diff --git a/.idea/.gitignore b/.idea/.gitignore index 13566b8..1c2fda5 100644 --- a/.idea/.gitignore +++ b/.idea/.gitignore @@ -1,8 +1,8 @@ -# Default ignored files -/shelf/ -/workspace.xml -# Editor-based HTTP Client requests -/httpRequests/ -# Datasource local storage ignored files -/dataSources/ -/dataSources.local.xml +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/AzerothCore.iml b/.idea/AzerothCore.iml index f099b8a..c55ab9e 100644 --- a/.idea/AzerothCore.iml +++ b/.idea/AzerothCore.iml @@ -1,21 +1,21 @@ - - - - - - - - - - - - - - + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml index 105ce2d..20fc29e 100644 --- a/.idea/inspectionProfiles/profiles_settings.xml +++ b/.idea/inspectionProfiles/profiles_settings.xml @@ -1,6 +1,6 @@ - - - + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml index cb50efa..a79fba8 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -1,7 +1,7 @@ - - - - - + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml index f4c9d75..93df4d1 100644 --- a/.idea/modules.xml +++ b/.idea/modules.xml @@ -1,8 +1,8 @@ - - - - - - - + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml index 35eb1dd..c8397c9 100644 --- a/.idea/vcs.xml +++ b/.idea/vcs.xml @@ -1,6 +1,6 @@ - - - - - + + + + + \ No newline at end of file diff --git a/README.md b/README.md index d76802c..0688ddb 100644 --- a/README.md +++ b/README.md @@ -1,88 +1,88 @@ -# AzerothCore Account Management - -This application allows users to create and manage accounts for the World of Warcraft: Wrath of the Lich King private server. It provides features such as account creation, password reset, and email notifications. - -## Features - -- **Account Creation**: Create new accounts with username, email, password, and expansion details. -- **Password Reset**: Reset account passwords through email verification. -- **Secure Communication**: Utilizes Gmail App Passwords for secure email communication. - -## Prerequisites - -- **Python 3.8+** -- **MySQL**: Database for storing user data -- **Gmail App Passwords**: For sending emails securely - -## Installation - -1. **Clone the repository:** - - ```bash - git clone https://github.com/BeardedInfoSec/AzerothCore-website.git - cd AzerothCore-website - ``` - -2. **Configure the application:** - - Ensure the `config.json` file in the root directory has the following structure and update it with your details: - - ```json - { - "USERNAME": "acore", - "PASSWORD": "password", - "SERVER_IP": "127.0.0.1", - "MYSQL_PORT": 3306, - "DATABASE": "acore_auth", - "SMTP_EMAIL_ADDRESS": "your_email@gmail.com", - "SMTP_EMAIL_PASSWORD": "your_app_password" - } - ``` - - **Note**: Ensure you create a [Gmail App Password](https://myaccount.google.com/apppasswords) and enable [2-Step Verification](https://support.google.com/accounts/answer/185833?hl=en) for your Google account. - -## Running the Application - -1. **Start the Flask application:** - - ```bash - python website.py - ``` - - The application will be available at `http://127.0.0.1:5000/`. - - **Note**: The SQLite database for password reset tokens will be auto-initialized when the website is run. - -## Configuration Notes - -### HTTP vs. HTTPS - -- **HTTP**: Sends web traffic in plain text, making it potentially vulnerable to interception and attacks. It is **not secure**. -- **HTTPS**: Encrypts web traffic, ensuring data is securely transmitted between the client and server. It is **recommended** for all web applications to protect sensitive data. - -To secure your application: - -- Open ports 80 (HTTP) and 443 (HTTPS) on your server. -- Configure your firewall to allow traffic on these ports and point to your server's IP address or domain. -- Obtain and install an SSL/TLS certificate to enable HTTPS. - -### Email Configuration - -- **Important**: The password reset functionality will not work without having the Gmail account configured, as it sends the reset link through email. - -## Security Best Practices - -- **Disable Debug Mode**: Ensure `debug=False` in your app configuration. -- **Use Environment Variables**: Store sensitive data in environment variables. -- **Enable HTTPS**: Secure your application with HTTPS. -- **Set Secure Headers**: Use libraries like `Flask-Talisman` to set secure headers. -- **Rate Limiting**: Implement rate limiting to protect against brute force attacks. -- **Input Validation**: Always validate and sanitize input data. - -## Contact - -For any issues or questions, please contact [thesoargoat@gmail.com]. - ---- - -This README provides comprehensive instructions for setting up and running your AzerothCore account management application securely. +# AzerothCore Account Management + +This application allows users to create and manage accounts for the World of Warcraft: Wrath of the Lich King private server. It provides features such as account creation, password reset, and email notifications. + +## Features + +- **Account Creation**: Create new accounts with username, email, password, and expansion details. +- **Password Reset**: Reset account passwords through email verification. +- **Secure Communication**: Utilizes Gmail App Passwords for secure email communication. + +## Prerequisites + +- **Python 3.8+** +- **MySQL**: Database for storing user data +- **Gmail App Passwords**: For sending emails securely + +## Installation + +1. **Clone the repository:** + + ```bash + git clone https://github.com/BeardedInfoSec/AzerothCore-website.git + cd AzerothCore-website + ``` + +2. **Configure the application:** + + Ensure the `config.json` file in the root directory has the following structure and update it with your details: + + ```json + { + "USERNAME": "acore", + "PASSWORD": "password", + "SERVER_IP": "127.0.0.1", + "MYSQL_PORT": 3306, + "DATABASE": "acore_auth", + "SMTP_EMAIL_ADDRESS": "your_email@gmail.com", + "SMTP_EMAIL_PASSWORD": "your_app_password" + } + ``` + + **Note**: Ensure you create a [Gmail App Password](https://myaccount.google.com/apppasswords) and enable [2-Step Verification](https://support.google.com/accounts/answer/185833?hl=en) for your Google account. + +## Running the Application + +1. **Start the Flask application:** + + ```bash + python website.py + ``` + + The application will be available at `http://127.0.0.1:5000/`. + + **Note**: The SQLite database for password reset tokens will be auto-initialized when the website is run. + +## Configuration Notes + +### HTTP vs. HTTPS + +- **HTTP**: Sends web traffic in plain text, making it potentially vulnerable to interception and attacks. It is **not secure**. +- **HTTPS**: Encrypts web traffic, ensuring data is securely transmitted between the client and server. It is **recommended** for all web applications to protect sensitive data. + +To secure your application: + +- Open ports 80 (HTTP) and 443 (HTTPS) on your server. +- Configure your firewall to allow traffic on these ports and point to your server's IP address or domain. +- Obtain and install an SSL/TLS certificate to enable HTTPS. + +### Email Configuration + +- **Important**: The password reset functionality will not work without having the Gmail account configured, as it sends the reset link through email. + +## Security Best Practices + +- **Disable Debug Mode**: Ensure `debug=False` in your app configuration. +- **Use Environment Variables**: Store sensitive data in environment variables. +- **Enable HTTPS**: Secure your application with HTTPS. +- **Set Secure Headers**: Use libraries like `Flask-Talisman` to set secure headers. +- **Rate Limiting**: Implement rate limiting to protect against brute force attacks. +- **Input Validation**: Always validate and sanitize input data. + +## Contact + +For any issues or questions, please contact [thesoargoat@gmail.com]. + +--- + +This README provides comprehensive instructions for setting up and running your AzerothCore account management application securely. diff --git a/__pycache__/website.cpython-312.pyc b/__pycache__/website.cpython-312.pyc new file mode 100644 index 0000000..2a92dda Binary files /dev/null and b/__pycache__/website.cpython-312.pyc differ diff --git a/config.json b/config.json index 9e49a50..2acc66b 100644 --- a/config.json +++ b/config.json @@ -1,10 +1,10 @@ -{ - "USERNAME" : "acore", - "PASSWORD" : "password", - "SERVER_IP" : "127.0.0.1", - "MYSQL_PORT" : 3306, - "DATABASE" : "acore_auth", - "SMTP_EMAIL_ADDRESS" : "gmail_address", - "SMTP_EMAIL_PASSWORD" : "gmail_app_password" - +{ + "USERNAME" : "acore", + "PASSWORD" : "acore", + "SERVER_IP" : "127.0.0.1", + "MYSQL_PORT" : 3306, + "DATABASE" : "acore_auth", + "SMTP_EMAIL_ADDRESS" : "email_address", + "SMTP_EMAIL_PASSWORD" : "email_app_password" + } \ No newline at end of file diff --git a/requirements.txt b/requirements.txt index c6507cf..2fcea01 100644 --- a/requirements.txt +++ b/requirements.txt @@ -1,7 +1,7 @@ -Flask==2.3.3 -mysql-connector-python==8.1.0 -email-validator==2.0.0.post2 -requests==2.31.0 -Jinja2==3.1.2 -itsdangerous==2.1.2 -cryptography==41.0.2 +Flask==2.3.3 +mysql-connector-python==8.1.0 +email-validator==2.0.0.post2 +requests==2.31.0 +Jinja2==3.1.2 +itsdangerous==2.1.2 +cryptography==41.0.2 diff --git a/restart_website.sh b/restart_website.sh new file mode 100644 index 0000000..54f43d8 --- /dev/null +++ b/restart_website.sh @@ -0,0 +1,4 @@ +#!/bin/bash + +# Restart the website systemd service +sudo systemctl restart website.service diff --git a/scripts/__pycache__/createAccount.cpython-310.pyc b/scripts/__pycache__/createAccount.cpython-310.pyc index 223dc78..cc3e618 100644 Binary files a/scripts/__pycache__/createAccount.cpython-310.pyc and b/scripts/__pycache__/createAccount.cpython-310.pyc differ diff --git a/scripts/__pycache__/createAccount.cpython-312.pyc b/scripts/__pycache__/createAccount.cpython-312.pyc new file mode 100644 index 0000000..aee3220 Binary files /dev/null and b/scripts/__pycache__/createAccount.cpython-312.pyc differ diff --git a/scripts/__pycache__/initialize_db.cpython-310.pyc b/scripts/__pycache__/initialize_db.cpython-310.pyc index cb6b41e..435867a 100644 Binary files a/scripts/__pycache__/initialize_db.cpython-310.pyc and b/scripts/__pycache__/initialize_db.cpython-310.pyc differ diff --git a/scripts/__pycache__/initialize_db.cpython-312.pyc b/scripts/__pycache__/initialize_db.cpython-312.pyc new file mode 100644 index 0000000..4bd3c41 Binary files /dev/null and b/scripts/__pycache__/initialize_db.cpython-312.pyc differ diff --git a/scripts/createAccount.py b/scripts/createAccount.py index 9d33345..e3ac817 100644 --- a/scripts/createAccount.py +++ b/scripts/createAccount.py @@ -1,85 +1,85 @@ -import mysql.connector -import hashlib -import os -import json -from pathlib import Path - -def sha1(data): - return hashlib.sha1(data).digest() - -def generate_salt(): - return os.urandom(32) - -def calculate_verifier(username, password, salt): - g = 7 - N = int("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7", 16) - - username = username.upper() - password = password.upper() - - h1 = sha1(f"{username}:{password}".encode()) - h2 = sha1(salt + h1) - - h2_int = int.from_bytes(h2, 'little') - verifier_int = pow(g, h2_int, N) - - verifier = verifier_int.to_bytes((verifier_int.bit_length() + 7) // 8, 'little') - return verifier - -def create_account(account_name, email, passwd1, passwd2, expansion): - if passwd1 != passwd2: - return "Passwords do not match." - - script_dir = Path(__file__).resolve().parent - config_path = script_dir / "../config.json" - - with open(config_path) as config_file: - config = json.load(config_file) - - USERNAME = config["USERNAME"] - PASSWORD = config["PASSWORD"] - SERVER_IP = config["SERVER_IP"] - PORT = config["MYSQL_PORT"] - DATABASE = config["DATABASE"] - - conn = None - cursor = None - - try: - conn = mysql.connector.connect( - host=SERVER_IP, - user=USERNAME, - password=PASSWORD, - database=DATABASE, - port=PORT - ) - cursor = conn.cursor() - - # Check if the username already exists - cursor.execute("SELECT id FROM account WHERE username = %s", (account_name,)) - if cursor.fetchone(): - return "Username already taken." - - cursor.execute("SELECT MAX(id) FROM account") - max_id = cursor.fetchone()[0] - new_id = max_id + 1 if max_id else 1 - - salt = generate_salt() - verifier = calculate_verifier(account_name, passwd1, salt) - - cursor.execute( - "INSERT INTO account (id, username, salt, verifier, email) VALUES (%s, %s, %s, %s, %s)", - (new_id, account_name, salt, verifier, email) - ) - conn.commit() - - return "Account created successfully!" - - except mysql.connector.Error as err: - return f"Error: {err}" - - finally: - if cursor is not None: - cursor.close() - if conn is not None: - conn.close() +import mysql.connector +import hashlib +import os +import json +from pathlib import Path + +def sha1(data): + return hashlib.sha1(data).digest() + +def generate_salt(): + return os.urandom(32) + +def calculate_verifier(username, password, salt): + g = 7 + N = int("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7", 16) + + username = username.upper() + password = password.upper() + + h1 = sha1(f"{username}:{password}".encode()) + h2 = sha1(salt + h1) + + h2_int = int.from_bytes(h2, 'little') + verifier_int = pow(g, h2_int, N) + + verifier = verifier_int.to_bytes((verifier_int.bit_length() + 7) // 8, 'little') + return verifier + +def create_account(account_name, email, passwd1, passwd2, expansion): + if passwd1 != passwd2: + return "Passwords do not match." + + script_dir = Path(__file__).resolve().parent + config_path = script_dir / "../config.json" + + with open(config_path) as config_file: + config = json.load(config_file) + + USERNAME = config["USERNAME"] + PASSWORD = config["PASSWORD"] + SERVER_IP = config["SERVER_IP"] + PORT = config["MYSQL_PORT"] + DATABASE = config["DATABASE"] + + conn = None + cursor = None + + try: + conn = mysql.connector.connect( + host=SERVER_IP, + user=USERNAME, + password=PASSWORD, + database=DATABASE, + port=PORT + ) + cursor = conn.cursor() + + # Check if the username already exists + cursor.execute("SELECT id FROM account WHERE username = %s", (account_name,)) + if cursor.fetchone(): + return "Username already taken." + + cursor.execute("SELECT MAX(id) FROM account") + max_id = cursor.fetchone()[0] + new_id = max_id + 1 if max_id else 1 + + salt = generate_salt() + verifier = calculate_verifier(account_name, passwd1, salt) + + cursor.execute( + "INSERT INTO account (id, username, salt, verifier, email) VALUES (%s, %s, %s, %s, %s)", + (new_id, account_name, salt, verifier, email) + ) + conn.commit() + + return "Account created successfully!" + + except mysql.connector.Error as err: + return f"Error: {err}" + + finally: + if cursor is not None: + cursor.close() + if conn is not None: + conn.close() diff --git a/scripts/initialize_db.py b/scripts/initialize_db.py index 1a71f8e..18c2fdb 100644 --- a/scripts/initialize_db.py +++ b/scripts/initialize_db.py @@ -1,17 +1,17 @@ -import sqlite3 - -def initialize_db(): - conn = sqlite3.connect('tokens.db') - cursor = conn.cursor() - - cursor.execute(''' - CREATE TABLE IF NOT EXISTS password_reset_tokens ( - id INTEGER PRIMARY KEY AUTOINCREMENT, - email TEXT NOT NULL, - token TEXT NOT NULL, - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP - ) - ''') - - conn.commit() - conn.close() +import sqlite3 + +def initialize_db(): + conn = sqlite3.connect('tokens.db') + cursor = conn.cursor() + + cursor.execute(''' + CREATE TABLE IF NOT EXISTS password_reset_tokens ( + id INTEGER PRIMARY KEY AUTOINCREMENT, + email TEXT NOT NULL, + token TEXT NOT NULL, + created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP + ) + ''') + + conn.commit() + conn.close() diff --git a/scripts/resetPassword.py b/scripts/resetPassword.py index 0ca1496..b5a12ad 100644 --- a/scripts/resetPassword.py +++ b/scripts/resetPassword.py @@ -1,212 +1,212 @@ -import mysql.connector -import hashlib -import os -import json -import smtplib -from email.mime.text import MIMEText -from email.mime.multipart import MIMEMultipart -from flask import Flask, request, render_template, jsonify, url_for - -app = Flask(__name__) - -def get_db_connection(): - script_dir = Path(__file__).resolve().parent - config_path = script_dir / "../config.json" - - with open(config_path) as config_file: - config = json.load(config_file) - - return mysql.connector.connect( - host=config["SERVER_IP"], - user=config["USERNAME"], - password=config["PASSWORD"], - database=config["DATABASE"], - port=config["MYSQL_PORT"] - ) - -def get_config(): - script_dir = Path(__file__).resolve().parent - config_path = script_dir / "../config.json" - - with open(config_path) as config_file: - return json.load(config_file) - -@app.route('/resetpassword') -def reset_password(): - return render_template('resetpassword.html') - -@app.route('/reset_password', methods=['POST']) -def handle_reset_password(): - data = request.json - email = data.get('email') - - if not email: - return jsonify({'success': False, 'message': 'Email is required.'}), 400 - - conn = get_db_connection() - cursor = conn.cursor(dictionary=True) - - try: - cursor.execute("SELECT id FROM account WHERE email = %s", (email,)) - account = cursor.fetchone() - - if not account: - return jsonify({'success': False, 'message': 'Email not found.'}), 404 - - token = os.urandom(24).hex() - - cursor.execute( - "INSERT INTO password_reset_tokens (account_id, token) VALUES (%s, %s)", - (account['id'], token) - ) - conn.commit() - - reset_link = url_for('reset_password_token', token=token, _external=True) - disable_link = url_for('disable_token', token=token, email=email, _external=True) - - send_email(email, reset_link, disable_link, 'Azerothcore Password Reset Request') - - return jsonify({'success': True, 'message': 'Password reset link has been sent to your email.'}) - - except mysql.connector.Error as err: - return jsonify({'success': False, 'message': str(err)}), 500 - - finally: - cursor.close() - conn.close() - -def send_email(to_email, reset_link, disable_link, subject): - config = get_config() - from_email = config["SMTP_EMAIL_ADDRESS"] - from_password = config["SMTP_EMAIL_PASSWORD"] - - msg = MIMEMultipart('alternative') - msg['From'] = from_email - msg['To'] = to_email - msg['Subject'] = subject - - text_content = f'Click the link to reset your password: {reset_link}' - html_content = f""" - - -
-

Password Reset Request

-

Click the button below to reset your password:

- Reset Password -

If you did not request this email, click the button below to disable the token:

- Disable Token -

If you have any questions, feel free to contact our support team.

-
- - - """ - - part1 = MIMEText(text_content, 'plain') - part2 = MIMEText(html_content, 'html') - - msg.attach(part1) - msg.attach(part2) - - try: - with smtplib.SMTP('smtp.gmail.com', 587) as server: - server.starttls() - server.login(from_email, from_password) - server.sendmail(from_email, to_email, msg.as_string()) - return True - except Exception as e: - print(f"Failed to send email: {e}") - return False - -@app.route('/disable_token', methods=['GET']) -def disable_token(): - token = request.args.get('token') - email = request.args.get('email') - - if not token or not email: - return jsonify({'message': 'Invalid request.'}), 400 - - conn = get_db_connection() - cursor = conn.cursor() - - try: - cursor.execute("DELETE FROM password_reset_tokens WHERE token = %s AND email = %s", (token, email)) - conn.commit() - - if cursor.rowcount == 0: - return jsonify({'message': 'Token not found or already disabled.'}), 404 - - return jsonify({'message': 'Token disabled successfully.'}), 200 - - except mysql.connector.Error as err: - return jsonify({'message': str(err)}), 500 - - finally: - cursor.close() - conn.close() - -@app.route('/reset_password/', methods=['GET', 'POST']) -def reset_password_token(token): - if request.method == 'POST': - data = request.form - password = data.get('password') - confirm_password = data.get('confirm_password') - - if not password or not confirm_password: - return render_template('resetpassword.html', message='All fields are required.') - - if password != confirm_password: - return render_template('resetpassword.html', message='Passwords do not match.') - - conn = get_db_connection() - cursor = conn.cursor() - - try: - cursor.execute("SELECT account_id FROM password_reset_tokens WHERE token = %s", (token,)) - result = cursor.fetchone() - - if not result: - return render_template('resetpassword.html', message='Invalid or expired token.') - - account_id = result[0] - salt = os.urandom(32) - verifier = calculate_verifier("USERNAME", password, salt) # Update USERNAME appropriately - - cursor.execute( - "UPDATE account SET salt = %s, verifier = %s WHERE id = %s", - (salt, verifier, account_id) - ) - conn.commit() - - cursor.execute("DELETE FROM password_reset_tokens WHERE token = %s", (token,)) - conn.commit() - - return redirect(url_for('success')) - - finally: - cursor.close() - conn.close() - - return render_template('resetpassword.html') - -@app.route('/success') -def success(): - return render_template('success.html') - -def calculate_verifier(username, password, salt): - g = 7 - N = int("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7", 16) - - username = username.upper() - password = password.upper() - - h1 = hashlib.sha1(f"{username}:{password}".encode()).digest() - h2 = hashlib.sha1(salt + h1).digest() - - h2_int = int.from_bytes(h2, 'little') - verifier_int = pow(g, h2_int, N) - - verifier = verifier_int.to_bytes((verifier_int.bit_length() + 7) // 8, 'little') - return verifier - -if __name__ == '__main__': - app.run(debug=True) +import mysql.connector +import hashlib +import os +import json +import smtplib +from email.mime.text import MIMEText +from email.mime.multipart import MIMEMultipart +from flask import Flask, request, render_template, jsonify, url_for + +app = Flask(__name__) + +def get_db_connection(): + script_dir = Path(__file__).resolve().parent + config_path = script_dir / "../config.json" + + with open(config_path) as config_file: + config = json.load(config_file) + + return mysql.connector.connect( + host=config["SERVER_IP"], + user=config["USERNAME"], + password=config["PASSWORD"], + database=config["DATABASE"], + port=config["MYSQL_PORT"] + ) + +def get_config(): + script_dir = Path(__file__).resolve().parent + config_path = script_dir / "../config.json" + + with open(config_path) as config_file: + return json.load(config_file) + +@app.route('/resetpassword') +def reset_password(): + return render_template('resetpassword.html') + +@app.route('/reset_password', methods=['POST']) +def handle_reset_password(): + data = request.json + email = data.get('email') + + if not email: + return jsonify({'success': False, 'message': 'Email is required.'}), 400 + + conn = get_db_connection() + cursor = conn.cursor(dictionary=True) + + try: + cursor.execute("SELECT id FROM account WHERE email = %s", (email,)) + account = cursor.fetchone() + + if not account: + return jsonify({'success': False, 'message': 'Email not found.'}), 404 + + token = os.urandom(24).hex() + + cursor.execute( + "INSERT INTO password_reset_tokens (account_id, token) VALUES (%s, %s)", + (account['id'], token) + ) + conn.commit() + + reset_link = url_for('reset_password_token', token=token, _external=True) + disable_link = url_for('disable_token', token=token, email=email, _external=True) + + send_email(email, reset_link, disable_link, 'Azerothcore Password Reset Request') + + return jsonify({'success': True, 'message': 'Password reset link has been sent to your email.'}) + + except mysql.connector.Error as err: + return jsonify({'success': False, 'message': str(err)}), 500 + + finally: + cursor.close() + conn.close() + +def send_email(to_email, reset_link, disable_link, subject): + config = get_config() + from_email = config["SMTP_EMAIL_ADDRESS"] + from_password = config["SMTP_EMAIL_PASSWORD"] + + msg = MIMEMultipart('alternative') + msg['From'] = from_email + msg['To'] = to_email + msg['Subject'] = subject + + text_content = f'Click the link to reset your password: {reset_link}' + html_content = f""" + + +
+

Password Reset Request

+

Click the button below to reset your password:

+ Reset Password +

If you did not request this email, click the button below to disable the token:

+ Disable Token +

If you have any questions, feel free to contact our support team.

+
+ + + """ + + part1 = MIMEText(text_content, 'plain') + part2 = MIMEText(html_content, 'html') + + msg.attach(part1) + msg.attach(part2) + + try: + with smtplib.SMTP('smtp.gmail.com', 587) as server: + server.starttls() + server.login(from_email, from_password) + server.sendmail(from_email, to_email, msg.as_string()) + return True + except Exception as e: + print(f"Failed to send email: {e}") + return False + +@app.route('/disable_token', methods=['GET']) +def disable_token(): + token = request.args.get('token') + email = request.args.get('email') + + if not token or not email: + return jsonify({'message': 'Invalid request.'}), 400 + + conn = get_db_connection() + cursor = conn.cursor() + + try: + cursor.execute("DELETE FROM password_reset_tokens WHERE token = %s AND email = %s", (token, email)) + conn.commit() + + if cursor.rowcount == 0: + return jsonify({'message': 'Token not found or already disabled.'}), 404 + + return jsonify({'message': 'Token disabled successfully.'}), 200 + + except mysql.connector.Error as err: + return jsonify({'message': str(err)}), 500 + + finally: + cursor.close() + conn.close() + +@app.route('/reset_password/', methods=['GET', 'POST']) +def reset_password_token(token): + if request.method == 'POST': + data = request.form + password = data.get('password') + confirm_password = data.get('confirm_password') + + if not password or not confirm_password: + return render_template('resetpassword.html', message='All fields are required.') + + if password != confirm_password: + return render_template('resetpassword.html', message='Passwords do not match.') + + conn = get_db_connection() + cursor = conn.cursor() + + try: + cursor.execute("SELECT account_id FROM password_reset_tokens WHERE token = %s", (token,)) + result = cursor.fetchone() + + if not result: + return render_template('resetpassword.html', message='Invalid or expired token.') + + account_id = result[0] + salt = os.urandom(32) + verifier = calculate_verifier("USERNAME", password, salt) # Update USERNAME appropriately + + cursor.execute( + "UPDATE account SET salt = %s, verifier = %s WHERE id = %s", + (salt, verifier, account_id) + ) + conn.commit() + + cursor.execute("DELETE FROM password_reset_tokens WHERE token = %s", (token,)) + conn.commit() + + return redirect(url_for('success')) + + finally: + cursor.close() + conn.close() + + return render_template('resetpassword.html') + +@app.route('/success') +def success(): + return render_template('success.html') + +def calculate_verifier(username, password, salt): + g = 7 + N = int("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7", 16) + + username = username.upper() + password = password.upper() + + h1 = hashlib.sha1(f"{username}:{password}".encode()).digest() + h2 = hashlib.sha1(salt + h1).digest() + + h2_int = int.from_bytes(h2, 'little') + verifier_int = pow(g, h2_int, N) + + verifier = verifier_int.to_bytes((verifier_int.bit_length() + 7) // 8, 'little') + return verifier + +if __name__ == '__main__': + app.run(debug=True) diff --git a/start_virtualenv.sh b/start_virtualenv.sh new file mode 100644 index 0000000..772fd55 --- /dev/null +++ b/start_virtualenv.sh @@ -0,0 +1,7 @@ +#!/bin/bash + +# Navigate to the project directory +cd /home/wotlk_webserver/AzerothCore-website + +# Activate the virtual environment +source venv/bin/activate diff --git a/start_website.sh b/start_website.sh new file mode 100644 index 0000000..4dad0b5 --- /dev/null +++ b/start_website.sh @@ -0,0 +1,13 @@ +#!/bin/bash + +# Navigate to the project directory +cd /home/wotlk_webserver/AzerothCore-website + +# Activate the virtual environment +source venv/bin/activate + +# Run the Flask app +python3 website.py + +# Deactivate the virtual environment when done +deactivate diff --git a/static/style.css b/static/style.css index ac7407e..240f4c8 100644 --- a/static/style.css +++ b/static/style.css @@ -1,48 +1,48 @@ -.form { - display: flex; - flex-direction: column; - gap: 15px; - padding: 20px; -} - -.input-field { - display: flex; - flex-direction: column; - gap: 5px; -} - -.input-field input,.input-field select { - padding: 10px; - font-size: 1rem; - border-radius: 5px; - border: 1px solid #ced4da; - width: 100%; -} - -.input-field label { - font-size: 1rem; - margin-bottom: 5px; -} - -.btn-container { - display: flex; - justify-content: center; - margin-top: 20px; -} - -.btn { - padding: 10px 20px; - font-size: 1rem; - text-transform: uppercase; - font-weight: bold; - color: white; - background-color: #007bff; - border: none; - border-radius: 5px; - cursor: pointer; - transition: background-color 0.3s ease; -} - -.btn:hover { - background-color: #0056b3; +.form { + display: flex; + flex-direction: column; + gap: 15px; + padding: 20px; +} + +.input-field { + display: flex; + flex-direction: column; + gap: 5px; +} + +.input-field input,.input-field select { + padding: 10px; + font-size: 1rem; + border-radius: 5px; + border: 1px solid #ced4da; + width: 100%; +} + +.input-field label { + font-size: 1rem; + margin-bottom: 5px; +} + +.btn-container { + display: flex; + justify-content: center; + margin-top: 20px; +} + +.btn { + padding: 10px 20px; + font-size: 1rem; + text-transform: uppercase; + font-weight: bold; + color: white; + background-color: #007bff; + border: none; + border-radius: 5px; + cursor: pointer; + transition: background-color 0.3s ease; +} + +.btn:hover { + background-color: #0056b3; } \ No newline at end of file diff --git a/templates/accountcreation.html b/templates/accountcreation.html index fa95ab5..47005b2 100644 --- a/templates/accountcreation.html +++ b/templates/accountcreation.html @@ -1,80 +1,80 @@ -{% extends "base.html" %} - -{% block content %} -
-
Create Account
-
-
- - -
-
- - -
-
- - -
-
- - -
-
- - -
-
- -
-
-

-
- -{% endblock %} +{% extends "base.html" %} + +{% block content %} +
+
Create Account
+
+
+ + +
+
+ + +
+
+ + +
+
+ + +
+
+ + +
+
+ +
+
+

+
+ +{% endblock %} diff --git a/templates/base.html b/templates/base.html index af35740..85bb886 100644 --- a/templates/base.html +++ b/templates/base.html @@ -102,6 +102,8 @@ diff --git a/templates/newpassword.html b/templates/newpassword.html index 62cfd84..54f0c30 100644 --- a/templates/newpassword.html +++ b/templates/newpassword.html @@ -1,84 +1,84 @@ -{% extends "base.html" %} - -{% block content %} -
-
Set New Password
-
- - -
- - -
-
- - -
-
-
- -
-
-

-
- -{% endblock %} +{% extends "base.html" %} + +{% block content %} +
+
Set New Password
+
+ + +
+ + +
+
+ + +
+
+
+ +
+
+

+
+ +{% endblock %} diff --git a/templates/resetpassword.html b/templates/resetpassword.html index 646f687..698d75e 100644 --- a/templates/resetpassword.html +++ b/templates/resetpassword.html @@ -1,39 +1,39 @@ -{% extends "base.html" %} - -{% block content %} -
-
Reset Password
-
-
- - -
-
- -
-
-

-
- -{% endblock %} +{% extends "base.html" %} + +{% block content %} +
+
Reset Password
+
+
+ + +
+
+ +
+
+

+
+ +{% endblock %} diff --git a/templates/success.html b/templates/success.html index fa2b0bc..3f8e509 100644 --- a/templates/success.html +++ b/templates/success.html @@ -1,9 +1,9 @@ -{% extends "base.html" %} - -{% block content %} -
-
Success
-

Your password has been updated successfully!

- Return to Home -
-{% endblock %} +{% extends "base.html" %} + +{% block content %} +
+
Success
+

Your password has been updated successfully!

+ Return to Home +
+{% endblock %} diff --git a/venv/bin/Activate.ps1 b/venv/bin/Activate.ps1 new file mode 100644 index 0000000..b49d77b --- /dev/null +++ b/venv/bin/Activate.ps1 @@ -0,0 +1,247 @@ +<# +.Synopsis +Activate a Python virtual environment for the current PowerShell session. + +.Description +Pushes the python executable for a virtual environment to the front of the +$Env:PATH environment variable and sets the prompt to signify that you are +in a Python virtual environment. Makes use of the command line switches as +well as the `pyvenv.cfg` file values present in the virtual environment. + +.Parameter VenvDir +Path to the directory that contains the virtual environment to activate. The +default value for this is the parent of the directory that the Activate.ps1 +script is located within. + +.Parameter Prompt +The prompt prefix to display when this virtual environment is activated. By +default, this prompt is the name of the virtual environment folder (VenvDir) +surrounded by parentheses and followed by a single space (ie. '(.venv) '). + +.Example +Activate.ps1 +Activates the Python virtual environment that contains the Activate.ps1 script. + +.Example +Activate.ps1 -Verbose +Activates the Python virtual environment that contains the Activate.ps1 script, +and shows extra information about the activation as it executes. + +.Example +Activate.ps1 -VenvDir C:\Users\MyUser\Common\.venv +Activates the Python virtual environment located in the specified location. + +.Example +Activate.ps1 -Prompt "MyPython" +Activates the Python virtual environment that contains the Activate.ps1 script, +and prefixes the current prompt with the specified string (surrounded in +parentheses) while the virtual environment is active. + +.Notes +On Windows, it may be required to enable this Activate.ps1 script by setting the +execution policy for the user. You can do this by issuing the following PowerShell +command: + +PS C:\> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser + +For more information on Execution Policies: +https://go.microsoft.com/fwlink/?LinkID=135170 + +#> +Param( + [Parameter(Mandatory = $false)] + [String] + $VenvDir, + [Parameter(Mandatory = $false)] + [String] + $Prompt +) + +<# Function declarations --------------------------------------------------- #> + +<# +.Synopsis +Remove all shell session elements added by the Activate script, including the +addition of the virtual environment's Python executable from the beginning of +the PATH variable. + +.Parameter NonDestructive +If present, do not remove this function from the global namespace for the +session. + +#> +function global:deactivate ([switch]$NonDestructive) { + # Revert to original values + + # The prior prompt: + if (Test-Path -Path Function:_OLD_VIRTUAL_PROMPT) { + Copy-Item -Path Function:_OLD_VIRTUAL_PROMPT -Destination Function:prompt + Remove-Item -Path Function:_OLD_VIRTUAL_PROMPT + } + + # The prior PYTHONHOME: + if (Test-Path -Path Env:_OLD_VIRTUAL_PYTHONHOME) { + Copy-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME -Destination Env:PYTHONHOME + Remove-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME + } + + # The prior PATH: + if (Test-Path -Path Env:_OLD_VIRTUAL_PATH) { + Copy-Item -Path Env:_OLD_VIRTUAL_PATH -Destination Env:PATH + Remove-Item -Path Env:_OLD_VIRTUAL_PATH + } + + # Just remove the VIRTUAL_ENV altogether: + if (Test-Path -Path Env:VIRTUAL_ENV) { + Remove-Item -Path env:VIRTUAL_ENV + } + + # Just remove VIRTUAL_ENV_PROMPT altogether. + if (Test-Path -Path Env:VIRTUAL_ENV_PROMPT) { + Remove-Item -Path env:VIRTUAL_ENV_PROMPT + } + + # Just remove the _PYTHON_VENV_PROMPT_PREFIX altogether: + if (Get-Variable -Name "_PYTHON_VENV_PROMPT_PREFIX" -ErrorAction SilentlyContinue) { + Remove-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Scope Global -Force + } + + # Leave deactivate function in the global namespace if requested: + if (-not $NonDestructive) { + Remove-Item -Path function:deactivate + } +} + +<# +.Description +Get-PyVenvConfig parses the values from the pyvenv.cfg file located in the +given folder, and returns them in a map. + +For each line in the pyvenv.cfg file, if that line can be parsed into exactly +two strings separated by `=` (with any amount of whitespace surrounding the =) +then it is considered a `key = value` line. The left hand string is the key, +the right hand is the value. + +If the value starts with a `'` or a `"` then the first and last character is +stripped from the value before being captured. + +.Parameter ConfigDir +Path to the directory that contains the `pyvenv.cfg` file. +#> +function Get-PyVenvConfig( + [String] + $ConfigDir +) { + Write-Verbose "Given ConfigDir=$ConfigDir, obtain values in pyvenv.cfg" + + # Ensure the file exists, and issue a warning if it doesn't (but still allow the function to continue). + $pyvenvConfigPath = Join-Path -Resolve -Path $ConfigDir -ChildPath 'pyvenv.cfg' -ErrorAction Continue + + # An empty map will be returned if no config file is found. + $pyvenvConfig = @{ } + + if ($pyvenvConfigPath) { + + Write-Verbose "File exists, parse `key = value` lines" + $pyvenvConfigContent = Get-Content -Path $pyvenvConfigPath + + $pyvenvConfigContent | ForEach-Object { + $keyval = $PSItem -split "\s*=\s*", 2 + if ($keyval[0] -and $keyval[1]) { + $val = $keyval[1] + + # Remove extraneous quotations around a string value. + if ("'""".Contains($val.Substring(0, 1))) { + $val = $val.Substring(1, $val.Length - 2) + } + + $pyvenvConfig[$keyval[0]] = $val + Write-Verbose "Adding Key: '$($keyval[0])'='$val'" + } + } + } + return $pyvenvConfig +} + + +<# Begin Activate script --------------------------------------------------- #> + +# Determine the containing directory of this script +$VenvExecPath = Split-Path -Parent $MyInvocation.MyCommand.Definition +$VenvExecDir = Get-Item -Path $VenvExecPath + +Write-Verbose "Activation script is located in path: '$VenvExecPath'" +Write-Verbose "VenvExecDir Fullname: '$($VenvExecDir.FullName)" +Write-Verbose "VenvExecDir Name: '$($VenvExecDir.Name)" + +# Set values required in priority: CmdLine, ConfigFile, Default +# First, get the location of the virtual environment, it might not be +# VenvExecDir if specified on the command line. +if ($VenvDir) { + Write-Verbose "VenvDir given as parameter, using '$VenvDir' to determine values" +} +else { + Write-Verbose "VenvDir not given as a parameter, using parent directory name as VenvDir." + $VenvDir = $VenvExecDir.Parent.FullName.TrimEnd("\\/") + Write-Verbose "VenvDir=$VenvDir" +} + +# Next, read the `pyvenv.cfg` file to determine any required value such +# as `prompt`. +$pyvenvCfg = Get-PyVenvConfig -ConfigDir $VenvDir + +# Next, set the prompt from the command line, or the config file, or +# just use the name of the virtual environment folder. +if ($Prompt) { + Write-Verbose "Prompt specified as argument, using '$Prompt'" +} +else { + Write-Verbose "Prompt not specified as argument to script, checking pyvenv.cfg value" + if ($pyvenvCfg -and $pyvenvCfg['prompt']) { + Write-Verbose " Setting based on value in pyvenv.cfg='$($pyvenvCfg['prompt'])'" + $Prompt = $pyvenvCfg['prompt']; + } + else { + Write-Verbose " Setting prompt based on parent's directory's name. (Is the directory name passed to venv module when creating the virtual environment)" + Write-Verbose " Got leaf-name of $VenvDir='$(Split-Path -Path $venvDir -Leaf)'" + $Prompt = Split-Path -Path $venvDir -Leaf + } +} + +Write-Verbose "Prompt = '$Prompt'" +Write-Verbose "VenvDir='$VenvDir'" + +# Deactivate any currently active virtual environment, but leave the +# deactivate function in place. +deactivate -nondestructive + +# Now set the environment variable VIRTUAL_ENV, used by many tools to determine +# that there is an activated venv. +$env:VIRTUAL_ENV = $VenvDir + +if (-not $Env:VIRTUAL_ENV_DISABLE_PROMPT) { + + Write-Verbose "Setting prompt to '$Prompt'" + + # Set the prompt to include the env name + # Make sure _OLD_VIRTUAL_PROMPT is global + function global:_OLD_VIRTUAL_PROMPT { "" } + Copy-Item -Path function:prompt -Destination function:_OLD_VIRTUAL_PROMPT + New-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Description "Python virtual environment prompt prefix" -Scope Global -Option ReadOnly -Visibility Public -Value $Prompt + + function global:prompt { + Write-Host -NoNewline -ForegroundColor Green "($_PYTHON_VENV_PROMPT_PREFIX) " + _OLD_VIRTUAL_PROMPT + } + $env:VIRTUAL_ENV_PROMPT = $Prompt +} + +# Clear PYTHONHOME +if (Test-Path -Path Env:PYTHONHOME) { + Copy-Item -Path Env:PYTHONHOME -Destination Env:_OLD_VIRTUAL_PYTHONHOME + Remove-Item -Path Env:PYTHONHOME +} + +# Add the venv to the PATH +Copy-Item -Path Env:PATH -Destination Env:_OLD_VIRTUAL_PATH +$Env:PATH = "$VenvExecDir$([System.IO.Path]::PathSeparator)$Env:PATH" diff --git a/venv/bin/activate b/venv/bin/activate new file mode 100644 index 0000000..e8a6049 --- /dev/null +++ b/venv/bin/activate @@ -0,0 +1,70 @@ +# This file must be used with "source bin/activate" *from bash* +# You cannot run it directly + +deactivate () { + # reset old environment variables + if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then + PATH="${_OLD_VIRTUAL_PATH:-}" + export PATH + unset _OLD_VIRTUAL_PATH + fi + if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then + PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}" + export PYTHONHOME + unset _OLD_VIRTUAL_PYTHONHOME + fi + + # Call hash to forget past commands. Without forgetting + # past commands the $PATH changes we made may not be respected + hash -r 2> /dev/null + + if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then + PS1="${_OLD_VIRTUAL_PS1:-}" + export PS1 + unset _OLD_VIRTUAL_PS1 + fi + + unset VIRTUAL_ENV + unset VIRTUAL_ENV_PROMPT + if [ ! "${1:-}" = "nondestructive" ] ; then + # Self destruct! + unset -f deactivate + fi +} + +# unset irrelevant variables +deactivate nondestructive + +# on Windows, a path can contain colons and backslashes and has to be converted: +if [ "${OSTYPE:-}" = "cygwin" ] || [ "${OSTYPE:-}" = "msys" ] ; then + # transform D:\path\to\venv to /d/path/to/venv on MSYS + # and to /cygdrive/d/path/to/venv on Cygwin + export VIRTUAL_ENV=$(cygpath "/home/wotlk_webserver/AzerothCore-website/venv") +else + # use the path as-is + export VIRTUAL_ENV="/home/wotlk_webserver/AzerothCore-website/venv" +fi + +_OLD_VIRTUAL_PATH="$PATH" +PATH="$VIRTUAL_ENV/bin:$PATH" +export PATH + +# unset PYTHONHOME if set +# this will fail if PYTHONHOME is set to the empty string (which is bad anyway) +# could use `if (set -u; : $PYTHONHOME) ;` in bash +if [ -n "${PYTHONHOME:-}" ] ; then + _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}" + unset PYTHONHOME +fi + +if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then + _OLD_VIRTUAL_PS1="${PS1:-}" + PS1="(venv) ${PS1:-}" + export PS1 + VIRTUAL_ENV_PROMPT="(venv) " + export VIRTUAL_ENV_PROMPT +fi + +# Call hash to forget past commands. Without forgetting +# past commands the $PATH changes we made may not be respected +hash -r 2> /dev/null diff --git a/venv/bin/activate.csh b/venv/bin/activate.csh new file mode 100644 index 0000000..9c53a13 --- /dev/null +++ b/venv/bin/activate.csh @@ -0,0 +1,27 @@ +# This file must be used with "source bin/activate.csh" *from csh*. +# You cannot run it directly. + +# Created by Davide Di Blasi . +# Ported to Python 3.3 venv by Andrew Svetlov + +alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; unsetenv VIRTUAL_ENV_PROMPT; test "\!:*" != "nondestructive" && unalias deactivate' + +# Unset irrelevant variables. +deactivate nondestructive + +setenv VIRTUAL_ENV "/home/wotlk_webserver/AzerothCore-website/venv" + +set _OLD_VIRTUAL_PATH="$PATH" +setenv PATH "$VIRTUAL_ENV/bin:$PATH" + + +set _OLD_VIRTUAL_PROMPT="$prompt" + +if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then + set prompt = "(venv) $prompt" + setenv VIRTUAL_ENV_PROMPT "(venv) " +endif + +alias pydoc python -m pydoc + +rehash diff --git a/venv/bin/activate.fish b/venv/bin/activate.fish new file mode 100644 index 0000000..18d67d9 --- /dev/null +++ b/venv/bin/activate.fish @@ -0,0 +1,69 @@ +# This file must be used with "source /bin/activate.fish" *from fish* +# (https://fishshell.com/). You cannot run it directly. + +function deactivate -d "Exit virtual environment and return to normal shell environment" + # reset old environment variables + if test -n "$_OLD_VIRTUAL_PATH" + set -gx PATH $_OLD_VIRTUAL_PATH + set -e _OLD_VIRTUAL_PATH + end + if test -n "$_OLD_VIRTUAL_PYTHONHOME" + set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME + set -e _OLD_VIRTUAL_PYTHONHOME + end + + if test -n "$_OLD_FISH_PROMPT_OVERRIDE" + set -e _OLD_FISH_PROMPT_OVERRIDE + # prevents error when using nested fish instances (Issue #93858) + if functions -q _old_fish_prompt + functions -e fish_prompt + functions -c _old_fish_prompt fish_prompt + functions -e _old_fish_prompt + end + end + + set -e VIRTUAL_ENV + set -e VIRTUAL_ENV_PROMPT + if test "$argv[1]" != "nondestructive" + # Self-destruct! + functions -e deactivate + end +end + +# Unset irrelevant variables. +deactivate nondestructive + +set -gx VIRTUAL_ENV "/home/wotlk_webserver/AzerothCore-website/venv" + +set -gx _OLD_VIRTUAL_PATH $PATH +set -gx PATH "$VIRTUAL_ENV/bin" $PATH + +# Unset PYTHONHOME if set. +if set -q PYTHONHOME + set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME + set -e PYTHONHOME +end + +if test -z "$VIRTUAL_ENV_DISABLE_PROMPT" + # fish uses a function instead of an env var to generate the prompt. + + # Save the current fish_prompt function as the function _old_fish_prompt. + functions -c fish_prompt _old_fish_prompt + + # With the original prompt function renamed, we can override with our own. + function fish_prompt + # Save the return status of the last command. + set -l old_status $status + + # Output the venv prompt; color taken from the blue of the Python logo. + printf "%s%s%s" (set_color 4B8BBE) "(venv) " (set_color normal) + + # Restore the return status of the previous command. + echo "exit $old_status" | . + # Output the original/"old" prompt. + _old_fish_prompt + end + + set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV" + set -gx VIRTUAL_ENV_PROMPT "(venv) " +end diff --git a/venv/bin/email_validator b/venv/bin/email_validator new file mode 100644 index 0000000..b87e638 --- /dev/null +++ b/venv/bin/email_validator @@ -0,0 +1,8 @@ +#!/home/wotlk_webserver/AzerothCore-website/venv/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from email_validator.__main__ import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/venv/bin/flask b/venv/bin/flask new file mode 100644 index 0000000..65775dd --- /dev/null +++ b/venv/bin/flask @@ -0,0 +1,8 @@ +#!/home/wotlk_webserver/AzerothCore-website/venv/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from flask.cli import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/venv/bin/gunicorn b/venv/bin/gunicorn new file mode 100644 index 0000000..694b4a0 --- /dev/null +++ b/venv/bin/gunicorn @@ -0,0 +1,8 @@ +#!/home/wotlk_webserver/AzerothCore-website/venv/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from gunicorn.app.wsgiapp import run +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(run()) diff --git a/venv/bin/normalizer b/venv/bin/normalizer new file mode 100644 index 0000000..12d4637 --- /dev/null +++ b/venv/bin/normalizer @@ -0,0 +1,8 @@ +#!/home/wotlk_webserver/AzerothCore-website/venv/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from charset_normalizer.cli import cli_detect +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(cli_detect()) diff --git a/venv/bin/pip b/venv/bin/pip new file mode 100644 index 0000000..6f8a2ad --- /dev/null +++ b/venv/bin/pip @@ -0,0 +1,8 @@ +#!/home/wotlk_webserver/AzerothCore-website/venv/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pip._internal.cli.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/venv/bin/pip3 b/venv/bin/pip3 new file mode 100644 index 0000000..6f8a2ad --- /dev/null +++ b/venv/bin/pip3 @@ -0,0 +1,8 @@ +#!/home/wotlk_webserver/AzerothCore-website/venv/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pip._internal.cli.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/venv/bin/pip3.12 b/venv/bin/pip3.12 new file mode 100644 index 0000000..6f8a2ad --- /dev/null +++ b/venv/bin/pip3.12 @@ -0,0 +1,8 @@ +#!/home/wotlk_webserver/AzerothCore-website/venv/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pip._internal.cli.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/venv/bin/python b/venv/bin/python new file mode 100644 index 0000000..ec853d2 Binary files /dev/null and b/venv/bin/python differ diff --git a/venv/bin/python3 b/venv/bin/python3 new file mode 100644 index 0000000..ec853d2 Binary files /dev/null and b/venv/bin/python3 differ diff --git a/venv/bin/python3.12 b/venv/bin/python3.12 new file mode 100644 index 0000000..ec853d2 Binary files /dev/null and b/venv/bin/python3.12 differ diff --git a/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/LICENSE.rst b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/LICENSE.rst new file mode 100644 index 0000000..c37cae4 --- /dev/null +++ b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2007 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/METADATA b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/METADATA new file mode 100644 index 0000000..f54bb5c --- /dev/null +++ b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/METADATA @@ -0,0 +1,113 @@ +Metadata-Version: 2.1 +Name: Jinja2 +Version: 3.1.2 +Summary: A very fast and expressive template engine. +Home-page: https://palletsprojects.com/p/jinja/ +Author: Armin Ronacher +Author-email: armin.ronacher@active-4.com +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://jinja.palletsprojects.com/ +Project-URL: Changes, https://jinja.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/jinja/ +Project-URL: Issue Tracker, https://github.com/pallets/jinja/issues/ +Project-URL: Twitter, https://twitter.com/PalletsTeam +Project-URL: Chat, https://discord.gg/pallets +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Text Processing :: Markup :: HTML +Requires-Python: >=3.7 +Description-Content-Type: text/x-rst +License-File: LICENSE.rst +Requires-Dist: MarkupSafe (>=2.0) +Provides-Extra: i18n +Requires-Dist: Babel (>=2.7) ; extra == 'i18n' + +Jinja +===== + +Jinja is a fast, expressive, extensible templating engine. Special +placeholders in the template allow writing code similar to Python +syntax. Then the template is passed data to render the final document. + +It includes: + +- Template inheritance and inclusion. +- Define and import macros within templates. +- HTML templates can use autoescaping to prevent XSS from untrusted + user input. +- A sandboxed environment can safely render untrusted templates. +- AsyncIO support for generating templates and calling async + functions. +- I18N support with Babel. +- Templates are compiled to optimized Python code just-in-time and + cached, or can be compiled ahead-of-time. +- Exceptions point to the correct line in templates to make debugging + easier. +- Extensible filters, tests, functions, and even syntax. + +Jinja's philosophy is that while application logic belongs in Python if +possible, it shouldn't make the template designer's job difficult by +restricting functionality too much. + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + $ pip install -U Jinja2 + +.. _pip: https://pip.pypa.io/en/stable/getting-started/ + + +In A Nutshell +------------- + +.. code-block:: jinja + + {% extends "base.html" %} + {% block title %}Members{% endblock %} + {% block content %} + + {% endblock %} + + +Donate +------ + +The Pallets organization develops and supports Jinja and other popular +packages. In order to grow the community of contributors and users, and +allow the maintainers to devote more time to the projects, `please +donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://jinja.palletsprojects.com/ +- Changes: https://jinja.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/Jinja2/ +- Source Code: https://github.com/pallets/jinja/ +- Issue Tracker: https://github.com/pallets/jinja/issues/ +- Website: https://palletsprojects.com/p/jinja/ +- Twitter: https://twitter.com/PalletsTeam +- Chat: https://discord.gg/pallets + + diff --git a/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/RECORD b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/RECORD new file mode 100644 index 0000000..10e8cd3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/RECORD @@ -0,0 +1,59 @@ 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0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/WHEEL b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/WHEEL new file mode 100644 index 0000000..becc9a6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.37.1) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/entry_points.txt b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/entry_points.txt new file mode 100644 index 0000000..7b9666c --- /dev/null +++ b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/entry_points.txt @@ -0,0 +1,2 @@ +[babel.extractors] +jinja2 = jinja2.ext:babel_extract[i18n] diff --git a/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/top_level.txt new file mode 100644 index 0000000..7f7afbf --- /dev/null +++ b/venv/lib/python3.12/site-packages/Jinja2-3.1.2.dist-info/top_level.txt @@ -0,0 +1 @@ +jinja2 diff --git a/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/LICENSE.rst b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/LICENSE.rst new file mode 100644 index 0000000..9d227a0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2010 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/METADATA b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/METADATA new file mode 100644 index 0000000..dfe37d5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/METADATA @@ -0,0 +1,93 @@ +Metadata-Version: 2.1 +Name: MarkupSafe +Version: 2.1.5 +Summary: Safely add untrusted strings to HTML/XML markup. +Home-page: https://palletsprojects.com/p/markupsafe/ +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://markupsafe.palletsprojects.com/ +Project-URL: Changes, https://markupsafe.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/markupsafe/ +Project-URL: Issue Tracker, https://github.com/pallets/markupsafe/issues/ +Project-URL: Chat, https://discord.gg/pallets +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Text Processing :: Markup :: HTML +Requires-Python: >=3.7 +Description-Content-Type: text/x-rst +License-File: LICENSE.rst + +MarkupSafe +========== + +MarkupSafe implements a text object that escapes characters so it is +safe to use in HTML and XML. Characters that have special meanings are +replaced so that they display as the actual characters. This mitigates +injection attacks, meaning untrusted user input can safely be displayed +on a page. + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + pip install -U MarkupSafe + +.. _pip: https://pip.pypa.io/en/stable/getting-started/ + + +Examples +-------- + +.. code-block:: pycon + + >>> from markupsafe import Markup, escape + + >>> # escape replaces special characters and wraps in Markup + >>> escape("") + Markup('<script>alert(document.cookie);</script>') + + >>> # wrap in Markup to mark text "safe" and prevent escaping + >>> Markup("Hello") + Markup('hello') + + >>> escape(Markup("Hello")) + Markup('hello') + + >>> # Markup is a str subclass + >>> # methods and operators escape their arguments + >>> template = Markup("Hello {name}") + >>> template.format(name='"World"') + Markup('Hello "World"') + + +Donate +------ + +The Pallets organization develops and supports MarkupSafe and other +popular packages. In order to grow the community of contributors and +users, and allow the maintainers to devote more time to the projects, +`please donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://markupsafe.palletsprojects.com/ +- Changes: https://markupsafe.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/MarkupSafe/ +- Source Code: https://github.com/pallets/markupsafe/ +- Issue Tracker: https://github.com/pallets/markupsafe/issues/ +- Chat: https://discord.gg/pallets diff --git a/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/RECORD b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/RECORD new file mode 100644 index 0000000..d973bf0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/RECORD @@ -0,0 +1,14 @@ +MarkupSafe-2.1.5.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 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+markupsafe/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 diff --git a/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/WHEEL b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/WHEEL new file mode 100644 index 0000000..bd099b7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.42.0) +Root-Is-Purelib: false +Tag: cp312-cp312-manylinux_2_17_x86_64 +Tag: cp312-cp312-manylinux2014_x86_64 + diff --git a/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/top_level.txt new file mode 100644 index 0000000..75bf729 --- /dev/null +++ b/venv/lib/python3.12/site-packages/MarkupSafe-2.1.5.dist-info/top_level.txt @@ -0,0 +1 @@ +markupsafe diff --git a/venv/lib/python3.12/site-packages/_cffi_backend.cpython-312-x86_64-linux-gnu.so b/venv/lib/python3.12/site-packages/_cffi_backend.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000..bddc5d1 Binary files /dev/null and b/venv/lib/python3.12/site-packages/_cffi_backend.cpython-312-x86_64-linux-gnu.so differ diff --git a/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/LICENSE.txt b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/LICENSE.txt new file mode 100644 index 0000000..79c9825 --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/LICENSE.txt @@ -0,0 +1,20 @@ +Copyright 2010 Jason Kirtland + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/METADATA b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/METADATA new file mode 100644 index 0000000..efa45f5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/METADATA @@ -0,0 +1,60 @@ +Metadata-Version: 2.1 +Name: blinker +Version: 1.8.2 +Summary: Fast, simple object-to-object and broadcast signaling +Author: Jason Kirtland +Maintainer-email: Pallets Ecosystem +Requires-Python: >=3.8 +Description-Content-Type: text/markdown +Classifier: Development Status :: 5 - Production/Stable +Classifier: License :: OSI Approved :: MIT License +Classifier: Programming Language :: Python +Classifier: Typing :: Typed +Project-URL: Chat, https://discord.gg/pallets +Project-URL: Documentation, https://blinker.readthedocs.io +Project-URL: Source, https://github.com/pallets-eco/blinker/ + +# Blinker + +Blinker provides a fast dispatching system that allows any number of +interested parties to subscribe to events, or "signals". + + +## Pallets Community Ecosystem + +> [!IMPORTANT]\ +> This project is part of the Pallets Community Ecosystem. Pallets is the open +> source organization that maintains Flask; Pallets-Eco enables community +> maintenance of related projects. If you are interested in helping maintain +> this project, please reach out on [the Pallets Discord server][discord]. +> +> [discord]: https://discord.gg/pallets + + +## Example + +Signal receivers can subscribe to specific senders or receive signals +sent by any sender. + +```pycon +>>> from blinker import signal +>>> started = signal('round-started') +>>> def each(round): +... print(f"Round {round}") +... +>>> started.connect(each) + +>>> def round_two(round): +... print("This is round two.") +... +>>> started.connect(round_two, sender=2) + +>>> for round in range(1, 4): +... started.send(round) +... +Round 1! +Round 2! +This is round two. +Round 3! +``` + diff --git a/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/RECORD b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/RECORD new file mode 100644 index 0000000..46b35c6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/RECORD @@ -0,0 +1,12 @@ +blinker-1.8.2.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +blinker-1.8.2.dist-info/LICENSE.txt,sha256=nrc6HzhZekqhcCXSrhvjg5Ykx5XphdTw6Xac4p-spGc,1054 +blinker-1.8.2.dist-info/METADATA,sha256=3tEx40hm9IEofyFqDPJsDPE9MAIEhtifapoSp7FqzuA,1633 +blinker-1.8.2.dist-info/RECORD,, +blinker-1.8.2.dist-info/WHEEL,sha256=EZbGkh7Ie4PoZfRQ8I0ZuP9VklN_TvcZ6DSE5Uar4z4,81 +blinker/__init__.py,sha256=ymyJY_PoTgBzaPgdr4dq-RRsGh7D-sYQIGMNp8Rx4qc,1577 +blinker/__pycache__/__init__.cpython-312.pyc,, +blinker/__pycache__/_utilities.cpython-312.pyc,, +blinker/__pycache__/base.cpython-312.pyc,, +blinker/_utilities.py,sha256=0J7eeXXTUx0Ivf8asfpx0ycVkp0Eqfqnj117x2mYX9E,1675 +blinker/base.py,sha256=nIZJEtXQ8LLZZJrwVp2wQcdfCzDixvAHR9VpSWiyVcQ,22574 +blinker/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 diff --git a/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/WHEEL b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/WHEEL new file mode 100644 index 0000000..3b5e64b --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker-1.8.2.dist-info/WHEEL @@ -0,0 +1,4 @@ +Wheel-Version: 1.0 +Generator: flit 3.9.0 +Root-Is-Purelib: true +Tag: py3-none-any diff --git a/venv/lib/python3.12/site-packages/blinker/__init__.py b/venv/lib/python3.12/site-packages/blinker/__init__.py new file mode 100644 index 0000000..c93527e --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker/__init__.py @@ -0,0 +1,60 @@ +from __future__ import annotations + +import typing as t + +from .base import ANY +from .base import default_namespace +from .base import NamedSignal +from .base import Namespace +from .base import Signal +from .base import signal + +__all__ = [ + "ANY", + "default_namespace", + "NamedSignal", + "Namespace", + "Signal", + "signal", +] + + +def __getattr__(name: str) -> t.Any: + import warnings + + if name == "__version__": + import importlib.metadata + + warnings.warn( + "The '__version__' attribute is deprecated and will be removed in" + " Blinker 1.9.0. Use feature detection or" + " 'importlib.metadata.version(\"blinker\")' instead.", + DeprecationWarning, + stacklevel=2, + ) + return importlib.metadata.version("blinker") + + if name == "receiver_connected": + from .base import _receiver_connected + + warnings.warn( + "The global 'receiver_connected' signal is deprecated and will be" + " removed in Blinker 1.9. Use 'Signal.receiver_connected' and" + " 'Signal.receiver_disconnected' instead.", + DeprecationWarning, + stacklevel=2, + ) + return _receiver_connected + + if name == "WeakNamespace": + from .base import _WeakNamespace + + warnings.warn( + "'WeakNamespace' is deprecated and will be removed in Blinker 1.9." + " Use 'Namespace' instead.", + DeprecationWarning, + stacklevel=2, + ) + return _WeakNamespace + + raise AttributeError(name) diff --git a/venv/lib/python3.12/site-packages/blinker/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/blinker/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..6819a63 Binary files /dev/null and b/venv/lib/python3.12/site-packages/blinker/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/blinker/__pycache__/_utilities.cpython-312.pyc b/venv/lib/python3.12/site-packages/blinker/__pycache__/_utilities.cpython-312.pyc new file mode 100644 index 0000000..7ded8d0 Binary files /dev/null and b/venv/lib/python3.12/site-packages/blinker/__pycache__/_utilities.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/blinker/__pycache__/base.cpython-312.pyc b/venv/lib/python3.12/site-packages/blinker/__pycache__/base.cpython-312.pyc new file mode 100644 index 0000000..af0437a Binary files /dev/null and b/venv/lib/python3.12/site-packages/blinker/__pycache__/base.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/blinker/_utilities.py b/venv/lib/python3.12/site-packages/blinker/_utilities.py new file mode 100644 index 0000000..000c902 --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker/_utilities.py @@ -0,0 +1,64 @@ +from __future__ import annotations + +import collections.abc as c +import inspect +import typing as t +from weakref import ref +from weakref import WeakMethod + +T = t.TypeVar("T") + + +class Symbol: + """A constant symbol, nicer than ``object()``. Repeated calls return the + same instance. + + >>> Symbol('foo') is Symbol('foo') + True + >>> Symbol('foo') + foo + """ + + symbols: t.ClassVar[dict[str, Symbol]] = {} + + def __new__(cls, name: str) -> Symbol: + if name in cls.symbols: + return cls.symbols[name] + + obj = super().__new__(cls) + cls.symbols[name] = obj + return obj + + def __init__(self, name: str) -> None: + self.name = name + + def __repr__(self) -> str: + return self.name + + def __getnewargs__(self) -> tuple[t.Any, ...]: + return (self.name,) + + +def make_id(obj: object) -> c.Hashable: + """Get a stable identifier for a receiver or sender, to be used as a dict + key or in a set. + """ + if inspect.ismethod(obj): + # The id of a bound method is not stable, but the id of the unbound + # function and instance are. + return id(obj.__func__), id(obj.__self__) + + if isinstance(obj, (str, int)): + # Instances with the same value always compare equal and have the same + # hash, even if the id may change. + return obj + + # Assume other types are not hashable but will always be the same instance. + return id(obj) + + +def make_ref(obj: T, callback: c.Callable[[ref[T]], None] | None = None) -> ref[T]: + if inspect.ismethod(obj): + return WeakMethod(obj, callback) # type: ignore[arg-type, return-value] + + return ref(obj, callback) diff --git a/venv/lib/python3.12/site-packages/blinker/base.py b/venv/lib/python3.12/site-packages/blinker/base.py new file mode 100644 index 0000000..ec494b1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/blinker/base.py @@ -0,0 +1,621 @@ +from __future__ import annotations + +import collections.abc as c +import typing as t +import warnings +import weakref +from collections import defaultdict +from contextlib import AbstractContextManager +from contextlib import contextmanager +from functools import cached_property +from inspect import iscoroutinefunction +from weakref import WeakValueDictionary + +from ._utilities import make_id +from ._utilities import make_ref +from ._utilities import Symbol + +if t.TYPE_CHECKING: + F = t.TypeVar("F", bound=c.Callable[..., t.Any]) + +ANY = Symbol("ANY") +"""Symbol for "any sender".""" + +ANY_ID = 0 + + +class Signal: + """A notification emitter. + + :param doc: The docstring for the signal. + """ + + ANY = ANY + """An alias for the :data:`~blinker.ANY` sender symbol.""" + + set_class: type[set[t.Any]] = set + """The set class to use for tracking connected receivers and senders. + Python's ``set`` is unordered. If receivers must be dispatched in the order + they were connected, an ordered set implementation can be used. + + .. versionadded:: 1.7 + """ + + @cached_property + def receiver_connected(self) -> Signal: + """Emitted at the end of each :meth:`connect` call. + + The signal sender is the signal instance, and the :meth:`connect` + arguments are passed through: ``receiver``, ``sender``, and ``weak``. + + .. versionadded:: 1.2 + """ + return Signal(doc="Emitted after a receiver connects.") + + @cached_property + def receiver_disconnected(self) -> Signal: + """Emitted at the end of each :meth:`disconnect` call. + + The sender is the signal instance, and the :meth:`disconnect` arguments + are passed through: ``receiver`` and ``sender``. + + This signal is emitted **only** when :meth:`disconnect` is called + explicitly. This signal cannot be emitted by an automatic disconnect + when a weakly referenced receiver or sender goes out of scope, as the + instance is no longer be available to be used as the sender for this + signal. + + An alternative approach is available by subscribing to + :attr:`receiver_connected` and setting up a custom weakref cleanup + callback on weak receivers and senders. + + .. versionadded:: 1.2 + """ + return Signal(doc="Emitted after a receiver disconnects.") + + def __init__(self, doc: str | None = None) -> None: + if doc: + self.__doc__ = doc + + self.receivers: dict[ + t.Any, weakref.ref[c.Callable[..., t.Any]] | c.Callable[..., t.Any] + ] = {} + """The map of connected receivers. Useful to quickly check if any + receivers are connected to the signal: ``if s.receivers:``. The + structure and data is not part of the public API, but checking its + boolean value is. + """ + + self.is_muted: bool = False + self._by_receiver: dict[t.Any, set[t.Any]] = defaultdict(self.set_class) + self._by_sender: dict[t.Any, set[t.Any]] = defaultdict(self.set_class) + self._weak_senders: dict[t.Any, weakref.ref[t.Any]] = {} + + def connect(self, receiver: F, sender: t.Any = ANY, weak: bool = True) -> F: + """Connect ``receiver`` to be called when the signal is sent by + ``sender``. + + :param receiver: The callable to call when :meth:`send` is called with + the given ``sender``, passing ``sender`` as a positional argument + along with any extra keyword arguments. + :param sender: Any object or :data:`ANY`. ``receiver`` will only be + called when :meth:`send` is called with this sender. If ``ANY``, the + receiver will be called for any sender. A receiver may be connected + to multiple senders by calling :meth:`connect` multiple times. + :param weak: Track the receiver with a :mod:`weakref`. The receiver will + be automatically disconnected when it is garbage collected. When + connecting a receiver defined within a function, set to ``False``, + otherwise it will be disconnected when the function scope ends. + """ + receiver_id = make_id(receiver) + sender_id = ANY_ID if sender is ANY else make_id(sender) + + if weak: + self.receivers[receiver_id] = make_ref( + receiver, self._make_cleanup_receiver(receiver_id) + ) + else: + self.receivers[receiver_id] = receiver + + self._by_sender[sender_id].add(receiver_id) + self._by_receiver[receiver_id].add(sender_id) + + if sender is not ANY and sender_id not in self._weak_senders: + # store a cleanup for weakref-able senders + try: + self._weak_senders[sender_id] = make_ref( + sender, self._make_cleanup_sender(sender_id) + ) + except TypeError: + pass + + if "receiver_connected" in self.__dict__ and self.receiver_connected.receivers: + try: + self.receiver_connected.send( + self, receiver=receiver, sender=sender, weak=weak + ) + except TypeError: + # TODO no explanation or test for this + self.disconnect(receiver, sender) + raise + + if _receiver_connected.receivers and self is not _receiver_connected: + try: + _receiver_connected.send( + self, receiver_arg=receiver, sender_arg=sender, weak_arg=weak + ) + except TypeError: + self.disconnect(receiver, sender) + raise + + return receiver + + def connect_via(self, sender: t.Any, weak: bool = False) -> c.Callable[[F], F]: + """Connect the decorated function to be called when the signal is sent + by ``sender``. + + The decorated function will be called when :meth:`send` is called with + the given ``sender``, passing ``sender`` as a positional argument along + with any extra keyword arguments. + + :param sender: Any object or :data:`ANY`. ``receiver`` will only be + called when :meth:`send` is called with this sender. If ``ANY``, the + receiver will be called for any sender. A receiver may be connected + to multiple senders by calling :meth:`connect` multiple times. + :param weak: Track the receiver with a :mod:`weakref`. The receiver will + be automatically disconnected when it is garbage collected. When + connecting a receiver defined within a function, set to ``False``, + otherwise it will be disconnected when the function scope ends.= + + .. versionadded:: 1.1 + """ + + def decorator(fn: F) -> F: + self.connect(fn, sender, weak) + return fn + + return decorator + + @contextmanager + def connected_to( + self, receiver: c.Callable[..., t.Any], sender: t.Any = ANY + ) -> c.Generator[None, None, None]: + """A context manager that temporarily connects ``receiver`` to the + signal while a ``with`` block executes. When the block exits, the + receiver is disconnected. Useful for tests. + + :param receiver: The callable to call when :meth:`send` is called with + the given ``sender``, passing ``sender`` as a positional argument + along with any extra keyword arguments. + :param sender: Any object or :data:`ANY`. ``receiver`` will only be + called when :meth:`send` is called with this sender. If ``ANY``, the + receiver will be called for any sender. + + .. versionadded:: 1.1 + """ + self.connect(receiver, sender=sender, weak=False) + + try: + yield None + finally: + self.disconnect(receiver) + + @contextmanager + def muted(self) -> c.Generator[None, None, None]: + """A context manager that temporarily disables the signal. No receivers + will be called if the signal is sent, until the ``with`` block exits. + Useful for tests. + """ + self.is_muted = True + + try: + yield None + finally: + self.is_muted = False + + def temporarily_connected_to( + self, receiver: c.Callable[..., t.Any], sender: t.Any = ANY + ) -> AbstractContextManager[None]: + """Deprecated alias for :meth:`connected_to`. + + .. deprecated:: 1.1 + Renamed to ``connected_to``. Will be removed in Blinker 1.9. + + .. versionadded:: 0.9 + """ + warnings.warn( + "'temporarily_connected_to' is renamed to 'connected_to'. The old name is" + " deprecated and will be removed in Blinker 1.9.", + DeprecationWarning, + stacklevel=2, + ) + return self.connected_to(receiver, sender) + + def send( + self, + sender: t.Any | None = None, + /, + *, + _async_wrapper: c.Callable[ + [c.Callable[..., c.Coroutine[t.Any, t.Any, t.Any]]], c.Callable[..., t.Any] + ] + | None = None, + **kwargs: t.Any, + ) -> list[tuple[c.Callable[..., t.Any], t.Any]]: + """Call all receivers that are connected to the given ``sender`` + or :data:`ANY`. Each receiver is called with ``sender`` as a positional + argument along with any extra keyword arguments. Return a list of + ``(receiver, return value)`` tuples. + + The order receivers are called is undefined, but can be influenced by + setting :attr:`set_class`. + + If a receiver raises an exception, that exception will propagate up. + This makes debugging straightforward, with an assumption that correctly + implemented receivers will not raise. + + :param sender: Call receivers connected to this sender, in addition to + those connected to :data:`ANY`. + :param _async_wrapper: Will be called on any receivers that are async + coroutines to turn them into sync callables. For example, could run + the receiver with an event loop. + :param kwargs: Extra keyword arguments to pass to each receiver. + + .. versionchanged:: 1.7 + Added the ``_async_wrapper`` argument. + """ + if self.is_muted: + return [] + + results = [] + + for receiver in self.receivers_for(sender): + if iscoroutinefunction(receiver): + if _async_wrapper is None: + raise RuntimeError("Cannot send to a coroutine function.") + + result = _async_wrapper(receiver)(sender, **kwargs) + else: + result = receiver(sender, **kwargs) + + results.append((receiver, result)) + + return results + + async def send_async( + self, + sender: t.Any | None = None, + /, + *, + _sync_wrapper: c.Callable[ + [c.Callable[..., t.Any]], c.Callable[..., c.Coroutine[t.Any, t.Any, t.Any]] + ] + | None = None, + **kwargs: t.Any, + ) -> list[tuple[c.Callable[..., t.Any], t.Any]]: + """Await all receivers that are connected to the given ``sender`` + or :data:`ANY`. Each receiver is called with ``sender`` as a positional + argument along with any extra keyword arguments. Return a list of + ``(receiver, return value)`` tuples. + + The order receivers are called is undefined, but can be influenced by + setting :attr:`set_class`. + + If a receiver raises an exception, that exception will propagate up. + This makes debugging straightforward, with an assumption that correctly + implemented receivers will not raise. + + :param sender: Call receivers connected to this sender, in addition to + those connected to :data:`ANY`. + :param _sync_wrapper: Will be called on any receivers that are sync + callables to turn them into async coroutines. For example, + could call the receiver in a thread. + :param kwargs: Extra keyword arguments to pass to each receiver. + + .. versionadded:: 1.7 + """ + if self.is_muted: + return [] + + results = [] + + for receiver in self.receivers_for(sender): + if not iscoroutinefunction(receiver): + if _sync_wrapper is None: + raise RuntimeError("Cannot send to a non-coroutine function.") + + result = await _sync_wrapper(receiver)(sender, **kwargs) + else: + result = await receiver(sender, **kwargs) + + results.append((receiver, result)) + + return results + + def has_receivers_for(self, sender: t.Any) -> bool: + """Check if there is at least one receiver that will be called with the + given ``sender``. A receiver connected to :data:`ANY` will always be + called, regardless of sender. Does not check if weakly referenced + receivers are still live. See :meth:`receivers_for` for a stronger + search. + + :param sender: Check for receivers connected to this sender, in addition + to those connected to :data:`ANY`. + """ + if not self.receivers: + return False + + if self._by_sender[ANY_ID]: + return True + + if sender is ANY: + return False + + return make_id(sender) in self._by_sender + + def receivers_for( + self, sender: t.Any + ) -> c.Generator[c.Callable[..., t.Any], None, None]: + """Yield each receiver to be called for ``sender``, in addition to those + to be called for :data:`ANY`. Weakly referenced receivers that are not + live will be disconnected and skipped. + + :param sender: Yield receivers connected to this sender, in addition + to those connected to :data:`ANY`. + """ + # TODO: test receivers_for(ANY) + if not self.receivers: + return + + sender_id = make_id(sender) + + if sender_id in self._by_sender: + ids = self._by_sender[ANY_ID] | self._by_sender[sender_id] + else: + ids = self._by_sender[ANY_ID].copy() + + for receiver_id in ids: + receiver = self.receivers.get(receiver_id) + + if receiver is None: + continue + + if isinstance(receiver, weakref.ref): + strong = receiver() + + if strong is None: + self._disconnect(receiver_id, ANY_ID) + continue + + yield strong + else: + yield receiver + + def disconnect(self, receiver: c.Callable[..., t.Any], sender: t.Any = ANY) -> None: + """Disconnect ``receiver`` from being called when the signal is sent by + ``sender``. + + :param receiver: A connected receiver callable. + :param sender: Disconnect from only this sender. By default, disconnect + from all senders. + """ + sender_id: c.Hashable + + if sender is ANY: + sender_id = ANY_ID + else: + sender_id = make_id(sender) + + receiver_id = make_id(receiver) + self._disconnect(receiver_id, sender_id) + + if ( + "receiver_disconnected" in self.__dict__ + and self.receiver_disconnected.receivers + ): + self.receiver_disconnected.send(self, receiver=receiver, sender=sender) + + def _disconnect(self, receiver_id: c.Hashable, sender_id: c.Hashable) -> None: + if sender_id == ANY_ID: + if self._by_receiver.pop(receiver_id, None) is not None: + for bucket in self._by_sender.values(): + bucket.discard(receiver_id) + + self.receivers.pop(receiver_id, None) + else: + self._by_sender[sender_id].discard(receiver_id) + self._by_receiver[receiver_id].discard(sender_id) + + def _make_cleanup_receiver( + self, receiver_id: c.Hashable + ) -> c.Callable[[weakref.ref[c.Callable[..., t.Any]]], None]: + """Create a callback function to disconnect a weakly referenced + receiver when it is garbage collected. + """ + + def cleanup(ref: weakref.ref[c.Callable[..., t.Any]]) -> None: + self._disconnect(receiver_id, ANY_ID) + + return cleanup + + def _make_cleanup_sender( + self, sender_id: c.Hashable + ) -> c.Callable[[weakref.ref[t.Any]], None]: + """Create a callback function to disconnect all receivers for a weakly + referenced sender when it is garbage collected. + """ + assert sender_id != ANY_ID + + def cleanup(ref: weakref.ref[t.Any]) -> None: + self._weak_senders.pop(sender_id, None) + + for receiver_id in self._by_sender.pop(sender_id, ()): + self._by_receiver[receiver_id].discard(sender_id) + + return cleanup + + def _cleanup_bookkeeping(self) -> None: + """Prune unused sender/receiver bookkeeping. Not threadsafe. + + Connecting & disconnecting leaves behind a small amount of bookkeeping + data. Typical workloads using Blinker, for example in most web apps, + Flask, CLI scripts, etc., are not adversely affected by this + bookkeeping. + + With a long-running process performing dynamic signal routing with high + volume, e.g. connecting to function closures, senders are all unique + object instances. Doing all of this over and over may cause memory usage + to grow due to extraneous bookkeeping. (An empty ``set`` for each stale + sender/receiver pair.) + + This method will prune that bookkeeping away, with the caveat that such + pruning is not threadsafe. The risk is that cleanup of a fully + disconnected receiver/sender pair occurs while another thread is + connecting that same pair. If you are in the highly dynamic, unique + receiver/sender situation that has lead you to this method, that failure + mode is perhaps not a big deal for you. + """ + for mapping in (self._by_sender, self._by_receiver): + for ident, bucket in list(mapping.items()): + if not bucket: + mapping.pop(ident, None) + + def _clear_state(self) -> None: + """Disconnect all receivers and senders. Useful for tests.""" + self._weak_senders.clear() + self.receivers.clear() + self._by_sender.clear() + self._by_receiver.clear() + + +_receiver_connected = Signal( + """\ +Sent by a :class:`Signal` after a receiver connects. + +:argument: the Signal that was connected to +:keyword receiver_arg: the connected receiver +:keyword sender_arg: the sender to connect to +:keyword weak_arg: true if the connection to receiver_arg is a weak reference + +.. deprecated:: 1.2 + Individual signals have their own :attr:`~Signal.receiver_connected` and + :attr:`~Signal.receiver_disconnected` signals with a slightly simplified + call signature. This global signal will be removed in Blinker 1.9. +""" +) + + +class NamedSignal(Signal): + """A named generic notification emitter. The name is not used by the signal + itself, but matches the key in the :class:`Namespace` that it belongs to. + + :param name: The name of the signal within the namespace. + :param doc: The docstring for the signal. + """ + + def __init__(self, name: str, doc: str | None = None) -> None: + super().__init__(doc) + + #: The name of this signal. + self.name: str = name + + def __repr__(self) -> str: + base = super().__repr__() + return f"{base[:-1]}; {self.name!r}>" # noqa: E702 + + +if t.TYPE_CHECKING: + + class PNamespaceSignal(t.Protocol): + def __call__(self, name: str, doc: str | None = None) -> NamedSignal: ... + + # Python < 3.9 + _NamespaceBase = dict[str, NamedSignal] # type: ignore[misc] +else: + _NamespaceBase = dict + + +class Namespace(_NamespaceBase): + """A dict mapping names to signals.""" + + def signal(self, name: str, doc: str | None = None) -> NamedSignal: + """Return the :class:`NamedSignal` for the given ``name``, creating it + if required. Repeated calls with the same name return the same signal. + + :param name: The name of the signal. + :param doc: The docstring of the signal. + """ + if name not in self: + self[name] = NamedSignal(name, doc) + + return self[name] + + +class _WeakNamespace(WeakValueDictionary): # type: ignore[type-arg] + """A weak mapping of names to signals. + + Automatically cleans up unused signals when the last reference goes out + of scope. This namespace implementation provides similar behavior to Blinker + <= 1.2. + + .. deprecated:: 1.3 + Will be removed in Blinker 1.9. + + .. versionadded:: 1.3 + """ + + def __init__(self) -> None: + warnings.warn( + "'WeakNamespace' is deprecated and will be removed in Blinker 1.9." + " Use 'Namespace' instead.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__() + + def signal(self, name: str, doc: str | None = None) -> NamedSignal: + """Return the :class:`NamedSignal` for the given ``name``, creating it + if required. Repeated calls with the same name return the same signal. + + :param name: The name of the signal. + :param doc: The docstring of the signal. + """ + if name not in self: + self[name] = NamedSignal(name, doc) + + return self[name] # type: ignore[no-any-return] + + +default_namespace: Namespace = Namespace() +"""A default :class:`Namespace` for creating named signals. :func:`signal` +creates a :class:`NamedSignal` in this namespace. +""" + +signal: PNamespaceSignal = default_namespace.signal +"""Return a :class:`NamedSignal` in :data:`default_namespace` with the given +``name``, creating it if required. Repeated calls with the same name return the +same signal. +""" + + +def __getattr__(name: str) -> t.Any: + if name == "receiver_connected": + warnings.warn( + "The global 'receiver_connected' signal is deprecated and will be" + " removed in Blinker 1.9. Use 'Signal.receiver_connected' and" + " 'Signal.receiver_disconnected' instead.", + DeprecationWarning, + stacklevel=2, + ) + return _receiver_connected + + if name == "WeakNamespace": + warnings.warn( + "'WeakNamespace' is deprecated and will be removed in Blinker 1.9." + " Use 'Namespace' instead.", + DeprecationWarning, + stacklevel=2, + ) + return _WeakNamespace + + raise AttributeError(name) diff --git a/venv/lib/python3.12/site-packages/blinker/py.typed b/venv/lib/python3.12/site-packages/blinker/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/LICENSE b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/LICENSE new file mode 100644 index 0000000..62b076c --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/LICENSE @@ -0,0 +1,20 @@ +This package contains a modified version of ca-bundle.crt: + +ca-bundle.crt -- Bundle of CA Root Certificates + +This is a bundle of X.509 certificates of public Certificate Authorities +(CA). These were automatically extracted from Mozilla's root certificates +file (certdata.txt). This file can be found in the mozilla source tree: +https://hg.mozilla.org/mozilla-central/file/tip/security/nss/lib/ckfw/builtins/certdata.txt +It contains the certificates in PEM format and therefore +can be directly used with curl / libcurl / php_curl, or with +an Apache+mod_ssl webserver for SSL client authentication. +Just configure this file as the SSLCACertificateFile.# + +***** BEGIN LICENSE BLOCK ***** +This Source Code Form is subject to the terms of the Mozilla Public License, +v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain +one at http://mozilla.org/MPL/2.0/. + +***** END LICENSE BLOCK ***** +@(#) $RCSfile: certdata.txt,v $ $Revision: 1.80 $ $Date: 2011/11/03 15:11:58 $ diff --git a/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/METADATA b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/METADATA new file mode 100644 index 0000000..0a3a772 --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/METADATA @@ -0,0 +1,67 @@ +Metadata-Version: 2.1 +Name: certifi +Version: 2024.8.30 +Summary: Python package for providing Mozilla's CA Bundle. +Home-page: https://github.com/certifi/python-certifi +Author: Kenneth Reitz +Author-email: me@kennethreitz.com +License: MPL-2.0 +Project-URL: Source, https://github.com/certifi/python-certifi +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0) +Classifier: Natural Language :: English +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: 3.12 +Requires-Python: >=3.6 +License-File: LICENSE + +Certifi: Python SSL Certificates +================================ + +Certifi provides Mozilla's carefully curated collection of Root Certificates for +validating the trustworthiness of SSL certificates while verifying the identity +of TLS hosts. It has been extracted from the `Requests`_ project. + +Installation +------------ + +``certifi`` is available on PyPI. Simply install it with ``pip``:: + + $ pip install certifi + +Usage +----- + +To reference the installed certificate authority (CA) bundle, you can use the +built-in function:: + + >>> import certifi + + >>> certifi.where() + '/usr/local/lib/python3.7/site-packages/certifi/cacert.pem' + +Or from the command line:: + + $ python -m certifi + /usr/local/lib/python3.7/site-packages/certifi/cacert.pem + +Enjoy! + +.. _`Requests`: https://requests.readthedocs.io/en/master/ + +Addition/Removal of Certificates +-------------------------------- + +Certifi does not support any addition/removal or other modification of the +CA trust store content. This project is intended to provide a reliable and +highly portable root of trust to python deployments. Look to upstream projects +for methods to use alternate trust. diff --git a/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/RECORD b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/RECORD new file mode 100644 index 0000000..12374b0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/RECORD @@ -0,0 +1,14 @@ +certifi-2024.8.30.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +certifi-2024.8.30.dist-info/LICENSE,sha256=6TcW2mucDVpKHfYP5pWzcPBpVgPSH2-D8FPkLPwQyvc,989 +certifi-2024.8.30.dist-info/METADATA,sha256=GhBHRVUN6a4ZdUgE_N5wmukJfyuoE-QyIl8Y3ifNQBM,2222 +certifi-2024.8.30.dist-info/RECORD,, +certifi-2024.8.30.dist-info/WHEEL,sha256=UvcQYKBHoFqaQd6LKyqHw9fxEolWLQnlzP0h_LgJAfI,91 +certifi-2024.8.30.dist-info/top_level.txt,sha256=KMu4vUCfsjLrkPbSNdgdekS-pVJzBAJFO__nI8NF6-U,8 +certifi/__init__.py,sha256=p_GYZrjUwPBUhpLlCZoGb0miKBKSqDAyZC5DvIuqbHQ,94 +certifi/__main__.py,sha256=xBBoj905TUWBLRGANOcf7oi6e-3dMP4cEoG9OyMs11g,243 +certifi/__pycache__/__init__.cpython-312.pyc,, +certifi/__pycache__/__main__.cpython-312.pyc,, +certifi/__pycache__/core.cpython-312.pyc,, +certifi/cacert.pem,sha256=lO3rZukXdPyuk6BWUJFOKQliWaXH6HGh9l1GGrUgG0c,299427 +certifi/core.py,sha256=qRDDFyXVJwTB_EmoGppaXU_R9qCZvhl-EzxPMuV3nTA,4426 +certifi/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 diff --git a/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/WHEEL b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/WHEEL new file mode 100644 index 0000000..57e56b7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: setuptools (74.0.0) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/top_level.txt new file mode 100644 index 0000000..963eac5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi-2024.8.30.dist-info/top_level.txt @@ -0,0 +1 @@ +certifi diff --git a/venv/lib/python3.12/site-packages/certifi/__init__.py b/venv/lib/python3.12/site-packages/certifi/__init__.py new file mode 100644 index 0000000..f61d77f --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi/__init__.py @@ -0,0 +1,4 @@ +from .core import contents, where + +__all__ = ["contents", "where"] +__version__ = "2024.08.30" diff --git a/venv/lib/python3.12/site-packages/certifi/__main__.py b/venv/lib/python3.12/site-packages/certifi/__main__.py new file mode 100644 index 0000000..8945b5d --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi/__main__.py @@ -0,0 +1,12 @@ +import argparse + +from certifi import contents, where + +parser = argparse.ArgumentParser() +parser.add_argument("-c", "--contents", action="store_true") +args = parser.parse_args() + +if args.contents: + print(contents()) +else: + print(where()) diff --git a/venv/lib/python3.12/site-packages/certifi/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/certifi/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..f9cc796 Binary files /dev/null and b/venv/lib/python3.12/site-packages/certifi/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/certifi/__pycache__/__main__.cpython-312.pyc b/venv/lib/python3.12/site-packages/certifi/__pycache__/__main__.cpython-312.pyc new file mode 100644 index 0000000..ab8a9eb Binary files /dev/null and b/venv/lib/python3.12/site-packages/certifi/__pycache__/__main__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/certifi/__pycache__/core.cpython-312.pyc b/venv/lib/python3.12/site-packages/certifi/__pycache__/core.cpython-312.pyc new file mode 100644 index 0000000..34019fd Binary files /dev/null and b/venv/lib/python3.12/site-packages/certifi/__pycache__/core.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/certifi/cacert.pem b/venv/lib/python3.12/site-packages/certifi/cacert.pem new file mode 100644 index 0000000..3c165a1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/certifi/cacert.pem @@ -0,0 +1,4929 @@ + +# Issuer: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Subject: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Label: "GlobalSign Root CA" +# Serial: 4835703278459707669005204 +# MD5 Fingerprint: 3e:45:52:15:09:51:92:e1:b7:5d:37:9f:b1:87:29:8a +# SHA1 Fingerprint: b1:bc:96:8b:d4:f4:9d:62:2a:a8:9a:81:f2:15:01:52:a4:1d:82:9c +# SHA256 Fingerprint: eb:d4:10:40:e4:bb:3e:c7:42:c9:e3:81:d3:1e:f2:a4:1a:48:b6:68:5c:96:e7:ce:f3:c1:df:6c:d4:33:1c:99 +-----BEGIN CERTIFICATE----- +MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG +A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv +b3QgQ0ExGzAZBgNVBAMTEkdsb2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAw +MDBaFw0yODAxMjgxMjAwMDBaMFcxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9i +YWxTaWduIG52LXNhMRAwDgYDVQQLEwdSb290IENBMRswGQYDVQQDExJHbG9iYWxT +aWduIFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDaDuaZ +jc6j40+Kfvvxi4Mla+pIH/EqsLmVEQS98GPR4mdmzxzdzxtIK+6NiY6arymAZavp +xy0Sy6scTHAHoT0KMM0VjU/43dSMUBUc71DuxC73/OlS8pF94G3VNTCOXkNz8kHp +1Wrjsok6Vjk4bwY8iGlbKk3Fp1S4bInMm/k8yuX9ifUSPJJ4ltbcdG6TRGHRjcdG +snUOhugZitVtbNV4FpWi6cgKOOvyJBNPc1STE4U6G7weNLWLBYy5d4ux2x8gkasJ +U26Qzns3dLlwR5EiUWMWea6xrkEmCMgZK9FGqkjWZCrXgzT/LCrBbBlDSgeF59N8 +9iFo7+ryUp9/k5DPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8E +BTADAQH/MB0GA1UdDgQWBBRge2YaRQ2XyolQL30EzTSo//z9SzANBgkqhkiG9w0B +AQUFAAOCAQEA1nPnfE920I2/7LqivjTFKDK1fPxsnCwrvQmeU79rXqoRSLblCKOz +yj1hTdNGCbM+w6DjY1Ub8rrvrTnhQ7k4o+YviiY776BQVvnGCv04zcQLcFGUl5gE +38NflNUVyRRBnMRddWQVDf9VMOyGj/8N7yy5Y0b2qvzfvGn9LhJIZJrglfCm7ymP +AbEVtQwdpf5pLGkkeB6zpxxxYu7KyJesF12KwvhHhm4qxFYxldBniYUr+WymXUad +DKqC5JlR3XC321Y9YeRq4VzW9v493kHMB65jUr9TU/Qr6cf9tveCX4XSQRjbgbME +HMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A== +-----END CERTIFICATE----- + +# Issuer: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited +# Subject: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited +# Label: "Entrust.net Premium 2048 Secure Server CA" +# Serial: 946069240 +# MD5 Fingerprint: ee:29:31:bc:32:7e:9a:e6:e8:b5:f7:51:b4:34:71:90 +# SHA1 Fingerprint: 50:30:06:09:1d:97:d4:f5:ae:39:f7:cb:e7:92:7d:7d:65:2d:34:31 +# SHA256 Fingerprint: 6d:c4:71:72:e0:1c:bc:b0:bf:62:58:0d:89:5f:e2:b8:ac:9a:d4:f8:73:80:1e:0c:10:b9:c8:37:d2:1e:b1:77 +-----BEGIN CERTIFICATE----- +MIIEKjCCAxKgAwIBAgIEOGPe+DANBgkqhkiG9w0BAQUFADCBtDEUMBIGA1UEChML +RW50cnVzdC5uZXQxQDA+BgNVBAsUN3d3dy5lbnRydXN0Lm5ldC9DUFNfMjA0OCBp +bmNvcnAuIGJ5IHJlZi4gKGxpbWl0cyBsaWFiLikxJTAjBgNVBAsTHChjKSAxOTk5 +IEVudHJ1c3QubmV0IExpbWl0ZWQxMzAxBgNVBAMTKkVudHJ1c3QubmV0IENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5ICgyMDQ4KTAeFw05OTEyMjQxNzUwNTFaFw0yOTA3 +MjQxNDE1MTJaMIG0MRQwEgYDVQQKEwtFbnRydXN0Lm5ldDFAMD4GA1UECxQ3d3d3 +LmVudHJ1c3QubmV0L0NQU18yMDQ4IGluY29ycC4gYnkgcmVmLiAobGltaXRzIGxp +YWIuKTElMCMGA1UECxMcKGMpIDE5OTkgRW50cnVzdC5uZXQgTGltaXRlZDEzMDEG +A1UEAxMqRW50cnVzdC5uZXQgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgKDIwNDgp +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArU1LqRKGsuqjIAcVFmQq +K0vRvwtKTY7tgHalZ7d4QMBzQshowNtTK91euHaYNZOLGp18EzoOH1u3Hs/lJBQe +sYGpjX24zGtLA/ECDNyrpUAkAH90lKGdCCmziAv1h3edVc3kw37XamSrhRSGlVuX +MlBvPci6Zgzj/L24ScF2iUkZ/cCovYmjZy/Gn7xxGWC4LeksyZB2ZnuU4q941mVT +XTzWnLLPKQP5L6RQstRIzgUyVYr9smRMDuSYB3Xbf9+5CFVghTAp+XtIpGmG4zU/ +HoZdenoVve8AjhUiVBcAkCaTvA5JaJG/+EfTnZVCwQ5N328mz8MYIWJmQ3DW1cAH +4QIDAQABo0IwQDAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAdBgNV +HQ4EFgQUVeSB0RGAvtiJuQijMfmhJAkWuXAwDQYJKoZIhvcNAQEFBQADggEBADub +j1abMOdTmXx6eadNl9cZlZD7Bh/KM3xGY4+WZiT6QBshJ8rmcnPyT/4xmf3IDExo +U8aAghOY+rat2l098c5u9hURlIIM7j+VrxGrD9cv3h8Dj1csHsm7mhpElesYT6Yf +zX1XEC+bBAlahLVu2B064dae0Wx5XnkcFMXj0EyTO2U87d89vqbllRrDtRnDvV5b +u/8j72gZyxKTJ1wDLW8w0B62GqzeWvfRqqgnpv55gcR5mTNXuhKwqeBCbJPKVt7+ +bYQLCIt+jerXmCHG8+c8eS9enNFMFY3h7CI3zJpDC5fcgJCNs2ebb0gIFVbPv/Er +fF6adulZkMV8gzURZVE= +-----END CERTIFICATE----- + +# Issuer: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust +# Subject: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust +# Label: "Baltimore CyberTrust Root" +# Serial: 33554617 +# MD5 Fingerprint: ac:b6:94:a5:9c:17:e0:d7:91:52:9b:b1:97:06:a6:e4 +# SHA1 Fingerprint: d4:de:20:d0:5e:66:fc:53:fe:1a:50:88:2c:78:db:28:52:ca:e4:74 +# SHA256 Fingerprint: 16:af:57:a9:f6:76:b0:ab:12:60:95:aa:5e:ba:de:f2:2a:b3:11:19:d6:44:ac:95:cd:4b:93:db:f3:f2:6a:eb +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIEAgAAuTANBgkqhkiG9w0BAQUFADBaMQswCQYDVQQGEwJJ +RTESMBAGA1UEChMJQmFsdGltb3JlMRMwEQYDVQQLEwpDeWJlclRydXN0MSIwIAYD +VQQDExlCYWx0aW1vcmUgQ3liZXJUcnVzdCBSb290MB4XDTAwMDUxMjE4NDYwMFoX +DTI1MDUxMjIzNTkwMFowWjELMAkGA1UEBhMCSUUxEjAQBgNVBAoTCUJhbHRpbW9y +ZTETMBEGA1UECxMKQ3liZXJUcnVzdDEiMCAGA1UEAxMZQmFsdGltb3JlIEN5YmVy +VHJ1c3QgUm9vdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKMEuyKr +mD1X6CZymrV51Cni4eiVgLGw41uOKymaZN+hXe2wCQVt2yguzmKiYv60iNoS6zjr +IZ3AQSsBUnuId9Mcj8e6uYi1agnnc+gRQKfRzMpijS3ljwumUNKoUMMo6vWrJYeK +mpYcqWe4PwzV9/lSEy/CG9VwcPCPwBLKBsua4dnKM3p31vjsufFoREJIE9LAwqSu +XmD+tqYF/LTdB1kC1FkYmGP1pWPgkAx9XbIGevOF6uvUA65ehD5f/xXtabz5OTZy +dc93Uk3zyZAsuT3lySNTPx8kmCFcB5kpvcY67Oduhjprl3RjM71oGDHweI12v/ye +jl0qhqdNkNwnGjkCAwEAAaNFMEMwHQYDVR0OBBYEFOWdWTCCR1jMrPoIVDaGezq1 +BE3wMBIGA1UdEwEB/wQIMAYBAf8CAQMwDgYDVR0PAQH/BAQDAgEGMA0GCSqGSIb3 +DQEBBQUAA4IBAQCFDF2O5G9RaEIFoN27TyclhAO992T9Ldcw46QQF+vaKSm2eT92 +9hkTI7gQCvlYpNRhcL0EYWoSihfVCr3FvDB81ukMJY2GQE/szKN+OMY3EU/t3Wgx +jkzSswF07r51XgdIGn9w/xZchMB5hbgF/X++ZRGjD8ACtPhSNzkE1akxehi/oCr0 +Epn3o0WC4zxe9Z2etciefC7IpJ5OCBRLbf1wbWsaY71k5h+3zvDyny67G7fyUIhz +ksLi4xaNmjICq44Y3ekQEe5+NauQrz4wlHrQMz2nZQ/1/I6eYs9HRCwBXbsdtTLS +R9I4LtD+gdwyah617jzV/OeBHRnDJELqYzmp +-----END CERTIFICATE----- + +# Issuer: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc. +# Subject: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc. +# Label: "Entrust Root Certification Authority" +# Serial: 1164660820 +# MD5 Fingerprint: d6:a5:c3:ed:5d:dd:3e:00:c1:3d:87:92:1f:1d:3f:e4 +# SHA1 Fingerprint: b3:1e:b1:b7:40:e3:6c:84:02:da:dc:37:d4:4d:f5:d4:67:49:52:f9 +# SHA256 Fingerprint: 73:c1:76:43:4f:1b:c6:d5:ad:f4:5b:0e:76:e7:27:28:7c:8d:e5:76:16:c1:e6:e6:14:1a:2b:2c:bc:7d:8e:4c +-----BEGIN CERTIFICATE----- +MIIEkTCCA3mgAwIBAgIERWtQVDANBgkqhkiG9w0BAQUFADCBsDELMAkGA1UEBhMC +VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xOTA3BgNVBAsTMHd3dy5lbnRydXN0 +Lm5ldC9DUFMgaXMgaW5jb3Jwb3JhdGVkIGJ5IHJlZmVyZW5jZTEfMB0GA1UECxMW +KGMpIDIwMDYgRW50cnVzdCwgSW5jLjEtMCsGA1UEAxMkRW50cnVzdCBSb290IENl +cnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA2MTEyNzIwMjM0MloXDTI2MTEyNzIw +NTM0MlowgbAxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMTkw +NwYDVQQLEzB3d3cuZW50cnVzdC5uZXQvQ1BTIGlzIGluY29ycG9yYXRlZCBieSBy +ZWZlcmVuY2UxHzAdBgNVBAsTFihjKSAyMDA2IEVudHJ1c3QsIEluYy4xLTArBgNV 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OU=Go Daddy Class 2 Certification Authority +# Subject: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority +# Label: "Go Daddy Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 91:de:06:25:ab:da:fd:32:17:0c:bb:25:17:2a:84:67 +# SHA1 Fingerprint: 27:96:ba:e6:3f:18:01:e2:77:26:1b:a0:d7:77:70:02:8f:20:ee:e4 +# SHA256 Fingerprint: c3:84:6b:f2:4b:9e:93:ca:64:27:4c:0e:c6:7c:1e:cc:5e:02:4f:fc:ac:d2:d7:40:19:35:0e:81:fe:54:6a:e4 +-----BEGIN CERTIFICATE----- +MIIEADCCAuigAwIBAgIBADANBgkqhkiG9w0BAQUFADBjMQswCQYDVQQGEwJVUzEh +MB8GA1UEChMYVGhlIEdvIERhZGR5IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBE +YWRkeSBDbGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA0MDYyOTE3 +MDYyMFoXDTM0MDYyOTE3MDYyMFowYzELMAkGA1UEBhMCVVMxITAfBgNVBAoTGFRo +ZSBHbyBEYWRkeSBHcm91cCwgSW5jLjExMC8GA1UECxMoR28gRGFkZHkgQ2xhc3Mg +MiBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTCCASAwDQYJKoZIhvcNAQEBBQADggEN +ADCCAQgCggEBAN6d1+pXGEmhW+vXX0iG6r7d/+TvZxz0ZWizV3GgXne77ZtJ6XCA +PVYYYwhv2vLM0D9/AlQiVBDYsoHUwHU9S3/Hd8M+eKsaA7Ugay9qK7HFiH7Eux6w +wdhFJ2+qN1j3hybX2C32qRe3H3I2TqYXP2WYktsqbl2i/ojgC95/5Y0V4evLOtXi +EqITLdiOr18SPaAIBQi2XKVlOARFmR6jYGB0xUGlcmIbYsUfb18aQr4CUWWoriMY +avx4A6lNf4DD+qta/KFApMoZFv6yyO9ecw3ud72a9nmYvLEHZ6IVDd2gWMZEewo+ +YihfukEHU1jPEX44dMX4/7VpkI+EdOqXG68CAQOjgcAwgb0wHQYDVR0OBBYEFNLE +sNKR1EwRcbNhyz2h/t2oatTjMIGNBgNVHSMEgYUwgYKAFNLEsNKR1EwRcbNhyz2h +/t2oatTjoWekZTBjMQswCQYDVQQGEwJVUzEhMB8GA1UEChMYVGhlIEdvIERhZGR5 +IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBEYWRkeSBDbGFzcyAyIENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQAD +ggEBADJL87LKPpH8EsahB4yOd6AzBhRckB4Y9wimPQoZ+YeAEW5p5JYXMP80kWNy +OO7MHAGjHZQopDH2esRU1/blMVgDoszOYtuURXO1v0XJJLXVggKtI3lpjbi2Tc7P +TMozI+gciKqdi0FuFskg5YmezTvacPd+mSYgFFQlq25zheabIZ0KbIIOqPjCDPoQ +HmyW74cNxA9hi63ugyuV+I6ShHI56yDqg+2DzZduCLzrTia2cyvk0/ZM/iZx4mER +dEr/VxqHD3VILs9RaRegAhJhldXRQLIQTO7ErBBDpqWeCtWVYpoNz4iCxTIM5Cuf +ReYNnyicsbkqWletNw+vHX/bvZ8= +-----END CERTIFICATE----- + +# Issuer: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Subject: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Label: "Starfield Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 32:4a:4b:bb:c8:63:69:9b:be:74:9a:c6:dd:1d:46:24 +# SHA1 Fingerprint: ad:7e:1c:28:b0:64:ef:8f:60:03:40:20:14:c3:d0:e3:37:0e:b5:8a +# SHA256 Fingerprint: 14:65:fa:20:53:97:b8:76:fa:a6:f0:a9:95:8e:55:90:e4:0f:cc:7f:aa:4f:b7:c2:c8:67:75:21:fb:5f:b6:58 +-----BEGIN CERTIFICATE----- +MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl +MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp +U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw +NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE +ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp +ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3 +DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf +8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN ++lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0 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O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Assured ID Root CA" +# Serial: 17154717934120587862167794914071425081 +# MD5 Fingerprint: 87:ce:0b:7b:2a:0e:49:00:e1:58:71:9b:37:a8:93:72 +# SHA1 Fingerprint: 05:63:b8:63:0d:62:d7:5a:bb:c8:ab:1e:4b:df:b5:a8:99:b2:4d:43 +# SHA256 Fingerprint: 3e:90:99:b5:01:5e:8f:48:6c:00:bc:ea:9d:11:1e:e7:21:fa:ba:35:5a:89:bc:f1:df:69:56:1e:3d:c6:32:5c +-----BEGIN CERTIFICATE----- +MIIDtzCCAp+gAwIBAgIQDOfg5RfYRv6P5WD8G/AwOTANBgkqhkiG9w0BAQUFADBl +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv +b3QgQ0EwHhcNMDYxMTEwMDAwMDAwWhcNMzExMTEwMDAwMDAwWjBlMQswCQYDVQQG +EwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNl +cnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgQ0EwggEi +MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCtDhXO5EOAXLGH87dg+XESpa7c +JpSIqvTO9SA5KFhgDPiA2qkVlTJhPLWxKISKityfCgyDF3qPkKyK53lTXDGEKvYP 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+# Serial: 10944719598952040374951832963794454346 +# MD5 Fingerprint: 79:e4:a9:84:0d:7d:3a:96:d7:c0:4f:e2:43:4c:89:2e +# SHA1 Fingerprint: a8:98:5d:3a:65:e5:e5:c4:b2:d7:d6:6d:40:c6:dd:2f:b1:9c:54:36 +# SHA256 Fingerprint: 43:48:a0:e9:44:4c:78:cb:26:5e:05:8d:5e:89:44:b4:d8:4f:96:62:bd:26:db:25:7f:89:34:a4:43:c7:01:61 +-----BEGIN CERTIFICATE----- +MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD +QTAeFw0wNjExMTAwMDAwMDBaFw0zMTExMTAwMDAwMDBaMGExCzAJBgNVBAYTAlVT +MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j +b20xIDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IENBMIIBIjANBgkqhkiG +9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jvhEXLeqKTTo1eqUKKPC3eQyaKl7hLOllsB +CSDMAZOnTjC3U/dDxGkAV53ijSLdhwZAAIEJzs4bg7/fzTtxRuLWZscFs3YnFo97 +nh6Vfe63SKMI2tavegw5BmV/Sl0fvBf4q77uKNd0f3p4mVmFaG5cIzJLv07A6Fpt 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3553400076410547919724730734378100087 +# MD5 Fingerprint: d4:74:de:57:5c:39:b2:d3:9c:85:83:c5:c0:65:49:8a +# SHA1 Fingerprint: 5f:b7:ee:06:33:e2:59:db:ad:0c:4c:9a:e6:d3:8f:1a:61:c7:dc:25 +# SHA256 Fingerprint: 74:31:e5:f4:c3:c1:ce:46:90:77:4f:0b:61:e0:54:40:88:3b:a9:a0:1e:d0:0b:a6:ab:d7:80:6e:d3:b1:18:cf +-----BEGIN CERTIFICATE----- +MIIDxTCCAq2gAwIBAgIQAqxcJmoLQJuPC3nyrkYldzANBgkqhkiG9w0BAQUFADBs +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSswKQYDVQQDEyJEaWdpQ2VydCBIaWdoIEFzc3VyYW5j +ZSBFViBSb290IENBMB4XDTA2MTExMDAwMDAwMFoXDTMxMTExMDAwMDAwMFowbDEL +MAkGA1UEBhMCVVMxFTATBgNVBAoTDERpZ2lDZXJ0IEluYzEZMBcGA1UECxMQd3d3 +LmRpZ2ljZXJ0LmNvbTErMCkGA1UEAxMiRGlnaUNlcnQgSGlnaCBBc3N1cmFuY2Ug +RVYgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMbM5XPm ++9S75S0tMqbf5YE/yc0lSbZxKsPVlDRnogocsF9ppkCxxLeyj9CYpKlBWTrT3JTW +PNt0OKRKzE0lgvdKpVMSOO7zSW1xkX5jtqumX8OkhPhPYlG++MXs2ziS4wblCJEM +xChBVfvLWokVfnHoNb9Ncgk9vjo4UFt3MRuNs8ckRZqnrG0AFFoEt7oT61EKmEFB 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d8:c5:38:8a:b7:30:1b:1b:6e:d4:7a:e6:45:25:3a:6f:9f:1a:27:61 +# SHA256 Fingerprint: 62:dd:0b:e9:b9:f5:0a:16:3e:a0:f8:e7:5c:05:3b:1e:ca:57:ea:55:c8:68:8f:64:7c:68:81:f2:c8:35:7b:95 +-----BEGIN CERTIFICATE----- +MIIFujCCA6KgAwIBAgIJALtAHEP1Xk+wMA0GCSqGSIb3DQEBBQUAMEUxCzAJBgNV +BAYTAkNIMRUwEwYDVQQKEwxTd2lzc1NpZ24gQUcxHzAdBgNVBAMTFlN3aXNzU2ln +biBHb2xkIENBIC0gRzIwHhcNMDYxMDI1MDgzMDM1WhcNMzYxMDI1MDgzMDM1WjBF +MQswCQYDVQQGEwJDSDEVMBMGA1UEChMMU3dpc3NTaWduIEFHMR8wHQYDVQQDExZT +d2lzc1NpZ24gR29sZCBDQSAtIEcyMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC +CgKCAgEAr+TufoskDhJuqVAtFkQ7kpJcyrhdhJJCEyq8ZVeCQD5XJM1QiyUqt2/8 +76LQwB8CJEoTlo8jE+YoWACjR8cGp4QjK7u9lit/VcyLwVcfDmJlD909Vopz2q5+ +bbqBHH5CjCA12UNNhPqE21Is8w4ndwtrvxEvcnifLtg+5hg3Wipy+dpikJKVyh+c +6bM8K8vzARO/Ws/BtQpgvd21mWRTuKCWs2/iJneRjOBiEAKfNA+k1ZIzUd6+jbqE +emA8atufK+ze3gE/bk3lUIbLtK/tREDFylqM2tIrfKjuvqblCqoOpd8FUrdVxyJd +MmqXl2MT28nbeTZ7hTpKxVKJ+STnnXepgv9VHKVxaSvRAiTysybUa9oEVeXBCsdt +MDeQKuSeFDNeFhdVxVu1yzSJkvGdJo+hB9TGsnhQ2wwMC3wLjEHXuendjIj3o02y 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CA" +# Serial: 17199774589125277788362757014266862032 +# MD5 Fingerprint: dc:32:c3:a7:6d:25:57:c7:68:09:9d:ea:2d:a9:a2:d1 +# SHA1 Fingerprint: 87:82:c6:c3:04:35:3b:cf:d2:96:92:d2:59:3e:7d:44:d9:34:ff:11 +# SHA256 Fingerprint: f1:c1:b5:0a:e5:a2:0d:d8:03:0e:c9:f6:bc:24:82:3d:d3:67:b5:25:57:59:b4:e7:1b:61:fc:e9:f7:37:5d:73 +-----BEGIN CERTIFICATE----- +MIIDuDCCAqCgAwIBAgIQDPCOXAgWpa1Cf/DrJxhZ0DANBgkqhkiG9w0BAQUFADBI +MQswCQYDVQQGEwJVUzEgMB4GA1UEChMXU2VjdXJlVHJ1c3QgQ29ycG9yYXRpb24x +FzAVBgNVBAMTDlNlY3VyZVRydXN0IENBMB4XDTA2MTEwNzE5MzExOFoXDTI5MTIz +MTE5NDA1NVowSDELMAkGA1UEBhMCVVMxIDAeBgNVBAoTF1NlY3VyZVRydXN0IENv +cnBvcmF0aW9uMRcwFQYDVQQDEw5TZWN1cmVUcnVzdCBDQTCCASIwDQYJKoZIhvcN +AQEBBQADggEPADCCAQoCggEBAKukgeWVzfX2FI7CT8rU4niVWJxB4Q2ZQCQXOZEz +Zum+4YOvYlyJ0fwkW2Gz4BERQRwdbvC4u/jep4G6pkjGnx29vo6pQT64lO0pGtSO +0gMdA+9tDWccV9cGrcrI9f4Or2YlSASWC12juhbDCE/RRvgUXPLIXgGZbf2IzIao +wW8xQmxSPmjL8xk037uHGFaAJsTQ3MBv396gwpEWoGQRS0S8Hvbn+mPeZqx2pHGj 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cf:f4:27:0d:d4:ed:dc:65:16:49:6d:3d:da:bf:6e:de +# SHA1 Fingerprint: 3a:44:73:5a:e5:81:90:1f:24:86:61:46:1e:3b:9c:c4:5f:f5:3a:1b +# SHA256 Fingerprint: 42:00:f5:04:3a:c8:59:0e:bb:52:7d:20:9e:d1:50:30:29:fb:cb:d4:1c:a1:b5:06:ec:27:f1:5a:de:7d:ac:69 +-----BEGIN CERTIFICATE----- +MIIDvDCCAqSgAwIBAgIQB1YipOjUiolN9BPI8PjqpTANBgkqhkiG9w0BAQUFADBK +MQswCQYDVQQGEwJVUzEgMB4GA1UEChMXU2VjdXJlVHJ1c3QgQ29ycG9yYXRpb24x +GTAXBgNVBAMTEFNlY3VyZSBHbG9iYWwgQ0EwHhcNMDYxMTA3MTk0MjI4WhcNMjkx +MjMxMTk1MjA2WjBKMQswCQYDVQQGEwJVUzEgMB4GA1UEChMXU2VjdXJlVHJ1c3Qg +Q29ycG9yYXRpb24xGTAXBgNVBAMTEFNlY3VyZSBHbG9iYWwgQ0EwggEiMA0GCSqG +SIb3DQEBAQUAA4IBDwAwggEKAoIBAQCvNS7YrGxVaQZx5RNoJLNP2MwhR/jxYDiJ +iQPpvepeRlMJ3Fz1Wuj3RSoC6zFh1ykzTM7HfAo3fg+6MpjhHZevj8fcyTiW89sa +/FHtaMbQbqR8JNGuQsiWUGMu4P51/pinX0kuleM5M2SOHqRfkNJnPLLZ/kG5VacJ +jnIFHovdRIWCQtBJwB1g8NEXLJXr9qXBkqPFwqcIYA1gBBCWeZ4WNOaptvolRTnI +HmX5k/Wq8VLcmZg9pYYaDDUz+kulBAYVHDGA76oYa8J719rO+TMg1fW9ajMtgQT7 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Fingerprint: 66:31:bf:9e:f7:4f:9e:b6:c9:d5:a6:0c:ba:6a:be:d1:f7:bd:ef:7b +# SHA256 Fingerprint: 0c:2c:d6:3d:f7:80:6f:a3:99:ed:e8:09:11:6b:57:5b:f8:79:89:f0:65:18:f9:80:8c:86:05:03:17:8b:af:66 +-----BEGIN CERTIFICATE----- +MIIEHTCCAwWgAwIBAgIQToEtioJl4AsC7j41AkblPTANBgkqhkiG9w0BAQUFADCB +gTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G +A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxJzAlBgNV +BAMTHkNPTU9ETyBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0wNjEyMDEwMDAw +MDBaFw0yOTEyMzEyMzU5NTlaMIGBMQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3Jl +YXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRowGAYDVQQKExFDT01P +RE8gQ0EgTGltaXRlZDEnMCUGA1UEAxMeQ09NT0RPIENlcnRpZmljYXRpb24gQXV0 +aG9yaXR5MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0ECLi3LjkRv3 +UcEbVASY06m/weaKXTuH+7uIzg3jLz8GlvCiKVCZrts7oVewdFFxze1CkU1B/qnI +2GqGd0S7WWaXUF601CxwRM/aN5VCaTwwxHGzUvAhTaHYujl8HJ6jJJ3ygxaYqhZ8 +Q5sVW7euNJH+1GImGEaaP+vB+fGQV+useg2L23IwambV4EajcNxo2f8ESIl33rXp 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MD5 Fingerprint: 7c:62:ff:74:9d:31:53:5e:68:4a:d5:78:aa:1e:bf:23 +# SHA1 Fingerprint: 9f:74:4e:9f:2b:4d:ba:ec:0f:31:2c:50:b6:56:3b:8e:2d:93:c3:11 +# SHA256 Fingerprint: 17:93:92:7a:06:14:54:97:89:ad:ce:2f:8f:34:f7:f0:b6:6d:0f:3a:e3:a3:b8:4d:21:ec:15:db:ba:4f:ad:c7 +-----BEGIN CERTIFICATE----- +MIICiTCCAg+gAwIBAgIQH0evqmIAcFBUTAGem2OZKjAKBggqhkjOPQQDAzCBhTEL +MAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UE +BxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxKzApBgNVBAMT +IkNPTU9ETyBFQ0MgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDgwMzA2MDAw +MDAwWhcNMzgwMTE4MjM1OTU5WjCBhTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdy +ZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09N +T0RPIENBIExpbWl0ZWQxKzApBgNVBAMTIkNPTU9ETyBFQ0MgQ2VydGlmaWNhdGlv +biBBdXRob3JpdHkwdjAQBgcqhkjOPQIBBgUrgQQAIgNiAAQDR3svdcmCFYX7deSR +FtSrYpn1PlILBs5BAH+X4QokPB0BBO490o0JlwzgdeT6+3eKKvUDYEs2ixYjFq0J +cfRK9ChQtP6IHG4/bC8vCVlbpVsLM5niwz2J+Wos77LTBumjQjBAMB0GA1UdDgQW 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OU=ePKI Root Certification Authority +# Subject: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority +# Label: "ePKI Root Certification Authority" +# Serial: 28956088682735189655030529057352760477 +# MD5 Fingerprint: 1b:2e:00:ca:26:06:90:3d:ad:fe:6f:15:68:d3:6b:b3 +# SHA1 Fingerprint: 67:65:0d:f1:7e:8e:7e:5b:82:40:a4:f4:56:4b:cf:e2:3d:69:c6:f0 +# SHA256 Fingerprint: c0:a6:f4:dc:63:a2:4b:fd:cf:54:ef:2a:6a:08:2a:0a:72:de:35:80:3e:2f:f5:ff:52:7a:e5:d8:72:06:df:d5 +-----BEGIN CERTIFICATE----- +MIIFsDCCA5igAwIBAgIQFci9ZUdcr7iXAF7kBtK8nTANBgkqhkiG9w0BAQUFADBe +MQswCQYDVQQGEwJUVzEjMCEGA1UECgwaQ2h1bmdod2EgVGVsZWNvbSBDby4sIEx0 +ZC4xKjAoBgNVBAsMIWVQS0kgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe +Fw0wNDEyMjAwMjMxMjdaFw0zNDEyMjAwMjMxMjdaMF4xCzAJBgNVBAYTAlRXMSMw +IQYDVQQKDBpDaHVuZ2h3YSBUZWxlY29tIENvLiwgTHRkLjEqMCgGA1UECwwhZVBL +SSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIICIjANBgkqhkiG9w0BAQEF +AAOCAg8AMIICCgKCAgEA4SUP7o3biDN1Z82tH306Tm2d0y8U82N0ywEhajfqhFAH +SyZbCUNsIZ5qyNUD9WBpj8zwIuQf5/dqIjG3LBXy4P4AakP/h2XGtRrBp0xtInAh +ijHyl3SJCRImHJ7K2RKilTza6We/CKBk49ZCt0Xvl/T29de1ShUCWH2YWEtgvM3X +DZoTM1PRYfl61dd4s5oz9wCGzh1NlDivqOx4UXCKXBCDUSH3ET00hl7lSM2XgYI1 +TBnsZfZrxQWh7kcT1rMhJ5QQCtkkO7q+RBNGMD+XPNjX12ruOzjjK9SXDrkb5wdJ +fzcq+Xd4z1TtW0ado4AOkUPB1ltfFLqfpo0kR0BZv3I4sjZsN/+Z0V0OWQqraffA +sgRFelQArr5T9rXn4fg8ozHSqf4hUmTFpmfwdQcGlBSBVcYn5AGPF8Fqcde+S/uU +WH1+ETOxQvdibBjWzwloPn9s9h6PYq2lY9sJpx8iQkEeb5mKPtf5P0B6ebClAZLS +nT0IFaUQAS2zMnaolQ2zepr7BxB4EW/hj8e6DyUadCrlHJhBmd8hh+iVBmoKs2pH +dmX2Os+PYhcZewoozRrSgx4hxyy/vv9haLdnG7t4TY3OZ+XkwY63I2binZB1NJip +NiuKmpS5nezMirH4JYlcWrYvjB9teSSnUmjDhDXiZo1jDiVN1Rmy5nk3pyKdVDEC +AwEAAaNqMGgwHQYDVR0OBBYEFB4M97Zn8uGSJglFwFU5Lnc/QkqiMAwGA1UdEwQF +MAMBAf8wOQYEZyoHAAQxMC8wLQIBADAJBgUrDgMCGgUAMAcGBWcqAwAABBRFsMLH +ClZ87lt4DJX5GFPBphzYEDANBgkqhkiG9w0BAQUFAAOCAgEACbODU1kBPpVJufGB +uvl2ICO1J2B01GqZNF5sAFPZn/KmsSQHRGoqxqWOeBLoR9lYGxMqXnmbnwoqZ6Yl +PwZpVnPDimZI+ymBV3QGypzqKOg4ZyYr8dW1P2WT+DZdjo2NQCCHGervJ8A9tDkP +JXtoUHRVnAxZfVo9QZQlUgjgRywVMRnVvwdVxrsStZf0X4OFunHB2WyBEXYKCrC/ +gpf36j36+uwtqSiUO1bd0lEursC9CBWMd1I0ltabrNMdjmEPNXubrjlpC2JgQCA2 +j6/7Nu4tCEoduL+bXPjqpRugc6bY+G7gMwRfaKonh+3ZwZCc7b3jajWvY9+rGNm6 +5ulK6lCKD2GTHuItGeIwlDWSXQ62B68ZgI9HkFFLLk3dheLSClIKF5r8GrBQAuUB +o2M3IUxExJtRmREOc5wGj1QupyheRDmHVi03vYVElOEMSyycw5KFNGHLD7ibSkNS +/jQ6fbjpKdx2qcgw+BRxgMYeNkh0IkFch4LoGHGLQYlE535YW6i4jRPpp2zDR+2z +Gp1iro2C6pSe3VkQw63d4k3jMdXH7OjysP6SHhYKGvzZ8/gntsm+HbRsZJB/9OTE +W9c3rkIO3aQab3yIVMUWbuF6aC74Or8NpDyJO3inTmODBCEIZ43ygknQW/2xzQ+D +hNQ+IIX3Sj0rnP0qCglN6oH4EZw= +-----END CERTIFICATE----- + +# Issuer: O=certSIGN OU=certSIGN ROOT CA +# Subject: O=certSIGN OU=certSIGN ROOT CA +# Label: "certSIGN ROOT CA" +# Serial: 35210227249154 +# MD5 Fingerprint: 18:98:c0:d6:e9:3a:fc:f9:b0:f5:0c:f7:4b:01:44:17 +# SHA1 Fingerprint: fa:b7:ee:36:97:26:62:fb:2d:b0:2a:f6:bf:03:fd:e8:7c:4b:2f:9b +# SHA256 Fingerprint: ea:a9:62:c4:fa:4a:6b:af:eb:e4:15:19:6d:35:1c:cd:88:8d:4f:53:f3:fa:8a:e6:d7:c4:66:a9:4e:60:42:bb +-----BEGIN CERTIFICATE----- +MIIDODCCAiCgAwIBAgIGIAYFFnACMA0GCSqGSIb3DQEBBQUAMDsxCzAJBgNVBAYT +AlJPMREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBD +QTAeFw0wNjA3MDQxNzIwMDRaFw0zMTA3MDQxNzIwMDRaMDsxCzAJBgNVBAYTAlJP +MREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBDQTCC +ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALczuX7IJUqOtdu0KBuqV5Do +0SLTZLrTk+jUrIZhQGpgV2hUhE28alQCBf/fm5oqrl0Hj0rDKH/v+yv6efHHrfAQ +UySQi2bJqIirr1qjAOm+ukbuW3N7LBeCgV5iLKECZbO9xSsAfsT8AzNXDe3i+s5d +RdY4zTW2ssHQnIFKquSyAVwdj1+ZxLGt24gh65AIgoDzMKND5pCCrlUoSe1b16kQ +OA7+j0xbm0bqQfWwCHTD0IgztnzXdN/chNFDDnU5oSVAKOp4yw4sLjmdjItuFhwv +JoIQ4uNllAoEwF73XVv4EOLQunpL+943AAAaWyjj0pxzPjKHmKHJUS/X3qwzs08C +AwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAcYwHQYDVR0O +BBYEFOCMm9slSbPxfIbWskKHC9BroNnkMA0GCSqGSIb3DQEBBQUAA4IBAQA+0hyJ +LjX8+HXd5n9liPRyTMks1zJO890ZeUe9jjtbkw9QSSQTaxQGcu8J06Gh40CEyecY +MnQ8SG4Pn0vU9x7Tk4ZkVJdjclDVVc/6IJMCopvDI5NOFlV2oHB5bc0hH88vLbwZ +44gx+FkagQnIl6Z0x2DEW8xXjrJ1/RsCCdtZb3KTafcxQdaIOL+Hsr0Wefmq5L6I +Jd1hJyMctTEHBDa0GpC9oHRxUIltvBTjD4au8as+x6AJzKNI0eDbZOeStc+vckNw +i/nDhDwTqn6Sm1dTk/pwwpEOMfmbZ13pljheX7NzTogVZ96edhBiIL5VaZVDADlN +9u6wWk5JRFRYX0KD +-----END CERTIFICATE----- + +# Issuer: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Subject: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Label: "NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny" +# Serial: 80544274841616 +# MD5 Fingerprint: c5:a1:b7:ff:73:dd:d6:d7:34:32:18:df:fc:3c:ad:88 +# SHA1 Fingerprint: 06:08:3f:59:3f:15:a1:04:a0:69:a4:6b:a9:03:d0:06:b7:97:09:91 +# SHA256 Fingerprint: 6c:61:da:c3:a2:de:f0:31:50:6b:e0:36:d2:a6:fe:40:19:94:fb:d1:3d:f9:c8:d4:66:59:92:74:c4:46:ec:98 +-----BEGIN CERTIFICATE----- +MIIEFTCCAv2gAwIBAgIGSUEs5AAQMA0GCSqGSIb3DQEBCwUAMIGnMQswCQYDVQQG +EwJIVTERMA8GA1UEBwwIQnVkYXBlc3QxFTATBgNVBAoMDE5ldExvY2sgS2Z0LjE3 +MDUGA1UECwwuVGFuw7pzw610dsOhbnlraWFkw7NrIChDZXJ0aWZpY2F0aW9uIFNl +cnZpY2VzKTE1MDMGA1UEAwwsTmV0TG9jayBBcmFueSAoQ2xhc3MgR29sZCkgRsWR +dGFuw7pzw610dsOhbnkwHhcNMDgxMjExMTUwODIxWhcNMjgxMjA2MTUwODIxWjCB +pzELMAkGA1UEBhMCSFUxETAPBgNVBAcMCEJ1ZGFwZXN0MRUwEwYDVQQKDAxOZXRM +b2NrIEtmdC4xNzA1BgNVBAsMLlRhbsO6c8OtdHbDoW55a2lhZMOzayAoQ2VydGlm +aWNhdGlvbiBTZXJ2aWNlcykxNTAzBgNVBAMMLE5ldExvY2sgQXJhbnkgKENsYXNz 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Services, Inc. +# Subject: CN=SecureSign RootCA11 O=Japan Certification Services, Inc. +# Label: "SecureSign RootCA11" +# Serial: 1 +# MD5 Fingerprint: b7:52:74:e2:92:b4:80:93:f2:75:e4:cc:d7:f2:ea:26 +# SHA1 Fingerprint: 3b:c4:9f:48:f8:f3:73:a0:9c:1e:bd:f8:5b:b1:c3:65:c7:d8:11:b3 +# SHA256 Fingerprint: bf:0f:ee:fb:9e:3a:58:1a:d5:f9:e9:db:75:89:98:57:43:d2:61:08:5c:4d:31:4f:6f:5d:72:59:aa:42:16:12 +-----BEGIN CERTIFICATE----- +MIIDbTCCAlWgAwIBAgIBATANBgkqhkiG9w0BAQUFADBYMQswCQYDVQQGEwJKUDEr +MCkGA1UEChMiSmFwYW4gQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcywgSW5jLjEcMBoG +A1UEAxMTU2VjdXJlU2lnbiBSb290Q0ExMTAeFw0wOTA0MDgwNDU2NDdaFw0yOTA0 +MDgwNDU2NDdaMFgxCzAJBgNVBAYTAkpQMSswKQYDVQQKEyJKYXBhbiBDZXJ0aWZp +Y2F0aW9uIFNlcnZpY2VzLCBJbmMuMRwwGgYDVQQDExNTZWN1cmVTaWduIFJvb3RD +QTExMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/XeqpRyQBTvLTJsz +i1oURaTnkBbR31fSIRCkF/3frNYfp+TbfPfs37gD2pRY/V1yfIw/XwFndBWW4wI8 +h9uuywGOwvNmxoVF9ALGOrVisq/6nL+k5tSAMJjzDbaTj6nU2DbysPyKyiyhFTOV 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Fingerprint: 89:df:74:fe:5c:f4:0f:4a:80:f9:e3:37:7d:54:da:91:e1:01:31:8e +# SHA256 Fingerprint: 3c:5f:81:fe:a5:fa:b8:2c:64:bf:a2:ea:ec:af:cd:e8:e0:77:fc:86:20:a7:ca:e5:37:16:3d:f3:6e:db:f3:78 +-----BEGIN CERTIFICATE----- +MIIECjCCAvKgAwIBAgIJAMJ+QwRORz8ZMA0GCSqGSIb3DQEBCwUAMIGCMQswCQYD +VQQGEwJIVTERMA8GA1UEBwwIQnVkYXBlc3QxFjAUBgNVBAoMDU1pY3Jvc2VjIEx0 +ZC4xJzAlBgNVBAMMHk1pY3Jvc2VjIGUtU3ppZ25vIFJvb3QgQ0EgMjAwOTEfMB0G +CSqGSIb3DQEJARYQaW5mb0BlLXN6aWduby5odTAeFw0wOTA2MTYxMTMwMThaFw0y +OTEyMzAxMTMwMThaMIGCMQswCQYDVQQGEwJIVTERMA8GA1UEBwwIQnVkYXBlc3Qx +FjAUBgNVBAoMDU1pY3Jvc2VjIEx0ZC4xJzAlBgNVBAMMHk1pY3Jvc2VjIGUtU3pp +Z25vIFJvb3QgQ0EgMjAwOTEfMB0GCSqGSIb3DQEJARYQaW5mb0BlLXN6aWduby5o +dTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOn4j/NjrdqG2KfgQvvP +kd6mJviZpWNwrZuuyjNAfW2WbqEORO7hE52UQlKavXWFdCyoDh2Tthi3jCyoz/tc +cbna7P7ofo/kLx2yqHWH2Leh5TvPmUpG0IMZfcChEhyVbUr02MelTTMuhTlAdX4U +fIASmFDHQWe4oIBhVKZsTh/gnQ4H6cm6M+f+wFUoLAKApxn1ntxVUwOXewdI/5n7 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OU=Certum Certification Authority +# Subject: CN=Certum Trusted Network CA O=Unizeto Technologies S.A. 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OU=Security Communication RootCA2 +# Subject: O=SECOM Trust Systems CO.,LTD. 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2b:9b:9e:e4:7b:6c:1f:00:72:1a:cc:c1:77:79:df:6a +# SHA1 Fingerprint: 59:0d:2d:7d:88:4f:40:2e:61:7e:a5:62:32:17:65:cf:17:d8:94:e9 +# SHA256 Fingerprint: 91:e2:f5:78:8d:58:10:eb:a7:ba:58:73:7d:e1:54:8a:8e:ca:cd:01:45:98:bc:0b:14:3e:04:1b:17:05:25:52 +-----BEGIN CERTIFICATE----- +MIIDwzCCAqugAwIBAgIBATANBgkqhkiG9w0BAQsFADCBgjELMAkGA1UEBhMCREUx +KzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnByaXNlIFNlcnZpY2VzIEdtYkgxHzAd +BgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50ZXIxJTAjBgNVBAMMHFQtVGVsZVNl +YyBHbG9iYWxSb290IENsYXNzIDIwHhcNMDgxMDAxMTA0MDE0WhcNMzMxMDAxMjM1 +OTU5WjCBgjELMAkGA1UEBhMCREUxKzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnBy +aXNlIFNlcnZpY2VzIEdtYkgxHzAdBgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50 +ZXIxJTAjBgNVBAMMHFQtVGVsZVNlYyBHbG9iYWxSb290IENsYXNzIDIwggEiMA0G +CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCqX9obX+hzkeXaXPSi5kfl82hVYAUd +AqSzm1nzHoqvNK38DcLZSBnuaY/JIPwhqgcZ7bBcrGXHX+0CfHt8LRvWurmAwhiC +FoT6ZrAIxlQjgeTNuUk/9k9uN0goOA/FvudocP05l03Sx5iRUKrERLMjfTlH6VJi 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Subject: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited +# Label: "QuoVadis Root CA 2 G3" +# Serial: 390156079458959257446133169266079962026824725800 +# MD5 Fingerprint: af:0c:86:6e:bf:40:2d:7f:0b:3e:12:50:ba:12:3d:06 +# SHA1 Fingerprint: 09:3c:61:f3:8b:8b:dc:7d:55:df:75:38:02:05:00:e1:25:f5:c8:36 +# SHA256 Fingerprint: 8f:e4:fb:0a:f9:3a:4d:0d:67:db:0b:eb:b2:3e:37:c7:1b:f3:25:dc:bc:dd:24:0e:a0:4d:af:58:b4:7e:18:40 +-----BEGIN CERTIFICATE----- +MIIFYDCCA0igAwIBAgIURFc0JFuBiZs18s64KztbpybwdSgwDQYJKoZIhvcNAQEL +BQAwSDELMAkGA1UEBhMCQk0xGTAXBgNVBAoTEFF1b1ZhZGlzIExpbWl0ZWQxHjAc +BgNVBAMTFVF1b1ZhZGlzIFJvb3QgQ0EgMiBHMzAeFw0xMjAxMTIxODU5MzJaFw00 +MjAxMTIxODU5MzJaMEgxCzAJBgNVBAYTAkJNMRkwFwYDVQQKExBRdW9WYWRpcyBM +aW1pdGVkMR4wHAYDVQQDExVRdW9WYWRpcyBSb290IENBIDIgRzMwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQChriWyARjcV4g/Ruv5r+LrI3HimtFhZiFf +qq8nUeVuGxbULX1QsFN3vXg6YOJkApt8hpvWGo6t/x8Vf9WVHhLL5hSEBMHfNrMW +n4rjyduYNM7YMxcoRvynyfDStNVNCXJJ+fKH46nafaF9a7I6JaltUkSs+L5u+9ym 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O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Assured ID Root G2" +# Serial: 15385348160840213938643033620894905419 +# MD5 Fingerprint: 92:38:b9:f8:63:24:82:65:2c:57:33:e6:fe:81:8f:9d +# SHA1 Fingerprint: a1:4b:48:d9:43:ee:0a:0e:40:90:4f:3c:e0:a4:c0:91:93:51:5d:3f +# SHA256 Fingerprint: 7d:05:eb:b6:82:33:9f:8c:94:51:ee:09:4e:eb:fe:fa:79:53:a1:14:ed:b2:f4:49:49:45:2f:ab:7d:2f:c1:85 +-----BEGIN CERTIFICATE----- +MIIDljCCAn6gAwIBAgIQC5McOtY5Z+pnI7/Dr5r0SzANBgkqhkiG9w0BAQsFADBl +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv +b3QgRzIwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQG +EwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNl +cnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzIwggEi +MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDZ5ygvUj82ckmIkzTz+GoeMVSA +n61UQbVH35ao1K+ALbkKz3X9iaV9JPrjIgwrvJUXCzO/GU1BBpAAvQxNEP4Htecc 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15459312981008553731928384953135426796 +# MD5 Fingerprint: 7c:7f:65:31:0c:81:df:8d:ba:3e:99:e2:5c:ad:6e:fb +# SHA1 Fingerprint: f5:17:a2:4f:9a:48:c6:c9:f8:a2:00:26:9f:dc:0f:48:2c:ab:30:89 +# SHA256 Fingerprint: 7e:37:cb:8b:4c:47:09:0c:ab:36:55:1b:a6:f4:5d:b8:40:68:0f:ba:16:6a:95:2d:b1:00:71:7f:43:05:3f:c2 +-----BEGIN CERTIFICATE----- +MIICRjCCAc2gAwIBAgIQC6Fa+h3foLVJRK/NJKBs7DAKBggqhkjOPQQDAzBlMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3Qg +RzMwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQGEwJV +UzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNlcnQu +Y29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzMwdjAQBgcq +hkjOPQIBBgUrgQQAIgNiAAQZ57ysRGXtzbg/WPuNsVepRC0FFfLvC/8QdJ+1YlJf +Zn4f5dwbRXkLzMZTCp2NXQLZqVneAlr2lSoOjThKiknGvMYDOAdfVdp+CW7if17Q +RSAPWXYQ1qAk8C3eNvJsKTmjQjBAMA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/ +BAQDAgGGMB0GA1UdDgQWBBTL0L2p4ZgFUaFNN6KDec6NHSrkhDAKBggqhkjOPQQD 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+-----END CERTIFICATE----- + +# Issuer: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Subject: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Global Root G3" +# Serial: 7089244469030293291760083333884364146 +# MD5 Fingerprint: f5:5d:a4:50:a5:fb:28:7e:1e:0f:0d:cc:96:57:56:ca +# SHA1 Fingerprint: 7e:04:de:89:6a:3e:66:6d:00:e6:87:d3:3f:fa:d9:3b:e8:3d:34:9e +# SHA256 Fingerprint: 31:ad:66:48:f8:10:41:38:c7:38:f3:9e:a4:32:01:33:39:3e:3a:18:cc:02:29:6e:f9:7c:2a:c9:ef:67:31:d0 +-----BEGIN CERTIFICATE----- +MIICPzCCAcWgAwIBAgIQBVVWvPJepDU1w6QP1atFcjAKBggqhkjOPQQDAzBhMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBHMzAe +Fw0xMzA4MDExMjAwMDBaFw0zODAxMTUxMjAwMDBaMGExCzAJBgNVBAYTAlVTMRUw +EwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20x +IDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IEczMHYwEAYHKoZIzj0CAQYF 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+ +# Issuer: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Subject: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Label: "COMODO RSA Certification Authority" +# Serial: 101909084537582093308941363524873193117 +# MD5 Fingerprint: 1b:31:b0:71:40:36:cc:14:36:91:ad:c4:3e:fd:ec:18 +# SHA1 Fingerprint: af:e5:d2:44:a8:d1:19:42:30:ff:47:9f:e2:f8:97:bb:cd:7a:8c:b4 +# SHA256 Fingerprint: 52:f0:e1:c4:e5:8e:c6:29:29:1b:60:31:7f:07:46:71:b8:5d:7e:a8:0d:5b:07:27:34:63:53:4b:32:b4:02:34 +-----BEGIN CERTIFICATE----- +MIIF2DCCA8CgAwIBAgIQTKr5yttjb+Af907YWwOGnTANBgkqhkiG9w0BAQwFADCB +hTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G +A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxKzApBgNV +BAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAwMTE5 +MDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBhTELMAkGA1UEBhMCR0IxGzAZBgNVBAgT +EkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMR +Q09NT0RPIENBIExpbWl0ZWQxKzApBgNVBAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNh 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2b:8f:1b:57:33:0d:bb:a2:d0:7a:6c:51:f7:0e:e9:0d:da:b9:ad:8e +# SHA256 Fingerprint: e7:93:c9:b0:2f:d8:aa:13:e2:1c:31:22:8a:cc:b0:81:19:64:3b:74:9c:89:89:64:b1:74:6d:46:c3:d4:cb:d2 +-----BEGIN CERTIFICATE----- +MIIF3jCCA8agAwIBAgIQAf1tMPyjylGoG7xkDjUDLTANBgkqhkiG9w0BAQwFADCB +iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl +cnNleSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNV +BAMTJVVTRVJUcnVzdCBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAw +MjAxMDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBiDELMAkGA1UEBhMCVVMxEzARBgNV +BAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0plcnNleSBDaXR5MR4wHAYDVQQKExVU +aGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNVBAMTJVVTRVJUcnVzdCBSU0EgQ2Vy +dGlmaWNhdGlvbiBBdXRob3JpdHkwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK +AoICAQCAEmUXNg7D2wiz0KxXDXbtzSfTTK1Qg2HiqiBNCS1kCdzOiZ/MPans9s/B +3PHTsdZ7NygRK0faOca8Ohm0X6a9fZ2jY0K2dvKpOyuR+OJv0OwWIJAJPuLodMkY +tJHUYmTbf6MG8YgYapAiPLz+E/CHFHv25B+O1ORRxhFnRghRy4YUVD+8M/5+bJz/ +Fp0YvVGONaanZshyZ9shZrHUm3gDwFA66Mzw3LyeTP6vBZY1H1dat//O+T23LLb2 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OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. 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OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. 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OU=Certum Certification Authority +# Subject: CN=Certum Trusted Network CA 2 O=Unizeto Technologies S.A. OU=Certum Certification Authority +# Label: "Certum Trusted Network CA 2" +# Serial: 44979900017204383099463764357512596969 +# MD5 Fingerprint: 6d:46:9e:d9:25:6d:08:23:5b:5e:74:7d:1e:27:db:f2 +# SHA1 Fingerprint: d3:dd:48:3e:2b:bf:4c:05:e8:af:10:f5:fa:76:26:cf:d3:dc:30:92 +# SHA256 Fingerprint: b6:76:f2:ed:da:e8:77:5c:d3:6c:b0:f6:3c:d1:d4:60:39:61:f4:9e:62:65:ba:01:3a:2f:03:07:b6:d0:b8:04 +-----BEGIN CERTIFICATE----- +MIIF0jCCA7qgAwIBAgIQIdbQSk8lD8kyN/yqXhKN6TANBgkqhkiG9w0BAQ0FADCB +gDELMAkGA1UEBhMCUEwxIjAgBgNVBAoTGVVuaXpldG8gVGVjaG5vbG9naWVzIFMu +QS4xJzAlBgNVBAsTHkNlcnR1bSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEkMCIG +A1UEAxMbQ2VydHVtIFRydXN0ZWQgTmV0d29yayBDQSAyMCIYDzIwMTExMDA2MDgz +OTU2WhgPMjA0NjEwMDYwODM5NTZaMIGAMQswCQYDVQQGEwJQTDEiMCAGA1UEChMZ +VW5pemV0byBUZWNobm9sb2dpZXMgUy5BLjEnMCUGA1UECxMeQ2VydHVtIENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5MSQwIgYDVQQDExtDZXJ0dW0gVHJ1c3RlZCBOZXR3 +b3JrIENBIDIwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC9+Xj45tWA +DGSdhhuWZGc/IjoedQF97/tcZ4zJzFxrqZHmuULlIEub2pt7uZld2ZuAS9eEQCsn +0+i6MLs+CRqnSZXvK0AkwpfHp+6bJe+oCgCXhVqqndwpyeI1B+twTUrWwbNWuKFB +OJvR+zF/j+Bf4bE/D44WSWDXBo0Y+aomEKsq09DRZ40bRr5HMNUuctHFY9rnY3lE +fktjJImGLjQ/KUxSiyqnwOKRKIm5wFv5HdnnJ63/mgKXwcZQkpsCLL2puTRZCr+E +Sv/f/rOf69me4Jgj7KZrdxYq28ytOxykh9xGc14ZYmhFV+SQgkK7QtbwYeDBoz1m +o130GO6IyY0XRSmZMnUCMe4pJshrAua1YkV/NxVaI2iJ1D7eTiew8EAMvE0Xy02i +sx7QBlrd9pPPV3WZ9fqGGmd4s7+W/jTcvedSVuWz5XV710GRBdxdaeOVDUO5/IOW +OZV7bIBaTxNyxtd9KXpEulKkKtVBRgkg/iKgtlswjbyJDNXXcPiHUv3a76xRLgez +Tv7QCdpw75j6VuZt27VXS9zlLCUVyJ4ueE742pyehizKV/Ma5ciSixqClnrDvFAS +adgOWkaLOusm+iPJtrCBvkIApPjW/jAux9JG9uWOdf3yzLnQh1vMBhBgu4M1t15n +3kfsmUjxpKEV/q2MYo45VU85FrmxY53/twIDAQABo0IwQDAPBgNVHRMBAf8EBTAD +AQH/MB0GA1UdDgQWBBS2oVQ5AsOgP46KvPrU+Bym0ToO/TAOBgNVHQ8BAf8EBAMC +AQYwDQYJKoZIhvcNAQENBQADggIBAHGlDs7k6b8/ONWJWsQCYftMxRQXLYtPU2sQ +F/xlhMcQSZDe28cmk4gmb3DWAl45oPePq5a1pRNcgRRtDoGCERuKTsZPpd1iHkTf +CVn0W3cLN+mLIMb4Ck4uWBzrM9DPhmDJ2vuAL55MYIR4PSFk1vtBHxgP58l1cb29 +XN40hz5BsA72udY/CROWFC/emh1auVbONTqwX3BNXuMp8SMoclm2q8KMZiYcdywm +djWLKKdpoPk79SPdhRB0yZADVpHnr7pH1BKXESLjokmUbOe3lEu6LaTaM4tMpkT/ +WjzGHWTYtTHkpjx6qFcL2+1hGsvxznN3Y6SHb0xRONbkX8eftoEq5IVIeVheO/jb +AoJnwTnbw3RLPTYe+SmTiGhbqEQZIfCn6IENLOiTNrQ3ssqwGyZ6miUfmpqAnksq +P/ujmv5zMnHCnsZy4YpoJ/HkD7TETKVhk/iXEAcqMCWpuchxuO9ozC1+9eB+D4Ko +b7a6bINDd82Kkhehnlt4Fj1F4jNy3eFmypnTycUm/Q1oBEauttmbjL4ZvrHG8hnj +XALKLNhvSgfZyTXaQHXyxKcZb55CEJh15pWLYLztxRLXis7VmFxWlgPF7ncGNf/P +5O4/E2Hu29othfDNrp2yGAlFw5Khchf8R7agCyzxxN5DaAhqXzvwdmP7zAYspsbi +DrW5viSP +-----END CERTIFICATE----- + +# Issuer: CN=Hellenic Academic and Research Institutions RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Subject: CN=Hellenic Academic and Research Institutions RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions RootCA 2015" +# Serial: 0 +# MD5 Fingerprint: ca:ff:e2:db:03:d9:cb:4b:e9:0f:ad:84:fd:7b:18:ce +# SHA1 Fingerprint: 01:0c:06:95:a6:98:19:14:ff:bf:5f:c6:b0:b6:95:ea:29:e9:12:a6 +# SHA256 Fingerprint: a0:40:92:9a:02:ce:53:b4:ac:f4:f2:ff:c6:98:1c:e4:49:6f:75:5e:6d:45:fe:0b:2a:69:2b:cd:52:52:3f:36 +-----BEGIN CERTIFICATE----- +MIIGCzCCA/OgAwIBAgIBADANBgkqhkiG9w0BAQsFADCBpjELMAkGA1UEBhMCR1Ix +DzANBgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5k +IFJlc2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkxQDA+BgNVBAMT +N0hlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgUm9v +dENBIDIwMTUwHhcNMTUwNzA3MTAxMTIxWhcNNDAwNjMwMTAxMTIxWjCBpjELMAkG +A1UEBhMCR1IxDzANBgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNh +ZGVtaWMgYW5kIFJlc2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkx +QDA+BgNVBAMTN0hlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1 +dGlvbnMgUm9vdENBIDIwMTUwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoIC +AQDC+Kk/G4n8PDwEXT2QNrCROnk8ZlrvbTkBSRq0t89/TSNTt5AA4xMqKKYx8ZEA +4yjsriFBzh/a/X0SWwGDD7mwX5nh8hKDgE0GPt+sr+ehiGsxr/CL0BgzuNtFajT0 +AoAkKAoCFZVedioNmToUW/bLy1O8E00BiDeUJRtCvCLYjqOWXjrZMts+6PAQZe10 +4S+nfK8nNLspfZu2zwnI5dMK/IhlZXQK3HMcXM1AsRzUtoSMTFDPaI6oWa7CJ06C +ojXdFPQf/7J31Ycvqm59JCfnxssm5uX+Zwdj2EUN3TpZZTlYepKZcj2chF6IIbjV +9Cz82XBST3i4vTwri5WY9bPRaM8gFH5MXF/ni+X1NYEZN9cRCLdmvtNKzoNXADrD +gfgXy5I2XdGj2HUb4Ysn6npIQf1FGQatJ5lOwXBH3bWfgVMS5bGMSF0xQxfjjMZ6 +Y5ZLKTBOhE5iGV48zpeQpX8B653g+IuJ3SWYPZK2fu/Z8VFRfS0myGlZYeCsargq +NhEEelC9MoS+L9xy1dcdFkfkR2YgP/SWxa+OAXqlD3pk9Q0Yh9muiNX6hME6wGko +LfINaFGq46V3xqSQDqE3izEjR8EJCOtu93ib14L8hCCZSRm2Ekax+0VVFqmjZayc +Bw/qa9wfLgZy7IaIEuQt218FL+TwA9MmM+eAws1CoRc0CwIDAQABo0IwQDAPBgNV +HRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUcRVnyMjJvXVd +ctA4GGqd83EkVAswDQYJKoZIhvcNAQELBQADggIBAHW7bVRLqhBYRjTyYtcWNl0I +XtVsyIe9tC5G8jH4fOpCtZMWVdyhDBKg2mF+D1hYc2Ryx+hFjtyp8iY/xnmMsVMI +M4GwVhO+5lFc2JsKT0ucVlMC6U/2DWDqTUJV6HwbISHTGzrMd/K4kPFox/la/vot +9L/J9UUbzjgQKjeKeaO04wlshYaT/4mWJ3iBj2fjRnRUjtkNaeJK9E10A/+yd+2V +Z5fkscWrv2oj6NSU4kQoYsRL4vDY4ilrGnB+JGGTe08DMiUNRSQrlrRGar9KC/ea +j8GsGsVn82800vpzY4zvFrCopEYq+OsS7HK07/grfoxSwIuEVPkvPuNVqNxmsdnh +X9izjFk0WaSrT2y7HxjbdavYy5LNlDhhDgcGH0tGEPEVvo2FXDtKK4F5D7Rpn0lQ +l033DlZdwJVqwjbDG2jJ9SrcR5q+ss7FJej6A7na+RZukYT1HCjI/CbM1xyQVqdf +bzoEvM14iQuODy+jqk+iGxI9FghAD/FGTNeqewjBCvVtJ94Cj8rDtSvK6evIIVM4 +pcw72Hc3MKJP2W/R8kCtQXoXxdZKNYm3QdV8hn9VTYNKpXMgwDqvkPGaJI7ZjnHK +e7iG2rKPmT4dEw0SEe7Uq/DpFXYC5ODfqiAeW2GFZECpkJcNrVPSWh2HagCXZWK0 +vm9qp/UsQu0yrbYhnr68 +-----END CERTIFICATE----- + +# Issuer: CN=Hellenic Academic and Research Institutions ECC RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Subject: CN=Hellenic Academic and Research Institutions ECC RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions ECC RootCA 2015" +# Serial: 0 +# MD5 Fingerprint: 81:e5:b4:17:eb:c2:f5:e1:4b:0d:41:7b:49:92:fe:ef +# SHA1 Fingerprint: 9f:f1:71:8d:92:d5:9a:f3:7d:74:97:b4:bc:6f:84:68:0b:ba:b6:66 +# SHA256 Fingerprint: 44:b5:45:aa:8a:25:e6:5a:73:ca:15:dc:27:fc:36:d2:4c:1c:b9:95:3a:06:65:39:b1:15:82:dc:48:7b:48:33 +-----BEGIN CERTIFICATE----- +MIICwzCCAkqgAwIBAgIBADAKBggqhkjOPQQDAjCBqjELMAkGA1UEBhMCR1IxDzAN +BgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl +c2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkxRDBCBgNVBAMTO0hl +bGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgRUNDIFJv +b3RDQSAyMDE1MB4XDTE1MDcwNzEwMzcxMloXDTQwMDYzMDEwMzcxMlowgaoxCzAJ +BgNVBAYTAkdSMQ8wDQYDVQQHEwZBdGhlbnMxRDBCBgNVBAoTO0hlbGxlbmljIEFj +YWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgQ2VydC4gQXV0aG9yaXR5 +MUQwQgYDVQQDEztIZWxsZW5pYyBBY2FkZW1pYyBhbmQgUmVzZWFyY2ggSW5zdGl0 +dXRpb25zIEVDQyBSb290Q0EgMjAxNTB2MBAGByqGSM49AgEGBSuBBAAiA2IABJKg 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+# Serial: 485876308206448804701554682760554759 +# MD5 Fingerprint: e2:09:04:b4:d3:bd:d1:a0:14:fd:1a:d2:47:c4:57:1d +# SHA1 Fingerprint: ec:50:35:07:b2:15:c4:95:62:19:e2:a8:9a:5b:42:99:2c:4c:2c:20 +# SHA256 Fingerprint: eb:c5:57:0c:29:01:8c:4d:67:b1:aa:12:7b:af:12:f7:03:b4:61:1e:bc:17:b7:da:b5:57:38:94:17:9b:93:fa +-----BEGIN CERTIFICATE----- +MIIFgzCCA2ugAwIBAgIPXZONMGc2yAYdGsdUhGkHMA0GCSqGSIb3DQEBCwUAMDsx +CzAJBgNVBAYTAkVTMREwDwYDVQQKDAhGTk1ULVJDTTEZMBcGA1UECwwQQUMgUkFJ +WiBGTk1ULVJDTTAeFw0wODEwMjkxNTU5NTZaFw0zMDAxMDEwMDAwMDBaMDsxCzAJ +BgNVBAYTAkVTMREwDwYDVQQKDAhGTk1ULVJDTTEZMBcGA1UECwwQQUMgUkFJWiBG +Tk1ULVJDTTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALpxgHpMhm5/ +yBNtwMZ9HACXjywMI7sQmkCpGreHiPibVmr75nuOi5KOpyVdWRHbNi63URcfqQgf +BBckWKo3Shjf5TnUV/3XwSyRAZHiItQDwFj8d0fsjz50Q7qsNI1NOHZnjrDIbzAz +WHFctPVrbtQBULgTfmxKo0nRIBnuvMApGGWn3v7v3QqQIecaZ5JCEJhfTzC8PhxF +tBDXaEAUwED653cXeuYLj2VbPNmaUtu1vZ5Gzz3rkQUCwJaydkxNEJY7kvqcfw+Z 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+rqXRfboQnoZsG4q5WTP468SQvvG5 +-----END CERTIFICATE----- + +# Issuer: CN=Amazon Root CA 2 O=Amazon +# Subject: CN=Amazon Root CA 2 O=Amazon +# Label: "Amazon Root CA 2" +# Serial: 143266982885963551818349160658925006970653239 +# MD5 Fingerprint: c8:e5:8d:ce:a8:42:e2:7a:c0:2a:5c:7c:9e:26:bf:66 +# SHA1 Fingerprint: 5a:8c:ef:45:d7:a6:98:59:76:7a:8c:8b:44:96:b5:78:cf:47:4b:1a +# SHA256 Fingerprint: 1b:a5:b2:aa:8c:65:40:1a:82:96:01:18:f8:0b:ec:4f:62:30:4d:83:ce:c4:71:3a:19:c3:9c:01:1e:a4:6d:b4 +-----BEGIN CERTIFICATE----- +MIIFQTCCAymgAwIBAgITBmyf0pY1hp8KD+WGePhbJruKNzANBgkqhkiG9w0BAQwF +ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6 +b24gUm9vdCBDQSAyMB4XDTE1MDUyNjAwMDAwMFoXDTQwMDUyNjAwMDAwMFowOTEL +MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv +b3QgQ0EgMjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK2Wny2cSkxK +gXlRmeyKy2tgURO8TW0G/LAIjd0ZEGrHJgw12MBvIITplLGbhQPDW9tK6Mj4kHbZ +W0/jTOgGNk3Mmqw9DJArktQGGWCsN0R5hYGCrVo34A3MnaZMUnbqQ523BNFQ9lXg 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e3:5d:28:41:9e:d0:20:25:cf:a6:90:38:cd:62:39:62:45:8d:a5:c6:95:fb:de:a3:c2:2b:0b:fb:25:89:70:92 +-----BEGIN CERTIFICATE----- +MIIB8jCCAXigAwIBAgITBmyf18G7EEwpQ+Vxe3ssyBrBDjAKBggqhkjOPQQDAzA5 +MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6b24g +Um9vdCBDQSA0MB4XDTE1MDUyNjAwMDAwMFoXDTQwMDUyNjAwMDAwMFowOTELMAkG +A1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJvb3Qg +Q0EgNDB2MBAGByqGSM49AgEGBSuBBAAiA2IABNKrijdPo1MN/sGKe0uoe0ZLY7Bi +9i0b2whxIdIA6GO9mif78DluXeo9pcmBqqNbIJhFXRbb/egQbeOc4OO9X4Ri83Bk +M6DLJC9wuoihKqB1+IGuYgbEgds5bimwHvouXKNCMEAwDwYDVR0TAQH/BAUwAwEB +/zAOBgNVHQ8BAf8EBAMCAYYwHQYDVR0OBBYEFNPsxzplbszh2naaVvuc84ZtV+WB +MAoGCCqGSM49BAMDA2gAMGUCMDqLIfG9fhGt0O9Yli/W651+kI0rz2ZVwyzjKKlw +CkcO8DdZEv8tmZQoTipPNU0zWgIxAOp1AE47xDqUEpHJWEadIRNyp4iciuRMStuW +1KyLa2tJElMzrdfkviT8tQp21KW8EA== +-----END CERTIFICATE----- + +# Issuer: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM +# Subject: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM +# Label: "TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1" +# Serial: 1 +# MD5 Fingerprint: dc:00:81:dc:69:2f:3e:2f:b0:3b:f6:3d:5a:91:8e:49 +# SHA1 Fingerprint: 31:43:64:9b:ec:ce:27:ec:ed:3a:3f:0b:8f:0d:e4:e8:91:dd:ee:ca +# SHA256 Fingerprint: 46:ed:c3:68:90:46:d5:3a:45:3f:b3:10:4a:b8:0d:ca:ec:65:8b:26:60:ea:16:29:dd:7e:86:79:90:64:87:16 +-----BEGIN CERTIFICATE----- +MIIEYzCCA0ugAwIBAgIBATANBgkqhkiG9w0BAQsFADCB0jELMAkGA1UEBhMCVFIx +GDAWBgNVBAcTD0dlYnplIC0gS29jYWVsaTFCMEAGA1UEChM5VHVya2l5ZSBCaWxp +bXNlbCB2ZSBUZWtub2xvamlrIEFyYXN0aXJtYSBLdXJ1bXUgLSBUVUJJVEFLMS0w +KwYDVQQLEyRLYW11IFNlcnRpZmlrYXN5b24gTWVya2V6aSAtIEthbXUgU00xNjA0 +BgNVBAMTLVRVQklUQUsgS2FtdSBTTSBTU0wgS29rIFNlcnRpZmlrYXNpIC0gU3Vy +dW0gMTAeFw0xMzExMjUwODI1NTVaFw00MzEwMjUwODI1NTVaMIHSMQswCQYDVQQG +EwJUUjEYMBYGA1UEBxMPR2ViemUgLSBLb2NhZWxpMUIwQAYDVQQKEzlUdXJraXll 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b7:ab:33:08:d1:ea:44:77:ba:14:80:12:5a:6f:bd:a9:36:49:0c:bb +# SHA256 Fingerprint: 85:66:6a:56:2e:e0:be:5c:e9:25:c1:d8:89:0a:6f:76:a8:7e:c1:6d:4d:7d:5f:29:ea:74:19:cf:20:12:3b:69 +-----BEGIN CERTIFICATE----- +MIIF3TCCA8WgAwIBAgIIeyyb0xaAMpkwDQYJKoZIhvcNAQELBQAwfDELMAkGA1UE +BhMCVVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQK +DA9TU0wgQ29ycG9yYXRpb24xMTAvBgNVBAMMKFNTTC5jb20gUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBSU0EwHhcNMTYwMjEyMTczOTM5WhcNNDEwMjEyMTcz +OTM5WjB8MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjExMC8GA1UEAwwoU1NMLmNv +bSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IFJTQTCCAiIwDQYJKoZIhvcN +AQEBBQADggIPADCCAgoCggIBAPkP3aMrfcvQKv7sZ4Wm5y4bunfh4/WvpOz6Sl2R +xFdHaxh3a3by/ZPkPQ/CFp4LZsNWlJ4Xg4XOVu/yFv0AYvUiCVToZRdOQbngT0aX +qhvIuG5iXmmxX9sqAn78bMrzQdjt0Oj8P2FI7bADFB0QDksZ4LtO7IZl/zbzXmcC +C52GVWH9ejjt/uIZALdvoVBidXQ8oPrIJZK0bnoix/geoeOy3ZExqysdBP+lSgQ3 +6YWkMyv94tZVNHwZpEpox7Ko07fKoZOI68GXvIz5HdkihCR0xwQ9aqkpk8zruFvh 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Authority RSA R2" +# Serial: 6248227494352943350 +# MD5 Fingerprint: e1:1e:31:58:1a:ae:54:53:02:f6:17:6a:11:7b:4d:95 +# SHA1 Fingerprint: 74:3a:f0:52:9b:d0:32:a0:f4:4a:83:cd:d4:ba:a9:7b:7c:2e:c4:9a +# SHA256 Fingerprint: 2e:7b:f1:6c:c2:24:85:a7:bb:e2:aa:86:96:75:07:61:b0:ae:39:be:3b:2f:e9:d0:cc:6d:4e:f7:34:91:42:5c +-----BEGIN CERTIFICATE----- +MIIF6zCCA9OgAwIBAgIIVrYpzTS8ePYwDQYJKoZIhvcNAQELBQAwgYIxCzAJBgNV +BAYTAlVTMQ4wDAYDVQQIDAVUZXhhczEQMA4GA1UEBwwHSG91c3RvbjEYMBYGA1UE +CgwPU1NMIENvcnBvcmF0aW9uMTcwNQYDVQQDDC5TU0wuY29tIEVWIFJvb3QgQ2Vy +dGlmaWNhdGlvbiBBdXRob3JpdHkgUlNBIFIyMB4XDTE3MDUzMTE4MTQzN1oXDTQy +MDUzMDE4MTQzN1owgYIxCzAJBgNVBAYTAlVTMQ4wDAYDVQQIDAVUZXhhczEQMA4G +A1UEBwwHSG91c3RvbjEYMBYGA1UECgwPU1NMIENvcnBvcmF0aW9uMTcwNQYDVQQD +DC5TU0wuY29tIEVWIFJvb3QgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgUlNBIFIy +MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAjzZlQOHWTcDXtOlG2mvq +M0fNTPl9fb69LT3w23jhhqXZuglXaO1XPqDQCEGD5yhBJB/jchXQARr7XnAjssuf 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22:a2:c1:f7:bd:ed:70:4c:c1:e7:01:b5:f4:08:c3:10:88:0f:e9:56:b5:de:2a:4a:44:f9:9c:87:3a:25:a7:c8 +-----BEGIN CERTIFICATE----- +MIIClDCCAhqgAwIBAgIILCmcWxbtBZUwCgYIKoZIzj0EAwIwfzELMAkGA1UEBhMC +VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T +U0wgQ29ycG9yYXRpb24xNDAyBgNVBAMMK1NTTC5jb20gRVYgUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBFQ0MwHhcNMTYwMjEyMTgxNTIzWhcNNDEwMjEyMTgx +NTIzWjB/MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjE0MDIGA1UEAwwrU1NMLmNv +bSBFViBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IEVDQzB2MBAGByqGSM49 +AgEGBSuBBAAiA2IABKoSR5CYG/vvw0AHgyBO8TCCogbR8pKGYfL2IWjKAMTH6kMA +VIbc/R/fALhBYlzccBYy3h+Z1MzFB8gIH2EWB1E9fVwHU+M1OIzfzZ/ZLg1Kthku +WnBaBu2+8KGwytAJKaNjMGEwHQYDVR0OBBYEFFvKXuXe0oGqzagtZFG22XKbl+ZP +MA8GA1UdEwEB/wQFMAMBAf8wHwYDVR0jBBgwFoAUW8pe5d7SgarNqC1kUbbZcpuX +5k8wDgYDVR0PAQH/BAQDAgGGMAoGCCqGSM49BAMCA2gAMGUCMQCK5kCJN+vp1RPZ +ytRrJPOwPYdGWBrssd9v+1a6cGvHOMzosYxPD/fxZ3YOg9AeUY8CMD32IygmTMZg 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e0:11:84:5e:34:de:be:88:81:b9:9c:f6:16:26:d1:96:1f:c3:b9:31 +# SHA256 Fingerprint: 85:60:f9:1c:36:24:da:ba:95:70:b5:fe:a0:db:e3:6f:f1:1a:83:23:be:94:86:85:4f:b3:f3:4a:55:71:19:8d +-----BEGIN CERTIFICATE----- +MIICaTCCAe+gAwIBAgIQISpWDK7aDKtARb8roi066jAKBggqhkjOPQQDAzBtMQsw +CQYDVQQGEwJDSDEQMA4GA1UEChMHV0lTZUtleTEiMCAGA1UECxMZT0lTVEUgRm91 +bmRhdGlvbiBFbmRvcnNlZDEoMCYGA1UEAxMfT0lTVEUgV0lTZUtleSBHbG9iYWwg +Um9vdCBHQyBDQTAeFw0xNzA1MDkwOTQ4MzRaFw00MjA1MDkwOTU4MzNaMG0xCzAJ +BgNVBAYTAkNIMRAwDgYDVQQKEwdXSVNlS2V5MSIwIAYDVQQLExlPSVNURSBGb3Vu +ZGF0aW9uIEVuZG9yc2VkMSgwJgYDVQQDEx9PSVNURSBXSVNlS2V5IEdsb2JhbCBS +b290IEdDIENBMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAETOlQwMYPchi82PG6s4ni +eUqjFqdrVCTbUf/q9Akkwwsin8tqJ4KBDdLArzHkdIJuyiXZjHWd8dvQmqJLIX4W +p2OQ0jnUsYd4XxiWD1AbNTcPasbc2RNNpI6QN+a9WzGRo1QwUjAOBgNVHQ8BAf8E +BAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUSIcUrOPDnpBgOtfKie7T +rYy0UGYwEAYJKwYBBAGCNxUBBAMCAQAwCgYIKoZIzj0EAwMDaAAwZQIwJsdpW9zV +57LnyAyMjMPdeYwbY9XJUpROTYJKcx6ygISpJcBMWm1JKWB4E+J+SOtkAjEA2zQg +Mgj/mkkCtojeFK9dbJlxjRo/i9fgojaGHAeCOnZT/cKi7e97sIBPWA9LUzm9 +-----END CERTIFICATE----- + +# Issuer: CN=UCA Global G2 Root O=UniTrust +# Subject: CN=UCA Global G2 Root O=UniTrust +# Label: "UCA Global G2 Root" +# Serial: 124779693093741543919145257850076631279 +# MD5 Fingerprint: 80:fe:f0:c4:4a:f0:5c:62:32:9f:1c:ba:78:a9:50:f8 +# SHA1 Fingerprint: 28:f9:78:16:19:7a:ff:18:25:18:aa:44:fe:c1:a0:ce:5c:b6:4c:8a +# SHA256 Fingerprint: 9b:ea:11:c9:76:fe:01:47:64:c1:be:56:a6:f9:14:b5:a5:60:31:7a:bd:99:88:39:33:82:e5:16:1a:a0:49:3c +-----BEGIN CERTIFICATE----- +MIIFRjCCAy6gAwIBAgIQXd+x2lqj7V2+WmUgZQOQ7zANBgkqhkiG9w0BAQsFADA9 +MQswCQYDVQQGEwJDTjERMA8GA1UECgwIVW5pVHJ1c3QxGzAZBgNVBAMMElVDQSBH +bG9iYWwgRzIgUm9vdDAeFw0xNjAzMTEwMDAwMDBaFw00MDEyMzEwMDAwMDBaMD0x +CzAJBgNVBAYTAkNOMREwDwYDVQQKDAhVbmlUcnVzdDEbMBkGA1UEAwwSVUNBIEds +b2JhbCBHMiBSb290MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxeYr +b3zvJgUno4Ek2m/LAfmZmqkywiKHYUGRO8vDaBsGxUypK8FnFyIdK+35KYmToni9 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CERTIFICATE----- +MIIFWjCCA0KgAwIBAgIQT9Irj/VkyDOeTzRYZiNwYDANBgkqhkiG9w0BAQsFADBH +MQswCQYDVQQGEwJDTjERMA8GA1UECgwIVW5pVHJ1c3QxJTAjBgNVBAMMHFVDQSBF +eHRlbmRlZCBWYWxpZGF0aW9uIFJvb3QwHhcNMTUwMzEzMDAwMDAwWhcNMzgxMjMx +MDAwMDAwWjBHMQswCQYDVQQGEwJDTjERMA8GA1UECgwIVW5pVHJ1c3QxJTAjBgNV +BAMMHFVDQSBFeHRlbmRlZCBWYWxpZGF0aW9uIFJvb3QwggIiMA0GCSqGSIb3DQEB +AQUAA4ICDwAwggIKAoICAQCpCQcoEwKwmeBkqh5DFnpzsZGgdT6o+uM4AHrsiWog +D4vFsJszA1qGxliG1cGFu0/GnEBNyr7uaZa4rYEwmnySBesFK5pI0Lh2PpbIILvS +sPGP2KxFRv+qZ2C0d35qHzwaUnoEPQc8hQ2E0B92CvdqFN9y4zR8V05WAT558aop +O2z6+I9tTcg1367r3CTueUWnhbYFiN6IXSV8l2RnCdm/WhUFhvMJHuxYMjMR83dk +sHYf5BA1FxvyDrFspCqjc/wJHx4yGVMR59mzLC52LqGj3n5qiAno8geK+LLNEOfi +c0CTuwjRP+H8C5SzJe98ptfRr5//lpr1kXuYC3fUfugH0mK1lTnj8/FtDw5lhIpj +VMWAtuCeS31HJqcBCF3RiJ7XwzJE+oJKCmhUfzhTA8ykADNkUVkLo4KRel7sFsLz +KuZi2irbWWIQJUoqgQtHB0MGcIfS+pMRKXpITeuUx3BNr2fVUbGAIAEBtHoIppB/ +TuDvB0GHr2qlXov7z1CymlSvw4m6WC31MJixNnI5fkkE/SmnTHnkBVfblLkWU41G 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Issuer: CN=Certigna Root CA O=Dhimyotis OU=0002 48146308100036 +# Subject: CN=Certigna Root CA O=Dhimyotis OU=0002 48146308100036 +# Label: "Certigna Root CA" +# Serial: 269714418870597844693661054334862075617 +# MD5 Fingerprint: 0e:5c:30:62:27:eb:5b:bc:d7:ae:62:ba:e9:d5:df:77 +# SHA1 Fingerprint: 2d:0d:52:14:ff:9e:ad:99:24:01:74:20:47:6e:6c:85:27:27:f5:43 +# SHA256 Fingerprint: d4:8d:3d:23:ee:db:50:a4:59:e5:51:97:60:1c:27:77:4b:9d:7b:18:c9:4d:5a:05:95:11:a1:02:50:b9:31:68 +-----BEGIN CERTIFICATE----- +MIIGWzCCBEOgAwIBAgIRAMrpG4nxVQMNo+ZBbcTjpuEwDQYJKoZIhvcNAQELBQAw +WjELMAkGA1UEBhMCRlIxEjAQBgNVBAoMCURoaW15b3RpczEcMBoGA1UECwwTMDAw +MiA0ODE0NjMwODEwMDAzNjEZMBcGA1UEAwwQQ2VydGlnbmEgUm9vdCBDQTAeFw0x +MzEwMDEwODMyMjdaFw0zMzEwMDEwODMyMjdaMFoxCzAJBgNVBAYTAkZSMRIwEAYD +VQQKDAlEaGlteW90aXMxHDAaBgNVBAsMEzAwMDIgNDgxNDYzMDgxMDAwMzYxGTAX +BgNVBAMMEENlcnRpZ25hIFJvb3QgQ0EwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw +ggIKAoICAQDNGDllGlmx6mQWDoyUJJV8g9PFOSbcDO8WV43X2KyjQn+Cyu3NW9sO 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Root CA - G1" +# Serial: 235931866688319308814040 +# MD5 Fingerprint: 9c:42:84:57:dd:cb:0b:a7:2e:95:ad:b6:f3:da:bc:ac +# SHA1 Fingerprint: 8a:c7:ad:8f:73:ac:4e:c1:b5:75:4d:a5:40:f4:fc:cf:7c:b5:8e:8c +# SHA256 Fingerprint: 40:f6:af:03:46:a9:9a:a1:cd:1d:55:5a:4e:9c:ce:62:c7:f9:63:46:03:ee:40:66:15:83:3d:c8:c8:d0:03:67 +-----BEGIN CERTIFICATE----- +MIIDlDCCAnygAwIBAgIKMfXkYgxsWO3W2DANBgkqhkiG9w0BAQsFADBnMQswCQYD +VQQGEwJJTjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBU +ZWNobm9sb2dpZXMgTGltaXRlZDEcMBoGA1UEAxMTZW1TaWduIFJvb3QgQ0EgLSBH +MTAeFw0xODAyMTgxODMwMDBaFw00MzAyMTgxODMwMDBaMGcxCzAJBgNVBAYTAklO +MRMwEQYDVQQLEwplbVNpZ24gUEtJMSUwIwYDVQQKExxlTXVkaHJhIFRlY2hub2xv +Z2llcyBMaW1pdGVkMRwwGgYDVQQDExNlbVNpZ24gUm9vdCBDQSAtIEcxMIIBIjAN +BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk0u76WaK7p1b1TST0Bsew+eeuGQz +f2N4aLTNLnF115sgxk0pvLZoYIr3IZpWNVrzdr3YzZr/k1ZLpVkGoZM0Kd0WNHVO +8oG0x5ZOrRkVUkr+PHB1cM2vK6sVmjM8qrOLqs1D/fXqcP/tzxE7lM5OMhbTI0Aq 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ce:0b:72:d1:9f:88:8e:d0:50:03:e8:e3:b8:8b:67:40 +# SHA1 Fingerprint: 30:43:fa:4f:f2:57:dc:a0:c3:80:ee:2e:58:ea:78:b2:3f:e6:bb:c1 +# SHA256 Fingerprint: 86:a1:ec:ba:08:9c:4a:8d:3b:be:27:34:c6:12:ba:34:1d:81:3e:04:3c:f9:e8:a8:62:cd:5c:57:a3:6b:be:6b +-----BEGIN CERTIFICATE----- +MIICTjCCAdOgAwIBAgIKPPYHqWhwDtqLhDAKBggqhkjOPQQDAzBrMQswCQYDVQQG +EwJJTjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBUZWNo +bm9sb2dpZXMgTGltaXRlZDEgMB4GA1UEAxMXZW1TaWduIEVDQyBSb290IENBIC0g +RzMwHhcNMTgwMjE4MTgzMDAwWhcNNDMwMjE4MTgzMDAwWjBrMQswCQYDVQQGEwJJ +TjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBUZWNobm9s +b2dpZXMgTGltaXRlZDEgMB4GA1UEAxMXZW1TaWduIEVDQyBSb290IENBIC0gRzMw +djAQBgcqhkjOPQIBBgUrgQQAIgNiAAQjpQy4LRL1KPOxst3iAhKAnjlfSU2fySU0 +WXTsuwYc58Byr+iuL+FBVIcUqEqy6HyC5ltqtdyzdc6LBtCGI79G1Y4PPwT01xyS +fvalY8L1X44uT6EYGQIrMgqCZH0Wk9GjQjBAMB0GA1UdDgQWBBR8XQKEE9TMipuB +zhccLikenEhjQjAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAKBggq 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CN=emSign ECC Root CA - C3 O=eMudhra Inc OU=emSign PKI +# Subject: CN=emSign ECC Root CA - C3 O=eMudhra Inc OU=emSign PKI +# Label: "emSign ECC Root CA - C3" +# Serial: 582948710642506000014504 +# MD5 Fingerprint: 3e:53:b3:a3:81:ee:d7:10:f8:d3:b0:1d:17:92:f5:d5 +# SHA1 Fingerprint: b6:af:43:c2:9b:81:53:7d:f6:ef:6b:c3:1f:1f:60:15:0c:ee:48:66 +# SHA256 Fingerprint: bc:4d:80:9b:15:18:9d:78:db:3e:1d:8c:f4:f9:72:6a:79:5d:a1:64:3c:a5:f1:35:8e:1d:db:0e:dc:0d:7e:b3 +-----BEGIN CERTIFICATE----- +MIICKzCCAbGgAwIBAgIKe3G2gla4EnycqDAKBggqhkjOPQQDAzBaMQswCQYDVQQG +EwJVUzETMBEGA1UECxMKZW1TaWduIFBLSTEUMBIGA1UEChMLZU11ZGhyYSBJbmMx +IDAeBgNVBAMTF2VtU2lnbiBFQ0MgUm9vdCBDQSAtIEMzMB4XDTE4MDIxODE4MzAw +MFoXDTQzMDIxODE4MzAwMFowWjELMAkGA1UEBhMCVVMxEzARBgNVBAsTCmVtU2ln +biBQS0kxFDASBgNVBAoTC2VNdWRocmEgSW5jMSAwHgYDVQQDExdlbVNpZ24gRUND +IFJvb3QgQ0EgLSBDMzB2MBAGByqGSM49AgEGBSuBBAAiA2IABP2lYa57JhAd6bci +MK4G9IGzsUJxlTm801Ljr6/58pc1kjZGDoeVjbk5Wum739D+yAdBPLtVb4Ojavti 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Authority - G4 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - G4 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only +# Label: "Entrust Root Certification Authority - G4" +# Serial: 289383649854506086828220374796556676440 +# MD5 Fingerprint: 89:53:f1:83:23:b7:7c:8e:05:f1:8c:71:38:4e:1f:88 +# SHA1 Fingerprint: 14:88:4e:86:26:37:b0:26:af:59:62:5c:40:77:ec:35:29:ba:96:01 +# SHA256 Fingerprint: db:35:17:d1:f6:73:2a:2d:5a:b9:7c:53:3e:c7:07:79:ee:32:70:a6:2f:b4:ac:42:38:37:24:60:e6:f0:1e:88 +-----BEGIN CERTIFICATE----- +MIIGSzCCBDOgAwIBAgIRANm1Q3+vqTkPAAAAAFVlrVgwDQYJKoZIhvcNAQELBQAw +gb4xCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQL +Ex9TZWUgd3d3LmVudHJ1c3QubmV0L2xlZ2FsLXRlcm1zMTkwNwYDVQQLEzAoYykg +MjAxNSBFbnRydXN0LCBJbmMuIC0gZm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxMjAw +BgNVBAMTKUVudHJ1c3QgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eSAtIEc0 +MB4XDTE1MDUyNzExMTExNloXDTM3MTIyNzExNDExNlowgb4xCzAJBgNVBAYTAlVT +MRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQLEx9TZWUgd3d3LmVudHJ1 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Certificate Authority 2017" +# Serial: 136839042543790627607696632466672567020 +# MD5 Fingerprint: dd:a1:03:e6:4a:93:10:d1:bf:f0:19:42:cb:fe:ed:67 +# SHA1 Fingerprint: 99:9a:64:c3:7f:f4:7d:9f:ab:95:f1:47:69:89:14:60:ee:c4:c3:c5 +# SHA256 Fingerprint: 35:8d:f3:9d:76:4a:f9:e1:b7:66:e9:c9:72:df:35:2e:e1:5c:fa:c2:27:af:6a:d1:d7:0e:8e:4a:6e:dc:ba:02 +-----BEGIN CERTIFICATE----- +MIICWTCCAd+gAwIBAgIQZvI9r4fei7FK6gxXMQHC7DAKBggqhkjOPQQDAzBlMQsw +CQYDVQQGEwJVUzEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBvcmF0aW9uMTYwNAYD +VQQDEy1NaWNyb3NvZnQgRUNDIFJvb3QgQ2VydGlmaWNhdGUgQXV0aG9yaXR5IDIw +MTcwHhcNMTkxMjE4MjMwNjQ1WhcNNDIwNzE4MjMxNjA0WjBlMQswCQYDVQQGEwJV +UzEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBvcmF0aW9uMTYwNAYDVQQDEy1NaWNy +b3NvZnQgRUNDIFJvb3QgQ2VydGlmaWNhdGUgQXV0aG9yaXR5IDIwMTcwdjAQBgcq +hkjOPQIBBgUrgQQAIgNiAATUvD0CQnVBEyPNgASGAlEvaqiBYgtlzPbKnR5vSmZR +ogPZnZH6thaxjG7efM3beaYvzrvOcS/lpaso7GMEZpn4+vKTEAXhgShC48Zo9OYb +hGBKia/teQ87zvH2RPUBeMCjVDBSMA4GA1UdDwEB/wQEAwIBhjAPBgNVHRMBAf8E 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O=Microsec Ltd. +# Label: "e-Szigno Root CA 2017" +# Serial: 411379200276854331539784714 +# MD5 Fingerprint: de:1f:f6:9e:84:ae:a7:b4:21:ce:1e:58:7d:d1:84:98 +# SHA1 Fingerprint: 89:d4:83:03:4f:9e:9a:48:80:5f:72:37:d4:a9:a6:ef:cb:7c:1f:d1 +# SHA256 Fingerprint: be:b0:0b:30:83:9b:9b:c3:2c:32:e4:44:79:05:95:06:41:f2:64:21:b1:5e:d0:89:19:8b:51:8a:e2:ea:1b:99 +-----BEGIN CERTIFICATE----- +MIICQDCCAeWgAwIBAgIMAVRI7yH9l1kN9QQKMAoGCCqGSM49BAMCMHExCzAJBgNV +BAYTAkhVMREwDwYDVQQHDAhCdWRhcGVzdDEWMBQGA1UECgwNTWljcm9zZWMgTHRk +LjEXMBUGA1UEYQwOVkFUSFUtMjM1ODQ0OTcxHjAcBgNVBAMMFWUtU3ppZ25vIFJv +b3QgQ0EgMjAxNzAeFw0xNzA4MjIxMjA3MDZaFw00MjA4MjIxMjA3MDZaMHExCzAJ +BgNVBAYTAkhVMREwDwYDVQQHDAhCdWRhcGVzdDEWMBQGA1UECgwNTWljcm9zZWMg +THRkLjEXMBUGA1UEYQwOVkFUSFUtMjM1ODQ0OTcxHjAcBgNVBAMMFWUtU3ppZ25v +IFJvb3QgQ0EgMjAxNzBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABJbcPYrYsHtv +xie+RJCxs1YVe45DJH0ahFnuY2iyxl6H0BVIHqiQrb1TotreOpCmYF9oMrWGQd+H +Wyx7xf58etqjYzBhMA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMB0G 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+-----END CERTIFICATE----- + +# Issuer: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres +# Subject: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres +# Label: "AC RAIZ FNMT-RCM SERVIDORES SEGUROS" +# Serial: 131542671362353147877283741781055151509 +# MD5 Fingerprint: 19:36:9c:52:03:2f:d2:d1:bb:23:cc:dd:1e:12:55:bb +# SHA1 Fingerprint: 62:ff:d9:9e:c0:65:0d:03:ce:75:93:d2:ed:3f:2d:32:c9:e3:e5:4a +# SHA256 Fingerprint: 55:41:53:b1:3d:2c:f9:dd:b7:53:bf:be:1a:4e:0a:e0:8d:0a:a4:18:70:58:fe:60:a2:b8:62:b2:e4:b8:7b:cb +-----BEGIN CERTIFICATE----- +MIICbjCCAfOgAwIBAgIQYvYybOXE42hcG2LdnC6dlTAKBggqhkjOPQQDAzB4MQsw +CQYDVQQGEwJFUzERMA8GA1UECgwIRk5NVC1SQ00xDjAMBgNVBAsMBUNlcmVzMRgw +FgYDVQRhDA9WQVRFUy1RMjgyNjAwNEoxLDAqBgNVBAMMI0FDIFJBSVogRk5NVC1S +Q00gU0VSVklET1JFUyBTRUdVUk9TMB4XDTE4MTIyMDA5MzczM1oXDTQzMTIyMDA5 +MzczM1oweDELMAkGA1UEBhMCRVMxETAPBgNVBAoMCEZOTVQtUkNNMQ4wDAYDVQQL +DAVDZXJlczEYMBYGA1UEYQwPVkFURVMtUTI4MjYwMDRKMSwwKgYDVQQDDCNBQyBS 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CN=GlobalSign Root E46 O=GlobalSign nv-sa +# Label: "GlobalSign Root E46" +# Serial: 1552617690338932563915843282459653771421763 +# MD5 Fingerprint: b5:b8:66:ed:de:08:83:e3:c9:e2:01:34:06:ac:51:6f +# SHA1 Fingerprint: 39:b4:6c:d5:fe:80:06:eb:e2:2f:4a:bb:08:33:a0:af:db:b9:dd:84 +# SHA256 Fingerprint: cb:b9:c4:4d:84:b8:04:3e:10:50:ea:31:a6:9f:51:49:55:d7:bf:d2:e2:c6:b4:93:01:01:9a:d6:1d:9f:50:58 +-----BEGIN CERTIFICATE----- +MIICCzCCAZGgAwIBAgISEdK7ujNu1LzmJGjFDYQdmOhDMAoGCCqGSM49BAMDMEYx +CzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMRwwGgYDVQQD +ExNHbG9iYWxTaWduIFJvb3QgRTQ2MB4XDTE5MDMyMDAwMDAwMFoXDTQ2MDMyMDAw +MDAwMFowRjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2Ex +HDAaBgNVBAMTE0dsb2JhbFNpZ24gUm9vdCBFNDYwdjAQBgcqhkjOPQIBBgUrgQQA +IgNiAAScDrHPt+ieUnd1NPqlRqetMhkytAepJ8qUuwzSChDH2omwlwxwEwkBjtjq +R+q+soArzfwoDdusvKSGN+1wCAB16pMLey5SnCNoIwZD7JIvU4Tb+0cUB+hflGdd +yXqBPCCjQjBAMA4GA1UdDwEB/wQEAwIBhjAPBgNVHRMBAf8EBTADAQH/MB0GA1Ud 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OU=Certum Certification Authority +# Subject: CN=Certum EC-384 CA O=Asseco Data Systems S.A. OU=Certum Certification Authority +# Label: "Certum EC-384 CA" +# Serial: 160250656287871593594747141429395092468 +# MD5 Fingerprint: b6:65:b3:96:60:97:12:a1:ec:4e:e1:3d:a3:c6:c9:f1 +# SHA1 Fingerprint: f3:3e:78:3c:ac:df:f4:a2:cc:ac:67:55:69:56:d7:e5:16:3c:e1:ed +# SHA256 Fingerprint: 6b:32:80:85:62:53:18:aa:50:d1:73:c9:8d:8b:da:09:d5:7e:27:41:3d:11:4c:f7:87:a0:f5:d0:6c:03:0c:f6 +-----BEGIN CERTIFICATE----- +MIICZTCCAeugAwIBAgIQeI8nXIESUiClBNAt3bpz9DAKBggqhkjOPQQDAzB0MQsw +CQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEgU3lzdGVtcyBTLkEuMScw +JQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxGTAXBgNVBAMT +EENlcnR1bSBFQy0zODQgQ0EwHhcNMTgwMzI2MDcyNDU0WhcNNDMwMzI2MDcyNDU0 +WjB0MQswCQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEgU3lzdGVtcyBT +LkEuMScwJQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxGTAX +BgNVBAMTEENlcnR1bSBFQy0zODQgQ0EwdjAQBgcqhkjOPQIBBgUrgQQAIgNiAATE +KI6rGFtqvm5kN2PkzeyrOvfMobgOgknXhimfoZTy42B4mIF4Bk3y7JoOV2CDn7Tm +Fy8as10CW4kjPMIRBSqniBMY81CE1700LCeJVf/OTOffph8oxPBUw7l8t1Ot68Kj +QjBAMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFI0GZnQkdjrzife81r1HfS+8 +EF9LMA4GA1UdDwEB/wQEAwIBBjAKBggqhkjOPQQDAwNoADBlAjADVS2m5hjEfO/J +UG7BJw+ch69u1RsIGL2SKcHvlJF40jocVYli5RsJHrpka/F2tNQCMQC0QoSZ/6vn +nvuRlydd3LBbMHHOXjgaatkl5+r3YZJW+OraNsKHZZYuciUvf9/DE8k= +-----END CERTIFICATE----- + +# Issuer: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority +# Subject: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority +# Label: "Certum Trusted Root CA" +# Serial: 40870380103424195783807378461123655149 +# MD5 Fingerprint: 51:e1:c2:e7:fe:4c:84:af:59:0e:2f:f4:54:6f:ea:29 +# SHA1 Fingerprint: c8:83:44:c0:18:ae:9f:cc:f1:87:b7:8f:22:d1:c5:d7:45:84:ba:e5 +# SHA256 Fingerprint: fe:76:96:57:38:55:77:3e:37:a9:5e:7a:d4:d9:cc:96:c3:01:57:c1:5d:31:76:5b:a9:b1:57:04:e1:ae:78:fd +-----BEGIN CERTIFICATE----- +MIIFwDCCA6igAwIBAgIQHr9ZULjJgDdMBvfrVU+17TANBgkqhkiG9w0BAQ0FADB6 +MQswCQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEgU3lzdGVtcyBTLkEu +MScwJQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxHzAdBgNV +BAMTFkNlcnR1bSBUcnVzdGVkIFJvb3QgQ0EwHhcNMTgwMzE2MTIxMDEzWhcNNDMw +MzE2MTIxMDEzWjB6MQswCQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEg +U3lzdGVtcyBTLkEuMScwJQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRo +b3JpdHkxHzAdBgNVBAMTFkNlcnR1bSBUcnVzdGVkIFJvb3QgQ0EwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQDRLY67tzbqbTeRn06TpwXkKQMlzhyC93yZ 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Research Institutions CA +# Label: "HARICA TLS ECC Root CA 2021" +# Serial: 137515985548005187474074462014555733966 +# MD5 Fingerprint: ae:f7:4c:e5:66:35:d1:b7:9b:8c:22:93:74:d3:4b:b0 +# SHA1 Fingerprint: bc:b0:c1:9d:e9:98:92:70:19:38:57:e9:8d:a7:b4:5d:6e:ee:01:48 +# SHA256 Fingerprint: 3f:99:cc:47:4a:cf:ce:4d:fe:d5:87:94:66:5e:47:8d:15:47:73:9f:2e:78:0f:1b:b4:ca:9b:13:30:97:d4:01 +-----BEGIN CERTIFICATE----- +MIICVDCCAdugAwIBAgIQZ3SdjXfYO2rbIvT/WeK/zjAKBggqhkjOPQQDAzBsMQsw +CQYDVQQGEwJHUjE3MDUGA1UECgwuSGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJlc2Vh +cmNoIEluc3RpdHV0aW9ucyBDQTEkMCIGA1UEAwwbSEFSSUNBIFRMUyBFQ0MgUm9v +dCBDQSAyMDIxMB4XDTIxMDIxOTExMDExMFoXDTQ1MDIxMzExMDEwOVowbDELMAkG +A1UEBhMCR1IxNzA1BgNVBAoMLkhlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJj +aCBJbnN0aXR1dGlvbnMgQ0ExJDAiBgNVBAMMG0hBUklDQSBUTFMgRUNDIFJvb3Qg +Q0EgMjAyMTB2MBAGByqGSM49AgEGBSuBBAAiA2IABDgI/rGgltJ6rK9JOtDA4MM7 +KKrxcm1lAEeIhPyaJmuqS7psBAqIXhfyVYf8MLA04jRYVxqEU+kw2anylnTDUR9Y 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Services LLC +# Subject: CN=GTS Root R4 O=Google Trust Services LLC +# Label: "GTS Root R4" +# Serial: 159662532700760215368942768210 +# MD5 Fingerprint: 43:96:83:77:19:4d:76:b3:9d:65:52:e4:1d:22:a5:e8 +# SHA1 Fingerprint: 77:d3:03:67:b5:e0:0c:15:f6:0c:38:61:df:7c:e1:3b:92:46:4d:47 +# SHA256 Fingerprint: 34:9d:fa:40:58:c5:e2:63:12:3b:39:8a:e7:95:57:3c:4e:13:13:c8:3f:e6:8f:93:55:6c:d5:e8:03:1b:3c:7d +-----BEGIN CERTIFICATE----- +MIICCTCCAY6gAwIBAgINAgPlwGjvYxqccpBQUjAKBggqhkjOPQQDAzBHMQswCQYD +VQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExMQzEUMBIG +A1UEAxMLR1RTIFJvb3QgUjQwHhcNMTYwNjIyMDAwMDAwWhcNMzYwNjIyMDAwMDAw +WjBHMQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2Vz +IExMQzEUMBIGA1UEAxMLR1RTIFJvb3QgUjQwdjAQBgcqhkjOPQIBBgUrgQQAIgNi +AATzdHOnaItgrkO4NcWBMHtLSZ37wWHO5t5GvWvVYRg1rkDdc/eJkTBa6zzuhXyi +QHY7qca4R9gq55KRanPpsXI5nymfopjTX15YhmUPoYRlBtHci8nHc8iMai/lxKvR +HYqjQjBAMA4GA1UdDwEB/wQEAwIBhjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQW 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Root G5" +# Serial: 13129116028163249804115411775095713523 +# MD5 Fingerprint: d3:71:04:6a:43:1c:db:a6:59:e1:a8:a3:aa:c5:71:ed +# SHA1 Fingerprint: 17:f3:de:5e:9f:0f:19:e9:8e:f6:1f:32:26:6e:20:c4:07:ae:30:ee +# SHA256 Fingerprint: 01:8e:13:f0:77:25:32:cf:80:9b:d1:b1:72:81:86:72:83:fc:48:c6:e1:3b:e9:c6:98:12:85:4a:49:0c:1b:05 +-----BEGIN CERTIFICATE----- +MIICGTCCAZ+gAwIBAgIQCeCTZaz32ci5PhwLBCou8zAKBggqhkjOPQQDAzBOMQsw +CQYDVQQGEwJVUzEXMBUGA1UEChMORGlnaUNlcnQsIEluYy4xJjAkBgNVBAMTHURp +Z2lDZXJ0IFRMUyBFQ0MgUDM4NCBSb290IEc1MB4XDTIxMDExNTAwMDAwMFoXDTQ2 +MDExNDIzNTk1OVowTjELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDkRpZ2lDZXJ0LCBJ +bmMuMSYwJAYDVQQDEx1EaWdpQ2VydCBUTFMgRUNDIFAzODQgUm9vdCBHNTB2MBAG +ByqGSM49AgEGBSuBBAAiA2IABMFEoc8Rl1Ca3iOCNQfN0MsYndLxf3c1TzvdlHJS +7cI7+Oz6e2tYIOyZrsn8aLN1udsJ7MgT9U7GCh1mMEy7H0cKPGEQQil8pQgO4CLp +0zVozptjn4S1mU1YoI71VOeVyaNCMEAwHQYDVR0OBBYEFMFRRVBZqz7nLFr6ICIS +B4CIfBFqMA4GA1UdDwEB/wQEAwIBhjAPBgNVHRMBAf8EBTADAQH/MAoGCCqGSM49 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Systems CO.,LTD. +# Label: "Security Communication ECC RootCA1" +# Serial: 15446673492073852651 +# MD5 Fingerprint: 7e:43:b0:92:68:ec:05:43:4c:98:ab:5d:35:2e:7e:86 +# SHA1 Fingerprint: b8:0e:26:a9:bf:d2:b2:3b:c0:ef:46:c9:ba:c7:bb:f6:1d:0d:41:41 +# SHA256 Fingerprint: e7:4f:bd:a5:5b:d5:64:c4:73:a3:6b:44:1a:a7:99:c8:a6:8e:07:74:40:e8:28:8b:9f:a1:e5:0e:4b:ba:ca:11 +-----BEGIN CERTIFICATE----- +MIICODCCAb6gAwIBAgIJANZdm7N4gS7rMAoGCCqGSM49BAMDMGExCzAJBgNVBAYT +AkpQMSUwIwYDVQQKExxTRUNPTSBUcnVzdCBTeXN0ZW1zIENPLixMVEQuMSswKQYD +VQQDEyJTZWN1cml0eSBDb21tdW5pY2F0aW9uIEVDQyBSb290Q0ExMB4XDTE2MDYx +NjA1MTUyOFoXDTM4MDExODA1MTUyOFowYTELMAkGA1UEBhMCSlAxJTAjBgNVBAoT +HFNFQ09NIFRydXN0IFN5c3RlbXMgQ08uLExURC4xKzApBgNVBAMTIlNlY3VyaXR5 +IENvbW11bmljYXRpb24gRUNDIFJvb3RDQTEwdjAQBgcqhkjOPQIBBgUrgQQAIgNi +AASkpW9gAwPDvTH00xecK4R1rOX9PVdu12O/5gSJko6BnOPpR27KkBLIE+Cnnfdl +dB9sELLo5OnvbYUymUSxXv3MdhDYW72ixvnWQuRXdtyQwjWpS4g8EkdtXP9JTxpK +ULGjQjBAMB0GA1UdDgQWBBSGHOf+LaVKiwj+KBH6vqNm+GBZLzAOBgNVHQ8BAf8E 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9f:5f:d9:1a:54:6d:f5:0c:71:f0:ee:7a:bd:17:49:98:84:73:e2:39 +# SHA256 Fingerprint: c3:2f:fd:9f:46:f9:36:d1:6c:36:73:99:09:59:43:4b:9a:d6:0a:af:bb:9e:7c:f3:36:54:f1:44:cc:1b:a1:43 +-----BEGIN CERTIFICATE----- +MIICOjCCAcCgAwIBAgIQFAP1q/s3ixdAW+JDsqXRxDAKBggqhkjOPQQDAzBOMQsw +CQYDVQQGEwJVUzEYMBYGA1UECgwPU1NMIENvcnBvcmF0aW9uMSUwIwYDVQQDDBxT +U0wuY29tIFRMUyBFQ0MgUm9vdCBDQSAyMDIyMB4XDTIyMDgyNTE2MzM0OFoXDTQ2 +MDgxOTE2MzM0N1owTjELMAkGA1UEBhMCVVMxGDAWBgNVBAoMD1NTTCBDb3Jwb3Jh +dGlvbjElMCMGA1UEAwwcU1NMLmNvbSBUTFMgRUNDIFJvb3QgQ0EgMjAyMjB2MBAG +ByqGSM49AgEGBSuBBAAiA2IABEUpNXP6wrgjzhR9qLFNoFs27iosU8NgCTWyJGYm +acCzldZdkkAZDsalE3D07xJRKF3nzL35PIXBz5SQySvOkkJYWWf9lCcQZIxPBLFN +SeR7T5v15wj4A4j3p8OSSxlUgaNjMGEwDwYDVR0TAQH/BAUwAwEB/zAfBgNVHSME +GDAWgBSJjy+j6CugFFR781a4Jl9nOAuc0DAdBgNVHQ4EFgQUiY8vo+groBRUe/NW +uCZfZzgLnNAwDgYDVR0PAQH/BAQDAgGGMAoGCCqGSM49BAMDA2gAMGUCMFXjIlbp +15IkWE8elDIPDAI2wv2sdDJO4fscgIijzPvX6yv/N33w7deedWo1dlJF4AIxAMeN +b0Igj762TVntd00pxCAgRWSGOlDGxK0tk/UYfXLtqc/ErFc2KAhl3zx5Zn6g6g== +-----END CERTIFICATE----- + +# Issuer: CN=Atos TrustedRoot Root CA ECC TLS 2021 O=Atos +# Subject: CN=Atos TrustedRoot Root CA ECC TLS 2021 O=Atos +# Label: "Atos TrustedRoot Root CA ECC TLS 2021" +# Serial: 81873346711060652204712539181482831616 +# MD5 Fingerprint: 16:9f:ad:f1:70:ad:79:d6:ed:29:b4:d1:c5:79:70:a8 +# SHA1 Fingerprint: 9e:bc:75:10:42:b3:02:f3:81:f4:f7:30:62:d4:8f:c3:a7:51:b2:dd +# SHA256 Fingerprint: b2:fa:e5:3e:14:cc:d7:ab:92:12:06:47:01:ae:27:9c:1d:89:88:fa:cb:77:5f:a8:a0:08:91:4e:66:39:88:a8 +-----BEGIN CERTIFICATE----- +MIICFTCCAZugAwIBAgIQPZg7pmY9kGP3fiZXOATvADAKBggqhkjOPQQDAzBMMS4w +LAYDVQQDDCVBdG9zIFRydXN0ZWRSb290IFJvb3QgQ0EgRUNDIFRMUyAyMDIxMQ0w +CwYDVQQKDARBdG9zMQswCQYDVQQGEwJERTAeFw0yMTA0MjIwOTI2MjNaFw00MTA0 +MTcwOTI2MjJaMEwxLjAsBgNVBAMMJUF0b3MgVHJ1c3RlZFJvb3QgUm9vdCBDQSBF +Q0MgVExTIDIwMjExDTALBgNVBAoMBEF0b3MxCzAJBgNVBAYTAkRFMHYwEAYHKoZI +zj0CAQYFK4EEACIDYgAEloZYKDcKZ9Cg3iQZGeHkBQcfl+3oZIK59sRxUM6KDP/X 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c1:ab:fe:6a:10:2c:03:8d:bc:1c:22:32:c0:85:a7:fd +# SHA1 Fingerprint: c0:f8:96:c5:a9:3b:01:06:21:07:da:18:42:48:bc:e9:9d:88:d5:ec +# SHA256 Fingerprint: 57:8a:f4:de:d0:85:3f:4e:59:98:db:4a:ea:f9:cb:ea:8d:94:5f:60:b6:20:a3:8d:1a:3c:13:b2:bc:7b:a8:e1 +-----BEGIN CERTIFICATE----- +MIICQjCCAcmgAwIBAgIQNjqWjMlcsljN0AFdxeVXADAKBggqhkjOPQQDAzBjMQsw +CQYDVQQGEwJERTEnMCUGA1UECgweRGV1dHNjaGUgVGVsZWtvbSBTZWN1cml0eSBH +bWJIMSswKQYDVQQDDCJUZWxla29tIFNlY3VyaXR5IFRMUyBFQ0MgUm9vdCAyMDIw +MB4XDTIwMDgyNTA3NDgyMFoXDTQ1MDgyNTIzNTk1OVowYzELMAkGA1UEBhMCREUx +JzAlBgNVBAoMHkRldXRzY2hlIFRlbGVrb20gU2VjdXJpdHkgR21iSDErMCkGA1UE +AwwiVGVsZWtvbSBTZWN1cml0eSBUTFMgRUNDIFJvb3QgMjAyMDB2MBAGByqGSM49 +AgEGBSuBBAAiA2IABM6//leov9Wq9xCazbzREaK9Z0LMkOsVGJDZos0MKiXrPk/O +tdKPD/M12kOLAoC+b1EkHQ9rK8qfwm9QMuU3ILYg/4gND21Ju9sGpIeQkpT0CdDP +f8iAC8GXs7s1J8nCG6NCMEAwHQYDVR0OBBYEFONyzG6VmUex5rNhTNHLq+O6zd6f +MA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMAoGCCqGSM49BAMDA2cA 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ignore[union-attr] + + +if sys.version_info >= (3, 11): + + from importlib.resources import as_file, files + + _CACERT_CTX = None + _CACERT_PATH = None + + def where() -> str: + # This is slightly terrible, but we want to delay extracting the file + # in cases where we're inside of a zipimport situation until someone + # actually calls where(), but we don't want to re-extract the file + # on every call of where(), so we'll do it once then store it in a + # global variable. + global _CACERT_CTX + global _CACERT_PATH + if _CACERT_PATH is None: + # This is slightly janky, the importlib.resources API wants you to + # manage the cleanup of this file, so it doesn't actually return a + # path, it returns a context manager that will give you the path + # when you enter it and will do any cleanup when you leave it. In + # the common case of not needing a temporary file, it will just + # return the file system location and the __exit__() is a no-op. + # + # We also have to hold onto the actual context manager, because + # it will do the cleanup whenever it gets garbage collected, so + # we will also store that at the global level as well. + _CACERT_CTX = as_file(files("certifi").joinpath("cacert.pem")) + _CACERT_PATH = str(_CACERT_CTX.__enter__()) + atexit.register(exit_cacert_ctx) + + return _CACERT_PATH + + def contents() -> str: + return files("certifi").joinpath("cacert.pem").read_text(encoding="ascii") + +elif sys.version_info >= (3, 7): + + from importlib.resources import path as get_path, read_text + + _CACERT_CTX = None + _CACERT_PATH = None + + def where() -> str: + # This is slightly terrible, but we want to delay extracting the + # file in cases where we're inside of a zipimport situation until + # someone actually calls where(), but we don't want to re-extract + # the file on every call of where(), so we'll do it once then store + # it in a global variable. + global _CACERT_CTX + global _CACERT_PATH + if _CACERT_PATH is None: + # This is slightly janky, the importlib.resources API wants you + # to manage the cleanup of this file, so it doesn't actually + # return a path, it returns a context manager that will give + # you the path when you enter it and will do any cleanup when + # you leave it. In the common case of not needing a temporary + # file, it will just return the file system location and the + # __exit__() is a no-op. + # + # We also have to hold onto the actual context manager, because + # it will do the cleanup whenever it gets garbage collected, so + # we will also store that at the global level as well. + _CACERT_CTX = get_path("certifi", "cacert.pem") + _CACERT_PATH = str(_CACERT_CTX.__enter__()) + atexit.register(exit_cacert_ctx) + + return _CACERT_PATH + + def contents() -> str: + return read_text("certifi", "cacert.pem", encoding="ascii") + +else: + import os + import types + from typing import Union + + Package = Union[types.ModuleType, str] + Resource = Union[str, "os.PathLike"] + + # This fallback will work for Python versions prior to 3.7 that lack the + # importlib.resources module but relies on the existing `where` function + # so won't address issues with environments like PyOxidizer that don't set + # __file__ on modules. + def read_text( + package: Package, + resource: Resource, + encoding: str = 'utf-8', + errors: str = 'strict' + ) -> str: + with open(where(), encoding=encoding) as data: + return data.read() + + # If we don't have importlib.resources, then we will just do the old logic + # of assuming we're on the filesystem and munge the path directly. + def where() -> str: + f = os.path.dirname(__file__) + + return os.path.join(f, "cacert.pem") + + def contents() -> str: + return read_text("certifi", "cacert.pem", encoding="ascii") diff --git a/venv/lib/python3.12/site-packages/certifi/py.typed b/venv/lib/python3.12/site-packages/certifi/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/LICENSE b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/LICENSE new file mode 100644 index 0000000..29225ee --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/LICENSE @@ -0,0 +1,26 @@ + +Except when otherwise stated (look for LICENSE files in directories or +information at the beginning of each file) all software and +documentation is licensed as follows: + + The MIT License + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without + restriction, including without limitation the rights to use, + copy, modify, merge, publish, distribute, sublicense, and/or + sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + diff --git a/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/METADATA b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/METADATA new file mode 100644 index 0000000..60b0779 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/METADATA @@ -0,0 +1,40 @@ +Metadata-Version: 2.1 +Name: cffi +Version: 1.17.1 +Summary: Foreign Function Interface for Python calling C code. +Home-page: http://cffi.readthedocs.org +Author: Armin Rigo, Maciej Fijalkowski +Author-email: python-cffi@googlegroups.com +License: MIT +Project-URL: Documentation, http://cffi.readthedocs.org/ +Project-URL: Source Code, https://github.com/python-cffi/cffi +Project-URL: Issue Tracker, https://github.com/python-cffi/cffi/issues +Project-URL: Changelog, https://cffi.readthedocs.io/en/latest/whatsnew.html +Project-URL: Downloads, https://github.com/python-cffi/cffi/releases +Project-URL: Contact, https://groups.google.com/forum/#!forum/python-cffi +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: 3.12 +Classifier: Programming Language :: Python :: 3.13 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: License :: OSI Approved :: MIT License +Requires-Python: >=3.8 +License-File: LICENSE +Requires-Dist: pycparser + + +CFFI +==== + +Foreign Function Interface for Python calling C code. +Please see the `Documentation `_. + +Contact +------- + +`Mailing list `_ diff --git a/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/RECORD b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/RECORD new file mode 100644 index 0000000..23fa52b --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/RECORD @@ -0,0 +1,48 @@ +_cffi_backend.cpython-312-x86_64-linux-gnu.so,sha256=-fK60bkCudr6tjAHt4dA3x_CHaOWgVs_Lb2J0JGO3Po,1114632 +cffi-1.17.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +cffi-1.17.1.dist-info/LICENSE,sha256=BLgPWwd7vtaICM_rreteNSPyqMmpZJXFh72W3x6sKjM,1294 +cffi-1.17.1.dist-info/METADATA,sha256=u6nuvP_qPJKu2zvIbi2zkGzVu7KjnnRIYUFyIrOY3j4,1531 +cffi-1.17.1.dist-info/RECORD,, +cffi-1.17.1.dist-info/WHEEL,sha256=h7F_RlbsFAwUaa98BSEEv6RQhdTqVo2FhuJDzTSKXxc,151 +cffi-1.17.1.dist-info/entry_points.txt,sha256=y6jTxnyeuLnL-XJcDv8uML3n6wyYiGRg8MTp_QGJ9Ho,75 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setuptools (74.1.1) +Root-Is-Purelib: false +Tag: cp312-cp312-manylinux_2_17_x86_64 +Tag: cp312-cp312-manylinux2014_x86_64 + diff --git a/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/entry_points.txt b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/entry_points.txt new file mode 100644 index 0000000..4b0274f --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/entry_points.txt @@ -0,0 +1,2 @@ +[distutils.setup_keywords] +cffi_modules = cffi.setuptools_ext:cffi_modules diff --git a/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/top_level.txt new file mode 100644 index 0000000..f645779 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi-1.17.1.dist-info/top_level.txt @@ -0,0 +1,2 @@ +_cffi_backend +cffi diff --git a/venv/lib/python3.12/site-packages/cffi/__init__.py b/venv/lib/python3.12/site-packages/cffi/__init__.py new file mode 100644 index 0000000..2e35a38 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/__init__.py @@ -0,0 +1,14 @@ +__all__ = ['FFI', 'VerificationError', 'VerificationMissing', 'CDefError', + 'FFIError'] + +from .api import FFI +from .error import CDefError, FFIError, VerificationError, VerificationMissing +from .error import PkgConfigError + +__version__ = "1.17.1" +__version_info__ = (1, 17, 1) + +# The verifier module file names are based on the CRC32 of a string that +# contains the following version number. It may be older than __version__ +# if nothing is clearly incompatible. +__version_verifier_modules__ = "0.8.6" diff --git a/venv/lib/python3.12/site-packages/cffi/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cffi/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..e4f18c9 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cffi/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cffi/__pycache__/_imp_emulation.cpython-312.pyc b/venv/lib/python3.12/site-packages/cffi/__pycache__/_imp_emulation.cpython-312.pyc new file mode 100644 index 0000000..9e8c00d Binary files /dev/null and b/venv/lib/python3.12/site-packages/cffi/__pycache__/_imp_emulation.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cffi/__pycache__/_shimmed_dist_utils.cpython-312.pyc b/venv/lib/python3.12/site-packages/cffi/__pycache__/_shimmed_dist_utils.cpython-312.pyc new file mode 100644 index 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b/venv/lib/python3.12/site-packages/cffi/__pycache__/verifier.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cffi/_cffi_errors.h b/venv/lib/python3.12/site-packages/cffi/_cffi_errors.h new file mode 100644 index 0000000..158e059 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/_cffi_errors.h @@ -0,0 +1,149 @@ +#ifndef CFFI_MESSAGEBOX +# ifdef _MSC_VER +# define CFFI_MESSAGEBOX 1 +# else +# define CFFI_MESSAGEBOX 0 +# endif +#endif + + +#if CFFI_MESSAGEBOX +/* Windows only: logic to take the Python-CFFI embedding logic + initialization errors and display them in a background thread + with MessageBox. The idea is that if the whole program closes + as a result of this problem, then likely it is already a console + program and you can read the stderr output in the console too. + If it is not a console program, then it will likely show its own + dialog to complain, or generally not abruptly close, and for this + case the background thread should stay alive. +*/ +static void *volatile _cffi_bootstrap_text; + +static PyObject *_cffi_start_error_capture(void) +{ + PyObject *result = NULL; + PyObject *x, *m, *bi; + + if (InterlockedCompareExchangePointer(&_cffi_bootstrap_text, + (void *)1, NULL) != NULL) + return (PyObject *)1; + + m = PyImport_AddModule("_cffi_error_capture"); + if (m == NULL) + goto error; + + result = PyModule_GetDict(m); + if (result == NULL) + goto error; + +#if PY_MAJOR_VERSION >= 3 + bi = PyImport_ImportModule("builtins"); +#else + bi = PyImport_ImportModule("__builtin__"); +#endif + if (bi == NULL) + goto error; + PyDict_SetItemString(result, "__builtins__", bi); + Py_DECREF(bi); + + x = PyRun_String( + "import sys\n" + "class FileLike:\n" + " def write(self, x):\n" + " try:\n" + " of.write(x)\n" + " except: pass\n" + " self.buf += x\n" + " def flush(self):\n" + " pass\n" + "fl = FileLike()\n" + "fl.buf = ''\n" + "of = sys.stderr\n" + "sys.stderr = fl\n" + "def done():\n" + " sys.stderr = of\n" + " return fl.buf\n", /* make sure the returned value stays alive */ + Py_file_input, + result, result); + Py_XDECREF(x); + + error: + if (PyErr_Occurred()) + { + PyErr_WriteUnraisable(Py_None); + PyErr_Clear(); + } + return result; +} + +#pragma comment(lib, "user32.lib") + +static DWORD WINAPI _cffi_bootstrap_dialog(LPVOID ignored) +{ + Sleep(666); /* may be interrupted if the whole process is closing */ +#if PY_MAJOR_VERSION >= 3 + MessageBoxW(NULL, (wchar_t *)_cffi_bootstrap_text, + L"Python-CFFI error", + MB_OK | MB_ICONERROR); +#else + MessageBoxA(NULL, (char *)_cffi_bootstrap_text, + "Python-CFFI error", + MB_OK | MB_ICONERROR); +#endif + _cffi_bootstrap_text = NULL; + return 0; +} + +static void _cffi_stop_error_capture(PyObject *ecap) +{ + PyObject *s; + void *text; + + if (ecap == (PyObject *)1) + return; + + if (ecap == NULL) + goto error; + + s = PyRun_String("done()", Py_eval_input, ecap, ecap); + if (s == NULL) + goto error; + + /* Show a dialog box, but in a background thread, and + never show multiple dialog boxes at once. */ +#if PY_MAJOR_VERSION >= 3 + text = PyUnicode_AsWideCharString(s, NULL); +#else + text = PyString_AsString(s); +#endif + + _cffi_bootstrap_text = text; + + if (text != NULL) + { + HANDLE h; + h = CreateThread(NULL, 0, _cffi_bootstrap_dialog, + NULL, 0, NULL); + if (h != NULL) + CloseHandle(h); + } + /* decref the string, but it should stay alive as 'fl.buf' + in the small module above. It will really be freed only if + we later get another similar error. So it's a leak of at + most one copy of the small module. That's fine for this + situation which is usually a "fatal error" anyway. */ + Py_DECREF(s); + PyErr_Clear(); + return; + + error: + _cffi_bootstrap_text = NULL; + PyErr_Clear(); +} + +#else + +static PyObject *_cffi_start_error_capture(void) { return NULL; } +static void _cffi_stop_error_capture(PyObject *ecap) { } + +#endif diff --git a/venv/lib/python3.12/site-packages/cffi/_cffi_include.h b/venv/lib/python3.12/site-packages/cffi/_cffi_include.h new file mode 100644 index 0000000..908a1d7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/_cffi_include.h @@ -0,0 +1,389 @@ +#define _CFFI_ + +/* We try to define Py_LIMITED_API before including Python.h. + + Mess: we can only define it if Py_DEBUG, Py_TRACE_REFS and + Py_REF_DEBUG are not defined. This is a best-effort approximation: + we can learn about Py_DEBUG from pyconfig.h, but it is unclear if + the same works for the other two macros. Py_DEBUG implies them, + but not the other way around. + + The implementation is messy (issue #350): on Windows, with _MSC_VER, + we have to define Py_LIMITED_API even before including pyconfig.h. + In that case, we guess what pyconfig.h will do to the macros above, + and check our guess after the #include. + + Note that on Windows, with CPython 3.x, you need >= 3.5 and virtualenv + version >= 16.0.0. With older versions of either, you don't get a + copy of PYTHON3.DLL in the virtualenv. We can't check the version of + CPython *before* we even include pyconfig.h. ffi.set_source() puts + a ``#define _CFFI_NO_LIMITED_API'' at the start of this file if it is + running on Windows < 3.5, as an attempt at fixing it, but that's + arguably wrong because it may not be the target version of Python. + Still better than nothing I guess. As another workaround, you can + remove the definition of Py_LIMITED_API here. + + See also 'py_limited_api' in cffi/setuptools_ext.py. +*/ +#if !defined(_CFFI_USE_EMBEDDING) && !defined(Py_LIMITED_API) +# ifdef _MSC_VER +# if !defined(_DEBUG) && !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API) +# define Py_LIMITED_API +# endif +# include + /* sanity-check: Py_LIMITED_API will cause crashes if any of these + are also defined. Normally, the Python file PC/pyconfig.h does not + cause any of these to be defined, with the exception that _DEBUG + causes Py_DEBUG. Double-check that. */ +# ifdef Py_LIMITED_API +# if defined(Py_DEBUG) +# error "pyconfig.h unexpectedly defines Py_DEBUG, but Py_LIMITED_API is set" +# endif +# if defined(Py_TRACE_REFS) +# error "pyconfig.h unexpectedly defines Py_TRACE_REFS, but Py_LIMITED_API is set" +# endif +# if defined(Py_REF_DEBUG) +# error "pyconfig.h unexpectedly defines Py_REF_DEBUG, but Py_LIMITED_API is set" +# endif +# endif +# else +# include +# if !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API) +# define Py_LIMITED_API +# endif +# endif +#endif + +#include +#ifdef __cplusplus +extern "C" { +#endif +#include +#include "parse_c_type.h" + +/* this block of #ifs should be kept exactly identical between + c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py + and cffi/_cffi_include.h */ +#if defined(_MSC_VER) +# include /* for alloca() */ +# if _MSC_VER < 1600 /* MSVC < 2010 */ + typedef __int8 int8_t; + typedef __int16 int16_t; + typedef __int32 int32_t; + typedef __int64 int64_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; + typedef unsigned __int64 uint64_t; + typedef __int8 int_least8_t; + typedef __int16 int_least16_t; + typedef __int32 int_least32_t; + typedef __int64 int_least64_t; + typedef unsigned __int8 uint_least8_t; + typedef unsigned __int16 uint_least16_t; + typedef unsigned __int32 uint_least32_t; + typedef unsigned __int64 uint_least64_t; + typedef __int8 int_fast8_t; + typedef __int16 int_fast16_t; + typedef __int32 int_fast32_t; + typedef __int64 int_fast64_t; + typedef unsigned __int8 uint_fast8_t; + typedef unsigned __int16 uint_fast16_t; + typedef unsigned __int32 uint_fast32_t; + typedef unsigned __int64 uint_fast64_t; + typedef __int64 intmax_t; + typedef unsigned __int64 uintmax_t; +# else +# include +# endif +# if _MSC_VER < 1800 /* MSVC < 2013 */ +# ifndef __cplusplus + typedef unsigned char _Bool; +# endif +# endif +# define _cffi_float_complex_t _Fcomplex /* include for it */ +# define _cffi_double_complex_t _Dcomplex /* include for it */ +#else +# include +# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux) +# include +# endif +# define _cffi_float_complex_t float _Complex +# define _cffi_double_complex_t double _Complex +#endif + +#ifdef __GNUC__ +# define _CFFI_UNUSED_FN __attribute__((unused)) +#else +# define _CFFI_UNUSED_FN /* nothing */ +#endif + +#ifdef __cplusplus +# ifndef _Bool + typedef bool _Bool; /* semi-hackish: C++ has no _Bool; bool is builtin */ +# endif +#endif + +/********** CPython-specific section **********/ +#ifndef PYPY_VERSION + + +#if PY_MAJOR_VERSION >= 3 +# define PyInt_FromLong PyLong_FromLong +#endif + +#define _cffi_from_c_double PyFloat_FromDouble +#define _cffi_from_c_float PyFloat_FromDouble +#define _cffi_from_c_long PyInt_FromLong +#define _cffi_from_c_ulong PyLong_FromUnsignedLong +#define _cffi_from_c_longlong PyLong_FromLongLong +#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong +#define _cffi_from_c__Bool PyBool_FromLong + +#define _cffi_to_c_double PyFloat_AsDouble +#define _cffi_to_c_float PyFloat_AsDouble + +#define _cffi_from_c_int(x, type) \ + (((type)-1) > 0 ? /* unsigned */ \ + (sizeof(type) < sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + sizeof(type) == sizeof(long) ? \ + PyLong_FromUnsignedLong((unsigned long)x) : \ + PyLong_FromUnsignedLongLong((unsigned long long)x)) : \ + (sizeof(type) <= sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + PyLong_FromLongLong((long long)x))) + +#define _cffi_to_c_int(o, type) \ + ((type)( \ + sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o) \ + : (type)_cffi_to_c_i8(o)) : \ + sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o) \ + : (type)_cffi_to_c_i16(o)) : \ + sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o) \ + : (type)_cffi_to_c_i32(o)) : \ + sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o) \ + : (type)_cffi_to_c_i64(o)) : \ + (Py_FatalError("unsupported size for type " #type), (type)0))) + +#define _cffi_to_c_i8 \ + ((int(*)(PyObject *))_cffi_exports[1]) +#define _cffi_to_c_u8 \ + ((int(*)(PyObject *))_cffi_exports[2]) +#define _cffi_to_c_i16 \ + ((int(*)(PyObject *))_cffi_exports[3]) +#define _cffi_to_c_u16 \ + ((int(*)(PyObject *))_cffi_exports[4]) +#define _cffi_to_c_i32 \ + ((int(*)(PyObject *))_cffi_exports[5]) +#define _cffi_to_c_u32 \ + ((unsigned int(*)(PyObject *))_cffi_exports[6]) +#define _cffi_to_c_i64 \ + ((long long(*)(PyObject *))_cffi_exports[7]) +#define _cffi_to_c_u64 \ + ((unsigned long long(*)(PyObject *))_cffi_exports[8]) +#define _cffi_to_c_char \ + ((int(*)(PyObject *))_cffi_exports[9]) +#define _cffi_from_c_pointer \ + ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[10]) +#define _cffi_to_c_pointer \ + ((char *(*)(PyObject *, struct _cffi_ctypedescr *))_cffi_exports[11]) +#define _cffi_get_struct_layout \ + not used any more +#define _cffi_restore_errno \ + ((void(*)(void))_cffi_exports[13]) +#define _cffi_save_errno \ + ((void(*)(void))_cffi_exports[14]) +#define _cffi_from_c_char \ + ((PyObject *(*)(char))_cffi_exports[15]) +#define _cffi_from_c_deref \ + ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[16]) +#define _cffi_to_c \ + ((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[17]) +#define _cffi_from_c_struct \ + ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[18]) +#define _cffi_to_c_wchar_t \ + ((_cffi_wchar_t(*)(PyObject *))_cffi_exports[19]) +#define _cffi_from_c_wchar_t \ + ((PyObject *(*)(_cffi_wchar_t))_cffi_exports[20]) +#define _cffi_to_c_long_double \ + ((long double(*)(PyObject *))_cffi_exports[21]) +#define _cffi_to_c__Bool \ + ((_Bool(*)(PyObject *))_cffi_exports[22]) +#define _cffi_prepare_pointer_call_argument \ + ((Py_ssize_t(*)(struct _cffi_ctypedescr *, \ + PyObject *, char **))_cffi_exports[23]) +#define _cffi_convert_array_from_object \ + ((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[24]) +#define _CFFI_CPIDX 25 +#define _cffi_call_python \ + ((void(*)(struct _cffi_externpy_s *, char *))_cffi_exports[_CFFI_CPIDX]) +#define _cffi_to_c_wchar3216_t \ + ((int(*)(PyObject *))_cffi_exports[26]) +#define _cffi_from_c_wchar3216_t \ + ((PyObject *(*)(int))_cffi_exports[27]) +#define _CFFI_NUM_EXPORTS 28 + +struct _cffi_ctypedescr; + +static void *_cffi_exports[_CFFI_NUM_EXPORTS]; + +#define _cffi_type(index) ( \ + assert((((uintptr_t)_cffi_types[index]) & 1) == 0), \ + (struct _cffi_ctypedescr *)_cffi_types[index]) + +static PyObject *_cffi_init(const char *module_name, Py_ssize_t version, + const struct _cffi_type_context_s *ctx) +{ + PyObject *module, *o_arg, *new_module; + void *raw[] = { + (void *)module_name, + (void *)version, + (void *)_cffi_exports, + (void *)ctx, + }; + + module = PyImport_ImportModule("_cffi_backend"); + if (module == NULL) + goto failure; + + o_arg = PyLong_FromVoidPtr((void *)raw); + if (o_arg == NULL) + goto failure; + + new_module = PyObject_CallMethod( + module, (char *)"_init_cffi_1_0_external_module", (char *)"O", o_arg); + + Py_DECREF(o_arg); + Py_DECREF(module); + return new_module; + + failure: + Py_XDECREF(module); + return NULL; +} + + +#ifdef HAVE_WCHAR_H +typedef wchar_t _cffi_wchar_t; +#else +typedef uint16_t _cffi_wchar_t; /* same random pick as _cffi_backend.c */ +#endif + +_CFFI_UNUSED_FN static uint16_t _cffi_to_c_char16_t(PyObject *o) +{ + if (sizeof(_cffi_wchar_t) == 2) + return (uint16_t)_cffi_to_c_wchar_t(o); + else + return (uint16_t)_cffi_to_c_wchar3216_t(o); +} + +_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char16_t(uint16_t x) +{ + if (sizeof(_cffi_wchar_t) == 2) + return _cffi_from_c_wchar_t((_cffi_wchar_t)x); + else + return _cffi_from_c_wchar3216_t((int)x); +} + +_CFFI_UNUSED_FN static int _cffi_to_c_char32_t(PyObject *o) +{ + if (sizeof(_cffi_wchar_t) == 4) + return (int)_cffi_to_c_wchar_t(o); + else + return (int)_cffi_to_c_wchar3216_t(o); +} + +_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char32_t(unsigned int x) +{ + if (sizeof(_cffi_wchar_t) == 4) + return _cffi_from_c_wchar_t((_cffi_wchar_t)x); + else + return _cffi_from_c_wchar3216_t((int)x); +} + +union _cffi_union_alignment_u { + unsigned char m_char; + unsigned short m_short; + unsigned int m_int; + unsigned long m_long; + unsigned long long m_longlong; + float m_float; + double m_double; + long double m_longdouble; +}; + +struct _cffi_freeme_s { + struct _cffi_freeme_s *next; + union _cffi_union_alignment_u alignment; +}; + +_CFFI_UNUSED_FN static int +_cffi_convert_array_argument(struct _cffi_ctypedescr *ctptr, PyObject *arg, + char **output_data, Py_ssize_t datasize, + struct _cffi_freeme_s **freeme) +{ + char *p; + if (datasize < 0) + return -1; + + p = *output_data; + if (p == NULL) { + struct _cffi_freeme_s *fp = (struct _cffi_freeme_s *)PyObject_Malloc( + offsetof(struct _cffi_freeme_s, alignment) + (size_t)datasize); + if (fp == NULL) + return -1; + fp->next = *freeme; + *freeme = fp; + p = *output_data = (char *)&fp->alignment; + } + memset((void *)p, 0, (size_t)datasize); + return _cffi_convert_array_from_object(p, ctptr, arg); +} + +_CFFI_UNUSED_FN static void +_cffi_free_array_arguments(struct _cffi_freeme_s *freeme) +{ + do { + void *p = (void *)freeme; + freeme = freeme->next; + PyObject_Free(p); + } while (freeme != NULL); +} + +/********** end CPython-specific section **********/ +#else +_CFFI_UNUSED_FN +static void (*_cffi_call_python_org)(struct _cffi_externpy_s *, char *); +# define _cffi_call_python _cffi_call_python_org +#endif + + +#define _cffi_array_len(array) (sizeof(array) / sizeof((array)[0])) + +#define _cffi_prim_int(size, sign) \ + ((size) == 1 ? ((sign) ? _CFFI_PRIM_INT8 : _CFFI_PRIM_UINT8) : \ + (size) == 2 ? ((sign) ? _CFFI_PRIM_INT16 : _CFFI_PRIM_UINT16) : \ + (size) == 4 ? ((sign) ? _CFFI_PRIM_INT32 : _CFFI_PRIM_UINT32) : \ + (size) == 8 ? ((sign) ? _CFFI_PRIM_INT64 : _CFFI_PRIM_UINT64) : \ + _CFFI__UNKNOWN_PRIM) + +#define _cffi_prim_float(size) \ + ((size) == sizeof(float) ? _CFFI_PRIM_FLOAT : \ + (size) == sizeof(double) ? _CFFI_PRIM_DOUBLE : \ + (size) == sizeof(long double) ? _CFFI__UNKNOWN_LONG_DOUBLE : \ + _CFFI__UNKNOWN_FLOAT_PRIM) + +#define _cffi_check_int(got, got_nonpos, expected) \ + ((got_nonpos) == (expected <= 0) && \ + (got) == (unsigned long long)expected) + +#ifdef MS_WIN32 +# define _cffi_stdcall __stdcall +#else +# define _cffi_stdcall /* nothing */ +#endif + +#ifdef __cplusplus +} +#endif diff --git a/venv/lib/python3.12/site-packages/cffi/_embedding.h b/venv/lib/python3.12/site-packages/cffi/_embedding.h new file mode 100644 index 0000000..94d8b30 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/_embedding.h @@ -0,0 +1,550 @@ + +/***** Support code for embedding *****/ + +#ifdef __cplusplus +extern "C" { +#endif + + +#if defined(_WIN32) +# define CFFI_DLLEXPORT __declspec(dllexport) +#elif defined(__GNUC__) +# define CFFI_DLLEXPORT __attribute__((visibility("default"))) +#else +# define CFFI_DLLEXPORT /* nothing */ +#endif + + +/* There are two global variables of type _cffi_call_python_fnptr: + + * _cffi_call_python, which we declare just below, is the one called + by ``extern "Python"`` implementations. + + * _cffi_call_python_org, which on CPython is actually part of the + _cffi_exports[] array, is the function pointer copied from + _cffi_backend. If _cffi_start_python() fails, then this is set + to NULL; otherwise, it should never be NULL. + + After initialization is complete, both are equal. However, the + first one remains equal to &_cffi_start_and_call_python until the + very end of initialization, when we are (or should be) sure that + concurrent threads also see a completely initialized world, and + only then is it changed. +*/ +#undef _cffi_call_python +typedef void (*_cffi_call_python_fnptr)(struct _cffi_externpy_s *, char *); +static void _cffi_start_and_call_python(struct _cffi_externpy_s *, char *); +static _cffi_call_python_fnptr _cffi_call_python = &_cffi_start_and_call_python; + + +#ifndef _MSC_VER + /* --- Assuming a GCC not infinitely old --- */ +# define cffi_compare_and_swap(l,o,n) __sync_bool_compare_and_swap(l,o,n) +# define cffi_write_barrier() __sync_synchronize() +# if !defined(__amd64__) && !defined(__x86_64__) && \ + !defined(__i386__) && !defined(__i386) +# define cffi_read_barrier() __sync_synchronize() +# else +# define cffi_read_barrier() (void)0 +# endif +#else + /* --- Windows threads version --- */ +# include +# define cffi_compare_and_swap(l,o,n) \ + (InterlockedCompareExchangePointer(l,n,o) == (o)) +# define cffi_write_barrier() InterlockedCompareExchange(&_cffi_dummy,0,0) +# define cffi_read_barrier() (void)0 +static volatile LONG _cffi_dummy; +#endif + +#ifdef WITH_THREAD +# ifndef _MSC_VER +# include + static pthread_mutex_t _cffi_embed_startup_lock; +# else + static CRITICAL_SECTION _cffi_embed_startup_lock; +# endif + static char _cffi_embed_startup_lock_ready = 0; +#endif + +static void _cffi_acquire_reentrant_mutex(void) +{ + static void *volatile lock = NULL; + + while (!cffi_compare_and_swap(&lock, NULL, (void *)1)) { + /* should ideally do a spin loop instruction here, but + hard to do it portably and doesn't really matter I + think: pthread_mutex_init() should be very fast, and + this is only run at start-up anyway. */ + } + +#ifdef WITH_THREAD + if (!_cffi_embed_startup_lock_ready) { +# ifndef _MSC_VER + pthread_mutexattr_t attr; + pthread_mutexattr_init(&attr); + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); + pthread_mutex_init(&_cffi_embed_startup_lock, &attr); +# else + InitializeCriticalSection(&_cffi_embed_startup_lock); +# endif + _cffi_embed_startup_lock_ready = 1; + } +#endif + + while (!cffi_compare_and_swap(&lock, (void *)1, NULL)) + ; + +#ifndef _MSC_VER + pthread_mutex_lock(&_cffi_embed_startup_lock); +#else + EnterCriticalSection(&_cffi_embed_startup_lock); +#endif +} + +static void _cffi_release_reentrant_mutex(void) +{ +#ifndef _MSC_VER + pthread_mutex_unlock(&_cffi_embed_startup_lock); +#else + LeaveCriticalSection(&_cffi_embed_startup_lock); +#endif +} + + +/********** CPython-specific section **********/ +#ifndef PYPY_VERSION + +#include "_cffi_errors.h" + + +#define _cffi_call_python_org _cffi_exports[_CFFI_CPIDX] + +PyMODINIT_FUNC _CFFI_PYTHON_STARTUP_FUNC(void); /* forward */ + +static void _cffi_py_initialize(void) +{ + /* XXX use initsigs=0, which "skips initialization registration of + signal handlers, which might be useful when Python is + embedded" according to the Python docs. But review and think + if it should be a user-controllable setting. + + XXX we should also give a way to write errors to a buffer + instead of to stderr. + + XXX if importing 'site' fails, CPython (any version) calls + exit(). Should we try to work around this behavior here? + */ + Py_InitializeEx(0); +} + +static int _cffi_initialize_python(void) +{ + /* This initializes Python, imports _cffi_backend, and then the + present .dll/.so is set up as a CPython C extension module. + */ + int result; + PyGILState_STATE state; + PyObject *pycode=NULL, *global_dict=NULL, *x; + PyObject *builtins; + + state = PyGILState_Ensure(); + + /* Call the initxxx() function from the present module. It will + create and initialize us as a CPython extension module, instead + of letting the startup Python code do it---it might reimport + the same .dll/.so and get maybe confused on some platforms. + It might also have troubles locating the .dll/.so again for all + I know. + */ + (void)_CFFI_PYTHON_STARTUP_FUNC(); + if (PyErr_Occurred()) + goto error; + + /* Now run the Python code provided to ffi.embedding_init_code(). + */ + pycode = Py_CompileString(_CFFI_PYTHON_STARTUP_CODE, + "", + Py_file_input); + if (pycode == NULL) + goto error; + global_dict = PyDict_New(); + if (global_dict == NULL) + goto error; + builtins = PyEval_GetBuiltins(); + if (builtins == NULL) + goto error; + if (PyDict_SetItemString(global_dict, "__builtins__", builtins) < 0) + goto error; + x = PyEval_EvalCode( +#if PY_MAJOR_VERSION < 3 + (PyCodeObject *) +#endif + pycode, global_dict, global_dict); + if (x == NULL) + goto error; + Py_DECREF(x); + + /* Done! Now if we've been called from + _cffi_start_and_call_python() in an ``extern "Python"``, we can + only hope that the Python code did correctly set up the + corresponding @ffi.def_extern() function. Otherwise, the + general logic of ``extern "Python"`` functions (inside the + _cffi_backend module) will find that the reference is still + missing and print an error. + */ + result = 0; + done: + Py_XDECREF(pycode); + Py_XDECREF(global_dict); + PyGILState_Release(state); + return result; + + error:; + { + /* Print as much information as potentially useful. + Debugging load-time failures with embedding is not fun + */ + PyObject *ecap; + PyObject *exception, *v, *tb, *f, *modules, *mod; + PyErr_Fetch(&exception, &v, &tb); + ecap = _cffi_start_error_capture(); + f = PySys_GetObject((char *)"stderr"); + if (f != NULL && f != Py_None) { + PyFile_WriteString( + "Failed to initialize the Python-CFFI embedding logic:\n\n", f); + } + + if (exception != NULL) { + PyErr_NormalizeException(&exception, &v, &tb); + PyErr_Display(exception, v, tb); + } + Py_XDECREF(exception); + Py_XDECREF(v); + Py_XDECREF(tb); + + if (f != NULL && f != Py_None) { + PyFile_WriteString("\nFrom: " _CFFI_MODULE_NAME + "\ncompiled with cffi version: 1.17.1" + "\n_cffi_backend module: ", f); + modules = PyImport_GetModuleDict(); + mod = PyDict_GetItemString(modules, "_cffi_backend"); + if (mod == NULL) { + PyFile_WriteString("not loaded", f); + } + else { + v = PyObject_GetAttrString(mod, "__file__"); + PyFile_WriteObject(v, f, 0); + Py_XDECREF(v); + } + PyFile_WriteString("\nsys.path: ", f); + PyFile_WriteObject(PySys_GetObject((char *)"path"), f, 0); + PyFile_WriteString("\n\n", f); + } + _cffi_stop_error_capture(ecap); + } + result = -1; + goto done; +} + +#if PY_VERSION_HEX < 0x03080000 +PyAPI_DATA(char *) _PyParser_TokenNames[]; /* from CPython */ +#endif + +static int _cffi_carefully_make_gil(void) +{ + /* This does the basic initialization of Python. It can be called + completely concurrently from unrelated threads. It assumes + that we don't hold the GIL before (if it exists), and we don't + hold it afterwards. + + (What it really does used to be completely different in Python 2 + and Python 3, with the Python 2 solution avoiding the spin-lock + around the Py_InitializeEx() call. However, after recent changes + to CPython 2.7 (issue #358) it no longer works. So we use the + Python 3 solution everywhere.) + + This initializes Python by calling Py_InitializeEx(). + Important: this must not be called concurrently at all. + So we use a global variable as a simple spin lock. This global + variable must be from 'libpythonX.Y.so', not from this + cffi-based extension module, because it must be shared from + different cffi-based extension modules. + + In Python < 3.8, we choose + _PyParser_TokenNames[0] as a completely arbitrary pointer value + that is never written to. The default is to point to the + string "ENDMARKER". We change it temporarily to point to the + next character in that string. (Yes, I know it's REALLY + obscure.) + + In Python >= 3.8, this string array is no longer writable, so + instead we pick PyCapsuleType.tp_version_tag. We can't change + Python < 3.8 because someone might use a mixture of cffi + embedded modules, some of which were compiled before this file + changed. + + In Python >= 3.12, this stopped working because that particular + tp_version_tag gets modified during interpreter startup. It's + arguably a bad idea before 3.12 too, but again we can't change + that because someone might use a mixture of cffi embedded + modules, and no-one reported a bug so far. In Python >= 3.12 + we go instead for PyCapsuleType.tp_as_buffer, which is supposed + to always be NULL. We write to it temporarily a pointer to + a struct full of NULLs, which is semantically the same. + */ + +#ifdef WITH_THREAD +# if PY_VERSION_HEX < 0x03080000 + char *volatile *lock = (char *volatile *)_PyParser_TokenNames; + char *old_value, *locked_value; + + while (1) { /* spin loop */ + old_value = *lock; + locked_value = old_value + 1; + if (old_value[0] == 'E') { + assert(old_value[1] == 'N'); + if (cffi_compare_and_swap(lock, old_value, locked_value)) + break; + } + else { + assert(old_value[0] == 'N'); + /* should ideally do a spin loop instruction here, but + hard to do it portably and doesn't really matter I + think: PyEval_InitThreads() should be very fast, and + this is only run at start-up anyway. */ + } + } +# else +# if PY_VERSION_HEX < 0x030C0000 + int volatile *lock = (int volatile *)&PyCapsule_Type.tp_version_tag; + int old_value, locked_value = -42; + assert(!(PyCapsule_Type.tp_flags & Py_TPFLAGS_HAVE_VERSION_TAG)); +# else + static struct ebp_s { PyBufferProcs buf; int mark; } empty_buffer_procs; + empty_buffer_procs.mark = -42; + PyBufferProcs *volatile *lock = (PyBufferProcs *volatile *) + &PyCapsule_Type.tp_as_buffer; + PyBufferProcs *old_value, *locked_value = &empty_buffer_procs.buf; +# endif + + while (1) { /* spin loop */ + old_value = *lock; + if (old_value == 0) { + if (cffi_compare_and_swap(lock, old_value, locked_value)) + break; + } + else { +# if PY_VERSION_HEX < 0x030C0000 + assert(old_value == locked_value); +# else + /* The pointer should point to a possibly different + empty_buffer_procs from another C extension module */ + assert(((struct ebp_s *)old_value)->mark == -42); +# endif + /* should ideally do a spin loop instruction here, but + hard to do it portably and doesn't really matter I + think: PyEval_InitThreads() should be very fast, and + this is only run at start-up anyway. */ + } + } +# endif +#endif + + /* call Py_InitializeEx() */ + if (!Py_IsInitialized()) { + _cffi_py_initialize(); +#if PY_VERSION_HEX < 0x03070000 + PyEval_InitThreads(); +#endif + PyEval_SaveThread(); /* release the GIL */ + /* the returned tstate must be the one that has been stored into the + autoTLSkey by _PyGILState_Init() called from Py_Initialize(). */ + } + else { +#if PY_VERSION_HEX < 0x03070000 + /* PyEval_InitThreads() is always a no-op from CPython 3.7 */ + PyGILState_STATE state = PyGILState_Ensure(); + PyEval_InitThreads(); + PyGILState_Release(state); +#endif + } + +#ifdef WITH_THREAD + /* release the lock */ + while (!cffi_compare_and_swap(lock, locked_value, old_value)) + ; +#endif + + return 0; +} + +/********** end CPython-specific section **********/ + + +#else + + +/********** PyPy-specific section **********/ + +PyMODINIT_FUNC _CFFI_PYTHON_STARTUP_FUNC(const void *[]); /* forward */ + +static struct _cffi_pypy_init_s { + const char *name; + void *func; /* function pointer */ + const char *code; +} _cffi_pypy_init = { + _CFFI_MODULE_NAME, + _CFFI_PYTHON_STARTUP_FUNC, + _CFFI_PYTHON_STARTUP_CODE, +}; + +extern int pypy_carefully_make_gil(const char *); +extern int pypy_init_embedded_cffi_module(int, struct _cffi_pypy_init_s *); + +static int _cffi_carefully_make_gil(void) +{ + return pypy_carefully_make_gil(_CFFI_MODULE_NAME); +} + +static int _cffi_initialize_python(void) +{ + return pypy_init_embedded_cffi_module(0xB011, &_cffi_pypy_init); +} + +/********** end PyPy-specific section **********/ + + +#endif + + +#ifdef __GNUC__ +__attribute__((noinline)) +#endif +static _cffi_call_python_fnptr _cffi_start_python(void) +{ + /* Delicate logic to initialize Python. This function can be + called multiple times concurrently, e.g. when the process calls + its first ``extern "Python"`` functions in multiple threads at + once. It can also be called recursively, in which case we must + ignore it. We also have to consider what occurs if several + different cffi-based extensions reach this code in parallel + threads---it is a different copy of the code, then, and we + can't have any shared global variable unless it comes from + 'libpythonX.Y.so'. + + Idea: + + * _cffi_carefully_make_gil(): "carefully" call + PyEval_InitThreads() (possibly with Py_InitializeEx() first). + + * then we use a (local) custom lock to make sure that a call to this + cffi-based extension will wait if another call to the *same* + extension is running the initialization in another thread. + It is reentrant, so that a recursive call will not block, but + only one from a different thread. + + * then we grab the GIL and (Python 2) we call Py_InitializeEx(). + At this point, concurrent calls to Py_InitializeEx() are not + possible: we have the GIL. + + * do the rest of the specific initialization, which may + temporarily release the GIL but not the custom lock. + Only release the custom lock when we are done. + */ + static char called = 0; + + if (_cffi_carefully_make_gil() != 0) + return NULL; + + _cffi_acquire_reentrant_mutex(); + + /* Here the GIL exists, but we don't have it. We're only protected + from concurrency by the reentrant mutex. */ + + /* This file only initializes the embedded module once, the first + time this is called, even if there are subinterpreters. */ + if (!called) { + called = 1; /* invoke _cffi_initialize_python() only once, + but don't set '_cffi_call_python' right now, + otherwise concurrent threads won't call + this function at all (we need them to wait) */ + if (_cffi_initialize_python() == 0) { + /* now initialization is finished. Switch to the fast-path. */ + + /* We would like nobody to see the new value of + '_cffi_call_python' without also seeing the rest of the + data initialized. However, this is not possible. But + the new value of '_cffi_call_python' is the function + 'cffi_call_python()' from _cffi_backend. So: */ + cffi_write_barrier(); + /* ^^^ we put a write barrier here, and a corresponding + read barrier at the start of cffi_call_python(). This + ensures that after that read barrier, we see everything + done here before the write barrier. + */ + + assert(_cffi_call_python_org != NULL); + _cffi_call_python = (_cffi_call_python_fnptr)_cffi_call_python_org; + } + else { + /* initialization failed. Reset this to NULL, even if it was + already set to some other value. Future calls to + _cffi_start_python() are still forced to occur, and will + always return NULL from now on. */ + _cffi_call_python_org = NULL; + } + } + + _cffi_release_reentrant_mutex(); + + return (_cffi_call_python_fnptr)_cffi_call_python_org; +} + +static +void _cffi_start_and_call_python(struct _cffi_externpy_s *externpy, char *args) +{ + _cffi_call_python_fnptr fnptr; + int current_err = errno; +#ifdef _MSC_VER + int current_lasterr = GetLastError(); +#endif + fnptr = _cffi_start_python(); + if (fnptr == NULL) { + fprintf(stderr, "function %s() called, but initialization code " + "failed. Returning 0.\n", externpy->name); + memset(args, 0, externpy->size_of_result); + } +#ifdef _MSC_VER + SetLastError(current_lasterr); +#endif + errno = current_err; + + if (fnptr != NULL) + fnptr(externpy, args); +} + + +/* The cffi_start_python() function makes sure Python is initialized + and our cffi module is set up. It can be called manually from the + user C code. The same effect is obtained automatically from any + dll-exported ``extern "Python"`` function. This function returns + -1 if initialization failed, 0 if all is OK. */ +_CFFI_UNUSED_FN +static int cffi_start_python(void) +{ + if (_cffi_call_python == &_cffi_start_and_call_python) { + if (_cffi_start_python() == NULL) + return -1; + } + cffi_read_barrier(); + return 0; +} + +#undef cffi_compare_and_swap +#undef cffi_write_barrier +#undef cffi_read_barrier + +#ifdef __cplusplus +} +#endif diff --git a/venv/lib/python3.12/site-packages/cffi/_imp_emulation.py b/venv/lib/python3.12/site-packages/cffi/_imp_emulation.py new file mode 100644 index 0000000..136abdd --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/_imp_emulation.py @@ -0,0 +1,83 @@ + +try: + # this works on Python < 3.12 + from imp import * + +except ImportError: + # this is a limited emulation for Python >= 3.12. + # Note that this is used only for tests or for the old ffi.verify(). + # This is copied from the source code of Python 3.11. + + from _imp import (acquire_lock, release_lock, + is_builtin, is_frozen) + + from importlib._bootstrap import _load + + from importlib import machinery + import os + import sys + import tokenize + + SEARCH_ERROR = 0 + PY_SOURCE = 1 + PY_COMPILED = 2 + C_EXTENSION = 3 + PY_RESOURCE = 4 + PKG_DIRECTORY = 5 + C_BUILTIN = 6 + PY_FROZEN = 7 + PY_CODERESOURCE = 8 + IMP_HOOK = 9 + + def get_suffixes(): + extensions = [(s, 'rb', C_EXTENSION) + for s in machinery.EXTENSION_SUFFIXES] + source = [(s, 'r', PY_SOURCE) for s in machinery.SOURCE_SUFFIXES] + bytecode = [(s, 'rb', PY_COMPILED) for s in machinery.BYTECODE_SUFFIXES] + return extensions + source + bytecode + + def find_module(name, path=None): + if not isinstance(name, str): + raise TypeError("'name' must be a str, not {}".format(type(name))) + elif not isinstance(path, (type(None), list)): + # Backwards-compatibility + raise RuntimeError("'path' must be None or a list, " + "not {}".format(type(path))) + + if path is None: + if is_builtin(name): + return None, None, ('', '', C_BUILTIN) + elif is_frozen(name): + return None, None, ('', '', PY_FROZEN) + else: + path = sys.path + + for entry in path: + package_directory = os.path.join(entry, name) + for suffix in ['.py', machinery.BYTECODE_SUFFIXES[0]]: + package_file_name = '__init__' + suffix + file_path = os.path.join(package_directory, package_file_name) + if os.path.isfile(file_path): + return None, package_directory, ('', '', PKG_DIRECTORY) + for suffix, mode, type_ in get_suffixes(): + file_name = name + suffix + file_path = os.path.join(entry, file_name) + if os.path.isfile(file_path): + break + else: + continue + break # Break out of outer loop when breaking out of inner loop. + else: + raise ImportError(name, name=name) + + encoding = None + if 'b' not in mode: + with open(file_path, 'rb') as file: + encoding = tokenize.detect_encoding(file.readline)[0] + file = open(file_path, mode, encoding=encoding) + return file, file_path, (suffix, mode, type_) + + def load_dynamic(name, path, file=None): + loader = machinery.ExtensionFileLoader(name, path) + spec = machinery.ModuleSpec(name=name, loader=loader, origin=path) + return _load(spec) diff --git a/venv/lib/python3.12/site-packages/cffi/_shimmed_dist_utils.py b/venv/lib/python3.12/site-packages/cffi/_shimmed_dist_utils.py new file mode 100644 index 0000000..c3d2312 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/_shimmed_dist_utils.py @@ -0,0 +1,45 @@ +""" +Temporary shim module to indirect the bits of distutils we need from setuptools/distutils while providing useful +error messages beyond `No module named 'distutils' on Python >= 3.12, or when setuptools' vendored distutils is broken. + +This is a compromise to avoid a hard-dep on setuptools for Python >= 3.12, since many users don't need runtime compilation support from CFFI. +""" +import sys + +try: + # import setuptools first; this is the most robust way to ensure its embedded distutils is available + # (the .pth shim should usually work, but this is even more robust) + import setuptools +except Exception as ex: + if sys.version_info >= (3, 12): + # Python 3.12 has no built-in distutils to fall back on, so any import problem is fatal + raise Exception("This CFFI feature requires setuptools on Python >= 3.12. The setuptools module is missing or non-functional.") from ex + + # silently ignore on older Pythons (support fallback to stdlib distutils where available) +else: + del setuptools + +try: + # bring in just the bits of distutils we need, whether they really came from setuptools or stdlib-embedded distutils + from distutils import log, sysconfig + from distutils.ccompiler import CCompiler + from distutils.command.build_ext import build_ext + from distutils.core import Distribution, Extension + from distutils.dir_util import mkpath + from distutils.errors import DistutilsSetupError, CompileError, LinkError + from distutils.log import set_threshold, set_verbosity + + if sys.platform == 'win32': + try: + # FUTURE: msvc9compiler module was removed in setuptools 74; consider removing, as it's only used by an ancient patch in `recompiler` + from distutils.msvc9compiler import MSVCCompiler + except ImportError: + MSVCCompiler = None +except Exception as ex: + if sys.version_info >= (3, 12): + raise Exception("This CFFI feature requires setuptools on Python >= 3.12. Please install the setuptools package.") from ex + + # anything older, just let the underlying distutils import error fly + raise Exception("This CFFI feature requires distutils. Please install the distutils or setuptools package.") from ex + +del sys diff --git a/venv/lib/python3.12/site-packages/cffi/api.py b/venv/lib/python3.12/site-packages/cffi/api.py new file mode 100644 index 0000000..5a474f3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/api.py @@ -0,0 +1,967 @@ +import sys, types +from .lock import allocate_lock +from .error import CDefError +from . import model + +try: + callable +except NameError: + # Python 3.1 + from collections import Callable + callable = lambda x: isinstance(x, Callable) + +try: + basestring +except NameError: + # Python 3.x + basestring = str + +_unspecified = object() + + + +class FFI(object): + r''' + The main top-level class that you instantiate once, or once per module. + + Example usage: + + ffi = FFI() + ffi.cdef(""" + int printf(const char *, ...); + """) + + C = ffi.dlopen(None) # standard library + -or- + C = ffi.verify() # use a C compiler: verify the decl above is right + + C.printf("hello, %s!\n", ffi.new("char[]", "world")) + ''' + + def __init__(self, backend=None): + """Create an FFI instance. The 'backend' argument is used to + select a non-default backend, mostly for tests. + """ + if backend is None: + # You need PyPy (>= 2.0 beta), or a CPython (>= 2.6) with + # _cffi_backend.so compiled. + import _cffi_backend as backend + from . import __version__ + if backend.__version__ != __version__: + # bad version! Try to be as explicit as possible. + if hasattr(backend, '__file__'): + # CPython + raise Exception("Version mismatch: this is the 'cffi' package version %s, located in %r. When we import the top-level '_cffi_backend' extension module, we get version %s, located in %r. The two versions should be equal; check your installation." % ( + __version__, __file__, + backend.__version__, backend.__file__)) + else: + # PyPy + raise Exception("Version mismatch: this is the 'cffi' package version %s, located in %r. This interpreter comes with a built-in '_cffi_backend' module, which is version %s. The two versions should be equal; check your installation." % ( + __version__, __file__, backend.__version__)) + # (If you insist you can also try to pass the option + # 'backend=backend_ctypes.CTypesBackend()', but don't + # rely on it! It's probably not going to work well.) + + from . import cparser + self._backend = backend + self._lock = allocate_lock() + self._parser = cparser.Parser() + self._cached_btypes = {} + self._parsed_types = types.ModuleType('parsed_types').__dict__ + self._new_types = types.ModuleType('new_types').__dict__ + self._function_caches = [] + self._libraries = [] + self._cdefsources = [] + self._included_ffis = [] + self._windows_unicode = None + self._init_once_cache = {} + self._cdef_version = None + self._embedding = None + self._typecache = model.get_typecache(backend) + if hasattr(backend, 'set_ffi'): + backend.set_ffi(self) + for name in list(backend.__dict__): + if name.startswith('RTLD_'): + setattr(self, name, getattr(backend, name)) + # + with self._lock: + self.BVoidP = self._get_cached_btype(model.voidp_type) + self.BCharA = self._get_cached_btype(model.char_array_type) + if isinstance(backend, types.ModuleType): + # _cffi_backend: attach these constants to the class + if not hasattr(FFI, 'NULL'): + FFI.NULL = self.cast(self.BVoidP, 0) + FFI.CData, FFI.CType = backend._get_types() + else: + # ctypes backend: attach these constants to the instance + self.NULL = self.cast(self.BVoidP, 0) + self.CData, self.CType = backend._get_types() + self.buffer = backend.buffer + + def cdef(self, csource, override=False, packed=False, pack=None): + """Parse the given C source. This registers all declared functions, + types, and global variables. The functions and global variables can + then be accessed via either 'ffi.dlopen()' or 'ffi.verify()'. + The types can be used in 'ffi.new()' and other functions. + If 'packed' is specified as True, all structs declared inside this + cdef are packed, i.e. laid out without any field alignment at all. + Alternatively, 'pack' can be a small integer, and requests for + alignment greater than that are ignored (pack=1 is equivalent to + packed=True). + """ + self._cdef(csource, override=override, packed=packed, pack=pack) + + def embedding_api(self, csource, packed=False, pack=None): + self._cdef(csource, packed=packed, pack=pack, dllexport=True) + if self._embedding is None: + self._embedding = '' + + def _cdef(self, csource, override=False, **options): + if not isinstance(csource, str): # unicode, on Python 2 + if not isinstance(csource, basestring): + raise TypeError("cdef() argument must be a string") + csource = csource.encode('ascii') + with self._lock: + self._cdef_version = object() + self._parser.parse(csource, override=override, **options) + self._cdefsources.append(csource) + if override: + for cache in self._function_caches: + cache.clear() + finishlist = self._parser._recomplete + if finishlist: + self._parser._recomplete = [] + for tp in finishlist: + tp.finish_backend_type(self, finishlist) + + def dlopen(self, name, flags=0): + """Load and return a dynamic library identified by 'name'. + The standard C library can be loaded by passing None. + Note that functions and types declared by 'ffi.cdef()' are not + linked to a particular library, just like C headers; in the + library we only look for the actual (untyped) symbols. + """ + if not (isinstance(name, basestring) or + name is None or + isinstance(name, self.CData)): + raise TypeError("dlopen(name): name must be a file name, None, " + "or an already-opened 'void *' handle") + with self._lock: + lib, function_cache = _make_ffi_library(self, name, flags) + self._function_caches.append(function_cache) + self._libraries.append(lib) + return lib + + def dlclose(self, lib): + """Close a library obtained with ffi.dlopen(). After this call, + access to functions or variables from the library will fail + (possibly with a segmentation fault). + """ + type(lib).__cffi_close__(lib) + + def _typeof_locked(self, cdecl): + # call me with the lock! + key = cdecl + if key in self._parsed_types: + return self._parsed_types[key] + # + if not isinstance(cdecl, str): # unicode, on Python 2 + cdecl = cdecl.encode('ascii') + # + type = self._parser.parse_type(cdecl) + really_a_function_type = type.is_raw_function + if really_a_function_type: + type = type.as_function_pointer() + btype = self._get_cached_btype(type) + result = btype, really_a_function_type + self._parsed_types[key] = result + return result + + def _typeof(self, cdecl, consider_function_as_funcptr=False): + # string -> ctype object + try: + result = self._parsed_types[cdecl] + except KeyError: + with self._lock: + result = self._typeof_locked(cdecl) + # + btype, really_a_function_type = result + if really_a_function_type and not consider_function_as_funcptr: + raise CDefError("the type %r is a function type, not a " + "pointer-to-function type" % (cdecl,)) + return btype + + def typeof(self, cdecl): + """Parse the C type given as a string and return the + corresponding object. + It can also be used on 'cdata' instance to get its C type. + """ + if isinstance(cdecl, basestring): + return self._typeof(cdecl) + if isinstance(cdecl, self.CData): + return self._backend.typeof(cdecl) + if isinstance(cdecl, types.BuiltinFunctionType): + res = _builtin_function_type(cdecl) + if res is not None: + return res + if (isinstance(cdecl, types.FunctionType) + and hasattr(cdecl, '_cffi_base_type')): + with self._lock: + return self._get_cached_btype(cdecl._cffi_base_type) + raise TypeError(type(cdecl)) + + def sizeof(self, cdecl): + """Return the size in bytes of the argument. It can be a + string naming a C type, or a 'cdata' instance. + """ + if isinstance(cdecl, basestring): + BType = self._typeof(cdecl) + return self._backend.sizeof(BType) + else: + return self._backend.sizeof(cdecl) + + def alignof(self, cdecl): + """Return the natural alignment size in bytes of the C type + given as a string. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.alignof(cdecl) + + def offsetof(self, cdecl, *fields_or_indexes): + """Return the offset of the named field inside the given + structure or array, which must be given as a C type name. + You can give several field names in case of nested structures. + You can also give numeric values which correspond to array + items, in case of an array type. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._typeoffsetof(cdecl, *fields_or_indexes)[1] + + def new(self, cdecl, init=None): + """Allocate an instance according to the specified C type and + return a pointer to it. The specified C type must be either a + pointer or an array: ``new('X *')`` allocates an X and returns + a pointer to it, whereas ``new('X[n]')`` allocates an array of + n X'es and returns an array referencing it (which works + mostly like a pointer, like in C). You can also use + ``new('X[]', n)`` to allocate an array of a non-constant + length n. + + The memory is initialized following the rules of declaring a + global variable in C: by default it is zero-initialized, but + an explicit initializer can be given which can be used to + fill all or part of the memory. + + When the returned object goes out of scope, the memory + is freed. In other words the returned object has + ownership of the value of type 'cdecl' that it points to. This + means that the raw data can be used as long as this object is + kept alive, but must not be used for a longer time. Be careful + about that when copying the pointer to the memory somewhere + else, e.g. into another structure. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.newp(cdecl, init) + + def new_allocator(self, alloc=None, free=None, + should_clear_after_alloc=True): + """Return a new allocator, i.e. a function that behaves like ffi.new() + but uses the provided low-level 'alloc' and 'free' functions. + + 'alloc' is called with the size as argument. If it returns NULL, a + MemoryError is raised. 'free' is called with the result of 'alloc' + as argument. Both can be either Python function or directly C + functions. If 'free' is None, then no free function is called. + If both 'alloc' and 'free' are None, the default is used. + + If 'should_clear_after_alloc' is set to False, then the memory + returned by 'alloc' is assumed to be already cleared (or you are + fine with garbage); otherwise CFFI will clear it. + """ + compiled_ffi = self._backend.FFI() + allocator = compiled_ffi.new_allocator(alloc, free, + should_clear_after_alloc) + def allocate(cdecl, init=None): + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return allocator(cdecl, init) + return allocate + + def cast(self, cdecl, source): + """Similar to a C cast: returns an instance of the named C + type initialized with the given 'source'. The source is + casted between integers or pointers of any type. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.cast(cdecl, source) + + def string(self, cdata, maxlen=-1): + """Return a Python string (or unicode string) from the 'cdata'. + If 'cdata' is a pointer or array of characters or bytes, returns + the null-terminated string. The returned string extends until + the first null character, or at most 'maxlen' characters. If + 'cdata' is an array then 'maxlen' defaults to its length. + + If 'cdata' is a pointer or array of wchar_t, returns a unicode + string following the same rules. + + If 'cdata' is a single character or byte or a wchar_t, returns + it as a string or unicode string. + + If 'cdata' is an enum, returns the value of the enumerator as a + string, or 'NUMBER' if the value is out of range. + """ + return self._backend.string(cdata, maxlen) + + def unpack(self, cdata, length): + """Unpack an array of C data of the given length, + returning a Python string/unicode/list. + + If 'cdata' is a pointer to 'char', returns a byte string. + It does not stop at the first null. This is equivalent to: + ffi.buffer(cdata, length)[:] + + If 'cdata' is a pointer to 'wchar_t', returns a unicode string. + 'length' is measured in wchar_t's; it is not the size in bytes. + + If 'cdata' is a pointer to anything else, returns a list of + 'length' items. This is a faster equivalent to: + [cdata[i] for i in range(length)] + """ + return self._backend.unpack(cdata, length) + + #def buffer(self, cdata, size=-1): + # """Return a read-write buffer object that references the raw C data + # pointed to by the given 'cdata'. The 'cdata' must be a pointer or + # an array. Can be passed to functions expecting a buffer, or directly + # manipulated with: + # + # buf[:] get a copy of it in a regular string, or + # buf[idx] as a single character + # buf[:] = ... + # buf[idx] = ... change the content + # """ + # note that 'buffer' is a type, set on this instance by __init__ + + def from_buffer(self, cdecl, python_buffer=_unspecified, + require_writable=False): + """Return a cdata of the given type pointing to the data of the + given Python object, which must support the buffer interface. + Note that this is not meant to be used on the built-in types + str or unicode (you can build 'char[]' arrays explicitly) + but only on objects containing large quantities of raw data + in some other format, like 'array.array' or numpy arrays. + + The first argument is optional and default to 'char[]'. + """ + if python_buffer is _unspecified: + cdecl, python_buffer = self.BCharA, cdecl + elif isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.from_buffer(cdecl, python_buffer, + require_writable) + + def memmove(self, dest, src, n): + """ffi.memmove(dest, src, n) copies n bytes of memory from src to dest. + + Like the C function memmove(), the memory areas may overlap; + apart from that it behaves like the C function memcpy(). + + 'src' can be any cdata ptr or array, or any Python buffer object. + 'dest' can be any cdata ptr or array, or a writable Python buffer + object. The size to copy, 'n', is always measured in bytes. + + Unlike other methods, this one supports all Python buffer including + byte strings and bytearrays---but it still does not support + non-contiguous buffers. + """ + return self._backend.memmove(dest, src, n) + + def callback(self, cdecl, python_callable=None, error=None, onerror=None): + """Return a callback object or a decorator making such a + callback object. 'cdecl' must name a C function pointer type. + The callback invokes the specified 'python_callable' (which may + be provided either directly or via a decorator). Important: the + callback object must be manually kept alive for as long as the + callback may be invoked from the C level. + """ + def callback_decorator_wrap(python_callable): + if not callable(python_callable): + raise TypeError("the 'python_callable' argument " + "is not callable") + return self._backend.callback(cdecl, python_callable, + error, onerror) + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl, consider_function_as_funcptr=True) + if python_callable is None: + return callback_decorator_wrap # decorator mode + else: + return callback_decorator_wrap(python_callable) # direct mode + + def getctype(self, cdecl, replace_with=''): + """Return a string giving the C type 'cdecl', which may be itself + a string or a object. If 'replace_with' is given, it gives + extra text to append (or insert for more complicated C types), like + a variable name, or '*' to get actually the C type 'pointer-to-cdecl'. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + replace_with = replace_with.strip() + if (replace_with.startswith('*') + and '&[' in self._backend.getcname(cdecl, '&')): + replace_with = '(%s)' % replace_with + elif replace_with and not replace_with[0] in '[(': + replace_with = ' ' + replace_with + return self._backend.getcname(cdecl, replace_with) + + def gc(self, cdata, destructor, size=0): + """Return a new cdata object that points to the same + data. Later, when this new cdata object is garbage-collected, + 'destructor(old_cdata_object)' will be called. + + The optional 'size' gives an estimate of the size, used to + trigger the garbage collection more eagerly. So far only used + on PyPy. It tells the GC that the returned object keeps alive + roughly 'size' bytes of external memory. + """ + return self._backend.gcp(cdata, destructor, size) + + def _get_cached_btype(self, type): + assert self._lock.acquire(False) is False + # call me with the lock! + try: + BType = self._cached_btypes[type] + except KeyError: + finishlist = [] + BType = type.get_cached_btype(self, finishlist) + for type in finishlist: + type.finish_backend_type(self, finishlist) + return BType + + def verify(self, source='', tmpdir=None, **kwargs): + """Verify that the current ffi signatures compile on this + machine, and return a dynamic library object. The dynamic + library can be used to call functions and access global + variables declared in this 'ffi'. The library is compiled + by the C compiler: it gives you C-level API compatibility + (including calling macros). This is unlike 'ffi.dlopen()', + which requires binary compatibility in the signatures. + """ + from .verifier import Verifier, _caller_dir_pycache + # + # If set_unicode(True) was called, insert the UNICODE and + # _UNICODE macro declarations + if self._windows_unicode: + self._apply_windows_unicode(kwargs) + # + # Set the tmpdir here, and not in Verifier.__init__: it picks + # up the caller's directory, which we want to be the caller of + # ffi.verify(), as opposed to the caller of Veritier(). + tmpdir = tmpdir or _caller_dir_pycache() + # + # Make a Verifier() and use it to load the library. + self.verifier = Verifier(self, source, tmpdir, **kwargs) + lib = self.verifier.load_library() + # + # Save the loaded library for keep-alive purposes, even + # if the caller doesn't keep it alive itself (it should). + self._libraries.append(lib) + return lib + + def _get_errno(self): + return self._backend.get_errno() + def _set_errno(self, errno): + self._backend.set_errno(errno) + errno = property(_get_errno, _set_errno, None, + "the value of 'errno' from/to the C calls") + + def getwinerror(self, code=-1): + return self._backend.getwinerror(code) + + def _pointer_to(self, ctype): + with self._lock: + return model.pointer_cache(self, ctype) + + def addressof(self, cdata, *fields_or_indexes): + """Return the address of a . + If 'fields_or_indexes' are given, returns the address of that + field or array item in the structure or array, recursively in + case of nested structures. + """ + try: + ctype = self._backend.typeof(cdata) + except TypeError: + if '__addressof__' in type(cdata).__dict__: + return type(cdata).__addressof__(cdata, *fields_or_indexes) + raise + if fields_or_indexes: + ctype, offset = self._typeoffsetof(ctype, *fields_or_indexes) + else: + if ctype.kind == "pointer": + raise TypeError("addressof(pointer)") + offset = 0 + ctypeptr = self._pointer_to(ctype) + return self._backend.rawaddressof(ctypeptr, cdata, offset) + + def _typeoffsetof(self, ctype, field_or_index, *fields_or_indexes): + ctype, offset = self._backend.typeoffsetof(ctype, field_or_index) + for field1 in fields_or_indexes: + ctype, offset1 = self._backend.typeoffsetof(ctype, field1, 1) + offset += offset1 + return ctype, offset + + def include(self, ffi_to_include): + """Includes the typedefs, structs, unions and enums defined + in another FFI instance. Usage is similar to a #include in C, + where a part of the program might include types defined in + another part for its own usage. Note that the include() + method has no effect on functions, constants and global + variables, which must anyway be accessed directly from the + lib object returned by the original FFI instance. + """ + if not isinstance(ffi_to_include, FFI): + raise TypeError("ffi.include() expects an argument that is also of" + " type cffi.FFI, not %r" % ( + type(ffi_to_include).__name__,)) + if ffi_to_include is self: + raise ValueError("self.include(self)") + with ffi_to_include._lock: + with self._lock: + self._parser.include(ffi_to_include._parser) + self._cdefsources.append('[') + self._cdefsources.extend(ffi_to_include._cdefsources) + self._cdefsources.append(']') + self._included_ffis.append(ffi_to_include) + + def new_handle(self, x): + return self._backend.newp_handle(self.BVoidP, x) + + def from_handle(self, x): + return self._backend.from_handle(x) + + def release(self, x): + self._backend.release(x) + + def set_unicode(self, enabled_flag): + """Windows: if 'enabled_flag' is True, enable the UNICODE and + _UNICODE defines in C, and declare the types like TCHAR and LPTCSTR + to be (pointers to) wchar_t. If 'enabled_flag' is False, + declare these types to be (pointers to) plain 8-bit characters. + This is mostly for backward compatibility; you usually want True. + """ + if self._windows_unicode is not None: + raise ValueError("set_unicode() can only be called once") + enabled_flag = bool(enabled_flag) + if enabled_flag: + self.cdef("typedef wchar_t TBYTE;" + "typedef wchar_t TCHAR;" + "typedef const wchar_t *LPCTSTR;" + "typedef const wchar_t *PCTSTR;" + "typedef wchar_t *LPTSTR;" + "typedef wchar_t *PTSTR;" + "typedef TBYTE *PTBYTE;" + "typedef TCHAR *PTCHAR;") + else: + self.cdef("typedef char TBYTE;" + "typedef char TCHAR;" + "typedef const char *LPCTSTR;" + "typedef const char *PCTSTR;" + "typedef char *LPTSTR;" + "typedef char *PTSTR;" + "typedef TBYTE *PTBYTE;" + "typedef TCHAR *PTCHAR;") + self._windows_unicode = enabled_flag + + def _apply_windows_unicode(self, kwds): + defmacros = kwds.get('define_macros', ()) + if not isinstance(defmacros, (list, tuple)): + raise TypeError("'define_macros' must be a list or tuple") + defmacros = list(defmacros) + [('UNICODE', '1'), + ('_UNICODE', '1')] + kwds['define_macros'] = defmacros + + def _apply_embedding_fix(self, kwds): + # must include an argument like "-lpython2.7" for the compiler + def ensure(key, value): + lst = kwds.setdefault(key, []) + if value not in lst: + lst.append(value) + # + if '__pypy__' in sys.builtin_module_names: + import os + if sys.platform == "win32": + # we need 'libpypy-c.lib'. Current distributions of + # pypy (>= 4.1) contain it as 'libs/python27.lib'. + pythonlib = "python{0[0]}{0[1]}".format(sys.version_info) + if hasattr(sys, 'prefix'): + ensure('library_dirs', os.path.join(sys.prefix, 'libs')) + else: + # we need 'libpypy-c.{so,dylib}', which should be by + # default located in 'sys.prefix/bin' for installed + # systems. + if sys.version_info < (3,): + pythonlib = "pypy-c" + else: + pythonlib = "pypy3-c" + if hasattr(sys, 'prefix'): + ensure('library_dirs', os.path.join(sys.prefix, 'bin')) + # On uninstalled pypy's, the libpypy-c is typically found in + # .../pypy/goal/. + if hasattr(sys, 'prefix'): + ensure('library_dirs', os.path.join(sys.prefix, 'pypy', 'goal')) + else: + if sys.platform == "win32": + template = "python%d%d" + if hasattr(sys, 'gettotalrefcount'): + template += '_d' + else: + try: + import sysconfig + except ImportError: # 2.6 + from cffi._shimmed_dist_utils import sysconfig + template = "python%d.%d" + if sysconfig.get_config_var('DEBUG_EXT'): + template += sysconfig.get_config_var('DEBUG_EXT') + pythonlib = (template % + (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff)) + if hasattr(sys, 'abiflags'): + pythonlib += sys.abiflags + ensure('libraries', pythonlib) + if sys.platform == "win32": + ensure('extra_link_args', '/MANIFEST') + + def set_source(self, module_name, source, source_extension='.c', **kwds): + import os + if hasattr(self, '_assigned_source'): + raise ValueError("set_source() cannot be called several times " + "per ffi object") + if not isinstance(module_name, basestring): + raise TypeError("'module_name' must be a string") + if os.sep in module_name or (os.altsep and os.altsep in module_name): + raise ValueError("'module_name' must not contain '/': use a dotted " + "name to make a 'package.module' location") + self._assigned_source = (str(module_name), source, + source_extension, kwds) + + def set_source_pkgconfig(self, module_name, pkgconfig_libs, source, + source_extension='.c', **kwds): + from . import pkgconfig + if not isinstance(pkgconfig_libs, list): + raise TypeError("the pkgconfig_libs argument must be a list " + "of package names") + kwds2 = pkgconfig.flags_from_pkgconfig(pkgconfig_libs) + pkgconfig.merge_flags(kwds, kwds2) + self.set_source(module_name, source, source_extension, **kwds) + + def distutils_extension(self, tmpdir='build', verbose=True): + from cffi._shimmed_dist_utils import mkpath + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + if hasattr(self, 'verifier'): # fallback, 'tmpdir' ignored + return self.verifier.get_extension() + raise ValueError("set_source() must be called before" + " distutils_extension()") + module_name, source, source_extension, kwds = self._assigned_source + if source is None: + raise TypeError("distutils_extension() is only for C extension " + "modules, not for dlopen()-style pure Python " + "modules") + mkpath(tmpdir) + ext, updated = recompile(self, module_name, + source, tmpdir=tmpdir, extradir=tmpdir, + source_extension=source_extension, + call_c_compiler=False, **kwds) + if verbose: + if updated: + sys.stderr.write("regenerated: %r\n" % (ext.sources[0],)) + else: + sys.stderr.write("not modified: %r\n" % (ext.sources[0],)) + return ext + + def emit_c_code(self, filename): + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + raise ValueError("set_source() must be called before emit_c_code()") + module_name, source, source_extension, kwds = self._assigned_source + if source is None: + raise TypeError("emit_c_code() is only for C extension modules, " + "not for dlopen()-style pure Python modules") + recompile(self, module_name, source, + c_file=filename, call_c_compiler=False, + uses_ffiplatform=False, **kwds) + + def emit_python_code(self, filename): + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + raise ValueError("set_source() must be called before emit_c_code()") + module_name, source, source_extension, kwds = self._assigned_source + if source is not None: + raise TypeError("emit_python_code() is only for dlopen()-style " + "pure Python modules, not for C extension modules") + recompile(self, module_name, source, + c_file=filename, call_c_compiler=False, + uses_ffiplatform=False, **kwds) + + def compile(self, tmpdir='.', verbose=0, target=None, debug=None): + """The 'target' argument gives the final file name of the + compiled DLL. Use '*' to force distutils' choice, suitable for + regular CPython C API modules. Use a file name ending in '.*' + to ask for the system's default extension for dynamic libraries + (.so/.dll/.dylib). + + The default is '*' when building a non-embedded C API extension, + and (module_name + '.*') when building an embedded library. + """ + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + raise ValueError("set_source() must be called before compile()") + module_name, source, source_extension, kwds = self._assigned_source + return recompile(self, module_name, source, tmpdir=tmpdir, + target=target, source_extension=source_extension, + compiler_verbose=verbose, debug=debug, **kwds) + + def init_once(self, func, tag): + # Read _init_once_cache[tag], which is either (False, lock) if + # we're calling the function now in some thread, or (True, result). + # Don't call setdefault() in most cases, to avoid allocating and + # immediately freeing a lock; but still use setdefaut() to avoid + # races. + try: + x = self._init_once_cache[tag] + except KeyError: + x = self._init_once_cache.setdefault(tag, (False, allocate_lock())) + # Common case: we got (True, result), so we return the result. + if x[0]: + return x[1] + # Else, it's a lock. Acquire it to serialize the following tests. + with x[1]: + # Read again from _init_once_cache the current status. + x = self._init_once_cache[tag] + if x[0]: + return x[1] + # Call the function and store the result back. + result = func() + self._init_once_cache[tag] = (True, result) + return result + + def embedding_init_code(self, pysource): + if self._embedding: + raise ValueError("embedding_init_code() can only be called once") + # fix 'pysource' before it gets dumped into the C file: + # - remove empty lines at the beginning, so it starts at "line 1" + # - dedent, if all non-empty lines are indented + # - check for SyntaxErrors + import re + match = re.match(r'\s*\n', pysource) + if match: + pysource = pysource[match.end():] + lines = pysource.splitlines() or [''] + prefix = re.match(r'\s*', lines[0]).group() + for i in range(1, len(lines)): + line = lines[i] + if line.rstrip(): + while not line.startswith(prefix): + prefix = prefix[:-1] + i = len(prefix) + lines = [line[i:]+'\n' for line in lines] + pysource = ''.join(lines) + # + compile(pysource, "cffi_init", "exec") + # + self._embedding = pysource + + def def_extern(self, *args, **kwds): + raise ValueError("ffi.def_extern() is only available on API-mode FFI " + "objects") + + def list_types(self): + """Returns the user type names known to this FFI instance. + This returns a tuple containing three lists of names: + (typedef_names, names_of_structs, names_of_unions) + """ + typedefs = [] + structs = [] + unions = [] + for key in self._parser._declarations: + if key.startswith('typedef '): + typedefs.append(key[8:]) + elif key.startswith('struct '): + structs.append(key[7:]) + elif key.startswith('union '): + unions.append(key[6:]) + typedefs.sort() + structs.sort() + unions.sort() + return (typedefs, structs, unions) + + +def _load_backend_lib(backend, name, flags): + import os + if not isinstance(name, basestring): + if sys.platform != "win32" or name is not None: + return backend.load_library(name, flags) + name = "c" # Windows: load_library(None) fails, but this works + # on Python 2 (backward compatibility hack only) + first_error = None + if '.' in name or '/' in name or os.sep in name: + try: + return backend.load_library(name, flags) + except OSError as e: + first_error = e + import ctypes.util + path = ctypes.util.find_library(name) + if path is None: + if name == "c" and sys.platform == "win32" and sys.version_info >= (3,): + raise OSError("dlopen(None) cannot work on Windows for Python 3 " + "(see http://bugs.python.org/issue23606)") + msg = ("ctypes.util.find_library() did not manage " + "to locate a library called %r" % (name,)) + if first_error is not None: + msg = "%s. Additionally, %s" % (first_error, msg) + raise OSError(msg) + return backend.load_library(path, flags) + +def _make_ffi_library(ffi, libname, flags): + backend = ffi._backend + backendlib = _load_backend_lib(backend, libname, flags) + # + def accessor_function(name): + key = 'function ' + name + tp, _ = ffi._parser._declarations[key] + BType = ffi._get_cached_btype(tp) + value = backendlib.load_function(BType, name) + library.__dict__[name] = value + # + def accessor_variable(name): + key = 'variable ' + name + tp, _ = ffi._parser._declarations[key] + BType = ffi._get_cached_btype(tp) + read_variable = backendlib.read_variable + write_variable = backendlib.write_variable + setattr(FFILibrary, name, property( + lambda self: read_variable(BType, name), + lambda self, value: write_variable(BType, name, value))) + # + def addressof_var(name): + try: + return addr_variables[name] + except KeyError: + with ffi._lock: + if name not in addr_variables: + key = 'variable ' + name + tp, _ = ffi._parser._declarations[key] + BType = ffi._get_cached_btype(tp) + if BType.kind != 'array': + BType = model.pointer_cache(ffi, BType) + p = backendlib.load_function(BType, name) + addr_variables[name] = p + return addr_variables[name] + # + def accessor_constant(name): + raise NotImplementedError("non-integer constant '%s' cannot be " + "accessed from a dlopen() library" % (name,)) + # + def accessor_int_constant(name): + library.__dict__[name] = ffi._parser._int_constants[name] + # + accessors = {} + accessors_version = [False] + addr_variables = {} + # + def update_accessors(): + if accessors_version[0] is ffi._cdef_version: + return + # + for key, (tp, _) in ffi._parser._declarations.items(): + if not isinstance(tp, model.EnumType): + tag, name = key.split(' ', 1) + if tag == 'function': + accessors[name] = accessor_function + elif tag == 'variable': + accessors[name] = accessor_variable + elif tag == 'constant': + accessors[name] = accessor_constant + else: + for i, enumname in enumerate(tp.enumerators): + def accessor_enum(name, tp=tp, i=i): + tp.check_not_partial() + library.__dict__[name] = tp.enumvalues[i] + accessors[enumname] = accessor_enum + for name in ffi._parser._int_constants: + accessors.setdefault(name, accessor_int_constant) + accessors_version[0] = ffi._cdef_version + # + def make_accessor(name): + with ffi._lock: + if name in library.__dict__ or name in FFILibrary.__dict__: + return # added by another thread while waiting for the lock + if name not in accessors: + update_accessors() + if name not in accessors: + raise AttributeError(name) + accessors[name](name) + # + class FFILibrary(object): + def __getattr__(self, name): + make_accessor(name) + return getattr(self, name) + def __setattr__(self, name, value): + try: + property = getattr(self.__class__, name) + except AttributeError: + make_accessor(name) + setattr(self, name, value) + else: + property.__set__(self, value) + def __dir__(self): + with ffi._lock: + update_accessors() + return accessors.keys() + def __addressof__(self, name): + if name in library.__dict__: + return library.__dict__[name] + if name in FFILibrary.__dict__: + return addressof_var(name) + make_accessor(name) + if name in library.__dict__: + return library.__dict__[name] + if name in FFILibrary.__dict__: + return addressof_var(name) + raise AttributeError("cffi library has no function or " + "global variable named '%s'" % (name,)) + def __cffi_close__(self): + backendlib.close_lib() + self.__dict__.clear() + # + if isinstance(libname, basestring): + try: + if not isinstance(libname, str): # unicode, on Python 2 + libname = libname.encode('utf-8') + FFILibrary.__name__ = 'FFILibrary_%s' % libname + except UnicodeError: + pass + library = FFILibrary() + return library, library.__dict__ + +def _builtin_function_type(func): + # a hack to make at least ffi.typeof(builtin_function) work, + # if the builtin function was obtained by 'vengine_cpy'. + import sys + try: + module = sys.modules[func.__module__] + ffi = module._cffi_original_ffi + types_of_builtin_funcs = module._cffi_types_of_builtin_funcs + tp = types_of_builtin_funcs[func] + except (KeyError, AttributeError, TypeError): + return None + else: + with ffi._lock: + return ffi._get_cached_btype(tp) diff --git a/venv/lib/python3.12/site-packages/cffi/backend_ctypes.py b/venv/lib/python3.12/site-packages/cffi/backend_ctypes.py new file mode 100644 index 0000000..e7956a7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/backend_ctypes.py @@ -0,0 +1,1121 @@ +import ctypes, ctypes.util, operator, sys +from . import model + +if sys.version_info < (3,): + bytechr = chr +else: + unicode = str + long = int + xrange = range + bytechr = lambda num: bytes([num]) + +class CTypesType(type): + pass + +class CTypesData(object): + __metaclass__ = CTypesType + __slots__ = ['__weakref__'] + __name__ = '' + + def __init__(self, *args): + raise TypeError("cannot instantiate %r" % (self.__class__,)) + + @classmethod + def _newp(cls, init): + raise TypeError("expected a pointer or array ctype, got '%s'" + % (cls._get_c_name(),)) + + @staticmethod + def _to_ctypes(value): + raise TypeError + + @classmethod + def _arg_to_ctypes(cls, *value): + try: + ctype = cls._ctype + except AttributeError: + raise TypeError("cannot create an instance of %r" % (cls,)) + if value: + res = cls._to_ctypes(*value) + if not isinstance(res, ctype): + res = cls._ctype(res) + else: + res = cls._ctype() + return res + + @classmethod + def _create_ctype_obj(cls, init): + if init is None: + return cls._arg_to_ctypes() + else: + return cls._arg_to_ctypes(init) + + @staticmethod + def _from_ctypes(ctypes_value): + raise TypeError + + @classmethod + def _get_c_name(cls, replace_with=''): + return cls._reftypename.replace(' &', replace_with) + + @classmethod + def _fix_class(cls): + cls.__name__ = 'CData<%s>' % (cls._get_c_name(),) + cls.__qualname__ = 'CData<%s>' % (cls._get_c_name(),) + cls.__module__ = 'ffi' + + def _get_own_repr(self): + raise NotImplementedError + + def _addr_repr(self, address): + if address == 0: + return 'NULL' + else: + if address < 0: + address += 1 << (8*ctypes.sizeof(ctypes.c_void_p)) + return '0x%x' % address + + def __repr__(self, c_name=None): + own = self._get_own_repr() + return '' % (c_name or self._get_c_name(), own) + + def _convert_to_address(self, BClass): + if BClass is None: + raise TypeError("cannot convert %r to an address" % ( + self._get_c_name(),)) + else: + raise TypeError("cannot convert %r to %r" % ( + self._get_c_name(), BClass._get_c_name())) + + @classmethod + def _get_size(cls): + return ctypes.sizeof(cls._ctype) + + def _get_size_of_instance(self): + return ctypes.sizeof(self._ctype) + + @classmethod + def _cast_from(cls, source): + raise TypeError("cannot cast to %r" % (cls._get_c_name(),)) + + def _cast_to_integer(self): + return self._convert_to_address(None) + + @classmethod + def _alignment(cls): + return ctypes.alignment(cls._ctype) + + def __iter__(self): + raise TypeError("cdata %r does not support iteration" % ( + self._get_c_name()),) + + def _make_cmp(name): + cmpfunc = getattr(operator, name) + def cmp(self, other): + v_is_ptr = not isinstance(self, CTypesGenericPrimitive) + w_is_ptr = (isinstance(other, CTypesData) and + not isinstance(other, CTypesGenericPrimitive)) + if v_is_ptr and w_is_ptr: + return cmpfunc(self._convert_to_address(None), + other._convert_to_address(None)) + elif v_is_ptr or w_is_ptr: + return NotImplemented + else: + if isinstance(self, CTypesGenericPrimitive): + self = self._value + if isinstance(other, CTypesGenericPrimitive): + other = other._value + return cmpfunc(self, other) + cmp.func_name = name + return cmp + + __eq__ = _make_cmp('__eq__') + __ne__ = _make_cmp('__ne__') + __lt__ = _make_cmp('__lt__') + __le__ = _make_cmp('__le__') + __gt__ = _make_cmp('__gt__') + __ge__ = _make_cmp('__ge__') + + def __hash__(self): + return hash(self._convert_to_address(None)) + + def _to_string(self, maxlen): + raise TypeError("string(): %r" % (self,)) + + +class CTypesGenericPrimitive(CTypesData): + __slots__ = [] + + def __hash__(self): + return hash(self._value) + + def _get_own_repr(self): + return repr(self._from_ctypes(self._value)) + + +class CTypesGenericArray(CTypesData): + __slots__ = [] + + @classmethod + def _newp(cls, init): + return cls(init) + + def __iter__(self): + for i in xrange(len(self)): + yield self[i] + + def _get_own_repr(self): + return self._addr_repr(ctypes.addressof(self._blob)) + + +class CTypesGenericPtr(CTypesData): + __slots__ = ['_address', '_as_ctype_ptr'] + _automatic_casts = False + kind = "pointer" + + @classmethod + def _newp(cls, init): + return cls(init) + + @classmethod + def _cast_from(cls, source): + if source is None: + address = 0 + elif isinstance(source, CTypesData): + address = source._cast_to_integer() + elif isinstance(source, (int, long)): + address = source + else: + raise TypeError("bad type for cast to %r: %r" % + (cls, type(source).__name__)) + return cls._new_pointer_at(address) + + @classmethod + def _new_pointer_at(cls, address): + self = cls.__new__(cls) + self._address = address + self._as_ctype_ptr = ctypes.cast(address, cls._ctype) + return self + + def _get_own_repr(self): + try: + return self._addr_repr(self._address) + except AttributeError: + return '???' + + def _cast_to_integer(self): + return self._address + + def __nonzero__(self): + return bool(self._address) + __bool__ = __nonzero__ + + @classmethod + def _to_ctypes(cls, value): + if not isinstance(value, CTypesData): + raise TypeError("unexpected %s object" % type(value).__name__) + address = value._convert_to_address(cls) + return ctypes.cast(address, cls._ctype) + + @classmethod + def _from_ctypes(cls, ctypes_ptr): + address = ctypes.cast(ctypes_ptr, ctypes.c_void_p).value or 0 + return cls._new_pointer_at(address) + + @classmethod + def _initialize(cls, ctypes_ptr, value): + if value: + ctypes_ptr.contents = cls._to_ctypes(value).contents + + def _convert_to_address(self, BClass): + if (BClass in (self.__class__, None) or BClass._automatic_casts + or self._automatic_casts): + return self._address + else: + return CTypesData._convert_to_address(self, BClass) + + +class CTypesBaseStructOrUnion(CTypesData): + __slots__ = ['_blob'] + + @classmethod + def _create_ctype_obj(cls, init): + # may be overridden + raise TypeError("cannot instantiate opaque type %s" % (cls,)) + + def _get_own_repr(self): + return self._addr_repr(ctypes.addressof(self._blob)) + + @classmethod + def _offsetof(cls, fieldname): + return getattr(cls._ctype, fieldname).offset + + def _convert_to_address(self, BClass): + if getattr(BClass, '_BItem', None) is self.__class__: + return ctypes.addressof(self._blob) + else: + return CTypesData._convert_to_address(self, BClass) + + @classmethod + def _from_ctypes(cls, ctypes_struct_or_union): + self = cls.__new__(cls) + self._blob = ctypes_struct_or_union + return self + + @classmethod + def _to_ctypes(cls, value): + return value._blob + + def __repr__(self, c_name=None): + return CTypesData.__repr__(self, c_name or self._get_c_name(' &')) + + +class CTypesBackend(object): + + PRIMITIVE_TYPES = { + 'char': ctypes.c_char, + 'short': ctypes.c_short, + 'int': ctypes.c_int, + 'long': ctypes.c_long, + 'long long': ctypes.c_longlong, + 'signed char': ctypes.c_byte, + 'unsigned char': ctypes.c_ubyte, + 'unsigned short': ctypes.c_ushort, + 'unsigned int': ctypes.c_uint, + 'unsigned long': ctypes.c_ulong, + 'unsigned long long': ctypes.c_ulonglong, + 'float': ctypes.c_float, + 'double': ctypes.c_double, + '_Bool': ctypes.c_bool, + } + + for _name in ['unsigned long long', 'unsigned long', + 'unsigned int', 'unsigned short', 'unsigned char']: + _size = ctypes.sizeof(PRIMITIVE_TYPES[_name]) + PRIMITIVE_TYPES['uint%d_t' % (8*_size)] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_void_p): + PRIMITIVE_TYPES['uintptr_t'] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_size_t): + PRIMITIVE_TYPES['size_t'] = PRIMITIVE_TYPES[_name] + + for _name in ['long long', 'long', 'int', 'short', 'signed char']: + _size = ctypes.sizeof(PRIMITIVE_TYPES[_name]) + PRIMITIVE_TYPES['int%d_t' % (8*_size)] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_void_p): + PRIMITIVE_TYPES['intptr_t'] = PRIMITIVE_TYPES[_name] + PRIMITIVE_TYPES['ptrdiff_t'] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_size_t): + PRIMITIVE_TYPES['ssize_t'] = PRIMITIVE_TYPES[_name] + + + def __init__(self): + self.RTLD_LAZY = 0 # not supported anyway by ctypes + self.RTLD_NOW = 0 + self.RTLD_GLOBAL = ctypes.RTLD_GLOBAL + self.RTLD_LOCAL = ctypes.RTLD_LOCAL + + def set_ffi(self, ffi): + self.ffi = ffi + + def _get_types(self): + return CTypesData, CTypesType + + def load_library(self, path, flags=0): + cdll = ctypes.CDLL(path, flags) + return CTypesLibrary(self, cdll) + + def new_void_type(self): + class CTypesVoid(CTypesData): + __slots__ = [] + _reftypename = 'void &' + @staticmethod + def _from_ctypes(novalue): + return None + @staticmethod + def _to_ctypes(novalue): + if novalue is not None: + raise TypeError("None expected, got %s object" % + (type(novalue).__name__,)) + return None + CTypesVoid._fix_class() + return CTypesVoid + + def new_primitive_type(self, name): + if name == 'wchar_t': + raise NotImplementedError(name) + ctype = self.PRIMITIVE_TYPES[name] + if name == 'char': + kind = 'char' + elif name in ('float', 'double'): + kind = 'float' + else: + if name in ('signed char', 'unsigned char'): + kind = 'byte' + elif name == '_Bool': + kind = 'bool' + else: + kind = 'int' + is_signed = (ctype(-1).value == -1) + # + def _cast_source_to_int(source): + if isinstance(source, (int, long, float)): + source = int(source) + elif isinstance(source, CTypesData): + source = source._cast_to_integer() + elif isinstance(source, bytes): + source = ord(source) + elif source is None: + source = 0 + else: + raise TypeError("bad type for cast to %r: %r" % + (CTypesPrimitive, type(source).__name__)) + return source + # + kind1 = kind + class CTypesPrimitive(CTypesGenericPrimitive): + __slots__ = ['_value'] + _ctype = ctype + _reftypename = '%s &' % name + kind = kind1 + + def __init__(self, value): + self._value = value + + @staticmethod + def _create_ctype_obj(init): + if init is None: + return ctype() + return ctype(CTypesPrimitive._to_ctypes(init)) + + if kind == 'int' or kind == 'byte': + @classmethod + def _cast_from(cls, source): + source = _cast_source_to_int(source) + source = ctype(source).value # cast within range + return cls(source) + def __int__(self): + return self._value + + if kind == 'bool': + @classmethod + def _cast_from(cls, source): + if not isinstance(source, (int, long, float)): + source = _cast_source_to_int(source) + return cls(bool(source)) + def __int__(self): + return int(self._value) + + if kind == 'char': + @classmethod + def _cast_from(cls, source): + source = _cast_source_to_int(source) + source = bytechr(source & 0xFF) + return cls(source) + def __int__(self): + return ord(self._value) + + if kind == 'float': + @classmethod + def _cast_from(cls, source): + if isinstance(source, float): + pass + elif isinstance(source, CTypesGenericPrimitive): + if hasattr(source, '__float__'): + source = float(source) + else: + source = int(source) + else: + source = _cast_source_to_int(source) + source = ctype(source).value # fix precision + return cls(source) + def __int__(self): + return int(self._value) + def __float__(self): + return self._value + + _cast_to_integer = __int__ + + if kind == 'int' or kind == 'byte' or kind == 'bool': + @staticmethod + def _to_ctypes(x): + if not isinstance(x, (int, long)): + if isinstance(x, CTypesData): + x = int(x) + else: + raise TypeError("integer expected, got %s" % + type(x).__name__) + if ctype(x).value != x: + if not is_signed and x < 0: + raise OverflowError("%s: negative integer" % name) + else: + raise OverflowError("%s: integer out of bounds" + % name) + return x + + if kind == 'char': + @staticmethod + def _to_ctypes(x): + if isinstance(x, bytes) and len(x) == 1: + return x + if isinstance(x, CTypesPrimitive): # > + return x._value + raise TypeError("character expected, got %s" % + type(x).__name__) + def __nonzero__(self): + return ord(self._value) != 0 + else: + def __nonzero__(self): + return self._value != 0 + __bool__ = __nonzero__ + + if kind == 'float': + @staticmethod + def _to_ctypes(x): + if not isinstance(x, (int, long, float, CTypesData)): + raise TypeError("float expected, got %s" % + type(x).__name__) + return ctype(x).value + + @staticmethod + def _from_ctypes(value): + return getattr(value, 'value', value) + + @staticmethod + def _initialize(blob, init): + blob.value = CTypesPrimitive._to_ctypes(init) + + if kind == 'char': + def _to_string(self, maxlen): + return self._value + if kind == 'byte': + def _to_string(self, maxlen): + return chr(self._value & 0xff) + # + CTypesPrimitive._fix_class() + return CTypesPrimitive + + def new_pointer_type(self, BItem): + getbtype = self.ffi._get_cached_btype + if BItem is getbtype(model.PrimitiveType('char')): + kind = 'charp' + elif BItem in (getbtype(model.PrimitiveType('signed char')), + getbtype(model.PrimitiveType('unsigned char'))): + kind = 'bytep' + elif BItem is getbtype(model.void_type): + kind = 'voidp' + else: + kind = 'generic' + # + class CTypesPtr(CTypesGenericPtr): + __slots__ = ['_own'] + if kind == 'charp': + __slots__ += ['__as_strbuf'] + _BItem = BItem + if hasattr(BItem, '_ctype'): + _ctype = ctypes.POINTER(BItem._ctype) + _bitem_size = ctypes.sizeof(BItem._ctype) + else: + _ctype = ctypes.c_void_p + if issubclass(BItem, CTypesGenericArray): + _reftypename = BItem._get_c_name('(* &)') + else: + _reftypename = BItem._get_c_name(' * &') + + def __init__(self, init): + ctypeobj = BItem._create_ctype_obj(init) + if kind == 'charp': + self.__as_strbuf = ctypes.create_string_buffer( + ctypeobj.value + b'\x00') + self._as_ctype_ptr = ctypes.cast( + self.__as_strbuf, self._ctype) + else: + self._as_ctype_ptr = ctypes.pointer(ctypeobj) + self._address = ctypes.cast(self._as_ctype_ptr, + ctypes.c_void_p).value + self._own = True + + def __add__(self, other): + if isinstance(other, (int, long)): + return self._new_pointer_at(self._address + + other * self._bitem_size) + else: + return NotImplemented + + def __sub__(self, other): + if isinstance(other, (int, long)): + return self._new_pointer_at(self._address - + other * self._bitem_size) + elif type(self) is type(other): + return (self._address - other._address) // self._bitem_size + else: + return NotImplemented + + def __getitem__(self, index): + if getattr(self, '_own', False) and index != 0: + raise IndexError + return BItem._from_ctypes(self._as_ctype_ptr[index]) + + def __setitem__(self, index, value): + self._as_ctype_ptr[index] = BItem._to_ctypes(value) + + if kind == 'charp' or kind == 'voidp': + @classmethod + def _arg_to_ctypes(cls, *value): + if value and isinstance(value[0], bytes): + return ctypes.c_char_p(value[0]) + else: + return super(CTypesPtr, cls)._arg_to_ctypes(*value) + + if kind == 'charp' or kind == 'bytep': + def _to_string(self, maxlen): + if maxlen < 0: + maxlen = sys.maxsize + p = ctypes.cast(self._as_ctype_ptr, + ctypes.POINTER(ctypes.c_char)) + n = 0 + while n < maxlen and p[n] != b'\x00': + n += 1 + return b''.join([p[i] for i in range(n)]) + + def _get_own_repr(self): + if getattr(self, '_own', False): + return 'owning %d bytes' % ( + ctypes.sizeof(self._as_ctype_ptr.contents),) + return super(CTypesPtr, self)._get_own_repr() + # + if (BItem is self.ffi._get_cached_btype(model.void_type) or + BItem is self.ffi._get_cached_btype(model.PrimitiveType('char'))): + CTypesPtr._automatic_casts = True + # + CTypesPtr._fix_class() + return CTypesPtr + + def new_array_type(self, CTypesPtr, length): + if length is None: + brackets = ' &[]' + else: + brackets = ' &[%d]' % length + BItem = CTypesPtr._BItem + getbtype = self.ffi._get_cached_btype + if BItem is getbtype(model.PrimitiveType('char')): + kind = 'char' + elif BItem in (getbtype(model.PrimitiveType('signed char')), + getbtype(model.PrimitiveType('unsigned char'))): + kind = 'byte' + else: + kind = 'generic' + # + class CTypesArray(CTypesGenericArray): + __slots__ = ['_blob', '_own'] + if length is not None: + _ctype = BItem._ctype * length + else: + __slots__.append('_ctype') + _reftypename = BItem._get_c_name(brackets) + _declared_length = length + _CTPtr = CTypesPtr + + def __init__(self, init): + if length is None: + if isinstance(init, (int, long)): + len1 = init + init = None + elif kind == 'char' and isinstance(init, bytes): + len1 = len(init) + 1 # extra null + else: + init = tuple(init) + len1 = len(init) + self._ctype = BItem._ctype * len1 + self._blob = self._ctype() + self._own = True + if init is not None: + self._initialize(self._blob, init) + + @staticmethod + def _initialize(blob, init): + if isinstance(init, bytes): + init = [init[i:i+1] for i in range(len(init))] + else: + if isinstance(init, CTypesGenericArray): + if (len(init) != len(blob) or + not isinstance(init, CTypesArray)): + raise TypeError("length/type mismatch: %s" % (init,)) + init = tuple(init) + if len(init) > len(blob): + raise IndexError("too many initializers") + addr = ctypes.cast(blob, ctypes.c_void_p).value + PTR = ctypes.POINTER(BItem._ctype) + itemsize = ctypes.sizeof(BItem._ctype) + for i, value in enumerate(init): + p = ctypes.cast(addr + i * itemsize, PTR) + BItem._initialize(p.contents, value) + + def __len__(self): + return len(self._blob) + + def __getitem__(self, index): + if not (0 <= index < len(self._blob)): + raise IndexError + return BItem._from_ctypes(self._blob[index]) + + def __setitem__(self, index, value): + if not (0 <= index < len(self._blob)): + raise IndexError + self._blob[index] = BItem._to_ctypes(value) + + if kind == 'char' or kind == 'byte': + def _to_string(self, maxlen): + if maxlen < 0: + maxlen = len(self._blob) + p = ctypes.cast(self._blob, + ctypes.POINTER(ctypes.c_char)) + n = 0 + while n < maxlen and p[n] != b'\x00': + n += 1 + return b''.join([p[i] for i in range(n)]) + + def _get_own_repr(self): + if getattr(self, '_own', False): + return 'owning %d bytes' % (ctypes.sizeof(self._blob),) + return super(CTypesArray, self)._get_own_repr() + + def _convert_to_address(self, BClass): + if BClass in (CTypesPtr, None) or BClass._automatic_casts: + return ctypes.addressof(self._blob) + else: + return CTypesData._convert_to_address(self, BClass) + + @staticmethod + def _from_ctypes(ctypes_array): + self = CTypesArray.__new__(CTypesArray) + self._blob = ctypes_array + return self + + @staticmethod + def _arg_to_ctypes(value): + return CTypesPtr._arg_to_ctypes(value) + + def __add__(self, other): + if isinstance(other, (int, long)): + return CTypesPtr._new_pointer_at( + ctypes.addressof(self._blob) + + other * ctypes.sizeof(BItem._ctype)) + else: + return NotImplemented + + @classmethod + def _cast_from(cls, source): + raise NotImplementedError("casting to %r" % ( + cls._get_c_name(),)) + # + CTypesArray._fix_class() + return CTypesArray + + def _new_struct_or_union(self, kind, name, base_ctypes_class): + # + class struct_or_union(base_ctypes_class): + pass + struct_or_union.__name__ = '%s_%s' % (kind, name) + kind1 = kind + # + class CTypesStructOrUnion(CTypesBaseStructOrUnion): + __slots__ = ['_blob'] + _ctype = struct_or_union + _reftypename = '%s &' % (name,) + _kind = kind = kind1 + # + CTypesStructOrUnion._fix_class() + return CTypesStructOrUnion + + def new_struct_type(self, name): + return self._new_struct_or_union('struct', name, ctypes.Structure) + + def new_union_type(self, name): + return self._new_struct_or_union('union', name, ctypes.Union) + + def complete_struct_or_union(self, CTypesStructOrUnion, fields, tp, + totalsize=-1, totalalignment=-1, sflags=0, + pack=0): + if totalsize >= 0 or totalalignment >= 0: + raise NotImplementedError("the ctypes backend of CFFI does not support " + "structures completed by verify(); please " + "compile and install the _cffi_backend module.") + struct_or_union = CTypesStructOrUnion._ctype + fnames = [fname for (fname, BField, bitsize) in fields] + btypes = [BField for (fname, BField, bitsize) in fields] + bitfields = [bitsize for (fname, BField, bitsize) in fields] + # + bfield_types = {} + cfields = [] + for (fname, BField, bitsize) in fields: + if bitsize < 0: + cfields.append((fname, BField._ctype)) + bfield_types[fname] = BField + else: + cfields.append((fname, BField._ctype, bitsize)) + bfield_types[fname] = Ellipsis + if sflags & 8: + struct_or_union._pack_ = 1 + elif pack: + struct_or_union._pack_ = pack + struct_or_union._fields_ = cfields + CTypesStructOrUnion._bfield_types = bfield_types + # + @staticmethod + def _create_ctype_obj(init): + result = struct_or_union() + if init is not None: + initialize(result, init) + return result + CTypesStructOrUnion._create_ctype_obj = _create_ctype_obj + # + def initialize(blob, init): + if is_union: + if len(init) > 1: + raise ValueError("union initializer: %d items given, but " + "only one supported (use a dict if needed)" + % (len(init),)) + if not isinstance(init, dict): + if isinstance(init, (bytes, unicode)): + raise TypeError("union initializer: got a str") + init = tuple(init) + if len(init) > len(fnames): + raise ValueError("too many values for %s initializer" % + CTypesStructOrUnion._get_c_name()) + init = dict(zip(fnames, init)) + addr = ctypes.addressof(blob) + for fname, value in init.items(): + BField, bitsize = name2fieldtype[fname] + assert bitsize < 0, \ + "not implemented: initializer with bit fields" + offset = CTypesStructOrUnion._offsetof(fname) + PTR = ctypes.POINTER(BField._ctype) + p = ctypes.cast(addr + offset, PTR) + BField._initialize(p.contents, value) + is_union = CTypesStructOrUnion._kind == 'union' + name2fieldtype = dict(zip(fnames, zip(btypes, bitfields))) + # + for fname, BField, bitsize in fields: + if fname == '': + raise NotImplementedError("nested anonymous structs/unions") + if hasattr(CTypesStructOrUnion, fname): + raise ValueError("the field name %r conflicts in " + "the ctypes backend" % fname) + if bitsize < 0: + def getter(self, fname=fname, BField=BField, + offset=CTypesStructOrUnion._offsetof(fname), + PTR=ctypes.POINTER(BField._ctype)): + addr = ctypes.addressof(self._blob) + p = ctypes.cast(addr + offset, PTR) + return BField._from_ctypes(p.contents) + def setter(self, value, fname=fname, BField=BField): + setattr(self._blob, fname, BField._to_ctypes(value)) + # + if issubclass(BField, CTypesGenericArray): + setter = None + if BField._declared_length == 0: + def getter(self, fname=fname, BFieldPtr=BField._CTPtr, + offset=CTypesStructOrUnion._offsetof(fname), + PTR=ctypes.POINTER(BField._ctype)): + addr = ctypes.addressof(self._blob) + p = ctypes.cast(addr + offset, PTR) + return BFieldPtr._from_ctypes(p) + # + else: + def getter(self, fname=fname, BField=BField): + return BField._from_ctypes(getattr(self._blob, fname)) + def setter(self, value, fname=fname, BField=BField): + # xxx obscure workaround + value = BField._to_ctypes(value) + oldvalue = getattr(self._blob, fname) + setattr(self._blob, fname, value) + if value != getattr(self._blob, fname): + setattr(self._blob, fname, oldvalue) + raise OverflowError("value too large for bitfield") + setattr(CTypesStructOrUnion, fname, property(getter, setter)) + # + CTypesPtr = self.ffi._get_cached_btype(model.PointerType(tp)) + for fname in fnames: + if hasattr(CTypesPtr, fname): + raise ValueError("the field name %r conflicts in " + "the ctypes backend" % fname) + def getter(self, fname=fname): + return getattr(self[0], fname) + def setter(self, value, fname=fname): + setattr(self[0], fname, value) + setattr(CTypesPtr, fname, property(getter, setter)) + + def new_function_type(self, BArgs, BResult, has_varargs): + nameargs = [BArg._get_c_name() for BArg in BArgs] + if has_varargs: + nameargs.append('...') + nameargs = ', '.join(nameargs) + # + class CTypesFunctionPtr(CTypesGenericPtr): + __slots__ = ['_own_callback', '_name'] + _ctype = ctypes.CFUNCTYPE(getattr(BResult, '_ctype', None), + *[BArg._ctype for BArg in BArgs], + use_errno=True) + _reftypename = BResult._get_c_name('(* &)(%s)' % (nameargs,)) + + def __init__(self, init, error=None): + # create a callback to the Python callable init() + import traceback + assert not has_varargs, "varargs not supported for callbacks" + if getattr(BResult, '_ctype', None) is not None: + error = BResult._from_ctypes( + BResult._create_ctype_obj(error)) + else: + error = None + def callback(*args): + args2 = [] + for arg, BArg in zip(args, BArgs): + args2.append(BArg._from_ctypes(arg)) + try: + res2 = init(*args2) + res2 = BResult._to_ctypes(res2) + except: + traceback.print_exc() + res2 = error + if issubclass(BResult, CTypesGenericPtr): + if res2: + res2 = ctypes.cast(res2, ctypes.c_void_p).value + # .value: http://bugs.python.org/issue1574593 + else: + res2 = None + #print repr(res2) + return res2 + if issubclass(BResult, CTypesGenericPtr): + # The only pointers callbacks can return are void*s: + # http://bugs.python.org/issue5710 + callback_ctype = ctypes.CFUNCTYPE( + ctypes.c_void_p, + *[BArg._ctype for BArg in BArgs], + use_errno=True) + else: + callback_ctype = CTypesFunctionPtr._ctype + self._as_ctype_ptr = callback_ctype(callback) + self._address = ctypes.cast(self._as_ctype_ptr, + ctypes.c_void_p).value + self._own_callback = init + + @staticmethod + def _initialize(ctypes_ptr, value): + if value: + raise NotImplementedError("ctypes backend: not supported: " + "initializers for function pointers") + + def __repr__(self): + c_name = getattr(self, '_name', None) + if c_name: + i = self._reftypename.index('(* &)') + if self._reftypename[i-1] not in ' )*': + c_name = ' ' + c_name + c_name = self._reftypename.replace('(* &)', c_name) + return CTypesData.__repr__(self, c_name) + + def _get_own_repr(self): + if getattr(self, '_own_callback', None) is not None: + return 'calling %r' % (self._own_callback,) + return super(CTypesFunctionPtr, self)._get_own_repr() + + def __call__(self, *args): + if has_varargs: + assert len(args) >= len(BArgs) + extraargs = args[len(BArgs):] + args = args[:len(BArgs)] + else: + assert len(args) == len(BArgs) + ctypes_args = [] + for arg, BArg in zip(args, BArgs): + ctypes_args.append(BArg._arg_to_ctypes(arg)) + if has_varargs: + for i, arg in enumerate(extraargs): + if arg is None: + ctypes_args.append(ctypes.c_void_p(0)) # NULL + continue + if not isinstance(arg, CTypesData): + raise TypeError( + "argument %d passed in the variadic part " + "needs to be a cdata object (got %s)" % + (1 + len(BArgs) + i, type(arg).__name__)) + ctypes_args.append(arg._arg_to_ctypes(arg)) + result = self._as_ctype_ptr(*ctypes_args) + return BResult._from_ctypes(result) + # + CTypesFunctionPtr._fix_class() + return CTypesFunctionPtr + + def new_enum_type(self, name, enumerators, enumvalues, CTypesInt): + assert isinstance(name, str) + reverse_mapping = dict(zip(reversed(enumvalues), + reversed(enumerators))) + # + class CTypesEnum(CTypesInt): + __slots__ = [] + _reftypename = '%s &' % name + + def _get_own_repr(self): + value = self._value + try: + return '%d: %s' % (value, reverse_mapping[value]) + except KeyError: + return str(value) + + def _to_string(self, maxlen): + value = self._value + try: + return reverse_mapping[value] + except KeyError: + return str(value) + # + CTypesEnum._fix_class() + return CTypesEnum + + def get_errno(self): + return ctypes.get_errno() + + def set_errno(self, value): + ctypes.set_errno(value) + + def string(self, b, maxlen=-1): + return b._to_string(maxlen) + + def buffer(self, bptr, size=-1): + raise NotImplementedError("buffer() with ctypes backend") + + def sizeof(self, cdata_or_BType): + if isinstance(cdata_or_BType, CTypesData): + return cdata_or_BType._get_size_of_instance() + else: + assert issubclass(cdata_or_BType, CTypesData) + return cdata_or_BType._get_size() + + def alignof(self, BType): + assert issubclass(BType, CTypesData) + return BType._alignment() + + def newp(self, BType, source): + if not issubclass(BType, CTypesData): + raise TypeError + return BType._newp(source) + + def cast(self, BType, source): + return BType._cast_from(source) + + def callback(self, BType, source, error, onerror): + assert onerror is None # XXX not implemented + return BType(source, error) + + _weakref_cache_ref = None + + def gcp(self, cdata, destructor, size=0): + if self._weakref_cache_ref is None: + import weakref + class MyRef(weakref.ref): + def __eq__(self, other): + myref = self() + return self is other or ( + myref is not None and myref is other()) + def __ne__(self, other): + return not (self == other) + def __hash__(self): + try: + return self._hash + except AttributeError: + self._hash = hash(self()) + return self._hash + self._weakref_cache_ref = {}, MyRef + weak_cache, MyRef = self._weakref_cache_ref + + if destructor is None: + try: + del weak_cache[MyRef(cdata)] + except KeyError: + raise TypeError("Can remove destructor only on a object " + "previously returned by ffi.gc()") + return None + + def remove(k): + cdata, destructor = weak_cache.pop(k, (None, None)) + if destructor is not None: + destructor(cdata) + + new_cdata = self.cast(self.typeof(cdata), cdata) + assert new_cdata is not cdata + weak_cache[MyRef(new_cdata, remove)] = (cdata, destructor) + return new_cdata + + typeof = type + + def getcname(self, BType, replace_with): + return BType._get_c_name(replace_with) + + def typeoffsetof(self, BType, fieldname, num=0): + if isinstance(fieldname, str): + if num == 0 and issubclass(BType, CTypesGenericPtr): + BType = BType._BItem + if not issubclass(BType, CTypesBaseStructOrUnion): + raise TypeError("expected a struct or union ctype") + BField = BType._bfield_types[fieldname] + if BField is Ellipsis: + raise TypeError("not supported for bitfields") + return (BField, BType._offsetof(fieldname)) + elif isinstance(fieldname, (int, long)): + if issubclass(BType, CTypesGenericArray): + BType = BType._CTPtr + if not issubclass(BType, CTypesGenericPtr): + raise TypeError("expected an array or ptr ctype") + BItem = BType._BItem + offset = BItem._get_size() * fieldname + if offset > sys.maxsize: + raise OverflowError + return (BItem, offset) + else: + raise TypeError(type(fieldname)) + + def rawaddressof(self, BTypePtr, cdata, offset=None): + if isinstance(cdata, CTypesBaseStructOrUnion): + ptr = ctypes.pointer(type(cdata)._to_ctypes(cdata)) + elif isinstance(cdata, CTypesGenericPtr): + if offset is None or not issubclass(type(cdata)._BItem, + CTypesBaseStructOrUnion): + raise TypeError("unexpected cdata type") + ptr = type(cdata)._to_ctypes(cdata) + elif isinstance(cdata, CTypesGenericArray): + ptr = type(cdata)._to_ctypes(cdata) + else: + raise TypeError("expected a ") + if offset: + ptr = ctypes.cast( + ctypes.c_void_p( + ctypes.cast(ptr, ctypes.c_void_p).value + offset), + type(ptr)) + return BTypePtr._from_ctypes(ptr) + + +class CTypesLibrary(object): + + def __init__(self, backend, cdll): + self.backend = backend + self.cdll = cdll + + def load_function(self, BType, name): + c_func = getattr(self.cdll, name) + funcobj = BType._from_ctypes(c_func) + funcobj._name = name + return funcobj + + def read_variable(self, BType, name): + try: + ctypes_obj = BType._ctype.in_dll(self.cdll, name) + except AttributeError as e: + raise NotImplementedError(e) + return BType._from_ctypes(ctypes_obj) + + def write_variable(self, BType, name, value): + new_ctypes_obj = BType._to_ctypes(value) + ctypes_obj = BType._ctype.in_dll(self.cdll, name) + ctypes.memmove(ctypes.addressof(ctypes_obj), + ctypes.addressof(new_ctypes_obj), + ctypes.sizeof(BType._ctype)) diff --git a/venv/lib/python3.12/site-packages/cffi/cffi_opcode.py b/venv/lib/python3.12/site-packages/cffi/cffi_opcode.py new file mode 100644 index 0000000..6421df6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/cffi_opcode.py @@ -0,0 +1,187 @@ +from .error import VerificationError + +class CffiOp(object): + def __init__(self, op, arg): + self.op = op + self.arg = arg + + def as_c_expr(self): + if self.op is None: + assert isinstance(self.arg, str) + return '(_cffi_opcode_t)(%s)' % (self.arg,) + classname = CLASS_NAME[self.op] + return '_CFFI_OP(_CFFI_OP_%s, %s)' % (classname, self.arg) + + def as_python_bytes(self): + if self.op is None and self.arg.isdigit(): + value = int(self.arg) # non-negative: '-' not in self.arg + if value >= 2**31: + raise OverflowError("cannot emit %r: limited to 2**31-1" + % (self.arg,)) + return format_four_bytes(value) + if isinstance(self.arg, str): + raise VerificationError("cannot emit to Python: %r" % (self.arg,)) + return format_four_bytes((self.arg << 8) | self.op) + + def __str__(self): + classname = CLASS_NAME.get(self.op, self.op) + return '(%s %s)' % (classname, self.arg) + +def format_four_bytes(num): + return '\\x%02X\\x%02X\\x%02X\\x%02X' % ( + (num >> 24) & 0xFF, + (num >> 16) & 0xFF, + (num >> 8) & 0xFF, + (num ) & 0xFF) + +OP_PRIMITIVE = 1 +OP_POINTER = 3 +OP_ARRAY = 5 +OP_OPEN_ARRAY = 7 +OP_STRUCT_UNION = 9 +OP_ENUM = 11 +OP_FUNCTION = 13 +OP_FUNCTION_END = 15 +OP_NOOP = 17 +OP_BITFIELD = 19 +OP_TYPENAME = 21 +OP_CPYTHON_BLTN_V = 23 # varargs +OP_CPYTHON_BLTN_N = 25 # noargs +OP_CPYTHON_BLTN_O = 27 # O (i.e. a single arg) +OP_CONSTANT = 29 +OP_CONSTANT_INT = 31 +OP_GLOBAL_VAR = 33 +OP_DLOPEN_FUNC = 35 +OP_DLOPEN_CONST = 37 +OP_GLOBAL_VAR_F = 39 +OP_EXTERN_PYTHON = 41 + +PRIM_VOID = 0 +PRIM_BOOL = 1 +PRIM_CHAR = 2 +PRIM_SCHAR = 3 +PRIM_UCHAR = 4 +PRIM_SHORT = 5 +PRIM_USHORT = 6 +PRIM_INT = 7 +PRIM_UINT = 8 +PRIM_LONG = 9 +PRIM_ULONG = 10 +PRIM_LONGLONG = 11 +PRIM_ULONGLONG = 12 +PRIM_FLOAT = 13 +PRIM_DOUBLE = 14 +PRIM_LONGDOUBLE = 15 + +PRIM_WCHAR = 16 +PRIM_INT8 = 17 +PRIM_UINT8 = 18 +PRIM_INT16 = 19 +PRIM_UINT16 = 20 +PRIM_INT32 = 21 +PRIM_UINT32 = 22 +PRIM_INT64 = 23 +PRIM_UINT64 = 24 +PRIM_INTPTR = 25 +PRIM_UINTPTR = 26 +PRIM_PTRDIFF = 27 +PRIM_SIZE = 28 +PRIM_SSIZE = 29 +PRIM_INT_LEAST8 = 30 +PRIM_UINT_LEAST8 = 31 +PRIM_INT_LEAST16 = 32 +PRIM_UINT_LEAST16 = 33 +PRIM_INT_LEAST32 = 34 +PRIM_UINT_LEAST32 = 35 +PRIM_INT_LEAST64 = 36 +PRIM_UINT_LEAST64 = 37 +PRIM_INT_FAST8 = 38 +PRIM_UINT_FAST8 = 39 +PRIM_INT_FAST16 = 40 +PRIM_UINT_FAST16 = 41 +PRIM_INT_FAST32 = 42 +PRIM_UINT_FAST32 = 43 +PRIM_INT_FAST64 = 44 +PRIM_UINT_FAST64 = 45 +PRIM_INTMAX = 46 +PRIM_UINTMAX = 47 +PRIM_FLOATCOMPLEX = 48 +PRIM_DOUBLECOMPLEX = 49 +PRIM_CHAR16 = 50 +PRIM_CHAR32 = 51 + +_NUM_PRIM = 52 +_UNKNOWN_PRIM = -1 +_UNKNOWN_FLOAT_PRIM = -2 +_UNKNOWN_LONG_DOUBLE = -3 + +_IO_FILE_STRUCT = -1 + +PRIMITIVE_TO_INDEX = { + 'char': PRIM_CHAR, + 'short': PRIM_SHORT, + 'int': PRIM_INT, + 'long': PRIM_LONG, + 'long long': PRIM_LONGLONG, + 'signed char': PRIM_SCHAR, + 'unsigned char': PRIM_UCHAR, + 'unsigned short': PRIM_USHORT, + 'unsigned int': PRIM_UINT, + 'unsigned long': PRIM_ULONG, + 'unsigned long long': PRIM_ULONGLONG, + 'float': PRIM_FLOAT, + 'double': PRIM_DOUBLE, + 'long double': PRIM_LONGDOUBLE, + '_cffi_float_complex_t': PRIM_FLOATCOMPLEX, + '_cffi_double_complex_t': PRIM_DOUBLECOMPLEX, + '_Bool': PRIM_BOOL, + 'wchar_t': PRIM_WCHAR, + 'char16_t': PRIM_CHAR16, + 'char32_t': PRIM_CHAR32, + 'int8_t': PRIM_INT8, + 'uint8_t': PRIM_UINT8, + 'int16_t': PRIM_INT16, + 'uint16_t': PRIM_UINT16, + 'int32_t': PRIM_INT32, + 'uint32_t': PRIM_UINT32, + 'int64_t': PRIM_INT64, + 'uint64_t': PRIM_UINT64, + 'intptr_t': PRIM_INTPTR, + 'uintptr_t': PRIM_UINTPTR, + 'ptrdiff_t': PRIM_PTRDIFF, + 'size_t': PRIM_SIZE, + 'ssize_t': PRIM_SSIZE, + 'int_least8_t': PRIM_INT_LEAST8, + 'uint_least8_t': PRIM_UINT_LEAST8, + 'int_least16_t': PRIM_INT_LEAST16, + 'uint_least16_t': PRIM_UINT_LEAST16, + 'int_least32_t': PRIM_INT_LEAST32, + 'uint_least32_t': PRIM_UINT_LEAST32, + 'int_least64_t': PRIM_INT_LEAST64, + 'uint_least64_t': PRIM_UINT_LEAST64, + 'int_fast8_t': PRIM_INT_FAST8, + 'uint_fast8_t': PRIM_UINT_FAST8, + 'int_fast16_t': PRIM_INT_FAST16, + 'uint_fast16_t': PRIM_UINT_FAST16, + 'int_fast32_t': PRIM_INT_FAST32, + 'uint_fast32_t': PRIM_UINT_FAST32, + 'int_fast64_t': PRIM_INT_FAST64, + 'uint_fast64_t': PRIM_UINT_FAST64, + 'intmax_t': PRIM_INTMAX, + 'uintmax_t': PRIM_UINTMAX, + } + +F_UNION = 0x01 +F_CHECK_FIELDS = 0x02 +F_PACKED = 0x04 +F_EXTERNAL = 0x08 +F_OPAQUE = 0x10 + +G_FLAGS = dict([('_CFFI_' + _key, globals()[_key]) + for _key in ['F_UNION', 'F_CHECK_FIELDS', 'F_PACKED', + 'F_EXTERNAL', 'F_OPAQUE']]) + +CLASS_NAME = {} +for _name, _value in list(globals().items()): + if _name.startswith('OP_') and isinstance(_value, int): + CLASS_NAME[_value] = _name[3:] diff --git a/venv/lib/python3.12/site-packages/cffi/commontypes.py b/venv/lib/python3.12/site-packages/cffi/commontypes.py new file mode 100644 index 0000000..d4dae35 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/commontypes.py @@ -0,0 +1,82 @@ +import sys +from . import model +from .error import FFIError + + +COMMON_TYPES = {} + +try: + # fetch "bool" and all simple Windows types + from _cffi_backend import _get_common_types + _get_common_types(COMMON_TYPES) +except ImportError: + pass + +COMMON_TYPES['FILE'] = model.unknown_type('FILE', '_IO_FILE') +COMMON_TYPES['bool'] = '_Bool' # in case we got ImportError above +COMMON_TYPES['float _Complex'] = '_cffi_float_complex_t' +COMMON_TYPES['double _Complex'] = '_cffi_double_complex_t' + +for _type in model.PrimitiveType.ALL_PRIMITIVE_TYPES: + if _type.endswith('_t'): + COMMON_TYPES[_type] = _type +del _type + +_CACHE = {} + +def resolve_common_type(parser, commontype): + try: + return _CACHE[commontype] + except KeyError: + cdecl = COMMON_TYPES.get(commontype, commontype) + if not isinstance(cdecl, str): + result, quals = cdecl, 0 # cdecl is already a BaseType + elif cdecl in model.PrimitiveType.ALL_PRIMITIVE_TYPES: + result, quals = model.PrimitiveType(cdecl), 0 + elif cdecl == 'set-unicode-needed': + raise FFIError("The Windows type %r is only available after " + "you call ffi.set_unicode()" % (commontype,)) + else: + if commontype == cdecl: + raise FFIError( + "Unsupported type: %r. Please look at " + "http://cffi.readthedocs.io/en/latest/cdef.html#ffi-cdef-limitations " + "and file an issue if you think this type should really " + "be supported." % (commontype,)) + result, quals = parser.parse_type_and_quals(cdecl) # recursive + + assert isinstance(result, model.BaseTypeByIdentity) + _CACHE[commontype] = result, quals + return result, quals + + +# ____________________________________________________________ +# extra types for Windows (most of them are in commontypes.c) + + +def win_common_types(): + return { + "UNICODE_STRING": model.StructType( + "_UNICODE_STRING", + ["Length", + "MaximumLength", + "Buffer"], + [model.PrimitiveType("unsigned short"), + model.PrimitiveType("unsigned short"), + model.PointerType(model.PrimitiveType("wchar_t"))], + [-1, -1, -1]), + "PUNICODE_STRING": "UNICODE_STRING *", + "PCUNICODE_STRING": "const UNICODE_STRING *", + + "TBYTE": "set-unicode-needed", + "TCHAR": "set-unicode-needed", + "LPCTSTR": "set-unicode-needed", + "PCTSTR": "set-unicode-needed", + "LPTSTR": "set-unicode-needed", + "PTSTR": "set-unicode-needed", + "PTBYTE": "set-unicode-needed", + "PTCHAR": "set-unicode-needed", + } + +if sys.platform == 'win32': + COMMON_TYPES.update(win_common_types()) diff --git a/venv/lib/python3.12/site-packages/cffi/cparser.py b/venv/lib/python3.12/site-packages/cffi/cparser.py new file mode 100644 index 0000000..eee83ca --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/cparser.py @@ -0,0 +1,1015 @@ +from . import model +from .commontypes import COMMON_TYPES, resolve_common_type +from .error import FFIError, CDefError +try: + from . import _pycparser as pycparser +except ImportError: + import pycparser +import weakref, re, sys + +try: + if sys.version_info < (3,): + import thread as _thread + else: + import _thread + lock = _thread.allocate_lock() +except ImportError: + lock = None + +def _workaround_for_static_import_finders(): + # Issue #392: packaging tools like cx_Freeze can not find these + # because pycparser uses exec dynamic import. This is an obscure + # workaround. This function is never called. + import pycparser.yacctab + import pycparser.lextab + +CDEF_SOURCE_STRING = "" +_r_comment = re.compile(r"/\*.*?\*/|//([^\n\\]|\\.)*?$", + re.DOTALL | re.MULTILINE) +_r_define = re.compile(r"^\s*#\s*define\s+([A-Za-z_][A-Za-z_0-9]*)" + r"\b((?:[^\n\\]|\\.)*?)$", + re.DOTALL | re.MULTILINE) +_r_line_directive = re.compile(r"^[ \t]*#[ \t]*(?:line|\d+)\b.*$", re.MULTILINE) +_r_partial_enum = re.compile(r"=\s*\.\.\.\s*[,}]|\.\.\.\s*\}") +_r_enum_dotdotdot = re.compile(r"__dotdotdot\d+__$") +_r_partial_array = re.compile(r"\[\s*\.\.\.\s*\]") +_r_words = re.compile(r"\w+|\S") +_parser_cache = None +_r_int_literal = re.compile(r"-?0?x?[0-9a-f]+[lu]*$", re.IGNORECASE) +_r_stdcall1 = re.compile(r"\b(__stdcall|WINAPI)\b") +_r_stdcall2 = re.compile(r"[(]\s*(__stdcall|WINAPI)\b") +_r_cdecl = re.compile(r"\b__cdecl\b") +_r_extern_python = re.compile(r'\bextern\s*"' + r'(Python|Python\s*\+\s*C|C\s*\+\s*Python)"\s*.') +_r_star_const_space = re.compile( # matches "* const " + r"[*]\s*((const|volatile|restrict)\b\s*)+") +_r_int_dotdotdot = re.compile(r"(\b(int|long|short|signed|unsigned|char)\s*)+" + r"\.\.\.") +_r_float_dotdotdot = re.compile(r"\b(double|float)\s*\.\.\.") + +def _get_parser(): + global _parser_cache + if _parser_cache is None: + _parser_cache = pycparser.CParser() + return _parser_cache + +def _workaround_for_old_pycparser(csource): + # Workaround for a pycparser issue (fixed between pycparser 2.10 and + # 2.14): "char*const***" gives us a wrong syntax tree, the same as + # for "char***(*const)". This means we can't tell the difference + # afterwards. But "char(*const(***))" gives us the right syntax + # tree. The issue only occurs if there are several stars in + # sequence with no parenthesis inbetween, just possibly qualifiers. + # Attempt to fix it by adding some parentheses in the source: each + # time we see "* const" or "* const *", we add an opening + # parenthesis before each star---the hard part is figuring out where + # to close them. + parts = [] + while True: + match = _r_star_const_space.search(csource) + if not match: + break + #print repr(''.join(parts)+csource), '=>', + parts.append(csource[:match.start()]) + parts.append('('); closing = ')' + parts.append(match.group()) # e.g. "* const " + endpos = match.end() + if csource.startswith('*', endpos): + parts.append('('); closing += ')' + level = 0 + i = endpos + while i < len(csource): + c = csource[i] + if c == '(': + level += 1 + elif c == ')': + if level == 0: + break + level -= 1 + elif c in ',;=': + if level == 0: + break + i += 1 + csource = csource[endpos:i] + closing + csource[i:] + #print repr(''.join(parts)+csource) + parts.append(csource) + return ''.join(parts) + +def _preprocess_extern_python(csource): + # input: `extern "Python" int foo(int);` or + # `extern "Python" { int foo(int); }` + # output: + # void __cffi_extern_python_start; + # int foo(int); + # void __cffi_extern_python_stop; + # + # input: `extern "Python+C" int foo(int);` + # output: + # void __cffi_extern_python_plus_c_start; + # int foo(int); + # void __cffi_extern_python_stop; + parts = [] + while True: + match = _r_extern_python.search(csource) + if not match: + break + endpos = match.end() - 1 + #print + #print ''.join(parts)+csource + #print '=>' + parts.append(csource[:match.start()]) + if 'C' in match.group(1): + parts.append('void __cffi_extern_python_plus_c_start; ') + else: + parts.append('void __cffi_extern_python_start; ') + if csource[endpos] == '{': + # grouping variant + closing = csource.find('}', endpos) + if closing < 0: + raise CDefError("'extern \"Python\" {': no '}' found") + if csource.find('{', endpos + 1, closing) >= 0: + raise NotImplementedError("cannot use { } inside a block " + "'extern \"Python\" { ... }'") + parts.append(csource[endpos+1:closing]) + csource = csource[closing+1:] + else: + # non-grouping variant + semicolon = csource.find(';', endpos) + if semicolon < 0: + raise CDefError("'extern \"Python\": no ';' found") + parts.append(csource[endpos:semicolon+1]) + csource = csource[semicolon+1:] + parts.append(' void __cffi_extern_python_stop;') + #print ''.join(parts)+csource + #print + parts.append(csource) + return ''.join(parts) + +def _warn_for_string_literal(csource): + if '"' not in csource: + return + for line in csource.splitlines(): + if '"' in line and not line.lstrip().startswith('#'): + import warnings + warnings.warn("String literal found in cdef() or type source. " + "String literals are ignored here, but you should " + "remove them anyway because some character sequences " + "confuse pre-parsing.") + break + +def _warn_for_non_extern_non_static_global_variable(decl): + if not decl.storage: + import warnings + warnings.warn("Global variable '%s' in cdef(): for consistency " + "with C it should have a storage class specifier " + "(usually 'extern')" % (decl.name,)) + +def _remove_line_directives(csource): + # _r_line_directive matches whole lines, without the final \n, if they + # start with '#line' with some spacing allowed, or '#NUMBER'. This + # function stores them away and replaces them with exactly the string + # '#line@N', where N is the index in the list 'line_directives'. + line_directives = [] + def replace(m): + i = len(line_directives) + line_directives.append(m.group()) + return '#line@%d' % i + csource = _r_line_directive.sub(replace, csource) + return csource, line_directives + +def _put_back_line_directives(csource, line_directives): + def replace(m): + s = m.group() + if not s.startswith('#line@'): + raise AssertionError("unexpected #line directive " + "(should have been processed and removed") + return line_directives[int(s[6:])] + return _r_line_directive.sub(replace, csource) + +def _preprocess(csource): + # First, remove the lines of the form '#line N "filename"' because + # the "filename" part could confuse the rest + csource, line_directives = _remove_line_directives(csource) + # Remove comments. NOTE: this only work because the cdef() section + # should not contain any string literals (except in line directives)! + def replace_keeping_newlines(m): + return ' ' + m.group().count('\n') * '\n' + csource = _r_comment.sub(replace_keeping_newlines, csource) + # Remove the "#define FOO x" lines + macros = {} + for match in _r_define.finditer(csource): + macroname, macrovalue = match.groups() + macrovalue = macrovalue.replace('\\\n', '').strip() + macros[macroname] = macrovalue + csource = _r_define.sub('', csource) + # + if pycparser.__version__ < '2.14': + csource = _workaround_for_old_pycparser(csource) + # + # BIG HACK: replace WINAPI or __stdcall with "volatile const". + # It doesn't make sense for the return type of a function to be + # "volatile volatile const", so we abuse it to detect __stdcall... + # Hack number 2 is that "int(volatile *fptr)();" is not valid C + # syntax, so we place the "volatile" before the opening parenthesis. + csource = _r_stdcall2.sub(' volatile volatile const(', csource) + csource = _r_stdcall1.sub(' volatile volatile const ', csource) + csource = _r_cdecl.sub(' ', csource) + # + # Replace `extern "Python"` with start/end markers + csource = _preprocess_extern_python(csource) + # + # Now there should not be any string literal left; warn if we get one + _warn_for_string_literal(csource) + # + # Replace "[...]" with "[__dotdotdotarray__]" + csource = _r_partial_array.sub('[__dotdotdotarray__]', csource) + # + # Replace "...}" with "__dotdotdotNUM__}". This construction should + # occur only at the end of enums; at the end of structs we have "...;}" + # and at the end of vararg functions "...);". Also replace "=...[,}]" + # with ",__dotdotdotNUM__[,}]": this occurs in the enums too, when + # giving an unknown value. + matches = list(_r_partial_enum.finditer(csource)) + for number, match in enumerate(reversed(matches)): + p = match.start() + if csource[p] == '=': + p2 = csource.find('...', p, match.end()) + assert p2 > p + csource = '%s,__dotdotdot%d__ %s' % (csource[:p], number, + csource[p2+3:]) + else: + assert csource[p:p+3] == '...' + csource = '%s __dotdotdot%d__ %s' % (csource[:p], number, + csource[p+3:]) + # Replace "int ..." or "unsigned long int..." with "__dotdotdotint__" + csource = _r_int_dotdotdot.sub(' __dotdotdotint__ ', csource) + # Replace "float ..." or "double..." with "__dotdotdotfloat__" + csource = _r_float_dotdotdot.sub(' __dotdotdotfloat__ ', csource) + # Replace all remaining "..." with the same name, "__dotdotdot__", + # which is declared with a typedef for the purpose of C parsing. + csource = csource.replace('...', ' __dotdotdot__ ') + # Finally, put back the line directives + csource = _put_back_line_directives(csource, line_directives) + return csource, macros + +def _common_type_names(csource): + # Look in the source for what looks like usages of types from the + # list of common types. A "usage" is approximated here as the + # appearance of the word, minus a "definition" of the type, which + # is the last word in a "typedef" statement. Approximative only + # but should be fine for all the common types. + look_for_words = set(COMMON_TYPES) + look_for_words.add(';') + look_for_words.add(',') + look_for_words.add('(') + look_for_words.add(')') + look_for_words.add('typedef') + words_used = set() + is_typedef = False + paren = 0 + previous_word = '' + for word in _r_words.findall(csource): + if word in look_for_words: + if word == ';': + if is_typedef: + words_used.discard(previous_word) + look_for_words.discard(previous_word) + is_typedef = False + elif word == 'typedef': + is_typedef = True + paren = 0 + elif word == '(': + paren += 1 + elif word == ')': + paren -= 1 + elif word == ',': + if is_typedef and paren == 0: + words_used.discard(previous_word) + look_for_words.discard(previous_word) + else: # word in COMMON_TYPES + words_used.add(word) + previous_word = word + return words_used + + +class Parser(object): + + def __init__(self): + self._declarations = {} + self._included_declarations = set() + self._anonymous_counter = 0 + self._structnode2type = weakref.WeakKeyDictionary() + self._options = {} + self._int_constants = {} + self._recomplete = [] + self._uses_new_feature = None + + def _parse(self, csource): + csource, macros = _preprocess(csource) + # XXX: for more efficiency we would need to poke into the + # internals of CParser... the following registers the + # typedefs, because their presence or absence influences the + # parsing itself (but what they are typedef'ed to plays no role) + ctn = _common_type_names(csource) + typenames = [] + for name in sorted(self._declarations): + if name.startswith('typedef '): + name = name[8:] + typenames.append(name) + ctn.discard(name) + typenames += sorted(ctn) + # + csourcelines = [] + csourcelines.append('# 1 ""') + for typename in typenames: + csourcelines.append('typedef int %s;' % typename) + csourcelines.append('typedef int __dotdotdotint__, __dotdotdotfloat__,' + ' __dotdotdot__;') + # this forces pycparser to consider the following in the file + # called from line 1 + csourcelines.append('# 1 "%s"' % (CDEF_SOURCE_STRING,)) + csourcelines.append(csource) + csourcelines.append('') # see test_missing_newline_bug + fullcsource = '\n'.join(csourcelines) + if lock is not None: + lock.acquire() # pycparser is not thread-safe... + try: + ast = _get_parser().parse(fullcsource) + except pycparser.c_parser.ParseError as e: + self.convert_pycparser_error(e, csource) + finally: + if lock is not None: + lock.release() + # csource will be used to find buggy source text + return ast, macros, csource + + def _convert_pycparser_error(self, e, csource): + # xxx look for ":NUM:" at the start of str(e) + # and interpret that as a line number. This will not work if + # the user gives explicit ``# NUM "FILE"`` directives. + line = None + msg = str(e) + match = re.match(r"%s:(\d+):" % (CDEF_SOURCE_STRING,), msg) + if match: + linenum = int(match.group(1), 10) + csourcelines = csource.splitlines() + if 1 <= linenum <= len(csourcelines): + line = csourcelines[linenum-1] + return line + + def convert_pycparser_error(self, e, csource): + line = self._convert_pycparser_error(e, csource) + + msg = str(e) + if line: + msg = 'cannot parse "%s"\n%s' % (line.strip(), msg) + else: + msg = 'parse error\n%s' % (msg,) + raise CDefError(msg) + + def parse(self, csource, override=False, packed=False, pack=None, + dllexport=False): + if packed: + if packed != True: + raise ValueError("'packed' should be False or True; use " + "'pack' to give another value") + if pack: + raise ValueError("cannot give both 'pack' and 'packed'") + pack = 1 + elif pack: + if pack & (pack - 1): + raise ValueError("'pack' must be a power of two, not %r" % + (pack,)) + else: + pack = 0 + prev_options = self._options + try: + self._options = {'override': override, + 'packed': pack, + 'dllexport': dllexport} + self._internal_parse(csource) + finally: + self._options = prev_options + + def _internal_parse(self, csource): + ast, macros, csource = self._parse(csource) + # add the macros + self._process_macros(macros) + # find the first "__dotdotdot__" and use that as a separator + # between the repeated typedefs and the real csource + iterator = iter(ast.ext) + for decl in iterator: + if decl.name == '__dotdotdot__': + break + else: + assert 0 + current_decl = None + # + try: + self._inside_extern_python = '__cffi_extern_python_stop' + for decl in iterator: + current_decl = decl + if isinstance(decl, pycparser.c_ast.Decl): + self._parse_decl(decl) + elif isinstance(decl, pycparser.c_ast.Typedef): + if not decl.name: + raise CDefError("typedef does not declare any name", + decl) + quals = 0 + if (isinstance(decl.type.type, pycparser.c_ast.IdentifierType) and + decl.type.type.names[-1].startswith('__dotdotdot')): + realtype = self._get_unknown_type(decl) + elif (isinstance(decl.type, pycparser.c_ast.PtrDecl) and + isinstance(decl.type.type, pycparser.c_ast.TypeDecl) and + isinstance(decl.type.type.type, + pycparser.c_ast.IdentifierType) and + decl.type.type.type.names[-1].startswith('__dotdotdot')): + realtype = self._get_unknown_ptr_type(decl) + else: + realtype, quals = self._get_type_and_quals( + decl.type, name=decl.name, partial_length_ok=True, + typedef_example="*(%s *)0" % (decl.name,)) + self._declare('typedef ' + decl.name, realtype, quals=quals) + elif decl.__class__.__name__ == 'Pragma': + # skip pragma, only in pycparser 2.15 + import warnings + warnings.warn( + "#pragma in cdef() are entirely ignored. " + "They should be removed for now, otherwise your " + "code might behave differently in a future version " + "of CFFI if #pragma support gets added. Note that " + "'#pragma pack' needs to be replaced with the " + "'packed' keyword argument to cdef().") + else: + raise CDefError("unexpected <%s>: this construct is valid " + "C but not valid in cdef()" % + decl.__class__.__name__, decl) + except CDefError as e: + if len(e.args) == 1: + e.args = e.args + (current_decl,) + raise + except FFIError as e: + msg = self._convert_pycparser_error(e, csource) + if msg: + e.args = (e.args[0] + "\n *** Err: %s" % msg,) + raise + + def _add_constants(self, key, val): + if key in self._int_constants: + if self._int_constants[key] == val: + return # ignore identical double declarations + raise FFIError( + "multiple declarations of constant: %s" % (key,)) + self._int_constants[key] = val + + def _add_integer_constant(self, name, int_str): + int_str = int_str.lower().rstrip("ul") + neg = int_str.startswith('-') + if neg: + int_str = int_str[1:] + # "010" is not valid oct in py3 + if (int_str.startswith("0") and int_str != '0' + and not int_str.startswith("0x")): + int_str = "0o" + int_str[1:] + pyvalue = int(int_str, 0) + if neg: + pyvalue = -pyvalue + self._add_constants(name, pyvalue) + self._declare('macro ' + name, pyvalue) + + def _process_macros(self, macros): + for key, value in macros.items(): + value = value.strip() + if _r_int_literal.match(value): + self._add_integer_constant(key, value) + elif value == '...': + self._declare('macro ' + key, value) + else: + raise CDefError( + 'only supports one of the following syntax:\n' + ' #define %s ... (literally dot-dot-dot)\n' + ' #define %s NUMBER (with NUMBER an integer' + ' constant, decimal/hex/octal)\n' + 'got:\n' + ' #define %s %s' + % (key, key, key, value)) + + def _declare_function(self, tp, quals, decl): + tp = self._get_type_pointer(tp, quals) + if self._options.get('dllexport'): + tag = 'dllexport_python ' + elif self._inside_extern_python == '__cffi_extern_python_start': + tag = 'extern_python ' + elif self._inside_extern_python == '__cffi_extern_python_plus_c_start': + tag = 'extern_python_plus_c ' + else: + tag = 'function ' + self._declare(tag + decl.name, tp) + + def _parse_decl(self, decl): + node = decl.type + if isinstance(node, pycparser.c_ast.FuncDecl): + tp, quals = self._get_type_and_quals(node, name=decl.name) + assert isinstance(tp, model.RawFunctionType) + self._declare_function(tp, quals, decl) + else: + if isinstance(node, pycparser.c_ast.Struct): + self._get_struct_union_enum_type('struct', node) + elif isinstance(node, pycparser.c_ast.Union): + self._get_struct_union_enum_type('union', node) + elif isinstance(node, pycparser.c_ast.Enum): + self._get_struct_union_enum_type('enum', node) + elif not decl.name: + raise CDefError("construct does not declare any variable", + decl) + # + if decl.name: + tp, quals = self._get_type_and_quals(node, + partial_length_ok=True) + if tp.is_raw_function: + self._declare_function(tp, quals, decl) + elif (tp.is_integer_type() and + hasattr(decl, 'init') and + hasattr(decl.init, 'value') and + _r_int_literal.match(decl.init.value)): + self._add_integer_constant(decl.name, decl.init.value) + elif (tp.is_integer_type() and + isinstance(decl.init, pycparser.c_ast.UnaryOp) and + decl.init.op == '-' and + hasattr(decl.init.expr, 'value') and + _r_int_literal.match(decl.init.expr.value)): + self._add_integer_constant(decl.name, + '-' + decl.init.expr.value) + elif (tp is model.void_type and + decl.name.startswith('__cffi_extern_python_')): + # hack: `extern "Python"` in the C source is replaced + # with "void __cffi_extern_python_start;" and + # "void __cffi_extern_python_stop;" + self._inside_extern_python = decl.name + else: + if self._inside_extern_python !='__cffi_extern_python_stop': + raise CDefError( + "cannot declare constants or " + "variables with 'extern \"Python\"'") + if (quals & model.Q_CONST) and not tp.is_array_type: + self._declare('constant ' + decl.name, tp, quals=quals) + else: + _warn_for_non_extern_non_static_global_variable(decl) + self._declare('variable ' + decl.name, tp, quals=quals) + + def parse_type(self, cdecl): + return self.parse_type_and_quals(cdecl)[0] + + def parse_type_and_quals(self, cdecl): + ast, macros = self._parse('void __dummy(\n%s\n);' % cdecl)[:2] + assert not macros + exprnode = ast.ext[-1].type.args.params[0] + if isinstance(exprnode, pycparser.c_ast.ID): + raise CDefError("unknown identifier '%s'" % (exprnode.name,)) + return self._get_type_and_quals(exprnode.type) + + def _declare(self, name, obj, included=False, quals=0): + if name in self._declarations: + prevobj, prevquals = self._declarations[name] + if prevobj is obj and prevquals == quals: + return + if not self._options.get('override'): + raise FFIError( + "multiple declarations of %s (for interactive usage, " + "try cdef(xx, override=True))" % (name,)) + assert '__dotdotdot__' not in name.split() + self._declarations[name] = (obj, quals) + if included: + self._included_declarations.add(obj) + + def _extract_quals(self, type): + quals = 0 + if isinstance(type, (pycparser.c_ast.TypeDecl, + pycparser.c_ast.PtrDecl)): + if 'const' in type.quals: + quals |= model.Q_CONST + if 'volatile' in type.quals: + quals |= model.Q_VOLATILE + if 'restrict' in type.quals: + quals |= model.Q_RESTRICT + return quals + + def _get_type_pointer(self, type, quals, declname=None): + if isinstance(type, model.RawFunctionType): + return type.as_function_pointer() + if (isinstance(type, model.StructOrUnionOrEnum) and + type.name.startswith('$') and type.name[1:].isdigit() and + type.forcename is None and declname is not None): + return model.NamedPointerType(type, declname, quals) + return model.PointerType(type, quals) + + def _get_type_and_quals(self, typenode, name=None, partial_length_ok=False, + typedef_example=None): + # first, dereference typedefs, if we have it already parsed, we're good + if (isinstance(typenode, pycparser.c_ast.TypeDecl) and + isinstance(typenode.type, pycparser.c_ast.IdentifierType) and + len(typenode.type.names) == 1 and + ('typedef ' + typenode.type.names[0]) in self._declarations): + tp, quals = self._declarations['typedef ' + typenode.type.names[0]] + quals |= self._extract_quals(typenode) + return tp, quals + # + if isinstance(typenode, pycparser.c_ast.ArrayDecl): + # array type + if typenode.dim is None: + length = None + else: + length = self._parse_constant( + typenode.dim, partial_length_ok=partial_length_ok) + # a hack: in 'typedef int foo_t[...][...];', don't use '...' as + # the length but use directly the C expression that would be + # generated by recompiler.py. This lets the typedef be used in + # many more places within recompiler.py + if typedef_example is not None: + if length == '...': + length = '_cffi_array_len(%s)' % (typedef_example,) + typedef_example = "*" + typedef_example + # + tp, quals = self._get_type_and_quals(typenode.type, + partial_length_ok=partial_length_ok, + typedef_example=typedef_example) + return model.ArrayType(tp, length), quals + # + if isinstance(typenode, pycparser.c_ast.PtrDecl): + # pointer type + itemtype, itemquals = self._get_type_and_quals(typenode.type) + tp = self._get_type_pointer(itemtype, itemquals, declname=name) + quals = self._extract_quals(typenode) + return tp, quals + # + if isinstance(typenode, pycparser.c_ast.TypeDecl): + quals = self._extract_quals(typenode) + type = typenode.type + if isinstance(type, pycparser.c_ast.IdentifierType): + # assume a primitive type. get it from .names, but reduce + # synonyms to a single chosen combination + names = list(type.names) + if names != ['signed', 'char']: # keep this unmodified + prefixes = {} + while names: + name = names[0] + if name in ('short', 'long', 'signed', 'unsigned'): + prefixes[name] = prefixes.get(name, 0) + 1 + del names[0] + else: + break + # ignore the 'signed' prefix below, and reorder the others + newnames = [] + for prefix in ('unsigned', 'short', 'long'): + for i in range(prefixes.get(prefix, 0)): + newnames.append(prefix) + if not names: + names = ['int'] # implicitly + if names == ['int']: # but kill it if 'short' or 'long' + if 'short' in prefixes or 'long' in prefixes: + names = [] + names = newnames + names + ident = ' '.join(names) + if ident == 'void': + return model.void_type, quals + if ident == '__dotdotdot__': + raise FFIError(':%d: bad usage of "..."' % + typenode.coord.line) + tp0, quals0 = resolve_common_type(self, ident) + return tp0, (quals | quals0) + # + if isinstance(type, pycparser.c_ast.Struct): + # 'struct foobar' + tp = self._get_struct_union_enum_type('struct', type, name) + return tp, quals + # + if isinstance(type, pycparser.c_ast.Union): + # 'union foobar' + tp = self._get_struct_union_enum_type('union', type, name) + return tp, quals + # + if isinstance(type, pycparser.c_ast.Enum): + # 'enum foobar' + tp = self._get_struct_union_enum_type('enum', type, name) + return tp, quals + # + if isinstance(typenode, pycparser.c_ast.FuncDecl): + # a function type + return self._parse_function_type(typenode, name), 0 + # + # nested anonymous structs or unions end up here + if isinstance(typenode, pycparser.c_ast.Struct): + return self._get_struct_union_enum_type('struct', typenode, name, + nested=True), 0 + if isinstance(typenode, pycparser.c_ast.Union): + return self._get_struct_union_enum_type('union', typenode, name, + nested=True), 0 + # + raise FFIError(":%d: bad or unsupported type declaration" % + typenode.coord.line) + + def _parse_function_type(self, typenode, funcname=None): + params = list(getattr(typenode.args, 'params', [])) + for i, arg in enumerate(params): + if not hasattr(arg, 'type'): + raise CDefError("%s arg %d: unknown type '%s'" + " (if you meant to use the old C syntax of giving" + " untyped arguments, it is not supported)" + % (funcname or 'in expression', i + 1, + getattr(arg, 'name', '?'))) + ellipsis = ( + len(params) > 0 and + isinstance(params[-1].type, pycparser.c_ast.TypeDecl) and + isinstance(params[-1].type.type, + pycparser.c_ast.IdentifierType) and + params[-1].type.type.names == ['__dotdotdot__']) + if ellipsis: + params.pop() + if not params: + raise CDefError( + "%s: a function with only '(...)' as argument" + " is not correct C" % (funcname or 'in expression')) + args = [self._as_func_arg(*self._get_type_and_quals(argdeclnode.type)) + for argdeclnode in params] + if not ellipsis and args == [model.void_type]: + args = [] + result, quals = self._get_type_and_quals(typenode.type) + # the 'quals' on the result type are ignored. HACK: we absure them + # to detect __stdcall functions: we textually replace "__stdcall" + # with "volatile volatile const" above. + abi = None + if hasattr(typenode.type, 'quals'): # else, probable syntax error anyway + if typenode.type.quals[-3:] == ['volatile', 'volatile', 'const']: + abi = '__stdcall' + return model.RawFunctionType(tuple(args), result, ellipsis, abi) + + def _as_func_arg(self, type, quals): + if isinstance(type, model.ArrayType): + return model.PointerType(type.item, quals) + elif isinstance(type, model.RawFunctionType): + return type.as_function_pointer() + else: + return type + + def _get_struct_union_enum_type(self, kind, type, name=None, nested=False): + # First, a level of caching on the exact 'type' node of the AST. + # This is obscure, but needed because pycparser "unrolls" declarations + # such as "typedef struct { } foo_t, *foo_p" and we end up with + # an AST that is not a tree, but a DAG, with the "type" node of the + # two branches foo_t and foo_p of the trees being the same node. + # It's a bit silly but detecting "DAG-ness" in the AST tree seems + # to be the only way to distinguish this case from two independent + # structs. See test_struct_with_two_usages. + try: + return self._structnode2type[type] + except KeyError: + pass + # + # Note that this must handle parsing "struct foo" any number of + # times and always return the same StructType object. Additionally, + # one of these times (not necessarily the first), the fields of + # the struct can be specified with "struct foo { ...fields... }". + # If no name is given, then we have to create a new anonymous struct + # with no caching; in this case, the fields are either specified + # right now or never. + # + force_name = name + name = type.name + # + # get the type or create it if needed + if name is None: + # 'force_name' is used to guess a more readable name for + # anonymous structs, for the common case "typedef struct { } foo". + if force_name is not None: + explicit_name = '$%s' % force_name + else: + self._anonymous_counter += 1 + explicit_name = '$%d' % self._anonymous_counter + tp = None + else: + explicit_name = name + key = '%s %s' % (kind, name) + tp, _ = self._declarations.get(key, (None, None)) + # + if tp is None: + if kind == 'struct': + tp = model.StructType(explicit_name, None, None, None) + elif kind == 'union': + tp = model.UnionType(explicit_name, None, None, None) + elif kind == 'enum': + if explicit_name == '__dotdotdot__': + raise CDefError("Enums cannot be declared with ...") + tp = self._build_enum_type(explicit_name, type.values) + else: + raise AssertionError("kind = %r" % (kind,)) + if name is not None: + self._declare(key, tp) + else: + if kind == 'enum' and type.values is not None: + raise NotImplementedError( + "enum %s: the '{}' declaration should appear on the first " + "time the enum is mentioned, not later" % explicit_name) + if not tp.forcename: + tp.force_the_name(force_name) + if tp.forcename and '$' in tp.name: + self._declare('anonymous %s' % tp.forcename, tp) + # + self._structnode2type[type] = tp + # + # enums: done here + if kind == 'enum': + return tp + # + # is there a 'type.decls'? If yes, then this is the place in the + # C sources that declare the fields. If no, then just return the + # existing type, possibly still incomplete. + if type.decls is None: + return tp + # + if tp.fldnames is not None: + raise CDefError("duplicate declaration of struct %s" % name) + fldnames = [] + fldtypes = [] + fldbitsize = [] + fldquals = [] + for decl in type.decls: + if (isinstance(decl.type, pycparser.c_ast.IdentifierType) and + ''.join(decl.type.names) == '__dotdotdot__'): + # XXX pycparser is inconsistent: 'names' should be a list + # of strings, but is sometimes just one string. Use + # str.join() as a way to cope with both. + self._make_partial(tp, nested) + continue + if decl.bitsize is None: + bitsize = -1 + else: + bitsize = self._parse_constant(decl.bitsize) + self._partial_length = False + type, fqual = self._get_type_and_quals(decl.type, + partial_length_ok=True) + if self._partial_length: + self._make_partial(tp, nested) + if isinstance(type, model.StructType) and type.partial: + self._make_partial(tp, nested) + fldnames.append(decl.name or '') + fldtypes.append(type) + fldbitsize.append(bitsize) + fldquals.append(fqual) + tp.fldnames = tuple(fldnames) + tp.fldtypes = tuple(fldtypes) + tp.fldbitsize = tuple(fldbitsize) + tp.fldquals = tuple(fldquals) + if fldbitsize != [-1] * len(fldbitsize): + if isinstance(tp, model.StructType) and tp.partial: + raise NotImplementedError("%s: using both bitfields and '...;'" + % (tp,)) + tp.packed = self._options.get('packed') + if tp.completed: # must be re-completed: it is not opaque any more + tp.completed = 0 + self._recomplete.append(tp) + return tp + + def _make_partial(self, tp, nested): + if not isinstance(tp, model.StructOrUnion): + raise CDefError("%s cannot be partial" % (tp,)) + if not tp.has_c_name() and not nested: + raise NotImplementedError("%s is partial but has no C name" %(tp,)) + tp.partial = True + + def _parse_constant(self, exprnode, partial_length_ok=False): + # for now, limited to expressions that are an immediate number + # or positive/negative number + if isinstance(exprnode, pycparser.c_ast.Constant): + s = exprnode.value + if '0' <= s[0] <= '9': + s = s.rstrip('uUlL') + try: + if s.startswith('0'): + return int(s, 8) + else: + return int(s, 10) + except ValueError: + if len(s) > 1: + if s.lower()[0:2] == '0x': + return int(s, 16) + elif s.lower()[0:2] == '0b': + return int(s, 2) + raise CDefError("invalid constant %r" % (s,)) + elif s[0] == "'" and s[-1] == "'" and ( + len(s) == 3 or (len(s) == 4 and s[1] == "\\")): + return ord(s[-2]) + else: + raise CDefError("invalid constant %r" % (s,)) + # + if (isinstance(exprnode, pycparser.c_ast.UnaryOp) and + exprnode.op == '+'): + return self._parse_constant(exprnode.expr) + # + if (isinstance(exprnode, pycparser.c_ast.UnaryOp) and + exprnode.op == '-'): + return -self._parse_constant(exprnode.expr) + # load previously defined int constant + if (isinstance(exprnode, pycparser.c_ast.ID) and + exprnode.name in self._int_constants): + return self._int_constants[exprnode.name] + # + if (isinstance(exprnode, pycparser.c_ast.ID) and + exprnode.name == '__dotdotdotarray__'): + if partial_length_ok: + self._partial_length = True + return '...' + raise FFIError(":%d: unsupported '[...]' here, cannot derive " + "the actual array length in this context" + % exprnode.coord.line) + # + if isinstance(exprnode, pycparser.c_ast.BinaryOp): + left = self._parse_constant(exprnode.left) + right = self._parse_constant(exprnode.right) + if exprnode.op == '+': + return left + right + elif exprnode.op == '-': + return left - right + elif exprnode.op == '*': + return left * right + elif exprnode.op == '/': + return self._c_div(left, right) + elif exprnode.op == '%': + return left - self._c_div(left, right) * right + elif exprnode.op == '<<': + return left << right + elif exprnode.op == '>>': + return left >> right + elif exprnode.op == '&': + return left & right + elif exprnode.op == '|': + return left | right + elif exprnode.op == '^': + return left ^ right + # + raise FFIError(":%d: unsupported expression: expected a " + "simple numeric constant" % exprnode.coord.line) + + def _c_div(self, a, b): + result = a // b + if ((a < 0) ^ (b < 0)) and (a % b) != 0: + result += 1 + return result + + def _build_enum_type(self, explicit_name, decls): + if decls is not None: + partial = False + enumerators = [] + enumvalues = [] + nextenumvalue = 0 + for enum in decls.enumerators: + if _r_enum_dotdotdot.match(enum.name): + partial = True + continue + if enum.value is not None: + nextenumvalue = self._parse_constant(enum.value) + enumerators.append(enum.name) + enumvalues.append(nextenumvalue) + self._add_constants(enum.name, nextenumvalue) + nextenumvalue += 1 + enumerators = tuple(enumerators) + enumvalues = tuple(enumvalues) + tp = model.EnumType(explicit_name, enumerators, enumvalues) + tp.partial = partial + else: # opaque enum + tp = model.EnumType(explicit_name, (), ()) + return tp + + def include(self, other): + for name, (tp, quals) in other._declarations.items(): + if name.startswith('anonymous $enum_$'): + continue # fix for test_anonymous_enum_include + kind = name.split(' ', 1)[0] + if kind in ('struct', 'union', 'enum', 'anonymous', 'typedef'): + self._declare(name, tp, included=True, quals=quals) + for k, v in other._int_constants.items(): + self._add_constants(k, v) + + def _get_unknown_type(self, decl): + typenames = decl.type.type.names + if typenames == ['__dotdotdot__']: + return model.unknown_type(decl.name) + + if typenames == ['__dotdotdotint__']: + if self._uses_new_feature is None: + self._uses_new_feature = "'typedef int... %s'" % decl.name + return model.UnknownIntegerType(decl.name) + + if typenames == ['__dotdotdotfloat__']: + # note: not for 'long double' so far + if self._uses_new_feature is None: + self._uses_new_feature = "'typedef float... %s'" % decl.name + return model.UnknownFloatType(decl.name) + + raise FFIError(':%d: unsupported usage of "..." in typedef' + % decl.coord.line) + + def _get_unknown_ptr_type(self, decl): + if decl.type.type.type.names == ['__dotdotdot__']: + return model.unknown_ptr_type(decl.name) + raise FFIError(':%d: unsupported usage of "..." in typedef' + % decl.coord.line) diff --git a/venv/lib/python3.12/site-packages/cffi/error.py b/venv/lib/python3.12/site-packages/cffi/error.py new file mode 100644 index 0000000..0a27247 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/error.py @@ -0,0 +1,31 @@ + +class FFIError(Exception): + __module__ = 'cffi' + +class CDefError(Exception): + __module__ = 'cffi' + def __str__(self): + try: + current_decl = self.args[1] + filename = current_decl.coord.file + linenum = current_decl.coord.line + prefix = '%s:%d: ' % (filename, linenum) + except (AttributeError, TypeError, IndexError): + prefix = '' + return '%s%s' % (prefix, self.args[0]) + +class VerificationError(Exception): + """ An error raised when verification fails + """ + __module__ = 'cffi' + +class VerificationMissing(Exception): + """ An error raised when incomplete structures are passed into + cdef, but no verification has been done + """ + __module__ = 'cffi' + +class PkgConfigError(Exception): + """ An error raised for missing modules in pkg-config + """ + __module__ = 'cffi' diff --git a/venv/lib/python3.12/site-packages/cffi/ffiplatform.py b/venv/lib/python3.12/site-packages/cffi/ffiplatform.py new file mode 100644 index 0000000..adca28f --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/ffiplatform.py @@ -0,0 +1,113 @@ +import sys, os +from .error import VerificationError + + +LIST_OF_FILE_NAMES = ['sources', 'include_dirs', 'library_dirs', + 'extra_objects', 'depends'] + +def get_extension(srcfilename, modname, sources=(), **kwds): + from cffi._shimmed_dist_utils import Extension + allsources = [srcfilename] + for src in sources: + allsources.append(os.path.normpath(src)) + return Extension(name=modname, sources=allsources, **kwds) + +def compile(tmpdir, ext, compiler_verbose=0, debug=None): + """Compile a C extension module using distutils.""" + + saved_environ = os.environ.copy() + try: + outputfilename = _build(tmpdir, ext, compiler_verbose, debug) + outputfilename = os.path.abspath(outputfilename) + finally: + # workaround for a distutils bugs where some env vars can + # become longer and longer every time it is used + for key, value in saved_environ.items(): + if os.environ.get(key) != value: + os.environ[key] = value + return outputfilename + +def _build(tmpdir, ext, compiler_verbose=0, debug=None): + # XXX compact but horrible :-( + from cffi._shimmed_dist_utils import Distribution, CompileError, LinkError, set_threshold, set_verbosity + + dist = Distribution({'ext_modules': [ext]}) + dist.parse_config_files() + options = dist.get_option_dict('build_ext') + if debug is None: + debug = sys.flags.debug + options['debug'] = ('ffiplatform', debug) + options['force'] = ('ffiplatform', True) + options['build_lib'] = ('ffiplatform', tmpdir) + options['build_temp'] = ('ffiplatform', tmpdir) + # + try: + old_level = set_threshold(0) or 0 + try: + set_verbosity(compiler_verbose) + dist.run_command('build_ext') + cmd_obj = dist.get_command_obj('build_ext') + [soname] = cmd_obj.get_outputs() + finally: + set_threshold(old_level) + except (CompileError, LinkError) as e: + raise VerificationError('%s: %s' % (e.__class__.__name__, e)) + # + return soname + +try: + from os.path import samefile +except ImportError: + def samefile(f1, f2): + return os.path.abspath(f1) == os.path.abspath(f2) + +def maybe_relative_path(path): + if not os.path.isabs(path): + return path # already relative + dir = path + names = [] + while True: + prevdir = dir + dir, name = os.path.split(prevdir) + if dir == prevdir or not dir: + return path # failed to make it relative + names.append(name) + try: + if samefile(dir, os.curdir): + names.reverse() + return os.path.join(*names) + except OSError: + pass + +# ____________________________________________________________ + +try: + int_or_long = (int, long) + import cStringIO +except NameError: + int_or_long = int # Python 3 + import io as cStringIO + +def _flatten(x, f): + if isinstance(x, str): + f.write('%ds%s' % (len(x), x)) + elif isinstance(x, dict): + keys = sorted(x.keys()) + f.write('%dd' % len(keys)) + for key in keys: + _flatten(key, f) + _flatten(x[key], f) + elif isinstance(x, (list, tuple)): + f.write('%dl' % len(x)) + for value in x: + _flatten(value, f) + elif isinstance(x, int_or_long): + f.write('%di' % (x,)) + else: + raise TypeError( + "the keywords to verify() contains unsupported object %r" % (x,)) + +def flatten(x): + f = cStringIO.StringIO() + _flatten(x, f) + return f.getvalue() diff --git a/venv/lib/python3.12/site-packages/cffi/lock.py b/venv/lib/python3.12/site-packages/cffi/lock.py new file mode 100644 index 0000000..db91b71 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/lock.py @@ -0,0 +1,30 @@ +import sys + +if sys.version_info < (3,): + try: + from thread import allocate_lock + except ImportError: + from dummy_thread import allocate_lock +else: + try: + from _thread import allocate_lock + except ImportError: + from _dummy_thread import allocate_lock + + +##import sys +##l1 = allocate_lock + +##class allocate_lock(object): +## def __init__(self): +## self._real = l1() +## def __enter__(self): +## for i in range(4, 0, -1): +## print sys._getframe(i).f_code +## print +## return self._real.__enter__() +## def __exit__(self, *args): +## return self._real.__exit__(*args) +## def acquire(self, f): +## assert f is False +## return self._real.acquire(f) diff --git a/venv/lib/python3.12/site-packages/cffi/model.py b/venv/lib/python3.12/site-packages/cffi/model.py new file mode 100644 index 0000000..e5f4cae --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/model.py @@ -0,0 +1,618 @@ +import types +import weakref + +from .lock import allocate_lock +from .error import CDefError, VerificationError, VerificationMissing + +# type qualifiers +Q_CONST = 0x01 +Q_RESTRICT = 0x02 +Q_VOLATILE = 0x04 + +def qualify(quals, replace_with): + if quals & Q_CONST: + replace_with = ' const ' + replace_with.lstrip() + if quals & Q_VOLATILE: + replace_with = ' volatile ' + replace_with.lstrip() + if quals & Q_RESTRICT: + # It seems that __restrict is supported by gcc and msvc. + # If you hit some different compiler, add a #define in + # _cffi_include.h for it (and in its copies, documented there) + replace_with = ' __restrict ' + replace_with.lstrip() + return replace_with + + +class BaseTypeByIdentity(object): + is_array_type = False + is_raw_function = False + + def get_c_name(self, replace_with='', context='a C file', quals=0): + result = self.c_name_with_marker + assert result.count('&') == 1 + # some logic duplication with ffi.getctype()... :-( + replace_with = replace_with.strip() + if replace_with: + if replace_with.startswith('*') and '&[' in result: + replace_with = '(%s)' % replace_with + elif not replace_with[0] in '[(': + replace_with = ' ' + replace_with + replace_with = qualify(quals, replace_with) + result = result.replace('&', replace_with) + if '$' in result: + raise VerificationError( + "cannot generate '%s' in %s: unknown type name" + % (self._get_c_name(), context)) + return result + + def _get_c_name(self): + return self.c_name_with_marker.replace('&', '') + + def has_c_name(self): + return '$' not in self._get_c_name() + + def is_integer_type(self): + return False + + def get_cached_btype(self, ffi, finishlist, can_delay=False): + try: + BType = ffi._cached_btypes[self] + except KeyError: + BType = self.build_backend_type(ffi, finishlist) + BType2 = ffi._cached_btypes.setdefault(self, BType) + assert BType2 is BType + return BType + + def __repr__(self): + return '<%s>' % (self._get_c_name(),) + + def _get_items(self): + return [(name, getattr(self, name)) for name in self._attrs_] + + +class BaseType(BaseTypeByIdentity): + + def __eq__(self, other): + return (self.__class__ == other.__class__ and + self._get_items() == other._get_items()) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.__class__, tuple(self._get_items()))) + + +class VoidType(BaseType): + _attrs_ = () + + def __init__(self): + self.c_name_with_marker = 'void&' + + def build_backend_type(self, ffi, finishlist): + return global_cache(self, ffi, 'new_void_type') + +void_type = VoidType() + + +class BasePrimitiveType(BaseType): + def is_complex_type(self): + return False + + +class PrimitiveType(BasePrimitiveType): + _attrs_ = ('name',) + + ALL_PRIMITIVE_TYPES = { + 'char': 'c', + 'short': 'i', + 'int': 'i', + 'long': 'i', + 'long long': 'i', + 'signed char': 'i', + 'unsigned char': 'i', + 'unsigned short': 'i', + 'unsigned int': 'i', + 'unsigned long': 'i', + 'unsigned long long': 'i', + 'float': 'f', + 'double': 'f', + 'long double': 'f', + '_cffi_float_complex_t': 'j', + '_cffi_double_complex_t': 'j', + '_Bool': 'i', + # the following types are not primitive in the C sense + 'wchar_t': 'c', + 'char16_t': 'c', + 'char32_t': 'c', + 'int8_t': 'i', + 'uint8_t': 'i', + 'int16_t': 'i', + 'uint16_t': 'i', + 'int32_t': 'i', + 'uint32_t': 'i', + 'int64_t': 'i', + 'uint64_t': 'i', + 'int_least8_t': 'i', + 'uint_least8_t': 'i', + 'int_least16_t': 'i', + 'uint_least16_t': 'i', + 'int_least32_t': 'i', + 'uint_least32_t': 'i', + 'int_least64_t': 'i', + 'uint_least64_t': 'i', + 'int_fast8_t': 'i', + 'uint_fast8_t': 'i', + 'int_fast16_t': 'i', + 'uint_fast16_t': 'i', + 'int_fast32_t': 'i', + 'uint_fast32_t': 'i', + 'int_fast64_t': 'i', + 'uint_fast64_t': 'i', + 'intptr_t': 'i', + 'uintptr_t': 'i', + 'intmax_t': 'i', + 'uintmax_t': 'i', + 'ptrdiff_t': 'i', + 'size_t': 'i', + 'ssize_t': 'i', + } + + def __init__(self, name): + assert name in self.ALL_PRIMITIVE_TYPES + self.name = name + self.c_name_with_marker = name + '&' + + def is_char_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'c' + def is_integer_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'i' + def is_float_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'f' + def is_complex_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'j' + + def build_backend_type(self, ffi, finishlist): + return global_cache(self, ffi, 'new_primitive_type', self.name) + + +class UnknownIntegerType(BasePrimitiveType): + _attrs_ = ('name',) + + def __init__(self, name): + self.name = name + self.c_name_with_marker = name + '&' + + def is_integer_type(self): + return True + + def build_backend_type(self, ffi, finishlist): + raise NotImplementedError("integer type '%s' can only be used after " + "compilation" % self.name) + +class UnknownFloatType(BasePrimitiveType): + _attrs_ = ('name', ) + + def __init__(self, name): + self.name = name + self.c_name_with_marker = name + '&' + + def build_backend_type(self, ffi, finishlist): + raise NotImplementedError("float type '%s' can only be used after " + "compilation" % self.name) + + +class BaseFunctionType(BaseType): + _attrs_ = ('args', 'result', 'ellipsis', 'abi') + + def __init__(self, args, result, ellipsis, abi=None): + self.args = args + self.result = result + self.ellipsis = ellipsis + self.abi = abi + # + reprargs = [arg._get_c_name() for arg in self.args] + if self.ellipsis: + reprargs.append('...') + reprargs = reprargs or ['void'] + replace_with = self._base_pattern % (', '.join(reprargs),) + if abi is not None: + replace_with = replace_with[:1] + abi + ' ' + replace_with[1:] + self.c_name_with_marker = ( + self.result.c_name_with_marker.replace('&', replace_with)) + + +class RawFunctionType(BaseFunctionType): + # Corresponds to a C type like 'int(int)', which is the C type of + # a function, but not a pointer-to-function. The backend has no + # notion of such a type; it's used temporarily by parsing. + _base_pattern = '(&)(%s)' + is_raw_function = True + + def build_backend_type(self, ffi, finishlist): + raise CDefError("cannot render the type %r: it is a function " + "type, not a pointer-to-function type" % (self,)) + + def as_function_pointer(self): + return FunctionPtrType(self.args, self.result, self.ellipsis, self.abi) + + +class FunctionPtrType(BaseFunctionType): + _base_pattern = '(*&)(%s)' + + def build_backend_type(self, ffi, finishlist): + result = self.result.get_cached_btype(ffi, finishlist) + args = [] + for tp in self.args: + args.append(tp.get_cached_btype(ffi, finishlist)) + abi_args = () + if self.abi == "__stdcall": + if not self.ellipsis: # __stdcall ignored for variadic funcs + try: + abi_args = (ffi._backend.FFI_STDCALL,) + except AttributeError: + pass + return global_cache(self, ffi, 'new_function_type', + tuple(args), result, self.ellipsis, *abi_args) + + def as_raw_function(self): + return RawFunctionType(self.args, self.result, self.ellipsis, self.abi) + + +class PointerType(BaseType): + _attrs_ = ('totype', 'quals') + + def __init__(self, totype, quals=0): + self.totype = totype + self.quals = quals + extra = " *&" + if totype.is_array_type: + extra = "(%s)" % (extra.lstrip(),) + extra = qualify(quals, extra) + self.c_name_with_marker = totype.c_name_with_marker.replace('&', extra) + + def build_backend_type(self, ffi, finishlist): + BItem = self.totype.get_cached_btype(ffi, finishlist, can_delay=True) + return global_cache(self, ffi, 'new_pointer_type', BItem) + +voidp_type = PointerType(void_type) + +def ConstPointerType(totype): + return PointerType(totype, Q_CONST) + +const_voidp_type = ConstPointerType(void_type) + + +class NamedPointerType(PointerType): + _attrs_ = ('totype', 'name') + + def __init__(self, totype, name, quals=0): + PointerType.__init__(self, totype, quals) + self.name = name + self.c_name_with_marker = name + '&' + + +class ArrayType(BaseType): + _attrs_ = ('item', 'length') + is_array_type = True + + def __init__(self, item, length): + self.item = item + self.length = length + # + if length is None: + brackets = '&[]' + elif length == '...': + brackets = '&[/*...*/]' + else: + brackets = '&[%s]' % length + self.c_name_with_marker = ( + self.item.c_name_with_marker.replace('&', brackets)) + + def length_is_unknown(self): + return isinstance(self.length, str) + + def resolve_length(self, newlength): + return ArrayType(self.item, newlength) + + def build_backend_type(self, ffi, finishlist): + if self.length_is_unknown(): + raise CDefError("cannot render the type %r: unknown length" % + (self,)) + self.item.get_cached_btype(ffi, finishlist) # force the item BType + BPtrItem = PointerType(self.item).get_cached_btype(ffi, finishlist) + return global_cache(self, ffi, 'new_array_type', BPtrItem, self.length) + +char_array_type = ArrayType(PrimitiveType('char'), None) + + +class StructOrUnionOrEnum(BaseTypeByIdentity): + _attrs_ = ('name',) + forcename = None + + def build_c_name_with_marker(self): + name = self.forcename or '%s %s' % (self.kind, self.name) + self.c_name_with_marker = name + '&' + + def force_the_name(self, forcename): + self.forcename = forcename + self.build_c_name_with_marker() + + def get_official_name(self): + assert self.c_name_with_marker.endswith('&') + return self.c_name_with_marker[:-1] + + +class StructOrUnion(StructOrUnionOrEnum): + fixedlayout = None + completed = 0 + partial = False + packed = 0 + + def __init__(self, name, fldnames, fldtypes, fldbitsize, fldquals=None): + self.name = name + self.fldnames = fldnames + self.fldtypes = fldtypes + self.fldbitsize = fldbitsize + self.fldquals = fldquals + self.build_c_name_with_marker() + + def anonymous_struct_fields(self): + if self.fldtypes is not None: + for name, type in zip(self.fldnames, self.fldtypes): + if name == '' and isinstance(type, StructOrUnion): + yield type + + def enumfields(self, expand_anonymous_struct_union=True): + fldquals = self.fldquals + if fldquals is None: + fldquals = (0,) * len(self.fldnames) + for name, type, bitsize, quals in zip(self.fldnames, self.fldtypes, + self.fldbitsize, fldquals): + if (name == '' and isinstance(type, StructOrUnion) + and expand_anonymous_struct_union): + # nested anonymous struct/union + for result in type.enumfields(): + yield result + else: + yield (name, type, bitsize, quals) + + def force_flatten(self): + # force the struct or union to have a declaration that lists + # directly all fields returned by enumfields(), flattening + # nested anonymous structs/unions. + names = [] + types = [] + bitsizes = [] + fldquals = [] + for name, type, bitsize, quals in self.enumfields(): + names.append(name) + types.append(type) + bitsizes.append(bitsize) + fldquals.append(quals) + self.fldnames = tuple(names) + self.fldtypes = tuple(types) + self.fldbitsize = tuple(bitsizes) + self.fldquals = tuple(fldquals) + + def get_cached_btype(self, ffi, finishlist, can_delay=False): + BType = StructOrUnionOrEnum.get_cached_btype(self, ffi, finishlist, + can_delay) + if not can_delay: + self.finish_backend_type(ffi, finishlist) + return BType + + def finish_backend_type(self, ffi, finishlist): + if self.completed: + if self.completed != 2: + raise NotImplementedError("recursive structure declaration " + "for '%s'" % (self.name,)) + return + BType = ffi._cached_btypes[self] + # + self.completed = 1 + # + if self.fldtypes is None: + pass # not completing it: it's an opaque struct + # + elif self.fixedlayout is None: + fldtypes = [tp.get_cached_btype(ffi, finishlist) + for tp in self.fldtypes] + lst = list(zip(self.fldnames, fldtypes, self.fldbitsize)) + extra_flags = () + if self.packed: + if self.packed == 1: + extra_flags = (8,) # SF_PACKED + else: + extra_flags = (0, self.packed) + ffi._backend.complete_struct_or_union(BType, lst, self, + -1, -1, *extra_flags) + # + else: + fldtypes = [] + fieldofs, fieldsize, totalsize, totalalignment = self.fixedlayout + for i in range(len(self.fldnames)): + fsize = fieldsize[i] + ftype = self.fldtypes[i] + # + if isinstance(ftype, ArrayType) and ftype.length_is_unknown(): + # fix the length to match the total size + BItemType = ftype.item.get_cached_btype(ffi, finishlist) + nlen, nrest = divmod(fsize, ffi.sizeof(BItemType)) + if nrest != 0: + self._verification_error( + "field '%s.%s' has a bogus size?" % ( + self.name, self.fldnames[i] or '{}')) + ftype = ftype.resolve_length(nlen) + self.fldtypes = (self.fldtypes[:i] + (ftype,) + + self.fldtypes[i+1:]) + # + BFieldType = ftype.get_cached_btype(ffi, finishlist) + if isinstance(ftype, ArrayType) and ftype.length is None: + assert fsize == 0 + else: + bitemsize = ffi.sizeof(BFieldType) + if bitemsize != fsize: + self._verification_error( + "field '%s.%s' is declared as %d bytes, but is " + "really %d bytes" % (self.name, + self.fldnames[i] or '{}', + bitemsize, fsize)) + fldtypes.append(BFieldType) + # + lst = list(zip(self.fldnames, fldtypes, self.fldbitsize, fieldofs)) + ffi._backend.complete_struct_or_union(BType, lst, self, + totalsize, totalalignment) + self.completed = 2 + + def _verification_error(self, msg): + raise VerificationError(msg) + + def check_not_partial(self): + if self.partial and self.fixedlayout is None: + raise VerificationMissing(self._get_c_name()) + + def build_backend_type(self, ffi, finishlist): + self.check_not_partial() + finishlist.append(self) + # + return global_cache(self, ffi, 'new_%s_type' % self.kind, + self.get_official_name(), key=self) + + +class StructType(StructOrUnion): + kind = 'struct' + + +class UnionType(StructOrUnion): + kind = 'union' + + +class EnumType(StructOrUnionOrEnum): + kind = 'enum' + partial = False + partial_resolved = False + + def __init__(self, name, enumerators, enumvalues, baseinttype=None): + self.name = name + self.enumerators = enumerators + self.enumvalues = enumvalues + self.baseinttype = baseinttype + self.build_c_name_with_marker() + + def force_the_name(self, forcename): + StructOrUnionOrEnum.force_the_name(self, forcename) + if self.forcename is None: + name = self.get_official_name() + self.forcename = '$' + name.replace(' ', '_') + + def check_not_partial(self): + if self.partial and not self.partial_resolved: + raise VerificationMissing(self._get_c_name()) + + def build_backend_type(self, ffi, finishlist): + self.check_not_partial() + base_btype = self.build_baseinttype(ffi, finishlist) + return global_cache(self, ffi, 'new_enum_type', + self.get_official_name(), + self.enumerators, self.enumvalues, + base_btype, key=self) + + def build_baseinttype(self, ffi, finishlist): + if self.baseinttype is not None: + return self.baseinttype.get_cached_btype(ffi, finishlist) + # + if self.enumvalues: + smallest_value = min(self.enumvalues) + largest_value = max(self.enumvalues) + else: + import warnings + try: + # XXX! The goal is to ensure that the warnings.warn() + # will not suppress the warning. We want to get it + # several times if we reach this point several times. + __warningregistry__.clear() + except NameError: + pass + warnings.warn("%r has no values explicitly defined; " + "guessing that it is equivalent to 'unsigned int'" + % self._get_c_name()) + smallest_value = largest_value = 0 + if smallest_value < 0: # needs a signed type + sign = 1 + candidate1 = PrimitiveType("int") + candidate2 = PrimitiveType("long") + else: + sign = 0 + candidate1 = PrimitiveType("unsigned int") + candidate2 = PrimitiveType("unsigned long") + btype1 = candidate1.get_cached_btype(ffi, finishlist) + btype2 = candidate2.get_cached_btype(ffi, finishlist) + size1 = ffi.sizeof(btype1) + size2 = ffi.sizeof(btype2) + if (smallest_value >= ((-1) << (8*size1-1)) and + largest_value < (1 << (8*size1-sign))): + return btype1 + if (smallest_value >= ((-1) << (8*size2-1)) and + largest_value < (1 << (8*size2-sign))): + return btype2 + raise CDefError("%s values don't all fit into either 'long' " + "or 'unsigned long'" % self._get_c_name()) + +def unknown_type(name, structname=None): + if structname is None: + structname = '$%s' % name + tp = StructType(structname, None, None, None) + tp.force_the_name(name) + tp.origin = "unknown_type" + return tp + +def unknown_ptr_type(name, structname=None): + if structname is None: + structname = '$$%s' % name + tp = StructType(structname, None, None, None) + return NamedPointerType(tp, name) + + +global_lock = allocate_lock() +_typecache_cffi_backend = weakref.WeakValueDictionary() + +def get_typecache(backend): + # returns _typecache_cffi_backend if backend is the _cffi_backend + # module, or type(backend).__typecache if backend is an instance of + # CTypesBackend (or some FakeBackend class during tests) + if isinstance(backend, types.ModuleType): + return _typecache_cffi_backend + with global_lock: + if not hasattr(type(backend), '__typecache'): + type(backend).__typecache = weakref.WeakValueDictionary() + return type(backend).__typecache + +def global_cache(srctype, ffi, funcname, *args, **kwds): + key = kwds.pop('key', (funcname, args)) + assert not kwds + try: + return ffi._typecache[key] + except KeyError: + pass + try: + res = getattr(ffi._backend, funcname)(*args) + except NotImplementedError as e: + raise NotImplementedError("%s: %r: %s" % (funcname, srctype, e)) + # note that setdefault() on WeakValueDictionary is not atomic + # and contains a rare bug (http://bugs.python.org/issue19542); + # we have to use a lock and do it ourselves + cache = ffi._typecache + with global_lock: + res1 = cache.get(key) + if res1 is None: + cache[key] = res + return res + else: + return res1 + +def pointer_cache(ffi, BType): + return global_cache('?', ffi, 'new_pointer_type', BType) + +def attach_exception_info(e, name): + if e.args and type(e.args[0]) is str: + e.args = ('%s: %s' % (name, e.args[0]),) + e.args[1:] diff --git a/venv/lib/python3.12/site-packages/cffi/parse_c_type.h b/venv/lib/python3.12/site-packages/cffi/parse_c_type.h new file mode 100644 index 0000000..84e4ef8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/parse_c_type.h @@ -0,0 +1,181 @@ + +/* This part is from file 'cffi/parse_c_type.h'. It is copied at the + beginning of C sources generated by CFFI's ffi.set_source(). */ + +typedef void *_cffi_opcode_t; + +#define _CFFI_OP(opcode, arg) (_cffi_opcode_t)(opcode | (((uintptr_t)(arg)) << 8)) +#define _CFFI_GETOP(cffi_opcode) ((unsigned char)(uintptr_t)cffi_opcode) +#define _CFFI_GETARG(cffi_opcode) (((intptr_t)cffi_opcode) >> 8) + +#define _CFFI_OP_PRIMITIVE 1 +#define _CFFI_OP_POINTER 3 +#define _CFFI_OP_ARRAY 5 +#define _CFFI_OP_OPEN_ARRAY 7 +#define _CFFI_OP_STRUCT_UNION 9 +#define _CFFI_OP_ENUM 11 +#define _CFFI_OP_FUNCTION 13 +#define _CFFI_OP_FUNCTION_END 15 +#define _CFFI_OP_NOOP 17 +#define _CFFI_OP_BITFIELD 19 +#define _CFFI_OP_TYPENAME 21 +#define _CFFI_OP_CPYTHON_BLTN_V 23 // varargs +#define _CFFI_OP_CPYTHON_BLTN_N 25 // noargs +#define _CFFI_OP_CPYTHON_BLTN_O 27 // O (i.e. a single arg) +#define _CFFI_OP_CONSTANT 29 +#define _CFFI_OP_CONSTANT_INT 31 +#define _CFFI_OP_GLOBAL_VAR 33 +#define _CFFI_OP_DLOPEN_FUNC 35 +#define _CFFI_OP_DLOPEN_CONST 37 +#define _CFFI_OP_GLOBAL_VAR_F 39 +#define _CFFI_OP_EXTERN_PYTHON 41 + +#define _CFFI_PRIM_VOID 0 +#define _CFFI_PRIM_BOOL 1 +#define _CFFI_PRIM_CHAR 2 +#define _CFFI_PRIM_SCHAR 3 +#define _CFFI_PRIM_UCHAR 4 +#define _CFFI_PRIM_SHORT 5 +#define _CFFI_PRIM_USHORT 6 +#define _CFFI_PRIM_INT 7 +#define _CFFI_PRIM_UINT 8 +#define _CFFI_PRIM_LONG 9 +#define _CFFI_PRIM_ULONG 10 +#define _CFFI_PRIM_LONGLONG 11 +#define _CFFI_PRIM_ULONGLONG 12 +#define _CFFI_PRIM_FLOAT 13 +#define _CFFI_PRIM_DOUBLE 14 +#define _CFFI_PRIM_LONGDOUBLE 15 + +#define _CFFI_PRIM_WCHAR 16 +#define _CFFI_PRIM_INT8 17 +#define _CFFI_PRIM_UINT8 18 +#define _CFFI_PRIM_INT16 19 +#define _CFFI_PRIM_UINT16 20 +#define _CFFI_PRIM_INT32 21 +#define _CFFI_PRIM_UINT32 22 +#define _CFFI_PRIM_INT64 23 +#define _CFFI_PRIM_UINT64 24 +#define _CFFI_PRIM_INTPTR 25 +#define _CFFI_PRIM_UINTPTR 26 +#define _CFFI_PRIM_PTRDIFF 27 +#define _CFFI_PRIM_SIZE 28 +#define _CFFI_PRIM_SSIZE 29 +#define _CFFI_PRIM_INT_LEAST8 30 +#define _CFFI_PRIM_UINT_LEAST8 31 +#define _CFFI_PRIM_INT_LEAST16 32 +#define _CFFI_PRIM_UINT_LEAST16 33 +#define _CFFI_PRIM_INT_LEAST32 34 +#define _CFFI_PRIM_UINT_LEAST32 35 +#define _CFFI_PRIM_INT_LEAST64 36 +#define _CFFI_PRIM_UINT_LEAST64 37 +#define _CFFI_PRIM_INT_FAST8 38 +#define _CFFI_PRIM_UINT_FAST8 39 +#define _CFFI_PRIM_INT_FAST16 40 +#define _CFFI_PRIM_UINT_FAST16 41 +#define _CFFI_PRIM_INT_FAST32 42 +#define _CFFI_PRIM_UINT_FAST32 43 +#define _CFFI_PRIM_INT_FAST64 44 +#define _CFFI_PRIM_UINT_FAST64 45 +#define _CFFI_PRIM_INTMAX 46 +#define _CFFI_PRIM_UINTMAX 47 +#define _CFFI_PRIM_FLOATCOMPLEX 48 +#define _CFFI_PRIM_DOUBLECOMPLEX 49 +#define _CFFI_PRIM_CHAR16 50 +#define _CFFI_PRIM_CHAR32 51 + +#define _CFFI__NUM_PRIM 52 +#define _CFFI__UNKNOWN_PRIM (-1) +#define _CFFI__UNKNOWN_FLOAT_PRIM (-2) +#define _CFFI__UNKNOWN_LONG_DOUBLE (-3) + +#define _CFFI__IO_FILE_STRUCT (-1) + + +struct _cffi_global_s { + const char *name; + void *address; + _cffi_opcode_t type_op; + void *size_or_direct_fn; // OP_GLOBAL_VAR: size, or 0 if unknown + // OP_CPYTHON_BLTN_*: addr of direct function +}; + +struct _cffi_getconst_s { + unsigned long long value; + const struct _cffi_type_context_s *ctx; + int gindex; +}; + +struct _cffi_struct_union_s { + const char *name; + int type_index; // -> _cffi_types, on a OP_STRUCT_UNION + int flags; // _CFFI_F_* flags below + size_t size; + int alignment; + int first_field_index; // -> _cffi_fields array + int num_fields; +}; +#define _CFFI_F_UNION 0x01 // is a union, not a struct +#define _CFFI_F_CHECK_FIELDS 0x02 // complain if fields are not in the + // "standard layout" or if some are missing +#define _CFFI_F_PACKED 0x04 // for CHECK_FIELDS, assume a packed struct +#define _CFFI_F_EXTERNAL 0x08 // in some other ffi.include() +#define _CFFI_F_OPAQUE 0x10 // opaque + +struct _cffi_field_s { + const char *name; + size_t field_offset; + size_t field_size; + _cffi_opcode_t field_type_op; +}; + +struct _cffi_enum_s { + const char *name; + int type_index; // -> _cffi_types, on a OP_ENUM + int type_prim; // _CFFI_PRIM_xxx + const char *enumerators; // comma-delimited string +}; + +struct _cffi_typename_s { + const char *name; + int type_index; /* if opaque, points to a possibly artificial + OP_STRUCT which is itself opaque */ +}; + +struct _cffi_type_context_s { + _cffi_opcode_t *types; + const struct _cffi_global_s *globals; + const struct _cffi_field_s *fields; + const struct _cffi_struct_union_s *struct_unions; + const struct _cffi_enum_s *enums; + const struct _cffi_typename_s *typenames; + int num_globals; + int num_struct_unions; + int num_enums; + int num_typenames; + const char *const *includes; + int num_types; + int flags; /* future extension */ +}; + +struct _cffi_parse_info_s { + const struct _cffi_type_context_s *ctx; + _cffi_opcode_t *output; + unsigned int output_size; + size_t error_location; + const char *error_message; +}; + +struct _cffi_externpy_s { + const char *name; + size_t size_of_result; + void *reserved1, *reserved2; +}; + +#ifdef _CFFI_INTERNAL +static int parse_c_type(struct _cffi_parse_info_s *info, const char *input); +static int search_in_globals(const struct _cffi_type_context_s *ctx, + const char *search, size_t search_len); +static int search_in_struct_unions(const struct _cffi_type_context_s *ctx, + const char *search, size_t search_len); +#endif diff --git a/venv/lib/python3.12/site-packages/cffi/pkgconfig.py b/venv/lib/python3.12/site-packages/cffi/pkgconfig.py new file mode 100644 index 0000000..5c93f15 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/pkgconfig.py @@ -0,0 +1,121 @@ +# pkg-config, https://www.freedesktop.org/wiki/Software/pkg-config/ integration for cffi +import sys, os, subprocess + +from .error import PkgConfigError + + +def merge_flags(cfg1, cfg2): + """Merge values from cffi config flags cfg2 to cf1 + + Example: + merge_flags({"libraries": ["one"]}, {"libraries": ["two"]}) + {"libraries": ["one", "two"]} + """ + for key, value in cfg2.items(): + if key not in cfg1: + cfg1[key] = value + else: + if not isinstance(cfg1[key], list): + raise TypeError("cfg1[%r] should be a list of strings" % (key,)) + if not isinstance(value, list): + raise TypeError("cfg2[%r] should be a list of strings" % (key,)) + cfg1[key].extend(value) + return cfg1 + + +def call(libname, flag, encoding=sys.getfilesystemencoding()): + """Calls pkg-config and returns the output if found + """ + a = ["pkg-config", "--print-errors"] + a.append(flag) + a.append(libname) + try: + pc = subprocess.Popen(a, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + except EnvironmentError as e: + raise PkgConfigError("cannot run pkg-config: %s" % (str(e).strip(),)) + + bout, berr = pc.communicate() + if pc.returncode != 0: + try: + berr = berr.decode(encoding) + except Exception: + pass + raise PkgConfigError(berr.strip()) + + if sys.version_info >= (3,) and not isinstance(bout, str): # Python 3.x + try: + bout = bout.decode(encoding) + except UnicodeDecodeError: + raise PkgConfigError("pkg-config %s %s returned bytes that cannot " + "be decoded with encoding %r:\n%r" % + (flag, libname, encoding, bout)) + + if os.altsep != '\\' and '\\' in bout: + raise PkgConfigError("pkg-config %s %s returned an unsupported " + "backslash-escaped output:\n%r" % + (flag, libname, bout)) + return bout + + +def flags_from_pkgconfig(libs): + r"""Return compiler line flags for FFI.set_source based on pkg-config output + + Usage + ... + ffibuilder.set_source("_foo", pkgconfig = ["libfoo", "libbar >= 1.8.3"]) + + If pkg-config is installed on build machine, then arguments include_dirs, + library_dirs, libraries, define_macros, extra_compile_args and + extra_link_args are extended with an output of pkg-config for libfoo and + libbar. + + Raises PkgConfigError in case the pkg-config call fails. + """ + + def get_include_dirs(string): + return [x[2:] for x in string.split() if x.startswith("-I")] + + def get_library_dirs(string): + return [x[2:] for x in string.split() if x.startswith("-L")] + + def get_libraries(string): + return [x[2:] for x in string.split() if x.startswith("-l")] + + # convert -Dfoo=bar to list of tuples [("foo", "bar")] expected by distutils + def get_macros(string): + def _macro(x): + x = x[2:] # drop "-D" + if '=' in x: + return tuple(x.split("=", 1)) # "-Dfoo=bar" => ("foo", "bar") + else: + return (x, None) # "-Dfoo" => ("foo", None) + return [_macro(x) for x in string.split() if x.startswith("-D")] + + def get_other_cflags(string): + return [x for x in string.split() if not x.startswith("-I") and + not x.startswith("-D")] + + def get_other_libs(string): + return [x for x in string.split() if not x.startswith("-L") and + not x.startswith("-l")] + + # return kwargs for given libname + def kwargs(libname): + fse = sys.getfilesystemencoding() + all_cflags = call(libname, "--cflags") + all_libs = call(libname, "--libs") + return { + "include_dirs": get_include_dirs(all_cflags), + "library_dirs": get_library_dirs(all_libs), + "libraries": get_libraries(all_libs), + "define_macros": get_macros(all_cflags), + "extra_compile_args": get_other_cflags(all_cflags), + "extra_link_args": get_other_libs(all_libs), + } + + # merge all arguments together + ret = {} + for libname in libs: + lib_flags = kwargs(libname) + merge_flags(ret, lib_flags) + return ret diff --git a/venv/lib/python3.12/site-packages/cffi/recompiler.py b/venv/lib/python3.12/site-packages/cffi/recompiler.py new file mode 100644 index 0000000..57781a3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/recompiler.py @@ -0,0 +1,1598 @@ +import os, sys, io +from . import ffiplatform, model +from .error import VerificationError +from .cffi_opcode import * + +VERSION_BASE = 0x2601 +VERSION_EMBEDDED = 0x2701 +VERSION_CHAR16CHAR32 = 0x2801 + +USE_LIMITED_API = (sys.platform != 'win32' or sys.version_info < (3, 0) or + sys.version_info >= (3, 5)) + + +class GlobalExpr: + def __init__(self, name, address, type_op, size=0, check_value=0): + self.name = name + self.address = address + self.type_op = type_op + self.size = size + self.check_value = check_value + + def as_c_expr(self): + return ' { "%s", (void *)%s, %s, (void *)%s },' % ( + self.name, self.address, self.type_op.as_c_expr(), self.size) + + def as_python_expr(self): + return "b'%s%s',%d" % (self.type_op.as_python_bytes(), self.name, + self.check_value) + +class FieldExpr: + def __init__(self, name, field_offset, field_size, fbitsize, field_type_op): + self.name = name + self.field_offset = field_offset + self.field_size = field_size + self.fbitsize = fbitsize + self.field_type_op = field_type_op + + def as_c_expr(self): + spaces = " " * len(self.name) + return (' { "%s", %s,\n' % (self.name, self.field_offset) + + ' %s %s,\n' % (spaces, self.field_size) + + ' %s %s },' % (spaces, self.field_type_op.as_c_expr())) + + def as_python_expr(self): + raise NotImplementedError + + def as_field_python_expr(self): + if self.field_type_op.op == OP_NOOP: + size_expr = '' + elif self.field_type_op.op == OP_BITFIELD: + size_expr = format_four_bytes(self.fbitsize) + else: + raise NotImplementedError + return "b'%s%s%s'" % (self.field_type_op.as_python_bytes(), + size_expr, + self.name) + +class StructUnionExpr: + def __init__(self, name, type_index, flags, size, alignment, comment, + first_field_index, c_fields): + self.name = name + self.type_index = type_index + self.flags = flags + self.size = size + self.alignment = alignment + self.comment = comment + self.first_field_index = first_field_index + self.c_fields = c_fields + + def as_c_expr(self): + return (' { "%s", %d, %s,' % (self.name, self.type_index, self.flags) + + '\n %s, %s, ' % (self.size, self.alignment) + + '%d, %d ' % (self.first_field_index, len(self.c_fields)) + + ('/* %s */ ' % self.comment if self.comment else '') + + '},') + + def as_python_expr(self): + flags = eval(self.flags, G_FLAGS) + fields_expr = [c_field.as_field_python_expr() + for c_field in self.c_fields] + return "(b'%s%s%s',%s)" % ( + format_four_bytes(self.type_index), + format_four_bytes(flags), + self.name, + ','.join(fields_expr)) + +class EnumExpr: + def __init__(self, name, type_index, size, signed, allenums): + self.name = name + self.type_index = type_index + self.size = size + self.signed = signed + self.allenums = allenums + + def as_c_expr(self): + return (' { "%s", %d, _cffi_prim_int(%s, %s),\n' + ' "%s" },' % (self.name, self.type_index, + self.size, self.signed, self.allenums)) + + def as_python_expr(self): + prim_index = { + (1, 0): PRIM_UINT8, (1, 1): PRIM_INT8, + (2, 0): PRIM_UINT16, (2, 1): PRIM_INT16, + (4, 0): PRIM_UINT32, (4, 1): PRIM_INT32, + (8, 0): PRIM_UINT64, (8, 1): PRIM_INT64, + }[self.size, self.signed] + return "b'%s%s%s\\x00%s'" % (format_four_bytes(self.type_index), + format_four_bytes(prim_index), + self.name, self.allenums) + +class TypenameExpr: + def __init__(self, name, type_index): + self.name = name + self.type_index = type_index + + def as_c_expr(self): + return ' { "%s", %d },' % (self.name, self.type_index) + + def as_python_expr(self): + return "b'%s%s'" % (format_four_bytes(self.type_index), self.name) + + +# ____________________________________________________________ + + +class Recompiler: + _num_externpy = 0 + + def __init__(self, ffi, module_name, target_is_python=False): + self.ffi = ffi + self.module_name = module_name + self.target_is_python = target_is_python + self._version = VERSION_BASE + + def needs_version(self, ver): + self._version = max(self._version, ver) + + def collect_type_table(self): + self._typesdict = {} + self._generate("collecttype") + # + all_decls = sorted(self._typesdict, key=str) + # + # prepare all FUNCTION bytecode sequences first + self.cffi_types = [] + for tp in all_decls: + if tp.is_raw_function: + assert self._typesdict[tp] is None + self._typesdict[tp] = len(self.cffi_types) + self.cffi_types.append(tp) # placeholder + for tp1 in tp.args: + assert isinstance(tp1, (model.VoidType, + model.BasePrimitiveType, + model.PointerType, + model.StructOrUnionOrEnum, + model.FunctionPtrType)) + if self._typesdict[tp1] is None: + self._typesdict[tp1] = len(self.cffi_types) + self.cffi_types.append(tp1) # placeholder + self.cffi_types.append('END') # placeholder + # + # prepare all OTHER bytecode sequences + for tp in all_decls: + if not tp.is_raw_function and self._typesdict[tp] is None: + self._typesdict[tp] = len(self.cffi_types) + self.cffi_types.append(tp) # placeholder + if tp.is_array_type and tp.length is not None: + self.cffi_types.append('LEN') # placeholder + assert None not in self._typesdict.values() + # + # collect all structs and unions and enums + self._struct_unions = {} + self._enums = {} + for tp in all_decls: + if isinstance(tp, model.StructOrUnion): + self._struct_unions[tp] = None + elif isinstance(tp, model.EnumType): + self._enums[tp] = None + for i, tp in enumerate(sorted(self._struct_unions, + key=lambda tp: tp.name)): + self._struct_unions[tp] = i + for i, tp in enumerate(sorted(self._enums, + key=lambda tp: tp.name)): + self._enums[tp] = i + # + # emit all bytecode sequences now + for tp in all_decls: + method = getattr(self, '_emit_bytecode_' + tp.__class__.__name__) + method(tp, self._typesdict[tp]) + # + # consistency check + for op in self.cffi_types: + assert isinstance(op, CffiOp) + self.cffi_types = tuple(self.cffi_types) # don't change any more + + def _enum_fields(self, tp): + # When producing C, expand all anonymous struct/union fields. + # That's necessary to have C code checking the offsets of the + # individual fields contained in them. When producing Python, + # don't do it and instead write it like it is, with the + # corresponding fields having an empty name. Empty names are + # recognized at runtime when we import the generated Python + # file. + expand_anonymous_struct_union = not self.target_is_python + return tp.enumfields(expand_anonymous_struct_union) + + def _do_collect_type(self, tp): + if not isinstance(tp, model.BaseTypeByIdentity): + if isinstance(tp, tuple): + for x in tp: + self._do_collect_type(x) + return + if tp not in self._typesdict: + self._typesdict[tp] = None + if isinstance(tp, model.FunctionPtrType): + self._do_collect_type(tp.as_raw_function()) + elif isinstance(tp, model.StructOrUnion): + if tp.fldtypes is not None and ( + tp not in self.ffi._parser._included_declarations): + for name1, tp1, _, _ in self._enum_fields(tp): + self._do_collect_type(self._field_type(tp, name1, tp1)) + else: + for _, x in tp._get_items(): + self._do_collect_type(x) + + def _generate(self, step_name): + lst = self.ffi._parser._declarations.items() + for name, (tp, quals) in sorted(lst): + kind, realname = name.split(' ', 1) + try: + method = getattr(self, '_generate_cpy_%s_%s' % (kind, + step_name)) + except AttributeError: + raise VerificationError( + "not implemented in recompile(): %r" % name) + try: + self._current_quals = quals + method(tp, realname) + except Exception as e: + model.attach_exception_info(e, name) + raise + + # ---------- + + ALL_STEPS = ["global", "field", "struct_union", "enum", "typename"] + + def collect_step_tables(self): + # collect the declarations for '_cffi_globals', '_cffi_typenames', etc. + self._lsts = {} + for step_name in self.ALL_STEPS: + self._lsts[step_name] = [] + self._seen_struct_unions = set() + self._generate("ctx") + self._add_missing_struct_unions() + # + for step_name in self.ALL_STEPS: + lst = self._lsts[step_name] + if step_name != "field": + lst.sort(key=lambda entry: entry.name) + self._lsts[step_name] = tuple(lst) # don't change any more + # + # check for a possible internal inconsistency: _cffi_struct_unions + # should have been generated with exactly self._struct_unions + lst = self._lsts["struct_union"] + for tp, i in self._struct_unions.items(): + assert i < len(lst) + assert lst[i].name == tp.name + assert len(lst) == len(self._struct_unions) + # same with enums + lst = self._lsts["enum"] + for tp, i in self._enums.items(): + assert i < len(lst) + assert lst[i].name == tp.name + assert len(lst) == len(self._enums) + + # ---------- + + def _prnt(self, what=''): + self._f.write(what + '\n') + + def write_source_to_f(self, f, preamble): + if self.target_is_python: + assert preamble is None + self.write_py_source_to_f(f) + else: + assert preamble is not None + self.write_c_source_to_f(f, preamble) + + def _rel_readlines(self, filename): + g = open(os.path.join(os.path.dirname(__file__), filename), 'r') + lines = g.readlines() + g.close() + return lines + + def write_c_source_to_f(self, f, preamble): + self._f = f + prnt = self._prnt + if self.ffi._embedding is not None: + prnt('#define _CFFI_USE_EMBEDDING') + if not USE_LIMITED_API: + prnt('#define _CFFI_NO_LIMITED_API') + # + # first the '#include' (actually done by inlining the file's content) + lines = self._rel_readlines('_cffi_include.h') + i = lines.index('#include "parse_c_type.h"\n') + lines[i:i+1] = self._rel_readlines('parse_c_type.h') + prnt(''.join(lines)) + # + # if we have ffi._embedding != None, we give it here as a macro + # and include an extra file + base_module_name = self.module_name.split('.')[-1] + if self.ffi._embedding is not None: + prnt('#define _CFFI_MODULE_NAME "%s"' % (self.module_name,)) + prnt('static const char _CFFI_PYTHON_STARTUP_CODE[] = {') + self._print_string_literal_in_array(self.ffi._embedding) + prnt('0 };') + prnt('#ifdef PYPY_VERSION') + prnt('# define _CFFI_PYTHON_STARTUP_FUNC _cffi_pypyinit_%s' % ( + base_module_name,)) + prnt('#elif PY_MAJOR_VERSION >= 3') + prnt('# define _CFFI_PYTHON_STARTUP_FUNC PyInit_%s' % ( + base_module_name,)) + prnt('#else') + prnt('# define _CFFI_PYTHON_STARTUP_FUNC init%s' % ( + base_module_name,)) + prnt('#endif') + lines = self._rel_readlines('_embedding.h') + i = lines.index('#include "_cffi_errors.h"\n') + lines[i:i+1] = self._rel_readlines('_cffi_errors.h') + prnt(''.join(lines)) + self.needs_version(VERSION_EMBEDDED) + # + # then paste the C source given by the user, verbatim. + prnt('/************************************************************/') + prnt() + prnt(preamble) + prnt() + prnt('/************************************************************/') + prnt() + # + # the declaration of '_cffi_types' + prnt('static void *_cffi_types[] = {') + typeindex2type = dict([(i, tp) for (tp, i) in self._typesdict.items()]) + for i, op in enumerate(self.cffi_types): + comment = '' + if i in typeindex2type: + comment = ' // ' + typeindex2type[i]._get_c_name() + prnt('/* %2d */ %s,%s' % (i, op.as_c_expr(), comment)) + if not self.cffi_types: + prnt(' 0') + prnt('};') + prnt() + # + # call generate_cpy_xxx_decl(), for every xxx found from + # ffi._parser._declarations. This generates all the functions. + self._seen_constants = set() + self._generate("decl") + # + # the declaration of '_cffi_globals' and '_cffi_typenames' + nums = {} + for step_name in self.ALL_STEPS: + lst = self._lsts[step_name] + nums[step_name] = len(lst) + if nums[step_name] > 0: + prnt('static const struct _cffi_%s_s _cffi_%ss[] = {' % ( + step_name, step_name)) + for entry in lst: + prnt(entry.as_c_expr()) + prnt('};') + prnt() + # + # the declaration of '_cffi_includes' + if self.ffi._included_ffis: + prnt('static const char * const _cffi_includes[] = {') + for ffi_to_include in self.ffi._included_ffis: + try: + included_module_name, included_source = ( + ffi_to_include._assigned_source[:2]) + except AttributeError: + raise VerificationError( + "ffi object %r includes %r, but the latter has not " + "been prepared with set_source()" % ( + self.ffi, ffi_to_include,)) + if included_source is None: + raise VerificationError( + "not implemented yet: ffi.include() of a Python-based " + "ffi inside a C-based ffi") + prnt(' "%s",' % (included_module_name,)) + prnt(' NULL') + prnt('};') + prnt() + # + # the declaration of '_cffi_type_context' + prnt('static const struct _cffi_type_context_s _cffi_type_context = {') + prnt(' _cffi_types,') + for step_name in self.ALL_STEPS: + if nums[step_name] > 0: + prnt(' _cffi_%ss,' % step_name) + else: + prnt(' NULL, /* no %ss */' % step_name) + for step_name in self.ALL_STEPS: + if step_name != "field": + prnt(' %d, /* num_%ss */' % (nums[step_name], step_name)) + if self.ffi._included_ffis: + prnt(' _cffi_includes,') + else: + prnt(' NULL, /* no includes */') + prnt(' %d, /* num_types */' % (len(self.cffi_types),)) + flags = 0 + if self._num_externpy > 0 or self.ffi._embedding is not None: + flags |= 1 # set to mean that we use extern "Python" + prnt(' %d, /* flags */' % flags) + prnt('};') + prnt() + # + # the init function + prnt('#ifdef __GNUC__') + prnt('# pragma GCC visibility push(default) /* for -fvisibility= */') + prnt('#endif') + prnt() + prnt('#ifdef PYPY_VERSION') + prnt('PyMODINIT_FUNC') + prnt('_cffi_pypyinit_%s(const void *p[])' % (base_module_name,)) + prnt('{') + if flags & 1: + prnt(' if (((intptr_t)p[0]) >= 0x0A03) {') + prnt(' _cffi_call_python_org = ' + '(void(*)(struct _cffi_externpy_s *, char *))p[1];') + prnt(' }') + prnt(' p[0] = (const void *)0x%x;' % self._version) + prnt(' p[1] = &_cffi_type_context;') + prnt('#if PY_MAJOR_VERSION >= 3') + prnt(' return NULL;') + prnt('#endif') + prnt('}') + # on Windows, distutils insists on putting init_cffi_xyz in + # 'export_symbols', so instead of fighting it, just give up and + # give it one + prnt('# ifdef _MSC_VER') + prnt(' PyMODINIT_FUNC') + prnt('# if PY_MAJOR_VERSION >= 3') + prnt(' PyInit_%s(void) { return NULL; }' % (base_module_name,)) + prnt('# else') + prnt(' init%s(void) { }' % (base_module_name,)) + prnt('# endif') + prnt('# endif') + prnt('#elif PY_MAJOR_VERSION >= 3') + prnt('PyMODINIT_FUNC') + prnt('PyInit_%s(void)' % (base_module_name,)) + prnt('{') + prnt(' return _cffi_init("%s", 0x%x, &_cffi_type_context);' % ( + self.module_name, self._version)) + prnt('}') + prnt('#else') + prnt('PyMODINIT_FUNC') + prnt('init%s(void)' % (base_module_name,)) + prnt('{') + prnt(' _cffi_init("%s", 0x%x, &_cffi_type_context);' % ( + self.module_name, self._version)) + prnt('}') + prnt('#endif') + prnt() + prnt('#ifdef __GNUC__') + prnt('# pragma GCC visibility pop') + prnt('#endif') + self._version = None + + def _to_py(self, x): + if isinstance(x, str): + return "b'%s'" % (x,) + if isinstance(x, (list, tuple)): + rep = [self._to_py(item) for item in x] + if len(rep) == 1: + rep.append('') + return "(%s)" % (','.join(rep),) + return x.as_python_expr() # Py2: unicode unexpected; Py3: bytes unexp. + + def write_py_source_to_f(self, f): + self._f = f + prnt = self._prnt + # + # header + prnt("# auto-generated file") + prnt("import _cffi_backend") + # + # the 'import' of the included ffis + num_includes = len(self.ffi._included_ffis or ()) + for i in range(num_includes): + ffi_to_include = self.ffi._included_ffis[i] + try: + included_module_name, included_source = ( + ffi_to_include._assigned_source[:2]) + except AttributeError: + raise VerificationError( + "ffi object %r includes %r, but the latter has not " + "been prepared with set_source()" % ( + self.ffi, ffi_to_include,)) + if included_source is not None: + raise VerificationError( + "not implemented yet: ffi.include() of a C-based " + "ffi inside a Python-based ffi") + prnt('from %s import ffi as _ffi%d' % (included_module_name, i)) + prnt() + prnt("ffi = _cffi_backend.FFI('%s'," % (self.module_name,)) + prnt(" _version = 0x%x," % (self._version,)) + self._version = None + # + # the '_types' keyword argument + self.cffi_types = tuple(self.cffi_types) # don't change any more + types_lst = [op.as_python_bytes() for op in self.cffi_types] + prnt(' _types = %s,' % (self._to_py(''.join(types_lst)),)) + typeindex2type = dict([(i, tp) for (tp, i) in self._typesdict.items()]) + # + # the keyword arguments from ALL_STEPS + for step_name in self.ALL_STEPS: + lst = self._lsts[step_name] + if len(lst) > 0 and step_name != "field": + prnt(' _%ss = %s,' % (step_name, self._to_py(lst))) + # + # the '_includes' keyword argument + if num_includes > 0: + prnt(' _includes = (%s,),' % ( + ', '.join(['_ffi%d' % i for i in range(num_includes)]),)) + # + # the footer + prnt(')') + + # ---------- + + def _gettypenum(self, type): + # a KeyError here is a bug. please report it! :-) + return self._typesdict[type] + + def _convert_funcarg_to_c(self, tp, fromvar, tovar, errcode): + extraarg = '' + if isinstance(tp, model.BasePrimitiveType) and not tp.is_complex_type(): + if tp.is_integer_type() and tp.name != '_Bool': + converter = '_cffi_to_c_int' + extraarg = ', %s' % tp.name + elif isinstance(tp, model.UnknownFloatType): + # don't check with is_float_type(): it may be a 'long + # double' here, and _cffi_to_c_double would loose precision + converter = '(%s)_cffi_to_c_double' % (tp.get_c_name(''),) + else: + cname = tp.get_c_name('') + converter = '(%s)_cffi_to_c_%s' % (cname, + tp.name.replace(' ', '_')) + if cname in ('char16_t', 'char32_t'): + self.needs_version(VERSION_CHAR16CHAR32) + errvalue = '-1' + # + elif isinstance(tp, model.PointerType): + self._convert_funcarg_to_c_ptr_or_array(tp, fromvar, + tovar, errcode) + return + # + elif (isinstance(tp, model.StructOrUnionOrEnum) or + isinstance(tp, model.BasePrimitiveType)): + # a struct (not a struct pointer) as a function argument; + # or, a complex (the same code works) + self._prnt(' if (_cffi_to_c((char *)&%s, _cffi_type(%d), %s) < 0)' + % (tovar, self._gettypenum(tp), fromvar)) + self._prnt(' %s;' % errcode) + return + # + elif isinstance(tp, model.FunctionPtrType): + converter = '(%s)_cffi_to_c_pointer' % tp.get_c_name('') + extraarg = ', _cffi_type(%d)' % self._gettypenum(tp) + errvalue = 'NULL' + # + else: + raise NotImplementedError(tp) + # + self._prnt(' %s = %s(%s%s);' % (tovar, converter, fromvar, extraarg)) + self._prnt(' if (%s == (%s)%s && PyErr_Occurred())' % ( + tovar, tp.get_c_name(''), errvalue)) + self._prnt(' %s;' % errcode) + + def _extra_local_variables(self, tp, localvars, freelines): + if isinstance(tp, model.PointerType): + localvars.add('Py_ssize_t datasize') + localvars.add('struct _cffi_freeme_s *large_args_free = NULL') + freelines.add('if (large_args_free != NULL)' + ' _cffi_free_array_arguments(large_args_free);') + + def _convert_funcarg_to_c_ptr_or_array(self, tp, fromvar, tovar, errcode): + self._prnt(' datasize = _cffi_prepare_pointer_call_argument(') + self._prnt(' _cffi_type(%d), %s, (char **)&%s);' % ( + self._gettypenum(tp), fromvar, tovar)) + self._prnt(' if (datasize != 0) {') + self._prnt(' %s = ((size_t)datasize) <= 640 ? ' + '(%s)alloca((size_t)datasize) : NULL;' % ( + tovar, tp.get_c_name(''))) + self._prnt(' if (_cffi_convert_array_argument(_cffi_type(%d), %s, ' + '(char **)&%s,' % (self._gettypenum(tp), fromvar, tovar)) + self._prnt(' datasize, &large_args_free) < 0)') + self._prnt(' %s;' % errcode) + self._prnt(' }') + + def _convert_expr_from_c(self, tp, var, context): + if isinstance(tp, model.BasePrimitiveType): + if tp.is_integer_type() and tp.name != '_Bool': + return '_cffi_from_c_int(%s, %s)' % (var, tp.name) + elif isinstance(tp, model.UnknownFloatType): + return '_cffi_from_c_double(%s)' % (var,) + elif tp.name != 'long double' and not tp.is_complex_type(): + cname = tp.name.replace(' ', '_') + if cname in ('char16_t', 'char32_t'): + self.needs_version(VERSION_CHAR16CHAR32) + return '_cffi_from_c_%s(%s)' % (cname, var) + else: + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, (model.PointerType, model.FunctionPtrType)): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.ArrayType): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(model.PointerType(tp.item))) + elif isinstance(tp, model.StructOrUnion): + if tp.fldnames is None: + raise TypeError("'%s' is used as %s, but is opaque" % ( + tp._get_c_name(), context)) + return '_cffi_from_c_struct((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.EnumType): + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + else: + raise NotImplementedError(tp) + + # ---------- + # typedefs + + def _typedef_type(self, tp, name): + return self._global_type(tp, "(*(%s *)0)" % (name,)) + + def _generate_cpy_typedef_collecttype(self, tp, name): + self._do_collect_type(self._typedef_type(tp, name)) + + def _generate_cpy_typedef_decl(self, tp, name): + pass + + def _typedef_ctx(self, tp, name): + type_index = self._typesdict[tp] + self._lsts["typename"].append(TypenameExpr(name, type_index)) + + def _generate_cpy_typedef_ctx(self, tp, name): + tp = self._typedef_type(tp, name) + self._typedef_ctx(tp, name) + if getattr(tp, "origin", None) == "unknown_type": + self._struct_ctx(tp, tp.name, approxname=None) + elif isinstance(tp, model.NamedPointerType): + self._struct_ctx(tp.totype, tp.totype.name, approxname=tp.name, + named_ptr=tp) + + # ---------- + # function declarations + + def _generate_cpy_function_collecttype(self, tp, name): + self._do_collect_type(tp.as_raw_function()) + if tp.ellipsis and not self.target_is_python: + self._do_collect_type(tp) + + def _generate_cpy_function_decl(self, tp, name): + assert not self.target_is_python + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + # cannot support vararg functions better than this: check for its + # exact type (including the fixed arguments), and build it as a + # constant function pointer (no CPython wrapper) + self._generate_cpy_constant_decl(tp, name) + return + prnt = self._prnt + numargs = len(tp.args) + if numargs == 0: + argname = 'noarg' + elif numargs == 1: + argname = 'arg0' + else: + argname = 'args' + # + # ------------------------------ + # the 'd' version of the function, only for addressof(lib, 'func') + arguments = [] + call_arguments = [] + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + arguments.append(type.get_c_name(' x%d' % i, context)) + call_arguments.append('x%d' % i) + repr_arguments = ', '.join(arguments) + repr_arguments = repr_arguments or 'void' + if tp.abi: + abi = tp.abi + ' ' + else: + abi = '' + name_and_arguments = '%s_cffi_d_%s(%s)' % (abi, name, repr_arguments) + prnt('static %s' % (tp.result.get_c_name(name_and_arguments),)) + prnt('{') + call_arguments = ', '.join(call_arguments) + result_code = 'return ' + if isinstance(tp.result, model.VoidType): + result_code = '' + prnt(' %s%s(%s);' % (result_code, name, call_arguments)) + prnt('}') + # + prnt('#ifndef PYPY_VERSION') # ------------------------------ + # + prnt('static PyObject *') + prnt('_cffi_f_%s(PyObject *self, PyObject *%s)' % (name, argname)) + prnt('{') + # + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + arg = type.get_c_name(' x%d' % i, context) + prnt(' %s;' % arg) + # + localvars = set() + freelines = set() + for type in tp.args: + self._extra_local_variables(type, localvars, freelines) + for decl in sorted(localvars): + prnt(' %s;' % (decl,)) + # + if not isinstance(tp.result, model.VoidType): + result_code = 'result = ' + context = 'result of %s' % name + result_decl = ' %s;' % tp.result.get_c_name(' result', context) + prnt(result_decl) + prnt(' PyObject *pyresult;') + else: + result_decl = None + result_code = '' + # + if len(tp.args) > 1: + rng = range(len(tp.args)) + for i in rng: + prnt(' PyObject *arg%d;' % i) + prnt() + prnt(' if (!PyArg_UnpackTuple(args, "%s", %d, %d, %s))' % ( + name, len(rng), len(rng), + ', '.join(['&arg%d' % i for i in rng]))) + prnt(' return NULL;') + prnt() + # + for i, type in enumerate(tp.args): + self._convert_funcarg_to_c(type, 'arg%d' % i, 'x%d' % i, + 'return NULL') + prnt() + # + prnt(' Py_BEGIN_ALLOW_THREADS') + prnt(' _cffi_restore_errno();') + call_arguments = ['x%d' % i for i in range(len(tp.args))] + call_arguments = ', '.join(call_arguments) + prnt(' { %s%s(%s); }' % (result_code, name, call_arguments)) + prnt(' _cffi_save_errno();') + prnt(' Py_END_ALLOW_THREADS') + prnt() + # + prnt(' (void)self; /* unused */') + if numargs == 0: + prnt(' (void)noarg; /* unused */') + if result_code: + prnt(' pyresult = %s;' % + self._convert_expr_from_c(tp.result, 'result', 'result type')) + for freeline in freelines: + prnt(' ' + freeline) + prnt(' return pyresult;') + else: + for freeline in freelines: + prnt(' ' + freeline) + prnt(' Py_INCREF(Py_None);') + prnt(' return Py_None;') + prnt('}') + # + prnt('#else') # ------------------------------ + # + # the PyPy version: need to replace struct/union arguments with + # pointers, and if the result is a struct/union, insert a first + # arg that is a pointer to the result. We also do that for + # complex args and return type. + def need_indirection(type): + return (isinstance(type, model.StructOrUnion) or + (isinstance(type, model.PrimitiveType) and + type.is_complex_type())) + difference = False + arguments = [] + call_arguments = [] + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + indirection = '' + if need_indirection(type): + indirection = '*' + difference = True + arg = type.get_c_name(' %sx%d' % (indirection, i), context) + arguments.append(arg) + call_arguments.append('%sx%d' % (indirection, i)) + tp_result = tp.result + if need_indirection(tp_result): + context = 'result of %s' % name + arg = tp_result.get_c_name(' *result', context) + arguments.insert(0, arg) + tp_result = model.void_type + result_decl = None + result_code = '*result = ' + difference = True + if difference: + repr_arguments = ', '.join(arguments) + repr_arguments = repr_arguments or 'void' + name_and_arguments = '%s_cffi_f_%s(%s)' % (abi, name, + repr_arguments) + prnt('static %s' % (tp_result.get_c_name(name_and_arguments),)) + prnt('{') + if result_decl: + prnt(result_decl) + call_arguments = ', '.join(call_arguments) + prnt(' { %s%s(%s); }' % (result_code, name, call_arguments)) + if result_decl: + prnt(' return result;') + prnt('}') + else: + prnt('# define _cffi_f_%s _cffi_d_%s' % (name, name)) + # + prnt('#endif') # ------------------------------ + prnt() + + def _generate_cpy_function_ctx(self, tp, name): + if tp.ellipsis and not self.target_is_python: + self._generate_cpy_constant_ctx(tp, name) + return + type_index = self._typesdict[tp.as_raw_function()] + numargs = len(tp.args) + if self.target_is_python: + meth_kind = OP_DLOPEN_FUNC + elif numargs == 0: + meth_kind = OP_CPYTHON_BLTN_N # 'METH_NOARGS' + elif numargs == 1: + meth_kind = OP_CPYTHON_BLTN_O # 'METH_O' + else: + meth_kind = OP_CPYTHON_BLTN_V # 'METH_VARARGS' + self._lsts["global"].append( + GlobalExpr(name, '_cffi_f_%s' % name, + CffiOp(meth_kind, type_index), + size='_cffi_d_%s' % name)) + + # ---------- + # named structs or unions + + def _field_type(self, tp_struct, field_name, tp_field): + if isinstance(tp_field, model.ArrayType): + actual_length = tp_field.length + if actual_length == '...': + ptr_struct_name = tp_struct.get_c_name('*') + actual_length = '_cffi_array_len(((%s)0)->%s)' % ( + ptr_struct_name, field_name) + tp_item = self._field_type(tp_struct, '%s[0]' % field_name, + tp_field.item) + tp_field = model.ArrayType(tp_item, actual_length) + return tp_field + + def _struct_collecttype(self, tp): + self._do_collect_type(tp) + if self.target_is_python: + # also requires nested anon struct/unions in ABI mode, recursively + for fldtype in tp.anonymous_struct_fields(): + self._struct_collecttype(fldtype) + + def _struct_decl(self, tp, cname, approxname): + if tp.fldtypes is None: + return + prnt = self._prnt + checkfuncname = '_cffi_checkfld_%s' % (approxname,) + prnt('_CFFI_UNUSED_FN') + prnt('static void %s(%s *p)' % (checkfuncname, cname)) + prnt('{') + prnt(' /* only to generate compile-time warnings or errors */') + prnt(' (void)p;') + for fname, ftype, fbitsize, fqual in self._enum_fields(tp): + try: + if ftype.is_integer_type() or fbitsize >= 0: + # accept all integers, but complain on float or double + if fname != '': + prnt(" (void)((p->%s) | 0); /* check that '%s.%s' is " + "an integer */" % (fname, cname, fname)) + continue + # only accept exactly the type declared, except that '[]' + # is interpreted as a '*' and so will match any array length. + # (It would also match '*', but that's harder to detect...) + while (isinstance(ftype, model.ArrayType) + and (ftype.length is None or ftype.length == '...')): + ftype = ftype.item + fname = fname + '[0]' + prnt(' { %s = &p->%s; (void)tmp; }' % ( + ftype.get_c_name('*tmp', 'field %r'%fname, quals=fqual), + fname)) + except VerificationError as e: + prnt(' /* %s */' % str(e)) # cannot verify it, ignore + prnt('}') + prnt('struct _cffi_align_%s { char x; %s y; };' % (approxname, cname)) + prnt() + + def _struct_ctx(self, tp, cname, approxname, named_ptr=None): + type_index = self._typesdict[tp] + reason_for_not_expanding = None + flags = [] + if isinstance(tp, model.UnionType): + flags.append("_CFFI_F_UNION") + if tp.fldtypes is None: + flags.append("_CFFI_F_OPAQUE") + reason_for_not_expanding = "opaque" + if (tp not in self.ffi._parser._included_declarations and + (named_ptr is None or + named_ptr not in self.ffi._parser._included_declarations)): + if tp.fldtypes is None: + pass # opaque + elif tp.partial or any(tp.anonymous_struct_fields()): + pass # field layout obtained silently from the C compiler + else: + flags.append("_CFFI_F_CHECK_FIELDS") + if tp.packed: + if tp.packed > 1: + raise NotImplementedError( + "%r is declared with 'pack=%r'; only 0 or 1 are " + "supported in API mode (try to use \"...;\", which " + "does not require a 'pack' declaration)" % + (tp, tp.packed)) + flags.append("_CFFI_F_PACKED") + else: + flags.append("_CFFI_F_EXTERNAL") + reason_for_not_expanding = "external" + flags = '|'.join(flags) or '0' + c_fields = [] + if reason_for_not_expanding is None: + enumfields = list(self._enum_fields(tp)) + for fldname, fldtype, fbitsize, fqual in enumfields: + fldtype = self._field_type(tp, fldname, fldtype) + self._check_not_opaque(fldtype, + "field '%s.%s'" % (tp.name, fldname)) + # cname is None for _add_missing_struct_unions() only + op = OP_NOOP + if fbitsize >= 0: + op = OP_BITFIELD + size = '%d /* bits */' % fbitsize + elif cname is None or ( + isinstance(fldtype, model.ArrayType) and + fldtype.length is None): + size = '(size_t)-1' + else: + size = 'sizeof(((%s)0)->%s)' % ( + tp.get_c_name('*') if named_ptr is None + else named_ptr.name, + fldname) + if cname is None or fbitsize >= 0: + offset = '(size_t)-1' + elif named_ptr is not None: + offset = '((char *)&((%s)4096)->%s) - (char *)4096' % ( + named_ptr.name, fldname) + else: + offset = 'offsetof(%s, %s)' % (tp.get_c_name(''), fldname) + c_fields.append( + FieldExpr(fldname, offset, size, fbitsize, + CffiOp(op, self._typesdict[fldtype]))) + first_field_index = len(self._lsts["field"]) + self._lsts["field"].extend(c_fields) + # + if cname is None: # unknown name, for _add_missing_struct_unions + size = '(size_t)-2' + align = -2 + comment = "unnamed" + else: + if named_ptr is not None: + size = 'sizeof(*(%s)0)' % (named_ptr.name,) + align = '-1 /* unknown alignment */' + else: + size = 'sizeof(%s)' % (cname,) + align = 'offsetof(struct _cffi_align_%s, y)' % (approxname,) + comment = None + else: + size = '(size_t)-1' + align = -1 + first_field_index = -1 + comment = reason_for_not_expanding + self._lsts["struct_union"].append( + StructUnionExpr(tp.name, type_index, flags, size, align, comment, + first_field_index, c_fields)) + self._seen_struct_unions.add(tp) + + def _check_not_opaque(self, tp, location): + while isinstance(tp, model.ArrayType): + tp = tp.item + if isinstance(tp, model.StructOrUnion) and tp.fldtypes is None: + raise TypeError( + "%s is of an opaque type (not declared in cdef())" % location) + + def _add_missing_struct_unions(self): + # not very nice, but some struct declarations might be missing + # because they don't have any known C name. Check that they are + # not partial (we can't complete or verify them!) and emit them + # anonymously. + lst = list(self._struct_unions.items()) + lst.sort(key=lambda tp_order: tp_order[1]) + for tp, order in lst: + if tp not in self._seen_struct_unions: + if tp.partial: + raise NotImplementedError("internal inconsistency: %r is " + "partial but was not seen at " + "this point" % (tp,)) + if tp.name.startswith('$') and tp.name[1:].isdigit(): + approxname = tp.name[1:] + elif tp.name == '_IO_FILE' and tp.forcename == 'FILE': + approxname = 'FILE' + self._typedef_ctx(tp, 'FILE') + else: + raise NotImplementedError("internal inconsistency: %r" % + (tp,)) + self._struct_ctx(tp, None, approxname) + + def _generate_cpy_struct_collecttype(self, tp, name): + self._struct_collecttype(tp) + _generate_cpy_union_collecttype = _generate_cpy_struct_collecttype + + def _struct_names(self, tp): + cname = tp.get_c_name('') + if ' ' in cname: + return cname, cname.replace(' ', '_') + else: + return cname, '_' + cname + + def _generate_cpy_struct_decl(self, tp, name): + self._struct_decl(tp, *self._struct_names(tp)) + _generate_cpy_union_decl = _generate_cpy_struct_decl + + def _generate_cpy_struct_ctx(self, tp, name): + self._struct_ctx(tp, *self._struct_names(tp)) + _generate_cpy_union_ctx = _generate_cpy_struct_ctx + + # ---------- + # 'anonymous' declarations. These are produced for anonymous structs + # or unions; the 'name' is obtained by a typedef. + + def _generate_cpy_anonymous_collecttype(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_cpy_enum_collecttype(tp, name) + else: + self._struct_collecttype(tp) + + def _generate_cpy_anonymous_decl(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_cpy_enum_decl(tp) + else: + self._struct_decl(tp, name, 'typedef_' + name) + + def _generate_cpy_anonymous_ctx(self, tp, name): + if isinstance(tp, model.EnumType): + self._enum_ctx(tp, name) + else: + self._struct_ctx(tp, name, 'typedef_' + name) + + # ---------- + # constants, declared with "static const ..." + + def _generate_cpy_const(self, is_int, name, tp=None, category='const', + check_value=None): + if (category, name) in self._seen_constants: + raise VerificationError( + "duplicate declaration of %s '%s'" % (category, name)) + self._seen_constants.add((category, name)) + # + prnt = self._prnt + funcname = '_cffi_%s_%s' % (category, name) + if is_int: + prnt('static int %s(unsigned long long *o)' % funcname) + prnt('{') + prnt(' int n = (%s) <= 0;' % (name,)) + prnt(' *o = (unsigned long long)((%s) | 0);' + ' /* check that %s is an integer */' % (name, name)) + if check_value is not None: + if check_value > 0: + check_value = '%dU' % (check_value,) + prnt(' if (!_cffi_check_int(*o, n, %s))' % (check_value,)) + prnt(' n |= 2;') + prnt(' return n;') + prnt('}') + else: + assert check_value is None + prnt('static void %s(char *o)' % funcname) + prnt('{') + prnt(' *(%s)o = %s;' % (tp.get_c_name('*'), name)) + prnt('}') + prnt() + + def _generate_cpy_constant_collecttype(self, tp, name): + is_int = tp.is_integer_type() + if not is_int or self.target_is_python: + self._do_collect_type(tp) + + def _generate_cpy_constant_decl(self, tp, name): + is_int = tp.is_integer_type() + self._generate_cpy_const(is_int, name, tp) + + def _generate_cpy_constant_ctx(self, tp, name): + if not self.target_is_python and tp.is_integer_type(): + type_op = CffiOp(OP_CONSTANT_INT, -1) + else: + if self.target_is_python: + const_kind = OP_DLOPEN_CONST + else: + const_kind = OP_CONSTANT + type_index = self._typesdict[tp] + type_op = CffiOp(const_kind, type_index) + self._lsts["global"].append( + GlobalExpr(name, '_cffi_const_%s' % name, type_op)) + + # ---------- + # enums + + def _generate_cpy_enum_collecttype(self, tp, name): + self._do_collect_type(tp) + + def _generate_cpy_enum_decl(self, tp, name=None): + for enumerator in tp.enumerators: + self._generate_cpy_const(True, enumerator) + + def _enum_ctx(self, tp, cname): + type_index = self._typesdict[tp] + type_op = CffiOp(OP_ENUM, -1) + if self.target_is_python: + tp.check_not_partial() + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + self._lsts["global"].append( + GlobalExpr(enumerator, '_cffi_const_%s' % enumerator, type_op, + check_value=enumvalue)) + # + if cname is not None and '$' not in cname and not self.target_is_python: + size = "sizeof(%s)" % cname + signed = "((%s)-1) <= 0" % cname + else: + basetp = tp.build_baseinttype(self.ffi, []) + size = self.ffi.sizeof(basetp) + signed = int(int(self.ffi.cast(basetp, -1)) < 0) + allenums = ",".join(tp.enumerators) + self._lsts["enum"].append( + EnumExpr(tp.name, type_index, size, signed, allenums)) + + def _generate_cpy_enum_ctx(self, tp, name): + self._enum_ctx(tp, tp._get_c_name()) + + # ---------- + # macros: for now only for integers + + def _generate_cpy_macro_collecttype(self, tp, name): + pass + + def _generate_cpy_macro_decl(self, tp, name): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + self._generate_cpy_const(True, name, check_value=check_value) + + def _generate_cpy_macro_ctx(self, tp, name): + if tp == '...': + if self.target_is_python: + raise VerificationError( + "cannot use the syntax '...' in '#define %s ...' when " + "using the ABI mode" % (name,)) + check_value = None + else: + check_value = tp # an integer + type_op = CffiOp(OP_CONSTANT_INT, -1) + self._lsts["global"].append( + GlobalExpr(name, '_cffi_const_%s' % name, type_op, + check_value=check_value)) + + # ---------- + # global variables + + def _global_type(self, tp, global_name): + if isinstance(tp, model.ArrayType): + actual_length = tp.length + if actual_length == '...': + actual_length = '_cffi_array_len(%s)' % (global_name,) + tp_item = self._global_type(tp.item, '%s[0]' % global_name) + tp = model.ArrayType(tp_item, actual_length) + return tp + + def _generate_cpy_variable_collecttype(self, tp, name): + self._do_collect_type(self._global_type(tp, name)) + + def _generate_cpy_variable_decl(self, tp, name): + prnt = self._prnt + tp = self._global_type(tp, name) + if isinstance(tp, model.ArrayType) and tp.length is None: + tp = tp.item + ampersand = '' + else: + ampersand = '&' + # This code assumes that casts from "tp *" to "void *" is a + # no-op, i.e. a function that returns a "tp *" can be called + # as if it returned a "void *". This should be generally true + # on any modern machine. The only exception to that rule (on + # uncommon architectures, and as far as I can tell) might be + # if 'tp' were a function type, but that is not possible here. + # (If 'tp' is a function _pointer_ type, then casts from "fn_t + # **" to "void *" are again no-ops, as far as I can tell.) + decl = '*_cffi_var_%s(void)' % (name,) + prnt('static ' + tp.get_c_name(decl, quals=self._current_quals)) + prnt('{') + prnt(' return %s(%s);' % (ampersand, name)) + prnt('}') + prnt() + + def _generate_cpy_variable_ctx(self, tp, name): + tp = self._global_type(tp, name) + type_index = self._typesdict[tp] + if self.target_is_python: + op = OP_GLOBAL_VAR + else: + op = OP_GLOBAL_VAR_F + self._lsts["global"].append( + GlobalExpr(name, '_cffi_var_%s' % name, CffiOp(op, type_index))) + + # ---------- + # extern "Python" + + def _generate_cpy_extern_python_collecttype(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + self._do_collect_type(tp) + _generate_cpy_dllexport_python_collecttype = \ + _generate_cpy_extern_python_plus_c_collecttype = \ + _generate_cpy_extern_python_collecttype + + def _extern_python_decl(self, tp, name, tag_and_space): + prnt = self._prnt + if isinstance(tp.result, model.VoidType): + size_of_result = '0' + else: + context = 'result of %s' % name + size_of_result = '(int)sizeof(%s)' % ( + tp.result.get_c_name('', context),) + prnt('static struct _cffi_externpy_s _cffi_externpy__%s =' % name) + prnt(' { "%s.%s", %s, 0, 0 };' % ( + self.module_name, name, size_of_result)) + prnt() + # + arguments = [] + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + arg = type.get_c_name(' a%d' % i, context) + arguments.append(arg) + # + repr_arguments = ', '.join(arguments) + repr_arguments = repr_arguments or 'void' + name_and_arguments = '%s(%s)' % (name, repr_arguments) + if tp.abi == "__stdcall": + name_and_arguments = '_cffi_stdcall ' + name_and_arguments + # + def may_need_128_bits(tp): + return (isinstance(tp, model.PrimitiveType) and + tp.name == 'long double') + # + size_of_a = max(len(tp.args)*8, 8) + if may_need_128_bits(tp.result): + size_of_a = max(size_of_a, 16) + if isinstance(tp.result, model.StructOrUnion): + size_of_a = 'sizeof(%s) > %d ? sizeof(%s) : %d' % ( + tp.result.get_c_name(''), size_of_a, + tp.result.get_c_name(''), size_of_a) + prnt('%s%s' % (tag_and_space, tp.result.get_c_name(name_and_arguments))) + prnt('{') + prnt(' char a[%s];' % size_of_a) + prnt(' char *p = a;') + for i, type in enumerate(tp.args): + arg = 'a%d' % i + if (isinstance(type, model.StructOrUnion) or + may_need_128_bits(type)): + arg = '&' + arg + type = model.PointerType(type) + prnt(' *(%s)(p + %d) = %s;' % (type.get_c_name('*'), i*8, arg)) + prnt(' _cffi_call_python(&_cffi_externpy__%s, p);' % name) + if not isinstance(tp.result, model.VoidType): + prnt(' return *(%s)p;' % (tp.result.get_c_name('*'),)) + prnt('}') + prnt() + self._num_externpy += 1 + + def _generate_cpy_extern_python_decl(self, tp, name): + self._extern_python_decl(tp, name, 'static ') + + def _generate_cpy_dllexport_python_decl(self, tp, name): + self._extern_python_decl(tp, name, 'CFFI_DLLEXPORT ') + + def _generate_cpy_extern_python_plus_c_decl(self, tp, name): + self._extern_python_decl(tp, name, '') + + def _generate_cpy_extern_python_ctx(self, tp, name): + if self.target_is_python: + raise VerificationError( + "cannot use 'extern \"Python\"' in the ABI mode") + if tp.ellipsis: + raise NotImplementedError("a vararg function is extern \"Python\"") + type_index = self._typesdict[tp] + type_op = CffiOp(OP_EXTERN_PYTHON, type_index) + self._lsts["global"].append( + GlobalExpr(name, '&_cffi_externpy__%s' % name, type_op, name)) + + _generate_cpy_dllexport_python_ctx = \ + _generate_cpy_extern_python_plus_c_ctx = \ + _generate_cpy_extern_python_ctx + + def _print_string_literal_in_array(self, s): + prnt = self._prnt + prnt('// # NB. this is not a string because of a size limit in MSVC') + if not isinstance(s, bytes): # unicode + s = s.encode('utf-8') # -> bytes + else: + s.decode('utf-8') # got bytes, check for valid utf-8 + try: + s.decode('ascii') + except UnicodeDecodeError: + s = b'# -*- encoding: utf8 -*-\n' + s + for line in s.splitlines(True): + comment = line + if type('//') is bytes: # python2 + line = map(ord, line) # make a list of integers + else: # python3 + # type(line) is bytes, which enumerates like a list of integers + comment = ascii(comment)[1:-1] + prnt(('// ' + comment).rstrip()) + printed_line = '' + for c in line: + if len(printed_line) >= 76: + prnt(printed_line) + printed_line = '' + printed_line += '%d,' % (c,) + prnt(printed_line) + + # ---------- + # emitting the opcodes for individual types + + def _emit_bytecode_VoidType(self, tp, index): + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, PRIM_VOID) + + def _emit_bytecode_PrimitiveType(self, tp, index): + prim_index = PRIMITIVE_TO_INDEX[tp.name] + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, prim_index) + + def _emit_bytecode_UnknownIntegerType(self, tp, index): + s = ('_cffi_prim_int(sizeof(%s), (\n' + ' ((%s)-1) | 0 /* check that %s is an integer type */\n' + ' ) <= 0)' % (tp.name, tp.name, tp.name)) + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, s) + + def _emit_bytecode_UnknownFloatType(self, tp, index): + s = ('_cffi_prim_float(sizeof(%s) *\n' + ' (((%s)1) / 2) * 2 /* integer => 0, float => 1 */\n' + ' )' % (tp.name, tp.name)) + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, s) + + def _emit_bytecode_RawFunctionType(self, tp, index): + self.cffi_types[index] = CffiOp(OP_FUNCTION, self._typesdict[tp.result]) + index += 1 + for tp1 in tp.args: + realindex = self._typesdict[tp1] + if index != realindex: + if isinstance(tp1, model.PrimitiveType): + self._emit_bytecode_PrimitiveType(tp1, index) + else: + self.cffi_types[index] = CffiOp(OP_NOOP, realindex) + index += 1 + flags = int(tp.ellipsis) + if tp.abi is not None: + if tp.abi == '__stdcall': + flags |= 2 + else: + raise NotImplementedError("abi=%r" % (tp.abi,)) + self.cffi_types[index] = CffiOp(OP_FUNCTION_END, flags) + + def _emit_bytecode_PointerType(self, tp, index): + self.cffi_types[index] = CffiOp(OP_POINTER, self._typesdict[tp.totype]) + + _emit_bytecode_ConstPointerType = _emit_bytecode_PointerType + _emit_bytecode_NamedPointerType = _emit_bytecode_PointerType + + def _emit_bytecode_FunctionPtrType(self, tp, index): + raw = tp.as_raw_function() + self.cffi_types[index] = CffiOp(OP_POINTER, self._typesdict[raw]) + + def _emit_bytecode_ArrayType(self, tp, index): + item_index = self._typesdict[tp.item] + if tp.length is None: + self.cffi_types[index] = CffiOp(OP_OPEN_ARRAY, item_index) + elif tp.length == '...': + raise VerificationError( + "type %s badly placed: the '...' array length can only be " + "used on global arrays or on fields of structures" % ( + str(tp).replace('/*...*/', '...'),)) + else: + assert self.cffi_types[index + 1] == 'LEN' + self.cffi_types[index] = CffiOp(OP_ARRAY, item_index) + self.cffi_types[index + 1] = CffiOp(None, str(tp.length)) + + def _emit_bytecode_StructType(self, tp, index): + struct_index = self._struct_unions[tp] + self.cffi_types[index] = CffiOp(OP_STRUCT_UNION, struct_index) + _emit_bytecode_UnionType = _emit_bytecode_StructType + + def _emit_bytecode_EnumType(self, tp, index): + enum_index = self._enums[tp] + self.cffi_types[index] = CffiOp(OP_ENUM, enum_index) + + +if sys.version_info >= (3,): + NativeIO = io.StringIO +else: + class NativeIO(io.BytesIO): + def write(self, s): + if isinstance(s, unicode): + s = s.encode('ascii') + super(NativeIO, self).write(s) + +def _is_file_like(maybefile): + # compare to xml.etree.ElementTree._get_writer + return hasattr(maybefile, 'write') + +def _make_c_or_py_source(ffi, module_name, preamble, target_file, verbose): + if verbose: + print("generating %s" % (target_file,)) + recompiler = Recompiler(ffi, module_name, + target_is_python=(preamble is None)) + recompiler.collect_type_table() + recompiler.collect_step_tables() + if _is_file_like(target_file): + recompiler.write_source_to_f(target_file, preamble) + return True + f = NativeIO() + recompiler.write_source_to_f(f, preamble) + output = f.getvalue() + try: + with open(target_file, 'r') as f1: + if f1.read(len(output) + 1) != output: + raise IOError + if verbose: + print("(already up-to-date)") + return False # already up-to-date + except IOError: + tmp_file = '%s.~%d' % (target_file, os.getpid()) + with open(tmp_file, 'w') as f1: + f1.write(output) + try: + os.rename(tmp_file, target_file) + except OSError: + os.unlink(target_file) + os.rename(tmp_file, target_file) + return True + +def make_c_source(ffi, module_name, preamble, target_c_file, verbose=False): + assert preamble is not None + return _make_c_or_py_source(ffi, module_name, preamble, target_c_file, + verbose) + +def make_py_source(ffi, module_name, target_py_file, verbose=False): + return _make_c_or_py_source(ffi, module_name, None, target_py_file, + verbose) + +def _modname_to_file(outputdir, modname, extension): + parts = modname.split('.') + try: + os.makedirs(os.path.join(outputdir, *parts[:-1])) + except OSError: + pass + parts[-1] += extension + return os.path.join(outputdir, *parts), parts + + +# Aaargh. Distutils is not tested at all for the purpose of compiling +# DLLs that are not extension modules. Here are some hacks to work +# around that, in the _patch_for_*() functions... + +def _patch_meth(patchlist, cls, name, new_meth): + old = getattr(cls, name) + patchlist.append((cls, name, old)) + setattr(cls, name, new_meth) + return old + +def _unpatch_meths(patchlist): + for cls, name, old_meth in reversed(patchlist): + setattr(cls, name, old_meth) + +def _patch_for_embedding(patchlist): + if sys.platform == 'win32': + # we must not remove the manifest when building for embedding! + # FUTURE: this module was removed in setuptools 74; this is likely dead code and should be removed, + # since the toolchain it supports (VS2005-2008) is also long dead. + from cffi._shimmed_dist_utils import MSVCCompiler + if MSVCCompiler is not None: + _patch_meth(patchlist, MSVCCompiler, '_remove_visual_c_ref', + lambda self, manifest_file: manifest_file) + + if sys.platform == 'darwin': + # we must not make a '-bundle', but a '-dynamiclib' instead + from cffi._shimmed_dist_utils import CCompiler + def my_link_shared_object(self, *args, **kwds): + if '-bundle' in self.linker_so: + self.linker_so = list(self.linker_so) + i = self.linker_so.index('-bundle') + self.linker_so[i] = '-dynamiclib' + return old_link_shared_object(self, *args, **kwds) + old_link_shared_object = _patch_meth(patchlist, CCompiler, + 'link_shared_object', + my_link_shared_object) + +def _patch_for_target(patchlist, target): + from cffi._shimmed_dist_utils import build_ext + # if 'target' is different from '*', we need to patch some internal + # method to just return this 'target' value, instead of having it + # built from module_name + if target.endswith('.*'): + target = target[:-2] + if sys.platform == 'win32': + target += '.dll' + elif sys.platform == 'darwin': + target += '.dylib' + else: + target += '.so' + _patch_meth(patchlist, build_ext, 'get_ext_filename', + lambda self, ext_name: target) + + +def recompile(ffi, module_name, preamble, tmpdir='.', call_c_compiler=True, + c_file=None, source_extension='.c', extradir=None, + compiler_verbose=1, target=None, debug=None, + uses_ffiplatform=True, **kwds): + if not isinstance(module_name, str): + module_name = module_name.encode('ascii') + if ffi._windows_unicode: + ffi._apply_windows_unicode(kwds) + if preamble is not None: + if call_c_compiler and _is_file_like(c_file): + raise TypeError("Writing to file-like objects is not supported " + "with call_c_compiler=True") + embedding = (ffi._embedding is not None) + if embedding: + ffi._apply_embedding_fix(kwds) + if c_file is None: + c_file, parts = _modname_to_file(tmpdir, module_name, + source_extension) + if extradir: + parts = [extradir] + parts + ext_c_file = os.path.join(*parts) + else: + ext_c_file = c_file + # + if target is None: + if embedding: + target = '%s.*' % module_name + else: + target = '*' + # + if uses_ffiplatform: + ext = ffiplatform.get_extension(ext_c_file, module_name, **kwds) + else: + ext = None + updated = make_c_source(ffi, module_name, preamble, c_file, + verbose=compiler_verbose) + if call_c_compiler: + patchlist = [] + cwd = os.getcwd() + try: + if embedding: + _patch_for_embedding(patchlist) + if target != '*': + _patch_for_target(patchlist, target) + if compiler_verbose: + if tmpdir == '.': + msg = 'the current directory is' + else: + msg = 'setting the current directory to' + print('%s %r' % (msg, os.path.abspath(tmpdir))) + os.chdir(tmpdir) + outputfilename = ffiplatform.compile('.', ext, + compiler_verbose, debug) + finally: + os.chdir(cwd) + _unpatch_meths(patchlist) + return outputfilename + else: + return ext, updated + else: + if c_file is None: + c_file, _ = _modname_to_file(tmpdir, module_name, '.py') + updated = make_py_source(ffi, module_name, c_file, + verbose=compiler_verbose) + if call_c_compiler: + return c_file + else: + return None, updated + diff --git a/venv/lib/python3.12/site-packages/cffi/setuptools_ext.py b/venv/lib/python3.12/site-packages/cffi/setuptools_ext.py new file mode 100644 index 0000000..681b49d --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/setuptools_ext.py @@ -0,0 +1,216 @@ +import os +import sys + +try: + basestring +except NameError: + # Python 3.x + basestring = str + +def error(msg): + from cffi._shimmed_dist_utils import DistutilsSetupError + raise DistutilsSetupError(msg) + + +def execfile(filename, glob): + # We use execfile() (here rewritten for Python 3) instead of + # __import__() to load the build script. The problem with + # a normal import is that in some packages, the intermediate + # __init__.py files may already try to import the file that + # we are generating. + with open(filename) as f: + src = f.read() + src += '\n' # Python 2.6 compatibility + code = compile(src, filename, 'exec') + exec(code, glob, glob) + + +def add_cffi_module(dist, mod_spec): + from cffi.api import FFI + + if not isinstance(mod_spec, basestring): + error("argument to 'cffi_modules=...' must be a str or a list of str," + " not %r" % (type(mod_spec).__name__,)) + mod_spec = str(mod_spec) + try: + build_file_name, ffi_var_name = mod_spec.split(':') + except ValueError: + error("%r must be of the form 'path/build.py:ffi_variable'" % + (mod_spec,)) + if not os.path.exists(build_file_name): + ext = '' + rewritten = build_file_name.replace('.', '/') + '.py' + if os.path.exists(rewritten): + ext = ' (rewrite cffi_modules to [%r])' % ( + rewritten + ':' + ffi_var_name,) + error("%r does not name an existing file%s" % (build_file_name, ext)) + + mod_vars = {'__name__': '__cffi__', '__file__': build_file_name} + execfile(build_file_name, mod_vars) + + try: + ffi = mod_vars[ffi_var_name] + except KeyError: + error("%r: object %r not found in module" % (mod_spec, + ffi_var_name)) + if not isinstance(ffi, FFI): + ffi = ffi() # maybe it's a function instead of directly an ffi + if not isinstance(ffi, FFI): + error("%r is not an FFI instance (got %r)" % (mod_spec, + type(ffi).__name__)) + if not hasattr(ffi, '_assigned_source'): + error("%r: the set_source() method was not called" % (mod_spec,)) + module_name, source, source_extension, kwds = ffi._assigned_source + if ffi._windows_unicode: + kwds = kwds.copy() + ffi._apply_windows_unicode(kwds) + + if source is None: + _add_py_module(dist, ffi, module_name) + else: + _add_c_module(dist, ffi, module_name, source, source_extension, kwds) + +def _set_py_limited_api(Extension, kwds): + """ + Add py_limited_api to kwds if setuptools >= 26 is in use. + Do not alter the setting if it already exists. + Setuptools takes care of ignoring the flag on Python 2 and PyPy. + + CPython itself should ignore the flag in a debugging version + (by not listing .abi3.so in the extensions it supports), but + it doesn't so far, creating troubles. That's why we check + for "not hasattr(sys, 'gettotalrefcount')" (the 2.7 compatible equivalent + of 'd' not in sys.abiflags). (http://bugs.python.org/issue28401) + + On Windows, with CPython <= 3.4, it's better not to use py_limited_api + because virtualenv *still* doesn't copy PYTHON3.DLL on these versions. + Recently (2020) we started shipping only >= 3.5 wheels, though. So + we'll give it another try and set py_limited_api on Windows >= 3.5. + """ + from cffi import recompiler + + if ('py_limited_api' not in kwds and not hasattr(sys, 'gettotalrefcount') + and recompiler.USE_LIMITED_API): + import setuptools + try: + setuptools_major_version = int(setuptools.__version__.partition('.')[0]) + if setuptools_major_version >= 26: + kwds['py_limited_api'] = True + except ValueError: # certain development versions of setuptools + # If we don't know the version number of setuptools, we + # try to set 'py_limited_api' anyway. At worst, we get a + # warning. + kwds['py_limited_api'] = True + return kwds + +def _add_c_module(dist, ffi, module_name, source, source_extension, kwds): + # We are a setuptools extension. Need this build_ext for py_limited_api. + from setuptools.command.build_ext import build_ext + from cffi._shimmed_dist_utils import Extension, log, mkpath + from cffi import recompiler + + allsources = ['$PLACEHOLDER'] + allsources.extend(kwds.pop('sources', [])) + kwds = _set_py_limited_api(Extension, kwds) + ext = Extension(name=module_name, sources=allsources, **kwds) + + def make_mod(tmpdir, pre_run=None): + c_file = os.path.join(tmpdir, module_name + source_extension) + log.info("generating cffi module %r" % c_file) + mkpath(tmpdir) + # a setuptools-only, API-only hook: called with the "ext" and "ffi" + # arguments just before we turn the ffi into C code. To use it, + # subclass the 'distutils.command.build_ext.build_ext' class and + # add a method 'def pre_run(self, ext, ffi)'. + if pre_run is not None: + pre_run(ext, ffi) + updated = recompiler.make_c_source(ffi, module_name, source, c_file) + if not updated: + log.info("already up-to-date") + return c_file + + if dist.ext_modules is None: + dist.ext_modules = [] + dist.ext_modules.append(ext) + + base_class = dist.cmdclass.get('build_ext', build_ext) + class build_ext_make_mod(base_class): + def run(self): + if ext.sources[0] == '$PLACEHOLDER': + pre_run = getattr(self, 'pre_run', None) + ext.sources[0] = make_mod(self.build_temp, pre_run) + base_class.run(self) + dist.cmdclass['build_ext'] = build_ext_make_mod + # NB. multiple runs here will create multiple 'build_ext_make_mod' + # classes. Even in this case the 'build_ext' command should be + # run once; but just in case, the logic above does nothing if + # called again. + + +def _add_py_module(dist, ffi, module_name): + from setuptools.command.build_py import build_py + from setuptools.command.build_ext import build_ext + from cffi._shimmed_dist_utils import log, mkpath + from cffi import recompiler + + def generate_mod(py_file): + log.info("generating cffi module %r" % py_file) + mkpath(os.path.dirname(py_file)) + updated = recompiler.make_py_source(ffi, module_name, py_file) + if not updated: + log.info("already up-to-date") + + base_class = dist.cmdclass.get('build_py', build_py) + class build_py_make_mod(base_class): + def run(self): + base_class.run(self) + module_path = module_name.split('.') + module_path[-1] += '.py' + generate_mod(os.path.join(self.build_lib, *module_path)) + def get_source_files(self): + # This is called from 'setup.py sdist' only. Exclude + # the generate .py module in this case. + saved_py_modules = self.py_modules + try: + if saved_py_modules: + self.py_modules = [m for m in saved_py_modules + if m != module_name] + return base_class.get_source_files(self) + finally: + self.py_modules = saved_py_modules + dist.cmdclass['build_py'] = build_py_make_mod + + # distutils and setuptools have no notion I could find of a + # generated python module. If we don't add module_name to + # dist.py_modules, then things mostly work but there are some + # combination of options (--root and --record) that will miss + # the module. So we add it here, which gives a few apparently + # harmless warnings about not finding the file outside the + # build directory. + # Then we need to hack more in get_source_files(); see above. + if dist.py_modules is None: + dist.py_modules = [] + dist.py_modules.append(module_name) + + # the following is only for "build_ext -i" + base_class_2 = dist.cmdclass.get('build_ext', build_ext) + class build_ext_make_mod(base_class_2): + def run(self): + base_class_2.run(self) + if self.inplace: + # from get_ext_fullpath() in distutils/command/build_ext.py + module_path = module_name.split('.') + package = '.'.join(module_path[:-1]) + build_py = self.get_finalized_command('build_py') + package_dir = build_py.get_package_dir(package) + file_name = module_path[-1] + '.py' + generate_mod(os.path.join(package_dir, file_name)) + dist.cmdclass['build_ext'] = build_ext_make_mod + +def cffi_modules(dist, attr, value): + assert attr == 'cffi_modules' + if isinstance(value, basestring): + value = [value] + + for cffi_module in value: + add_cffi_module(dist, cffi_module) diff --git a/venv/lib/python3.12/site-packages/cffi/vengine_cpy.py b/venv/lib/python3.12/site-packages/cffi/vengine_cpy.py new file mode 100644 index 0000000..eb0b6f7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/vengine_cpy.py @@ -0,0 +1,1084 @@ +# +# DEPRECATED: implementation for ffi.verify() +# +import sys +from . import model +from .error import VerificationError +from . import _imp_emulation as imp + + +class VCPythonEngine(object): + _class_key = 'x' + _gen_python_module = True + + def __init__(self, verifier): + self.verifier = verifier + self.ffi = verifier.ffi + self._struct_pending_verification = {} + self._types_of_builtin_functions = {} + + def patch_extension_kwds(self, kwds): + pass + + def find_module(self, module_name, path, so_suffixes): + try: + f, filename, descr = imp.find_module(module_name, path) + except ImportError: + return None + if f is not None: + f.close() + # Note that after a setuptools installation, there are both .py + # and .so files with the same basename. The code here relies on + # imp.find_module() locating the .so in priority. + if descr[0] not in so_suffixes: + return None + return filename + + def collect_types(self): + self._typesdict = {} + self._generate("collecttype") + + def _prnt(self, what=''): + self._f.write(what + '\n') + + def _gettypenum(self, type): + # a KeyError here is a bug. please report it! :-) + return self._typesdict[type] + + def _do_collect_type(self, tp): + if ((not isinstance(tp, model.PrimitiveType) + or tp.name == 'long double') + and tp not in self._typesdict): + num = len(self._typesdict) + self._typesdict[tp] = num + + def write_source_to_f(self): + self.collect_types() + # + # The new module will have a _cffi_setup() function that receives + # objects from the ffi world, and that calls some setup code in + # the module. This setup code is split in several independent + # functions, e.g. one per constant. The functions are "chained" + # by ending in a tail call to each other. + # + # This is further split in two chained lists, depending on if we + # can do it at import-time or if we must wait for _cffi_setup() to + # provide us with the objects. This is needed because we + # need the values of the enum constants in order to build the + # that we may have to pass to _cffi_setup(). + # + # The following two 'chained_list_constants' items contains + # the head of these two chained lists, as a string that gives the + # call to do, if any. + self._chained_list_constants = ['((void)lib,0)', '((void)lib,0)'] + # + prnt = self._prnt + # first paste some standard set of lines that are mostly '#define' + prnt(cffimod_header) + prnt() + # then paste the C source given by the user, verbatim. + prnt(self.verifier.preamble) + prnt() + # + # call generate_cpy_xxx_decl(), for every xxx found from + # ffi._parser._declarations. This generates all the functions. + self._generate("decl") + # + # implement the function _cffi_setup_custom() as calling the + # head of the chained list. + self._generate_setup_custom() + prnt() + # + # produce the method table, including the entries for the + # generated Python->C function wrappers, which are done + # by generate_cpy_function_method(). + prnt('static PyMethodDef _cffi_methods[] = {') + self._generate("method") + prnt(' {"_cffi_setup", _cffi_setup, METH_VARARGS, NULL},') + prnt(' {NULL, NULL, 0, NULL} /* Sentinel */') + prnt('};') + prnt() + # + # standard init. + modname = self.verifier.get_module_name() + constants = self._chained_list_constants[False] + prnt('#if PY_MAJOR_VERSION >= 3') + prnt() + prnt('static struct PyModuleDef _cffi_module_def = {') + prnt(' PyModuleDef_HEAD_INIT,') + prnt(' "%s",' % modname) + prnt(' NULL,') + prnt(' -1,') + prnt(' _cffi_methods,') + prnt(' NULL, NULL, NULL, NULL') + prnt('};') + prnt() + prnt('PyMODINIT_FUNC') + prnt('PyInit_%s(void)' % modname) + prnt('{') + prnt(' PyObject *lib;') + prnt(' lib = PyModule_Create(&_cffi_module_def);') + prnt(' if (lib == NULL)') + prnt(' return NULL;') + prnt(' if (%s < 0 || _cffi_init() < 0) {' % (constants,)) + prnt(' Py_DECREF(lib);') + prnt(' return NULL;') + prnt(' }') + prnt(' return lib;') + prnt('}') + prnt() + prnt('#else') + prnt() + prnt('PyMODINIT_FUNC') + prnt('init%s(void)' % modname) + prnt('{') + prnt(' PyObject *lib;') + prnt(' lib = Py_InitModule("%s", _cffi_methods);' % modname) + prnt(' if (lib == NULL)') + prnt(' return;') + prnt(' if (%s < 0 || _cffi_init() < 0)' % (constants,)) + prnt(' return;') + prnt(' return;') + prnt('}') + prnt() + prnt('#endif') + + def load_library(self, flags=None): + # XXX review all usages of 'self' here! + # import it as a new extension module + imp.acquire_lock() + try: + if hasattr(sys, "getdlopenflags"): + previous_flags = sys.getdlopenflags() + try: + if hasattr(sys, "setdlopenflags") and flags is not None: + sys.setdlopenflags(flags) + module = imp.load_dynamic(self.verifier.get_module_name(), + self.verifier.modulefilename) + except ImportError as e: + error = "importing %r: %s" % (self.verifier.modulefilename, e) + raise VerificationError(error) + finally: + if hasattr(sys, "setdlopenflags"): + sys.setdlopenflags(previous_flags) + finally: + imp.release_lock() + # + # call loading_cpy_struct() to get the struct layout inferred by + # the C compiler + self._load(module, 'loading') + # + # the C code will need the objects. Collect them in + # order in a list. + revmapping = dict([(value, key) + for (key, value) in self._typesdict.items()]) + lst = [revmapping[i] for i in range(len(revmapping))] + lst = list(map(self.ffi._get_cached_btype, lst)) + # + # build the FFILibrary class and instance and call _cffi_setup(). + # this will set up some fields like '_cffi_types', and only then + # it will invoke the chained list of functions that will really + # build (notably) the constant objects, as if they are + # pointers, and store them as attributes on the 'library' object. + class FFILibrary(object): + _cffi_python_module = module + _cffi_ffi = self.ffi + _cffi_dir = [] + def __dir__(self): + return FFILibrary._cffi_dir + list(self.__dict__) + library = FFILibrary() + if module._cffi_setup(lst, VerificationError, library): + import warnings + warnings.warn("reimporting %r might overwrite older definitions" + % (self.verifier.get_module_name())) + # + # finally, call the loaded_cpy_xxx() functions. This will perform + # the final adjustments, like copying the Python->C wrapper + # functions from the module to the 'library' object, and setting + # up the FFILibrary class with properties for the global C variables. + self._load(module, 'loaded', library=library) + module._cffi_original_ffi = self.ffi + module._cffi_types_of_builtin_funcs = self._types_of_builtin_functions + return library + + def _get_declarations(self): + lst = [(key, tp) for (key, (tp, qual)) in + self.ffi._parser._declarations.items()] + lst.sort() + return lst + + def _generate(self, step_name): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + try: + method = getattr(self, '_generate_cpy_%s_%s' % (kind, + step_name)) + except AttributeError: + raise VerificationError( + "not implemented in verify(): %r" % name) + try: + method(tp, realname) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _load(self, module, step_name, **kwds): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + method = getattr(self, '_%s_cpy_%s' % (step_name, kind)) + try: + method(tp, realname, module, **kwds) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _generate_nothing(self, tp, name): + pass + + def _loaded_noop(self, tp, name, module, **kwds): + pass + + # ---------- + + def _convert_funcarg_to_c(self, tp, fromvar, tovar, errcode): + extraarg = '' + if isinstance(tp, model.PrimitiveType): + if tp.is_integer_type() and tp.name != '_Bool': + converter = '_cffi_to_c_int' + extraarg = ', %s' % tp.name + elif tp.is_complex_type(): + raise VerificationError( + "not implemented in verify(): complex types") + else: + converter = '(%s)_cffi_to_c_%s' % (tp.get_c_name(''), + tp.name.replace(' ', '_')) + errvalue = '-1' + # + elif isinstance(tp, model.PointerType): + self._convert_funcarg_to_c_ptr_or_array(tp, fromvar, + tovar, errcode) + return + # + elif isinstance(tp, (model.StructOrUnion, model.EnumType)): + # a struct (not a struct pointer) as a function argument + self._prnt(' if (_cffi_to_c((char *)&%s, _cffi_type(%d), %s) < 0)' + % (tovar, self._gettypenum(tp), fromvar)) + self._prnt(' %s;' % errcode) + return + # + elif isinstance(tp, model.FunctionPtrType): + converter = '(%s)_cffi_to_c_pointer' % tp.get_c_name('') + extraarg = ', _cffi_type(%d)' % self._gettypenum(tp) + errvalue = 'NULL' + # + else: + raise NotImplementedError(tp) + # + self._prnt(' %s = %s(%s%s);' % (tovar, converter, fromvar, extraarg)) + self._prnt(' if (%s == (%s)%s && PyErr_Occurred())' % ( + tovar, tp.get_c_name(''), errvalue)) + self._prnt(' %s;' % errcode) + + def _extra_local_variables(self, tp, localvars, freelines): + if isinstance(tp, model.PointerType): + localvars.add('Py_ssize_t datasize') + localvars.add('struct _cffi_freeme_s *large_args_free = NULL') + freelines.add('if (large_args_free != NULL)' + ' _cffi_free_array_arguments(large_args_free);') + + def _convert_funcarg_to_c_ptr_or_array(self, tp, fromvar, tovar, errcode): + self._prnt(' datasize = _cffi_prepare_pointer_call_argument(') + self._prnt(' _cffi_type(%d), %s, (char **)&%s);' % ( + self._gettypenum(tp), fromvar, tovar)) + self._prnt(' if (datasize != 0) {') + self._prnt(' %s = ((size_t)datasize) <= 640 ? ' + 'alloca((size_t)datasize) : NULL;' % (tovar,)) + self._prnt(' if (_cffi_convert_array_argument(_cffi_type(%d), %s, ' + '(char **)&%s,' % (self._gettypenum(tp), fromvar, tovar)) + self._prnt(' datasize, &large_args_free) < 0)') + self._prnt(' %s;' % errcode) + self._prnt(' }') + + def _convert_expr_from_c(self, tp, var, context): + if isinstance(tp, model.PrimitiveType): + if tp.is_integer_type() and tp.name != '_Bool': + return '_cffi_from_c_int(%s, %s)' % (var, tp.name) + elif tp.name != 'long double': + return '_cffi_from_c_%s(%s)' % (tp.name.replace(' ', '_'), var) + else: + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, (model.PointerType, model.FunctionPtrType)): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.ArrayType): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(model.PointerType(tp.item))) + elif isinstance(tp, model.StructOrUnion): + if tp.fldnames is None: + raise TypeError("'%s' is used as %s, but is opaque" % ( + tp._get_c_name(), context)) + return '_cffi_from_c_struct((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.EnumType): + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + else: + raise NotImplementedError(tp) + + # ---------- + # typedefs: generates no code so far + + _generate_cpy_typedef_collecttype = _generate_nothing + _generate_cpy_typedef_decl = _generate_nothing + _generate_cpy_typedef_method = _generate_nothing + _loading_cpy_typedef = _loaded_noop + _loaded_cpy_typedef = _loaded_noop + + # ---------- + # function declarations + + def _generate_cpy_function_collecttype(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + self._do_collect_type(tp) + else: + # don't call _do_collect_type(tp) in this common case, + # otherwise test_autofilled_struct_as_argument fails + for type in tp.args: + self._do_collect_type(type) + self._do_collect_type(tp.result) + + def _generate_cpy_function_decl(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + # cannot support vararg functions better than this: check for its + # exact type (including the fixed arguments), and build it as a + # constant function pointer (no CPython wrapper) + self._generate_cpy_const(False, name, tp) + return + prnt = self._prnt + numargs = len(tp.args) + if numargs == 0: + argname = 'noarg' + elif numargs == 1: + argname = 'arg0' + else: + argname = 'args' + prnt('static PyObject *') + prnt('_cffi_f_%s(PyObject *self, PyObject *%s)' % (name, argname)) + prnt('{') + # + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + prnt(' %s;' % type.get_c_name(' x%d' % i, context)) + # + localvars = set() + freelines = set() + for type in tp.args: + self._extra_local_variables(type, localvars, freelines) + for decl in sorted(localvars): + prnt(' %s;' % (decl,)) + # + if not isinstance(tp.result, model.VoidType): + result_code = 'result = ' + context = 'result of %s' % name + prnt(' %s;' % tp.result.get_c_name(' result', context)) + prnt(' PyObject *pyresult;') + else: + result_code = '' + # + if len(tp.args) > 1: + rng = range(len(tp.args)) + for i in rng: + prnt(' PyObject *arg%d;' % i) + prnt() + prnt(' if (!PyArg_ParseTuple(args, "%s:%s", %s))' % ( + 'O' * numargs, name, ', '.join(['&arg%d' % i for i in rng]))) + prnt(' return NULL;') + prnt() + # + for i, type in enumerate(tp.args): + self._convert_funcarg_to_c(type, 'arg%d' % i, 'x%d' % i, + 'return NULL') + prnt() + # + prnt(' Py_BEGIN_ALLOW_THREADS') + prnt(' _cffi_restore_errno();') + prnt(' { %s%s(%s); }' % ( + result_code, name, + ', '.join(['x%d' % i for i in range(len(tp.args))]))) + prnt(' _cffi_save_errno();') + prnt(' Py_END_ALLOW_THREADS') + prnt() + # + prnt(' (void)self; /* unused */') + if numargs == 0: + prnt(' (void)noarg; /* unused */') + if result_code: + prnt(' pyresult = %s;' % + self._convert_expr_from_c(tp.result, 'result', 'result type')) + for freeline in freelines: + prnt(' ' + freeline) + prnt(' return pyresult;') + else: + for freeline in freelines: + prnt(' ' + freeline) + prnt(' Py_INCREF(Py_None);') + prnt(' return Py_None;') + prnt('}') + prnt() + + def _generate_cpy_function_method(self, tp, name): + if tp.ellipsis: + return + numargs = len(tp.args) + if numargs == 0: + meth = 'METH_NOARGS' + elif numargs == 1: + meth = 'METH_O' + else: + meth = 'METH_VARARGS' + self._prnt(' {"%s", _cffi_f_%s, %s, NULL},' % (name, name, meth)) + + _loading_cpy_function = _loaded_noop + + def _loaded_cpy_function(self, tp, name, module, library): + if tp.ellipsis: + return + func = getattr(module, name) + setattr(library, name, func) + self._types_of_builtin_functions[func] = tp + + # ---------- + # named structs + + _generate_cpy_struct_collecttype = _generate_nothing + def _generate_cpy_struct_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'struct', name) + def _generate_cpy_struct_method(self, tp, name): + self._generate_struct_or_union_method(tp, 'struct', name) + def _loading_cpy_struct(self, tp, name, module): + self._loading_struct_or_union(tp, 'struct', name, module) + def _loaded_cpy_struct(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + _generate_cpy_union_collecttype = _generate_nothing + def _generate_cpy_union_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'union', name) + def _generate_cpy_union_method(self, tp, name): + self._generate_struct_or_union_method(tp, 'union', name) + def _loading_cpy_union(self, tp, name, module): + self._loading_struct_or_union(tp, 'union', name, module) + def _loaded_cpy_union(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + def _generate_struct_or_union_decl(self, tp, prefix, name): + if tp.fldnames is None: + return # nothing to do with opaque structs + checkfuncname = '_cffi_check_%s_%s' % (prefix, name) + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + cname = ('%s %s' % (prefix, name)).strip() + # + prnt = self._prnt + prnt('static void %s(%s *p)' % (checkfuncname, cname)) + prnt('{') + prnt(' /* only to generate compile-time warnings or errors */') + prnt(' (void)p;') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if (isinstance(ftype, model.PrimitiveType) + and ftype.is_integer_type()) or fbitsize >= 0: + # accept all integers, but complain on float or double + prnt(' (void)((p->%s) << 1);' % fname) + else: + # only accept exactly the type declared. + try: + prnt(' { %s = &p->%s; (void)tmp; }' % ( + ftype.get_c_name('*tmp', 'field %r'%fname, quals=fqual), + fname)) + except VerificationError as e: + prnt(' /* %s */' % str(e)) # cannot verify it, ignore + prnt('}') + prnt('static PyObject *') + prnt('%s(PyObject *self, PyObject *noarg)' % (layoutfuncname,)) + prnt('{') + prnt(' struct _cffi_aligncheck { char x; %s y; };' % cname) + prnt(' static Py_ssize_t nums[] = {') + prnt(' sizeof(%s),' % cname) + prnt(' offsetof(struct _cffi_aligncheck, y),') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + prnt(' offsetof(%s, %s),' % (cname, fname)) + if isinstance(ftype, model.ArrayType) and ftype.length is None: + prnt(' 0, /* %s */' % ftype._get_c_name()) + else: + prnt(' sizeof(((%s *)0)->%s),' % (cname, fname)) + prnt(' -1') + prnt(' };') + prnt(' (void)self; /* unused */') + prnt(' (void)noarg; /* unused */') + prnt(' return _cffi_get_struct_layout(nums);') + prnt(' /* the next line is not executed, but compiled */') + prnt(' %s(0);' % (checkfuncname,)) + prnt('}') + prnt() + + def _generate_struct_or_union_method(self, tp, prefix, name): + if tp.fldnames is None: + return # nothing to do with opaque structs + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + self._prnt(' {"%s", %s, METH_NOARGS, NULL},' % (layoutfuncname, + layoutfuncname)) + + def _loading_struct_or_union(self, tp, prefix, name, module): + if tp.fldnames is None: + return # nothing to do with opaque structs + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + # + function = getattr(module, layoutfuncname) + layout = function() + if isinstance(tp, model.StructOrUnion) and tp.partial: + # use the function()'s sizes and offsets to guide the + # layout of the struct + totalsize = layout[0] + totalalignment = layout[1] + fieldofs = layout[2::2] + fieldsize = layout[3::2] + tp.force_flatten() + assert len(fieldofs) == len(fieldsize) == len(tp.fldnames) + tp.fixedlayout = fieldofs, fieldsize, totalsize, totalalignment + else: + cname = ('%s %s' % (prefix, name)).strip() + self._struct_pending_verification[tp] = layout, cname + + def _loaded_struct_or_union(self, tp): + if tp.fldnames is None: + return # nothing to do with opaque structs + self.ffi._get_cached_btype(tp) # force 'fixedlayout' to be considered + + if tp in self._struct_pending_verification: + # check that the layout sizes and offsets match the real ones + def check(realvalue, expectedvalue, msg): + if realvalue != expectedvalue: + raise VerificationError( + "%s (we have %d, but C compiler says %d)" + % (msg, expectedvalue, realvalue)) + ffi = self.ffi + BStruct = ffi._get_cached_btype(tp) + layout, cname = self._struct_pending_verification.pop(tp) + check(layout[0], ffi.sizeof(BStruct), "wrong total size") + check(layout[1], ffi.alignof(BStruct), "wrong total alignment") + i = 2 + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + check(layout[i], ffi.offsetof(BStruct, fname), + "wrong offset for field %r" % (fname,)) + if layout[i+1] != 0: + BField = ffi._get_cached_btype(ftype) + check(layout[i+1], ffi.sizeof(BField), + "wrong size for field %r" % (fname,)) + i += 2 + assert i == len(layout) + + # ---------- + # 'anonymous' declarations. These are produced for anonymous structs + # or unions; the 'name' is obtained by a typedef. + + _generate_cpy_anonymous_collecttype = _generate_nothing + + def _generate_cpy_anonymous_decl(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_cpy_enum_decl(tp, name, '') + else: + self._generate_struct_or_union_decl(tp, '', name) + + def _generate_cpy_anonymous_method(self, tp, name): + if not isinstance(tp, model.EnumType): + self._generate_struct_or_union_method(tp, '', name) + + def _loading_cpy_anonymous(self, tp, name, module): + if isinstance(tp, model.EnumType): + self._loading_cpy_enum(tp, name, module) + else: + self._loading_struct_or_union(tp, '', name, module) + + def _loaded_cpy_anonymous(self, tp, name, module, **kwds): + if isinstance(tp, model.EnumType): + self._loaded_cpy_enum(tp, name, module, **kwds) + else: + self._loaded_struct_or_union(tp) + + # ---------- + # constants, likely declared with '#define' + + def _generate_cpy_const(self, is_int, name, tp=None, category='const', + vartp=None, delayed=True, size_too=False, + check_value=None): + prnt = self._prnt + funcname = '_cffi_%s_%s' % (category, name) + prnt('static int %s(PyObject *lib)' % funcname) + prnt('{') + prnt(' PyObject *o;') + prnt(' int res;') + if not is_int: + prnt(' %s;' % (vartp or tp).get_c_name(' i', name)) + else: + assert category == 'const' + # + if check_value is not None: + self._check_int_constant_value(name, check_value) + # + if not is_int: + if category == 'var': + realexpr = '&' + name + else: + realexpr = name + prnt(' i = (%s);' % (realexpr,)) + prnt(' o = %s;' % (self._convert_expr_from_c(tp, 'i', + 'variable type'),)) + assert delayed + else: + prnt(' o = _cffi_from_c_int_const(%s);' % name) + prnt(' if (o == NULL)') + prnt(' return -1;') + if size_too: + prnt(' {') + prnt(' PyObject *o1 = o;') + prnt(' o = Py_BuildValue("On", o1, (Py_ssize_t)sizeof(%s));' + % (name,)) + prnt(' Py_DECREF(o1);') + prnt(' if (o == NULL)') + prnt(' return -1;') + prnt(' }') + prnt(' res = PyObject_SetAttrString(lib, "%s", o);' % name) + prnt(' Py_DECREF(o);') + prnt(' if (res < 0)') + prnt(' return -1;') + prnt(' return %s;' % self._chained_list_constants[delayed]) + self._chained_list_constants[delayed] = funcname + '(lib)' + prnt('}') + prnt() + + def _generate_cpy_constant_collecttype(self, tp, name): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + if not is_int: + self._do_collect_type(tp) + + def _generate_cpy_constant_decl(self, tp, name): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + self._generate_cpy_const(is_int, name, tp) + + _generate_cpy_constant_method = _generate_nothing + _loading_cpy_constant = _loaded_noop + _loaded_cpy_constant = _loaded_noop + + # ---------- + # enums + + def _check_int_constant_value(self, name, value, err_prefix=''): + prnt = self._prnt + if value <= 0: + prnt(' if ((%s) > 0 || (long)(%s) != %dL) {' % ( + name, name, value)) + else: + prnt(' if ((%s) <= 0 || (unsigned long)(%s) != %dUL) {' % ( + name, name, value)) + prnt(' char buf[64];') + prnt(' if ((%s) <= 0)' % name) + prnt(' snprintf(buf, 63, "%%ld", (long)(%s));' % name) + prnt(' else') + prnt(' snprintf(buf, 63, "%%lu", (unsigned long)(%s));' % + name) + prnt(' PyErr_Format(_cffi_VerificationError,') + prnt(' "%s%s has the real value %s, not %s",') + prnt(' "%s", "%s", buf, "%d");' % ( + err_prefix, name, value)) + prnt(' return -1;') + prnt(' }') + + def _enum_funcname(self, prefix, name): + # "$enum_$1" => "___D_enum____D_1" + name = name.replace('$', '___D_') + return '_cffi_e_%s_%s' % (prefix, name) + + def _generate_cpy_enum_decl(self, tp, name, prefix='enum'): + if tp.partial: + for enumerator in tp.enumerators: + self._generate_cpy_const(True, enumerator, delayed=False) + return + # + funcname = self._enum_funcname(prefix, name) + prnt = self._prnt + prnt('static int %s(PyObject *lib)' % funcname) + prnt('{') + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + self._check_int_constant_value(enumerator, enumvalue, + "enum %s: " % name) + prnt(' return %s;' % self._chained_list_constants[True]) + self._chained_list_constants[True] = funcname + '(lib)' + prnt('}') + prnt() + + _generate_cpy_enum_collecttype = _generate_nothing + _generate_cpy_enum_method = _generate_nothing + + def _loading_cpy_enum(self, tp, name, module): + if tp.partial: + enumvalues = [getattr(module, enumerator) + for enumerator in tp.enumerators] + tp.enumvalues = tuple(enumvalues) + tp.partial_resolved = True + + def _loaded_cpy_enum(self, tp, name, module, library): + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + setattr(library, enumerator, enumvalue) + + # ---------- + # macros: for now only for integers + + def _generate_cpy_macro_decl(self, tp, name): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + self._generate_cpy_const(True, name, check_value=check_value) + + _generate_cpy_macro_collecttype = _generate_nothing + _generate_cpy_macro_method = _generate_nothing + _loading_cpy_macro = _loaded_noop + _loaded_cpy_macro = _loaded_noop + + # ---------- + # global variables + + def _generate_cpy_variable_collecttype(self, tp, name): + if isinstance(tp, model.ArrayType): + tp_ptr = model.PointerType(tp.item) + else: + tp_ptr = model.PointerType(tp) + self._do_collect_type(tp_ptr) + + def _generate_cpy_variable_decl(self, tp, name): + if isinstance(tp, model.ArrayType): + tp_ptr = model.PointerType(tp.item) + self._generate_cpy_const(False, name, tp, vartp=tp_ptr, + size_too = tp.length_is_unknown()) + else: + tp_ptr = model.PointerType(tp) + self._generate_cpy_const(False, name, tp_ptr, category='var') + + _generate_cpy_variable_method = _generate_nothing + _loading_cpy_variable = _loaded_noop + + def _loaded_cpy_variable(self, tp, name, module, library): + value = getattr(library, name) + if isinstance(tp, model.ArrayType): # int a[5] is "constant" in the + # sense that "a=..." is forbidden + if tp.length_is_unknown(): + assert isinstance(value, tuple) + (value, size) = value + BItemType = self.ffi._get_cached_btype(tp.item) + length, rest = divmod(size, self.ffi.sizeof(BItemType)) + if rest != 0: + raise VerificationError( + "bad size: %r does not seem to be an array of %s" % + (name, tp.item)) + tp = tp.resolve_length(length) + # 'value' is a which we have to replace with + # a if the N is actually known + if tp.length is not None: + BArray = self.ffi._get_cached_btype(tp) + value = self.ffi.cast(BArray, value) + setattr(library, name, value) + return + # remove ptr= from the library instance, and replace + # it by a property on the class, which reads/writes into ptr[0]. + ptr = value + delattr(library, name) + def getter(library): + return ptr[0] + def setter(library, value): + ptr[0] = value + setattr(type(library), name, property(getter, setter)) + type(library)._cffi_dir.append(name) + + # ---------- + + def _generate_setup_custom(self): + prnt = self._prnt + prnt('static int _cffi_setup_custom(PyObject *lib)') + prnt('{') + prnt(' return %s;' % self._chained_list_constants[True]) + prnt('}') + +cffimod_header = r''' +#include +#include + +/* this block of #ifs should be kept exactly identical between + c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py + and cffi/_cffi_include.h */ +#if defined(_MSC_VER) +# include /* for alloca() */ +# if _MSC_VER < 1600 /* MSVC < 2010 */ + typedef __int8 int8_t; + typedef __int16 int16_t; + typedef __int32 int32_t; + typedef __int64 int64_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; + typedef unsigned __int64 uint64_t; + typedef __int8 int_least8_t; + typedef __int16 int_least16_t; + typedef __int32 int_least32_t; + typedef __int64 int_least64_t; + typedef unsigned __int8 uint_least8_t; + typedef unsigned __int16 uint_least16_t; + typedef unsigned __int32 uint_least32_t; + typedef unsigned __int64 uint_least64_t; + typedef __int8 int_fast8_t; + typedef __int16 int_fast16_t; + typedef __int32 int_fast32_t; + typedef __int64 int_fast64_t; + typedef unsigned __int8 uint_fast8_t; + typedef unsigned __int16 uint_fast16_t; + typedef unsigned __int32 uint_fast32_t; + typedef unsigned __int64 uint_fast64_t; + typedef __int64 intmax_t; + typedef unsigned __int64 uintmax_t; +# else +# include +# endif +# if _MSC_VER < 1800 /* MSVC < 2013 */ +# ifndef __cplusplus + typedef unsigned char _Bool; +# endif +# endif +# define _cffi_float_complex_t _Fcomplex /* include for it */ +# define _cffi_double_complex_t _Dcomplex /* include for it */ +#else +# include +# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux) +# include +# endif +# define _cffi_float_complex_t float _Complex +# define _cffi_double_complex_t double _Complex +#endif + +#if PY_MAJOR_VERSION < 3 +# undef PyCapsule_CheckExact +# undef PyCapsule_GetPointer +# define PyCapsule_CheckExact(capsule) (PyCObject_Check(capsule)) +# define PyCapsule_GetPointer(capsule, name) \ + (PyCObject_AsVoidPtr(capsule)) +#endif + +#if PY_MAJOR_VERSION >= 3 +# define PyInt_FromLong PyLong_FromLong +#endif + +#define _cffi_from_c_double PyFloat_FromDouble +#define _cffi_from_c_float PyFloat_FromDouble +#define _cffi_from_c_long PyInt_FromLong +#define _cffi_from_c_ulong PyLong_FromUnsignedLong +#define _cffi_from_c_longlong PyLong_FromLongLong +#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong +#define _cffi_from_c__Bool PyBool_FromLong + +#define _cffi_to_c_double PyFloat_AsDouble +#define _cffi_to_c_float PyFloat_AsDouble + +#define _cffi_from_c_int_const(x) \ + (((x) > 0) ? \ + ((unsigned long long)(x) <= (unsigned long long)LONG_MAX) ? \ + PyInt_FromLong((long)(x)) : \ + PyLong_FromUnsignedLongLong((unsigned long long)(x)) : \ + ((long long)(x) >= (long long)LONG_MIN) ? \ + PyInt_FromLong((long)(x)) : \ + PyLong_FromLongLong((long long)(x))) + +#define _cffi_from_c_int(x, type) \ + (((type)-1) > 0 ? /* unsigned */ \ + (sizeof(type) < sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + sizeof(type) == sizeof(long) ? \ + PyLong_FromUnsignedLong((unsigned long)x) : \ + PyLong_FromUnsignedLongLong((unsigned long long)x)) : \ + (sizeof(type) <= sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + PyLong_FromLongLong((long long)x))) + +#define _cffi_to_c_int(o, type) \ + ((type)( \ + sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o) \ + : (type)_cffi_to_c_i8(o)) : \ + sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o) \ + : (type)_cffi_to_c_i16(o)) : \ + sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o) \ + : (type)_cffi_to_c_i32(o)) : \ + sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o) \ + : (type)_cffi_to_c_i64(o)) : \ + (Py_FatalError("unsupported size for type " #type), (type)0))) + +#define _cffi_to_c_i8 \ + ((int(*)(PyObject *))_cffi_exports[1]) +#define _cffi_to_c_u8 \ + ((int(*)(PyObject *))_cffi_exports[2]) +#define _cffi_to_c_i16 \ + ((int(*)(PyObject *))_cffi_exports[3]) +#define _cffi_to_c_u16 \ + ((int(*)(PyObject *))_cffi_exports[4]) +#define _cffi_to_c_i32 \ + ((int(*)(PyObject *))_cffi_exports[5]) +#define _cffi_to_c_u32 \ + ((unsigned int(*)(PyObject *))_cffi_exports[6]) +#define _cffi_to_c_i64 \ + ((long long(*)(PyObject *))_cffi_exports[7]) +#define _cffi_to_c_u64 \ + ((unsigned long long(*)(PyObject *))_cffi_exports[8]) +#define _cffi_to_c_char \ + ((int(*)(PyObject *))_cffi_exports[9]) +#define _cffi_from_c_pointer \ + ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[10]) +#define _cffi_to_c_pointer \ + ((char *(*)(PyObject *, CTypeDescrObject *))_cffi_exports[11]) +#define _cffi_get_struct_layout \ + ((PyObject *(*)(Py_ssize_t[]))_cffi_exports[12]) +#define _cffi_restore_errno \ + ((void(*)(void))_cffi_exports[13]) +#define _cffi_save_errno \ + ((void(*)(void))_cffi_exports[14]) +#define _cffi_from_c_char \ + ((PyObject *(*)(char))_cffi_exports[15]) +#define _cffi_from_c_deref \ + ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[16]) +#define _cffi_to_c \ + ((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[17]) +#define _cffi_from_c_struct \ + ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[18]) +#define _cffi_to_c_wchar_t \ + ((wchar_t(*)(PyObject *))_cffi_exports[19]) +#define _cffi_from_c_wchar_t \ + ((PyObject *(*)(wchar_t))_cffi_exports[20]) +#define _cffi_to_c_long_double \ + ((long double(*)(PyObject *))_cffi_exports[21]) +#define _cffi_to_c__Bool \ + ((_Bool(*)(PyObject *))_cffi_exports[22]) +#define _cffi_prepare_pointer_call_argument \ + ((Py_ssize_t(*)(CTypeDescrObject *, PyObject *, char **))_cffi_exports[23]) +#define _cffi_convert_array_from_object \ + ((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[24]) +#define _CFFI_NUM_EXPORTS 25 + +typedef struct _ctypedescr CTypeDescrObject; + +static void *_cffi_exports[_CFFI_NUM_EXPORTS]; +static PyObject *_cffi_types, *_cffi_VerificationError; + +static int _cffi_setup_custom(PyObject *lib); /* forward */ + +static PyObject *_cffi_setup(PyObject *self, PyObject *args) +{ + PyObject *library; + int was_alive = (_cffi_types != NULL); + (void)self; /* unused */ + if (!PyArg_ParseTuple(args, "OOO", &_cffi_types, &_cffi_VerificationError, + &library)) + return NULL; + Py_INCREF(_cffi_types); + Py_INCREF(_cffi_VerificationError); + if (_cffi_setup_custom(library) < 0) + return NULL; + return PyBool_FromLong(was_alive); +} + +union _cffi_union_alignment_u { + unsigned char m_char; + unsigned short m_short; + unsigned int m_int; + unsigned long m_long; + unsigned long long m_longlong; + float m_float; + double m_double; + long double m_longdouble; +}; + +struct _cffi_freeme_s { + struct _cffi_freeme_s *next; + union _cffi_union_alignment_u alignment; +}; + +#ifdef __GNUC__ + __attribute__((unused)) +#endif +static int _cffi_convert_array_argument(CTypeDescrObject *ctptr, PyObject *arg, + char **output_data, Py_ssize_t datasize, + struct _cffi_freeme_s **freeme) +{ + char *p; + if (datasize < 0) + return -1; + + p = *output_data; + if (p == NULL) { + struct _cffi_freeme_s *fp = (struct _cffi_freeme_s *)PyObject_Malloc( + offsetof(struct _cffi_freeme_s, alignment) + (size_t)datasize); + if (fp == NULL) + return -1; + fp->next = *freeme; + *freeme = fp; + p = *output_data = (char *)&fp->alignment; + } + memset((void *)p, 0, (size_t)datasize); + return _cffi_convert_array_from_object(p, ctptr, arg); +} + +#ifdef __GNUC__ + __attribute__((unused)) +#endif +static void _cffi_free_array_arguments(struct _cffi_freeme_s *freeme) +{ + do { + void *p = (void *)freeme; + freeme = freeme->next; + PyObject_Free(p); + } while (freeme != NULL); +} + +static int _cffi_init(void) +{ + PyObject *module, *c_api_object = NULL; + + module = PyImport_ImportModule("_cffi_backend"); + if (module == NULL) + goto failure; + + c_api_object = PyObject_GetAttrString(module, "_C_API"); + if (c_api_object == NULL) + goto failure; + if (!PyCapsule_CheckExact(c_api_object)) { + PyErr_SetNone(PyExc_ImportError); + goto failure; + } + memcpy(_cffi_exports, PyCapsule_GetPointer(c_api_object, "cffi"), + _CFFI_NUM_EXPORTS * sizeof(void *)); + + Py_DECREF(module); + Py_DECREF(c_api_object); + return 0; + + failure: + Py_XDECREF(module); + Py_XDECREF(c_api_object); + return -1; +} + +#define _cffi_type(num) ((CTypeDescrObject *)PyList_GET_ITEM(_cffi_types, num)) + +/**********/ +''' diff --git a/venv/lib/python3.12/site-packages/cffi/vengine_gen.py b/venv/lib/python3.12/site-packages/cffi/vengine_gen.py new file mode 100644 index 0000000..bffc821 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/vengine_gen.py @@ -0,0 +1,679 @@ +# +# DEPRECATED: implementation for ffi.verify() +# +import sys, os +import types + +from . import model +from .error import VerificationError + + +class VGenericEngine(object): + _class_key = 'g' + _gen_python_module = False + + def __init__(self, verifier): + self.verifier = verifier + self.ffi = verifier.ffi + self.export_symbols = [] + self._struct_pending_verification = {} + + def patch_extension_kwds(self, kwds): + # add 'export_symbols' to the dictionary. Note that we add the + # list before filling it. When we fill it, it will thus also show + # up in kwds['export_symbols']. + kwds.setdefault('export_symbols', self.export_symbols) + + def find_module(self, module_name, path, so_suffixes): + for so_suffix in so_suffixes: + basename = module_name + so_suffix + if path is None: + path = sys.path + for dirname in path: + filename = os.path.join(dirname, basename) + if os.path.isfile(filename): + return filename + + def collect_types(self): + pass # not needed in the generic engine + + def _prnt(self, what=''): + self._f.write(what + '\n') + + def write_source_to_f(self): + prnt = self._prnt + # first paste some standard set of lines that are mostly '#include' + prnt(cffimod_header) + # then paste the C source given by the user, verbatim. + prnt(self.verifier.preamble) + # + # call generate_gen_xxx_decl(), for every xxx found from + # ffi._parser._declarations. This generates all the functions. + self._generate('decl') + # + # on Windows, distutils insists on putting init_cffi_xyz in + # 'export_symbols', so instead of fighting it, just give up and + # give it one + if sys.platform == 'win32': + if sys.version_info >= (3,): + prefix = 'PyInit_' + else: + prefix = 'init' + modname = self.verifier.get_module_name() + prnt("void %s%s(void) { }\n" % (prefix, modname)) + + def load_library(self, flags=0): + # import it with the CFFI backend + backend = self.ffi._backend + # needs to make a path that contains '/', on Posix + filename = os.path.join(os.curdir, self.verifier.modulefilename) + module = backend.load_library(filename, flags) + # + # call loading_gen_struct() to get the struct layout inferred by + # the C compiler + self._load(module, 'loading') + + # build the FFILibrary class and instance, this is a module subclass + # because modules are expected to have usually-constant-attributes and + # in PyPy this means the JIT is able to treat attributes as constant, + # which we want. + class FFILibrary(types.ModuleType): + _cffi_generic_module = module + _cffi_ffi = self.ffi + _cffi_dir = [] + def __dir__(self): + return FFILibrary._cffi_dir + library = FFILibrary("") + # + # finally, call the loaded_gen_xxx() functions. This will set + # up the 'library' object. + self._load(module, 'loaded', library=library) + return library + + def _get_declarations(self): + lst = [(key, tp) for (key, (tp, qual)) in + self.ffi._parser._declarations.items()] + lst.sort() + return lst + + def _generate(self, step_name): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + try: + method = getattr(self, '_generate_gen_%s_%s' % (kind, + step_name)) + except AttributeError: + raise VerificationError( + "not implemented in verify(): %r" % name) + try: + method(tp, realname) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _load(self, module, step_name, **kwds): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + method = getattr(self, '_%s_gen_%s' % (step_name, kind)) + try: + method(tp, realname, module, **kwds) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _generate_nothing(self, tp, name): + pass + + def _loaded_noop(self, tp, name, module, **kwds): + pass + + # ---------- + # typedefs: generates no code so far + + _generate_gen_typedef_decl = _generate_nothing + _loading_gen_typedef = _loaded_noop + _loaded_gen_typedef = _loaded_noop + + # ---------- + # function declarations + + def _generate_gen_function_decl(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + # cannot support vararg functions better than this: check for its + # exact type (including the fixed arguments), and build it as a + # constant function pointer (no _cffi_f_%s wrapper) + self._generate_gen_const(False, name, tp) + return + prnt = self._prnt + numargs = len(tp.args) + argnames = [] + for i, type in enumerate(tp.args): + indirection = '' + if isinstance(type, model.StructOrUnion): + indirection = '*' + argnames.append('%sx%d' % (indirection, i)) + context = 'argument of %s' % name + arglist = [type.get_c_name(' %s' % arg, context) + for type, arg in zip(tp.args, argnames)] + tpresult = tp.result + if isinstance(tpresult, model.StructOrUnion): + arglist.insert(0, tpresult.get_c_name(' *r', context)) + tpresult = model.void_type + arglist = ', '.join(arglist) or 'void' + wrappername = '_cffi_f_%s' % name + self.export_symbols.append(wrappername) + if tp.abi: + abi = tp.abi + ' ' + else: + abi = '' + funcdecl = ' %s%s(%s)' % (abi, wrappername, arglist) + context = 'result of %s' % name + prnt(tpresult.get_c_name(funcdecl, context)) + prnt('{') + # + if isinstance(tp.result, model.StructOrUnion): + result_code = '*r = ' + elif not isinstance(tp.result, model.VoidType): + result_code = 'return ' + else: + result_code = '' + prnt(' %s%s(%s);' % (result_code, name, ', '.join(argnames))) + prnt('}') + prnt() + + _loading_gen_function = _loaded_noop + + def _loaded_gen_function(self, tp, name, module, library): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + newfunction = self._load_constant(False, tp, name, module) + else: + indirections = [] + base_tp = tp + if (any(isinstance(typ, model.StructOrUnion) for typ in tp.args) + or isinstance(tp.result, model.StructOrUnion)): + indirect_args = [] + for i, typ in enumerate(tp.args): + if isinstance(typ, model.StructOrUnion): + typ = model.PointerType(typ) + indirections.append((i, typ)) + indirect_args.append(typ) + indirect_result = tp.result + if isinstance(indirect_result, model.StructOrUnion): + if indirect_result.fldtypes is None: + raise TypeError("'%s' is used as result type, " + "but is opaque" % ( + indirect_result._get_c_name(),)) + indirect_result = model.PointerType(indirect_result) + indirect_args.insert(0, indirect_result) + indirections.insert(0, ("result", indirect_result)) + indirect_result = model.void_type + tp = model.FunctionPtrType(tuple(indirect_args), + indirect_result, tp.ellipsis) + BFunc = self.ffi._get_cached_btype(tp) + wrappername = '_cffi_f_%s' % name + newfunction = module.load_function(BFunc, wrappername) + for i, typ in indirections: + newfunction = self._make_struct_wrapper(newfunction, i, typ, + base_tp) + setattr(library, name, newfunction) + type(library)._cffi_dir.append(name) + + def _make_struct_wrapper(self, oldfunc, i, tp, base_tp): + backend = self.ffi._backend + BType = self.ffi._get_cached_btype(tp) + if i == "result": + ffi = self.ffi + def newfunc(*args): + res = ffi.new(BType) + oldfunc(res, *args) + return res[0] + else: + def newfunc(*args): + args = args[:i] + (backend.newp(BType, args[i]),) + args[i+1:] + return oldfunc(*args) + newfunc._cffi_base_type = base_tp + return newfunc + + # ---------- + # named structs + + def _generate_gen_struct_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'struct', name) + + def _loading_gen_struct(self, tp, name, module): + self._loading_struct_or_union(tp, 'struct', name, module) + + def _loaded_gen_struct(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + def _generate_gen_union_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'union', name) + + def _loading_gen_union(self, tp, name, module): + self._loading_struct_or_union(tp, 'union', name, module) + + def _loaded_gen_union(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + def _generate_struct_or_union_decl(self, tp, prefix, name): + if tp.fldnames is None: + return # nothing to do with opaque structs + checkfuncname = '_cffi_check_%s_%s' % (prefix, name) + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + cname = ('%s %s' % (prefix, name)).strip() + # + prnt = self._prnt + prnt('static void %s(%s *p)' % (checkfuncname, cname)) + prnt('{') + prnt(' /* only to generate compile-time warnings or errors */') + prnt(' (void)p;') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if (isinstance(ftype, model.PrimitiveType) + and ftype.is_integer_type()) or fbitsize >= 0: + # accept all integers, but complain on float or double + prnt(' (void)((p->%s) << 1);' % fname) + else: + # only accept exactly the type declared. + try: + prnt(' { %s = &p->%s; (void)tmp; }' % ( + ftype.get_c_name('*tmp', 'field %r'%fname, quals=fqual), + fname)) + except VerificationError as e: + prnt(' /* %s */' % str(e)) # cannot verify it, ignore + prnt('}') + self.export_symbols.append(layoutfuncname) + prnt('intptr_t %s(intptr_t i)' % (layoutfuncname,)) + prnt('{') + prnt(' struct _cffi_aligncheck { char x; %s y; };' % cname) + prnt(' static intptr_t nums[] = {') + prnt(' sizeof(%s),' % cname) + prnt(' offsetof(struct _cffi_aligncheck, y),') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + prnt(' offsetof(%s, %s),' % (cname, fname)) + if isinstance(ftype, model.ArrayType) and ftype.length is None: + prnt(' 0, /* %s */' % ftype._get_c_name()) + else: + prnt(' sizeof(((%s *)0)->%s),' % (cname, fname)) + prnt(' -1') + prnt(' };') + prnt(' return nums[i];') + prnt(' /* the next line is not executed, but compiled */') + prnt(' %s(0);' % (checkfuncname,)) + prnt('}') + prnt() + + def _loading_struct_or_union(self, tp, prefix, name, module): + if tp.fldnames is None: + return # nothing to do with opaque structs + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + # + BFunc = self.ffi._typeof_locked("intptr_t(*)(intptr_t)")[0] + function = module.load_function(BFunc, layoutfuncname) + layout = [] + num = 0 + while True: + x = function(num) + if x < 0: break + layout.append(x) + num += 1 + if isinstance(tp, model.StructOrUnion) and tp.partial: + # use the function()'s sizes and offsets to guide the + # layout of the struct + totalsize = layout[0] + totalalignment = layout[1] + fieldofs = layout[2::2] + fieldsize = layout[3::2] + tp.force_flatten() + assert len(fieldofs) == len(fieldsize) == len(tp.fldnames) + tp.fixedlayout = fieldofs, fieldsize, totalsize, totalalignment + else: + cname = ('%s %s' % (prefix, name)).strip() + self._struct_pending_verification[tp] = layout, cname + + def _loaded_struct_or_union(self, tp): + if tp.fldnames is None: + return # nothing to do with opaque structs + self.ffi._get_cached_btype(tp) # force 'fixedlayout' to be considered + + if tp in self._struct_pending_verification: + # check that the layout sizes and offsets match the real ones + def check(realvalue, expectedvalue, msg): + if realvalue != expectedvalue: + raise VerificationError( + "%s (we have %d, but C compiler says %d)" + % (msg, expectedvalue, realvalue)) + ffi = self.ffi + BStruct = ffi._get_cached_btype(tp) + layout, cname = self._struct_pending_verification.pop(tp) + check(layout[0], ffi.sizeof(BStruct), "wrong total size") + check(layout[1], ffi.alignof(BStruct), "wrong total alignment") + i = 2 + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + check(layout[i], ffi.offsetof(BStruct, fname), + "wrong offset for field %r" % (fname,)) + if layout[i+1] != 0: + BField = ffi._get_cached_btype(ftype) + check(layout[i+1], ffi.sizeof(BField), + "wrong size for field %r" % (fname,)) + i += 2 + assert i == len(layout) + + # ---------- + # 'anonymous' declarations. These are produced for anonymous structs + # or unions; the 'name' is obtained by a typedef. + + def _generate_gen_anonymous_decl(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_gen_enum_decl(tp, name, '') + else: + self._generate_struct_or_union_decl(tp, '', name) + + def _loading_gen_anonymous(self, tp, name, module): + if isinstance(tp, model.EnumType): + self._loading_gen_enum(tp, name, module, '') + else: + self._loading_struct_or_union(tp, '', name, module) + + def _loaded_gen_anonymous(self, tp, name, module, **kwds): + if isinstance(tp, model.EnumType): + self._loaded_gen_enum(tp, name, module, **kwds) + else: + self._loaded_struct_or_union(tp) + + # ---------- + # constants, likely declared with '#define' + + def _generate_gen_const(self, is_int, name, tp=None, category='const', + check_value=None): + prnt = self._prnt + funcname = '_cffi_%s_%s' % (category, name) + self.export_symbols.append(funcname) + if check_value is not None: + assert is_int + assert category == 'const' + prnt('int %s(char *out_error)' % funcname) + prnt('{') + self._check_int_constant_value(name, check_value) + prnt(' return 0;') + prnt('}') + elif is_int: + assert category == 'const' + prnt('int %s(long long *out_value)' % funcname) + prnt('{') + prnt(' *out_value = (long long)(%s);' % (name,)) + prnt(' return (%s) <= 0;' % (name,)) + prnt('}') + else: + assert tp is not None + assert check_value is None + if category == 'var': + ampersand = '&' + else: + ampersand = '' + extra = '' + if category == 'const' and isinstance(tp, model.StructOrUnion): + extra = 'const *' + ampersand = '&' + prnt(tp.get_c_name(' %s%s(void)' % (extra, funcname), name)) + prnt('{') + prnt(' return (%s%s);' % (ampersand, name)) + prnt('}') + prnt() + + def _generate_gen_constant_decl(self, tp, name): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + self._generate_gen_const(is_int, name, tp) + + _loading_gen_constant = _loaded_noop + + def _load_constant(self, is_int, tp, name, module, check_value=None): + funcname = '_cffi_const_%s' % name + if check_value is not None: + assert is_int + self._load_known_int_constant(module, funcname) + value = check_value + elif is_int: + BType = self.ffi._typeof_locked("long long*")[0] + BFunc = self.ffi._typeof_locked("int(*)(long long*)")[0] + function = module.load_function(BFunc, funcname) + p = self.ffi.new(BType) + negative = function(p) + value = int(p[0]) + if value < 0 and not negative: + BLongLong = self.ffi._typeof_locked("long long")[0] + value += (1 << (8*self.ffi.sizeof(BLongLong))) + else: + assert check_value is None + fntypeextra = '(*)(void)' + if isinstance(tp, model.StructOrUnion): + fntypeextra = '*' + fntypeextra + BFunc = self.ffi._typeof_locked(tp.get_c_name(fntypeextra, name))[0] + function = module.load_function(BFunc, funcname) + value = function() + if isinstance(tp, model.StructOrUnion): + value = value[0] + return value + + def _loaded_gen_constant(self, tp, name, module, library): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + value = self._load_constant(is_int, tp, name, module) + setattr(library, name, value) + type(library)._cffi_dir.append(name) + + # ---------- + # enums + + def _check_int_constant_value(self, name, value): + prnt = self._prnt + if value <= 0: + prnt(' if ((%s) > 0 || (long)(%s) != %dL) {' % ( + name, name, value)) + else: + prnt(' if ((%s) <= 0 || (unsigned long)(%s) != %dUL) {' % ( + name, name, value)) + prnt(' char buf[64];') + prnt(' if ((%s) <= 0)' % name) + prnt(' sprintf(buf, "%%ld", (long)(%s));' % name) + prnt(' else') + prnt(' sprintf(buf, "%%lu", (unsigned long)(%s));' % + name) + prnt(' sprintf(out_error, "%s has the real value %s, not %s",') + prnt(' "%s", buf, "%d");' % (name[:100], value)) + prnt(' return -1;') + prnt(' }') + + def _load_known_int_constant(self, module, funcname): + BType = self.ffi._typeof_locked("char[]")[0] + BFunc = self.ffi._typeof_locked("int(*)(char*)")[0] + function = module.load_function(BFunc, funcname) + p = self.ffi.new(BType, 256) + if function(p) < 0: + error = self.ffi.string(p) + if sys.version_info >= (3,): + error = str(error, 'utf-8') + raise VerificationError(error) + + def _enum_funcname(self, prefix, name): + # "$enum_$1" => "___D_enum____D_1" + name = name.replace('$', '___D_') + return '_cffi_e_%s_%s' % (prefix, name) + + def _generate_gen_enum_decl(self, tp, name, prefix='enum'): + if tp.partial: + for enumerator in tp.enumerators: + self._generate_gen_const(True, enumerator) + return + # + funcname = self._enum_funcname(prefix, name) + self.export_symbols.append(funcname) + prnt = self._prnt + prnt('int %s(char *out_error)' % funcname) + prnt('{') + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + self._check_int_constant_value(enumerator, enumvalue) + prnt(' return 0;') + prnt('}') + prnt() + + def _loading_gen_enum(self, tp, name, module, prefix='enum'): + if tp.partial: + enumvalues = [self._load_constant(True, tp, enumerator, module) + for enumerator in tp.enumerators] + tp.enumvalues = tuple(enumvalues) + tp.partial_resolved = True + else: + funcname = self._enum_funcname(prefix, name) + self._load_known_int_constant(module, funcname) + + def _loaded_gen_enum(self, tp, name, module, library): + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + setattr(library, enumerator, enumvalue) + type(library)._cffi_dir.append(enumerator) + + # ---------- + # macros: for now only for integers + + def _generate_gen_macro_decl(self, tp, name): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + self._generate_gen_const(True, name, check_value=check_value) + + _loading_gen_macro = _loaded_noop + + def _loaded_gen_macro(self, tp, name, module, library): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + value = self._load_constant(True, tp, name, module, + check_value=check_value) + setattr(library, name, value) + type(library)._cffi_dir.append(name) + + # ---------- + # global variables + + def _generate_gen_variable_decl(self, tp, name): + if isinstance(tp, model.ArrayType): + if tp.length_is_unknown(): + prnt = self._prnt + funcname = '_cffi_sizeof_%s' % (name,) + self.export_symbols.append(funcname) + prnt("size_t %s(void)" % funcname) + prnt("{") + prnt(" return sizeof(%s);" % (name,)) + prnt("}") + tp_ptr = model.PointerType(tp.item) + self._generate_gen_const(False, name, tp_ptr) + else: + tp_ptr = model.PointerType(tp) + self._generate_gen_const(False, name, tp_ptr, category='var') + + _loading_gen_variable = _loaded_noop + + def _loaded_gen_variable(self, tp, name, module, library): + if isinstance(tp, model.ArrayType): # int a[5] is "constant" in the + # sense that "a=..." is forbidden + if tp.length_is_unknown(): + funcname = '_cffi_sizeof_%s' % (name,) + BFunc = self.ffi._typeof_locked('size_t(*)(void)')[0] + function = module.load_function(BFunc, funcname) + size = function() + BItemType = self.ffi._get_cached_btype(tp.item) + length, rest = divmod(size, self.ffi.sizeof(BItemType)) + if rest != 0: + raise VerificationError( + "bad size: %r does not seem to be an array of %s" % + (name, tp.item)) + tp = tp.resolve_length(length) + tp_ptr = model.PointerType(tp.item) + value = self._load_constant(False, tp_ptr, name, module) + # 'value' is a which we have to replace with + # a if the N is actually known + if tp.length is not None: + BArray = self.ffi._get_cached_btype(tp) + value = self.ffi.cast(BArray, value) + setattr(library, name, value) + type(library)._cffi_dir.append(name) + return + # remove ptr= from the library instance, and replace + # it by a property on the class, which reads/writes into ptr[0]. + funcname = '_cffi_var_%s' % name + BFunc = self.ffi._typeof_locked(tp.get_c_name('*(*)(void)', name))[0] + function = module.load_function(BFunc, funcname) + ptr = function() + def getter(library): + return ptr[0] + def setter(library, value): + ptr[0] = value + setattr(type(library), name, property(getter, setter)) + type(library)._cffi_dir.append(name) + +cffimod_header = r''' +#include +#include +#include +#include +#include /* XXX for ssize_t on some platforms */ + +/* this block of #ifs should be kept exactly identical between + c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py + and cffi/_cffi_include.h */ +#if defined(_MSC_VER) +# include /* for alloca() */ +# if _MSC_VER < 1600 /* MSVC < 2010 */ + typedef __int8 int8_t; + typedef __int16 int16_t; + typedef __int32 int32_t; + typedef __int64 int64_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; + typedef unsigned __int64 uint64_t; + typedef __int8 int_least8_t; + typedef __int16 int_least16_t; + typedef __int32 int_least32_t; + typedef __int64 int_least64_t; + typedef unsigned __int8 uint_least8_t; + typedef unsigned __int16 uint_least16_t; + typedef unsigned __int32 uint_least32_t; + typedef unsigned __int64 uint_least64_t; + typedef __int8 int_fast8_t; + typedef __int16 int_fast16_t; + typedef __int32 int_fast32_t; + typedef __int64 int_fast64_t; + typedef unsigned __int8 uint_fast8_t; + typedef unsigned __int16 uint_fast16_t; + typedef unsigned __int32 uint_fast32_t; + typedef unsigned __int64 uint_fast64_t; + typedef __int64 intmax_t; + typedef unsigned __int64 uintmax_t; +# else +# include +# endif +# if _MSC_VER < 1800 /* MSVC < 2013 */ +# ifndef __cplusplus + typedef unsigned char _Bool; +# endif +# endif +# define _cffi_float_complex_t _Fcomplex /* include for it */ +# define _cffi_double_complex_t _Dcomplex /* include for it */ +#else +# include +# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux) +# include +# endif +# define _cffi_float_complex_t float _Complex +# define _cffi_double_complex_t double _Complex +#endif +''' diff --git a/venv/lib/python3.12/site-packages/cffi/verifier.py b/venv/lib/python3.12/site-packages/cffi/verifier.py new file mode 100644 index 0000000..e392a2b --- /dev/null +++ b/venv/lib/python3.12/site-packages/cffi/verifier.py @@ -0,0 +1,306 @@ +# +# DEPRECATED: implementation for ffi.verify() +# +import sys, os, binascii, shutil, io +from . import __version_verifier_modules__ +from . import ffiplatform +from .error import VerificationError + +if sys.version_info >= (3, 3): + import importlib.machinery + def _extension_suffixes(): + return importlib.machinery.EXTENSION_SUFFIXES[:] +else: + import imp + def _extension_suffixes(): + return [suffix for suffix, _, type in imp.get_suffixes() + if type == imp.C_EXTENSION] + + +if sys.version_info >= (3,): + NativeIO = io.StringIO +else: + class NativeIO(io.BytesIO): + def write(self, s): + if isinstance(s, unicode): + s = s.encode('ascii') + super(NativeIO, self).write(s) + + +class Verifier(object): + + def __init__(self, ffi, preamble, tmpdir=None, modulename=None, + ext_package=None, tag='', force_generic_engine=False, + source_extension='.c', flags=None, relative_to=None, **kwds): + if ffi._parser._uses_new_feature: + raise VerificationError( + "feature not supported with ffi.verify(), but only " + "with ffi.set_source(): %s" % (ffi._parser._uses_new_feature,)) + self.ffi = ffi + self.preamble = preamble + if not modulename: + flattened_kwds = ffiplatform.flatten(kwds) + vengine_class = _locate_engine_class(ffi, force_generic_engine) + self._vengine = vengine_class(self) + self._vengine.patch_extension_kwds(kwds) + self.flags = flags + self.kwds = self.make_relative_to(kwds, relative_to) + # + if modulename: + if tag: + raise TypeError("can't specify both 'modulename' and 'tag'") + else: + key = '\x00'.join(['%d.%d' % sys.version_info[:2], + __version_verifier_modules__, + preamble, flattened_kwds] + + ffi._cdefsources) + if sys.version_info >= (3,): + key = key.encode('utf-8') + k1 = hex(binascii.crc32(key[0::2]) & 0xffffffff) + k1 = k1.lstrip('0x').rstrip('L') + k2 = hex(binascii.crc32(key[1::2]) & 0xffffffff) + k2 = k2.lstrip('0').rstrip('L') + modulename = '_cffi_%s_%s%s%s' % (tag, self._vengine._class_key, + k1, k2) + suffix = _get_so_suffixes()[0] + self.tmpdir = tmpdir or _caller_dir_pycache() + self.sourcefilename = os.path.join(self.tmpdir, modulename + source_extension) + self.modulefilename = os.path.join(self.tmpdir, modulename + suffix) + self.ext_package = ext_package + self._has_source = False + self._has_module = False + + def write_source(self, file=None): + """Write the C source code. It is produced in 'self.sourcefilename', + which can be tweaked beforehand.""" + with self.ffi._lock: + if self._has_source and file is None: + raise VerificationError( + "source code already written") + self._write_source(file) + + def compile_module(self): + """Write the C source code (if not done already) and compile it. + This produces a dynamic link library in 'self.modulefilename'.""" + with self.ffi._lock: + if self._has_module: + raise VerificationError("module already compiled") + if not self._has_source: + self._write_source() + self._compile_module() + + def load_library(self): + """Get a C module from this Verifier instance. + Returns an instance of a FFILibrary class that behaves like the + objects returned by ffi.dlopen(), but that delegates all + operations to the C module. If necessary, the C code is written + and compiled first. + """ + with self.ffi._lock: + if not self._has_module: + self._locate_module() + if not self._has_module: + if not self._has_source: + self._write_source() + self._compile_module() + return self._load_library() + + def get_module_name(self): + basename = os.path.basename(self.modulefilename) + # kill both the .so extension and the other .'s, as introduced + # by Python 3: 'basename.cpython-33m.so' + basename = basename.split('.', 1)[0] + # and the _d added in Python 2 debug builds --- but try to be + # conservative and not kill a legitimate _d + if basename.endswith('_d') and hasattr(sys, 'gettotalrefcount'): + basename = basename[:-2] + return basename + + def get_extension(self): + if not self._has_source: + with self.ffi._lock: + if not self._has_source: + self._write_source() + sourcename = ffiplatform.maybe_relative_path(self.sourcefilename) + modname = self.get_module_name() + return ffiplatform.get_extension(sourcename, modname, **self.kwds) + + def generates_python_module(self): + return self._vengine._gen_python_module + + def make_relative_to(self, kwds, relative_to): + if relative_to and os.path.dirname(relative_to): + dirname = os.path.dirname(relative_to) + kwds = kwds.copy() + for key in ffiplatform.LIST_OF_FILE_NAMES: + if key in kwds: + lst = kwds[key] + if not isinstance(lst, (list, tuple)): + raise TypeError("keyword '%s' should be a list or tuple" + % (key,)) + lst = [os.path.join(dirname, fn) for fn in lst] + kwds[key] = lst + return kwds + + # ---------- + + def _locate_module(self): + if not os.path.isfile(self.modulefilename): + if self.ext_package: + try: + pkg = __import__(self.ext_package, None, None, ['__doc__']) + except ImportError: + return # cannot import the package itself, give up + # (e.g. it might be called differently before installation) + path = pkg.__path__ + else: + path = None + filename = self._vengine.find_module(self.get_module_name(), path, + _get_so_suffixes()) + if filename is None: + return + self.modulefilename = filename + self._vengine.collect_types() + self._has_module = True + + def _write_source_to(self, file): + self._vengine._f = file + try: + self._vengine.write_source_to_f() + finally: + del self._vengine._f + + def _write_source(self, file=None): + if file is not None: + self._write_source_to(file) + else: + # Write our source file to an in memory file. + f = NativeIO() + self._write_source_to(f) + source_data = f.getvalue() + + # Determine if this matches the current file + if os.path.exists(self.sourcefilename): + with open(self.sourcefilename, "r") as fp: + needs_written = not (fp.read() == source_data) + else: + needs_written = True + + # Actually write the file out if it doesn't match + if needs_written: + _ensure_dir(self.sourcefilename) + with open(self.sourcefilename, "w") as fp: + fp.write(source_data) + + # Set this flag + self._has_source = True + + def _compile_module(self): + # compile this C source + tmpdir = os.path.dirname(self.sourcefilename) + outputfilename = ffiplatform.compile(tmpdir, self.get_extension()) + try: + same = ffiplatform.samefile(outputfilename, self.modulefilename) + except OSError: + same = False + if not same: + _ensure_dir(self.modulefilename) + shutil.move(outputfilename, self.modulefilename) + self._has_module = True + + def _load_library(self): + assert self._has_module + if self.flags is not None: + return self._vengine.load_library(self.flags) + else: + return self._vengine.load_library() + +# ____________________________________________________________ + +_FORCE_GENERIC_ENGINE = False # for tests + +def _locate_engine_class(ffi, force_generic_engine): + if _FORCE_GENERIC_ENGINE: + force_generic_engine = True + if not force_generic_engine: + if '__pypy__' in sys.builtin_module_names: + force_generic_engine = True + else: + try: + import _cffi_backend + except ImportError: + _cffi_backend = '?' + if ffi._backend is not _cffi_backend: + force_generic_engine = True + if force_generic_engine: + from . import vengine_gen + return vengine_gen.VGenericEngine + else: + from . import vengine_cpy + return vengine_cpy.VCPythonEngine + +# ____________________________________________________________ + +_TMPDIR = None + +def _caller_dir_pycache(): + if _TMPDIR: + return _TMPDIR + result = os.environ.get('CFFI_TMPDIR') + if result: + return result + filename = sys._getframe(2).f_code.co_filename + return os.path.abspath(os.path.join(os.path.dirname(filename), + '__pycache__')) + +def set_tmpdir(dirname): + """Set the temporary directory to use instead of __pycache__.""" + global _TMPDIR + _TMPDIR = dirname + +def cleanup_tmpdir(tmpdir=None, keep_so=False): + """Clean up the temporary directory by removing all files in it + called `_cffi_*.{c,so}` as well as the `build` subdirectory.""" + tmpdir = tmpdir or _caller_dir_pycache() + try: + filelist = os.listdir(tmpdir) + except OSError: + return + if keep_so: + suffix = '.c' # only remove .c files + else: + suffix = _get_so_suffixes()[0].lower() + for fn in filelist: + if fn.lower().startswith('_cffi_') and ( + fn.lower().endswith(suffix) or fn.lower().endswith('.c')): + try: + os.unlink(os.path.join(tmpdir, fn)) + except OSError: + pass + clean_dir = [os.path.join(tmpdir, 'build')] + for dir in clean_dir: + try: + for fn in os.listdir(dir): + fn = os.path.join(dir, fn) + if os.path.isdir(fn): + clean_dir.append(fn) + else: + os.unlink(fn) + except OSError: + pass + +def _get_so_suffixes(): + suffixes = _extension_suffixes() + if not suffixes: + # bah, no C_EXTENSION available. Occurs on pypy without cpyext + if sys.platform == 'win32': + suffixes = [".pyd"] + else: + suffixes = [".so"] + + return suffixes + +def _ensure_dir(filename): + dirname = os.path.dirname(filename) + if dirname and not os.path.isdir(dirname): + os.makedirs(dirname) diff --git a/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/LICENSE b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/LICENSE new file mode 100644 index 0000000..ad82355 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2019 TAHRI Ahmed R. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/METADATA b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/METADATA new file mode 100644 index 0000000..822550e --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/METADATA @@ -0,0 +1,683 @@ +Metadata-Version: 2.1 +Name: charset-normalizer +Version: 3.3.2 +Summary: The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet. +Home-page: https://github.com/Ousret/charset_normalizer +Author: Ahmed TAHRI +Author-email: ahmed.tahri@cloudnursery.dev +License: MIT +Project-URL: Bug Reports, https://github.com/Ousret/charset_normalizer/issues +Project-URL: Documentation, https://charset-normalizer.readthedocs.io/en/latest +Keywords: encoding,charset,charset-detector,detector,normalization,unicode,chardet,detect +Classifier: Development Status :: 5 - Production/Stable +Classifier: License :: OSI Approved :: MIT License +Classifier: Intended Audience :: Developers +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: 3.12 +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Text Processing :: Linguistic +Classifier: Topic :: Utilities +Classifier: Typing :: Typed +Requires-Python: >=3.7.0 +Description-Content-Type: text/markdown +License-File: LICENSE +Provides-Extra: unicode_backport + +

Charset Detection, for Everyone 👋

+ +

+ The Real First Universal Charset Detector
+ + + + + Download Count Total + + + + +

+

+ Featured Packages
+ + Static Badge + + + Static Badge + +

+

+ In other language (unofficial port - by the community)
+ + Static Badge + +

+ +> A library that helps you read text from an unknown charset encoding.
Motivated by `chardet`, +> I'm trying to resolve the issue by taking a new approach. +> All IANA character set names for which the Python core library provides codecs are supported. + +

+ >>>>> 👉 Try Me Online Now, Then Adopt Me 👈 <<<<< +

+ +This project offers you an alternative to **Universal Charset Encoding Detector**, also known as **Chardet**. + +| Feature | [Chardet](https://github.com/chardet/chardet) | Charset Normalizer | [cChardet](https://github.com/PyYoshi/cChardet) | +|--------------------------------------------------|:---------------------------------------------:|:--------------------------------------------------------------------------------------------------:|:-----------------------------------------------:| +| `Fast` | ❌ | ✅ | ✅ | +| `Universal**` | ❌ | ✅ | ❌ | +| `Reliable` **without** distinguishable standards | ❌ | ✅ | ✅ | +| `Reliable` **with** distinguishable standards | ✅ | ✅ | ✅ | +| `License` | LGPL-2.1
_restrictive_ | MIT | MPL-1.1
_restrictive_ | +| `Native Python` | ✅ | ✅ | ❌ | +| `Detect spoken language` | ❌ | ✅ | N/A | +| `UnicodeDecodeError Safety` | ❌ | ✅ | ❌ | +| `Whl Size (min)` | 193.6 kB | 42 kB | ~200 kB | +| `Supported Encoding` | 33 | 🎉 [99](https://charset-normalizer.readthedocs.io/en/latest/user/support.html#supported-encodings) | 40 | + +

+Reading Normalized TextCat Reading Text +

+ +*\*\* : They are clearly using specific code for a specific encoding even if covering most of used one*
+Did you got there because of the logs? See [https://charset-normalizer.readthedocs.io/en/latest/user/miscellaneous.html](https://charset-normalizer.readthedocs.io/en/latest/user/miscellaneous.html) + +## ⚡ Performance + +This package offer better performance than its counterpart Chardet. Here are some numbers. + +| Package | Accuracy | Mean per file (ms) | File per sec (est) | +|-----------------------------------------------|:--------:|:------------------:|:------------------:| +| [chardet](https://github.com/chardet/chardet) | 86 % | 200 ms | 5 file/sec | +| charset-normalizer | **98 %** | **10 ms** | 100 file/sec | + +| Package | 99th percentile | 95th percentile | 50th percentile | +|-----------------------------------------------|:---------------:|:---------------:|:---------------:| +| [chardet](https://github.com/chardet/chardet) | 1200 ms | 287 ms | 23 ms | +| charset-normalizer | 100 ms | 50 ms | 5 ms | + +Chardet's performance on larger file (1MB+) are very poor. Expect huge difference on large payload. + +> Stats are generated using 400+ files using default parameters. More details on used files, see GHA workflows. +> And yes, these results might change at any time. The dataset can be updated to include more files. +> The actual delays heavily depends on your CPU capabilities. The factors should remain the same. +> Keep in mind that the stats are generous and that Chardet accuracy vs our is measured using Chardet initial capability +> (eg. Supported Encoding) Challenge-them if you want. + +## ✨ Installation + +Using pip: + +```sh +pip install charset-normalizer -U +``` + +## 🚀 Basic Usage + +### CLI +This package comes with a CLI. + +``` +usage: normalizer [-h] [-v] [-a] [-n] [-m] [-r] [-f] [-t THRESHOLD] + file [file ...] + +The Real First Universal Charset Detector. Discover originating encoding used +on text file. Normalize text to unicode. + +positional arguments: + files File(s) to be analysed + +optional arguments: + -h, --help show this help message and exit + -v, --verbose Display complementary information about file if any. + Stdout will contain logs about the detection process. + -a, --with-alternative + Output complementary possibilities if any. Top-level + JSON WILL be a list. + -n, --normalize Permit to normalize input file. If not set, program + does not write anything. + -m, --minimal Only output the charset detected to STDOUT. Disabling + JSON output. + -r, --replace Replace file when trying to normalize it instead of + creating a new one. + -f, --force Replace file without asking if you are sure, use this + flag with caution. + -t THRESHOLD, --threshold THRESHOLD + Define a custom maximum amount of chaos allowed in + decoded content. 0. <= chaos <= 1. + --version Show version information and exit. +``` + +```bash +normalizer ./data/sample.1.fr.srt +``` + +or + +```bash +python -m charset_normalizer ./data/sample.1.fr.srt +``` + +🎉 Since version 1.4.0 the CLI produce easily usable stdout result in JSON format. + +```json +{ + "path": "/home/default/projects/charset_normalizer/data/sample.1.fr.srt", + "encoding": "cp1252", + "encoding_aliases": [ + "1252", + "windows_1252" + ], + "alternative_encodings": [ + "cp1254", + "cp1256", + "cp1258", + "iso8859_14", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_9", + "latin_1", + "mbcs" + ], + "language": "French", + "alphabets": [ + "Basic Latin", + "Latin-1 Supplement" + ], + "has_sig_or_bom": false, + "chaos": 0.149, + "coherence": 97.152, + "unicode_path": null, + "is_preferred": true +} +``` + +### Python +*Just print out normalized text* +```python +from charset_normalizer import from_path + +results = from_path('./my_subtitle.srt') + +print(str(results.best())) +``` + +*Upgrade your code without effort* +```python +from charset_normalizer import detect +``` + +The above code will behave the same as **chardet**. We ensure that we offer the best (reasonable) BC result possible. + +See the docs for advanced usage : [readthedocs.io](https://charset-normalizer.readthedocs.io/en/latest/) + +## 😇 Why + +When I started using Chardet, I noticed that it was not suited to my expectations, and I wanted to propose a +reliable alternative using a completely different method. Also! I never back down on a good challenge! + +I **don't care** about the **originating charset** encoding, because **two different tables** can +produce **two identical rendered string.** +What I want is to get readable text, the best I can. + +In a way, **I'm brute forcing text decoding.** How cool is that ? 😎 + +Don't confuse package **ftfy** with charset-normalizer or chardet. ftfy goal is to repair unicode string whereas charset-normalizer to convert raw file in unknown encoding to unicode. + +## 🍰 How + + - Discard all charset encoding table that could not fit the binary content. + - Measure noise, or the mess once opened (by chunks) with a corresponding charset encoding. + - Extract matches with the lowest mess detected. + - Additionally, we measure coherence / probe for a language. + +**Wait a minute**, what is noise/mess and coherence according to **YOU ?** + +*Noise :* I opened hundred of text files, **written by humans**, with the wrong encoding table. **I observed**, then +**I established** some ground rules about **what is obvious** when **it seems like** a mess. + I know that my interpretation of what is noise is probably incomplete, feel free to contribute in order to + improve or rewrite it. + +*Coherence :* For each language there is on earth, we have computed ranked letter appearance occurrences (the best we can). So I thought +that intel is worth something here. So I use those records against decoded text to check if I can detect intelligent design. + +## ⚡ Known limitations + + - Language detection is unreliable when text contains two or more languages sharing identical letters. (eg. HTML (english tags) + Turkish content (Sharing Latin characters)) + - Every charset detector heavily depends on sufficient content. In common cases, do not bother run detection on very tiny content. + +## ⚠️ About Python EOLs + +**If you are running:** + +- Python >=2.7,<3.5: Unsupported +- Python 3.5: charset-normalizer < 2.1 +- Python 3.6: charset-normalizer < 3.1 +- Python 3.7: charset-normalizer < 4.0 + +Upgrade your Python interpreter as soon as possible. + +## 👤 Contributing + +Contributions, issues and feature requests are very much welcome.
+Feel free to check [issues page](https://github.com/ousret/charset_normalizer/issues) if you want to contribute. + +## 📝 License + +Copyright © [Ahmed TAHRI @Ousret](https://github.com/Ousret).
+This project is [MIT](https://github.com/Ousret/charset_normalizer/blob/master/LICENSE) licensed. + +Characters frequencies used in this project © 2012 [Denny Vrandečić](http://simia.net/letters/) + +## 💼 For Enterprise + +Professional support for charset-normalizer is available as part of the [Tidelift +Subscription][1]. Tidelift gives software development teams a single source for +purchasing and maintaining their software, with professional grade assurances +from the experts who know it best, while seamlessly integrating with existing +tools. + +[1]: https://tidelift.com/subscription/pkg/pypi-charset-normalizer?utm_source=pypi-charset-normalizer&utm_medium=readme + +# Changelog +All notable changes to charset-normalizer will be documented in this file. This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). +The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). + +## [3.3.2](https://github.com/Ousret/charset_normalizer/compare/3.3.1...3.3.2) (2023-10-31) + +### Fixed +- Unintentional memory usage regression when using large payload that match several encoding (#376) +- Regression on some detection case showcased in the documentation (#371) + +### Added +- Noise (md) probe that identify malformed arabic representation due to the presence of letters in isolated form (credit to my wife) + +## [3.3.1](https://github.com/Ousret/charset_normalizer/compare/3.3.0...3.3.1) (2023-10-22) + +### Changed +- Optional mypyc compilation upgraded to version 1.6.1 for Python >= 3.8 +- Improved the general detection reliability based on reports from the community + +## [3.3.0](https://github.com/Ousret/charset_normalizer/compare/3.2.0...3.3.0) (2023-09-30) + +### Added +- Allow to execute the CLI (e.g. normalizer) through `python -m charset_normalizer.cli` or `python -m charset_normalizer` +- Support for 9 forgotten encoding that are supported by Python but unlisted in `encoding.aliases` as they have no alias (#323) + +### Removed +- (internal) Redundant utils.is_ascii function and unused function is_private_use_only +- (internal) charset_normalizer.assets is moved inside charset_normalizer.constant + +### Changed +- (internal) Unicode code blocks in constants are updated using the latest v15.0.0 definition to improve detection +- Optional mypyc compilation upgraded to version 1.5.1 for Python >= 3.8 + +### Fixed +- Unable to properly sort CharsetMatch when both chaos/noise and coherence were close due to an unreachable condition in \_\_lt\_\_ (#350) + +## [3.2.0](https://github.com/Ousret/charset_normalizer/compare/3.1.0...3.2.0) (2023-06-07) + +### Changed +- Typehint for function `from_path` no longer enforce `PathLike` as its first argument +- Minor improvement over the global detection reliability + +### Added +- Introduce function `is_binary` that relies on main capabilities, and optimized to detect binaries +- Propagate `enable_fallback` argument throughout `from_bytes`, `from_path`, and `from_fp` that allow a deeper control over the detection (default True) +- Explicit support for Python 3.12 + +### Fixed +- Edge case detection failure where a file would contain 'very-long' camel cased word (Issue #289) + +## [3.1.0](https://github.com/Ousret/charset_normalizer/compare/3.0.1...3.1.0) (2023-03-06) + +### Added +- Argument `should_rename_legacy` for legacy function `detect` and disregard any new arguments without errors (PR #262) + +### Removed +- Support for Python 3.6 (PR #260) + +### Changed +- Optional speedup provided by mypy/c 1.0.1 + +## [3.0.1](https://github.com/Ousret/charset_normalizer/compare/3.0.0...3.0.1) (2022-11-18) + +### Fixed +- Multi-bytes cutter/chunk generator did not always cut correctly (PR #233) + +### Changed +- Speedup provided by mypy/c 0.990 on Python >= 3.7 + +## [3.0.0](https://github.com/Ousret/charset_normalizer/compare/2.1.1...3.0.0) (2022-10-20) + +### Added +- Extend the capability of explain=True when cp_isolation contains at most two entries (min one), will log in details of the Mess-detector results +- Support for alternative language frequency set in charset_normalizer.assets.FREQUENCIES +- Add parameter `language_threshold` in `from_bytes`, `from_path` and `from_fp` to adjust the minimum expected coherence ratio +- `normalizer --version` now specify if current version provide extra speedup (meaning mypyc compilation whl) + +### Changed +- Build with static metadata using 'build' frontend +- Make the language detection stricter +- Optional: Module `md.py` can be compiled using Mypyc to provide an extra speedup up to 4x faster than v2.1 + +### Fixed +- CLI with opt --normalize fail when using full path for files +- TooManyAccentuatedPlugin induce false positive on the mess detection when too few alpha character have been fed to it +- Sphinx warnings when generating the documentation + +### Removed +- Coherence detector no longer return 'Simple English' instead return 'English' +- Coherence detector no longer return 'Classical Chinese' instead return 'Chinese' +- Breaking: Method `first()` and `best()` from CharsetMatch +- UTF-7 will no longer appear as "detected" without a recognized SIG/mark (is unreliable/conflict with ASCII) +- Breaking: Class aliases CharsetDetector, CharsetDoctor, CharsetNormalizerMatch and CharsetNormalizerMatches +- Breaking: Top-level function `normalize` +- Breaking: Properties `chaos_secondary_pass`, `coherence_non_latin` and `w_counter` from CharsetMatch +- Support for the backport `unicodedata2` + +## [3.0.0rc1](https://github.com/Ousret/charset_normalizer/compare/3.0.0b2...3.0.0rc1) (2022-10-18) + +### Added +- Extend the capability of explain=True when cp_isolation contains at most two entries (min one), will log in details of the Mess-detector results +- Support for alternative language frequency set in charset_normalizer.assets.FREQUENCIES +- Add parameter `language_threshold` in `from_bytes`, `from_path` and `from_fp` to adjust the minimum expected coherence ratio + +### Changed +- Build with static metadata using 'build' frontend +- Make the language detection stricter + +### Fixed +- CLI with opt --normalize fail when using full path for files +- TooManyAccentuatedPlugin induce false positive on the mess detection when too few alpha character have been fed to it + +### Removed +- Coherence detector no longer return 'Simple English' instead return 'English' +- Coherence detector no longer return 'Classical Chinese' instead return 'Chinese' + +## [3.0.0b2](https://github.com/Ousret/charset_normalizer/compare/3.0.0b1...3.0.0b2) (2022-08-21) + +### Added +- `normalizer --version` now specify if current version provide extra speedup (meaning mypyc compilation whl) + +### Removed +- Breaking: Method `first()` and `best()` from CharsetMatch +- UTF-7 will no longer appear as "detected" without a recognized SIG/mark (is unreliable/conflict with ASCII) + +### Fixed +- Sphinx warnings when generating the documentation + +## [3.0.0b1](https://github.com/Ousret/charset_normalizer/compare/2.1.0...3.0.0b1) (2022-08-15) + +### Changed +- Optional: Module `md.py` can be compiled using Mypyc to provide an extra speedup up to 4x faster than v2.1 + +### Removed +- Breaking: Class aliases CharsetDetector, CharsetDoctor, CharsetNormalizerMatch and CharsetNormalizerMatches +- Breaking: Top-level function `normalize` +- Breaking: Properties `chaos_secondary_pass`, `coherence_non_latin` and `w_counter` from CharsetMatch +- Support for the backport `unicodedata2` + +## [2.1.1](https://github.com/Ousret/charset_normalizer/compare/2.1.0...2.1.1) (2022-08-19) + +### Deprecated +- Function `normalize` scheduled for removal in 3.0 + +### Changed +- Removed useless call to decode in fn is_unprintable (#206) + +### Fixed +- Third-party library (i18n xgettext) crashing not recognizing utf_8 (PEP 263) with underscore from [@aleksandernovikov](https://github.com/aleksandernovikov) (#204) + +## [2.1.0](https://github.com/Ousret/charset_normalizer/compare/2.0.12...2.1.0) (2022-06-19) + +### Added +- Output the Unicode table version when running the CLI with `--version` (PR #194) + +### Changed +- Re-use decoded buffer for single byte character sets from [@nijel](https://github.com/nijel) (PR #175) +- Fixing some performance bottlenecks from [@deedy5](https://github.com/deedy5) (PR #183) + +### Fixed +- Workaround potential bug in cpython with Zero Width No-Break Space located in Arabic Presentation Forms-B, Unicode 1.1 not acknowledged as space (PR #175) +- CLI default threshold aligned with the API threshold from [@oleksandr-kuzmenko](https://github.com/oleksandr-kuzmenko) (PR #181) + +### Removed +- Support for Python 3.5 (PR #192) + +### Deprecated +- Use of backport unicodedata from `unicodedata2` as Python is quickly catching up, scheduled for removal in 3.0 (PR #194) + +## [2.0.12](https://github.com/Ousret/charset_normalizer/compare/2.0.11...2.0.12) (2022-02-12) + +### Fixed +- ASCII miss-detection on rare cases (PR #170) + +## [2.0.11](https://github.com/Ousret/charset_normalizer/compare/2.0.10...2.0.11) (2022-01-30) + +### Added +- Explicit support for Python 3.11 (PR #164) + +### Changed +- The logging behavior have been completely reviewed, now using only TRACE and DEBUG levels (PR #163 #165) + +## [2.0.10](https://github.com/Ousret/charset_normalizer/compare/2.0.9...2.0.10) (2022-01-04) + +### Fixed +- Fallback match entries might lead to UnicodeDecodeError for large bytes sequence (PR #154) + +### Changed +- Skipping the language-detection (CD) on ASCII (PR #155) + +## [2.0.9](https://github.com/Ousret/charset_normalizer/compare/2.0.8...2.0.9) (2021-12-03) + +### Changed +- Moderating the logging impact (since 2.0.8) for specific environments (PR #147) + +### Fixed +- Wrong logging level applied when setting kwarg `explain` to True (PR #146) + +## [2.0.8](https://github.com/Ousret/charset_normalizer/compare/2.0.7...2.0.8) (2021-11-24) +### Changed +- Improvement over Vietnamese detection (PR #126) +- MD improvement on trailing data and long foreign (non-pure latin) data (PR #124) +- Efficiency improvements in cd/alphabet_languages from [@adbar](https://github.com/adbar) (PR #122) +- call sum() without an intermediary list following PEP 289 recommendations from [@adbar](https://github.com/adbar) (PR #129) +- Code style as refactored by Sourcery-AI (PR #131) +- Minor adjustment on the MD around european words (PR #133) +- Remove and replace SRTs from assets / tests (PR #139) +- Initialize the library logger with a `NullHandler` by default from [@nmaynes](https://github.com/nmaynes) (PR #135) +- Setting kwarg `explain` to True will add provisionally (bounded to function lifespan) a specific stream handler (PR #135) + +### Fixed +- Fix large (misleading) sequence giving UnicodeDecodeError (PR #137) +- Avoid using too insignificant chunk (PR #137) + +### Added +- Add and expose function `set_logging_handler` to configure a specific StreamHandler from [@nmaynes](https://github.com/nmaynes) (PR #135) +- Add `CHANGELOG.md` entries, format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) (PR #141) + +## [2.0.7](https://github.com/Ousret/charset_normalizer/compare/2.0.6...2.0.7) (2021-10-11) +### Added +- Add support for Kazakh (Cyrillic) language detection (PR #109) + +### Changed +- Further, improve inferring the language from a given single-byte code page (PR #112) +- Vainly trying to leverage PEP263 when PEP3120 is not supported (PR #116) +- Refactoring for potential performance improvements in loops from [@adbar](https://github.com/adbar) (PR #113) +- Various detection improvement (MD+CD) (PR #117) + +### Removed +- Remove redundant logging entry about detected language(s) (PR #115) + +### Fixed +- Fix a minor inconsistency between Python 3.5 and other versions regarding language detection (PR #117 #102) + +## [2.0.6](https://github.com/Ousret/charset_normalizer/compare/2.0.5...2.0.6) (2021-09-18) +### Fixed +- Unforeseen regression with the loss of the backward-compatibility with some older minor of Python 3.5.x (PR #100) +- Fix CLI crash when using --minimal output in certain cases (PR #103) + +### Changed +- Minor improvement to the detection efficiency (less than 1%) (PR #106 #101) + +## [2.0.5](https://github.com/Ousret/charset_normalizer/compare/2.0.4...2.0.5) (2021-09-14) +### Changed +- The project now comply with: flake8, mypy, isort and black to ensure a better overall quality (PR #81) +- The BC-support with v1.x was improved, the old staticmethods are restored (PR #82) +- The Unicode detection is slightly improved (PR #93) +- Add syntax sugar \_\_bool\_\_ for results CharsetMatches list-container (PR #91) + +### Removed +- The project no longer raise warning on tiny content given for detection, will be simply logged as warning instead (PR #92) + +### Fixed +- In some rare case, the chunks extractor could cut in the middle of a multi-byte character and could mislead the mess detection (PR #95) +- Some rare 'space' characters could trip up the UnprintablePlugin/Mess detection (PR #96) +- The MANIFEST.in was not exhaustive (PR #78) + +## [2.0.4](https://github.com/Ousret/charset_normalizer/compare/2.0.3...2.0.4) (2021-07-30) +### Fixed +- The CLI no longer raise an unexpected exception when no encoding has been found (PR #70) +- Fix accessing the 'alphabets' property when the payload contains surrogate characters (PR #68) +- The logger could mislead (explain=True) on detected languages and the impact of one MBCS match (PR #72) +- Submatch factoring could be wrong in rare edge cases (PR #72) +- Multiple files given to the CLI were ignored when publishing results to STDOUT. (After the first path) (PR #72) +- Fix line endings from CRLF to LF for certain project files (PR #67) + +### Changed +- Adjust the MD to lower the sensitivity, thus improving the global detection reliability (PR #69 #76) +- Allow fallback on specified encoding if any (PR #71) + +## [2.0.3](https://github.com/Ousret/charset_normalizer/compare/2.0.2...2.0.3) (2021-07-16) +### Changed +- Part of the detection mechanism has been improved to be less sensitive, resulting in more accurate detection results. Especially ASCII. (PR #63) +- According to the community wishes, the detection will fall back on ASCII or UTF-8 in a last-resort case. (PR #64) + +## [2.0.2](https://github.com/Ousret/charset_normalizer/compare/2.0.1...2.0.2) (2021-07-15) +### Fixed +- Empty/Too small JSON payload miss-detection fixed. Report from [@tseaver](https://github.com/tseaver) (PR #59) + +### Changed +- Don't inject unicodedata2 into sys.modules from [@akx](https://github.com/akx) (PR #57) + +## [2.0.1](https://github.com/Ousret/charset_normalizer/compare/2.0.0...2.0.1) (2021-07-13) +### Fixed +- Make it work where there isn't a filesystem available, dropping assets frequencies.json. Report from [@sethmlarson](https://github.com/sethmlarson). (PR #55) +- Using explain=False permanently disable the verbose output in the current runtime (PR #47) +- One log entry (language target preemptive) was not show in logs when using explain=True (PR #47) +- Fix undesired exception (ValueError) on getitem of instance CharsetMatches (PR #52) + +### Changed +- Public function normalize default args values were not aligned with from_bytes (PR #53) + +### Added +- You may now use charset aliases in cp_isolation and cp_exclusion arguments (PR #47) + +## [2.0.0](https://github.com/Ousret/charset_normalizer/compare/1.4.1...2.0.0) (2021-07-02) +### Changed +- 4x to 5 times faster than the previous 1.4.0 release. At least 2x faster than Chardet. +- Accent has been made on UTF-8 detection, should perform rather instantaneous. +- The backward compatibility with Chardet has been greatly improved. The legacy detect function returns an identical charset name whenever possible. +- The detection mechanism has been slightly improved, now Turkish content is detected correctly (most of the time) +- The program has been rewritten to ease the readability and maintainability. (+Using static typing)+ +- utf_7 detection has been reinstated. + +### Removed +- This package no longer require anything when used with Python 3.5 (Dropped cached_property) +- Removed support for these languages: Catalan, Esperanto, Kazakh, Baque, Volapük, Azeri, Galician, Nynorsk, Macedonian, and Serbocroatian. +- The exception hook on UnicodeDecodeError has been removed. + +### Deprecated +- Methods coherence_non_latin, w_counter, chaos_secondary_pass of the class CharsetMatch are now deprecated and scheduled for removal in v3.0 + +### Fixed +- The CLI output used the relative path of the file(s). Should be absolute. + +## [1.4.1](https://github.com/Ousret/charset_normalizer/compare/1.4.0...1.4.1) (2021-05-28) +### Fixed +- Logger configuration/usage no longer conflict with others (PR #44) + +## [1.4.0](https://github.com/Ousret/charset_normalizer/compare/1.3.9...1.4.0) (2021-05-21) +### Removed +- Using standard logging instead of using the package loguru. +- Dropping nose test framework in favor of the maintained pytest. +- Choose to not use dragonmapper package to help with gibberish Chinese/CJK text. +- Require cached_property only for Python 3.5 due to constraint. Dropping for every other interpreter version. +- Stop support for UTF-7 that does not contain a SIG. +- Dropping PrettyTable, replaced with pure JSON output in CLI. + +### Fixed +- BOM marker in a CharsetNormalizerMatch instance could be False in rare cases even if obviously present. Due to the sub-match factoring process. +- Not searching properly for the BOM when trying utf32/16 parent codec. + +### Changed +- Improving the package final size by compressing frequencies.json. +- Huge improvement over the larges payload. + +### Added +- CLI now produces JSON consumable output. +- Return ASCII if given sequences fit. Given reasonable confidence. + +## [1.3.9](https://github.com/Ousret/charset_normalizer/compare/1.3.8...1.3.9) (2021-05-13) + +### Fixed +- In some very rare cases, you may end up getting encode/decode errors due to a bad bytes payload (PR #40) + +## [1.3.8](https://github.com/Ousret/charset_normalizer/compare/1.3.7...1.3.8) (2021-05-12) + +### Fixed +- Empty given payload for detection may cause an exception if trying to access the `alphabets` property. (PR #39) + +## [1.3.7](https://github.com/Ousret/charset_normalizer/compare/1.3.6...1.3.7) (2021-05-12) + +### Fixed +- The legacy detect function should return UTF-8-SIG if sig is present in the payload. (PR #38) + +## [1.3.6](https://github.com/Ousret/charset_normalizer/compare/1.3.5...1.3.6) (2021-02-09) + +### Changed +- Amend the previous release to allow prettytable 2.0 (PR #35) + +## [1.3.5](https://github.com/Ousret/charset_normalizer/compare/1.3.4...1.3.5) (2021-02-08) + +### Fixed +- Fix error while using the package with a python pre-release interpreter (PR #33) + +### Changed +- Dependencies refactoring, constraints revised. + +### Added +- Add python 3.9 and 3.10 to the supported interpreters + +MIT License + +Copyright (c) 2019 TAHRI Ahmed R. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/RECORD b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/RECORD new file mode 100644 index 0000000..b5b7296 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/RECORD @@ -0,0 +1,35 @@ +../../../bin/normalizer,sha256=DsFcIcFGxdqJkEV6fSal-_oYz00rWqKCn83kFemJK3g,275 +charset_normalizer-3.3.2.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +charset_normalizer-3.3.2.dist-info/LICENSE,sha256=6zGgxaT7Cbik4yBV0lweX5w1iidS_vPNcgIT0cz-4kE,1070 +charset_normalizer-3.3.2.dist-info/METADATA,sha256=cfLhl5A6SI-F0oclm8w8ux9wshL1nipdeCdVnYb4AaA,33550 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a/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/entry_points.txt b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/entry_points.txt new file mode 100644 index 0000000..65619e7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/entry_points.txt @@ -0,0 +1,2 @@ +[console_scripts] +normalizer = charset_normalizer.cli:cli_detect diff --git a/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/top_level.txt new file mode 100644 index 0000000..66958f0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer-3.3.2.dist-info/top_level.txt @@ -0,0 +1 @@ +charset_normalizer diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/__init__.py b/venv/lib/python3.12/site-packages/charset_normalizer/__init__.py new file mode 100644 index 0000000..55991fc --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/__init__.py @@ -0,0 +1,46 @@ +# -*- coding: utf-8 -*- +""" +Charset-Normalizer +~~~~~~~~~~~~~~ +The Real First Universal Charset Detector. +A library that helps you read text from an unknown charset encoding. +Motivated by chardet, This package is trying to resolve the issue by taking a new approach. +All IANA character set names for which the Python core library provides codecs are supported. + +Basic usage: + >>> from charset_normalizer import from_bytes + >>> results = from_bytes('Bсеки човек има право на образование. Oбразованието!'.encode('utf_8')) + >>> best_guess = results.best() + >>> str(best_guess) + 'Bсеки човек има право на образование. Oбразованието!' + +Others methods and usages are available - see the full documentation +at . +:copyright: (c) 2021 by Ahmed TAHRI +:license: MIT, see LICENSE for more details. +""" +import logging + +from .api import from_bytes, from_fp, from_path, is_binary +from .legacy import detect +from .models import CharsetMatch, CharsetMatches +from .utils import set_logging_handler +from .version import VERSION, __version__ + +__all__ = ( + "from_fp", + "from_path", + "from_bytes", + "is_binary", + "detect", + "CharsetMatch", + "CharsetMatches", + "__version__", + "VERSION", + "set_logging_handler", +) + +# Attach a NullHandler to the top level logger by default +# https://docs.python.org/3.3/howto/logging.html#configuring-logging-for-a-library + +logging.getLogger("charset_normalizer").addHandler(logging.NullHandler()) diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/__main__.py b/venv/lib/python3.12/site-packages/charset_normalizer/__main__.py new file mode 100644 index 0000000..beae2ef --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/__main__.py @@ -0,0 +1,4 @@ +from .cli import cli_detect + +if __name__ == "__main__": + cli_detect() diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/charset_normalizer/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..01315ff Binary files /dev/null and b/venv/lib/python3.12/site-packages/charset_normalizer/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/__pycache__/__main__.cpython-312.pyc b/venv/lib/python3.12/site-packages/charset_normalizer/__pycache__/__main__.cpython-312.pyc new file mode 100644 index 0000000..4bb9826 Binary files /dev/null and b/venv/lib/python3.12/site-packages/charset_normalizer/__pycache__/__main__.cpython-312.pyc differ diff --git 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b/venv/lib/python3.12/site-packages/charset_normalizer/api.py new file mode 100644 index 0000000..0ba08e3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/api.py @@ -0,0 +1,626 @@ +import logging +from os import PathLike +from typing import BinaryIO, List, Optional, Set, Union + +from .cd import ( + coherence_ratio, + encoding_languages, + mb_encoding_languages, + merge_coherence_ratios, +) +from .constant import IANA_SUPPORTED, TOO_BIG_SEQUENCE, TOO_SMALL_SEQUENCE, TRACE +from .md import mess_ratio +from .models import CharsetMatch, CharsetMatches +from .utils import ( + any_specified_encoding, + cut_sequence_chunks, + iana_name, + identify_sig_or_bom, + is_cp_similar, + is_multi_byte_encoding, + should_strip_sig_or_bom, +) + +# Will most likely be controversial +# logging.addLevelName(TRACE, "TRACE") +logger = logging.getLogger("charset_normalizer") +explain_handler = logging.StreamHandler() +explain_handler.setFormatter( + logging.Formatter("%(asctime)s | %(levelname)s | %(message)s") +) + + +def from_bytes( + sequences: Union[bytes, bytearray], + steps: int = 5, + chunk_size: int = 512, + threshold: float = 0.2, + cp_isolation: Optional[List[str]] = None, + cp_exclusion: Optional[List[str]] = None, + preemptive_behaviour: bool = True, + explain: bool = False, + language_threshold: float = 0.1, + enable_fallback: bool = True, +) -> CharsetMatches: + """ + Given a raw bytes sequence, return the best possibles charset usable to render str objects. + If there is no results, it is a strong indicator that the source is binary/not text. + By default, the process will extract 5 blocks of 512o each to assess the mess and coherence of a given sequence. + And will give up a particular code page after 20% of measured mess. Those criteria are customizable at will. + + The preemptive behavior DOES NOT replace the traditional detection workflow, it prioritize a particular code page + but never take it for granted. Can improve the performance. + + You may want to focus your attention to some code page or/and not others, use cp_isolation and cp_exclusion for that + purpose. + + This function will strip the SIG in the payload/sequence every time except on UTF-16, UTF-32. + By default the library does not setup any handler other than the NullHandler, if you choose to set the 'explain' + toggle to True it will alter the logger configuration to add a StreamHandler that is suitable for debugging. + Custom logging format and handler can be set manually. + """ + + if not isinstance(sequences, (bytearray, bytes)): + raise TypeError( + "Expected object of type bytes or bytearray, got: {0}".format( + type(sequences) + ) + ) + + if explain: + previous_logger_level: int = logger.level + logger.addHandler(explain_handler) + logger.setLevel(TRACE) + + length: int = len(sequences) + + if length == 0: + logger.debug("Encoding detection on empty bytes, assuming utf_8 intention.") + if explain: + logger.removeHandler(explain_handler) + logger.setLevel(previous_logger_level or logging.WARNING) + return CharsetMatches([CharsetMatch(sequences, "utf_8", 0.0, False, [], "")]) + + if cp_isolation is not None: + logger.log( + TRACE, + "cp_isolation is set. use this flag for debugging purpose. " + "limited list of encoding allowed : %s.", + ", ".join(cp_isolation), + ) + cp_isolation = [iana_name(cp, False) for cp in cp_isolation] + else: + cp_isolation = [] + + if cp_exclusion is not None: + logger.log( + TRACE, + "cp_exclusion is set. use this flag for debugging purpose. " + "limited list of encoding excluded : %s.", + ", ".join(cp_exclusion), + ) + cp_exclusion = [iana_name(cp, False) for cp in cp_exclusion] + else: + cp_exclusion = [] + + if length <= (chunk_size * steps): + logger.log( + TRACE, + "override steps (%i) and chunk_size (%i) as content does not fit (%i byte(s) given) parameters.", + steps, + chunk_size, + length, + ) + steps = 1 + chunk_size = length + + if steps > 1 and length / steps < chunk_size: + chunk_size = int(length / steps) + + is_too_small_sequence: bool = len(sequences) < TOO_SMALL_SEQUENCE + is_too_large_sequence: bool = len(sequences) >= TOO_BIG_SEQUENCE + + if is_too_small_sequence: + logger.log( + TRACE, + "Trying to detect encoding from a tiny portion of ({}) byte(s).".format( + length + ), + ) + elif is_too_large_sequence: + logger.log( + TRACE, + "Using lazy str decoding because the payload is quite large, ({}) byte(s).".format( + length + ), + ) + + prioritized_encodings: List[str] = [] + + specified_encoding: Optional[str] = ( + any_specified_encoding(sequences) if preemptive_behaviour else None + ) + + if specified_encoding is not None: + prioritized_encodings.append(specified_encoding) + logger.log( + TRACE, + "Detected declarative mark in sequence. Priority +1 given for %s.", + specified_encoding, + ) + + tested: Set[str] = set() + tested_but_hard_failure: List[str] = [] + tested_but_soft_failure: List[str] = [] + + fallback_ascii: Optional[CharsetMatch] = None + fallback_u8: Optional[CharsetMatch] = None + fallback_specified: Optional[CharsetMatch] = None + + results: CharsetMatches = CharsetMatches() + + sig_encoding, sig_payload = identify_sig_or_bom(sequences) + + if sig_encoding is not None: + prioritized_encodings.append(sig_encoding) + logger.log( + TRACE, + "Detected a SIG or BOM mark on first %i byte(s). Priority +1 given for %s.", + len(sig_payload), + sig_encoding, + ) + + prioritized_encodings.append("ascii") + + if "utf_8" not in prioritized_encodings: + prioritized_encodings.append("utf_8") + + for encoding_iana in prioritized_encodings + IANA_SUPPORTED: + if cp_isolation and encoding_iana not in cp_isolation: + continue + + if cp_exclusion and encoding_iana in cp_exclusion: + continue + + if encoding_iana in tested: + continue + + tested.add(encoding_iana) + + decoded_payload: Optional[str] = None + bom_or_sig_available: bool = sig_encoding == encoding_iana + strip_sig_or_bom: bool = bom_or_sig_available and should_strip_sig_or_bom( + encoding_iana + ) + + if encoding_iana in {"utf_16", "utf_32"} and not bom_or_sig_available: + logger.log( + TRACE, + "Encoding %s won't be tested as-is because it require a BOM. Will try some sub-encoder LE/BE.", + encoding_iana, + ) + continue + if encoding_iana in {"utf_7"} and not bom_or_sig_available: + logger.log( + TRACE, + "Encoding %s won't be tested as-is because detection is unreliable without BOM/SIG.", + encoding_iana, + ) + continue + + try: + is_multi_byte_decoder: bool = is_multi_byte_encoding(encoding_iana) + except (ModuleNotFoundError, ImportError): + logger.log( + TRACE, + "Encoding %s does not provide an IncrementalDecoder", + encoding_iana, + ) + continue + + try: + if is_too_large_sequence and is_multi_byte_decoder is False: + str( + sequences[: int(50e4)] + if strip_sig_or_bom is False + else sequences[len(sig_payload) : int(50e4)], + encoding=encoding_iana, + ) + else: + decoded_payload = str( + sequences + if strip_sig_or_bom is False + else sequences[len(sig_payload) :], + encoding=encoding_iana, + ) + except (UnicodeDecodeError, LookupError) as e: + if not isinstance(e, LookupError): + logger.log( + TRACE, + "Code page %s does not fit given bytes sequence at ALL. %s", + encoding_iana, + str(e), + ) + tested_but_hard_failure.append(encoding_iana) + continue + + similar_soft_failure_test: bool = False + + for encoding_soft_failed in tested_but_soft_failure: + if is_cp_similar(encoding_iana, encoding_soft_failed): + similar_soft_failure_test = True + break + + if similar_soft_failure_test: + logger.log( + TRACE, + "%s is deemed too similar to code page %s and was consider unsuited already. Continuing!", + encoding_iana, + encoding_soft_failed, + ) + continue + + r_ = range( + 0 if not bom_or_sig_available else len(sig_payload), + length, + int(length / steps), + ) + + multi_byte_bonus: bool = ( + is_multi_byte_decoder + and decoded_payload is not None + and len(decoded_payload) < length + ) + + if multi_byte_bonus: + logger.log( + TRACE, + "Code page %s is a multi byte encoding table and it appear that at least one character " + "was encoded using n-bytes.", + encoding_iana, + ) + + max_chunk_gave_up: int = int(len(r_) / 4) + + max_chunk_gave_up = max(max_chunk_gave_up, 2) + early_stop_count: int = 0 + lazy_str_hard_failure = False + + md_chunks: List[str] = [] + md_ratios = [] + + try: + for chunk in cut_sequence_chunks( + sequences, + encoding_iana, + r_, + chunk_size, + bom_or_sig_available, + strip_sig_or_bom, + sig_payload, + is_multi_byte_decoder, + decoded_payload, + ): + md_chunks.append(chunk) + + md_ratios.append( + mess_ratio( + chunk, + threshold, + explain is True and 1 <= len(cp_isolation) <= 2, + ) + ) + + if md_ratios[-1] >= threshold: + early_stop_count += 1 + + if (early_stop_count >= max_chunk_gave_up) or ( + bom_or_sig_available and strip_sig_or_bom is False + ): + break + except ( + UnicodeDecodeError + ) as e: # Lazy str loading may have missed something there + logger.log( + TRACE, + "LazyStr Loading: After MD chunk decode, code page %s does not fit given bytes sequence at ALL. %s", + encoding_iana, + str(e), + ) + early_stop_count = max_chunk_gave_up + lazy_str_hard_failure = True + + # We might want to check the sequence again with the whole content + # Only if initial MD tests passes + if ( + not lazy_str_hard_failure + and is_too_large_sequence + and not is_multi_byte_decoder + ): + try: + sequences[int(50e3) :].decode(encoding_iana, errors="strict") + except UnicodeDecodeError as e: + logger.log( + TRACE, + "LazyStr Loading: After final lookup, code page %s does not fit given bytes sequence at ALL. %s", + encoding_iana, + str(e), + ) + tested_but_hard_failure.append(encoding_iana) + continue + + mean_mess_ratio: float = sum(md_ratios) / len(md_ratios) if md_ratios else 0.0 + if mean_mess_ratio >= threshold or early_stop_count >= max_chunk_gave_up: + tested_but_soft_failure.append(encoding_iana) + logger.log( + TRACE, + "%s was excluded because of initial chaos probing. Gave up %i time(s). " + "Computed mean chaos is %f %%.", + encoding_iana, + early_stop_count, + round(mean_mess_ratio * 100, ndigits=3), + ) + # Preparing those fallbacks in case we got nothing. + if ( + enable_fallback + and encoding_iana in ["ascii", "utf_8", specified_encoding] + and not lazy_str_hard_failure + ): + fallback_entry = CharsetMatch( + sequences, encoding_iana, threshold, False, [], decoded_payload + ) + if encoding_iana == specified_encoding: + fallback_specified = fallback_entry + elif encoding_iana == "ascii": + fallback_ascii = fallback_entry + else: + fallback_u8 = fallback_entry + continue + + logger.log( + TRACE, + "%s passed initial chaos probing. Mean measured chaos is %f %%", + encoding_iana, + round(mean_mess_ratio * 100, ndigits=3), + ) + + if not is_multi_byte_decoder: + target_languages: List[str] = encoding_languages(encoding_iana) + else: + target_languages = mb_encoding_languages(encoding_iana) + + if target_languages: + logger.log( + TRACE, + "{} should target any language(s) of {}".format( + encoding_iana, str(target_languages) + ), + ) + + cd_ratios = [] + + # We shall skip the CD when its about ASCII + # Most of the time its not relevant to run "language-detection" on it. + if encoding_iana != "ascii": + for chunk in md_chunks: + chunk_languages = coherence_ratio( + chunk, + language_threshold, + ",".join(target_languages) if target_languages else None, + ) + + cd_ratios.append(chunk_languages) + + cd_ratios_merged = merge_coherence_ratios(cd_ratios) + + if cd_ratios_merged: + logger.log( + TRACE, + "We detected language {} using {}".format( + cd_ratios_merged, encoding_iana + ), + ) + + results.append( + CharsetMatch( + sequences, + encoding_iana, + mean_mess_ratio, + bom_or_sig_available, + cd_ratios_merged, + decoded_payload, + ) + ) + + if ( + encoding_iana in [specified_encoding, "ascii", "utf_8"] + and mean_mess_ratio < 0.1 + ): + logger.debug( + "Encoding detection: %s is most likely the one.", encoding_iana + ) + if explain: + logger.removeHandler(explain_handler) + logger.setLevel(previous_logger_level) + return CharsetMatches([results[encoding_iana]]) + + if encoding_iana == sig_encoding: + logger.debug( + "Encoding detection: %s is most likely the one as we detected a BOM or SIG within " + "the beginning of the sequence.", + encoding_iana, + ) + if explain: + logger.removeHandler(explain_handler) + logger.setLevel(previous_logger_level) + return CharsetMatches([results[encoding_iana]]) + + if len(results) == 0: + if fallback_u8 or fallback_ascii or fallback_specified: + logger.log( + TRACE, + "Nothing got out of the detection process. Using ASCII/UTF-8/Specified fallback.", + ) + + if fallback_specified: + logger.debug( + "Encoding detection: %s will be used as a fallback match", + fallback_specified.encoding, + ) + results.append(fallback_specified) + elif ( + (fallback_u8 and fallback_ascii is None) + or ( + fallback_u8 + and fallback_ascii + and fallback_u8.fingerprint != fallback_ascii.fingerprint + ) + or (fallback_u8 is not None) + ): + logger.debug("Encoding detection: utf_8 will be used as a fallback match") + results.append(fallback_u8) + elif fallback_ascii: + logger.debug("Encoding detection: ascii will be used as a fallback match") + results.append(fallback_ascii) + + if results: + logger.debug( + "Encoding detection: Found %s as plausible (best-candidate) for content. With %i alternatives.", + results.best().encoding, # type: ignore + len(results) - 1, + ) + else: + logger.debug("Encoding detection: Unable to determine any suitable charset.") + + if explain: + logger.removeHandler(explain_handler) + logger.setLevel(previous_logger_level) + + return results + + +def from_fp( + fp: BinaryIO, + steps: int = 5, + chunk_size: int = 512, + threshold: float = 0.20, + cp_isolation: Optional[List[str]] = None, + cp_exclusion: Optional[List[str]] = None, + preemptive_behaviour: bool = True, + explain: bool = False, + language_threshold: float = 0.1, + enable_fallback: bool = True, +) -> CharsetMatches: + """ + Same thing than the function from_bytes but using a file pointer that is already ready. + Will not close the file pointer. + """ + return from_bytes( + fp.read(), + steps, + chunk_size, + threshold, + cp_isolation, + cp_exclusion, + preemptive_behaviour, + explain, + language_threshold, + enable_fallback, + ) + + +def from_path( + path: Union[str, bytes, PathLike], # type: ignore[type-arg] + steps: int = 5, + chunk_size: int = 512, + threshold: float = 0.20, + cp_isolation: Optional[List[str]] = None, + cp_exclusion: Optional[List[str]] = None, + preemptive_behaviour: bool = True, + explain: bool = False, + language_threshold: float = 0.1, + enable_fallback: bool = True, +) -> CharsetMatches: + """ + Same thing than the function from_bytes but with one extra step. Opening and reading given file path in binary mode. + Can raise IOError. + """ + with open(path, "rb") as fp: + return from_fp( + fp, + steps, + chunk_size, + threshold, + cp_isolation, + cp_exclusion, + preemptive_behaviour, + explain, + language_threshold, + enable_fallback, + ) + + +def is_binary( + fp_or_path_or_payload: Union[PathLike, str, BinaryIO, bytes], # type: ignore[type-arg] + steps: int = 5, + chunk_size: int = 512, + threshold: float = 0.20, + cp_isolation: Optional[List[str]] = None, + cp_exclusion: Optional[List[str]] = None, + preemptive_behaviour: bool = True, + explain: bool = False, + language_threshold: float = 0.1, + enable_fallback: bool = False, +) -> bool: + """ + Detect if the given input (file, bytes, or path) points to a binary file. aka. not a string. + Based on the same main heuristic algorithms and default kwargs at the sole exception that fallbacks match + are disabled to be stricter around ASCII-compatible but unlikely to be a string. + """ + if isinstance(fp_or_path_or_payload, (str, PathLike)): + guesses = from_path( + fp_or_path_or_payload, + steps=steps, + chunk_size=chunk_size, + threshold=threshold, + cp_isolation=cp_isolation, + cp_exclusion=cp_exclusion, + preemptive_behaviour=preemptive_behaviour, + explain=explain, + language_threshold=language_threshold, + enable_fallback=enable_fallback, + ) + elif isinstance( + fp_or_path_or_payload, + ( + bytes, + bytearray, + ), + ): + guesses = from_bytes( + fp_or_path_or_payload, + steps=steps, + chunk_size=chunk_size, + threshold=threshold, + cp_isolation=cp_isolation, + cp_exclusion=cp_exclusion, + preemptive_behaviour=preemptive_behaviour, + explain=explain, + language_threshold=language_threshold, + enable_fallback=enable_fallback, + ) + else: + guesses = from_fp( + fp_or_path_or_payload, + steps=steps, + chunk_size=chunk_size, + threshold=threshold, + cp_isolation=cp_isolation, + cp_exclusion=cp_exclusion, + preemptive_behaviour=preemptive_behaviour, + explain=explain, + language_threshold=language_threshold, + enable_fallback=enable_fallback, + ) + + return not guesses diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/cd.py b/venv/lib/python3.12/site-packages/charset_normalizer/cd.py new file mode 100644 index 0000000..4ea6760 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/cd.py @@ -0,0 +1,395 @@ +import importlib +from codecs import IncrementalDecoder +from collections import Counter +from functools import lru_cache +from typing import Counter as TypeCounter, Dict, List, Optional, Tuple + +from .constant import ( + FREQUENCIES, + KO_NAMES, + LANGUAGE_SUPPORTED_COUNT, + TOO_SMALL_SEQUENCE, + ZH_NAMES, +) +from .md import is_suspiciously_successive_range +from .models import CoherenceMatches +from .utils import ( + is_accentuated, + is_latin, + is_multi_byte_encoding, + is_unicode_range_secondary, + unicode_range, +) + + +def encoding_unicode_range(iana_name: str) -> List[str]: + """ + Return associated unicode ranges in a single byte code page. + """ + if is_multi_byte_encoding(iana_name): + raise IOError("Function not supported on multi-byte code page") + + decoder = importlib.import_module( + "encodings.{}".format(iana_name) + ).IncrementalDecoder + + p: IncrementalDecoder = decoder(errors="ignore") + seen_ranges: Dict[str, int] = {} + character_count: int = 0 + + for i in range(0x40, 0xFF): + chunk: str = p.decode(bytes([i])) + + if chunk: + character_range: Optional[str] = unicode_range(chunk) + + if character_range is None: + continue + + if is_unicode_range_secondary(character_range) is False: + if character_range not in seen_ranges: + seen_ranges[character_range] = 0 + seen_ranges[character_range] += 1 + character_count += 1 + + return sorted( + [ + character_range + for character_range in seen_ranges + if seen_ranges[character_range] / character_count >= 0.15 + ] + ) + + +def unicode_range_languages(primary_range: str) -> List[str]: + """ + Return inferred languages used with a unicode range. + """ + languages: List[str] = [] + + for language, characters in FREQUENCIES.items(): + for character in characters: + if unicode_range(character) == primary_range: + languages.append(language) + break + + return languages + + +@lru_cache() +def encoding_languages(iana_name: str) -> List[str]: + """ + Single-byte encoding language association. Some code page are heavily linked to particular language(s). + This function does the correspondence. + """ + unicode_ranges: List[str] = encoding_unicode_range(iana_name) + primary_range: Optional[str] = None + + for specified_range in unicode_ranges: + if "Latin" not in specified_range: + primary_range = specified_range + break + + if primary_range is None: + return ["Latin Based"] + + return unicode_range_languages(primary_range) + + +@lru_cache() +def mb_encoding_languages(iana_name: str) -> List[str]: + """ + Multi-byte encoding language association. Some code page are heavily linked to particular language(s). + This function does the correspondence. + """ + if ( + iana_name.startswith("shift_") + or iana_name.startswith("iso2022_jp") + or iana_name.startswith("euc_j") + or iana_name == "cp932" + ): + return ["Japanese"] + if iana_name.startswith("gb") or iana_name in ZH_NAMES: + return ["Chinese"] + if iana_name.startswith("iso2022_kr") or iana_name in KO_NAMES: + return ["Korean"] + + return [] + + +@lru_cache(maxsize=LANGUAGE_SUPPORTED_COUNT) +def get_target_features(language: str) -> Tuple[bool, bool]: + """ + Determine main aspects from a supported language if it contains accents and if is pure Latin. + """ + target_have_accents: bool = False + target_pure_latin: bool = True + + for character in FREQUENCIES[language]: + if not target_have_accents and is_accentuated(character): + target_have_accents = True + if target_pure_latin and is_latin(character) is False: + target_pure_latin = False + + return target_have_accents, target_pure_latin + + +def alphabet_languages( + characters: List[str], ignore_non_latin: bool = False +) -> List[str]: + """ + Return associated languages associated to given characters. + """ + languages: List[Tuple[str, float]] = [] + + source_have_accents = any(is_accentuated(character) for character in characters) + + for language, language_characters in FREQUENCIES.items(): + target_have_accents, target_pure_latin = get_target_features(language) + + if ignore_non_latin and target_pure_latin is False: + continue + + if target_have_accents is False and source_have_accents: + continue + + character_count: int = len(language_characters) + + character_match_count: int = len( + [c for c in language_characters if c in characters] + ) + + ratio: float = character_match_count / character_count + + if ratio >= 0.2: + languages.append((language, ratio)) + + languages = sorted(languages, key=lambda x: x[1], reverse=True) + + return [compatible_language[0] for compatible_language in languages] + + +def characters_popularity_compare( + language: str, ordered_characters: List[str] +) -> float: + """ + Determine if a ordered characters list (by occurrence from most appearance to rarest) match a particular language. + The result is a ratio between 0. (absolutely no correspondence) and 1. (near perfect fit). + Beware that is function is not strict on the match in order to ease the detection. (Meaning close match is 1.) + """ + if language not in FREQUENCIES: + raise ValueError("{} not available".format(language)) + + character_approved_count: int = 0 + FREQUENCIES_language_set = set(FREQUENCIES[language]) + + ordered_characters_count: int = len(ordered_characters) + target_language_characters_count: int = len(FREQUENCIES[language]) + + large_alphabet: bool = target_language_characters_count > 26 + + for character, character_rank in zip( + ordered_characters, range(0, ordered_characters_count) + ): + if character not in FREQUENCIES_language_set: + continue + + character_rank_in_language: int = FREQUENCIES[language].index(character) + expected_projection_ratio: float = ( + target_language_characters_count / ordered_characters_count + ) + character_rank_projection: int = int(character_rank * expected_projection_ratio) + + if ( + large_alphabet is False + and abs(character_rank_projection - character_rank_in_language) > 4 + ): + continue + + if ( + large_alphabet is True + and abs(character_rank_projection - character_rank_in_language) + < target_language_characters_count / 3 + ): + character_approved_count += 1 + continue + + characters_before_source: List[str] = FREQUENCIES[language][ + 0:character_rank_in_language + ] + characters_after_source: List[str] = FREQUENCIES[language][ + character_rank_in_language: + ] + characters_before: List[str] = ordered_characters[0:character_rank] + characters_after: List[str] = ordered_characters[character_rank:] + + before_match_count: int = len( + set(characters_before) & set(characters_before_source) + ) + + after_match_count: int = len( + set(characters_after) & set(characters_after_source) + ) + + if len(characters_before_source) == 0 and before_match_count <= 4: + character_approved_count += 1 + continue + + if len(characters_after_source) == 0 and after_match_count <= 4: + character_approved_count += 1 + continue + + if ( + before_match_count / len(characters_before_source) >= 0.4 + or after_match_count / len(characters_after_source) >= 0.4 + ): + character_approved_count += 1 + continue + + return character_approved_count / len(ordered_characters) + + +def alpha_unicode_split(decoded_sequence: str) -> List[str]: + """ + Given a decoded text sequence, return a list of str. Unicode range / alphabet separation. + Ex. a text containing English/Latin with a bit a Hebrew will return two items in the resulting list; + One containing the latin letters and the other hebrew. + """ + layers: Dict[str, str] = {} + + for character in decoded_sequence: + if character.isalpha() is False: + continue + + character_range: Optional[str] = unicode_range(character) + + if character_range is None: + continue + + layer_target_range: Optional[str] = None + + for discovered_range in layers: + if ( + is_suspiciously_successive_range(discovered_range, character_range) + is False + ): + layer_target_range = discovered_range + break + + if layer_target_range is None: + layer_target_range = character_range + + if layer_target_range not in layers: + layers[layer_target_range] = character.lower() + continue + + layers[layer_target_range] += character.lower() + + return list(layers.values()) + + +def merge_coherence_ratios(results: List[CoherenceMatches]) -> CoherenceMatches: + """ + This function merge results previously given by the function coherence_ratio. + The return type is the same as coherence_ratio. + """ + per_language_ratios: Dict[str, List[float]] = {} + for result in results: + for sub_result in result: + language, ratio = sub_result + if language not in per_language_ratios: + per_language_ratios[language] = [ratio] + continue + per_language_ratios[language].append(ratio) + + merge = [ + ( + language, + round( + sum(per_language_ratios[language]) / len(per_language_ratios[language]), + 4, + ), + ) + for language in per_language_ratios + ] + + return sorted(merge, key=lambda x: x[1], reverse=True) + + +def filter_alt_coherence_matches(results: CoherenceMatches) -> CoherenceMatches: + """ + We shall NOT return "English—" in CoherenceMatches because it is an alternative + of "English". This function only keeps the best match and remove the em-dash in it. + """ + index_results: Dict[str, List[float]] = dict() + + for result in results: + language, ratio = result + no_em_name: str = language.replace("—", "") + + if no_em_name not in index_results: + index_results[no_em_name] = [] + + index_results[no_em_name].append(ratio) + + if any(len(index_results[e]) > 1 for e in index_results): + filtered_results: CoherenceMatches = [] + + for language in index_results: + filtered_results.append((language, max(index_results[language]))) + + return filtered_results + + return results + + +@lru_cache(maxsize=2048) +def coherence_ratio( + decoded_sequence: str, threshold: float = 0.1, lg_inclusion: Optional[str] = None +) -> CoherenceMatches: + """ + Detect ANY language that can be identified in given sequence. The sequence will be analysed by layers. + A layer = Character extraction by alphabets/ranges. + """ + + results: List[Tuple[str, float]] = [] + ignore_non_latin: bool = False + + sufficient_match_count: int = 0 + + lg_inclusion_list = lg_inclusion.split(",") if lg_inclusion is not None else [] + if "Latin Based" in lg_inclusion_list: + ignore_non_latin = True + lg_inclusion_list.remove("Latin Based") + + for layer in alpha_unicode_split(decoded_sequence): + sequence_frequencies: TypeCounter[str] = Counter(layer) + most_common = sequence_frequencies.most_common() + + character_count: int = sum(o for c, o in most_common) + + if character_count <= TOO_SMALL_SEQUENCE: + continue + + popular_character_ordered: List[str] = [c for c, o in most_common] + + for language in lg_inclusion_list or alphabet_languages( + popular_character_ordered, ignore_non_latin + ): + ratio: float = characters_popularity_compare( + language, popular_character_ordered + ) + + if ratio < threshold: + continue + elif ratio >= 0.8: + sufficient_match_count += 1 + + results.append((language, round(ratio, 4))) + + if sufficient_match_count >= 3: + break + + return sorted( + filter_alt_coherence_matches(results), key=lambda x: x[1], reverse=True + ) diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/cli/__init__.py b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__init__.py new file mode 100644 index 0000000..d95fedf --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__init__.py @@ -0,0 +1,6 @@ +from .__main__ import cli_detect, query_yes_no + +__all__ = ( + "cli_detect", + "query_yes_no", +) diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/cli/__main__.py b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__main__.py new file mode 100644 index 0000000..f4bcbaa --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__main__.py @@ -0,0 +1,296 @@ +import argparse +import sys +from json import dumps +from os.path import abspath, basename, dirname, join, realpath +from platform import python_version +from typing import List, Optional +from unicodedata import unidata_version + +import charset_normalizer.md as md_module +from charset_normalizer import from_fp +from charset_normalizer.models import CliDetectionResult +from charset_normalizer.version import __version__ + + +def query_yes_no(question: str, default: str = "yes") -> bool: + """Ask a yes/no question via input() and return their answer. + + "question" is a string that is presented to the user. + "default" is the presumed answer if the user just hits . + It must be "yes" (the default), "no" or None (meaning + an answer is required of the user). + + The "answer" return value is True for "yes" or False for "no". + + Credit goes to (c) https://stackoverflow.com/questions/3041986/apt-command-line-interface-like-yes-no-input + """ + valid = {"yes": True, "y": True, "ye": True, "no": False, "n": False} + if default is None: + prompt = " [y/n] " + elif default == "yes": + prompt = " [Y/n] " + elif default == "no": + prompt = " [y/N] " + else: + raise ValueError("invalid default answer: '%s'" % default) + + while True: + sys.stdout.write(question + prompt) + choice = input().lower() + if default is not None and choice == "": + return valid[default] + elif choice in valid: + return valid[choice] + else: + sys.stdout.write("Please respond with 'yes' or 'no' " "(or 'y' or 'n').\n") + + +def cli_detect(argv: Optional[List[str]] = None) -> int: + """ + CLI assistant using ARGV and ArgumentParser + :param argv: + :return: 0 if everything is fine, anything else equal trouble + """ + parser = argparse.ArgumentParser( + description="The Real First Universal Charset Detector. " + "Discover originating encoding used on text file. " + "Normalize text to unicode." + ) + + parser.add_argument( + "files", type=argparse.FileType("rb"), nargs="+", help="File(s) to be analysed" + ) + parser.add_argument( + "-v", + "--verbose", + action="store_true", + default=False, + dest="verbose", + help="Display complementary information about file if any. " + "Stdout will contain logs about the detection process.", + ) + parser.add_argument( + "-a", + "--with-alternative", + action="store_true", + default=False, + dest="alternatives", + help="Output complementary possibilities if any. Top-level JSON WILL be a list.", + ) + parser.add_argument( + "-n", + "--normalize", + action="store_true", + default=False, + dest="normalize", + help="Permit to normalize input file. If not set, program does not write anything.", + ) + parser.add_argument( + "-m", + "--minimal", + action="store_true", + default=False, + dest="minimal", + help="Only output the charset detected to STDOUT. Disabling JSON output.", + ) + parser.add_argument( + "-r", + "--replace", + action="store_true", + default=False, + dest="replace", + help="Replace file when trying to normalize it instead of creating a new one.", + ) + parser.add_argument( + "-f", + "--force", + action="store_true", + default=False, + dest="force", + help="Replace file without asking if you are sure, use this flag with caution.", + ) + parser.add_argument( + "-t", + "--threshold", + action="store", + default=0.2, + type=float, + dest="threshold", + help="Define a custom maximum amount of chaos allowed in decoded content. 0. <= chaos <= 1.", + ) + parser.add_argument( + "--version", + action="version", + version="Charset-Normalizer {} - Python {} - Unicode {} - SpeedUp {}".format( + __version__, + python_version(), + unidata_version, + "OFF" if md_module.__file__.lower().endswith(".py") else "ON", + ), + help="Show version information and exit.", + ) + + args = parser.parse_args(argv) + + if args.replace is True and args.normalize is False: + print("Use --replace in addition of --normalize only.", file=sys.stderr) + return 1 + + if args.force is True and args.replace is False: + print("Use --force in addition of --replace only.", file=sys.stderr) + return 1 + + if args.threshold < 0.0 or args.threshold > 1.0: + print("--threshold VALUE should be between 0. AND 1.", file=sys.stderr) + return 1 + + x_ = [] + + for my_file in args.files: + matches = from_fp(my_file, threshold=args.threshold, explain=args.verbose) + + best_guess = matches.best() + + if best_guess is None: + print( + 'Unable to identify originating encoding for "{}". {}'.format( + my_file.name, + "Maybe try increasing maximum amount of chaos." + if args.threshold < 1.0 + else "", + ), + file=sys.stderr, + ) + x_.append( + CliDetectionResult( + abspath(my_file.name), + None, + [], + [], + "Unknown", + [], + False, + 1.0, + 0.0, + None, + True, + ) + ) + else: + x_.append( + CliDetectionResult( + abspath(my_file.name), + best_guess.encoding, + best_guess.encoding_aliases, + [ + cp + for cp in best_guess.could_be_from_charset + if cp != best_guess.encoding + ], + best_guess.language, + best_guess.alphabets, + best_guess.bom, + best_guess.percent_chaos, + best_guess.percent_coherence, + None, + True, + ) + ) + + if len(matches) > 1 and args.alternatives: + for el in matches: + if el != best_guess: + x_.append( + CliDetectionResult( + abspath(my_file.name), + el.encoding, + el.encoding_aliases, + [ + cp + for cp in el.could_be_from_charset + if cp != el.encoding + ], + el.language, + el.alphabets, + el.bom, + el.percent_chaos, + el.percent_coherence, + None, + False, + ) + ) + + if args.normalize is True: + if best_guess.encoding.startswith("utf") is True: + print( + '"{}" file does not need to be normalized, as it already came from unicode.'.format( + my_file.name + ), + file=sys.stderr, + ) + if my_file.closed is False: + my_file.close() + continue + + dir_path = dirname(realpath(my_file.name)) + file_name = basename(realpath(my_file.name)) + + o_: List[str] = file_name.split(".") + + if args.replace is False: + o_.insert(-1, best_guess.encoding) + if my_file.closed is False: + my_file.close() + elif ( + args.force is False + and query_yes_no( + 'Are you sure to normalize "{}" by replacing it ?'.format( + my_file.name + ), + "no", + ) + is False + ): + if my_file.closed is False: + my_file.close() + continue + + try: + x_[0].unicode_path = join(dir_path, ".".join(o_)) + + with open(x_[0].unicode_path, "w", encoding="utf-8") as fp: + fp.write(str(best_guess)) + except IOError as e: + print(str(e), file=sys.stderr) + if my_file.closed is False: + my_file.close() + return 2 + + if my_file.closed is False: + my_file.close() + + if args.minimal is False: + print( + dumps( + [el.__dict__ for el in x_] if len(x_) > 1 else x_[0].__dict__, + ensure_ascii=True, + indent=4, + ) + ) + else: + for my_file in args.files: + print( + ", ".join( + [ + el.encoding or "undefined" + for el in x_ + if el.path == abspath(my_file.name) + ] + ) + ) + + return 0 + + +if __name__ == "__main__": + cli_detect() diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/cli/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..b2e8caf Binary files /dev/null and b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/cli/__pycache__/__main__.cpython-312.pyc b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__pycache__/__main__.cpython-312.pyc new file mode 100644 index 0000000..1221c5c Binary files /dev/null and b/venv/lib/python3.12/site-packages/charset_normalizer/cli/__pycache__/__main__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/constant.py b/venv/lib/python3.12/site-packages/charset_normalizer/constant.py new file mode 100644 index 0000000..8634904 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/constant.py @@ -0,0 +1,1995 @@ +# -*- coding: utf-8 -*- +from codecs import BOM_UTF8, BOM_UTF16_BE, BOM_UTF16_LE, BOM_UTF32_BE, BOM_UTF32_LE +from encodings.aliases import aliases +from re import IGNORECASE, compile as re_compile +from typing import Dict, List, Set, Union + +# Contain for each eligible encoding a list of/item bytes SIG/BOM +ENCODING_MARKS: Dict[str, Union[bytes, List[bytes]]] = { + "utf_8": BOM_UTF8, + "utf_7": [ + b"\x2b\x2f\x76\x38", + b"\x2b\x2f\x76\x39", + b"\x2b\x2f\x76\x2b", + b"\x2b\x2f\x76\x2f", + b"\x2b\x2f\x76\x38\x2d", + ], + "gb18030": b"\x84\x31\x95\x33", + "utf_32": [BOM_UTF32_BE, BOM_UTF32_LE], + "utf_16": [BOM_UTF16_BE, BOM_UTF16_LE], +} + +TOO_SMALL_SEQUENCE: int = 32 +TOO_BIG_SEQUENCE: int = int(10e6) + +UTF8_MAXIMAL_ALLOCATION: int = 1_112_064 + +# Up-to-date Unicode ucd/15.0.0 +UNICODE_RANGES_COMBINED: Dict[str, range] = { + "Control character": range(32), + "Basic Latin": range(32, 128), + "Latin-1 Supplement": range(128, 256), + "Latin Extended-A": range(256, 384), + "Latin Extended-B": range(384, 592), + "IPA Extensions": range(592, 688), + "Spacing Modifier Letters": range(688, 768), + "Combining Diacritical Marks": range(768, 880), + "Greek and Coptic": range(880, 1024), + "Cyrillic": range(1024, 1280), + "Cyrillic Supplement": range(1280, 1328), + "Armenian": range(1328, 1424), + "Hebrew": range(1424, 1536), + "Arabic": range(1536, 1792), + "Syriac": range(1792, 1872), + "Arabic Supplement": range(1872, 1920), + "Thaana": range(1920, 1984), + "NKo": range(1984, 2048), + "Samaritan": range(2048, 2112), + "Mandaic": range(2112, 2144), + "Syriac Supplement": range(2144, 2160), + "Arabic Extended-B": range(2160, 2208), + "Arabic Extended-A": range(2208, 2304), + "Devanagari": range(2304, 2432), + "Bengali": range(2432, 2560), + "Gurmukhi": range(2560, 2688), + "Gujarati": range(2688, 2816), + "Oriya": range(2816, 2944), + "Tamil": range(2944, 3072), + "Telugu": range(3072, 3200), + "Kannada": range(3200, 3328), + "Malayalam": range(3328, 3456), + "Sinhala": range(3456, 3584), + "Thai": range(3584, 3712), + "Lao": range(3712, 3840), + "Tibetan": range(3840, 4096), + "Myanmar": range(4096, 4256), + "Georgian": range(4256, 4352), + "Hangul Jamo": range(4352, 4608), + "Ethiopic": range(4608, 4992), + "Ethiopic Supplement": range(4992, 5024), + "Cherokee": range(5024, 5120), + "Unified Canadian Aboriginal Syllabics": range(5120, 5760), + "Ogham": range(5760, 5792), + "Runic": range(5792, 5888), + "Tagalog": range(5888, 5920), + "Hanunoo": range(5920, 5952), + "Buhid": range(5952, 5984), + "Tagbanwa": range(5984, 6016), + "Khmer": range(6016, 6144), + "Mongolian": range(6144, 6320), + "Unified Canadian Aboriginal Syllabics Extended": range(6320, 6400), + "Limbu": range(6400, 6480), + "Tai Le": range(6480, 6528), + "New Tai Lue": range(6528, 6624), + "Khmer Symbols": range(6624, 6656), + "Buginese": range(6656, 6688), + "Tai Tham": range(6688, 6832), + "Combining Diacritical Marks Extended": range(6832, 6912), + "Balinese": range(6912, 7040), + "Sundanese": range(7040, 7104), + "Batak": range(7104, 7168), + "Lepcha": range(7168, 7248), + "Ol Chiki": range(7248, 7296), + "Cyrillic Extended-C": range(7296, 7312), + "Georgian Extended": range(7312, 7360), + "Sundanese Supplement": range(7360, 7376), + "Vedic Extensions": range(7376, 7424), + "Phonetic Extensions": range(7424, 7552), + "Phonetic Extensions Supplement": range(7552, 7616), + "Combining Diacritical Marks Supplement": range(7616, 7680), + "Latin Extended Additional": range(7680, 7936), + "Greek Extended": range(7936, 8192), + "General Punctuation": range(8192, 8304), + "Superscripts and Subscripts": range(8304, 8352), + "Currency Symbols": range(8352, 8400), + "Combining Diacritical Marks for Symbols": range(8400, 8448), + "Letterlike Symbols": range(8448, 8528), + "Number Forms": range(8528, 8592), + "Arrows": range(8592, 8704), + "Mathematical Operators": range(8704, 8960), + "Miscellaneous Technical": range(8960, 9216), + "Control Pictures": range(9216, 9280), + "Optical Character Recognition": range(9280, 9312), + "Enclosed Alphanumerics": range(9312, 9472), + "Box Drawing": range(9472, 9600), + "Block Elements": range(9600, 9632), + "Geometric Shapes": range(9632, 9728), + "Miscellaneous Symbols": range(9728, 9984), + "Dingbats": range(9984, 10176), + "Miscellaneous Mathematical Symbols-A": range(10176, 10224), + "Supplemental Arrows-A": range(10224, 10240), + "Braille Patterns": range(10240, 10496), + "Supplemental Arrows-B": range(10496, 10624), + "Miscellaneous Mathematical Symbols-B": range(10624, 10752), + "Supplemental Mathematical Operators": range(10752, 11008), + "Miscellaneous Symbols and Arrows": range(11008, 11264), + "Glagolitic": range(11264, 11360), + "Latin Extended-C": range(11360, 11392), + "Coptic": range(11392, 11520), + "Georgian Supplement": range(11520, 11568), + "Tifinagh": range(11568, 11648), + "Ethiopic Extended": range(11648, 11744), + "Cyrillic Extended-A": range(11744, 11776), + "Supplemental Punctuation": range(11776, 11904), + "CJK Radicals Supplement": range(11904, 12032), + "Kangxi Radicals": range(12032, 12256), + "Ideographic Description Characters": range(12272, 12288), + "CJK Symbols and Punctuation": range(12288, 12352), + "Hiragana": range(12352, 12448), + "Katakana": range(12448, 12544), + "Bopomofo": range(12544, 12592), + "Hangul Compatibility Jamo": range(12592, 12688), + "Kanbun": range(12688, 12704), + "Bopomofo Extended": range(12704, 12736), + "CJK Strokes": range(12736, 12784), + "Katakana Phonetic Extensions": range(12784, 12800), + "Enclosed CJK Letters and Months": range(12800, 13056), + "CJK Compatibility": range(13056, 13312), + "CJK Unified Ideographs Extension A": range(13312, 19904), + "Yijing Hexagram Symbols": range(19904, 19968), + "CJK Unified Ideographs": range(19968, 40960), + "Yi Syllables": range(40960, 42128), + "Yi Radicals": range(42128, 42192), + "Lisu": range(42192, 42240), + "Vai": range(42240, 42560), + "Cyrillic Extended-B": range(42560, 42656), + "Bamum": range(42656, 42752), + "Modifier Tone Letters": range(42752, 42784), + "Latin Extended-D": range(42784, 43008), + "Syloti Nagri": range(43008, 43056), + "Common Indic Number Forms": range(43056, 43072), + "Phags-pa": range(43072, 43136), + "Saurashtra": range(43136, 43232), + "Devanagari Extended": range(43232, 43264), + "Kayah Li": range(43264, 43312), + "Rejang": range(43312, 43360), + "Hangul Jamo Extended-A": range(43360, 43392), + "Javanese": range(43392, 43488), + "Myanmar Extended-B": range(43488, 43520), + "Cham": range(43520, 43616), + "Myanmar Extended-A": range(43616, 43648), + "Tai Viet": range(43648, 43744), + "Meetei Mayek Extensions": range(43744, 43776), + "Ethiopic Extended-A": range(43776, 43824), + "Latin Extended-E": range(43824, 43888), + "Cherokee Supplement": range(43888, 43968), + "Meetei Mayek": range(43968, 44032), + "Hangul Syllables": range(44032, 55216), + "Hangul Jamo Extended-B": range(55216, 55296), + "High Surrogates": range(55296, 56192), + "High Private Use Surrogates": range(56192, 56320), + "Low Surrogates": range(56320, 57344), + "Private Use Area": range(57344, 63744), + "CJK Compatibility Ideographs": range(63744, 64256), + "Alphabetic Presentation Forms": range(64256, 64336), + "Arabic Presentation Forms-A": range(64336, 65024), + "Variation Selectors": range(65024, 65040), + "Vertical Forms": range(65040, 65056), + "Combining Half Marks": range(65056, 65072), + "CJK Compatibility Forms": range(65072, 65104), + "Small Form Variants": range(65104, 65136), + "Arabic Presentation Forms-B": range(65136, 65280), + "Halfwidth and Fullwidth Forms": range(65280, 65520), + "Specials": range(65520, 65536), + "Linear B Syllabary": range(65536, 65664), + "Linear B Ideograms": range(65664, 65792), + "Aegean Numbers": range(65792, 65856), + "Ancient Greek Numbers": range(65856, 65936), + "Ancient Symbols": range(65936, 66000), + "Phaistos Disc": range(66000, 66048), + "Lycian": range(66176, 66208), + "Carian": range(66208, 66272), + "Coptic Epact Numbers": range(66272, 66304), + "Old Italic": range(66304, 66352), + "Gothic": range(66352, 66384), + "Old Permic": range(66384, 66432), + "Ugaritic": range(66432, 66464), + "Old Persian": range(66464, 66528), + "Deseret": range(66560, 66640), + "Shavian": range(66640, 66688), + "Osmanya": range(66688, 66736), + "Osage": range(66736, 66816), + "Elbasan": range(66816, 66864), + "Caucasian Albanian": range(66864, 66928), + "Vithkuqi": range(66928, 67008), + "Linear A": range(67072, 67456), + "Latin Extended-F": range(67456, 67520), + "Cypriot Syllabary": range(67584, 67648), + "Imperial Aramaic": range(67648, 67680), + "Palmyrene": range(67680, 67712), + "Nabataean": range(67712, 67760), + "Hatran": range(67808, 67840), + "Phoenician": range(67840, 67872), + "Lydian": range(67872, 67904), + "Meroitic Hieroglyphs": range(67968, 68000), + "Meroitic Cursive": range(68000, 68096), + "Kharoshthi": range(68096, 68192), + "Old South Arabian": range(68192, 68224), + "Old North Arabian": range(68224, 68256), + "Manichaean": range(68288, 68352), + "Avestan": range(68352, 68416), + "Inscriptional Parthian": range(68416, 68448), + "Inscriptional Pahlavi": range(68448, 68480), + "Psalter Pahlavi": range(68480, 68528), + "Old Turkic": range(68608, 68688), + "Old Hungarian": range(68736, 68864), + "Hanifi Rohingya": range(68864, 68928), + "Rumi Numeral Symbols": range(69216, 69248), + "Yezidi": range(69248, 69312), + "Arabic Extended-C": range(69312, 69376), + "Old Sogdian": range(69376, 69424), + "Sogdian": range(69424, 69488), + "Old Uyghur": range(69488, 69552), + "Chorasmian": range(69552, 69600), + "Elymaic": range(69600, 69632), + "Brahmi": range(69632, 69760), + "Kaithi": range(69760, 69840), + "Sora Sompeng": range(69840, 69888), + "Chakma": range(69888, 69968), + "Mahajani": range(69968, 70016), + "Sharada": range(70016, 70112), + "Sinhala Archaic Numbers": range(70112, 70144), + "Khojki": range(70144, 70224), + "Multani": range(70272, 70320), + "Khudawadi": range(70320, 70400), + "Grantha": range(70400, 70528), + "Newa": range(70656, 70784), + "Tirhuta": range(70784, 70880), + "Siddham": range(71040, 71168), + "Modi": range(71168, 71264), + "Mongolian Supplement": range(71264, 71296), + "Takri": range(71296, 71376), + "Ahom": range(71424, 71504), + "Dogra": range(71680, 71760), + "Warang Citi": range(71840, 71936), + "Dives Akuru": range(71936, 72032), + "Nandinagari": range(72096, 72192), + "Zanabazar Square": range(72192, 72272), + "Soyombo": range(72272, 72368), + "Unified Canadian Aboriginal Syllabics Extended-A": range(72368, 72384), + "Pau Cin Hau": range(72384, 72448), + "Devanagari Extended-A": range(72448, 72544), + "Bhaiksuki": range(72704, 72816), + "Marchen": range(72816, 72896), + "Masaram Gondi": range(72960, 73056), + "Gunjala Gondi": range(73056, 73136), + "Makasar": range(73440, 73472), + "Kawi": range(73472, 73568), + "Lisu Supplement": range(73648, 73664), + "Tamil Supplement": range(73664, 73728), + "Cuneiform": range(73728, 74752), + "Cuneiform Numbers and Punctuation": range(74752, 74880), + "Early Dynastic Cuneiform": range(74880, 75088), + "Cypro-Minoan": range(77712, 77824), + "Egyptian Hieroglyphs": range(77824, 78896), + "Egyptian Hieroglyph Format Controls": range(78896, 78944), + "Anatolian Hieroglyphs": range(82944, 83584), + "Bamum Supplement": range(92160, 92736), + "Mro": range(92736, 92784), + "Tangsa": range(92784, 92880), + "Bassa Vah": range(92880, 92928), + "Pahawh Hmong": range(92928, 93072), + "Medefaidrin": range(93760, 93856), + "Miao": range(93952, 94112), + "Ideographic Symbols and Punctuation": range(94176, 94208), + "Tangut": range(94208, 100352), + "Tangut Components": range(100352, 101120), + "Khitan Small Script": range(101120, 101632), + "Tangut Supplement": range(101632, 101760), + "Kana Extended-B": range(110576, 110592), + "Kana Supplement": range(110592, 110848), + "Kana Extended-A": range(110848, 110896), + "Small Kana Extension": range(110896, 110960), + "Nushu": range(110960, 111360), + "Duployan": range(113664, 113824), + "Shorthand Format Controls": range(113824, 113840), + "Znamenny Musical Notation": range(118528, 118736), + "Byzantine Musical Symbols": range(118784, 119040), + "Musical Symbols": range(119040, 119296), + "Ancient Greek Musical Notation": range(119296, 119376), + "Kaktovik Numerals": range(119488, 119520), + "Mayan Numerals": range(119520, 119552), + "Tai Xuan Jing Symbols": range(119552, 119648), + "Counting Rod Numerals": range(119648, 119680), + "Mathematical Alphanumeric Symbols": range(119808, 120832), + "Sutton SignWriting": range(120832, 121520), + "Latin Extended-G": range(122624, 122880), + "Glagolitic Supplement": range(122880, 122928), + "Cyrillic Extended-D": range(122928, 123024), + "Nyiakeng Puachue Hmong": range(123136, 123216), + "Toto": range(123536, 123584), + "Wancho": range(123584, 123648), + "Nag Mundari": range(124112, 124160), + "Ethiopic Extended-B": range(124896, 124928), + "Mende Kikakui": range(124928, 125152), + "Adlam": range(125184, 125280), + "Indic Siyaq Numbers": range(126064, 126144), + "Ottoman Siyaq Numbers": range(126208, 126288), + "Arabic Mathematical Alphabetic Symbols": range(126464, 126720), + "Mahjong Tiles": range(126976, 127024), + "Domino Tiles": range(127024, 127136), + "Playing Cards": range(127136, 127232), + "Enclosed Alphanumeric Supplement": range(127232, 127488), + "Enclosed Ideographic Supplement": range(127488, 127744), + "Miscellaneous Symbols and Pictographs": range(127744, 128512), + "Emoticons range(Emoji)": range(128512, 128592), + "Ornamental Dingbats": range(128592, 128640), + "Transport and Map Symbols": range(128640, 128768), + "Alchemical Symbols": range(128768, 128896), + "Geometric Shapes Extended": range(128896, 129024), + "Supplemental Arrows-C": range(129024, 129280), + "Supplemental Symbols and Pictographs": range(129280, 129536), + "Chess Symbols": range(129536, 129648), + "Symbols and Pictographs Extended-A": range(129648, 129792), + "Symbols for Legacy Computing": range(129792, 130048), + "CJK Unified Ideographs Extension B": range(131072, 173792), + "CJK Unified Ideographs Extension C": range(173824, 177984), + "CJK Unified Ideographs Extension D": range(177984, 178208), + "CJK Unified Ideographs Extension E": range(178208, 183984), + "CJK Unified Ideographs Extension F": range(183984, 191472), + "CJK Compatibility Ideographs Supplement": range(194560, 195104), + "CJK Unified Ideographs Extension G": range(196608, 201552), + "CJK Unified Ideographs Extension H": range(201552, 205744), + "Tags": range(917504, 917632), + "Variation Selectors Supplement": range(917760, 918000), + "Supplementary Private Use Area-A": range(983040, 1048576), + "Supplementary Private Use Area-B": range(1048576, 1114112), +} + + +UNICODE_SECONDARY_RANGE_KEYWORD: List[str] = [ + "Supplement", + "Extended", + "Extensions", + "Modifier", + "Marks", + "Punctuation", + "Symbols", + "Forms", + "Operators", + "Miscellaneous", + "Drawing", + "Block", + "Shapes", + "Supplemental", + "Tags", +] + +RE_POSSIBLE_ENCODING_INDICATION = re_compile( + r"(?:(?:encoding)|(?:charset)|(?:coding))(?:[\:= ]{1,10})(?:[\"\']?)([a-zA-Z0-9\-_]+)(?:[\"\']?)", + IGNORECASE, +) + +IANA_NO_ALIASES = [ + "cp720", + "cp737", + "cp856", + "cp874", + "cp875", + "cp1006", + "koi8_r", + "koi8_t", + "koi8_u", +] + +IANA_SUPPORTED: List[str] = sorted( + filter( + lambda x: x.endswith("_codec") is False + and x not in {"rot_13", "tactis", "mbcs"}, + list(set(aliases.values())) + IANA_NO_ALIASES, + ) +) + +IANA_SUPPORTED_COUNT: int = len(IANA_SUPPORTED) + +# pre-computed code page that are similar using the function cp_similarity. +IANA_SUPPORTED_SIMILAR: Dict[str, List[str]] = { + "cp037": ["cp1026", "cp1140", "cp273", "cp500"], + "cp1026": ["cp037", "cp1140", "cp273", "cp500"], + "cp1125": ["cp866"], + "cp1140": ["cp037", "cp1026", "cp273", "cp500"], + "cp1250": ["iso8859_2"], + "cp1251": ["kz1048", "ptcp154"], + "cp1252": ["iso8859_15", "iso8859_9", "latin_1"], + "cp1253": ["iso8859_7"], + "cp1254": ["iso8859_15", "iso8859_9", "latin_1"], + "cp1257": ["iso8859_13"], + "cp273": ["cp037", "cp1026", "cp1140", "cp500"], + "cp437": ["cp850", "cp858", "cp860", "cp861", "cp862", "cp863", "cp865"], + "cp500": ["cp037", "cp1026", "cp1140", "cp273"], + "cp850": ["cp437", "cp857", "cp858", "cp865"], + "cp857": ["cp850", "cp858", "cp865"], + "cp858": ["cp437", "cp850", "cp857", "cp865"], + "cp860": ["cp437", "cp861", "cp862", "cp863", "cp865"], + "cp861": ["cp437", "cp860", "cp862", "cp863", "cp865"], + "cp862": ["cp437", "cp860", "cp861", "cp863", "cp865"], + "cp863": ["cp437", "cp860", "cp861", "cp862", "cp865"], + "cp865": ["cp437", "cp850", "cp857", "cp858", "cp860", "cp861", "cp862", "cp863"], + "cp866": ["cp1125"], + "iso8859_10": ["iso8859_14", "iso8859_15", "iso8859_4", "iso8859_9", "latin_1"], + "iso8859_11": ["tis_620"], + "iso8859_13": ["cp1257"], + "iso8859_14": [ + "iso8859_10", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_9", + "latin_1", + ], + "iso8859_15": [ + "cp1252", + "cp1254", + "iso8859_10", + "iso8859_14", + "iso8859_16", + "iso8859_3", + "iso8859_9", + "latin_1", + ], + "iso8859_16": [ + "iso8859_14", + "iso8859_15", + "iso8859_2", + "iso8859_3", + "iso8859_9", + "latin_1", + ], + "iso8859_2": ["cp1250", "iso8859_16", "iso8859_4"], + "iso8859_3": ["iso8859_14", "iso8859_15", "iso8859_16", "iso8859_9", "latin_1"], + "iso8859_4": ["iso8859_10", "iso8859_2", "iso8859_9", "latin_1"], + "iso8859_7": ["cp1253"], + "iso8859_9": [ + "cp1252", + "cp1254", + "cp1258", + "iso8859_10", + "iso8859_14", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_4", + "latin_1", + ], + "kz1048": ["cp1251", "ptcp154"], + "latin_1": [ + "cp1252", + "cp1254", + "cp1258", + "iso8859_10", + "iso8859_14", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_4", + "iso8859_9", + ], + "mac_iceland": ["mac_roman", "mac_turkish"], + "mac_roman": ["mac_iceland", "mac_turkish"], + "mac_turkish": ["mac_iceland", "mac_roman"], + "ptcp154": ["cp1251", "kz1048"], + "tis_620": ["iso8859_11"], +} + + +CHARDET_CORRESPONDENCE: Dict[str, str] = { + "iso2022_kr": "ISO-2022-KR", + "iso2022_jp": "ISO-2022-JP", + "euc_kr": "EUC-KR", + "tis_620": "TIS-620", + "utf_32": "UTF-32", + "euc_jp": "EUC-JP", + "koi8_r": "KOI8-R", + "iso8859_1": "ISO-8859-1", + "iso8859_2": "ISO-8859-2", + "iso8859_5": "ISO-8859-5", + "iso8859_6": "ISO-8859-6", + "iso8859_7": "ISO-8859-7", + "iso8859_8": "ISO-8859-8", + "utf_16": "UTF-16", + "cp855": "IBM855", + "mac_cyrillic": "MacCyrillic", + "gb2312": "GB2312", + "gb18030": "GB18030", + "cp932": "CP932", + "cp866": "IBM866", + "utf_8": "utf-8", + "utf_8_sig": "UTF-8-SIG", + "shift_jis": "SHIFT_JIS", + "big5": "Big5", + "cp1250": "windows-1250", + "cp1251": "windows-1251", + "cp1252": "Windows-1252", + "cp1253": "windows-1253", + "cp1255": "windows-1255", + "cp1256": "windows-1256", + "cp1254": "Windows-1254", + "cp949": "CP949", +} + + +COMMON_SAFE_ASCII_CHARACTERS: Set[str] = { + "<", + ">", + "=", + ":", + "/", + "&", + ";", + "{", + "}", + "[", + "]", + ",", + "|", + '"', + "-", +} + + +KO_NAMES: Set[str] = {"johab", "cp949", "euc_kr"} +ZH_NAMES: Set[str] = {"big5", "cp950", "big5hkscs", "hz"} + +# Logging LEVEL below DEBUG +TRACE: int = 5 + + +# Language label that contain the em dash "—" +# character are to be considered alternative seq to origin +FREQUENCIES: Dict[str, List[str]] = { + "English": [ + "e", + "a", + "t", + "i", + "o", + "n", + "s", + "r", + "h", + "l", + "d", + "c", + "u", + "m", + "f", + "p", + "g", + "w", + "y", + "b", + "v", + "k", + "x", + "j", + "z", + "q", + ], + "English—": [ + "e", + "a", + "t", + "i", + "o", + "n", + "s", + "r", + "h", + "l", + "d", + "c", + "m", + "u", + "f", + "p", + "g", + "w", + "b", + "y", + "v", + "k", + "j", + "x", + "z", + "q", + ], + "German": [ + "e", + "n", + "i", + "r", + "s", + "t", + "a", + "d", + "h", + "u", + "l", + "g", + "o", + "c", + "m", + "b", + "f", + "k", + "w", + "z", + "p", + "v", + "ü", + "ä", + "ö", + "j", + ], + "French": [ + "e", + "a", + "s", + "n", + "i", + "t", + "r", + "l", + "u", + "o", + "d", + "c", + "p", + "m", + "é", + "v", + "g", + "f", + "b", + "h", + "q", + "à", + "x", + "è", + "y", + "j", + ], + "Dutch": [ + "e", + "n", + "a", + "i", + "r", + "t", + "o", + "d", + "s", + "l", + "g", + "h", + "v", + "m", + "u", + "k", + "c", + "p", + "b", + "w", + "j", + "z", + "f", + "y", + "x", + "ë", + ], + "Italian": [ + "e", + "i", + "a", + "o", + "n", + "l", + "t", + "r", + "s", + "c", + "d", + "u", + "p", + "m", + "g", + "v", + "f", + "b", + "z", + "h", + "q", + "è", + "à", + "k", + "y", + "ò", + ], + "Polish": [ + "a", + "i", + "o", + "e", + "n", + "r", + "z", + "w", + "s", + "c", + "t", + "k", + "y", + "d", + "p", + "m", + "u", + "l", + "j", + "ł", + "g", + "b", + "h", + "ą", + "ę", + "ó", + ], + "Spanish": [ + "e", + "a", + "o", + "n", + "s", + "r", + "i", + "l", + "d", + "t", + "c", + "u", + "m", + "p", + "b", + "g", + "v", + "f", + "y", + "ó", + "h", + "q", + "í", + "j", + "z", + "á", + ], + "Russian": [ + "о", + "а", + "е", + "и", + "н", + "с", + "т", + "р", + "в", + "л", + "к", + "м", + "д", + "п", + "у", + "г", + "я", + "ы", + "з", + "б", + "й", + "ь", + "ч", + "х", + "ж", + "ц", + ], + # Jap-Kanji + "Japanese": [ + "人", + "一", + "大", + "亅", + "丁", + "丨", + "竹", + "笑", + "口", + "日", + "今", + "二", + "彳", + "行", + "十", + "土", + "丶", + "寸", + "寺", + "時", + "乙", + "丿", + "乂", + "气", + "気", + "冂", + "巾", + "亠", + "市", + "目", + "儿", + "見", + "八", + "小", + "凵", + "県", + "月", + "彐", + "門", + "間", + "木", + "東", + "山", + "出", + "本", + "中", + "刀", + "分", + "耳", + "又", + "取", + "最", + "言", + "田", + "心", + "思", + "刂", + "前", + "京", + "尹", + "事", + "生", + "厶", + "云", + "会", + "未", + "来", + "白", + "冫", + "楽", + "灬", + "馬", + "尸", + "尺", + "駅", + "明", + "耂", + "者", + "了", + "阝", + "都", + "高", + "卜", + "占", + "厂", + "广", + "店", + "子", + "申", + "奄", + "亻", + "俺", + "上", + "方", + "冖", + "学", + "衣", + "艮", + "食", + "自", + ], + # Jap-Katakana + "Japanese—": [ + "ー", + "ン", + "ス", + "・", + "ル", + "ト", + "リ", + "イ", + "ア", + "ラ", + "ッ", + "ク", + "ド", + "シ", + "レ", + "ジ", + "タ", + "フ", + "ロ", + "カ", + "テ", + "マ", + "ィ", + "グ", + "バ", + "ム", + "プ", + "オ", + "コ", + "デ", + "ニ", + "ウ", + "メ", + "サ", + "ビ", + "ナ", + "ブ", + "ャ", + "エ", + "ュ", + "チ", + "キ", + "ズ", + "ダ", + "パ", + "ミ", + "ェ", + "ョ", + "ハ", + "セ", + "ベ", + "ガ", + "モ", + "ツ", + "ネ", + "ボ", + "ソ", + "ノ", + "ァ", + "ヴ", + "ワ", + "ポ", + "ペ", + "ピ", + "ケ", + "ゴ", + "ギ", + "ザ", + "ホ", + "ゲ", + "ォ", + "ヤ", + "ヒ", + "ユ", + "ヨ", + "ヘ", + "ゼ", + "ヌ", + "ゥ", + "ゾ", + "ヶ", + "ヂ", + "ヲ", + "ヅ", + "ヵ", + "ヱ", + "ヰ", + "ヮ", + "ヽ", + "゠", + "ヾ", + "ヷ", + "ヿ", + "ヸ", + "ヹ", + "ヺ", + ], + # Jap-Hiragana + "Japanese——": [ + "の", + "に", + "る", + "た", + "と", + "は", + "し", + "い", + "を", + "で", + "て", + "が", + "な", + "れ", + "か", + "ら", + "さ", + "っ", + "り", + "す", + "あ", + "も", + "こ", + "ま", + "う", + "く", + "よ", + "き", + "ん", + "め", + "お", + "け", + "そ", + "つ", + "だ", + "や", + "え", + "ど", + "わ", + "ち", + "み", + "せ", + "じ", + "ば", + "へ", + "び", + "ず", + "ろ", + "ほ", + "げ", + "む", + "べ", + "ひ", + "ょ", + "ゆ", + "ぶ", + "ご", + "ゃ", + "ね", + "ふ", + "ぐ", + "ぎ", + "ぼ", + "ゅ", + "づ", + "ざ", + "ぞ", + "ぬ", + "ぜ", + "ぱ", + "ぽ", + "ぷ", + "ぴ", + "ぃ", + "ぁ", + "ぇ", + "ぺ", + "ゞ", + "ぢ", + "ぉ", + "ぅ", + "ゐ", + "ゝ", + "ゑ", + "゛", + "゜", + "ゎ", + "ゔ", + "゚", + "ゟ", + "゙", + "ゕ", + "ゖ", + ], + "Portuguese": [ + "a", + "e", + "o", + "s", + "i", + "r", + "d", + "n", + "t", + "m", + "u", + "c", + "l", + "p", + "g", + "v", + "b", + "f", + "h", + "ã", + "q", + "é", + "ç", + "á", + "z", + "í", + ], + "Swedish": [ + "e", + "a", + "n", + "r", + "t", + "s", + "i", + "l", + "d", + "o", + "m", + "k", + "g", + "v", + "h", + "f", + "u", + "p", + "ä", + "c", + "b", + "ö", + "å", + "y", + "j", + "x", + ], + "Chinese": [ + "的", + "一", + "是", + "不", + "了", + "在", + "人", + "有", + "我", + "他", + "这", + "个", + "们", + "中", + "来", + "上", + "大", + "为", + "和", + "国", + "地", + "到", + "以", + "说", + "时", + "要", + "就", + "出", + "会", + "可", + "也", + "你", + "对", + "生", + "能", + "而", + "子", + "那", + "得", + "于", + "着", + "下", + "自", + "之", + "年", + "过", + "发", + "后", + "作", + "里", + "用", + "道", + "行", + "所", + "然", + "家", + "种", + "事", + "成", + "方", + "多", + "经", + "么", + "去", + "法", + "学", + "如", + "都", + "同", + "现", + "当", + "没", + "动", + "面", + "起", + "看", + "定", + "天", + "分", + "还", + "进", + "好", + "小", + "部", + "其", + "些", + "主", + "样", + "理", + "心", + "她", + "本", + "前", + "开", + "但", + "因", + "只", + "从", + "想", + "实", + ], + "Ukrainian": [ + "о", + "а", + "н", + "і", + "и", + "р", + "в", + "т", + "е", + "с", + "к", + "л", + "у", + "д", + "м", + "п", + "з", + "я", + "ь", + "б", + "г", + "й", + "ч", + "х", + "ц", + "ї", + ], + "Norwegian": [ + "e", + "r", + "n", + "t", + "a", + "s", + "i", + "o", + "l", + "d", + "g", + "k", + "m", + "v", + "f", + "p", + "u", + "b", + "h", + "å", + "y", + "j", + "ø", + "c", + "æ", + "w", + ], + "Finnish": [ + "a", + "i", + "n", + "t", + "e", + "s", + "l", + "o", + "u", + "k", + "ä", + "m", + "r", + "v", + "j", + "h", + "p", + "y", + "d", + "ö", + "g", + "c", + "b", + "f", + "w", + "z", + ], + "Vietnamese": [ + "n", + "h", + "t", + "i", + "c", + "g", + "a", + "o", + "u", + "m", + "l", + "r", + "à", + "đ", + "s", + "e", + "v", + "p", + "b", + "y", + "ư", + "d", + "á", + "k", + "ộ", + "ế", + ], + "Czech": [ + "o", + "e", + "a", + "n", + "t", + "s", + "i", + "l", + "v", + "r", + "k", + "d", + "u", + "m", + "p", + "í", + "c", + "h", + "z", + "á", + "y", + "j", + "b", + "ě", + "é", + "ř", + ], + "Hungarian": [ + "e", + "a", + "t", + "l", + "s", + "n", + "k", + "r", + "i", + "o", + "z", + "á", + "é", + "g", + "m", + "b", + "y", + "v", + "d", + "h", + "u", + "p", + "j", + "ö", + "f", + "c", + ], + "Korean": [ + "이", + "다", + "에", + "의", + "는", + "로", + "하", + "을", + "가", + "고", + "지", + "서", + "한", + "은", + "기", + "으", + "년", + "대", + "사", + "시", + "를", + "리", + "도", + "인", + "스", + "일", + ], + "Indonesian": [ + "a", + "n", + "e", + "i", + "r", + "t", + "u", + "s", + "d", + "k", + "m", + "l", + "g", + "p", + "b", + "o", + "h", + "y", + "j", + "c", + "w", + "f", + "v", + "z", + "x", + "q", + ], + "Turkish": [ + "a", + "e", + "i", + "n", + "r", + "l", + "ı", + "k", + "d", + "t", + "s", + "m", + "y", + "u", + "o", + "b", + "ü", + "ş", + "v", + "g", + "z", + "h", + "c", + "p", + "ç", + "ğ", + ], + "Romanian": [ + "e", + "i", + "a", + "r", + "n", + "t", + "u", + "l", + "o", + "c", + "s", + "d", + "p", + "m", + "ă", + "f", + "v", + "î", + "g", + "b", + "ș", + "ț", + "z", + "h", + "â", + "j", + ], + "Farsi": [ + "ا", + "ی", + "ر", + "د", + "ن", + "ه", + "و", + "م", + "ت", + "ب", + "س", + "ل", + "ک", + "ش", + "ز", + "ف", + "گ", + "ع", + "خ", + "ق", + "ج", + "آ", + "پ", + "ح", + "ط", + "ص", + ], + "Arabic": [ + "ا", + "ل", + "ي", + "م", + "و", + "ن", + "ر", + "ت", + "ب", + "ة", + "ع", + "د", + "س", + "ف", + "ه", + "ك", + "ق", + "أ", + "ح", + "ج", + "ش", + "ط", + "ص", + "ى", + "خ", + "إ", + ], + "Danish": [ + "e", + "r", + "n", + "t", + "a", + "i", + "s", + "d", + "l", + "o", + "g", + "m", + "k", + "f", + "v", + "u", + "b", + "h", + "p", + "å", + "y", + "ø", + "æ", + "c", + "j", + "w", + ], + "Serbian": [ + "а", + "и", + "о", + "е", + "н", + "р", + "с", + "у", + "т", + "к", + "ј", + "в", + "д", + "м", + "п", + "л", + "г", + "з", + "б", + "a", + "i", + "e", + "o", + "n", + "ц", + "ш", + ], + "Lithuanian": [ + "i", + "a", + "s", + "o", + "r", + "e", + "t", + "n", + "u", + "k", + "m", + "l", + "p", + "v", + "d", + "j", + "g", + "ė", + "b", + "y", + "ų", + "š", + "ž", + "c", + "ą", + "į", + ], + "Slovene": [ + "e", + "a", + "i", + "o", + "n", + "r", + "s", + "l", + "t", + "j", + "v", + "k", + "d", + "p", + "m", + "u", + "z", + "b", + "g", + "h", + "č", + "c", + "š", + "ž", + "f", + "y", + ], + "Slovak": [ + "o", + "a", + "e", + "n", + "i", + "r", + "v", + "t", + "s", + "l", + "k", + "d", + "m", + "p", + "u", + "c", + "h", + "j", + "b", + "z", + "á", + "y", + "ý", + "í", + "č", + "é", + ], + "Hebrew": [ + "י", + "ו", + "ה", + "ל", + "ר", + "ב", + "ת", + "מ", + "א", + "ש", + "נ", + "ע", + "ם", + "ד", + "ק", + "ח", + "פ", + "ס", + "כ", + "ג", + "ט", + "צ", + "ן", + "ז", + "ך", + ], + "Bulgarian": [ + "а", + "и", + "о", + "е", + "н", + "т", + "р", + "с", + "в", + "л", + "к", + "д", + "п", + "м", + "з", + "г", + "я", + "ъ", + "у", + "б", + "ч", + "ц", + "й", + "ж", + "щ", + "х", + ], + "Croatian": [ + "a", + "i", + "o", + "e", + "n", + "r", + "j", + "s", + "t", + "u", + "k", + "l", + "v", + "d", + "m", + "p", + "g", + "z", + "b", + "c", + "č", + "h", + "š", + "ž", + "ć", + "f", + ], + "Hindi": [ + "क", + "र", + "स", + "न", + "त", + "म", + "ह", + "प", + "य", + "ल", + "व", + "ज", + "द", + "ग", + "ब", + "श", + "ट", + "अ", + "ए", + "थ", + "भ", + "ड", + "च", + "ध", + "ष", + "इ", + ], + "Estonian": [ + "a", + "i", + "e", + "s", + "t", + "l", + "u", + "n", + "o", + "k", + "r", + "d", + "m", + "v", + "g", + "p", + "j", + "h", + "ä", + "b", + "õ", + "ü", + "f", + "c", + "ö", + "y", + ], + "Thai": [ + "า", + "น", + "ร", + "อ", + "ก", + "เ", + "ง", + "ม", + "ย", + "ล", + "ว", + "ด", + "ท", + "ส", + "ต", + "ะ", + "ป", + "บ", + "ค", + "ห", + "แ", + "จ", + "พ", + "ช", + "ข", + "ใ", + ], + "Greek": [ + "α", + "τ", + "ο", + "ι", + "ε", + "ν", + "ρ", + "σ", + "κ", + "η", + "π", + "ς", + "υ", + "μ", + "λ", + "ί", + "ό", + "ά", + "γ", + "έ", + "δ", + "ή", + "ω", + "χ", + "θ", + "ύ", + ], + "Tamil": [ + "க", + "த", + "ப", + "ட", + "ர", + "ம", + "ல", + "ன", + "வ", + "ற", + "ய", + "ள", + "ச", + "ந", + "இ", + "ண", + "அ", + "ஆ", + "ழ", + "ங", + "எ", + "உ", + "ஒ", + "ஸ", + ], + "Kazakh": [ + "а", + "ы", + "е", + "н", + "т", + "р", + "л", + "і", + "д", + "с", + "м", + "қ", + "к", + "о", + "б", + "и", + "у", + "ғ", + "ж", + "ң", + "з", + "ш", + "й", + "п", + "г", + "ө", + ], +} + +LANGUAGE_SUPPORTED_COUNT: int = len(FREQUENCIES) diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/legacy.py b/venv/lib/python3.12/site-packages/charset_normalizer/legacy.py new file mode 100644 index 0000000..43aad21 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/legacy.py @@ -0,0 +1,54 @@ +from typing import Any, Dict, Optional, Union +from warnings import warn + +from .api import from_bytes +from .constant import CHARDET_CORRESPONDENCE + + +def detect( + byte_str: bytes, should_rename_legacy: bool = False, **kwargs: Any +) -> Dict[str, Optional[Union[str, float]]]: + """ + chardet legacy method + Detect the encoding of the given byte string. It should be mostly backward-compatible. + Encoding name will match Chardet own writing whenever possible. (Not on encoding name unsupported by it) + This function is deprecated and should be used to migrate your project easily, consult the documentation for + further information. Not planned for removal. + + :param byte_str: The byte sequence to examine. + :param should_rename_legacy: Should we rename legacy encodings + to their more modern equivalents? + """ + if len(kwargs): + warn( + f"charset-normalizer disregard arguments '{','.join(list(kwargs.keys()))}' in legacy function detect()" + ) + + if not isinstance(byte_str, (bytearray, bytes)): + raise TypeError( # pragma: nocover + "Expected object of type bytes or bytearray, got: " + "{0}".format(type(byte_str)) + ) + + if isinstance(byte_str, bytearray): + byte_str = bytes(byte_str) + + r = from_bytes(byte_str).best() + + encoding = r.encoding if r is not None else None + language = r.language if r is not None and r.language != "Unknown" else "" + confidence = 1.0 - r.chaos if r is not None else None + + # Note: CharsetNormalizer does not return 'UTF-8-SIG' as the sig get stripped in the detection/normalization process + # but chardet does return 'utf-8-sig' and it is a valid codec name. + if r is not None and encoding == "utf_8" and r.bom: + encoding += "_sig" + + if should_rename_legacy is False and encoding in CHARDET_CORRESPONDENCE: + encoding = CHARDET_CORRESPONDENCE[encoding] + + return { + "encoding": encoding, + "language": language, + "confidence": confidence, + } diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/md.cpython-312-x86_64-linux-gnu.so b/venv/lib/python3.12/site-packages/charset_normalizer/md.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000..3d0b46a Binary files /dev/null and b/venv/lib/python3.12/site-packages/charset_normalizer/md.cpython-312-x86_64-linux-gnu.so differ diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/md.py b/venv/lib/python3.12/site-packages/charset_normalizer/md.py new file mode 100644 index 0000000..77897aa --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/md.py @@ -0,0 +1,615 @@ +from functools import lru_cache +from logging import getLogger +from typing import List, Optional + +from .constant import ( + COMMON_SAFE_ASCII_CHARACTERS, + TRACE, + UNICODE_SECONDARY_RANGE_KEYWORD, +) +from .utils import ( + is_accentuated, + is_arabic, + is_arabic_isolated_form, + is_case_variable, + is_cjk, + is_emoticon, + is_hangul, + is_hiragana, + is_katakana, + is_latin, + is_punctuation, + is_separator, + is_symbol, + is_thai, + is_unprintable, + remove_accent, + unicode_range, +) + + +class MessDetectorPlugin: + """ + Base abstract class used for mess detection plugins. + All detectors MUST extend and implement given methods. + """ + + def eligible(self, character: str) -> bool: + """ + Determine if given character should be fed in. + """ + raise NotImplementedError # pragma: nocover + + def feed(self, character: str) -> None: + """ + The main routine to be executed upon character. + Insert the logic in witch the text would be considered chaotic. + """ + raise NotImplementedError # pragma: nocover + + def reset(self) -> None: # pragma: no cover + """ + Permit to reset the plugin to the initial state. + """ + raise NotImplementedError + + @property + def ratio(self) -> float: + """ + Compute the chaos ratio based on what your feed() has seen. + Must NOT be lower than 0.; No restriction gt 0. + """ + raise NotImplementedError # pragma: nocover + + +class TooManySymbolOrPunctuationPlugin(MessDetectorPlugin): + def __init__(self) -> None: + self._punctuation_count: int = 0 + self._symbol_count: int = 0 + self._character_count: int = 0 + + self._last_printable_char: Optional[str] = None + self._frenzy_symbol_in_word: bool = False + + def eligible(self, character: str) -> bool: + return character.isprintable() + + def feed(self, character: str) -> None: + self._character_count += 1 + + if ( + character != self._last_printable_char + and character not in COMMON_SAFE_ASCII_CHARACTERS + ): + if is_punctuation(character): + self._punctuation_count += 1 + elif ( + character.isdigit() is False + and is_symbol(character) + and is_emoticon(character) is False + ): + self._symbol_count += 2 + + self._last_printable_char = character + + def reset(self) -> None: # pragma: no cover + self._punctuation_count = 0 + self._character_count = 0 + self._symbol_count = 0 + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0.0 + + ratio_of_punctuation: float = ( + self._punctuation_count + self._symbol_count + ) / self._character_count + + return ratio_of_punctuation if ratio_of_punctuation >= 0.3 else 0.0 + + +class TooManyAccentuatedPlugin(MessDetectorPlugin): + def __init__(self) -> None: + self._character_count: int = 0 + self._accentuated_count: int = 0 + + def eligible(self, character: str) -> bool: + return character.isalpha() + + def feed(self, character: str) -> None: + self._character_count += 1 + + if is_accentuated(character): + self._accentuated_count += 1 + + def reset(self) -> None: # pragma: no cover + self._character_count = 0 + self._accentuated_count = 0 + + @property + def ratio(self) -> float: + if self._character_count < 8: + return 0.0 + + ratio_of_accentuation: float = self._accentuated_count / self._character_count + return ratio_of_accentuation if ratio_of_accentuation >= 0.35 else 0.0 + + +class UnprintablePlugin(MessDetectorPlugin): + def __init__(self) -> None: + self._unprintable_count: int = 0 + self._character_count: int = 0 + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + if is_unprintable(character): + self._unprintable_count += 1 + self._character_count += 1 + + def reset(self) -> None: # pragma: no cover + self._unprintable_count = 0 + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0.0 + + return (self._unprintable_count * 8) / self._character_count + + +class SuspiciousDuplicateAccentPlugin(MessDetectorPlugin): + def __init__(self) -> None: + self._successive_count: int = 0 + self._character_count: int = 0 + + self._last_latin_character: Optional[str] = None + + def eligible(self, character: str) -> bool: + return character.isalpha() and is_latin(character) + + def feed(self, character: str) -> None: + self._character_count += 1 + if ( + self._last_latin_character is not None + and is_accentuated(character) + and is_accentuated(self._last_latin_character) + ): + if character.isupper() and self._last_latin_character.isupper(): + self._successive_count += 1 + # Worse if its the same char duplicated with different accent. + if remove_accent(character) == remove_accent(self._last_latin_character): + self._successive_count += 1 + self._last_latin_character = character + + def reset(self) -> None: # pragma: no cover + self._successive_count = 0 + self._character_count = 0 + self._last_latin_character = None + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0.0 + + return (self._successive_count * 2) / self._character_count + + +class SuspiciousRange(MessDetectorPlugin): + def __init__(self) -> None: + self._suspicious_successive_range_count: int = 0 + self._character_count: int = 0 + self._last_printable_seen: Optional[str] = None + + def eligible(self, character: str) -> bool: + return character.isprintable() + + def feed(self, character: str) -> None: + self._character_count += 1 + + if ( + character.isspace() + or is_punctuation(character) + or character in COMMON_SAFE_ASCII_CHARACTERS + ): + self._last_printable_seen = None + return + + if self._last_printable_seen is None: + self._last_printable_seen = character + return + + unicode_range_a: Optional[str] = unicode_range(self._last_printable_seen) + unicode_range_b: Optional[str] = unicode_range(character) + + if is_suspiciously_successive_range(unicode_range_a, unicode_range_b): + self._suspicious_successive_range_count += 1 + + self._last_printable_seen = character + + def reset(self) -> None: # pragma: no cover + self._character_count = 0 + self._suspicious_successive_range_count = 0 + self._last_printable_seen = None + + @property + def ratio(self) -> float: + if self._character_count <= 24: + return 0.0 + + ratio_of_suspicious_range_usage: float = ( + self._suspicious_successive_range_count * 2 + ) / self._character_count + + return ratio_of_suspicious_range_usage + + +class SuperWeirdWordPlugin(MessDetectorPlugin): + def __init__(self) -> None: + self._word_count: int = 0 + self._bad_word_count: int = 0 + self._foreign_long_count: int = 0 + + self._is_current_word_bad: bool = False + self._foreign_long_watch: bool = False + + self._character_count: int = 0 + self._bad_character_count: int = 0 + + self._buffer: str = "" + self._buffer_accent_count: int = 0 + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + if character.isalpha(): + self._buffer += character + if is_accentuated(character): + self._buffer_accent_count += 1 + if ( + self._foreign_long_watch is False + and (is_latin(character) is False or is_accentuated(character)) + and is_cjk(character) is False + and is_hangul(character) is False + and is_katakana(character) is False + and is_hiragana(character) is False + and is_thai(character) is False + ): + self._foreign_long_watch = True + return + if not self._buffer: + return + if ( + character.isspace() or is_punctuation(character) or is_separator(character) + ) and self._buffer: + self._word_count += 1 + buffer_length: int = len(self._buffer) + + self._character_count += buffer_length + + if buffer_length >= 4: + if self._buffer_accent_count / buffer_length > 0.34: + self._is_current_word_bad = True + # Word/Buffer ending with an upper case accentuated letter are so rare, + # that we will consider them all as suspicious. Same weight as foreign_long suspicious. + if ( + is_accentuated(self._buffer[-1]) + and self._buffer[-1].isupper() + and all(_.isupper() for _ in self._buffer) is False + ): + self._foreign_long_count += 1 + self._is_current_word_bad = True + if buffer_length >= 24 and self._foreign_long_watch: + camel_case_dst = [ + i + for c, i in zip(self._buffer, range(0, buffer_length)) + if c.isupper() + ] + probable_camel_cased: bool = False + + if camel_case_dst and (len(camel_case_dst) / buffer_length <= 0.3): + probable_camel_cased = True + + if not probable_camel_cased: + self._foreign_long_count += 1 + self._is_current_word_bad = True + + if self._is_current_word_bad: + self._bad_word_count += 1 + self._bad_character_count += len(self._buffer) + self._is_current_word_bad = False + + self._foreign_long_watch = False + self._buffer = "" + self._buffer_accent_count = 0 + elif ( + character not in {"<", ">", "-", "=", "~", "|", "_"} + and character.isdigit() is False + and is_symbol(character) + ): + self._is_current_word_bad = True + self._buffer += character + + def reset(self) -> None: # pragma: no cover + self._buffer = "" + self._is_current_word_bad = False + self._foreign_long_watch = False + self._bad_word_count = 0 + self._word_count = 0 + self._character_count = 0 + self._bad_character_count = 0 + self._foreign_long_count = 0 + + @property + def ratio(self) -> float: + if self._word_count <= 10 and self._foreign_long_count == 0: + return 0.0 + + return self._bad_character_count / self._character_count + + +class CjkInvalidStopPlugin(MessDetectorPlugin): + """ + GB(Chinese) based encoding often render the stop incorrectly when the content does not fit and + can be easily detected. Searching for the overuse of '丅' and '丄'. + """ + + def __init__(self) -> None: + self._wrong_stop_count: int = 0 + self._cjk_character_count: int = 0 + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + if character in {"丅", "丄"}: + self._wrong_stop_count += 1 + return + if is_cjk(character): + self._cjk_character_count += 1 + + def reset(self) -> None: # pragma: no cover + self._wrong_stop_count = 0 + self._cjk_character_count = 0 + + @property + def ratio(self) -> float: + if self._cjk_character_count < 16: + return 0.0 + return self._wrong_stop_count / self._cjk_character_count + + +class ArchaicUpperLowerPlugin(MessDetectorPlugin): + def __init__(self) -> None: + self._buf: bool = False + + self._character_count_since_last_sep: int = 0 + + self._successive_upper_lower_count: int = 0 + self._successive_upper_lower_count_final: int = 0 + + self._character_count: int = 0 + + self._last_alpha_seen: Optional[str] = None + self._current_ascii_only: bool = True + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + is_concerned = character.isalpha() and is_case_variable(character) + chunk_sep = is_concerned is False + + if chunk_sep and self._character_count_since_last_sep > 0: + if ( + self._character_count_since_last_sep <= 64 + and character.isdigit() is False + and self._current_ascii_only is False + ): + self._successive_upper_lower_count_final += ( + self._successive_upper_lower_count + ) + + self._successive_upper_lower_count = 0 + self._character_count_since_last_sep = 0 + self._last_alpha_seen = None + self._buf = False + self._character_count += 1 + self._current_ascii_only = True + + return + + if self._current_ascii_only is True and character.isascii() is False: + self._current_ascii_only = False + + if self._last_alpha_seen is not None: + if (character.isupper() and self._last_alpha_seen.islower()) or ( + character.islower() and self._last_alpha_seen.isupper() + ): + if self._buf is True: + self._successive_upper_lower_count += 2 + self._buf = False + else: + self._buf = True + else: + self._buf = False + + self._character_count += 1 + self._character_count_since_last_sep += 1 + self._last_alpha_seen = character + + def reset(self) -> None: # pragma: no cover + self._character_count = 0 + self._character_count_since_last_sep = 0 + self._successive_upper_lower_count = 0 + self._successive_upper_lower_count_final = 0 + self._last_alpha_seen = None + self._buf = False + self._current_ascii_only = True + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0.0 + + return self._successive_upper_lower_count_final / self._character_count + + +class ArabicIsolatedFormPlugin(MessDetectorPlugin): + def __init__(self) -> None: + self._character_count: int = 0 + self._isolated_form_count: int = 0 + + def reset(self) -> None: # pragma: no cover + self._character_count = 0 + self._isolated_form_count = 0 + + def eligible(self, character: str) -> bool: + return is_arabic(character) + + def feed(self, character: str) -> None: + self._character_count += 1 + + if is_arabic_isolated_form(character): + self._isolated_form_count += 1 + + @property + def ratio(self) -> float: + if self._character_count < 8: + return 0.0 + + isolated_form_usage: float = self._isolated_form_count / self._character_count + + return isolated_form_usage + + +@lru_cache(maxsize=1024) +def is_suspiciously_successive_range( + unicode_range_a: Optional[str], unicode_range_b: Optional[str] +) -> bool: + """ + Determine if two Unicode range seen next to each other can be considered as suspicious. + """ + if unicode_range_a is None or unicode_range_b is None: + return True + + if unicode_range_a == unicode_range_b: + return False + + if "Latin" in unicode_range_a and "Latin" in unicode_range_b: + return False + + if "Emoticons" in unicode_range_a or "Emoticons" in unicode_range_b: + return False + + # Latin characters can be accompanied with a combining diacritical mark + # eg. Vietnamese. + if ("Latin" in unicode_range_a or "Latin" in unicode_range_b) and ( + "Combining" in unicode_range_a or "Combining" in unicode_range_b + ): + return False + + keywords_range_a, keywords_range_b = unicode_range_a.split( + " " + ), unicode_range_b.split(" ") + + for el in keywords_range_a: + if el in UNICODE_SECONDARY_RANGE_KEYWORD: + continue + if el in keywords_range_b: + return False + + # Japanese Exception + range_a_jp_chars, range_b_jp_chars = ( + unicode_range_a + in ( + "Hiragana", + "Katakana", + ), + unicode_range_b in ("Hiragana", "Katakana"), + ) + if (range_a_jp_chars or range_b_jp_chars) and ( + "CJK" in unicode_range_a or "CJK" in unicode_range_b + ): + return False + if range_a_jp_chars and range_b_jp_chars: + return False + + if "Hangul" in unicode_range_a or "Hangul" in unicode_range_b: + if "CJK" in unicode_range_a or "CJK" in unicode_range_b: + return False + if unicode_range_a == "Basic Latin" or unicode_range_b == "Basic Latin": + return False + + # Chinese/Japanese use dedicated range for punctuation and/or separators. + if ("CJK" in unicode_range_a or "CJK" in unicode_range_b) or ( + unicode_range_a in ["Katakana", "Hiragana"] + and unicode_range_b in ["Katakana", "Hiragana"] + ): + if "Punctuation" in unicode_range_a or "Punctuation" in unicode_range_b: + return False + if "Forms" in unicode_range_a or "Forms" in unicode_range_b: + return False + if unicode_range_a == "Basic Latin" or unicode_range_b == "Basic Latin": + return False + + return True + + +@lru_cache(maxsize=2048) +def mess_ratio( + decoded_sequence: str, maximum_threshold: float = 0.2, debug: bool = False +) -> float: + """ + Compute a mess ratio given a decoded bytes sequence. The maximum threshold does stop the computation earlier. + """ + + detectors: List[MessDetectorPlugin] = [ + md_class() for md_class in MessDetectorPlugin.__subclasses__() + ] + + length: int = len(decoded_sequence) + 1 + + mean_mess_ratio: float = 0.0 + + if length < 512: + intermediary_mean_mess_ratio_calc: int = 32 + elif length <= 1024: + intermediary_mean_mess_ratio_calc = 64 + else: + intermediary_mean_mess_ratio_calc = 128 + + for character, index in zip(decoded_sequence + "\n", range(length)): + for detector in detectors: + if detector.eligible(character): + detector.feed(character) + + if ( + index > 0 and index % intermediary_mean_mess_ratio_calc == 0 + ) or index == length - 1: + mean_mess_ratio = sum(dt.ratio for dt in detectors) + + if mean_mess_ratio >= maximum_threshold: + break + + if debug: + logger = getLogger("charset_normalizer") + + logger.log( + TRACE, + "Mess-detector extended-analysis start. " + f"intermediary_mean_mess_ratio_calc={intermediary_mean_mess_ratio_calc} mean_mess_ratio={mean_mess_ratio} " + f"maximum_threshold={maximum_threshold}", + ) + + if len(decoded_sequence) > 16: + logger.log(TRACE, f"Starting with: {decoded_sequence[:16]}") + logger.log(TRACE, f"Ending with: {decoded_sequence[-16::]}") + + for dt in detectors: # pragma: nocover + logger.log(TRACE, f"{dt.__class__}: {dt.ratio}") + + return round(mean_mess_ratio, 3) diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/md__mypyc.cpython-312-x86_64-linux-gnu.so b/venv/lib/python3.12/site-packages/charset_normalizer/md__mypyc.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000..e3044d9 Binary files /dev/null and b/venv/lib/python3.12/site-packages/charset_normalizer/md__mypyc.cpython-312-x86_64-linux-gnu.so differ diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/models.py b/venv/lib/python3.12/site-packages/charset_normalizer/models.py new file mode 100644 index 0000000..a760b9c --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/models.py @@ -0,0 +1,340 @@ +from encodings.aliases import aliases +from hashlib import sha256 +from json import dumps +from typing import Any, Dict, Iterator, List, Optional, Tuple, Union + +from .constant import TOO_BIG_SEQUENCE +from .utils import iana_name, is_multi_byte_encoding, unicode_range + + +class CharsetMatch: + def __init__( + self, + payload: bytes, + guessed_encoding: str, + mean_mess_ratio: float, + has_sig_or_bom: bool, + languages: "CoherenceMatches", + decoded_payload: Optional[str] = None, + ): + self._payload: bytes = payload + + self._encoding: str = guessed_encoding + self._mean_mess_ratio: float = mean_mess_ratio + self._languages: CoherenceMatches = languages + self._has_sig_or_bom: bool = has_sig_or_bom + self._unicode_ranges: Optional[List[str]] = None + + self._leaves: List[CharsetMatch] = [] + self._mean_coherence_ratio: float = 0.0 + + self._output_payload: Optional[bytes] = None + self._output_encoding: Optional[str] = None + + self._string: Optional[str] = decoded_payload + + def __eq__(self, other: object) -> bool: + if not isinstance(other, CharsetMatch): + raise TypeError( + "__eq__ cannot be invoked on {} and {}.".format( + str(other.__class__), str(self.__class__) + ) + ) + return self.encoding == other.encoding and self.fingerprint == other.fingerprint + + def __lt__(self, other: object) -> bool: + """ + Implemented to make sorted available upon CharsetMatches items. + """ + if not isinstance(other, CharsetMatch): + raise ValueError + + chaos_difference: float = abs(self.chaos - other.chaos) + coherence_difference: float = abs(self.coherence - other.coherence) + + # Below 1% difference --> Use Coherence + if chaos_difference < 0.01 and coherence_difference > 0.02: + return self.coherence > other.coherence + elif chaos_difference < 0.01 and coherence_difference <= 0.02: + # When having a difficult decision, use the result that decoded as many multi-byte as possible. + # preserve RAM usage! + if len(self._payload) >= TOO_BIG_SEQUENCE: + return self.chaos < other.chaos + return self.multi_byte_usage > other.multi_byte_usage + + return self.chaos < other.chaos + + @property + def multi_byte_usage(self) -> float: + return 1.0 - (len(str(self)) / len(self.raw)) + + def __str__(self) -> str: + # Lazy Str Loading + if self._string is None: + self._string = str(self._payload, self._encoding, "strict") + return self._string + + def __repr__(self) -> str: + return "".format(self.encoding, self.fingerprint) + + def add_submatch(self, other: "CharsetMatch") -> None: + if not isinstance(other, CharsetMatch) or other == self: + raise ValueError( + "Unable to add instance <{}> as a submatch of a CharsetMatch".format( + other.__class__ + ) + ) + + other._string = None # Unload RAM usage; dirty trick. + self._leaves.append(other) + + @property + def encoding(self) -> str: + return self._encoding + + @property + def encoding_aliases(self) -> List[str]: + """ + Encoding name are known by many name, using this could help when searching for IBM855 when it's listed as CP855. + """ + also_known_as: List[str] = [] + for u, p in aliases.items(): + if self.encoding == u: + also_known_as.append(p) + elif self.encoding == p: + also_known_as.append(u) + return also_known_as + + @property + def bom(self) -> bool: + return self._has_sig_or_bom + + @property + def byte_order_mark(self) -> bool: + return self._has_sig_or_bom + + @property + def languages(self) -> List[str]: + """ + Return the complete list of possible languages found in decoded sequence. + Usually not really useful. Returned list may be empty even if 'language' property return something != 'Unknown'. + """ + return [e[0] for e in self._languages] + + @property + def language(self) -> str: + """ + Most probable language found in decoded sequence. If none were detected or inferred, the property will return + "Unknown". + """ + if not self._languages: + # Trying to infer the language based on the given encoding + # Its either English or we should not pronounce ourselves in certain cases. + if "ascii" in self.could_be_from_charset: + return "English" + + # doing it there to avoid circular import + from charset_normalizer.cd import encoding_languages, mb_encoding_languages + + languages = ( + mb_encoding_languages(self.encoding) + if is_multi_byte_encoding(self.encoding) + else encoding_languages(self.encoding) + ) + + if len(languages) == 0 or "Latin Based" in languages: + return "Unknown" + + return languages[0] + + return self._languages[0][0] + + @property + def chaos(self) -> float: + return self._mean_mess_ratio + + @property + def coherence(self) -> float: + if not self._languages: + return 0.0 + return self._languages[0][1] + + @property + def percent_chaos(self) -> float: + return round(self.chaos * 100, ndigits=3) + + @property + def percent_coherence(self) -> float: + return round(self.coherence * 100, ndigits=3) + + @property + def raw(self) -> bytes: + """ + Original untouched bytes. + """ + return self._payload + + @property + def submatch(self) -> List["CharsetMatch"]: + return self._leaves + + @property + def has_submatch(self) -> bool: + return len(self._leaves) > 0 + + @property + def alphabets(self) -> List[str]: + if self._unicode_ranges is not None: + return self._unicode_ranges + # list detected ranges + detected_ranges: List[Optional[str]] = [ + unicode_range(char) for char in str(self) + ] + # filter and sort + self._unicode_ranges = sorted(list({r for r in detected_ranges if r})) + return self._unicode_ranges + + @property + def could_be_from_charset(self) -> List[str]: + """ + The complete list of encoding that output the exact SAME str result and therefore could be the originating + encoding. + This list does include the encoding available in property 'encoding'. + """ + return [self._encoding] + [m.encoding for m in self._leaves] + + def output(self, encoding: str = "utf_8") -> bytes: + """ + Method to get re-encoded bytes payload using given target encoding. Default to UTF-8. + Any errors will be simply ignored by the encoder NOT replaced. + """ + if self._output_encoding is None or self._output_encoding != encoding: + self._output_encoding = encoding + self._output_payload = str(self).encode(encoding, "replace") + + return self._output_payload # type: ignore + + @property + def fingerprint(self) -> str: + """ + Retrieve the unique SHA256 computed using the transformed (re-encoded) payload. Not the original one. + """ + return sha256(self.output()).hexdigest() + + +class CharsetMatches: + """ + Container with every CharsetMatch items ordered by default from most probable to the less one. + Act like a list(iterable) but does not implements all related methods. + """ + + def __init__(self, results: Optional[List[CharsetMatch]] = None): + self._results: List[CharsetMatch] = sorted(results) if results else [] + + def __iter__(self) -> Iterator[CharsetMatch]: + yield from self._results + + def __getitem__(self, item: Union[int, str]) -> CharsetMatch: + """ + Retrieve a single item either by its position or encoding name (alias may be used here). + Raise KeyError upon invalid index or encoding not present in results. + """ + if isinstance(item, int): + return self._results[item] + if isinstance(item, str): + item = iana_name(item, False) + for result in self._results: + if item in result.could_be_from_charset: + return result + raise KeyError + + def __len__(self) -> int: + return len(self._results) + + def __bool__(self) -> bool: + return len(self._results) > 0 + + def append(self, item: CharsetMatch) -> None: + """ + Insert a single match. Will be inserted accordingly to preserve sort. + Can be inserted as a submatch. + """ + if not isinstance(item, CharsetMatch): + raise ValueError( + "Cannot append instance '{}' to CharsetMatches".format( + str(item.__class__) + ) + ) + # We should disable the submatch factoring when the input file is too heavy (conserve RAM usage) + if len(item.raw) <= TOO_BIG_SEQUENCE: + for match in self._results: + if match.fingerprint == item.fingerprint and match.chaos == item.chaos: + match.add_submatch(item) + return + self._results.append(item) + self._results = sorted(self._results) + + def best(self) -> Optional["CharsetMatch"]: + """ + Simply return the first match. Strict equivalent to matches[0]. + """ + if not self._results: + return None + return self._results[0] + + def first(self) -> Optional["CharsetMatch"]: + """ + Redundant method, call the method best(). Kept for BC reasons. + """ + return self.best() + + +CoherenceMatch = Tuple[str, float] +CoherenceMatches = List[CoherenceMatch] + + +class CliDetectionResult: + def __init__( + self, + path: str, + encoding: Optional[str], + encoding_aliases: List[str], + alternative_encodings: List[str], + language: str, + alphabets: List[str], + has_sig_or_bom: bool, + chaos: float, + coherence: float, + unicode_path: Optional[str], + is_preferred: bool, + ): + self.path: str = path + self.unicode_path: Optional[str] = unicode_path + self.encoding: Optional[str] = encoding + self.encoding_aliases: List[str] = encoding_aliases + self.alternative_encodings: List[str] = alternative_encodings + self.language: str = language + self.alphabets: List[str] = alphabets + self.has_sig_or_bom: bool = has_sig_or_bom + self.chaos: float = chaos + self.coherence: float = coherence + self.is_preferred: bool = is_preferred + + @property + def __dict__(self) -> Dict[str, Any]: # type: ignore + return { + "path": self.path, + "encoding": self.encoding, + "encoding_aliases": self.encoding_aliases, + "alternative_encodings": self.alternative_encodings, + "language": self.language, + "alphabets": self.alphabets, + "has_sig_or_bom": self.has_sig_or_bom, + "chaos": self.chaos, + "coherence": self.coherence, + "unicode_path": self.unicode_path, + "is_preferred": self.is_preferred, + } + + def to_json(self) -> str: + return dumps(self.__dict__, ensure_ascii=True, indent=4) diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/py.typed b/venv/lib/python3.12/site-packages/charset_normalizer/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/utils.py b/venv/lib/python3.12/site-packages/charset_normalizer/utils.py new file mode 100644 index 0000000..e5cbbf4 --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/utils.py @@ -0,0 +1,421 @@ +import importlib +import logging +import unicodedata +from codecs import IncrementalDecoder +from encodings.aliases import aliases +from functools import lru_cache +from re import findall +from typing import Generator, List, Optional, Set, Tuple, Union + +from _multibytecodec import MultibyteIncrementalDecoder + +from .constant import ( + ENCODING_MARKS, + IANA_SUPPORTED_SIMILAR, + RE_POSSIBLE_ENCODING_INDICATION, + UNICODE_RANGES_COMBINED, + UNICODE_SECONDARY_RANGE_KEYWORD, + UTF8_MAXIMAL_ALLOCATION, +) + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_accentuated(character: str) -> bool: + try: + description: str = unicodedata.name(character) + except ValueError: + return False + return ( + "WITH GRAVE" in description + or "WITH ACUTE" in description + or "WITH CEDILLA" in description + or "WITH DIAERESIS" in description + or "WITH CIRCUMFLEX" in description + or "WITH TILDE" in description + or "WITH MACRON" in description + or "WITH RING ABOVE" in description + ) + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def remove_accent(character: str) -> str: + decomposed: str = unicodedata.decomposition(character) + if not decomposed: + return character + + codes: List[str] = decomposed.split(" ") + + return chr(int(codes[0], 16)) + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def unicode_range(character: str) -> Optional[str]: + """ + Retrieve the Unicode range official name from a single character. + """ + character_ord: int = ord(character) + + for range_name, ord_range in UNICODE_RANGES_COMBINED.items(): + if character_ord in ord_range: + return range_name + + return None + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_latin(character: str) -> bool: + try: + description: str = unicodedata.name(character) + except ValueError: + return False + return "LATIN" in description + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_punctuation(character: str) -> bool: + character_category: str = unicodedata.category(character) + + if "P" in character_category: + return True + + character_range: Optional[str] = unicode_range(character) + + if character_range is None: + return False + + return "Punctuation" in character_range + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_symbol(character: str) -> bool: + character_category: str = unicodedata.category(character) + + if "S" in character_category or "N" in character_category: + return True + + character_range: Optional[str] = unicode_range(character) + + if character_range is None: + return False + + return "Forms" in character_range and character_category != "Lo" + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_emoticon(character: str) -> bool: + character_range: Optional[str] = unicode_range(character) + + if character_range is None: + return False + + return "Emoticons" in character_range or "Pictographs" in character_range + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_separator(character: str) -> bool: + if character.isspace() or character in {"｜", "+", "<", ">"}: + return True + + character_category: str = unicodedata.category(character) + + return "Z" in character_category or character_category in {"Po", "Pd", "Pc"} + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_case_variable(character: str) -> bool: + return character.islower() != character.isupper() + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_cjk(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "CJK" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_hiragana(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "HIRAGANA" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_katakana(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "KATAKANA" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_hangul(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "HANGUL" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_thai(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "THAI" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_arabic(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "ARABIC" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_arabic_isolated_form(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "ARABIC" in character_name and "ISOLATED FORM" in character_name + + +@lru_cache(maxsize=len(UNICODE_RANGES_COMBINED)) +def is_unicode_range_secondary(range_name: str) -> bool: + return any(keyword in range_name for keyword in UNICODE_SECONDARY_RANGE_KEYWORD) + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_unprintable(character: str) -> bool: + return ( + character.isspace() is False # includes \n \t \r \v + and character.isprintable() is False + and character != "\x1A" # Why? Its the ASCII substitute character. + and character != "\ufeff" # bug discovered in Python, + # Zero Width No-Break Space located in Arabic Presentation Forms-B, Unicode 1.1 not acknowledged as space. + ) + + +def any_specified_encoding(sequence: bytes, search_zone: int = 8192) -> Optional[str]: + """ + Extract using ASCII-only decoder any specified encoding in the first n-bytes. + """ + if not isinstance(sequence, bytes): + raise TypeError + + seq_len: int = len(sequence) + + results: List[str] = findall( + RE_POSSIBLE_ENCODING_INDICATION, + sequence[: min(seq_len, search_zone)].decode("ascii", errors="ignore"), + ) + + if len(results) == 0: + return None + + for specified_encoding in results: + specified_encoding = specified_encoding.lower().replace("-", "_") + + encoding_alias: str + encoding_iana: str + + for encoding_alias, encoding_iana in aliases.items(): + if encoding_alias == specified_encoding: + return encoding_iana + if encoding_iana == specified_encoding: + return encoding_iana + + return None + + +@lru_cache(maxsize=128) +def is_multi_byte_encoding(name: str) -> bool: + """ + Verify is a specific encoding is a multi byte one based on it IANA name + """ + return name in { + "utf_8", + "utf_8_sig", + "utf_16", + "utf_16_be", + "utf_16_le", + "utf_32", + "utf_32_le", + "utf_32_be", + "utf_7", + } or issubclass( + importlib.import_module("encodings.{}".format(name)).IncrementalDecoder, + MultibyteIncrementalDecoder, + ) + + +def identify_sig_or_bom(sequence: bytes) -> Tuple[Optional[str], bytes]: + """ + Identify and extract SIG/BOM in given sequence. + """ + + for iana_encoding in ENCODING_MARKS: + marks: Union[bytes, List[bytes]] = ENCODING_MARKS[iana_encoding] + + if isinstance(marks, bytes): + marks = [marks] + + for mark in marks: + if sequence.startswith(mark): + return iana_encoding, mark + + return None, b"" + + +def should_strip_sig_or_bom(iana_encoding: str) -> bool: + return iana_encoding not in {"utf_16", "utf_32"} + + +def iana_name(cp_name: str, strict: bool = True) -> str: + cp_name = cp_name.lower().replace("-", "_") + + encoding_alias: str + encoding_iana: str + + for encoding_alias, encoding_iana in aliases.items(): + if cp_name in [encoding_alias, encoding_iana]: + return encoding_iana + + if strict: + raise ValueError("Unable to retrieve IANA for '{}'".format(cp_name)) + + return cp_name + + +def range_scan(decoded_sequence: str) -> List[str]: + ranges: Set[str] = set() + + for character in decoded_sequence: + character_range: Optional[str] = unicode_range(character) + + if character_range is None: + continue + + ranges.add(character_range) + + return list(ranges) + + +def cp_similarity(iana_name_a: str, iana_name_b: str) -> float: + if is_multi_byte_encoding(iana_name_a) or is_multi_byte_encoding(iana_name_b): + return 0.0 + + decoder_a = importlib.import_module( + "encodings.{}".format(iana_name_a) + ).IncrementalDecoder + decoder_b = importlib.import_module( + "encodings.{}".format(iana_name_b) + ).IncrementalDecoder + + id_a: IncrementalDecoder = decoder_a(errors="ignore") + id_b: IncrementalDecoder = decoder_b(errors="ignore") + + character_match_count: int = 0 + + for i in range(255): + to_be_decoded: bytes = bytes([i]) + if id_a.decode(to_be_decoded) == id_b.decode(to_be_decoded): + character_match_count += 1 + + return character_match_count / 254 + + +def is_cp_similar(iana_name_a: str, iana_name_b: str) -> bool: + """ + Determine if two code page are at least 80% similar. IANA_SUPPORTED_SIMILAR dict was generated using + the function cp_similarity. + """ + return ( + iana_name_a in IANA_SUPPORTED_SIMILAR + and iana_name_b in IANA_SUPPORTED_SIMILAR[iana_name_a] + ) + + +def set_logging_handler( + name: str = "charset_normalizer", + level: int = logging.INFO, + format_string: str = "%(asctime)s | %(levelname)s | %(message)s", +) -> None: + logger = logging.getLogger(name) + logger.setLevel(level) + + handler = logging.StreamHandler() + handler.setFormatter(logging.Formatter(format_string)) + logger.addHandler(handler) + + +def cut_sequence_chunks( + sequences: bytes, + encoding_iana: str, + offsets: range, + chunk_size: int, + bom_or_sig_available: bool, + strip_sig_or_bom: bool, + sig_payload: bytes, + is_multi_byte_decoder: bool, + decoded_payload: Optional[str] = None, +) -> Generator[str, None, None]: + if decoded_payload and is_multi_byte_decoder is False: + for i in offsets: + chunk = decoded_payload[i : i + chunk_size] + if not chunk: + break + yield chunk + else: + for i in offsets: + chunk_end = i + chunk_size + if chunk_end > len(sequences) + 8: + continue + + cut_sequence = sequences[i : i + chunk_size] + + if bom_or_sig_available and strip_sig_or_bom is False: + cut_sequence = sig_payload + cut_sequence + + chunk = cut_sequence.decode( + encoding_iana, + errors="ignore" if is_multi_byte_decoder else "strict", + ) + + # multi-byte bad cutting detector and adjustment + # not the cleanest way to perform that fix but clever enough for now. + if is_multi_byte_decoder and i > 0: + chunk_partial_size_chk: int = min(chunk_size, 16) + + if ( + decoded_payload + and chunk[:chunk_partial_size_chk] not in decoded_payload + ): + for j in range(i, i - 4, -1): + cut_sequence = sequences[j:chunk_end] + + if bom_or_sig_available and strip_sig_or_bom is False: + cut_sequence = sig_payload + cut_sequence + + chunk = cut_sequence.decode(encoding_iana, errors="ignore") + + if chunk[:chunk_partial_size_chk] in decoded_payload: + break + + yield chunk diff --git a/venv/lib/python3.12/site-packages/charset_normalizer/version.py b/venv/lib/python3.12/site-packages/charset_normalizer/version.py new file mode 100644 index 0000000..5a4da4f --- /dev/null +++ b/venv/lib/python3.12/site-packages/charset_normalizer/version.py @@ -0,0 +1,6 @@ +""" +Expose version +""" + +__version__ = "3.3.2" +VERSION = __version__.split(".") diff --git a/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/LICENSE.rst b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/LICENSE.rst new file mode 100644 index 0000000..d12a849 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2014 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/METADATA b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/METADATA new file mode 100644 index 0000000..7a6bbb2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/METADATA @@ -0,0 +1,103 @@ +Metadata-Version: 2.1 +Name: click +Version: 8.1.7 +Summary: Composable command line interface toolkit +Home-page: https://palletsprojects.com/p/click/ +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://click.palletsprojects.com/ +Project-URL: Changes, https://click.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/click/ +Project-URL: Issue Tracker, https://github.com/pallets/click/issues/ +Project-URL: Chat, https://discord.gg/pallets +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Requires-Python: >=3.7 +Description-Content-Type: text/x-rst +License-File: LICENSE.rst +Requires-Dist: colorama ; platform_system == "Windows" +Requires-Dist: importlib-metadata ; python_version < "3.8" + +\$ click\_ +========== + +Click is a Python package for creating beautiful command line interfaces +in a composable way with as little code as necessary. It's the "Command +Line Interface Creation Kit". It's highly configurable but comes with +sensible defaults out of the box. + +It aims to make the process of writing command line tools quick and fun +while also preventing any frustration caused by the inability to +implement an intended CLI API. + +Click in three points: + +- Arbitrary nesting of commands +- Automatic help page generation +- Supports lazy loading of subcommands at runtime + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + $ pip install -U click + +.. _pip: https://pip.pypa.io/en/stable/getting-started/ + + +A Simple Example +---------------- + +.. code-block:: python + + import click + + @click.command() + @click.option("--count", default=1, help="Number of greetings.") + @click.option("--name", prompt="Your name", help="The person to greet.") + def hello(count, name): + """Simple program that greets NAME for a total of COUNT times.""" + for _ in range(count): + click.echo(f"Hello, {name}!") + + if __name__ == '__main__': + hello() + +.. code-block:: text + + $ python hello.py --count=3 + Your name: Click + Hello, Click! + Hello, Click! + Hello, Click! + + +Donate +------ + +The Pallets organization develops and supports Click and other popular +packages. In order to grow the community of contributors and users, and +allow the maintainers to devote more time to the projects, `please +donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://click.palletsprojects.com/ +- Changes: https://click.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/click/ +- Source Code: https://github.com/pallets/click +- Issue Tracker: https://github.com/pallets/click/issues +- Chat: https://discord.gg/pallets diff --git a/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/RECORD b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/RECORD new file mode 100644 index 0000000..497ee45 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/RECORD @@ -0,0 +1,39 @@ +click-8.1.7.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +click-8.1.7.dist-info/LICENSE.rst,sha256=morRBqOU6FO_4h9C9OctWSgZoigF2ZG18ydQKSkrZY0,1475 +click-8.1.7.dist-info/METADATA,sha256=qIMevCxGA9yEmJOM_4WHuUJCwWpsIEVbCPOhs45YPN4,3014 +click-8.1.7.dist-info/RECORD,, +click-8.1.7.dist-info/WHEEL,sha256=5sUXSg9e4bi7lTLOHcm6QEYwO5TIF1TNbTSVFVjcJcc,92 +click-8.1.7.dist-info/top_level.txt,sha256=J1ZQogalYS4pphY_lPECoNMfw0HzTSrZglC4Yfwo4xA,6 +click/__init__.py,sha256=YDDbjm406dTOA0V8bTtdGnhN7zj5j-_dFRewZF_pLvw,3138 +click/__pycache__/__init__.cpython-312.pyc,, +click/__pycache__/_compat.cpython-312.pyc,, +click/__pycache__/_termui_impl.cpython-312.pyc,, +click/__pycache__/_textwrap.cpython-312.pyc,, +click/__pycache__/_winconsole.cpython-312.pyc,, +click/__pycache__/core.cpython-312.pyc,, +click/__pycache__/decorators.cpython-312.pyc,, +click/__pycache__/exceptions.cpython-312.pyc,, +click/__pycache__/formatting.cpython-312.pyc,, +click/__pycache__/globals.cpython-312.pyc,, +click/__pycache__/parser.cpython-312.pyc,, +click/__pycache__/shell_completion.cpython-312.pyc,, +click/__pycache__/termui.cpython-312.pyc,, +click/__pycache__/testing.cpython-312.pyc,, +click/__pycache__/types.cpython-312.pyc,, +click/__pycache__/utils.cpython-312.pyc,, +click/_compat.py,sha256=5318agQpbt4kroKsbqDOYpTSWzL_YCZVUQiTT04yXmc,18744 +click/_termui_impl.py,sha256=3dFYv4445Nw-rFvZOTBMBPYwB1bxnmNk9Du6Dm_oBSU,24069 +click/_textwrap.py,sha256=10fQ64OcBUMuK7mFvh8363_uoOxPlRItZBmKzRJDgoY,1353 +click/_winconsole.py,sha256=5ju3jQkcZD0W27WEMGqmEP4y_crUVzPCqsX_FYb7BO0,7860 +click/core.py,sha256=j6oEWtGgGna8JarD6WxhXmNnxLnfRjwXglbBc-8jr7U,114086 +click/decorators.py,sha256=-ZlbGYgV-oI8jr_oH4RpuL1PFS-5QmeuEAsLDAYgxtw,18719 +click/exceptions.py,sha256=fyROO-47HWFDjt2qupo7A3J32VlpM-ovJnfowu92K3s,9273 +click/formatting.py,sha256=Frf0-5W33-loyY_i9qrwXR8-STnW3m5gvyxLVUdyxyk,9706 +click/globals.py,sha256=TP-qM88STzc7f127h35TD_v920FgfOD2EwzqA0oE8XU,1961 +click/parser.py,sha256=LKyYQE9ZLj5KgIDXkrcTHQRXIggfoivX14_UVIn56YA,19067 +click/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +click/shell_completion.py,sha256=Ty3VM_ts0sQhj6u7eFTiLwHPoTgcXTGEAUg2OpLqYKw,18460 +click/termui.py,sha256=H7Q8FpmPelhJ2ovOhfCRhjMtCpNyjFXryAMLZODqsdc,28324 +click/testing.py,sha256=1Qd4kS5bucn1hsNIRryd0WtTMuCpkA93grkWxT8POsU,16084 +click/types.py,sha256=TZvz3hKvBztf-Hpa2enOmP4eznSPLzijjig5b_0XMxE,36391 +click/utils.py,sha256=1476UduUNY6UePGU4m18uzVHLt1sKM2PP3yWsQhbItM,20298 diff --git a/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/WHEEL b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/WHEEL new file mode 100644 index 0000000..2c08da0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.41.1) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/top_level.txt new file mode 100644 index 0000000..dca9a90 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click-8.1.7.dist-info/top_level.txt @@ -0,0 +1 @@ +click diff --git a/venv/lib/python3.12/site-packages/click/__init__.py b/venv/lib/python3.12/site-packages/click/__init__.py new file mode 100644 index 0000000..9a1dab0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/__init__.py @@ -0,0 +1,73 @@ +""" +Click is a simple Python module inspired by the stdlib optparse to make +writing command line scripts fun. Unlike other modules, it's based +around a simple API that does not come with too much magic and is +composable. +""" +from .core import Argument as Argument +from .core import BaseCommand as BaseCommand +from .core import Command as Command +from .core import CommandCollection as CommandCollection +from .core import Context as Context +from .core import Group as Group +from .core import MultiCommand as MultiCommand +from .core import Option as Option +from .core import Parameter as Parameter +from .decorators import argument as argument +from .decorators import command as command +from .decorators import confirmation_option as confirmation_option +from .decorators import group as group +from .decorators import help_option as help_option +from .decorators import make_pass_decorator as make_pass_decorator +from .decorators import option as option +from .decorators import pass_context as pass_context +from .decorators import pass_obj as pass_obj +from .decorators import password_option as password_option +from .decorators import version_option as version_option +from .exceptions import Abort as Abort +from .exceptions import BadArgumentUsage as BadArgumentUsage +from .exceptions import BadOptionUsage as BadOptionUsage +from .exceptions import BadParameter as BadParameter +from .exceptions import ClickException as ClickException +from .exceptions import FileError as FileError +from .exceptions import MissingParameter as MissingParameter +from .exceptions import NoSuchOption as NoSuchOption +from .exceptions import UsageError as UsageError +from .formatting import HelpFormatter as HelpFormatter +from .formatting import wrap_text as wrap_text +from .globals import get_current_context as get_current_context +from .parser import OptionParser as OptionParser +from .termui import clear as clear +from .termui import confirm as confirm +from .termui import echo_via_pager as echo_via_pager +from .termui import edit as edit +from .termui import getchar as getchar +from .termui import launch as launch +from .termui import pause as pause +from .termui import progressbar as progressbar +from .termui import prompt as prompt +from .termui import secho as secho +from .termui import style as style +from .termui import unstyle as unstyle +from .types import BOOL as BOOL +from .types import Choice as Choice +from .types import DateTime as DateTime +from .types import File as File +from .types import FLOAT as FLOAT +from .types import FloatRange as FloatRange +from .types import INT as INT +from .types import IntRange as IntRange +from .types import ParamType as ParamType +from .types import Path as Path +from .types import STRING as STRING +from .types import Tuple as Tuple +from .types import UNPROCESSED as UNPROCESSED +from .types import UUID as UUID +from .utils import echo as echo +from .utils import format_filename as format_filename +from .utils import get_app_dir as get_app_dir +from .utils import get_binary_stream as get_binary_stream +from .utils import get_text_stream as get_text_stream +from .utils import open_file as open_file + +__version__ = "8.1.7" diff --git a/venv/lib/python3.12/site-packages/click/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/click/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..8dda4f9 Binary files /dev/null and b/venv/lib/python3.12/site-packages/click/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/click/__pycache__/_compat.cpython-312.pyc b/venv/lib/python3.12/site-packages/click/__pycache__/_compat.cpython-312.pyc new file mode 100644 index 0000000..b010c09 Binary files /dev/null and b/venv/lib/python3.12/site-packages/click/__pycache__/_compat.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/click/__pycache__/_termui_impl.cpython-312.pyc b/venv/lib/python3.12/site-packages/click/__pycache__/_termui_impl.cpython-312.pyc new file mode 100644 index 0000000..34e54b4 Binary files /dev/null and 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_make_text_stream( + stream: t.BinaryIO, + encoding: t.Optional[str], + errors: t.Optional[str], + force_readable: bool = False, + force_writable: bool = False, +) -> t.TextIO: + if encoding is None: + encoding = get_best_encoding(stream) + if errors is None: + errors = "replace" + return _NonClosingTextIOWrapper( + stream, + encoding, + errors, + line_buffering=True, + force_readable=force_readable, + force_writable=force_writable, + ) + + +def is_ascii_encoding(encoding: str) -> bool: + """Checks if a given encoding is ascii.""" + try: + return codecs.lookup(encoding).name == "ascii" + except LookupError: + return False + + +def get_best_encoding(stream: t.IO[t.Any]) -> str: + """Returns the default stream encoding if not found.""" + rv = getattr(stream, "encoding", None) or sys.getdefaultencoding() + if is_ascii_encoding(rv): + return "utf-8" + return rv + + +class _NonClosingTextIOWrapper(io.TextIOWrapper): + def __init__( + self, + stream: t.BinaryIO, + encoding: t.Optional[str], + errors: t.Optional[str], + force_readable: bool = False, + force_writable: bool = False, + **extra: t.Any, + ) -> None: + self._stream = stream = t.cast( + t.BinaryIO, _FixupStream(stream, force_readable, force_writable) + ) + super().__init__(stream, encoding, errors, **extra) + + def __del__(self) -> None: + try: + self.detach() + except Exception: + pass + + def isatty(self) -> bool: + # https://bitbucket.org/pypy/pypy/issue/1803 + return self._stream.isatty() + + +class _FixupStream: + """The new io interface needs more from streams than streams + traditionally implement. As such, this fix-up code is necessary in + some circumstances. + + The forcing of readable and writable flags are there because some tools + put badly patched objects on sys (one such offender are certain version + of jupyter notebook). + """ + + def __init__( + self, + stream: t.BinaryIO, + force_readable: bool = False, + force_writable: bool = False, + ): + self._stream = stream + self._force_readable = force_readable + self._force_writable = force_writable + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._stream, name) + + def read1(self, size: int) -> bytes: + f = getattr(self._stream, "read1", None) + + if f is not None: + return t.cast(bytes, f(size)) + + return self._stream.read(size) + + def readable(self) -> bool: + if self._force_readable: + return True + x = getattr(self._stream, "readable", None) + if x is not None: + return t.cast(bool, x()) + try: + self._stream.read(0) + except Exception: + return False + return True + + def writable(self) -> bool: + if self._force_writable: + return True + x = getattr(self._stream, "writable", None) + if x is not None: + return t.cast(bool, x()) + try: + self._stream.write("") # type: ignore + except Exception: + try: + self._stream.write(b"") + except Exception: + return False + return True + + def seekable(self) -> bool: + x = getattr(self._stream, "seekable", None) + if x is not None: + return t.cast(bool, x()) + try: + self._stream.seek(self._stream.tell()) + except Exception: + return False + return True + + +def _is_binary_reader(stream: t.IO[t.Any], default: bool = False) -> bool: + try: + return isinstance(stream.read(0), bytes) + except Exception: + return default + # This happens in some cases where the stream was already + # closed. In this case, we assume the default. + + +def _is_binary_writer(stream: t.IO[t.Any], default: bool = False) -> bool: + try: + stream.write(b"") + except Exception: + try: + stream.write("") + return False + except Exception: + pass + return default + return True + + +def _find_binary_reader(stream: t.IO[t.Any]) -> t.Optional[t.BinaryIO]: + # We need to figure out if the given stream is already binary. + # This can happen because the official docs recommend detaching + # the streams to get binary streams. Some code might do this, so + # we need to deal with this case explicitly. + if _is_binary_reader(stream, False): + return t.cast(t.BinaryIO, stream) + + buf = getattr(stream, "buffer", None) + + # Same situation here; this time we assume that the buffer is + # actually binary in case it's closed. + if buf is not None and _is_binary_reader(buf, True): + return t.cast(t.BinaryIO, buf) + + return None + + +def _find_binary_writer(stream: t.IO[t.Any]) -> t.Optional[t.BinaryIO]: + # We need to figure out if the given stream is already binary. + # This can happen because the official docs recommend detaching + # the streams to get binary streams. Some code might do this, so + # we need to deal with this case explicitly. + if _is_binary_writer(stream, False): + return t.cast(t.BinaryIO, stream) + + buf = getattr(stream, "buffer", None) + + # Same situation here; this time we assume that the buffer is + # actually binary in case it's closed. + if buf is not None and _is_binary_writer(buf, True): + return t.cast(t.BinaryIO, buf) + + return None + + +def _stream_is_misconfigured(stream: t.TextIO) -> bool: + """A stream is misconfigured if its encoding is ASCII.""" + # If the stream does not have an encoding set, we assume it's set + # to ASCII. This appears to happen in certain unittest + # environments. It's not quite clear what the correct behavior is + # but this at least will force Click to recover somehow. + return is_ascii_encoding(getattr(stream, "encoding", None) or "ascii") + + +def _is_compat_stream_attr(stream: t.TextIO, attr: str, value: t.Optional[str]) -> bool: + """A stream attribute is compatible if it is equal to the + desired value or the desired value is unset and the attribute + has a value. + """ + stream_value = getattr(stream, attr, None) + return stream_value == value or (value is None and stream_value is not None) + + +def _is_compatible_text_stream( + stream: t.TextIO, encoding: t.Optional[str], errors: t.Optional[str] +) -> bool: + """Check if a stream's encoding and errors attributes are + compatible with the desired values. + """ + return _is_compat_stream_attr( + stream, "encoding", encoding + ) and _is_compat_stream_attr(stream, "errors", errors) + + +def _force_correct_text_stream( + text_stream: t.IO[t.Any], + encoding: t.Optional[str], + errors: t.Optional[str], + is_binary: t.Callable[[t.IO[t.Any], bool], bool], + find_binary: t.Callable[[t.IO[t.Any]], t.Optional[t.BinaryIO]], + force_readable: bool = False, + force_writable: bool = False, +) -> t.TextIO: + if is_binary(text_stream, False): + binary_reader = t.cast(t.BinaryIO, text_stream) + else: + text_stream = t.cast(t.TextIO, text_stream) + # If the stream looks compatible, and won't default to a + # misconfigured ascii encoding, return it as-is. + if _is_compatible_text_stream(text_stream, encoding, errors) and not ( + encoding is None and _stream_is_misconfigured(text_stream) + ): + return text_stream + + # Otherwise, get the underlying binary reader. + possible_binary_reader = find_binary(text_stream) + + # If that's not possible, silently use the original reader + # and get mojibake instead of exceptions. + if possible_binary_reader is None: + return text_stream + + binary_reader = possible_binary_reader + + # Default errors to replace instead of strict in order to get + # something that works. + if errors is None: + errors = "replace" + + # Wrap the binary stream in a text stream with the correct + # encoding parameters. + return _make_text_stream( + binary_reader, + encoding, + errors, + force_readable=force_readable, + force_writable=force_writable, + ) + + +def _force_correct_text_reader( + text_reader: t.IO[t.Any], + encoding: t.Optional[str], + errors: t.Optional[str], + force_readable: bool = False, +) -> t.TextIO: + return _force_correct_text_stream( + text_reader, + encoding, + errors, + _is_binary_reader, + _find_binary_reader, + force_readable=force_readable, + ) + + +def _force_correct_text_writer( + text_writer: t.IO[t.Any], + encoding: t.Optional[str], + errors: t.Optional[str], + force_writable: bool = False, +) -> t.TextIO: + return _force_correct_text_stream( + text_writer, + encoding, + errors, + _is_binary_writer, + _find_binary_writer, + force_writable=force_writable, + ) + + +def get_binary_stdin() -> t.BinaryIO: + reader = _find_binary_reader(sys.stdin) + if reader is None: + raise RuntimeError("Was not able to determine binary stream for sys.stdin.") + return reader + + +def get_binary_stdout() -> t.BinaryIO: + writer = _find_binary_writer(sys.stdout) + if writer is None: + raise RuntimeError("Was not able to determine binary stream for sys.stdout.") + return writer + + +def get_binary_stderr() -> t.BinaryIO: + writer = _find_binary_writer(sys.stderr) + if writer is None: + raise RuntimeError("Was not able to determine binary stream for sys.stderr.") + return writer + + +def get_text_stdin( + encoding: t.Optional[str] = None, errors: t.Optional[str] = None +) -> t.TextIO: + rv = _get_windows_console_stream(sys.stdin, encoding, errors) + if rv is not None: + return rv + return _force_correct_text_reader(sys.stdin, encoding, errors, force_readable=True) + + +def get_text_stdout( + encoding: t.Optional[str] = None, errors: t.Optional[str] = None +) -> t.TextIO: + rv = _get_windows_console_stream(sys.stdout, encoding, errors) + if rv is not None: + return rv + return _force_correct_text_writer(sys.stdout, encoding, errors, force_writable=True) + + +def get_text_stderr( + encoding: t.Optional[str] = None, errors: t.Optional[str] = None +) -> t.TextIO: + rv = _get_windows_console_stream(sys.stderr, encoding, errors) + if rv is not None: + return rv + return _force_correct_text_writer(sys.stderr, encoding, errors, force_writable=True) + + +def _wrap_io_open( + file: t.Union[str, "os.PathLike[str]", int], + mode: str, + encoding: t.Optional[str], + errors: t.Optional[str], +) -> t.IO[t.Any]: + """Handles not passing ``encoding`` and ``errors`` in binary mode.""" + if "b" in mode: + return open(file, mode) + + return open(file, mode, encoding=encoding, errors=errors) + + +def open_stream( + filename: "t.Union[str, os.PathLike[str]]", + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + atomic: bool = False, +) -> t.Tuple[t.IO[t.Any], bool]: + binary = "b" in mode + filename = os.fspath(filename) + + # Standard streams first. These are simple because they ignore the + # atomic flag. Use fsdecode to handle Path("-"). + if os.fsdecode(filename) == "-": + if any(m in mode for m in ["w", "a", "x"]): + if binary: + return get_binary_stdout(), False + return get_text_stdout(encoding=encoding, errors=errors), False + if binary: + return get_binary_stdin(), False + return get_text_stdin(encoding=encoding, errors=errors), False + + # Non-atomic writes directly go out through the regular open functions. + if not atomic: + return _wrap_io_open(filename, mode, encoding, errors), True + + # Some usability stuff for atomic writes + if "a" in mode: + raise ValueError( + "Appending to an existing file is not supported, because that" + " would involve an expensive `copy`-operation to a temporary" + " file. Open the file in normal `w`-mode and copy explicitly" + " if that's what you're after." + ) + if "x" in mode: + raise ValueError("Use the `overwrite`-parameter instead.") + if "w" not in mode: + raise ValueError("Atomic writes only make sense with `w`-mode.") + + # Atomic writes are more complicated. They work by opening a file + # as a proxy in the same folder and then using the fdopen + # functionality to wrap it in a Python file. Then we wrap it in an + # atomic file that moves the file over on close. + import errno + import random + + try: + perm: t.Optional[int] = os.stat(filename).st_mode + except OSError: + perm = None + + flags = os.O_RDWR | os.O_CREAT | os.O_EXCL + + if binary: + flags |= getattr(os, "O_BINARY", 0) + + while True: + tmp_filename = os.path.join( + os.path.dirname(filename), + f".__atomic-write{random.randrange(1 << 32):08x}", + ) + try: + fd = os.open(tmp_filename, flags, 0o666 if perm is None else perm) + break + except OSError as e: + if e.errno == errno.EEXIST or ( + os.name == "nt" + and e.errno == errno.EACCES + and os.path.isdir(e.filename) + and os.access(e.filename, os.W_OK) + ): + continue + raise + + if perm is not None: + os.chmod(tmp_filename, perm) # in case perm includes bits in umask + + f = _wrap_io_open(fd, mode, encoding, errors) + af = _AtomicFile(f, tmp_filename, os.path.realpath(filename)) + return t.cast(t.IO[t.Any], af), True + + +class _AtomicFile: + def __init__(self, f: t.IO[t.Any], tmp_filename: str, real_filename: str) -> None: + self._f = f + self._tmp_filename = tmp_filename + self._real_filename = real_filename + self.closed = False + + @property + def name(self) -> str: + return self._real_filename + + def close(self, delete: bool = False) -> None: + if self.closed: + return + self._f.close() + os.replace(self._tmp_filename, self._real_filename) + self.closed = True + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._f, name) + + def __enter__(self) -> "_AtomicFile": + return self + + def __exit__(self, exc_type: t.Optional[t.Type[BaseException]], *_: t.Any) -> None: + self.close(delete=exc_type is not None) + + def __repr__(self) -> str: + return repr(self._f) + + +def strip_ansi(value: str) -> str: + return _ansi_re.sub("", value) + + +def _is_jupyter_kernel_output(stream: t.IO[t.Any]) -> bool: + while isinstance(stream, (_FixupStream, _NonClosingTextIOWrapper)): + stream = stream._stream + + return stream.__class__.__module__.startswith("ipykernel.") + + +def should_strip_ansi( + stream: t.Optional[t.IO[t.Any]] = None, color: t.Optional[bool] = None +) -> bool: + if color is None: + if stream is None: + stream = sys.stdin + return not isatty(stream) and not _is_jupyter_kernel_output(stream) + return not color + + +# On Windows, wrap the output streams with colorama to support ANSI +# color codes. +# NOTE: double check is needed so mypy does not analyze this on Linux +if sys.platform.startswith("win") and WIN: + from ._winconsole import _get_windows_console_stream + + def _get_argv_encoding() -> str: + import locale + + return locale.getpreferredencoding() + + _ansi_stream_wrappers: t.MutableMapping[t.TextIO, t.TextIO] = WeakKeyDictionary() + + def auto_wrap_for_ansi( # noqa: F811 + stream: t.TextIO, color: t.Optional[bool] = None + ) -> t.TextIO: + """Support ANSI color and style codes on Windows by wrapping a + stream with colorama. + """ + try: + cached = _ansi_stream_wrappers.get(stream) + except Exception: + cached = None + + if cached is not None: + return cached + + import colorama + + strip = should_strip_ansi(stream, color) + ansi_wrapper = colorama.AnsiToWin32(stream, strip=strip) + rv = t.cast(t.TextIO, ansi_wrapper.stream) + _write = rv.write + + def _safe_write(s): + try: + return _write(s) + except BaseException: + ansi_wrapper.reset_all() + raise + + rv.write = _safe_write + + try: + _ansi_stream_wrappers[stream] = rv + except Exception: + pass + + return rv + +else: + + def _get_argv_encoding() -> str: + return getattr(sys.stdin, "encoding", None) or sys.getfilesystemencoding() + + def _get_windows_console_stream( + f: t.TextIO, encoding: t.Optional[str], errors: t.Optional[str] + ) -> t.Optional[t.TextIO]: + return None + + +def term_len(x: str) -> int: + return len(strip_ansi(x)) + + +def isatty(stream: t.IO[t.Any]) -> bool: + try: + return stream.isatty() + except Exception: + return False + + +def _make_cached_stream_func( + src_func: t.Callable[[], t.Optional[t.TextIO]], + wrapper_func: t.Callable[[], t.TextIO], +) -> t.Callable[[], t.Optional[t.TextIO]]: + cache: t.MutableMapping[t.TextIO, t.TextIO] = WeakKeyDictionary() + + def func() -> t.Optional[t.TextIO]: + stream = src_func() + + if stream is None: + return None + + try: + rv = cache.get(stream) + except Exception: + rv = None + if rv is not None: + return rv + rv = wrapper_func() + try: + cache[stream] = rv + except Exception: + pass + return rv + + return func + + +_default_text_stdin = _make_cached_stream_func(lambda: sys.stdin, get_text_stdin) +_default_text_stdout = _make_cached_stream_func(lambda: sys.stdout, get_text_stdout) +_default_text_stderr = _make_cached_stream_func(lambda: sys.stderr, get_text_stderr) + + +binary_streams: t.Mapping[str, t.Callable[[], t.BinaryIO]] = { + "stdin": get_binary_stdin, + "stdout": get_binary_stdout, + "stderr": get_binary_stderr, +} + +text_streams: t.Mapping[ + str, t.Callable[[t.Optional[str], t.Optional[str]], t.TextIO] +] = { + "stdin": get_text_stdin, + "stdout": get_text_stdout, + "stderr": get_text_stderr, +} diff --git a/venv/lib/python3.12/site-packages/click/_termui_impl.py b/venv/lib/python3.12/site-packages/click/_termui_impl.py new file mode 100644 index 0000000..f744657 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/_termui_impl.py @@ -0,0 +1,739 @@ +""" +This module contains implementations for the termui module. To keep the +import time of Click down, some infrequently used functionality is +placed in this module and only imported as needed. +""" +import contextlib +import math +import os +import sys +import time +import typing as t +from gettext import gettext as _ +from io import StringIO +from types import TracebackType + +from ._compat import _default_text_stdout +from ._compat import CYGWIN +from ._compat import get_best_encoding +from ._compat import isatty +from ._compat import open_stream +from ._compat import strip_ansi +from ._compat import term_len +from ._compat import WIN +from .exceptions import ClickException +from .utils import echo + +V = t.TypeVar("V") + +if os.name == "nt": + BEFORE_BAR = "\r" + AFTER_BAR = "\n" +else: + BEFORE_BAR = "\r\033[?25l" + AFTER_BAR = "\033[?25h\n" + + +class ProgressBar(t.Generic[V]): + def __init__( + self, + iterable: t.Optional[t.Iterable[V]], + length: t.Optional[int] = None, + fill_char: str = "#", + empty_char: str = " ", + bar_template: str = "%(bar)s", + info_sep: str = " ", + show_eta: bool = True, + show_percent: t.Optional[bool] = None, + show_pos: bool = False, + item_show_func: t.Optional[t.Callable[[t.Optional[V]], t.Optional[str]]] = None, + label: t.Optional[str] = None, + file: t.Optional[t.TextIO] = None, + color: t.Optional[bool] = None, + update_min_steps: int = 1, + width: int = 30, + ) -> None: + self.fill_char = fill_char + self.empty_char = empty_char + self.bar_template = bar_template + self.info_sep = info_sep + self.show_eta = show_eta + self.show_percent = show_percent + self.show_pos = show_pos + self.item_show_func = item_show_func + self.label: str = label or "" + + if file is None: + file = _default_text_stdout() + + # There are no standard streams attached to write to. For example, + # pythonw on Windows. + if file is None: + file = StringIO() + + self.file = file + self.color = color + self.update_min_steps = update_min_steps + self._completed_intervals = 0 + self.width: int = width + self.autowidth: bool = width == 0 + + if length is None: + from operator import length_hint + + length = length_hint(iterable, -1) + + if length == -1: + length = None + if iterable is None: + if length is None: + raise TypeError("iterable or length is required") + iterable = t.cast(t.Iterable[V], range(length)) + self.iter: t.Iterable[V] = iter(iterable) + self.length = length + self.pos = 0 + self.avg: t.List[float] = [] + self.last_eta: float + self.start: float + self.start = self.last_eta = time.time() + self.eta_known: bool = False + self.finished: bool = False + self.max_width: t.Optional[int] = None + self.entered: bool = False + self.current_item: t.Optional[V] = None + self.is_hidden: bool = not isatty(self.file) + self._last_line: t.Optional[str] = None + + def __enter__(self) -> "ProgressBar[V]": + self.entered = True + self.render_progress() + return self + + def __exit__( + self, + exc_type: t.Optional[t.Type[BaseException]], + exc_value: t.Optional[BaseException], + tb: t.Optional[TracebackType], + ) -> None: + self.render_finish() + + def __iter__(self) -> t.Iterator[V]: + if not self.entered: + raise RuntimeError("You need to use progress bars in a with block.") + self.render_progress() + return self.generator() + + def __next__(self) -> V: + # Iteration is defined in terms of a generator function, + # returned by iter(self); use that to define next(). This works + # because `self.iter` is an iterable consumed by that generator, + # so it is re-entry safe. Calling `next(self.generator())` + # twice works and does "what you want". + return next(iter(self)) + + def render_finish(self) -> None: + if self.is_hidden: + return + self.file.write(AFTER_BAR) + self.file.flush() + + @property + def pct(self) -> float: + if self.finished: + return 1.0 + return min(self.pos / (float(self.length or 1) or 1), 1.0) + + @property + def time_per_iteration(self) -> float: + if not self.avg: + return 0.0 + return sum(self.avg) / float(len(self.avg)) + + @property + def eta(self) -> float: + if self.length is not None and not self.finished: + return self.time_per_iteration * (self.length - self.pos) + return 0.0 + + def format_eta(self) -> str: + if self.eta_known: + t = int(self.eta) + seconds = t % 60 + t //= 60 + minutes = t % 60 + t //= 60 + hours = t % 24 + t //= 24 + if t > 0: + return f"{t}d {hours:02}:{minutes:02}:{seconds:02}" + else: + return f"{hours:02}:{minutes:02}:{seconds:02}" + return "" + + def format_pos(self) -> str: + pos = str(self.pos) + if self.length is not None: + pos += f"/{self.length}" + return pos + + def format_pct(self) -> str: + return f"{int(self.pct * 100): 4}%"[1:] + + def format_bar(self) -> str: + if self.length is not None: + bar_length = int(self.pct * self.width) + bar = self.fill_char * bar_length + bar += self.empty_char * (self.width - bar_length) + elif self.finished: + bar = self.fill_char * self.width + else: + chars = list(self.empty_char * (self.width or 1)) + if self.time_per_iteration != 0: + chars[ + int( + (math.cos(self.pos * self.time_per_iteration) / 2.0 + 0.5) + * self.width + ) + ] = self.fill_char + bar = "".join(chars) + return bar + + def format_progress_line(self) -> str: + show_percent = self.show_percent + + info_bits = [] + if self.length is not None and show_percent is None: + show_percent = not self.show_pos + + if self.show_pos: + info_bits.append(self.format_pos()) + if show_percent: + info_bits.append(self.format_pct()) + if self.show_eta and self.eta_known and not self.finished: + info_bits.append(self.format_eta()) + if self.item_show_func is not None: + item_info = self.item_show_func(self.current_item) + if item_info is not None: + info_bits.append(item_info) + + return ( + self.bar_template + % { + "label": self.label, + "bar": self.format_bar(), + "info": self.info_sep.join(info_bits), + } + ).rstrip() + + def render_progress(self) -> None: + import shutil + + if self.is_hidden: + # Only output the label as it changes if the output is not a + # TTY. Use file=stderr if you expect to be piping stdout. + if self._last_line != self.label: + self._last_line = self.label + echo(self.label, file=self.file, color=self.color) + + return + + buf = [] + # Update width in case the terminal has been resized + if self.autowidth: + old_width = self.width + self.width = 0 + clutter_length = term_len(self.format_progress_line()) + new_width = max(0, shutil.get_terminal_size().columns - clutter_length) + if new_width < old_width: + buf.append(BEFORE_BAR) + buf.append(" " * self.max_width) # type: ignore + self.max_width = new_width + self.width = new_width + + clear_width = self.width + if self.max_width is not None: + clear_width = self.max_width + + buf.append(BEFORE_BAR) + line = self.format_progress_line() + line_len = term_len(line) + if self.max_width is None or self.max_width < line_len: + self.max_width = line_len + + buf.append(line) + buf.append(" " * (clear_width - line_len)) + line = "".join(buf) + # Render the line only if it changed. + + if line != self._last_line: + self._last_line = line + echo(line, file=self.file, color=self.color, nl=False) + self.file.flush() + + def make_step(self, n_steps: int) -> None: + self.pos += n_steps + if self.length is not None and self.pos >= self.length: + self.finished = True + + if (time.time() - self.last_eta) < 1.0: + return + + self.last_eta = time.time() + + # self.avg is a rolling list of length <= 7 of steps where steps are + # defined as time elapsed divided by the total progress through + # self.length. + if self.pos: + step = (time.time() - self.start) / self.pos + else: + step = time.time() - self.start + + self.avg = self.avg[-6:] + [step] + + self.eta_known = self.length is not None + + def update(self, n_steps: int, current_item: t.Optional[V] = None) -> None: + """Update the progress bar by advancing a specified number of + steps, and optionally set the ``current_item`` for this new + position. + + :param n_steps: Number of steps to advance. + :param current_item: Optional item to set as ``current_item`` + for the updated position. + + .. versionchanged:: 8.0 + Added the ``current_item`` optional parameter. + + .. versionchanged:: 8.0 + Only render when the number of steps meets the + ``update_min_steps`` threshold. + """ + if current_item is not None: + self.current_item = current_item + + self._completed_intervals += n_steps + + if self._completed_intervals >= self.update_min_steps: + self.make_step(self._completed_intervals) + self.render_progress() + self._completed_intervals = 0 + + def finish(self) -> None: + self.eta_known = False + self.current_item = None + self.finished = True + + def generator(self) -> t.Iterator[V]: + """Return a generator which yields the items added to the bar + during construction, and updates the progress bar *after* the + yielded block returns. + """ + # WARNING: the iterator interface for `ProgressBar` relies on + # this and only works because this is a simple generator which + # doesn't create or manage additional state. If this function + # changes, the impact should be evaluated both against + # `iter(bar)` and `next(bar)`. `next()` in particular may call + # `self.generator()` repeatedly, and this must remain safe in + # order for that interface to work. + if not self.entered: + raise RuntimeError("You need to use progress bars in a with block.") + + if self.is_hidden: + yield from self.iter + else: + for rv in self.iter: + self.current_item = rv + + # This allows show_item_func to be updated before the + # item is processed. Only trigger at the beginning of + # the update interval. + if self._completed_intervals == 0: + self.render_progress() + + yield rv + self.update(1) + + self.finish() + self.render_progress() + + +def pager(generator: t.Iterable[str], color: t.Optional[bool] = None) -> None: + """Decide what method to use for paging through text.""" + stdout = _default_text_stdout() + + # There are no standard streams attached to write to. For example, + # pythonw on Windows. + if stdout is None: + stdout = StringIO() + + if not isatty(sys.stdin) or not isatty(stdout): + return _nullpager(stdout, generator, color) + pager_cmd = (os.environ.get("PAGER", None) or "").strip() + if pager_cmd: + if WIN: + return _tempfilepager(generator, pager_cmd, color) + return _pipepager(generator, pager_cmd, color) + if os.environ.get("TERM") in ("dumb", "emacs"): + return _nullpager(stdout, generator, color) + if WIN or sys.platform.startswith("os2"): + return _tempfilepager(generator, "more <", color) + if hasattr(os, "system") and os.system("(less) 2>/dev/null") == 0: + return _pipepager(generator, "less", color) + + import tempfile + + fd, filename = tempfile.mkstemp() + os.close(fd) + try: + if hasattr(os, "system") and os.system(f'more "{filename}"') == 0: + return _pipepager(generator, "more", color) + return _nullpager(stdout, generator, color) + finally: + os.unlink(filename) + + +def _pipepager(generator: t.Iterable[str], cmd: str, color: t.Optional[bool]) -> None: + """Page through text by feeding it to another program. Invoking a + pager through this might support colors. + """ + import subprocess + + env = dict(os.environ) + + # If we're piping to less we might support colors under the + # condition that + cmd_detail = cmd.rsplit("/", 1)[-1].split() + if color is None and cmd_detail[0] == "less": + less_flags = f"{os.environ.get('LESS', '')}{' '.join(cmd_detail[1:])}" + if not less_flags: + env["LESS"] = "-R" + color = True + elif "r" in less_flags or "R" in less_flags: + color = True + + c = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, env=env) + stdin = t.cast(t.BinaryIO, c.stdin) + encoding = get_best_encoding(stdin) + try: + for text in generator: + if not color: + text = strip_ansi(text) + + stdin.write(text.encode(encoding, "replace")) + except (OSError, KeyboardInterrupt): + pass + else: + stdin.close() + + # Less doesn't respect ^C, but catches it for its own UI purposes (aborting + # search or other commands inside less). + # + # That means when the user hits ^C, the parent process (click) terminates, + # but less is still alive, paging the output and messing up the terminal. + # + # If the user wants to make the pager exit on ^C, they should set + # `LESS='-K'`. It's not our decision to make. + while True: + try: + c.wait() + except KeyboardInterrupt: + pass + else: + break + + +def _tempfilepager( + generator: t.Iterable[str], cmd: str, color: t.Optional[bool] +) -> None: + """Page through text by invoking a program on a temporary file.""" + import tempfile + + fd, filename = tempfile.mkstemp() + # TODO: This never terminates if the passed generator never terminates. + text = "".join(generator) + if not color: + text = strip_ansi(text) + encoding = get_best_encoding(sys.stdout) + with open_stream(filename, "wb")[0] as f: + f.write(text.encode(encoding)) + try: + os.system(f'{cmd} "{filename}"') + finally: + os.close(fd) + os.unlink(filename) + + +def _nullpager( + stream: t.TextIO, generator: t.Iterable[str], color: t.Optional[bool] +) -> None: + """Simply print unformatted text. This is the ultimate fallback.""" + for text in generator: + if not color: + text = strip_ansi(text) + stream.write(text) + + +class Editor: + def __init__( + self, + editor: t.Optional[str] = None, + env: t.Optional[t.Mapping[str, str]] = None, + require_save: bool = True, + extension: str = ".txt", + ) -> None: + self.editor = editor + self.env = env + self.require_save = require_save + self.extension = extension + + def get_editor(self) -> str: + if self.editor is not None: + return self.editor + for key in "VISUAL", "EDITOR": + rv = os.environ.get(key) + if rv: + return rv + if WIN: + return "notepad" + for editor in "sensible-editor", "vim", "nano": + if os.system(f"which {editor} >/dev/null 2>&1") == 0: + return editor + return "vi" + + def edit_file(self, filename: str) -> None: + import subprocess + + editor = self.get_editor() + environ: t.Optional[t.Dict[str, str]] = None + + if self.env: + environ = os.environ.copy() + environ.update(self.env) + + try: + c = subprocess.Popen(f'{editor} "{filename}"', env=environ, shell=True) + exit_code = c.wait() + if exit_code != 0: + raise ClickException( + _("{editor}: Editing failed").format(editor=editor) + ) + except OSError as e: + raise ClickException( + _("{editor}: Editing failed: {e}").format(editor=editor, e=e) + ) from e + + def edit(self, text: t.Optional[t.AnyStr]) -> t.Optional[t.AnyStr]: + import tempfile + + if not text: + data = b"" + elif isinstance(text, (bytes, bytearray)): + data = text + else: + if text and not text.endswith("\n"): + text += "\n" + + if WIN: + data = text.replace("\n", "\r\n").encode("utf-8-sig") + else: + data = text.encode("utf-8") + + fd, name = tempfile.mkstemp(prefix="editor-", suffix=self.extension) + f: t.BinaryIO + + try: + with os.fdopen(fd, "wb") as f: + f.write(data) + + # If the filesystem resolution is 1 second, like Mac OS + # 10.12 Extended, or 2 seconds, like FAT32, and the editor + # closes very fast, require_save can fail. Set the modified + # time to be 2 seconds in the past to work around this. + os.utime(name, (os.path.getatime(name), os.path.getmtime(name) - 2)) + # Depending on the resolution, the exact value might not be + # recorded, so get the new recorded value. + timestamp = os.path.getmtime(name) + + self.edit_file(name) + + if self.require_save and os.path.getmtime(name) == timestamp: + return None + + with open(name, "rb") as f: + rv = f.read() + + if isinstance(text, (bytes, bytearray)): + return rv + + return rv.decode("utf-8-sig").replace("\r\n", "\n") # type: ignore + finally: + os.unlink(name) + + +def open_url(url: str, wait: bool = False, locate: bool = False) -> int: + import subprocess + + def _unquote_file(url: str) -> str: + from urllib.parse import unquote + + if url.startswith("file://"): + url = unquote(url[7:]) + + return url + + if sys.platform == "darwin": + args = ["open"] + if wait: + args.append("-W") + if locate: + args.append("-R") + args.append(_unquote_file(url)) + null = open("/dev/null", "w") + try: + return subprocess.Popen(args, stderr=null).wait() + finally: + null.close() + elif WIN: + if locate: + url = _unquote_file(url.replace('"', "")) + args = f'explorer /select,"{url}"' + else: + url = url.replace('"', "") + wait_str = "/WAIT" if wait else "" + args = f'start {wait_str} "" "{url}"' + return os.system(args) + elif CYGWIN: + if locate: + url = os.path.dirname(_unquote_file(url).replace('"', "")) + args = f'cygstart "{url}"' + else: + url = url.replace('"', "") + wait_str = "-w" if wait else "" + args = f'cygstart {wait_str} "{url}"' + return os.system(args) + + try: + if locate: + url = os.path.dirname(_unquote_file(url)) or "." + else: + url = _unquote_file(url) + c = subprocess.Popen(["xdg-open", url]) + if wait: + return c.wait() + return 0 + except OSError: + if url.startswith(("http://", "https://")) and not locate and not wait: + import webbrowser + + webbrowser.open(url) + return 0 + return 1 + + +def _translate_ch_to_exc(ch: str) -> t.Optional[BaseException]: + if ch == "\x03": + raise KeyboardInterrupt() + + if ch == "\x04" and not WIN: # Unix-like, Ctrl+D + raise EOFError() + + if ch == "\x1a" and WIN: # Windows, Ctrl+Z + raise EOFError() + + return None + + +if WIN: + import msvcrt + + @contextlib.contextmanager + def raw_terminal() -> t.Iterator[int]: + yield -1 + + def getchar(echo: bool) -> str: + # The function `getch` will return a bytes object corresponding to + # the pressed character. Since Windows 10 build 1803, it will also + # return \x00 when called a second time after pressing a regular key. + # + # `getwch` does not share this probably-bugged behavior. Moreover, it + # returns a Unicode object by default, which is what we want. + # + # Either of these functions will return \x00 or \xe0 to indicate + # a special key, and you need to call the same function again to get + # the "rest" of the code. The fun part is that \u00e0 is + # "latin small letter a with grave", so if you type that on a French + # keyboard, you _also_ get a \xe0. + # E.g., consider the Up arrow. This returns \xe0 and then \x48. The + # resulting Unicode string reads as "a with grave" + "capital H". + # This is indistinguishable from when the user actually types + # "a with grave" and then "capital H". + # + # When \xe0 is returned, we assume it's part of a special-key sequence + # and call `getwch` again, but that means that when the user types + # the \u00e0 character, `getchar` doesn't return until a second + # character is typed. + # The alternative is returning immediately, but that would mess up + # cross-platform handling of arrow keys and others that start with + # \xe0. Another option is using `getch`, but then we can't reliably + # read non-ASCII characters, because return values of `getch` are + # limited to the current 8-bit codepage. + # + # Anyway, Click doesn't claim to do this Right(tm), and using `getwch` + # is doing the right thing in more situations than with `getch`. + func: t.Callable[[], str] + + if echo: + func = msvcrt.getwche # type: ignore + else: + func = msvcrt.getwch # type: ignore + + rv = func() + + if rv in ("\x00", "\xe0"): + # \x00 and \xe0 are control characters that indicate special key, + # see above. + rv += func() + + _translate_ch_to_exc(rv) + return rv + +else: + import tty + import termios + + @contextlib.contextmanager + def raw_terminal() -> t.Iterator[int]: + f: t.Optional[t.TextIO] + fd: int + + if not isatty(sys.stdin): + f = open("/dev/tty") + fd = f.fileno() + else: + fd = sys.stdin.fileno() + f = None + + try: + old_settings = termios.tcgetattr(fd) + + try: + tty.setraw(fd) + yield fd + finally: + termios.tcsetattr(fd, termios.TCSADRAIN, old_settings) + sys.stdout.flush() + + if f is not None: + f.close() + except termios.error: + pass + + def getchar(echo: bool) -> str: + with raw_terminal() as fd: + ch = os.read(fd, 32).decode(get_best_encoding(sys.stdin), "replace") + + if echo and isatty(sys.stdout): + sys.stdout.write(ch) + + _translate_ch_to_exc(ch) + return ch diff --git a/venv/lib/python3.12/site-packages/click/_textwrap.py b/venv/lib/python3.12/site-packages/click/_textwrap.py new file mode 100644 index 0000000..b47dcbd --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/_textwrap.py @@ -0,0 +1,49 @@ +import textwrap +import typing as t +from contextlib import contextmanager + + +class TextWrapper(textwrap.TextWrapper): + def _handle_long_word( + self, + reversed_chunks: t.List[str], + cur_line: t.List[str], + cur_len: int, + width: int, + ) -> None: + space_left = max(width - cur_len, 1) + + if self.break_long_words: + last = reversed_chunks[-1] + cut = last[:space_left] + res = last[space_left:] + cur_line.append(cut) + reversed_chunks[-1] = res + elif not cur_line: + cur_line.append(reversed_chunks.pop()) + + @contextmanager + def extra_indent(self, indent: str) -> t.Iterator[None]: + old_initial_indent = self.initial_indent + old_subsequent_indent = self.subsequent_indent + self.initial_indent += indent + self.subsequent_indent += indent + + try: + yield + finally: + self.initial_indent = old_initial_indent + self.subsequent_indent = old_subsequent_indent + + def indent_only(self, text: str) -> str: + rv = [] + + for idx, line in enumerate(text.splitlines()): + indent = self.initial_indent + + if idx > 0: + indent = self.subsequent_indent + + rv.append(f"{indent}{line}") + + return "\n".join(rv) diff --git a/venv/lib/python3.12/site-packages/click/_winconsole.py b/venv/lib/python3.12/site-packages/click/_winconsole.py new file mode 100644 index 0000000..6b20df3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/_winconsole.py @@ -0,0 +1,279 @@ +# This module is based on the excellent work by Adam Bartoš who +# provided a lot of what went into the implementation here in +# the discussion to issue1602 in the Python bug tracker. +# +# There are some general differences in regards to how this works +# compared to the original patches as we do not need to patch +# the entire interpreter but just work in our little world of +# echo and prompt. +import io +import sys +import time +import typing as t +from ctypes import byref +from ctypes import c_char +from ctypes import c_char_p +from ctypes import c_int +from ctypes import c_ssize_t +from ctypes import c_ulong +from ctypes import c_void_p +from ctypes import POINTER +from ctypes import py_object +from ctypes import Structure +from ctypes.wintypes import DWORD +from ctypes.wintypes import HANDLE +from ctypes.wintypes import LPCWSTR +from ctypes.wintypes import LPWSTR + +from ._compat import _NonClosingTextIOWrapper + +assert sys.platform == "win32" +import msvcrt # noqa: E402 +from ctypes import windll # noqa: E402 +from ctypes import WINFUNCTYPE # noqa: E402 + +c_ssize_p = POINTER(c_ssize_t) + +kernel32 = windll.kernel32 +GetStdHandle = kernel32.GetStdHandle +ReadConsoleW = kernel32.ReadConsoleW +WriteConsoleW = kernel32.WriteConsoleW +GetConsoleMode = kernel32.GetConsoleMode +GetLastError = kernel32.GetLastError +GetCommandLineW = WINFUNCTYPE(LPWSTR)(("GetCommandLineW", windll.kernel32)) +CommandLineToArgvW = WINFUNCTYPE(POINTER(LPWSTR), LPCWSTR, POINTER(c_int))( + ("CommandLineToArgvW", windll.shell32) +) +LocalFree = WINFUNCTYPE(c_void_p, c_void_p)(("LocalFree", windll.kernel32)) + +STDIN_HANDLE = GetStdHandle(-10) +STDOUT_HANDLE = GetStdHandle(-11) +STDERR_HANDLE = GetStdHandle(-12) + +PyBUF_SIMPLE = 0 +PyBUF_WRITABLE = 1 + +ERROR_SUCCESS = 0 +ERROR_NOT_ENOUGH_MEMORY = 8 +ERROR_OPERATION_ABORTED = 995 + +STDIN_FILENO = 0 +STDOUT_FILENO = 1 +STDERR_FILENO = 2 + +EOF = b"\x1a" +MAX_BYTES_WRITTEN = 32767 + +try: + from ctypes import pythonapi +except ImportError: + # On PyPy we cannot get buffers so our ability to operate here is + # severely limited. + get_buffer = None +else: + + class Py_buffer(Structure): + _fields_ = [ + ("buf", c_void_p), + ("obj", py_object), + ("len", c_ssize_t), + ("itemsize", c_ssize_t), + ("readonly", c_int), + ("ndim", c_int), + ("format", c_char_p), + ("shape", c_ssize_p), + ("strides", c_ssize_p), + ("suboffsets", c_ssize_p), + ("internal", c_void_p), + ] + + PyObject_GetBuffer = pythonapi.PyObject_GetBuffer + PyBuffer_Release = pythonapi.PyBuffer_Release + + def get_buffer(obj, writable=False): + buf = Py_buffer() + flags = PyBUF_WRITABLE if writable else PyBUF_SIMPLE + PyObject_GetBuffer(py_object(obj), byref(buf), flags) + + try: + buffer_type = c_char * buf.len + return buffer_type.from_address(buf.buf) + finally: + PyBuffer_Release(byref(buf)) + + +class _WindowsConsoleRawIOBase(io.RawIOBase): + def __init__(self, handle): + self.handle = handle + + def isatty(self): + super().isatty() + return True + + +class _WindowsConsoleReader(_WindowsConsoleRawIOBase): + def readable(self): + return True + + def readinto(self, b): + bytes_to_be_read = len(b) + if not bytes_to_be_read: + return 0 + elif bytes_to_be_read % 2: + raise ValueError( + "cannot read odd number of bytes from UTF-16-LE encoded console" + ) + + buffer = get_buffer(b, writable=True) + code_units_to_be_read = bytes_to_be_read // 2 + code_units_read = c_ulong() + + rv = ReadConsoleW( + HANDLE(self.handle), + buffer, + code_units_to_be_read, + byref(code_units_read), + None, + ) + if GetLastError() == ERROR_OPERATION_ABORTED: + # wait for KeyboardInterrupt + time.sleep(0.1) + if not rv: + raise OSError(f"Windows error: {GetLastError()}") + + if buffer[0] == EOF: + return 0 + return 2 * code_units_read.value + + +class _WindowsConsoleWriter(_WindowsConsoleRawIOBase): + def writable(self): + return True + + @staticmethod + def _get_error_message(errno): + if errno == ERROR_SUCCESS: + return "ERROR_SUCCESS" + elif errno == ERROR_NOT_ENOUGH_MEMORY: + return "ERROR_NOT_ENOUGH_MEMORY" + return f"Windows error {errno}" + + def write(self, b): + bytes_to_be_written = len(b) + buf = get_buffer(b) + code_units_to_be_written = min(bytes_to_be_written, MAX_BYTES_WRITTEN) // 2 + code_units_written = c_ulong() + + WriteConsoleW( + HANDLE(self.handle), + buf, + code_units_to_be_written, + byref(code_units_written), + None, + ) + bytes_written = 2 * code_units_written.value + + if bytes_written == 0 and bytes_to_be_written > 0: + raise OSError(self._get_error_message(GetLastError())) + return bytes_written + + +class ConsoleStream: + def __init__(self, text_stream: t.TextIO, byte_stream: t.BinaryIO) -> None: + self._text_stream = text_stream + self.buffer = byte_stream + + @property + def name(self) -> str: + return self.buffer.name + + def write(self, x: t.AnyStr) -> int: + if isinstance(x, str): + return self._text_stream.write(x) + try: + self.flush() + except Exception: + pass + return self.buffer.write(x) + + def writelines(self, lines: t.Iterable[t.AnyStr]) -> None: + for line in lines: + self.write(line) + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._text_stream, name) + + def isatty(self) -> bool: + return self.buffer.isatty() + + def __repr__(self): + return f"" + + +def _get_text_stdin(buffer_stream: t.BinaryIO) -> t.TextIO: + text_stream = _NonClosingTextIOWrapper( + io.BufferedReader(_WindowsConsoleReader(STDIN_HANDLE)), + "utf-16-le", + "strict", + line_buffering=True, + ) + return t.cast(t.TextIO, ConsoleStream(text_stream, buffer_stream)) + + +def _get_text_stdout(buffer_stream: t.BinaryIO) -> t.TextIO: + text_stream = _NonClosingTextIOWrapper( + io.BufferedWriter(_WindowsConsoleWriter(STDOUT_HANDLE)), + "utf-16-le", + "strict", + line_buffering=True, + ) + return t.cast(t.TextIO, ConsoleStream(text_stream, buffer_stream)) + + +def _get_text_stderr(buffer_stream: t.BinaryIO) -> t.TextIO: + text_stream = _NonClosingTextIOWrapper( + io.BufferedWriter(_WindowsConsoleWriter(STDERR_HANDLE)), + "utf-16-le", + "strict", + line_buffering=True, + ) + return t.cast(t.TextIO, ConsoleStream(text_stream, buffer_stream)) + + +_stream_factories: t.Mapping[int, t.Callable[[t.BinaryIO], t.TextIO]] = { + 0: _get_text_stdin, + 1: _get_text_stdout, + 2: _get_text_stderr, +} + + +def _is_console(f: t.TextIO) -> bool: + if not hasattr(f, "fileno"): + return False + + try: + fileno = f.fileno() + except (OSError, io.UnsupportedOperation): + return False + + handle = msvcrt.get_osfhandle(fileno) + return bool(GetConsoleMode(handle, byref(DWORD()))) + + +def _get_windows_console_stream( + f: t.TextIO, encoding: t.Optional[str], errors: t.Optional[str] +) -> t.Optional[t.TextIO]: + if ( + get_buffer is not None + and encoding in {"utf-16-le", None} + and errors in {"strict", None} + and _is_console(f) + ): + func = _stream_factories.get(f.fileno()) + if func is not None: + b = getattr(f, "buffer", None) + + if b is None: + return None + + return func(b) diff --git a/venv/lib/python3.12/site-packages/click/core.py b/venv/lib/python3.12/site-packages/click/core.py new file mode 100644 index 0000000..cc65e89 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/core.py @@ -0,0 +1,3042 @@ +import enum +import errno +import inspect +import os +import sys +import typing as t +from collections import abc +from contextlib import contextmanager +from contextlib import ExitStack +from functools import update_wrapper +from gettext import gettext as _ +from gettext import ngettext +from itertools import repeat +from types import TracebackType + +from . import types +from .exceptions import Abort +from .exceptions import BadParameter +from .exceptions import ClickException +from .exceptions import Exit +from .exceptions import MissingParameter +from .exceptions import UsageError +from .formatting import HelpFormatter +from .formatting import join_options +from .globals import pop_context +from .globals import push_context +from .parser import _flag_needs_value +from .parser import OptionParser +from .parser import split_opt +from .termui import confirm +from .termui import prompt +from .termui import style +from .utils import _detect_program_name +from .utils import _expand_args +from .utils import echo +from .utils import make_default_short_help +from .utils import make_str +from .utils import PacifyFlushWrapper + +if t.TYPE_CHECKING: + import typing_extensions as te + from .shell_completion import CompletionItem + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) +V = t.TypeVar("V") + + +def _complete_visible_commands( + ctx: "Context", incomplete: str +) -> t.Iterator[t.Tuple[str, "Command"]]: + """List all the subcommands of a group that start with the + incomplete value and aren't hidden. + + :param ctx: Invocation context for the group. + :param incomplete: Value being completed. May be empty. + """ + multi = t.cast(MultiCommand, ctx.command) + + for name in multi.list_commands(ctx): + if name.startswith(incomplete): + command = multi.get_command(ctx, name) + + if command is not None and not command.hidden: + yield name, command + + +def _check_multicommand( + base_command: "MultiCommand", cmd_name: str, cmd: "Command", register: bool = False +) -> None: + if not base_command.chain or not isinstance(cmd, MultiCommand): + return + if register: + hint = ( + "It is not possible to add multi commands as children to" + " another multi command that is in chain mode." + ) + else: + hint = ( + "Found a multi command as subcommand to a multi command" + " that is in chain mode. This is not supported." + ) + raise RuntimeError( + f"{hint}. Command {base_command.name!r} is set to chain and" + f" {cmd_name!r} was added as a subcommand but it in itself is a" + f" multi command. ({cmd_name!r} is a {type(cmd).__name__}" + f" within a chained {type(base_command).__name__} named" + f" {base_command.name!r})." + ) + + +def batch(iterable: t.Iterable[V], batch_size: int) -> t.List[t.Tuple[V, ...]]: + return list(zip(*repeat(iter(iterable), batch_size))) + + +@contextmanager +def augment_usage_errors( + ctx: "Context", param: t.Optional["Parameter"] = None +) -> t.Iterator[None]: + """Context manager that attaches extra information to exceptions.""" + try: + yield + except BadParameter as e: + if e.ctx is None: + e.ctx = ctx + if param is not None and e.param is None: + e.param = param + raise + except UsageError as e: + if e.ctx is None: + e.ctx = ctx + raise + + +def iter_params_for_processing( + invocation_order: t.Sequence["Parameter"], + declaration_order: t.Sequence["Parameter"], +) -> t.List["Parameter"]: + """Given a sequence of parameters in the order as should be considered + for processing and an iterable of parameters that exist, this returns + a list in the correct order as they should be processed. + """ + + def sort_key(item: "Parameter") -> t.Tuple[bool, float]: + try: + idx: float = invocation_order.index(item) + except ValueError: + idx = float("inf") + + return not item.is_eager, idx + + return sorted(declaration_order, key=sort_key) + + +class ParameterSource(enum.Enum): + """This is an :class:`~enum.Enum` that indicates the source of a + parameter's value. + + Use :meth:`click.Context.get_parameter_source` to get the + source for a parameter by name. + + .. versionchanged:: 8.0 + Use :class:`~enum.Enum` and drop the ``validate`` method. + + .. versionchanged:: 8.0 + Added the ``PROMPT`` value. + """ + + COMMANDLINE = enum.auto() + """The value was provided by the command line args.""" + ENVIRONMENT = enum.auto() + """The value was provided with an environment variable.""" + DEFAULT = enum.auto() + """Used the default specified by the parameter.""" + DEFAULT_MAP = enum.auto() + """Used a default provided by :attr:`Context.default_map`.""" + PROMPT = enum.auto() + """Used a prompt to confirm a default or provide a value.""" + + +class Context: + """The context is a special internal object that holds state relevant + for the script execution at every single level. It's normally invisible + to commands unless they opt-in to getting access to it. + + The context is useful as it can pass internal objects around and can + control special execution features such as reading data from + environment variables. + + A context can be used as context manager in which case it will call + :meth:`close` on teardown. + + :param command: the command class for this context. + :param parent: the parent context. + :param info_name: the info name for this invocation. Generally this + is the most descriptive name for the script or + command. For the toplevel script it is usually + the name of the script, for commands below it it's + the name of the script. + :param obj: an arbitrary object of user data. + :param auto_envvar_prefix: the prefix to use for automatic environment + variables. If this is `None` then reading + from environment variables is disabled. This + does not affect manually set environment + variables which are always read. + :param default_map: a dictionary (like object) with default values + for parameters. + :param terminal_width: the width of the terminal. The default is + inherit from parent context. If no context + defines the terminal width then auto + detection will be applied. + :param max_content_width: the maximum width for content rendered by + Click (this currently only affects help + pages). This defaults to 80 characters if + not overridden. In other words: even if the + terminal is larger than that, Click will not + format things wider than 80 characters by + default. In addition to that, formatters might + add some safety mapping on the right. + :param resilient_parsing: if this flag is enabled then Click will + parse without any interactivity or callback + invocation. Default values will also be + ignored. This is useful for implementing + things such as completion support. + :param allow_extra_args: if this is set to `True` then extra arguments + at the end will not raise an error and will be + kept on the context. The default is to inherit + from the command. + :param allow_interspersed_args: if this is set to `False` then options + and arguments cannot be mixed. The + default is to inherit from the command. + :param ignore_unknown_options: instructs click to ignore options it does + not know and keeps them for later + processing. + :param help_option_names: optionally a list of strings that define how + the default help parameter is named. The + default is ``['--help']``. + :param token_normalize_func: an optional function that is used to + normalize tokens (options, choices, + etc.). This for instance can be used to + implement case insensitive behavior. + :param color: controls if the terminal supports ANSI colors or not. The + default is autodetection. This is only needed if ANSI + codes are used in texts that Click prints which is by + default not the case. This for instance would affect + help output. + :param show_default: Show the default value for commands. If this + value is not set, it defaults to the value from the parent + context. ``Command.show_default`` overrides this default for the + specific command. + + .. versionchanged:: 8.1 + The ``show_default`` parameter is overridden by + ``Command.show_default``, instead of the other way around. + + .. versionchanged:: 8.0 + The ``show_default`` parameter defaults to the value from the + parent context. + + .. versionchanged:: 7.1 + Added the ``show_default`` parameter. + + .. versionchanged:: 4.0 + Added the ``color``, ``ignore_unknown_options``, and + ``max_content_width`` parameters. + + .. versionchanged:: 3.0 + Added the ``allow_extra_args`` and ``allow_interspersed_args`` + parameters. + + .. versionchanged:: 2.0 + Added the ``resilient_parsing``, ``help_option_names``, and + ``token_normalize_func`` parameters. + """ + + #: The formatter class to create with :meth:`make_formatter`. + #: + #: .. versionadded:: 8.0 + formatter_class: t.Type["HelpFormatter"] = HelpFormatter + + def __init__( + self, + command: "Command", + parent: t.Optional["Context"] = None, + info_name: t.Optional[str] = None, + obj: t.Optional[t.Any] = None, + auto_envvar_prefix: t.Optional[str] = None, + default_map: t.Optional[t.MutableMapping[str, t.Any]] = None, + terminal_width: t.Optional[int] = None, + max_content_width: t.Optional[int] = None, + resilient_parsing: bool = False, + allow_extra_args: t.Optional[bool] = None, + allow_interspersed_args: t.Optional[bool] = None, + ignore_unknown_options: t.Optional[bool] = None, + help_option_names: t.Optional[t.List[str]] = None, + token_normalize_func: t.Optional[t.Callable[[str], str]] = None, + color: t.Optional[bool] = None, + show_default: t.Optional[bool] = None, + ) -> None: + #: the parent context or `None` if none exists. + self.parent = parent + #: the :class:`Command` for this context. + self.command = command + #: the descriptive information name + self.info_name = info_name + #: Map of parameter names to their parsed values. Parameters + #: with ``expose_value=False`` are not stored. + self.params: t.Dict[str, t.Any] = {} + #: the leftover arguments. + self.args: t.List[str] = [] + #: protected arguments. These are arguments that are prepended + #: to `args` when certain parsing scenarios are encountered but + #: must be never propagated to another arguments. This is used + #: to implement nested parsing. + self.protected_args: t.List[str] = [] + #: the collected prefixes of the command's options. + self._opt_prefixes: t.Set[str] = set(parent._opt_prefixes) if parent else set() + + if obj is None and parent is not None: + obj = parent.obj + + #: the user object stored. + self.obj: t.Any = obj + self._meta: t.Dict[str, t.Any] = getattr(parent, "meta", {}) + + #: A dictionary (-like object) with defaults for parameters. + if ( + default_map is None + and info_name is not None + and parent is not None + and parent.default_map is not None + ): + default_map = parent.default_map.get(info_name) + + self.default_map: t.Optional[t.MutableMapping[str, t.Any]] = default_map + + #: This flag indicates if a subcommand is going to be executed. A + #: group callback can use this information to figure out if it's + #: being executed directly or because the execution flow passes + #: onwards to a subcommand. By default it's None, but it can be + #: the name of the subcommand to execute. + #: + #: If chaining is enabled this will be set to ``'*'`` in case + #: any commands are executed. It is however not possible to + #: figure out which ones. If you require this knowledge you + #: should use a :func:`result_callback`. + self.invoked_subcommand: t.Optional[str] = None + + if terminal_width is None and parent is not None: + terminal_width = parent.terminal_width + + #: The width of the terminal (None is autodetection). + self.terminal_width: t.Optional[int] = terminal_width + + if max_content_width is None and parent is not None: + max_content_width = parent.max_content_width + + #: The maximum width of formatted content (None implies a sensible + #: default which is 80 for most things). + self.max_content_width: t.Optional[int] = max_content_width + + if allow_extra_args is None: + allow_extra_args = command.allow_extra_args + + #: Indicates if the context allows extra args or if it should + #: fail on parsing. + #: + #: .. versionadded:: 3.0 + self.allow_extra_args = allow_extra_args + + if allow_interspersed_args is None: + allow_interspersed_args = command.allow_interspersed_args + + #: Indicates if the context allows mixing of arguments and + #: options or not. + #: + #: .. versionadded:: 3.0 + self.allow_interspersed_args: bool = allow_interspersed_args + + if ignore_unknown_options is None: + ignore_unknown_options = command.ignore_unknown_options + + #: Instructs click to ignore options that a command does not + #: understand and will store it on the context for later + #: processing. This is primarily useful for situations where you + #: want to call into external programs. Generally this pattern is + #: strongly discouraged because it's not possibly to losslessly + #: forward all arguments. + #: + #: .. versionadded:: 4.0 + self.ignore_unknown_options: bool = ignore_unknown_options + + if help_option_names is None: + if parent is not None: + help_option_names = parent.help_option_names + else: + help_option_names = ["--help"] + + #: The names for the help options. + self.help_option_names: t.List[str] = help_option_names + + if token_normalize_func is None and parent is not None: + token_normalize_func = parent.token_normalize_func + + #: An optional normalization function for tokens. This is + #: options, choices, commands etc. + self.token_normalize_func: t.Optional[ + t.Callable[[str], str] + ] = token_normalize_func + + #: Indicates if resilient parsing is enabled. In that case Click + #: will do its best to not cause any failures and default values + #: will be ignored. Useful for completion. + self.resilient_parsing: bool = resilient_parsing + + # If there is no envvar prefix yet, but the parent has one and + # the command on this level has a name, we can expand the envvar + # prefix automatically. + if auto_envvar_prefix is None: + if ( + parent is not None + and parent.auto_envvar_prefix is not None + and self.info_name is not None + ): + auto_envvar_prefix = ( + f"{parent.auto_envvar_prefix}_{self.info_name.upper()}" + ) + else: + auto_envvar_prefix = auto_envvar_prefix.upper() + + if auto_envvar_prefix is not None: + auto_envvar_prefix = auto_envvar_prefix.replace("-", "_") + + self.auto_envvar_prefix: t.Optional[str] = auto_envvar_prefix + + if color is None and parent is not None: + color = parent.color + + #: Controls if styling output is wanted or not. + self.color: t.Optional[bool] = color + + if show_default is None and parent is not None: + show_default = parent.show_default + + #: Show option default values when formatting help text. + self.show_default: t.Optional[bool] = show_default + + self._close_callbacks: t.List[t.Callable[[], t.Any]] = [] + self._depth = 0 + self._parameter_source: t.Dict[str, ParameterSource] = {} + self._exit_stack = ExitStack() + + def to_info_dict(self) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. This traverses the entire CLI + structure. + + .. code-block:: python + + with Context(cli) as ctx: + info = ctx.to_info_dict() + + .. versionadded:: 8.0 + """ + return { + "command": self.command.to_info_dict(self), + "info_name": self.info_name, + "allow_extra_args": self.allow_extra_args, + "allow_interspersed_args": self.allow_interspersed_args, + "ignore_unknown_options": self.ignore_unknown_options, + "auto_envvar_prefix": self.auto_envvar_prefix, + } + + def __enter__(self) -> "Context": + self._depth += 1 + push_context(self) + return self + + def __exit__( + self, + exc_type: t.Optional[t.Type[BaseException]], + exc_value: t.Optional[BaseException], + tb: t.Optional[TracebackType], + ) -> None: + self._depth -= 1 + if self._depth == 0: + self.close() + pop_context() + + @contextmanager + def scope(self, cleanup: bool = True) -> t.Iterator["Context"]: + """This helper method can be used with the context object to promote + it to the current thread local (see :func:`get_current_context`). + The default behavior of this is to invoke the cleanup functions which + can be disabled by setting `cleanup` to `False`. The cleanup + functions are typically used for things such as closing file handles. + + If the cleanup is intended the context object can also be directly + used as a context manager. + + Example usage:: + + with ctx.scope(): + assert get_current_context() is ctx + + This is equivalent:: + + with ctx: + assert get_current_context() is ctx + + .. versionadded:: 5.0 + + :param cleanup: controls if the cleanup functions should be run or + not. The default is to run these functions. In + some situations the context only wants to be + temporarily pushed in which case this can be disabled. + Nested pushes automatically defer the cleanup. + """ + if not cleanup: + self._depth += 1 + try: + with self as rv: + yield rv + finally: + if not cleanup: + self._depth -= 1 + + @property + def meta(self) -> t.Dict[str, t.Any]: + """This is a dictionary which is shared with all the contexts + that are nested. It exists so that click utilities can store some + state here if they need to. It is however the responsibility of + that code to manage this dictionary well. + + The keys are supposed to be unique dotted strings. For instance + module paths are a good choice for it. What is stored in there is + irrelevant for the operation of click. However what is important is + that code that places data here adheres to the general semantics of + the system. + + Example usage:: + + LANG_KEY = f'{__name__}.lang' + + def set_language(value): + ctx = get_current_context() + ctx.meta[LANG_KEY] = value + + def get_language(): + return get_current_context().meta.get(LANG_KEY, 'en_US') + + .. versionadded:: 5.0 + """ + return self._meta + + def make_formatter(self) -> HelpFormatter: + """Creates the :class:`~click.HelpFormatter` for the help and + usage output. + + To quickly customize the formatter class used without overriding + this method, set the :attr:`formatter_class` attribute. + + .. versionchanged:: 8.0 + Added the :attr:`formatter_class` attribute. + """ + return self.formatter_class( + width=self.terminal_width, max_width=self.max_content_width + ) + + def with_resource(self, context_manager: t.ContextManager[V]) -> V: + """Register a resource as if it were used in a ``with`` + statement. The resource will be cleaned up when the context is + popped. + + Uses :meth:`contextlib.ExitStack.enter_context`. It calls the + resource's ``__enter__()`` method and returns the result. When + the context is popped, it closes the stack, which calls the + resource's ``__exit__()`` method. + + To register a cleanup function for something that isn't a + context manager, use :meth:`call_on_close`. Or use something + from :mod:`contextlib` to turn it into a context manager first. + + .. code-block:: python + + @click.group() + @click.option("--name") + @click.pass_context + def cli(ctx): + ctx.obj = ctx.with_resource(connect_db(name)) + + :param context_manager: The context manager to enter. + :return: Whatever ``context_manager.__enter__()`` returns. + + .. versionadded:: 8.0 + """ + return self._exit_stack.enter_context(context_manager) + + def call_on_close(self, f: t.Callable[..., t.Any]) -> t.Callable[..., t.Any]: + """Register a function to be called when the context tears down. + + This can be used to close resources opened during the script + execution. Resources that support Python's context manager + protocol which would be used in a ``with`` statement should be + registered with :meth:`with_resource` instead. + + :param f: The function to execute on teardown. + """ + return self._exit_stack.callback(f) + + def close(self) -> None: + """Invoke all close callbacks registered with + :meth:`call_on_close`, and exit all context managers entered + with :meth:`with_resource`. + """ + self._exit_stack.close() + # In case the context is reused, create a new exit stack. + self._exit_stack = ExitStack() + + @property + def command_path(self) -> str: + """The computed command path. This is used for the ``usage`` + information on the help page. It's automatically created by + combining the info names of the chain of contexts to the root. + """ + rv = "" + if self.info_name is not None: + rv = self.info_name + if self.parent is not None: + parent_command_path = [self.parent.command_path] + + if isinstance(self.parent.command, Command): + for param in self.parent.command.get_params(self): + parent_command_path.extend(param.get_usage_pieces(self)) + + rv = f"{' '.join(parent_command_path)} {rv}" + return rv.lstrip() + + def find_root(self) -> "Context": + """Finds the outermost context.""" + node = self + while node.parent is not None: + node = node.parent + return node + + def find_object(self, object_type: t.Type[V]) -> t.Optional[V]: + """Finds the closest object of a given type.""" + node: t.Optional["Context"] = self + + while node is not None: + if isinstance(node.obj, object_type): + return node.obj + + node = node.parent + + return None + + def ensure_object(self, object_type: t.Type[V]) -> V: + """Like :meth:`find_object` but sets the innermost object to a + new instance of `object_type` if it does not exist. + """ + rv = self.find_object(object_type) + if rv is None: + self.obj = rv = object_type() + return rv + + @t.overload + def lookup_default( + self, name: str, call: "te.Literal[True]" = True + ) -> t.Optional[t.Any]: + ... + + @t.overload + def lookup_default( + self, name: str, call: "te.Literal[False]" = ... + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + ... + + def lookup_default(self, name: str, call: bool = True) -> t.Optional[t.Any]: + """Get the default for a parameter from :attr:`default_map`. + + :param name: Name of the parameter. + :param call: If the default is a callable, call it. Disable to + return the callable instead. + + .. versionchanged:: 8.0 + Added the ``call`` parameter. + """ + if self.default_map is not None: + value = self.default_map.get(name) + + if call and callable(value): + return value() + + return value + + return None + + def fail(self, message: str) -> "te.NoReturn": + """Aborts the execution of the program with a specific error + message. + + :param message: the error message to fail with. + """ + raise UsageError(message, self) + + def abort(self) -> "te.NoReturn": + """Aborts the script.""" + raise Abort() + + def exit(self, code: int = 0) -> "te.NoReturn": + """Exits the application with a given exit code.""" + raise Exit(code) + + def get_usage(self) -> str: + """Helper method to get formatted usage string for the current + context and command. + """ + return self.command.get_usage(self) + + def get_help(self) -> str: + """Helper method to get formatted help page for the current + context and command. + """ + return self.command.get_help(self) + + def _make_sub_context(self, command: "Command") -> "Context": + """Create a new context of the same type as this context, but + for a new command. + + :meta private: + """ + return type(self)(command, info_name=command.name, parent=self) + + @t.overload + def invoke( + __self, # noqa: B902 + __callback: "t.Callable[..., V]", + *args: t.Any, + **kwargs: t.Any, + ) -> V: + ... + + @t.overload + def invoke( + __self, # noqa: B902 + __callback: "Command", + *args: t.Any, + **kwargs: t.Any, + ) -> t.Any: + ... + + def invoke( + __self, # noqa: B902 + __callback: t.Union["Command", "t.Callable[..., V]"], + *args: t.Any, + **kwargs: t.Any, + ) -> t.Union[t.Any, V]: + """Invokes a command callback in exactly the way it expects. There + are two ways to invoke this method: + + 1. the first argument can be a callback and all other arguments and + keyword arguments are forwarded directly to the function. + 2. the first argument is a click command object. In that case all + arguments are forwarded as well but proper click parameters + (options and click arguments) must be keyword arguments and Click + will fill in defaults. + + Note that before Click 3.2 keyword arguments were not properly filled + in against the intention of this code and no context was created. For + more information about this change and why it was done in a bugfix + release see :ref:`upgrade-to-3.2`. + + .. versionchanged:: 8.0 + All ``kwargs`` are tracked in :attr:`params` so they will be + passed if :meth:`forward` is called at multiple levels. + """ + if isinstance(__callback, Command): + other_cmd = __callback + + if other_cmd.callback is None: + raise TypeError( + "The given command does not have a callback that can be invoked." + ) + else: + __callback = t.cast("t.Callable[..., V]", other_cmd.callback) + + ctx = __self._make_sub_context(other_cmd) + + for param in other_cmd.params: + if param.name not in kwargs and param.expose_value: + kwargs[param.name] = param.type_cast_value( # type: ignore + ctx, param.get_default(ctx) + ) + + # Track all kwargs as params, so that forward() will pass + # them on in subsequent calls. + ctx.params.update(kwargs) + else: + ctx = __self + + with augment_usage_errors(__self): + with ctx: + return __callback(*args, **kwargs) + + def forward( + __self, __cmd: "Command", *args: t.Any, **kwargs: t.Any # noqa: B902 + ) -> t.Any: + """Similar to :meth:`invoke` but fills in default keyword + arguments from the current context if the other command expects + it. This cannot invoke callbacks directly, only other commands. + + .. versionchanged:: 8.0 + All ``kwargs`` are tracked in :attr:`params` so they will be + passed if ``forward`` is called at multiple levels. + """ + # Can only forward to other commands, not direct callbacks. + if not isinstance(__cmd, Command): + raise TypeError("Callback is not a command.") + + for param in __self.params: + if param not in kwargs: + kwargs[param] = __self.params[param] + + return __self.invoke(__cmd, *args, **kwargs) + + def set_parameter_source(self, name: str, source: ParameterSource) -> None: + """Set the source of a parameter. This indicates the location + from which the value of the parameter was obtained. + + :param name: The name of the parameter. + :param source: A member of :class:`~click.core.ParameterSource`. + """ + self._parameter_source[name] = source + + def get_parameter_source(self, name: str) -> t.Optional[ParameterSource]: + """Get the source of a parameter. This indicates the location + from which the value of the parameter was obtained. + + This can be useful for determining when a user specified a value + on the command line that is the same as the default value. It + will be :attr:`~click.core.ParameterSource.DEFAULT` only if the + value was actually taken from the default. + + :param name: The name of the parameter. + :rtype: ParameterSource + + .. versionchanged:: 8.0 + Returns ``None`` if the parameter was not provided from any + source. + """ + return self._parameter_source.get(name) + + +class BaseCommand: + """The base command implements the minimal API contract of commands. + Most code will never use this as it does not implement a lot of useful + functionality but it can act as the direct subclass of alternative + parsing methods that do not depend on the Click parser. + + For instance, this can be used to bridge Click and other systems like + argparse or docopt. + + Because base commands do not implement a lot of the API that other + parts of Click take for granted, they are not supported for all + operations. For instance, they cannot be used with the decorators + usually and they have no built-in callback system. + + .. versionchanged:: 2.0 + Added the `context_settings` parameter. + + :param name: the name of the command to use unless a group overrides it. + :param context_settings: an optional dictionary with defaults that are + passed to the context object. + """ + + #: The context class to create with :meth:`make_context`. + #: + #: .. versionadded:: 8.0 + context_class: t.Type[Context] = Context + #: the default for the :attr:`Context.allow_extra_args` flag. + allow_extra_args = False + #: the default for the :attr:`Context.allow_interspersed_args` flag. + allow_interspersed_args = True + #: the default for the :attr:`Context.ignore_unknown_options` flag. + ignore_unknown_options = False + + def __init__( + self, + name: t.Optional[str], + context_settings: t.Optional[t.MutableMapping[str, t.Any]] = None, + ) -> None: + #: the name the command thinks it has. Upon registering a command + #: on a :class:`Group` the group will default the command name + #: with this information. You should instead use the + #: :class:`Context`\'s :attr:`~Context.info_name` attribute. + self.name = name + + if context_settings is None: + context_settings = {} + + #: an optional dictionary with defaults passed to the context. + self.context_settings: t.MutableMapping[str, t.Any] = context_settings + + def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. This traverses the entire structure + below this command. + + Use :meth:`click.Context.to_info_dict` to traverse the entire + CLI structure. + + :param ctx: A :class:`Context` representing this command. + + .. versionadded:: 8.0 + """ + return {"name": self.name} + + def __repr__(self) -> str: + return f"<{self.__class__.__name__} {self.name}>" + + def get_usage(self, ctx: Context) -> str: + raise NotImplementedError("Base commands cannot get usage") + + def get_help(self, ctx: Context) -> str: + raise NotImplementedError("Base commands cannot get help") + + def make_context( + self, + info_name: t.Optional[str], + args: t.List[str], + parent: t.Optional[Context] = None, + **extra: t.Any, + ) -> Context: + """This function when given an info name and arguments will kick + off the parsing and create a new :class:`Context`. It does not + invoke the actual command callback though. + + To quickly customize the context class used without overriding + this method, set the :attr:`context_class` attribute. + + :param info_name: the info name for this invocation. Generally this + is the most descriptive name for the script or + command. For the toplevel script it's usually + the name of the script, for commands below it's + the name of the command. + :param args: the arguments to parse as list of strings. + :param parent: the parent context if available. + :param extra: extra keyword arguments forwarded to the context + constructor. + + .. versionchanged:: 8.0 + Added the :attr:`context_class` attribute. + """ + for key, value in self.context_settings.items(): + if key not in extra: + extra[key] = value + + ctx = self.context_class( + self, info_name=info_name, parent=parent, **extra # type: ignore + ) + + with ctx.scope(cleanup=False): + self.parse_args(ctx, args) + return ctx + + def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]: + """Given a context and a list of arguments this creates the parser + and parses the arguments, then modifies the context as necessary. + This is automatically invoked by :meth:`make_context`. + """ + raise NotImplementedError("Base commands do not know how to parse arguments.") + + def invoke(self, ctx: Context) -> t.Any: + """Given a context, this invokes the command. The default + implementation is raising a not implemented error. + """ + raise NotImplementedError("Base commands are not invocable by default") + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. Looks + at the names of chained multi-commands. + + Any command could be part of a chained multi-command, so sibling + commands are valid at any point during command completion. Other + command classes will return more completions. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + results: t.List["CompletionItem"] = [] + + while ctx.parent is not None: + ctx = ctx.parent + + if isinstance(ctx.command, MultiCommand) and ctx.command.chain: + results.extend( + CompletionItem(name, help=command.get_short_help_str()) + for name, command in _complete_visible_commands(ctx, incomplete) + if name not in ctx.protected_args + ) + + return results + + @t.overload + def main( + self, + args: t.Optional[t.Sequence[str]] = None, + prog_name: t.Optional[str] = None, + complete_var: t.Optional[str] = None, + standalone_mode: "te.Literal[True]" = True, + **extra: t.Any, + ) -> "te.NoReturn": + ... + + @t.overload + def main( + self, + args: t.Optional[t.Sequence[str]] = None, + prog_name: t.Optional[str] = None, + complete_var: t.Optional[str] = None, + standalone_mode: bool = ..., + **extra: t.Any, + ) -> t.Any: + ... + + def main( + self, + args: t.Optional[t.Sequence[str]] = None, + prog_name: t.Optional[str] = None, + complete_var: t.Optional[str] = None, + standalone_mode: bool = True, + windows_expand_args: bool = True, + **extra: t.Any, + ) -> t.Any: + """This is the way to invoke a script with all the bells and + whistles as a command line application. This will always terminate + the application after a call. If this is not wanted, ``SystemExit`` + needs to be caught. + + This method is also available by directly calling the instance of + a :class:`Command`. + + :param args: the arguments that should be used for parsing. If not + provided, ``sys.argv[1:]`` is used. + :param prog_name: the program name that should be used. By default + the program name is constructed by taking the file + name from ``sys.argv[0]``. + :param complete_var: the environment variable that controls the + bash completion support. The default is + ``"__COMPLETE"`` with prog_name in + uppercase. + :param standalone_mode: the default behavior is to invoke the script + in standalone mode. Click will then + handle exceptions and convert them into + error messages and the function will never + return but shut down the interpreter. If + this is set to `False` they will be + propagated to the caller and the return + value of this function is the return value + of :meth:`invoke`. + :param windows_expand_args: Expand glob patterns, user dir, and + env vars in command line args on Windows. + :param extra: extra keyword arguments are forwarded to the context + constructor. See :class:`Context` for more information. + + .. versionchanged:: 8.0.1 + Added the ``windows_expand_args`` parameter to allow + disabling command line arg expansion on Windows. + + .. versionchanged:: 8.0 + When taking arguments from ``sys.argv`` on Windows, glob + patterns, user dir, and env vars are expanded. + + .. versionchanged:: 3.0 + Added the ``standalone_mode`` parameter. + """ + if args is None: + args = sys.argv[1:] + + if os.name == "nt" and windows_expand_args: + args = _expand_args(args) + else: + args = list(args) + + if prog_name is None: + prog_name = _detect_program_name() + + # Process shell completion requests and exit early. + self._main_shell_completion(extra, prog_name, complete_var) + + try: + try: + with self.make_context(prog_name, args, **extra) as ctx: + rv = self.invoke(ctx) + if not standalone_mode: + return rv + # it's not safe to `ctx.exit(rv)` here! + # note that `rv` may actually contain data like "1" which + # has obvious effects + # more subtle case: `rv=[None, None]` can come out of + # chained commands which all returned `None` -- so it's not + # even always obvious that `rv` indicates success/failure + # by its truthiness/falsiness + ctx.exit() + except (EOFError, KeyboardInterrupt) as e: + echo(file=sys.stderr) + raise Abort() from e + except ClickException as e: + if not standalone_mode: + raise + e.show() + sys.exit(e.exit_code) + except OSError as e: + if e.errno == errno.EPIPE: + sys.stdout = t.cast(t.TextIO, PacifyFlushWrapper(sys.stdout)) + sys.stderr = t.cast(t.TextIO, PacifyFlushWrapper(sys.stderr)) + sys.exit(1) + else: + raise + except Exit as e: + if standalone_mode: + sys.exit(e.exit_code) + else: + # in non-standalone mode, return the exit code + # note that this is only reached if `self.invoke` above raises + # an Exit explicitly -- thus bypassing the check there which + # would return its result + # the results of non-standalone execution may therefore be + # somewhat ambiguous: if there are codepaths which lead to + # `ctx.exit(1)` and to `return 1`, the caller won't be able to + # tell the difference between the two + return e.exit_code + except Abort: + if not standalone_mode: + raise + echo(_("Aborted!"), file=sys.stderr) + sys.exit(1) + + def _main_shell_completion( + self, + ctx_args: t.MutableMapping[str, t.Any], + prog_name: str, + complete_var: t.Optional[str] = None, + ) -> None: + """Check if the shell is asking for tab completion, process + that, then exit early. Called from :meth:`main` before the + program is invoked. + + :param prog_name: Name of the executable in the shell. + :param complete_var: Name of the environment variable that holds + the completion instruction. Defaults to + ``_{PROG_NAME}_COMPLETE``. + + .. versionchanged:: 8.2.0 + Dots (``.``) in ``prog_name`` are replaced with underscores (``_``). + """ + if complete_var is None: + complete_name = prog_name.replace("-", "_").replace(".", "_") + complete_var = f"_{complete_name}_COMPLETE".upper() + + instruction = os.environ.get(complete_var) + + if not instruction: + return + + from .shell_completion import shell_complete + + rv = shell_complete(self, ctx_args, prog_name, complete_var, instruction) + sys.exit(rv) + + def __call__(self, *args: t.Any, **kwargs: t.Any) -> t.Any: + """Alias for :meth:`main`.""" + return self.main(*args, **kwargs) + + +class Command(BaseCommand): + """Commands are the basic building block of command line interfaces in + Click. A basic command handles command line parsing and might dispatch + more parsing to commands nested below it. + + :param name: the name of the command to use unless a group overrides it. + :param context_settings: an optional dictionary with defaults that are + passed to the context object. + :param callback: the callback to invoke. This is optional. + :param params: the parameters to register with this command. This can + be either :class:`Option` or :class:`Argument` objects. + :param help: the help string to use for this command. + :param epilog: like the help string but it's printed at the end of the + help page after everything else. + :param short_help: the short help to use for this command. This is + shown on the command listing of the parent command. + :param add_help_option: by default each command registers a ``--help`` + option. This can be disabled by this parameter. + :param no_args_is_help: this controls what happens if no arguments are + provided. This option is disabled by default. + If enabled this will add ``--help`` as argument + if no arguments are passed + :param hidden: hide this command from help outputs. + + :param deprecated: issues a message indicating that + the command is deprecated. + + .. versionchanged:: 8.1 + ``help``, ``epilog``, and ``short_help`` are stored unprocessed, + all formatting is done when outputting help text, not at init, + and is done even if not using the ``@command`` decorator. + + .. versionchanged:: 8.0 + Added a ``repr`` showing the command name. + + .. versionchanged:: 7.1 + Added the ``no_args_is_help`` parameter. + + .. versionchanged:: 2.0 + Added the ``context_settings`` parameter. + """ + + def __init__( + self, + name: t.Optional[str], + context_settings: t.Optional[t.MutableMapping[str, t.Any]] = None, + callback: t.Optional[t.Callable[..., t.Any]] = None, + params: t.Optional[t.List["Parameter"]] = None, + help: t.Optional[str] = None, + epilog: t.Optional[str] = None, + short_help: t.Optional[str] = None, + options_metavar: t.Optional[str] = "[OPTIONS]", + add_help_option: bool = True, + no_args_is_help: bool = False, + hidden: bool = False, + deprecated: bool = False, + ) -> None: + super().__init__(name, context_settings) + #: the callback to execute when the command fires. This might be + #: `None` in which case nothing happens. + self.callback = callback + #: the list of parameters for this command in the order they + #: should show up in the help page and execute. Eager parameters + #: will automatically be handled before non eager ones. + self.params: t.List["Parameter"] = params or [] + self.help = help + self.epilog = epilog + self.options_metavar = options_metavar + self.short_help = short_help + self.add_help_option = add_help_option + self.no_args_is_help = no_args_is_help + self.hidden = hidden + self.deprecated = deprecated + + def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict(ctx) + info_dict.update( + params=[param.to_info_dict() for param in self.get_params(ctx)], + help=self.help, + epilog=self.epilog, + short_help=self.short_help, + hidden=self.hidden, + deprecated=self.deprecated, + ) + return info_dict + + def get_usage(self, ctx: Context) -> str: + """Formats the usage line into a string and returns it. + + Calls :meth:`format_usage` internally. + """ + formatter = ctx.make_formatter() + self.format_usage(ctx, formatter) + return formatter.getvalue().rstrip("\n") + + def get_params(self, ctx: Context) -> t.List["Parameter"]: + rv = self.params + help_option = self.get_help_option(ctx) + + if help_option is not None: + rv = [*rv, help_option] + + return rv + + def format_usage(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the usage line into the formatter. + + This is a low-level method called by :meth:`get_usage`. + """ + pieces = self.collect_usage_pieces(ctx) + formatter.write_usage(ctx.command_path, " ".join(pieces)) + + def collect_usage_pieces(self, ctx: Context) -> t.List[str]: + """Returns all the pieces that go into the usage line and returns + it as a list of strings. + """ + rv = [self.options_metavar] if self.options_metavar else [] + + for param in self.get_params(ctx): + rv.extend(param.get_usage_pieces(ctx)) + + return rv + + def get_help_option_names(self, ctx: Context) -> t.List[str]: + """Returns the names for the help option.""" + all_names = set(ctx.help_option_names) + for param in self.params: + all_names.difference_update(param.opts) + all_names.difference_update(param.secondary_opts) + return list(all_names) + + def get_help_option(self, ctx: Context) -> t.Optional["Option"]: + """Returns the help option object.""" + help_options = self.get_help_option_names(ctx) + + if not help_options or not self.add_help_option: + return None + + def show_help(ctx: Context, param: "Parameter", value: str) -> None: + if value and not ctx.resilient_parsing: + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + return Option( + help_options, + is_flag=True, + is_eager=True, + expose_value=False, + callback=show_help, + help=_("Show this message and exit."), + ) + + def make_parser(self, ctx: Context) -> OptionParser: + """Creates the underlying option parser for this command.""" + parser = OptionParser(ctx) + for param in self.get_params(ctx): + param.add_to_parser(parser, ctx) + return parser + + def get_help(self, ctx: Context) -> str: + """Formats the help into a string and returns it. + + Calls :meth:`format_help` internally. + """ + formatter = ctx.make_formatter() + self.format_help(ctx, formatter) + return formatter.getvalue().rstrip("\n") + + def get_short_help_str(self, limit: int = 45) -> str: + """Gets short help for the command or makes it by shortening the + long help string. + """ + if self.short_help: + text = inspect.cleandoc(self.short_help) + elif self.help: + text = make_default_short_help(self.help, limit) + else: + text = "" + + if self.deprecated: + text = _("(Deprecated) {text}").format(text=text) + + return text.strip() + + def format_help(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the help into the formatter if it exists. + + This is a low-level method called by :meth:`get_help`. + + This calls the following methods: + + - :meth:`format_usage` + - :meth:`format_help_text` + - :meth:`format_options` + - :meth:`format_epilog` + """ + self.format_usage(ctx, formatter) + self.format_help_text(ctx, formatter) + self.format_options(ctx, formatter) + self.format_epilog(ctx, formatter) + + def format_help_text(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the help text to the formatter if it exists.""" + if self.help is not None: + # truncate the help text to the first form feed + text = inspect.cleandoc(self.help).partition("\f")[0] + else: + text = "" + + if self.deprecated: + text = _("(Deprecated) {text}").format(text=text) + + if text: + formatter.write_paragraph() + + with formatter.indentation(): + formatter.write_text(text) + + def format_options(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes all the options into the formatter if they exist.""" + opts = [] + for param in self.get_params(ctx): + rv = param.get_help_record(ctx) + if rv is not None: + opts.append(rv) + + if opts: + with formatter.section(_("Options")): + formatter.write_dl(opts) + + def format_epilog(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the epilog into the formatter if it exists.""" + if self.epilog: + epilog = inspect.cleandoc(self.epilog) + formatter.write_paragraph() + + with formatter.indentation(): + formatter.write_text(epilog) + + def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]: + if not args and self.no_args_is_help and not ctx.resilient_parsing: + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + parser = self.make_parser(ctx) + opts, args, param_order = parser.parse_args(args=args) + + for param in iter_params_for_processing(param_order, self.get_params(ctx)): + value, args = param.handle_parse_result(ctx, opts, args) + + if args and not ctx.allow_extra_args and not ctx.resilient_parsing: + ctx.fail( + ngettext( + "Got unexpected extra argument ({args})", + "Got unexpected extra arguments ({args})", + len(args), + ).format(args=" ".join(map(str, args))) + ) + + ctx.args = args + ctx._opt_prefixes.update(parser._opt_prefixes) + return args + + def invoke(self, ctx: Context) -> t.Any: + """Given a context, this invokes the attached callback (if it exists) + in the right way. + """ + if self.deprecated: + message = _( + "DeprecationWarning: The command {name!r} is deprecated." + ).format(name=self.name) + echo(style(message, fg="red"), err=True) + + if self.callback is not None: + return ctx.invoke(self.callback, **ctx.params) + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. Looks + at the names of options and chained multi-commands. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + results: t.List["CompletionItem"] = [] + + if incomplete and not incomplete[0].isalnum(): + for param in self.get_params(ctx): + if ( + not isinstance(param, Option) + or param.hidden + or ( + not param.multiple + and ctx.get_parameter_source(param.name) # type: ignore + is ParameterSource.COMMANDLINE + ) + ): + continue + + results.extend( + CompletionItem(name, help=param.help) + for name in [*param.opts, *param.secondary_opts] + if name.startswith(incomplete) + ) + + results.extend(super().shell_complete(ctx, incomplete)) + return results + + +class MultiCommand(Command): + """A multi command is the basic implementation of a command that + dispatches to subcommands. The most common version is the + :class:`Group`. + + :param invoke_without_command: this controls how the multi command itself + is invoked. By default it's only invoked + if a subcommand is provided. + :param no_args_is_help: this controls what happens if no arguments are + provided. This option is enabled by default if + `invoke_without_command` is disabled or disabled + if it's enabled. If enabled this will add + ``--help`` as argument if no arguments are + passed. + :param subcommand_metavar: the string that is used in the documentation + to indicate the subcommand place. + :param chain: if this is set to `True` chaining of multiple subcommands + is enabled. This restricts the form of commands in that + they cannot have optional arguments but it allows + multiple commands to be chained together. + :param result_callback: The result callback to attach to this multi + command. This can be set or changed later with the + :meth:`result_callback` decorator. + :param attrs: Other command arguments described in :class:`Command`. + """ + + allow_extra_args = True + allow_interspersed_args = False + + def __init__( + self, + name: t.Optional[str] = None, + invoke_without_command: bool = False, + no_args_is_help: t.Optional[bool] = None, + subcommand_metavar: t.Optional[str] = None, + chain: bool = False, + result_callback: t.Optional[t.Callable[..., t.Any]] = None, + **attrs: t.Any, + ) -> None: + super().__init__(name, **attrs) + + if no_args_is_help is None: + no_args_is_help = not invoke_without_command + + self.no_args_is_help = no_args_is_help + self.invoke_without_command = invoke_without_command + + if subcommand_metavar is None: + if chain: + subcommand_metavar = "COMMAND1 [ARGS]... [COMMAND2 [ARGS]...]..." + else: + subcommand_metavar = "COMMAND [ARGS]..." + + self.subcommand_metavar = subcommand_metavar + self.chain = chain + # The result callback that is stored. This can be set or + # overridden with the :func:`result_callback` decorator. + self._result_callback = result_callback + + if self.chain: + for param in self.params: + if isinstance(param, Argument) and not param.required: + raise RuntimeError( + "Multi commands in chain mode cannot have" + " optional arguments." + ) + + def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict(ctx) + commands = {} + + for name in self.list_commands(ctx): + command = self.get_command(ctx, name) + + if command is None: + continue + + sub_ctx = ctx._make_sub_context(command) + + with sub_ctx.scope(cleanup=False): + commands[name] = command.to_info_dict(sub_ctx) + + info_dict.update(commands=commands, chain=self.chain) + return info_dict + + def collect_usage_pieces(self, ctx: Context) -> t.List[str]: + rv = super().collect_usage_pieces(ctx) + rv.append(self.subcommand_metavar) + return rv + + def format_options(self, ctx: Context, formatter: HelpFormatter) -> None: + super().format_options(ctx, formatter) + self.format_commands(ctx, formatter) + + def result_callback(self, replace: bool = False) -> t.Callable[[F], F]: + """Adds a result callback to the command. By default if a + result callback is already registered this will chain them but + this can be disabled with the `replace` parameter. The result + callback is invoked with the return value of the subcommand + (or the list of return values from all subcommands if chaining + is enabled) as well as the parameters as they would be passed + to the main callback. + + Example:: + + @click.group() + @click.option('-i', '--input', default=23) + def cli(input): + return 42 + + @cli.result_callback() + def process_result(result, input): + return result + input + + :param replace: if set to `True` an already existing result + callback will be removed. + + .. versionchanged:: 8.0 + Renamed from ``resultcallback``. + + .. versionadded:: 3.0 + """ + + def decorator(f: F) -> F: + old_callback = self._result_callback + + if old_callback is None or replace: + self._result_callback = f + return f + + def function(__value, *args, **kwargs): # type: ignore + inner = old_callback(__value, *args, **kwargs) + return f(inner, *args, **kwargs) + + self._result_callback = rv = update_wrapper(t.cast(F, function), f) + return rv + + return decorator + + def format_commands(self, ctx: Context, formatter: HelpFormatter) -> None: + """Extra format methods for multi methods that adds all the commands + after the options. + """ + commands = [] + for subcommand in self.list_commands(ctx): + cmd = self.get_command(ctx, subcommand) + # What is this, the tool lied about a command. Ignore it + if cmd is None: + continue + if cmd.hidden: + continue + + commands.append((subcommand, cmd)) + + # allow for 3 times the default spacing + if len(commands): + limit = formatter.width - 6 - max(len(cmd[0]) for cmd in commands) + + rows = [] + for subcommand, cmd in commands: + help = cmd.get_short_help_str(limit) + rows.append((subcommand, help)) + + if rows: + with formatter.section(_("Commands")): + formatter.write_dl(rows) + + def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]: + if not args and self.no_args_is_help and not ctx.resilient_parsing: + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + rest = super().parse_args(ctx, args) + + if self.chain: + ctx.protected_args = rest + ctx.args = [] + elif rest: + ctx.protected_args, ctx.args = rest[:1], rest[1:] + + return ctx.args + + def invoke(self, ctx: Context) -> t.Any: + def _process_result(value: t.Any) -> t.Any: + if self._result_callback is not None: + value = ctx.invoke(self._result_callback, value, **ctx.params) + return value + + if not ctx.protected_args: + if self.invoke_without_command: + # No subcommand was invoked, so the result callback is + # invoked with the group return value for regular + # groups, or an empty list for chained groups. + with ctx: + rv = super().invoke(ctx) + return _process_result([] if self.chain else rv) + ctx.fail(_("Missing command.")) + + # Fetch args back out + args = [*ctx.protected_args, *ctx.args] + ctx.args = [] + ctx.protected_args = [] + + # If we're not in chain mode, we only allow the invocation of a + # single command but we also inform the current context about the + # name of the command to invoke. + if not self.chain: + # Make sure the context is entered so we do not clean up + # resources until the result processor has worked. + with ctx: + cmd_name, cmd, args = self.resolve_command(ctx, args) + assert cmd is not None + ctx.invoked_subcommand = cmd_name + super().invoke(ctx) + sub_ctx = cmd.make_context(cmd_name, args, parent=ctx) + with sub_ctx: + return _process_result(sub_ctx.command.invoke(sub_ctx)) + + # In chain mode we create the contexts step by step, but after the + # base command has been invoked. Because at that point we do not + # know the subcommands yet, the invoked subcommand attribute is + # set to ``*`` to inform the command that subcommands are executed + # but nothing else. + with ctx: + ctx.invoked_subcommand = "*" if args else None + super().invoke(ctx) + + # Otherwise we make every single context and invoke them in a + # chain. In that case the return value to the result processor + # is the list of all invoked subcommand's results. + contexts = [] + while args: + cmd_name, cmd, args = self.resolve_command(ctx, args) + assert cmd is not None + sub_ctx = cmd.make_context( + cmd_name, + args, + parent=ctx, + allow_extra_args=True, + allow_interspersed_args=False, + ) + contexts.append(sub_ctx) + args, sub_ctx.args = sub_ctx.args, [] + + rv = [] + for sub_ctx in contexts: + with sub_ctx: + rv.append(sub_ctx.command.invoke(sub_ctx)) + return _process_result(rv) + + def resolve_command( + self, ctx: Context, args: t.List[str] + ) -> t.Tuple[t.Optional[str], t.Optional[Command], t.List[str]]: + cmd_name = make_str(args[0]) + original_cmd_name = cmd_name + + # Get the command + cmd = self.get_command(ctx, cmd_name) + + # If we can't find the command but there is a normalization + # function available, we try with that one. + if cmd is None and ctx.token_normalize_func is not None: + cmd_name = ctx.token_normalize_func(cmd_name) + cmd = self.get_command(ctx, cmd_name) + + # If we don't find the command we want to show an error message + # to the user that it was not provided. However, there is + # something else we should do: if the first argument looks like + # an option we want to kick off parsing again for arguments to + # resolve things like --help which now should go to the main + # place. + if cmd is None and not ctx.resilient_parsing: + if split_opt(cmd_name)[0]: + self.parse_args(ctx, ctx.args) + ctx.fail(_("No such command {name!r}.").format(name=original_cmd_name)) + return cmd_name if cmd else None, cmd, args[1:] + + def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]: + """Given a context and a command name, this returns a + :class:`Command` object if it exists or returns `None`. + """ + raise NotImplementedError + + def list_commands(self, ctx: Context) -> t.List[str]: + """Returns a list of subcommand names in the order they should + appear. + """ + return [] + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. Looks + at the names of options, subcommands, and chained + multi-commands. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + results = [ + CompletionItem(name, help=command.get_short_help_str()) + for name, command in _complete_visible_commands(ctx, incomplete) + ] + results.extend(super().shell_complete(ctx, incomplete)) + return results + + +class Group(MultiCommand): + """A group allows a command to have subcommands attached. This is + the most common way to implement nesting in Click. + + :param name: The name of the group command. + :param commands: A dict mapping names to :class:`Command` objects. + Can also be a list of :class:`Command`, which will use + :attr:`Command.name` to create the dict. + :param attrs: Other command arguments described in + :class:`MultiCommand`, :class:`Command`, and + :class:`BaseCommand`. + + .. versionchanged:: 8.0 + The ``commands`` argument can be a list of command objects. + """ + + #: If set, this is used by the group's :meth:`command` decorator + #: as the default :class:`Command` class. This is useful to make all + #: subcommands use a custom command class. + #: + #: .. versionadded:: 8.0 + command_class: t.Optional[t.Type[Command]] = None + + #: If set, this is used by the group's :meth:`group` decorator + #: as the default :class:`Group` class. This is useful to make all + #: subgroups use a custom group class. + #: + #: If set to the special value :class:`type` (literally + #: ``group_class = type``), this group's class will be used as the + #: default class. This makes a custom group class continue to make + #: custom groups. + #: + #: .. versionadded:: 8.0 + group_class: t.Optional[t.Union[t.Type["Group"], t.Type[type]]] = None + # Literal[type] isn't valid, so use Type[type] + + def __init__( + self, + name: t.Optional[str] = None, + commands: t.Optional[ + t.Union[t.MutableMapping[str, Command], t.Sequence[Command]] + ] = None, + **attrs: t.Any, + ) -> None: + super().__init__(name, **attrs) + + if commands is None: + commands = {} + elif isinstance(commands, abc.Sequence): + commands = {c.name: c for c in commands if c.name is not None} + + #: The registered subcommands by their exported names. + self.commands: t.MutableMapping[str, Command] = commands + + def add_command(self, cmd: Command, name: t.Optional[str] = None) -> None: + """Registers another :class:`Command` with this group. If the name + is not provided, the name of the command is used. + """ + name = name or cmd.name + if name is None: + raise TypeError("Command has no name.") + _check_multicommand(self, name, cmd, register=True) + self.commands[name] = cmd + + @t.overload + def command(self, __func: t.Callable[..., t.Any]) -> Command: + ... + + @t.overload + def command( + self, *args: t.Any, **kwargs: t.Any + ) -> t.Callable[[t.Callable[..., t.Any]], Command]: + ... + + def command( + self, *args: t.Any, **kwargs: t.Any + ) -> t.Union[t.Callable[[t.Callable[..., t.Any]], Command], Command]: + """A shortcut decorator for declaring and attaching a command to + the group. This takes the same arguments as :func:`command` and + immediately registers the created command with this group by + calling :meth:`add_command`. + + To customize the command class used, set the + :attr:`command_class` attribute. + + .. versionchanged:: 8.1 + This decorator can be applied without parentheses. + + .. versionchanged:: 8.0 + Added the :attr:`command_class` attribute. + """ + from .decorators import command + + func: t.Optional[t.Callable[..., t.Any]] = None + + if args and callable(args[0]): + assert ( + len(args) == 1 and not kwargs + ), "Use 'command(**kwargs)(callable)' to provide arguments." + (func,) = args + args = () + + if self.command_class and kwargs.get("cls") is None: + kwargs["cls"] = self.command_class + + def decorator(f: t.Callable[..., t.Any]) -> Command: + cmd: Command = command(*args, **kwargs)(f) + self.add_command(cmd) + return cmd + + if func is not None: + return decorator(func) + + return decorator + + @t.overload + def group(self, __func: t.Callable[..., t.Any]) -> "Group": + ... + + @t.overload + def group( + self, *args: t.Any, **kwargs: t.Any + ) -> t.Callable[[t.Callable[..., t.Any]], "Group"]: + ... + + def group( + self, *args: t.Any, **kwargs: t.Any + ) -> t.Union[t.Callable[[t.Callable[..., t.Any]], "Group"], "Group"]: + """A shortcut decorator for declaring and attaching a group to + the group. This takes the same arguments as :func:`group` and + immediately registers the created group with this group by + calling :meth:`add_command`. + + To customize the group class used, set the :attr:`group_class` + attribute. + + .. versionchanged:: 8.1 + This decorator can be applied without parentheses. + + .. versionchanged:: 8.0 + Added the :attr:`group_class` attribute. + """ + from .decorators import group + + func: t.Optional[t.Callable[..., t.Any]] = None + + if args and callable(args[0]): + assert ( + len(args) == 1 and not kwargs + ), "Use 'group(**kwargs)(callable)' to provide arguments." + (func,) = args + args = () + + if self.group_class is not None and kwargs.get("cls") is None: + if self.group_class is type: + kwargs["cls"] = type(self) + else: + kwargs["cls"] = self.group_class + + def decorator(f: t.Callable[..., t.Any]) -> "Group": + cmd: Group = group(*args, **kwargs)(f) + self.add_command(cmd) + return cmd + + if func is not None: + return decorator(func) + + return decorator + + def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]: + return self.commands.get(cmd_name) + + def list_commands(self, ctx: Context) -> t.List[str]: + return sorted(self.commands) + + +class CommandCollection(MultiCommand): + """A command collection is a multi command that merges multiple multi + commands together into one. This is a straightforward implementation + that accepts a list of different multi commands as sources and + provides all the commands for each of them. + + See :class:`MultiCommand` and :class:`Command` for the description of + ``name`` and ``attrs``. + """ + + def __init__( + self, + name: t.Optional[str] = None, + sources: t.Optional[t.List[MultiCommand]] = None, + **attrs: t.Any, + ) -> None: + super().__init__(name, **attrs) + #: The list of registered multi commands. + self.sources: t.List[MultiCommand] = sources or [] + + def add_source(self, multi_cmd: MultiCommand) -> None: + """Adds a new multi command to the chain dispatcher.""" + self.sources.append(multi_cmd) + + def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]: + for source in self.sources: + rv = source.get_command(ctx, cmd_name) + + if rv is not None: + if self.chain: + _check_multicommand(self, cmd_name, rv) + + return rv + + return None + + def list_commands(self, ctx: Context) -> t.List[str]: + rv: t.Set[str] = set() + + for source in self.sources: + rv.update(source.list_commands(ctx)) + + return sorted(rv) + + +def _check_iter(value: t.Any) -> t.Iterator[t.Any]: + """Check if the value is iterable but not a string. Raises a type + error, or return an iterator over the value. + """ + if isinstance(value, str): + raise TypeError + + return iter(value) + + +class Parameter: + r"""A parameter to a command comes in two versions: they are either + :class:`Option`\s or :class:`Argument`\s. Other subclasses are currently + not supported by design as some of the internals for parsing are + intentionally not finalized. + + Some settings are supported by both options and arguments. + + :param param_decls: the parameter declarations for this option or + argument. This is a list of flags or argument + names. + :param type: the type that should be used. Either a :class:`ParamType` + or a Python type. The latter is converted into the former + automatically if supported. + :param required: controls if this is optional or not. + :param default: the default value if omitted. This can also be a callable, + in which case it's invoked when the default is needed + without any arguments. + :param callback: A function to further process or validate the value + after type conversion. It is called as ``f(ctx, param, value)`` + and must return the value. It is called for all sources, + including prompts. + :param nargs: the number of arguments to match. If not ``1`` the return + value is a tuple instead of single value. The default for + nargs is ``1`` (except if the type is a tuple, then it's + the arity of the tuple). If ``nargs=-1``, all remaining + parameters are collected. + :param metavar: how the value is represented in the help page. + :param expose_value: if this is `True` then the value is passed onwards + to the command callback and stored on the context, + otherwise it's skipped. + :param is_eager: eager values are processed before non eager ones. This + should not be set for arguments or it will inverse the + order of processing. + :param envvar: a string or list of strings that are environment variables + that should be checked. + :param shell_complete: A function that returns custom shell + completions. Used instead of the param's type completion if + given. Takes ``ctx, param, incomplete`` and must return a list + of :class:`~click.shell_completion.CompletionItem` or a list of + strings. + + .. versionchanged:: 8.0 + ``process_value`` validates required parameters and bounded + ``nargs``, and invokes the parameter callback before returning + the value. This allows the callback to validate prompts. + ``full_process_value`` is removed. + + .. versionchanged:: 8.0 + ``autocompletion`` is renamed to ``shell_complete`` and has new + semantics described above. The old name is deprecated and will + be removed in 8.1, until then it will be wrapped to match the + new requirements. + + .. versionchanged:: 8.0 + For ``multiple=True, nargs>1``, the default must be a list of + tuples. + + .. versionchanged:: 8.0 + Setting a default is no longer required for ``nargs>1``, it will + default to ``None``. ``multiple=True`` or ``nargs=-1`` will + default to ``()``. + + .. versionchanged:: 7.1 + Empty environment variables are ignored rather than taking the + empty string value. This makes it possible for scripts to clear + variables if they can't unset them. + + .. versionchanged:: 2.0 + Changed signature for parameter callback to also be passed the + parameter. The old callback format will still work, but it will + raise a warning to give you a chance to migrate the code easier. + """ + + param_type_name = "parameter" + + def __init__( + self, + param_decls: t.Optional[t.Sequence[str]] = None, + type: t.Optional[t.Union[types.ParamType, t.Any]] = None, + required: bool = False, + default: t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]] = None, + callback: t.Optional[t.Callable[[Context, "Parameter", t.Any], t.Any]] = None, + nargs: t.Optional[int] = None, + multiple: bool = False, + metavar: t.Optional[str] = None, + expose_value: bool = True, + is_eager: bool = False, + envvar: t.Optional[t.Union[str, t.Sequence[str]]] = None, + shell_complete: t.Optional[ + t.Callable[ + [Context, "Parameter", str], + t.Union[t.List["CompletionItem"], t.List[str]], + ] + ] = None, + ) -> None: + self.name: t.Optional[str] + self.opts: t.List[str] + self.secondary_opts: t.List[str] + self.name, self.opts, self.secondary_opts = self._parse_decls( + param_decls or (), expose_value + ) + self.type: types.ParamType = types.convert_type(type, default) + + # Default nargs to what the type tells us if we have that + # information available. + if nargs is None: + if self.type.is_composite: + nargs = self.type.arity + else: + nargs = 1 + + self.required = required + self.callback = callback + self.nargs = nargs + self.multiple = multiple + self.expose_value = expose_value + self.default = default + self.is_eager = is_eager + self.metavar = metavar + self.envvar = envvar + self._custom_shell_complete = shell_complete + + if __debug__: + if self.type.is_composite and nargs != self.type.arity: + raise ValueError( + f"'nargs' must be {self.type.arity} (or None) for" + f" type {self.type!r}, but it was {nargs}." + ) + + # Skip no default or callable default. + check_default = default if not callable(default) else None + + if check_default is not None: + if multiple: + try: + # Only check the first value against nargs. + check_default = next(_check_iter(check_default), None) + except TypeError: + raise ValueError( + "'default' must be a list when 'multiple' is true." + ) from None + + # Can be None for multiple with empty default. + if nargs != 1 and check_default is not None: + try: + _check_iter(check_default) + except TypeError: + if multiple: + message = ( + "'default' must be a list of lists when 'multiple' is" + " true and 'nargs' != 1." + ) + else: + message = "'default' must be a list when 'nargs' != 1." + + raise ValueError(message) from None + + if nargs > 1 and len(check_default) != nargs: + subject = "item length" if multiple else "length" + raise ValueError( + f"'default' {subject} must match nargs={nargs}." + ) + + def to_info_dict(self) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. + + Use :meth:`click.Context.to_info_dict` to traverse the entire + CLI structure. + + .. versionadded:: 8.0 + """ + return { + "name": self.name, + "param_type_name": self.param_type_name, + "opts": self.opts, + "secondary_opts": self.secondary_opts, + "type": self.type.to_info_dict(), + "required": self.required, + "nargs": self.nargs, + "multiple": self.multiple, + "default": self.default, + "envvar": self.envvar, + } + + def __repr__(self) -> str: + return f"<{self.__class__.__name__} {self.name}>" + + def _parse_decls( + self, decls: t.Sequence[str], expose_value: bool + ) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]: + raise NotImplementedError() + + @property + def human_readable_name(self) -> str: + """Returns the human readable name of this parameter. This is the + same as the name for options, but the metavar for arguments. + """ + return self.name # type: ignore + + def make_metavar(self) -> str: + if self.metavar is not None: + return self.metavar + + metavar = self.type.get_metavar(self) + + if metavar is None: + metavar = self.type.name.upper() + + if self.nargs != 1: + metavar += "..." + + return metavar + + @t.overload + def get_default( + self, ctx: Context, call: "te.Literal[True]" = True + ) -> t.Optional[t.Any]: + ... + + @t.overload + def get_default( + self, ctx: Context, call: bool = ... + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + ... + + def get_default( + self, ctx: Context, call: bool = True + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + """Get the default for the parameter. Tries + :meth:`Context.lookup_default` first, then the local default. + + :param ctx: Current context. + :param call: If the default is a callable, call it. Disable to + return the callable instead. + + .. versionchanged:: 8.0.2 + Type casting is no longer performed when getting a default. + + .. versionchanged:: 8.0.1 + Type casting can fail in resilient parsing mode. Invalid + defaults will not prevent showing help text. + + .. versionchanged:: 8.0 + Looks at ``ctx.default_map`` first. + + .. versionchanged:: 8.0 + Added the ``call`` parameter. + """ + value = ctx.lookup_default(self.name, call=False) # type: ignore + + if value is None: + value = self.default + + if call and callable(value): + value = value() + + return value + + def add_to_parser(self, parser: OptionParser, ctx: Context) -> None: + raise NotImplementedError() + + def consume_value( + self, ctx: Context, opts: t.Mapping[str, t.Any] + ) -> t.Tuple[t.Any, ParameterSource]: + value = opts.get(self.name) # type: ignore + source = ParameterSource.COMMANDLINE + + if value is None: + value = self.value_from_envvar(ctx) + source = ParameterSource.ENVIRONMENT + + if value is None: + value = ctx.lookup_default(self.name) # type: ignore + source = ParameterSource.DEFAULT_MAP + + if value is None: + value = self.get_default(ctx) + source = ParameterSource.DEFAULT + + return value, source + + def type_cast_value(self, ctx: Context, value: t.Any) -> t.Any: + """Convert and validate a value against the option's + :attr:`type`, :attr:`multiple`, and :attr:`nargs`. + """ + if value is None: + return () if self.multiple or self.nargs == -1 else None + + def check_iter(value: t.Any) -> t.Iterator[t.Any]: + try: + return _check_iter(value) + except TypeError: + # This should only happen when passing in args manually, + # the parser should construct an iterable when parsing + # the command line. + raise BadParameter( + _("Value must be an iterable."), ctx=ctx, param=self + ) from None + + if self.nargs == 1 or self.type.is_composite: + + def convert(value: t.Any) -> t.Any: + return self.type(value, param=self, ctx=ctx) + + elif self.nargs == -1: + + def convert(value: t.Any) -> t.Any: # t.Tuple[t.Any, ...] + return tuple(self.type(x, self, ctx) for x in check_iter(value)) + + else: # nargs > 1 + + def convert(value: t.Any) -> t.Any: # t.Tuple[t.Any, ...] + value = tuple(check_iter(value)) + + if len(value) != self.nargs: + raise BadParameter( + ngettext( + "Takes {nargs} values but 1 was given.", + "Takes {nargs} values but {len} were given.", + len(value), + ).format(nargs=self.nargs, len=len(value)), + ctx=ctx, + param=self, + ) + + return tuple(self.type(x, self, ctx) for x in value) + + if self.multiple: + return tuple(convert(x) for x in check_iter(value)) + + return convert(value) + + def value_is_missing(self, value: t.Any) -> bool: + if value is None: + return True + + if (self.nargs != 1 or self.multiple) and value == (): + return True + + return False + + def process_value(self, ctx: Context, value: t.Any) -> t.Any: + value = self.type_cast_value(ctx, value) + + if self.required and self.value_is_missing(value): + raise MissingParameter(ctx=ctx, param=self) + + if self.callback is not None: + value = self.callback(ctx, self, value) + + return value + + def resolve_envvar_value(self, ctx: Context) -> t.Optional[str]: + if self.envvar is None: + return None + + if isinstance(self.envvar, str): + rv = os.environ.get(self.envvar) + + if rv: + return rv + else: + for envvar in self.envvar: + rv = os.environ.get(envvar) + + if rv: + return rv + + return None + + def value_from_envvar(self, ctx: Context) -> t.Optional[t.Any]: + rv: t.Optional[t.Any] = self.resolve_envvar_value(ctx) + + if rv is not None and self.nargs != 1: + rv = self.type.split_envvar_value(rv) + + return rv + + def handle_parse_result( + self, ctx: Context, opts: t.Mapping[str, t.Any], args: t.List[str] + ) -> t.Tuple[t.Any, t.List[str]]: + with augment_usage_errors(ctx, param=self): + value, source = self.consume_value(ctx, opts) + ctx.set_parameter_source(self.name, source) # type: ignore + + try: + value = self.process_value(ctx, value) + except Exception: + if not ctx.resilient_parsing: + raise + + value = None + + if self.expose_value: + ctx.params[self.name] = value # type: ignore + + return value, args + + def get_help_record(self, ctx: Context) -> t.Optional[t.Tuple[str, str]]: + pass + + def get_usage_pieces(self, ctx: Context) -> t.List[str]: + return [] + + def get_error_hint(self, ctx: Context) -> str: + """Get a stringified version of the param for use in error messages to + indicate which param caused the error. + """ + hint_list = self.opts or [self.human_readable_name] + return " / ".join(f"'{x}'" for x in hint_list) + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. If a + ``shell_complete`` function was given during init, it is used. + Otherwise, the :attr:`type` + :meth:`~click.types.ParamType.shell_complete` function is used. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + if self._custom_shell_complete is not None: + results = self._custom_shell_complete(ctx, self, incomplete) + + if results and isinstance(results[0], str): + from click.shell_completion import CompletionItem + + results = [CompletionItem(c) for c in results] + + return t.cast(t.List["CompletionItem"], results) + + return self.type.shell_complete(ctx, self, incomplete) + + +class Option(Parameter): + """Options are usually optional values on the command line and + have some extra features that arguments don't have. + + All other parameters are passed onwards to the parameter constructor. + + :param show_default: Show the default value for this option in its + help text. Values are not shown by default, unless + :attr:`Context.show_default` is ``True``. If this value is a + string, it shows that string in parentheses instead of the + actual value. This is particularly useful for dynamic options. + For single option boolean flags, the default remains hidden if + its value is ``False``. + :param show_envvar: Controls if an environment variable should be + shown on the help page. Normally, environment variables are not + shown. + :param prompt: If set to ``True`` or a non empty string then the + user will be prompted for input. If set to ``True`` the prompt + will be the option name capitalized. + :param confirmation_prompt: Prompt a second time to confirm the + value if it was prompted for. Can be set to a string instead of + ``True`` to customize the message. + :param prompt_required: If set to ``False``, the user will be + prompted for input only when the option was specified as a flag + without a value. + :param hide_input: If this is ``True`` then the input on the prompt + will be hidden from the user. This is useful for password input. + :param is_flag: forces this option to act as a flag. The default is + auto detection. + :param flag_value: which value should be used for this flag if it's + enabled. This is set to a boolean automatically if + the option string contains a slash to mark two options. + :param multiple: if this is set to `True` then the argument is accepted + multiple times and recorded. This is similar to ``nargs`` + in how it works but supports arbitrary number of + arguments. + :param count: this flag makes an option increment an integer. + :param allow_from_autoenv: if this is enabled then the value of this + parameter will be pulled from an environment + variable in case a prefix is defined on the + context. + :param help: the help string. + :param hidden: hide this option from help outputs. + :param attrs: Other command arguments described in :class:`Parameter`. + + .. versionchanged:: 8.1.0 + Help text indentation is cleaned here instead of only in the + ``@option`` decorator. + + .. versionchanged:: 8.1.0 + The ``show_default`` parameter overrides + ``Context.show_default``. + + .. versionchanged:: 8.1.0 + The default of a single option boolean flag is not shown if the + default value is ``False``. + + .. versionchanged:: 8.0.1 + ``type`` is detected from ``flag_value`` if given. + """ + + param_type_name = "option" + + def __init__( + self, + param_decls: t.Optional[t.Sequence[str]] = None, + show_default: t.Union[bool, str, None] = None, + prompt: t.Union[bool, str] = False, + confirmation_prompt: t.Union[bool, str] = False, + prompt_required: bool = True, + hide_input: bool = False, + is_flag: t.Optional[bool] = None, + flag_value: t.Optional[t.Any] = None, + multiple: bool = False, + count: bool = False, + allow_from_autoenv: bool = True, + type: t.Optional[t.Union[types.ParamType, t.Any]] = None, + help: t.Optional[str] = None, + hidden: bool = False, + show_choices: bool = True, + show_envvar: bool = False, + **attrs: t.Any, + ) -> None: + if help: + help = inspect.cleandoc(help) + + default_is_missing = "default" not in attrs + super().__init__(param_decls, type=type, multiple=multiple, **attrs) + + if prompt is True: + if self.name is None: + raise TypeError("'name' is required with 'prompt=True'.") + + prompt_text: t.Optional[str] = self.name.replace("_", " ").capitalize() + elif prompt is False: + prompt_text = None + else: + prompt_text = prompt + + self.prompt = prompt_text + self.confirmation_prompt = confirmation_prompt + self.prompt_required = prompt_required + self.hide_input = hide_input + self.hidden = hidden + + # If prompt is enabled but not required, then the option can be + # used as a flag to indicate using prompt or flag_value. + self._flag_needs_value = self.prompt is not None and not self.prompt_required + + if is_flag is None: + if flag_value is not None: + # Implicitly a flag because flag_value was set. + is_flag = True + elif self._flag_needs_value: + # Not a flag, but when used as a flag it shows a prompt. + is_flag = False + else: + # Implicitly a flag because flag options were given. + is_flag = bool(self.secondary_opts) + elif is_flag is False and not self._flag_needs_value: + # Not a flag, and prompt is not enabled, can be used as a + # flag if flag_value is set. + self._flag_needs_value = flag_value is not None + + self.default: t.Union[t.Any, t.Callable[[], t.Any]] + + if is_flag and default_is_missing and not self.required: + if multiple: + self.default = () + else: + self.default = False + + if flag_value is None: + flag_value = not self.default + + self.type: types.ParamType + if is_flag and type is None: + # Re-guess the type from the flag value instead of the + # default. + self.type = types.convert_type(None, flag_value) + + self.is_flag: bool = is_flag + self.is_bool_flag: bool = is_flag and isinstance(self.type, types.BoolParamType) + self.flag_value: t.Any = flag_value + + # Counting + self.count = count + if count: + if type is None: + self.type = types.IntRange(min=0) + if default_is_missing: + self.default = 0 + + self.allow_from_autoenv = allow_from_autoenv + self.help = help + self.show_default = show_default + self.show_choices = show_choices + self.show_envvar = show_envvar + + if __debug__: + if self.nargs == -1: + raise TypeError("nargs=-1 is not supported for options.") + + if self.prompt and self.is_flag and not self.is_bool_flag: + raise TypeError("'prompt' is not valid for non-boolean flag.") + + if not self.is_bool_flag and self.secondary_opts: + raise TypeError("Secondary flag is not valid for non-boolean flag.") + + if self.is_bool_flag and self.hide_input and self.prompt is not None: + raise TypeError( + "'prompt' with 'hide_input' is not valid for boolean flag." + ) + + if self.count: + if self.multiple: + raise TypeError("'count' is not valid with 'multiple'.") + + if self.is_flag: + raise TypeError("'count' is not valid with 'is_flag'.") + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update( + help=self.help, + prompt=self.prompt, + is_flag=self.is_flag, + flag_value=self.flag_value, + count=self.count, + hidden=self.hidden, + ) + return info_dict + + def _parse_decls( + self, decls: t.Sequence[str], expose_value: bool + ) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]: + opts = [] + secondary_opts = [] + name = None + possible_names = [] + + for decl in decls: + if decl.isidentifier(): + if name is not None: + raise TypeError(f"Name '{name}' defined twice") + name = decl + else: + split_char = ";" if decl[:1] == "/" else "/" + if split_char in decl: + first, second = decl.split(split_char, 1) + first = first.rstrip() + if first: + possible_names.append(split_opt(first)) + opts.append(first) + second = second.lstrip() + if second: + secondary_opts.append(second.lstrip()) + if first == second: + raise ValueError( + f"Boolean option {decl!r} cannot use the" + " same flag for true/false." + ) + else: + possible_names.append(split_opt(decl)) + opts.append(decl) + + if name is None and possible_names: + possible_names.sort(key=lambda x: -len(x[0])) # group long options first + name = possible_names[0][1].replace("-", "_").lower() + if not name.isidentifier(): + name = None + + if name is None: + if not expose_value: + return None, opts, secondary_opts + raise TypeError("Could not determine name for option") + + if not opts and not secondary_opts: + raise TypeError( + f"No options defined but a name was passed ({name})." + " Did you mean to declare an argument instead? Did" + f" you mean to pass '--{name}'?" + ) + + return name, opts, secondary_opts + + def add_to_parser(self, parser: OptionParser, ctx: Context) -> None: + if self.multiple: + action = "append" + elif self.count: + action = "count" + else: + action = "store" + + if self.is_flag: + action = f"{action}_const" + + if self.is_bool_flag and self.secondary_opts: + parser.add_option( + obj=self, opts=self.opts, dest=self.name, action=action, const=True + ) + parser.add_option( + obj=self, + opts=self.secondary_opts, + dest=self.name, + action=action, + const=False, + ) + else: + parser.add_option( + obj=self, + opts=self.opts, + dest=self.name, + action=action, + const=self.flag_value, + ) + else: + parser.add_option( + obj=self, + opts=self.opts, + dest=self.name, + action=action, + nargs=self.nargs, + ) + + def get_help_record(self, ctx: Context) -> t.Optional[t.Tuple[str, str]]: + if self.hidden: + return None + + any_prefix_is_slash = False + + def _write_opts(opts: t.Sequence[str]) -> str: + nonlocal any_prefix_is_slash + + rv, any_slashes = join_options(opts) + + if any_slashes: + any_prefix_is_slash = True + + if not self.is_flag and not self.count: + rv += f" {self.make_metavar()}" + + return rv + + rv = [_write_opts(self.opts)] + + if self.secondary_opts: + rv.append(_write_opts(self.secondary_opts)) + + help = self.help or "" + extra = [] + + if self.show_envvar: + envvar = self.envvar + + if envvar is None: + if ( + self.allow_from_autoenv + and ctx.auto_envvar_prefix is not None + and self.name is not None + ): + envvar = f"{ctx.auto_envvar_prefix}_{self.name.upper()}" + + if envvar is not None: + var_str = ( + envvar + if isinstance(envvar, str) + else ", ".join(str(d) for d in envvar) + ) + extra.append(_("env var: {var}").format(var=var_str)) + + # Temporarily enable resilient parsing to avoid type casting + # failing for the default. Might be possible to extend this to + # help formatting in general. + resilient = ctx.resilient_parsing + ctx.resilient_parsing = True + + try: + default_value = self.get_default(ctx, call=False) + finally: + ctx.resilient_parsing = resilient + + show_default = False + show_default_is_str = False + + if self.show_default is not None: + if isinstance(self.show_default, str): + show_default_is_str = show_default = True + else: + show_default = self.show_default + elif ctx.show_default is not None: + show_default = ctx.show_default + + if show_default_is_str or (show_default and (default_value is not None)): + if show_default_is_str: + default_string = f"({self.show_default})" + elif isinstance(default_value, (list, tuple)): + default_string = ", ".join(str(d) for d in default_value) + elif inspect.isfunction(default_value): + default_string = _("(dynamic)") + elif self.is_bool_flag and self.secondary_opts: + # For boolean flags that have distinct True/False opts, + # use the opt without prefix instead of the value. + default_string = split_opt( + (self.opts if self.default else self.secondary_opts)[0] + )[1] + elif self.is_bool_flag and not self.secondary_opts and not default_value: + default_string = "" + else: + default_string = str(default_value) + + if default_string: + extra.append(_("default: {default}").format(default=default_string)) + + if ( + isinstance(self.type, types._NumberRangeBase) + # skip count with default range type + and not (self.count and self.type.min == 0 and self.type.max is None) + ): + range_str = self.type._describe_range() + + if range_str: + extra.append(range_str) + + if self.required: + extra.append(_("required")) + + if extra: + extra_str = "; ".join(extra) + help = f"{help} [{extra_str}]" if help else f"[{extra_str}]" + + return ("; " if any_prefix_is_slash else " / ").join(rv), help + + @t.overload + def get_default( + self, ctx: Context, call: "te.Literal[True]" = True + ) -> t.Optional[t.Any]: + ... + + @t.overload + def get_default( + self, ctx: Context, call: bool = ... + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + ... + + def get_default( + self, ctx: Context, call: bool = True + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + # If we're a non boolean flag our default is more complex because + # we need to look at all flags in the same group to figure out + # if we're the default one in which case we return the flag + # value as default. + if self.is_flag and not self.is_bool_flag: + for param in ctx.command.params: + if param.name == self.name and param.default: + return t.cast(Option, param).flag_value + + return None + + return super().get_default(ctx, call=call) + + def prompt_for_value(self, ctx: Context) -> t.Any: + """This is an alternative flow that can be activated in the full + value processing if a value does not exist. It will prompt the + user until a valid value exists and then returns the processed + value as result. + """ + assert self.prompt is not None + + # Calculate the default before prompting anything to be stable. + default = self.get_default(ctx) + + # If this is a prompt for a flag we need to handle this + # differently. + if self.is_bool_flag: + return confirm(self.prompt, default) + + return prompt( + self.prompt, + default=default, + type=self.type, + hide_input=self.hide_input, + show_choices=self.show_choices, + confirmation_prompt=self.confirmation_prompt, + value_proc=lambda x: self.process_value(ctx, x), + ) + + def resolve_envvar_value(self, ctx: Context) -> t.Optional[str]: + rv = super().resolve_envvar_value(ctx) + + if rv is not None: + return rv + + if ( + self.allow_from_autoenv + and ctx.auto_envvar_prefix is not None + and self.name is not None + ): + envvar = f"{ctx.auto_envvar_prefix}_{self.name.upper()}" + rv = os.environ.get(envvar) + + if rv: + return rv + + return None + + def value_from_envvar(self, ctx: Context) -> t.Optional[t.Any]: + rv: t.Optional[t.Any] = self.resolve_envvar_value(ctx) + + if rv is None: + return None + + value_depth = (self.nargs != 1) + bool(self.multiple) + + if value_depth > 0: + rv = self.type.split_envvar_value(rv) + + if self.multiple and self.nargs != 1: + rv = batch(rv, self.nargs) + + return rv + + def consume_value( + self, ctx: Context, opts: t.Mapping[str, "Parameter"] + ) -> t.Tuple[t.Any, ParameterSource]: + value, source = super().consume_value(ctx, opts) + + # The parser will emit a sentinel value if the option can be + # given as a flag without a value. This is different from None + # to distinguish from the flag not being given at all. + if value is _flag_needs_value: + if self.prompt is not None and not ctx.resilient_parsing: + value = self.prompt_for_value(ctx) + source = ParameterSource.PROMPT + else: + value = self.flag_value + source = ParameterSource.COMMANDLINE + + elif ( + self.multiple + and value is not None + and any(v is _flag_needs_value for v in value) + ): + value = [self.flag_value if v is _flag_needs_value else v for v in value] + source = ParameterSource.COMMANDLINE + + # The value wasn't set, or used the param's default, prompt if + # prompting is enabled. + elif ( + source in {None, ParameterSource.DEFAULT} + and self.prompt is not None + and (self.required or self.prompt_required) + and not ctx.resilient_parsing + ): + value = self.prompt_for_value(ctx) + source = ParameterSource.PROMPT + + return value, source + + +class Argument(Parameter): + """Arguments are positional parameters to a command. They generally + provide fewer features than options but can have infinite ``nargs`` + and are required by default. + + All parameters are passed onwards to the constructor of :class:`Parameter`. + """ + + param_type_name = "argument" + + def __init__( + self, + param_decls: t.Sequence[str], + required: t.Optional[bool] = None, + **attrs: t.Any, + ) -> None: + if required is None: + if attrs.get("default") is not None: + required = False + else: + required = attrs.get("nargs", 1) > 0 + + if "multiple" in attrs: + raise TypeError("__init__() got an unexpected keyword argument 'multiple'.") + + super().__init__(param_decls, required=required, **attrs) + + if __debug__: + if self.default is not None and self.nargs == -1: + raise TypeError("'default' is not supported for nargs=-1.") + + @property + def human_readable_name(self) -> str: + if self.metavar is not None: + return self.metavar + return self.name.upper() # type: ignore + + def make_metavar(self) -> str: + if self.metavar is not None: + return self.metavar + var = self.type.get_metavar(self) + if not var: + var = self.name.upper() # type: ignore + if not self.required: + var = f"[{var}]" + if self.nargs != 1: + var += "..." + return var + + def _parse_decls( + self, decls: t.Sequence[str], expose_value: bool + ) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]: + if not decls: + if not expose_value: + return None, [], [] + raise TypeError("Could not determine name for argument") + if len(decls) == 1: + name = arg = decls[0] + name = name.replace("-", "_").lower() + else: + raise TypeError( + "Arguments take exactly one parameter declaration, got" + f" {len(decls)}." + ) + return name, [arg], [] + + def get_usage_pieces(self, ctx: Context) -> t.List[str]: + return [self.make_metavar()] + + def get_error_hint(self, ctx: Context) -> str: + return f"'{self.make_metavar()}'" + + def add_to_parser(self, parser: OptionParser, ctx: Context) -> None: + parser.add_argument(dest=self.name, nargs=self.nargs, obj=self) diff --git a/venv/lib/python3.12/site-packages/click/decorators.py b/venv/lib/python3.12/site-packages/click/decorators.py new file mode 100644 index 0000000..d9bba95 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/decorators.py @@ -0,0 +1,561 @@ +import inspect +import types +import typing as t +from functools import update_wrapper +from gettext import gettext as _ + +from .core import Argument +from .core import Command +from .core import Context +from .core import Group +from .core import Option +from .core import Parameter +from .globals import get_current_context +from .utils import echo + +if t.TYPE_CHECKING: + import typing_extensions as te + + P = te.ParamSpec("P") + +R = t.TypeVar("R") +T = t.TypeVar("T") +_AnyCallable = t.Callable[..., t.Any] +FC = t.TypeVar("FC", bound=t.Union[_AnyCallable, Command]) + + +def pass_context(f: "t.Callable[te.Concatenate[Context, P], R]") -> "t.Callable[P, R]": + """Marks a callback as wanting to receive the current context + object as first argument. + """ + + def new_func(*args: "P.args", **kwargs: "P.kwargs") -> "R": + return f(get_current_context(), *args, **kwargs) + + return update_wrapper(new_func, f) + + +def pass_obj(f: "t.Callable[te.Concatenate[t.Any, P], R]") -> "t.Callable[P, R]": + """Similar to :func:`pass_context`, but only pass the object on the + context onwards (:attr:`Context.obj`). This is useful if that object + represents the state of a nested system. + """ + + def new_func(*args: "P.args", **kwargs: "P.kwargs") -> "R": + return f(get_current_context().obj, *args, **kwargs) + + return update_wrapper(new_func, f) + + +def make_pass_decorator( + object_type: t.Type[T], ensure: bool = False +) -> t.Callable[["t.Callable[te.Concatenate[T, P], R]"], "t.Callable[P, R]"]: + """Given an object type this creates a decorator that will work + similar to :func:`pass_obj` but instead of passing the object of the + current context, it will find the innermost context of type + :func:`object_type`. + + This generates a decorator that works roughly like this:: + + from functools import update_wrapper + + def decorator(f): + @pass_context + def new_func(ctx, *args, **kwargs): + obj = ctx.find_object(object_type) + return ctx.invoke(f, obj, *args, **kwargs) + return update_wrapper(new_func, f) + return decorator + + :param object_type: the type of the object to pass. + :param ensure: if set to `True`, a new object will be created and + remembered on the context if it's not there yet. + """ + + def decorator(f: "t.Callable[te.Concatenate[T, P], R]") -> "t.Callable[P, R]": + def new_func(*args: "P.args", **kwargs: "P.kwargs") -> "R": + ctx = get_current_context() + + obj: t.Optional[T] + if ensure: + obj = ctx.ensure_object(object_type) + else: + obj = ctx.find_object(object_type) + + if obj is None: + raise RuntimeError( + "Managed to invoke callback without a context" + f" object of type {object_type.__name__!r}" + " existing." + ) + + return ctx.invoke(f, obj, *args, **kwargs) + + return update_wrapper(new_func, f) + + return decorator # type: ignore[return-value] + + +def pass_meta_key( + key: str, *, doc_description: t.Optional[str] = None +) -> "t.Callable[[t.Callable[te.Concatenate[t.Any, P], R]], t.Callable[P, R]]": + """Create a decorator that passes a key from + :attr:`click.Context.meta` as the first argument to the decorated + function. + + :param key: Key in ``Context.meta`` to pass. + :param doc_description: Description of the object being passed, + inserted into the decorator's docstring. Defaults to "the 'key' + key from Context.meta". + + .. versionadded:: 8.0 + """ + + def decorator(f: "t.Callable[te.Concatenate[t.Any, P], R]") -> "t.Callable[P, R]": + def new_func(*args: "P.args", **kwargs: "P.kwargs") -> R: + ctx = get_current_context() + obj = ctx.meta[key] + return ctx.invoke(f, obj, *args, **kwargs) + + return update_wrapper(new_func, f) + + if doc_description is None: + doc_description = f"the {key!r} key from :attr:`click.Context.meta`" + + decorator.__doc__ = ( + f"Decorator that passes {doc_description} as the first argument" + " to the decorated function." + ) + return decorator # type: ignore[return-value] + + +CmdType = t.TypeVar("CmdType", bound=Command) + + +# variant: no call, directly as decorator for a function. +@t.overload +def command(name: _AnyCallable) -> Command: + ... + + +# variant: with positional name and with positional or keyword cls argument: +# @command(namearg, CommandCls, ...) or @command(namearg, cls=CommandCls, ...) +@t.overload +def command( + name: t.Optional[str], + cls: t.Type[CmdType], + **attrs: t.Any, +) -> t.Callable[[_AnyCallable], CmdType]: + ... + + +# variant: name omitted, cls _must_ be a keyword argument, @command(cls=CommandCls, ...) +@t.overload +def command( + name: None = None, + *, + cls: t.Type[CmdType], + **attrs: t.Any, +) -> t.Callable[[_AnyCallable], CmdType]: + ... + + +# variant: with optional string name, no cls argument provided. +@t.overload +def command( + name: t.Optional[str] = ..., cls: None = None, **attrs: t.Any +) -> t.Callable[[_AnyCallable], Command]: + ... + + +def command( + name: t.Union[t.Optional[str], _AnyCallable] = None, + cls: t.Optional[t.Type[CmdType]] = None, + **attrs: t.Any, +) -> t.Union[Command, t.Callable[[_AnyCallable], t.Union[Command, CmdType]]]: + r"""Creates a new :class:`Command` and uses the decorated function as + callback. This will also automatically attach all decorated + :func:`option`\s and :func:`argument`\s as parameters to the command. + + The name of the command defaults to the name of the function with + underscores replaced by dashes. If you want to change that, you can + pass the intended name as the first argument. + + All keyword arguments are forwarded to the underlying command class. + For the ``params`` argument, any decorated params are appended to + the end of the list. + + Once decorated the function turns into a :class:`Command` instance + that can be invoked as a command line utility or be attached to a + command :class:`Group`. + + :param name: the name of the command. This defaults to the function + name with underscores replaced by dashes. + :param cls: the command class to instantiate. This defaults to + :class:`Command`. + + .. versionchanged:: 8.1 + This decorator can be applied without parentheses. + + .. versionchanged:: 8.1 + The ``params`` argument can be used. Decorated params are + appended to the end of the list. + """ + + func: t.Optional[t.Callable[[_AnyCallable], t.Any]] = None + + if callable(name): + func = name + name = None + assert cls is None, "Use 'command(cls=cls)(callable)' to specify a class." + assert not attrs, "Use 'command(**kwargs)(callable)' to provide arguments." + + if cls is None: + cls = t.cast(t.Type[CmdType], Command) + + def decorator(f: _AnyCallable) -> CmdType: + if isinstance(f, Command): + raise TypeError("Attempted to convert a callback into a command twice.") + + attr_params = attrs.pop("params", None) + params = attr_params if attr_params is not None else [] + + try: + decorator_params = f.__click_params__ # type: ignore + except AttributeError: + pass + else: + del f.__click_params__ # type: ignore + params.extend(reversed(decorator_params)) + + if attrs.get("help") is None: + attrs["help"] = f.__doc__ + + if t.TYPE_CHECKING: + assert cls is not None + assert not callable(name) + + cmd = cls( + name=name or f.__name__.lower().replace("_", "-"), + callback=f, + params=params, + **attrs, + ) + cmd.__doc__ = f.__doc__ + return cmd + + if func is not None: + return decorator(func) + + return decorator + + +GrpType = t.TypeVar("GrpType", bound=Group) + + +# variant: no call, directly as decorator for a function. +@t.overload +def group(name: _AnyCallable) -> Group: + ... + + +# variant: with positional name and with positional or keyword cls argument: +# @group(namearg, GroupCls, ...) or @group(namearg, cls=GroupCls, ...) +@t.overload +def group( + name: t.Optional[str], + cls: t.Type[GrpType], + **attrs: t.Any, +) -> t.Callable[[_AnyCallable], GrpType]: + ... + + +# variant: name omitted, cls _must_ be a keyword argument, @group(cmd=GroupCls, ...) +@t.overload +def group( + name: None = None, + *, + cls: t.Type[GrpType], + **attrs: t.Any, +) -> t.Callable[[_AnyCallable], GrpType]: + ... + + +# variant: with optional string name, no cls argument provided. +@t.overload +def group( + name: t.Optional[str] = ..., cls: None = None, **attrs: t.Any +) -> t.Callable[[_AnyCallable], Group]: + ... + + +def group( + name: t.Union[str, _AnyCallable, None] = None, + cls: t.Optional[t.Type[GrpType]] = None, + **attrs: t.Any, +) -> t.Union[Group, t.Callable[[_AnyCallable], t.Union[Group, GrpType]]]: + """Creates a new :class:`Group` with a function as callback. This + works otherwise the same as :func:`command` just that the `cls` + parameter is set to :class:`Group`. + + .. versionchanged:: 8.1 + This decorator can be applied without parentheses. + """ + if cls is None: + cls = t.cast(t.Type[GrpType], Group) + + if callable(name): + return command(cls=cls, **attrs)(name) + + return command(name, cls, **attrs) + + +def _param_memo(f: t.Callable[..., t.Any], param: Parameter) -> None: + if isinstance(f, Command): + f.params.append(param) + else: + if not hasattr(f, "__click_params__"): + f.__click_params__ = [] # type: ignore + + f.__click_params__.append(param) # type: ignore + + +def argument( + *param_decls: str, cls: t.Optional[t.Type[Argument]] = None, **attrs: t.Any +) -> t.Callable[[FC], FC]: + """Attaches an argument to the command. All positional arguments are + passed as parameter declarations to :class:`Argument`; all keyword + arguments are forwarded unchanged (except ``cls``). + This is equivalent to creating an :class:`Argument` instance manually + and attaching it to the :attr:`Command.params` list. + + For the default argument class, refer to :class:`Argument` and + :class:`Parameter` for descriptions of parameters. + + :param cls: the argument class to instantiate. This defaults to + :class:`Argument`. + :param param_decls: Passed as positional arguments to the constructor of + ``cls``. + :param attrs: Passed as keyword arguments to the constructor of ``cls``. + """ + if cls is None: + cls = Argument + + def decorator(f: FC) -> FC: + _param_memo(f, cls(param_decls, **attrs)) + return f + + return decorator + + +def option( + *param_decls: str, cls: t.Optional[t.Type[Option]] = None, **attrs: t.Any +) -> t.Callable[[FC], FC]: + """Attaches an option to the command. All positional arguments are + passed as parameter declarations to :class:`Option`; all keyword + arguments are forwarded unchanged (except ``cls``). + This is equivalent to creating an :class:`Option` instance manually + and attaching it to the :attr:`Command.params` list. + + For the default option class, refer to :class:`Option` and + :class:`Parameter` for descriptions of parameters. + + :param cls: the option class to instantiate. This defaults to + :class:`Option`. + :param param_decls: Passed as positional arguments to the constructor of + ``cls``. + :param attrs: Passed as keyword arguments to the constructor of ``cls``. + """ + if cls is None: + cls = Option + + def decorator(f: FC) -> FC: + _param_memo(f, cls(param_decls, **attrs)) + return f + + return decorator + + +def confirmation_option(*param_decls: str, **kwargs: t.Any) -> t.Callable[[FC], FC]: + """Add a ``--yes`` option which shows a prompt before continuing if + not passed. If the prompt is declined, the program will exit. + + :param param_decls: One or more option names. Defaults to the single + value ``"--yes"``. + :param kwargs: Extra arguments are passed to :func:`option`. + """ + + def callback(ctx: Context, param: Parameter, value: bool) -> None: + if not value: + ctx.abort() + + if not param_decls: + param_decls = ("--yes",) + + kwargs.setdefault("is_flag", True) + kwargs.setdefault("callback", callback) + kwargs.setdefault("expose_value", False) + kwargs.setdefault("prompt", "Do you want to continue?") + kwargs.setdefault("help", "Confirm the action without prompting.") + return option(*param_decls, **kwargs) + + +def password_option(*param_decls: str, **kwargs: t.Any) -> t.Callable[[FC], FC]: + """Add a ``--password`` option which prompts for a password, hiding + input and asking to enter the value again for confirmation. + + :param param_decls: One or more option names. Defaults to the single + value ``"--password"``. + :param kwargs: Extra arguments are passed to :func:`option`. + """ + if not param_decls: + param_decls = ("--password",) + + kwargs.setdefault("prompt", True) + kwargs.setdefault("confirmation_prompt", True) + kwargs.setdefault("hide_input", True) + return option(*param_decls, **kwargs) + + +def version_option( + version: t.Optional[str] = None, + *param_decls: str, + package_name: t.Optional[str] = None, + prog_name: t.Optional[str] = None, + message: t.Optional[str] = None, + **kwargs: t.Any, +) -> t.Callable[[FC], FC]: + """Add a ``--version`` option which immediately prints the version + number and exits the program. + + If ``version`` is not provided, Click will try to detect it using + :func:`importlib.metadata.version` to get the version for the + ``package_name``. On Python < 3.8, the ``importlib_metadata`` + backport must be installed. + + If ``package_name`` is not provided, Click will try to detect it by + inspecting the stack frames. This will be used to detect the + version, so it must match the name of the installed package. + + :param version: The version number to show. If not provided, Click + will try to detect it. + :param param_decls: One or more option names. Defaults to the single + value ``"--version"``. + :param package_name: The package name to detect the version from. If + not provided, Click will try to detect it. + :param prog_name: The name of the CLI to show in the message. If not + provided, it will be detected from the command. + :param message: The message to show. The values ``%(prog)s``, + ``%(package)s``, and ``%(version)s`` are available. Defaults to + ``"%(prog)s, version %(version)s"``. + :param kwargs: Extra arguments are passed to :func:`option`. + :raise RuntimeError: ``version`` could not be detected. + + .. versionchanged:: 8.0 + Add the ``package_name`` parameter, and the ``%(package)s`` + value for messages. + + .. versionchanged:: 8.0 + Use :mod:`importlib.metadata` instead of ``pkg_resources``. The + version is detected based on the package name, not the entry + point name. The Python package name must match the installed + package name, or be passed with ``package_name=``. + """ + if message is None: + message = _("%(prog)s, version %(version)s") + + if version is None and package_name is None: + frame = inspect.currentframe() + f_back = frame.f_back if frame is not None else None + f_globals = f_back.f_globals if f_back is not None else None + # break reference cycle + # https://docs.python.org/3/library/inspect.html#the-interpreter-stack + del frame + + if f_globals is not None: + package_name = f_globals.get("__name__") + + if package_name == "__main__": + package_name = f_globals.get("__package__") + + if package_name: + package_name = package_name.partition(".")[0] + + def callback(ctx: Context, param: Parameter, value: bool) -> None: + if not value or ctx.resilient_parsing: + return + + nonlocal prog_name + nonlocal version + + if prog_name is None: + prog_name = ctx.find_root().info_name + + if version is None and package_name is not None: + metadata: t.Optional[types.ModuleType] + + try: + from importlib import metadata # type: ignore + except ImportError: + # Python < 3.8 + import importlib_metadata as metadata # type: ignore + + try: + version = metadata.version(package_name) # type: ignore + except metadata.PackageNotFoundError: # type: ignore + raise RuntimeError( + f"{package_name!r} is not installed. Try passing" + " 'package_name' instead." + ) from None + + if version is None: + raise RuntimeError( + f"Could not determine the version for {package_name!r} automatically." + ) + + echo( + message % {"prog": prog_name, "package": package_name, "version": version}, + color=ctx.color, + ) + ctx.exit() + + if not param_decls: + param_decls = ("--version",) + + kwargs.setdefault("is_flag", True) + kwargs.setdefault("expose_value", False) + kwargs.setdefault("is_eager", True) + kwargs.setdefault("help", _("Show the version and exit.")) + kwargs["callback"] = callback + return option(*param_decls, **kwargs) + + +def help_option(*param_decls: str, **kwargs: t.Any) -> t.Callable[[FC], FC]: + """Add a ``--help`` option which immediately prints the help page + and exits the program. + + This is usually unnecessary, as the ``--help`` option is added to + each command automatically unless ``add_help_option=False`` is + passed. + + :param param_decls: One or more option names. Defaults to the single + value ``"--help"``. + :param kwargs: Extra arguments are passed to :func:`option`. + """ + + def callback(ctx: Context, param: Parameter, value: bool) -> None: + if not value or ctx.resilient_parsing: + return + + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + if not param_decls: + param_decls = ("--help",) + + kwargs.setdefault("is_flag", True) + kwargs.setdefault("expose_value", False) + kwargs.setdefault("is_eager", True) + kwargs.setdefault("help", _("Show this message and exit.")) + kwargs["callback"] = callback + return option(*param_decls, **kwargs) diff --git a/venv/lib/python3.12/site-packages/click/exceptions.py b/venv/lib/python3.12/site-packages/click/exceptions.py new file mode 100644 index 0000000..fe68a36 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/exceptions.py @@ -0,0 +1,288 @@ +import typing as t +from gettext import gettext as _ +from gettext import ngettext + +from ._compat import get_text_stderr +from .utils import echo +from .utils import format_filename + +if t.TYPE_CHECKING: + from .core import Command + from .core import Context + from .core import Parameter + + +def _join_param_hints( + param_hint: t.Optional[t.Union[t.Sequence[str], str]] +) -> t.Optional[str]: + if param_hint is not None and not isinstance(param_hint, str): + return " / ".join(repr(x) for x in param_hint) + + return param_hint + + +class ClickException(Exception): + """An exception that Click can handle and show to the user.""" + + #: The exit code for this exception. + exit_code = 1 + + def __init__(self, message: str) -> None: + super().__init__(message) + self.message = message + + def format_message(self) -> str: + return self.message + + def __str__(self) -> str: + return self.message + + def show(self, file: t.Optional[t.IO[t.Any]] = None) -> None: + if file is None: + file = get_text_stderr() + + echo(_("Error: {message}").format(message=self.format_message()), file=file) + + +class UsageError(ClickException): + """An internal exception that signals a usage error. This typically + aborts any further handling. + + :param message: the error message to display. + :param ctx: optionally the context that caused this error. Click will + fill in the context automatically in some situations. + """ + + exit_code = 2 + + def __init__(self, message: str, ctx: t.Optional["Context"] = None) -> None: + super().__init__(message) + self.ctx = ctx + self.cmd: t.Optional["Command"] = self.ctx.command if self.ctx else None + + def show(self, file: t.Optional[t.IO[t.Any]] = None) -> None: + if file is None: + file = get_text_stderr() + color = None + hint = "" + if ( + self.ctx is not None + and self.ctx.command.get_help_option(self.ctx) is not None + ): + hint = _("Try '{command} {option}' for help.").format( + command=self.ctx.command_path, option=self.ctx.help_option_names[0] + ) + hint = f"{hint}\n" + if self.ctx is not None: + color = self.ctx.color + echo(f"{self.ctx.get_usage()}\n{hint}", file=file, color=color) + echo( + _("Error: {message}").format(message=self.format_message()), + file=file, + color=color, + ) + + +class BadParameter(UsageError): + """An exception that formats out a standardized error message for a + bad parameter. This is useful when thrown from a callback or type as + Click will attach contextual information to it (for instance, which + parameter it is). + + .. versionadded:: 2.0 + + :param param: the parameter object that caused this error. This can + be left out, and Click will attach this info itself + if possible. + :param param_hint: a string that shows up as parameter name. This + can be used as alternative to `param` in cases + where custom validation should happen. If it is + a string it's used as such, if it's a list then + each item is quoted and separated. + """ + + def __init__( + self, + message: str, + ctx: t.Optional["Context"] = None, + param: t.Optional["Parameter"] = None, + param_hint: t.Optional[str] = None, + ) -> None: + super().__init__(message, ctx) + self.param = param + self.param_hint = param_hint + + def format_message(self) -> str: + if self.param_hint is not None: + param_hint = self.param_hint + elif self.param is not None: + param_hint = self.param.get_error_hint(self.ctx) # type: ignore + else: + return _("Invalid value: {message}").format(message=self.message) + + return _("Invalid value for {param_hint}: {message}").format( + param_hint=_join_param_hints(param_hint), message=self.message + ) + + +class MissingParameter(BadParameter): + """Raised if click required an option or argument but it was not + provided when invoking the script. + + .. versionadded:: 4.0 + + :param param_type: a string that indicates the type of the parameter. + The default is to inherit the parameter type from + the given `param`. Valid values are ``'parameter'``, + ``'option'`` or ``'argument'``. + """ + + def __init__( + self, + message: t.Optional[str] = None, + ctx: t.Optional["Context"] = None, + param: t.Optional["Parameter"] = None, + param_hint: t.Optional[str] = None, + param_type: t.Optional[str] = None, + ) -> None: + super().__init__(message or "", ctx, param, param_hint) + self.param_type = param_type + + def format_message(self) -> str: + if self.param_hint is not None: + param_hint: t.Optional[str] = self.param_hint + elif self.param is not None: + param_hint = self.param.get_error_hint(self.ctx) # type: ignore + else: + param_hint = None + + param_hint = _join_param_hints(param_hint) + param_hint = f" {param_hint}" if param_hint else "" + + param_type = self.param_type + if param_type is None and self.param is not None: + param_type = self.param.param_type_name + + msg = self.message + if self.param is not None: + msg_extra = self.param.type.get_missing_message(self.param) + if msg_extra: + if msg: + msg += f". {msg_extra}" + else: + msg = msg_extra + + msg = f" {msg}" if msg else "" + + # Translate param_type for known types. + if param_type == "argument": + missing = _("Missing argument") + elif param_type == "option": + missing = _("Missing option") + elif param_type == "parameter": + missing = _("Missing parameter") + else: + missing = _("Missing {param_type}").format(param_type=param_type) + + return f"{missing}{param_hint}.{msg}" + + def __str__(self) -> str: + if not self.message: + param_name = self.param.name if self.param else None + return _("Missing parameter: {param_name}").format(param_name=param_name) + else: + return self.message + + +class NoSuchOption(UsageError): + """Raised if click attempted to handle an option that does not + exist. + + .. versionadded:: 4.0 + """ + + def __init__( + self, + option_name: str, + message: t.Optional[str] = None, + possibilities: t.Optional[t.Sequence[str]] = None, + ctx: t.Optional["Context"] = None, + ) -> None: + if message is None: + message = _("No such option: {name}").format(name=option_name) + + super().__init__(message, ctx) + self.option_name = option_name + self.possibilities = possibilities + + def format_message(self) -> str: + if not self.possibilities: + return self.message + + possibility_str = ", ".join(sorted(self.possibilities)) + suggest = ngettext( + "Did you mean {possibility}?", + "(Possible options: {possibilities})", + len(self.possibilities), + ).format(possibility=possibility_str, possibilities=possibility_str) + return f"{self.message} {suggest}" + + +class BadOptionUsage(UsageError): + """Raised if an option is generally supplied but the use of the option + was incorrect. This is for instance raised if the number of arguments + for an option is not correct. + + .. versionadded:: 4.0 + + :param option_name: the name of the option being used incorrectly. + """ + + def __init__( + self, option_name: str, message: str, ctx: t.Optional["Context"] = None + ) -> None: + super().__init__(message, ctx) + self.option_name = option_name + + +class BadArgumentUsage(UsageError): + """Raised if an argument is generally supplied but the use of the argument + was incorrect. This is for instance raised if the number of values + for an argument is not correct. + + .. versionadded:: 6.0 + """ + + +class FileError(ClickException): + """Raised if a file cannot be opened.""" + + def __init__(self, filename: str, hint: t.Optional[str] = None) -> None: + if hint is None: + hint = _("unknown error") + + super().__init__(hint) + self.ui_filename: str = format_filename(filename) + self.filename = filename + + def format_message(self) -> str: + return _("Could not open file {filename!r}: {message}").format( + filename=self.ui_filename, message=self.message + ) + + +class Abort(RuntimeError): + """An internal signalling exception that signals Click to abort.""" + + +class Exit(RuntimeError): + """An exception that indicates that the application should exit with some + status code. + + :param code: the status code to exit with. + """ + + __slots__ = ("exit_code",) + + def __init__(self, code: int = 0) -> None: + self.exit_code: int = code diff --git a/venv/lib/python3.12/site-packages/click/formatting.py b/venv/lib/python3.12/site-packages/click/formatting.py new file mode 100644 index 0000000..ddd2a2f --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/formatting.py @@ -0,0 +1,301 @@ +import typing as t +from contextlib import contextmanager +from gettext import gettext as _ + +from ._compat import term_len +from .parser import split_opt + +# Can force a width. This is used by the test system +FORCED_WIDTH: t.Optional[int] = None + + +def measure_table(rows: t.Iterable[t.Tuple[str, str]]) -> t.Tuple[int, ...]: + widths: t.Dict[int, int] = {} + + for row in rows: + for idx, col in enumerate(row): + widths[idx] = max(widths.get(idx, 0), term_len(col)) + + return tuple(y for x, y in sorted(widths.items())) + + +def iter_rows( + rows: t.Iterable[t.Tuple[str, str]], col_count: int +) -> t.Iterator[t.Tuple[str, ...]]: + for row in rows: + yield row + ("",) * (col_count - len(row)) + + +def wrap_text( + text: str, + width: int = 78, + initial_indent: str = "", + subsequent_indent: str = "", + preserve_paragraphs: bool = False, +) -> str: + """A helper function that intelligently wraps text. By default, it + assumes that it operates on a single paragraph of text but if the + `preserve_paragraphs` parameter is provided it will intelligently + handle paragraphs (defined by two empty lines). + + If paragraphs are handled, a paragraph can be prefixed with an empty + line containing the ``\\b`` character (``\\x08``) to indicate that + no rewrapping should happen in that block. + + :param text: the text that should be rewrapped. + :param width: the maximum width for the text. + :param initial_indent: the initial indent that should be placed on the + first line as a string. + :param subsequent_indent: the indent string that should be placed on + each consecutive line. + :param preserve_paragraphs: if this flag is set then the wrapping will + intelligently handle paragraphs. + """ + from ._textwrap import TextWrapper + + text = text.expandtabs() + wrapper = TextWrapper( + width, + initial_indent=initial_indent, + subsequent_indent=subsequent_indent, + replace_whitespace=False, + ) + if not preserve_paragraphs: + return wrapper.fill(text) + + p: t.List[t.Tuple[int, bool, str]] = [] + buf: t.List[str] = [] + indent = None + + def _flush_par() -> None: + if not buf: + return + if buf[0].strip() == "\b": + p.append((indent or 0, True, "\n".join(buf[1:]))) + else: + p.append((indent or 0, False, " ".join(buf))) + del buf[:] + + for line in text.splitlines(): + if not line: + _flush_par() + indent = None + else: + if indent is None: + orig_len = term_len(line) + line = line.lstrip() + indent = orig_len - term_len(line) + buf.append(line) + _flush_par() + + rv = [] + for indent, raw, text in p: + with wrapper.extra_indent(" " * indent): + if raw: + rv.append(wrapper.indent_only(text)) + else: + rv.append(wrapper.fill(text)) + + return "\n\n".join(rv) + + +class HelpFormatter: + """This class helps with formatting text-based help pages. It's + usually just needed for very special internal cases, but it's also + exposed so that developers can write their own fancy outputs. + + At present, it always writes into memory. + + :param indent_increment: the additional increment for each level. + :param width: the width for the text. This defaults to the terminal + width clamped to a maximum of 78. + """ + + def __init__( + self, + indent_increment: int = 2, + width: t.Optional[int] = None, + max_width: t.Optional[int] = None, + ) -> None: + import shutil + + self.indent_increment = indent_increment + if max_width is None: + max_width = 80 + if width is None: + width = FORCED_WIDTH + if width is None: + width = max(min(shutil.get_terminal_size().columns, max_width) - 2, 50) + self.width = width + self.current_indent = 0 + self.buffer: t.List[str] = [] + + def write(self, string: str) -> None: + """Writes a unicode string into the internal buffer.""" + self.buffer.append(string) + + def indent(self) -> None: + """Increases the indentation.""" + self.current_indent += self.indent_increment + + def dedent(self) -> None: + """Decreases the indentation.""" + self.current_indent -= self.indent_increment + + def write_usage( + self, prog: str, args: str = "", prefix: t.Optional[str] = None + ) -> None: + """Writes a usage line into the buffer. + + :param prog: the program name. + :param args: whitespace separated list of arguments. + :param prefix: The prefix for the first line. Defaults to + ``"Usage: "``. + """ + if prefix is None: + prefix = f"{_('Usage:')} " + + usage_prefix = f"{prefix:>{self.current_indent}}{prog} " + text_width = self.width - self.current_indent + + if text_width >= (term_len(usage_prefix) + 20): + # The arguments will fit to the right of the prefix. + indent = " " * term_len(usage_prefix) + self.write( + wrap_text( + args, + text_width, + initial_indent=usage_prefix, + subsequent_indent=indent, + ) + ) + else: + # The prefix is too long, put the arguments on the next line. + self.write(usage_prefix) + self.write("\n") + indent = " " * (max(self.current_indent, term_len(prefix)) + 4) + self.write( + wrap_text( + args, text_width, initial_indent=indent, subsequent_indent=indent + ) + ) + + self.write("\n") + + def write_heading(self, heading: str) -> None: + """Writes a heading into the buffer.""" + self.write(f"{'':>{self.current_indent}}{heading}:\n") + + def write_paragraph(self) -> None: + """Writes a paragraph into the buffer.""" + if self.buffer: + self.write("\n") + + def write_text(self, text: str) -> None: + """Writes re-indented text into the buffer. This rewraps and + preserves paragraphs. + """ + indent = " " * self.current_indent + self.write( + wrap_text( + text, + self.width, + initial_indent=indent, + subsequent_indent=indent, + preserve_paragraphs=True, + ) + ) + self.write("\n") + + def write_dl( + self, + rows: t.Sequence[t.Tuple[str, str]], + col_max: int = 30, + col_spacing: int = 2, + ) -> None: + """Writes a definition list into the buffer. This is how options + and commands are usually formatted. + + :param rows: a list of two item tuples for the terms and values. + :param col_max: the maximum width of the first column. + :param col_spacing: the number of spaces between the first and + second column. + """ + rows = list(rows) + widths = measure_table(rows) + if len(widths) != 2: + raise TypeError("Expected two columns for definition list") + + first_col = min(widths[0], col_max) + col_spacing + + for first, second in iter_rows(rows, len(widths)): + self.write(f"{'':>{self.current_indent}}{first}") + if not second: + self.write("\n") + continue + if term_len(first) <= first_col - col_spacing: + self.write(" " * (first_col - term_len(first))) + else: + self.write("\n") + self.write(" " * (first_col + self.current_indent)) + + text_width = max(self.width - first_col - 2, 10) + wrapped_text = wrap_text(second, text_width, preserve_paragraphs=True) + lines = wrapped_text.splitlines() + + if lines: + self.write(f"{lines[0]}\n") + + for line in lines[1:]: + self.write(f"{'':>{first_col + self.current_indent}}{line}\n") + else: + self.write("\n") + + @contextmanager + def section(self, name: str) -> t.Iterator[None]: + """Helpful context manager that writes a paragraph, a heading, + and the indents. + + :param name: the section name that is written as heading. + """ + self.write_paragraph() + self.write_heading(name) + self.indent() + try: + yield + finally: + self.dedent() + + @contextmanager + def indentation(self) -> t.Iterator[None]: + """A context manager that increases the indentation.""" + self.indent() + try: + yield + finally: + self.dedent() + + def getvalue(self) -> str: + """Returns the buffer contents.""" + return "".join(self.buffer) + + +def join_options(options: t.Sequence[str]) -> t.Tuple[str, bool]: + """Given a list of option strings this joins them in the most appropriate + way and returns them in the form ``(formatted_string, + any_prefix_is_slash)`` where the second item in the tuple is a flag that + indicates if any of the option prefixes was a slash. + """ + rv = [] + any_prefix_is_slash = False + + for opt in options: + prefix = split_opt(opt)[0] + + if prefix == "/": + any_prefix_is_slash = True + + rv.append((len(prefix), opt)) + + rv.sort(key=lambda x: x[0]) + return ", ".join(x[1] for x in rv), any_prefix_is_slash diff --git a/venv/lib/python3.12/site-packages/click/globals.py b/venv/lib/python3.12/site-packages/click/globals.py new file mode 100644 index 0000000..480058f --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/globals.py @@ -0,0 +1,68 @@ +import typing as t +from threading import local + +if t.TYPE_CHECKING: + import typing_extensions as te + from .core import Context + +_local = local() + + +@t.overload +def get_current_context(silent: "te.Literal[False]" = False) -> "Context": + ... + + +@t.overload +def get_current_context(silent: bool = ...) -> t.Optional["Context"]: + ... + + +def get_current_context(silent: bool = False) -> t.Optional["Context"]: + """Returns the current click context. This can be used as a way to + access the current context object from anywhere. This is a more implicit + alternative to the :func:`pass_context` decorator. This function is + primarily useful for helpers such as :func:`echo` which might be + interested in changing its behavior based on the current context. + + To push the current context, :meth:`Context.scope` can be used. + + .. versionadded:: 5.0 + + :param silent: if set to `True` the return value is `None` if no context + is available. The default behavior is to raise a + :exc:`RuntimeError`. + """ + try: + return t.cast("Context", _local.stack[-1]) + except (AttributeError, IndexError) as e: + if not silent: + raise RuntimeError("There is no active click context.") from e + + return None + + +def push_context(ctx: "Context") -> None: + """Pushes a new context to the current stack.""" + _local.__dict__.setdefault("stack", []).append(ctx) + + +def pop_context() -> None: + """Removes the top level from the stack.""" + _local.stack.pop() + + +def resolve_color_default(color: t.Optional[bool] = None) -> t.Optional[bool]: + """Internal helper to get the default value of the color flag. If a + value is passed it's returned unchanged, otherwise it's looked up from + the current context. + """ + if color is not None: + return color + + ctx = get_current_context(silent=True) + + if ctx is not None: + return ctx.color + + return None diff --git a/venv/lib/python3.12/site-packages/click/parser.py b/venv/lib/python3.12/site-packages/click/parser.py new file mode 100644 index 0000000..5fa7adf --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/parser.py @@ -0,0 +1,529 @@ +""" +This module started out as largely a copy paste from the stdlib's +optparse module with the features removed that we do not need from +optparse because we implement them in Click on a higher level (for +instance type handling, help formatting and a lot more). + +The plan is to remove more and more from here over time. + +The reason this is a different module and not optparse from the stdlib +is that there are differences in 2.x and 3.x about the error messages +generated and optparse in the stdlib uses gettext for no good reason +and might cause us issues. + +Click uses parts of optparse written by Gregory P. Ward and maintained +by the Python Software Foundation. This is limited to code in parser.py. + +Copyright 2001-2006 Gregory P. Ward. All rights reserved. +Copyright 2002-2006 Python Software Foundation. All rights reserved. +""" +# This code uses parts of optparse written by Gregory P. Ward and +# maintained by the Python Software Foundation. +# Copyright 2001-2006 Gregory P. Ward +# Copyright 2002-2006 Python Software Foundation +import typing as t +from collections import deque +from gettext import gettext as _ +from gettext import ngettext + +from .exceptions import BadArgumentUsage +from .exceptions import BadOptionUsage +from .exceptions import NoSuchOption +from .exceptions import UsageError + +if t.TYPE_CHECKING: + import typing_extensions as te + from .core import Argument as CoreArgument + from .core import Context + from .core import Option as CoreOption + from .core import Parameter as CoreParameter + +V = t.TypeVar("V") + +# Sentinel value that indicates an option was passed as a flag without a +# value but is not a flag option. Option.consume_value uses this to +# prompt or use the flag_value. +_flag_needs_value = object() + + +def _unpack_args( + args: t.Sequence[str], nargs_spec: t.Sequence[int] +) -> t.Tuple[t.Sequence[t.Union[str, t.Sequence[t.Optional[str]], None]], t.List[str]]: + """Given an iterable of arguments and an iterable of nargs specifications, + it returns a tuple with all the unpacked arguments at the first index + and all remaining arguments as the second. + + The nargs specification is the number of arguments that should be consumed + or `-1` to indicate that this position should eat up all the remainders. + + Missing items are filled with `None`. + """ + args = deque(args) + nargs_spec = deque(nargs_spec) + rv: t.List[t.Union[str, t.Tuple[t.Optional[str], ...], None]] = [] + spos: t.Optional[int] = None + + def _fetch(c: "te.Deque[V]") -> t.Optional[V]: + try: + if spos is None: + return c.popleft() + else: + return c.pop() + except IndexError: + return None + + while nargs_spec: + nargs = _fetch(nargs_spec) + + if nargs is None: + continue + + if nargs == 1: + rv.append(_fetch(args)) + elif nargs > 1: + x = [_fetch(args) for _ in range(nargs)] + + # If we're reversed, we're pulling in the arguments in reverse, + # so we need to turn them around. + if spos is not None: + x.reverse() + + rv.append(tuple(x)) + elif nargs < 0: + if spos is not None: + raise TypeError("Cannot have two nargs < 0") + + spos = len(rv) + rv.append(None) + + # spos is the position of the wildcard (star). If it's not `None`, + # we fill it with the remainder. + if spos is not None: + rv[spos] = tuple(args) + args = [] + rv[spos + 1 :] = reversed(rv[spos + 1 :]) + + return tuple(rv), list(args) + + +def split_opt(opt: str) -> t.Tuple[str, str]: + first = opt[:1] + if first.isalnum(): + return "", opt + if opt[1:2] == first: + return opt[:2], opt[2:] + return first, opt[1:] + + +def normalize_opt(opt: str, ctx: t.Optional["Context"]) -> str: + if ctx is None or ctx.token_normalize_func is None: + return opt + prefix, opt = split_opt(opt) + return f"{prefix}{ctx.token_normalize_func(opt)}" + + +def split_arg_string(string: str) -> t.List[str]: + """Split an argument string as with :func:`shlex.split`, but don't + fail if the string is incomplete. Ignores a missing closing quote or + incomplete escape sequence and uses the partial token as-is. + + .. code-block:: python + + split_arg_string("example 'my file") + ["example", "my file"] + + split_arg_string("example my\\") + ["example", "my"] + + :param string: String to split. + """ + import shlex + + lex = shlex.shlex(string, posix=True) + lex.whitespace_split = True + lex.commenters = "" + out = [] + + try: + for token in lex: + out.append(token) + except ValueError: + # Raised when end-of-string is reached in an invalid state. Use + # the partial token as-is. The quote or escape character is in + # lex.state, not lex.token. + out.append(lex.token) + + return out + + +class Option: + def __init__( + self, + obj: "CoreOption", + opts: t.Sequence[str], + dest: t.Optional[str], + action: t.Optional[str] = None, + nargs: int = 1, + const: t.Optional[t.Any] = None, + ): + self._short_opts = [] + self._long_opts = [] + self.prefixes: t.Set[str] = set() + + for opt in opts: + prefix, value = split_opt(opt) + if not prefix: + raise ValueError(f"Invalid start character for option ({opt})") + self.prefixes.add(prefix[0]) + if len(prefix) == 1 and len(value) == 1: + self._short_opts.append(opt) + else: + self._long_opts.append(opt) + self.prefixes.add(prefix) + + if action is None: + action = "store" + + self.dest = dest + self.action = action + self.nargs = nargs + self.const = const + self.obj = obj + + @property + def takes_value(self) -> bool: + return self.action in ("store", "append") + + def process(self, value: t.Any, state: "ParsingState") -> None: + if self.action == "store": + state.opts[self.dest] = value # type: ignore + elif self.action == "store_const": + state.opts[self.dest] = self.const # type: ignore + elif self.action == "append": + state.opts.setdefault(self.dest, []).append(value) # type: ignore + elif self.action == "append_const": + state.opts.setdefault(self.dest, []).append(self.const) # type: ignore + elif self.action == "count": + state.opts[self.dest] = state.opts.get(self.dest, 0) + 1 # type: ignore + else: + raise ValueError(f"unknown action '{self.action}'") + state.order.append(self.obj) + + +class Argument: + def __init__(self, obj: "CoreArgument", dest: t.Optional[str], nargs: int = 1): + self.dest = dest + self.nargs = nargs + self.obj = obj + + def process( + self, + value: t.Union[t.Optional[str], t.Sequence[t.Optional[str]]], + state: "ParsingState", + ) -> None: + if self.nargs > 1: + assert value is not None + holes = sum(1 for x in value if x is None) + if holes == len(value): + value = None + elif holes != 0: + raise BadArgumentUsage( + _("Argument {name!r} takes {nargs} values.").format( + name=self.dest, nargs=self.nargs + ) + ) + + if self.nargs == -1 and self.obj.envvar is not None and value == (): + # Replace empty tuple with None so that a value from the + # environment may be tried. + value = None + + state.opts[self.dest] = value # type: ignore + state.order.append(self.obj) + + +class ParsingState: + def __init__(self, rargs: t.List[str]) -> None: + self.opts: t.Dict[str, t.Any] = {} + self.largs: t.List[str] = [] + self.rargs = rargs + self.order: t.List["CoreParameter"] = [] + + +class OptionParser: + """The option parser is an internal class that is ultimately used to + parse options and arguments. It's modelled after optparse and brings + a similar but vastly simplified API. It should generally not be used + directly as the high level Click classes wrap it for you. + + It's not nearly as extensible as optparse or argparse as it does not + implement features that are implemented on a higher level (such as + types or defaults). + + :param ctx: optionally the :class:`~click.Context` where this parser + should go with. + """ + + def __init__(self, ctx: t.Optional["Context"] = None) -> None: + #: The :class:`~click.Context` for this parser. This might be + #: `None` for some advanced use cases. + self.ctx = ctx + #: This controls how the parser deals with interspersed arguments. + #: If this is set to `False`, the parser will stop on the first + #: non-option. Click uses this to implement nested subcommands + #: safely. + self.allow_interspersed_args: bool = True + #: This tells the parser how to deal with unknown options. By + #: default it will error out (which is sensible), but there is a + #: second mode where it will ignore it and continue processing + #: after shifting all the unknown options into the resulting args. + self.ignore_unknown_options: bool = False + + if ctx is not None: + self.allow_interspersed_args = ctx.allow_interspersed_args + self.ignore_unknown_options = ctx.ignore_unknown_options + + self._short_opt: t.Dict[str, Option] = {} + self._long_opt: t.Dict[str, Option] = {} + self._opt_prefixes = {"-", "--"} + self._args: t.List[Argument] = [] + + def add_option( + self, + obj: "CoreOption", + opts: t.Sequence[str], + dest: t.Optional[str], + action: t.Optional[str] = None, + nargs: int = 1, + const: t.Optional[t.Any] = None, + ) -> None: + """Adds a new option named `dest` to the parser. The destination + is not inferred (unlike with optparse) and needs to be explicitly + provided. Action can be any of ``store``, ``store_const``, + ``append``, ``append_const`` or ``count``. + + The `obj` can be used to identify the option in the order list + that is returned from the parser. + """ + opts = [normalize_opt(opt, self.ctx) for opt in opts] + option = Option(obj, opts, dest, action=action, nargs=nargs, const=const) + self._opt_prefixes.update(option.prefixes) + for opt in option._short_opts: + self._short_opt[opt] = option + for opt in option._long_opts: + self._long_opt[opt] = option + + def add_argument( + self, obj: "CoreArgument", dest: t.Optional[str], nargs: int = 1 + ) -> None: + """Adds a positional argument named `dest` to the parser. + + The `obj` can be used to identify the option in the order list + that is returned from the parser. + """ + self._args.append(Argument(obj, dest=dest, nargs=nargs)) + + def parse_args( + self, args: t.List[str] + ) -> t.Tuple[t.Dict[str, t.Any], t.List[str], t.List["CoreParameter"]]: + """Parses positional arguments and returns ``(values, args, order)`` + for the parsed options and arguments as well as the leftover + arguments if there are any. The order is a list of objects as they + appear on the command line. If arguments appear multiple times they + will be memorized multiple times as well. + """ + state = ParsingState(args) + try: + self._process_args_for_options(state) + self._process_args_for_args(state) + except UsageError: + if self.ctx is None or not self.ctx.resilient_parsing: + raise + return state.opts, state.largs, state.order + + def _process_args_for_args(self, state: ParsingState) -> None: + pargs, args = _unpack_args( + state.largs + state.rargs, [x.nargs for x in self._args] + ) + + for idx, arg in enumerate(self._args): + arg.process(pargs[idx], state) + + state.largs = args + state.rargs = [] + + def _process_args_for_options(self, state: ParsingState) -> None: + while state.rargs: + arg = state.rargs.pop(0) + arglen = len(arg) + # Double dashes always handled explicitly regardless of what + # prefixes are valid. + if arg == "--": + return + elif arg[:1] in self._opt_prefixes and arglen > 1: + self._process_opts(arg, state) + elif self.allow_interspersed_args: + state.largs.append(arg) + else: + state.rargs.insert(0, arg) + return + + # Say this is the original argument list: + # [arg0, arg1, ..., arg(i-1), arg(i), arg(i+1), ..., arg(N-1)] + # ^ + # (we are about to process arg(i)). + # + # Then rargs is [arg(i), ..., arg(N-1)] and largs is a *subset* of + # [arg0, ..., arg(i-1)] (any options and their arguments will have + # been removed from largs). + # + # The while loop will usually consume 1 or more arguments per pass. + # If it consumes 1 (eg. arg is an option that takes no arguments), + # then after _process_arg() is done the situation is: + # + # largs = subset of [arg0, ..., arg(i)] + # rargs = [arg(i+1), ..., arg(N-1)] + # + # If allow_interspersed_args is false, largs will always be + # *empty* -- still a subset of [arg0, ..., arg(i-1)], but + # not a very interesting subset! + + def _match_long_opt( + self, opt: str, explicit_value: t.Optional[str], state: ParsingState + ) -> None: + if opt not in self._long_opt: + from difflib import get_close_matches + + possibilities = get_close_matches(opt, self._long_opt) + raise NoSuchOption(opt, possibilities=possibilities, ctx=self.ctx) + + option = self._long_opt[opt] + if option.takes_value: + # At this point it's safe to modify rargs by injecting the + # explicit value, because no exception is raised in this + # branch. This means that the inserted value will be fully + # consumed. + if explicit_value is not None: + state.rargs.insert(0, explicit_value) + + value = self._get_value_from_state(opt, option, state) + + elif explicit_value is not None: + raise BadOptionUsage( + opt, _("Option {name!r} does not take a value.").format(name=opt) + ) + + else: + value = None + + option.process(value, state) + + def _match_short_opt(self, arg: str, state: ParsingState) -> None: + stop = False + i = 1 + prefix = arg[0] + unknown_options = [] + + for ch in arg[1:]: + opt = normalize_opt(f"{prefix}{ch}", self.ctx) + option = self._short_opt.get(opt) + i += 1 + + if not option: + if self.ignore_unknown_options: + unknown_options.append(ch) + continue + raise NoSuchOption(opt, ctx=self.ctx) + if option.takes_value: + # Any characters left in arg? Pretend they're the + # next arg, and stop consuming characters of arg. + if i < len(arg): + state.rargs.insert(0, arg[i:]) + stop = True + + value = self._get_value_from_state(opt, option, state) + + else: + value = None + + option.process(value, state) + + if stop: + break + + # If we got any unknown options we recombine the string of the + # remaining options and re-attach the prefix, then report that + # to the state as new larg. This way there is basic combinatorics + # that can be achieved while still ignoring unknown arguments. + if self.ignore_unknown_options and unknown_options: + state.largs.append(f"{prefix}{''.join(unknown_options)}") + + def _get_value_from_state( + self, option_name: str, option: Option, state: ParsingState + ) -> t.Any: + nargs = option.nargs + + if len(state.rargs) < nargs: + if option.obj._flag_needs_value: + # Option allows omitting the value. + value = _flag_needs_value + else: + raise BadOptionUsage( + option_name, + ngettext( + "Option {name!r} requires an argument.", + "Option {name!r} requires {nargs} arguments.", + nargs, + ).format(name=option_name, nargs=nargs), + ) + elif nargs == 1: + next_rarg = state.rargs[0] + + if ( + option.obj._flag_needs_value + and isinstance(next_rarg, str) + and next_rarg[:1] in self._opt_prefixes + and len(next_rarg) > 1 + ): + # The next arg looks like the start of an option, don't + # use it as the value if omitting the value is allowed. + value = _flag_needs_value + else: + value = state.rargs.pop(0) + else: + value = tuple(state.rargs[:nargs]) + del state.rargs[:nargs] + + return value + + def _process_opts(self, arg: str, state: ParsingState) -> None: + explicit_value = None + # Long option handling happens in two parts. The first part is + # supporting explicitly attached values. In any case, we will try + # to long match the option first. + if "=" in arg: + long_opt, explicit_value = arg.split("=", 1) + else: + long_opt = arg + norm_long_opt = normalize_opt(long_opt, self.ctx) + + # At this point we will match the (assumed) long option through + # the long option matching code. Note that this allows options + # like "-foo" to be matched as long options. + try: + self._match_long_opt(norm_long_opt, explicit_value, state) + except NoSuchOption: + # At this point the long option matching failed, and we need + # to try with short options. However there is a special rule + # which says, that if we have a two character options prefix + # (applies to "--foo" for instance), we do not dispatch to the + # short option code and will instead raise the no option + # error. + if arg[:2] not in self._opt_prefixes: + self._match_short_opt(arg, state) + return + + if not self.ignore_unknown_options: + raise + + state.largs.append(arg) diff --git a/venv/lib/python3.12/site-packages/click/py.typed b/venv/lib/python3.12/site-packages/click/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/click/shell_completion.py b/venv/lib/python3.12/site-packages/click/shell_completion.py new file mode 100644 index 0000000..dc9e00b --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/shell_completion.py @@ -0,0 +1,596 @@ +import os +import re +import typing as t +from gettext import gettext as _ + +from .core import Argument +from .core import BaseCommand +from .core import Context +from .core import MultiCommand +from .core import Option +from .core import Parameter +from .core import ParameterSource +from .parser import split_arg_string +from .utils import echo + + +def shell_complete( + cli: BaseCommand, + ctx_args: t.MutableMapping[str, t.Any], + prog_name: str, + complete_var: str, + instruction: str, +) -> int: + """Perform shell completion for the given CLI program. + + :param cli: Command being called. + :param ctx_args: Extra arguments to pass to + ``cli.make_context``. + :param prog_name: Name of the executable in the shell. + :param complete_var: Name of the environment variable that holds + the completion instruction. + :param instruction: Value of ``complete_var`` with the completion + instruction and shell, in the form ``instruction_shell``. + :return: Status code to exit with. + """ + shell, _, instruction = instruction.partition("_") + comp_cls = get_completion_class(shell) + + if comp_cls is None: + return 1 + + comp = comp_cls(cli, ctx_args, prog_name, complete_var) + + if instruction == "source": + echo(comp.source()) + return 0 + + if instruction == "complete": + echo(comp.complete()) + return 0 + + return 1 + + +class CompletionItem: + """Represents a completion value and metadata about the value. The + default metadata is ``type`` to indicate special shell handling, + and ``help`` if a shell supports showing a help string next to the + value. + + Arbitrary parameters can be passed when creating the object, and + accessed using ``item.attr``. If an attribute wasn't passed, + accessing it returns ``None``. + + :param value: The completion suggestion. + :param type: Tells the shell script to provide special completion + support for the type. Click uses ``"dir"`` and ``"file"``. + :param help: String shown next to the value if supported. + :param kwargs: Arbitrary metadata. The built-in implementations + don't use this, but custom type completions paired with custom + shell support could use it. + """ + + __slots__ = ("value", "type", "help", "_info") + + def __init__( + self, + value: t.Any, + type: str = "plain", + help: t.Optional[str] = None, + **kwargs: t.Any, + ) -> None: + self.value: t.Any = value + self.type: str = type + self.help: t.Optional[str] = help + self._info = kwargs + + def __getattr__(self, name: str) -> t.Any: + return self._info.get(name) + + +# Only Bash >= 4.4 has the nosort option. +_SOURCE_BASH = """\ +%(complete_func)s() { + local IFS=$'\\n' + local response + + response=$(env COMP_WORDS="${COMP_WORDS[*]}" COMP_CWORD=$COMP_CWORD \ +%(complete_var)s=bash_complete $1) + + for completion in $response; do + IFS=',' read type value <<< "$completion" + + if [[ $type == 'dir' ]]; then + COMPREPLY=() + compopt -o dirnames + elif [[ $type == 'file' ]]; then + COMPREPLY=() + compopt -o default + elif [[ $type == 'plain' ]]; then + COMPREPLY+=($value) + fi + done + + return 0 +} + +%(complete_func)s_setup() { + complete -o nosort -F %(complete_func)s %(prog_name)s +} + +%(complete_func)s_setup; +""" + +_SOURCE_ZSH = """\ +#compdef %(prog_name)s + +%(complete_func)s() { + local -a completions + local -a completions_with_descriptions + local -a response + (( ! $+commands[%(prog_name)s] )) && return 1 + + response=("${(@f)$(env COMP_WORDS="${words[*]}" COMP_CWORD=$((CURRENT-1)) \ +%(complete_var)s=zsh_complete %(prog_name)s)}") + + for type key descr in ${response}; do + if [[ "$type" == "plain" ]]; then + if [[ "$descr" == "_" ]]; then + completions+=("$key") + else + completions_with_descriptions+=("$key":"$descr") + fi + elif [[ "$type" == "dir" ]]; then + _path_files -/ + elif [[ "$type" == "file" ]]; then + _path_files -f + fi + done + + if [ -n "$completions_with_descriptions" ]; then + _describe -V unsorted completions_with_descriptions -U + fi + + if [ -n "$completions" ]; then + compadd -U -V unsorted -a completions + fi +} + +if [[ $zsh_eval_context[-1] == loadautofunc ]]; then + # autoload from fpath, call function directly + %(complete_func)s "$@" +else + # eval/source/. command, register function for later + compdef %(complete_func)s %(prog_name)s +fi +""" + +_SOURCE_FISH = """\ +function %(complete_func)s; + set -l response (env %(complete_var)s=fish_complete COMP_WORDS=(commandline -cp) \ +COMP_CWORD=(commandline -t) %(prog_name)s); + + for completion in $response; + set -l metadata (string split "," $completion); + + if test $metadata[1] = "dir"; + __fish_complete_directories $metadata[2]; + else if test $metadata[1] = "file"; + __fish_complete_path $metadata[2]; + else if test $metadata[1] = "plain"; + echo $metadata[2]; + end; + end; +end; + +complete --no-files --command %(prog_name)s --arguments \ +"(%(complete_func)s)"; +""" + + +class ShellComplete: + """Base class for providing shell completion support. A subclass for + a given shell will override attributes and methods to implement the + completion instructions (``source`` and ``complete``). + + :param cli: Command being called. + :param prog_name: Name of the executable in the shell. + :param complete_var: Name of the environment variable that holds + the completion instruction. + + .. versionadded:: 8.0 + """ + + name: t.ClassVar[str] + """Name to register the shell as with :func:`add_completion_class`. + This is used in completion instructions (``{name}_source`` and + ``{name}_complete``). + """ + + source_template: t.ClassVar[str] + """Completion script template formatted by :meth:`source`. This must + be provided by subclasses. + """ + + def __init__( + self, + cli: BaseCommand, + ctx_args: t.MutableMapping[str, t.Any], + prog_name: str, + complete_var: str, + ) -> None: + self.cli = cli + self.ctx_args = ctx_args + self.prog_name = prog_name + self.complete_var = complete_var + + @property + def func_name(self) -> str: + """The name of the shell function defined by the completion + script. + """ + safe_name = re.sub(r"\W*", "", self.prog_name.replace("-", "_"), flags=re.ASCII) + return f"_{safe_name}_completion" + + def source_vars(self) -> t.Dict[str, t.Any]: + """Vars for formatting :attr:`source_template`. + + By default this provides ``complete_func``, ``complete_var``, + and ``prog_name``. + """ + return { + "complete_func": self.func_name, + "complete_var": self.complete_var, + "prog_name": self.prog_name, + } + + def source(self) -> str: + """Produce the shell script that defines the completion + function. By default this ``%``-style formats + :attr:`source_template` with the dict returned by + :meth:`source_vars`. + """ + return self.source_template % self.source_vars() + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + """Use the env vars defined by the shell script to return a + tuple of ``args, incomplete``. This must be implemented by + subclasses. + """ + raise NotImplementedError + + def get_completions( + self, args: t.List[str], incomplete: str + ) -> t.List[CompletionItem]: + """Determine the context and last complete command or parameter + from the complete args. Call that object's ``shell_complete`` + method to get the completions for the incomplete value. + + :param args: List of complete args before the incomplete value. + :param incomplete: Value being completed. May be empty. + """ + ctx = _resolve_context(self.cli, self.ctx_args, self.prog_name, args) + obj, incomplete = _resolve_incomplete(ctx, args, incomplete) + return obj.shell_complete(ctx, incomplete) + + def format_completion(self, item: CompletionItem) -> str: + """Format a completion item into the form recognized by the + shell script. This must be implemented by subclasses. + + :param item: Completion item to format. + """ + raise NotImplementedError + + def complete(self) -> str: + """Produce the completion data to send back to the shell. + + By default this calls :meth:`get_completion_args`, gets the + completions, then calls :meth:`format_completion` for each + completion. + """ + args, incomplete = self.get_completion_args() + completions = self.get_completions(args, incomplete) + out = [self.format_completion(item) for item in completions] + return "\n".join(out) + + +class BashComplete(ShellComplete): + """Shell completion for Bash.""" + + name = "bash" + source_template = _SOURCE_BASH + + @staticmethod + def _check_version() -> None: + import subprocess + + output = subprocess.run( + ["bash", "-c", 'echo "${BASH_VERSION}"'], stdout=subprocess.PIPE + ) + match = re.search(r"^(\d+)\.(\d+)\.\d+", output.stdout.decode()) + + if match is not None: + major, minor = match.groups() + + if major < "4" or major == "4" and minor < "4": + echo( + _( + "Shell completion is not supported for Bash" + " versions older than 4.4." + ), + err=True, + ) + else: + echo( + _("Couldn't detect Bash version, shell completion is not supported."), + err=True, + ) + + def source(self) -> str: + self._check_version() + return super().source() + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + cwords = split_arg_string(os.environ["COMP_WORDS"]) + cword = int(os.environ["COMP_CWORD"]) + args = cwords[1:cword] + + try: + incomplete = cwords[cword] + except IndexError: + incomplete = "" + + return args, incomplete + + def format_completion(self, item: CompletionItem) -> str: + return f"{item.type},{item.value}" + + +class ZshComplete(ShellComplete): + """Shell completion for Zsh.""" + + name = "zsh" + source_template = _SOURCE_ZSH + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + cwords = split_arg_string(os.environ["COMP_WORDS"]) + cword = int(os.environ["COMP_CWORD"]) + args = cwords[1:cword] + + try: + incomplete = cwords[cword] + except IndexError: + incomplete = "" + + return args, incomplete + + def format_completion(self, item: CompletionItem) -> str: + return f"{item.type}\n{item.value}\n{item.help if item.help else '_'}" + + +class FishComplete(ShellComplete): + """Shell completion for Fish.""" + + name = "fish" + source_template = _SOURCE_FISH + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + cwords = split_arg_string(os.environ["COMP_WORDS"]) + incomplete = os.environ["COMP_CWORD"] + args = cwords[1:] + + # Fish stores the partial word in both COMP_WORDS and + # COMP_CWORD, remove it from complete args. + if incomplete and args and args[-1] == incomplete: + args.pop() + + return args, incomplete + + def format_completion(self, item: CompletionItem) -> str: + if item.help: + return f"{item.type},{item.value}\t{item.help}" + + return f"{item.type},{item.value}" + + +ShellCompleteType = t.TypeVar("ShellCompleteType", bound=t.Type[ShellComplete]) + + +_available_shells: t.Dict[str, t.Type[ShellComplete]] = { + "bash": BashComplete, + "fish": FishComplete, + "zsh": ZshComplete, +} + + +def add_completion_class( + cls: ShellCompleteType, name: t.Optional[str] = None +) -> ShellCompleteType: + """Register a :class:`ShellComplete` subclass under the given name. + The name will be provided by the completion instruction environment + variable during completion. + + :param cls: The completion class that will handle completion for the + shell. + :param name: Name to register the class under. Defaults to the + class's ``name`` attribute. + """ + if name is None: + name = cls.name + + _available_shells[name] = cls + + return cls + + +def get_completion_class(shell: str) -> t.Optional[t.Type[ShellComplete]]: + """Look up a registered :class:`ShellComplete` subclass by the name + provided by the completion instruction environment variable. If the + name isn't registered, returns ``None``. + + :param shell: Name the class is registered under. + """ + return _available_shells.get(shell) + + +def _is_incomplete_argument(ctx: Context, param: Parameter) -> bool: + """Determine if the given parameter is an argument that can still + accept values. + + :param ctx: Invocation context for the command represented by the + parsed complete args. + :param param: Argument object being checked. + """ + if not isinstance(param, Argument): + return False + + assert param.name is not None + # Will be None if expose_value is False. + value = ctx.params.get(param.name) + return ( + param.nargs == -1 + or ctx.get_parameter_source(param.name) is not ParameterSource.COMMANDLINE + or ( + param.nargs > 1 + and isinstance(value, (tuple, list)) + and len(value) < param.nargs + ) + ) + + +def _start_of_option(ctx: Context, value: str) -> bool: + """Check if the value looks like the start of an option.""" + if not value: + return False + + c = value[0] + return c in ctx._opt_prefixes + + +def _is_incomplete_option(ctx: Context, args: t.List[str], param: Parameter) -> bool: + """Determine if the given parameter is an option that needs a value. + + :param args: List of complete args before the incomplete value. + :param param: Option object being checked. + """ + if not isinstance(param, Option): + return False + + if param.is_flag or param.count: + return False + + last_option = None + + for index, arg in enumerate(reversed(args)): + if index + 1 > param.nargs: + break + + if _start_of_option(ctx, arg): + last_option = arg + + return last_option is not None and last_option in param.opts + + +def _resolve_context( + cli: BaseCommand, + ctx_args: t.MutableMapping[str, t.Any], + prog_name: str, + args: t.List[str], +) -> Context: + """Produce the context hierarchy starting with the command and + traversing the complete arguments. This only follows the commands, + it doesn't trigger input prompts or callbacks. + + :param cli: Command being called. + :param prog_name: Name of the executable in the shell. + :param args: List of complete args before the incomplete value. + """ + ctx_args["resilient_parsing"] = True + ctx = cli.make_context(prog_name, args.copy(), **ctx_args) + args = ctx.protected_args + ctx.args + + while args: + command = ctx.command + + if isinstance(command, MultiCommand): + if not command.chain: + name, cmd, args = command.resolve_command(ctx, args) + + if cmd is None: + return ctx + + ctx = cmd.make_context(name, args, parent=ctx, resilient_parsing=True) + args = ctx.protected_args + ctx.args + else: + sub_ctx = ctx + + while args: + name, cmd, args = command.resolve_command(ctx, args) + + if cmd is None: + return ctx + + sub_ctx = cmd.make_context( + name, + args, + parent=ctx, + allow_extra_args=True, + allow_interspersed_args=False, + resilient_parsing=True, + ) + args = sub_ctx.args + + ctx = sub_ctx + args = [*sub_ctx.protected_args, *sub_ctx.args] + else: + break + + return ctx + + +def _resolve_incomplete( + ctx: Context, args: t.List[str], incomplete: str +) -> t.Tuple[t.Union[BaseCommand, Parameter], str]: + """Find the Click object that will handle the completion of the + incomplete value. Return the object and the incomplete value. + + :param ctx: Invocation context for the command represented by + the parsed complete args. + :param args: List of complete args before the incomplete value. + :param incomplete: Value being completed. May be empty. + """ + # Different shells treat an "=" between a long option name and + # value differently. Might keep the value joined, return the "=" + # as a separate item, or return the split name and value. Always + # split and discard the "=" to make completion easier. + if incomplete == "=": + incomplete = "" + elif "=" in incomplete and _start_of_option(ctx, incomplete): + name, _, incomplete = incomplete.partition("=") + args.append(name) + + # The "--" marker tells Click to stop treating values as options + # even if they start with the option character. If it hasn't been + # given and the incomplete arg looks like an option, the current + # command will provide option name completions. + if "--" not in args and _start_of_option(ctx, incomplete): + return ctx.command, incomplete + + params = ctx.command.get_params(ctx) + + # If the last complete arg is an option name with an incomplete + # value, the option will provide value completions. + for param in params: + if _is_incomplete_option(ctx, args, param): + return param, incomplete + + # It's not an option name or value. The first argument without a + # parsed value will provide value completions. + for param in params: + if _is_incomplete_argument(ctx, param): + return param, incomplete + + # There were no unparsed arguments, the command may be a group that + # will provide command name completions. + return ctx.command, incomplete diff --git a/venv/lib/python3.12/site-packages/click/termui.py b/venv/lib/python3.12/site-packages/click/termui.py new file mode 100644 index 0000000..db7a4b2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/termui.py @@ -0,0 +1,784 @@ +import inspect +import io +import itertools +import sys +import typing as t +from gettext import gettext as _ + +from ._compat import isatty +from ._compat import strip_ansi +from .exceptions import Abort +from .exceptions import UsageError +from .globals import resolve_color_default +from .types import Choice +from .types import convert_type +from .types import ParamType +from .utils import echo +from .utils import LazyFile + +if t.TYPE_CHECKING: + from ._termui_impl import ProgressBar + +V = t.TypeVar("V") + +# The prompt functions to use. The doc tools currently override these +# functions to customize how they work. +visible_prompt_func: t.Callable[[str], str] = input + +_ansi_colors = { + "black": 30, + "red": 31, + "green": 32, + "yellow": 33, + "blue": 34, + "magenta": 35, + "cyan": 36, + "white": 37, + "reset": 39, + "bright_black": 90, + "bright_red": 91, + "bright_green": 92, + "bright_yellow": 93, + "bright_blue": 94, + "bright_magenta": 95, + "bright_cyan": 96, + "bright_white": 97, +} +_ansi_reset_all = "\033[0m" + + +def hidden_prompt_func(prompt: str) -> str: + import getpass + + return getpass.getpass(prompt) + + +def _build_prompt( + text: str, + suffix: str, + show_default: bool = False, + default: t.Optional[t.Any] = None, + show_choices: bool = True, + type: t.Optional[ParamType] = None, +) -> str: + prompt = text + if type is not None and show_choices and isinstance(type, Choice): + prompt += f" ({', '.join(map(str, type.choices))})" + if default is not None and show_default: + prompt = f"{prompt} [{_format_default(default)}]" + return f"{prompt}{suffix}" + + +def _format_default(default: t.Any) -> t.Any: + if isinstance(default, (io.IOBase, LazyFile)) and hasattr(default, "name"): + return default.name + + return default + + +def prompt( + text: str, + default: t.Optional[t.Any] = None, + hide_input: bool = False, + confirmation_prompt: t.Union[bool, str] = False, + type: t.Optional[t.Union[ParamType, t.Any]] = None, + value_proc: t.Optional[t.Callable[[str], t.Any]] = None, + prompt_suffix: str = ": ", + show_default: bool = True, + err: bool = False, + show_choices: bool = True, +) -> t.Any: + """Prompts a user for input. This is a convenience function that can + be used to prompt a user for input later. + + If the user aborts the input by sending an interrupt signal, this + function will catch it and raise a :exc:`Abort` exception. + + :param text: the text to show for the prompt. + :param default: the default value to use if no input happens. If this + is not given it will prompt until it's aborted. + :param hide_input: if this is set to true then the input value will + be hidden. + :param confirmation_prompt: Prompt a second time to confirm the + value. Can be set to a string instead of ``True`` to customize + the message. + :param type: the type to use to check the value against. + :param value_proc: if this parameter is provided it's a function that + is invoked instead of the type conversion to + convert a value. + :param prompt_suffix: a suffix that should be added to the prompt. + :param show_default: shows or hides the default value in the prompt. + :param err: if set to true the file defaults to ``stderr`` instead of + ``stdout``, the same as with echo. + :param show_choices: Show or hide choices if the passed type is a Choice. + For example if type is a Choice of either day or week, + show_choices is true and text is "Group by" then the + prompt will be "Group by (day, week): ". + + .. versionadded:: 8.0 + ``confirmation_prompt`` can be a custom string. + + .. versionadded:: 7.0 + Added the ``show_choices`` parameter. + + .. versionadded:: 6.0 + Added unicode support for cmd.exe on Windows. + + .. versionadded:: 4.0 + Added the `err` parameter. + + """ + + def prompt_func(text: str) -> str: + f = hidden_prompt_func if hide_input else visible_prompt_func + try: + # Write the prompt separately so that we get nice + # coloring through colorama on Windows + echo(text.rstrip(" "), nl=False, err=err) + # Echo a space to stdout to work around an issue where + # readline causes backspace to clear the whole line. + return f(" ") + except (KeyboardInterrupt, EOFError): + # getpass doesn't print a newline if the user aborts input with ^C. + # Allegedly this behavior is inherited from getpass(3). + # A doc bug has been filed at https://bugs.python.org/issue24711 + if hide_input: + echo(None, err=err) + raise Abort() from None + + if value_proc is None: + value_proc = convert_type(type, default) + + prompt = _build_prompt( + text, prompt_suffix, show_default, default, show_choices, type + ) + + if confirmation_prompt: + if confirmation_prompt is True: + confirmation_prompt = _("Repeat for confirmation") + + confirmation_prompt = _build_prompt(confirmation_prompt, prompt_suffix) + + while True: + while True: + value = prompt_func(prompt) + if value: + break + elif default is not None: + value = default + break + try: + result = value_proc(value) + except UsageError as e: + if hide_input: + echo(_("Error: The value you entered was invalid."), err=err) + else: + echo(_("Error: {e.message}").format(e=e), err=err) # noqa: B306 + continue + if not confirmation_prompt: + return result + while True: + value2 = prompt_func(confirmation_prompt) + is_empty = not value and not value2 + if value2 or is_empty: + break + if value == value2: + return result + echo(_("Error: The two entered values do not match."), err=err) + + +def confirm( + text: str, + default: t.Optional[bool] = False, + abort: bool = False, + prompt_suffix: str = ": ", + show_default: bool = True, + err: bool = False, +) -> bool: + """Prompts for confirmation (yes/no question). + + If the user aborts the input by sending a interrupt signal this + function will catch it and raise a :exc:`Abort` exception. + + :param text: the question to ask. + :param default: The default value to use when no input is given. If + ``None``, repeat until input is given. + :param abort: if this is set to `True` a negative answer aborts the + exception by raising :exc:`Abort`. + :param prompt_suffix: a suffix that should be added to the prompt. + :param show_default: shows or hides the default value in the prompt. + :param err: if set to true the file defaults to ``stderr`` instead of + ``stdout``, the same as with echo. + + .. versionchanged:: 8.0 + Repeat until input is given if ``default`` is ``None``. + + .. versionadded:: 4.0 + Added the ``err`` parameter. + """ + prompt = _build_prompt( + text, + prompt_suffix, + show_default, + "y/n" if default is None else ("Y/n" if default else "y/N"), + ) + + while True: + try: + # Write the prompt separately so that we get nice + # coloring through colorama on Windows + echo(prompt.rstrip(" "), nl=False, err=err) + # Echo a space to stdout to work around an issue where + # readline causes backspace to clear the whole line. + value = visible_prompt_func(" ").lower().strip() + except (KeyboardInterrupt, EOFError): + raise Abort() from None + if value in ("y", "yes"): + rv = True + elif value in ("n", "no"): + rv = False + elif default is not None and value == "": + rv = default + else: + echo(_("Error: invalid input"), err=err) + continue + break + if abort and not rv: + raise Abort() + return rv + + +def echo_via_pager( + text_or_generator: t.Union[t.Iterable[str], t.Callable[[], t.Iterable[str]], str], + color: t.Optional[bool] = None, +) -> None: + """This function takes a text and shows it via an environment specific + pager on stdout. + + .. versionchanged:: 3.0 + Added the `color` flag. + + :param text_or_generator: the text to page, or alternatively, a + generator emitting the text to page. + :param color: controls if the pager supports ANSI colors or not. The + default is autodetection. + """ + color = resolve_color_default(color) + + if inspect.isgeneratorfunction(text_or_generator): + i = t.cast(t.Callable[[], t.Iterable[str]], text_or_generator)() + elif isinstance(text_or_generator, str): + i = [text_or_generator] + else: + i = iter(t.cast(t.Iterable[str], text_or_generator)) + + # convert every element of i to a text type if necessary + text_generator = (el if isinstance(el, str) else str(el) for el in i) + + from ._termui_impl import pager + + return pager(itertools.chain(text_generator, "\n"), color) + + +def progressbar( + iterable: t.Optional[t.Iterable[V]] = None, + length: t.Optional[int] = None, + label: t.Optional[str] = None, + show_eta: bool = True, + show_percent: t.Optional[bool] = None, + show_pos: bool = False, + item_show_func: t.Optional[t.Callable[[t.Optional[V]], t.Optional[str]]] = None, + fill_char: str = "#", + empty_char: str = "-", + bar_template: str = "%(label)s [%(bar)s] %(info)s", + info_sep: str = " ", + width: int = 36, + file: t.Optional[t.TextIO] = None, + color: t.Optional[bool] = None, + update_min_steps: int = 1, +) -> "ProgressBar[V]": + """This function creates an iterable context manager that can be used + to iterate over something while showing a progress bar. It will + either iterate over the `iterable` or `length` items (that are counted + up). While iteration happens, this function will print a rendered + progress bar to the given `file` (defaults to stdout) and will attempt + to calculate remaining time and more. By default, this progress bar + will not be rendered if the file is not a terminal. + + The context manager creates the progress bar. When the context + manager is entered the progress bar is already created. With every + iteration over the progress bar, the iterable passed to the bar is + advanced and the bar is updated. When the context manager exits, + a newline is printed and the progress bar is finalized on screen. + + Note: The progress bar is currently designed for use cases where the + total progress can be expected to take at least several seconds. + Because of this, the ProgressBar class object won't display + progress that is considered too fast, and progress where the time + between steps is less than a second. + + No printing must happen or the progress bar will be unintentionally + destroyed. + + Example usage:: + + with progressbar(items) as bar: + for item in bar: + do_something_with(item) + + Alternatively, if no iterable is specified, one can manually update the + progress bar through the `update()` method instead of directly + iterating over the progress bar. The update method accepts the number + of steps to increment the bar with:: + + with progressbar(length=chunks.total_bytes) as bar: + for chunk in chunks: + process_chunk(chunk) + bar.update(chunks.bytes) + + The ``update()`` method also takes an optional value specifying the + ``current_item`` at the new position. This is useful when used + together with ``item_show_func`` to customize the output for each + manual step:: + + with click.progressbar( + length=total_size, + label='Unzipping archive', + item_show_func=lambda a: a.filename + ) as bar: + for archive in zip_file: + archive.extract() + bar.update(archive.size, archive) + + :param iterable: an iterable to iterate over. If not provided the length + is required. + :param length: the number of items to iterate over. By default the + progressbar will attempt to ask the iterator about its + length, which might or might not work. If an iterable is + also provided this parameter can be used to override the + length. If an iterable is not provided the progress bar + will iterate over a range of that length. + :param label: the label to show next to the progress bar. + :param show_eta: enables or disables the estimated time display. This is + automatically disabled if the length cannot be + determined. + :param show_percent: enables or disables the percentage display. The + default is `True` if the iterable has a length or + `False` if not. + :param show_pos: enables or disables the absolute position display. The + default is `False`. + :param item_show_func: A function called with the current item which + can return a string to show next to the progress bar. If the + function returns ``None`` nothing is shown. The current item can + be ``None``, such as when entering and exiting the bar. + :param fill_char: the character to use to show the filled part of the + progress bar. + :param empty_char: the character to use to show the non-filled part of + the progress bar. + :param bar_template: the format string to use as template for the bar. + The parameters in it are ``label`` for the label, + ``bar`` for the progress bar and ``info`` for the + info section. + :param info_sep: the separator between multiple info items (eta etc.) + :param width: the width of the progress bar in characters, 0 means full + terminal width + :param file: The file to write to. If this is not a terminal then + only the label is printed. + :param color: controls if the terminal supports ANSI colors or not. The + default is autodetection. This is only needed if ANSI + codes are included anywhere in the progress bar output + which is not the case by default. + :param update_min_steps: Render only when this many updates have + completed. This allows tuning for very fast iterators. + + .. versionchanged:: 8.0 + Output is shown even if execution time is less than 0.5 seconds. + + .. versionchanged:: 8.0 + ``item_show_func`` shows the current item, not the previous one. + + .. versionchanged:: 8.0 + Labels are echoed if the output is not a TTY. Reverts a change + in 7.0 that removed all output. + + .. versionadded:: 8.0 + Added the ``update_min_steps`` parameter. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. Added the ``update`` method to + the object. + + .. versionadded:: 2.0 + """ + from ._termui_impl import ProgressBar + + color = resolve_color_default(color) + return ProgressBar( + iterable=iterable, + length=length, + show_eta=show_eta, + show_percent=show_percent, + show_pos=show_pos, + item_show_func=item_show_func, + fill_char=fill_char, + empty_char=empty_char, + bar_template=bar_template, + info_sep=info_sep, + file=file, + label=label, + width=width, + color=color, + update_min_steps=update_min_steps, + ) + + +def clear() -> None: + """Clears the terminal screen. This will have the effect of clearing + the whole visible space of the terminal and moving the cursor to the + top left. This does not do anything if not connected to a terminal. + + .. versionadded:: 2.0 + """ + if not isatty(sys.stdout): + return + + # ANSI escape \033[2J clears the screen, \033[1;1H moves the cursor + echo("\033[2J\033[1;1H", nl=False) + + +def _interpret_color( + color: t.Union[int, t.Tuple[int, int, int], str], offset: int = 0 +) -> str: + if isinstance(color, int): + return f"{38 + offset};5;{color:d}" + + if isinstance(color, (tuple, list)): + r, g, b = color + return f"{38 + offset};2;{r:d};{g:d};{b:d}" + + return str(_ansi_colors[color] + offset) + + +def style( + text: t.Any, + fg: t.Optional[t.Union[int, t.Tuple[int, int, int], str]] = None, + bg: t.Optional[t.Union[int, t.Tuple[int, int, int], str]] = None, + bold: t.Optional[bool] = None, + dim: t.Optional[bool] = None, + underline: t.Optional[bool] = None, + overline: t.Optional[bool] = None, + italic: t.Optional[bool] = None, + blink: t.Optional[bool] = None, + reverse: t.Optional[bool] = None, + strikethrough: t.Optional[bool] = None, + reset: bool = True, +) -> str: + """Styles a text with ANSI styles and returns the new string. By + default the styling is self contained which means that at the end + of the string a reset code is issued. This can be prevented by + passing ``reset=False``. + + Examples:: + + click.echo(click.style('Hello World!', fg='green')) + click.echo(click.style('ATTENTION!', blink=True)) + click.echo(click.style('Some things', reverse=True, fg='cyan')) + click.echo(click.style('More colors', fg=(255, 12, 128), bg=117)) + + Supported color names: + + * ``black`` (might be a gray) + * ``red`` + * ``green`` + * ``yellow`` (might be an orange) + * ``blue`` + * ``magenta`` + * ``cyan`` + * ``white`` (might be light gray) + * ``bright_black`` + * ``bright_red`` + * ``bright_green`` + * ``bright_yellow`` + * ``bright_blue`` + * ``bright_magenta`` + * ``bright_cyan`` + * ``bright_white`` + * ``reset`` (reset the color code only) + + If the terminal supports it, color may also be specified as: + + - An integer in the interval [0, 255]. The terminal must support + 8-bit/256-color mode. + - An RGB tuple of three integers in [0, 255]. The terminal must + support 24-bit/true-color mode. + + See https://en.wikipedia.org/wiki/ANSI_color and + https://gist.github.com/XVilka/8346728 for more information. + + :param text: the string to style with ansi codes. + :param fg: if provided this will become the foreground color. + :param bg: if provided this will become the background color. + :param bold: if provided this will enable or disable bold mode. + :param dim: if provided this will enable or disable dim mode. This is + badly supported. + :param underline: if provided this will enable or disable underline. + :param overline: if provided this will enable or disable overline. + :param italic: if provided this will enable or disable italic. + :param blink: if provided this will enable or disable blinking. + :param reverse: if provided this will enable or disable inverse + rendering (foreground becomes background and the + other way round). + :param strikethrough: if provided this will enable or disable + striking through text. + :param reset: by default a reset-all code is added at the end of the + string which means that styles do not carry over. This + can be disabled to compose styles. + + .. versionchanged:: 8.0 + A non-string ``message`` is converted to a string. + + .. versionchanged:: 8.0 + Added support for 256 and RGB color codes. + + .. versionchanged:: 8.0 + Added the ``strikethrough``, ``italic``, and ``overline`` + parameters. + + .. versionchanged:: 7.0 + Added support for bright colors. + + .. versionadded:: 2.0 + """ + if not isinstance(text, str): + text = str(text) + + bits = [] + + if fg: + try: + bits.append(f"\033[{_interpret_color(fg)}m") + except KeyError: + raise TypeError(f"Unknown color {fg!r}") from None + + if bg: + try: + bits.append(f"\033[{_interpret_color(bg, 10)}m") + except KeyError: + raise TypeError(f"Unknown color {bg!r}") from None + + if bold is not None: + bits.append(f"\033[{1 if bold else 22}m") + if dim is not None: + bits.append(f"\033[{2 if dim else 22}m") + if underline is not None: + bits.append(f"\033[{4 if underline else 24}m") + if overline is not None: + bits.append(f"\033[{53 if overline else 55}m") + if italic is not None: + bits.append(f"\033[{3 if italic else 23}m") + if blink is not None: + bits.append(f"\033[{5 if blink else 25}m") + if reverse is not None: + bits.append(f"\033[{7 if reverse else 27}m") + if strikethrough is not None: + bits.append(f"\033[{9 if strikethrough else 29}m") + bits.append(text) + if reset: + bits.append(_ansi_reset_all) + return "".join(bits) + + +def unstyle(text: str) -> str: + """Removes ANSI styling information from a string. Usually it's not + necessary to use this function as Click's echo function will + automatically remove styling if necessary. + + .. versionadded:: 2.0 + + :param text: the text to remove style information from. + """ + return strip_ansi(text) + + +def secho( + message: t.Optional[t.Any] = None, + file: t.Optional[t.IO[t.AnyStr]] = None, + nl: bool = True, + err: bool = False, + color: t.Optional[bool] = None, + **styles: t.Any, +) -> None: + """This function combines :func:`echo` and :func:`style` into one + call. As such the following two calls are the same:: + + click.secho('Hello World!', fg='green') + click.echo(click.style('Hello World!', fg='green')) + + All keyword arguments are forwarded to the underlying functions + depending on which one they go with. + + Non-string types will be converted to :class:`str`. However, + :class:`bytes` are passed directly to :meth:`echo` without applying + style. If you want to style bytes that represent text, call + :meth:`bytes.decode` first. + + .. versionchanged:: 8.0 + A non-string ``message`` is converted to a string. Bytes are + passed through without style applied. + + .. versionadded:: 2.0 + """ + if message is not None and not isinstance(message, (bytes, bytearray)): + message = style(message, **styles) + + return echo(message, file=file, nl=nl, err=err, color=color) + + +def edit( + text: t.Optional[t.AnyStr] = None, + editor: t.Optional[str] = None, + env: t.Optional[t.Mapping[str, str]] = None, + require_save: bool = True, + extension: str = ".txt", + filename: t.Optional[str] = None, +) -> t.Optional[t.AnyStr]: + r"""Edits the given text in the defined editor. If an editor is given + (should be the full path to the executable but the regular operating + system search path is used for finding the executable) it overrides + the detected editor. Optionally, some environment variables can be + used. If the editor is closed without changes, `None` is returned. In + case a file is edited directly the return value is always `None` and + `require_save` and `extension` are ignored. + + If the editor cannot be opened a :exc:`UsageError` is raised. + + Note for Windows: to simplify cross-platform usage, the newlines are + automatically converted from POSIX to Windows and vice versa. As such, + the message here will have ``\n`` as newline markers. + + :param text: the text to edit. + :param editor: optionally the editor to use. Defaults to automatic + detection. + :param env: environment variables to forward to the editor. + :param require_save: if this is true, then not saving in the editor + will make the return value become `None`. + :param extension: the extension to tell the editor about. This defaults + to `.txt` but changing this might change syntax + highlighting. + :param filename: if provided it will edit this file instead of the + provided text contents. It will not use a temporary + file as an indirection in that case. + """ + from ._termui_impl import Editor + + ed = Editor(editor=editor, env=env, require_save=require_save, extension=extension) + + if filename is None: + return ed.edit(text) + + ed.edit_file(filename) + return None + + +def launch(url: str, wait: bool = False, locate: bool = False) -> int: + """This function launches the given URL (or filename) in the default + viewer application for this file type. If this is an executable, it + might launch the executable in a new session. The return value is + the exit code of the launched application. Usually, ``0`` indicates + success. + + Examples:: + + click.launch('https://click.palletsprojects.com/') + click.launch('/my/downloaded/file', locate=True) + + .. versionadded:: 2.0 + + :param url: URL or filename of the thing to launch. + :param wait: Wait for the program to exit before returning. This + only works if the launched program blocks. In particular, + ``xdg-open`` on Linux does not block. + :param locate: if this is set to `True` then instead of launching the + application associated with the URL it will attempt to + launch a file manager with the file located. This + might have weird effects if the URL does not point to + the filesystem. + """ + from ._termui_impl import open_url + + return open_url(url, wait=wait, locate=locate) + + +# If this is provided, getchar() calls into this instead. This is used +# for unittesting purposes. +_getchar: t.Optional[t.Callable[[bool], str]] = None + + +def getchar(echo: bool = False) -> str: + """Fetches a single character from the terminal and returns it. This + will always return a unicode character and under certain rare + circumstances this might return more than one character. The + situations which more than one character is returned is when for + whatever reason multiple characters end up in the terminal buffer or + standard input was not actually a terminal. + + Note that this will always read from the terminal, even if something + is piped into the standard input. + + Note for Windows: in rare cases when typing non-ASCII characters, this + function might wait for a second character and then return both at once. + This is because certain Unicode characters look like special-key markers. + + .. versionadded:: 2.0 + + :param echo: if set to `True`, the character read will also show up on + the terminal. The default is to not show it. + """ + global _getchar + + if _getchar is None: + from ._termui_impl import getchar as f + + _getchar = f + + return _getchar(echo) + + +def raw_terminal() -> t.ContextManager[int]: + from ._termui_impl import raw_terminal as f + + return f() + + +def pause(info: t.Optional[str] = None, err: bool = False) -> None: + """This command stops execution and waits for the user to press any + key to continue. This is similar to the Windows batch "pause" + command. If the program is not run through a terminal, this command + will instead do nothing. + + .. versionadded:: 2.0 + + .. versionadded:: 4.0 + Added the `err` parameter. + + :param info: The message to print before pausing. Defaults to + ``"Press any key to continue..."``. + :param err: if set to message goes to ``stderr`` instead of + ``stdout``, the same as with echo. + """ + if not isatty(sys.stdin) or not isatty(sys.stdout): + return + + if info is None: + info = _("Press any key to continue...") + + try: + if info: + echo(info, nl=False, err=err) + try: + getchar() + except (KeyboardInterrupt, EOFError): + pass + finally: + if info: + echo(err=err) diff --git a/venv/lib/python3.12/site-packages/click/testing.py b/venv/lib/python3.12/site-packages/click/testing.py new file mode 100644 index 0000000..e0df0d2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/testing.py @@ -0,0 +1,479 @@ +import contextlib +import io +import os +import shlex +import shutil +import sys +import tempfile +import typing as t +from types import TracebackType + +from . import formatting +from . import termui +from . import utils +from ._compat import _find_binary_reader + +if t.TYPE_CHECKING: + from .core import BaseCommand + + +class EchoingStdin: + def __init__(self, input: t.BinaryIO, output: t.BinaryIO) -> None: + self._input = input + self._output = output + self._paused = False + + def __getattr__(self, x: str) -> t.Any: + return getattr(self._input, x) + + def _echo(self, rv: bytes) -> bytes: + if not self._paused: + self._output.write(rv) + + return rv + + def read(self, n: int = -1) -> bytes: + return self._echo(self._input.read(n)) + + def read1(self, n: int = -1) -> bytes: + return self._echo(self._input.read1(n)) # type: ignore + + def readline(self, n: int = -1) -> bytes: + return self._echo(self._input.readline(n)) + + def readlines(self) -> t.List[bytes]: + return [self._echo(x) for x in self._input.readlines()] + + def __iter__(self) -> t.Iterator[bytes]: + return iter(self._echo(x) for x in self._input) + + def __repr__(self) -> str: + return repr(self._input) + + +@contextlib.contextmanager +def _pause_echo(stream: t.Optional[EchoingStdin]) -> t.Iterator[None]: + if stream is None: + yield + else: + stream._paused = True + yield + stream._paused = False + + +class _NamedTextIOWrapper(io.TextIOWrapper): + def __init__( + self, buffer: t.BinaryIO, name: str, mode: str, **kwargs: t.Any + ) -> None: + super().__init__(buffer, **kwargs) + self._name = name + self._mode = mode + + @property + def name(self) -> str: + return self._name + + @property + def mode(self) -> str: + return self._mode + + +def make_input_stream( + input: t.Optional[t.Union[str, bytes, t.IO[t.Any]]], charset: str +) -> t.BinaryIO: + # Is already an input stream. + if hasattr(input, "read"): + rv = _find_binary_reader(t.cast(t.IO[t.Any], input)) + + if rv is not None: + return rv + + raise TypeError("Could not find binary reader for input stream.") + + if input is None: + input = b"" + elif isinstance(input, str): + input = input.encode(charset) + + return io.BytesIO(input) + + +class Result: + """Holds the captured result of an invoked CLI script.""" + + def __init__( + self, + runner: "CliRunner", + stdout_bytes: bytes, + stderr_bytes: t.Optional[bytes], + return_value: t.Any, + exit_code: int, + exception: t.Optional[BaseException], + exc_info: t.Optional[ + t.Tuple[t.Type[BaseException], BaseException, TracebackType] + ] = None, + ): + #: The runner that created the result + self.runner = runner + #: The standard output as bytes. + self.stdout_bytes = stdout_bytes + #: The standard error as bytes, or None if not available + self.stderr_bytes = stderr_bytes + #: The value returned from the invoked command. + #: + #: .. versionadded:: 8.0 + self.return_value = return_value + #: The exit code as integer. + self.exit_code = exit_code + #: The exception that happened if one did. + self.exception = exception + #: The traceback + self.exc_info = exc_info + + @property + def output(self) -> str: + """The (standard) output as unicode string.""" + return self.stdout + + @property + def stdout(self) -> str: + """The standard output as unicode string.""" + return self.stdout_bytes.decode(self.runner.charset, "replace").replace( + "\r\n", "\n" + ) + + @property + def stderr(self) -> str: + """The standard error as unicode string.""" + if self.stderr_bytes is None: + raise ValueError("stderr not separately captured") + return self.stderr_bytes.decode(self.runner.charset, "replace").replace( + "\r\n", "\n" + ) + + def __repr__(self) -> str: + exc_str = repr(self.exception) if self.exception else "okay" + return f"<{type(self).__name__} {exc_str}>" + + +class CliRunner: + """The CLI runner provides functionality to invoke a Click command line + script for unittesting purposes in a isolated environment. This only + works in single-threaded systems without any concurrency as it changes the + global interpreter state. + + :param charset: the character set for the input and output data. + :param env: a dictionary with environment variables for overriding. + :param echo_stdin: if this is set to `True`, then reading from stdin writes + to stdout. This is useful for showing examples in + some circumstances. Note that regular prompts + will automatically echo the input. + :param mix_stderr: if this is set to `False`, then stdout and stderr are + preserved as independent streams. This is useful for + Unix-philosophy apps that have predictable stdout and + noisy stderr, such that each may be measured + independently + """ + + def __init__( + self, + charset: str = "utf-8", + env: t.Optional[t.Mapping[str, t.Optional[str]]] = None, + echo_stdin: bool = False, + mix_stderr: bool = True, + ) -> None: + self.charset = charset + self.env: t.Mapping[str, t.Optional[str]] = env or {} + self.echo_stdin = echo_stdin + self.mix_stderr = mix_stderr + + def get_default_prog_name(self, cli: "BaseCommand") -> str: + """Given a command object it will return the default program name + for it. The default is the `name` attribute or ``"root"`` if not + set. + """ + return cli.name or "root" + + def make_env( + self, overrides: t.Optional[t.Mapping[str, t.Optional[str]]] = None + ) -> t.Mapping[str, t.Optional[str]]: + """Returns the environment overrides for invoking a script.""" + rv = dict(self.env) + if overrides: + rv.update(overrides) + return rv + + @contextlib.contextmanager + def isolation( + self, + input: t.Optional[t.Union[str, bytes, t.IO[t.Any]]] = None, + env: t.Optional[t.Mapping[str, t.Optional[str]]] = None, + color: bool = False, + ) -> t.Iterator[t.Tuple[io.BytesIO, t.Optional[io.BytesIO]]]: + """A context manager that sets up the isolation for invoking of a + command line tool. This sets up stdin with the given input data + and `os.environ` with the overrides from the given dictionary. + This also rebinds some internals in Click to be mocked (like the + prompt functionality). + + This is automatically done in the :meth:`invoke` method. + + :param input: the input stream to put into sys.stdin. + :param env: the environment overrides as dictionary. + :param color: whether the output should contain color codes. The + application can still override this explicitly. + + .. versionchanged:: 8.0 + ``stderr`` is opened with ``errors="backslashreplace"`` + instead of the default ``"strict"``. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. + """ + bytes_input = make_input_stream(input, self.charset) + echo_input = None + + old_stdin = sys.stdin + old_stdout = sys.stdout + old_stderr = sys.stderr + old_forced_width = formatting.FORCED_WIDTH + formatting.FORCED_WIDTH = 80 + + env = self.make_env(env) + + bytes_output = io.BytesIO() + + if self.echo_stdin: + bytes_input = echo_input = t.cast( + t.BinaryIO, EchoingStdin(bytes_input, bytes_output) + ) + + sys.stdin = text_input = _NamedTextIOWrapper( + bytes_input, encoding=self.charset, name="", mode="r" + ) + + if self.echo_stdin: + # Force unbuffered reads, otherwise TextIOWrapper reads a + # large chunk which is echoed early. + text_input._CHUNK_SIZE = 1 # type: ignore + + sys.stdout = _NamedTextIOWrapper( + bytes_output, encoding=self.charset, name="", mode="w" + ) + + bytes_error = None + if self.mix_stderr: + sys.stderr = sys.stdout + else: + bytes_error = io.BytesIO() + sys.stderr = _NamedTextIOWrapper( + bytes_error, + encoding=self.charset, + name="", + mode="w", + errors="backslashreplace", + ) + + @_pause_echo(echo_input) # type: ignore + def visible_input(prompt: t.Optional[str] = None) -> str: + sys.stdout.write(prompt or "") + val = text_input.readline().rstrip("\r\n") + sys.stdout.write(f"{val}\n") + sys.stdout.flush() + return val + + @_pause_echo(echo_input) # type: ignore + def hidden_input(prompt: t.Optional[str] = None) -> str: + sys.stdout.write(f"{prompt or ''}\n") + sys.stdout.flush() + return text_input.readline().rstrip("\r\n") + + @_pause_echo(echo_input) # type: ignore + def _getchar(echo: bool) -> str: + char = sys.stdin.read(1) + + if echo: + sys.stdout.write(char) + + sys.stdout.flush() + return char + + default_color = color + + def should_strip_ansi( + stream: t.Optional[t.IO[t.Any]] = None, color: t.Optional[bool] = None + ) -> bool: + if color is None: + return not default_color + return not color + + old_visible_prompt_func = termui.visible_prompt_func + old_hidden_prompt_func = termui.hidden_prompt_func + old__getchar_func = termui._getchar + old_should_strip_ansi = utils.should_strip_ansi # type: ignore + termui.visible_prompt_func = visible_input + termui.hidden_prompt_func = hidden_input + termui._getchar = _getchar + utils.should_strip_ansi = should_strip_ansi # type: ignore + + old_env = {} + try: + for key, value in env.items(): + old_env[key] = os.environ.get(key) + if value is None: + try: + del os.environ[key] + except Exception: + pass + else: + os.environ[key] = value + yield (bytes_output, bytes_error) + finally: + for key, value in old_env.items(): + if value is None: + try: + del os.environ[key] + except Exception: + pass + else: + os.environ[key] = value + sys.stdout = old_stdout + sys.stderr = old_stderr + sys.stdin = old_stdin + termui.visible_prompt_func = old_visible_prompt_func + termui.hidden_prompt_func = old_hidden_prompt_func + termui._getchar = old__getchar_func + utils.should_strip_ansi = old_should_strip_ansi # type: ignore + formatting.FORCED_WIDTH = old_forced_width + + def invoke( + self, + cli: "BaseCommand", + args: t.Optional[t.Union[str, t.Sequence[str]]] = None, + input: t.Optional[t.Union[str, bytes, t.IO[t.Any]]] = None, + env: t.Optional[t.Mapping[str, t.Optional[str]]] = None, + catch_exceptions: bool = True, + color: bool = False, + **extra: t.Any, + ) -> Result: + """Invokes a command in an isolated environment. The arguments are + forwarded directly to the command line script, the `extra` keyword + arguments are passed to the :meth:`~clickpkg.Command.main` function of + the command. + + This returns a :class:`Result` object. + + :param cli: the command to invoke + :param args: the arguments to invoke. It may be given as an iterable + or a string. When given as string it will be interpreted + as a Unix shell command. More details at + :func:`shlex.split`. + :param input: the input data for `sys.stdin`. + :param env: the environment overrides. + :param catch_exceptions: Whether to catch any other exceptions than + ``SystemExit``. + :param extra: the keyword arguments to pass to :meth:`main`. + :param color: whether the output should contain color codes. The + application can still override this explicitly. + + .. versionchanged:: 8.0 + The result object has the ``return_value`` attribute with + the value returned from the invoked command. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. + + .. versionchanged:: 3.0 + Added the ``catch_exceptions`` parameter. + + .. versionchanged:: 3.0 + The result object has the ``exc_info`` attribute with the + traceback if available. + """ + exc_info = None + with self.isolation(input=input, env=env, color=color) as outstreams: + return_value = None + exception: t.Optional[BaseException] = None + exit_code = 0 + + if isinstance(args, str): + args = shlex.split(args) + + try: + prog_name = extra.pop("prog_name") + except KeyError: + prog_name = self.get_default_prog_name(cli) + + try: + return_value = cli.main(args=args or (), prog_name=prog_name, **extra) + except SystemExit as e: + exc_info = sys.exc_info() + e_code = t.cast(t.Optional[t.Union[int, t.Any]], e.code) + + if e_code is None: + e_code = 0 + + if e_code != 0: + exception = e + + if not isinstance(e_code, int): + sys.stdout.write(str(e_code)) + sys.stdout.write("\n") + e_code = 1 + + exit_code = e_code + + except Exception as e: + if not catch_exceptions: + raise + exception = e + exit_code = 1 + exc_info = sys.exc_info() + finally: + sys.stdout.flush() + stdout = outstreams[0].getvalue() + if self.mix_stderr: + stderr = None + else: + stderr = outstreams[1].getvalue() # type: ignore + + return Result( + runner=self, + stdout_bytes=stdout, + stderr_bytes=stderr, + return_value=return_value, + exit_code=exit_code, + exception=exception, + exc_info=exc_info, # type: ignore + ) + + @contextlib.contextmanager + def isolated_filesystem( + self, temp_dir: t.Optional[t.Union[str, "os.PathLike[str]"]] = None + ) -> t.Iterator[str]: + """A context manager that creates a temporary directory and + changes the current working directory to it. This isolates tests + that affect the contents of the CWD to prevent them from + interfering with each other. + + :param temp_dir: Create the temporary directory under this + directory. If given, the created directory is not removed + when exiting. + + .. versionchanged:: 8.0 + Added the ``temp_dir`` parameter. + """ + cwd = os.getcwd() + dt = tempfile.mkdtemp(dir=temp_dir) + os.chdir(dt) + + try: + yield dt + finally: + os.chdir(cwd) + + if temp_dir is None: + try: + shutil.rmtree(dt) + except OSError: # noqa: B014 + pass diff --git a/venv/lib/python3.12/site-packages/click/types.py b/venv/lib/python3.12/site-packages/click/types.py new file mode 100644 index 0000000..2b1d179 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/types.py @@ -0,0 +1,1089 @@ +import os +import stat +import sys +import typing as t +from datetime import datetime +from gettext import gettext as _ +from gettext import ngettext + +from ._compat import _get_argv_encoding +from ._compat import open_stream +from .exceptions import BadParameter +from .utils import format_filename +from .utils import LazyFile +from .utils import safecall + +if t.TYPE_CHECKING: + import typing_extensions as te + from .core import Context + from .core import Parameter + from .shell_completion import CompletionItem + + +class ParamType: + """Represents the type of a parameter. Validates and converts values + from the command line or Python into the correct type. + + To implement a custom type, subclass and implement at least the + following: + + - The :attr:`name` class attribute must be set. + - Calling an instance of the type with ``None`` must return + ``None``. This is already implemented by default. + - :meth:`convert` must convert string values to the correct type. + - :meth:`convert` must accept values that are already the correct + type. + - It must be able to convert a value if the ``ctx`` and ``param`` + arguments are ``None``. This can occur when converting prompt + input. + """ + + is_composite: t.ClassVar[bool] = False + arity: t.ClassVar[int] = 1 + + #: the descriptive name of this type + name: str + + #: if a list of this type is expected and the value is pulled from a + #: string environment variable, this is what splits it up. `None` + #: means any whitespace. For all parameters the general rule is that + #: whitespace splits them up. The exception are paths and files which + #: are split by ``os.path.pathsep`` by default (":" on Unix and ";" on + #: Windows). + envvar_list_splitter: t.ClassVar[t.Optional[str]] = None + + def to_info_dict(self) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. + + Use :meth:`click.Context.to_info_dict` to traverse the entire + CLI structure. + + .. versionadded:: 8.0 + """ + # The class name without the "ParamType" suffix. + param_type = type(self).__name__.partition("ParamType")[0] + param_type = param_type.partition("ParameterType")[0] + + # Custom subclasses might not remember to set a name. + if hasattr(self, "name"): + name = self.name + else: + name = param_type + + return {"param_type": param_type, "name": name} + + def __call__( + self, + value: t.Any, + param: t.Optional["Parameter"] = None, + ctx: t.Optional["Context"] = None, + ) -> t.Any: + if value is not None: + return self.convert(value, param, ctx) + + def get_metavar(self, param: "Parameter") -> t.Optional[str]: + """Returns the metavar default for this param if it provides one.""" + + def get_missing_message(self, param: "Parameter") -> t.Optional[str]: + """Optionally might return extra information about a missing + parameter. + + .. versionadded:: 2.0 + """ + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + """Convert the value to the correct type. This is not called if + the value is ``None`` (the missing value). + + This must accept string values from the command line, as well as + values that are already the correct type. It may also convert + other compatible types. + + The ``param`` and ``ctx`` arguments may be ``None`` in certain + situations, such as when converting prompt input. + + If the value cannot be converted, call :meth:`fail` with a + descriptive message. + + :param value: The value to convert. + :param param: The parameter that is using this type to convert + its value. May be ``None``. + :param ctx: The current context that arrived at this value. May + be ``None``. + """ + return value + + def split_envvar_value(self, rv: str) -> t.Sequence[str]: + """Given a value from an environment variable this splits it up + into small chunks depending on the defined envvar list splitter. + + If the splitter is set to `None`, which means that whitespace splits, + then leading and trailing whitespace is ignored. Otherwise, leading + and trailing splitters usually lead to empty items being included. + """ + return (rv or "").split(self.envvar_list_splitter) + + def fail( + self, + message: str, + param: t.Optional["Parameter"] = None, + ctx: t.Optional["Context"] = None, + ) -> "t.NoReturn": + """Helper method to fail with an invalid value message.""" + raise BadParameter(message, ctx=ctx, param=param) + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Return a list of + :class:`~click.shell_completion.CompletionItem` objects for the + incomplete value. Most types do not provide completions, but + some do, and this allows custom types to provide custom + completions as well. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + return [] + + +class CompositeParamType(ParamType): + is_composite = True + + @property + def arity(self) -> int: # type: ignore + raise NotImplementedError() + + +class FuncParamType(ParamType): + def __init__(self, func: t.Callable[[t.Any], t.Any]) -> None: + self.name: str = func.__name__ + self.func = func + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["func"] = self.func + return info_dict + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + try: + return self.func(value) + except ValueError: + try: + value = str(value) + except UnicodeError: + value = value.decode("utf-8", "replace") + + self.fail(value, param, ctx) + + +class UnprocessedParamType(ParamType): + name = "text" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + return value + + def __repr__(self) -> str: + return "UNPROCESSED" + + +class StringParamType(ParamType): + name = "text" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + if isinstance(value, bytes): + enc = _get_argv_encoding() + try: + value = value.decode(enc) + except UnicodeError: + fs_enc = sys.getfilesystemencoding() + if fs_enc != enc: + try: + value = value.decode(fs_enc) + except UnicodeError: + value = value.decode("utf-8", "replace") + else: + value = value.decode("utf-8", "replace") + return value + return str(value) + + def __repr__(self) -> str: + return "STRING" + + +class Choice(ParamType): + """The choice type allows a value to be checked against a fixed set + of supported values. All of these values have to be strings. + + You should only pass a list or tuple of choices. Other iterables + (like generators) may lead to surprising results. + + The resulting value will always be one of the originally passed choices + regardless of ``case_sensitive`` or any ``ctx.token_normalize_func`` + being specified. + + See :ref:`choice-opts` for an example. + + :param case_sensitive: Set to false to make choices case + insensitive. Defaults to true. + """ + + name = "choice" + + def __init__(self, choices: t.Sequence[str], case_sensitive: bool = True) -> None: + self.choices = choices + self.case_sensitive = case_sensitive + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["choices"] = self.choices + info_dict["case_sensitive"] = self.case_sensitive + return info_dict + + def get_metavar(self, param: "Parameter") -> str: + choices_str = "|".join(self.choices) + + # Use curly braces to indicate a required argument. + if param.required and param.param_type_name == "argument": + return f"{{{choices_str}}}" + + # Use square braces to indicate an option or optional argument. + return f"[{choices_str}]" + + def get_missing_message(self, param: "Parameter") -> str: + return _("Choose from:\n\t{choices}").format(choices=",\n\t".join(self.choices)) + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + # Match through normalization and case sensitivity + # first do token_normalize_func, then lowercase + # preserve original `value` to produce an accurate message in + # `self.fail` + normed_value = value + normed_choices = {choice: choice for choice in self.choices} + + if ctx is not None and ctx.token_normalize_func is not None: + normed_value = ctx.token_normalize_func(value) + normed_choices = { + ctx.token_normalize_func(normed_choice): original + for normed_choice, original in normed_choices.items() + } + + if not self.case_sensitive: + normed_value = normed_value.casefold() + normed_choices = { + normed_choice.casefold(): original + for normed_choice, original in normed_choices.items() + } + + if normed_value in normed_choices: + return normed_choices[normed_value] + + choices_str = ", ".join(map(repr, self.choices)) + self.fail( + ngettext( + "{value!r} is not {choice}.", + "{value!r} is not one of {choices}.", + len(self.choices), + ).format(value=value, choice=choices_str, choices=choices_str), + param, + ctx, + ) + + def __repr__(self) -> str: + return f"Choice({list(self.choices)})" + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Complete choices that start with the incomplete value. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + str_choices = map(str, self.choices) + + if self.case_sensitive: + matched = (c for c in str_choices if c.startswith(incomplete)) + else: + incomplete = incomplete.lower() + matched = (c for c in str_choices if c.lower().startswith(incomplete)) + + return [CompletionItem(c) for c in matched] + + +class DateTime(ParamType): + """The DateTime type converts date strings into `datetime` objects. + + The format strings which are checked are configurable, but default to some + common (non-timezone aware) ISO 8601 formats. + + When specifying *DateTime* formats, you should only pass a list or a tuple. + Other iterables, like generators, may lead to surprising results. + + The format strings are processed using ``datetime.strptime``, and this + consequently defines the format strings which are allowed. + + Parsing is tried using each format, in order, and the first format which + parses successfully is used. + + :param formats: A list or tuple of date format strings, in the order in + which they should be tried. Defaults to + ``'%Y-%m-%d'``, ``'%Y-%m-%dT%H:%M:%S'``, + ``'%Y-%m-%d %H:%M:%S'``. + """ + + name = "datetime" + + def __init__(self, formats: t.Optional[t.Sequence[str]] = None): + self.formats: t.Sequence[str] = formats or [ + "%Y-%m-%d", + "%Y-%m-%dT%H:%M:%S", + "%Y-%m-%d %H:%M:%S", + ] + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["formats"] = self.formats + return info_dict + + def get_metavar(self, param: "Parameter") -> str: + return f"[{'|'.join(self.formats)}]" + + def _try_to_convert_date(self, value: t.Any, format: str) -> t.Optional[datetime]: + try: + return datetime.strptime(value, format) + except ValueError: + return None + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + if isinstance(value, datetime): + return value + + for format in self.formats: + converted = self._try_to_convert_date(value, format) + + if converted is not None: + return converted + + formats_str = ", ".join(map(repr, self.formats)) + self.fail( + ngettext( + "{value!r} does not match the format {format}.", + "{value!r} does not match the formats {formats}.", + len(self.formats), + ).format(value=value, format=formats_str, formats=formats_str), + param, + ctx, + ) + + def __repr__(self) -> str: + return "DateTime" + + +class _NumberParamTypeBase(ParamType): + _number_class: t.ClassVar[t.Type[t.Any]] + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + try: + return self._number_class(value) + except ValueError: + self.fail( + _("{value!r} is not a valid {number_type}.").format( + value=value, number_type=self.name + ), + param, + ctx, + ) + + +class _NumberRangeBase(_NumberParamTypeBase): + def __init__( + self, + min: t.Optional[float] = None, + max: t.Optional[float] = None, + min_open: bool = False, + max_open: bool = False, + clamp: bool = False, + ) -> None: + self.min = min + self.max = max + self.min_open = min_open + self.max_open = max_open + self.clamp = clamp + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update( + min=self.min, + max=self.max, + min_open=self.min_open, + max_open=self.max_open, + clamp=self.clamp, + ) + return info_dict + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + import operator + + rv = super().convert(value, param, ctx) + lt_min: bool = self.min is not None and ( + operator.le if self.min_open else operator.lt + )(rv, self.min) + gt_max: bool = self.max is not None and ( + operator.ge if self.max_open else operator.gt + )(rv, self.max) + + if self.clamp: + if lt_min: + return self._clamp(self.min, 1, self.min_open) # type: ignore + + if gt_max: + return self._clamp(self.max, -1, self.max_open) # type: ignore + + if lt_min or gt_max: + self.fail( + _("{value} is not in the range {range}.").format( + value=rv, range=self._describe_range() + ), + param, + ctx, + ) + + return rv + + def _clamp(self, bound: float, dir: "te.Literal[1, -1]", open: bool) -> float: + """Find the valid value to clamp to bound in the given + direction. + + :param bound: The boundary value. + :param dir: 1 or -1 indicating the direction to move. + :param open: If true, the range does not include the bound. + """ + raise NotImplementedError + + def _describe_range(self) -> str: + """Describe the range for use in help text.""" + if self.min is None: + op = "<" if self.max_open else "<=" + return f"x{op}{self.max}" + + if self.max is None: + op = ">" if self.min_open else ">=" + return f"x{op}{self.min}" + + lop = "<" if self.min_open else "<=" + rop = "<" if self.max_open else "<=" + return f"{self.min}{lop}x{rop}{self.max}" + + def __repr__(self) -> str: + clamp = " clamped" if self.clamp else "" + return f"<{type(self).__name__} {self._describe_range()}{clamp}>" + + +class IntParamType(_NumberParamTypeBase): + name = "integer" + _number_class = int + + def __repr__(self) -> str: + return "INT" + + +class IntRange(_NumberRangeBase, IntParamType): + """Restrict an :data:`click.INT` value to a range of accepted + values. See :ref:`ranges`. + + If ``min`` or ``max`` are not passed, any value is accepted in that + direction. If ``min_open`` or ``max_open`` are enabled, the + corresponding boundary is not included in the range. + + If ``clamp`` is enabled, a value outside the range is clamped to the + boundary instead of failing. + + .. versionchanged:: 8.0 + Added the ``min_open`` and ``max_open`` parameters. + """ + + name = "integer range" + + def _clamp( # type: ignore + self, bound: int, dir: "te.Literal[1, -1]", open: bool + ) -> int: + if not open: + return bound + + return bound + dir + + +class FloatParamType(_NumberParamTypeBase): + name = "float" + _number_class = float + + def __repr__(self) -> str: + return "FLOAT" + + +class FloatRange(_NumberRangeBase, FloatParamType): + """Restrict a :data:`click.FLOAT` value to a range of accepted + values. See :ref:`ranges`. + + If ``min`` or ``max`` are not passed, any value is accepted in that + direction. If ``min_open`` or ``max_open`` are enabled, the + corresponding boundary is not included in the range. + + If ``clamp`` is enabled, a value outside the range is clamped to the + boundary instead of failing. This is not supported if either + boundary is marked ``open``. + + .. versionchanged:: 8.0 + Added the ``min_open`` and ``max_open`` parameters. + """ + + name = "float range" + + def __init__( + self, + min: t.Optional[float] = None, + max: t.Optional[float] = None, + min_open: bool = False, + max_open: bool = False, + clamp: bool = False, + ) -> None: + super().__init__( + min=min, max=max, min_open=min_open, max_open=max_open, clamp=clamp + ) + + if (min_open or max_open) and clamp: + raise TypeError("Clamping is not supported for open bounds.") + + def _clamp(self, bound: float, dir: "te.Literal[1, -1]", open: bool) -> float: + if not open: + return bound + + # Could use Python 3.9's math.nextafter here, but clamping an + # open float range doesn't seem to be particularly useful. It's + # left up to the user to write a callback to do it if needed. + raise RuntimeError("Clamping is not supported for open bounds.") + + +class BoolParamType(ParamType): + name = "boolean" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + if value in {False, True}: + return bool(value) + + norm = value.strip().lower() + + if norm in {"1", "true", "t", "yes", "y", "on"}: + return True + + if norm in {"0", "false", "f", "no", "n", "off"}: + return False + + self.fail( + _("{value!r} is not a valid boolean.").format(value=value), param, ctx + ) + + def __repr__(self) -> str: + return "BOOL" + + +class UUIDParameterType(ParamType): + name = "uuid" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + import uuid + + if isinstance(value, uuid.UUID): + return value + + value = value.strip() + + try: + return uuid.UUID(value) + except ValueError: + self.fail( + _("{value!r} is not a valid UUID.").format(value=value), param, ctx + ) + + def __repr__(self) -> str: + return "UUID" + + +class File(ParamType): + """Declares a parameter to be a file for reading or writing. The file + is automatically closed once the context tears down (after the command + finished working). + + Files can be opened for reading or writing. The special value ``-`` + indicates stdin or stdout depending on the mode. + + By default, the file is opened for reading text data, but it can also be + opened in binary mode or for writing. The encoding parameter can be used + to force a specific encoding. + + The `lazy` flag controls if the file should be opened immediately or upon + first IO. The default is to be non-lazy for standard input and output + streams as well as files opened for reading, `lazy` otherwise. When opening a + file lazily for reading, it is still opened temporarily for validation, but + will not be held open until first IO. lazy is mainly useful when opening + for writing to avoid creating the file until it is needed. + + Starting with Click 2.0, files can also be opened atomically in which + case all writes go into a separate file in the same folder and upon + completion the file will be moved over to the original location. This + is useful if a file regularly read by other users is modified. + + See :ref:`file-args` for more information. + """ + + name = "filename" + envvar_list_splitter: t.ClassVar[str] = os.path.pathsep + + def __init__( + self, + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + lazy: t.Optional[bool] = None, + atomic: bool = False, + ) -> None: + self.mode = mode + self.encoding = encoding + self.errors = errors + self.lazy = lazy + self.atomic = atomic + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update(mode=self.mode, encoding=self.encoding) + return info_dict + + def resolve_lazy_flag(self, value: "t.Union[str, os.PathLike[str]]") -> bool: + if self.lazy is not None: + return self.lazy + if os.fspath(value) == "-": + return False + elif "w" in self.mode: + return True + return False + + def convert( + self, + value: t.Union[str, "os.PathLike[str]", t.IO[t.Any]], + param: t.Optional["Parameter"], + ctx: t.Optional["Context"], + ) -> t.IO[t.Any]: + if _is_file_like(value): + return value + + value = t.cast("t.Union[str, os.PathLike[str]]", value) + + try: + lazy = self.resolve_lazy_flag(value) + + if lazy: + lf = LazyFile( + value, self.mode, self.encoding, self.errors, atomic=self.atomic + ) + + if ctx is not None: + ctx.call_on_close(lf.close_intelligently) + + return t.cast(t.IO[t.Any], lf) + + f, should_close = open_stream( + value, self.mode, self.encoding, self.errors, atomic=self.atomic + ) + + # If a context is provided, we automatically close the file + # at the end of the context execution (or flush out). If a + # context does not exist, it's the caller's responsibility to + # properly close the file. This for instance happens when the + # type is used with prompts. + if ctx is not None: + if should_close: + ctx.call_on_close(safecall(f.close)) + else: + ctx.call_on_close(safecall(f.flush)) + + return f + except OSError as e: # noqa: B014 + self.fail(f"'{format_filename(value)}': {e.strerror}", param, ctx) + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Return a special completion marker that tells the completion + system to use the shell to provide file path completions. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + return [CompletionItem(incomplete, type="file")] + + +def _is_file_like(value: t.Any) -> "te.TypeGuard[t.IO[t.Any]]": + return hasattr(value, "read") or hasattr(value, "write") + + +class Path(ParamType): + """The ``Path`` type is similar to the :class:`File` type, but + returns the filename instead of an open file. Various checks can be + enabled to validate the type of file and permissions. + + :param exists: The file or directory needs to exist for the value to + be valid. If this is not set to ``True``, and the file does not + exist, then all further checks are silently skipped. + :param file_okay: Allow a file as a value. + :param dir_okay: Allow a directory as a value. + :param readable: if true, a readable check is performed. + :param writable: if true, a writable check is performed. + :param executable: if true, an executable check is performed. + :param resolve_path: Make the value absolute and resolve any + symlinks. A ``~`` is not expanded, as this is supposed to be + done by the shell only. + :param allow_dash: Allow a single dash as a value, which indicates + a standard stream (but does not open it). Use + :func:`~click.open_file` to handle opening this value. + :param path_type: Convert the incoming path value to this type. If + ``None``, keep Python's default, which is ``str``. Useful to + convert to :class:`pathlib.Path`. + + .. versionchanged:: 8.1 + Added the ``executable`` parameter. + + .. versionchanged:: 8.0 + Allow passing ``path_type=pathlib.Path``. + + .. versionchanged:: 6.0 + Added the ``allow_dash`` parameter. + """ + + envvar_list_splitter: t.ClassVar[str] = os.path.pathsep + + def __init__( + self, + exists: bool = False, + file_okay: bool = True, + dir_okay: bool = True, + writable: bool = False, + readable: bool = True, + resolve_path: bool = False, + allow_dash: bool = False, + path_type: t.Optional[t.Type[t.Any]] = None, + executable: bool = False, + ): + self.exists = exists + self.file_okay = file_okay + self.dir_okay = dir_okay + self.readable = readable + self.writable = writable + self.executable = executable + self.resolve_path = resolve_path + self.allow_dash = allow_dash + self.type = path_type + + if self.file_okay and not self.dir_okay: + self.name: str = _("file") + elif self.dir_okay and not self.file_okay: + self.name = _("directory") + else: + self.name = _("path") + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update( + exists=self.exists, + file_okay=self.file_okay, + dir_okay=self.dir_okay, + writable=self.writable, + readable=self.readable, + allow_dash=self.allow_dash, + ) + return info_dict + + def coerce_path_result( + self, value: "t.Union[str, os.PathLike[str]]" + ) -> "t.Union[str, bytes, os.PathLike[str]]": + if self.type is not None and not isinstance(value, self.type): + if self.type is str: + return os.fsdecode(value) + elif self.type is bytes: + return os.fsencode(value) + else: + return t.cast("os.PathLike[str]", self.type(value)) + + return value + + def convert( + self, + value: "t.Union[str, os.PathLike[str]]", + param: t.Optional["Parameter"], + ctx: t.Optional["Context"], + ) -> "t.Union[str, bytes, os.PathLike[str]]": + rv = value + + is_dash = self.file_okay and self.allow_dash and rv in (b"-", "-") + + if not is_dash: + if self.resolve_path: + # os.path.realpath doesn't resolve symlinks on Windows + # until Python 3.8. Use pathlib for now. + import pathlib + + rv = os.fsdecode(pathlib.Path(rv).resolve()) + + try: + st = os.stat(rv) + except OSError: + if not self.exists: + return self.coerce_path_result(rv) + self.fail( + _("{name} {filename!r} does not exist.").format( + name=self.name.title(), filename=format_filename(value) + ), + param, + ctx, + ) + + if not self.file_okay and stat.S_ISREG(st.st_mode): + self.fail( + _("{name} {filename!r} is a file.").format( + name=self.name.title(), filename=format_filename(value) + ), + param, + ctx, + ) + if not self.dir_okay and stat.S_ISDIR(st.st_mode): + self.fail( + _("{name} '{filename}' is a directory.").format( + name=self.name.title(), filename=format_filename(value) + ), + param, + ctx, + ) + + if self.readable and not os.access(rv, os.R_OK): + self.fail( + _("{name} {filename!r} is not readable.").format( + name=self.name.title(), filename=format_filename(value) + ), + param, + ctx, + ) + + if self.writable and not os.access(rv, os.W_OK): + self.fail( + _("{name} {filename!r} is not writable.").format( + name=self.name.title(), filename=format_filename(value) + ), + param, + ctx, + ) + + if self.executable and not os.access(value, os.X_OK): + self.fail( + _("{name} {filename!r} is not executable.").format( + name=self.name.title(), filename=format_filename(value) + ), + param, + ctx, + ) + + return self.coerce_path_result(rv) + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Return a special completion marker that tells the completion + system to use the shell to provide path completions for only + directories or any paths. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + type = "dir" if self.dir_okay and not self.file_okay else "file" + return [CompletionItem(incomplete, type=type)] + + +class Tuple(CompositeParamType): + """The default behavior of Click is to apply a type on a value directly. + This works well in most cases, except for when `nargs` is set to a fixed + count and different types should be used for different items. In this + case the :class:`Tuple` type can be used. This type can only be used + if `nargs` is set to a fixed number. + + For more information see :ref:`tuple-type`. + + This can be selected by using a Python tuple literal as a type. + + :param types: a list of types that should be used for the tuple items. + """ + + def __init__(self, types: t.Sequence[t.Union[t.Type[t.Any], ParamType]]) -> None: + self.types: t.Sequence[ParamType] = [convert_type(ty) for ty in types] + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["types"] = [t.to_info_dict() for t in self.types] + return info_dict + + @property + def name(self) -> str: # type: ignore + return f"<{' '.join(ty.name for ty in self.types)}>" + + @property + def arity(self) -> int: # type: ignore + return len(self.types) + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + len_type = len(self.types) + len_value = len(value) + + if len_value != len_type: + self.fail( + ngettext( + "{len_type} values are required, but {len_value} was given.", + "{len_type} values are required, but {len_value} were given.", + len_value, + ).format(len_type=len_type, len_value=len_value), + param=param, + ctx=ctx, + ) + + return tuple(ty(x, param, ctx) for ty, x in zip(self.types, value)) + + +def convert_type(ty: t.Optional[t.Any], default: t.Optional[t.Any] = None) -> ParamType: + """Find the most appropriate :class:`ParamType` for the given Python + type. If the type isn't provided, it can be inferred from a default + value. + """ + guessed_type = False + + if ty is None and default is not None: + if isinstance(default, (tuple, list)): + # If the default is empty, ty will remain None and will + # return STRING. + if default: + item = default[0] + + # A tuple of tuples needs to detect the inner types. + # Can't call convert recursively because that would + # incorrectly unwind the tuple to a single type. + if isinstance(item, (tuple, list)): + ty = tuple(map(type, item)) + else: + ty = type(item) + else: + ty = type(default) + + guessed_type = True + + if isinstance(ty, tuple): + return Tuple(ty) + + if isinstance(ty, ParamType): + return ty + + if ty is str or ty is None: + return STRING + + if ty is int: + return INT + + if ty is float: + return FLOAT + + if ty is bool: + return BOOL + + if guessed_type: + return STRING + + if __debug__: + try: + if issubclass(ty, ParamType): + raise AssertionError( + f"Attempted to use an uninstantiated parameter type ({ty})." + ) + except TypeError: + # ty is an instance (correct), so issubclass fails. + pass + + return FuncParamType(ty) + + +#: A dummy parameter type that just does nothing. From a user's +#: perspective this appears to just be the same as `STRING` but +#: internally no string conversion takes place if the input was bytes. +#: This is usually useful when working with file paths as they can +#: appear in bytes and unicode. +#: +#: For path related uses the :class:`Path` type is a better choice but +#: there are situations where an unprocessed type is useful which is why +#: it is is provided. +#: +#: .. versionadded:: 4.0 +UNPROCESSED = UnprocessedParamType() + +#: A unicode string parameter type which is the implicit default. This +#: can also be selected by using ``str`` as type. +STRING = StringParamType() + +#: An integer parameter. This can also be selected by using ``int`` as +#: type. +INT = IntParamType() + +#: A floating point value parameter. This can also be selected by using +#: ``float`` as type. +FLOAT = FloatParamType() + +#: A boolean parameter. This is the default for boolean flags. This can +#: also be selected by using ``bool`` as a type. +BOOL = BoolParamType() + +#: A UUID parameter. +UUID = UUIDParameterType() diff --git a/venv/lib/python3.12/site-packages/click/utils.py b/venv/lib/python3.12/site-packages/click/utils.py new file mode 100644 index 0000000..d536434 --- /dev/null +++ b/venv/lib/python3.12/site-packages/click/utils.py @@ -0,0 +1,624 @@ +import os +import re +import sys +import typing as t +from functools import update_wrapper +from types import ModuleType +from types import TracebackType + +from ._compat import _default_text_stderr +from ._compat import _default_text_stdout +from ._compat import _find_binary_writer +from ._compat import auto_wrap_for_ansi +from ._compat import binary_streams +from ._compat import open_stream +from ._compat import should_strip_ansi +from ._compat import strip_ansi +from ._compat import text_streams +from ._compat import WIN +from .globals import resolve_color_default + +if t.TYPE_CHECKING: + import typing_extensions as te + + P = te.ParamSpec("P") + +R = t.TypeVar("R") + + +def _posixify(name: str) -> str: + return "-".join(name.split()).lower() + + +def safecall(func: "t.Callable[P, R]") -> "t.Callable[P, t.Optional[R]]": + """Wraps a function so that it swallows exceptions.""" + + def wrapper(*args: "P.args", **kwargs: "P.kwargs") -> t.Optional[R]: + try: + return func(*args, **kwargs) + except Exception: + pass + return None + + return update_wrapper(wrapper, func) + + +def make_str(value: t.Any) -> str: + """Converts a value into a valid string.""" + if isinstance(value, bytes): + try: + return value.decode(sys.getfilesystemencoding()) + except UnicodeError: + return value.decode("utf-8", "replace") + return str(value) + + +def make_default_short_help(help: str, max_length: int = 45) -> str: + """Returns a condensed version of help string.""" + # Consider only the first paragraph. + paragraph_end = help.find("\n\n") + + if paragraph_end != -1: + help = help[:paragraph_end] + + # Collapse newlines, tabs, and spaces. + words = help.split() + + if not words: + return "" + + # The first paragraph started with a "no rewrap" marker, ignore it. + if words[0] == "\b": + words = words[1:] + + total_length = 0 + last_index = len(words) - 1 + + for i, word in enumerate(words): + total_length += len(word) + (i > 0) + + if total_length > max_length: # too long, truncate + break + + if word[-1] == ".": # sentence end, truncate without "..." + return " ".join(words[: i + 1]) + + if total_length == max_length and i != last_index: + break # not at sentence end, truncate with "..." + else: + return " ".join(words) # no truncation needed + + # Account for the length of the suffix. + total_length += len("...") + + # remove words until the length is short enough + while i > 0: + total_length -= len(words[i]) + (i > 0) + + if total_length <= max_length: + break + + i -= 1 + + return " ".join(words[:i]) + "..." + + +class LazyFile: + """A lazy file works like a regular file but it does not fully open + the file but it does perform some basic checks early to see if the + filename parameter does make sense. This is useful for safely opening + files for writing. + """ + + def __init__( + self, + filename: t.Union[str, "os.PathLike[str]"], + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + atomic: bool = False, + ): + self.name: str = os.fspath(filename) + self.mode = mode + self.encoding = encoding + self.errors = errors + self.atomic = atomic + self._f: t.Optional[t.IO[t.Any]] + self.should_close: bool + + if self.name == "-": + self._f, self.should_close = open_stream(filename, mode, encoding, errors) + else: + if "r" in mode: + # Open and close the file in case we're opening it for + # reading so that we can catch at least some errors in + # some cases early. + open(filename, mode).close() + self._f = None + self.should_close = True + + def __getattr__(self, name: str) -> t.Any: + return getattr(self.open(), name) + + def __repr__(self) -> str: + if self._f is not None: + return repr(self._f) + return f"" + + def open(self) -> t.IO[t.Any]: + """Opens the file if it's not yet open. This call might fail with + a :exc:`FileError`. Not handling this error will produce an error + that Click shows. + """ + if self._f is not None: + return self._f + try: + rv, self.should_close = open_stream( + self.name, self.mode, self.encoding, self.errors, atomic=self.atomic + ) + except OSError as e: # noqa: E402 + from .exceptions import FileError + + raise FileError(self.name, hint=e.strerror) from e + self._f = rv + return rv + + def close(self) -> None: + """Closes the underlying file, no matter what.""" + if self._f is not None: + self._f.close() + + def close_intelligently(self) -> None: + """This function only closes the file if it was opened by the lazy + file wrapper. For instance this will never close stdin. + """ + if self.should_close: + self.close() + + def __enter__(self) -> "LazyFile": + return self + + def __exit__( + self, + exc_type: t.Optional[t.Type[BaseException]], + exc_value: t.Optional[BaseException], + tb: t.Optional[TracebackType], + ) -> None: + self.close_intelligently() + + def __iter__(self) -> t.Iterator[t.AnyStr]: + self.open() + return iter(self._f) # type: ignore + + +class KeepOpenFile: + def __init__(self, file: t.IO[t.Any]) -> None: + self._file: t.IO[t.Any] = file + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._file, name) + + def __enter__(self) -> "KeepOpenFile": + return self + + def __exit__( + self, + exc_type: t.Optional[t.Type[BaseException]], + exc_value: t.Optional[BaseException], + tb: t.Optional[TracebackType], + ) -> None: + pass + + def __repr__(self) -> str: + return repr(self._file) + + def __iter__(self) -> t.Iterator[t.AnyStr]: + return iter(self._file) + + +def echo( + message: t.Optional[t.Any] = None, + file: t.Optional[t.IO[t.Any]] = None, + nl: bool = True, + err: bool = False, + color: t.Optional[bool] = None, +) -> None: + """Print a message and newline to stdout or a file. This should be + used instead of :func:`print` because it provides better support + for different data, files, and environments. + + Compared to :func:`print`, this does the following: + + - Ensures that the output encoding is not misconfigured on Linux. + - Supports Unicode in the Windows console. + - Supports writing to binary outputs, and supports writing bytes + to text outputs. + - Supports colors and styles on Windows. + - Removes ANSI color and style codes if the output does not look + like an interactive terminal. + - Always flushes the output. + + :param message: The string or bytes to output. Other objects are + converted to strings. + :param file: The file to write to. Defaults to ``stdout``. + :param err: Write to ``stderr`` instead of ``stdout``. + :param nl: Print a newline after the message. Enabled by default. + :param color: Force showing or hiding colors and other styles. By + default Click will remove color if the output does not look like + an interactive terminal. + + .. versionchanged:: 6.0 + Support Unicode output on the Windows console. Click does not + modify ``sys.stdout``, so ``sys.stdout.write()`` and ``print()`` + will still not support Unicode. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. + + .. versionadded:: 3.0 + Added the ``err`` parameter. + + .. versionchanged:: 2.0 + Support colors on Windows if colorama is installed. + """ + if file is None: + if err: + file = _default_text_stderr() + else: + file = _default_text_stdout() + + # There are no standard streams attached to write to. For example, + # pythonw on Windows. + if file is None: + return + + # Convert non bytes/text into the native string type. + if message is not None and not isinstance(message, (str, bytes, bytearray)): + out: t.Optional[t.Union[str, bytes]] = str(message) + else: + out = message + + if nl: + out = out or "" + if isinstance(out, str): + out += "\n" + else: + out += b"\n" + + if not out: + file.flush() + return + + # If there is a message and the value looks like bytes, we manually + # need to find the binary stream and write the message in there. + # This is done separately so that most stream types will work as you + # would expect. Eg: you can write to StringIO for other cases. + if isinstance(out, (bytes, bytearray)): + binary_file = _find_binary_writer(file) + + if binary_file is not None: + file.flush() + binary_file.write(out) + binary_file.flush() + return + + # ANSI style code support. For no message or bytes, nothing happens. + # When outputting to a file instead of a terminal, strip codes. + else: + color = resolve_color_default(color) + + if should_strip_ansi(file, color): + out = strip_ansi(out) + elif WIN: + if auto_wrap_for_ansi is not None: + file = auto_wrap_for_ansi(file) # type: ignore + elif not color: + out = strip_ansi(out) + + file.write(out) # type: ignore + file.flush() + + +def get_binary_stream(name: "te.Literal['stdin', 'stdout', 'stderr']") -> t.BinaryIO: + """Returns a system stream for byte processing. + + :param name: the name of the stream to open. Valid names are ``'stdin'``, + ``'stdout'`` and ``'stderr'`` + """ + opener = binary_streams.get(name) + if opener is None: + raise TypeError(f"Unknown standard stream '{name}'") + return opener() + + +def get_text_stream( + name: "te.Literal['stdin', 'stdout', 'stderr']", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", +) -> t.TextIO: + """Returns a system stream for text processing. This usually returns + a wrapped stream around a binary stream returned from + :func:`get_binary_stream` but it also can take shortcuts for already + correctly configured streams. + + :param name: the name of the stream to open. Valid names are ``'stdin'``, + ``'stdout'`` and ``'stderr'`` + :param encoding: overrides the detected default encoding. + :param errors: overrides the default error mode. + """ + opener = text_streams.get(name) + if opener is None: + raise TypeError(f"Unknown standard stream '{name}'") + return opener(encoding, errors) + + +def open_file( + filename: str, + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + lazy: bool = False, + atomic: bool = False, +) -> t.IO[t.Any]: + """Open a file, with extra behavior to handle ``'-'`` to indicate + a standard stream, lazy open on write, and atomic write. Similar to + the behavior of the :class:`~click.File` param type. + + If ``'-'`` is given to open ``stdout`` or ``stdin``, the stream is + wrapped so that using it in a context manager will not close it. + This makes it possible to use the function without accidentally + closing a standard stream: + + .. code-block:: python + + with open_file(filename) as f: + ... + + :param filename: The name of the file to open, or ``'-'`` for + ``stdin``/``stdout``. + :param mode: The mode in which to open the file. + :param encoding: The encoding to decode or encode a file opened in + text mode. + :param errors: The error handling mode. + :param lazy: Wait to open the file until it is accessed. For read + mode, the file is temporarily opened to raise access errors + early, then closed until it is read again. + :param atomic: Write to a temporary file and replace the given file + on close. + + .. versionadded:: 3.0 + """ + if lazy: + return t.cast( + t.IO[t.Any], LazyFile(filename, mode, encoding, errors, atomic=atomic) + ) + + f, should_close = open_stream(filename, mode, encoding, errors, atomic=atomic) + + if not should_close: + f = t.cast(t.IO[t.Any], KeepOpenFile(f)) + + return f + + +def format_filename( + filename: "t.Union[str, bytes, os.PathLike[str], os.PathLike[bytes]]", + shorten: bool = False, +) -> str: + """Format a filename as a string for display. Ensures the filename can be + displayed by replacing any invalid bytes or surrogate escapes in the name + with the replacement character ``�``. + + Invalid bytes or surrogate escapes will raise an error when written to a + stream with ``errors="strict". This will typically happen with ``stdout`` + when the locale is something like ``en_GB.UTF-8``. + + Many scenarios *are* safe to write surrogates though, due to PEP 538 and + PEP 540, including: + + - Writing to ``stderr``, which uses ``errors="backslashreplace"``. + - The system has ``LANG=C.UTF-8``, ``C``, or ``POSIX``. Python opens + stdout and stderr with ``errors="surrogateescape"``. + - None of ``LANG/LC_*`` are set. Python assumes ``LANG=C.UTF-8``. + - Python is started in UTF-8 mode with ``PYTHONUTF8=1`` or ``-X utf8``. + Python opens stdout and stderr with ``errors="surrogateescape"``. + + :param filename: formats a filename for UI display. This will also convert + the filename into unicode without failing. + :param shorten: this optionally shortens the filename to strip of the + path that leads up to it. + """ + if shorten: + filename = os.path.basename(filename) + else: + filename = os.fspath(filename) + + if isinstance(filename, bytes): + filename = filename.decode(sys.getfilesystemencoding(), "replace") + else: + filename = filename.encode("utf-8", "surrogateescape").decode( + "utf-8", "replace" + ) + + return filename + + +def get_app_dir(app_name: str, roaming: bool = True, force_posix: bool = False) -> str: + r"""Returns the config folder for the application. The default behavior + is to return whatever is most appropriate for the operating system. + + To give you an idea, for an app called ``"Foo Bar"``, something like + the following folders could be returned: + + Mac OS X: + ``~/Library/Application Support/Foo Bar`` + Mac OS X (POSIX): + ``~/.foo-bar`` + Unix: + ``~/.config/foo-bar`` + Unix (POSIX): + ``~/.foo-bar`` + Windows (roaming): + ``C:\Users\\AppData\Roaming\Foo Bar`` + Windows (not roaming): + ``C:\Users\\AppData\Local\Foo Bar`` + + .. versionadded:: 2.0 + + :param app_name: the application name. This should be properly capitalized + and can contain whitespace. + :param roaming: controls if the folder should be roaming or not on Windows. + Has no effect otherwise. + :param force_posix: if this is set to `True` then on any POSIX system the + folder will be stored in the home folder with a leading + dot instead of the XDG config home or darwin's + application support folder. + """ + if WIN: + key = "APPDATA" if roaming else "LOCALAPPDATA" + folder = os.environ.get(key) + if folder is None: + folder = os.path.expanduser("~") + return os.path.join(folder, app_name) + if force_posix: + return os.path.join(os.path.expanduser(f"~/.{_posixify(app_name)}")) + if sys.platform == "darwin": + return os.path.join( + os.path.expanduser("~/Library/Application Support"), app_name + ) + return os.path.join( + os.environ.get("XDG_CONFIG_HOME", os.path.expanduser("~/.config")), + _posixify(app_name), + ) + + +class PacifyFlushWrapper: + """This wrapper is used to catch and suppress BrokenPipeErrors resulting + from ``.flush()`` being called on broken pipe during the shutdown/final-GC + of the Python interpreter. Notably ``.flush()`` is always called on + ``sys.stdout`` and ``sys.stderr``. So as to have minimal impact on any + other cleanup code, and the case where the underlying file is not a broken + pipe, all calls and attributes are proxied. + """ + + def __init__(self, wrapped: t.IO[t.Any]) -> None: + self.wrapped = wrapped + + def flush(self) -> None: + try: + self.wrapped.flush() + except OSError as e: + import errno + + if e.errno != errno.EPIPE: + raise + + def __getattr__(self, attr: str) -> t.Any: + return getattr(self.wrapped, attr) + + +def _detect_program_name( + path: t.Optional[str] = None, _main: t.Optional[ModuleType] = None +) -> str: + """Determine the command used to run the program, for use in help + text. If a file or entry point was executed, the file name is + returned. If ``python -m`` was used to execute a module or package, + ``python -m name`` is returned. + + This doesn't try to be too precise, the goal is to give a concise + name for help text. Files are only shown as their name without the + path. ``python`` is only shown for modules, and the full path to + ``sys.executable`` is not shown. + + :param path: The Python file being executed. Python puts this in + ``sys.argv[0]``, which is used by default. + :param _main: The ``__main__`` module. This should only be passed + during internal testing. + + .. versionadded:: 8.0 + Based on command args detection in the Werkzeug reloader. + + :meta private: + """ + if _main is None: + _main = sys.modules["__main__"] + + if not path: + path = sys.argv[0] + + # The value of __package__ indicates how Python was called. It may + # not exist if a setuptools script is installed as an egg. It may be + # set incorrectly for entry points created with pip on Windows. + # It is set to "" inside a Shiv or PEX zipapp. + if getattr(_main, "__package__", None) in {None, ""} or ( + os.name == "nt" + and _main.__package__ == "" + and not os.path.exists(path) + and os.path.exists(f"{path}.exe") + ): + # Executed a file, like "python app.py". + return os.path.basename(path) + + # Executed a module, like "python -m example". + # Rewritten by Python from "-m script" to "/path/to/script.py". + # Need to look at main module to determine how it was executed. + py_module = t.cast(str, _main.__package__) + name = os.path.splitext(os.path.basename(path))[0] + + # A submodule like "example.cli". + if name != "__main__": + py_module = f"{py_module}.{name}" + + return f"python -m {py_module.lstrip('.')}" + + +def _expand_args( + args: t.Iterable[str], + *, + user: bool = True, + env: bool = True, + glob_recursive: bool = True, +) -> t.List[str]: + """Simulate Unix shell expansion with Python functions. + + See :func:`glob.glob`, :func:`os.path.expanduser`, and + :func:`os.path.expandvars`. + + This is intended for use on Windows, where the shell does not do any + expansion. It may not exactly match what a Unix shell would do. + + :param args: List of command line arguments to expand. + :param user: Expand user home directory. + :param env: Expand environment variables. + :param glob_recursive: ``**`` matches directories recursively. + + .. versionchanged:: 8.1 + Invalid glob patterns are treated as empty expansions rather + than raising an error. + + .. versionadded:: 8.0 + + :meta private: + """ + from glob import glob + + out = [] + + for arg in args: + if user: + arg = os.path.expanduser(arg) + + if env: + arg = os.path.expandvars(arg) + + try: + matches = glob(arg, recursive=glob_recursive) + except re.error: + matches = [] + + if not matches: + out.append(arg) + else: + out.extend(matches) + + return out diff --git a/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/LICENSE b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/LICENSE new file mode 100644 index 0000000..b11f379 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/LICENSE @@ -0,0 +1,3 @@ +This software is made available under the terms of *either* of the licenses +found in LICENSE.APACHE or LICENSE.BSD. Contributions to cryptography are made +under the terms of *both* these licenses. diff --git a/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/LICENSE.APACHE b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/LICENSE.APACHE new file mode 100644 index 0000000..62589ed --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/LICENSE.APACHE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + https://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. Neither the name of PyCA Cryptography nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/METADATA b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/METADATA new file mode 100644 index 0000000..2968b4a --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/METADATA @@ -0,0 +1,133 @@ +Metadata-Version: 2.1 +Name: cryptography +Version: 41.0.2 +Summary: cryptography is a package which provides cryptographic recipes and primitives to Python developers. +Author-email: The Python Cryptographic Authority and individual contributors +License: Apache-2.0 OR BSD-3-Clause +Project-URL: homepage, https://github.com/pyca/cryptography +Project-URL: documentation, https://cryptography.io/ +Project-URL: source, https://github.com/pyca/cryptography/ +Project-URL: issues, https://github.com/pyca/cryptography/issues +Project-URL: changelog, https://cryptography.io/en/latest/changelog/ +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Apache Software License +Classifier: License :: OSI Approved :: BSD License +Classifier: Natural Language :: English +Classifier: Operating System :: MacOS :: MacOS X +Classifier: Operating System :: POSIX +Classifier: Operating System :: POSIX :: BSD +Classifier: Operating System :: POSIX :: Linux +Classifier: Operating System :: Microsoft :: Windows +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Security :: Cryptography +Requires-Python: >=3.7 +Description-Content-Type: text/x-rst +License-File: LICENSE +License-File: LICENSE.APACHE +License-File: LICENSE.BSD +Requires-Dist: cffi (>=1.12) +Provides-Extra: docs +Requires-Dist: sphinx (>=5.3.0) ; extra == 'docs' +Requires-Dist: sphinx-rtd-theme (>=1.1.1) ; extra == 'docs' +Provides-Extra: docstest +Requires-Dist: pyenchant (>=1.6.11) ; extra == 'docstest' +Requires-Dist: twine (>=1.12.0) ; extra == 'docstest' +Requires-Dist: sphinxcontrib-spelling (>=4.0.1) ; extra == 'docstest' +Provides-Extra: nox +Requires-Dist: nox ; extra == 'nox' +Provides-Extra: pep8test +Requires-Dist: black ; extra == 'pep8test' +Requires-Dist: ruff ; extra == 'pep8test' +Requires-Dist: mypy ; extra == 'pep8test' +Requires-Dist: check-sdist ; extra == 'pep8test' +Provides-Extra: sdist +Requires-Dist: build ; extra == 'sdist' +Provides-Extra: ssh +Requires-Dist: bcrypt (>=3.1.5) ; extra == 'ssh' +Provides-Extra: test +Requires-Dist: pytest (>=6.2.0) ; extra == 'test' +Requires-Dist: pytest-benchmark ; extra == 'test' +Requires-Dist: pytest-cov ; extra == 'test' +Requires-Dist: pytest-xdist ; extra == 'test' +Requires-Dist: pretend ; extra == 'test' +Provides-Extra: test-randomorder +Requires-Dist: pytest-randomly ; extra == 'test-randomorder' + +pyca/cryptography +================= + +.. image:: https://img.shields.io/pypi/v/cryptography.svg + :target: https://pypi.org/project/cryptography/ + :alt: Latest Version + +.. image:: https://readthedocs.org/projects/cryptography/badge/?version=latest + :target: https://cryptography.io + :alt: Latest Docs + +.. image:: https://github.com/pyca/cryptography/workflows/CI/badge.svg?branch=main + :target: https://github.com/pyca/cryptography/actions?query=workflow%3ACI+branch%3Amain + + +``cryptography`` is a package which provides cryptographic recipes and +primitives to Python developers. Our goal is for it to be your "cryptographic +standard library". It supports Python 3.7+ and PyPy3 7.3.10+. + +``cryptography`` includes both high level recipes and low level interfaces to +common cryptographic algorithms such as symmetric ciphers, message digests, and +key derivation functions. For example, to encrypt something with +``cryptography``'s high level symmetric encryption recipe: + +.. code-block:: pycon + + >>> from cryptography.fernet import Fernet + >>> # Put this somewhere safe! + >>> key = Fernet.generate_key() + >>> f = Fernet(key) + >>> token = f.encrypt(b"A really secret message. Not for prying eyes.") + >>> token + b'...' + >>> f.decrypt(token) + b'A really secret message. Not for prying eyes.' + +You can find more information in the `documentation`_. + +You can install ``cryptography`` with: + +.. code-block:: console + + $ pip install cryptography + +For full details see `the installation documentation`_. + +Discussion +~~~~~~~~~~ + +If you run into bugs, you can file them in our `issue tracker`_. + +We maintain a `cryptography-dev`_ mailing list for development discussion. + +You can also join ``#pyca`` on ``irc.libera.chat`` to ask questions or get +involved. + +Security +~~~~~~~~ + +Need to report a security issue? Please consult our `security reporting`_ +documentation. + + +.. _`documentation`: https://cryptography.io/ +.. _`the installation documentation`: https://cryptography.io/en/latest/installation/ +.. _`issue tracker`: https://github.com/pyca/cryptography/issues +.. _`cryptography-dev`: https://mail.python.org/mailman/listinfo/cryptography-dev +.. _`security reporting`: https://cryptography.io/en/latest/security/ diff --git a/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/RECORD b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/RECORD new file mode 100644 index 0000000..8d486b3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/RECORD @@ -0,0 +1,173 @@ +cryptography-41.0.2.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +cryptography-41.0.2.dist-info/LICENSE,sha256=Pgx8CRqUi4JTO6mP18u0BDLW8amsv4X1ki0vmak65rs,197 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index 0000000..4f32cb7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.40.0) +Root-Is-Purelib: false +Tag: cp37-abi3-manylinux_2_28_x86_64 + diff --git a/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/top_level.txt new file mode 100644 index 0000000..0d38bc5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography-41.0.2.dist-info/top_level.txt @@ -0,0 +1 @@ +cryptography diff --git a/venv/lib/python3.12/site-packages/cryptography/__about__.py b/venv/lib/python3.12/site-packages/cryptography/__about__.py new file mode 100644 index 0000000..73b3b56 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/__about__.py @@ -0,0 +1,17 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +__all__ = [ + "__version__", + "__author__", + "__copyright__", +] + +__version__ = "41.0.2" + + +__author__ = "The Python Cryptographic Authority and individual contributors" +__copyright__ = f"Copyright 2013-2023 {__author__}" diff --git a/venv/lib/python3.12/site-packages/cryptography/__init__.py b/venv/lib/python3.12/site-packages/cryptography/__init__.py new file mode 100644 index 0000000..86b9a25 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/__init__.py @@ -0,0 +1,13 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.__about__ import __author__, __copyright__, __version__ + +__all__ = [ + "__version__", + "__author__", + "__copyright__", +] diff --git a/venv/lib/python3.12/site-packages/cryptography/__pycache__/__about__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/__pycache__/__about__.cpython-312.pyc new file mode 100644 index 0000000..42aafb6 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/__pycache__/__about__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..8894538 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/__pycache__/exceptions.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/__pycache__/exceptions.cpython-312.pyc new file mode 100644 index 0000000..9f42ff0 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/__pycache__/exceptions.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/__pycache__/fernet.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/__pycache__/fernet.cpython-312.pyc new file mode 100644 index 0000000..be1ae2c Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/__pycache__/fernet.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/__pycache__/utils.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/__pycache__/utils.cpython-312.pyc new file mode 100644 index 0000000..64cc0d7 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/__pycache__/utils.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/exceptions.py b/venv/lib/python3.12/site-packages/cryptography/exceptions.py new file mode 100644 index 0000000..47fdd18 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/exceptions.py @@ -0,0 +1,54 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.hazmat.bindings._rust import exceptions as rust_exceptions + +if typing.TYPE_CHECKING: + from cryptography.hazmat.bindings._rust import openssl as rust_openssl + +_Reasons = rust_exceptions._Reasons + + +class UnsupportedAlgorithm(Exception): + def __init__( + self, message: str, reason: typing.Optional[_Reasons] = None + ) -> None: + super().__init__(message) + self._reason = reason + + +class AlreadyFinalized(Exception): + pass + + +class AlreadyUpdated(Exception): + pass + + +class NotYetFinalized(Exception): + pass + + +class InvalidTag(Exception): + pass + + +class InvalidSignature(Exception): + pass + + +class InternalError(Exception): + def __init__( + self, msg: str, err_code: typing.List[rust_openssl.OpenSSLError] + ) -> None: + super().__init__(msg) + self.err_code = err_code + + +class InvalidKey(Exception): + pass diff --git a/venv/lib/python3.12/site-packages/cryptography/fernet.py b/venv/lib/python3.12/site-packages/cryptography/fernet.py new file mode 100644 index 0000000..ad8fb40 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/fernet.py @@ -0,0 +1,221 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import base64 +import binascii +import os +import time +import typing + +from cryptography import utils +from cryptography.exceptions import InvalidSignature +from cryptography.hazmat.primitives import hashes, padding +from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes +from cryptography.hazmat.primitives.hmac import HMAC + + +class InvalidToken(Exception): + pass + + +_MAX_CLOCK_SKEW = 60 + + +class Fernet: + def __init__( + self, + key: typing.Union[bytes, str], + backend: typing.Any = None, + ) -> None: + try: + key = base64.urlsafe_b64decode(key) + except binascii.Error as exc: + raise ValueError( + "Fernet key must be 32 url-safe base64-encoded bytes." + ) from exc + if len(key) != 32: + raise ValueError( + "Fernet key must be 32 url-safe base64-encoded bytes." + ) + + self._signing_key = key[:16] + self._encryption_key = key[16:] + + @classmethod + def generate_key(cls) -> bytes: + return base64.urlsafe_b64encode(os.urandom(32)) + + def encrypt(self, data: bytes) -> bytes: + return self.encrypt_at_time(data, int(time.time())) + + def encrypt_at_time(self, data: bytes, current_time: int) -> bytes: + iv = os.urandom(16) + return self._encrypt_from_parts(data, current_time, iv) + + def _encrypt_from_parts( + self, data: bytes, current_time: int, iv: bytes + ) -> bytes: + utils._check_bytes("data", data) + + padder = padding.PKCS7(algorithms.AES.block_size).padder() + padded_data = padder.update(data) + padder.finalize() + encryptor = Cipher( + algorithms.AES(self._encryption_key), + modes.CBC(iv), + ).encryptor() + ciphertext = encryptor.update(padded_data) + encryptor.finalize() + + basic_parts = ( + b"\x80" + + current_time.to_bytes(length=8, byteorder="big") + + iv + + ciphertext + ) + + h = HMAC(self._signing_key, hashes.SHA256()) + h.update(basic_parts) + hmac = h.finalize() + return base64.urlsafe_b64encode(basic_parts + hmac) + + def decrypt( + self, token: typing.Union[bytes, str], ttl: typing.Optional[int] = None + ) -> bytes: + timestamp, data = Fernet._get_unverified_token_data(token) + if ttl is None: + time_info = None + else: + time_info = (ttl, int(time.time())) + return self._decrypt_data(data, timestamp, time_info) + + def decrypt_at_time( + self, token: typing.Union[bytes, str], ttl: int, current_time: int + ) -> bytes: + if ttl is None: + raise ValueError( + "decrypt_at_time() can only be used with a non-None ttl" + ) + timestamp, data = Fernet._get_unverified_token_data(token) + return self._decrypt_data(data, timestamp, (ttl, current_time)) + + def extract_timestamp(self, token: typing.Union[bytes, str]) -> int: + timestamp, data = Fernet._get_unverified_token_data(token) + # Verify the token was not tampered with. + self._verify_signature(data) + return timestamp + + @staticmethod + def _get_unverified_token_data( + token: typing.Union[bytes, str] + ) -> typing.Tuple[int, bytes]: + if not isinstance(token, (str, bytes)): + raise TypeError("token must be bytes or str") + + try: + data = base64.urlsafe_b64decode(token) + except (TypeError, binascii.Error): + raise InvalidToken + + if not data or data[0] != 0x80: + raise InvalidToken + + if len(data) < 9: + raise InvalidToken + + timestamp = int.from_bytes(data[1:9], byteorder="big") + return timestamp, data + + def _verify_signature(self, data: bytes) -> None: + h = HMAC(self._signing_key, hashes.SHA256()) + h.update(data[:-32]) + try: + h.verify(data[-32:]) + except InvalidSignature: + raise InvalidToken + + def _decrypt_data( + self, + data: bytes, + timestamp: int, + time_info: typing.Optional[typing.Tuple[int, int]], + ) -> bytes: + if time_info is not None: + ttl, current_time = time_info + if timestamp + ttl < current_time: + raise InvalidToken + + if current_time + _MAX_CLOCK_SKEW < timestamp: + raise InvalidToken + + self._verify_signature(data) + + iv = data[9:25] + ciphertext = data[25:-32] + decryptor = Cipher( + algorithms.AES(self._encryption_key), modes.CBC(iv) + ).decryptor() + plaintext_padded = decryptor.update(ciphertext) + try: + plaintext_padded += decryptor.finalize() + except ValueError: + raise InvalidToken + unpadder = padding.PKCS7(algorithms.AES.block_size).unpadder() + + unpadded = unpadder.update(plaintext_padded) + try: + unpadded += unpadder.finalize() + except ValueError: + raise InvalidToken + return unpadded + + +class MultiFernet: + def __init__(self, fernets: typing.Iterable[Fernet]): + fernets = list(fernets) + if not fernets: + raise ValueError( + "MultiFernet requires at least one Fernet instance" + ) + self._fernets = fernets + + def encrypt(self, msg: bytes) -> bytes: + return self.encrypt_at_time(msg, int(time.time())) + + def encrypt_at_time(self, msg: bytes, current_time: int) -> bytes: + return self._fernets[0].encrypt_at_time(msg, current_time) + + def rotate(self, msg: typing.Union[bytes, str]) -> bytes: + timestamp, data = Fernet._get_unverified_token_data(msg) + for f in self._fernets: + try: + p = f._decrypt_data(data, timestamp, None) + break + except InvalidToken: + pass + else: + raise InvalidToken + + iv = os.urandom(16) + return self._fernets[0]._encrypt_from_parts(p, timestamp, iv) + + def decrypt( + self, msg: typing.Union[bytes, str], ttl: typing.Optional[int] = None + ) -> bytes: + for f in self._fernets: + try: + return f.decrypt(msg, ttl) + except InvalidToken: + pass + raise InvalidToken + + def decrypt_at_time( + self, msg: typing.Union[bytes, str], ttl: int, current_time: int + ) -> bytes: + for f in self._fernets: + try: + return f.decrypt_at_time(msg, ttl, current_time) + except InvalidToken: + pass + raise InvalidToken diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/__init__.py new file mode 100644 index 0000000..b9f1187 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/__init__.py @@ -0,0 +1,13 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +""" +Hazardous Materials + +This is a "Hazardous Materials" module. You should ONLY use it if you're +100% absolutely sure that you know what you're doing because this module +is full of land mines, dragons, and dinosaurs with laser guns. +""" diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..3618b3d Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/__pycache__/_oid.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/__pycache__/_oid.cpython-312.pyc new file mode 100644 index 0000000..5b7ccba Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/__pycache__/_oid.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/_oid.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/_oid.py new file mode 100644 index 0000000..01d4b34 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/_oid.py @@ -0,0 +1,299 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.hazmat.bindings._rust import ( + ObjectIdentifier as ObjectIdentifier, +) +from cryptography.hazmat.primitives import hashes + + +class ExtensionOID: + SUBJECT_DIRECTORY_ATTRIBUTES = ObjectIdentifier("2.5.29.9") + SUBJECT_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.14") + KEY_USAGE = ObjectIdentifier("2.5.29.15") + SUBJECT_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.17") + ISSUER_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.18") + BASIC_CONSTRAINTS = ObjectIdentifier("2.5.29.19") + NAME_CONSTRAINTS = ObjectIdentifier("2.5.29.30") + CRL_DISTRIBUTION_POINTS = ObjectIdentifier("2.5.29.31") + CERTIFICATE_POLICIES = ObjectIdentifier("2.5.29.32") + POLICY_MAPPINGS = ObjectIdentifier("2.5.29.33") + AUTHORITY_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.35") + POLICY_CONSTRAINTS = ObjectIdentifier("2.5.29.36") + EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37") + FRESHEST_CRL = ObjectIdentifier("2.5.29.46") + INHIBIT_ANY_POLICY = ObjectIdentifier("2.5.29.54") + ISSUING_DISTRIBUTION_POINT = ObjectIdentifier("2.5.29.28") + AUTHORITY_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.1") + SUBJECT_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.11") + OCSP_NO_CHECK = ObjectIdentifier("1.3.6.1.5.5.7.48.1.5") + TLS_FEATURE = ObjectIdentifier("1.3.6.1.5.5.7.1.24") + CRL_NUMBER = ObjectIdentifier("2.5.29.20") + DELTA_CRL_INDICATOR = ObjectIdentifier("2.5.29.27") + PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS = ObjectIdentifier( + "1.3.6.1.4.1.11129.2.4.2" + ) + PRECERT_POISON = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.3") + SIGNED_CERTIFICATE_TIMESTAMPS = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.5") + MS_CERTIFICATE_TEMPLATE = ObjectIdentifier("1.3.6.1.4.1.311.21.7") + + +class OCSPExtensionOID: + NONCE = ObjectIdentifier("1.3.6.1.5.5.7.48.1.2") + ACCEPTABLE_RESPONSES = ObjectIdentifier("1.3.6.1.5.5.7.48.1.4") + + +class CRLEntryExtensionOID: + CERTIFICATE_ISSUER = ObjectIdentifier("2.5.29.29") + CRL_REASON = ObjectIdentifier("2.5.29.21") + INVALIDITY_DATE = ObjectIdentifier("2.5.29.24") + + +class NameOID: + COMMON_NAME = ObjectIdentifier("2.5.4.3") + COUNTRY_NAME = ObjectIdentifier("2.5.4.6") + LOCALITY_NAME = ObjectIdentifier("2.5.4.7") + STATE_OR_PROVINCE_NAME = ObjectIdentifier("2.5.4.8") + STREET_ADDRESS = ObjectIdentifier("2.5.4.9") + ORGANIZATION_NAME = ObjectIdentifier("2.5.4.10") + ORGANIZATIONAL_UNIT_NAME = ObjectIdentifier("2.5.4.11") + SERIAL_NUMBER = ObjectIdentifier("2.5.4.5") + SURNAME = ObjectIdentifier("2.5.4.4") + GIVEN_NAME = ObjectIdentifier("2.5.4.42") + TITLE = ObjectIdentifier("2.5.4.12") + INITIALS = ObjectIdentifier("2.5.4.43") + GENERATION_QUALIFIER = ObjectIdentifier("2.5.4.44") + X500_UNIQUE_IDENTIFIER = ObjectIdentifier("2.5.4.45") + DN_QUALIFIER = ObjectIdentifier("2.5.4.46") + PSEUDONYM = ObjectIdentifier("2.5.4.65") + USER_ID = ObjectIdentifier("0.9.2342.19200300.100.1.1") + DOMAIN_COMPONENT = ObjectIdentifier("0.9.2342.19200300.100.1.25") + EMAIL_ADDRESS = ObjectIdentifier("1.2.840.113549.1.9.1") + JURISDICTION_COUNTRY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.3") + JURISDICTION_LOCALITY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.1") + JURISDICTION_STATE_OR_PROVINCE_NAME = ObjectIdentifier( + "1.3.6.1.4.1.311.60.2.1.2" + ) + BUSINESS_CATEGORY = ObjectIdentifier("2.5.4.15") + POSTAL_ADDRESS = ObjectIdentifier("2.5.4.16") + POSTAL_CODE = ObjectIdentifier("2.5.4.17") + INN = ObjectIdentifier("1.2.643.3.131.1.1") + OGRN = ObjectIdentifier("1.2.643.100.1") + SNILS = ObjectIdentifier("1.2.643.100.3") + UNSTRUCTURED_NAME = ObjectIdentifier("1.2.840.113549.1.9.2") + + +class SignatureAlgorithmOID: + RSA_WITH_MD5 = ObjectIdentifier("1.2.840.113549.1.1.4") + RSA_WITH_SHA1 = ObjectIdentifier("1.2.840.113549.1.1.5") + # This is an alternate OID for RSA with SHA1 that is occasionally seen + _RSA_WITH_SHA1 = ObjectIdentifier("1.3.14.3.2.29") + RSA_WITH_SHA224 = ObjectIdentifier("1.2.840.113549.1.1.14") + RSA_WITH_SHA256 = ObjectIdentifier("1.2.840.113549.1.1.11") + RSA_WITH_SHA384 = ObjectIdentifier("1.2.840.113549.1.1.12") + RSA_WITH_SHA512 = ObjectIdentifier("1.2.840.113549.1.1.13") + RSA_WITH_SHA3_224 = ObjectIdentifier("2.16.840.1.101.3.4.3.13") + RSA_WITH_SHA3_256 = ObjectIdentifier("2.16.840.1.101.3.4.3.14") + RSA_WITH_SHA3_384 = ObjectIdentifier("2.16.840.1.101.3.4.3.15") + RSA_WITH_SHA3_512 = ObjectIdentifier("2.16.840.1.101.3.4.3.16") + RSASSA_PSS = ObjectIdentifier("1.2.840.113549.1.1.10") + ECDSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10045.4.1") + ECDSA_WITH_SHA224 = ObjectIdentifier("1.2.840.10045.4.3.1") + ECDSA_WITH_SHA256 = ObjectIdentifier("1.2.840.10045.4.3.2") + ECDSA_WITH_SHA384 = ObjectIdentifier("1.2.840.10045.4.3.3") + ECDSA_WITH_SHA512 = ObjectIdentifier("1.2.840.10045.4.3.4") + ECDSA_WITH_SHA3_224 = ObjectIdentifier("2.16.840.1.101.3.4.3.9") + ECDSA_WITH_SHA3_256 = ObjectIdentifier("2.16.840.1.101.3.4.3.10") + ECDSA_WITH_SHA3_384 = ObjectIdentifier("2.16.840.1.101.3.4.3.11") + ECDSA_WITH_SHA3_512 = ObjectIdentifier("2.16.840.1.101.3.4.3.12") + DSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10040.4.3") + DSA_WITH_SHA224 = ObjectIdentifier("2.16.840.1.101.3.4.3.1") + DSA_WITH_SHA256 = ObjectIdentifier("2.16.840.1.101.3.4.3.2") + DSA_WITH_SHA384 = ObjectIdentifier("2.16.840.1.101.3.4.3.3") + DSA_WITH_SHA512 = ObjectIdentifier("2.16.840.1.101.3.4.3.4") + ED25519 = ObjectIdentifier("1.3.101.112") + ED448 = ObjectIdentifier("1.3.101.113") + GOSTR3411_94_WITH_3410_2001 = ObjectIdentifier("1.2.643.2.2.3") + GOSTR3410_2012_WITH_3411_2012_256 = ObjectIdentifier("1.2.643.7.1.1.3.2") + GOSTR3410_2012_WITH_3411_2012_512 = ObjectIdentifier("1.2.643.7.1.1.3.3") + + +_SIG_OIDS_TO_HASH: typing.Dict[ + ObjectIdentifier, typing.Optional[hashes.HashAlgorithm] +] = { + SignatureAlgorithmOID.RSA_WITH_MD5: hashes.MD5(), + SignatureAlgorithmOID.RSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID._RSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID.RSA_WITH_SHA224: hashes.SHA224(), + SignatureAlgorithmOID.RSA_WITH_SHA256: hashes.SHA256(), + SignatureAlgorithmOID.RSA_WITH_SHA384: hashes.SHA384(), + SignatureAlgorithmOID.RSA_WITH_SHA512: hashes.SHA512(), + SignatureAlgorithmOID.RSA_WITH_SHA3_224: hashes.SHA3_224(), + SignatureAlgorithmOID.RSA_WITH_SHA3_256: hashes.SHA3_256(), + SignatureAlgorithmOID.RSA_WITH_SHA3_384: hashes.SHA3_384(), + SignatureAlgorithmOID.RSA_WITH_SHA3_512: hashes.SHA3_512(), + SignatureAlgorithmOID.ECDSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID.ECDSA_WITH_SHA224: hashes.SHA224(), + SignatureAlgorithmOID.ECDSA_WITH_SHA256: hashes.SHA256(), + SignatureAlgorithmOID.ECDSA_WITH_SHA384: hashes.SHA384(), + SignatureAlgorithmOID.ECDSA_WITH_SHA512: hashes.SHA512(), + SignatureAlgorithmOID.ECDSA_WITH_SHA3_224: hashes.SHA3_224(), + SignatureAlgorithmOID.ECDSA_WITH_SHA3_256: hashes.SHA3_256(), + SignatureAlgorithmOID.ECDSA_WITH_SHA3_384: hashes.SHA3_384(), + SignatureAlgorithmOID.ECDSA_WITH_SHA3_512: hashes.SHA3_512(), + SignatureAlgorithmOID.DSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID.DSA_WITH_SHA224: hashes.SHA224(), + SignatureAlgorithmOID.DSA_WITH_SHA256: hashes.SHA256(), + SignatureAlgorithmOID.ED25519: None, + SignatureAlgorithmOID.ED448: None, + SignatureAlgorithmOID.GOSTR3411_94_WITH_3410_2001: None, + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_256: None, + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_512: None, +} + + +class ExtendedKeyUsageOID: + SERVER_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.1") + CLIENT_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.2") + CODE_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.3") + EMAIL_PROTECTION = ObjectIdentifier("1.3.6.1.5.5.7.3.4") + TIME_STAMPING = ObjectIdentifier("1.3.6.1.5.5.7.3.8") + OCSP_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.9") + ANY_EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37.0") + SMARTCARD_LOGON = ObjectIdentifier("1.3.6.1.4.1.311.20.2.2") + KERBEROS_PKINIT_KDC = ObjectIdentifier("1.3.6.1.5.2.3.5") + IPSEC_IKE = ObjectIdentifier("1.3.6.1.5.5.7.3.17") + CERTIFICATE_TRANSPARENCY = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.4") + + +class AuthorityInformationAccessOID: + CA_ISSUERS = ObjectIdentifier("1.3.6.1.5.5.7.48.2") + OCSP = ObjectIdentifier("1.3.6.1.5.5.7.48.1") + + +class SubjectInformationAccessOID: + CA_REPOSITORY = ObjectIdentifier("1.3.6.1.5.5.7.48.5") + + +class CertificatePoliciesOID: + CPS_QUALIFIER = ObjectIdentifier("1.3.6.1.5.5.7.2.1") + CPS_USER_NOTICE = ObjectIdentifier("1.3.6.1.5.5.7.2.2") + ANY_POLICY = ObjectIdentifier("2.5.29.32.0") + + +class AttributeOID: + CHALLENGE_PASSWORD = ObjectIdentifier("1.2.840.113549.1.9.7") + UNSTRUCTURED_NAME = ObjectIdentifier("1.2.840.113549.1.9.2") + + +_OID_NAMES = { + NameOID.COMMON_NAME: "commonName", + NameOID.COUNTRY_NAME: "countryName", + NameOID.LOCALITY_NAME: "localityName", + NameOID.STATE_OR_PROVINCE_NAME: "stateOrProvinceName", + NameOID.STREET_ADDRESS: "streetAddress", + NameOID.ORGANIZATION_NAME: "organizationName", + NameOID.ORGANIZATIONAL_UNIT_NAME: "organizationalUnitName", + NameOID.SERIAL_NUMBER: "serialNumber", + NameOID.SURNAME: "surname", + NameOID.GIVEN_NAME: "givenName", + NameOID.TITLE: "title", + NameOID.GENERATION_QUALIFIER: "generationQualifier", + NameOID.X500_UNIQUE_IDENTIFIER: "x500UniqueIdentifier", + NameOID.DN_QUALIFIER: "dnQualifier", + NameOID.PSEUDONYM: "pseudonym", + NameOID.USER_ID: "userID", + NameOID.DOMAIN_COMPONENT: "domainComponent", + NameOID.EMAIL_ADDRESS: "emailAddress", + NameOID.JURISDICTION_COUNTRY_NAME: "jurisdictionCountryName", + NameOID.JURISDICTION_LOCALITY_NAME: "jurisdictionLocalityName", + NameOID.JURISDICTION_STATE_OR_PROVINCE_NAME: ( + "jurisdictionStateOrProvinceName" + ), + NameOID.BUSINESS_CATEGORY: "businessCategory", + NameOID.POSTAL_ADDRESS: "postalAddress", + NameOID.POSTAL_CODE: "postalCode", + NameOID.INN: "INN", + NameOID.OGRN: "OGRN", + NameOID.SNILS: "SNILS", + NameOID.UNSTRUCTURED_NAME: "unstructuredName", + SignatureAlgorithmOID.RSA_WITH_MD5: "md5WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA1: "sha1WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA224: "sha224WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA256: "sha256WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA384: "sha384WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA512: "sha512WithRSAEncryption", + SignatureAlgorithmOID.RSASSA_PSS: "RSASSA-PSS", + SignatureAlgorithmOID.ECDSA_WITH_SHA1: "ecdsa-with-SHA1", + SignatureAlgorithmOID.ECDSA_WITH_SHA224: "ecdsa-with-SHA224", + SignatureAlgorithmOID.ECDSA_WITH_SHA256: "ecdsa-with-SHA256", + SignatureAlgorithmOID.ECDSA_WITH_SHA384: "ecdsa-with-SHA384", + SignatureAlgorithmOID.ECDSA_WITH_SHA512: "ecdsa-with-SHA512", + SignatureAlgorithmOID.DSA_WITH_SHA1: "dsa-with-sha1", + SignatureAlgorithmOID.DSA_WITH_SHA224: "dsa-with-sha224", + SignatureAlgorithmOID.DSA_WITH_SHA256: "dsa-with-sha256", + SignatureAlgorithmOID.ED25519: "ed25519", + SignatureAlgorithmOID.ED448: "ed448", + SignatureAlgorithmOID.GOSTR3411_94_WITH_3410_2001: ( + "GOST R 34.11-94 with GOST R 34.10-2001" + ), + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_256: ( + "GOST R 34.10-2012 with GOST R 34.11-2012 (256 bit)" + ), + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_512: ( + "GOST R 34.10-2012 with GOST R 34.11-2012 (512 bit)" + ), + ExtendedKeyUsageOID.SERVER_AUTH: "serverAuth", + ExtendedKeyUsageOID.CLIENT_AUTH: "clientAuth", + ExtendedKeyUsageOID.CODE_SIGNING: "codeSigning", + ExtendedKeyUsageOID.EMAIL_PROTECTION: "emailProtection", + ExtendedKeyUsageOID.TIME_STAMPING: "timeStamping", + ExtendedKeyUsageOID.OCSP_SIGNING: "OCSPSigning", + ExtendedKeyUsageOID.SMARTCARD_LOGON: "msSmartcardLogin", + ExtendedKeyUsageOID.KERBEROS_PKINIT_KDC: "pkInitKDC", + ExtensionOID.SUBJECT_DIRECTORY_ATTRIBUTES: "subjectDirectoryAttributes", + ExtensionOID.SUBJECT_KEY_IDENTIFIER: "subjectKeyIdentifier", + ExtensionOID.KEY_USAGE: "keyUsage", + ExtensionOID.SUBJECT_ALTERNATIVE_NAME: "subjectAltName", + ExtensionOID.ISSUER_ALTERNATIVE_NAME: "issuerAltName", + ExtensionOID.BASIC_CONSTRAINTS: "basicConstraints", + ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS: ( + "signedCertificateTimestampList" + ), + ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS: ( + "signedCertificateTimestampList" + ), + ExtensionOID.PRECERT_POISON: "ctPoison", + ExtensionOID.MS_CERTIFICATE_TEMPLATE: "msCertificateTemplate", + CRLEntryExtensionOID.CRL_REASON: "cRLReason", + CRLEntryExtensionOID.INVALIDITY_DATE: "invalidityDate", + CRLEntryExtensionOID.CERTIFICATE_ISSUER: "certificateIssuer", + ExtensionOID.NAME_CONSTRAINTS: "nameConstraints", + ExtensionOID.CRL_DISTRIBUTION_POINTS: "cRLDistributionPoints", + ExtensionOID.CERTIFICATE_POLICIES: "certificatePolicies", + ExtensionOID.POLICY_MAPPINGS: "policyMappings", + ExtensionOID.AUTHORITY_KEY_IDENTIFIER: "authorityKeyIdentifier", + ExtensionOID.POLICY_CONSTRAINTS: "policyConstraints", + ExtensionOID.EXTENDED_KEY_USAGE: "extendedKeyUsage", + ExtensionOID.FRESHEST_CRL: "freshestCRL", + ExtensionOID.INHIBIT_ANY_POLICY: "inhibitAnyPolicy", + ExtensionOID.ISSUING_DISTRIBUTION_POINT: ("issuingDistributionPoint"), + ExtensionOID.AUTHORITY_INFORMATION_ACCESS: "authorityInfoAccess", + ExtensionOID.SUBJECT_INFORMATION_ACCESS: "subjectInfoAccess", + ExtensionOID.OCSP_NO_CHECK: "OCSPNoCheck", + ExtensionOID.CRL_NUMBER: "cRLNumber", + ExtensionOID.DELTA_CRL_INDICATOR: "deltaCRLIndicator", + ExtensionOID.TLS_FEATURE: "TLSFeature", + AuthorityInformationAccessOID.OCSP: "OCSP", + AuthorityInformationAccessOID.CA_ISSUERS: "caIssuers", + SubjectInformationAccessOID.CA_REPOSITORY: "caRepository", + CertificatePoliciesOID.CPS_QUALIFIER: "id-qt-cps", + CertificatePoliciesOID.CPS_USER_NOTICE: "id-qt-unotice", + OCSPExtensionOID.NONCE: "OCSPNonce", + AttributeOID.CHALLENGE_PASSWORD: "challengePassword", +} diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/__init__.py new file mode 100644 index 0000000..b4400aa --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/__init__.py @@ -0,0 +1,13 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from typing import Any + + +def default_backend() -> Any: + from cryptography.hazmat.backends.openssl.backend import backend + + return backend diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..87e5cc8 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__init__.py new file mode 100644 index 0000000..51b0447 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__init__.py @@ -0,0 +1,9 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.hazmat.backends.openssl.backend import backend + +__all__ = ["backend"] diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..a8c8aaf Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/aead.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/aead.cpython-312.pyc new file mode 100644 index 0000000..0f0a448 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/aead.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/backend.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/backend.cpython-312.pyc new file mode 100644 index 0000000..796a395 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/backend.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/ciphers.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/ciphers.cpython-312.pyc new file mode 100644 index 0000000..cc2a482 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/ciphers.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/cmac.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/cmac.cpython-312.pyc new file mode 100644 index 0000000..9523e97 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/cmac.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/decode_asn1.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/decode_asn1.cpython-312.pyc new file mode 100644 index 0000000..ebbb9e8 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/decode_asn1.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/ec.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/ec.cpython-312.pyc new file mode 100644 index 0000000..cba722a Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/ec.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/rsa.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/rsa.cpython-312.pyc new file mode 100644 index 0000000..f929fce Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/rsa.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/utils.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/utils.cpython-312.pyc new file mode 100644 index 0000000..4b347da Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/__pycache__/utils.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/aead.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/aead.py new file mode 100644 index 0000000..b36f535 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/aead.py @@ -0,0 +1,527 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.exceptions import InvalidTag + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.backend import Backend + from cryptography.hazmat.primitives.ciphers.aead import ( + AESCCM, + AESGCM, + AESOCB3, + AESSIV, + ChaCha20Poly1305, + ) + + _AEADTypes = typing.Union[ + AESCCM, AESGCM, AESOCB3, AESSIV, ChaCha20Poly1305 + ] + + +def _is_evp_aead_supported_cipher( + backend: Backend, cipher: _AEADTypes +) -> bool: + """ + Checks whether the given cipher is supported through + EVP_AEAD rather than the normal OpenSSL EVP_CIPHER API. + """ + from cryptography.hazmat.primitives.ciphers.aead import ChaCha20Poly1305 + + return backend._lib.Cryptography_HAS_EVP_AEAD and isinstance( + cipher, ChaCha20Poly1305 + ) + + +def _aead_cipher_supported(backend: Backend, cipher: _AEADTypes) -> bool: + if _is_evp_aead_supported_cipher(backend, cipher): + return True + else: + cipher_name = _evp_cipher_cipher_name(cipher) + if backend._fips_enabled and cipher_name not in backend._fips_aead: + return False + # SIV isn't loaded through get_cipherbyname but instead a new fetch API + # only available in 3.0+. But if we know we're on 3.0+ then we know + # it's supported. + if cipher_name.endswith(b"-siv"): + return backend._lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER == 1 + else: + return ( + backend._lib.EVP_get_cipherbyname(cipher_name) + != backend._ffi.NULL + ) + + +def _aead_create_ctx( + backend: Backend, + cipher: _AEADTypes, + key: bytes, +): + if _is_evp_aead_supported_cipher(backend, cipher): + return _evp_aead_create_ctx(backend, cipher, key) + else: + return _evp_cipher_create_ctx(backend, cipher, key) + + +def _encrypt( + backend: Backend, + cipher: _AEADTypes, + nonce: bytes, + data: bytes, + associated_data: typing.List[bytes], + tag_length: int, + ctx: typing.Any = None, +) -> bytes: + if _is_evp_aead_supported_cipher(backend, cipher): + return _evp_aead_encrypt( + backend, cipher, nonce, data, associated_data, tag_length, ctx + ) + else: + return _evp_cipher_encrypt( + backend, cipher, nonce, data, associated_data, tag_length, ctx + ) + + +def _decrypt( + backend: Backend, + cipher: _AEADTypes, + nonce: bytes, + data: bytes, + associated_data: typing.List[bytes], + tag_length: int, + ctx: typing.Any = None, +) -> bytes: + if _is_evp_aead_supported_cipher(backend, cipher): + return _evp_aead_decrypt( + backend, cipher, nonce, data, associated_data, tag_length, ctx + ) + else: + return _evp_cipher_decrypt( + backend, cipher, nonce, data, associated_data, tag_length, ctx + ) + + +def _evp_aead_create_ctx( + backend: Backend, + cipher: _AEADTypes, + key: bytes, + tag_len: typing.Optional[int] = None, +): + aead_cipher = _evp_aead_get_cipher(backend, cipher) + assert aead_cipher is not None + key_ptr = backend._ffi.from_buffer(key) + tag_len = ( + backend._lib.EVP_AEAD_DEFAULT_TAG_LENGTH + if tag_len is None + else tag_len + ) + ctx = backend._lib.Cryptography_EVP_AEAD_CTX_new( + aead_cipher, key_ptr, len(key), tag_len + ) + backend.openssl_assert(ctx != backend._ffi.NULL) + ctx = backend._ffi.gc(ctx, backend._lib.EVP_AEAD_CTX_free) + return ctx + + +def _evp_aead_get_cipher(backend: Backend, cipher: _AEADTypes): + from cryptography.hazmat.primitives.ciphers.aead import ( + ChaCha20Poly1305, + ) + + # Currently only ChaCha20-Poly1305 is supported using this API + assert isinstance(cipher, ChaCha20Poly1305) + return backend._lib.EVP_aead_chacha20_poly1305() + + +def _evp_aead_encrypt( + backend: Backend, + cipher: _AEADTypes, + nonce: bytes, + data: bytes, + associated_data: typing.List[bytes], + tag_length: int, + ctx: typing.Any, +) -> bytes: + assert ctx is not None + + aead_cipher = _evp_aead_get_cipher(backend, cipher) + assert aead_cipher is not None + + out_len = backend._ffi.new("size_t *") + # max_out_len should be in_len plus the result of + # EVP_AEAD_max_overhead. + max_out_len = len(data) + backend._lib.EVP_AEAD_max_overhead(aead_cipher) + out_buf = backend._ffi.new("uint8_t[]", max_out_len) + data_ptr = backend._ffi.from_buffer(data) + nonce_ptr = backend._ffi.from_buffer(nonce) + aad = b"".join(associated_data) + aad_ptr = backend._ffi.from_buffer(aad) + + res = backend._lib.EVP_AEAD_CTX_seal( + ctx, + out_buf, + out_len, + max_out_len, + nonce_ptr, + len(nonce), + data_ptr, + len(data), + aad_ptr, + len(aad), + ) + backend.openssl_assert(res == 1) + encrypted_data = backend._ffi.buffer(out_buf, out_len[0])[:] + return encrypted_data + + +def _evp_aead_decrypt( + backend: Backend, + cipher: _AEADTypes, + nonce: bytes, + data: bytes, + associated_data: typing.List[bytes], + tag_length: int, + ctx: typing.Any, +) -> bytes: + if len(data) < tag_length: + raise InvalidTag + + assert ctx is not None + + out_len = backend._ffi.new("size_t *") + # max_out_len should at least in_len + max_out_len = len(data) + out_buf = backend._ffi.new("uint8_t[]", max_out_len) + data_ptr = backend._ffi.from_buffer(data) + nonce_ptr = backend._ffi.from_buffer(nonce) + aad = b"".join(associated_data) + aad_ptr = backend._ffi.from_buffer(aad) + + res = backend._lib.EVP_AEAD_CTX_open( + ctx, + out_buf, + out_len, + max_out_len, + nonce_ptr, + len(nonce), + data_ptr, + len(data), + aad_ptr, + len(aad), + ) + + if res == 0: + backend._consume_errors() + raise InvalidTag + + decrypted_data = backend._ffi.buffer(out_buf, out_len[0])[:] + return decrypted_data + + +_ENCRYPT = 1 +_DECRYPT = 0 + + +def _evp_cipher_cipher_name(cipher: _AEADTypes) -> bytes: + from cryptography.hazmat.primitives.ciphers.aead import ( + AESCCM, + AESGCM, + AESOCB3, + AESSIV, + ChaCha20Poly1305, + ) + + if isinstance(cipher, ChaCha20Poly1305): + return b"chacha20-poly1305" + elif isinstance(cipher, AESCCM): + return f"aes-{len(cipher._key) * 8}-ccm".encode("ascii") + elif isinstance(cipher, AESOCB3): + return f"aes-{len(cipher._key) * 8}-ocb".encode("ascii") + elif isinstance(cipher, AESSIV): + return f"aes-{len(cipher._key) * 8 // 2}-siv".encode("ascii") + else: + assert isinstance(cipher, AESGCM) + return f"aes-{len(cipher._key) * 8}-gcm".encode("ascii") + + +def _evp_cipher(cipher_name: bytes, backend: Backend): + if cipher_name.endswith(b"-siv"): + evp_cipher = backend._lib.EVP_CIPHER_fetch( + backend._ffi.NULL, + cipher_name, + backend._ffi.NULL, + ) + backend.openssl_assert(evp_cipher != backend._ffi.NULL) + evp_cipher = backend._ffi.gc(evp_cipher, backend._lib.EVP_CIPHER_free) + else: + evp_cipher = backend._lib.EVP_get_cipherbyname(cipher_name) + backend.openssl_assert(evp_cipher != backend._ffi.NULL) + + return evp_cipher + + +def _evp_cipher_create_ctx( + backend: Backend, + cipher: _AEADTypes, + key: bytes, +): + ctx = backend._lib.EVP_CIPHER_CTX_new() + backend.openssl_assert(ctx != backend._ffi.NULL) + ctx = backend._ffi.gc(ctx, backend._lib.EVP_CIPHER_CTX_free) + cipher_name = _evp_cipher_cipher_name(cipher) + evp_cipher = _evp_cipher(cipher_name, backend) + key_ptr = backend._ffi.from_buffer(key) + res = backend._lib.EVP_CipherInit_ex( + ctx, + evp_cipher, + backend._ffi.NULL, + key_ptr, + backend._ffi.NULL, + 0, + ) + backend.openssl_assert(res != 0) + return ctx + + +def _evp_cipher_aead_setup( + backend: Backend, + cipher_name: bytes, + key: bytes, + nonce: bytes, + tag: typing.Optional[bytes], + tag_len: int, + operation: int, +): + evp_cipher = _evp_cipher(cipher_name, backend) + ctx = backend._lib.EVP_CIPHER_CTX_new() + ctx = backend._ffi.gc(ctx, backend._lib.EVP_CIPHER_CTX_free) + res = backend._lib.EVP_CipherInit_ex( + ctx, + evp_cipher, + backend._ffi.NULL, + backend._ffi.NULL, + backend._ffi.NULL, + int(operation == _ENCRYPT), + ) + backend.openssl_assert(res != 0) + # CCM requires the IVLEN to be set before calling SET_TAG on decrypt + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, + backend._lib.EVP_CTRL_AEAD_SET_IVLEN, + len(nonce), + backend._ffi.NULL, + ) + backend.openssl_assert(res != 0) + if operation == _DECRYPT: + assert tag is not None + _evp_cipher_set_tag(backend, ctx, tag) + elif cipher_name.endswith(b"-ccm"): + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, + backend._lib.EVP_CTRL_AEAD_SET_TAG, + tag_len, + backend._ffi.NULL, + ) + backend.openssl_assert(res != 0) + + nonce_ptr = backend._ffi.from_buffer(nonce) + key_ptr = backend._ffi.from_buffer(key) + res = backend._lib.EVP_CipherInit_ex( + ctx, + backend._ffi.NULL, + backend._ffi.NULL, + key_ptr, + nonce_ptr, + int(operation == _ENCRYPT), + ) + backend.openssl_assert(res != 0) + return ctx + + +def _evp_cipher_set_tag(backend, ctx, tag: bytes) -> None: + tag_ptr = backend._ffi.from_buffer(tag) + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, backend._lib.EVP_CTRL_AEAD_SET_TAG, len(tag), tag_ptr + ) + backend.openssl_assert(res != 0) + + +def _evp_cipher_set_nonce_operation( + backend, ctx, nonce: bytes, operation: int +) -> None: + nonce_ptr = backend._ffi.from_buffer(nonce) + res = backend._lib.EVP_CipherInit_ex( + ctx, + backend._ffi.NULL, + backend._ffi.NULL, + backend._ffi.NULL, + nonce_ptr, + int(operation == _ENCRYPT), + ) + backend.openssl_assert(res != 0) + + +def _evp_cipher_set_length(backend: Backend, ctx, data_len: int) -> None: + intptr = backend._ffi.new("int *") + res = backend._lib.EVP_CipherUpdate( + ctx, backend._ffi.NULL, intptr, backend._ffi.NULL, data_len + ) + backend.openssl_assert(res != 0) + + +def _evp_cipher_process_aad( + backend: Backend, ctx, associated_data: bytes +) -> None: + outlen = backend._ffi.new("int *") + a_data_ptr = backend._ffi.from_buffer(associated_data) + res = backend._lib.EVP_CipherUpdate( + ctx, backend._ffi.NULL, outlen, a_data_ptr, len(associated_data) + ) + backend.openssl_assert(res != 0) + + +def _evp_cipher_process_data(backend: Backend, ctx, data: bytes) -> bytes: + outlen = backend._ffi.new("int *") + buf = backend._ffi.new("unsigned char[]", len(data)) + data_ptr = backend._ffi.from_buffer(data) + res = backend._lib.EVP_CipherUpdate(ctx, buf, outlen, data_ptr, len(data)) + if res == 0: + # AES SIV can error here if the data is invalid on decrypt + backend._consume_errors() + raise InvalidTag + return backend._ffi.buffer(buf, outlen[0])[:] + + +def _evp_cipher_encrypt( + backend: Backend, + cipher: _AEADTypes, + nonce: bytes, + data: bytes, + associated_data: typing.List[bytes], + tag_length: int, + ctx: typing.Any = None, +) -> bytes: + from cryptography.hazmat.primitives.ciphers.aead import AESCCM, AESSIV + + if ctx is None: + cipher_name = _evp_cipher_cipher_name(cipher) + ctx = _evp_cipher_aead_setup( + backend, + cipher_name, + cipher._key, + nonce, + None, + tag_length, + _ENCRYPT, + ) + else: + _evp_cipher_set_nonce_operation(backend, ctx, nonce, _ENCRYPT) + + # CCM requires us to pass the length of the data before processing + # anything. + # However calling this with any other AEAD results in an error + if isinstance(cipher, AESCCM): + _evp_cipher_set_length(backend, ctx, len(data)) + + for ad in associated_data: + _evp_cipher_process_aad(backend, ctx, ad) + processed_data = _evp_cipher_process_data(backend, ctx, data) + outlen = backend._ffi.new("int *") + # All AEADs we support besides OCB are streaming so they return nothing + # in finalization. OCB can return up to (16 byte block - 1) bytes so + # we need a buffer here too. + buf = backend._ffi.new("unsigned char[]", 16) + res = backend._lib.EVP_CipherFinal_ex(ctx, buf, outlen) + backend.openssl_assert(res != 0) + processed_data += backend._ffi.buffer(buf, outlen[0])[:] + tag_buf = backend._ffi.new("unsigned char[]", tag_length) + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, backend._lib.EVP_CTRL_AEAD_GET_TAG, tag_length, tag_buf + ) + backend.openssl_assert(res != 0) + tag = backend._ffi.buffer(tag_buf)[:] + + if isinstance(cipher, AESSIV): + # RFC 5297 defines the output as IV || C, where the tag we generate + # is the "IV" and C is the ciphertext. This is the opposite of our + # other AEADs, which are Ciphertext || Tag + backend.openssl_assert(len(tag) == 16) + return tag + processed_data + else: + return processed_data + tag + + +def _evp_cipher_decrypt( + backend: Backend, + cipher: _AEADTypes, + nonce: bytes, + data: bytes, + associated_data: typing.List[bytes], + tag_length: int, + ctx: typing.Any = None, +) -> bytes: + from cryptography.hazmat.primitives.ciphers.aead import AESCCM, AESSIV + + if len(data) < tag_length: + raise InvalidTag + + if isinstance(cipher, AESSIV): + # RFC 5297 defines the output as IV || C, where the tag we generate + # is the "IV" and C is the ciphertext. This is the opposite of our + # other AEADs, which are Ciphertext || Tag + tag = data[:tag_length] + data = data[tag_length:] + else: + tag = data[-tag_length:] + data = data[:-tag_length] + if ctx is None: + cipher_name = _evp_cipher_cipher_name(cipher) + ctx = _evp_cipher_aead_setup( + backend, + cipher_name, + cipher._key, + nonce, + tag, + tag_length, + _DECRYPT, + ) + else: + _evp_cipher_set_nonce_operation(backend, ctx, nonce, _DECRYPT) + _evp_cipher_set_tag(backend, ctx, tag) + + # CCM requires us to pass the length of the data before processing + # anything. + # However calling this with any other AEAD results in an error + if isinstance(cipher, AESCCM): + _evp_cipher_set_length(backend, ctx, len(data)) + + for ad in associated_data: + _evp_cipher_process_aad(backend, ctx, ad) + # CCM has a different error path if the tag doesn't match. Errors are + # raised in Update and Final is irrelevant. + if isinstance(cipher, AESCCM): + outlen = backend._ffi.new("int *") + buf = backend._ffi.new("unsigned char[]", len(data)) + d_ptr = backend._ffi.from_buffer(data) + res = backend._lib.EVP_CipherUpdate(ctx, buf, outlen, d_ptr, len(data)) + if res != 1: + backend._consume_errors() + raise InvalidTag + + processed_data = backend._ffi.buffer(buf, outlen[0])[:] + else: + processed_data = _evp_cipher_process_data(backend, ctx, data) + outlen = backend._ffi.new("int *") + # OCB can return up to 15 bytes (16 byte block - 1) in finalization + buf = backend._ffi.new("unsigned char[]", 16) + res = backend._lib.EVP_CipherFinal_ex(ctx, buf, outlen) + processed_data += backend._ffi.buffer(buf, outlen[0])[:] + if res == 0: + backend._consume_errors() + raise InvalidTag + + return processed_data diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/backend.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/backend.py new file mode 100644 index 0000000..02d5109 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/backend.py @@ -0,0 +1,1935 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import collections +import contextlib +import itertools +import typing +from contextlib import contextmanager + +from cryptography import utils, x509 +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.backends.openssl import aead +from cryptography.hazmat.backends.openssl.ciphers import _CipherContext +from cryptography.hazmat.backends.openssl.cmac import _CMACContext +from cryptography.hazmat.backends.openssl.ec import ( + _EllipticCurvePrivateKey, + _EllipticCurvePublicKey, +) +from cryptography.hazmat.backends.openssl.rsa import ( + _RSAPrivateKey, + _RSAPublicKey, +) +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.bindings.openssl import binding +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives._asymmetric import AsymmetricPadding +from cryptography.hazmat.primitives.asymmetric import ( + dh, + dsa, + ec, + ed448, + ed25519, + rsa, + x448, + x25519, +) +from cryptography.hazmat.primitives.asymmetric.padding import ( + MGF1, + OAEP, + PSS, + PKCS1v15, +) +from cryptography.hazmat.primitives.asymmetric.types import ( + PrivateKeyTypes, + PublicKeyTypes, +) +from cryptography.hazmat.primitives.ciphers import ( + BlockCipherAlgorithm, + CipherAlgorithm, +) +from cryptography.hazmat.primitives.ciphers.algorithms import ( + AES, + AES128, + AES256, + ARC4, + SM4, + Camellia, + ChaCha20, + TripleDES, + _BlowfishInternal, + _CAST5Internal, + _IDEAInternal, + _SEEDInternal, +) +from cryptography.hazmat.primitives.ciphers.modes import ( + CBC, + CFB, + CFB8, + CTR, + ECB, + GCM, + OFB, + XTS, + Mode, +) +from cryptography.hazmat.primitives.serialization import ssh +from cryptography.hazmat.primitives.serialization.pkcs12 import ( + PBES, + PKCS12Certificate, + PKCS12KeyAndCertificates, + PKCS12PrivateKeyTypes, + _PKCS12CATypes, +) + +_MemoryBIO = collections.namedtuple("_MemoryBIO", ["bio", "char_ptr"]) + + +# Not actually supported, just used as a marker for some serialization tests. +class _RC2: + pass + + +class Backend: + """ + OpenSSL API binding interfaces. + """ + + name = "openssl" + + # FIPS has opinions about acceptable algorithms and key sizes, but the + # disallowed algorithms are still present in OpenSSL. They just error if + # you try to use them. To avoid that we allowlist the algorithms in + # FIPS 140-3. This isn't ideal, but FIPS 140-3 is trash so here we are. + _fips_aead = { + b"aes-128-ccm", + b"aes-192-ccm", + b"aes-256-ccm", + b"aes-128-gcm", + b"aes-192-gcm", + b"aes-256-gcm", + } + # TripleDES encryption is disallowed/deprecated throughout 2023 in + # FIPS 140-3. To keep it simple we denylist any use of TripleDES (TDEA). + _fips_ciphers = (AES,) + # Sometimes SHA1 is still permissible. That logic is contained + # within the various *_supported methods. + _fips_hashes = ( + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, + hashes.SHA512_224, + hashes.SHA512_256, + hashes.SHA3_224, + hashes.SHA3_256, + hashes.SHA3_384, + hashes.SHA3_512, + hashes.SHAKE128, + hashes.SHAKE256, + ) + _fips_ecdh_curves = ( + ec.SECP224R1, + ec.SECP256R1, + ec.SECP384R1, + ec.SECP521R1, + ) + _fips_rsa_min_key_size = 2048 + _fips_rsa_min_public_exponent = 65537 + _fips_dsa_min_modulus = 1 << 2048 + _fips_dh_min_key_size = 2048 + _fips_dh_min_modulus = 1 << _fips_dh_min_key_size + + def __init__(self) -> None: + self._binding = binding.Binding() + self._ffi = self._binding.ffi + self._lib = self._binding.lib + self._fips_enabled = rust_openssl.is_fips_enabled() + + self._cipher_registry: typing.Dict[ + typing.Tuple[typing.Type[CipherAlgorithm], typing.Type[Mode]], + typing.Callable, + ] = {} + self._register_default_ciphers() + self._dh_types = [self._lib.EVP_PKEY_DH] + if self._lib.Cryptography_HAS_EVP_PKEY_DHX: + self._dh_types.append(self._lib.EVP_PKEY_DHX) + + def __repr__(self) -> str: + return "".format( + self.openssl_version_text(), + self._fips_enabled, + self._binding._legacy_provider_loaded, + ) + + def openssl_assert( + self, + ok: bool, + errors: typing.Optional[typing.List[rust_openssl.OpenSSLError]] = None, + ) -> None: + return binding._openssl_assert(self._lib, ok, errors=errors) + + def _enable_fips(self) -> None: + # This function enables FIPS mode for OpenSSL 3.0.0 on installs that + # have the FIPS provider installed properly. + self._binding._enable_fips() + assert rust_openssl.is_fips_enabled() + self._fips_enabled = rust_openssl.is_fips_enabled() + + def openssl_version_text(self) -> str: + """ + Friendly string name of the loaded OpenSSL library. This is not + necessarily the same version as it was compiled against. + + Example: OpenSSL 1.1.1d 10 Sep 2019 + """ + return self._ffi.string( + self._lib.OpenSSL_version(self._lib.OPENSSL_VERSION) + ).decode("ascii") + + def openssl_version_number(self) -> int: + return self._lib.OpenSSL_version_num() + + def _evp_md_from_algorithm(self, algorithm: hashes.HashAlgorithm): + if algorithm.name == "blake2b" or algorithm.name == "blake2s": + alg = "{}{}".format( + algorithm.name, algorithm.digest_size * 8 + ).encode("ascii") + else: + alg = algorithm.name.encode("ascii") + + evp_md = self._lib.EVP_get_digestbyname(alg) + return evp_md + + def _evp_md_non_null_from_algorithm(self, algorithm: hashes.HashAlgorithm): + evp_md = self._evp_md_from_algorithm(algorithm) + self.openssl_assert(evp_md != self._ffi.NULL) + return evp_md + + def hash_supported(self, algorithm: hashes.HashAlgorithm) -> bool: + if self._fips_enabled and not isinstance(algorithm, self._fips_hashes): + return False + + evp_md = self._evp_md_from_algorithm(algorithm) + return evp_md != self._ffi.NULL + + def signature_hash_supported( + self, algorithm: hashes.HashAlgorithm + ) -> bool: + # Dedicated check for hashing algorithm use in message digest for + # signatures, e.g. RSA PKCS#1 v1.5 SHA1 (sha1WithRSAEncryption). + if self._fips_enabled and isinstance(algorithm, hashes.SHA1): + return False + return self.hash_supported(algorithm) + + def scrypt_supported(self) -> bool: + if self._fips_enabled: + return False + else: + return self._lib.Cryptography_HAS_SCRYPT == 1 + + def hmac_supported(self, algorithm: hashes.HashAlgorithm) -> bool: + # FIPS mode still allows SHA1 for HMAC + if self._fips_enabled and isinstance(algorithm, hashes.SHA1): + return True + + return self.hash_supported(algorithm) + + def cipher_supported(self, cipher: CipherAlgorithm, mode: Mode) -> bool: + if self._fips_enabled: + # FIPS mode requires AES. TripleDES is disallowed/deprecated in + # FIPS 140-3. + if not isinstance(cipher, self._fips_ciphers): + return False + + try: + adapter = self._cipher_registry[type(cipher), type(mode)] + except KeyError: + return False + evp_cipher = adapter(self, cipher, mode) + return self._ffi.NULL != evp_cipher + + def register_cipher_adapter(self, cipher_cls, mode_cls, adapter) -> None: + if (cipher_cls, mode_cls) in self._cipher_registry: + raise ValueError( + "Duplicate registration for: {} {}.".format( + cipher_cls, mode_cls + ) + ) + self._cipher_registry[cipher_cls, mode_cls] = adapter + + def _register_default_ciphers(self) -> None: + for cipher_cls in [AES, AES128, AES256]: + for mode_cls in [CBC, CTR, ECB, OFB, CFB, CFB8, GCM]: + self.register_cipher_adapter( + cipher_cls, + mode_cls, + GetCipherByName( + "{cipher.name}-{cipher.key_size}-{mode.name}" + ), + ) + for mode_cls in [CBC, CTR, ECB, OFB, CFB]: + self.register_cipher_adapter( + Camellia, + mode_cls, + GetCipherByName("{cipher.name}-{cipher.key_size}-{mode.name}"), + ) + for mode_cls in [CBC, CFB, CFB8, OFB]: + self.register_cipher_adapter( + TripleDES, mode_cls, GetCipherByName("des-ede3-{mode.name}") + ) + self.register_cipher_adapter( + TripleDES, ECB, GetCipherByName("des-ede3") + ) + self.register_cipher_adapter( + ChaCha20, type(None), GetCipherByName("chacha20") + ) + self.register_cipher_adapter(AES, XTS, _get_xts_cipher) + for mode_cls in [ECB, CBC, OFB, CFB, CTR]: + self.register_cipher_adapter( + SM4, mode_cls, GetCipherByName("sm4-{mode.name}") + ) + # Don't register legacy ciphers if they're unavailable. Hypothetically + # this wouldn't be necessary because we test availability by seeing if + # we get an EVP_CIPHER * in the _CipherContext __init__, but OpenSSL 3 + # will return a valid pointer even though the cipher is unavailable. + if ( + self._binding._legacy_provider_loaded + or not self._lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER + ): + for mode_cls in [CBC, CFB, OFB, ECB]: + self.register_cipher_adapter( + _BlowfishInternal, + mode_cls, + GetCipherByName("bf-{mode.name}"), + ) + for mode_cls in [CBC, CFB, OFB, ECB]: + self.register_cipher_adapter( + _SEEDInternal, + mode_cls, + GetCipherByName("seed-{mode.name}"), + ) + for cipher_cls, mode_cls in itertools.product( + [_CAST5Internal, _IDEAInternal], + [CBC, OFB, CFB, ECB], + ): + self.register_cipher_adapter( + cipher_cls, + mode_cls, + GetCipherByName("{cipher.name}-{mode.name}"), + ) + self.register_cipher_adapter( + ARC4, type(None), GetCipherByName("rc4") + ) + # We don't actually support RC2, this is just used by some tests. + self.register_cipher_adapter( + _RC2, type(None), GetCipherByName("rc2") + ) + + def create_symmetric_encryption_ctx( + self, cipher: CipherAlgorithm, mode: Mode + ) -> _CipherContext: + return _CipherContext(self, cipher, mode, _CipherContext._ENCRYPT) + + def create_symmetric_decryption_ctx( + self, cipher: CipherAlgorithm, mode: Mode + ) -> _CipherContext: + return _CipherContext(self, cipher, mode, _CipherContext._DECRYPT) + + def pbkdf2_hmac_supported(self, algorithm: hashes.HashAlgorithm) -> bool: + return self.hmac_supported(algorithm) + + def _consume_errors(self) -> typing.List[rust_openssl.OpenSSLError]: + return rust_openssl.capture_error_stack() + + def _bn_to_int(self, bn) -> int: + assert bn != self._ffi.NULL + self.openssl_assert(not self._lib.BN_is_negative(bn)) + + bn_num_bytes = self._lib.BN_num_bytes(bn) + bin_ptr = self._ffi.new("unsigned char[]", bn_num_bytes) + bin_len = self._lib.BN_bn2bin(bn, bin_ptr) + # A zero length means the BN has value 0 + self.openssl_assert(bin_len >= 0) + val = int.from_bytes(self._ffi.buffer(bin_ptr)[:bin_len], "big") + return val + + def _int_to_bn(self, num: int): + """ + Converts a python integer to a BIGNUM. The returned BIGNUM will not + be garbage collected (to support adding them to structs that take + ownership of the object). Be sure to register it for GC if it will + be discarded after use. + """ + binary = num.to_bytes(int(num.bit_length() / 8.0 + 1), "big") + bn_ptr = self._lib.BN_bin2bn(binary, len(binary), self._ffi.NULL) + self.openssl_assert(bn_ptr != self._ffi.NULL) + return bn_ptr + + def generate_rsa_private_key( + self, public_exponent: int, key_size: int + ) -> rsa.RSAPrivateKey: + rsa._verify_rsa_parameters(public_exponent, key_size) + + rsa_cdata = self._lib.RSA_new() + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + + bn = self._int_to_bn(public_exponent) + bn = self._ffi.gc(bn, self._lib.BN_free) + + res = self._lib.RSA_generate_key_ex( + rsa_cdata, key_size, bn, self._ffi.NULL + ) + self.openssl_assert(res == 1) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + + # We can skip RSA key validation here since we just generated the key + return _RSAPrivateKey( + self, rsa_cdata, evp_pkey, unsafe_skip_rsa_key_validation=True + ) + + def generate_rsa_parameters_supported( + self, public_exponent: int, key_size: int + ) -> bool: + return ( + public_exponent >= 3 + and public_exponent & 1 != 0 + and key_size >= 512 + ) + + def load_rsa_private_numbers( + self, + numbers: rsa.RSAPrivateNumbers, + unsafe_skip_rsa_key_validation: bool, + ) -> rsa.RSAPrivateKey: + rsa._check_private_key_components( + numbers.p, + numbers.q, + numbers.d, + numbers.dmp1, + numbers.dmq1, + numbers.iqmp, + numbers.public_numbers.e, + numbers.public_numbers.n, + ) + rsa_cdata = self._lib.RSA_new() + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + p = self._int_to_bn(numbers.p) + q = self._int_to_bn(numbers.q) + d = self._int_to_bn(numbers.d) + dmp1 = self._int_to_bn(numbers.dmp1) + dmq1 = self._int_to_bn(numbers.dmq1) + iqmp = self._int_to_bn(numbers.iqmp) + e = self._int_to_bn(numbers.public_numbers.e) + n = self._int_to_bn(numbers.public_numbers.n) + res = self._lib.RSA_set0_factors(rsa_cdata, p, q) + self.openssl_assert(res == 1) + res = self._lib.RSA_set0_key(rsa_cdata, n, e, d) + self.openssl_assert(res == 1) + res = self._lib.RSA_set0_crt_params(rsa_cdata, dmp1, dmq1, iqmp) + self.openssl_assert(res == 1) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + + return _RSAPrivateKey( + self, + rsa_cdata, + evp_pkey, + unsafe_skip_rsa_key_validation=unsafe_skip_rsa_key_validation, + ) + + def load_rsa_public_numbers( + self, numbers: rsa.RSAPublicNumbers + ) -> rsa.RSAPublicKey: + rsa._check_public_key_components(numbers.e, numbers.n) + rsa_cdata = self._lib.RSA_new() + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + e = self._int_to_bn(numbers.e) + n = self._int_to_bn(numbers.n) + res = self._lib.RSA_set0_key(rsa_cdata, n, e, self._ffi.NULL) + self.openssl_assert(res == 1) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + + def _create_evp_pkey_gc(self): + evp_pkey = self._lib.EVP_PKEY_new() + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return evp_pkey + + def _rsa_cdata_to_evp_pkey(self, rsa_cdata): + evp_pkey = self._create_evp_pkey_gc() + res = self._lib.EVP_PKEY_set1_RSA(evp_pkey, rsa_cdata) + self.openssl_assert(res == 1) + return evp_pkey + + def _bytes_to_bio(self, data: bytes) -> _MemoryBIO: + """ + Return a _MemoryBIO namedtuple of (BIO, char*). + + The char* is the storage for the BIO and it must stay alive until the + BIO is finished with. + """ + data_ptr = self._ffi.from_buffer(data) + bio = self._lib.BIO_new_mem_buf(data_ptr, len(data)) + self.openssl_assert(bio != self._ffi.NULL) + + return _MemoryBIO(self._ffi.gc(bio, self._lib.BIO_free), data_ptr) + + def _create_mem_bio_gc(self): + """ + Creates an empty memory BIO. + """ + bio_method = self._lib.BIO_s_mem() + self.openssl_assert(bio_method != self._ffi.NULL) + bio = self._lib.BIO_new(bio_method) + self.openssl_assert(bio != self._ffi.NULL) + bio = self._ffi.gc(bio, self._lib.BIO_free) + return bio + + def _read_mem_bio(self, bio) -> bytes: + """ + Reads a memory BIO. This only works on memory BIOs. + """ + buf = self._ffi.new("char **") + buf_len = self._lib.BIO_get_mem_data(bio, buf) + self.openssl_assert(buf_len > 0) + self.openssl_assert(buf[0] != self._ffi.NULL) + bio_data = self._ffi.buffer(buf[0], buf_len)[:] + return bio_data + + def _evp_pkey_to_private_key( + self, evp_pkey, unsafe_skip_rsa_key_validation: bool + ) -> PrivateKeyTypes: + """ + Return the appropriate type of PrivateKey given an evp_pkey cdata + pointer. + """ + + key_type = self._lib.EVP_PKEY_id(evp_pkey) + + if key_type == self._lib.EVP_PKEY_RSA: + rsa_cdata = self._lib.EVP_PKEY_get1_RSA(evp_pkey) + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + return _RSAPrivateKey( + self, + rsa_cdata, + evp_pkey, + unsafe_skip_rsa_key_validation=unsafe_skip_rsa_key_validation, + ) + elif ( + key_type == self._lib.EVP_PKEY_RSA_PSS + and not self._lib.CRYPTOGRAPHY_IS_LIBRESSL + and not self._lib.CRYPTOGRAPHY_IS_BORINGSSL + and not self._lib.CRYPTOGRAPHY_OPENSSL_LESS_THAN_111E + ): + # At the moment the way we handle RSA PSS keys is to strip the + # PSS constraints from them and treat them as normal RSA keys + # Unfortunately the RSA * itself tracks this data so we need to + # extract, serialize, and reload it without the constraints. + rsa_cdata = self._lib.EVP_PKEY_get1_RSA(evp_pkey) + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + bio = self._create_mem_bio_gc() + res = self._lib.i2d_RSAPrivateKey_bio(bio, rsa_cdata) + self.openssl_assert(res == 1) + return self.load_der_private_key( + self._read_mem_bio(bio), + password=None, + unsafe_skip_rsa_key_validation=unsafe_skip_rsa_key_validation, + ) + elif key_type == self._lib.EVP_PKEY_DSA: + return rust_openssl.dsa.private_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == self._lib.EVP_PKEY_EC: + ec_cdata = self._lib.EVP_PKEY_get1_EC_KEY(evp_pkey) + self.openssl_assert(ec_cdata != self._ffi.NULL) + ec_cdata = self._ffi.gc(ec_cdata, self._lib.EC_KEY_free) + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + elif key_type in self._dh_types: + return rust_openssl.dh.private_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == getattr(self._lib, "EVP_PKEY_ED25519", None): + # EVP_PKEY_ED25519 is not present in CRYPTOGRAPHY_IS_LIBRESSL + return rust_openssl.ed25519.private_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == getattr(self._lib, "EVP_PKEY_X448", None): + # EVP_PKEY_X448 is not present in CRYPTOGRAPHY_IS_LIBRESSL + return rust_openssl.x448.private_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == self._lib.EVP_PKEY_X25519: + return rust_openssl.x25519.private_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == getattr(self._lib, "EVP_PKEY_ED448", None): + # EVP_PKEY_ED448 is not present in CRYPTOGRAPHY_IS_LIBRESSL + return rust_openssl.ed448.private_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + else: + raise UnsupportedAlgorithm("Unsupported key type.") + + def _evp_pkey_to_public_key(self, evp_pkey) -> PublicKeyTypes: + """ + Return the appropriate type of PublicKey given an evp_pkey cdata + pointer. + """ + + key_type = self._lib.EVP_PKEY_id(evp_pkey) + + if key_type == self._lib.EVP_PKEY_RSA: + rsa_cdata = self._lib.EVP_PKEY_get1_RSA(evp_pkey) + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + elif ( + key_type == self._lib.EVP_PKEY_RSA_PSS + and not self._lib.CRYPTOGRAPHY_IS_LIBRESSL + and not self._lib.CRYPTOGRAPHY_IS_BORINGSSL + and not self._lib.CRYPTOGRAPHY_OPENSSL_LESS_THAN_111E + ): + rsa_cdata = self._lib.EVP_PKEY_get1_RSA(evp_pkey) + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + bio = self._create_mem_bio_gc() + res = self._lib.i2d_RSAPublicKey_bio(bio, rsa_cdata) + self.openssl_assert(res == 1) + return self.load_der_public_key(self._read_mem_bio(bio)) + elif key_type == self._lib.EVP_PKEY_DSA: + return rust_openssl.dsa.public_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == self._lib.EVP_PKEY_EC: + ec_cdata = self._lib.EVP_PKEY_get1_EC_KEY(evp_pkey) + if ec_cdata == self._ffi.NULL: + errors = self._consume_errors() + raise ValueError("Unable to load EC key", errors) + ec_cdata = self._ffi.gc(ec_cdata, self._lib.EC_KEY_free) + return _EllipticCurvePublicKey(self, ec_cdata, evp_pkey) + elif key_type in self._dh_types: + return rust_openssl.dh.public_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == getattr(self._lib, "EVP_PKEY_ED25519", None): + # EVP_PKEY_ED25519 is not present in CRYPTOGRAPHY_IS_LIBRESSL + return rust_openssl.ed25519.public_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == getattr(self._lib, "EVP_PKEY_X448", None): + # EVP_PKEY_X448 is not present in CRYPTOGRAPHY_IS_LIBRESSL + return rust_openssl.x448.public_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == self._lib.EVP_PKEY_X25519: + return rust_openssl.x25519.public_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + elif key_type == getattr(self._lib, "EVP_PKEY_ED448", None): + # EVP_PKEY_ED448 is not present in CRYPTOGRAPHY_IS_LIBRESSL + return rust_openssl.ed448.public_key_from_ptr( + int(self._ffi.cast("uintptr_t", evp_pkey)) + ) + else: + raise UnsupportedAlgorithm("Unsupported key type.") + + def _oaep_hash_supported(self, algorithm: hashes.HashAlgorithm) -> bool: + if self._fips_enabled and isinstance(algorithm, hashes.SHA1): + return False + + return isinstance( + algorithm, + ( + hashes.SHA1, + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, + ), + ) + + def rsa_padding_supported(self, padding: AsymmetricPadding) -> bool: + if isinstance(padding, PKCS1v15): + return True + elif isinstance(padding, PSS) and isinstance(padding._mgf, MGF1): + # SHA1 is permissible in MGF1 in FIPS even when SHA1 is blocked + # as signature algorithm. + if self._fips_enabled and isinstance( + padding._mgf._algorithm, hashes.SHA1 + ): + return True + else: + return self.hash_supported(padding._mgf._algorithm) + elif isinstance(padding, OAEP) and isinstance(padding._mgf, MGF1): + return self._oaep_hash_supported( + padding._mgf._algorithm + ) and self._oaep_hash_supported(padding._algorithm) + else: + return False + + def rsa_encryption_supported(self, padding: AsymmetricPadding) -> bool: + if self._fips_enabled and isinstance(padding, PKCS1v15): + return False + else: + return self.rsa_padding_supported(padding) + + def generate_dsa_parameters(self, key_size: int) -> dsa.DSAParameters: + if key_size not in (1024, 2048, 3072, 4096): + raise ValueError( + "Key size must be 1024, 2048, 3072, or 4096 bits." + ) + + return rust_openssl.dsa.generate_parameters(key_size) + + def generate_dsa_private_key( + self, parameters: dsa.DSAParameters + ) -> dsa.DSAPrivateKey: + return parameters.generate_private_key() + + def generate_dsa_private_key_and_parameters( + self, key_size: int + ) -> dsa.DSAPrivateKey: + parameters = self.generate_dsa_parameters(key_size) + return self.generate_dsa_private_key(parameters) + + def load_dsa_private_numbers( + self, numbers: dsa.DSAPrivateNumbers + ) -> dsa.DSAPrivateKey: + dsa._check_dsa_private_numbers(numbers) + return rust_openssl.dsa.from_private_numbers(numbers) + + def load_dsa_public_numbers( + self, numbers: dsa.DSAPublicNumbers + ) -> dsa.DSAPublicKey: + dsa._check_dsa_parameters(numbers.parameter_numbers) + return rust_openssl.dsa.from_public_numbers(numbers) + + def load_dsa_parameter_numbers( + self, numbers: dsa.DSAParameterNumbers + ) -> dsa.DSAParameters: + dsa._check_dsa_parameters(numbers) + return rust_openssl.dsa.from_parameter_numbers(numbers) + + def dsa_supported(self) -> bool: + return ( + not self._lib.CRYPTOGRAPHY_IS_BORINGSSL and not self._fips_enabled + ) + + def dsa_hash_supported(self, algorithm: hashes.HashAlgorithm) -> bool: + if not self.dsa_supported(): + return False + return self.signature_hash_supported(algorithm) + + def cmac_algorithm_supported(self, algorithm) -> bool: + return self.cipher_supported( + algorithm, CBC(b"\x00" * algorithm.block_size) + ) + + def create_cmac_ctx(self, algorithm: BlockCipherAlgorithm) -> _CMACContext: + return _CMACContext(self, algorithm) + + def load_pem_private_key( + self, + data: bytes, + password: typing.Optional[bytes], + unsafe_skip_rsa_key_validation: bool, + ) -> PrivateKeyTypes: + return self._load_key( + self._lib.PEM_read_bio_PrivateKey, + data, + password, + unsafe_skip_rsa_key_validation, + ) + + def load_pem_public_key(self, data: bytes) -> PublicKeyTypes: + mem_bio = self._bytes_to_bio(data) + # In OpenSSL 3.0.x the PEM_read_bio_PUBKEY function will invoke + # the default password callback if you pass an encrypted private + # key. This is very, very, very bad as the default callback can + # trigger an interactive console prompt, which will hang the + # Python process. We therefore provide our own callback to + # catch this and error out properly. + userdata = self._ffi.new("CRYPTOGRAPHY_PASSWORD_DATA *") + evp_pkey = self._lib.PEM_read_bio_PUBKEY( + mem_bio.bio, + self._ffi.NULL, + self._ffi.addressof( + self._lib._original_lib, "Cryptography_pem_password_cb" + ), + userdata, + ) + if evp_pkey != self._ffi.NULL: + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return self._evp_pkey_to_public_key(evp_pkey) + else: + # It's not a (RSA/DSA/ECDSA) subjectPublicKeyInfo, but we still + # need to check to see if it is a pure PKCS1 RSA public key (not + # embedded in a subjectPublicKeyInfo) + self._consume_errors() + res = self._lib.BIO_reset(mem_bio.bio) + self.openssl_assert(res == 1) + rsa_cdata = self._lib.PEM_read_bio_RSAPublicKey( + mem_bio.bio, + self._ffi.NULL, + self._ffi.addressof( + self._lib._original_lib, "Cryptography_pem_password_cb" + ), + userdata, + ) + if rsa_cdata != self._ffi.NULL: + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + else: + self._handle_key_loading_error() + + def load_pem_parameters(self, data: bytes) -> dh.DHParameters: + return rust_openssl.dh.from_pem_parameters(data) + + def load_der_private_key( + self, + data: bytes, + password: typing.Optional[bytes], + unsafe_skip_rsa_key_validation: bool, + ) -> PrivateKeyTypes: + # OpenSSL has a function called d2i_AutoPrivateKey that in theory + # handles this automatically, however it doesn't handle encrypted + # private keys. Instead we try to load the key two different ways. + # First we'll try to load it as a traditional key. + bio_data = self._bytes_to_bio(data) + key = self._evp_pkey_from_der_traditional_key(bio_data, password) + if key: + return self._evp_pkey_to_private_key( + key, unsafe_skip_rsa_key_validation + ) + else: + # Finally we try to load it with the method that handles encrypted + # PKCS8 properly. + return self._load_key( + self._lib.d2i_PKCS8PrivateKey_bio, + data, + password, + unsafe_skip_rsa_key_validation, + ) + + def _evp_pkey_from_der_traditional_key(self, bio_data, password): + key = self._lib.d2i_PrivateKey_bio(bio_data.bio, self._ffi.NULL) + if key != self._ffi.NULL: + key = self._ffi.gc(key, self._lib.EVP_PKEY_free) + if password is not None: + raise TypeError( + "Password was given but private key is not encrypted." + ) + + return key + else: + self._consume_errors() + return None + + def load_der_public_key(self, data: bytes) -> PublicKeyTypes: + mem_bio = self._bytes_to_bio(data) + evp_pkey = self._lib.d2i_PUBKEY_bio(mem_bio.bio, self._ffi.NULL) + if evp_pkey != self._ffi.NULL: + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return self._evp_pkey_to_public_key(evp_pkey) + else: + # It's not a (RSA/DSA/ECDSA) subjectPublicKeyInfo, but we still + # need to check to see if it is a pure PKCS1 RSA public key (not + # embedded in a subjectPublicKeyInfo) + self._consume_errors() + res = self._lib.BIO_reset(mem_bio.bio) + self.openssl_assert(res == 1) + rsa_cdata = self._lib.d2i_RSAPublicKey_bio( + mem_bio.bio, self._ffi.NULL + ) + if rsa_cdata != self._ffi.NULL: + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + else: + self._handle_key_loading_error() + + def load_der_parameters(self, data: bytes) -> dh.DHParameters: + return rust_openssl.dh.from_der_parameters(data) + + def _cert2ossl(self, cert: x509.Certificate) -> typing.Any: + data = cert.public_bytes(serialization.Encoding.DER) + mem_bio = self._bytes_to_bio(data) + x509 = self._lib.d2i_X509_bio(mem_bio.bio, self._ffi.NULL) + self.openssl_assert(x509 != self._ffi.NULL) + x509 = self._ffi.gc(x509, self._lib.X509_free) + return x509 + + def _ossl2cert(self, x509_ptr: typing.Any) -> x509.Certificate: + bio = self._create_mem_bio_gc() + res = self._lib.i2d_X509_bio(bio, x509_ptr) + self.openssl_assert(res == 1) + return x509.load_der_x509_certificate(self._read_mem_bio(bio)) + + def _key2ossl(self, key: PKCS12PrivateKeyTypes) -> typing.Any: + data = key.private_bytes( + serialization.Encoding.DER, + serialization.PrivateFormat.PKCS8, + serialization.NoEncryption(), + ) + mem_bio = self._bytes_to_bio(data) + + evp_pkey = self._lib.d2i_PrivateKey_bio( + mem_bio.bio, + self._ffi.NULL, + ) + self.openssl_assert(evp_pkey != self._ffi.NULL) + return self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + + def _load_key( + self, openssl_read_func, data, password, unsafe_skip_rsa_key_validation + ) -> PrivateKeyTypes: + mem_bio = self._bytes_to_bio(data) + + userdata = self._ffi.new("CRYPTOGRAPHY_PASSWORD_DATA *") + if password is not None: + utils._check_byteslike("password", password) + password_ptr = self._ffi.from_buffer(password) + userdata.password = password_ptr + userdata.length = len(password) + + evp_pkey = openssl_read_func( + mem_bio.bio, + self._ffi.NULL, + self._ffi.addressof( + self._lib._original_lib, "Cryptography_pem_password_cb" + ), + userdata, + ) + + if evp_pkey == self._ffi.NULL: + if userdata.error != 0: + self._consume_errors() + if userdata.error == -1: + raise TypeError( + "Password was not given but private key is encrypted" + ) + else: + assert userdata.error == -2 + raise ValueError( + "Passwords longer than {} bytes are not supported " + "by this backend.".format(userdata.maxsize - 1) + ) + else: + self._handle_key_loading_error() + + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + + if password is not None and userdata.called == 0: + raise TypeError( + "Password was given but private key is not encrypted." + ) + + assert ( + password is not None and userdata.called == 1 + ) or password is None + + return self._evp_pkey_to_private_key( + evp_pkey, unsafe_skip_rsa_key_validation + ) + + def _handle_key_loading_error(self) -> typing.NoReturn: + errors = self._consume_errors() + + if not errors: + raise ValueError( + "Could not deserialize key data. The data may be in an " + "incorrect format or it may be encrypted with an unsupported " + "algorithm." + ) + + elif ( + errors[0]._lib_reason_match( + self._lib.ERR_LIB_EVP, self._lib.EVP_R_BAD_DECRYPT + ) + or errors[0]._lib_reason_match( + self._lib.ERR_LIB_PKCS12, + self._lib.PKCS12_R_PKCS12_CIPHERFINAL_ERROR, + ) + or ( + self._lib.Cryptography_HAS_PROVIDERS + and errors[0]._lib_reason_match( + self._lib.ERR_LIB_PROV, + self._lib.PROV_R_BAD_DECRYPT, + ) + ) + ): + raise ValueError("Bad decrypt. Incorrect password?") + + elif any( + error._lib_reason_match( + self._lib.ERR_LIB_EVP, + self._lib.EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM, + ) + for error in errors + ): + raise ValueError("Unsupported public key algorithm.") + + else: + raise ValueError( + "Could not deserialize key data. The data may be in an " + "incorrect format, it may be encrypted with an unsupported " + "algorithm, or it may be an unsupported key type (e.g. EC " + "curves with explicit parameters).", + errors, + ) + + def elliptic_curve_supported(self, curve: ec.EllipticCurve) -> bool: + try: + curve_nid = self._elliptic_curve_to_nid(curve) + except UnsupportedAlgorithm: + curve_nid = self._lib.NID_undef + + group = self._lib.EC_GROUP_new_by_curve_name(curve_nid) + + if group == self._ffi.NULL: + self._consume_errors() + return False + else: + self.openssl_assert(curve_nid != self._lib.NID_undef) + self._lib.EC_GROUP_free(group) + return True + + def elliptic_curve_signature_algorithm_supported( + self, + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, + curve: ec.EllipticCurve, + ) -> bool: + # We only support ECDSA right now. + if not isinstance(signature_algorithm, ec.ECDSA): + return False + + return self.elliptic_curve_supported(curve) + + def generate_elliptic_curve_private_key( + self, curve: ec.EllipticCurve + ) -> ec.EllipticCurvePrivateKey: + """ + Generate a new private key on the named curve. + """ + + if self.elliptic_curve_supported(curve): + ec_cdata = self._ec_key_new_by_curve(curve) + + res = self._lib.EC_KEY_generate_key(ec_cdata) + self.openssl_assert(res == 1) + + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + else: + raise UnsupportedAlgorithm( + f"Backend object does not support {curve.name}.", + _Reasons.UNSUPPORTED_ELLIPTIC_CURVE, + ) + + def load_elliptic_curve_private_numbers( + self, numbers: ec.EllipticCurvePrivateNumbers + ) -> ec.EllipticCurvePrivateKey: + public = numbers.public_numbers + + ec_cdata = self._ec_key_new_by_curve(public.curve) + + private_value = self._ffi.gc( + self._int_to_bn(numbers.private_value), self._lib.BN_clear_free + ) + res = self._lib.EC_KEY_set_private_key(ec_cdata, private_value) + if res != 1: + self._consume_errors() + raise ValueError("Invalid EC key.") + + with self._tmp_bn_ctx() as bn_ctx: + self._ec_key_set_public_key_affine_coordinates( + ec_cdata, public.x, public.y, bn_ctx + ) + # derive the expected public point and compare it to the one we + # just set based on the values we were given. If they don't match + # this isn't a valid key pair. + group = self._lib.EC_KEY_get0_group(ec_cdata) + self.openssl_assert(group != self._ffi.NULL) + set_point = backend._lib.EC_KEY_get0_public_key(ec_cdata) + self.openssl_assert(set_point != self._ffi.NULL) + computed_point = self._lib.EC_POINT_new(group) + self.openssl_assert(computed_point != self._ffi.NULL) + computed_point = self._ffi.gc( + computed_point, self._lib.EC_POINT_free + ) + res = self._lib.EC_POINT_mul( + group, + computed_point, + private_value, + self._ffi.NULL, + self._ffi.NULL, + bn_ctx, + ) + self.openssl_assert(res == 1) + if ( + self._lib.EC_POINT_cmp( + group, set_point, computed_point, bn_ctx + ) + != 0 + ): + raise ValueError("Invalid EC key.") + + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + + def load_elliptic_curve_public_numbers( + self, numbers: ec.EllipticCurvePublicNumbers + ) -> ec.EllipticCurvePublicKey: + ec_cdata = self._ec_key_new_by_curve(numbers.curve) + with self._tmp_bn_ctx() as bn_ctx: + self._ec_key_set_public_key_affine_coordinates( + ec_cdata, numbers.x, numbers.y, bn_ctx + ) + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePublicKey(self, ec_cdata, evp_pkey) + + def load_elliptic_curve_public_bytes( + self, curve: ec.EllipticCurve, point_bytes: bytes + ) -> ec.EllipticCurvePublicKey: + ec_cdata = self._ec_key_new_by_curve(curve) + group = self._lib.EC_KEY_get0_group(ec_cdata) + self.openssl_assert(group != self._ffi.NULL) + point = self._lib.EC_POINT_new(group) + self.openssl_assert(point != self._ffi.NULL) + point = self._ffi.gc(point, self._lib.EC_POINT_free) + with self._tmp_bn_ctx() as bn_ctx: + res = self._lib.EC_POINT_oct2point( + group, point, point_bytes, len(point_bytes), bn_ctx + ) + if res != 1: + self._consume_errors() + raise ValueError("Invalid public bytes for the given curve") + + res = self._lib.EC_KEY_set_public_key(ec_cdata, point) + self.openssl_assert(res == 1) + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + return _EllipticCurvePublicKey(self, ec_cdata, evp_pkey) + + def derive_elliptic_curve_private_key( + self, private_value: int, curve: ec.EllipticCurve + ) -> ec.EllipticCurvePrivateKey: + ec_cdata = self._ec_key_new_by_curve(curve) + + group = self._lib.EC_KEY_get0_group(ec_cdata) + self.openssl_assert(group != self._ffi.NULL) + + point = self._lib.EC_POINT_new(group) + self.openssl_assert(point != self._ffi.NULL) + point = self._ffi.gc(point, self._lib.EC_POINT_free) + + value = self._int_to_bn(private_value) + value = self._ffi.gc(value, self._lib.BN_clear_free) + + with self._tmp_bn_ctx() as bn_ctx: + res = self._lib.EC_POINT_mul( + group, point, value, self._ffi.NULL, self._ffi.NULL, bn_ctx + ) + self.openssl_assert(res == 1) + + bn_x = self._lib.BN_CTX_get(bn_ctx) + bn_y = self._lib.BN_CTX_get(bn_ctx) + + res = self._lib.EC_POINT_get_affine_coordinates( + group, point, bn_x, bn_y, bn_ctx + ) + if res != 1: + self._consume_errors() + raise ValueError("Unable to derive key from private_value") + + res = self._lib.EC_KEY_set_public_key(ec_cdata, point) + self.openssl_assert(res == 1) + private = self._int_to_bn(private_value) + private = self._ffi.gc(private, self._lib.BN_clear_free) + res = self._lib.EC_KEY_set_private_key(ec_cdata, private) + self.openssl_assert(res == 1) + + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + + def _ec_key_new_by_curve(self, curve: ec.EllipticCurve): + curve_nid = self._elliptic_curve_to_nid(curve) + return self._ec_key_new_by_curve_nid(curve_nid) + + def _ec_key_new_by_curve_nid(self, curve_nid: int): + ec_cdata = self._lib.EC_KEY_new_by_curve_name(curve_nid) + self.openssl_assert(ec_cdata != self._ffi.NULL) + return self._ffi.gc(ec_cdata, self._lib.EC_KEY_free) + + def elliptic_curve_exchange_algorithm_supported( + self, algorithm: ec.ECDH, curve: ec.EllipticCurve + ) -> bool: + if self._fips_enabled and not isinstance( + curve, self._fips_ecdh_curves + ): + return False + + return self.elliptic_curve_supported(curve) and isinstance( + algorithm, ec.ECDH + ) + + def _ec_cdata_to_evp_pkey(self, ec_cdata): + evp_pkey = self._create_evp_pkey_gc() + res = self._lib.EVP_PKEY_set1_EC_KEY(evp_pkey, ec_cdata) + self.openssl_assert(res == 1) + return evp_pkey + + def _elliptic_curve_to_nid(self, curve: ec.EllipticCurve) -> int: + """ + Get the NID for a curve name. + """ + + curve_aliases = {"secp192r1": "prime192v1", "secp256r1": "prime256v1"} + + curve_name = curve_aliases.get(curve.name, curve.name) + + curve_nid = self._lib.OBJ_sn2nid(curve_name.encode()) + if curve_nid == self._lib.NID_undef: + raise UnsupportedAlgorithm( + f"{curve.name} is not a supported elliptic curve", + _Reasons.UNSUPPORTED_ELLIPTIC_CURVE, + ) + return curve_nid + + @contextmanager + def _tmp_bn_ctx(self): + bn_ctx = self._lib.BN_CTX_new() + self.openssl_assert(bn_ctx != self._ffi.NULL) + bn_ctx = self._ffi.gc(bn_ctx, self._lib.BN_CTX_free) + self._lib.BN_CTX_start(bn_ctx) + try: + yield bn_ctx + finally: + self._lib.BN_CTX_end(bn_ctx) + + def _ec_key_set_public_key_affine_coordinates( + self, + ec_cdata, + x: int, + y: int, + bn_ctx, + ) -> None: + """ + Sets the public key point in the EC_KEY context to the affine x and y + values. + """ + + if x < 0 or y < 0: + raise ValueError( + "Invalid EC key. Both x and y must be non-negative." + ) + + x = self._ffi.gc(self._int_to_bn(x), self._lib.BN_free) + y = self._ffi.gc(self._int_to_bn(y), self._lib.BN_free) + group = self._lib.EC_KEY_get0_group(ec_cdata) + self.openssl_assert(group != self._ffi.NULL) + point = self._lib.EC_POINT_new(group) + self.openssl_assert(point != self._ffi.NULL) + point = self._ffi.gc(point, self._lib.EC_POINT_free) + res = self._lib.EC_POINT_set_affine_coordinates( + group, point, x, y, bn_ctx + ) + if res != 1: + self._consume_errors() + raise ValueError("Invalid EC key.") + res = self._lib.EC_KEY_set_public_key(ec_cdata, point) + self.openssl_assert(res == 1) + + def _private_key_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + key, + evp_pkey, + cdata, + ) -> bytes: + # validate argument types + if not isinstance(encoding, serialization.Encoding): + raise TypeError("encoding must be an item from the Encoding enum") + if not isinstance(format, serialization.PrivateFormat): + raise TypeError( + "format must be an item from the PrivateFormat enum" + ) + if not isinstance( + encryption_algorithm, serialization.KeySerializationEncryption + ): + raise TypeError( + "Encryption algorithm must be a KeySerializationEncryption " + "instance" + ) + + # validate password + if isinstance(encryption_algorithm, serialization.NoEncryption): + password = b"" + elif isinstance( + encryption_algorithm, serialization.BestAvailableEncryption + ): + password = encryption_algorithm.password + if len(password) > 1023: + raise ValueError( + "Passwords longer than 1023 bytes are not supported by " + "this backend" + ) + elif ( + isinstance( + encryption_algorithm, serialization._KeySerializationEncryption + ) + and encryption_algorithm._format + is format + is serialization.PrivateFormat.OpenSSH + ): + password = encryption_algorithm.password + else: + raise ValueError("Unsupported encryption type") + + # PKCS8 + PEM/DER + if format is serialization.PrivateFormat.PKCS8: + if encoding is serialization.Encoding.PEM: + write_bio = self._lib.PEM_write_bio_PKCS8PrivateKey + elif encoding is serialization.Encoding.DER: + write_bio = self._lib.i2d_PKCS8PrivateKey_bio + else: + raise ValueError("Unsupported encoding for PKCS8") + return self._private_key_bytes_via_bio( + write_bio, evp_pkey, password + ) + + # TraditionalOpenSSL + PEM/DER + if format is serialization.PrivateFormat.TraditionalOpenSSL: + if self._fips_enabled and not isinstance( + encryption_algorithm, serialization.NoEncryption + ): + raise ValueError( + "Encrypted traditional OpenSSL format is not " + "supported in FIPS mode." + ) + key_type = self._lib.EVP_PKEY_id(evp_pkey) + + if encoding is serialization.Encoding.PEM: + if key_type == self._lib.EVP_PKEY_RSA: + write_bio = self._lib.PEM_write_bio_RSAPrivateKey + else: + assert key_type == self._lib.EVP_PKEY_EC + write_bio = self._lib.PEM_write_bio_ECPrivateKey + return self._private_key_bytes_via_bio( + write_bio, cdata, password + ) + + if encoding is serialization.Encoding.DER: + if password: + raise ValueError( + "Encryption is not supported for DER encoded " + "traditional OpenSSL keys" + ) + if key_type == self._lib.EVP_PKEY_RSA: + write_bio = self._lib.i2d_RSAPrivateKey_bio + else: + assert key_type == self._lib.EVP_PKEY_EC + write_bio = self._lib.i2d_ECPrivateKey_bio + return self._bio_func_output(write_bio, cdata) + + raise ValueError("Unsupported encoding for TraditionalOpenSSL") + + # OpenSSH + PEM + if format is serialization.PrivateFormat.OpenSSH: + if encoding is serialization.Encoding.PEM: + return ssh._serialize_ssh_private_key( + key, password, encryption_algorithm + ) + + raise ValueError( + "OpenSSH private key format can only be used" + " with PEM encoding" + ) + + # Anything that key-specific code was supposed to handle earlier, + # like Raw. + raise ValueError("format is invalid with this key") + + def _private_key_bytes_via_bio( + self, write_bio, evp_pkey, password + ) -> bytes: + if not password: + evp_cipher = self._ffi.NULL + else: + # This is a curated value that we will update over time. + evp_cipher = self._lib.EVP_get_cipherbyname(b"aes-256-cbc") + + return self._bio_func_output( + write_bio, + evp_pkey, + evp_cipher, + password, + len(password), + self._ffi.NULL, + self._ffi.NULL, + ) + + def _bio_func_output(self, write_bio, *args) -> bytes: + bio = self._create_mem_bio_gc() + res = write_bio(bio, *args) + self.openssl_assert(res == 1) + return self._read_mem_bio(bio) + + def _public_key_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + key, + evp_pkey, + cdata, + ) -> bytes: + if not isinstance(encoding, serialization.Encoding): + raise TypeError("encoding must be an item from the Encoding enum") + if not isinstance(format, serialization.PublicFormat): + raise TypeError( + "format must be an item from the PublicFormat enum" + ) + + # SubjectPublicKeyInfo + PEM/DER + if format is serialization.PublicFormat.SubjectPublicKeyInfo: + if encoding is serialization.Encoding.PEM: + write_bio = self._lib.PEM_write_bio_PUBKEY + elif encoding is serialization.Encoding.DER: + write_bio = self._lib.i2d_PUBKEY_bio + else: + raise ValueError( + "SubjectPublicKeyInfo works only with PEM or DER encoding" + ) + return self._bio_func_output(write_bio, evp_pkey) + + # PKCS1 + PEM/DER + if format is serialization.PublicFormat.PKCS1: + # Only RSA is supported here. + key_type = self._lib.EVP_PKEY_id(evp_pkey) + if key_type != self._lib.EVP_PKEY_RSA: + raise ValueError("PKCS1 format is supported only for RSA keys") + + if encoding is serialization.Encoding.PEM: + write_bio = self._lib.PEM_write_bio_RSAPublicKey + elif encoding is serialization.Encoding.DER: + write_bio = self._lib.i2d_RSAPublicKey_bio + else: + raise ValueError("PKCS1 works only with PEM or DER encoding") + return self._bio_func_output(write_bio, cdata) + + # OpenSSH + OpenSSH + if format is serialization.PublicFormat.OpenSSH: + if encoding is serialization.Encoding.OpenSSH: + return ssh.serialize_ssh_public_key(key) + + raise ValueError( + "OpenSSH format must be used with OpenSSH encoding" + ) + + # Anything that key-specific code was supposed to handle earlier, + # like Raw, CompressedPoint, UncompressedPoint + raise ValueError("format is invalid with this key") + + def dh_supported(self) -> bool: + return not self._lib.CRYPTOGRAPHY_IS_BORINGSSL + + def generate_dh_parameters( + self, generator: int, key_size: int + ) -> dh.DHParameters: + return rust_openssl.dh.generate_parameters(generator, key_size) + + def generate_dh_private_key( + self, parameters: dh.DHParameters + ) -> dh.DHPrivateKey: + return parameters.generate_private_key() + + def generate_dh_private_key_and_parameters( + self, generator: int, key_size: int + ) -> dh.DHPrivateKey: + return self.generate_dh_private_key( + self.generate_dh_parameters(generator, key_size) + ) + + def load_dh_private_numbers( + self, numbers: dh.DHPrivateNumbers + ) -> dh.DHPrivateKey: + return rust_openssl.dh.from_private_numbers(numbers) + + def load_dh_public_numbers( + self, numbers: dh.DHPublicNumbers + ) -> dh.DHPublicKey: + return rust_openssl.dh.from_public_numbers(numbers) + + def load_dh_parameter_numbers( + self, numbers: dh.DHParameterNumbers + ) -> dh.DHParameters: + return rust_openssl.dh.from_parameter_numbers(numbers) + + def dh_parameters_supported( + self, p: int, g: int, q: typing.Optional[int] = None + ) -> bool: + try: + rust_openssl.dh.from_parameter_numbers( + dh.DHParameterNumbers(p=p, g=g, q=q) + ) + except ValueError: + return False + else: + return True + + def dh_x942_serialization_supported(self) -> bool: + return self._lib.Cryptography_HAS_EVP_PKEY_DHX == 1 + + def x25519_load_public_bytes(self, data: bytes) -> x25519.X25519PublicKey: + return rust_openssl.x25519.from_public_bytes(data) + + def x25519_load_private_bytes( + self, data: bytes + ) -> x25519.X25519PrivateKey: + return rust_openssl.x25519.from_private_bytes(data) + + def x25519_generate_key(self) -> x25519.X25519PrivateKey: + return rust_openssl.x25519.generate_key() + + def x25519_supported(self) -> bool: + if self._fips_enabled: + return False + return not self._lib.CRYPTOGRAPHY_LIBRESSL_LESS_THAN_370 + + def x448_load_public_bytes(self, data: bytes) -> x448.X448PublicKey: + return rust_openssl.x448.from_public_bytes(data) + + def x448_load_private_bytes(self, data: bytes) -> x448.X448PrivateKey: + return rust_openssl.x448.from_private_bytes(data) + + def x448_generate_key(self) -> x448.X448PrivateKey: + return rust_openssl.x448.generate_key() + + def x448_supported(self) -> bool: + if self._fips_enabled: + return False + return ( + not self._lib.CRYPTOGRAPHY_IS_LIBRESSL + and not self._lib.CRYPTOGRAPHY_IS_BORINGSSL + ) + + def ed25519_supported(self) -> bool: + if self._fips_enabled: + return False + return self._lib.CRYPTOGRAPHY_HAS_WORKING_ED25519 + + def ed25519_load_public_bytes( + self, data: bytes + ) -> ed25519.Ed25519PublicKey: + return rust_openssl.ed25519.from_public_bytes(data) + + def ed25519_load_private_bytes( + self, data: bytes + ) -> ed25519.Ed25519PrivateKey: + return rust_openssl.ed25519.from_private_bytes(data) + + def ed25519_generate_key(self) -> ed25519.Ed25519PrivateKey: + return rust_openssl.ed25519.generate_key() + + def ed448_supported(self) -> bool: + if self._fips_enabled: + return False + return ( + not self._lib.CRYPTOGRAPHY_IS_LIBRESSL + and not self._lib.CRYPTOGRAPHY_IS_BORINGSSL + ) + + def ed448_load_public_bytes(self, data: bytes) -> ed448.Ed448PublicKey: + return rust_openssl.ed448.from_public_bytes(data) + + def ed448_load_private_bytes(self, data: bytes) -> ed448.Ed448PrivateKey: + return rust_openssl.ed448.from_private_bytes(data) + + def ed448_generate_key(self) -> ed448.Ed448PrivateKey: + return rust_openssl.ed448.generate_key() + + def aead_cipher_supported(self, cipher) -> bool: + return aead._aead_cipher_supported(self, cipher) + + def _zero_data(self, data, length: int) -> None: + # We clear things this way because at the moment we're not + # sure of a better way that can guarantee it overwrites the + # memory of a bytearray and doesn't just replace the underlying char *. + for i in range(length): + data[i] = 0 + + @contextlib.contextmanager + def _zeroed_null_terminated_buf(self, data): + """ + This method takes bytes, which can be a bytestring or a mutable + buffer like a bytearray, and yields a null-terminated version of that + data. This is required because PKCS12_parse doesn't take a length with + its password char * and ffi.from_buffer doesn't provide null + termination. So, to support zeroing the data via bytearray we + need to build this ridiculous construct that copies the memory, but + zeroes it after use. + """ + if data is None: + yield self._ffi.NULL + else: + data_len = len(data) + buf = self._ffi.new("char[]", data_len + 1) + self._ffi.memmove(buf, data, data_len) + try: + yield buf + finally: + # Cast to a uint8_t * so we can assign by integer + self._zero_data(self._ffi.cast("uint8_t *", buf), data_len) + + def load_key_and_certificates_from_pkcs12( + self, data: bytes, password: typing.Optional[bytes] + ) -> typing.Tuple[ + typing.Optional[PrivateKeyTypes], + typing.Optional[x509.Certificate], + typing.List[x509.Certificate], + ]: + pkcs12 = self.load_pkcs12(data, password) + return ( + pkcs12.key, + pkcs12.cert.certificate if pkcs12.cert else None, + [cert.certificate for cert in pkcs12.additional_certs], + ) + + def load_pkcs12( + self, data: bytes, password: typing.Optional[bytes] + ) -> PKCS12KeyAndCertificates: + if password is not None: + utils._check_byteslike("password", password) + + bio = self._bytes_to_bio(data) + p12 = self._lib.d2i_PKCS12_bio(bio.bio, self._ffi.NULL) + if p12 == self._ffi.NULL: + self._consume_errors() + raise ValueError("Could not deserialize PKCS12 data") + + p12 = self._ffi.gc(p12, self._lib.PKCS12_free) + evp_pkey_ptr = self._ffi.new("EVP_PKEY **") + x509_ptr = self._ffi.new("X509 **") + sk_x509_ptr = self._ffi.new("Cryptography_STACK_OF_X509 **") + with self._zeroed_null_terminated_buf(password) as password_buf: + res = self._lib.PKCS12_parse( + p12, password_buf, evp_pkey_ptr, x509_ptr, sk_x509_ptr + ) + if res == 0: + self._consume_errors() + raise ValueError("Invalid password or PKCS12 data") + + cert = None + key = None + additional_certificates = [] + + if evp_pkey_ptr[0] != self._ffi.NULL: + evp_pkey = self._ffi.gc(evp_pkey_ptr[0], self._lib.EVP_PKEY_free) + # We don't support turning off RSA key validation when loading + # PKCS12 keys + key = self._evp_pkey_to_private_key( + evp_pkey, unsafe_skip_rsa_key_validation=False + ) + + if x509_ptr[0] != self._ffi.NULL: + x509 = self._ffi.gc(x509_ptr[0], self._lib.X509_free) + cert_obj = self._ossl2cert(x509) + name = None + maybe_name = self._lib.X509_alias_get0(x509, self._ffi.NULL) + if maybe_name != self._ffi.NULL: + name = self._ffi.string(maybe_name) + cert = PKCS12Certificate(cert_obj, name) + + if sk_x509_ptr[0] != self._ffi.NULL: + sk_x509 = self._ffi.gc(sk_x509_ptr[0], self._lib.sk_X509_free) + num = self._lib.sk_X509_num(sk_x509_ptr[0]) + + # In OpenSSL < 3.0.0 PKCS12 parsing reverses the order of the + # certificates. + indices: typing.Iterable[int] + if ( + self._lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER + or self._lib.CRYPTOGRAPHY_IS_BORINGSSL + ): + indices = range(num) + else: + indices = reversed(range(num)) + + for i in indices: + x509 = self._lib.sk_X509_value(sk_x509, i) + self.openssl_assert(x509 != self._ffi.NULL) + x509 = self._ffi.gc(x509, self._lib.X509_free) + addl_cert = self._ossl2cert(x509) + addl_name = None + maybe_name = self._lib.X509_alias_get0(x509, self._ffi.NULL) + if maybe_name != self._ffi.NULL: + addl_name = self._ffi.string(maybe_name) + additional_certificates.append( + PKCS12Certificate(addl_cert, addl_name) + ) + + return PKCS12KeyAndCertificates(key, cert, additional_certificates) + + def serialize_key_and_certificates_to_pkcs12( + self, + name: typing.Optional[bytes], + key: typing.Optional[PKCS12PrivateKeyTypes], + cert: typing.Optional[x509.Certificate], + cas: typing.Optional[typing.List[_PKCS12CATypes]], + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + password = None + if name is not None: + utils._check_bytes("name", name) + + if isinstance(encryption_algorithm, serialization.NoEncryption): + nid_cert = -1 + nid_key = -1 + pkcs12_iter = 0 + mac_iter = 0 + mac_alg = self._ffi.NULL + elif isinstance( + encryption_algorithm, serialization.BestAvailableEncryption + ): + # PKCS12 encryption is hopeless trash and can never be fixed. + # OpenSSL 3 supports PBESv2, but Libre and Boring do not, so + # we use PBESv1 with 3DES on the older paths. + if self._lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER: + nid_cert = self._lib.NID_aes_256_cbc + nid_key = self._lib.NID_aes_256_cbc + else: + nid_cert = self._lib.NID_pbe_WithSHA1And3_Key_TripleDES_CBC + nid_key = self._lib.NID_pbe_WithSHA1And3_Key_TripleDES_CBC + # At least we can set this higher than OpenSSL's default + pkcs12_iter = 20000 + # mac_iter chosen for compatibility reasons, see: + # https://www.openssl.org/docs/man1.1.1/man3/PKCS12_create.html + # Did we mention how lousy PKCS12 encryption is? + mac_iter = 1 + # MAC algorithm can only be set on OpenSSL 3.0.0+ + mac_alg = self._ffi.NULL + password = encryption_algorithm.password + elif ( + isinstance( + encryption_algorithm, serialization._KeySerializationEncryption + ) + and encryption_algorithm._format + is serialization.PrivateFormat.PKCS12 + ): + # Default to OpenSSL's defaults. Behavior will vary based on the + # version of OpenSSL cryptography is compiled against. + nid_cert = 0 + nid_key = 0 + # Use the default iters we use in best available + pkcs12_iter = 20000 + # See the Best Available comment for why this is 1 + mac_iter = 1 + password = encryption_algorithm.password + keycertalg = encryption_algorithm._key_cert_algorithm + if keycertalg is PBES.PBESv1SHA1And3KeyTripleDESCBC: + nid_cert = self._lib.NID_pbe_WithSHA1And3_Key_TripleDES_CBC + nid_key = self._lib.NID_pbe_WithSHA1And3_Key_TripleDES_CBC + elif keycertalg is PBES.PBESv2SHA256AndAES256CBC: + if not self._lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER: + raise UnsupportedAlgorithm( + "PBESv2 is not supported by this version of OpenSSL" + ) + nid_cert = self._lib.NID_aes_256_cbc + nid_key = self._lib.NID_aes_256_cbc + else: + assert keycertalg is None + # We use OpenSSL's defaults + + if encryption_algorithm._hmac_hash is not None: + if not self._lib.Cryptography_HAS_PKCS12_SET_MAC: + raise UnsupportedAlgorithm( + "Setting MAC algorithm is not supported by this " + "version of OpenSSL." + ) + mac_alg = self._evp_md_non_null_from_algorithm( + encryption_algorithm._hmac_hash + ) + self.openssl_assert(mac_alg != self._ffi.NULL) + else: + mac_alg = self._ffi.NULL + + if encryption_algorithm._kdf_rounds is not None: + pkcs12_iter = encryption_algorithm._kdf_rounds + + else: + raise ValueError("Unsupported key encryption type") + + if cas is None or len(cas) == 0: + sk_x509 = self._ffi.NULL + else: + sk_x509 = self._lib.sk_X509_new_null() + sk_x509 = self._ffi.gc(sk_x509, self._lib.sk_X509_free) + + # This list is to keep the x509 values alive until end of function + ossl_cas = [] + for ca in cas: + if isinstance(ca, PKCS12Certificate): + ca_alias = ca.friendly_name + ossl_ca = self._cert2ossl(ca.certificate) + if ca_alias is None: + res = self._lib.X509_alias_set1( + ossl_ca, self._ffi.NULL, -1 + ) + else: + res = self._lib.X509_alias_set1( + ossl_ca, ca_alias, len(ca_alias) + ) + self.openssl_assert(res == 1) + else: + ossl_ca = self._cert2ossl(ca) + ossl_cas.append(ossl_ca) + res = self._lib.sk_X509_push(sk_x509, ossl_ca) + backend.openssl_assert(res >= 1) + + with self._zeroed_null_terminated_buf(password) as password_buf: + with self._zeroed_null_terminated_buf(name) as name_buf: + ossl_cert = self._cert2ossl(cert) if cert else self._ffi.NULL + ossl_pkey = ( + self._key2ossl(key) if key is not None else self._ffi.NULL + ) + + p12 = self._lib.PKCS12_create( + password_buf, + name_buf, + ossl_pkey, + ossl_cert, + sk_x509, + nid_key, + nid_cert, + pkcs12_iter, + mac_iter, + 0, + ) + + if ( + self._lib.Cryptography_HAS_PKCS12_SET_MAC + and mac_alg != self._ffi.NULL + ): + self._lib.PKCS12_set_mac( + p12, + password_buf, + -1, + self._ffi.NULL, + 0, + mac_iter, + mac_alg, + ) + + self.openssl_assert(p12 != self._ffi.NULL) + p12 = self._ffi.gc(p12, self._lib.PKCS12_free) + + bio = self._create_mem_bio_gc() + res = self._lib.i2d_PKCS12_bio(bio, p12) + self.openssl_assert(res > 0) + return self._read_mem_bio(bio) + + def poly1305_supported(self) -> bool: + if self._fips_enabled: + return False + return self._lib.Cryptography_HAS_POLY1305 == 1 + + def pkcs7_supported(self) -> bool: + return not self._lib.CRYPTOGRAPHY_IS_BORINGSSL + + def load_pem_pkcs7_certificates( + self, data: bytes + ) -> typing.List[x509.Certificate]: + utils._check_bytes("data", data) + bio = self._bytes_to_bio(data) + p7 = self._lib.PEM_read_bio_PKCS7( + bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if p7 == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to parse PKCS7 data") + + p7 = self._ffi.gc(p7, self._lib.PKCS7_free) + return self._load_pkcs7_certificates(p7) + + def load_der_pkcs7_certificates( + self, data: bytes + ) -> typing.List[x509.Certificate]: + utils._check_bytes("data", data) + bio = self._bytes_to_bio(data) + p7 = self._lib.d2i_PKCS7_bio(bio.bio, self._ffi.NULL) + if p7 == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to parse PKCS7 data") + + p7 = self._ffi.gc(p7, self._lib.PKCS7_free) + return self._load_pkcs7_certificates(p7) + + def _load_pkcs7_certificates(self, p7) -> typing.List[x509.Certificate]: + nid = self._lib.OBJ_obj2nid(p7.type) + self.openssl_assert(nid != self._lib.NID_undef) + if nid != self._lib.NID_pkcs7_signed: + raise UnsupportedAlgorithm( + "Only basic signed structures are currently supported. NID" + " for this data was {}".format(nid), + _Reasons.UNSUPPORTED_SERIALIZATION, + ) + + sk_x509 = p7.d.sign.cert + num = self._lib.sk_X509_num(sk_x509) + certs = [] + for i in range(num): + x509 = self._lib.sk_X509_value(sk_x509, i) + self.openssl_assert(x509 != self._ffi.NULL) + cert = self._ossl2cert(x509) + certs.append(cert) + + return certs + + +class GetCipherByName: + def __init__(self, fmt: str): + self._fmt = fmt + + def __call__(self, backend: Backend, cipher: CipherAlgorithm, mode: Mode): + cipher_name = self._fmt.format(cipher=cipher, mode=mode).lower() + evp_cipher = backend._lib.EVP_get_cipherbyname( + cipher_name.encode("ascii") + ) + + # try EVP_CIPHER_fetch if present + if ( + evp_cipher == backend._ffi.NULL + and backend._lib.Cryptography_HAS_300_EVP_CIPHER + ): + evp_cipher = backend._lib.EVP_CIPHER_fetch( + backend._ffi.NULL, + cipher_name.encode("ascii"), + backend._ffi.NULL, + ) + + backend._consume_errors() + return evp_cipher + + +def _get_xts_cipher(backend: Backend, cipher: AES, mode): + cipher_name = f"aes-{cipher.key_size // 2}-xts" + return backend._lib.EVP_get_cipherbyname(cipher_name.encode("ascii")) + + +backend = Backend() diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/ciphers.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/ciphers.py new file mode 100644 index 0000000..bc42adb --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/ciphers.py @@ -0,0 +1,281 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.exceptions import InvalidTag, UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import ciphers +from cryptography.hazmat.primitives.ciphers import algorithms, modes + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.backend import Backend + + +class _CipherContext: + _ENCRYPT = 1 + _DECRYPT = 0 + _MAX_CHUNK_SIZE = 2**30 - 1 + + def __init__(self, backend: Backend, cipher, mode, operation: int) -> None: + self._backend = backend + self._cipher = cipher + self._mode = mode + self._operation = operation + self._tag: typing.Optional[bytes] = None + + if isinstance(self._cipher, ciphers.BlockCipherAlgorithm): + self._block_size_bytes = self._cipher.block_size // 8 + else: + self._block_size_bytes = 1 + + ctx = self._backend._lib.EVP_CIPHER_CTX_new() + ctx = self._backend._ffi.gc( + ctx, self._backend._lib.EVP_CIPHER_CTX_free + ) + + registry = self._backend._cipher_registry + try: + adapter = registry[type(cipher), type(mode)] + except KeyError: + raise UnsupportedAlgorithm( + "cipher {} in {} mode is not supported " + "by this backend.".format( + cipher.name, mode.name if mode else mode + ), + _Reasons.UNSUPPORTED_CIPHER, + ) + + evp_cipher = adapter(self._backend, cipher, mode) + if evp_cipher == self._backend._ffi.NULL: + msg = f"cipher {cipher.name} " + if mode is not None: + msg += f"in {mode.name} mode " + msg += ( + "is not supported by this backend (Your version of OpenSSL " + "may be too old. Current version: {}.)" + ).format(self._backend.openssl_version_text()) + raise UnsupportedAlgorithm(msg, _Reasons.UNSUPPORTED_CIPHER) + + if isinstance(mode, modes.ModeWithInitializationVector): + iv_nonce = self._backend._ffi.from_buffer( + mode.initialization_vector + ) + elif isinstance(mode, modes.ModeWithTweak): + iv_nonce = self._backend._ffi.from_buffer(mode.tweak) + elif isinstance(mode, modes.ModeWithNonce): + iv_nonce = self._backend._ffi.from_buffer(mode.nonce) + elif isinstance(cipher, algorithms.ChaCha20): + iv_nonce = self._backend._ffi.from_buffer(cipher.nonce) + else: + iv_nonce = self._backend._ffi.NULL + # begin init with cipher and operation type + res = self._backend._lib.EVP_CipherInit_ex( + ctx, + evp_cipher, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + operation, + ) + self._backend.openssl_assert(res != 0) + # set the key length to handle variable key ciphers + res = self._backend._lib.EVP_CIPHER_CTX_set_key_length( + ctx, len(cipher.key) + ) + self._backend.openssl_assert(res != 0) + if isinstance(mode, modes.GCM): + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, + self._backend._lib.EVP_CTRL_AEAD_SET_IVLEN, + len(iv_nonce), + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(res != 0) + if mode.tag is not None: + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, + self._backend._lib.EVP_CTRL_AEAD_SET_TAG, + len(mode.tag), + mode.tag, + ) + self._backend.openssl_assert(res != 0) + self._tag = mode.tag + + # pass key/iv + res = self._backend._lib.EVP_CipherInit_ex( + ctx, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.from_buffer(cipher.key), + iv_nonce, + operation, + ) + + # Check for XTS mode duplicate keys error + errors = self._backend._consume_errors() + lib = self._backend._lib + if res == 0 and ( + ( + not lib.CRYPTOGRAPHY_IS_LIBRESSL + and errors[0]._lib_reason_match( + lib.ERR_LIB_EVP, lib.EVP_R_XTS_DUPLICATED_KEYS + ) + ) + or ( + lib.Cryptography_HAS_PROVIDERS + and errors[0]._lib_reason_match( + lib.ERR_LIB_PROV, lib.PROV_R_XTS_DUPLICATED_KEYS + ) + ) + ): + raise ValueError("In XTS mode duplicated keys are not allowed") + + self._backend.openssl_assert(res != 0, errors=errors) + + # We purposely disable padding here as it's handled higher up in the + # API. + self._backend._lib.EVP_CIPHER_CTX_set_padding(ctx, 0) + self._ctx = ctx + + def update(self, data: bytes) -> bytes: + buf = bytearray(len(data) + self._block_size_bytes - 1) + n = self.update_into(data, buf) + return bytes(buf[:n]) + + def update_into(self, data: bytes, buf: bytes) -> int: + total_data_len = len(data) + if len(buf) < (total_data_len + self._block_size_bytes - 1): + raise ValueError( + "buffer must be at least {} bytes for this " + "payload".format(len(data) + self._block_size_bytes - 1) + ) + + data_processed = 0 + total_out = 0 + outlen = self._backend._ffi.new("int *") + baseoutbuf = self._backend._ffi.from_buffer(buf, require_writable=True) + baseinbuf = self._backend._ffi.from_buffer(data) + + while data_processed != total_data_len: + outbuf = baseoutbuf + total_out + inbuf = baseinbuf + data_processed + inlen = min(self._MAX_CHUNK_SIZE, total_data_len - data_processed) + + res = self._backend._lib.EVP_CipherUpdate( + self._ctx, outbuf, outlen, inbuf, inlen + ) + if res == 0 and isinstance(self._mode, modes.XTS): + self._backend._consume_errors() + raise ValueError( + "In XTS mode you must supply at least a full block in the " + "first update call. For AES this is 16 bytes." + ) + else: + self._backend.openssl_assert(res != 0) + data_processed += inlen + total_out += outlen[0] + + return total_out + + def finalize(self) -> bytes: + if ( + self._operation == self._DECRYPT + and isinstance(self._mode, modes.ModeWithAuthenticationTag) + and self.tag is None + ): + raise ValueError( + "Authentication tag must be provided when decrypting." + ) + + buf = self._backend._ffi.new("unsigned char[]", self._block_size_bytes) + outlen = self._backend._ffi.new("int *") + res = self._backend._lib.EVP_CipherFinal_ex(self._ctx, buf, outlen) + if res == 0: + errors = self._backend._consume_errors() + + if not errors and isinstance(self._mode, modes.GCM): + raise InvalidTag + + lib = self._backend._lib + self._backend.openssl_assert( + errors[0]._lib_reason_match( + lib.ERR_LIB_EVP, + lib.EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH, + ) + or ( + lib.Cryptography_HAS_PROVIDERS + and errors[0]._lib_reason_match( + lib.ERR_LIB_PROV, + lib.PROV_R_WRONG_FINAL_BLOCK_LENGTH, + ) + ) + or ( + lib.CRYPTOGRAPHY_IS_BORINGSSL + and errors[0].reason + == lib.CIPHER_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH + ), + errors=errors, + ) + raise ValueError( + "The length of the provided data is not a multiple of " + "the block length." + ) + + if ( + isinstance(self._mode, modes.GCM) + and self._operation == self._ENCRYPT + ): + tag_buf = self._backend._ffi.new( + "unsigned char[]", self._block_size_bytes + ) + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + self._ctx, + self._backend._lib.EVP_CTRL_AEAD_GET_TAG, + self._block_size_bytes, + tag_buf, + ) + self._backend.openssl_assert(res != 0) + self._tag = self._backend._ffi.buffer(tag_buf)[:] + + res = self._backend._lib.EVP_CIPHER_CTX_reset(self._ctx) + self._backend.openssl_assert(res == 1) + return self._backend._ffi.buffer(buf)[: outlen[0]] + + def finalize_with_tag(self, tag: bytes) -> bytes: + tag_len = len(tag) + if tag_len < self._mode._min_tag_length: + raise ValueError( + "Authentication tag must be {} bytes or longer.".format( + self._mode._min_tag_length + ) + ) + elif tag_len > self._block_size_bytes: + raise ValueError( + "Authentication tag cannot be more than {} bytes.".format( + self._block_size_bytes + ) + ) + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + self._ctx, self._backend._lib.EVP_CTRL_AEAD_SET_TAG, len(tag), tag + ) + self._backend.openssl_assert(res != 0) + self._tag = tag + return self.finalize() + + def authenticate_additional_data(self, data: bytes) -> None: + outlen = self._backend._ffi.new("int *") + res = self._backend._lib.EVP_CipherUpdate( + self._ctx, + self._backend._ffi.NULL, + outlen, + self._backend._ffi.from_buffer(data), + len(data), + ) + self._backend.openssl_assert(res != 0) + + @property + def tag(self) -> typing.Optional[bytes]: + return self._tag diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/cmac.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/cmac.py new file mode 100644 index 0000000..bdd7fec --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/cmac.py @@ -0,0 +1,89 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.exceptions import ( + InvalidSignature, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.primitives import constant_time +from cryptography.hazmat.primitives.ciphers.modes import CBC + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.backend import Backend + from cryptography.hazmat.primitives import ciphers + + +class _CMACContext: + def __init__( + self, + backend: Backend, + algorithm: ciphers.BlockCipherAlgorithm, + ctx=None, + ) -> None: + if not backend.cmac_algorithm_supported(algorithm): + raise UnsupportedAlgorithm( + "This backend does not support CMAC.", + _Reasons.UNSUPPORTED_CIPHER, + ) + + self._backend = backend + self._key = algorithm.key + self._algorithm = algorithm + self._output_length = algorithm.block_size // 8 + + if ctx is None: + registry = self._backend._cipher_registry + adapter = registry[type(algorithm), CBC] + + evp_cipher = adapter(self._backend, algorithm, CBC) + + ctx = self._backend._lib.CMAC_CTX_new() + + self._backend.openssl_assert(ctx != self._backend._ffi.NULL) + ctx = self._backend._ffi.gc(ctx, self._backend._lib.CMAC_CTX_free) + + key_ptr = self._backend._ffi.from_buffer(self._key) + res = self._backend._lib.CMAC_Init( + ctx, + key_ptr, + len(self._key), + evp_cipher, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(res == 1) + + self._ctx = ctx + + def update(self, data: bytes) -> None: + res = self._backend._lib.CMAC_Update(self._ctx, data, len(data)) + self._backend.openssl_assert(res == 1) + + def finalize(self) -> bytes: + buf = self._backend._ffi.new("unsigned char[]", self._output_length) + length = self._backend._ffi.new("size_t *", self._output_length) + res = self._backend._lib.CMAC_Final(self._ctx, buf, length) + self._backend.openssl_assert(res == 1) + + self._ctx = None + + return self._backend._ffi.buffer(buf)[:] + + def copy(self) -> _CMACContext: + copied_ctx = self._backend._lib.CMAC_CTX_new() + copied_ctx = self._backend._ffi.gc( + copied_ctx, self._backend._lib.CMAC_CTX_free + ) + res = self._backend._lib.CMAC_CTX_copy(copied_ctx, self._ctx) + self._backend.openssl_assert(res == 1) + return _CMACContext(self._backend, self._algorithm, ctx=copied_ctx) + + def verify(self, signature: bytes) -> None: + digest = self.finalize() + if not constant_time.bytes_eq(digest, signature): + raise InvalidSignature("Signature did not match digest.") diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/decode_asn1.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/decode_asn1.py new file mode 100644 index 0000000..bf123b6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/decode_asn1.py @@ -0,0 +1,32 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography import x509 + +# CRLReason ::= ENUMERATED { +# unspecified (0), +# keyCompromise (1), +# cACompromise (2), +# affiliationChanged (3), +# superseded (4), +# cessationOfOperation (5), +# certificateHold (6), +# -- value 7 is not used +# removeFromCRL (8), +# privilegeWithdrawn (9), +# aACompromise (10) } +_CRL_ENTRY_REASON_ENUM_TO_CODE = { + x509.ReasonFlags.unspecified: 0, + x509.ReasonFlags.key_compromise: 1, + x509.ReasonFlags.ca_compromise: 2, + x509.ReasonFlags.affiliation_changed: 3, + x509.ReasonFlags.superseded: 4, + x509.ReasonFlags.cessation_of_operation: 5, + x509.ReasonFlags.certificate_hold: 6, + x509.ReasonFlags.remove_from_crl: 8, + x509.ReasonFlags.privilege_withdrawn: 9, + x509.ReasonFlags.aa_compromise: 10, +} diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/ec.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/ec.py new file mode 100644 index 0000000..9821bd1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/ec.py @@ -0,0 +1,328 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.exceptions import ( + InvalidSignature, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends.openssl.utils import ( + _calculate_digest_and_algorithm, + _evp_pkey_derive, +) +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric import ec + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.backend import Backend + + +def _check_signature_algorithm( + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, +) -> None: + if not isinstance(signature_algorithm, ec.ECDSA): + raise UnsupportedAlgorithm( + "Unsupported elliptic curve signature algorithm.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + +def _ec_key_curve_sn(backend: Backend, ec_key) -> str: + group = backend._lib.EC_KEY_get0_group(ec_key) + backend.openssl_assert(group != backend._ffi.NULL) + + nid = backend._lib.EC_GROUP_get_curve_name(group) + # The following check is to find EC keys with unnamed curves and raise + # an error for now. + if nid == backend._lib.NID_undef: + raise ValueError( + "ECDSA keys with explicit parameters are unsupported at this time" + ) + + # This is like the above check, but it also catches the case where you + # explicitly encoded a curve with the same parameters as a named curve. + # Don't do that. + if ( + not backend._lib.CRYPTOGRAPHY_IS_LIBRESSL + and backend._lib.EC_GROUP_get_asn1_flag(group) == 0 + ): + raise ValueError( + "ECDSA keys with explicit parameters are unsupported at this time" + ) + + curve_name = backend._lib.OBJ_nid2sn(nid) + backend.openssl_assert(curve_name != backend._ffi.NULL) + + sn = backend._ffi.string(curve_name).decode("ascii") + return sn + + +def _mark_asn1_named_ec_curve(backend: Backend, ec_cdata): + """ + Set the named curve flag on the EC_KEY. This causes OpenSSL to + serialize EC keys along with their curve OID which makes + deserialization easier. + """ + + backend._lib.EC_KEY_set_asn1_flag( + ec_cdata, backend._lib.OPENSSL_EC_NAMED_CURVE + ) + + +def _check_key_infinity(backend: Backend, ec_cdata) -> None: + point = backend._lib.EC_KEY_get0_public_key(ec_cdata) + backend.openssl_assert(point != backend._ffi.NULL) + group = backend._lib.EC_KEY_get0_group(ec_cdata) + backend.openssl_assert(group != backend._ffi.NULL) + if backend._lib.EC_POINT_is_at_infinity(group, point): + raise ValueError( + "Cannot load an EC public key where the point is at infinity" + ) + + +def _sn_to_elliptic_curve(backend: Backend, sn: str) -> ec.EllipticCurve: + try: + return ec._CURVE_TYPES[sn]() + except KeyError: + raise UnsupportedAlgorithm( + f"{sn} is not a supported elliptic curve", + _Reasons.UNSUPPORTED_ELLIPTIC_CURVE, + ) + + +def _ecdsa_sig_sign( + backend: Backend, private_key: _EllipticCurvePrivateKey, data: bytes +) -> bytes: + max_size = backend._lib.ECDSA_size(private_key._ec_key) + backend.openssl_assert(max_size > 0) + + sigbuf = backend._ffi.new("unsigned char[]", max_size) + siglen_ptr = backend._ffi.new("unsigned int[]", 1) + res = backend._lib.ECDSA_sign( + 0, data, len(data), sigbuf, siglen_ptr, private_key._ec_key + ) + backend.openssl_assert(res == 1) + return backend._ffi.buffer(sigbuf)[: siglen_ptr[0]] + + +def _ecdsa_sig_verify( + backend: Backend, + public_key: _EllipticCurvePublicKey, + signature: bytes, + data: bytes, +) -> None: + res = backend._lib.ECDSA_verify( + 0, data, len(data), signature, len(signature), public_key._ec_key + ) + if res != 1: + backend._consume_errors() + raise InvalidSignature + + +class _EllipticCurvePrivateKey(ec.EllipticCurvePrivateKey): + def __init__(self, backend: Backend, ec_key_cdata, evp_pkey): + self._backend = backend + self._ec_key = ec_key_cdata + self._evp_pkey = evp_pkey + + sn = _ec_key_curve_sn(backend, ec_key_cdata) + self._curve = _sn_to_elliptic_curve(backend, sn) + _mark_asn1_named_ec_curve(backend, ec_key_cdata) + _check_key_infinity(backend, ec_key_cdata) + + @property + def curve(self) -> ec.EllipticCurve: + return self._curve + + @property + def key_size(self) -> int: + return self.curve.key_size + + def exchange( + self, algorithm: ec.ECDH, peer_public_key: ec.EllipticCurvePublicKey + ) -> bytes: + if not ( + self._backend.elliptic_curve_exchange_algorithm_supported( + algorithm, self.curve + ) + ): + raise UnsupportedAlgorithm( + "This backend does not support the ECDH algorithm.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + if peer_public_key.curve.name != self.curve.name: + raise ValueError( + "peer_public_key and self are not on the same curve" + ) + + return _evp_pkey_derive(self._backend, self._evp_pkey, peer_public_key) + + def public_key(self) -> ec.EllipticCurvePublicKey: + group = self._backend._lib.EC_KEY_get0_group(self._ec_key) + self._backend.openssl_assert(group != self._backend._ffi.NULL) + + curve_nid = self._backend._lib.EC_GROUP_get_curve_name(group) + public_ec_key = self._backend._ec_key_new_by_curve_nid(curve_nid) + + point = self._backend._lib.EC_KEY_get0_public_key(self._ec_key) + self._backend.openssl_assert(point != self._backend._ffi.NULL) + + res = self._backend._lib.EC_KEY_set_public_key(public_ec_key, point) + self._backend.openssl_assert(res == 1) + + evp_pkey = self._backend._ec_cdata_to_evp_pkey(public_ec_key) + + return _EllipticCurvePublicKey(self._backend, public_ec_key, evp_pkey) + + def private_numbers(self) -> ec.EllipticCurvePrivateNumbers: + bn = self._backend._lib.EC_KEY_get0_private_key(self._ec_key) + private_value = self._backend._bn_to_int(bn) + return ec.EllipticCurvePrivateNumbers( + private_value=private_value, + public_numbers=self.public_key().public_numbers(), + ) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + return self._backend._private_key_bytes( + encoding, + format, + encryption_algorithm, + self, + self._evp_pkey, + self._ec_key, + ) + + def sign( + self, + data: bytes, + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, + ) -> bytes: + _check_signature_algorithm(signature_algorithm) + data, _ = _calculate_digest_and_algorithm( + data, + signature_algorithm.algorithm, + ) + return _ecdsa_sig_sign(self._backend, self, data) + + +class _EllipticCurvePublicKey(ec.EllipticCurvePublicKey): + def __init__(self, backend: Backend, ec_key_cdata, evp_pkey): + self._backend = backend + self._ec_key = ec_key_cdata + self._evp_pkey = evp_pkey + + sn = _ec_key_curve_sn(backend, ec_key_cdata) + self._curve = _sn_to_elliptic_curve(backend, sn) + _mark_asn1_named_ec_curve(backend, ec_key_cdata) + _check_key_infinity(backend, ec_key_cdata) + + @property + def curve(self) -> ec.EllipticCurve: + return self._curve + + @property + def key_size(self) -> int: + return self.curve.key_size + + def __eq__(self, other: object) -> bool: + if not isinstance(other, _EllipticCurvePublicKey): + return NotImplemented + + return ( + self._backend._lib.EVP_PKEY_cmp(self._evp_pkey, other._evp_pkey) + == 1 + ) + + def public_numbers(self) -> ec.EllipticCurvePublicNumbers: + group = self._backend._lib.EC_KEY_get0_group(self._ec_key) + self._backend.openssl_assert(group != self._backend._ffi.NULL) + + point = self._backend._lib.EC_KEY_get0_public_key(self._ec_key) + self._backend.openssl_assert(point != self._backend._ffi.NULL) + + with self._backend._tmp_bn_ctx() as bn_ctx: + bn_x = self._backend._lib.BN_CTX_get(bn_ctx) + bn_y = self._backend._lib.BN_CTX_get(bn_ctx) + + res = self._backend._lib.EC_POINT_get_affine_coordinates( + group, point, bn_x, bn_y, bn_ctx + ) + self._backend.openssl_assert(res == 1) + + x = self._backend._bn_to_int(bn_x) + y = self._backend._bn_to_int(bn_y) + + return ec.EllipticCurvePublicNumbers(x=x, y=y, curve=self._curve) + + def _encode_point(self, format: serialization.PublicFormat) -> bytes: + if format is serialization.PublicFormat.CompressedPoint: + conversion = self._backend._lib.POINT_CONVERSION_COMPRESSED + else: + assert format is serialization.PublicFormat.UncompressedPoint + conversion = self._backend._lib.POINT_CONVERSION_UNCOMPRESSED + + group = self._backend._lib.EC_KEY_get0_group(self._ec_key) + self._backend.openssl_assert(group != self._backend._ffi.NULL) + point = self._backend._lib.EC_KEY_get0_public_key(self._ec_key) + self._backend.openssl_assert(point != self._backend._ffi.NULL) + with self._backend._tmp_bn_ctx() as bn_ctx: + buflen = self._backend._lib.EC_POINT_point2oct( + group, point, conversion, self._backend._ffi.NULL, 0, bn_ctx + ) + self._backend.openssl_assert(buflen > 0) + buf = self._backend._ffi.new("char[]", buflen) + res = self._backend._lib.EC_POINT_point2oct( + group, point, conversion, buf, buflen, bn_ctx + ) + self._backend.openssl_assert(buflen == res) + + return self._backend._ffi.buffer(buf)[:] + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + if ( + encoding is serialization.Encoding.X962 + or format is serialization.PublicFormat.CompressedPoint + or format is serialization.PublicFormat.UncompressedPoint + ): + if encoding is not serialization.Encoding.X962 or format not in ( + serialization.PublicFormat.CompressedPoint, + serialization.PublicFormat.UncompressedPoint, + ): + raise ValueError( + "X962 encoding must be used with CompressedPoint or " + "UncompressedPoint format" + ) + + return self._encode_point(format) + else: + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) + + def verify( + self, + signature: bytes, + data: bytes, + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, + ) -> None: + _check_signature_algorithm(signature_algorithm) + data, _ = _calculate_digest_and_algorithm( + data, + signature_algorithm.algorithm, + ) + _ecdsa_sig_verify(self._backend, self, signature, data) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/rsa.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/rsa.py new file mode 100644 index 0000000..ef27d4e --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/rsa.py @@ -0,0 +1,599 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import threading +import typing + +from cryptography.exceptions import ( + InvalidSignature, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends.openssl.utils import ( + _calculate_digest_and_algorithm, +) +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import utils as asym_utils +from cryptography.hazmat.primitives.asymmetric.padding import ( + MGF1, + OAEP, + PSS, + AsymmetricPadding, + PKCS1v15, + _Auto, + _DigestLength, + _MaxLength, + calculate_max_pss_salt_length, +) +from cryptography.hazmat.primitives.asymmetric.rsa import ( + RSAPrivateKey, + RSAPrivateNumbers, + RSAPublicKey, + RSAPublicNumbers, +) + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.backend import Backend + + +def _get_rsa_pss_salt_length( + backend: Backend, + pss: PSS, + key: typing.Union[RSAPrivateKey, RSAPublicKey], + hash_algorithm: hashes.HashAlgorithm, +) -> int: + salt = pss._salt_length + + if isinstance(salt, _MaxLength): + return calculate_max_pss_salt_length(key, hash_algorithm) + elif isinstance(salt, _DigestLength): + return hash_algorithm.digest_size + elif isinstance(salt, _Auto): + if isinstance(key, RSAPrivateKey): + raise ValueError( + "PSS salt length can only be set to AUTO when verifying" + ) + return backend._lib.RSA_PSS_SALTLEN_AUTO + else: + return salt + + +def _enc_dec_rsa( + backend: Backend, + key: typing.Union[_RSAPrivateKey, _RSAPublicKey], + data: bytes, + padding: AsymmetricPadding, +) -> bytes: + if not isinstance(padding, AsymmetricPadding): + raise TypeError("Padding must be an instance of AsymmetricPadding.") + + if isinstance(padding, PKCS1v15): + padding_enum = backend._lib.RSA_PKCS1_PADDING + elif isinstance(padding, OAEP): + padding_enum = backend._lib.RSA_PKCS1_OAEP_PADDING + + if not isinstance(padding._mgf, MGF1): + raise UnsupportedAlgorithm( + "Only MGF1 is supported by this backend.", + _Reasons.UNSUPPORTED_MGF, + ) + + if not backend.rsa_padding_supported(padding): + raise UnsupportedAlgorithm( + "This combination of padding and hash algorithm is not " + "supported by this backend.", + _Reasons.UNSUPPORTED_PADDING, + ) + + else: + raise UnsupportedAlgorithm( + f"{padding.name} is not supported by this backend.", + _Reasons.UNSUPPORTED_PADDING, + ) + + return _enc_dec_rsa_pkey_ctx(backend, key, data, padding_enum, padding) + + +def _enc_dec_rsa_pkey_ctx( + backend: Backend, + key: typing.Union[_RSAPrivateKey, _RSAPublicKey], + data: bytes, + padding_enum: int, + padding: AsymmetricPadding, +) -> bytes: + init: typing.Callable[[typing.Any], int] + crypt: typing.Callable[[typing.Any, typing.Any, int, bytes, int], int] + if isinstance(key, _RSAPublicKey): + init = backend._lib.EVP_PKEY_encrypt_init + crypt = backend._lib.EVP_PKEY_encrypt + else: + init = backend._lib.EVP_PKEY_decrypt_init + crypt = backend._lib.EVP_PKEY_decrypt + + pkey_ctx = backend._lib.EVP_PKEY_CTX_new(key._evp_pkey, backend._ffi.NULL) + backend.openssl_assert(pkey_ctx != backend._ffi.NULL) + pkey_ctx = backend._ffi.gc(pkey_ctx, backend._lib.EVP_PKEY_CTX_free) + res = init(pkey_ctx) + backend.openssl_assert(res == 1) + res = backend._lib.EVP_PKEY_CTX_set_rsa_padding(pkey_ctx, padding_enum) + backend.openssl_assert(res > 0) + buf_size = backend._lib.EVP_PKEY_size(key._evp_pkey) + backend.openssl_assert(buf_size > 0) + if isinstance(padding, OAEP): + mgf1_md = backend._evp_md_non_null_from_algorithm( + padding._mgf._algorithm + ) + res = backend._lib.EVP_PKEY_CTX_set_rsa_mgf1_md(pkey_ctx, mgf1_md) + backend.openssl_assert(res > 0) + oaep_md = backend._evp_md_non_null_from_algorithm(padding._algorithm) + res = backend._lib.EVP_PKEY_CTX_set_rsa_oaep_md(pkey_ctx, oaep_md) + backend.openssl_assert(res > 0) + + if ( + isinstance(padding, OAEP) + and padding._label is not None + and len(padding._label) > 0 + ): + # set0_rsa_oaep_label takes ownership of the char * so we need to + # copy it into some new memory + labelptr = backend._lib.OPENSSL_malloc(len(padding._label)) + backend.openssl_assert(labelptr != backend._ffi.NULL) + backend._ffi.memmove(labelptr, padding._label, len(padding._label)) + res = backend._lib.EVP_PKEY_CTX_set0_rsa_oaep_label( + pkey_ctx, labelptr, len(padding._label) + ) + backend.openssl_assert(res == 1) + + outlen = backend._ffi.new("size_t *", buf_size) + buf = backend._ffi.new("unsigned char[]", buf_size) + # Everything from this line onwards is written with the goal of being as + # constant-time as is practical given the constraints of Python and our + # API. See Bleichenbacher's '98 attack on RSA, and its many many variants. + # As such, you should not attempt to change this (particularly to "clean it + # up") without understanding why it was written this way (see + # Chesterton's Fence), and without measuring to verify you have not + # introduced observable time differences. + res = crypt(pkey_ctx, buf, outlen, data, len(data)) + resbuf = backend._ffi.buffer(buf)[: outlen[0]] + backend._lib.ERR_clear_error() + if res <= 0: + raise ValueError("Encryption/decryption failed.") + return resbuf + + +def _rsa_sig_determine_padding( + backend: Backend, + key: typing.Union[_RSAPrivateKey, _RSAPublicKey], + padding: AsymmetricPadding, + algorithm: typing.Optional[hashes.HashAlgorithm], +) -> int: + if not isinstance(padding, AsymmetricPadding): + raise TypeError("Expected provider of AsymmetricPadding.") + + pkey_size = backend._lib.EVP_PKEY_size(key._evp_pkey) + backend.openssl_assert(pkey_size > 0) + + if isinstance(padding, PKCS1v15): + # Hash algorithm is ignored for PKCS1v15-padding, may be None. + padding_enum = backend._lib.RSA_PKCS1_PADDING + elif isinstance(padding, PSS): + if not isinstance(padding._mgf, MGF1): + raise UnsupportedAlgorithm( + "Only MGF1 is supported by this backend.", + _Reasons.UNSUPPORTED_MGF, + ) + + # PSS padding requires a hash algorithm + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + + # Size of key in bytes - 2 is the maximum + # PSS signature length (salt length is checked later) + if pkey_size - algorithm.digest_size - 2 < 0: + raise ValueError( + "Digest too large for key size. Use a larger " + "key or different digest." + ) + + padding_enum = backend._lib.RSA_PKCS1_PSS_PADDING + else: + raise UnsupportedAlgorithm( + f"{padding.name} is not supported by this backend.", + _Reasons.UNSUPPORTED_PADDING, + ) + + return padding_enum + + +# Hash algorithm can be absent (None) to initialize the context without setting +# any message digest algorithm. This is currently only valid for the PKCS1v15 +# padding type, where it means that the signature data is encoded/decoded +# as provided, without being wrapped in a DigestInfo structure. +def _rsa_sig_setup( + backend: Backend, + padding: AsymmetricPadding, + algorithm: typing.Optional[hashes.HashAlgorithm], + key: typing.Union[_RSAPublicKey, _RSAPrivateKey], + init_func: typing.Callable[[typing.Any], int], +): + padding_enum = _rsa_sig_determine_padding(backend, key, padding, algorithm) + pkey_ctx = backend._lib.EVP_PKEY_CTX_new(key._evp_pkey, backend._ffi.NULL) + backend.openssl_assert(pkey_ctx != backend._ffi.NULL) + pkey_ctx = backend._ffi.gc(pkey_ctx, backend._lib.EVP_PKEY_CTX_free) + res = init_func(pkey_ctx) + if res != 1: + errors = backend._consume_errors() + raise ValueError("Unable to sign/verify with this key", errors) + + if algorithm is not None: + evp_md = backend._evp_md_non_null_from_algorithm(algorithm) + res = backend._lib.EVP_PKEY_CTX_set_signature_md(pkey_ctx, evp_md) + if res <= 0: + backend._consume_errors() + raise UnsupportedAlgorithm( + "{} is not supported by this backend for RSA signing.".format( + algorithm.name + ), + _Reasons.UNSUPPORTED_HASH, + ) + res = backend._lib.EVP_PKEY_CTX_set_rsa_padding(pkey_ctx, padding_enum) + if res <= 0: + backend._consume_errors() + raise UnsupportedAlgorithm( + "{} is not supported for the RSA signature operation.".format( + padding.name + ), + _Reasons.UNSUPPORTED_PADDING, + ) + if isinstance(padding, PSS): + assert isinstance(algorithm, hashes.HashAlgorithm) + res = backend._lib.EVP_PKEY_CTX_set_rsa_pss_saltlen( + pkey_ctx, + _get_rsa_pss_salt_length(backend, padding, key, algorithm), + ) + backend.openssl_assert(res > 0) + + mgf1_md = backend._evp_md_non_null_from_algorithm( + padding._mgf._algorithm + ) + res = backend._lib.EVP_PKEY_CTX_set_rsa_mgf1_md(pkey_ctx, mgf1_md) + backend.openssl_assert(res > 0) + + return pkey_ctx + + +def _rsa_sig_sign( + backend: Backend, + padding: AsymmetricPadding, + algorithm: hashes.HashAlgorithm, + private_key: _RSAPrivateKey, + data: bytes, +) -> bytes: + pkey_ctx = _rsa_sig_setup( + backend, + padding, + algorithm, + private_key, + backend._lib.EVP_PKEY_sign_init, + ) + buflen = backend._ffi.new("size_t *") + res = backend._lib.EVP_PKEY_sign( + pkey_ctx, backend._ffi.NULL, buflen, data, len(data) + ) + backend.openssl_assert(res == 1) + buf = backend._ffi.new("unsigned char[]", buflen[0]) + res = backend._lib.EVP_PKEY_sign(pkey_ctx, buf, buflen, data, len(data)) + if res != 1: + errors = backend._consume_errors() + raise ValueError( + "Digest or salt length too long for key size. Use a larger key " + "or shorter salt length if you are specifying a PSS salt", + errors, + ) + + return backend._ffi.buffer(buf)[:] + + +def _rsa_sig_verify( + backend: Backend, + padding: AsymmetricPadding, + algorithm: hashes.HashAlgorithm, + public_key: _RSAPublicKey, + signature: bytes, + data: bytes, +) -> None: + pkey_ctx = _rsa_sig_setup( + backend, + padding, + algorithm, + public_key, + backend._lib.EVP_PKEY_verify_init, + ) + res = backend._lib.EVP_PKEY_verify( + pkey_ctx, signature, len(signature), data, len(data) + ) + # The previous call can return negative numbers in the event of an + # error. This is not a signature failure but we need to fail if it + # occurs. + backend.openssl_assert(res >= 0) + if res == 0: + backend._consume_errors() + raise InvalidSignature + + +def _rsa_sig_recover( + backend: Backend, + padding: AsymmetricPadding, + algorithm: typing.Optional[hashes.HashAlgorithm], + public_key: _RSAPublicKey, + signature: bytes, +) -> bytes: + pkey_ctx = _rsa_sig_setup( + backend, + padding, + algorithm, + public_key, + backend._lib.EVP_PKEY_verify_recover_init, + ) + + # Attempt to keep the rest of the code in this function as constant/time + # as possible. See the comment in _enc_dec_rsa_pkey_ctx. Note that the + # buflen parameter is used even though its value may be undefined in the + # error case. Due to the tolerant nature of Python slicing this does not + # trigger any exceptions. + maxlen = backend._lib.EVP_PKEY_size(public_key._evp_pkey) + backend.openssl_assert(maxlen > 0) + buf = backend._ffi.new("unsigned char[]", maxlen) + buflen = backend._ffi.new("size_t *", maxlen) + res = backend._lib.EVP_PKEY_verify_recover( + pkey_ctx, buf, buflen, signature, len(signature) + ) + resbuf = backend._ffi.buffer(buf)[: buflen[0]] + backend._lib.ERR_clear_error() + # Assume that all parameter errors are handled during the setup phase and + # any error here is due to invalid signature. + if res != 1: + raise InvalidSignature + return resbuf + + +class _RSAPrivateKey(RSAPrivateKey): + _evp_pkey: object + _rsa_cdata: object + _key_size: int + + def __init__( + self, + backend: Backend, + rsa_cdata, + evp_pkey, + *, + unsafe_skip_rsa_key_validation: bool, + ): + res: int + # RSA_check_key is slower in OpenSSL 3.0.0 due to improved + # primality checking. In normal use this is unlikely to be a problem + # since users don't load new keys constantly, but for TESTING we've + # added an init arg that allows skipping the checks. You should not + # use this in production code unless you understand the consequences. + if not unsafe_skip_rsa_key_validation: + res = backend._lib.RSA_check_key(rsa_cdata) + if res != 1: + errors = backend._consume_errors() + raise ValueError("Invalid private key", errors) + # 2 is prime and passes an RSA key check, so we also check + # if p and q are odd just to be safe. + p = backend._ffi.new("BIGNUM **") + q = backend._ffi.new("BIGNUM **") + backend._lib.RSA_get0_factors(rsa_cdata, p, q) + backend.openssl_assert(p[0] != backend._ffi.NULL) + backend.openssl_assert(q[0] != backend._ffi.NULL) + p_odd = backend._lib.BN_is_odd(p[0]) + q_odd = backend._lib.BN_is_odd(q[0]) + if p_odd != 1 or q_odd != 1: + errors = backend._consume_errors() + raise ValueError("Invalid private key", errors) + + self._backend = backend + self._rsa_cdata = rsa_cdata + self._evp_pkey = evp_pkey + # Used for lazy blinding + self._blinded = False + self._blinding_lock = threading.Lock() + + n = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key( + self._rsa_cdata, + n, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._key_size = self._backend._lib.BN_num_bits(n[0]) + + def _enable_blinding(self) -> None: + # If you call blind on an already blinded RSA key OpenSSL will turn + # it off and back on, which is a performance hit we want to avoid. + if not self._blinded: + with self._blinding_lock: + self._non_threadsafe_enable_blinding() + + def _non_threadsafe_enable_blinding(self) -> None: + # This is only a separate function to allow for testing to cover both + # branches. It should never be invoked except through _enable_blinding. + # Check if it's not True again in case another thread raced past the + # first non-locked check. + if not self._blinded: + res = self._backend._lib.RSA_blinding_on( + self._rsa_cdata, self._backend._ffi.NULL + ) + self._backend.openssl_assert(res == 1) + self._blinded = True + + @property + def key_size(self) -> int: + return self._key_size + + def decrypt(self, ciphertext: bytes, padding: AsymmetricPadding) -> bytes: + self._enable_blinding() + key_size_bytes = (self.key_size + 7) // 8 + if key_size_bytes != len(ciphertext): + raise ValueError("Ciphertext length must be equal to key size.") + + return _enc_dec_rsa(self._backend, self, ciphertext, padding) + + def public_key(self) -> RSAPublicKey: + ctx = self._backend._lib.RSAPublicKey_dup(self._rsa_cdata) + self._backend.openssl_assert(ctx != self._backend._ffi.NULL) + ctx = self._backend._ffi.gc(ctx, self._backend._lib.RSA_free) + evp_pkey = self._backend._rsa_cdata_to_evp_pkey(ctx) + return _RSAPublicKey(self._backend, ctx, evp_pkey) + + def private_numbers(self) -> RSAPrivateNumbers: + n = self._backend._ffi.new("BIGNUM **") + e = self._backend._ffi.new("BIGNUM **") + d = self._backend._ffi.new("BIGNUM **") + p = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + dmp1 = self._backend._ffi.new("BIGNUM **") + dmq1 = self._backend._ffi.new("BIGNUM **") + iqmp = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key(self._rsa_cdata, n, e, d) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(e[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(d[0] != self._backend._ffi.NULL) + self._backend._lib.RSA_get0_factors(self._rsa_cdata, p, q) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(q[0] != self._backend._ffi.NULL) + self._backend._lib.RSA_get0_crt_params( + self._rsa_cdata, dmp1, dmq1, iqmp + ) + self._backend.openssl_assert(dmp1[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(dmq1[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(iqmp[0] != self._backend._ffi.NULL) + return RSAPrivateNumbers( + p=self._backend._bn_to_int(p[0]), + q=self._backend._bn_to_int(q[0]), + d=self._backend._bn_to_int(d[0]), + dmp1=self._backend._bn_to_int(dmp1[0]), + dmq1=self._backend._bn_to_int(dmq1[0]), + iqmp=self._backend._bn_to_int(iqmp[0]), + public_numbers=RSAPublicNumbers( + e=self._backend._bn_to_int(e[0]), + n=self._backend._bn_to_int(n[0]), + ), + ) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + return self._backend._private_key_bytes( + encoding, + format, + encryption_algorithm, + self, + self._evp_pkey, + self._rsa_cdata, + ) + + def sign( + self, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> bytes: + self._enable_blinding() + data, algorithm = _calculate_digest_and_algorithm(data, algorithm) + return _rsa_sig_sign(self._backend, padding, algorithm, self, data) + + +class _RSAPublicKey(RSAPublicKey): + _evp_pkey: object + _rsa_cdata: object + _key_size: int + + def __init__(self, backend: Backend, rsa_cdata, evp_pkey): + self._backend = backend + self._rsa_cdata = rsa_cdata + self._evp_pkey = evp_pkey + + n = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key( + self._rsa_cdata, + n, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._key_size = self._backend._lib.BN_num_bits(n[0]) + + @property + def key_size(self) -> int: + return self._key_size + + def __eq__(self, other: object) -> bool: + if not isinstance(other, _RSAPublicKey): + return NotImplemented + + return ( + self._backend._lib.EVP_PKEY_cmp(self._evp_pkey, other._evp_pkey) + == 1 + ) + + def encrypt(self, plaintext: bytes, padding: AsymmetricPadding) -> bytes: + return _enc_dec_rsa(self._backend, self, plaintext, padding) + + def public_numbers(self) -> RSAPublicNumbers: + n = self._backend._ffi.new("BIGNUM **") + e = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key( + self._rsa_cdata, n, e, self._backend._ffi.NULL + ) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(e[0] != self._backend._ffi.NULL) + return RSAPublicNumbers( + e=self._backend._bn_to_int(e[0]), + n=self._backend._bn_to_int(n[0]), + ) + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, self._rsa_cdata + ) + + def verify( + self, + signature: bytes, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> None: + data, algorithm = _calculate_digest_and_algorithm(data, algorithm) + _rsa_sig_verify( + self._backend, padding, algorithm, self, signature, data + ) + + def recover_data_from_signature( + self, + signature: bytes, + padding: AsymmetricPadding, + algorithm: typing.Optional[hashes.HashAlgorithm], + ) -> bytes: + if isinstance(algorithm, asym_utils.Prehashed): + raise TypeError( + "Prehashed is only supported in the sign and verify methods. " + "It cannot be used with recover_data_from_signature." + ) + return _rsa_sig_recover( + self._backend, padding, algorithm, self, signature + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/utils.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/utils.py new file mode 100644 index 0000000..5b404de --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/backends/openssl/utils.py @@ -0,0 +1,63 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric.utils import Prehashed + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.backend import Backend + + +def _evp_pkey_derive(backend: Backend, evp_pkey, peer_public_key) -> bytes: + ctx = backend._lib.EVP_PKEY_CTX_new(evp_pkey, backend._ffi.NULL) + backend.openssl_assert(ctx != backend._ffi.NULL) + ctx = backend._ffi.gc(ctx, backend._lib.EVP_PKEY_CTX_free) + res = backend._lib.EVP_PKEY_derive_init(ctx) + backend.openssl_assert(res == 1) + + if backend._lib.Cryptography_HAS_EVP_PKEY_SET_PEER_EX: + res = backend._lib.EVP_PKEY_derive_set_peer_ex( + ctx, peer_public_key._evp_pkey, 0 + ) + else: + res = backend._lib.EVP_PKEY_derive_set_peer( + ctx, peer_public_key._evp_pkey + ) + backend.openssl_assert(res == 1) + + keylen = backend._ffi.new("size_t *") + res = backend._lib.EVP_PKEY_derive(ctx, backend._ffi.NULL, keylen) + backend.openssl_assert(res == 1) + backend.openssl_assert(keylen[0] > 0) + buf = backend._ffi.new("unsigned char[]", keylen[0]) + res = backend._lib.EVP_PKEY_derive(ctx, buf, keylen) + if res != 1: + errors = backend._consume_errors() + raise ValueError("Error computing shared key.", errors) + + return backend._ffi.buffer(buf, keylen[0])[:] + + +def _calculate_digest_and_algorithm( + data: bytes, + algorithm: typing.Union[Prehashed, hashes.HashAlgorithm], +) -> typing.Tuple[bytes, hashes.HashAlgorithm]: + if not isinstance(algorithm, Prehashed): + hash_ctx = hashes.Hash(algorithm) + hash_ctx.update(data) + data = hash_ctx.finalize() + else: + algorithm = algorithm._algorithm + + if len(data) != algorithm.digest_size: + raise ValueError( + "The provided data must be the same length as the hash " + "algorithm's digest size." + ) + + return (data, algorithm) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/__init__.py new file mode 100644 index 0000000..b509336 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/__init__.py @@ -0,0 +1,3 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..9010b6c Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust.abi3.so b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust.abi3.so new file mode 100644 index 0000000..d3fab3e Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust.abi3.so differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/__init__.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/__init__.pyi new file mode 100644 index 0000000..94a37a2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/__init__.pyi @@ -0,0 +1,34 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import types +import typing + +def check_pkcs7_padding(data: bytes) -> bool: ... +def check_ansix923_padding(data: bytes) -> bool: ... + +class ObjectIdentifier: + def __init__(self, val: str) -> None: ... + @property + def dotted_string(self) -> str: ... + @property + def _name(self) -> str: ... + +T = typing.TypeVar("T") + +class FixedPool(typing.Generic[T]): + def __init__( + self, + create: typing.Callable[[], T], + ) -> None: ... + def acquire(self) -> PoolAcquisition[T]: ... + +class PoolAcquisition(typing.Generic[T]): + def __enter__(self) -> T: ... + def __exit__( + self, + exc_type: typing.Optional[typing.Type[BaseException]], + exc_value: typing.Optional[BaseException], + exc_tb: typing.Optional[types.TracebackType], + ) -> None: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/_openssl.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/_openssl.pyi new file mode 100644 index 0000000..8010008 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/_openssl.pyi @@ -0,0 +1,8 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +lib = typing.Any +ffi = typing.Any diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/asn1.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/asn1.pyi new file mode 100644 index 0000000..a8369ba --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/asn1.pyi @@ -0,0 +1,16 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +class TestCertificate: + not_after_tag: int + not_before_tag: int + issuer_value_tags: typing.List[int] + subject_value_tags: typing.List[int] + +def decode_dss_signature(signature: bytes) -> typing.Tuple[int, int]: ... +def encode_dss_signature(r: int, s: int) -> bytes: ... +def parse_spki_for_data(data: bytes) -> bytes: ... +def test_parse_certificate(data: bytes) -> TestCertificate: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/exceptions.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/exceptions.pyi new file mode 100644 index 0000000..09f46b1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/exceptions.pyi @@ -0,0 +1,17 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +class _Reasons: + BACKEND_MISSING_INTERFACE: _Reasons + UNSUPPORTED_HASH: _Reasons + UNSUPPORTED_CIPHER: _Reasons + UNSUPPORTED_PADDING: _Reasons + UNSUPPORTED_MGF: _Reasons + UNSUPPORTED_PUBLIC_KEY_ALGORITHM: _Reasons + UNSUPPORTED_ELLIPTIC_CURVE: _Reasons + UNSUPPORTED_SERIALIZATION: _Reasons + UNSUPPORTED_X509: _Reasons + UNSUPPORTED_EXCHANGE_ALGORITHM: _Reasons + UNSUPPORTED_DIFFIE_HELLMAN: _Reasons + UNSUPPORTED_MAC: _Reasons diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/ocsp.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/ocsp.pyi new file mode 100644 index 0000000..4671eb9 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/ocsp.pyi @@ -0,0 +1,25 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric.types import PrivateKeyTypes +from cryptography.x509.ocsp import ( + OCSPRequest, + OCSPRequestBuilder, + OCSPResponse, + OCSPResponseBuilder, + OCSPResponseStatus, +) + +def load_der_ocsp_request(data: bytes) -> OCSPRequest: ... +def load_der_ocsp_response(data: bytes) -> OCSPResponse: ... +def create_ocsp_request(builder: OCSPRequestBuilder) -> OCSPRequest: ... +def create_ocsp_response( + status: OCSPResponseStatus, + builder: typing.Optional[OCSPResponseBuilder], + private_key: typing.Optional[PrivateKeyTypes], + hash_algorithm: typing.Optional[hashes.HashAlgorithm], +) -> OCSPResponse: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/__init__.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/__init__.pyi new file mode 100644 index 0000000..82f30d2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/__init__.pyi @@ -0,0 +1,47 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.hazmat.bindings._rust.openssl import ( + dh, + dsa, + ed448, + ed25519, + hashes, + hmac, + kdf, + poly1305, + x448, + x25519, +) + +__all__ = [ + "openssl_version", + "raise_openssl_error", + "dh", + "dsa", + "hashes", + "hmac", + "kdf", + "ed448", + "ed25519", + "poly1305", + "x448", + "x25519", +] + +def openssl_version() -> int: ... +def raise_openssl_error() -> typing.NoReturn: ... +def capture_error_stack() -> typing.List[OpenSSLError]: ... +def is_fips_enabled() -> bool: ... + +class OpenSSLError: + @property + def lib(self) -> int: ... + @property + def reason(self) -> int: ... + @property + def reason_text(self) -> bytes: ... + def _lib_reason_match(self, lib: int, reason: int) -> bool: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/dh.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/dh.pyi new file mode 100644 index 0000000..bfd005d --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/dh.pyi @@ -0,0 +1,22 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from cryptography.hazmat.primitives.asymmetric import dh + +MIN_MODULUS_SIZE: int + +class DHPrivateKey: ... +class DHPublicKey: ... +class DHParameters: ... + +def generate_parameters(generator: int, key_size: int) -> dh.DHParameters: ... +def private_key_from_ptr(ptr: int) -> dh.DHPrivateKey: ... +def public_key_from_ptr(ptr: int) -> dh.DHPublicKey: ... +def from_pem_parameters(data: bytes) -> dh.DHParameters: ... +def from_der_parameters(data: bytes) -> dh.DHParameters: ... +def from_private_numbers(numbers: dh.DHPrivateNumbers) -> dh.DHPrivateKey: ... +def from_public_numbers(numbers: dh.DHPublicNumbers) -> dh.DHPublicKey: ... +def from_parameter_numbers( + numbers: dh.DHParameterNumbers, +) -> dh.DHParameters: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/dsa.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/dsa.pyi new file mode 100644 index 0000000..5a56f25 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/dsa.pyi @@ -0,0 +1,20 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from cryptography.hazmat.primitives.asymmetric import dsa + +class DSAPrivateKey: ... +class DSAPublicKey: ... +class DSAParameters: ... + +def generate_parameters(key_size: int) -> dsa.DSAParameters: ... +def private_key_from_ptr(ptr: int) -> dsa.DSAPrivateKey: ... +def public_key_from_ptr(ptr: int) -> dsa.DSAPublicKey: ... +def from_private_numbers( + numbers: dsa.DSAPrivateNumbers, +) -> dsa.DSAPrivateKey: ... +def from_public_numbers(numbers: dsa.DSAPublicNumbers) -> dsa.DSAPublicKey: ... +def from_parameter_numbers( + numbers: dsa.DSAParameterNumbers, +) -> dsa.DSAParameters: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ed25519.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ed25519.pyi new file mode 100644 index 0000000..c7f127f --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ed25519.pyi @@ -0,0 +1,14 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from cryptography.hazmat.primitives.asymmetric import ed25519 + +class Ed25519PrivateKey: ... +class Ed25519PublicKey: ... + +def generate_key() -> ed25519.Ed25519PrivateKey: ... +def private_key_from_ptr(ptr: int) -> ed25519.Ed25519PrivateKey: ... +def public_key_from_ptr(ptr: int) -> ed25519.Ed25519PublicKey: ... +def from_private_bytes(data: bytes) -> ed25519.Ed25519PrivateKey: ... +def from_public_bytes(data: bytes) -> ed25519.Ed25519PublicKey: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ed448.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ed448.pyi new file mode 100644 index 0000000..1cf5f17 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/ed448.pyi @@ -0,0 +1,14 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from cryptography.hazmat.primitives.asymmetric import ed448 + +class Ed448PrivateKey: ... +class Ed448PublicKey: ... + +def generate_key() -> ed448.Ed448PrivateKey: ... +def private_key_from_ptr(ptr: int) -> ed448.Ed448PrivateKey: ... +def public_key_from_ptr(ptr: int) -> ed448.Ed448PublicKey: ... +def from_private_bytes(data: bytes) -> ed448.Ed448PrivateKey: ... +def from_public_bytes(data: bytes) -> ed448.Ed448PublicKey: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/hashes.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/hashes.pyi new file mode 100644 index 0000000..ca5f42a --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/hashes.pyi @@ -0,0 +1,17 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.hazmat.primitives import hashes + +class Hash(hashes.HashContext): + def __init__( + self, algorithm: hashes.HashAlgorithm, backend: typing.Any = None + ) -> None: ... + @property + def algorithm(self) -> hashes.HashAlgorithm: ... + def update(self, data: bytes) -> None: ... + def finalize(self) -> bytes: ... + def copy(self) -> Hash: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/hmac.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/hmac.pyi new file mode 100644 index 0000000..e38d9b5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/hmac.pyi @@ -0,0 +1,21 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.hazmat.primitives import hashes + +class HMAC(hashes.HashContext): + def __init__( + self, + key: bytes, + algorithm: hashes.HashAlgorithm, + backend: typing.Any = None, + ) -> None: ... + @property + def algorithm(self) -> hashes.HashAlgorithm: ... + def update(self, data: bytes) -> None: ... + def finalize(self) -> bytes: ... + def verify(self, signature: bytes) -> None: ... + def copy(self) -> HMAC: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/kdf.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/kdf.pyi new file mode 100644 index 0000000..034a8fe --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/kdf.pyi @@ -0,0 +1,22 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from cryptography.hazmat.primitives.hashes import HashAlgorithm + +def derive_pbkdf2_hmac( + key_material: bytes, + algorithm: HashAlgorithm, + salt: bytes, + iterations: int, + length: int, +) -> bytes: ... +def derive_scrypt( + key_material: bytes, + salt: bytes, + n: int, + r: int, + p: int, + max_mem: int, + length: int, +) -> bytes: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/poly1305.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/poly1305.pyi new file mode 100644 index 0000000..2e9b0a9 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/poly1305.pyi @@ -0,0 +1,13 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +class Poly1305: + def __init__(self, key: bytes) -> None: ... + @staticmethod + def generate_tag(key: bytes, data: bytes) -> bytes: ... + @staticmethod + def verify_tag(key: bytes, data: bytes, tag: bytes) -> None: ... + def update(self, data: bytes) -> None: ... + def finalize(self) -> bytes: ... + def verify(self, tag: bytes) -> None: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/x25519.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/x25519.pyi new file mode 100644 index 0000000..90f7cbd --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/x25519.pyi @@ -0,0 +1,14 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from cryptography.hazmat.primitives.asymmetric import x25519 + +class X25519PrivateKey: ... +class X25519PublicKey: ... + +def generate_key() -> x25519.X25519PrivateKey: ... +def private_key_from_ptr(ptr: int) -> x25519.X25519PrivateKey: ... +def public_key_from_ptr(ptr: int) -> x25519.X25519PublicKey: ... +def from_private_bytes(data: bytes) -> x25519.X25519PrivateKey: ... +def from_public_bytes(data: bytes) -> x25519.X25519PublicKey: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/x448.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/x448.pyi new file mode 100644 index 0000000..d326c8d --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/openssl/x448.pyi @@ -0,0 +1,14 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from cryptography.hazmat.primitives.asymmetric import x448 + +class X448PrivateKey: ... +class X448PublicKey: ... + +def generate_key() -> x448.X448PrivateKey: ... +def private_key_from_ptr(ptr: int) -> x448.X448PrivateKey: ... +def public_key_from_ptr(ptr: int) -> x448.X448PublicKey: ... +def from_private_bytes(data: bytes) -> x448.X448PrivateKey: ... +def from_public_bytes(data: bytes) -> x448.X448PublicKey: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/pkcs7.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/pkcs7.pyi new file mode 100644 index 0000000..66bd850 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/pkcs7.pyi @@ -0,0 +1,15 @@ +import typing + +from cryptography import x509 +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.serialization import pkcs7 + +def serialize_certificates( + certs: typing.List[x509.Certificate], + encoding: serialization.Encoding, +) -> bytes: ... +def sign_and_serialize( + builder: pkcs7.PKCS7SignatureBuilder, + encoding: serialization.Encoding, + options: typing.Iterable[pkcs7.PKCS7Options], +) -> bytes: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/x509.pyi b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/x509.pyi new file mode 100644 index 0000000..24b2f5e --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/_rust/x509.pyi @@ -0,0 +1,44 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography import x509 +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric.padding import PSS, PKCS1v15 +from cryptography.hazmat.primitives.asymmetric.types import PrivateKeyTypes + +def load_pem_x509_certificate(data: bytes) -> x509.Certificate: ... +def load_pem_x509_certificates( + data: bytes, +) -> typing.List[x509.Certificate]: ... +def load_der_x509_certificate(data: bytes) -> x509.Certificate: ... +def load_pem_x509_crl(data: bytes) -> x509.CertificateRevocationList: ... +def load_der_x509_crl(data: bytes) -> x509.CertificateRevocationList: ... +def load_pem_x509_csr(data: bytes) -> x509.CertificateSigningRequest: ... +def load_der_x509_csr(data: bytes) -> x509.CertificateSigningRequest: ... +def encode_name_bytes(name: x509.Name) -> bytes: ... +def encode_extension_value(extension: x509.ExtensionType) -> bytes: ... +def create_x509_certificate( + builder: x509.CertificateBuilder, + private_key: PrivateKeyTypes, + hash_algorithm: typing.Optional[hashes.HashAlgorithm], + padding: typing.Optional[typing.Union[PKCS1v15, PSS]], +) -> x509.Certificate: ... +def create_x509_csr( + builder: x509.CertificateSigningRequestBuilder, + private_key: PrivateKeyTypes, + hash_algorithm: typing.Optional[hashes.HashAlgorithm], +) -> x509.CertificateSigningRequest: ... +def create_x509_crl( + builder: x509.CertificateRevocationListBuilder, + private_key: PrivateKeyTypes, + hash_algorithm: typing.Optional[hashes.HashAlgorithm], +) -> x509.CertificateRevocationList: ... + +class Sct: ... +class Certificate: ... +class RevokedCertificate: ... +class CertificateRevocationList: ... +class CertificateSigningRequest: ... diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__init__.py new file mode 100644 index 0000000..b509336 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__init__.py @@ -0,0 +1,3 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..ed31fe6 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/_conditional.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/_conditional.cpython-312.pyc new file mode 100644 index 0000000..45a1c0f Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/_conditional.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/binding.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/binding.cpython-312.pyc new file mode 100644 index 0000000..508214f Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/__pycache__/binding.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/_conditional.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/_conditional.py new file mode 100644 index 0000000..5e8ecd0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/_conditional.py @@ -0,0 +1,329 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + + +def cryptography_has_set_cert_cb() -> typing.List[str]: + return [ + "SSL_CTX_set_cert_cb", + "SSL_set_cert_cb", + ] + + +def cryptography_has_ssl_st() -> typing.List[str]: + return [ + "SSL_ST_BEFORE", + "SSL_ST_OK", + "SSL_ST_INIT", + "SSL_ST_RENEGOTIATE", + ] + + +def cryptography_has_tls_st() -> typing.List[str]: + return [ + "TLS_ST_BEFORE", + "TLS_ST_OK", + ] + + +def cryptography_has_evp_pkey_dhx() -> typing.List[str]: + return [ + "EVP_PKEY_DHX", + ] + + +def cryptography_has_mem_functions() -> typing.List[str]: + return [ + "Cryptography_CRYPTO_set_mem_functions", + ] + + +def cryptography_has_x509_store_ctx_get_issuer() -> typing.List[str]: + return [ + "X509_STORE_set_get_issuer", + ] + + +def cryptography_has_ed448() -> typing.List[str]: + return [ + "EVP_PKEY_ED448", + "NID_ED448", + ] + + +def cryptography_has_ed25519() -> typing.List[str]: + return [ + "NID_ED25519", + "EVP_PKEY_ED25519", + ] + + +def cryptography_has_poly1305() -> typing.List[str]: + return [ + "NID_poly1305", + "EVP_PKEY_POLY1305", + ] + + +def cryptography_has_evp_digestfinal_xof() -> typing.List[str]: + return [ + "EVP_DigestFinalXOF", + ] + + +def cryptography_has_fips() -> typing.List[str]: + return [ + "FIPS_mode_set", + "FIPS_mode", + ] + + +def cryptography_has_ssl_sigalgs() -> typing.List[str]: + return [ + "SSL_CTX_set1_sigalgs_list", + ] + + +def cryptography_has_psk() -> typing.List[str]: + return [ + "SSL_CTX_use_psk_identity_hint", + "SSL_CTX_set_psk_server_callback", + "SSL_CTX_set_psk_client_callback", + ] + + +def cryptography_has_psk_tlsv13() -> typing.List[str]: + return [ + "SSL_CTX_set_psk_find_session_callback", + "SSL_CTX_set_psk_use_session_callback", + "Cryptography_SSL_SESSION_new", + "SSL_CIPHER_find", + "SSL_SESSION_set1_master_key", + "SSL_SESSION_set_cipher", + "SSL_SESSION_set_protocol_version", + ] + + +def cryptography_has_custom_ext() -> typing.List[str]: + return [ + "SSL_CTX_add_client_custom_ext", + "SSL_CTX_add_server_custom_ext", + "SSL_extension_supported", + ] + + +def cryptography_has_tlsv13_functions() -> typing.List[str]: + return [ + "SSL_VERIFY_POST_HANDSHAKE", + "SSL_CTX_set_ciphersuites", + "SSL_verify_client_post_handshake", + "SSL_CTX_set_post_handshake_auth", + "SSL_set_post_handshake_auth", + "SSL_SESSION_get_max_early_data", + "SSL_write_early_data", + "SSL_read_early_data", + "SSL_CTX_set_max_early_data", + ] + + +def cryptography_has_raw_key() -> typing.List[str]: + return [ + "EVP_PKEY_new_raw_private_key", + "EVP_PKEY_new_raw_public_key", + "EVP_PKEY_get_raw_private_key", + "EVP_PKEY_get_raw_public_key", + ] + + +def cryptography_has_engine() -> typing.List[str]: + return [ + "ENGINE_by_id", + "ENGINE_init", + "ENGINE_finish", + "ENGINE_get_default_RAND", + "ENGINE_set_default_RAND", + "ENGINE_unregister_RAND", + "ENGINE_ctrl_cmd", + "ENGINE_free", + "ENGINE_get_name", + "ENGINE_ctrl_cmd_string", + "ENGINE_load_builtin_engines", + "ENGINE_load_private_key", + "ENGINE_load_public_key", + "SSL_CTX_set_client_cert_engine", + ] + + +def cryptography_has_verified_chain() -> typing.List[str]: + return [ + "SSL_get0_verified_chain", + ] + + +def cryptography_has_srtp() -> typing.List[str]: + return [ + "SSL_CTX_set_tlsext_use_srtp", + "SSL_set_tlsext_use_srtp", + "SSL_get_selected_srtp_profile", + ] + + +def cryptography_has_providers() -> typing.List[str]: + return [ + "OSSL_PROVIDER_load", + "OSSL_PROVIDER_unload", + "ERR_LIB_PROV", + "PROV_R_WRONG_FINAL_BLOCK_LENGTH", + "PROV_R_BAD_DECRYPT", + ] + + +def cryptography_has_op_no_renegotiation() -> typing.List[str]: + return [ + "SSL_OP_NO_RENEGOTIATION", + ] + + +def cryptography_has_dtls_get_data_mtu() -> typing.List[str]: + return [ + "DTLS_get_data_mtu", + ] + + +def cryptography_has_300_fips() -> typing.List[str]: + return [ + "EVP_default_properties_is_fips_enabled", + "EVP_default_properties_enable_fips", + ] + + +def cryptography_has_ssl_cookie() -> typing.List[str]: + return [ + "SSL_OP_COOKIE_EXCHANGE", + "DTLSv1_listen", + "SSL_CTX_set_cookie_generate_cb", + "SSL_CTX_set_cookie_verify_cb", + ] + + +def cryptography_has_pkcs7_funcs() -> typing.List[str]: + return [ + "SMIME_write_PKCS7", + "PEM_write_bio_PKCS7_stream", + "PKCS7_sign_add_signer", + "PKCS7_final", + "PKCS7_verify", + "SMIME_read_PKCS7", + "PKCS7_get0_signers", + ] + + +def cryptography_has_bn_flags() -> typing.List[str]: + return [ + "BN_FLG_CONSTTIME", + "BN_set_flags", + "BN_prime_checks_for_size", + ] + + +def cryptography_has_evp_pkey_dh() -> typing.List[str]: + return [ + "EVP_PKEY_set1_DH", + ] + + +def cryptography_has_300_evp_cipher() -> typing.List[str]: + return ["EVP_CIPHER_fetch", "EVP_CIPHER_free"] + + +def cryptography_has_unexpected_eof_while_reading() -> typing.List[str]: + return ["SSL_R_UNEXPECTED_EOF_WHILE_READING"] + + +def cryptography_has_pkcs12_set_mac() -> typing.List[str]: + return ["PKCS12_set_mac"] + + +def cryptography_has_ssl_op_ignore_unexpected_eof() -> typing.List[str]: + return [ + "SSL_OP_IGNORE_UNEXPECTED_EOF", + ] + + +def cryptography_has_get_extms_support() -> typing.List[str]: + return ["SSL_get_extms_support"] + + +def cryptography_has_evp_pkey_set_peer_ex() -> typing.List[str]: + return ["EVP_PKEY_derive_set_peer_ex"] + + +def cryptography_has_evp_aead() -> typing.List[str]: + return [ + "EVP_aead_chacha20_poly1305", + "EVP_AEAD_CTX_free", + "EVP_AEAD_CTX_seal", + "EVP_AEAD_CTX_open", + "EVP_AEAD_max_overhead", + "Cryptography_EVP_AEAD_CTX_new", + ] + + +# This is a mapping of +# {condition: function-returning-names-dependent-on-that-condition} so we can +# loop over them and delete unsupported names at runtime. It will be removed +# when cffi supports #if in cdef. We use functions instead of just a dict of +# lists so we can use coverage to measure which are used. +CONDITIONAL_NAMES = { + "Cryptography_HAS_SET_CERT_CB": cryptography_has_set_cert_cb, + "Cryptography_HAS_SSL_ST": cryptography_has_ssl_st, + "Cryptography_HAS_TLS_ST": cryptography_has_tls_st, + "Cryptography_HAS_EVP_PKEY_DHX": cryptography_has_evp_pkey_dhx, + "Cryptography_HAS_MEM_FUNCTIONS": cryptography_has_mem_functions, + "Cryptography_HAS_X509_STORE_CTX_GET_ISSUER": ( + cryptography_has_x509_store_ctx_get_issuer + ), + "Cryptography_HAS_ED448": cryptography_has_ed448, + "Cryptography_HAS_ED25519": cryptography_has_ed25519, + "Cryptography_HAS_POLY1305": cryptography_has_poly1305, + "Cryptography_HAS_FIPS": cryptography_has_fips, + "Cryptography_HAS_SIGALGS": cryptography_has_ssl_sigalgs, + "Cryptography_HAS_PSK": cryptography_has_psk, + "Cryptography_HAS_PSK_TLSv1_3": cryptography_has_psk_tlsv13, + "Cryptography_HAS_CUSTOM_EXT": cryptography_has_custom_ext, + "Cryptography_HAS_TLSv1_3_FUNCTIONS": cryptography_has_tlsv13_functions, + "Cryptography_HAS_RAW_KEY": cryptography_has_raw_key, + "Cryptography_HAS_EVP_DIGESTFINAL_XOF": ( + cryptography_has_evp_digestfinal_xof + ), + "Cryptography_HAS_ENGINE": cryptography_has_engine, + "Cryptography_HAS_VERIFIED_CHAIN": cryptography_has_verified_chain, + "Cryptography_HAS_SRTP": cryptography_has_srtp, + "Cryptography_HAS_PROVIDERS": cryptography_has_providers, + "Cryptography_HAS_OP_NO_RENEGOTIATION": ( + cryptography_has_op_no_renegotiation + ), + "Cryptography_HAS_DTLS_GET_DATA_MTU": cryptography_has_dtls_get_data_mtu, + "Cryptography_HAS_300_FIPS": cryptography_has_300_fips, + "Cryptography_HAS_SSL_COOKIE": cryptography_has_ssl_cookie, + "Cryptography_HAS_PKCS7_FUNCS": cryptography_has_pkcs7_funcs, + "Cryptography_HAS_BN_FLAGS": cryptography_has_bn_flags, + "Cryptography_HAS_EVP_PKEY_DH": cryptography_has_evp_pkey_dh, + "Cryptography_HAS_300_EVP_CIPHER": cryptography_has_300_evp_cipher, + "Cryptography_HAS_UNEXPECTED_EOF_WHILE_READING": ( + cryptography_has_unexpected_eof_while_reading + ), + "Cryptography_HAS_PKCS12_SET_MAC": cryptography_has_pkcs12_set_mac, + "Cryptography_HAS_SSL_OP_IGNORE_UNEXPECTED_EOF": ( + cryptography_has_ssl_op_ignore_unexpected_eof + ), + "Cryptography_HAS_GET_EXTMS_SUPPORT": cryptography_has_get_extms_support, + "Cryptography_HAS_EVP_PKEY_SET_PEER_EX": ( + cryptography_has_evp_pkey_set_peer_ex + ), + "Cryptography_HAS_EVP_AEAD": (cryptography_has_evp_aead), +} diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/binding.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/binding.py new file mode 100644 index 0000000..b50d631 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/bindings/openssl/binding.py @@ -0,0 +1,179 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import os +import sys +import threading +import types +import typing +import warnings + +import cryptography +from cryptography.exceptions import InternalError +from cryptography.hazmat.bindings._rust import _openssl, openssl +from cryptography.hazmat.bindings.openssl._conditional import CONDITIONAL_NAMES + + +def _openssl_assert( + lib, + ok: bool, + errors: typing.Optional[typing.List[openssl.OpenSSLError]] = None, +) -> None: + if not ok: + if errors is None: + errors = openssl.capture_error_stack() + + raise InternalError( + "Unknown OpenSSL error. This error is commonly encountered when " + "another library is not cleaning up the OpenSSL error stack. If " + "you are using cryptography with another library that uses " + "OpenSSL try disabling it before reporting a bug. Otherwise " + "please file an issue at https://github.com/pyca/cryptography/" + "issues with information on how to reproduce " + "this. ({!r})".format(errors), + errors, + ) + + +def _legacy_provider_error(loaded: bool) -> None: + if not loaded: + raise RuntimeError( + "OpenSSL 3.0's legacy provider failed to load. This is a fatal " + "error by default, but cryptography supports running without " + "legacy algorithms by setting the environment variable " + "CRYPTOGRAPHY_OPENSSL_NO_LEGACY. If you did not expect this error," + " you have likely made a mistake with your OpenSSL configuration." + ) + + +def build_conditional_library( + lib: typing.Any, + conditional_names: typing.Dict[str, typing.Callable[[], typing.List[str]]], +) -> typing.Any: + conditional_lib = types.ModuleType("lib") + conditional_lib._original_lib = lib # type: ignore[attr-defined] + excluded_names = set() + for condition, names_cb in conditional_names.items(): + if not getattr(lib, condition): + excluded_names.update(names_cb()) + + for attr in dir(lib): + if attr not in excluded_names: + setattr(conditional_lib, attr, getattr(lib, attr)) + + return conditional_lib + + +class Binding: + """ + OpenSSL API wrapper. + """ + + lib: typing.ClassVar = None + ffi = _openssl.ffi + _lib_loaded = False + _init_lock = threading.Lock() + _legacy_provider: typing.Any = ffi.NULL + _legacy_provider_loaded = False + _default_provider: typing.Any = ffi.NULL + + def __init__(self) -> None: + self._ensure_ffi_initialized() + + def _enable_fips(self) -> None: + # This function enables FIPS mode for OpenSSL 3.0.0 on installs that + # have the FIPS provider installed properly. + _openssl_assert(self.lib, self.lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER) + self._base_provider = self.lib.OSSL_PROVIDER_load( + self.ffi.NULL, b"base" + ) + _openssl_assert(self.lib, self._base_provider != self.ffi.NULL) + self.lib._fips_provider = self.lib.OSSL_PROVIDER_load( + self.ffi.NULL, b"fips" + ) + _openssl_assert(self.lib, self.lib._fips_provider != self.ffi.NULL) + + res = self.lib.EVP_default_properties_enable_fips(self.ffi.NULL, 1) + _openssl_assert(self.lib, res == 1) + + @classmethod + def _ensure_ffi_initialized(cls) -> None: + with cls._init_lock: + if not cls._lib_loaded: + cls.lib = build_conditional_library( + _openssl.lib, CONDITIONAL_NAMES + ) + cls._lib_loaded = True + # As of OpenSSL 3.0.0 we must register a legacy cipher provider + # to get RC2 (needed for junk asymmetric private key + # serialization), RC4, Blowfish, IDEA, SEED, etc. These things + # are ugly legacy, but we aren't going to get rid of them + # any time soon. + if cls.lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER: + if not os.environ.get("CRYPTOGRAPHY_OPENSSL_NO_LEGACY"): + cls._legacy_provider = cls.lib.OSSL_PROVIDER_load( + cls.ffi.NULL, b"legacy" + ) + cls._legacy_provider_loaded = ( + cls._legacy_provider != cls.ffi.NULL + ) + _legacy_provider_error(cls._legacy_provider_loaded) + + cls._default_provider = cls.lib.OSSL_PROVIDER_load( + cls.ffi.NULL, b"default" + ) + _openssl_assert( + cls.lib, cls._default_provider != cls.ffi.NULL + ) + + @classmethod + def init_static_locks(cls) -> None: + cls._ensure_ffi_initialized() + + +def _verify_package_version(version: str) -> None: + # Occasionally we run into situations where the version of the Python + # package does not match the version of the shared object that is loaded. + # This may occur in environments where multiple versions of cryptography + # are installed and available in the python path. To avoid errors cropping + # up later this code checks that the currently imported package and the + # shared object that were loaded have the same version and raise an + # ImportError if they do not + so_package_version = _openssl.ffi.string( + _openssl.lib.CRYPTOGRAPHY_PACKAGE_VERSION + ) + if version.encode("ascii") != so_package_version: + raise ImportError( + "The version of cryptography does not match the loaded " + "shared object. This can happen if you have multiple copies of " + "cryptography installed in your Python path. Please try creating " + "a new virtual environment to resolve this issue. " + "Loaded python version: {}, shared object version: {}".format( + version, so_package_version + ) + ) + + _openssl_assert( + _openssl.lib, + _openssl.lib.OpenSSL_version_num() == openssl.openssl_version(), + ) + + +_verify_package_version(cryptography.__version__) + +Binding.init_static_locks() + +if ( + sys.platform == "win32" + and os.environ.get("PROCESSOR_ARCHITEW6432") is not None +): + warnings.warn( + "You are using cryptography on a 32-bit Python on a 64-bit Windows " + "Operating System. Cryptography will be significantly faster if you " + "switch to using a 64-bit Python.", + UserWarning, + stacklevel=2, + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/__init__.py new file mode 100644 index 0000000..b509336 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/__init__.py @@ -0,0 +1,3 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. 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See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc + +# This exists to break an import cycle. It is normally accessible from the +# asymmetric padding module. + + +class AsymmetricPadding(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def name(self) -> str: + """ + A string naming this padding (e.g. "PSS", "PKCS1"). + """ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py new file mode 100644 index 0000000..3b880b6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py @@ -0,0 +1,45 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +# This exists to break an import cycle. It is normally accessible from the +# ciphers module. + + +class CipherAlgorithm(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def name(self) -> str: + """ + A string naming this mode (e.g. "AES", "Camellia"). + """ + + @property + @abc.abstractmethod + def key_sizes(self) -> typing.FrozenSet[int]: + """ + Valid key sizes for this algorithm in bits + """ + + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + The size of the key being used as an integer in bits (e.g. 128, 256). + """ + + +class BlockCipherAlgorithm(CipherAlgorithm): + key: bytes + + @property + @abc.abstractmethod + def block_size(self) -> int: + """ + The size of a block as an integer in bits (e.g. 64, 128). + """ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_serialization.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_serialization.py new file mode 100644 index 0000000..34f3fbc --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/_serialization.py @@ -0,0 +1,170 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography import utils +from cryptography.hazmat.primitives.hashes import HashAlgorithm + +# This exists to break an import cycle. These classes are normally accessible +# from the serialization module. + + +class PBES(utils.Enum): + PBESv1SHA1And3KeyTripleDESCBC = "PBESv1 using SHA1 and 3-Key TripleDES" + PBESv2SHA256AndAES256CBC = "PBESv2 using SHA256 PBKDF2 and AES256 CBC" + + +class Encoding(utils.Enum): + PEM = "PEM" + DER = "DER" + OpenSSH = "OpenSSH" + Raw = "Raw" + X962 = "ANSI X9.62" + SMIME = "S/MIME" + + +class PrivateFormat(utils.Enum): + PKCS8 = "PKCS8" + TraditionalOpenSSL = "TraditionalOpenSSL" + Raw = "Raw" + OpenSSH = "OpenSSH" + PKCS12 = "PKCS12" + + def encryption_builder(self) -> KeySerializationEncryptionBuilder: + if self not in (PrivateFormat.OpenSSH, PrivateFormat.PKCS12): + raise ValueError( + "encryption_builder only supported with PrivateFormat.OpenSSH" + " and PrivateFormat.PKCS12" + ) + return KeySerializationEncryptionBuilder(self) + + +class PublicFormat(utils.Enum): + SubjectPublicKeyInfo = "X.509 subjectPublicKeyInfo with PKCS#1" + PKCS1 = "Raw PKCS#1" + OpenSSH = "OpenSSH" + Raw = "Raw" + CompressedPoint = "X9.62 Compressed Point" + UncompressedPoint = "X9.62 Uncompressed Point" + + +class ParameterFormat(utils.Enum): + PKCS3 = "PKCS3" + + +class KeySerializationEncryption(metaclass=abc.ABCMeta): + pass + + +class BestAvailableEncryption(KeySerializationEncryption): + def __init__(self, password: bytes): + if not isinstance(password, bytes) or len(password) == 0: + raise ValueError("Password must be 1 or more bytes.") + + self.password = password + + +class NoEncryption(KeySerializationEncryption): + pass + + +class KeySerializationEncryptionBuilder: + def __init__( + self, + format: PrivateFormat, + *, + _kdf_rounds: typing.Optional[int] = None, + _hmac_hash: typing.Optional[HashAlgorithm] = None, + _key_cert_algorithm: typing.Optional[PBES] = None, + ) -> None: + self._format = format + + self._kdf_rounds = _kdf_rounds + self._hmac_hash = _hmac_hash + self._key_cert_algorithm = _key_cert_algorithm + + def kdf_rounds(self, rounds: int) -> KeySerializationEncryptionBuilder: + if self._kdf_rounds is not None: + raise ValueError("kdf_rounds already set") + + if not isinstance(rounds, int): + raise TypeError("kdf_rounds must be an integer") + + if rounds < 1: + raise ValueError("kdf_rounds must be a positive integer") + + return KeySerializationEncryptionBuilder( + self._format, + _kdf_rounds=rounds, + _hmac_hash=self._hmac_hash, + _key_cert_algorithm=self._key_cert_algorithm, + ) + + def hmac_hash( + self, algorithm: HashAlgorithm + ) -> KeySerializationEncryptionBuilder: + if self._format is not PrivateFormat.PKCS12: + raise TypeError( + "hmac_hash only supported with PrivateFormat.PKCS12" + ) + + if self._hmac_hash is not None: + raise ValueError("hmac_hash already set") + return KeySerializationEncryptionBuilder( + self._format, + _kdf_rounds=self._kdf_rounds, + _hmac_hash=algorithm, + _key_cert_algorithm=self._key_cert_algorithm, + ) + + def key_cert_algorithm( + self, algorithm: PBES + ) -> KeySerializationEncryptionBuilder: + if self._format is not PrivateFormat.PKCS12: + raise TypeError( + "key_cert_algorithm only supported with " + "PrivateFormat.PKCS12" + ) + if self._key_cert_algorithm is not None: + raise ValueError("key_cert_algorithm already set") + return KeySerializationEncryptionBuilder( + self._format, + _kdf_rounds=self._kdf_rounds, + _hmac_hash=self._hmac_hash, + _key_cert_algorithm=algorithm, + ) + + def build(self, password: bytes) -> KeySerializationEncryption: + if not isinstance(password, bytes) or len(password) == 0: + raise ValueError("Password must be 1 or more bytes.") + + return _KeySerializationEncryption( + self._format, + password, + kdf_rounds=self._kdf_rounds, + hmac_hash=self._hmac_hash, + key_cert_algorithm=self._key_cert_algorithm, + ) + + +class _KeySerializationEncryption(KeySerializationEncryption): + def __init__( + self, + format: PrivateFormat, + password: bytes, + *, + kdf_rounds: typing.Optional[int], + hmac_hash: typing.Optional[HashAlgorithm], + key_cert_algorithm: typing.Optional[PBES], + ): + self._format = format + self.password = password + + self._kdf_rounds = kdf_rounds + self._hmac_hash = hmac_hash + self._key_cert_algorithm = key_cert_algorithm diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/__init__.py new file mode 100644 index 0000000..b509336 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/__init__.py @@ -0,0 +1,3 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. 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See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import _serialization + + +def generate_parameters( + generator: int, key_size: int, backend: typing.Any = None +) -> DHParameters: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.generate_dh_parameters(generator, key_size) + + +class DHParameterNumbers: + def __init__(self, p: int, g: int, q: typing.Optional[int] = None) -> None: + if not isinstance(p, int) or not isinstance(g, int): + raise TypeError("p and g must be integers") + if q is not None and not isinstance(q, int): + raise TypeError("q must be integer or None") + + if g < 2: + raise ValueError("DH generator must be 2 or greater") + + if p.bit_length() < rust_openssl.dh.MIN_MODULUS_SIZE: + raise ValueError( + f"p (modulus) must be at least " + f"{rust_openssl.dh.MIN_MODULUS_SIZE}-bit" + ) + + self._p = p + self._g = g + self._q = q + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DHParameterNumbers): + return NotImplemented + + return ( + self._p == other._p and self._g == other._g and self._q == other._q + ) + + def parameters(self, backend: typing.Any = None) -> DHParameters: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_dh_parameter_numbers(self) + + @property + def p(self) -> int: + return self._p + + @property + def g(self) -> int: + return self._g + + @property + def q(self) -> typing.Optional[int]: + return self._q + + +class DHPublicNumbers: + def __init__(self, y: int, parameter_numbers: DHParameterNumbers) -> None: + if not isinstance(y, int): + raise TypeError("y must be an integer.") + + if not isinstance(parameter_numbers, DHParameterNumbers): + raise TypeError( + "parameters must be an instance of DHParameterNumbers." + ) + + self._y = y + self._parameter_numbers = parameter_numbers + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DHPublicNumbers): + return NotImplemented + + return ( + self._y == other._y + and self._parameter_numbers == other._parameter_numbers + ) + + def public_key(self, backend: typing.Any = None) -> DHPublicKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_dh_public_numbers(self) + + @property + def y(self) -> int: + return self._y + + @property + def parameter_numbers(self) -> DHParameterNumbers: + return self._parameter_numbers + + +class DHPrivateNumbers: + def __init__(self, x: int, public_numbers: DHPublicNumbers) -> None: + if not isinstance(x, int): + raise TypeError("x must be an integer.") + + if not isinstance(public_numbers, DHPublicNumbers): + raise TypeError( + "public_numbers must be an instance of " "DHPublicNumbers." + ) + + self._x = x + self._public_numbers = public_numbers + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DHPrivateNumbers): + return NotImplemented + + return ( + self._x == other._x + and self._public_numbers == other._public_numbers + ) + + def private_key(self, backend: typing.Any = None) -> DHPrivateKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_dh_private_numbers(self) + + @property + def public_numbers(self) -> DHPublicNumbers: + return self._public_numbers + + @property + def x(self) -> int: + return self._x + + +class DHParameters(metaclass=abc.ABCMeta): + @abc.abstractmethod + def generate_private_key(self) -> DHPrivateKey: + """ + Generates and returns a DHPrivateKey. + """ + + @abc.abstractmethod + def parameter_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.ParameterFormat, + ) -> bytes: + """ + Returns the parameters serialized as bytes. + """ + + @abc.abstractmethod + def parameter_numbers(self) -> DHParameterNumbers: + """ + Returns a DHParameterNumbers. + """ + + +DHParametersWithSerialization = DHParameters +DHParameters.register(rust_openssl.dh.DHParameters) + + +class DHPublicKey(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def parameters(self) -> DHParameters: + """ + The DHParameters object associated with this public key. + """ + + @abc.abstractmethod + def public_numbers(self) -> DHPublicNumbers: + """ + Returns a DHPublicNumbers. + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +DHPublicKeyWithSerialization = DHPublicKey +DHPublicKey.register(rust_openssl.dh.DHPublicKey) + + +class DHPrivateKey(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def public_key(self) -> DHPublicKey: + """ + The DHPublicKey associated with this private key. + """ + + @abc.abstractmethod + def parameters(self) -> DHParameters: + """ + The DHParameters object associated with this private key. + """ + + @abc.abstractmethod + def exchange(self, peer_public_key: DHPublicKey) -> bytes: + """ + Given peer's DHPublicKey, carry out the key exchange and + return shared key as bytes. + """ + + @abc.abstractmethod + def private_numbers(self) -> DHPrivateNumbers: + """ + Returns a DHPrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +DHPrivateKeyWithSerialization = DHPrivateKey +DHPrivateKey.register(rust_openssl.dh.DHPrivateKey) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py new file mode 100644 index 0000000..a8c52de --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py @@ -0,0 +1,299 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import _serialization, hashes +from cryptography.hazmat.primitives.asymmetric import utils as asym_utils + + +class DSAParameters(metaclass=abc.ABCMeta): + @abc.abstractmethod + def generate_private_key(self) -> DSAPrivateKey: + """ + Generates and returns a DSAPrivateKey. + """ + + @abc.abstractmethod + def parameter_numbers(self) -> DSAParameterNumbers: + """ + Returns a DSAParameterNumbers. + """ + + +DSAParametersWithNumbers = DSAParameters +DSAParameters.register(rust_openssl.dsa.DSAParameters) + + +class DSAPrivateKey(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def public_key(self) -> DSAPublicKey: + """ + The DSAPublicKey associated with this private key. + """ + + @abc.abstractmethod + def parameters(self) -> DSAParameters: + """ + The DSAParameters object associated with this private key. + """ + + @abc.abstractmethod + def sign( + self, + data: bytes, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> bytes: + """ + Signs the data + """ + + @abc.abstractmethod + def private_numbers(self) -> DSAPrivateNumbers: + """ + Returns a DSAPrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +DSAPrivateKeyWithSerialization = DSAPrivateKey +DSAPrivateKey.register(rust_openssl.dsa.DSAPrivateKey) + + +class DSAPublicKey(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def parameters(self) -> DSAParameters: + """ + The DSAParameters object associated with this public key. + """ + + @abc.abstractmethod + def public_numbers(self) -> DSAPublicNumbers: + """ + Returns a DSAPublicNumbers. + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + @abc.abstractmethod + def verify( + self, + signature: bytes, + data: bytes, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> None: + """ + Verifies the signature of the data. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +DSAPublicKeyWithSerialization = DSAPublicKey +DSAPublicKey.register(rust_openssl.dsa.DSAPublicKey) + + +class DSAParameterNumbers: + def __init__(self, p: int, q: int, g: int): + if ( + not isinstance(p, int) + or not isinstance(q, int) + or not isinstance(g, int) + ): + raise TypeError( + "DSAParameterNumbers p, q, and g arguments must be integers." + ) + + self._p = p + self._q = q + self._g = g + + @property + def p(self) -> int: + return self._p + + @property + def q(self) -> int: + return self._q + + @property + def g(self) -> int: + return self._g + + def parameters(self, backend: typing.Any = None) -> DSAParameters: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_dsa_parameter_numbers(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DSAParameterNumbers): + return NotImplemented + + return self.p == other.p and self.q == other.q and self.g == other.g + + def __repr__(self) -> str: + return ( + "".format(self=self) + ) + + +class DSAPublicNumbers: + def __init__(self, y: int, parameter_numbers: DSAParameterNumbers): + if not isinstance(y, int): + raise TypeError("DSAPublicNumbers y argument must be an integer.") + + if not isinstance(parameter_numbers, DSAParameterNumbers): + raise TypeError( + "parameter_numbers must be a DSAParameterNumbers instance." + ) + + self._y = y + self._parameter_numbers = parameter_numbers + + @property + def y(self) -> int: + return self._y + + @property + def parameter_numbers(self) -> DSAParameterNumbers: + return self._parameter_numbers + + def public_key(self, backend: typing.Any = None) -> DSAPublicKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_dsa_public_numbers(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DSAPublicNumbers): + return NotImplemented + + return ( + self.y == other.y + and self.parameter_numbers == other.parameter_numbers + ) + + def __repr__(self) -> str: + return ( + "".format(self=self) + ) + + +class DSAPrivateNumbers: + def __init__(self, x: int, public_numbers: DSAPublicNumbers): + if not isinstance(x, int): + raise TypeError("DSAPrivateNumbers x argument must be an integer.") + + if not isinstance(public_numbers, DSAPublicNumbers): + raise TypeError( + "public_numbers must be a DSAPublicNumbers instance." + ) + self._public_numbers = public_numbers + self._x = x + + @property + def x(self) -> int: + return self._x + + @property + def public_numbers(self) -> DSAPublicNumbers: + return self._public_numbers + + def private_key(self, backend: typing.Any = None) -> DSAPrivateKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_dsa_private_numbers(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DSAPrivateNumbers): + return NotImplemented + + return ( + self.x == other.x and self.public_numbers == other.public_numbers + ) + + +def generate_parameters( + key_size: int, backend: typing.Any = None +) -> DSAParameters: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.generate_dsa_parameters(key_size) + + +def generate_private_key( + key_size: int, backend: typing.Any = None +) -> DSAPrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.generate_dsa_private_key_and_parameters(key_size) + + +def _check_dsa_parameters(parameters: DSAParameterNumbers) -> None: + if parameters.p.bit_length() not in [1024, 2048, 3072, 4096]: + raise ValueError( + "p must be exactly 1024, 2048, 3072, or 4096 bits long" + ) + if parameters.q.bit_length() not in [160, 224, 256]: + raise ValueError("q must be exactly 160, 224, or 256 bits long") + + if not (1 < parameters.g < parameters.p): + raise ValueError("g, p don't satisfy 1 < g < p.") + + +def _check_dsa_private_numbers(numbers: DSAPrivateNumbers) -> None: + parameters = numbers.public_numbers.parameter_numbers + _check_dsa_parameters(parameters) + if numbers.x <= 0 or numbers.x >= parameters.q: + raise ValueError("x must be > 0 and < q.") + + if numbers.public_numbers.y != pow(parameters.g, numbers.x, parameters.p): + raise ValueError("y must be equal to (g ** x % p).") diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ec.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ec.py new file mode 100644 index 0000000..ddfaabf --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ec.py @@ -0,0 +1,490 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography import utils +from cryptography.hazmat._oid import ObjectIdentifier +from cryptography.hazmat.primitives import _serialization, hashes +from cryptography.hazmat.primitives.asymmetric import utils as asym_utils + + +class EllipticCurveOID: + SECP192R1 = ObjectIdentifier("1.2.840.10045.3.1.1") + SECP224R1 = ObjectIdentifier("1.3.132.0.33") + SECP256K1 = ObjectIdentifier("1.3.132.0.10") + SECP256R1 = ObjectIdentifier("1.2.840.10045.3.1.7") + SECP384R1 = ObjectIdentifier("1.3.132.0.34") + SECP521R1 = ObjectIdentifier("1.3.132.0.35") + BRAINPOOLP256R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.7") + BRAINPOOLP384R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.11") + BRAINPOOLP512R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.13") + SECT163K1 = ObjectIdentifier("1.3.132.0.1") + SECT163R2 = ObjectIdentifier("1.3.132.0.15") + SECT233K1 = ObjectIdentifier("1.3.132.0.26") + SECT233R1 = ObjectIdentifier("1.3.132.0.27") + SECT283K1 = ObjectIdentifier("1.3.132.0.16") + SECT283R1 = ObjectIdentifier("1.3.132.0.17") + SECT409K1 = ObjectIdentifier("1.3.132.0.36") + SECT409R1 = ObjectIdentifier("1.3.132.0.37") + SECT571K1 = ObjectIdentifier("1.3.132.0.38") + SECT571R1 = ObjectIdentifier("1.3.132.0.39") + + +class EllipticCurve(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def name(self) -> str: + """ + The name of the curve. e.g. secp256r1. + """ + + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + Bit size of a secret scalar for the curve. + """ + + +class EllipticCurveSignatureAlgorithm(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def algorithm( + self, + ) -> typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm]: + """ + The digest algorithm used with this signature. + """ + + +class EllipticCurvePrivateKey(metaclass=abc.ABCMeta): + @abc.abstractmethod + def exchange( + self, algorithm: ECDH, peer_public_key: EllipticCurvePublicKey + ) -> bytes: + """ + Performs a key exchange operation using the provided algorithm with the + provided peer's public key. + """ + + @abc.abstractmethod + def public_key(self) -> EllipticCurvePublicKey: + """ + The EllipticCurvePublicKey for this private key. + """ + + @property + @abc.abstractmethod + def curve(self) -> EllipticCurve: + """ + The EllipticCurve that this key is on. + """ + + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + Bit size of a secret scalar for the curve. + """ + + @abc.abstractmethod + def sign( + self, + data: bytes, + signature_algorithm: EllipticCurveSignatureAlgorithm, + ) -> bytes: + """ + Signs the data + """ + + @abc.abstractmethod + def private_numbers(self) -> EllipticCurvePrivateNumbers: + """ + Returns an EllipticCurvePrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +EllipticCurvePrivateKeyWithSerialization = EllipticCurvePrivateKey + + +class EllipticCurvePublicKey(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def curve(self) -> EllipticCurve: + """ + The EllipticCurve that this key is on. + """ + + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + Bit size of a secret scalar for the curve. + """ + + @abc.abstractmethod + def public_numbers(self) -> EllipticCurvePublicNumbers: + """ + Returns an EllipticCurvePublicNumbers. + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + @abc.abstractmethod + def verify( + self, + signature: bytes, + data: bytes, + signature_algorithm: EllipticCurveSignatureAlgorithm, + ) -> None: + """ + Verifies the signature of the data. + """ + + @classmethod + def from_encoded_point( + cls, curve: EllipticCurve, data: bytes + ) -> EllipticCurvePublicKey: + utils._check_bytes("data", data) + + if not isinstance(curve, EllipticCurve): + raise TypeError("curve must be an EllipticCurve instance") + + if len(data) == 0: + raise ValueError("data must not be an empty byte string") + + if data[0] not in [0x02, 0x03, 0x04]: + raise ValueError("Unsupported elliptic curve point type") + + from cryptography.hazmat.backends.openssl.backend import backend + + return backend.load_elliptic_curve_public_bytes(curve, data) + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +EllipticCurvePublicKeyWithSerialization = EllipticCurvePublicKey + + +class SECT571R1(EllipticCurve): + name = "sect571r1" + key_size = 570 + + +class SECT409R1(EllipticCurve): + name = "sect409r1" + key_size = 409 + + +class SECT283R1(EllipticCurve): + name = "sect283r1" + key_size = 283 + + +class SECT233R1(EllipticCurve): + name = "sect233r1" + key_size = 233 + + +class SECT163R2(EllipticCurve): + name = "sect163r2" + key_size = 163 + + +class SECT571K1(EllipticCurve): + name = "sect571k1" + key_size = 571 + + +class SECT409K1(EllipticCurve): + name = "sect409k1" + key_size = 409 + + +class SECT283K1(EllipticCurve): + name = "sect283k1" + key_size = 283 + + +class SECT233K1(EllipticCurve): + name = "sect233k1" + key_size = 233 + + +class SECT163K1(EllipticCurve): + name = "sect163k1" + key_size = 163 + + +class SECP521R1(EllipticCurve): + name = "secp521r1" + key_size = 521 + + +class SECP384R1(EllipticCurve): + name = "secp384r1" + key_size = 384 + + +class SECP256R1(EllipticCurve): + name = "secp256r1" + key_size = 256 + + +class SECP256K1(EllipticCurve): + name = "secp256k1" + key_size = 256 + + +class SECP224R1(EllipticCurve): + name = "secp224r1" + key_size = 224 + + +class SECP192R1(EllipticCurve): + name = "secp192r1" + key_size = 192 + + +class BrainpoolP256R1(EllipticCurve): + name = "brainpoolP256r1" + key_size = 256 + + +class BrainpoolP384R1(EllipticCurve): + name = "brainpoolP384r1" + key_size = 384 + + +class BrainpoolP512R1(EllipticCurve): + name = "brainpoolP512r1" + key_size = 512 + + +_CURVE_TYPES: typing.Dict[str, typing.Type[EllipticCurve]] = { + "prime192v1": SECP192R1, + "prime256v1": SECP256R1, + "secp192r1": SECP192R1, + "secp224r1": SECP224R1, + "secp256r1": SECP256R1, + "secp384r1": SECP384R1, + "secp521r1": SECP521R1, + "secp256k1": SECP256K1, + "sect163k1": SECT163K1, + "sect233k1": SECT233K1, + "sect283k1": SECT283K1, + "sect409k1": SECT409K1, + "sect571k1": SECT571K1, + "sect163r2": SECT163R2, + "sect233r1": SECT233R1, + "sect283r1": SECT283R1, + "sect409r1": SECT409R1, + "sect571r1": SECT571R1, + "brainpoolP256r1": BrainpoolP256R1, + "brainpoolP384r1": BrainpoolP384R1, + "brainpoolP512r1": BrainpoolP512R1, +} + + +class ECDSA(EllipticCurveSignatureAlgorithm): + def __init__( + self, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ): + self._algorithm = algorithm + + @property + def algorithm( + self, + ) -> typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm]: + return self._algorithm + + +def generate_private_key( + curve: EllipticCurve, backend: typing.Any = None +) -> EllipticCurvePrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.generate_elliptic_curve_private_key(curve) + + +def derive_private_key( + private_value: int, + curve: EllipticCurve, + backend: typing.Any = None, +) -> EllipticCurvePrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + if not isinstance(private_value, int): + raise TypeError("private_value must be an integer type.") + + if private_value <= 0: + raise ValueError("private_value must be a positive integer.") + + if not isinstance(curve, EllipticCurve): + raise TypeError("curve must provide the EllipticCurve interface.") + + return ossl.derive_elliptic_curve_private_key(private_value, curve) + + +class EllipticCurvePublicNumbers: + def __init__(self, x: int, y: int, curve: EllipticCurve): + if not isinstance(x, int) or not isinstance(y, int): + raise TypeError("x and y must be integers.") + + if not isinstance(curve, EllipticCurve): + raise TypeError("curve must provide the EllipticCurve interface.") + + self._y = y + self._x = x + self._curve = curve + + def public_key(self, backend: typing.Any = None) -> EllipticCurvePublicKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_elliptic_curve_public_numbers(self) + + @property + def curve(self) -> EllipticCurve: + return self._curve + + @property + def x(self) -> int: + return self._x + + @property + def y(self) -> int: + return self._y + + def __eq__(self, other: object) -> bool: + if not isinstance(other, EllipticCurvePublicNumbers): + return NotImplemented + + return ( + self.x == other.x + and self.y == other.y + and self.curve.name == other.curve.name + and self.curve.key_size == other.curve.key_size + ) + + def __hash__(self) -> int: + return hash((self.x, self.y, self.curve.name, self.curve.key_size)) + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + +class EllipticCurvePrivateNumbers: + def __init__( + self, private_value: int, public_numbers: EllipticCurvePublicNumbers + ): + if not isinstance(private_value, int): + raise TypeError("private_value must be an integer.") + + if not isinstance(public_numbers, EllipticCurvePublicNumbers): + raise TypeError( + "public_numbers must be an EllipticCurvePublicNumbers " + "instance." + ) + + self._private_value = private_value + self._public_numbers = public_numbers + + def private_key( + self, backend: typing.Any = None + ) -> EllipticCurvePrivateKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_elliptic_curve_private_numbers(self) + + @property + def private_value(self) -> int: + return self._private_value + + @property + def public_numbers(self) -> EllipticCurvePublicNumbers: + return self._public_numbers + + def __eq__(self, other: object) -> bool: + if not isinstance(other, EllipticCurvePrivateNumbers): + return NotImplemented + + return ( + self.private_value == other.private_value + and self.public_numbers == other.public_numbers + ) + + def __hash__(self) -> int: + return hash((self.private_value, self.public_numbers)) + + +class ECDH: + pass + + +_OID_TO_CURVE = { + EllipticCurveOID.SECP192R1: SECP192R1, + EllipticCurveOID.SECP224R1: SECP224R1, + EllipticCurveOID.SECP256K1: SECP256K1, + EllipticCurveOID.SECP256R1: SECP256R1, + EllipticCurveOID.SECP384R1: SECP384R1, + EllipticCurveOID.SECP521R1: SECP521R1, + EllipticCurveOID.BRAINPOOLP256R1: BrainpoolP256R1, + EllipticCurveOID.BRAINPOOLP384R1: BrainpoolP384R1, + EllipticCurveOID.BRAINPOOLP512R1: BrainpoolP512R1, + EllipticCurveOID.SECT163K1: SECT163K1, + EllipticCurveOID.SECT163R2: SECT163R2, + EllipticCurveOID.SECT233K1: SECT233K1, + EllipticCurveOID.SECT233R1: SECT233R1, + EllipticCurveOID.SECT283K1: SECT283K1, + EllipticCurveOID.SECT283R1: SECT283R1, + EllipticCurveOID.SECT409K1: SECT409K1, + EllipticCurveOID.SECT409R1: SECT409R1, + EllipticCurveOID.SECT571K1: SECT571K1, + EllipticCurveOID.SECT571R1: SECT571R1, +} + + +def get_curve_for_oid(oid: ObjectIdentifier) -> typing.Type[EllipticCurve]: + try: + return _OID_TO_CURVE[oid] + except KeyError: + raise LookupError( + "The provided object identifier has no matching elliptic " + "curve class" + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py new file mode 100644 index 0000000..f26e54d --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py @@ -0,0 +1,118 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import _serialization + + +class Ed25519PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> Ed25519PublicKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed25519_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def public_bytes_raw(self) -> bytes: + """ + The raw bytes of the public key. + Equivalent to public_bytes(Raw, Raw). + """ + + @abc.abstractmethod + def verify(self, signature: bytes, data: bytes) -> None: + """ + Verify the signature. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +if hasattr(rust_openssl, "ed25519"): + Ed25519PublicKey.register(rust_openssl.ed25519.Ed25519PublicKey) + + +class Ed25519PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> Ed25519PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed25519_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> Ed25519PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed25519_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> Ed25519PublicKey: + """ + The Ed25519PublicKey derived from the private key. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def private_bytes_raw(self) -> bytes: + """ + The raw bytes of the private key. + Equivalent to private_bytes(Raw, Raw, NoEncryption()). + """ + + @abc.abstractmethod + def sign(self, data: bytes) -> bytes: + """ + Signs the data. + """ + + +if hasattr(rust_openssl, "x25519"): + Ed25519PrivateKey.register(rust_openssl.ed25519.Ed25519PrivateKey) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed448.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed448.py new file mode 100644 index 0000000..a9a34b2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed448.py @@ -0,0 +1,117 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import _serialization + + +class Ed448PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> Ed448PublicKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed448_supported(): + raise UnsupportedAlgorithm( + "ed448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed448_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def public_bytes_raw(self) -> bytes: + """ + The raw bytes of the public key. + Equivalent to public_bytes(Raw, Raw). + """ + + @abc.abstractmethod + def verify(self, signature: bytes, data: bytes) -> None: + """ + Verify the signature. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +if hasattr(rust_openssl, "ed448"): + Ed448PublicKey.register(rust_openssl.ed448.Ed448PublicKey) + + +class Ed448PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> Ed448PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed448_supported(): + raise UnsupportedAlgorithm( + "ed448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + return backend.ed448_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> Ed448PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed448_supported(): + raise UnsupportedAlgorithm( + "ed448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed448_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> Ed448PublicKey: + """ + The Ed448PublicKey derived from the private key. + """ + + @abc.abstractmethod + def sign(self, data: bytes) -> bytes: + """ + Signs the data. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def private_bytes_raw(self) -> bytes: + """ + The raw bytes of the private key. + Equivalent to private_bytes(Raw, Raw, NoEncryption()). + """ + + +if hasattr(rust_openssl, "x448"): + Ed448PrivateKey.register(rust_openssl.ed448.Ed448PrivateKey) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/padding.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/padding.py new file mode 100644 index 0000000..7198808 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/padding.py @@ -0,0 +1,102 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives._asymmetric import ( + AsymmetricPadding as AsymmetricPadding, +) +from cryptography.hazmat.primitives.asymmetric import rsa + + +class PKCS1v15(AsymmetricPadding): + name = "EMSA-PKCS1-v1_5" + + +class _MaxLength: + "Sentinel value for `MAX_LENGTH`." + + +class _Auto: + "Sentinel value for `AUTO`." + + +class _DigestLength: + "Sentinel value for `DIGEST_LENGTH`." + + +class PSS(AsymmetricPadding): + MAX_LENGTH = _MaxLength() + AUTO = _Auto() + DIGEST_LENGTH = _DigestLength() + name = "EMSA-PSS" + _salt_length: typing.Union[int, _MaxLength, _Auto, _DigestLength] + + def __init__( + self, + mgf: MGF, + salt_length: typing.Union[int, _MaxLength, _Auto, _DigestLength], + ) -> None: + self._mgf = mgf + + if not isinstance( + salt_length, (int, _MaxLength, _Auto, _DigestLength) + ): + raise TypeError( + "salt_length must be an integer, MAX_LENGTH, " + "DIGEST_LENGTH, or AUTO" + ) + + if isinstance(salt_length, int) and salt_length < 0: + raise ValueError("salt_length must be zero or greater.") + + self._salt_length = salt_length + + +class OAEP(AsymmetricPadding): + name = "EME-OAEP" + + def __init__( + self, + mgf: MGF, + algorithm: hashes.HashAlgorithm, + label: typing.Optional[bytes], + ): + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + + self._mgf = mgf + self._algorithm = algorithm + self._label = label + + +class MGF(metaclass=abc.ABCMeta): + _algorithm: hashes.HashAlgorithm + + +class MGF1(MGF): + MAX_LENGTH = _MaxLength() + + def __init__(self, algorithm: hashes.HashAlgorithm): + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + + self._algorithm = algorithm + + +def calculate_max_pss_salt_length( + key: typing.Union[rsa.RSAPrivateKey, rsa.RSAPublicKey], + hash_algorithm: hashes.HashAlgorithm, +) -> int: + if not isinstance(key, (rsa.RSAPrivateKey, rsa.RSAPublicKey)): + raise TypeError("key must be an RSA public or private key") + # bit length - 1 per RFC 3447 + emlen = (key.key_size + 6) // 8 + salt_length = emlen - hash_algorithm.digest_size - 2 + assert salt_length >= 0 + return salt_length diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.py new file mode 100644 index 0000000..b740f01 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.py @@ -0,0 +1,439 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing +from math import gcd + +from cryptography.hazmat.primitives import _serialization, hashes +from cryptography.hazmat.primitives._asymmetric import AsymmetricPadding +from cryptography.hazmat.primitives.asymmetric import utils as asym_utils + + +class RSAPrivateKey(metaclass=abc.ABCMeta): + @abc.abstractmethod + def decrypt(self, ciphertext: bytes, padding: AsymmetricPadding) -> bytes: + """ + Decrypts the provided ciphertext. + """ + + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + The bit length of the public modulus. + """ + + @abc.abstractmethod + def public_key(self) -> RSAPublicKey: + """ + The RSAPublicKey associated with this private key. + """ + + @abc.abstractmethod + def sign( + self, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> bytes: + """ + Signs the data. + """ + + @abc.abstractmethod + def private_numbers(self) -> RSAPrivateNumbers: + """ + Returns an RSAPrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +RSAPrivateKeyWithSerialization = RSAPrivateKey + + +class RSAPublicKey(metaclass=abc.ABCMeta): + @abc.abstractmethod + def encrypt(self, plaintext: bytes, padding: AsymmetricPadding) -> bytes: + """ + Encrypts the given plaintext. + """ + + @property + @abc.abstractmethod + def key_size(self) -> int: + """ + The bit length of the public modulus. + """ + + @abc.abstractmethod + def public_numbers(self) -> RSAPublicNumbers: + """ + Returns an RSAPublicNumbers + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + @abc.abstractmethod + def verify( + self, + signature: bytes, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> None: + """ + Verifies the signature of the data. + """ + + @abc.abstractmethod + def recover_data_from_signature( + self, + signature: bytes, + padding: AsymmetricPadding, + algorithm: typing.Optional[hashes.HashAlgorithm], + ) -> bytes: + """ + Recovers the original data from the signature. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +RSAPublicKeyWithSerialization = RSAPublicKey + + +def generate_private_key( + public_exponent: int, + key_size: int, + backend: typing.Any = None, +) -> RSAPrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + _verify_rsa_parameters(public_exponent, key_size) + return ossl.generate_rsa_private_key(public_exponent, key_size) + + +def _verify_rsa_parameters(public_exponent: int, key_size: int) -> None: + if public_exponent not in (3, 65537): + raise ValueError( + "public_exponent must be either 3 (for legacy compatibility) or " + "65537. Almost everyone should choose 65537 here!" + ) + + if key_size < 512: + raise ValueError("key_size must be at least 512-bits.") + + +def _check_private_key_components( + p: int, + q: int, + private_exponent: int, + dmp1: int, + dmq1: int, + iqmp: int, + public_exponent: int, + modulus: int, +) -> None: + if modulus < 3: + raise ValueError("modulus must be >= 3.") + + if p >= modulus: + raise ValueError("p must be < modulus.") + + if q >= modulus: + raise ValueError("q must be < modulus.") + + if dmp1 >= modulus: + raise ValueError("dmp1 must be < modulus.") + + if dmq1 >= modulus: + raise ValueError("dmq1 must be < modulus.") + + if iqmp >= modulus: + raise ValueError("iqmp must be < modulus.") + + if private_exponent >= modulus: + raise ValueError("private_exponent must be < modulus.") + + if public_exponent < 3 or public_exponent >= modulus: + raise ValueError("public_exponent must be >= 3 and < modulus.") + + if public_exponent & 1 == 0: + raise ValueError("public_exponent must be odd.") + + if dmp1 & 1 == 0: + raise ValueError("dmp1 must be odd.") + + if dmq1 & 1 == 0: + raise ValueError("dmq1 must be odd.") + + if p * q != modulus: + raise ValueError("p*q must equal modulus.") + + +def _check_public_key_components(e: int, n: int) -> None: + if n < 3: + raise ValueError("n must be >= 3.") + + if e < 3 or e >= n: + raise ValueError("e must be >= 3 and < n.") + + if e & 1 == 0: + raise ValueError("e must be odd.") + + +def _modinv(e: int, m: int) -> int: + """ + Modular Multiplicative Inverse. Returns x such that: (x*e) mod m == 1 + """ + x1, x2 = 1, 0 + a, b = e, m + while b > 0: + q, r = divmod(a, b) + xn = x1 - q * x2 + a, b, x1, x2 = b, r, x2, xn + return x1 % m + + +def rsa_crt_iqmp(p: int, q: int) -> int: + """ + Compute the CRT (q ** -1) % p value from RSA primes p and q. + """ + return _modinv(q, p) + + +def rsa_crt_dmp1(private_exponent: int, p: int) -> int: + """ + Compute the CRT private_exponent % (p - 1) value from the RSA + private_exponent (d) and p. + """ + return private_exponent % (p - 1) + + +def rsa_crt_dmq1(private_exponent: int, q: int) -> int: + """ + Compute the CRT private_exponent % (q - 1) value from the RSA + private_exponent (d) and q. + """ + return private_exponent % (q - 1) + + +# Controls the number of iterations rsa_recover_prime_factors will perform +# to obtain the prime factors. Each iteration increments by 2 so the actual +# maximum attempts is half this number. +_MAX_RECOVERY_ATTEMPTS = 1000 + + +def rsa_recover_prime_factors( + n: int, e: int, d: int +) -> typing.Tuple[int, int]: + """ + Compute factors p and q from the private exponent d. We assume that n has + no more than two factors. This function is adapted from code in PyCrypto. + """ + # See 8.2.2(i) in Handbook of Applied Cryptography. + ktot = d * e - 1 + # The quantity d*e-1 is a multiple of phi(n), even, + # and can be represented as t*2^s. + t = ktot + while t % 2 == 0: + t = t // 2 + # Cycle through all multiplicative inverses in Zn. + # The algorithm is non-deterministic, but there is a 50% chance + # any candidate a leads to successful factoring. + # See "Digitalized Signatures and Public Key Functions as Intractable + # as Factorization", M. Rabin, 1979 + spotted = False + a = 2 + while not spotted and a < _MAX_RECOVERY_ATTEMPTS: + k = t + # Cycle through all values a^{t*2^i}=a^k + while k < ktot: + cand = pow(a, k, n) + # Check if a^k is a non-trivial root of unity (mod n) + if cand != 1 and cand != (n - 1) and pow(cand, 2, n) == 1: + # We have found a number such that (cand-1)(cand+1)=0 (mod n). + # Either of the terms divides n. + p = gcd(cand + 1, n) + spotted = True + break + k *= 2 + # This value was not any good... let's try another! + a += 2 + if not spotted: + raise ValueError("Unable to compute factors p and q from exponent d.") + # Found ! + q, r = divmod(n, p) + assert r == 0 + p, q = sorted((p, q), reverse=True) + return (p, q) + + +class RSAPrivateNumbers: + def __init__( + self, + p: int, + q: int, + d: int, + dmp1: int, + dmq1: int, + iqmp: int, + public_numbers: RSAPublicNumbers, + ): + if ( + not isinstance(p, int) + or not isinstance(q, int) + or not isinstance(d, int) + or not isinstance(dmp1, int) + or not isinstance(dmq1, int) + or not isinstance(iqmp, int) + ): + raise TypeError( + "RSAPrivateNumbers p, q, d, dmp1, dmq1, iqmp arguments must" + " all be an integers." + ) + + if not isinstance(public_numbers, RSAPublicNumbers): + raise TypeError( + "RSAPrivateNumbers public_numbers must be an RSAPublicNumbers" + " instance." + ) + + self._p = p + self._q = q + self._d = d + self._dmp1 = dmp1 + self._dmq1 = dmq1 + self._iqmp = iqmp + self._public_numbers = public_numbers + + @property + def p(self) -> int: + return self._p + + @property + def q(self) -> int: + return self._q + + @property + def d(self) -> int: + return self._d + + @property + def dmp1(self) -> int: + return self._dmp1 + + @property + def dmq1(self) -> int: + return self._dmq1 + + @property + def iqmp(self) -> int: + return self._iqmp + + @property + def public_numbers(self) -> RSAPublicNumbers: + return self._public_numbers + + def private_key( + self, + backend: typing.Any = None, + *, + unsafe_skip_rsa_key_validation: bool = False, + ) -> RSAPrivateKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_rsa_private_numbers( + self, unsafe_skip_rsa_key_validation + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RSAPrivateNumbers): + return NotImplemented + + return ( + self.p == other.p + and self.q == other.q + and self.d == other.d + and self.dmp1 == other.dmp1 + and self.dmq1 == other.dmq1 + and self.iqmp == other.iqmp + and self.public_numbers == other.public_numbers + ) + + def __hash__(self) -> int: + return hash( + ( + self.p, + self.q, + self.d, + self.dmp1, + self.dmq1, + self.iqmp, + self.public_numbers, + ) + ) + + +class RSAPublicNumbers: + def __init__(self, e: int, n: int): + if not isinstance(e, int) or not isinstance(n, int): + raise TypeError("RSAPublicNumbers arguments must be integers.") + + self._e = e + self._n = n + + @property + def e(self) -> int: + return self._e + + @property + def n(self) -> int: + return self._n + + def public_key(self, backend: typing.Any = None) -> RSAPublicKey: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + return ossl.load_rsa_public_numbers(self) + + def __repr__(self) -> str: + return "".format(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RSAPublicNumbers): + return NotImplemented + + return self.e == other.e and self.n == other.n + + def __hash__(self) -> int: + return hash((self.e, self.n)) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/types.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/types.py new file mode 100644 index 0000000..1fe4eaf --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/types.py @@ -0,0 +1,111 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import utils +from cryptography.hazmat.primitives.asymmetric import ( + dh, + dsa, + ec, + ed448, + ed25519, + rsa, + x448, + x25519, +) + +# Every asymmetric key type +PublicKeyTypes = typing.Union[ + dh.DHPublicKey, + dsa.DSAPublicKey, + rsa.RSAPublicKey, + ec.EllipticCurvePublicKey, + ed25519.Ed25519PublicKey, + ed448.Ed448PublicKey, + x25519.X25519PublicKey, + x448.X448PublicKey, +] +PUBLIC_KEY_TYPES = PublicKeyTypes +utils.deprecated( + PUBLIC_KEY_TYPES, + __name__, + "Use PublicKeyTypes instead", + utils.DeprecatedIn40, + name="PUBLIC_KEY_TYPES", +) +# Every asymmetric key type +PrivateKeyTypes = typing.Union[ + dh.DHPrivateKey, + ed25519.Ed25519PrivateKey, + ed448.Ed448PrivateKey, + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, + x25519.X25519PrivateKey, + x448.X448PrivateKey, +] +PRIVATE_KEY_TYPES = PrivateKeyTypes +utils.deprecated( + PRIVATE_KEY_TYPES, + __name__, + "Use PrivateKeyTypes instead", + utils.DeprecatedIn40, + name="PRIVATE_KEY_TYPES", +) +# Just the key types we allow to be used for x509 signing. This mirrors +# the certificate public key types +CertificateIssuerPrivateKeyTypes = typing.Union[ + ed25519.Ed25519PrivateKey, + ed448.Ed448PrivateKey, + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, +] +CERTIFICATE_PRIVATE_KEY_TYPES = CertificateIssuerPrivateKeyTypes +utils.deprecated( + CERTIFICATE_PRIVATE_KEY_TYPES, + __name__, + "Use CertificateIssuerPrivateKeyTypes instead", + utils.DeprecatedIn40, + name="CERTIFICATE_PRIVATE_KEY_TYPES", +) +# Just the key types we allow to be used for x509 signing. This mirrors +# the certificate private key types +CertificateIssuerPublicKeyTypes = typing.Union[ + dsa.DSAPublicKey, + rsa.RSAPublicKey, + ec.EllipticCurvePublicKey, + ed25519.Ed25519PublicKey, + ed448.Ed448PublicKey, +] +CERTIFICATE_ISSUER_PUBLIC_KEY_TYPES = CertificateIssuerPublicKeyTypes +utils.deprecated( + CERTIFICATE_ISSUER_PUBLIC_KEY_TYPES, + __name__, + "Use CertificateIssuerPublicKeyTypes instead", + utils.DeprecatedIn40, + name="CERTIFICATE_ISSUER_PUBLIC_KEY_TYPES", +) +# This type removes DHPublicKey. x448/x25519 can be a public key +# but cannot be used in signing so they are allowed here. +CertificatePublicKeyTypes = typing.Union[ + dsa.DSAPublicKey, + rsa.RSAPublicKey, + ec.EllipticCurvePublicKey, + ed25519.Ed25519PublicKey, + ed448.Ed448PublicKey, + x25519.X25519PublicKey, + x448.X448PublicKey, +] +CERTIFICATE_PUBLIC_KEY_TYPES = CertificatePublicKeyTypes +utils.deprecated( + CERTIFICATE_PUBLIC_KEY_TYPES, + __name__, + "Use CertificatePublicKeyTypes instead", + utils.DeprecatedIn40, + name="CERTIFICATE_PUBLIC_KEY_TYPES", +) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/utils.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/utils.py new file mode 100644 index 0000000..826b956 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/utils.py @@ -0,0 +1,24 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.hazmat.bindings._rust import asn1 +from cryptography.hazmat.primitives import hashes + +decode_dss_signature = asn1.decode_dss_signature +encode_dss_signature = asn1.encode_dss_signature + + +class Prehashed: + def __init__(self, algorithm: hashes.HashAlgorithm): + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of HashAlgorithm.") + + self._algorithm = algorithm + self._digest_size = algorithm.digest_size + + @property + def digest_size(self) -> int: + return self._digest_size diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/x25519.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/x25519.py new file mode 100644 index 0000000..699054c --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/x25519.py @@ -0,0 +1,113 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import _serialization + + +class X25519PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> X25519PublicKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x25519_supported(): + raise UnsupportedAlgorithm( + "X25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x25519_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def public_bytes_raw(self) -> bytes: + """ + The raw bytes of the public key. + Equivalent to public_bytes(Raw, Raw). + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +# For LibreSSL +if hasattr(rust_openssl, "x25519"): + X25519PublicKey.register(rust_openssl.x25519.X25519PublicKey) + + +class X25519PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> X25519PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x25519_supported(): + raise UnsupportedAlgorithm( + "X25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + return backend.x25519_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> X25519PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x25519_supported(): + raise UnsupportedAlgorithm( + "X25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x25519_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> X25519PublicKey: + """ + Returns the public key assosciated with this private key + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def private_bytes_raw(self) -> bytes: + """ + The raw bytes of the private key. + Equivalent to private_bytes(Raw, Raw, NoEncryption()). + """ + + @abc.abstractmethod + def exchange(self, peer_public_key: X25519PublicKey) -> bytes: + """ + Performs a key exchange operation using the provided peer's public key. + """ + + +# For LibreSSL +if hasattr(rust_openssl, "x25519"): + X25519PrivateKey.register(rust_openssl.x25519.X25519PrivateKey) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/x448.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/x448.py new file mode 100644 index 0000000..abf7848 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/x448.py @@ -0,0 +1,111 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import _serialization + + +class X448PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> X448PublicKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x448_supported(): + raise UnsupportedAlgorithm( + "X448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x448_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def public_bytes_raw(self) -> bytes: + """ + The raw bytes of the public key. + Equivalent to public_bytes(Raw, Raw). + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +if hasattr(rust_openssl, "x448"): + X448PublicKey.register(rust_openssl.x448.X448PublicKey) + + +class X448PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> X448PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x448_supported(): + raise UnsupportedAlgorithm( + "X448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + return backend.x448_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> X448PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x448_supported(): + raise UnsupportedAlgorithm( + "X448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x448_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> X448PublicKey: + """ + Returns the public key associated with this private key + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def private_bytes_raw(self) -> bytes: + """ + The raw bytes of the private key. + Equivalent to private_bytes(Raw, Raw, NoEncryption()). + """ + + @abc.abstractmethod + def exchange(self, peer_public_key: X448PublicKey) -> bytes: + """ + Performs a key exchange operation using the provided peer's public key. + """ + + +if hasattr(rust_openssl, "x448"): + X448PrivateKey.register(rust_openssl.x448.X448PrivateKey) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__init__.py new file mode 100644 index 0000000..cc88fbf --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__init__.py @@ -0,0 +1,27 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.hazmat.primitives._cipheralgorithm import ( + BlockCipherAlgorithm, + CipherAlgorithm, +) +from cryptography.hazmat.primitives.ciphers.base import ( + AEADCipherContext, + AEADDecryptionContext, + AEADEncryptionContext, + Cipher, + CipherContext, +) + +__all__ = [ + "Cipher", + "CipherAlgorithm", + "BlockCipherAlgorithm", + "CipherContext", + "AEADCipherContext", + "AEADDecryptionContext", + "AEADEncryptionContext", +] diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..37dfb40 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/aead.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/aead.cpython-312.pyc new file mode 100644 index 0000000..6d67b04 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/aead.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/algorithms.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/algorithms.cpython-312.pyc new file mode 100644 index 0000000..a10f5af Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/algorithms.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/base.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/base.cpython-312.pyc new file mode 100644 index 0000000..3c749ae Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/base.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/modes.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/modes.cpython-312.pyc new file mode 100644 index 0000000..2beebd2 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/__pycache__/modes.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/aead.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/aead.py new file mode 100644 index 0000000..957b2d2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/aead.py @@ -0,0 +1,378 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import os +import typing + +from cryptography import exceptions, utils +from cryptography.hazmat.backends.openssl import aead +from cryptography.hazmat.backends.openssl.backend import backend +from cryptography.hazmat.bindings._rust import FixedPool + + +class ChaCha20Poly1305: + _MAX_SIZE = 2**31 - 1 + + def __init__(self, key: bytes): + if not backend.aead_cipher_supported(self): + raise exceptions.UnsupportedAlgorithm( + "ChaCha20Poly1305 is not supported by this version of OpenSSL", + exceptions._Reasons.UNSUPPORTED_CIPHER, + ) + utils._check_byteslike("key", key) + + if len(key) != 32: + raise ValueError("ChaCha20Poly1305 key must be 32 bytes.") + + self._key = key + self._pool = FixedPool(self._create_fn) + + @classmethod + def generate_key(cls) -> bytes: + return os.urandom(32) + + def _create_fn(self): + return aead._aead_create_ctx(backend, self, self._key) + + def encrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + if len(data) > self._MAX_SIZE or len(associated_data) > self._MAX_SIZE: + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**31 - 1 bytes" + ) + + self._check_params(nonce, data, associated_data) + with self._pool.acquire() as ctx: + return aead._encrypt( + backend, self, nonce, data, [associated_data], 16, ctx + ) + + def decrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + self._check_params(nonce, data, associated_data) + with self._pool.acquire() as ctx: + return aead._decrypt( + backend, self, nonce, data, [associated_data], 16, ctx + ) + + def _check_params( + self, + nonce: bytes, + data: bytes, + associated_data: bytes, + ) -> None: + utils._check_byteslike("nonce", nonce) + utils._check_byteslike("data", data) + utils._check_byteslike("associated_data", associated_data) + if len(nonce) != 12: + raise ValueError("Nonce must be 12 bytes") + + +class AESCCM: + _MAX_SIZE = 2**31 - 1 + + def __init__(self, key: bytes, tag_length: int = 16): + utils._check_byteslike("key", key) + if len(key) not in (16, 24, 32): + raise ValueError("AESCCM key must be 128, 192, or 256 bits.") + + self._key = key + if not isinstance(tag_length, int): + raise TypeError("tag_length must be an integer") + + if tag_length not in (4, 6, 8, 10, 12, 14, 16): + raise ValueError("Invalid tag_length") + + self._tag_length = tag_length + + if not backend.aead_cipher_supported(self): + raise exceptions.UnsupportedAlgorithm( + "AESCCM is not supported by this version of OpenSSL", + exceptions._Reasons.UNSUPPORTED_CIPHER, + ) + + @classmethod + def generate_key(cls, bit_length: int) -> bytes: + if not isinstance(bit_length, int): + raise TypeError("bit_length must be an integer") + + if bit_length not in (128, 192, 256): + raise ValueError("bit_length must be 128, 192, or 256") + + return os.urandom(bit_length // 8) + + def encrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + if len(data) > self._MAX_SIZE or len(associated_data) > self._MAX_SIZE: + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**31 - 1 bytes" + ) + + self._check_params(nonce, data, associated_data) + self._validate_lengths(nonce, len(data)) + return aead._encrypt( + backend, self, nonce, data, [associated_data], self._tag_length + ) + + def decrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + self._check_params(nonce, data, associated_data) + return aead._decrypt( + backend, self, nonce, data, [associated_data], self._tag_length + ) + + def _validate_lengths(self, nonce: bytes, data_len: int) -> None: + # For information about computing this, see + # https://tools.ietf.org/html/rfc3610#section-2.1 + l_val = 15 - len(nonce) + if 2 ** (8 * l_val) < data_len: + raise ValueError("Data too long for nonce") + + def _check_params( + self, nonce: bytes, data: bytes, associated_data: bytes + ) -> None: + utils._check_byteslike("nonce", nonce) + utils._check_byteslike("data", data) + utils._check_byteslike("associated_data", associated_data) + if not 7 <= len(nonce) <= 13: + raise ValueError("Nonce must be between 7 and 13 bytes") + + +class AESGCM: + _MAX_SIZE = 2**31 - 1 + + def __init__(self, key: bytes): + utils._check_byteslike("key", key) + if len(key) not in (16, 24, 32): + raise ValueError("AESGCM key must be 128, 192, or 256 bits.") + + self._key = key + + @classmethod + def generate_key(cls, bit_length: int) -> bytes: + if not isinstance(bit_length, int): + raise TypeError("bit_length must be an integer") + + if bit_length not in (128, 192, 256): + raise ValueError("bit_length must be 128, 192, or 256") + + return os.urandom(bit_length // 8) + + def encrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + if len(data) > self._MAX_SIZE or len(associated_data) > self._MAX_SIZE: + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**31 - 1 bytes" + ) + + self._check_params(nonce, data, associated_data) + return aead._encrypt(backend, self, nonce, data, [associated_data], 16) + + def decrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + self._check_params(nonce, data, associated_data) + return aead._decrypt(backend, self, nonce, data, [associated_data], 16) + + def _check_params( + self, + nonce: bytes, + data: bytes, + associated_data: bytes, + ) -> None: + utils._check_byteslike("nonce", nonce) + utils._check_byteslike("data", data) + utils._check_byteslike("associated_data", associated_data) + if len(nonce) < 8 or len(nonce) > 128: + raise ValueError("Nonce must be between 8 and 128 bytes") + + +class AESOCB3: + _MAX_SIZE = 2**31 - 1 + + def __init__(self, key: bytes): + utils._check_byteslike("key", key) + if len(key) not in (16, 24, 32): + raise ValueError("AESOCB3 key must be 128, 192, or 256 bits.") + + self._key = key + + if not backend.aead_cipher_supported(self): + raise exceptions.UnsupportedAlgorithm( + "OCB3 is not supported by this version of OpenSSL", + exceptions._Reasons.UNSUPPORTED_CIPHER, + ) + + @classmethod + def generate_key(cls, bit_length: int) -> bytes: + if not isinstance(bit_length, int): + raise TypeError("bit_length must be an integer") + + if bit_length not in (128, 192, 256): + raise ValueError("bit_length must be 128, 192, or 256") + + return os.urandom(bit_length // 8) + + def encrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + if len(data) > self._MAX_SIZE or len(associated_data) > self._MAX_SIZE: + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**31 - 1 bytes" + ) + + self._check_params(nonce, data, associated_data) + return aead._encrypt(backend, self, nonce, data, [associated_data], 16) + + def decrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + self._check_params(nonce, data, associated_data) + return aead._decrypt(backend, self, nonce, data, [associated_data], 16) + + def _check_params( + self, + nonce: bytes, + data: bytes, + associated_data: bytes, + ) -> None: + utils._check_byteslike("nonce", nonce) + utils._check_byteslike("data", data) + utils._check_byteslike("associated_data", associated_data) + if len(nonce) < 12 or len(nonce) > 15: + raise ValueError("Nonce must be between 12 and 15 bytes") + + +class AESSIV: + _MAX_SIZE = 2**31 - 1 + + def __init__(self, key: bytes): + utils._check_byteslike("key", key) + if len(key) not in (32, 48, 64): + raise ValueError("AESSIV key must be 256, 384, or 512 bits.") + + self._key = key + + if not backend.aead_cipher_supported(self): + raise exceptions.UnsupportedAlgorithm( + "AES-SIV is not supported by this version of OpenSSL", + exceptions._Reasons.UNSUPPORTED_CIPHER, + ) + + @classmethod + def generate_key(cls, bit_length: int) -> bytes: + if not isinstance(bit_length, int): + raise TypeError("bit_length must be an integer") + + if bit_length not in (256, 384, 512): + raise ValueError("bit_length must be 256, 384, or 512") + + return os.urandom(bit_length // 8) + + def encrypt( + self, + data: bytes, + associated_data: typing.Optional[typing.List[bytes]], + ) -> bytes: + if associated_data is None: + associated_data = [] + + self._check_params(data, associated_data) + + if len(data) > self._MAX_SIZE or any( + len(ad) > self._MAX_SIZE for ad in associated_data + ): + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**31 - 1 bytes" + ) + + return aead._encrypt(backend, self, b"", data, associated_data, 16) + + def decrypt( + self, + data: bytes, + associated_data: typing.Optional[typing.List[bytes]], + ) -> bytes: + if associated_data is None: + associated_data = [] + + self._check_params(data, associated_data) + + return aead._decrypt(backend, self, b"", data, associated_data, 16) + + def _check_params( + self, + data: bytes, + associated_data: typing.List[bytes], + ) -> None: + utils._check_byteslike("data", data) + if len(data) == 0: + raise ValueError("data must not be zero length") + + if not isinstance(associated_data, list): + raise TypeError( + "associated_data must be a list of bytes-like objects or None" + ) + for x in associated_data: + utils._check_byteslike("associated_data elements", x) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/algorithms.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/algorithms.py new file mode 100644 index 0000000..4bfc5d8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/algorithms.py @@ -0,0 +1,228 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography import utils +from cryptography.hazmat.primitives.ciphers import ( + BlockCipherAlgorithm, + CipherAlgorithm, +) + + +def _verify_key_size(algorithm: CipherAlgorithm, key: bytes) -> bytes: + # Verify that the key is instance of bytes + utils._check_byteslike("key", key) + + # Verify that the key size matches the expected key size + if len(key) * 8 not in algorithm.key_sizes: + raise ValueError( + "Invalid key size ({}) for {}.".format( + len(key) * 8, algorithm.name + ) + ) + return key + + +class AES(BlockCipherAlgorithm): + name = "AES" + block_size = 128 + # 512 added to support AES-256-XTS, which uses 512-bit keys + key_sizes = frozenset([128, 192, 256, 512]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class AES128(BlockCipherAlgorithm): + name = "AES" + block_size = 128 + key_sizes = frozenset([128]) + key_size = 128 + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + +class AES256(BlockCipherAlgorithm): + name = "AES" + block_size = 128 + key_sizes = frozenset([256]) + key_size = 256 + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + +class Camellia(BlockCipherAlgorithm): + name = "camellia" + block_size = 128 + key_sizes = frozenset([128, 192, 256]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class TripleDES(BlockCipherAlgorithm): + name = "3DES" + block_size = 64 + key_sizes = frozenset([64, 128, 192]) + + def __init__(self, key: bytes): + if len(key) == 8: + key += key + key + elif len(key) == 16: + key += key[:8] + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class Blowfish(BlockCipherAlgorithm): + name = "Blowfish" + block_size = 64 + key_sizes = frozenset(range(32, 449, 8)) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +_BlowfishInternal = Blowfish +utils.deprecated( + Blowfish, + __name__, + "Blowfish has been deprecated", + utils.DeprecatedIn37, + name="Blowfish", +) + + +class CAST5(BlockCipherAlgorithm): + name = "CAST5" + block_size = 64 + key_sizes = frozenset(range(40, 129, 8)) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +_CAST5Internal = CAST5 +utils.deprecated( + CAST5, + __name__, + "CAST5 has been deprecated", + utils.DeprecatedIn37, + name="CAST5", +) + + +class ARC4(CipherAlgorithm): + name = "RC4" + key_sizes = frozenset([40, 56, 64, 80, 128, 160, 192, 256]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class IDEA(BlockCipherAlgorithm): + name = "IDEA" + block_size = 64 + key_sizes = frozenset([128]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +_IDEAInternal = IDEA +utils.deprecated( + IDEA, + __name__, + "IDEA has been deprecated", + utils.DeprecatedIn37, + name="IDEA", +) + + +class SEED(BlockCipherAlgorithm): + name = "SEED" + block_size = 128 + key_sizes = frozenset([128]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +_SEEDInternal = SEED +utils.deprecated( + SEED, + __name__, + "SEED has been deprecated", + utils.DeprecatedIn37, + name="SEED", +) + + +class ChaCha20(CipherAlgorithm): + name = "ChaCha20" + key_sizes = frozenset([256]) + + def __init__(self, key: bytes, nonce: bytes): + self.key = _verify_key_size(self, key) + utils._check_byteslike("nonce", nonce) + + if len(nonce) != 16: + raise ValueError("nonce must be 128-bits (16 bytes)") + + self._nonce = nonce + + @property + def nonce(self) -> bytes: + return self._nonce + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class SM4(BlockCipherAlgorithm): + name = "SM4" + block_size = 128 + key_sizes = frozenset([128]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/base.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/base.py new file mode 100644 index 0000000..38a2ebb --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/base.py @@ -0,0 +1,269 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography.exceptions import ( + AlreadyFinalized, + AlreadyUpdated, + NotYetFinalized, +) +from cryptography.hazmat.primitives._cipheralgorithm import CipherAlgorithm +from cryptography.hazmat.primitives.ciphers import modes + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.ciphers import ( + _CipherContext as _BackendCipherContext, + ) + + +class CipherContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def update(self, data: bytes) -> bytes: + """ + Processes the provided bytes through the cipher and returns the results + as bytes. + """ + + @abc.abstractmethod + def update_into(self, data: bytes, buf: bytes) -> int: + """ + Processes the provided bytes and writes the resulting data into the + provided buffer. Returns the number of bytes written. + """ + + @abc.abstractmethod + def finalize(self) -> bytes: + """ + Returns the results of processing the final block as bytes. + """ + + +class AEADCipherContext(CipherContext, metaclass=abc.ABCMeta): + @abc.abstractmethod + def authenticate_additional_data(self, data: bytes) -> None: + """ + Authenticates the provided bytes. + """ + + +class AEADDecryptionContext(AEADCipherContext, metaclass=abc.ABCMeta): + @abc.abstractmethod + def finalize_with_tag(self, tag: bytes) -> bytes: + """ + Returns the results of processing the final block as bytes and allows + delayed passing of the authentication tag. + """ + + +class AEADEncryptionContext(AEADCipherContext, metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def tag(self) -> bytes: + """ + Returns tag bytes. This is only available after encryption is + finalized. + """ + + +Mode = typing.TypeVar( + "Mode", bound=typing.Optional[modes.Mode], covariant=True +) + + +class Cipher(typing.Generic[Mode]): + def __init__( + self, + algorithm: CipherAlgorithm, + mode: Mode, + backend: typing.Any = None, + ) -> None: + if not isinstance(algorithm, CipherAlgorithm): + raise TypeError("Expected interface of CipherAlgorithm.") + + if mode is not None: + # mypy needs this assert to narrow the type from our generic + # type. Maybe it won't some time in the future. + assert isinstance(mode, modes.Mode) + mode.validate_for_algorithm(algorithm) + + self.algorithm = algorithm + self.mode = mode + + @typing.overload + def encryptor( + self: Cipher[modes.ModeWithAuthenticationTag], + ) -> AEADEncryptionContext: + ... + + @typing.overload + def encryptor( + self: _CIPHER_TYPE, + ) -> CipherContext: + ... + + def encryptor(self): + if isinstance(self.mode, modes.ModeWithAuthenticationTag): + if self.mode.tag is not None: + raise ValueError( + "Authentication tag must be None when encrypting." + ) + from cryptography.hazmat.backends.openssl.backend import backend + + ctx = backend.create_symmetric_encryption_ctx( + self.algorithm, self.mode + ) + return self._wrap_ctx(ctx, encrypt=True) + + @typing.overload + def decryptor( + self: Cipher[modes.ModeWithAuthenticationTag], + ) -> AEADDecryptionContext: + ... + + @typing.overload + def decryptor( + self: _CIPHER_TYPE, + ) -> CipherContext: + ... + + def decryptor(self): + from cryptography.hazmat.backends.openssl.backend import backend + + ctx = backend.create_symmetric_decryption_ctx( + self.algorithm, self.mode + ) + return self._wrap_ctx(ctx, encrypt=False) + + def _wrap_ctx( + self, ctx: _BackendCipherContext, encrypt: bool + ) -> typing.Union[ + AEADEncryptionContext, AEADDecryptionContext, CipherContext + ]: + if isinstance(self.mode, modes.ModeWithAuthenticationTag): + if encrypt: + return _AEADEncryptionContext(ctx) + else: + return _AEADDecryptionContext(ctx) + else: + return _CipherContext(ctx) + + +_CIPHER_TYPE = Cipher[ + typing.Union[ + modes.ModeWithNonce, + modes.ModeWithTweak, + None, + modes.ECB, + modes.ModeWithInitializationVector, + ] +] + + +class _CipherContext(CipherContext): + _ctx: typing.Optional[_BackendCipherContext] + + def __init__(self, ctx: _BackendCipherContext) -> None: + self._ctx = ctx + + def update(self, data: bytes) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return self._ctx.update(data) + + def update_into(self, data: bytes, buf: bytes) -> int: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return self._ctx.update_into(data, buf) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + data = self._ctx.finalize() + self._ctx = None + return data + + +class _AEADCipherContext(AEADCipherContext): + _ctx: typing.Optional[_BackendCipherContext] + _tag: typing.Optional[bytes] + + def __init__(self, ctx: _BackendCipherContext) -> None: + self._ctx = ctx + self._bytes_processed = 0 + self._aad_bytes_processed = 0 + self._tag = None + self._updated = False + + def _check_limit(self, data_size: int) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + self._updated = True + self._bytes_processed += data_size + if self._bytes_processed > self._ctx._mode._MAX_ENCRYPTED_BYTES: + raise ValueError( + "{} has a maximum encrypted byte limit of {}".format( + self._ctx._mode.name, self._ctx._mode._MAX_ENCRYPTED_BYTES + ) + ) + + def update(self, data: bytes) -> bytes: + self._check_limit(len(data)) + # mypy needs this assert even though _check_limit already checked + assert self._ctx is not None + return self._ctx.update(data) + + def update_into(self, data: bytes, buf: bytes) -> int: + self._check_limit(len(data)) + # mypy needs this assert even though _check_limit already checked + assert self._ctx is not None + return self._ctx.update_into(data, buf) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + data = self._ctx.finalize() + self._tag = self._ctx.tag + self._ctx = None + return data + + def authenticate_additional_data(self, data: bytes) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + if self._updated: + raise AlreadyUpdated("Update has been called on this context.") + + self._aad_bytes_processed += len(data) + if self._aad_bytes_processed > self._ctx._mode._MAX_AAD_BYTES: + raise ValueError( + "{} has a maximum AAD byte limit of {}".format( + self._ctx._mode.name, self._ctx._mode._MAX_AAD_BYTES + ) + ) + + self._ctx.authenticate_additional_data(data) + + +class _AEADDecryptionContext(_AEADCipherContext, AEADDecryptionContext): + def finalize_with_tag(self, tag: bytes) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + data = self._ctx.finalize_with_tag(tag) + self._tag = self._ctx.tag + self._ctx = None + return data + + +class _AEADEncryptionContext(_AEADCipherContext, AEADEncryptionContext): + @property + def tag(self) -> bytes: + if self._ctx is not None: + raise NotYetFinalized( + "You must finalize encryption before " "getting the tag." + ) + assert self._tag is not None + return self._tag diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/modes.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/modes.py new file mode 100644 index 0000000..d8ea188 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/ciphers/modes.py @@ -0,0 +1,274 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography import utils +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives._cipheralgorithm import ( + BlockCipherAlgorithm, + CipherAlgorithm, +) +from cryptography.hazmat.primitives.ciphers import algorithms + + +class Mode(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def name(self) -> str: + """ + A string naming this mode (e.g. "ECB", "CBC"). + """ + + @abc.abstractmethod + def validate_for_algorithm(self, algorithm: CipherAlgorithm) -> None: + """ + Checks that all the necessary invariants of this (mode, algorithm) + combination are met. + """ + + +class ModeWithInitializationVector(Mode, metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def initialization_vector(self) -> bytes: + """ + The value of the initialization vector for this mode as bytes. + """ + + +class ModeWithTweak(Mode, metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def tweak(self) -> bytes: + """ + The value of the tweak for this mode as bytes. + """ + + +class ModeWithNonce(Mode, metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def nonce(self) -> bytes: + """ + The value of the nonce for this mode as bytes. + """ + + +class ModeWithAuthenticationTag(Mode, metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def tag(self) -> typing.Optional[bytes]: + """ + The value of the tag supplied to the constructor of this mode. + """ + + +def _check_aes_key_length(self: Mode, algorithm: CipherAlgorithm) -> None: + if algorithm.key_size > 256 and algorithm.name == "AES": + raise ValueError( + "Only 128, 192, and 256 bit keys are allowed for this AES mode" + ) + + +def _check_iv_length( + self: ModeWithInitializationVector, algorithm: BlockCipherAlgorithm +) -> None: + if len(self.initialization_vector) * 8 != algorithm.block_size: + raise ValueError( + "Invalid IV size ({}) for {}.".format( + len(self.initialization_vector), self.name + ) + ) + + +def _check_nonce_length( + nonce: bytes, name: str, algorithm: CipherAlgorithm +) -> None: + if not isinstance(algorithm, BlockCipherAlgorithm): + raise UnsupportedAlgorithm( + f"{name} requires a block cipher algorithm", + _Reasons.UNSUPPORTED_CIPHER, + ) + if len(nonce) * 8 != algorithm.block_size: + raise ValueError(f"Invalid nonce size ({len(nonce)}) for {name}.") + + +def _check_iv_and_key_length( + self: ModeWithInitializationVector, algorithm: CipherAlgorithm +) -> None: + if not isinstance(algorithm, BlockCipherAlgorithm): + raise UnsupportedAlgorithm( + f"{self} requires a block cipher algorithm", + _Reasons.UNSUPPORTED_CIPHER, + ) + _check_aes_key_length(self, algorithm) + _check_iv_length(self, algorithm) + + +class CBC(ModeWithInitializationVector): + name = "CBC" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + @property + def initialization_vector(self) -> bytes: + return self._initialization_vector + + validate_for_algorithm = _check_iv_and_key_length + + +class XTS(ModeWithTweak): + name = "XTS" + + def __init__(self, tweak: bytes): + utils._check_byteslike("tweak", tweak) + + if len(tweak) != 16: + raise ValueError("tweak must be 128-bits (16 bytes)") + + self._tweak = tweak + + @property + def tweak(self) -> bytes: + return self._tweak + + def validate_for_algorithm(self, algorithm: CipherAlgorithm) -> None: + if isinstance(algorithm, (algorithms.AES128, algorithms.AES256)): + raise TypeError( + "The AES128 and AES256 classes do not support XTS, please use " + "the standard AES class instead." + ) + + if algorithm.key_size not in (256, 512): + raise ValueError( + "The XTS specification requires a 256-bit key for AES-128-XTS" + " and 512-bit key for AES-256-XTS" + ) + + +class ECB(Mode): + name = "ECB" + + validate_for_algorithm = _check_aes_key_length + + +class OFB(ModeWithInitializationVector): + name = "OFB" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + @property + def initialization_vector(self) -> bytes: + return self._initialization_vector + + validate_for_algorithm = _check_iv_and_key_length + + +class CFB(ModeWithInitializationVector): + name = "CFB" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + @property + def initialization_vector(self) -> bytes: + return self._initialization_vector + + validate_for_algorithm = _check_iv_and_key_length + + +class CFB8(ModeWithInitializationVector): + name = "CFB8" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + @property + def initialization_vector(self) -> bytes: + return self._initialization_vector + + validate_for_algorithm = _check_iv_and_key_length + + +class CTR(ModeWithNonce): + name = "CTR" + + def __init__(self, nonce: bytes): + utils._check_byteslike("nonce", nonce) + self._nonce = nonce + + @property + def nonce(self) -> bytes: + return self._nonce + + def validate_for_algorithm(self, algorithm: CipherAlgorithm) -> None: + _check_aes_key_length(self, algorithm) + _check_nonce_length(self.nonce, self.name, algorithm) + + +class GCM(ModeWithInitializationVector, ModeWithAuthenticationTag): + name = "GCM" + _MAX_ENCRYPTED_BYTES = (2**39 - 256) // 8 + _MAX_AAD_BYTES = (2**64) // 8 + + def __init__( + self, + initialization_vector: bytes, + tag: typing.Optional[bytes] = None, + min_tag_length: int = 16, + ): + # OpenSSL 3.0.0 constrains GCM IVs to [64, 1024] bits inclusive + # This is a sane limit anyway so we'll enforce it here. + utils._check_byteslike("initialization_vector", initialization_vector) + if len(initialization_vector) < 8 or len(initialization_vector) > 128: + raise ValueError( + "initialization_vector must be between 8 and 128 bytes (64 " + "and 1024 bits)." + ) + self._initialization_vector = initialization_vector + if tag is not None: + utils._check_bytes("tag", tag) + if min_tag_length < 4: + raise ValueError("min_tag_length must be >= 4") + if len(tag) < min_tag_length: + raise ValueError( + "Authentication tag must be {} bytes or longer.".format( + min_tag_length + ) + ) + self._tag = tag + self._min_tag_length = min_tag_length + + @property + def tag(self) -> typing.Optional[bytes]: + return self._tag + + @property + def initialization_vector(self) -> bytes: + return self._initialization_vector + + def validate_for_algorithm(self, algorithm: CipherAlgorithm) -> None: + _check_aes_key_length(self, algorithm) + if not isinstance(algorithm, BlockCipherAlgorithm): + raise UnsupportedAlgorithm( + "GCM requires a block cipher algorithm", + _Reasons.UNSUPPORTED_CIPHER, + ) + block_size_bytes = algorithm.block_size // 8 + if self._tag is not None and len(self._tag) > block_size_bytes: + raise ValueError( + "Authentication tag cannot be more than {} bytes.".format( + block_size_bytes + ) + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/cmac.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/cmac.py new file mode 100644 index 0000000..8aa1d79 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/cmac.py @@ -0,0 +1,65 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import utils +from cryptography.exceptions import AlreadyFinalized +from cryptography.hazmat.primitives import ciphers + +if typing.TYPE_CHECKING: + from cryptography.hazmat.backends.openssl.cmac import _CMACContext + + +class CMAC: + _ctx: typing.Optional[_CMACContext] + _algorithm: ciphers.BlockCipherAlgorithm + + def __init__( + self, + algorithm: ciphers.BlockCipherAlgorithm, + backend: typing.Any = None, + ctx: typing.Optional[_CMACContext] = None, + ) -> None: + if not isinstance(algorithm, ciphers.BlockCipherAlgorithm): + raise TypeError("Expected instance of BlockCipherAlgorithm.") + self._algorithm = algorithm + + if ctx is None: + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + self._ctx = ossl.create_cmac_ctx(self._algorithm) + else: + self._ctx = ctx + + def update(self, data: bytes) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + + utils._check_bytes("data", data) + self._ctx.update(data) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + digest = self._ctx.finalize() + self._ctx = None + return digest + + def verify(self, signature: bytes) -> None: + utils._check_bytes("signature", signature) + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + + ctx, self._ctx = self._ctx, None + ctx.verify(signature) + + def copy(self) -> CMAC: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return CMAC(self._algorithm, ctx=self._ctx.copy()) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/constant_time.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/constant_time.py new file mode 100644 index 0000000..3975c71 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/constant_time.py @@ -0,0 +1,14 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import hmac + + +def bytes_eq(a: bytes, b: bytes) -> bool: + if not isinstance(a, bytes) or not isinstance(b, bytes): + raise TypeError("a and b must be bytes.") + + return hmac.compare_digest(a, b) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/hashes.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/hashes.py new file mode 100644 index 0000000..b6a7ff1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/hashes.py @@ -0,0 +1,243 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography.hazmat.bindings._rust import openssl as rust_openssl + +__all__ = [ + "HashAlgorithm", + "HashContext", + "Hash", + "ExtendableOutputFunction", + "SHA1", + "SHA512_224", + "SHA512_256", + "SHA224", + "SHA256", + "SHA384", + "SHA512", + "SHA3_224", + "SHA3_256", + "SHA3_384", + "SHA3_512", + "SHAKE128", + "SHAKE256", + "MD5", + "BLAKE2b", + "BLAKE2s", + "SM3", +] + + +class HashAlgorithm(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def name(self) -> str: + """ + A string naming this algorithm (e.g. "sha256", "md5"). + """ + + @property + @abc.abstractmethod + def digest_size(self) -> int: + """ + The size of the resulting digest in bytes. + """ + + @property + @abc.abstractmethod + def block_size(self) -> typing.Optional[int]: + """ + The internal block size of the hash function, or None if the hash + function does not use blocks internally (e.g. SHA3). + """ + + +class HashContext(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def algorithm(self) -> HashAlgorithm: + """ + A HashAlgorithm that will be used by this context. + """ + + @abc.abstractmethod + def update(self, data: bytes) -> None: + """ + Processes the provided bytes through the hash. + """ + + @abc.abstractmethod + def finalize(self) -> bytes: + """ + Finalizes the hash context and returns the hash digest as bytes. + """ + + @abc.abstractmethod + def copy(self) -> HashContext: + """ + Return a HashContext that is a copy of the current context. + """ + + +Hash = rust_openssl.hashes.Hash +HashContext.register(Hash) + + +class ExtendableOutputFunction(metaclass=abc.ABCMeta): + """ + An interface for extendable output functions. + """ + + +class SHA1(HashAlgorithm): + name = "sha1" + digest_size = 20 + block_size = 64 + + +class SHA512_224(HashAlgorithm): # noqa: N801 + name = "sha512-224" + digest_size = 28 + block_size = 128 + + +class SHA512_256(HashAlgorithm): # noqa: N801 + name = "sha512-256" + digest_size = 32 + block_size = 128 + + +class SHA224(HashAlgorithm): + name = "sha224" + digest_size = 28 + block_size = 64 + + +class SHA256(HashAlgorithm): + name = "sha256" + digest_size = 32 + block_size = 64 + + +class SHA384(HashAlgorithm): + name = "sha384" + digest_size = 48 + block_size = 128 + + +class SHA512(HashAlgorithm): + name = "sha512" + digest_size = 64 + block_size = 128 + + +class SHA3_224(HashAlgorithm): # noqa: N801 + name = "sha3-224" + digest_size = 28 + block_size = None + + +class SHA3_256(HashAlgorithm): # noqa: N801 + name = "sha3-256" + digest_size = 32 + block_size = None + + +class SHA3_384(HashAlgorithm): # noqa: N801 + name = "sha3-384" + digest_size = 48 + block_size = None + + +class SHA3_512(HashAlgorithm): # noqa: N801 + name = "sha3-512" + digest_size = 64 + block_size = None + + +class SHAKE128(HashAlgorithm, ExtendableOutputFunction): + name = "shake128" + block_size = None + + def __init__(self, digest_size: int): + if not isinstance(digest_size, int): + raise TypeError("digest_size must be an integer") + + if digest_size < 1: + raise ValueError("digest_size must be a positive integer") + + self._digest_size = digest_size + + @property + def digest_size(self) -> int: + return self._digest_size + + +class SHAKE256(HashAlgorithm, ExtendableOutputFunction): + name = "shake256" + block_size = None + + def __init__(self, digest_size: int): + if not isinstance(digest_size, int): + raise TypeError("digest_size must be an integer") + + if digest_size < 1: + raise ValueError("digest_size must be a positive integer") + + self._digest_size = digest_size + + @property + def digest_size(self) -> int: + return self._digest_size + + +class MD5(HashAlgorithm): + name = "md5" + digest_size = 16 + block_size = 64 + + +class BLAKE2b(HashAlgorithm): + name = "blake2b" + _max_digest_size = 64 + _min_digest_size = 1 + block_size = 128 + + def __init__(self, digest_size: int): + if digest_size != 64: + raise ValueError("Digest size must be 64") + + self._digest_size = digest_size + + @property + def digest_size(self) -> int: + return self._digest_size + + +class BLAKE2s(HashAlgorithm): + name = "blake2s" + block_size = 64 + _max_digest_size = 32 + _min_digest_size = 1 + + def __init__(self, digest_size: int): + if digest_size != 32: + raise ValueError("Digest size must be 32") + + self._digest_size = digest_size + + @property + def digest_size(self) -> int: + return self._digest_size + + +class SM3(HashAlgorithm): + name = "sm3" + digest_size = 32 + block_size = 64 diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/hmac.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/hmac.py new file mode 100644 index 0000000..a9442d5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/hmac.py @@ -0,0 +1,13 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import hashes + +__all__ = ["HMAC"] + +HMAC = rust_openssl.hmac.HMAC +hashes.HashContext.register(HMAC) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__init__.py new file mode 100644 index 0000000..79bb459 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__init__.py @@ -0,0 +1,23 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc + + +class KeyDerivationFunction(metaclass=abc.ABCMeta): + @abc.abstractmethod + def derive(self, key_material: bytes) -> bytes: + """ + Deterministically generates and returns a new key based on the existing + key material. + """ + + @abc.abstractmethod + def verify(self, key_material: bytes, expected_key: bytes) -> None: + """ + Checks whether the key generated by the key material matches the + expected derived key. Raises an exception if they do not match. + """ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..268c5ba Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/concatkdf.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/concatkdf.cpython-312.pyc new file mode 100644 index 0000000..fa90ea3 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/concatkdf.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/hkdf.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/hkdf.cpython-312.pyc new file mode 100644 index 0000000..4632371 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/hkdf.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/kbkdf.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/kbkdf.cpython-312.pyc new file mode 100644 index 0000000..f218b14 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/kbkdf.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/pbkdf2.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/pbkdf2.cpython-312.pyc new file mode 100644 index 0000000..db2d3eb Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/pbkdf2.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/scrypt.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/scrypt.cpython-312.pyc new file mode 100644 index 0000000..b82e8d0 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/scrypt.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/x963kdf.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/x963kdf.cpython-312.pyc new file mode 100644 index 0000000..2b56384 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__pycache__/x963kdf.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/concatkdf.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/concatkdf.py new file mode 100644 index 0000000..d5ea58a --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/concatkdf.py @@ -0,0 +1,124 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import utils +from cryptography.exceptions import AlreadyFinalized, InvalidKey +from cryptography.hazmat.primitives import constant_time, hashes, hmac +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +def _int_to_u32be(n: int) -> bytes: + return n.to_bytes(length=4, byteorder="big") + + +def _common_args_checks( + algorithm: hashes.HashAlgorithm, + length: int, + otherinfo: typing.Optional[bytes], +) -> None: + max_length = algorithm.digest_size * (2**32 - 1) + if length > max_length: + raise ValueError(f"Cannot derive keys larger than {max_length} bits.") + if otherinfo is not None: + utils._check_bytes("otherinfo", otherinfo) + + +def _concatkdf_derive( + key_material: bytes, + length: int, + auxfn: typing.Callable[[], hashes.HashContext], + otherinfo: bytes, +) -> bytes: + utils._check_byteslike("key_material", key_material) + output = [b""] + outlen = 0 + counter = 1 + + while length > outlen: + h = auxfn() + h.update(_int_to_u32be(counter)) + h.update(key_material) + h.update(otherinfo) + output.append(h.finalize()) + outlen += len(output[-1]) + counter += 1 + + return b"".join(output)[:length] + + +class ConcatKDFHash(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + otherinfo: typing.Optional[bytes], + backend: typing.Any = None, + ): + _common_args_checks(algorithm, length, otherinfo) + self._algorithm = algorithm + self._length = length + self._otherinfo: bytes = otherinfo if otherinfo is not None else b"" + + self._used = False + + def _hash(self) -> hashes.Hash: + return hashes.Hash(self._algorithm) + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized + self._used = True + return _concatkdf_derive( + key_material, self._length, self._hash, self._otherinfo + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey + + +class ConcatKDFHMAC(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + salt: typing.Optional[bytes], + otherinfo: typing.Optional[bytes], + backend: typing.Any = None, + ): + _common_args_checks(algorithm, length, otherinfo) + self._algorithm = algorithm + self._length = length + self._otherinfo: bytes = otherinfo if otherinfo is not None else b"" + + if algorithm.block_size is None: + raise TypeError(f"{algorithm.name} is unsupported for ConcatKDF") + + if salt is None: + salt = b"\x00" * algorithm.block_size + else: + utils._check_bytes("salt", salt) + + self._salt = salt + + self._used = False + + def _hmac(self) -> hmac.HMAC: + return hmac.HMAC(self._salt, self._algorithm) + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized + self._used = True + return _concatkdf_derive( + key_material, self._length, self._hmac, self._otherinfo + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/hkdf.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/hkdf.py new file mode 100644 index 0000000..d476894 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/hkdf.py @@ -0,0 +1,101 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import utils +from cryptography.exceptions import AlreadyFinalized, InvalidKey +from cryptography.hazmat.primitives import constant_time, hashes, hmac +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +class HKDF(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + salt: typing.Optional[bytes], + info: typing.Optional[bytes], + backend: typing.Any = None, + ): + self._algorithm = algorithm + + if salt is None: + salt = b"\x00" * self._algorithm.digest_size + else: + utils._check_bytes("salt", salt) + + self._salt = salt + + self._hkdf_expand = HKDFExpand(self._algorithm, length, info) + + def _extract(self, key_material: bytes) -> bytes: + h = hmac.HMAC(self._salt, self._algorithm) + h.update(key_material) + return h.finalize() + + def derive(self, key_material: bytes) -> bytes: + utils._check_byteslike("key_material", key_material) + return self._hkdf_expand.derive(self._extract(key_material)) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey + + +class HKDFExpand(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + info: typing.Optional[bytes], + backend: typing.Any = None, + ): + self._algorithm = algorithm + + max_length = 255 * algorithm.digest_size + + if length > max_length: + raise ValueError( + f"Cannot derive keys larger than {max_length} octets." + ) + + self._length = length + + if info is None: + info = b"" + else: + utils._check_bytes("info", info) + + self._info = info + + self._used = False + + def _expand(self, key_material: bytes) -> bytes: + output = [b""] + counter = 1 + + while self._algorithm.digest_size * (len(output) - 1) < self._length: + h = hmac.HMAC(key_material, self._algorithm) + h.update(output[-1]) + h.update(self._info) + h.update(bytes([counter])) + output.append(h.finalize()) + counter += 1 + + return b"".join(output)[: self._length] + + def derive(self, key_material: bytes) -> bytes: + utils._check_byteslike("key_material", key_material) + if self._used: + raise AlreadyFinalized + + self._used = True + return self._expand(key_material) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/kbkdf.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/kbkdf.py new file mode 100644 index 0000000..9677638 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/kbkdf.py @@ -0,0 +1,299 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.primitives import ( + ciphers, + cmac, + constant_time, + hashes, + hmac, +) +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +class Mode(utils.Enum): + CounterMode = "ctr" + + +class CounterLocation(utils.Enum): + BeforeFixed = "before_fixed" + AfterFixed = "after_fixed" + MiddleFixed = "middle_fixed" + + +class _KBKDFDeriver: + def __init__( + self, + prf: typing.Callable, + mode: Mode, + length: int, + rlen: int, + llen: typing.Optional[int], + location: CounterLocation, + break_location: typing.Optional[int], + label: typing.Optional[bytes], + context: typing.Optional[bytes], + fixed: typing.Optional[bytes], + ): + assert callable(prf) + + if not isinstance(mode, Mode): + raise TypeError("mode must be of type Mode") + + if not isinstance(location, CounterLocation): + raise TypeError("location must be of type CounterLocation") + + if break_location is None and location is CounterLocation.MiddleFixed: + raise ValueError("Please specify a break_location") + + if ( + break_location is not None + and location != CounterLocation.MiddleFixed + ): + raise ValueError( + "break_location is ignored when location is not" + " CounterLocation.MiddleFixed" + ) + + if break_location is not None and not isinstance(break_location, int): + raise TypeError("break_location must be an integer") + + if break_location is not None and break_location < 0: + raise ValueError("break_location must be a positive integer") + + if (label or context) and fixed: + raise ValueError( + "When supplying fixed data, " "label and context are ignored." + ) + + if rlen is None or not self._valid_byte_length(rlen): + raise ValueError("rlen must be between 1 and 4") + + if llen is None and fixed is None: + raise ValueError("Please specify an llen") + + if llen is not None and not isinstance(llen, int): + raise TypeError("llen must be an integer") + + if label is None: + label = b"" + + if context is None: + context = b"" + + utils._check_bytes("label", label) + utils._check_bytes("context", context) + self._prf = prf + self._mode = mode + self._length = length + self._rlen = rlen + self._llen = llen + self._location = location + self._break_location = break_location + self._label = label + self._context = context + self._used = False + self._fixed_data = fixed + + @staticmethod + def _valid_byte_length(value: int) -> bool: + if not isinstance(value, int): + raise TypeError("value must be of type int") + + value_bin = utils.int_to_bytes(1, value) + if not 1 <= len(value_bin) <= 4: + return False + return True + + def derive(self, key_material: bytes, prf_output_size: int) -> bytes: + if self._used: + raise AlreadyFinalized + + utils._check_byteslike("key_material", key_material) + self._used = True + + # inverse floor division (equivalent to ceiling) + rounds = -(-self._length // prf_output_size) + + output = [b""] + + # For counter mode, the number of iterations shall not be + # larger than 2^r-1, where r <= 32 is the binary length of the counter + # This ensures that the counter values used as an input to the + # PRF will not repeat during a particular call to the KDF function. + r_bin = utils.int_to_bytes(1, self._rlen) + if rounds > pow(2, len(r_bin) * 8) - 1: + raise ValueError("There are too many iterations.") + + fixed = self._generate_fixed_input() + + if self._location == CounterLocation.BeforeFixed: + data_before_ctr = b"" + data_after_ctr = fixed + elif self._location == CounterLocation.AfterFixed: + data_before_ctr = fixed + data_after_ctr = b"" + else: + if isinstance( + self._break_location, int + ) and self._break_location > len(fixed): + raise ValueError("break_location offset > len(fixed)") + data_before_ctr = fixed[: self._break_location] + data_after_ctr = fixed[self._break_location :] + + for i in range(1, rounds + 1): + h = self._prf(key_material) + + counter = utils.int_to_bytes(i, self._rlen) + input_data = data_before_ctr + counter + data_after_ctr + + h.update(input_data) + + output.append(h.finalize()) + + return b"".join(output)[: self._length] + + def _generate_fixed_input(self) -> bytes: + if self._fixed_data and isinstance(self._fixed_data, bytes): + return self._fixed_data + + l_val = utils.int_to_bytes(self._length * 8, self._llen) + + return b"".join([self._label, b"\x00", self._context, l_val]) + + +class KBKDFHMAC(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + mode: Mode, + length: int, + rlen: int, + llen: typing.Optional[int], + location: CounterLocation, + label: typing.Optional[bytes], + context: typing.Optional[bytes], + fixed: typing.Optional[bytes], + backend: typing.Any = None, + *, + break_location: typing.Optional[int] = None, + ): + if not isinstance(algorithm, hashes.HashAlgorithm): + raise UnsupportedAlgorithm( + "Algorithm supplied is not a supported hash algorithm.", + _Reasons.UNSUPPORTED_HASH, + ) + + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + if not ossl.hmac_supported(algorithm): + raise UnsupportedAlgorithm( + "Algorithm supplied is not a supported hmac algorithm.", + _Reasons.UNSUPPORTED_HASH, + ) + + self._algorithm = algorithm + + self._deriver = _KBKDFDeriver( + self._prf, + mode, + length, + rlen, + llen, + location, + break_location, + label, + context, + fixed, + ) + + def _prf(self, key_material: bytes) -> hmac.HMAC: + return hmac.HMAC(key_material, self._algorithm) + + def derive(self, key_material: bytes) -> bytes: + return self._deriver.derive(key_material, self._algorithm.digest_size) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey + + +class KBKDFCMAC(KeyDerivationFunction): + def __init__( + self, + algorithm, + mode: Mode, + length: int, + rlen: int, + llen: typing.Optional[int], + location: CounterLocation, + label: typing.Optional[bytes], + context: typing.Optional[bytes], + fixed: typing.Optional[bytes], + backend: typing.Any = None, + *, + break_location: typing.Optional[int] = None, + ): + if not issubclass( + algorithm, ciphers.BlockCipherAlgorithm + ) or not issubclass(algorithm, ciphers.CipherAlgorithm): + raise UnsupportedAlgorithm( + "Algorithm supplied is not a supported cipher algorithm.", + _Reasons.UNSUPPORTED_CIPHER, + ) + + self._algorithm = algorithm + self._cipher: typing.Optional[ciphers.BlockCipherAlgorithm] = None + + self._deriver = _KBKDFDeriver( + self._prf, + mode, + length, + rlen, + llen, + location, + break_location, + label, + context, + fixed, + ) + + def _prf(self, _: bytes) -> cmac.CMAC: + assert self._cipher is not None + + return cmac.CMAC(self._cipher) + + def derive(self, key_material: bytes) -> bytes: + self._cipher = self._algorithm(key_material) + + assert self._cipher is not None + + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + if not ossl.cmac_algorithm_supported(self._cipher): + raise UnsupportedAlgorithm( + "Algorithm supplied is not a supported cipher algorithm.", + _Reasons.UNSUPPORTED_CIPHER, + ) + + return self._deriver.derive(key_material, self._cipher.block_size // 8) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/pbkdf2.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/pbkdf2.py new file mode 100644 index 0000000..623e1ca --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/pbkdf2.py @@ -0,0 +1,64 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import constant_time, hashes +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +class PBKDF2HMAC(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + salt: bytes, + iterations: int, + backend: typing.Any = None, + ): + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + if not ossl.pbkdf2_hmac_supported(algorithm): + raise UnsupportedAlgorithm( + "{} is not supported for PBKDF2 by this backend.".format( + algorithm.name + ), + _Reasons.UNSUPPORTED_HASH, + ) + self._used = False + self._algorithm = algorithm + self._length = length + utils._check_bytes("salt", salt) + self._salt = salt + self._iterations = iterations + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized("PBKDF2 instances can only be used once.") + self._used = True + + return rust_openssl.kdf.derive_pbkdf2_hmac( + key_material, + self._algorithm, + self._salt, + self._iterations, + self._length, + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + derived_key = self.derive(key_material) + if not constant_time.bytes_eq(derived_key, expected_key): + raise InvalidKey("Keys do not match.") diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/scrypt.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/scrypt.py new file mode 100644 index 0000000..05a4f67 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/scrypt.py @@ -0,0 +1,80 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import sys +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, +) +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import constant_time +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + +# This is used by the scrypt tests to skip tests that require more memory +# than the MEM_LIMIT +_MEM_LIMIT = sys.maxsize // 2 + + +class Scrypt(KeyDerivationFunction): + def __init__( + self, + salt: bytes, + length: int, + n: int, + r: int, + p: int, + backend: typing.Any = None, + ): + from cryptography.hazmat.backends.openssl.backend import ( + backend as ossl, + ) + + if not ossl.scrypt_supported(): + raise UnsupportedAlgorithm( + "This version of OpenSSL does not support scrypt" + ) + self._length = length + utils._check_bytes("salt", salt) + if n < 2 or (n & (n - 1)) != 0: + raise ValueError("n must be greater than 1 and be a power of 2.") + + if r < 1: + raise ValueError("r must be greater than or equal to 1.") + + if p < 1: + raise ValueError("p must be greater than or equal to 1.") + + self._used = False + self._salt = salt + self._n = n + self._r = r + self._p = p + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized("Scrypt instances can only be used once.") + self._used = True + + utils._check_byteslike("key_material", key_material) + + return rust_openssl.kdf.derive_scrypt( + key_material, + self._salt, + self._n, + self._r, + self._p, + _MEM_LIMIT, + self._length, + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + derived_key = self.derive(key_material) + if not constant_time.bytes_eq(derived_key, expected_key): + raise InvalidKey("Keys do not match.") diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/x963kdf.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/x963kdf.py new file mode 100644 index 0000000..17acc51 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/x963kdf.py @@ -0,0 +1,61 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import utils +from cryptography.exceptions import AlreadyFinalized, InvalidKey +from cryptography.hazmat.primitives import constant_time, hashes +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +def _int_to_u32be(n: int) -> bytes: + return n.to_bytes(length=4, byteorder="big") + + +class X963KDF(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + sharedinfo: typing.Optional[bytes], + backend: typing.Any = None, + ): + max_len = algorithm.digest_size * (2**32 - 1) + if length > max_len: + raise ValueError(f"Cannot derive keys larger than {max_len} bits.") + if sharedinfo is not None: + utils._check_bytes("sharedinfo", sharedinfo) + + self._algorithm = algorithm + self._length = length + self._sharedinfo = sharedinfo + self._used = False + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized + self._used = True + utils._check_byteslike("key_material", key_material) + output = [b""] + outlen = 0 + counter = 1 + + while self._length > outlen: + h = hashes.Hash(self._algorithm) + h.update(key_material) + h.update(_int_to_u32be(counter)) + if self._sharedinfo is not None: + h.update(self._sharedinfo) + output.append(h.finalize()) + outlen += len(output[-1]) + counter += 1 + + return b"".join(output)[: self._length] + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/keywrap.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/keywrap.py new file mode 100644 index 0000000..59b0326 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/keywrap.py @@ -0,0 +1,177 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.hazmat.primitives.ciphers import Cipher +from cryptography.hazmat.primitives.ciphers.algorithms import AES +from cryptography.hazmat.primitives.ciphers.modes import ECB +from cryptography.hazmat.primitives.constant_time import bytes_eq + + +def _wrap_core( + wrapping_key: bytes, + a: bytes, + r: typing.List[bytes], +) -> bytes: + # RFC 3394 Key Wrap - 2.2.1 (index method) + encryptor = Cipher(AES(wrapping_key), ECB()).encryptor() + n = len(r) + for j in range(6): + for i in range(n): + # every encryption operation is a discrete 16 byte chunk (because + # AES has a 128-bit block size) and since we're using ECB it is + # safe to reuse the encryptor for the entire operation + b = encryptor.update(a + r[i]) + a = ( + int.from_bytes(b[:8], byteorder="big") ^ ((n * j) + i + 1) + ).to_bytes(length=8, byteorder="big") + r[i] = b[-8:] + + assert encryptor.finalize() == b"" + + return a + b"".join(r) + + +def aes_key_wrap( + wrapping_key: bytes, + key_to_wrap: bytes, + backend: typing.Any = None, +) -> bytes: + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + if len(key_to_wrap) < 16: + raise ValueError("The key to wrap must be at least 16 bytes") + + if len(key_to_wrap) % 8 != 0: + raise ValueError("The key to wrap must be a multiple of 8 bytes") + + a = b"\xa6\xa6\xa6\xa6\xa6\xa6\xa6\xa6" + r = [key_to_wrap[i : i + 8] for i in range(0, len(key_to_wrap), 8)] + return _wrap_core(wrapping_key, a, r) + + +def _unwrap_core( + wrapping_key: bytes, + a: bytes, + r: typing.List[bytes], +) -> typing.Tuple[bytes, typing.List[bytes]]: + # Implement RFC 3394 Key Unwrap - 2.2.2 (index method) + decryptor = Cipher(AES(wrapping_key), ECB()).decryptor() + n = len(r) + for j in reversed(range(6)): + for i in reversed(range(n)): + atr = ( + int.from_bytes(a, byteorder="big") ^ ((n * j) + i + 1) + ).to_bytes(length=8, byteorder="big") + r[i] + # every decryption operation is a discrete 16 byte chunk so + # it is safe to reuse the decryptor for the entire operation + b = decryptor.update(atr) + a = b[:8] + r[i] = b[-8:] + + assert decryptor.finalize() == b"" + return a, r + + +def aes_key_wrap_with_padding( + wrapping_key: bytes, + key_to_wrap: bytes, + backend: typing.Any = None, +) -> bytes: + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + aiv = b"\xA6\x59\x59\xA6" + len(key_to_wrap).to_bytes( + length=4, byteorder="big" + ) + # pad the key to wrap if necessary + pad = (8 - (len(key_to_wrap) % 8)) % 8 + key_to_wrap = key_to_wrap + b"\x00" * pad + if len(key_to_wrap) == 8: + # RFC 5649 - 4.1 - exactly 8 octets after padding + encryptor = Cipher(AES(wrapping_key), ECB()).encryptor() + b = encryptor.update(aiv + key_to_wrap) + assert encryptor.finalize() == b"" + return b + else: + r = [key_to_wrap[i : i + 8] for i in range(0, len(key_to_wrap), 8)] + return _wrap_core(wrapping_key, aiv, r) + + +def aes_key_unwrap_with_padding( + wrapping_key: bytes, + wrapped_key: bytes, + backend: typing.Any = None, +) -> bytes: + if len(wrapped_key) < 16: + raise InvalidUnwrap("Must be at least 16 bytes") + + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + if len(wrapped_key) == 16: + # RFC 5649 - 4.2 - exactly two 64-bit blocks + decryptor = Cipher(AES(wrapping_key), ECB()).decryptor() + out = decryptor.update(wrapped_key) + assert decryptor.finalize() == b"" + a = out[:8] + data = out[8:] + n = 1 + else: + r = [wrapped_key[i : i + 8] for i in range(0, len(wrapped_key), 8)] + encrypted_aiv = r.pop(0) + n = len(r) + a, r = _unwrap_core(wrapping_key, encrypted_aiv, r) + data = b"".join(r) + + # 1) Check that MSB(32,A) = A65959A6. + # 2) Check that 8*(n-1) < LSB(32,A) <= 8*n. If so, let + # MLI = LSB(32,A). + # 3) Let b = (8*n)-MLI, and then check that the rightmost b octets of + # the output data are zero. + mli = int.from_bytes(a[4:], byteorder="big") + b = (8 * n) - mli + if ( + not bytes_eq(a[:4], b"\xa6\x59\x59\xa6") + or not 8 * (n - 1) < mli <= 8 * n + or (b != 0 and not bytes_eq(data[-b:], b"\x00" * b)) + ): + raise InvalidUnwrap() + + if b == 0: + return data + else: + return data[:-b] + + +def aes_key_unwrap( + wrapping_key: bytes, + wrapped_key: bytes, + backend: typing.Any = None, +) -> bytes: + if len(wrapped_key) < 24: + raise InvalidUnwrap("Must be at least 24 bytes") + + if len(wrapped_key) % 8 != 0: + raise InvalidUnwrap("The wrapped key must be a multiple of 8 bytes") + + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + aiv = b"\xa6\xa6\xa6\xa6\xa6\xa6\xa6\xa6" + r = [wrapped_key[i : i + 8] for i in range(0, len(wrapped_key), 8)] + a = r.pop(0) + a, r = _unwrap_core(wrapping_key, a, r) + if not bytes_eq(a, aiv): + raise InvalidUnwrap() + + return b"".join(r) + + +class InvalidUnwrap(Exception): + pass diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/padding.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/padding.py new file mode 100644 index 0000000..fde3094 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/padding.py @@ -0,0 +1,225 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import typing + +from cryptography import utils +from cryptography.exceptions import AlreadyFinalized +from cryptography.hazmat.bindings._rust import ( + check_ansix923_padding, + check_pkcs7_padding, +) + + +class PaddingContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def update(self, data: bytes) -> bytes: + """ + Pads the provided bytes and returns any available data as bytes. + """ + + @abc.abstractmethod + def finalize(self) -> bytes: + """ + Finalize the padding, returns bytes. + """ + + +def _byte_padding_check(block_size: int) -> None: + if not (0 <= block_size <= 2040): + raise ValueError("block_size must be in range(0, 2041).") + + if block_size % 8 != 0: + raise ValueError("block_size must be a multiple of 8.") + + +def _byte_padding_update( + buffer_: typing.Optional[bytes], data: bytes, block_size: int +) -> typing.Tuple[bytes, bytes]: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + utils._check_byteslike("data", data) + + buffer_ += bytes(data) + + finished_blocks = len(buffer_) // (block_size // 8) + + result = buffer_[: finished_blocks * (block_size // 8)] + buffer_ = buffer_[finished_blocks * (block_size // 8) :] + + return buffer_, result + + +def _byte_padding_pad( + buffer_: typing.Optional[bytes], + block_size: int, + paddingfn: typing.Callable[[int], bytes], +) -> bytes: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + pad_size = block_size // 8 - len(buffer_) + return buffer_ + paddingfn(pad_size) + + +def _byte_unpadding_update( + buffer_: typing.Optional[bytes], data: bytes, block_size: int +) -> typing.Tuple[bytes, bytes]: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + utils._check_byteslike("data", data) + + buffer_ += bytes(data) + + finished_blocks = max(len(buffer_) // (block_size // 8) - 1, 0) + + result = buffer_[: finished_blocks * (block_size // 8)] + buffer_ = buffer_[finished_blocks * (block_size // 8) :] + + return buffer_, result + + +def _byte_unpadding_check( + buffer_: typing.Optional[bytes], + block_size: int, + checkfn: typing.Callable[[bytes], int], +) -> bytes: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + if len(buffer_) != block_size // 8: + raise ValueError("Invalid padding bytes.") + + valid = checkfn(buffer_) + + if not valid: + raise ValueError("Invalid padding bytes.") + + pad_size = buffer_[-1] + return buffer_[:-pad_size] + + +class PKCS7: + def __init__(self, block_size: int): + _byte_padding_check(block_size) + self.block_size = block_size + + def padder(self) -> PaddingContext: + return _PKCS7PaddingContext(self.block_size) + + def unpadder(self) -> PaddingContext: + return _PKCS7UnpaddingContext(self.block_size) + + +class _PKCS7PaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_padding_update( + self._buffer, data, self.block_size + ) + return result + + def _padding(self, size: int) -> bytes: + return bytes([size]) * size + + def finalize(self) -> bytes: + result = _byte_padding_pad( + self._buffer, self.block_size, self._padding + ) + self._buffer = None + return result + + +class _PKCS7UnpaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_unpadding_update( + self._buffer, data, self.block_size + ) + return result + + def finalize(self) -> bytes: + result = _byte_unpadding_check( + self._buffer, self.block_size, check_pkcs7_padding + ) + self._buffer = None + return result + + +class ANSIX923: + def __init__(self, block_size: int): + _byte_padding_check(block_size) + self.block_size = block_size + + def padder(self) -> PaddingContext: + return _ANSIX923PaddingContext(self.block_size) + + def unpadder(self) -> PaddingContext: + return _ANSIX923UnpaddingContext(self.block_size) + + +class _ANSIX923PaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_padding_update( + self._buffer, data, self.block_size + ) + return result + + def _padding(self, size: int) -> bytes: + return bytes([0]) * (size - 1) + bytes([size]) + + def finalize(self) -> bytes: + result = _byte_padding_pad( + self._buffer, self.block_size, self._padding + ) + self._buffer = None + return result + + +class _ANSIX923UnpaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_unpadding_update( + self._buffer, data, self.block_size + ) + return result + + def finalize(self) -> bytes: + result = _byte_unpadding_check( + self._buffer, + self.block_size, + check_ansix923_padding, + ) + self._buffer = None + return result diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/poly1305.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/poly1305.py new file mode 100644 index 0000000..7f5a77a --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/poly1305.py @@ -0,0 +1,11 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.hazmat.bindings._rust import openssl as rust_openssl + +__all__ = ["Poly1305"] + +Poly1305 = rust_openssl.poly1305.Poly1305 diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__init__.py new file mode 100644 index 0000000..b6c9a5c --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__init__.py @@ -0,0 +1,63 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.hazmat.primitives._serialization import ( + BestAvailableEncryption, + Encoding, + KeySerializationEncryption, + NoEncryption, + ParameterFormat, + PrivateFormat, + PublicFormat, + _KeySerializationEncryption, +) +from cryptography.hazmat.primitives.serialization.base import ( + load_der_parameters, + load_der_private_key, + load_der_public_key, + load_pem_parameters, + load_pem_private_key, + load_pem_public_key, +) +from cryptography.hazmat.primitives.serialization.ssh import ( + SSHCertificate, + SSHCertificateBuilder, + SSHCertificateType, + SSHCertPrivateKeyTypes, + SSHCertPublicKeyTypes, + SSHPrivateKeyTypes, + SSHPublicKeyTypes, + load_ssh_private_key, + load_ssh_public_identity, + load_ssh_public_key, +) + +__all__ = [ + "load_der_parameters", + "load_der_private_key", + "load_der_public_key", + "load_pem_parameters", + "load_pem_private_key", + "load_pem_public_key", + "load_ssh_private_key", + "load_ssh_public_identity", + "load_ssh_public_key", + "Encoding", + "PrivateFormat", + "PublicFormat", + "ParameterFormat", + "KeySerializationEncryption", + "BestAvailableEncryption", + "NoEncryption", + "_KeySerializationEncryption", + "SSHCertificateBuilder", + "SSHCertificate", + "SSHCertificateType", + "SSHCertPublicKeyTypes", + "SSHCertPrivateKeyTypes", + "SSHPrivateKeyTypes", + "SSHPublicKeyTypes", +] diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..b478b9d Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/base.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/base.cpython-312.pyc new file mode 100644 index 0000000..cfbc771 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/base.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/pkcs12.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/pkcs12.cpython-312.pyc new file mode 100644 index 0000000..0f3f38f Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/pkcs12.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/pkcs7.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/pkcs7.cpython-312.pyc new file mode 100644 index 0000000..62cd9d0 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/pkcs7.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/ssh.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/ssh.cpython-312.pyc new file mode 100644 index 0000000..e10708e Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/__pycache__/ssh.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/base.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/base.py new file mode 100644 index 0000000..18a96cc --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/base.py @@ -0,0 +1,73 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.hazmat.primitives.asymmetric import dh +from cryptography.hazmat.primitives.asymmetric.types import ( + PrivateKeyTypes, + PublicKeyTypes, +) + + +def load_pem_private_key( + data: bytes, + password: typing.Optional[bytes], + backend: typing.Any = None, + *, + unsafe_skip_rsa_key_validation: bool = False, +) -> PrivateKeyTypes: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_pem_private_key( + data, password, unsafe_skip_rsa_key_validation + ) + + +def load_pem_public_key( + data: bytes, backend: typing.Any = None +) -> PublicKeyTypes: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_pem_public_key(data) + + +def load_pem_parameters( + data: bytes, backend: typing.Any = None +) -> dh.DHParameters: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_pem_parameters(data) + + +def load_der_private_key( + data: bytes, + password: typing.Optional[bytes], + backend: typing.Any = None, + *, + unsafe_skip_rsa_key_validation: bool = False, +) -> PrivateKeyTypes: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_der_private_key( + data, password, unsafe_skip_rsa_key_validation + ) + + +def load_der_public_key( + data: bytes, backend: typing.Any = None +) -> PublicKeyTypes: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_der_public_key(data) + + +def load_der_parameters( + data: bytes, backend: typing.Any = None +) -> dh.DHParameters: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_der_parameters(data) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/pkcs12.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/pkcs12.py new file mode 100644 index 0000000..27133a3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/pkcs12.py @@ -0,0 +1,229 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography import x509 +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives._serialization import PBES as PBES +from cryptography.hazmat.primitives.asymmetric import ( + dsa, + ec, + ed448, + ed25519, + rsa, +) +from cryptography.hazmat.primitives.asymmetric.types import PrivateKeyTypes + +__all__ = [ + "PBES", + "PKCS12PrivateKeyTypes", + "PKCS12Certificate", + "PKCS12KeyAndCertificates", + "load_key_and_certificates", + "load_pkcs12", + "serialize_key_and_certificates", +] + +PKCS12PrivateKeyTypes = typing.Union[ + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, + ed25519.Ed25519PrivateKey, + ed448.Ed448PrivateKey, +] + + +class PKCS12Certificate: + def __init__( + self, + cert: x509.Certificate, + friendly_name: typing.Optional[bytes], + ): + if not isinstance(cert, x509.Certificate): + raise TypeError("Expecting x509.Certificate object") + if friendly_name is not None and not isinstance(friendly_name, bytes): + raise TypeError("friendly_name must be bytes or None") + self._cert = cert + self._friendly_name = friendly_name + + @property + def friendly_name(self) -> typing.Optional[bytes]: + return self._friendly_name + + @property + def certificate(self) -> x509.Certificate: + return self._cert + + def __eq__(self, other: object) -> bool: + if not isinstance(other, PKCS12Certificate): + return NotImplemented + + return ( + self.certificate == other.certificate + and self.friendly_name == other.friendly_name + ) + + def __hash__(self) -> int: + return hash((self.certificate, self.friendly_name)) + + def __repr__(self) -> str: + return "".format( + self.certificate, self.friendly_name + ) + + +class PKCS12KeyAndCertificates: + def __init__( + self, + key: typing.Optional[PrivateKeyTypes], + cert: typing.Optional[PKCS12Certificate], + additional_certs: typing.List[PKCS12Certificate], + ): + if key is not None and not isinstance( + key, + ( + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, + ed25519.Ed25519PrivateKey, + ed448.Ed448PrivateKey, + ), + ): + raise TypeError( + "Key must be RSA, DSA, EllipticCurve, ED25519, or ED448" + " private key, or None." + ) + if cert is not None and not isinstance(cert, PKCS12Certificate): + raise TypeError("cert must be a PKCS12Certificate object or None") + if not all( + isinstance(add_cert, PKCS12Certificate) + for add_cert in additional_certs + ): + raise TypeError( + "all values in additional_certs must be PKCS12Certificate" + " objects" + ) + self._key = key + self._cert = cert + self._additional_certs = additional_certs + + @property + def key(self) -> typing.Optional[PrivateKeyTypes]: + return self._key + + @property + def cert(self) -> typing.Optional[PKCS12Certificate]: + return self._cert + + @property + def additional_certs(self) -> typing.List[PKCS12Certificate]: + return self._additional_certs + + def __eq__(self, other: object) -> bool: + if not isinstance(other, PKCS12KeyAndCertificates): + return NotImplemented + + return ( + self.key == other.key + and self.cert == other.cert + and self.additional_certs == other.additional_certs + ) + + def __hash__(self) -> int: + return hash((self.key, self.cert, tuple(self.additional_certs))) + + def __repr__(self) -> str: + fmt = ( + "" + ) + return fmt.format(self.key, self.cert, self.additional_certs) + + +def load_key_and_certificates( + data: bytes, + password: typing.Optional[bytes], + backend: typing.Any = None, +) -> typing.Tuple[ + typing.Optional[PrivateKeyTypes], + typing.Optional[x509.Certificate], + typing.List[x509.Certificate], +]: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_key_and_certificates_from_pkcs12(data, password) + + +def load_pkcs12( + data: bytes, + password: typing.Optional[bytes], + backend: typing.Any = None, +) -> PKCS12KeyAndCertificates: + from cryptography.hazmat.backends.openssl.backend import backend as ossl + + return ossl.load_pkcs12(data, password) + + +_PKCS12CATypes = typing.Union[ + x509.Certificate, + PKCS12Certificate, +] + + +def serialize_key_and_certificates( + name: typing.Optional[bytes], + key: typing.Optional[PKCS12PrivateKeyTypes], + cert: typing.Optional[x509.Certificate], + cas: typing.Optional[typing.Iterable[_PKCS12CATypes]], + encryption_algorithm: serialization.KeySerializationEncryption, +) -> bytes: + if key is not None and not isinstance( + key, + ( + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, + ed25519.Ed25519PrivateKey, + ed448.Ed448PrivateKey, + ), + ): + raise TypeError( + "Key must be RSA, DSA, EllipticCurve, ED25519, or ED448" + " private key, or None." + ) + if cert is not None and not isinstance(cert, x509.Certificate): + raise TypeError("cert must be a certificate or None") + + if cas is not None: + cas = list(cas) + if not all( + isinstance( + val, + ( + x509.Certificate, + PKCS12Certificate, + ), + ) + for val in cas + ): + raise TypeError("all values in cas must be certificates") + + if not isinstance( + encryption_algorithm, serialization.KeySerializationEncryption + ): + raise TypeError( + "Key encryption algorithm must be a " + "KeySerializationEncryption instance" + ) + + if key is None and cert is None and not cas: + raise ValueError("You must supply at least one of key, cert, or cas") + + from cryptography.hazmat.backends.openssl.backend import backend + + return backend.serialize_key_and_certificates_to_pkcs12( + name, key, cert, cas, encryption_algorithm + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/pkcs7.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/pkcs7.py new file mode 100644 index 0000000..9998bca --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/pkcs7.py @@ -0,0 +1,235 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import email.base64mime +import email.generator +import email.message +import email.policy +import io +import typing + +from cryptography import utils, x509 +from cryptography.hazmat.bindings._rust import pkcs7 as rust_pkcs7 +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ec, rsa +from cryptography.utils import _check_byteslike + + +def load_pem_pkcs7_certificates(data: bytes) -> typing.List[x509.Certificate]: + from cryptography.hazmat.backends.openssl.backend import backend + + return backend.load_pem_pkcs7_certificates(data) + + +def load_der_pkcs7_certificates(data: bytes) -> typing.List[x509.Certificate]: + from cryptography.hazmat.backends.openssl.backend import backend + + return backend.load_der_pkcs7_certificates(data) + + +def serialize_certificates( + certs: typing.List[x509.Certificate], + encoding: serialization.Encoding, +) -> bytes: + return rust_pkcs7.serialize_certificates(certs, encoding) + + +PKCS7HashTypes = typing.Union[ + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, +] + +PKCS7PrivateKeyTypes = typing.Union[ + rsa.RSAPrivateKey, ec.EllipticCurvePrivateKey +] + + +class PKCS7Options(utils.Enum): + Text = "Add text/plain MIME type" + Binary = "Don't translate input data into canonical MIME format" + DetachedSignature = "Don't embed data in the PKCS7 structure" + NoCapabilities = "Don't embed SMIME capabilities" + NoAttributes = "Don't embed authenticatedAttributes" + NoCerts = "Don't embed signer certificate" + + +class PKCS7SignatureBuilder: + def __init__( + self, + data: typing.Optional[bytes] = None, + signers: typing.List[ + typing.Tuple[ + x509.Certificate, + PKCS7PrivateKeyTypes, + PKCS7HashTypes, + ] + ] = [], + additional_certs: typing.List[x509.Certificate] = [], + ): + self._data = data + self._signers = signers + self._additional_certs = additional_certs + + def set_data(self, data: bytes) -> PKCS7SignatureBuilder: + _check_byteslike("data", data) + if self._data is not None: + raise ValueError("data may only be set once") + + return PKCS7SignatureBuilder(data, self._signers) + + def add_signer( + self, + certificate: x509.Certificate, + private_key: PKCS7PrivateKeyTypes, + hash_algorithm: PKCS7HashTypes, + ) -> PKCS7SignatureBuilder: + if not isinstance( + hash_algorithm, + ( + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, + ), + ): + raise TypeError( + "hash_algorithm must be one of hashes.SHA224, " + "SHA256, SHA384, or SHA512" + ) + if not isinstance(certificate, x509.Certificate): + raise TypeError("certificate must be a x509.Certificate") + + if not isinstance( + private_key, (rsa.RSAPrivateKey, ec.EllipticCurvePrivateKey) + ): + raise TypeError("Only RSA & EC keys are supported at this time.") + + return PKCS7SignatureBuilder( + self._data, + self._signers + [(certificate, private_key, hash_algorithm)], + ) + + def add_certificate( + self, certificate: x509.Certificate + ) -> PKCS7SignatureBuilder: + if not isinstance(certificate, x509.Certificate): + raise TypeError("certificate must be a x509.Certificate") + + return PKCS7SignatureBuilder( + self._data, self._signers, self._additional_certs + [certificate] + ) + + def sign( + self, + encoding: serialization.Encoding, + options: typing.Iterable[PKCS7Options], + backend: typing.Any = None, + ) -> bytes: + if len(self._signers) == 0: + raise ValueError("Must have at least one signer") + if self._data is None: + raise ValueError("You must add data to sign") + options = list(options) + if not all(isinstance(x, PKCS7Options) for x in options): + raise ValueError("options must be from the PKCS7Options enum") + if encoding not in ( + serialization.Encoding.PEM, + serialization.Encoding.DER, + serialization.Encoding.SMIME, + ): + raise ValueError( + "Must be PEM, DER, or SMIME from the Encoding enum" + ) + + # Text is a meaningless option unless it is accompanied by + # DetachedSignature + if ( + PKCS7Options.Text in options + and PKCS7Options.DetachedSignature not in options + ): + raise ValueError( + "When passing the Text option you must also pass " + "DetachedSignature" + ) + + if PKCS7Options.Text in options and encoding in ( + serialization.Encoding.DER, + serialization.Encoding.PEM, + ): + raise ValueError( + "The Text option is only available for SMIME serialization" + ) + + # No attributes implies no capabilities so we'll error if you try to + # pass both. + if ( + PKCS7Options.NoAttributes in options + and PKCS7Options.NoCapabilities in options + ): + raise ValueError( + "NoAttributes is a superset of NoCapabilities. Do not pass " + "both values." + ) + + return rust_pkcs7.sign_and_serialize(self, encoding, options) + + +def _smime_encode( + data: bytes, signature: bytes, micalg: str, text_mode: bool +) -> bytes: + # This function works pretty hard to replicate what OpenSSL does + # precisely. For good and for ill. + + m = email.message.Message() + m.add_header("MIME-Version", "1.0") + m.add_header( + "Content-Type", + "multipart/signed", + protocol="application/x-pkcs7-signature", + micalg=micalg, + ) + + m.preamble = "This is an S/MIME signed message\n" + + msg_part = OpenSSLMimePart() + msg_part.set_payload(data) + if text_mode: + msg_part.add_header("Content-Type", "text/plain") + m.attach(msg_part) + + sig_part = email.message.MIMEPart() + sig_part.add_header( + "Content-Type", "application/x-pkcs7-signature", name="smime.p7s" + ) + sig_part.add_header("Content-Transfer-Encoding", "base64") + sig_part.add_header( + "Content-Disposition", "attachment", filename="smime.p7s" + ) + sig_part.set_payload( + email.base64mime.body_encode(signature, maxlinelen=65) + ) + del sig_part["MIME-Version"] + m.attach(sig_part) + + fp = io.BytesIO() + g = email.generator.BytesGenerator( + fp, + maxheaderlen=0, + mangle_from_=False, + policy=m.policy.clone(linesep="\r\n"), + ) + g.flatten(m) + return fp.getvalue() + + +class OpenSSLMimePart(email.message.MIMEPart): + # A MIMEPart subclass that replicates OpenSSL's behavior of not including + # a newline if there are no headers. + def _write_headers(self, generator) -> None: + if list(self.raw_items()): + generator._write_headers(self) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/ssh.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/ssh.py new file mode 100644 index 0000000..35e53c1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/serialization/ssh.py @@ -0,0 +1,1534 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import binascii +import enum +import os +import re +import typing +import warnings +from base64 import encodebytes as _base64_encode +from dataclasses import dataclass + +from cryptography import utils +from cryptography.exceptions import UnsupportedAlgorithm +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric import ( + dsa, + ec, + ed25519, + padding, + rsa, +) +from cryptography.hazmat.primitives.asymmetric import utils as asym_utils +from cryptography.hazmat.primitives.ciphers import ( + AEADDecryptionContext, + Cipher, + algorithms, + modes, +) +from cryptography.hazmat.primitives.serialization import ( + Encoding, + KeySerializationEncryption, + NoEncryption, + PrivateFormat, + PublicFormat, + _KeySerializationEncryption, +) + +try: + from bcrypt import kdf as _bcrypt_kdf + + _bcrypt_supported = True +except ImportError: + _bcrypt_supported = False + + def _bcrypt_kdf( + password: bytes, + salt: bytes, + desired_key_bytes: int, + rounds: int, + ignore_few_rounds: bool = False, + ) -> bytes: + raise UnsupportedAlgorithm("Need bcrypt module") + + +_SSH_ED25519 = b"ssh-ed25519" +_SSH_RSA = b"ssh-rsa" +_SSH_DSA = b"ssh-dss" +_ECDSA_NISTP256 = b"ecdsa-sha2-nistp256" +_ECDSA_NISTP384 = b"ecdsa-sha2-nistp384" +_ECDSA_NISTP521 = b"ecdsa-sha2-nistp521" +_CERT_SUFFIX = b"-cert-v01@openssh.com" + +# These are not key types, only algorithms, so they cannot appear +# as a public key type +_SSH_RSA_SHA256 = b"rsa-sha2-256" +_SSH_RSA_SHA512 = b"rsa-sha2-512" + +_SSH_PUBKEY_RC = re.compile(rb"\A(\S+)[ \t]+(\S+)") +_SK_MAGIC = b"openssh-key-v1\0" +_SK_START = b"-----BEGIN OPENSSH PRIVATE KEY-----" +_SK_END = b"-----END OPENSSH PRIVATE KEY-----" +_BCRYPT = b"bcrypt" +_NONE = b"none" +_DEFAULT_CIPHER = b"aes256-ctr" +_DEFAULT_ROUNDS = 16 + +# re is only way to work on bytes-like data +_PEM_RC = re.compile(_SK_START + b"(.*?)" + _SK_END, re.DOTALL) + +# padding for max blocksize +_PADDING = memoryview(bytearray(range(1, 1 + 16))) + + +@dataclass +class _SSHCipher: + alg: typing.Type[algorithms.AES] + key_len: int + mode: typing.Union[ + typing.Type[modes.CTR], + typing.Type[modes.CBC], + typing.Type[modes.GCM], + ] + block_len: int + iv_len: int + tag_len: typing.Optional[int] + is_aead: bool + + +# ciphers that are actually used in key wrapping +_SSH_CIPHERS: typing.Dict[bytes, _SSHCipher] = { + b"aes256-ctr": _SSHCipher( + alg=algorithms.AES, + key_len=32, + mode=modes.CTR, + block_len=16, + iv_len=16, + tag_len=None, + is_aead=False, + ), + b"aes256-cbc": _SSHCipher( + alg=algorithms.AES, + key_len=32, + mode=modes.CBC, + block_len=16, + iv_len=16, + tag_len=None, + is_aead=False, + ), + b"aes256-gcm@openssh.com": _SSHCipher( + alg=algorithms.AES, + key_len=32, + mode=modes.GCM, + block_len=16, + iv_len=12, + tag_len=16, + is_aead=True, + ), +} + +# map local curve name to key type +_ECDSA_KEY_TYPE = { + "secp256r1": _ECDSA_NISTP256, + "secp384r1": _ECDSA_NISTP384, + "secp521r1": _ECDSA_NISTP521, +} + + +def _get_ssh_key_type( + key: typing.Union[SSHPrivateKeyTypes, SSHPublicKeyTypes] +) -> bytes: + if isinstance(key, ec.EllipticCurvePrivateKey): + key_type = _ecdsa_key_type(key.public_key()) + elif isinstance(key, ec.EllipticCurvePublicKey): + key_type = _ecdsa_key_type(key) + elif isinstance(key, (rsa.RSAPrivateKey, rsa.RSAPublicKey)): + key_type = _SSH_RSA + elif isinstance(key, (dsa.DSAPrivateKey, dsa.DSAPublicKey)): + key_type = _SSH_DSA + elif isinstance( + key, (ed25519.Ed25519PrivateKey, ed25519.Ed25519PublicKey) + ): + key_type = _SSH_ED25519 + else: + raise ValueError("Unsupported key type") + + return key_type + + +def _ecdsa_key_type(public_key: ec.EllipticCurvePublicKey) -> bytes: + """Return SSH key_type and curve_name for private key.""" + curve = public_key.curve + if curve.name not in _ECDSA_KEY_TYPE: + raise ValueError( + f"Unsupported curve for ssh private key: {curve.name!r}" + ) + return _ECDSA_KEY_TYPE[curve.name] + + +def _ssh_pem_encode( + data: bytes, + prefix: bytes = _SK_START + b"\n", + suffix: bytes = _SK_END + b"\n", +) -> bytes: + return b"".join([prefix, _base64_encode(data), suffix]) + + +def _check_block_size(data: bytes, block_len: int) -> None: + """Require data to be full blocks""" + if not data or len(data) % block_len != 0: + raise ValueError("Corrupt data: missing padding") + + +def _check_empty(data: bytes) -> None: + """All data should have been parsed.""" + if data: + raise ValueError("Corrupt data: unparsed data") + + +def _init_cipher( + ciphername: bytes, + password: typing.Optional[bytes], + salt: bytes, + rounds: int, +) -> Cipher[typing.Union[modes.CBC, modes.CTR, modes.GCM]]: + """Generate key + iv and return cipher.""" + if not password: + raise ValueError("Key is password-protected.") + + ciph = _SSH_CIPHERS[ciphername] + seed = _bcrypt_kdf( + password, salt, ciph.key_len + ciph.iv_len, rounds, True + ) + return Cipher( + ciph.alg(seed[: ciph.key_len]), + ciph.mode(seed[ciph.key_len :]), + ) + + +def _get_u32(data: memoryview) -> typing.Tuple[int, memoryview]: + """Uint32""" + if len(data) < 4: + raise ValueError("Invalid data") + return int.from_bytes(data[:4], byteorder="big"), data[4:] + + +def _get_u64(data: memoryview) -> typing.Tuple[int, memoryview]: + """Uint64""" + if len(data) < 8: + raise ValueError("Invalid data") + return int.from_bytes(data[:8], byteorder="big"), data[8:] + + +def _get_sshstr(data: memoryview) -> typing.Tuple[memoryview, memoryview]: + """Bytes with u32 length prefix""" + n, data = _get_u32(data) + if n > len(data): + raise ValueError("Invalid data") + return data[:n], data[n:] + + +def _get_mpint(data: memoryview) -> typing.Tuple[int, memoryview]: + """Big integer.""" + val, data = _get_sshstr(data) + if val and val[0] > 0x7F: + raise ValueError("Invalid data") + return int.from_bytes(val, "big"), data + + +def _to_mpint(val: int) -> bytes: + """Storage format for signed bigint.""" + if val < 0: + raise ValueError("negative mpint not allowed") + if not val: + return b"" + nbytes = (val.bit_length() + 8) // 8 + return utils.int_to_bytes(val, nbytes) + + +class _FragList: + """Build recursive structure without data copy.""" + + flist: typing.List[bytes] + + def __init__( + self, init: typing.Optional[typing.List[bytes]] = None + ) -> None: + self.flist = [] + if init: + self.flist.extend(init) + + def put_raw(self, val: bytes) -> None: + """Add plain bytes""" + self.flist.append(val) + + def put_u32(self, val: int) -> None: + """Big-endian uint32""" + self.flist.append(val.to_bytes(length=4, byteorder="big")) + + def put_u64(self, val: int) -> None: + """Big-endian uint64""" + self.flist.append(val.to_bytes(length=8, byteorder="big")) + + def put_sshstr(self, val: typing.Union[bytes, _FragList]) -> None: + """Bytes prefixed with u32 length""" + if isinstance(val, (bytes, memoryview, bytearray)): + self.put_u32(len(val)) + self.flist.append(val) + else: + self.put_u32(val.size()) + self.flist.extend(val.flist) + + def put_mpint(self, val: int) -> None: + """Big-endian bigint prefixed with u32 length""" + self.put_sshstr(_to_mpint(val)) + + def size(self) -> int: + """Current number of bytes""" + return sum(map(len, self.flist)) + + def render(self, dstbuf: memoryview, pos: int = 0) -> int: + """Write into bytearray""" + for frag in self.flist: + flen = len(frag) + start, pos = pos, pos + flen + dstbuf[start:pos] = frag + return pos + + def tobytes(self) -> bytes: + """Return as bytes""" + buf = memoryview(bytearray(self.size())) + self.render(buf) + return buf.tobytes() + + +class _SSHFormatRSA: + """Format for RSA keys. + + Public: + mpint e, n + Private: + mpint n, e, d, iqmp, p, q + """ + + def get_public(self, data: memoryview): + """RSA public fields""" + e, data = _get_mpint(data) + n, data = _get_mpint(data) + return (e, n), data + + def load_public( + self, data: memoryview + ) -> typing.Tuple[rsa.RSAPublicKey, memoryview]: + """Make RSA public key from data.""" + (e, n), data = self.get_public(data) + public_numbers = rsa.RSAPublicNumbers(e, n) + public_key = public_numbers.public_key() + return public_key, data + + def load_private( + self, data: memoryview, pubfields + ) -> typing.Tuple[rsa.RSAPrivateKey, memoryview]: + """Make RSA private key from data.""" + n, data = _get_mpint(data) + e, data = _get_mpint(data) + d, data = _get_mpint(data) + iqmp, data = _get_mpint(data) + p, data = _get_mpint(data) + q, data = _get_mpint(data) + + if (e, n) != pubfields: + raise ValueError("Corrupt data: rsa field mismatch") + dmp1 = rsa.rsa_crt_dmp1(d, p) + dmq1 = rsa.rsa_crt_dmq1(d, q) + public_numbers = rsa.RSAPublicNumbers(e, n) + private_numbers = rsa.RSAPrivateNumbers( + p, q, d, dmp1, dmq1, iqmp, public_numbers + ) + private_key = private_numbers.private_key() + return private_key, data + + def encode_public( + self, public_key: rsa.RSAPublicKey, f_pub: _FragList + ) -> None: + """Write RSA public key""" + pubn = public_key.public_numbers() + f_pub.put_mpint(pubn.e) + f_pub.put_mpint(pubn.n) + + def encode_private( + self, private_key: rsa.RSAPrivateKey, f_priv: _FragList + ) -> None: + """Write RSA private key""" + private_numbers = private_key.private_numbers() + public_numbers = private_numbers.public_numbers + + f_priv.put_mpint(public_numbers.n) + f_priv.put_mpint(public_numbers.e) + + f_priv.put_mpint(private_numbers.d) + f_priv.put_mpint(private_numbers.iqmp) + f_priv.put_mpint(private_numbers.p) + f_priv.put_mpint(private_numbers.q) + + +class _SSHFormatDSA: + """Format for DSA keys. + + Public: + mpint p, q, g, y + Private: + mpint p, q, g, y, x + """ + + def get_public( + self, data: memoryview + ) -> typing.Tuple[typing.Tuple, memoryview]: + """DSA public fields""" + p, data = _get_mpint(data) + q, data = _get_mpint(data) + g, data = _get_mpint(data) + y, data = _get_mpint(data) + return (p, q, g, y), data + + def load_public( + self, data: memoryview + ) -> typing.Tuple[dsa.DSAPublicKey, memoryview]: + """Make DSA public key from data.""" + (p, q, g, y), data = self.get_public(data) + parameter_numbers = dsa.DSAParameterNumbers(p, q, g) + public_numbers = dsa.DSAPublicNumbers(y, parameter_numbers) + self._validate(public_numbers) + public_key = public_numbers.public_key() + return public_key, data + + def load_private( + self, data: memoryview, pubfields + ) -> typing.Tuple[dsa.DSAPrivateKey, memoryview]: + """Make DSA private key from data.""" + (p, q, g, y), data = self.get_public(data) + x, data = _get_mpint(data) + + if (p, q, g, y) != pubfields: + raise ValueError("Corrupt data: dsa field mismatch") + parameter_numbers = dsa.DSAParameterNumbers(p, q, g) + public_numbers = dsa.DSAPublicNumbers(y, parameter_numbers) + self._validate(public_numbers) + private_numbers = dsa.DSAPrivateNumbers(x, public_numbers) + private_key = private_numbers.private_key() + return private_key, data + + def encode_public( + self, public_key: dsa.DSAPublicKey, f_pub: _FragList + ) -> None: + """Write DSA public key""" + public_numbers = public_key.public_numbers() + parameter_numbers = public_numbers.parameter_numbers + self._validate(public_numbers) + + f_pub.put_mpint(parameter_numbers.p) + f_pub.put_mpint(parameter_numbers.q) + f_pub.put_mpint(parameter_numbers.g) + f_pub.put_mpint(public_numbers.y) + + def encode_private( + self, private_key: dsa.DSAPrivateKey, f_priv: _FragList + ) -> None: + """Write DSA private key""" + self.encode_public(private_key.public_key(), f_priv) + f_priv.put_mpint(private_key.private_numbers().x) + + def _validate(self, public_numbers: dsa.DSAPublicNumbers) -> None: + parameter_numbers = public_numbers.parameter_numbers + if parameter_numbers.p.bit_length() != 1024: + raise ValueError("SSH supports only 1024 bit DSA keys") + + +class _SSHFormatECDSA: + """Format for ECDSA keys. + + Public: + str curve + bytes point + Private: + str curve + bytes point + mpint secret + """ + + def __init__(self, ssh_curve_name: bytes, curve: ec.EllipticCurve): + self.ssh_curve_name = ssh_curve_name + self.curve = curve + + def get_public( + self, data: memoryview + ) -> typing.Tuple[typing.Tuple, memoryview]: + """ECDSA public fields""" + curve, data = _get_sshstr(data) + point, data = _get_sshstr(data) + if curve != self.ssh_curve_name: + raise ValueError("Curve name mismatch") + if point[0] != 4: + raise NotImplementedError("Need uncompressed point") + return (curve, point), data + + def load_public( + self, data: memoryview + ) -> typing.Tuple[ec.EllipticCurvePublicKey, memoryview]: + """Make ECDSA public key from data.""" + (curve_name, point), data = self.get_public(data) + public_key = ec.EllipticCurvePublicKey.from_encoded_point( + self.curve, point.tobytes() + ) + return public_key, data + + def load_private( + self, data: memoryview, pubfields + ) -> typing.Tuple[ec.EllipticCurvePrivateKey, memoryview]: + """Make ECDSA private key from data.""" + (curve_name, point), data = self.get_public(data) + secret, data = _get_mpint(data) + + if (curve_name, point) != pubfields: + raise ValueError("Corrupt data: ecdsa field mismatch") + private_key = ec.derive_private_key(secret, self.curve) + return private_key, data + + def encode_public( + self, public_key: ec.EllipticCurvePublicKey, f_pub: _FragList + ) -> None: + """Write ECDSA public key""" + point = public_key.public_bytes( + Encoding.X962, PublicFormat.UncompressedPoint + ) + f_pub.put_sshstr(self.ssh_curve_name) + f_pub.put_sshstr(point) + + def encode_private( + self, private_key: ec.EllipticCurvePrivateKey, f_priv: _FragList + ) -> None: + """Write ECDSA private key""" + public_key = private_key.public_key() + private_numbers = private_key.private_numbers() + + self.encode_public(public_key, f_priv) + f_priv.put_mpint(private_numbers.private_value) + + +class _SSHFormatEd25519: + """Format for Ed25519 keys. + + Public: + bytes point + Private: + bytes point + bytes secret_and_point + """ + + def get_public( + self, data: memoryview + ) -> typing.Tuple[typing.Tuple, memoryview]: + """Ed25519 public fields""" + point, data = _get_sshstr(data) + return (point,), data + + def load_public( + self, data: memoryview + ) -> typing.Tuple[ed25519.Ed25519PublicKey, memoryview]: + """Make Ed25519 public key from data.""" + (point,), data = self.get_public(data) + public_key = ed25519.Ed25519PublicKey.from_public_bytes( + point.tobytes() + ) + return public_key, data + + def load_private( + self, data: memoryview, pubfields + ) -> typing.Tuple[ed25519.Ed25519PrivateKey, memoryview]: + """Make Ed25519 private key from data.""" + (point,), data = self.get_public(data) + keypair, data = _get_sshstr(data) + + secret = keypair[:32] + point2 = keypair[32:] + if point != point2 or (point,) != pubfields: + raise ValueError("Corrupt data: ed25519 field mismatch") + private_key = ed25519.Ed25519PrivateKey.from_private_bytes(secret) + return private_key, data + + def encode_public( + self, public_key: ed25519.Ed25519PublicKey, f_pub: _FragList + ) -> None: + """Write Ed25519 public key""" + raw_public_key = public_key.public_bytes( + Encoding.Raw, PublicFormat.Raw + ) + f_pub.put_sshstr(raw_public_key) + + def encode_private( + self, private_key: ed25519.Ed25519PrivateKey, f_priv: _FragList + ) -> None: + """Write Ed25519 private key""" + public_key = private_key.public_key() + raw_private_key = private_key.private_bytes( + Encoding.Raw, PrivateFormat.Raw, NoEncryption() + ) + raw_public_key = public_key.public_bytes( + Encoding.Raw, PublicFormat.Raw + ) + f_keypair = _FragList([raw_private_key, raw_public_key]) + + self.encode_public(public_key, f_priv) + f_priv.put_sshstr(f_keypair) + + +_KEY_FORMATS = { + _SSH_RSA: _SSHFormatRSA(), + _SSH_DSA: _SSHFormatDSA(), + _SSH_ED25519: _SSHFormatEd25519(), + _ECDSA_NISTP256: _SSHFormatECDSA(b"nistp256", ec.SECP256R1()), + _ECDSA_NISTP384: _SSHFormatECDSA(b"nistp384", ec.SECP384R1()), + _ECDSA_NISTP521: _SSHFormatECDSA(b"nistp521", ec.SECP521R1()), +} + + +def _lookup_kformat(key_type: bytes): + """Return valid format or throw error""" + if not isinstance(key_type, bytes): + key_type = memoryview(key_type).tobytes() + if key_type in _KEY_FORMATS: + return _KEY_FORMATS[key_type] + raise UnsupportedAlgorithm(f"Unsupported key type: {key_type!r}") + + +SSHPrivateKeyTypes = typing.Union[ + ec.EllipticCurvePrivateKey, + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ed25519.Ed25519PrivateKey, +] + + +def load_ssh_private_key( + data: bytes, + password: typing.Optional[bytes], + backend: typing.Any = None, +) -> SSHPrivateKeyTypes: + """Load private key from OpenSSH custom encoding.""" + utils._check_byteslike("data", data) + if password is not None: + utils._check_bytes("password", password) + + m = _PEM_RC.search(data) + if not m: + raise ValueError("Not OpenSSH private key format") + p1 = m.start(1) + p2 = m.end(1) + data = binascii.a2b_base64(memoryview(data)[p1:p2]) + if not data.startswith(_SK_MAGIC): + raise ValueError("Not OpenSSH private key format") + data = memoryview(data)[len(_SK_MAGIC) :] + + # parse header + ciphername, data = _get_sshstr(data) + kdfname, data = _get_sshstr(data) + kdfoptions, data = _get_sshstr(data) + nkeys, data = _get_u32(data) + if nkeys != 1: + raise ValueError("Only one key supported") + + # load public key data + pubdata, data = _get_sshstr(data) + pub_key_type, pubdata = _get_sshstr(pubdata) + kformat = _lookup_kformat(pub_key_type) + pubfields, pubdata = kformat.get_public(pubdata) + _check_empty(pubdata) + + if (ciphername, kdfname) != (_NONE, _NONE): + ciphername_bytes = ciphername.tobytes() + if ciphername_bytes not in _SSH_CIPHERS: + raise UnsupportedAlgorithm( + f"Unsupported cipher: {ciphername_bytes!r}" + ) + if kdfname != _BCRYPT: + raise UnsupportedAlgorithm(f"Unsupported KDF: {kdfname!r}") + blklen = _SSH_CIPHERS[ciphername_bytes].block_len + tag_len = _SSH_CIPHERS[ciphername_bytes].tag_len + # load secret data + edata, data = _get_sshstr(data) + # see https://bugzilla.mindrot.org/show_bug.cgi?id=3553 for + # information about how OpenSSH handles AEAD tags + if _SSH_CIPHERS[ciphername_bytes].is_aead: + tag = bytes(data) + if len(tag) != tag_len: + raise ValueError("Corrupt data: invalid tag length for cipher") + else: + _check_empty(data) + _check_block_size(edata, blklen) + salt, kbuf = _get_sshstr(kdfoptions) + rounds, kbuf = _get_u32(kbuf) + _check_empty(kbuf) + ciph = _init_cipher(ciphername_bytes, password, salt.tobytes(), rounds) + dec = ciph.decryptor() + edata = memoryview(dec.update(edata)) + if _SSH_CIPHERS[ciphername_bytes].is_aead: + assert isinstance(dec, AEADDecryptionContext) + _check_empty(dec.finalize_with_tag(tag)) + else: + # _check_block_size requires data to be a full block so there + # should be no output from finalize + _check_empty(dec.finalize()) + else: + # load secret data + edata, data = _get_sshstr(data) + _check_empty(data) + blklen = 8 + _check_block_size(edata, blklen) + ck1, edata = _get_u32(edata) + ck2, edata = _get_u32(edata) + if ck1 != ck2: + raise ValueError("Corrupt data: broken checksum") + + # load per-key struct + key_type, edata = _get_sshstr(edata) + if key_type != pub_key_type: + raise ValueError("Corrupt data: key type mismatch") + private_key, edata = kformat.load_private(edata, pubfields) + comment, edata = _get_sshstr(edata) + + # yes, SSH does padding check *after* all other parsing is done. + # need to follow as it writes zero-byte padding too. + if edata != _PADDING[: len(edata)]: + raise ValueError("Corrupt data: invalid padding") + + if isinstance(private_key, dsa.DSAPrivateKey): + warnings.warn( + "SSH DSA keys are deprecated and will be removed in a future " + "release.", + utils.DeprecatedIn40, + stacklevel=2, + ) + + return private_key + + +def _serialize_ssh_private_key( + private_key: SSHPrivateKeyTypes, + password: bytes, + encryption_algorithm: KeySerializationEncryption, +) -> bytes: + """Serialize private key with OpenSSH custom encoding.""" + utils._check_bytes("password", password) + if isinstance(private_key, dsa.DSAPrivateKey): + warnings.warn( + "SSH DSA key support is deprecated and will be " + "removed in a future release", + utils.DeprecatedIn40, + stacklevel=4, + ) + + key_type = _get_ssh_key_type(private_key) + kformat = _lookup_kformat(key_type) + + # setup parameters + f_kdfoptions = _FragList() + if password: + ciphername = _DEFAULT_CIPHER + blklen = _SSH_CIPHERS[ciphername].block_len + kdfname = _BCRYPT + rounds = _DEFAULT_ROUNDS + if ( + isinstance(encryption_algorithm, _KeySerializationEncryption) + and encryption_algorithm._kdf_rounds is not None + ): + rounds = encryption_algorithm._kdf_rounds + salt = os.urandom(16) + f_kdfoptions.put_sshstr(salt) + f_kdfoptions.put_u32(rounds) + ciph = _init_cipher(ciphername, password, salt, rounds) + else: + ciphername = kdfname = _NONE + blklen = 8 + ciph = None + nkeys = 1 + checkval = os.urandom(4) + comment = b"" + + # encode public and private parts together + f_public_key = _FragList() + f_public_key.put_sshstr(key_type) + kformat.encode_public(private_key.public_key(), f_public_key) + + f_secrets = _FragList([checkval, checkval]) + f_secrets.put_sshstr(key_type) + kformat.encode_private(private_key, f_secrets) + f_secrets.put_sshstr(comment) + f_secrets.put_raw(_PADDING[: blklen - (f_secrets.size() % blklen)]) + + # top-level structure + f_main = _FragList() + f_main.put_raw(_SK_MAGIC) + f_main.put_sshstr(ciphername) + f_main.put_sshstr(kdfname) + f_main.put_sshstr(f_kdfoptions) + f_main.put_u32(nkeys) + f_main.put_sshstr(f_public_key) + f_main.put_sshstr(f_secrets) + + # copy result info bytearray + slen = f_secrets.size() + mlen = f_main.size() + buf = memoryview(bytearray(mlen + blklen)) + f_main.render(buf) + ofs = mlen - slen + + # encrypt in-place + if ciph is not None: + ciph.encryptor().update_into(buf[ofs:mlen], buf[ofs:]) + + return _ssh_pem_encode(buf[:mlen]) + + +SSHPublicKeyTypes = typing.Union[ + ec.EllipticCurvePublicKey, + rsa.RSAPublicKey, + dsa.DSAPublicKey, + ed25519.Ed25519PublicKey, +] + +SSHCertPublicKeyTypes = typing.Union[ + ec.EllipticCurvePublicKey, + rsa.RSAPublicKey, + ed25519.Ed25519PublicKey, +] + + +class SSHCertificateType(enum.Enum): + USER = 1 + HOST = 2 + + +class SSHCertificate: + def __init__( + self, + _nonce: memoryview, + _public_key: SSHPublicKeyTypes, + _serial: int, + _cctype: int, + _key_id: memoryview, + _valid_principals: typing.List[bytes], + _valid_after: int, + _valid_before: int, + _critical_options: typing.Dict[bytes, bytes], + _extensions: typing.Dict[bytes, bytes], + _sig_type: memoryview, + _sig_key: memoryview, + _inner_sig_type: memoryview, + _signature: memoryview, + _tbs_cert_body: memoryview, + _cert_key_type: bytes, + _cert_body: memoryview, + ): + self._nonce = _nonce + self._public_key = _public_key + self._serial = _serial + try: + self._type = SSHCertificateType(_cctype) + except ValueError: + raise ValueError("Invalid certificate type") + self._key_id = _key_id + self._valid_principals = _valid_principals + self._valid_after = _valid_after + self._valid_before = _valid_before + self._critical_options = _critical_options + self._extensions = _extensions + self._sig_type = _sig_type + self._sig_key = _sig_key + self._inner_sig_type = _inner_sig_type + self._signature = _signature + self._cert_key_type = _cert_key_type + self._cert_body = _cert_body + self._tbs_cert_body = _tbs_cert_body + + @property + def nonce(self) -> bytes: + return bytes(self._nonce) + + def public_key(self) -> SSHCertPublicKeyTypes: + # make mypy happy until we remove DSA support entirely and + # the underlying union won't have a disallowed type + return typing.cast(SSHCertPublicKeyTypes, self._public_key) + + @property + def serial(self) -> int: + return self._serial + + @property + def type(self) -> SSHCertificateType: + return self._type + + @property + def key_id(self) -> bytes: + return bytes(self._key_id) + + @property + def valid_principals(self) -> typing.List[bytes]: + return self._valid_principals + + @property + def valid_before(self) -> int: + return self._valid_before + + @property + def valid_after(self) -> int: + return self._valid_after + + @property + def critical_options(self) -> typing.Dict[bytes, bytes]: + return self._critical_options + + @property + def extensions(self) -> typing.Dict[bytes, bytes]: + return self._extensions + + def signature_key(self) -> SSHCertPublicKeyTypes: + sigformat = _lookup_kformat(self._sig_type) + signature_key, sigkey_rest = sigformat.load_public(self._sig_key) + _check_empty(sigkey_rest) + return signature_key + + def public_bytes(self) -> bytes: + return ( + bytes(self._cert_key_type) + + b" " + + binascii.b2a_base64(bytes(self._cert_body), newline=False) + ) + + def verify_cert_signature(self) -> None: + signature_key = self.signature_key() + if isinstance(signature_key, ed25519.Ed25519PublicKey): + signature_key.verify( + bytes(self._signature), bytes(self._tbs_cert_body) + ) + elif isinstance(signature_key, ec.EllipticCurvePublicKey): + # The signature is encoded as a pair of big-endian integers + r, data = _get_mpint(self._signature) + s, data = _get_mpint(data) + _check_empty(data) + computed_sig = asym_utils.encode_dss_signature(r, s) + hash_alg = _get_ec_hash_alg(signature_key.curve) + signature_key.verify( + computed_sig, bytes(self._tbs_cert_body), ec.ECDSA(hash_alg) + ) + else: + assert isinstance(signature_key, rsa.RSAPublicKey) + if self._inner_sig_type == _SSH_RSA: + hash_alg = hashes.SHA1() + elif self._inner_sig_type == _SSH_RSA_SHA256: + hash_alg = hashes.SHA256() + else: + assert self._inner_sig_type == _SSH_RSA_SHA512 + hash_alg = hashes.SHA512() + signature_key.verify( + bytes(self._signature), + bytes(self._tbs_cert_body), + padding.PKCS1v15(), + hash_alg, + ) + + +def _get_ec_hash_alg(curve: ec.EllipticCurve) -> hashes.HashAlgorithm: + if isinstance(curve, ec.SECP256R1): + return hashes.SHA256() + elif isinstance(curve, ec.SECP384R1): + return hashes.SHA384() + else: + assert isinstance(curve, ec.SECP521R1) + return hashes.SHA512() + + +def _load_ssh_public_identity( + data: bytes, + _legacy_dsa_allowed=False, +) -> typing.Union[SSHCertificate, SSHPublicKeyTypes]: + utils._check_byteslike("data", data) + + m = _SSH_PUBKEY_RC.match(data) + if not m: + raise ValueError("Invalid line format") + key_type = orig_key_type = m.group(1) + key_body = m.group(2) + with_cert = False + if key_type.endswith(_CERT_SUFFIX): + with_cert = True + key_type = key_type[: -len(_CERT_SUFFIX)] + if key_type == _SSH_DSA and not _legacy_dsa_allowed: + raise UnsupportedAlgorithm( + "DSA keys aren't supported in SSH certificates" + ) + kformat = _lookup_kformat(key_type) + + try: + rest = memoryview(binascii.a2b_base64(key_body)) + except (TypeError, binascii.Error): + raise ValueError("Invalid format") + + if with_cert: + cert_body = rest + inner_key_type, rest = _get_sshstr(rest) + if inner_key_type != orig_key_type: + raise ValueError("Invalid key format") + if with_cert: + nonce, rest = _get_sshstr(rest) + public_key, rest = kformat.load_public(rest) + if with_cert: + serial, rest = _get_u64(rest) + cctype, rest = _get_u32(rest) + key_id, rest = _get_sshstr(rest) + principals, rest = _get_sshstr(rest) + valid_principals = [] + while principals: + principal, principals = _get_sshstr(principals) + valid_principals.append(bytes(principal)) + valid_after, rest = _get_u64(rest) + valid_before, rest = _get_u64(rest) + crit_options, rest = _get_sshstr(rest) + critical_options = _parse_exts_opts(crit_options) + exts, rest = _get_sshstr(rest) + extensions = _parse_exts_opts(exts) + # Get the reserved field, which is unused. + _, rest = _get_sshstr(rest) + sig_key_raw, rest = _get_sshstr(rest) + sig_type, sig_key = _get_sshstr(sig_key_raw) + if sig_type == _SSH_DSA and not _legacy_dsa_allowed: + raise UnsupportedAlgorithm( + "DSA signatures aren't supported in SSH certificates" + ) + # Get the entire cert body and subtract the signature + tbs_cert_body = cert_body[: -len(rest)] + signature_raw, rest = _get_sshstr(rest) + _check_empty(rest) + inner_sig_type, sig_rest = _get_sshstr(signature_raw) + # RSA certs can have multiple algorithm types + if ( + sig_type == _SSH_RSA + and inner_sig_type + not in [_SSH_RSA_SHA256, _SSH_RSA_SHA512, _SSH_RSA] + ) or (sig_type != _SSH_RSA and inner_sig_type != sig_type): + raise ValueError("Signature key type does not match") + signature, sig_rest = _get_sshstr(sig_rest) + _check_empty(sig_rest) + return SSHCertificate( + nonce, + public_key, + serial, + cctype, + key_id, + valid_principals, + valid_after, + valid_before, + critical_options, + extensions, + sig_type, + sig_key, + inner_sig_type, + signature, + tbs_cert_body, + orig_key_type, + cert_body, + ) + else: + _check_empty(rest) + return public_key + + +def load_ssh_public_identity( + data: bytes, +) -> typing.Union[SSHCertificate, SSHPublicKeyTypes]: + return _load_ssh_public_identity(data) + + +def _parse_exts_opts(exts_opts: memoryview) -> typing.Dict[bytes, bytes]: + result: typing.Dict[bytes, bytes] = {} + last_name = None + while exts_opts: + name, exts_opts = _get_sshstr(exts_opts) + bname: bytes = bytes(name) + if bname in result: + raise ValueError("Duplicate name") + if last_name is not None and bname < last_name: + raise ValueError("Fields not lexically sorted") + value, exts_opts = _get_sshstr(exts_opts) + if len(value) > 0: + try: + value, extra = _get_sshstr(value) + except ValueError: + warnings.warn( + "This certificate has an incorrect encoding for critical " + "options or extensions. This will be an exception in " + "cryptography 42", + utils.DeprecatedIn41, + stacklevel=4, + ) + else: + if len(extra) > 0: + raise ValueError("Unexpected extra data after value") + result[bname] = bytes(value) + last_name = bname + return result + + +def load_ssh_public_key( + data: bytes, backend: typing.Any = None +) -> SSHPublicKeyTypes: + cert_or_key = _load_ssh_public_identity(data, _legacy_dsa_allowed=True) + public_key: SSHPublicKeyTypes + if isinstance(cert_or_key, SSHCertificate): + public_key = cert_or_key.public_key() + else: + public_key = cert_or_key + + if isinstance(public_key, dsa.DSAPublicKey): + warnings.warn( + "SSH DSA keys are deprecated and will be removed in a future " + "release.", + utils.DeprecatedIn40, + stacklevel=2, + ) + return public_key + + +def serialize_ssh_public_key(public_key: SSHPublicKeyTypes) -> bytes: + """One-line public key format for OpenSSH""" + if isinstance(public_key, dsa.DSAPublicKey): + warnings.warn( + "SSH DSA key support is deprecated and will be " + "removed in a future release", + utils.DeprecatedIn40, + stacklevel=4, + ) + key_type = _get_ssh_key_type(public_key) + kformat = _lookup_kformat(key_type) + + f_pub = _FragList() + f_pub.put_sshstr(key_type) + kformat.encode_public(public_key, f_pub) + + pub = binascii.b2a_base64(f_pub.tobytes()).strip() + return b"".join([key_type, b" ", pub]) + + +SSHCertPrivateKeyTypes = typing.Union[ + ec.EllipticCurvePrivateKey, + rsa.RSAPrivateKey, + ed25519.Ed25519PrivateKey, +] + + +# This is an undocumented limit enforced in the openssh codebase for sshd and +# ssh-keygen, but it is undefined in the ssh certificates spec. +_SSHKEY_CERT_MAX_PRINCIPALS = 256 + + +class SSHCertificateBuilder: + def __init__( + self, + _public_key: typing.Optional[SSHCertPublicKeyTypes] = None, + _serial: typing.Optional[int] = None, + _type: typing.Optional[SSHCertificateType] = None, + _key_id: typing.Optional[bytes] = None, + _valid_principals: typing.List[bytes] = [], + _valid_for_all_principals: bool = False, + _valid_before: typing.Optional[int] = None, + _valid_after: typing.Optional[int] = None, + _critical_options: typing.List[typing.Tuple[bytes, bytes]] = [], + _extensions: typing.List[typing.Tuple[bytes, bytes]] = [], + ): + self._public_key = _public_key + self._serial = _serial + self._type = _type + self._key_id = _key_id + self._valid_principals = _valid_principals + self._valid_for_all_principals = _valid_for_all_principals + self._valid_before = _valid_before + self._valid_after = _valid_after + self._critical_options = _critical_options + self._extensions = _extensions + + def public_key( + self, public_key: SSHCertPublicKeyTypes + ) -> SSHCertificateBuilder: + if not isinstance( + public_key, + ( + ec.EllipticCurvePublicKey, + rsa.RSAPublicKey, + ed25519.Ed25519PublicKey, + ), + ): + raise TypeError("Unsupported key type") + if self._public_key is not None: + raise ValueError("public_key already set") + + return SSHCertificateBuilder( + _public_key=public_key, + _serial=self._serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def serial(self, serial: int) -> SSHCertificateBuilder: + if not isinstance(serial, int): + raise TypeError("serial must be an integer") + if not 0 <= serial < 2**64: + raise ValueError("serial must be between 0 and 2**64") + if self._serial is not None: + raise ValueError("serial already set") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def type(self, type: SSHCertificateType) -> SSHCertificateBuilder: + if not isinstance(type, SSHCertificateType): + raise TypeError("type must be an SSHCertificateType") + if self._type is not None: + raise ValueError("type already set") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def key_id(self, key_id: bytes) -> SSHCertificateBuilder: + if not isinstance(key_id, bytes): + raise TypeError("key_id must be bytes") + if self._key_id is not None: + raise ValueError("key_id already set") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=self._type, + _key_id=key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def valid_principals( + self, valid_principals: typing.List[bytes] + ) -> SSHCertificateBuilder: + if self._valid_for_all_principals: + raise ValueError( + "Principals can't be set because the cert is valid " + "for all principals" + ) + if ( + not all(isinstance(x, bytes) for x in valid_principals) + or not valid_principals + ): + raise TypeError( + "principals must be a list of bytes and can't be empty" + ) + if self._valid_principals: + raise ValueError("valid_principals already set") + + if len(valid_principals) > _SSHKEY_CERT_MAX_PRINCIPALS: + raise ValueError( + "Reached or exceeded the maximum number of valid_principals" + ) + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def valid_for_all_principals(self): + if self._valid_principals: + raise ValueError( + "valid_principals already set, can't set " + "valid_for_all_principals" + ) + if self._valid_for_all_principals: + raise ValueError("valid_for_all_principals already set") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=True, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def valid_before( + self, valid_before: typing.Union[int, float] + ) -> SSHCertificateBuilder: + if not isinstance(valid_before, (int, float)): + raise TypeError("valid_before must be an int or float") + valid_before = int(valid_before) + if valid_before < 0 or valid_before >= 2**64: + raise ValueError("valid_before must [0, 2**64)") + if self._valid_before is not None: + raise ValueError("valid_before already set") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def valid_after( + self, valid_after: typing.Union[int, float] + ) -> SSHCertificateBuilder: + if not isinstance(valid_after, (int, float)): + raise TypeError("valid_after must be an int or float") + valid_after = int(valid_after) + if valid_after < 0 or valid_after >= 2**64: + raise ValueError("valid_after must [0, 2**64)") + if self._valid_after is not None: + raise ValueError("valid_after already set") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions, + ) + + def add_critical_option( + self, name: bytes, value: bytes + ) -> SSHCertificateBuilder: + if not isinstance(name, bytes) or not isinstance(value, bytes): + raise TypeError("name and value must be bytes") + # This is O(n**2) + if name in [name for name, _ in self._critical_options]: + raise ValueError("Duplicate critical option name") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options + [(name, value)], + _extensions=self._extensions, + ) + + def add_extension( + self, name: bytes, value: bytes + ) -> SSHCertificateBuilder: + if not isinstance(name, bytes) or not isinstance(value, bytes): + raise TypeError("name and value must be bytes") + # This is O(n**2) + if name in [name for name, _ in self._extensions]: + raise ValueError("Duplicate extension name") + + return SSHCertificateBuilder( + _public_key=self._public_key, + _serial=self._serial, + _type=self._type, + _key_id=self._key_id, + _valid_principals=self._valid_principals, + _valid_for_all_principals=self._valid_for_all_principals, + _valid_before=self._valid_before, + _valid_after=self._valid_after, + _critical_options=self._critical_options, + _extensions=self._extensions + [(name, value)], + ) + + def sign(self, private_key: SSHCertPrivateKeyTypes) -> SSHCertificate: + if not isinstance( + private_key, + ( + ec.EllipticCurvePrivateKey, + rsa.RSAPrivateKey, + ed25519.Ed25519PrivateKey, + ), + ): + raise TypeError("Unsupported private key type") + + if self._public_key is None: + raise ValueError("public_key must be set") + + # Not required + serial = 0 if self._serial is None else self._serial + + if self._type is None: + raise ValueError("type must be set") + + # Not required + key_id = b"" if self._key_id is None else self._key_id + + # A zero length list is valid, but means the certificate + # is valid for any principal of the specified type. We require + # the user to explicitly set valid_for_all_principals to get + # that behavior. + if not self._valid_principals and not self._valid_for_all_principals: + raise ValueError( + "valid_principals must be set if valid_for_all_principals " + "is False" + ) + + if self._valid_before is None: + raise ValueError("valid_before must be set") + + if self._valid_after is None: + raise ValueError("valid_after must be set") + + if self._valid_after > self._valid_before: + raise ValueError("valid_after must be earlier than valid_before") + + # lexically sort our byte strings + self._critical_options.sort(key=lambda x: x[0]) + self._extensions.sort(key=lambda x: x[0]) + + key_type = _get_ssh_key_type(self._public_key) + cert_prefix = key_type + _CERT_SUFFIX + + # Marshal the bytes to be signed + nonce = os.urandom(32) + kformat = _lookup_kformat(key_type) + f = _FragList() + f.put_sshstr(cert_prefix) + f.put_sshstr(nonce) + kformat.encode_public(self._public_key, f) + f.put_u64(serial) + f.put_u32(self._type.value) + f.put_sshstr(key_id) + fprincipals = _FragList() + for p in self._valid_principals: + fprincipals.put_sshstr(p) + f.put_sshstr(fprincipals.tobytes()) + f.put_u64(self._valid_after) + f.put_u64(self._valid_before) + fcrit = _FragList() + for name, value in self._critical_options: + fcrit.put_sshstr(name) + if len(value) > 0: + foptval = _FragList() + foptval.put_sshstr(value) + fcrit.put_sshstr(foptval.tobytes()) + else: + fcrit.put_sshstr(value) + f.put_sshstr(fcrit.tobytes()) + fext = _FragList() + for name, value in self._extensions: + fext.put_sshstr(name) + if len(value) > 0: + fextval = _FragList() + fextval.put_sshstr(value) + fext.put_sshstr(fextval.tobytes()) + else: + fext.put_sshstr(value) + f.put_sshstr(fext.tobytes()) + f.put_sshstr(b"") # RESERVED FIELD + # encode CA public key + ca_type = _get_ssh_key_type(private_key) + caformat = _lookup_kformat(ca_type) + caf = _FragList() + caf.put_sshstr(ca_type) + caformat.encode_public(private_key.public_key(), caf) + f.put_sshstr(caf.tobytes()) + # Sigs according to the rules defined for the CA's public key + # (RFC4253 section 6.6 for ssh-rsa, RFC5656 for ECDSA, + # and RFC8032 for Ed25519). + if isinstance(private_key, ed25519.Ed25519PrivateKey): + signature = private_key.sign(f.tobytes()) + fsig = _FragList() + fsig.put_sshstr(ca_type) + fsig.put_sshstr(signature) + f.put_sshstr(fsig.tobytes()) + elif isinstance(private_key, ec.EllipticCurvePrivateKey): + hash_alg = _get_ec_hash_alg(private_key.curve) + signature = private_key.sign(f.tobytes(), ec.ECDSA(hash_alg)) + r, s = asym_utils.decode_dss_signature(signature) + fsig = _FragList() + fsig.put_sshstr(ca_type) + fsigblob = _FragList() + fsigblob.put_mpint(r) + fsigblob.put_mpint(s) + fsig.put_sshstr(fsigblob.tobytes()) + f.put_sshstr(fsig.tobytes()) + + else: + assert isinstance(private_key, rsa.RSAPrivateKey) + # Just like Golang, we're going to use SHA512 for RSA + # https://cs.opensource.google/go/x/crypto/+/refs/tags/ + # v0.4.0:ssh/certs.go;l=445 + # RFC 8332 defines SHA256 and 512 as options + fsig = _FragList() + fsig.put_sshstr(_SSH_RSA_SHA512) + signature = private_key.sign( + f.tobytes(), padding.PKCS1v15(), hashes.SHA512() + ) + fsig.put_sshstr(signature) + f.put_sshstr(fsig.tobytes()) + + cert_data = binascii.b2a_base64(f.tobytes()).strip() + # load_ssh_public_identity returns a union, but this is + # guaranteed to be an SSHCertificate, so we cast to make + # mypy happy. + return typing.cast( + SSHCertificate, + load_ssh_public_identity(b"".join([cert_prefix, b" ", cert_data])), + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__init__.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__init__.py new file mode 100644 index 0000000..c1af423 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__init__.py @@ -0,0 +1,9 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + + +class InvalidToken(Exception): + pass diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..7771161 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/hotp.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/hotp.cpython-312.pyc new file mode 100644 index 0000000..89f320f Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/hotp.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/totp.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/totp.cpython-312.pyc new file mode 100644 index 0000000..7eee696 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/__pycache__/totp.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/hotp.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/hotp.py new file mode 100644 index 0000000..2067108 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/hotp.py @@ -0,0 +1,92 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import base64 +import typing +from urllib.parse import quote, urlencode + +from cryptography.hazmat.primitives import constant_time, hmac +from cryptography.hazmat.primitives.hashes import SHA1, SHA256, SHA512 +from cryptography.hazmat.primitives.twofactor import InvalidToken + +HOTPHashTypes = typing.Union[SHA1, SHA256, SHA512] + + +def _generate_uri( + hotp: HOTP, + type_name: str, + account_name: str, + issuer: typing.Optional[str], + extra_parameters: typing.List[typing.Tuple[str, int]], +) -> str: + parameters = [ + ("digits", hotp._length), + ("secret", base64.b32encode(hotp._key)), + ("algorithm", hotp._algorithm.name.upper()), + ] + + if issuer is not None: + parameters.append(("issuer", issuer)) + + parameters.extend(extra_parameters) + + label = ( + f"{quote(issuer)}:{quote(account_name)}" + if issuer + else quote(account_name) + ) + return f"otpauth://{type_name}/{label}?{urlencode(parameters)}" + + +class HOTP: + def __init__( + self, + key: bytes, + length: int, + algorithm: HOTPHashTypes, + backend: typing.Any = None, + enforce_key_length: bool = True, + ) -> None: + if len(key) < 16 and enforce_key_length is True: + raise ValueError("Key length has to be at least 128 bits.") + + if not isinstance(length, int): + raise TypeError("Length parameter must be an integer type.") + + if length < 6 or length > 8: + raise ValueError("Length of HOTP has to be between 6 and 8.") + + if not isinstance(algorithm, (SHA1, SHA256, SHA512)): + raise TypeError("Algorithm must be SHA1, SHA256 or SHA512.") + + self._key = key + self._length = length + self._algorithm = algorithm + + def generate(self, counter: int) -> bytes: + truncated_value = self._dynamic_truncate(counter) + hotp = truncated_value % (10**self._length) + return "{0:0{1}}".format(hotp, self._length).encode() + + def verify(self, hotp: bytes, counter: int) -> None: + if not constant_time.bytes_eq(self.generate(counter), hotp): + raise InvalidToken("Supplied HOTP value does not match.") + + def _dynamic_truncate(self, counter: int) -> int: + ctx = hmac.HMAC(self._key, self._algorithm) + ctx.update(counter.to_bytes(length=8, byteorder="big")) + hmac_value = ctx.finalize() + + offset = hmac_value[len(hmac_value) - 1] & 0b1111 + p = hmac_value[offset : offset + 4] + return int.from_bytes(p, byteorder="big") & 0x7FFFFFFF + + def get_provisioning_uri( + self, account_name: str, counter: int, issuer: typing.Optional[str] + ) -> str: + return _generate_uri( + self, "hotp", account_name, issuer, [("counter", int(counter))] + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/totp.py b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/totp.py new file mode 100644 index 0000000..daddcea --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/twofactor/totp.py @@ -0,0 +1,50 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import typing + +from cryptography.hazmat.primitives import constant_time +from cryptography.hazmat.primitives.twofactor import InvalidToken +from cryptography.hazmat.primitives.twofactor.hotp import ( + HOTP, + HOTPHashTypes, + _generate_uri, +) + + +class TOTP: + def __init__( + self, + key: bytes, + length: int, + algorithm: HOTPHashTypes, + time_step: int, + backend: typing.Any = None, + enforce_key_length: bool = True, + ): + self._time_step = time_step + self._hotp = HOTP( + key, length, algorithm, enforce_key_length=enforce_key_length + ) + + def generate(self, time: typing.Union[int, float]) -> bytes: + counter = int(time / self._time_step) + return self._hotp.generate(counter) + + def verify(self, totp: bytes, time: int) -> None: + if not constant_time.bytes_eq(self.generate(time), totp): + raise InvalidToken("Supplied TOTP value does not match.") + + def get_provisioning_uri( + self, account_name: str, issuer: typing.Optional[str] + ) -> str: + return _generate_uri( + self._hotp, + "totp", + account_name, + issuer, + [("period", int(self._time_step))], + ) diff --git a/venv/lib/python3.12/site-packages/cryptography/py.typed b/venv/lib/python3.12/site-packages/cryptography/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/cryptography/utils.py b/venv/lib/python3.12/site-packages/cryptography/utils.py new file mode 100644 index 0000000..7191681 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/utils.py @@ -0,0 +1,130 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import enum +import sys +import types +import typing +import warnings + + +# We use a UserWarning subclass, instead of DeprecationWarning, because CPython +# decided deprecation warnings should be invisble by default. +class CryptographyDeprecationWarning(UserWarning): + pass + + +# Several APIs were deprecated with no specific end-of-life date because of the +# ubiquity of their use. They should not be removed until we agree on when that +# cycle ends. +DeprecatedIn36 = CryptographyDeprecationWarning +DeprecatedIn37 = CryptographyDeprecationWarning +DeprecatedIn40 = CryptographyDeprecationWarning +DeprecatedIn41 = CryptographyDeprecationWarning + + +def _check_bytes(name: str, value: bytes) -> None: + if not isinstance(value, bytes): + raise TypeError(f"{name} must be bytes") + + +def _check_byteslike(name: str, value: bytes) -> None: + try: + memoryview(value) + except TypeError: + raise TypeError(f"{name} must be bytes-like") + + +def int_to_bytes(integer: int, length: typing.Optional[int] = None) -> bytes: + return integer.to_bytes( + length or (integer.bit_length() + 7) // 8 or 1, "big" + ) + + +def _extract_buffer_length(obj: typing.Any) -> typing.Tuple[typing.Any, int]: + from cryptography.hazmat.bindings._rust import _openssl + + buf = _openssl.ffi.from_buffer(obj) + return buf, int(_openssl.ffi.cast("uintptr_t", buf)) + + +class InterfaceNotImplemented(Exception): + pass + + +class _DeprecatedValue: + def __init__(self, value: object, message: str, warning_class): + self.value = value + self.message = message + self.warning_class = warning_class + + +class _ModuleWithDeprecations(types.ModuleType): + def __init__(self, module: types.ModuleType): + super().__init__(module.__name__) + self.__dict__["_module"] = module + + def __getattr__(self, attr: str) -> object: + obj = getattr(self._module, attr) + if isinstance(obj, _DeprecatedValue): + warnings.warn(obj.message, obj.warning_class, stacklevel=2) + obj = obj.value + return obj + + def __setattr__(self, attr: str, value: object) -> None: + setattr(self._module, attr, value) + + def __delattr__(self, attr: str) -> None: + obj = getattr(self._module, attr) + if isinstance(obj, _DeprecatedValue): + warnings.warn(obj.message, obj.warning_class, stacklevel=2) + + delattr(self._module, attr) + + def __dir__(self) -> typing.Sequence[str]: + return ["_module"] + dir(self._module) + + +def deprecated( + value: object, + module_name: str, + message: str, + warning_class: typing.Type[Warning], + name: typing.Optional[str] = None, +) -> _DeprecatedValue: + module = sys.modules[module_name] + if not isinstance(module, _ModuleWithDeprecations): + sys.modules[module_name] = module = _ModuleWithDeprecations(module) + dv = _DeprecatedValue(value, message, warning_class) + # Maintain backwards compatibility with `name is None` for pyOpenSSL. + if name is not None: + setattr(module, name, dv) + return dv + + +def cached_property(func: typing.Callable) -> property: + cached_name = f"_cached_{func}" + sentinel = object() + + def inner(instance: object): + cache = getattr(instance, cached_name, sentinel) + if cache is not sentinel: + return cache + result = func(instance) + setattr(instance, cached_name, result) + return result + + return property(inner) + + +# Python 3.10 changed representation of enums. We use well-defined object +# representation and string representation from Python 3.9. +class Enum(enum.Enum): + def __repr__(self) -> str: + return f"<{self.__class__.__name__}.{self._name_}: {self._value_!r}>" + + def __str__(self) -> str: + return f"{self.__class__.__name__}.{self._name_}" diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/__init__.py b/venv/lib/python3.12/site-packages/cryptography/x509/__init__.py new file mode 100644 index 0000000..d77694a --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/x509/__init__.py @@ -0,0 +1,255 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.x509 import certificate_transparency +from cryptography.x509.base import ( + Attribute, + AttributeNotFound, + Attributes, + Certificate, + CertificateBuilder, + CertificateRevocationList, + CertificateRevocationListBuilder, + CertificateSigningRequest, + CertificateSigningRequestBuilder, + InvalidVersion, + RevokedCertificate, + RevokedCertificateBuilder, + Version, + load_der_x509_certificate, + load_der_x509_crl, + load_der_x509_csr, + load_pem_x509_certificate, + load_pem_x509_certificates, + load_pem_x509_crl, + load_pem_x509_csr, + random_serial_number, +) +from cryptography.x509.extensions import ( + AccessDescription, + AuthorityInformationAccess, + AuthorityKeyIdentifier, + BasicConstraints, + CertificateIssuer, + CertificatePolicies, + CRLDistributionPoints, + CRLNumber, + CRLReason, + DeltaCRLIndicator, + DistributionPoint, + DuplicateExtension, + ExtendedKeyUsage, + Extension, + ExtensionNotFound, + Extensions, + ExtensionType, + FreshestCRL, + GeneralNames, + InhibitAnyPolicy, + InvalidityDate, + IssuerAlternativeName, + IssuingDistributionPoint, + KeyUsage, + MSCertificateTemplate, + NameConstraints, + NoticeReference, + OCSPAcceptableResponses, + OCSPNoCheck, + OCSPNonce, + PolicyConstraints, + PolicyInformation, + PrecertificateSignedCertificateTimestamps, + PrecertPoison, + ReasonFlags, + SignedCertificateTimestamps, + SubjectAlternativeName, + SubjectInformationAccess, + SubjectKeyIdentifier, + TLSFeature, + TLSFeatureType, + UnrecognizedExtension, + UserNotice, +) +from cryptography.x509.general_name import ( + DirectoryName, + DNSName, + GeneralName, + IPAddress, + OtherName, + RegisteredID, + RFC822Name, + UniformResourceIdentifier, + UnsupportedGeneralNameType, +) +from cryptography.x509.name import ( + Name, + NameAttribute, + RelativeDistinguishedName, +) +from cryptography.x509.oid import ( + AuthorityInformationAccessOID, + CertificatePoliciesOID, + CRLEntryExtensionOID, + ExtendedKeyUsageOID, + ExtensionOID, + NameOID, + ObjectIdentifier, + SignatureAlgorithmOID, +) + +OID_AUTHORITY_INFORMATION_ACCESS = ExtensionOID.AUTHORITY_INFORMATION_ACCESS +OID_AUTHORITY_KEY_IDENTIFIER = ExtensionOID.AUTHORITY_KEY_IDENTIFIER +OID_BASIC_CONSTRAINTS = ExtensionOID.BASIC_CONSTRAINTS +OID_CERTIFICATE_POLICIES = ExtensionOID.CERTIFICATE_POLICIES +OID_CRL_DISTRIBUTION_POINTS = ExtensionOID.CRL_DISTRIBUTION_POINTS +OID_EXTENDED_KEY_USAGE = ExtensionOID.EXTENDED_KEY_USAGE +OID_FRESHEST_CRL = ExtensionOID.FRESHEST_CRL +OID_INHIBIT_ANY_POLICY = ExtensionOID.INHIBIT_ANY_POLICY +OID_ISSUER_ALTERNATIVE_NAME = ExtensionOID.ISSUER_ALTERNATIVE_NAME +OID_KEY_USAGE = ExtensionOID.KEY_USAGE +OID_NAME_CONSTRAINTS = ExtensionOID.NAME_CONSTRAINTS +OID_OCSP_NO_CHECK = ExtensionOID.OCSP_NO_CHECK +OID_POLICY_CONSTRAINTS = ExtensionOID.POLICY_CONSTRAINTS +OID_POLICY_MAPPINGS = ExtensionOID.POLICY_MAPPINGS +OID_SUBJECT_ALTERNATIVE_NAME = ExtensionOID.SUBJECT_ALTERNATIVE_NAME +OID_SUBJECT_DIRECTORY_ATTRIBUTES = ExtensionOID.SUBJECT_DIRECTORY_ATTRIBUTES +OID_SUBJECT_INFORMATION_ACCESS = ExtensionOID.SUBJECT_INFORMATION_ACCESS +OID_SUBJECT_KEY_IDENTIFIER = ExtensionOID.SUBJECT_KEY_IDENTIFIER + +OID_DSA_WITH_SHA1 = SignatureAlgorithmOID.DSA_WITH_SHA1 +OID_DSA_WITH_SHA224 = SignatureAlgorithmOID.DSA_WITH_SHA224 +OID_DSA_WITH_SHA256 = SignatureAlgorithmOID.DSA_WITH_SHA256 +OID_ECDSA_WITH_SHA1 = SignatureAlgorithmOID.ECDSA_WITH_SHA1 +OID_ECDSA_WITH_SHA224 = SignatureAlgorithmOID.ECDSA_WITH_SHA224 +OID_ECDSA_WITH_SHA256 = SignatureAlgorithmOID.ECDSA_WITH_SHA256 +OID_ECDSA_WITH_SHA384 = SignatureAlgorithmOID.ECDSA_WITH_SHA384 +OID_ECDSA_WITH_SHA512 = SignatureAlgorithmOID.ECDSA_WITH_SHA512 +OID_RSA_WITH_MD5 = SignatureAlgorithmOID.RSA_WITH_MD5 +OID_RSA_WITH_SHA1 = SignatureAlgorithmOID.RSA_WITH_SHA1 +OID_RSA_WITH_SHA224 = SignatureAlgorithmOID.RSA_WITH_SHA224 +OID_RSA_WITH_SHA256 = SignatureAlgorithmOID.RSA_WITH_SHA256 +OID_RSA_WITH_SHA384 = SignatureAlgorithmOID.RSA_WITH_SHA384 +OID_RSA_WITH_SHA512 = SignatureAlgorithmOID.RSA_WITH_SHA512 +OID_RSASSA_PSS = SignatureAlgorithmOID.RSASSA_PSS + +OID_COMMON_NAME = NameOID.COMMON_NAME +OID_COUNTRY_NAME = NameOID.COUNTRY_NAME +OID_DOMAIN_COMPONENT = NameOID.DOMAIN_COMPONENT +OID_DN_QUALIFIER = NameOID.DN_QUALIFIER +OID_EMAIL_ADDRESS = NameOID.EMAIL_ADDRESS +OID_GENERATION_QUALIFIER = NameOID.GENERATION_QUALIFIER +OID_GIVEN_NAME = NameOID.GIVEN_NAME +OID_LOCALITY_NAME = NameOID.LOCALITY_NAME +OID_ORGANIZATIONAL_UNIT_NAME = NameOID.ORGANIZATIONAL_UNIT_NAME +OID_ORGANIZATION_NAME = NameOID.ORGANIZATION_NAME +OID_PSEUDONYM = NameOID.PSEUDONYM +OID_SERIAL_NUMBER = NameOID.SERIAL_NUMBER +OID_STATE_OR_PROVINCE_NAME = NameOID.STATE_OR_PROVINCE_NAME +OID_SURNAME = NameOID.SURNAME +OID_TITLE = NameOID.TITLE + +OID_CLIENT_AUTH = ExtendedKeyUsageOID.CLIENT_AUTH +OID_CODE_SIGNING = ExtendedKeyUsageOID.CODE_SIGNING +OID_EMAIL_PROTECTION = ExtendedKeyUsageOID.EMAIL_PROTECTION +OID_OCSP_SIGNING = ExtendedKeyUsageOID.OCSP_SIGNING +OID_SERVER_AUTH = ExtendedKeyUsageOID.SERVER_AUTH +OID_TIME_STAMPING = ExtendedKeyUsageOID.TIME_STAMPING + +OID_ANY_POLICY = CertificatePoliciesOID.ANY_POLICY +OID_CPS_QUALIFIER = CertificatePoliciesOID.CPS_QUALIFIER +OID_CPS_USER_NOTICE = CertificatePoliciesOID.CPS_USER_NOTICE + +OID_CERTIFICATE_ISSUER = CRLEntryExtensionOID.CERTIFICATE_ISSUER +OID_CRL_REASON = CRLEntryExtensionOID.CRL_REASON +OID_INVALIDITY_DATE = CRLEntryExtensionOID.INVALIDITY_DATE + +OID_CA_ISSUERS = AuthorityInformationAccessOID.CA_ISSUERS +OID_OCSP = AuthorityInformationAccessOID.OCSP + +__all__ = [ + "certificate_transparency", + "load_pem_x509_certificate", + "load_pem_x509_certificates", + "load_der_x509_certificate", + "load_pem_x509_csr", + "load_der_x509_csr", + "load_pem_x509_crl", + "load_der_x509_crl", + "random_serial_number", + "Attribute", + "AttributeNotFound", + "Attributes", + "InvalidVersion", + "DeltaCRLIndicator", + "DuplicateExtension", + "ExtensionNotFound", + "UnsupportedGeneralNameType", + "NameAttribute", + "Name", + "RelativeDistinguishedName", + "ObjectIdentifier", + "ExtensionType", + "Extensions", + "Extension", + "ExtendedKeyUsage", + "FreshestCRL", + "IssuingDistributionPoint", + "TLSFeature", + "TLSFeatureType", + "OCSPAcceptableResponses", + "OCSPNoCheck", + "BasicConstraints", + "CRLNumber", + "KeyUsage", + "AuthorityInformationAccess", + "SubjectInformationAccess", + "AccessDescription", + "CertificatePolicies", + "PolicyInformation", + "UserNotice", + "NoticeReference", + "SubjectKeyIdentifier", + "NameConstraints", + "CRLDistributionPoints", + "DistributionPoint", + "ReasonFlags", + "InhibitAnyPolicy", + "SubjectAlternativeName", + "IssuerAlternativeName", + "AuthorityKeyIdentifier", + "GeneralNames", + "GeneralName", + "RFC822Name", + "DNSName", + "UniformResourceIdentifier", + "RegisteredID", + "DirectoryName", + "IPAddress", + "OtherName", + "Certificate", + "CertificateRevocationList", + "CertificateRevocationListBuilder", + "CertificateSigningRequest", + "RevokedCertificate", + "RevokedCertificateBuilder", + "CertificateSigningRequestBuilder", + "CertificateBuilder", + "Version", + "OID_CA_ISSUERS", + "OID_OCSP", + "CertificateIssuer", + "CRLReason", + "InvalidityDate", + "UnrecognizedExtension", + "PolicyConstraints", + "PrecertificateSignedCertificateTimestamps", + "PrecertPoison", + "OCSPNonce", + "SignedCertificateTimestamps", + "SignatureAlgorithmOID", + "NameOID", + "MSCertificateTemplate", +] diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/cryptography/x509/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..0a6c4e0 Binary files /dev/null and b/venv/lib/python3.12/site-packages/cryptography/x509/__pycache__/__init__.cpython-312.pyc differ diff --git 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See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import datetime +import os +import typing + +from cryptography import utils +from cryptography.hazmat.bindings._rust import x509 as rust_x509 +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ( + dsa, + ec, + ed448, + ed25519, + padding, + rsa, + x448, + x25519, +) +from cryptography.hazmat.primitives.asymmetric.types import ( + CertificateIssuerPrivateKeyTypes, + CertificateIssuerPublicKeyTypes, + CertificatePublicKeyTypes, +) +from cryptography.x509.extensions import ( + Extension, + Extensions, + ExtensionType, + _make_sequence_methods, +) +from cryptography.x509.name import Name, _ASN1Type +from cryptography.x509.oid import ObjectIdentifier + +_EARLIEST_UTC_TIME = datetime.datetime(1950, 1, 1) + +# This must be kept in sync with sign.rs's list of allowable types in +# identify_hash_type +_AllowedHashTypes = typing.Union[ + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, + hashes.SHA3_224, + hashes.SHA3_256, + hashes.SHA3_384, + hashes.SHA3_512, +] + + +class AttributeNotFound(Exception): + def __init__(self, msg: str, oid: ObjectIdentifier) -> None: + super().__init__(msg) + self.oid = oid + + +def _reject_duplicate_extension( + extension: Extension[ExtensionType], + extensions: typing.List[Extension[ExtensionType]], +) -> None: + # This is quadratic in the number of extensions + for e in extensions: + if e.oid == extension.oid: + raise ValueError("This extension has already been set.") + + +def _reject_duplicate_attribute( + oid: ObjectIdentifier, + attributes: typing.List[ + typing.Tuple[ObjectIdentifier, bytes, typing.Optional[int]] + ], +) -> None: + # This is quadratic in the number of attributes + for attr_oid, _, _ in attributes: + if attr_oid == oid: + raise ValueError("This attribute has already been set.") + + +def _convert_to_naive_utc_time(time: datetime.datetime) -> datetime.datetime: + """Normalizes a datetime to a naive datetime in UTC. + + time -- datetime to normalize. Assumed to be in UTC if not timezone + aware. + """ + if time.tzinfo is not None: + offset = time.utcoffset() + offset = offset if offset else datetime.timedelta() + return time.replace(tzinfo=None) - offset + else: + return time + + +class Attribute: + def __init__( + self, + oid: ObjectIdentifier, + value: bytes, + _type: int = _ASN1Type.UTF8String.value, + ) -> None: + self._oid = oid + self._value = value + self._type = _type + + @property + def oid(self) -> ObjectIdentifier: + return self._oid + + @property + def value(self) -> bytes: + return self._value + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, Attribute): + return NotImplemented + + return ( + self.oid == other.oid + and self.value == other.value + and self._type == other._type + ) + + def __hash__(self) -> int: + return hash((self.oid, self.value, self._type)) + + +class Attributes: + def __init__( + self, + attributes: typing.Iterable[Attribute], + ) -> None: + self._attributes = list(attributes) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_attributes") + + def __repr__(self) -> str: + return f"" + + def get_attribute_for_oid(self, oid: ObjectIdentifier) -> Attribute: + for attr in self: + if attr.oid == oid: + return attr + + raise AttributeNotFound(f"No {oid} attribute was found", oid) + + +class Version(utils.Enum): + v1 = 0 + v3 = 2 + + +class InvalidVersion(Exception): + def __init__(self, msg: str, parsed_version: int) -> None: + super().__init__(msg) + self.parsed_version = parsed_version + + +class Certificate(metaclass=abc.ABCMeta): + @abc.abstractmethod + def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: + """ + Returns bytes using digest passed. + """ + + @property + @abc.abstractmethod + def serial_number(self) -> int: + """ + Returns certificate serial number + """ + + @property + @abc.abstractmethod + def version(self) -> Version: + """ + Returns the certificate version + """ + + @abc.abstractmethod + def public_key(self) -> CertificatePublicKeyTypes: + """ + Returns the public key + """ + + @property + @abc.abstractmethod + def not_valid_before(self) -> datetime.datetime: + """ + Not before time (represented as UTC datetime) + """ + + @property + @abc.abstractmethod + def not_valid_after(self) -> datetime.datetime: + """ + Not after time (represented as UTC datetime) + """ + + @property + @abc.abstractmethod + def issuer(self) -> Name: + """ + Returns the issuer name object. + """ + + @property + @abc.abstractmethod + def subject(self) -> Name: + """ + Returns the subject name object. + """ + + @property + @abc.abstractmethod + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + in the certificate. + """ + + @property + @abc.abstractmethod + def signature_algorithm_oid(self) -> ObjectIdentifier: + """ + Returns the ObjectIdentifier of the signature algorithm. + """ + + @property + @abc.abstractmethod + def signature_algorithm_parameters( + self, + ) -> typing.Union[None, padding.PSS, padding.PKCS1v15, ec.ECDSA]: + """ + Returns the signature algorithm parameters. + """ + + @property + @abc.abstractmethod + def extensions(self) -> Extensions: + """ + Returns an Extensions object. + """ + + @property + @abc.abstractmethod + def signature(self) -> bytes: + """ + Returns the signature bytes. + """ + + @property + @abc.abstractmethod + def tbs_certificate_bytes(self) -> bytes: + """ + Returns the tbsCertificate payload bytes as defined in RFC 5280. + """ + + @property + @abc.abstractmethod + def tbs_precertificate_bytes(self) -> bytes: + """ + Returns the tbsCertificate payload bytes with the SCT list extension + stripped. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + @abc.abstractmethod + def __hash__(self) -> int: + """ + Computes a hash. + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the certificate to PEM or DER format. + """ + + @abc.abstractmethod + def verify_directly_issued_by(self, issuer: Certificate) -> None: + """ + This method verifies that certificate issuer name matches the + issuer subject name and that the certificate is signed by the + issuer's private key. No other validation is performed. + """ + + +# Runtime isinstance checks need this since the rust class is not a subclass. +Certificate.register(rust_x509.Certificate) + + +class RevokedCertificate(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def serial_number(self) -> int: + """ + Returns the serial number of the revoked certificate. + """ + + @property + @abc.abstractmethod + def revocation_date(self) -> datetime.datetime: + """ + Returns the date of when this certificate was revoked. + """ + + @property + @abc.abstractmethod + def extensions(self) -> Extensions: + """ + Returns an Extensions object containing a list of Revoked extensions. + """ + + +# Runtime isinstance checks need this since the rust class is not a subclass. +RevokedCertificate.register(rust_x509.RevokedCertificate) + + +class _RawRevokedCertificate(RevokedCertificate): + def __init__( + self, + serial_number: int, + revocation_date: datetime.datetime, + extensions: Extensions, + ): + self._serial_number = serial_number + self._revocation_date = revocation_date + self._extensions = extensions + + @property + def serial_number(self) -> int: + return self._serial_number + + @property + def revocation_date(self) -> datetime.datetime: + return self._revocation_date + + @property + def extensions(self) -> Extensions: + return self._extensions + + +class CertificateRevocationList(metaclass=abc.ABCMeta): + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the CRL to PEM or DER format. + """ + + @abc.abstractmethod + def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: + """ + Returns bytes using digest passed. + """ + + @abc.abstractmethod + def get_revoked_certificate_by_serial_number( + self, serial_number: int + ) -> typing.Optional[RevokedCertificate]: + """ + Returns an instance of RevokedCertificate or None if the serial_number + is not in the CRL. + """ + + @property + @abc.abstractmethod + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + in the certificate. + """ + + @property + @abc.abstractmethod + def signature_algorithm_oid(self) -> ObjectIdentifier: + """ + Returns the ObjectIdentifier of the signature algorithm. + """ + + @property + @abc.abstractmethod + def issuer(self) -> Name: + """ + Returns the X509Name with the issuer of this CRL. + """ + + @property + @abc.abstractmethod + def next_update(self) -> typing.Optional[datetime.datetime]: + """ + Returns the date of next update for this CRL. + """ + + @property + @abc.abstractmethod + def last_update(self) -> datetime.datetime: + """ + Returns the date of last update for this CRL. + """ + + @property + @abc.abstractmethod + def extensions(self) -> Extensions: + """ + Returns an Extensions object containing a list of CRL extensions. + """ + + @property + @abc.abstractmethod + def signature(self) -> bytes: + """ + Returns the signature bytes. + """ + + @property + @abc.abstractmethod + def tbs_certlist_bytes(self) -> bytes: + """ + Returns the tbsCertList payload bytes as defined in RFC 5280. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + @abc.abstractmethod + def __len__(self) -> int: + """ + Number of revoked certificates in the CRL. + """ + + @typing.overload + def __getitem__(self, idx: int) -> RevokedCertificate: + ... + + @typing.overload + def __getitem__(self, idx: slice) -> typing.List[RevokedCertificate]: + ... + + @abc.abstractmethod + def __getitem__( + self, idx: typing.Union[int, slice] + ) -> typing.Union[RevokedCertificate, typing.List[RevokedCertificate]]: + """ + Returns a revoked certificate (or slice of revoked certificates). + """ + + @abc.abstractmethod + def __iter__(self) -> typing.Iterator[RevokedCertificate]: + """ + Iterator over the revoked certificates + """ + + @abc.abstractmethod + def is_signature_valid( + self, public_key: CertificateIssuerPublicKeyTypes + ) -> bool: + """ + Verifies signature of revocation list against given public key. + """ + + +CertificateRevocationList.register(rust_x509.CertificateRevocationList) + + +class CertificateSigningRequest(metaclass=abc.ABCMeta): + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + @abc.abstractmethod + def __hash__(self) -> int: + """ + Computes a hash. + """ + + @abc.abstractmethod + def public_key(self) -> CertificatePublicKeyTypes: + """ + Returns the public key + """ + + @property + @abc.abstractmethod + def subject(self) -> Name: + """ + Returns the subject name object. + """ + + @property + @abc.abstractmethod + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + in the certificate. + """ + + @property + @abc.abstractmethod + def signature_algorithm_oid(self) -> ObjectIdentifier: + """ + Returns the ObjectIdentifier of the signature algorithm. + """ + + @property + @abc.abstractmethod + def extensions(self) -> Extensions: + """ + Returns the extensions in the signing request. + """ + + @property + @abc.abstractmethod + def attributes(self) -> Attributes: + """ + Returns an Attributes object. + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Encodes the request to PEM or DER format. + """ + + @property + @abc.abstractmethod + def signature(self) -> bytes: + """ + Returns the signature bytes. + """ + + @property + @abc.abstractmethod + def tbs_certrequest_bytes(self) -> bytes: + """ + Returns the PKCS#10 CertificationRequestInfo bytes as defined in RFC + 2986. + """ + + @property + @abc.abstractmethod + def is_signature_valid(self) -> bool: + """ + Verifies signature of signing request. + """ + + @abc.abstractmethod + def get_attribute_for_oid(self, oid: ObjectIdentifier) -> bytes: + """ + Get the attribute value for a given OID. + """ + + +# Runtime isinstance checks need this since the rust class is not a subclass. +CertificateSigningRequest.register(rust_x509.CertificateSigningRequest) + + +# Backend argument preserved for API compatibility, but ignored. +def load_pem_x509_certificate( + data: bytes, backend: typing.Any = None +) -> Certificate: + return rust_x509.load_pem_x509_certificate(data) + + +def load_pem_x509_certificates(data: bytes) -> typing.List[Certificate]: + return rust_x509.load_pem_x509_certificates(data) + + +# Backend argument preserved for API compatibility, but ignored. +def load_der_x509_certificate( + data: bytes, backend: typing.Any = None +) -> Certificate: + return rust_x509.load_der_x509_certificate(data) + + +# Backend argument preserved for API compatibility, but ignored. +def load_pem_x509_csr( + data: bytes, backend: typing.Any = None +) -> CertificateSigningRequest: + return rust_x509.load_pem_x509_csr(data) + + +# Backend argument preserved for API compatibility, but ignored. +def load_der_x509_csr( + data: bytes, backend: typing.Any = None +) -> CertificateSigningRequest: + return rust_x509.load_der_x509_csr(data) + + +# Backend argument preserved for API compatibility, but ignored. +def load_pem_x509_crl( + data: bytes, backend: typing.Any = None +) -> CertificateRevocationList: + return rust_x509.load_pem_x509_crl(data) + + +# Backend argument preserved for API compatibility, but ignored. +def load_der_x509_crl( + data: bytes, backend: typing.Any = None +) -> CertificateRevocationList: + return rust_x509.load_der_x509_crl(data) + + +class CertificateSigningRequestBuilder: + def __init__( + self, + subject_name: typing.Optional[Name] = None, + extensions: typing.List[Extension[ExtensionType]] = [], + attributes: typing.List[ + typing.Tuple[ObjectIdentifier, bytes, typing.Optional[int]] + ] = [], + ): + """ + Creates an empty X.509 certificate request (v1). + """ + self._subject_name = subject_name + self._extensions = extensions + self._attributes = attributes + + def subject_name(self, name: Name) -> CertificateSigningRequestBuilder: + """ + Sets the certificate requestor's distinguished name. + """ + if not isinstance(name, Name): + raise TypeError("Expecting x509.Name object.") + if self._subject_name is not None: + raise ValueError("The subject name may only be set once.") + return CertificateSigningRequestBuilder( + name, self._extensions, self._attributes + ) + + def add_extension( + self, extval: ExtensionType, critical: bool + ) -> CertificateSigningRequestBuilder: + """ + Adds an X.509 extension to the certificate request. + """ + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return CertificateSigningRequestBuilder( + self._subject_name, + self._extensions + [extension], + self._attributes, + ) + + def add_attribute( + self, + oid: ObjectIdentifier, + value: bytes, + *, + _tag: typing.Optional[_ASN1Type] = None, + ) -> CertificateSigningRequestBuilder: + """ + Adds an X.509 attribute with an OID and associated value. + """ + if not isinstance(oid, ObjectIdentifier): + raise TypeError("oid must be an ObjectIdentifier") + + if not isinstance(value, bytes): + raise TypeError("value must be bytes") + + if _tag is not None and not isinstance(_tag, _ASN1Type): + raise TypeError("tag must be _ASN1Type") + + _reject_duplicate_attribute(oid, self._attributes) + + if _tag is not None: + tag = _tag.value + else: + tag = None + + return CertificateSigningRequestBuilder( + self._subject_name, + self._extensions, + self._attributes + [(oid, value, tag)], + ) + + def sign( + self, + private_key: CertificateIssuerPrivateKeyTypes, + algorithm: typing.Optional[_AllowedHashTypes], + backend: typing.Any = None, + ) -> CertificateSigningRequest: + """ + Signs the request using the requestor's private key. + """ + if self._subject_name is None: + raise ValueError("A CertificateSigningRequest must have a subject") + return rust_x509.create_x509_csr(self, private_key, algorithm) + + +class CertificateBuilder: + _extensions: typing.List[Extension[ExtensionType]] + + def __init__( + self, + issuer_name: typing.Optional[Name] = None, + subject_name: typing.Optional[Name] = None, + public_key: typing.Optional[CertificatePublicKeyTypes] = None, + serial_number: typing.Optional[int] = None, + not_valid_before: typing.Optional[datetime.datetime] = None, + not_valid_after: typing.Optional[datetime.datetime] = None, + extensions: typing.List[Extension[ExtensionType]] = [], + ) -> None: + self._version = Version.v3 + self._issuer_name = issuer_name + self._subject_name = subject_name + self._public_key = public_key + self._serial_number = serial_number + self._not_valid_before = not_valid_before + self._not_valid_after = not_valid_after + self._extensions = extensions + + def issuer_name(self, name: Name) -> CertificateBuilder: + """ + Sets the CA's distinguished name. + """ + if not isinstance(name, Name): + raise TypeError("Expecting x509.Name object.") + if self._issuer_name is not None: + raise ValueError("The issuer name may only be set once.") + return CertificateBuilder( + name, + self._subject_name, + self._public_key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def subject_name(self, name: Name) -> CertificateBuilder: + """ + Sets the requestor's distinguished name. + """ + if not isinstance(name, Name): + raise TypeError("Expecting x509.Name object.") + if self._subject_name is not None: + raise ValueError("The subject name may only be set once.") + return CertificateBuilder( + self._issuer_name, + name, + self._public_key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def public_key( + self, + key: CertificatePublicKeyTypes, + ) -> CertificateBuilder: + """ + Sets the requestor's public key (as found in the signing request). + """ + if not isinstance( + key, + ( + dsa.DSAPublicKey, + rsa.RSAPublicKey, + ec.EllipticCurvePublicKey, + ed25519.Ed25519PublicKey, + ed448.Ed448PublicKey, + x25519.X25519PublicKey, + x448.X448PublicKey, + ), + ): + raise TypeError( + "Expecting one of DSAPublicKey, RSAPublicKey," + " EllipticCurvePublicKey, Ed25519PublicKey," + " Ed448PublicKey, X25519PublicKey, or " + "X448PublicKey." + ) + if self._public_key is not None: + raise ValueError("The public key may only be set once.") + return CertificateBuilder( + self._issuer_name, + self._subject_name, + key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def serial_number(self, number: int) -> CertificateBuilder: + """ + Sets the certificate serial number. + """ + if not isinstance(number, int): + raise TypeError("Serial number must be of integral type.") + if self._serial_number is not None: + raise ValueError("The serial number may only be set once.") + if number <= 0: + raise ValueError("The serial number should be positive.") + + # ASN.1 integers are always signed, so most significant bit must be + # zero. + if number.bit_length() >= 160: # As defined in RFC 5280 + raise ValueError( + "The serial number should not be more than 159 " "bits." + ) + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def not_valid_before(self, time: datetime.datetime) -> CertificateBuilder: + """ + Sets the certificate activation time. + """ + if not isinstance(time, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._not_valid_before is not None: + raise ValueError("The not valid before may only be set once.") + time = _convert_to_naive_utc_time(time) + if time < _EARLIEST_UTC_TIME: + raise ValueError( + "The not valid before date must be on or after" + " 1950 January 1)." + ) + if self._not_valid_after is not None and time > self._not_valid_after: + raise ValueError( + "The not valid before date must be before the not valid after " + "date." + ) + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + self._serial_number, + time, + self._not_valid_after, + self._extensions, + ) + + def not_valid_after(self, time: datetime.datetime) -> CertificateBuilder: + """ + Sets the certificate expiration time. + """ + if not isinstance(time, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._not_valid_after is not None: + raise ValueError("The not valid after may only be set once.") + time = _convert_to_naive_utc_time(time) + if time < _EARLIEST_UTC_TIME: + raise ValueError( + "The not valid after date must be on or after" + " 1950 January 1." + ) + if ( + self._not_valid_before is not None + and time < self._not_valid_before + ): + raise ValueError( + "The not valid after date must be after the not valid before " + "date." + ) + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + self._serial_number, + self._not_valid_before, + time, + self._extensions, + ) + + def add_extension( + self, extval: ExtensionType, critical: bool + ) -> CertificateBuilder: + """ + Adds an X.509 extension to the certificate. + """ + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions + [extension], + ) + + def sign( + self, + private_key: CertificateIssuerPrivateKeyTypes, + algorithm: typing.Optional[_AllowedHashTypes], + backend: typing.Any = None, + *, + rsa_padding: typing.Optional[ + typing.Union[padding.PSS, padding.PKCS1v15] + ] = None, + ) -> Certificate: + """ + Signs the certificate using the CA's private key. + """ + if self._subject_name is None: + raise ValueError("A certificate must have a subject name") + + if self._issuer_name is None: + raise ValueError("A certificate must have an issuer name") + + if self._serial_number is None: + raise ValueError("A certificate must have a serial number") + + if self._not_valid_before is None: + raise ValueError("A certificate must have a not valid before time") + + if self._not_valid_after is None: + raise ValueError("A certificate must have a not valid after time") + + if self._public_key is None: + raise ValueError("A certificate must have a public key") + + if rsa_padding is not None: + if not isinstance(rsa_padding, (padding.PSS, padding.PKCS1v15)): + raise TypeError("Padding must be PSS or PKCS1v15") + if not isinstance(private_key, rsa.RSAPrivateKey): + raise TypeError("Padding is only supported for RSA keys") + + return rust_x509.create_x509_certificate( + self, private_key, algorithm, rsa_padding + ) + + +class CertificateRevocationListBuilder: + _extensions: typing.List[Extension[ExtensionType]] + _revoked_certificates: typing.List[RevokedCertificate] + + def __init__( + self, + issuer_name: typing.Optional[Name] = None, + last_update: typing.Optional[datetime.datetime] = None, + next_update: typing.Optional[datetime.datetime] = None, + extensions: typing.List[Extension[ExtensionType]] = [], + revoked_certificates: typing.List[RevokedCertificate] = [], + ): + self._issuer_name = issuer_name + self._last_update = last_update + self._next_update = next_update + self._extensions = extensions + self._revoked_certificates = revoked_certificates + + def issuer_name( + self, issuer_name: Name + ) -> CertificateRevocationListBuilder: + if not isinstance(issuer_name, Name): + raise TypeError("Expecting x509.Name object.") + if self._issuer_name is not None: + raise ValueError("The issuer name may only be set once.") + return CertificateRevocationListBuilder( + issuer_name, + self._last_update, + self._next_update, + self._extensions, + self._revoked_certificates, + ) + + def last_update( + self, last_update: datetime.datetime + ) -> CertificateRevocationListBuilder: + if not isinstance(last_update, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._last_update is not None: + raise ValueError("Last update may only be set once.") + last_update = _convert_to_naive_utc_time(last_update) + if last_update < _EARLIEST_UTC_TIME: + raise ValueError( + "The last update date must be on or after" " 1950 January 1." + ) + if self._next_update is not None and last_update > self._next_update: + raise ValueError( + "The last update date must be before the next update date." + ) + return CertificateRevocationListBuilder( + self._issuer_name, + last_update, + self._next_update, + self._extensions, + self._revoked_certificates, + ) + + def next_update( + self, next_update: datetime.datetime + ) -> CertificateRevocationListBuilder: + if not isinstance(next_update, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._next_update is not None: + raise ValueError("Last update may only be set once.") + next_update = _convert_to_naive_utc_time(next_update) + if next_update < _EARLIEST_UTC_TIME: + raise ValueError( + "The last update date must be on or after" " 1950 January 1." + ) + if self._last_update is not None and next_update < self._last_update: + raise ValueError( + "The next update date must be after the last update date." + ) + return CertificateRevocationListBuilder( + self._issuer_name, + self._last_update, + next_update, + self._extensions, + self._revoked_certificates, + ) + + def add_extension( + self, extval: ExtensionType, critical: bool + ) -> CertificateRevocationListBuilder: + """ + Adds an X.509 extension to the certificate revocation list. + """ + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + return CertificateRevocationListBuilder( + self._issuer_name, + self._last_update, + self._next_update, + self._extensions + [extension], + self._revoked_certificates, + ) + + def add_revoked_certificate( + self, revoked_certificate: RevokedCertificate + ) -> CertificateRevocationListBuilder: + """ + Adds a revoked certificate to the CRL. + """ + if not isinstance(revoked_certificate, RevokedCertificate): + raise TypeError("Must be an instance of RevokedCertificate") + + return CertificateRevocationListBuilder( + self._issuer_name, + self._last_update, + self._next_update, + self._extensions, + self._revoked_certificates + [revoked_certificate], + ) + + def sign( + self, + private_key: CertificateIssuerPrivateKeyTypes, + algorithm: typing.Optional[_AllowedHashTypes], + backend: typing.Any = None, + ) -> CertificateRevocationList: + if self._issuer_name is None: + raise ValueError("A CRL must have an issuer name") + + if self._last_update is None: + raise ValueError("A CRL must have a last update time") + + if self._next_update is None: + raise ValueError("A CRL must have a next update time") + + return rust_x509.create_x509_crl(self, private_key, algorithm) + + +class RevokedCertificateBuilder: + def __init__( + self, + serial_number: typing.Optional[int] = None, + revocation_date: typing.Optional[datetime.datetime] = None, + extensions: typing.List[Extension[ExtensionType]] = [], + ): + self._serial_number = serial_number + self._revocation_date = revocation_date + self._extensions = extensions + + def serial_number(self, number: int) -> RevokedCertificateBuilder: + if not isinstance(number, int): + raise TypeError("Serial number must be of integral type.") + if self._serial_number is not None: + raise ValueError("The serial number may only be set once.") + if number <= 0: + raise ValueError("The serial number should be positive") + + # ASN.1 integers are always signed, so most significant bit must be + # zero. + if number.bit_length() >= 160: # As defined in RFC 5280 + raise ValueError( + "The serial number should not be more than 159 " "bits." + ) + return RevokedCertificateBuilder( + number, self._revocation_date, self._extensions + ) + + def revocation_date( + self, time: datetime.datetime + ) -> RevokedCertificateBuilder: + if not isinstance(time, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._revocation_date is not None: + raise ValueError("The revocation date may only be set once.") + time = _convert_to_naive_utc_time(time) + if time < _EARLIEST_UTC_TIME: + raise ValueError( + "The revocation date must be on or after" " 1950 January 1." + ) + return RevokedCertificateBuilder( + self._serial_number, time, self._extensions + ) + + def add_extension( + self, extval: ExtensionType, critical: bool + ) -> RevokedCertificateBuilder: + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + return RevokedCertificateBuilder( + self._serial_number, + self._revocation_date, + self._extensions + [extension], + ) + + def build(self, backend: typing.Any = None) -> RevokedCertificate: + if self._serial_number is None: + raise ValueError("A revoked certificate must have a serial number") + if self._revocation_date is None: + raise ValueError( + "A revoked certificate must have a revocation date" + ) + return _RawRevokedCertificate( + self._serial_number, + self._revocation_date, + Extensions(self._extensions), + ) + + +def random_serial_number() -> int: + return int.from_bytes(os.urandom(20), "big") >> 1 diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/certificate_transparency.py b/venv/lib/python3.12/site-packages/cryptography/x509/certificate_transparency.py new file mode 100644 index 0000000..73647ee --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/x509/certificate_transparency.py @@ -0,0 +1,97 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import datetime + +from cryptography import utils +from cryptography.hazmat.bindings._rust import x509 as rust_x509 +from cryptography.hazmat.primitives.hashes import HashAlgorithm + + +class LogEntryType(utils.Enum): + X509_CERTIFICATE = 0 + PRE_CERTIFICATE = 1 + + +class Version(utils.Enum): + v1 = 0 + + +class SignatureAlgorithm(utils.Enum): + """ + Signature algorithms that are valid for SCTs. + + These are exactly the same as SignatureAlgorithm in RFC 5246 (TLS 1.2). + + See: + """ + + ANONYMOUS = 0 + RSA = 1 + DSA = 2 + ECDSA = 3 + + +class SignedCertificateTimestamp(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def version(self) -> Version: + """ + Returns the SCT version. + """ + + @property + @abc.abstractmethod + def log_id(self) -> bytes: + """ + Returns an identifier indicating which log this SCT is for. + """ + + @property + @abc.abstractmethod + def timestamp(self) -> datetime.datetime: + """ + Returns the timestamp for this SCT. + """ + + @property + @abc.abstractmethod + def entry_type(self) -> LogEntryType: + """ + Returns whether this is an SCT for a certificate or pre-certificate. + """ + + @property + @abc.abstractmethod + def signature_hash_algorithm(self) -> HashAlgorithm: + """ + Returns the hash algorithm used for the SCT's signature. + """ + + @property + @abc.abstractmethod + def signature_algorithm(self) -> SignatureAlgorithm: + """ + Returns the signing algorithm used for the SCT's signature. + """ + + @property + @abc.abstractmethod + def signature(self) -> bytes: + """ + Returns the signature for this SCT. + """ + + @property + @abc.abstractmethod + def extension_bytes(self) -> bytes: + """ + Returns the raw bytes of any extensions for this SCT. + """ + + +SignedCertificateTimestamp.register(rust_x509.Sct) diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/extensions.py b/venv/lib/python3.12/site-packages/cryptography/x509/extensions.py new file mode 100644 index 0000000..ac99592 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/x509/extensions.py @@ -0,0 +1,2215 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import datetime +import hashlib +import ipaddress +import typing + +from cryptography import utils +from cryptography.hazmat.bindings._rust import asn1 +from cryptography.hazmat.bindings._rust import x509 as rust_x509 +from cryptography.hazmat.primitives import constant_time, serialization +from cryptography.hazmat.primitives.asymmetric.ec import EllipticCurvePublicKey +from cryptography.hazmat.primitives.asymmetric.rsa import RSAPublicKey +from cryptography.hazmat.primitives.asymmetric.types import ( + CertificateIssuerPublicKeyTypes, + CertificatePublicKeyTypes, +) +from cryptography.x509.certificate_transparency import ( + SignedCertificateTimestamp, +) +from cryptography.x509.general_name import ( + DirectoryName, + DNSName, + GeneralName, + IPAddress, + OtherName, + RegisteredID, + RFC822Name, + UniformResourceIdentifier, + _IPAddressTypes, +) +from cryptography.x509.name import Name, RelativeDistinguishedName +from cryptography.x509.oid import ( + CRLEntryExtensionOID, + ExtensionOID, + ObjectIdentifier, + OCSPExtensionOID, +) + +ExtensionTypeVar = typing.TypeVar( + "ExtensionTypeVar", bound="ExtensionType", covariant=True +) + + +def _key_identifier_from_public_key( + public_key: CertificatePublicKeyTypes, +) -> bytes: + if isinstance(public_key, RSAPublicKey): + data = public_key.public_bytes( + serialization.Encoding.DER, + serialization.PublicFormat.PKCS1, + ) + elif isinstance(public_key, EllipticCurvePublicKey): + data = public_key.public_bytes( + serialization.Encoding.X962, + serialization.PublicFormat.UncompressedPoint, + ) + else: + # This is a very slow way to do this. + serialized = public_key.public_bytes( + serialization.Encoding.DER, + serialization.PublicFormat.SubjectPublicKeyInfo, + ) + data = asn1.parse_spki_for_data(serialized) + + return hashlib.sha1(data).digest() + + +def _make_sequence_methods(field_name: str): + def len_method(self) -> int: + return len(getattr(self, field_name)) + + def iter_method(self): + return iter(getattr(self, field_name)) + + def getitem_method(self, idx): + return getattr(self, field_name)[idx] + + return len_method, iter_method, getitem_method + + +class DuplicateExtension(Exception): + def __init__(self, msg: str, oid: ObjectIdentifier) -> None: + super().__init__(msg) + self.oid = oid + + +class ExtensionNotFound(Exception): + def __init__(self, msg: str, oid: ObjectIdentifier) -> None: + super().__init__(msg) + self.oid = oid + + +class ExtensionType(metaclass=abc.ABCMeta): + oid: typing.ClassVar[ObjectIdentifier] + + def public_bytes(self) -> bytes: + """ + Serializes the extension type to DER. + """ + raise NotImplementedError( + "public_bytes is not implemented for extension type {!r}".format( + self + ) + ) + + +class Extensions: + def __init__( + self, extensions: typing.Iterable[Extension[ExtensionType]] + ) -> None: + self._extensions = list(extensions) + + def get_extension_for_oid( + self, oid: ObjectIdentifier + ) -> Extension[ExtensionType]: + for ext in self: + if ext.oid == oid: + return ext + + raise ExtensionNotFound(f"No {oid} extension was found", oid) + + def get_extension_for_class( + self, extclass: typing.Type[ExtensionTypeVar] + ) -> Extension[ExtensionTypeVar]: + if extclass is UnrecognizedExtension: + raise TypeError( + "UnrecognizedExtension can't be used with " + "get_extension_for_class because more than one instance of the" + " class may be present." + ) + + for ext in self: + if isinstance(ext.value, extclass): + return ext + + raise ExtensionNotFound( + f"No {extclass} extension was found", extclass.oid + ) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_extensions") + + def __repr__(self) -> str: + return f"" + + +class CRLNumber(ExtensionType): + oid = ExtensionOID.CRL_NUMBER + + def __init__(self, crl_number: int) -> None: + if not isinstance(crl_number, int): + raise TypeError("crl_number must be an integer") + + self._crl_number = crl_number + + def __eq__(self, other: object) -> bool: + if not isinstance(other, CRLNumber): + return NotImplemented + + return self.crl_number == other.crl_number + + def __hash__(self) -> int: + return hash(self.crl_number) + + def __repr__(self) -> str: + return f"" + + @property + def crl_number(self) -> int: + return self._crl_number + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class AuthorityKeyIdentifier(ExtensionType): + oid = ExtensionOID.AUTHORITY_KEY_IDENTIFIER + + def __init__( + self, + key_identifier: typing.Optional[bytes], + authority_cert_issuer: typing.Optional[typing.Iterable[GeneralName]], + authority_cert_serial_number: typing.Optional[int], + ) -> None: + if (authority_cert_issuer is None) != ( + authority_cert_serial_number is None + ): + raise ValueError( + "authority_cert_issuer and authority_cert_serial_number " + "must both be present or both None" + ) + + if authority_cert_issuer is not None: + authority_cert_issuer = list(authority_cert_issuer) + if not all( + isinstance(x, GeneralName) for x in authority_cert_issuer + ): + raise TypeError( + "authority_cert_issuer must be a list of GeneralName " + "objects" + ) + + if authority_cert_serial_number is not None and not isinstance( + authority_cert_serial_number, int + ): + raise TypeError("authority_cert_serial_number must be an integer") + + self._key_identifier = key_identifier + self._authority_cert_issuer = authority_cert_issuer + self._authority_cert_serial_number = authority_cert_serial_number + + # This takes a subset of CertificatePublicKeyTypes because an issuer + # cannot have an X25519/X448 key. This introduces some unfortunate + # asymmetry that requires typing users to explicitly + # narrow their type, but we should make this accurate and not just + # convenient. + @classmethod + def from_issuer_public_key( + cls, public_key: CertificateIssuerPublicKeyTypes + ) -> AuthorityKeyIdentifier: + digest = _key_identifier_from_public_key(public_key) + return cls( + key_identifier=digest, + authority_cert_issuer=None, + authority_cert_serial_number=None, + ) + + @classmethod + def from_issuer_subject_key_identifier( + cls, ski: SubjectKeyIdentifier + ) -> AuthorityKeyIdentifier: + return cls( + key_identifier=ski.digest, + authority_cert_issuer=None, + authority_cert_serial_number=None, + ) + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, AuthorityKeyIdentifier): + return NotImplemented + + return ( + self.key_identifier == other.key_identifier + and self.authority_cert_issuer == other.authority_cert_issuer + and self.authority_cert_serial_number + == other.authority_cert_serial_number + ) + + def __hash__(self) -> int: + if self.authority_cert_issuer is None: + aci = None + else: + aci = tuple(self.authority_cert_issuer) + return hash( + (self.key_identifier, aci, self.authority_cert_serial_number) + ) + + @property + def key_identifier(self) -> typing.Optional[bytes]: + return self._key_identifier + + @property + def authority_cert_issuer( + self, + ) -> typing.Optional[typing.List[GeneralName]]: + return self._authority_cert_issuer + + @property + def authority_cert_serial_number(self) -> typing.Optional[int]: + return self._authority_cert_serial_number + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class SubjectKeyIdentifier(ExtensionType): + oid = ExtensionOID.SUBJECT_KEY_IDENTIFIER + + def __init__(self, digest: bytes) -> None: + self._digest = digest + + @classmethod + def from_public_key( + cls, public_key: CertificatePublicKeyTypes + ) -> SubjectKeyIdentifier: + return cls(_key_identifier_from_public_key(public_key)) + + @property + def digest(self) -> bytes: + return self._digest + + @property + def key_identifier(self) -> bytes: + return self._digest + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, SubjectKeyIdentifier): + return NotImplemented + + return constant_time.bytes_eq(self.digest, other.digest) + + def __hash__(self) -> int: + return hash(self.digest) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class AuthorityInformationAccess(ExtensionType): + oid = ExtensionOID.AUTHORITY_INFORMATION_ACCESS + + def __init__( + self, descriptions: typing.Iterable[AccessDescription] + ) -> None: + descriptions = list(descriptions) + if not all(isinstance(x, AccessDescription) for x in descriptions): + raise TypeError( + "Every item in the descriptions list must be an " + "AccessDescription" + ) + + self._descriptions = descriptions + + __len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions") + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, AuthorityInformationAccess): + return NotImplemented + + return self._descriptions == other._descriptions + + def __hash__(self) -> int: + return hash(tuple(self._descriptions)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class SubjectInformationAccess(ExtensionType): + oid = ExtensionOID.SUBJECT_INFORMATION_ACCESS + + def __init__( + self, descriptions: typing.Iterable[AccessDescription] + ) -> None: + descriptions = list(descriptions) + if not all(isinstance(x, AccessDescription) for x in descriptions): + raise TypeError( + "Every item in the descriptions list must be an " + "AccessDescription" + ) + + self._descriptions = descriptions + + __len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions") + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, SubjectInformationAccess): + return NotImplemented + + return self._descriptions == other._descriptions + + def __hash__(self) -> int: + return hash(tuple(self._descriptions)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class AccessDescription: + def __init__( + self, access_method: ObjectIdentifier, access_location: GeneralName + ) -> None: + if not isinstance(access_method, ObjectIdentifier): + raise TypeError("access_method must be an ObjectIdentifier") + + if not isinstance(access_location, GeneralName): + raise TypeError("access_location must be a GeneralName") + + self._access_method = access_method + self._access_location = access_location + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, AccessDescription): + return NotImplemented + + return ( + self.access_method == other.access_method + and self.access_location == other.access_location + ) + + def __hash__(self) -> int: + return hash((self.access_method, self.access_location)) + + @property + def access_method(self) -> ObjectIdentifier: + return self._access_method + + @property + def access_location(self) -> GeneralName: + return self._access_location + + +class BasicConstraints(ExtensionType): + oid = ExtensionOID.BASIC_CONSTRAINTS + + def __init__(self, ca: bool, path_length: typing.Optional[int]) -> None: + if not isinstance(ca, bool): + raise TypeError("ca must be a boolean value") + + if path_length is not None and not ca: + raise ValueError("path_length must be None when ca is False") + + if path_length is not None and ( + not isinstance(path_length, int) or path_length < 0 + ): + raise TypeError( + "path_length must be a non-negative integer or None" + ) + + self._ca = ca + self._path_length = path_length + + @property + def ca(self) -> bool: + return self._ca + + @property + def path_length(self) -> typing.Optional[int]: + return self._path_length + + def __repr__(self) -> str: + return ( + "" + ).format(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, BasicConstraints): + return NotImplemented + + return self.ca == other.ca and self.path_length == other.path_length + + def __hash__(self) -> int: + return hash((self.ca, self.path_length)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class DeltaCRLIndicator(ExtensionType): + oid = ExtensionOID.DELTA_CRL_INDICATOR + + def __init__(self, crl_number: int) -> None: + if not isinstance(crl_number, int): + raise TypeError("crl_number must be an integer") + + self._crl_number = crl_number + + @property + def crl_number(self) -> int: + return self._crl_number + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DeltaCRLIndicator): + return NotImplemented + + return self.crl_number == other.crl_number + + def __hash__(self) -> int: + return hash(self.crl_number) + + def __repr__(self) -> str: + return f"" + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class CRLDistributionPoints(ExtensionType): + oid = ExtensionOID.CRL_DISTRIBUTION_POINTS + + def __init__( + self, distribution_points: typing.Iterable[DistributionPoint] + ) -> None: + distribution_points = list(distribution_points) + if not all( + isinstance(x, DistributionPoint) for x in distribution_points + ): + raise TypeError( + "distribution_points must be a list of DistributionPoint " + "objects" + ) + + self._distribution_points = distribution_points + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_distribution_points" + ) + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, CRLDistributionPoints): + return NotImplemented + + return self._distribution_points == other._distribution_points + + def __hash__(self) -> int: + return hash(tuple(self._distribution_points)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class FreshestCRL(ExtensionType): + oid = ExtensionOID.FRESHEST_CRL + + def __init__( + self, distribution_points: typing.Iterable[DistributionPoint] + ) -> None: + distribution_points = list(distribution_points) + if not all( + isinstance(x, DistributionPoint) for x in distribution_points + ): + raise TypeError( + "distribution_points must be a list of DistributionPoint " + "objects" + ) + + self._distribution_points = distribution_points + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_distribution_points" + ) + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, FreshestCRL): + return NotImplemented + + return self._distribution_points == other._distribution_points + + def __hash__(self) -> int: + return hash(tuple(self._distribution_points)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class DistributionPoint: + def __init__( + self, + full_name: typing.Optional[typing.Iterable[GeneralName]], + relative_name: typing.Optional[RelativeDistinguishedName], + reasons: typing.Optional[typing.FrozenSet[ReasonFlags]], + crl_issuer: typing.Optional[typing.Iterable[GeneralName]], + ) -> None: + if full_name and relative_name: + raise ValueError( + "You cannot provide both full_name and relative_name, at " + "least one must be None." + ) + if not full_name and not relative_name and not crl_issuer: + raise ValueError( + "Either full_name, relative_name or crl_issuer must be " + "provided." + ) + + if full_name is not None: + full_name = list(full_name) + if not all(isinstance(x, GeneralName) for x in full_name): + raise TypeError( + "full_name must be a list of GeneralName objects" + ) + + if relative_name: + if not isinstance(relative_name, RelativeDistinguishedName): + raise TypeError( + "relative_name must be a RelativeDistinguishedName" + ) + + if crl_issuer is not None: + crl_issuer = list(crl_issuer) + if not all(isinstance(x, GeneralName) for x in crl_issuer): + raise TypeError( + "crl_issuer must be None or a list of general names" + ) + + if reasons and ( + not isinstance(reasons, frozenset) + or not all(isinstance(x, ReasonFlags) for x in reasons) + ): + raise TypeError("reasons must be None or frozenset of ReasonFlags") + + if reasons and ( + ReasonFlags.unspecified in reasons + or ReasonFlags.remove_from_crl in reasons + ): + raise ValueError( + "unspecified and remove_from_crl are not valid reasons in a " + "DistributionPoint" + ) + + self._full_name = full_name + self._relative_name = relative_name + self._reasons = reasons + self._crl_issuer = crl_issuer + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DistributionPoint): + return NotImplemented + + return ( + self.full_name == other.full_name + and self.relative_name == other.relative_name + and self.reasons == other.reasons + and self.crl_issuer == other.crl_issuer + ) + + def __hash__(self) -> int: + if self.full_name is not None: + fn: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple( + self.full_name + ) + else: + fn = None + + if self.crl_issuer is not None: + crl_issuer: typing.Optional[ + typing.Tuple[GeneralName, ...] + ] = tuple(self.crl_issuer) + else: + crl_issuer = None + + return hash((fn, self.relative_name, self.reasons, crl_issuer)) + + @property + def full_name(self) -> typing.Optional[typing.List[GeneralName]]: + return self._full_name + + @property + def relative_name(self) -> typing.Optional[RelativeDistinguishedName]: + return self._relative_name + + @property + def reasons(self) -> typing.Optional[typing.FrozenSet[ReasonFlags]]: + return self._reasons + + @property + def crl_issuer(self) -> typing.Optional[typing.List[GeneralName]]: + return self._crl_issuer + + +class ReasonFlags(utils.Enum): + unspecified = "unspecified" + key_compromise = "keyCompromise" + ca_compromise = "cACompromise" + affiliation_changed = "affiliationChanged" + superseded = "superseded" + cessation_of_operation = "cessationOfOperation" + certificate_hold = "certificateHold" + privilege_withdrawn = "privilegeWithdrawn" + aa_compromise = "aACompromise" + remove_from_crl = "removeFromCRL" + + +# These are distribution point bit string mappings. Not to be confused with +# CRLReason reason flags bit string mappings. +# ReasonFlags ::= BIT STRING { +# unused (0), +# keyCompromise (1), +# cACompromise (2), +# affiliationChanged (3), +# superseded (4), +# cessationOfOperation (5), +# certificateHold (6), +# privilegeWithdrawn (7), +# aACompromise (8) } +_REASON_BIT_MAPPING = { + 1: ReasonFlags.key_compromise, + 2: ReasonFlags.ca_compromise, + 3: ReasonFlags.affiliation_changed, + 4: ReasonFlags.superseded, + 5: ReasonFlags.cessation_of_operation, + 6: ReasonFlags.certificate_hold, + 7: ReasonFlags.privilege_withdrawn, + 8: ReasonFlags.aa_compromise, +} + +_CRLREASONFLAGS = { + ReasonFlags.key_compromise: 1, + ReasonFlags.ca_compromise: 2, + ReasonFlags.affiliation_changed: 3, + ReasonFlags.superseded: 4, + ReasonFlags.cessation_of_operation: 5, + ReasonFlags.certificate_hold: 6, + ReasonFlags.privilege_withdrawn: 7, + ReasonFlags.aa_compromise: 8, +} + + +class PolicyConstraints(ExtensionType): + oid = ExtensionOID.POLICY_CONSTRAINTS + + def __init__( + self, + require_explicit_policy: typing.Optional[int], + inhibit_policy_mapping: typing.Optional[int], + ) -> None: + if require_explicit_policy is not None and not isinstance( + require_explicit_policy, int + ): + raise TypeError( + "require_explicit_policy must be a non-negative integer or " + "None" + ) + + if inhibit_policy_mapping is not None and not isinstance( + inhibit_policy_mapping, int + ): + raise TypeError( + "inhibit_policy_mapping must be a non-negative integer or None" + ) + + if inhibit_policy_mapping is None and require_explicit_policy is None: + raise ValueError( + "At least one of require_explicit_policy and " + "inhibit_policy_mapping must not be None" + ) + + self._require_explicit_policy = require_explicit_policy + self._inhibit_policy_mapping = inhibit_policy_mapping + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, PolicyConstraints): + return NotImplemented + + return ( + self.require_explicit_policy == other.require_explicit_policy + and self.inhibit_policy_mapping == other.inhibit_policy_mapping + ) + + def __hash__(self) -> int: + return hash( + (self.require_explicit_policy, self.inhibit_policy_mapping) + ) + + @property + def require_explicit_policy(self) -> typing.Optional[int]: + return self._require_explicit_policy + + @property + def inhibit_policy_mapping(self) -> typing.Optional[int]: + return self._inhibit_policy_mapping + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class CertificatePolicies(ExtensionType): + oid = ExtensionOID.CERTIFICATE_POLICIES + + def __init__(self, policies: typing.Iterable[PolicyInformation]) -> None: + policies = list(policies) + if not all(isinstance(x, PolicyInformation) for x in policies): + raise TypeError( + "Every item in the policies list must be a " + "PolicyInformation" + ) + + self._policies = policies + + __len__, __iter__, __getitem__ = _make_sequence_methods("_policies") + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, CertificatePolicies): + return NotImplemented + + return self._policies == other._policies + + def __hash__(self) -> int: + return hash(tuple(self._policies)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class PolicyInformation: + def __init__( + self, + policy_identifier: ObjectIdentifier, + policy_qualifiers: typing.Optional[ + typing.Iterable[typing.Union[str, UserNotice]] + ], + ) -> None: + if not isinstance(policy_identifier, ObjectIdentifier): + raise TypeError("policy_identifier must be an ObjectIdentifier") + + self._policy_identifier = policy_identifier + + if policy_qualifiers is not None: + policy_qualifiers = list(policy_qualifiers) + if not all( + isinstance(x, (str, UserNotice)) for x in policy_qualifiers + ): + raise TypeError( + "policy_qualifiers must be a list of strings and/or " + "UserNotice objects or None" + ) + + self._policy_qualifiers = policy_qualifiers + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, PolicyInformation): + return NotImplemented + + return ( + self.policy_identifier == other.policy_identifier + and self.policy_qualifiers == other.policy_qualifiers + ) + + def __hash__(self) -> int: + if self.policy_qualifiers is not None: + pq: typing.Optional[ + typing.Tuple[typing.Union[str, UserNotice], ...] + ] = tuple(self.policy_qualifiers) + else: + pq = None + + return hash((self.policy_identifier, pq)) + + @property + def policy_identifier(self) -> ObjectIdentifier: + return self._policy_identifier + + @property + def policy_qualifiers( + self, + ) -> typing.Optional[typing.List[typing.Union[str, UserNotice]]]: + return self._policy_qualifiers + + +class UserNotice: + def __init__( + self, + notice_reference: typing.Optional[NoticeReference], + explicit_text: typing.Optional[str], + ) -> None: + if notice_reference and not isinstance( + notice_reference, NoticeReference + ): + raise TypeError( + "notice_reference must be None or a NoticeReference" + ) + + self._notice_reference = notice_reference + self._explicit_text = explicit_text + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, UserNotice): + return NotImplemented + + return ( + self.notice_reference == other.notice_reference + and self.explicit_text == other.explicit_text + ) + + def __hash__(self) -> int: + return hash((self.notice_reference, self.explicit_text)) + + @property + def notice_reference(self) -> typing.Optional[NoticeReference]: + return self._notice_reference + + @property + def explicit_text(self) -> typing.Optional[str]: + return self._explicit_text + + +class NoticeReference: + def __init__( + self, + organization: typing.Optional[str], + notice_numbers: typing.Iterable[int], + ) -> None: + self._organization = organization + notice_numbers = list(notice_numbers) + if not all(isinstance(x, int) for x in notice_numbers): + raise TypeError("notice_numbers must be a list of integers") + + self._notice_numbers = notice_numbers + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, NoticeReference): + return NotImplemented + + return ( + self.organization == other.organization + and self.notice_numbers == other.notice_numbers + ) + + def __hash__(self) -> int: + return hash((self.organization, tuple(self.notice_numbers))) + + @property + def organization(self) -> typing.Optional[str]: + return self._organization + + @property + def notice_numbers(self) -> typing.List[int]: + return self._notice_numbers + + +class ExtendedKeyUsage(ExtensionType): + oid = ExtensionOID.EXTENDED_KEY_USAGE + + def __init__(self, usages: typing.Iterable[ObjectIdentifier]) -> None: + usages = list(usages) + if not all(isinstance(x, ObjectIdentifier) for x in usages): + raise TypeError( + "Every item in the usages list must be an ObjectIdentifier" + ) + + self._usages = usages + + __len__, __iter__, __getitem__ = _make_sequence_methods("_usages") + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, ExtendedKeyUsage): + return NotImplemented + + return self._usages == other._usages + + def __hash__(self) -> int: + return hash(tuple(self._usages)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class OCSPNoCheck(ExtensionType): + oid = ExtensionOID.OCSP_NO_CHECK + + def __eq__(self, other: object) -> bool: + if not isinstance(other, OCSPNoCheck): + return NotImplemented + + return True + + def __hash__(self) -> int: + return hash(OCSPNoCheck) + + def __repr__(self) -> str: + return "" + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class PrecertPoison(ExtensionType): + oid = ExtensionOID.PRECERT_POISON + + def __eq__(self, other: object) -> bool: + if not isinstance(other, PrecertPoison): + return NotImplemented + + return True + + def __hash__(self) -> int: + return hash(PrecertPoison) + + def __repr__(self) -> str: + return "" + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class TLSFeature(ExtensionType): + oid = ExtensionOID.TLS_FEATURE + + def __init__(self, features: typing.Iterable[TLSFeatureType]) -> None: + features = list(features) + if ( + not all(isinstance(x, TLSFeatureType) for x in features) + or len(features) == 0 + ): + raise TypeError( + "features must be a list of elements from the TLSFeatureType " + "enum" + ) + + self._features = features + + __len__, __iter__, __getitem__ = _make_sequence_methods("_features") + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, TLSFeature): + return NotImplemented + + return self._features == other._features + + def __hash__(self) -> int: + return hash(tuple(self._features)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class TLSFeatureType(utils.Enum): + # status_request is defined in RFC 6066 and is used for what is commonly + # called OCSP Must-Staple when present in the TLS Feature extension in an + # X.509 certificate. + status_request = 5 + # status_request_v2 is defined in RFC 6961 and allows multiple OCSP + # responses to be provided. It is not currently in use by clients or + # servers. + status_request_v2 = 17 + + +_TLS_FEATURE_TYPE_TO_ENUM = {x.value: x for x in TLSFeatureType} + + +class InhibitAnyPolicy(ExtensionType): + oid = ExtensionOID.INHIBIT_ANY_POLICY + + def __init__(self, skip_certs: int) -> None: + if not isinstance(skip_certs, int): + raise TypeError("skip_certs must be an integer") + + if skip_certs < 0: + raise ValueError("skip_certs must be a non-negative integer") + + self._skip_certs = skip_certs + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, InhibitAnyPolicy): + return NotImplemented + + return self.skip_certs == other.skip_certs + + def __hash__(self) -> int: + return hash(self.skip_certs) + + @property + def skip_certs(self) -> int: + return self._skip_certs + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class KeyUsage(ExtensionType): + oid = ExtensionOID.KEY_USAGE + + def __init__( + self, + digital_signature: bool, + content_commitment: bool, + key_encipherment: bool, + data_encipherment: bool, + key_agreement: bool, + key_cert_sign: bool, + crl_sign: bool, + encipher_only: bool, + decipher_only: bool, + ) -> None: + if not key_agreement and (encipher_only or decipher_only): + raise ValueError( + "encipher_only and decipher_only can only be true when " + "key_agreement is true" + ) + + self._digital_signature = digital_signature + self._content_commitment = content_commitment + self._key_encipherment = key_encipherment + self._data_encipherment = data_encipherment + self._key_agreement = key_agreement + self._key_cert_sign = key_cert_sign + self._crl_sign = crl_sign + self._encipher_only = encipher_only + self._decipher_only = decipher_only + + @property + def digital_signature(self) -> bool: + return self._digital_signature + + @property + def content_commitment(self) -> bool: + return self._content_commitment + + @property + def key_encipherment(self) -> bool: + return self._key_encipherment + + @property + def data_encipherment(self) -> bool: + return self._data_encipherment + + @property + def key_agreement(self) -> bool: + return self._key_agreement + + @property + def key_cert_sign(self) -> bool: + return self._key_cert_sign + + @property + def crl_sign(self) -> bool: + return self._crl_sign + + @property + def encipher_only(self) -> bool: + if not self.key_agreement: + raise ValueError( + "encipher_only is undefined unless key_agreement is true" + ) + else: + return self._encipher_only + + @property + def decipher_only(self) -> bool: + if not self.key_agreement: + raise ValueError( + "decipher_only is undefined unless key_agreement is true" + ) + else: + return self._decipher_only + + def __repr__(self) -> str: + try: + encipher_only = self.encipher_only + decipher_only = self.decipher_only + except ValueError: + # Users found None confusing because even though encipher/decipher + # have no meaning unless key_agreement is true, to construct an + # instance of the class you still need to pass False. + encipher_only = False + decipher_only = False + + return ( + "" + ).format(self, encipher_only, decipher_only) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, KeyUsage): + return NotImplemented + + return ( + self.digital_signature == other.digital_signature + and self.content_commitment == other.content_commitment + and self.key_encipherment == other.key_encipherment + and self.data_encipherment == other.data_encipherment + and self.key_agreement == other.key_agreement + and self.key_cert_sign == other.key_cert_sign + and self.crl_sign == other.crl_sign + and self._encipher_only == other._encipher_only + and self._decipher_only == other._decipher_only + ) + + def __hash__(self) -> int: + return hash( + ( + self.digital_signature, + self.content_commitment, + self.key_encipherment, + self.data_encipherment, + self.key_agreement, + self.key_cert_sign, + self.crl_sign, + self._encipher_only, + self._decipher_only, + ) + ) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class NameConstraints(ExtensionType): + oid = ExtensionOID.NAME_CONSTRAINTS + + def __init__( + self, + permitted_subtrees: typing.Optional[typing.Iterable[GeneralName]], + excluded_subtrees: typing.Optional[typing.Iterable[GeneralName]], + ) -> None: + if permitted_subtrees is not None: + permitted_subtrees = list(permitted_subtrees) + if not permitted_subtrees: + raise ValueError( + "permitted_subtrees must be a non-empty list or None" + ) + if not all(isinstance(x, GeneralName) for x in permitted_subtrees): + raise TypeError( + "permitted_subtrees must be a list of GeneralName objects " + "or None" + ) + + self._validate_tree(permitted_subtrees) + + if excluded_subtrees is not None: + excluded_subtrees = list(excluded_subtrees) + if not excluded_subtrees: + raise ValueError( + "excluded_subtrees must be a non-empty list or None" + ) + if not all(isinstance(x, GeneralName) for x in excluded_subtrees): + raise TypeError( + "excluded_subtrees must be a list of GeneralName objects " + "or None" + ) + + self._validate_tree(excluded_subtrees) + + if permitted_subtrees is None and excluded_subtrees is None: + raise ValueError( + "At least one of permitted_subtrees and excluded_subtrees " + "must not be None" + ) + + self._permitted_subtrees = permitted_subtrees + self._excluded_subtrees = excluded_subtrees + + def __eq__(self, other: object) -> bool: + if not isinstance(other, NameConstraints): + return NotImplemented + + return ( + self.excluded_subtrees == other.excluded_subtrees + and self.permitted_subtrees == other.permitted_subtrees + ) + + def _validate_tree(self, tree: typing.Iterable[GeneralName]) -> None: + self._validate_ip_name(tree) + self._validate_dns_name(tree) + + def _validate_ip_name(self, tree: typing.Iterable[GeneralName]) -> None: + if any( + isinstance(name, IPAddress) + and not isinstance( + name.value, (ipaddress.IPv4Network, ipaddress.IPv6Network) + ) + for name in tree + ): + raise TypeError( + "IPAddress name constraints must be an IPv4Network or" + " IPv6Network object" + ) + + def _validate_dns_name(self, tree: typing.Iterable[GeneralName]) -> None: + if any( + isinstance(name, DNSName) and "*" in name.value for name in tree + ): + raise ValueError( + "DNSName name constraints must not contain the '*' wildcard" + " character" + ) + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __hash__(self) -> int: + if self.permitted_subtrees is not None: + ps: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple( + self.permitted_subtrees + ) + else: + ps = None + + if self.excluded_subtrees is not None: + es: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple( + self.excluded_subtrees + ) + else: + es = None + + return hash((ps, es)) + + @property + def permitted_subtrees( + self, + ) -> typing.Optional[typing.List[GeneralName]]: + return self._permitted_subtrees + + @property + def excluded_subtrees( + self, + ) -> typing.Optional[typing.List[GeneralName]]: + return self._excluded_subtrees + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class Extension(typing.Generic[ExtensionTypeVar]): + def __init__( + self, oid: ObjectIdentifier, critical: bool, value: ExtensionTypeVar + ) -> None: + if not isinstance(oid, ObjectIdentifier): + raise TypeError( + "oid argument must be an ObjectIdentifier instance." + ) + + if not isinstance(critical, bool): + raise TypeError("critical must be a boolean value") + + self._oid = oid + self._critical = critical + self._value = value + + @property + def oid(self) -> ObjectIdentifier: + return self._oid + + @property + def critical(self) -> bool: + return self._critical + + @property + def value(self) -> ExtensionTypeVar: + return self._value + + def __repr__(self) -> str: + return ( + "" + ).format(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, Extension): + return NotImplemented + + return ( + self.oid == other.oid + and self.critical == other.critical + and self.value == other.value + ) + + def __hash__(self) -> int: + return hash((self.oid, self.critical, self.value)) + + +class GeneralNames: + def __init__(self, general_names: typing.Iterable[GeneralName]) -> None: + general_names = list(general_names) + if not all(isinstance(x, GeneralName) for x in general_names): + raise TypeError( + "Every item in the general_names list must be an " + "object conforming to the GeneralName interface" + ) + + self._general_names = general_names + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + @typing.overload + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[UniformResourceIdentifier], + typing.Type[RFC822Name], + ], + ) -> typing.List[str]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[DirectoryName], + ) -> typing.List[Name]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[RegisteredID], + ) -> typing.List[ObjectIdentifier]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[IPAddress] + ) -> typing.List[_IPAddressTypes]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[OtherName] + ) -> typing.List[OtherName]: + ... + + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[DirectoryName], + typing.Type[IPAddress], + typing.Type[OtherName], + typing.Type[RFC822Name], + typing.Type[RegisteredID], + typing.Type[UniformResourceIdentifier], + ], + ) -> typing.Union[ + typing.List[_IPAddressTypes], + typing.List[str], + typing.List[OtherName], + typing.List[Name], + typing.List[ObjectIdentifier], + ]: + # Return the value of each GeneralName, except for OtherName instances + # which we return directly because it has two important properties not + # just one value. + objs = (i for i in self if isinstance(i, type)) + if type != OtherName: + return [i.value for i in objs] + return list(objs) + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, GeneralNames): + return NotImplemented + + return self._general_names == other._general_names + + def __hash__(self) -> int: + return hash(tuple(self._general_names)) + + +class SubjectAlternativeName(ExtensionType): + oid = ExtensionOID.SUBJECT_ALTERNATIVE_NAME + + def __init__(self, general_names: typing.Iterable[GeneralName]) -> None: + self._general_names = GeneralNames(general_names) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + @typing.overload + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[UniformResourceIdentifier], + typing.Type[RFC822Name], + ], + ) -> typing.List[str]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[DirectoryName], + ) -> typing.List[Name]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[RegisteredID], + ) -> typing.List[ObjectIdentifier]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[IPAddress] + ) -> typing.List[_IPAddressTypes]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[OtherName] + ) -> typing.List[OtherName]: + ... + + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[DirectoryName], + typing.Type[IPAddress], + typing.Type[OtherName], + typing.Type[RFC822Name], + typing.Type[RegisteredID], + typing.Type[UniformResourceIdentifier], + ], + ) -> typing.Union[ + typing.List[_IPAddressTypes], + typing.List[str], + typing.List[OtherName], + typing.List[Name], + typing.List[ObjectIdentifier], + ]: + return self._general_names.get_values_for_type(type) + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, SubjectAlternativeName): + return NotImplemented + + return self._general_names == other._general_names + + def __hash__(self) -> int: + return hash(self._general_names) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class IssuerAlternativeName(ExtensionType): + oid = ExtensionOID.ISSUER_ALTERNATIVE_NAME + + def __init__(self, general_names: typing.Iterable[GeneralName]) -> None: + self._general_names = GeneralNames(general_names) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + @typing.overload + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[UniformResourceIdentifier], + typing.Type[RFC822Name], + ], + ) -> typing.List[str]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[DirectoryName], + ) -> typing.List[Name]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[RegisteredID], + ) -> typing.List[ObjectIdentifier]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[IPAddress] + ) -> typing.List[_IPAddressTypes]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[OtherName] + ) -> typing.List[OtherName]: + ... + + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[DirectoryName], + typing.Type[IPAddress], + typing.Type[OtherName], + typing.Type[RFC822Name], + typing.Type[RegisteredID], + typing.Type[UniformResourceIdentifier], + ], + ) -> typing.Union[ + typing.List[_IPAddressTypes], + typing.List[str], + typing.List[OtherName], + typing.List[Name], + typing.List[ObjectIdentifier], + ]: + return self._general_names.get_values_for_type(type) + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, IssuerAlternativeName): + return NotImplemented + + return self._general_names == other._general_names + + def __hash__(self) -> int: + return hash(self._general_names) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class CertificateIssuer(ExtensionType): + oid = CRLEntryExtensionOID.CERTIFICATE_ISSUER + + def __init__(self, general_names: typing.Iterable[GeneralName]) -> None: + self._general_names = GeneralNames(general_names) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + @typing.overload + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[UniformResourceIdentifier], + typing.Type[RFC822Name], + ], + ) -> typing.List[str]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[DirectoryName], + ) -> typing.List[Name]: + ... + + @typing.overload + def get_values_for_type( + self, + type: typing.Type[RegisteredID], + ) -> typing.List[ObjectIdentifier]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[IPAddress] + ) -> typing.List[_IPAddressTypes]: + ... + + @typing.overload + def get_values_for_type( + self, type: typing.Type[OtherName] + ) -> typing.List[OtherName]: + ... + + def get_values_for_type( + self, + type: typing.Union[ + typing.Type[DNSName], + typing.Type[DirectoryName], + typing.Type[IPAddress], + typing.Type[OtherName], + typing.Type[RFC822Name], + typing.Type[RegisteredID], + typing.Type[UniformResourceIdentifier], + ], + ) -> typing.Union[ + typing.List[_IPAddressTypes], + typing.List[str], + typing.List[OtherName], + typing.List[Name], + typing.List[ObjectIdentifier], + ]: + return self._general_names.get_values_for_type(type) + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, CertificateIssuer): + return NotImplemented + + return self._general_names == other._general_names + + def __hash__(self) -> int: + return hash(self._general_names) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class CRLReason(ExtensionType): + oid = CRLEntryExtensionOID.CRL_REASON + + def __init__(self, reason: ReasonFlags) -> None: + if not isinstance(reason, ReasonFlags): + raise TypeError("reason must be an element from ReasonFlags") + + self._reason = reason + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, CRLReason): + return NotImplemented + + return self.reason == other.reason + + def __hash__(self) -> int: + return hash(self.reason) + + @property + def reason(self) -> ReasonFlags: + return self._reason + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class InvalidityDate(ExtensionType): + oid = CRLEntryExtensionOID.INVALIDITY_DATE + + def __init__(self, invalidity_date: datetime.datetime) -> None: + if not isinstance(invalidity_date, datetime.datetime): + raise TypeError("invalidity_date must be a datetime.datetime") + + self._invalidity_date = invalidity_date + + def __repr__(self) -> str: + return "".format( + self._invalidity_date + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, InvalidityDate): + return NotImplemented + + return self.invalidity_date == other.invalidity_date + + def __hash__(self) -> int: + return hash(self.invalidity_date) + + @property + def invalidity_date(self) -> datetime.datetime: + return self._invalidity_date + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class PrecertificateSignedCertificateTimestamps(ExtensionType): + oid = ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS + + def __init__( + self, + signed_certificate_timestamps: typing.Iterable[ + SignedCertificateTimestamp + ], + ) -> None: + signed_certificate_timestamps = list(signed_certificate_timestamps) + if not all( + isinstance(sct, SignedCertificateTimestamp) + for sct in signed_certificate_timestamps + ): + raise TypeError( + "Every item in the signed_certificate_timestamps list must be " + "a SignedCertificateTimestamp" + ) + self._signed_certificate_timestamps = signed_certificate_timestamps + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_signed_certificate_timestamps" + ) + + def __repr__(self) -> str: + return "".format( + list(self) + ) + + def __hash__(self) -> int: + return hash(tuple(self._signed_certificate_timestamps)) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, PrecertificateSignedCertificateTimestamps): + return NotImplemented + + return ( + self._signed_certificate_timestamps + == other._signed_certificate_timestamps + ) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class SignedCertificateTimestamps(ExtensionType): + oid = ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS + + def __init__( + self, + signed_certificate_timestamps: typing.Iterable[ + SignedCertificateTimestamp + ], + ) -> None: + signed_certificate_timestamps = list(signed_certificate_timestamps) + if not all( + isinstance(sct, SignedCertificateTimestamp) + for sct in signed_certificate_timestamps + ): + raise TypeError( + "Every item in the signed_certificate_timestamps list must be " + "a SignedCertificateTimestamp" + ) + self._signed_certificate_timestamps = signed_certificate_timestamps + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_signed_certificate_timestamps" + ) + + def __repr__(self) -> str: + return f"" + + def __hash__(self) -> int: + return hash(tuple(self._signed_certificate_timestamps)) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, SignedCertificateTimestamps): + return NotImplemented + + return ( + self._signed_certificate_timestamps + == other._signed_certificate_timestamps + ) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class OCSPNonce(ExtensionType): + oid = OCSPExtensionOID.NONCE + + def __init__(self, nonce: bytes) -> None: + if not isinstance(nonce, bytes): + raise TypeError("nonce must be bytes") + + self._nonce = nonce + + def __eq__(self, other: object) -> bool: + if not isinstance(other, OCSPNonce): + return NotImplemented + + return self.nonce == other.nonce + + def __hash__(self) -> int: + return hash(self.nonce) + + def __repr__(self) -> str: + return f"" + + @property + def nonce(self) -> bytes: + return self._nonce + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class OCSPAcceptableResponses(ExtensionType): + oid = OCSPExtensionOID.ACCEPTABLE_RESPONSES + + def __init__(self, responses: typing.Iterable[ObjectIdentifier]) -> None: + responses = list(responses) + if any(not isinstance(r, ObjectIdentifier) for r in responses): + raise TypeError("All responses must be ObjectIdentifiers") + + self._responses = responses + + def __eq__(self, other: object) -> bool: + if not isinstance(other, OCSPAcceptableResponses): + return NotImplemented + + return self._responses == other._responses + + def __hash__(self) -> int: + return hash(tuple(self._responses)) + + def __repr__(self) -> str: + return f"" + + def __iter__(self) -> typing.Iterator[ObjectIdentifier]: + return iter(self._responses) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class IssuingDistributionPoint(ExtensionType): + oid = ExtensionOID.ISSUING_DISTRIBUTION_POINT + + def __init__( + self, + full_name: typing.Optional[typing.Iterable[GeneralName]], + relative_name: typing.Optional[RelativeDistinguishedName], + only_contains_user_certs: bool, + only_contains_ca_certs: bool, + only_some_reasons: typing.Optional[typing.FrozenSet[ReasonFlags]], + indirect_crl: bool, + only_contains_attribute_certs: bool, + ) -> None: + if full_name is not None: + full_name = list(full_name) + + if only_some_reasons and ( + not isinstance(only_some_reasons, frozenset) + or not all(isinstance(x, ReasonFlags) for x in only_some_reasons) + ): + raise TypeError( + "only_some_reasons must be None or frozenset of ReasonFlags" + ) + + if only_some_reasons and ( + ReasonFlags.unspecified in only_some_reasons + or ReasonFlags.remove_from_crl in only_some_reasons + ): + raise ValueError( + "unspecified and remove_from_crl are not valid reasons in an " + "IssuingDistributionPoint" + ) + + if not ( + isinstance(only_contains_user_certs, bool) + and isinstance(only_contains_ca_certs, bool) + and isinstance(indirect_crl, bool) + and isinstance(only_contains_attribute_certs, bool) + ): + raise TypeError( + "only_contains_user_certs, only_contains_ca_certs, " + "indirect_crl and only_contains_attribute_certs " + "must all be boolean." + ) + + crl_constraints = [ + only_contains_user_certs, + only_contains_ca_certs, + indirect_crl, + only_contains_attribute_certs, + ] + + if len([x for x in crl_constraints if x]) > 1: + raise ValueError( + "Only one of the following can be set to True: " + "only_contains_user_certs, only_contains_ca_certs, " + "indirect_crl, only_contains_attribute_certs" + ) + + if not any( + [ + only_contains_user_certs, + only_contains_ca_certs, + indirect_crl, + only_contains_attribute_certs, + full_name, + relative_name, + only_some_reasons, + ] + ): + raise ValueError( + "Cannot create empty extension: " + "if only_contains_user_certs, only_contains_ca_certs, " + "indirect_crl, and only_contains_attribute_certs are all False" + ", then either full_name, relative_name, or only_some_reasons " + "must have a value." + ) + + self._only_contains_user_certs = only_contains_user_certs + self._only_contains_ca_certs = only_contains_ca_certs + self._indirect_crl = indirect_crl + self._only_contains_attribute_certs = only_contains_attribute_certs + self._only_some_reasons = only_some_reasons + self._full_name = full_name + self._relative_name = relative_name + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, IssuingDistributionPoint): + return NotImplemented + + return ( + self.full_name == other.full_name + and self.relative_name == other.relative_name + and self.only_contains_user_certs == other.only_contains_user_certs + and self.only_contains_ca_certs == other.only_contains_ca_certs + and self.only_some_reasons == other.only_some_reasons + and self.indirect_crl == other.indirect_crl + and self.only_contains_attribute_certs + == other.only_contains_attribute_certs + ) + + def __hash__(self) -> int: + return hash( + ( + self.full_name, + self.relative_name, + self.only_contains_user_certs, + self.only_contains_ca_certs, + self.only_some_reasons, + self.indirect_crl, + self.only_contains_attribute_certs, + ) + ) + + @property + def full_name(self) -> typing.Optional[typing.List[GeneralName]]: + return self._full_name + + @property + def relative_name(self) -> typing.Optional[RelativeDistinguishedName]: + return self._relative_name + + @property + def only_contains_user_certs(self) -> bool: + return self._only_contains_user_certs + + @property + def only_contains_ca_certs(self) -> bool: + return self._only_contains_ca_certs + + @property + def only_some_reasons( + self, + ) -> typing.Optional[typing.FrozenSet[ReasonFlags]]: + return self._only_some_reasons + + @property + def indirect_crl(self) -> bool: + return self._indirect_crl + + @property + def only_contains_attribute_certs(self) -> bool: + return self._only_contains_attribute_certs + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class MSCertificateTemplate(ExtensionType): + oid = ExtensionOID.MS_CERTIFICATE_TEMPLATE + + def __init__( + self, + template_id: ObjectIdentifier, + major_version: typing.Optional[int], + minor_version: typing.Optional[int], + ) -> None: + if not isinstance(template_id, ObjectIdentifier): + raise TypeError("oid must be an ObjectIdentifier") + self._template_id = template_id + if ( + major_version is not None and not isinstance(major_version, int) + ) or ( + minor_version is not None and not isinstance(minor_version, int) + ): + raise TypeError( + "major_version and minor_version must be integers or None" + ) + self._major_version = major_version + self._minor_version = minor_version + + @property + def template_id(self) -> ObjectIdentifier: + return self._template_id + + @property + def major_version(self) -> typing.Optional[int]: + return self._major_version + + @property + def minor_version(self) -> typing.Optional[int]: + return self._minor_version + + def __repr__(self) -> str: + return ( + f"" + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, MSCertificateTemplate): + return NotImplemented + + return ( + self.template_id == other.template_id + and self.major_version == other.major_version + and self.minor_version == other.minor_version + ) + + def __hash__(self) -> int: + return hash((self.template_id, self.major_version, self.minor_version)) + + def public_bytes(self) -> bytes: + return rust_x509.encode_extension_value(self) + + +class UnrecognizedExtension(ExtensionType): + def __init__(self, oid: ObjectIdentifier, value: bytes) -> None: + if not isinstance(oid, ObjectIdentifier): + raise TypeError("oid must be an ObjectIdentifier") + self._oid = oid + self._value = value + + @property + def oid(self) -> ObjectIdentifier: # type: ignore[override] + return self._oid + + @property + def value(self) -> bytes: + return self._value + + def __repr__(self) -> str: + return ( + "".format(self) + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, UnrecognizedExtension): + return NotImplemented + + return self.oid == other.oid and self.value == other.value + + def __hash__(self) -> int: + return hash((self.oid, self.value)) + + def public_bytes(self) -> bytes: + return self.value diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/general_name.py b/venv/lib/python3.12/site-packages/cryptography/x509/general_name.py new file mode 100644 index 0000000..79271af --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/x509/general_name.py @@ -0,0 +1,283 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import ipaddress +import typing +from email.utils import parseaddr + +from cryptography.x509.name import Name +from cryptography.x509.oid import ObjectIdentifier + +_IPAddressTypes = typing.Union[ + ipaddress.IPv4Address, + ipaddress.IPv6Address, + ipaddress.IPv4Network, + ipaddress.IPv6Network, +] + + +class UnsupportedGeneralNameType(Exception): + pass + + +class GeneralName(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def value(self) -> typing.Any: + """ + Return the value of the object + """ + + +class RFC822Name(GeneralName): + def __init__(self, value: str) -> None: + if isinstance(value, str): + try: + value.encode("ascii") + except UnicodeEncodeError: + raise ValueError( + "RFC822Name values should be passed as an A-label string. " + "This means unicode characters should be encoded via " + "a library like idna." + ) + else: + raise TypeError("value must be string") + + name, address = parseaddr(value) + if name or not address: + # parseaddr has found a name (e.g. Name ) or the entire + # value is an empty string. + raise ValueError("Invalid rfc822name value") + + self._value = value + + @property + def value(self) -> str: + return self._value + + @classmethod + def _init_without_validation(cls, value: str) -> RFC822Name: + instance = cls.__new__(cls) + instance._value = value + return instance + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RFC822Name): + return NotImplemented + + return self.value == other.value + + def __hash__(self) -> int: + return hash(self.value) + + +class DNSName(GeneralName): + def __init__(self, value: str) -> None: + if isinstance(value, str): + try: + value.encode("ascii") + except UnicodeEncodeError: + raise ValueError( + "DNSName values should be passed as an A-label string. " + "This means unicode characters should be encoded via " + "a library like idna." + ) + else: + raise TypeError("value must be string") + + self._value = value + + @property + def value(self) -> str: + return self._value + + @classmethod + def _init_without_validation(cls, value: str) -> DNSName: + instance = cls.__new__(cls) + instance._value = value + return instance + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DNSName): + return NotImplemented + + return self.value == other.value + + def __hash__(self) -> int: + return hash(self.value) + + +class UniformResourceIdentifier(GeneralName): + def __init__(self, value: str) -> None: + if isinstance(value, str): + try: + value.encode("ascii") + except UnicodeEncodeError: + raise ValueError( + "URI values should be passed as an A-label string. " + "This means unicode characters should be encoded via " + "a library like idna." + ) + else: + raise TypeError("value must be string") + + self._value = value + + @property + def value(self) -> str: + return self._value + + @classmethod + def _init_without_validation(cls, value: str) -> UniformResourceIdentifier: + instance = cls.__new__(cls) + instance._value = value + return instance + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, UniformResourceIdentifier): + return NotImplemented + + return self.value == other.value + + def __hash__(self) -> int: + return hash(self.value) + + +class DirectoryName(GeneralName): + def __init__(self, value: Name) -> None: + if not isinstance(value, Name): + raise TypeError("value must be a Name") + + self._value = value + + @property + def value(self) -> Name: + return self._value + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DirectoryName): + return NotImplemented + + return self.value == other.value + + def __hash__(self) -> int: + return hash(self.value) + + +class RegisteredID(GeneralName): + def __init__(self, value: ObjectIdentifier) -> None: + if not isinstance(value, ObjectIdentifier): + raise TypeError("value must be an ObjectIdentifier") + + self._value = value + + @property + def value(self) -> ObjectIdentifier: + return self._value + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RegisteredID): + return NotImplemented + + return self.value == other.value + + def __hash__(self) -> int: + return hash(self.value) + + +class IPAddress(GeneralName): + def __init__(self, value: _IPAddressTypes) -> None: + if not isinstance( + value, + ( + ipaddress.IPv4Address, + ipaddress.IPv6Address, + ipaddress.IPv4Network, + ipaddress.IPv6Network, + ), + ): + raise TypeError( + "value must be an instance of ipaddress.IPv4Address, " + "ipaddress.IPv6Address, ipaddress.IPv4Network, or " + "ipaddress.IPv6Network" + ) + + self._value = value + + @property + def value(self) -> _IPAddressTypes: + return self._value + + def _packed(self) -> bytes: + if isinstance( + self.value, (ipaddress.IPv4Address, ipaddress.IPv6Address) + ): + return self.value.packed + else: + return ( + self.value.network_address.packed + self.value.netmask.packed + ) + + def __repr__(self) -> str: + return f"" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, IPAddress): + return NotImplemented + + return self.value == other.value + + def __hash__(self) -> int: + return hash(self.value) + + +class OtherName(GeneralName): + def __init__(self, type_id: ObjectIdentifier, value: bytes) -> None: + if not isinstance(type_id, ObjectIdentifier): + raise TypeError("type_id must be an ObjectIdentifier") + if not isinstance(value, bytes): + raise TypeError("value must be a binary string") + + self._type_id = type_id + self._value = value + + @property + def type_id(self) -> ObjectIdentifier: + return self._type_id + + @property + def value(self) -> bytes: + return self._value + + def __repr__(self) -> str: + return "".format( + self.type_id, self.value + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, OtherName): + return NotImplemented + + return self.type_id == other.type_id and self.value == other.value + + def __hash__(self) -> int: + return hash((self.type_id, self.value)) diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/name.py b/venv/lib/python3.12/site-packages/cryptography/x509/name.py new file mode 100644 index 0000000..ff98e87 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/x509/name.py @@ -0,0 +1,462 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import binascii +import re +import sys +import typing +import warnings + +from cryptography import utils +from cryptography.hazmat.bindings._rust import x509 as rust_x509 +from cryptography.x509.oid import NameOID, ObjectIdentifier + + +class _ASN1Type(utils.Enum): + BitString = 3 + OctetString = 4 + UTF8String = 12 + NumericString = 18 + PrintableString = 19 + T61String = 20 + IA5String = 22 + UTCTime = 23 + GeneralizedTime = 24 + VisibleString = 26 + UniversalString = 28 + BMPString = 30 + + +_ASN1_TYPE_TO_ENUM = {i.value: i for i in _ASN1Type} +_NAMEOID_DEFAULT_TYPE: typing.Dict[ObjectIdentifier, _ASN1Type] = { + NameOID.COUNTRY_NAME: _ASN1Type.PrintableString, + NameOID.JURISDICTION_COUNTRY_NAME: _ASN1Type.PrintableString, + NameOID.SERIAL_NUMBER: _ASN1Type.PrintableString, + NameOID.DN_QUALIFIER: _ASN1Type.PrintableString, + NameOID.EMAIL_ADDRESS: _ASN1Type.IA5String, + NameOID.DOMAIN_COMPONENT: _ASN1Type.IA5String, +} + +# Type alias +_OidNameMap = typing.Mapping[ObjectIdentifier, str] +_NameOidMap = typing.Mapping[str, ObjectIdentifier] + +#: Short attribute names from RFC 4514: +#: https://tools.ietf.org/html/rfc4514#page-7 +_NAMEOID_TO_NAME: _OidNameMap = { + NameOID.COMMON_NAME: "CN", + NameOID.LOCALITY_NAME: "L", + NameOID.STATE_OR_PROVINCE_NAME: "ST", + NameOID.ORGANIZATION_NAME: "O", + NameOID.ORGANIZATIONAL_UNIT_NAME: "OU", + NameOID.COUNTRY_NAME: "C", + NameOID.STREET_ADDRESS: "STREET", + NameOID.DOMAIN_COMPONENT: "DC", + NameOID.USER_ID: "UID", +} +_NAME_TO_NAMEOID = {v: k for k, v in _NAMEOID_TO_NAME.items()} + + +def _escape_dn_value(val: typing.Union[str, bytes]) -> str: + """Escape special characters in RFC4514 Distinguished Name value.""" + + if not val: + return "" + + # RFC 4514 Section 2.4 defines the value as being the # (U+0023) character + # followed by the hexadecimal encoding of the octets. + if isinstance(val, bytes): + return "#" + binascii.hexlify(val).decode("utf8") + + # See https://tools.ietf.org/html/rfc4514#section-2.4 + val = val.replace("\\", "\\\\") + val = val.replace('"', '\\"') + val = val.replace("+", "\\+") + val = val.replace(",", "\\,") + val = val.replace(";", "\\;") + val = val.replace("<", "\\<") + val = val.replace(">", "\\>") + val = val.replace("\0", "\\00") + + if val[0] in ("#", " "): + val = "\\" + val + if val[-1] == " ": + val = val[:-1] + "\\ " + + return val + + +def _unescape_dn_value(val: str) -> str: + if not val: + return "" + + # See https://tools.ietf.org/html/rfc4514#section-3 + + # special = escaped / SPACE / SHARP / EQUALS + # escaped = DQUOTE / PLUS / COMMA / SEMI / LANGLE / RANGLE + def sub(m): + val = m.group(1) + # Regular escape + if len(val) == 1: + return val + # Hex-value scape + return chr(int(val, 16)) + + return _RFC4514NameParser._PAIR_RE.sub(sub, val) + + +class NameAttribute: + def __init__( + self, + oid: ObjectIdentifier, + value: typing.Union[str, bytes], + _type: typing.Optional[_ASN1Type] = None, + *, + _validate: bool = True, + ) -> None: + if not isinstance(oid, ObjectIdentifier): + raise TypeError( + "oid argument must be an ObjectIdentifier instance." + ) + if _type == _ASN1Type.BitString: + if oid != NameOID.X500_UNIQUE_IDENTIFIER: + raise TypeError( + "oid must be X500_UNIQUE_IDENTIFIER for BitString type." + ) + if not isinstance(value, bytes): + raise TypeError("value must be bytes for BitString") + else: + if not isinstance(value, str): + raise TypeError("value argument must be a str") + + if ( + oid == NameOID.COUNTRY_NAME + or oid == NameOID.JURISDICTION_COUNTRY_NAME + ): + assert isinstance(value, str) + c_len = len(value.encode("utf8")) + if c_len != 2 and _validate is True: + raise ValueError( + "Country name must be a 2 character country code" + ) + elif c_len != 2: + warnings.warn( + "Country names should be two characters, but the " + "attribute is {} characters in length.".format(c_len), + stacklevel=2, + ) + + # The appropriate ASN1 string type varies by OID and is defined across + # multiple RFCs including 2459, 3280, and 5280. In general UTF8String + # is preferred (2459), but 3280 and 5280 specify several OIDs with + # alternate types. This means when we see the sentinel value we need + # to look up whether the OID has a non-UTF8 type. If it does, set it + # to that. Otherwise, UTF8! + if _type is None: + _type = _NAMEOID_DEFAULT_TYPE.get(oid, _ASN1Type.UTF8String) + + if not isinstance(_type, _ASN1Type): + raise TypeError("_type must be from the _ASN1Type enum") + + self._oid = oid + self._value = value + self._type = _type + + @property + def oid(self) -> ObjectIdentifier: + return self._oid + + @property + def value(self) -> typing.Union[str, bytes]: + return self._value + + @property + def rfc4514_attribute_name(self) -> str: + """ + The short attribute name (for example "CN") if available, + otherwise the OID dotted string. + """ + return _NAMEOID_TO_NAME.get(self.oid, self.oid.dotted_string) + + def rfc4514_string( + self, attr_name_overrides: typing.Optional[_OidNameMap] = None + ) -> str: + """ + Format as RFC4514 Distinguished Name string. + + Use short attribute name if available, otherwise fall back to OID + dotted string. + """ + attr_name = ( + attr_name_overrides.get(self.oid) if attr_name_overrides else None + ) + if attr_name is None: + attr_name = self.rfc4514_attribute_name + + return f"{attr_name}={_escape_dn_value(self.value)}" + + def __eq__(self, other: object) -> bool: + if not isinstance(other, NameAttribute): + return NotImplemented + + return self.oid == other.oid and self.value == other.value + + def __hash__(self) -> int: + return hash((self.oid, self.value)) + + def __repr__(self) -> str: + return "".format(self) + + +class RelativeDistinguishedName: + def __init__(self, attributes: typing.Iterable[NameAttribute]): + attributes = list(attributes) + if not attributes: + raise ValueError("a relative distinguished name cannot be empty") + if not all(isinstance(x, NameAttribute) for x in attributes): + raise TypeError("attributes must be an iterable of NameAttribute") + + # Keep list and frozenset to preserve attribute order where it matters + self._attributes = attributes + self._attribute_set = frozenset(attributes) + + if len(self._attribute_set) != len(attributes): + raise ValueError("duplicate attributes are not allowed") + + def get_attributes_for_oid( + self, oid: ObjectIdentifier + ) -> typing.List[NameAttribute]: + return [i for i in self if i.oid == oid] + + def rfc4514_string( + self, attr_name_overrides: typing.Optional[_OidNameMap] = None + ) -> str: + """ + Format as RFC4514 Distinguished Name string. + + Within each RDN, attributes are joined by '+', although that is rarely + used in certificates. + """ + return "+".join( + attr.rfc4514_string(attr_name_overrides) + for attr in self._attributes + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RelativeDistinguishedName): + return NotImplemented + + return self._attribute_set == other._attribute_set + + def __hash__(self) -> int: + return hash(self._attribute_set) + + def __iter__(self) -> typing.Iterator[NameAttribute]: + return iter(self._attributes) + + def __len__(self) -> int: + return len(self._attributes) + + def __repr__(self) -> str: + return f"" + + +class Name: + @typing.overload + def __init__(self, attributes: typing.Iterable[NameAttribute]) -> None: + ... + + @typing.overload + def __init__( + self, attributes: typing.Iterable[RelativeDistinguishedName] + ) -> None: + ... + + def __init__( + self, + attributes: typing.Iterable[ + typing.Union[NameAttribute, RelativeDistinguishedName] + ], + ) -> None: + attributes = list(attributes) + if all(isinstance(x, NameAttribute) for x in attributes): + self._attributes = [ + RelativeDistinguishedName([typing.cast(NameAttribute, x)]) + for x in attributes + ] + elif all(isinstance(x, RelativeDistinguishedName) for x in attributes): + self._attributes = typing.cast( + typing.List[RelativeDistinguishedName], attributes + ) + else: + raise TypeError( + "attributes must be a list of NameAttribute" + " or a list RelativeDistinguishedName" + ) + + @classmethod + def from_rfc4514_string( + cls, + data: str, + attr_name_overrides: typing.Optional[_NameOidMap] = None, + ) -> Name: + return _RFC4514NameParser(data, attr_name_overrides or {}).parse() + + def rfc4514_string( + self, attr_name_overrides: typing.Optional[_OidNameMap] = None + ) -> str: + """ + Format as RFC4514 Distinguished Name string. + For example 'CN=foobar.com,O=Foo Corp,C=US' + + An X.509 name is a two-level structure: a list of sets of attributes. + Each list element is separated by ',' and within each list element, set + elements are separated by '+'. The latter is almost never used in + real world certificates. According to RFC4514 section 2.1 the + RDNSequence must be reversed when converting to string representation. + """ + return ",".join( + attr.rfc4514_string(attr_name_overrides) + for attr in reversed(self._attributes) + ) + + def get_attributes_for_oid( + self, oid: ObjectIdentifier + ) -> typing.List[NameAttribute]: + return [i for i in self if i.oid == oid] + + @property + def rdns(self) -> typing.List[RelativeDistinguishedName]: + return self._attributes + + def public_bytes(self, backend: typing.Any = None) -> bytes: + return rust_x509.encode_name_bytes(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, Name): + return NotImplemented + + return self._attributes == other._attributes + + def __hash__(self) -> int: + # TODO: this is relatively expensive, if this looks like a bottleneck + # for you, consider optimizing! + return hash(tuple(self._attributes)) + + def __iter__(self) -> typing.Iterator[NameAttribute]: + for rdn in self._attributes: + for ava in rdn: + yield ava + + def __len__(self) -> int: + return sum(len(rdn) for rdn in self._attributes) + + def __repr__(self) -> str: + rdns = ",".join(attr.rfc4514_string() for attr in self._attributes) + return f"" + + +class _RFC4514NameParser: + _OID_RE = re.compile(r"(0|([1-9]\d*))(\.(0|([1-9]\d*)))+") + _DESCR_RE = re.compile(r"[a-zA-Z][a-zA-Z\d-]*") + + _PAIR = r"\\([\\ #=\"\+,;<>]|[\da-zA-Z]{2})" + _PAIR_RE = re.compile(_PAIR) + _LUTF1 = r"[\x01-\x1f\x21\x24-\x2A\x2D-\x3A\x3D\x3F-\x5B\x5D-\x7F]" + _SUTF1 = r"[\x01-\x21\x23-\x2A\x2D-\x3A\x3D\x3F-\x5B\x5D-\x7F]" + _TUTF1 = r"[\x01-\x1F\x21\x23-\x2A\x2D-\x3A\x3D\x3F-\x5B\x5D-\x7F]" + _UTFMB = rf"[\x80-{chr(sys.maxunicode)}]" + _LEADCHAR = rf"{_LUTF1}|{_UTFMB}" + _STRINGCHAR = rf"{_SUTF1}|{_UTFMB}" + _TRAILCHAR = rf"{_TUTF1}|{_UTFMB}" + _STRING_RE = re.compile( + rf""" + ( + ({_LEADCHAR}|{_PAIR}) + ( + ({_STRINGCHAR}|{_PAIR})* + ({_TRAILCHAR}|{_PAIR}) + )? + )? + """, + re.VERBOSE, + ) + _HEXSTRING_RE = re.compile(r"#([\da-zA-Z]{2})+") + + def __init__(self, data: str, attr_name_overrides: _NameOidMap) -> None: + self._data = data + self._idx = 0 + + self._attr_name_overrides = attr_name_overrides + + def _has_data(self) -> bool: + return self._idx < len(self._data) + + def _peek(self) -> typing.Optional[str]: + if self._has_data(): + return self._data[self._idx] + return None + + def _read_char(self, ch: str) -> None: + if self._peek() != ch: + raise ValueError + self._idx += 1 + + def _read_re(self, pat) -> str: + match = pat.match(self._data, pos=self._idx) + if match is None: + raise ValueError + val = match.group() + self._idx += len(val) + return val + + def parse(self) -> Name: + """ + Parses the `data` string and converts it to a Name. + + According to RFC4514 section 2.1 the RDNSequence must be + reversed when converting to string representation. So, when + we parse it, we need to reverse again to get the RDNs on the + correct order. + """ + rdns = [self._parse_rdn()] + + while self._has_data(): + self._read_char(",") + rdns.append(self._parse_rdn()) + + return Name(reversed(rdns)) + + def _parse_rdn(self) -> RelativeDistinguishedName: + nas = [self._parse_na()] + while self._peek() == "+": + self._read_char("+") + nas.append(self._parse_na()) + + return RelativeDistinguishedName(nas) + + def _parse_na(self) -> NameAttribute: + try: + oid_value = self._read_re(self._OID_RE) + except ValueError: + name = self._read_re(self._DESCR_RE) + oid = self._attr_name_overrides.get( + name, _NAME_TO_NAMEOID.get(name) + ) + if oid is None: + raise ValueError + else: + oid = ObjectIdentifier(oid_value) + + self._read_char("=") + if self._peek() == "#": + value = self._read_re(self._HEXSTRING_RE) + value = binascii.unhexlify(value[1:]).decode() + else: + raw_value = self._read_re(self._STRING_RE) + value = _unescape_dn_value(raw_value) + + return NameAttribute(oid, value) diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/ocsp.py b/venv/lib/python3.12/site-packages/cryptography/x509/ocsp.py new file mode 100644 index 0000000..7054795 --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/x509/ocsp.py @@ -0,0 +1,622 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc +import datetime +import typing + +from cryptography import utils, x509 +from cryptography.hazmat.bindings._rust import ocsp +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric.types import ( + CertificateIssuerPrivateKeyTypes, +) +from cryptography.x509.base import ( + _EARLIEST_UTC_TIME, + _convert_to_naive_utc_time, + _reject_duplicate_extension, +) + + +class OCSPResponderEncoding(utils.Enum): + HASH = "By Hash" + NAME = "By Name" + + +class OCSPResponseStatus(utils.Enum): + SUCCESSFUL = 0 + MALFORMED_REQUEST = 1 + INTERNAL_ERROR = 2 + TRY_LATER = 3 + SIG_REQUIRED = 5 + UNAUTHORIZED = 6 + + +_ALLOWED_HASHES = ( + hashes.SHA1, + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, +) + + +def _verify_algorithm(algorithm: hashes.HashAlgorithm) -> None: + if not isinstance(algorithm, _ALLOWED_HASHES): + raise ValueError( + "Algorithm must be SHA1, SHA224, SHA256, SHA384, or SHA512" + ) + + +class OCSPCertStatus(utils.Enum): + GOOD = 0 + REVOKED = 1 + UNKNOWN = 2 + + +class _SingleResponse: + def __init__( + self, + cert: x509.Certificate, + issuer: x509.Certificate, + algorithm: hashes.HashAlgorithm, + cert_status: OCSPCertStatus, + this_update: datetime.datetime, + next_update: typing.Optional[datetime.datetime], + revocation_time: typing.Optional[datetime.datetime], + revocation_reason: typing.Optional[x509.ReasonFlags], + ): + if not isinstance(cert, x509.Certificate) or not isinstance( + issuer, x509.Certificate + ): + raise TypeError("cert and issuer must be a Certificate") + + _verify_algorithm(algorithm) + if not isinstance(this_update, datetime.datetime): + raise TypeError("this_update must be a datetime object") + if next_update is not None and not isinstance( + next_update, datetime.datetime + ): + raise TypeError("next_update must be a datetime object or None") + + self._cert = cert + self._issuer = issuer + self._algorithm = algorithm + self._this_update = this_update + self._next_update = next_update + + if not isinstance(cert_status, OCSPCertStatus): + raise TypeError( + "cert_status must be an item from the OCSPCertStatus enum" + ) + if cert_status is not OCSPCertStatus.REVOKED: + if revocation_time is not None: + raise ValueError( + "revocation_time can only be provided if the certificate " + "is revoked" + ) + if revocation_reason is not None: + raise ValueError( + "revocation_reason can only be provided if the certificate" + " is revoked" + ) + else: + if not isinstance(revocation_time, datetime.datetime): + raise TypeError("revocation_time must be a datetime object") + + revocation_time = _convert_to_naive_utc_time(revocation_time) + if revocation_time < _EARLIEST_UTC_TIME: + raise ValueError( + "The revocation_time must be on or after" + " 1950 January 1." + ) + + if revocation_reason is not None and not isinstance( + revocation_reason, x509.ReasonFlags + ): + raise TypeError( + "revocation_reason must be an item from the ReasonFlags " + "enum or None" + ) + + self._cert_status = cert_status + self._revocation_time = revocation_time + self._revocation_reason = revocation_reason + + +class OCSPRequest(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def issuer_key_hash(self) -> bytes: + """ + The hash of the issuer public key + """ + + @property + @abc.abstractmethod + def issuer_name_hash(self) -> bytes: + """ + The hash of the issuer name + """ + + @property + @abc.abstractmethod + def hash_algorithm(self) -> hashes.HashAlgorithm: + """ + The hash algorithm used in the issuer name and key hashes + """ + + @property + @abc.abstractmethod + def serial_number(self) -> int: + """ + The serial number of the cert whose status is being checked + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the request to DER + """ + + @property + @abc.abstractmethod + def extensions(self) -> x509.Extensions: + """ + The list of request extensions. Not single request extensions. + """ + + +class OCSPSingleResponse(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def certificate_status(self) -> OCSPCertStatus: + """ + The status of the certificate (an element from the OCSPCertStatus enum) + """ + + @property + @abc.abstractmethod + def revocation_time(self) -> typing.Optional[datetime.datetime]: + """ + The date of when the certificate was revoked or None if not + revoked. + """ + + @property + @abc.abstractmethod + def revocation_reason(self) -> typing.Optional[x509.ReasonFlags]: + """ + The reason the certificate was revoked or None if not specified or + not revoked. + """ + + @property + @abc.abstractmethod + def this_update(self) -> datetime.datetime: + """ + The most recent time at which the status being indicated is known by + the responder to have been correct + """ + + @property + @abc.abstractmethod + def next_update(self) -> typing.Optional[datetime.datetime]: + """ + The time when newer information will be available + """ + + @property + @abc.abstractmethod + def issuer_key_hash(self) -> bytes: + """ + The hash of the issuer public key + """ + + @property + @abc.abstractmethod + def issuer_name_hash(self) -> bytes: + """ + The hash of the issuer name + """ + + @property + @abc.abstractmethod + def hash_algorithm(self) -> hashes.HashAlgorithm: + """ + The hash algorithm used in the issuer name and key hashes + """ + + @property + @abc.abstractmethod + def serial_number(self) -> int: + """ + The serial number of the cert whose status is being checked + """ + + +class OCSPResponse(metaclass=abc.ABCMeta): + @property + @abc.abstractmethod + def responses(self) -> typing.Iterator[OCSPSingleResponse]: + """ + An iterator over the individual SINGLERESP structures in the + response + """ + + @property + @abc.abstractmethod + def response_status(self) -> OCSPResponseStatus: + """ + The status of the response. This is a value from the OCSPResponseStatus + enumeration + """ + + @property + @abc.abstractmethod + def signature_algorithm_oid(self) -> x509.ObjectIdentifier: + """ + The ObjectIdentifier of the signature algorithm + """ + + @property + @abc.abstractmethod + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + """ + + @property + @abc.abstractmethod + def signature(self) -> bytes: + """ + The signature bytes + """ + + @property + @abc.abstractmethod + def tbs_response_bytes(self) -> bytes: + """ + The tbsResponseData bytes + """ + + @property + @abc.abstractmethod + def certificates(self) -> typing.List[x509.Certificate]: + """ + A list of certificates used to help build a chain to verify the OCSP + response. This situation occurs when the OCSP responder uses a delegate + certificate. + """ + + @property + @abc.abstractmethod + def responder_key_hash(self) -> typing.Optional[bytes]: + """ + The responder's key hash or None + """ + + @property + @abc.abstractmethod + def responder_name(self) -> typing.Optional[x509.Name]: + """ + The responder's Name or None + """ + + @property + @abc.abstractmethod + def produced_at(self) -> datetime.datetime: + """ + The time the response was produced + """ + + @property + @abc.abstractmethod + def certificate_status(self) -> OCSPCertStatus: + """ + The status of the certificate (an element from the OCSPCertStatus enum) + """ + + @property + @abc.abstractmethod + def revocation_time(self) -> typing.Optional[datetime.datetime]: + """ + The date of when the certificate was revoked or None if not + revoked. + """ + + @property + @abc.abstractmethod + def revocation_reason(self) -> typing.Optional[x509.ReasonFlags]: + """ + The reason the certificate was revoked or None if not specified or + not revoked. + """ + + @property + @abc.abstractmethod + def this_update(self) -> datetime.datetime: + """ + The most recent time at which the status being indicated is known by + the responder to have been correct + """ + + @property + @abc.abstractmethod + def next_update(self) -> typing.Optional[datetime.datetime]: + """ + The time when newer information will be available + """ + + @property + @abc.abstractmethod + def issuer_key_hash(self) -> bytes: + """ + The hash of the issuer public key + """ + + @property + @abc.abstractmethod + def issuer_name_hash(self) -> bytes: + """ + The hash of the issuer name + """ + + @property + @abc.abstractmethod + def hash_algorithm(self) -> hashes.HashAlgorithm: + """ + The hash algorithm used in the issuer name and key hashes + """ + + @property + @abc.abstractmethod + def serial_number(self) -> int: + """ + The serial number of the cert whose status is being checked + """ + + @property + @abc.abstractmethod + def extensions(self) -> x509.Extensions: + """ + The list of response extensions. Not single response extensions. + """ + + @property + @abc.abstractmethod + def single_extensions(self) -> x509.Extensions: + """ + The list of single response extensions. Not response extensions. + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the response to DER + """ + + +class OCSPRequestBuilder: + def __init__( + self, + request: typing.Optional[ + typing.Tuple[ + x509.Certificate, x509.Certificate, hashes.HashAlgorithm + ] + ] = None, + request_hash: typing.Optional[ + typing.Tuple[bytes, bytes, int, hashes.HashAlgorithm] + ] = None, + extensions: typing.List[x509.Extension[x509.ExtensionType]] = [], + ) -> None: + self._request = request + self._request_hash = request_hash + self._extensions = extensions + + def add_certificate( + self, + cert: x509.Certificate, + issuer: x509.Certificate, + algorithm: hashes.HashAlgorithm, + ) -> OCSPRequestBuilder: + if self._request is not None or self._request_hash is not None: + raise ValueError("Only one certificate can be added to a request") + + _verify_algorithm(algorithm) + if not isinstance(cert, x509.Certificate) or not isinstance( + issuer, x509.Certificate + ): + raise TypeError("cert and issuer must be a Certificate") + + return OCSPRequestBuilder( + (cert, issuer, algorithm), self._request_hash, self._extensions + ) + + def add_certificate_by_hash( + self, + issuer_name_hash: bytes, + issuer_key_hash: bytes, + serial_number: int, + algorithm: hashes.HashAlgorithm, + ) -> OCSPRequestBuilder: + if self._request is not None or self._request_hash is not None: + raise ValueError("Only one certificate can be added to a request") + + if not isinstance(serial_number, int): + raise TypeError("serial_number must be an integer") + + _verify_algorithm(algorithm) + utils._check_bytes("issuer_name_hash", issuer_name_hash) + utils._check_bytes("issuer_key_hash", issuer_key_hash) + if algorithm.digest_size != len( + issuer_name_hash + ) or algorithm.digest_size != len(issuer_key_hash): + raise ValueError( + "issuer_name_hash and issuer_key_hash must be the same length " + "as the digest size of the algorithm" + ) + + return OCSPRequestBuilder( + self._request, + (issuer_name_hash, issuer_key_hash, serial_number, algorithm), + self._extensions, + ) + + def add_extension( + self, extval: x509.ExtensionType, critical: bool + ) -> OCSPRequestBuilder: + if not isinstance(extval, x509.ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = x509.Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return OCSPRequestBuilder( + self._request, self._request_hash, self._extensions + [extension] + ) + + def build(self) -> OCSPRequest: + if self._request is None and self._request_hash is None: + raise ValueError("You must add a certificate before building") + + return ocsp.create_ocsp_request(self) + + +class OCSPResponseBuilder: + def __init__( + self, + response: typing.Optional[_SingleResponse] = None, + responder_id: typing.Optional[ + typing.Tuple[x509.Certificate, OCSPResponderEncoding] + ] = None, + certs: typing.Optional[typing.List[x509.Certificate]] = None, + extensions: typing.List[x509.Extension[x509.ExtensionType]] = [], + ): + self._response = response + self._responder_id = responder_id + self._certs = certs + self._extensions = extensions + + def add_response( + self, + cert: x509.Certificate, + issuer: x509.Certificate, + algorithm: hashes.HashAlgorithm, + cert_status: OCSPCertStatus, + this_update: datetime.datetime, + next_update: typing.Optional[datetime.datetime], + revocation_time: typing.Optional[datetime.datetime], + revocation_reason: typing.Optional[x509.ReasonFlags], + ) -> OCSPResponseBuilder: + if self._response is not None: + raise ValueError("Only one response per OCSPResponse.") + + singleresp = _SingleResponse( + cert, + issuer, + algorithm, + cert_status, + this_update, + next_update, + revocation_time, + revocation_reason, + ) + return OCSPResponseBuilder( + singleresp, + self._responder_id, + self._certs, + self._extensions, + ) + + def responder_id( + self, encoding: OCSPResponderEncoding, responder_cert: x509.Certificate + ) -> OCSPResponseBuilder: + if self._responder_id is not None: + raise ValueError("responder_id can only be set once") + if not isinstance(responder_cert, x509.Certificate): + raise TypeError("responder_cert must be a Certificate") + if not isinstance(encoding, OCSPResponderEncoding): + raise TypeError( + "encoding must be an element from OCSPResponderEncoding" + ) + + return OCSPResponseBuilder( + self._response, + (responder_cert, encoding), + self._certs, + self._extensions, + ) + + def certificates( + self, certs: typing.Iterable[x509.Certificate] + ) -> OCSPResponseBuilder: + if self._certs is not None: + raise ValueError("certificates may only be set once") + certs = list(certs) + if len(certs) == 0: + raise ValueError("certs must not be an empty list") + if not all(isinstance(x, x509.Certificate) for x in certs): + raise TypeError("certs must be a list of Certificates") + return OCSPResponseBuilder( + self._response, + self._responder_id, + certs, + self._extensions, + ) + + def add_extension( + self, extval: x509.ExtensionType, critical: bool + ) -> OCSPResponseBuilder: + if not isinstance(extval, x509.ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = x509.Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return OCSPResponseBuilder( + self._response, + self._responder_id, + self._certs, + self._extensions + [extension], + ) + + def sign( + self, + private_key: CertificateIssuerPrivateKeyTypes, + algorithm: typing.Optional[hashes.HashAlgorithm], + ) -> OCSPResponse: + if self._response is None: + raise ValueError("You must add a response before signing") + if self._responder_id is None: + raise ValueError("You must add a responder_id before signing") + + return ocsp.create_ocsp_response( + OCSPResponseStatus.SUCCESSFUL, self, private_key, algorithm + ) + + @classmethod + def build_unsuccessful( + cls, response_status: OCSPResponseStatus + ) -> OCSPResponse: + if not isinstance(response_status, OCSPResponseStatus): + raise TypeError( + "response_status must be an item from OCSPResponseStatus" + ) + if response_status is OCSPResponseStatus.SUCCESSFUL: + raise ValueError("response_status cannot be SUCCESSFUL") + + return ocsp.create_ocsp_response(response_status, None, None, None) + + +def load_der_ocsp_request(data: bytes) -> OCSPRequest: + return ocsp.load_der_ocsp_request(data) + + +def load_der_ocsp_response(data: bytes) -> OCSPResponse: + return ocsp.load_der_ocsp_response(data) diff --git a/venv/lib/python3.12/site-packages/cryptography/x509/oid.py b/venv/lib/python3.12/site-packages/cryptography/x509/oid.py new file mode 100644 index 0000000..cda50cc --- /dev/null +++ b/venv/lib/python3.12/site-packages/cryptography/x509/oid.py @@ -0,0 +1,33 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +from cryptography.hazmat._oid import ( + AttributeOID, + AuthorityInformationAccessOID, + CertificatePoliciesOID, + CRLEntryExtensionOID, + ExtendedKeyUsageOID, + ExtensionOID, + NameOID, + ObjectIdentifier, + OCSPExtensionOID, + SignatureAlgorithmOID, + SubjectInformationAccessOID, +) + +__all__ = [ + "AttributeOID", + "AuthorityInformationAccessOID", + "CRLEntryExtensionOID", + "CertificatePoliciesOID", + "ExtendedKeyUsageOID", + "ExtensionOID", + "NameOID", + "OCSPExtensionOID", + "ObjectIdentifier", + "SignatureAlgorithmOID", + "SubjectInformationAccessOID", +] diff --git a/venv/lib/python3.12/site-packages/dns/__init__.py b/venv/lib/python3.12/site-packages/dns/__init__.py new file mode 100644 index 0000000..a4249b9 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/__init__.py @@ -0,0 +1,70 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009, 2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""dnspython DNS toolkit""" + +__all__ = [ + "asyncbackend", + "asyncquery", + "asyncresolver", + "dnssec", + "dnssecalgs", + "dnssectypes", + "e164", + "edns", + "entropy", + "exception", + "flags", + "immutable", + "inet", + "ipv4", + "ipv6", + "message", + "name", + "namedict", + "node", + "opcode", + "query", + "quic", + "rcode", + "rdata", + "rdataclass", + "rdataset", + "rdatatype", + "renderer", + "resolver", + "reversename", + "rrset", + "serial", + "set", + "tokenizer", + "transaction", + "tsig", + "tsigkeyring", + "ttl", + "rdtypes", + "update", + "version", + "versioned", + "wire", + "xfr", + "zone", + "zonetypes", + "zonefile", +] + +from 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self.enter_result + + def __exit__(self, exc_type, exc_value, traceback): + pass + + async def __aenter__(self): + return self.enter_result + + async def __aexit__(self, exc_type, exc_value, traceback): + pass + + +# These are declared here so backends can import them without creating +# circular dependencies with dns.asyncbackend. + + +class Socket: # pragma: no cover + async def close(self): + pass + + async def getpeername(self): + raise NotImplementedError + + async def getsockname(self): + raise NotImplementedError + + async def getpeercert(self, timeout): + raise NotImplementedError + + async def __aenter__(self): + return self + + async def __aexit__(self, exc_type, exc_value, traceback): + await self.close() + + +class DatagramSocket(Socket): # pragma: no cover + def __init__(self, family: int): + self.family = family + + async def sendto(self, what, destination, timeout): + raise NotImplementedError + + async def recvfrom(self, size, timeout): + raise NotImplementedError + + +class StreamSocket(Socket): # pragma: no cover + async def sendall(self, what, timeout): + raise NotImplementedError + + async def recv(self, size, timeout): + raise NotImplementedError + + +class NullTransport: + async def connect_tcp(self, host, port, timeout, local_address): + raise NotImplementedError + + +class Backend: # pragma: no cover + def name(self): + return "unknown" + + async def make_socket( + self, + af, + socktype, + proto=0, + source=None, + destination=None, + timeout=None, + ssl_context=None, + server_hostname=None, + ): + raise NotImplementedError + + def datagram_connection_required(self): + return False + + async def sleep(self, interval): + raise NotImplementedError + + def get_transport_class(self): + raise NotImplementedError + + async def wait_for(self, awaitable, timeout): + raise NotImplementedError diff --git a/venv/lib/python3.12/site-packages/dns/_asyncio_backend.py b/venv/lib/python3.12/site-packages/dns/_asyncio_backend.py new file mode 100644 index 0000000..9d9ed36 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/_asyncio_backend.py @@ -0,0 +1,275 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""asyncio library query support""" + +import asyncio +import socket +import sys + +import dns._asyncbackend +import dns._features +import dns.exception +import dns.inet + +_is_win32 = sys.platform == "win32" + + +def _get_running_loop(): + try: + return asyncio.get_running_loop() + except AttributeError: # pragma: no cover + return asyncio.get_event_loop() + + +class _DatagramProtocol: + def __init__(self): + self.transport = None + self.recvfrom = None + + def connection_made(self, transport): + self.transport = transport + + def datagram_received(self, data, addr): + if self.recvfrom and not self.recvfrom.done(): + self.recvfrom.set_result((data, addr)) + + def error_received(self, exc): # pragma: no cover + if self.recvfrom and not self.recvfrom.done(): + self.recvfrom.set_exception(exc) + + def connection_lost(self, exc): + if self.recvfrom and not self.recvfrom.done(): + if exc is None: + # EOF we triggered. Is there a better way to do this? + try: + raise EOFError + except EOFError as e: + self.recvfrom.set_exception(e) + else: + self.recvfrom.set_exception(exc) + + def close(self): + self.transport.close() + + +async def _maybe_wait_for(awaitable, timeout): + if timeout is not None: + try: + return await asyncio.wait_for(awaitable, timeout) + except asyncio.TimeoutError: + raise dns.exception.Timeout(timeout=timeout) + else: + return await awaitable + + +class DatagramSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, family, transport, protocol): + super().__init__(family) + self.transport = transport + self.protocol = protocol + + async def sendto(self, what, destination, timeout): # pragma: no cover + # no timeout for asyncio sendto + self.transport.sendto(what, destination) + return len(what) + + async def recvfrom(self, size, timeout): + # ignore size as there's no way I know to tell protocol about it + done = _get_running_loop().create_future() + try: + assert self.protocol.recvfrom is None + self.protocol.recvfrom = done + await _maybe_wait_for(done, timeout) + return done.result() + finally: + self.protocol.recvfrom = None + + async def close(self): + self.protocol.close() + + async def getpeername(self): + return self.transport.get_extra_info("peername") + + async def getsockname(self): + return self.transport.get_extra_info("sockname") + + async def getpeercert(self, timeout): + raise NotImplementedError + + +class StreamSocket(dns._asyncbackend.StreamSocket): + def __init__(self, af, reader, writer): + self.family = af + self.reader = reader + self.writer = writer + + async def sendall(self, what, timeout): + self.writer.write(what) + return await _maybe_wait_for(self.writer.drain(), timeout) + + async def recv(self, size, timeout): + return await _maybe_wait_for(self.reader.read(size), timeout) + + async def close(self): + self.writer.close() + + async def getpeername(self): + return self.writer.get_extra_info("peername") + + async def getsockname(self): + return self.writer.get_extra_info("sockname") + + async def getpeercert(self, timeout): + return self.writer.get_extra_info("peercert") + + +if dns._features.have("doh"): + import anyio + import httpcore + import httpcore._backends.anyio + import httpx + + _CoreAsyncNetworkBackend = httpcore.AsyncNetworkBackend + _CoreAnyIOStream = httpcore._backends.anyio.AnyIOStream + + from dns.query import _compute_times, _expiration_for_this_attempt, _remaining + + class _NetworkBackend(_CoreAsyncNetworkBackend): + def __init__(self, resolver, local_port, bootstrap_address, family): + super().__init__() + self._local_port = local_port + self._resolver = resolver + self._bootstrap_address = bootstrap_address + self._family = family + if local_port != 0: + raise NotImplementedError( + "the asyncio transport for HTTPX cannot set the local port" + ) + + async def connect_tcp( + self, host, port, timeout, local_address, socket_options=None + ): # pylint: disable=signature-differs + addresses = [] + _, expiration = _compute_times(timeout) + if dns.inet.is_address(host): + addresses.append(host) + elif self._bootstrap_address is not None: + addresses.append(self._bootstrap_address) + else: + timeout = _remaining(expiration) + family = self._family + if local_address: + family = dns.inet.af_for_address(local_address) + answers = await self._resolver.resolve_name( + host, family=family, lifetime=timeout + ) + addresses = answers.addresses() + for address in addresses: + try: + attempt_expiration = _expiration_for_this_attempt(2.0, expiration) + timeout = _remaining(attempt_expiration) + with anyio.fail_after(timeout): + stream = await anyio.connect_tcp( + remote_host=address, + remote_port=port, + local_host=local_address, + ) + return _CoreAnyIOStream(stream) + except Exception: + pass + raise httpcore.ConnectError + + async def connect_unix_socket( + self, path, timeout, socket_options=None + ): # pylint: disable=signature-differs + raise NotImplementedError + + async def sleep(self, seconds): # pylint: disable=signature-differs + await anyio.sleep(seconds) + + class _HTTPTransport(httpx.AsyncHTTPTransport): + def __init__( + self, + *args, + local_port=0, + bootstrap_address=None, + resolver=None, + family=socket.AF_UNSPEC, + **kwargs, + ): + if resolver is None: + # pylint: disable=import-outside-toplevel,redefined-outer-name + import dns.asyncresolver + + resolver = dns.asyncresolver.Resolver() + super().__init__(*args, **kwargs) + self._pool._network_backend = _NetworkBackend( + resolver, local_port, bootstrap_address, family + ) + +else: + _HTTPTransport = dns._asyncbackend.NullTransport # type: ignore + + +class Backend(dns._asyncbackend.Backend): + def name(self): + return "asyncio" + + async def make_socket( + self, + af, + socktype, + proto=0, + source=None, + destination=None, + timeout=None, + ssl_context=None, + server_hostname=None, + ): + loop = _get_running_loop() + if socktype == socket.SOCK_DGRAM: + if _is_win32 and source is None: + # Win32 wants explicit binding before recvfrom(). This is the + # proper fix for [#637]. + source = (dns.inet.any_for_af(af), 0) + transport, protocol = await loop.create_datagram_endpoint( + _DatagramProtocol, + source, + family=af, + proto=proto, + remote_addr=destination, + ) + return DatagramSocket(af, transport, protocol) + elif socktype == socket.SOCK_STREAM: + if destination is None: + # This shouldn't happen, but we check to make code analysis software + # happier. + raise ValueError("destination required for stream sockets") + (r, w) = await _maybe_wait_for( + asyncio.open_connection( + destination[0], + destination[1], + ssl=ssl_context, + family=af, + proto=proto, + local_addr=source, + server_hostname=server_hostname, + ), + timeout, + ) + return StreamSocket(af, r, w) + raise NotImplementedError( + "unsupported socket " + f"type {socktype}" + ) # pragma: no cover + + async def sleep(self, interval): + await asyncio.sleep(interval) + + def datagram_connection_required(self): + return False + + def get_transport_class(self): + return _HTTPTransport + + async def wait_for(self, awaitable, timeout): + return await _maybe_wait_for(awaitable, timeout) diff --git a/venv/lib/python3.12/site-packages/dns/_ddr.py b/venv/lib/python3.12/site-packages/dns/_ddr.py new file mode 100644 index 0000000..bf5c11e --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/_ddr.py @@ -0,0 +1,154 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license +# +# Support for Discovery of Designated Resolvers + +import socket +import time +from urllib.parse import urlparse + +import dns.asyncbackend +import dns.inet +import dns.name +import dns.nameserver +import dns.query +import dns.rdtypes.svcbbase + +# The special name of the local resolver when using DDR +_local_resolver_name = dns.name.from_text("_dns.resolver.arpa") + + +# +# Processing is split up into I/O independent and I/O dependent parts to +# make supporting sync and async versions easy. +# + + +class _SVCBInfo: + def __init__(self, bootstrap_address, port, hostname, nameservers): + self.bootstrap_address = bootstrap_address + self.port = port + self.hostname = hostname + self.nameservers = nameservers + + def ddr_check_certificate(self, cert): + """Verify that the _SVCBInfo's address is in the cert's subjectAltName (SAN)""" + for name, value in cert["subjectAltName"]: + if name == "IP Address" and value == self.bootstrap_address: + return True + return False + + def make_tls_context(self): + ssl = dns.query.ssl + ctx = ssl.create_default_context() + ctx.minimum_version = ssl.TLSVersion.TLSv1_2 + return ctx + + def ddr_tls_check_sync(self, lifetime): + ctx = self.make_tls_context() + expiration = time.time() + lifetime + with socket.create_connection( + (self.bootstrap_address, self.port), lifetime + ) as s: + with ctx.wrap_socket(s, server_hostname=self.hostname) as ts: + ts.settimeout(dns.query._remaining(expiration)) + ts.do_handshake() + cert = ts.getpeercert() + return self.ddr_check_certificate(cert) + + async def ddr_tls_check_async(self, lifetime, backend=None): + if backend is None: + backend = dns.asyncbackend.get_default_backend() + ctx = self.make_tls_context() + expiration = time.time() + lifetime + async with await backend.make_socket( + dns.inet.af_for_address(self.bootstrap_address), + socket.SOCK_STREAM, + 0, + None, + (self.bootstrap_address, self.port), + lifetime, + ctx, + self.hostname, + ) as ts: + cert = await ts.getpeercert(dns.query._remaining(expiration)) + return self.ddr_check_certificate(cert) + + +def _extract_nameservers_from_svcb(answer): + bootstrap_address = answer.nameserver + if not dns.inet.is_address(bootstrap_address): + return [] + infos = [] + for rr in answer.rrset.processing_order(): + nameservers = [] + param = rr.params.get(dns.rdtypes.svcbbase.ParamKey.ALPN) + if param is None: + continue + alpns = set(param.ids) + host = rr.target.to_text(omit_final_dot=True) + port = None + param = rr.params.get(dns.rdtypes.svcbbase.ParamKey.PORT) + if param is not None: + port = param.port + # For now we ignore address hints and address resolution and always use the + # bootstrap address + if b"h2" in alpns: + param = rr.params.get(dns.rdtypes.svcbbase.ParamKey.DOHPATH) + if param is None or not param.value.endswith(b"{?dns}"): + continue + path = param.value[:-6].decode() + if not path.startswith("/"): + path = "/" + path + if port is None: + port = 443 + url = f"https://{host}:{port}{path}" + # check the URL + try: + urlparse(url) + nameservers.append(dns.nameserver.DoHNameserver(url, bootstrap_address)) + except Exception: + # continue processing other ALPN types + pass + if b"dot" in alpns: + if port is None: + port = 853 + nameservers.append( + dns.nameserver.DoTNameserver(bootstrap_address, port, host) + ) + if b"doq" in alpns: + if port is None: + port = 853 + nameservers.append( + dns.nameserver.DoQNameserver(bootstrap_address, port, True, host) + ) + if len(nameservers) > 0: + infos.append(_SVCBInfo(bootstrap_address, port, host, nameservers)) + return infos + + +def _get_nameservers_sync(answer, lifetime): + """Return a list of TLS-validated resolver nameservers extracted from an SVCB + answer.""" + nameservers = [] + infos = _extract_nameservers_from_svcb(answer) + for info in infos: + try: + if info.ddr_tls_check_sync(lifetime): + nameservers.extend(info.nameservers) + except Exception: + pass + return nameservers + + +async def _get_nameservers_async(answer, lifetime): + """Return a list of TLS-validated resolver nameservers extracted from an SVCB + answer.""" + nameservers = [] + infos = _extract_nameservers_from_svcb(answer) + for info in infos: + try: + if await info.ddr_tls_check_async(lifetime): + nameservers.extend(info.nameservers) + except Exception: + pass + return nameservers diff --git a/venv/lib/python3.12/site-packages/dns/_features.py b/venv/lib/python3.12/site-packages/dns/_features.py new file mode 100644 index 0000000..03ccaa7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/_features.py @@ -0,0 +1,92 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import importlib.metadata +import itertools +import string +from typing import Dict, List, Tuple + + +def _tuple_from_text(version: str) -> Tuple: + text_parts = version.split(".") + int_parts = [] + for text_part in text_parts: + digit_prefix = "".join( + itertools.takewhile(lambda x: x in string.digits, text_part) + ) + try: + int_parts.append(int(digit_prefix)) + except Exception: + break + return tuple(int_parts) + + +def _version_check( + requirement: str, +) -> bool: + """Is the requirement fulfilled? + + The requirement must be of the form + + package>=version + """ + package, minimum = requirement.split(">=") + try: + version = importlib.metadata.version(package) + except Exception: + return False + t_version = _tuple_from_text(version) + t_minimum = _tuple_from_text(minimum) + if t_version < t_minimum: + return False + return True + + +_cache: Dict[str, bool] = {} + + +def have(feature: str) -> bool: + """Is *feature* available? + + This tests if all optional packages needed for the + feature are available and recent enough. + + Returns ``True`` if the feature is available, + and ``False`` if it is not or if metadata is + missing. + """ + value = _cache.get(feature) + if value is not None: + return value + requirements = _requirements.get(feature) + if requirements is None: + # we make a cache entry here for consistency not performance + _cache[feature] = False + return False + ok = True + for requirement in requirements: + if not _version_check(requirement): + ok = False + break + _cache[feature] = ok + return ok + + +def force(feature: str, enabled: bool) -> None: + """Force the status of *feature* to be *enabled*. + + This method is provided as a workaround for any cases + where importlib.metadata is ineffective, or for testing. + """ + _cache[feature] = enabled + + +_requirements: Dict[str, List[str]] = { + ### BEGIN generated requirements + "dnssec": ["cryptography>=41"], + "doh": ["httpcore>=1.0.0", "httpx>=0.26.0", "h2>=4.1.0"], + "doq": ["aioquic>=0.9.25"], + "idna": ["idna>=3.6"], + "trio": ["trio>=0.23"], + "wmi": ["wmi>=1.5.1"], + ### END generated requirements +} diff --git a/venv/lib/python3.12/site-packages/dns/_immutable_ctx.py b/venv/lib/python3.12/site-packages/dns/_immutable_ctx.py new file mode 100644 index 0000000..ae7a33b --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/_immutable_ctx.py @@ -0,0 +1,76 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# This implementation of the immutable decorator requires python >= +# 3.7, and is significantly more storage efficient when making classes +# with slots immutable. It's also faster. + +import contextvars +import inspect + +_in__init__ = contextvars.ContextVar("_immutable_in__init__", default=False) + + +class _Immutable: + """Immutable mixin class""" + + # We set slots to the empty list to say "we don't have any attributes". + # We do this so that if we're mixed in with a class with __slots__, we + # don't cause a __dict__ to be added which would waste space. + + __slots__ = () + + def __setattr__(self, name, value): + if _in__init__.get() is not self: + raise TypeError("object doesn't support attribute assignment") + else: + super().__setattr__(name, value) + + def __delattr__(self, name): + if _in__init__.get() is not self: + raise TypeError("object doesn't support attribute assignment") + else: + super().__delattr__(name) + + +def _immutable_init(f): + def nf(*args, **kwargs): + previous = _in__init__.set(args[0]) + try: + # call the actual __init__ + f(*args, **kwargs) + finally: + _in__init__.reset(previous) + + nf.__signature__ = inspect.signature(f) + return nf + + +def immutable(cls): + if _Immutable in cls.__mro__: + # Some ancestor already has the mixin, so just make sure we keep + # following the __init__ protocol. + cls.__init__ = _immutable_init(cls.__init__) + if hasattr(cls, "__setstate__"): + cls.__setstate__ = _immutable_init(cls.__setstate__) + ncls = cls + else: + # Mixin the Immutable class and follow the __init__ protocol. + class ncls(_Immutable, cls): + # We have to do the __slots__ declaration here too! + __slots__ = () + + @_immutable_init + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + if hasattr(cls, "__setstate__"): + + @_immutable_init + def __setstate__(self, *args, **kwargs): + super().__setstate__(*args, **kwargs) + + # make ncls have the same name and module as cls + ncls.__name__ = cls.__name__ + ncls.__qualname__ = cls.__qualname__ + ncls.__module__ = cls.__module__ + return ncls diff --git a/venv/lib/python3.12/site-packages/dns/_trio_backend.py b/venv/lib/python3.12/site-packages/dns/_trio_backend.py new file mode 100644 index 0000000..398e327 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/_trio_backend.py @@ -0,0 +1,250 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""trio async I/O library query support""" + +import socket + +import trio +import trio.socket # type: ignore + +import dns._asyncbackend +import dns._features +import dns.exception +import dns.inet + +if not dns._features.have("trio"): + raise ImportError("trio not found or too old") + + +def _maybe_timeout(timeout): + if timeout is not None: + return trio.move_on_after(timeout) + else: + return dns._asyncbackend.NullContext() + + +# for brevity +_lltuple = dns.inet.low_level_address_tuple + +# pylint: disable=redefined-outer-name + + +class DatagramSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, socket): + super().__init__(socket.family) + self.socket = socket + + async def sendto(self, what, destination, timeout): + with _maybe_timeout(timeout): + return await self.socket.sendto(what, destination) + raise dns.exception.Timeout( + timeout=timeout + ) # pragma: no cover lgtm[py/unreachable-statement] + + async def recvfrom(self, size, timeout): + with _maybe_timeout(timeout): + return await self.socket.recvfrom(size) + raise dns.exception.Timeout(timeout=timeout) # lgtm[py/unreachable-statement] + + async def close(self): + self.socket.close() + + async def getpeername(self): + return self.socket.getpeername() + + async def getsockname(self): + return self.socket.getsockname() + + async def getpeercert(self, timeout): + raise NotImplementedError + + +class StreamSocket(dns._asyncbackend.StreamSocket): + def __init__(self, family, stream, tls=False): + self.family = family + self.stream = stream + self.tls = tls + + async def sendall(self, what, timeout): + with _maybe_timeout(timeout): + return await self.stream.send_all(what) + raise dns.exception.Timeout(timeout=timeout) # lgtm[py/unreachable-statement] + + async def recv(self, size, timeout): + with _maybe_timeout(timeout): + return await self.stream.receive_some(size) + raise dns.exception.Timeout(timeout=timeout) # lgtm[py/unreachable-statement] + + async def close(self): + await self.stream.aclose() + + async def getpeername(self): + if self.tls: + return self.stream.transport_stream.socket.getpeername() + else: + return self.stream.socket.getpeername() + + async def getsockname(self): + if self.tls: + return self.stream.transport_stream.socket.getsockname() + else: + return self.stream.socket.getsockname() + + async def getpeercert(self, timeout): + if self.tls: + with _maybe_timeout(timeout): + await self.stream.do_handshake() + return self.stream.getpeercert() + else: + raise NotImplementedError + + +if dns._features.have("doh"): + import httpcore + import httpcore._backends.trio + import httpx + + _CoreAsyncNetworkBackend = httpcore.AsyncNetworkBackend + _CoreTrioStream = httpcore._backends.trio.TrioStream + + from dns.query import _compute_times, _expiration_for_this_attempt, _remaining + + class _NetworkBackend(_CoreAsyncNetworkBackend): + def __init__(self, resolver, local_port, bootstrap_address, family): + super().__init__() + self._local_port = local_port + self._resolver = resolver + self._bootstrap_address = bootstrap_address + self._family = family + + async def connect_tcp( + self, host, port, timeout, local_address, socket_options=None + ): # pylint: disable=signature-differs + addresses = [] + _, expiration = _compute_times(timeout) + if dns.inet.is_address(host): + addresses.append(host) + elif self._bootstrap_address is not None: + addresses.append(self._bootstrap_address) + else: + timeout = _remaining(expiration) + family = self._family + if local_address: + family = dns.inet.af_for_address(local_address) + answers = await self._resolver.resolve_name( + host, family=family, lifetime=timeout + ) + addresses = answers.addresses() + for address in addresses: + try: + af = dns.inet.af_for_address(address) + if local_address is not None or self._local_port != 0: + source = (local_address, self._local_port) + else: + source = None + destination = (address, port) + attempt_expiration = _expiration_for_this_attempt(2.0, expiration) + timeout = _remaining(attempt_expiration) + sock = await Backend().make_socket( + af, socket.SOCK_STREAM, 0, source, destination, timeout + ) + return _CoreTrioStream(sock.stream) + except Exception: + continue + raise httpcore.ConnectError + + async def connect_unix_socket( + self, path, timeout, socket_options=None + ): # pylint: disable=signature-differs + raise NotImplementedError + + async def sleep(self, seconds): # pylint: disable=signature-differs + await trio.sleep(seconds) + + class _HTTPTransport(httpx.AsyncHTTPTransport): + def __init__( + self, + *args, + local_port=0, + bootstrap_address=None, + resolver=None, + family=socket.AF_UNSPEC, + **kwargs, + ): + if resolver is None: + # pylint: disable=import-outside-toplevel,redefined-outer-name + import dns.asyncresolver + + resolver = dns.asyncresolver.Resolver() + super().__init__(*args, **kwargs) + self._pool._network_backend = _NetworkBackend( + resolver, local_port, bootstrap_address, family + ) + +else: + _HTTPTransport = dns._asyncbackend.NullTransport # type: ignore + + +class Backend(dns._asyncbackend.Backend): + def name(self): + return "trio" + + async def make_socket( + self, + af, + socktype, + proto=0, + source=None, + destination=None, + timeout=None, + ssl_context=None, + server_hostname=None, + ): + s = trio.socket.socket(af, socktype, proto) + stream = None + try: + if source: + await s.bind(_lltuple(source, af)) + if socktype == socket.SOCK_STREAM: + connected = False + with _maybe_timeout(timeout): + await s.connect(_lltuple(destination, af)) + connected = True + if not connected: + raise dns.exception.Timeout( + timeout=timeout + ) # lgtm[py/unreachable-statement] + except Exception: # pragma: no cover + s.close() + raise + if socktype == socket.SOCK_DGRAM: + return DatagramSocket(s) + elif socktype == socket.SOCK_STREAM: + stream = trio.SocketStream(s) + tls = False + if ssl_context: + tls = True + try: + stream = trio.SSLStream( + stream, ssl_context, server_hostname=server_hostname + ) + except Exception: # pragma: no cover + await stream.aclose() + raise + return StreamSocket(af, stream, tls) + raise NotImplementedError( + "unsupported socket " + f"type {socktype}" + ) # pragma: no cover + + async def sleep(self, interval): + await trio.sleep(interval) + + def get_transport_class(self): + return _HTTPTransport + + async def wait_for(self, awaitable, timeout): + with _maybe_timeout(timeout): + return await awaitable + raise dns.exception.Timeout( + timeout=timeout + ) # pragma: no cover lgtm[py/unreachable-statement] diff --git a/venv/lib/python3.12/site-packages/dns/asyncbackend.py b/venv/lib/python3.12/site-packages/dns/asyncbackend.py new file mode 100644 index 0000000..0ec58b0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/asyncbackend.py @@ -0,0 +1,101 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +from typing import Dict + +import dns.exception + +# pylint: disable=unused-import +from dns._asyncbackend import ( # noqa: F401 lgtm[py/unused-import] + Backend, + DatagramSocket, + Socket, + StreamSocket, +) + +# pylint: enable=unused-import + +_default_backend = None + +_backends: Dict[str, Backend] = {} + +# Allow sniffio import to be disabled for testing purposes +_no_sniffio = False + + +class AsyncLibraryNotFoundError(dns.exception.DNSException): + pass + + +def get_backend(name: str) -> Backend: + """Get the specified asynchronous backend. + + *name*, a ``str``, the name of the backend. Currently the "trio" + and "asyncio" backends are available. + + Raises NotImplementedError if an unknown backend name is specified. + """ + # pylint: disable=import-outside-toplevel,redefined-outer-name + backend = _backends.get(name) + if backend: + return backend + if name == "trio": + import dns._trio_backend + + backend = dns._trio_backend.Backend() + elif name == "asyncio": + import dns._asyncio_backend + + backend = dns._asyncio_backend.Backend() + else: + raise NotImplementedError(f"unimplemented async backend {name}") + _backends[name] = backend + return backend + + +def sniff() -> str: + """Attempt to determine the in-use asynchronous I/O library by using + the ``sniffio`` module if it is available. + + Returns the name of the library, or raises AsyncLibraryNotFoundError + if the library cannot be determined. + """ + # pylint: disable=import-outside-toplevel + try: + if _no_sniffio: + raise ImportError + import sniffio + + try: + return sniffio.current_async_library() + except sniffio.AsyncLibraryNotFoundError: + raise AsyncLibraryNotFoundError("sniffio cannot determine async library") + except ImportError: + import asyncio + + try: + asyncio.get_running_loop() + return "asyncio" + except RuntimeError: + raise AsyncLibraryNotFoundError("no async library detected") + + +def get_default_backend() -> Backend: + """Get the default backend, initializing it if necessary.""" + if _default_backend: + return _default_backend + + return set_default_backend(sniff()) + + +def set_default_backend(name: str) -> Backend: + """Set the default backend. + + It's not normally necessary to call this method, as + ``get_default_backend()`` will initialize the backend + appropriately in many cases. If ``sniffio`` is not installed, or + in testing situations, this function allows the backend to be set + explicitly. + """ + global _default_backend + _default_backend = get_backend(name) + return _default_backend diff --git a/venv/lib/python3.12/site-packages/dns/asyncquery.py b/venv/lib/python3.12/site-packages/dns/asyncquery.py new file mode 100644 index 0000000..4d9ab9a --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/asyncquery.py @@ -0,0 +1,780 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Talk to a DNS server.""" + +import base64 +import contextlib +import socket +import struct +import time +from typing import Any, Dict, Optional, Tuple, Union + +import dns.asyncbackend +import dns.exception +import dns.inet +import dns.message +import dns.name +import dns.quic +import dns.rcode +import dns.rdataclass +import dns.rdatatype +import dns.transaction +from dns._asyncbackend import NullContext +from dns.query import ( + BadResponse, + NoDOH, + NoDOQ, + UDPMode, + _compute_times, + _make_dot_ssl_context, + _matches_destination, + _remaining, + have_doh, + ssl, +) + +if have_doh: + import httpx + +# for brevity +_lltuple = dns.inet.low_level_address_tuple + + +def _source_tuple(af, address, port): + # Make a high level source tuple, or return None if address and port + # are both None + if address or port: + if address is None: + if af == socket.AF_INET: + address = "0.0.0.0" + elif af == socket.AF_INET6: + address = "::" + else: + raise NotImplementedError(f"unknown address family {af}") + return (address, port) + else: + return None + + +def _timeout(expiration, now=None): + if expiration is not None: + if not now: + now = time.time() + return max(expiration - now, 0) + else: + return None + + +async def send_udp( + sock: dns.asyncbackend.DatagramSocket, + what: Union[dns.message.Message, bytes], + destination: Any, + expiration: Optional[float] = None, +) -> Tuple[int, float]: + """Send a DNS message to the specified UDP socket. + + *sock*, a ``dns.asyncbackend.DatagramSocket``. + + *what*, a ``bytes`` or ``dns.message.Message``, the message to send. + + *destination*, a destination tuple appropriate for the address family + of the socket, specifying where to send the query. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. The expiration value is meaningless for the asyncio backend, as + asyncio's transport sendto() never blocks. + + Returns an ``(int, float)`` tuple of bytes sent and the sent time. + """ + + if isinstance(what, dns.message.Message): + what = what.to_wire() + sent_time = time.time() + n = await sock.sendto(what, destination, _timeout(expiration, sent_time)) + return (n, sent_time) + + +async def receive_udp( + sock: dns.asyncbackend.DatagramSocket, + destination: Optional[Any] = None, + expiration: Optional[float] = None, + ignore_unexpected: bool = False, + one_rr_per_rrset: bool = False, + keyring: Optional[Dict[dns.name.Name, dns.tsig.Key]] = None, + request_mac: Optional[bytes] = b"", + ignore_trailing: bool = False, + raise_on_truncation: bool = False, + ignore_errors: bool = False, + query: Optional[dns.message.Message] = None, +) -> Any: + """Read a DNS message from a UDP socket. + + *sock*, a ``dns.asyncbackend.DatagramSocket``. + + See :py:func:`dns.query.receive_udp()` for the documentation of the other + parameters, and exceptions. + + Returns a ``(dns.message.Message, float, tuple)`` tuple of the received message, the + received time, and the address where the message arrived from. + """ + + wire = b"" + while True: + (wire, from_address) = await sock.recvfrom(65535, _timeout(expiration)) + if not _matches_destination( + sock.family, from_address, destination, ignore_unexpected + ): + continue + received_time = time.time() + try: + r = dns.message.from_wire( + wire, + keyring=keyring, + request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + raise_on_truncation=raise_on_truncation, + ) + except dns.message.Truncated as e: + # See the comment in query.py for details. + if ( + ignore_errors + and query is not None + and not query.is_response(e.message()) + ): + continue + else: + raise + except Exception: + if ignore_errors: + continue + else: + raise + if ignore_errors and query is not None and not query.is_response(r): + continue + return (r, received_time, from_address) + + +async def udp( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 53, + source: Optional[str] = None, + source_port: int = 0, + ignore_unexpected: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + raise_on_truncation: bool = False, + sock: Optional[dns.asyncbackend.DatagramSocket] = None, + backend: Optional[dns.asyncbackend.Backend] = None, + ignore_errors: bool = False, +) -> dns.message.Message: + """Return the response obtained after sending a query via UDP. + + *sock*, a ``dns.asyncbackend.DatagramSocket``, or ``None``, + the socket to use for the query. If ``None``, the default, a + socket is created. Note that if a socket is provided, the + *source*, *source_port*, and *backend* are ignored. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.udp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + af = dns.inet.af_for_address(where) + destination = _lltuple((where, port), af) + if sock: + cm: contextlib.AbstractAsyncContextManager = NullContext(sock) + else: + if not backend: + backend = dns.asyncbackend.get_default_backend() + stuple = _source_tuple(af, source, source_port) + if backend.datagram_connection_required(): + dtuple = (where, port) + else: + dtuple = None + cm = await backend.make_socket(af, socket.SOCK_DGRAM, 0, stuple, dtuple) + async with cm as s: + await send_udp(s, wire, destination, expiration) + (r, received_time, _) = await receive_udp( + s, + destination, + expiration, + ignore_unexpected, + one_rr_per_rrset, + q.keyring, + q.mac, + ignore_trailing, + raise_on_truncation, + ignore_errors, + q, + ) + r.time = received_time - begin_time + # We don't need to check q.is_response() if we are in ignore_errors mode + # as receive_udp() will have checked it. + if not (ignore_errors or q.is_response(r)): + raise BadResponse + return r + + +async def udp_with_fallback( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 53, + source: Optional[str] = None, + source_port: int = 0, + ignore_unexpected: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + udp_sock: Optional[dns.asyncbackend.DatagramSocket] = None, + tcp_sock: Optional[dns.asyncbackend.StreamSocket] = None, + backend: Optional[dns.asyncbackend.Backend] = None, + ignore_errors: bool = False, +) -> Tuple[dns.message.Message, bool]: + """Return the response to the query, trying UDP first and falling back + to TCP if UDP results in a truncated response. + + *udp_sock*, a ``dns.asyncbackend.DatagramSocket``, or ``None``, + the socket to use for the UDP query. If ``None``, the default, a + socket is created. Note that if a socket is provided the *source*, + *source_port*, and *backend* are ignored for the UDP query. + + *tcp_sock*, a ``dns.asyncbackend.StreamSocket``, or ``None``, the + socket to use for the TCP query. If ``None``, the default, a + socket is created. Note that if a socket is provided *where*, + *source*, *source_port*, and *backend* are ignored for the TCP query. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.udp_with_fallback()` for the documentation + of the other parameters, exceptions, and return type of this + method. + """ + try: + response = await udp( + q, + where, + timeout, + port, + source, + source_port, + ignore_unexpected, + one_rr_per_rrset, + ignore_trailing, + True, + udp_sock, + backend, + ignore_errors, + ) + return (response, False) + except dns.message.Truncated: + response = await tcp( + q, + where, + timeout, + port, + source, + source_port, + one_rr_per_rrset, + ignore_trailing, + tcp_sock, + backend, + ) + return (response, True) + + +async def send_tcp( + sock: dns.asyncbackend.StreamSocket, + what: Union[dns.message.Message, bytes], + expiration: Optional[float] = None, +) -> Tuple[int, float]: + """Send a DNS message to the specified TCP socket. + + *sock*, a ``dns.asyncbackend.StreamSocket``. + + See :py:func:`dns.query.send_tcp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + if isinstance(what, dns.message.Message): + tcpmsg = what.to_wire(prepend_length=True) + else: + # copying the wire into tcpmsg is inefficient, but lets us + # avoid writev() or doing a short write that would get pushed + # onto the net + tcpmsg = len(what).to_bytes(2, "big") + what + sent_time = time.time() + await sock.sendall(tcpmsg, _timeout(expiration, sent_time)) + return (len(tcpmsg), sent_time) + + +async def _read_exactly(sock, count, expiration): + """Read the specified number of bytes from stream. Keep trying until we + either get the desired amount, or we hit EOF. + """ + s = b"" + while count > 0: + n = await sock.recv(count, _timeout(expiration)) + if n == b"": + raise EOFError + count = count - len(n) + s = s + n + return s + + +async def receive_tcp( + sock: dns.asyncbackend.StreamSocket, + expiration: Optional[float] = None, + one_rr_per_rrset: bool = False, + keyring: Optional[Dict[dns.name.Name, dns.tsig.Key]] = None, + request_mac: Optional[bytes] = b"", + ignore_trailing: bool = False, +) -> Tuple[dns.message.Message, float]: + """Read a DNS message from a TCP socket. + + *sock*, a ``dns.asyncbackend.StreamSocket``. + + See :py:func:`dns.query.receive_tcp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + ldata = await _read_exactly(sock, 2, expiration) + (l,) = struct.unpack("!H", ldata) + wire = await _read_exactly(sock, l, expiration) + received_time = time.time() + r = dns.message.from_wire( + wire, + keyring=keyring, + request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + return (r, received_time) + + +async def tcp( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 53, + source: Optional[str] = None, + source_port: int = 0, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + sock: Optional[dns.asyncbackend.StreamSocket] = None, + backend: Optional[dns.asyncbackend.Backend] = None, +) -> dns.message.Message: + """Return the response obtained after sending a query via TCP. + + *sock*, a ``dns.asyncbacket.StreamSocket``, or ``None``, the + socket to use for the query. If ``None``, the default, a socket + is created. Note that if a socket is provided + *where*, *port*, *source*, *source_port*, and *backend* are ignored. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.tcp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + if sock: + # Verify that the socket is connected, as if it's not connected, + # it's not writable, and the polling in send_tcp() will time out or + # hang forever. + await sock.getpeername() + cm: contextlib.AbstractAsyncContextManager = NullContext(sock) + else: + # These are simple (address, port) pairs, not family-dependent tuples + # you pass to low-level socket code. + af = dns.inet.af_for_address(where) + stuple = _source_tuple(af, source, source_port) + dtuple = (where, port) + if not backend: + backend = dns.asyncbackend.get_default_backend() + cm = await backend.make_socket( + af, socket.SOCK_STREAM, 0, stuple, dtuple, timeout + ) + async with cm as s: + await send_tcp(s, wire, expiration) + (r, received_time) = await receive_tcp( + s, expiration, one_rr_per_rrset, q.keyring, q.mac, ignore_trailing + ) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + + +async def tls( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 853, + source: Optional[str] = None, + source_port: int = 0, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + sock: Optional[dns.asyncbackend.StreamSocket] = None, + backend: Optional[dns.asyncbackend.Backend] = None, + ssl_context: Optional[ssl.SSLContext] = None, + server_hostname: Optional[str] = None, + verify: Union[bool, str] = True, +) -> dns.message.Message: + """Return the response obtained after sending a query via TLS. + + *sock*, an ``asyncbackend.StreamSocket``, or ``None``, the socket + to use for the query. If ``None``, the default, a socket is + created. Note that if a socket is provided, it must be a + connected SSL stream socket, and *where*, *port*, + *source*, *source_port*, *backend*, *ssl_context*, and *server_hostname* + are ignored. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.tls()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + (begin_time, expiration) = _compute_times(timeout) + if sock: + cm: contextlib.AbstractAsyncContextManager = NullContext(sock) + else: + if ssl_context is None: + ssl_context = _make_dot_ssl_context(server_hostname, verify) + af = dns.inet.af_for_address(where) + stuple = _source_tuple(af, source, source_port) + dtuple = (where, port) + if not backend: + backend = dns.asyncbackend.get_default_backend() + cm = await backend.make_socket( + af, + socket.SOCK_STREAM, + 0, + stuple, + dtuple, + timeout, + ssl_context, + server_hostname, + ) + async with cm as s: + timeout = _timeout(expiration) + response = await tcp( + q, + where, + timeout, + port, + source, + source_port, + one_rr_per_rrset, + ignore_trailing, + s, + backend, + ) + end_time = time.time() + response.time = end_time - begin_time + return response + + +async def https( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 443, + source: Optional[str] = None, + source_port: int = 0, # pylint: disable=W0613 + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + client: Optional["httpx.AsyncClient"] = None, + path: str = "/dns-query", + post: bool = True, + verify: Union[bool, str] = True, + bootstrap_address: Optional[str] = None, + resolver: Optional["dns.asyncresolver.Resolver"] = None, + family: Optional[int] = socket.AF_UNSPEC, +) -> dns.message.Message: + """Return the response obtained after sending a query via DNS-over-HTTPS. + + *client*, a ``httpx.AsyncClient``. If provided, the client to use for + the query. + + Unlike the other dnspython async functions, a backend cannot be provided + in this function because httpx always auto-detects the async backend. + + See :py:func:`dns.query.https()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + if not have_doh: + raise NoDOH # pragma: no cover + if client and not isinstance(client, httpx.AsyncClient): + raise ValueError("session parameter must be an httpx.AsyncClient") + + wire = q.to_wire() + try: + af = dns.inet.af_for_address(where) + except ValueError: + af = None + transport = None + headers = {"accept": "application/dns-message"} + if af is not None and dns.inet.is_address(where): + if af == socket.AF_INET: + url = "https://{}:{}{}".format(where, port, path) + elif af == socket.AF_INET6: + url = "https://[{}]:{}{}".format(where, port, path) + else: + url = where + + backend = dns.asyncbackend.get_default_backend() + + if source is None: + local_address = None + local_port = 0 + else: + local_address = source + local_port = source_port + transport = backend.get_transport_class()( + local_address=local_address, + http1=True, + http2=True, + verify=verify, + local_port=local_port, + bootstrap_address=bootstrap_address, + resolver=resolver, + family=family, + ) + + if client: + cm: contextlib.AbstractAsyncContextManager = NullContext(client) + else: + cm = httpx.AsyncClient( + http1=True, http2=True, verify=verify, transport=transport + ) + + async with cm as the_client: + # see https://tools.ietf.org/html/rfc8484#section-4.1.1 for DoH + # GET and POST examples + if post: + headers.update( + { + "content-type": "application/dns-message", + "content-length": str(len(wire)), + } + ) + response = await backend.wait_for( + the_client.post(url, headers=headers, content=wire), timeout + ) + else: + wire = base64.urlsafe_b64encode(wire).rstrip(b"=") + twire = wire.decode() # httpx does a repr() if we give it bytes + response = await backend.wait_for( + the_client.get(url, headers=headers, params={"dns": twire}), timeout + ) + + # see https://tools.ietf.org/html/rfc8484#section-4.2.1 for info about DoH + # status codes + if response.status_code < 200 or response.status_code > 299: + raise ValueError( + "{} responded with status code {}" + "\nResponse body: {!r}".format( + where, response.status_code, response.content + ) + ) + r = dns.message.from_wire( + response.content, + keyring=q.keyring, + request_mac=q.request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + r.time = response.elapsed.total_seconds() + if not q.is_response(r): + raise BadResponse + return r + + +async def inbound_xfr( + where: str, + txn_manager: dns.transaction.TransactionManager, + query: Optional[dns.message.Message] = None, + port: int = 53, + timeout: Optional[float] = None, + lifetime: Optional[float] = None, + source: Optional[str] = None, + source_port: int = 0, + udp_mode: UDPMode = UDPMode.NEVER, + backend: Optional[dns.asyncbackend.Backend] = None, +) -> None: + """Conduct an inbound transfer and apply it via a transaction from the + txn_manager. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.inbound_xfr()` for the documentation of + the other parameters, exceptions, and return type of this method. + """ + if query is None: + (query, serial) = dns.xfr.make_query(txn_manager) + else: + serial = dns.xfr.extract_serial_from_query(query) + rdtype = query.question[0].rdtype + is_ixfr = rdtype == dns.rdatatype.IXFR + origin = txn_manager.from_wire_origin() + wire = query.to_wire() + af = dns.inet.af_for_address(where) + stuple = _source_tuple(af, source, source_port) + dtuple = (where, port) + (_, expiration) = _compute_times(lifetime) + retry = True + while retry: + retry = False + if is_ixfr and udp_mode != UDPMode.NEVER: + sock_type = socket.SOCK_DGRAM + is_udp = True + else: + sock_type = socket.SOCK_STREAM + is_udp = False + if not backend: + backend = dns.asyncbackend.get_default_backend() + s = await backend.make_socket( + af, sock_type, 0, stuple, dtuple, _timeout(expiration) + ) + async with s: + if is_udp: + await s.sendto(wire, dtuple, _timeout(expiration)) + else: + tcpmsg = struct.pack("!H", len(wire)) + wire + await s.sendall(tcpmsg, expiration) + with dns.xfr.Inbound(txn_manager, rdtype, serial, is_udp) as inbound: + done = False + tsig_ctx = None + while not done: + (_, mexpiration) = _compute_times(timeout) + if mexpiration is None or ( + expiration is not None and mexpiration > expiration + ): + mexpiration = expiration + if is_udp: + destination = _lltuple((where, port), af) + while True: + timeout = _timeout(mexpiration) + (rwire, from_address) = await s.recvfrom(65535, timeout) + if _matches_destination( + af, from_address, destination, True + ): + break + else: + ldata = await _read_exactly(s, 2, mexpiration) + (l,) = struct.unpack("!H", ldata) + rwire = await _read_exactly(s, l, mexpiration) + is_ixfr = rdtype == dns.rdatatype.IXFR + r = dns.message.from_wire( + rwire, + keyring=query.keyring, + request_mac=query.mac, + xfr=True, + origin=origin, + tsig_ctx=tsig_ctx, + multi=(not is_udp), + one_rr_per_rrset=is_ixfr, + ) + try: + done = inbound.process_message(r) + except dns.xfr.UseTCP: + assert is_udp # should not happen if we used TCP! + if udp_mode == UDPMode.ONLY: + raise + done = True + retry = True + udp_mode = UDPMode.NEVER + continue + tsig_ctx = r.tsig_ctx + if not retry and query.keyring and not r.had_tsig: + raise dns.exception.FormError("missing TSIG") + + +async def quic( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 853, + source: Optional[str] = None, + source_port: int = 0, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + connection: Optional[dns.quic.AsyncQuicConnection] = None, + verify: Union[bool, str] = True, + backend: Optional[dns.asyncbackend.Backend] = None, + server_hostname: Optional[str] = None, +) -> dns.message.Message: + """Return the response obtained after sending an asynchronous query via + DNS-over-QUIC. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.quic()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + if not dns.quic.have_quic: + raise NoDOQ("DNS-over-QUIC is not available.") # pragma: no cover + + q.id = 0 + wire = q.to_wire() + the_connection: dns.quic.AsyncQuicConnection + if connection: + cfactory = dns.quic.null_factory + mfactory = dns.quic.null_factory + the_connection = connection + else: + (cfactory, mfactory) = dns.quic.factories_for_backend(backend) + + async with cfactory() as context: + async with mfactory( + context, verify_mode=verify, server_name=server_hostname + ) as the_manager: + if not connection: + the_connection = the_manager.connect(where, port, source, source_port) + (start, expiration) = _compute_times(timeout) + stream = await the_connection.make_stream(timeout) + async with stream: + await stream.send(wire, True) + wire = await stream.receive(_remaining(expiration)) + finish = time.time() + r = dns.message.from_wire( + wire, + keyring=q.keyring, + request_mac=q.request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + r.time = max(finish - start, 0.0) + if not q.is_response(r): + raise BadResponse + return r diff --git a/venv/lib/python3.12/site-packages/dns/asyncresolver.py b/venv/lib/python3.12/site-packages/dns/asyncresolver.py new file mode 100644 index 0000000..8f5e062 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/asyncresolver.py @@ -0,0 +1,475 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Asynchronous DNS stub resolver.""" + +import socket +import time +from typing import Any, Dict, List, Optional, Union + +import dns._ddr +import dns.asyncbackend +import dns.asyncquery +import dns.exception +import dns.name +import dns.query +import dns.rdataclass +import dns.rdatatype +import dns.resolver # lgtm[py/import-and-import-from] + +# import some resolver symbols for brevity +from dns.resolver import NXDOMAIN, NoAnswer, NoRootSOA, NotAbsolute + +# for indentation purposes below +_udp = dns.asyncquery.udp +_tcp = dns.asyncquery.tcp + + +class Resolver(dns.resolver.BaseResolver): + """Asynchronous DNS stub resolver.""" + + async def resolve( + self, + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, + search: Optional[bool] = None, + backend: Optional[dns.asyncbackend.Backend] = None, + ) -> dns.resolver.Answer: + """Query nameservers asynchronously to find the answer to the question. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.resolver.Resolver.resolve()` for the + documentation of the other parameters, exceptions, and return + type of this method. + """ + + resolution = dns.resolver._Resolution( + self, qname, rdtype, rdclass, tcp, raise_on_no_answer, search + ) + if not backend: + backend = dns.asyncbackend.get_default_backend() + start = time.time() + while True: + (request, answer) = resolution.next_request() + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + # cache hit! + return answer + assert request is not None # needed for type checking + done = False + while not done: + (nameserver, tcp, backoff) = resolution.next_nameserver() + if backoff: + await backend.sleep(backoff) + timeout = self._compute_timeout(start, lifetime, resolution.errors) + try: + response = await nameserver.async_query( + request, + timeout=timeout, + source=source, + source_port=source_port, + max_size=tcp, + backend=backend, + ) + except Exception as ex: + (_, done) = resolution.query_result(None, ex) + continue + (answer, done) = resolution.query_result(response, None) + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + return answer + + async def resolve_address( + self, ipaddr: str, *args: Any, **kwargs: Any + ) -> dns.resolver.Answer: + """Use an asynchronous resolver to run a reverse query for PTR + records. + + This utilizes the resolve() method to perform a PTR lookup on the + specified IP address. + + *ipaddr*, a ``str``, the IPv4 or IPv6 address you want to get + the PTR record for. + + All other arguments that can be passed to the resolve() function + except for rdtype and rdclass are also supported by this + function. + + """ + # We make a modified kwargs for type checking happiness, as otherwise + # we get a legit warning about possibly having rdtype and rdclass + # in the kwargs more than once. + modified_kwargs: Dict[str, Any] = {} + modified_kwargs.update(kwargs) + modified_kwargs["rdtype"] = dns.rdatatype.PTR + modified_kwargs["rdclass"] = dns.rdataclass.IN + return await self.resolve( + dns.reversename.from_address(ipaddr), *args, **modified_kwargs + ) + + async def resolve_name( + self, + name: Union[dns.name.Name, str], + family: int = socket.AF_UNSPEC, + **kwargs: Any, + ) -> dns.resolver.HostAnswers: + """Use an asynchronous resolver to query for address records. + + This utilizes the resolve() method to perform A and/or AAAA lookups on + the specified name. + + *qname*, a ``dns.name.Name`` or ``str``, the name to resolve. + + *family*, an ``int``, the address family. If socket.AF_UNSPEC + (the default), both A and AAAA records will be retrieved. + + All other arguments that can be passed to the resolve() function + except for rdtype and rdclass are also supported by this + function. + """ + # We make a modified kwargs for type checking happiness, as otherwise + # we get a legit warning about possibly having rdtype and rdclass + # in the kwargs more than once. + modified_kwargs: Dict[str, Any] = {} + modified_kwargs.update(kwargs) + modified_kwargs.pop("rdtype", None) + modified_kwargs["rdclass"] = dns.rdataclass.IN + + if family == socket.AF_INET: + v4 = await self.resolve(name, dns.rdatatype.A, **modified_kwargs) + return dns.resolver.HostAnswers.make(v4=v4) + elif family == socket.AF_INET6: + v6 = await self.resolve(name, dns.rdatatype.AAAA, **modified_kwargs) + return dns.resolver.HostAnswers.make(v6=v6) + elif family != socket.AF_UNSPEC: + raise NotImplementedError(f"unknown address family {family}") + + raise_on_no_answer = modified_kwargs.pop("raise_on_no_answer", True) + lifetime = modified_kwargs.pop("lifetime", None) + start = time.time() + v6 = await self.resolve( + name, + dns.rdatatype.AAAA, + raise_on_no_answer=False, + lifetime=self._compute_timeout(start, lifetime), + **modified_kwargs, + ) + # Note that setting name ensures we query the same name + # for A as we did for AAAA. (This is just in case search lists + # are active by default in the resolver configuration and + # we might be talking to a server that says NXDOMAIN when it + # wants to say NOERROR no data. + name = v6.qname + v4 = await self.resolve( + name, + dns.rdatatype.A, + raise_on_no_answer=False, + lifetime=self._compute_timeout(start, lifetime), + **modified_kwargs, + ) + answers = dns.resolver.HostAnswers.make( + v6=v6, v4=v4, add_empty=not raise_on_no_answer + ) + if not answers: + raise NoAnswer(response=v6.response) + return answers + + # pylint: disable=redefined-outer-name + + async def canonical_name(self, name: Union[dns.name.Name, str]) -> dns.name.Name: + """Determine the canonical name of *name*. + + The canonical name is the name the resolver uses for queries + after all CNAME and DNAME renamings have been applied. + + *name*, a ``dns.name.Name`` or ``str``, the query name. + + This method can raise any exception that ``resolve()`` can + raise, other than ``dns.resolver.NoAnswer`` and + ``dns.resolver.NXDOMAIN``. + + Returns a ``dns.name.Name``. + """ + try: + answer = await self.resolve(name, raise_on_no_answer=False) + canonical_name = answer.canonical_name + except dns.resolver.NXDOMAIN as e: + canonical_name = e.canonical_name + return canonical_name + + async def try_ddr(self, lifetime: float = 5.0) -> None: + """Try to update the resolver's nameservers using Discovery of Designated + Resolvers (DDR). If successful, the resolver will subsequently use + DNS-over-HTTPS or DNS-over-TLS for future queries. + + *lifetime*, a float, is the maximum time to spend attempting DDR. The default + is 5 seconds. + + If the SVCB query is successful and results in a non-empty list of nameservers, + then the resolver's nameservers are set to the returned servers in priority + order. + + The current implementation does not use any address hints from the SVCB record, + nor does it resolve addresses for the SCVB target name, rather it assumes that + the bootstrap nameserver will always be one of the addresses and uses it. + A future revision to the code may offer fuller support. The code verifies that + the bootstrap nameserver is in the Subject Alternative Name field of the + TLS certficate. + """ + try: + expiration = time.time() + lifetime + answer = await self.resolve( + dns._ddr._local_resolver_name, "svcb", lifetime=lifetime + ) + timeout = dns.query._remaining(expiration) + nameservers = await dns._ddr._get_nameservers_async(answer, timeout) + if len(nameservers) > 0: + self.nameservers = nameservers + except Exception: + pass + + +default_resolver = None + + +def get_default_resolver() -> Resolver: + """Get the default asynchronous resolver, initializing it if necessary.""" + if default_resolver is None: + reset_default_resolver() + assert default_resolver is not None + return default_resolver + + +def reset_default_resolver() -> None: + """Re-initialize default asynchronous resolver. + + Note that the resolver configuration (i.e. /etc/resolv.conf on UNIX + systems) will be re-read immediately. + """ + + global default_resolver + default_resolver = Resolver() + + +async def resolve( + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, + search: Optional[bool] = None, + backend: Optional[dns.asyncbackend.Backend] = None, +) -> dns.resolver.Answer: + """Query nameservers asynchronously to find the answer to the question. + + This is a convenience function that uses the default resolver + object to make the query. + + See :py:func:`dns.asyncresolver.Resolver.resolve` for more + information on the parameters. + """ + + return await get_default_resolver().resolve( + qname, + rdtype, + rdclass, + tcp, + source, + raise_on_no_answer, + source_port, + lifetime, + search, + backend, + ) + + +async def resolve_address( + ipaddr: str, *args: Any, **kwargs: Any +) -> dns.resolver.Answer: + """Use a resolver to run a reverse query for PTR records. + + See :py:func:`dns.asyncresolver.Resolver.resolve_address` for more + information on the parameters. + """ + + return await get_default_resolver().resolve_address(ipaddr, *args, **kwargs) + + +async def resolve_name( + name: Union[dns.name.Name, str], family: int = socket.AF_UNSPEC, **kwargs: Any +) -> dns.resolver.HostAnswers: + """Use a resolver to asynchronously query for address records. + + See :py:func:`dns.asyncresolver.Resolver.resolve_name` for more + information on the parameters. + """ + + return await get_default_resolver().resolve_name(name, family, **kwargs) + + +async def canonical_name(name: Union[dns.name.Name, str]) -> dns.name.Name: + """Determine the canonical name of *name*. + + See :py:func:`dns.resolver.Resolver.canonical_name` for more + information on the parameters and possible exceptions. + """ + + return await get_default_resolver().canonical_name(name) + + +async def try_ddr(timeout: float = 5.0) -> None: + """Try to update the default resolver's nameservers using Discovery of Designated + Resolvers (DDR). If successful, the resolver will subsequently use + DNS-over-HTTPS or DNS-over-TLS for future queries. + + See :py:func:`dns.resolver.Resolver.try_ddr` for more information. + """ + return await get_default_resolver().try_ddr(timeout) + + +async def zone_for_name( + name: Union[dns.name.Name, str], + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + tcp: bool = False, + resolver: Optional[Resolver] = None, + backend: Optional[dns.asyncbackend.Backend] = None, +) -> dns.name.Name: + """Find the name of the zone which contains the specified name. + + See :py:func:`dns.resolver.Resolver.zone_for_name` for more + information on the parameters and possible exceptions. + """ + + if isinstance(name, str): + name = dns.name.from_text(name, dns.name.root) + if resolver is None: + resolver = get_default_resolver() + if not name.is_absolute(): + raise NotAbsolute(name) + while True: + try: + answer = await resolver.resolve( + name, dns.rdatatype.SOA, rdclass, tcp, backend=backend + ) + assert answer.rrset is not None + if answer.rrset.name == name: + return name + # otherwise we were CNAMEd or DNAMEd and need to look higher + except (NXDOMAIN, NoAnswer): + pass + try: + name = name.parent() + except dns.name.NoParent: # pragma: no cover + raise NoRootSOA + + +async def make_resolver_at( + where: Union[dns.name.Name, str], + port: int = 53, + family: int = socket.AF_UNSPEC, + resolver: Optional[Resolver] = None, +) -> Resolver: + """Make a stub resolver using the specified destination as the full resolver. + + *where*, a ``dns.name.Name`` or ``str`` the domain name or IP address of the + full resolver. + + *port*, an ``int``, the port to use. If not specified, the default is 53. + + *family*, an ``int``, the address family to use. This parameter is used if + *where* is not an address. The default is ``socket.AF_UNSPEC`` in which case + the first address returned by ``resolve_name()`` will be used, otherwise the + first address of the specified family will be used. + + *resolver*, a ``dns.asyncresolver.Resolver`` or ``None``, the resolver to use for + resolution of hostnames. If not specified, the default resolver will be used. + + Returns a ``dns.resolver.Resolver`` or raises an exception. + """ + if resolver is None: + resolver = get_default_resolver() + nameservers: List[Union[str, dns.nameserver.Nameserver]] = [] + if isinstance(where, str) and dns.inet.is_address(where): + nameservers.append(dns.nameserver.Do53Nameserver(where, port)) + else: + answers = await resolver.resolve_name(where, family) + for address in answers.addresses(): + nameservers.append(dns.nameserver.Do53Nameserver(address, port)) + res = dns.asyncresolver.Resolver(configure=False) + res.nameservers = nameservers + return res + + +async def resolve_at( + where: Union[dns.name.Name, str], + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, + search: Optional[bool] = None, + backend: Optional[dns.asyncbackend.Backend] = None, + port: int = 53, + family: int = socket.AF_UNSPEC, + resolver: Optional[Resolver] = None, +) -> dns.resolver.Answer: + """Query nameservers to find the answer to the question. + + This is a convenience function that calls ``dns.asyncresolver.make_resolver_at()`` + to make a resolver, and then uses it to resolve the query. + + See ``dns.asyncresolver.Resolver.resolve`` for more information on the resolution + parameters, and ``dns.asyncresolver.make_resolver_at`` for information about the + resolver parameters *where*, *port*, *family*, and *resolver*. + + If making more than one query, it is more efficient to call + ``dns.asyncresolver.make_resolver_at()`` and then use that resolver for the queries + instead of calling ``resolve_at()`` multiple times. + """ + res = await make_resolver_at(where, port, family, resolver) + return await res.resolve( + qname, + rdtype, + rdclass, + tcp, + source, + raise_on_no_answer, + source_port, + lifetime, + search, + backend, + ) diff --git a/venv/lib/python3.12/site-packages/dns/dnssec.py b/venv/lib/python3.12/site-packages/dns/dnssec.py new file mode 100644 index 0000000..e49c3b7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssec.py @@ -0,0 +1,1223 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Common DNSSEC-related functions and constants.""" + + +import base64 +import contextlib +import functools +import hashlib +import struct +import time +from datetime import datetime +from typing import Callable, Dict, List, Optional, Set, Tuple, Union, cast + +import dns._features +import dns.exception +import dns.name +import dns.node +import dns.rdata +import dns.rdataclass +import dns.rdataset +import dns.rdatatype +import dns.rrset +import dns.transaction +import dns.zone +from dns.dnssectypes import Algorithm, DSDigest, NSEC3Hash +from dns.exception import ( # pylint: disable=W0611 + AlgorithmKeyMismatch, + DeniedByPolicy, + UnsupportedAlgorithm, + ValidationFailure, +) +from dns.rdtypes.ANY.CDNSKEY import CDNSKEY +from dns.rdtypes.ANY.CDS import CDS +from dns.rdtypes.ANY.DNSKEY import DNSKEY +from dns.rdtypes.ANY.DS import DS +from dns.rdtypes.ANY.NSEC import NSEC, Bitmap +from dns.rdtypes.ANY.NSEC3PARAM import NSEC3PARAM +from dns.rdtypes.ANY.RRSIG import RRSIG, sigtime_to_posixtime +from dns.rdtypes.dnskeybase import Flag + +PublicKey = Union[ + "GenericPublicKey", + "rsa.RSAPublicKey", + "ec.EllipticCurvePublicKey", + "ed25519.Ed25519PublicKey", + "ed448.Ed448PublicKey", +] + +PrivateKey = Union[ + "GenericPrivateKey", + "rsa.RSAPrivateKey", + "ec.EllipticCurvePrivateKey", + "ed25519.Ed25519PrivateKey", + "ed448.Ed448PrivateKey", +] + +RRsetSigner = Callable[[dns.transaction.Transaction, dns.rrset.RRset], None] + + +def algorithm_from_text(text: str) -> Algorithm: + """Convert text into a DNSSEC algorithm value. + + *text*, a ``str``, the text to convert to into an algorithm value. + + Returns an ``int``. + """ + + return Algorithm.from_text(text) + + +def algorithm_to_text(value: Union[Algorithm, int]) -> str: + """Convert a DNSSEC algorithm value to text + + *value*, a ``dns.dnssec.Algorithm``. + + Returns a ``str``, the name of a DNSSEC algorithm. + """ + + return Algorithm.to_text(value) + + +def to_timestamp(value: Union[datetime, str, float, int]) -> int: + """Convert various format to a timestamp""" + if isinstance(value, datetime): + return int(value.timestamp()) + elif isinstance(value, str): + return sigtime_to_posixtime(value) + elif isinstance(value, float): + return int(value) + elif isinstance(value, int): + return value + else: + raise TypeError("Unsupported timestamp type") + + +def key_id(key: Union[DNSKEY, CDNSKEY]) -> int: + """Return the key id (a 16-bit number) for the specified key. + + *key*, a ``dns.rdtypes.ANY.DNSKEY.DNSKEY`` + + Returns an ``int`` between 0 and 65535 + """ + + rdata = key.to_wire() + if key.algorithm == Algorithm.RSAMD5: + return (rdata[-3] << 8) + rdata[-2] + else: + total = 0 + for i in range(len(rdata) // 2): + total += (rdata[2 * i] << 8) + rdata[2 * i + 1] + if len(rdata) % 2 != 0: + total += rdata[len(rdata) - 1] << 8 + total += (total >> 16) & 0xFFFF + return total & 0xFFFF + + +class Policy: + def __init__(self): + pass + + def ok_to_sign(self, _: DNSKEY) -> bool: # pragma: no cover + return False + + def ok_to_validate(self, _: DNSKEY) -> bool: # pragma: no cover + return False + + def ok_to_create_ds(self, _: DSDigest) -> bool: # pragma: no cover + return False + + def ok_to_validate_ds(self, _: DSDigest) -> bool: # pragma: no cover + return False + + +class SimpleDeny(Policy): + def __init__(self, deny_sign, deny_validate, deny_create_ds, deny_validate_ds): + super().__init__() + self._deny_sign = deny_sign + self._deny_validate = deny_validate + self._deny_create_ds = deny_create_ds + self._deny_validate_ds = deny_validate_ds + + def ok_to_sign(self, key: DNSKEY) -> bool: + return key.algorithm not in self._deny_sign + + def ok_to_validate(self, key: DNSKEY) -> bool: + return key.algorithm not in self._deny_validate + + def ok_to_create_ds(self, algorithm: DSDigest) -> bool: + return algorithm not in self._deny_create_ds + + def ok_to_validate_ds(self, algorithm: DSDigest) -> bool: + return algorithm not in self._deny_validate_ds + + +rfc_8624_policy = SimpleDeny( + {Algorithm.RSAMD5, Algorithm.DSA, Algorithm.DSANSEC3SHA1, Algorithm.ECCGOST}, + {Algorithm.RSAMD5, Algorithm.DSA, Algorithm.DSANSEC3SHA1}, + {DSDigest.NULL, DSDigest.SHA1, DSDigest.GOST}, + {DSDigest.NULL}, +) + +allow_all_policy = SimpleDeny(set(), set(), set(), set()) + + +default_policy = rfc_8624_policy + + +def make_ds( + name: Union[dns.name.Name, str], + key: dns.rdata.Rdata, + algorithm: Union[DSDigest, str], + origin: Optional[dns.name.Name] = None, + policy: Optional[Policy] = None, + validating: bool = False, +) -> DS: + """Create a DS record for a DNSSEC key. + + *name*, a ``dns.name.Name`` or ``str``, the owner name of the DS record. + + *key*, a ``dns.rdtypes.ANY.DNSKEY.DNSKEY`` or ``dns.rdtypes.ANY.DNSKEY.CDNSKEY``, + the key the DS is about. + + *algorithm*, a ``str`` or ``int`` specifying the hash algorithm. + The currently supported hashes are "SHA1", "SHA256", and "SHA384". Case + does not matter for these strings. + + *origin*, a ``dns.name.Name`` or ``None``. If *key* is a relative name, + then it will be made absolute using the specified origin. + + *policy*, a ``dns.dnssec.Policy`` or ``None``. If ``None``, the default policy, + ``dns.dnssec.default_policy`` is used; this policy defaults to that of RFC 8624. + + *validating*, a ``bool``. If ``True``, then policy is checked in + validating mode, i.e. "Is it ok to validate using this digest algorithm?". + Otherwise the policy is checked in creating mode, i.e. "Is it ok to create a DS with + this digest algorithm?". + + Raises ``UnsupportedAlgorithm`` if the algorithm is unknown. + + Raises ``DeniedByPolicy`` if the algorithm is denied by policy. + + Returns a ``dns.rdtypes.ANY.DS.DS`` + """ + + if policy is None: + policy = default_policy + try: + if isinstance(algorithm, str): + algorithm = DSDigest[algorithm.upper()] + except Exception: + raise UnsupportedAlgorithm('unsupported algorithm "%s"' % algorithm) + if validating: + check = policy.ok_to_validate_ds + else: + check = policy.ok_to_create_ds + if not check(algorithm): + raise DeniedByPolicy + if not isinstance(key, (DNSKEY, CDNSKEY)): + raise ValueError("key is not a DNSKEY/CDNSKEY") + if algorithm == DSDigest.SHA1: + dshash = hashlib.sha1() + elif algorithm == DSDigest.SHA256: + dshash = hashlib.sha256() + elif algorithm == DSDigest.SHA384: + dshash = hashlib.sha384() + else: + raise UnsupportedAlgorithm('unsupported algorithm "%s"' % algorithm) + + if isinstance(name, str): + name = dns.name.from_text(name, origin) + wire = name.canonicalize().to_wire() + assert wire is not None + dshash.update(wire) + dshash.update(key.to_wire(origin=origin)) + digest = dshash.digest() + + dsrdata = struct.pack("!HBB", key_id(key), key.algorithm, algorithm) + digest + ds = dns.rdata.from_wire( + dns.rdataclass.IN, dns.rdatatype.DS, dsrdata, 0, len(dsrdata) + ) + return cast(DS, ds) + + +def make_cds( + name: Union[dns.name.Name, str], + key: dns.rdata.Rdata, + algorithm: Union[DSDigest, str], + origin: Optional[dns.name.Name] = None, +) -> CDS: + """Create a CDS record for a DNSSEC key. + + *name*, a ``dns.name.Name`` or ``str``, the owner name of the DS record. + + *key*, a ``dns.rdtypes.ANY.DNSKEY.DNSKEY`` or ``dns.rdtypes.ANY.DNSKEY.CDNSKEY``, + the key the DS is about. + + *algorithm*, a ``str`` or ``int`` specifying the hash algorithm. + The currently supported hashes are "SHA1", "SHA256", and "SHA384". Case + does not matter for these strings. + + *origin*, a ``dns.name.Name`` or ``None``. If *key* is a relative name, + then it will be made absolute using the specified origin. + + Raises ``UnsupportedAlgorithm`` if the algorithm is unknown. + + Returns a ``dns.rdtypes.ANY.DS.CDS`` + """ + + ds = make_ds(name, key, algorithm, origin) + return CDS( + rdclass=ds.rdclass, + rdtype=dns.rdatatype.CDS, + key_tag=ds.key_tag, + algorithm=ds.algorithm, + digest_type=ds.digest_type, + digest=ds.digest, + ) + + +def _find_candidate_keys( + keys: Dict[dns.name.Name, Union[dns.rdataset.Rdataset, dns.node.Node]], rrsig: RRSIG +) -> Optional[List[DNSKEY]]: + value = keys.get(rrsig.signer) + if isinstance(value, dns.node.Node): + rdataset = value.get_rdataset(dns.rdataclass.IN, dns.rdatatype.DNSKEY) + else: + rdataset = value + if rdataset is None: + return None + return [ + cast(DNSKEY, rd) + for rd in rdataset + if rd.algorithm == rrsig.algorithm + and key_id(rd) == rrsig.key_tag + and (rd.flags & Flag.ZONE) == Flag.ZONE # RFC 4034 2.1.1 + and rd.protocol == 3 # RFC 4034 2.1.2 + ] + + +def _get_rrname_rdataset( + rrset: Union[dns.rrset.RRset, Tuple[dns.name.Name, dns.rdataset.Rdataset]], +) -> Tuple[dns.name.Name, dns.rdataset.Rdataset]: + if isinstance(rrset, tuple): + return rrset[0], rrset[1] + else: + return rrset.name, rrset + + +def _validate_signature(sig: bytes, data: bytes, key: DNSKEY) -> None: + public_cls = get_algorithm_cls_from_dnskey(key).public_cls + try: + public_key = public_cls.from_dnskey(key) + except ValueError: + raise ValidationFailure("invalid public key") + public_key.verify(sig, data) + + +def _validate_rrsig( + rrset: Union[dns.rrset.RRset, Tuple[dns.name.Name, dns.rdataset.Rdataset]], + rrsig: RRSIG, + keys: Dict[dns.name.Name, Union[dns.node.Node, dns.rdataset.Rdataset]], + origin: Optional[dns.name.Name] = None, + now: Optional[float] = None, + policy: Optional[Policy] = None, +) -> None: + """Validate an RRset against a single signature rdata, throwing an + exception if validation is not successful. + + *rrset*, the RRset to validate. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *rrsig*, a ``dns.rdata.Rdata``, the signature to validate. + + *keys*, the key dictionary, used to find the DNSKEY associated + with a given name. The dictionary is keyed by a + ``dns.name.Name``, and has ``dns.node.Node`` or + ``dns.rdataset.Rdataset`` values. + + *origin*, a ``dns.name.Name`` or ``None``, the origin to use for relative + names. + + *now*, a ``float`` or ``None``, the time, in seconds since the epoch, to + use as the current time when validating. If ``None``, the actual current + time is used. + + *policy*, a ``dns.dnssec.Policy`` or ``None``. If ``None``, the default policy, + ``dns.dnssec.default_policy`` is used; this policy defaults to that of RFC 8624. + + Raises ``ValidationFailure`` if the signature is expired, not yet valid, + the public key is invalid, the algorithm is unknown, the verification + fails, etc. + + Raises ``UnsupportedAlgorithm`` if the algorithm is recognized by + dnspython but not implemented. + """ + + if policy is None: + policy = default_policy + + candidate_keys = _find_candidate_keys(keys, rrsig) + if candidate_keys is None: + raise ValidationFailure("unknown key") + + if now is None: + now = time.time() + if rrsig.expiration < now: + raise ValidationFailure("expired") + if rrsig.inception > now: + raise ValidationFailure("not yet valid") + + data = _make_rrsig_signature_data(rrset, rrsig, origin) + + for candidate_key in candidate_keys: + if not policy.ok_to_validate(candidate_key): + continue + try: + _validate_signature(rrsig.signature, data, candidate_key) + return + except (InvalidSignature, ValidationFailure): + # this happens on an individual validation failure + continue + # nothing verified -- raise failure: + raise ValidationFailure("verify failure") + + +def _validate( + rrset: Union[dns.rrset.RRset, Tuple[dns.name.Name, dns.rdataset.Rdataset]], + rrsigset: Union[dns.rrset.RRset, Tuple[dns.name.Name, dns.rdataset.Rdataset]], + keys: Dict[dns.name.Name, Union[dns.node.Node, dns.rdataset.Rdataset]], + origin: Optional[dns.name.Name] = None, + now: Optional[float] = None, + policy: Optional[Policy] = None, +) -> None: + """Validate an RRset against a signature RRset, throwing an exception + if none of the signatures validate. + + *rrset*, the RRset to validate. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *rrsigset*, the signature RRset. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *keys*, the key dictionary, used to find the DNSKEY associated + with a given name. The dictionary is keyed by a + ``dns.name.Name``, and has ``dns.node.Node`` or + ``dns.rdataset.Rdataset`` values. + + *origin*, a ``dns.name.Name``, the origin to use for relative names; + defaults to None. + + *now*, an ``int`` or ``None``, the time, in seconds since the epoch, to + use as the current time when validating. If ``None``, the actual current + time is used. + + *policy*, a ``dns.dnssec.Policy`` or ``None``. If ``None``, the default policy, + ``dns.dnssec.default_policy`` is used; this policy defaults to that of RFC 8624. + + Raises ``ValidationFailure`` if the signature is expired, not yet valid, + the public key is invalid, the algorithm is unknown, the verification + fails, etc. + """ + + if policy is None: + policy = default_policy + + if isinstance(origin, str): + origin = dns.name.from_text(origin, dns.name.root) + + if isinstance(rrset, tuple): + rrname = rrset[0] + else: + rrname = rrset.name + + if isinstance(rrsigset, tuple): + rrsigname = rrsigset[0] + rrsigrdataset = rrsigset[1] + else: + rrsigname = rrsigset.name + rrsigrdataset = rrsigset + + rrname = rrname.choose_relativity(origin) + rrsigname = rrsigname.choose_relativity(origin) + if rrname != rrsigname: + raise ValidationFailure("owner names do not match") + + for rrsig in rrsigrdataset: + if not isinstance(rrsig, RRSIG): + raise ValidationFailure("expected an RRSIG") + try: + _validate_rrsig(rrset, rrsig, keys, origin, now, policy) + return + except (ValidationFailure, UnsupportedAlgorithm): + pass + raise ValidationFailure("no RRSIGs validated") + + +def _sign( + rrset: Union[dns.rrset.RRset, Tuple[dns.name.Name, dns.rdataset.Rdataset]], + private_key: PrivateKey, + signer: dns.name.Name, + dnskey: DNSKEY, + inception: Optional[Union[datetime, str, int, float]] = None, + expiration: Optional[Union[datetime, str, int, float]] = None, + lifetime: Optional[int] = None, + verify: bool = False, + policy: Optional[Policy] = None, + origin: Optional[dns.name.Name] = None, +) -> RRSIG: + """Sign RRset using private key. + + *rrset*, the RRset to validate. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *private_key*, the private key to use for signing, a + ``cryptography.hazmat.primitives.asymmetric`` private key class applicable + for DNSSEC. + + *signer*, a ``dns.name.Name``, the Signer's name. + + *dnskey*, a ``DNSKEY`` matching ``private_key``. + + *inception*, a ``datetime``, ``str``, ``int``, ``float`` or ``None``, the + signature inception time. If ``None``, the current time is used. If a ``str``, the + format is "YYYYMMDDHHMMSS" or alternatively the number of seconds since the UNIX + epoch in text form; this is the same the RRSIG rdata's text form. + Values of type `int` or `float` are interpreted as seconds since the UNIX epoch. + + *expiration*, a ``datetime``, ``str``, ``int``, ``float`` or ``None``, the signature + expiration time. If ``None``, the expiration time will be the inception time plus + the value of the *lifetime* parameter. See the description of *inception* above + for how the various parameter types are interpreted. + + *lifetime*, an ``int`` or ``None``, the signature lifetime in seconds. This + parameter is only meaningful if *expiration* is ``None``. + + *verify*, a ``bool``. If set to ``True``, the signer will verify signatures + after they are created; the default is ``False``. + + *policy*, a ``dns.dnssec.Policy`` or ``None``. If ``None``, the default policy, + ``dns.dnssec.default_policy`` is used; this policy defaults to that of RFC 8624. + + *origin*, a ``dns.name.Name`` or ``None``. If ``None``, the default, then all + names in the rrset (including its owner name) must be absolute; otherwise the + specified origin will be used to make names absolute when signing. + + Raises ``DeniedByPolicy`` if the signature is denied by policy. + """ + + if policy is None: + policy = default_policy + if not policy.ok_to_sign(dnskey): + raise DeniedByPolicy + + if isinstance(rrset, tuple): + rdclass = rrset[1].rdclass + rdtype = rrset[1].rdtype + rrname = rrset[0] + original_ttl = rrset[1].ttl + else: + rdclass = rrset.rdclass + rdtype = rrset.rdtype + rrname = rrset.name + original_ttl = rrset.ttl + + if inception is not None: + rrsig_inception = to_timestamp(inception) + else: + rrsig_inception = int(time.time()) + + if expiration is not None: + rrsig_expiration = to_timestamp(expiration) + elif lifetime is not None: + rrsig_expiration = rrsig_inception + lifetime + else: + raise ValueError("expiration or lifetime must be specified") + + # Derelativize now because we need a correct labels length for the + # rrsig_template. + if origin is not None: + rrname = rrname.derelativize(origin) + labels = len(rrname) - 1 + + # Adjust labels appropriately for wildcards. + if rrname.is_wild(): + labels -= 1 + + rrsig_template = RRSIG( + rdclass=rdclass, + rdtype=dns.rdatatype.RRSIG, + type_covered=rdtype, + algorithm=dnskey.algorithm, + labels=labels, + original_ttl=original_ttl, + expiration=rrsig_expiration, + inception=rrsig_inception, + key_tag=key_id(dnskey), + signer=signer, + signature=b"", + ) + + data = dns.dnssec._make_rrsig_signature_data(rrset, rrsig_template, origin) + + if isinstance(private_key, GenericPrivateKey): + signing_key = private_key + else: + try: + private_cls = get_algorithm_cls_from_dnskey(dnskey) + signing_key = private_cls(key=private_key) + except UnsupportedAlgorithm: + raise TypeError("Unsupported key algorithm") + + signature = signing_key.sign(data, verify) + + return cast(RRSIG, rrsig_template.replace(signature=signature)) + + +def _make_rrsig_signature_data( + rrset: Union[dns.rrset.RRset, Tuple[dns.name.Name, dns.rdataset.Rdataset]], + rrsig: RRSIG, + origin: Optional[dns.name.Name] = None, +) -> bytes: + """Create signature rdata. + + *rrset*, the RRset to sign/validate. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *rrsig*, a ``dns.rdata.Rdata``, the signature to validate, or the + signature template used when signing. + + *origin*, a ``dns.name.Name`` or ``None``, the origin to use for relative + names. + + Raises ``UnsupportedAlgorithm`` if the algorithm is recognized by + dnspython but not implemented. + """ + + if isinstance(origin, str): + origin = dns.name.from_text(origin, dns.name.root) + + signer = rrsig.signer + if not signer.is_absolute(): + if origin is None: + raise ValidationFailure("relative RR name without an origin specified") + signer = signer.derelativize(origin) + + # For convenience, allow the rrset to be specified as a (name, + # rdataset) tuple as well as a proper rrset + rrname, rdataset = _get_rrname_rdataset(rrset) + + data = b"" + data += rrsig.to_wire(origin=signer)[:18] + data += rrsig.signer.to_digestable(signer) + + # Derelativize the name before considering labels. + if not rrname.is_absolute(): + if origin is None: + raise ValidationFailure("relative RR name without an origin specified") + rrname = rrname.derelativize(origin) + + name_len = len(rrname) + if rrname.is_wild() and rrsig.labels != name_len - 2: + raise ValidationFailure("wild owner name has wrong label length") + if name_len - 1 < rrsig.labels: + raise ValidationFailure("owner name longer than RRSIG labels") + elif rrsig.labels < name_len - 1: + suffix = rrname.split(rrsig.labels + 1)[1] + rrname = dns.name.from_text("*", suffix) + rrnamebuf = rrname.to_digestable() + rrfixed = struct.pack("!HHI", rdataset.rdtype, rdataset.rdclass, rrsig.original_ttl) + rdatas = [rdata.to_digestable(origin) for rdata in rdataset] + for rdata in sorted(rdatas): + data += rrnamebuf + data += rrfixed + rrlen = struct.pack("!H", len(rdata)) + data += rrlen + data += rdata + + return data + + +def _make_dnskey( + public_key: PublicKey, + algorithm: Union[int, str], + flags: int = Flag.ZONE, + protocol: int = 3, +) -> DNSKEY: + """Convert a public key to DNSKEY Rdata + + *public_key*, a ``PublicKey`` (``GenericPublicKey`` or + ``cryptography.hazmat.primitives.asymmetric``) to convert. + + *algorithm*, a ``str`` or ``int`` specifying the DNSKEY algorithm. + + *flags*: DNSKEY flags field as an integer. + + *protocol*: DNSKEY protocol field as an integer. + + Raises ``ValueError`` if the specified key algorithm parameters are not + unsupported, ``TypeError`` if the key type is unsupported, + `UnsupportedAlgorithm` if the algorithm is unknown and + `AlgorithmKeyMismatch` if the algorithm does not match the key type. + + Return DNSKEY ``Rdata``. + """ + + algorithm = Algorithm.make(algorithm) + + if isinstance(public_key, GenericPublicKey): + return public_key.to_dnskey(flags=flags, protocol=protocol) + else: + public_cls = get_algorithm_cls(algorithm).public_cls + return public_cls(key=public_key).to_dnskey(flags=flags, protocol=protocol) + + +def _make_cdnskey( + public_key: PublicKey, + algorithm: Union[int, str], + flags: int = Flag.ZONE, + protocol: int = 3, +) -> CDNSKEY: + """Convert a public key to CDNSKEY Rdata + + *public_key*, the public key to convert, a + ``cryptography.hazmat.primitives.asymmetric`` public key class applicable + for DNSSEC. + + *algorithm*, a ``str`` or ``int`` specifying the DNSKEY algorithm. + + *flags*: DNSKEY flags field as an integer. + + *protocol*: DNSKEY protocol field as an integer. + + Raises ``ValueError`` if the specified key algorithm parameters are not + unsupported, ``TypeError`` if the key type is unsupported, + `UnsupportedAlgorithm` if the algorithm is unknown and + `AlgorithmKeyMismatch` if the algorithm does not match the key type. + + Return CDNSKEY ``Rdata``. + """ + + dnskey = _make_dnskey(public_key, algorithm, flags, protocol) + + return CDNSKEY( + rdclass=dnskey.rdclass, + rdtype=dns.rdatatype.CDNSKEY, + flags=dnskey.flags, + protocol=dnskey.protocol, + algorithm=dnskey.algorithm, + key=dnskey.key, + ) + + +def nsec3_hash( + domain: Union[dns.name.Name, str], + salt: Optional[Union[str, bytes]], + iterations: int, + algorithm: Union[int, str], +) -> str: + """ + Calculate the NSEC3 hash, according to + https://tools.ietf.org/html/rfc5155#section-5 + + *domain*, a ``dns.name.Name`` or ``str``, the name to hash. + + *salt*, a ``str``, ``bytes``, or ``None``, the hash salt. If a + string, it is decoded as a hex string. + + *iterations*, an ``int``, the number of iterations. + + *algorithm*, a ``str`` or ``int``, the hash algorithm. + The only defined algorithm is SHA1. + + Returns a ``str``, the encoded NSEC3 hash. + """ + + b32_conversion = str.maketrans( + "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567", "0123456789ABCDEFGHIJKLMNOPQRSTUV" + ) + + try: + if isinstance(algorithm, str): + algorithm = NSEC3Hash[algorithm.upper()] + except Exception: + raise ValueError("Wrong hash algorithm (only SHA1 is supported)") + + if algorithm != NSEC3Hash.SHA1: + raise ValueError("Wrong hash algorithm (only SHA1 is supported)") + + if salt is None: + salt_encoded = b"" + elif isinstance(salt, str): + if len(salt) % 2 == 0: + salt_encoded = bytes.fromhex(salt) + else: + raise ValueError("Invalid salt length") + else: + salt_encoded = salt + + if not isinstance(domain, dns.name.Name): + domain = dns.name.from_text(domain) + domain_encoded = domain.canonicalize().to_wire() + assert domain_encoded is not None + + digest = hashlib.sha1(domain_encoded + salt_encoded).digest() + for _ in range(iterations): + digest = hashlib.sha1(digest + salt_encoded).digest() + + output = base64.b32encode(digest).decode("utf-8") + output = output.translate(b32_conversion) + + return output + + +def make_ds_rdataset( + rrset: Union[dns.rrset.RRset, Tuple[dns.name.Name, dns.rdataset.Rdataset]], + algorithms: Set[Union[DSDigest, str]], + origin: Optional[dns.name.Name] = None, +) -> dns.rdataset.Rdataset: + """Create a DS record from DNSKEY/CDNSKEY/CDS. + + *rrset*, the RRset to create DS Rdataset for. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *algorithms*, a set of ``str`` or ``int`` specifying the hash algorithms. + The currently supported hashes are "SHA1", "SHA256", and "SHA384". Case + does not matter for these strings. If the RRset is a CDS, only digest + algorithms matching algorithms are accepted. + + *origin*, a ``dns.name.Name`` or ``None``. If `key` is a relative name, + then it will be made absolute using the specified origin. + + Raises ``UnsupportedAlgorithm`` if any of the algorithms are unknown and + ``ValueError`` if the given RRset is not usable. + + Returns a ``dns.rdataset.Rdataset`` + """ + + rrname, rdataset = _get_rrname_rdataset(rrset) + + if rdataset.rdtype not in ( + dns.rdatatype.DNSKEY, + dns.rdatatype.CDNSKEY, + dns.rdatatype.CDS, + ): + raise ValueError("rrset not a DNSKEY/CDNSKEY/CDS") + + _algorithms = set() + for algorithm in algorithms: + try: + if isinstance(algorithm, str): + algorithm = DSDigest[algorithm.upper()] + except Exception: + raise UnsupportedAlgorithm('unsupported algorithm "%s"' % algorithm) + _algorithms.add(algorithm) + + if rdataset.rdtype == dns.rdatatype.CDS: + res = [] + for rdata in cds_rdataset_to_ds_rdataset(rdataset): + if rdata.digest_type in _algorithms: + res.append(rdata) + if len(res) == 0: + raise ValueError("no acceptable CDS rdata found") + return dns.rdataset.from_rdata_list(rdataset.ttl, res) + + res = [] + for algorithm in _algorithms: + res.extend(dnskey_rdataset_to_cds_rdataset(rrname, rdataset, algorithm, origin)) + return dns.rdataset.from_rdata_list(rdataset.ttl, res) + + +def cds_rdataset_to_ds_rdataset( + rdataset: dns.rdataset.Rdataset, +) -> dns.rdataset.Rdataset: + """Create a CDS record from DS. + + *rdataset*, a ``dns.rdataset.Rdataset``, to create DS Rdataset for. + + Raises ``ValueError`` if the rdataset is not CDS. + + Returns a ``dns.rdataset.Rdataset`` + """ + + if rdataset.rdtype != dns.rdatatype.CDS: + raise ValueError("rdataset not a CDS") + res = [] + for rdata in rdataset: + res.append( + CDS( + rdclass=rdata.rdclass, + rdtype=dns.rdatatype.DS, + key_tag=rdata.key_tag, + algorithm=rdata.algorithm, + digest_type=rdata.digest_type, + digest=rdata.digest, + ) + ) + return dns.rdataset.from_rdata_list(rdataset.ttl, res) + + +def dnskey_rdataset_to_cds_rdataset( + name: Union[dns.name.Name, str], + rdataset: dns.rdataset.Rdataset, + algorithm: Union[DSDigest, str], + origin: Optional[dns.name.Name] = None, +) -> dns.rdataset.Rdataset: + """Create a CDS record from DNSKEY/CDNSKEY. + + *name*, a ``dns.name.Name`` or ``str``, the owner name of the CDS record. + + *rdataset*, a ``dns.rdataset.Rdataset``, to create DS Rdataset for. + + *algorithm*, a ``str`` or ``int`` specifying the hash algorithm. + The currently supported hashes are "SHA1", "SHA256", and "SHA384". Case + does not matter for these strings. + + *origin*, a ``dns.name.Name`` or ``None``. If `key` is a relative name, + then it will be made absolute using the specified origin. + + Raises ``UnsupportedAlgorithm`` if the algorithm is unknown or + ``ValueError`` if the rdataset is not DNSKEY/CDNSKEY. + + Returns a ``dns.rdataset.Rdataset`` + """ + + if rdataset.rdtype not in (dns.rdatatype.DNSKEY, dns.rdatatype.CDNSKEY): + raise ValueError("rdataset not a DNSKEY/CDNSKEY") + res = [] + for rdata in rdataset: + res.append(make_cds(name, rdata, algorithm, origin)) + return dns.rdataset.from_rdata_list(rdataset.ttl, res) + + +def dnskey_rdataset_to_cdnskey_rdataset( + rdataset: dns.rdataset.Rdataset, +) -> dns.rdataset.Rdataset: + """Create a CDNSKEY record from DNSKEY. + + *rdataset*, a ``dns.rdataset.Rdataset``, to create CDNSKEY Rdataset for. + + Returns a ``dns.rdataset.Rdataset`` + """ + + if rdataset.rdtype != dns.rdatatype.DNSKEY: + raise ValueError("rdataset not a DNSKEY") + res = [] + for rdata in rdataset: + res.append( + CDNSKEY( + rdclass=rdataset.rdclass, + rdtype=rdataset.rdtype, + flags=rdata.flags, + protocol=rdata.protocol, + algorithm=rdata.algorithm, + key=rdata.key, + ) + ) + return dns.rdataset.from_rdata_list(rdataset.ttl, res) + + +def default_rrset_signer( + txn: dns.transaction.Transaction, + rrset: dns.rrset.RRset, + signer: dns.name.Name, + ksks: List[Tuple[PrivateKey, DNSKEY]], + zsks: List[Tuple[PrivateKey, DNSKEY]], + inception: Optional[Union[datetime, str, int, float]] = None, + expiration: Optional[Union[datetime, str, int, float]] = None, + lifetime: Optional[int] = None, + policy: Optional[Policy] = None, + origin: Optional[dns.name.Name] = None, +) -> None: + """Default RRset signer""" + + if rrset.rdtype in set( + [ + dns.rdatatype.RdataType.DNSKEY, + dns.rdatatype.RdataType.CDS, + dns.rdatatype.RdataType.CDNSKEY, + ] + ): + keys = ksks + else: + keys = zsks + + for private_key, dnskey in keys: + rrsig = dns.dnssec.sign( + rrset=rrset, + private_key=private_key, + dnskey=dnskey, + inception=inception, + expiration=expiration, + lifetime=lifetime, + signer=signer, + policy=policy, + origin=origin, + ) + txn.add(rrset.name, rrset.ttl, rrsig) + + +def sign_zone( + zone: dns.zone.Zone, + txn: Optional[dns.transaction.Transaction] = None, + keys: Optional[List[Tuple[PrivateKey, DNSKEY]]] = None, + add_dnskey: bool = True, + dnskey_ttl: Optional[int] = None, + inception: Optional[Union[datetime, str, int, float]] = None, + expiration: Optional[Union[datetime, str, int, float]] = None, + lifetime: Optional[int] = None, + nsec3: Optional[NSEC3PARAM] = None, + rrset_signer: Optional[RRsetSigner] = None, + policy: Optional[Policy] = None, +) -> None: + """Sign zone. + + *zone*, a ``dns.zone.Zone``, the zone to sign. + + *txn*, a ``dns.transaction.Transaction``, an optional transaction to use for + signing. + + *keys*, a list of (``PrivateKey``, ``DNSKEY``) tuples, to use for signing. KSK/ZSK + roles are assigned automatically if the SEP flag is used, otherwise all RRsets are + signed by all keys. + + *add_dnskey*, a ``bool``. If ``True``, the default, all specified DNSKEYs are + automatically added to the zone on signing. + + *dnskey_ttl*, a``int``, specifies the TTL for DNSKEY RRs. If not specified the TTL + of the existing DNSKEY RRset used or the TTL of the SOA RRset. + + *inception*, a ``datetime``, ``str``, ``int``, ``float`` or ``None``, the signature + inception time. If ``None``, the current time is used. If a ``str``, the format is + "YYYYMMDDHHMMSS" or alternatively the number of seconds since the UNIX epoch in text + form; this is the same the RRSIG rdata's text form. Values of type `int` or `float` + are interpreted as seconds since the UNIX epoch. + + *expiration*, a ``datetime``, ``str``, ``int``, ``float`` or ``None``, the signature + expiration time. If ``None``, the expiration time will be the inception time plus + the value of the *lifetime* parameter. See the description of *inception* above for + how the various parameter types are interpreted. + + *lifetime*, an ``int`` or ``None``, the signature lifetime in seconds. This + parameter is only meaningful if *expiration* is ``None``. + + *nsec3*, a ``NSEC3PARAM`` Rdata, configures signing using NSEC3. Not yet + implemented. + + *rrset_signer*, a ``Callable``, an optional function for signing RRsets. The + function requires two arguments: transaction and RRset. If the not specified, + ``dns.dnssec.default_rrset_signer`` will be used. + + Returns ``None``. + """ + + ksks = [] + zsks = [] + + # if we have both KSKs and ZSKs, split by SEP flag. if not, sign all + # records with all keys + if keys: + for key in keys: + if key[1].flags & Flag.SEP: + ksks.append(key) + else: + zsks.append(key) + if not ksks: + ksks = keys + if not zsks: + zsks = keys + else: + keys = [] + + if txn: + cm: contextlib.AbstractContextManager = contextlib.nullcontext(txn) + else: + cm = zone.writer() + + with cm as _txn: + if add_dnskey: + if dnskey_ttl is None: + dnskey = _txn.get(zone.origin, dns.rdatatype.DNSKEY) + if dnskey: + dnskey_ttl = dnskey.ttl + else: + soa = _txn.get(zone.origin, dns.rdatatype.SOA) + dnskey_ttl = soa.ttl + for _, dnskey in keys: + _txn.add(zone.origin, dnskey_ttl, dnskey) + + if nsec3: + raise NotImplementedError("Signing with NSEC3 not yet implemented") + else: + _rrset_signer = rrset_signer or functools.partial( + default_rrset_signer, + signer=zone.origin, + ksks=ksks, + zsks=zsks, + inception=inception, + expiration=expiration, + lifetime=lifetime, + policy=policy, + origin=zone.origin, + ) + return _sign_zone_nsec(zone, _txn, _rrset_signer) + + +def _sign_zone_nsec( + zone: dns.zone.Zone, + txn: dns.transaction.Transaction, + rrset_signer: Optional[RRsetSigner] = None, +) -> None: + """NSEC zone signer""" + + def _txn_add_nsec( + txn: dns.transaction.Transaction, + name: dns.name.Name, + next_secure: Optional[dns.name.Name], + rdclass: dns.rdataclass.RdataClass, + ttl: int, + rrset_signer: Optional[RRsetSigner] = None, + ) -> None: + """NSEC zone signer helper""" + mandatory_types = set( + [dns.rdatatype.RdataType.RRSIG, dns.rdatatype.RdataType.NSEC] + ) + node = txn.get_node(name) + if node and next_secure: + types = ( + set([rdataset.rdtype for rdataset in node.rdatasets]) | mandatory_types + ) + windows = Bitmap.from_rdtypes(list(types)) + rrset = dns.rrset.from_rdata( + name, + ttl, + NSEC( + rdclass=rdclass, + rdtype=dns.rdatatype.RdataType.NSEC, + next=next_secure, + windows=windows, + ), + ) + txn.add(rrset) + if rrset_signer: + rrset_signer(txn, rrset) + + rrsig_ttl = zone.get_soa().minimum + delegation = None + last_secure = None + + for name in sorted(txn.iterate_names()): + if delegation and name.is_subdomain(delegation): + # names below delegations are not secure + continue + elif txn.get(name, dns.rdatatype.NS) and name != zone.origin: + # inside delegation + delegation = name + else: + # outside delegation + delegation = None + + if rrset_signer: + node = txn.get_node(name) + if node: + for rdataset in node.rdatasets: + if rdataset.rdtype == dns.rdatatype.RRSIG: + # do not sign RRSIGs + continue + elif delegation and rdataset.rdtype != dns.rdatatype.DS: + # do not sign delegations except DS records + continue + else: + rrset = dns.rrset.from_rdata(name, rdataset.ttl, *rdataset) + rrset_signer(txn, rrset) + + # We need "is not None" as the empty name is False because its length is 0. + if last_secure is not None: + _txn_add_nsec(txn, last_secure, name, zone.rdclass, rrsig_ttl, rrset_signer) + last_secure = name + + if last_secure: + _txn_add_nsec( + txn, last_secure, zone.origin, zone.rdclass, rrsig_ttl, rrset_signer + ) + + +def _need_pyca(*args, **kwargs): + raise ImportError( + "DNSSEC validation requires python cryptography" + ) # pragma: no cover + + +if dns._features.have("dnssec"): + from cryptography.exceptions import InvalidSignature + from cryptography.hazmat.primitives.asymmetric import dsa # pylint: disable=W0611 + from cryptography.hazmat.primitives.asymmetric import ec # pylint: disable=W0611 + from cryptography.hazmat.primitives.asymmetric import ed448 # pylint: disable=W0611 + from cryptography.hazmat.primitives.asymmetric import rsa # pylint: disable=W0611 + from cryptography.hazmat.primitives.asymmetric import ( # pylint: disable=W0611 + ed25519, + ) + + from dns.dnssecalgs import ( # pylint: disable=C0412 + get_algorithm_cls, + get_algorithm_cls_from_dnskey, + ) + from dns.dnssecalgs.base import GenericPrivateKey, GenericPublicKey + + validate = _validate # type: ignore + validate_rrsig = _validate_rrsig # type: ignore + sign = _sign + make_dnskey = _make_dnskey + make_cdnskey = _make_cdnskey + _have_pyca = True +else: # pragma: no cover + validate = _need_pyca + validate_rrsig = _need_pyca + sign = _need_pyca + make_dnskey = _need_pyca + make_cdnskey = _need_pyca + _have_pyca = False + +### BEGIN generated Algorithm constants + +RSAMD5 = Algorithm.RSAMD5 +DH = Algorithm.DH +DSA = Algorithm.DSA +ECC = Algorithm.ECC +RSASHA1 = Algorithm.RSASHA1 +DSANSEC3SHA1 = Algorithm.DSANSEC3SHA1 +RSASHA1NSEC3SHA1 = Algorithm.RSASHA1NSEC3SHA1 +RSASHA256 = Algorithm.RSASHA256 +RSASHA512 = Algorithm.RSASHA512 +ECCGOST = Algorithm.ECCGOST +ECDSAP256SHA256 = Algorithm.ECDSAP256SHA256 +ECDSAP384SHA384 = Algorithm.ECDSAP384SHA384 +ED25519 = Algorithm.ED25519 +ED448 = Algorithm.ED448 +INDIRECT = Algorithm.INDIRECT +PRIVATEDNS = Algorithm.PRIVATEDNS +PRIVATEOID = Algorithm.PRIVATEOID + +### END generated Algorithm constants diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/__init__.py b/venv/lib/python3.12/site-packages/dns/dnssecalgs/__init__.py new file mode 100644 index 0000000..3d9181a --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssecalgs/__init__.py @@ -0,0 +1,120 @@ +from typing import Dict, Optional, Tuple, Type, Union + +import dns.name +from dns.dnssecalgs.base import GenericPrivateKey +from dns.dnssectypes import Algorithm +from dns.exception import UnsupportedAlgorithm +from dns.rdtypes.ANY.DNSKEY import DNSKEY + +if dns._features.have("dnssec"): + from dns.dnssecalgs.dsa import PrivateDSA, PrivateDSANSEC3SHA1 + from dns.dnssecalgs.ecdsa import PrivateECDSAP256SHA256, PrivateECDSAP384SHA384 + from dns.dnssecalgs.eddsa import PrivateED448, PrivateED25519 + from dns.dnssecalgs.rsa import ( + PrivateRSAMD5, + PrivateRSASHA1, + PrivateRSASHA1NSEC3SHA1, + PrivateRSASHA256, + PrivateRSASHA512, + ) + + _have_cryptography = True +else: + _have_cryptography = False + +AlgorithmPrefix = Optional[Union[bytes, dns.name.Name]] + +algorithms: Dict[Tuple[Algorithm, AlgorithmPrefix], Type[GenericPrivateKey]] = {} +if _have_cryptography: + algorithms.update( + { + (Algorithm.RSAMD5, None): PrivateRSAMD5, + (Algorithm.DSA, None): PrivateDSA, + (Algorithm.RSASHA1, None): PrivateRSASHA1, + (Algorithm.DSANSEC3SHA1, None): PrivateDSANSEC3SHA1, + (Algorithm.RSASHA1NSEC3SHA1, None): PrivateRSASHA1NSEC3SHA1, + (Algorithm.RSASHA256, None): PrivateRSASHA256, + (Algorithm.RSASHA512, None): PrivateRSASHA512, + (Algorithm.ECDSAP256SHA256, None): PrivateECDSAP256SHA256, + (Algorithm.ECDSAP384SHA384, None): PrivateECDSAP384SHA384, + (Algorithm.ED25519, None): PrivateED25519, + (Algorithm.ED448, None): PrivateED448, + } + ) + + +def get_algorithm_cls( + algorithm: Union[int, str], prefix: AlgorithmPrefix = None +) -> Type[GenericPrivateKey]: + """Get Private Key class from Algorithm. + + *algorithm*, a ``str`` or ``int`` specifying the DNSKEY algorithm. + + Raises ``UnsupportedAlgorithm`` if the algorithm is unknown. + + Returns a ``dns.dnssecalgs.GenericPrivateKey`` + """ + algorithm = Algorithm.make(algorithm) + cls = algorithms.get((algorithm, prefix)) + if cls: + return cls + raise UnsupportedAlgorithm( + 'algorithm "%s" not supported by dnspython' % Algorithm.to_text(algorithm) + ) + + +def get_algorithm_cls_from_dnskey(dnskey: DNSKEY) -> Type[GenericPrivateKey]: + """Get Private Key class from DNSKEY. + + *dnskey*, a ``DNSKEY`` to get Algorithm class for. + + Raises ``UnsupportedAlgorithm`` if the algorithm is unknown. + + Returns a ``dns.dnssecalgs.GenericPrivateKey`` + """ + prefix: AlgorithmPrefix = None + if dnskey.algorithm == Algorithm.PRIVATEDNS: + prefix, _ = dns.name.from_wire(dnskey.key, 0) + elif dnskey.algorithm == Algorithm.PRIVATEOID: + length = int(dnskey.key[0]) + prefix = dnskey.key[0 : length + 1] + return get_algorithm_cls(dnskey.algorithm, prefix) + + +def register_algorithm_cls( + algorithm: Union[int, str], + algorithm_cls: Type[GenericPrivateKey], + name: Optional[Union[dns.name.Name, str]] = None, + oid: Optional[bytes] = None, +) -> None: + """Register Algorithm Private Key class. + + *algorithm*, a ``str`` or ``int`` specifying the DNSKEY algorithm. + + *algorithm_cls*: A `GenericPrivateKey` class. + + *name*, an optional ``dns.name.Name`` or ``str``, for for PRIVATEDNS algorithms. + + *oid*: an optional BER-encoded `bytes` for PRIVATEOID algorithms. + + Raises ``ValueError`` if a name or oid is specified incorrectly. + """ + if not issubclass(algorithm_cls, GenericPrivateKey): + raise TypeError("Invalid algorithm class") + algorithm = Algorithm.make(algorithm) + prefix: AlgorithmPrefix = None + if algorithm == Algorithm.PRIVATEDNS: + if name is None: + raise ValueError("Name required for PRIVATEDNS algorithms") + if isinstance(name, str): + name = dns.name.from_text(name) + prefix = name + elif algorithm == Algorithm.PRIVATEOID: + if oid is None: + raise ValueError("OID required for PRIVATEOID algorithms") + prefix = bytes([len(oid)]) + oid + elif name: + raise ValueError("Name only supported for PRIVATEDNS algorithm") + elif oid: + raise ValueError("OID only supported for PRIVATEOID algorithm") + algorithms[(algorithm, prefix)] = algorithm_cls diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/dnssecalgs/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..c9eeef7 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/dnssecalgs/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/__pycache__/base.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/dnssecalgs/__pycache__/base.cpython-312.pyc new file mode 100644 index 0000000..2e04ba0 Binary files /dev/null and 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/dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssecalgs/base.py @@ -0,0 +1,84 @@ +from abc import ABC, abstractmethod # pylint: disable=no-name-in-module +from typing import Any, Optional, Type + +import dns.rdataclass +import dns.rdatatype +from dns.dnssectypes import Algorithm +from dns.exception import AlgorithmKeyMismatch +from dns.rdtypes.ANY.DNSKEY import DNSKEY +from dns.rdtypes.dnskeybase import Flag + + +class GenericPublicKey(ABC): + algorithm: Algorithm + + @abstractmethod + def __init__(self, key: Any) -> None: + pass + + @abstractmethod + def verify(self, signature: bytes, data: bytes) -> None: + """Verify signed DNSSEC data""" + + @abstractmethod + def encode_key_bytes(self) -> bytes: + """Encode key as bytes for DNSKEY""" + + @classmethod + def _ensure_algorithm_key_combination(cls, key: DNSKEY) -> None: + if key.algorithm != cls.algorithm: + raise AlgorithmKeyMismatch + + def to_dnskey(self, flags: int = Flag.ZONE, protocol: int = 3) -> DNSKEY: + """Return public key as DNSKEY""" + return DNSKEY( + rdclass=dns.rdataclass.IN, + rdtype=dns.rdatatype.DNSKEY, + flags=flags, + protocol=protocol, + algorithm=self.algorithm, + key=self.encode_key_bytes(), + ) + + @classmethod + @abstractmethod + def from_dnskey(cls, key: DNSKEY) -> "GenericPublicKey": + """Create public key from DNSKEY""" + + @classmethod + @abstractmethod + def from_pem(cls, public_pem: bytes) -> "GenericPublicKey": + """Create public key from PEM-encoded SubjectPublicKeyInfo as specified + in RFC 5280""" + + @abstractmethod + def to_pem(self) -> bytes: + """Return public-key as PEM-encoded SubjectPublicKeyInfo as specified + in RFC 5280""" + + +class GenericPrivateKey(ABC): + public_cls: Type[GenericPublicKey] + + @abstractmethod + def __init__(self, key: Any) -> None: + pass + + @abstractmethod + def sign(self, data: bytes, verify: bool = False) -> bytes: + """Sign DNSSEC data""" + + @abstractmethod + def public_key(self) -> "GenericPublicKey": + """Return public key instance""" + + @classmethod + @abstractmethod + def from_pem( + cls, private_pem: bytes, password: Optional[bytes] = None + ) -> "GenericPrivateKey": + """Create private key from PEM-encoded PKCS#8""" + + @abstractmethod + def to_pem(self, password: Optional[bytes] = None) -> bytes: + """Return private key as PEM-encoded PKCS#8""" diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/cryptography.py b/venv/lib/python3.12/site-packages/dns/dnssecalgs/cryptography.py new file mode 100644 index 0000000..5a31a81 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssecalgs/cryptography.py @@ -0,0 +1,68 @@ +from typing import Any, Optional, Type + +from cryptography.hazmat.primitives import serialization + +from dns.dnssecalgs.base import GenericPrivateKey, GenericPublicKey +from dns.exception import AlgorithmKeyMismatch + + +class CryptographyPublicKey(GenericPublicKey): + key: Any = None + key_cls: Any = None + + def __init__(self, key: Any) -> None: # pylint: disable=super-init-not-called + if self.key_cls is None: + raise TypeError("Undefined private key class") + if not isinstance( # pylint: disable=isinstance-second-argument-not-valid-type + key, self.key_cls + ): + raise AlgorithmKeyMismatch + self.key = key + + @classmethod + def from_pem(cls, public_pem: bytes) -> "GenericPublicKey": + key = serialization.load_pem_public_key(public_pem) + return cls(key=key) + + def to_pem(self) -> bytes: + return self.key.public_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PublicFormat.SubjectPublicKeyInfo, + ) + + +class CryptographyPrivateKey(GenericPrivateKey): + key: Any = None + key_cls: Any = None + public_cls: Type[CryptographyPublicKey] + + def __init__(self, key: Any) -> None: # pylint: disable=super-init-not-called + if self.key_cls is None: + raise TypeError("Undefined private key class") + if not isinstance( # pylint: disable=isinstance-second-argument-not-valid-type + key, self.key_cls + ): + raise AlgorithmKeyMismatch + self.key = key + + def public_key(self) -> "CryptographyPublicKey": + return self.public_cls(key=self.key.public_key()) + + @classmethod + def from_pem( + cls, private_pem: bytes, password: Optional[bytes] = None + ) -> "GenericPrivateKey": + key = serialization.load_pem_private_key(private_pem, password=password) + return cls(key=key) + + def to_pem(self, password: Optional[bytes] = None) -> bytes: + encryption_algorithm: serialization.KeySerializationEncryption + if password: + encryption_algorithm = serialization.BestAvailableEncryption(password) + else: + encryption_algorithm = serialization.NoEncryption() + return self.key.private_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PrivateFormat.PKCS8, + encryption_algorithm=encryption_algorithm, + ) diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/dsa.py b/venv/lib/python3.12/site-packages/dns/dnssecalgs/dsa.py new file mode 100644 index 0000000..0fe4690 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssecalgs/dsa.py @@ -0,0 +1,101 @@ +import struct + +from cryptography.hazmat.backends import default_backend +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric import dsa, utils + +from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey +from dns.dnssectypes import Algorithm +from dns.rdtypes.ANY.DNSKEY import DNSKEY + + +class PublicDSA(CryptographyPublicKey): + key: dsa.DSAPublicKey + key_cls = dsa.DSAPublicKey + algorithm = Algorithm.DSA + chosen_hash = hashes.SHA1() + + def verify(self, signature: bytes, data: bytes) -> None: + sig_r = signature[1:21] + sig_s = signature[21:] + sig = utils.encode_dss_signature( + int.from_bytes(sig_r, "big"), int.from_bytes(sig_s, "big") + ) + self.key.verify(sig, data, self.chosen_hash) + + def encode_key_bytes(self) -> bytes: + """Encode a public key per RFC 2536, section 2.""" + pn = self.key.public_numbers() + dsa_t = (self.key.key_size // 8 - 64) // 8 + if dsa_t > 8: + raise ValueError("unsupported DSA key size") + octets = 64 + dsa_t * 8 + res = struct.pack("!B", dsa_t) + res += pn.parameter_numbers.q.to_bytes(20, "big") + res += pn.parameter_numbers.p.to_bytes(octets, "big") + res += pn.parameter_numbers.g.to_bytes(octets, "big") + res += pn.y.to_bytes(octets, "big") + return res + + @classmethod + def from_dnskey(cls, key: DNSKEY) -> "PublicDSA": + cls._ensure_algorithm_key_combination(key) + keyptr = key.key + (t,) = struct.unpack("!B", keyptr[0:1]) + keyptr = keyptr[1:] + octets = 64 + t * 8 + dsa_q = keyptr[0:20] + keyptr = keyptr[20:] + dsa_p = keyptr[0:octets] + keyptr = keyptr[octets:] + dsa_g = keyptr[0:octets] + keyptr = keyptr[octets:] + dsa_y = keyptr[0:octets] + return cls( + key=dsa.DSAPublicNumbers( # type: ignore + int.from_bytes(dsa_y, "big"), + dsa.DSAParameterNumbers( + int.from_bytes(dsa_p, "big"), + int.from_bytes(dsa_q, "big"), + int.from_bytes(dsa_g, "big"), + ), + ).public_key(default_backend()), + ) + + +class PrivateDSA(CryptographyPrivateKey): + key: dsa.DSAPrivateKey + key_cls = dsa.DSAPrivateKey + public_cls = PublicDSA + + def sign(self, data: bytes, verify: bool = False) -> bytes: + """Sign using a private key per RFC 2536, section 3.""" + public_dsa_key = self.key.public_key() + if public_dsa_key.key_size > 1024: + raise ValueError("DSA key size overflow") + der_signature = self.key.sign(data, self.public_cls.chosen_hash) + dsa_r, dsa_s = utils.decode_dss_signature(der_signature) + dsa_t = (public_dsa_key.key_size // 8 - 64) // 8 + octets = 20 + signature = ( + struct.pack("!B", dsa_t) + + int.to_bytes(dsa_r, length=octets, byteorder="big") + + int.to_bytes(dsa_s, length=octets, byteorder="big") + ) + if verify: + self.public_key().verify(signature, data) + return signature + + @classmethod + def generate(cls, key_size: int) -> "PrivateDSA": + return cls( + key=dsa.generate_private_key(key_size=key_size), + ) + + +class PublicDSANSEC3SHA1(PublicDSA): + algorithm = Algorithm.DSANSEC3SHA1 + + +class PrivateDSANSEC3SHA1(PrivateDSA): + public_cls = PublicDSANSEC3SHA1 diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/ecdsa.py b/venv/lib/python3.12/site-packages/dns/dnssecalgs/ecdsa.py new file mode 100644 index 0000000..a31d79f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssecalgs/ecdsa.py @@ -0,0 +1,89 @@ +from cryptography.hazmat.backends import default_backend +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric import ec, utils + +from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey +from dns.dnssectypes import Algorithm +from dns.rdtypes.ANY.DNSKEY import DNSKEY + + +class PublicECDSA(CryptographyPublicKey): + key: ec.EllipticCurvePublicKey + key_cls = ec.EllipticCurvePublicKey + algorithm: Algorithm + chosen_hash: hashes.HashAlgorithm + curve: ec.EllipticCurve + octets: int + + def verify(self, signature: bytes, data: bytes) -> None: + sig_r = signature[0 : self.octets] + sig_s = signature[self.octets :] + sig = utils.encode_dss_signature( + int.from_bytes(sig_r, "big"), int.from_bytes(sig_s, "big") + ) + self.key.verify(sig, data, ec.ECDSA(self.chosen_hash)) + + def encode_key_bytes(self) -> bytes: + """Encode a public key per RFC 6605, section 4.""" + pn = self.key.public_numbers() + return pn.x.to_bytes(self.octets, "big") + pn.y.to_bytes(self.octets, "big") + + @classmethod + def from_dnskey(cls, key: DNSKEY) -> "PublicECDSA": + cls._ensure_algorithm_key_combination(key) + ecdsa_x = key.key[0 : cls.octets] + ecdsa_y = key.key[cls.octets : cls.octets * 2] + return cls( + key=ec.EllipticCurvePublicNumbers( + curve=cls.curve, + x=int.from_bytes(ecdsa_x, "big"), + y=int.from_bytes(ecdsa_y, "big"), + ).public_key(default_backend()), + ) + + +class PrivateECDSA(CryptographyPrivateKey): + key: ec.EllipticCurvePrivateKey + key_cls = ec.EllipticCurvePrivateKey + public_cls = PublicECDSA + + def sign(self, data: bytes, verify: bool = False) -> bytes: + """Sign using a private key per RFC 6605, section 4.""" + der_signature = self.key.sign(data, ec.ECDSA(self.public_cls.chosen_hash)) + dsa_r, dsa_s = utils.decode_dss_signature(der_signature) + signature = int.to_bytes( + dsa_r, length=self.public_cls.octets, byteorder="big" + ) + int.to_bytes(dsa_s, length=self.public_cls.octets, byteorder="big") + if verify: + self.public_key().verify(signature, data) + return signature + + @classmethod + def generate(cls) -> "PrivateECDSA": + return cls( + key=ec.generate_private_key( + curve=cls.public_cls.curve, backend=default_backend() + ), + ) + + +class PublicECDSAP256SHA256(PublicECDSA): + algorithm = Algorithm.ECDSAP256SHA256 + chosen_hash = hashes.SHA256() + curve = ec.SECP256R1() + octets = 32 + + +class PrivateECDSAP256SHA256(PrivateECDSA): + public_cls = PublicECDSAP256SHA256 + + +class PublicECDSAP384SHA384(PublicECDSA): + algorithm = Algorithm.ECDSAP384SHA384 + chosen_hash = hashes.SHA384() + curve = ec.SECP384R1() + octets = 48 + + +class PrivateECDSAP384SHA384(PrivateECDSA): + public_cls = PublicECDSAP384SHA384 diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/eddsa.py b/venv/lib/python3.12/site-packages/dns/dnssecalgs/eddsa.py new file mode 100644 index 0000000..7050534 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssecalgs/eddsa.py @@ -0,0 +1,65 @@ +from typing import Type + +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric import ed448, ed25519 + +from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey +from dns.dnssectypes import Algorithm +from dns.rdtypes.ANY.DNSKEY import DNSKEY + + +class PublicEDDSA(CryptographyPublicKey): + def verify(self, signature: bytes, data: bytes) -> None: + self.key.verify(signature, data) + + def encode_key_bytes(self) -> bytes: + """Encode a public key per RFC 8080, section 3.""" + return self.key.public_bytes( + encoding=serialization.Encoding.Raw, format=serialization.PublicFormat.Raw + ) + + @classmethod + def from_dnskey(cls, key: DNSKEY) -> "PublicEDDSA": + cls._ensure_algorithm_key_combination(key) + return cls( + key=cls.key_cls.from_public_bytes(key.key), + ) + + +class PrivateEDDSA(CryptographyPrivateKey): + public_cls: Type[PublicEDDSA] + + def sign(self, data: bytes, verify: bool = False) -> bytes: + """Sign using a private key per RFC 8080, section 4.""" + signature = self.key.sign(data) + if verify: + self.public_key().verify(signature, data) + return signature + + @classmethod + def generate(cls) -> "PrivateEDDSA": + return cls(key=cls.key_cls.generate()) + + +class PublicED25519(PublicEDDSA): + key: ed25519.Ed25519PublicKey + key_cls = ed25519.Ed25519PublicKey + algorithm = Algorithm.ED25519 + + +class PrivateED25519(PrivateEDDSA): + key: ed25519.Ed25519PrivateKey + key_cls = ed25519.Ed25519PrivateKey + public_cls = PublicED25519 + + +class PublicED448(PublicEDDSA): + key: ed448.Ed448PublicKey + key_cls = ed448.Ed448PublicKey + algorithm = Algorithm.ED448 + + +class PrivateED448(PrivateEDDSA): + key: ed448.Ed448PrivateKey + key_cls = ed448.Ed448PrivateKey + public_cls = PublicED448 diff --git a/venv/lib/python3.12/site-packages/dns/dnssecalgs/rsa.py b/venv/lib/python3.12/site-packages/dns/dnssecalgs/rsa.py new file mode 100644 index 0000000..e95dcf1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssecalgs/rsa.py @@ -0,0 +1,119 @@ +import math +import struct + +from cryptography.hazmat.backends import default_backend +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric import padding, rsa + +from dns.dnssecalgs.cryptography import CryptographyPrivateKey, CryptographyPublicKey +from dns.dnssectypes import Algorithm +from dns.rdtypes.ANY.DNSKEY import DNSKEY + + +class PublicRSA(CryptographyPublicKey): + key: rsa.RSAPublicKey + key_cls = rsa.RSAPublicKey + algorithm: Algorithm + chosen_hash: hashes.HashAlgorithm + + def verify(self, signature: bytes, data: bytes) -> None: + self.key.verify(signature, data, padding.PKCS1v15(), self.chosen_hash) + + def encode_key_bytes(self) -> bytes: + """Encode a public key per RFC 3110, section 2.""" + pn = self.key.public_numbers() + _exp_len = math.ceil(int.bit_length(pn.e) / 8) + exp = int.to_bytes(pn.e, length=_exp_len, byteorder="big") + if _exp_len > 255: + exp_header = b"\0" + struct.pack("!H", _exp_len) + else: + exp_header = struct.pack("!B", _exp_len) + if pn.n.bit_length() < 512 or pn.n.bit_length() > 4096: + raise ValueError("unsupported RSA key length") + return exp_header + exp + pn.n.to_bytes((pn.n.bit_length() + 7) // 8, "big") + + @classmethod + def from_dnskey(cls, key: DNSKEY) -> "PublicRSA": + cls._ensure_algorithm_key_combination(key) + keyptr = key.key + (bytes_,) = struct.unpack("!B", keyptr[0:1]) + keyptr = keyptr[1:] + if bytes_ == 0: + (bytes_,) = struct.unpack("!H", keyptr[0:2]) + keyptr = keyptr[2:] + rsa_e = keyptr[0:bytes_] + rsa_n = keyptr[bytes_:] + return cls( + key=rsa.RSAPublicNumbers( + int.from_bytes(rsa_e, "big"), int.from_bytes(rsa_n, "big") + ).public_key(default_backend()) + ) + + +class PrivateRSA(CryptographyPrivateKey): + key: rsa.RSAPrivateKey + key_cls = rsa.RSAPrivateKey + public_cls = PublicRSA + default_public_exponent = 65537 + + def sign(self, data: bytes, verify: bool = False) -> bytes: + """Sign using a private key per RFC 3110, section 3.""" + signature = self.key.sign(data, padding.PKCS1v15(), self.public_cls.chosen_hash) + if verify: + self.public_key().verify(signature, data) + return signature + + @classmethod + def generate(cls, key_size: int) -> "PrivateRSA": + return cls( + key=rsa.generate_private_key( + public_exponent=cls.default_public_exponent, + key_size=key_size, + backend=default_backend(), + ) + ) + + +class PublicRSAMD5(PublicRSA): + algorithm = Algorithm.RSAMD5 + chosen_hash = hashes.MD5() + + +class PrivateRSAMD5(PrivateRSA): + public_cls = PublicRSAMD5 + + +class PublicRSASHA1(PublicRSA): + algorithm = Algorithm.RSASHA1 + chosen_hash = hashes.SHA1() + + +class PrivateRSASHA1(PrivateRSA): + public_cls = PublicRSASHA1 + + +class PublicRSASHA1NSEC3SHA1(PublicRSA): + algorithm = Algorithm.RSASHA1NSEC3SHA1 + chosen_hash = hashes.SHA1() + + +class PrivateRSASHA1NSEC3SHA1(PrivateRSA): + public_cls = PublicRSASHA1NSEC3SHA1 + + +class PublicRSASHA256(PublicRSA): + algorithm = Algorithm.RSASHA256 + chosen_hash = hashes.SHA256() + + +class PrivateRSASHA256(PrivateRSA): + public_cls = PublicRSASHA256 + + +class PublicRSASHA512(PublicRSA): + algorithm = Algorithm.RSASHA512 + chosen_hash = hashes.SHA512() + + +class PrivateRSASHA512(PrivateRSA): + public_cls = PublicRSASHA512 diff --git a/venv/lib/python3.12/site-packages/dns/dnssectypes.py b/venv/lib/python3.12/site-packages/dns/dnssectypes.py new file mode 100644 index 0000000..02131e0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/dnssectypes.py @@ -0,0 +1,71 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Common DNSSEC-related types.""" + +# This is a separate file to avoid import circularity between dns.dnssec and +# the implementations of the DS and DNSKEY types. + +import dns.enum + + +class Algorithm(dns.enum.IntEnum): + RSAMD5 = 1 + DH = 2 + DSA = 3 + ECC = 4 + RSASHA1 = 5 + DSANSEC3SHA1 = 6 + RSASHA1NSEC3SHA1 = 7 + RSASHA256 = 8 + RSASHA512 = 10 + ECCGOST = 12 + ECDSAP256SHA256 = 13 + ECDSAP384SHA384 = 14 + ED25519 = 15 + ED448 = 16 + INDIRECT = 252 + PRIVATEDNS = 253 + PRIVATEOID = 254 + + @classmethod + def _maximum(cls): + return 255 + + +class DSDigest(dns.enum.IntEnum): + """DNSSEC Delegation Signer Digest Algorithm""" + + NULL = 0 + SHA1 = 1 + SHA256 = 2 + GOST = 3 + SHA384 = 4 + + @classmethod + def _maximum(cls): + return 255 + + +class NSEC3Hash(dns.enum.IntEnum): + """NSEC3 hash algorithm""" + + SHA1 = 1 + + @classmethod + def _maximum(cls): + return 255 diff --git a/venv/lib/python3.12/site-packages/dns/e164.py b/venv/lib/python3.12/site-packages/dns/e164.py new file mode 100644 index 0000000..453736d --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/e164.py @@ -0,0 +1,116 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS E.164 helpers.""" + +from typing import Iterable, Optional, Union + +import dns.exception +import dns.name +import dns.resolver + +#: The public E.164 domain. +public_enum_domain = dns.name.from_text("e164.arpa.") + + +def from_e164( + text: str, origin: Optional[dns.name.Name] = public_enum_domain +) -> dns.name.Name: + """Convert an E.164 number in textual form into a Name object whose + value is the ENUM domain name for that number. + + Non-digits in the text are ignored, i.e. "16505551212", + "+1.650.555.1212" and "1 (650) 555-1212" are all the same. + + *text*, a ``str``, is an E.164 number in textual form. + + *origin*, a ``dns.name.Name``, the domain in which the number + should be constructed. The default is ``e164.arpa.``. + + Returns a ``dns.name.Name``. + """ + + parts = [d for d in text if d.isdigit()] + parts.reverse() + return dns.name.from_text(".".join(parts), origin=origin) + + +def to_e164( + name: dns.name.Name, + origin: Optional[dns.name.Name] = public_enum_domain, + want_plus_prefix: bool = True, +) -> str: + """Convert an ENUM domain name into an E.164 number. + + Note that dnspython does not have any information about preferred + number formats within national numbering plans, so all numbers are + emitted as a simple string of digits, prefixed by a '+' (unless + *want_plus_prefix* is ``False``). + + *name* is a ``dns.name.Name``, the ENUM domain name. + + *origin* is a ``dns.name.Name``, a domain containing the ENUM + domain name. The name is relativized to this domain before being + converted to text. If ``None``, no relativization is done. + + *want_plus_prefix* is a ``bool``. If True, add a '+' to the beginning of + the returned number. + + Returns a ``str``. + + """ + if origin is not None: + name = name.relativize(origin) + dlabels = [d for d in name.labels if d.isdigit() and len(d) == 1] + if len(dlabels) != len(name.labels): + raise dns.exception.SyntaxError("non-digit labels in ENUM domain name") + dlabels.reverse() + text = b"".join(dlabels) + if want_plus_prefix: + text = b"+" + text + return text.decode() + + +def query( + number: str, + domains: Iterable[Union[dns.name.Name, str]], + resolver: Optional[dns.resolver.Resolver] = None, +) -> dns.resolver.Answer: + """Look for NAPTR RRs for the specified number in the specified domains. + + e.g. lookup('16505551212', ['e164.dnspython.org.', 'e164.arpa.']) + + *number*, a ``str`` is the number to look for. + + *domains* is an iterable containing ``dns.name.Name`` values. + + *resolver*, a ``dns.resolver.Resolver``, is the resolver to use. If + ``None``, the default resolver is used. + """ + + if resolver is None: + resolver = dns.resolver.get_default_resolver() + e_nx = dns.resolver.NXDOMAIN() + for domain in domains: + if isinstance(domain, str): + domain = dns.name.from_text(domain) + qname = dns.e164.from_e164(number, domain) + try: + return resolver.resolve(qname, "NAPTR") + except dns.resolver.NXDOMAIN as e: + e_nx += e + raise e_nx diff --git a/venv/lib/python3.12/site-packages/dns/edns.py b/venv/lib/python3.12/site-packages/dns/edns.py new file mode 100644 index 0000000..776e5ee --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/edns.py @@ -0,0 +1,516 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2009-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""EDNS Options""" + +import binascii +import math +import socket +import struct +from typing import Any, Dict, Optional, Union + +import dns.enum +import dns.inet +import dns.rdata +import dns.wire + + +class OptionType(dns.enum.IntEnum): + #: NSID + NSID = 3 + #: DAU + DAU = 5 + #: DHU + DHU = 6 + #: N3U + N3U = 7 + #: ECS (client-subnet) + ECS = 8 + #: EXPIRE + EXPIRE = 9 + #: COOKIE + COOKIE = 10 + #: KEEPALIVE + KEEPALIVE = 11 + #: PADDING + PADDING = 12 + #: CHAIN + CHAIN = 13 + #: EDE (extended-dns-error) + EDE = 15 + + @classmethod + def _maximum(cls): + return 65535 + + +class Option: + """Base class for all EDNS option types.""" + + def __init__(self, otype: Union[OptionType, str]): + """Initialize an option. + + *otype*, a ``dns.edns.OptionType``, is the option type. + """ + self.otype = OptionType.make(otype) + + def to_wire(self, file: Optional[Any] = None) -> Optional[bytes]: + """Convert an option to wire format. + + Returns a ``bytes`` or ``None``. + + """ + raise NotImplementedError # pragma: no cover + + def to_text(self) -> str: + raise NotImplementedError # pragma: no cover + + @classmethod + def from_wire_parser(cls, otype: OptionType, parser: "dns.wire.Parser") -> "Option": + """Build an EDNS option object from wire format. + + *otype*, a ``dns.edns.OptionType``, is the option type. + + *parser*, a ``dns.wire.Parser``, the parser, which should be + restructed to the option length. + + Returns a ``dns.edns.Option``. + """ + raise NotImplementedError # pragma: no cover + + def _cmp(self, other): + """Compare an EDNS option with another option of the same type. + + Returns < 0 if < *other*, 0 if == *other*, and > 0 if > *other*. + """ + wire = self.to_wire() + owire = other.to_wire() + if wire == owire: + return 0 + if wire > owire: + return 1 + return -1 + + def __eq__(self, other): + if not isinstance(other, Option): + return False + if self.otype != other.otype: + return False + return self._cmp(other) == 0 + + def __ne__(self, other): + if not isinstance(other, Option): + return True + if self.otype != other.otype: + return True + return self._cmp(other) != 0 + + def __lt__(self, other): + if not isinstance(other, Option) or self.otype != other.otype: + return NotImplemented + return self._cmp(other) < 0 + + def __le__(self, other): + if not isinstance(other, Option) or self.otype != other.otype: + return NotImplemented + return self._cmp(other) <= 0 + + def __ge__(self, other): + if not isinstance(other, Option) or self.otype != other.otype: + return NotImplemented + return self._cmp(other) >= 0 + + def __gt__(self, other): + if not isinstance(other, Option) or self.otype != other.otype: + return NotImplemented + return self._cmp(other) > 0 + + def __str__(self): + return self.to_text() + + +class GenericOption(Option): # lgtm[py/missing-equals] + """Generic Option Class + + This class is used for EDNS option types for which we have no better + implementation. + """ + + def __init__(self, otype: Union[OptionType, str], data: Union[bytes, str]): + super().__init__(otype) + self.data = dns.rdata.Rdata._as_bytes(data, True) + + def to_wire(self, file: Optional[Any] = None) -> Optional[bytes]: + if file: + file.write(self.data) + return None + else: + return self.data + + def to_text(self) -> str: + return "Generic %d" % self.otype + + @classmethod + def from_wire_parser( + cls, otype: Union[OptionType, str], parser: "dns.wire.Parser" + ) -> Option: + return cls(otype, parser.get_remaining()) + + +class ECSOption(Option): # lgtm[py/missing-equals] + """EDNS Client Subnet (ECS, RFC7871)""" + + def __init__(self, address: str, srclen: Optional[int] = None, scopelen: int = 0): + """*address*, a ``str``, is the client address information. + + *srclen*, an ``int``, the source prefix length, which is the + leftmost number of bits of the address to be used for the + lookup. The default is 24 for IPv4 and 56 for IPv6. + + *scopelen*, an ``int``, the scope prefix length. This value + must be 0 in queries, and should be set in responses. + """ + + super().__init__(OptionType.ECS) + af = dns.inet.af_for_address(address) + + if af == socket.AF_INET6: + self.family = 2 + if srclen is None: + srclen = 56 + address = dns.rdata.Rdata._as_ipv6_address(address) + srclen = dns.rdata.Rdata._as_int(srclen, 0, 128) + scopelen = dns.rdata.Rdata._as_int(scopelen, 0, 128) + elif af == socket.AF_INET: + self.family = 1 + if srclen is None: + srclen = 24 + address = dns.rdata.Rdata._as_ipv4_address(address) + srclen = dns.rdata.Rdata._as_int(srclen, 0, 32) + scopelen = dns.rdata.Rdata._as_int(scopelen, 0, 32) + else: # pragma: no cover (this will never happen) + raise ValueError("Bad address family") + + assert srclen is not None + self.address = address + self.srclen = srclen + self.scopelen = scopelen + + addrdata = dns.inet.inet_pton(af, address) + nbytes = int(math.ceil(srclen / 8.0)) + + # Truncate to srclen and pad to the end of the last octet needed + # See RFC section 6 + self.addrdata = addrdata[:nbytes] + nbits = srclen % 8 + if nbits != 0: + last = struct.pack("B", ord(self.addrdata[-1:]) & (0xFF << (8 - nbits))) + self.addrdata = self.addrdata[:-1] + last + + def to_text(self) -> str: + return "ECS {}/{} scope/{}".format(self.address, self.srclen, self.scopelen) + + @staticmethod + def from_text(text: str) -> Option: + """Convert a string into a `dns.edns.ECSOption` + + *text*, a `str`, the text form of the option. + + Returns a `dns.edns.ECSOption`. + + Examples: + + >>> import dns.edns + >>> + >>> # basic example + >>> dns.edns.ECSOption.from_text('1.2.3.4/24') + >>> + >>> # also understands scope + >>> dns.edns.ECSOption.from_text('1.2.3.4/24/32') + >>> + >>> # IPv6 + >>> dns.edns.ECSOption.from_text('2001:4b98::1/64/64') + >>> + >>> # it understands results from `dns.edns.ECSOption.to_text()` + >>> dns.edns.ECSOption.from_text('ECS 1.2.3.4/24/32') + """ + optional_prefix = "ECS" + tokens = text.split() + ecs_text = None + if len(tokens) == 1: + ecs_text = tokens[0] + elif len(tokens) == 2: + if tokens[0] != optional_prefix: + raise ValueError('could not parse ECS from "{}"'.format(text)) + ecs_text = tokens[1] + else: + raise ValueError('could not parse ECS from "{}"'.format(text)) + n_slashes = ecs_text.count("/") + if n_slashes == 1: + address, tsrclen = ecs_text.split("/") + tscope = "0" + elif n_slashes == 2: + address, tsrclen, tscope = ecs_text.split("/") + else: + raise ValueError('could not parse ECS from "{}"'.format(text)) + try: + scope = int(tscope) + except ValueError: + raise ValueError( + "invalid scope " + '"{}": scope must be an integer'.format(tscope) + ) + try: + srclen = int(tsrclen) + except ValueError: + raise ValueError( + "invalid srclen " + '"{}": srclen must be an integer'.format(tsrclen) + ) + return ECSOption(address, srclen, scope) + + def to_wire(self, file: Optional[Any] = None) -> Optional[bytes]: + value = ( + struct.pack("!HBB", self.family, self.srclen, self.scopelen) + self.addrdata + ) + if file: + file.write(value) + return None + else: + return value + + @classmethod + def from_wire_parser( + cls, otype: Union[OptionType, str], parser: "dns.wire.Parser" + ) -> Option: + family, src, scope = parser.get_struct("!HBB") + addrlen = int(math.ceil(src / 8.0)) + prefix = parser.get_bytes(addrlen) + if family == 1: + pad = 4 - addrlen + addr = dns.ipv4.inet_ntoa(prefix + b"\x00" * pad) + elif family == 2: + pad = 16 - addrlen + addr = dns.ipv6.inet_ntoa(prefix + b"\x00" * pad) + else: + raise ValueError("unsupported family") + + return cls(addr, src, scope) + + +class EDECode(dns.enum.IntEnum): + OTHER = 0 + UNSUPPORTED_DNSKEY_ALGORITHM = 1 + UNSUPPORTED_DS_DIGEST_TYPE = 2 + STALE_ANSWER = 3 + FORGED_ANSWER = 4 + DNSSEC_INDETERMINATE = 5 + DNSSEC_BOGUS = 6 + SIGNATURE_EXPIRED = 7 + SIGNATURE_NOT_YET_VALID = 8 + DNSKEY_MISSING = 9 + RRSIGS_MISSING = 10 + NO_ZONE_KEY_BIT_SET = 11 + NSEC_MISSING = 12 + CACHED_ERROR = 13 + NOT_READY = 14 + BLOCKED = 15 + CENSORED = 16 + FILTERED = 17 + PROHIBITED = 18 + STALE_NXDOMAIN_ANSWER = 19 + NOT_AUTHORITATIVE = 20 + NOT_SUPPORTED = 21 + NO_REACHABLE_AUTHORITY = 22 + NETWORK_ERROR = 23 + INVALID_DATA = 24 + + @classmethod + def _maximum(cls): + return 65535 + + +class EDEOption(Option): # lgtm[py/missing-equals] + """Extended DNS Error (EDE, RFC8914)""" + + _preserve_case = {"DNSKEY", "DS", "DNSSEC", "RRSIGs", "NSEC", "NXDOMAIN"} + + def __init__(self, code: Union[EDECode, str], text: Optional[str] = None): + """*code*, a ``dns.edns.EDECode`` or ``str``, the info code of the + extended error. + + *text*, a ``str`` or ``None``, specifying additional information about + the error. + """ + + super().__init__(OptionType.EDE) + + self.code = EDECode.make(code) + if text is not None and not isinstance(text, str): + raise ValueError("text must be string or None") + self.text = text + + def to_text(self) -> str: + output = f"EDE {self.code}" + if self.code in EDECode: + desc = EDECode.to_text(self.code) + desc = " ".join( + word if word in self._preserve_case else word.title() + for word in desc.split("_") + ) + output += f" ({desc})" + if self.text is not None: + output += f": {self.text}" + return output + + def to_wire(self, file: Optional[Any] = None) -> Optional[bytes]: + value = struct.pack("!H", self.code) + if self.text is not None: + value += self.text.encode("utf8") + + if file: + file.write(value) + return None + else: + return value + + @classmethod + def from_wire_parser( + cls, otype: Union[OptionType, str], parser: "dns.wire.Parser" + ) -> Option: + code = EDECode.make(parser.get_uint16()) + text = parser.get_remaining() + + if text: + if text[-1] == 0: # text MAY be null-terminated + text = text[:-1] + btext = text.decode("utf8") + else: + btext = None + + return cls(code, btext) + + +class NSIDOption(Option): + def __init__(self, nsid: bytes): + super().__init__(OptionType.NSID) + self.nsid = nsid + + def to_wire(self, file: Any = None) -> Optional[bytes]: + if file: + file.write(self.nsid) + return None + else: + return self.nsid + + def to_text(self) -> str: + if all(c >= 0x20 and c <= 0x7E for c in self.nsid): + # All ASCII printable, so it's probably a string. + value = self.nsid.decode() + else: + value = binascii.hexlify(self.nsid).decode() + return f"NSID {value}" + + @classmethod + def from_wire_parser( + cls, otype: Union[OptionType, str], parser: dns.wire.Parser + ) -> Option: + return cls(parser.get_remaining()) + + +_type_to_class: Dict[OptionType, Any] = { + OptionType.ECS: ECSOption, + OptionType.EDE: EDEOption, + OptionType.NSID: NSIDOption, +} + + +def get_option_class(otype: OptionType) -> Any: + """Return the class for the specified option type. + + The GenericOption class is used if a more specific class is not + known. + """ + + cls = _type_to_class.get(otype) + if cls is None: + cls = GenericOption + return cls + + +def option_from_wire_parser( + otype: Union[OptionType, str], parser: "dns.wire.Parser" +) -> Option: + """Build an EDNS option object from wire format. + + *otype*, an ``int``, is the option type. + + *parser*, a ``dns.wire.Parser``, the parser, which should be + restricted to the option length. + + Returns an instance of a subclass of ``dns.edns.Option``. + """ + otype = OptionType.make(otype) + cls = get_option_class(otype) + return cls.from_wire_parser(otype, parser) + + +def option_from_wire( + otype: Union[OptionType, str], wire: bytes, current: int, olen: int +) -> Option: + """Build an EDNS option object from wire format. + + *otype*, an ``int``, is the option type. + + *wire*, a ``bytes``, is the wire-format message. + + *current*, an ``int``, is the offset in *wire* of the beginning + of the rdata. + + *olen*, an ``int``, is the length of the wire-format option data + + Returns an instance of a subclass of ``dns.edns.Option``. + """ + parser = dns.wire.Parser(wire, current) + with parser.restrict_to(olen): + return option_from_wire_parser(otype, parser) + + +def register_type(implementation: Any, otype: OptionType) -> None: + """Register the implementation of an option type. + + *implementation*, a ``class``, is a subclass of ``dns.edns.Option``. + + *otype*, an ``int``, is the option type. + """ + + _type_to_class[otype] = implementation + + +### BEGIN generated OptionType constants + +NSID = OptionType.NSID +DAU = OptionType.DAU +DHU = OptionType.DHU +N3U = OptionType.N3U +ECS = OptionType.ECS +EXPIRE = OptionType.EXPIRE +COOKIE = OptionType.COOKIE +KEEPALIVE = OptionType.KEEPALIVE +PADDING = OptionType.PADDING +CHAIN = OptionType.CHAIN +EDE = OptionType.EDE + +### END generated OptionType constants diff --git a/venv/lib/python3.12/site-packages/dns/entropy.py b/venv/lib/python3.12/site-packages/dns/entropy.py new file mode 100644 index 0000000..4dcdc62 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/entropy.py @@ -0,0 +1,130 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2009-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import hashlib +import os +import random +import threading +import time +from typing import Any, Optional + + +class EntropyPool: + # This is an entropy pool for Python implementations that do not + # have a working SystemRandom. I'm not sure there are any, but + # leaving this code doesn't hurt anything as the library code + # is used if present. + + def __init__(self, seed: Optional[bytes] = None): + self.pool_index = 0 + self.digest: Optional[bytearray] = None + self.next_byte = 0 + self.lock = threading.Lock() + self.hash = hashlib.sha1() + self.hash_len = 20 + self.pool = bytearray(b"\0" * self.hash_len) + if seed is not None: + self._stir(seed) + self.seeded = True + self.seed_pid = os.getpid() + else: + self.seeded = False + self.seed_pid = 0 + + def _stir(self, entropy: bytes) -> None: + for c in entropy: + if self.pool_index == self.hash_len: + self.pool_index = 0 + b = c & 0xFF + self.pool[self.pool_index] ^= b + self.pool_index += 1 + + def stir(self, entropy: bytes) -> None: + with self.lock: + self._stir(entropy) + + def _maybe_seed(self) -> None: + if not self.seeded or self.seed_pid != os.getpid(): + try: + seed = os.urandom(16) + except Exception: # pragma: no cover + try: + with open("/dev/urandom", "rb", 0) as r: + seed = r.read(16) + except Exception: + seed = str(time.time()).encode() + self.seeded = True + self.seed_pid = os.getpid() + self.digest = None + seed = bytearray(seed) + self._stir(seed) + + def random_8(self) -> int: + with self.lock: + self._maybe_seed() + if self.digest is None or self.next_byte == self.hash_len: + self.hash.update(bytes(self.pool)) + self.digest = bytearray(self.hash.digest()) + self._stir(self.digest) + self.next_byte = 0 + value = self.digest[self.next_byte] + self.next_byte += 1 + return value + + def random_16(self) -> int: + return self.random_8() * 256 + self.random_8() + + def random_32(self) -> int: + return self.random_16() * 65536 + self.random_16() + + def random_between(self, first: int, last: int) -> int: + size = last - first + 1 + if size > 4294967296: + raise ValueError("too big") + if size > 65536: + rand = self.random_32 + max = 4294967295 + elif size > 256: + rand = self.random_16 + max = 65535 + else: + rand = self.random_8 + max = 255 + return first + size * rand() // (max + 1) + + +pool = EntropyPool() + +system_random: Optional[Any] +try: + system_random = random.SystemRandom() +except Exception: # pragma: no cover + system_random = None + + +def random_16() -> int: + if system_random is not None: + return system_random.randrange(0, 65536) + else: + return pool.random_16() + + +def between(first: int, last: int) -> int: + if system_random is not None: + return system_random.randrange(first, last + 1) + else: + return pool.random_between(first, last) diff --git a/venv/lib/python3.12/site-packages/dns/enum.py b/venv/lib/python3.12/site-packages/dns/enum.py new file mode 100644 index 0000000..71461f1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/enum.py @@ -0,0 +1,116 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import enum +from typing import Type, TypeVar, Union + +TIntEnum = TypeVar("TIntEnum", bound="IntEnum") + + +class IntEnum(enum.IntEnum): + @classmethod + def _missing_(cls, value): + cls._check_value(value) + val = int.__new__(cls, value) + val._name_ = cls._extra_to_text(value, None) or f"{cls._prefix()}{value}" + val._value_ = value + return val + + @classmethod + def _check_value(cls, value): + max = cls._maximum() + if not isinstance(value, int): + raise TypeError + if value < 0 or value > max: + name = cls._short_name() + raise ValueError(f"{name} must be an int between >= 0 and <= {max}") + + @classmethod + def from_text(cls: Type[TIntEnum], text: str) -> TIntEnum: + text = text.upper() + try: + return cls[text] + except KeyError: + pass + value = cls._extra_from_text(text) + if value: + return value + prefix = cls._prefix() + if text.startswith(prefix) and text[len(prefix) :].isdigit(): + value = int(text[len(prefix) :]) + cls._check_value(value) + try: + return cls(value) + except ValueError: + return value + raise cls._unknown_exception_class() + + @classmethod + def to_text(cls: Type[TIntEnum], value: int) -> str: + cls._check_value(value) + try: + text = cls(value).name + except ValueError: + text = None + text = cls._extra_to_text(value, text) + if text is None: + text = f"{cls._prefix()}{value}" + return text + + @classmethod + def make(cls: Type[TIntEnum], value: Union[int, str]) -> TIntEnum: + """Convert text or a value into an enumerated type, if possible. + + *value*, the ``int`` or ``str`` to convert. + + Raises a class-specific exception if a ``str`` is provided that + cannot be converted. + + Raises ``ValueError`` if the value is out of range. + + Returns an enumeration from the calling class corresponding to the + value, if one is defined, or an ``int`` otherwise. + """ + + if isinstance(value, str): + return cls.from_text(value) + cls._check_value(value) + return cls(value) + + @classmethod + def _maximum(cls): + raise NotImplementedError # pragma: no cover + + @classmethod + def _short_name(cls): + return cls.__name__.lower() + + @classmethod + def _prefix(cls): + return "" + + @classmethod + def _extra_from_text(cls, text): # pylint: disable=W0613 + return None + + @classmethod + def _extra_to_text(cls, value, current_text): # pylint: disable=W0613 + return current_text + + @classmethod + def _unknown_exception_class(cls): + return ValueError diff --git a/venv/lib/python3.12/site-packages/dns/exception.py b/venv/lib/python3.12/site-packages/dns/exception.py new file mode 100644 index 0000000..6982373 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/exception.py @@ -0,0 +1,169 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Common DNS Exceptions. + +Dnspython modules may also define their own exceptions, which will +always be subclasses of ``DNSException``. +""" + + +from typing import Optional, Set + + +class DNSException(Exception): + """Abstract base class shared by all dnspython exceptions. + + It supports two basic modes of operation: + + a) Old/compatible mode is used if ``__init__`` was called with + empty *kwargs*. In compatible mode all *args* are passed + to the standard Python Exception class as before and all *args* are + printed by the standard ``__str__`` implementation. Class variable + ``msg`` (or doc string if ``msg`` is ``None``) is returned from ``str()`` + if *args* is empty. + + b) New/parametrized mode is used if ``__init__`` was called with + non-empty *kwargs*. + In the new mode *args* must be empty and all kwargs must match + those set in class variable ``supp_kwargs``. All kwargs are stored inside + ``self.kwargs`` and used in a new ``__str__`` implementation to construct + a formatted message based on the ``fmt`` class variable, a ``string``. + + In the simplest case it is enough to override the ``supp_kwargs`` + and ``fmt`` class variables to get nice parametrized messages. + """ + + msg: Optional[str] = None # non-parametrized message + supp_kwargs: Set[str] = set() # accepted parameters for _fmt_kwargs (sanity check) + fmt: Optional[str] = None # message parametrized with results from _fmt_kwargs + + def __init__(self, *args, **kwargs): + self._check_params(*args, **kwargs) + if kwargs: + # This call to a virtual method from __init__ is ok in our usage + self.kwargs = self._check_kwargs(**kwargs) # lgtm[py/init-calls-subclass] + self.msg = str(self) + else: + self.kwargs = dict() # defined but empty for old mode exceptions + if self.msg is None: + # doc string is better implicit message than empty string + self.msg = self.__doc__ + if args: + super().__init__(*args) + else: + super().__init__(self.msg) + + def _check_params(self, *args, **kwargs): + """Old exceptions supported only args and not kwargs. + + For sanity we do not allow to mix old and new behavior.""" + if args or kwargs: + assert bool(args) != bool( + kwargs + ), "keyword arguments are mutually exclusive with positional args" + + def _check_kwargs(self, **kwargs): + if kwargs: + assert ( + set(kwargs.keys()) == self.supp_kwargs + ), "following set of keyword args is required: %s" % (self.supp_kwargs) + return kwargs + + def _fmt_kwargs(self, **kwargs): + """Format kwargs before printing them. + + Resulting dictionary has to have keys necessary for str.format call + on fmt class variable. + """ + fmtargs = {} + for kw, data in kwargs.items(): + if isinstance(data, (list, set)): + # convert list of to list of str() + fmtargs[kw] = list(map(str, data)) + if len(fmtargs[kw]) == 1: + # remove list brackets [] from single-item lists + fmtargs[kw] = fmtargs[kw].pop() + else: + fmtargs[kw] = data + return fmtargs + + def __str__(self): + if self.kwargs and self.fmt: + # provide custom message constructed from keyword arguments + fmtargs = self._fmt_kwargs(**self.kwargs) + return self.fmt.format(**fmtargs) + else: + # print *args directly in the same way as old DNSException + return super().__str__() + + +class FormError(DNSException): + """DNS message is malformed.""" + + +class SyntaxError(DNSException): + """Text input is malformed.""" + + +class UnexpectedEnd(SyntaxError): + """Text input ended unexpectedly.""" + + +class TooBig(DNSException): + """The DNS message is too big.""" + + +class Timeout(DNSException): + """The DNS operation timed out.""" + + supp_kwargs = {"timeout"} + fmt = "The DNS operation timed out after {timeout:.3f} seconds" + + # We do this as otherwise mypy complains about unexpected keyword argument + # idna_exception + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + +class UnsupportedAlgorithm(DNSException): + """The DNSSEC algorithm is not supported.""" + + +class AlgorithmKeyMismatch(UnsupportedAlgorithm): + """The DNSSEC algorithm is not supported for the given key type.""" + + +class ValidationFailure(DNSException): + """The DNSSEC signature is invalid.""" + + +class DeniedByPolicy(DNSException): + """Denied by DNSSEC policy.""" + + +class ExceptionWrapper: + def __init__(self, exception_class): + self.exception_class = exception_class + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + if exc_type is not None and not isinstance(exc_val, self.exception_class): + raise self.exception_class(str(exc_val)) from exc_val + return False diff --git a/venv/lib/python3.12/site-packages/dns/flags.py b/venv/lib/python3.12/site-packages/dns/flags.py new file mode 100644 index 0000000..4c60be1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/flags.py @@ -0,0 +1,123 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Message Flags.""" + +import enum +from typing import Any + +# Standard DNS flags + + +class Flag(enum.IntFlag): + #: Query Response + QR = 0x8000 + #: Authoritative Answer + AA = 0x0400 + #: Truncated Response + TC = 0x0200 + #: Recursion Desired + RD = 0x0100 + #: Recursion Available + RA = 0x0080 + #: Authentic Data + AD = 0x0020 + #: Checking Disabled + CD = 0x0010 + + +# EDNS flags + + +class EDNSFlag(enum.IntFlag): + #: DNSSEC answer OK + DO = 0x8000 + + +def _from_text(text: str, enum_class: Any) -> int: + flags = 0 + tokens = text.split() + for t in tokens: + flags |= enum_class[t.upper()] + return flags + + +def _to_text(flags: int, enum_class: Any) -> str: + text_flags = [] + for k, v in enum_class.__members__.items(): + if flags & v != 0: + text_flags.append(k) + return " ".join(text_flags) + + +def from_text(text: str) -> int: + """Convert a space-separated list of flag text values into a flags + value. + + Returns an ``int`` + """ + + return _from_text(text, Flag) + + +def to_text(flags: int) -> str: + """Convert a flags value into a space-separated list of flag text + values. + + Returns a ``str``. + """ + + return _to_text(flags, Flag) + + +def edns_from_text(text: str) -> int: + """Convert a space-separated list of EDNS flag text values into a EDNS + flags value. + + Returns an ``int`` + """ + + return _from_text(text, EDNSFlag) + + +def edns_to_text(flags: int) -> str: + """Convert an EDNS flags value into a space-separated list of EDNS flag + text values. + + Returns a ``str``. + """ + + return _to_text(flags, EDNSFlag) + + +### BEGIN generated Flag constants + +QR = Flag.QR +AA = Flag.AA +TC = Flag.TC +RD = Flag.RD +RA = Flag.RA +AD = Flag.AD +CD = Flag.CD + +### END generated Flag constants + +### BEGIN generated EDNSFlag constants + +DO = EDNSFlag.DO + +### END generated EDNSFlag constants diff --git a/venv/lib/python3.12/site-packages/dns/grange.py b/venv/lib/python3.12/site-packages/dns/grange.py new file mode 100644 index 0000000..3a52278 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/grange.py @@ -0,0 +1,72 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2012-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS GENERATE range conversion.""" + +from typing import Tuple + +import dns + + +def from_text(text: str) -> Tuple[int, int, int]: + """Convert the text form of a range in a ``$GENERATE`` statement to an + integer. + + *text*, a ``str``, the textual range in ``$GENERATE`` form. + + Returns a tuple of three ``int`` values ``(start, stop, step)``. + """ + + start = -1 + stop = -1 + step = 1 + cur = "" + state = 0 + # state 0 1 2 + # x - y / z + + if text and text[0] == "-": + raise dns.exception.SyntaxError("Start cannot be a negative number") + + for c in text: + if c == "-" and state == 0: + start = int(cur) + cur = "" + state = 1 + elif c == "/": + stop = int(cur) + cur = "" + state = 2 + elif c.isdigit(): + cur += c + else: + raise dns.exception.SyntaxError("Could not parse %s" % (c)) + + if state == 0: + raise dns.exception.SyntaxError("no stop value specified") + elif state == 1: + stop = int(cur) + else: + assert state == 2 + step = int(cur) + + assert step >= 1 + assert start >= 0 + if start > stop: + raise dns.exception.SyntaxError("start must be <= stop") + + return (start, stop, step) diff --git a/venv/lib/python3.12/site-packages/dns/immutable.py b/venv/lib/python3.12/site-packages/dns/immutable.py new file mode 100644 index 0000000..36b0362 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/immutable.py @@ -0,0 +1,68 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import collections.abc +from typing import Any, Callable + +from dns._immutable_ctx import immutable + + +@immutable +class Dict(collections.abc.Mapping): # lgtm[py/missing-equals] + def __init__( + self, + dictionary: Any, + no_copy: bool = False, + map_factory: Callable[[], collections.abc.MutableMapping] = dict, + ): + """Make an immutable dictionary from the specified dictionary. + + If *no_copy* is `True`, then *dictionary* will be wrapped instead + of copied. Only set this if you are sure there will be no external + references to the dictionary. + """ + if no_copy and isinstance(dictionary, collections.abc.MutableMapping): + self._odict = dictionary + else: + self._odict = map_factory() + self._odict.update(dictionary) + self._hash = None + + def __getitem__(self, key): + return self._odict.__getitem__(key) + + def __hash__(self): # pylint: disable=invalid-hash-returned + if self._hash is None: + h = 0 + for key in sorted(self._odict.keys()): + h ^= hash(key) + object.__setattr__(self, "_hash", h) + # this does return an int, but pylint doesn't figure that out + return self._hash + + def __len__(self): + return len(self._odict) + + def __iter__(self): + return iter(self._odict) + + +def constify(o: Any) -> Any: + """ + Convert mutable types to immutable types. + """ + if isinstance(o, bytearray): + return bytes(o) + if isinstance(o, tuple): + try: + hash(o) + return o + except Exception: + return tuple(constify(elt) for elt in o) + if isinstance(o, list): + return tuple(constify(elt) for elt in o) + if isinstance(o, dict): + cdict = dict() + for k, v in o.items(): + cdict[k] = constify(v) + return Dict(cdict, True) + return o diff --git a/venv/lib/python3.12/site-packages/dns/inet.py b/venv/lib/python3.12/site-packages/dns/inet.py new file mode 100644 index 0000000..4a03f99 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/inet.py @@ -0,0 +1,197 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Generic Internet address helper functions.""" + +import socket +from typing import Any, Optional, Tuple + +import dns.ipv4 +import dns.ipv6 + +# We assume that AF_INET and AF_INET6 are always defined. We keep +# these here for the benefit of any old code (unlikely though that +# is!). +AF_INET = socket.AF_INET +AF_INET6 = socket.AF_INET6 + + +def inet_pton(family: int, text: str) -> bytes: + """Convert the textual form of a network address into its binary form. + + *family* is an ``int``, the address family. + + *text* is a ``str``, the textual address. + + Raises ``NotImplementedError`` if the address family specified is not + implemented. + + Returns a ``bytes``. + """ + + if family == AF_INET: + return dns.ipv4.inet_aton(text) + elif family == AF_INET6: + return dns.ipv6.inet_aton(text, True) + else: + raise NotImplementedError + + +def inet_ntop(family: int, address: bytes) -> str: + """Convert the binary form of a network address into its textual form. + + *family* is an ``int``, the address family. + + *address* is a ``bytes``, the network address in binary form. + + Raises ``NotImplementedError`` if the address family specified is not + implemented. + + Returns a ``str``. + """ + + if family == AF_INET: + return dns.ipv4.inet_ntoa(address) + elif family == AF_INET6: + return dns.ipv6.inet_ntoa(address) + else: + raise NotImplementedError + + +def af_for_address(text: str) -> int: + """Determine the address family of a textual-form network address. + + *text*, a ``str``, the textual address. + + Raises ``ValueError`` if the address family cannot be determined + from the input. + + Returns an ``int``. + """ + + try: + dns.ipv4.inet_aton(text) + return AF_INET + except Exception: + try: + dns.ipv6.inet_aton(text, True) + return AF_INET6 + except Exception: + raise ValueError + + +def is_multicast(text: str) -> bool: + """Is the textual-form network address a multicast address? + + *text*, a ``str``, the textual address. + + Raises ``ValueError`` if the address family cannot be determined + from the input. + + Returns a ``bool``. + """ + + try: + first = dns.ipv4.inet_aton(text)[0] + return first >= 224 and first <= 239 + except Exception: + try: + first = dns.ipv6.inet_aton(text, True)[0] + return first == 255 + except Exception: + raise ValueError + + +def is_address(text: str) -> bool: + """Is the specified string an IPv4 or IPv6 address? + + *text*, a ``str``, the textual address. + + Returns a ``bool``. + """ + + try: + dns.ipv4.inet_aton(text) + return True + except Exception: + try: + dns.ipv6.inet_aton(text, True) + return True + except Exception: + return False + + +def low_level_address_tuple( + high_tuple: Tuple[str, int], af: Optional[int] = None +) -> Any: + """Given a "high-level" address tuple, i.e. + an (address, port) return the appropriate "low-level" address tuple + suitable for use in socket calls. + + If an *af* other than ``None`` is provided, it is assumed the + address in the high-level tuple is valid and has that af. If af + is ``None``, then af_for_address will be called. + """ + address, port = high_tuple + if af is None: + af = af_for_address(address) + if af == AF_INET: + return (address, port) + elif af == AF_INET6: + i = address.find("%") + if i < 0: + # no scope, shortcut! + return (address, port, 0, 0) + # try to avoid getaddrinfo() + addrpart = address[:i] + scope = address[i + 1 :] + if scope.isdigit(): + return (addrpart, port, 0, int(scope)) + try: + return (addrpart, port, 0, socket.if_nametoindex(scope)) + except AttributeError: # pragma: no cover (we can't really test this) + ai_flags = socket.AI_NUMERICHOST + ((*_, tup), *_) = socket.getaddrinfo(address, port, flags=ai_flags) + return tup + else: + raise NotImplementedError(f"unknown address family {af}") + + +def any_for_af(af): + """Return the 'any' address for the specified address family.""" + if af == socket.AF_INET: + return "0.0.0.0" + elif af == socket.AF_INET6: + return "::" + raise NotImplementedError(f"unknown address family {af}") + + +def canonicalize(text: str) -> str: + """Verify that *address* is a valid text form IPv4 or IPv6 address and return its + canonical text form. IPv6 addresses with scopes are rejected. + + *text*, a ``str``, the address in textual form. + + Raises ``ValueError`` if the text is not valid. + """ + try: + return dns.ipv6.canonicalize(text) + except Exception: + try: + return dns.ipv4.canonicalize(text) + except Exception: + raise ValueError diff --git a/venv/lib/python3.12/site-packages/dns/ipv4.py b/venv/lib/python3.12/site-packages/dns/ipv4.py new file mode 100644 index 0000000..65ee69c --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/ipv4.py @@ -0,0 +1,77 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""IPv4 helper functions.""" + +import struct +from typing import Union + +import dns.exception + + +def inet_ntoa(address: bytes) -> str: + """Convert an IPv4 address in binary form to text form. + + *address*, a ``bytes``, the IPv4 address in binary form. + + Returns a ``str``. + """ + + if len(address) != 4: + raise dns.exception.SyntaxError + return "%u.%u.%u.%u" % (address[0], address[1], address[2], address[3]) + + +def inet_aton(text: Union[str, bytes]) -> bytes: + """Convert an IPv4 address in text form to binary form. + + *text*, a ``str`` or ``bytes``, the IPv4 address in textual form. + + Returns a ``bytes``. + """ + + if not isinstance(text, bytes): + btext = text.encode() + else: + btext = text + parts = btext.split(b".") + if len(parts) != 4: + raise dns.exception.SyntaxError + for part in parts: + if not part.isdigit(): + raise dns.exception.SyntaxError + if len(part) > 1 and part[0] == ord("0"): + # No leading zeros + raise dns.exception.SyntaxError + try: + b = [int(part) for part in parts] + return struct.pack("BBBB", *b) + except Exception: + raise dns.exception.SyntaxError + + +def canonicalize(text: Union[str, bytes]) -> str: + """Verify that *address* is a valid text form IPv4 address and return its + canonical text form. + + *text*, a ``str`` or ``bytes``, the IPv4 address in textual form. + + Raises ``dns.exception.SyntaxError`` if the text is not valid. + """ + # Note that inet_aton() only accepts canonial form, but we still run through + # inet_ntoa() to ensure the output is a str. + return dns.ipv4.inet_ntoa(dns.ipv4.inet_aton(text)) diff --git a/venv/lib/python3.12/site-packages/dns/ipv6.py b/venv/lib/python3.12/site-packages/dns/ipv6.py new file mode 100644 index 0000000..44a1063 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/ipv6.py @@ -0,0 +1,219 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""IPv6 helper functions.""" + +import binascii +import re +from typing import List, Union + +import dns.exception +import dns.ipv4 + +_leading_zero = re.compile(r"0+([0-9a-f]+)") + + +def inet_ntoa(address: bytes) -> str: + """Convert an IPv6 address in binary form to text form. + + *address*, a ``bytes``, the IPv6 address in binary form. + + Raises ``ValueError`` if the address isn't 16 bytes long. + Returns a ``str``. + """ + + if len(address) != 16: + raise ValueError("IPv6 addresses are 16 bytes long") + hex = binascii.hexlify(address) + chunks = [] + i = 0 + l = len(hex) + while i < l: + chunk = hex[i : i + 4].decode() + # strip leading zeros. we do this with an re instead of + # with lstrip() because lstrip() didn't support chars until + # python 2.2.2 + m = _leading_zero.match(chunk) + if m is not None: + chunk = m.group(1) + chunks.append(chunk) + i += 4 + # + # Compress the longest subsequence of 0-value chunks to :: + # + best_start = 0 + best_len = 0 + start = -1 + last_was_zero = False + for i in range(8): + if chunks[i] != "0": + if last_was_zero: + end = i + current_len = end - start + if current_len > best_len: + best_start = start + best_len = current_len + last_was_zero = False + elif not last_was_zero: + start = i + last_was_zero = True + if last_was_zero: + end = 8 + current_len = end - start + if current_len > best_len: + best_start = start + best_len = current_len + if best_len > 1: + if best_start == 0 and (best_len == 6 or best_len == 5 and chunks[5] == "ffff"): + # We have an embedded IPv4 address + if best_len == 6: + prefix = "::" + else: + prefix = "::ffff:" + thex = prefix + dns.ipv4.inet_ntoa(address[12:]) + else: + thex = ( + ":".join(chunks[:best_start]) + + "::" + + ":".join(chunks[best_start + best_len :]) + ) + else: + thex = ":".join(chunks) + return thex + + +_v4_ending = re.compile(rb"(.*):(\d+\.\d+\.\d+\.\d+)$") +_colon_colon_start = re.compile(rb"::.*") +_colon_colon_end = re.compile(rb".*::$") + + +def inet_aton(text: Union[str, bytes], ignore_scope: bool = False) -> bytes: + """Convert an IPv6 address in text form to binary form. + + *text*, a ``str`` or ``bytes``, the IPv6 address in textual form. + + *ignore_scope*, a ``bool``. If ``True``, a scope will be ignored. + If ``False``, the default, it is an error for a scope to be present. + + Returns a ``bytes``. + """ + + # + # Our aim here is not something fast; we just want something that works. + # + if not isinstance(text, bytes): + btext = text.encode() + else: + btext = text + + if ignore_scope: + parts = btext.split(b"%") + l = len(parts) + if l == 2: + btext = parts[0] + elif l > 2: + raise dns.exception.SyntaxError + + if btext == b"": + raise dns.exception.SyntaxError + elif btext.endswith(b":") and not btext.endswith(b"::"): + raise dns.exception.SyntaxError + elif btext.startswith(b":") and not btext.startswith(b"::"): + raise dns.exception.SyntaxError + elif btext == b"::": + btext = b"0::" + # + # Get rid of the icky dot-quad syntax if we have it. + # + m = _v4_ending.match(btext) + if m is not None: + b = dns.ipv4.inet_aton(m.group(2)) + btext = ( + "{}:{:02x}{:02x}:{:02x}{:02x}".format( + m.group(1).decode(), b[0], b[1], b[2], b[3] + ) + ).encode() + # + # Try to turn '::' into ':'; if no match try to + # turn '::' into ':' + # + m = _colon_colon_start.match(btext) + if m is not None: + btext = btext[1:] + else: + m = _colon_colon_end.match(btext) + if m is not None: + btext = btext[:-1] + # + # Now canonicalize into 8 chunks of 4 hex digits each + # + chunks = btext.split(b":") + l = len(chunks) + if l > 8: + raise dns.exception.SyntaxError + seen_empty = False + canonical: List[bytes] = [] + for c in chunks: + if c == b"": + if seen_empty: + raise dns.exception.SyntaxError + seen_empty = True + for _ in range(0, 8 - l + 1): + canonical.append(b"0000") + else: + lc = len(c) + if lc > 4: + raise dns.exception.SyntaxError + if lc != 4: + c = (b"0" * (4 - lc)) + c + canonical.append(c) + if l < 8 and not seen_empty: + raise dns.exception.SyntaxError + btext = b"".join(canonical) + + # + # Finally we can go to binary. + # + try: + return binascii.unhexlify(btext) + except (binascii.Error, TypeError): + raise dns.exception.SyntaxError + + +_mapped_prefix = b"\x00" * 10 + b"\xff\xff" + + +def is_mapped(address: bytes) -> bool: + """Is the specified address a mapped IPv4 address? + + *address*, a ``bytes`` is an IPv6 address in binary form. + + Returns a ``bool``. + """ + + return address.startswith(_mapped_prefix) + + +def canonicalize(text: Union[str, bytes]) -> str: + """Verify that *address* is a valid text form IPv6 address and return its + canonical text form. Addresses with scopes are rejected. + + *text*, a ``str`` or ``bytes``, the IPv6 address in textual form. + + Raises ``dns.exception.SyntaxError`` if the text is not valid. + """ + return dns.ipv6.inet_ntoa(dns.ipv6.inet_aton(text)) diff --git a/venv/lib/python3.12/site-packages/dns/message.py b/venv/lib/python3.12/site-packages/dns/message.py new file mode 100644 index 0000000..44cacbd --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/message.py @@ -0,0 +1,1888 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Messages""" + +import contextlib +import io +import time +from typing import Any, Dict, List, Optional, Tuple, Union + +import dns.edns +import dns.entropy +import dns.enum +import dns.exception +import dns.flags +import dns.name +import dns.opcode +import dns.rcode +import dns.rdata +import dns.rdataclass +import dns.rdatatype +import dns.rdtypes.ANY.OPT +import dns.rdtypes.ANY.TSIG +import dns.renderer +import dns.rrset +import dns.tsig +import dns.ttl +import dns.wire + + +class ShortHeader(dns.exception.FormError): + """The DNS packet passed to from_wire() is too short.""" + + +class TrailingJunk(dns.exception.FormError): + """The DNS packet passed to from_wire() has extra junk at the end of it.""" + + +class UnknownHeaderField(dns.exception.DNSException): + """The header field name was not recognized when converting from text + into a message.""" + + +class BadEDNS(dns.exception.FormError): + """An OPT record occurred somewhere other than + the additional data section.""" + + +class BadTSIG(dns.exception.FormError): + """A TSIG record occurred somewhere other than the end of + the additional data section.""" + + +class UnknownTSIGKey(dns.exception.DNSException): + """A TSIG with an unknown key was received.""" + + +class Truncated(dns.exception.DNSException): + """The truncated flag is set.""" + + supp_kwargs = {"message"} + + # We do this as otherwise mypy complains about unexpected keyword argument + # idna_exception + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + def message(self): + """As much of the message as could be processed. + + Returns a ``dns.message.Message``. + """ + return self.kwargs["message"] + + +class NotQueryResponse(dns.exception.DNSException): + """Message is not a response to a query.""" + + +class ChainTooLong(dns.exception.DNSException): + """The CNAME chain is too long.""" + + +class AnswerForNXDOMAIN(dns.exception.DNSException): + """The rcode is NXDOMAIN but an answer was found.""" + + +class NoPreviousName(dns.exception.SyntaxError): + """No previous name was known.""" + + +class MessageSection(dns.enum.IntEnum): + """Message sections""" + + QUESTION = 0 + ANSWER = 1 + AUTHORITY = 2 + ADDITIONAL = 3 + + @classmethod + def _maximum(cls): + return 3 + + +class MessageError: + def __init__(self, exception: Exception, offset: int): + self.exception = exception + self.offset = offset + + +DEFAULT_EDNS_PAYLOAD = 1232 +MAX_CHAIN = 16 + +IndexKeyType = Tuple[ + int, + dns.name.Name, + dns.rdataclass.RdataClass, + dns.rdatatype.RdataType, + Optional[dns.rdatatype.RdataType], + Optional[dns.rdataclass.RdataClass], +] +IndexType = Dict[IndexKeyType, dns.rrset.RRset] +SectionType = Union[int, str, List[dns.rrset.RRset]] + + +class Message: + """A DNS message.""" + + _section_enum = MessageSection + + def __init__(self, id: Optional[int] = None): + if id is None: + self.id = dns.entropy.random_16() + else: + self.id = id + self.flags = 0 + self.sections: List[List[dns.rrset.RRset]] = [[], [], [], []] + self.opt: Optional[dns.rrset.RRset] = None + self.request_payload = 0 + self.pad = 0 + self.keyring: Any = None + self.tsig: Optional[dns.rrset.RRset] = None + self.request_mac = b"" + self.xfr = False + self.origin: Optional[dns.name.Name] = None + self.tsig_ctx: Optional[Any] = None + self.index: IndexType = {} + self.errors: List[MessageError] = [] + self.time = 0.0 + + @property + def question(self) -> List[dns.rrset.RRset]: + """The question section.""" + return self.sections[0] + + @question.setter + def question(self, v): + self.sections[0] = v + + @property + def answer(self) -> List[dns.rrset.RRset]: + """The answer section.""" + return self.sections[1] + + @answer.setter + def answer(self, v): + self.sections[1] = v + + @property + def authority(self) -> List[dns.rrset.RRset]: + """The authority section.""" + return self.sections[2] + + @authority.setter + def authority(self, v): + self.sections[2] = v + + @property + def additional(self) -> List[dns.rrset.RRset]: + """The additional data section.""" + return self.sections[3] + + @additional.setter + def additional(self, v): + self.sections[3] = v + + def __repr__(self): + return "" + + def __str__(self): + return self.to_text() + + def to_text( + self, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + **kw: Dict[str, Any], + ) -> str: + """Convert the message to text. + + The *origin*, *relativize*, and any other keyword + arguments are passed to the RRset ``to_wire()`` method. + + Returns a ``str``. + """ + + s = io.StringIO() + s.write("id %d\n" % self.id) + s.write("opcode %s\n" % dns.opcode.to_text(self.opcode())) + s.write("rcode %s\n" % dns.rcode.to_text(self.rcode())) + s.write("flags %s\n" % dns.flags.to_text(self.flags)) + if self.edns >= 0: + s.write("edns %s\n" % self.edns) + if self.ednsflags != 0: + s.write("eflags %s\n" % dns.flags.edns_to_text(self.ednsflags)) + s.write("payload %d\n" % self.payload) + for opt in self.options: + s.write("option %s\n" % opt.to_text()) + for name, which in self._section_enum.__members__.items(): + s.write(f";{name}\n") + for rrset in self.section_from_number(which): + s.write(rrset.to_text(origin, relativize, **kw)) + s.write("\n") + # + # We strip off the final \n so the caller can print the result without + # doing weird things to get around eccentricities in Python print + # formatting + # + return s.getvalue()[:-1] + + def __eq__(self, other): + """Two messages are equal if they have the same content in the + header, question, answer, and authority sections. + + Returns a ``bool``. + """ + + if not isinstance(other, Message): + return False + if self.id != other.id: + return False + if self.flags != other.flags: + return False + for i, section in enumerate(self.sections): + other_section = other.sections[i] + for n in section: + if n not in other_section: + return False + for n in other_section: + if n not in section: + return False + return True + + def __ne__(self, other): + return not self.__eq__(other) + + def is_response(self, other: "Message") -> bool: + """Is *other*, also a ``dns.message.Message``, a response to this + message? + + Returns a ``bool``. + """ + + if ( + other.flags & dns.flags.QR == 0 + or self.id != other.id + or dns.opcode.from_flags(self.flags) != dns.opcode.from_flags(other.flags) + ): + return False + if other.rcode() in { + dns.rcode.FORMERR, + dns.rcode.SERVFAIL, + dns.rcode.NOTIMP, + dns.rcode.REFUSED, + }: + # We don't check the question section in these cases if + # the other question section is empty, even though they + # still really ought to have a question section. + if len(other.question) == 0: + return True + if dns.opcode.is_update(self.flags): + # This is assuming the "sender doesn't include anything + # from the update", but we don't care to check the other + # case, which is that all the sections are returned and + # identical. + return True + for n in self.question: + if n not in other.question: + return False + for n in other.question: + if n not in self.question: + return False + return True + + def section_number(self, section: List[dns.rrset.RRset]) -> int: + """Return the "section number" of the specified section for use + in indexing. + + *section* is one of the section attributes of this message. + + Raises ``ValueError`` if the section isn't known. + + Returns an ``int``. + """ + + for i, our_section in enumerate(self.sections): + if section is our_section: + return self._section_enum(i) + raise ValueError("unknown section") + + def section_from_number(self, number: int) -> List[dns.rrset.RRset]: + """Return the section list associated with the specified section + number. + + *number* is a section number `int` or the text form of a section + name. + + Raises ``ValueError`` if the section isn't known. + + Returns a ``list``. + """ + + section = self._section_enum.make(number) + return self.sections[section] + + def find_rrset( + self, + section: SectionType, + name: dns.name.Name, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + deleting: Optional[dns.rdataclass.RdataClass] = None, + create: bool = False, + force_unique: bool = False, + idna_codec: Optional[dns.name.IDNACodec] = None, + ) -> dns.rrset.RRset: + """Find the RRset with the given attributes in the specified section. + + *section*, an ``int`` section number, a ``str`` section name, or one of + the section attributes of this message. This specifies the + the section of the message to search. For example:: + + my_message.find_rrset(my_message.answer, name, rdclass, rdtype) + my_message.find_rrset(dns.message.ANSWER, name, rdclass, rdtype) + my_message.find_rrset("ANSWER", name, rdclass, rdtype) + + *name*, a ``dns.name.Name`` or ``str``, the name of the RRset. + + *rdclass*, an ``int`` or ``str``, the class of the RRset. + + *rdtype*, an ``int`` or ``str``, the type of the RRset. + + *covers*, an ``int`` or ``str``, the covers value of the RRset. + The default is ``dns.rdatatype.NONE``. + + *deleting*, an ``int``, ``str``, or ``None``, the deleting value of the + RRset. The default is ``None``. + + *create*, a ``bool``. If ``True``, create the RRset if it is not found. + The created RRset is appended to *section*. + + *force_unique*, a ``bool``. If ``True`` and *create* is also ``True``, + create a new RRset regardless of whether a matching RRset exists + already. The default is ``False``. This is useful when creating + DDNS Update messages, as order matters for them. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Raises ``KeyError`` if the RRset was not found and create was + ``False``. + + Returns a ``dns.rrset.RRset object``. + """ + + if isinstance(section, int): + section_number = section + section = self.section_from_number(section_number) + elif isinstance(section, str): + section_number = self._section_enum.from_text(section) + section = self.section_from_number(section_number) + else: + section_number = self.section_number(section) + if isinstance(name, str): + name = dns.name.from_text(name, idna_codec=idna_codec) + rdtype = dns.rdatatype.RdataType.make(rdtype) + rdclass = dns.rdataclass.RdataClass.make(rdclass) + covers = dns.rdatatype.RdataType.make(covers) + if deleting is not None: + deleting = dns.rdataclass.RdataClass.make(deleting) + key = (section_number, name, rdclass, rdtype, covers, deleting) + if not force_unique: + if self.index is not None: + rrset = self.index.get(key) + if rrset is not None: + return rrset + else: + for rrset in section: + if rrset.full_match(name, rdclass, rdtype, covers, deleting): + return rrset + if not create: + raise KeyError + rrset = dns.rrset.RRset(name, rdclass, rdtype, covers, deleting) + section.append(rrset) + if self.index is not None: + self.index[key] = rrset + return rrset + + def get_rrset( + self, + section: SectionType, + name: dns.name.Name, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + deleting: Optional[dns.rdataclass.RdataClass] = None, + create: bool = False, + force_unique: bool = False, + idna_codec: Optional[dns.name.IDNACodec] = None, + ) -> Optional[dns.rrset.RRset]: + """Get the RRset with the given attributes in the specified section. + + If the RRset is not found, None is returned. + + *section*, an ``int`` section number, a ``str`` section name, or one of + the section attributes of this message. This specifies the + the section of the message to search. For example:: + + my_message.get_rrset(my_message.answer, name, rdclass, rdtype) + my_message.get_rrset(dns.message.ANSWER, name, rdclass, rdtype) + my_message.get_rrset("ANSWER", name, rdclass, rdtype) + + *name*, a ``dns.name.Name`` or ``str``, the name of the RRset. + + *rdclass*, an ``int`` or ``str``, the class of the RRset. + + *rdtype*, an ``int`` or ``str``, the type of the RRset. + + *covers*, an ``int`` or ``str``, the covers value of the RRset. + The default is ``dns.rdatatype.NONE``. + + *deleting*, an ``int``, ``str``, or ``None``, the deleting value of the + RRset. The default is ``None``. + + *create*, a ``bool``. If ``True``, create the RRset if it is not found. + The created RRset is appended to *section*. + + *force_unique*, a ``bool``. If ``True`` and *create* is also ``True``, + create a new RRset regardless of whether a matching RRset exists + already. The default is ``False``. This is useful when creating + DDNS Update messages, as order matters for them. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Returns a ``dns.rrset.RRset object`` or ``None``. + """ + + try: + rrset = self.find_rrset( + section, + name, + rdclass, + rdtype, + covers, + deleting, + create, + force_unique, + idna_codec, + ) + except KeyError: + rrset = None + return rrset + + def section_count(self, section: SectionType) -> int: + """Returns the number of records in the specified section. + + *section*, an ``int`` section number, a ``str`` section name, or one of + the section attributes of this message. This specifies the + the section of the message to count. For example:: + + my_message.section_count(my_message.answer) + my_message.section_count(dns.message.ANSWER) + my_message.section_count("ANSWER") + """ + + if isinstance(section, int): + section_number = section + section = self.section_from_number(section_number) + elif isinstance(section, str): + section_number = self._section_enum.from_text(section) + section = self.section_from_number(section_number) + else: + section_number = self.section_number(section) + count = sum(max(1, len(rrs)) for rrs in section) + if section_number == MessageSection.ADDITIONAL: + if self.opt is not None: + count += 1 + if self.tsig is not None: + count += 1 + return count + + def _compute_opt_reserve(self) -> int: + """Compute the size required for the OPT RR, padding excluded""" + if not self.opt: + return 0 + # 1 byte for the root name, 10 for the standard RR fields + size = 11 + # This would be more efficient if options had a size() method, but we won't + # worry about that for now. We also don't worry if there is an existing padding + # option, as it is unlikely and probably harmless, as the worst case is that we + # may add another, and this seems to be legal. + for option in self.opt[0].options: + wire = option.to_wire() + # We add 4 here to account for the option type and length + size += len(wire) + 4 + if self.pad: + # Padding will be added, so again add the option type and length. + size += 4 + return size + + def _compute_tsig_reserve(self) -> int: + """Compute the size required for the TSIG RR""" + # This would be more efficient if TSIGs had a size method, but we won't + # worry about for now. Also, we can't really cope with the potential + # compressibility of the TSIG owner name, so we estimate with the uncompressed + # size. We will disable compression when TSIG and padding are both is active + # so that the padding comes out right. + if not self.tsig: + return 0 + f = io.BytesIO() + self.tsig.to_wire(f) + return len(f.getvalue()) + + def to_wire( + self, + origin: Optional[dns.name.Name] = None, + max_size: int = 0, + multi: bool = False, + tsig_ctx: Optional[Any] = None, + prepend_length: bool = False, + prefer_truncation: bool = False, + **kw: Dict[str, Any], + ) -> bytes: + """Return a string containing the message in DNS compressed wire + format. + + Additional keyword arguments are passed to the RRset ``to_wire()`` + method. + + *origin*, a ``dns.name.Name`` or ``None``, the origin to be appended + to any relative names. If ``None``, and the message has an origin + attribute that is not ``None``, then it will be used. + + *max_size*, an ``int``, the maximum size of the wire format + output; default is 0, which means "the message's request + payload, if nonzero, or 65535". + + *multi*, a ``bool``, should be set to ``True`` if this message is + part of a multiple message sequence. + + *tsig_ctx*, a ``dns.tsig.HMACTSig`` or ``dns.tsig.GSSTSig`` object, the + ongoing TSIG context, used when signing zone transfers. + + *prepend_length*, a ``bool``, should be set to ``True`` if the caller + wants the message length prepended to the message itself. This is + useful for messages sent over TCP, TLS (DoT), or QUIC (DoQ). + + *prefer_truncation*, a ``bool``, should be set to ``True`` if the caller + wants the message to be truncated if it would otherwise exceed the + maximum length. If the truncation occurs before the additional section, + the TC bit will be set. + + Raises ``dns.exception.TooBig`` if *max_size* was exceeded. + + Returns a ``bytes``. + """ + + if origin is None and self.origin is not None: + origin = self.origin + if max_size == 0: + if self.request_payload != 0: + max_size = self.request_payload + else: + max_size = 65535 + if max_size < 512: + max_size = 512 + elif max_size > 65535: + max_size = 65535 + r = dns.renderer.Renderer(self.id, self.flags, max_size, origin) + opt_reserve = self._compute_opt_reserve() + r.reserve(opt_reserve) + tsig_reserve = self._compute_tsig_reserve() + r.reserve(tsig_reserve) + try: + for rrset in self.question: + r.add_question(rrset.name, rrset.rdtype, rrset.rdclass) + for rrset in self.answer: + r.add_rrset(dns.renderer.ANSWER, rrset, **kw) + for rrset in self.authority: + r.add_rrset(dns.renderer.AUTHORITY, rrset, **kw) + for rrset in self.additional: + r.add_rrset(dns.renderer.ADDITIONAL, rrset, **kw) + except dns.exception.TooBig: + if prefer_truncation: + if r.section < dns.renderer.ADDITIONAL: + r.flags |= dns.flags.TC + else: + raise + r.release_reserved() + if self.opt is not None: + r.add_opt(self.opt, self.pad, opt_reserve, tsig_reserve) + r.write_header() + if self.tsig is not None: + (new_tsig, ctx) = dns.tsig.sign( + r.get_wire(), + self.keyring, + self.tsig[0], + int(time.time()), + self.request_mac, + tsig_ctx, + multi, + ) + self.tsig.clear() + self.tsig.add(new_tsig) + r.add_rrset(dns.renderer.ADDITIONAL, self.tsig) + r.write_header() + if multi: + self.tsig_ctx = ctx + wire = r.get_wire() + if prepend_length: + wire = len(wire).to_bytes(2, "big") + wire + return wire + + @staticmethod + def _make_tsig( + keyname, algorithm, time_signed, fudge, mac, original_id, error, other + ): + tsig = dns.rdtypes.ANY.TSIG.TSIG( + dns.rdataclass.ANY, + dns.rdatatype.TSIG, + algorithm, + time_signed, + fudge, + mac, + original_id, + error, + other, + ) + return dns.rrset.from_rdata(keyname, 0, tsig) + + def use_tsig( + self, + keyring: Any, + keyname: Optional[Union[dns.name.Name, str]] = None, + fudge: int = 300, + original_id: Optional[int] = None, + tsig_error: int = 0, + other_data: bytes = b"", + algorithm: Union[dns.name.Name, str] = dns.tsig.default_algorithm, + ) -> None: + """When sending, a TSIG signature using the specified key + should be added. + + *key*, a ``dns.tsig.Key`` is the key to use. If a key is specified, + the *keyring* and *algorithm* fields are not used. + + *keyring*, a ``dict``, ``callable`` or ``dns.tsig.Key``, is either + the TSIG keyring or key to use. + + The format of a keyring dict is a mapping from TSIG key name, as + ``dns.name.Name`` to ``dns.tsig.Key`` or a TSIG secret, a ``bytes``. + If a ``dict`` *keyring* is specified but a *keyname* is not, the key + used will be the first key in the *keyring*. Note that the order of + keys in a dictionary is not defined, so applications should supply a + keyname when a ``dict`` keyring is used, unless they know the keyring + contains only one key. If a ``callable`` keyring is specified, the + callable will be called with the message and the keyname, and is + expected to return a key. + + *keyname*, a ``dns.name.Name``, ``str`` or ``None``, the name of + this TSIG key to use; defaults to ``None``. If *keyring* is a + ``dict``, the key must be defined in it. If *keyring* is a + ``dns.tsig.Key``, this is ignored. + + *fudge*, an ``int``, the TSIG time fudge. + + *original_id*, an ``int``, the TSIG original id. If ``None``, + the message's id is used. + + *tsig_error*, an ``int``, the TSIG error code. + + *other_data*, a ``bytes``, the TSIG other data. + + *algorithm*, a ``dns.name.Name`` or ``str``, the TSIG algorithm to use. This is + only used if *keyring* is a ``dict``, and the key entry is a ``bytes``. + """ + + if isinstance(keyring, dns.tsig.Key): + key = keyring + keyname = key.name + elif callable(keyring): + key = keyring(self, keyname) + else: + if isinstance(keyname, str): + keyname = dns.name.from_text(keyname) + if keyname is None: + keyname = next(iter(keyring)) + key = keyring[keyname] + if isinstance(key, bytes): + key = dns.tsig.Key(keyname, key, algorithm) + self.keyring = key + if original_id is None: + original_id = self.id + self.tsig = self._make_tsig( + keyname, + self.keyring.algorithm, + 0, + fudge, + b"\x00" * dns.tsig.mac_sizes[self.keyring.algorithm], + original_id, + tsig_error, + other_data, + ) + + @property + def keyname(self) -> Optional[dns.name.Name]: + if self.tsig: + return self.tsig.name + else: + return None + + @property + def keyalgorithm(self) -> Optional[dns.name.Name]: + if self.tsig: + return self.tsig[0].algorithm + else: + return None + + @property + def mac(self) -> Optional[bytes]: + if self.tsig: + return self.tsig[0].mac + else: + return None + + @property + def tsig_error(self) -> Optional[int]: + if self.tsig: + return self.tsig[0].error + else: + return None + + @property + def had_tsig(self) -> bool: + return bool(self.tsig) + + @staticmethod + def _make_opt(flags=0, payload=DEFAULT_EDNS_PAYLOAD, options=None): + opt = dns.rdtypes.ANY.OPT.OPT(payload, dns.rdatatype.OPT, options or ()) + return dns.rrset.from_rdata(dns.name.root, int(flags), opt) + + def use_edns( + self, + edns: Optional[Union[int, bool]] = 0, + ednsflags: int = 0, + payload: int = DEFAULT_EDNS_PAYLOAD, + request_payload: Optional[int] = None, + options: Optional[List[dns.edns.Option]] = None, + pad: int = 0, + ) -> None: + """Configure EDNS behavior. + + *edns*, an ``int``, is the EDNS level to use. Specifying ``None``, ``False``, + or ``-1`` means "do not use EDNS", and in this case the other parameters are + ignored. Specifying ``True`` is equivalent to specifying 0, i.e. "use EDNS0". + + *ednsflags*, an ``int``, the EDNS flag values. + + *payload*, an ``int``, is the EDNS sender's payload field, which is the maximum + size of UDP datagram the sender can handle. I.e. how big a response to this + message can be. + + *request_payload*, an ``int``, is the EDNS payload size to use when sending this + message. If not specified, defaults to the value of *payload*. + + *options*, a list of ``dns.edns.Option`` objects or ``None``, the EDNS options. + + *pad*, a non-negative ``int``. If 0, the default, do not pad; otherwise add + padding bytes to make the message size a multiple of *pad*. Note that if + padding is non-zero, an EDNS PADDING option will always be added to the + message. + """ + + if edns is None or edns is False: + edns = -1 + elif edns is True: + edns = 0 + if edns < 0: + self.opt = None + self.request_payload = 0 + else: + # make sure the EDNS version in ednsflags agrees with edns + ednsflags &= 0xFF00FFFF + ednsflags |= edns << 16 + if options is None: + options = [] + self.opt = self._make_opt(ednsflags, payload, options) + if request_payload is None: + request_payload = payload + self.request_payload = request_payload + if pad < 0: + raise ValueError("pad must be non-negative") + self.pad = pad + + @property + def edns(self) -> int: + if self.opt: + return (self.ednsflags & 0xFF0000) >> 16 + else: + return -1 + + @property + def ednsflags(self) -> int: + if self.opt: + return self.opt.ttl + else: + return 0 + + @ednsflags.setter + def ednsflags(self, v): + if self.opt: + self.opt.ttl = v + elif v: + self.opt = self._make_opt(v) + + @property + def payload(self) -> int: + if self.opt: + return self.opt[0].payload + else: + return 0 + + @property + def options(self) -> Tuple: + if self.opt: + return self.opt[0].options + else: + return () + + def want_dnssec(self, wanted: bool = True) -> None: + """Enable or disable 'DNSSEC desired' flag in requests. + + *wanted*, a ``bool``. If ``True``, then DNSSEC data is + desired in the response, EDNS is enabled if required, and then + the DO bit is set. If ``False``, the DO bit is cleared if + EDNS is enabled. + """ + + if wanted: + self.ednsflags |= dns.flags.DO + elif self.opt: + self.ednsflags &= ~int(dns.flags.DO) + + def rcode(self) -> dns.rcode.Rcode: + """Return the rcode. + + Returns a ``dns.rcode.Rcode``. + """ + return dns.rcode.from_flags(int(self.flags), int(self.ednsflags)) + + def set_rcode(self, rcode: dns.rcode.Rcode) -> None: + """Set the rcode. + + *rcode*, a ``dns.rcode.Rcode``, is the rcode to set. + """ + (value, evalue) = dns.rcode.to_flags(rcode) + self.flags &= 0xFFF0 + self.flags |= value + self.ednsflags &= 0x00FFFFFF + self.ednsflags |= evalue + + def opcode(self) -> dns.opcode.Opcode: + """Return the opcode. + + Returns a ``dns.opcode.Opcode``. + """ + return dns.opcode.from_flags(int(self.flags)) + + def set_opcode(self, opcode: dns.opcode.Opcode) -> None: + """Set the opcode. + + *opcode*, a ``dns.opcode.Opcode``, is the opcode to set. + """ + self.flags &= 0x87FF + self.flags |= dns.opcode.to_flags(opcode) + + def _get_one_rr_per_rrset(self, value): + # What the caller picked is fine. + return value + + # pylint: disable=unused-argument + + def _parse_rr_header(self, section, name, rdclass, rdtype): + return (rdclass, rdtype, None, False) + + # pylint: enable=unused-argument + + def _parse_special_rr_header(self, section, count, position, name, rdclass, rdtype): + if rdtype == dns.rdatatype.OPT: + if ( + section != MessageSection.ADDITIONAL + or self.opt + or name != dns.name.root + ): + raise BadEDNS + elif rdtype == dns.rdatatype.TSIG: + if ( + section != MessageSection.ADDITIONAL + or rdclass != dns.rdatatype.ANY + or position != count - 1 + ): + raise BadTSIG + return (rdclass, rdtype, None, False) + + +class ChainingResult: + """The result of a call to dns.message.QueryMessage.resolve_chaining(). + + The ``answer`` attribute is the answer RRSet, or ``None`` if it doesn't + exist. + + The ``canonical_name`` attribute is the canonical name after all + chaining has been applied (this is the same name as ``rrset.name`` in cases + where rrset is not ``None``). + + The ``minimum_ttl`` attribute is the minimum TTL, i.e. the TTL to + use if caching the data. It is the smallest of all the CNAME TTLs + and either the answer TTL if it exists or the SOA TTL and SOA + minimum values for negative answers. + + The ``cnames`` attribute is a list of all the CNAME RRSets followed to + get to the canonical name. + """ + + def __init__( + self, + canonical_name: dns.name.Name, + answer: Optional[dns.rrset.RRset], + minimum_ttl: int, + cnames: List[dns.rrset.RRset], + ): + self.canonical_name = canonical_name + self.answer = answer + self.minimum_ttl = minimum_ttl + self.cnames = cnames + + +class QueryMessage(Message): + def resolve_chaining(self) -> ChainingResult: + """Follow the CNAME chain in the response to determine the answer + RRset. + + Raises ``dns.message.NotQueryResponse`` if the message is not + a response. + + Raises ``dns.message.ChainTooLong`` if the CNAME chain is too long. + + Raises ``dns.message.AnswerForNXDOMAIN`` if the rcode is NXDOMAIN + but an answer was found. + + Raises ``dns.exception.FormError`` if the question count is not 1. + + Returns a ChainingResult object. + """ + if self.flags & dns.flags.QR == 0: + raise NotQueryResponse + if len(self.question) != 1: + raise dns.exception.FormError + question = self.question[0] + qname = question.name + min_ttl = dns.ttl.MAX_TTL + answer = None + count = 0 + cnames = [] + while count < MAX_CHAIN: + try: + answer = self.find_rrset( + self.answer, qname, question.rdclass, question.rdtype + ) + min_ttl = min(min_ttl, answer.ttl) + break + except KeyError: + if question.rdtype != dns.rdatatype.CNAME: + try: + crrset = self.find_rrset( + self.answer, qname, question.rdclass, dns.rdatatype.CNAME + ) + cnames.append(crrset) + min_ttl = min(min_ttl, crrset.ttl) + for rd in crrset: + qname = rd.target + break + count += 1 + continue + except KeyError: + # Exit the chaining loop + break + else: + # Exit the chaining loop + break + if count >= MAX_CHAIN: + raise ChainTooLong + if self.rcode() == dns.rcode.NXDOMAIN and answer is not None: + raise AnswerForNXDOMAIN + if answer is None: + # Further minimize the TTL with NCACHE. + auname = qname + while True: + # Look for an SOA RR whose owner name is a superdomain + # of qname. + try: + srrset = self.find_rrset( + self.authority, auname, question.rdclass, dns.rdatatype.SOA + ) + min_ttl = min(min_ttl, srrset.ttl, srrset[0].minimum) + break + except KeyError: + try: + auname = auname.parent() + except dns.name.NoParent: + break + return ChainingResult(qname, answer, min_ttl, cnames) + + def canonical_name(self) -> dns.name.Name: + """Return the canonical name of the first name in the question + section. + + Raises ``dns.message.NotQueryResponse`` if the message is not + a response. + + Raises ``dns.message.ChainTooLong`` if the CNAME chain is too long. + + Raises ``dns.message.AnswerForNXDOMAIN`` if the rcode is NXDOMAIN + but an answer was found. + + Raises ``dns.exception.FormError`` if the question count is not 1. + """ + return self.resolve_chaining().canonical_name + + +def _maybe_import_update(): + # We avoid circular imports by doing this here. We do it in another + # function as doing it in _message_factory_from_opcode() makes "dns" + # a local symbol, and the first line fails :) + + # pylint: disable=redefined-outer-name,import-outside-toplevel,unused-import + import dns.update # noqa: F401 + + +def _message_factory_from_opcode(opcode): + if opcode == dns.opcode.QUERY: + return QueryMessage + elif opcode == dns.opcode.UPDATE: + _maybe_import_update() + return dns.update.UpdateMessage + else: + return Message + + +class _WireReader: + """Wire format reader. + + parser: the binary parser + message: The message object being built + initialize_message: Callback to set message parsing options + question_only: Are we only reading the question? + one_rr_per_rrset: Put each RR into its own RRset? + keyring: TSIG keyring + ignore_trailing: Ignore trailing junk at end of request? + multi: Is this message part of a multi-message sequence? + DNS dynamic updates. + continue_on_error: try to extract as much information as possible from + the message, accumulating MessageErrors in the *errors* attribute instead of + raising them. + """ + + def __init__( + self, + wire, + initialize_message, + question_only=False, + one_rr_per_rrset=False, + ignore_trailing=False, + keyring=None, + multi=False, + continue_on_error=False, + ): + self.parser = dns.wire.Parser(wire) + self.message = None + self.initialize_message = initialize_message + self.question_only = question_only + self.one_rr_per_rrset = one_rr_per_rrset + self.ignore_trailing = ignore_trailing + self.keyring = keyring + self.multi = multi + self.continue_on_error = continue_on_error + self.errors = [] + + def _get_question(self, section_number, qcount): + """Read the next *qcount* records from the wire data and add them to + the question section. + """ + assert self.message is not None + section = self.message.sections[section_number] + for _ in range(qcount): + qname = self.parser.get_name(self.message.origin) + (rdtype, rdclass) = self.parser.get_struct("!HH") + (rdclass, rdtype, _, _) = self.message._parse_rr_header( + section_number, qname, rdclass, rdtype + ) + self.message.find_rrset( + section, qname, rdclass, rdtype, create=True, force_unique=True + ) + + def _add_error(self, e): + self.errors.append(MessageError(e, self.parser.current)) + + def _get_section(self, section_number, count): + """Read the next I{count} records from the wire data and add them to + the specified section. + + section_number: the section of the message to which to add records + count: the number of records to read + """ + assert self.message is not None + section = self.message.sections[section_number] + force_unique = self.one_rr_per_rrset + for i in range(count): + rr_start = self.parser.current + absolute_name = self.parser.get_name() + if self.message.origin is not None: + name = absolute_name.relativize(self.message.origin) + else: + name = absolute_name + (rdtype, rdclass, ttl, rdlen) = self.parser.get_struct("!HHIH") + if rdtype in (dns.rdatatype.OPT, dns.rdatatype.TSIG): + ( + rdclass, + rdtype, + deleting, + empty, + ) = self.message._parse_special_rr_header( + section_number, count, i, name, rdclass, rdtype + ) + else: + (rdclass, rdtype, deleting, empty) = self.message._parse_rr_header( + section_number, name, rdclass, rdtype + ) + rdata_start = self.parser.current + try: + if empty: + if rdlen > 0: + raise dns.exception.FormError + rd = None + covers = dns.rdatatype.NONE + else: + with self.parser.restrict_to(rdlen): + rd = dns.rdata.from_wire_parser( + rdclass, rdtype, self.parser, self.message.origin + ) + covers = rd.covers() + if self.message.xfr and rdtype == dns.rdatatype.SOA: + force_unique = True + if rdtype == dns.rdatatype.OPT: + self.message.opt = dns.rrset.from_rdata(name, ttl, rd) + elif rdtype == dns.rdatatype.TSIG: + if self.keyring is None: + raise UnknownTSIGKey("got signed message without keyring") + if isinstance(self.keyring, dict): + key = self.keyring.get(absolute_name) + if isinstance(key, bytes): + key = dns.tsig.Key(absolute_name, key, rd.algorithm) + elif callable(self.keyring): + key = self.keyring(self.message, absolute_name) + else: + key = self.keyring + if key is None: + raise UnknownTSIGKey("key '%s' unknown" % name) + self.message.keyring = key + self.message.tsig_ctx = dns.tsig.validate( + self.parser.wire, + key, + absolute_name, + rd, + int(time.time()), + self.message.request_mac, + rr_start, + self.message.tsig_ctx, + self.multi, + ) + self.message.tsig = dns.rrset.from_rdata(absolute_name, 0, rd) + else: + rrset = self.message.find_rrset( + section, + name, + rdclass, + rdtype, + covers, + deleting, + True, + force_unique, + ) + if rd is not None: + if ttl > 0x7FFFFFFF: + ttl = 0 + rrset.add(rd, ttl) + except Exception as e: + if self.continue_on_error: + self._add_error(e) + self.parser.seek(rdata_start + rdlen) + else: + raise + + def read(self): + """Read a wire format DNS message and build a dns.message.Message + object.""" + + if self.parser.remaining() < 12: + raise ShortHeader + (id, flags, qcount, ancount, aucount, adcount) = self.parser.get_struct( + "!HHHHHH" + ) + factory = _message_factory_from_opcode(dns.opcode.from_flags(flags)) + self.message = factory(id=id) + self.message.flags = dns.flags.Flag(flags) + self.initialize_message(self.message) + self.one_rr_per_rrset = self.message._get_one_rr_per_rrset( + self.one_rr_per_rrset + ) + try: + self._get_question(MessageSection.QUESTION, qcount) + if self.question_only: + return self.message + self._get_section(MessageSection.ANSWER, ancount) + self._get_section(MessageSection.AUTHORITY, aucount) + self._get_section(MessageSection.ADDITIONAL, adcount) + if not self.ignore_trailing and self.parser.remaining() != 0: + raise TrailingJunk + if self.multi and self.message.tsig_ctx and not self.message.had_tsig: + self.message.tsig_ctx.update(self.parser.wire) + except Exception as e: + if self.continue_on_error: + self._add_error(e) + else: + raise + return self.message + + +def from_wire( + wire: bytes, + keyring: Optional[Any] = None, + request_mac: Optional[bytes] = b"", + xfr: bool = False, + origin: Optional[dns.name.Name] = None, + tsig_ctx: Optional[Union[dns.tsig.HMACTSig, dns.tsig.GSSTSig]] = None, + multi: bool = False, + question_only: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + raise_on_truncation: bool = False, + continue_on_error: bool = False, +) -> Message: + """Convert a DNS wire format message into a message object. + + *keyring*, a ``dns.tsig.Key`` or ``dict``, the key or keyring to use if the message + is signed. + + *request_mac*, a ``bytes`` or ``None``. If the message is a response to a + TSIG-signed request, *request_mac* should be set to the MAC of that request. + + *xfr*, a ``bool``, should be set to ``True`` if this message is part of a zone + transfer. + + *origin*, a ``dns.name.Name`` or ``None``. If the message is part of a zone + transfer, *origin* should be the origin name of the zone. If not ``None``, names + will be relativized to the origin. + + *tsig_ctx*, a ``dns.tsig.HMACTSig`` or ``dns.tsig.GSSTSig`` object, the ongoing TSIG + context, used when validating zone transfers. + + *multi*, a ``bool``, should be set to ``True`` if this message is part of a multiple + message sequence. + + *question_only*, a ``bool``. If ``True``, read only up to the end of the question + section. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing junk at end of the + message. + + *raise_on_truncation*, a ``bool``. If ``True``, raise an exception if the TC bit is + set. + + *continue_on_error*, a ``bool``. If ``True``, try to continue parsing even if + errors occur. Erroneous rdata will be ignored. Errors will be accumulated as a + list of MessageError objects in the message's ``errors`` attribute. This option is + recommended only for DNS analysis tools, or for use in a server as part of an error + handling path. The default is ``False``. + + Raises ``dns.message.ShortHeader`` if the message is less than 12 octets long. + + Raises ``dns.message.TrailingJunk`` if there were octets in the message past the end + of the proper DNS message, and *ignore_trailing* is ``False``. + + Raises ``dns.message.BadEDNS`` if an OPT record was in the wrong section, or + occurred more than once. + + Raises ``dns.message.BadTSIG`` if a TSIG record was not the last record of the + additional data section. + + Raises ``dns.message.Truncated`` if the TC flag is set and *raise_on_truncation* is + ``True``. + + Returns a ``dns.message.Message``. + """ + + # We permit None for request_mac solely for backwards compatibility + if request_mac is None: + request_mac = b"" + + def initialize_message(message): + message.request_mac = request_mac + message.xfr = xfr + message.origin = origin + message.tsig_ctx = tsig_ctx + + reader = _WireReader( + wire, + initialize_message, + question_only, + one_rr_per_rrset, + ignore_trailing, + keyring, + multi, + continue_on_error, + ) + try: + m = reader.read() + except dns.exception.FormError: + if ( + reader.message + and (reader.message.flags & dns.flags.TC) + and raise_on_truncation + ): + raise Truncated(message=reader.message) + else: + raise + # Reading a truncated message might not have any errors, so we + # have to do this check here too. + if m.flags & dns.flags.TC and raise_on_truncation: + raise Truncated(message=m) + if continue_on_error: + m.errors = reader.errors + + return m + + +class _TextReader: + """Text format reader. + + tok: the tokenizer. + message: The message object being built. + DNS dynamic updates. + last_name: The most recently read name when building a message object. + one_rr_per_rrset: Put each RR into its own RRset? + origin: The origin for relative names + relativize: relativize names? + relativize_to: the origin to relativize to. + """ + + def __init__( + self, + text, + idna_codec, + one_rr_per_rrset=False, + origin=None, + relativize=True, + relativize_to=None, + ): + self.message = None + self.tok = dns.tokenizer.Tokenizer(text, idna_codec=idna_codec) + self.last_name = None + self.one_rr_per_rrset = one_rr_per_rrset + self.origin = origin + self.relativize = relativize + self.relativize_to = relativize_to + self.id = None + self.edns = -1 + self.ednsflags = 0 + self.payload = DEFAULT_EDNS_PAYLOAD + self.rcode = None + self.opcode = dns.opcode.QUERY + self.flags = 0 + + def _header_line(self, _): + """Process one line from the text format header section.""" + + token = self.tok.get() + what = token.value + if what == "id": + self.id = self.tok.get_int() + elif what == "flags": + while True: + token = self.tok.get() + if not token.is_identifier(): + self.tok.unget(token) + break + self.flags = self.flags | dns.flags.from_text(token.value) + elif what == "edns": + self.edns = self.tok.get_int() + self.ednsflags = self.ednsflags | (self.edns << 16) + elif what == "eflags": + if self.edns < 0: + self.edns = 0 + while True: + token = self.tok.get() + if not token.is_identifier(): + self.tok.unget(token) + break + self.ednsflags = self.ednsflags | dns.flags.edns_from_text(token.value) + elif what == "payload": + self.payload = self.tok.get_int() + if self.edns < 0: + self.edns = 0 + elif what == "opcode": + text = self.tok.get_string() + self.opcode = dns.opcode.from_text(text) + self.flags = self.flags | dns.opcode.to_flags(self.opcode) + elif what == "rcode": + text = self.tok.get_string() + self.rcode = dns.rcode.from_text(text) + else: + raise UnknownHeaderField + self.tok.get_eol() + + def _question_line(self, section_number): + """Process one line from the text format question section.""" + + section = self.message.sections[section_number] + token = self.tok.get(want_leading=True) + if not token.is_whitespace(): + self.last_name = self.tok.as_name( + token, self.message.origin, self.relativize, self.relativize_to + ) + name = self.last_name + if name is None: + raise NoPreviousName + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + # Class + try: + rdclass = dns.rdataclass.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + rdclass = dns.rdataclass.IN + # Type + rdtype = dns.rdatatype.from_text(token.value) + (rdclass, rdtype, _, _) = self.message._parse_rr_header( + section_number, name, rdclass, rdtype + ) + self.message.find_rrset( + section, name, rdclass, rdtype, create=True, force_unique=True + ) + self.tok.get_eol() + + def _rr_line(self, section_number): + """Process one line from the text format answer, authority, or + additional data sections. + """ + + section = self.message.sections[section_number] + # Name + token = self.tok.get(want_leading=True) + if not token.is_whitespace(): + self.last_name = self.tok.as_name( + token, self.message.origin, self.relativize, self.relativize_to + ) + name = self.last_name + if name is None: + raise NoPreviousName + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + # TTL + try: + ttl = int(token.value, 0) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + ttl = 0 + # Class + try: + rdclass = dns.rdataclass.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + rdclass = dns.rdataclass.IN + # Type + rdtype = dns.rdatatype.from_text(token.value) + (rdclass, rdtype, deleting, empty) = self.message._parse_rr_header( + section_number, name, rdclass, rdtype + ) + token = self.tok.get() + if empty and not token.is_eol_or_eof(): + raise dns.exception.SyntaxError + if not empty and token.is_eol_or_eof(): + raise dns.exception.UnexpectedEnd + if not token.is_eol_or_eof(): + self.tok.unget(token) + rd = dns.rdata.from_text( + rdclass, + rdtype, + self.tok, + self.message.origin, + self.relativize, + self.relativize_to, + ) + covers = rd.covers() + else: + rd = None + covers = dns.rdatatype.NONE + rrset = self.message.find_rrset( + section, + name, + rdclass, + rdtype, + covers, + deleting, + True, + self.one_rr_per_rrset, + ) + if rd is not None: + rrset.add(rd, ttl) + + def _make_message(self): + factory = _message_factory_from_opcode(self.opcode) + message = factory(id=self.id) + message.flags = self.flags + if self.edns >= 0: + message.use_edns(self.edns, self.ednsflags, self.payload) + if self.rcode: + message.set_rcode(self.rcode) + if self.origin: + message.origin = self.origin + return message + + def read(self): + """Read a text format DNS message and build a dns.message.Message + object.""" + + line_method = self._header_line + section_number = None + while 1: + token = self.tok.get(True, True) + if token.is_eol_or_eof(): + break + if token.is_comment(): + u = token.value.upper() + if u == "HEADER": + line_method = self._header_line + + if self.message: + message = self.message + else: + # If we don't have a message, create one with the current + # opcode, so that we know which section names to parse. + message = self._make_message() + try: + section_number = message._section_enum.from_text(u) + # We found a section name. If we don't have a message, + # use the one we just created. + if not self.message: + self.message = message + self.one_rr_per_rrset = message._get_one_rr_per_rrset( + self.one_rr_per_rrset + ) + if section_number == MessageSection.QUESTION: + line_method = self._question_line + else: + line_method = self._rr_line + except Exception: + # It's just a comment. + pass + self.tok.get_eol() + continue + self.tok.unget(token) + line_method(section_number) + if not self.message: + self.message = self._make_message() + return self.message + + +def from_text( + text: str, + idna_codec: Optional[dns.name.IDNACodec] = None, + one_rr_per_rrset: bool = False, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + relativize_to: Optional[dns.name.Name] = None, +) -> Message: + """Convert the text format message into a message object. + + The reader stops after reading the first blank line in the input to + facilitate reading multiple messages from a single file with + ``dns.message.from_file()``. + + *text*, a ``str``, the text format message. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + *one_rr_per_rrset*, a ``bool``. If ``True``, then each RR is put + into its own rrset. The default is ``False``. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + Raises ``dns.message.UnknownHeaderField`` if a header is unknown. + + Raises ``dns.exception.SyntaxError`` if the text is badly formed. + + Returns a ``dns.message.Message object`` + """ + + # 'text' can also be a file, but we don't publish that fact + # since it's an implementation detail. The official file + # interface is from_file(). + + reader = _TextReader( + text, idna_codec, one_rr_per_rrset, origin, relativize, relativize_to + ) + return reader.read() + + +def from_file( + f: Any, + idna_codec: Optional[dns.name.IDNACodec] = None, + one_rr_per_rrset: bool = False, +) -> Message: + """Read the next text format message from the specified file. + + Message blocks are separated by a single blank line. + + *f*, a ``file`` or ``str``. If *f* is text, it is treated as the + pathname of a file to open. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + *one_rr_per_rrset*, a ``bool``. If ``True``, then each RR is put + into its own rrset. The default is ``False``. + + Raises ``dns.message.UnknownHeaderField`` if a header is unknown. + + Raises ``dns.exception.SyntaxError`` if the text is badly formed. + + Returns a ``dns.message.Message object`` + """ + + if isinstance(f, str): + cm: contextlib.AbstractContextManager = open(f) + else: + cm = contextlib.nullcontext(f) + with cm as f: + return from_text(f, idna_codec, one_rr_per_rrset) + assert False # for mypy lgtm[py/unreachable-statement] + + +def make_query( + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + use_edns: Optional[Union[int, bool]] = None, + want_dnssec: bool = False, + ednsflags: Optional[int] = None, + payload: Optional[int] = None, + request_payload: Optional[int] = None, + options: Optional[List[dns.edns.Option]] = None, + idna_codec: Optional[dns.name.IDNACodec] = None, + id: Optional[int] = None, + flags: int = dns.flags.RD, + pad: int = 0, +) -> QueryMessage: + """Make a query message. + + The query name, type, and class may all be specified either + as objects of the appropriate type, or as strings. + + The query will have a randomly chosen query id, and its DNS flags + will be set to dns.flags.RD. + + qname, a ``dns.name.Name`` or ``str``, the query name. + + *rdtype*, an ``int`` or ``str``, the desired rdata type. + + *rdclass*, an ``int`` or ``str``, the desired rdata class; the default + is class IN. + + *use_edns*, an ``int``, ``bool`` or ``None``. The EDNS level to use; the + default is ``None``. If ``None``, EDNS will be enabled only if other + parameters (*ednsflags*, *payload*, *request_payload*, or *options*) are + set. + See the description of dns.message.Message.use_edns() for the possible + values for use_edns and their meanings. + + *want_dnssec*, a ``bool``. If ``True``, DNSSEC data is desired. + + *ednsflags*, an ``int``, the EDNS flag values. + + *payload*, an ``int``, is the EDNS sender's payload field, which is the + maximum size of UDP datagram the sender can handle. I.e. how big + a response to this message can be. + + *request_payload*, an ``int``, is the EDNS payload size to use when + sending this message. If not specified, defaults to the value of + *payload*. + + *options*, a list of ``dns.edns.Option`` objects or ``None``, the EDNS + options. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + *id*, an ``int`` or ``None``, the desired query id. The default is + ``None``, which generates a random query id. + + *flags*, an ``int``, the desired query flags. The default is + ``dns.flags.RD``. + + *pad*, a non-negative ``int``. If 0, the default, do not pad; otherwise add + padding bytes to make the message size a multiple of *pad*. Note that if + padding is non-zero, an EDNS PADDING option will always be added to the + message. + + Returns a ``dns.message.QueryMessage`` + """ + + if isinstance(qname, str): + qname = dns.name.from_text(qname, idna_codec=idna_codec) + rdtype = dns.rdatatype.RdataType.make(rdtype) + rdclass = dns.rdataclass.RdataClass.make(rdclass) + m = QueryMessage(id=id) + m.flags = dns.flags.Flag(flags) + m.find_rrset(m.question, qname, rdclass, rdtype, create=True, force_unique=True) + # only pass keywords on to use_edns if they have been set to a + # non-None value. Setting a field will turn EDNS on if it hasn't + # been configured. + kwargs: Dict[str, Any] = {} + if ednsflags is not None: + kwargs["ednsflags"] = ednsflags + if payload is not None: + kwargs["payload"] = payload + if request_payload is not None: + kwargs["request_payload"] = request_payload + if options is not None: + kwargs["options"] = options + if kwargs and use_edns is None: + use_edns = 0 + kwargs["edns"] = use_edns + kwargs["pad"] = pad + m.use_edns(**kwargs) + m.want_dnssec(want_dnssec) + return m + + +def make_response( + query: Message, + recursion_available: bool = False, + our_payload: int = 8192, + fudge: int = 300, + tsig_error: int = 0, + pad: Optional[int] = None, +) -> Message: + """Make a message which is a response for the specified query. + The message returned is really a response skeleton; it has all of the infrastructure + required of a response, but none of the content. + + The response's question section is a shallow copy of the query's question section, + so the query's question RRsets should not be changed. + + *query*, a ``dns.message.Message``, the query to respond to. + + *recursion_available*, a ``bool``, should RA be set in the response? + + *our_payload*, an ``int``, the payload size to advertise in EDNS responses. + + *fudge*, an ``int``, the TSIG time fudge. + + *tsig_error*, an ``int``, the TSIG error. + + *pad*, a non-negative ``int`` or ``None``. If 0, the default, do not pad; otherwise + if not ``None`` add padding bytes to make the message size a multiple of *pad*. + Note that if padding is non-zero, an EDNS PADDING option will always be added to the + message. If ``None``, add padding following RFC 8467, namely if the request is + padded, pad the response to 468 otherwise do not pad. + + Returns a ``dns.message.Message`` object whose specific class is appropriate for the + query. For example, if query is a ``dns.update.UpdateMessage``, response will be + too. + """ + + if query.flags & dns.flags.QR: + raise dns.exception.FormError("specified query message is not a query") + factory = _message_factory_from_opcode(query.opcode()) + response = factory(id=query.id) + response.flags = dns.flags.QR | (query.flags & dns.flags.RD) + if recursion_available: + response.flags |= dns.flags.RA + response.set_opcode(query.opcode()) + response.question = list(query.question) + if query.edns >= 0: + if pad is None: + # Set response padding per RFC 8467 + pad = 0 + for option in query.options: + if option.otype == dns.edns.OptionType.PADDING: + pad = 468 + response.use_edns(0, 0, our_payload, query.payload, pad=pad) + if query.had_tsig: + response.use_tsig( + query.keyring, + query.keyname, + fudge, + None, + tsig_error, + b"", + query.keyalgorithm, + ) + response.request_mac = query.mac + return response + + +### BEGIN generated MessageSection constants + +QUESTION = MessageSection.QUESTION +ANSWER = MessageSection.ANSWER +AUTHORITY = MessageSection.AUTHORITY +ADDITIONAL = MessageSection.ADDITIONAL + +### END generated MessageSection constants diff --git a/venv/lib/python3.12/site-packages/dns/name.py b/venv/lib/python3.12/site-packages/dns/name.py new file mode 100644 index 0000000..22ccb39 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/name.py @@ -0,0 +1,1283 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Names. +""" + +import copy +import encodings.idna # type: ignore +import functools +import struct +from typing import Any, Callable, Dict, Iterable, Optional, Tuple, Union + +import dns._features +import dns.enum +import dns.exception +import dns.immutable +import dns.wire + +if dns._features.have("idna"): + import idna # type: ignore + + have_idna_2008 = True +else: # pragma: no cover + have_idna_2008 = False + +CompressType = Dict["Name", int] + + +class NameRelation(dns.enum.IntEnum): + """Name relation result from fullcompare().""" + + # This is an IntEnum for backwards compatibility in case anyone + # has hardwired the constants. + + #: The compared names have no relationship to each other. + NONE = 0 + #: the first name is a superdomain of the second. + SUPERDOMAIN = 1 + #: The first name is a subdomain of the second. + SUBDOMAIN = 2 + #: The compared names are equal. + EQUAL = 3 + #: The compared names have a common ancestor. + COMMONANCESTOR = 4 + + @classmethod + def _maximum(cls): + return cls.COMMONANCESTOR + + @classmethod + def _short_name(cls): + return cls.__name__ + + +# Backwards compatibility +NAMERELN_NONE = NameRelation.NONE +NAMERELN_SUPERDOMAIN = NameRelation.SUPERDOMAIN +NAMERELN_SUBDOMAIN = NameRelation.SUBDOMAIN +NAMERELN_EQUAL = NameRelation.EQUAL +NAMERELN_COMMONANCESTOR = NameRelation.COMMONANCESTOR + + +class EmptyLabel(dns.exception.SyntaxError): + """A DNS label is empty.""" + + +class BadEscape(dns.exception.SyntaxError): + """An escaped code in a text format of DNS name is invalid.""" + + +class BadPointer(dns.exception.FormError): + """A DNS compression pointer points forward instead of backward.""" + + +class BadLabelType(dns.exception.FormError): + """The label type in DNS name wire format is unknown.""" + + +class NeedAbsoluteNameOrOrigin(dns.exception.DNSException): + """An attempt was made to convert a non-absolute name to + wire when there was also a non-absolute (or missing) origin.""" + + +class NameTooLong(dns.exception.FormError): + """A DNS name is > 255 octets long.""" + + +class LabelTooLong(dns.exception.SyntaxError): + """A DNS label is > 63 octets long.""" + + +class AbsoluteConcatenation(dns.exception.DNSException): + """An attempt was made to append anything other than the + empty name to an absolute DNS name.""" + + +class NoParent(dns.exception.DNSException): + """An attempt was made to get the parent of the root name + or the empty name.""" + + +class NoIDNA2008(dns.exception.DNSException): + """IDNA 2008 processing was requested but the idna module is not + available.""" + + +class IDNAException(dns.exception.DNSException): + """IDNA processing raised an exception.""" + + supp_kwargs = {"idna_exception"} + fmt = "IDNA processing exception: {idna_exception}" + + # We do this as otherwise mypy complains about unexpected keyword argument + # idna_exception + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + +class NeedSubdomainOfOrigin(dns.exception.DNSException): + """An absolute name was provided that is not a subdomain of the specified origin.""" + + +_escaped = b'"().;\\@$' +_escaped_text = '"().;\\@$' + + +def _escapify(label: Union[bytes, str]) -> str: + """Escape the characters in label which need it. + @returns: the escaped string + @rtype: string""" + if isinstance(label, bytes): + # Ordinary DNS label mode. Escape special characters and values + # < 0x20 or > 0x7f. + text = "" + for c in label: + if c in _escaped: + text += "\\" + chr(c) + elif c > 0x20 and c < 0x7F: + text += chr(c) + else: + text += "\\%03d" % c + return text + + # Unicode label mode. Escape only special characters and values < 0x20 + text = "" + for uc in label: + if uc in _escaped_text: + text += "\\" + uc + elif uc <= "\x20": + text += "\\%03d" % ord(uc) + else: + text += uc + return text + + +class IDNACodec: + """Abstract base class for IDNA encoder/decoders.""" + + def __init__(self): + pass + + def is_idna(self, label: bytes) -> bool: + return label.lower().startswith(b"xn--") + + def encode(self, label: str) -> bytes: + raise NotImplementedError # pragma: no cover + + def decode(self, label: bytes) -> str: + # We do not apply any IDNA policy on decode. + if self.is_idna(label): + try: + slabel = label[4:].decode("punycode") + return _escapify(slabel) + except Exception as e: + raise IDNAException(idna_exception=e) + else: + return _escapify(label) + + +class IDNA2003Codec(IDNACodec): + """IDNA 2003 encoder/decoder.""" + + def __init__(self, strict_decode: bool = False): + """Initialize the IDNA 2003 encoder/decoder. + + *strict_decode* is a ``bool``. If `True`, then IDNA2003 checking + is done when decoding. This can cause failures if the name + was encoded with IDNA2008. The default is `False`. + """ + + super().__init__() + self.strict_decode = strict_decode + + def encode(self, label: str) -> bytes: + """Encode *label*.""" + + if label == "": + return b"" + try: + return encodings.idna.ToASCII(label) + except UnicodeError: + raise LabelTooLong + + def decode(self, label: bytes) -> str: + """Decode *label*.""" + if not self.strict_decode: + return super().decode(label) + if label == b"": + return "" + try: + return _escapify(encodings.idna.ToUnicode(label)) + except Exception as e: + raise IDNAException(idna_exception=e) + + +class IDNA2008Codec(IDNACodec): + """IDNA 2008 encoder/decoder.""" + + def __init__( + self, + uts_46: bool = False, + transitional: bool = False, + allow_pure_ascii: bool = False, + strict_decode: bool = False, + ): + """Initialize the IDNA 2008 encoder/decoder. + + *uts_46* is a ``bool``. If True, apply Unicode IDNA + compatibility processing as described in Unicode Technical + Standard #46 (https://unicode.org/reports/tr46/). + If False, do not apply the mapping. The default is False. + + *transitional* is a ``bool``: If True, use the + "transitional" mode described in Unicode Technical Standard + #46. The default is False. + + *allow_pure_ascii* is a ``bool``. If True, then a label which + consists of only ASCII characters is allowed. This is less + strict than regular IDNA 2008, but is also necessary for mixed + names, e.g. a name with starting with "_sip._tcp." and ending + in an IDN suffix which would otherwise be disallowed. The + default is False. + + *strict_decode* is a ``bool``: If True, then IDNA2008 checking + is done when decoding. This can cause failures if the name + was encoded with IDNA2003. The default is False. + """ + super().__init__() + self.uts_46 = uts_46 + self.transitional = transitional + self.allow_pure_ascii = allow_pure_ascii + self.strict_decode = strict_decode + + def encode(self, label: str) -> bytes: + if label == "": + return b"" + if self.allow_pure_ascii and is_all_ascii(label): + encoded = label.encode("ascii") + if len(encoded) > 63: + raise LabelTooLong + return encoded + if not have_idna_2008: + raise NoIDNA2008 + try: + if self.uts_46: + label = idna.uts46_remap(label, False, self.transitional) + return idna.alabel(label) + except idna.IDNAError as e: + if e.args[0] == "Label too long": + raise LabelTooLong + else: + raise IDNAException(idna_exception=e) + + def decode(self, label: bytes) -> str: + if not self.strict_decode: + return super().decode(label) + if label == b"": + return "" + if not have_idna_2008: + raise NoIDNA2008 + try: + ulabel = idna.ulabel(label) + if self.uts_46: + ulabel = idna.uts46_remap(ulabel, False, self.transitional) + return _escapify(ulabel) + except (idna.IDNAError, UnicodeError) as e: + raise IDNAException(idna_exception=e) + + +IDNA_2003_Practical = IDNA2003Codec(False) +IDNA_2003_Strict = IDNA2003Codec(True) +IDNA_2003 = IDNA_2003_Practical +IDNA_2008_Practical = IDNA2008Codec(True, False, True, False) +IDNA_2008_UTS_46 = IDNA2008Codec(True, False, False, False) +IDNA_2008_Strict = IDNA2008Codec(False, False, False, True) +IDNA_2008_Transitional = IDNA2008Codec(True, True, False, False) +IDNA_2008 = IDNA_2008_Practical + + +def _validate_labels(labels: Tuple[bytes, ...]) -> None: + """Check for empty labels in the middle of a label sequence, + labels that are too long, and for too many labels. + + Raises ``dns.name.NameTooLong`` if the name as a whole is too long. + + Raises ``dns.name.EmptyLabel`` if a label is empty (i.e. the root + label) and appears in a position other than the end of the label + sequence + + """ + + l = len(labels) + total = 0 + i = -1 + j = 0 + for label in labels: + ll = len(label) + total += ll + 1 + if ll > 63: + raise LabelTooLong + if i < 0 and label == b"": + i = j + j += 1 + if total > 255: + raise NameTooLong + if i >= 0 and i != l - 1: + raise EmptyLabel + + +def _maybe_convert_to_binary(label: Union[bytes, str]) -> bytes: + """If label is ``str``, convert it to ``bytes``. If it is already + ``bytes`` just return it. + + """ + + if isinstance(label, bytes): + return label + if isinstance(label, str): + return label.encode() + raise ValueError # pragma: no cover + + +@dns.immutable.immutable +class Name: + """A DNS name. + + The dns.name.Name class represents a DNS name as a tuple of + labels. Each label is a ``bytes`` in DNS wire format. Instances + of the class are immutable. + """ + + __slots__ = ["labels"] + + def __init__(self, labels: Iterable[Union[bytes, str]]): + """*labels* is any iterable whose values are ``str`` or ``bytes``.""" + + blabels = [_maybe_convert_to_binary(x) for x in labels] + self.labels = tuple(blabels) + _validate_labels(self.labels) + + def __copy__(self): + return Name(self.labels) + + def __deepcopy__(self, memo): + return Name(copy.deepcopy(self.labels, memo)) + + def __getstate__(self): + # Names can be pickled + return {"labels": self.labels} + + def __setstate__(self, state): + super().__setattr__("labels", state["labels"]) + _validate_labels(self.labels) + + def is_absolute(self) -> bool: + """Is the most significant label of this name the root label? + + Returns a ``bool``. + """ + + return len(self.labels) > 0 and self.labels[-1] == b"" + + def is_wild(self) -> bool: + """Is this name wild? (I.e. Is the least significant label '*'?) + + Returns a ``bool``. + """ + + return len(self.labels) > 0 and self.labels[0] == b"*" + + def __hash__(self) -> int: + """Return a case-insensitive hash of the name. + + Returns an ``int``. + """ + + h = 0 + for label in self.labels: + for c in label.lower(): + h += (h << 3) + c + return h + + def fullcompare(self, other: "Name") -> Tuple[NameRelation, int, int]: + """Compare two names, returning a 3-tuple + ``(relation, order, nlabels)``. + + *relation* describes the relation ship between the names, + and is one of: ``dns.name.NameRelation.NONE``, + ``dns.name.NameRelation.SUPERDOMAIN``, ``dns.name.NameRelation.SUBDOMAIN``, + ``dns.name.NameRelation.EQUAL``, or ``dns.name.NameRelation.COMMONANCESTOR``. + + *order* is < 0 if *self* < *other*, > 0 if *self* > *other*, and == + 0 if *self* == *other*. A relative name is always less than an + absolute name. If both names have the same relativity, then + the DNSSEC order relation is used to order them. + + *nlabels* is the number of significant labels that the two names + have in common. + + Here are some examples. Names ending in "." are absolute names, + those not ending in "." are relative names. + + ============= ============= =========== ===== ======= + self other relation order nlabels + ============= ============= =========== ===== ======= + www.example. www.example. equal 0 3 + www.example. example. subdomain > 0 2 + example. www.example. superdomain < 0 2 + example1.com. example2.com. common anc. < 0 2 + example1 example2. none < 0 0 + example1. example2 none > 0 0 + ============= ============= =========== ===== ======= + """ + + sabs = self.is_absolute() + oabs = other.is_absolute() + if sabs != oabs: + if sabs: + return (NameRelation.NONE, 1, 0) + else: + return (NameRelation.NONE, -1, 0) + l1 = len(self.labels) + l2 = len(other.labels) + ldiff = l1 - l2 + if ldiff < 0: + l = l1 + else: + l = l2 + + order = 0 + nlabels = 0 + namereln = NameRelation.NONE + while l > 0: + l -= 1 + l1 -= 1 + l2 -= 1 + label1 = self.labels[l1].lower() + label2 = other.labels[l2].lower() + if label1 < label2: + order = -1 + if nlabels > 0: + namereln = NameRelation.COMMONANCESTOR + return (namereln, order, nlabels) + elif label1 > label2: + order = 1 + if nlabels > 0: + namereln = NameRelation.COMMONANCESTOR + return (namereln, order, nlabels) + nlabels += 1 + order = ldiff + if ldiff < 0: + namereln = NameRelation.SUPERDOMAIN + elif ldiff > 0: + namereln = NameRelation.SUBDOMAIN + else: + namereln = NameRelation.EQUAL + return (namereln, order, nlabels) + + def is_subdomain(self, other: "Name") -> bool: + """Is self a subdomain of other? + + Note that the notion of subdomain includes equality, e.g. + "dnspython.org" is a subdomain of itself. + + Returns a ``bool``. + """ + + (nr, _, _) = self.fullcompare(other) + if nr == NameRelation.SUBDOMAIN or nr == NameRelation.EQUAL: + return True + return False + + def is_superdomain(self, other: "Name") -> bool: + """Is self a superdomain of other? + + Note that the notion of superdomain includes equality, e.g. + "dnspython.org" is a superdomain of itself. + + Returns a ``bool``. + """ + + (nr, _, _) = self.fullcompare(other) + if nr == NameRelation.SUPERDOMAIN or nr == NameRelation.EQUAL: + return True + return False + + def canonicalize(self) -> "Name": + """Return a name which is equal to the current name, but is in + DNSSEC canonical form. + """ + + return Name([x.lower() for x in self.labels]) + + def __eq__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] == 0 + else: + return False + + def __ne__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] != 0 + else: + return True + + def __lt__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] < 0 + else: + return NotImplemented + + def __le__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] <= 0 + else: + return NotImplemented + + def __ge__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] >= 0 + else: + return NotImplemented + + def __gt__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] > 0 + else: + return NotImplemented + + def __repr__(self): + return "" + + def __str__(self): + return self.to_text(False) + + def to_text(self, omit_final_dot: bool = False) -> str: + """Convert name to DNS text format. + + *omit_final_dot* is a ``bool``. If True, don't emit the final + dot (denoting the root label) for absolute names. The default + is False. + + Returns a ``str``. + """ + + if len(self.labels) == 0: + return "@" + if len(self.labels) == 1 and self.labels[0] == b"": + return "." + if omit_final_dot and self.is_absolute(): + l = self.labels[:-1] + else: + l = self.labels + s = ".".join(map(_escapify, l)) + return s + + def to_unicode( + self, omit_final_dot: bool = False, idna_codec: Optional[IDNACodec] = None + ) -> str: + """Convert name to Unicode text format. + + IDN ACE labels are converted to Unicode. + + *omit_final_dot* is a ``bool``. If True, don't emit the final + dot (denoting the root label) for absolute names. The default + is False. + *idna_codec* specifies the IDNA encoder/decoder. If None, the + dns.name.IDNA_2003_Practical encoder/decoder is used. + The IDNA_2003_Practical decoder does + not impose any policy, it just decodes punycode, so if you + don't want checking for compliance, you can use this decoder + for IDNA2008 as well. + + Returns a ``str``. + """ + + if len(self.labels) == 0: + return "@" + if len(self.labels) == 1 and self.labels[0] == b"": + return "." + if omit_final_dot and self.is_absolute(): + l = self.labels[:-1] + else: + l = self.labels + if idna_codec is None: + idna_codec = IDNA_2003_Practical + return ".".join([idna_codec.decode(x) for x in l]) + + def to_digestable(self, origin: Optional["Name"] = None) -> bytes: + """Convert name to a format suitable for digesting in hashes. + + The name is canonicalized and converted to uncompressed wire + format. All names in wire format are absolute. If the name + is a relative name, then an origin must be supplied. + + *origin* is a ``dns.name.Name`` or ``None``. If the name is + relative and origin is not ``None``, then origin will be appended + to the name. + + Raises ``dns.name.NeedAbsoluteNameOrOrigin`` if the name is + relative and no origin was provided. + + Returns a ``bytes``. + """ + + digest = self.to_wire(origin=origin, canonicalize=True) + assert digest is not None + return digest + + def to_wire( + self, + file: Optional[Any] = None, + compress: Optional[CompressType] = None, + origin: Optional["Name"] = None, + canonicalize: bool = False, + ) -> Optional[bytes]: + """Convert name to wire format, possibly compressing it. + + *file* is the file where the name is emitted (typically an + io.BytesIO file). If ``None`` (the default), a ``bytes`` + containing the wire name will be returned. + + *compress*, a ``dict``, is the compression table to use. If + ``None`` (the default), names will not be compressed. Note that + the compression code assumes that compression offset 0 is the + start of *file*, and thus compression will not be correct + if this is not the case. + + *origin* is a ``dns.name.Name`` or ``None``. If the name is + relative and origin is not ``None``, then *origin* will be appended + to it. + + *canonicalize*, a ``bool``, indicates whether the name should + be canonicalized; that is, converted to a format suitable for + digesting in hashes. + + Raises ``dns.name.NeedAbsoluteNameOrOrigin`` if the name is + relative and no origin was provided. + + Returns a ``bytes`` or ``None``. + """ + + if file is None: + out = bytearray() + for label in self.labels: + out.append(len(label)) + if canonicalize: + out += label.lower() + else: + out += label + if not self.is_absolute(): + if origin is None or not origin.is_absolute(): + raise NeedAbsoluteNameOrOrigin + for label in origin.labels: + out.append(len(label)) + if canonicalize: + out += label.lower() + else: + out += label + return bytes(out) + + labels: Iterable[bytes] + if not self.is_absolute(): + if origin is None or not origin.is_absolute(): + raise NeedAbsoluteNameOrOrigin + labels = list(self.labels) + labels.extend(list(origin.labels)) + else: + labels = self.labels + i = 0 + for label in labels: + n = Name(labels[i:]) + i += 1 + if compress is not None: + pos = compress.get(n) + else: + pos = None + if pos is not None: + value = 0xC000 + pos + s = struct.pack("!H", value) + file.write(s) + break + else: + if compress is not None and len(n) > 1: + pos = file.tell() + if pos <= 0x3FFF: + compress[n] = pos + l = len(label) + file.write(struct.pack("!B", l)) + if l > 0: + if canonicalize: + file.write(label.lower()) + else: + file.write(label) + return None + + def __len__(self) -> int: + """The length of the name (in labels). + + Returns an ``int``. + """ + + return len(self.labels) + + def __getitem__(self, index): + return self.labels[index] + + def __add__(self, other): + return self.concatenate(other) + + def __sub__(self, other): + return self.relativize(other) + + def split(self, depth: int) -> Tuple["Name", "Name"]: + """Split a name into a prefix and suffix names at the specified depth. + + *depth* is an ``int`` specifying the number of labels in the suffix + + Raises ``ValueError`` if *depth* was not >= 0 and <= the length of the + name. + + Returns the tuple ``(prefix, suffix)``. + """ + + l = len(self.labels) + if depth == 0: + return (self, dns.name.empty) + elif depth == l: + return (dns.name.empty, self) + elif depth < 0 or depth > l: + raise ValueError("depth must be >= 0 and <= the length of the name") + return (Name(self[:-depth]), Name(self[-depth:])) + + def concatenate(self, other: "Name") -> "Name": + """Return a new name which is the concatenation of self and other. + + Raises ``dns.name.AbsoluteConcatenation`` if the name is + absolute and *other* is not the empty name. + + Returns a ``dns.name.Name``. + """ + + if self.is_absolute() and len(other) > 0: + raise AbsoluteConcatenation + labels = list(self.labels) + labels.extend(list(other.labels)) + return Name(labels) + + def relativize(self, origin: "Name") -> "Name": + """If the name is a subdomain of *origin*, return a new name which is + the name relative to origin. Otherwise return the name. + + For example, relativizing ``www.dnspython.org.`` to origin + ``dnspython.org.`` returns the name ``www``. Relativizing ``example.`` + to origin ``dnspython.org.`` returns ``example.``. + + Returns a ``dns.name.Name``. + """ + + if origin is not None and self.is_subdomain(origin): + return Name(self[: -len(origin)]) + else: + return self + + def derelativize(self, origin: "Name") -> "Name": + """If the name is a relative name, return a new name which is the + concatenation of the name and origin. Otherwise return the name. + + For example, derelativizing ``www`` to origin ``dnspython.org.`` + returns the name ``www.dnspython.org.``. Derelativizing ``example.`` + to origin ``dnspython.org.`` returns ``example.``. + + Returns a ``dns.name.Name``. + """ + + if not self.is_absolute(): + return self.concatenate(origin) + else: + return self + + def choose_relativity( + self, origin: Optional["Name"] = None, relativize: bool = True + ) -> "Name": + """Return a name with the relativity desired by the caller. + + If *origin* is ``None``, then the name is returned. + Otherwise, if *relativize* is ``True`` the name is + relativized, and if *relativize* is ``False`` the name is + derelativized. + + Returns a ``dns.name.Name``. + """ + + if origin: + if relativize: + return self.relativize(origin) + else: + return self.derelativize(origin) + else: + return self + + def parent(self) -> "Name": + """Return the parent of the name. + + For example, the parent of ``www.dnspython.org.`` is ``dnspython.org``. + + Raises ``dns.name.NoParent`` if the name is either the root name or the + empty name, and thus has no parent. + + Returns a ``dns.name.Name``. + """ + + if self == root or self == empty: + raise NoParent + return Name(self.labels[1:]) + + def predecessor(self, origin: "Name", prefix_ok: bool = True) -> "Name": + """Return the maximal predecessor of *name* in the DNSSEC ordering in the zone + whose origin is *origin*, or return the longest name under *origin* if the + name is origin (i.e. wrap around to the longest name, which may still be + *origin* due to length considerations. + + The relativity of the name is preserved, so if this name is relative + then the method will return a relative name, and likewise if this name + is absolute then the predecessor will be absolute. + + *prefix_ok* indicates if prefixing labels is allowed, and + defaults to ``True``. Normally it is good to allow this, but if computing + a maximal predecessor at a zone cut point then ``False`` must be specified. + """ + return _handle_relativity_and_call( + _absolute_predecessor, self, origin, prefix_ok + ) + + def successor(self, origin: "Name", prefix_ok: bool = True) -> "Name": + """Return the minimal successor of *name* in the DNSSEC ordering in the zone + whose origin is *origin*, or return *origin* if the successor cannot be + computed due to name length limitations. + + Note that *origin* is returned in the "too long" cases because wrapping + around to the origin is how NSEC records express "end of the zone". + + The relativity of the name is preserved, so if this name is relative + then the method will return a relative name, and likewise if this name + is absolute then the successor will be absolute. + + *prefix_ok* indicates if prefixing a new minimal label is allowed, and + defaults to ``True``. Normally it is good to allow this, but if computing + a minimal successor at a zone cut point then ``False`` must be specified. + """ + return _handle_relativity_and_call(_absolute_successor, self, origin, prefix_ok) + + +#: The root name, '.' +root = Name([b""]) + +#: The empty name. +empty = Name([]) + + +def from_unicode( + text: str, origin: Optional[Name] = root, idna_codec: Optional[IDNACodec] = None +) -> Name: + """Convert unicode text into a Name object. + + Labels are encoded in IDN ACE form according to rules specified by + the IDNA codec. + + *text*, a ``str``, is the text to convert into a name. + + *origin*, a ``dns.name.Name``, specifies the origin to + append to non-absolute names. The default is the root name. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Returns a ``dns.name.Name``. + """ + + if not isinstance(text, str): + raise ValueError("input to from_unicode() must be a unicode string") + if not (origin is None or isinstance(origin, Name)): + raise ValueError("origin must be a Name or None") + labels = [] + label = "" + escaping = False + edigits = 0 + total = 0 + if idna_codec is None: + idna_codec = IDNA_2003 + if text == "@": + text = "" + if text: + if text in [".", "\u3002", "\uff0e", "\uff61"]: + return Name([b""]) # no Unicode "u" on this constant! + for c in text: + if escaping: + if edigits == 0: + if c.isdigit(): + total = int(c) + edigits += 1 + else: + label += c + escaping = False + else: + if not c.isdigit(): + raise BadEscape + total *= 10 + total += int(c) + edigits += 1 + if edigits == 3: + escaping = False + label += chr(total) + elif c in [".", "\u3002", "\uff0e", "\uff61"]: + if len(label) == 0: + raise EmptyLabel + labels.append(idna_codec.encode(label)) + label = "" + elif c == "\\": + escaping = True + edigits = 0 + total = 0 + else: + label += c + if escaping: + raise BadEscape + if len(label) > 0: + labels.append(idna_codec.encode(label)) + else: + labels.append(b"") + + if (len(labels) == 0 or labels[-1] != b"") and origin is not None: + labels.extend(list(origin.labels)) + return Name(labels) + + +def is_all_ascii(text: str) -> bool: + for c in text: + if ord(c) > 0x7F: + return False + return True + + +def from_text( + text: Union[bytes, str], + origin: Optional[Name] = root, + idna_codec: Optional[IDNACodec] = None, +) -> Name: + """Convert text into a Name object. + + *text*, a ``bytes`` or ``str``, is the text to convert into a name. + + *origin*, a ``dns.name.Name``, specifies the origin to + append to non-absolute names. The default is the root name. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Returns a ``dns.name.Name``. + """ + + if isinstance(text, str): + if not is_all_ascii(text): + # Some codepoint in the input text is > 127, so IDNA applies. + return from_unicode(text, origin, idna_codec) + # The input is all ASCII, so treat this like an ordinary non-IDNA + # domain name. Note that "all ASCII" is about the input text, + # not the codepoints in the domain name. E.g. if text has value + # + # r'\150\151\152\153\154\155\156\157\158\159' + # + # then it's still "all ASCII" even though the domain name has + # codepoints > 127. + text = text.encode("ascii") + if not isinstance(text, bytes): + raise ValueError("input to from_text() must be a string") + if not (origin is None or isinstance(origin, Name)): + raise ValueError("origin must be a Name or None") + labels = [] + label = b"" + escaping = False + edigits = 0 + total = 0 + if text == b"@": + text = b"" + if text: + if text == b".": + return Name([b""]) + for c in text: + byte_ = struct.pack("!B", c) + if escaping: + if edigits == 0: + if byte_.isdigit(): + total = int(byte_) + edigits += 1 + else: + label += byte_ + escaping = False + else: + if not byte_.isdigit(): + raise BadEscape + total *= 10 + total += int(byte_) + edigits += 1 + if edigits == 3: + escaping = False + label += struct.pack("!B", total) + elif byte_ == b".": + if len(label) == 0: + raise EmptyLabel + labels.append(label) + label = b"" + elif byte_ == b"\\": + escaping = True + edigits = 0 + total = 0 + else: + label += byte_ + if escaping: + raise BadEscape + if len(label) > 0: + labels.append(label) + else: + labels.append(b"") + if (len(labels) == 0 or labels[-1] != b"") and origin is not None: + labels.extend(list(origin.labels)) + return Name(labels) + + +# we need 'dns.wire.Parser' quoted as dns.name and dns.wire depend on each other. + + +def from_wire_parser(parser: "dns.wire.Parser") -> Name: + """Convert possibly compressed wire format into a Name. + + *parser* is a dns.wire.Parser. + + Raises ``dns.name.BadPointer`` if a compression pointer did not + point backwards in the message. + + Raises ``dns.name.BadLabelType`` if an invalid label type was encountered. + + Returns a ``dns.name.Name`` + """ + + labels = [] + biggest_pointer = parser.current + with parser.restore_furthest(): + count = parser.get_uint8() + while count != 0: + if count < 64: + labels.append(parser.get_bytes(count)) + elif count >= 192: + current = (count & 0x3F) * 256 + parser.get_uint8() + if current >= biggest_pointer: + raise BadPointer + biggest_pointer = current + parser.seek(current) + else: + raise BadLabelType + count = parser.get_uint8() + labels.append(b"") + return Name(labels) + + +def from_wire(message: bytes, current: int) -> Tuple[Name, int]: + """Convert possibly compressed wire format into a Name. + + *message* is a ``bytes`` containing an entire DNS message in DNS + wire form. + + *current*, an ``int``, is the offset of the beginning of the name + from the start of the message + + Raises ``dns.name.BadPointer`` if a compression pointer did not + point backwards in the message. + + Raises ``dns.name.BadLabelType`` if an invalid label type was encountered. + + Returns a ``(dns.name.Name, int)`` tuple consisting of the name + that was read and the number of bytes of the wire format message + which were consumed reading it. + """ + + if not isinstance(message, bytes): + raise ValueError("input to from_wire() must be a byte string") + parser = dns.wire.Parser(message, current) + name = from_wire_parser(parser) + return (name, parser.current - current) + + +# RFC 4471 Support + +_MINIMAL_OCTET = b"\x00" +_MINIMAL_OCTET_VALUE = ord(_MINIMAL_OCTET) +_SUCCESSOR_PREFIX = Name([_MINIMAL_OCTET]) +_MAXIMAL_OCTET = b"\xff" +_MAXIMAL_OCTET_VALUE = ord(_MAXIMAL_OCTET) +_AT_SIGN_VALUE = ord("@") +_LEFT_SQUARE_BRACKET_VALUE = ord("[") + + +def _wire_length(labels): + return functools.reduce(lambda v, x: v + len(x) + 1, labels, 0) + + +def _pad_to_max_name(name): + needed = 255 - _wire_length(name.labels) + new_labels = [] + while needed > 64: + new_labels.append(_MAXIMAL_OCTET * 63) + needed -= 64 + if needed >= 2: + new_labels.append(_MAXIMAL_OCTET * (needed - 1)) + # Note we're already maximal in the needed == 1 case as while we'd like + # to add one more byte as a new label, we can't, as adding a new non-empty + # label requires at least 2 bytes. + new_labels = list(reversed(new_labels)) + new_labels.extend(name.labels) + return Name(new_labels) + + +def _pad_to_max_label(label, suffix_labels): + length = len(label) + # We have to subtract one here to account for the length byte of label. + remaining = 255 - _wire_length(suffix_labels) - length - 1 + if remaining <= 0: + # Shouldn't happen! + return label + needed = min(63 - length, remaining) + return label + _MAXIMAL_OCTET * needed + + +def _absolute_predecessor(name: Name, origin: Name, prefix_ok: bool) -> Name: + # This is the RFC 4471 predecessor algorithm using the "absolute method" of section + # 3.1.1. + # + # Our caller must ensure that the name and origin are absolute, and that name is a + # subdomain of origin. + if name == origin: + return _pad_to_max_name(name) + least_significant_label = name[0] + if least_significant_label == _MINIMAL_OCTET: + return name.parent() + least_octet = least_significant_label[-1] + suffix_labels = name.labels[1:] + if least_octet == _MINIMAL_OCTET_VALUE: + new_labels = [least_significant_label[:-1]] + else: + octets = bytearray(least_significant_label) + octet = octets[-1] + if octet == _LEFT_SQUARE_BRACKET_VALUE: + octet = _AT_SIGN_VALUE + else: + octet -= 1 + octets[-1] = octet + least_significant_label = bytes(octets) + new_labels = [_pad_to_max_label(least_significant_label, suffix_labels)] + new_labels.extend(suffix_labels) + name = Name(new_labels) + if prefix_ok: + return _pad_to_max_name(name) + else: + return name + + +def _absolute_successor(name: Name, origin: Name, prefix_ok: bool) -> Name: + # This is the RFC 4471 successor algorithm using the "absolute method" of section + # 3.1.2. + # + # Our caller must ensure that the name and origin are absolute, and that name is a + # subdomain of origin. + if prefix_ok: + # Try prefixing \000 as new label + try: + return _SUCCESSOR_PREFIX.concatenate(name) + except NameTooLong: + pass + while name != origin: + # Try extending the least significant label. + least_significant_label = name[0] + if len(least_significant_label) < 63: + # We may be able to extend the least label with a minimal additional byte. + # This is only "may" because we could have a maximal length name even though + # the least significant label isn't maximally long. + new_labels = [least_significant_label + _MINIMAL_OCTET] + new_labels.extend(name.labels[1:]) + try: + return dns.name.Name(new_labels) + except dns.name.NameTooLong: + pass + # We can't extend the label either, so we'll try to increment the least + # signficant non-maximal byte in it. + octets = bytearray(least_significant_label) + # We do this reversed iteration with an explicit indexing variable because + # if we find something to increment, we're going to want to truncate everything + # to the right of it. + for i in range(len(octets) - 1, -1, -1): + octet = octets[i] + if octet == _MAXIMAL_OCTET_VALUE: + # We can't increment this, so keep looking. + continue + # Finally, something we can increment. We have to apply a special rule for + # incrementing "@", sending it to "[", because RFC 4034 6.1 says that when + # comparing names, uppercase letters compare as if they were their + # lower-case equivalents. If we increment "@" to "A", then it would compare + # as "a", which is after "[", "\", "]", "^", "_", and "`", so we would have + # skipped the most minimal successor, namely "[". + if octet == _AT_SIGN_VALUE: + octet = _LEFT_SQUARE_BRACKET_VALUE + else: + octet += 1 + octets[i] = octet + # We can now truncate all of the maximal values we skipped (if any) + new_labels = [bytes(octets[: i + 1])] + new_labels.extend(name.labels[1:]) + # We haven't changed the length of the name, so the Name constructor will + # always work. + return Name(new_labels) + # We couldn't increment, so chop off the least significant label and try + # again. + name = name.parent() + + # We couldn't increment at all, so return the origin, as wrapping around is the + # DNSSEC way. + return origin + + +def _handle_relativity_and_call( + function: Callable[[Name, Name, bool], Name], + name: Name, + origin: Name, + prefix_ok: bool, +) -> Name: + # Make "name" absolute if needed, ensure that the origin is absolute, + # call function(), and then relativize the result if needed. + if not origin.is_absolute(): + raise NeedAbsoluteNameOrOrigin + relative = not name.is_absolute() + if relative: + name = name.derelativize(origin) + elif not name.is_subdomain(origin): + raise NeedSubdomainOfOrigin + result_name = function(name, origin, prefix_ok) + if relative: + result_name = result_name.relativize(origin) + return result_name diff --git a/venv/lib/python3.12/site-packages/dns/namedict.py b/venv/lib/python3.12/site-packages/dns/namedict.py new file mode 100644 index 0000000..ca8b197 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/namedict.py @@ -0,0 +1,109 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# Copyright (C) 2016 Coresec Systems AB +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND CORESEC SYSTEMS AB DISCLAIMS ALL +# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CORESEC +# SYSTEMS AB BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR +# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS +# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, +# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS name dictionary""" + +# pylint seems to be confused about this one! +from collections.abc import MutableMapping # pylint: disable=no-name-in-module + +import dns.name + + +class NameDict(MutableMapping): + """A dictionary whose keys are dns.name.Name objects. + + In addition to being like a regular Python dictionary, this + dictionary can also get the deepest match for a given key. + """ + + __slots__ = ["max_depth", "max_depth_items", "__store"] + + def __init__(self, *args, **kwargs): + super().__init__() + self.__store = dict() + #: the maximum depth of the keys that have ever been added + self.max_depth = 0 + #: the number of items of maximum depth + self.max_depth_items = 0 + self.update(dict(*args, **kwargs)) + + def __update_max_depth(self, key): + if len(key) == self.max_depth: + self.max_depth_items = self.max_depth_items + 1 + elif len(key) > self.max_depth: + self.max_depth = len(key) + self.max_depth_items = 1 + + def __getitem__(self, key): + return self.__store[key] + + def __setitem__(self, key, value): + if not isinstance(key, dns.name.Name): + raise ValueError("NameDict key must be a name") + self.__store[key] = value + self.__update_max_depth(key) + + def __delitem__(self, key): + self.__store.pop(key) + if len(key) == self.max_depth: + self.max_depth_items = self.max_depth_items - 1 + if self.max_depth_items == 0: + self.max_depth = 0 + for k in self.__store: + self.__update_max_depth(k) + + def __iter__(self): + return iter(self.__store) + + def __len__(self): + return len(self.__store) + + def has_key(self, key): + return key in self.__store + + def get_deepest_match(self, name): + """Find the deepest match to *name* in the dictionary. + + The deepest match is the longest name in the dictionary which is + a superdomain of *name*. Note that *superdomain* includes matching + *name* itself. + + *name*, a ``dns.name.Name``, the name to find. + + Returns a ``(key, value)`` where *key* is the deepest + ``dns.name.Name``, and *value* is the value associated with *key*. + """ + + depth = len(name) + if depth > self.max_depth: + depth = self.max_depth + for i in range(-depth, 0): + n = dns.name.Name(name[i:]) + if n in self: + return (n, self[n]) + v = self[dns.name.empty] + return (dns.name.empty, v) diff --git a/venv/lib/python3.12/site-packages/dns/nameserver.py b/venv/lib/python3.12/site-packages/dns/nameserver.py new file mode 100644 index 0000000..5dbb4e8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/nameserver.py @@ -0,0 +1,359 @@ +from typing import Optional, Union +from urllib.parse import urlparse + +import dns.asyncbackend +import dns.asyncquery +import dns.inet +import dns.message +import dns.query + + +class Nameserver: + def __init__(self): + pass + + def __str__(self): + raise NotImplementedError + + def kind(self) -> str: + raise NotImplementedError + + def is_always_max_size(self) -> bool: + raise NotImplementedError + + def answer_nameserver(self) -> str: + raise NotImplementedError + + def answer_port(self) -> int: + raise NotImplementedError + + def query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + raise NotImplementedError + + async def async_query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool, + backend: dns.asyncbackend.Backend, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + raise NotImplementedError + + +class AddressAndPortNameserver(Nameserver): + def __init__(self, address: str, port: int): + super().__init__() + self.address = address + self.port = port + + def kind(self) -> str: + raise NotImplementedError + + def is_always_max_size(self) -> bool: + return False + + def __str__(self): + ns_kind = self.kind() + return f"{ns_kind}:{self.address}@{self.port}" + + def answer_nameserver(self) -> str: + return self.address + + def answer_port(self) -> int: + return self.port + + +class Do53Nameserver(AddressAndPortNameserver): + def __init__(self, address: str, port: int = 53): + super().__init__(address, port) + + def kind(self): + return "Do53" + + def query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + if max_size: + response = dns.query.tcp( + request, + self.address, + timeout=timeout, + port=self.port, + source=source, + source_port=source_port, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + else: + response = dns.query.udp( + request, + self.address, + timeout=timeout, + port=self.port, + source=source, + source_port=source_port, + raise_on_truncation=True, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ignore_errors=True, + ignore_unexpected=True, + ) + return response + + async def async_query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool, + backend: dns.asyncbackend.Backend, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + if max_size: + response = await dns.asyncquery.tcp( + request, + self.address, + timeout=timeout, + port=self.port, + source=source, + source_port=source_port, + backend=backend, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + else: + response = await dns.asyncquery.udp( + request, + self.address, + timeout=timeout, + port=self.port, + source=source, + source_port=source_port, + raise_on_truncation=True, + backend=backend, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ignore_errors=True, + ignore_unexpected=True, + ) + return response + + +class DoHNameserver(Nameserver): + def __init__( + self, + url: str, + bootstrap_address: Optional[str] = None, + verify: Union[bool, str] = True, + want_get: bool = False, + ): + super().__init__() + self.url = url + self.bootstrap_address = bootstrap_address + self.verify = verify + self.want_get = want_get + + def kind(self): + return "DoH" + + def is_always_max_size(self) -> bool: + return True + + def __str__(self): + return self.url + + def answer_nameserver(self) -> str: + return self.url + + def answer_port(self) -> int: + port = urlparse(self.url).port + if port is None: + port = 443 + return port + + def query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + return dns.query.https( + request, + self.url, + timeout=timeout, + source=source, + source_port=source_port, + bootstrap_address=self.bootstrap_address, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + verify=self.verify, + post=(not self.want_get), + ) + + async def async_query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool, + backend: dns.asyncbackend.Backend, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + return await dns.asyncquery.https( + request, + self.url, + timeout=timeout, + source=source, + source_port=source_port, + bootstrap_address=self.bootstrap_address, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + verify=self.verify, + post=(not self.want_get), + ) + + +class DoTNameserver(AddressAndPortNameserver): + def __init__( + self, + address: str, + port: int = 853, + hostname: Optional[str] = None, + verify: Union[bool, str] = True, + ): + super().__init__(address, port) + self.hostname = hostname + self.verify = verify + + def kind(self): + return "DoT" + + def query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + return dns.query.tls( + request, + self.address, + port=self.port, + timeout=timeout, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + server_hostname=self.hostname, + verify=self.verify, + ) + + async def async_query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool, + backend: dns.asyncbackend.Backend, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + return await dns.asyncquery.tls( + request, + self.address, + port=self.port, + timeout=timeout, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + server_hostname=self.hostname, + verify=self.verify, + ) + + +class DoQNameserver(AddressAndPortNameserver): + def __init__( + self, + address: str, + port: int = 853, + verify: Union[bool, str] = True, + server_hostname: Optional[str] = None, + ): + super().__init__(address, port) + self.verify = verify + self.server_hostname = server_hostname + + def kind(self): + return "DoQ" + + def query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + return dns.query.quic( + request, + self.address, + port=self.port, + timeout=timeout, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + verify=self.verify, + server_hostname=self.server_hostname, + ) + + async def async_query( + self, + request: dns.message.QueryMessage, + timeout: float, + source: Optional[str], + source_port: int, + max_size: bool, + backend: dns.asyncbackend.Backend, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + ) -> dns.message.Message: + return await dns.asyncquery.quic( + request, + self.address, + port=self.port, + timeout=timeout, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + verify=self.verify, + server_hostname=self.server_hostname, + ) diff --git a/venv/lib/python3.12/site-packages/dns/node.py b/venv/lib/python3.12/site-packages/dns/node.py new file mode 100644 index 0000000..de85a82 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/node.py @@ -0,0 +1,359 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS nodes. A node is a set of rdatasets.""" + +import enum +import io +from typing import Any, Dict, Optional + +import dns.immutable +import dns.name +import dns.rdataclass +import dns.rdataset +import dns.rdatatype +import dns.renderer +import dns.rrset + +_cname_types = { + dns.rdatatype.CNAME, +} + +# "neutral" types can coexist with a CNAME and thus are not "other data" +_neutral_types = { + dns.rdatatype.NSEC, # RFC 4035 section 2.5 + dns.rdatatype.NSEC3, # This is not likely to happen, but not impossible! + dns.rdatatype.KEY, # RFC 4035 section 2.5, RFC 3007 +} + + +def _matches_type_or_its_signature(rdtypes, rdtype, covers): + return rdtype in rdtypes or (rdtype == dns.rdatatype.RRSIG and covers in rdtypes) + + +@enum.unique +class NodeKind(enum.Enum): + """Rdatasets in nodes""" + + REGULAR = 0 # a.k.a "other data" + NEUTRAL = 1 + CNAME = 2 + + @classmethod + def classify( + cls, rdtype: dns.rdatatype.RdataType, covers: dns.rdatatype.RdataType + ) -> "NodeKind": + if _matches_type_or_its_signature(_cname_types, rdtype, covers): + return NodeKind.CNAME + elif _matches_type_or_its_signature(_neutral_types, rdtype, covers): + return NodeKind.NEUTRAL + else: + return NodeKind.REGULAR + + @classmethod + def classify_rdataset(cls, rdataset: dns.rdataset.Rdataset) -> "NodeKind": + return cls.classify(rdataset.rdtype, rdataset.covers) + + +class Node: + """A Node is a set of rdatasets. + + A node is either a CNAME node or an "other data" node. A CNAME + node contains only CNAME, KEY, NSEC, and NSEC3 rdatasets along with their + covering RRSIG rdatasets. An "other data" node contains any + rdataset other than a CNAME or RRSIG(CNAME) rdataset. When + changes are made to a node, the CNAME or "other data" state is + always consistent with the update, i.e. the most recent change + wins. For example, if you have a node which contains a CNAME + rdataset, and then add an MX rdataset to it, then the CNAME + rdataset will be deleted. Likewise if you have a node containing + an MX rdataset and add a CNAME rdataset, the MX rdataset will be + deleted. + """ + + __slots__ = ["rdatasets"] + + def __init__(self): + # the set of rdatasets, represented as a list. + self.rdatasets = [] + + def to_text(self, name: dns.name.Name, **kw: Dict[str, Any]) -> str: + """Convert a node to text format. + + Each rdataset at the node is printed. Any keyword arguments + to this method are passed on to the rdataset's to_text() method. + + *name*, a ``dns.name.Name``, the owner name of the + rdatasets. + + Returns a ``str``. + + """ + + s = io.StringIO() + for rds in self.rdatasets: + if len(rds) > 0: + s.write(rds.to_text(name, **kw)) # type: ignore[arg-type] + s.write("\n") + return s.getvalue()[:-1] + + def __repr__(self): + return "" + + def __eq__(self, other): + # + # This is inefficient. Good thing we don't need to do it much. + # + for rd in self.rdatasets: + if rd not in other.rdatasets: + return False + for rd in other.rdatasets: + if rd not in self.rdatasets: + return False + return True + + def __ne__(self, other): + return not self.__eq__(other) + + def __len__(self): + return len(self.rdatasets) + + def __iter__(self): + return iter(self.rdatasets) + + def _append_rdataset(self, rdataset): + """Append rdataset to the node with special handling for CNAME and + other data conditions. + + Specifically, if the rdataset being appended has ``NodeKind.CNAME``, + then all rdatasets other than KEY, NSEC, NSEC3, and their covering + RRSIGs are deleted. If the rdataset being appended has + ``NodeKind.REGULAR`` then CNAME and RRSIG(CNAME) are deleted. + """ + # Make having just one rdataset at the node fast. + if len(self.rdatasets) > 0: + kind = NodeKind.classify_rdataset(rdataset) + if kind == NodeKind.CNAME: + self.rdatasets = [ + rds + for rds in self.rdatasets + if NodeKind.classify_rdataset(rds) != NodeKind.REGULAR + ] + elif kind == NodeKind.REGULAR: + self.rdatasets = [ + rds + for rds in self.rdatasets + if NodeKind.classify_rdataset(rds) != NodeKind.CNAME + ] + # Otherwise the rdataset is NodeKind.NEUTRAL and we do not need to + # edit self.rdatasets. + self.rdatasets.append(rdataset) + + def find_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + create: bool = False, + ) -> dns.rdataset.Rdataset: + """Find an rdataset matching the specified properties in the + current node. + + *rdclass*, a ``dns.rdataclass.RdataClass``, the class of the rdataset. + + *rdtype*, a ``dns.rdatatype.RdataType``, the type of the rdataset. + + *covers*, a ``dns.rdatatype.RdataType``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If True, create the rdataset if it is not found. + + Raises ``KeyError`` if an rdataset of the desired type and class does + not exist and *create* is not ``True``. + + Returns a ``dns.rdataset.Rdataset``. + """ + + for rds in self.rdatasets: + if rds.match(rdclass, rdtype, covers): + return rds + if not create: + raise KeyError + rds = dns.rdataset.Rdataset(rdclass, rdtype, covers) + self._append_rdataset(rds) + return rds + + def get_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + create: bool = False, + ) -> Optional[dns.rdataset.Rdataset]: + """Get an rdataset matching the specified properties in the + current node. + + None is returned if an rdataset of the specified type and + class does not exist and *create* is not ``True``. + + *rdclass*, an ``int``, the class of the rdataset. + + *rdtype*, an ``int``, the type of the rdataset. + + *covers*, an ``int``, the covered type. Usually this value is + dns.rdatatype.NONE, but if the rdtype is dns.rdatatype.SIG or + dns.rdatatype.RRSIG, then the covers value will be the rdata + type the SIG/RRSIG covers. The library treats the SIG and RRSIG + types as if they were a family of + types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). This makes RRSIGs much + easier to work with than if RRSIGs covering different rdata + types were aggregated into a single RRSIG rdataset. + + *create*, a ``bool``. If True, create the rdataset if it is not found. + + Returns a ``dns.rdataset.Rdataset`` or ``None``. + """ + + try: + rds = self.find_rdataset(rdclass, rdtype, covers, create) + except KeyError: + rds = None + return rds + + def delete_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + ) -> None: + """Delete the rdataset matching the specified properties in the + current node. + + If a matching rdataset does not exist, it is not an error. + + *rdclass*, an ``int``, the class of the rdataset. + + *rdtype*, an ``int``, the type of the rdataset. + + *covers*, an ``int``, the covered type. + """ + + rds = self.get_rdataset(rdclass, rdtype, covers) + if rds is not None: + self.rdatasets.remove(rds) + + def replace_rdataset(self, replacement: dns.rdataset.Rdataset) -> None: + """Replace an rdataset. + + It is not an error if there is no rdataset matching *replacement*. + + Ownership of the *replacement* object is transferred to the node; + in other words, this method does not store a copy of *replacement* + at the node, it stores *replacement* itself. + + *replacement*, a ``dns.rdataset.Rdataset``. + + Raises ``ValueError`` if *replacement* is not a + ``dns.rdataset.Rdataset``. + """ + + if not isinstance(replacement, dns.rdataset.Rdataset): + raise ValueError("replacement is not an rdataset") + if isinstance(replacement, dns.rrset.RRset): + # RRsets are not good replacements as the match() method + # is not compatible. + replacement = replacement.to_rdataset() + self.delete_rdataset( + replacement.rdclass, replacement.rdtype, replacement.covers + ) + self._append_rdataset(replacement) + + def classify(self) -> NodeKind: + """Classify a node. + + A node which contains a CNAME or RRSIG(CNAME) is a + ``NodeKind.CNAME`` node. + + A node which contains only "neutral" types, i.e. types allowed to + co-exist with a CNAME, is a ``NodeKind.NEUTRAL`` node. The neutral + types are NSEC, NSEC3, KEY, and their associated RRSIGS. An empty node + is also considered neutral. + + A node which contains some rdataset which is not a CNAME, RRSIG(CNAME), + or a neutral type is a a ``NodeKind.REGULAR`` node. Regular nodes are + also commonly referred to as "other data". + """ + for rdataset in self.rdatasets: + kind = NodeKind.classify(rdataset.rdtype, rdataset.covers) + if kind != NodeKind.NEUTRAL: + return kind + return NodeKind.NEUTRAL + + def is_immutable(self) -> bool: + return False + + +@dns.immutable.immutable +class ImmutableNode(Node): + def __init__(self, node): + super().__init__() + self.rdatasets = tuple( + [dns.rdataset.ImmutableRdataset(rds) for rds in node.rdatasets] + ) + + def find_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + create: bool = False, + ) -> dns.rdataset.Rdataset: + if create: + raise TypeError("immutable") + return super().find_rdataset(rdclass, rdtype, covers, False) + + def get_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + create: bool = False, + ) -> Optional[dns.rdataset.Rdataset]: + if create: + raise TypeError("immutable") + return super().get_rdataset(rdclass, rdtype, covers, False) + + def delete_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + ) -> None: + raise TypeError("immutable") + + def replace_rdataset(self, replacement: dns.rdataset.Rdataset) -> None: + raise TypeError("immutable") + + def is_immutable(self) -> bool: + return True diff --git a/venv/lib/python3.12/site-packages/dns/opcode.py b/venv/lib/python3.12/site-packages/dns/opcode.py new file mode 100644 index 0000000..78b43d2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/opcode.py @@ -0,0 +1,117 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Opcodes.""" + +import dns.enum +import dns.exception + + +class Opcode(dns.enum.IntEnum): + #: Query + QUERY = 0 + #: Inverse Query (historical) + IQUERY = 1 + #: Server Status (unspecified and unimplemented anywhere) + STATUS = 2 + #: Notify + NOTIFY = 4 + #: Dynamic Update + UPDATE = 5 + + @classmethod + def _maximum(cls): + return 15 + + @classmethod + def _unknown_exception_class(cls): + return UnknownOpcode + + +class UnknownOpcode(dns.exception.DNSException): + """An DNS opcode is unknown.""" + + +def from_text(text: str) -> Opcode: + """Convert text into an opcode. + + *text*, a ``str``, the textual opcode + + Raises ``dns.opcode.UnknownOpcode`` if the opcode is unknown. + + Returns an ``int``. + """ + + return Opcode.from_text(text) + + +def from_flags(flags: int) -> Opcode: + """Extract an opcode from DNS message flags. + + *flags*, an ``int``, the DNS flags. + + Returns an ``int``. + """ + + return Opcode((flags & 0x7800) >> 11) + + +def to_flags(value: Opcode) -> int: + """Convert an opcode to a value suitable for ORing into DNS message + flags. + + *value*, an ``int``, the DNS opcode value. + + Returns an ``int``. + """ + + return (value << 11) & 0x7800 + + +def to_text(value: Opcode) -> str: + """Convert an opcode to text. + + *value*, an ``int`` the opcode value, + + Raises ``dns.opcode.UnknownOpcode`` if the opcode is unknown. + + Returns a ``str``. + """ + + return Opcode.to_text(value) + + +def is_update(flags: int) -> bool: + """Is the opcode in flags UPDATE? + + *flags*, an ``int``, the DNS message flags. + + Returns a ``bool``. + """ + + return from_flags(flags) == Opcode.UPDATE + + +### BEGIN generated Opcode constants + +QUERY = Opcode.QUERY +IQUERY = Opcode.IQUERY +STATUS = Opcode.STATUS +NOTIFY = Opcode.NOTIFY +UPDATE = Opcode.UPDATE + +### END generated Opcode constants diff --git a/venv/lib/python3.12/site-packages/dns/py.typed b/venv/lib/python3.12/site-packages/dns/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/dns/query.py b/venv/lib/python3.12/site-packages/dns/query.py new file mode 100644 index 0000000..f0ee916 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/query.py @@ -0,0 +1,1578 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Talk to a DNS server.""" + +import base64 +import contextlib +import enum +import errno +import os +import os.path +import selectors +import socket +import struct +import time +from typing import Any, Dict, Optional, Tuple, Union + +import dns._features +import dns.exception +import dns.inet +import dns.message +import dns.name +import dns.quic +import dns.rcode +import dns.rdataclass +import dns.rdatatype +import dns.serial +import dns.transaction +import dns.tsig +import dns.xfr + + +def _remaining(expiration): + if expiration is None: + return None + timeout = expiration - time.time() + if timeout <= 0.0: + raise dns.exception.Timeout + return timeout + + +def _expiration_for_this_attempt(timeout, expiration): + if expiration is None: + return None + return min(time.time() + timeout, expiration) + + +_have_httpx = dns._features.have("doh") +if _have_httpx: + import httpcore._backends.sync + import httpx + + _CoreNetworkBackend = httpcore.NetworkBackend + _CoreSyncStream = httpcore._backends.sync.SyncStream + + class _NetworkBackend(_CoreNetworkBackend): + def __init__(self, resolver, local_port, bootstrap_address, family): + super().__init__() + self._local_port = local_port + self._resolver = resolver + self._bootstrap_address = bootstrap_address + self._family = family + + def connect_tcp( + self, host, port, timeout, local_address, socket_options=None + ): # pylint: disable=signature-differs + addresses = [] + _, expiration = _compute_times(timeout) + if dns.inet.is_address(host): + addresses.append(host) + elif self._bootstrap_address is not None: + addresses.append(self._bootstrap_address) + else: + timeout = _remaining(expiration) + family = self._family + if local_address: + family = dns.inet.af_for_address(local_address) + answers = self._resolver.resolve_name( + host, family=family, lifetime=timeout + ) + addresses = answers.addresses() + for address in addresses: + af = dns.inet.af_for_address(address) + if local_address is not None or self._local_port != 0: + source = dns.inet.low_level_address_tuple( + (local_address, self._local_port), af + ) + else: + source = None + sock = _make_socket(af, socket.SOCK_STREAM, source) + attempt_expiration = _expiration_for_this_attempt(2.0, expiration) + try: + _connect( + sock, + dns.inet.low_level_address_tuple((address, port), af), + attempt_expiration, + ) + return _CoreSyncStream(sock) + except Exception: + pass + raise httpcore.ConnectError + + def connect_unix_socket( + self, path, timeout, socket_options=None + ): # pylint: disable=signature-differs + raise NotImplementedError + + class _HTTPTransport(httpx.HTTPTransport): + def __init__( + self, + *args, + local_port=0, + bootstrap_address=None, + resolver=None, + family=socket.AF_UNSPEC, + **kwargs, + ): + if resolver is None: + # pylint: disable=import-outside-toplevel,redefined-outer-name + import dns.resolver + + resolver = dns.resolver.Resolver() + super().__init__(*args, **kwargs) + self._pool._network_backend = _NetworkBackend( + resolver, local_port, bootstrap_address, family + ) + +else: + + class _HTTPTransport: # type: ignore + def connect_tcp(self, host, port, timeout, local_address): + raise NotImplementedError + + +have_doh = _have_httpx + +try: + import ssl +except ImportError: # pragma: no cover + + class ssl: # type: ignore + CERT_NONE = 0 + + class WantReadException(Exception): + pass + + class WantWriteException(Exception): + pass + + class SSLContext: + pass + + class SSLSocket: + pass + + @classmethod + def create_default_context(cls, *args, **kwargs): + raise Exception("no ssl support") # pylint: disable=broad-exception-raised + + +# Function used to create a socket. Can be overridden if needed in special +# situations. +socket_factory = socket.socket + + +class UnexpectedSource(dns.exception.DNSException): + """A DNS query response came from an unexpected address or port.""" + + +class BadResponse(dns.exception.FormError): + """A DNS query response does not respond to the question asked.""" + + +class NoDOH(dns.exception.DNSException): + """DNS over HTTPS (DOH) was requested but the httpx module is not + available.""" + + +class NoDOQ(dns.exception.DNSException): + """DNS over QUIC (DOQ) was requested but the aioquic module is not + available.""" + + +# for backwards compatibility +TransferError = dns.xfr.TransferError + + +def _compute_times(timeout): + now = time.time() + if timeout is None: + return (now, None) + else: + return (now, now + timeout) + + +def _wait_for(fd, readable, writable, _, expiration): + # Use the selected selector class to wait for any of the specified + # events. An "expiration" absolute time is converted into a relative + # timeout. + # + # The unused parameter is 'error', which is always set when + # selecting for read or write, and we have no error-only selects. + + if readable and isinstance(fd, ssl.SSLSocket) and fd.pending() > 0: + return True + sel = _selector_class() + events = 0 + if readable: + events |= selectors.EVENT_READ + if writable: + events |= selectors.EVENT_WRITE + if events: + sel.register(fd, events) + if expiration is None: + timeout = None + else: + timeout = expiration - time.time() + if timeout <= 0.0: + raise dns.exception.Timeout + if not sel.select(timeout): + raise dns.exception.Timeout + + +def _set_selector_class(selector_class): + # Internal API. Do not use. + + global _selector_class + + _selector_class = selector_class + + +if hasattr(selectors, "PollSelector"): + # Prefer poll() on platforms that support it because it has no + # limits on the maximum value of a file descriptor (plus it will + # be more efficient for high values). + # + # We ignore typing here as we can't say _selector_class is Any + # on python < 3.8 due to a bug. + _selector_class = selectors.PollSelector # type: ignore +else: + _selector_class = selectors.SelectSelector # type: ignore + + +def _wait_for_readable(s, expiration): + _wait_for(s, True, False, True, expiration) + + +def _wait_for_writable(s, expiration): + _wait_for(s, False, True, True, expiration) + + +def _addresses_equal(af, a1, a2): + # Convert the first value of the tuple, which is a textual format + # address into binary form, so that we are not confused by different + # textual representations of the same address + try: + n1 = dns.inet.inet_pton(af, a1[0]) + n2 = dns.inet.inet_pton(af, a2[0]) + except dns.exception.SyntaxError: + return False + return n1 == n2 and a1[1:] == a2[1:] + + +def _matches_destination(af, from_address, destination, ignore_unexpected): + # Check that from_address is appropriate for a response to a query + # sent to destination. + if not destination: + return True + if _addresses_equal(af, from_address, destination) or ( + dns.inet.is_multicast(destination[0]) and from_address[1:] == destination[1:] + ): + return True + elif ignore_unexpected: + return False + raise UnexpectedSource( + f"got a response from {from_address} instead of " f"{destination}" + ) + + +def _destination_and_source( + where, port, source, source_port, where_must_be_address=True +): + # Apply defaults and compute destination and source tuples + # suitable for use in connect(), sendto(), or bind(). + af = None + destination = None + try: + af = dns.inet.af_for_address(where) + destination = where + except Exception: + if where_must_be_address: + raise + # URLs are ok so eat the exception + if source: + saf = dns.inet.af_for_address(source) + if af: + # We know the destination af, so source had better agree! + if saf != af: + raise ValueError( + "different address families for source and destination" + ) + else: + # We didn't know the destination af, but we know the source, + # so that's our af. + af = saf + if source_port and not source: + # Caller has specified a source_port but not an address, so we + # need to return a source, and we need to use the appropriate + # wildcard address as the address. + try: + source = dns.inet.any_for_af(af) + except Exception: + # we catch this and raise ValueError for backwards compatibility + raise ValueError("source_port specified but address family is unknown") + # Convert high-level (address, port) tuples into low-level address + # tuples. + if destination: + destination = dns.inet.low_level_address_tuple((destination, port), af) + if source: + source = dns.inet.low_level_address_tuple((source, source_port), af) + return (af, destination, source) + + +def _make_socket(af, type, source, ssl_context=None, server_hostname=None): + s = socket_factory(af, type) + try: + s.setblocking(False) + if source is not None: + s.bind(source) + if ssl_context: + # LGTM gets a false positive here, as our default context is OK + return ssl_context.wrap_socket( + s, + do_handshake_on_connect=False, # lgtm[py/insecure-protocol] + server_hostname=server_hostname, + ) + else: + return s + except Exception: + s.close() + raise + + +def https( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 443, + source: Optional[str] = None, + source_port: int = 0, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + session: Optional[Any] = None, + path: str = "/dns-query", + post: bool = True, + bootstrap_address: Optional[str] = None, + verify: Union[bool, str] = True, + resolver: Optional["dns.resolver.Resolver"] = None, + family: Optional[int] = socket.AF_UNSPEC, +) -> dns.message.Message: + """Return the response obtained after sending a query via DNS-over-HTTPS. + + *q*, a ``dns.message.Message``, the query to send. + + *where*, a ``str``, the nameserver IP address or the full URL. If an IP address is + given, the URL will be constructed using the following schema: + https://:/. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the query + times out. If ``None``, the default, wait forever. + + *port*, a ``int``, the port to send the query to. The default is 443. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying the source + address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. The default is + 0. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing junk at end of the + received message. + + *session*, an ``httpx.Client``. If provided, the client session to use to send the + queries. + + *path*, a ``str``. If *where* is an IP address, then *path* will be used to + construct the URL to send the DNS query to. + + *post*, a ``bool``. If ``True``, the default, POST method will be used. + + *bootstrap_address*, a ``str``, the IP address to use to bypass resolution. + + *verify*, a ``bool`` or ``str``. If a ``True``, then TLS certificate verification + of the server is done using the default CA bundle; if ``False``, then no + verification is done; if a `str` then it specifies the path to a certificate file or + directory which will be used for verification. + + *resolver*, a ``dns.resolver.Resolver`` or ``None``, the resolver to use for + resolution of hostnames in URLs. If not specified, a new resolver with a default + configuration will be used; note this is *not* the default resolver as that resolver + might have been configured to use DoH causing a chicken-and-egg problem. This + parameter only has an effect if the HTTP library is httpx. + + *family*, an ``int``, the address family. If socket.AF_UNSPEC (the default), both A + and AAAA records will be retrieved. + + Returns a ``dns.message.Message``. + """ + + if not have_doh: + raise NoDOH # pragma: no cover + if session and not isinstance(session, httpx.Client): + raise ValueError("session parameter must be an httpx.Client") + + wire = q.to_wire() + (af, _, the_source) = _destination_and_source( + where, port, source, source_port, False + ) + transport = None + headers = {"accept": "application/dns-message"} + if af is not None and dns.inet.is_address(where): + if af == socket.AF_INET: + url = "https://{}:{}{}".format(where, port, path) + elif af == socket.AF_INET6: + url = "https://[{}]:{}{}".format(where, port, path) + else: + url = where + + # set source port and source address + + if the_source is None: + local_address = None + local_port = 0 + else: + local_address = the_source[0] + local_port = the_source[1] + transport = _HTTPTransport( + local_address=local_address, + http1=True, + http2=True, + verify=verify, + local_port=local_port, + bootstrap_address=bootstrap_address, + resolver=resolver, + family=family, + ) + + if session: + cm: contextlib.AbstractContextManager = contextlib.nullcontext(session) + else: + cm = httpx.Client(http1=True, http2=True, verify=verify, transport=transport) + with cm as session: + # see https://tools.ietf.org/html/rfc8484#section-4.1.1 for DoH + # GET and POST examples + if post: + headers.update( + { + "content-type": "application/dns-message", + "content-length": str(len(wire)), + } + ) + response = session.post(url, headers=headers, content=wire, timeout=timeout) + else: + wire = base64.urlsafe_b64encode(wire).rstrip(b"=") + twire = wire.decode() # httpx does a repr() if we give it bytes + response = session.get( + url, headers=headers, timeout=timeout, params={"dns": twire} + ) + + # see https://tools.ietf.org/html/rfc8484#section-4.2.1 for info about DoH + # status codes + if response.status_code < 200 or response.status_code > 299: + raise ValueError( + "{} responded with status code {}" + "\nResponse body: {}".format(where, response.status_code, response.content) + ) + r = dns.message.from_wire( + response.content, + keyring=q.keyring, + request_mac=q.request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + r.time = response.elapsed.total_seconds() + if not q.is_response(r): + raise BadResponse + return r + + +def _udp_recv(sock, max_size, expiration): + """Reads a datagram from the socket. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + while True: + try: + return sock.recvfrom(max_size) + except BlockingIOError: + _wait_for_readable(sock, expiration) + + +def _udp_send(sock, data, destination, expiration): + """Sends the specified datagram to destination over the socket. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + while True: + try: + if destination: + return sock.sendto(data, destination) + else: + return sock.send(data) + except BlockingIOError: # pragma: no cover + _wait_for_writable(sock, expiration) + + +def send_udp( + sock: Any, + what: Union[dns.message.Message, bytes], + destination: Any, + expiration: Optional[float] = None, +) -> Tuple[int, float]: + """Send a DNS message to the specified UDP socket. + + *sock*, a ``socket``. + + *what*, a ``bytes`` or ``dns.message.Message``, the message to send. + + *destination*, a destination tuple appropriate for the address family + of the socket, specifying where to send the query. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + Returns an ``(int, float)`` tuple of bytes sent and the sent time. + """ + + if isinstance(what, dns.message.Message): + what = what.to_wire() + sent_time = time.time() + n = _udp_send(sock, what, destination, expiration) + return (n, sent_time) + + +def receive_udp( + sock: Any, + destination: Optional[Any] = None, + expiration: Optional[float] = None, + ignore_unexpected: bool = False, + one_rr_per_rrset: bool = False, + keyring: Optional[Dict[dns.name.Name, dns.tsig.Key]] = None, + request_mac: Optional[bytes] = b"", + ignore_trailing: bool = False, + raise_on_truncation: bool = False, + ignore_errors: bool = False, + query: Optional[dns.message.Message] = None, +) -> Any: + """Read a DNS message from a UDP socket. + + *sock*, a ``socket``. + + *destination*, a destination tuple appropriate for the address family + of the socket, specifying where the message is expected to arrive from. + When receiving a response, this would be where the associated query was + sent. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + *ignore_unexpected*, a ``bool``. If ``True``, ignore responses from + unexpected sources. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *keyring*, a ``dict``, the keyring to use for TSIG. + + *request_mac*, a ``bytes`` or ``None``, the MAC of the request (for TSIG). + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *raise_on_truncation*, a ``bool``. If ``True``, raise an exception if + the TC bit is set. + + Raises if the message is malformed, if network errors occur, of if + there is a timeout. + + If *destination* is not ``None``, returns a ``(dns.message.Message, float)`` + tuple of the received message and the received time. + + If *destination* is ``None``, returns a + ``(dns.message.Message, float, tuple)`` + tuple of the received message, the received time, and the address where + the message arrived from. + + *ignore_errors*, a ``bool``. If various format errors or response + mismatches occur, ignore them and keep listening for a valid response. + The default is ``False``. + + *query*, a ``dns.message.Message`` or ``None``. If not ``None`` and + *ignore_errors* is ``True``, check that the received message is a response + to this query, and if not keep listening for a valid response. + """ + + wire = b"" + while True: + (wire, from_address) = _udp_recv(sock, 65535, expiration) + if not _matches_destination( + sock.family, from_address, destination, ignore_unexpected + ): + continue + received_time = time.time() + try: + r = dns.message.from_wire( + wire, + keyring=keyring, + request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + raise_on_truncation=raise_on_truncation, + ) + except dns.message.Truncated as e: + # If we got Truncated and not FORMERR, we at least got the header with TC + # set, and very likely the question section, so we'll re-raise if the + # message seems to be a response as we need to know when truncation happens. + # We need to check that it seems to be a response as we don't want a random + # injected message with TC set to cause us to bail out. + if ( + ignore_errors + and query is not None + and not query.is_response(e.message()) + ): + continue + else: + raise + except Exception: + if ignore_errors: + continue + else: + raise + if ignore_errors and query is not None and not query.is_response(r): + continue + if destination: + return (r, received_time) + else: + return (r, received_time, from_address) + + +def udp( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 53, + source: Optional[str] = None, + source_port: int = 0, + ignore_unexpected: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + raise_on_truncation: bool = False, + sock: Optional[Any] = None, + ignore_errors: bool = False, +) -> dns.message.Message: + """Return the response obtained after sending a query via UDP. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the + query times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *ignore_unexpected*, a ``bool``. If ``True``, ignore responses from + unexpected sources. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *raise_on_truncation*, a ``bool``. If ``True``, raise an exception if + the TC bit is set. + + *sock*, a ``socket.socket``, or ``None``, the socket to use for the + query. If ``None``, the default, a socket is created. Note that + if a socket is provided, it must be a nonblocking datagram socket, + and the *source* and *source_port* are ignored. + + *ignore_errors*, a ``bool``. If various format errors or response + mismatches occur, ignore them and keep listening for a valid response. + The default is ``False``. + + Returns a ``dns.message.Message``. + """ + + wire = q.to_wire() + (af, destination, source) = _destination_and_source( + where, port, source, source_port + ) + (begin_time, expiration) = _compute_times(timeout) + if sock: + cm: contextlib.AbstractContextManager = contextlib.nullcontext(sock) + else: + cm = _make_socket(af, socket.SOCK_DGRAM, source) + with cm as s: + send_udp(s, wire, destination, expiration) + (r, received_time) = receive_udp( + s, + destination, + expiration, + ignore_unexpected, + one_rr_per_rrset, + q.keyring, + q.mac, + ignore_trailing, + raise_on_truncation, + ignore_errors, + q, + ) + r.time = received_time - begin_time + # We don't need to check q.is_response() if we are in ignore_errors mode + # as receive_udp() will have checked it. + if not (ignore_errors or q.is_response(r)): + raise BadResponse + return r + assert ( + False # help mypy figure out we can't get here lgtm[py/unreachable-statement] + ) + + +def udp_with_fallback( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 53, + source: Optional[str] = None, + source_port: int = 0, + ignore_unexpected: bool = False, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + udp_sock: Optional[Any] = None, + tcp_sock: Optional[Any] = None, + ignore_errors: bool = False, +) -> Tuple[dns.message.Message, bool]: + """Return the response to the query, trying UDP first and falling back + to TCP if UDP results in a truncated response. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the query + times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying the source + address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. The default is + 0. + + *ignore_unexpected*, a ``bool``. If ``True``, ignore responses from unexpected + sources. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing junk at end of the + received message. + + *udp_sock*, a ``socket.socket``, or ``None``, the socket to use for the UDP query. + If ``None``, the default, a socket is created. Note that if a socket is provided, + it must be a nonblocking datagram socket, and the *source* and *source_port* are + ignored for the UDP query. + + *tcp_sock*, a ``socket.socket``, or ``None``, the connected socket to use for the + TCP query. If ``None``, the default, a socket is created. Note that if a socket is + provided, it must be a nonblocking connected stream socket, and *where*, *source* + and *source_port* are ignored for the TCP query. + + *ignore_errors*, a ``bool``. If various format errors or response mismatches occur + while listening for UDP, ignore them and keep listening for a valid response. The + default is ``False``. + + Returns a (``dns.message.Message``, tcp) tuple where tcp is ``True`` if and only if + TCP was used. + """ + try: + response = udp( + q, + where, + timeout, + port, + source, + source_port, + ignore_unexpected, + one_rr_per_rrset, + ignore_trailing, + True, + udp_sock, + ignore_errors, + ) + return (response, False) + except dns.message.Truncated: + response = tcp( + q, + where, + timeout, + port, + source, + source_port, + one_rr_per_rrset, + ignore_trailing, + tcp_sock, + ) + return (response, True) + + +def _net_read(sock, count, expiration): + """Read the specified number of bytes from sock. Keep trying until we + either get the desired amount, or we hit EOF. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + s = b"" + while count > 0: + try: + n = sock.recv(count) + if n == b"": + raise EOFError + count -= len(n) + s += n + except (BlockingIOError, ssl.SSLWantReadError): + _wait_for_readable(sock, expiration) + except ssl.SSLWantWriteError: # pragma: no cover + _wait_for_writable(sock, expiration) + return s + + +def _net_write(sock, data, expiration): + """Write the specified data to the socket. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + current = 0 + l = len(data) + while current < l: + try: + current += sock.send(data[current:]) + except (BlockingIOError, ssl.SSLWantWriteError): + _wait_for_writable(sock, expiration) + except ssl.SSLWantReadError: # pragma: no cover + _wait_for_readable(sock, expiration) + + +def send_tcp( + sock: Any, + what: Union[dns.message.Message, bytes], + expiration: Optional[float] = None, +) -> Tuple[int, float]: + """Send a DNS message to the specified TCP socket. + + *sock*, a ``socket``. + + *what*, a ``bytes`` or ``dns.message.Message``, the message to send. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + Returns an ``(int, float)`` tuple of bytes sent and the sent time. + """ + + if isinstance(what, dns.message.Message): + tcpmsg = what.to_wire(prepend_length=True) + else: + # copying the wire into tcpmsg is inefficient, but lets us + # avoid writev() or doing a short write that would get pushed + # onto the net + tcpmsg = len(what).to_bytes(2, "big") + what + sent_time = time.time() + _net_write(sock, tcpmsg, expiration) + return (len(tcpmsg), sent_time) + + +def receive_tcp( + sock: Any, + expiration: Optional[float] = None, + one_rr_per_rrset: bool = False, + keyring: Optional[Dict[dns.name.Name, dns.tsig.Key]] = None, + request_mac: Optional[bytes] = b"", + ignore_trailing: bool = False, +) -> Tuple[dns.message.Message, float]: + """Read a DNS message from a TCP socket. + + *sock*, a ``socket``. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *keyring*, a ``dict``, the keyring to use for TSIG. + + *request_mac*, a ``bytes`` or ``None``, the MAC of the request (for TSIG). + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + Raises if the message is malformed, if network errors occur, of if + there is a timeout. + + Returns a ``(dns.message.Message, float)`` tuple of the received message + and the received time. + """ + + ldata = _net_read(sock, 2, expiration) + (l,) = struct.unpack("!H", ldata) + wire = _net_read(sock, l, expiration) + received_time = time.time() + r = dns.message.from_wire( + wire, + keyring=keyring, + request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + return (r, received_time) + + +def _connect(s, address, expiration): + err = s.connect_ex(address) + if err == 0: + return + if err in (errno.EINPROGRESS, errno.EWOULDBLOCK, errno.EALREADY): + _wait_for_writable(s, expiration) + err = s.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR) + if err != 0: + raise OSError(err, os.strerror(err)) + + +def tcp( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 53, + source: Optional[str] = None, + source_port: int = 0, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + sock: Optional[Any] = None, +) -> dns.message.Message: + """Return the response obtained after sending a query via TCP. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the + query times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *sock*, a ``socket.socket``, or ``None``, the connected socket to use for the + query. If ``None``, the default, a socket is created. Note that + if a socket is provided, it must be a nonblocking connected stream + socket, and *where*, *port*, *source* and *source_port* are ignored. + + Returns a ``dns.message.Message``. + """ + + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + if sock: + cm: contextlib.AbstractContextManager = contextlib.nullcontext(sock) + else: + (af, destination, source) = _destination_and_source( + where, port, source, source_port + ) + cm = _make_socket(af, socket.SOCK_STREAM, source) + with cm as s: + if not sock: + _connect(s, destination, expiration) + send_tcp(s, wire, expiration) + (r, received_time) = receive_tcp( + s, expiration, one_rr_per_rrset, q.keyring, q.mac, ignore_trailing + ) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + assert ( + False # help mypy figure out we can't get here lgtm[py/unreachable-statement] + ) + + +def _tls_handshake(s, expiration): + while True: + try: + s.do_handshake() + return + except ssl.SSLWantReadError: + _wait_for_readable(s, expiration) + except ssl.SSLWantWriteError: # pragma: no cover + _wait_for_writable(s, expiration) + + +def _make_dot_ssl_context( + server_hostname: Optional[str], verify: Union[bool, str] +) -> ssl.SSLContext: + cafile: Optional[str] = None + capath: Optional[str] = None + if isinstance(verify, str): + if os.path.isfile(verify): + cafile = verify + elif os.path.isdir(verify): + capath = verify + else: + raise ValueError("invalid verify string") + ssl_context = ssl.create_default_context(cafile=cafile, capath=capath) + ssl_context.minimum_version = ssl.TLSVersion.TLSv1_2 + if server_hostname is None: + ssl_context.check_hostname = False + ssl_context.set_alpn_protocols(["dot"]) + if verify is False: + ssl_context.verify_mode = ssl.CERT_NONE + return ssl_context + + +def tls( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 853, + source: Optional[str] = None, + source_port: int = 0, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + sock: Optional[ssl.SSLSocket] = None, + ssl_context: Optional[ssl.SSLContext] = None, + server_hostname: Optional[str] = None, + verify: Union[bool, str] = True, +) -> dns.message.Message: + """Return the response obtained after sending a query via TLS. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the + query times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 853. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *sock*, an ``ssl.SSLSocket``, or ``None``, the socket to use for + the query. If ``None``, the default, a socket is created. Note + that if a socket is provided, it must be a nonblocking connected + SSL stream socket, and *where*, *port*, *source*, *source_port*, + and *ssl_context* are ignored. + + *ssl_context*, an ``ssl.SSLContext``, the context to use when establishing + a TLS connection. If ``None``, the default, creates one with the default + configuration. + + *server_hostname*, a ``str`` containing the server's hostname. The + default is ``None``, which means that no hostname is known, and if an + SSL context is created, hostname checking will be disabled. + + *verify*, a ``bool`` or ``str``. If a ``True``, then TLS certificate verification + of the server is done using the default CA bundle; if ``False``, then no + verification is done; if a `str` then it specifies the path to a certificate file or + directory which will be used for verification. + + Returns a ``dns.message.Message``. + + """ + + if sock: + # + # If a socket was provided, there's no special TLS handling needed. + # + return tcp( + q, + where, + timeout, + port, + source, + source_port, + one_rr_per_rrset, + ignore_trailing, + sock, + ) + + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + (af, destination, source) = _destination_and_source( + where, port, source, source_port + ) + if ssl_context is None and not sock: + ssl_context = _make_dot_ssl_context(server_hostname, verify) + + with _make_socket( + af, + socket.SOCK_STREAM, + source, + ssl_context=ssl_context, + server_hostname=server_hostname, + ) as s: + _connect(s, destination, expiration) + _tls_handshake(s, expiration) + send_tcp(s, wire, expiration) + (r, received_time) = receive_tcp( + s, expiration, one_rr_per_rrset, q.keyring, q.mac, ignore_trailing + ) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + assert ( + False # help mypy figure out we can't get here lgtm[py/unreachable-statement] + ) + + +def quic( + q: dns.message.Message, + where: str, + timeout: Optional[float] = None, + port: int = 853, + source: Optional[str] = None, + source_port: int = 0, + one_rr_per_rrset: bool = False, + ignore_trailing: bool = False, + connection: Optional[dns.quic.SyncQuicConnection] = None, + verify: Union[bool, str] = True, + server_hostname: Optional[str] = None, +) -> dns.message.Message: + """Return the response obtained after sending a query via DNS-over-QUIC. + + *q*, a ``dns.message.Message``, the query to send. + + *where*, a ``str``, the nameserver IP address. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the query + times out. If ``None``, the default, wait forever. + + *port*, a ``int``, the port to send the query to. The default is 853. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying the source + address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. The default is + 0. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing junk at end of the + received message. + + *connection*, a ``dns.quic.SyncQuicConnection``. If provided, the + connection to use to send the query. + + *verify*, a ``bool`` or ``str``. If a ``True``, then TLS certificate verification + of the server is done using the default CA bundle; if ``False``, then no + verification is done; if a `str` then it specifies the path to a certificate file or + directory which will be used for verification. + + *server_hostname*, a ``str`` containing the server's hostname. The + default is ``None``, which means that no hostname is known, and if an + SSL context is created, hostname checking will be disabled. + + Returns a ``dns.message.Message``. + """ + + if not dns.quic.have_quic: + raise NoDOQ("DNS-over-QUIC is not available.") # pragma: no cover + + q.id = 0 + wire = q.to_wire() + the_connection: dns.quic.SyncQuicConnection + the_manager: dns.quic.SyncQuicManager + if connection: + manager: contextlib.AbstractContextManager = contextlib.nullcontext(None) + the_connection = connection + else: + manager = dns.quic.SyncQuicManager( + verify_mode=verify, server_name=server_hostname + ) + the_manager = manager # for type checking happiness + + with manager: + if not connection: + the_connection = the_manager.connect(where, port, source, source_port) + (start, expiration) = _compute_times(timeout) + with the_connection.make_stream(timeout) as stream: + stream.send(wire, True) + wire = stream.receive(_remaining(expiration)) + finish = time.time() + r = dns.message.from_wire( + wire, + keyring=q.keyring, + request_mac=q.request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + ) + r.time = max(finish - start, 0.0) + if not q.is_response(r): + raise BadResponse + return r + + +def xfr( + where: str, + zone: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.AXFR, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + timeout: Optional[float] = None, + port: int = 53, + keyring: Optional[Dict[dns.name.Name, dns.tsig.Key]] = None, + keyname: Optional[Union[dns.name.Name, str]] = None, + relativize: bool = True, + lifetime: Optional[float] = None, + source: Optional[str] = None, + source_port: int = 0, + serial: int = 0, + use_udp: bool = False, + keyalgorithm: Union[dns.name.Name, str] = dns.tsig.default_algorithm, +) -> Any: + """Return a generator for the responses to a zone transfer. + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *zone*, a ``dns.name.Name`` or ``str``, the name of the zone to transfer. + + *rdtype*, an ``int`` or ``str``, the type of zone transfer. The + default is ``dns.rdatatype.AXFR``. ``dns.rdatatype.IXFR`` can be + used to do an incremental transfer instead. + + *rdclass*, an ``int`` or ``str``, the class of the zone transfer. + The default is ``dns.rdataclass.IN``. + + *timeout*, a ``float``, the number of seconds to wait for each + response message. If None, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *keyring*, a ``dict``, the keyring to use for TSIG. + + *keyname*, a ``dns.name.Name`` or ``str``, the name of the TSIG + key to use. + + *relativize*, a ``bool``. If ``True``, all names in the zone will be + relativized to the zone origin. It is essential that the + relativize setting matches the one specified to + ``dns.zone.from_xfr()`` if using this generator to make a zone. + + *lifetime*, a ``float``, the total number of seconds to spend + doing the transfer. If ``None``, the default, then there is no + limit on the time the transfer may take. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *serial*, an ``int``, the SOA serial number to use as the base for + an IXFR diff sequence (only meaningful if *rdtype* is + ``dns.rdatatype.IXFR``). + + *use_udp*, a ``bool``. If ``True``, use UDP (only meaningful for IXFR). + + *keyalgorithm*, a ``dns.name.Name`` or ``str``, the TSIG algorithm to use. + + Raises on errors, and so does the generator. + + Returns a generator of ``dns.message.Message`` objects. + """ + + if isinstance(zone, str): + zone = dns.name.from_text(zone) + rdtype = dns.rdatatype.RdataType.make(rdtype) + q = dns.message.make_query(zone, rdtype, rdclass) + if rdtype == dns.rdatatype.IXFR: + rrset = dns.rrset.from_text(zone, 0, "IN", "SOA", ". . %u 0 0 0 0" % serial) + q.authority.append(rrset) + if keyring is not None: + q.use_tsig(keyring, keyname, algorithm=keyalgorithm) + wire = q.to_wire() + (af, destination, source) = _destination_and_source( + where, port, source, source_port + ) + if use_udp and rdtype != dns.rdatatype.IXFR: + raise ValueError("cannot do a UDP AXFR") + sock_type = socket.SOCK_DGRAM if use_udp else socket.SOCK_STREAM + with _make_socket(af, sock_type, source) as s: + (_, expiration) = _compute_times(lifetime) + _connect(s, destination, expiration) + l = len(wire) + if use_udp: + _udp_send(s, wire, None, expiration) + else: + tcpmsg = struct.pack("!H", l) + wire + _net_write(s, tcpmsg, expiration) + done = False + delete_mode = True + expecting_SOA = False + soa_rrset = None + if relativize: + origin = zone + oname = dns.name.empty + else: + origin = None + oname = zone + tsig_ctx = None + while not done: + (_, mexpiration) = _compute_times(timeout) + if mexpiration is None or ( + expiration is not None and mexpiration > expiration + ): + mexpiration = expiration + if use_udp: + (wire, _) = _udp_recv(s, 65535, mexpiration) + else: + ldata = _net_read(s, 2, mexpiration) + (l,) = struct.unpack("!H", ldata) + wire = _net_read(s, l, mexpiration) + is_ixfr = rdtype == dns.rdatatype.IXFR + r = dns.message.from_wire( + wire, + keyring=q.keyring, + request_mac=q.mac, + xfr=True, + origin=origin, + tsig_ctx=tsig_ctx, + multi=True, + one_rr_per_rrset=is_ixfr, + ) + rcode = r.rcode() + if rcode != dns.rcode.NOERROR: + raise TransferError(rcode) + tsig_ctx = r.tsig_ctx + answer_index = 0 + if soa_rrset is None: + if not r.answer or r.answer[0].name != oname: + raise dns.exception.FormError("No answer or RRset not for qname") + rrset = r.answer[0] + if rrset.rdtype != dns.rdatatype.SOA: + raise dns.exception.FormError("first RRset is not an SOA") + answer_index = 1 + soa_rrset = rrset.copy() + if rdtype == dns.rdatatype.IXFR: + if dns.serial.Serial(soa_rrset[0].serial) <= serial: + # + # We're already up-to-date. + # + done = True + else: + expecting_SOA = True + # + # Process SOAs in the answer section (other than the initial + # SOA in the first message). + # + for rrset in r.answer[answer_index:]: + if done: + raise dns.exception.FormError("answers after final SOA") + if rrset.rdtype == dns.rdatatype.SOA and rrset.name == oname: + if expecting_SOA: + if rrset[0].serial != serial: + raise dns.exception.FormError("IXFR base serial mismatch") + expecting_SOA = False + elif rdtype == dns.rdatatype.IXFR: + delete_mode = not delete_mode + # + # If this SOA RRset is equal to the first we saw then we're + # finished. If this is an IXFR we also check that we're + # seeing the record in the expected part of the response. + # + if rrset == soa_rrset and ( + rdtype == dns.rdatatype.AXFR + or (rdtype == dns.rdatatype.IXFR and delete_mode) + ): + done = True + elif expecting_SOA: + # + # We made an IXFR request and are expecting another + # SOA RR, but saw something else, so this must be an + # AXFR response. + # + rdtype = dns.rdatatype.AXFR + expecting_SOA = False + if done and q.keyring and not r.had_tsig: + raise dns.exception.FormError("missing TSIG") + yield r + + +class UDPMode(enum.IntEnum): + """How should UDP be used in an IXFR from :py:func:`inbound_xfr()`? + + NEVER means "never use UDP; always use TCP" + TRY_FIRST means "try to use UDP but fall back to TCP if needed" + ONLY means "raise ``dns.xfr.UseTCP`` if trying UDP does not succeed" + """ + + NEVER = 0 + TRY_FIRST = 1 + ONLY = 2 + + +def inbound_xfr( + where: str, + txn_manager: dns.transaction.TransactionManager, + query: Optional[dns.message.Message] = None, + port: int = 53, + timeout: Optional[float] = None, + lifetime: Optional[float] = None, + source: Optional[str] = None, + source_port: int = 0, + udp_mode: UDPMode = UDPMode.NEVER, +) -> None: + """Conduct an inbound transfer and apply it via a transaction from the + txn_manager. + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *txn_manager*, a ``dns.transaction.TransactionManager``, the txn_manager + for this transfer (typically a ``dns.zone.Zone``). + + *query*, the query to send. If not supplied, a default query is + constructed using information from the *txn_manager*. + + *port*, an ``int``, the port send the message to. The default is 53. + + *timeout*, a ``float``, the number of seconds to wait for each + response message. If None, the default, wait forever. + + *lifetime*, a ``float``, the total number of seconds to spend + doing the transfer. If ``None``, the default, then there is no + limit on the time the transfer may take. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *udp_mode*, a ``dns.query.UDPMode``, determines how UDP is used + for IXFRs. The default is ``dns.UDPMode.NEVER``, i.e. only use + TCP. Other possibilities are ``dns.UDPMode.TRY_FIRST``, which + means "try UDP but fallback to TCP if needed", and + ``dns.UDPMode.ONLY``, which means "try UDP and raise + ``dns.xfr.UseTCP`` if it does not succeed. + + Raises on errors. + """ + if query is None: + (query, serial) = dns.xfr.make_query(txn_manager) + else: + serial = dns.xfr.extract_serial_from_query(query) + rdtype = query.question[0].rdtype + is_ixfr = rdtype == dns.rdatatype.IXFR + origin = txn_manager.from_wire_origin() + wire = query.to_wire() + (af, destination, source) = _destination_and_source( + where, port, source, source_port + ) + (_, expiration) = _compute_times(lifetime) + retry = True + while retry: + retry = False + if is_ixfr and udp_mode != UDPMode.NEVER: + sock_type = socket.SOCK_DGRAM + is_udp = True + else: + sock_type = socket.SOCK_STREAM + is_udp = False + with _make_socket(af, sock_type, source) as s: + _connect(s, destination, expiration) + if is_udp: + _udp_send(s, wire, None, expiration) + else: + tcpmsg = struct.pack("!H", len(wire)) + wire + _net_write(s, tcpmsg, expiration) + with dns.xfr.Inbound(txn_manager, rdtype, serial, is_udp) as inbound: + done = False + tsig_ctx = None + while not done: + (_, mexpiration) = _compute_times(timeout) + if mexpiration is None or ( + expiration is not None and mexpiration > expiration + ): + mexpiration = expiration + if is_udp: + (rwire, _) = _udp_recv(s, 65535, mexpiration) + else: + ldata = _net_read(s, 2, mexpiration) + (l,) = struct.unpack("!H", ldata) + rwire = _net_read(s, l, mexpiration) + r = dns.message.from_wire( + rwire, + keyring=query.keyring, + request_mac=query.mac, + xfr=True, + origin=origin, + tsig_ctx=tsig_ctx, + multi=(not is_udp), + one_rr_per_rrset=is_ixfr, + ) + try: + done = inbound.process_message(r) + except dns.xfr.UseTCP: + assert is_udp # should not happen if we used TCP! + if udp_mode == UDPMode.ONLY: + raise + done = True + retry = True + udp_mode = UDPMode.NEVER + continue + tsig_ctx = r.tsig_ctx + if not retry and query.keyring and not r.had_tsig: + raise dns.exception.FormError("missing TSIG") diff --git a/venv/lib/python3.12/site-packages/dns/quic/__init__.py b/venv/lib/python3.12/site-packages/dns/quic/__init__.py new file mode 100644 index 0000000..20aff34 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/quic/__init__.py @@ -0,0 +1,75 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns._features +import dns.asyncbackend + +if dns._features.have("doq"): + import aioquic.quic.configuration # type: ignore + + from dns._asyncbackend import NullContext + from dns.quic._asyncio import ( + AsyncioQuicConnection, + AsyncioQuicManager, + AsyncioQuicStream, + ) + from dns.quic._common import AsyncQuicConnection, AsyncQuicManager + from dns.quic._sync import SyncQuicConnection, SyncQuicManager, SyncQuicStream + + have_quic = True + + def null_factory( + *args, # pylint: disable=unused-argument + **kwargs, # pylint: disable=unused-argument + ): + return NullContext(None) + + def _asyncio_manager_factory( + context, *args, **kwargs # pylint: disable=unused-argument + ): + return AsyncioQuicManager(*args, **kwargs) + + # We have a context factory and a manager factory as for trio we need to have + # a nursery. + + _async_factories = {"asyncio": (null_factory, _asyncio_manager_factory)} + + if dns._features.have("trio"): + import trio + + from dns.quic._trio import ( # pylint: disable=ungrouped-imports + TrioQuicConnection, + TrioQuicManager, + TrioQuicStream, + ) + + def _trio_context_factory(): + return trio.open_nursery() + + def _trio_manager_factory(context, *args, **kwargs): + return TrioQuicManager(context, *args, **kwargs) + + _async_factories["trio"] = (_trio_context_factory, _trio_manager_factory) + + def factories_for_backend(backend=None): + if backend is None: + backend = dns.asyncbackend.get_default_backend() + return _async_factories[backend.name()] + +else: # pragma: no cover + have_quic = False + + from typing import Any + + class AsyncQuicStream: # type: ignore + pass + + class AsyncQuicConnection: # type: ignore + async def make_stream(self) -> Any: + raise NotImplementedError + + class SyncQuicStream: # type: ignore + pass + + class SyncQuicConnection: # type: ignore + def make_stream(self) -> Any: + raise NotImplementedError diff --git a/venv/lib/python3.12/site-packages/dns/quic/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..5344148 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_asyncio.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_asyncio.cpython-312.pyc new file mode 100644 index 0000000..a4c38f1 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_asyncio.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_common.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_common.cpython-312.pyc new file mode 100644 index 0000000..b5fcdf2 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_common.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_sync.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_sync.cpython-312.pyc new file mode 100644 index 0000000..ce534bd Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_sync.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_trio.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_trio.cpython-312.pyc new file mode 100644 index 0000000..efa346a Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/quic/__pycache__/_trio.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/quic/_asyncio.py b/venv/lib/python3.12/site-packages/dns/quic/_asyncio.py new file mode 100644 index 0000000..0f44331 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/quic/_asyncio.py @@ -0,0 +1,228 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import asyncio +import socket +import ssl +import struct +import time + +import aioquic.quic.configuration # type: ignore +import aioquic.quic.connection # type: ignore +import aioquic.quic.events # type: ignore + +import dns.asyncbackend +import dns.exception +import dns.inet +from dns.quic._common import ( + QUIC_MAX_DATAGRAM, + AsyncQuicConnection, + AsyncQuicManager, + BaseQuicStream, + UnexpectedEOF, +) + + +class AsyncioQuicStream(BaseQuicStream): + def __init__(self, connection, stream_id): + super().__init__(connection, stream_id) + self._wake_up = asyncio.Condition() + + async def _wait_for_wake_up(self): + async with self._wake_up: + await self._wake_up.wait() + + async def wait_for(self, amount, expiration): + while True: + timeout = self._timeout_from_expiration(expiration) + if self._buffer.have(amount): + return + self._expecting = amount + try: + await asyncio.wait_for(self._wait_for_wake_up(), timeout) + except TimeoutError: + raise dns.exception.Timeout + self._expecting = 0 + + async def receive(self, timeout=None): + expiration = self._expiration_from_timeout(timeout) + await self.wait_for(2, expiration) + (size,) = struct.unpack("!H", self._buffer.get(2)) + await self.wait_for(size, expiration) + return self._buffer.get(size) + + async def send(self, datagram, is_end=False): + data = self._encapsulate(datagram) + await self._connection.write(self._stream_id, data, is_end) + + async def _add_input(self, data, is_end): + if self._common_add_input(data, is_end): + async with self._wake_up: + self._wake_up.notify() + + async def close(self): + self._close() + + # Streams are async context managers + + async def __aenter__(self): + return self + + async def __aexit__(self, exc_type, exc_val, exc_tb): + await self.close() + async with self._wake_up: + self._wake_up.notify() + return False + + +class AsyncioQuicConnection(AsyncQuicConnection): + def __init__(self, connection, address, port, source, source_port, manager=None): + super().__init__(connection, address, port, source, source_port, manager) + self._socket = None + self._handshake_complete = asyncio.Event() + self._socket_created = asyncio.Event() + self._wake_timer = asyncio.Condition() + self._receiver_task = None + self._sender_task = None + + async def _receiver(self): + try: + af = dns.inet.af_for_address(self._address) + backend = dns.asyncbackend.get_backend("asyncio") + # Note that peer is a low-level address tuple, but make_socket() wants + # a high-level address tuple, so we convert. + self._socket = await backend.make_socket( + af, socket.SOCK_DGRAM, 0, self._source, (self._peer[0], self._peer[1]) + ) + self._socket_created.set() + async with self._socket: + while not self._done: + (datagram, address) = await self._socket.recvfrom( + QUIC_MAX_DATAGRAM, None + ) + if address[0] != self._peer[0] or address[1] != self._peer[1]: + continue + self._connection.receive_datagram(datagram, address, time.time()) + # Wake up the timer in case the sender is sleeping, as there may be + # stuff to send now. + async with self._wake_timer: + self._wake_timer.notify_all() + except Exception: + pass + finally: + self._done = True + async with self._wake_timer: + self._wake_timer.notify_all() + self._handshake_complete.set() + + async def _wait_for_wake_timer(self): + async with self._wake_timer: + await self._wake_timer.wait() + + async def _sender(self): + await self._socket_created.wait() + while not self._done: + datagrams = self._connection.datagrams_to_send(time.time()) + for datagram, address in datagrams: + assert address == self._peer + await self._socket.sendto(datagram, self._peer, None) + (expiration, interval) = self._get_timer_values() + try: + await asyncio.wait_for(self._wait_for_wake_timer(), interval) + except Exception: + pass + self._handle_timer(expiration) + await self._handle_events() + + async def _handle_events(self): + count = 0 + while True: + event = self._connection.next_event() + if event is None: + return + if isinstance(event, aioquic.quic.events.StreamDataReceived): + stream = self._streams.get(event.stream_id) + if stream: + await stream._add_input(event.data, event.end_stream) + elif isinstance(event, aioquic.quic.events.HandshakeCompleted): + self._handshake_complete.set() + elif isinstance(event, aioquic.quic.events.ConnectionTerminated): + self._done = True + self._receiver_task.cancel() + elif isinstance(event, aioquic.quic.events.StreamReset): + stream = self._streams.get(event.stream_id) + if stream: + await stream._add_input(b"", True) + + count += 1 + if count > 10: + # yield + count = 0 + await asyncio.sleep(0) + + async def write(self, stream, data, is_end=False): + self._connection.send_stream_data(stream, data, is_end) + async with self._wake_timer: + self._wake_timer.notify_all() + + def run(self): + if self._closed: + return + self._receiver_task = asyncio.Task(self._receiver()) + self._sender_task = asyncio.Task(self._sender()) + + async def make_stream(self, timeout=None): + try: + await asyncio.wait_for(self._handshake_complete.wait(), timeout) + except TimeoutError: + raise dns.exception.Timeout + if self._done: + raise UnexpectedEOF + stream_id = self._connection.get_next_available_stream_id(False) + stream = AsyncioQuicStream(self, stream_id) + self._streams[stream_id] = stream + return stream + + async def close(self): + if not self._closed: + self._manager.closed(self._peer[0], self._peer[1]) + self._closed = True + self._connection.close() + # sender might be blocked on this, so set it + self._socket_created.set() + async with self._wake_timer: + self._wake_timer.notify_all() + try: + await self._receiver_task + except asyncio.CancelledError: + pass + try: + await self._sender_task + except asyncio.CancelledError: + pass + await self._socket.close() + + +class AsyncioQuicManager(AsyncQuicManager): + def __init__(self, conf=None, verify_mode=ssl.CERT_REQUIRED, server_name=None): + super().__init__(conf, verify_mode, AsyncioQuicConnection, server_name) + + def connect( + self, address, port=853, source=None, source_port=0, want_session_ticket=True + ): + (connection, start) = self._connect( + address, port, source, source_port, want_session_ticket + ) + if start: + connection.run() + return connection + + async def __aenter__(self): + return self + + async def __aexit__(self, exc_type, exc_val, exc_tb): + # Copy the iterator into a list as exiting things will mutate the connections + # table. + connections = list(self._connections.values()) + for connection in connections: + await connection.close() + return False diff --git a/venv/lib/python3.12/site-packages/dns/quic/_common.py b/venv/lib/python3.12/site-packages/dns/quic/_common.py new file mode 100644 index 0000000..0eacc69 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/quic/_common.py @@ -0,0 +1,224 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import copy +import functools +import socket +import struct +import time +from typing import Any, Optional + +import aioquic.quic.configuration # type: ignore +import aioquic.quic.connection # type: ignore + +import dns.inet + +QUIC_MAX_DATAGRAM = 2048 +MAX_SESSION_TICKETS = 8 +# If we hit the max sessions limit we will delete this many of the oldest connections. +# The value must be a integer > 0 and <= MAX_SESSION_TICKETS. +SESSIONS_TO_DELETE = MAX_SESSION_TICKETS // 4 + + +class UnexpectedEOF(Exception): + pass + + +class Buffer: + def __init__(self): + self._buffer = b"" + self._seen_end = False + + def put(self, data, is_end): + if self._seen_end: + return + self._buffer += data + if is_end: + self._seen_end = True + + def have(self, amount): + if len(self._buffer) >= amount: + return True + if self._seen_end: + raise UnexpectedEOF + return False + + def seen_end(self): + return self._seen_end + + def get(self, amount): + assert self.have(amount) + data = self._buffer[:amount] + self._buffer = self._buffer[amount:] + return data + + +class BaseQuicStream: + def __init__(self, connection, stream_id): + self._connection = connection + self._stream_id = stream_id + self._buffer = Buffer() + self._expecting = 0 + + def id(self): + return self._stream_id + + def _expiration_from_timeout(self, timeout): + if timeout is not None: + expiration = time.time() + timeout + else: + expiration = None + return expiration + + def _timeout_from_expiration(self, expiration): + if expiration is not None: + timeout = max(expiration - time.time(), 0.0) + else: + timeout = None + return timeout + + # Subclass must implement receive() as sync / async and which returns a message + # or raises UnexpectedEOF. + + def _encapsulate(self, datagram): + l = len(datagram) + return struct.pack("!H", l) + datagram + + def _common_add_input(self, data, is_end): + self._buffer.put(data, is_end) + try: + return self._expecting > 0 and self._buffer.have(self._expecting) + except UnexpectedEOF: + return True + + def _close(self): + self._connection.close_stream(self._stream_id) + self._buffer.put(b"", True) # send EOF in case we haven't seen it. + + +class BaseQuicConnection: + def __init__( + self, connection, address, port, source=None, source_port=0, manager=None + ): + self._done = False + self._connection = connection + self._address = address + self._port = port + self._closed = False + self._manager = manager + self._streams = {} + self._af = dns.inet.af_for_address(address) + self._peer = dns.inet.low_level_address_tuple((address, port)) + if source is None and source_port != 0: + if self._af == socket.AF_INET: + source = "0.0.0.0" + elif self._af == socket.AF_INET6: + source = "::" + else: + raise NotImplementedError + if source: + self._source = (source, source_port) + else: + self._source = None + + def close_stream(self, stream_id): + del self._streams[stream_id] + + def _get_timer_values(self, closed_is_special=True): + now = time.time() + expiration = self._connection.get_timer() + if expiration is None: + expiration = now + 3600 # arbitrary "big" value + interval = max(expiration - now, 0) + if self._closed and closed_is_special: + # lower sleep interval to avoid a race in the closing process + # which can lead to higher latency closing due to sleeping when + # we have events. + interval = min(interval, 0.05) + return (expiration, interval) + + def _handle_timer(self, expiration): + now = time.time() + if expiration <= now: + self._connection.handle_timer(now) + + +class AsyncQuicConnection(BaseQuicConnection): + async def make_stream(self, timeout: Optional[float] = None) -> Any: + pass + + +class BaseQuicManager: + def __init__(self, conf, verify_mode, connection_factory, server_name=None): + self._connections = {} + self._connection_factory = connection_factory + self._session_tickets = {} + if conf is None: + verify_path = None + if isinstance(verify_mode, str): + verify_path = verify_mode + verify_mode = True + conf = aioquic.quic.configuration.QuicConfiguration( + alpn_protocols=["doq", "doq-i03"], + verify_mode=verify_mode, + server_name=server_name, + ) + if verify_path is not None: + conf.load_verify_locations(verify_path) + self._conf = conf + + def _connect( + self, address, port=853, source=None, source_port=0, want_session_ticket=True + ): + connection = self._connections.get((address, port)) + if connection is not None: + return (connection, False) + conf = self._conf + if want_session_ticket: + try: + session_ticket = self._session_tickets.pop((address, port)) + # We found a session ticket, so make a configuration that uses it. + conf = copy.copy(conf) + conf.session_ticket = session_ticket + except KeyError: + # No session ticket. + pass + # Whether or not we found a session ticket, we want a handler to save + # one. + session_ticket_handler = functools.partial( + self.save_session_ticket, address, port + ) + else: + session_ticket_handler = None + qconn = aioquic.quic.connection.QuicConnection( + configuration=conf, + session_ticket_handler=session_ticket_handler, + ) + lladdress = dns.inet.low_level_address_tuple((address, port)) + qconn.connect(lladdress, time.time()) + connection = self._connection_factory( + qconn, address, port, source, source_port, self + ) + self._connections[(address, port)] = connection + return (connection, True) + + def closed(self, address, port): + try: + del self._connections[(address, port)] + except KeyError: + pass + + def save_session_ticket(self, address, port, ticket): + # We rely on dictionaries keys() being in insertion order here. We + # can't just popitem() as that would be LIFO which is the opposite of + # what we want. + l = len(self._session_tickets) + if l >= MAX_SESSION_TICKETS: + keys_to_delete = list(self._session_tickets.keys())[0:SESSIONS_TO_DELETE] + for key in keys_to_delete: + del self._session_tickets[key] + self._session_tickets[(address, port)] = ticket + + +class AsyncQuicManager(BaseQuicManager): + def connect(self, address, port=853, source=None, source_port=0): + raise NotImplementedError diff --git a/venv/lib/python3.12/site-packages/dns/quic/_sync.py b/venv/lib/python3.12/site-packages/dns/quic/_sync.py new file mode 100644 index 0000000..120cb5f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/quic/_sync.py @@ -0,0 +1,238 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import selectors +import socket +import ssl +import struct +import threading +import time + +import aioquic.quic.configuration # type: ignore +import aioquic.quic.connection # type: ignore +import aioquic.quic.events # type: ignore + +import dns.exception +import dns.inet +from dns.quic._common import ( + QUIC_MAX_DATAGRAM, + BaseQuicConnection, + BaseQuicManager, + BaseQuicStream, + UnexpectedEOF, +) + +# Avoid circularity with dns.query +if hasattr(selectors, "PollSelector"): + _selector_class = selectors.PollSelector # type: ignore +else: + _selector_class = selectors.SelectSelector # type: ignore + + +class SyncQuicStream(BaseQuicStream): + def __init__(self, connection, stream_id): + super().__init__(connection, stream_id) + self._wake_up = threading.Condition() + self._lock = threading.Lock() + + def wait_for(self, amount, expiration): + while True: + timeout = self._timeout_from_expiration(expiration) + with self._lock: + if self._buffer.have(amount): + return + self._expecting = amount + with self._wake_up: + if not self._wake_up.wait(timeout): + raise dns.exception.Timeout + self._expecting = 0 + + def receive(self, timeout=None): + expiration = self._expiration_from_timeout(timeout) + self.wait_for(2, expiration) + with self._lock: + (size,) = struct.unpack("!H", self._buffer.get(2)) + self.wait_for(size, expiration) + with self._lock: + return self._buffer.get(size) + + def send(self, datagram, is_end=False): + data = self._encapsulate(datagram) + self._connection.write(self._stream_id, data, is_end) + + def _add_input(self, data, is_end): + if self._common_add_input(data, is_end): + with self._wake_up: + self._wake_up.notify() + + def close(self): + with self._lock: + self._close() + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + self.close() + with self._wake_up: + self._wake_up.notify() + return False + + +class SyncQuicConnection(BaseQuicConnection): + def __init__(self, connection, address, port, source, source_port, manager): + super().__init__(connection, address, port, source, source_port, manager) + self._socket = socket.socket(self._af, socket.SOCK_DGRAM, 0) + if self._source is not None: + try: + self._socket.bind( + dns.inet.low_level_address_tuple(self._source, self._af) + ) + except Exception: + self._socket.close() + raise + self._socket.connect(self._peer) + (self._send_wakeup, self._receive_wakeup) = socket.socketpair() + self._receive_wakeup.setblocking(False) + self._socket.setblocking(False) + self._handshake_complete = threading.Event() + self._worker_thread = None + self._lock = threading.Lock() + + def _read(self): + count = 0 + while count < 10: + count += 1 + try: + datagram = self._socket.recv(QUIC_MAX_DATAGRAM) + except BlockingIOError: + return + with self._lock: + self._connection.receive_datagram(datagram, self._peer, time.time()) + + def _drain_wakeup(self): + while True: + try: + self._receive_wakeup.recv(32) + except BlockingIOError: + return + + def _worker(self): + try: + sel = _selector_class() + sel.register(self._socket, selectors.EVENT_READ, self._read) + sel.register(self._receive_wakeup, selectors.EVENT_READ, self._drain_wakeup) + while not self._done: + (expiration, interval) = self._get_timer_values(False) + items = sel.select(interval) + for key, _ in items: + key.data() + with self._lock: + self._handle_timer(expiration) + self._handle_events() + with self._lock: + datagrams = self._connection.datagrams_to_send(time.time()) + for datagram, _ in datagrams: + try: + self._socket.send(datagram) + except BlockingIOError: + # we let QUIC handle any lossage + pass + finally: + with self._lock: + self._done = True + # Ensure anyone waiting for this gets woken up. + self._handshake_complete.set() + + def _handle_events(self): + while True: + with self._lock: + event = self._connection.next_event() + if event is None: + return + if isinstance(event, aioquic.quic.events.StreamDataReceived): + with self._lock: + stream = self._streams.get(event.stream_id) + if stream: + stream._add_input(event.data, event.end_stream) + elif isinstance(event, aioquic.quic.events.HandshakeCompleted): + self._handshake_complete.set() + elif isinstance(event, aioquic.quic.events.ConnectionTerminated): + with self._lock: + self._done = True + elif isinstance(event, aioquic.quic.events.StreamReset): + with self._lock: + stream = self._streams.get(event.stream_id) + if stream: + stream._add_input(b"", True) + + def write(self, stream, data, is_end=False): + with self._lock: + self._connection.send_stream_data(stream, data, is_end) + self._send_wakeup.send(b"\x01") + + def run(self): + if self._closed: + return + self._worker_thread = threading.Thread(target=self._worker) + self._worker_thread.start() + + def make_stream(self, timeout=None): + if not self._handshake_complete.wait(timeout): + raise dns.exception.Timeout + with self._lock: + if self._done: + raise UnexpectedEOF + stream_id = self._connection.get_next_available_stream_id(False) + stream = SyncQuicStream(self, stream_id) + self._streams[stream_id] = stream + return stream + + def close_stream(self, stream_id): + with self._lock: + super().close_stream(stream_id) + + def close(self): + with self._lock: + if self._closed: + return + self._manager.closed(self._peer[0], self._peer[1]) + self._closed = True + self._connection.close() + self._send_wakeup.send(b"\x01") + self._worker_thread.join() + + +class SyncQuicManager(BaseQuicManager): + def __init__(self, conf=None, verify_mode=ssl.CERT_REQUIRED, server_name=None): + super().__init__(conf, verify_mode, SyncQuicConnection, server_name) + self._lock = threading.Lock() + + def connect( + self, address, port=853, source=None, source_port=0, want_session_ticket=True + ): + with self._lock: + (connection, start) = self._connect( + address, port, source, source_port, want_session_ticket + ) + if start: + connection.run() + return connection + + def closed(self, address, port): + with self._lock: + super().closed(address, port) + + def save_session_ticket(self, address, port, ticket): + with self._lock: + super().save_session_ticket(address, port, ticket) + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + # Copy the iterator into a list as exiting things will mutate the connections + # table. + connections = list(self._connections.values()) + for connection in connections: + connection.close() + return False diff --git a/venv/lib/python3.12/site-packages/dns/quic/_trio.py b/venv/lib/python3.12/site-packages/dns/quic/_trio.py new file mode 100644 index 0000000..35e36b9 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/quic/_trio.py @@ -0,0 +1,210 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import socket +import ssl +import struct +import time + +import aioquic.quic.configuration # type: ignore +import aioquic.quic.connection # type: ignore +import aioquic.quic.events # type: ignore +import trio + +import dns.exception +import dns.inet +from dns._asyncbackend import NullContext +from dns.quic._common import ( + QUIC_MAX_DATAGRAM, + AsyncQuicConnection, + AsyncQuicManager, + BaseQuicStream, + UnexpectedEOF, +) + + +class TrioQuicStream(BaseQuicStream): + def __init__(self, connection, stream_id): + super().__init__(connection, stream_id) + self._wake_up = trio.Condition() + + async def wait_for(self, amount): + while True: + if self._buffer.have(amount): + return + self._expecting = amount + async with self._wake_up: + await self._wake_up.wait() + self._expecting = 0 + + async def receive(self, timeout=None): + if timeout is None: + context = NullContext(None) + else: + context = trio.move_on_after(timeout) + with context: + await self.wait_for(2) + (size,) = struct.unpack("!H", self._buffer.get(2)) + await self.wait_for(size) + return self._buffer.get(size) + raise dns.exception.Timeout + + async def send(self, datagram, is_end=False): + data = self._encapsulate(datagram) + await self._connection.write(self._stream_id, data, is_end) + + async def _add_input(self, data, is_end): + if self._common_add_input(data, is_end): + async with self._wake_up: + self._wake_up.notify() + + async def close(self): + self._close() + + # Streams are async context managers + + async def __aenter__(self): + return self + + async def __aexit__(self, exc_type, exc_val, exc_tb): + await self.close() + async with self._wake_up: + self._wake_up.notify() + return False + + +class TrioQuicConnection(AsyncQuicConnection): + def __init__(self, connection, address, port, source, source_port, manager=None): + super().__init__(connection, address, port, source, source_port, manager) + self._socket = trio.socket.socket(self._af, socket.SOCK_DGRAM, 0) + self._handshake_complete = trio.Event() + self._run_done = trio.Event() + self._worker_scope = None + self._send_pending = False + + async def _worker(self): + try: + if self._source: + await self._socket.bind( + dns.inet.low_level_address_tuple(self._source, self._af) + ) + await self._socket.connect(self._peer) + while not self._done: + (expiration, interval) = self._get_timer_values(False) + if self._send_pending: + # Do not block forever if sends are pending. Even though we + # have a wake-up mechanism if we've already started the blocking + # read, the possibility of context switching in send means that + # more writes can happen while we have no wake up context, so + # we need self._send_pending to avoid (effectively) a "lost wakeup" + # race. + interval = 0.0 + with trio.CancelScope( + deadline=trio.current_time() + interval + ) as self._worker_scope: + datagram = await self._socket.recv(QUIC_MAX_DATAGRAM) + self._connection.receive_datagram(datagram, self._peer, time.time()) + self._worker_scope = None + self._handle_timer(expiration) + await self._handle_events() + # We clear this now, before sending anything, as sending can cause + # context switches that do more sends. We want to know if that + # happens so we don't block a long time on the recv() above. + self._send_pending = False + datagrams = self._connection.datagrams_to_send(time.time()) + for datagram, _ in datagrams: + await self._socket.send(datagram) + finally: + self._done = True + self._handshake_complete.set() + + async def _handle_events(self): + count = 0 + while True: + event = self._connection.next_event() + if event is None: + return + if isinstance(event, aioquic.quic.events.StreamDataReceived): + stream = self._streams.get(event.stream_id) + if stream: + await stream._add_input(event.data, event.end_stream) + elif isinstance(event, aioquic.quic.events.HandshakeCompleted): + self._handshake_complete.set() + elif isinstance(event, aioquic.quic.events.ConnectionTerminated): + self._done = True + self._socket.close() + elif isinstance(event, aioquic.quic.events.StreamReset): + stream = self._streams.get(event.stream_id) + if stream: + await stream._add_input(b"", True) + count += 1 + if count > 10: + # yield + count = 0 + await trio.sleep(0) + + async def write(self, stream, data, is_end=False): + self._connection.send_stream_data(stream, data, is_end) + self._send_pending = True + if self._worker_scope is not None: + self._worker_scope.cancel() + + async def run(self): + if self._closed: + return + async with trio.open_nursery() as nursery: + nursery.start_soon(self._worker) + self._run_done.set() + + async def make_stream(self, timeout=None): + if timeout is None: + context = NullContext(None) + else: + context = trio.move_on_after(timeout) + with context: + await self._handshake_complete.wait() + if self._done: + raise UnexpectedEOF + stream_id = self._connection.get_next_available_stream_id(False) + stream = TrioQuicStream(self, stream_id) + self._streams[stream_id] = stream + return stream + raise dns.exception.Timeout + + async def close(self): + if not self._closed: + self._manager.closed(self._peer[0], self._peer[1]) + self._closed = True + self._connection.close() + self._send_pending = True + if self._worker_scope is not None: + self._worker_scope.cancel() + await self._run_done.wait() + + +class TrioQuicManager(AsyncQuicManager): + def __init__( + self, nursery, conf=None, verify_mode=ssl.CERT_REQUIRED, server_name=None + ): + super().__init__(conf, verify_mode, TrioQuicConnection, server_name) + self._nursery = nursery + + def connect( + self, address, port=853, source=None, source_port=0, want_session_ticket=True + ): + (connection, start) = self._connect( + address, port, source, source_port, want_session_ticket + ) + if start: + self._nursery.start_soon(connection.run) + return connection + + async def __aenter__(self): + return self + + async def __aexit__(self, exc_type, exc_val, exc_tb): + # Copy the iterator into a list as exiting things will mutate the connections + # table. + connections = list(self._connections.values()) + for connection in connections: + await connection.close() + return False diff --git a/venv/lib/python3.12/site-packages/dns/rcode.py b/venv/lib/python3.12/site-packages/dns/rcode.py new file mode 100644 index 0000000..8e6386f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rcode.py @@ -0,0 +1,168 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Result Codes.""" + +from typing import Tuple + +import dns.enum +import dns.exception + + +class Rcode(dns.enum.IntEnum): + #: No error + NOERROR = 0 + #: Format error + FORMERR = 1 + #: Server failure + SERVFAIL = 2 + #: Name does not exist ("Name Error" in RFC 1025 terminology). + NXDOMAIN = 3 + #: Not implemented + NOTIMP = 4 + #: Refused + REFUSED = 5 + #: Name exists. + YXDOMAIN = 6 + #: RRset exists. + YXRRSET = 7 + #: RRset does not exist. + NXRRSET = 8 + #: Not authoritative. + NOTAUTH = 9 + #: Name not in zone. + NOTZONE = 10 + #: DSO-TYPE Not Implemented + DSOTYPENI = 11 + #: Bad EDNS version. + BADVERS = 16 + #: TSIG Signature Failure + BADSIG = 16 + #: Key not recognized. + BADKEY = 17 + #: Signature out of time window. + BADTIME = 18 + #: Bad TKEY Mode. + BADMODE = 19 + #: Duplicate key name. + BADNAME = 20 + #: Algorithm not supported. + BADALG = 21 + #: Bad Truncation + BADTRUNC = 22 + #: Bad/missing Server Cookie + BADCOOKIE = 23 + + @classmethod + def _maximum(cls): + return 4095 + + @classmethod + def _unknown_exception_class(cls): + return UnknownRcode + + +class UnknownRcode(dns.exception.DNSException): + """A DNS rcode is unknown.""" + + +def from_text(text: str) -> Rcode: + """Convert text into an rcode. + + *text*, a ``str``, the textual rcode or an integer in textual form. + + Raises ``dns.rcode.UnknownRcode`` if the rcode mnemonic is unknown. + + Returns a ``dns.rcode.Rcode``. + """ + + return Rcode.from_text(text) + + +def from_flags(flags: int, ednsflags: int) -> Rcode: + """Return the rcode value encoded by flags and ednsflags. + + *flags*, an ``int``, the DNS flags field. + + *ednsflags*, an ``int``, the EDNS flags field. + + Raises ``ValueError`` if rcode is < 0 or > 4095 + + Returns a ``dns.rcode.Rcode``. + """ + + value = (flags & 0x000F) | ((ednsflags >> 20) & 0xFF0) + return Rcode.make(value) + + +def to_flags(value: Rcode) -> Tuple[int, int]: + """Return a (flags, ednsflags) tuple which encodes the rcode. + + *value*, a ``dns.rcode.Rcode``, the rcode. + + Raises ``ValueError`` if rcode is < 0 or > 4095. + + Returns an ``(int, int)`` tuple. + """ + + if value < 0 or value > 4095: + raise ValueError("rcode must be >= 0 and <= 4095") + v = value & 0xF + ev = (value & 0xFF0) << 20 + return (v, ev) + + +def to_text(value: Rcode, tsig: bool = False) -> str: + """Convert rcode into text. + + *value*, a ``dns.rcode.Rcode``, the rcode. + + Raises ``ValueError`` if rcode is < 0 or > 4095. + + Returns a ``str``. + """ + + if tsig and value == Rcode.BADVERS: + return "BADSIG" + return Rcode.to_text(value) + + +### BEGIN generated Rcode constants + +NOERROR = Rcode.NOERROR +FORMERR = Rcode.FORMERR +SERVFAIL = Rcode.SERVFAIL +NXDOMAIN = Rcode.NXDOMAIN +NOTIMP = Rcode.NOTIMP +REFUSED = Rcode.REFUSED +YXDOMAIN = Rcode.YXDOMAIN +YXRRSET = Rcode.YXRRSET +NXRRSET = Rcode.NXRRSET +NOTAUTH = Rcode.NOTAUTH +NOTZONE = Rcode.NOTZONE +DSOTYPENI = Rcode.DSOTYPENI +BADVERS = Rcode.BADVERS +BADSIG = Rcode.BADSIG +BADKEY = Rcode.BADKEY +BADTIME = Rcode.BADTIME +BADMODE = Rcode.BADMODE +BADNAME = Rcode.BADNAME +BADALG = Rcode.BADALG +BADTRUNC = Rcode.BADTRUNC +BADCOOKIE = Rcode.BADCOOKIE + +### END generated Rcode constants diff --git a/venv/lib/python3.12/site-packages/dns/rdata.py b/venv/lib/python3.12/site-packages/dns/rdata.py new file mode 100644 index 0000000..024fd8f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdata.py @@ -0,0 +1,884 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS rdata.""" + +import base64 +import binascii +import inspect +import io +import itertools +import random +from importlib import import_module +from typing import Any, Dict, Optional, Tuple, Union + +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.ipv6 +import dns.name +import dns.rdataclass +import dns.rdatatype +import dns.tokenizer +import dns.ttl +import dns.wire + +_chunksize = 32 + +# We currently allow comparisons for rdata with relative names for backwards +# compatibility, but in the future we will not, as these kinds of comparisons +# can lead to subtle bugs if code is not carefully written. +# +# This switch allows the future behavior to be turned on so code can be +# tested with it. +_allow_relative_comparisons = True + + +class NoRelativeRdataOrdering(dns.exception.DNSException): + """An attempt was made to do an ordered comparison of one or more + rdata with relative names. The only reliable way of sorting rdata + is to use non-relativized rdata. + + """ + + +def _wordbreak(data, chunksize=_chunksize, separator=b" "): + """Break a binary string into chunks of chunksize characters separated by + a space. + """ + + if not chunksize: + return data.decode() + return separator.join( + [data[i : i + chunksize] for i in range(0, len(data), chunksize)] + ).decode() + + +# pylint: disable=unused-argument + + +def _hexify(data, chunksize=_chunksize, separator=b" ", **kw): + """Convert a binary string into its hex encoding, broken up into chunks + of chunksize characters separated by a separator. + """ + + return _wordbreak(binascii.hexlify(data), chunksize, separator) + + +def _base64ify(data, chunksize=_chunksize, separator=b" ", **kw): + """Convert a binary string into its base64 encoding, broken up into chunks + of chunksize characters separated by a separator. + """ + + return _wordbreak(base64.b64encode(data), chunksize, separator) + + +# pylint: enable=unused-argument + +__escaped = b'"\\' + + +def _escapify(qstring): + """Escape the characters in a quoted string which need it.""" + + if isinstance(qstring, str): + qstring = qstring.encode() + if not isinstance(qstring, bytearray): + qstring = bytearray(qstring) + + text = "" + for c in qstring: + if c in __escaped: + text += "\\" + chr(c) + elif c >= 0x20 and c < 0x7F: + text += chr(c) + else: + text += "\\%03d" % c + return text + + +def _truncate_bitmap(what): + """Determine the index of greatest byte that isn't all zeros, and + return the bitmap that contains all the bytes less than that index. + """ + + for i in range(len(what) - 1, -1, -1): + if what[i] != 0: + return what[0 : i + 1] + return what[0:1] + + +# So we don't have to edit all the rdata classes... +_constify = dns.immutable.constify + + +@dns.immutable.immutable +class Rdata: + """Base class for all DNS rdata types.""" + + __slots__ = ["rdclass", "rdtype", "rdcomment"] + + def __init__(self, rdclass, rdtype): + """Initialize an rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + """ + + self.rdclass = self._as_rdataclass(rdclass) + self.rdtype = self._as_rdatatype(rdtype) + self.rdcomment = None + + def _get_all_slots(self): + return itertools.chain.from_iterable( + getattr(cls, "__slots__", []) for cls in self.__class__.__mro__ + ) + + def __getstate__(self): + # We used to try to do a tuple of all slots here, but it + # doesn't work as self._all_slots isn't available at + # __setstate__() time. Before that we tried to store a tuple + # of __slots__, but that didn't work as it didn't store the + # slots defined by ancestors. This older way didn't fail + # outright, but ended up with partially broken objects, e.g. + # if you unpickled an A RR it wouldn't have rdclass and rdtype + # attributes, and would compare badly. + state = {} + for slot in self._get_all_slots(): + state[slot] = getattr(self, slot) + return state + + def __setstate__(self, state): + for slot, val in state.items(): + object.__setattr__(self, slot, val) + if not hasattr(self, "rdcomment"): + # Pickled rdata from 2.0.x might not have a rdcomment, so add + # it if needed. + object.__setattr__(self, "rdcomment", None) + + def covers(self) -> dns.rdatatype.RdataType: + """Return the type a Rdata covers. + + DNS SIG/RRSIG rdatas apply to a specific type; this type is + returned by the covers() function. If the rdata type is not + SIG or RRSIG, dns.rdatatype.NONE is returned. This is useful when + creating rdatasets, allowing the rdataset to contain only RRSIGs + of a particular type, e.g. RRSIG(NS). + + Returns a ``dns.rdatatype.RdataType``. + """ + + return dns.rdatatype.NONE + + def extended_rdatatype(self) -> int: + """Return a 32-bit type value, the least significant 16 bits of + which are the ordinary DNS type, and the upper 16 bits of which are + the "covered" type, if any. + + Returns an ``int``. + """ + + return self.covers() << 16 | self.rdtype + + def to_text( + self, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + **kw: Dict[str, Any], + ) -> str: + """Convert an rdata to text format. + + Returns a ``str``. + """ + + raise NotImplementedError # pragma: no cover + + def _to_wire( + self, + file: Optional[Any], + compress: Optional[dns.name.CompressType] = None, + origin: Optional[dns.name.Name] = None, + canonicalize: bool = False, + ) -> bytes: + raise NotImplementedError # pragma: no cover + + def to_wire( + self, + file: Optional[Any] = None, + compress: Optional[dns.name.CompressType] = None, + origin: Optional[dns.name.Name] = None, + canonicalize: bool = False, + ) -> bytes: + """Convert an rdata to wire format. + + Returns a ``bytes`` or ``None``. + """ + + if file: + return self._to_wire(file, compress, origin, canonicalize) + else: + f = io.BytesIO() + self._to_wire(f, compress, origin, canonicalize) + return f.getvalue() + + def to_generic( + self, origin: Optional[dns.name.Name] = None + ) -> "dns.rdata.GenericRdata": + """Creates a dns.rdata.GenericRdata equivalent of this rdata. + + Returns a ``dns.rdata.GenericRdata``. + """ + return dns.rdata.GenericRdata( + self.rdclass, self.rdtype, self.to_wire(origin=origin) + ) + + def to_digestable(self, origin: Optional[dns.name.Name] = None) -> bytes: + """Convert rdata to a format suitable for digesting in hashes. This + is also the DNSSEC canonical form. + + Returns a ``bytes``. + """ + + return self.to_wire(origin=origin, canonicalize=True) + + def __repr__(self): + covers = self.covers() + if covers == dns.rdatatype.NONE: + ctext = "" + else: + ctext = "(" + dns.rdatatype.to_text(covers) + ")" + return ( + "" + ) + + def __str__(self): + return self.to_text() + + def _cmp(self, other): + """Compare an rdata with another rdata of the same rdtype and + rdclass. + + For rdata with only absolute names: + Return < 0 if self < other in the DNSSEC ordering, 0 if self + == other, and > 0 if self > other. + For rdata with at least one relative names: + The rdata sorts before any rdata with only absolute names. + When compared with another relative rdata, all names are + made absolute as if they were relative to the root, as the + proper origin is not available. While this creates a stable + ordering, it is NOT guaranteed to be the DNSSEC ordering. + In the future, all ordering comparisons for rdata with + relative names will be disallowed. + """ + try: + our = self.to_digestable() + our_relative = False + except dns.name.NeedAbsoluteNameOrOrigin: + if _allow_relative_comparisons: + our = self.to_digestable(dns.name.root) + our_relative = True + try: + their = other.to_digestable() + their_relative = False + except dns.name.NeedAbsoluteNameOrOrigin: + if _allow_relative_comparisons: + their = other.to_digestable(dns.name.root) + their_relative = True + if _allow_relative_comparisons: + if our_relative != their_relative: + # For the purpose of comparison, all rdata with at least one + # relative name is less than an rdata with only absolute names. + if our_relative: + return -1 + else: + return 1 + elif our_relative or their_relative: + raise NoRelativeRdataOrdering + if our == their: + return 0 + elif our > their: + return 1 + else: + return -1 + + def __eq__(self, other): + if not isinstance(other, Rdata): + return False + if self.rdclass != other.rdclass or self.rdtype != other.rdtype: + return False + our_relative = False + their_relative = False + try: + our = self.to_digestable() + except dns.name.NeedAbsoluteNameOrOrigin: + our = self.to_digestable(dns.name.root) + our_relative = True + try: + their = other.to_digestable() + except dns.name.NeedAbsoluteNameOrOrigin: + their = other.to_digestable(dns.name.root) + their_relative = True + if our_relative != their_relative: + return False + return our == their + + def __ne__(self, other): + if not isinstance(other, Rdata): + return True + if self.rdclass != other.rdclass or self.rdtype != other.rdtype: + return True + return not self.__eq__(other) + + def __lt__(self, other): + if ( + not isinstance(other, Rdata) + or self.rdclass != other.rdclass + or self.rdtype != other.rdtype + ): + return NotImplemented + return self._cmp(other) < 0 + + def __le__(self, other): + if ( + not isinstance(other, Rdata) + or self.rdclass != other.rdclass + or self.rdtype != other.rdtype + ): + return NotImplemented + return self._cmp(other) <= 0 + + def __ge__(self, other): + if ( + not isinstance(other, Rdata) + or self.rdclass != other.rdclass + or self.rdtype != other.rdtype + ): + return NotImplemented + return self._cmp(other) >= 0 + + def __gt__(self, other): + if ( + not isinstance(other, Rdata) + or self.rdclass != other.rdclass + or self.rdtype != other.rdtype + ): + return NotImplemented + return self._cmp(other) > 0 + + def __hash__(self): + return hash(self.to_digestable(dns.name.root)) + + @classmethod + def from_text( + cls, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + tok: dns.tokenizer.Tokenizer, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + relativize_to: Optional[dns.name.Name] = None, + ) -> "Rdata": + raise NotImplementedError # pragma: no cover + + @classmethod + def from_wire_parser( + cls, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + parser: dns.wire.Parser, + origin: Optional[dns.name.Name] = None, + ) -> "Rdata": + raise NotImplementedError # pragma: no cover + + def replace(self, **kwargs: Any) -> "Rdata": + """ + Create a new Rdata instance based on the instance replace was + invoked on. It is possible to pass different parameters to + override the corresponding properties of the base Rdata. + + Any field specific to the Rdata type can be replaced, but the + *rdtype* and *rdclass* fields cannot. + + Returns an instance of the same Rdata subclass as *self*. + """ + + # Get the constructor parameters. + parameters = inspect.signature(self.__init__).parameters # type: ignore + + # Ensure that all of the arguments correspond to valid fields. + # Don't allow rdclass or rdtype to be changed, though. + for key in kwargs: + if key == "rdcomment": + continue + if key not in parameters: + raise AttributeError( + "'{}' object has no attribute '{}'".format( + self.__class__.__name__, key + ) + ) + if key in ("rdclass", "rdtype"): + raise AttributeError( + "Cannot overwrite '{}' attribute '{}'".format( + self.__class__.__name__, key + ) + ) + + # Construct the parameter list. For each field, use the value in + # kwargs if present, and the current value otherwise. + args = (kwargs.get(key, getattr(self, key)) for key in parameters) + + # Create, validate, and return the new object. + rd = self.__class__(*args) + # The comment is not set in the constructor, so give it special + # handling. + rdcomment = kwargs.get("rdcomment", self.rdcomment) + if rdcomment is not None: + object.__setattr__(rd, "rdcomment", rdcomment) + return rd + + # Type checking and conversion helpers. These are class methods as + # they don't touch object state and may be useful to others. + + @classmethod + def _as_rdataclass(cls, value): + return dns.rdataclass.RdataClass.make(value) + + @classmethod + def _as_rdatatype(cls, value): + return dns.rdatatype.RdataType.make(value) + + @classmethod + def _as_bytes( + cls, + value: Any, + encode: bool = False, + max_length: Optional[int] = None, + empty_ok: bool = True, + ) -> bytes: + if encode and isinstance(value, str): + bvalue = value.encode() + elif isinstance(value, bytearray): + bvalue = bytes(value) + elif isinstance(value, bytes): + bvalue = value + else: + raise ValueError("not bytes") + if max_length is not None and len(bvalue) > max_length: + raise ValueError("too long") + if not empty_ok and len(bvalue) == 0: + raise ValueError("empty bytes not allowed") + return bvalue + + @classmethod + def _as_name(cls, value): + # Note that proper name conversion (e.g. with origin and IDNA + # awareness) is expected to be done via from_text. This is just + # a simple thing for people invoking the constructor directly. + if isinstance(value, str): + return dns.name.from_text(value) + elif not isinstance(value, dns.name.Name): + raise ValueError("not a name") + return value + + @classmethod + def _as_uint8(cls, value): + if not isinstance(value, int): + raise ValueError("not an integer") + if value < 0 or value > 255: + raise ValueError("not a uint8") + return value + + @classmethod + def _as_uint16(cls, value): + if not isinstance(value, int): + raise ValueError("not an integer") + if value < 0 or value > 65535: + raise ValueError("not a uint16") + return value + + @classmethod + def _as_uint32(cls, value): + if not isinstance(value, int): + raise ValueError("not an integer") + if value < 0 or value > 4294967295: + raise ValueError("not a uint32") + return value + + @classmethod + def _as_uint48(cls, value): + if not isinstance(value, int): + raise ValueError("not an integer") + if value < 0 or value > 281474976710655: + raise ValueError("not a uint48") + return value + + @classmethod + def _as_int(cls, value, low=None, high=None): + if not isinstance(value, int): + raise ValueError("not an integer") + if low is not None and value < low: + raise ValueError("value too small") + if high is not None and value > high: + raise ValueError("value too large") + return value + + @classmethod + def _as_ipv4_address(cls, value): + if isinstance(value, str): + return dns.ipv4.canonicalize(value) + elif isinstance(value, bytes): + return dns.ipv4.inet_ntoa(value) + else: + raise ValueError("not an IPv4 address") + + @classmethod + def _as_ipv6_address(cls, value): + if isinstance(value, str): + return dns.ipv6.canonicalize(value) + elif isinstance(value, bytes): + return dns.ipv6.inet_ntoa(value) + else: + raise ValueError("not an IPv6 address") + + @classmethod + def _as_bool(cls, value): + if isinstance(value, bool): + return value + else: + raise ValueError("not a boolean") + + @classmethod + def _as_ttl(cls, value): + if isinstance(value, int): + return cls._as_int(value, 0, dns.ttl.MAX_TTL) + elif isinstance(value, str): + return dns.ttl.from_text(value) + else: + raise ValueError("not a TTL") + + @classmethod + def _as_tuple(cls, value, as_value): + try: + # For user convenience, if value is a singleton of the list + # element type, wrap it in a tuple. + return (as_value(value),) + except Exception: + # Otherwise, check each element of the iterable *value* + # against *as_value*. + return tuple(as_value(v) for v in value) + + # Processing order + + @classmethod + def _processing_order(cls, iterable): + items = list(iterable) + random.shuffle(items) + return items + + +@dns.immutable.immutable +class GenericRdata(Rdata): + """Generic Rdata Class + + This class is used for rdata types for which we have no better + implementation. It implements the DNS "unknown RRs" scheme. + """ + + __slots__ = ["data"] + + def __init__(self, rdclass, rdtype, data): + super().__init__(rdclass, rdtype) + self.data = data + + def to_text( + self, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + **kw: Dict[str, Any], + ) -> str: + return r"\# %d " % len(self.data) + _hexify(self.data, **kw) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + token = tok.get() + if not token.is_identifier() or token.value != r"\#": + raise dns.exception.SyntaxError(r"generic rdata does not start with \#") + length = tok.get_int() + hex = tok.concatenate_remaining_identifiers(True).encode() + data = binascii.unhexlify(hex) + if len(data) != length: + raise dns.exception.SyntaxError("generic rdata hex data has wrong length") + return cls(rdclass, rdtype, data) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.data) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + return cls(rdclass, rdtype, parser.get_remaining()) + + +_rdata_classes: Dict[Tuple[dns.rdataclass.RdataClass, dns.rdatatype.RdataType], Any] = ( + {} +) +_module_prefix = "dns.rdtypes" + + +def get_rdata_class(rdclass, rdtype): + cls = _rdata_classes.get((rdclass, rdtype)) + if not cls: + cls = _rdata_classes.get((dns.rdatatype.ANY, rdtype)) + if not cls: + rdclass_text = dns.rdataclass.to_text(rdclass) + rdtype_text = dns.rdatatype.to_text(rdtype) + rdtype_text = rdtype_text.replace("-", "_") + try: + mod = import_module( + ".".join([_module_prefix, rdclass_text, rdtype_text]) + ) + cls = getattr(mod, rdtype_text) + _rdata_classes[(rdclass, rdtype)] = cls + except ImportError: + try: + mod = import_module(".".join([_module_prefix, "ANY", rdtype_text])) + cls = getattr(mod, rdtype_text) + _rdata_classes[(dns.rdataclass.ANY, rdtype)] = cls + _rdata_classes[(rdclass, rdtype)] = cls + except ImportError: + pass + if not cls: + cls = GenericRdata + _rdata_classes[(rdclass, rdtype)] = cls + return cls + + +def from_text( + rdclass: Union[dns.rdataclass.RdataClass, str], + rdtype: Union[dns.rdatatype.RdataType, str], + tok: Union[dns.tokenizer.Tokenizer, str], + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + relativize_to: Optional[dns.name.Name] = None, + idna_codec: Optional[dns.name.IDNACodec] = None, +) -> Rdata: + """Build an rdata object from text format. + + This function attempts to dynamically load a class which + implements the specified rdata class and type. If there is no + class-and-type-specific implementation, the GenericRdata class + is used. + + Once a class is chosen, its from_text() class method is called + with the parameters to this function. + + If *tok* is a ``str``, then a tokenizer is created and the string + is used as its input. + + *rdclass*, a ``dns.rdataclass.RdataClass`` or ``str``, the rdataclass. + + *rdtype*, a ``dns.rdatatype.RdataType`` or ``str``, the rdatatype. + + *tok*, a ``dns.tokenizer.Tokenizer`` or a ``str``. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use if a tokenizer needs to be created. If + ``None``, the default IDNA 2003 encoder/decoder is used. If a + tokenizer is not created, then the codec associated with the tokenizer + is the one that is used. + + Returns an instance of the chosen Rdata subclass. + + """ + if isinstance(tok, str): + tok = dns.tokenizer.Tokenizer(tok, idna_codec=idna_codec) + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + cls = get_rdata_class(rdclass, rdtype) + with dns.exception.ExceptionWrapper(dns.exception.SyntaxError): + rdata = None + if cls != GenericRdata: + # peek at first token + token = tok.get() + tok.unget(token) + if token.is_identifier() and token.value == r"\#": + # + # Known type using the generic syntax. Extract the + # wire form from the generic syntax, and then run + # from_wire on it. + # + grdata = GenericRdata.from_text( + rdclass, rdtype, tok, origin, relativize, relativize_to + ) + rdata = from_wire( + rdclass, rdtype, grdata.data, 0, len(grdata.data), origin + ) + # + # If this comparison isn't equal, then there must have been + # compressed names in the wire format, which is an error, + # there being no reasonable context to decompress with. + # + rwire = rdata.to_wire() + if rwire != grdata.data: + raise dns.exception.SyntaxError( + "compressed data in " + "generic syntax form " + "of known rdatatype" + ) + if rdata is None: + rdata = cls.from_text( + rdclass, rdtype, tok, origin, relativize, relativize_to + ) + token = tok.get_eol_as_token() + if token.comment is not None: + object.__setattr__(rdata, "rdcomment", token.comment) + return rdata + + +def from_wire_parser( + rdclass: Union[dns.rdataclass.RdataClass, str], + rdtype: Union[dns.rdatatype.RdataType, str], + parser: dns.wire.Parser, + origin: Optional[dns.name.Name] = None, +) -> Rdata: + """Build an rdata object from wire format + + This function attempts to dynamically load a class which + implements the specified rdata class and type. If there is no + class-and-type-specific implementation, the GenericRdata class + is used. + + Once a class is chosen, its from_wire() class method is called + with the parameters to this function. + + *rdclass*, a ``dns.rdataclass.RdataClass`` or ``str``, the rdataclass. + + *rdtype*, a ``dns.rdatatype.RdataType`` or ``str``, the rdatatype. + + *parser*, a ``dns.wire.Parser``, the parser, which should be + restricted to the rdata length. + + *origin*, a ``dns.name.Name`` (or ``None``). If not ``None``, + then names will be relativized to this origin. + + Returns an instance of the chosen Rdata subclass. + """ + + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + cls = get_rdata_class(rdclass, rdtype) + with dns.exception.ExceptionWrapper(dns.exception.FormError): + return cls.from_wire_parser(rdclass, rdtype, parser, origin) + + +def from_wire( + rdclass: Union[dns.rdataclass.RdataClass, str], + rdtype: Union[dns.rdatatype.RdataType, str], + wire: bytes, + current: int, + rdlen: int, + origin: Optional[dns.name.Name] = None, +) -> Rdata: + """Build an rdata object from wire format + + This function attempts to dynamically load a class which + implements the specified rdata class and type. If there is no + class-and-type-specific implementation, the GenericRdata class + is used. + + Once a class is chosen, its from_wire() class method is called + with the parameters to this function. + + *rdclass*, an ``int``, the rdataclass. + + *rdtype*, an ``int``, the rdatatype. + + *wire*, a ``bytes``, the wire-format message. + + *current*, an ``int``, the offset in wire of the beginning of + the rdata. + + *rdlen*, an ``int``, the length of the wire-format rdata + + *origin*, a ``dns.name.Name`` (or ``None``). If not ``None``, + then names will be relativized to this origin. + + Returns an instance of the chosen Rdata subclass. + """ + parser = dns.wire.Parser(wire, current) + with parser.restrict_to(rdlen): + return from_wire_parser(rdclass, rdtype, parser, origin) + + +class RdatatypeExists(dns.exception.DNSException): + """DNS rdatatype already exists.""" + + supp_kwargs = {"rdclass", "rdtype"} + fmt = ( + "The rdata type with class {rdclass:d} and rdtype {rdtype:d} " + + "already exists." + ) + + +def register_type( + implementation: Any, + rdtype: int, + rdtype_text: str, + is_singleton: bool = False, + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, +) -> None: + """Dynamically register a module to handle an rdatatype. + + *implementation*, a module implementing the type in the usual dnspython + way. + + *rdtype*, an ``int``, the rdatatype to register. + + *rdtype_text*, a ``str``, the textual form of the rdatatype. + + *is_singleton*, a ``bool``, indicating if the type is a singleton (i.e. + RRsets of the type can have only one member.) + + *rdclass*, the rdataclass of the type, or ``dns.rdataclass.ANY`` if + it applies to all classes. + """ + + rdtype = dns.rdatatype.RdataType.make(rdtype) + existing_cls = get_rdata_class(rdclass, rdtype) + if existing_cls != GenericRdata or dns.rdatatype.is_metatype(rdtype): + raise RdatatypeExists(rdclass=rdclass, rdtype=rdtype) + _rdata_classes[(rdclass, rdtype)] = getattr( + implementation, rdtype_text.replace("-", "_") + ) + dns.rdatatype.register_type(rdtype, rdtype_text, is_singleton) diff --git a/venv/lib/python3.12/site-packages/dns/rdataclass.py b/venv/lib/python3.12/site-packages/dns/rdataclass.py new file mode 100644 index 0000000..89b85a7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdataclass.py @@ -0,0 +1,118 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Rdata Classes.""" + +import dns.enum +import dns.exception + + +class RdataClass(dns.enum.IntEnum): + """DNS Rdata Class""" + + RESERVED0 = 0 + IN = 1 + INTERNET = IN + CH = 3 + CHAOS = CH + HS = 4 + HESIOD = HS + NONE = 254 + ANY = 255 + + @classmethod + def _maximum(cls): + return 65535 + + @classmethod + def _short_name(cls): + return "class" + + @classmethod + def _prefix(cls): + return "CLASS" + + @classmethod + def _unknown_exception_class(cls): + return UnknownRdataclass + + +_metaclasses = {RdataClass.NONE, RdataClass.ANY} + + +class UnknownRdataclass(dns.exception.DNSException): + """A DNS class is unknown.""" + + +def from_text(text: str) -> RdataClass: + """Convert text into a DNS rdata class value. + + The input text can be a defined DNS RR class mnemonic or + instance of the DNS generic class syntax. + + For example, "IN" and "CLASS1" will both result in a value of 1. + + Raises ``dns.rdatatype.UnknownRdataclass`` if the class is unknown. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns a ``dns.rdataclass.RdataClass``. + """ + + return RdataClass.from_text(text) + + +def to_text(value: RdataClass) -> str: + """Convert a DNS rdata class value to text. + + If the value has a known mnemonic, it will be used, otherwise the + DNS generic class syntax will be used. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns a ``str``. + """ + + return RdataClass.to_text(value) + + +def is_metaclass(rdclass: RdataClass) -> bool: + """True if the specified class is a metaclass. + + The currently defined metaclasses are ANY and NONE. + + *rdclass* is a ``dns.rdataclass.RdataClass``. + """ + + if rdclass in _metaclasses: + return True + return False + + +### BEGIN generated RdataClass constants + +RESERVED0 = RdataClass.RESERVED0 +IN = RdataClass.IN +INTERNET = RdataClass.INTERNET +CH = RdataClass.CH +CHAOS = RdataClass.CHAOS +HS = RdataClass.HS +HESIOD = RdataClass.HESIOD +NONE = RdataClass.NONE +ANY = RdataClass.ANY + +### END generated RdataClass constants diff --git a/venv/lib/python3.12/site-packages/dns/rdataset.py b/venv/lib/python3.12/site-packages/dns/rdataset.py new file mode 100644 index 0000000..8bff58d --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdataset.py @@ -0,0 +1,516 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS rdatasets (an rdataset is a set of rdatas of a given type and class)""" + +import io +import random +import struct +from typing import Any, Collection, Dict, List, Optional, Union, cast + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdataclass +import dns.rdatatype +import dns.renderer +import dns.set +import dns.ttl + +# define SimpleSet here for backwards compatibility +SimpleSet = dns.set.Set + + +class DifferingCovers(dns.exception.DNSException): + """An attempt was made to add a DNS SIG/RRSIG whose covered type + is not the same as that of the other rdatas in the rdataset.""" + + +class IncompatibleTypes(dns.exception.DNSException): + """An attempt was made to add DNS RR data of an incompatible type.""" + + +class Rdataset(dns.set.Set): + """A DNS rdataset.""" + + __slots__ = ["rdclass", "rdtype", "covers", "ttl"] + + def __init__( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + ttl: int = 0, + ): + """Create a new rdataset of the specified class and type. + + *rdclass*, a ``dns.rdataclass.RdataClass``, the rdataclass. + + *rdtype*, an ``dns.rdatatype.RdataType``, the rdatatype. + + *covers*, an ``dns.rdatatype.RdataType``, the covered rdatatype. + + *ttl*, an ``int``, the TTL. + """ + + super().__init__() + self.rdclass = rdclass + self.rdtype: dns.rdatatype.RdataType = rdtype + self.covers: dns.rdatatype.RdataType = covers + self.ttl = ttl + + def _clone(self): + obj = super()._clone() + obj.rdclass = self.rdclass + obj.rdtype = self.rdtype + obj.covers = self.covers + obj.ttl = self.ttl + return obj + + def update_ttl(self, ttl: int) -> None: + """Perform TTL minimization. + + Set the TTL of the rdataset to be the lesser of the set's current + TTL or the specified TTL. If the set contains no rdatas, set the TTL + to the specified TTL. + + *ttl*, an ``int`` or ``str``. + """ + ttl = dns.ttl.make(ttl) + if len(self) == 0: + self.ttl = ttl + elif ttl < self.ttl: + self.ttl = ttl + + def add( # pylint: disable=arguments-differ,arguments-renamed + self, rd: dns.rdata.Rdata, ttl: Optional[int] = None + ) -> None: + """Add the specified rdata to the rdataset. + + If the optional *ttl* parameter is supplied, then + ``self.update_ttl(ttl)`` will be called prior to adding the rdata. + + *rd*, a ``dns.rdata.Rdata``, the rdata + + *ttl*, an ``int``, the TTL. + + Raises ``dns.rdataset.IncompatibleTypes`` if the type and class + do not match the type and class of the rdataset. + + Raises ``dns.rdataset.DifferingCovers`` if the type is a signature + type and the covered type does not match that of the rdataset. + """ + + # + # If we're adding a signature, do some special handling to + # check that the signature covers the same type as the + # other rdatas in this rdataset. If this is the first rdata + # in the set, initialize the covers field. + # + if self.rdclass != rd.rdclass or self.rdtype != rd.rdtype: + raise IncompatibleTypes + if ttl is not None: + self.update_ttl(ttl) + if self.rdtype == dns.rdatatype.RRSIG or self.rdtype == dns.rdatatype.SIG: + covers = rd.covers() + if len(self) == 0 and self.covers == dns.rdatatype.NONE: + self.covers = covers + elif self.covers != covers: + raise DifferingCovers + if dns.rdatatype.is_singleton(rd.rdtype) and len(self) > 0: + self.clear() + super().add(rd) + + def union_update(self, other): + self.update_ttl(other.ttl) + super().union_update(other) + + def intersection_update(self, other): + self.update_ttl(other.ttl) + super().intersection_update(other) + + def update(self, other): + """Add all rdatas in other to self. + + *other*, a ``dns.rdataset.Rdataset``, the rdataset from which + to update. + """ + + self.update_ttl(other.ttl) + super().update(other) + + def _rdata_repr(self): + def maybe_truncate(s): + if len(s) > 100: + return s[:100] + "..." + return s + + return "[%s]" % ", ".join("<%s>" % maybe_truncate(str(rr)) for rr in self) + + def __repr__(self): + if self.covers == 0: + ctext = "" + else: + ctext = "(" + dns.rdatatype.to_text(self.covers) + ")" + return ( + "" + ) + + def __str__(self): + return self.to_text() + + def __eq__(self, other): + if not isinstance(other, Rdataset): + return False + if ( + self.rdclass != other.rdclass + or self.rdtype != other.rdtype + or self.covers != other.covers + ): + return False + return super().__eq__(other) + + def __ne__(self, other): + return not self.__eq__(other) + + def to_text( + self, + name: Optional[dns.name.Name] = None, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + override_rdclass: Optional[dns.rdataclass.RdataClass] = None, + want_comments: bool = False, + **kw: Dict[str, Any], + ) -> str: + """Convert the rdataset into DNS zone file format. + + See ``dns.name.Name.choose_relativity`` for more information + on how *origin* and *relativize* determine the way names + are emitted. + + Any additional keyword arguments are passed on to the rdata + ``to_text()`` method. + + *name*, a ``dns.name.Name``. If name is not ``None``, emit RRs with + *name* as the owner name. + + *origin*, a ``dns.name.Name`` or ``None``, the origin for relative + names. + + *relativize*, a ``bool``. If ``True``, names will be relativized + to *origin*. + + *override_rdclass*, a ``dns.rdataclass.RdataClass`` or ``None``. + If not ``None``, use this class instead of the Rdataset's class. + + *want_comments*, a ``bool``. If ``True``, emit comments for rdata + which have them. The default is ``False``. + """ + + if name is not None: + name = name.choose_relativity(origin, relativize) + ntext = str(name) + pad = " " + else: + ntext = "" + pad = "" + s = io.StringIO() + if override_rdclass is not None: + rdclass = override_rdclass + else: + rdclass = self.rdclass + if len(self) == 0: + # + # Empty rdatasets are used for the question section, and in + # some dynamic updates, so we don't need to print out the TTL + # (which is meaningless anyway). + # + s.write( + "{}{}{} {}\n".format( + ntext, + pad, + dns.rdataclass.to_text(rdclass), + dns.rdatatype.to_text(self.rdtype), + ) + ) + else: + for rd in self: + extra = "" + if want_comments: + if rd.rdcomment: + extra = f" ;{rd.rdcomment}" + s.write( + "%s%s%d %s %s %s%s\n" + % ( + ntext, + pad, + self.ttl, + dns.rdataclass.to_text(rdclass), + dns.rdatatype.to_text(self.rdtype), + rd.to_text(origin=origin, relativize=relativize, **kw), + extra, + ) + ) + # + # We strip off the final \n for the caller's convenience in printing + # + return s.getvalue()[:-1] + + def to_wire( + self, + name: dns.name.Name, + file: Any, + compress: Optional[dns.name.CompressType] = None, + origin: Optional[dns.name.Name] = None, + override_rdclass: Optional[dns.rdataclass.RdataClass] = None, + want_shuffle: bool = True, + ) -> int: + """Convert the rdataset to wire format. + + *name*, a ``dns.name.Name`` is the owner name to use. + + *file* is the file where the name is emitted (typically a + BytesIO file). + + *compress*, a ``dict``, is the compression table to use. If + ``None`` (the default), names will not be compressed. + + *origin* is a ``dns.name.Name`` or ``None``. If the name is + relative and origin is not ``None``, then *origin* will be appended + to it. + + *override_rdclass*, an ``int``, is used as the class instead of the + class of the rdataset. This is useful when rendering rdatasets + associated with dynamic updates. + + *want_shuffle*, a ``bool``. If ``True``, then the order of the + Rdatas within the Rdataset will be shuffled before rendering. + + Returns an ``int``, the number of records emitted. + """ + + if override_rdclass is not None: + rdclass = override_rdclass + want_shuffle = False + else: + rdclass = self.rdclass + if len(self) == 0: + name.to_wire(file, compress, origin) + file.write(struct.pack("!HHIH", self.rdtype, rdclass, 0, 0)) + return 1 + else: + l: Union[Rdataset, List[dns.rdata.Rdata]] + if want_shuffle: + l = list(self) + random.shuffle(l) + else: + l = self + for rd in l: + name.to_wire(file, compress, origin) + file.write(struct.pack("!HHI", self.rdtype, rdclass, self.ttl)) + with dns.renderer.prefixed_length(file, 2): + rd.to_wire(file, compress, origin) + return len(self) + + def match( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType, + ) -> bool: + """Returns ``True`` if this rdataset matches the specified class, + type, and covers. + """ + if self.rdclass == rdclass and self.rdtype == rdtype and self.covers == covers: + return True + return False + + def processing_order(self) -> List[dns.rdata.Rdata]: + """Return rdatas in a valid processing order according to the type's + specification. For example, MX records are in preference order from + lowest to highest preferences, with items of the same preference + shuffled. + + For types that do not define a processing order, the rdatas are + simply shuffled. + """ + if len(self) == 0: + return [] + else: + return self[0]._processing_order(iter(self)) + + +@dns.immutable.immutable +class ImmutableRdataset(Rdataset): # lgtm[py/missing-equals] + """An immutable DNS rdataset.""" + + _clone_class = Rdataset + + def __init__(self, rdataset: Rdataset): + """Create an immutable rdataset from the specified rdataset.""" + + super().__init__( + rdataset.rdclass, rdataset.rdtype, rdataset.covers, rdataset.ttl + ) + self.items = dns.immutable.Dict(rdataset.items) + + def update_ttl(self, ttl): + raise TypeError("immutable") + + def add(self, rd, ttl=None): + raise TypeError("immutable") + + def union_update(self, other): + raise TypeError("immutable") + + def intersection_update(self, other): + raise TypeError("immutable") + + def update(self, other): + raise TypeError("immutable") + + def __delitem__(self, i): + raise TypeError("immutable") + + # lgtm complains about these not raising ArithmeticError, but there is + # precedent for overrides of these methods in other classes to raise + # TypeError, and it seems like the better exception. + + def __ior__(self, other): # lgtm[py/unexpected-raise-in-special-method] + raise TypeError("immutable") + + def __iand__(self, other): # lgtm[py/unexpected-raise-in-special-method] + raise TypeError("immutable") + + def __iadd__(self, other): # lgtm[py/unexpected-raise-in-special-method] + raise TypeError("immutable") + + def __isub__(self, other): # lgtm[py/unexpected-raise-in-special-method] + raise TypeError("immutable") + + def clear(self): + raise TypeError("immutable") + + def __copy__(self): + return ImmutableRdataset(super().copy()) + + def copy(self): + return ImmutableRdataset(super().copy()) + + def union(self, other): + return ImmutableRdataset(super().union(other)) + + def intersection(self, other): + return ImmutableRdataset(super().intersection(other)) + + def difference(self, other): + return ImmutableRdataset(super().difference(other)) + + def symmetric_difference(self, other): + return ImmutableRdataset(super().symmetric_difference(other)) + + +def from_text_list( + rdclass: Union[dns.rdataclass.RdataClass, str], + rdtype: Union[dns.rdatatype.RdataType, str], + ttl: int, + text_rdatas: Collection[str], + idna_codec: Optional[dns.name.IDNACodec] = None, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + relativize_to: Optional[dns.name.Name] = None, +) -> Rdataset: + """Create an rdataset with the specified class, type, and TTL, and with + the specified list of rdatas in text format. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use; if ``None``, the default IDNA 2003 + encoder/decoder is used. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + r = Rdataset(rdclass, rdtype) + r.update_ttl(ttl) + for t in text_rdatas: + rd = dns.rdata.from_text( + r.rdclass, r.rdtype, t, origin, relativize, relativize_to, idna_codec + ) + r.add(rd) + return r + + +def from_text( + rdclass: Union[dns.rdataclass.RdataClass, str], + rdtype: Union[dns.rdatatype.RdataType, str], + ttl: int, + *text_rdatas: Any, +) -> Rdataset: + """Create an rdataset with the specified class, type, and TTL, and with + the specified rdatas in text format. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + return from_text_list(rdclass, rdtype, ttl, cast(Collection[str], text_rdatas)) + + +def from_rdata_list(ttl: int, rdatas: Collection[dns.rdata.Rdata]) -> Rdataset: + """Create an rdataset with the specified TTL, and with + the specified list of rdata objects. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + if len(rdatas) == 0: + raise ValueError("rdata list must not be empty") + r = None + for rd in rdatas: + if r is None: + r = Rdataset(rd.rdclass, rd.rdtype) + r.update_ttl(ttl) + r.add(rd) + assert r is not None + return r + + +def from_rdata(ttl: int, *rdatas: Any) -> Rdataset: + """Create an rdataset with the specified TTL, and with + the specified rdata objects. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + return from_rdata_list(ttl, cast(Collection[dns.rdata.Rdata], rdatas)) diff --git a/venv/lib/python3.12/site-packages/dns/rdatatype.py b/venv/lib/python3.12/site-packages/dns/rdatatype.py new file mode 100644 index 0000000..e6c5818 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdatatype.py @@ -0,0 +1,332 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Rdata Types.""" + +from typing import Dict + +import dns.enum +import dns.exception + + +class RdataType(dns.enum.IntEnum): + """DNS Rdata Type""" + + TYPE0 = 0 + NONE = 0 + A = 1 + NS = 2 + MD = 3 + MF = 4 + CNAME = 5 + SOA = 6 + MB = 7 + MG = 8 + MR = 9 + NULL = 10 + WKS = 11 + PTR = 12 + HINFO = 13 + MINFO = 14 + MX = 15 + TXT = 16 + RP = 17 + AFSDB = 18 + X25 = 19 + ISDN = 20 + RT = 21 + NSAP = 22 + NSAP_PTR = 23 + SIG = 24 + KEY = 25 + PX = 26 + GPOS = 27 + AAAA = 28 + LOC = 29 + NXT = 30 + SRV = 33 + NAPTR = 35 + KX = 36 + CERT = 37 + A6 = 38 + DNAME = 39 + OPT = 41 + APL = 42 + DS = 43 + SSHFP = 44 + IPSECKEY = 45 + RRSIG = 46 + NSEC = 47 + DNSKEY = 48 + DHCID = 49 + NSEC3 = 50 + NSEC3PARAM = 51 + TLSA = 52 + SMIMEA = 53 + HIP = 55 + NINFO = 56 + CDS = 59 + CDNSKEY = 60 + OPENPGPKEY = 61 + CSYNC = 62 + ZONEMD = 63 + SVCB = 64 + HTTPS = 65 + SPF = 99 + UNSPEC = 103 + NID = 104 + L32 = 105 + L64 = 106 + LP = 107 + EUI48 = 108 + EUI64 = 109 + TKEY = 249 + TSIG = 250 + IXFR = 251 + AXFR = 252 + MAILB = 253 + MAILA = 254 + ANY = 255 + URI = 256 + CAA = 257 + AVC = 258 + AMTRELAY = 260 + TA = 32768 + DLV = 32769 + + @classmethod + def _maximum(cls): + return 65535 + + @classmethod + def _short_name(cls): + return "type" + + @classmethod + def _prefix(cls): + return "TYPE" + + @classmethod + def _extra_from_text(cls, text): + if text.find("-") >= 0: + try: + return cls[text.replace("-", "_")] + except KeyError: + pass + return _registered_by_text.get(text) + + @classmethod + def _extra_to_text(cls, value, current_text): + if current_text is None: + return _registered_by_value.get(value) + if current_text.find("_") >= 0: + return current_text.replace("_", "-") + return current_text + + @classmethod + def _unknown_exception_class(cls): + return UnknownRdatatype + + +_registered_by_text: Dict[str, RdataType] = {} +_registered_by_value: Dict[RdataType, str] = {} + +_metatypes = {RdataType.OPT} + +_singletons = { + RdataType.SOA, + RdataType.NXT, + RdataType.DNAME, + RdataType.NSEC, + RdataType.CNAME, +} + + +class UnknownRdatatype(dns.exception.DNSException): + """DNS resource record type is unknown.""" + + +def from_text(text: str) -> RdataType: + """Convert text into a DNS rdata type value. + + The input text can be a defined DNS RR type mnemonic or + instance of the DNS generic type syntax. + + For example, "NS" and "TYPE2" will both result in a value of 2. + + Raises ``dns.rdatatype.UnknownRdatatype`` if the type is unknown. + + Raises ``ValueError`` if the rdata type value is not >= 0 and <= 65535. + + Returns a ``dns.rdatatype.RdataType``. + """ + + return RdataType.from_text(text) + + +def to_text(value: RdataType) -> str: + """Convert a DNS rdata type value to text. + + If the value has a known mnemonic, it will be used, otherwise the + DNS generic type syntax will be used. + + Raises ``ValueError`` if the rdata type value is not >= 0 and <= 65535. + + Returns a ``str``. + """ + + return RdataType.to_text(value) + + +def is_metatype(rdtype: RdataType) -> bool: + """True if the specified type is a metatype. + + *rdtype* is a ``dns.rdatatype.RdataType``. + + The currently defined metatypes are TKEY, TSIG, IXFR, AXFR, MAILA, + MAILB, ANY, and OPT. + + Returns a ``bool``. + """ + + return (256 > rdtype >= 128) or rdtype in _metatypes + + +def is_singleton(rdtype: RdataType) -> bool: + """Is the specified type a singleton type? + + Singleton types can only have a single rdata in an rdataset, or a single + RR in an RRset. + + The currently defined singleton types are CNAME, DNAME, NSEC, NXT, and + SOA. + + *rdtype* is an ``int``. + + Returns a ``bool``. + """ + + if rdtype in _singletons: + return True + return False + + +# pylint: disable=redefined-outer-name +def register_type( + rdtype: RdataType, rdtype_text: str, is_singleton: bool = False +) -> None: + """Dynamically register an rdatatype. + + *rdtype*, a ``dns.rdatatype.RdataType``, the rdatatype to register. + + *rdtype_text*, a ``str``, the textual form of the rdatatype. + + *is_singleton*, a ``bool``, indicating if the type is a singleton (i.e. + RRsets of the type can have only one member.) + """ + + _registered_by_text[rdtype_text] = rdtype + _registered_by_value[rdtype] = rdtype_text + if is_singleton: + _singletons.add(rdtype) + + +### BEGIN generated RdataType constants + +TYPE0 = RdataType.TYPE0 +NONE = RdataType.NONE +A = RdataType.A +NS = RdataType.NS +MD = RdataType.MD +MF = RdataType.MF +CNAME = RdataType.CNAME +SOA = RdataType.SOA +MB = RdataType.MB +MG = RdataType.MG +MR = RdataType.MR +NULL = RdataType.NULL +WKS = RdataType.WKS +PTR = RdataType.PTR +HINFO = RdataType.HINFO +MINFO = RdataType.MINFO +MX = RdataType.MX +TXT = RdataType.TXT +RP = RdataType.RP +AFSDB = RdataType.AFSDB +X25 = RdataType.X25 +ISDN = RdataType.ISDN +RT = RdataType.RT +NSAP = RdataType.NSAP +NSAP_PTR = RdataType.NSAP_PTR +SIG = RdataType.SIG +KEY = RdataType.KEY +PX = RdataType.PX +GPOS = RdataType.GPOS +AAAA = RdataType.AAAA +LOC = RdataType.LOC +NXT = RdataType.NXT +SRV = RdataType.SRV +NAPTR = RdataType.NAPTR +KX = RdataType.KX +CERT = RdataType.CERT +A6 = RdataType.A6 +DNAME = RdataType.DNAME +OPT = RdataType.OPT +APL = RdataType.APL +DS = RdataType.DS +SSHFP = RdataType.SSHFP +IPSECKEY = RdataType.IPSECKEY +RRSIG = RdataType.RRSIG +NSEC = RdataType.NSEC +DNSKEY = RdataType.DNSKEY +DHCID = RdataType.DHCID +NSEC3 = RdataType.NSEC3 +NSEC3PARAM = RdataType.NSEC3PARAM +TLSA = RdataType.TLSA +SMIMEA = RdataType.SMIMEA +HIP = RdataType.HIP +NINFO = RdataType.NINFO +CDS = RdataType.CDS +CDNSKEY = RdataType.CDNSKEY +OPENPGPKEY = RdataType.OPENPGPKEY +CSYNC = RdataType.CSYNC +ZONEMD = RdataType.ZONEMD +SVCB = RdataType.SVCB +HTTPS = RdataType.HTTPS +SPF = RdataType.SPF +UNSPEC = RdataType.UNSPEC +NID = RdataType.NID +L32 = RdataType.L32 +L64 = RdataType.L64 +LP = RdataType.LP +EUI48 = RdataType.EUI48 +EUI64 = RdataType.EUI64 +TKEY = RdataType.TKEY +TSIG = RdataType.TSIG +IXFR = RdataType.IXFR +AXFR = RdataType.AXFR +MAILB = RdataType.MAILB +MAILA = RdataType.MAILA +ANY = RdataType.ANY +URI = RdataType.URI +CAA = RdataType.CAA +AVC = RdataType.AVC +AMTRELAY = RdataType.AMTRELAY +TA = RdataType.TA +DLV = RdataType.DLV + +### END generated RdataType constants diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AFSDB.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AFSDB.py new file mode 100644 index 0000000..06a3b97 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AFSDB.py @@ -0,0 +1,45 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.mxbase + + +@dns.immutable.immutable +class AFSDB(dns.rdtypes.mxbase.UncompressedDowncasingMX): + """AFSDB record""" + + # Use the property mechanism to make "subtype" an alias for the + # "preference" attribute, and "hostname" an alias for the "exchange" + # attribute. + # + # This lets us inherit the UncompressedMX implementation but lets + # the caller use appropriate attribute names for the rdata type. + # + # We probably lose some performance vs. a cut-and-paste + # implementation, but this way we don't copy code, and that's + # good. + + @property + def subtype(self): + "the AFSDB subtype" + return self.preference + + @property + def hostname(self): + "the AFSDB hostname" + return self.exchange diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AMTRELAY.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AMTRELAY.py new file mode 100644 index 0000000..ed2b072 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AMTRELAY.py @@ -0,0 +1,91 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdtypes.util + + +class Relay(dns.rdtypes.util.Gateway): + name = "AMTRELAY relay" + + @property + def relay(self): + return self.gateway + + +@dns.immutable.immutable +class AMTRELAY(dns.rdata.Rdata): + """AMTRELAY record""" + + # see: RFC 8777 + + __slots__ = ["precedence", "discovery_optional", "relay_type", "relay"] + + def __init__( + self, rdclass, rdtype, precedence, discovery_optional, relay_type, relay + ): + super().__init__(rdclass, rdtype) + relay = Relay(relay_type, relay) + self.precedence = self._as_uint8(precedence) + self.discovery_optional = self._as_bool(discovery_optional) + self.relay_type = relay.type + self.relay = relay.relay + + def to_text(self, origin=None, relativize=True, **kw): + relay = Relay(self.relay_type, self.relay).to_text(origin, relativize) + return "%d %d %d %s" % ( + self.precedence, + self.discovery_optional, + self.relay_type, + relay, + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + precedence = tok.get_uint8() + discovery_optional = tok.get_uint8() + if discovery_optional > 1: + raise dns.exception.SyntaxError("expecting 0 or 1") + discovery_optional = bool(discovery_optional) + relay_type = tok.get_uint8() + if relay_type > 0x7F: + raise dns.exception.SyntaxError("expecting an integer <= 127") + relay = Relay.from_text(relay_type, tok, origin, relativize, relativize_to) + return cls( + rdclass, rdtype, precedence, discovery_optional, relay_type, relay.relay + ) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + relay_type = self.relay_type | (self.discovery_optional << 7) + header = struct.pack("!BB", self.precedence, relay_type) + file.write(header) + Relay(self.relay_type, self.relay).to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (precedence, relay_type) = parser.get_struct("!BB") + discovery_optional = bool(relay_type >> 7) + relay_type &= 0x7F + relay = Relay.from_wire_parser(relay_type, parser, origin) + return cls( + rdclass, rdtype, precedence, discovery_optional, relay_type, relay.relay + ) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AVC.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AVC.py new file mode 100644 index 0000000..a27ae2d --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/AVC.py @@ -0,0 +1,26 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2016 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.txtbase + + +@dns.immutable.immutable +class AVC(dns.rdtypes.txtbase.TXTBase): + """AVC record""" + + # See: IANA dns parameters for AVC diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CAA.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CAA.py new file mode 100644 index 0000000..2e6a7e7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CAA.py @@ -0,0 +1,71 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class CAA(dns.rdata.Rdata): + """CAA (Certification Authority Authorization) record""" + + # see: RFC 6844 + + __slots__ = ["flags", "tag", "value"] + + def __init__(self, rdclass, rdtype, flags, tag, value): + super().__init__(rdclass, rdtype) + self.flags = self._as_uint8(flags) + self.tag = self._as_bytes(tag, True, 255) + if not tag.isalnum(): + raise ValueError("tag is not alphanumeric") + self.value = self._as_bytes(value) + + def to_text(self, origin=None, relativize=True, **kw): + return '%u %s "%s"' % ( + self.flags, + dns.rdata._escapify(self.tag), + dns.rdata._escapify(self.value), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + flags = tok.get_uint8() + tag = tok.get_string().encode() + value = tok.get_string().encode() + return cls(rdclass, rdtype, flags, tag, value) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!B", self.flags)) + l = len(self.tag) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.tag) + file.write(self.value) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + flags = parser.get_uint8() + tag = parser.get_counted_bytes() + value = parser.get_remaining() + return cls(rdclass, rdtype, flags, tag, value) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CDNSKEY.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CDNSKEY.py new file mode 100644 index 0000000..b613409 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CDNSKEY.py @@ -0,0 +1,33 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.dnskeybase # lgtm[py/import-and-import-from] + +# pylint: disable=unused-import +from dns.rdtypes.dnskeybase import ( # noqa: F401 lgtm[py/unused-import] + REVOKE, + SEP, + ZONE, +) + +# pylint: enable=unused-import + + +@dns.immutable.immutable +class CDNSKEY(dns.rdtypes.dnskeybase.DNSKEYBase): + """CDNSKEY record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CDS.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CDS.py new file mode 100644 index 0000000..8312b97 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CDS.py @@ -0,0 +1,29 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.dsbase + + +@dns.immutable.immutable +class CDS(dns.rdtypes.dsbase.DSBase): + """CDS record""" + + _digest_length_by_type = { + **dns.rdtypes.dsbase.DSBase._digest_length_by_type, + 0: 1, # delete, RFC 8078 Sec. 4 (including Errata ID 5049) + } diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CERT.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CERT.py new file mode 100644 index 0000000..f369cc8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CERT.py @@ -0,0 +1,116 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import struct + +import dns.dnssectypes +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + +_ctype_by_value = { + 1: "PKIX", + 2: "SPKI", + 3: "PGP", + 4: "IPKIX", + 5: "ISPKI", + 6: "IPGP", + 7: "ACPKIX", + 8: "IACPKIX", + 253: "URI", + 254: "OID", +} + +_ctype_by_name = { + "PKIX": 1, + "SPKI": 2, + "PGP": 3, + "IPKIX": 4, + "ISPKI": 5, + "IPGP": 6, + "ACPKIX": 7, + "IACPKIX": 8, + "URI": 253, + "OID": 254, +} + + +def _ctype_from_text(what): + v = _ctype_by_name.get(what) + if v is not None: + return v + return int(what) + + +def _ctype_to_text(what): + v = _ctype_by_value.get(what) + if v is not None: + return v + return str(what) + + +@dns.immutable.immutable +class CERT(dns.rdata.Rdata): + """CERT record""" + + # see RFC 4398 + + __slots__ = ["certificate_type", "key_tag", "algorithm", "certificate"] + + def __init__( + self, rdclass, rdtype, certificate_type, key_tag, algorithm, certificate + ): + super().__init__(rdclass, rdtype) + self.certificate_type = self._as_uint16(certificate_type) + self.key_tag = self._as_uint16(key_tag) + self.algorithm = self._as_uint8(algorithm) + self.certificate = self._as_bytes(certificate) + + def to_text(self, origin=None, relativize=True, **kw): + certificate_type = _ctype_to_text(self.certificate_type) + return "%s %d %s %s" % ( + certificate_type, + self.key_tag, + dns.dnssectypes.Algorithm.to_text(self.algorithm), + dns.rdata._base64ify(self.certificate, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + certificate_type = _ctype_from_text(tok.get_string()) + key_tag = tok.get_uint16() + algorithm = dns.dnssectypes.Algorithm.from_text(tok.get_string()) + b64 = tok.concatenate_remaining_identifiers().encode() + certificate = base64.b64decode(b64) + return cls(rdclass, rdtype, certificate_type, key_tag, algorithm, certificate) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + prefix = struct.pack( + "!HHB", self.certificate_type, self.key_tag, self.algorithm + ) + file.write(prefix) + file.write(self.certificate) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (certificate_type, key_tag, algorithm) = parser.get_struct("!HHB") + certificate = parser.get_remaining() + return cls(rdclass, rdtype, certificate_type, key_tag, algorithm, certificate) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CNAME.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CNAME.py new file mode 100644 index 0000000..665e407 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CNAME.py @@ -0,0 +1,28 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.nsbase + + +@dns.immutable.immutable +class CNAME(dns.rdtypes.nsbase.NSBase): + """CNAME record + + Note: although CNAME is officially a singleton type, dnspython allows + non-singleton CNAME rdatasets because such sets have been commonly + used by BIND and other nameservers for load balancing.""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CSYNC.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CSYNC.py new file mode 100644 index 0000000..2f972f6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/CSYNC.py @@ -0,0 +1,68 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011, 2016 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdatatype +import dns.rdtypes.util + + +@dns.immutable.immutable +class Bitmap(dns.rdtypes.util.Bitmap): + type_name = "CSYNC" + + +@dns.immutable.immutable +class CSYNC(dns.rdata.Rdata): + """CSYNC record""" + + __slots__ = ["serial", "flags", "windows"] + + def __init__(self, rdclass, rdtype, serial, flags, windows): + super().__init__(rdclass, rdtype) + self.serial = self._as_uint32(serial) + self.flags = self._as_uint16(flags) + if not isinstance(windows, Bitmap): + windows = Bitmap(windows) + self.windows = tuple(windows.windows) + + def to_text(self, origin=None, relativize=True, **kw): + text = Bitmap(self.windows).to_text() + return "%d %d%s" % (self.serial, self.flags, text) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + serial = tok.get_uint32() + flags = tok.get_uint16() + bitmap = Bitmap.from_text(tok) + return cls(rdclass, rdtype, serial, flags, bitmap) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!IH", self.serial, self.flags)) + Bitmap(self.windows).to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (serial, flags) = parser.get_struct("!IH") + bitmap = Bitmap.from_wire_parser(parser) + return cls(rdclass, rdtype, serial, flags, bitmap) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DLV.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DLV.py new file mode 100644 index 0000000..6c134f1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DLV.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.dsbase + + +@dns.immutable.immutable +class DLV(dns.rdtypes.dsbase.DSBase): + """DLV record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DNAME.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DNAME.py new file mode 100644 index 0000000..bbf9186 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DNAME.py @@ -0,0 +1,27 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.nsbase + + +@dns.immutable.immutable +class DNAME(dns.rdtypes.nsbase.UncompressedNS): + """DNAME record""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.target.to_wire(file, None, origin, canonicalize) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DNSKEY.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DNSKEY.py new file mode 100644 index 0000000..6d961a9 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DNSKEY.py @@ -0,0 +1,33 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.dnskeybase # lgtm[py/import-and-import-from] + +# pylint: disable=unused-import +from dns.rdtypes.dnskeybase import ( # noqa: F401 lgtm[py/unused-import] + REVOKE, + SEP, + ZONE, +) + +# pylint: enable=unused-import + + +@dns.immutable.immutable +class DNSKEY(dns.rdtypes.dnskeybase.DNSKEYBase): + """DNSKEY record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DS.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DS.py new file mode 100644 index 0000000..58b3108 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/DS.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.dsbase + + +@dns.immutable.immutable +class DS(dns.rdtypes.dsbase.DSBase): + """DS record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/EUI48.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/EUI48.py new file mode 100644 index 0000000..c843be5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/EUI48.py @@ -0,0 +1,30 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2015 Red Hat, Inc. +# Author: Petr Spacek +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.euibase + + +@dns.immutable.immutable +class EUI48(dns.rdtypes.euibase.EUIBase): + """EUI48 record""" + + # see: rfc7043.txt + + byte_len = 6 # 0123456789ab (in hex) + text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/EUI64.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/EUI64.py new file mode 100644 index 0000000..f6d7e25 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/EUI64.py @@ -0,0 +1,30 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2015 Red Hat, Inc. +# Author: Petr Spacek +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.euibase + + +@dns.immutable.immutable +class EUI64(dns.rdtypes.euibase.EUIBase): + """EUI64 record""" + + # see: rfc7043.txt + + byte_len = 8 # 0123456789abcdef (in hex) + text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab-cd-ef diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/GPOS.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/GPOS.py new file mode 100644 index 0000000..312338f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/GPOS.py @@ -0,0 +1,125 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +def _validate_float_string(what): + if len(what) == 0: + raise dns.exception.FormError + if what[0] == b"-"[0] or what[0] == b"+"[0]: + what = what[1:] + if what.isdigit(): + return + try: + (left, right) = what.split(b".") + except ValueError: + raise dns.exception.FormError + if left == b"" and right == b"": + raise dns.exception.FormError + if not left == b"" and not left.decode().isdigit(): + raise dns.exception.FormError + if not right == b"" and not right.decode().isdigit(): + raise dns.exception.FormError + + +@dns.immutable.immutable +class GPOS(dns.rdata.Rdata): + """GPOS record""" + + # see: RFC 1712 + + __slots__ = ["latitude", "longitude", "altitude"] + + def __init__(self, rdclass, rdtype, latitude, longitude, altitude): + super().__init__(rdclass, rdtype) + if isinstance(latitude, float) or isinstance(latitude, int): + latitude = str(latitude) + if isinstance(longitude, float) or isinstance(longitude, int): + longitude = str(longitude) + if isinstance(altitude, float) or isinstance(altitude, int): + altitude = str(altitude) + latitude = self._as_bytes(latitude, True, 255) + longitude = self._as_bytes(longitude, True, 255) + altitude = self._as_bytes(altitude, True, 255) + _validate_float_string(latitude) + _validate_float_string(longitude) + _validate_float_string(altitude) + self.latitude = latitude + self.longitude = longitude + self.altitude = altitude + flat = self.float_latitude + if flat < -90.0 or flat > 90.0: + raise dns.exception.FormError("bad latitude") + flong = self.float_longitude + if flong < -180.0 or flong > 180.0: + raise dns.exception.FormError("bad longitude") + + def to_text(self, origin=None, relativize=True, **kw): + return "{} {} {}".format( + self.latitude.decode(), self.longitude.decode(), self.altitude.decode() + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + latitude = tok.get_string() + longitude = tok.get_string() + altitude = tok.get_string() + return cls(rdclass, rdtype, latitude, longitude, altitude) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.latitude) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.latitude) + l = len(self.longitude) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.longitude) + l = len(self.altitude) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.altitude) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + latitude = parser.get_counted_bytes() + longitude = parser.get_counted_bytes() + altitude = parser.get_counted_bytes() + return cls(rdclass, rdtype, latitude, longitude, altitude) + + @property + def float_latitude(self): + "latitude as a floating point value" + return float(self.latitude) + + @property + def float_longitude(self): + "longitude as a floating point value" + return float(self.longitude) + + @property + def float_altitude(self): + "altitude as a floating point value" + return float(self.altitude) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/HINFO.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/HINFO.py new file mode 100644 index 0000000..c2c45de --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/HINFO.py @@ -0,0 +1,66 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class HINFO(dns.rdata.Rdata): + """HINFO record""" + + # see: RFC 1035 + + __slots__ = ["cpu", "os"] + + def __init__(self, rdclass, rdtype, cpu, os): + super().__init__(rdclass, rdtype) + self.cpu = self._as_bytes(cpu, True, 255) + self.os = self._as_bytes(os, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + return '"{}" "{}"'.format( + dns.rdata._escapify(self.cpu), dns.rdata._escapify(self.os) + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + cpu = tok.get_string(max_length=255) + os = tok.get_string(max_length=255) + return cls(rdclass, rdtype, cpu, os) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.cpu) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.cpu) + l = len(self.os) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.os) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + cpu = parser.get_counted_bytes() + os = parser.get_counted_bytes() + return cls(rdclass, rdtype, cpu, os) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/HIP.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/HIP.py new file mode 100644 index 0000000..9166913 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/HIP.py @@ -0,0 +1,85 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2010, 2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import binascii +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.rdatatype + + +@dns.immutable.immutable +class HIP(dns.rdata.Rdata): + """HIP record""" + + # see: RFC 5205 + + __slots__ = ["hit", "algorithm", "key", "servers"] + + def __init__(self, rdclass, rdtype, hit, algorithm, key, servers): + super().__init__(rdclass, rdtype) + self.hit = self._as_bytes(hit, True, 255) + self.algorithm = self._as_uint8(algorithm) + self.key = self._as_bytes(key, True) + self.servers = self._as_tuple(servers, self._as_name) + + def to_text(self, origin=None, relativize=True, **kw): + hit = binascii.hexlify(self.hit).decode() + key = base64.b64encode(self.key).replace(b"\n", b"").decode() + text = "" + servers = [] + for server in self.servers: + servers.append(server.choose_relativity(origin, relativize)) + if len(servers) > 0: + text += " " + " ".join((x.to_unicode() for x in servers)) + return "%u %s %s%s" % (self.algorithm, hit, key, text) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + algorithm = tok.get_uint8() + hit = binascii.unhexlify(tok.get_string().encode()) + key = base64.b64decode(tok.get_string().encode()) + servers = [] + for token in tok.get_remaining(): + server = tok.as_name(token, origin, relativize, relativize_to) + servers.append(server) + return cls(rdclass, rdtype, hit, algorithm, key, servers) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + lh = len(self.hit) + lk = len(self.key) + file.write(struct.pack("!BBH", lh, self.algorithm, lk)) + file.write(self.hit) + file.write(self.key) + for server in self.servers: + server.to_wire(file, None, origin, False) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (lh, algorithm, lk) = parser.get_struct("!BBH") + hit = parser.get_bytes(lh) + key = parser.get_bytes(lk) + servers = [] + while parser.remaining() > 0: + server = parser.get_name(origin) + servers.append(server) + return cls(rdclass, rdtype, hit, algorithm, key, servers) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/ISDN.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/ISDN.py new file mode 100644 index 0000000..fb01eab --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/ISDN.py @@ -0,0 +1,77 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class ISDN(dns.rdata.Rdata): + """ISDN record""" + + # see: RFC 1183 + + __slots__ = ["address", "subaddress"] + + def __init__(self, rdclass, rdtype, address, subaddress): + super().__init__(rdclass, rdtype) + self.address = self._as_bytes(address, True, 255) + self.subaddress = self._as_bytes(subaddress, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + if self.subaddress: + return '"{}" "{}"'.format( + dns.rdata._escapify(self.address), dns.rdata._escapify(self.subaddress) + ) + else: + return '"%s"' % dns.rdata._escapify(self.address) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + address = tok.get_string() + tokens = tok.get_remaining(max_tokens=1) + if len(tokens) >= 1: + subaddress = tokens[0].unescape().value + else: + subaddress = "" + return cls(rdclass, rdtype, address, subaddress) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.address) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.address) + l = len(self.subaddress) + if l > 0: + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.subaddress) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_counted_bytes() + if parser.remaining() > 0: + subaddress = parser.get_counted_bytes() + else: + subaddress = b"" + return cls(rdclass, rdtype, address, subaddress) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/L32.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/L32.py new file mode 100644 index 0000000..09804c2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/L32.py @@ -0,0 +1,41 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import struct + +import dns.immutable +import dns.rdata + + +@dns.immutable.immutable +class L32(dns.rdata.Rdata): + """L32 record""" + + # see: rfc6742.txt + + __slots__ = ["preference", "locator32"] + + def __init__(self, rdclass, rdtype, preference, locator32): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + self.locator32 = self._as_ipv4_address(locator32) + + def to_text(self, origin=None, relativize=True, **kw): + return f"{self.preference} {self.locator32}" + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + preference = tok.get_uint16() + nodeid = tok.get_identifier() + return cls(rdclass, rdtype, preference, nodeid) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!H", self.preference)) + file.write(dns.ipv4.inet_aton(self.locator32)) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + locator32 = parser.get_remaining() + return cls(rdclass, rdtype, preference, locator32) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/L64.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/L64.py new file mode 100644 index 0000000..fb76808 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/L64.py @@ -0,0 +1,47 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import struct + +import dns.immutable +import dns.rdtypes.util + + +@dns.immutable.immutable +class L64(dns.rdata.Rdata): + """L64 record""" + + # see: rfc6742.txt + + __slots__ = ["preference", "locator64"] + + def __init__(self, rdclass, rdtype, preference, locator64): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + if isinstance(locator64, bytes): + if len(locator64) != 8: + raise ValueError("invalid locator64") + self.locator64 = dns.rdata._hexify(locator64, 4, b":") + else: + dns.rdtypes.util.parse_formatted_hex(locator64, 4, 4, ":") + self.locator64 = locator64 + + def to_text(self, origin=None, relativize=True, **kw): + return f"{self.preference} {self.locator64}" + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + preference = tok.get_uint16() + locator64 = tok.get_identifier() + return cls(rdclass, rdtype, preference, locator64) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!H", self.preference)) + file.write(dns.rdtypes.util.parse_formatted_hex(self.locator64, 4, 4, ":")) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + locator64 = parser.get_remaining() + return cls(rdclass, rdtype, preference, locator64) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/LOC.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/LOC.py new file mode 100644 index 0000000..a36a2c1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/LOC.py @@ -0,0 +1,354 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata + +_pows = tuple(10**i for i in range(0, 11)) + +# default values are in centimeters +_default_size = 100.0 +_default_hprec = 1000000.0 +_default_vprec = 1000.0 + +# for use by from_wire() +_MAX_LATITUDE = 0x80000000 + 90 * 3600000 +_MIN_LATITUDE = 0x80000000 - 90 * 3600000 +_MAX_LONGITUDE = 0x80000000 + 180 * 3600000 +_MIN_LONGITUDE = 0x80000000 - 180 * 3600000 + + +def _exponent_of(what, desc): + if what == 0: + return 0 + exp = None + for i, pow in enumerate(_pows): + if what < pow: + exp = i - 1 + break + if exp is None or exp < 0: + raise dns.exception.SyntaxError("%s value out of bounds" % desc) + return exp + + +def _float_to_tuple(what): + if what < 0: + sign = -1 + what *= -1 + else: + sign = 1 + what = round(what * 3600000) + degrees = int(what // 3600000) + what -= degrees * 3600000 + minutes = int(what // 60000) + what -= minutes * 60000 + seconds = int(what // 1000) + what -= int(seconds * 1000) + what = int(what) + return (degrees, minutes, seconds, what, sign) + + +def _tuple_to_float(what): + value = float(what[0]) + value += float(what[1]) / 60.0 + value += float(what[2]) / 3600.0 + value += float(what[3]) / 3600000.0 + return float(what[4]) * value + + +def _encode_size(what, desc): + what = int(what) + exponent = _exponent_of(what, desc) & 0xF + base = what // pow(10, exponent) & 0xF + return base * 16 + exponent + + +def _decode_size(what, desc): + exponent = what & 0x0F + if exponent > 9: + raise dns.exception.FormError("bad %s exponent" % desc) + base = (what & 0xF0) >> 4 + if base > 9: + raise dns.exception.FormError("bad %s base" % desc) + return base * pow(10, exponent) + + +def _check_coordinate_list(value, low, high): + if value[0] < low or value[0] > high: + raise ValueError(f"not in range [{low}, {high}]") + if value[1] < 0 or value[1] > 59: + raise ValueError("bad minutes value") + if value[2] < 0 or value[2] > 59: + raise ValueError("bad seconds value") + if value[3] < 0 or value[3] > 999: + raise ValueError("bad milliseconds value") + if value[4] != 1 and value[4] != -1: + raise ValueError("bad hemisphere value") + + +@dns.immutable.immutable +class LOC(dns.rdata.Rdata): + """LOC record""" + + # see: RFC 1876 + + __slots__ = [ + "latitude", + "longitude", + "altitude", + "size", + "horizontal_precision", + "vertical_precision", + ] + + def __init__( + self, + rdclass, + rdtype, + latitude, + longitude, + altitude, + size=_default_size, + hprec=_default_hprec, + vprec=_default_vprec, + ): + """Initialize a LOC record instance. + + The parameters I{latitude} and I{longitude} may be either a 4-tuple + of integers specifying (degrees, minutes, seconds, milliseconds), + or they may be floating point values specifying the number of + degrees. The other parameters are floats. Size, horizontal precision, + and vertical precision are specified in centimeters.""" + + super().__init__(rdclass, rdtype) + if isinstance(latitude, int): + latitude = float(latitude) + if isinstance(latitude, float): + latitude = _float_to_tuple(latitude) + _check_coordinate_list(latitude, -90, 90) + self.latitude = tuple(latitude) + if isinstance(longitude, int): + longitude = float(longitude) + if isinstance(longitude, float): + longitude = _float_to_tuple(longitude) + _check_coordinate_list(longitude, -180, 180) + self.longitude = tuple(longitude) + self.altitude = float(altitude) + self.size = float(size) + self.horizontal_precision = float(hprec) + self.vertical_precision = float(vprec) + + def to_text(self, origin=None, relativize=True, **kw): + if self.latitude[4] > 0: + lat_hemisphere = "N" + else: + lat_hemisphere = "S" + if self.longitude[4] > 0: + long_hemisphere = "E" + else: + long_hemisphere = "W" + text = "%d %d %d.%03d %s %d %d %d.%03d %s %0.2fm" % ( + self.latitude[0], + self.latitude[1], + self.latitude[2], + self.latitude[3], + lat_hemisphere, + self.longitude[0], + self.longitude[1], + self.longitude[2], + self.longitude[3], + long_hemisphere, + self.altitude / 100.0, + ) + + # do not print default values + if ( + self.size != _default_size + or self.horizontal_precision != _default_hprec + or self.vertical_precision != _default_vprec + ): + text += " {:0.2f}m {:0.2f}m {:0.2f}m".format( + self.size / 100.0, + self.horizontal_precision / 100.0, + self.vertical_precision / 100.0, + ) + return text + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + latitude = [0, 0, 0, 0, 1] + longitude = [0, 0, 0, 0, 1] + size = _default_size + hprec = _default_hprec + vprec = _default_vprec + + latitude[0] = tok.get_int() + t = tok.get_string() + if t.isdigit(): + latitude[1] = int(t) + t = tok.get_string() + if "." in t: + (seconds, milliseconds) = t.split(".") + if not seconds.isdigit(): + raise dns.exception.SyntaxError("bad latitude seconds value") + latitude[2] = int(seconds) + l = len(milliseconds) + if l == 0 or l > 3 or not milliseconds.isdigit(): + raise dns.exception.SyntaxError("bad latitude milliseconds value") + if l == 1: + m = 100 + elif l == 2: + m = 10 + else: + m = 1 + latitude[3] = m * int(milliseconds) + t = tok.get_string() + elif t.isdigit(): + latitude[2] = int(t) + t = tok.get_string() + if t == "S": + latitude[4] = -1 + elif t != "N": + raise dns.exception.SyntaxError("bad latitude hemisphere value") + + longitude[0] = tok.get_int() + t = tok.get_string() + if t.isdigit(): + longitude[1] = int(t) + t = tok.get_string() + if "." in t: + (seconds, milliseconds) = t.split(".") + if not seconds.isdigit(): + raise dns.exception.SyntaxError("bad longitude seconds value") + longitude[2] = int(seconds) + l = len(milliseconds) + if l == 0 or l > 3 or not milliseconds.isdigit(): + raise dns.exception.SyntaxError("bad longitude milliseconds value") + if l == 1: + m = 100 + elif l == 2: + m = 10 + else: + m = 1 + longitude[3] = m * int(milliseconds) + t = tok.get_string() + elif t.isdigit(): + longitude[2] = int(t) + t = tok.get_string() + if t == "W": + longitude[4] = -1 + elif t != "E": + raise dns.exception.SyntaxError("bad longitude hemisphere value") + + t = tok.get_string() + if t[-1] == "m": + t = t[0:-1] + altitude = float(t) * 100.0 # m -> cm + + tokens = tok.get_remaining(max_tokens=3) + if len(tokens) >= 1: + value = tokens[0].unescape().value + if value[-1] == "m": + value = value[0:-1] + size = float(value) * 100.0 # m -> cm + if len(tokens) >= 2: + value = tokens[1].unescape().value + if value[-1] == "m": + value = value[0:-1] + hprec = float(value) * 100.0 # m -> cm + if len(tokens) >= 3: + value = tokens[2].unescape().value + if value[-1] == "m": + value = value[0:-1] + vprec = float(value) * 100.0 # m -> cm + + # Try encoding these now so we raise if they are bad + _encode_size(size, "size") + _encode_size(hprec, "horizontal precision") + _encode_size(vprec, "vertical precision") + + return cls(rdclass, rdtype, latitude, longitude, altitude, size, hprec, vprec) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + milliseconds = ( + self.latitude[0] * 3600000 + + self.latitude[1] * 60000 + + self.latitude[2] * 1000 + + self.latitude[3] + ) * self.latitude[4] + latitude = 0x80000000 + milliseconds + milliseconds = ( + self.longitude[0] * 3600000 + + self.longitude[1] * 60000 + + self.longitude[2] * 1000 + + self.longitude[3] + ) * self.longitude[4] + longitude = 0x80000000 + milliseconds + altitude = int(self.altitude) + 10000000 + size = _encode_size(self.size, "size") + hprec = _encode_size(self.horizontal_precision, "horizontal precision") + vprec = _encode_size(self.vertical_precision, "vertical precision") + wire = struct.pack( + "!BBBBIII", 0, size, hprec, vprec, latitude, longitude, altitude + ) + file.write(wire) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + ( + version, + size, + hprec, + vprec, + latitude, + longitude, + altitude, + ) = parser.get_struct("!BBBBIII") + if version != 0: + raise dns.exception.FormError("LOC version not zero") + if latitude < _MIN_LATITUDE or latitude > _MAX_LATITUDE: + raise dns.exception.FormError("bad latitude") + if latitude > 0x80000000: + latitude = (latitude - 0x80000000) / 3600000 + else: + latitude = -1 * (0x80000000 - latitude) / 3600000 + if longitude < _MIN_LONGITUDE or longitude > _MAX_LONGITUDE: + raise dns.exception.FormError("bad longitude") + if longitude > 0x80000000: + longitude = (longitude - 0x80000000) / 3600000 + else: + longitude = -1 * (0x80000000 - longitude) / 3600000 + altitude = float(altitude) - 10000000.0 + size = _decode_size(size, "size") + hprec = _decode_size(hprec, "horizontal precision") + vprec = _decode_size(vprec, "vertical precision") + return cls(rdclass, rdtype, latitude, longitude, altitude, size, hprec, vprec) + + @property + def float_latitude(self): + "latitude as a floating point value" + return _tuple_to_float(self.latitude) + + @property + def float_longitude(self): + "longitude as a floating point value" + return _tuple_to_float(self.longitude) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/LP.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/LP.py new file mode 100644 index 0000000..312663f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/LP.py @@ -0,0 +1,42 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import struct + +import dns.immutable +import dns.rdata + + +@dns.immutable.immutable +class LP(dns.rdata.Rdata): + """LP record""" + + # see: rfc6742.txt + + __slots__ = ["preference", "fqdn"] + + def __init__(self, rdclass, rdtype, preference, fqdn): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + self.fqdn = self._as_name(fqdn) + + def to_text(self, origin=None, relativize=True, **kw): + fqdn = self.fqdn.choose_relativity(origin, relativize) + return "%d %s" % (self.preference, fqdn) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + preference = tok.get_uint16() + fqdn = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, preference, fqdn) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!H", self.preference)) + self.fqdn.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + fqdn = parser.get_name(origin) + return cls(rdclass, rdtype, preference, fqdn) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/MX.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/MX.py new file mode 100644 index 0000000..0c300c5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/MX.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.mxbase + + +@dns.immutable.immutable +class MX(dns.rdtypes.mxbase.MXBase): + """MX record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NID.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NID.py new file mode 100644 index 0000000..2f64917 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NID.py @@ -0,0 +1,47 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import struct + +import dns.immutable +import dns.rdtypes.util + + +@dns.immutable.immutable +class NID(dns.rdata.Rdata): + """NID record""" + + # see: rfc6742.txt + + __slots__ = ["preference", "nodeid"] + + def __init__(self, rdclass, rdtype, preference, nodeid): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + if isinstance(nodeid, bytes): + if len(nodeid) != 8: + raise ValueError("invalid nodeid") + self.nodeid = dns.rdata._hexify(nodeid, 4, b":") + else: + dns.rdtypes.util.parse_formatted_hex(nodeid, 4, 4, ":") + self.nodeid = nodeid + + def to_text(self, origin=None, relativize=True, **kw): + return f"{self.preference} {self.nodeid}" + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + preference = tok.get_uint16() + nodeid = tok.get_identifier() + return cls(rdclass, rdtype, preference, nodeid) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!H", self.preference)) + file.write(dns.rdtypes.util.parse_formatted_hex(self.nodeid, 4, 4, ":")) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + nodeid = parser.get_remaining() + return cls(rdclass, rdtype, preference, nodeid) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NINFO.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NINFO.py new file mode 100644 index 0000000..b177bdd --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NINFO.py @@ -0,0 +1,26 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.txtbase + + +@dns.immutable.immutable +class NINFO(dns.rdtypes.txtbase.TXTBase): + """NINFO record""" + + # see: draft-reid-dnsext-zs-01 diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NS.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NS.py new file mode 100644 index 0000000..c3f34ce --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NS.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.nsbase + + +@dns.immutable.immutable +class NS(dns.rdtypes.nsbase.NSBase): + """NS record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC.py new file mode 100644 index 0000000..340525a --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC.py @@ -0,0 +1,67 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdatatype +import dns.rdtypes.util + + +@dns.immutable.immutable +class Bitmap(dns.rdtypes.util.Bitmap): + type_name = "NSEC" + + +@dns.immutable.immutable +class NSEC(dns.rdata.Rdata): + """NSEC record""" + + __slots__ = ["next", "windows"] + + def __init__(self, rdclass, rdtype, next, windows): + super().__init__(rdclass, rdtype) + self.next = self._as_name(next) + if not isinstance(windows, Bitmap): + windows = Bitmap(windows) + self.windows = tuple(windows.windows) + + def to_text(self, origin=None, relativize=True, **kw): + next = self.next.choose_relativity(origin, relativize) + text = Bitmap(self.windows).to_text() + return "{}{}".format(next, text) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + next = tok.get_name(origin, relativize, relativize_to) + windows = Bitmap.from_text(tok) + return cls(rdclass, rdtype, next, windows) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + # Note that NSEC downcasing, originally mandated by RFC 4034 + # section 6.2 was removed by RFC 6840 section 5.1. + self.next.to_wire(file, None, origin, False) + Bitmap(self.windows).to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + next = parser.get_name(origin) + bitmap = Bitmap.from_wire_parser(parser) + return cls(rdclass, rdtype, next, bitmap) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC3.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC3.py new file mode 100644 index 0000000..d71302b --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC3.py @@ -0,0 +1,126 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import binascii +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.rdatatype +import dns.rdtypes.util + +b32_hex_to_normal = bytes.maketrans( + b"0123456789ABCDEFGHIJKLMNOPQRSTUV", b"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567" +) +b32_normal_to_hex = bytes.maketrans( + b"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567", b"0123456789ABCDEFGHIJKLMNOPQRSTUV" +) + +# hash algorithm constants +SHA1 = 1 + +# flag constants +OPTOUT = 1 + + +@dns.immutable.immutable +class Bitmap(dns.rdtypes.util.Bitmap): + type_name = "NSEC3" + + +@dns.immutable.immutable +class NSEC3(dns.rdata.Rdata): + """NSEC3 record""" + + __slots__ = ["algorithm", "flags", "iterations", "salt", "next", "windows"] + + def __init__( + self, rdclass, rdtype, algorithm, flags, iterations, salt, next, windows + ): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_uint8(algorithm) + self.flags = self._as_uint8(flags) + self.iterations = self._as_uint16(iterations) + self.salt = self._as_bytes(salt, True, 255) + self.next = self._as_bytes(next, True, 255) + if not isinstance(windows, Bitmap): + windows = Bitmap(windows) + self.windows = tuple(windows.windows) + + def _next_text(self): + next = base64.b32encode(self.next).translate(b32_normal_to_hex).lower().decode() + next = next.rstrip("=") + return next + + def to_text(self, origin=None, relativize=True, **kw): + next = self._next_text() + if self.salt == b"": + salt = "-" + else: + salt = binascii.hexlify(self.salt).decode() + text = Bitmap(self.windows).to_text() + return "%u %u %u %s %s%s" % ( + self.algorithm, + self.flags, + self.iterations, + salt, + next, + text, + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + algorithm = tok.get_uint8() + flags = tok.get_uint8() + iterations = tok.get_uint16() + salt = tok.get_string() + if salt == "-": + salt = b"" + else: + salt = binascii.unhexlify(salt.encode("ascii")) + next = tok.get_string().encode("ascii").upper().translate(b32_hex_to_normal) + if next.endswith(b"="): + raise binascii.Error("Incorrect padding") + if len(next) % 8 != 0: + next += b"=" * (8 - len(next) % 8) + next = base64.b32decode(next) + bitmap = Bitmap.from_text(tok) + return cls(rdclass, rdtype, algorithm, flags, iterations, salt, next, bitmap) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.salt) + file.write(struct.pack("!BBHB", self.algorithm, self.flags, self.iterations, l)) + file.write(self.salt) + l = len(self.next) + file.write(struct.pack("!B", l)) + file.write(self.next) + Bitmap(self.windows).to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (algorithm, flags, iterations) = parser.get_struct("!BBH") + salt = parser.get_counted_bytes() + next = parser.get_counted_bytes() + bitmap = Bitmap.from_wire_parser(parser) + return cls(rdclass, rdtype, algorithm, flags, iterations, salt, next, bitmap) + + def next_name(self, origin=None): + return dns.name.from_text(self._next_text(), origin) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC3PARAM.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC3PARAM.py new file mode 100644 index 0000000..d1e62eb --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/NSEC3PARAM.py @@ -0,0 +1,69 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii +import struct + +import dns.exception +import dns.immutable +import dns.rdata + + +@dns.immutable.immutable +class NSEC3PARAM(dns.rdata.Rdata): + """NSEC3PARAM record""" + + __slots__ = ["algorithm", "flags", "iterations", "salt"] + + def __init__(self, rdclass, rdtype, algorithm, flags, iterations, salt): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_uint8(algorithm) + self.flags = self._as_uint8(flags) + self.iterations = self._as_uint16(iterations) + self.salt = self._as_bytes(salt, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + if self.salt == b"": + salt = "-" + else: + salt = binascii.hexlify(self.salt).decode() + return "%u %u %u %s" % (self.algorithm, self.flags, self.iterations, salt) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + algorithm = tok.get_uint8() + flags = tok.get_uint8() + iterations = tok.get_uint16() + salt = tok.get_string() + if salt == "-": + salt = "" + else: + salt = binascii.unhexlify(salt.encode()) + return cls(rdclass, rdtype, algorithm, flags, iterations, salt) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.salt) + file.write(struct.pack("!BBHB", self.algorithm, self.flags, self.iterations, l)) + file.write(self.salt) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (algorithm, flags, iterations) = parser.get_struct("!BBH") + salt = parser.get_counted_bytes() + return cls(rdclass, rdtype, algorithm, flags, iterations, salt) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/OPENPGPKEY.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/OPENPGPKEY.py new file mode 100644 index 0000000..4d7a4b6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/OPENPGPKEY.py @@ -0,0 +1,53 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2016 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class OPENPGPKEY(dns.rdata.Rdata): + """OPENPGPKEY record""" + + # see: RFC 7929 + + def __init__(self, rdclass, rdtype, key): + super().__init__(rdclass, rdtype) + self.key = self._as_bytes(key) + + def to_text(self, origin=None, relativize=True, **kw): + return dns.rdata._base64ify(self.key, chunksize=None, **kw) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + b64 = tok.concatenate_remaining_identifiers().encode() + key = base64.b64decode(b64) + return cls(rdclass, rdtype, key) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.key) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + key = parser.get_remaining() + return cls(rdclass, rdtype, key) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/OPT.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/OPT.py new file mode 100644 index 0000000..d343dfa --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/OPT.py @@ -0,0 +1,77 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.edns +import dns.exception +import dns.immutable +import dns.rdata + +# We don't implement from_text, and that's ok. +# pylint: disable=abstract-method + + +@dns.immutable.immutable +class OPT(dns.rdata.Rdata): + """OPT record""" + + __slots__ = ["options"] + + def __init__(self, rdclass, rdtype, options): + """Initialize an OPT rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata, + which is also the payload size. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + + *options*, a tuple of ``bytes`` + """ + + super().__init__(rdclass, rdtype) + + def as_option(option): + if not isinstance(option, dns.edns.Option): + raise ValueError("option is not a dns.edns.option") + return option + + self.options = self._as_tuple(options, as_option) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + for opt in self.options: + owire = opt.to_wire() + file.write(struct.pack("!HH", opt.otype, len(owire))) + file.write(owire) + + def to_text(self, origin=None, relativize=True, **kw): + return " ".join(opt.to_text() for opt in self.options) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + options = [] + while parser.remaining() > 0: + (otype, olen) = parser.get_struct("!HH") + with parser.restrict_to(olen): + opt = dns.edns.option_from_wire_parser(otype, parser) + options.append(opt) + return cls(rdclass, rdtype, options) + + @property + def payload(self): + "payload size" + return self.rdclass diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/PTR.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/PTR.py new file mode 100644 index 0000000..98c3616 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/PTR.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.nsbase + + +@dns.immutable.immutable +class PTR(dns.rdtypes.nsbase.NSBase): + """PTR record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RP.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RP.py new file mode 100644 index 0000000..9b74549 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RP.py @@ -0,0 +1,58 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata + + +@dns.immutable.immutable +class RP(dns.rdata.Rdata): + """RP record""" + + # see: RFC 1183 + + __slots__ = ["mbox", "txt"] + + def __init__(self, rdclass, rdtype, mbox, txt): + super().__init__(rdclass, rdtype) + self.mbox = self._as_name(mbox) + self.txt = self._as_name(txt) + + def to_text(self, origin=None, relativize=True, **kw): + mbox = self.mbox.choose_relativity(origin, relativize) + txt = self.txt.choose_relativity(origin, relativize) + return "{} {}".format(str(mbox), str(txt)) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + mbox = tok.get_name(origin, relativize, relativize_to) + txt = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, mbox, txt) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.mbox.to_wire(file, None, origin, canonicalize) + self.txt.to_wire(file, None, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + mbox = parser.get_name(origin) + txt = parser.get_name(origin) + return cls(rdclass, rdtype, mbox, txt) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RRSIG.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RRSIG.py new file mode 100644 index 0000000..8beb423 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RRSIG.py @@ -0,0 +1,157 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import calendar +import struct +import time + +import dns.dnssectypes +import dns.exception +import dns.immutable +import dns.rdata +import dns.rdatatype + + +class BadSigTime(dns.exception.DNSException): + """Time in DNS SIG or RRSIG resource record cannot be parsed.""" + + +def sigtime_to_posixtime(what): + if len(what) <= 10 and what.isdigit(): + return int(what) + if len(what) != 14: + raise BadSigTime + year = int(what[0:4]) + month = int(what[4:6]) + day = int(what[6:8]) + hour = int(what[8:10]) + minute = int(what[10:12]) + second = int(what[12:14]) + return calendar.timegm((year, month, day, hour, minute, second, 0, 0, 0)) + + +def posixtime_to_sigtime(what): + return time.strftime("%Y%m%d%H%M%S", time.gmtime(what)) + + +@dns.immutable.immutable +class RRSIG(dns.rdata.Rdata): + """RRSIG record""" + + __slots__ = [ + "type_covered", + "algorithm", + "labels", + "original_ttl", + "expiration", + "inception", + "key_tag", + "signer", + "signature", + ] + + def __init__( + self, + rdclass, + rdtype, + type_covered, + algorithm, + labels, + original_ttl, + expiration, + inception, + key_tag, + signer, + signature, + ): + super().__init__(rdclass, rdtype) + self.type_covered = self._as_rdatatype(type_covered) + self.algorithm = dns.dnssectypes.Algorithm.make(algorithm) + self.labels = self._as_uint8(labels) + self.original_ttl = self._as_ttl(original_ttl) + self.expiration = self._as_uint32(expiration) + self.inception = self._as_uint32(inception) + self.key_tag = self._as_uint16(key_tag) + self.signer = self._as_name(signer) + self.signature = self._as_bytes(signature) + + def covers(self): + return self.type_covered + + def to_text(self, origin=None, relativize=True, **kw): + return "%s %d %d %d %s %s %d %s %s" % ( + dns.rdatatype.to_text(self.type_covered), + self.algorithm, + self.labels, + self.original_ttl, + posixtime_to_sigtime(self.expiration), + posixtime_to_sigtime(self.inception), + self.key_tag, + self.signer.choose_relativity(origin, relativize), + dns.rdata._base64ify(self.signature, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + type_covered = dns.rdatatype.from_text(tok.get_string()) + algorithm = dns.dnssectypes.Algorithm.from_text(tok.get_string()) + labels = tok.get_int() + original_ttl = tok.get_ttl() + expiration = sigtime_to_posixtime(tok.get_string()) + inception = sigtime_to_posixtime(tok.get_string()) + key_tag = tok.get_int() + signer = tok.get_name(origin, relativize, relativize_to) + b64 = tok.concatenate_remaining_identifiers().encode() + signature = base64.b64decode(b64) + return cls( + rdclass, + rdtype, + type_covered, + algorithm, + labels, + original_ttl, + expiration, + inception, + key_tag, + signer, + signature, + ) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack( + "!HBBIIIH", + self.type_covered, + self.algorithm, + self.labels, + self.original_ttl, + self.expiration, + self.inception, + self.key_tag, + ) + file.write(header) + self.signer.to_wire(file, None, origin, canonicalize) + file.write(self.signature) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("!HBBIIIH") + signer = parser.get_name(origin) + signature = parser.get_remaining() + return cls(rdclass, rdtype, *header, signer, signature) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RT.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RT.py new file mode 100644 index 0000000..5a4d45c --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/RT.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.mxbase + + +@dns.immutable.immutable +class RT(dns.rdtypes.mxbase.UncompressedDowncasingMX): + """RT record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SMIMEA.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SMIMEA.py new file mode 100644 index 0000000..55d87bf --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SMIMEA.py @@ -0,0 +1,9 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.immutable +import dns.rdtypes.tlsabase + + +@dns.immutable.immutable +class SMIMEA(dns.rdtypes.tlsabase.TLSABase): + """SMIMEA record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SOA.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SOA.py new file mode 100644 index 0000000..09aa832 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SOA.py @@ -0,0 +1,86 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata + + +@dns.immutable.immutable +class SOA(dns.rdata.Rdata): + """SOA record""" + + # see: RFC 1035 + + __slots__ = ["mname", "rname", "serial", "refresh", "retry", "expire", "minimum"] + + def __init__( + self, rdclass, rdtype, mname, rname, serial, refresh, retry, expire, minimum + ): + super().__init__(rdclass, rdtype) + self.mname = self._as_name(mname) + self.rname = self._as_name(rname) + self.serial = self._as_uint32(serial) + self.refresh = self._as_ttl(refresh) + self.retry = self._as_ttl(retry) + self.expire = self._as_ttl(expire) + self.minimum = self._as_ttl(minimum) + + def to_text(self, origin=None, relativize=True, **kw): + mname = self.mname.choose_relativity(origin, relativize) + rname = self.rname.choose_relativity(origin, relativize) + return "%s %s %d %d %d %d %d" % ( + mname, + rname, + self.serial, + self.refresh, + self.retry, + self.expire, + self.minimum, + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + mname = tok.get_name(origin, relativize, relativize_to) + rname = tok.get_name(origin, relativize, relativize_to) + serial = tok.get_uint32() + refresh = tok.get_ttl() + retry = tok.get_ttl() + expire = tok.get_ttl() + minimum = tok.get_ttl() + return cls( + rdclass, rdtype, mname, rname, serial, refresh, retry, expire, minimum + ) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.mname.to_wire(file, compress, origin, canonicalize) + self.rname.to_wire(file, compress, origin, canonicalize) + five_ints = struct.pack( + "!IIIII", self.serial, self.refresh, self.retry, self.expire, self.minimum + ) + file.write(five_ints) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + mname = parser.get_name(origin) + rname = parser.get_name(origin) + return cls(rdclass, rdtype, mname, rname, *parser.get_struct("!IIIII")) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SPF.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SPF.py new file mode 100644 index 0000000..1df3b70 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SPF.py @@ -0,0 +1,26 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.txtbase + + +@dns.immutable.immutable +class SPF(dns.rdtypes.txtbase.TXTBase): + """SPF record""" + + # see: RFC 4408 diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SSHFP.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SSHFP.py new file mode 100644 index 0000000..d2c4b07 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/SSHFP.py @@ -0,0 +1,68 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2005-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii +import struct + +import dns.immutable +import dns.rdata +import dns.rdatatype + + +@dns.immutable.immutable +class SSHFP(dns.rdata.Rdata): + """SSHFP record""" + + # See RFC 4255 + + __slots__ = ["algorithm", "fp_type", "fingerprint"] + + def __init__(self, rdclass, rdtype, algorithm, fp_type, fingerprint): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_uint8(algorithm) + self.fp_type = self._as_uint8(fp_type) + self.fingerprint = self._as_bytes(fingerprint, True) + + def to_text(self, origin=None, relativize=True, **kw): + kw = kw.copy() + chunksize = kw.pop("chunksize", 128) + return "%d %d %s" % ( + self.algorithm, + self.fp_type, + dns.rdata._hexify(self.fingerprint, chunksize=chunksize, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + algorithm = tok.get_uint8() + fp_type = tok.get_uint8() + fingerprint = tok.concatenate_remaining_identifiers().encode() + fingerprint = binascii.unhexlify(fingerprint) + return cls(rdclass, rdtype, algorithm, fp_type, fingerprint) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!BB", self.algorithm, self.fp_type) + file.write(header) + file.write(self.fingerprint) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("BB") + fingerprint = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], fingerprint) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TKEY.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TKEY.py new file mode 100644 index 0000000..5b490b8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TKEY.py @@ -0,0 +1,142 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import struct + +import dns.exception +import dns.immutable +import dns.rdata + + +@dns.immutable.immutable +class TKEY(dns.rdata.Rdata): + """TKEY Record""" + + __slots__ = [ + "algorithm", + "inception", + "expiration", + "mode", + "error", + "key", + "other", + ] + + def __init__( + self, + rdclass, + rdtype, + algorithm, + inception, + expiration, + mode, + error, + key, + other=b"", + ): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_name(algorithm) + self.inception = self._as_uint32(inception) + self.expiration = self._as_uint32(expiration) + self.mode = self._as_uint16(mode) + self.error = self._as_uint16(error) + self.key = self._as_bytes(key) + self.other = self._as_bytes(other) + + def to_text(self, origin=None, relativize=True, **kw): + _algorithm = self.algorithm.choose_relativity(origin, relativize) + text = "%s %u %u %u %u %s" % ( + str(_algorithm), + self.inception, + self.expiration, + self.mode, + self.error, + dns.rdata._base64ify(self.key, 0), + ) + if len(self.other) > 0: + text += " %s" % (dns.rdata._base64ify(self.other, 0)) + + return text + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + algorithm = tok.get_name(relativize=False) + inception = tok.get_uint32() + expiration = tok.get_uint32() + mode = tok.get_uint16() + error = tok.get_uint16() + key_b64 = tok.get_string().encode() + key = base64.b64decode(key_b64) + other_b64 = tok.concatenate_remaining_identifiers(True).encode() + other = base64.b64decode(other_b64) + + return cls( + rdclass, rdtype, algorithm, inception, expiration, mode, error, key, other + ) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.algorithm.to_wire(file, compress, origin) + file.write( + struct.pack("!IIHH", self.inception, self.expiration, self.mode, self.error) + ) + file.write(struct.pack("!H", len(self.key))) + file.write(self.key) + file.write(struct.pack("!H", len(self.other))) + if len(self.other) > 0: + file.write(self.other) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + algorithm = parser.get_name(origin) + inception, expiration, mode, error = parser.get_struct("!IIHH") + key = parser.get_counted_bytes(2) + other = parser.get_counted_bytes(2) + + return cls( + rdclass, rdtype, algorithm, inception, expiration, mode, error, key, other + ) + + # Constants for the mode field - from RFC 2930: + # 2.5 The Mode Field + # + # The mode field specifies the general scheme for key agreement or + # the purpose of the TKEY DNS message. Servers and resolvers + # supporting this specification MUST implement the Diffie-Hellman key + # agreement mode and the key deletion mode for queries. All other + # modes are OPTIONAL. A server supporting TKEY that receives a TKEY + # request with a mode it does not support returns the BADMODE error. + # The following values of the Mode octet are defined, available, or + # reserved: + # + # Value Description + # ----- ----------- + # 0 - reserved, see section 7 + # 1 server assignment + # 2 Diffie-Hellman exchange + # 3 GSS-API negotiation + # 4 resolver assignment + # 5 key deletion + # 6-65534 - available, see section 7 + # 65535 - reserved, see section 7 + SERVER_ASSIGNMENT = 1 + DIFFIE_HELLMAN_EXCHANGE = 2 + GSSAPI_NEGOTIATION = 3 + RESOLVER_ASSIGNMENT = 4 + KEY_DELETION = 5 diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TLSA.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TLSA.py new file mode 100644 index 0000000..4dffc55 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TLSA.py @@ -0,0 +1,9 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.immutable +import dns.rdtypes.tlsabase + + +@dns.immutable.immutable +class TLSA(dns.rdtypes.tlsabase.TLSABase): + """TLSA record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TSIG.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TSIG.py new file mode 100644 index 0000000..7942382 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TSIG.py @@ -0,0 +1,160 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import struct + +import dns.exception +import dns.immutable +import dns.rcode +import dns.rdata + + +@dns.immutable.immutable +class TSIG(dns.rdata.Rdata): + """TSIG record""" + + __slots__ = [ + "algorithm", + "time_signed", + "fudge", + "mac", + "original_id", + "error", + "other", + ] + + def __init__( + self, + rdclass, + rdtype, + algorithm, + time_signed, + fudge, + mac, + original_id, + error, + other, + ): + """Initialize a TSIG rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + + *algorithm*, a ``dns.name.Name``. + + *time_signed*, an ``int``. + + *fudge*, an ``int`. + + *mac*, a ``bytes`` + + *original_id*, an ``int`` + + *error*, an ``int`` + + *other*, a ``bytes`` + """ + + super().__init__(rdclass, rdtype) + self.algorithm = self._as_name(algorithm) + self.time_signed = self._as_uint48(time_signed) + self.fudge = self._as_uint16(fudge) + self.mac = self._as_bytes(mac) + self.original_id = self._as_uint16(original_id) + self.error = dns.rcode.Rcode.make(error) + self.other = self._as_bytes(other) + + def to_text(self, origin=None, relativize=True, **kw): + algorithm = self.algorithm.choose_relativity(origin, relativize) + error = dns.rcode.to_text(self.error, True) + text = ( + f"{algorithm} {self.time_signed} {self.fudge} " + + f"{len(self.mac)} {dns.rdata._base64ify(self.mac, 0)} " + + f"{self.original_id} {error} {len(self.other)}" + ) + if self.other: + text += f" {dns.rdata._base64ify(self.other, 0)}" + return text + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + algorithm = tok.get_name(relativize=False) + time_signed = tok.get_uint48() + fudge = tok.get_uint16() + mac_len = tok.get_uint16() + mac = base64.b64decode(tok.get_string()) + if len(mac) != mac_len: + raise SyntaxError("invalid MAC") + original_id = tok.get_uint16() + error = dns.rcode.from_text(tok.get_string()) + other_len = tok.get_uint16() + if other_len > 0: + other = base64.b64decode(tok.get_string()) + if len(other) != other_len: + raise SyntaxError("invalid other data") + else: + other = b"" + return cls( + rdclass, + rdtype, + algorithm, + time_signed, + fudge, + mac, + original_id, + error, + other, + ) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.algorithm.to_wire(file, None, origin, False) + file.write( + struct.pack( + "!HIHH", + (self.time_signed >> 32) & 0xFFFF, + self.time_signed & 0xFFFFFFFF, + self.fudge, + len(self.mac), + ) + ) + file.write(self.mac) + file.write(struct.pack("!HHH", self.original_id, self.error, len(self.other))) + file.write(self.other) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + algorithm = parser.get_name() + time_signed = parser.get_uint48() + fudge = parser.get_uint16() + mac = parser.get_counted_bytes(2) + (original_id, error) = parser.get_struct("!HH") + other = parser.get_counted_bytes(2) + return cls( + rdclass, + rdtype, + algorithm, + time_signed, + fudge, + mac, + original_id, + error, + other, + ) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TXT.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TXT.py new file mode 100644 index 0000000..6d4dae2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/TXT.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.txtbase + + +@dns.immutable.immutable +class TXT(dns.rdtypes.txtbase.TXTBase): + """TXT record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/URI.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/URI.py new file mode 100644 index 0000000..2efbb30 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/URI.py @@ -0,0 +1,79 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# Copyright (C) 2015 Red Hat, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdtypes.util + + +@dns.immutable.immutable +class URI(dns.rdata.Rdata): + """URI record""" + + # see RFC 7553 + + __slots__ = ["priority", "weight", "target"] + + def __init__(self, rdclass, rdtype, priority, weight, target): + super().__init__(rdclass, rdtype) + self.priority = self._as_uint16(priority) + self.weight = self._as_uint16(weight) + self.target = self._as_bytes(target, True) + if len(self.target) == 0: + raise dns.exception.SyntaxError("URI target cannot be empty") + + def to_text(self, origin=None, relativize=True, **kw): + return '%d %d "%s"' % (self.priority, self.weight, self.target.decode()) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + priority = tok.get_uint16() + weight = tok.get_uint16() + target = tok.get().unescape() + if not (target.is_quoted_string() or target.is_identifier()): + raise dns.exception.SyntaxError("URI target must be a string") + return cls(rdclass, rdtype, priority, weight, target.value) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + two_ints = struct.pack("!HH", self.priority, self.weight) + file.write(two_ints) + file.write(self.target) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (priority, weight) = parser.get_struct("!HH") + target = parser.get_remaining() + if len(target) == 0: + raise dns.exception.FormError("URI target may not be empty") + return cls(rdclass, rdtype, priority, weight, target) + + def _processing_priority(self): + return self.priority + + def _processing_weight(self): + return self.weight + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.weighted_processing_order(iterable) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/X25.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/X25.py new file mode 100644 index 0000000..8375611 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/X25.py @@ -0,0 +1,57 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class X25(dns.rdata.Rdata): + """X25 record""" + + # see RFC 1183 + + __slots__ = ["address"] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_bytes(address, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + return '"%s"' % dns.rdata._escapify(self.address) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + address = tok.get_string() + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.address) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(self.address) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_counted_bytes() + return cls(rdclass, rdtype, address) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/ZONEMD.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/ZONEMD.py new file mode 100644 index 0000000..c90e3ee --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/ZONEMD.py @@ -0,0 +1,66 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import binascii +import struct + +import dns.immutable +import dns.rdata +import dns.rdatatype +import dns.zonetypes + + +@dns.immutable.immutable +class ZONEMD(dns.rdata.Rdata): + """ZONEMD record""" + + # See RFC 8976 + + __slots__ = ["serial", "scheme", "hash_algorithm", "digest"] + + def __init__(self, rdclass, rdtype, serial, scheme, hash_algorithm, digest): + super().__init__(rdclass, rdtype) + self.serial = self._as_uint32(serial) + self.scheme = dns.zonetypes.DigestScheme.make(scheme) + self.hash_algorithm = dns.zonetypes.DigestHashAlgorithm.make(hash_algorithm) + self.digest = self._as_bytes(digest) + + if self.scheme == 0: # reserved, RFC 8976 Sec. 5.2 + raise ValueError("scheme 0 is reserved") + if self.hash_algorithm == 0: # reserved, RFC 8976 Sec. 5.3 + raise ValueError("hash_algorithm 0 is reserved") + + hasher = dns.zonetypes._digest_hashers.get(self.hash_algorithm) + if hasher and hasher().digest_size != len(self.digest): + raise ValueError("digest length inconsistent with hash algorithm") + + def to_text(self, origin=None, relativize=True, **kw): + kw = kw.copy() + chunksize = kw.pop("chunksize", 128) + return "%d %d %d %s" % ( + self.serial, + self.scheme, + self.hash_algorithm, + dns.rdata._hexify(self.digest, chunksize=chunksize, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + serial = tok.get_uint32() + scheme = tok.get_uint8() + hash_algorithm = tok.get_uint8() + digest = tok.concatenate_remaining_identifiers().encode() + digest = binascii.unhexlify(digest) + return cls(rdclass, rdtype, serial, scheme, hash_algorithm, digest) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!IBB", self.serial, self.scheme, self.hash_algorithm) + file.write(header) + file.write(self.digest) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("!IBB") + digest = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], header[2], digest) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/__init__.py b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/__init__.py new file mode 100644 index 0000000..3824a0a --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/__init__.py @@ -0,0 +1,68 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Class ANY (generic) rdata type classes.""" + +__all__ = [ + "AFSDB", + "AMTRELAY", + "AVC", + "CAA", + "CDNSKEY", + "CDS", + "CERT", + "CNAME", + "CSYNC", + "DLV", + "DNAME", + "DNSKEY", + "DS", + "EUI48", + "EUI64", + "GPOS", + "HINFO", + "HIP", + "ISDN", + "L32", + "L64", + "LOC", + "LP", + "MX", + "NID", + "NINFO", + "NS", + "NSEC", + "NSEC3", + "NSEC3PARAM", + "OPENPGPKEY", + "OPT", + "PTR", + "RP", + "RRSIG", + "RT", + "SMIMEA", + "SOA", + "SPF", + "SSHFP", + "TKEY", + "TLSA", + "TSIG", + "TXT", + "URI", + "X25", + "ZONEMD", +] diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/__pycache__/AFSDB.cpython-312.pyc 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0000000..536771c Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/ANY/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/CH/A.py b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/A.py new file mode 100644 index 0000000..583a88a --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/A.py @@ -0,0 +1,59 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.immutable +import dns.rdtypes.mxbase + + +@dns.immutable.immutable +class A(dns.rdata.Rdata): + """A record for Chaosnet""" + + # domain: the domain of the address + # address: the 16-bit address + + __slots__ = ["domain", "address"] + + def __init__(self, rdclass, rdtype, domain, address): + super().__init__(rdclass, rdtype) + self.domain = self._as_name(domain) + self.address = self._as_uint16(address) + + def to_text(self, origin=None, relativize=True, **kw): + domain = self.domain.choose_relativity(origin, relativize) + return "%s %o" % (domain, self.address) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + domain = tok.get_name(origin, relativize, relativize_to) + address = tok.get_uint16(base=8) + return cls(rdclass, rdtype, domain, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.domain.to_wire(file, compress, origin, canonicalize) + pref = struct.pack("!H", self.address) + file.write(pref) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + domain = parser.get_name(origin) + address = parser.get_uint16() + return cls(rdclass, rdtype, domain, address) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__init__.py b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__init__.py new file mode 100644 index 0000000..0760c26 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__init__.py @@ -0,0 +1,22 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Class CH rdata type classes.""" + +__all__ = [ + "A", +] diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__pycache__/A.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__pycache__/A.cpython-312.pyc new file mode 100644 index 0000000..ca336cd Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__pycache__/A.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..83e2d4a Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/CH/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/A.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/A.py new file mode 100644 index 0000000..e09d611 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/A.py @@ -0,0 +1,51 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class A(dns.rdata.Rdata): + """A record.""" + + __slots__ = ["address"] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_ipv4_address(address) + + def to_text(self, origin=None, relativize=True, **kw): + return self.address + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + address = tok.get_identifier() + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(dns.ipv4.inet_aton(self.address)) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_remaining() + return cls(rdclass, rdtype, address) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/AAAA.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/AAAA.py new file mode 100644 index 0000000..0cd139e --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/AAAA.py @@ -0,0 +1,51 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.ipv6 +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class AAAA(dns.rdata.Rdata): + """AAAA record.""" + + __slots__ = ["address"] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_ipv6_address(address) + + def to_text(self, origin=None, relativize=True, **kw): + return self.address + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + address = tok.get_identifier() + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(dns.ipv6.inet_aton(self.address)) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_remaining() + return cls(rdclass, rdtype, address) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/APL.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/APL.py new file mode 100644 index 0000000..44cb3fe --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/APL.py @@ -0,0 +1,150 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii +import codecs +import struct + +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.ipv6 +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class APLItem: + """An APL list item.""" + + __slots__ = ["family", "negation", "address", "prefix"] + + def __init__(self, family, negation, address, prefix): + self.family = dns.rdata.Rdata._as_uint16(family) + self.negation = dns.rdata.Rdata._as_bool(negation) + if self.family == 1: + self.address = dns.rdata.Rdata._as_ipv4_address(address) + self.prefix = dns.rdata.Rdata._as_int(prefix, 0, 32) + elif self.family == 2: + self.address = dns.rdata.Rdata._as_ipv6_address(address) + self.prefix = dns.rdata.Rdata._as_int(prefix, 0, 128) + else: + self.address = dns.rdata.Rdata._as_bytes(address, max_length=127) + self.prefix = dns.rdata.Rdata._as_uint8(prefix) + + def __str__(self): + if self.negation: + return "!%d:%s/%s" % (self.family, self.address, self.prefix) + else: + return "%d:%s/%s" % (self.family, self.address, self.prefix) + + def to_wire(self, file): + if self.family == 1: + address = dns.ipv4.inet_aton(self.address) + elif self.family == 2: + address = dns.ipv6.inet_aton(self.address) + else: + address = binascii.unhexlify(self.address) + # + # Truncate least significant zero bytes. + # + last = 0 + for i in range(len(address) - 1, -1, -1): + if address[i] != 0: + last = i + 1 + break + address = address[0:last] + l = len(address) + assert l < 128 + if self.negation: + l |= 0x80 + header = struct.pack("!HBB", self.family, self.prefix, l) + file.write(header) + file.write(address) + + +@dns.immutable.immutable +class APL(dns.rdata.Rdata): + """APL record.""" + + # see: RFC 3123 + + __slots__ = ["items"] + + def __init__(self, rdclass, rdtype, items): + super().__init__(rdclass, rdtype) + for item in items: + if not isinstance(item, APLItem): + raise ValueError("item not an APLItem") + self.items = tuple(items) + + def to_text(self, origin=None, relativize=True, **kw): + return " ".join(map(str, self.items)) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + items = [] + for token in tok.get_remaining(): + item = token.unescape().value + if item[0] == "!": + negation = True + item = item[1:] + else: + negation = False + (family, rest) = item.split(":", 1) + family = int(family) + (address, prefix) = rest.split("/", 1) + prefix = int(prefix) + item = APLItem(family, negation, address, prefix) + items.append(item) + + return cls(rdclass, rdtype, items) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + for item in self.items: + item.to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + items = [] + while parser.remaining() > 0: + header = parser.get_struct("!HBB") + afdlen = header[2] + if afdlen > 127: + negation = True + afdlen -= 128 + else: + negation = False + address = parser.get_bytes(afdlen) + l = len(address) + if header[0] == 1: + if l < 4: + address += b"\x00" * (4 - l) + elif header[0] == 2: + if l < 16: + address += b"\x00" * (16 - l) + else: + # + # This isn't really right according to the RFC, but it + # seems better than throwing an exception + # + address = codecs.encode(address, "hex_codec") + item = APLItem(header[0], negation, address, header[1]) + items.append(item) + return cls(rdclass, rdtype, items) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/DHCID.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/DHCID.py new file mode 100644 index 0000000..723492f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/DHCID.py @@ -0,0 +1,54 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 + +import dns.exception +import dns.immutable +import dns.rdata + + +@dns.immutable.immutable +class DHCID(dns.rdata.Rdata): + """DHCID record""" + + # see: RFC 4701 + + __slots__ = ["data"] + + def __init__(self, rdclass, rdtype, data): + super().__init__(rdclass, rdtype) + self.data = self._as_bytes(data) + + def to_text(self, origin=None, relativize=True, **kw): + return dns.rdata._base64ify(self.data, **kw) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + b64 = tok.concatenate_remaining_identifiers().encode() + data = base64.b64decode(b64) + return cls(rdclass, rdtype, data) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.data) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + data = parser.get_remaining() + return cls(rdclass, rdtype, data) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/HTTPS.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/HTTPS.py new file mode 100644 index 0000000..15464cb --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/HTTPS.py @@ -0,0 +1,9 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.immutable +import dns.rdtypes.svcbbase + + +@dns.immutable.immutable +class HTTPS(dns.rdtypes.svcbbase.SVCBBase): + """HTTPS record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/IPSECKEY.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/IPSECKEY.py new file mode 100644 index 0000000..e3a6615 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/IPSECKEY.py @@ -0,0 +1,91 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import struct + +import dns.exception +import dns.immutable +import dns.rdtypes.util + + +class Gateway(dns.rdtypes.util.Gateway): + name = "IPSECKEY gateway" + + +@dns.immutable.immutable +class IPSECKEY(dns.rdata.Rdata): + """IPSECKEY record""" + + # see: RFC 4025 + + __slots__ = ["precedence", "gateway_type", "algorithm", "gateway", "key"] + + def __init__( + self, rdclass, rdtype, precedence, gateway_type, algorithm, gateway, key + ): + super().__init__(rdclass, rdtype) + gateway = Gateway(gateway_type, gateway) + self.precedence = self._as_uint8(precedence) + self.gateway_type = gateway.type + self.algorithm = self._as_uint8(algorithm) + self.gateway = gateway.gateway + self.key = self._as_bytes(key) + + def to_text(self, origin=None, relativize=True, **kw): + gateway = Gateway(self.gateway_type, self.gateway).to_text(origin, relativize) + return "%d %d %d %s %s" % ( + self.precedence, + self.gateway_type, + self.algorithm, + gateway, + dns.rdata._base64ify(self.key, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + precedence = tok.get_uint8() + gateway_type = tok.get_uint8() + algorithm = tok.get_uint8() + gateway = Gateway.from_text( + gateway_type, tok, origin, relativize, relativize_to + ) + b64 = tok.concatenate_remaining_identifiers().encode() + key = base64.b64decode(b64) + return cls( + rdclass, rdtype, precedence, gateway_type, algorithm, gateway.gateway, key + ) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!BBB", self.precedence, self.gateway_type, self.algorithm) + file.write(header) + Gateway(self.gateway_type, self.gateway).to_wire( + file, compress, origin, canonicalize + ) + file.write(self.key) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("!BBB") + gateway_type = header[1] + gateway = Gateway.from_wire_parser(gateway_type, parser, origin) + key = parser.get_remaining() + return cls( + rdclass, rdtype, header[0], gateway_type, header[2], gateway.gateway, key + ) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/KX.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/KX.py new file mode 100644 index 0000000..6073df4 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/KX.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.mxbase + + +@dns.immutable.immutable +class KX(dns.rdtypes.mxbase.UncompressedDowncasingMX): + """KX record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NAPTR.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NAPTR.py new file mode 100644 index 0000000..195d1cb --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NAPTR.py @@ -0,0 +1,110 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdtypes.util + + +def _write_string(file, s): + l = len(s) + assert l < 256 + file.write(struct.pack("!B", l)) + file.write(s) + + +@dns.immutable.immutable +class NAPTR(dns.rdata.Rdata): + """NAPTR record""" + + # see: RFC 3403 + + __slots__ = ["order", "preference", "flags", "service", "regexp", "replacement"] + + def __init__( + self, rdclass, rdtype, order, preference, flags, service, regexp, replacement + ): + super().__init__(rdclass, rdtype) + self.flags = self._as_bytes(flags, True, 255) + self.service = self._as_bytes(service, True, 255) + self.regexp = self._as_bytes(regexp, True, 255) + self.order = self._as_uint16(order) + self.preference = self._as_uint16(preference) + self.replacement = self._as_name(replacement) + + def to_text(self, origin=None, relativize=True, **kw): + replacement = self.replacement.choose_relativity(origin, relativize) + return '%d %d "%s" "%s" "%s" %s' % ( + self.order, + self.preference, + dns.rdata._escapify(self.flags), + dns.rdata._escapify(self.service), + dns.rdata._escapify(self.regexp), + replacement, + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + order = tok.get_uint16() + preference = tok.get_uint16() + flags = tok.get_string() + service = tok.get_string() + regexp = tok.get_string() + replacement = tok.get_name(origin, relativize, relativize_to) + return cls( + rdclass, rdtype, order, preference, flags, service, regexp, replacement + ) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + two_ints = struct.pack("!HH", self.order, self.preference) + file.write(two_ints) + _write_string(file, self.flags) + _write_string(file, self.service) + _write_string(file, self.regexp) + self.replacement.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (order, preference) = parser.get_struct("!HH") + strings = [] + for _ in range(3): + s = parser.get_counted_bytes() + strings.append(s) + replacement = parser.get_name(origin) + return cls( + rdclass, + rdtype, + order, + preference, + strings[0], + strings[1], + strings[2], + replacement, + ) + + def _processing_priority(self): + return (self.order, self.preference) + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NSAP.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NSAP.py new file mode 100644 index 0000000..a4854b3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NSAP.py @@ -0,0 +1,60 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class NSAP(dns.rdata.Rdata): + """NSAP record.""" + + # see: RFC 1706 + + __slots__ = ["address"] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_bytes(address) + + def to_text(self, origin=None, relativize=True, **kw): + return "0x%s" % binascii.hexlify(self.address).decode() + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + address = tok.get_string() + if address[0:2] != "0x": + raise dns.exception.SyntaxError("string does not start with 0x") + address = address[2:].replace(".", "") + if len(address) % 2 != 0: + raise dns.exception.SyntaxError("hexstring has odd length") + address = binascii.unhexlify(address.encode()) + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.address) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_remaining() + return cls(rdclass, rdtype, address) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NSAP_PTR.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NSAP_PTR.py new file mode 100644 index 0000000..ce1c663 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/NSAP_PTR.py @@ -0,0 +1,24 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.immutable +import dns.rdtypes.nsbase + + +@dns.immutable.immutable +class NSAP_PTR(dns.rdtypes.nsbase.UncompressedNS): + """NSAP-PTR record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/PX.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/PX.py new file mode 100644 index 0000000..cdca153 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/PX.py @@ -0,0 +1,73 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdtypes.util + + +@dns.immutable.immutable +class PX(dns.rdata.Rdata): + """PX record.""" + + # see: RFC 2163 + + __slots__ = ["preference", "map822", "mapx400"] + + def __init__(self, rdclass, rdtype, preference, map822, mapx400): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + self.map822 = self._as_name(map822) + self.mapx400 = self._as_name(mapx400) + + def to_text(self, origin=None, relativize=True, **kw): + map822 = self.map822.choose_relativity(origin, relativize) + mapx400 = self.mapx400.choose_relativity(origin, relativize) + return "%d %s %s" % (self.preference, map822, mapx400) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + preference = tok.get_uint16() + map822 = tok.get_name(origin, relativize, relativize_to) + mapx400 = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, preference, map822, mapx400) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + pref = struct.pack("!H", self.preference) + file.write(pref) + self.map822.to_wire(file, None, origin, canonicalize) + self.mapx400.to_wire(file, None, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + map822 = parser.get_name(origin) + mapx400 = parser.get_name(origin) + return cls(rdclass, rdtype, preference, map822, mapx400) + + def _processing_priority(self): + return self.preference + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/SRV.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/SRV.py new file mode 100644 index 0000000..5adef98 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/SRV.py @@ -0,0 +1,75 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdtypes.util + + +@dns.immutable.immutable +class SRV(dns.rdata.Rdata): + """SRV record""" + + # see: RFC 2782 + + __slots__ = ["priority", "weight", "port", "target"] + + def __init__(self, rdclass, rdtype, priority, weight, port, target): + super().__init__(rdclass, rdtype) + self.priority = self._as_uint16(priority) + self.weight = self._as_uint16(weight) + self.port = self._as_uint16(port) + self.target = self._as_name(target) + + def to_text(self, origin=None, relativize=True, **kw): + target = self.target.choose_relativity(origin, relativize) + return "%d %d %d %s" % (self.priority, self.weight, self.port, target) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + priority = tok.get_uint16() + weight = tok.get_uint16() + port = tok.get_uint16() + target = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, priority, weight, port, target) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + three_ints = struct.pack("!HHH", self.priority, self.weight, self.port) + file.write(three_ints) + self.target.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (priority, weight, port) = parser.get_struct("!HHH") + target = parser.get_name(origin) + return cls(rdclass, rdtype, priority, weight, port, target) + + def _processing_priority(self): + return self.priority + + def _processing_weight(self): + return self.weight + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.weighted_processing_order(iterable) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/SVCB.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/SVCB.py new file mode 100644 index 0000000..ff3e932 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/SVCB.py @@ -0,0 +1,9 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.immutable +import dns.rdtypes.svcbbase + + +@dns.immutable.immutable +class SVCB(dns.rdtypes.svcbbase.SVCBBase): + """SVCB record""" diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/WKS.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/WKS.py new file mode 100644 index 0000000..881a784 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/WKS.py @@ -0,0 +1,100 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import socket +import struct + +import dns.immutable +import dns.ipv4 +import dns.rdata + +try: + _proto_tcp = socket.getprotobyname("tcp") + _proto_udp = socket.getprotobyname("udp") +except OSError: + # Fall back to defaults in case /etc/protocols is unavailable. + _proto_tcp = 6 + _proto_udp = 17 + + +@dns.immutable.immutable +class WKS(dns.rdata.Rdata): + """WKS record""" + + # see: RFC 1035 + + __slots__ = ["address", "protocol", "bitmap"] + + def __init__(self, rdclass, rdtype, address, protocol, bitmap): + super().__init__(rdclass, rdtype) + self.address = self._as_ipv4_address(address) + self.protocol = self._as_uint8(protocol) + self.bitmap = self._as_bytes(bitmap) + + def to_text(self, origin=None, relativize=True, **kw): + bits = [] + for i, byte in enumerate(self.bitmap): + for j in range(0, 8): + if byte & (0x80 >> j): + bits.append(str(i * 8 + j)) + text = " ".join(bits) + return "%s %d %s" % (self.address, self.protocol, text) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + address = tok.get_string() + protocol = tok.get_string() + if protocol.isdigit(): + protocol = int(protocol) + else: + protocol = socket.getprotobyname(protocol) + bitmap = bytearray() + for token in tok.get_remaining(): + value = token.unescape().value + if value.isdigit(): + serv = int(value) + else: + if protocol != _proto_udp and protocol != _proto_tcp: + raise NotImplementedError("protocol must be TCP or UDP") + if protocol == _proto_udp: + protocol_text = "udp" + else: + protocol_text = "tcp" + serv = socket.getservbyname(value, protocol_text) + i = serv // 8 + l = len(bitmap) + if l < i + 1: + for _ in range(l, i + 1): + bitmap.append(0) + bitmap[i] = bitmap[i] | (0x80 >> (serv % 8)) + bitmap = dns.rdata._truncate_bitmap(bitmap) + return cls(rdclass, rdtype, address, protocol, bitmap) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(dns.ipv4.inet_aton(self.address)) + protocol = struct.pack("!B", self.protocol) + file.write(protocol) + file.write(self.bitmap) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_bytes(4) + protocol = parser.get_uint8() + bitmap = parser.get_remaining() + return cls(rdclass, rdtype, address, protocol, bitmap) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/__init__.py b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/__init__.py new file mode 100644 index 0000000..dcec4dd --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/__init__.py @@ -0,0 +1,35 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Class IN rdata type classes.""" + +__all__ = [ + "A", + "AAAA", + "APL", + "DHCID", + "HTTPS", + "IPSECKEY", + "KX", + "NAPTR", + "NSAP", + "NSAP_PTR", + "PX", + "SRV", + "SVCB", + "WKS", +] diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/__pycache__/A.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/__pycache__/A.cpython-312.pyc new file mode 100644 index 0000000..3cdc0cf Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/IN/__pycache__/A.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/IN/__pycache__/AAAA.cpython-312.pyc 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index 0000000..3997f84 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/__init__.py @@ -0,0 +1,33 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS rdata type classes""" + +__all__ = [ + "ANY", + "IN", + "CH", + "dnskeybase", + "dsbase", + "euibase", + "mxbase", + "nsbase", + "svcbbase", + "tlsabase", + "txtbase", + "util", +] diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..4de96ce Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/dnskeybase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/dnskeybase.cpython-312.pyc new file mode 100644 index 0000000..81143bd Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/dnskeybase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/dsbase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/dsbase.cpython-312.pyc new file mode 100644 index 0000000..e251863 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/dsbase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/euibase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/euibase.cpython-312.pyc new file mode 100644 index 0000000..db41c48 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/euibase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/mxbase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/mxbase.cpython-312.pyc new file mode 100644 index 0000000..97535f7 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/mxbase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/nsbase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/nsbase.cpython-312.pyc new file mode 100644 index 0000000..38e4ec1 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/nsbase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/svcbbase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/svcbbase.cpython-312.pyc new file mode 100644 index 0000000..0efc627 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/svcbbase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/tlsabase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/tlsabase.cpython-312.pyc new file mode 100644 index 0000000..8594289 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/tlsabase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/txtbase.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/txtbase.cpython-312.pyc new file mode 100644 index 0000000..95238c3 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/txtbase.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/util.cpython-312.pyc b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/util.cpython-312.pyc new file mode 100644 index 0000000..9d53a22 Binary files /dev/null and b/venv/lib/python3.12/site-packages/dns/rdtypes/__pycache__/util.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/dnskeybase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/dnskeybase.py new file mode 100644 index 0000000..db300f8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/dnskeybase.py @@ -0,0 +1,87 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import enum +import struct + +import dns.dnssectypes +import dns.exception +import dns.immutable +import dns.rdata + +# wildcard import +__all__ = ["SEP", "REVOKE", "ZONE"] # noqa: F822 + + +class Flag(enum.IntFlag): + SEP = 0x0001 + REVOKE = 0x0080 + ZONE = 0x0100 + + +@dns.immutable.immutable +class DNSKEYBase(dns.rdata.Rdata): + """Base class for rdata that is like a DNSKEY record""" + + __slots__ = ["flags", "protocol", "algorithm", "key"] + + def __init__(self, rdclass, rdtype, flags, protocol, algorithm, key): + super().__init__(rdclass, rdtype) + self.flags = Flag(self._as_uint16(flags)) + self.protocol = self._as_uint8(protocol) + self.algorithm = dns.dnssectypes.Algorithm.make(algorithm) + self.key = self._as_bytes(key) + + def to_text(self, origin=None, relativize=True, **kw): + return "%d %d %d %s" % ( + self.flags, + self.protocol, + self.algorithm, + dns.rdata._base64ify(self.key, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + flags = tok.get_uint16() + protocol = tok.get_uint8() + algorithm = tok.get_string() + b64 = tok.concatenate_remaining_identifiers().encode() + key = base64.b64decode(b64) + return cls(rdclass, rdtype, flags, protocol, algorithm, key) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!HBB", self.flags, self.protocol, self.algorithm) + file.write(header) + file.write(self.key) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("!HBB") + key = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], header[2], key) + + +### BEGIN generated Flag constants + +SEP = Flag.SEP +REVOKE = Flag.REVOKE +ZONE = Flag.ZONE + +### END generated Flag constants diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/dsbase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/dsbase.py new file mode 100644 index 0000000..cd21f02 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/dsbase.py @@ -0,0 +1,85 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2010, 2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii +import struct + +import dns.dnssectypes +import dns.immutable +import dns.rdata +import dns.rdatatype + + +@dns.immutable.immutable +class DSBase(dns.rdata.Rdata): + """Base class for rdata that is like a DS record""" + + __slots__ = ["key_tag", "algorithm", "digest_type", "digest"] + + # Digest types registry: + # https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml + _digest_length_by_type = { + 1: 20, # SHA-1, RFC 3658 Sec. 2.4 + 2: 32, # SHA-256, RFC 4509 Sec. 2.2 + 3: 32, # GOST R 34.11-94, RFC 5933 Sec. 4 in conjunction with RFC 4490 Sec. 2.1 + 4: 48, # SHA-384, RFC 6605 Sec. 2 + } + + def __init__(self, rdclass, rdtype, key_tag, algorithm, digest_type, digest): + super().__init__(rdclass, rdtype) + self.key_tag = self._as_uint16(key_tag) + self.algorithm = dns.dnssectypes.Algorithm.make(algorithm) + self.digest_type = dns.dnssectypes.DSDigest.make(self._as_uint8(digest_type)) + self.digest = self._as_bytes(digest) + try: + if len(self.digest) != self._digest_length_by_type[self.digest_type]: + raise ValueError("digest length inconsistent with digest type") + except KeyError: + if self.digest_type == 0: # reserved, RFC 3658 Sec. 2.4 + raise ValueError("digest type 0 is reserved") + + def to_text(self, origin=None, relativize=True, **kw): + kw = kw.copy() + chunksize = kw.pop("chunksize", 128) + return "%d %d %d %s" % ( + self.key_tag, + self.algorithm, + self.digest_type, + dns.rdata._hexify(self.digest, chunksize=chunksize, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + key_tag = tok.get_uint16() + algorithm = tok.get_string() + digest_type = tok.get_uint8() + digest = tok.concatenate_remaining_identifiers().encode() + digest = binascii.unhexlify(digest) + return cls(rdclass, rdtype, key_tag, algorithm, digest_type, digest) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!HBB", self.key_tag, self.algorithm, self.digest_type) + file.write(header) + file.write(self.digest) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("!HBB") + digest = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], header[2], digest) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/euibase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/euibase.py new file mode 100644 index 0000000..751087b --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/euibase.py @@ -0,0 +1,70 @@ +# Copyright (C) 2015 Red Hat, Inc. +# Author: Petr Spacek +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii + +import dns.immutable +import dns.rdata + + +@dns.immutable.immutable +class EUIBase(dns.rdata.Rdata): + """EUIxx record""" + + # see: rfc7043.txt + + __slots__ = ["eui"] + # define these in subclasses + # byte_len = 6 # 0123456789ab (in hex) + # text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab + + def __init__(self, rdclass, rdtype, eui): + super().__init__(rdclass, rdtype) + self.eui = self._as_bytes(eui) + if len(self.eui) != self.byte_len: + raise dns.exception.FormError( + "EUI%s rdata has to have %s bytes" % (self.byte_len * 8, self.byte_len) + ) + + def to_text(self, origin=None, relativize=True, **kw): + return dns.rdata._hexify(self.eui, chunksize=2, separator=b"-", **kw) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + text = tok.get_string() + if len(text) != cls.text_len: + raise dns.exception.SyntaxError( + "Input text must have %s characters" % cls.text_len + ) + for i in range(2, cls.byte_len * 3 - 1, 3): + if text[i] != "-": + raise dns.exception.SyntaxError("Dash expected at position %s" % i) + text = text.replace("-", "") + try: + data = binascii.unhexlify(text.encode()) + except (ValueError, TypeError) as ex: + raise dns.exception.SyntaxError("Hex decoding error: %s" % str(ex)) + return cls(rdclass, rdtype, data) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.eui) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + eui = parser.get_bytes(cls.byte_len) + return cls(rdclass, rdtype, eui) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/mxbase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/mxbase.py new file mode 100644 index 0000000..6d5e3d8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/mxbase.py @@ -0,0 +1,87 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""MX-like base classes.""" + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata +import dns.rdtypes.util + + +@dns.immutable.immutable +class MXBase(dns.rdata.Rdata): + """Base class for rdata that is like an MX record.""" + + __slots__ = ["preference", "exchange"] + + def __init__(self, rdclass, rdtype, preference, exchange): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + self.exchange = self._as_name(exchange) + + def to_text(self, origin=None, relativize=True, **kw): + exchange = self.exchange.choose_relativity(origin, relativize) + return "%d %s" % (self.preference, exchange) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + preference = tok.get_uint16() + exchange = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, preference, exchange) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + pref = struct.pack("!H", self.preference) + file.write(pref) + self.exchange.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + exchange = parser.get_name(origin) + return cls(rdclass, rdtype, preference, exchange) + + def _processing_priority(self): + return self.preference + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) + + +@dns.immutable.immutable +class UncompressedMX(MXBase): + """Base class for rdata that is like an MX record, but whose name + is not compressed when converted to DNS wire format, and whose + digestable form is not downcased.""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + super()._to_wire(file, None, origin, False) + + +@dns.immutable.immutable +class UncompressedDowncasingMX(MXBase): + """Base class for rdata that is like an MX record, but whose name + is not compressed when convert to DNS wire format.""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + super()._to_wire(file, None, origin, canonicalize) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/nsbase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/nsbase.py new file mode 100644 index 0000000..904224f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/nsbase.py @@ -0,0 +1,63 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""NS-like base classes.""" + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata + + +@dns.immutable.immutable +class NSBase(dns.rdata.Rdata): + """Base class for rdata that is like an NS record.""" + + __slots__ = ["target"] + + def __init__(self, rdclass, rdtype, target): + super().__init__(rdclass, rdtype) + self.target = self._as_name(target) + + def to_text(self, origin=None, relativize=True, **kw): + target = self.target.choose_relativity(origin, relativize) + return str(target) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + target = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, target) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.target.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + target = parser.get_name(origin) + return cls(rdclass, rdtype, target) + + +@dns.immutable.immutable +class UncompressedNS(NSBase): + """Base class for rdata that is like an NS record, but whose name + is not compressed when convert to DNS wire format, and whose + digestable form is not downcased.""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.target.to_wire(file, None, origin, False) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/svcbbase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/svcbbase.py new file mode 100644 index 0000000..0565241 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/svcbbase.py @@ -0,0 +1,553 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import base64 +import enum +import struct + +import dns.enum +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.ipv6 +import dns.name +import dns.rdata +import dns.rdtypes.util +import dns.renderer +import dns.tokenizer +import dns.wire + +# Until there is an RFC, this module is experimental and may be changed in +# incompatible ways. + + +class UnknownParamKey(dns.exception.DNSException): + """Unknown SVCB ParamKey""" + + +class ParamKey(dns.enum.IntEnum): + """SVCB ParamKey""" + + MANDATORY = 0 + ALPN = 1 + NO_DEFAULT_ALPN = 2 + PORT = 3 + IPV4HINT = 4 + ECH = 5 + IPV6HINT = 6 + DOHPATH = 7 + + @classmethod + def _maximum(cls): + return 65535 + + @classmethod + def _short_name(cls): + return "SVCBParamKey" + + @classmethod + def _prefix(cls): + return "KEY" + + @classmethod + def _unknown_exception_class(cls): + return UnknownParamKey + + +class Emptiness(enum.IntEnum): + NEVER = 0 + ALWAYS = 1 + ALLOWED = 2 + + +def _validate_key(key): + force_generic = False + if isinstance(key, bytes): + # We decode to latin-1 so we get 0-255 as valid and do NOT interpret + # UTF-8 sequences + key = key.decode("latin-1") + if isinstance(key, str): + if key.lower().startswith("key"): + force_generic = True + if key[3:].startswith("0") and len(key) != 4: + # key has leading zeros + raise ValueError("leading zeros in key") + key = key.replace("-", "_") + return (ParamKey.make(key), force_generic) + + +def key_to_text(key): + return ParamKey.to_text(key).replace("_", "-").lower() + + +# Like rdata escapify, but escapes ',' too. + +_escaped = b'",\\' + + +def _escapify(qstring): + text = "" + for c in qstring: + if c in _escaped: + text += "\\" + chr(c) + elif c >= 0x20 and c < 0x7F: + text += chr(c) + else: + text += "\\%03d" % c + return text + + +def _unescape(value): + if value == "": + return value + unescaped = b"" + l = len(value) + i = 0 + while i < l: + c = value[i] + i += 1 + if c == "\\": + if i >= l: # pragma: no cover (can't happen via tokenizer get()) + raise dns.exception.UnexpectedEnd + c = value[i] + i += 1 + if c.isdigit(): + if i >= l: + raise dns.exception.UnexpectedEnd + c2 = value[i] + i += 1 + if i >= l: + raise dns.exception.UnexpectedEnd + c3 = value[i] + i += 1 + if not (c2.isdigit() and c3.isdigit()): + raise dns.exception.SyntaxError + codepoint = int(c) * 100 + int(c2) * 10 + int(c3) + if codepoint > 255: + raise dns.exception.SyntaxError + unescaped += b"%c" % (codepoint) + continue + unescaped += c.encode() + return unescaped + + +def _split(value): + l = len(value) + i = 0 + items = [] + unescaped = b"" + while i < l: + c = value[i] + i += 1 + if c == ord("\\"): + if i >= l: # pragma: no cover (can't happen via tokenizer get()) + raise dns.exception.UnexpectedEnd + c = value[i] + i += 1 + unescaped += b"%c" % (c) + elif c == ord(","): + items.append(unescaped) + unescaped = b"" + else: + unescaped += b"%c" % (c) + items.append(unescaped) + return items + + +@dns.immutable.immutable +class Param: + """Abstract base class for SVCB parameters""" + + @classmethod + def emptiness(cls): + return Emptiness.NEVER + + +@dns.immutable.immutable +class GenericParam(Param): + """Generic SVCB parameter""" + + def __init__(self, value): + self.value = dns.rdata.Rdata._as_bytes(value, True) + + @classmethod + def emptiness(cls): + return Emptiness.ALLOWED + + @classmethod + def from_value(cls, value): + if value is None or len(value) == 0: + return None + else: + return cls(_unescape(value)) + + def to_text(self): + return '"' + dns.rdata._escapify(self.value) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + value = parser.get_bytes(parser.remaining()) + if len(value) == 0: + return None + else: + return cls(value) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + file.write(self.value) + + +@dns.immutable.immutable +class MandatoryParam(Param): + def __init__(self, keys): + # check for duplicates + keys = sorted([_validate_key(key)[0] for key in keys]) + prior_k = None + for k in keys: + if k == prior_k: + raise ValueError(f"duplicate key {k:d}") + prior_k = k + if k == ParamKey.MANDATORY: + raise ValueError("listed the mandatory key as mandatory") + self.keys = tuple(keys) + + @classmethod + def from_value(cls, value): + keys = [k.encode() for k in value.split(",")] + return cls(keys) + + def to_text(self): + return '"' + ",".join([key_to_text(key) for key in self.keys]) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + keys = [] + last_key = -1 + while parser.remaining() > 0: + key = parser.get_uint16() + if key < last_key: + raise dns.exception.FormError("manadatory keys not ascending") + last_key = key + keys.append(key) + return cls(keys) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for key in self.keys: + file.write(struct.pack("!H", key)) + + +@dns.immutable.immutable +class ALPNParam(Param): + def __init__(self, ids): + self.ids = dns.rdata.Rdata._as_tuple( + ids, lambda x: dns.rdata.Rdata._as_bytes(x, True, 255, False) + ) + + @classmethod + def from_value(cls, value): + return cls(_split(_unescape(value))) + + def to_text(self): + value = ",".join([_escapify(id) for id in self.ids]) + return '"' + dns.rdata._escapify(value.encode()) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + ids = [] + while parser.remaining() > 0: + id = parser.get_counted_bytes() + ids.append(id) + return cls(ids) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for id in self.ids: + file.write(struct.pack("!B", len(id))) + file.write(id) + + +@dns.immutable.immutable +class NoDefaultALPNParam(Param): + # We don't ever expect to instantiate this class, but we need + # a from_value() and a from_wire_parser(), so we just return None + # from the class methods when things are OK. + + @classmethod + def emptiness(cls): + return Emptiness.ALWAYS + + @classmethod + def from_value(cls, value): + if value is None or value == "": + return None + else: + raise ValueError("no-default-alpn with non-empty value") + + def to_text(self): + raise NotImplementedError # pragma: no cover + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + if parser.remaining() != 0: + raise dns.exception.FormError + return None + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + raise NotImplementedError # pragma: no cover + + +@dns.immutable.immutable +class PortParam(Param): + def __init__(self, port): + self.port = dns.rdata.Rdata._as_uint16(port) + + @classmethod + def from_value(cls, value): + value = int(value) + return cls(value) + + def to_text(self): + return f'"{self.port}"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + port = parser.get_uint16() + return cls(port) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + file.write(struct.pack("!H", self.port)) + + +@dns.immutable.immutable +class IPv4HintParam(Param): + def __init__(self, addresses): + self.addresses = dns.rdata.Rdata._as_tuple( + addresses, dns.rdata.Rdata._as_ipv4_address + ) + + @classmethod + def from_value(cls, value): + addresses = value.split(",") + return cls(addresses) + + def to_text(self): + return '"' + ",".join(self.addresses) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + addresses = [] + while parser.remaining() > 0: + ip = parser.get_bytes(4) + addresses.append(dns.ipv4.inet_ntoa(ip)) + return cls(addresses) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for address in self.addresses: + file.write(dns.ipv4.inet_aton(address)) + + +@dns.immutable.immutable +class IPv6HintParam(Param): + def __init__(self, addresses): + self.addresses = dns.rdata.Rdata._as_tuple( + addresses, dns.rdata.Rdata._as_ipv6_address + ) + + @classmethod + def from_value(cls, value): + addresses = value.split(",") + return cls(addresses) + + def to_text(self): + return '"' + ",".join(self.addresses) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + addresses = [] + while parser.remaining() > 0: + ip = parser.get_bytes(16) + addresses.append(dns.ipv6.inet_ntoa(ip)) + return cls(addresses) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for address in self.addresses: + file.write(dns.ipv6.inet_aton(address)) + + +@dns.immutable.immutable +class ECHParam(Param): + def __init__(self, ech): + self.ech = dns.rdata.Rdata._as_bytes(ech, True) + + @classmethod + def from_value(cls, value): + if "\\" in value: + raise ValueError("escape in ECH value") + value = base64.b64decode(value.encode()) + return cls(value) + + def to_text(self): + b64 = base64.b64encode(self.ech).decode("ascii") + return f'"{b64}"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + value = parser.get_bytes(parser.remaining()) + return cls(value) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + file.write(self.ech) + + +_class_for_key = { + ParamKey.MANDATORY: MandatoryParam, + ParamKey.ALPN: ALPNParam, + ParamKey.NO_DEFAULT_ALPN: NoDefaultALPNParam, + ParamKey.PORT: PortParam, + ParamKey.IPV4HINT: IPv4HintParam, + ParamKey.ECH: ECHParam, + ParamKey.IPV6HINT: IPv6HintParam, +} + + +def _validate_and_define(params, key, value): + (key, force_generic) = _validate_key(_unescape(key)) + if key in params: + raise SyntaxError(f'duplicate key "{key:d}"') + cls = _class_for_key.get(key, GenericParam) + emptiness = cls.emptiness() + if value is None: + if emptiness == Emptiness.NEVER: + raise SyntaxError("value cannot be empty") + value = cls.from_value(value) + else: + if force_generic: + value = cls.from_wire_parser(dns.wire.Parser(_unescape(value))) + else: + value = cls.from_value(value) + params[key] = value + + +@dns.immutable.immutable +class SVCBBase(dns.rdata.Rdata): + """Base class for SVCB-like records""" + + # see: draft-ietf-dnsop-svcb-https-11 + + __slots__ = ["priority", "target", "params"] + + def __init__(self, rdclass, rdtype, priority, target, params): + super().__init__(rdclass, rdtype) + self.priority = self._as_uint16(priority) + self.target = self._as_name(target) + for k, v in params.items(): + k = ParamKey.make(k) + if not isinstance(v, Param) and v is not None: + raise ValueError(f"{k:d} not a Param") + self.params = dns.immutable.Dict(params) + # Make sure any parameter listed as mandatory is present in the + # record. + mandatory = params.get(ParamKey.MANDATORY) + if mandatory: + for key in mandatory.keys: + # Note we have to say "not in" as we have None as a value + # so a get() and a not None test would be wrong. + if key not in params: + raise ValueError(f"key {key:d} declared mandatory but not present") + # The no-default-alpn parameter requires the alpn parameter. + if ParamKey.NO_DEFAULT_ALPN in params: + if ParamKey.ALPN not in params: + raise ValueError("no-default-alpn present, but alpn missing") + + def to_text(self, origin=None, relativize=True, **kw): + target = self.target.choose_relativity(origin, relativize) + params = [] + for key in sorted(self.params.keys()): + value = self.params[key] + if value is None: + params.append(key_to_text(key)) + else: + kv = key_to_text(key) + "=" + value.to_text() + params.append(kv) + if len(params) > 0: + space = " " + else: + space = "" + return "%d %s%s%s" % (self.priority, target, space, " ".join(params)) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + priority = tok.get_uint16() + target = tok.get_name(origin, relativize, relativize_to) + if priority == 0: + token = tok.get() + if not token.is_eol_or_eof(): + raise SyntaxError("parameters in AliasMode") + tok.unget(token) + params = {} + while True: + token = tok.get() + if token.is_eol_or_eof(): + tok.unget(token) + break + if token.ttype != dns.tokenizer.IDENTIFIER: + raise SyntaxError("parameter is not an identifier") + equals = token.value.find("=") + if equals == len(token.value) - 1: + # 'key=', so next token should be a quoted string without + # any intervening whitespace. + key = token.value[:-1] + token = tok.get(want_leading=True) + if token.ttype != dns.tokenizer.QUOTED_STRING: + raise SyntaxError("whitespace after =") + value = token.value + elif equals > 0: + # key=value + key = token.value[:equals] + value = token.value[equals + 1 :] + elif equals == 0: + # =key + raise SyntaxError('parameter cannot start with "="') + else: + # key + key = token.value + value = None + _validate_and_define(params, key, value) + return cls(rdclass, rdtype, priority, target, params) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!H", self.priority)) + self.target.to_wire(file, None, origin, False) + for key in sorted(self.params): + file.write(struct.pack("!H", key)) + value = self.params[key] + with dns.renderer.prefixed_length(file, 2): + # Note that we're still writing a length of zero if the value is None + if value is not None: + value.to_wire(file, origin) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + priority = parser.get_uint16() + target = parser.get_name(origin) + if priority == 0 and parser.remaining() != 0: + raise dns.exception.FormError("parameters in AliasMode") + params = {} + prior_key = -1 + while parser.remaining() > 0: + key = parser.get_uint16() + if key < prior_key: + raise dns.exception.FormError("keys not in order") + prior_key = key + vlen = parser.get_uint16() + pcls = _class_for_key.get(key, GenericParam) + with parser.restrict_to(vlen): + value = pcls.from_wire_parser(parser, origin) + params[key] = value + return cls(rdclass, rdtype, priority, target, params) + + def _processing_priority(self): + return self.priority + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/tlsabase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/tlsabase.py new file mode 100644 index 0000000..a059d2c --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/tlsabase.py @@ -0,0 +1,71 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2005-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii +import struct + +import dns.immutable +import dns.rdata +import dns.rdatatype + + +@dns.immutable.immutable +class TLSABase(dns.rdata.Rdata): + """Base class for TLSA and SMIMEA records""" + + # see: RFC 6698 + + __slots__ = ["usage", "selector", "mtype", "cert"] + + def __init__(self, rdclass, rdtype, usage, selector, mtype, cert): + super().__init__(rdclass, rdtype) + self.usage = self._as_uint8(usage) + self.selector = self._as_uint8(selector) + self.mtype = self._as_uint8(mtype) + self.cert = self._as_bytes(cert) + + def to_text(self, origin=None, relativize=True, **kw): + kw = kw.copy() + chunksize = kw.pop("chunksize", 128) + return "%d %d %d %s" % ( + self.usage, + self.selector, + self.mtype, + dns.rdata._hexify(self.cert, chunksize=chunksize, **kw), + ) + + @classmethod + def from_text( + cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None + ): + usage = tok.get_uint8() + selector = tok.get_uint8() + mtype = tok.get_uint8() + cert = tok.concatenate_remaining_identifiers().encode() + cert = binascii.unhexlify(cert) + return cls(rdclass, rdtype, usage, selector, mtype, cert) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!BBB", self.usage, self.selector, self.mtype) + file.write(header) + file.write(self.cert) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("BBB") + cert = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], header[2], cert) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/txtbase.py b/venv/lib/python3.12/site-packages/dns/rdtypes/txtbase.py new file mode 100644 index 0000000..44d6df5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/txtbase.py @@ -0,0 +1,104 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""TXT-like base class.""" + +from typing import Any, Dict, Iterable, Optional, Tuple, Union + +import dns.exception +import dns.immutable +import dns.rdata +import dns.renderer +import dns.tokenizer + + +@dns.immutable.immutable +class TXTBase(dns.rdata.Rdata): + """Base class for rdata that is like a TXT record (see RFC 1035).""" + + __slots__ = ["strings"] + + def __init__( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + strings: Iterable[Union[bytes, str]], + ): + """Initialize a TXT-like rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + + *strings*, a tuple of ``bytes`` + """ + super().__init__(rdclass, rdtype) + self.strings: Tuple[bytes] = self._as_tuple( + strings, lambda x: self._as_bytes(x, True, 255) + ) + + def to_text( + self, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + **kw: Dict[str, Any], + ) -> str: + txt = "" + prefix = "" + for s in self.strings: + txt += '{}"{}"'.format(prefix, dns.rdata._escapify(s)) + prefix = " " + return txt + + @classmethod + def from_text( + cls, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + tok: dns.tokenizer.Tokenizer, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + relativize_to: Optional[dns.name.Name] = None, + ) -> dns.rdata.Rdata: + strings = [] + for token in tok.get_remaining(): + token = token.unescape_to_bytes() + # The 'if' below is always true in the current code, but we + # are leaving this check in in case things change some day. + if not ( + token.is_quoted_string() or token.is_identifier() + ): # pragma: no cover + raise dns.exception.SyntaxError("expected a string") + if len(token.value) > 255: + raise dns.exception.SyntaxError("string too long") + strings.append(token.value) + if len(strings) == 0: + raise dns.exception.UnexpectedEnd + return cls(rdclass, rdtype, strings) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + for s in self.strings: + with dns.renderer.prefixed_length(file, 1): + file.write(s) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + strings = [] + while parser.remaining() > 0: + s = parser.get_counted_bytes() + strings.append(s) + return cls(rdclass, rdtype, strings) diff --git a/venv/lib/python3.12/site-packages/dns/rdtypes/util.py b/venv/lib/python3.12/site-packages/dns/rdtypes/util.py new file mode 100644 index 0000000..54908fd --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rdtypes/util.py @@ -0,0 +1,257 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import collections +import random +import struct +from typing import Any, List + +import dns.exception +import dns.ipv4 +import dns.ipv6 +import dns.name +import dns.rdata + + +class Gateway: + """A helper class for the IPSECKEY gateway and AMTRELAY relay fields""" + + name = "" + + def __init__(self, type, gateway=None): + self.type = dns.rdata.Rdata._as_uint8(type) + self.gateway = gateway + self._check() + + @classmethod + def _invalid_type(cls, gateway_type): + return f"invalid {cls.name} type: {gateway_type}" + + def _check(self): + if self.type == 0: + if self.gateway not in (".", None): + raise SyntaxError(f"invalid {self.name} for type 0") + self.gateway = None + elif self.type == 1: + # check that it's OK + dns.ipv4.inet_aton(self.gateway) + elif self.type == 2: + # check that it's OK + dns.ipv6.inet_aton(self.gateway) + elif self.type == 3: + if not isinstance(self.gateway, dns.name.Name): + raise SyntaxError(f"invalid {self.name}; not a name") + else: + raise SyntaxError(self._invalid_type(self.type)) + + def to_text(self, origin=None, relativize=True): + if self.type == 0: + return "." + elif self.type in (1, 2): + return self.gateway + elif self.type == 3: + return str(self.gateway.choose_relativity(origin, relativize)) + else: + raise ValueError(self._invalid_type(self.type)) # pragma: no cover + + @classmethod + def from_text( + cls, gateway_type, tok, origin=None, relativize=True, relativize_to=None + ): + if gateway_type in (0, 1, 2): + gateway = tok.get_string() + elif gateway_type == 3: + gateway = tok.get_name(origin, relativize, relativize_to) + else: + raise dns.exception.SyntaxError( + cls._invalid_type(gateway_type) + ) # pragma: no cover + return cls(gateway_type, gateway) + + # pylint: disable=unused-argument + def to_wire(self, file, compress=None, origin=None, canonicalize=False): + if self.type == 0: + pass + elif self.type == 1: + file.write(dns.ipv4.inet_aton(self.gateway)) + elif self.type == 2: + file.write(dns.ipv6.inet_aton(self.gateway)) + elif self.type == 3: + self.gateway.to_wire(file, None, origin, False) + else: + raise ValueError(self._invalid_type(self.type)) # pragma: no cover + + # pylint: enable=unused-argument + + @classmethod + def from_wire_parser(cls, gateway_type, parser, origin=None): + if gateway_type == 0: + gateway = None + elif gateway_type == 1: + gateway = dns.ipv4.inet_ntoa(parser.get_bytes(4)) + elif gateway_type == 2: + gateway = dns.ipv6.inet_ntoa(parser.get_bytes(16)) + elif gateway_type == 3: + gateway = parser.get_name(origin) + else: + raise dns.exception.FormError(cls._invalid_type(gateway_type)) + return cls(gateway_type, gateway) + + +class Bitmap: + """A helper class for the NSEC/NSEC3/CSYNC type bitmaps""" + + type_name = "" + + def __init__(self, windows=None): + last_window = -1 + self.windows = windows + for window, bitmap in self.windows: + if not isinstance(window, int): + raise ValueError(f"bad {self.type_name} window type") + if window <= last_window: + raise ValueError(f"bad {self.type_name} window order") + if window > 256: + raise ValueError(f"bad {self.type_name} window number") + last_window = window + if not isinstance(bitmap, bytes): + raise ValueError(f"bad {self.type_name} octets type") + if len(bitmap) == 0 or len(bitmap) > 32: + raise ValueError(f"bad {self.type_name} octets") + + def to_text(self) -> str: + text = "" + for window, bitmap in self.windows: + bits = [] + for i, byte in enumerate(bitmap): + for j in range(0, 8): + if byte & (0x80 >> j): + rdtype = window * 256 + i * 8 + j + bits.append(dns.rdatatype.to_text(rdtype)) + text += " " + " ".join(bits) + return text + + @classmethod + def from_text(cls, tok: "dns.tokenizer.Tokenizer") -> "Bitmap": + rdtypes = [] + for token in tok.get_remaining(): + rdtype = dns.rdatatype.from_text(token.unescape().value) + if rdtype == 0: + raise dns.exception.SyntaxError(f"{cls.type_name} with bit 0") + rdtypes.append(rdtype) + return cls.from_rdtypes(rdtypes) + + @classmethod + def from_rdtypes(cls, rdtypes: List[dns.rdatatype.RdataType]) -> "Bitmap": + rdtypes = sorted(rdtypes) + window = 0 + octets = 0 + prior_rdtype = 0 + bitmap = bytearray(b"\0" * 32) + windows = [] + for rdtype in rdtypes: + if rdtype == prior_rdtype: + continue + prior_rdtype = rdtype + new_window = rdtype // 256 + if new_window != window: + if octets != 0: + windows.append((window, bytes(bitmap[0:octets]))) + bitmap = bytearray(b"\0" * 32) + window = new_window + offset = rdtype % 256 + byte = offset // 8 + bit = offset % 8 + octets = byte + 1 + bitmap[byte] = bitmap[byte] | (0x80 >> bit) + if octets != 0: + windows.append((window, bytes(bitmap[0:octets]))) + return cls(windows) + + def to_wire(self, file: Any) -> None: + for window, bitmap in self.windows: + file.write(struct.pack("!BB", window, len(bitmap))) + file.write(bitmap) + + @classmethod + def from_wire_parser(cls, parser: "dns.wire.Parser") -> "Bitmap": + windows = [] + while parser.remaining() > 0: + window = parser.get_uint8() + bitmap = parser.get_counted_bytes() + windows.append((window, bitmap)) + return cls(windows) + + +def _priority_table(items): + by_priority = collections.defaultdict(list) + for rdata in items: + by_priority[rdata._processing_priority()].append(rdata) + return by_priority + + +def priority_processing_order(iterable): + items = list(iterable) + if len(items) == 1: + return items + by_priority = _priority_table(items) + ordered = [] + for k in sorted(by_priority.keys()): + rdatas = by_priority[k] + random.shuffle(rdatas) + ordered.extend(rdatas) + return ordered + + +_no_weight = 0.1 + + +def weighted_processing_order(iterable): + items = list(iterable) + if len(items) == 1: + return items + by_priority = _priority_table(items) + ordered = [] + for k in sorted(by_priority.keys()): + rdatas = by_priority[k] + total = sum(rdata._processing_weight() or _no_weight for rdata in rdatas) + while len(rdatas) > 1: + r = random.uniform(0, total) + for n, rdata in enumerate(rdatas): + weight = rdata._processing_weight() or _no_weight + if weight > r: + break + r -= weight + total -= weight + ordered.append(rdata) # pylint: disable=undefined-loop-variable + del rdatas[n] # pylint: disable=undefined-loop-variable + ordered.append(rdatas[0]) + return ordered + + +def parse_formatted_hex(formatted, num_chunks, chunk_size, separator): + if len(formatted) != num_chunks * (chunk_size + 1) - 1: + raise ValueError("invalid formatted hex string") + value = b"" + for _ in range(num_chunks): + chunk = formatted[0:chunk_size] + value += int(chunk, 16).to_bytes(chunk_size // 2, "big") + formatted = formatted[chunk_size:] + if len(formatted) > 0 and formatted[0] != separator: + raise ValueError("invalid formatted hex string") + formatted = formatted[1:] + return value diff --git a/venv/lib/python3.12/site-packages/dns/renderer.py b/venv/lib/python3.12/site-packages/dns/renderer.py new file mode 100644 index 0000000..a77481f --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/renderer.py @@ -0,0 +1,346 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Help for building DNS wire format messages""" + +import contextlib +import io +import random +import struct +import time + +import dns.exception +import dns.tsig + +QUESTION = 0 +ANSWER = 1 +AUTHORITY = 2 +ADDITIONAL = 3 + + +@contextlib.contextmanager +def prefixed_length(output, length_length): + output.write(b"\00" * length_length) + start = output.tell() + yield + end = output.tell() + length = end - start + if length > 0: + try: + output.seek(start - length_length) + try: + output.write(length.to_bytes(length_length, "big")) + except OverflowError: + raise dns.exception.FormError + finally: + output.seek(end) + + +class Renderer: + """Helper class for building DNS wire-format messages. + + Most applications can use the higher-level L{dns.message.Message} + class and its to_wire() method to generate wire-format messages. + This class is for those applications which need finer control + over the generation of messages. + + Typical use:: + + r = dns.renderer.Renderer(id=1, flags=0x80, max_size=512) + r.add_question(qname, qtype, qclass) + r.add_rrset(dns.renderer.ANSWER, rrset_1) + r.add_rrset(dns.renderer.ANSWER, rrset_2) + r.add_rrset(dns.renderer.AUTHORITY, ns_rrset) + r.add_rrset(dns.renderer.ADDITIONAL, ad_rrset_1) + r.add_rrset(dns.renderer.ADDITIONAL, ad_rrset_2) + r.add_edns(0, 0, 4096) + r.write_header() + r.add_tsig(keyname, secret, 300, 1, 0, '', request_mac) + wire = r.get_wire() + + If padding is going to be used, then the OPT record MUST be + written after everything else in the additional section except for + the TSIG (if any). + + output, an io.BytesIO, where rendering is written + + id: the message id + + flags: the message flags + + max_size: the maximum size of the message + + origin: the origin to use when rendering relative names + + compress: the compression table + + section: an int, the section currently being rendered + + counts: list of the number of RRs in each section + + mac: the MAC of the rendered message (if TSIG was used) + """ + + def __init__(self, id=None, flags=0, max_size=65535, origin=None): + """Initialize a new renderer.""" + + self.output = io.BytesIO() + if id is None: + self.id = random.randint(0, 65535) + else: + self.id = id + self.flags = flags + self.max_size = max_size + self.origin = origin + self.compress = {} + self.section = QUESTION + self.counts = [0, 0, 0, 0] + self.output.write(b"\x00" * 12) + self.mac = "" + self.reserved = 0 + self.was_padded = False + + def _rollback(self, where): + """Truncate the output buffer at offset *where*, and remove any + compression table entries that pointed beyond the truncation + point. + """ + + self.output.seek(where) + self.output.truncate() + keys_to_delete = [] + for k, v in self.compress.items(): + if v >= where: + keys_to_delete.append(k) + for k in keys_to_delete: + del self.compress[k] + + def _set_section(self, section): + """Set the renderer's current section. + + Sections must be rendered order: QUESTION, ANSWER, AUTHORITY, + ADDITIONAL. Sections may be empty. + + Raises dns.exception.FormError if an attempt was made to set + a section value less than the current section. + """ + + if self.section != section: + if self.section > section: + raise dns.exception.FormError + self.section = section + + @contextlib.contextmanager + def _track_size(self): + start = self.output.tell() + yield start + if self.output.tell() > self.max_size: + self._rollback(start) + raise dns.exception.TooBig + + @contextlib.contextmanager + def _temporarily_seek_to(self, where): + current = self.output.tell() + try: + self.output.seek(where) + yield + finally: + self.output.seek(current) + + def add_question(self, qname, rdtype, rdclass=dns.rdataclass.IN): + """Add a question to the message.""" + + self._set_section(QUESTION) + with self._track_size(): + qname.to_wire(self.output, self.compress, self.origin) + self.output.write(struct.pack("!HH", rdtype, rdclass)) + self.counts[QUESTION] += 1 + + def add_rrset(self, section, rrset, **kw): + """Add the rrset to the specified section. + + Any keyword arguments are passed on to the rdataset's to_wire() + routine. + """ + + self._set_section(section) + with self._track_size(): + n = rrset.to_wire(self.output, self.compress, self.origin, **kw) + self.counts[section] += n + + def add_rdataset(self, section, name, rdataset, **kw): + """Add the rdataset to the specified section, using the specified + name as the owner name. + + Any keyword arguments are passed on to the rdataset's to_wire() + routine. + """ + + self._set_section(section) + with self._track_size(): + n = rdataset.to_wire(name, self.output, self.compress, self.origin, **kw) + self.counts[section] += n + + def add_opt(self, opt, pad=0, opt_size=0, tsig_size=0): + """Add *opt* to the additional section, applying padding if desired. The + padding will take the specified precomputed OPT size and TSIG size into + account. + + Note that we don't have reliable way of knowing how big a GSS-TSIG digest + might be, so we we might not get an even multiple of the pad in that case.""" + if pad: + ttl = opt.ttl + assert opt_size >= 11 + opt_rdata = opt[0] + size_without_padding = self.output.tell() + opt_size + tsig_size + remainder = size_without_padding % pad + if remainder: + pad = b"\x00" * (pad - remainder) + else: + pad = b"" + options = list(opt_rdata.options) + options.append(dns.edns.GenericOption(dns.edns.OptionType.PADDING, pad)) + opt = dns.message.Message._make_opt(ttl, opt_rdata.rdclass, options) + self.was_padded = True + self.add_rrset(ADDITIONAL, opt) + + def add_edns(self, edns, ednsflags, payload, options=None): + """Add an EDNS OPT record to the message.""" + + # make sure the EDNS version in ednsflags agrees with edns + ednsflags &= 0xFF00FFFF + ednsflags |= edns << 16 + opt = dns.message.Message._make_opt(ednsflags, payload, options) + self.add_opt(opt) + + def add_tsig( + self, + keyname, + secret, + fudge, + id, + tsig_error, + other_data, + request_mac, + algorithm=dns.tsig.default_algorithm, + ): + """Add a TSIG signature to the message.""" + + s = self.output.getvalue() + + if isinstance(secret, dns.tsig.Key): + key = secret + else: + key = dns.tsig.Key(keyname, secret, algorithm) + tsig = dns.message.Message._make_tsig( + keyname, algorithm, 0, fudge, b"", id, tsig_error, other_data + ) + (tsig, _) = dns.tsig.sign(s, key, tsig[0], int(time.time()), request_mac) + self._write_tsig(tsig, keyname) + + def add_multi_tsig( + self, + ctx, + keyname, + secret, + fudge, + id, + tsig_error, + other_data, + request_mac, + algorithm=dns.tsig.default_algorithm, + ): + """Add a TSIG signature to the message. Unlike add_tsig(), this can be + used for a series of consecutive DNS envelopes, e.g. for a zone + transfer over TCP [RFC2845, 4.4]. + + For the first message in the sequence, give ctx=None. For each + subsequent message, give the ctx that was returned from the + add_multi_tsig() call for the previous message.""" + + s = self.output.getvalue() + + if isinstance(secret, dns.tsig.Key): + key = secret + else: + key = dns.tsig.Key(keyname, secret, algorithm) + tsig = dns.message.Message._make_tsig( + keyname, algorithm, 0, fudge, b"", id, tsig_error, other_data + ) + (tsig, ctx) = dns.tsig.sign( + s, key, tsig[0], int(time.time()), request_mac, ctx, True + ) + self._write_tsig(tsig, keyname) + return ctx + + def _write_tsig(self, tsig, keyname): + if self.was_padded: + compress = None + else: + compress = self.compress + self._set_section(ADDITIONAL) + with self._track_size(): + keyname.to_wire(self.output, compress, self.origin) + self.output.write( + struct.pack("!HHI", dns.rdatatype.TSIG, dns.rdataclass.ANY, 0) + ) + with prefixed_length(self.output, 2): + tsig.to_wire(self.output) + + self.counts[ADDITIONAL] += 1 + with self._temporarily_seek_to(10): + self.output.write(struct.pack("!H", self.counts[ADDITIONAL])) + + def write_header(self): + """Write the DNS message header. + + Writing the DNS message header is done after all sections + have been rendered, but before the optional TSIG signature + is added. + """ + + with self._temporarily_seek_to(0): + self.output.write( + struct.pack( + "!HHHHHH", + self.id, + self.flags, + self.counts[0], + self.counts[1], + self.counts[2], + self.counts[3], + ) + ) + + def get_wire(self): + """Return the wire format message.""" + + return self.output.getvalue() + + def reserve(self, size: int) -> None: + """Reserve *size* bytes.""" + if size < 0: + raise ValueError("reserved amount must be non-negative") + if size > self.max_size: + raise ValueError("cannot reserve more than the maximum size") + self.reserved += size + self.max_size -= size + + def release_reserved(self) -> None: + """Release the reserved bytes.""" + self.max_size += self.reserved + self.reserved = 0 diff --git a/venv/lib/python3.12/site-packages/dns/resolver.py b/venv/lib/python3.12/site-packages/dns/resolver.py new file mode 100644 index 0000000..f08f824 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/resolver.py @@ -0,0 +1,2054 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS stub resolver.""" + +import contextlib +import random +import socket +import sys +import threading +import time +import warnings +from typing import Any, Dict, Iterator, List, Optional, Sequence, Tuple, Union +from urllib.parse import urlparse + +import dns._ddr +import dns.edns +import dns.exception +import dns.flags +import dns.inet +import dns.ipv4 +import dns.ipv6 +import dns.message +import dns.name +import dns.nameserver +import dns.query +import dns.rcode +import dns.rdataclass +import dns.rdatatype +import dns.rdtypes.svcbbase +import dns.reversename +import dns.tsig + +if sys.platform == "win32": + import dns.win32util + + +class NXDOMAIN(dns.exception.DNSException): + """The DNS query name does not exist.""" + + supp_kwargs = {"qnames", "responses"} + fmt = None # we have our own __str__ implementation + + # pylint: disable=arguments-differ + + # We do this as otherwise mypy complains about unexpected keyword argument + # idna_exception + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + def _check_kwargs(self, qnames, responses=None): + if not isinstance(qnames, (list, tuple, set)): + raise AttributeError("qnames must be a list, tuple or set") + if len(qnames) == 0: + raise AttributeError("qnames must contain at least one element") + if responses is None: + responses = {} + elif not isinstance(responses, dict): + raise AttributeError("responses must be a dict(qname=response)") + kwargs = dict(qnames=qnames, responses=responses) + return kwargs + + def __str__(self) -> str: + if "qnames" not in self.kwargs: + return super().__str__() + qnames = self.kwargs["qnames"] + if len(qnames) > 1: + msg = "None of DNS query names exist" + else: + msg = "The DNS query name does not exist" + qnames = ", ".join(map(str, qnames)) + return "{}: {}".format(msg, qnames) + + @property + def canonical_name(self): + """Return the unresolved canonical name.""" + if "qnames" not in self.kwargs: + raise TypeError("parametrized exception required") + for qname in self.kwargs["qnames"]: + response = self.kwargs["responses"][qname] + try: + cname = response.canonical_name() + if cname != qname: + return cname + except Exception: + # We can just eat this exception as it means there was + # something wrong with the response. + pass + return self.kwargs["qnames"][0] + + def __add__(self, e_nx): + """Augment by results from another NXDOMAIN exception.""" + qnames0 = list(self.kwargs.get("qnames", [])) + responses0 = dict(self.kwargs.get("responses", {})) + responses1 = e_nx.kwargs.get("responses", {}) + for qname1 in e_nx.kwargs.get("qnames", []): + if qname1 not in qnames0: + qnames0.append(qname1) + if qname1 in responses1: + responses0[qname1] = responses1[qname1] + return NXDOMAIN(qnames=qnames0, responses=responses0) + + def qnames(self): + """All of the names that were tried. + + Returns a list of ``dns.name.Name``. + """ + return self.kwargs["qnames"] + + def responses(self): + """A map from queried names to their NXDOMAIN responses. + + Returns a dict mapping a ``dns.name.Name`` to a + ``dns.message.Message``. + """ + return self.kwargs["responses"] + + def response(self, qname): + """The response for query *qname*. + + Returns a ``dns.message.Message``. + """ + return self.kwargs["responses"][qname] + + +class YXDOMAIN(dns.exception.DNSException): + """The DNS query name is too long after DNAME substitution.""" + + +ErrorTuple = Tuple[ + Optional[str], + bool, + int, + Union[Exception, str], + Optional[dns.message.Message], +] + + +def _errors_to_text(errors: List[ErrorTuple]) -> List[str]: + """Turn a resolution errors trace into a list of text.""" + texts = [] + for err in errors: + texts.append("Server {} answered {}".format(err[0], err[3])) + return texts + + +class LifetimeTimeout(dns.exception.Timeout): + """The resolution lifetime expired.""" + + msg = "The resolution lifetime expired." + fmt = "%s after {timeout:.3f} seconds: {errors}" % msg[:-1] + supp_kwargs = {"timeout", "errors"} + + # We do this as otherwise mypy complains about unexpected keyword argument + # idna_exception + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + def _fmt_kwargs(self, **kwargs): + srv_msgs = _errors_to_text(kwargs["errors"]) + return super()._fmt_kwargs( + timeout=kwargs["timeout"], errors="; ".join(srv_msgs) + ) + + +# We added more detail to resolution timeouts, but they are still +# subclasses of dns.exception.Timeout for backwards compatibility. We also +# keep dns.resolver.Timeout defined for backwards compatibility. +Timeout = LifetimeTimeout + + +class NoAnswer(dns.exception.DNSException): + """The DNS response does not contain an answer to the question.""" + + fmt = "The DNS response does not contain an answer to the question: {query}" + supp_kwargs = {"response"} + + # We do this as otherwise mypy complains about unexpected keyword argument + # idna_exception + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + def _fmt_kwargs(self, **kwargs): + return super()._fmt_kwargs(query=kwargs["response"].question) + + def response(self): + return self.kwargs["response"] + + +class NoNameservers(dns.exception.DNSException): + """All nameservers failed to answer the query. + + errors: list of servers and respective errors + The type of errors is + [(server IP address, any object convertible to string)]. + Non-empty errors list will add explanatory message () + """ + + msg = "All nameservers failed to answer the query." + fmt = "%s {query}: {errors}" % msg[:-1] + supp_kwargs = {"request", "errors"} + + # We do this as otherwise mypy complains about unexpected keyword argument + # idna_exception + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + def _fmt_kwargs(self, **kwargs): + srv_msgs = _errors_to_text(kwargs["errors"]) + return super()._fmt_kwargs( + query=kwargs["request"].question, errors="; ".join(srv_msgs) + ) + + +class NotAbsolute(dns.exception.DNSException): + """An absolute domain name is required but a relative name was provided.""" + + +class NoRootSOA(dns.exception.DNSException): + """There is no SOA RR at the DNS root name. This should never happen!""" + + +class NoMetaqueries(dns.exception.DNSException): + """DNS metaqueries are not allowed.""" + + +class NoResolverConfiguration(dns.exception.DNSException): + """Resolver configuration could not be read or specified no nameservers.""" + + +class Answer: + """DNS stub resolver answer. + + Instances of this class bundle up the result of a successful DNS + resolution. + + For convenience, the answer object implements much of the sequence + protocol, forwarding to its ``rrset`` attribute. E.g. + ``for a in answer`` is equivalent to ``for a in answer.rrset``. + ``answer[i]`` is equivalent to ``answer.rrset[i]``, and + ``answer[i:j]`` is equivalent to ``answer.rrset[i:j]``. + + Note that CNAMEs or DNAMEs in the response may mean that answer + RRset's name might not be the query name. + """ + + def __init__( + self, + qname: dns.name.Name, + rdtype: dns.rdatatype.RdataType, + rdclass: dns.rdataclass.RdataClass, + response: dns.message.QueryMessage, + nameserver: Optional[str] = None, + port: Optional[int] = None, + ) -> None: + self.qname = qname + self.rdtype = rdtype + self.rdclass = rdclass + self.response = response + self.nameserver = nameserver + self.port = port + self.chaining_result = response.resolve_chaining() + # Copy some attributes out of chaining_result for backwards + # compatibility and convenience. + self.canonical_name = self.chaining_result.canonical_name + self.rrset = self.chaining_result.answer + self.expiration = time.time() + self.chaining_result.minimum_ttl + + def __getattr__(self, attr): # pragma: no cover + if attr == "name": + return self.rrset.name + elif attr == "ttl": + return self.rrset.ttl + elif attr == "covers": + return self.rrset.covers + elif attr == "rdclass": + return self.rrset.rdclass + elif attr == "rdtype": + return self.rrset.rdtype + else: + raise AttributeError(attr) + + def __len__(self) -> int: + return self.rrset and len(self.rrset) or 0 + + def __iter__(self): + return self.rrset and iter(self.rrset) or iter(tuple()) + + def __getitem__(self, i): + if self.rrset is None: + raise IndexError + return self.rrset[i] + + def __delitem__(self, i): + if self.rrset is None: + raise IndexError + del self.rrset[i] + + +class Answers(dict): + """A dict of DNS stub resolver answers, indexed by type.""" + + +class HostAnswers(Answers): + """A dict of DNS stub resolver answers to a host name lookup, indexed by + type. + """ + + @classmethod + def make( + cls, + v6: Optional[Answer] = None, + v4: Optional[Answer] = None, + add_empty: bool = True, + ) -> "HostAnswers": + answers = HostAnswers() + if v6 is not None and (add_empty or v6.rrset): + answers[dns.rdatatype.AAAA] = v6 + if v4 is not None and (add_empty or v4.rrset): + answers[dns.rdatatype.A] = v4 + return answers + + # Returns pairs of (address, family) from this result, potentiallys + # filtering by address family. + def addresses_and_families( + self, family: int = socket.AF_UNSPEC + ) -> Iterator[Tuple[str, int]]: + if family == socket.AF_UNSPEC: + yield from self.addresses_and_families(socket.AF_INET6) + yield from self.addresses_and_families(socket.AF_INET) + return + elif family == socket.AF_INET6: + answer = self.get(dns.rdatatype.AAAA) + elif family == socket.AF_INET: + answer = self.get(dns.rdatatype.A) + else: + raise NotImplementedError(f"unknown address family {family}") + if answer: + for rdata in answer: + yield (rdata.address, family) + + # Returns addresses from this result, potentially filtering by + # address family. + def addresses(self, family: int = socket.AF_UNSPEC) -> Iterator[str]: + return (pair[0] for pair in self.addresses_and_families(family)) + + # Returns the canonical name from this result. + def canonical_name(self) -> dns.name.Name: + answer = self.get(dns.rdatatype.AAAA, self.get(dns.rdatatype.A)) + return answer.canonical_name + + +class CacheStatistics: + """Cache Statistics""" + + def __init__(self, hits: int = 0, misses: int = 0) -> None: + self.hits = hits + self.misses = misses + + def reset(self) -> None: + self.hits = 0 + self.misses = 0 + + def clone(self) -> "CacheStatistics": + return CacheStatistics(self.hits, self.misses) + + +class CacheBase: + def __init__(self) -> None: + self.lock = threading.Lock() + self.statistics = CacheStatistics() + + def reset_statistics(self) -> None: + """Reset all statistics to zero.""" + with self.lock: + self.statistics.reset() + + def hits(self) -> int: + """How many hits has the cache had?""" + with self.lock: + return self.statistics.hits + + def misses(self) -> int: + """How many misses has the cache had?""" + with self.lock: + return self.statistics.misses + + def get_statistics_snapshot(self) -> CacheStatistics: + """Return a consistent snapshot of all the statistics. + + If running with multiple threads, it's better to take a + snapshot than to call statistics methods such as hits() and + misses() individually. + """ + with self.lock: + return self.statistics.clone() + + +CacheKey = Tuple[dns.name.Name, dns.rdatatype.RdataType, dns.rdataclass.RdataClass] + + +class Cache(CacheBase): + """Simple thread-safe DNS answer cache.""" + + def __init__(self, cleaning_interval: float = 300.0) -> None: + """*cleaning_interval*, a ``float`` is the number of seconds between + periodic cleanings. + """ + + super().__init__() + self.data: Dict[CacheKey, Answer] = {} + self.cleaning_interval = cleaning_interval + self.next_cleaning: float = time.time() + self.cleaning_interval + + def _maybe_clean(self) -> None: + """Clean the cache if it's time to do so.""" + + now = time.time() + if self.next_cleaning <= now: + keys_to_delete = [] + for k, v in self.data.items(): + if v.expiration <= now: + keys_to_delete.append(k) + for k in keys_to_delete: + del self.data[k] + now = time.time() + self.next_cleaning = now + self.cleaning_interval + + def get(self, key: CacheKey) -> Optional[Answer]: + """Get the answer associated with *key*. + + Returns None if no answer is cached for the key. + + *key*, a ``(dns.name.Name, dns.rdatatype.RdataType, dns.rdataclass.RdataClass)`` + tuple whose values are the query name, rdtype, and rdclass respectively. + + Returns a ``dns.resolver.Answer`` or ``None``. + """ + + with self.lock: + self._maybe_clean() + v = self.data.get(key) + if v is None or v.expiration <= time.time(): + self.statistics.misses += 1 + return None + self.statistics.hits += 1 + return v + + def put(self, key: CacheKey, value: Answer) -> None: + """Associate key and value in the cache. + + *key*, a ``(dns.name.Name, dns.rdatatype.RdataType, dns.rdataclass.RdataClass)`` + tuple whose values are the query name, rdtype, and rdclass respectively. + + *value*, a ``dns.resolver.Answer``, the answer. + """ + + with self.lock: + self._maybe_clean() + self.data[key] = value + + def flush(self, key: Optional[CacheKey] = None) -> None: + """Flush the cache. + + If *key* is not ``None``, only that item is flushed. Otherwise the entire cache + is flushed. + + *key*, a ``(dns.name.Name, dns.rdatatype.RdataType, dns.rdataclass.RdataClass)`` + tuple whose values are the query name, rdtype, and rdclass respectively. + """ + + with self.lock: + if key is not None: + if key in self.data: + del self.data[key] + else: + self.data = {} + self.next_cleaning = time.time() + self.cleaning_interval + + +class LRUCacheNode: + """LRUCache node.""" + + def __init__(self, key, value): + self.key = key + self.value = value + self.hits = 0 + self.prev = self + self.next = self + + def link_after(self, node: "LRUCacheNode") -> None: + self.prev = node + self.next = node.next + node.next.prev = self + node.next = self + + def unlink(self) -> None: + self.next.prev = self.prev + self.prev.next = self.next + + +class LRUCache(CacheBase): + """Thread-safe, bounded, least-recently-used DNS answer cache. + + This cache is better than the simple cache (above) if you're + running a web crawler or other process that does a lot of + resolutions. The LRUCache has a maximum number of nodes, and when + it is full, the least-recently used node is removed to make space + for a new one. + """ + + def __init__(self, max_size: int = 100000) -> None: + """*max_size*, an ``int``, is the maximum number of nodes to cache; + it must be greater than 0. + """ + + super().__init__() + self.data: Dict[CacheKey, LRUCacheNode] = {} + self.set_max_size(max_size) + self.sentinel: LRUCacheNode = LRUCacheNode(None, None) + self.sentinel.prev = self.sentinel + self.sentinel.next = self.sentinel + + def set_max_size(self, max_size: int) -> None: + if max_size < 1: + max_size = 1 + self.max_size = max_size + + def get(self, key: CacheKey) -> Optional[Answer]: + """Get the answer associated with *key*. + + Returns None if no answer is cached for the key. + + *key*, a ``(dns.name.Name, dns.rdatatype.RdataType, dns.rdataclass.RdataClass)`` + tuple whose values are the query name, rdtype, and rdclass respectively. + + Returns a ``dns.resolver.Answer`` or ``None``. + """ + + with self.lock: + node = self.data.get(key) + if node is None: + self.statistics.misses += 1 + return None + # Unlink because we're either going to move the node to the front + # of the LRU list or we're going to free it. + node.unlink() + if node.value.expiration <= time.time(): + del self.data[node.key] + self.statistics.misses += 1 + return None + node.link_after(self.sentinel) + self.statistics.hits += 1 + node.hits += 1 + return node.value + + def get_hits_for_key(self, key: CacheKey) -> int: + """Return the number of cache hits associated with the specified key.""" + with self.lock: + node = self.data.get(key) + if node is None or node.value.expiration <= time.time(): + return 0 + else: + return node.hits + + def put(self, key: CacheKey, value: Answer) -> None: + """Associate key and value in the cache. + + *key*, a ``(dns.name.Name, dns.rdatatype.RdataType, dns.rdataclass.RdataClass)`` + tuple whose values are the query name, rdtype, and rdclass respectively. + + *value*, a ``dns.resolver.Answer``, the answer. + """ + + with self.lock: + node = self.data.get(key) + if node is not None: + node.unlink() + del self.data[node.key] + while len(self.data) >= self.max_size: + gnode = self.sentinel.prev + gnode.unlink() + del self.data[gnode.key] + node = LRUCacheNode(key, value) + node.link_after(self.sentinel) + self.data[key] = node + + def flush(self, key: Optional[CacheKey] = None) -> None: + """Flush the cache. + + If *key* is not ``None``, only that item is flushed. Otherwise the entire cache + is flushed. + + *key*, a ``(dns.name.Name, dns.rdatatype.RdataType, dns.rdataclass.RdataClass)`` + tuple whose values are the query name, rdtype, and rdclass respectively. + """ + + with self.lock: + if key is not None: + node = self.data.get(key) + if node is not None: + node.unlink() + del self.data[node.key] + else: + gnode = self.sentinel.next + while gnode != self.sentinel: + next = gnode.next + gnode.unlink() + gnode = next + self.data = {} + + +class _Resolution: + """Helper class for dns.resolver.Resolver.resolve(). + + All of the "business logic" of resolution is encapsulated in this + class, allowing us to have multiple resolve() implementations + using different I/O schemes without copying all of the + complicated logic. + + This class is a "friend" to dns.resolver.Resolver and manipulates + resolver data structures directly. + """ + + def __init__( + self, + resolver: "BaseResolver", + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + rdclass: Union[dns.rdataclass.RdataClass, str], + tcp: bool, + raise_on_no_answer: bool, + search: Optional[bool], + ) -> None: + if isinstance(qname, str): + qname = dns.name.from_text(qname, None) + rdtype = dns.rdatatype.RdataType.make(rdtype) + if dns.rdatatype.is_metatype(rdtype): + raise NoMetaqueries + rdclass = dns.rdataclass.RdataClass.make(rdclass) + if dns.rdataclass.is_metaclass(rdclass): + raise NoMetaqueries + self.resolver = resolver + self.qnames_to_try = resolver._get_qnames_to_try(qname, search) + self.qnames = self.qnames_to_try[:] + self.rdtype = rdtype + self.rdclass = rdclass + self.tcp = tcp + self.raise_on_no_answer = raise_on_no_answer + self.nxdomain_responses: Dict[dns.name.Name, dns.message.QueryMessage] = {} + # Initialize other things to help analysis tools + self.qname = dns.name.empty + self.nameservers: List[dns.nameserver.Nameserver] = [] + self.current_nameservers: List[dns.nameserver.Nameserver] = [] + self.errors: List[ErrorTuple] = [] + self.nameserver: Optional[dns.nameserver.Nameserver] = None + self.tcp_attempt = False + self.retry_with_tcp = False + self.request: Optional[dns.message.QueryMessage] = None + self.backoff = 0.0 + + def next_request( + self, + ) -> Tuple[Optional[dns.message.QueryMessage], Optional[Answer]]: + """Get the next request to send, and check the cache. + + Returns a (request, answer) tuple. At most one of request or + answer will not be None. + """ + + # We return a tuple instead of Union[Message,Answer] as it lets + # the caller avoid isinstance(). + + while len(self.qnames) > 0: + self.qname = self.qnames.pop(0) + + # Do we know the answer? + if self.resolver.cache: + answer = self.resolver.cache.get( + (self.qname, self.rdtype, self.rdclass) + ) + if answer is not None: + if answer.rrset is None and self.raise_on_no_answer: + raise NoAnswer(response=answer.response) + else: + return (None, answer) + answer = self.resolver.cache.get( + (self.qname, dns.rdatatype.ANY, self.rdclass) + ) + if answer is not None and answer.response.rcode() == dns.rcode.NXDOMAIN: + # cached NXDOMAIN; record it and continue to next + # name. + self.nxdomain_responses[self.qname] = answer.response + continue + + # Build the request + request = dns.message.make_query(self.qname, self.rdtype, self.rdclass) + if self.resolver.keyname is not None: + request.use_tsig( + self.resolver.keyring, + self.resolver.keyname, + algorithm=self.resolver.keyalgorithm, + ) + request.use_edns( + self.resolver.edns, + self.resolver.ednsflags, + self.resolver.payload, + options=self.resolver.ednsoptions, + ) + if self.resolver.flags is not None: + request.flags = self.resolver.flags + + self.nameservers = self.resolver._enrich_nameservers( + self.resolver._nameservers, + self.resolver.nameserver_ports, + self.resolver.port, + ) + if self.resolver.rotate: + random.shuffle(self.nameservers) + self.current_nameservers = self.nameservers[:] + self.errors = [] + self.nameserver = None + self.tcp_attempt = False + self.retry_with_tcp = False + self.request = request + self.backoff = 0.10 + + return (request, None) + + # + # We've tried everything and only gotten NXDOMAINs. (We know + # it's only NXDOMAINs as anything else would have returned + # before now.) + # + raise NXDOMAIN(qnames=self.qnames_to_try, responses=self.nxdomain_responses) + + def next_nameserver(self) -> Tuple[dns.nameserver.Nameserver, bool, float]: + if self.retry_with_tcp: + assert self.nameserver is not None + assert not self.nameserver.is_always_max_size() + self.tcp_attempt = True + self.retry_with_tcp = False + return (self.nameserver, True, 0) + + backoff = 0.0 + if not self.current_nameservers: + if len(self.nameservers) == 0: + # Out of things to try! + raise NoNameservers(request=self.request, errors=self.errors) + self.current_nameservers = self.nameservers[:] + backoff = self.backoff + self.backoff = min(self.backoff * 2, 2) + + self.nameserver = self.current_nameservers.pop(0) + self.tcp_attempt = self.tcp or self.nameserver.is_always_max_size() + return (self.nameserver, self.tcp_attempt, backoff) + + def query_result( + self, response: Optional[dns.message.Message], ex: Optional[Exception] + ) -> Tuple[Optional[Answer], bool]: + # + # returns an (answer: Answer, end_loop: bool) tuple. + # + assert self.nameserver is not None + if ex: + # Exception during I/O or from_wire() + assert response is None + self.errors.append( + ( + str(self.nameserver), + self.tcp_attempt, + self.nameserver.answer_port(), + ex, + response, + ) + ) + if ( + isinstance(ex, dns.exception.FormError) + or isinstance(ex, EOFError) + or isinstance(ex, OSError) + or isinstance(ex, NotImplementedError) + ): + # This nameserver is no good, take it out of the mix. + self.nameservers.remove(self.nameserver) + elif isinstance(ex, dns.message.Truncated): + if self.tcp_attempt: + # Truncation with TCP is no good! + self.nameservers.remove(self.nameserver) + else: + self.retry_with_tcp = True + return (None, False) + # We got an answer! + assert response is not None + assert isinstance(response, dns.message.QueryMessage) + rcode = response.rcode() + if rcode == dns.rcode.NOERROR: + try: + answer = Answer( + self.qname, + self.rdtype, + self.rdclass, + response, + self.nameserver.answer_nameserver(), + self.nameserver.answer_port(), + ) + except Exception as e: + self.errors.append( + ( + str(self.nameserver), + self.tcp_attempt, + self.nameserver.answer_port(), + e, + response, + ) + ) + # The nameserver is no good, take it out of the mix. + self.nameservers.remove(self.nameserver) + return (None, False) + if self.resolver.cache: + self.resolver.cache.put((self.qname, self.rdtype, self.rdclass), answer) + if answer.rrset is None and self.raise_on_no_answer: + raise NoAnswer(response=answer.response) + return (answer, True) + elif rcode == dns.rcode.NXDOMAIN: + # Further validate the response by making an Answer, even + # if we aren't going to cache it. + try: + answer = Answer( + self.qname, dns.rdatatype.ANY, dns.rdataclass.IN, response + ) + except Exception as e: + self.errors.append( + ( + str(self.nameserver), + self.tcp_attempt, + self.nameserver.answer_port(), + e, + response, + ) + ) + # The nameserver is no good, take it out of the mix. + self.nameservers.remove(self.nameserver) + return (None, False) + self.nxdomain_responses[self.qname] = response + if self.resolver.cache: + self.resolver.cache.put( + (self.qname, dns.rdatatype.ANY, self.rdclass), answer + ) + # Make next_nameserver() return None, so caller breaks its + # inner loop and calls next_request(). + return (None, True) + elif rcode == dns.rcode.YXDOMAIN: + yex = YXDOMAIN() + self.errors.append( + ( + str(self.nameserver), + self.tcp_attempt, + self.nameserver.answer_port(), + yex, + response, + ) + ) + raise yex + else: + # + # We got a response, but we're not happy with the + # rcode in it. + # + if rcode != dns.rcode.SERVFAIL or not self.resolver.retry_servfail: + self.nameservers.remove(self.nameserver) + self.errors.append( + ( + str(self.nameserver), + self.tcp_attempt, + self.nameserver.answer_port(), + dns.rcode.to_text(rcode), + response, + ) + ) + return (None, False) + + +class BaseResolver: + """DNS stub resolver.""" + + # We initialize in reset() + # + # pylint: disable=attribute-defined-outside-init + + domain: dns.name.Name + nameserver_ports: Dict[str, int] + port: int + search: List[dns.name.Name] + use_search_by_default: bool + timeout: float + lifetime: float + keyring: Optional[Any] + keyname: Optional[Union[dns.name.Name, str]] + keyalgorithm: Union[dns.name.Name, str] + edns: int + ednsflags: int + ednsoptions: Optional[List[dns.edns.Option]] + payload: int + cache: Any + flags: Optional[int] + retry_servfail: bool + rotate: bool + ndots: Optional[int] + _nameservers: Sequence[Union[str, dns.nameserver.Nameserver]] + + def __init__( + self, filename: str = "/etc/resolv.conf", configure: bool = True + ) -> None: + """*filename*, a ``str`` or file object, specifying a file + in standard /etc/resolv.conf format. This parameter is meaningful + only when *configure* is true and the platform is POSIX. + + *configure*, a ``bool``. If True (the default), the resolver + instance is configured in the normal fashion for the operating + system the resolver is running on. (I.e. by reading a + /etc/resolv.conf file on POSIX systems and from the registry + on Windows systems.) + """ + + self.reset() + if configure: + if sys.platform == "win32": + self.read_registry() + elif filename: + self.read_resolv_conf(filename) + + def reset(self) -> None: + """Reset all resolver configuration to the defaults.""" + + self.domain = dns.name.Name(dns.name.from_text(socket.gethostname())[1:]) + if len(self.domain) == 0: + self.domain = dns.name.root + self._nameservers = [] + self.nameserver_ports = {} + self.port = 53 + self.search = [] + self.use_search_by_default = False + self.timeout = 2.0 + self.lifetime = 5.0 + self.keyring = None + self.keyname = None + self.keyalgorithm = dns.tsig.default_algorithm + self.edns = -1 + self.ednsflags = 0 + self.ednsoptions = None + self.payload = 0 + self.cache = None + self.flags = None + self.retry_servfail = False + self.rotate = False + self.ndots = None + + def read_resolv_conf(self, f: Any) -> None: + """Process *f* as a file in the /etc/resolv.conf format. If f is + a ``str``, it is used as the name of the file to open; otherwise it + is treated as the file itself. + + Interprets the following items: + + - nameserver - name server IP address + + - domain - local domain name + + - search - search list for host-name lookup + + - options - supported options are rotate, timeout, edns0, and ndots + + """ + + nameservers = [] + if isinstance(f, str): + try: + cm: contextlib.AbstractContextManager = open(f) + except OSError: + # /etc/resolv.conf doesn't exist, can't be read, etc. + raise NoResolverConfiguration(f"cannot open {f}") + else: + cm = contextlib.nullcontext(f) + with cm as f: + for l in f: + if len(l) == 0 or l[0] == "#" or l[0] == ";": + continue + tokens = l.split() + + # Any line containing less than 2 tokens is malformed + if len(tokens) < 2: + continue + + if tokens[0] == "nameserver": + nameservers.append(tokens[1]) + elif tokens[0] == "domain": + self.domain = dns.name.from_text(tokens[1]) + # domain and search are exclusive + self.search = [] + elif tokens[0] == "search": + # the last search wins + self.search = [] + for suffix in tokens[1:]: + self.search.append(dns.name.from_text(suffix)) + # We don't set domain as it is not used if + # len(self.search) > 0 + elif tokens[0] == "options": + for opt in tokens[1:]: + if opt == "rotate": + self.rotate = True + elif opt == "edns0": + self.use_edns() + elif "timeout" in opt: + try: + self.timeout = int(opt.split(":")[1]) + except (ValueError, IndexError): + pass + elif "ndots" in opt: + try: + self.ndots = int(opt.split(":")[1]) + except (ValueError, IndexError): + pass + if len(nameservers) == 0: + raise NoResolverConfiguration("no nameservers") + # Assigning directly instead of appending means we invoke the + # setter logic, with additonal checking and enrichment. + self.nameservers = nameservers + + def read_registry(self) -> None: + """Extract resolver configuration from the Windows registry.""" + try: + info = dns.win32util.get_dns_info() # type: ignore + if info.domain is not None: + self.domain = info.domain + self.nameservers = info.nameservers + self.search = info.search + except AttributeError: + raise NotImplementedError + + def _compute_timeout( + self, + start: float, + lifetime: Optional[float] = None, + errors: Optional[List[ErrorTuple]] = None, + ) -> float: + lifetime = self.lifetime if lifetime is None else lifetime + now = time.time() + duration = now - start + if errors is None: + errors = [] + if duration < 0: + if duration < -1: + # Time going backwards is bad. Just give up. + raise LifetimeTimeout(timeout=duration, errors=errors) + else: + # Time went backwards, but only a little. This can + # happen, e.g. under vmware with older linux kernels. + # Pretend it didn't happen. + duration = 0 + if duration >= lifetime: + raise LifetimeTimeout(timeout=duration, errors=errors) + return min(lifetime - duration, self.timeout) + + def _get_qnames_to_try( + self, qname: dns.name.Name, search: Optional[bool] + ) -> List[dns.name.Name]: + # This is a separate method so we can unit test the search + # rules without requiring the Internet. + if search is None: + search = self.use_search_by_default + qnames_to_try = [] + if qname.is_absolute(): + qnames_to_try.append(qname) + else: + abs_qname = qname.concatenate(dns.name.root) + if search: + if len(self.search) > 0: + # There is a search list, so use it exclusively + search_list = self.search[:] + elif self.domain != dns.name.root and self.domain is not None: + # We have some notion of a domain that isn't the root, so + # use it as the search list. + search_list = [self.domain] + else: + search_list = [] + # Figure out the effective ndots (default is 1) + if self.ndots is None: + ndots = 1 + else: + ndots = self.ndots + for suffix in search_list: + qnames_to_try.append(qname + suffix) + if len(qname) > ndots: + # The name has at least ndots dots, so we should try an + # absolute query first. + qnames_to_try.insert(0, abs_qname) + else: + # The name has less than ndots dots, so we should search + # first, then try the absolute name. + qnames_to_try.append(abs_qname) + else: + qnames_to_try.append(abs_qname) + return qnames_to_try + + def use_tsig( + self, + keyring: Any, + keyname: Optional[Union[dns.name.Name, str]] = None, + algorithm: Union[dns.name.Name, str] = dns.tsig.default_algorithm, + ) -> None: + """Add a TSIG signature to each query. + + The parameters are passed to ``dns.message.Message.use_tsig()``; + see its documentation for details. + """ + + self.keyring = keyring + self.keyname = keyname + self.keyalgorithm = algorithm + + def use_edns( + self, + edns: Optional[Union[int, bool]] = 0, + ednsflags: int = 0, + payload: int = dns.message.DEFAULT_EDNS_PAYLOAD, + options: Optional[List[dns.edns.Option]] = None, + ) -> None: + """Configure EDNS behavior. + + *edns*, an ``int``, is the EDNS level to use. Specifying + ``None``, ``False``, or ``-1`` means "do not use EDNS", and in this case + the other parameters are ignored. Specifying ``True`` is + equivalent to specifying 0, i.e. "use EDNS0". + + *ednsflags*, an ``int``, the EDNS flag values. + + *payload*, an ``int``, is the EDNS sender's payload field, which is the + maximum size of UDP datagram the sender can handle. I.e. how big + a response to this message can be. + + *options*, a list of ``dns.edns.Option`` objects or ``None``, the EDNS + options. + """ + + if edns is None or edns is False: + edns = -1 + elif edns is True: + edns = 0 + self.edns = edns + self.ednsflags = ednsflags + self.payload = payload + self.ednsoptions = options + + def set_flags(self, flags: int) -> None: + """Overrides the default flags with your own. + + *flags*, an ``int``, the message flags to use. + """ + + self.flags = flags + + @classmethod + def _enrich_nameservers( + cls, + nameservers: Sequence[Union[str, dns.nameserver.Nameserver]], + nameserver_ports: Dict[str, int], + default_port: int, + ) -> List[dns.nameserver.Nameserver]: + enriched_nameservers = [] + if isinstance(nameservers, list): + for nameserver in nameservers: + enriched_nameserver: dns.nameserver.Nameserver + if isinstance(nameserver, dns.nameserver.Nameserver): + enriched_nameserver = nameserver + elif dns.inet.is_address(nameserver): + port = nameserver_ports.get(nameserver, default_port) + enriched_nameserver = dns.nameserver.Do53Nameserver( + nameserver, port + ) + else: + try: + if urlparse(nameserver).scheme != "https": + raise NotImplementedError + except Exception: + raise ValueError( + f"nameserver {nameserver} is not a " + "dns.nameserver.Nameserver instance or text form, " + "IP address, nor a valid https URL" + ) + enriched_nameserver = dns.nameserver.DoHNameserver(nameserver) + enriched_nameservers.append(enriched_nameserver) + else: + raise ValueError( + "nameservers must be a list or tuple (not a {})".format( + type(nameservers) + ) + ) + return enriched_nameservers + + @property + def nameservers( + self, + ) -> Sequence[Union[str, dns.nameserver.Nameserver]]: + return self._nameservers + + @nameservers.setter + def nameservers( + self, nameservers: Sequence[Union[str, dns.nameserver.Nameserver]] + ) -> None: + """ + *nameservers*, a ``list`` of nameservers, where a nameserver is either + a string interpretable as a nameserver, or a ``dns.nameserver.Nameserver`` + instance. + + Raises ``ValueError`` if *nameservers* is not a list of nameservers. + """ + # We just call _enrich_nameservers() for checking + self._enrich_nameservers(nameservers, self.nameserver_ports, self.port) + self._nameservers = nameservers + + +class Resolver(BaseResolver): + """DNS stub resolver.""" + + def resolve( + self, + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, + search: Optional[bool] = None, + ) -> Answer: # pylint: disable=arguments-differ + """Query nameservers to find the answer to the question. + + The *qname*, *rdtype*, and *rdclass* parameters may be objects + of the appropriate type, or strings that can be converted into objects + of the appropriate type. + + *qname*, a ``dns.name.Name`` or ``str``, the query name. + + *rdtype*, an ``int`` or ``str``, the query type. + + *rdclass*, an ``int`` or ``str``, the query class. + + *tcp*, a ``bool``. If ``True``, use TCP to make the query. + + *source*, a ``str`` or ``None``. If not ``None``, bind to this IP + address when making queries. + + *raise_on_no_answer*, a ``bool``. If ``True``, raise + ``dns.resolver.NoAnswer`` if there's no answer to the question. + + *source_port*, an ``int``, the port from which to send the message. + + *lifetime*, a ``float``, how many seconds a query should run + before timing out. + + *search*, a ``bool`` or ``None``, determines whether the + search list configured in the system's resolver configuration + are used for relative names, and whether the resolver's domain + may be added to relative names. The default is ``None``, + which causes the value of the resolver's + ``use_search_by_default`` attribute to be used. + + Raises ``dns.resolver.LifetimeTimeout`` if no answers could be found + in the specified lifetime. + + Raises ``dns.resolver.NXDOMAIN`` if the query name does not exist. + + Raises ``dns.resolver.YXDOMAIN`` if the query name is too long after + DNAME substitution. + + Raises ``dns.resolver.NoAnswer`` if *raise_on_no_answer* is + ``True`` and the query name exists but has no RRset of the + desired type and class. + + Raises ``dns.resolver.NoNameservers`` if no non-broken + nameservers are available to answer the question. + + Returns a ``dns.resolver.Answer`` instance. + + """ + + resolution = _Resolution( + self, qname, rdtype, rdclass, tcp, raise_on_no_answer, search + ) + start = time.time() + while True: + (request, answer) = resolution.next_request() + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + # cache hit! + return answer + assert request is not None # needed for type checking + done = False + while not done: + (nameserver, tcp, backoff) = resolution.next_nameserver() + if backoff: + time.sleep(backoff) + timeout = self._compute_timeout(start, lifetime, resolution.errors) + try: + response = nameserver.query( + request, + timeout=timeout, + source=source, + source_port=source_port, + max_size=tcp, + ) + except Exception as ex: + (_, done) = resolution.query_result(None, ex) + continue + (answer, done) = resolution.query_result(response, None) + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + return answer + + def query( + self, + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, + ) -> Answer: # pragma: no cover + """Query nameservers to find the answer to the question. + + This method calls resolve() with ``search=True``, and is + provided for backwards compatibility with prior versions of + dnspython. See the documentation for the resolve() method for + further details. + """ + warnings.warn( + "please use dns.resolver.Resolver.resolve() instead", + DeprecationWarning, + stacklevel=2, + ) + return self.resolve( + qname, + rdtype, + rdclass, + tcp, + source, + raise_on_no_answer, + source_port, + lifetime, + True, + ) + + def resolve_address(self, ipaddr: str, *args: Any, **kwargs: Any) -> Answer: + """Use a resolver to run a reverse query for PTR records. + + This utilizes the resolve() method to perform a PTR lookup on the + specified IP address. + + *ipaddr*, a ``str``, the IPv4 or IPv6 address you want to get + the PTR record for. + + All other arguments that can be passed to the resolve() function + except for rdtype and rdclass are also supported by this + function. + """ + # We make a modified kwargs for type checking happiness, as otherwise + # we get a legit warning about possibly having rdtype and rdclass + # in the kwargs more than once. + modified_kwargs: Dict[str, Any] = {} + modified_kwargs.update(kwargs) + modified_kwargs["rdtype"] = dns.rdatatype.PTR + modified_kwargs["rdclass"] = dns.rdataclass.IN + return self.resolve( + dns.reversename.from_address(ipaddr), *args, **modified_kwargs + ) + + def resolve_name( + self, + name: Union[dns.name.Name, str], + family: int = socket.AF_UNSPEC, + **kwargs: Any, + ) -> HostAnswers: + """Use a resolver to query for address records. + + This utilizes the resolve() method to perform A and/or AAAA lookups on + the specified name. + + *qname*, a ``dns.name.Name`` or ``str``, the name to resolve. + + *family*, an ``int``, the address family. If socket.AF_UNSPEC + (the default), both A and AAAA records will be retrieved. + + All other arguments that can be passed to the resolve() function + except for rdtype and rdclass are also supported by this + function. + """ + # We make a modified kwargs for type checking happiness, as otherwise + # we get a legit warning about possibly having rdtype and rdclass + # in the kwargs more than once. + modified_kwargs: Dict[str, Any] = {} + modified_kwargs.update(kwargs) + modified_kwargs.pop("rdtype", None) + modified_kwargs["rdclass"] = dns.rdataclass.IN + + if family == socket.AF_INET: + v4 = self.resolve(name, dns.rdatatype.A, **modified_kwargs) + return HostAnswers.make(v4=v4) + elif family == socket.AF_INET6: + v6 = self.resolve(name, dns.rdatatype.AAAA, **modified_kwargs) + return HostAnswers.make(v6=v6) + elif family != socket.AF_UNSPEC: + raise NotImplementedError(f"unknown address family {family}") + + raise_on_no_answer = modified_kwargs.pop("raise_on_no_answer", True) + lifetime = modified_kwargs.pop("lifetime", None) + start = time.time() + v6 = self.resolve( + name, + dns.rdatatype.AAAA, + raise_on_no_answer=False, + lifetime=self._compute_timeout(start, lifetime), + **modified_kwargs, + ) + # Note that setting name ensures we query the same name + # for A as we did for AAAA. (This is just in case search lists + # are active by default in the resolver configuration and + # we might be talking to a server that says NXDOMAIN when it + # wants to say NOERROR no data. + name = v6.qname + v4 = self.resolve( + name, + dns.rdatatype.A, + raise_on_no_answer=False, + lifetime=self._compute_timeout(start, lifetime), + **modified_kwargs, + ) + answers = HostAnswers.make(v6=v6, v4=v4, add_empty=not raise_on_no_answer) + if not answers: + raise NoAnswer(response=v6.response) + return answers + + # pylint: disable=redefined-outer-name + + def canonical_name(self, name: Union[dns.name.Name, str]) -> dns.name.Name: + """Determine the canonical name of *name*. + + The canonical name is the name the resolver uses for queries + after all CNAME and DNAME renamings have been applied. + + *name*, a ``dns.name.Name`` or ``str``, the query name. + + This method can raise any exception that ``resolve()`` can + raise, other than ``dns.resolver.NoAnswer`` and + ``dns.resolver.NXDOMAIN``. + + Returns a ``dns.name.Name``. + """ + try: + answer = self.resolve(name, raise_on_no_answer=False) + canonical_name = answer.canonical_name + except dns.resolver.NXDOMAIN as e: + canonical_name = e.canonical_name + return canonical_name + + # pylint: enable=redefined-outer-name + + def try_ddr(self, lifetime: float = 5.0) -> None: + """Try to update the resolver's nameservers using Discovery of Designated + Resolvers (DDR). If successful, the resolver will subsequently use + DNS-over-HTTPS or DNS-over-TLS for future queries. + + *lifetime*, a float, is the maximum time to spend attempting DDR. The default + is 5 seconds. + + If the SVCB query is successful and results in a non-empty list of nameservers, + then the resolver's nameservers are set to the returned servers in priority + order. + + The current implementation does not use any address hints from the SVCB record, + nor does it resolve addresses for the SCVB target name, rather it assumes that + the bootstrap nameserver will always be one of the addresses and uses it. + A future revision to the code may offer fuller support. The code verifies that + the bootstrap nameserver is in the Subject Alternative Name field of the + TLS certficate. + """ + try: + expiration = time.time() + lifetime + answer = self.resolve( + dns._ddr._local_resolver_name, "SVCB", lifetime=lifetime + ) + timeout = dns.query._remaining(expiration) + nameservers = dns._ddr._get_nameservers_sync(answer, timeout) + if len(nameservers) > 0: + self.nameservers = nameservers + except Exception: + pass + + +#: The default resolver. +default_resolver: Optional[Resolver] = None + + +def get_default_resolver() -> Resolver: + """Get the default resolver, initializing it if necessary.""" + if default_resolver is None: + reset_default_resolver() + assert default_resolver is not None + return default_resolver + + +def reset_default_resolver() -> None: + """Re-initialize default resolver. + + Note that the resolver configuration (i.e. /etc/resolv.conf on UNIX + systems) will be re-read immediately. + """ + + global default_resolver + default_resolver = Resolver() + + +def resolve( + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, + search: Optional[bool] = None, +) -> Answer: # pragma: no cover + """Query nameservers to find the answer to the question. + + This is a convenience function that uses the default resolver + object to make the query. + + See ``dns.resolver.Resolver.resolve`` for more information on the + parameters. + """ + + return get_default_resolver().resolve( + qname, + rdtype, + rdclass, + tcp, + source, + raise_on_no_answer, + source_port, + lifetime, + search, + ) + + +def query( + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, +) -> Answer: # pragma: no cover + """Query nameservers to find the answer to the question. + + This method calls resolve() with ``search=True``, and is + provided for backwards compatibility with prior versions of + dnspython. See the documentation for the resolve() method for + further details. + """ + warnings.warn( + "please use dns.resolver.resolve() instead", DeprecationWarning, stacklevel=2 + ) + return resolve( + qname, + rdtype, + rdclass, + tcp, + source, + raise_on_no_answer, + source_port, + lifetime, + True, + ) + + +def resolve_address(ipaddr: str, *args: Any, **kwargs: Any) -> Answer: + """Use a resolver to run a reverse query for PTR records. + + See ``dns.resolver.Resolver.resolve_address`` for more information on the + parameters. + """ + + return get_default_resolver().resolve_address(ipaddr, *args, **kwargs) + + +def resolve_name( + name: Union[dns.name.Name, str], family: int = socket.AF_UNSPEC, **kwargs: Any +) -> HostAnswers: + """Use a resolver to query for address records. + + See ``dns.resolver.Resolver.resolve_name`` for more information on the + parameters. + """ + + return get_default_resolver().resolve_name(name, family, **kwargs) + + +def canonical_name(name: Union[dns.name.Name, str]) -> dns.name.Name: + """Determine the canonical name of *name*. + + See ``dns.resolver.Resolver.canonical_name`` for more information on the + parameters and possible exceptions. + """ + + return get_default_resolver().canonical_name(name) + + +def try_ddr(lifetime: float = 5.0) -> None: + """Try to update the default resolver's nameservers using Discovery of Designated + Resolvers (DDR). If successful, the resolver will subsequently use + DNS-over-HTTPS or DNS-over-TLS for future queries. + + See :py:func:`dns.resolver.Resolver.try_ddr` for more information. + """ + return get_default_resolver().try_ddr(lifetime) + + +def zone_for_name( + name: Union[dns.name.Name, str], + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + tcp: bool = False, + resolver: Optional[Resolver] = None, + lifetime: Optional[float] = None, +) -> dns.name.Name: + """Find the name of the zone which contains the specified name. + + *name*, an absolute ``dns.name.Name`` or ``str``, the query name. + + *rdclass*, an ``int``, the query class. + + *tcp*, a ``bool``. If ``True``, use TCP to make the query. + + *resolver*, a ``dns.resolver.Resolver`` or ``None``, the resolver to use. + If ``None``, the default, then the default resolver is used. + + *lifetime*, a ``float``, the total time to allow for the queries needed + to determine the zone. If ``None``, the default, then only the individual + query limits of the resolver apply. + + Raises ``dns.resolver.NoRootSOA`` if there is no SOA RR at the DNS + root. (This is only likely to happen if you're using non-default + root servers in your network and they are misconfigured.) + + Raises ``dns.resolver.LifetimeTimeout`` if the answer could not be + found in the allotted lifetime. + + Returns a ``dns.name.Name``. + """ + + if isinstance(name, str): + name = dns.name.from_text(name, dns.name.root) + if resolver is None: + resolver = get_default_resolver() + if not name.is_absolute(): + raise NotAbsolute(name) + start = time.time() + expiration: Optional[float] + if lifetime is not None: + expiration = start + lifetime + else: + expiration = None + while 1: + try: + rlifetime: Optional[float] + if expiration is not None: + rlifetime = expiration - time.time() + if rlifetime <= 0: + rlifetime = 0 + else: + rlifetime = None + answer = resolver.resolve( + name, dns.rdatatype.SOA, rdclass, tcp, lifetime=rlifetime + ) + assert answer.rrset is not None + if answer.rrset.name == name: + return name + # otherwise we were CNAMEd or DNAMEd and need to look higher + except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer) as e: + if isinstance(e, dns.resolver.NXDOMAIN): + response = e.responses().get(name) + else: + response = e.response() # pylint: disable=no-value-for-parameter + if response: + for rrs in response.authority: + if rrs.rdtype == dns.rdatatype.SOA and rrs.rdclass == rdclass: + (nr, _, _) = rrs.name.fullcompare(name) + if nr == dns.name.NAMERELN_SUPERDOMAIN: + # We're doing a proper superdomain check as + # if the name were equal we ought to have gotten + # it in the answer section! We are ignoring the + # possibility that the authority is insane and + # is including multiple SOA RRs for different + # authorities. + return rrs.name + # we couldn't extract anything useful from the response (e.g. it's + # a type 3 NXDOMAIN) + try: + name = name.parent() + except dns.name.NoParent: + raise NoRootSOA + + +def make_resolver_at( + where: Union[dns.name.Name, str], + port: int = 53, + family: int = socket.AF_UNSPEC, + resolver: Optional[Resolver] = None, +) -> Resolver: + """Make a stub resolver using the specified destination as the full resolver. + + *where*, a ``dns.name.Name`` or ``str`` the domain name or IP address of the + full resolver. + + *port*, an ``int``, the port to use. If not specified, the default is 53. + + *family*, an ``int``, the address family to use. This parameter is used if + *where* is not an address. The default is ``socket.AF_UNSPEC`` in which case + the first address returned by ``resolve_name()`` will be used, otherwise the + first address of the specified family will be used. + + *resolver*, a ``dns.resolver.Resolver`` or ``None``, the resolver to use for + resolution of hostnames. If not specified, the default resolver will be used. + + Returns a ``dns.resolver.Resolver`` or raises an exception. + """ + if resolver is None: + resolver = get_default_resolver() + nameservers: List[Union[str, dns.nameserver.Nameserver]] = [] + if isinstance(where, str) and dns.inet.is_address(where): + nameservers.append(dns.nameserver.Do53Nameserver(where, port)) + else: + for address in resolver.resolve_name(where, family).addresses(): + nameservers.append(dns.nameserver.Do53Nameserver(address, port)) + res = dns.resolver.Resolver(configure=False) + res.nameservers = nameservers + return res + + +def resolve_at( + where: Union[dns.name.Name, str], + qname: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.A, + rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + tcp: bool = False, + source: Optional[str] = None, + raise_on_no_answer: bool = True, + source_port: int = 0, + lifetime: Optional[float] = None, + search: Optional[bool] = None, + port: int = 53, + family: int = socket.AF_UNSPEC, + resolver: Optional[Resolver] = None, +) -> Answer: + """Query nameservers to find the answer to the question. + + This is a convenience function that calls ``dns.resolver.make_resolver_at()`` to + make a resolver, and then uses it to resolve the query. + + See ``dns.resolver.Resolver.resolve`` for more information on the resolution + parameters, and ``dns.resolver.make_resolver_at`` for information about the resolver + parameters *where*, *port*, *family*, and *resolver*. + + If making more than one query, it is more efficient to call + ``dns.resolver.make_resolver_at()`` and then use that resolver for the queries + instead of calling ``resolve_at()`` multiple times. + """ + return make_resolver_at(where, port, family, resolver).resolve( + qname, + rdtype, + rdclass, + tcp, + source, + raise_on_no_answer, + source_port, + lifetime, + search, + ) + + +# +# Support for overriding the system resolver for all python code in the +# running process. +# + +_protocols_for_socktype = { + socket.SOCK_DGRAM: [socket.SOL_UDP], + socket.SOCK_STREAM: [socket.SOL_TCP], +} + +_resolver = None +_original_getaddrinfo = socket.getaddrinfo +_original_getnameinfo = socket.getnameinfo +_original_getfqdn = socket.getfqdn +_original_gethostbyname = socket.gethostbyname +_original_gethostbyname_ex = socket.gethostbyname_ex +_original_gethostbyaddr = socket.gethostbyaddr + + +def _getaddrinfo( + host=None, service=None, family=socket.AF_UNSPEC, socktype=0, proto=0, flags=0 +): + if flags & socket.AI_NUMERICHOST != 0: + # Short circuit directly into the system's getaddrinfo(). We're + # not adding any value in this case, and this avoids infinite loops + # because dns.query.* needs to call getaddrinfo() for IPv6 scoping + # reasons. We will also do this short circuit below if we + # discover that the host is an address literal. + return _original_getaddrinfo(host, service, family, socktype, proto, flags) + if flags & (socket.AI_ADDRCONFIG | socket.AI_V4MAPPED) != 0: + # Not implemented. We raise a gaierror as opposed to a + # NotImplementedError as it helps callers handle errors more + # appropriately. [Issue #316] + # + # We raise EAI_FAIL as opposed to EAI_SYSTEM because there is + # no EAI_SYSTEM on Windows [Issue #416]. We didn't go for + # EAI_BADFLAGS as the flags aren't bad, we just don't + # implement them. + raise socket.gaierror( + socket.EAI_FAIL, "Non-recoverable failure in name resolution" + ) + if host is None and service is None: + raise socket.gaierror(socket.EAI_NONAME, "Name or service not known") + addrs = [] + canonical_name = None # pylint: disable=redefined-outer-name + # Is host None or an address literal? If so, use the system's + # getaddrinfo(). + if host is None: + return _original_getaddrinfo(host, service, family, socktype, proto, flags) + try: + # We don't care about the result of af_for_address(), we're just + # calling it so it raises an exception if host is not an IPv4 or + # IPv6 address. + dns.inet.af_for_address(host) + return _original_getaddrinfo(host, service, family, socktype, proto, flags) + except Exception: + pass + # Something needs resolution! + try: + answers = _resolver.resolve_name(host, family) + addrs = answers.addresses_and_families() + canonical_name = answers.canonical_name().to_text(True) + except dns.resolver.NXDOMAIN: + raise socket.gaierror(socket.EAI_NONAME, "Name or service not known") + except Exception: + # We raise EAI_AGAIN here as the failure may be temporary + # (e.g. a timeout) and EAI_SYSTEM isn't defined on Windows. + # [Issue #416] + raise socket.gaierror(socket.EAI_AGAIN, "Temporary failure in name resolution") + port = None + try: + # Is it a port literal? + if service is None: + port = 0 + else: + port = int(service) + except Exception: + if flags & socket.AI_NUMERICSERV == 0: + try: + port = socket.getservbyname(service) + except Exception: + pass + if port is None: + raise socket.gaierror(socket.EAI_NONAME, "Name or service not known") + tuples = [] + if socktype == 0: + socktypes = [socket.SOCK_DGRAM, socket.SOCK_STREAM] + else: + socktypes = [socktype] + if flags & socket.AI_CANONNAME != 0: + cname = canonical_name + else: + cname = "" + for addr, af in addrs: + for socktype in socktypes: + for proto in _protocols_for_socktype[socktype]: + addr_tuple = dns.inet.low_level_address_tuple((addr, port), af) + tuples.append((af, socktype, proto, cname, addr_tuple)) + if len(tuples) == 0: + raise socket.gaierror(socket.EAI_NONAME, "Name or service not known") + return tuples + + +def _getnameinfo(sockaddr, flags=0): + host = sockaddr[0] + port = sockaddr[1] + if len(sockaddr) == 4: + scope = sockaddr[3] + family = socket.AF_INET6 + else: + scope = None + family = socket.AF_INET + tuples = _getaddrinfo(host, port, family, socket.SOCK_STREAM, socket.SOL_TCP, 0) + if len(tuples) > 1: + raise socket.error("sockaddr resolved to multiple addresses") + addr = tuples[0][4][0] + if flags & socket.NI_DGRAM: + pname = "udp" + else: + pname = "tcp" + qname = dns.reversename.from_address(addr) + if flags & socket.NI_NUMERICHOST == 0: + try: + answer = _resolver.resolve(qname, "PTR") + hostname = answer.rrset[0].target.to_text(True) + except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): + if flags & socket.NI_NAMEREQD: + raise socket.gaierror(socket.EAI_NONAME, "Name or service not known") + hostname = addr + if scope is not None: + hostname += "%" + str(scope) + else: + hostname = addr + if scope is not None: + hostname += "%" + str(scope) + if flags & socket.NI_NUMERICSERV: + service = str(port) + else: + service = socket.getservbyport(port, pname) + return (hostname, service) + + +def _getfqdn(name=None): + if name is None: + name = socket.gethostname() + try: + (name, _, _) = _gethostbyaddr(name) + # Python's version checks aliases too, but our gethostbyname + # ignores them, so we do so here as well. + except Exception: + pass + return name + + +def _gethostbyname(name): + return _gethostbyname_ex(name)[2][0] + + +def _gethostbyname_ex(name): + aliases = [] + addresses = [] + tuples = _getaddrinfo( + name, 0, socket.AF_INET, socket.SOCK_STREAM, socket.SOL_TCP, socket.AI_CANONNAME + ) + canonical = tuples[0][3] + for item in tuples: + addresses.append(item[4][0]) + # XXX we just ignore aliases + return (canonical, aliases, addresses) + + +def _gethostbyaddr(ip): + try: + dns.ipv6.inet_aton(ip) + sockaddr = (ip, 80, 0, 0) + family = socket.AF_INET6 + except Exception: + try: + dns.ipv4.inet_aton(ip) + except Exception: + raise socket.gaierror(socket.EAI_NONAME, "Name or service not known") + sockaddr = (ip, 80) + family = socket.AF_INET + (name, _) = _getnameinfo(sockaddr, socket.NI_NAMEREQD) + aliases = [] + addresses = [] + tuples = _getaddrinfo( + name, 0, family, socket.SOCK_STREAM, socket.SOL_TCP, socket.AI_CANONNAME + ) + canonical = tuples[0][3] + # We only want to include an address from the tuples if it's the + # same as the one we asked about. We do this comparison in binary + # to avoid any differences in text representations. + bin_ip = dns.inet.inet_pton(family, ip) + for item in tuples: + addr = item[4][0] + bin_addr = dns.inet.inet_pton(family, addr) + if bin_ip == bin_addr: + addresses.append(addr) + # XXX we just ignore aliases + return (canonical, aliases, addresses) + + +def override_system_resolver(resolver: Optional[Resolver] = None) -> None: + """Override the system resolver routines in the socket module with + versions which use dnspython's resolver. + + This can be useful in testing situations where you want to control + the resolution behavior of python code without having to change + the system's resolver settings (e.g. /etc/resolv.conf). + + The resolver to use may be specified; if it's not, the default + resolver will be used. + + resolver, a ``dns.resolver.Resolver`` or ``None``, the resolver to use. + """ + + if resolver is None: + resolver = get_default_resolver() + global _resolver + _resolver = resolver + socket.getaddrinfo = _getaddrinfo + socket.getnameinfo = _getnameinfo + socket.getfqdn = _getfqdn + socket.gethostbyname = _gethostbyname + socket.gethostbyname_ex = _gethostbyname_ex + socket.gethostbyaddr = _gethostbyaddr + + +def restore_system_resolver() -> None: + """Undo the effects of prior override_system_resolver().""" + + global _resolver + _resolver = None + socket.getaddrinfo = _original_getaddrinfo + socket.getnameinfo = _original_getnameinfo + socket.getfqdn = _original_getfqdn + socket.gethostbyname = _original_gethostbyname + socket.gethostbyname_ex = _original_gethostbyname_ex + socket.gethostbyaddr = _original_gethostbyaddr diff --git a/venv/lib/python3.12/site-packages/dns/reversename.py b/venv/lib/python3.12/site-packages/dns/reversename.py new file mode 100644 index 0000000..8236c71 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/reversename.py @@ -0,0 +1,105 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Reverse Map Names.""" + +import binascii + +import dns.ipv4 +import dns.ipv6 +import dns.name + +ipv4_reverse_domain = dns.name.from_text("in-addr.arpa.") +ipv6_reverse_domain = dns.name.from_text("ip6.arpa.") + + +def from_address( + text: str, + v4_origin: dns.name.Name = ipv4_reverse_domain, + v6_origin: dns.name.Name = ipv6_reverse_domain, +) -> dns.name.Name: + """Convert an IPv4 or IPv6 address in textual form into a Name object whose + value is the reverse-map domain name of the address. + + *text*, a ``str``, is an IPv4 or IPv6 address in textual form + (e.g. '127.0.0.1', '::1') + + *v4_origin*, a ``dns.name.Name`` to append to the labels corresponding to + the address if the address is an IPv4 address, instead of the default + (in-addr.arpa.) + + *v6_origin*, a ``dns.name.Name`` to append to the labels corresponding to + the address if the address is an IPv6 address, instead of the default + (ip6.arpa.) + + Raises ``dns.exception.SyntaxError`` if the address is badly formed. + + Returns a ``dns.name.Name``. + """ + + try: + v6 = dns.ipv6.inet_aton(text) + if dns.ipv6.is_mapped(v6): + parts = ["%d" % byte for byte in v6[12:]] + origin = v4_origin + else: + parts = [x for x in str(binascii.hexlify(v6).decode())] + origin = v6_origin + except Exception: + parts = ["%d" % byte for byte in dns.ipv4.inet_aton(text)] + origin = v4_origin + return dns.name.from_text(".".join(reversed(parts)), origin=origin) + + +def to_address( + name: dns.name.Name, + v4_origin: dns.name.Name = ipv4_reverse_domain, + v6_origin: dns.name.Name = ipv6_reverse_domain, +) -> str: + """Convert a reverse map domain name into textual address form. + + *name*, a ``dns.name.Name``, an IPv4 or IPv6 address in reverse-map name + form. + + *v4_origin*, a ``dns.name.Name`` representing the top-level domain for + IPv4 addresses, instead of the default (in-addr.arpa.) + + *v6_origin*, a ``dns.name.Name`` representing the top-level domain for + IPv4 addresses, instead of the default (ip6.arpa.) + + Raises ``dns.exception.SyntaxError`` if the name does not have a + reverse-map form. + + Returns a ``str``. + """ + + if name.is_subdomain(v4_origin): + name = name.relativize(v4_origin) + text = b".".join(reversed(name.labels)) + # run through inet_ntoa() to check syntax and make pretty. + return dns.ipv4.inet_ntoa(dns.ipv4.inet_aton(text)) + elif name.is_subdomain(v6_origin): + name = name.relativize(v6_origin) + labels = list(reversed(name.labels)) + parts = [] + for i in range(0, len(labels), 4): + parts.append(b"".join(labels[i : i + 4])) + text = b":".join(parts) + # run through inet_ntoa() to check syntax and make pretty. + return dns.ipv6.inet_ntoa(dns.ipv6.inet_aton(text)) + else: + raise dns.exception.SyntaxError("unknown reverse-map address family") diff --git a/venv/lib/python3.12/site-packages/dns/rrset.py b/venv/lib/python3.12/site-packages/dns/rrset.py new file mode 100644 index 0000000..6f39b10 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/rrset.py @@ -0,0 +1,285 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS RRsets (an RRset is a named rdataset)""" + +from typing import Any, Collection, Dict, Optional, Union, cast + +import dns.name +import dns.rdataclass +import dns.rdataset +import dns.renderer + + +class RRset(dns.rdataset.Rdataset): + """A DNS RRset (named rdataset). + + RRset inherits from Rdataset, and RRsets can be treated as + Rdatasets in most cases. There are, however, a few notable + exceptions. RRsets have different to_wire() and to_text() method + arguments, reflecting the fact that RRsets always have an owner + name. + """ + + __slots__ = ["name", "deleting"] + + def __init__( + self, + name: dns.name.Name, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + deleting: Optional[dns.rdataclass.RdataClass] = None, + ): + """Create a new RRset.""" + + super().__init__(rdclass, rdtype, covers) + self.name = name + self.deleting = deleting + + def _clone(self): + obj = super()._clone() + obj.name = self.name + obj.deleting = self.deleting + return obj + + def __repr__(self): + if self.covers == 0: + ctext = "" + else: + ctext = "(" + dns.rdatatype.to_text(self.covers) + ")" + if self.deleting is not None: + dtext = " delete=" + dns.rdataclass.to_text(self.deleting) + else: + dtext = "" + return ( + "" + ) + + def __str__(self): + return self.to_text() + + def __eq__(self, other): + if isinstance(other, RRset): + if self.name != other.name: + return False + elif not isinstance(other, dns.rdataset.Rdataset): + return False + return super().__eq__(other) + + def match(self, *args: Any, **kwargs: Any) -> bool: # type: ignore[override] + """Does this rrset match the specified attributes? + + Behaves as :py:func:`full_match()` if the first argument is a + ``dns.name.Name``, and as :py:func:`dns.rdataset.Rdataset.match()` + otherwise. + + (This behavior fixes a design mistake where the signature of this + method became incompatible with that of its superclass. The fix + makes RRsets matchable as Rdatasets while preserving backwards + compatibility.) + """ + if isinstance(args[0], dns.name.Name): + return self.full_match(*args, **kwargs) # type: ignore[arg-type] + else: + return super().match(*args, **kwargs) # type: ignore[arg-type] + + def full_match( + self, + name: dns.name.Name, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType, + deleting: Optional[dns.rdataclass.RdataClass] = None, + ) -> bool: + """Returns ``True`` if this rrset matches the specified name, class, + type, covers, and deletion state. + """ + if not super().match(rdclass, rdtype, covers): + return False + if self.name != name or self.deleting != deleting: + return False + return True + + # pylint: disable=arguments-differ + + def to_text( # type: ignore[override] + self, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + **kw: Dict[str, Any], + ) -> str: + """Convert the RRset into DNS zone file format. + + See ``dns.name.Name.choose_relativity`` for more information + on how *origin* and *relativize* determine the way names + are emitted. + + Any additional keyword arguments are passed on to the rdata + ``to_text()`` method. + + *origin*, a ``dns.name.Name`` or ``None``, the origin for relative + names. + + *relativize*, a ``bool``. If ``True``, names will be relativized + to *origin*. + """ + + return super().to_text( + self.name, origin, relativize, self.deleting, **kw # type: ignore + ) + + def to_wire( # type: ignore[override] + self, + file: Any, + compress: Optional[dns.name.CompressType] = None, # type: ignore + origin: Optional[dns.name.Name] = None, + **kw: Dict[str, Any], + ) -> int: + """Convert the RRset to wire format. + + All keyword arguments are passed to ``dns.rdataset.to_wire()``; see + that function for details. + + Returns an ``int``, the number of records emitted. + """ + + return super().to_wire( + self.name, file, compress, origin, self.deleting, **kw # type:ignore + ) + + # pylint: enable=arguments-differ + + def to_rdataset(self) -> dns.rdataset.Rdataset: + """Convert an RRset into an Rdataset. + + Returns a ``dns.rdataset.Rdataset``. + """ + return dns.rdataset.from_rdata_list(self.ttl, list(self)) + + +def from_text_list( + name: Union[dns.name.Name, str], + ttl: int, + rdclass: Union[dns.rdataclass.RdataClass, str], + rdtype: Union[dns.rdatatype.RdataType, str], + text_rdatas: Collection[str], + idna_codec: Optional[dns.name.IDNACodec] = None, + origin: Optional[dns.name.Name] = None, + relativize: bool = True, + relativize_to: Optional[dns.name.Name] = None, +) -> RRset: + """Create an RRset with the specified name, TTL, class, and type, and with + the specified list of rdatas in text format. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use; if ``None``, the default IDNA 2003 + encoder/decoder is used. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + Returns a ``dns.rrset.RRset`` object. + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None, idna_codec=idna_codec) + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + r = RRset(name, rdclass, rdtype) + r.update_ttl(ttl) + for t in text_rdatas: + rd = dns.rdata.from_text( + r.rdclass, r.rdtype, t, origin, relativize, relativize_to, idna_codec + ) + r.add(rd) + return r + + +def from_text( + name: Union[dns.name.Name, str], + ttl: int, + rdclass: Union[dns.rdataclass.RdataClass, str], + rdtype: Union[dns.rdatatype.RdataType, str], + *text_rdatas: Any, +) -> RRset: + """Create an RRset with the specified name, TTL, class, and type and with + the specified rdatas in text format. + + Returns a ``dns.rrset.RRset`` object. + """ + + return from_text_list( + name, ttl, rdclass, rdtype, cast(Collection[str], text_rdatas) + ) + + +def from_rdata_list( + name: Union[dns.name.Name, str], + ttl: int, + rdatas: Collection[dns.rdata.Rdata], + idna_codec: Optional[dns.name.IDNACodec] = None, +) -> RRset: + """Create an RRset with the specified name and TTL, and with + the specified list of rdata objects. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use; if ``None``, the default IDNA 2003 + encoder/decoder is used. + + Returns a ``dns.rrset.RRset`` object. + + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None, idna_codec=idna_codec) + + if len(rdatas) == 0: + raise ValueError("rdata list must not be empty") + r = None + for rd in rdatas: + if r is None: + r = RRset(name, rd.rdclass, rd.rdtype) + r.update_ttl(ttl) + r.add(rd) + assert r is not None + return r + + +def from_rdata(name: Union[dns.name.Name, str], ttl: int, *rdatas: Any) -> RRset: + """Create an RRset with the specified name and TTL, and with + the specified rdata objects. + + Returns a ``dns.rrset.RRset`` object. + """ + + return from_rdata_list(name, ttl, cast(Collection[dns.rdata.Rdata], rdatas)) diff --git a/venv/lib/python3.12/site-packages/dns/serial.py b/venv/lib/python3.12/site-packages/dns/serial.py new file mode 100644 index 0000000..3417299 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/serial.py @@ -0,0 +1,118 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""Serial Number Arthimetic from RFC 1982""" + + +class Serial: + def __init__(self, value: int, bits: int = 32): + self.value = value % 2**bits + self.bits = bits + + def __repr__(self): + return f"dns.serial.Serial({self.value}, {self.bits})" + + def __eq__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + return self.value == other.value + + def __ne__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + return self.value != other.value + + def __lt__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + if self.value < other.value and other.value - self.value < 2 ** (self.bits - 1): + return True + elif self.value > other.value and self.value - other.value > 2 ** ( + self.bits - 1 + ): + return True + else: + return False + + def __le__(self, other): + return self == other or self < other + + def __gt__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + if self.value < other.value and other.value - self.value > 2 ** (self.bits - 1): + return True + elif self.value > other.value and self.value - other.value < 2 ** ( + self.bits - 1 + ): + return True + else: + return False + + def __ge__(self, other): + return self == other or self > other + + def __add__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v += delta + v = v % 2**self.bits + return Serial(v, self.bits) + + def __iadd__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v += delta + v = v % 2**self.bits + self.value = v + return self + + def __sub__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v -= delta + v = v % 2**self.bits + return Serial(v, self.bits) + + def __isub__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v -= delta + v = v % 2**self.bits + self.value = v + return self diff --git a/venv/lib/python3.12/site-packages/dns/set.py b/venv/lib/python3.12/site-packages/dns/set.py new file mode 100644 index 0000000..f0fb0d5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/set.py @@ -0,0 +1,307 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import itertools + + +class Set: + """A simple set class. + + This class was originally used to deal with sets being missing in + ancient versions of python, but dnspython will continue to use it + as these sets are based on lists and are thus indexable, and this + ability is widely used in dnspython applications. + """ + + __slots__ = ["items"] + + def __init__(self, items=None): + """Initialize the set. + + *items*, an iterable or ``None``, the initial set of items. + """ + + self.items = dict() + if items is not None: + for item in items: + # This is safe for how we use set, but if other code + # subclasses it could be a legitimate issue. + self.add(item) # lgtm[py/init-calls-subclass] + + def __repr__(self): + return "dns.set.Set(%s)" % repr(list(self.items.keys())) + + def add(self, item): + """Add an item to the set.""" + + if item not in self.items: + self.items[item] = None + + def remove(self, item): + """Remove an item from the set.""" + + try: + del self.items[item] + except KeyError: + raise ValueError + + def discard(self, item): + """Remove an item from the set if present.""" + + self.items.pop(item, None) + + def pop(self): + """Remove an arbitrary item from the set.""" + (k, _) = self.items.popitem() + return k + + def _clone(self) -> "Set": + """Make a (shallow) copy of the set. + + There is a 'clone protocol' that subclasses of this class + should use. To make a copy, first call your super's _clone() + method, and use the object returned as the new instance. Then + make shallow copies of the attributes defined in the subclass. + + This protocol allows us to write the set algorithms that + return new instances (e.g. union) once, and keep using them in + subclasses. + """ + + if hasattr(self, "_clone_class"): + cls = self._clone_class # type: ignore + else: + cls = self.__class__ + obj = cls.__new__(cls) + obj.items = dict() + obj.items.update(self.items) + return obj + + def __copy__(self): + """Make a (shallow) copy of the set.""" + + return self._clone() + + def copy(self): + """Make a (shallow) copy of the set.""" + + return self._clone() + + def union_update(self, other): + """Update the set, adding any elements from other which are not + already in the set. + """ + + if not isinstance(other, Set): + raise ValueError("other must be a Set instance") + if self is other: # lgtm[py/comparison-using-is] + return + for item in other.items: + self.add(item) + + def intersection_update(self, other): + """Update the set, removing any elements from other which are not + in both sets. + """ + + if not isinstance(other, Set): + raise ValueError("other must be a Set instance") + if self is other: # lgtm[py/comparison-using-is] + return + # we make a copy of the list so that we can remove items from + # the list without breaking the iterator. + for item in list(self.items): + if item not in other.items: + del self.items[item] + + def difference_update(self, other): + """Update the set, removing any elements from other which are in + the set. + """ + + if not isinstance(other, Set): + raise ValueError("other must be a Set instance") + if self is other: # lgtm[py/comparison-using-is] + self.items.clear() + else: + for item in other.items: + self.discard(item) + + def symmetric_difference_update(self, other): + """Update the set, retaining only elements unique to both sets.""" + + if not isinstance(other, Set): + raise ValueError("other must be a Set instance") + if self is other: # lgtm[py/comparison-using-is] + self.items.clear() + else: + overlap = self.intersection(other) + self.union_update(other) + self.difference_update(overlap) + + def union(self, other): + """Return a new set which is the union of ``self`` and ``other``. + + Returns the same Set type as this set. + """ + + obj = self._clone() + obj.union_update(other) + return obj + + def intersection(self, other): + """Return a new set which is the intersection of ``self`` and + ``other``. + + Returns the same Set type as this set. + """ + + obj = self._clone() + obj.intersection_update(other) + return obj + + def difference(self, other): + """Return a new set which ``self`` - ``other``, i.e. the items + in ``self`` which are not also in ``other``. + + Returns the same Set type as this set. + """ + + obj = self._clone() + obj.difference_update(other) + return obj + + def symmetric_difference(self, other): + """Return a new set which (``self`` - ``other``) | (``other`` + - ``self), ie: the items in either ``self`` or ``other`` which + are not contained in their intersection. + + Returns the same Set type as this set. + """ + + obj = self._clone() + obj.symmetric_difference_update(other) + return obj + + def __or__(self, other): + return self.union(other) + + def __and__(self, other): + return self.intersection(other) + + def __add__(self, other): + return self.union(other) + + def __sub__(self, other): + return self.difference(other) + + def __xor__(self, other): + return self.symmetric_difference(other) + + def __ior__(self, other): + self.union_update(other) + return self + + def __iand__(self, other): + self.intersection_update(other) + return self + + def __iadd__(self, other): + self.union_update(other) + return self + + def __isub__(self, other): + self.difference_update(other) + return self + + def __ixor__(self, other): + self.symmetric_difference_update(other) + return self + + def update(self, other): + """Update the set, adding any elements from other which are not + already in the set. + + *other*, the collection of items with which to update the set, which + may be any iterable type. + """ + + for item in other: + self.add(item) + + def clear(self): + """Make the set empty.""" + self.items.clear() + + def __eq__(self, other): + return self.items == other.items + + def __ne__(self, other): + return not self.__eq__(other) + + def __len__(self): + return len(self.items) + + def __iter__(self): + return iter(self.items) + + def __getitem__(self, i): + if isinstance(i, slice): + return list(itertools.islice(self.items, i.start, i.stop, i.step)) + else: + return next(itertools.islice(self.items, i, i + 1)) + + def __delitem__(self, i): + if isinstance(i, slice): + for elt in list(self[i]): + del self.items[elt] + else: + del self.items[self[i]] + + def issubset(self, other): + """Is this set a subset of *other*? + + Returns a ``bool``. + """ + + if not isinstance(other, Set): + raise ValueError("other must be a Set instance") + for item in self.items: + if item not in other.items: + return False + return True + + def issuperset(self, other): + """Is this set a superset of *other*? + + Returns a ``bool``. + """ + + if not isinstance(other, Set): + raise ValueError("other must be a Set instance") + for item in other.items: + if item not in self.items: + return False + return True + + def isdisjoint(self, other): + if not isinstance(other, Set): + raise ValueError("other must be a Set instance") + for item in other.items: + if item in self.items: + return False + return True diff --git a/venv/lib/python3.12/site-packages/dns/tokenizer.py b/venv/lib/python3.12/site-packages/dns/tokenizer.py new file mode 100644 index 0000000..454cac4 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/tokenizer.py @@ -0,0 +1,708 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Tokenize DNS zone file format""" + +import io +import sys +from typing import Any, List, Optional, Tuple + +import dns.exception +import dns.name +import dns.ttl + +_DELIMITERS = {" ", "\t", "\n", ";", "(", ")", '"'} +_QUOTING_DELIMITERS = {'"'} + +EOF = 0 +EOL = 1 +WHITESPACE = 2 +IDENTIFIER = 3 +QUOTED_STRING = 4 +COMMENT = 5 +DELIMITER = 6 + + +class UngetBufferFull(dns.exception.DNSException): + """An attempt was made to unget a token when the unget buffer was full.""" + + +class Token: + """A DNS zone file format token. + + ttype: The token type + value: The token value + has_escape: Does the token value contain escapes? + """ + + def __init__( + self, + ttype: int, + value: Any = "", + has_escape: bool = False, + comment: Optional[str] = None, + ): + """Initialize a token instance.""" + + self.ttype = ttype + self.value = value + self.has_escape = has_escape + self.comment = comment + + def is_eof(self) -> bool: + return self.ttype == EOF + + def is_eol(self) -> bool: + return self.ttype == EOL + + def is_whitespace(self) -> bool: + return self.ttype == WHITESPACE + + def is_identifier(self) -> bool: + return self.ttype == IDENTIFIER + + def is_quoted_string(self) -> bool: + return self.ttype == QUOTED_STRING + + def is_comment(self) -> bool: + return self.ttype == COMMENT + + def is_delimiter(self) -> bool: # pragma: no cover (we don't return delimiters yet) + return self.ttype == DELIMITER + + def is_eol_or_eof(self) -> bool: + return self.ttype == EOL or self.ttype == EOF + + def __eq__(self, other): + if not isinstance(other, Token): + return False + return self.ttype == other.ttype and self.value == other.value + + def __ne__(self, other): + if not isinstance(other, Token): + return True + return self.ttype != other.ttype or self.value != other.value + + def __str__(self): + return '%d "%s"' % (self.ttype, self.value) + + def unescape(self) -> "Token": + if not self.has_escape: + return self + unescaped = "" + l = len(self.value) + i = 0 + while i < l: + c = self.value[i] + i += 1 + if c == "\\": + if i >= l: # pragma: no cover (can't happen via get()) + raise dns.exception.UnexpectedEnd + c = self.value[i] + i += 1 + if c.isdigit(): + if i >= l: + raise dns.exception.UnexpectedEnd + c2 = self.value[i] + i += 1 + if i >= l: + raise dns.exception.UnexpectedEnd + c3 = self.value[i] + i += 1 + if not (c2.isdigit() and c3.isdigit()): + raise dns.exception.SyntaxError + codepoint = int(c) * 100 + int(c2) * 10 + int(c3) + if codepoint > 255: + raise dns.exception.SyntaxError + c = chr(codepoint) + unescaped += c + return Token(self.ttype, unescaped) + + def unescape_to_bytes(self) -> "Token": + # We used to use unescape() for TXT-like records, but this + # caused problems as we'd process DNS escapes into Unicode code + # points instead of byte values, and then a to_text() of the + # processed data would not equal the original input. For + # example, \226 in the TXT record would have a to_text() of + # \195\162 because we applied UTF-8 encoding to Unicode code + # point 226. + # + # We now apply escapes while converting directly to bytes, + # avoiding this double encoding. + # + # This code also handles cases where the unicode input has + # non-ASCII code-points in it by converting it to UTF-8. TXT + # records aren't defined for Unicode, but this is the best we + # can do to preserve meaning. For example, + # + # foo\u200bbar + # + # (where \u200b is Unicode code point 0x200b) will be treated + # as if the input had been the UTF-8 encoding of that string, + # namely: + # + # foo\226\128\139bar + # + unescaped = b"" + l = len(self.value) + i = 0 + while i < l: + c = self.value[i] + i += 1 + if c == "\\": + if i >= l: # pragma: no cover (can't happen via get()) + raise dns.exception.UnexpectedEnd + c = self.value[i] + i += 1 + if c.isdigit(): + if i >= l: + raise dns.exception.UnexpectedEnd + c2 = self.value[i] + i += 1 + if i >= l: + raise dns.exception.UnexpectedEnd + c3 = self.value[i] + i += 1 + if not (c2.isdigit() and c3.isdigit()): + raise dns.exception.SyntaxError + codepoint = int(c) * 100 + int(c2) * 10 + int(c3) + if codepoint > 255: + raise dns.exception.SyntaxError + unescaped += b"%c" % (codepoint) + else: + # Note that as mentioned above, if c is a Unicode + # code point outside of the ASCII range, then this + # += is converting that code point to its UTF-8 + # encoding and appending multiple bytes to + # unescaped. + unescaped += c.encode() + else: + unescaped += c.encode() + return Token(self.ttype, bytes(unescaped)) + + +class Tokenizer: + """A DNS zone file format tokenizer. + + A token object is basically a (type, value) tuple. The valid + types are EOF, EOL, WHITESPACE, IDENTIFIER, QUOTED_STRING, + COMMENT, and DELIMITER. + + file: The file to tokenize + + ungotten_char: The most recently ungotten character, or None. + + ungotten_token: The most recently ungotten token, or None. + + multiline: The current multiline level. This value is increased + by one every time a '(' delimiter is read, and decreased by one every time + a ')' delimiter is read. + + quoting: This variable is true if the tokenizer is currently + reading a quoted string. + + eof: This variable is true if the tokenizer has encountered EOF. + + delimiters: The current delimiter dictionary. + + line_number: The current line number + + filename: A filename that will be returned by the where() method. + + idna_codec: A dns.name.IDNACodec, specifies the IDNA + encoder/decoder. If None, the default IDNA 2003 + encoder/decoder is used. + """ + + def __init__( + self, + f: Any = sys.stdin, + filename: Optional[str] = None, + idna_codec: Optional[dns.name.IDNACodec] = None, + ): + """Initialize a tokenizer instance. + + f: The file to tokenize. The default is sys.stdin. + This parameter may also be a string, in which case the tokenizer + will take its input from the contents of the string. + + filename: the name of the filename that the where() method + will return. + + idna_codec: A dns.name.IDNACodec, specifies the IDNA + encoder/decoder. If None, the default IDNA 2003 + encoder/decoder is used. + """ + + if isinstance(f, str): + f = io.StringIO(f) + if filename is None: + filename = "" + elif isinstance(f, bytes): + f = io.StringIO(f.decode()) + if filename is None: + filename = "" + else: + if filename is None: + if f is sys.stdin: + filename = "" + else: + filename = "" + self.file = f + self.ungotten_char: Optional[str] = None + self.ungotten_token: Optional[Token] = None + self.multiline = 0 + self.quoting = False + self.eof = False + self.delimiters = _DELIMITERS + self.line_number = 1 + assert filename is not None + self.filename = filename + if idna_codec is None: + self.idna_codec: dns.name.IDNACodec = dns.name.IDNA_2003 + else: + self.idna_codec = idna_codec + + def _get_char(self) -> str: + """Read a character from input.""" + + if self.ungotten_char is None: + if self.eof: + c = "" + else: + c = self.file.read(1) + if c == "": + self.eof = True + elif c == "\n": + self.line_number += 1 + else: + c = self.ungotten_char + self.ungotten_char = None + return c + + def where(self) -> Tuple[str, int]: + """Return the current location in the input. + + Returns a (string, int) tuple. The first item is the filename of + the input, the second is the current line number. + """ + + return (self.filename, self.line_number) + + def _unget_char(self, c: str) -> None: + """Unget a character. + + The unget buffer for characters is only one character large; it is + an error to try to unget a character when the unget buffer is not + empty. + + c: the character to unget + raises UngetBufferFull: there is already an ungotten char + """ + + if self.ungotten_char is not None: + # this should never happen! + raise UngetBufferFull # pragma: no cover + self.ungotten_char = c + + def skip_whitespace(self) -> int: + """Consume input until a non-whitespace character is encountered. + + The non-whitespace character is then ungotten, and the number of + whitespace characters consumed is returned. + + If the tokenizer is in multiline mode, then newlines are whitespace. + + Returns the number of characters skipped. + """ + + skipped = 0 + while True: + c = self._get_char() + if c != " " and c != "\t": + if (c != "\n") or not self.multiline: + self._unget_char(c) + return skipped + skipped += 1 + + def get(self, want_leading: bool = False, want_comment: bool = False) -> Token: + """Get the next token. + + want_leading: If True, return a WHITESPACE token if the + first character read is whitespace. The default is False. + + want_comment: If True, return a COMMENT token if the + first token read is a comment. The default is False. + + Raises dns.exception.UnexpectedEnd: input ended prematurely + + Raises dns.exception.SyntaxError: input was badly formed + + Returns a Token. + """ + + if self.ungotten_token is not None: + utoken = self.ungotten_token + self.ungotten_token = None + if utoken.is_whitespace(): + if want_leading: + return utoken + elif utoken.is_comment(): + if want_comment: + return utoken + else: + return utoken + skipped = self.skip_whitespace() + if want_leading and skipped > 0: + return Token(WHITESPACE, " ") + token = "" + ttype = IDENTIFIER + has_escape = False + while True: + c = self._get_char() + if c == "" or c in self.delimiters: + if c == "" and self.quoting: + raise dns.exception.UnexpectedEnd + if token == "" and ttype != QUOTED_STRING: + if c == "(": + self.multiline += 1 + self.skip_whitespace() + continue + elif c == ")": + if self.multiline <= 0: + raise dns.exception.SyntaxError + self.multiline -= 1 + self.skip_whitespace() + continue + elif c == '"': + if not self.quoting: + self.quoting = True + self.delimiters = _QUOTING_DELIMITERS + ttype = QUOTED_STRING + continue + else: + self.quoting = False + self.delimiters = _DELIMITERS + self.skip_whitespace() + continue + elif c == "\n": + return Token(EOL, "\n") + elif c == ";": + while 1: + c = self._get_char() + if c == "\n" or c == "": + break + token += c + if want_comment: + self._unget_char(c) + return Token(COMMENT, token) + elif c == "": + if self.multiline: + raise dns.exception.SyntaxError( + "unbalanced parentheses" + ) + return Token(EOF, comment=token) + elif self.multiline: + self.skip_whitespace() + token = "" + continue + else: + return Token(EOL, "\n", comment=token) + else: + # This code exists in case we ever want a + # delimiter to be returned. It never produces + # a token currently. + token = c + ttype = DELIMITER + else: + self._unget_char(c) + break + elif self.quoting and c == "\n": + raise dns.exception.SyntaxError("newline in quoted string") + elif c == "\\": + # + # It's an escape. Put it and the next character into + # the token; it will be checked later for goodness. + # + token += c + has_escape = True + c = self._get_char() + if c == "" or (c == "\n" and not self.quoting): + raise dns.exception.UnexpectedEnd + token += c + if token == "" and ttype != QUOTED_STRING: + if self.multiline: + raise dns.exception.SyntaxError("unbalanced parentheses") + ttype = EOF + return Token(ttype, token, has_escape) + + def unget(self, token: Token) -> None: + """Unget a token. + + The unget buffer for tokens is only one token large; it is + an error to try to unget a token when the unget buffer is not + empty. + + token: the token to unget + + Raises UngetBufferFull: there is already an ungotten token + """ + + if self.ungotten_token is not None: + raise UngetBufferFull + self.ungotten_token = token + + def next(self): + """Return the next item in an iteration. + + Returns a Token. + """ + + token = self.get() + if token.is_eof(): + raise StopIteration + return token + + __next__ = next + + def __iter__(self): + return self + + # Helpers + + def get_int(self, base: int = 10) -> int: + """Read the next token and interpret it as an unsigned integer. + + Raises dns.exception.SyntaxError if not an unsigned integer. + + Returns an int. + """ + + token = self.get().unescape() + if not token.is_identifier(): + raise dns.exception.SyntaxError("expecting an identifier") + if not token.value.isdigit(): + raise dns.exception.SyntaxError("expecting an integer") + return int(token.value, base) + + def get_uint8(self) -> int: + """Read the next token and interpret it as an 8-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not an 8-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int() + if value < 0 or value > 255: + raise dns.exception.SyntaxError( + "%d is not an unsigned 8-bit integer" % value + ) + return value + + def get_uint16(self, base: int = 10) -> int: + """Read the next token and interpret it as a 16-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not a 16-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int(base=base) + if value < 0 or value > 65535: + if base == 8: + raise dns.exception.SyntaxError( + "%o is not an octal unsigned 16-bit integer" % value + ) + else: + raise dns.exception.SyntaxError( + "%d is not an unsigned 16-bit integer" % value + ) + return value + + def get_uint32(self, base: int = 10) -> int: + """Read the next token and interpret it as a 32-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not a 32-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int(base=base) + if value < 0 or value > 4294967295: + raise dns.exception.SyntaxError( + "%d is not an unsigned 32-bit integer" % value + ) + return value + + def get_uint48(self, base: int = 10) -> int: + """Read the next token and interpret it as a 48-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not a 48-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int(base=base) + if value < 0 or value > 281474976710655: + raise dns.exception.SyntaxError( + "%d is not an unsigned 48-bit integer" % value + ) + return value + + def get_string(self, max_length: Optional[int] = None) -> str: + """Read the next token and interpret it as a string. + + Raises dns.exception.SyntaxError if not a string. + Raises dns.exception.SyntaxError if token value length + exceeds max_length (if specified). + + Returns a string. + """ + + token = self.get().unescape() + if not (token.is_identifier() or token.is_quoted_string()): + raise dns.exception.SyntaxError("expecting a string") + if max_length and len(token.value) > max_length: + raise dns.exception.SyntaxError("string too long") + return token.value + + def get_identifier(self) -> str: + """Read the next token, which should be an identifier. + + Raises dns.exception.SyntaxError if not an identifier. + + Returns a string. + """ + + token = self.get().unescape() + if not token.is_identifier(): + raise dns.exception.SyntaxError("expecting an identifier") + return token.value + + def get_remaining(self, max_tokens: Optional[int] = None) -> List[Token]: + """Return the remaining tokens on the line, until an EOL or EOF is seen. + + max_tokens: If not None, stop after this number of tokens. + + Returns a list of tokens. + """ + + tokens = [] + while True: + token = self.get() + if token.is_eol_or_eof(): + self.unget(token) + break + tokens.append(token) + if len(tokens) == max_tokens: + break + return tokens + + def concatenate_remaining_identifiers(self, allow_empty: bool = False) -> str: + """Read the remaining tokens on the line, which should be identifiers. + + Raises dns.exception.SyntaxError if there are no remaining tokens, + unless `allow_empty=True` is given. + + Raises dns.exception.SyntaxError if a token is seen that is not an + identifier. + + Returns a string containing a concatenation of the remaining + identifiers. + """ + s = "" + while True: + token = self.get().unescape() + if token.is_eol_or_eof(): + self.unget(token) + break + if not token.is_identifier(): + raise dns.exception.SyntaxError + s += token.value + if not (allow_empty or s): + raise dns.exception.SyntaxError("expecting another identifier") + return s + + def as_name( + self, + token: Token, + origin: Optional[dns.name.Name] = None, + relativize: bool = False, + relativize_to: Optional[dns.name.Name] = None, + ) -> dns.name.Name: + """Try to interpret the token as a DNS name. + + Raises dns.exception.SyntaxError if not a name. + + Returns a dns.name.Name. + """ + if not token.is_identifier(): + raise dns.exception.SyntaxError("expecting an identifier") + name = dns.name.from_text(token.value, origin, self.idna_codec) + return name.choose_relativity(relativize_to or origin, relativize) + + def get_name( + self, + origin: Optional[dns.name.Name] = None, + relativize: bool = False, + relativize_to: Optional[dns.name.Name] = None, + ) -> dns.name.Name: + """Read the next token and interpret it as a DNS name. + + Raises dns.exception.SyntaxError if not a name. + + Returns a dns.name.Name. + """ + + token = self.get() + return self.as_name(token, origin, relativize, relativize_to) + + def get_eol_as_token(self) -> Token: + """Read the next token and raise an exception if it isn't EOL or + EOF. + + Returns a string. + """ + + token = self.get() + if not token.is_eol_or_eof(): + raise dns.exception.SyntaxError( + 'expected EOL or EOF, got %d "%s"' % (token.ttype, token.value) + ) + return token + + def get_eol(self) -> str: + return self.get_eol_as_token().value + + def get_ttl(self) -> int: + """Read the next token and interpret it as a DNS TTL. + + Raises dns.exception.SyntaxError or dns.ttl.BadTTL if not an + identifier or badly formed. + + Returns an int. + """ + + token = self.get().unescape() + if not token.is_identifier(): + raise dns.exception.SyntaxError("expecting an identifier") + return dns.ttl.from_text(token.value) diff --git a/venv/lib/python3.12/site-packages/dns/transaction.py b/venv/lib/python3.12/site-packages/dns/transaction.py new file mode 100644 index 0000000..84e54f7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/transaction.py @@ -0,0 +1,651 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import collections +from typing import Any, Callable, Iterator, List, Optional, Tuple, Union + +import dns.exception +import dns.name +import dns.node +import dns.rdataclass +import dns.rdataset +import dns.rdatatype +import dns.rrset +import dns.serial +import dns.ttl + + +class TransactionManager: + def reader(self) -> "Transaction": + """Begin a read-only transaction.""" + raise NotImplementedError # pragma: no cover + + def writer(self, replacement: bool = False) -> "Transaction": + """Begin a writable transaction. + + *replacement*, a ``bool``. If `True`, the content of the + transaction completely replaces any prior content. If False, + the default, then the content of the transaction updates the + existing content. + """ + raise NotImplementedError # pragma: no cover + + def origin_information( + self, + ) -> Tuple[Optional[dns.name.Name], bool, Optional[dns.name.Name]]: + """Returns a tuple + + (absolute_origin, relativize, effective_origin) + + giving the absolute name of the default origin for any + relative domain names, the "effective origin", and whether + names should be relativized. The "effective origin" is the + absolute origin if relativize is False, and the empty name if + relativize is true. (The effective origin is provided even + though it can be computed from the absolute_origin and + relativize setting because it avoids a lot of code + duplication.) + + If the returned names are `None`, then no origin information is + available. + + This information is used by code working with transactions to + allow it to coordinate relativization. The transaction code + itself takes what it gets (i.e. does not change name + relativity). + + """ + raise NotImplementedError # pragma: no cover + + def get_class(self) -> dns.rdataclass.RdataClass: + """The class of the transaction manager.""" + raise NotImplementedError # pragma: no cover + + def from_wire_origin(self) -> Optional[dns.name.Name]: + """Origin to use in from_wire() calls.""" + (absolute_origin, relativize, _) = self.origin_information() + if relativize: + return absolute_origin + else: + return None + + +class DeleteNotExact(dns.exception.DNSException): + """Existing data did not match data specified by an exact delete.""" + + +class ReadOnly(dns.exception.DNSException): + """Tried to write to a read-only transaction.""" + + +class AlreadyEnded(dns.exception.DNSException): + """Tried to use an already-ended transaction.""" + + +def _ensure_immutable_rdataset(rdataset): + if rdataset is None or isinstance(rdataset, dns.rdataset.ImmutableRdataset): + return rdataset + return dns.rdataset.ImmutableRdataset(rdataset) + + +def _ensure_immutable_node(node): + if node is None or node.is_immutable(): + return node + return dns.node.ImmutableNode(node) + + +CheckPutRdatasetType = Callable[ + ["Transaction", dns.name.Name, dns.rdataset.Rdataset], None +] +CheckDeleteRdatasetType = Callable[ + ["Transaction", dns.name.Name, dns.rdatatype.RdataType, dns.rdatatype.RdataType], + None, +] +CheckDeleteNameType = Callable[["Transaction", dns.name.Name], None] + + +class Transaction: + def __init__( + self, + manager: TransactionManager, + replacement: bool = False, + read_only: bool = False, + ): + self.manager = manager + self.replacement = replacement + self.read_only = read_only + self._ended = False + self._check_put_rdataset: List[CheckPutRdatasetType] = [] + self._check_delete_rdataset: List[CheckDeleteRdatasetType] = [] + self._check_delete_name: List[CheckDeleteNameType] = [] + + # + # This is the high level API + # + # Note that we currently use non-immutable types in the return type signature to + # avoid covariance problems, e.g. if the caller has a List[Rdataset], mypy will be + # unhappy if we return an ImmutableRdataset. + + def get( + self, + name: Optional[Union[dns.name.Name, str]], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + ) -> dns.rdataset.Rdataset: + """Return the rdataset associated with *name*, *rdtype*, and *covers*, + or `None` if not found. + + Note that the returned rdataset is immutable. + """ + self._check_ended() + if isinstance(name, str): + name = dns.name.from_text(name, None) + rdtype = dns.rdatatype.RdataType.make(rdtype) + covers = dns.rdatatype.RdataType.make(covers) + rdataset = self._get_rdataset(name, rdtype, covers) + return _ensure_immutable_rdataset(rdataset) + + def get_node(self, name: dns.name.Name) -> Optional[dns.node.Node]: + """Return the node at *name*, if any. + + Returns an immutable node or ``None``. + """ + return _ensure_immutable_node(self._get_node(name)) + + def _check_read_only(self) -> None: + if self.read_only: + raise ReadOnly + + def add(self, *args: Any) -> None: + """Add records. + + The arguments may be: + + - rrset + + - name, rdataset... + + - name, ttl, rdata... + """ + self._check_ended() + self._check_read_only() + self._add(False, args) + + def replace(self, *args: Any) -> None: + """Replace the existing rdataset at the name with the specified + rdataset, or add the specified rdataset if there was no existing + rdataset. + + The arguments may be: + + - rrset + + - name, rdataset... + + - name, ttl, rdata... + + Note that if you want to replace the entire node, you should do + a delete of the name followed by one or more calls to add() or + replace(). + """ + self._check_ended() + self._check_read_only() + self._add(True, args) + + def delete(self, *args: Any) -> None: + """Delete records. + + It is not an error if some of the records are not in the existing + set. + + The arguments may be: + + - rrset + + - name + + - name, rdatatype, [covers] + + - name, rdataset... + + - name, rdata... + """ + self._check_ended() + self._check_read_only() + self._delete(False, args) + + def delete_exact(self, *args: Any) -> None: + """Delete records. + + The arguments may be: + + - rrset + + - name + + - name, rdatatype, [covers] + + - name, rdataset... + + - name, rdata... + + Raises dns.transaction.DeleteNotExact if some of the records + are not in the existing set. + + """ + self._check_ended() + self._check_read_only() + self._delete(True, args) + + def name_exists(self, name: Union[dns.name.Name, str]) -> bool: + """Does the specified name exist?""" + self._check_ended() + if isinstance(name, str): + name = dns.name.from_text(name, None) + return self._name_exists(name) + + def update_serial( + self, + value: int = 1, + relative: bool = True, + name: dns.name.Name = dns.name.empty, + ) -> None: + """Update the serial number. + + *value*, an `int`, is an increment if *relative* is `True`, or the + actual value to set if *relative* is `False`. + + Raises `KeyError` if there is no SOA rdataset at *name*. + + Raises `ValueError` if *value* is negative or if the increment is + so large that it would cause the new serial to be less than the + prior value. + """ + self._check_ended() + if value < 0: + raise ValueError("negative update_serial() value") + if isinstance(name, str): + name = dns.name.from_text(name, None) + rdataset = self._get_rdataset(name, dns.rdatatype.SOA, dns.rdatatype.NONE) + if rdataset is None or len(rdataset) == 0: + raise KeyError + if relative: + serial = dns.serial.Serial(rdataset[0].serial) + value + else: + serial = dns.serial.Serial(value) + serial = serial.value # convert back to int + if serial == 0: + serial = 1 + rdata = rdataset[0].replace(serial=serial) + new_rdataset = dns.rdataset.from_rdata(rdataset.ttl, rdata) + self.replace(name, new_rdataset) + + def __iter__(self): + self._check_ended() + return self._iterate_rdatasets() + + def changed(self) -> bool: + """Has this transaction changed anything? + + For read-only transactions, the result is always `False`. + + For writable transactions, the result is `True` if at some time + during the life of the transaction, the content was changed. + """ + self._check_ended() + return self._changed() + + def commit(self) -> None: + """Commit the transaction. + + Normally transactions are used as context managers and commit + or rollback automatically, but it may be done explicitly if needed. + A ``dns.transaction.Ended`` exception will be raised if you try + to use a transaction after it has been committed or rolled back. + + Raises an exception if the commit fails (in which case the transaction + is also rolled back. + """ + self._end(True) + + def rollback(self) -> None: + """Rollback the transaction. + + Normally transactions are used as context managers and commit + or rollback automatically, but it may be done explicitly if needed. + A ``dns.transaction.AlreadyEnded`` exception will be raised if you try + to use a transaction after it has been committed or rolled back. + + Rollback cannot otherwise fail. + """ + self._end(False) + + def check_put_rdataset(self, check: CheckPutRdatasetType) -> None: + """Call *check* before putting (storing) an rdataset. + + The function is called with the transaction, the name, and the rdataset. + + The check function may safely make non-mutating transaction method + calls, but behavior is undefined if mutating transaction methods are + called. The check function should raise an exception if it objects to + the put, and otherwise should return ``None``. + """ + self._check_put_rdataset.append(check) + + def check_delete_rdataset(self, check: CheckDeleteRdatasetType) -> None: + """Call *check* before deleting an rdataset. + + The function is called with the transaction, the name, the rdatatype, + and the covered rdatatype. + + The check function may safely make non-mutating transaction method + calls, but behavior is undefined if mutating transaction methods are + called. The check function should raise an exception if it objects to + the put, and otherwise should return ``None``. + """ + self._check_delete_rdataset.append(check) + + def check_delete_name(self, check: CheckDeleteNameType) -> None: + """Call *check* before putting (storing) an rdataset. + + The function is called with the transaction and the name. + + The check function may safely make non-mutating transaction method + calls, but behavior is undefined if mutating transaction methods are + called. The check function should raise an exception if it objects to + the put, and otherwise should return ``None``. + """ + self._check_delete_name.append(check) + + def iterate_rdatasets( + self, + ) -> Iterator[Tuple[dns.name.Name, dns.rdataset.Rdataset]]: + """Iterate all the rdatasets in the transaction, returning + (`dns.name.Name`, `dns.rdataset.Rdataset`) tuples. + + Note that as is usual with python iterators, adding or removing items + while iterating will invalidate the iterator and may raise `RuntimeError` + or fail to iterate over all entries.""" + self._check_ended() + return self._iterate_rdatasets() + + def iterate_names(self) -> Iterator[dns.name.Name]: + """Iterate all the names in the transaction. + + Note that as is usual with python iterators, adding or removing names + while iterating will invalidate the iterator and may raise `RuntimeError` + or fail to iterate over all entries.""" + self._check_ended() + return self._iterate_names() + + # + # Helper methods + # + + def _raise_if_not_empty(self, method, args): + if len(args) != 0: + raise TypeError(f"extra parameters to {method}") + + def _rdataset_from_args(self, method, deleting, args): + try: + arg = args.popleft() + if isinstance(arg, dns.rrset.RRset): + rdataset = arg.to_rdataset() + elif isinstance(arg, dns.rdataset.Rdataset): + rdataset = arg + else: + if deleting: + ttl = 0 + else: + if isinstance(arg, int): + ttl = arg + if ttl > dns.ttl.MAX_TTL: + raise ValueError(f"{method}: TTL value too big") + else: + raise TypeError(f"{method}: expected a TTL") + arg = args.popleft() + if isinstance(arg, dns.rdata.Rdata): + rdataset = dns.rdataset.from_rdata(ttl, arg) + else: + raise TypeError(f"{method}: expected an Rdata") + return rdataset + except IndexError: + if deleting: + return None + else: + # reraise + raise TypeError(f"{method}: expected more arguments") + + def _add(self, replace, args): + try: + args = collections.deque(args) + if replace: + method = "replace()" + else: + method = "add()" + arg = args.popleft() + if isinstance(arg, str): + arg = dns.name.from_text(arg, None) + if isinstance(arg, dns.name.Name): + name = arg + rdataset = self._rdataset_from_args(method, False, args) + elif isinstance(arg, dns.rrset.RRset): + rrset = arg + name = rrset.name + # rrsets are also rdatasets, but they don't print the + # same and can't be stored in nodes, so convert. + rdataset = rrset.to_rdataset() + else: + raise TypeError( + f"{method} requires a name or RRset as the first argument" + ) + if rdataset.rdclass != self.manager.get_class(): + raise ValueError(f"{method} has objects of wrong RdataClass") + if rdataset.rdtype == dns.rdatatype.SOA: + (_, _, origin) = self._origin_information() + if name != origin: + raise ValueError(f"{method} has non-origin SOA") + self._raise_if_not_empty(method, args) + if not replace: + existing = self._get_rdataset(name, rdataset.rdtype, rdataset.covers) + if existing is not None: + if isinstance(existing, dns.rdataset.ImmutableRdataset): + trds = dns.rdataset.Rdataset( + existing.rdclass, existing.rdtype, existing.covers + ) + trds.update(existing) + existing = trds + rdataset = existing.union(rdataset) + self._checked_put_rdataset(name, rdataset) + except IndexError: + raise TypeError(f"not enough parameters to {method}") + + def _delete(self, exact, args): + try: + args = collections.deque(args) + if exact: + method = "delete_exact()" + else: + method = "delete()" + arg = args.popleft() + if isinstance(arg, str): + arg = dns.name.from_text(arg, None) + if isinstance(arg, dns.name.Name): + name = arg + if len(args) > 0 and ( + isinstance(args[0], int) or isinstance(args[0], str) + ): + # deleting by type and (optionally) covers + rdtype = dns.rdatatype.RdataType.make(args.popleft()) + if len(args) > 0: + covers = dns.rdatatype.RdataType.make(args.popleft()) + else: + covers = dns.rdatatype.NONE + self._raise_if_not_empty(method, args) + existing = self._get_rdataset(name, rdtype, covers) + if existing is None: + if exact: + raise DeleteNotExact(f"{method}: missing rdataset") + else: + self._delete_rdataset(name, rdtype, covers) + return + else: + rdataset = self._rdataset_from_args(method, True, args) + elif isinstance(arg, dns.rrset.RRset): + rdataset = arg # rrsets are also rdatasets + name = rdataset.name + else: + raise TypeError( + f"{method} requires a name or RRset as the first argument" + ) + self._raise_if_not_empty(method, args) + if rdataset: + if rdataset.rdclass != self.manager.get_class(): + raise ValueError(f"{method} has objects of wrong RdataClass") + existing = self._get_rdataset(name, rdataset.rdtype, rdataset.covers) + if existing is not None: + if exact: + intersection = existing.intersection(rdataset) + if intersection != rdataset: + raise DeleteNotExact(f"{method}: missing rdatas") + rdataset = existing.difference(rdataset) + if len(rdataset) == 0: + self._checked_delete_rdataset( + name, rdataset.rdtype, rdataset.covers + ) + else: + self._checked_put_rdataset(name, rdataset) + elif exact: + raise DeleteNotExact(f"{method}: missing rdataset") + else: + if exact and not self._name_exists(name): + raise DeleteNotExact(f"{method}: name not known") + self._checked_delete_name(name) + except IndexError: + raise TypeError(f"not enough parameters to {method}") + + def _check_ended(self): + if self._ended: + raise AlreadyEnded + + def _end(self, commit): + self._check_ended() + if self._ended: + raise AlreadyEnded + try: + self._end_transaction(commit) + finally: + self._ended = True + + def _checked_put_rdataset(self, name, rdataset): + for check in self._check_put_rdataset: + check(self, name, rdataset) + self._put_rdataset(name, rdataset) + + def _checked_delete_rdataset(self, name, rdtype, covers): + for check in self._check_delete_rdataset: + check(self, name, rdtype, covers) + self._delete_rdataset(name, rdtype, covers) + + def _checked_delete_name(self, name): + for check in self._check_delete_name: + check(self, name) + self._delete_name(name) + + # + # Transactions are context managers. + # + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + if not self._ended: + if exc_type is None: + self.commit() + else: + self.rollback() + return False + + # + # This is the low level API, which must be implemented by subclasses + # of Transaction. + # + + def _get_rdataset(self, name, rdtype, covers): + """Return the rdataset associated with *name*, *rdtype*, and *covers*, + or `None` if not found. + """ + raise NotImplementedError # pragma: no cover + + def _put_rdataset(self, name, rdataset): + """Store the rdataset.""" + raise NotImplementedError # pragma: no cover + + def _delete_name(self, name): + """Delete all data associated with *name*. + + It is not an error if the name does not exist. + """ + raise NotImplementedError # pragma: no cover + + def _delete_rdataset(self, name, rdtype, covers): + """Delete all data associated with *name*, *rdtype*, and *covers*. + + It is not an error if the rdataset does not exist. + """ + raise NotImplementedError # pragma: no cover + + def _name_exists(self, name): + """Does name exist? + + Returns a bool. + """ + raise NotImplementedError # pragma: no cover + + def _changed(self): + """Has this transaction changed anything?""" + raise NotImplementedError # pragma: no cover + + def _end_transaction(self, commit): + """End the transaction. + + *commit*, a bool. If ``True``, commit the transaction, otherwise + roll it back. + + If committing and the commit fails, then roll back and raise an + exception. + """ + raise NotImplementedError # pragma: no cover + + def _set_origin(self, origin): + """Set the origin. + + This method is called when reading a possibly relativized + source, and an origin setting operation occurs (e.g. $ORIGIN + in a zone file). + """ + raise NotImplementedError # pragma: no cover + + def _iterate_rdatasets(self): + """Return an iterator that yields (name, rdataset) tuples.""" + raise NotImplementedError # pragma: no cover + + def _iterate_names(self): + """Return an iterator that yields a name.""" + raise NotImplementedError # pragma: no cover + + def _get_node(self, name): + """Return the node at *name*, if any. + + Returns a node or ``None``. + """ + raise NotImplementedError # pragma: no cover + + # + # Low-level API with a default implementation, in case a subclass needs + # to override. + # + + def _origin_information(self): + # This is only used by _add() + return self.manager.origin_information() diff --git a/venv/lib/python3.12/site-packages/dns/tsig.py b/venv/lib/python3.12/site-packages/dns/tsig.py new file mode 100644 index 0000000..780852e --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/tsig.py @@ -0,0 +1,352 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS TSIG support.""" + +import base64 +import hashlib +import hmac +import struct + +import dns.exception +import dns.name +import dns.rcode +import dns.rdataclass + + +class BadTime(dns.exception.DNSException): + """The current time is not within the TSIG's validity time.""" + + +class BadSignature(dns.exception.DNSException): + """The TSIG signature fails to verify.""" + + +class BadKey(dns.exception.DNSException): + """The TSIG record owner name does not match the key.""" + + +class BadAlgorithm(dns.exception.DNSException): + """The TSIG algorithm does not match the key.""" + + +class PeerError(dns.exception.DNSException): + """Base class for all TSIG errors generated by the remote peer""" + + +class PeerBadKey(PeerError): + """The peer didn't know the key we used""" + + +class PeerBadSignature(PeerError): + """The peer didn't like the signature we sent""" + + +class PeerBadTime(PeerError): + """The peer didn't like the time we sent""" + + +class PeerBadTruncation(PeerError): + """The peer didn't like amount of truncation in the TSIG we sent""" + + +# TSIG Algorithms + +HMAC_MD5 = dns.name.from_text("HMAC-MD5.SIG-ALG.REG.INT") +HMAC_SHA1 = dns.name.from_text("hmac-sha1") +HMAC_SHA224 = dns.name.from_text("hmac-sha224") +HMAC_SHA256 = dns.name.from_text("hmac-sha256") +HMAC_SHA256_128 = dns.name.from_text("hmac-sha256-128") +HMAC_SHA384 = dns.name.from_text("hmac-sha384") +HMAC_SHA384_192 = dns.name.from_text("hmac-sha384-192") +HMAC_SHA512 = dns.name.from_text("hmac-sha512") +HMAC_SHA512_256 = dns.name.from_text("hmac-sha512-256") +GSS_TSIG = dns.name.from_text("gss-tsig") + +default_algorithm = HMAC_SHA256 + +mac_sizes = { + HMAC_SHA1: 20, + HMAC_SHA224: 28, + HMAC_SHA256: 32, + HMAC_SHA256_128: 16, + HMAC_SHA384: 48, + HMAC_SHA384_192: 24, + HMAC_SHA512: 64, + HMAC_SHA512_256: 32, + HMAC_MD5: 16, + GSS_TSIG: 128, # This is what we assume to be the worst case! +} + + +class GSSTSig: + """ + GSS-TSIG TSIG implementation. This uses the GSS-API context established + in the TKEY message handshake to sign messages using GSS-API message + integrity codes, per the RFC. + + In order to avoid a direct GSSAPI dependency, the keyring holds a ref + to the GSSAPI object required, rather than the key itself. + """ + + def __init__(self, gssapi_context): + self.gssapi_context = gssapi_context + self.data = b"" + self.name = "gss-tsig" + + def update(self, data): + self.data += data + + def sign(self): + # defer to the GSSAPI function to sign + return self.gssapi_context.get_signature(self.data) + + def verify(self, expected): + try: + # defer to the GSSAPI function to verify + return self.gssapi_context.verify_signature(self.data, expected) + except Exception: + # note the usage of a bare exception + raise BadSignature + + +class GSSTSigAdapter: + def __init__(self, keyring): + self.keyring = keyring + + def __call__(self, message, keyname): + if keyname in self.keyring: + key = self.keyring[keyname] + if isinstance(key, Key) and key.algorithm == GSS_TSIG: + if message: + GSSTSigAdapter.parse_tkey_and_step(key, message, keyname) + return key + else: + return None + + @classmethod + def parse_tkey_and_step(cls, key, message, keyname): + # if the message is a TKEY type, absorb the key material + # into the context using step(); this is used to allow the + # client to complete the GSSAPI negotiation before attempting + # to verify the signed response to a TKEY message exchange + try: + rrset = message.find_rrset( + message.answer, keyname, dns.rdataclass.ANY, dns.rdatatype.TKEY + ) + if rrset: + token = rrset[0].key + gssapi_context = key.secret + return gssapi_context.step(token) + except KeyError: + pass + + +class HMACTSig: + """ + HMAC TSIG implementation. This uses the HMAC python module to handle the + sign/verify operations. + """ + + _hashes = { + HMAC_SHA1: hashlib.sha1, + HMAC_SHA224: hashlib.sha224, + HMAC_SHA256: hashlib.sha256, + HMAC_SHA256_128: (hashlib.sha256, 128), + HMAC_SHA384: hashlib.sha384, + HMAC_SHA384_192: (hashlib.sha384, 192), + HMAC_SHA512: hashlib.sha512, + HMAC_SHA512_256: (hashlib.sha512, 256), + HMAC_MD5: hashlib.md5, + } + + def __init__(self, key, algorithm): + try: + hashinfo = self._hashes[algorithm] + except KeyError: + raise NotImplementedError(f"TSIG algorithm {algorithm} is not supported") + + # create the HMAC context + if isinstance(hashinfo, tuple): + self.hmac_context = hmac.new(key, digestmod=hashinfo[0]) + self.size = hashinfo[1] + else: + self.hmac_context = hmac.new(key, digestmod=hashinfo) + self.size = None + self.name = self.hmac_context.name + if self.size: + self.name += f"-{self.size}" + + def update(self, data): + return self.hmac_context.update(data) + + def sign(self): + # defer to the HMAC digest() function for that digestmod + digest = self.hmac_context.digest() + if self.size: + digest = digest[: (self.size // 8)] + return digest + + def verify(self, expected): + # re-digest and compare the results + mac = self.sign() + if not hmac.compare_digest(mac, expected): + raise BadSignature + + +def _digest(wire, key, rdata, time=None, request_mac=None, ctx=None, multi=None): + """Return a context containing the TSIG rdata for the input parameters + @rtype: dns.tsig.HMACTSig or dns.tsig.GSSTSig object + @raises ValueError: I{other_data} is too long + @raises NotImplementedError: I{algorithm} is not supported + """ + + first = not (ctx and multi) + if first: + ctx = get_context(key) + if request_mac: + ctx.update(struct.pack("!H", len(request_mac))) + ctx.update(request_mac) + ctx.update(struct.pack("!H", rdata.original_id)) + ctx.update(wire[2:]) + if first: + ctx.update(key.name.to_digestable()) + ctx.update(struct.pack("!H", dns.rdataclass.ANY)) + ctx.update(struct.pack("!I", 0)) + if time is None: + time = rdata.time_signed + upper_time = (time >> 32) & 0xFFFF + lower_time = time & 0xFFFFFFFF + time_encoded = struct.pack("!HIH", upper_time, lower_time, rdata.fudge) + other_len = len(rdata.other) + if other_len > 65535: + raise ValueError("TSIG Other Data is > 65535 bytes") + if first: + ctx.update(key.algorithm.to_digestable() + time_encoded) + ctx.update(struct.pack("!HH", rdata.error, other_len) + rdata.other) + else: + ctx.update(time_encoded) + return ctx + + +def _maybe_start_digest(key, mac, multi): + """If this is the first message in a multi-message sequence, + start a new context. + @rtype: dns.tsig.HMACTSig or dns.tsig.GSSTSig object + """ + if multi: + ctx = get_context(key) + ctx.update(struct.pack("!H", len(mac))) + ctx.update(mac) + return ctx + else: + return None + + +def sign(wire, key, rdata, time=None, request_mac=None, ctx=None, multi=False): + """Return a (tsig_rdata, mac, ctx) tuple containing the HMAC TSIG rdata + for the input parameters, the HMAC MAC calculated by applying the + TSIG signature algorithm, and the TSIG digest context. + @rtype: (string, dns.tsig.HMACTSig or dns.tsig.GSSTSig object) + @raises ValueError: I{other_data} is too long + @raises NotImplementedError: I{algorithm} is not supported + """ + + ctx = _digest(wire, key, rdata, time, request_mac, ctx, multi) + mac = ctx.sign() + tsig = rdata.replace(time_signed=time, mac=mac) + + return (tsig, _maybe_start_digest(key, mac, multi)) + + +def validate( + wire, key, owner, rdata, now, request_mac, tsig_start, ctx=None, multi=False +): + """Validate the specified TSIG rdata against the other input parameters. + + @raises FormError: The TSIG is badly formed. + @raises BadTime: There is too much time skew between the client and the + server. + @raises BadSignature: The TSIG signature did not validate + @rtype: dns.tsig.HMACTSig or dns.tsig.GSSTSig object""" + + (adcount,) = struct.unpack("!H", wire[10:12]) + if adcount == 0: + raise dns.exception.FormError + adcount -= 1 + new_wire = wire[0:10] + struct.pack("!H", adcount) + wire[12:tsig_start] + if rdata.error != 0: + if rdata.error == dns.rcode.BADSIG: + raise PeerBadSignature + elif rdata.error == dns.rcode.BADKEY: + raise PeerBadKey + elif rdata.error == dns.rcode.BADTIME: + raise PeerBadTime + elif rdata.error == dns.rcode.BADTRUNC: + raise PeerBadTruncation + else: + raise PeerError("unknown TSIG error code %d" % rdata.error) + if abs(rdata.time_signed - now) > rdata.fudge: + raise BadTime + if key.name != owner: + raise BadKey + if key.algorithm != rdata.algorithm: + raise BadAlgorithm + ctx = _digest(new_wire, key, rdata, None, request_mac, ctx, multi) + ctx.verify(rdata.mac) + return _maybe_start_digest(key, rdata.mac, multi) + + +def get_context(key): + """Returns an HMAC context for the specified key. + + @rtype: HMAC context + @raises NotImplementedError: I{algorithm} is not supported + """ + + if key.algorithm == GSS_TSIG: + return GSSTSig(key.secret) + else: + return HMACTSig(key.secret, key.algorithm) + + +class Key: + def __init__(self, name, secret, algorithm=default_algorithm): + if isinstance(name, str): + name = dns.name.from_text(name) + self.name = name + if isinstance(secret, str): + secret = base64.decodebytes(secret.encode()) + self.secret = secret + if isinstance(algorithm, str): + algorithm = dns.name.from_text(algorithm) + self.algorithm = algorithm + + def __eq__(self, other): + return ( + isinstance(other, Key) + and self.name == other.name + and self.secret == other.secret + and self.algorithm == other.algorithm + ) + + def __repr__(self): + r = f" Dict[dns.name.Name, dns.tsig.Key]: + """Convert a dictionary containing (textual DNS name, base64 secret) + pairs into a binary keyring which has (dns.name.Name, bytes) pairs, or + a dictionary containing (textual DNS name, (algorithm, base64 secret)) + pairs into a binary keyring which has (dns.name.Name, dns.tsig.Key) pairs. + @rtype: dict""" + + keyring = {} + for name, value in textring.items(): + kname = dns.name.from_text(name) + if isinstance(value, str): + keyring[kname] = dns.tsig.Key(kname, value).secret + else: + (algorithm, secret) = value + keyring[kname] = dns.tsig.Key(kname, secret, algorithm) + return keyring + + +def to_text(keyring: Dict[dns.name.Name, Any]) -> Dict[str, Any]: + """Convert a dictionary containing (dns.name.Name, dns.tsig.Key) pairs + into a text keyring which has (textual DNS name, (textual algorithm, + base64 secret)) pairs, or a dictionary containing (dns.name.Name, bytes) + pairs into a text keyring which has (textual DNS name, base64 secret) pairs. + @rtype: dict""" + + textring = {} + + def b64encode(secret): + return base64.encodebytes(secret).decode().rstrip() + + for name, key in keyring.items(): + tname = name.to_text() + if isinstance(key, bytes): + textring[tname] = b64encode(key) + else: + if isinstance(key.secret, bytes): + text_secret = b64encode(key.secret) + else: + text_secret = str(key.secret) + + textring[tname] = (key.algorithm.to_text(), text_secret) + return textring diff --git a/venv/lib/python3.12/site-packages/dns/ttl.py b/venv/lib/python3.12/site-packages/dns/ttl.py new file mode 100644 index 0000000..264b033 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/ttl.py @@ -0,0 +1,92 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS TTL conversion.""" + +from typing import Union + +import dns.exception + +# Technically TTLs are supposed to be between 0 and 2**31 - 1, with values +# greater than that interpreted as 0, but we do not impose this policy here +# as values > 2**31 - 1 occur in real world data. +# +# We leave it to applications to impose tighter bounds if desired. +MAX_TTL = 2**32 - 1 + + +class BadTTL(dns.exception.SyntaxError): + """DNS TTL value is not well-formed.""" + + +def from_text(text: str) -> int: + """Convert the text form of a TTL to an integer. + + The BIND 8 units syntax for TTLs (e.g. '1w6d4h3m10s') is supported. + + *text*, a ``str``, the textual TTL. + + Raises ``dns.ttl.BadTTL`` if the TTL is not well-formed. + + Returns an ``int``. + """ + + if text.isdigit(): + total = int(text) + elif len(text) == 0: + raise BadTTL + else: + total = 0 + current = 0 + need_digit = True + for c in text: + if c.isdigit(): + current *= 10 + current += int(c) + need_digit = False + else: + if need_digit: + raise BadTTL + c = c.lower() + if c == "w": + total += current * 604800 + elif c == "d": + total += current * 86400 + elif c == "h": + total += current * 3600 + elif c == "m": + total += current * 60 + elif c == "s": + total += current + else: + raise BadTTL("unknown unit '%s'" % c) + current = 0 + need_digit = True + if not current == 0: + raise BadTTL("trailing integer") + if total < 0 or total > MAX_TTL: + raise BadTTL("TTL should be between 0 and 2**32 - 1 (inclusive)") + return total + + +def make(value: Union[int, str]) -> int: + if isinstance(value, int): + return value + elif isinstance(value, str): + return dns.ttl.from_text(value) + else: + raise ValueError("cannot convert value to TTL") diff --git a/venv/lib/python3.12/site-packages/dns/update.py b/venv/lib/python3.12/site-packages/dns/update.py new file mode 100644 index 0000000..bf1157a --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/update.py @@ -0,0 +1,386 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Dynamic Update Support""" + +from typing import Any, List, Optional, Union + +import dns.message +import dns.name +import dns.opcode +import dns.rdata +import dns.rdataclass +import dns.rdataset +import dns.rdatatype +import dns.tsig + + +class UpdateSection(dns.enum.IntEnum): + """Update sections""" + + ZONE = 0 + PREREQ = 1 + UPDATE = 2 + ADDITIONAL = 3 + + @classmethod + def _maximum(cls): + return 3 + + +class UpdateMessage(dns.message.Message): # lgtm[py/missing-equals] + # ignore the mypy error here as we mean to use a different enum + _section_enum = UpdateSection # type: ignore + + def __init__( + self, + zone: Optional[Union[dns.name.Name, str]] = None, + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + keyring: Optional[Any] = None, + keyname: Optional[dns.name.Name] = None, + keyalgorithm: Union[dns.name.Name, str] = dns.tsig.default_algorithm, + id: Optional[int] = None, + ): + """Initialize a new DNS Update object. + + See the documentation of the Message class for a complete + description of the keyring dictionary. + + *zone*, a ``dns.name.Name``, ``str``, or ``None``, the zone + which is being updated. ``None`` should only be used by dnspython's + message constructors, as a zone is required for the convenience + methods like ``add()``, ``replace()``, etc. + + *rdclass*, an ``int`` or ``str``, the class of the zone. + + The *keyring*, *keyname*, and *keyalgorithm* parameters are passed to + ``use_tsig()``; see its documentation for details. + """ + super().__init__(id=id) + self.flags |= dns.opcode.to_flags(dns.opcode.UPDATE) + if isinstance(zone, str): + zone = dns.name.from_text(zone) + self.origin = zone + rdclass = dns.rdataclass.RdataClass.make(rdclass) + self.zone_rdclass = rdclass + if self.origin: + self.find_rrset( + self.zone, + self.origin, + rdclass, + dns.rdatatype.SOA, + create=True, + force_unique=True, + ) + if keyring is not None: + self.use_tsig(keyring, keyname, algorithm=keyalgorithm) + + @property + def zone(self) -> List[dns.rrset.RRset]: + """The zone section.""" + return self.sections[0] + + @zone.setter + def zone(self, v): + self.sections[0] = v + + @property + def prerequisite(self) -> List[dns.rrset.RRset]: + """The prerequisite section.""" + return self.sections[1] + + @prerequisite.setter + def prerequisite(self, v): + self.sections[1] = v + + @property + def update(self) -> List[dns.rrset.RRset]: + """The update section.""" + return self.sections[2] + + @update.setter + def update(self, v): + self.sections[2] = v + + def _add_rr(self, name, ttl, rd, deleting=None, section=None): + """Add a single RR to the update section.""" + + if section is None: + section = self.update + covers = rd.covers() + rrset = self.find_rrset( + section, name, self.zone_rdclass, rd.rdtype, covers, deleting, True, True + ) + rrset.add(rd, ttl) + + def _add(self, replace, section, name, *args): + """Add records. + + *replace* is the replacement mode. If ``False``, + RRs are added to an existing RRset; if ``True``, the RRset + is replaced with the specified contents. The second + argument is the section to add to. The third argument + is always a name. The other arguments can be: + + - rdataset... + + - ttl, rdata... + + - ttl, rdtype, string... + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if isinstance(args[0], dns.rdataset.Rdataset): + for rds in args: + if replace: + self.delete(name, rds.rdtype) + for rd in rds: + self._add_rr(name, rds.ttl, rd, section=section) + else: + args = list(args) + ttl = int(args.pop(0)) + if isinstance(args[0], dns.rdata.Rdata): + if replace: + self.delete(name, args[0].rdtype) + for rd in args: + self._add_rr(name, ttl, rd, section=section) + else: + rdtype = dns.rdatatype.RdataType.make(args.pop(0)) + if replace: + self.delete(name, rdtype) + for s in args: + rd = dns.rdata.from_text(self.zone_rdclass, rdtype, s, self.origin) + self._add_rr(name, ttl, rd, section=section) + + def add(self, name: Union[dns.name.Name, str], *args: Any) -> None: + """Add records. + + The first argument is always a name. The other + arguments can be: + + - rdataset... + + - ttl, rdata... + + - ttl, rdtype, string... + """ + + self._add(False, self.update, name, *args) + + def delete(self, name: Union[dns.name.Name, str], *args: Any) -> None: + """Delete records. + + The first argument is always a name. The other + arguments can be: + + - *empty* + + - rdataset... + + - rdata... + + - rdtype, [string...] + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if len(args) == 0: + self.find_rrset( + self.update, + name, + dns.rdataclass.ANY, + dns.rdatatype.ANY, + dns.rdatatype.NONE, + dns.rdataclass.ANY, + True, + True, + ) + elif isinstance(args[0], dns.rdataset.Rdataset): + for rds in args: + for rd in rds: + self._add_rr(name, 0, rd, dns.rdataclass.NONE) + else: + largs = list(args) + if isinstance(largs[0], dns.rdata.Rdata): + for rd in largs: + self._add_rr(name, 0, rd, dns.rdataclass.NONE) + else: + rdtype = dns.rdatatype.RdataType.make(largs.pop(0)) + if len(largs) == 0: + self.find_rrset( + self.update, + name, + self.zone_rdclass, + rdtype, + dns.rdatatype.NONE, + dns.rdataclass.ANY, + True, + True, + ) + else: + for s in largs: + rd = dns.rdata.from_text( + self.zone_rdclass, + rdtype, + s, # type: ignore[arg-type] + self.origin, + ) + self._add_rr(name, 0, rd, dns.rdataclass.NONE) + + def replace(self, name: Union[dns.name.Name, str], *args: Any) -> None: + """Replace records. + + The first argument is always a name. The other + arguments can be: + + - rdataset... + + - ttl, rdata... + + - ttl, rdtype, string... + + Note that if you want to replace the entire node, you should do + a delete of the name followed by one or more calls to add. + """ + + self._add(True, self.update, name, *args) + + def present(self, name: Union[dns.name.Name, str], *args: Any) -> None: + """Require that an owner name (and optionally an rdata type, + or specific rdataset) exists as a prerequisite to the + execution of the update. + + The first argument is always a name. + The other arguments can be: + + - rdataset... + + - rdata... + + - rdtype, string... + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if len(args) == 0: + self.find_rrset( + self.prerequisite, + name, + dns.rdataclass.ANY, + dns.rdatatype.ANY, + dns.rdatatype.NONE, + None, + True, + True, + ) + elif ( + isinstance(args[0], dns.rdataset.Rdataset) + or isinstance(args[0], dns.rdata.Rdata) + or len(args) > 1 + ): + if not isinstance(args[0], dns.rdataset.Rdataset): + # Add a 0 TTL + largs = list(args) + largs.insert(0, 0) # type: ignore[arg-type] + self._add(False, self.prerequisite, name, *largs) + else: + self._add(False, self.prerequisite, name, *args) + else: + rdtype = dns.rdatatype.RdataType.make(args[0]) + self.find_rrset( + self.prerequisite, + name, + dns.rdataclass.ANY, + rdtype, + dns.rdatatype.NONE, + None, + True, + True, + ) + + def absent( + self, + name: Union[dns.name.Name, str], + rdtype: Optional[Union[dns.rdatatype.RdataType, str]] = None, + ) -> None: + """Require that an owner name (and optionally an rdata type) does + not exist as a prerequisite to the execution of the update.""" + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if rdtype is None: + self.find_rrset( + self.prerequisite, + name, + dns.rdataclass.NONE, + dns.rdatatype.ANY, + dns.rdatatype.NONE, + None, + True, + True, + ) + else: + rdtype = dns.rdatatype.RdataType.make(rdtype) + self.find_rrset( + self.prerequisite, + name, + dns.rdataclass.NONE, + rdtype, + dns.rdatatype.NONE, + None, + True, + True, + ) + + def _get_one_rr_per_rrset(self, value): + # Updates are always one_rr_per_rrset + return True + + def _parse_rr_header(self, section, name, rdclass, rdtype): + deleting = None + empty = False + if section == UpdateSection.ZONE: + if ( + dns.rdataclass.is_metaclass(rdclass) + or rdtype != dns.rdatatype.SOA + or self.zone + ): + raise dns.exception.FormError + else: + if not self.zone: + raise dns.exception.FormError + if rdclass in (dns.rdataclass.ANY, dns.rdataclass.NONE): + deleting = rdclass + rdclass = self.zone[0].rdclass + empty = ( + deleting == dns.rdataclass.ANY or section == UpdateSection.PREREQ + ) + return (rdclass, rdtype, deleting, empty) + + +# backwards compatibility +Update = UpdateMessage + +### BEGIN generated UpdateSection constants + +ZONE = UpdateSection.ZONE +PREREQ = UpdateSection.PREREQ +UPDATE = UpdateSection.UPDATE +ADDITIONAL = UpdateSection.ADDITIONAL + +### END generated UpdateSection constants diff --git a/venv/lib/python3.12/site-packages/dns/version.py b/venv/lib/python3.12/site-packages/dns/version.py new file mode 100644 index 0000000..251f258 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/version.py @@ -0,0 +1,58 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""dnspython release version information.""" + +#: MAJOR +MAJOR = 2 +#: MINOR +MINOR = 6 +#: MICRO +MICRO = 1 +#: RELEASELEVEL +RELEASELEVEL = 0x0F +#: SERIAL +SERIAL = 0 + +if RELEASELEVEL == 0x0F: # pragma: no cover lgtm[py/unreachable-statement] + #: version + version = "%d.%d.%d" % (MAJOR, MINOR, MICRO) # lgtm[py/unreachable-statement] +elif RELEASELEVEL == 0x00: # pragma: no cover lgtm[py/unreachable-statement] + version = "%d.%d.%ddev%d" % ( + MAJOR, + MINOR, + MICRO, + SERIAL, + ) # lgtm[py/unreachable-statement] +elif RELEASELEVEL == 0x0C: # pragma: no cover lgtm[py/unreachable-statement] + version = "%d.%d.%drc%d" % ( + MAJOR, + MINOR, + MICRO, + SERIAL, + ) # lgtm[py/unreachable-statement] +else: # pragma: no cover lgtm[py/unreachable-statement] + version = "%d.%d.%d%x%d" % ( + MAJOR, + MINOR, + MICRO, + RELEASELEVEL, + SERIAL, + ) # lgtm[py/unreachable-statement] + +#: hexversion +hexversion = MAJOR << 24 | MINOR << 16 | MICRO << 8 | RELEASELEVEL << 4 | SERIAL diff --git a/venv/lib/python3.12/site-packages/dns/versioned.py b/venv/lib/python3.12/site-packages/dns/versioned.py new file mode 100644 index 0000000..fd78e67 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/versioned.py @@ -0,0 +1,318 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""DNS Versioned Zones.""" + +import collections +import threading +from typing import Callable, Deque, Optional, Set, Union + +import dns.exception +import dns.immutable +import dns.name +import dns.node +import dns.rdataclass +import dns.rdataset +import dns.rdatatype +import dns.rdtypes.ANY.SOA +import dns.zone + + +class UseTransaction(dns.exception.DNSException): + """To alter a versioned zone, use a transaction.""" + + +# Backwards compatibility +Node = dns.zone.VersionedNode +ImmutableNode = dns.zone.ImmutableVersionedNode +Version = dns.zone.Version +WritableVersion = dns.zone.WritableVersion +ImmutableVersion = dns.zone.ImmutableVersion +Transaction = dns.zone.Transaction + + +class Zone(dns.zone.Zone): # lgtm[py/missing-equals] + __slots__ = [ + "_versions", + "_versions_lock", + "_write_txn", + "_write_waiters", + "_write_event", + "_pruning_policy", + "_readers", + ] + + node_factory = Node + + def __init__( + self, + origin: Optional[Union[dns.name.Name, str]], + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + relativize: bool = True, + pruning_policy: Optional[Callable[["Zone", Version], Optional[bool]]] = None, + ): + """Initialize a versioned zone object. + + *origin* is the origin of the zone. It may be a ``dns.name.Name``, + a ``str``, or ``None``. If ``None``, then the zone's origin will + be set by the first ``$ORIGIN`` line in a zone file. + + *rdclass*, an ``int``, the zone's rdata class; the default is class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + + *pruning policy*, a function taking a ``Zone`` and a ``Version`` and returning + a ``bool``, or ``None``. Should the version be pruned? If ``None``, + the default policy, which retains one version is used. + """ + super().__init__(origin, rdclass, relativize) + self._versions: Deque[Version] = collections.deque() + self._version_lock = threading.Lock() + if pruning_policy is None: + self._pruning_policy = self._default_pruning_policy + else: + self._pruning_policy = pruning_policy + self._write_txn: Optional[Transaction] = None + self._write_event: Optional[threading.Event] = None + self._write_waiters: Deque[threading.Event] = collections.deque() + self._readers: Set[Transaction] = set() + self._commit_version_unlocked( + None, WritableVersion(self, replacement=True), origin + ) + + def reader( + self, id: Optional[int] = None, serial: Optional[int] = None + ) -> Transaction: # pylint: disable=arguments-differ + if id is not None and serial is not None: + raise ValueError("cannot specify both id and serial") + with self._version_lock: + if id is not None: + version = None + for v in reversed(self._versions): + if v.id == id: + version = v + break + if version is None: + raise KeyError("version not found") + elif serial is not None: + if self.relativize: + oname = dns.name.empty + else: + assert self.origin is not None + oname = self.origin + version = None + for v in reversed(self._versions): + n = v.nodes.get(oname) + if n: + rds = n.get_rdataset(self.rdclass, dns.rdatatype.SOA) + if rds and rds[0].serial == serial: + version = v + break + if version is None: + raise KeyError("serial not found") + else: + version = self._versions[-1] + txn = Transaction(self, False, version) + self._readers.add(txn) + return txn + + def writer(self, replacement: bool = False) -> Transaction: + event = None + while True: + with self._version_lock: + # Checking event == self._write_event ensures that either + # no one was waiting before we got lucky and found no write + # txn, or we were the one who was waiting and got woken up. + # This prevents "taking cuts" when creating a write txn. + if self._write_txn is None and event == self._write_event: + # Creating the transaction defers version setup + # (i.e. copying the nodes dictionary) until we + # give up the lock, so that we hold the lock as + # short a time as possible. This is why we call + # _setup_version() below. + self._write_txn = Transaction( + self, replacement, make_immutable=True + ) + # give up our exclusive right to make a Transaction + self._write_event = None + break + # Someone else is writing already, so we will have to + # wait, but we want to do the actual wait outside the + # lock. + event = threading.Event() + self._write_waiters.append(event) + # wait (note we gave up the lock!) + # + # We only wake one sleeper at a time, so it's important + # that no event waiter can exit this method (e.g. via + # cancellation) without returning a transaction or waking + # someone else up. + # + # This is not a problem with Threading module threads as + # they cannot be canceled, but could be an issue with trio + # tasks when we do the async version of writer(). + # I.e. we'd need to do something like: + # + # try: + # event.wait() + # except trio.Cancelled: + # with self._version_lock: + # self._maybe_wakeup_one_waiter_unlocked() + # raise + # + event.wait() + # Do the deferred version setup. + self._write_txn._setup_version() + return self._write_txn + + def _maybe_wakeup_one_waiter_unlocked(self): + if len(self._write_waiters) > 0: + self._write_event = self._write_waiters.popleft() + self._write_event.set() + + # pylint: disable=unused-argument + def _default_pruning_policy(self, zone, version): + return True + + # pylint: enable=unused-argument + + def _prune_versions_unlocked(self): + assert len(self._versions) > 0 + # Don't ever prune a version greater than or equal to one that + # a reader has open. This pins versions in memory while the + # reader is open, and importantly lets the reader open a txn on + # a successor version (e.g. if generating an IXFR). + # + # Note our definition of least_kept also ensures we do not try to + # delete the greatest version. + if len(self._readers) > 0: + least_kept = min(txn.version.id for txn in self._readers) + else: + least_kept = self._versions[-1].id + while self._versions[0].id < least_kept and self._pruning_policy( + self, self._versions[0] + ): + self._versions.popleft() + + def set_max_versions(self, max_versions: Optional[int]) -> None: + """Set a pruning policy that retains up to the specified number + of versions + """ + if max_versions is not None and max_versions < 1: + raise ValueError("max versions must be at least 1") + if max_versions is None: + + def policy(zone, _): # pylint: disable=unused-argument + return False + + else: + + def policy(zone, _): + return len(zone._versions) > max_versions + + self.set_pruning_policy(policy) + + def set_pruning_policy( + self, policy: Optional[Callable[["Zone", Version], Optional[bool]]] + ) -> None: + """Set the pruning policy for the zone. + + The *policy* function takes a `Version` and returns `True` if + the version should be pruned, and `False` otherwise. `None` + may also be specified for policy, in which case the default policy + is used. + + Pruning checking proceeds from the least version and the first + time the function returns `False`, the checking stops. I.e. the + retained versions are always a consecutive sequence. + """ + if policy is None: + policy = self._default_pruning_policy + with self._version_lock: + self._pruning_policy = policy + self._prune_versions_unlocked() + + def _end_read(self, txn): + with self._version_lock: + self._readers.remove(txn) + self._prune_versions_unlocked() + + def _end_write_unlocked(self, txn): + assert self._write_txn == txn + self._write_txn = None + self._maybe_wakeup_one_waiter_unlocked() + + def _end_write(self, txn): + with self._version_lock: + self._end_write_unlocked(txn) + + def _commit_version_unlocked(self, txn, version, origin): + self._versions.append(version) + self._prune_versions_unlocked() + self.nodes = version.nodes + if self.origin is None: + self.origin = origin + # txn can be None in __init__ when we make the empty version. + if txn is not None: + self._end_write_unlocked(txn) + + def _commit_version(self, txn, version, origin): + with self._version_lock: + self._commit_version_unlocked(txn, version, origin) + + def _get_next_version_id(self): + if len(self._versions) > 0: + id = self._versions[-1].id + 1 + else: + id = 1 + return id + + def find_node( + self, name: Union[dns.name.Name, str], create: bool = False + ) -> dns.node.Node: + if create: + raise UseTransaction + return super().find_node(name) + + def delete_node(self, name: Union[dns.name.Name, str]) -> None: + raise UseTransaction + + def find_rdataset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + create: bool = False, + ) -> dns.rdataset.Rdataset: + if create: + raise UseTransaction + rdataset = super().find_rdataset(name, rdtype, covers) + return dns.rdataset.ImmutableRdataset(rdataset) + + def get_rdataset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + create: bool = False, + ) -> Optional[dns.rdataset.Rdataset]: + if create: + raise UseTransaction + rdataset = super().get_rdataset(name, rdtype, covers) + if rdataset is not None: + return dns.rdataset.ImmutableRdataset(rdataset) + else: + return None + + def delete_rdataset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + ) -> None: + raise UseTransaction + + def replace_rdataset( + self, name: Union[dns.name.Name, str], replacement: dns.rdataset.Rdataset + ) -> None: + raise UseTransaction diff --git a/venv/lib/python3.12/site-packages/dns/win32util.py b/venv/lib/python3.12/site-packages/dns/win32util.py new file mode 100644 index 0000000..aaa7e93 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/win32util.py @@ -0,0 +1,252 @@ +import sys + +import dns._features + +if sys.platform == "win32": + from typing import Any + + import dns.name + + _prefer_wmi = True + + import winreg # pylint: disable=import-error + + # Keep pylint quiet on non-windows. + try: + WindowsError is None # pylint: disable=used-before-assignment + except KeyError: + WindowsError = Exception + + if dns._features.have("wmi"): + import threading + + import pythoncom # pylint: disable=import-error + import wmi # pylint: disable=import-error + + _have_wmi = True + else: + _have_wmi = False + + def _config_domain(domain): + # Sometimes DHCP servers add a '.' prefix to the default domain, and + # Windows just stores such values in the registry (see #687). + # Check for this and fix it. + if domain.startswith("."): + domain = domain[1:] + return dns.name.from_text(domain) + + class DnsInfo: + def __init__(self): + self.domain = None + self.nameservers = [] + self.search = [] + + if _have_wmi: + + class _WMIGetter(threading.Thread): + def __init__(self): + super().__init__() + self.info = DnsInfo() + + def run(self): + pythoncom.CoInitialize() + try: + system = wmi.WMI() + for interface in system.Win32_NetworkAdapterConfiguration(): + if interface.IPEnabled and interface.DNSServerSearchOrder: + self.info.nameservers = list(interface.DNSServerSearchOrder) + if interface.DNSDomain: + self.info.domain = _config_domain(interface.DNSDomain) + if interface.DNSDomainSuffixSearchOrder: + self.info.search = [ + _config_domain(x) + for x in interface.DNSDomainSuffixSearchOrder + ] + break + finally: + pythoncom.CoUninitialize() + + def get(self): + # We always run in a separate thread to avoid any issues with + # the COM threading model. + self.start() + self.join() + return self.info + + else: + + class _WMIGetter: # type: ignore + pass + + class _RegistryGetter: + def __init__(self): + self.info = DnsInfo() + + def _determine_split_char(self, entry): + # + # The windows registry irritatingly changes the list element + # delimiter in between ' ' and ',' (and vice-versa) in various + # versions of windows. + # + if entry.find(" ") >= 0: + split_char = " " + elif entry.find(",") >= 0: + split_char = "," + else: + # probably a singleton; treat as a space-separated list. + split_char = " " + return split_char + + def _config_nameservers(self, nameservers): + split_char = self._determine_split_char(nameservers) + ns_list = nameservers.split(split_char) + for ns in ns_list: + if ns not in self.info.nameservers: + self.info.nameservers.append(ns) + + def _config_search(self, search): + split_char = self._determine_split_char(search) + search_list = search.split(split_char) + for s in search_list: + s = _config_domain(s) + if s not in self.info.search: + self.info.search.append(s) + + def _config_fromkey(self, key, always_try_domain): + try: + servers, _ = winreg.QueryValueEx(key, "NameServer") + except WindowsError: + servers = None + if servers: + self._config_nameservers(servers) + if servers or always_try_domain: + try: + dom, _ = winreg.QueryValueEx(key, "Domain") + if dom: + self.info.domain = _config_domain(dom) + except WindowsError: + pass + else: + try: + servers, _ = winreg.QueryValueEx(key, "DhcpNameServer") + except WindowsError: + servers = None + if servers: + self._config_nameservers(servers) + try: + dom, _ = winreg.QueryValueEx(key, "DhcpDomain") + if dom: + self.info.domain = _config_domain(dom) + except WindowsError: + pass + try: + search, _ = winreg.QueryValueEx(key, "SearchList") + except WindowsError: + search = None + if search is None: + try: + search, _ = winreg.QueryValueEx(key, "DhcpSearchList") + except WindowsError: + search = None + if search: + self._config_search(search) + + def _is_nic_enabled(self, lm, guid): + # Look in the Windows Registry to determine whether the network + # interface corresponding to the given guid is enabled. + # + # (Code contributed by Paul Marks, thanks!) + # + try: + # This hard-coded location seems to be consistent, at least + # from Windows 2000 through Vista. + connection_key = winreg.OpenKey( + lm, + r"SYSTEM\CurrentControlSet\Control\Network" + r"\{4D36E972-E325-11CE-BFC1-08002BE10318}" + r"\%s\Connection" % guid, + ) + + try: + # The PnpInstanceID points to a key inside Enum + (pnp_id, ttype) = winreg.QueryValueEx( + connection_key, "PnpInstanceID" + ) + + if ttype != winreg.REG_SZ: + raise ValueError # pragma: no cover + + device_key = winreg.OpenKey( + lm, r"SYSTEM\CurrentControlSet\Enum\%s" % pnp_id + ) + + try: + # Get ConfigFlags for this device + (flags, ttype) = winreg.QueryValueEx(device_key, "ConfigFlags") + + if ttype != winreg.REG_DWORD: + raise ValueError # pragma: no cover + + # Based on experimentation, bit 0x1 indicates that the + # device is disabled. + # + # XXXRTH I suspect we really want to & with 0x03 so + # that CONFIGFLAGS_REMOVED devices are also ignored, + # but we're shifting to WMI as ConfigFlags is not + # supposed to be used. + return not flags & 0x1 + + finally: + device_key.Close() + finally: + connection_key.Close() + except Exception: # pragma: no cover + return False + + def get(self): + """Extract resolver configuration from the Windows registry.""" + + lm = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) + try: + tcp_params = winreg.OpenKey( + lm, r"SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" + ) + try: + self._config_fromkey(tcp_params, True) + finally: + tcp_params.Close() + interfaces = winreg.OpenKey( + lm, + r"SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces", + ) + try: + i = 0 + while True: + try: + guid = winreg.EnumKey(interfaces, i) + i += 1 + key = winreg.OpenKey(interfaces, guid) + try: + if not self._is_nic_enabled(lm, guid): + continue + self._config_fromkey(key, False) + finally: + key.Close() + except EnvironmentError: + break + finally: + interfaces.Close() + finally: + lm.Close() + return self.info + + _getter_class: Any + if _have_wmi and _prefer_wmi: + _getter_class = _WMIGetter + else: + _getter_class = _RegistryGetter + + def get_dns_info(): + """Extract resolver configuration.""" + getter = _getter_class() + return getter.get() diff --git a/venv/lib/python3.12/site-packages/dns/wire.py b/venv/lib/python3.12/site-packages/dns/wire.py new file mode 100644 index 0000000..9f9b157 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/wire.py @@ -0,0 +1,89 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import contextlib +import struct +from typing import Iterator, Optional, Tuple + +import dns.exception +import dns.name + + +class Parser: + def __init__(self, wire: bytes, current: int = 0): + self.wire = wire + self.current = 0 + self.end = len(self.wire) + if current: + self.seek(current) + self.furthest = current + + def remaining(self) -> int: + return self.end - self.current + + def get_bytes(self, size: int) -> bytes: + assert size >= 0 + if size > self.remaining(): + raise dns.exception.FormError + output = self.wire[self.current : self.current + size] + self.current += size + self.furthest = max(self.furthest, self.current) + return output + + def get_counted_bytes(self, length_size: int = 1) -> bytes: + length = int.from_bytes(self.get_bytes(length_size), "big") + return self.get_bytes(length) + + def get_remaining(self) -> bytes: + return self.get_bytes(self.remaining()) + + def get_uint8(self) -> int: + return struct.unpack("!B", self.get_bytes(1))[0] + + def get_uint16(self) -> int: + return struct.unpack("!H", self.get_bytes(2))[0] + + def get_uint32(self) -> int: + return struct.unpack("!I", self.get_bytes(4))[0] + + def get_uint48(self) -> int: + return int.from_bytes(self.get_bytes(6), "big") + + def get_struct(self, format: str) -> Tuple: + return struct.unpack(format, self.get_bytes(struct.calcsize(format))) + + def get_name(self, origin: Optional["dns.name.Name"] = None) -> "dns.name.Name": + name = dns.name.from_wire_parser(self) + if origin: + name = name.relativize(origin) + return name + + def seek(self, where: int) -> None: + # Note that seeking to the end is OK! (If you try to read + # after such a seek, you'll get an exception as expected.) + if where < 0 or where > self.end: + raise dns.exception.FormError + self.current = where + + @contextlib.contextmanager + def restrict_to(self, size: int) -> Iterator: + assert size >= 0 + if size > self.remaining(): + raise dns.exception.FormError + saved_end = self.end + try: + self.end = self.current + size + yield + # We make this check here and not in the finally as we + # don't want to raise if we're already raising for some + # other reason. + if self.current != self.end: + raise dns.exception.FormError + finally: + self.end = saved_end + + @contextlib.contextmanager + def restore_furthest(self) -> Iterator: + try: + yield None + finally: + self.current = self.furthest diff --git a/venv/lib/python3.12/site-packages/dns/xfr.py b/venv/lib/python3.12/site-packages/dns/xfr.py new file mode 100644 index 0000000..dd247d3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/xfr.py @@ -0,0 +1,343 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +from typing import Any, List, Optional, Tuple, Union + +import dns.exception +import dns.message +import dns.name +import dns.rcode +import dns.rdataset +import dns.rdatatype +import dns.serial +import dns.transaction +import dns.tsig +import dns.zone + + +class TransferError(dns.exception.DNSException): + """A zone transfer response got a non-zero rcode.""" + + def __init__(self, rcode): + message = "Zone transfer error: %s" % dns.rcode.to_text(rcode) + super().__init__(message) + self.rcode = rcode + + +class SerialWentBackwards(dns.exception.FormError): + """The current serial number is less than the serial we know.""" + + +class UseTCP(dns.exception.DNSException): + """This IXFR cannot be completed with UDP.""" + + +class Inbound: + """ + State machine for zone transfers. + """ + + def __init__( + self, + txn_manager: dns.transaction.TransactionManager, + rdtype: dns.rdatatype.RdataType = dns.rdatatype.AXFR, + serial: Optional[int] = None, + is_udp: bool = False, + ): + """Initialize an inbound zone transfer. + + *txn_manager* is a :py:class:`dns.transaction.TransactionManager`. + + *rdtype* can be `dns.rdatatype.AXFR` or `dns.rdatatype.IXFR` + + *serial* is the base serial number for IXFRs, and is required in + that case. + + *is_udp*, a ``bool`` indidicates if UDP is being used for this + XFR. + """ + self.txn_manager = txn_manager + self.txn: Optional[dns.transaction.Transaction] = None + self.rdtype = rdtype + if rdtype == dns.rdatatype.IXFR: + if serial is None: + raise ValueError("a starting serial must be supplied for IXFRs") + elif is_udp: + raise ValueError("is_udp specified for AXFR") + self.serial = serial + self.is_udp = is_udp + (_, _, self.origin) = txn_manager.origin_information() + self.soa_rdataset: Optional[dns.rdataset.Rdataset] = None + self.done = False + self.expecting_SOA = False + self.delete_mode = False + + def process_message(self, message: dns.message.Message) -> bool: + """Process one message in the transfer. + + The message should have the same relativization as was specified when + the `dns.xfr.Inbound` was created. The message should also have been + created with `one_rr_per_rrset=True` because order matters. + + Returns `True` if the transfer is complete, and `False` otherwise. + """ + if self.txn is None: + replacement = self.rdtype == dns.rdatatype.AXFR + self.txn = self.txn_manager.writer(replacement) + rcode = message.rcode() + if rcode != dns.rcode.NOERROR: + raise TransferError(rcode) + # + # We don't require a question section, but if it is present is + # should be correct. + # + if len(message.question) > 0: + if message.question[0].name != self.origin: + raise dns.exception.FormError("wrong question name") + if message.question[0].rdtype != self.rdtype: + raise dns.exception.FormError("wrong question rdatatype") + answer_index = 0 + if self.soa_rdataset is None: + # + # This is the first message. We're expecting an SOA at + # the origin. + # + if not message.answer or message.answer[0].name != self.origin: + raise dns.exception.FormError("No answer or RRset not for zone origin") + rrset = message.answer[0] + rdataset = rrset + if rdataset.rdtype != dns.rdatatype.SOA: + raise dns.exception.FormError("first RRset is not an SOA") + answer_index = 1 + self.soa_rdataset = rdataset.copy() + if self.rdtype == dns.rdatatype.IXFR: + if self.soa_rdataset[0].serial == self.serial: + # + # We're already up-to-date. + # + self.done = True + elif dns.serial.Serial(self.soa_rdataset[0].serial) < self.serial: + # It went backwards! + raise SerialWentBackwards + else: + if self.is_udp and len(message.answer[answer_index:]) == 0: + # + # There are no more records, so this is the + # "truncated" response. Say to use TCP + # + raise UseTCP + # + # Note we're expecting another SOA so we can detect + # if this IXFR response is an AXFR-style response. + # + self.expecting_SOA = True + # + # Process the answer section (other than the initial SOA in + # the first message). + # + for rrset in message.answer[answer_index:]: + name = rrset.name + rdataset = rrset + if self.done: + raise dns.exception.FormError("answers after final SOA") + assert self.txn is not None # for mypy + if rdataset.rdtype == dns.rdatatype.SOA and name == self.origin: + # + # Every time we see an origin SOA delete_mode inverts + # + if self.rdtype == dns.rdatatype.IXFR: + self.delete_mode = not self.delete_mode + # + # If this SOA Rdataset is equal to the first we saw + # then we're finished. If this is an IXFR we also + # check that we're seeing the record in the expected + # part of the response. + # + if rdataset == self.soa_rdataset and ( + self.rdtype == dns.rdatatype.AXFR + or (self.rdtype == dns.rdatatype.IXFR and self.delete_mode) + ): + # + # This is the final SOA + # + if self.expecting_SOA: + # We got an empty IXFR sequence! + raise dns.exception.FormError("empty IXFR sequence") + if ( + self.rdtype == dns.rdatatype.IXFR + and self.serial != rdataset[0].serial + ): + raise dns.exception.FormError("unexpected end of IXFR sequence") + self.txn.replace(name, rdataset) + self.txn.commit() + self.txn = None + self.done = True + else: + # + # This is not the final SOA + # + self.expecting_SOA = False + if self.rdtype == dns.rdatatype.IXFR: + if self.delete_mode: + # This is the start of an IXFR deletion set + if rdataset[0].serial != self.serial: + raise dns.exception.FormError( + "IXFR base serial mismatch" + ) + else: + # This is the start of an IXFR addition set + self.serial = rdataset[0].serial + self.txn.replace(name, rdataset) + else: + # We saw a non-final SOA for the origin in an AXFR. + raise dns.exception.FormError("unexpected origin SOA in AXFR") + continue + if self.expecting_SOA: + # + # We made an IXFR request and are expecting another + # SOA RR, but saw something else, so this must be an + # AXFR response. + # + self.rdtype = dns.rdatatype.AXFR + self.expecting_SOA = False + self.delete_mode = False + self.txn.rollback() + self.txn = self.txn_manager.writer(True) + # + # Note we are falling through into the code below + # so whatever rdataset this was gets written. + # + # Add or remove the data + if self.delete_mode: + self.txn.delete_exact(name, rdataset) + else: + self.txn.add(name, rdataset) + if self.is_udp and not self.done: + # + # This is a UDP IXFR and we didn't get to done, and we didn't + # get the proper "truncated" response + # + raise dns.exception.FormError("unexpected end of UDP IXFR") + return self.done + + # + # Inbounds are context managers. + # + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + if self.txn: + self.txn.rollback() + return False + + +def make_query( + txn_manager: dns.transaction.TransactionManager, + serial: Optional[int] = 0, + use_edns: Optional[Union[int, bool]] = None, + ednsflags: Optional[int] = None, + payload: Optional[int] = None, + request_payload: Optional[int] = None, + options: Optional[List[dns.edns.Option]] = None, + keyring: Any = None, + keyname: Optional[dns.name.Name] = None, + keyalgorithm: Union[dns.name.Name, str] = dns.tsig.default_algorithm, +) -> Tuple[dns.message.QueryMessage, Optional[int]]: + """Make an AXFR or IXFR query. + + *txn_manager* is a ``dns.transaction.TransactionManager``, typically a + ``dns.zone.Zone``. + + *serial* is an ``int`` or ``None``. If 0, then IXFR will be + attempted using the most recent serial number from the + *txn_manager*; it is the caller's responsibility to ensure there + are no write transactions active that could invalidate the + retrieved serial. If a serial cannot be determined, AXFR will be + forced. Other integer values are the starting serial to use. + ``None`` forces an AXFR. + + Please see the documentation for :py:func:`dns.message.make_query` and + :py:func:`dns.message.Message.use_tsig` for details on the other parameters + to this function. + + Returns a `(query, serial)` tuple. + """ + (zone_origin, _, origin) = txn_manager.origin_information() + if zone_origin is None: + raise ValueError("no zone origin") + if serial is None: + rdtype = dns.rdatatype.AXFR + elif not isinstance(serial, int): + raise ValueError("serial is not an integer") + elif serial == 0: + with txn_manager.reader() as txn: + rdataset = txn.get(origin, "SOA") + if rdataset: + serial = rdataset[0].serial + rdtype = dns.rdatatype.IXFR + else: + serial = None + rdtype = dns.rdatatype.AXFR + elif serial > 0 and serial < 4294967296: + rdtype = dns.rdatatype.IXFR + else: + raise ValueError("serial out-of-range") + rdclass = txn_manager.get_class() + q = dns.message.make_query( + zone_origin, + rdtype, + rdclass, + use_edns, + False, + ednsflags, + payload, + request_payload, + options, + ) + if serial is not None: + rdata = dns.rdata.from_text(rdclass, "SOA", f". . {serial} 0 0 0 0") + rrset = q.find_rrset( + q.authority, zone_origin, rdclass, dns.rdatatype.SOA, create=True + ) + rrset.add(rdata, 0) + if keyring is not None: + q.use_tsig(keyring, keyname, algorithm=keyalgorithm) + return (q, serial) + + +def extract_serial_from_query(query: dns.message.Message) -> Optional[int]: + """Extract the SOA serial number from query if it is an IXFR and return + it, otherwise return None. + + *query* is a dns.message.QueryMessage that is an IXFR or AXFR request. + + Raises if the query is not an IXFR or AXFR, or if an IXFR doesn't have + an appropriate SOA RRset in the authority section. + """ + if not isinstance(query, dns.message.QueryMessage): + raise ValueError("query not a QueryMessage") + question = query.question[0] + if question.rdtype == dns.rdatatype.AXFR: + return None + elif question.rdtype != dns.rdatatype.IXFR: + raise ValueError("query is not an AXFR or IXFR") + soa = query.find_rrset( + query.authority, question.name, question.rdclass, dns.rdatatype.SOA + ) + return soa[0].serial diff --git a/venv/lib/python3.12/site-packages/dns/zone.py b/venv/lib/python3.12/site-packages/dns/zone.py new file mode 100644 index 0000000..844919e --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/zone.py @@ -0,0 +1,1434 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Zones.""" + +import contextlib +import io +import os +import struct +from typing import ( + Any, + Callable, + Iterable, + Iterator, + List, + MutableMapping, + Optional, + Set, + Tuple, + Union, +) + +import dns.exception +import dns.grange +import dns.immutable +import dns.name +import dns.node +import dns.rdata +import dns.rdataclass +import dns.rdataset +import dns.rdatatype +import dns.rdtypes.ANY.SOA +import dns.rdtypes.ANY.ZONEMD +import dns.rrset +import dns.tokenizer +import dns.transaction +import dns.ttl +import dns.zonefile +from dns.zonetypes import DigestHashAlgorithm, DigestScheme, _digest_hashers + + +class BadZone(dns.exception.DNSException): + """The DNS zone is malformed.""" + + +class NoSOA(BadZone): + """The DNS zone has no SOA RR at its origin.""" + + +class NoNS(BadZone): + """The DNS zone has no NS RRset at its origin.""" + + +class UnknownOrigin(BadZone): + """The DNS zone's origin is unknown.""" + + +class UnsupportedDigestScheme(dns.exception.DNSException): + """The zone digest's scheme is unsupported.""" + + +class UnsupportedDigestHashAlgorithm(dns.exception.DNSException): + """The zone digest's origin is unsupported.""" + + +class NoDigest(dns.exception.DNSException): + """The DNS zone has no ZONEMD RRset at its origin.""" + + +class DigestVerificationFailure(dns.exception.DNSException): + """The ZONEMD digest failed to verify.""" + + +def _validate_name( + name: dns.name.Name, + origin: Optional[dns.name.Name], + relativize: bool, +) -> dns.name.Name: + # This name validation code is shared by Zone and Version + if origin is None: + # This should probably never happen as other code (e.g. + # _rr_line) will notice the lack of an origin before us, but + # we check just in case! + raise KeyError("no zone origin is defined") + if name.is_absolute(): + if not name.is_subdomain(origin): + raise KeyError("name parameter must be a subdomain of the zone origin") + if relativize: + name = name.relativize(origin) + else: + # We have a relative name. Make sure that the derelativized name is + # not too long. + try: + abs_name = name.derelativize(origin) + except dns.name.NameTooLong: + # We map dns.name.NameTooLong to KeyError to be consistent with + # the other exceptions above. + raise KeyError("relative name too long for zone") + if not relativize: + # We have a relative name in a non-relative zone, so use the + # derelativized name. + name = abs_name + return name + + +class Zone(dns.transaction.TransactionManager): + """A DNS zone. + + A ``Zone`` is a mapping from names to nodes. The zone object may be + treated like a Python dictionary, e.g. ``zone[name]`` will retrieve + the node associated with that name. The *name* may be a + ``dns.name.Name object``, or it may be a string. In either case, + if the name is relative it is treated as relative to the origin of + the zone. + """ + + node_factory: Callable[[], dns.node.Node] = dns.node.Node + map_factory: Callable[[], MutableMapping[dns.name.Name, dns.node.Node]] = dict + writable_version_factory: Optional[Callable[[], "WritableVersion"]] = None + immutable_version_factory: Optional[Callable[[], "ImmutableVersion"]] = None + + __slots__ = ["rdclass", "origin", "nodes", "relativize"] + + def __init__( + self, + origin: Optional[Union[dns.name.Name, str]], + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + relativize: bool = True, + ): + """Initialize a zone object. + + *origin* is the origin of the zone. It may be a ``dns.name.Name``, + a ``str``, or ``None``. If ``None``, then the zone's origin will + be set by the first ``$ORIGIN`` line in a zone file. + + *rdclass*, an ``int``, the zone's rdata class; the default is class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + """ + + if origin is not None: + if isinstance(origin, str): + origin = dns.name.from_text(origin) + elif not isinstance(origin, dns.name.Name): + raise ValueError("origin parameter must be convertible to a DNS name") + if not origin.is_absolute(): + raise ValueError("origin parameter must be an absolute name") + self.origin = origin + self.rdclass = rdclass + self.nodes: MutableMapping[dns.name.Name, dns.node.Node] = self.map_factory() + self.relativize = relativize + + def __eq__(self, other): + """Two zones are equal if they have the same origin, class, and + nodes. + + Returns a ``bool``. + """ + + if not isinstance(other, Zone): + return False + if ( + self.rdclass != other.rdclass + or self.origin != other.origin + or self.nodes != other.nodes + ): + return False + return True + + def __ne__(self, other): + """Are two zones not equal? + + Returns a ``bool``. + """ + + return not self.__eq__(other) + + def _validate_name(self, name: Union[dns.name.Name, str]) -> dns.name.Name: + # Note that any changes in this method should have corresponding changes + # made in the Version _validate_name() method. + if isinstance(name, str): + name = dns.name.from_text(name, None) + elif not isinstance(name, dns.name.Name): + raise KeyError("name parameter must be convertible to a DNS name") + return _validate_name(name, self.origin, self.relativize) + + def __getitem__(self, key): + key = self._validate_name(key) + return self.nodes[key] + + def __setitem__(self, key, value): + key = self._validate_name(key) + self.nodes[key] = value + + def __delitem__(self, key): + key = self._validate_name(key) + del self.nodes[key] + + def __iter__(self): + return self.nodes.__iter__() + + def keys(self): + return self.nodes.keys() + + def values(self): + return self.nodes.values() + + def items(self): + return self.nodes.items() + + def get(self, key): + key = self._validate_name(key) + return self.nodes.get(key) + + def __contains__(self, key): + key = self._validate_name(key) + return key in self.nodes + + def find_node( + self, name: Union[dns.name.Name, str], create: bool = False + ) -> dns.node.Node: + """Find a node in the zone, possibly creating it. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.node.Node``. + """ + + name = self._validate_name(name) + node = self.nodes.get(name) + if node is None: + if not create: + raise KeyError + node = self.node_factory() + self.nodes[name] = node + return node + + def get_node( + self, name: Union[dns.name.Name, str], create: bool = False + ) -> Optional[dns.node.Node]: + """Get a node in the zone, possibly creating it. + + This method is like ``find_node()``, except it returns None instead + of raising an exception if the node does not exist and creation + has not been requested. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Returns a ``dns.node.Node`` or ``None``. + """ + + try: + node = self.find_node(name, create) + except KeyError: + node = None + return node + + def delete_node(self, name: Union[dns.name.Name, str]) -> None: + """Delete the specified node if it exists. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + It is not an error if the node does not exist. + """ + + name = self._validate_name(name) + if name in self.nodes: + del self.nodes[name] + + def find_rdataset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + create: bool = False, + ) -> dns.rdataset.Rdataset: + """Look for an rdataset with the specified name and type in the zone, + and return an rdataset encapsulating it. + + The rdataset returned is not a copy; changes to it will change + the zone. + + KeyError is raised if the name or type are not found. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, a ``dns.rdatatype.RdataType`` or ``str``, the rdata type desired. + + *covers*, a ``dns.rdatatype.RdataType`` or ``str`` the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.rdataset.Rdataset``. + """ + + name = self._validate_name(name) + rdtype = dns.rdatatype.RdataType.make(rdtype) + covers = dns.rdatatype.RdataType.make(covers) + node = self.find_node(name, create) + return node.find_rdataset(self.rdclass, rdtype, covers, create) + + def get_rdataset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + create: bool = False, + ) -> Optional[dns.rdataset.Rdataset]: + """Look for an rdataset with the specified name and type in the zone. + + This method is like ``find_rdataset()``, except it returns None instead + of raising an exception if the rdataset does not exist and creation + has not been requested. + + The rdataset returned is not a copy; changes to it will change + the zone. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, a ``dns.rdatatype.RdataType`` or ``str``, the rdata type desired. + + *covers*, a ``dns.rdatatype.RdataType`` or ``str``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.rdataset.Rdataset`` or ``None``. + """ + + try: + rdataset = self.find_rdataset(name, rdtype, covers, create) + except KeyError: + rdataset = None + return rdataset + + def delete_rdataset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + ) -> None: + """Delete the rdataset matching *rdtype* and *covers*, if it + exists at the node specified by *name*. + + It is not an error if the node does not exist, or if there is no matching + rdataset at the node. + + If the node has no rdatasets after the deletion, it will itself be deleted. + + *name*: the name of the node to find. The value may be a ``dns.name.Name`` or a + ``str``. If absolute, the name must be a subdomain of the zone's origin. If + ``zone.relativize`` is ``True``, then the name will be relativized. + + *rdtype*, a ``dns.rdatatype.RdataType`` or ``str``, the rdata type desired. + + *covers*, a ``dns.rdatatype.RdataType`` or ``str`` or ``None``, the covered + type. Usually this value is ``dns.rdatatype.NONE``, but if the rdtype is + ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, then the covers value will be + the rdata type the SIG/RRSIG covers. The library treats the SIG and RRSIG types + as if they were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). This + makes RRSIGs much easier to work with than if RRSIGs covering different rdata + types were aggregated into a single RRSIG rdataset. + """ + + name = self._validate_name(name) + rdtype = dns.rdatatype.RdataType.make(rdtype) + covers = dns.rdatatype.RdataType.make(covers) + node = self.get_node(name) + if node is not None: + node.delete_rdataset(self.rdclass, rdtype, covers) + if len(node) == 0: + self.delete_node(name) + + def replace_rdataset( + self, name: Union[dns.name.Name, str], replacement: dns.rdataset.Rdataset + ) -> None: + """Replace an rdataset at name. + + It is not an error if there is no rdataset matching I{replacement}. + + Ownership of the *replacement* object is transferred to the zone; + in other words, this method does not store a copy of *replacement* + at the node, it stores *replacement* itself. + + If the node does not exist, it is created. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *replacement*, a ``dns.rdataset.Rdataset``, the replacement rdataset. + """ + + if replacement.rdclass != self.rdclass: + raise ValueError("replacement.rdclass != zone.rdclass") + node = self.find_node(name, True) + node.replace_rdataset(replacement) + + def find_rrset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + ) -> dns.rrset.RRset: + """Look for an rdataset with the specified name and type in the zone, + and return an RRset encapsulating it. + + This method is less efficient than the similar + ``find_rdataset()`` because it creates an RRset instead of + returning the matching rdataset. It may be more convenient + for some uses since it returns an object which binds the owner + name to the rdataset. + + This method may not be used to create new nodes or rdatasets; + use ``find_rdataset`` instead. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, a ``dns.rdatatype.RdataType`` or ``str``, the rdata type desired. + + *covers*, a ``dns.rdatatype.RdataType`` or ``str``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.rrset.RRset`` or ``None``. + """ + + vname = self._validate_name(name) + rdtype = dns.rdatatype.RdataType.make(rdtype) + covers = dns.rdatatype.RdataType.make(covers) + rdataset = self.nodes[vname].find_rdataset(self.rdclass, rdtype, covers) + rrset = dns.rrset.RRset(vname, self.rdclass, rdtype, covers) + rrset.update(rdataset) + return rrset + + def get_rrset( + self, + name: Union[dns.name.Name, str], + rdtype: Union[dns.rdatatype.RdataType, str], + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + ) -> Optional[dns.rrset.RRset]: + """Look for an rdataset with the specified name and type in the zone, + and return an RRset encapsulating it. + + This method is less efficient than the similar ``get_rdataset()`` + because it creates an RRset instead of returning the matching + rdataset. It may be more convenient for some uses since it + returns an object which binds the owner name to the rdataset. + + This method may not be used to create new nodes or rdatasets; + use ``get_rdataset()`` instead. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, a ``dns.rdataset.Rdataset`` or ``str``, the rdata type desired. + + *covers*, a ``dns.rdataset.Rdataset`` or ``str``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Returns a ``dns.rrset.RRset`` or ``None``. + """ + + try: + rrset = self.find_rrset(name, rdtype, covers) + except KeyError: + rrset = None + return rrset + + def iterate_rdatasets( + self, + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.ANY, + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + ) -> Iterator[Tuple[dns.name.Name, dns.rdataset.Rdataset]]: + """Return a generator which yields (name, rdataset) tuples for + all rdatasets in the zone which have the specified *rdtype* + and *covers*. If *rdtype* is ``dns.rdatatype.ANY``, the default, + then all rdatasets will be matched. + + *rdtype*, a ``dns.rdataset.Rdataset`` or ``str``, the rdata type desired. + + *covers*, a ``dns.rdataset.Rdataset`` or ``str``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + """ + + rdtype = dns.rdatatype.RdataType.make(rdtype) + covers = dns.rdatatype.RdataType.make(covers) + for name, node in self.items(): + for rds in node: + if rdtype == dns.rdatatype.ANY or ( + rds.rdtype == rdtype and rds.covers == covers + ): + yield (name, rds) + + def iterate_rdatas( + self, + rdtype: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.ANY, + covers: Union[dns.rdatatype.RdataType, str] = dns.rdatatype.NONE, + ) -> Iterator[Tuple[dns.name.Name, int, dns.rdata.Rdata]]: + """Return a generator which yields (name, ttl, rdata) tuples for + all rdatas in the zone which have the specified *rdtype* + and *covers*. If *rdtype* is ``dns.rdatatype.ANY``, the default, + then all rdatas will be matched. + + *rdtype*, a ``dns.rdataset.Rdataset`` or ``str``, the rdata type desired. + + *covers*, a ``dns.rdataset.Rdataset`` or ``str``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + """ + + rdtype = dns.rdatatype.RdataType.make(rdtype) + covers = dns.rdatatype.RdataType.make(covers) + for name, node in self.items(): + for rds in node: + if rdtype == dns.rdatatype.ANY or ( + rds.rdtype == rdtype and rds.covers == covers + ): + for rdata in rds: + yield (name, rds.ttl, rdata) + + def to_file( + self, + f: Any, + sorted: bool = True, + relativize: bool = True, + nl: Optional[str] = None, + want_comments: bool = False, + want_origin: bool = False, + ) -> None: + """Write a zone to a file. + + *f*, a file or `str`. If *f* is a string, it is treated + as the name of a file to open. + + *sorted*, a ``bool``. If True, the default, then the file + will be written with the names sorted in DNSSEC order from + least to greatest. Otherwise the names will be written in + whatever order they happen to have in the zone's dictionary. + + *relativize*, a ``bool``. If True, the default, then domain + names in the output will be relativized to the zone's origin + if possible. + + *nl*, a ``str`` or None. The end of line string. If not + ``None``, the output will use the platform's native + end-of-line marker (i.e. LF on POSIX, CRLF on Windows). + + *want_comments*, a ``bool``. If ``True``, emit end-of-line comments + as part of writing the file. If ``False``, the default, do not + emit them. + + *want_origin*, a ``bool``. If ``True``, emit a $ORIGIN line at + the start of the file. If ``False``, the default, do not emit + one. + """ + + if isinstance(f, str): + cm: contextlib.AbstractContextManager = open(f, "wb") + else: + cm = contextlib.nullcontext(f) + with cm as f: + # must be in this way, f.encoding may contain None, or even + # attribute may not be there + file_enc = getattr(f, "encoding", None) + if file_enc is None: + file_enc = "utf-8" + + if nl is None: + # binary mode, '\n' is not enough + nl_b = os.linesep.encode(file_enc) + nl = "\n" + elif isinstance(nl, str): + nl_b = nl.encode(file_enc) + else: + nl_b = nl + nl = nl.decode() + + if want_origin: + assert self.origin is not None + l = "$ORIGIN " + self.origin.to_text() + l_b = l.encode(file_enc) + try: + f.write(l_b) + f.write(nl_b) + except TypeError: # textual mode + f.write(l) + f.write(nl) + + if sorted: + names = list(self.keys()) + names.sort() + else: + names = self.keys() + for n in names: + l = self[n].to_text( + n, + origin=self.origin, + relativize=relativize, + want_comments=want_comments, + ) + l_b = l.encode(file_enc) + + try: + f.write(l_b) + f.write(nl_b) + except TypeError: # textual mode + f.write(l) + f.write(nl) + + def to_text( + self, + sorted: bool = True, + relativize: bool = True, + nl: Optional[str] = None, + want_comments: bool = False, + want_origin: bool = False, + ) -> str: + """Return a zone's text as though it were written to a file. + + *sorted*, a ``bool``. If True, the default, then the file + will be written with the names sorted in DNSSEC order from + least to greatest. Otherwise the names will be written in + whatever order they happen to have in the zone's dictionary. + + *relativize*, a ``bool``. If True, the default, then domain + names in the output will be relativized to the zone's origin + if possible. + + *nl*, a ``str`` or None. The end of line string. If not + ``None``, the output will use the platform's native + end-of-line marker (i.e. LF on POSIX, CRLF on Windows). + + *want_comments*, a ``bool``. If ``True``, emit end-of-line comments + as part of writing the file. If ``False``, the default, do not + emit them. + + *want_origin*, a ``bool``. If ``True``, emit a $ORIGIN line at + the start of the output. If ``False``, the default, do not emit + one. + + Returns a ``str``. + """ + temp_buffer = io.StringIO() + self.to_file(temp_buffer, sorted, relativize, nl, want_comments, want_origin) + return_value = temp_buffer.getvalue() + temp_buffer.close() + return return_value + + def check_origin(self) -> None: + """Do some simple checking of the zone's origin. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + """ + if self.relativize: + name = dns.name.empty + else: + assert self.origin is not None + name = self.origin + if self.get_rdataset(name, dns.rdatatype.SOA) is None: + raise NoSOA + if self.get_rdataset(name, dns.rdatatype.NS) is None: + raise NoNS + + def get_soa( + self, txn: Optional[dns.transaction.Transaction] = None + ) -> dns.rdtypes.ANY.SOA.SOA: + """Get the zone SOA rdata. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Returns a ``dns.rdtypes.ANY.SOA.SOA`` Rdata. + """ + if self.relativize: + origin_name = dns.name.empty + else: + if self.origin is None: + # get_soa() has been called very early, and there must not be + # an SOA if there is no origin. + raise NoSOA + origin_name = self.origin + soa: Optional[dns.rdataset.Rdataset] + if txn: + soa = txn.get(origin_name, dns.rdatatype.SOA) + else: + soa = self.get_rdataset(origin_name, dns.rdatatype.SOA) + if soa is None: + raise NoSOA + return soa[0] + + def _compute_digest( + self, + hash_algorithm: DigestHashAlgorithm, + scheme: DigestScheme = DigestScheme.SIMPLE, + ) -> bytes: + hashinfo = _digest_hashers.get(hash_algorithm) + if not hashinfo: + raise UnsupportedDigestHashAlgorithm + if scheme != DigestScheme.SIMPLE: + raise UnsupportedDigestScheme + + if self.relativize: + origin_name = dns.name.empty + else: + assert self.origin is not None + origin_name = self.origin + hasher = hashinfo() + for name, node in sorted(self.items()): + rrnamebuf = name.to_digestable(self.origin) + for rdataset in sorted(node, key=lambda rds: (rds.rdtype, rds.covers)): + if name == origin_name and dns.rdatatype.ZONEMD in ( + rdataset.rdtype, + rdataset.covers, + ): + continue + rrfixed = struct.pack( + "!HHI", rdataset.rdtype, rdataset.rdclass, rdataset.ttl + ) + rdatas = [rdata.to_digestable(self.origin) for rdata in rdataset] + for rdata in sorted(rdatas): + rrlen = struct.pack("!H", len(rdata)) + hasher.update(rrnamebuf + rrfixed + rrlen + rdata) + return hasher.digest() + + def compute_digest( + self, + hash_algorithm: DigestHashAlgorithm, + scheme: DigestScheme = DigestScheme.SIMPLE, + ) -> dns.rdtypes.ANY.ZONEMD.ZONEMD: + serial = self.get_soa().serial + digest = self._compute_digest(hash_algorithm, scheme) + return dns.rdtypes.ANY.ZONEMD.ZONEMD( + self.rdclass, dns.rdatatype.ZONEMD, serial, scheme, hash_algorithm, digest + ) + + def verify_digest( + self, zonemd: Optional[dns.rdtypes.ANY.ZONEMD.ZONEMD] = None + ) -> None: + digests: Union[dns.rdataset.Rdataset, List[dns.rdtypes.ANY.ZONEMD.ZONEMD]] + if zonemd: + digests = [zonemd] + else: + assert self.origin is not None + rds = self.get_rdataset(self.origin, dns.rdatatype.ZONEMD) + if rds is None: + raise NoDigest + digests = rds + for digest in digests: + try: + computed = self._compute_digest(digest.hash_algorithm, digest.scheme) + if computed == digest.digest: + return + except Exception: + pass + raise DigestVerificationFailure + + # TransactionManager methods + + def reader(self) -> "Transaction": + return Transaction(self, False, Version(self, 1, self.nodes, self.origin)) + + def writer(self, replacement: bool = False) -> "Transaction": + txn = Transaction(self, replacement) + txn._setup_version() + return txn + + def origin_information( + self, + ) -> Tuple[Optional[dns.name.Name], bool, Optional[dns.name.Name]]: + effective: Optional[dns.name.Name] + if self.relativize: + effective = dns.name.empty + else: + effective = self.origin + return (self.origin, self.relativize, effective) + + def get_class(self): + return self.rdclass + + # Transaction methods + + def _end_read(self, txn): + pass + + def _end_write(self, txn): + pass + + def _commit_version(self, _, version, origin): + self.nodes = version.nodes + if self.origin is None: + self.origin = origin + + def _get_next_version_id(self): + # Versions are ephemeral and all have id 1 + return 1 + + +# These classes used to be in dns.versioned, but have moved here so we can use +# the copy-on-write transaction mechanism for both kinds of zones. In a +# regular zone, the version only exists during the transaction, and the nodes +# are regular dns.node.Nodes. + +# A node with a version id. + + +class VersionedNode(dns.node.Node): # lgtm[py/missing-equals] + __slots__ = ["id"] + + def __init__(self): + super().__init__() + # A proper id will get set by the Version + self.id = 0 + + +@dns.immutable.immutable +class ImmutableVersionedNode(VersionedNode): + def __init__(self, node): + super().__init__() + self.id = node.id + self.rdatasets = tuple( + [dns.rdataset.ImmutableRdataset(rds) for rds in node.rdatasets] + ) + + def find_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + create: bool = False, + ) -> dns.rdataset.Rdataset: + if create: + raise TypeError("immutable") + return super().find_rdataset(rdclass, rdtype, covers, False) + + def get_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + create: bool = False, + ) -> Optional[dns.rdataset.Rdataset]: + if create: + raise TypeError("immutable") + return super().get_rdataset(rdclass, rdtype, covers, False) + + def delete_rdataset( + self, + rdclass: dns.rdataclass.RdataClass, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType = dns.rdatatype.NONE, + ) -> None: + raise TypeError("immutable") + + def replace_rdataset(self, replacement: dns.rdataset.Rdataset) -> None: + raise TypeError("immutable") + + def is_immutable(self) -> bool: + return True + + +class Version: + def __init__( + self, + zone: Zone, + id: int, + nodes: Optional[MutableMapping[dns.name.Name, dns.node.Node]] = None, + origin: Optional[dns.name.Name] = None, + ): + self.zone = zone + self.id = id + if nodes is not None: + self.nodes = nodes + else: + self.nodes = zone.map_factory() + self.origin = origin + + def _validate_name(self, name: dns.name.Name) -> dns.name.Name: + return _validate_name(name, self.origin, self.zone.relativize) + + def get_node(self, name: dns.name.Name) -> Optional[dns.node.Node]: + name = self._validate_name(name) + return self.nodes.get(name) + + def get_rdataset( + self, + name: dns.name.Name, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType, + ) -> Optional[dns.rdataset.Rdataset]: + node = self.get_node(name) + if node is None: + return None + return node.get_rdataset(self.zone.rdclass, rdtype, covers) + + def keys(self): + return self.nodes.keys() + + def items(self): + return self.nodes.items() + + +class WritableVersion(Version): + def __init__(self, zone: Zone, replacement: bool = False): + # The zone._versions_lock must be held by our caller in a versioned + # zone. + id = zone._get_next_version_id() + super().__init__(zone, id) + if not replacement: + # We copy the map, because that gives us a simple and thread-safe + # way of doing versions, and we have a garbage collector to help + # us. We only make new node objects if we actually change the + # node. + self.nodes.update(zone.nodes) + # We have to copy the zone origin as it may be None in the first + # version, and we don't want to mutate the zone until we commit. + self.origin = zone.origin + self.changed: Set[dns.name.Name] = set() + + def _maybe_cow(self, name: dns.name.Name) -> dns.node.Node: + name = self._validate_name(name) + node = self.nodes.get(name) + if node is None or name not in self.changed: + new_node = self.zone.node_factory() + if hasattr(new_node, "id"): + # We keep doing this for backwards compatibility, as earlier + # code used new_node.id != self.id for the "do we need to CoW?" + # test. Now we use the changed set as this works with both + # regular zones and versioned zones. + # + # We ignore the mypy error as this is safe but it doesn't see it. + new_node.id = self.id # type: ignore + if node is not None: + # moo! copy on write! + new_node.rdatasets.extend(node.rdatasets) + self.nodes[name] = new_node + self.changed.add(name) + return new_node + else: + return node + + def delete_node(self, name: dns.name.Name) -> None: + name = self._validate_name(name) + if name in self.nodes: + del self.nodes[name] + self.changed.add(name) + + def put_rdataset( + self, name: dns.name.Name, rdataset: dns.rdataset.Rdataset + ) -> None: + node = self._maybe_cow(name) + node.replace_rdataset(rdataset) + + def delete_rdataset( + self, + name: dns.name.Name, + rdtype: dns.rdatatype.RdataType, + covers: dns.rdatatype.RdataType, + ) -> None: + node = self._maybe_cow(name) + node.delete_rdataset(self.zone.rdclass, rdtype, covers) + if len(node) == 0: + del self.nodes[name] + + +@dns.immutable.immutable +class ImmutableVersion(Version): + def __init__(self, version: WritableVersion): + # We tell super() that it's a replacement as we don't want it + # to copy the nodes, as we're about to do that with an + # immutable Dict. + super().__init__(version.zone, True) + # set the right id! + self.id = version.id + # keep the origin + self.origin = version.origin + # Make changed nodes immutable + for name in version.changed: + node = version.nodes.get(name) + # it might not exist if we deleted it in the version + if node: + version.nodes[name] = ImmutableVersionedNode(node) + # We're changing the type of the nodes dictionary here on purpose, so + # we ignore the mypy error. + self.nodes = dns.immutable.Dict( + version.nodes, True, self.zone.map_factory + ) # type: ignore + + +class Transaction(dns.transaction.Transaction): + def __init__(self, zone, replacement, version=None, make_immutable=False): + read_only = version is not None + super().__init__(zone, replacement, read_only) + self.version = version + self.make_immutable = make_immutable + + @property + def zone(self): + return self.manager + + def _setup_version(self): + assert self.version is None + factory = self.manager.writable_version_factory + if factory is None: + factory = WritableVersion + self.version = factory(self.zone, self.replacement) + + def _get_rdataset(self, name, rdtype, covers): + return self.version.get_rdataset(name, rdtype, covers) + + def _put_rdataset(self, name, rdataset): + assert not self.read_only + self.version.put_rdataset(name, rdataset) + + def _delete_name(self, name): + assert not self.read_only + self.version.delete_node(name) + + def _delete_rdataset(self, name, rdtype, covers): + assert not self.read_only + self.version.delete_rdataset(name, rdtype, covers) + + def _name_exists(self, name): + return self.version.get_node(name) is not None + + def _changed(self): + if self.read_only: + return False + else: + return len(self.version.changed) > 0 + + def _end_transaction(self, commit): + if self.read_only: + self.zone._end_read(self) + elif commit and len(self.version.changed) > 0: + if self.make_immutable: + factory = self.manager.immutable_version_factory + if factory is None: + factory = ImmutableVersion + version = factory(self.version) + else: + version = self.version + self.zone._commit_version(self, version, self.version.origin) + else: + # rollback + self.zone._end_write(self) + + def _set_origin(self, origin): + if self.version.origin is None: + self.version.origin = origin + + def _iterate_rdatasets(self): + for name, node in self.version.items(): + for rdataset in node: + yield (name, rdataset) + + def _iterate_names(self): + return self.version.keys() + + def _get_node(self, name): + return self.version.get_node(name) + + def _origin_information(self): + (absolute, relativize, effective) = self.manager.origin_information() + if absolute is None and self.version.origin is not None: + # No origin has been committed yet, but we've learned one as part of + # this txn. Use it. + absolute = self.version.origin + if relativize: + effective = dns.name.empty + else: + effective = absolute + return (absolute, relativize, effective) + + +def _from_text( + text: Any, + origin: Optional[Union[dns.name.Name, str]] = None, + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + relativize: bool = True, + zone_factory: Any = Zone, + filename: Optional[str] = None, + allow_include: bool = False, + check_origin: bool = True, + idna_codec: Optional[dns.name.IDNACodec] = None, + allow_directives: Union[bool, Iterable[str]] = True, +) -> Zone: + # See the comments for the public APIs from_text() and from_file() for + # details. + + # 'text' can also be a file, but we don't publish that fact + # since it's an implementation detail. The official file + # interface is from_file(). + + if filename is None: + filename = "" + zone = zone_factory(origin, rdclass, relativize=relativize) + with zone.writer(True) as txn: + tok = dns.tokenizer.Tokenizer(text, filename, idna_codec=idna_codec) + reader = dns.zonefile.Reader( + tok, + rdclass, + txn, + allow_include=allow_include, + allow_directives=allow_directives, + ) + try: + reader.read() + except dns.zonefile.UnknownOrigin: + # for backwards compatibility + raise dns.zone.UnknownOrigin + # Now that we're done reading, do some basic checking of the zone. + if check_origin: + zone.check_origin() + return zone + + +def from_text( + text: str, + origin: Optional[Union[dns.name.Name, str]] = None, + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + relativize: bool = True, + zone_factory: Any = Zone, + filename: Optional[str] = None, + allow_include: bool = False, + check_origin: bool = True, + idna_codec: Optional[dns.name.IDNACodec] = None, + allow_directives: Union[bool, Iterable[str]] = True, +) -> Zone: + """Build a zone object from a zone file format string. + + *text*, a ``str``, the zone file format input. + + *origin*, a ``dns.name.Name``, a ``str``, or ``None``. The origin + of the zone; if not specified, the first ``$ORIGIN`` statement in the + zone file will determine the origin of the zone. + + *rdclass*, a ``dns.rdataclass.RdataClass``, the zone's rdata class; the default is + class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + + *zone_factory*, the zone factory to use or ``None``. If ``None``, then + ``dns.zone.Zone`` will be used. The value may be any class or callable + that returns a subclass of ``dns.zone.Zone``. + + *filename*, a ``str`` or ``None``, the filename to emit when + describing where an error occurred; the default is ``''``. + + *allow_include*, a ``bool``. If ``True``, the default, then ``$INCLUDE`` + directives are permitted. If ``False``, then encoutering a ``$INCLUDE`` + will raise a ``SyntaxError`` exception. + + *check_origin*, a ``bool``. If ``True``, the default, then sanity + checks of the origin node will be made by calling the zone's + ``check_origin()`` method. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + *allow_directives*, a ``bool`` or an iterable of `str`. If ``True``, the default, + then directives are permitted, and the *allow_include* parameter controls whether + ``$INCLUDE`` is permitted. If ``False`` or an empty iterable, then no directive + processing is done and any directive-like text will be treated as a regular owner + name. If a non-empty iterable, then only the listed directives (including the + ``$``) are allowed. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + + Returns a subclass of ``dns.zone.Zone``. + """ + return _from_text( + text, + origin, + rdclass, + relativize, + zone_factory, + filename, + allow_include, + check_origin, + idna_codec, + allow_directives, + ) + + +def from_file( + f: Any, + origin: Optional[Union[dns.name.Name, str]] = None, + rdclass: dns.rdataclass.RdataClass = dns.rdataclass.IN, + relativize: bool = True, + zone_factory: Any = Zone, + filename: Optional[str] = None, + allow_include: bool = True, + check_origin: bool = True, + idna_codec: Optional[dns.name.IDNACodec] = None, + allow_directives: Union[bool, Iterable[str]] = True, +) -> Zone: + """Read a zone file and build a zone object. + + *f*, a file or ``str``. If *f* is a string, it is treated + as the name of a file to open. + + *origin*, a ``dns.name.Name``, a ``str``, or ``None``. The origin + of the zone; if not specified, the first ``$ORIGIN`` statement in the + zone file will determine the origin of the zone. + + *rdclass*, an ``int``, the zone's rdata class; the default is class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + + *zone_factory*, the zone factory to use or ``None``. If ``None``, then + ``dns.zone.Zone`` will be used. The value may be any class or callable + that returns a subclass of ``dns.zone.Zone``. + + *filename*, a ``str`` or ``None``, the filename to emit when + describing where an error occurred; the default is ``''``. + + *allow_include*, a ``bool``. If ``True``, the default, then ``$INCLUDE`` + directives are permitted. If ``False``, then encoutering a ``$INCLUDE`` + will raise a ``SyntaxError`` exception. + + *check_origin*, a ``bool``. If ``True``, the default, then sanity + checks of the origin node will be made by calling the zone's + ``check_origin()`` method. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + *allow_directives*, a ``bool`` or an iterable of `str`. If ``True``, the default, + then directives are permitted, and the *allow_include* parameter controls whether + ``$INCLUDE`` is permitted. If ``False`` or an empty iterable, then no directive + processing is done and any directive-like text will be treated as a regular owner + name. If a non-empty iterable, then only the listed directives (including the + ``$``) are allowed. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + + Returns a subclass of ``dns.zone.Zone``. + """ + + if isinstance(f, str): + if filename is None: + filename = f + cm: contextlib.AbstractContextManager = open(f) + else: + cm = contextlib.nullcontext(f) + with cm as f: + return _from_text( + f, + origin, + rdclass, + relativize, + zone_factory, + filename, + allow_include, + check_origin, + idna_codec, + allow_directives, + ) + assert False # make mypy happy lgtm[py/unreachable-statement] + + +def from_xfr( + xfr: Any, + zone_factory: Any = Zone, + relativize: bool = True, + check_origin: bool = True, +) -> Zone: + """Convert the output of a zone transfer generator into a zone object. + + *xfr*, a generator of ``dns.message.Message`` objects, typically + ``dns.query.xfr()``. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + It is essential that the relativize setting matches the one specified + to the generator. + + *check_origin*, a ``bool``. If ``True``, the default, then sanity + checks of the origin node will be made by calling the zone's + ``check_origin()`` method. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + + Raises ``ValueError`` if no messages are yielded by the generator. + + Returns a subclass of ``dns.zone.Zone``. + """ + + z = None + for r in xfr: + if z is None: + if relativize: + origin = r.origin + else: + origin = r.answer[0].name + rdclass = r.answer[0].rdclass + z = zone_factory(origin, rdclass, relativize=relativize) + for rrset in r.answer: + znode = z.nodes.get(rrset.name) + if not znode: + znode = z.node_factory() + z.nodes[rrset.name] = znode + zrds = znode.find_rdataset(rrset.rdclass, rrset.rdtype, rrset.covers, True) + zrds.update_ttl(rrset.ttl) + for rd in rrset: + zrds.add(rd) + if z is None: + raise ValueError("empty transfer") + if check_origin: + z.check_origin() + return z diff --git a/venv/lib/python3.12/site-packages/dns/zonefile.py b/venv/lib/python3.12/site-packages/dns/zonefile.py new file mode 100644 index 0000000..af064e7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/zonefile.py @@ -0,0 +1,746 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Zones.""" + +import re +import sys +from typing import Any, Iterable, List, Optional, Set, Tuple, Union + +import dns.exception +import dns.grange +import dns.name +import dns.node +import dns.rdata +import dns.rdataclass +import dns.rdatatype +import dns.rdtypes.ANY.SOA +import dns.rrset +import dns.tokenizer +import dns.transaction +import dns.ttl + + +class UnknownOrigin(dns.exception.DNSException): + """Unknown origin""" + + +class CNAMEAndOtherData(dns.exception.DNSException): + """A node has a CNAME and other data""" + + +def _check_cname_and_other_data(txn, name, rdataset): + rdataset_kind = dns.node.NodeKind.classify_rdataset(rdataset) + node = txn.get_node(name) + if node is None: + # empty nodes are neutral. + return + node_kind = node.classify() + if ( + node_kind == dns.node.NodeKind.CNAME + and rdataset_kind == dns.node.NodeKind.REGULAR + ): + raise CNAMEAndOtherData("rdataset type is not compatible with a CNAME node") + elif ( + node_kind == dns.node.NodeKind.REGULAR + and rdataset_kind == dns.node.NodeKind.CNAME + ): + raise CNAMEAndOtherData( + "CNAME rdataset is not compatible with a regular data node" + ) + # Otherwise at least one of the node and the rdataset is neutral, so + # adding the rdataset is ok + + +SavedStateType = Tuple[ + dns.tokenizer.Tokenizer, + Optional[dns.name.Name], # current_origin + Optional[dns.name.Name], # last_name + Optional[Any], # current_file + int, # last_ttl + bool, # last_ttl_known + int, # default_ttl + bool, +] # default_ttl_known + + +def _upper_dollarize(s): + s = s.upper() + if not s.startswith("$"): + s = "$" + s + return s + + +class Reader: + """Read a DNS zone file into a transaction.""" + + def __init__( + self, + tok: dns.tokenizer.Tokenizer, + rdclass: dns.rdataclass.RdataClass, + txn: dns.transaction.Transaction, + allow_include: bool = False, + allow_directives: Union[bool, Iterable[str]] = True, + force_name: Optional[dns.name.Name] = None, + force_ttl: Optional[int] = None, + force_rdclass: Optional[dns.rdataclass.RdataClass] = None, + force_rdtype: Optional[dns.rdatatype.RdataType] = None, + default_ttl: Optional[int] = None, + ): + self.tok = tok + (self.zone_origin, self.relativize, _) = txn.manager.origin_information() + self.current_origin = self.zone_origin + self.last_ttl = 0 + self.last_ttl_known = False + if force_ttl is not None: + default_ttl = force_ttl + if default_ttl is None: + self.default_ttl = 0 + self.default_ttl_known = False + else: + self.default_ttl = default_ttl + self.default_ttl_known = True + self.last_name = self.current_origin + self.zone_rdclass = rdclass + self.txn = txn + self.saved_state: List[SavedStateType] = [] + self.current_file: Optional[Any] = None + self.allowed_directives: Set[str] + if allow_directives is True: + self.allowed_directives = {"$GENERATE", "$ORIGIN", "$TTL"} + if allow_include: + self.allowed_directives.add("$INCLUDE") + elif allow_directives is False: + # allow_include was ignored in earlier releases if allow_directives was + # False, so we continue that. + self.allowed_directives = set() + else: + # Note that if directives are explicitly specified, then allow_include + # is ignored. + self.allowed_directives = set(_upper_dollarize(d) for d in allow_directives) + self.force_name = force_name + self.force_ttl = force_ttl + self.force_rdclass = force_rdclass + self.force_rdtype = force_rdtype + self.txn.check_put_rdataset(_check_cname_and_other_data) + + def _eat_line(self): + while 1: + token = self.tok.get() + if token.is_eol_or_eof(): + break + + def _get_identifier(self): + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + return token + + def _rr_line(self): + """Process one line from a DNS zone file.""" + token = None + # Name + if self.force_name is not None: + name = self.force_name + else: + if self.current_origin is None: + raise UnknownOrigin + token = self.tok.get(want_leading=True) + if not token.is_whitespace(): + self.last_name = self.tok.as_name(token, self.current_origin) + else: + token = self.tok.get() + if token.is_eol_or_eof(): + # treat leading WS followed by EOL/EOF as if they were EOL/EOF. + return + self.tok.unget(token) + name = self.last_name + if not name.is_subdomain(self.zone_origin): + self._eat_line() + return + if self.relativize: + name = name.relativize(self.zone_origin) + + # TTL + if self.force_ttl is not None: + ttl = self.force_ttl + self.last_ttl = ttl + self.last_ttl_known = True + else: + token = self._get_identifier() + ttl = None + try: + ttl = dns.ttl.from_text(token.value) + self.last_ttl = ttl + self.last_ttl_known = True + token = None + except dns.ttl.BadTTL: + self.tok.unget(token) + + # Class + if self.force_rdclass is not None: + rdclass = self.force_rdclass + else: + token = self._get_identifier() + try: + rdclass = dns.rdataclass.from_text(token.value) + except dns.exception.SyntaxError: + raise + except Exception: + rdclass = self.zone_rdclass + self.tok.unget(token) + if rdclass != self.zone_rdclass: + raise dns.exception.SyntaxError("RR class is not zone's class") + + if ttl is None: + # support for syntax + token = self._get_identifier() + ttl = None + try: + ttl = dns.ttl.from_text(token.value) + self.last_ttl = ttl + self.last_ttl_known = True + token = None + except dns.ttl.BadTTL: + if self.default_ttl_known: + ttl = self.default_ttl + elif self.last_ttl_known: + ttl = self.last_ttl + self.tok.unget(token) + + # Type + if self.force_rdtype is not None: + rdtype = self.force_rdtype + else: + token = self._get_identifier() + try: + rdtype = dns.rdatatype.from_text(token.value) + except Exception: + raise dns.exception.SyntaxError("unknown rdatatype '%s'" % token.value) + + try: + rd = dns.rdata.from_text( + rdclass, + rdtype, + self.tok, + self.current_origin, + self.relativize, + self.zone_origin, + ) + except dns.exception.SyntaxError: + # Catch and reraise. + raise + except Exception: + # All exceptions that occur in the processing of rdata + # are treated as syntax errors. This is not strictly + # correct, but it is correct almost all of the time. + # We convert them to syntax errors so that we can emit + # helpful filename:line info. + (ty, va) = sys.exc_info()[:2] + raise dns.exception.SyntaxError( + "caught exception {}: {}".format(str(ty), str(va)) + ) + + if not self.default_ttl_known and rdtype == dns.rdatatype.SOA: + # The pre-RFC2308 and pre-BIND9 behavior inherits the zone default + # TTL from the SOA minttl if no $TTL statement is present before the + # SOA is parsed. + self.default_ttl = rd.minimum + self.default_ttl_known = True + if ttl is None: + # if we didn't have a TTL on the SOA, set it! + ttl = rd.minimum + + # TTL check. We had to wait until now to do this as the SOA RR's + # own TTL can be inferred from its minimum. + if ttl is None: + raise dns.exception.SyntaxError("Missing default TTL value") + + self.txn.add(name, ttl, rd) + + def _parse_modify(self, side: str) -> Tuple[str, str, int, int, str]: + # Here we catch everything in '{' '}' in a group so we can replace it + # with ''. + is_generate1 = re.compile(r"^.*\$({(\+|-?)(\d+),(\d+),(.)}).*$") + is_generate2 = re.compile(r"^.*\$({(\+|-?)(\d+)}).*$") + is_generate3 = re.compile(r"^.*\$({(\+|-?)(\d+),(\d+)}).*$") + # Sometimes there are modifiers in the hostname. These come after + # the dollar sign. They are in the form: ${offset[,width[,base]]}. + # Make names + g1 = is_generate1.match(side) + if g1: + mod, sign, offset, width, base = g1.groups() + if sign == "": + sign = "+" + g2 = is_generate2.match(side) + if g2: + mod, sign, offset = g2.groups() + if sign == "": + sign = "+" + width = 0 + base = "d" + g3 = is_generate3.match(side) + if g3: + mod, sign, offset, width = g3.groups() + if sign == "": + sign = "+" + base = "d" + + if not (g1 or g2 or g3): + mod = "" + sign = "+" + offset = 0 + width = 0 + base = "d" + + offset = int(offset) + width = int(width) + + if sign not in ["+", "-"]: + raise dns.exception.SyntaxError("invalid offset sign %s" % sign) + if base not in ["d", "o", "x", "X", "n", "N"]: + raise dns.exception.SyntaxError("invalid type %s" % base) + + return mod, sign, offset, width, base + + def _generate_line(self): + # range lhs [ttl] [class] type rhs [ comment ] + """Process one line containing the GENERATE statement from a DNS + zone file.""" + if self.current_origin is None: + raise UnknownOrigin + + token = self.tok.get() + # Range (required) + try: + start, stop, step = dns.grange.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except Exception: + raise dns.exception.SyntaxError + + # lhs (required) + try: + lhs = token.value + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except Exception: + raise dns.exception.SyntaxError + + # TTL + try: + ttl = dns.ttl.from_text(token.value) + self.last_ttl = ttl + self.last_ttl_known = True + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.ttl.BadTTL: + if not (self.last_ttl_known or self.default_ttl_known): + raise dns.exception.SyntaxError("Missing default TTL value") + if self.default_ttl_known: + ttl = self.default_ttl + elif self.last_ttl_known: + ttl = self.last_ttl + # Class + try: + rdclass = dns.rdataclass.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + rdclass = self.zone_rdclass + if rdclass != self.zone_rdclass: + raise dns.exception.SyntaxError("RR class is not zone's class") + # Type + try: + rdtype = dns.rdatatype.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except Exception: + raise dns.exception.SyntaxError("unknown rdatatype '%s'" % token.value) + + # rhs (required) + rhs = token.value + + def _calculate_index(counter: int, offset_sign: str, offset: int) -> int: + """Calculate the index from the counter and offset.""" + if offset_sign == "-": + offset *= -1 + return counter + offset + + def _format_index(index: int, base: str, width: int) -> str: + """Format the index with the given base, and zero-fill it + to the given width.""" + if base in ["d", "o", "x", "X"]: + return format(index, base).zfill(width) + + # base can only be n or N here + hexa = _format_index(index, "x", width) + nibbles = ".".join(hexa[::-1])[:width] + if base == "N": + nibbles = nibbles.upper() + return nibbles + + lmod, lsign, loffset, lwidth, lbase = self._parse_modify(lhs) + rmod, rsign, roffset, rwidth, rbase = self._parse_modify(rhs) + for i in range(start, stop + 1, step): + # +1 because bind is inclusive and python is exclusive + + lindex = _calculate_index(i, lsign, loffset) + rindex = _calculate_index(i, rsign, roffset) + + lzfindex = _format_index(lindex, lbase, lwidth) + rzfindex = _format_index(rindex, rbase, rwidth) + + name = lhs.replace("$%s" % (lmod), lzfindex) + rdata = rhs.replace("$%s" % (rmod), rzfindex) + + self.last_name = dns.name.from_text( + name, self.current_origin, self.tok.idna_codec + ) + name = self.last_name + if not name.is_subdomain(self.zone_origin): + self._eat_line() + return + if self.relativize: + name = name.relativize(self.zone_origin) + + try: + rd = dns.rdata.from_text( + rdclass, + rdtype, + rdata, + self.current_origin, + self.relativize, + self.zone_origin, + ) + except dns.exception.SyntaxError: + # Catch and reraise. + raise + except Exception: + # All exceptions that occur in the processing of rdata + # are treated as syntax errors. This is not strictly + # correct, but it is correct almost all of the time. + # We convert them to syntax errors so that we can emit + # helpful filename:line info. + (ty, va) = sys.exc_info()[:2] + raise dns.exception.SyntaxError( + "caught exception %s: %s" % (str(ty), str(va)) + ) + + self.txn.add(name, ttl, rd) + + def read(self) -> None: + """Read a DNS zone file and build a zone object. + + @raises dns.zone.NoSOA: No SOA RR was found at the zone origin + @raises dns.zone.NoNS: No NS RRset was found at the zone origin + """ + + try: + while 1: + token = self.tok.get(True, True) + if token.is_eof(): + if self.current_file is not None: + self.current_file.close() + if len(self.saved_state) > 0: + ( + self.tok, + self.current_origin, + self.last_name, + self.current_file, + self.last_ttl, + self.last_ttl_known, + self.default_ttl, + self.default_ttl_known, + ) = self.saved_state.pop(-1) + continue + break + elif token.is_eol(): + continue + elif token.is_comment(): + self.tok.get_eol() + continue + elif token.value[0] == "$" and len(self.allowed_directives) > 0: + # Note that we only run directive processing code if at least + # one directive is allowed in order to be backwards compatible + c = token.value.upper() + if c not in self.allowed_directives: + raise dns.exception.SyntaxError( + f"zone file directive '{c}' is not allowed" + ) + if c == "$TTL": + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError("bad $TTL") + self.default_ttl = dns.ttl.from_text(token.value) + self.default_ttl_known = True + self.tok.get_eol() + elif c == "$ORIGIN": + self.current_origin = self.tok.get_name() + self.tok.get_eol() + if self.zone_origin is None: + self.zone_origin = self.current_origin + self.txn._set_origin(self.current_origin) + elif c == "$INCLUDE": + token = self.tok.get() + filename = token.value + token = self.tok.get() + new_origin: Optional[dns.name.Name] + if token.is_identifier(): + new_origin = dns.name.from_text( + token.value, self.current_origin, self.tok.idna_codec + ) + self.tok.get_eol() + elif not token.is_eol_or_eof(): + raise dns.exception.SyntaxError("bad origin in $INCLUDE") + else: + new_origin = self.current_origin + self.saved_state.append( + ( + self.tok, + self.current_origin, + self.last_name, + self.current_file, + self.last_ttl, + self.last_ttl_known, + self.default_ttl, + self.default_ttl_known, + ) + ) + self.current_file = open(filename, "r") + self.tok = dns.tokenizer.Tokenizer(self.current_file, filename) + self.current_origin = new_origin + elif c == "$GENERATE": + self._generate_line() + else: + raise dns.exception.SyntaxError( + f"Unknown zone file directive '{c}'" + ) + continue + self.tok.unget(token) + self._rr_line() + except dns.exception.SyntaxError as detail: + (filename, line_number) = self.tok.where() + if detail is None: + detail = "syntax error" + ex = dns.exception.SyntaxError( + "%s:%d: %s" % (filename, line_number, detail) + ) + tb = sys.exc_info()[2] + raise ex.with_traceback(tb) from None + + +class RRsetsReaderTransaction(dns.transaction.Transaction): + def __init__(self, manager, replacement, read_only): + assert not read_only + super().__init__(manager, replacement, read_only) + self.rdatasets = {} + + def _get_rdataset(self, name, rdtype, covers): + return self.rdatasets.get((name, rdtype, covers)) + + def _get_node(self, name): + rdatasets = [] + for (rdataset_name, _, _), rdataset in self.rdatasets.items(): + if name == rdataset_name: + rdatasets.append(rdataset) + if len(rdatasets) == 0: + return None + node = dns.node.Node() + node.rdatasets = rdatasets + return node + + def _put_rdataset(self, name, rdataset): + self.rdatasets[(name, rdataset.rdtype, rdataset.covers)] = rdataset + + def _delete_name(self, name): + # First remove any changes involving the name + remove = [] + for key in self.rdatasets: + if key[0] == name: + remove.append(key) + if len(remove) > 0: + for key in remove: + del self.rdatasets[key] + + def _delete_rdataset(self, name, rdtype, covers): + try: + del self.rdatasets[(name, rdtype, covers)] + except KeyError: + pass + + def _name_exists(self, name): + for n, _, _ in self.rdatasets: + if n == name: + return True + return False + + def _changed(self): + return len(self.rdatasets) > 0 + + def _end_transaction(self, commit): + if commit and self._changed(): + rrsets = [] + for (name, _, _), rdataset in self.rdatasets.items(): + rrset = dns.rrset.RRset( + name, rdataset.rdclass, rdataset.rdtype, rdataset.covers + ) + rrset.update(rdataset) + rrsets.append(rrset) + self.manager.set_rrsets(rrsets) + + def _set_origin(self, origin): + pass + + def _iterate_rdatasets(self): + raise NotImplementedError # pragma: no cover + + def _iterate_names(self): + raise NotImplementedError # pragma: no cover + + +class RRSetsReaderManager(dns.transaction.TransactionManager): + def __init__( + self, origin=dns.name.root, relativize=False, rdclass=dns.rdataclass.IN + ): + self.origin = origin + self.relativize = relativize + self.rdclass = rdclass + self.rrsets = [] + + def reader(self): # pragma: no cover + raise NotImplementedError + + def writer(self, replacement=False): + assert replacement is True + return RRsetsReaderTransaction(self, True, False) + + def get_class(self): + return self.rdclass + + def origin_information(self): + if self.relativize: + effective = dns.name.empty + else: + effective = self.origin + return (self.origin, self.relativize, effective) + + def set_rrsets(self, rrsets): + self.rrsets = rrsets + + +def read_rrsets( + text: Any, + name: Optional[Union[dns.name.Name, str]] = None, + ttl: Optional[int] = None, + rdclass: Optional[Union[dns.rdataclass.RdataClass, str]] = dns.rdataclass.IN, + default_rdclass: Union[dns.rdataclass.RdataClass, str] = dns.rdataclass.IN, + rdtype: Optional[Union[dns.rdatatype.RdataType, str]] = None, + default_ttl: Optional[Union[int, str]] = None, + idna_codec: Optional[dns.name.IDNACodec] = None, + origin: Optional[Union[dns.name.Name, str]] = dns.name.root, + relativize: bool = False, +) -> List[dns.rrset.RRset]: + """Read one or more rrsets from the specified text, possibly subject + to restrictions. + + *text*, a file object or a string, is the input to process. + + *name*, a string, ``dns.name.Name``, or ``None``, is the owner name of + the rrset. If not ``None``, then the owner name is "forced", and the + input must not specify an owner name. If ``None``, then any owner names + are allowed and must be present in the input. + + *ttl*, an ``int``, string, or None. If not ``None``, the the TTL is + forced to be the specified value and the input must not specify a TTL. + If ``None``, then a TTL may be specified in the input. If it is not + specified, then the *default_ttl* will be used. + + *rdclass*, a ``dns.rdataclass.RdataClass``, string, or ``None``. If + not ``None``, then the class is forced to the specified value, and the + input must not specify a class. If ``None``, then the input may specify + a class that matches *default_rdclass*. Note that it is not possible to + return rrsets with differing classes; specifying ``None`` for the class + simply allows the user to optionally type a class as that may be convenient + when cutting and pasting. + + *default_rdclass*, a ``dns.rdataclass.RdataClass`` or string. The class + of the returned rrsets. + + *rdtype*, a ``dns.rdatatype.RdataType``, string, or ``None``. If not + ``None``, then the type is forced to the specified value, and the + input must not specify a type. If ``None``, then a type must be present + for each RR. + + *default_ttl*, an ``int``, string, or ``None``. If not ``None``, then if + the TTL is not forced and is not specified, then this value will be used. + if ``None``, then if the TTL is not forced an error will occur if the TTL + is not specified. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. Note that codecs only apply to the owner name; dnspython does + not do IDNA for names in rdata, as there is no IDNA zonefile format. + + *origin*, a string, ``dns.name.Name``, or ``None``, is the origin for any + relative names in the input, and also the origin to relativize to if + *relativize* is ``True``. + + *relativize*, a bool. If ``True``, names are relativized to the *origin*; + if ``False`` then any relative names in the input are made absolute by + appending the *origin*. + """ + if isinstance(origin, str): + origin = dns.name.from_text(origin, dns.name.root, idna_codec) + if isinstance(name, str): + name = dns.name.from_text(name, origin, idna_codec) + if isinstance(ttl, str): + ttl = dns.ttl.from_text(ttl) + if isinstance(default_ttl, str): + default_ttl = dns.ttl.from_text(default_ttl) + if rdclass is not None: + rdclass = dns.rdataclass.RdataClass.make(rdclass) + else: + rdclass = None + default_rdclass = dns.rdataclass.RdataClass.make(default_rdclass) + if rdtype is not None: + rdtype = dns.rdatatype.RdataType.make(rdtype) + else: + rdtype = None + manager = RRSetsReaderManager(origin, relativize, default_rdclass) + with manager.writer(True) as txn: + tok = dns.tokenizer.Tokenizer(text, "", idna_codec=idna_codec) + reader = Reader( + tok, + default_rdclass, + txn, + allow_directives=False, + force_name=name, + force_ttl=ttl, + force_rdclass=rdclass, + force_rdtype=rdtype, + default_ttl=default_ttl, + ) + reader.read() + return manager.rrsets diff --git a/venv/lib/python3.12/site-packages/dns/zonetypes.py b/venv/lib/python3.12/site-packages/dns/zonetypes.py new file mode 100644 index 0000000..195ee2e --- /dev/null +++ b/venv/lib/python3.12/site-packages/dns/zonetypes.py @@ -0,0 +1,37 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""Common zone-related types.""" + +# This is a separate file to avoid import circularity between dns.zone and +# the implementation of the ZONEMD type. + +import hashlib + +import dns.enum + + +class DigestScheme(dns.enum.IntEnum): + """ZONEMD Scheme""" + + SIMPLE = 1 + + @classmethod + def _maximum(cls): + return 255 + + +class DigestHashAlgorithm(dns.enum.IntEnum): + """ZONEMD Hash Algorithm""" + + SHA384 = 1 + SHA512 = 2 + + @classmethod + def _maximum(cls): + return 255 + + +_digest_hashers = { + DigestHashAlgorithm.SHA384: hashlib.sha384, + DigestHashAlgorithm.SHA512: hashlib.sha512, +} diff --git a/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/METADATA b/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/METADATA new file mode 100644 index 0000000..129184e --- /dev/null +++ b/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/METADATA @@ -0,0 +1,147 @@ +Metadata-Version: 2.1 +Name: dnspython +Version: 2.6.1 +Summary: DNS toolkit +Project-URL: homepage, https://www.dnspython.org +Project-URL: repository, https://github.com/rthalley/dnspython.git +Project-URL: documentation, https://dnspython.readthedocs.io/en/stable/ +Project-URL: issues, https://github.com/rthalley/dnspython/issues +Author-email: Bob Halley +License-Expression: ISC +License-File: LICENSE +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Intended Audience :: System Administrators +Classifier: License :: OSI Approved :: ISC License (ISCL) +Classifier: Operating System :: Microsoft :: Windows +Classifier: Operating System :: POSIX +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: 3.12 +Classifier: Topic :: Internet :: Name Service (DNS) +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Requires-Python: >=3.8 +Provides-Extra: dev +Requires-Dist: black>=23.1.0; extra == 'dev' +Requires-Dist: coverage>=7.0; extra == 'dev' +Requires-Dist: flake8>=7; extra == 'dev' +Requires-Dist: mypy>=1.8; extra == 'dev' +Requires-Dist: pylint>=3; extra == 'dev' +Requires-Dist: pytest-cov>=4.1.0; extra == 'dev' +Requires-Dist: pytest>=7.4; extra == 'dev' +Requires-Dist: sphinx>=7.2.0; extra == 'dev' +Requires-Dist: twine>=4.0.0; extra == 'dev' +Requires-Dist: wheel>=0.42.0; extra == 'dev' +Provides-Extra: dnssec +Requires-Dist: cryptography>=41; extra == 'dnssec' +Provides-Extra: doh +Requires-Dist: h2>=4.1.0; extra == 'doh' +Requires-Dist: httpcore>=1.0.0; extra == 'doh' +Requires-Dist: httpx>=0.26.0; extra == 'doh' +Provides-Extra: doq +Requires-Dist: aioquic>=0.9.25; extra == 'doq' +Provides-Extra: idna +Requires-Dist: idna>=3.6; extra == 'idna' +Provides-Extra: trio +Requires-Dist: trio>=0.23; extra == 'trio' +Provides-Extra: wmi +Requires-Dist: wmi>=1.5.1; extra == 'wmi' +Description-Content-Type: text/markdown + +# dnspython + +[![Build Status](https://github.com/rthalley/dnspython/actions/workflows/python-package.yml/badge.svg)](https://github.com/rthalley/dnspython/actions/) +[![Documentation Status](https://readthedocs.org/projects/dnspython/badge/?version=latest)](https://dnspython.readthedocs.io/en/latest/?badge=latest) +[![PyPI version](https://badge.fury.io/py/dnspython.svg)](https://badge.fury.io/py/dnspython) +[![License: ISC](https://img.shields.io/badge/License-ISC-brightgreen.svg)](https://opensource.org/licenses/ISC) +[![Coverage](https://codecov.io/github/rthalley/dnspython/coverage.svg?branch=master)](https://codecov.io/github/rthalley/dnspython) +[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) + +## INTRODUCTION + +dnspython is a DNS toolkit for Python. It supports almost all record types. It +can be used for queries, zone transfers, and dynamic updates. It supports TSIG +authenticated messages and EDNS0. + +dnspython provides both high and low level access to DNS. The high level classes +perform queries for data of a given name, type, and class, and return an answer +set. The low level classes allow direct manipulation of DNS zones, messages, +names, and records. + +To see a few of the ways dnspython can be used, look in the `examples/` +directory. + +dnspython is a utility to work with DNS, `/etc/hosts` is thus not used. For +simple forward DNS lookups, it's better to use `socket.getaddrinfo()` or +`socket.gethostbyname()`. + +dnspython originated at Nominum where it was developed +to facilitate the testing of DNS software. + +## ABOUT THIS RELEASE + +This is dnspython 2.6.1. +Please read +[What's New](https://dnspython.readthedocs.io/en/stable/whatsnew.html) for +information about the changes in this release. + +## INSTALLATION + +* Many distributions have dnspython packaged for you, so you should + check there first. +* To use a wheel downloaded from PyPi, run: + + pip install dnspython + +* To install from the source code, go into the top-level of the source code + and run: + +``` + pip install --upgrade pip build + python -m build + pip install dist/*.whl +``` + +* To install the latest from the master branch, run `pip install git+https://github.com/rthalley/dnspython.git` + +Dnspython's default installation does not depend on any modules other than +those in the Python standard library. To use some features, additional modules +must be installed. For convenience, pip options are defined for the +requirements. + +If you want to use DNS-over-HTTPS, run +`pip install dnspython[doh]`. + +If you want to use DNSSEC functionality, run +`pip install dnspython[dnssec]`. + +If you want to use internationalized domain names (IDNA) +functionality, you must run +`pip install dnspython[idna]` + +If you want to use the Trio asynchronous I/O package, run +`pip install dnspython[trio]`. + +If you want to use WMI on Windows to determine the active DNS settings +instead of the default registry scanning method, run +`pip install dnspython[wmi]`. + +If you want to try the experimental DNS-over-QUIC code, run +`pip install dnspython[doq]`. + +Note that you can install any combination of the above, e.g.: +`pip install dnspython[doh,dnssec,idna]` + +### Notices + +Python 2.x support ended with the release of 1.16.0. Dnspython 2.0.0 through +2.2.x support Python 3.6 and later. For dnspython 2.3.x, the minimum +supported Python version is 3.7, and for 2.4.x the minimum supported verison is 3.8. +We plan to align future support with the lifetime of the Python 3 versions. + +Documentation has moved to +[dnspython.readthedocs.io](https://dnspython.readthedocs.io). diff --git a/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/RECORD b/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/RECORD new file mode 100644 index 0000000..34a247b --- /dev/null +++ b/venv/lib/python3.12/site-packages/dnspython-2.6.1.dist-info/RECORD @@ -0,0 +1,290 @@ +dns/__init__.py,sha256=YJZtDG14Idw5ui3h1nWooSwPM9gsxQgB8M0GBZ3aly0,1663 +dns/__pycache__/__init__.cpython-312.pyc,, +dns/__pycache__/_asyncbackend.cpython-312.pyc,, +dns/__pycache__/_asyncio_backend.cpython-312.pyc,, +dns/__pycache__/_ddr.cpython-312.pyc,, +dns/__pycache__/_features.cpython-312.pyc,, +dns/__pycache__/_immutable_ctx.cpython-312.pyc,, +dns/__pycache__/_trio_backend.cpython-312.pyc,, 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This is an + opinionated library! +* Normalizes email addresses (important for internationalized + and quoted-string addresses! see below). +* Python type annotations are used. + +This is an opinionated library. You should definitely also consider using +the less-opinionated [pyIsEmail](https://github.com/michaelherold/pyIsEmail) and +[flanker](https://github.com/mailgun/flanker) if they are better for your +use case. + +[![Build Status](https://github.com/JoshData/python-email-validator/actions/workflows/test_and_build.yaml/badge.svg)](https://github.com/JoshData/python-email-validator/actions/workflows/test_and_build.yaml) + +View the [CHANGELOG / Release Notes](CHANGELOG.md) for the version history of changes in the library. Occasionally this README is ahead of the latest published package --- see the CHANGELOG for details. + +--- + +Installation +------------ + +This package [is on PyPI](https://pypi.org/project/email-validator/), so: + +```sh +pip install email-validator +``` + +(You might need to use `pip3` depending on your local environment.) + +Quick Start +----------- + +If you're validating a user's email address before creating a user +account in your application, you might do this: + +```python +from email_validator import validate_email, EmailNotValidError + +email = "my+address@example.org" + +try: + + # Check that the email address is valid. Turn on check_deliverability + # for first-time validations like on account creation pages (but not + # login pages). + emailinfo = validate_email(email, check_deliverability=False) + + # After this point, use only the normalized form of the email address, + # especially before going to a database query. + email = emailinfo.normalized + +except EmailNotValidError as e: + + # The exception message is human-readable explanation of why it's + # not a valid (or deliverable) email address. + print(str(e)) +``` + +This validates the address and gives you its normalized form. You should +**put the normalized form in your database** and always normalize before +checking if an address is in your database. When using this in a login form, +set `check_deliverability` to `False` to avoid unnecessary DNS queries. + +Usage +----- + +### Overview + +The module provides a function `validate_email(email_address)` which +takes an email address and: + +- Raises a `EmailNotValidError` with a helpful, human-readable error + message explaining why the email address is not valid, or +- Returns an object with a normalized form of the email address (which + you should use!) and other information about it. + +When an email address is not valid, `validate_email` raises either an +`EmailSyntaxError` if the form of the address is invalid or an +`EmailUndeliverableError` if the domain name fails DNS checks. Both +exception classes are subclasses of `EmailNotValidError`, which in turn +is a subclass of `ValueError`. + +But when an email address is valid, an object is returned containing +a normalized form of the email address (which you should use!) and +other information. + +The validator doesn't, by default, permit obsoleted forms of email addresses +that no one uses anymore even though they are still valid and deliverable, since +they will probably give you grief if you're using email for login. (See +later in the document about how to allow some obsolete forms.) + +The validator optionally checks that the domain name in the email address has +a DNS MX record indicating that it can receive email. (Except a Null MX record. +If there is no MX record, a fallback A/AAAA-record is permitted, unless +a reject-all SPF record is present.) DNS is slow and sometimes unavailable or +unreliable, so consider whether these checks are useful for your use case and +turn them off if they aren't. +There is nothing to be gained by trying to actually contact an SMTP server, so +that's not done here. For privacy, security, and practicality reasons, servers +are good at not giving away whether an address is +deliverable or not: email addresses that appear to accept mail at first +can bounce mail after a delay, and bounced mail may indicate a temporary +failure of a good email address (sometimes an intentional failure, like +greylisting). + +### Options + +The `validate_email` function also accepts the following keyword arguments +(defaults are as shown below): + +`check_deliverability=True`: If true, DNS queries are made to check that the domain name in the email address (the part after the @-sign) can receive mail, as described above. Set to `False` to skip this DNS-based check. It is recommended to pass `False` when performing validation for login pages (but not account creation pages) since re-validation of a previously validated domain in your database by querying DNS at every login is probably undesirable. You can also set `email_validator.CHECK_DELIVERABILITY` to `False` to turn this off for all calls by default. + +`dns_resolver=None`: Pass an instance of [dns.resolver.Resolver](https://dnspython.readthedocs.io/en/latest/resolver-class.html) to control the DNS resolver including setting a timeout and [a cache](https://dnspython.readthedocs.io/en/latest/resolver-caching.html). The `caching_resolver` function shown below is a helper function to construct a dns.resolver.Resolver with a [LRUCache](https://dnspython.readthedocs.io/en/latest/resolver-caching.html#dns.resolver.LRUCache). Reuse the same resolver instance across calls to `validate_email` to make use of the cache. + +`test_environment=False`: If `True`, DNS-based deliverability checks are disabled and `test` and `**.test` domain names are permitted (see below). You can also set `email_validator.TEST_ENVIRONMENT` to `True` to turn it on for all calls by default. + +`allow_smtputf8=True`: Set to `False` to prohibit internationalized addresses that would + require the + [SMTPUTF8](https://tools.ietf.org/html/rfc6531) extension. You can also set `email_validator.ALLOW_SMTPUTF8` to `False` to turn it off for all calls by default. + +`allow_quoted_local=False`: Set to `True` to allow obscure and potentially problematic email addresses in which the part of the address before the @-sign contains spaces, @-signs, or other surprising characters when the local part is surrounded in quotes (so-called quoted-string local parts). In the object returned by `validate_email`, the normalized local part removes any unnecessary backslash-escaping and even removes the surrounding quotes if the address would be valid without them. You can also set `email_validator.ALLOW_QUOTED_LOCAL` to `True` to turn this on for all calls by default. + +`allow_domain_literal=False`: Set to `True` to allow bracketed IPv4 and "IPv6:"-prefixd IPv6 addresses in the domain part of the email address. No deliverability checks are performed for these addresses. In the object returned by `validate_email`, the normalized domain will use the condensed IPv6 format, if applicable. The object's `domain_address` attribute will hold the parsed `ipaddress.IPv4Address` or `ipaddress.IPv6Address` object if applicable. You can also set `email_validator.ALLOW_DOMAIN_LITERAL` to `True` to turn this on for all calls by default. + +`allow_empty_local=False`: Set to `True` to allow an empty local part (i.e. + `@example.com`), e.g. for validating Postfix aliases. + + +### DNS timeout and cache + +When validating many email addresses or to control the timeout (the default is 15 seconds), create a caching [dns.resolver.Resolver](https://dnspython.readthedocs.io/en/latest/resolver-class.html) to reuse in each call. The `caching_resolver` function returns one easily for you: + +```python +from email_validator import validate_email, caching_resolver + +resolver = caching_resolver(timeout=10) + +while True: + validate_email(email, dns_resolver=resolver) +``` + +### Test addresses + +This library rejects email addresess that use the [Special Use Domain Names](https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml) `invalid`, `localhost`, `test`, and some others by raising `EmailSyntaxError`. This is to protect your system from abuse: You probably don't want a user to be able to cause an email to be sent to `localhost` (although they might be able to still do so via a malicious MX record). However, in your non-production test environments you may want to use `@test` or `@myname.test` email addresses. There are three ways you can allow this: + +1. Add `test_environment=True` to the call to `validate_email` (see above). +2. Set `email_validator.TEST_ENVIRONMENT` to `True` globally. +3. Remove the special-use domain name that you want to use from `email_validator.SPECIAL_USE_DOMAIN_NAMES`, e.g.: + +```python +import email_validator +email_validator.SPECIAL_USE_DOMAIN_NAMES.remove("test") +``` + +It is tempting to use `@example.com/net/org` in tests. They are *not* in this library's `SPECIAL_USE_DOMAIN_NAMES` list so you can, but shouldn't, use them. These domains are reserved to IANA for use in documentation so there is no risk of accidentally emailing someone at those domains. But beware that this library will nevertheless reject these domain names if DNS-based deliverability checks are not disabled because these domains do not resolve to domains that accept email. In tests, consider using your own domain name or `@test` or `@myname.test` instead. + +Internationalized email addresses +--------------------------------- + +The email protocol SMTP and the domain name system DNS have historically +only allowed English (ASCII) characters in email addresses and domain names, +respectively. Each has adapted to internationalization in a separate +way, creating two separate aspects to email address +internationalization. + +### Internationalized domain names (IDN) + +The first is [internationalized domain names (RFC +5891)](https://tools.ietf.org/html/rfc5891), a.k.a IDNA 2008. The DNS +system has not been updated with Unicode support. Instead, internationalized +domain names are converted into a special IDNA ASCII "[Punycode](https://www.rfc-editor.org/rfc/rfc3492.txt)" +form starting with `xn--`. When an email address has non-ASCII +characters in its domain part, the domain part is replaced with its IDNA +ASCII equivalent form in the process of mail transmission. Your mail +submission library probably does this for you transparently. ([Compliance +around the web is not very good though](http://archives.miloush.net/michkap/archive/2012/02/27/10273315.html).) This library conforms to IDNA 2008 +using the [idna](https://github.com/kjd/idna) module by Kim Davies. + +### Internationalized local parts + +The second sort of internationalization is internationalization in the +*local* part of the address (before the @-sign). In non-internationalized +email addresses, only English letters, numbers, and some punctuation +(`._!#$%&'^``*+-=~/?{|}`) are allowed. In internationalized email address +local parts, a wider range of Unicode characters are allowed. + +A surprisingly large number of Unicode characters are not safe to display, +especially when the email address is concatenated with other text, so this +library tries to protect you by not permitting resvered, non-, private use, +formatting (which can be used to alter the display order of characters), +whitespace, and control characters, and combining characters +as the first character of the local part and the domain name (so that they +cannot combine with something outside of the email address string or with +the @-sign). See https://qntm.org/safe and https://trojansource.codes/ +for relevant prior work. (Other than whitespace, these are checks that +you should be applying to nearly all user inputs in a security-sensitive +context.) + +These character checks are performed after Unicode normalization (see below), +so you are only fully protected if you replace all user-provided email addresses +with the normalized email address string returned by this library. This does not +guard against the well known problem that many Unicode characters look alike +(or are identical), which can be used to fool humans reading displayed text. + +Email addresses with these non-ASCII characters require that your mail +submission library and the mail servers along the route to the destination, +including your own outbound mail server, all support the +[SMTPUTF8 (RFC 6531)](https://tools.ietf.org/html/rfc6531) extension. +Support for SMTPUTF8 varies. See the `allow_smtputf8` parameter. + +### If you know ahead of time that SMTPUTF8 is not supported by your mail submission stack + +By default all internationalized forms are accepted by the validator. +But if you know ahead of time that SMTPUTF8 is not supported by your +mail submission stack, then you must filter out addresses that require +SMTPUTF8 using the `allow_smtputf8=False` keyword argument (see above). +This will cause the validation function to raise a `EmailSyntaxError` if +delivery would require SMTPUTF8. That's just in those cases where +non-ASCII characters appear before the @-sign. If you do not set +`allow_smtputf8=False`, you can also check the value of the `smtputf8` +field in the returned object. + +If your mail submission library doesn't support Unicode at all --- even +in the domain part of the address --- then immediately prior to mail +submission you must replace the email address with its ASCII-ized form. +This library gives you back the ASCII-ized form in the `ascii_email` +field in the returned object, which you can get like this: + +```python +emailinfo = validate_email(email, allow_smtputf8=False) +email = emailinfo.ascii_email +``` + +The local part is left alone (if it has internationalized characters +`allow_smtputf8=False` will force validation to fail) and the domain +part is converted to [IDNA ASCII](https://tools.ietf.org/html/rfc5891). +(You probably should not do this at account creation time so you don't +change the user's login information without telling them.) + +Normalization +------------- + +### Unicode Normalization + +The use of Unicode in email addresses introduced a normalization +problem. Different Unicode strings can look identical and have the same +semantic meaning to the user. The `normalized` field returned on successful +validation provides the correctly normalized form of the given email +address. + +For example, the CJK fullwidth Latin letters are considered semantically +equivalent in domain names to their ASCII counterparts. This library +normalizes them to their ASCII counterparts: + +```python +emailinfo = validate_email("me@Ｄｏｍａｉｎ.com") +print(emailinfo.normalized) +print(emailinfo.ascii_email) +# prints "me@domain.com" twice +``` + +Because an end-user might type their email address in different (but +equivalent) un-normalized forms at different times, you ought to +replace what they enter with the normalized form immediately prior to +going into your database (during account creation), querying your database +(during login), or sending outbound mail. Normalization may also change +the length of an email address, and this may affect whether it is valid +and acceptable by your SMTP provider. + +The normalizations include lowercasing the domain part of the email +address (domain names are case-insensitive), [Unicode "NFC" +normalization](https://en.wikipedia.org/wiki/Unicode_equivalence) of the +whole address (which turns characters plus [combining +characters](https://en.wikipedia.org/wiki/Combining_character) into +precomposed characters where possible, replacement of [fullwidth and +halfwidth +characters](https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms) +in the domain part, possibly other +[UTS46](http://unicode.org/reports/tr46) mappings on the domain part, +and conversion from Punycode to Unicode characters. + +(See [RFC 6532 (internationalized email) section +3.1](https://tools.ietf.org/html/rfc6532#section-3.1) and [RFC 5895 +(IDNA 2008) section 2](http://www.ietf.org/rfc/rfc5895.txt).) + +### Other Normalization + +Normalization is also applied to quoted-string local parts and domain +literal IPv6 addresses if you have allowed them by the `allow_quoted_local` +and `allow_domain_literal` options. In quoted-string local parts, unnecessary +backslash escaping is removed and even the surrounding quotes are removed if +they are unnecessary. For IPv6 domain literals, the IPv6 address is +normalized to condensed form. [RFC 2142](https://datatracker.ietf.org/doc/html/rfc2142) +also requires lowercase normalization for some specific mailbox names like `postmaster@`. + +Examples +-------- + +For the email address `test@joshdata.me`, the returned object is: + +```python +ValidatedEmail( + normalized='test@joshdata.me', + local_part='test', + domain='joshdata.me', + ascii_email='test@joshdata.me', + ascii_local_part='test', + ascii_domain='joshdata.me', + smtputf8=False) +``` + +For the fictitious but valid address `example@ツ.ⓁⒾⒻⒺ`, which has an +internationalized domain but ASCII local part, the returned object is: + +```python +ValidatedEmail( + normalized='example@ツ.life', + local_part='example', + domain='ツ.life', + ascii_email='example@xn--bdk.life', + ascii_local_part='example', + ascii_domain='xn--bdk.life', + smtputf8=False) + +``` + +Note that `normalized` and other fields provide a normalized form of the +email address, domain name, and (in other cases) local part (see earlier +discussion of normalization), which you should use in your database. + +Calling `validate_email` with the ASCII form of the above email address, +`example@xn--bdk.life`, returns the exact same information (i.e., the +`normalized` field always will contain Unicode characters, not Punycode). + +For the fictitious address `ツ-test@joshdata.me`, which has an +internationalized local part, the returned object is: + +```python +ValidatedEmail( + normalized='ツ-test@joshdata.me', + local_part='ツ-test', + domain='joshdata.me', + ascii_email=None, + ascii_local_part=None, + ascii_domain='joshdata.me', + smtputf8=True) +``` + +Now `smtputf8` is `True` and `ascii_email` is `None` because the local +part of the address is internationalized. The `local_part` and `normalized` fields +return the normalized form of the address. + +Return value +------------ + +When an email address passes validation, the fields in the returned object +are: + +| Field | Value | +| -----:|-------| +| `normalized` | The normalized form of the email address that you should put in your database. This combines the `local_part` and `domain` fields (see below). | +| `ascii_email` | If set, an ASCII-only form of the normalized email address by replacing the domain part with [IDNA](https://tools.ietf.org/html/rfc5891) [Punycode](https://www.rfc-editor.org/rfc/rfc3492.txt). This field will be present when an ASCII-only form of the email address exists (including if the email address is already ASCII). If the local part of the email address contains internationalized characters, `ascii_email` will be `None`. If set, it merely combines `ascii_local_part` and `ascii_domain`. | +| `local_part` | The normalized local part of the given email address (before the @-sign). Normalization includes Unicode NFC normalization and removing unnecessary quoted-string quotes and backslashes. If `allow_quoted_local` is True and the surrounding quotes are necessary, the quotes _will_ be present in this field. | +| `ascii_local_part` | If set, the local part, which is composed of ASCII characters only. | +| `domain` | The canonical internationalized Unicode form of the domain part of the email address. If the returned string contains non-ASCII characters, either the [SMTPUTF8](https://tools.ietf.org/html/rfc6531) feature of your mail relay will be required to transmit the message or else the email address's domain part must be converted to IDNA ASCII first: Use `ascii_domain` field instead. | +| `ascii_domain` | The [IDNA](https://tools.ietf.org/html/rfc5891) [Punycode](https://www.rfc-editor.org/rfc/rfc3492.txt)-encoded form of the domain part of the given email address, as it would be transmitted on the wire. | +| `domain_address` | If domain literals are allowed and if the email address contains one, an `ipaddress.IPv4Address` or `ipaddress.IPv6Address` object. | +| `smtputf8` | A boolean indicating that the [SMTPUTF8](https://tools.ietf.org/html/rfc6531) feature of your mail relay will be required to transmit messages to this address because the local part of the address has non-ASCII characters (the local part cannot be IDNA-encoded). If `allow_smtputf8=False` is passed as an argument, this flag will always be false because an exception is raised if it would have been true. | +| `mx` | A list of (priority, domain) tuples of MX records specified in the DNS for the domain (see [RFC 5321 section 5](https://tools.ietf.org/html/rfc5321#section-5)). May be `None` if the deliverability check could not be completed because of a temporary issue like a timeout. | +| `mx_fallback_type` | `None` if an `MX` record is found. If no MX records are actually specified in DNS and instead are inferred, through an obsolete mechanism, from A or AAAA records, the value is the type of DNS record used instead (`A` or `AAAA`). May be `None` if the deliverability check could not be completed because of a temporary issue like a timeout. | +| `spf` | Any SPF record found while checking deliverability. Only set if the SPF record is queried. | + +Assumptions +----------- + +By design, this validator does not pass all email addresses that +strictly conform to the standards. Many email address forms are obsolete +or likely to cause trouble: + +* The validator assumes the email address is intended to be + usable on the public Internet. The domain part + of the email address must be a resolvable domain name + (see the deliverability checks described above). + Most [Special Use Domain Names](https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml) + and their subdomains, as well as + domain names without a `.`, are rejected as a syntax error + (except see the `test_environment` parameter above). +* Obsolete email syntaxes are rejected: + The unusual ["(comment)" syntax](https://github.com/JoshData/python-email-validator/issues/77) + is rejected. Extremely old obsolete syntaxes are + rejected. Quoted-string local parts and domain-literal addresses + are rejected by default, but there are options to allow them (see above). + No one uses these forms anymore, and I can't think of any reason why anyone + using this library would need to accept them. + + +Testing +------- + +Tests can be run using + +```sh +pip install -r test_requirements.txt +make test +``` + +Tests run with mocked DNS responses. When adding or changing tests, temporarily turn on the `BUILD_MOCKED_DNS_RESPONSE_DATA` flag in `tests/mocked_dns_responses.py` to re-build the database of mocked responses from live queries. + +For Project Maintainers +----------------------- + +The package is distributed as a universal wheel and as a source package. + +To release: + +* Update CHANGELOG.md. +* Update the version number in setup.cfg. +* Make & push a commit with the new version number and make sure tests pass. +* Make & push a tag (see command below). +* Make a release at https://github.com/JoshData/python-email-validator/releases/new. +* Publish a source and wheel distribution to pypi (see command below). + +```sh +git tag v$(grep version setup.cfg | sed "s/.*= //") +git push --tags +./release_to_pypi.sh +``` diff --git a/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/RECORD b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/RECORD new file mode 100644 index 0000000..3d033ae --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/RECORD @@ -0,0 +1,24 @@ +../../../bin/email_validator,sha256=wvCgZRo3SIAYkwRpIFTNyYzxc-4Q_D4d17mRJOcNPak,265 +email_validator-2.0.0.post2.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +email_validator-2.0.0.post2.dist-info/LICENSE,sha256=ogEPNDSH0_dhiv_lT3ifVIdgIzHAqNA_SemnxUfPBJk,7048 +email_validator-2.0.0.post2.dist-info/METADATA,sha256=ZIdyrE5EFPXTpYEGRmQSR1aRvtKCPZ4AvDtVqPWv51Q,25413 +email_validator-2.0.0.post2.dist-info/RECORD,, +email_validator-2.0.0.post2.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +email_validator-2.0.0.post2.dist-info/WHEEL,sha256=G16H4A3IeoQmnOrYV4ueZGKSjhipXx8zc8nu9FGlvMA,92 +email_validator-2.0.0.post2.dist-info/entry_points.txt,sha256=zRM_6bNIUSHTbNx5u6M3nK1MAguvryrc9hICC6HyrBg,66 +email_validator-2.0.0.post2.dist-info/top_level.txt,sha256=fYDOSWFZke46ut7WqdOAJjjhlpPYAaOwOwIsh3s8oWI,16 +email_validator/__init__.py,sha256=4XQoz2JDUsvdDuvOqU7LV23QJrqwqYfycv4sVBK6BqA,4189 +email_validator/__main__.py,sha256=SgarDcfH3W5KlcuUi6aaiQPqMdL3C-mOZVnTS6WesS4,2146 +email_validator/__pycache__/__init__.cpython-312.pyc,, +email_validator/__pycache__/__main__.cpython-312.pyc,, +email_validator/__pycache__/deliverability.cpython-312.pyc,, +email_validator/__pycache__/exceptions_types.cpython-312.pyc,, +email_validator/__pycache__/rfc_constants.cpython-312.pyc,, +email_validator/__pycache__/syntax.cpython-312.pyc,, +email_validator/__pycache__/validate_email.cpython-312.pyc,, +email_validator/deliverability.py,sha256=it2lcdg-uML_-AVXOWQ6FbUW0bJjtViVEh-w2Im1E3g,5861 +email_validator/exceptions_types.py,sha256=ruD1Xz-BLuagbfihbwSqFDNf9AHpfUwjG1oryoMwh6k,5524 +email_validator/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +email_validator/rfc_constants.py,sha256=2yJVQgKFaVcG2CV-XT4PWevBUjAPVHRycgzOpBaqRZE,2720 +email_validator/syntax.py,sha256=qr4QaQW_wP-_KR54ZDGjKeZYC9jx_GZ5X8sTX60RMf4,23969 +email_validator/validate_email.py,sha256=17194Ndck9xtrhrXb5K_nLi_2m7SSq4tdGK2x--fr1A,9062 diff --git a/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/REQUESTED b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/WHEEL b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/WHEEL new file mode 100644 index 0000000..becc9a6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.37.1) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/entry_points.txt b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/entry_points.txt new file mode 100644 index 0000000..03c6e23 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/entry_points.txt @@ -0,0 +1,2 @@ +[console_scripts] +email_validator = email_validator.__main__:main diff --git a/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/top_level.txt new file mode 100644 index 0000000..798fd5e --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator-2.0.0.post2.dist-info/top_level.txt @@ -0,0 +1 @@ +email_validator diff --git a/venv/lib/python3.12/site-packages/email_validator/__init__.py b/venv/lib/python3.12/site-packages/email_validator/__init__.py new file mode 100644 index 0000000..d5f26a2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator/__init__.py @@ -0,0 +1,98 @@ +# -*- coding: utf-8 -*- + +# Export the main method, helper methods, and the public data types. +from .exceptions_types import ValidatedEmail, EmailNotValidError, \ + EmailSyntaxError, EmailUndeliverableError +from .validate_email import validate_email + + +__all__ = ["validate_email", + "ValidatedEmail", "EmailNotValidError", + "EmailSyntaxError", "EmailUndeliverableError", + "caching_resolver"] + + +def caching_resolver(*args, **kwargs): + # Lazy load `deliverability` as it is slow to import (due to dns.resolver) + from .deliverability import caching_resolver + + return caching_resolver(*args, **kwargs) + + +# These global attributes are a part of the library's API and can be +# changed by library users. + +# Default values for keyword arguments. + +ALLOW_SMTPUTF8 = True +ALLOW_QUOTED_LOCAL = False +ALLOW_DOMAIN_LITERAL = False +GLOBALLY_DELIVERABLE = True +CHECK_DELIVERABILITY = True +TEST_ENVIRONMENT = False +DEFAULT_TIMEOUT = 15 # secs + +# IANA Special Use Domain Names +# Last Updated 2021-09-21 +# https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.txt +# +# The domain names without dots would be caught by the check that the domain +# name in an email address must have a period, but this list will also catch +# subdomains of these domains, which are also reserved. +SPECIAL_USE_DOMAIN_NAMES = [ + # The "arpa" entry here is consolidated from a lot of arpa subdomains + # for private address (i.e. non-routable IP addresses like 172.16.x.x) + # reverse mapping, plus some other subdomains. Although RFC 6761 says + # that application software should not treat these domains as special, + # they are private-use domains and so cannot have globally deliverable + # email addresses, which is an assumption of this library, and probably + # all of arpa is similarly special-use, so we reject it all. + "arpa", + + # RFC 6761 says applications "SHOULD NOT" treat the "example" domains + # as special, i.e. applications should accept these domains. + # + # The domain "example" alone fails our syntax validation because it + # lacks a dot (we assume no one has an email address on a TLD directly). + # "@example.com/net/org" will currently fail DNS-based deliverability + # checks because IANA publishes a NULL MX for these domains, and + # "@mail.example[.com/net/org]" and other subdomains will fail DNS- + # based deliverability checks because IANA does not publish MX or A + # DNS records for these subdomains. + # "example", # i.e. "wwww.example" + # "example.com", + # "example.net", + # "example.org", + + # RFC 6761 says that applications are permitted to treat this domain + # as special and that DNS should return an immediate negative response, + # so we also immediately reject this domain, which also follows the + # purpose of the domain. + "invalid", + + # RFC 6762 says that applications "may" treat ".local" as special and + # that "name resolution APIs and libraries SHOULD recognize these names + # as special," and since ".local" has no global definition, we reject + # it, as we expect email addresses to be gloally routable. + "local", + + # RFC 6761 says that applications (like this library) are permitted + # to treat "localhost" as special, and since it cannot have a globally + # deliverable email address, we reject it. + "localhost", + + # RFC 7686 says "applications that do not implement the Tor protocol + # SHOULD generate an error upon the use of .onion and SHOULD NOT + # perform a DNS lookup. + "onion", + + # Although RFC 6761 says that application software should not treat + # these domains as special, it also warns users that the address may + # resolve differently in different systems, and therefore it cannot + # have a globally routable email address, which is an assumption of + # this library, so we reject "@test" and "@*.test" addresses, unless + # the test_environment keyword argument is given, to allow their use + # in application-level test environments. These domains will generally + # fail deliverability checks because "test" is not an actual TLD. + "test", +] diff --git a/venv/lib/python3.12/site-packages/email_validator/__main__.py b/venv/lib/python3.12/site-packages/email_validator/__main__.py new file mode 100644 index 0000000..a414ff6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator/__main__.py @@ -0,0 +1,59 @@ +# A command-line tool for testing. +# +# Usage: +# +# python -m email_validator test@example.org +# python -m email_validator < LIST_OF_ADDRESSES.TXT +# +# Provide email addresses to validate either as a command-line argument +# or in STDIN separated by newlines. Validation errors will be printed for +# invalid email addresses. When passing an email address on the command +# line, if the email address is valid, information about it will be printed. +# When using STDIN, no output will be given for valid email addresses. +# +# Keyword arguments to validate_email can be set in environment variables +# of the same name but upprcase (see below). + +import json +import os +import sys + +from .validate_email import validate_email +from .deliverability import caching_resolver +from .exceptions_types import EmailNotValidError + + +def main(dns_resolver=None): + # The dns_resolver argument is for tests. + + # Set options from environment variables. + options = {} + for varname in ('ALLOW_SMTPUTF8', 'ALLOW_QUOTED_LOCAL', 'ALLOW_DOMAIN_LITERAL', + 'GLOBALLY_DELIVERABLE', 'CHECK_DELIVERABILITY', 'TEST_ENVIRONMENT'): + if varname in os.environ: + options[varname.lower()] = bool(os.environ[varname]) + for varname in ('DEFAULT_TIMEOUT',): + if varname in os.environ: + options[varname.lower()] = float(os.environ[varname]) + + if len(sys.argv) == 1: + # Validate the email addresses pased line-by-line on STDIN. + dns_resolver = dns_resolver or caching_resolver() + for line in sys.stdin: + email = line.strip() + try: + validate_email(email, dns_resolver=dns_resolver, **options) + except EmailNotValidError as e: + print(f"{email} {e}") + else: + # Validate the email address passed on the command line. + email = sys.argv[1] + try: + result = validate_email(email, dns_resolver=dns_resolver, **options) + print(json.dumps(result.as_dict(), indent=2, sort_keys=True, ensure_ascii=False)) + except EmailNotValidError as e: + print(e) + + +if __name__ == "__main__": + main() diff --git a/venv/lib/python3.12/site-packages/email_validator/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/email_validator/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..30d65ed Binary files /dev/null and b/venv/lib/python3.12/site-packages/email_validator/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/email_validator/__pycache__/__main__.cpython-312.pyc b/venv/lib/python3.12/site-packages/email_validator/__pycache__/__main__.cpython-312.pyc new file mode 100644 index 0000000..f61e8e0 Binary files /dev/null and b/venv/lib/python3.12/site-packages/email_validator/__pycache__/__main__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/email_validator/__pycache__/deliverability.cpython-312.pyc b/venv/lib/python3.12/site-packages/email_validator/__pycache__/deliverability.cpython-312.pyc new file mode 100644 index 0000000..58014ed Binary files /dev/null and b/venv/lib/python3.12/site-packages/email_validator/__pycache__/deliverability.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/email_validator/__pycache__/exceptions_types.cpython-312.pyc b/venv/lib/python3.12/site-packages/email_validator/__pycache__/exceptions_types.cpython-312.pyc new file mode 100644 index 0000000..6cd810f Binary files /dev/null and b/venv/lib/python3.12/site-packages/email_validator/__pycache__/exceptions_types.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/email_validator/__pycache__/rfc_constants.cpython-312.pyc b/venv/lib/python3.12/site-packages/email_validator/__pycache__/rfc_constants.cpython-312.pyc new file mode 100644 index 0000000..76fb03f Binary files /dev/null and b/venv/lib/python3.12/site-packages/email_validator/__pycache__/rfc_constants.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/email_validator/__pycache__/syntax.cpython-312.pyc b/venv/lib/python3.12/site-packages/email_validator/__pycache__/syntax.cpython-312.pyc new file mode 100644 index 0000000..8b48ee5 Binary files /dev/null and b/venv/lib/python3.12/site-packages/email_validator/__pycache__/syntax.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/email_validator/__pycache__/validate_email.cpython-312.pyc b/venv/lib/python3.12/site-packages/email_validator/__pycache__/validate_email.cpython-312.pyc new file mode 100644 index 0000000..1a5c12d Binary files /dev/null and b/venv/lib/python3.12/site-packages/email_validator/__pycache__/validate_email.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/email_validator/deliverability.py b/venv/lib/python3.12/site-packages/email_validator/deliverability.py new file mode 100644 index 0000000..4846091 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator/deliverability.py @@ -0,0 +1,127 @@ +from typing import Optional, Any, Dict + +from .exceptions_types import EmailUndeliverableError + +import dns.resolver +import dns.exception + + +def caching_resolver(*, timeout: Optional[int] = None, cache=None): + if timeout is None: + from . import DEFAULT_TIMEOUT + timeout = DEFAULT_TIMEOUT + resolver = dns.resolver.Resolver() + resolver.cache = cache or dns.resolver.LRUCache() # type: ignore + resolver.lifetime = timeout # type: ignore # timeout, in seconds + return resolver + + +def validate_email_deliverability(domain: str, domain_i18n: str, timeout: Optional[int] = None, dns_resolver=None): + # Check that the domain resolves to an MX record. If there is no MX record, + # try an A or AAAA record which is a deprecated fallback for deliverability. + # Raises an EmailUndeliverableError on failure. On success, returns a dict + # with deliverability information. + + # If no dns.resolver.Resolver was given, get dnspython's default resolver. + # Override the default resolver's timeout. This may affect other uses of + # dnspython in this process. + if dns_resolver is None: + from . import DEFAULT_TIMEOUT + if timeout is None: + timeout = DEFAULT_TIMEOUT + dns_resolver = dns.resolver.get_default_resolver() + dns_resolver.lifetime = timeout + elif timeout is not None: + raise ValueError("It's not valid to pass both timeout and dns_resolver.") + + deliverability_info: Dict[str, Any] = {} + + try: + try: + # Try resolving for MX records (RFC 5321 Section 5). + response = dns_resolver.resolve(domain, "MX") + + # For reporting, put them in priority order and remove the trailing dot in the qnames. + mtas = sorted([(r.preference, str(r.exchange).rstrip('.')) for r in response]) + + # RFC 7505: Null MX (0, ".") records signify the domain does not accept email. + # Remove null MX records from the mtas list (but we've stripped trailing dots, + # so the 'exchange' is just "") so we can check if there are no non-null MX + # records remaining. + mtas = [(preference, exchange) for preference, exchange in mtas + if exchange != ""] + if len(mtas) == 0: # null MX only, if there were no MX records originally a NoAnswer exception would have occurred + raise EmailUndeliverableError(f"The domain name {domain_i18n} does not accept email.") + + deliverability_info["mx"] = mtas + deliverability_info["mx_fallback_type"] = None + + except dns.resolver.NoAnswer: + # If there was no MX record, fall back to an A record. (RFC 5321 Section 5) + try: + response = dns_resolver.resolve(domain, "A") + deliverability_info["mx"] = [(0, str(r)) for r in response] + deliverability_info["mx_fallback_type"] = "A" + + except dns.resolver.NoAnswer: + + # If there was no A record, fall back to an AAAA record. + # (It's unclear if SMTP servers actually do this.) + try: + response = dns_resolver.resolve(domain, "AAAA") + deliverability_info["mx"] = [(0, str(r)) for r in response] + deliverability_info["mx_fallback_type"] = "AAAA" + + except dns.resolver.NoAnswer: + # If there was no MX, A, or AAAA record, then mail to + # this domain is not deliverable, although the domain + # name has other records (otherwise NXDOMAIN would + # have been raised). + raise EmailUndeliverableError(f"The domain name {domain_i18n} does not accept email.") + + # Check for a SPF (RFC 7208) reject-all record ("v=spf1 -all") which indicates + # no emails are sent from this domain (similar to a Null MX record + # but for sending rather than receiving). In combination with the + # absence of an MX record, this is probably a good sign that the + # domain is not used for email. + try: + response = dns_resolver.resolve(domain, "TXT") + for rec in response: + value = b"".join(rec.strings) + if value.startswith(b"v=spf1 "): + deliverability_info["spf"] = value.decode("ascii", errors='replace') + if value == b"v=spf1 -all": + raise EmailUndeliverableError(f"The domain name {domain_i18n} does not send email.") + except dns.resolver.NoAnswer: + # No TXT records means there is no SPF policy, so we cannot take any action. + pass + + except dns.resolver.NXDOMAIN: + # The domain name does not exist --- there are no records of any sort + # for the domain name. + raise EmailUndeliverableError(f"The domain name {domain_i18n} does not exist.") + + except dns.resolver.NoNameservers: + # All nameservers failed to answer the query. This might be a problem + # with local nameservers, maybe? We'll allow the domain to go through. + return { + "unknown-deliverability": "no_nameservers", + } + + except dns.exception.Timeout: + # A timeout could occur for various reasons, so don't treat it as a failure. + return { + "unknown-deliverability": "timeout", + } + + except EmailUndeliverableError: + # Don't let these get clobbered by the wider except block below. + raise + + except Exception as e: + # Unhandled conditions should not propagate. + raise EmailUndeliverableError( + "There was an error while checking if the domain name in the email address is deliverable: " + str(e) + ) + + return deliverability_info diff --git a/venv/lib/python3.12/site-packages/email_validator/exceptions_types.py b/venv/lib/python3.12/site-packages/email_validator/exceptions_types.py new file mode 100644 index 0000000..9a1b331 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator/exceptions_types.py @@ -0,0 +1,137 @@ +import warnings +from typing import Optional + + +class EmailNotValidError(ValueError): + """Parent class of all exceptions raised by this module.""" + pass + + +class EmailSyntaxError(EmailNotValidError): + """Exception raised when an email address fails validation because of its form.""" + pass + + +class EmailUndeliverableError(EmailNotValidError): + """Exception raised when an email address fails validation because its domain name does not appear deliverable.""" + pass + + +class ValidatedEmail(object): + """The validate_email function returns objects of this type holding the normalized form of the email address + and other information.""" + + """The email address that was passed to validate_email. (If passed as bytes, this will be a string.)""" + original: str + + """The normalized email address, which should always be used in preferance to the original address. + The normalized address converts an IDNA ASCII domain name to Unicode, if possible, and performs + Unicode normalization on the local part and on the domain (if originally Unicode). It is the + concatenation of the local_part and domain attributes, separated by an @-sign.""" + normalized: str + + """The local part of the email address after Unicode normalization.""" + local_part: str + + """The domain part of the email address after Unicode normalization or conversion to + Unicode from IDNA ascii.""" + domain: str + + """If the domain part is a domain literal, the IPv4Address or IPv6Address object.""" + domain_address: object + + """If not None, a form of the email address that uses 7-bit ASCII characters only.""" + ascii_email: Optional[str] + + """If not None, the local part of the email address using 7-bit ASCII characters only.""" + ascii_local_part: Optional[str] + + """A form of the domain name that uses 7-bit ASCII characters only.""" + ascii_domain: str + + """If True, the SMTPUTF8 feature of your mail relay will be required to transmit messages + to this address. This flag is True just when ascii_local_part is missing. Otherwise it + is False.""" + smtputf8: bool + + """If a deliverability check is performed and if it succeeds, a list of (priority, domain) + tuples of MX records specified in the DNS for the domain.""" + mx: list + + """If no MX records are actually specified in DNS and instead are inferred, through an obsolete + mechanism, from A or AAAA records, the value is the type of DNS record used instead (`A` or `AAAA`).""" + mx_fallback_type: str + + """Tests use this constructor.""" + def __init__(self, **kwargs): + for k, v in kwargs.items(): + setattr(self, k, v) + + def __repr__(self): + return f"" + + """For backwards compatibility, support old field names.""" + def __getattr__(self, key): + if key == "original_email": + return self.original + if key == "email": + return self.normalized + raise AttributeError() + + """For backwards compatibility, some fields are also exposed through a dict-like interface. Note + that some of the names changed when they became attributes.""" + def __getitem__(self, key): + warnings.warn("dict-like access to the return value of validate_email is deprecated and may not be supported in the future.", DeprecationWarning, stacklevel=2) + if key == "email": + return self.normalized + if key == "email_ascii": + return self.ascii_email + if key == "local": + return self.local_part + if key == "domain": + return self.ascii_domain + if key == "domain_i18n": + return self.domain + if key == "smtputf8": + return self.smtputf8 + if key == "mx": + return self.mx + if key == "mx-fallback": + return self.mx_fallback_type + raise KeyError() + + """Tests use this.""" + def __eq__(self, other): + if not isinstance(other, ValidatedEmail): + return False + return ( + self.normalized == other.normalized + and self.local_part == other.local_part + and self.domain == other.domain + and getattr(self, 'ascii_email', None) == getattr(other, 'ascii_email', None) + and getattr(self, 'ascii_local_part', None) == getattr(other, 'ascii_local_part', None) + and getattr(self, 'ascii_domain', None) == getattr(other, 'ascii_domain', None) + and self.smtputf8 == other.smtputf8 + and repr(sorted(self.mx) if getattr(self, 'mx', None) else None) + == repr(sorted(other.mx) if getattr(other, 'mx', None) else None) + and getattr(self, 'mx_fallback_type', None) == getattr(other, 'mx_fallback_type', None) + ) + + """This helps producing the README.""" + def as_constructor(self): + return "ValidatedEmail(" \ + + ",".join("\n {}={}".format( + key, + repr(getattr(self, key))) + for key in ('email', 'local_part', 'domain', + 'ascii_email', 'ascii_local_part', 'ascii_domain', + 'smtputf8', 'mx', 'mx_fallback_type') + ) \ + + ")" + + """Convenience method for accessing ValidatedEmail as a dict""" + def as_dict(self): + d = self.__dict__ + if d.get('domain_address'): + d['domain_address'] = repr(d['domain_address']) + return d diff --git a/venv/lib/python3.12/site-packages/email_validator/py.typed b/venv/lib/python3.12/site-packages/email_validator/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/email_validator/rfc_constants.py b/venv/lib/python3.12/site-packages/email_validator/rfc_constants.py new file mode 100644 index 0000000..d5961d6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator/rfc_constants.py @@ -0,0 +1,52 @@ +# These constants are defined by the email specifications. + +import re + +# Based on RFC 5322 3.2.3, these characters are permitted in email +# addresses (not taking into account internationalization) separated by dots: +ATEXT = r'a-zA-Z0-9_!#\$%&\'\*\+\-/=\?\^`\{\|\}~' +ATEXT_RE = re.compile('[.' + ATEXT + ']') # ATEXT plus dots +DOT_ATOM_TEXT = re.compile('[' + ATEXT + ']+(?:\\.[' + ATEXT + r']+)*\Z') + +# RFC 6531 3.3 extends the allowed characters in internationalized +# addresses to also include three specific ranges of UTF8 defined in +# RFC 3629 section 4, which appear to be the Unicode code points from +# U+0080 to U+10FFFF. +ATEXT_INTL = ATEXT + u"\u0080-\U0010FFFF" +ATEXT_INTL_RE = re.compile('[.' + ATEXT_INTL + ']') # ATEXT_INTL plus dots +DOT_ATOM_TEXT_INTL = re.compile('[' + ATEXT_INTL + ']+(?:\\.[' + ATEXT_INTL + r']+)*\Z') + +# The domain part of the email address, after IDNA (ASCII) encoding, +# must also satisfy the requirements of RFC 952/RFC 1123 2.1 which +# restrict the allowed characters of hostnames further. +ATEXT_HOSTNAME_INTL = re.compile(r"[a-zA-Z0-9\-\." + "\u0080-\U0010FFFF" + "]") +HOSTNAME_LABEL = r'(?:(?:[a-zA-Z0-9][a-zA-Z0-9\-]*)?[a-zA-Z0-9])' +DOT_ATOM_TEXT_HOSTNAME = re.compile(HOSTNAME_LABEL + r'(?:\.' + HOSTNAME_LABEL + r')*\Z') +DOMAIN_NAME_REGEX = re.compile(r"[A-Za-z]\Z") # all TLDs currently end with a letter + +# Domain literal (RFC 5322 3.4.1) +DOMAIN_LITERAL_CHARS = re.compile(r"[\u0021-\u00FA\u005E-\u007E]") + +# Quoted-string local part (RFC 5321 4.1.2, internationalized by RFC 6531 3.3) +# The permitted characters in a quoted string are the characters in the range +# 32-126, except that quotes and (literal) backslashes can only appear when escaped +# by a backslash. When internationalized, UTF8 strings are also permitted except +# the ASCII characters that are not previously permitted (see above). +# QUOTED_LOCAL_PART_ADDR = re.compile(r"^\"((?:[\u0020-\u0021\u0023-\u005B\u005D-\u007E]|\\[\u0020-\u007E])*)\"@(.*)") +QUOTED_LOCAL_PART_ADDR = re.compile(r"^\"((?:[^\"\\]|\\.)*)\"@(.*)") +QTEXT_INTL = re.compile(r"[\u0020-\u007E\u0080-\U0010FFFF]") + +# Length constants +# RFC 3696 + errata 1003 + errata 1690 (https://www.rfc-editor.org/errata_search.php?rfc=3696&eid=1690) +# explains the maximum length of an email address is 254 octets. +EMAIL_MAX_LENGTH = 254 +LOCAL_PART_MAX_LENGTH = 64 +DNS_LABEL_LENGTH_LIMIT = 63 # in "octets", RFC 1035 2.3.1 +DOMAIN_MAX_LENGTH = 255 # in "octets", RFC 1035 2.3.4 and RFC 5321 4.5.3.1.2 + +# RFC 2142 +CASE_INSENSITIVE_MAILBOX_NAMES = [ + 'info', 'marking', 'sales', 'support', # section 3 + 'abuse', 'noc', 'security', # section 4 + 'postmaster', 'hostmaster', 'usenet', 'news', 'webmaster', 'www', 'uucp', 'ftp', # section 5 +] diff --git a/venv/lib/python3.12/site-packages/email_validator/syntax.py b/venv/lib/python3.12/site-packages/email_validator/syntax.py new file mode 100644 index 0000000..abb4ea9 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator/syntax.py @@ -0,0 +1,491 @@ +from .exceptions_types import EmailSyntaxError +from .rfc_constants import EMAIL_MAX_LENGTH, LOCAL_PART_MAX_LENGTH, DOMAIN_MAX_LENGTH, \ + DOT_ATOM_TEXT, DOT_ATOM_TEXT_INTL, ATEXT_RE, ATEXT_INTL_RE, ATEXT_HOSTNAME_INTL, QTEXT_INTL, \ + DNS_LABEL_LENGTH_LIMIT, DOT_ATOM_TEXT_HOSTNAME, DOMAIN_NAME_REGEX, DOMAIN_LITERAL_CHARS + +import re +import unicodedata +import idna # implements IDNA 2008; Python's codec is only IDNA 2003 +import ipaddress +from typing import Optional + + +def get_length_reason(addr, utf8=False, limit=EMAIL_MAX_LENGTH): + """Helper function to return an error message related to invalid length.""" + diff = len(addr) - limit + prefix = "at least " if utf8 else "" + suffix = "s" if diff > 1 else "" + return f"({prefix}{diff} character{suffix} too many)" + + +def safe_character_display(c): + # Return safely displayable characters in quotes. + if c == '\\': + return f"\"{c}\"" # can't use repr because it escapes it + if unicodedata.category(c)[0] in ("L", "N", "P", "S"): + return repr(c) + + # Construct a hex string in case the unicode name doesn't exist. + if ord(c) < 0xFFFF: + h = f"U+{ord(c):04x}".upper() + else: + h = f"U+{ord(c):08x}".upper() + + # Return the character name or, if it has no name, the hex string. + return unicodedata.name(c, h) + + +def validate_email_local_part(local: str, allow_smtputf8: bool = True, allow_empty_local: bool = False, + quoted_local_part: bool = False): + """Validates the syntax of the local part of an email address.""" + + if len(local) == 0: + if not allow_empty_local: + raise EmailSyntaxError("There must be something before the @-sign.") + else: + # The caller allows an empty local part. Useful for validating certain + # Postfix aliases. + return { + "local_part": local, + "ascii_local_part": local, + "smtputf8": False, + } + + # Check the length of the local part by counting characters. + # (RFC 5321 4.5.3.1.1) + # We're checking the number of characters here. If the local part + # is ASCII-only, then that's the same as bytes (octets). If it's + # internationalized, then the UTF-8 encoding may be longer, but + # that may not be relevant. We will check the total address length + # instead. + if len(local) > LOCAL_PART_MAX_LENGTH: + reason = get_length_reason(local, limit=LOCAL_PART_MAX_LENGTH) + raise EmailSyntaxError(f"The email address is too long before the @-sign {reason}.") + + # Check the local part against the non-internationalized regular expression. + # Most email addresses match this regex so it's probably fastest to check this first. + # (RFC 5322 3.2.3) + # All local parts matching the dot-atom rule are also valid as a quoted string + # so if it was originally quoted (quoted_local_part is True) and this regex matches, + # it's ok. + # (RFC 5321 4.1.2 / RFC 5322 3.2.4). + m = DOT_ATOM_TEXT.match(local) + if m: + # It's valid. And since it's just the permitted ASCII characters, + # it's normalized and safe. If the local part was originally quoted, + # the quoting was unnecessary and it'll be returned as normalized to + # non-quoted form. + + # Return the local part and flag that SMTPUTF8 is not needed. + return { + "local_part": local, + "ascii_local_part": local, + "smtputf8": False, + } + + # The local part failed the basic dot-atom check. Try the extended character set + # for internationalized addresses. It's the same pattern but with additional + # characters permitted. + # RFC 6531 section 3.3. + valid: Optional[str] = None + requires_smtputf8 = False + m = DOT_ATOM_TEXT_INTL.match(local) + if m: + # But international characters in the local part may not be permitted. + if not allow_smtputf8: + # Check for invalid characters against the non-internationalized + # permitted character set. + # (RFC 5322 3.2.3) + bad_chars = set( + safe_character_display(c) + for c in local + if not ATEXT_RE.match(c) + ) + if bad_chars: + raise EmailSyntaxError("Internationalized characters before the @-sign are not supported: " + ", ".join(sorted(bad_chars)) + ".") + + # Although the check above should always find something, fall back to this just in case. + raise EmailSyntaxError("Internationalized characters before the @-sign are not supported.") + + # It's valid. + valid = "dot-atom" + requires_smtputf8 = True + + # There are no syntactic restrictions on quoted local parts, so if + # it was originally quoted, it is probably valid. More characters + # are allowed, like @-signs, spaces, and quotes, and there are no + # restrictions on the placement of dots, as in dot-atom local parts. + elif quoted_local_part: + # Check for invalid characters in a quoted string local part. + # (RFC 5321 4.1.2. RFC 5322 lists additional permitted *obsolete* + # characters which are *not* allowed here. RFC 6531 section 3.3 + # extends the range to UTF8 strings.) + bad_chars = set( + safe_character_display(c) + for c in local + if not QTEXT_INTL.match(c) + ) + if bad_chars: + raise EmailSyntaxError("The email address contains invalid characters in quotes before the @-sign: " + ", ".join(sorted(bad_chars)) + ".") + + # See if any characters are outside of the ASCII range. + bad_chars = set( + safe_character_display(c) + for c in local + if not (32 <= ord(c) <= 126) + ) + if bad_chars: + requires_smtputf8 = True + + # International characters in the local part may not be permitted. + if not allow_smtputf8: + raise EmailSyntaxError("Internationalized characters before the @-sign are not supported: " + ", ".join(sorted(bad_chars)) + ".") + + # It's valid. + valid = "quoted" + + # If the local part matches the internationalized dot-atom form or was quoted, + # perform normalization and additional checks for Unicode strings. + if valid: + # RFC 6532 section 3.1 says that Unicode NFC normalization should be applied, + # so we'll return the normalized local part in the return value. + local = unicodedata.normalize("NFC", local) + + # Check that the local part is a valid, safe, and sensible Unicode string. + # Some of this may be redundant with the range U+0080 to U+10FFFF that is checked + # by DOT_ATOM_TEXT_INTL and QTEXT_INTL. Other characters may be permitted by the + # email specs, but they may not be valid, safe, or sensible Unicode strings. + # See the function for rationale. + check_unsafe_chars(local, allow_space=(valid == "quoted")) + + # Try encoding to UTF-8. Failure is possible with some characters like + # surrogate code points, but those are checked above. Still, we don't + # want to have an unhandled exception later. + try: + local.encode("utf8") + except ValueError: + raise EmailSyntaxError("The email address contains an invalid character.") + + # If this address passes only by the quoted string form, re-quote it + # and backslash-escape quotes and backslashes (removing any unnecessary + # escapes). Per RFC 5321 4.1.2, "all quoted forms MUST be treated as equivalent, + # and the sending system SHOULD transmit the form that uses the minimum quoting possible." + if valid == "quoted": + local = '"' + re.sub(r'(["\\])', r'\\\1', local) + '"' + + return { + "local_part": local, + "ascii_local_part": local if not requires_smtputf8 else None, + "smtputf8": requires_smtputf8, + } + + # It's not a valid local part. Let's find out why. + # (Since quoted local parts are all valid or handled above, these checks + # don't apply in those cases.) + + # Check for invalid characters. + # (RFC 5322 3.2.3, plus RFC 6531 3.3) + bad_chars = set( + safe_character_display(c) + for c in local + if not ATEXT_INTL_RE.match(c) + ) + if bad_chars: + raise EmailSyntaxError("The email address contains invalid characters before the @-sign: " + ", ".join(sorted(bad_chars)) + ".") + + # Check for dot errors imposted by the dot-atom rule. + # (RFC 5322 3.2.3) + check_dot_atom(local, 'An email address cannot start with a {}.', 'An email address cannot have a {} immediately before the @-sign.', is_hostname=False) + + # All of the reasons should already have been checked, but just in case + # we have a fallback message. + raise EmailSyntaxError("The email address contains invalid characters before the @-sign.") + + +def check_unsafe_chars(s, allow_space=False): + # Check for unsafe characters or characters that would make the string + # invalid or non-sensible Unicode. + bad_chars = set() + for i, c in enumerate(s): + category = unicodedata.category(c) + if category[0] in ("L", "N", "P", "S"): + # Letters, numbers, punctuation, and symbols are permitted. + pass + elif category[0] == "M": + # Combining character in first position would combine with something + # outside of the email address if concatenated, so they are not safe. + # We also check if this occurs after the @-sign, which would not be + # sensible. + if i == 0: + bad_chars.add(c) + elif category == "Zs": + # Spaces outside of the ASCII range are not specifically disallowed in + # internationalized addresses as far as I can tell, but they violate + # the spirit of the non-internationalized specification that email + # addresses do not contain ASCII spaces when not quoted. Excluding + # ASCII spaces when not quoted is handled directly by the atom regex. + # + # In quoted-string local parts, spaces are explicitly permitted, and + # the ASCII space has category Zs, so we must allow it here, and we'll + # allow all Unicode spaces to be consistent. + if not allow_space: + bad_chars.add(c) + elif category[0] == "Z": + # The two line and paragraph separator characters (in categories Zl and Zp) + # are not specifically disallowed in internationalized addresses + # as far as I can tell, but they violate the spirit of the non-internationalized + # specification that email addresses do not contain line breaks when not quoted. + bad_chars.add(c) + elif category[0] in ("C", "Z"): + # Control, format, surrogate, private use, and unassigned code points (C) + # are all unsafe in various ways. Control and format characters can affect + # text rendering if the email address is concatenated with other text. + # Bidirectional format characters are unsafe, even if used properly, because + # they cause an email address to render as a different email address. + # Private use characters do not make sense for publicly deliverable + # email addresses. + bad_chars.add(c) + else: + # All categories should be handled above, but in case there is something new + # to the Unicode specification in the future, reject all other categories. + bad_chars.add(c) + if bad_chars: + raise EmailSyntaxError("The email address contains unsafe characters: " + + ", ".join(safe_character_display(c) for c in sorted(bad_chars)) + ".") + + +def check_dot_atom(label, start_descr, end_descr, is_hostname): + # RFC 5322 3.2.3 + if label.endswith("."): + raise EmailSyntaxError(end_descr.format("period")) + if label.startswith("."): + raise EmailSyntaxError(start_descr.format("period")) + if ".." in label: + raise EmailSyntaxError("An email address cannot have two periods in a row.") + + if is_hostname: + # RFC 952 + if label.endswith("-"): + raise EmailSyntaxError(end_descr.format("hyphen")) + if label.startswith("-"): + raise EmailSyntaxError(start_descr.format("hyphen")) + if ".-" in label or "-." in label: + raise EmailSyntaxError("An email address cannot have a period and a hyphen next to each other.") + + +def validate_email_domain_name(domain, test_environment=False, globally_deliverable=True): + """Validates the syntax of the domain part of an email address.""" + + # Check for invalid characters before normalization. + # (RFC 952 plus RFC 6531 section 3.3 for internationalized addresses) + bad_chars = set( + safe_character_display(c) + for c in domain + if not ATEXT_HOSTNAME_INTL.match(c) + ) + if bad_chars: + raise EmailSyntaxError("The part after the @-sign contains invalid characters: " + ", ".join(sorted(bad_chars)) + ".") + + # Check for unsafe characters. + # Some of this may be redundant with the range U+0080 to U+10FFFF that is checked + # by DOT_ATOM_TEXT_INTL. Other characters may be permitted by the email specs, but + # they may not be valid, safe, or sensible Unicode strings. + check_unsafe_chars(domain) + + # Perform UTS-46 normalization, which includes casefolding, NFC normalization, + # and converting all label separators (the period/full stop, fullwidth full stop, + # ideographic full stop, and halfwidth ideographic full stop) to basic periods. + # It will also raise an exception if there is an invalid character in the input, + # such as "⒈" which is invalid because it would expand to include a period. + try: + domain = idna.uts46_remap(domain, std3_rules=False, transitional=False) + except idna.IDNAError as e: + raise EmailSyntaxError(f"The part after the @-sign contains invalid characters ({e}).") + + # The domain part is made up period-separated "labels." Each label must + # have at least one character and cannot start or end with dashes, which + # means there are some surprising restrictions on periods and dashes. + # Check that before we do IDNA encoding because the IDNA library gives + # unfriendly errors for these cases, but after UTS-46 normalization because + # it can insert periods and hyphens (from fullwidth characters). + # (RFC 952, RFC 1123 2.1, RFC 5322 3.2.3) + check_dot_atom(domain, 'An email address cannot have a {} immediately after the @-sign.', 'An email address cannot end with a {}.', is_hostname=True) + + # Check for RFC 5890's invalid R-LDH labels, which are labels that start + # with two characters other than "xn" and two dashes. + for label in domain.split("."): + if re.match(r"(?!xn)..--", label, re.I): + raise EmailSyntaxError("An email address cannot have two letters followed by two dashes immediately after the @-sign or after a period, except Punycode.") + + if DOT_ATOM_TEXT_HOSTNAME.match(domain): + # This is a valid non-internationalized domain. + ascii_domain = domain + else: + # If international characters are present in the domain name, convert + # the domain to IDNA ASCII. If internationalized characters are present, + # the MTA must either support SMTPUTF8 or the mail client must convert the + # domain name to IDNA before submission. + # + # Unfortunately this step incorrectly 'fixes' domain names with leading + # periods by removing them, so we have to check for this above. It also gives + # a funky error message ("No input") when there are two periods in a + # row, also checked separately above. + # + # For ASCII-only domains, the transformation does nothing and is safe to + # apply. However, to ensure we don't rely on the idna library for basic + # syntax checks, we don't use it if it's not needed. + try: + ascii_domain = idna.encode(domain, uts46=False).decode("ascii") + except idna.IDNAError as e: + if "Domain too long" in str(e): + # We can't really be more specific because UTS-46 normalization means + # the length check is applied to a string that is different from the + # one the user supplied. Also I'm not sure if the length check applies + # to the internationalized form, the IDNA ASCII form, or even both! + raise EmailSyntaxError("The email address is too long after the @-sign.") + raise EmailSyntaxError(f"The part after the @-sign contains invalid characters ({e}).") + + # Check the syntax of the string returned by idna.encode. + # It should never fail. + m = DOT_ATOM_TEXT_HOSTNAME.match(ascii_domain) + if not m: + raise EmailSyntaxError("The email address contains invalid characters after the @-sign after IDNA encoding.") + + # Check the length of the domain name in bytes. + # (RFC 1035 2.3.4 and RFC 5321 4.5.3.1.2) + # We're checking the number of bytes ("octets") here, which can be much + # higher than the number of characters in internationalized domains, + # on the assumption that the domain may be transmitted without SMTPUTF8 + # as IDNA ASCII. (This is also checked by idna.encode, so this exception + # is never reached for internationalized domains.) + if len(ascii_domain) > DOMAIN_MAX_LENGTH: + reason = get_length_reason(ascii_domain, limit=DOMAIN_MAX_LENGTH) + raise EmailSyntaxError(f"The email address is too long after the @-sign {reason}.") + + # Also check the label length limit. + # (RFC 1035 2.3.1) + for label in ascii_domain.split("."): + if len(label) > DNS_LABEL_LENGTH_LIMIT: + reason = get_length_reason(label, limit=DNS_LABEL_LENGTH_LIMIT) + raise EmailSyntaxError(f"After the @-sign, periods cannot be separated by so many characters {reason}.") + + if globally_deliverable: + # All publicly deliverable addresses have domain named with at least + # one period, at least for gTLDs created since 2013 (per the ICANN Board + # New gTLD Program Committee, https://www.icann.org/en/announcements/details/new-gtld-dotless-domain-names-prohibited-30-8-2013-en). + # We'll consider the lack of a period a syntax error + # since that will match people's sense of what an email address looks + # like. We'll skip this in test environments to allow '@test' email + # addresses. + if "." not in ascii_domain and not (ascii_domain == "test" and test_environment): + raise EmailSyntaxError("The part after the @-sign is not valid. It should have a period.") + + # We also know that all TLDs currently end with a letter. + if not DOMAIN_NAME_REGEX.search(ascii_domain): + raise EmailSyntaxError("The part after the @-sign is not valid. It is not within a valid top-level domain.") + + # Check special-use and reserved domain names. + # Some might fail DNS-based deliverability checks, but that + # can be turned off, so we should fail them all sooner. + # See the references in __init__.py. + from . import SPECIAL_USE_DOMAIN_NAMES + for d in SPECIAL_USE_DOMAIN_NAMES: + # See the note near the definition of SPECIAL_USE_DOMAIN_NAMES. + if d == "test" and test_environment: + continue + + if ascii_domain == d or ascii_domain.endswith("." + d): + raise EmailSyntaxError("The part after the @-sign is a special-use or reserved name that cannot be used with email.") + + # We may have been given an IDNA ASCII domain to begin with. Check + # that the domain actually conforms to IDNA. It could look like IDNA + # but not be actual IDNA. For ASCII-only domains, the conversion out + # of IDNA just gives the same thing back. + # + # This gives us the canonical internationalized form of the domain. + try: + domain_i18n = idna.decode(ascii_domain.encode('ascii')) + except idna.IDNAError as e: + raise EmailSyntaxError(f"The part after the @-sign is not valid IDNA ({e}).") + + # Check for invalid characters after normalization. These + # should never arise. See the similar checks above. + bad_chars = set( + safe_character_display(c) + for c in domain + if not ATEXT_HOSTNAME_INTL.match(c) + ) + if bad_chars: + raise EmailSyntaxError("The part after the @-sign contains invalid characters: " + ", ".join(sorted(bad_chars)) + ".") + check_unsafe_chars(domain) + + # Return the IDNA ASCII-encoded form of the domain, which is how it + # would be transmitted on the wire (except when used with SMTPUTF8 + # possibly), as well as the canonical Unicode form of the domain, + # which is better for display purposes. This should also take care + # of RFC 6532 section 3.1's suggestion to apply Unicode NFC + # normalization to addresses. + return { + "ascii_domain": ascii_domain, + "domain": domain_i18n, + } + + +def validate_email_domain_literal(domain_literal, allow_domain_literal=False): + # This is obscure domain-literal syntax. Parse it and return + # a compressed/normalized address. + # RFC 5321 4.1.3 and RFC 5322 3.4.1. + + # Try to parse the domain literal as an IPv4 address. + # There is no tag for IPv4 addresses, so we can never + # be sure if the user intends an IPv4 address. + if re.match(r"^[0-9\.]+$", domain_literal): + try: + addr = ipaddress.IPv4Address(domain_literal) + except ValueError as e: + raise EmailSyntaxError(f"The address in brackets after the @-sign is not valid: It is not an IPv4 address ({e}) or is missing an address literal tag.") + if not allow_domain_literal: + raise EmailSyntaxError("A bracketed IPv4 address after the @-sign is not allowed here.") + + # Return the IPv4Address object and the domain back unchanged. + return { + "domain_address": addr, + "domain": f"[{addr}]", + } + + # If it begins with "IPv6:" it's an IPv6 address. + if domain_literal.startswith("IPv6:"): + try: + addr = ipaddress.IPv6Address(domain_literal[5:]) + except ValueError as e: + raise EmailSyntaxError(f"The IPv6 address in brackets after the @-sign is not valid ({e}).") + if not allow_domain_literal: + raise EmailSyntaxError("A bracketed IPv6 address after the @-sign is not allowed here.") + + # Return the IPv6Address object and construct a normalized + # domain literal. + return { + "domain_address": addr, + "domain": f"[IPv6:{addr.compressed}]", + } + + if ":" not in domain_literal: + raise EmailSyntaxError("The part after the @-sign in brackets is not an IPv4 address and has no address literal tag.") + + # The tag (the part before the colon) has character restrictions, + # but since it must come from a registry of tags (in which only "IPv6" is defined), + # there's no need to check the syntax of the tag. See RFC 5321 4.1.2. + + # Check for permitted ASCII characters. This actually doesn't matter + # since there will be an exception after anyway. + bad_chars = set( + safe_character_display(c) + for c in domain_literal + if not DOMAIN_LITERAL_CHARS.match(c) + ) + if bad_chars: + raise EmailSyntaxError("The part after the @-sign contains invalid characters in brackets: " + ", ".join(sorted(bad_chars)) + ".") + + # There are no other domain literal tags. + # https://www.iana.org/assignments/address-literal-tags/address-literal-tags.xhtml + raise EmailSyntaxError("The part after the @-sign contains an invalid address literal tag in brackets.") diff --git a/venv/lib/python3.12/site-packages/email_validator/validate_email.py b/venv/lib/python3.12/site-packages/email_validator/validate_email.py new file mode 100644 index 0000000..0d8f581 --- /dev/null +++ b/venv/lib/python3.12/site-packages/email_validator/validate_email.py @@ -0,0 +1,190 @@ +from typing import Optional, Union + +from .exceptions_types import EmailSyntaxError, ValidatedEmail +from .syntax import validate_email_local_part, validate_email_domain_name, validate_email_domain_literal, get_length_reason +from .rfc_constants import EMAIL_MAX_LENGTH, QUOTED_LOCAL_PART_ADDR, CASE_INSENSITIVE_MAILBOX_NAMES + + +def validate_email( + email: Union[str, bytes], + # /, # not supported in Python 3.6, 3.7 + *, + allow_smtputf8: Optional[bool] = None, + allow_empty_local: bool = False, + allow_quoted_local: Optional[bool] = None, + allow_domain_literal: Optional[bool] = None, + check_deliverability: Optional[bool] = None, + test_environment: Optional[bool] = None, + globally_deliverable: Optional[bool] = None, + timeout: Optional[int] = None, + dns_resolver: Optional[object] = None +) -> ValidatedEmail: + """ + Validates an email address, raising an EmailNotValidError if the address is not valid or returning a dict of + information when the address is valid. The email argument can be a str or a bytes instance, + but if bytes it must be ASCII-only. This is the main method of this library. + """ + + # Fill in default values of arguments. + from . import ALLOW_SMTPUTF8, ALLOW_QUOTED_LOCAL, ALLOW_DOMAIN_LITERAL, \ + GLOBALLY_DELIVERABLE, CHECK_DELIVERABILITY, TEST_ENVIRONMENT, DEFAULT_TIMEOUT + if allow_smtputf8 is None: + allow_smtputf8 = ALLOW_SMTPUTF8 + if allow_quoted_local is None: + allow_quoted_local = ALLOW_QUOTED_LOCAL + if allow_domain_literal is None: + allow_domain_literal = ALLOW_DOMAIN_LITERAL + if check_deliverability is None: + check_deliverability = CHECK_DELIVERABILITY + if test_environment is None: + test_environment = TEST_ENVIRONMENT + if globally_deliverable is None: + globally_deliverable = GLOBALLY_DELIVERABLE + if timeout is None and dns_resolver is None: + timeout = DEFAULT_TIMEOUT + + # Allow email to be a str or bytes instance. If bytes, + # it must be ASCII because that's how the bytes work + # on the wire with SMTP. + if not isinstance(email, str): + try: + email = email.decode("ascii") + except ValueError: + raise EmailSyntaxError("The email address is not valid ASCII.") + + # Typical email addresses have a single @-sign, but the + # awkward "quoted string" local part form (RFC 5321 4.1.2) + # allows @-signs (and escaped quotes) to appear in the local + # part if the local part is quoted. If the address is quoted, + # split it at a non-escaped @-sign and unescape the escaping. + quoted_local_part = False + m = QUOTED_LOCAL_PART_ADDR.match(email) + if m: + quoted_local_part = True + local_part, domain_part = m.groups() + + # Remove backslashes. + import re + local_part = re.sub(r"\\(.)", "\\1", local_part) + + else: + # Split at the one and only at-sign. + parts = email.split('@') + if len(parts) != 2: + raise EmailSyntaxError("The email address is not valid. It must have exactly one @-sign.") + local_part, domain_part = parts + + # Collect return values in this instance. + ret = ValidatedEmail() + ret.original = email + + # Validate the email address's local part syntax and get a normalized form. + # If the original address was quoted and the decoded local part is a valid + # unquoted local part, then we'll get back a normalized (unescaped) local + # part. + local_part_info = validate_email_local_part(local_part, + allow_smtputf8=allow_smtputf8, + allow_empty_local=allow_empty_local, + quoted_local_part=quoted_local_part) + if quoted_local_part and not allow_quoted_local: + raise EmailSyntaxError("Quoting the part before the @-sign is not allowed here.") + ret.local_part = local_part_info["local_part"] + ret.ascii_local_part = local_part_info["ascii_local_part"] + ret.smtputf8 = local_part_info["smtputf8"] + + # Some local parts are required to be case-insensitive, so we should normalize + # to lowercase. + # RFC 2142 + if ret.ascii_local_part is not None \ + and ret.ascii_local_part.lower() in CASE_INSENSITIVE_MAILBOX_NAMES \ + and ret.local_part is not None: + ret.ascii_local_part = ret.ascii_local_part.lower() + ret.local_part = ret.local_part.lower() + + # Validate the email address's domain part syntax and get a normalized form. + is_domain_literal = False + if len(domain_part) == 0: + raise EmailSyntaxError("There must be something after the @-sign.") + + elif domain_part.startswith("[") and domain_part.endswith("]"): + # Parse the address in the domain literal and get back a normalized domain. + domain_part_info = validate_email_domain_literal(domain_part[1:-1], allow_domain_literal=allow_domain_literal) + ret.domain = domain_part_info["domain"] + ret.ascii_domain = domain_part_info["domain"] # Domain literals are always ASCII. + ret.domain_address = domain_part_info["domain_address"] + is_domain_literal = True # Prevent deliverability checks. + + else: + # Check the syntax of the domain and get back a normalized + # internationalized and ASCII form. + domain_part_info = validate_email_domain_name(domain_part, test_environment=test_environment, globally_deliverable=globally_deliverable) + ret.domain = domain_part_info["domain"] + ret.ascii_domain = domain_part_info["ascii_domain"] + + # Construct the complete normalized form. + ret.normalized = ret.local_part + "@" + ret.domain + + # If the email address has an ASCII form, add it. + if not ret.smtputf8: + if not ret.ascii_domain: + raise Exception("Missing ASCII domain.") + ret.ascii_email = (ret.ascii_local_part or "") + "@" + ret.ascii_domain + else: + ret.ascii_email = None + + # If the email address has an ASCII representation, then we assume it may be + # transmitted in ASCII (we can't assume SMTPUTF8 will be used on all hops to + # the destination) and the length limit applies to ASCII characters (which is + # the same as octets). The number of characters in the internationalized form + # may be many fewer (because IDNA ASCII is verbose) and could be less than 254 + # Unicode characters, and of course the number of octets over the limit may + # not be the number of characters over the limit, so if the email address is + # internationalized, we can't give any simple information about why the address + # is too long. + # + # In addition, check that the UTF-8 encoding (i.e. not IDNA ASCII and not + # Unicode characters) is at most 254 octets. If the addres is transmitted using + # SMTPUTF8, then the length limit probably applies to the UTF-8 encoded octets. + # If the email address has an ASCII form that differs from its internationalized + # form, I don't think the internationalized form can be longer, and so the ASCII + # form length check would be sufficient. If there is no ASCII form, then we have + # to check the UTF-8 encoding. The UTF-8 encoding could be up to about four times + # longer than the number of characters. + # + # See the length checks on the local part and the domain. + if ret.ascii_email and len(ret.ascii_email) > EMAIL_MAX_LENGTH: + if ret.ascii_email == ret.normalized: + reason = get_length_reason(ret.ascii_email) + elif len(ret.normalized) > EMAIL_MAX_LENGTH: + # If there are more than 254 characters, then the ASCII + # form is definitely going to be too long. + reason = get_length_reason(ret.normalized, utf8=True) + else: + reason = "(when converted to IDNA ASCII)" + raise EmailSyntaxError(f"The email address is too long {reason}.") + if len(ret.normalized.encode("utf8")) > EMAIL_MAX_LENGTH: + if len(ret.normalized) > EMAIL_MAX_LENGTH: + # If there are more than 254 characters, then the UTF-8 + # encoding is definitely going to be too long. + reason = get_length_reason(ret.normalized, utf8=True) + else: + reason = "(when encoded in bytes)" + raise EmailSyntaxError(f"The email address is too long {reason}.") + + if check_deliverability and not test_environment: + # Validate the email address's deliverability using DNS + # and update the return dict with metadata. + + if is_domain_literal: + # There is nothing to check --- skip deliverability checks. + return ret + + # Lazy load `deliverability` as it is slow to import (due to dns.resolver) + from .deliverability import validate_email_deliverability + deliverability_info = validate_email_deliverability( + ret.ascii_domain, ret.domain, timeout, dns_resolver + ) + for key, value in deliverability_info.items(): + setattr(ret, key, value) + + return ret diff --git a/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/LICENSE.rst b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/LICENSE.rst new file mode 100644 index 0000000..9d227a0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2010 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/METADATA b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/METADATA new file mode 100644 index 0000000..d7c3145 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/METADATA @@ -0,0 +1,116 @@ +Metadata-Version: 2.1 +Name: Flask +Version: 2.3.3 +Summary: A simple framework for building complex web applications. +Maintainer-email: Pallets +Requires-Python: >=3.8 +Description-Content-Type: text/x-rst +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Framework :: Flask +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Application +Classifier: Topic :: Software Development :: Libraries :: Application Frameworks +Requires-Dist: Werkzeug>=2.3.7 +Requires-Dist: Jinja2>=3.1.2 +Requires-Dist: itsdangerous>=2.1.2 +Requires-Dist: click>=8.1.3 +Requires-Dist: blinker>=1.6.2 +Requires-Dist: importlib-metadata>=3.6.0; python_version < '3.10' +Requires-Dist: asgiref>=3.2 ; extra == "async" +Requires-Dist: python-dotenv ; extra == "dotenv" +Project-URL: Changes, https://flask.palletsprojects.com/changes/ +Project-URL: Chat, https://discord.gg/pallets +Project-URL: Documentation, https://flask.palletsprojects.com/ +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Issue Tracker, https://github.com/pallets/flask/issues/ +Project-URL: Source Code, https://github.com/pallets/flask/ +Provides-Extra: async +Provides-Extra: dotenv + +Flask +===== + +Flask is a lightweight `WSGI`_ web application framework. It is designed +to make getting started quick and easy, with the ability to scale up to +complex applications. It began as a simple wrapper around `Werkzeug`_ +and `Jinja`_ and has become one of the most popular Python web +application frameworks. + +Flask offers suggestions, but doesn't enforce any dependencies or +project layout. It is up to the developer to choose the tools and +libraries they want to use. There are many extensions provided by the +community that make adding new functionality easy. + +.. _WSGI: https://wsgi.readthedocs.io/ +.. _Werkzeug: https://werkzeug.palletsprojects.com/ +.. _Jinja: https://jinja.palletsprojects.com/ + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + $ pip install -U Flask + +.. _pip: https://pip.pypa.io/en/stable/getting-started/ + + +A Simple Example +---------------- + +.. code-block:: python + + # save this as app.py + from flask import Flask + + app = Flask(__name__) + + @app.route("/") + def hello(): + return "Hello, World!" + +.. code-block:: text + + $ flask run + * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit) + + +Contributing +------------ + +For guidance on setting up a development environment and how to make a +contribution to Flask, see the `contributing guidelines`_. + +.. _contributing guidelines: https://github.com/pallets/flask/blob/main/CONTRIBUTING.rst + + +Donate +------ + +The Pallets organization develops and supports Flask and the libraries +it uses. In order to grow the community of contributors and users, and +allow the maintainers to devote more time to the projects, `please +donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://flask.palletsprojects.com/ +- Changes: https://flask.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/Flask/ +- Source Code: https://github.com/pallets/flask/ +- Issue Tracker: https://github.com/pallets/flask/issues/ +- Chat: https://discord.gg/pallets + diff --git a/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/RECORD b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/RECORD new file mode 100644 index 0000000..9bad8cf --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/RECORD @@ -0,0 +1,53 @@ +../../../bin/flask,sha256=OFe1QXCDk3oJXd-Al6a4U6uLUnWILtSgmy8l7CsMYeo,250 +flask-2.3.3.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 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b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/entry_points.txt new file mode 100644 index 0000000..eec6733 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask-2.3.3.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[console_scripts] +flask=flask.cli:main + diff --git a/venv/lib/python3.12/site-packages/flask/__init__.py b/venv/lib/python3.12/site-packages/flask/__init__.py new file mode 100644 index 0000000..bdca1b0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/__init__.py @@ -0,0 +1,102 @@ +from . import json as json +from .app import Flask as Flask +from .app import Request as Request +from .app import Response as Response +from .blueprints import Blueprint as Blueprint +from .config import Config as Config +from .ctx import after_this_request as after_this_request +from .ctx import copy_current_request_context as copy_current_request_context +from .ctx import has_app_context as has_app_context +from .ctx import has_request_context as has_request_context +from .globals import current_app as current_app +from .globals import g as g +from .globals import request as request +from .globals import session as session +from .helpers import abort as abort +from .helpers import flash as flash +from .helpers import get_flashed_messages as get_flashed_messages +from .helpers import get_template_attribute as get_template_attribute +from .helpers import make_response as make_response +from .helpers import redirect as redirect +from .helpers import send_file as send_file +from .helpers import send_from_directory as send_from_directory +from .helpers import stream_with_context as stream_with_context +from .helpers import url_for as url_for +from .json import jsonify as jsonify +from .signals import appcontext_popped as appcontext_popped +from .signals import appcontext_pushed as appcontext_pushed +from .signals import appcontext_tearing_down as appcontext_tearing_down +from .signals import before_render_template as before_render_template +from .signals import got_request_exception as got_request_exception +from .signals import message_flashed as message_flashed +from .signals import request_finished as request_finished +from .signals import request_started as request_started +from .signals import request_tearing_down as request_tearing_down +from .signals import template_rendered as template_rendered +from .templating import render_template as render_template +from .templating import render_template_string as render_template_string +from .templating import stream_template as stream_template +from .templating import stream_template_string as stream_template_string + +__version__ = "2.3.3" + + +def __getattr__(name): + if name == "_app_ctx_stack": + import warnings + from .globals import __app_ctx_stack + + warnings.warn( + "'_app_ctx_stack' is deprecated and will be removed in Flask 2.4.", + DeprecationWarning, + stacklevel=2, + ) + return __app_ctx_stack + + if name == "_request_ctx_stack": + import warnings + from .globals import __request_ctx_stack + + warnings.warn( + "'_request_ctx_stack' is deprecated and will be removed in Flask 2.4.", + DeprecationWarning, + stacklevel=2, + ) + return __request_ctx_stack + + if name == "escape": + import warnings + from markupsafe import escape + + warnings.warn( + "'flask.escape' is deprecated and will be removed in Flask 2.4. Import" + " 'markupsafe.escape' instead.", + DeprecationWarning, + stacklevel=2, + ) + return escape + + if name == "Markup": + import warnings + from markupsafe import Markup + + warnings.warn( + "'flask.Markup' is deprecated and will be removed in Flask 2.4. Import" + " 'markupsafe.Markup' instead.", + DeprecationWarning, + stacklevel=2, + ) + return Markup + + if name == "signals_available": + import warnings + + warnings.warn( + "'signals_available' is deprecated and will be removed in Flask 2.4." + " Signals are always available", + DeprecationWarning, + stacklevel=2, + ) + return True + + raise AttributeError(name) diff --git a/venv/lib/python3.12/site-packages/flask/__main__.py b/venv/lib/python3.12/site-packages/flask/__main__.py new file mode 100644 index 0000000..4e28416 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/__main__.py @@ -0,0 +1,3 @@ +from .cli import main + +main() diff --git a/venv/lib/python3.12/site-packages/flask/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/flask/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..1fd914d Binary files /dev/null and b/venv/lib/python3.12/site-packages/flask/__pycache__/__init__.cpython-312.pyc differ diff --git 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a/venv/lib/python3.12/site-packages/flask/app.py b/venv/lib/python3.12/site-packages/flask/app.py new file mode 100644 index 0000000..3b6b38d --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/app.py @@ -0,0 +1,2213 @@ +from __future__ import annotations + +import logging +import os +import sys +import typing as t +import weakref +from collections.abc import Iterator as _abc_Iterator +from datetime import timedelta +from inspect import iscoroutinefunction +from itertools import chain +from types import TracebackType +from urllib.parse import quote as _url_quote + +import click +from werkzeug.datastructures import Headers +from werkzeug.datastructures import ImmutableDict +from werkzeug.exceptions import Aborter +from werkzeug.exceptions import BadRequest +from werkzeug.exceptions import BadRequestKeyError +from werkzeug.exceptions import HTTPException +from werkzeug.exceptions import InternalServerError +from werkzeug.routing import BuildError +from werkzeug.routing import Map +from werkzeug.routing import MapAdapter +from werkzeug.routing import RequestRedirect +from werkzeug.routing import RoutingException +from werkzeug.routing import Rule +from werkzeug.serving import is_running_from_reloader +from werkzeug.utils import cached_property +from werkzeug.utils import redirect as _wz_redirect +from werkzeug.wrappers import Response as BaseResponse + +from . import cli +from . import typing as ft +from .config import Config +from .config import ConfigAttribute +from .ctx import _AppCtxGlobals +from .ctx import AppContext +from .ctx import RequestContext +from .globals import _cv_app +from .globals import _cv_request +from .globals import g +from .globals import request +from .globals import request_ctx +from .globals import session +from .helpers import _split_blueprint_path +from .helpers import get_debug_flag +from .helpers import get_flashed_messages +from .helpers import get_load_dotenv +from .json.provider import DefaultJSONProvider +from .json.provider import JSONProvider +from .logging import create_logger +from .scaffold import _endpoint_from_view_func +from .scaffold import _sentinel +from .scaffold import find_package +from .scaffold import Scaffold +from .scaffold import setupmethod +from .sessions import SecureCookieSessionInterface +from .sessions import SessionInterface +from .signals import appcontext_tearing_down +from .signals import got_request_exception +from .signals import request_finished +from .signals import request_started +from .signals import request_tearing_down +from .templating import DispatchingJinjaLoader +from .templating import Environment +from .wrappers import Request +from .wrappers import Response + +if t.TYPE_CHECKING: # pragma: no cover + from .blueprints import Blueprint + from .testing import FlaskClient + from .testing import FlaskCliRunner + +T_shell_context_processor = t.TypeVar( + "T_shell_context_processor", bound=ft.ShellContextProcessorCallable +) +T_teardown = t.TypeVar("T_teardown", bound=ft.TeardownCallable) +T_template_filter = t.TypeVar("T_template_filter", bound=ft.TemplateFilterCallable) +T_template_global = t.TypeVar("T_template_global", bound=ft.TemplateGlobalCallable) +T_template_test = t.TypeVar("T_template_test", bound=ft.TemplateTestCallable) + + +def _make_timedelta(value: timedelta | int | None) -> timedelta | None: + if value is None or isinstance(value, timedelta): + return value + + return timedelta(seconds=value) + + +class Flask(Scaffold): + """The flask object implements a WSGI application and acts as the central + object. It is passed the name of the module or package of the + application. Once it is created it will act as a central registry for + the view functions, the URL rules, template configuration and much more. + + The name of the package is used to resolve resources from inside the + package or the folder the module is contained in depending on if the + package parameter resolves to an actual python package (a folder with + an :file:`__init__.py` file inside) or a standard module (just a ``.py`` file). + + For more information about resource loading, see :func:`open_resource`. + + Usually you create a :class:`Flask` instance in your main module or + in the :file:`__init__.py` file of your package like this:: + + from flask import Flask + app = Flask(__name__) + + .. admonition:: About the First Parameter + + The idea of the first parameter is to give Flask an idea of what + belongs to your application. This name is used to find resources + on the filesystem, can be used by extensions to improve debugging + information and a lot more. + + So it's important what you provide there. If you are using a single + module, `__name__` is always the correct value. If you however are + using a package, it's usually recommended to hardcode the name of + your package there. + + For example if your application is defined in :file:`yourapplication/app.py` + you should create it with one of the two versions below:: + + app = Flask('yourapplication') + app = Flask(__name__.split('.')[0]) + + Why is that? The application will work even with `__name__`, thanks + to how resources are looked up. However it will make debugging more + painful. Certain extensions can make assumptions based on the + import name of your application. For example the Flask-SQLAlchemy + extension will look for the code in your application that triggered + an SQL query in debug mode. If the import name is not properly set + up, that debugging information is lost. (For example it would only + pick up SQL queries in `yourapplication.app` and not + `yourapplication.views.frontend`) + + .. versionadded:: 0.7 + The `static_url_path`, `static_folder`, and `template_folder` + parameters were added. + + .. versionadded:: 0.8 + The `instance_path` and `instance_relative_config` parameters were + added. + + .. versionadded:: 0.11 + The `root_path` parameter was added. + + .. versionadded:: 1.0 + The ``host_matching`` and ``static_host`` parameters were added. + + .. versionadded:: 1.0 + The ``subdomain_matching`` parameter was added. Subdomain + matching needs to be enabled manually now. Setting + :data:`SERVER_NAME` does not implicitly enable it. + + :param import_name: the name of the application package + :param static_url_path: can be used to specify a different path for the + static files on the web. Defaults to the name + of the `static_folder` folder. + :param static_folder: The folder with static files that is served at + ``static_url_path``. Relative to the application ``root_path`` + or an absolute path. Defaults to ``'static'``. + :param static_host: the host to use when adding the static route. + Defaults to None. Required when using ``host_matching=True`` + with a ``static_folder`` configured. + :param host_matching: set ``url_map.host_matching`` attribute. + Defaults to False. + :param subdomain_matching: consider the subdomain relative to + :data:`SERVER_NAME` when matching routes. Defaults to False. + :param template_folder: the folder that contains the templates that should + be used by the application. Defaults to + ``'templates'`` folder in the root path of the + application. + :param instance_path: An alternative instance path for the application. + By default the folder ``'instance'`` next to the + package or module is assumed to be the instance + path. + :param instance_relative_config: if set to ``True`` relative filenames + for loading the config are assumed to + be relative to the instance path instead + of the application root. + :param root_path: The path to the root of the application files. + This should only be set manually when it can't be detected + automatically, such as for namespace packages. + """ + + #: The class that is used for request objects. See :class:`~flask.Request` + #: for more information. + request_class = Request + + #: The class that is used for response objects. See + #: :class:`~flask.Response` for more information. + response_class = Response + + #: The class of the object assigned to :attr:`aborter`, created by + #: :meth:`create_aborter`. That object is called by + #: :func:`flask.abort` to raise HTTP errors, and can be + #: called directly as well. + #: + #: Defaults to :class:`werkzeug.exceptions.Aborter`. + #: + #: .. versionadded:: 2.2 + aborter_class = Aborter + + #: The class that is used for the Jinja environment. + #: + #: .. versionadded:: 0.11 + jinja_environment = Environment + + #: The class that is used for the :data:`~flask.g` instance. + #: + #: Example use cases for a custom class: + #: + #: 1. Store arbitrary attributes on flask.g. + #: 2. Add a property for lazy per-request database connectors. + #: 3. Return None instead of AttributeError on unexpected attributes. + #: 4. Raise exception if an unexpected attr is set, a "controlled" flask.g. + #: + #: In Flask 0.9 this property was called `request_globals_class` but it + #: was changed in 0.10 to :attr:`app_ctx_globals_class` because the + #: flask.g object is now application context scoped. + #: + #: .. versionadded:: 0.10 + app_ctx_globals_class = _AppCtxGlobals + + #: The class that is used for the ``config`` attribute of this app. + #: Defaults to :class:`~flask.Config`. + #: + #: Example use cases for a custom class: + #: + #: 1. Default values for certain config options. + #: 2. Access to config values through attributes in addition to keys. + #: + #: .. versionadded:: 0.11 + config_class = Config + + #: The testing flag. Set this to ``True`` to enable the test mode of + #: Flask extensions (and in the future probably also Flask itself). + #: For example this might activate test helpers that have an + #: additional runtime cost which should not be enabled by default. + #: + #: If this is enabled and PROPAGATE_EXCEPTIONS is not changed from the + #: default it's implicitly enabled. + #: + #: This attribute can also be configured from the config with the + #: ``TESTING`` configuration key. Defaults to ``False``. + testing = ConfigAttribute("TESTING") + + #: If a secret key is set, cryptographic components can use this to + #: sign cookies and other things. Set this to a complex random value + #: when you want to use the secure cookie for instance. + #: + #: This attribute can also be configured from the config with the + #: :data:`SECRET_KEY` configuration key. Defaults to ``None``. + secret_key = ConfigAttribute("SECRET_KEY") + + #: A :class:`~datetime.timedelta` which is used to set the expiration + #: date of a permanent session. The default is 31 days which makes a + #: permanent session survive for roughly one month. + #: + #: This attribute can also be configured from the config with the + #: ``PERMANENT_SESSION_LIFETIME`` configuration key. Defaults to + #: ``timedelta(days=31)`` + permanent_session_lifetime = ConfigAttribute( + "PERMANENT_SESSION_LIFETIME", get_converter=_make_timedelta + ) + + json_provider_class: type[JSONProvider] = DefaultJSONProvider + """A subclass of :class:`~flask.json.provider.JSONProvider`. An + instance is created and assigned to :attr:`app.json` when creating + the app. + + The default, :class:`~flask.json.provider.DefaultJSONProvider`, uses + Python's built-in :mod:`json` library. A different provider can use + a different JSON library. + + .. versionadded:: 2.2 + """ + + #: Options that are passed to the Jinja environment in + #: :meth:`create_jinja_environment`. Changing these options after + #: the environment is created (accessing :attr:`jinja_env`) will + #: have no effect. + #: + #: .. versionchanged:: 1.1.0 + #: This is a ``dict`` instead of an ``ImmutableDict`` to allow + #: easier configuration. + #: + jinja_options: dict = {} + + #: Default configuration parameters. + default_config = ImmutableDict( + { + "DEBUG": None, + "TESTING": False, + "PROPAGATE_EXCEPTIONS": None, + "SECRET_KEY": None, + "PERMANENT_SESSION_LIFETIME": timedelta(days=31), + "USE_X_SENDFILE": False, + "SERVER_NAME": None, + "APPLICATION_ROOT": "/", + "SESSION_COOKIE_NAME": "session", + "SESSION_COOKIE_DOMAIN": None, + "SESSION_COOKIE_PATH": None, + "SESSION_COOKIE_HTTPONLY": True, + "SESSION_COOKIE_SECURE": False, + "SESSION_COOKIE_SAMESITE": None, + "SESSION_REFRESH_EACH_REQUEST": True, + "MAX_CONTENT_LENGTH": None, + "SEND_FILE_MAX_AGE_DEFAULT": None, + "TRAP_BAD_REQUEST_ERRORS": None, + "TRAP_HTTP_EXCEPTIONS": False, + "EXPLAIN_TEMPLATE_LOADING": False, + "PREFERRED_URL_SCHEME": "http", + "TEMPLATES_AUTO_RELOAD": None, + "MAX_COOKIE_SIZE": 4093, + } + ) + + #: The rule object to use for URL rules created. This is used by + #: :meth:`add_url_rule`. Defaults to :class:`werkzeug.routing.Rule`. + #: + #: .. versionadded:: 0.7 + url_rule_class = Rule + + #: The map object to use for storing the URL rules and routing + #: configuration parameters. Defaults to :class:`werkzeug.routing.Map`. + #: + #: .. versionadded:: 1.1.0 + url_map_class = Map + + #: The :meth:`test_client` method creates an instance of this test + #: client class. Defaults to :class:`~flask.testing.FlaskClient`. + #: + #: .. versionadded:: 0.7 + test_client_class: type[FlaskClient] | None = None + + #: The :class:`~click.testing.CliRunner` subclass, by default + #: :class:`~flask.testing.FlaskCliRunner` that is used by + #: :meth:`test_cli_runner`. Its ``__init__`` method should take a + #: Flask app object as the first argument. + #: + #: .. versionadded:: 1.0 + test_cli_runner_class: type[FlaskCliRunner] | None = None + + #: the session interface to use. By default an instance of + #: :class:`~flask.sessions.SecureCookieSessionInterface` is used here. + #: + #: .. versionadded:: 0.8 + session_interface: SessionInterface = SecureCookieSessionInterface() + + def __init__( + self, + import_name: str, + static_url_path: str | None = None, + static_folder: str | os.PathLike | None = "static", + static_host: str | None = None, + host_matching: bool = False, + subdomain_matching: bool = False, + template_folder: str | os.PathLike | None = "templates", + instance_path: str | None = None, + instance_relative_config: bool = False, + root_path: str | None = None, + ): + super().__init__( + import_name=import_name, + static_folder=static_folder, + static_url_path=static_url_path, + template_folder=template_folder, + root_path=root_path, + ) + + if instance_path is None: + instance_path = self.auto_find_instance_path() + elif not os.path.isabs(instance_path): + raise ValueError( + "If an instance path is provided it must be absolute." + " A relative path was given instead." + ) + + #: Holds the path to the instance folder. + #: + #: .. versionadded:: 0.8 + self.instance_path = instance_path + + #: The configuration dictionary as :class:`Config`. This behaves + #: exactly like a regular dictionary but supports additional methods + #: to load a config from files. + self.config = self.make_config(instance_relative_config) + + #: An instance of :attr:`aborter_class` created by + #: :meth:`make_aborter`. This is called by :func:`flask.abort` + #: to raise HTTP errors, and can be called directly as well. + #: + #: .. versionadded:: 2.2 + #: Moved from ``flask.abort``, which calls this object. + self.aborter = self.make_aborter() + + self.json: JSONProvider = self.json_provider_class(self) + """Provides access to JSON methods. Functions in ``flask.json`` + will call methods on this provider when the application context + is active. Used for handling JSON requests and responses. + + An instance of :attr:`json_provider_class`. Can be customized by + changing that attribute on a subclass, or by assigning to this + attribute afterwards. + + The default, :class:`~flask.json.provider.DefaultJSONProvider`, + uses Python's built-in :mod:`json` library. A different provider + can use a different JSON library. + + .. versionadded:: 2.2 + """ + + #: A list of functions that are called by + #: :meth:`handle_url_build_error` when :meth:`.url_for` raises a + #: :exc:`~werkzeug.routing.BuildError`. Each function is called + #: with ``error``, ``endpoint`` and ``values``. If a function + #: returns ``None`` or raises a ``BuildError``, it is skipped. + #: Otherwise, its return value is returned by ``url_for``. + #: + #: .. versionadded:: 0.9 + self.url_build_error_handlers: list[ + t.Callable[[Exception, str, dict[str, t.Any]], str] + ] = [] + + #: A list of functions that are called when the application context + #: is destroyed. Since the application context is also torn down + #: if the request ends this is the place to store code that disconnects + #: from databases. + #: + #: .. versionadded:: 0.9 + self.teardown_appcontext_funcs: list[ft.TeardownCallable] = [] + + #: A list of shell context processor functions that should be run + #: when a shell context is created. + #: + #: .. versionadded:: 0.11 + self.shell_context_processors: list[ft.ShellContextProcessorCallable] = [] + + #: Maps registered blueprint names to blueprint objects. The + #: dict retains the order the blueprints were registered in. + #: Blueprints can be registered multiple times, this dict does + #: not track how often they were attached. + #: + #: .. versionadded:: 0.7 + self.blueprints: dict[str, Blueprint] = {} + + #: a place where extensions can store application specific state. For + #: example this is where an extension could store database engines and + #: similar things. + #: + #: The key must match the name of the extension module. For example in + #: case of a "Flask-Foo" extension in `flask_foo`, the key would be + #: ``'foo'``. + #: + #: .. versionadded:: 0.7 + self.extensions: dict = {} + + #: The :class:`~werkzeug.routing.Map` for this instance. You can use + #: this to change the routing converters after the class was created + #: but before any routes are connected. Example:: + #: + #: from werkzeug.routing import BaseConverter + #: + #: class ListConverter(BaseConverter): + #: def to_python(self, value): + #: return value.split(',') + #: def to_url(self, values): + #: return ','.join(super(ListConverter, self).to_url(value) + #: for value in values) + #: + #: app = Flask(__name__) + #: app.url_map.converters['list'] = ListConverter + self.url_map = self.url_map_class() + + self.url_map.host_matching = host_matching + self.subdomain_matching = subdomain_matching + + # tracks internally if the application already handled at least one + # request. + self._got_first_request = False + + # Add a static route using the provided static_url_path, static_host, + # and static_folder if there is a configured static_folder. + # Note we do this without checking if static_folder exists. + # For one, it might be created while the server is running (e.g. during + # development). Also, Google App Engine stores static files somewhere + if self.has_static_folder: + assert ( + bool(static_host) == host_matching + ), "Invalid static_host/host_matching combination" + # Use a weakref to avoid creating a reference cycle between the app + # and the view function (see #3761). + self_ref = weakref.ref(self) + self.add_url_rule( + f"{self.static_url_path}/", + endpoint="static", + host=static_host, + view_func=lambda **kw: self_ref().send_static_file(**kw), # type: ignore # noqa: B950 + ) + + # Set the name of the Click group in case someone wants to add + # the app's commands to another CLI tool. + self.cli.name = self.name + + def _check_setup_finished(self, f_name: str) -> None: + if self._got_first_request: + raise AssertionError( + f"The setup method '{f_name}' can no longer be called" + " on the application. It has already handled its first" + " request, any changes will not be applied" + " consistently.\n" + "Make sure all imports, decorators, functions, etc." + " needed to set up the application are done before" + " running it." + ) + + @cached_property + def name(self) -> str: # type: ignore + """The name of the application. This is usually the import name + with the difference that it's guessed from the run file if the + import name is main. This name is used as a display name when + Flask needs the name of the application. It can be set and overridden + to change the value. + + .. versionadded:: 0.8 + """ + if self.import_name == "__main__": + fn = getattr(sys.modules["__main__"], "__file__", None) + if fn is None: + return "__main__" + return os.path.splitext(os.path.basename(fn))[0] + return self.import_name + + @cached_property + def logger(self) -> logging.Logger: + """A standard Python :class:`~logging.Logger` for the app, with + the same name as :attr:`name`. + + In debug mode, the logger's :attr:`~logging.Logger.level` will + be set to :data:`~logging.DEBUG`. + + If there are no handlers configured, a default handler will be + added. See :doc:`/logging` for more information. + + .. versionchanged:: 1.1.0 + The logger takes the same name as :attr:`name` rather than + hard-coding ``"flask.app"``. + + .. versionchanged:: 1.0.0 + Behavior was simplified. The logger is always named + ``"flask.app"``. The level is only set during configuration, + it doesn't check ``app.debug`` each time. Only one format is + used, not different ones depending on ``app.debug``. No + handlers are removed, and a handler is only added if no + handlers are already configured. + + .. versionadded:: 0.3 + """ + return create_logger(self) + + @cached_property + def jinja_env(self) -> Environment: + """The Jinja environment used to load templates. + + The environment is created the first time this property is + accessed. Changing :attr:`jinja_options` after that will have no + effect. + """ + return self.create_jinja_environment() + + @property + def got_first_request(self) -> bool: + """This attribute is set to ``True`` if the application started + handling the first request. + + .. deprecated:: 2.3 + Will be removed in Flask 2.4. + + .. versionadded:: 0.8 + """ + import warnings + + warnings.warn( + "'got_first_request' is deprecated and will be removed in Flask 2.4.", + DeprecationWarning, + stacklevel=2, + ) + return self._got_first_request + + def make_config(self, instance_relative: bool = False) -> Config: + """Used to create the config attribute by the Flask constructor. + The `instance_relative` parameter is passed in from the constructor + of Flask (there named `instance_relative_config`) and indicates if + the config should be relative to the instance path or the root path + of the application. + + .. versionadded:: 0.8 + """ + root_path = self.root_path + if instance_relative: + root_path = self.instance_path + defaults = dict(self.default_config) + defaults["DEBUG"] = get_debug_flag() + return self.config_class(root_path, defaults) + + def make_aborter(self) -> Aborter: + """Create the object to assign to :attr:`aborter`. That object + is called by :func:`flask.abort` to raise HTTP errors, and can + be called directly as well. + + By default, this creates an instance of :attr:`aborter_class`, + which defaults to :class:`werkzeug.exceptions.Aborter`. + + .. versionadded:: 2.2 + """ + return self.aborter_class() + + def auto_find_instance_path(self) -> str: + """Tries to locate the instance path if it was not provided to the + constructor of the application class. It will basically calculate + the path to a folder named ``instance`` next to your main file or + the package. + + .. versionadded:: 0.8 + """ + prefix, package_path = find_package(self.import_name) + if prefix is None: + return os.path.join(package_path, "instance") + return os.path.join(prefix, "var", f"{self.name}-instance") + + def open_instance_resource(self, resource: str, mode: str = "rb") -> t.IO[t.AnyStr]: + """Opens a resource from the application's instance folder + (:attr:`instance_path`). Otherwise works like + :meth:`open_resource`. Instance resources can also be opened for + writing. + + :param resource: the name of the resource. To access resources within + subfolders use forward slashes as separator. + :param mode: resource file opening mode, default is 'rb'. + """ + return open(os.path.join(self.instance_path, resource), mode) + + def create_jinja_environment(self) -> Environment: + """Create the Jinja environment based on :attr:`jinja_options` + and the various Jinja-related methods of the app. Changing + :attr:`jinja_options` after this will have no effect. Also adds + Flask-related globals and filters to the environment. + + .. versionchanged:: 0.11 + ``Environment.auto_reload`` set in accordance with + ``TEMPLATES_AUTO_RELOAD`` configuration option. + + .. versionadded:: 0.5 + """ + options = dict(self.jinja_options) + + if "autoescape" not in options: + options["autoescape"] = self.select_jinja_autoescape + + if "auto_reload" not in options: + auto_reload = self.config["TEMPLATES_AUTO_RELOAD"] + + if auto_reload is None: + auto_reload = self.debug + + options["auto_reload"] = auto_reload + + rv = self.jinja_environment(self, **options) + rv.globals.update( + url_for=self.url_for, + get_flashed_messages=get_flashed_messages, + config=self.config, + # request, session and g are normally added with the + # context processor for efficiency reasons but for imported + # templates we also want the proxies in there. + request=request, + session=session, + g=g, + ) + rv.policies["json.dumps_function"] = self.json.dumps + return rv + + def create_global_jinja_loader(self) -> DispatchingJinjaLoader: + """Creates the loader for the Jinja2 environment. Can be used to + override just the loader and keeping the rest unchanged. It's + discouraged to override this function. Instead one should override + the :meth:`jinja_loader` function instead. + + The global loader dispatches between the loaders of the application + and the individual blueprints. + + .. versionadded:: 0.7 + """ + return DispatchingJinjaLoader(self) + + def select_jinja_autoescape(self, filename: str) -> bool: + """Returns ``True`` if autoescaping should be active for the given + template name. If no template name is given, returns `True`. + + .. versionchanged:: 2.2 + Autoescaping is now enabled by default for ``.svg`` files. + + .. versionadded:: 0.5 + """ + if filename is None: + return True + return filename.endswith((".html", ".htm", ".xml", ".xhtml", ".svg")) + + def update_template_context(self, context: dict) -> None: + """Update the template context with some commonly used variables. + This injects request, session, config and g into the template + context as well as everything template context processors want + to inject. Note that the as of Flask 0.6, the original values + in the context will not be overridden if a context processor + decides to return a value with the same key. + + :param context: the context as a dictionary that is updated in place + to add extra variables. + """ + names: t.Iterable[str | None] = (None,) + + # A template may be rendered outside a request context. + if request: + names = chain(names, reversed(request.blueprints)) + + # The values passed to render_template take precedence. Keep a + # copy to re-apply after all context functions. + orig_ctx = context.copy() + + for name in names: + if name in self.template_context_processors: + for func in self.template_context_processors[name]: + context.update(func()) + + context.update(orig_ctx) + + def make_shell_context(self) -> dict: + """Returns the shell context for an interactive shell for this + application. This runs all the registered shell context + processors. + + .. versionadded:: 0.11 + """ + rv = {"app": self, "g": g} + for processor in self.shell_context_processors: + rv.update(processor()) + return rv + + @property + def debug(self) -> bool: + """Whether debug mode is enabled. When using ``flask run`` to start the + development server, an interactive debugger will be shown for unhandled + exceptions, and the server will be reloaded when code changes. This maps to the + :data:`DEBUG` config key. It may not behave as expected if set late. + + **Do not enable debug mode when deploying in production.** + + Default: ``False`` + """ + return self.config["DEBUG"] + + @debug.setter + def debug(self, value: bool) -> None: + self.config["DEBUG"] = value + + if self.config["TEMPLATES_AUTO_RELOAD"] is None: + self.jinja_env.auto_reload = value + + def run( + self, + host: str | None = None, + port: int | None = None, + debug: bool | None = None, + load_dotenv: bool = True, + **options: t.Any, + ) -> None: + """Runs the application on a local development server. + + Do not use ``run()`` in a production setting. It is not intended to + meet security and performance requirements for a production server. + Instead, see :doc:`/deploying/index` for WSGI server recommendations. + + If the :attr:`debug` flag is set the server will automatically reload + for code changes and show a debugger in case an exception happened. + + If you want to run the application in debug mode, but disable the + code execution on the interactive debugger, you can pass + ``use_evalex=False`` as parameter. This will keep the debugger's + traceback screen active, but disable code execution. + + It is not recommended to use this function for development with + automatic reloading as this is badly supported. Instead you should + be using the :command:`flask` command line script's ``run`` support. + + .. admonition:: Keep in Mind + + Flask will suppress any server error with a generic error page + unless it is in debug mode. As such to enable just the + interactive debugger without the code reloading, you have to + invoke :meth:`run` with ``debug=True`` and ``use_reloader=False``. + Setting ``use_debugger`` to ``True`` without being in debug mode + won't catch any exceptions because there won't be any to + catch. + + :param host: the hostname to listen on. Set this to ``'0.0.0.0'`` to + have the server available externally as well. Defaults to + ``'127.0.0.1'`` or the host in the ``SERVER_NAME`` config variable + if present. + :param port: the port of the webserver. Defaults to ``5000`` or the + port defined in the ``SERVER_NAME`` config variable if present. + :param debug: if given, enable or disable debug mode. See + :attr:`debug`. + :param load_dotenv: Load the nearest :file:`.env` and :file:`.flaskenv` + files to set environment variables. Will also change the working + directory to the directory containing the first file found. + :param options: the options to be forwarded to the underlying Werkzeug + server. See :func:`werkzeug.serving.run_simple` for more + information. + + .. versionchanged:: 1.0 + If installed, python-dotenv will be used to load environment + variables from :file:`.env` and :file:`.flaskenv` files. + + The :envvar:`FLASK_DEBUG` environment variable will override :attr:`debug`. + + Threaded mode is enabled by default. + + .. versionchanged:: 0.10 + The default port is now picked from the ``SERVER_NAME`` + variable. + """ + # Ignore this call so that it doesn't start another server if + # the 'flask run' command is used. + if os.environ.get("FLASK_RUN_FROM_CLI") == "true": + if not is_running_from_reloader(): + click.secho( + " * Ignoring a call to 'app.run()' that would block" + " the current 'flask' CLI command.\n" + " Only call 'app.run()' in an 'if __name__ ==" + ' "__main__"\' guard.', + fg="red", + ) + + return + + if get_load_dotenv(load_dotenv): + cli.load_dotenv() + + # if set, env var overrides existing value + if "FLASK_DEBUG" in os.environ: + self.debug = get_debug_flag() + + # debug passed to method overrides all other sources + if debug is not None: + self.debug = bool(debug) + + server_name = self.config.get("SERVER_NAME") + sn_host = sn_port = None + + if server_name: + sn_host, _, sn_port = server_name.partition(":") + + if not host: + if sn_host: + host = sn_host + else: + host = "127.0.0.1" + + if port or port == 0: + port = int(port) + elif sn_port: + port = int(sn_port) + else: + port = 5000 + + options.setdefault("use_reloader", self.debug) + options.setdefault("use_debugger", self.debug) + options.setdefault("threaded", True) + + cli.show_server_banner(self.debug, self.name) + + from werkzeug.serving import run_simple + + try: + run_simple(t.cast(str, host), port, self, **options) + finally: + # reset the first request information if the development server + # reset normally. This makes it possible to restart the server + # without reloader and that stuff from an interactive shell. + self._got_first_request = False + + def test_client(self, use_cookies: bool = True, **kwargs: t.Any) -> FlaskClient: + """Creates a test client for this application. For information + about unit testing head over to :doc:`/testing`. + + Note that if you are testing for assertions or exceptions in your + application code, you must set ``app.testing = True`` in order for the + exceptions to propagate to the test client. Otherwise, the exception + will be handled by the application (not visible to the test client) and + the only indication of an AssertionError or other exception will be a + 500 status code response to the test client. See the :attr:`testing` + attribute. For example:: + + app.testing = True + client = app.test_client() + + The test client can be used in a ``with`` block to defer the closing down + of the context until the end of the ``with`` block. This is useful if + you want to access the context locals for testing:: + + with app.test_client() as c: + rv = c.get('/?vodka=42') + assert request.args['vodka'] == '42' + + Additionally, you may pass optional keyword arguments that will then + be passed to the application's :attr:`test_client_class` constructor. + For example:: + + from flask.testing import FlaskClient + + class CustomClient(FlaskClient): + def __init__(self, *args, **kwargs): + self._authentication = kwargs.pop("authentication") + super(CustomClient,self).__init__( *args, **kwargs) + + app.test_client_class = CustomClient + client = app.test_client(authentication='Basic ....') + + See :class:`~flask.testing.FlaskClient` for more information. + + .. versionchanged:: 0.4 + added support for ``with`` block usage for the client. + + .. versionadded:: 0.7 + The `use_cookies` parameter was added as well as the ability + to override the client to be used by setting the + :attr:`test_client_class` attribute. + + .. versionchanged:: 0.11 + Added `**kwargs` to support passing additional keyword arguments to + the constructor of :attr:`test_client_class`. + """ + cls = self.test_client_class + if cls is None: + from .testing import FlaskClient as cls + return cls( # type: ignore + self, self.response_class, use_cookies=use_cookies, **kwargs + ) + + def test_cli_runner(self, **kwargs: t.Any) -> FlaskCliRunner: + """Create a CLI runner for testing CLI commands. + See :ref:`testing-cli`. + + Returns an instance of :attr:`test_cli_runner_class`, by default + :class:`~flask.testing.FlaskCliRunner`. The Flask app object is + passed as the first argument. + + .. versionadded:: 1.0 + """ + cls = self.test_cli_runner_class + + if cls is None: + from .testing import FlaskCliRunner as cls + + return cls(self, **kwargs) # type: ignore + + @setupmethod + def register_blueprint(self, blueprint: Blueprint, **options: t.Any) -> None: + """Register a :class:`~flask.Blueprint` on the application. Keyword + arguments passed to this method will override the defaults set on the + blueprint. + + Calls the blueprint's :meth:`~flask.Blueprint.register` method after + recording the blueprint in the application's :attr:`blueprints`. + + :param blueprint: The blueprint to register. + :param url_prefix: Blueprint routes will be prefixed with this. + :param subdomain: Blueprint routes will match on this subdomain. + :param url_defaults: Blueprint routes will use these default values for + view arguments. + :param options: Additional keyword arguments are passed to + :class:`~flask.blueprints.BlueprintSetupState`. They can be + accessed in :meth:`~flask.Blueprint.record` callbacks. + + .. versionchanged:: 2.0.1 + The ``name`` option can be used to change the (pre-dotted) + name the blueprint is registered with. This allows the same + blueprint to be registered multiple times with unique names + for ``url_for``. + + .. versionadded:: 0.7 + """ + blueprint.register(self, options) + + def iter_blueprints(self) -> t.ValuesView[Blueprint]: + """Iterates over all blueprints by the order they were registered. + + .. versionadded:: 0.11 + """ + return self.blueprints.values() + + @setupmethod + def add_url_rule( + self, + rule: str, + endpoint: str | None = None, + view_func: ft.RouteCallable | None = None, + provide_automatic_options: bool | None = None, + **options: t.Any, + ) -> None: + if endpoint is None: + endpoint = _endpoint_from_view_func(view_func) # type: ignore + options["endpoint"] = endpoint + methods = options.pop("methods", None) + + # if the methods are not given and the view_func object knows its + # methods we can use that instead. If neither exists, we go with + # a tuple of only ``GET`` as default. + if methods is None: + methods = getattr(view_func, "methods", None) or ("GET",) + if isinstance(methods, str): + raise TypeError( + "Allowed methods must be a list of strings, for" + ' example: @app.route(..., methods=["POST"])' + ) + methods = {item.upper() for item in methods} + + # Methods that should always be added + required_methods = set(getattr(view_func, "required_methods", ())) + + # starting with Flask 0.8 the view_func object can disable and + # force-enable the automatic options handling. + if provide_automatic_options is None: + provide_automatic_options = getattr( + view_func, "provide_automatic_options", None + ) + + if provide_automatic_options is None: + if "OPTIONS" not in methods: + provide_automatic_options = True + required_methods.add("OPTIONS") + else: + provide_automatic_options = False + + # Add the required methods now. + methods |= required_methods + + rule = self.url_rule_class(rule, methods=methods, **options) + rule.provide_automatic_options = provide_automatic_options # type: ignore + + self.url_map.add(rule) + if view_func is not None: + old_func = self.view_functions.get(endpoint) + if old_func is not None and old_func != view_func: + raise AssertionError( + "View function mapping is overwriting an existing" + f" endpoint function: {endpoint}" + ) + self.view_functions[endpoint] = view_func + + @setupmethod + def template_filter( + self, name: str | None = None + ) -> t.Callable[[T_template_filter], T_template_filter]: + """A decorator that is used to register custom template filter. + You can specify a name for the filter, otherwise the function + name will be used. Example:: + + @app.template_filter() + def reverse(s): + return s[::-1] + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + + def decorator(f: T_template_filter) -> T_template_filter: + self.add_template_filter(f, name=name) + return f + + return decorator + + @setupmethod + def add_template_filter( + self, f: ft.TemplateFilterCallable, name: str | None = None + ) -> None: + """Register a custom template filter. Works exactly like the + :meth:`template_filter` decorator. + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + self.jinja_env.filters[name or f.__name__] = f + + @setupmethod + def template_test( + self, name: str | None = None + ) -> t.Callable[[T_template_test], T_template_test]: + """A decorator that is used to register custom template test. + You can specify a name for the test, otherwise the function + name will be used. Example:: + + @app.template_test() + def is_prime(n): + if n == 2: + return True + for i in range(2, int(math.ceil(math.sqrt(n))) + 1): + if n % i == 0: + return False + return True + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + + def decorator(f: T_template_test) -> T_template_test: + self.add_template_test(f, name=name) + return f + + return decorator + + @setupmethod + def add_template_test( + self, f: ft.TemplateTestCallable, name: str | None = None + ) -> None: + """Register a custom template test. Works exactly like the + :meth:`template_test` decorator. + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + self.jinja_env.tests[name or f.__name__] = f + + @setupmethod + def template_global( + self, name: str | None = None + ) -> t.Callable[[T_template_global], T_template_global]: + """A decorator that is used to register a custom template global function. + You can specify a name for the global function, otherwise the function + name will be used. Example:: + + @app.template_global() + def double(n): + return 2 * n + + .. versionadded:: 0.10 + + :param name: the optional name of the global function, otherwise the + function name will be used. + """ + + def decorator(f: T_template_global) -> T_template_global: + self.add_template_global(f, name=name) + return f + + return decorator + + @setupmethod + def add_template_global( + self, f: ft.TemplateGlobalCallable, name: str | None = None + ) -> None: + """Register a custom template global function. Works exactly like the + :meth:`template_global` decorator. + + .. versionadded:: 0.10 + + :param name: the optional name of the global function, otherwise the + function name will be used. + """ + self.jinja_env.globals[name or f.__name__] = f + + @setupmethod + def teardown_appcontext(self, f: T_teardown) -> T_teardown: + """Registers a function to be called when the application + context is popped. The application context is typically popped + after the request context for each request, at the end of CLI + commands, or after a manually pushed context ends. + + .. code-block:: python + + with app.app_context(): + ... + + When the ``with`` block exits (or ``ctx.pop()`` is called), the + teardown functions are called just before the app context is + made inactive. Since a request context typically also manages an + application context it would also be called when you pop a + request context. + + When a teardown function was called because of an unhandled + exception it will be passed an error object. If an + :meth:`errorhandler` is registered, it will handle the exception + and the teardown will not receive it. + + Teardown functions must avoid raising exceptions. If they + execute code that might fail they must surround that code with a + ``try``/``except`` block and log any errors. + + The return values of teardown functions are ignored. + + .. versionadded:: 0.9 + """ + self.teardown_appcontext_funcs.append(f) + return f + + @setupmethod + def shell_context_processor( + self, f: T_shell_context_processor + ) -> T_shell_context_processor: + """Registers a shell context processor function. + + .. versionadded:: 0.11 + """ + self.shell_context_processors.append(f) + return f + + def _find_error_handler(self, e: Exception) -> ft.ErrorHandlerCallable | None: + """Return a registered error handler for an exception in this order: + blueprint handler for a specific code, app handler for a specific code, + blueprint handler for an exception class, app handler for an exception + class, or ``None`` if a suitable handler is not found. + """ + exc_class, code = self._get_exc_class_and_code(type(e)) + names = (*request.blueprints, None) + + for c in (code, None) if code is not None else (None,): + for name in names: + handler_map = self.error_handler_spec[name][c] + + if not handler_map: + continue + + for cls in exc_class.__mro__: + handler = handler_map.get(cls) + + if handler is not None: + return handler + return None + + def handle_http_exception( + self, e: HTTPException + ) -> HTTPException | ft.ResponseReturnValue: + """Handles an HTTP exception. By default this will invoke the + registered error handlers and fall back to returning the + exception as response. + + .. versionchanged:: 1.0.3 + ``RoutingException``, used internally for actions such as + slash redirects during routing, is not passed to error + handlers. + + .. versionchanged:: 1.0 + Exceptions are looked up by code *and* by MRO, so + ``HTTPException`` subclasses can be handled with a catch-all + handler for the base ``HTTPException``. + + .. versionadded:: 0.3 + """ + # Proxy exceptions don't have error codes. We want to always return + # those unchanged as errors + if e.code is None: + return e + + # RoutingExceptions are used internally to trigger routing + # actions, such as slash redirects raising RequestRedirect. They + # are not raised or handled in user code. + if isinstance(e, RoutingException): + return e + + handler = self._find_error_handler(e) + if handler is None: + return e + return self.ensure_sync(handler)(e) + + def trap_http_exception(self, e: Exception) -> bool: + """Checks if an HTTP exception should be trapped or not. By default + this will return ``False`` for all exceptions except for a bad request + key error if ``TRAP_BAD_REQUEST_ERRORS`` is set to ``True``. It + also returns ``True`` if ``TRAP_HTTP_EXCEPTIONS`` is set to ``True``. + + This is called for all HTTP exceptions raised by a view function. + If it returns ``True`` for any exception the error handler for this + exception is not called and it shows up as regular exception in the + traceback. This is helpful for debugging implicitly raised HTTP + exceptions. + + .. versionchanged:: 1.0 + Bad request errors are not trapped by default in debug mode. + + .. versionadded:: 0.8 + """ + if self.config["TRAP_HTTP_EXCEPTIONS"]: + return True + + trap_bad_request = self.config["TRAP_BAD_REQUEST_ERRORS"] + + # if unset, trap key errors in debug mode + if ( + trap_bad_request is None + and self.debug + and isinstance(e, BadRequestKeyError) + ): + return True + + if trap_bad_request: + return isinstance(e, BadRequest) + + return False + + def handle_user_exception( + self, e: Exception + ) -> HTTPException | ft.ResponseReturnValue: + """This method is called whenever an exception occurs that + should be handled. A special case is :class:`~werkzeug + .exceptions.HTTPException` which is forwarded to the + :meth:`handle_http_exception` method. This function will either + return a response value or reraise the exception with the same + traceback. + + .. versionchanged:: 1.0 + Key errors raised from request data like ``form`` show the + bad key in debug mode rather than a generic bad request + message. + + .. versionadded:: 0.7 + """ + if isinstance(e, BadRequestKeyError) and ( + self.debug or self.config["TRAP_BAD_REQUEST_ERRORS"] + ): + e.show_exception = True + + if isinstance(e, HTTPException) and not self.trap_http_exception(e): + return self.handle_http_exception(e) + + handler = self._find_error_handler(e) + + if handler is None: + raise + + return self.ensure_sync(handler)(e) + + def handle_exception(self, e: Exception) -> Response: + """Handle an exception that did not have an error handler + associated with it, or that was raised from an error handler. + This always causes a 500 ``InternalServerError``. + + Always sends the :data:`got_request_exception` signal. + + If :data:`PROPAGATE_EXCEPTIONS` is ``True``, such as in debug + mode, the error will be re-raised so that the debugger can + display it. Otherwise, the original exception is logged, and + an :exc:`~werkzeug.exceptions.InternalServerError` is returned. + + If an error handler is registered for ``InternalServerError`` or + ``500``, it will be used. For consistency, the handler will + always receive the ``InternalServerError``. The original + unhandled exception is available as ``e.original_exception``. + + .. versionchanged:: 1.1.0 + Always passes the ``InternalServerError`` instance to the + handler, setting ``original_exception`` to the unhandled + error. + + .. versionchanged:: 1.1.0 + ``after_request`` functions and other finalization is done + even for the default 500 response when there is no handler. + + .. versionadded:: 0.3 + """ + exc_info = sys.exc_info() + got_request_exception.send(self, _async_wrapper=self.ensure_sync, exception=e) + propagate = self.config["PROPAGATE_EXCEPTIONS"] + + if propagate is None: + propagate = self.testing or self.debug + + if propagate: + # Re-raise if called with an active exception, otherwise + # raise the passed in exception. + if exc_info[1] is e: + raise + + raise e + + self.log_exception(exc_info) + server_error: InternalServerError | ft.ResponseReturnValue + server_error = InternalServerError(original_exception=e) + handler = self._find_error_handler(server_error) + + if handler is not None: + server_error = self.ensure_sync(handler)(server_error) + + return self.finalize_request(server_error, from_error_handler=True) + + def log_exception( + self, + exc_info: (tuple[type, BaseException, TracebackType] | tuple[None, None, None]), + ) -> None: + """Logs an exception. This is called by :meth:`handle_exception` + if debugging is disabled and right before the handler is called. + The default implementation logs the exception as error on the + :attr:`logger`. + + .. versionadded:: 0.8 + """ + self.logger.error( + f"Exception on {request.path} [{request.method}]", exc_info=exc_info + ) + + def raise_routing_exception(self, request: Request) -> t.NoReturn: + """Intercept routing exceptions and possibly do something else. + + In debug mode, intercept a routing redirect and replace it with + an error if the body will be discarded. + + With modern Werkzeug this shouldn't occur, since it now uses a + 308 status which tells the browser to resend the method and + body. + + .. versionchanged:: 2.1 + Don't intercept 307 and 308 redirects. + + :meta private: + :internal: + """ + if ( + not self.debug + or not isinstance(request.routing_exception, RequestRedirect) + or request.routing_exception.code in {307, 308} + or request.method in {"GET", "HEAD", "OPTIONS"} + ): + raise request.routing_exception # type: ignore + + from .debughelpers import FormDataRoutingRedirect + + raise FormDataRoutingRedirect(request) + + def dispatch_request(self) -> ft.ResponseReturnValue: + """Does the request dispatching. Matches the URL and returns the + return value of the view or error handler. This does not have to + be a response object. In order to convert the return value to a + proper response object, call :func:`make_response`. + + .. versionchanged:: 0.7 + This no longer does the exception handling, this code was + moved to the new :meth:`full_dispatch_request`. + """ + req = request_ctx.request + if req.routing_exception is not None: + self.raise_routing_exception(req) + rule: Rule = req.url_rule # type: ignore[assignment] + # if we provide automatic options for this URL and the + # request came with the OPTIONS method, reply automatically + if ( + getattr(rule, "provide_automatic_options", False) + and req.method == "OPTIONS" + ): + return self.make_default_options_response() + # otherwise dispatch to the handler for that endpoint + view_args: dict[str, t.Any] = req.view_args # type: ignore[assignment] + return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) + + def full_dispatch_request(self) -> Response: + """Dispatches the request and on top of that performs request + pre and postprocessing as well as HTTP exception catching and + error handling. + + .. versionadded:: 0.7 + """ + self._got_first_request = True + + try: + request_started.send(self, _async_wrapper=self.ensure_sync) + rv = self.preprocess_request() + if rv is None: + rv = self.dispatch_request() + except Exception as e: + rv = self.handle_user_exception(e) + return self.finalize_request(rv) + + def finalize_request( + self, + rv: ft.ResponseReturnValue | HTTPException, + from_error_handler: bool = False, + ) -> Response: + """Given the return value from a view function this finalizes + the request by converting it into a response and invoking the + postprocessing functions. This is invoked for both normal + request dispatching as well as error handlers. + + Because this means that it might be called as a result of a + failure a special safe mode is available which can be enabled + with the `from_error_handler` flag. If enabled, failures in + response processing will be logged and otherwise ignored. + + :internal: + """ + response = self.make_response(rv) + try: + response = self.process_response(response) + request_finished.send( + self, _async_wrapper=self.ensure_sync, response=response + ) + except Exception: + if not from_error_handler: + raise + self.logger.exception( + "Request finalizing failed with an error while handling an error" + ) + return response + + def make_default_options_response(self) -> Response: + """This method is called to create the default ``OPTIONS`` response. + This can be changed through subclassing to change the default + behavior of ``OPTIONS`` responses. + + .. versionadded:: 0.7 + """ + adapter = request_ctx.url_adapter + methods = adapter.allowed_methods() # type: ignore[union-attr] + rv = self.response_class() + rv.allow.update(methods) + return rv + + def should_ignore_error(self, error: BaseException | None) -> bool: + """This is called to figure out if an error should be ignored + or not as far as the teardown system is concerned. If this + function returns ``True`` then the teardown handlers will not be + passed the error. + + .. versionadded:: 0.10 + """ + return False + + def ensure_sync(self, func: t.Callable) -> t.Callable: + """Ensure that the function is synchronous for WSGI workers. + Plain ``def`` functions are returned as-is. ``async def`` + functions are wrapped to run and wait for the response. + + Override this method to change how the app runs async views. + + .. versionadded:: 2.0 + """ + if iscoroutinefunction(func): + return self.async_to_sync(func) + + return func + + def async_to_sync( + self, func: t.Callable[..., t.Coroutine] + ) -> t.Callable[..., t.Any]: + """Return a sync function that will run the coroutine function. + + .. code-block:: python + + result = app.async_to_sync(func)(*args, **kwargs) + + Override this method to change how the app converts async code + to be synchronously callable. + + .. versionadded:: 2.0 + """ + try: + from asgiref.sync import async_to_sync as asgiref_async_to_sync + except ImportError: + raise RuntimeError( + "Install Flask with the 'async' extra in order to use async views." + ) from None + + return asgiref_async_to_sync(func) + + def url_for( + self, + endpoint: str, + *, + _anchor: str | None = None, + _method: str | None = None, + _scheme: str | None = None, + _external: bool | None = None, + **values: t.Any, + ) -> str: + """Generate a URL to the given endpoint with the given values. + + This is called by :func:`flask.url_for`, and can be called + directly as well. + + An *endpoint* is the name of a URL rule, usually added with + :meth:`@app.route() `, and usually the same name as the + view function. A route defined in a :class:`~flask.Blueprint` + will prepend the blueprint's name separated by a ``.`` to the + endpoint. + + In some cases, such as email messages, you want URLs to include + the scheme and domain, like ``https://example.com/hello``. When + not in an active request, URLs will be external by default, but + this requires setting :data:`SERVER_NAME` so Flask knows what + domain to use. :data:`APPLICATION_ROOT` and + :data:`PREFERRED_URL_SCHEME` should also be configured as + needed. This config is only used when not in an active request. + + Functions can be decorated with :meth:`url_defaults` to modify + keyword arguments before the URL is built. + + If building fails for some reason, such as an unknown endpoint + or incorrect values, the app's :meth:`handle_url_build_error` + method is called. If that returns a string, that is returned, + otherwise a :exc:`~werkzeug.routing.BuildError` is raised. + + :param endpoint: The endpoint name associated with the URL to + generate. If this starts with a ``.``, the current blueprint + name (if any) will be used. + :param _anchor: If given, append this as ``#anchor`` to the URL. + :param _method: If given, generate the URL associated with this + method for the endpoint. + :param _scheme: If given, the URL will have this scheme if it + is external. + :param _external: If given, prefer the URL to be internal + (False) or require it to be external (True). External URLs + include the scheme and domain. When not in an active + request, URLs are external by default. + :param values: Values to use for the variable parts of the URL + rule. Unknown keys are appended as query string arguments, + like ``?a=b&c=d``. + + .. versionadded:: 2.2 + Moved from ``flask.url_for``, which calls this method. + """ + req_ctx = _cv_request.get(None) + + if req_ctx is not None: + url_adapter = req_ctx.url_adapter + blueprint_name = req_ctx.request.blueprint + + # If the endpoint starts with "." and the request matches a + # blueprint, the endpoint is relative to the blueprint. + if endpoint[:1] == ".": + if blueprint_name is not None: + endpoint = f"{blueprint_name}{endpoint}" + else: + endpoint = endpoint[1:] + + # When in a request, generate a URL without scheme and + # domain by default, unless a scheme is given. + if _external is None: + _external = _scheme is not None + else: + app_ctx = _cv_app.get(None) + + # If called by helpers.url_for, an app context is active, + # use its url_adapter. Otherwise, app.url_for was called + # directly, build an adapter. + if app_ctx is not None: + url_adapter = app_ctx.url_adapter + else: + url_adapter = self.create_url_adapter(None) + + if url_adapter is None: + raise RuntimeError( + "Unable to build URLs outside an active request" + " without 'SERVER_NAME' configured. Also configure" + " 'APPLICATION_ROOT' and 'PREFERRED_URL_SCHEME' as" + " needed." + ) + + # When outside a request, generate a URL with scheme and + # domain by default. + if _external is None: + _external = True + + # It is an error to set _scheme when _external=False, in order + # to avoid accidental insecure URLs. + if _scheme is not None and not _external: + raise ValueError("When specifying '_scheme', '_external' must be True.") + + self.inject_url_defaults(endpoint, values) + + try: + rv = url_adapter.build( # type: ignore[union-attr] + endpoint, + values, + method=_method, + url_scheme=_scheme, + force_external=_external, + ) + except BuildError as error: + values.update( + _anchor=_anchor, _method=_method, _scheme=_scheme, _external=_external + ) + return self.handle_url_build_error(error, endpoint, values) + + if _anchor is not None: + _anchor = _url_quote(_anchor, safe="%!#$&'()*+,/:;=?@") + rv = f"{rv}#{_anchor}" + + return rv + + def redirect(self, location: str, code: int = 302) -> BaseResponse: + """Create a redirect response object. + + This is called by :func:`flask.redirect`, and can be called + directly as well. + + :param location: The URL to redirect to. + :param code: The status code for the redirect. + + .. versionadded:: 2.2 + Moved from ``flask.redirect``, which calls this method. + """ + return _wz_redirect(location, code=code, Response=self.response_class) + + def make_response(self, rv: ft.ResponseReturnValue) -> Response: + """Convert the return value from a view function to an instance of + :attr:`response_class`. + + :param rv: the return value from the view function. The view function + must return a response. Returning ``None``, or the view ending + without returning, is not allowed. The following types are allowed + for ``view_rv``: + + ``str`` + A response object is created with the string encoded to UTF-8 + as the body. + + ``bytes`` + A response object is created with the bytes as the body. + + ``dict`` + A dictionary that will be jsonify'd before being returned. + + ``list`` + A list that will be jsonify'd before being returned. + + ``generator`` or ``iterator`` + A generator that returns ``str`` or ``bytes`` to be + streamed as the response. + + ``tuple`` + Either ``(body, status, headers)``, ``(body, status)``, or + ``(body, headers)``, where ``body`` is any of the other types + allowed here, ``status`` is a string or an integer, and + ``headers`` is a dictionary or a list of ``(key, value)`` + tuples. If ``body`` is a :attr:`response_class` instance, + ``status`` overwrites the exiting value and ``headers`` are + extended. + + :attr:`response_class` + The object is returned unchanged. + + other :class:`~werkzeug.wrappers.Response` class + The object is coerced to :attr:`response_class`. + + :func:`callable` + The function is called as a WSGI application. The result is + used to create a response object. + + .. versionchanged:: 2.2 + A generator will be converted to a streaming response. + A list will be converted to a JSON response. + + .. versionchanged:: 1.1 + A dict will be converted to a JSON response. + + .. versionchanged:: 0.9 + Previously a tuple was interpreted as the arguments for the + response object. + """ + + status = headers = None + + # unpack tuple returns + if isinstance(rv, tuple): + len_rv = len(rv) + + # a 3-tuple is unpacked directly + if len_rv == 3: + rv, status, headers = rv # type: ignore[misc] + # decide if a 2-tuple has status or headers + elif len_rv == 2: + if isinstance(rv[1], (Headers, dict, tuple, list)): + rv, headers = rv + else: + rv, status = rv # type: ignore[assignment,misc] + # other sized tuples are not allowed + else: + raise TypeError( + "The view function did not return a valid response tuple." + " The tuple must have the form (body, status, headers)," + " (body, status), or (body, headers)." + ) + + # the body must not be None + if rv is None: + raise TypeError( + f"The view function for {request.endpoint!r} did not" + " return a valid response. The function either returned" + " None or ended without a return statement." + ) + + # make sure the body is an instance of the response class + if not isinstance(rv, self.response_class): + if isinstance(rv, (str, bytes, bytearray)) or isinstance(rv, _abc_Iterator): + # let the response class set the status and headers instead of + # waiting to do it manually, so that the class can handle any + # special logic + rv = self.response_class( + rv, + status=status, + headers=headers, # type: ignore[arg-type] + ) + status = headers = None + elif isinstance(rv, (dict, list)): + rv = self.json.response(rv) + elif isinstance(rv, BaseResponse) or callable(rv): + # evaluate a WSGI callable, or coerce a different response + # class to the correct type + try: + rv = self.response_class.force_type( + rv, request.environ # type: ignore[arg-type] + ) + except TypeError as e: + raise TypeError( + f"{e}\nThe view function did not return a valid" + " response. The return type must be a string," + " dict, list, tuple with headers or status," + " Response instance, or WSGI callable, but it" + f" was a {type(rv).__name__}." + ).with_traceback(sys.exc_info()[2]) from None + else: + raise TypeError( + "The view function did not return a valid" + " response. The return type must be a string," + " dict, list, tuple with headers or status," + " Response instance, or WSGI callable, but it was a" + f" {type(rv).__name__}." + ) + + rv = t.cast(Response, rv) + # prefer the status if it was provided + if status is not None: + if isinstance(status, (str, bytes, bytearray)): + rv.status = status + else: + rv.status_code = status + + # extend existing headers with provided headers + if headers: + rv.headers.update(headers) # type: ignore[arg-type] + + return rv + + def create_url_adapter(self, request: Request | None) -> MapAdapter | None: + """Creates a URL adapter for the given request. The URL adapter + is created at a point where the request context is not yet set + up so the request is passed explicitly. + + .. versionadded:: 0.6 + + .. versionchanged:: 0.9 + This can now also be called without a request object when the + URL adapter is created for the application context. + + .. versionchanged:: 1.0 + :data:`SERVER_NAME` no longer implicitly enables subdomain + matching. Use :attr:`subdomain_matching` instead. + """ + if request is not None: + # If subdomain matching is disabled (the default), use the + # default subdomain in all cases. This should be the default + # in Werkzeug but it currently does not have that feature. + if not self.subdomain_matching: + subdomain = self.url_map.default_subdomain or None + else: + subdomain = None + + return self.url_map.bind_to_environ( + request.environ, + server_name=self.config["SERVER_NAME"], + subdomain=subdomain, + ) + # We need at the very least the server name to be set for this + # to work. + if self.config["SERVER_NAME"] is not None: + return self.url_map.bind( + self.config["SERVER_NAME"], + script_name=self.config["APPLICATION_ROOT"], + url_scheme=self.config["PREFERRED_URL_SCHEME"], + ) + + return None + + def inject_url_defaults(self, endpoint: str, values: dict) -> None: + """Injects the URL defaults for the given endpoint directly into + the values dictionary passed. This is used internally and + automatically called on URL building. + + .. versionadded:: 0.7 + """ + names: t.Iterable[str | None] = (None,) + + # url_for may be called outside a request context, parse the + # passed endpoint instead of using request.blueprints. + if "." in endpoint: + names = chain( + names, reversed(_split_blueprint_path(endpoint.rpartition(".")[0])) + ) + + for name in names: + if name in self.url_default_functions: + for func in self.url_default_functions[name]: + func(endpoint, values) + + def handle_url_build_error( + self, error: BuildError, endpoint: str, values: dict[str, t.Any] + ) -> str: + """Called by :meth:`.url_for` if a + :exc:`~werkzeug.routing.BuildError` was raised. If this returns + a value, it will be returned by ``url_for``, otherwise the error + will be re-raised. + + Each function in :attr:`url_build_error_handlers` is called with + ``error``, ``endpoint`` and ``values``. If a function returns + ``None`` or raises a ``BuildError``, it is skipped. Otherwise, + its return value is returned by ``url_for``. + + :param error: The active ``BuildError`` being handled. + :param endpoint: The endpoint being built. + :param values: The keyword arguments passed to ``url_for``. + """ + for handler in self.url_build_error_handlers: + try: + rv = handler(error, endpoint, values) + except BuildError as e: + # make error available outside except block + error = e + else: + if rv is not None: + return rv + + # Re-raise if called with an active exception, otherwise raise + # the passed in exception. + if error is sys.exc_info()[1]: + raise + + raise error + + def preprocess_request(self) -> ft.ResponseReturnValue | None: + """Called before the request is dispatched. Calls + :attr:`url_value_preprocessors` registered with the app and the + current blueprint (if any). Then calls :attr:`before_request_funcs` + registered with the app and the blueprint. + + If any :meth:`before_request` handler returns a non-None value, the + value is handled as if it was the return value from the view, and + further request handling is stopped. + """ + names = (None, *reversed(request.blueprints)) + + for name in names: + if name in self.url_value_preprocessors: + for url_func in self.url_value_preprocessors[name]: + url_func(request.endpoint, request.view_args) + + for name in names: + if name in self.before_request_funcs: + for before_func in self.before_request_funcs[name]: + rv = self.ensure_sync(before_func)() + + if rv is not None: + return rv + + return None + + def process_response(self, response: Response) -> Response: + """Can be overridden in order to modify the response object + before it's sent to the WSGI server. By default this will + call all the :meth:`after_request` decorated functions. + + .. versionchanged:: 0.5 + As of Flask 0.5 the functions registered for after request + execution are called in reverse order of registration. + + :param response: a :attr:`response_class` object. + :return: a new response object or the same, has to be an + instance of :attr:`response_class`. + """ + ctx = request_ctx._get_current_object() # type: ignore[attr-defined] + + for func in ctx._after_request_functions: + response = self.ensure_sync(func)(response) + + for name in chain(request.blueprints, (None,)): + if name in self.after_request_funcs: + for func in reversed(self.after_request_funcs[name]): + response = self.ensure_sync(func)(response) + + if not self.session_interface.is_null_session(ctx.session): + self.session_interface.save_session(self, ctx.session, response) + + return response + + def do_teardown_request( + self, exc: BaseException | None = _sentinel # type: ignore + ) -> None: + """Called after the request is dispatched and the response is + returned, right before the request context is popped. + + This calls all functions decorated with + :meth:`teardown_request`, and :meth:`Blueprint.teardown_request` + if a blueprint handled the request. Finally, the + :data:`request_tearing_down` signal is sent. + + This is called by + :meth:`RequestContext.pop() `, + which may be delayed during testing to maintain access to + resources. + + :param exc: An unhandled exception raised while dispatching the + request. Detected from the current exception information if + not passed. Passed to each teardown function. + + .. versionchanged:: 0.9 + Added the ``exc`` argument. + """ + if exc is _sentinel: + exc = sys.exc_info()[1] + + for name in chain(request.blueprints, (None,)): + if name in self.teardown_request_funcs: + for func in reversed(self.teardown_request_funcs[name]): + self.ensure_sync(func)(exc) + + request_tearing_down.send(self, _async_wrapper=self.ensure_sync, exc=exc) + + def do_teardown_appcontext( + self, exc: BaseException | None = _sentinel # type: ignore + ) -> None: + """Called right before the application context is popped. + + When handling a request, the application context is popped + after the request context. See :meth:`do_teardown_request`. + + This calls all functions decorated with + :meth:`teardown_appcontext`. Then the + :data:`appcontext_tearing_down` signal is sent. + + This is called by + :meth:`AppContext.pop() `. + + .. versionadded:: 0.9 + """ + if exc is _sentinel: + exc = sys.exc_info()[1] + + for func in reversed(self.teardown_appcontext_funcs): + self.ensure_sync(func)(exc) + + appcontext_tearing_down.send(self, _async_wrapper=self.ensure_sync, exc=exc) + + def app_context(self) -> AppContext: + """Create an :class:`~flask.ctx.AppContext`. Use as a ``with`` + block to push the context, which will make :data:`current_app` + point at this application. + + An application context is automatically pushed by + :meth:`RequestContext.push() ` + when handling a request, and when running a CLI command. Use + this to manually create a context outside of these situations. + + :: + + with app.app_context(): + init_db() + + See :doc:`/appcontext`. + + .. versionadded:: 0.9 + """ + return AppContext(self) + + def request_context(self, environ: dict) -> RequestContext: + """Create a :class:`~flask.ctx.RequestContext` representing a + WSGI environment. Use a ``with`` block to push the context, + which will make :data:`request` point at this request. + + See :doc:`/reqcontext`. + + Typically you should not call this from your own code. A request + context is automatically pushed by the :meth:`wsgi_app` when + handling a request. Use :meth:`test_request_context` to create + an environment and context instead of this method. + + :param environ: a WSGI environment + """ + return RequestContext(self, environ) + + def test_request_context(self, *args: t.Any, **kwargs: t.Any) -> RequestContext: + """Create a :class:`~flask.ctx.RequestContext` for a WSGI + environment created from the given values. This is mostly useful + during testing, where you may want to run a function that uses + request data without dispatching a full request. + + See :doc:`/reqcontext`. + + Use a ``with`` block to push the context, which will make + :data:`request` point at the request for the created + environment. :: + + with app.test_request_context(...): + generate_report() + + When using the shell, it may be easier to push and pop the + context manually to avoid indentation. :: + + ctx = app.test_request_context(...) + ctx.push() + ... + ctx.pop() + + Takes the same arguments as Werkzeug's + :class:`~werkzeug.test.EnvironBuilder`, with some defaults from + the application. See the linked Werkzeug docs for most of the + available arguments. Flask-specific behavior is listed here. + + :param path: URL path being requested. + :param base_url: Base URL where the app is being served, which + ``path`` is relative to. If not given, built from + :data:`PREFERRED_URL_SCHEME`, ``subdomain``, + :data:`SERVER_NAME`, and :data:`APPLICATION_ROOT`. + :param subdomain: Subdomain name to append to + :data:`SERVER_NAME`. + :param url_scheme: Scheme to use instead of + :data:`PREFERRED_URL_SCHEME`. + :param data: The request body, either as a string or a dict of + form keys and values. + :param json: If given, this is serialized as JSON and passed as + ``data``. Also defaults ``content_type`` to + ``application/json``. + :param args: other positional arguments passed to + :class:`~werkzeug.test.EnvironBuilder`. + :param kwargs: other keyword arguments passed to + :class:`~werkzeug.test.EnvironBuilder`. + """ + from .testing import EnvironBuilder + + builder = EnvironBuilder(self, *args, **kwargs) + + try: + return self.request_context(builder.get_environ()) + finally: + builder.close() + + def wsgi_app(self, environ: dict, start_response: t.Callable) -> t.Any: + """The actual WSGI application. This is not implemented in + :meth:`__call__` so that middlewares can be applied without + losing a reference to the app object. Instead of doing this:: + + app = MyMiddleware(app) + + It's a better idea to do this instead:: + + app.wsgi_app = MyMiddleware(app.wsgi_app) + + Then you still have the original application object around and + can continue to call methods on it. + + .. versionchanged:: 0.7 + Teardown events for the request and app contexts are called + even if an unhandled error occurs. Other events may not be + called depending on when an error occurs during dispatch. + See :ref:`callbacks-and-errors`. + + :param environ: A WSGI environment. + :param start_response: A callable accepting a status code, + a list of headers, and an optional exception context to + start the response. + """ + ctx = self.request_context(environ) + error: BaseException | None = None + try: + try: + ctx.push() + response = self.full_dispatch_request() + except Exception as e: + error = e + response = self.handle_exception(e) + except: # noqa: B001 + error = sys.exc_info()[1] + raise + return response(environ, start_response) + finally: + if "werkzeug.debug.preserve_context" in environ: + environ["werkzeug.debug.preserve_context"](_cv_app.get()) + environ["werkzeug.debug.preserve_context"](_cv_request.get()) + + if error is not None and self.should_ignore_error(error): + error = None + + ctx.pop(error) + + def __call__(self, environ: dict, start_response: t.Callable) -> t.Any: + """The WSGI server calls the Flask application object as the + WSGI application. This calls :meth:`wsgi_app`, which can be + wrapped to apply middleware. + """ + return self.wsgi_app(environ, start_response) diff --git a/venv/lib/python3.12/site-packages/flask/blueprints.py b/venv/lib/python3.12/site-packages/flask/blueprints.py new file mode 100644 index 0000000..0407f86 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/blueprints.py @@ -0,0 +1,626 @@ +from __future__ import annotations + +import os +import typing as t +from collections import defaultdict +from functools import update_wrapper + +from . import typing as ft +from .scaffold import _endpoint_from_view_func +from .scaffold import _sentinel +from .scaffold import Scaffold +from .scaffold import setupmethod + +if t.TYPE_CHECKING: # pragma: no cover + from .app import Flask + +DeferredSetupFunction = t.Callable[["BlueprintSetupState"], t.Callable] +T_after_request = t.TypeVar("T_after_request", bound=ft.AfterRequestCallable) +T_before_request = t.TypeVar("T_before_request", bound=ft.BeforeRequestCallable) +T_error_handler = t.TypeVar("T_error_handler", bound=ft.ErrorHandlerCallable) +T_teardown = t.TypeVar("T_teardown", bound=ft.TeardownCallable) +T_template_context_processor = t.TypeVar( + "T_template_context_processor", bound=ft.TemplateContextProcessorCallable +) +T_template_filter = t.TypeVar("T_template_filter", bound=ft.TemplateFilterCallable) +T_template_global = t.TypeVar("T_template_global", bound=ft.TemplateGlobalCallable) +T_template_test = t.TypeVar("T_template_test", bound=ft.TemplateTestCallable) +T_url_defaults = t.TypeVar("T_url_defaults", bound=ft.URLDefaultCallable) +T_url_value_preprocessor = t.TypeVar( + "T_url_value_preprocessor", bound=ft.URLValuePreprocessorCallable +) + + +class BlueprintSetupState: + """Temporary holder object for registering a blueprint with the + application. An instance of this class is created by the + :meth:`~flask.Blueprint.make_setup_state` method and later passed + to all register callback functions. + """ + + def __init__( + self, + blueprint: Blueprint, + app: Flask, + options: t.Any, + first_registration: bool, + ) -> None: + #: a reference to the current application + self.app = app + + #: a reference to the blueprint that created this setup state. + self.blueprint = blueprint + + #: a dictionary with all options that were passed to the + #: :meth:`~flask.Flask.register_blueprint` method. + self.options = options + + #: as blueprints can be registered multiple times with the + #: application and not everything wants to be registered + #: multiple times on it, this attribute can be used to figure + #: out if the blueprint was registered in the past already. + self.first_registration = first_registration + + subdomain = self.options.get("subdomain") + if subdomain is None: + subdomain = self.blueprint.subdomain + + #: The subdomain that the blueprint should be active for, ``None`` + #: otherwise. + self.subdomain = subdomain + + url_prefix = self.options.get("url_prefix") + if url_prefix is None: + url_prefix = self.blueprint.url_prefix + #: The prefix that should be used for all URLs defined on the + #: blueprint. + self.url_prefix = url_prefix + + self.name = self.options.get("name", blueprint.name) + self.name_prefix = self.options.get("name_prefix", "") + + #: A dictionary with URL defaults that is added to each and every + #: URL that was defined with the blueprint. + self.url_defaults = dict(self.blueprint.url_values_defaults) + self.url_defaults.update(self.options.get("url_defaults", ())) + + def add_url_rule( + self, + rule: str, + endpoint: str | None = None, + view_func: t.Callable | None = None, + **options: t.Any, + ) -> None: + """A helper method to register a rule (and optionally a view function) + to the application. The endpoint is automatically prefixed with the + blueprint's name. + """ + if self.url_prefix is not None: + if rule: + rule = "/".join((self.url_prefix.rstrip("/"), rule.lstrip("/"))) + else: + rule = self.url_prefix + options.setdefault("subdomain", self.subdomain) + if endpoint is None: + endpoint = _endpoint_from_view_func(view_func) # type: ignore + defaults = self.url_defaults + if "defaults" in options: + defaults = dict(defaults, **options.pop("defaults")) + + self.app.add_url_rule( + rule, + f"{self.name_prefix}.{self.name}.{endpoint}".lstrip("."), + view_func, + defaults=defaults, + **options, + ) + + +class Blueprint(Scaffold): + """Represents a blueprint, a collection of routes and other + app-related functions that can be registered on a real application + later. + + A blueprint is an object that allows defining application functions + without requiring an application object ahead of time. It uses the + same decorators as :class:`~flask.Flask`, but defers the need for an + application by recording them for later registration. + + Decorating a function with a blueprint creates a deferred function + that is called with :class:`~flask.blueprints.BlueprintSetupState` + when the blueprint is registered on an application. + + See :doc:`/blueprints` for more information. + + :param name: The name of the blueprint. Will be prepended to each + endpoint name. + :param import_name: The name of the blueprint package, usually + ``__name__``. This helps locate the ``root_path`` for the + blueprint. + :param static_folder: A folder with static files that should be + served by the blueprint's static route. The path is relative to + the blueprint's root path. Blueprint static files are disabled + by default. + :param static_url_path: The url to serve static files from. + Defaults to ``static_folder``. If the blueprint does not have + a ``url_prefix``, the app's static route will take precedence, + and the blueprint's static files won't be accessible. + :param template_folder: A folder with templates that should be added + to the app's template search path. The path is relative to the + blueprint's root path. Blueprint templates are disabled by + default. Blueprint templates have a lower precedence than those + in the app's templates folder. + :param url_prefix: A path to prepend to all of the blueprint's URLs, + to make them distinct from the rest of the app's routes. + :param subdomain: A subdomain that blueprint routes will match on by + default. + :param url_defaults: A dict of default values that blueprint routes + will receive by default. + :param root_path: By default, the blueprint will automatically set + this based on ``import_name``. In certain situations this + automatic detection can fail, so the path can be specified + manually instead. + + .. versionchanged:: 1.1.0 + Blueprints have a ``cli`` group to register nested CLI commands. + The ``cli_group`` parameter controls the name of the group under + the ``flask`` command. + + .. versionadded:: 0.7 + """ + + _got_registered_once = False + + def __init__( + self, + name: str, + import_name: str, + static_folder: str | os.PathLike | None = None, + static_url_path: str | None = None, + template_folder: str | os.PathLike | None = None, + url_prefix: str | None = None, + subdomain: str | None = None, + url_defaults: dict | None = None, + root_path: str | None = None, + cli_group: str | None = _sentinel, # type: ignore + ): + super().__init__( + import_name=import_name, + static_folder=static_folder, + static_url_path=static_url_path, + template_folder=template_folder, + root_path=root_path, + ) + + if not name: + raise ValueError("'name' may not be empty.") + + if "." in name: + raise ValueError("'name' may not contain a dot '.' character.") + + self.name = name + self.url_prefix = url_prefix + self.subdomain = subdomain + self.deferred_functions: list[DeferredSetupFunction] = [] + + if url_defaults is None: + url_defaults = {} + + self.url_values_defaults = url_defaults + self.cli_group = cli_group + self._blueprints: list[tuple[Blueprint, dict]] = [] + + def _check_setup_finished(self, f_name: str) -> None: + if self._got_registered_once: + raise AssertionError( + f"The setup method '{f_name}' can no longer be called on the blueprint" + f" '{self.name}'. It has already been registered at least once, any" + " changes will not be applied consistently.\n" + "Make sure all imports, decorators, functions, etc. needed to set up" + " the blueprint are done before registering it." + ) + + @setupmethod + def record(self, func: t.Callable) -> None: + """Registers a function that is called when the blueprint is + registered on the application. This function is called with the + state as argument as returned by the :meth:`make_setup_state` + method. + """ + self.deferred_functions.append(func) + + @setupmethod + def record_once(self, func: t.Callable) -> None: + """Works like :meth:`record` but wraps the function in another + function that will ensure the function is only called once. If the + blueprint is registered a second time on the application, the + function passed is not called. + """ + + def wrapper(state: BlueprintSetupState) -> None: + if state.first_registration: + func(state) + + self.record(update_wrapper(wrapper, func)) + + def make_setup_state( + self, app: Flask, options: dict, first_registration: bool = False + ) -> BlueprintSetupState: + """Creates an instance of :meth:`~flask.blueprints.BlueprintSetupState` + object that is later passed to the register callback functions. + Subclasses can override this to return a subclass of the setup state. + """ + return BlueprintSetupState(self, app, options, first_registration) + + @setupmethod + def register_blueprint(self, blueprint: Blueprint, **options: t.Any) -> None: + """Register a :class:`~flask.Blueprint` on this blueprint. Keyword + arguments passed to this method will override the defaults set + on the blueprint. + + .. versionchanged:: 2.0.1 + The ``name`` option can be used to change the (pre-dotted) + name the blueprint is registered with. This allows the same + blueprint to be registered multiple times with unique names + for ``url_for``. + + .. versionadded:: 2.0 + """ + if blueprint is self: + raise ValueError("Cannot register a blueprint on itself") + self._blueprints.append((blueprint, options)) + + def register(self, app: Flask, options: dict) -> None: + """Called by :meth:`Flask.register_blueprint` to register all + views and callbacks registered on the blueprint with the + application. Creates a :class:`.BlueprintSetupState` and calls + each :meth:`record` callback with it. + + :param app: The application this blueprint is being registered + with. + :param options: Keyword arguments forwarded from + :meth:`~Flask.register_blueprint`. + + .. versionchanged:: 2.3 + Nested blueprints now correctly apply subdomains. + + .. versionchanged:: 2.1 + Registering the same blueprint with the same name multiple + times is an error. + + .. versionchanged:: 2.0.1 + Nested blueprints are registered with their dotted name. + This allows different blueprints with the same name to be + nested at different locations. + + .. versionchanged:: 2.0.1 + The ``name`` option can be used to change the (pre-dotted) + name the blueprint is registered with. This allows the same + blueprint to be registered multiple times with unique names + for ``url_for``. + """ + name_prefix = options.get("name_prefix", "") + self_name = options.get("name", self.name) + name = f"{name_prefix}.{self_name}".lstrip(".") + + if name in app.blueprints: + bp_desc = "this" if app.blueprints[name] is self else "a different" + existing_at = f" '{name}'" if self_name != name else "" + + raise ValueError( + f"The name '{self_name}' is already registered for" + f" {bp_desc} blueprint{existing_at}. Use 'name=' to" + f" provide a unique name." + ) + + first_bp_registration = not any(bp is self for bp in app.blueprints.values()) + first_name_registration = name not in app.blueprints + + app.blueprints[name] = self + self._got_registered_once = True + state = self.make_setup_state(app, options, first_bp_registration) + + if self.has_static_folder: + state.add_url_rule( + f"{self.static_url_path}/", + view_func=self.send_static_file, + endpoint="static", + ) + + # Merge blueprint data into parent. + if first_bp_registration or first_name_registration: + + def extend(bp_dict, parent_dict): + for key, values in bp_dict.items(): + key = name if key is None else f"{name}.{key}" + parent_dict[key].extend(values) + + for key, value in self.error_handler_spec.items(): + key = name if key is None else f"{name}.{key}" + value = defaultdict( + dict, + { + code: { + exc_class: func for exc_class, func in code_values.items() + } + for code, code_values in value.items() + }, + ) + app.error_handler_spec[key] = value + + for endpoint, func in self.view_functions.items(): + app.view_functions[endpoint] = func + + extend(self.before_request_funcs, app.before_request_funcs) + extend(self.after_request_funcs, app.after_request_funcs) + extend( + self.teardown_request_funcs, + app.teardown_request_funcs, + ) + extend(self.url_default_functions, app.url_default_functions) + extend(self.url_value_preprocessors, app.url_value_preprocessors) + extend(self.template_context_processors, app.template_context_processors) + + for deferred in self.deferred_functions: + deferred(state) + + cli_resolved_group = options.get("cli_group", self.cli_group) + + if self.cli.commands: + if cli_resolved_group is None: + app.cli.commands.update(self.cli.commands) + elif cli_resolved_group is _sentinel: + self.cli.name = name + app.cli.add_command(self.cli) + else: + self.cli.name = cli_resolved_group + app.cli.add_command(self.cli) + + for blueprint, bp_options in self._blueprints: + bp_options = bp_options.copy() + bp_url_prefix = bp_options.get("url_prefix") + bp_subdomain = bp_options.get("subdomain") + + if bp_subdomain is None: + bp_subdomain = blueprint.subdomain + + if state.subdomain is not None and bp_subdomain is not None: + bp_options["subdomain"] = bp_subdomain + "." + state.subdomain + elif bp_subdomain is not None: + bp_options["subdomain"] = bp_subdomain + elif state.subdomain is not None: + bp_options["subdomain"] = state.subdomain + + if bp_url_prefix is None: + bp_url_prefix = blueprint.url_prefix + + if state.url_prefix is not None and bp_url_prefix is not None: + bp_options["url_prefix"] = ( + state.url_prefix.rstrip("/") + "/" + bp_url_prefix.lstrip("/") + ) + elif bp_url_prefix is not None: + bp_options["url_prefix"] = bp_url_prefix + elif state.url_prefix is not None: + bp_options["url_prefix"] = state.url_prefix + + bp_options["name_prefix"] = name + blueprint.register(app, bp_options) + + @setupmethod + def add_url_rule( + self, + rule: str, + endpoint: str | None = None, + view_func: ft.RouteCallable | None = None, + provide_automatic_options: bool | None = None, + **options: t.Any, + ) -> None: + """Register a URL rule with the blueprint. See :meth:`.Flask.add_url_rule` for + full documentation. + + The URL rule is prefixed with the blueprint's URL prefix. The endpoint name, + used with :func:`url_for`, is prefixed with the blueprint's name. + """ + if endpoint and "." in endpoint: + raise ValueError("'endpoint' may not contain a dot '.' character.") + + if view_func and hasattr(view_func, "__name__") and "." in view_func.__name__: + raise ValueError("'view_func' name may not contain a dot '.' character.") + + self.record( + lambda s: s.add_url_rule( + rule, + endpoint, + view_func, + provide_automatic_options=provide_automatic_options, + **options, + ) + ) + + @setupmethod + def app_template_filter( + self, name: str | None = None + ) -> t.Callable[[T_template_filter], T_template_filter]: + """Register a template filter, available in any template rendered by the + application. Equivalent to :meth:`.Flask.template_filter`. + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + + def decorator(f: T_template_filter) -> T_template_filter: + self.add_app_template_filter(f, name=name) + return f + + return decorator + + @setupmethod + def add_app_template_filter( + self, f: ft.TemplateFilterCallable, name: str | None = None + ) -> None: + """Register a template filter, available in any template rendered by the + application. Works like the :meth:`app_template_filter` decorator. Equivalent to + :meth:`.Flask.add_template_filter`. + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + + def register_template(state: BlueprintSetupState) -> None: + state.app.jinja_env.filters[name or f.__name__] = f + + self.record_once(register_template) + + @setupmethod + def app_template_test( + self, name: str | None = None + ) -> t.Callable[[T_template_test], T_template_test]: + """Register a template test, available in any template rendered by the + application. Equivalent to :meth:`.Flask.template_test`. + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + + def decorator(f: T_template_test) -> T_template_test: + self.add_app_template_test(f, name=name) + return f + + return decorator + + @setupmethod + def add_app_template_test( + self, f: ft.TemplateTestCallable, name: str | None = None + ) -> None: + """Register a template test, available in any template rendered by the + application. Works like the :meth:`app_template_test` decorator. Equivalent to + :meth:`.Flask.add_template_test`. + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + + def register_template(state: BlueprintSetupState) -> None: + state.app.jinja_env.tests[name or f.__name__] = f + + self.record_once(register_template) + + @setupmethod + def app_template_global( + self, name: str | None = None + ) -> t.Callable[[T_template_global], T_template_global]: + """Register a template global, available in any template rendered by the + application. Equivalent to :meth:`.Flask.template_global`. + + .. versionadded:: 0.10 + + :param name: the optional name of the global, otherwise the + function name will be used. + """ + + def decorator(f: T_template_global) -> T_template_global: + self.add_app_template_global(f, name=name) + return f + + return decorator + + @setupmethod + def add_app_template_global( + self, f: ft.TemplateGlobalCallable, name: str | None = None + ) -> None: + """Register a template global, available in any template rendered by the + application. Works like the :meth:`app_template_global` decorator. Equivalent to + :meth:`.Flask.add_template_global`. + + .. versionadded:: 0.10 + + :param name: the optional name of the global, otherwise the + function name will be used. + """ + + def register_template(state: BlueprintSetupState) -> None: + state.app.jinja_env.globals[name or f.__name__] = f + + self.record_once(register_template) + + @setupmethod + def before_app_request(self, f: T_before_request) -> T_before_request: + """Like :meth:`before_request`, but before every request, not only those handled + by the blueprint. Equivalent to :meth:`.Flask.before_request`. + """ + self.record_once( + lambda s: s.app.before_request_funcs.setdefault(None, []).append(f) + ) + return f + + @setupmethod + def after_app_request(self, f: T_after_request) -> T_after_request: + """Like :meth:`after_request`, but after every request, not only those handled + by the blueprint. Equivalent to :meth:`.Flask.after_request`. + """ + self.record_once( + lambda s: s.app.after_request_funcs.setdefault(None, []).append(f) + ) + return f + + @setupmethod + def teardown_app_request(self, f: T_teardown) -> T_teardown: + """Like :meth:`teardown_request`, but after every request, not only those + handled by the blueprint. Equivalent to :meth:`.Flask.teardown_request`. + """ + self.record_once( + lambda s: s.app.teardown_request_funcs.setdefault(None, []).append(f) + ) + return f + + @setupmethod + def app_context_processor( + self, f: T_template_context_processor + ) -> T_template_context_processor: + """Like :meth:`context_processor`, but for templates rendered by every view, not + only by the blueprint. Equivalent to :meth:`.Flask.context_processor`. + """ + self.record_once( + lambda s: s.app.template_context_processors.setdefault(None, []).append(f) + ) + return f + + @setupmethod + def app_errorhandler( + self, code: type[Exception] | int + ) -> t.Callable[[T_error_handler], T_error_handler]: + """Like :meth:`errorhandler`, but for every request, not only those handled by + the blueprint. Equivalent to :meth:`.Flask.errorhandler`. + """ + + def decorator(f: T_error_handler) -> T_error_handler: + self.record_once(lambda s: s.app.errorhandler(code)(f)) + return f + + return decorator + + @setupmethod + def app_url_value_preprocessor( + self, f: T_url_value_preprocessor + ) -> T_url_value_preprocessor: + """Like :meth:`url_value_preprocessor`, but for every request, not only those + handled by the blueprint. Equivalent to :meth:`.Flask.url_value_preprocessor`. + """ + self.record_once( + lambda s: s.app.url_value_preprocessors.setdefault(None, []).append(f) + ) + return f + + @setupmethod + def app_url_defaults(self, f: T_url_defaults) -> T_url_defaults: + """Like :meth:`url_defaults`, but for every request, not only those handled by + the blueprint. Equivalent to :meth:`.Flask.url_defaults`. + """ + self.record_once( + lambda s: s.app.url_default_functions.setdefault(None, []).append(f) + ) + return f diff --git a/venv/lib/python3.12/site-packages/flask/cli.py b/venv/lib/python3.12/site-packages/flask/cli.py new file mode 100644 index 0000000..dda266b --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/cli.py @@ -0,0 +1,1068 @@ +from __future__ import annotations + +import ast +import importlib.metadata +import inspect +import os +import platform +import re +import sys +import traceback +import typing as t +from functools import update_wrapper +from operator import itemgetter + +import click +from click.core import ParameterSource +from werkzeug import run_simple +from werkzeug.serving import is_running_from_reloader +from werkzeug.utils import import_string + +from .globals import current_app +from .helpers import get_debug_flag +from .helpers import get_load_dotenv + +if t.TYPE_CHECKING: + from .app import Flask + + +class NoAppException(click.UsageError): + """Raised if an application cannot be found or loaded.""" + + +def find_best_app(module): + """Given a module instance this tries to find the best possible + application in the module or raises an exception. + """ + from . import Flask + + # Search for the most common names first. + for attr_name in ("app", "application"): + app = getattr(module, attr_name, None) + + if isinstance(app, Flask): + return app + + # Otherwise find the only object that is a Flask instance. + matches = [v for v in module.__dict__.values() if isinstance(v, Flask)] + + if len(matches) == 1: + return matches[0] + elif len(matches) > 1: + raise NoAppException( + "Detected multiple Flask applications in module" + f" '{module.__name__}'. Use '{module.__name__}:name'" + " to specify the correct one." + ) + + # Search for app factory functions. + for attr_name in ("create_app", "make_app"): + app_factory = getattr(module, attr_name, None) + + if inspect.isfunction(app_factory): + try: + app = app_factory() + + if isinstance(app, Flask): + return app + except TypeError as e: + if not _called_with_wrong_args(app_factory): + raise + + raise NoAppException( + f"Detected factory '{attr_name}' in module '{module.__name__}'," + " but could not call it without arguments. Use" + f" '{module.__name__}:{attr_name}(args)'" + " to specify arguments." + ) from e + + raise NoAppException( + "Failed to find Flask application or factory in module" + f" '{module.__name__}'. Use '{module.__name__}:name'" + " to specify one." + ) + + +def _called_with_wrong_args(f): + """Check whether calling a function raised a ``TypeError`` because + the call failed or because something in the factory raised the + error. + + :param f: The function that was called. + :return: ``True`` if the call failed. + """ + tb = sys.exc_info()[2] + + try: + while tb is not None: + if tb.tb_frame.f_code is f.__code__: + # In the function, it was called successfully. + return False + + tb = tb.tb_next + + # Didn't reach the function. + return True + finally: + # Delete tb to break a circular reference. + # https://docs.python.org/2/library/sys.html#sys.exc_info + del tb + + +def find_app_by_string(module, app_name): + """Check if the given string is a variable name or a function. Call + a function to get the app instance, or return the variable directly. + """ + from . import Flask + + # Parse app_name as a single expression to determine if it's a valid + # attribute name or function call. + try: + expr = ast.parse(app_name.strip(), mode="eval").body + except SyntaxError: + raise NoAppException( + f"Failed to parse {app_name!r} as an attribute name or function call." + ) from None + + if isinstance(expr, ast.Name): + name = expr.id + args = [] + kwargs = {} + elif isinstance(expr, ast.Call): + # Ensure the function name is an attribute name only. + if not isinstance(expr.func, ast.Name): + raise NoAppException( + f"Function reference must be a simple name: {app_name!r}." + ) + + name = expr.func.id + + # Parse the positional and keyword arguments as literals. + try: + args = [ast.literal_eval(arg) for arg in expr.args] + kwargs = {kw.arg: ast.literal_eval(kw.value) for kw in expr.keywords} + except ValueError: + # literal_eval gives cryptic error messages, show a generic + # message with the full expression instead. + raise NoAppException( + f"Failed to parse arguments as literal values: {app_name!r}." + ) from None + else: + raise NoAppException( + f"Failed to parse {app_name!r} as an attribute name or function call." + ) + + try: + attr = getattr(module, name) + except AttributeError as e: + raise NoAppException( + f"Failed to find attribute {name!r} in {module.__name__!r}." + ) from e + + # If the attribute is a function, call it with any args and kwargs + # to get the real application. + if inspect.isfunction(attr): + try: + app = attr(*args, **kwargs) + except TypeError as e: + if not _called_with_wrong_args(attr): + raise + + raise NoAppException( + f"The factory {app_name!r} in module" + f" {module.__name__!r} could not be called with the" + " specified arguments." + ) from e + else: + app = attr + + if isinstance(app, Flask): + return app + + raise NoAppException( + "A valid Flask application was not obtained from" + f" '{module.__name__}:{app_name}'." + ) + + +def prepare_import(path): + """Given a filename this will try to calculate the python path, add it + to the search path and return the actual module name that is expected. + """ + path = os.path.realpath(path) + + fname, ext = os.path.splitext(path) + if ext == ".py": + path = fname + + if os.path.basename(path) == "__init__": + path = os.path.dirname(path) + + module_name = [] + + # move up until outside package structure (no __init__.py) + while True: + path, name = os.path.split(path) + module_name.append(name) + + if not os.path.exists(os.path.join(path, "__init__.py")): + break + + if sys.path[0] != path: + sys.path.insert(0, path) + + return ".".join(module_name[::-1]) + + +def locate_app(module_name, app_name, raise_if_not_found=True): + try: + __import__(module_name) + except ImportError: + # Reraise the ImportError if it occurred within the imported module. + # Determine this by checking whether the trace has a depth > 1. + if sys.exc_info()[2].tb_next: + raise NoAppException( + f"While importing {module_name!r}, an ImportError was" + f" raised:\n\n{traceback.format_exc()}" + ) from None + elif raise_if_not_found: + raise NoAppException(f"Could not import {module_name!r}.") from None + else: + return + + module = sys.modules[module_name] + + if app_name is None: + return find_best_app(module) + else: + return find_app_by_string(module, app_name) + + +def get_version(ctx, param, value): + if not value or ctx.resilient_parsing: + return + + flask_version = importlib.metadata.version("flask") + werkzeug_version = importlib.metadata.version("werkzeug") + + click.echo( + f"Python {platform.python_version()}\n" + f"Flask {flask_version}\n" + f"Werkzeug {werkzeug_version}", + color=ctx.color, + ) + ctx.exit() + + +version_option = click.Option( + ["--version"], + help="Show the Flask version.", + expose_value=False, + callback=get_version, + is_flag=True, + is_eager=True, +) + + +class ScriptInfo: + """Helper object to deal with Flask applications. This is usually not + necessary to interface with as it's used internally in the dispatching + to click. In future versions of Flask this object will most likely play + a bigger role. Typically it's created automatically by the + :class:`FlaskGroup` but you can also manually create it and pass it + onwards as click object. + """ + + def __init__( + self, + app_import_path: str | None = None, + create_app: t.Callable[..., Flask] | None = None, + set_debug_flag: bool = True, + ) -> None: + #: Optionally the import path for the Flask application. + self.app_import_path = app_import_path + #: Optionally a function that is passed the script info to create + #: the instance of the application. + self.create_app = create_app + #: A dictionary with arbitrary data that can be associated with + #: this script info. + self.data: dict[t.Any, t.Any] = {} + self.set_debug_flag = set_debug_flag + self._loaded_app: Flask | None = None + + def load_app(self) -> Flask: + """Loads the Flask app (if not yet loaded) and returns it. Calling + this multiple times will just result in the already loaded app to + be returned. + """ + if self._loaded_app is not None: + return self._loaded_app + + if self.create_app is not None: + app = self.create_app() + else: + if self.app_import_path: + path, name = ( + re.split(r":(?![\\/])", self.app_import_path, maxsplit=1) + [None] + )[:2] + import_name = prepare_import(path) + app = locate_app(import_name, name) + else: + for path in ("wsgi.py", "app.py"): + import_name = prepare_import(path) + app = locate_app(import_name, None, raise_if_not_found=False) + + if app: + break + + if not app: + raise NoAppException( + "Could not locate a Flask application. Use the" + " 'flask --app' option, 'FLASK_APP' environment" + " variable, or a 'wsgi.py' or 'app.py' file in the" + " current directory." + ) + + if self.set_debug_flag: + # Update the app's debug flag through the descriptor so that + # other values repopulate as well. + app.debug = get_debug_flag() + + self._loaded_app = app + return app + + +pass_script_info = click.make_pass_decorator(ScriptInfo, ensure=True) + + +def with_appcontext(f): + """Wraps a callback so that it's guaranteed to be executed with the + script's application context. + + Custom commands (and their options) registered under ``app.cli`` or + ``blueprint.cli`` will always have an app context available, this + decorator is not required in that case. + + .. versionchanged:: 2.2 + The app context is active for subcommands as well as the + decorated callback. The app context is always available to + ``app.cli`` command and parameter callbacks. + """ + + @click.pass_context + def decorator(__ctx, *args, **kwargs): + if not current_app: + app = __ctx.ensure_object(ScriptInfo).load_app() + __ctx.with_resource(app.app_context()) + + return __ctx.invoke(f, *args, **kwargs) + + return update_wrapper(decorator, f) + + +class AppGroup(click.Group): + """This works similar to a regular click :class:`~click.Group` but it + changes the behavior of the :meth:`command` decorator so that it + automatically wraps the functions in :func:`with_appcontext`. + + Not to be confused with :class:`FlaskGroup`. + """ + + def command(self, *args, **kwargs): + """This works exactly like the method of the same name on a regular + :class:`click.Group` but it wraps callbacks in :func:`with_appcontext` + unless it's disabled by passing ``with_appcontext=False``. + """ + wrap_for_ctx = kwargs.pop("with_appcontext", True) + + def decorator(f): + if wrap_for_ctx: + f = with_appcontext(f) + return click.Group.command(self, *args, **kwargs)(f) + + return decorator + + def group(self, *args, **kwargs): + """This works exactly like the method of the same name on a regular + :class:`click.Group` but it defaults the group class to + :class:`AppGroup`. + """ + kwargs.setdefault("cls", AppGroup) + return click.Group.group(self, *args, **kwargs) + + +def _set_app(ctx: click.Context, param: click.Option, value: str | None) -> str | None: + if value is None: + return None + + info = ctx.ensure_object(ScriptInfo) + info.app_import_path = value + return value + + +# This option is eager so the app will be available if --help is given. +# --help is also eager, so --app must be before it in the param list. +# no_args_is_help bypasses eager processing, so this option must be +# processed manually in that case to ensure FLASK_APP gets picked up. +_app_option = click.Option( + ["-A", "--app"], + metavar="IMPORT", + help=( + "The Flask application or factory function to load, in the form 'module:name'." + " Module can be a dotted import or file path. Name is not required if it is" + " 'app', 'application', 'create_app', or 'make_app', and can be 'name(args)' to" + " pass arguments." + ), + is_eager=True, + expose_value=False, + callback=_set_app, +) + + +def _set_debug(ctx: click.Context, param: click.Option, value: bool) -> bool | None: + # If the flag isn't provided, it will default to False. Don't use + # that, let debug be set by env in that case. + source = ctx.get_parameter_source(param.name) # type: ignore[arg-type] + + if source is not None and source in ( + ParameterSource.DEFAULT, + ParameterSource.DEFAULT_MAP, + ): + return None + + # Set with env var instead of ScriptInfo.load so that it can be + # accessed early during a factory function. + os.environ["FLASK_DEBUG"] = "1" if value else "0" + return value + + +_debug_option = click.Option( + ["--debug/--no-debug"], + help="Set debug mode.", + expose_value=False, + callback=_set_debug, +) + + +def _env_file_callback( + ctx: click.Context, param: click.Option, value: str | None +) -> str | None: + if value is None: + return None + + import importlib + + try: + importlib.import_module("dotenv") + except ImportError: + raise click.BadParameter( + "python-dotenv must be installed to load an env file.", + ctx=ctx, + param=param, + ) from None + + # Don't check FLASK_SKIP_DOTENV, that only disables automatically + # loading .env and .flaskenv files. + load_dotenv(value) + return value + + +# This option is eager so env vars are loaded as early as possible to be +# used by other options. +_env_file_option = click.Option( + ["-e", "--env-file"], + type=click.Path(exists=True, dir_okay=False), + help="Load environment variables from this file. python-dotenv must be installed.", + is_eager=True, + expose_value=False, + callback=_env_file_callback, +) + + +class FlaskGroup(AppGroup): + """Special subclass of the :class:`AppGroup` group that supports + loading more commands from the configured Flask app. Normally a + developer does not have to interface with this class but there are + some very advanced use cases for which it makes sense to create an + instance of this. see :ref:`custom-scripts`. + + :param add_default_commands: if this is True then the default run and + shell commands will be added. + :param add_version_option: adds the ``--version`` option. + :param create_app: an optional callback that is passed the script info and + returns the loaded app. + :param load_dotenv: Load the nearest :file:`.env` and :file:`.flaskenv` + files to set environment variables. Will also change the working + directory to the directory containing the first file found. + :param set_debug_flag: Set the app's debug flag. + + .. versionchanged:: 2.2 + Added the ``-A/--app``, ``--debug/--no-debug``, ``-e/--env-file`` options. + + .. versionchanged:: 2.2 + An app context is pushed when running ``app.cli`` commands, so + ``@with_appcontext`` is no longer required for those commands. + + .. versionchanged:: 1.0 + If installed, python-dotenv will be used to load environment variables + from :file:`.env` and :file:`.flaskenv` files. + """ + + def __init__( + self, + add_default_commands: bool = True, + create_app: t.Callable[..., Flask] | None = None, + add_version_option: bool = True, + load_dotenv: bool = True, + set_debug_flag: bool = True, + **extra: t.Any, + ) -> None: + params = list(extra.pop("params", None) or ()) + # Processing is done with option callbacks instead of a group + # callback. This allows users to make a custom group callback + # without losing the behavior. --env-file must come first so + # that it is eagerly evaluated before --app. + params.extend((_env_file_option, _app_option, _debug_option)) + + if add_version_option: + params.append(version_option) + + if "context_settings" not in extra: + extra["context_settings"] = {} + + extra["context_settings"].setdefault("auto_envvar_prefix", "FLASK") + + super().__init__(params=params, **extra) + + self.create_app = create_app + self.load_dotenv = load_dotenv + self.set_debug_flag = set_debug_flag + + if add_default_commands: + self.add_command(run_command) + self.add_command(shell_command) + self.add_command(routes_command) + + self._loaded_plugin_commands = False + + def _load_plugin_commands(self): + if self._loaded_plugin_commands: + return + + if sys.version_info >= (3, 10): + from importlib import metadata + else: + # Use a backport on Python < 3.10. We technically have + # importlib.metadata on 3.8+, but the API changed in 3.10, + # so use the backport for consistency. + import importlib_metadata as metadata + + for ep in metadata.entry_points(group="flask.commands"): + self.add_command(ep.load(), ep.name) + + self._loaded_plugin_commands = True + + def get_command(self, ctx, name): + self._load_plugin_commands() + # Look up built-in and plugin commands, which should be + # available even if the app fails to load. + rv = super().get_command(ctx, name) + + if rv is not None: + return rv + + info = ctx.ensure_object(ScriptInfo) + + # Look up commands provided by the app, showing an error and + # continuing if the app couldn't be loaded. + try: + app = info.load_app() + except NoAppException as e: + click.secho(f"Error: {e.format_message()}\n", err=True, fg="red") + return None + + # Push an app context for the loaded app unless it is already + # active somehow. This makes the context available to parameter + # and command callbacks without needing @with_appcontext. + if not current_app or current_app._get_current_object() is not app: + ctx.with_resource(app.app_context()) + + return app.cli.get_command(ctx, name) + + def list_commands(self, ctx): + self._load_plugin_commands() + # Start with the built-in and plugin commands. + rv = set(super().list_commands(ctx)) + info = ctx.ensure_object(ScriptInfo) + + # Add commands provided by the app, showing an error and + # continuing if the app couldn't be loaded. + try: + rv.update(info.load_app().cli.list_commands(ctx)) + except NoAppException as e: + # When an app couldn't be loaded, show the error message + # without the traceback. + click.secho(f"Error: {e.format_message()}\n", err=True, fg="red") + except Exception: + # When any other errors occurred during loading, show the + # full traceback. + click.secho(f"{traceback.format_exc()}\n", err=True, fg="red") + + return sorted(rv) + + def make_context( + self, + info_name: str | None, + args: list[str], + parent: click.Context | None = None, + **extra: t.Any, + ) -> click.Context: + # Set a flag to tell app.run to become a no-op. If app.run was + # not in a __name__ == __main__ guard, it would start the server + # when importing, blocking whatever command is being called. + os.environ["FLASK_RUN_FROM_CLI"] = "true" + + # Attempt to load .env and .flask env files. The --env-file + # option can cause another file to be loaded. + if get_load_dotenv(self.load_dotenv): + load_dotenv() + + if "obj" not in extra and "obj" not in self.context_settings: + extra["obj"] = ScriptInfo( + create_app=self.create_app, set_debug_flag=self.set_debug_flag + ) + + return super().make_context(info_name, args, parent=parent, **extra) + + def parse_args(self, ctx: click.Context, args: list[str]) -> list[str]: + if not args and self.no_args_is_help: + # Attempt to load --env-file and --app early in case they + # were given as env vars. Otherwise no_args_is_help will not + # see commands from app.cli. + _env_file_option.handle_parse_result(ctx, {}, []) + _app_option.handle_parse_result(ctx, {}, []) + + return super().parse_args(ctx, args) + + +def _path_is_ancestor(path, other): + """Take ``other`` and remove the length of ``path`` from it. Then join it + to ``path``. If it is the original value, ``path`` is an ancestor of + ``other``.""" + return os.path.join(path, other[len(path) :].lstrip(os.sep)) == other + + +def load_dotenv(path: str | os.PathLike | None = None) -> bool: + """Load "dotenv" files in order of precedence to set environment variables. + + If an env var is already set it is not overwritten, so earlier files in the + list are preferred over later files. + + This is a no-op if `python-dotenv`_ is not installed. + + .. _python-dotenv: https://github.com/theskumar/python-dotenv#readme + + :param path: Load the file at this location instead of searching. + :return: ``True`` if a file was loaded. + + .. versionchanged:: 2.0 + The current directory is not changed to the location of the + loaded file. + + .. versionchanged:: 2.0 + When loading the env files, set the default encoding to UTF-8. + + .. versionchanged:: 1.1.0 + Returns ``False`` when python-dotenv is not installed, or when + the given path isn't a file. + + .. versionadded:: 1.0 + """ + try: + import dotenv + except ImportError: + if path or os.path.isfile(".env") or os.path.isfile(".flaskenv"): + click.secho( + " * Tip: There are .env or .flaskenv files present." + ' Do "pip install python-dotenv" to use them.', + fg="yellow", + err=True, + ) + + return False + + # Always return after attempting to load a given path, don't load + # the default files. + if path is not None: + if os.path.isfile(path): + return dotenv.load_dotenv(path, encoding="utf-8") + + return False + + loaded = False + + for name in (".env", ".flaskenv"): + path = dotenv.find_dotenv(name, usecwd=True) + + if not path: + continue + + dotenv.load_dotenv(path, encoding="utf-8") + loaded = True + + return loaded # True if at least one file was located and loaded. + + +def show_server_banner(debug, app_import_path): + """Show extra startup messages the first time the server is run, + ignoring the reloader. + """ + if is_running_from_reloader(): + return + + if app_import_path is not None: + click.echo(f" * Serving Flask app '{app_import_path}'") + + if debug is not None: + click.echo(f" * Debug mode: {'on' if debug else 'off'}") + + +class CertParamType(click.ParamType): + """Click option type for the ``--cert`` option. Allows either an + existing file, the string ``'adhoc'``, or an import for a + :class:`~ssl.SSLContext` object. + """ + + name = "path" + + def __init__(self): + self.path_type = click.Path(exists=True, dir_okay=False, resolve_path=True) + + def convert(self, value, param, ctx): + try: + import ssl + except ImportError: + raise click.BadParameter( + 'Using "--cert" requires Python to be compiled with SSL support.', + ctx, + param, + ) from None + + try: + return self.path_type(value, param, ctx) + except click.BadParameter: + value = click.STRING(value, param, ctx).lower() + + if value == "adhoc": + try: + import cryptography # noqa: F401 + except ImportError: + raise click.BadParameter( + "Using ad-hoc certificates requires the cryptography library.", + ctx, + param, + ) from None + + return value + + obj = import_string(value, silent=True) + + if isinstance(obj, ssl.SSLContext): + return obj + + raise + + +def _validate_key(ctx, param, value): + """The ``--key`` option must be specified when ``--cert`` is a file. + Modifies the ``cert`` param to be a ``(cert, key)`` pair if needed. + """ + cert = ctx.params.get("cert") + is_adhoc = cert == "adhoc" + + try: + import ssl + except ImportError: + is_context = False + else: + is_context = isinstance(cert, ssl.SSLContext) + + if value is not None: + if is_adhoc: + raise click.BadParameter( + 'When "--cert" is "adhoc", "--key" is not used.', ctx, param + ) + + if is_context: + raise click.BadParameter( + 'When "--cert" is an SSLContext object, "--key is not used.', ctx, param + ) + + if not cert: + raise click.BadParameter('"--cert" must also be specified.', ctx, param) + + ctx.params["cert"] = cert, value + + else: + if cert and not (is_adhoc or is_context): + raise click.BadParameter('Required when using "--cert".', ctx, param) + + return value + + +class SeparatedPathType(click.Path): + """Click option type that accepts a list of values separated by the + OS's path separator (``:``, ``;`` on Windows). Each value is + validated as a :class:`click.Path` type. + """ + + def convert(self, value, param, ctx): + items = self.split_envvar_value(value) + super_convert = super().convert + return [super_convert(item, param, ctx) for item in items] + + +@click.command("run", short_help="Run a development server.") +@click.option("--host", "-h", default="127.0.0.1", help="The interface to bind to.") +@click.option("--port", "-p", default=5000, help="The port to bind to.") +@click.option( + "--cert", + type=CertParamType(), + help="Specify a certificate file to use HTTPS.", + is_eager=True, +) +@click.option( + "--key", + type=click.Path(exists=True, dir_okay=False, resolve_path=True), + callback=_validate_key, + expose_value=False, + help="The key file to use when specifying a certificate.", +) +@click.option( + "--reload/--no-reload", + default=None, + help="Enable or disable the reloader. By default the reloader " + "is active if debug is enabled.", +) +@click.option( + "--debugger/--no-debugger", + default=None, + help="Enable or disable the debugger. By default the debugger " + "is active if debug is enabled.", +) +@click.option( + "--with-threads/--without-threads", + default=True, + help="Enable or disable multithreading.", +) +@click.option( + "--extra-files", + default=None, + type=SeparatedPathType(), + help=( + "Extra files that trigger a reload on change. Multiple paths" + f" are separated by {os.path.pathsep!r}." + ), +) +@click.option( + "--exclude-patterns", + default=None, + type=SeparatedPathType(), + help=( + "Files matching these fnmatch patterns will not trigger a reload" + " on change. Multiple patterns are separated by" + f" {os.path.pathsep!r}." + ), +) +@pass_script_info +def run_command( + info, + host, + port, + reload, + debugger, + with_threads, + cert, + extra_files, + exclude_patterns, +): + """Run a local development server. + + This server is for development purposes only. It does not provide + the stability, security, or performance of production WSGI servers. + + The reloader and debugger are enabled by default with the '--debug' + option. + """ + try: + app = info.load_app() + except Exception as e: + if is_running_from_reloader(): + # When reloading, print out the error immediately, but raise + # it later so the debugger or server can handle it. + traceback.print_exc() + err = e + + def app(environ, start_response): + raise err from None + + else: + # When not reloading, raise the error immediately so the + # command fails. + raise e from None + + debug = get_debug_flag() + + if reload is None: + reload = debug + + if debugger is None: + debugger = debug + + show_server_banner(debug, info.app_import_path) + + run_simple( + host, + port, + app, + use_reloader=reload, + use_debugger=debugger, + threaded=with_threads, + ssl_context=cert, + extra_files=extra_files, + exclude_patterns=exclude_patterns, + ) + + +run_command.params.insert(0, _debug_option) + + +@click.command("shell", short_help="Run a shell in the app context.") +@with_appcontext +def shell_command() -> None: + """Run an interactive Python shell in the context of a given + Flask application. The application will populate the default + namespace of this shell according to its configuration. + + This is useful for executing small snippets of management code + without having to manually configure the application. + """ + import code + + banner = ( + f"Python {sys.version} on {sys.platform}\n" + f"App: {current_app.import_name}\n" + f"Instance: {current_app.instance_path}" + ) + ctx: dict = {} + + # Support the regular Python interpreter startup script if someone + # is using it. + startup = os.environ.get("PYTHONSTARTUP") + if startup and os.path.isfile(startup): + with open(startup) as f: + eval(compile(f.read(), startup, "exec"), ctx) + + ctx.update(current_app.make_shell_context()) + + # Site, customize, or startup script can set a hook to call when + # entering interactive mode. The default one sets up readline with + # tab and history completion. + interactive_hook = getattr(sys, "__interactivehook__", None) + + if interactive_hook is not None: + try: + import readline + from rlcompleter import Completer + except ImportError: + pass + else: + # rlcompleter uses __main__.__dict__ by default, which is + # flask.__main__. Use the shell context instead. + readline.set_completer(Completer(ctx).complete) + + interactive_hook() + + code.interact(banner=banner, local=ctx) + + +@click.command("routes", short_help="Show the routes for the app.") +@click.option( + "--sort", + "-s", + type=click.Choice(("endpoint", "methods", "domain", "rule", "match")), + default="endpoint", + help=( + "Method to sort routes by. 'match' is the order that Flask will match routes" + " when dispatching a request." + ), +) +@click.option("--all-methods", is_flag=True, help="Show HEAD and OPTIONS methods.") +@with_appcontext +def routes_command(sort: str, all_methods: bool) -> None: + """Show all registered routes with endpoints and methods.""" + rules = list(current_app.url_map.iter_rules()) + + if not rules: + click.echo("No routes were registered.") + return + + ignored_methods = set() if all_methods else {"HEAD", "OPTIONS"} + host_matching = current_app.url_map.host_matching + has_domain = any(rule.host if host_matching else rule.subdomain for rule in rules) + rows = [] + + for rule in rules: + row = [ + rule.endpoint, + ", ".join(sorted((rule.methods or set()) - ignored_methods)), + ] + + if has_domain: + row.append((rule.host if host_matching else rule.subdomain) or "") + + row.append(rule.rule) + rows.append(row) + + headers = ["Endpoint", "Methods"] + sorts = ["endpoint", "methods"] + + if has_domain: + headers.append("Host" if host_matching else "Subdomain") + sorts.append("domain") + + headers.append("Rule") + sorts.append("rule") + + try: + rows.sort(key=itemgetter(sorts.index(sort))) + except ValueError: + pass + + rows.insert(0, headers) + widths = [max(len(row[i]) for row in rows) for i in range(len(headers))] + rows.insert(1, ["-" * w for w in widths]) + template = " ".join(f"{{{i}:<{w}}}" for i, w in enumerate(widths)) + + for row in rows: + click.echo(template.format(*row)) + + +cli = FlaskGroup( + name="flask", + help="""\ +A general utility script for Flask applications. + +An application to load must be given with the '--app' option, +'FLASK_APP' environment variable, or with a 'wsgi.py' or 'app.py' file +in the current directory. +""", +) + + +def main() -> None: + cli.main() + + +if __name__ == "__main__": + main() diff --git a/venv/lib/python3.12/site-packages/flask/config.py b/venv/lib/python3.12/site-packages/flask/config.py new file mode 100644 index 0000000..5f921b4 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/config.py @@ -0,0 +1,347 @@ +from __future__ import annotations + +import errno +import json +import os +import types +import typing as t + +from werkzeug.utils import import_string + + +class ConfigAttribute: + """Makes an attribute forward to the config""" + + def __init__(self, name: str, get_converter: t.Callable | None = None) -> None: + self.__name__ = name + self.get_converter = get_converter + + def __get__(self, obj: t.Any, owner: t.Any = None) -> t.Any: + if obj is None: + return self + rv = obj.config[self.__name__] + if self.get_converter is not None: + rv = self.get_converter(rv) + return rv + + def __set__(self, obj: t.Any, value: t.Any) -> None: + obj.config[self.__name__] = value + + +class Config(dict): + """Works exactly like a dict but provides ways to fill it from files + or special dictionaries. There are two common patterns to populate the + config. + + Either you can fill the config from a config file:: + + app.config.from_pyfile('yourconfig.cfg') + + Or alternatively you can define the configuration options in the + module that calls :meth:`from_object` or provide an import path to + a module that should be loaded. It is also possible to tell it to + use the same module and with that provide the configuration values + just before the call:: + + DEBUG = True + SECRET_KEY = 'development key' + app.config.from_object(__name__) + + In both cases (loading from any Python file or loading from modules), + only uppercase keys are added to the config. This makes it possible to use + lowercase values in the config file for temporary values that are not added + to the config or to define the config keys in the same file that implements + the application. + + Probably the most interesting way to load configurations is from an + environment variable pointing to a file:: + + app.config.from_envvar('YOURAPPLICATION_SETTINGS') + + In this case before launching the application you have to set this + environment variable to the file you want to use. On Linux and OS X + use the export statement:: + + export YOURAPPLICATION_SETTINGS='/path/to/config/file' + + On windows use `set` instead. + + :param root_path: path to which files are read relative from. When the + config object is created by the application, this is + the application's :attr:`~flask.Flask.root_path`. + :param defaults: an optional dictionary of default values + """ + + def __init__( + self, root_path: str | os.PathLike, defaults: dict | None = None + ) -> None: + super().__init__(defaults or {}) + self.root_path = root_path + + def from_envvar(self, variable_name: str, silent: bool = False) -> bool: + """Loads a configuration from an environment variable pointing to + a configuration file. This is basically just a shortcut with nicer + error messages for this line of code:: + + app.config.from_pyfile(os.environ['YOURAPPLICATION_SETTINGS']) + + :param variable_name: name of the environment variable + :param silent: set to ``True`` if you want silent failure for missing + files. + :return: ``True`` if the file was loaded successfully. + """ + rv = os.environ.get(variable_name) + if not rv: + if silent: + return False + raise RuntimeError( + f"The environment variable {variable_name!r} is not set" + " and as such configuration could not be loaded. Set" + " this variable and make it point to a configuration" + " file" + ) + return self.from_pyfile(rv, silent=silent) + + def from_prefixed_env( + self, prefix: str = "FLASK", *, loads: t.Callable[[str], t.Any] = json.loads + ) -> bool: + """Load any environment variables that start with ``FLASK_``, + dropping the prefix from the env key for the config key. Values + are passed through a loading function to attempt to convert them + to more specific types than strings. + + Keys are loaded in :func:`sorted` order. + + The default loading function attempts to parse values as any + valid JSON type, including dicts and lists. + + Specific items in nested dicts can be set by separating the + keys with double underscores (``__``). If an intermediate key + doesn't exist, it will be initialized to an empty dict. + + :param prefix: Load env vars that start with this prefix, + separated with an underscore (``_``). + :param loads: Pass each string value to this function and use + the returned value as the config value. If any error is + raised it is ignored and the value remains a string. The + default is :func:`json.loads`. + + .. versionadded:: 2.1 + """ + prefix = f"{prefix}_" + len_prefix = len(prefix) + + for key in sorted(os.environ): + if not key.startswith(prefix): + continue + + value = os.environ[key] + + try: + value = loads(value) + except Exception: + # Keep the value as a string if loading failed. + pass + + # Change to key.removeprefix(prefix) on Python >= 3.9. + key = key[len_prefix:] + + if "__" not in key: + # A non-nested key, set directly. + self[key] = value + continue + + # Traverse nested dictionaries with keys separated by "__". + current = self + *parts, tail = key.split("__") + + for part in parts: + # If an intermediate dict does not exist, create it. + if part not in current: + current[part] = {} + + current = current[part] + + current[tail] = value + + return True + + def from_pyfile(self, filename: str | os.PathLike, silent: bool = False) -> bool: + """Updates the values in the config from a Python file. This function + behaves as if the file was imported as module with the + :meth:`from_object` function. + + :param filename: the filename of the config. This can either be an + absolute filename or a filename relative to the + root path. + :param silent: set to ``True`` if you want silent failure for missing + files. + :return: ``True`` if the file was loaded successfully. + + .. versionadded:: 0.7 + `silent` parameter. + """ + filename = os.path.join(self.root_path, filename) + d = types.ModuleType("config") + d.__file__ = filename + try: + with open(filename, mode="rb") as config_file: + exec(compile(config_file.read(), filename, "exec"), d.__dict__) + except OSError as e: + if silent and e.errno in (errno.ENOENT, errno.EISDIR, errno.ENOTDIR): + return False + e.strerror = f"Unable to load configuration file ({e.strerror})" + raise + self.from_object(d) + return True + + def from_object(self, obj: object | str) -> None: + """Updates the values from the given object. An object can be of one + of the following two types: + + - a string: in this case the object with that name will be imported + - an actual object reference: that object is used directly + + Objects are usually either modules or classes. :meth:`from_object` + loads only the uppercase attributes of the module/class. A ``dict`` + object will not work with :meth:`from_object` because the keys of a + ``dict`` are not attributes of the ``dict`` class. + + Example of module-based configuration:: + + app.config.from_object('yourapplication.default_config') + from yourapplication import default_config + app.config.from_object(default_config) + + Nothing is done to the object before loading. If the object is a + class and has ``@property`` attributes, it needs to be + instantiated before being passed to this method. + + You should not use this function to load the actual configuration but + rather configuration defaults. The actual config should be loaded + with :meth:`from_pyfile` and ideally from a location not within the + package because the package might be installed system wide. + + See :ref:`config-dev-prod` for an example of class-based configuration + using :meth:`from_object`. + + :param obj: an import name or object + """ + if isinstance(obj, str): + obj = import_string(obj) + for key in dir(obj): + if key.isupper(): + self[key] = getattr(obj, key) + + def from_file( + self, + filename: str | os.PathLike, + load: t.Callable[[t.IO[t.Any]], t.Mapping], + silent: bool = False, + text: bool = True, + ) -> bool: + """Update the values in the config from a file that is loaded + using the ``load`` parameter. The loaded data is passed to the + :meth:`from_mapping` method. + + .. code-block:: python + + import json + app.config.from_file("config.json", load=json.load) + + import tomllib + app.config.from_file("config.toml", load=tomllib.load, text=False) + + :param filename: The path to the data file. This can be an + absolute path or relative to the config root path. + :param load: A callable that takes a file handle and returns a + mapping of loaded data from the file. + :type load: ``Callable[[Reader], Mapping]`` where ``Reader`` + implements a ``read`` method. + :param silent: Ignore the file if it doesn't exist. + :param text: Open the file in text or binary mode. + :return: ``True`` if the file was loaded successfully. + + .. versionchanged:: 2.3 + The ``text`` parameter was added. + + .. versionadded:: 2.0 + """ + filename = os.path.join(self.root_path, filename) + + try: + with open(filename, "r" if text else "rb") as f: + obj = load(f) + except OSError as e: + if silent and e.errno in (errno.ENOENT, errno.EISDIR): + return False + + e.strerror = f"Unable to load configuration file ({e.strerror})" + raise + + return self.from_mapping(obj) + + def from_mapping( + self, mapping: t.Mapping[str, t.Any] | None = None, **kwargs: t.Any + ) -> bool: + """Updates the config like :meth:`update` ignoring items with + non-upper keys. + + :return: Always returns ``True``. + + .. versionadded:: 0.11 + """ + mappings: dict[str, t.Any] = {} + if mapping is not None: + mappings.update(mapping) + mappings.update(kwargs) + for key, value in mappings.items(): + if key.isupper(): + self[key] = value + return True + + def get_namespace( + self, namespace: str, lowercase: bool = True, trim_namespace: bool = True + ) -> dict[str, t.Any]: + """Returns a dictionary containing a subset of configuration options + that match the specified namespace/prefix. Example usage:: + + app.config['IMAGE_STORE_TYPE'] = 'fs' + app.config['IMAGE_STORE_PATH'] = '/var/app/images' + app.config['IMAGE_STORE_BASE_URL'] = 'http://img.website.com' + image_store_config = app.config.get_namespace('IMAGE_STORE_') + + The resulting dictionary `image_store_config` would look like:: + + { + 'type': 'fs', + 'path': '/var/app/images', + 'base_url': 'http://img.website.com' + } + + This is often useful when configuration options map directly to + keyword arguments in functions or class constructors. + + :param namespace: a configuration namespace + :param lowercase: a flag indicating if the keys of the resulting + dictionary should be lowercase + :param trim_namespace: a flag indicating if the keys of the resulting + dictionary should not include the namespace + + .. versionadded:: 0.11 + """ + rv = {} + for k, v in self.items(): + if not k.startswith(namespace): + continue + if trim_namespace: + key = k[len(namespace) :] + else: + key = k + if lowercase: + key = key.lower() + rv[key] = v + return rv + + def __repr__(self) -> str: + return f"<{type(self).__name__} {dict.__repr__(self)}>" diff --git a/venv/lib/python3.12/site-packages/flask/ctx.py b/venv/lib/python3.12/site-packages/flask/ctx.py new file mode 100644 index 0000000..b37e4e0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/ctx.py @@ -0,0 +1,440 @@ +from __future__ import annotations + +import contextvars +import sys +import typing as t +from functools import update_wrapper +from types import TracebackType + +from werkzeug.exceptions import HTTPException + +from . import typing as ft +from .globals import _cv_app +from .globals import _cv_request +from .signals import appcontext_popped +from .signals import appcontext_pushed + +if t.TYPE_CHECKING: # pragma: no cover + from .app import Flask + from .sessions import SessionMixin + from .wrappers import Request + + +# a singleton sentinel value for parameter defaults +_sentinel = object() + + +class _AppCtxGlobals: + """A plain object. Used as a namespace for storing data during an + application context. + + Creating an app context automatically creates this object, which is + made available as the :data:`g` proxy. + + .. describe:: 'key' in g + + Check whether an attribute is present. + + .. versionadded:: 0.10 + + .. describe:: iter(g) + + Return an iterator over the attribute names. + + .. versionadded:: 0.10 + """ + + # Define attr methods to let mypy know this is a namespace object + # that has arbitrary attributes. + + def __getattr__(self, name: str) -> t.Any: + try: + return self.__dict__[name] + except KeyError: + raise AttributeError(name) from None + + def __setattr__(self, name: str, value: t.Any) -> None: + self.__dict__[name] = value + + def __delattr__(self, name: str) -> None: + try: + del self.__dict__[name] + except KeyError: + raise AttributeError(name) from None + + def get(self, name: str, default: t.Any | None = None) -> t.Any: + """Get an attribute by name, or a default value. Like + :meth:`dict.get`. + + :param name: Name of attribute to get. + :param default: Value to return if the attribute is not present. + + .. versionadded:: 0.10 + """ + return self.__dict__.get(name, default) + + def pop(self, name: str, default: t.Any = _sentinel) -> t.Any: + """Get and remove an attribute by name. Like :meth:`dict.pop`. + + :param name: Name of attribute to pop. + :param default: Value to return if the attribute is not present, + instead of raising a ``KeyError``. + + .. versionadded:: 0.11 + """ + if default is _sentinel: + return self.__dict__.pop(name) + else: + return self.__dict__.pop(name, default) + + def setdefault(self, name: str, default: t.Any = None) -> t.Any: + """Get the value of an attribute if it is present, otherwise + set and return a default value. Like :meth:`dict.setdefault`. + + :param name: Name of attribute to get. + :param default: Value to set and return if the attribute is not + present. + + .. versionadded:: 0.11 + """ + return self.__dict__.setdefault(name, default) + + def __contains__(self, item: str) -> bool: + return item in self.__dict__ + + def __iter__(self) -> t.Iterator[str]: + return iter(self.__dict__) + + def __repr__(self) -> str: + ctx = _cv_app.get(None) + if ctx is not None: + return f"" + return object.__repr__(self) + + +def after_this_request(f: ft.AfterRequestCallable) -> ft.AfterRequestCallable: + """Executes a function after this request. This is useful to modify + response objects. The function is passed the response object and has + to return the same or a new one. + + Example:: + + @app.route('/') + def index(): + @after_this_request + def add_header(response): + response.headers['X-Foo'] = 'Parachute' + return response + return 'Hello World!' + + This is more useful if a function other than the view function wants to + modify a response. For instance think of a decorator that wants to add + some headers without converting the return value into a response object. + + .. versionadded:: 0.9 + """ + ctx = _cv_request.get(None) + + if ctx is None: + raise RuntimeError( + "'after_this_request' can only be used when a request" + " context is active, such as in a view function." + ) + + ctx._after_request_functions.append(f) + return f + + +def copy_current_request_context(f: t.Callable) -> t.Callable: + """A helper function that decorates a function to retain the current + request context. This is useful when working with greenlets. The moment + the function is decorated a copy of the request context is created and + then pushed when the function is called. The current session is also + included in the copied request context. + + Example:: + + import gevent + from flask import copy_current_request_context + + @app.route('/') + def index(): + @copy_current_request_context + def do_some_work(): + # do some work here, it can access flask.request or + # flask.session like you would otherwise in the view function. + ... + gevent.spawn(do_some_work) + return 'Regular response' + + .. versionadded:: 0.10 + """ + ctx = _cv_request.get(None) + + if ctx is None: + raise RuntimeError( + "'copy_current_request_context' can only be used when a" + " request context is active, such as in a view function." + ) + + ctx = ctx.copy() + + def wrapper(*args, **kwargs): + with ctx: + return ctx.app.ensure_sync(f)(*args, **kwargs) + + return update_wrapper(wrapper, f) + + +def has_request_context() -> bool: + """If you have code that wants to test if a request context is there or + not this function can be used. For instance, you may want to take advantage + of request information if the request object is available, but fail + silently if it is unavailable. + + :: + + class User(db.Model): + + def __init__(self, username, remote_addr=None): + self.username = username + if remote_addr is None and has_request_context(): + remote_addr = request.remote_addr + self.remote_addr = remote_addr + + Alternatively you can also just test any of the context bound objects + (such as :class:`request` or :class:`g`) for truthness:: + + class User(db.Model): + + def __init__(self, username, remote_addr=None): + self.username = username + if remote_addr is None and request: + remote_addr = request.remote_addr + self.remote_addr = remote_addr + + .. versionadded:: 0.7 + """ + return _cv_request.get(None) is not None + + +def has_app_context() -> bool: + """Works like :func:`has_request_context` but for the application + context. You can also just do a boolean check on the + :data:`current_app` object instead. + + .. versionadded:: 0.9 + """ + return _cv_app.get(None) is not None + + +class AppContext: + """The app context contains application-specific information. An app + context is created and pushed at the beginning of each request if + one is not already active. An app context is also pushed when + running CLI commands. + """ + + def __init__(self, app: Flask) -> None: + self.app = app + self.url_adapter = app.create_url_adapter(None) + self.g: _AppCtxGlobals = app.app_ctx_globals_class() + self._cv_tokens: list[contextvars.Token] = [] + + def push(self) -> None: + """Binds the app context to the current context.""" + self._cv_tokens.append(_cv_app.set(self)) + appcontext_pushed.send(self.app, _async_wrapper=self.app.ensure_sync) + + def pop(self, exc: BaseException | None = _sentinel) -> None: # type: ignore + """Pops the app context.""" + try: + if len(self._cv_tokens) == 1: + if exc is _sentinel: + exc = sys.exc_info()[1] + self.app.do_teardown_appcontext(exc) + finally: + ctx = _cv_app.get() + _cv_app.reset(self._cv_tokens.pop()) + + if ctx is not self: + raise AssertionError( + f"Popped wrong app context. ({ctx!r} instead of {self!r})" + ) + + appcontext_popped.send(self.app, _async_wrapper=self.app.ensure_sync) + + def __enter__(self) -> AppContext: + self.push() + return self + + def __exit__( + self, + exc_type: type | None, + exc_value: BaseException | None, + tb: TracebackType | None, + ) -> None: + self.pop(exc_value) + + +class RequestContext: + """The request context contains per-request information. The Flask + app creates and pushes it at the beginning of the request, then pops + it at the end of the request. It will create the URL adapter and + request object for the WSGI environment provided. + + Do not attempt to use this class directly, instead use + :meth:`~flask.Flask.test_request_context` and + :meth:`~flask.Flask.request_context` to create this object. + + When the request context is popped, it will evaluate all the + functions registered on the application for teardown execution + (:meth:`~flask.Flask.teardown_request`). + + The request context is automatically popped at the end of the + request. When using the interactive debugger, the context will be + restored so ``request`` is still accessible. Similarly, the test + client can preserve the context after the request ends. However, + teardown functions may already have closed some resources such as + database connections. + """ + + def __init__( + self, + app: Flask, + environ: dict, + request: Request | None = None, + session: SessionMixin | None = None, + ) -> None: + self.app = app + if request is None: + request = app.request_class(environ) + request.json_module = app.json + self.request: Request = request + self.url_adapter = None + try: + self.url_adapter = app.create_url_adapter(self.request) + except HTTPException as e: + self.request.routing_exception = e + self.flashes: list[tuple[str, str]] | None = None + self.session: SessionMixin | None = session + # Functions that should be executed after the request on the response + # object. These will be called before the regular "after_request" + # functions. + self._after_request_functions: list[ft.AfterRequestCallable] = [] + + self._cv_tokens: list[tuple[contextvars.Token, AppContext | None]] = [] + + def copy(self) -> RequestContext: + """Creates a copy of this request context with the same request object. + This can be used to move a request context to a different greenlet. + Because the actual request object is the same this cannot be used to + move a request context to a different thread unless access to the + request object is locked. + + .. versionadded:: 0.10 + + .. versionchanged:: 1.1 + The current session object is used instead of reloading the original + data. This prevents `flask.session` pointing to an out-of-date object. + """ + return self.__class__( + self.app, + environ=self.request.environ, + request=self.request, + session=self.session, + ) + + def match_request(self) -> None: + """Can be overridden by a subclass to hook into the matching + of the request. + """ + try: + result = self.url_adapter.match(return_rule=True) # type: ignore + self.request.url_rule, self.request.view_args = result # type: ignore + except HTTPException as e: + self.request.routing_exception = e + + def push(self) -> None: + # Before we push the request context we have to ensure that there + # is an application context. + app_ctx = _cv_app.get(None) + + if app_ctx is None or app_ctx.app is not self.app: + app_ctx = self.app.app_context() + app_ctx.push() + else: + app_ctx = None + + self._cv_tokens.append((_cv_request.set(self), app_ctx)) + + # Open the session at the moment that the request context is available. + # This allows a custom open_session method to use the request context. + # Only open a new session if this is the first time the request was + # pushed, otherwise stream_with_context loses the session. + if self.session is None: + session_interface = self.app.session_interface + self.session = session_interface.open_session(self.app, self.request) + + if self.session is None: + self.session = session_interface.make_null_session(self.app) + + # Match the request URL after loading the session, so that the + # session is available in custom URL converters. + if self.url_adapter is not None: + self.match_request() + + def pop(self, exc: BaseException | None = _sentinel) -> None: # type: ignore + """Pops the request context and unbinds it by doing that. This will + also trigger the execution of functions registered by the + :meth:`~flask.Flask.teardown_request` decorator. + + .. versionchanged:: 0.9 + Added the `exc` argument. + """ + clear_request = len(self._cv_tokens) == 1 + + try: + if clear_request: + if exc is _sentinel: + exc = sys.exc_info()[1] + self.app.do_teardown_request(exc) + + request_close = getattr(self.request, "close", None) + if request_close is not None: + request_close() + finally: + ctx = _cv_request.get() + token, app_ctx = self._cv_tokens.pop() + _cv_request.reset(token) + + # get rid of circular dependencies at the end of the request + # so that we don't require the GC to be active. + if clear_request: + ctx.request.environ["werkzeug.request"] = None + + if app_ctx is not None: + app_ctx.pop(exc) + + if ctx is not self: + raise AssertionError( + f"Popped wrong request context. ({ctx!r} instead of {self!r})" + ) + + def __enter__(self) -> RequestContext: + self.push() + return self + + def __exit__( + self, + exc_type: type | None, + exc_value: BaseException | None, + tb: TracebackType | None, + ) -> None: + self.pop(exc_value) + + def __repr__(self) -> str: + return ( + f"<{type(self).__name__} {self.request.url!r}" + f" [{self.request.method}] of {self.app.name}>" + ) diff --git a/venv/lib/python3.12/site-packages/flask/debughelpers.py b/venv/lib/python3.12/site-packages/flask/debughelpers.py new file mode 100644 index 0000000..6061441 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/debughelpers.py @@ -0,0 +1,160 @@ +from __future__ import annotations + +import typing as t + +from .app import Flask +from .blueprints import Blueprint +from .globals import request_ctx + + +class UnexpectedUnicodeError(AssertionError, UnicodeError): + """Raised in places where we want some better error reporting for + unexpected unicode or binary data. + """ + + +class DebugFilesKeyError(KeyError, AssertionError): + """Raised from request.files during debugging. The idea is that it can + provide a better error message than just a generic KeyError/BadRequest. + """ + + def __init__(self, request, key): + form_matches = request.form.getlist(key) + buf = [ + f"You tried to access the file {key!r} in the request.files" + " dictionary but it does not exist. The mimetype for the" + f" request is {request.mimetype!r} instead of" + " 'multipart/form-data' which means that no file contents" + " were transmitted. To fix this error you should provide" + ' enctype="multipart/form-data" in your form.' + ] + if form_matches: + names = ", ".join(repr(x) for x in form_matches) + buf.append( + "\n\nThe browser instead transmitted some file names. " + f"This was submitted: {names}" + ) + self.msg = "".join(buf) + + def __str__(self): + return self.msg + + +class FormDataRoutingRedirect(AssertionError): + """This exception is raised in debug mode if a routing redirect + would cause the browser to drop the method or body. This happens + when method is not GET, HEAD or OPTIONS and the status code is not + 307 or 308. + """ + + def __init__(self, request): + exc = request.routing_exception + buf = [ + f"A request was sent to '{request.url}', but routing issued" + f" a redirect to the canonical URL '{exc.new_url}'." + ] + + if f"{request.base_url}/" == exc.new_url.partition("?")[0]: + buf.append( + " The URL was defined with a trailing slash. Flask" + " will redirect to the URL with a trailing slash if it" + " was accessed without one." + ) + + buf.append( + " Send requests to the canonical URL, or use 307 or 308 for" + " routing redirects. Otherwise, browsers will drop form" + " data.\n\n" + "This exception is only raised in debug mode." + ) + super().__init__("".join(buf)) + + +def attach_enctype_error_multidict(request): + """Patch ``request.files.__getitem__`` to raise a descriptive error + about ``enctype=multipart/form-data``. + + :param request: The request to patch. + :meta private: + """ + oldcls = request.files.__class__ + + class newcls(oldcls): + def __getitem__(self, key): + try: + return super().__getitem__(key) + except KeyError as e: + if key not in request.form: + raise + + raise DebugFilesKeyError(request, key).with_traceback( + e.__traceback__ + ) from None + + newcls.__name__ = oldcls.__name__ + newcls.__module__ = oldcls.__module__ + request.files.__class__ = newcls + + +def _dump_loader_info(loader) -> t.Generator: + yield f"class: {type(loader).__module__}.{type(loader).__name__}" + for key, value in sorted(loader.__dict__.items()): + if key.startswith("_"): + continue + if isinstance(value, (tuple, list)): + if not all(isinstance(x, str) for x in value): + continue + yield f"{key}:" + for item in value: + yield f" - {item}" + continue + elif not isinstance(value, (str, int, float, bool)): + continue + yield f"{key}: {value!r}" + + +def explain_template_loading_attempts(app: Flask, template, attempts) -> None: + """This should help developers understand what failed""" + info = [f"Locating template {template!r}:"] + total_found = 0 + blueprint = None + if request_ctx and request_ctx.request.blueprint is not None: + blueprint = request_ctx.request.blueprint + + for idx, (loader, srcobj, triple) in enumerate(attempts): + if isinstance(srcobj, Flask): + src_info = f"application {srcobj.import_name!r}" + elif isinstance(srcobj, Blueprint): + src_info = f"blueprint {srcobj.name!r} ({srcobj.import_name})" + else: + src_info = repr(srcobj) + + info.append(f"{idx + 1:5}: trying loader of {src_info}") + + for line in _dump_loader_info(loader): + info.append(f" {line}") + + if triple is None: + detail = "no match" + else: + detail = f"found ({triple[1] or ''!r})" + total_found += 1 + info.append(f" -> {detail}") + + seems_fishy = False + if total_found == 0: + info.append("Error: the template could not be found.") + seems_fishy = True + elif total_found > 1: + info.append("Warning: multiple loaders returned a match for the template.") + seems_fishy = True + + if blueprint is not None and seems_fishy: + info.append( + " The template was looked up from an endpoint that belongs" + f" to the blueprint {blueprint!r}." + ) + info.append(" Maybe you did not place a template in the right folder?") + info.append(" See https://flask.palletsprojects.com/blueprints/#templates") + + app.logger.info("\n".join(info)) diff --git a/venv/lib/python3.12/site-packages/flask/globals.py b/venv/lib/python3.12/site-packages/flask/globals.py new file mode 100644 index 0000000..e9cd4ac --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/globals.py @@ -0,0 +1,96 @@ +from __future__ import annotations + +import typing as t +from contextvars import ContextVar + +from werkzeug.local import LocalProxy + +if t.TYPE_CHECKING: # pragma: no cover + from .app import Flask + from .ctx import _AppCtxGlobals + from .ctx import AppContext + from .ctx import RequestContext + from .sessions import SessionMixin + from .wrappers import Request + + +class _FakeStack: + def __init__(self, name: str, cv: ContextVar[t.Any]) -> None: + self.name = name + self.cv = cv + + @property + def top(self) -> t.Any | None: + import warnings + + warnings.warn( + f"'_{self.name}_ctx_stack' is deprecated and will be removed in Flask 2.4." + f" Use 'g' to store data, or '{self.name}_ctx' to access the current" + " context.", + DeprecationWarning, + stacklevel=2, + ) + return self.cv.get(None) + + +_no_app_msg = """\ +Working outside of application context. + +This typically means that you attempted to use functionality that needed +the current application. To solve this, set up an application context +with app.app_context(). See the documentation for more information.\ +""" +_cv_app: ContextVar[AppContext] = ContextVar("flask.app_ctx") +__app_ctx_stack = _FakeStack("app", _cv_app) +app_ctx: AppContext = LocalProxy( # type: ignore[assignment] + _cv_app, unbound_message=_no_app_msg +) +current_app: Flask = LocalProxy( # type: ignore[assignment] + _cv_app, "app", unbound_message=_no_app_msg +) +g: _AppCtxGlobals = LocalProxy( # type: ignore[assignment] + _cv_app, "g", unbound_message=_no_app_msg +) + +_no_req_msg = """\ +Working outside of request context. + +This typically means that you attempted to use functionality that needed +an active HTTP request. Consult the documentation on testing for +information about how to avoid this problem.\ +""" +_cv_request: ContextVar[RequestContext] = ContextVar("flask.request_ctx") +__request_ctx_stack = _FakeStack("request", _cv_request) +request_ctx: RequestContext = LocalProxy( # type: ignore[assignment] + _cv_request, unbound_message=_no_req_msg +) +request: Request = LocalProxy( # type: ignore[assignment] + _cv_request, "request", unbound_message=_no_req_msg +) +session: SessionMixin = LocalProxy( # type: ignore[assignment] + _cv_request, "session", unbound_message=_no_req_msg +) + + +def __getattr__(name: str) -> t.Any: + if name == "_app_ctx_stack": + import warnings + + warnings.warn( + "'_app_ctx_stack' is deprecated and will be removed in Flask 2.4.", + DeprecationWarning, + stacklevel=2, + ) + return __app_ctx_stack + + if name == "_request_ctx_stack": + import warnings + + warnings.warn( + "'_request_ctx_stack' is deprecated and will be removed in Flask 2.4.", + DeprecationWarning, + stacklevel=2, + ) + return __request_ctx_stack + + raise AttributeError(name) diff --git a/venv/lib/python3.12/site-packages/flask/helpers.py b/venv/lib/python3.12/site-packages/flask/helpers.py new file mode 100644 index 0000000..284c369 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/helpers.py @@ -0,0 +1,701 @@ +from __future__ import annotations + +import importlib.util +import os +import socket +import sys +import typing as t +import warnings +from datetime import datetime +from functools import lru_cache +from functools import update_wrapper +from threading import RLock + +import werkzeug.utils +from werkzeug.exceptions import abort as _wz_abort +from werkzeug.utils import redirect as _wz_redirect + +from .globals import _cv_request +from .globals import current_app +from .globals import request +from .globals import request_ctx +from .globals import session +from .signals import message_flashed + +if t.TYPE_CHECKING: # pragma: no cover + from werkzeug.wrappers import Response as BaseResponse + from .wrappers import Response + + +def get_debug_flag() -> bool: + """Get whether debug mode should be enabled for the app, indicated by the + :envvar:`FLASK_DEBUG` environment variable. The default is ``False``. + """ + val = os.environ.get("FLASK_DEBUG") + return bool(val and val.lower() not in {"0", "false", "no"}) + + +def get_load_dotenv(default: bool = True) -> bool: + """Get whether the user has disabled loading default dotenv files by + setting :envvar:`FLASK_SKIP_DOTENV`. The default is ``True``, load + the files. + + :param default: What to return if the env var isn't set. + """ + val = os.environ.get("FLASK_SKIP_DOTENV") + + if not val: + return default + + return val.lower() in ("0", "false", "no") + + +def stream_with_context( + generator_or_function: ( + t.Iterator[t.AnyStr] | t.Callable[..., t.Iterator[t.AnyStr]] + ) +) -> t.Iterator[t.AnyStr]: + """Request contexts disappear when the response is started on the server. + This is done for efficiency reasons and to make it less likely to encounter + memory leaks with badly written WSGI middlewares. The downside is that if + you are using streamed responses, the generator cannot access request bound + information any more. + + This function however can help you keep the context around for longer:: + + from flask import stream_with_context, request, Response + + @app.route('/stream') + def streamed_response(): + @stream_with_context + def generate(): + yield 'Hello ' + yield request.args['name'] + yield '!' + return Response(generate()) + + Alternatively it can also be used around a specific generator:: + + from flask import stream_with_context, request, Response + + @app.route('/stream') + def streamed_response(): + def generate(): + yield 'Hello ' + yield request.args['name'] + yield '!' + return Response(stream_with_context(generate())) + + .. versionadded:: 0.9 + """ + try: + gen = iter(generator_or_function) # type: ignore + except TypeError: + + def decorator(*args: t.Any, **kwargs: t.Any) -> t.Any: + gen = generator_or_function(*args, **kwargs) # type: ignore + return stream_with_context(gen) + + return update_wrapper(decorator, generator_or_function) # type: ignore + + def generator() -> t.Generator: + ctx = _cv_request.get(None) + if ctx is None: + raise RuntimeError( + "'stream_with_context' can only be used when a request" + " context is active, such as in a view function." + ) + with ctx: + # Dummy sentinel. Has to be inside the context block or we're + # not actually keeping the context around. + yield None + + # The try/finally is here so that if someone passes a WSGI level + # iterator in we're still running the cleanup logic. Generators + # don't need that because they are closed on their destruction + # automatically. + try: + yield from gen + finally: + if hasattr(gen, "close"): + gen.close() + + # The trick is to start the generator. Then the code execution runs until + # the first dummy None is yielded at which point the context was already + # pushed. This item is discarded. Then when the iteration continues the + # real generator is executed. + wrapped_g = generator() + next(wrapped_g) + return wrapped_g + + +def make_response(*args: t.Any) -> Response: + """Sometimes it is necessary to set additional headers in a view. Because + views do not have to return response objects but can return a value that + is converted into a response object by Flask itself, it becomes tricky to + add headers to it. This function can be called instead of using a return + and you will get a response object which you can use to attach headers. + + If view looked like this and you want to add a new header:: + + def index(): + return render_template('index.html', foo=42) + + You can now do something like this:: + + def index(): + response = make_response(render_template('index.html', foo=42)) + response.headers['X-Parachutes'] = 'parachutes are cool' + return response + + This function accepts the very same arguments you can return from a + view function. This for example creates a response with a 404 error + code:: + + response = make_response(render_template('not_found.html'), 404) + + The other use case of this function is to force the return value of a + view function into a response which is helpful with view + decorators:: + + response = make_response(view_function()) + response.headers['X-Parachutes'] = 'parachutes are cool' + + Internally this function does the following things: + + - if no arguments are passed, it creates a new response argument + - if one argument is passed, :meth:`flask.Flask.make_response` + is invoked with it. + - if more than one argument is passed, the arguments are passed + to the :meth:`flask.Flask.make_response` function as tuple. + + .. versionadded:: 0.6 + """ + if not args: + return current_app.response_class() + if len(args) == 1: + args = args[0] + return current_app.make_response(args) # type: ignore + + +def url_for( + endpoint: str, + *, + _anchor: str | None = None, + _method: str | None = None, + _scheme: str | None = None, + _external: bool | None = None, + **values: t.Any, +) -> str: + """Generate a URL to the given endpoint with the given values. + + This requires an active request or application context, and calls + :meth:`current_app.url_for() `. See that method + for full documentation. + + :param endpoint: The endpoint name associated with the URL to + generate. If this starts with a ``.``, the current blueprint + name (if any) will be used. + :param _anchor: If given, append this as ``#anchor`` to the URL. + :param _method: If given, generate the URL associated with this + method for the endpoint. + :param _scheme: If given, the URL will have this scheme if it is + external. + :param _external: If given, prefer the URL to be internal (False) or + require it to be external (True). External URLs include the + scheme and domain. When not in an active request, URLs are + external by default. + :param values: Values to use for the variable parts of the URL rule. + Unknown keys are appended as query string arguments, like + ``?a=b&c=d``. + + .. versionchanged:: 2.2 + Calls ``current_app.url_for``, allowing an app to override the + behavior. + + .. versionchanged:: 0.10 + The ``_scheme`` parameter was added. + + .. versionchanged:: 0.9 + The ``_anchor`` and ``_method`` parameters were added. + + .. versionchanged:: 0.9 + Calls ``app.handle_url_build_error`` on build errors. + """ + return current_app.url_for( + endpoint, + _anchor=_anchor, + _method=_method, + _scheme=_scheme, + _external=_external, + **values, + ) + + +def redirect( + location: str, code: int = 302, Response: type[BaseResponse] | None = None +) -> BaseResponse: + """Create a redirect response object. + + If :data:`~flask.current_app` is available, it will use its + :meth:`~flask.Flask.redirect` method, otherwise it will use + :func:`werkzeug.utils.redirect`. + + :param location: The URL to redirect to. + :param code: The status code for the redirect. + :param Response: The response class to use. Not used when + ``current_app`` is active, which uses ``app.response_class``. + + .. versionadded:: 2.2 + Calls ``current_app.redirect`` if available instead of always + using Werkzeug's default ``redirect``. + """ + if current_app: + return current_app.redirect(location, code=code) + + return _wz_redirect(location, code=code, Response=Response) + + +def abort(code: int | BaseResponse, *args: t.Any, **kwargs: t.Any) -> t.NoReturn: + """Raise an :exc:`~werkzeug.exceptions.HTTPException` for the given + status code. + + If :data:`~flask.current_app` is available, it will call its + :attr:`~flask.Flask.aborter` object, otherwise it will use + :func:`werkzeug.exceptions.abort`. + + :param code: The status code for the exception, which must be + registered in ``app.aborter``. + :param args: Passed to the exception. + :param kwargs: Passed to the exception. + + .. versionadded:: 2.2 + Calls ``current_app.aborter`` if available instead of always + using Werkzeug's default ``abort``. + """ + if current_app: + current_app.aborter(code, *args, **kwargs) + + _wz_abort(code, *args, **kwargs) + + +def get_template_attribute(template_name: str, attribute: str) -> t.Any: + """Loads a macro (or variable) a template exports. This can be used to + invoke a macro from within Python code. If you for example have a + template named :file:`_cider.html` with the following contents: + + .. sourcecode:: html+jinja + + {% macro hello(name) %}Hello {{ name }}!{% endmacro %} + + You can access this from Python code like this:: + + hello = get_template_attribute('_cider.html', 'hello') + return hello('World') + + .. versionadded:: 0.2 + + :param template_name: the name of the template + :param attribute: the name of the variable of macro to access + """ + return getattr(current_app.jinja_env.get_template(template_name).module, attribute) + + +def flash(message: str, category: str = "message") -> None: + """Flashes a message to the next request. In order to remove the + flashed message from the session and to display it to the user, + the template has to call :func:`get_flashed_messages`. + + .. versionchanged:: 0.3 + `category` parameter added. + + :param message: the message to be flashed. + :param category: the category for the message. The following values + are recommended: ``'message'`` for any kind of message, + ``'error'`` for errors, ``'info'`` for information + messages and ``'warning'`` for warnings. However any + kind of string can be used as category. + """ + # Original implementation: + # + # session.setdefault('_flashes', []).append((category, message)) + # + # This assumed that changes made to mutable structures in the session are + # always in sync with the session object, which is not true for session + # implementations that use external storage for keeping their keys/values. + flashes = session.get("_flashes", []) + flashes.append((category, message)) + session["_flashes"] = flashes + app = current_app._get_current_object() # type: ignore + message_flashed.send( + app, + _async_wrapper=app.ensure_sync, + message=message, + category=category, + ) + + +def get_flashed_messages( + with_categories: bool = False, category_filter: t.Iterable[str] = () +) -> list[str] | list[tuple[str, str]]: + """Pulls all flashed messages from the session and returns them. + Further calls in the same request to the function will return + the same messages. By default just the messages are returned, + but when `with_categories` is set to ``True``, the return value will + be a list of tuples in the form ``(category, message)`` instead. + + Filter the flashed messages to one or more categories by providing those + categories in `category_filter`. This allows rendering categories in + separate html blocks. The `with_categories` and `category_filter` + arguments are distinct: + + * `with_categories` controls whether categories are returned with message + text (``True`` gives a tuple, where ``False`` gives just the message text). + * `category_filter` filters the messages down to only those matching the + provided categories. + + See :doc:`/patterns/flashing` for examples. + + .. versionchanged:: 0.3 + `with_categories` parameter added. + + .. versionchanged:: 0.9 + `category_filter` parameter added. + + :param with_categories: set to ``True`` to also receive categories. + :param category_filter: filter of categories to limit return values. Only + categories in the list will be returned. + """ + flashes = request_ctx.flashes + if flashes is None: + flashes = session.pop("_flashes") if "_flashes" in session else [] + request_ctx.flashes = flashes + if category_filter: + flashes = list(filter(lambda f: f[0] in category_filter, flashes)) + if not with_categories: + return [x[1] for x in flashes] + return flashes + + +def _prepare_send_file_kwargs(**kwargs: t.Any) -> dict[str, t.Any]: + if kwargs.get("max_age") is None: + kwargs["max_age"] = current_app.get_send_file_max_age + + kwargs.update( + environ=request.environ, + use_x_sendfile=current_app.config["USE_X_SENDFILE"], + response_class=current_app.response_class, + _root_path=current_app.root_path, # type: ignore + ) + return kwargs + + +def send_file( + path_or_file: os.PathLike | str | t.BinaryIO, + mimetype: str | None = None, + as_attachment: bool = False, + download_name: str | None = None, + conditional: bool = True, + etag: bool | str = True, + last_modified: datetime | int | float | None = None, + max_age: None | (int | t.Callable[[str | None], int | None]) = None, +) -> Response: + """Send the contents of a file to the client. + + The first argument can be a file path or a file-like object. Paths + are preferred in most cases because Werkzeug can manage the file and + get extra information from the path. Passing a file-like object + requires that the file is opened in binary mode, and is mostly + useful when building a file in memory with :class:`io.BytesIO`. + + Never pass file paths provided by a user. The path is assumed to be + trusted, so a user could craft a path to access a file you didn't + intend. Use :func:`send_from_directory` to safely serve + user-requested paths from within a directory. + + If the WSGI server sets a ``file_wrapper`` in ``environ``, it is + used, otherwise Werkzeug's built-in wrapper is used. Alternatively, + if the HTTP server supports ``X-Sendfile``, configuring Flask with + ``USE_X_SENDFILE = True`` will tell the server to send the given + path, which is much more efficient than reading it in Python. + + :param path_or_file: The path to the file to send, relative to the + current working directory if a relative path is given. + Alternatively, a file-like object opened in binary mode. Make + sure the file pointer is seeked to the start of the data. + :param mimetype: The MIME type to send for the file. If not + provided, it will try to detect it from the file name. + :param as_attachment: Indicate to a browser that it should offer to + save the file instead of displaying it. + :param download_name: The default name browsers will use when saving + the file. Defaults to the passed file name. + :param conditional: Enable conditional and range responses based on + request headers. Requires passing a file path and ``environ``. + :param etag: Calculate an ETag for the file, which requires passing + a file path. Can also be a string to use instead. + :param last_modified: The last modified time to send for the file, + in seconds. If not provided, it will try to detect it from the + file path. + :param max_age: How long the client should cache the file, in + seconds. If set, ``Cache-Control`` will be ``public``, otherwise + it will be ``no-cache`` to prefer conditional caching. + + .. versionchanged:: 2.0 + ``download_name`` replaces the ``attachment_filename`` + parameter. If ``as_attachment=False``, it is passed with + ``Content-Disposition: inline`` instead. + + .. versionchanged:: 2.0 + ``max_age`` replaces the ``cache_timeout`` parameter. + ``conditional`` is enabled and ``max_age`` is not set by + default. + + .. versionchanged:: 2.0 + ``etag`` replaces the ``add_etags`` parameter. It can be a + string to use instead of generating one. + + .. versionchanged:: 2.0 + Passing a file-like object that inherits from + :class:`~io.TextIOBase` will raise a :exc:`ValueError` rather + than sending an empty file. + + .. versionadded:: 2.0 + Moved the implementation to Werkzeug. This is now a wrapper to + pass some Flask-specific arguments. + + .. versionchanged:: 1.1 + ``filename`` may be a :class:`~os.PathLike` object. + + .. versionchanged:: 1.1 + Passing a :class:`~io.BytesIO` object supports range requests. + + .. versionchanged:: 1.0.3 + Filenames are encoded with ASCII instead of Latin-1 for broader + compatibility with WSGI servers. + + .. versionchanged:: 1.0 + UTF-8 filenames as specified in :rfc:`2231` are supported. + + .. versionchanged:: 0.12 + The filename is no longer automatically inferred from file + objects. If you want to use automatic MIME and etag support, + pass a filename via ``filename_or_fp`` or + ``attachment_filename``. + + .. versionchanged:: 0.12 + ``attachment_filename`` is preferred over ``filename`` for MIME + detection. + + .. versionchanged:: 0.9 + ``cache_timeout`` defaults to + :meth:`Flask.get_send_file_max_age`. + + .. versionchanged:: 0.7 + MIME guessing and etag support for file-like objects was + deprecated because it was unreliable. Pass a filename if you are + able to, otherwise attach an etag yourself. + + .. versionchanged:: 0.5 + The ``add_etags``, ``cache_timeout`` and ``conditional`` + parameters were added. The default behavior is to add etags. + + .. versionadded:: 0.2 + """ + return werkzeug.utils.send_file( # type: ignore[return-value] + **_prepare_send_file_kwargs( + path_or_file=path_or_file, + environ=request.environ, + mimetype=mimetype, + as_attachment=as_attachment, + download_name=download_name, + conditional=conditional, + etag=etag, + last_modified=last_modified, + max_age=max_age, + ) + ) + + +def send_from_directory( + directory: os.PathLike | str, + path: os.PathLike | str, + **kwargs: t.Any, +) -> Response: + """Send a file from within a directory using :func:`send_file`. + + .. code-block:: python + + @app.route("/uploads/") + def download_file(name): + return send_from_directory( + app.config['UPLOAD_FOLDER'], name, as_attachment=True + ) + + This is a secure way to serve files from a folder, such as static + files or uploads. Uses :func:`~werkzeug.security.safe_join` to + ensure the path coming from the client is not maliciously crafted to + point outside the specified directory. + + If the final path does not point to an existing regular file, + raises a 404 :exc:`~werkzeug.exceptions.NotFound` error. + + :param directory: The directory that ``path`` must be located under, + relative to the current application's root path. + :param path: The path to the file to send, relative to + ``directory``. + :param kwargs: Arguments to pass to :func:`send_file`. + + .. versionchanged:: 2.0 + ``path`` replaces the ``filename`` parameter. + + .. versionadded:: 2.0 + Moved the implementation to Werkzeug. This is now a wrapper to + pass some Flask-specific arguments. + + .. versionadded:: 0.5 + """ + return werkzeug.utils.send_from_directory( # type: ignore[return-value] + directory, path, **_prepare_send_file_kwargs(**kwargs) + ) + + +def get_root_path(import_name: str) -> str: + """Find the root path of a package, or the path that contains a + module. If it cannot be found, returns the current working + directory. + + Not to be confused with the value returned by :func:`find_package`. + + :meta private: + """ + # Module already imported and has a file attribute. Use that first. + mod = sys.modules.get(import_name) + + if mod is not None and hasattr(mod, "__file__") and mod.__file__ is not None: + return os.path.dirname(os.path.abspath(mod.__file__)) + + # Next attempt: check the loader. + try: + spec = importlib.util.find_spec(import_name) + + if spec is None: + raise ValueError + except (ImportError, ValueError): + loader = None + else: + loader = spec.loader + + # Loader does not exist or we're referring to an unloaded main + # module or a main module without path (interactive sessions), go + # with the current working directory. + if loader is None: + return os.getcwd() + + if hasattr(loader, "get_filename"): + filepath = loader.get_filename(import_name) + else: + # Fall back to imports. + __import__(import_name) + mod = sys.modules[import_name] + filepath = getattr(mod, "__file__", None) + + # If we don't have a file path it might be because it is a + # namespace package. In this case pick the root path from the + # first module that is contained in the package. + if filepath is None: + raise RuntimeError( + "No root path can be found for the provided module" + f" {import_name!r}. This can happen because the module" + " came from an import hook that does not provide file" + " name information or because it's a namespace package." + " In this case the root path needs to be explicitly" + " provided." + ) + + # filepath is import_name.py for a module, or __init__.py for a package. + return os.path.dirname(os.path.abspath(filepath)) + + +class locked_cached_property(werkzeug.utils.cached_property): + """A :func:`property` that is only evaluated once. Like + :class:`werkzeug.utils.cached_property` except access uses a lock + for thread safety. + + .. deprecated:: 2.3 + Will be removed in Flask 2.4. Use a lock inside the decorated function if + locking is needed. + + .. versionchanged:: 2.0 + Inherits from Werkzeug's ``cached_property`` (and ``property``). + """ + + def __init__( + self, + fget: t.Callable[[t.Any], t.Any], + name: str | None = None, + doc: str | None = None, + ) -> None: + import warnings + + warnings.warn( + "'locked_cached_property' is deprecated and will be removed in Flask 2.4." + " Use a lock inside the decorated function if locking is needed.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(fget, name=name, doc=doc) + self.lock = RLock() + + def __get__(self, obj: object, type: type = None) -> t.Any: # type: ignore + if obj is None: + return self + + with self.lock: + return super().__get__(obj, type=type) + + def __set__(self, obj: object, value: t.Any) -> None: + with self.lock: + super().__set__(obj, value) + + def __delete__(self, obj: object) -> None: + with self.lock: + super().__delete__(obj) + + +def is_ip(value: str) -> bool: + """Determine if the given string is an IP address. + + :param value: value to check + :type value: str + + :return: True if string is an IP address + :rtype: bool + + .. deprecated:: 2.3 + Will be removed in Flask 2.4. + """ + warnings.warn( + "The 'is_ip' function is deprecated and will be removed in Flask 2.4.", + DeprecationWarning, + stacklevel=2, + ) + + for family in (socket.AF_INET, socket.AF_INET6): + try: + socket.inet_pton(family, value) + except OSError: + pass + else: + return True + + return False + + +@lru_cache(maxsize=None) +def _split_blueprint_path(name: str) -> list[str]: + out: list[str] = [name] + + if "." in name: + out.extend(_split_blueprint_path(name.rpartition(".")[0])) + + return out diff --git a/venv/lib/python3.12/site-packages/flask/json/__init__.py b/venv/lib/python3.12/site-packages/flask/json/__init__.py new file mode 100644 index 0000000..f15296f --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/json/__init__.py @@ -0,0 +1,170 @@ +from __future__ import annotations + +import json as _json +import typing as t + +from ..globals import current_app +from .provider import _default + +if t.TYPE_CHECKING: # pragma: no cover + from ..wrappers import Response + + +def dumps(obj: t.Any, **kwargs: t.Any) -> str: + """Serialize data as JSON. + + If :data:`~flask.current_app` is available, it will use its + :meth:`app.json.dumps() ` + method, otherwise it will use :func:`json.dumps`. + + :param obj: The data to serialize. + :param kwargs: Arguments passed to the ``dumps`` implementation. + + .. versionchanged:: 2.3 + The ``app`` parameter was removed. + + .. versionchanged:: 2.2 + Calls ``current_app.json.dumps``, allowing an app to override + the behavior. + + .. versionchanged:: 2.0.2 + :class:`decimal.Decimal` is supported by converting to a string. + + .. versionchanged:: 2.0 + ``encoding`` will be removed in Flask 2.1. + + .. versionchanged:: 1.0.3 + ``app`` can be passed directly, rather than requiring an app + context for configuration. + """ + if current_app: + return current_app.json.dumps(obj, **kwargs) + + kwargs.setdefault("default", _default) + return _json.dumps(obj, **kwargs) + + +def dump(obj: t.Any, fp: t.IO[str], **kwargs: t.Any) -> None: + """Serialize data as JSON and write to a file. + + If :data:`~flask.current_app` is available, it will use its + :meth:`app.json.dump() ` + method, otherwise it will use :func:`json.dump`. + + :param obj: The data to serialize. + :param fp: A file opened for writing text. Should use the UTF-8 + encoding to be valid JSON. + :param kwargs: Arguments passed to the ``dump`` implementation. + + .. versionchanged:: 2.3 + The ``app`` parameter was removed. + + .. versionchanged:: 2.2 + Calls ``current_app.json.dump``, allowing an app to override + the behavior. + + .. versionchanged:: 2.0 + Writing to a binary file, and the ``encoding`` argument, will be + removed in Flask 2.1. + """ + if current_app: + current_app.json.dump(obj, fp, **kwargs) + else: + kwargs.setdefault("default", _default) + _json.dump(obj, fp, **kwargs) + + +def loads(s: str | bytes, **kwargs: t.Any) -> t.Any: + """Deserialize data as JSON. + + If :data:`~flask.current_app` is available, it will use its + :meth:`app.json.loads() ` + method, otherwise it will use :func:`json.loads`. + + :param s: Text or UTF-8 bytes. + :param kwargs: Arguments passed to the ``loads`` implementation. + + .. versionchanged:: 2.3 + The ``app`` parameter was removed. + + .. versionchanged:: 2.2 + Calls ``current_app.json.loads``, allowing an app to override + the behavior. + + .. versionchanged:: 2.0 + ``encoding`` will be removed in Flask 2.1. The data must be a + string or UTF-8 bytes. + + .. versionchanged:: 1.0.3 + ``app`` can be passed directly, rather than requiring an app + context for configuration. + """ + if current_app: + return current_app.json.loads(s, **kwargs) + + return _json.loads(s, **kwargs) + + +def load(fp: t.IO[t.AnyStr], **kwargs: t.Any) -> t.Any: + """Deserialize data as JSON read from a file. + + If :data:`~flask.current_app` is available, it will use its + :meth:`app.json.load() ` + method, otherwise it will use :func:`json.load`. + + :param fp: A file opened for reading text or UTF-8 bytes. + :param kwargs: Arguments passed to the ``load`` implementation. + + .. versionchanged:: 2.3 + The ``app`` parameter was removed. + + .. versionchanged:: 2.2 + Calls ``current_app.json.load``, allowing an app to override + the behavior. + + .. versionchanged:: 2.2 + The ``app`` parameter will be removed in Flask 2.3. + + .. versionchanged:: 2.0 + ``encoding`` will be removed in Flask 2.1. The file must be text + mode, or binary mode with UTF-8 bytes. + """ + if current_app: + return current_app.json.load(fp, **kwargs) + + return _json.load(fp, **kwargs) + + +def jsonify(*args: t.Any, **kwargs: t.Any) -> Response: + """Serialize the given arguments as JSON, and return a + :class:`~flask.Response` object with the ``application/json`` + mimetype. A dict or list returned from a view will be converted to a + JSON response automatically without needing to call this. + + This requires an active request or application context, and calls + :meth:`app.json.response() `. + + In debug mode, the output is formatted with indentation to make it + easier to read. This may also be controlled by the provider. + + Either positional or keyword arguments can be given, not both. + If no arguments are given, ``None`` is serialized. + + :param args: A single value to serialize, or multiple values to + treat as a list to serialize. + :param kwargs: Treat as a dict to serialize. + + .. versionchanged:: 2.2 + Calls ``current_app.json.response``, allowing an app to override + the behavior. + + .. versionchanged:: 2.0.2 + :class:`decimal.Decimal` is supported by converting to a string. + + .. versionchanged:: 0.11 + Added support for serializing top-level arrays. This was a + security risk in ancient browsers. See :ref:`security-json`. + + .. versionadded:: 0.2 + """ + return current_app.json.response(*args, **kwargs) diff --git a/venv/lib/python3.12/site-packages/flask/json/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/flask/json/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..068d993 Binary files /dev/null and b/venv/lib/python3.12/site-packages/flask/json/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/flask/json/__pycache__/provider.cpython-312.pyc b/venv/lib/python3.12/site-packages/flask/json/__pycache__/provider.cpython-312.pyc new file mode 100644 index 0000000..6d848f6 Binary files /dev/null and b/venv/lib/python3.12/site-packages/flask/json/__pycache__/provider.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/flask/json/__pycache__/tag.cpython-312.pyc b/venv/lib/python3.12/site-packages/flask/json/__pycache__/tag.cpython-312.pyc new file mode 100644 index 0000000..04bd5f4 Binary files /dev/null and b/venv/lib/python3.12/site-packages/flask/json/__pycache__/tag.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/flask/json/provider.py b/venv/lib/python3.12/site-packages/flask/json/provider.py new file mode 100644 index 0000000..0edd3d5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/json/provider.py @@ -0,0 +1,216 @@ +from __future__ import annotations + +import dataclasses +import decimal +import json +import typing as t +import uuid +import weakref +from datetime import date + +from werkzeug.http import http_date + +if t.TYPE_CHECKING: # pragma: no cover + from ..app import Flask + from ..wrappers import Response + + +class JSONProvider: + """A standard set of JSON operations for an application. Subclasses + of this can be used to customize JSON behavior or use different + JSON libraries. + + To implement a provider for a specific library, subclass this base + class and implement at least :meth:`dumps` and :meth:`loads`. All + other methods have default implementations. + + To use a different provider, either subclass ``Flask`` and set + :attr:`~flask.Flask.json_provider_class` to a provider class, or set + :attr:`app.json ` to an instance of the class. + + :param app: An application instance. This will be stored as a + :class:`weakref.proxy` on the :attr:`_app` attribute. + + .. versionadded:: 2.2 + """ + + def __init__(self, app: Flask) -> None: + self._app = weakref.proxy(app) + + def dumps(self, obj: t.Any, **kwargs: t.Any) -> str: + """Serialize data as JSON. + + :param obj: The data to serialize. + :param kwargs: May be passed to the underlying JSON library. + """ + raise NotImplementedError + + def dump(self, obj: t.Any, fp: t.IO[str], **kwargs: t.Any) -> None: + """Serialize data as JSON and write to a file. + + :param obj: The data to serialize. + :param fp: A file opened for writing text. Should use the UTF-8 + encoding to be valid JSON. + :param kwargs: May be passed to the underlying JSON library. + """ + fp.write(self.dumps(obj, **kwargs)) + + def loads(self, s: str | bytes, **kwargs: t.Any) -> t.Any: + """Deserialize data as JSON. + + :param s: Text or UTF-8 bytes. + :param kwargs: May be passed to the underlying JSON library. + """ + raise NotImplementedError + + def load(self, fp: t.IO[t.AnyStr], **kwargs: t.Any) -> t.Any: + """Deserialize data as JSON read from a file. + + :param fp: A file opened for reading text or UTF-8 bytes. + :param kwargs: May be passed to the underlying JSON library. + """ + return self.loads(fp.read(), **kwargs) + + def _prepare_response_obj( + self, args: tuple[t.Any, ...], kwargs: dict[str, t.Any] + ) -> t.Any: + if args and kwargs: + raise TypeError("app.json.response() takes either args or kwargs, not both") + + if not args and not kwargs: + return None + + if len(args) == 1: + return args[0] + + return args or kwargs + + def response(self, *args: t.Any, **kwargs: t.Any) -> Response: + """Serialize the given arguments as JSON, and return a + :class:`~flask.Response` object with the ``application/json`` + mimetype. + + The :func:`~flask.json.jsonify` function calls this method for + the current application. + + Either positional or keyword arguments can be given, not both. + If no arguments are given, ``None`` is serialized. + + :param args: A single value to serialize, or multiple values to + treat as a list to serialize. + :param kwargs: Treat as a dict to serialize. + """ + obj = self._prepare_response_obj(args, kwargs) + return self._app.response_class(self.dumps(obj), mimetype="application/json") + + +def _default(o: t.Any) -> t.Any: + if isinstance(o, date): + return http_date(o) + + if isinstance(o, (decimal.Decimal, uuid.UUID)): + return str(o) + + if dataclasses and dataclasses.is_dataclass(o): + return dataclasses.asdict(o) + + if hasattr(o, "__html__"): + return str(o.__html__()) + + raise TypeError(f"Object of type {type(o).__name__} is not JSON serializable") + + +class DefaultJSONProvider(JSONProvider): + """Provide JSON operations using Python's built-in :mod:`json` + library. Serializes the following additional data types: + + - :class:`datetime.datetime` and :class:`datetime.date` are + serialized to :rfc:`822` strings. This is the same as the HTTP + date format. + - :class:`uuid.UUID` is serialized to a string. + - :class:`dataclasses.dataclass` is passed to + :func:`dataclasses.asdict`. + - :class:`~markupsafe.Markup` (or any object with a ``__html__`` + method) will call the ``__html__`` method to get a string. + """ + + default: t.Callable[[t.Any], t.Any] = staticmethod( + _default + ) # type: ignore[assignment] + """Apply this function to any object that :meth:`json.dumps` does + not know how to serialize. It should return a valid JSON type or + raise a ``TypeError``. + """ + + ensure_ascii = True + """Replace non-ASCII characters with escape sequences. This may be + more compatible with some clients, but can be disabled for better + performance and size. + """ + + sort_keys = True + """Sort the keys in any serialized dicts. This may be useful for + some caching situations, but can be disabled for better performance. + When enabled, keys must all be strings, they are not converted + before sorting. + """ + + compact: bool | None = None + """If ``True``, or ``None`` out of debug mode, the :meth:`response` + output will not add indentation, newlines, or spaces. If ``False``, + or ``None`` in debug mode, it will use a non-compact representation. + """ + + mimetype = "application/json" + """The mimetype set in :meth:`response`.""" + + def dumps(self, obj: t.Any, **kwargs: t.Any) -> str: + """Serialize data as JSON to a string. + + Keyword arguments are passed to :func:`json.dumps`. Sets some + parameter defaults from the :attr:`default`, + :attr:`ensure_ascii`, and :attr:`sort_keys` attributes. + + :param obj: The data to serialize. + :param kwargs: Passed to :func:`json.dumps`. + """ + kwargs.setdefault("default", self.default) + kwargs.setdefault("ensure_ascii", self.ensure_ascii) + kwargs.setdefault("sort_keys", self.sort_keys) + return json.dumps(obj, **kwargs) + + def loads(self, s: str | bytes, **kwargs: t.Any) -> t.Any: + """Deserialize data as JSON from a string or bytes. + + :param s: Text or UTF-8 bytes. + :param kwargs: Passed to :func:`json.loads`. + """ + return json.loads(s, **kwargs) + + def response(self, *args: t.Any, **kwargs: t.Any) -> Response: + """Serialize the given arguments as JSON, and return a + :class:`~flask.Response` object with it. The response mimetype + will be "application/json" and can be changed with + :attr:`mimetype`. + + If :attr:`compact` is ``False`` or debug mode is enabled, the + output will be formatted to be easier to read. + + Either positional or keyword arguments can be given, not both. + If no arguments are given, ``None`` is serialized. + + :param args: A single value to serialize, or multiple values to + treat as a list to serialize. + :param kwargs: Treat as a dict to serialize. + """ + obj = self._prepare_response_obj(args, kwargs) + dump_args: dict[str, t.Any] = {} + + if (self.compact is None and self._app.debug) or self.compact is False: + dump_args.setdefault("indent", 2) + else: + dump_args.setdefault("separators", (",", ":")) + + return self._app.response_class( + f"{self.dumps(obj, **dump_args)}\n", mimetype=self.mimetype + ) diff --git a/venv/lib/python3.12/site-packages/flask/json/tag.py b/venv/lib/python3.12/site-packages/flask/json/tag.py new file mode 100644 index 0000000..91cc441 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/json/tag.py @@ -0,0 +1,314 @@ +""" +Tagged JSON +~~~~~~~~~~~ + +A compact representation for lossless serialization of non-standard JSON +types. :class:`~flask.sessions.SecureCookieSessionInterface` uses this +to serialize the session data, but it may be useful in other places. It +can be extended to support other types. + +.. autoclass:: TaggedJSONSerializer + :members: + +.. autoclass:: JSONTag + :members: + +Let's see an example that adds support for +:class:`~collections.OrderedDict`. Dicts don't have an order in JSON, so +to handle this we will dump the items as a list of ``[key, value]`` +pairs. Subclass :class:`JSONTag` and give it the new key ``' od'`` to +identify the type. The session serializer processes dicts first, so +insert the new tag at the front of the order since ``OrderedDict`` must +be processed before ``dict``. + +.. code-block:: python + + from flask.json.tag import JSONTag + + class TagOrderedDict(JSONTag): + __slots__ = ('serializer',) + key = ' od' + + def check(self, value): + return isinstance(value, OrderedDict) + + def to_json(self, value): + return [[k, self.serializer.tag(v)] for k, v in iteritems(value)] + + def to_python(self, value): + return OrderedDict(value) + + app.session_interface.serializer.register(TagOrderedDict, index=0) +""" +from __future__ import annotations + +import typing as t +from base64 import b64decode +from base64 import b64encode +from datetime import datetime +from uuid import UUID + +from markupsafe import Markup +from werkzeug.http import http_date +from werkzeug.http import parse_date + +from ..json import dumps +from ..json import loads + + +class JSONTag: + """Base class for defining type tags for :class:`TaggedJSONSerializer`.""" + + __slots__ = ("serializer",) + + #: The tag to mark the serialized object with. If ``None``, this tag is + #: only used as an intermediate step during tagging. + key: str | None = None + + def __init__(self, serializer: TaggedJSONSerializer) -> None: + """Create a tagger for the given serializer.""" + self.serializer = serializer + + def check(self, value: t.Any) -> bool: + """Check if the given value should be tagged by this tag.""" + raise NotImplementedError + + def to_json(self, value: t.Any) -> t.Any: + """Convert the Python object to an object that is a valid JSON type. + The tag will be added later.""" + raise NotImplementedError + + def to_python(self, value: t.Any) -> t.Any: + """Convert the JSON representation back to the correct type. The tag + will already be removed.""" + raise NotImplementedError + + def tag(self, value: t.Any) -> t.Any: + """Convert the value to a valid JSON type and add the tag structure + around it.""" + return {self.key: self.to_json(value)} + + +class TagDict(JSONTag): + """Tag for 1-item dicts whose only key matches a registered tag. + + Internally, the dict key is suffixed with `__`, and the suffix is removed + when deserializing. + """ + + __slots__ = () + key = " di" + + def check(self, value: t.Any) -> bool: + return ( + isinstance(value, dict) + and len(value) == 1 + and next(iter(value)) in self.serializer.tags + ) + + def to_json(self, value: t.Any) -> t.Any: + key = next(iter(value)) + return {f"{key}__": self.serializer.tag(value[key])} + + def to_python(self, value: t.Any) -> t.Any: + key = next(iter(value)) + return {key[:-2]: value[key]} + + +class PassDict(JSONTag): + __slots__ = () + + def check(self, value: t.Any) -> bool: + return isinstance(value, dict) + + def to_json(self, value: t.Any) -> t.Any: + # JSON objects may only have string keys, so don't bother tagging the + # key here. + return {k: self.serializer.tag(v) for k, v in value.items()} + + tag = to_json + + +class TagTuple(JSONTag): + __slots__ = () + key = " t" + + def check(self, value: t.Any) -> bool: + return isinstance(value, tuple) + + def to_json(self, value: t.Any) -> t.Any: + return [self.serializer.tag(item) for item in value] + + def to_python(self, value: t.Any) -> t.Any: + return tuple(value) + + +class PassList(JSONTag): + __slots__ = () + + def check(self, value: t.Any) -> bool: + return isinstance(value, list) + + def to_json(self, value: t.Any) -> t.Any: + return [self.serializer.tag(item) for item in value] + + tag = to_json + + +class TagBytes(JSONTag): + __slots__ = () + key = " b" + + def check(self, value: t.Any) -> bool: + return isinstance(value, bytes) + + def to_json(self, value: t.Any) -> t.Any: + return b64encode(value).decode("ascii") + + def to_python(self, value: t.Any) -> t.Any: + return b64decode(value) + + +class TagMarkup(JSONTag): + """Serialize anything matching the :class:`~markupsafe.Markup` API by + having a ``__html__`` method to the result of that method. Always + deserializes to an instance of :class:`~markupsafe.Markup`.""" + + __slots__ = () + key = " m" + + def check(self, value: t.Any) -> bool: + return callable(getattr(value, "__html__", None)) + + def to_json(self, value: t.Any) -> t.Any: + return str(value.__html__()) + + def to_python(self, value: t.Any) -> t.Any: + return Markup(value) + + +class TagUUID(JSONTag): + __slots__ = () + key = " u" + + def check(self, value: t.Any) -> bool: + return isinstance(value, UUID) + + def to_json(self, value: t.Any) -> t.Any: + return value.hex + + def to_python(self, value: t.Any) -> t.Any: + return UUID(value) + + +class TagDateTime(JSONTag): + __slots__ = () + key = " d" + + def check(self, value: t.Any) -> bool: + return isinstance(value, datetime) + + def to_json(self, value: t.Any) -> t.Any: + return http_date(value) + + def to_python(self, value: t.Any) -> t.Any: + return parse_date(value) + + +class TaggedJSONSerializer: + """Serializer that uses a tag system to compactly represent objects that + are not JSON types. Passed as the intermediate serializer to + :class:`itsdangerous.Serializer`. + + The following extra types are supported: + + * :class:`dict` + * :class:`tuple` + * :class:`bytes` + * :class:`~markupsafe.Markup` + * :class:`~uuid.UUID` + * :class:`~datetime.datetime` + """ + + __slots__ = ("tags", "order") + + #: Tag classes to bind when creating the serializer. Other tags can be + #: added later using :meth:`~register`. + default_tags = [ + TagDict, + PassDict, + TagTuple, + PassList, + TagBytes, + TagMarkup, + TagUUID, + TagDateTime, + ] + + def __init__(self) -> None: + self.tags: dict[str, JSONTag] = {} + self.order: list[JSONTag] = [] + + for cls in self.default_tags: + self.register(cls) + + def register( + self, + tag_class: type[JSONTag], + force: bool = False, + index: int | None = None, + ) -> None: + """Register a new tag with this serializer. + + :param tag_class: tag class to register. Will be instantiated with this + serializer instance. + :param force: overwrite an existing tag. If false (default), a + :exc:`KeyError` is raised. + :param index: index to insert the new tag in the tag order. Useful when + the new tag is a special case of an existing tag. If ``None`` + (default), the tag is appended to the end of the order. + + :raise KeyError: if the tag key is already registered and ``force`` is + not true. + """ + tag = tag_class(self) + key = tag.key + + if key is not None: + if not force and key in self.tags: + raise KeyError(f"Tag '{key}' is already registered.") + + self.tags[key] = tag + + if index is None: + self.order.append(tag) + else: + self.order.insert(index, tag) + + def tag(self, value: t.Any) -> dict[str, t.Any]: + """Convert a value to a tagged representation if necessary.""" + for tag in self.order: + if tag.check(value): + return tag.tag(value) + + return value + + def untag(self, value: dict[str, t.Any]) -> t.Any: + """Convert a tagged representation back to the original type.""" + if len(value) != 1: + return value + + key = next(iter(value)) + + if key not in self.tags: + return value + + return self.tags[key].to_python(value[key]) + + def dumps(self, value: t.Any) -> str: + """Tag the value and dump it to a compact JSON string.""" + return dumps(self.tag(value), separators=(",", ":")) + + def loads(self, value: str) -> t.Any: + """Load data from a JSON string and deserialized any tagged objects.""" + return loads(value, object_hook=self.untag) diff --git a/venv/lib/python3.12/site-packages/flask/logging.py b/venv/lib/python3.12/site-packages/flask/logging.py new file mode 100644 index 0000000..99f6be8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/logging.py @@ -0,0 +1,76 @@ +from __future__ import annotations + +import logging +import sys +import typing as t + +from werkzeug.local import LocalProxy + +from .globals import request + +if t.TYPE_CHECKING: # pragma: no cover + from .app import Flask + + +@LocalProxy +def wsgi_errors_stream() -> t.TextIO: + """Find the most appropriate error stream for the application. If a request + is active, log to ``wsgi.errors``, otherwise use ``sys.stderr``. + + If you configure your own :class:`logging.StreamHandler`, you may want to + use this for the stream. If you are using file or dict configuration and + can't import this directly, you can refer to it as + ``ext://flask.logging.wsgi_errors_stream``. + """ + return request.environ["wsgi.errors"] if request else sys.stderr + + +def has_level_handler(logger: logging.Logger) -> bool: + """Check if there is a handler in the logging chain that will handle the + given logger's :meth:`effective level <~logging.Logger.getEffectiveLevel>`. + """ + level = logger.getEffectiveLevel() + current = logger + + while current: + if any(handler.level <= level for handler in current.handlers): + return True + + if not current.propagate: + break + + current = current.parent # type: ignore + + return False + + +#: Log messages to :func:`~flask.logging.wsgi_errors_stream` with the format +#: ``[%(asctime)s] %(levelname)s in %(module)s: %(message)s``. +default_handler = logging.StreamHandler(wsgi_errors_stream) # type: ignore +default_handler.setFormatter( + logging.Formatter("[%(asctime)s] %(levelname)s in %(module)s: %(message)s") +) + + +def create_logger(app: Flask) -> logging.Logger: + """Get the Flask app's logger and configure it if needed. + + The logger name will be the same as + :attr:`app.import_name `. + + When :attr:`~flask.Flask.debug` is enabled, set the logger level to + :data:`logging.DEBUG` if it is not set. + + If there is no handler for the logger's effective level, add a + :class:`~logging.StreamHandler` for + :func:`~flask.logging.wsgi_errors_stream` with a basic format. + """ + logger = logging.getLogger(app.name) + + if app.debug and not logger.level: + logger.setLevel(logging.DEBUG) + + if not has_level_handler(logger): + logger.addHandler(default_handler) + + return logger diff --git a/venv/lib/python3.12/site-packages/flask/py.typed b/venv/lib/python3.12/site-packages/flask/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/flask/scaffold.py b/venv/lib/python3.12/site-packages/flask/scaffold.py new file mode 100644 index 0000000..d15b873 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/scaffold.py @@ -0,0 +1,873 @@ +from __future__ import annotations + +import importlib.util +import os +import pathlib +import sys +import typing as t +from collections import defaultdict +from datetime import timedelta +from functools import update_wrapper + +from jinja2 import FileSystemLoader +from werkzeug.exceptions import default_exceptions +from werkzeug.exceptions import HTTPException +from werkzeug.utils import cached_property + +from . import typing as ft +from .cli import AppGroup +from .globals import current_app +from .helpers import get_root_path +from .helpers import send_from_directory +from .templating import _default_template_ctx_processor + +if t.TYPE_CHECKING: # pragma: no cover + from .wrappers import Response + +# a singleton sentinel value for parameter defaults +_sentinel = object() + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) +T_after_request = t.TypeVar("T_after_request", bound=ft.AfterRequestCallable) +T_before_request = t.TypeVar("T_before_request", bound=ft.BeforeRequestCallable) +T_error_handler = t.TypeVar("T_error_handler", bound=ft.ErrorHandlerCallable) +T_teardown = t.TypeVar("T_teardown", bound=ft.TeardownCallable) +T_template_context_processor = t.TypeVar( + "T_template_context_processor", bound=ft.TemplateContextProcessorCallable +) +T_url_defaults = t.TypeVar("T_url_defaults", bound=ft.URLDefaultCallable) +T_url_value_preprocessor = t.TypeVar( + "T_url_value_preprocessor", bound=ft.URLValuePreprocessorCallable +) +T_route = t.TypeVar("T_route", bound=ft.RouteCallable) + + +def setupmethod(f: F) -> F: + f_name = f.__name__ + + def wrapper_func(self, *args: t.Any, **kwargs: t.Any) -> t.Any: + self._check_setup_finished(f_name) + return f(self, *args, **kwargs) + + return t.cast(F, update_wrapper(wrapper_func, f)) + + +class Scaffold: + """Common behavior shared between :class:`~flask.Flask` and + :class:`~flask.blueprints.Blueprint`. + + :param import_name: The import name of the module where this object + is defined. Usually :attr:`__name__` should be used. + :param static_folder: Path to a folder of static files to serve. + If this is set, a static route will be added. + :param static_url_path: URL prefix for the static route. + :param template_folder: Path to a folder containing template files. + for rendering. If this is set, a Jinja loader will be added. + :param root_path: The path that static, template, and resource files + are relative to. Typically not set, it is discovered based on + the ``import_name``. + + .. versionadded:: 2.0 + """ + + name: str + _static_folder: str | None = None + _static_url_path: str | None = None + + def __init__( + self, + import_name: str, + static_folder: str | os.PathLike | None = None, + static_url_path: str | None = None, + template_folder: str | os.PathLike | None = None, + root_path: str | None = None, + ): + #: The name of the package or module that this object belongs + #: to. Do not change this once it is set by the constructor. + self.import_name = import_name + + self.static_folder = static_folder # type: ignore + self.static_url_path = static_url_path + + #: The path to the templates folder, relative to + #: :attr:`root_path`, to add to the template loader. ``None`` if + #: templates should not be added. + self.template_folder = template_folder + + if root_path is None: + root_path = get_root_path(self.import_name) + + #: Absolute path to the package on the filesystem. Used to look + #: up resources contained in the package. + self.root_path = root_path + + #: The Click command group for registering CLI commands for this + #: object. The commands are available from the ``flask`` command + #: once the application has been discovered and blueprints have + #: been registered. + self.cli = AppGroup() + + #: A dictionary mapping endpoint names to view functions. + #: + #: To register a view function, use the :meth:`route` decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.view_functions: dict[str, t.Callable] = {} + + #: A data structure of registered error handlers, in the format + #: ``{scope: {code: {class: handler}}}``. The ``scope`` key is + #: the name of a blueprint the handlers are active for, or + #: ``None`` for all requests. The ``code`` key is the HTTP + #: status code for ``HTTPException``, or ``None`` for + #: other exceptions. The innermost dictionary maps exception + #: classes to handler functions. + #: + #: To register an error handler, use the :meth:`errorhandler` + #: decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.error_handler_spec: dict[ + ft.AppOrBlueprintKey, + dict[int | None, dict[type[Exception], ft.ErrorHandlerCallable]], + ] = defaultdict(lambda: defaultdict(dict)) + + #: A data structure of functions to call at the beginning of + #: each request, in the format ``{scope: [functions]}``. The + #: ``scope`` key is the name of a blueprint the functions are + #: active for, or ``None`` for all requests. + #: + #: To register a function, use the :meth:`before_request` + #: decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.before_request_funcs: dict[ + ft.AppOrBlueprintKey, list[ft.BeforeRequestCallable] + ] = defaultdict(list) + + #: A data structure of functions to call at the end of each + #: request, in the format ``{scope: [functions]}``. The + #: ``scope`` key is the name of a blueprint the functions are + #: active for, or ``None`` for all requests. + #: + #: To register a function, use the :meth:`after_request` + #: decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.after_request_funcs: dict[ + ft.AppOrBlueprintKey, list[ft.AfterRequestCallable] + ] = defaultdict(list) + + #: A data structure of functions to call at the end of each + #: request even if an exception is raised, in the format + #: ``{scope: [functions]}``. The ``scope`` key is the name of a + #: blueprint the functions are active for, or ``None`` for all + #: requests. + #: + #: To register a function, use the :meth:`teardown_request` + #: decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.teardown_request_funcs: dict[ + ft.AppOrBlueprintKey, list[ft.TeardownCallable] + ] = defaultdict(list) + + #: A data structure of functions to call to pass extra context + #: values when rendering templates, in the format + #: ``{scope: [functions]}``. The ``scope`` key is the name of a + #: blueprint the functions are active for, or ``None`` for all + #: requests. + #: + #: To register a function, use the :meth:`context_processor` + #: decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.template_context_processors: dict[ + ft.AppOrBlueprintKey, list[ft.TemplateContextProcessorCallable] + ] = defaultdict(list, {None: [_default_template_ctx_processor]}) + + #: A data structure of functions to call to modify the keyword + #: arguments passed to the view function, in the format + #: ``{scope: [functions]}``. The ``scope`` key is the name of a + #: blueprint the functions are active for, or ``None`` for all + #: requests. + #: + #: To register a function, use the + #: :meth:`url_value_preprocessor` decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.url_value_preprocessors: dict[ + ft.AppOrBlueprintKey, + list[ft.URLValuePreprocessorCallable], + ] = defaultdict(list) + + #: A data structure of functions to call to modify the keyword + #: arguments when generating URLs, in the format + #: ``{scope: [functions]}``. The ``scope`` key is the name of a + #: blueprint the functions are active for, or ``None`` for all + #: requests. + #: + #: To register a function, use the :meth:`url_defaults` + #: decorator. + #: + #: This data structure is internal. It should not be modified + #: directly and its format may change at any time. + self.url_default_functions: dict[ + ft.AppOrBlueprintKey, list[ft.URLDefaultCallable] + ] = defaultdict(list) + + def __repr__(self) -> str: + return f"<{type(self).__name__} {self.name!r}>" + + def _check_setup_finished(self, f_name: str) -> None: + raise NotImplementedError + + @property + def static_folder(self) -> str | None: + """The absolute path to the configured static folder. ``None`` + if no static folder is set. + """ + if self._static_folder is not None: + return os.path.join(self.root_path, self._static_folder) + else: + return None + + @static_folder.setter + def static_folder(self, value: str | os.PathLike | None) -> None: + if value is not None: + value = os.fspath(value).rstrip(r"\/") + + self._static_folder = value + + @property + def has_static_folder(self) -> bool: + """``True`` if :attr:`static_folder` is set. + + .. versionadded:: 0.5 + """ + return self.static_folder is not None + + @property + def static_url_path(self) -> str | None: + """The URL prefix that the static route will be accessible from. + + If it was not configured during init, it is derived from + :attr:`static_folder`. + """ + if self._static_url_path is not None: + return self._static_url_path + + if self.static_folder is not None: + basename = os.path.basename(self.static_folder) + return f"/{basename}".rstrip("/") + + return None + + @static_url_path.setter + def static_url_path(self, value: str | None) -> None: + if value is not None: + value = value.rstrip("/") + + self._static_url_path = value + + def get_send_file_max_age(self, filename: str | None) -> int | None: + """Used by :func:`send_file` to determine the ``max_age`` cache + value for a given file path if it wasn't passed. + + By default, this returns :data:`SEND_FILE_MAX_AGE_DEFAULT` from + the configuration of :data:`~flask.current_app`. This defaults + to ``None``, which tells the browser to use conditional requests + instead of a timed cache, which is usually preferable. + + .. versionchanged:: 2.0 + The default configuration is ``None`` instead of 12 hours. + + .. versionadded:: 0.9 + """ + value = current_app.config["SEND_FILE_MAX_AGE_DEFAULT"] + + if value is None: + return None + + if isinstance(value, timedelta): + return int(value.total_seconds()) + + return value + + def send_static_file(self, filename: str) -> Response: + """The view function used to serve files from + :attr:`static_folder`. A route is automatically registered for + this view at :attr:`static_url_path` if :attr:`static_folder` is + set. + + .. versionadded:: 0.5 + """ + if not self.has_static_folder: + raise RuntimeError("'static_folder' must be set to serve static_files.") + + # send_file only knows to call get_send_file_max_age on the app, + # call it here so it works for blueprints too. + max_age = self.get_send_file_max_age(filename) + return send_from_directory( + t.cast(str, self.static_folder), filename, max_age=max_age + ) + + @cached_property + def jinja_loader(self) -> FileSystemLoader | None: + """The Jinja loader for this object's templates. By default this + is a class :class:`jinja2.loaders.FileSystemLoader` to + :attr:`template_folder` if it is set. + + .. versionadded:: 0.5 + """ + if self.template_folder is not None: + return FileSystemLoader(os.path.join(self.root_path, self.template_folder)) + else: + return None + + def open_resource(self, resource: str, mode: str = "rb") -> t.IO[t.AnyStr]: + """Open a resource file relative to :attr:`root_path` for + reading. + + For example, if the file ``schema.sql`` is next to the file + ``app.py`` where the ``Flask`` app is defined, it can be opened + with: + + .. code-block:: python + + with app.open_resource("schema.sql") as f: + conn.executescript(f.read()) + + :param resource: Path to the resource relative to + :attr:`root_path`. + :param mode: Open the file in this mode. Only reading is + supported, valid values are "r" (or "rt") and "rb". + """ + if mode not in {"r", "rt", "rb"}: + raise ValueError("Resources can only be opened for reading.") + + return open(os.path.join(self.root_path, resource), mode) + + def _method_route( + self, + method: str, + rule: str, + options: dict, + ) -> t.Callable[[T_route], T_route]: + if "methods" in options: + raise TypeError("Use the 'route' decorator to use the 'methods' argument.") + + return self.route(rule, methods=[method], **options) + + @setupmethod + def get(self, rule: str, **options: t.Any) -> t.Callable[[T_route], T_route]: + """Shortcut for :meth:`route` with ``methods=["GET"]``. + + .. versionadded:: 2.0 + """ + return self._method_route("GET", rule, options) + + @setupmethod + def post(self, rule: str, **options: t.Any) -> t.Callable[[T_route], T_route]: + """Shortcut for :meth:`route` with ``methods=["POST"]``. + + .. versionadded:: 2.0 + """ + return self._method_route("POST", rule, options) + + @setupmethod + def put(self, rule: str, **options: t.Any) -> t.Callable[[T_route], T_route]: + """Shortcut for :meth:`route` with ``methods=["PUT"]``. + + .. versionadded:: 2.0 + """ + return self._method_route("PUT", rule, options) + + @setupmethod + def delete(self, rule: str, **options: t.Any) -> t.Callable[[T_route], T_route]: + """Shortcut for :meth:`route` with ``methods=["DELETE"]``. + + .. versionadded:: 2.0 + """ + return self._method_route("DELETE", rule, options) + + @setupmethod + def patch(self, rule: str, **options: t.Any) -> t.Callable[[T_route], T_route]: + """Shortcut for :meth:`route` with ``methods=["PATCH"]``. + + .. versionadded:: 2.0 + """ + return self._method_route("PATCH", rule, options) + + @setupmethod + def route(self, rule: str, **options: t.Any) -> t.Callable[[T_route], T_route]: + """Decorate a view function to register it with the given URL + rule and options. Calls :meth:`add_url_rule`, which has more + details about the implementation. + + .. code-block:: python + + @app.route("/") + def index(): + return "Hello, World!" + + See :ref:`url-route-registrations`. + + The endpoint name for the route defaults to the name of the view + function if the ``endpoint`` parameter isn't passed. + + The ``methods`` parameter defaults to ``["GET"]``. ``HEAD`` and + ``OPTIONS`` are added automatically. + + :param rule: The URL rule string. + :param options: Extra options passed to the + :class:`~werkzeug.routing.Rule` object. + """ + + def decorator(f: T_route) -> T_route: + endpoint = options.pop("endpoint", None) + self.add_url_rule(rule, endpoint, f, **options) + return f + + return decorator + + @setupmethod + def add_url_rule( + self, + rule: str, + endpoint: str | None = None, + view_func: ft.RouteCallable | None = None, + provide_automatic_options: bool | None = None, + **options: t.Any, + ) -> None: + """Register a rule for routing incoming requests and building + URLs. The :meth:`route` decorator is a shortcut to call this + with the ``view_func`` argument. These are equivalent: + + .. code-block:: python + + @app.route("/") + def index(): + ... + + .. code-block:: python + + def index(): + ... + + app.add_url_rule("/", view_func=index) + + See :ref:`url-route-registrations`. + + The endpoint name for the route defaults to the name of the view + function if the ``endpoint`` parameter isn't passed. An error + will be raised if a function has already been registered for the + endpoint. + + The ``methods`` parameter defaults to ``["GET"]``. ``HEAD`` is + always added automatically, and ``OPTIONS`` is added + automatically by default. + + ``view_func`` does not necessarily need to be passed, but if the + rule should participate in routing an endpoint name must be + associated with a view function at some point with the + :meth:`endpoint` decorator. + + .. code-block:: python + + app.add_url_rule("/", endpoint="index") + + @app.endpoint("index") + def index(): + ... + + If ``view_func`` has a ``required_methods`` attribute, those + methods are added to the passed and automatic methods. If it + has a ``provide_automatic_methods`` attribute, it is used as the + default if the parameter is not passed. + + :param rule: The URL rule string. + :param endpoint: The endpoint name to associate with the rule + and view function. Used when routing and building URLs. + Defaults to ``view_func.__name__``. + :param view_func: The view function to associate with the + endpoint name. + :param provide_automatic_options: Add the ``OPTIONS`` method and + respond to ``OPTIONS`` requests automatically. + :param options: Extra options passed to the + :class:`~werkzeug.routing.Rule` object. + """ + raise NotImplementedError + + @setupmethod + def endpoint(self, endpoint: str) -> t.Callable[[F], F]: + """Decorate a view function to register it for the given + endpoint. Used if a rule is added without a ``view_func`` with + :meth:`add_url_rule`. + + .. code-block:: python + + app.add_url_rule("/ex", endpoint="example") + + @app.endpoint("example") + def example(): + ... + + :param endpoint: The endpoint name to associate with the view + function. + """ + + def decorator(f: F) -> F: + self.view_functions[endpoint] = f + return f + + return decorator + + @setupmethod + def before_request(self, f: T_before_request) -> T_before_request: + """Register a function to run before each request. + + For example, this can be used to open a database connection, or + to load the logged in user from the session. + + .. code-block:: python + + @app.before_request + def load_user(): + if "user_id" in session: + g.user = db.session.get(session["user_id"]) + + The function will be called without any arguments. If it returns + a non-``None`` value, the value is handled as if it was the + return value from the view, and further request handling is + stopped. + + This is available on both app and blueprint objects. When used on an app, this + executes before every request. When used on a blueprint, this executes before + every request that the blueprint handles. To register with a blueprint and + execute before every request, use :meth:`.Blueprint.before_app_request`. + """ + self.before_request_funcs.setdefault(None, []).append(f) + return f + + @setupmethod + def after_request(self, f: T_after_request) -> T_after_request: + """Register a function to run after each request to this object. + + The function is called with the response object, and must return + a response object. This allows the functions to modify or + replace the response before it is sent. + + If a function raises an exception, any remaining + ``after_request`` functions will not be called. Therefore, this + should not be used for actions that must execute, such as to + close resources. Use :meth:`teardown_request` for that. + + This is available on both app and blueprint objects. When used on an app, this + executes after every request. When used on a blueprint, this executes after + every request that the blueprint handles. To register with a blueprint and + execute after every request, use :meth:`.Blueprint.after_app_request`. + """ + self.after_request_funcs.setdefault(None, []).append(f) + return f + + @setupmethod + def teardown_request(self, f: T_teardown) -> T_teardown: + """Register a function to be called when the request context is + popped. Typically this happens at the end of each request, but + contexts may be pushed manually as well during testing. + + .. code-block:: python + + with app.test_request_context(): + ... + + When the ``with`` block exits (or ``ctx.pop()`` is called), the + teardown functions are called just before the request context is + made inactive. + + When a teardown function was called because of an unhandled + exception it will be passed an error object. If an + :meth:`errorhandler` is registered, it will handle the exception + and the teardown will not receive it. + + Teardown functions must avoid raising exceptions. If they + execute code that might fail they must surround that code with a + ``try``/``except`` block and log any errors. + + The return values of teardown functions are ignored. + + This is available on both app and blueprint objects. When used on an app, this + executes after every request. When used on a blueprint, this executes after + every request that the blueprint handles. To register with a blueprint and + execute after every request, use :meth:`.Blueprint.teardown_app_request`. + """ + self.teardown_request_funcs.setdefault(None, []).append(f) + return f + + @setupmethod + def context_processor( + self, + f: T_template_context_processor, + ) -> T_template_context_processor: + """Registers a template context processor function. These functions run before + rendering a template. The keys of the returned dict are added as variables + available in the template. + + This is available on both app and blueprint objects. When used on an app, this + is called for every rendered template. When used on a blueprint, this is called + for templates rendered from the blueprint's views. To register with a blueprint + and affect every template, use :meth:`.Blueprint.app_context_processor`. + """ + self.template_context_processors[None].append(f) + return f + + @setupmethod + def url_value_preprocessor( + self, + f: T_url_value_preprocessor, + ) -> T_url_value_preprocessor: + """Register a URL value preprocessor function for all view + functions in the application. These functions will be called before the + :meth:`before_request` functions. + + The function can modify the values captured from the matched url before + they are passed to the view. For example, this can be used to pop a + common language code value and place it in ``g`` rather than pass it to + every view. + + The function is passed the endpoint name and values dict. The return + value is ignored. + + This is available on both app and blueprint objects. When used on an app, this + is called for every request. When used on a blueprint, this is called for + requests that the blueprint handles. To register with a blueprint and affect + every request, use :meth:`.Blueprint.app_url_value_preprocessor`. + """ + self.url_value_preprocessors[None].append(f) + return f + + @setupmethod + def url_defaults(self, f: T_url_defaults) -> T_url_defaults: + """Callback function for URL defaults for all view functions of the + application. It's called with the endpoint and values and should + update the values passed in place. + + This is available on both app and blueprint objects. When used on an app, this + is called for every request. When used on a blueprint, this is called for + requests that the blueprint handles. To register with a blueprint and affect + every request, use :meth:`.Blueprint.app_url_defaults`. + """ + self.url_default_functions[None].append(f) + return f + + @setupmethod + def errorhandler( + self, code_or_exception: type[Exception] | int + ) -> t.Callable[[T_error_handler], T_error_handler]: + """Register a function to handle errors by code or exception class. + + A decorator that is used to register a function given an + error code. Example:: + + @app.errorhandler(404) + def page_not_found(error): + return 'This page does not exist', 404 + + You can also register handlers for arbitrary exceptions:: + + @app.errorhandler(DatabaseError) + def special_exception_handler(error): + return 'Database connection failed', 500 + + This is available on both app and blueprint objects. When used on an app, this + can handle errors from every request. When used on a blueprint, this can handle + errors from requests that the blueprint handles. To register with a blueprint + and affect every request, use :meth:`.Blueprint.app_errorhandler`. + + .. versionadded:: 0.7 + Use :meth:`register_error_handler` instead of modifying + :attr:`error_handler_spec` directly, for application wide error + handlers. + + .. versionadded:: 0.7 + One can now additionally also register custom exception types + that do not necessarily have to be a subclass of the + :class:`~werkzeug.exceptions.HTTPException` class. + + :param code_or_exception: the code as integer for the handler, or + an arbitrary exception + """ + + def decorator(f: T_error_handler) -> T_error_handler: + self.register_error_handler(code_or_exception, f) + return f + + return decorator + + @setupmethod + def register_error_handler( + self, + code_or_exception: type[Exception] | int, + f: ft.ErrorHandlerCallable, + ) -> None: + """Alternative error attach function to the :meth:`errorhandler` + decorator that is more straightforward to use for non decorator + usage. + + .. versionadded:: 0.7 + """ + exc_class, code = self._get_exc_class_and_code(code_or_exception) + self.error_handler_spec[None][code][exc_class] = f + + @staticmethod + def _get_exc_class_and_code( + exc_class_or_code: type[Exception] | int, + ) -> tuple[type[Exception], int | None]: + """Get the exception class being handled. For HTTP status codes + or ``HTTPException`` subclasses, return both the exception and + status code. + + :param exc_class_or_code: Any exception class, or an HTTP status + code as an integer. + """ + exc_class: type[Exception] + + if isinstance(exc_class_or_code, int): + try: + exc_class = default_exceptions[exc_class_or_code] + except KeyError: + raise ValueError( + f"'{exc_class_or_code}' is not a recognized HTTP" + " error code. Use a subclass of HTTPException with" + " that code instead." + ) from None + else: + exc_class = exc_class_or_code + + if isinstance(exc_class, Exception): + raise TypeError( + f"{exc_class!r} is an instance, not a class. Handlers" + " can only be registered for Exception classes or HTTP" + " error codes." + ) + + if not issubclass(exc_class, Exception): + raise ValueError( + f"'{exc_class.__name__}' is not a subclass of Exception." + " Handlers can only be registered for Exception classes" + " or HTTP error codes." + ) + + if issubclass(exc_class, HTTPException): + return exc_class, exc_class.code + else: + return exc_class, None + + +def _endpoint_from_view_func(view_func: t.Callable) -> str: + """Internal helper that returns the default endpoint for a given + function. This always is the function name. + """ + assert view_func is not None, "expected view func if endpoint is not provided." + return view_func.__name__ + + +def _path_is_relative_to(path: pathlib.PurePath, base: str) -> bool: + # Path.is_relative_to doesn't exist until Python 3.9 + try: + path.relative_to(base) + return True + except ValueError: + return False + + +def _find_package_path(import_name): + """Find the path that contains the package or module.""" + root_mod_name, _, _ = import_name.partition(".") + + try: + root_spec = importlib.util.find_spec(root_mod_name) + + if root_spec is None: + raise ValueError("not found") + except (ImportError, ValueError): + # ImportError: the machinery told us it does not exist + # ValueError: + # - the module name was invalid + # - the module name is __main__ + # - we raised `ValueError` due to `root_spec` being `None` + return os.getcwd() + + if root_spec.origin in {"namespace", None}: + # namespace package + package_spec = importlib.util.find_spec(import_name) + + if package_spec is not None and package_spec.submodule_search_locations: + # Pick the path in the namespace that contains the submodule. + package_path = pathlib.Path( + os.path.commonpath(package_spec.submodule_search_locations) + ) + search_location = next( + location + for location in root_spec.submodule_search_locations + if _path_is_relative_to(package_path, location) + ) + else: + # Pick the first path. + search_location = root_spec.submodule_search_locations[0] + + return os.path.dirname(search_location) + elif root_spec.submodule_search_locations: + # package with __init__.py + return os.path.dirname(os.path.dirname(root_spec.origin)) + else: + # module + return os.path.dirname(root_spec.origin) + + +def find_package(import_name: str): + """Find the prefix that a package is installed under, and the path + that it would be imported from. + + The prefix is the directory containing the standard directory + hierarchy (lib, bin, etc.). If the package is not installed to the + system (:attr:`sys.prefix`) or a virtualenv (``site-packages``), + ``None`` is returned. + + The path is the entry in :attr:`sys.path` that contains the package + for import. If the package is not installed, it's assumed that the + package was imported from the current working directory. + """ + package_path = _find_package_path(import_name) + py_prefix = os.path.abspath(sys.prefix) + + # installed to the system + if _path_is_relative_to(pathlib.PurePath(package_path), py_prefix): + return py_prefix, package_path + + site_parent, site_folder = os.path.split(package_path) + + # installed to a virtualenv + if site_folder.lower() == "site-packages": + parent, folder = os.path.split(site_parent) + + # Windows (prefix/lib/site-packages) + if folder.lower() == "lib": + return parent, package_path + + # Unix (prefix/lib/pythonX.Y/site-packages) + if os.path.basename(parent).lower() == "lib": + return os.path.dirname(parent), package_path + + # something else (prefix/site-packages) + return site_parent, package_path + + # not installed + return None, package_path diff --git a/venv/lib/python3.12/site-packages/flask/sessions.py b/venv/lib/python3.12/site-packages/flask/sessions.py new file mode 100644 index 0000000..e5650d6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/sessions.py @@ -0,0 +1,367 @@ +from __future__ import annotations + +import hashlib +import typing as t +from collections.abc import MutableMapping +from datetime import datetime +from datetime import timezone + +from itsdangerous import BadSignature +from itsdangerous import URLSafeTimedSerializer +from werkzeug.datastructures import CallbackDict + +from .json.tag import TaggedJSONSerializer + +if t.TYPE_CHECKING: # pragma: no cover + from .app import Flask + from .wrappers import Request, Response + + +class SessionMixin(MutableMapping): + """Expands a basic dictionary with session attributes.""" + + @property + def permanent(self) -> bool: + """This reflects the ``'_permanent'`` key in the dict.""" + return self.get("_permanent", False) + + @permanent.setter + def permanent(self, value: bool) -> None: + self["_permanent"] = bool(value) + + #: Some implementations can detect whether a session is newly + #: created, but that is not guaranteed. Use with caution. The mixin + # default is hard-coded ``False``. + new = False + + #: Some implementations can detect changes to the session and set + #: this when that happens. The mixin default is hard coded to + #: ``True``. + modified = True + + #: Some implementations can detect when session data is read or + #: written and set this when that happens. The mixin default is hard + #: coded to ``True``. + accessed = True + + +class SecureCookieSession(CallbackDict, SessionMixin): + """Base class for sessions based on signed cookies. + + This session backend will set the :attr:`modified` and + :attr:`accessed` attributes. It cannot reliably track whether a + session is new (vs. empty), so :attr:`new` remains hard coded to + ``False``. + """ + + #: When data is changed, this is set to ``True``. Only the session + #: dictionary itself is tracked; if the session contains mutable + #: data (for example a nested dict) then this must be set to + #: ``True`` manually when modifying that data. The session cookie + #: will only be written to the response if this is ``True``. + modified = False + + #: When data is read or written, this is set to ``True``. Used by + # :class:`.SecureCookieSessionInterface` to add a ``Vary: Cookie`` + #: header, which allows caching proxies to cache different pages for + #: different users. + accessed = False + + def __init__(self, initial: t.Any = None) -> None: + def on_update(self) -> None: + self.modified = True + self.accessed = True + + super().__init__(initial, on_update) + + def __getitem__(self, key: str) -> t.Any: + self.accessed = True + return super().__getitem__(key) + + def get(self, key: str, default: t.Any = None) -> t.Any: + self.accessed = True + return super().get(key, default) + + def setdefault(self, key: str, default: t.Any = None) -> t.Any: + self.accessed = True + return super().setdefault(key, default) + + +class NullSession(SecureCookieSession): + """Class used to generate nicer error messages if sessions are not + available. Will still allow read-only access to the empty session + but fail on setting. + """ + + def _fail(self, *args: t.Any, **kwargs: t.Any) -> t.NoReturn: + raise RuntimeError( + "The session is unavailable because no secret " + "key was set. Set the secret_key on the " + "application to something unique and secret." + ) + + __setitem__ = __delitem__ = clear = pop = popitem = update = setdefault = _fail # type: ignore # noqa: B950 + del _fail + + +class SessionInterface: + """The basic interface you have to implement in order to replace the + default session interface which uses werkzeug's securecookie + implementation. The only methods you have to implement are + :meth:`open_session` and :meth:`save_session`, the others have + useful defaults which you don't need to change. + + The session object returned by the :meth:`open_session` method has to + provide a dictionary like interface plus the properties and methods + from the :class:`SessionMixin`. We recommend just subclassing a dict + and adding that mixin:: + + class Session(dict, SessionMixin): + pass + + If :meth:`open_session` returns ``None`` Flask will call into + :meth:`make_null_session` to create a session that acts as replacement + if the session support cannot work because some requirement is not + fulfilled. The default :class:`NullSession` class that is created + will complain that the secret key was not set. + + To replace the session interface on an application all you have to do + is to assign :attr:`flask.Flask.session_interface`:: + + app = Flask(__name__) + app.session_interface = MySessionInterface() + + Multiple requests with the same session may be sent and handled + concurrently. When implementing a new session interface, consider + whether reads or writes to the backing store must be synchronized. + There is no guarantee on the order in which the session for each + request is opened or saved, it will occur in the order that requests + begin and end processing. + + .. versionadded:: 0.8 + """ + + #: :meth:`make_null_session` will look here for the class that should + #: be created when a null session is requested. Likewise the + #: :meth:`is_null_session` method will perform a typecheck against + #: this type. + null_session_class = NullSession + + #: A flag that indicates if the session interface is pickle based. + #: This can be used by Flask extensions to make a decision in regards + #: to how to deal with the session object. + #: + #: .. versionadded:: 0.10 + pickle_based = False + + def make_null_session(self, app: Flask) -> NullSession: + """Creates a null session which acts as a replacement object if the + real session support could not be loaded due to a configuration + error. This mainly aids the user experience because the job of the + null session is to still support lookup without complaining but + modifications are answered with a helpful error message of what + failed. + + This creates an instance of :attr:`null_session_class` by default. + """ + return self.null_session_class() + + def is_null_session(self, obj: object) -> bool: + """Checks if a given object is a null session. Null sessions are + not asked to be saved. + + This checks if the object is an instance of :attr:`null_session_class` + by default. + """ + return isinstance(obj, self.null_session_class) + + def get_cookie_name(self, app: Flask) -> str: + """The name of the session cookie. Uses``app.config["SESSION_COOKIE_NAME"]``.""" + return app.config["SESSION_COOKIE_NAME"] + + def get_cookie_domain(self, app: Flask) -> str | None: + """The value of the ``Domain`` parameter on the session cookie. If not set, + browsers will only send the cookie to the exact domain it was set from. + Otherwise, they will send it to any subdomain of the given value as well. + + Uses the :data:`SESSION_COOKIE_DOMAIN` config. + + .. versionchanged:: 2.3 + Not set by default, does not fall back to ``SERVER_NAME``. + """ + rv = app.config["SESSION_COOKIE_DOMAIN"] + return rv if rv else None + + def get_cookie_path(self, app: Flask) -> str: + """Returns the path for which the cookie should be valid. The + default implementation uses the value from the ``SESSION_COOKIE_PATH`` + config var if it's set, and falls back to ``APPLICATION_ROOT`` or + uses ``/`` if it's ``None``. + """ + return app.config["SESSION_COOKIE_PATH"] or app.config["APPLICATION_ROOT"] + + def get_cookie_httponly(self, app: Flask) -> bool: + """Returns True if the session cookie should be httponly. This + currently just returns the value of the ``SESSION_COOKIE_HTTPONLY`` + config var. + """ + return app.config["SESSION_COOKIE_HTTPONLY"] + + def get_cookie_secure(self, app: Flask) -> bool: + """Returns True if the cookie should be secure. This currently + just returns the value of the ``SESSION_COOKIE_SECURE`` setting. + """ + return app.config["SESSION_COOKIE_SECURE"] + + def get_cookie_samesite(self, app: Flask) -> str: + """Return ``'Strict'`` or ``'Lax'`` if the cookie should use the + ``SameSite`` attribute. This currently just returns the value of + the :data:`SESSION_COOKIE_SAMESITE` setting. + """ + return app.config["SESSION_COOKIE_SAMESITE"] + + def get_expiration_time(self, app: Flask, session: SessionMixin) -> datetime | None: + """A helper method that returns an expiration date for the session + or ``None`` if the session is linked to the browser session. The + default implementation returns now + the permanent session + lifetime configured on the application. + """ + if session.permanent: + return datetime.now(timezone.utc) + app.permanent_session_lifetime + return None + + def should_set_cookie(self, app: Flask, session: SessionMixin) -> bool: + """Used by session backends to determine if a ``Set-Cookie`` header + should be set for this session cookie for this response. If the session + has been modified, the cookie is set. If the session is permanent and + the ``SESSION_REFRESH_EACH_REQUEST`` config is true, the cookie is + always set. + + This check is usually skipped if the session was deleted. + + .. versionadded:: 0.11 + """ + + return session.modified or ( + session.permanent and app.config["SESSION_REFRESH_EACH_REQUEST"] + ) + + def open_session(self, app: Flask, request: Request) -> SessionMixin | None: + """This is called at the beginning of each request, after + pushing the request context, before matching the URL. + + This must return an object which implements a dictionary-like + interface as well as the :class:`SessionMixin` interface. + + This will return ``None`` to indicate that loading failed in + some way that is not immediately an error. The request + context will fall back to using :meth:`make_null_session` + in this case. + """ + raise NotImplementedError() + + def save_session( + self, app: Flask, session: SessionMixin, response: Response + ) -> None: + """This is called at the end of each request, after generating + a response, before removing the request context. It is skipped + if :meth:`is_null_session` returns ``True``. + """ + raise NotImplementedError() + + +session_json_serializer = TaggedJSONSerializer() + + +class SecureCookieSessionInterface(SessionInterface): + """The default session interface that stores sessions in signed cookies + through the :mod:`itsdangerous` module. + """ + + #: the salt that should be applied on top of the secret key for the + #: signing of cookie based sessions. + salt = "cookie-session" + #: the hash function to use for the signature. The default is sha1 + digest_method = staticmethod(hashlib.sha1) + #: the name of the itsdangerous supported key derivation. The default + #: is hmac. + key_derivation = "hmac" + #: A python serializer for the payload. The default is a compact + #: JSON derived serializer with support for some extra Python types + #: such as datetime objects or tuples. + serializer = session_json_serializer + session_class = SecureCookieSession + + def get_signing_serializer(self, app: Flask) -> URLSafeTimedSerializer | None: + if not app.secret_key: + return None + signer_kwargs = dict( + key_derivation=self.key_derivation, digest_method=self.digest_method + ) + return URLSafeTimedSerializer( + app.secret_key, + salt=self.salt, + serializer=self.serializer, + signer_kwargs=signer_kwargs, + ) + + def open_session(self, app: Flask, request: Request) -> SecureCookieSession | None: + s = self.get_signing_serializer(app) + if s is None: + return None + val = request.cookies.get(self.get_cookie_name(app)) + if not val: + return self.session_class() + max_age = int(app.permanent_session_lifetime.total_seconds()) + try: + data = s.loads(val, max_age=max_age) + return self.session_class(data) + except BadSignature: + return self.session_class() + + def save_session( + self, app: Flask, session: SessionMixin, response: Response + ) -> None: + name = self.get_cookie_name(app) + domain = self.get_cookie_domain(app) + path = self.get_cookie_path(app) + secure = self.get_cookie_secure(app) + samesite = self.get_cookie_samesite(app) + httponly = self.get_cookie_httponly(app) + + # Add a "Vary: Cookie" header if the session was accessed at all. + if session.accessed: + response.vary.add("Cookie") + + # If the session is modified to be empty, remove the cookie. + # If the session is empty, return without setting the cookie. + if not session: + if session.modified: + response.delete_cookie( + name, + domain=domain, + path=path, + secure=secure, + samesite=samesite, + httponly=httponly, + ) + response.vary.add("Cookie") + + return + + if not self.should_set_cookie(app, session): + return + + expires = self.get_expiration_time(app, session) + val = self.get_signing_serializer(app).dumps(dict(session)) # type: ignore + response.set_cookie( + name, + val, # type: ignore + expires=expires, + httponly=httponly, + domain=domain, + path=path, + secure=secure, + samesite=samesite, + ) + response.vary.add("Cookie") diff --git a/venv/lib/python3.12/site-packages/flask/signals.py b/venv/lib/python3.12/site-packages/flask/signals.py new file mode 100644 index 0000000..d79f21f --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/signals.py @@ -0,0 +1,33 @@ +from __future__ import annotations + +import typing as t +import warnings + +from blinker import Namespace + +# This namespace is only for signals provided by Flask itself. +_signals = Namespace() + +template_rendered = _signals.signal("template-rendered") +before_render_template = _signals.signal("before-render-template") +request_started = _signals.signal("request-started") +request_finished = _signals.signal("request-finished") +request_tearing_down = _signals.signal("request-tearing-down") +got_request_exception = _signals.signal("got-request-exception") +appcontext_tearing_down = _signals.signal("appcontext-tearing-down") +appcontext_pushed = _signals.signal("appcontext-pushed") +appcontext_popped = _signals.signal("appcontext-popped") +message_flashed = _signals.signal("message-flashed") + + +def __getattr__(name: str) -> t.Any: + if name == "signals_available": + warnings.warn( + "The 'signals_available' attribute is deprecated and will be removed in" + " Flask 2.4. Signals are always available.", + DeprecationWarning, + stacklevel=2, + ) + return True + + raise AttributeError(name) diff --git a/venv/lib/python3.12/site-packages/flask/templating.py b/venv/lib/python3.12/site-packages/flask/templating.py new file mode 100644 index 0000000..769108f --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/templating.py @@ -0,0 +1,220 @@ +from __future__ import annotations + +import typing as t + +from jinja2 import BaseLoader +from jinja2 import Environment as BaseEnvironment +from jinja2 import Template +from jinja2 import TemplateNotFound + +from .globals import _cv_app +from .globals import _cv_request +from .globals import current_app +from .globals import request +from .helpers import stream_with_context +from .signals import before_render_template +from .signals import template_rendered + +if t.TYPE_CHECKING: # pragma: no cover + from .app import Flask + from .scaffold import Scaffold + + +def _default_template_ctx_processor() -> dict[str, t.Any]: + """Default template context processor. Injects `request`, + `session` and `g`. + """ + appctx = _cv_app.get(None) + reqctx = _cv_request.get(None) + rv: dict[str, t.Any] = {} + if appctx is not None: + rv["g"] = appctx.g + if reqctx is not None: + rv["request"] = reqctx.request + rv["session"] = reqctx.session + return rv + + +class Environment(BaseEnvironment): + """Works like a regular Jinja2 environment but has some additional + knowledge of how Flask's blueprint works so that it can prepend the + name of the blueprint to referenced templates if necessary. + """ + + def __init__(self, app: Flask, **options: t.Any) -> None: + if "loader" not in options: + options["loader"] = app.create_global_jinja_loader() + BaseEnvironment.__init__(self, **options) + self.app = app + + +class DispatchingJinjaLoader(BaseLoader): + """A loader that looks for templates in the application and all + the blueprint folders. + """ + + def __init__(self, app: Flask) -> None: + self.app = app + + def get_source( # type: ignore + self, environment: Environment, template: str + ) -> tuple[str, str | None, t.Callable | None]: + if self.app.config["EXPLAIN_TEMPLATE_LOADING"]: + return self._get_source_explained(environment, template) + return self._get_source_fast(environment, template) + + def _get_source_explained( + self, environment: Environment, template: str + ) -> tuple[str, str | None, t.Callable | None]: + attempts = [] + rv: tuple[str, str | None, t.Callable[[], bool] | None] | None + trv: None | (tuple[str, str | None, t.Callable[[], bool] | None]) = None + + for srcobj, loader in self._iter_loaders(template): + try: + rv = loader.get_source(environment, template) + if trv is None: + trv = rv + except TemplateNotFound: + rv = None + attempts.append((loader, srcobj, rv)) + + from .debughelpers import explain_template_loading_attempts + + explain_template_loading_attempts(self.app, template, attempts) + + if trv is not None: + return trv + raise TemplateNotFound(template) + + def _get_source_fast( + self, environment: Environment, template: str + ) -> tuple[str, str | None, t.Callable | None]: + for _srcobj, loader in self._iter_loaders(template): + try: + return loader.get_source(environment, template) + except TemplateNotFound: + continue + raise TemplateNotFound(template) + + def _iter_loaders( + self, template: str + ) -> t.Generator[tuple[Scaffold, BaseLoader], None, None]: + loader = self.app.jinja_loader + if loader is not None: + yield self.app, loader + + for blueprint in self.app.iter_blueprints(): + loader = blueprint.jinja_loader + if loader is not None: + yield blueprint, loader + + def list_templates(self) -> list[str]: + result = set() + loader = self.app.jinja_loader + if loader is not None: + result.update(loader.list_templates()) + + for blueprint in self.app.iter_blueprints(): + loader = blueprint.jinja_loader + if loader is not None: + for template in loader.list_templates(): + result.add(template) + + return list(result) + + +def _render(app: Flask, template: Template, context: dict[str, t.Any]) -> str: + app.update_template_context(context) + before_render_template.send( + app, _async_wrapper=app.ensure_sync, template=template, context=context + ) + rv = template.render(context) + template_rendered.send( + app, _async_wrapper=app.ensure_sync, template=template, context=context + ) + return rv + + +def render_template( + template_name_or_list: str | Template | list[str | Template], + **context: t.Any, +) -> str: + """Render a template by name with the given context. + + :param template_name_or_list: The name of the template to render. If + a list is given, the first name to exist will be rendered. + :param context: The variables to make available in the template. + """ + app = current_app._get_current_object() # type: ignore[attr-defined] + template = app.jinja_env.get_or_select_template(template_name_or_list) + return _render(app, template, context) + + +def render_template_string(source: str, **context: t.Any) -> str: + """Render a template from the given source string with the given + context. + + :param source: The source code of the template to render. + :param context: The variables to make available in the template. + """ + app = current_app._get_current_object() # type: ignore[attr-defined] + template = app.jinja_env.from_string(source) + return _render(app, template, context) + + +def _stream( + app: Flask, template: Template, context: dict[str, t.Any] +) -> t.Iterator[str]: + app.update_template_context(context) + before_render_template.send( + app, _async_wrapper=app.ensure_sync, template=template, context=context + ) + + def generate() -> t.Iterator[str]: + yield from template.generate(context) + template_rendered.send( + app, _async_wrapper=app.ensure_sync, template=template, context=context + ) + + rv = generate() + + # If a request context is active, keep it while generating. + if request: + rv = stream_with_context(rv) + + return rv + + +def stream_template( + template_name_or_list: str | Template | list[str | Template], + **context: t.Any, +) -> t.Iterator[str]: + """Render a template by name with the given context as a stream. + This returns an iterator of strings, which can be used as a + streaming response from a view. + + :param template_name_or_list: The name of the template to render. If + a list is given, the first name to exist will be rendered. + :param context: The variables to make available in the template. + + .. versionadded:: 2.2 + """ + app = current_app._get_current_object() # type: ignore[attr-defined] + template = app.jinja_env.get_or_select_template(template_name_or_list) + return _stream(app, template, context) + + +def stream_template_string(source: str, **context: t.Any) -> t.Iterator[str]: + """Render a template from the given source string with the given + context as a stream. This returns an iterator of strings, which can + be used as a streaming response from a view. + + :param source: The source code of the template to render. + :param context: The variables to make available in the template. + + .. versionadded:: 2.2 + """ + app = current_app._get_current_object() # type: ignore[attr-defined] + template = app.jinja_env.from_string(source) + return _stream(app, template, context) diff --git a/venv/lib/python3.12/site-packages/flask/testing.py b/venv/lib/python3.12/site-packages/flask/testing.py new file mode 100644 index 0000000..69aa785 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/testing.py @@ -0,0 +1,295 @@ +from __future__ import annotations + +import importlib.metadata +import typing as t +from contextlib import contextmanager +from contextlib import ExitStack +from copy import copy +from types import TracebackType +from urllib.parse import urlsplit + +import werkzeug.test +from click.testing import CliRunner +from werkzeug.test import Client +from werkzeug.wrappers import Request as BaseRequest + +from .cli import ScriptInfo +from .sessions import SessionMixin + +if t.TYPE_CHECKING: # pragma: no cover + from werkzeug.test import TestResponse + + from .app import Flask + + +class EnvironBuilder(werkzeug.test.EnvironBuilder): + """An :class:`~werkzeug.test.EnvironBuilder`, that takes defaults from the + application. + + :param app: The Flask application to configure the environment from. + :param path: URL path being requested. + :param base_url: Base URL where the app is being served, which + ``path`` is relative to. If not given, built from + :data:`PREFERRED_URL_SCHEME`, ``subdomain``, + :data:`SERVER_NAME`, and :data:`APPLICATION_ROOT`. + :param subdomain: Subdomain name to append to :data:`SERVER_NAME`. + :param url_scheme: Scheme to use instead of + :data:`PREFERRED_URL_SCHEME`. + :param json: If given, this is serialized as JSON and passed as + ``data``. Also defaults ``content_type`` to + ``application/json``. + :param args: other positional arguments passed to + :class:`~werkzeug.test.EnvironBuilder`. + :param kwargs: other keyword arguments passed to + :class:`~werkzeug.test.EnvironBuilder`. + """ + + def __init__( + self, + app: Flask, + path: str = "/", + base_url: str | None = None, + subdomain: str | None = None, + url_scheme: str | None = None, + *args: t.Any, + **kwargs: t.Any, + ) -> None: + assert not (base_url or subdomain or url_scheme) or ( + base_url is not None + ) != bool( + subdomain or url_scheme + ), 'Cannot pass "subdomain" or "url_scheme" with "base_url".' + + if base_url is None: + http_host = app.config.get("SERVER_NAME") or "localhost" + app_root = app.config["APPLICATION_ROOT"] + + if subdomain: + http_host = f"{subdomain}.{http_host}" + + if url_scheme is None: + url_scheme = app.config["PREFERRED_URL_SCHEME"] + + url = urlsplit(path) + base_url = ( + f"{url.scheme or url_scheme}://{url.netloc or http_host}" + f"/{app_root.lstrip('/')}" + ) + path = url.path + + if url.query: + sep = b"?" if isinstance(url.query, bytes) else "?" + path += sep + url.query + + self.app = app + super().__init__(path, base_url, *args, **kwargs) + + def json_dumps(self, obj: t.Any, **kwargs: t.Any) -> str: # type: ignore + """Serialize ``obj`` to a JSON-formatted string. + + The serialization will be configured according to the config associated + with this EnvironBuilder's ``app``. + """ + return self.app.json.dumps(obj, **kwargs) + + +_werkzeug_version = "" + + +def _get_werkzeug_version() -> str: + global _werkzeug_version + + if not _werkzeug_version: + _werkzeug_version = importlib.metadata.version("werkzeug") + + return _werkzeug_version + + +class FlaskClient(Client): + """Works like a regular Werkzeug test client but has knowledge about + Flask's contexts to defer the cleanup of the request context until + the end of a ``with`` block. For general information about how to + use this class refer to :class:`werkzeug.test.Client`. + + .. versionchanged:: 0.12 + `app.test_client()` includes preset default environment, which can be + set after instantiation of the `app.test_client()` object in + `client.environ_base`. + + Basic usage is outlined in the :doc:`/testing` chapter. + """ + + application: Flask + + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + super().__init__(*args, **kwargs) + self.preserve_context = False + self._new_contexts: list[t.ContextManager[t.Any]] = [] + self._context_stack = ExitStack() + self.environ_base = { + "REMOTE_ADDR": "127.0.0.1", + "HTTP_USER_AGENT": f"Werkzeug/{_get_werkzeug_version()}", + } + + @contextmanager + def session_transaction( + self, *args: t.Any, **kwargs: t.Any + ) -> t.Generator[SessionMixin, None, None]: + """When used in combination with a ``with`` statement this opens a + session transaction. This can be used to modify the session that + the test client uses. Once the ``with`` block is left the session is + stored back. + + :: + + with client.session_transaction() as session: + session['value'] = 42 + + Internally this is implemented by going through a temporary test + request context and since session handling could depend on + request variables this function accepts the same arguments as + :meth:`~flask.Flask.test_request_context` which are directly + passed through. + """ + if self._cookies is None: + raise TypeError( + "Cookies are disabled. Create a client with 'use_cookies=True'." + ) + + app = self.application + ctx = app.test_request_context(*args, **kwargs) + self._add_cookies_to_wsgi(ctx.request.environ) + + with ctx: + sess = app.session_interface.open_session(app, ctx.request) + + if sess is None: + raise RuntimeError("Session backend did not open a session.") + + yield sess + resp = app.response_class() + + if app.session_interface.is_null_session(sess): + return + + with ctx: + app.session_interface.save_session(app, sess, resp) + + self._update_cookies_from_response( + ctx.request.host.partition(":")[0], + ctx.request.path, + resp.headers.getlist("Set-Cookie"), + ) + + def _copy_environ(self, other): + out = {**self.environ_base, **other} + + if self.preserve_context: + out["werkzeug.debug.preserve_context"] = self._new_contexts.append + + return out + + def _request_from_builder_args(self, args, kwargs): + kwargs["environ_base"] = self._copy_environ(kwargs.get("environ_base", {})) + builder = EnvironBuilder(self.application, *args, **kwargs) + + try: + return builder.get_request() + finally: + builder.close() + + def open( + self, + *args: t.Any, + buffered: bool = False, + follow_redirects: bool = False, + **kwargs: t.Any, + ) -> TestResponse: + if args and isinstance( + args[0], (werkzeug.test.EnvironBuilder, dict, BaseRequest) + ): + if isinstance(args[0], werkzeug.test.EnvironBuilder): + builder = copy(args[0]) + builder.environ_base = self._copy_environ(builder.environ_base or {}) + request = builder.get_request() + elif isinstance(args[0], dict): + request = EnvironBuilder.from_environ( + args[0], app=self.application, environ_base=self._copy_environ({}) + ).get_request() + else: + # isinstance(args[0], BaseRequest) + request = copy(args[0]) + request.environ = self._copy_environ(request.environ) + else: + # request is None + request = self._request_from_builder_args(args, kwargs) + + # Pop any previously preserved contexts. This prevents contexts + # from being preserved across redirects or multiple requests + # within a single block. + self._context_stack.close() + + response = super().open( + request, + buffered=buffered, + follow_redirects=follow_redirects, + ) + response.json_module = self.application.json # type: ignore[assignment] + + # Re-push contexts that were preserved during the request. + while self._new_contexts: + cm = self._new_contexts.pop() + self._context_stack.enter_context(cm) + + return response + + def __enter__(self) -> FlaskClient: + if self.preserve_context: + raise RuntimeError("Cannot nest client invocations") + self.preserve_context = True + return self + + def __exit__( + self, + exc_type: type | None, + exc_value: BaseException | None, + tb: TracebackType | None, + ) -> None: + self.preserve_context = False + self._context_stack.close() + + +class FlaskCliRunner(CliRunner): + """A :class:`~click.testing.CliRunner` for testing a Flask app's + CLI commands. Typically created using + :meth:`~flask.Flask.test_cli_runner`. See :ref:`testing-cli`. + """ + + def __init__(self, app: Flask, **kwargs: t.Any) -> None: + self.app = app + super().__init__(**kwargs) + + def invoke( # type: ignore + self, cli: t.Any = None, args: t.Any = None, **kwargs: t.Any + ) -> t.Any: + """Invokes a CLI command in an isolated environment. See + :meth:`CliRunner.invoke ` for + full method documentation. See :ref:`testing-cli` for examples. + + If the ``obj`` argument is not given, passes an instance of + :class:`~flask.cli.ScriptInfo` that knows how to load the Flask + app being tested. + + :param cli: Command object to invoke. Default is the app's + :attr:`~flask.app.Flask.cli` group. + :param args: List of strings to invoke the command with. + + :return: a :class:`~click.testing.Result` object. + """ + if cli is None: + cli = self.app.cli # type: ignore + + if "obj" not in kwargs: + kwargs["obj"] = ScriptInfo(create_app=lambda: self.app) + + return super().invoke(cli, args, **kwargs) diff --git a/venv/lib/python3.12/site-packages/flask/typing.py b/venv/lib/python3.12/site-packages/flask/typing.py new file mode 100644 index 0000000..50aef7f --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/typing.py @@ -0,0 +1,82 @@ +from __future__ import annotations + +import typing as t + +if t.TYPE_CHECKING: # pragma: no cover + from _typeshed.wsgi import WSGIApplication # noqa: F401 + from werkzeug.datastructures import Headers # noqa: F401 + from werkzeug.wrappers import Response # noqa: F401 + +# The possible types that are directly convertible or are a Response object. +ResponseValue = t.Union[ + "Response", + str, + bytes, + t.List[t.Any], + # Only dict is actually accepted, but Mapping allows for TypedDict. + t.Mapping[str, t.Any], + t.Iterator[str], + t.Iterator[bytes], +] + +# the possible types for an individual HTTP header +# This should be a Union, but mypy doesn't pass unless it's a TypeVar. +HeaderValue = t.Union[str, t.List[str], t.Tuple[str, ...]] + +# the possible types for HTTP headers +HeadersValue = t.Union[ + "Headers", + t.Mapping[str, HeaderValue], + t.Sequence[t.Tuple[str, HeaderValue]], +] + +# The possible types returned by a route function. +ResponseReturnValue = t.Union[ + ResponseValue, + t.Tuple[ResponseValue, HeadersValue], + t.Tuple[ResponseValue, int], + t.Tuple[ResponseValue, int, HeadersValue], + "WSGIApplication", +] + +# Allow any subclass of werkzeug.Response, such as the one from Flask, +# as a callback argument. Using werkzeug.Response directly makes a +# callback annotated with flask.Response fail type checking. +ResponseClass = t.TypeVar("ResponseClass", bound="Response") + +AppOrBlueprintKey = t.Optional[str] # The App key is None, whereas blueprints are named +AfterRequestCallable = t.Union[ + t.Callable[[ResponseClass], ResponseClass], + t.Callable[[ResponseClass], t.Awaitable[ResponseClass]], +] +BeforeFirstRequestCallable = t.Union[ + t.Callable[[], None], t.Callable[[], t.Awaitable[None]] +] +BeforeRequestCallable = t.Union[ + t.Callable[[], t.Optional[ResponseReturnValue]], + t.Callable[[], t.Awaitable[t.Optional[ResponseReturnValue]]], +] +ShellContextProcessorCallable = t.Callable[[], t.Dict[str, t.Any]] +TeardownCallable = t.Union[ + t.Callable[[t.Optional[BaseException]], None], + t.Callable[[t.Optional[BaseException]], t.Awaitable[None]], +] +TemplateContextProcessorCallable = t.Callable[[], t.Dict[str, t.Any]] +TemplateFilterCallable = t.Callable[..., t.Any] +TemplateGlobalCallable = t.Callable[..., t.Any] +TemplateTestCallable = t.Callable[..., bool] +URLDefaultCallable = t.Callable[[str, dict], None] +URLValuePreprocessorCallable = t.Callable[[t.Optional[str], t.Optional[dict]], None] + +# This should take Exception, but that either breaks typing the argument +# with a specific exception, or decorating multiple times with different +# exceptions (and using a union type on the argument). +# https://github.com/pallets/flask/issues/4095 +# https://github.com/pallets/flask/issues/4295 +# https://github.com/pallets/flask/issues/4297 +ErrorHandlerCallable = t.Callable[[t.Any], ResponseReturnValue] + +RouteCallable = t.Union[ + t.Callable[..., ResponseReturnValue], + t.Callable[..., t.Awaitable[ResponseReturnValue]], +] diff --git a/venv/lib/python3.12/site-packages/flask/views.py b/venv/lib/python3.12/site-packages/flask/views.py new file mode 100644 index 0000000..c7a2b62 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/views.py @@ -0,0 +1,190 @@ +from __future__ import annotations + +import typing as t + +from . import typing as ft +from .globals import current_app +from .globals import request + + +http_method_funcs = frozenset( + ["get", "post", "head", "options", "delete", "put", "trace", "patch"] +) + + +class View: + """Subclass this class and override :meth:`dispatch_request` to + create a generic class-based view. Call :meth:`as_view` to create a + view function that creates an instance of the class with the given + arguments and calls its ``dispatch_request`` method with any URL + variables. + + See :doc:`views` for a detailed guide. + + .. code-block:: python + + class Hello(View): + init_every_request = False + + def dispatch_request(self, name): + return f"Hello, {name}!" + + app.add_url_rule( + "/hello/", view_func=Hello.as_view("hello") + ) + + Set :attr:`methods` on the class to change what methods the view + accepts. + + Set :attr:`decorators` on the class to apply a list of decorators to + the generated view function. Decorators applied to the class itself + will not be applied to the generated view function! + + Set :attr:`init_every_request` to ``False`` for efficiency, unless + you need to store request-global data on ``self``. + """ + + #: The methods this view is registered for. Uses the same default + #: (``["GET", "HEAD", "OPTIONS"]``) as ``route`` and + #: ``add_url_rule`` by default. + methods: t.ClassVar[t.Collection[str] | None] = None + + #: Control whether the ``OPTIONS`` method is handled automatically. + #: Uses the same default (``True``) as ``route`` and + #: ``add_url_rule`` by default. + provide_automatic_options: t.ClassVar[bool | None] = None + + #: A list of decorators to apply, in order, to the generated view + #: function. Remember that ``@decorator`` syntax is applied bottom + #: to top, so the first decorator in the list would be the bottom + #: decorator. + #: + #: .. versionadded:: 0.8 + decorators: t.ClassVar[list[t.Callable]] = [] + + #: Create a new instance of this view class for every request by + #: default. If a view subclass sets this to ``False``, the same + #: instance is used for every request. + #: + #: A single instance is more efficient, especially if complex setup + #: is done during init. However, storing data on ``self`` is no + #: longer safe across requests, and :data:`~flask.g` should be used + #: instead. + #: + #: .. versionadded:: 2.2 + init_every_request: t.ClassVar[bool] = True + + def dispatch_request(self) -> ft.ResponseReturnValue: + """The actual view function behavior. Subclasses must override + this and return a valid response. Any variables from the URL + rule are passed as keyword arguments. + """ + raise NotImplementedError() + + @classmethod + def as_view( + cls, name: str, *class_args: t.Any, **class_kwargs: t.Any + ) -> ft.RouteCallable: + """Convert the class into a view function that can be registered + for a route. + + By default, the generated view will create a new instance of the + view class for every request and call its + :meth:`dispatch_request` method. If the view class sets + :attr:`init_every_request` to ``False``, the same instance will + be used for every request. + + Except for ``name``, all other arguments passed to this method + are forwarded to the view class ``__init__`` method. + + .. versionchanged:: 2.2 + Added the ``init_every_request`` class attribute. + """ + if cls.init_every_request: + + def view(**kwargs: t.Any) -> ft.ResponseReturnValue: + self = view.view_class( # type: ignore[attr-defined] + *class_args, **class_kwargs + ) + return current_app.ensure_sync(self.dispatch_request)(**kwargs) + + else: + self = cls(*class_args, **class_kwargs) + + def view(**kwargs: t.Any) -> ft.ResponseReturnValue: + return current_app.ensure_sync(self.dispatch_request)(**kwargs) + + if cls.decorators: + view.__name__ = name + view.__module__ = cls.__module__ + for decorator in cls.decorators: + view = decorator(view) + + # We attach the view class to the view function for two reasons: + # first of all it allows us to easily figure out what class-based + # view this thing came from, secondly it's also used for instantiating + # the view class so you can actually replace it with something else + # for testing purposes and debugging. + view.view_class = cls # type: ignore + view.__name__ = name + view.__doc__ = cls.__doc__ + view.__module__ = cls.__module__ + view.methods = cls.methods # type: ignore + view.provide_automatic_options = cls.provide_automatic_options # type: ignore + return view + + +class MethodView(View): + """Dispatches request methods to the corresponding instance methods. + For example, if you implement a ``get`` method, it will be used to + handle ``GET`` requests. + + This can be useful for defining a REST API. + + :attr:`methods` is automatically set based on the methods defined on + the class. + + See :doc:`views` for a detailed guide. + + .. code-block:: python + + class CounterAPI(MethodView): + def get(self): + return str(session.get("counter", 0)) + + def post(self): + session["counter"] = session.get("counter", 0) + 1 + return redirect(url_for("counter")) + + app.add_url_rule( + "/counter", view_func=CounterAPI.as_view("counter") + ) + """ + + def __init_subclass__(cls, **kwargs: t.Any) -> None: + super().__init_subclass__(**kwargs) + + if "methods" not in cls.__dict__: + methods = set() + + for base in cls.__bases__: + if getattr(base, "methods", None): + methods.update(base.methods) # type: ignore[attr-defined] + + for key in http_method_funcs: + if hasattr(cls, key): + methods.add(key.upper()) + + if methods: + cls.methods = methods + + def dispatch_request(self, **kwargs: t.Any) -> ft.ResponseReturnValue: + meth = getattr(self, request.method.lower(), None) + + # If the request method is HEAD and we don't have a handler for it + # retry with GET. + if meth is None and request.method == "HEAD": + meth = getattr(self, "get", None) + + assert meth is not None, f"Unimplemented method {request.method!r}" + return current_app.ensure_sync(meth)(**kwargs) diff --git a/venv/lib/python3.12/site-packages/flask/wrappers.py b/venv/lib/python3.12/site-packages/flask/wrappers.py new file mode 100644 index 0000000..ef7aa38 --- /dev/null +++ b/venv/lib/python3.12/site-packages/flask/wrappers.py @@ -0,0 +1,173 @@ +from __future__ import annotations + +import typing as t + +from werkzeug.exceptions import BadRequest +from werkzeug.wrappers import Request as RequestBase +from werkzeug.wrappers import Response as ResponseBase + +from . import json +from .globals import current_app +from .helpers import _split_blueprint_path + +if t.TYPE_CHECKING: # pragma: no cover + from werkzeug.routing import Rule + + +class Request(RequestBase): + """The request object used by default in Flask. Remembers the + matched endpoint and view arguments. + + It is what ends up as :class:`~flask.request`. If you want to replace + the request object used you can subclass this and set + :attr:`~flask.Flask.request_class` to your subclass. + + The request object is a :class:`~werkzeug.wrappers.Request` subclass and + provides all of the attributes Werkzeug defines plus a few Flask + specific ones. + """ + + json_module: t.Any = json + + #: The internal URL rule that matched the request. This can be + #: useful to inspect which methods are allowed for the URL from + #: a before/after handler (``request.url_rule.methods``) etc. + #: Though if the request's method was invalid for the URL rule, + #: the valid list is available in ``routing_exception.valid_methods`` + #: instead (an attribute of the Werkzeug exception + #: :exc:`~werkzeug.exceptions.MethodNotAllowed`) + #: because the request was never internally bound. + #: + #: .. versionadded:: 0.6 + url_rule: Rule | None = None + + #: A dict of view arguments that matched the request. If an exception + #: happened when matching, this will be ``None``. + view_args: dict[str, t.Any] | None = None + + #: If matching the URL failed, this is the exception that will be + #: raised / was raised as part of the request handling. This is + #: usually a :exc:`~werkzeug.exceptions.NotFound` exception or + #: something similar. + routing_exception: Exception | None = None + + @property + def max_content_length(self) -> int | None: # type: ignore + """Read-only view of the ``MAX_CONTENT_LENGTH`` config key.""" + if current_app: + return current_app.config["MAX_CONTENT_LENGTH"] + else: + return None + + @property + def endpoint(self) -> str | None: + """The endpoint that matched the request URL. + + This will be ``None`` if matching failed or has not been + performed yet. + + This in combination with :attr:`view_args` can be used to + reconstruct the same URL or a modified URL. + """ + if self.url_rule is not None: + return self.url_rule.endpoint + + return None + + @property + def blueprint(self) -> str | None: + """The registered name of the current blueprint. + + This will be ``None`` if the endpoint is not part of a + blueprint, or if URL matching failed or has not been performed + yet. + + This does not necessarily match the name the blueprint was + created with. It may have been nested, or registered with a + different name. + """ + endpoint = self.endpoint + + if endpoint is not None and "." in endpoint: + return endpoint.rpartition(".")[0] + + return None + + @property + def blueprints(self) -> list[str]: + """The registered names of the current blueprint upwards through + parent blueprints. + + This will be an empty list if there is no current blueprint, or + if URL matching failed. + + .. versionadded:: 2.0.1 + """ + name = self.blueprint + + if name is None: + return [] + + return _split_blueprint_path(name) + + def _load_form_data(self) -> None: + super()._load_form_data() + + # In debug mode we're replacing the files multidict with an ad-hoc + # subclass that raises a different error for key errors. + if ( + current_app + and current_app.debug + and self.mimetype != "multipart/form-data" + and not self.files + ): + from .debughelpers import attach_enctype_error_multidict + + attach_enctype_error_multidict(self) + + def on_json_loading_failed(self, e: ValueError | None) -> t.Any: + try: + return super().on_json_loading_failed(e) + except BadRequest as e: + if current_app and current_app.debug: + raise + + raise BadRequest() from e + + +class Response(ResponseBase): + """The response object that is used by default in Flask. Works like the + response object from Werkzeug but is set to have an HTML mimetype by + default. Quite often you don't have to create this object yourself because + :meth:`~flask.Flask.make_response` will take care of that for you. + + If you want to replace the response object used you can subclass this and + set :attr:`~flask.Flask.response_class` to your subclass. + + .. versionchanged:: 1.0 + JSON support is added to the response, like the request. This is useful + when testing to get the test client response data as JSON. + + .. versionchanged:: 1.0 + + Added :attr:`max_cookie_size`. + """ + + default_mimetype: str | None = "text/html" + + json_module = json + + autocorrect_location_header = False + + @property + def max_cookie_size(self) -> int: # type: ignore + """Read-only view of the :data:`MAX_COOKIE_SIZE` config key. + + See :attr:`~werkzeug.wrappers.Response.max_cookie_size` in + Werkzeug's docs. + """ + if current_app: + return current_app.config["MAX_COOKIE_SIZE"] + + # return Werkzeug's default when not in an app context + return super().max_cookie_size diff --git a/venv/lib/python3.12/site-packages/google/_upb/_message.abi3.so b/venv/lib/python3.12/site-packages/google/_upb/_message.abi3.so new file mode 100644 index 0000000..05f78c4 Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/_upb/_message.abi3.so differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/__init__.py b/venv/lib/python3.12/site-packages/google/protobuf/__init__.py new file mode 100644 index 0000000..e7555ee --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/__init__.py @@ -0,0 +1,33 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# Copyright 2007 Google Inc. All Rights Reserved. + +__version__ = '4.21.12' diff --git a/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..b3dbc98 Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/any_pb2.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/any_pb2.cpython-312.pyc new file mode 100644 index 0000000..dead999 Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/any_pb2.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/api_pb2.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/__pycache__/api_pb2.cpython-312.pyc new file mode 100644 index 0000000..df90ec6 Binary files 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index 0000000..a3aea5e --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/any_pb2.py @@ -0,0 +1,26 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/any.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x19google/protobuf/any.proto\x12\x0fgoogle.protobuf\"6\n\x03\x41ny\x12\x19\n\x08type_url\x18\x01 \x01(\tR\x07typeUrl\x12\x14\n\x05value\x18\x02 \x01(\x0cR\x05valueBv\n\x13\x63om.google.protobufB\x08\x41nyProtoP\x01Z,google.golang.org/protobuf/types/known/anypb\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.any_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\010AnyProtoP\001Z,google.golang.org/protobuf/types/known/anypb\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _ANY._serialized_start=46 + _ANY._serialized_end=100 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/api_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/api_pb2.py new file mode 100644 index 0000000..8c3cec5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/api_pb2.py @@ -0,0 +1,32 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/api.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + +from google.protobuf import source_context_pb2 as google_dot_protobuf_dot_source__context__pb2 +from google.protobuf import type_pb2 as google_dot_protobuf_dot_type__pb2 + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x19google/protobuf/api.proto\x12\x0fgoogle.protobuf\x1a$google/protobuf/source_context.proto\x1a\x1agoogle/protobuf/type.proto\"\xc1\x02\n\x03\x41pi\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12\x31\n\x07methods\x18\x02 \x03(\x0b\x32\x17.google.protobuf.MethodR\x07methods\x12\x31\n\x07options\x18\x03 \x03(\x0b\x32\x17.google.protobuf.OptionR\x07options\x12\x18\n\x07version\x18\x04 \x01(\tR\x07version\x12\x45\n\x0esource_context\x18\x05 \x01(\x0b\x32\x1e.google.protobuf.SourceContextR\rsourceContext\x12.\n\x06mixins\x18\x06 \x03(\x0b\x32\x16.google.protobuf.MixinR\x06mixins\x12/\n\x06syntax\x18\x07 \x01(\x0e\x32\x17.google.protobuf.SyntaxR\x06syntax\"\xb2\x02\n\x06Method\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12(\n\x10request_type_url\x18\x02 \x01(\tR\x0erequestTypeUrl\x12+\n\x11request_streaming\x18\x03 \x01(\x08R\x10requestStreaming\x12*\n\x11response_type_url\x18\x04 \x01(\tR\x0fresponseTypeUrl\x12-\n\x12response_streaming\x18\x05 \x01(\x08R\x11responseStreaming\x12\x31\n\x07options\x18\x06 \x03(\x0b\x32\x17.google.protobuf.OptionR\x07options\x12/\n\x06syntax\x18\x07 \x01(\x0e\x32\x17.google.protobuf.SyntaxR\x06syntax\"/\n\x05Mixin\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12\x12\n\x04root\x18\x02 \x01(\tR\x04rootBv\n\x13\x63om.google.protobufB\x08\x41piProtoP\x01Z,google.golang.org/protobuf/types/known/apipb\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.api_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\010ApiProtoP\001Z,google.golang.org/protobuf/types/known/apipb\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _API._serialized_start=113 + _API._serialized_end=434 + _METHOD._serialized_start=437 + _METHOD._serialized_end=743 + _MIXIN._serialized_start=745 + _MIXIN._serialized_end=792 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/compiler/__init__.py b/venv/lib/python3.12/site-packages/google/protobuf/compiler/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/google/protobuf/compiler/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/compiler/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..fe20065 Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/compiler/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/compiler/__pycache__/plugin_pb2.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/compiler/__pycache__/plugin_pb2.cpython-312.pyc new file mode 100644 index 0000000..06dfd5e Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/compiler/__pycache__/plugin_pb2.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/compiler/plugin_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/compiler/plugin_pb2.py new file mode 100644 index 0000000..6684ec2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/compiler/plugin_pb2.py @@ -0,0 +1,35 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/compiler/plugin.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + +from google.protobuf import descriptor_pb2 as google_dot_protobuf_dot_descriptor__pb2 + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n%google/protobuf/compiler/plugin.proto\x12\x18google.protobuf.compiler\x1a google/protobuf/descriptor.proto\"c\n\x07Version\x12\x14\n\x05major\x18\x01 \x01(\x05R\x05major\x12\x14\n\x05minor\x18\x02 \x01(\x05R\x05minor\x12\x14\n\x05patch\x18\x03 \x01(\x05R\x05patch\x12\x16\n\x06suffix\x18\x04 \x01(\tR\x06suffix\"\xf1\x01\n\x14\x43odeGeneratorRequest\x12(\n\x10\x66ile_to_generate\x18\x01 \x03(\tR\x0e\x66ileToGenerate\x12\x1c\n\tparameter\x18\x02 \x01(\tR\tparameter\x12\x43\n\nproto_file\x18\x0f \x03(\x0b\x32$.google.protobuf.FileDescriptorProtoR\tprotoFile\x12L\n\x10\x63ompiler_version\x18\x03 \x01(\x0b\x32!.google.protobuf.compiler.VersionR\x0f\x63ompilerVersion\"\x94\x03\n\x15\x43odeGeneratorResponse\x12\x14\n\x05\x65rror\x18\x01 \x01(\tR\x05\x65rror\x12-\n\x12supported_features\x18\x02 \x01(\x04R\x11supportedFeatures\x12H\n\x04\x66ile\x18\x0f \x03(\x0b\x32\x34.google.protobuf.compiler.CodeGeneratorResponse.FileR\x04\x66ile\x1a\xb1\x01\n\x04\x46ile\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12\'\n\x0finsertion_point\x18\x02 \x01(\tR\x0einsertionPoint\x12\x18\n\x07\x63ontent\x18\x0f \x01(\tR\x07\x63ontent\x12R\n\x13generated_code_info\x18\x10 \x01(\x0b\x32\".google.protobuf.GeneratedCodeInfoR\x11generatedCodeInfo\"8\n\x07\x46\x65\x61ture\x12\x10\n\x0c\x46\x45\x41TURE_NONE\x10\x00\x12\x1b\n\x17\x46\x45\x41TURE_PROTO3_OPTIONAL\x10\x01\x42W\n\x1c\x63om.google.protobuf.compilerB\x0cPluginProtosZ)google.golang.org/protobuf/types/pluginpb') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.compiler.plugin_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\034com.google.protobuf.compilerB\014PluginProtosZ)google.golang.org/protobuf/types/pluginpb' + _VERSION._serialized_start=101 + _VERSION._serialized_end=200 + _CODEGENERATORREQUEST._serialized_start=203 + _CODEGENERATORREQUEST._serialized_end=444 + _CODEGENERATORRESPONSE._serialized_start=447 + _CODEGENERATORRESPONSE._serialized_end=851 + _CODEGENERATORRESPONSE_FILE._serialized_start=616 + _CODEGENERATORRESPONSE_FILE._serialized_end=793 + _CODEGENERATORRESPONSE_FEATURE._serialized_start=795 + _CODEGENERATORRESPONSE_FEATURE._serialized_end=851 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/descriptor.py b/venv/lib/python3.12/site-packages/google/protobuf/descriptor.py new file mode 100644 index 0000000..f5a0caa --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/descriptor.py @@ -0,0 +1,1228 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Descriptors essentially contain exactly the information found in a .proto +file, in types that make this information accessible in Python. +""" + +__author__ = 'robinson@google.com (Will Robinson)' + +import threading +import warnings + +from google.protobuf.internal import api_implementation + +_USE_C_DESCRIPTORS = False +if api_implementation.Type() != 'python': + # Used by MakeDescriptor in cpp mode + import binascii + import os + # pylint: disable=protected-access + _message = api_implementation._c_module + # TODO(jieluo): Remove this import after fix api_implementation + if _message is None: + from google.protobuf.pyext import _message + _USE_C_DESCRIPTORS = True + + +class Error(Exception): + """Base error for this module.""" + + +class TypeTransformationError(Error): + """Error transforming between python proto type and corresponding C++ type.""" + + +if _USE_C_DESCRIPTORS: + # This metaclass allows to override the behavior of code like + # isinstance(my_descriptor, FieldDescriptor) + # and make it return True when the descriptor is an instance of the extension + # type written in C++. + class DescriptorMetaclass(type): + def __instancecheck__(cls, obj): + if super(DescriptorMetaclass, cls).__instancecheck__(obj): + return True + if isinstance(obj, cls._C_DESCRIPTOR_CLASS): + return True + return False +else: + # The standard metaclass; nothing changes. + DescriptorMetaclass = type + + +class _Lock(object): + """Wrapper class of threading.Lock(), which is allowed by 'with'.""" + + def __new__(cls): + self = object.__new__(cls) + self._lock = threading.Lock() # pylint: disable=protected-access + return self + + def __enter__(self): + self._lock.acquire() + + def __exit__(self, exc_type, exc_value, exc_tb): + self._lock.release() + + +_lock = threading.Lock() + + +def _Deprecated(name): + if _Deprecated.count > 0: + _Deprecated.count -= 1 + warnings.warn( + 'Call to deprecated create function %s(). Note: Create unlinked ' + 'descriptors is going to go away. Please use get/find descriptors from ' + 'generated code or query the descriptor_pool.' + % name, + category=DeprecationWarning, stacklevel=3) + + +# Deprecated warnings will print 100 times at most which should be enough for +# users to notice and do not cause timeout. +_Deprecated.count = 100 + + +_internal_create_key = object() + + +class DescriptorBase(metaclass=DescriptorMetaclass): + + """Descriptors base class. + + This class is the base of all descriptor classes. It provides common options + related functionality. + + Attributes: + has_options: True if the descriptor has non-default options. Usually it + is not necessary to read this -- just call GetOptions() which will + happily return the default instance. However, it's sometimes useful + for efficiency, and also useful inside the protobuf implementation to + avoid some bootstrapping issues. + """ + + if _USE_C_DESCRIPTORS: + # The class, or tuple of classes, that are considered as "virtual + # subclasses" of this descriptor class. + _C_DESCRIPTOR_CLASS = () + + def __init__(self, options, serialized_options, options_class_name): + """Initialize the descriptor given its options message and the name of the + class of the options message. The name of the class is required in case + the options message is None and has to be created. + """ + self._options = options + self._options_class_name = options_class_name + self._serialized_options = serialized_options + + # Does this descriptor have non-default options? + self.has_options = (options is not None) or (serialized_options is not None) + + def _SetOptions(self, options, options_class_name): + """Sets the descriptor's options + + This function is used in generated proto2 files to update descriptor + options. It must not be used outside proto2. + """ + self._options = options + self._options_class_name = options_class_name + + # Does this descriptor have non-default options? + self.has_options = options is not None + + def GetOptions(self): + """Retrieves descriptor options. + + This method returns the options set or creates the default options for the + descriptor. + """ + if self._options: + return self._options + + from google.protobuf import descriptor_pb2 + try: + options_class = getattr(descriptor_pb2, + self._options_class_name) + except AttributeError: + raise RuntimeError('Unknown options class name %s!' % + (self._options_class_name)) + + with _lock: + if self._serialized_options is None: + self._options = options_class() + else: + self._options = _ParseOptions(options_class(), + self._serialized_options) + + return self._options + + +class _NestedDescriptorBase(DescriptorBase): + """Common class for descriptors that can be nested.""" + + def __init__(self, options, options_class_name, name, full_name, + file, containing_type, serialized_start=None, + serialized_end=None, serialized_options=None): + """Constructor. + + Args: + options: Protocol message options or None + to use default message options. + options_class_name (str): The class name of the above options. + name (str): Name of this protocol message type. + full_name (str): Fully-qualified name of this protocol message type, + which will include protocol "package" name and the name of any + enclosing types. + file (FileDescriptor): Reference to file info. + containing_type: if provided, this is a nested descriptor, with this + descriptor as parent, otherwise None. + serialized_start: The start index (inclusive) in block in the + file.serialized_pb that describes this descriptor. + serialized_end: The end index (exclusive) in block in the + file.serialized_pb that describes this descriptor. + serialized_options: Protocol message serialized options or None. + """ + super(_NestedDescriptorBase, self).__init__( + options, serialized_options, options_class_name) + + self.name = name + # TODO(falk): Add function to calculate full_name instead of having it in + # memory? + self.full_name = full_name + self.file = file + self.containing_type = containing_type + + self._serialized_start = serialized_start + self._serialized_end = serialized_end + + def CopyToProto(self, proto): + """Copies this to the matching proto in descriptor_pb2. + + Args: + proto: An empty proto instance from descriptor_pb2. + + Raises: + Error: If self couldn't be serialized, due to to few constructor + arguments. + """ + if (self.file is not None and + self._serialized_start is not None and + self._serialized_end is not None): + proto.ParseFromString(self.file.serialized_pb[ + self._serialized_start:self._serialized_end]) + else: + raise Error('Descriptor does not contain serialization.') + + +class Descriptor(_NestedDescriptorBase): + + """Descriptor for a protocol message type. + + Attributes: + name (str): Name of this protocol message type. + full_name (str): Fully-qualified name of this protocol message type, + which will include protocol "package" name and the name of any + enclosing types. + containing_type (Descriptor): Reference to the descriptor of the type + containing us, or None if this is top-level. + fields (list[FieldDescriptor]): Field descriptors for all fields in + this type. + fields_by_number (dict(int, FieldDescriptor)): Same + :class:`FieldDescriptor` objects as in :attr:`fields`, but indexed + by "number" attribute in each FieldDescriptor. + fields_by_name (dict(str, FieldDescriptor)): Same + :class:`FieldDescriptor` objects as in :attr:`fields`, but indexed by + "name" attribute in each :class:`FieldDescriptor`. + nested_types (list[Descriptor]): Descriptor references + for all protocol message types nested within this one. + nested_types_by_name (dict(str, Descriptor)): Same Descriptor + objects as in :attr:`nested_types`, but indexed by "name" attribute + in each Descriptor. + enum_types (list[EnumDescriptor]): :class:`EnumDescriptor` references + for all enums contained within this type. + enum_types_by_name (dict(str, EnumDescriptor)): Same + :class:`EnumDescriptor` objects as in :attr:`enum_types`, but + indexed by "name" attribute in each EnumDescriptor. + enum_values_by_name (dict(str, EnumValueDescriptor)): Dict mapping + from enum value name to :class:`EnumValueDescriptor` for that value. + extensions (list[FieldDescriptor]): All extensions defined directly + within this message type (NOT within a nested type). + extensions_by_name (dict(str, FieldDescriptor)): Same FieldDescriptor + objects as :attr:`extensions`, but indexed by "name" attribute of each + FieldDescriptor. + is_extendable (bool): Does this type define any extension ranges? + oneofs (list[OneofDescriptor]): The list of descriptors for oneof fields + in this message. + oneofs_by_name (dict(str, OneofDescriptor)): Same objects as in + :attr:`oneofs`, but indexed by "name" attribute. + file (FileDescriptor): Reference to file descriptor. + + """ + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.Descriptor + + def __new__( + cls, + name=None, + full_name=None, + filename=None, + containing_type=None, + fields=None, + nested_types=None, + enum_types=None, + extensions=None, + options=None, + serialized_options=None, + is_extendable=True, + extension_ranges=None, + oneofs=None, + file=None, # pylint: disable=redefined-builtin + serialized_start=None, + serialized_end=None, + syntax=None, + create_key=None): + _message.Message._CheckCalledFromGeneratedFile() + return _message.default_pool.FindMessageTypeByName(full_name) + + # NOTE(tmarek): The file argument redefining a builtin is nothing we can + # fix right now since we don't know how many clients already rely on the + # name of the argument. + def __init__(self, name, full_name, filename, containing_type, fields, + nested_types, enum_types, extensions, options=None, + serialized_options=None, + is_extendable=True, extension_ranges=None, oneofs=None, + file=None, serialized_start=None, serialized_end=None, # pylint: disable=redefined-builtin + syntax=None, create_key=None): + """Arguments to __init__() are as described in the description + of Descriptor fields above. + + Note that filename is an obsolete argument, that is not used anymore. + Please use file.name to access this as an attribute. + """ + if create_key is not _internal_create_key: + _Deprecated('Descriptor') + + super(Descriptor, self).__init__( + options, 'MessageOptions', name, full_name, file, + containing_type, serialized_start=serialized_start, + serialized_end=serialized_end, serialized_options=serialized_options) + + # We have fields in addition to fields_by_name and fields_by_number, + # so that: + # 1. Clients can index fields by "order in which they're listed." + # 2. Clients can easily iterate over all fields with the terse + # syntax: for f in descriptor.fields: ... + self.fields = fields + for field in self.fields: + field.containing_type = self + self.fields_by_number = dict((f.number, f) for f in fields) + self.fields_by_name = dict((f.name, f) for f in fields) + self._fields_by_camelcase_name = None + + self.nested_types = nested_types + for nested_type in nested_types: + nested_type.containing_type = self + self.nested_types_by_name = dict((t.name, t) for t in nested_types) + + self.enum_types = enum_types + for enum_type in self.enum_types: + enum_type.containing_type = self + self.enum_types_by_name = dict((t.name, t) for t in enum_types) + self.enum_values_by_name = dict( + (v.name, v) for t in enum_types for v in t.values) + + self.extensions = extensions + for extension in self.extensions: + extension.extension_scope = self + self.extensions_by_name = dict((f.name, f) for f in extensions) + self.is_extendable = is_extendable + self.extension_ranges = extension_ranges + self.oneofs = oneofs if oneofs is not None else [] + self.oneofs_by_name = dict((o.name, o) for o in self.oneofs) + for oneof in self.oneofs: + oneof.containing_type = self + self.syntax = syntax or "proto2" + + @property + def fields_by_camelcase_name(self): + """Same FieldDescriptor objects as in :attr:`fields`, but indexed by + :attr:`FieldDescriptor.camelcase_name`. + """ + if self._fields_by_camelcase_name is None: + self._fields_by_camelcase_name = dict( + (f.camelcase_name, f) for f in self.fields) + return self._fields_by_camelcase_name + + def EnumValueName(self, enum, value): + """Returns the string name of an enum value. + + This is just a small helper method to simplify a common operation. + + Args: + enum: string name of the Enum. + value: int, value of the enum. + + Returns: + string name of the enum value. + + Raises: + KeyError if either the Enum doesn't exist or the value is not a valid + value for the enum. + """ + return self.enum_types_by_name[enum].values_by_number[value].name + + def CopyToProto(self, proto): + """Copies this to a descriptor_pb2.DescriptorProto. + + Args: + proto: An empty descriptor_pb2.DescriptorProto. + """ + # This function is overridden to give a better doc comment. + super(Descriptor, self).CopyToProto(proto) + + +# TODO(robinson): We should have aggressive checking here, +# for example: +# * If you specify a repeated field, you should not be allowed +# to specify a default value. +# * [Other examples here as needed]. +# +# TODO(robinson): for this and other *Descriptor classes, we +# might also want to lock things down aggressively (e.g., +# prevent clients from setting the attributes). Having +# stronger invariants here in general will reduce the number +# of runtime checks we must do in reflection.py... +class FieldDescriptor(DescriptorBase): + + """Descriptor for a single field in a .proto file. + + Attributes: + name (str): Name of this field, exactly as it appears in .proto. + full_name (str): Name of this field, including containing scope. This is + particularly relevant for extensions. + index (int): Dense, 0-indexed index giving the order that this + field textually appears within its message in the .proto file. + number (int): Tag number declared for this field in the .proto file. + + type (int): (One of the TYPE_* constants below) Declared type. + cpp_type (int): (One of the CPPTYPE_* constants below) C++ type used to + represent this field. + + label (int): (One of the LABEL_* constants below) Tells whether this + field is optional, required, or repeated. + has_default_value (bool): True if this field has a default value defined, + otherwise false. + default_value (Varies): Default value of this field. Only + meaningful for non-repeated scalar fields. Repeated fields + should always set this to [], and non-repeated composite + fields should always set this to None. + + containing_type (Descriptor): Descriptor of the protocol message + type that contains this field. Set by the Descriptor constructor + if we're passed into one. + Somewhat confusingly, for extension fields, this is the + descriptor of the EXTENDED message, not the descriptor + of the message containing this field. (See is_extension and + extension_scope below). + message_type (Descriptor): If a composite field, a descriptor + of the message type contained in this field. Otherwise, this is None. + enum_type (EnumDescriptor): If this field contains an enum, a + descriptor of that enum. Otherwise, this is None. + + is_extension: True iff this describes an extension field. + extension_scope (Descriptor): Only meaningful if is_extension is True. + Gives the message that immediately contains this extension field. + Will be None iff we're a top-level (file-level) extension field. + + options (descriptor_pb2.FieldOptions): Protocol message field options or + None to use default field options. + + containing_oneof (OneofDescriptor): If the field is a member of a oneof + union, contains its descriptor. Otherwise, None. + + file (FileDescriptor): Reference to file descriptor. + """ + + # Must be consistent with C++ FieldDescriptor::Type enum in + # descriptor.h. + # + # TODO(robinson): Find a way to eliminate this repetition. + TYPE_DOUBLE = 1 + TYPE_FLOAT = 2 + TYPE_INT64 = 3 + TYPE_UINT64 = 4 + TYPE_INT32 = 5 + TYPE_FIXED64 = 6 + TYPE_FIXED32 = 7 + TYPE_BOOL = 8 + TYPE_STRING = 9 + TYPE_GROUP = 10 + TYPE_MESSAGE = 11 + TYPE_BYTES = 12 + TYPE_UINT32 = 13 + TYPE_ENUM = 14 + TYPE_SFIXED32 = 15 + TYPE_SFIXED64 = 16 + TYPE_SINT32 = 17 + TYPE_SINT64 = 18 + MAX_TYPE = 18 + + # Must be consistent with C++ FieldDescriptor::CppType enum in + # descriptor.h. + # + # TODO(robinson): Find a way to eliminate this repetition. + CPPTYPE_INT32 = 1 + CPPTYPE_INT64 = 2 + CPPTYPE_UINT32 = 3 + CPPTYPE_UINT64 = 4 + CPPTYPE_DOUBLE = 5 + CPPTYPE_FLOAT = 6 + CPPTYPE_BOOL = 7 + CPPTYPE_ENUM = 8 + CPPTYPE_STRING = 9 + CPPTYPE_MESSAGE = 10 + MAX_CPPTYPE = 10 + + _PYTHON_TO_CPP_PROTO_TYPE_MAP = { + TYPE_DOUBLE: CPPTYPE_DOUBLE, + TYPE_FLOAT: CPPTYPE_FLOAT, + TYPE_ENUM: CPPTYPE_ENUM, + TYPE_INT64: CPPTYPE_INT64, + TYPE_SINT64: CPPTYPE_INT64, + TYPE_SFIXED64: CPPTYPE_INT64, + TYPE_UINT64: CPPTYPE_UINT64, + TYPE_FIXED64: CPPTYPE_UINT64, + TYPE_INT32: CPPTYPE_INT32, + TYPE_SFIXED32: CPPTYPE_INT32, + TYPE_SINT32: CPPTYPE_INT32, + TYPE_UINT32: CPPTYPE_UINT32, + TYPE_FIXED32: CPPTYPE_UINT32, + TYPE_BYTES: CPPTYPE_STRING, + TYPE_STRING: CPPTYPE_STRING, + TYPE_BOOL: CPPTYPE_BOOL, + TYPE_MESSAGE: CPPTYPE_MESSAGE, + TYPE_GROUP: CPPTYPE_MESSAGE + } + + # Must be consistent with C++ FieldDescriptor::Label enum in + # descriptor.h. + # + # TODO(robinson): Find a way to eliminate this repetition. + LABEL_OPTIONAL = 1 + LABEL_REQUIRED = 2 + LABEL_REPEATED = 3 + MAX_LABEL = 3 + + # Must be consistent with C++ constants kMaxNumber, kFirstReservedNumber, + # and kLastReservedNumber in descriptor.h + MAX_FIELD_NUMBER = (1 << 29) - 1 + FIRST_RESERVED_FIELD_NUMBER = 19000 + LAST_RESERVED_FIELD_NUMBER = 19999 + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.FieldDescriptor + + def __new__(cls, name, full_name, index, number, type, cpp_type, label, + default_value, message_type, enum_type, containing_type, + is_extension, extension_scope, options=None, + serialized_options=None, + has_default_value=True, containing_oneof=None, json_name=None, + file=None, create_key=None): # pylint: disable=redefined-builtin + _message.Message._CheckCalledFromGeneratedFile() + if is_extension: + return _message.default_pool.FindExtensionByName(full_name) + else: + return _message.default_pool.FindFieldByName(full_name) + + def __init__(self, name, full_name, index, number, type, cpp_type, label, + default_value, message_type, enum_type, containing_type, + is_extension, extension_scope, options=None, + serialized_options=None, + has_default_value=True, containing_oneof=None, json_name=None, + file=None, create_key=None): # pylint: disable=redefined-builtin + """The arguments are as described in the description of FieldDescriptor + attributes above. + + Note that containing_type may be None, and may be set later if necessary + (to deal with circular references between message types, for example). + Likewise for extension_scope. + """ + if create_key is not _internal_create_key: + _Deprecated('FieldDescriptor') + + super(FieldDescriptor, self).__init__( + options, serialized_options, 'FieldOptions') + self.name = name + self.full_name = full_name + self.file = file + self._camelcase_name = None + if json_name is None: + self.json_name = _ToJsonName(name) + else: + self.json_name = json_name + self.index = index + self.number = number + self.type = type + self.cpp_type = cpp_type + self.label = label + self.has_default_value = has_default_value + self.default_value = default_value + self.containing_type = containing_type + self.message_type = message_type + self.enum_type = enum_type + self.is_extension = is_extension + self.extension_scope = extension_scope + self.containing_oneof = containing_oneof + if api_implementation.Type() == 'python': + self._cdescriptor = None + else: + if is_extension: + self._cdescriptor = _message.default_pool.FindExtensionByName(full_name) + else: + self._cdescriptor = _message.default_pool.FindFieldByName(full_name) + + @property + def camelcase_name(self): + """Camelcase name of this field. + + Returns: + str: the name in CamelCase. + """ + if self._camelcase_name is None: + self._camelcase_name = _ToCamelCase(self.name) + return self._camelcase_name + + @property + def has_presence(self): + """Whether the field distinguishes between unpopulated and default values. + + Raises: + RuntimeError: singular field that is not linked with message nor file. + """ + if self.label == FieldDescriptor.LABEL_REPEATED: + return False + if (self.cpp_type == FieldDescriptor.CPPTYPE_MESSAGE or + self.containing_oneof): + return True + if hasattr(self.file, 'syntax'): + return self.file.syntax == 'proto2' + if hasattr(self.message_type, 'syntax'): + return self.message_type.syntax == 'proto2' + raise RuntimeError( + 'has_presence is not ready to use because field %s is not' + ' linked with message type nor file' % self.full_name) + + @staticmethod + def ProtoTypeToCppProtoType(proto_type): + """Converts from a Python proto type to a C++ Proto Type. + + The Python ProtocolBuffer classes specify both the 'Python' datatype and the + 'C++' datatype - and they're not the same. This helper method should + translate from one to another. + + Args: + proto_type: the Python proto type (descriptor.FieldDescriptor.TYPE_*) + Returns: + int: descriptor.FieldDescriptor.CPPTYPE_*, the C++ type. + Raises: + TypeTransformationError: when the Python proto type isn't known. + """ + try: + return FieldDescriptor._PYTHON_TO_CPP_PROTO_TYPE_MAP[proto_type] + except KeyError: + raise TypeTransformationError('Unknown proto_type: %s' % proto_type) + + +class EnumDescriptor(_NestedDescriptorBase): + + """Descriptor for an enum defined in a .proto file. + + Attributes: + name (str): Name of the enum type. + full_name (str): Full name of the type, including package name + and any enclosing type(s). + + values (list[EnumValueDescriptor]): List of the values + in this enum. + values_by_name (dict(str, EnumValueDescriptor)): Same as :attr:`values`, + but indexed by the "name" field of each EnumValueDescriptor. + values_by_number (dict(int, EnumValueDescriptor)): Same as :attr:`values`, + but indexed by the "number" field of each EnumValueDescriptor. + containing_type (Descriptor): Descriptor of the immediate containing + type of this enum, or None if this is an enum defined at the + top level in a .proto file. Set by Descriptor's constructor + if we're passed into one. + file (FileDescriptor): Reference to file descriptor. + options (descriptor_pb2.EnumOptions): Enum options message or + None to use default enum options. + """ + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.EnumDescriptor + + def __new__(cls, name, full_name, filename, values, + containing_type=None, options=None, + serialized_options=None, file=None, # pylint: disable=redefined-builtin + serialized_start=None, serialized_end=None, create_key=None): + _message.Message._CheckCalledFromGeneratedFile() + return _message.default_pool.FindEnumTypeByName(full_name) + + def __init__(self, name, full_name, filename, values, + containing_type=None, options=None, + serialized_options=None, file=None, # pylint: disable=redefined-builtin + serialized_start=None, serialized_end=None, create_key=None): + """Arguments are as described in the attribute description above. + + Note that filename is an obsolete argument, that is not used anymore. + Please use file.name to access this as an attribute. + """ + if create_key is not _internal_create_key: + _Deprecated('EnumDescriptor') + + super(EnumDescriptor, self).__init__( + options, 'EnumOptions', name, full_name, file, + containing_type, serialized_start=serialized_start, + serialized_end=serialized_end, serialized_options=serialized_options) + + self.values = values + for value in self.values: + value.type = self + self.values_by_name = dict((v.name, v) for v in values) + # Values are reversed to ensure that the first alias is retained. + self.values_by_number = dict((v.number, v) for v in reversed(values)) + + def CopyToProto(self, proto): + """Copies this to a descriptor_pb2.EnumDescriptorProto. + + Args: + proto (descriptor_pb2.EnumDescriptorProto): An empty descriptor proto. + """ + # This function is overridden to give a better doc comment. + super(EnumDescriptor, self).CopyToProto(proto) + + +class EnumValueDescriptor(DescriptorBase): + + """Descriptor for a single value within an enum. + + Attributes: + name (str): Name of this value. + index (int): Dense, 0-indexed index giving the order that this + value appears textually within its enum in the .proto file. + number (int): Actual number assigned to this enum value. + type (EnumDescriptor): :class:`EnumDescriptor` to which this value + belongs. Set by :class:`EnumDescriptor`'s constructor if we're + passed into one. + options (descriptor_pb2.EnumValueOptions): Enum value options message or + None to use default enum value options options. + """ + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.EnumValueDescriptor + + def __new__(cls, name, index, number, + type=None, # pylint: disable=redefined-builtin + options=None, serialized_options=None, create_key=None): + _message.Message._CheckCalledFromGeneratedFile() + # There is no way we can build a complete EnumValueDescriptor with the + # given parameters (the name of the Enum is not known, for example). + # Fortunately generated files just pass it to the EnumDescriptor() + # constructor, which will ignore it, so returning None is good enough. + return None + + def __init__(self, name, index, number, + type=None, # pylint: disable=redefined-builtin + options=None, serialized_options=None, create_key=None): + """Arguments are as described in the attribute description above.""" + if create_key is not _internal_create_key: + _Deprecated('EnumValueDescriptor') + + super(EnumValueDescriptor, self).__init__( + options, serialized_options, 'EnumValueOptions') + self.name = name + self.index = index + self.number = number + self.type = type + + +class OneofDescriptor(DescriptorBase): + """Descriptor for a oneof field. + + Attributes: + name (str): Name of the oneof field. + full_name (str): Full name of the oneof field, including package name. + index (int): 0-based index giving the order of the oneof field inside + its containing type. + containing_type (Descriptor): :class:`Descriptor` of the protocol message + type that contains this field. Set by the :class:`Descriptor` constructor + if we're passed into one. + fields (list[FieldDescriptor]): The list of field descriptors this + oneof can contain. + """ + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.OneofDescriptor + + def __new__( + cls, name, full_name, index, containing_type, fields, options=None, + serialized_options=None, create_key=None): + _message.Message._CheckCalledFromGeneratedFile() + return _message.default_pool.FindOneofByName(full_name) + + def __init__( + self, name, full_name, index, containing_type, fields, options=None, + serialized_options=None, create_key=None): + """Arguments are as described in the attribute description above.""" + if create_key is not _internal_create_key: + _Deprecated('OneofDescriptor') + + super(OneofDescriptor, self).__init__( + options, serialized_options, 'OneofOptions') + self.name = name + self.full_name = full_name + self.index = index + self.containing_type = containing_type + self.fields = fields + + +class ServiceDescriptor(_NestedDescriptorBase): + + """Descriptor for a service. + + Attributes: + name (str): Name of the service. + full_name (str): Full name of the service, including package name. + index (int): 0-indexed index giving the order that this services + definition appears within the .proto file. + methods (list[MethodDescriptor]): List of methods provided by this + service. + methods_by_name (dict(str, MethodDescriptor)): Same + :class:`MethodDescriptor` objects as in :attr:`methods_by_name`, but + indexed by "name" attribute in each :class:`MethodDescriptor`. + options (descriptor_pb2.ServiceOptions): Service options message or + None to use default service options. + file (FileDescriptor): Reference to file info. + """ + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.ServiceDescriptor + + def __new__( + cls, + name=None, + full_name=None, + index=None, + methods=None, + options=None, + serialized_options=None, + file=None, # pylint: disable=redefined-builtin + serialized_start=None, + serialized_end=None, + create_key=None): + _message.Message._CheckCalledFromGeneratedFile() # pylint: disable=protected-access + return _message.default_pool.FindServiceByName(full_name) + + def __init__(self, name, full_name, index, methods, options=None, + serialized_options=None, file=None, # pylint: disable=redefined-builtin + serialized_start=None, serialized_end=None, create_key=None): + if create_key is not _internal_create_key: + _Deprecated('ServiceDescriptor') + + super(ServiceDescriptor, self).__init__( + options, 'ServiceOptions', name, full_name, file, + None, serialized_start=serialized_start, + serialized_end=serialized_end, serialized_options=serialized_options) + self.index = index + self.methods = methods + self.methods_by_name = dict((m.name, m) for m in methods) + # Set the containing service for each method in this service. + for method in self.methods: + method.containing_service = self + + def FindMethodByName(self, name): + """Searches for the specified method, and returns its descriptor. + + Args: + name (str): Name of the method. + Returns: + MethodDescriptor or None: the descriptor for the requested method, if + found. + """ + return self.methods_by_name.get(name, None) + + def CopyToProto(self, proto): + """Copies this to a descriptor_pb2.ServiceDescriptorProto. + + Args: + proto (descriptor_pb2.ServiceDescriptorProto): An empty descriptor proto. + """ + # This function is overridden to give a better doc comment. + super(ServiceDescriptor, self).CopyToProto(proto) + + +class MethodDescriptor(DescriptorBase): + + """Descriptor for a method in a service. + + Attributes: + name (str): Name of the method within the service. + full_name (str): Full name of method. + index (int): 0-indexed index of the method inside the service. + containing_service (ServiceDescriptor): The service that contains this + method. + input_type (Descriptor): The descriptor of the message that this method + accepts. + output_type (Descriptor): The descriptor of the message that this method + returns. + client_streaming (bool): Whether this method uses client streaming. + server_streaming (bool): Whether this method uses server streaming. + options (descriptor_pb2.MethodOptions or None): Method options message, or + None to use default method options. + """ + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.MethodDescriptor + + def __new__(cls, + name, + full_name, + index, + containing_service, + input_type, + output_type, + client_streaming=False, + server_streaming=False, + options=None, + serialized_options=None, + create_key=None): + _message.Message._CheckCalledFromGeneratedFile() # pylint: disable=protected-access + return _message.default_pool.FindMethodByName(full_name) + + def __init__(self, + name, + full_name, + index, + containing_service, + input_type, + output_type, + client_streaming=False, + server_streaming=False, + options=None, + serialized_options=None, + create_key=None): + """The arguments are as described in the description of MethodDescriptor + attributes above. + + Note that containing_service may be None, and may be set later if necessary. + """ + if create_key is not _internal_create_key: + _Deprecated('MethodDescriptor') + + super(MethodDescriptor, self).__init__( + options, serialized_options, 'MethodOptions') + self.name = name + self.full_name = full_name + self.index = index + self.containing_service = containing_service + self.input_type = input_type + self.output_type = output_type + self.client_streaming = client_streaming + self.server_streaming = server_streaming + + def CopyToProto(self, proto): + """Copies this to a descriptor_pb2.MethodDescriptorProto. + + Args: + proto (descriptor_pb2.MethodDescriptorProto): An empty descriptor proto. + + Raises: + Error: If self couldn't be serialized, due to too few constructor + arguments. + """ + if self.containing_service is not None: + from google.protobuf import descriptor_pb2 + service_proto = descriptor_pb2.ServiceDescriptorProto() + self.containing_service.CopyToProto(service_proto) + proto.CopyFrom(service_proto.method[self.index]) + else: + raise Error('Descriptor does not contain a service.') + + +class FileDescriptor(DescriptorBase): + """Descriptor for a file. Mimics the descriptor_pb2.FileDescriptorProto. + + Note that :attr:`enum_types_by_name`, :attr:`extensions_by_name`, and + :attr:`dependencies` fields are only set by the + :py:mod:`google.protobuf.message_factory` module, and not by the generated + proto code. + + Attributes: + name (str): Name of file, relative to root of source tree. + package (str): Name of the package + syntax (str): string indicating syntax of the file (can be "proto2" or + "proto3") + serialized_pb (bytes): Byte string of serialized + :class:`descriptor_pb2.FileDescriptorProto`. + dependencies (list[FileDescriptor]): List of other :class:`FileDescriptor` + objects this :class:`FileDescriptor` depends on. + public_dependencies (list[FileDescriptor]): A subset of + :attr:`dependencies`, which were declared as "public". + message_types_by_name (dict(str, Descriptor)): Mapping from message names + to their :class:`Descriptor`. + enum_types_by_name (dict(str, EnumDescriptor)): Mapping from enum names to + their :class:`EnumDescriptor`. + extensions_by_name (dict(str, FieldDescriptor)): Mapping from extension + names declared at file scope to their :class:`FieldDescriptor`. + services_by_name (dict(str, ServiceDescriptor)): Mapping from services' + names to their :class:`ServiceDescriptor`. + pool (DescriptorPool): The pool this descriptor belongs to. When not + passed to the constructor, the global default pool is used. + """ + + if _USE_C_DESCRIPTORS: + _C_DESCRIPTOR_CLASS = _message.FileDescriptor + + def __new__(cls, name, package, options=None, + serialized_options=None, serialized_pb=None, + dependencies=None, public_dependencies=None, + syntax=None, pool=None, create_key=None): + # FileDescriptor() is called from various places, not only from generated + # files, to register dynamic proto files and messages. + # pylint: disable=g-explicit-bool-comparison + if serialized_pb == b'': + # Cpp generated code must be linked in if serialized_pb is '' + try: + return _message.default_pool.FindFileByName(name) + except KeyError: + raise RuntimeError('Please link in cpp generated lib for %s' % (name)) + elif serialized_pb: + return _message.default_pool.AddSerializedFile(serialized_pb) + else: + return super(FileDescriptor, cls).__new__(cls) + + def __init__(self, name, package, options=None, + serialized_options=None, serialized_pb=None, + dependencies=None, public_dependencies=None, + syntax=None, pool=None, create_key=None): + """Constructor.""" + if create_key is not _internal_create_key: + _Deprecated('FileDescriptor') + + super(FileDescriptor, self).__init__( + options, serialized_options, 'FileOptions') + + if pool is None: + from google.protobuf import descriptor_pool + pool = descriptor_pool.Default() + self.pool = pool + self.message_types_by_name = {} + self.name = name + self.package = package + self.syntax = syntax or "proto2" + self.serialized_pb = serialized_pb + + self.enum_types_by_name = {} + self.extensions_by_name = {} + self.services_by_name = {} + self.dependencies = (dependencies or []) + self.public_dependencies = (public_dependencies or []) + + def CopyToProto(self, proto): + """Copies this to a descriptor_pb2.FileDescriptorProto. + + Args: + proto: An empty descriptor_pb2.FileDescriptorProto. + """ + proto.ParseFromString(self.serialized_pb) + + +def _ParseOptions(message, string): + """Parses serialized options. + + This helper function is used to parse serialized options in generated + proto2 files. It must not be used outside proto2. + """ + message.ParseFromString(string) + return message + + +def _ToCamelCase(name): + """Converts name to camel-case and returns it.""" + capitalize_next = False + result = [] + + for c in name: + if c == '_': + if result: + capitalize_next = True + elif capitalize_next: + result.append(c.upper()) + capitalize_next = False + else: + result += c + + # Lower-case the first letter. + if result and result[0].isupper(): + result[0] = result[0].lower() + return ''.join(result) + + +def _OptionsOrNone(descriptor_proto): + """Returns the value of the field `options`, or None if it is not set.""" + if descriptor_proto.HasField('options'): + return descriptor_proto.options + else: + return None + + +def _ToJsonName(name): + """Converts name to Json name and returns it.""" + capitalize_next = False + result = [] + + for c in name: + if c == '_': + capitalize_next = True + elif capitalize_next: + result.append(c.upper()) + capitalize_next = False + else: + result += c + + return ''.join(result) + + +def MakeDescriptor(desc_proto, package='', build_file_if_cpp=True, + syntax=None): + """Make a protobuf Descriptor given a DescriptorProto protobuf. + + Handles nested descriptors. Note that this is limited to the scope of defining + a message inside of another message. Composite fields can currently only be + resolved if the message is defined in the same scope as the field. + + Args: + desc_proto: The descriptor_pb2.DescriptorProto protobuf message. + package: Optional package name for the new message Descriptor (string). + build_file_if_cpp: Update the C++ descriptor pool if api matches. + Set to False on recursion, so no duplicates are created. + syntax: The syntax/semantics that should be used. Set to "proto3" to get + proto3 field presence semantics. + Returns: + A Descriptor for protobuf messages. + """ + if api_implementation.Type() != 'python' and build_file_if_cpp: + # The C++ implementation requires all descriptors to be backed by the same + # definition in the C++ descriptor pool. To do this, we build a + # FileDescriptorProto with the same definition as this descriptor and build + # it into the pool. + from google.protobuf import descriptor_pb2 + file_descriptor_proto = descriptor_pb2.FileDescriptorProto() + file_descriptor_proto.message_type.add().MergeFrom(desc_proto) + + # Generate a random name for this proto file to prevent conflicts with any + # imported ones. We need to specify a file name so the descriptor pool + # accepts our FileDescriptorProto, but it is not important what that file + # name is actually set to. + proto_name = binascii.hexlify(os.urandom(16)).decode('ascii') + + if package: + file_descriptor_proto.name = os.path.join(package.replace('.', '/'), + proto_name + '.proto') + file_descriptor_proto.package = package + else: + file_descriptor_proto.name = proto_name + '.proto' + + _message.default_pool.Add(file_descriptor_proto) + result = _message.default_pool.FindFileByName(file_descriptor_proto.name) + + if _USE_C_DESCRIPTORS: + return result.message_types_by_name[desc_proto.name] + + full_message_name = [desc_proto.name] + if package: full_message_name.insert(0, package) + + # Create Descriptors for enum types + enum_types = {} + for enum_proto in desc_proto.enum_type: + full_name = '.'.join(full_message_name + [enum_proto.name]) + enum_desc = EnumDescriptor( + enum_proto.name, full_name, None, [ + EnumValueDescriptor(enum_val.name, ii, enum_val.number, + create_key=_internal_create_key) + for ii, enum_val in enumerate(enum_proto.value)], + create_key=_internal_create_key) + enum_types[full_name] = enum_desc + + # Create Descriptors for nested types + nested_types = {} + for nested_proto in desc_proto.nested_type: + full_name = '.'.join(full_message_name + [nested_proto.name]) + # Nested types are just those defined inside of the message, not all types + # used by fields in the message, so no loops are possible here. + nested_desc = MakeDescriptor(nested_proto, + package='.'.join(full_message_name), + build_file_if_cpp=False, + syntax=syntax) + nested_types[full_name] = nested_desc + + fields = [] + for field_proto in desc_proto.field: + full_name = '.'.join(full_message_name + [field_proto.name]) + enum_desc = None + nested_desc = None + if field_proto.json_name: + json_name = field_proto.json_name + else: + json_name = None + if field_proto.HasField('type_name'): + type_name = field_proto.type_name + full_type_name = '.'.join(full_message_name + + [type_name[type_name.rfind('.')+1:]]) + if full_type_name in nested_types: + nested_desc = nested_types[full_type_name] + elif full_type_name in enum_types: + enum_desc = enum_types[full_type_name] + # Else type_name references a non-local type, which isn't implemented + field = FieldDescriptor( + field_proto.name, full_name, field_proto.number - 1, + field_proto.number, field_proto.type, + FieldDescriptor.ProtoTypeToCppProtoType(field_proto.type), + field_proto.label, None, nested_desc, enum_desc, None, False, None, + options=_OptionsOrNone(field_proto), has_default_value=False, + json_name=json_name, create_key=_internal_create_key) + fields.append(field) + + desc_name = '.'.join(full_message_name) + return Descriptor(desc_proto.name, desc_name, None, None, fields, + list(nested_types.values()), list(enum_types.values()), [], + options=_OptionsOrNone(desc_proto), + create_key=_internal_create_key) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py b/venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py new file mode 100644 index 0000000..073eddc --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py @@ -0,0 +1,177 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Provides a container for DescriptorProtos.""" + +__author__ = 'matthewtoia@google.com (Matt Toia)' + +import warnings + + +class Error(Exception): + pass + + +class DescriptorDatabaseConflictingDefinitionError(Error): + """Raised when a proto is added with the same name & different descriptor.""" + + +class DescriptorDatabase(object): + """A container accepting FileDescriptorProtos and maps DescriptorProtos.""" + + def __init__(self): + self._file_desc_protos_by_file = {} + self._file_desc_protos_by_symbol = {} + + def Add(self, file_desc_proto): + """Adds the FileDescriptorProto and its types to this database. + + Args: + file_desc_proto: The FileDescriptorProto to add. + Raises: + DescriptorDatabaseConflictingDefinitionError: if an attempt is made to + add a proto with the same name but different definition than an + existing proto in the database. + """ + proto_name = file_desc_proto.name + if proto_name not in self._file_desc_protos_by_file: + self._file_desc_protos_by_file[proto_name] = file_desc_proto + elif self._file_desc_protos_by_file[proto_name] != file_desc_proto: + raise DescriptorDatabaseConflictingDefinitionError( + '%s already added, but with different descriptor.' % proto_name) + else: + return + + # Add all the top-level descriptors to the index. + package = file_desc_proto.package + for message in file_desc_proto.message_type: + for name in _ExtractSymbols(message, package): + self._AddSymbol(name, file_desc_proto) + for enum in file_desc_proto.enum_type: + self._AddSymbol(('.'.join((package, enum.name))), file_desc_proto) + for enum_value in enum.value: + self._file_desc_protos_by_symbol[ + '.'.join((package, enum_value.name))] = file_desc_proto + for extension in file_desc_proto.extension: + self._AddSymbol(('.'.join((package, extension.name))), file_desc_proto) + for service in file_desc_proto.service: + self._AddSymbol(('.'.join((package, service.name))), file_desc_proto) + + def FindFileByName(self, name): + """Finds the file descriptor proto by file name. + + Typically the file name is a relative path ending to a .proto file. The + proto with the given name will have to have been added to this database + using the Add method or else an error will be raised. + + Args: + name: The file name to find. + + Returns: + The file descriptor proto matching the name. + + Raises: + KeyError if no file by the given name was added. + """ + + return self._file_desc_protos_by_file[name] + + def FindFileContainingSymbol(self, symbol): + """Finds the file descriptor proto containing the specified symbol. + + The symbol should be a fully qualified name including the file descriptor's + package and any containing messages. Some examples: + + 'some.package.name.Message' + 'some.package.name.Message.NestedEnum' + 'some.package.name.Message.some_field' + + The file descriptor proto containing the specified symbol must be added to + this database using the Add method or else an error will be raised. + + Args: + symbol: The fully qualified symbol name. + + Returns: + The file descriptor proto containing the symbol. + + Raises: + KeyError if no file contains the specified symbol. + """ + try: + return self._file_desc_protos_by_symbol[symbol] + except KeyError: + # Fields, enum values, and nested extensions are not in + # _file_desc_protos_by_symbol. Try to find the top level + # descriptor. Non-existent nested symbol under a valid top level + # descriptor can also be found. The behavior is the same with + # protobuf C++. + top_level, _, _ = symbol.rpartition('.') + try: + return self._file_desc_protos_by_symbol[top_level] + except KeyError: + # Raise the original symbol as a KeyError for better diagnostics. + raise KeyError(symbol) + + def FindFileContainingExtension(self, extendee_name, extension_number): + # TODO(jieluo): implement this API. + return None + + def FindAllExtensionNumbers(self, extendee_name): + # TODO(jieluo): implement this API. + return [] + + def _AddSymbol(self, name, file_desc_proto): + if name in self._file_desc_protos_by_symbol: + warn_msg = ('Conflict register for file "' + file_desc_proto.name + + '": ' + name + + ' is already defined in file "' + + self._file_desc_protos_by_symbol[name].name + '"') + warnings.warn(warn_msg, RuntimeWarning) + self._file_desc_protos_by_symbol[name] = file_desc_proto + + +def _ExtractSymbols(desc_proto, package): + """Pulls out all the symbols from a descriptor proto. + + Args: + desc_proto: The proto to extract symbols from. + package: The package containing the descriptor type. + + Yields: + The fully qualified name found in the descriptor. + """ + message_name = package + '.' + desc_proto.name if package else desc_proto.name + yield message_name + for nested_type in desc_proto.nested_type: + for symbol in _ExtractSymbols(nested_type, message_name): + yield symbol + for enum_type in desc_proto.enum_type: + yield '.'.join((message_name, enum_type.name)) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/descriptor_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/descriptor_pb2.py new file mode 100644 index 0000000..2eaeb7d --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/descriptor_pb2.py @@ -0,0 +1,1925 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/descriptor.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +if _descriptor._USE_C_DESCRIPTORS == False: + DESCRIPTOR = _descriptor.FileDescriptor( + name='google/protobuf/descriptor.proto', + package='google.protobuf', + syntax='proto2', + serialized_options=None, + create_key=_descriptor._internal_create_key, + serialized_pb=b'\n google/protobuf/descriptor.proto\x12\x0fgoogle.protobuf\"M\n\x11\x46ileDescriptorSet\x12\x38\n\x04\x66ile\x18\x01 \x03(\x0b\x32$.google.protobuf.FileDescriptorProtoR\x04\x66ile\"\xe4\x04\n\x13\x46ileDescriptorProto\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12\x18\n\x07package\x18\x02 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_descriptor.FieldDescriptor( + name='py_generic_services', full_name='google.protobuf.FileOptions.py_generic_services', index=9, + number=18, type=8, cpp_type=7, label=1, + has_default_value=True, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='pyGenericServices', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='php_generic_services', full_name='google.protobuf.FileOptions.php_generic_services', index=10, + number=42, type=8, cpp_type=7, label=1, + has_default_value=True, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='phpGenericServices', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='deprecated', full_name='google.protobuf.FileOptions.deprecated', 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serialized_options=None, json_name='swiftPrefix', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='php_class_prefix', full_name='google.protobuf.FileOptions.php_class_prefix', index=16, + number=40, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='phpClassPrefix', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='php_namespace', full_name='google.protobuf.FileOptions.php_namespace', index=17, + number=41, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='phpNamespace', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='php_metadata_namespace', full_name='google.protobuf.FileOptions.php_metadata_namespace', index=18, + number=44, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='phpMetadataNamespace', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='ruby_package', full_name='google.protobuf.FileOptions.ruby_package', index=19, + number=45, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='rubyPackage', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='uninterpreted_option', full_name='google.protobuf.FileOptions.uninterpreted_option', index=20, + number=999, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='uninterpretedOption', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + _FILEOPTIONS_OPTIMIZEMODE, + ], + serialized_options=None, + is_extendable=True, + syntax='proto2', + extension_ranges=[(1000, 536870912), ], + oneofs=[ + ], + ) + + + _MESSAGEOPTIONS = _descriptor.Descriptor( + name='MessageOptions', + full_name='google.protobuf.MessageOptions', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='message_set_wire_format', 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type=8, cpp_type=7, label=1, + has_default_value=True, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='deprecated', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='map_entry', full_name='google.protobuf.MessageOptions.map_entry', index=3, + number=7, type=8, cpp_type=7, label=1, + has_default_value=False, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='mapEntry', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='uninterpreted_option', full_name='google.protobuf.MessageOptions.uninterpreted_option', index=4, + number=999, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='uninterpretedOption', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + ], + serialized_options=None, + is_extendable=True, + syntax='proto2', + extension_ranges=[(1000, 536870912), ], + oneofs=[ + ], + ) + + + _FIELDOPTIONS = _descriptor.Descriptor( + name='FieldOptions', + full_name='google.protobuf.FieldOptions', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='ctype', full_name='google.protobuf.FieldOptions.ctype', index=0, + number=1, type=14, cpp_type=8, label=1, + has_default_value=True, default_value=0, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='ctype', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='packed', full_name='google.protobuf.FieldOptions.packed', index=1, + number=2, type=8, cpp_type=7, label=1, + has_default_value=False, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='packed', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='jstype', full_name='google.protobuf.FieldOptions.jstype', index=2, + number=6, type=14, cpp_type=8, label=1, + has_default_value=True, default_value=0, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='jstype', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='lazy', full_name='google.protobuf.FieldOptions.lazy', index=3, + number=5, type=8, cpp_type=7, label=1, + has_default_value=True, default_value=False, 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file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='weak', full_name='google.protobuf.FieldOptions.weak', index=6, + number=10, type=8, cpp_type=7, label=1, + has_default_value=True, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='weak', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='uninterpreted_option', full_name='google.protobuf.FieldOptions.uninterpreted_option', index=7, + number=999, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='uninterpretedOption', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + _FIELDOPTIONS_CTYPE, + _FIELDOPTIONS_JSTYPE, + ], + serialized_options=None, + is_extendable=True, + syntax='proto2', + extension_ranges=[(1000, 536870912), ], + oneofs=[ + ], + ) + + + _ONEOFOPTIONS = _descriptor.Descriptor( + name='OneofOptions', + full_name='google.protobuf.OneofOptions', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='uninterpreted_option', full_name='google.protobuf.OneofOptions.uninterpreted_option', index=0, + number=999, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='uninterpretedOption', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + ], + serialized_options=None, + is_extendable=True, + syntax='proto2', + extension_ranges=[(1000, 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serialized_options=None, json_name='deprecated', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='uninterpreted_option', full_name='google.protobuf.EnumOptions.uninterpreted_option', index=2, + number=999, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='uninterpretedOption', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + ], + serialized_options=None, + is_extendable=True, + syntax='proto2', + extension_ranges=[(1000, 536870912), ], + oneofs=[ + ], + ) + + + _ENUMVALUEOPTIONS = _descriptor.Descriptor( + name='EnumValueOptions', + full_name='google.protobuf.EnumValueOptions', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='deprecated', full_name='google.protobuf.EnumValueOptions.deprecated', index=0, + number=1, type=8, cpp_type=7, label=1, + has_default_value=True, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='deprecated', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='uninterpreted_option', full_name='google.protobuf.EnumValueOptions.uninterpreted_option', index=1, + number=999, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='uninterpretedOption', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + ], + serialized_options=None, + is_extendable=True, + syntax='proto2', + extension_ranges=[(1000, 536870912), ], + oneofs=[ + ], + ) + + + _SERVICEOPTIONS = _descriptor.Descriptor( + name='ServiceOptions', + full_name='google.protobuf.ServiceOptions', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='deprecated', full_name='google.protobuf.ServiceOptions.deprecated', index=0, + number=33, type=8, cpp_type=7, label=1, + has_default_value=True, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='deprecated', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='uninterpreted_option', full_name='google.protobuf.ServiceOptions.uninterpreted_option', index=1, + number=999, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, 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index=1, + number=2, type=8, cpp_type=7, label=2, + has_default_value=False, default_value=False, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='isExtension', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + ], + serialized_options=None, + is_extendable=False, + syntax='proto2', + extension_ranges=[], + oneofs=[ + ], + ) + + _UNINTERPRETEDOPTION = _descriptor.Descriptor( + name='UninterpretedOption', + full_name='google.protobuf.UninterpretedOption', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='name', full_name='google.protobuf.UninterpretedOption.name', index=0, + number=2, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='name', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='identifier_value', full_name='google.protobuf.UninterpretedOption.identifier_value', index=1, + number=3, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='identifierValue', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='positive_int_value', full_name='google.protobuf.UninterpretedOption.positive_int_value', index=2, + number=4, type=4, cpp_type=4, label=1, + has_default_value=False, default_value=0, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='positiveIntValue', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='negative_int_value', full_name='google.protobuf.UninterpretedOption.negative_int_value', index=3, + number=5, type=3, cpp_type=2, label=1, + has_default_value=False, default_value=0, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='negativeIntValue', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='double_value', full_name='google.protobuf.UninterpretedOption.double_value', index=4, + number=6, type=1, cpp_type=5, label=1, + has_default_value=False, default_value=float(0), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='doubleValue', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='string_value', full_name='google.protobuf.UninterpretedOption.string_value', index=5, + number=7, type=12, cpp_type=9, label=1, + has_default_value=False, default_value=b"", + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='stringValue', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='aggregate_value', full_name='google.protobuf.UninterpretedOption.aggregate_value', index=6, + number=8, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='aggregateValue', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[_UNINTERPRETEDOPTION_NAMEPART, ], + enum_types=[ + ], + serialized_options=None, + is_extendable=False, + syntax='proto2', + extension_ranges=[], + oneofs=[ + ], + ) + + + _SOURCECODEINFO_LOCATION = _descriptor.Descriptor( + name='Location', + full_name='google.protobuf.SourceCodeInfo.Location', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='path', full_name='google.protobuf.SourceCodeInfo.Location.path', index=0, + number=1, type=5, cpp_type=1, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='path', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='span', full_name='google.protobuf.SourceCodeInfo.Location.span', index=1, + number=2, type=5, cpp_type=1, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='span', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='leading_comments', full_name='google.protobuf.SourceCodeInfo.Location.leading_comments', index=2, + number=3, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='leadingComments', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='trailing_comments', full_name='google.protobuf.SourceCodeInfo.Location.trailing_comments', index=3, + number=4, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='trailingComments', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='leading_detached_comments', full_name='google.protobuf.SourceCodeInfo.Location.leading_detached_comments', index=4, + number=6, type=9, cpp_type=9, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='leadingDetachedComments', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + ], + serialized_options=None, + is_extendable=False, + syntax='proto2', + extension_ranges=[], + oneofs=[ + ], + ) + + _SOURCECODEINFO = _descriptor.Descriptor( + name='SourceCodeInfo', + full_name='google.protobuf.SourceCodeInfo', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='location', full_name='google.protobuf.SourceCodeInfo.location', index=0, + number=1, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='location', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[_SOURCECODEINFO_LOCATION, ], + enum_types=[ + ], + serialized_options=None, + is_extendable=False, + syntax='proto2', + extension_ranges=[], + oneofs=[ + ], + ) + + + _GENERATEDCODEINFO_ANNOTATION = _descriptor.Descriptor( + name='Annotation', + full_name='google.protobuf.GeneratedCodeInfo.Annotation', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='path', full_name='google.protobuf.GeneratedCodeInfo.Annotation.path', index=0, + number=1, type=5, cpp_type=1, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='path', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='source_file', full_name='google.protobuf.GeneratedCodeInfo.Annotation.source_file', index=1, + number=2, type=9, cpp_type=9, label=1, + has_default_value=False, default_value=b"".decode('utf-8'), + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='sourceFile', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='begin', full_name='google.protobuf.GeneratedCodeInfo.Annotation.begin', index=2, + number=3, type=5, cpp_type=1, label=1, + has_default_value=False, default_value=0, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='begin', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + _descriptor.FieldDescriptor( + name='end', full_name='google.protobuf.GeneratedCodeInfo.Annotation.end', index=3, + number=4, type=5, cpp_type=1, label=1, + has_default_value=False, default_value=0, + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='end', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[], + enum_types=[ + ], + serialized_options=None, + is_extendable=False, + syntax='proto2', + extension_ranges=[], + oneofs=[ + ], + ) + + _GENERATEDCODEINFO = _descriptor.Descriptor( + name='GeneratedCodeInfo', + full_name='google.protobuf.GeneratedCodeInfo', + filename=None, + file=DESCRIPTOR, + containing_type=None, + create_key=_descriptor._internal_create_key, + fields=[ + _descriptor.FieldDescriptor( + name='annotation', full_name='google.protobuf.GeneratedCodeInfo.annotation', index=0, + number=1, type=11, cpp_type=10, label=3, + has_default_value=False, default_value=[], + message_type=None, enum_type=None, containing_type=None, + is_extension=False, extension_scope=None, + serialized_options=None, json_name='annotation', file=DESCRIPTOR, create_key=_descriptor._internal_create_key), + ], + extensions=[ + ], + nested_types=[_GENERATEDCODEINFO_ANNOTATION, ], + enum_types=[ + ], + serialized_options=None, + is_extendable=False, + syntax='proto2', + extension_ranges=[], + oneofs=[ + ], + ) + + _FILEDESCRIPTORSET.fields_by_name['file'].message_type = _FILEDESCRIPTORPROTO + _FILEDESCRIPTORPROTO.fields_by_name['message_type'].message_type = _DESCRIPTORPROTO + _FILEDESCRIPTORPROTO.fields_by_name['enum_type'].message_type = _ENUMDESCRIPTORPROTO + _FILEDESCRIPTORPROTO.fields_by_name['service'].message_type = _SERVICEDESCRIPTORPROTO + _FILEDESCRIPTORPROTO.fields_by_name['extension'].message_type = _FIELDDESCRIPTORPROTO + _FILEDESCRIPTORPROTO.fields_by_name['options'].message_type = _FILEOPTIONS + _FILEDESCRIPTORPROTO.fields_by_name['source_code_info'].message_type = _SOURCECODEINFO + _DESCRIPTORPROTO_EXTENSIONRANGE.fields_by_name['options'].message_type = _EXTENSIONRANGEOPTIONS + _DESCRIPTORPROTO_EXTENSIONRANGE.containing_type = _DESCRIPTORPROTO + _DESCRIPTORPROTO_RESERVEDRANGE.containing_type = _DESCRIPTORPROTO + _DESCRIPTORPROTO.fields_by_name['field'].message_type = _FIELDDESCRIPTORPROTO + _DESCRIPTORPROTO.fields_by_name['extension'].message_type = _FIELDDESCRIPTORPROTO + _DESCRIPTORPROTO.fields_by_name['nested_type'].message_type = _DESCRIPTORPROTO + _DESCRIPTORPROTO.fields_by_name['enum_type'].message_type = _ENUMDESCRIPTORPROTO + _DESCRIPTORPROTO.fields_by_name['extension_range'].message_type = _DESCRIPTORPROTO_EXTENSIONRANGE + _DESCRIPTORPROTO.fields_by_name['oneof_decl'].message_type = _ONEOFDESCRIPTORPROTO + _DESCRIPTORPROTO.fields_by_name['options'].message_type = _MESSAGEOPTIONS + _DESCRIPTORPROTO.fields_by_name['reserved_range'].message_type = _DESCRIPTORPROTO_RESERVEDRANGE + _EXTENSIONRANGEOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _FIELDDESCRIPTORPROTO.fields_by_name['label'].enum_type = _FIELDDESCRIPTORPROTO_LABEL + _FIELDDESCRIPTORPROTO.fields_by_name['type'].enum_type = _FIELDDESCRIPTORPROTO_TYPE + _FIELDDESCRIPTORPROTO.fields_by_name['options'].message_type = _FIELDOPTIONS + _FIELDDESCRIPTORPROTO_TYPE.containing_type = _FIELDDESCRIPTORPROTO + _FIELDDESCRIPTORPROTO_LABEL.containing_type = _FIELDDESCRIPTORPROTO + _ONEOFDESCRIPTORPROTO.fields_by_name['options'].message_type = _ONEOFOPTIONS + _ENUMDESCRIPTORPROTO_ENUMRESERVEDRANGE.containing_type = _ENUMDESCRIPTORPROTO + _ENUMDESCRIPTORPROTO.fields_by_name['value'].message_type = _ENUMVALUEDESCRIPTORPROTO + _ENUMDESCRIPTORPROTO.fields_by_name['options'].message_type = _ENUMOPTIONS + _ENUMDESCRIPTORPROTO.fields_by_name['reserved_range'].message_type = _ENUMDESCRIPTORPROTO_ENUMRESERVEDRANGE + _ENUMVALUEDESCRIPTORPROTO.fields_by_name['options'].message_type = _ENUMVALUEOPTIONS + _SERVICEDESCRIPTORPROTO.fields_by_name['method'].message_type = _METHODDESCRIPTORPROTO + _SERVICEDESCRIPTORPROTO.fields_by_name['options'].message_type = _SERVICEOPTIONS + _METHODDESCRIPTORPROTO.fields_by_name['options'].message_type = _METHODOPTIONS + _FILEOPTIONS.fields_by_name['optimize_for'].enum_type = _FILEOPTIONS_OPTIMIZEMODE + _FILEOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _FILEOPTIONS_OPTIMIZEMODE.containing_type = _FILEOPTIONS + _MESSAGEOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _FIELDOPTIONS.fields_by_name['ctype'].enum_type = _FIELDOPTIONS_CTYPE + _FIELDOPTIONS.fields_by_name['jstype'].enum_type = _FIELDOPTIONS_JSTYPE + _FIELDOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _FIELDOPTIONS_CTYPE.containing_type = _FIELDOPTIONS + _FIELDOPTIONS_JSTYPE.containing_type = _FIELDOPTIONS + _ONEOFOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _ENUMOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _ENUMVALUEOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _SERVICEOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _METHODOPTIONS.fields_by_name['idempotency_level'].enum_type = _METHODOPTIONS_IDEMPOTENCYLEVEL + _METHODOPTIONS.fields_by_name['uninterpreted_option'].message_type = _UNINTERPRETEDOPTION + _METHODOPTIONS_IDEMPOTENCYLEVEL.containing_type = _METHODOPTIONS + _UNINTERPRETEDOPTION_NAMEPART.containing_type = _UNINTERPRETEDOPTION + _UNINTERPRETEDOPTION.fields_by_name['name'].message_type = _UNINTERPRETEDOPTION_NAMEPART + _SOURCECODEINFO_LOCATION.containing_type = _SOURCECODEINFO + _SOURCECODEINFO.fields_by_name['location'].message_type = _SOURCECODEINFO_LOCATION + _GENERATEDCODEINFO_ANNOTATION.containing_type = _GENERATEDCODEINFO + _GENERATEDCODEINFO.fields_by_name['annotation'].message_type = _GENERATEDCODEINFO_ANNOTATION + DESCRIPTOR.message_types_by_name['FileDescriptorSet'] = _FILEDESCRIPTORSET + DESCRIPTOR.message_types_by_name['FileDescriptorProto'] = _FILEDESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['DescriptorProto'] = _DESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['ExtensionRangeOptions'] = _EXTENSIONRANGEOPTIONS + DESCRIPTOR.message_types_by_name['FieldDescriptorProto'] = _FIELDDESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['OneofDescriptorProto'] = _ONEOFDESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['EnumDescriptorProto'] = _ENUMDESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['EnumValueDescriptorProto'] = _ENUMVALUEDESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['ServiceDescriptorProto'] = _SERVICEDESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['MethodDescriptorProto'] = _METHODDESCRIPTORPROTO + DESCRIPTOR.message_types_by_name['FileOptions'] = _FILEOPTIONS + DESCRIPTOR.message_types_by_name['MessageOptions'] = _MESSAGEOPTIONS + DESCRIPTOR.message_types_by_name['FieldOptions'] = _FIELDOPTIONS + DESCRIPTOR.message_types_by_name['OneofOptions'] = _ONEOFOPTIONS + DESCRIPTOR.message_types_by_name['EnumOptions'] = _ENUMOPTIONS + DESCRIPTOR.message_types_by_name['EnumValueOptions'] = _ENUMVALUEOPTIONS + DESCRIPTOR.message_types_by_name['ServiceOptions'] = _SERVICEOPTIONS + DESCRIPTOR.message_types_by_name['MethodOptions'] = _METHODOPTIONS + DESCRIPTOR.message_types_by_name['UninterpretedOption'] = _UNINTERPRETEDOPTION + DESCRIPTOR.message_types_by_name['SourceCodeInfo'] = _SOURCECODEINFO + DESCRIPTOR.message_types_by_name['GeneratedCodeInfo'] = _GENERATEDCODEINFO + _sym_db.RegisterFileDescriptor(DESCRIPTOR) + +else: + _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.descriptor_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + _FILEDESCRIPTORSET._serialized_start=53 + _FILEDESCRIPTORSET._serialized_end=130 + _FILEDESCRIPTORPROTO._serialized_start=133 + _FILEDESCRIPTORPROTO._serialized_end=745 + _DESCRIPTORPROTO._serialized_start=748 + _DESCRIPTORPROTO._serialized_end=1573 + _DESCRIPTORPROTO_EXTENSIONRANGE._serialized_start=1394 + _DESCRIPTORPROTO_EXTENSIONRANGE._serialized_end=1516 + _DESCRIPTORPROTO_RESERVEDRANGE._serialized_start=1518 + _DESCRIPTORPROTO_RESERVEDRANGE._serialized_end=1573 + _EXTENSIONRANGEOPTIONS._serialized_start=1575 + _EXTENSIONRANGEOPTIONS._serialized_end=1699 + _FIELDDESCRIPTORPROTO._serialized_start=1702 + _FIELDDESCRIPTORPROTO._serialized_end=2535 + _FIELDDESCRIPTORPROTO_TYPE._serialized_start=2156 + _FIELDDESCRIPTORPROTO_TYPE._serialized_end=2466 + _FIELDDESCRIPTORPROTO_LABEL._serialized_start=2468 + _FIELDDESCRIPTORPROTO_LABEL._serialized_end=2535 + _ONEOFDESCRIPTORPROTO._serialized_start=2537 + _ONEOFDESCRIPTORPROTO._serialized_end=2636 + _ENUMDESCRIPTORPROTO._serialized_start=2639 + _ENUMDESCRIPTORPROTO._serialized_end=2994 + _ENUMDESCRIPTORPROTO_ENUMRESERVEDRANGE._serialized_start=2935 + _ENUMDESCRIPTORPROTO_ENUMRESERVEDRANGE._serialized_end=2994 + _ENUMVALUEDESCRIPTORPROTO._serialized_start=2997 + _ENUMVALUEDESCRIPTORPROTO._serialized_end=3128 + _SERVICEDESCRIPTORPROTO._serialized_start=3131 + _SERVICEDESCRIPTORPROTO._serialized_end=3298 + _METHODDESCRIPTORPROTO._serialized_start=3301 + _METHODDESCRIPTORPROTO._serialized_end=3566 + _FILEOPTIONS._serialized_start=3569 + _FILEOPTIONS._serialized_end=4738 + _FILEOPTIONS_OPTIMIZEMODE._serialized_start=4663 + _FILEOPTIONS_OPTIMIZEMODE._serialized_end=4721 + _MESSAGEOPTIONS._serialized_start=4741 + _MESSAGEOPTIONS._serialized_end=5096 + _FIELDOPTIONS._serialized_start=5099 + _FIELDOPTIONS._serialized_end=5629 + _FIELDOPTIONS_CTYPE._serialized_start=5510 + _FIELDOPTIONS_CTYPE._serialized_end=5557 + _FIELDOPTIONS_JSTYPE._serialized_start=5559 + _FIELDOPTIONS_JSTYPE._serialized_end=5612 + _ONEOFOPTIONS._serialized_start=5631 + _ONEOFOPTIONS._serialized_end=5746 + _ENUMOPTIONS._serialized_start=5749 + _ENUMOPTIONS._serialized_end=5941 + _ENUMVALUEOPTIONS._serialized_start=5944 + _ENUMVALUEOPTIONS._serialized_end=6102 + _SERVICEOPTIONS._serialized_start=6105 + _SERVICEOPTIONS._serialized_end=6261 + _METHODOPTIONS._serialized_start=6264 + _METHODOPTIONS._serialized_end=6616 + _METHODOPTIONS_IDEMPOTENCYLEVEL._serialized_start=6525 + _METHODOPTIONS_IDEMPOTENCYLEVEL._serialized_end=6605 + _UNINTERPRETEDOPTION._serialized_start=6619 + _UNINTERPRETEDOPTION._serialized_end=7029 + _UNINTERPRETEDOPTION_NAMEPART._serialized_start=6955 + _UNINTERPRETEDOPTION_NAMEPART._serialized_end=7029 + _SOURCECODEINFO._serialized_start=7032 + _SOURCECODEINFO._serialized_end=7327 + _SOURCECODEINFO_LOCATION._serialized_start=7121 + _SOURCECODEINFO_LOCATION._serialized_end=7327 + _GENERATEDCODEINFO._serialized_start=7330 + _GENERATEDCODEINFO._serialized_end=7539 + _GENERATEDCODEINFO_ANNOTATION._serialized_start=7430 + _GENERATEDCODEINFO_ANNOTATION._serialized_end=7539 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/descriptor_pool.py b/venv/lib/python3.12/site-packages/google/protobuf/descriptor_pool.py new file mode 100644 index 0000000..911372a --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/descriptor_pool.py @@ -0,0 +1,1295 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Provides DescriptorPool to use as a container for proto2 descriptors. + +The DescriptorPool is used in conjection with a DescriptorDatabase to maintain +a collection of protocol buffer descriptors for use when dynamically creating +message types at runtime. + +For most applications protocol buffers should be used via modules generated by +the protocol buffer compiler tool. This should only be used when the type of +protocol buffers used in an application or library cannot be predetermined. + +Below is a straightforward example on how to use this class:: + + pool = DescriptorPool() + file_descriptor_protos = [ ... ] + for file_descriptor_proto in file_descriptor_protos: + pool.Add(file_descriptor_proto) + my_message_descriptor = pool.FindMessageTypeByName('some.package.MessageType') + +The message descriptor can be used in conjunction with the message_factory +module in order to create a protocol buffer class that can be encoded and +decoded. + +If you want to get a Python class for the specified proto, use the +helper functions inside google.protobuf.message_factory +directly instead of this class. +""" + +__author__ = 'matthewtoia@google.com (Matt Toia)' + +import collections +import warnings + +from google.protobuf import descriptor +from google.protobuf import descriptor_database +from google.protobuf import text_encoding + + +_USE_C_DESCRIPTORS = descriptor._USE_C_DESCRIPTORS # pylint: disable=protected-access + + +def _Deprecated(func): + """Mark functions as deprecated.""" + + def NewFunc(*args, **kwargs): + warnings.warn( + 'Call to deprecated function %s(). Note: Do add unlinked descriptors ' + 'to descriptor_pool is wrong. Use Add() or AddSerializedFile() ' + 'instead.' % func.__name__, + category=DeprecationWarning) + return func(*args, **kwargs) + NewFunc.__name__ = func.__name__ + NewFunc.__doc__ = func.__doc__ + NewFunc.__dict__.update(func.__dict__) + return NewFunc + + +def _NormalizeFullyQualifiedName(name): + """Remove leading period from fully-qualified type name. + + Due to b/13860351 in descriptor_database.py, types in the root namespace are + generated with a leading period. This function removes that prefix. + + Args: + name (str): The fully-qualified symbol name. + + Returns: + str: The normalized fully-qualified symbol name. + """ + return name.lstrip('.') + + +def _OptionsOrNone(descriptor_proto): + """Returns the value of the field `options`, or None if it is not set.""" + if descriptor_proto.HasField('options'): + return descriptor_proto.options + else: + return None + + +def _IsMessageSetExtension(field): + return (field.is_extension and + field.containing_type.has_options and + field.containing_type.GetOptions().message_set_wire_format and + field.type == descriptor.FieldDescriptor.TYPE_MESSAGE and + field.label == descriptor.FieldDescriptor.LABEL_OPTIONAL) + + +class DescriptorPool(object): + """A collection of protobufs dynamically constructed by descriptor protos.""" + + if _USE_C_DESCRIPTORS: + + def __new__(cls, descriptor_db=None): + # pylint: disable=protected-access + return descriptor._message.DescriptorPool(descriptor_db) + + def __init__(self, descriptor_db=None): + """Initializes a Pool of proto buffs. + + The descriptor_db argument to the constructor is provided to allow + specialized file descriptor proto lookup code to be triggered on demand. An + example would be an implementation which will read and compile a file + specified in a call to FindFileByName() and not require the call to Add() + at all. Results from this database will be cached internally here as well. + + Args: + descriptor_db: A secondary source of file descriptors. + """ + + self._internal_db = descriptor_database.DescriptorDatabase() + self._descriptor_db = descriptor_db + self._descriptors = {} + self._enum_descriptors = {} + self._service_descriptors = {} + self._file_descriptors = {} + self._toplevel_extensions = {} + # TODO(jieluo): Remove _file_desc_by_toplevel_extension after + # maybe year 2020 for compatibility issue (with 3.4.1 only). + self._file_desc_by_toplevel_extension = {} + self._top_enum_values = {} + # We store extensions in two two-level mappings: The first key is the + # descriptor of the message being extended, the second key is the extension + # full name or its tag number. + self._extensions_by_name = collections.defaultdict(dict) + self._extensions_by_number = collections.defaultdict(dict) + + def _CheckConflictRegister(self, desc, desc_name, file_name): + """Check if the descriptor name conflicts with another of the same name. + + Args: + desc: Descriptor of a message, enum, service, extension or enum value. + desc_name (str): the full name of desc. + file_name (str): The file name of descriptor. + """ + for register, descriptor_type in [ + (self._descriptors, descriptor.Descriptor), + (self._enum_descriptors, descriptor.EnumDescriptor), + (self._service_descriptors, descriptor.ServiceDescriptor), + (self._toplevel_extensions, descriptor.FieldDescriptor), + (self._top_enum_values, descriptor.EnumValueDescriptor)]: + if desc_name in register: + old_desc = register[desc_name] + if isinstance(old_desc, descriptor.EnumValueDescriptor): + old_file = old_desc.type.file.name + else: + old_file = old_desc.file.name + + if not isinstance(desc, descriptor_type) or ( + old_file != file_name): + error_msg = ('Conflict register for file "' + file_name + + '": ' + desc_name + + ' is already defined in file "' + + old_file + '". Please fix the conflict by adding ' + 'package name on the proto file, or use different ' + 'name for the duplication.') + if isinstance(desc, descriptor.EnumValueDescriptor): + error_msg += ('\nNote: enum values appear as ' + 'siblings of the enum type instead of ' + 'children of it.') + + raise TypeError(error_msg) + + return + + def Add(self, file_desc_proto): + """Adds the FileDescriptorProto and its types to this pool. + + Args: + file_desc_proto (FileDescriptorProto): The file descriptor to add. + """ + + self._internal_db.Add(file_desc_proto) + + def AddSerializedFile(self, serialized_file_desc_proto): + """Adds the FileDescriptorProto and its types to this pool. + + Args: + serialized_file_desc_proto (bytes): A bytes string, serialization of the + :class:`FileDescriptorProto` to add. + + Returns: + FileDescriptor: Descriptor for the added file. + """ + + # pylint: disable=g-import-not-at-top + from google.protobuf import descriptor_pb2 + file_desc_proto = descriptor_pb2.FileDescriptorProto.FromString( + serialized_file_desc_proto) + file_desc = self._ConvertFileProtoToFileDescriptor(file_desc_proto) + file_desc.serialized_pb = serialized_file_desc_proto + return file_desc + + # Add Descriptor to descriptor pool is dreprecated. Please use Add() + # or AddSerializedFile() to add a FileDescriptorProto instead. + @_Deprecated + def AddDescriptor(self, desc): + self._AddDescriptor(desc) + + # Never call this method. It is for internal usage only. + def _AddDescriptor(self, desc): + """Adds a Descriptor to the pool, non-recursively. + + If the Descriptor contains nested messages or enums, the caller must + explicitly register them. This method also registers the FileDescriptor + associated with the message. + + Args: + desc: A Descriptor. + """ + if not isinstance(desc, descriptor.Descriptor): + raise TypeError('Expected instance of descriptor.Descriptor.') + + self._CheckConflictRegister(desc, desc.full_name, desc.file.name) + + self._descriptors[desc.full_name] = desc + self._AddFileDescriptor(desc.file) + + # Add EnumDescriptor to descriptor pool is dreprecated. Please use Add() + # or AddSerializedFile() to add a FileDescriptorProto instead. + @_Deprecated + def AddEnumDescriptor(self, enum_desc): + self._AddEnumDescriptor(enum_desc) + + # Never call this method. It is for internal usage only. + def _AddEnumDescriptor(self, enum_desc): + """Adds an EnumDescriptor to the pool. + + This method also registers the FileDescriptor associated with the enum. + + Args: + enum_desc: An EnumDescriptor. + """ + + if not isinstance(enum_desc, descriptor.EnumDescriptor): + raise TypeError('Expected instance of descriptor.EnumDescriptor.') + + file_name = enum_desc.file.name + self._CheckConflictRegister(enum_desc, enum_desc.full_name, file_name) + self._enum_descriptors[enum_desc.full_name] = enum_desc + + # Top enum values need to be indexed. + # Count the number of dots to see whether the enum is toplevel or nested + # in a message. We cannot use enum_desc.containing_type at this stage. + if enum_desc.file.package: + top_level = (enum_desc.full_name.count('.') + - enum_desc.file.package.count('.') == 1) + else: + top_level = enum_desc.full_name.count('.') == 0 + if top_level: + file_name = enum_desc.file.name + package = enum_desc.file.package + for enum_value in enum_desc.values: + full_name = _NormalizeFullyQualifiedName( + '.'.join((package, enum_value.name))) + self._CheckConflictRegister(enum_value, full_name, file_name) + self._top_enum_values[full_name] = enum_value + self._AddFileDescriptor(enum_desc.file) + + # Add ServiceDescriptor to descriptor pool is dreprecated. Please use Add() + # or AddSerializedFile() to add a FileDescriptorProto instead. + @_Deprecated + def AddServiceDescriptor(self, service_desc): + self._AddServiceDescriptor(service_desc) + + # Never call this method. It is for internal usage only. + def _AddServiceDescriptor(self, service_desc): + """Adds a ServiceDescriptor to the pool. + + Args: + service_desc: A ServiceDescriptor. + """ + + if not isinstance(service_desc, descriptor.ServiceDescriptor): + raise TypeError('Expected instance of descriptor.ServiceDescriptor.') + + self._CheckConflictRegister(service_desc, service_desc.full_name, + service_desc.file.name) + self._service_descriptors[service_desc.full_name] = service_desc + + # Add ExtensionDescriptor to descriptor pool is dreprecated. Please use Add() + # or AddSerializedFile() to add a FileDescriptorProto instead. + @_Deprecated + def AddExtensionDescriptor(self, extension): + self._AddExtensionDescriptor(extension) + + # Never call this method. It is for internal usage only. + def _AddExtensionDescriptor(self, extension): + """Adds a FieldDescriptor describing an extension to the pool. + + Args: + extension: A FieldDescriptor. + + Raises: + AssertionError: when another extension with the same number extends the + same message. + TypeError: when the specified extension is not a + descriptor.FieldDescriptor. + """ + if not (isinstance(extension, descriptor.FieldDescriptor) and + extension.is_extension): + raise TypeError('Expected an extension descriptor.') + + if extension.extension_scope is None: + self._toplevel_extensions[extension.full_name] = extension + + try: + existing_desc = self._extensions_by_number[ + extension.containing_type][extension.number] + except KeyError: + pass + else: + if extension is not existing_desc: + raise AssertionError( + 'Extensions "%s" and "%s" both try to extend message type "%s" ' + 'with field number %d.' % + (extension.full_name, existing_desc.full_name, + extension.containing_type.full_name, extension.number)) + + self._extensions_by_number[extension.containing_type][ + extension.number] = extension + self._extensions_by_name[extension.containing_type][ + extension.full_name] = extension + + # Also register MessageSet extensions with the type name. + if _IsMessageSetExtension(extension): + self._extensions_by_name[extension.containing_type][ + extension.message_type.full_name] = extension + + @_Deprecated + def AddFileDescriptor(self, file_desc): + self._InternalAddFileDescriptor(file_desc) + + # Never call this method. It is for internal usage only. + def _InternalAddFileDescriptor(self, file_desc): + """Adds a FileDescriptor to the pool, non-recursively. + + If the FileDescriptor contains messages or enums, the caller must explicitly + register them. + + Args: + file_desc: A FileDescriptor. + """ + + self._AddFileDescriptor(file_desc) + # TODO(jieluo): This is a temporary solution for FieldDescriptor.file. + # FieldDescriptor.file is added in code gen. Remove this solution after + # maybe 2020 for compatibility reason (with 3.4.1 only). + for extension in file_desc.extensions_by_name.values(): + self._file_desc_by_toplevel_extension[ + extension.full_name] = file_desc + + def _AddFileDescriptor(self, file_desc): + """Adds a FileDescriptor to the pool, non-recursively. + + If the FileDescriptor contains messages or enums, the caller must explicitly + register them. + + Args: + file_desc: A FileDescriptor. + """ + + if not isinstance(file_desc, descriptor.FileDescriptor): + raise TypeError('Expected instance of descriptor.FileDescriptor.') + self._file_descriptors[file_desc.name] = file_desc + + def FindFileByName(self, file_name): + """Gets a FileDescriptor by file name. + + Args: + file_name (str): The path to the file to get a descriptor for. + + Returns: + FileDescriptor: The descriptor for the named file. + + Raises: + KeyError: if the file cannot be found in the pool. + """ + + try: + return self._file_descriptors[file_name] + except KeyError: + pass + + try: + file_proto = self._internal_db.FindFileByName(file_name) + except KeyError as error: + if self._descriptor_db: + file_proto = self._descriptor_db.FindFileByName(file_name) + else: + raise error + if not file_proto: + raise KeyError('Cannot find a file named %s' % file_name) + return self._ConvertFileProtoToFileDescriptor(file_proto) + + def FindFileContainingSymbol(self, symbol): + """Gets the FileDescriptor for the file containing the specified symbol. + + Args: + symbol (str): The name of the symbol to search for. + + Returns: + FileDescriptor: Descriptor for the file that contains the specified + symbol. + + Raises: + KeyError: if the file cannot be found in the pool. + """ + + symbol = _NormalizeFullyQualifiedName(symbol) + try: + return self._InternalFindFileContainingSymbol(symbol) + except KeyError: + pass + + try: + # Try fallback database. Build and find again if possible. + self._FindFileContainingSymbolInDb(symbol) + return self._InternalFindFileContainingSymbol(symbol) + except KeyError: + raise KeyError('Cannot find a file containing %s' % symbol) + + def _InternalFindFileContainingSymbol(self, symbol): + """Gets the already built FileDescriptor containing the specified symbol. + + Args: + symbol (str): The name of the symbol to search for. + + Returns: + FileDescriptor: Descriptor for the file that contains the specified + symbol. + + Raises: + KeyError: if the file cannot be found in the pool. + """ + try: + return self._descriptors[symbol].file + except KeyError: + pass + + try: + return self._enum_descriptors[symbol].file + except KeyError: + pass + + try: + return self._service_descriptors[symbol].file + except KeyError: + pass + + try: + return self._top_enum_values[symbol].type.file + except KeyError: + pass + + try: + return self._file_desc_by_toplevel_extension[symbol] + except KeyError: + pass + + # Try fields, enum values and nested extensions inside a message. + top_name, _, sub_name = symbol.rpartition('.') + try: + message = self.FindMessageTypeByName(top_name) + assert (sub_name in message.extensions_by_name or + sub_name in message.fields_by_name or + sub_name in message.enum_values_by_name) + return message.file + except (KeyError, AssertionError): + raise KeyError('Cannot find a file containing %s' % symbol) + + def FindMessageTypeByName(self, full_name): + """Loads the named descriptor from the pool. + + Args: + full_name (str): The full name of the descriptor to load. + + Returns: + Descriptor: The descriptor for the named type. + + Raises: + KeyError: if the message cannot be found in the pool. + """ + + full_name = _NormalizeFullyQualifiedName(full_name) + if full_name not in self._descriptors: + self._FindFileContainingSymbolInDb(full_name) + return self._descriptors[full_name] + + def FindEnumTypeByName(self, full_name): + """Loads the named enum descriptor from the pool. + + Args: + full_name (str): The full name of the enum descriptor to load. + + Returns: + EnumDescriptor: The enum descriptor for the named type. + + Raises: + KeyError: if the enum cannot be found in the pool. + """ + + full_name = _NormalizeFullyQualifiedName(full_name) + if full_name not in self._enum_descriptors: + self._FindFileContainingSymbolInDb(full_name) + return self._enum_descriptors[full_name] + + def FindFieldByName(self, full_name): + """Loads the named field descriptor from the pool. + + Args: + full_name (str): The full name of the field descriptor to load. + + Returns: + FieldDescriptor: The field descriptor for the named field. + + Raises: + KeyError: if the field cannot be found in the pool. + """ + full_name = _NormalizeFullyQualifiedName(full_name) + message_name, _, field_name = full_name.rpartition('.') + message_descriptor = self.FindMessageTypeByName(message_name) + return message_descriptor.fields_by_name[field_name] + + def FindOneofByName(self, full_name): + """Loads the named oneof descriptor from the pool. + + Args: + full_name (str): The full name of the oneof descriptor to load. + + Returns: + OneofDescriptor: The oneof descriptor for the named oneof. + + Raises: + KeyError: if the oneof cannot be found in the pool. + """ + full_name = _NormalizeFullyQualifiedName(full_name) + message_name, _, oneof_name = full_name.rpartition('.') + message_descriptor = self.FindMessageTypeByName(message_name) + return message_descriptor.oneofs_by_name[oneof_name] + + def FindExtensionByName(self, full_name): + """Loads the named extension descriptor from the pool. + + Args: + full_name (str): The full name of the extension descriptor to load. + + Returns: + FieldDescriptor: The field descriptor for the named extension. + + Raises: + KeyError: if the extension cannot be found in the pool. + """ + full_name = _NormalizeFullyQualifiedName(full_name) + try: + # The proto compiler does not give any link between the FileDescriptor + # and top-level extensions unless the FileDescriptorProto is added to + # the DescriptorDatabase, but this can impact memory usage. + # So we registered these extensions by name explicitly. + return self._toplevel_extensions[full_name] + except KeyError: + pass + message_name, _, extension_name = full_name.rpartition('.') + try: + # Most extensions are nested inside a message. + scope = self.FindMessageTypeByName(message_name) + except KeyError: + # Some extensions are defined at file scope. + scope = self._FindFileContainingSymbolInDb(full_name) + return scope.extensions_by_name[extension_name] + + def FindExtensionByNumber(self, message_descriptor, number): + """Gets the extension of the specified message with the specified number. + + Extensions have to be registered to this pool by calling :func:`Add` or + :func:`AddExtensionDescriptor`. + + Args: + message_descriptor (Descriptor): descriptor of the extended message. + number (int): Number of the extension field. + + Returns: + FieldDescriptor: The descriptor for the extension. + + Raises: + KeyError: when no extension with the given number is known for the + specified message. + """ + try: + return self._extensions_by_number[message_descriptor][number] + except KeyError: + self._TryLoadExtensionFromDB(message_descriptor, number) + return self._extensions_by_number[message_descriptor][number] + + def FindAllExtensions(self, message_descriptor): + """Gets all the known extensions of a given message. + + Extensions have to be registered to this pool by build related + :func:`Add` or :func:`AddExtensionDescriptor`. + + Args: + message_descriptor (Descriptor): Descriptor of the extended message. + + Returns: + list[FieldDescriptor]: Field descriptors describing the extensions. + """ + # Fallback to descriptor db if FindAllExtensionNumbers is provided. + if self._descriptor_db and hasattr( + self._descriptor_db, 'FindAllExtensionNumbers'): + full_name = message_descriptor.full_name + all_numbers = self._descriptor_db.FindAllExtensionNumbers(full_name) + for number in all_numbers: + if number in self._extensions_by_number[message_descriptor]: + continue + self._TryLoadExtensionFromDB(message_descriptor, number) + + return list(self._extensions_by_number[message_descriptor].values()) + + def _TryLoadExtensionFromDB(self, message_descriptor, number): + """Try to Load extensions from descriptor db. + + Args: + message_descriptor: descriptor of the extended message. + number: the extension number that needs to be loaded. + """ + if not self._descriptor_db: + return + # Only supported when FindFileContainingExtension is provided. + if not hasattr( + self._descriptor_db, 'FindFileContainingExtension'): + return + + full_name = message_descriptor.full_name + file_proto = self._descriptor_db.FindFileContainingExtension( + full_name, number) + + if file_proto is None: + return + + try: + self._ConvertFileProtoToFileDescriptor(file_proto) + except: + warn_msg = ('Unable to load proto file %s for extension number %d.' % + (file_proto.name, number)) + warnings.warn(warn_msg, RuntimeWarning) + + def FindServiceByName(self, full_name): + """Loads the named service descriptor from the pool. + + Args: + full_name (str): The full name of the service descriptor to load. + + Returns: + ServiceDescriptor: The service descriptor for the named service. + + Raises: + KeyError: if the service cannot be found in the pool. + """ + full_name = _NormalizeFullyQualifiedName(full_name) + if full_name not in self._service_descriptors: + self._FindFileContainingSymbolInDb(full_name) + return self._service_descriptors[full_name] + + def FindMethodByName(self, full_name): + """Loads the named service method descriptor from the pool. + + Args: + full_name (str): The full name of the method descriptor to load. + + Returns: + MethodDescriptor: The method descriptor for the service method. + + Raises: + KeyError: if the method cannot be found in the pool. + """ + full_name = _NormalizeFullyQualifiedName(full_name) + service_name, _, method_name = full_name.rpartition('.') + service_descriptor = self.FindServiceByName(service_name) + return service_descriptor.methods_by_name[method_name] + + def _FindFileContainingSymbolInDb(self, symbol): + """Finds the file in descriptor DB containing the specified symbol. + + Args: + symbol (str): The name of the symbol to search for. + + Returns: + FileDescriptor: The file that contains the specified symbol. + + Raises: + KeyError: if the file cannot be found in the descriptor database. + """ + try: + file_proto = self._internal_db.FindFileContainingSymbol(symbol) + except KeyError as error: + if self._descriptor_db: + file_proto = self._descriptor_db.FindFileContainingSymbol(symbol) + else: + raise error + if not file_proto: + raise KeyError('Cannot find a file containing %s' % symbol) + return self._ConvertFileProtoToFileDescriptor(file_proto) + + def _ConvertFileProtoToFileDescriptor(self, file_proto): + """Creates a FileDescriptor from a proto or returns a cached copy. + + This method also has the side effect of loading all the symbols found in + the file into the appropriate dictionaries in the pool. + + Args: + file_proto: The proto to convert. + + Returns: + A FileDescriptor matching the passed in proto. + """ + if file_proto.name not in self._file_descriptors: + built_deps = list(self._GetDeps(file_proto.dependency)) + direct_deps = [self.FindFileByName(n) for n in file_proto.dependency] + public_deps = [direct_deps[i] for i in file_proto.public_dependency] + + file_descriptor = descriptor.FileDescriptor( + pool=self, + name=file_proto.name, + package=file_proto.package, + syntax=file_proto.syntax, + options=_OptionsOrNone(file_proto), + serialized_pb=file_proto.SerializeToString(), + dependencies=direct_deps, + public_dependencies=public_deps, + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + scope = {} + + # This loop extracts all the message and enum types from all the + # dependencies of the file_proto. This is necessary to create the + # scope of available message types when defining the passed in + # file proto. + for dependency in built_deps: + scope.update(self._ExtractSymbols( + dependency.message_types_by_name.values())) + scope.update((_PrefixWithDot(enum.full_name), enum) + for enum in dependency.enum_types_by_name.values()) + + for message_type in file_proto.message_type: + message_desc = self._ConvertMessageDescriptor( + message_type, file_proto.package, file_descriptor, scope, + file_proto.syntax) + file_descriptor.message_types_by_name[message_desc.name] = ( + message_desc) + + for enum_type in file_proto.enum_type: + file_descriptor.enum_types_by_name[enum_type.name] = ( + self._ConvertEnumDescriptor(enum_type, file_proto.package, + file_descriptor, None, scope, True)) + + for index, extension_proto in enumerate(file_proto.extension): + extension_desc = self._MakeFieldDescriptor( + extension_proto, file_proto.package, index, file_descriptor, + is_extension=True) + extension_desc.containing_type = self._GetTypeFromScope( + file_descriptor.package, extension_proto.extendee, scope) + self._SetFieldType(extension_proto, extension_desc, + file_descriptor.package, scope) + file_descriptor.extensions_by_name[extension_desc.name] = ( + extension_desc) + self._file_desc_by_toplevel_extension[extension_desc.full_name] = ( + file_descriptor) + + for desc_proto in file_proto.message_type: + self._SetAllFieldTypes(file_proto.package, desc_proto, scope) + + if file_proto.package: + desc_proto_prefix = _PrefixWithDot(file_proto.package) + else: + desc_proto_prefix = '' + + for desc_proto in file_proto.message_type: + desc = self._GetTypeFromScope( + desc_proto_prefix, desc_proto.name, scope) + file_descriptor.message_types_by_name[desc_proto.name] = desc + + for index, service_proto in enumerate(file_proto.service): + file_descriptor.services_by_name[service_proto.name] = ( + self._MakeServiceDescriptor(service_proto, index, scope, + file_proto.package, file_descriptor)) + + self._file_descriptors[file_proto.name] = file_descriptor + + # Add extensions to the pool + file_desc = self._file_descriptors[file_proto.name] + for extension in file_desc.extensions_by_name.values(): + self._AddExtensionDescriptor(extension) + for message_type in file_desc.message_types_by_name.values(): + for extension in message_type.extensions: + self._AddExtensionDescriptor(extension) + + return file_desc + + def _ConvertMessageDescriptor(self, desc_proto, package=None, file_desc=None, + scope=None, syntax=None): + """Adds the proto to the pool in the specified package. + + Args: + desc_proto: The descriptor_pb2.DescriptorProto protobuf message. + package: The package the proto should be located in. + file_desc: The file containing this message. + scope: Dict mapping short and full symbols to message and enum types. + syntax: string indicating syntax of the file ("proto2" or "proto3") + + Returns: + The added descriptor. + """ + + if package: + desc_name = '.'.join((package, desc_proto.name)) + else: + desc_name = desc_proto.name + + if file_desc is None: + file_name = None + else: + file_name = file_desc.name + + if scope is None: + scope = {} + + nested = [ + self._ConvertMessageDescriptor( + nested, desc_name, file_desc, scope, syntax) + for nested in desc_proto.nested_type] + enums = [ + self._ConvertEnumDescriptor(enum, desc_name, file_desc, None, + scope, False) + for enum in desc_proto.enum_type] + fields = [self._MakeFieldDescriptor(field, desc_name, index, file_desc) + for index, field in enumerate(desc_proto.field)] + extensions = [ + self._MakeFieldDescriptor(extension, desc_name, index, file_desc, + is_extension=True) + for index, extension in enumerate(desc_proto.extension)] + oneofs = [ + # pylint: disable=g-complex-comprehension + descriptor.OneofDescriptor( + desc.name, + '.'.join((desc_name, desc.name)), + index, + None, + [], + _OptionsOrNone(desc), + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + for index, desc in enumerate(desc_proto.oneof_decl) + ] + extension_ranges = [(r.start, r.end) for r in desc_proto.extension_range] + if extension_ranges: + is_extendable = True + else: + is_extendable = False + desc = descriptor.Descriptor( + name=desc_proto.name, + full_name=desc_name, + filename=file_name, + containing_type=None, + fields=fields, + oneofs=oneofs, + nested_types=nested, + enum_types=enums, + extensions=extensions, + options=_OptionsOrNone(desc_proto), + is_extendable=is_extendable, + extension_ranges=extension_ranges, + file=file_desc, + serialized_start=None, + serialized_end=None, + syntax=syntax, + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + for nested in desc.nested_types: + nested.containing_type = desc + for enum in desc.enum_types: + enum.containing_type = desc + for field_index, field_desc in enumerate(desc_proto.field): + if field_desc.HasField('oneof_index'): + oneof_index = field_desc.oneof_index + oneofs[oneof_index].fields.append(fields[field_index]) + fields[field_index].containing_oneof = oneofs[oneof_index] + + scope[_PrefixWithDot(desc_name)] = desc + self._CheckConflictRegister(desc, desc.full_name, desc.file.name) + self._descriptors[desc_name] = desc + return desc + + def _ConvertEnumDescriptor(self, enum_proto, package=None, file_desc=None, + containing_type=None, scope=None, top_level=False): + """Make a protobuf EnumDescriptor given an EnumDescriptorProto protobuf. + + Args: + enum_proto: The descriptor_pb2.EnumDescriptorProto protobuf message. + package: Optional package name for the new message EnumDescriptor. + file_desc: The file containing the enum descriptor. + containing_type: The type containing this enum. + scope: Scope containing available types. + top_level: If True, the enum is a top level symbol. If False, the enum + is defined inside a message. + + Returns: + The added descriptor + """ + + if package: + enum_name = '.'.join((package, enum_proto.name)) + else: + enum_name = enum_proto.name + + if file_desc is None: + file_name = None + else: + file_name = file_desc.name + + values = [self._MakeEnumValueDescriptor(value, index) + for index, value in enumerate(enum_proto.value)] + desc = descriptor.EnumDescriptor(name=enum_proto.name, + full_name=enum_name, + filename=file_name, + file=file_desc, + values=values, + containing_type=containing_type, + options=_OptionsOrNone(enum_proto), + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + scope['.%s' % enum_name] = desc + self._CheckConflictRegister(desc, desc.full_name, desc.file.name) + self._enum_descriptors[enum_name] = desc + + # Add top level enum values. + if top_level: + for value in values: + full_name = _NormalizeFullyQualifiedName( + '.'.join((package, value.name))) + self._CheckConflictRegister(value, full_name, file_name) + self._top_enum_values[full_name] = value + + return desc + + def _MakeFieldDescriptor(self, field_proto, message_name, index, + file_desc, is_extension=False): + """Creates a field descriptor from a FieldDescriptorProto. + + For message and enum type fields, this method will do a look up + in the pool for the appropriate descriptor for that type. If it + is unavailable, it will fall back to the _source function to + create it. If this type is still unavailable, construction will + fail. + + Args: + field_proto: The proto describing the field. + message_name: The name of the containing message. + index: Index of the field + file_desc: The file containing the field descriptor. + is_extension: Indication that this field is for an extension. + + Returns: + An initialized FieldDescriptor object + """ + + if message_name: + full_name = '.'.join((message_name, field_proto.name)) + else: + full_name = field_proto.name + + if field_proto.json_name: + json_name = field_proto.json_name + else: + json_name = None + + return descriptor.FieldDescriptor( + name=field_proto.name, + full_name=full_name, + index=index, + number=field_proto.number, + type=field_proto.type, + cpp_type=None, + message_type=None, + enum_type=None, + containing_type=None, + label=field_proto.label, + has_default_value=False, + default_value=None, + is_extension=is_extension, + extension_scope=None, + options=_OptionsOrNone(field_proto), + json_name=json_name, + file=file_desc, + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + + def _SetAllFieldTypes(self, package, desc_proto, scope): + """Sets all the descriptor's fields's types. + + This method also sets the containing types on any extensions. + + Args: + package: The current package of desc_proto. + desc_proto: The message descriptor to update. + scope: Enclosing scope of available types. + """ + + package = _PrefixWithDot(package) + + main_desc = self._GetTypeFromScope(package, desc_proto.name, scope) + + if package == '.': + nested_package = _PrefixWithDot(desc_proto.name) + else: + nested_package = '.'.join([package, desc_proto.name]) + + for field_proto, field_desc in zip(desc_proto.field, main_desc.fields): + self._SetFieldType(field_proto, field_desc, nested_package, scope) + + for extension_proto, extension_desc in ( + zip(desc_proto.extension, main_desc.extensions)): + extension_desc.containing_type = self._GetTypeFromScope( + nested_package, extension_proto.extendee, scope) + self._SetFieldType(extension_proto, extension_desc, nested_package, scope) + + for nested_type in desc_proto.nested_type: + self._SetAllFieldTypes(nested_package, nested_type, scope) + + def _SetFieldType(self, field_proto, field_desc, package, scope): + """Sets the field's type, cpp_type, message_type and enum_type. + + Args: + field_proto: Data about the field in proto format. + field_desc: The descriptor to modify. + package: The package the field's container is in. + scope: Enclosing scope of available types. + """ + if field_proto.type_name: + desc = self._GetTypeFromScope(package, field_proto.type_name, scope) + else: + desc = None + + if not field_proto.HasField('type'): + if isinstance(desc, descriptor.Descriptor): + field_proto.type = descriptor.FieldDescriptor.TYPE_MESSAGE + else: + field_proto.type = descriptor.FieldDescriptor.TYPE_ENUM + + field_desc.cpp_type = descriptor.FieldDescriptor.ProtoTypeToCppProtoType( + field_proto.type) + + if (field_proto.type == descriptor.FieldDescriptor.TYPE_MESSAGE + or field_proto.type == descriptor.FieldDescriptor.TYPE_GROUP): + field_desc.message_type = desc + + if field_proto.type == descriptor.FieldDescriptor.TYPE_ENUM: + field_desc.enum_type = desc + + if field_proto.label == descriptor.FieldDescriptor.LABEL_REPEATED: + field_desc.has_default_value = False + field_desc.default_value = [] + elif field_proto.HasField('default_value'): + field_desc.has_default_value = True + if (field_proto.type == descriptor.FieldDescriptor.TYPE_DOUBLE or + field_proto.type == descriptor.FieldDescriptor.TYPE_FLOAT): + field_desc.default_value = float(field_proto.default_value) + elif field_proto.type == descriptor.FieldDescriptor.TYPE_STRING: + field_desc.default_value = field_proto.default_value + elif field_proto.type == descriptor.FieldDescriptor.TYPE_BOOL: + field_desc.default_value = field_proto.default_value.lower() == 'true' + elif field_proto.type == descriptor.FieldDescriptor.TYPE_ENUM: + field_desc.default_value = field_desc.enum_type.values_by_name[ + field_proto.default_value].number + elif field_proto.type == descriptor.FieldDescriptor.TYPE_BYTES: + field_desc.default_value = text_encoding.CUnescape( + field_proto.default_value) + elif field_proto.type == descriptor.FieldDescriptor.TYPE_MESSAGE: + field_desc.default_value = None + else: + # All other types are of the "int" type. + field_desc.default_value = int(field_proto.default_value) + else: + field_desc.has_default_value = False + if (field_proto.type == descriptor.FieldDescriptor.TYPE_DOUBLE or + field_proto.type == descriptor.FieldDescriptor.TYPE_FLOAT): + field_desc.default_value = 0.0 + elif field_proto.type == descriptor.FieldDescriptor.TYPE_STRING: + field_desc.default_value = u'' + elif field_proto.type == descriptor.FieldDescriptor.TYPE_BOOL: + field_desc.default_value = False + elif field_proto.type == descriptor.FieldDescriptor.TYPE_ENUM: + field_desc.default_value = field_desc.enum_type.values[0].number + elif field_proto.type == descriptor.FieldDescriptor.TYPE_BYTES: + field_desc.default_value = b'' + elif field_proto.type == descriptor.FieldDescriptor.TYPE_MESSAGE: + field_desc.default_value = None + elif field_proto.type == descriptor.FieldDescriptor.TYPE_GROUP: + field_desc.default_value = None + else: + # All other types are of the "int" type. + field_desc.default_value = 0 + + field_desc.type = field_proto.type + + def _MakeEnumValueDescriptor(self, value_proto, index): + """Creates a enum value descriptor object from a enum value proto. + + Args: + value_proto: The proto describing the enum value. + index: The index of the enum value. + + Returns: + An initialized EnumValueDescriptor object. + """ + + return descriptor.EnumValueDescriptor( + name=value_proto.name, + index=index, + number=value_proto.number, + options=_OptionsOrNone(value_proto), + type=None, + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + + def _MakeServiceDescriptor(self, service_proto, service_index, scope, + package, file_desc): + """Make a protobuf ServiceDescriptor given a ServiceDescriptorProto. + + Args: + service_proto: The descriptor_pb2.ServiceDescriptorProto protobuf message. + service_index: The index of the service in the File. + scope: Dict mapping short and full symbols to message and enum types. + package: Optional package name for the new message EnumDescriptor. + file_desc: The file containing the service descriptor. + + Returns: + The added descriptor. + """ + + if package: + service_name = '.'.join((package, service_proto.name)) + else: + service_name = service_proto.name + + methods = [self._MakeMethodDescriptor(method_proto, service_name, package, + scope, index) + for index, method_proto in enumerate(service_proto.method)] + desc = descriptor.ServiceDescriptor( + name=service_proto.name, + full_name=service_name, + index=service_index, + methods=methods, + options=_OptionsOrNone(service_proto), + file=file_desc, + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + self._CheckConflictRegister(desc, desc.full_name, desc.file.name) + self._service_descriptors[service_name] = desc + return desc + + def _MakeMethodDescriptor(self, method_proto, service_name, package, scope, + index): + """Creates a method descriptor from a MethodDescriptorProto. + + Args: + method_proto: The proto describing the method. + service_name: The name of the containing service. + package: Optional package name to look up for types. + scope: Scope containing available types. + index: Index of the method in the service. + + Returns: + An initialized MethodDescriptor object. + """ + full_name = '.'.join((service_name, method_proto.name)) + input_type = self._GetTypeFromScope( + package, method_proto.input_type, scope) + output_type = self._GetTypeFromScope( + package, method_proto.output_type, scope) + return descriptor.MethodDescriptor( + name=method_proto.name, + full_name=full_name, + index=index, + containing_service=None, + input_type=input_type, + output_type=output_type, + client_streaming=method_proto.client_streaming, + server_streaming=method_proto.server_streaming, + options=_OptionsOrNone(method_proto), + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + + def _ExtractSymbols(self, descriptors): + """Pulls out all the symbols from descriptor protos. + + Args: + descriptors: The messages to extract descriptors from. + Yields: + A two element tuple of the type name and descriptor object. + """ + + for desc in descriptors: + yield (_PrefixWithDot(desc.full_name), desc) + for symbol in self._ExtractSymbols(desc.nested_types): + yield symbol + for enum in desc.enum_types: + yield (_PrefixWithDot(enum.full_name), enum) + + def _GetDeps(self, dependencies, visited=None): + """Recursively finds dependencies for file protos. + + Args: + dependencies: The names of the files being depended on. + visited: The names of files already found. + + Yields: + Each direct and indirect dependency. + """ + + visited = visited or set() + for dependency in dependencies: + if dependency not in visited: + visited.add(dependency) + dep_desc = self.FindFileByName(dependency) + yield dep_desc + public_files = [d.name for d in dep_desc.public_dependencies] + yield from self._GetDeps(public_files, visited) + + def _GetTypeFromScope(self, package, type_name, scope): + """Finds a given type name in the current scope. + + Args: + package: The package the proto should be located in. + type_name: The name of the type to be found in the scope. + scope: Dict mapping short and full symbols to message and enum types. + + Returns: + The descriptor for the requested type. + """ + if type_name not in scope: + components = _PrefixWithDot(package).split('.') + while components: + possible_match = '.'.join(components + [type_name]) + if possible_match in scope: + type_name = possible_match + break + else: + components.pop(-1) + return scope[type_name] + + +def _PrefixWithDot(name): + return name if name.startswith('.') else '.%s' % name + + +if _USE_C_DESCRIPTORS: + # TODO(amauryfa): This pool could be constructed from Python code, when we + # support a flag like 'use_cpp_generated_pool=True'. + # pylint: disable=protected-access + _DEFAULT = descriptor._message.default_pool +else: + _DEFAULT = DescriptorPool() + + +def Default(): + return _DEFAULT diff --git a/venv/lib/python3.12/site-packages/google/protobuf/duration_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/duration_pb2.py new file mode 100644 index 0000000..d11409e --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/duration_pb2.py @@ -0,0 +1,26 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/duration.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1egoogle/protobuf/duration.proto\x12\x0fgoogle.protobuf\":\n\x08\x44uration\x12\x18\n\x07seconds\x18\x01 \x01(\x03R\x07seconds\x12\x14\n\x05nanos\x18\x02 \x01(\x05R\x05nanosB\x83\x01\n\x13\x63om.google.protobufB\rDurationProtoP\x01Z1google.golang.org/protobuf/types/known/durationpb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.duration_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\rDurationProtoP\001Z1google.golang.org/protobuf/types/known/durationpb\370\001\001\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _DURATION._serialized_start=51 + _DURATION._serialized_end=109 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/empty_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/empty_pb2.py new file mode 100644 index 0000000..0b4d554 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/empty_pb2.py @@ -0,0 +1,26 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/empty.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1bgoogle/protobuf/empty.proto\x12\x0fgoogle.protobuf\"\x07\n\x05\x45mptyB}\n\x13\x63om.google.protobufB\nEmptyProtoP\x01Z.google.golang.org/protobuf/types/known/emptypb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.empty_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\nEmptyProtoP\001Z.google.golang.org/protobuf/types/known/emptypb\370\001\001\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _EMPTY._serialized_start=48 + _EMPTY._serialized_end=55 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/field_mask_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/field_mask_pb2.py new file mode 100644 index 0000000..a4f60fd --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/field_mask_pb2.py @@ -0,0 +1,26 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/field_mask.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n google/protobuf/field_mask.proto\x12\x0fgoogle.protobuf\"!\n\tFieldMask\x12\x14\n\x05paths\x18\x01 \x03(\tR\x05pathsB\x85\x01\n\x13\x63om.google.protobufB\x0e\x46ieldMaskProtoP\x01Z2google.golang.org/protobuf/types/known/fieldmaskpb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.field_mask_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\016FieldMaskProtoP\001Z2google.golang.org/protobuf/types/known/fieldmaskpb\370\001\001\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _FIELDMASK._serialized_start=53 + _FIELDMASK._serialized_end=86 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/__init__.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/internal/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..bfb55f5 Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/internal/__pycache__/__init__.cpython-312.pyc differ diff --git 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a/venv/lib/python3.12/site-packages/google/protobuf/internal/_parameterized.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/_parameterized.py new file mode 100644 index 0000000..afdbb78 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/_parameterized.py @@ -0,0 +1,443 @@ +#! /usr/bin/env python +# +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Adds support for parameterized tests to Python's unittest TestCase class. + +A parameterized test is a method in a test case that is invoked with different +argument tuples. + +A simple example: + + class AdditionExample(parameterized.TestCase): + @parameterized.parameters( + (1, 2, 3), + (4, 5, 9), + (1, 1, 3)) + def testAddition(self, op1, op2, result): + self.assertEqual(result, op1 + op2) + + +Each invocation is a separate test case and properly isolated just +like a normal test method, with its own setUp/tearDown cycle. In the +example above, there are three separate testcases, one of which will +fail due to an assertion error (1 + 1 != 3). + +Parameters for individual test cases can be tuples (with positional parameters) +or dictionaries (with named parameters): + + class AdditionExample(parameterized.TestCase): + @parameterized.parameters( + {'op1': 1, 'op2': 2, 'result': 3}, + {'op1': 4, 'op2': 5, 'result': 9}, + ) + def testAddition(self, op1, op2, result): + self.assertEqual(result, op1 + op2) + +If a parameterized test fails, the error message will show the +original test name (which is modified internally) and the arguments +for the specific invocation, which are part of the string returned by +the shortDescription() method on test cases. + +The id method of the test, used internally by the unittest framework, +is also modified to show the arguments. To make sure that test names +stay the same across several invocations, object representations like + + >>> class Foo(object): + ... pass + >>> repr(Foo()) + '<__main__.Foo object at 0x23d8610>' + +are turned into '<__main__.Foo>'. For even more descriptive names, +especially in test logs, you can use the named_parameters decorator. In +this case, only tuples are supported, and the first parameters has to +be a string (or an object that returns an apt name when converted via +str()): + + class NamedExample(parameterized.TestCase): + @parameterized.named_parameters( + ('Normal', 'aa', 'aaa', True), + ('EmptyPrefix', '', 'abc', True), + ('BothEmpty', '', '', True)) + def testStartsWith(self, prefix, string, result): + self.assertEqual(result, strings.startswith(prefix)) + +Named tests also have the benefit that they can be run individually +from the command line: + + $ testmodule.py NamedExample.testStartsWithNormal + . + -------------------------------------------------------------------- + Ran 1 test in 0.000s + + OK + +Parameterized Classes +===================== +If invocation arguments are shared across test methods in a single +TestCase class, instead of decorating all test methods +individually, the class itself can be decorated: + + @parameterized.parameters( + (1, 2, 3) + (4, 5, 9)) + class ArithmeticTest(parameterized.TestCase): + def testAdd(self, arg1, arg2, result): + self.assertEqual(arg1 + arg2, result) + + def testSubtract(self, arg2, arg2, result): + self.assertEqual(result - arg1, arg2) + +Inputs from Iterables +===================== +If parameters should be shared across several test cases, or are dynamically +created from other sources, a single non-tuple iterable can be passed into +the decorator. This iterable will be used to obtain the test cases: + + class AdditionExample(parameterized.TestCase): + @parameterized.parameters( + c.op1, c.op2, c.result for c in testcases + ) + def testAddition(self, op1, op2, result): + self.assertEqual(result, op1 + op2) + + +Single-Argument Test Methods +============================ +If a test method takes only one argument, the single argument does not need to +be wrapped into a tuple: + + class NegativeNumberExample(parameterized.TestCase): + @parameterized.parameters( + -1, -3, -4, -5 + ) + def testIsNegative(self, arg): + self.assertTrue(IsNegative(arg)) +""" + +__author__ = 'tmarek@google.com (Torsten Marek)' + +import functools +import re +import types +import unittest +import uuid + +try: + # Since python 3 + import collections.abc as collections_abc +except ImportError: + # Won't work after python 3.8 + import collections as collections_abc + +ADDR_RE = re.compile(r'\<([a-zA-Z0-9_\-\.]+) object at 0x[a-fA-F0-9]+\>') +_SEPARATOR = uuid.uuid1().hex +_FIRST_ARG = object() +_ARGUMENT_REPR = object() + + +def _CleanRepr(obj): + return ADDR_RE.sub(r'<\1>', repr(obj)) + + +# Helper function formerly from the unittest module, removed from it in +# Python 2.7. +def _StrClass(cls): + return '%s.%s' % (cls.__module__, cls.__name__) + + +def _NonStringIterable(obj): + return (isinstance(obj, collections_abc.Iterable) and + not isinstance(obj, str)) + + +def _FormatParameterList(testcase_params): + if isinstance(testcase_params, collections_abc.Mapping): + return ', '.join('%s=%s' % (argname, _CleanRepr(value)) + for argname, value in testcase_params.items()) + elif _NonStringIterable(testcase_params): + return ', '.join(map(_CleanRepr, testcase_params)) + else: + return _FormatParameterList((testcase_params,)) + + +class _ParameterizedTestIter(object): + """Callable and iterable class for producing new test cases.""" + + def __init__(self, test_method, testcases, naming_type): + """Returns concrete test functions for a test and a list of parameters. + + The naming_type is used to determine the name of the concrete + functions as reported by the unittest framework. If naming_type is + _FIRST_ARG, the testcases must be tuples, and the first element must + have a string representation that is a valid Python identifier. + + Args: + test_method: The decorated test method. + testcases: (list of tuple/dict) A list of parameter + tuples/dicts for individual test invocations. + naming_type: The test naming type, either _NAMED or _ARGUMENT_REPR. + """ + self._test_method = test_method + self.testcases = testcases + self._naming_type = naming_type + + def __call__(self, *args, **kwargs): + raise RuntimeError('You appear to be running a parameterized test case ' + 'without having inherited from parameterized.' + 'TestCase. This is bad because none of ' + 'your test cases are actually being run.') + + def __iter__(self): + test_method = self._test_method + naming_type = self._naming_type + + def MakeBoundParamTest(testcase_params): + @functools.wraps(test_method) + def BoundParamTest(self): + if isinstance(testcase_params, collections_abc.Mapping): + test_method(self, **testcase_params) + elif _NonStringIterable(testcase_params): + test_method(self, *testcase_params) + else: + test_method(self, testcase_params) + + if naming_type is _FIRST_ARG: + # Signal the metaclass that the name of the test function is unique + # and descriptive. + BoundParamTest.__x_use_name__ = True + BoundParamTest.__name__ += str(testcase_params[0]) + testcase_params = testcase_params[1:] + elif naming_type is _ARGUMENT_REPR: + # __x_extra_id__ is used to pass naming information to the __new__ + # method of TestGeneratorMetaclass. + # The metaclass will make sure to create a unique, but nondescriptive + # name for this test. + BoundParamTest.__x_extra_id__ = '(%s)' % ( + _FormatParameterList(testcase_params),) + else: + raise RuntimeError('%s is not a valid naming type.' % (naming_type,)) + + BoundParamTest.__doc__ = '%s(%s)' % ( + BoundParamTest.__name__, _FormatParameterList(testcase_params)) + if test_method.__doc__: + BoundParamTest.__doc__ += '\n%s' % (test_method.__doc__,) + return BoundParamTest + return (MakeBoundParamTest(c) for c in self.testcases) + + +def _IsSingletonList(testcases): + """True iff testcases contains only a single non-tuple element.""" + return len(testcases) == 1 and not isinstance(testcases[0], tuple) + + +def _ModifyClass(class_object, testcases, naming_type): + assert not getattr(class_object, '_id_suffix', None), ( + 'Cannot add parameters to %s,' + ' which already has parameterized methods.' % (class_object,)) + class_object._id_suffix = id_suffix = {} + # We change the size of __dict__ while we iterate over it, + # which Python 3.x will complain about, so use copy(). + for name, obj in class_object.__dict__.copy().items(): + if (name.startswith(unittest.TestLoader.testMethodPrefix) + and isinstance(obj, types.FunctionType)): + delattr(class_object, name) + methods = {} + _UpdateClassDictForParamTestCase( + methods, id_suffix, name, + _ParameterizedTestIter(obj, testcases, naming_type)) + for name, meth in methods.items(): + setattr(class_object, name, meth) + + +def _ParameterDecorator(naming_type, testcases): + """Implementation of the parameterization decorators. + + Args: + naming_type: The naming type. + testcases: Testcase parameters. + + Returns: + A function for modifying the decorated object. + """ + def _Apply(obj): + if isinstance(obj, type): + _ModifyClass( + obj, + list(testcases) if not isinstance(testcases, collections_abc.Sequence) + else testcases, + naming_type) + return obj + else: + return _ParameterizedTestIter(obj, testcases, naming_type) + + if _IsSingletonList(testcases): + assert _NonStringIterable(testcases[0]), ( + 'Single parameter argument must be a non-string iterable') + testcases = testcases[0] + + return _Apply + + +def parameters(*testcases): # pylint: disable=invalid-name + """A decorator for creating parameterized tests. + + See the module docstring for a usage example. + Args: + *testcases: Parameters for the decorated method, either a single + iterable, or a list of tuples/dicts/objects (for tests + with only one argument). + + Returns: + A test generator to be handled by TestGeneratorMetaclass. + """ + return _ParameterDecorator(_ARGUMENT_REPR, testcases) + + +def named_parameters(*testcases): # pylint: disable=invalid-name + """A decorator for creating parameterized tests. + + See the module docstring for a usage example. The first element of + each parameter tuple should be a string and will be appended to the + name of the test method. + + Args: + *testcases: Parameters for the decorated method, either a single + iterable, or a list of tuples. + + Returns: + A test generator to be handled by TestGeneratorMetaclass. + """ + return _ParameterDecorator(_FIRST_ARG, testcases) + + +class TestGeneratorMetaclass(type): + """Metaclass for test cases with test generators. + + A test generator is an iterable in a testcase that produces callables. These + callables must be single-argument methods. These methods are injected into + the class namespace and the original iterable is removed. If the name of the + iterable conforms to the test pattern, the injected methods will be picked + up as tests by the unittest framework. + + In general, it is supposed to be used in conjunction with the + parameters decorator. + """ + + def __new__(mcs, class_name, bases, dct): + dct['_id_suffix'] = id_suffix = {} + for name, obj in dct.copy().items(): + if (name.startswith(unittest.TestLoader.testMethodPrefix) and + _NonStringIterable(obj)): + iterator = iter(obj) + dct.pop(name) + _UpdateClassDictForParamTestCase(dct, id_suffix, name, iterator) + + return type.__new__(mcs, class_name, bases, dct) + + +def _UpdateClassDictForParamTestCase(dct, id_suffix, name, iterator): + """Adds individual test cases to a dictionary. + + Args: + dct: The target dictionary. + id_suffix: The dictionary for mapping names to test IDs. + name: The original name of the test case. + iterator: The iterator generating the individual test cases. + """ + for idx, func in enumerate(iterator): + assert callable(func), 'Test generators must yield callables, got %r' % ( + func,) + if getattr(func, '__x_use_name__', False): + new_name = func.__name__ + else: + new_name = '%s%s%d' % (name, _SEPARATOR, idx) + assert new_name not in dct, ( + 'Name of parameterized test case "%s" not unique' % (new_name,)) + dct[new_name] = func + id_suffix[new_name] = getattr(func, '__x_extra_id__', '') + + +class TestCase(unittest.TestCase, metaclass=TestGeneratorMetaclass): + """Base class for test cases using the parameters decorator.""" + + def _OriginalName(self): + return self._testMethodName.split(_SEPARATOR)[0] + + def __str__(self): + return '%s (%s)' % (self._OriginalName(), _StrClass(self.__class__)) + + def id(self): # pylint: disable=invalid-name + """Returns the descriptive ID of the test. + + This is used internally by the unittesting framework to get a name + for the test to be used in reports. + + Returns: + The test id. + """ + return '%s.%s%s' % (_StrClass(self.__class__), + self._OriginalName(), + self._id_suffix.get(self._testMethodName, '')) + + +def CoopTestCase(other_base_class): + """Returns a new base class with a cooperative metaclass base. + + This enables the TestCase to be used in combination + with other base classes that have custom metaclasses, such as + mox.MoxTestBase. + + Only works with metaclasses that do not override type.__new__. + + Example: + + import google3 + import mox + + from google3.testing.pybase import parameterized + + class ExampleTest(parameterized.CoopTestCase(mox.MoxTestBase)): + ... + + Args: + other_base_class: (class) A test case base class. + + Returns: + A new class object. + """ + metaclass = type( + 'CoopMetaclass', + (other_base_class.__metaclass__, + TestGeneratorMetaclass), {}) + return metaclass( + 'CoopTestCase', + (other_base_class, TestCase), {}) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/api_implementation.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/api_implementation.py new file mode 100644 index 0000000..7458648 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/api_implementation.py @@ -0,0 +1,168 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Determine which implementation of the protobuf API is used in this process. +""" + +import importlib +import os +import sys +import warnings + + +def _ApiVersionToImplementationType(api_version): + if api_version == 2: + return 'cpp' + if api_version == 1: + raise ValueError('api_version=1 is no longer supported.') + if api_version == 0: + return 'python' + return None + + +_implementation_type = None +try: + # pylint: disable=g-import-not-at-top + from google.protobuf.internal import _api_implementation + # The compile-time constants in the _api_implementation module can be used to + # switch to a certain implementation of the Python API at build time. + _implementation_type = _ApiVersionToImplementationType( + _api_implementation.api_version) +except ImportError: + pass # Unspecified by compiler flags. + + +def _CanImport(mod_name): + try: + mod = importlib.import_module(mod_name) + # Work around a known issue in the classic bootstrap .par import hook. + if not mod: + raise ImportError(mod_name + ' import succeeded but was None') + return True + except ImportError: + return False + + +if _implementation_type is None: + if _CanImport('google._upb._message'): + _implementation_type = 'upb' + elif _CanImport('google.protobuf.pyext._message'): + _implementation_type = 'cpp' + else: + _implementation_type = 'python' + + +# This environment variable can be used to switch to a certain implementation +# of the Python API, overriding the compile-time constants in the +# _api_implementation module. Right now only 'python', 'cpp' and 'upb' are +# valid values. Any other value will raise error. +_implementation_type = os.getenv('PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION', + _implementation_type) + +if _implementation_type not in ('python', 'cpp', 'upb'): + raise ValueError('PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION {0} is not ' + 'supported. Please set to \'python\', \'cpp\' or ' + '\'upb\'.'.format(_implementation_type)) + +if 'PyPy' in sys.version and _implementation_type == 'cpp': + warnings.warn('PyPy does not work yet with cpp protocol buffers. ' + 'Falling back to the python implementation.') + _implementation_type = 'python' + +_c_module = None + +if _implementation_type == 'cpp': + try: + # pylint: disable=g-import-not-at-top + from google.protobuf.pyext import _message + _c_module = _message + del _message + except ImportError: + # TODO(jieluo): fail back to python + warnings.warn( + 'Selected implementation cpp is not available.') + pass + +if _implementation_type == 'upb': + try: + # pylint: disable=g-import-not-at-top + from google._upb import _message + _c_module = _message + del _message + except ImportError: + warnings.warn('Selected implementation upb is not available. ' + 'Falling back to the python implementation.') + _implementation_type = 'python' + pass + +# Detect if serialization should be deterministic by default +try: + # The presence of this module in a build allows the proto implementation to + # be upgraded merely via build deps. + # + # NOTE: Merely importing this automatically enables deterministic proto + # serialization for C++ code, but we still need to export it as a boolean so + # that we can do the same for `_implementation_type == 'python'`. + # + # NOTE2: It is possible for C++ code to enable deterministic serialization by + # default _without_ affecting Python code, if the C++ implementation is not in + # use by this module. That is intended behavior, so we don't actually expose + # this boolean outside of this module. + # + # pylint: disable=g-import-not-at-top,unused-import + from google.protobuf import enable_deterministic_proto_serialization + _python_deterministic_proto_serialization = True +except ImportError: + _python_deterministic_proto_serialization = False + + +# Usage of this function is discouraged. Clients shouldn't care which +# implementation of the API is in use. Note that there is no guarantee +# that differences between APIs will be maintained. +# Please don't use this function if possible. +def Type(): + return _implementation_type + + +def _SetType(implementation_type): + """Never use! Only for protobuf benchmark.""" + global _implementation_type + _implementation_type = implementation_type + + +# See comment on 'Type' above. +# TODO(jieluo): Remove the API, it returns a constant. b/228102101 +def Version(): + return 2 + + +# For internal use only +def IsPythonDefaultSerializationDeterministic(): + return _python_deterministic_proto_serialization diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/builder.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/builder.py new file mode 100644 index 0000000..64353ee --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/builder.py @@ -0,0 +1,130 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Builds descriptors, message classes and services for generated _pb2.py. + +This file is only called in python generated _pb2.py files. It builds +descriptors, message classes and services that users can directly use +in generated code. +""" + +__author__ = 'jieluo@google.com (Jie Luo)' + +from google.protobuf.internal import enum_type_wrapper +from google.protobuf import message as _message +from google.protobuf import reflection as _reflection +from google.protobuf import symbol_database as _symbol_database + +_sym_db = _symbol_database.Default() + + +def BuildMessageAndEnumDescriptors(file_des, module): + """Builds message and enum descriptors. + + Args: + file_des: FileDescriptor of the .proto file + module: Generated _pb2 module + """ + + def BuildNestedDescriptors(msg_des, prefix): + for (name, nested_msg) in msg_des.nested_types_by_name.items(): + module_name = prefix + name.upper() + module[module_name] = nested_msg + BuildNestedDescriptors(nested_msg, module_name + '_') + for enum_des in msg_des.enum_types: + module[prefix + enum_des.name.upper()] = enum_des + + for (name, msg_des) in file_des.message_types_by_name.items(): + module_name = '_' + name.upper() + module[module_name] = msg_des + BuildNestedDescriptors(msg_des, module_name + '_') + + +def BuildTopDescriptorsAndMessages(file_des, module_name, module): + """Builds top level descriptors and message classes. + + Args: + file_des: FileDescriptor of the .proto file + module_name: str, the name of generated _pb2 module + module: Generated _pb2 module + """ + + def BuildMessage(msg_des): + create_dict = {} + for (name, nested_msg) in msg_des.nested_types_by_name.items(): + create_dict[name] = BuildMessage(nested_msg) + create_dict['DESCRIPTOR'] = msg_des + create_dict['__module__'] = module_name + message_class = _reflection.GeneratedProtocolMessageType( + msg_des.name, (_message.Message,), create_dict) + _sym_db.RegisterMessage(message_class) + return message_class + + # top level enums + for (name, enum_des) in file_des.enum_types_by_name.items(): + module['_' + name.upper()] = enum_des + module[name] = enum_type_wrapper.EnumTypeWrapper(enum_des) + for enum_value in enum_des.values: + module[enum_value.name] = enum_value.number + + # top level extensions + for (name, extension_des) in file_des.extensions_by_name.items(): + module[name.upper() + '_FIELD_NUMBER'] = extension_des.number + module[name] = extension_des + + # services + for (name, service) in file_des.services_by_name.items(): + module['_' + name.upper()] = service + + # Build messages. + for (name, msg_des) in file_des.message_types_by_name.items(): + module[name] = BuildMessage(msg_des) + + +def BuildServices(file_des, module_name, module): + """Builds services classes and services stub class. + + Args: + file_des: FileDescriptor of the .proto file + module_name: str, the name of generated _pb2 module + module: Generated _pb2 module + """ + # pylint: disable=g-import-not-at-top + from google.protobuf import service as _service + from google.protobuf import service_reflection + # pylint: enable=g-import-not-at-top + for (name, service) in file_des.services_by_name.items(): + module[name] = service_reflection.GeneratedServiceType( + name, (_service.Service,), + dict(DESCRIPTOR=service, __module__=module_name)) + stub_name = name + '_Stub' + module[stub_name] = service_reflection.GeneratedServiceStubType( + stub_name, (module[name],), + dict(DESCRIPTOR=service, __module__=module_name)) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/containers.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/containers.py new file mode 100644 index 0000000..29fbb53 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/containers.py @@ -0,0 +1,710 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Contains container classes to represent different protocol buffer types. + +This file defines container classes which represent categories of protocol +buffer field types which need extra maintenance. Currently these categories +are: + +- Repeated scalar fields - These are all repeated fields which aren't + composite (e.g. they are of simple types like int32, string, etc). +- Repeated composite fields - Repeated fields which are composite. This + includes groups and nested messages. +""" + +import collections.abc +import copy +import pickle +from typing import ( + Any, + Iterable, + Iterator, + List, + MutableMapping, + MutableSequence, + NoReturn, + Optional, + Sequence, + TypeVar, + Union, + overload, +) + + +_T = TypeVar('_T') +_K = TypeVar('_K') +_V = TypeVar('_V') + + +class BaseContainer(Sequence[_T]): + """Base container class.""" + + # Minimizes memory usage and disallows assignment to other attributes. + __slots__ = ['_message_listener', '_values'] + + def __init__(self, message_listener: Any) -> None: + """ + Args: + message_listener: A MessageListener implementation. + The RepeatedScalarFieldContainer will call this object's + Modified() method when it is modified. + """ + self._message_listener = message_listener + self._values = [] + + @overload + def __getitem__(self, key: int) -> _T: + ... + + @overload + def __getitem__(self, key: slice) -> List[_T]: + ... + + def __getitem__(self, key): + """Retrieves item by the specified key.""" + return self._values[key] + + def __len__(self) -> int: + """Returns the number of elements in the container.""" + return len(self._values) + + def __ne__(self, other: Any) -> bool: + """Checks if another instance isn't equal to this one.""" + # The concrete classes should define __eq__. + return not self == other + + __hash__ = None + + def __repr__(self) -> str: + return repr(self._values) + + def sort(self, *args, **kwargs) -> None: + # Continue to support the old sort_function keyword argument. + # This is expected to be a rare occurrence, so use LBYL to avoid + # the overhead of actually catching KeyError. + if 'sort_function' in kwargs: + kwargs['cmp'] = kwargs.pop('sort_function') + self._values.sort(*args, **kwargs) + + def reverse(self) -> None: + self._values.reverse() + + +# TODO(slebedev): Remove this. BaseContainer does *not* conform to +# MutableSequence, only its subclasses do. +collections.abc.MutableSequence.register(BaseContainer) + + +class RepeatedScalarFieldContainer(BaseContainer[_T], MutableSequence[_T]): + """Simple, type-checked, list-like container for holding repeated scalars.""" + + # Disallows assignment to other attributes. + __slots__ = ['_type_checker'] + + def __init__( + self, + message_listener: Any, + type_checker: Any, + ) -> None: + """Args: + + message_listener: A MessageListener implementation. The + RepeatedScalarFieldContainer will call this object's Modified() method + when it is modified. + type_checker: A type_checkers.ValueChecker instance to run on elements + inserted into this container. + """ + super().__init__(message_listener) + self._type_checker = type_checker + + def append(self, value: _T) -> None: + """Appends an item to the list. Similar to list.append().""" + self._values.append(self._type_checker.CheckValue(value)) + if not self._message_listener.dirty: + self._message_listener.Modified() + + def insert(self, key: int, value: _T) -> None: + """Inserts the item at the specified position. Similar to list.insert().""" + self._values.insert(key, self._type_checker.CheckValue(value)) + if not self._message_listener.dirty: + self._message_listener.Modified() + + def extend(self, elem_seq: Iterable[_T]) -> None: + """Extends by appending the given iterable. Similar to list.extend().""" + if elem_seq is None: + return + try: + elem_seq_iter = iter(elem_seq) + except TypeError: + if not elem_seq: + # silently ignore falsy inputs :-/. + # TODO(ptucker): Deprecate this behavior. b/18413862 + return + raise + + new_values = [self._type_checker.CheckValue(elem) for elem in elem_seq_iter] + if new_values: + self._values.extend(new_values) + self._message_listener.Modified() + + def MergeFrom( + self, + other: Union['RepeatedScalarFieldContainer[_T]', Iterable[_T]], + ) -> None: + """Appends the contents of another repeated field of the same type to this + one. We do not check the types of the individual fields. + """ + self._values.extend(other) + self._message_listener.Modified() + + def remove(self, elem: _T): + """Removes an item from the list. Similar to list.remove().""" + self._values.remove(elem) + self._message_listener.Modified() + + def pop(self, key: Optional[int] = -1) -> _T: + """Removes and returns an item at a given index. Similar to list.pop().""" + value = self._values[key] + self.__delitem__(key) + return value + + @overload + def __setitem__(self, key: int, value: _T) -> None: + ... + + @overload + def __setitem__(self, key: slice, value: Iterable[_T]) -> None: + ... + + def __setitem__(self, key, value) -> None: + """Sets the item on the specified position.""" + if isinstance(key, slice): + if key.step is not None: + raise ValueError('Extended slices not supported') + self._values[key] = map(self._type_checker.CheckValue, value) + self._message_listener.Modified() + else: + self._values[key] = self._type_checker.CheckValue(value) + self._message_listener.Modified() + + def __delitem__(self, key: Union[int, slice]) -> None: + """Deletes the item at the specified position.""" + del self._values[key] + self._message_listener.Modified() + + def __eq__(self, other: Any) -> bool: + """Compares the current instance with another one.""" + if self is other: + return True + # Special case for the same type which should be common and fast. + if isinstance(other, self.__class__): + return other._values == self._values + # We are presumably comparing against some other sequence type. + return other == self._values + + def __deepcopy__( + self, + unused_memo: Any = None, + ) -> 'RepeatedScalarFieldContainer[_T]': + clone = RepeatedScalarFieldContainer( + copy.deepcopy(self._message_listener), self._type_checker) + clone.MergeFrom(self) + return clone + + def __reduce__(self, **kwargs) -> NoReturn: + raise pickle.PickleError( + "Can't pickle repeated scalar fields, convert to list first") + + +# TODO(slebedev): Constrain T to be a subtype of Message. +class RepeatedCompositeFieldContainer(BaseContainer[_T], MutableSequence[_T]): + """Simple, list-like container for holding repeated composite fields.""" + + # Disallows assignment to other attributes. + __slots__ = ['_message_descriptor'] + + def __init__(self, message_listener: Any, message_descriptor: Any) -> None: + """ + Note that we pass in a descriptor instead of the generated directly, + since at the time we construct a _RepeatedCompositeFieldContainer we + haven't yet necessarily initialized the type that will be contained in the + container. + + Args: + message_listener: A MessageListener implementation. + The RepeatedCompositeFieldContainer will call this object's + Modified() method when it is modified. + message_descriptor: A Descriptor instance describing the protocol type + that should be present in this container. We'll use the + _concrete_class field of this descriptor when the client calls add(). + """ + super().__init__(message_listener) + self._message_descriptor = message_descriptor + + def add(self, **kwargs: Any) -> _T: + """Adds a new element at the end of the list and returns it. Keyword + arguments may be used to initialize the element. + """ + new_element = self._message_descriptor._concrete_class(**kwargs) + new_element._SetListener(self._message_listener) + self._values.append(new_element) + if not self._message_listener.dirty: + self._message_listener.Modified() + return new_element + + def append(self, value: _T) -> None: + """Appends one element by copying the message.""" + new_element = self._message_descriptor._concrete_class() + new_element._SetListener(self._message_listener) + new_element.CopyFrom(value) + self._values.append(new_element) + if not self._message_listener.dirty: + self._message_listener.Modified() + + def insert(self, key: int, value: _T) -> None: + """Inserts the item at the specified position by copying.""" + new_element = self._message_descriptor._concrete_class() + new_element._SetListener(self._message_listener) + new_element.CopyFrom(value) + self._values.insert(key, new_element) + if not self._message_listener.dirty: + self._message_listener.Modified() + + def extend(self, elem_seq: Iterable[_T]) -> None: + """Extends by appending the given sequence of elements of the same type + + as this one, copying each individual message. + """ + message_class = self._message_descriptor._concrete_class + listener = self._message_listener + values = self._values + for message in elem_seq: + new_element = message_class() + new_element._SetListener(listener) + new_element.MergeFrom(message) + values.append(new_element) + listener.Modified() + + def MergeFrom( + self, + other: Union['RepeatedCompositeFieldContainer[_T]', Iterable[_T]], + ) -> None: + """Appends the contents of another repeated field of the same type to this + one, copying each individual message. + """ + self.extend(other) + + def remove(self, elem: _T) -> None: + """Removes an item from the list. Similar to list.remove().""" + self._values.remove(elem) + self._message_listener.Modified() + + def pop(self, key: Optional[int] = -1) -> _T: + """Removes and returns an item at a given index. Similar to list.pop().""" + value = self._values[key] + self.__delitem__(key) + return value + + @overload + def __setitem__(self, key: int, value: _T) -> None: + ... + + @overload + def __setitem__(self, key: slice, value: Iterable[_T]) -> None: + ... + + def __setitem__(self, key, value): + # This method is implemented to make RepeatedCompositeFieldContainer + # structurally compatible with typing.MutableSequence. It is + # otherwise unsupported and will always raise an error. + raise TypeError( + f'{self.__class__.__name__} object does not support item assignment') + + def __delitem__(self, key: Union[int, slice]) -> None: + """Deletes the item at the specified position.""" + del self._values[key] + self._message_listener.Modified() + + def __eq__(self, other: Any) -> bool: + """Compares the current instance with another one.""" + if self is other: + return True + if not isinstance(other, self.__class__): + raise TypeError('Can only compare repeated composite fields against ' + 'other repeated composite fields.') + return self._values == other._values + + +class ScalarMap(MutableMapping[_K, _V]): + """Simple, type-checked, dict-like container for holding repeated scalars.""" + + # Disallows assignment to other attributes. + __slots__ = ['_key_checker', '_value_checker', '_values', '_message_listener', + '_entry_descriptor'] + + def __init__( + self, + message_listener: Any, + key_checker: Any, + value_checker: Any, + entry_descriptor: Any, + ) -> None: + """ + Args: + message_listener: A MessageListener implementation. + The ScalarMap will call this object's Modified() method when it + is modified. + key_checker: A type_checkers.ValueChecker instance to run on keys + inserted into this container. + value_checker: A type_checkers.ValueChecker instance to run on values + inserted into this container. + entry_descriptor: The MessageDescriptor of a map entry: key and value. + """ + self._message_listener = message_listener + self._key_checker = key_checker + self._value_checker = value_checker + self._entry_descriptor = entry_descriptor + self._values = {} + + def __getitem__(self, key: _K) -> _V: + try: + return self._values[key] + except KeyError: + key = self._key_checker.CheckValue(key) + val = self._value_checker.DefaultValue() + self._values[key] = val + return val + + def __contains__(self, item: _K) -> bool: + # We check the key's type to match the strong-typing flavor of the API. + # Also this makes it easier to match the behavior of the C++ implementation. + self._key_checker.CheckValue(item) + return item in self._values + + @overload + def get(self, key: _K) -> Optional[_V]: + ... + + @overload + def get(self, key: _K, default: _T) -> Union[_V, _T]: + ... + + # We need to override this explicitly, because our defaultdict-like behavior + # will make the default implementation (from our base class) always insert + # the key. + def get(self, key, default=None): + if key in self: + return self[key] + else: + return default + + def __setitem__(self, key: _K, value: _V) -> _T: + checked_key = self._key_checker.CheckValue(key) + checked_value = self._value_checker.CheckValue(value) + self._values[checked_key] = checked_value + self._message_listener.Modified() + + def __delitem__(self, key: _K) -> None: + del self._values[key] + self._message_listener.Modified() + + def __len__(self) -> int: + return len(self._values) + + def __iter__(self) -> Iterator[_K]: + return iter(self._values) + + def __repr__(self) -> str: + return repr(self._values) + + def MergeFrom(self, other: 'ScalarMap[_K, _V]') -> None: + self._values.update(other._values) + self._message_listener.Modified() + + def InvalidateIterators(self) -> None: + # It appears that the only way to reliably invalidate iterators to + # self._values is to ensure that its size changes. + original = self._values + self._values = original.copy() + original[None] = None + + # This is defined in the abstract base, but we can do it much more cheaply. + def clear(self) -> None: + self._values.clear() + self._message_listener.Modified() + + def GetEntryClass(self) -> Any: + return self._entry_descriptor._concrete_class + + +class MessageMap(MutableMapping[_K, _V]): + """Simple, type-checked, dict-like container for with submessage values.""" + + # Disallows assignment to other attributes. + __slots__ = ['_key_checker', '_values', '_message_listener', + '_message_descriptor', '_entry_descriptor'] + + def __init__( + self, + message_listener: Any, + message_descriptor: Any, + key_checker: Any, + entry_descriptor: Any, + ) -> None: + """ + Args: + message_listener: A MessageListener implementation. + The ScalarMap will call this object's Modified() method when it + is modified. + key_checker: A type_checkers.ValueChecker instance to run on keys + inserted into this container. + value_checker: A type_checkers.ValueChecker instance to run on values + inserted into this container. + entry_descriptor: The MessageDescriptor of a map entry: key and value. + """ + self._message_listener = message_listener + self._message_descriptor = message_descriptor + self._key_checker = key_checker + self._entry_descriptor = entry_descriptor + self._values = {} + + def __getitem__(self, key: _K) -> _V: + key = self._key_checker.CheckValue(key) + try: + return self._values[key] + except KeyError: + new_element = self._message_descriptor._concrete_class() + new_element._SetListener(self._message_listener) + self._values[key] = new_element + self._message_listener.Modified() + return new_element + + def get_or_create(self, key: _K) -> _V: + """get_or_create() is an alias for getitem (ie. map[key]). + + Args: + key: The key to get or create in the map. + + This is useful in cases where you want to be explicit that the call is + mutating the map. This can avoid lint errors for statements like this + that otherwise would appear to be pointless statements: + + msg.my_map[key] + """ + return self[key] + + @overload + def get(self, key: _K) -> Optional[_V]: + ... + + @overload + def get(self, key: _K, default: _T) -> Union[_V, _T]: + ... + + # We need to override this explicitly, because our defaultdict-like behavior + # will make the default implementation (from our base class) always insert + # the key. + def get(self, key, default=None): + if key in self: + return self[key] + else: + return default + + def __contains__(self, item: _K) -> bool: + item = self._key_checker.CheckValue(item) + return item in self._values + + def __setitem__(self, key: _K, value: _V) -> NoReturn: + raise ValueError('May not set values directly, call my_map[key].foo = 5') + + def __delitem__(self, key: _K) -> None: + key = self._key_checker.CheckValue(key) + del self._values[key] + self._message_listener.Modified() + + def __len__(self) -> int: + return len(self._values) + + def __iter__(self) -> Iterator[_K]: + return iter(self._values) + + def __repr__(self) -> str: + return repr(self._values) + + def MergeFrom(self, other: 'MessageMap[_K, _V]') -> None: + # pylint: disable=protected-access + for key in other._values: + # According to documentation: "When parsing from the wire or when merging, + # if there are duplicate map keys the last key seen is used". + if key in self: + del self[key] + self[key].CopyFrom(other[key]) + # self._message_listener.Modified() not required here, because + # mutations to submessages already propagate. + + def InvalidateIterators(self) -> None: + # It appears that the only way to reliably invalidate iterators to + # self._values is to ensure that its size changes. + original = self._values + self._values = original.copy() + original[None] = None + + # This is defined in the abstract base, but we can do it much more cheaply. + def clear(self) -> None: + self._values.clear() + self._message_listener.Modified() + + def GetEntryClass(self) -> Any: + return self._entry_descriptor._concrete_class + + +class _UnknownField: + """A parsed unknown field.""" + + # Disallows assignment to other attributes. + __slots__ = ['_field_number', '_wire_type', '_data'] + + def __init__(self, field_number, wire_type, data): + self._field_number = field_number + self._wire_type = wire_type + self._data = data + return + + def __lt__(self, other): + # pylint: disable=protected-access + return self._field_number < other._field_number + + def __eq__(self, other): + if self is other: + return True + # pylint: disable=protected-access + return (self._field_number == other._field_number and + self._wire_type == other._wire_type and + self._data == other._data) + + +class UnknownFieldRef: # pylint: disable=missing-class-docstring + + def __init__(self, parent, index): + self._parent = parent + self._index = index + + def _check_valid(self): + if not self._parent: + raise ValueError('UnknownField does not exist. ' + 'The parent message might be cleared.') + if self._index >= len(self._parent): + raise ValueError('UnknownField does not exist. ' + 'The parent message might be cleared.') + + @property + def field_number(self): + self._check_valid() + # pylint: disable=protected-access + return self._parent._internal_get(self._index)._field_number + + @property + def wire_type(self): + self._check_valid() + # pylint: disable=protected-access + return self._parent._internal_get(self._index)._wire_type + + @property + def data(self): + self._check_valid() + # pylint: disable=protected-access + return self._parent._internal_get(self._index)._data + + +class UnknownFieldSet: + """UnknownField container""" + + # Disallows assignment to other attributes. + __slots__ = ['_values'] + + def __init__(self): + self._values = [] + + def __getitem__(self, index): + if self._values is None: + raise ValueError('UnknownFields does not exist. ' + 'The parent message might be cleared.') + size = len(self._values) + if index < 0: + index += size + if index < 0 or index >= size: + raise IndexError('index %d out of range'.index) + + return UnknownFieldRef(self, index) + + def _internal_get(self, index): + return self._values[index] + + def __len__(self): + if self._values is None: + raise ValueError('UnknownFields does not exist. ' + 'The parent message might be cleared.') + return len(self._values) + + def _add(self, field_number, wire_type, data): + unknown_field = _UnknownField(field_number, wire_type, data) + self._values.append(unknown_field) + return unknown_field + + def __iter__(self): + for i in range(len(self)): + yield UnknownFieldRef(self, i) + + def _extend(self, other): + if other is None: + return + # pylint: disable=protected-access + self._values.extend(other._values) + + def __eq__(self, other): + if self is other: + return True + # Sort unknown fields because their order shouldn't + # affect equality test. + values = list(self._values) + if other is None: + return not values + values.sort() + # pylint: disable=protected-access + other_values = sorted(other._values) + return values == other_values + + def _clear(self): + for value in self._values: + # pylint: disable=protected-access + if isinstance(value._data, UnknownFieldSet): + value._data._clear() # pylint: disable=protected-access + self._values = None diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/decoder.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/decoder.py new file mode 100644 index 0000000..a916276 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/decoder.py @@ -0,0 +1,1068 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Code for decoding protocol buffer primitives. + +This code is very similar to encoder.py -- read the docs for that module first. + +A "decoder" is a function with the signature: + Decode(buffer, pos, end, message, field_dict) +The arguments are: + buffer: The string containing the encoded message. + pos: The current position in the string. + end: The position in the string where the current message ends. May be + less than len(buffer) if we're reading a sub-message. + message: The message object into which we're parsing. + field_dict: message._fields (avoids a hashtable lookup). +The decoder reads the field and stores it into field_dict, returning the new +buffer position. A decoder for a repeated field may proactively decode all of +the elements of that field, if they appear consecutively. + +Note that decoders may throw any of the following: + IndexError: Indicates a truncated message. + struct.error: Unpacking of a fixed-width field failed. + message.DecodeError: Other errors. + +Decoders are expected to raise an exception if they are called with pos > end. +This allows callers to be lax about bounds checking: it's fineto read past +"end" as long as you are sure that someone else will notice and throw an +exception later on. + +Something up the call stack is expected to catch IndexError and struct.error +and convert them to message.DecodeError. + +Decoders are constructed using decoder constructors with the signature: + MakeDecoder(field_number, is_repeated, is_packed, key, new_default) +The arguments are: + field_number: The field number of the field we want to decode. + is_repeated: Is the field a repeated field? (bool) + is_packed: Is the field a packed field? (bool) + key: The key to use when looking up the field within field_dict. + (This is actually the FieldDescriptor but nothing in this + file should depend on that.) + new_default: A function which takes a message object as a parameter and + returns a new instance of the default value for this field. + (This is called for repeated fields and sub-messages, when an + instance does not already exist.) + +As with encoders, we define a decoder constructor for every type of field. +Then, for every field of every message class we construct an actual decoder. +That decoder goes into a dict indexed by tag, so when we decode a message +we repeatedly read a tag, look up the corresponding decoder, and invoke it. +""" + +__author__ = 'kenton@google.com (Kenton Varda)' + +import math +import struct + +from google.protobuf.internal import containers +from google.protobuf.internal import encoder +from google.protobuf.internal import wire_format +from google.protobuf import message + + +# This is not for optimization, but rather to avoid conflicts with local +# variables named "message". +_DecodeError = message.DecodeError + + +def _VarintDecoder(mask, result_type): + """Return an encoder for a basic varint value (does not include tag). + + Decoded values will be bitwise-anded with the given mask before being + returned, e.g. to limit them to 32 bits. The returned decoder does not + take the usual "end" parameter -- the caller is expected to do bounds checking + after the fact (often the caller can defer such checking until later). The + decoder returns a (value, new_pos) pair. + """ + + def DecodeVarint(buffer, pos): + result = 0 + shift = 0 + while 1: + b = buffer[pos] + result |= ((b & 0x7f) << shift) + pos += 1 + if not (b & 0x80): + result &= mask + result = result_type(result) + return (result, pos) + shift += 7 + if shift >= 64: + raise _DecodeError('Too many bytes when decoding varint.') + return DecodeVarint + + +def _SignedVarintDecoder(bits, result_type): + """Like _VarintDecoder() but decodes signed values.""" + + signbit = 1 << (bits - 1) + mask = (1 << bits) - 1 + + def DecodeVarint(buffer, pos): + result = 0 + shift = 0 + while 1: + b = buffer[pos] + result |= ((b & 0x7f) << shift) + pos += 1 + if not (b & 0x80): + result &= mask + result = (result ^ signbit) - signbit + result = result_type(result) + return (result, pos) + shift += 7 + if shift >= 64: + raise _DecodeError('Too many bytes when decoding varint.') + return DecodeVarint + +# All 32-bit and 64-bit values are represented as int. +_DecodeVarint = _VarintDecoder((1 << 64) - 1, int) +_DecodeSignedVarint = _SignedVarintDecoder(64, int) + +# Use these versions for values which must be limited to 32 bits. +_DecodeVarint32 = _VarintDecoder((1 << 32) - 1, int) +_DecodeSignedVarint32 = _SignedVarintDecoder(32, int) + + +def ReadTag(buffer, pos): + """Read a tag from the memoryview, and return a (tag_bytes, new_pos) tuple. + + We return the raw bytes of the tag rather than decoding them. The raw + bytes can then be used to look up the proper decoder. This effectively allows + us to trade some work that would be done in pure-python (decoding a varint) + for work that is done in C (searching for a byte string in a hash table). + In a low-level language it would be much cheaper to decode the varint and + use that, but not in Python. + + Args: + buffer: memoryview object of the encoded bytes + pos: int of the current position to start from + + Returns: + Tuple[bytes, int] of the tag data and new position. + """ + start = pos + while buffer[pos] & 0x80: + pos += 1 + pos += 1 + + tag_bytes = buffer[start:pos].tobytes() + return tag_bytes, pos + + +# -------------------------------------------------------------------- + + +def _SimpleDecoder(wire_type, decode_value): + """Return a constructor for a decoder for fields of a particular type. + + Args: + wire_type: The field's wire type. + decode_value: A function which decodes an individual value, e.g. + _DecodeVarint() + """ + + def SpecificDecoder(field_number, is_repeated, is_packed, key, new_default, + clear_if_default=False): + if is_packed: + local_DecodeVarint = _DecodeVarint + def DecodePackedField(buffer, pos, end, message, field_dict): + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + (endpoint, pos) = local_DecodeVarint(buffer, pos) + endpoint += pos + if endpoint > end: + raise _DecodeError('Truncated message.') + while pos < endpoint: + (element, pos) = decode_value(buffer, pos) + value.append(element) + if pos > endpoint: + del value[-1] # Discard corrupt value. + raise _DecodeError('Packed element was truncated.') + return pos + return DecodePackedField + elif is_repeated: + tag_bytes = encoder.TagBytes(field_number, wire_type) + tag_len = len(tag_bytes) + def DecodeRepeatedField(buffer, pos, end, message, field_dict): + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + while 1: + (element, new_pos) = decode_value(buffer, pos) + value.append(element) + # Predict that the next tag is another copy of the same repeated + # field. + pos = new_pos + tag_len + if buffer[new_pos:pos] != tag_bytes or new_pos >= end: + # Prediction failed. Return. + if new_pos > end: + raise _DecodeError('Truncated message.') + return new_pos + return DecodeRepeatedField + else: + def DecodeField(buffer, pos, end, message, field_dict): + (new_value, pos) = decode_value(buffer, pos) + if pos > end: + raise _DecodeError('Truncated message.') + if clear_if_default and not new_value: + field_dict.pop(key, None) + else: + field_dict[key] = new_value + return pos + return DecodeField + + return SpecificDecoder + + +def _ModifiedDecoder(wire_type, decode_value, modify_value): + """Like SimpleDecoder but additionally invokes modify_value on every value + before storing it. Usually modify_value is ZigZagDecode. + """ + + # Reusing _SimpleDecoder is slightly slower than copying a bunch of code, but + # not enough to make a significant difference. + + def InnerDecode(buffer, pos): + (result, new_pos) = decode_value(buffer, pos) + return (modify_value(result), new_pos) + return _SimpleDecoder(wire_type, InnerDecode) + + +def _StructPackDecoder(wire_type, format): + """Return a constructor for a decoder for a fixed-width field. + + Args: + wire_type: The field's wire type. + format: The format string to pass to struct.unpack(). + """ + + value_size = struct.calcsize(format) + local_unpack = struct.unpack + + # Reusing _SimpleDecoder is slightly slower than copying a bunch of code, but + # not enough to make a significant difference. + + # Note that we expect someone up-stack to catch struct.error and convert + # it to _DecodeError -- this way we don't have to set up exception- + # handling blocks every time we parse one value. + + def InnerDecode(buffer, pos): + new_pos = pos + value_size + result = local_unpack(format, buffer[pos:new_pos])[0] + return (result, new_pos) + return _SimpleDecoder(wire_type, InnerDecode) + + +def _FloatDecoder(): + """Returns a decoder for a float field. + + This code works around a bug in struct.unpack for non-finite 32-bit + floating-point values. + """ + + local_unpack = struct.unpack + + def InnerDecode(buffer, pos): + """Decode serialized float to a float and new position. + + Args: + buffer: memoryview of the serialized bytes + pos: int, position in the memory view to start at. + + Returns: + Tuple[float, int] of the deserialized float value and new position + in the serialized data. + """ + # We expect a 32-bit value in little-endian byte order. Bit 1 is the sign + # bit, bits 2-9 represent the exponent, and bits 10-32 are the significand. + new_pos = pos + 4 + float_bytes = buffer[pos:new_pos].tobytes() + + # If this value has all its exponent bits set, then it's non-finite. + # In Python 2.4, struct.unpack will convert it to a finite 64-bit value. + # To avoid that, we parse it specially. + if (float_bytes[3:4] in b'\x7F\xFF' and float_bytes[2:3] >= b'\x80'): + # If at least one significand bit is set... + if float_bytes[0:3] != b'\x00\x00\x80': + return (math.nan, new_pos) + # If sign bit is set... + if float_bytes[3:4] == b'\xFF': + return (-math.inf, new_pos) + return (math.inf, new_pos) + + # Note that we expect someone up-stack to catch struct.error and convert + # it to _DecodeError -- this way we don't have to set up exception- + # handling blocks every time we parse one value. + result = local_unpack('= b'\xF0') + and (double_bytes[0:7] != b'\x00\x00\x00\x00\x00\x00\xF0')): + return (math.nan, new_pos) + + # Note that we expect someone up-stack to catch struct.error and convert + # it to _DecodeError -- this way we don't have to set up exception- + # handling blocks every time we parse one value. + result = local_unpack(' end: + raise _DecodeError('Truncated message.') + while pos < endpoint: + value_start_pos = pos + (element, pos) = _DecodeSignedVarint32(buffer, pos) + # pylint: disable=protected-access + if element in enum_type.values_by_number: + value.append(element) + else: + if not message._unknown_fields: + message._unknown_fields = [] + tag_bytes = encoder.TagBytes(field_number, + wire_format.WIRETYPE_VARINT) + + message._unknown_fields.append( + (tag_bytes, buffer[value_start_pos:pos].tobytes())) + if message._unknown_field_set is None: + message._unknown_field_set = containers.UnknownFieldSet() + message._unknown_field_set._add( + field_number, wire_format.WIRETYPE_VARINT, element) + # pylint: enable=protected-access + if pos > endpoint: + if element in enum_type.values_by_number: + del value[-1] # Discard corrupt value. + else: + del message._unknown_fields[-1] + # pylint: disable=protected-access + del message._unknown_field_set._values[-1] + # pylint: enable=protected-access + raise _DecodeError('Packed element was truncated.') + return pos + return DecodePackedField + elif is_repeated: + tag_bytes = encoder.TagBytes(field_number, wire_format.WIRETYPE_VARINT) + tag_len = len(tag_bytes) + def DecodeRepeatedField(buffer, pos, end, message, field_dict): + """Decode serialized repeated enum to its value and a new position. + + Args: + buffer: memoryview of the serialized bytes. + pos: int, position in the memory view to start at. + end: int, end position of serialized data + message: Message object to store unknown fields in + field_dict: Map[Descriptor, Any] to store decoded values in. + + Returns: + int, new position in serialized data. + """ + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + while 1: + (element, new_pos) = _DecodeSignedVarint32(buffer, pos) + # pylint: disable=protected-access + if element in enum_type.values_by_number: + value.append(element) + else: + if not message._unknown_fields: + message._unknown_fields = [] + message._unknown_fields.append( + (tag_bytes, buffer[pos:new_pos].tobytes())) + if message._unknown_field_set is None: + message._unknown_field_set = containers.UnknownFieldSet() + message._unknown_field_set._add( + field_number, wire_format.WIRETYPE_VARINT, element) + # pylint: enable=protected-access + # Predict that the next tag is another copy of the same repeated + # field. + pos = new_pos + tag_len + if buffer[new_pos:pos] != tag_bytes or new_pos >= end: + # Prediction failed. Return. + if new_pos > end: + raise _DecodeError('Truncated message.') + return new_pos + return DecodeRepeatedField + else: + def DecodeField(buffer, pos, end, message, field_dict): + """Decode serialized repeated enum to its value and a new position. + + Args: + buffer: memoryview of the serialized bytes. + pos: int, position in the memory view to start at. + end: int, end position of serialized data + message: Message object to store unknown fields in + field_dict: Map[Descriptor, Any] to store decoded values in. + + Returns: + int, new position in serialized data. + """ + value_start_pos = pos + (enum_value, pos) = _DecodeSignedVarint32(buffer, pos) + if pos > end: + raise _DecodeError('Truncated message.') + if clear_if_default and not enum_value: + field_dict.pop(key, None) + return pos + # pylint: disable=protected-access + if enum_value in enum_type.values_by_number: + field_dict[key] = enum_value + else: + if not message._unknown_fields: + message._unknown_fields = [] + tag_bytes = encoder.TagBytes(field_number, + wire_format.WIRETYPE_VARINT) + message._unknown_fields.append( + (tag_bytes, buffer[value_start_pos:pos].tobytes())) + if message._unknown_field_set is None: + message._unknown_field_set = containers.UnknownFieldSet() + message._unknown_field_set._add( + field_number, wire_format.WIRETYPE_VARINT, enum_value) + # pylint: enable=protected-access + return pos + return DecodeField + + +# -------------------------------------------------------------------- + + +Int32Decoder = _SimpleDecoder( + wire_format.WIRETYPE_VARINT, _DecodeSignedVarint32) + +Int64Decoder = _SimpleDecoder( + wire_format.WIRETYPE_VARINT, _DecodeSignedVarint) + +UInt32Decoder = _SimpleDecoder(wire_format.WIRETYPE_VARINT, _DecodeVarint32) +UInt64Decoder = _SimpleDecoder(wire_format.WIRETYPE_VARINT, _DecodeVarint) + +SInt32Decoder = _ModifiedDecoder( + wire_format.WIRETYPE_VARINT, _DecodeVarint32, wire_format.ZigZagDecode) +SInt64Decoder = _ModifiedDecoder( + wire_format.WIRETYPE_VARINT, _DecodeVarint, wire_format.ZigZagDecode) + +# Note that Python conveniently guarantees that when using the '<' prefix on +# formats, they will also have the same size across all platforms (as opposed +# to without the prefix, where their sizes depend on the C compiler's basic +# type sizes). +Fixed32Decoder = _StructPackDecoder(wire_format.WIRETYPE_FIXED32, ' end: + raise _DecodeError('Truncated string.') + value.append(_ConvertToUnicode(buffer[pos:new_pos])) + # Predict that the next tag is another copy of the same repeated field. + pos = new_pos + tag_len + if buffer[new_pos:pos] != tag_bytes or new_pos == end: + # Prediction failed. Return. + return new_pos + return DecodeRepeatedField + else: + def DecodeField(buffer, pos, end, message, field_dict): + (size, pos) = local_DecodeVarint(buffer, pos) + new_pos = pos + size + if new_pos > end: + raise _DecodeError('Truncated string.') + if clear_if_default and not size: + field_dict.pop(key, None) + else: + field_dict[key] = _ConvertToUnicode(buffer[pos:new_pos]) + return new_pos + return DecodeField + + +def BytesDecoder(field_number, is_repeated, is_packed, key, new_default, + clear_if_default=False): + """Returns a decoder for a bytes field.""" + + local_DecodeVarint = _DecodeVarint + + assert not is_packed + if is_repeated: + tag_bytes = encoder.TagBytes(field_number, + wire_format.WIRETYPE_LENGTH_DELIMITED) + tag_len = len(tag_bytes) + def DecodeRepeatedField(buffer, pos, end, message, field_dict): + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + while 1: + (size, pos) = local_DecodeVarint(buffer, pos) + new_pos = pos + size + if new_pos > end: + raise _DecodeError('Truncated string.') + value.append(buffer[pos:new_pos].tobytes()) + # Predict that the next tag is another copy of the same repeated field. + pos = new_pos + tag_len + if buffer[new_pos:pos] != tag_bytes or new_pos == end: + # Prediction failed. Return. + return new_pos + return DecodeRepeatedField + else: + def DecodeField(buffer, pos, end, message, field_dict): + (size, pos) = local_DecodeVarint(buffer, pos) + new_pos = pos + size + if new_pos > end: + raise _DecodeError('Truncated string.') + if clear_if_default and not size: + field_dict.pop(key, None) + else: + field_dict[key] = buffer[pos:new_pos].tobytes() + return new_pos + return DecodeField + + +def GroupDecoder(field_number, is_repeated, is_packed, key, new_default): + """Returns a decoder for a group field.""" + + end_tag_bytes = encoder.TagBytes(field_number, + wire_format.WIRETYPE_END_GROUP) + end_tag_len = len(end_tag_bytes) + + assert not is_packed + if is_repeated: + tag_bytes = encoder.TagBytes(field_number, + wire_format.WIRETYPE_START_GROUP) + tag_len = len(tag_bytes) + def DecodeRepeatedField(buffer, pos, end, message, field_dict): + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + while 1: + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + # Read sub-message. + pos = value.add()._InternalParse(buffer, pos, end) + # Read end tag. + new_pos = pos+end_tag_len + if buffer[pos:new_pos] != end_tag_bytes or new_pos > end: + raise _DecodeError('Missing group end tag.') + # Predict that the next tag is another copy of the same repeated field. + pos = new_pos + tag_len + if buffer[new_pos:pos] != tag_bytes or new_pos == end: + # Prediction failed. Return. + return new_pos + return DecodeRepeatedField + else: + def DecodeField(buffer, pos, end, message, field_dict): + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + # Read sub-message. + pos = value._InternalParse(buffer, pos, end) + # Read end tag. + new_pos = pos+end_tag_len + if buffer[pos:new_pos] != end_tag_bytes or new_pos > end: + raise _DecodeError('Missing group end tag.') + return new_pos + return DecodeField + + +def MessageDecoder(field_number, is_repeated, is_packed, key, new_default): + """Returns a decoder for a message field.""" + + local_DecodeVarint = _DecodeVarint + + assert not is_packed + if is_repeated: + tag_bytes = encoder.TagBytes(field_number, + wire_format.WIRETYPE_LENGTH_DELIMITED) + tag_len = len(tag_bytes) + def DecodeRepeatedField(buffer, pos, end, message, field_dict): + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + while 1: + # Read length. + (size, pos) = local_DecodeVarint(buffer, pos) + new_pos = pos + size + if new_pos > end: + raise _DecodeError('Truncated message.') + # Read sub-message. + if value.add()._InternalParse(buffer, pos, new_pos) != new_pos: + # The only reason _InternalParse would return early is if it + # encountered an end-group tag. + raise _DecodeError('Unexpected end-group tag.') + # Predict that the next tag is another copy of the same repeated field. + pos = new_pos + tag_len + if buffer[new_pos:pos] != tag_bytes or new_pos == end: + # Prediction failed. Return. + return new_pos + return DecodeRepeatedField + else: + def DecodeField(buffer, pos, end, message, field_dict): + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + # Read length. + (size, pos) = local_DecodeVarint(buffer, pos) + new_pos = pos + size + if new_pos > end: + raise _DecodeError('Truncated message.') + # Read sub-message. + if value._InternalParse(buffer, pos, new_pos) != new_pos: + # The only reason _InternalParse would return early is if it encountered + # an end-group tag. + raise _DecodeError('Unexpected end-group tag.') + return new_pos + return DecodeField + + +# -------------------------------------------------------------------- + +MESSAGE_SET_ITEM_TAG = encoder.TagBytes(1, wire_format.WIRETYPE_START_GROUP) + +def MessageSetItemDecoder(descriptor): + """Returns a decoder for a MessageSet item. + + The parameter is the message Descriptor. + + The message set message looks like this: + message MessageSet { + repeated group Item = 1 { + required int32 type_id = 2; + required string message = 3; + } + } + """ + + type_id_tag_bytes = encoder.TagBytes(2, wire_format.WIRETYPE_VARINT) + message_tag_bytes = encoder.TagBytes(3, wire_format.WIRETYPE_LENGTH_DELIMITED) + item_end_tag_bytes = encoder.TagBytes(1, wire_format.WIRETYPE_END_GROUP) + + local_ReadTag = ReadTag + local_DecodeVarint = _DecodeVarint + local_SkipField = SkipField + + def DecodeItem(buffer, pos, end, message, field_dict): + """Decode serialized message set to its value and new position. + + Args: + buffer: memoryview of the serialized bytes. + pos: int, position in the memory view to start at. + end: int, end position of serialized data + message: Message object to store unknown fields in + field_dict: Map[Descriptor, Any] to store decoded values in. + + Returns: + int, new position in serialized data. + """ + message_set_item_start = pos + type_id = -1 + message_start = -1 + message_end = -1 + + # Technically, type_id and message can appear in any order, so we need + # a little loop here. + while 1: + (tag_bytes, pos) = local_ReadTag(buffer, pos) + if tag_bytes == type_id_tag_bytes: + (type_id, pos) = local_DecodeVarint(buffer, pos) + elif tag_bytes == message_tag_bytes: + (size, message_start) = local_DecodeVarint(buffer, pos) + pos = message_end = message_start + size + elif tag_bytes == item_end_tag_bytes: + break + else: + pos = SkipField(buffer, pos, end, tag_bytes) + if pos == -1: + raise _DecodeError('Missing group end tag.') + + if pos > end: + raise _DecodeError('Truncated message.') + + if type_id == -1: + raise _DecodeError('MessageSet item missing type_id.') + if message_start == -1: + raise _DecodeError('MessageSet item missing message.') + + extension = message.Extensions._FindExtensionByNumber(type_id) + # pylint: disable=protected-access + if extension is not None: + value = field_dict.get(extension) + if value is None: + message_type = extension.message_type + if not hasattr(message_type, '_concrete_class'): + # pylint: disable=protected-access + message._FACTORY.GetPrototype(message_type) + value = field_dict.setdefault( + extension, message_type._concrete_class()) + if value._InternalParse(buffer, message_start,message_end) != message_end: + # The only reason _InternalParse would return early is if it encountered + # an end-group tag. + raise _DecodeError('Unexpected end-group tag.') + else: + if not message._unknown_fields: + message._unknown_fields = [] + message._unknown_fields.append( + (MESSAGE_SET_ITEM_TAG, buffer[message_set_item_start:pos].tobytes())) + if message._unknown_field_set is None: + message._unknown_field_set = containers.UnknownFieldSet() + message._unknown_field_set._add( + type_id, + wire_format.WIRETYPE_LENGTH_DELIMITED, + buffer[message_start:message_end].tobytes()) + # pylint: enable=protected-access + + return pos + + return DecodeItem + + +def UnknownMessageSetItemDecoder(): + """Returns a decoder for a Unknown MessageSet item.""" + + type_id_tag_bytes = encoder.TagBytes(2, wire_format.WIRETYPE_VARINT) + message_tag_bytes = encoder.TagBytes(3, wire_format.WIRETYPE_LENGTH_DELIMITED) + item_end_tag_bytes = encoder.TagBytes(1, wire_format.WIRETYPE_END_GROUP) + + def DecodeUnknownItem(buffer): + pos = 0 + end = len(buffer) + message_start = -1 + message_end = -1 + while 1: + (tag_bytes, pos) = ReadTag(buffer, pos) + if tag_bytes == type_id_tag_bytes: + (type_id, pos) = _DecodeVarint(buffer, pos) + elif tag_bytes == message_tag_bytes: + (size, message_start) = _DecodeVarint(buffer, pos) + pos = message_end = message_start + size + elif tag_bytes == item_end_tag_bytes: + break + else: + pos = SkipField(buffer, pos, end, tag_bytes) + if pos == -1: + raise _DecodeError('Missing group end tag.') + + if pos > end: + raise _DecodeError('Truncated message.') + + if type_id == -1: + raise _DecodeError('MessageSet item missing type_id.') + if message_start == -1: + raise _DecodeError('MessageSet item missing message.') + + return (type_id, buffer[message_start:message_end].tobytes()) + + return DecodeUnknownItem + +# -------------------------------------------------------------------- + +def MapDecoder(field_descriptor, new_default, is_message_map): + """Returns a decoder for a map field.""" + + key = field_descriptor + tag_bytes = encoder.TagBytes(field_descriptor.number, + wire_format.WIRETYPE_LENGTH_DELIMITED) + tag_len = len(tag_bytes) + local_DecodeVarint = _DecodeVarint + # Can't read _concrete_class yet; might not be initialized. + message_type = field_descriptor.message_type + + def DecodeMap(buffer, pos, end, message, field_dict): + submsg = message_type._concrete_class() + value = field_dict.get(key) + if value is None: + value = field_dict.setdefault(key, new_default(message)) + while 1: + # Read length. + (size, pos) = local_DecodeVarint(buffer, pos) + new_pos = pos + size + if new_pos > end: + raise _DecodeError('Truncated message.') + # Read sub-message. + submsg.Clear() + if submsg._InternalParse(buffer, pos, new_pos) != new_pos: + # The only reason _InternalParse would return early is if it + # encountered an end-group tag. + raise _DecodeError('Unexpected end-group tag.') + + if is_message_map: + value[submsg.key].CopyFrom(submsg.value) + else: + value[submsg.key] = submsg.value + + # Predict that the next tag is another copy of the same repeated field. + pos = new_pos + tag_len + if buffer[new_pos:pos] != tag_bytes or new_pos == end: + # Prediction failed. Return. + return new_pos + + return DecodeMap + +# -------------------------------------------------------------------- +# Optimization is not as heavy here because calls to SkipField() are rare, +# except for handling end-group tags. + +def _SkipVarint(buffer, pos, end): + """Skip a varint value. Returns the new position.""" + # Previously ord(buffer[pos]) raised IndexError when pos is out of range. + # With this code, ord(b'') raises TypeError. Both are handled in + # python_message.py to generate a 'Truncated message' error. + while ord(buffer[pos:pos+1].tobytes()) & 0x80: + pos += 1 + pos += 1 + if pos > end: + raise _DecodeError('Truncated message.') + return pos + +def _SkipFixed64(buffer, pos, end): + """Skip a fixed64 value. Returns the new position.""" + + pos += 8 + if pos > end: + raise _DecodeError('Truncated message.') + return pos + + +def _DecodeFixed64(buffer, pos): + """Decode a fixed64.""" + new_pos = pos + 8 + return (struct.unpack(' end: + raise _DecodeError('Truncated message.') + return pos + + +def _SkipGroup(buffer, pos, end): + """Skip sub-group. Returns the new position.""" + + while 1: + (tag_bytes, pos) = ReadTag(buffer, pos) + new_pos = SkipField(buffer, pos, end, tag_bytes) + if new_pos == -1: + return pos + pos = new_pos + + +def _DecodeUnknownFieldSet(buffer, pos, end_pos=None): + """Decode UnknownFieldSet. Returns the UnknownFieldSet and new position.""" + + unknown_field_set = containers.UnknownFieldSet() + while end_pos is None or pos < end_pos: + (tag_bytes, pos) = ReadTag(buffer, pos) + (tag, _) = _DecodeVarint(tag_bytes, 0) + field_number, wire_type = wire_format.UnpackTag(tag) + if wire_type == wire_format.WIRETYPE_END_GROUP: + break + (data, pos) = _DecodeUnknownField(buffer, pos, wire_type) + # pylint: disable=protected-access + unknown_field_set._add(field_number, wire_type, data) + + return (unknown_field_set, pos) + + +def _DecodeUnknownField(buffer, pos, wire_type): + """Decode a unknown field. Returns the UnknownField and new position.""" + + if wire_type == wire_format.WIRETYPE_VARINT: + (data, pos) = _DecodeVarint(buffer, pos) + elif wire_type == wire_format.WIRETYPE_FIXED64: + (data, pos) = _DecodeFixed64(buffer, pos) + elif wire_type == wire_format.WIRETYPE_FIXED32: + (data, pos) = _DecodeFixed32(buffer, pos) + elif wire_type == wire_format.WIRETYPE_LENGTH_DELIMITED: + (size, pos) = _DecodeVarint(buffer, pos) + data = buffer[pos:pos+size].tobytes() + pos += size + elif wire_type == wire_format.WIRETYPE_START_GROUP: + (data, pos) = _DecodeUnknownFieldSet(buffer, pos) + elif wire_type == wire_format.WIRETYPE_END_GROUP: + return (0, -1) + else: + raise _DecodeError('Wrong wire type in tag.') + + return (data, pos) + + +def _EndGroup(buffer, pos, end): + """Skipping an END_GROUP tag returns -1 to tell the parent loop to break.""" + + return -1 + + +def _SkipFixed32(buffer, pos, end): + """Skip a fixed32 value. Returns the new position.""" + + pos += 4 + if pos > end: + raise _DecodeError('Truncated message.') + return pos + + +def _DecodeFixed32(buffer, pos): + """Decode a fixed32.""" + + new_pos = pos + 4 + return (struct.unpack(' + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_NESTED_MESSAGE_ASCII) + + def testCopyToProto_ForeignNestedMessage(self): + TEST_FOREIGN_NESTED_ASCII = """ + name: 'TestForeignNested' + field: < + name: 'foreign_nested' + number: 1 + label: 1 # Optional + type: 11 # TYPE_MESSAGE + type_name: '.protobuf_unittest.TestAllTypes.NestedMessage' + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestForeignNested.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_FOREIGN_NESTED_ASCII) + + def testCopyToProto_ForeignEnum(self): + TEST_FOREIGN_ENUM_ASCII = """ + name: 'ForeignEnum' + value: < + name: 'FOREIGN_FOO' + number: 4 + > + value: < + name: 'FOREIGN_BAR' + number: 5 + > + value: < + name: 'FOREIGN_BAZ' + number: 6 + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.ForeignEnum.DESCRIPTOR, + descriptor_pb2.EnumDescriptorProto, + TEST_FOREIGN_ENUM_ASCII) + + def testCopyToProto_Options(self): + TEST_DEPRECATED_FIELDS_ASCII = """ + name: 'TestDeprecatedFields' + field: < + name: 'deprecated_int32' + number: 1 + label: 1 # Optional + type: 5 # TYPE_INT32 + options: < + deprecated: true + > + > + field { + name: "deprecated_int32_in_oneof" + number: 2 + label: LABEL_OPTIONAL + type: TYPE_INT32 + options { + deprecated: true + } + oneof_index: 0 + } + oneof_decl { + name: "oneof_fields" + } + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestDeprecatedFields.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_DEPRECATED_FIELDS_ASCII) + + def testCopyToProto_AllExtensions(self): + TEST_EMPTY_MESSAGE_WITH_EXTENSIONS_ASCII = """ + name: 'TestEmptyMessageWithExtensions' + extension_range: < + start: 1 + end: 536870912 + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestEmptyMessageWithExtensions.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_EMPTY_MESSAGE_WITH_EXTENSIONS_ASCII) + + def testCopyToProto_SeveralExtensions(self): + TEST_MESSAGE_WITH_SEVERAL_EXTENSIONS_ASCII = """ + name: 'TestMultipleExtensionRanges' + extension_range: < + start: 42 + end: 43 + > + extension_range: < + start: 4143 + end: 4244 + > + extension_range: < + start: 65536 + end: 536870912 + > + """ + + self._InternalTestCopyToProto( + unittest_pb2.TestMultipleExtensionRanges.DESCRIPTOR, + descriptor_pb2.DescriptorProto, + TEST_MESSAGE_WITH_SEVERAL_EXTENSIONS_ASCII) + + def testCopyToProto_FileDescriptor(self): + UNITTEST_IMPORT_FILE_DESCRIPTOR_ASCII = (""" + name: 'google/protobuf/unittest_import.proto' + package: 'protobuf_unittest_import' + dependency: 'google/protobuf/unittest_import_public.proto' + message_type: < + name: 'ImportMessage' + field: < + name: 'd' + number: 1 + label: 1 # Optional + type: 5 # TYPE_INT32 + > + > + """ + + """enum_type: < + name: 'ImportEnum' + value: < + name: 'IMPORT_FOO' + number: 7 + > + value: < + name: 'IMPORT_BAR' + number: 8 + > + value: < + name: 'IMPORT_BAZ' + number: 9 + > + > + enum_type: < + name: 'ImportEnumForMap' + value: < + name: 'UNKNOWN' + number: 0 + > + value: < + name: 'FOO' + number: 1 + > + value: < + name: 'BAR' + number: 2 + > + > + options: < + java_package: 'com.google.protobuf.test' + optimize_for: 1 # SPEED + """ + + """ + cc_enable_arenas: true + > + public_dependency: 0 + """) + self._InternalTestCopyToProto( + unittest_import_pb2.DESCRIPTOR, + descriptor_pb2.FileDescriptorProto, + UNITTEST_IMPORT_FILE_DESCRIPTOR_ASCII) + + def testCopyToProto_ServiceDescriptor(self): + TEST_SERVICE_ASCII = """ + name: 'TestService' + method: < + name: 'Foo' + input_type: '.protobuf_unittest.FooRequest' + output_type: '.protobuf_unittest.FooResponse' + > + method: < + name: 'Bar' + input_type: '.protobuf_unittest.BarRequest' + output_type: '.protobuf_unittest.BarResponse' + > + """ + self._InternalTestCopyToProto( + unittest_pb2.TestService.DESCRIPTOR, + descriptor_pb2.ServiceDescriptorProto, + TEST_SERVICE_ASCII) + + def testCopyToProto_MethodDescriptor(self): + expected_ascii = """ + name: 'Foo' + input_type: '.protobuf_unittest.FooRequest' + output_type: '.protobuf_unittest.FooResponse' + """ + method_descriptor = unittest_pb2.TestService.DESCRIPTOR.FindMethodByName( + 'Foo') + self._InternalTestCopyToProto( + method_descriptor, + descriptor_pb2.MethodDescriptorProto, + expected_ascii) + + @unittest.skipIf( + api_implementation.Type() == 'python', + 'Pure python does not raise error.') + # TODO(jieluo): Fix pure python to check with the proto type. + def testCopyToProto_TypeError(self): + file_proto = descriptor_pb2.FileDescriptorProto() + self.assertRaises(TypeError, + unittest_pb2.TestEmptyMessage.DESCRIPTOR.CopyToProto, + file_proto) + self.assertRaises(TypeError, + unittest_pb2.ForeignEnum.DESCRIPTOR.CopyToProto, + file_proto) + self.assertRaises(TypeError, + unittest_pb2.TestService.DESCRIPTOR.CopyToProto, + file_proto) + proto = descriptor_pb2.DescriptorProto() + self.assertRaises(TypeError, + unittest_import_pb2.DESCRIPTOR.CopyToProto, + proto) + + +class MakeDescriptorTest(unittest.TestCase): + + def testMakeDescriptorWithNestedFields(self): + file_descriptor_proto = descriptor_pb2.FileDescriptorProto() + file_descriptor_proto.name = 'Foo2' + message_type = file_descriptor_proto.message_type.add() + message_type.name = file_descriptor_proto.name + nested_type = message_type.nested_type.add() + nested_type.name = 'Sub' + enum_type = nested_type.enum_type.add() + enum_type.name = 'FOO' + enum_type_val = enum_type.value.add() + enum_type_val.name = 'BAR' + enum_type_val.number = 3 + field = message_type.field.add() + field.number = 1 + field.name = 'uint64_field' + field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + field.type = descriptor.FieldDescriptor.TYPE_UINT64 + field = message_type.field.add() + field.number = 2 + field.name = 'nested_message_field' + field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + field.type = descriptor.FieldDescriptor.TYPE_MESSAGE + field.type_name = 'Sub' + enum_field = nested_type.field.add() + enum_field.number = 2 + enum_field.name = 'bar_field' + enum_field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + enum_field.type = descriptor.FieldDescriptor.TYPE_ENUM + enum_field.type_name = 'Foo2.Sub.FOO' + + result = descriptor.MakeDescriptor(message_type) + self.assertEqual(result.fields[0].cpp_type, + descriptor.FieldDescriptor.CPPTYPE_UINT64) + self.assertEqual(result.fields[1].cpp_type, + descriptor.FieldDescriptor.CPPTYPE_MESSAGE) + self.assertEqual(result.fields[1].message_type.containing_type, + result) + self.assertEqual(result.nested_types[0].fields[0].full_name, + 'Foo2.Sub.bar_field') + self.assertEqual(result.nested_types[0].fields[0].enum_type, + result.nested_types[0].enum_types[0]) + self.assertFalse(result.has_options) + self.assertFalse(result.fields[0].has_options) + if api_implementation.Type() == 'cpp': + with self.assertRaises(AttributeError): + result.fields[0].has_options = False + + def testMakeDescriptorWithUnsignedIntField(self): + file_descriptor_proto = descriptor_pb2.FileDescriptorProto() + file_descriptor_proto.name = 'Foo' + message_type = file_descriptor_proto.message_type.add() + message_type.name = file_descriptor_proto.name + enum_type = message_type.enum_type.add() + enum_type.name = 'FOO' + enum_type_val = enum_type.value.add() + enum_type_val.name = 'BAR' + enum_type_val.number = 3 + field = message_type.field.add() + field.number = 1 + field.name = 'uint64_field' + field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + field.type = descriptor.FieldDescriptor.TYPE_UINT64 + enum_field = message_type.field.add() + enum_field.number = 2 + enum_field.name = 'bar_field' + enum_field.label = descriptor.FieldDescriptor.LABEL_REQUIRED + enum_field.type = descriptor.FieldDescriptor.TYPE_ENUM + enum_field.type_name = 'Foo.FOO' + + result = descriptor.MakeDescriptor(message_type) + self.assertEqual(result.fields[0].cpp_type, + descriptor.FieldDescriptor.CPPTYPE_UINT64) + + + def testMakeDescriptorWithOptions(self): + descriptor_proto = descriptor_pb2.DescriptorProto() + aggregate_message = unittest_custom_options_pb2.AggregateMessage + aggregate_message.DESCRIPTOR.CopyToProto(descriptor_proto) + reformed_descriptor = descriptor.MakeDescriptor(descriptor_proto) + + options = reformed_descriptor.GetOptions() + self.assertEqual(101, + options.Extensions[unittest_custom_options_pb2.msgopt].i) + + def testCamelcaseName(self): + descriptor_proto = descriptor_pb2.DescriptorProto() + descriptor_proto.name = 'Bar' + names = ['foo_foo', 'FooBar', 'fooBaz', 'fooFoo', 'foobar'] + camelcase_names = ['fooFoo', 'fooBar', 'fooBaz', 'fooFoo', 'foobar'] + for index in range(len(names)): + field = descriptor_proto.field.add() + field.number = index + 1 + field.name = names[index] + result = descriptor.MakeDescriptor(descriptor_proto) + for index in range(len(camelcase_names)): + self.assertEqual(result.fields[index].camelcase_name, + camelcase_names[index]) + + def testJsonName(self): + descriptor_proto = descriptor_pb2.DescriptorProto() + descriptor_proto.name = 'TestJsonName' + names = ['field_name', 'fieldName', 'FieldName', + '_field_name', 'FIELD_NAME', 'json_name'] + json_names = ['fieldName', 'fieldName', 'FieldName', + 'FieldName', 'FIELDNAME', '@type'] + for index in range(len(names)): + field = descriptor_proto.field.add() + field.number = index + 1 + field.name = names[index] + field.json_name = '@type' + result = descriptor.MakeDescriptor(descriptor_proto) + for index in range(len(json_names)): + self.assertEqual(result.fields[index].json_name, + json_names[index]) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/encoder.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/encoder.py new file mode 100644 index 0000000..4b4f652 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/encoder.py @@ -0,0 +1,829 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Code for encoding protocol message primitives. + +Contains the logic for encoding every logical protocol field type +into one of the 5 physical wire types. + +This code is designed to push the Python interpreter's performance to the +limits. + +The basic idea is that at startup time, for every field (i.e. every +FieldDescriptor) we construct two functions: a "sizer" and an "encoder". The +sizer takes a value of this field's type and computes its byte size. The +encoder takes a writer function and a value. It encodes the value into byte +strings and invokes the writer function to write those strings. Typically the +writer function is the write() method of a BytesIO. + +We try to do as much work as possible when constructing the writer and the +sizer rather than when calling them. In particular: +* We copy any needed global functions to local variables, so that we do not need + to do costly global table lookups at runtime. +* Similarly, we try to do any attribute lookups at startup time if possible. +* Every field's tag is encoded to bytes at startup, since it can't change at + runtime. +* Whatever component of the field size we can compute at startup, we do. +* We *avoid* sharing code if doing so would make the code slower and not sharing + does not burden us too much. For example, encoders for repeated fields do + not just call the encoders for singular fields in a loop because this would + add an extra function call overhead for every loop iteration; instead, we + manually inline the single-value encoder into the loop. +* If a Python function lacks a return statement, Python actually generates + instructions to pop the result of the last statement off the stack, push + None onto the stack, and then return that. If we really don't care what + value is returned, then we can save two instructions by returning the + result of the last statement. It looks funny but it helps. +* We assume that type and bounds checking has happened at a higher level. +""" + +__author__ = 'kenton@google.com (Kenton Varda)' + +import struct + +from google.protobuf.internal import wire_format + + +# This will overflow and thus become IEEE-754 "infinity". We would use +# "float('inf')" but it doesn't work on Windows pre-Python-2.6. +_POS_INF = 1e10000 +_NEG_INF = -_POS_INF + + +def _VarintSize(value): + """Compute the size of a varint value.""" + if value <= 0x7f: return 1 + if value <= 0x3fff: return 2 + if value <= 0x1fffff: return 3 + if value <= 0xfffffff: return 4 + if value <= 0x7ffffffff: return 5 + if value <= 0x3ffffffffff: return 6 + if value <= 0x1ffffffffffff: return 7 + if value <= 0xffffffffffffff: return 8 + if value <= 0x7fffffffffffffff: return 9 + return 10 + + +def _SignedVarintSize(value): + """Compute the size of a signed varint value.""" + if value < 0: return 10 + if value <= 0x7f: return 1 + if value <= 0x3fff: return 2 + if value <= 0x1fffff: return 3 + if value <= 0xfffffff: return 4 + if value <= 0x7ffffffff: return 5 + if value <= 0x3ffffffffff: return 6 + if value <= 0x1ffffffffffff: return 7 + if value <= 0xffffffffffffff: return 8 + if value <= 0x7fffffffffffffff: return 9 + return 10 + + +def _TagSize(field_number): + """Returns the number of bytes required to serialize a tag with this field + number.""" + # Just pass in type 0, since the type won't affect the tag+type size. + return _VarintSize(wire_format.PackTag(field_number, 0)) + + +# -------------------------------------------------------------------- +# In this section we define some generic sizers. Each of these functions +# takes parameters specific to a particular field type, e.g. int32 or fixed64. +# It returns another function which in turn takes parameters specific to a +# particular field, e.g. the field number and whether it is repeated or packed. +# Look at the next section to see how these are used. + + +def _SimpleSizer(compute_value_size): + """A sizer which uses the function compute_value_size to compute the size of + each value. Typically compute_value_size is _VarintSize.""" + + def SpecificSizer(field_number, is_repeated, is_packed): + tag_size = _TagSize(field_number) + if is_packed: + local_VarintSize = _VarintSize + def PackedFieldSize(value): + result = 0 + for element in value: + result += compute_value_size(element) + return result + local_VarintSize(result) + tag_size + return PackedFieldSize + elif is_repeated: + def RepeatedFieldSize(value): + result = tag_size * len(value) + for element in value: + result += compute_value_size(element) + return result + return RepeatedFieldSize + else: + def FieldSize(value): + return tag_size + compute_value_size(value) + return FieldSize + + return SpecificSizer + + +def _ModifiedSizer(compute_value_size, modify_value): + """Like SimpleSizer, but modify_value is invoked on each value before it is + passed to compute_value_size. modify_value is typically ZigZagEncode.""" + + def SpecificSizer(field_number, is_repeated, is_packed): + tag_size = _TagSize(field_number) + if is_packed: + local_VarintSize = _VarintSize + def PackedFieldSize(value): + result = 0 + for element in value: + result += compute_value_size(modify_value(element)) + return result + local_VarintSize(result) + tag_size + return PackedFieldSize + elif is_repeated: + def RepeatedFieldSize(value): + result = tag_size * len(value) + for element in value: + result += compute_value_size(modify_value(element)) + return result + return RepeatedFieldSize + else: + def FieldSize(value): + return tag_size + compute_value_size(modify_value(value)) + return FieldSize + + return SpecificSizer + + +def _FixedSizer(value_size): + """Like _SimpleSizer except for a fixed-size field. The input is the size + of one value.""" + + def SpecificSizer(field_number, is_repeated, is_packed): + tag_size = _TagSize(field_number) + if is_packed: + local_VarintSize = _VarintSize + def PackedFieldSize(value): + result = len(value) * value_size + return result + local_VarintSize(result) + tag_size + return PackedFieldSize + elif is_repeated: + element_size = value_size + tag_size + def RepeatedFieldSize(value): + return len(value) * element_size + return RepeatedFieldSize + else: + field_size = value_size + tag_size + def FieldSize(value): + return field_size + return FieldSize + + return SpecificSizer + + +# ==================================================================== +# Here we declare a sizer constructor for each field type. Each "sizer +# constructor" is a function that takes (field_number, is_repeated, is_packed) +# as parameters and returns a sizer, which in turn takes a field value as +# a parameter and returns its encoded size. + + +Int32Sizer = Int64Sizer = EnumSizer = _SimpleSizer(_SignedVarintSize) + +UInt32Sizer = UInt64Sizer = _SimpleSizer(_VarintSize) + +SInt32Sizer = SInt64Sizer = _ModifiedSizer( + _SignedVarintSize, wire_format.ZigZagEncode) + +Fixed32Sizer = SFixed32Sizer = FloatSizer = _FixedSizer(4) +Fixed64Sizer = SFixed64Sizer = DoubleSizer = _FixedSizer(8) + +BoolSizer = _FixedSizer(1) + + +def StringSizer(field_number, is_repeated, is_packed): + """Returns a sizer for a string field.""" + + tag_size = _TagSize(field_number) + local_VarintSize = _VarintSize + local_len = len + assert not is_packed + if is_repeated: + def RepeatedFieldSize(value): + result = tag_size * len(value) + for element in value: + l = local_len(element.encode('utf-8')) + result += local_VarintSize(l) + l + return result + return RepeatedFieldSize + else: + def FieldSize(value): + l = local_len(value.encode('utf-8')) + return tag_size + local_VarintSize(l) + l + return FieldSize + + +def BytesSizer(field_number, is_repeated, is_packed): + """Returns a sizer for a bytes field.""" + + tag_size = _TagSize(field_number) + local_VarintSize = _VarintSize + local_len = len + assert not is_packed + if is_repeated: + def RepeatedFieldSize(value): + result = tag_size * len(value) + for element in value: + l = local_len(element) + result += local_VarintSize(l) + l + return result + return RepeatedFieldSize + else: + def FieldSize(value): + l = local_len(value) + return tag_size + local_VarintSize(l) + l + return FieldSize + + +def GroupSizer(field_number, is_repeated, is_packed): + """Returns a sizer for a group field.""" + + tag_size = _TagSize(field_number) * 2 + assert not is_packed + if is_repeated: + def RepeatedFieldSize(value): + result = tag_size * len(value) + for element in value: + result += element.ByteSize() + return result + return RepeatedFieldSize + else: + def FieldSize(value): + return tag_size + value.ByteSize() + return FieldSize + + +def MessageSizer(field_number, is_repeated, is_packed): + """Returns a sizer for a message field.""" + + tag_size = _TagSize(field_number) + local_VarintSize = _VarintSize + assert not is_packed + if is_repeated: + def RepeatedFieldSize(value): + result = tag_size * len(value) + for element in value: + l = element.ByteSize() + result += local_VarintSize(l) + l + return result + return RepeatedFieldSize + else: + def FieldSize(value): + l = value.ByteSize() + return tag_size + local_VarintSize(l) + l + return FieldSize + + +# -------------------------------------------------------------------- +# MessageSet is special: it needs custom logic to compute its size properly. + + +def MessageSetItemSizer(field_number): + """Returns a sizer for extensions of MessageSet. + + The message set message looks like this: + message MessageSet { + repeated group Item = 1 { + required int32 type_id = 2; + required string message = 3; + } + } + """ + static_size = (_TagSize(1) * 2 + _TagSize(2) + _VarintSize(field_number) + + _TagSize(3)) + local_VarintSize = _VarintSize + + def FieldSize(value): + l = value.ByteSize() + return static_size + local_VarintSize(l) + l + + return FieldSize + + +# -------------------------------------------------------------------- +# Map is special: it needs custom logic to compute its size properly. + + +def MapSizer(field_descriptor, is_message_map): + """Returns a sizer for a map field.""" + + # Can't look at field_descriptor.message_type._concrete_class because it may + # not have been initialized yet. + message_type = field_descriptor.message_type + message_sizer = MessageSizer(field_descriptor.number, False, False) + + def FieldSize(map_value): + total = 0 + for key in map_value: + value = map_value[key] + # It's wasteful to create the messages and throw them away one second + # later since we'll do the same for the actual encode. But there's not an + # obvious way to avoid this within the current design without tons of code + # duplication. For message map, value.ByteSize() should be called to + # update the status. + entry_msg = message_type._concrete_class(key=key, value=value) + total += message_sizer(entry_msg) + if is_message_map: + value.ByteSize() + return total + + return FieldSize + +# ==================================================================== +# Encoders! + + +def _VarintEncoder(): + """Return an encoder for a basic varint value (does not include tag).""" + + local_int2byte = struct.Struct('>B').pack + + def EncodeVarint(write, value, unused_deterministic=None): + bits = value & 0x7f + value >>= 7 + while value: + write(local_int2byte(0x80|bits)) + bits = value & 0x7f + value >>= 7 + return write(local_int2byte(bits)) + + return EncodeVarint + + +def _SignedVarintEncoder(): + """Return an encoder for a basic signed varint value (does not include + tag).""" + + local_int2byte = struct.Struct('>B').pack + + def EncodeSignedVarint(write, value, unused_deterministic=None): + if value < 0: + value += (1 << 64) + bits = value & 0x7f + value >>= 7 + while value: + write(local_int2byte(0x80|bits)) + bits = value & 0x7f + value >>= 7 + return write(local_int2byte(bits)) + + return EncodeSignedVarint + + +_EncodeVarint = _VarintEncoder() +_EncodeSignedVarint = _SignedVarintEncoder() + + +def _VarintBytes(value): + """Encode the given integer as a varint and return the bytes. This is only + called at startup time so it doesn't need to be fast.""" + + pieces = [] + _EncodeVarint(pieces.append, value, True) + return b"".join(pieces) + + +def TagBytes(field_number, wire_type): + """Encode the given tag and return the bytes. Only called at startup.""" + + return bytes(_VarintBytes(wire_format.PackTag(field_number, wire_type))) + +# -------------------------------------------------------------------- +# As with sizers (see above), we have a number of common encoder +# implementations. + + +def _SimpleEncoder(wire_type, encode_value, compute_value_size): + """Return a constructor for an encoder for fields of a particular type. + + Args: + wire_type: The field's wire type, for encoding tags. + encode_value: A function which encodes an individual value, e.g. + _EncodeVarint(). + compute_value_size: A function which computes the size of an individual + value, e.g. _VarintSize(). + """ + + def SpecificEncoder(field_number, is_repeated, is_packed): + if is_packed: + tag_bytes = TagBytes(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED) + local_EncodeVarint = _EncodeVarint + def EncodePackedField(write, value, deterministic): + write(tag_bytes) + size = 0 + for element in value: + size += compute_value_size(element) + local_EncodeVarint(write, size, deterministic) + for element in value: + encode_value(write, element, deterministic) + return EncodePackedField + elif is_repeated: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeRepeatedField(write, value, deterministic): + for element in value: + write(tag_bytes) + encode_value(write, element, deterministic) + return EncodeRepeatedField + else: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeField(write, value, deterministic): + write(tag_bytes) + return encode_value(write, value, deterministic) + return EncodeField + + return SpecificEncoder + + +def _ModifiedEncoder(wire_type, encode_value, compute_value_size, modify_value): + """Like SimpleEncoder but additionally invokes modify_value on every value + before passing it to encode_value. Usually modify_value is ZigZagEncode.""" + + def SpecificEncoder(field_number, is_repeated, is_packed): + if is_packed: + tag_bytes = TagBytes(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED) + local_EncodeVarint = _EncodeVarint + def EncodePackedField(write, value, deterministic): + write(tag_bytes) + size = 0 + for element in value: + size += compute_value_size(modify_value(element)) + local_EncodeVarint(write, size, deterministic) + for element in value: + encode_value(write, modify_value(element), deterministic) + return EncodePackedField + elif is_repeated: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeRepeatedField(write, value, deterministic): + for element in value: + write(tag_bytes) + encode_value(write, modify_value(element), deterministic) + return EncodeRepeatedField + else: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeField(write, value, deterministic): + write(tag_bytes) + return encode_value(write, modify_value(value), deterministic) + return EncodeField + + return SpecificEncoder + + +def _StructPackEncoder(wire_type, format): + """Return a constructor for an encoder for a fixed-width field. + + Args: + wire_type: The field's wire type, for encoding tags. + format: The format string to pass to struct.pack(). + """ + + value_size = struct.calcsize(format) + + def SpecificEncoder(field_number, is_repeated, is_packed): + local_struct_pack = struct.pack + if is_packed: + tag_bytes = TagBytes(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED) + local_EncodeVarint = _EncodeVarint + def EncodePackedField(write, value, deterministic): + write(tag_bytes) + local_EncodeVarint(write, len(value) * value_size, deterministic) + for element in value: + write(local_struct_pack(format, element)) + return EncodePackedField + elif is_repeated: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeRepeatedField(write, value, unused_deterministic=None): + for element in value: + write(tag_bytes) + write(local_struct_pack(format, element)) + return EncodeRepeatedField + else: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeField(write, value, unused_deterministic=None): + write(tag_bytes) + return write(local_struct_pack(format, value)) + return EncodeField + + return SpecificEncoder + + +def _FloatingPointEncoder(wire_type, format): + """Return a constructor for an encoder for float fields. + + This is like StructPackEncoder, but catches errors that may be due to + passing non-finite floating-point values to struct.pack, and makes a + second attempt to encode those values. + + Args: + wire_type: The field's wire type, for encoding tags. + format: The format string to pass to struct.pack(). + """ + + value_size = struct.calcsize(format) + if value_size == 4: + def EncodeNonFiniteOrRaise(write, value): + # Remember that the serialized form uses little-endian byte order. + if value == _POS_INF: + write(b'\x00\x00\x80\x7F') + elif value == _NEG_INF: + write(b'\x00\x00\x80\xFF') + elif value != value: # NaN + write(b'\x00\x00\xC0\x7F') + else: + raise + elif value_size == 8: + def EncodeNonFiniteOrRaise(write, value): + if value == _POS_INF: + write(b'\x00\x00\x00\x00\x00\x00\xF0\x7F') + elif value == _NEG_INF: + write(b'\x00\x00\x00\x00\x00\x00\xF0\xFF') + elif value != value: # NaN + write(b'\x00\x00\x00\x00\x00\x00\xF8\x7F') + else: + raise + else: + raise ValueError('Can\'t encode floating-point values that are ' + '%d bytes long (only 4 or 8)' % value_size) + + def SpecificEncoder(field_number, is_repeated, is_packed): + local_struct_pack = struct.pack + if is_packed: + tag_bytes = TagBytes(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED) + local_EncodeVarint = _EncodeVarint + def EncodePackedField(write, value, deterministic): + write(tag_bytes) + local_EncodeVarint(write, len(value) * value_size, deterministic) + for element in value: + # This try/except block is going to be faster than any code that + # we could write to check whether element is finite. + try: + write(local_struct_pack(format, element)) + except SystemError: + EncodeNonFiniteOrRaise(write, element) + return EncodePackedField + elif is_repeated: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeRepeatedField(write, value, unused_deterministic=None): + for element in value: + write(tag_bytes) + try: + write(local_struct_pack(format, element)) + except SystemError: + EncodeNonFiniteOrRaise(write, element) + return EncodeRepeatedField + else: + tag_bytes = TagBytes(field_number, wire_type) + def EncodeField(write, value, unused_deterministic=None): + write(tag_bytes) + try: + write(local_struct_pack(format, value)) + except SystemError: + EncodeNonFiniteOrRaise(write, value) + return EncodeField + + return SpecificEncoder + + +# ==================================================================== +# Here we declare an encoder constructor for each field type. These work +# very similarly to sizer constructors, described earlier. + + +Int32Encoder = Int64Encoder = EnumEncoder = _SimpleEncoder( + wire_format.WIRETYPE_VARINT, _EncodeSignedVarint, _SignedVarintSize) + +UInt32Encoder = UInt64Encoder = _SimpleEncoder( + wire_format.WIRETYPE_VARINT, _EncodeVarint, _VarintSize) + +SInt32Encoder = SInt64Encoder = _ModifiedEncoder( + wire_format.WIRETYPE_VARINT, _EncodeVarint, _VarintSize, + wire_format.ZigZagEncode) + +# Note that Python conveniently guarantees that when using the '<' prefix on +# formats, they will also have the same size across all platforms (as opposed +# to without the prefix, where their sizes depend on the C compiler's basic +# type sizes). +Fixed32Encoder = _StructPackEncoder(wire_format.WIRETYPE_FIXED32, ' str + ValueType = int + + def __init__(self, enum_type): + """Inits EnumTypeWrapper with an EnumDescriptor.""" + self._enum_type = enum_type + self.DESCRIPTOR = enum_type # pylint: disable=invalid-name + + def Name(self, number): # pylint: disable=invalid-name + """Returns a string containing the name of an enum value.""" + try: + return self._enum_type.values_by_number[number].name + except KeyError: + pass # fall out to break exception chaining + + if not isinstance(number, int): + raise TypeError( + 'Enum value for {} must be an int, but got {} {!r}.'.format( + self._enum_type.name, type(number), number)) + else: + # repr here to handle the odd case when you pass in a boolean. + raise ValueError('Enum {} has no name defined for value {!r}'.format( + self._enum_type.name, number)) + + def Value(self, name): # pylint: disable=invalid-name + """Returns the value corresponding to the given enum name.""" + try: + return self._enum_type.values_by_name[name].number + except KeyError: + pass # fall out to break exception chaining + raise ValueError('Enum {} has no value defined for name {!r}'.format( + self._enum_type.name, name)) + + def keys(self): + """Return a list of the string names in the enum. + + Returns: + A list of strs, in the order they were defined in the .proto file. + """ + + return [value_descriptor.name + for value_descriptor in self._enum_type.values] + + def values(self): + """Return a list of the integer values in the enum. + + Returns: + A list of ints, in the order they were defined in the .proto file. + """ + + return [value_descriptor.number + for value_descriptor in self._enum_type.values] + + def items(self): + """Return a list of the (name, value) pairs of the enum. + + Returns: + A list of (str, int) pairs, in the order they were defined + in the .proto file. + """ + return [(value_descriptor.name, value_descriptor.number) + for value_descriptor in self._enum_type.values] + + def __getattr__(self, name): + """Returns the value corresponding to the given enum name.""" + try: + return super( + EnumTypeWrapper, + self).__getattribute__('_enum_type').values_by_name[name].number + except KeyError: + pass # fall out to break exception chaining + raise AttributeError('Enum {} has no value defined for name {!r}'.format( + self._enum_type.name, name)) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/extension_dict.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/extension_dict.py new file mode 100644 index 0000000..b346cf2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/extension_dict.py @@ -0,0 +1,213 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Contains _ExtensionDict class to represent extensions. +""" + +from google.protobuf.internal import type_checkers +from google.protobuf.descriptor import FieldDescriptor + + +def _VerifyExtensionHandle(message, extension_handle): + """Verify that the given extension handle is valid.""" + + if not isinstance(extension_handle, FieldDescriptor): + raise KeyError('HasExtension() expects an extension handle, got: %s' % + extension_handle) + + if not extension_handle.is_extension: + raise KeyError('"%s" is not an extension.' % extension_handle.full_name) + + if not extension_handle.containing_type: + raise KeyError('"%s" is missing a containing_type.' + % extension_handle.full_name) + + if extension_handle.containing_type is not message.DESCRIPTOR: + raise KeyError('Extension "%s" extends message type "%s", but this ' + 'message is of type "%s".' % + (extension_handle.full_name, + extension_handle.containing_type.full_name, + message.DESCRIPTOR.full_name)) + + +# TODO(robinson): Unify error handling of "unknown extension" crap. +# TODO(robinson): Support iteritems()-style iteration over all +# extensions with the "has" bits turned on? +class _ExtensionDict(object): + + """Dict-like container for Extension fields on proto instances. + + Note that in all cases we expect extension handles to be + FieldDescriptors. + """ + + def __init__(self, extended_message): + """ + Args: + extended_message: Message instance for which we are the Extensions dict. + """ + self._extended_message = extended_message + + def __getitem__(self, extension_handle): + """Returns the current value of the given extension handle.""" + + _VerifyExtensionHandle(self._extended_message, extension_handle) + + result = self._extended_message._fields.get(extension_handle) + if result is not None: + return result + + if extension_handle.label == FieldDescriptor.LABEL_REPEATED: + result = extension_handle._default_constructor(self._extended_message) + elif extension_handle.cpp_type == FieldDescriptor.CPPTYPE_MESSAGE: + message_type = extension_handle.message_type + if not hasattr(message_type, '_concrete_class'): + # pylint: disable=protected-access + self._extended_message._FACTORY.GetPrototype(message_type) + assert getattr(extension_handle.message_type, '_concrete_class', None), ( + 'Uninitialized concrete class found for field %r (message type %r)' + % (extension_handle.full_name, + extension_handle.message_type.full_name)) + result = extension_handle.message_type._concrete_class() + try: + result._SetListener(self._extended_message._listener_for_children) + except ReferenceError: + pass + else: + # Singular scalar -- just return the default without inserting into the + # dict. + return extension_handle.default_value + + # Atomically check if another thread has preempted us and, if not, swap + # in the new object we just created. If someone has preempted us, we + # take that object and discard ours. + # WARNING: We are relying on setdefault() being atomic. This is true + # in CPython but we haven't investigated others. This warning appears + # in several other locations in this file. + result = self._extended_message._fields.setdefault( + extension_handle, result) + + return result + + def __eq__(self, other): + if not isinstance(other, self.__class__): + return False + + my_fields = self._extended_message.ListFields() + other_fields = other._extended_message.ListFields() + + # Get rid of non-extension fields. + my_fields = [field for field in my_fields if field.is_extension] + other_fields = [field for field in other_fields if field.is_extension] + + return my_fields == other_fields + + def __ne__(self, other): + return not self == other + + def __len__(self): + fields = self._extended_message.ListFields() + # Get rid of non-extension fields. + extension_fields = [field for field in fields if field[0].is_extension] + return len(extension_fields) + + def __hash__(self): + raise TypeError('unhashable object') + + # Note that this is only meaningful for non-repeated, scalar extension + # fields. Note also that we may have to call _Modified() when we do + # successfully set a field this way, to set any necessary "has" bits in the + # ancestors of the extended message. + def __setitem__(self, extension_handle, value): + """If extension_handle specifies a non-repeated, scalar extension + field, sets the value of that field. + """ + + _VerifyExtensionHandle(self._extended_message, extension_handle) + + if (extension_handle.label == FieldDescriptor.LABEL_REPEATED or + extension_handle.cpp_type == FieldDescriptor.CPPTYPE_MESSAGE): + raise TypeError( + 'Cannot assign to extension "%s" because it is a repeated or ' + 'composite type.' % extension_handle.full_name) + + # It's slightly wasteful to lookup the type checker each time, + # but we expect this to be a vanishingly uncommon case anyway. + type_checker = type_checkers.GetTypeChecker(extension_handle) + # pylint: disable=protected-access + self._extended_message._fields[extension_handle] = ( + type_checker.CheckValue(value)) + self._extended_message._Modified() + + def __delitem__(self, extension_handle): + self._extended_message.ClearExtension(extension_handle) + + def _FindExtensionByName(self, name): + """Tries to find a known extension with the specified name. + + Args: + name: Extension full name. + + Returns: + Extension field descriptor. + """ + return self._extended_message._extensions_by_name.get(name, None) + + def _FindExtensionByNumber(self, number): + """Tries to find a known extension with the field number. + + Args: + number: Extension field number. + + Returns: + Extension field descriptor. + """ + return self._extended_message._extensions_by_number.get(number, None) + + def __iter__(self): + # Return a generator over the populated extension fields + return (f[0] for f in self._extended_message.ListFields() + if f[0].is_extension) + + def __contains__(self, extension_handle): + _VerifyExtensionHandle(self._extended_message, extension_handle) + + if extension_handle not in self._extended_message._fields: + return False + + if extension_handle.label == FieldDescriptor.LABEL_REPEATED: + return bool(self._extended_message._fields.get(extension_handle)) + + if extension_handle.cpp_type == FieldDescriptor.CPPTYPE_MESSAGE: + value = self._extended_message._fields.get(extension_handle) + # pylint: disable=protected-access + return value is not None and value._is_present_in_parent + + return True diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/generator_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/generator_test.py new file mode 100644 index 0000000..9883fce --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/generator_test.py @@ -0,0 +1,354 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# TODO(robinson): Flesh this out considerably. We focused on reflection_test.py +# first, since it's testing the subtler code, and since it provides decent +# indirect testing of the protocol compiler output. + +"""Unittest that directly tests the output of the pure-Python protocol +compiler. See //google/protobuf/internal/reflection_test.py for a test which +further ensures that we can use Python protocol message objects as we expect. +""" + +__author__ = 'robinson@google.com (Will Robinson)' + +import unittest + +from google.protobuf.internal import test_bad_identifiers_pb2 +from google.protobuf import unittest_custom_options_pb2 +from google.protobuf import unittest_import_pb2 +from google.protobuf import unittest_import_public_pb2 +from google.protobuf import unittest_mset_pb2 +from google.protobuf import unittest_mset_wire_format_pb2 +from google.protobuf import unittest_no_generic_services_pb2 +from google.protobuf import unittest_pb2 +from google.protobuf import service +from google.protobuf import symbol_database + +MAX_EXTENSION = 536870912 + + +class GeneratorTest(unittest.TestCase): + + def testNestedMessageDescriptor(self): + field_name = 'optional_nested_message' + proto_type = unittest_pb2.TestAllTypes + self.assertEqual( + proto_type.NestedMessage.DESCRIPTOR, + proto_type.DESCRIPTOR.fields_by_name[field_name].message_type) + + def testEnums(self): + # We test only module-level enums here. + # TODO(robinson): Examine descriptors directly to check + # enum descriptor output. + self.assertEqual(4, unittest_pb2.FOREIGN_FOO) + self.assertEqual(5, unittest_pb2.FOREIGN_BAR) + self.assertEqual(6, unittest_pb2.FOREIGN_BAZ) + + proto = unittest_pb2.TestAllTypes() + self.assertEqual(1, proto.FOO) + self.assertEqual(1, unittest_pb2.TestAllTypes.FOO) + self.assertEqual(2, proto.BAR) + self.assertEqual(2, unittest_pb2.TestAllTypes.BAR) + self.assertEqual(3, proto.BAZ) + self.assertEqual(3, unittest_pb2.TestAllTypes.BAZ) + + def testExtremeDefaultValues(self): + message = unittest_pb2.TestExtremeDefaultValues() + + # Python pre-2.6 does not have isinf() or isnan() functions, so we have + # to provide our own. + def isnan(val): + # NaN is never equal to itself. + return val != val + def isinf(val): + # Infinity times zero equals NaN. + return not isnan(val) and isnan(val * 0) + + self.assertTrue(isinf(message.inf_double)) + self.assertTrue(message.inf_double > 0) + self.assertTrue(isinf(message.neg_inf_double)) + self.assertTrue(message.neg_inf_double < 0) + self.assertTrue(isnan(message.nan_double)) + + self.assertTrue(isinf(message.inf_float)) + self.assertTrue(message.inf_float > 0) + self.assertTrue(isinf(message.neg_inf_float)) + self.assertTrue(message.neg_inf_float < 0) + self.assertTrue(isnan(message.nan_float)) + self.assertEqual("? ? ?? ?? ??? ??/ ??-", message.cpp_trigraph) + + def testHasDefaultValues(self): + desc = unittest_pb2.TestAllTypes.DESCRIPTOR + + expected_has_default_by_name = { + 'optional_int32': False, + 'repeated_int32': False, + 'optional_nested_message': False, + 'default_int32': True, + } + + has_default_by_name = dict( + [(f.name, f.has_default_value) + for f in desc.fields + if f.name in expected_has_default_by_name]) + self.assertEqual(expected_has_default_by_name, has_default_by_name) + + def testContainingTypeBehaviorForExtensions(self): + self.assertEqual(unittest_pb2.optional_int32_extension.containing_type, + unittest_pb2.TestAllExtensions.DESCRIPTOR) + self.assertEqual(unittest_pb2.TestRequired.single.containing_type, + unittest_pb2.TestAllExtensions.DESCRIPTOR) + + def testExtensionScope(self): + self.assertEqual(unittest_pb2.optional_int32_extension.extension_scope, + None) + self.assertEqual(unittest_pb2.TestRequired.single.extension_scope, + unittest_pb2.TestRequired.DESCRIPTOR) + + def testIsExtension(self): + self.assertTrue(unittest_pb2.optional_int32_extension.is_extension) + self.assertTrue(unittest_pb2.TestRequired.single.is_extension) + + message_descriptor = unittest_pb2.TestRequired.DESCRIPTOR + non_extension_descriptor = message_descriptor.fields_by_name['a'] + self.assertTrue(not non_extension_descriptor.is_extension) + + def testOptions(self): + proto = unittest_mset_wire_format_pb2.TestMessageSet() + self.assertTrue(proto.DESCRIPTOR.GetOptions().message_set_wire_format) + + def testMessageWithCustomOptions(self): + proto = unittest_custom_options_pb2.TestMessageWithCustomOptions() + enum_options = proto.DESCRIPTOR.enum_types_by_name['AnEnum'].GetOptions() + self.assertTrue(enum_options is not None) + # TODO(gps): We really should test for the presence of the enum_opt1 + # extension and for its value to be set to -789. + + def testNestedTypes(self): + self.assertEqual( + set(unittest_pb2.TestAllTypes.DESCRIPTOR.nested_types), + set([ + unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR, + unittest_pb2.TestAllTypes.OptionalGroup.DESCRIPTOR, + unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR, + ])) + self.assertEqual(unittest_pb2.TestEmptyMessage.DESCRIPTOR.nested_types, []) + self.assertEqual( + unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.nested_types, []) + + def testContainingType(self): + self.assertTrue( + unittest_pb2.TestEmptyMessage.DESCRIPTOR.containing_type is None) + self.assertTrue( + unittest_pb2.TestAllTypes.DESCRIPTOR.containing_type is None) + self.assertEqual( + unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type, + unittest_pb2.TestAllTypes.DESCRIPTOR) + self.assertEqual( + unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR.containing_type, + unittest_pb2.TestAllTypes.DESCRIPTOR) + self.assertEqual( + unittest_pb2.TestAllTypes.RepeatedGroup.DESCRIPTOR.containing_type, + unittest_pb2.TestAllTypes.DESCRIPTOR) + + def testContainingTypeInEnumDescriptor(self): + self.assertTrue(unittest_pb2._FOREIGNENUM.containing_type is None) + self.assertEqual(unittest_pb2._TESTALLTYPES_NESTEDENUM.containing_type, + unittest_pb2.TestAllTypes.DESCRIPTOR) + + def testPackage(self): + self.assertEqual( + unittest_pb2.TestAllTypes.DESCRIPTOR.file.package, + 'protobuf_unittest') + desc = unittest_pb2.TestAllTypes.NestedMessage.DESCRIPTOR + self.assertEqual(desc.file.package, 'protobuf_unittest') + self.assertEqual( + unittest_import_pb2.ImportMessage.DESCRIPTOR.file.package, + 'protobuf_unittest_import') + + self.assertEqual( + unittest_pb2._FOREIGNENUM.file.package, 'protobuf_unittest') + self.assertEqual( + unittest_pb2._TESTALLTYPES_NESTEDENUM.file.package, + 'protobuf_unittest') + self.assertEqual( + unittest_import_pb2._IMPORTENUM.file.package, + 'protobuf_unittest_import') + + def testExtensionRange(self): + self.assertEqual( + unittest_pb2.TestAllTypes.DESCRIPTOR.extension_ranges, []) + self.assertEqual( + unittest_pb2.TestAllExtensions.DESCRIPTOR.extension_ranges, + [(1, MAX_EXTENSION)]) + self.assertEqual( + unittest_pb2.TestMultipleExtensionRanges.DESCRIPTOR.extension_ranges, + [(42, 43), (4143, 4244), (65536, MAX_EXTENSION)]) + + def testFileDescriptor(self): + self.assertEqual(unittest_pb2.DESCRIPTOR.name, + 'google/protobuf/unittest.proto') + self.assertEqual(unittest_pb2.DESCRIPTOR.package, 'protobuf_unittest') + self.assertFalse(unittest_pb2.DESCRIPTOR.serialized_pb is None) + self.assertEqual(unittest_pb2.DESCRIPTOR.dependencies, + [unittest_import_pb2.DESCRIPTOR]) + self.assertEqual(unittest_import_pb2.DESCRIPTOR.dependencies, + [unittest_import_public_pb2.DESCRIPTOR]) + self.assertEqual(unittest_import_pb2.DESCRIPTOR.public_dependencies, + [unittest_import_public_pb2.DESCRIPTOR]) + def testNoGenericServices(self): + self.assertTrue(hasattr(unittest_no_generic_services_pb2, "TestMessage")) + self.assertTrue(hasattr(unittest_no_generic_services_pb2, "FOO")) + self.assertTrue(hasattr(unittest_no_generic_services_pb2, "test_extension")) + + # Make sure unittest_no_generic_services_pb2 has no services subclassing + # Proto2 Service class. + if hasattr(unittest_no_generic_services_pb2, "TestService"): + self.assertFalse(issubclass(unittest_no_generic_services_pb2.TestService, + service.Service)) + + def testMessageTypesByName(self): + file_type = unittest_pb2.DESCRIPTOR + self.assertEqual( + unittest_pb2._TESTALLTYPES, + file_type.message_types_by_name[unittest_pb2._TESTALLTYPES.name]) + + # Nested messages shouldn't be included in the message_types_by_name + # dictionary (like in the C++ API). + self.assertFalse( + unittest_pb2._TESTALLTYPES_NESTEDMESSAGE.name in + file_type.message_types_by_name) + + def testEnumTypesByName(self): + file_type = unittest_pb2.DESCRIPTOR + self.assertEqual( + unittest_pb2._FOREIGNENUM, + file_type.enum_types_by_name[unittest_pb2._FOREIGNENUM.name]) + + def testExtensionsByName(self): + file_type = unittest_pb2.DESCRIPTOR + self.assertEqual( + unittest_pb2.my_extension_string, + file_type.extensions_by_name[unittest_pb2.my_extension_string.name]) + + def testPublicImports(self): + # Test public imports as embedded message. + all_type_proto = unittest_pb2.TestAllTypes() + self.assertEqual(0, all_type_proto.optional_public_import_message.e) + + # PublicImportMessage is actually defined in unittest_import_public_pb2 + # module, and is public imported by unittest_import_pb2 module. + public_import_proto = unittest_import_pb2.PublicImportMessage() + self.assertEqual(0, public_import_proto.e) + self.assertTrue(unittest_import_public_pb2.PublicImportMessage is + unittest_import_pb2.PublicImportMessage) + + def testBadIdentifiers(self): + # We're just testing that the code was imported without problems. + message = test_bad_identifiers_pb2.TestBadIdentifiers() + self.assertEqual(message.Extensions[test_bad_identifiers_pb2.message], + "foo") + self.assertEqual(message.Extensions[test_bad_identifiers_pb2.descriptor], + "bar") + self.assertEqual(message.Extensions[test_bad_identifiers_pb2.reflection], + "baz") + self.assertEqual(message.Extensions[test_bad_identifiers_pb2.service], + "qux") + + def testOneof(self): + desc = unittest_pb2.TestAllTypes.DESCRIPTOR + self.assertEqual(1, len(desc.oneofs)) + self.assertEqual('oneof_field', desc.oneofs[0].name) + self.assertEqual(0, desc.oneofs[0].index) + self.assertIs(desc, desc.oneofs[0].containing_type) + self.assertIs(desc.oneofs[0], desc.oneofs_by_name['oneof_field']) + nested_names = set(['oneof_uint32', 'oneof_nested_message', + 'oneof_string', 'oneof_bytes']) + self.assertEqual( + nested_names, + set([field.name for field in desc.oneofs[0].fields])) + for field_name, field_desc in desc.fields_by_name.items(): + if field_name in nested_names: + self.assertIs(desc.oneofs[0], field_desc.containing_oneof) + else: + self.assertIsNone(field_desc.containing_oneof) + + def testEnumWithDupValue(self): + self.assertEqual('FOO1', + unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.FOO1)) + self.assertEqual('FOO1', + unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.FOO2)) + self.assertEqual('BAR1', + unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.BAR1)) + self.assertEqual('BAR1', + unittest_pb2.TestEnumWithDupValue.Name(unittest_pb2.BAR2)) + + +class SymbolDatabaseRegistrationTest(unittest.TestCase): + """Checks that messages, enums and files are correctly registered.""" + + def testGetSymbol(self): + self.assertEqual( + unittest_pb2.TestAllTypes, symbol_database.Default().GetSymbol( + 'protobuf_unittest.TestAllTypes')) + self.assertEqual( + unittest_pb2.TestAllTypes.NestedMessage, + symbol_database.Default().GetSymbol( + 'protobuf_unittest.TestAllTypes.NestedMessage')) + with self.assertRaises(KeyError): + symbol_database.Default().GetSymbol('protobuf_unittest.NestedMessage') + self.assertEqual( + unittest_pb2.TestAllTypes.OptionalGroup, + symbol_database.Default().GetSymbol( + 'protobuf_unittest.TestAllTypes.OptionalGroup')) + self.assertEqual( + unittest_pb2.TestAllTypes.RepeatedGroup, + symbol_database.Default().GetSymbol( + 'protobuf_unittest.TestAllTypes.RepeatedGroup')) + + def testEnums(self): + self.assertEqual( + 'protobuf_unittest.ForeignEnum', + symbol_database.Default().pool.FindEnumTypeByName( + 'protobuf_unittest.ForeignEnum').full_name) + self.assertEqual( + 'protobuf_unittest.TestAllTypes.NestedEnum', + symbol_database.Default().pool.FindEnumTypeByName( + 'protobuf_unittest.TestAllTypes.NestedEnum').full_name) + + def testFindFileByName(self): + self.assertEqual( + 'google/protobuf/unittest.proto', + symbol_database.Default().pool.FindFileByName( + 'google/protobuf/unittest.proto').name) + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test.py new file mode 100644 index 0000000..b5c572c --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test.py @@ -0,0 +1,49 @@ +# -*- coding: utf-8 -*- +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Unittest for nested public imports.""" + +import unittest + +from google.protobuf.internal.import_test_package import outer_pb2 + + +class ImportTest(unittest.TestCase): + + def testPackageInitializationImport(self): + """Test that we can import nested import public messages.""" + + msg = outer_pb2.Outer() + self.assertEqual(58, msg.import_public_nested.value) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test_package/__init__.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test_package/__init__.py new file mode 100644 index 0000000..5121dd0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test_package/__init__.py @@ -0,0 +1,33 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Sample module importing a nested proto from itself.""" + +from google.protobuf.internal.import_test_package import outer_pb2 as myproto diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test_package/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test_package/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..31bf163 Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/internal/import_test_package/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/json_format_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/json_format_test.py new file mode 100644 index 0000000..d018c3f --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/json_format_test.py @@ -0,0 +1,1285 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Test for google.protobuf.json_format.""" + +__author__ = 'jieluo@google.com (Jie Luo)' + +import json +import math +import struct + +import unittest + +from google.protobuf import any_pb2 +from google.protobuf import duration_pb2 +from google.protobuf import field_mask_pb2 +from google.protobuf import struct_pb2 +from google.protobuf import timestamp_pb2 +from google.protobuf import wrappers_pb2 +from google.protobuf import any_test_pb2 +from google.protobuf import unittest_mset_pb2 +from google.protobuf import unittest_pb2 +from google.protobuf.internal import test_proto3_optional_pb2 +from google.protobuf import descriptor_pool +from google.protobuf import json_format +from google.protobuf.util import json_format_pb2 +from google.protobuf.util import json_format_proto3_pb2 + + +class JsonFormatBase(unittest.TestCase): + + def FillAllFields(self, message): + message.int32_value = 20 + message.int64_value = -20 + message.uint32_value = 3120987654 + message.uint64_value = 12345678900 + message.float_value = float('-inf') + message.double_value = 3.1415 + message.bool_value = True + message.string_value = 'foo' + message.bytes_value = b'bar' + message.message_value.value = 10 + message.enum_value = json_format_proto3_pb2.BAR + # Repeated + message.repeated_int32_value.append(0x7FFFFFFF) + message.repeated_int32_value.append(-2147483648) + message.repeated_int64_value.append(9007199254740992) + message.repeated_int64_value.append(-9007199254740992) + message.repeated_uint32_value.append(0xFFFFFFF) + message.repeated_uint32_value.append(0x7FFFFFF) + message.repeated_uint64_value.append(9007199254740992) + message.repeated_uint64_value.append(9007199254740991) + message.repeated_float_value.append(0) + + message.repeated_double_value.append(1E-15) + message.repeated_double_value.append(float('inf')) + message.repeated_bool_value.append(True) + message.repeated_bool_value.append(False) + message.repeated_string_value.append('Few symbols!#$,;') + message.repeated_string_value.append('bar') + message.repeated_bytes_value.append(b'foo') + message.repeated_bytes_value.append(b'bar') + message.repeated_message_value.add().value = 10 + message.repeated_message_value.add().value = 11 + message.repeated_enum_value.append(json_format_proto3_pb2.FOO) + message.repeated_enum_value.append(json_format_proto3_pb2.BAR) + self.message = message + + def CheckParseBack(self, message, parsed_message): + json_format.Parse(json_format.MessageToJson(message), + parsed_message) + self.assertEqual(message, parsed_message) + + def CheckError(self, text, error_message): + message = json_format_proto3_pb2.TestMessage() + self.assertRaisesRegex(json_format.ParseError, error_message, + json_format.Parse, text, message) + + +class JsonFormatTest(JsonFormatBase): + + def testEmptyMessageToJson(self): + message = json_format_proto3_pb2.TestMessage() + self.assertEqual(json_format.MessageToJson(message), + '{}') + parsed_message = json_format_proto3_pb2.TestMessage() + self.CheckParseBack(message, parsed_message) + + def testPartialMessageToJson(self): + message = json_format_proto3_pb2.TestMessage( + string_value='test', + repeated_int32_value=[89, 4]) + self.assertEqual(json.loads(json_format.MessageToJson(message)), + json.loads('{"stringValue": "test", ' + '"repeatedInt32Value": [89, 4]}')) + parsed_message = json_format_proto3_pb2.TestMessage() + self.CheckParseBack(message, parsed_message) + + def testAllFieldsToJson(self): + message = json_format_proto3_pb2.TestMessage() + text = ('{"int32Value": 20, ' + '"int64Value": "-20", ' + '"uint32Value": 3120987654,' + '"uint64Value": "12345678900",' + '"floatValue": "-Infinity",' + '"doubleValue": 3.1415,' + '"boolValue": true,' + '"stringValue": "foo",' + '"bytesValue": "YmFy",' + '"messageValue": {"value": 10},' + '"enumValue": "BAR",' + '"repeatedInt32Value": [2147483647, -2147483648],' + '"repeatedInt64Value": ["9007199254740992", "-9007199254740992"],' + '"repeatedUint32Value": [268435455, 134217727],' + '"repeatedUint64Value": ["9007199254740992", "9007199254740991"],' + '"repeatedFloatValue": [0],' + '"repeatedDoubleValue": [1e-15, "Infinity"],' + '"repeatedBoolValue": [true, false],' + '"repeatedStringValue": ["Few symbols!#$,;", "bar"],' + '"repeatedBytesValue": ["Zm9v", "YmFy"],' + '"repeatedMessageValue": [{"value": 10}, {"value": 11}],' + '"repeatedEnumValue": ["FOO", "BAR"]' + '}') + self.FillAllFields(message) + self.assertEqual( + json.loads(json_format.MessageToJson(message)), + json.loads(text)) + parsed_message = json_format_proto3_pb2.TestMessage() + json_format.Parse(text, parsed_message) + self.assertEqual(message, parsed_message) + + def testUnknownEnumToJsonAndBack(self): + text = '{\n "enumValue": 999\n}' + message = json_format_proto3_pb2.TestMessage() + message.enum_value = 999 + self.assertEqual(json_format.MessageToJson(message), + text) + parsed_message = json_format_proto3_pb2.TestMessage() + json_format.Parse(text, parsed_message) + self.assertEqual(message, parsed_message) + + def testExtensionToJsonAndBack(self): + message = unittest_mset_pb2.TestMessageSetContainer() + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + message.message_set.Extensions[ext1].i = 23 + message.message_set.Extensions[ext2].str = 'foo' + message_text = json_format.MessageToJson( + message + ) + parsed_message = unittest_mset_pb2.TestMessageSetContainer() + json_format.Parse(message_text, parsed_message) + self.assertEqual(message, parsed_message) + + def testExtensionErrors(self): + self.CheckError('{"[extensionField]": {}}', + 'Message type proto3.TestMessage does not have extensions') + + def testExtensionToDictAndBack(self): + message = unittest_mset_pb2.TestMessageSetContainer() + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + message.message_set.Extensions[ext1].i = 23 + message.message_set.Extensions[ext2].str = 'foo' + message_dict = json_format.MessageToDict( + message + ) + parsed_message = unittest_mset_pb2.TestMessageSetContainer() + json_format.ParseDict(message_dict, parsed_message) + self.assertEqual(message, parsed_message) + + def testExtensionToDictAndBackWithScalar(self): + message = unittest_pb2.TestAllExtensions() + ext1 = unittest_pb2.TestNestedExtension.test + message.Extensions[ext1] = 'data' + message_dict = json_format.MessageToDict( + message + ) + parsed_message = unittest_pb2.TestAllExtensions() + json_format.ParseDict(message_dict, parsed_message) + self.assertEqual(message, parsed_message) + + def testJsonParseDictToAnyDoesNotAlterInput(self): + orig_dict = { + 'int32Value': 20, + '@type': 'type.googleapis.com/proto3.TestMessage' + } + copied_dict = json.loads(json.dumps(orig_dict)) + parsed_message = any_pb2.Any() + json_format.ParseDict(copied_dict, parsed_message) + self.assertEqual(copied_dict, orig_dict) + + def testExtensionSerializationDictMatchesProto3Spec(self): + """See go/proto3-json-spec for spec. + """ + message = unittest_mset_pb2.TestMessageSetContainer() + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + message.message_set.Extensions[ext1].i = 23 + message.message_set.Extensions[ext2].str = 'foo' + message_dict = json_format.MessageToDict( + message + ) + golden_dict = { + 'messageSet': { + '[protobuf_unittest.' + 'TestMessageSetExtension1.message_set_extension]': { + 'i': 23, + }, + '[protobuf_unittest.' + 'TestMessageSetExtension2.message_set_extension]': { + 'str': u'foo', + }, + }, + } + self.assertEqual(golden_dict, message_dict) + parsed_msg = unittest_mset_pb2.TestMessageSetContainer() + json_format.ParseDict(golden_dict, parsed_msg) + self.assertEqual(message, parsed_msg) + + def testExtensionSerializationDictMatchesProto3SpecMore(self): + """See go/proto3-json-spec for spec. + """ + message = json_format_pb2.TestMessageWithExtension() + ext = json_format_pb2.TestExtension.ext + message.Extensions[ext].value = 'stuff' + message_dict = json_format.MessageToDict( + message + ) + expected_dict = { + '[protobuf_unittest.TestExtension.ext]': { + 'value': u'stuff', + }, + } + self.assertEqual(expected_dict, message_dict) + + def testExtensionSerializationJsonMatchesProto3Spec(self): + """See go/proto3-json-spec for spec. + """ + message = unittest_mset_pb2.TestMessageSetContainer() + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + message.message_set.Extensions[ext1].i = 23 + message.message_set.Extensions[ext2].str = 'foo' + message_text = json_format.MessageToJson( + message + ) + ext1_text = ('protobuf_unittest.TestMessageSetExtension1.' + 'message_set_extension') + ext2_text = ('protobuf_unittest.TestMessageSetExtension2.' + 'message_set_extension') + golden_text = ('{"messageSet": {' + ' "[%s]": {' + ' "i": 23' + ' },' + ' "[%s]": {' + ' "str": "foo"' + ' }' + '}}') % (ext1_text, ext2_text) + self.assertEqual(json.loads(golden_text), json.loads(message_text)) + + def testJsonEscapeString(self): + message = json_format_proto3_pb2.TestMessage() + message.string_value = '&\n<\"\r>\b\t\f\\\001/' + message.string_value += (b'\xe2\x80\xa8\xe2\x80\xa9').decode('utf-8') + self.assertEqual( + json_format.MessageToJson(message), + '{\n "stringValue": ' + '"&\\n<\\\"\\r>\\b\\t\\f\\\\\\u0001/\\u2028\\u2029"\n}') + parsed_message = json_format_proto3_pb2.TestMessage() + self.CheckParseBack(message, parsed_message) + text = u'{"int32Value": "\u0031"}' + json_format.Parse(text, message) + self.assertEqual(message.int32_value, 1) + + def testAlwaysSeriliaze(self): + message = json_format_proto3_pb2.TestMessage( + string_value='foo') + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads('{' + '"repeatedStringValue": [],' + '"stringValue": "foo",' + '"repeatedBoolValue": [],' + '"repeatedUint32Value": [],' + '"repeatedInt32Value": [],' + '"enumValue": "FOO",' + '"int32Value": 0,' + '"floatValue": 0,' + '"int64Value": "0",' + '"uint32Value": 0,' + '"repeatedBytesValue": [],' + '"repeatedUint64Value": [],' + '"repeatedDoubleValue": [],' + '"bytesValue": "",' + '"boolValue": false,' + '"repeatedEnumValue": [],' + '"uint64Value": "0",' + '"doubleValue": 0,' + '"repeatedFloatValue": [],' + '"repeatedInt64Value": [],' + '"repeatedMessageValue": []}')) + parsed_message = json_format_proto3_pb2.TestMessage() + self.CheckParseBack(message, parsed_message) + + def testProto3Optional(self): + message = test_proto3_optional_pb2.TestProto3Optional() + self.assertEqual( + json.loads( + json_format.MessageToJson( + message, including_default_value_fields=True)), + json.loads('{}')) + message.optional_int32 = 0 + self.assertEqual( + json.loads( + json_format.MessageToJson( + message, including_default_value_fields=True)), + json.loads('{"optionalInt32": 0}')) + + def testIntegersRepresentedAsFloat(self): + message = json_format_proto3_pb2.TestMessage() + json_format.Parse('{"int32Value": -2.147483648e9}', message) + self.assertEqual(message.int32_value, -2147483648) + json_format.Parse('{"int32Value": 1e5}', message) + self.assertEqual(message.int32_value, 100000) + json_format.Parse('{"int32Value": 1.0}', message) + self.assertEqual(message.int32_value, 1) + + def testMapFields(self): + message = json_format_proto3_pb2.TestNestedMap() + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads('{' + '"boolMap": {},' + '"int32Map": {},' + '"int64Map": {},' + '"uint32Map": {},' + '"uint64Map": {},' + '"stringMap": {},' + '"mapMap": {}' + '}')) + message.bool_map[True] = 1 + message.bool_map[False] = 2 + message.int32_map[1] = 2 + message.int32_map[2] = 3 + message.int64_map[1] = 2 + message.int64_map[2] = 3 + message.uint32_map[1] = 2 + message.uint32_map[2] = 3 + message.uint64_map[1] = 2 + message.uint64_map[2] = 3 + message.string_map['1'] = 2 + message.string_map['null'] = 3 + message.map_map['1'].bool_map[True] = 3 + self.assertEqual( + json.loads(json_format.MessageToJson(message, False)), + json.loads('{' + '"boolMap": {"false": 2, "true": 1},' + '"int32Map": {"1": 2, "2": 3},' + '"int64Map": {"1": 2, "2": 3},' + '"uint32Map": {"1": 2, "2": 3},' + '"uint64Map": {"1": 2, "2": 3},' + '"stringMap": {"1": 2, "null": 3},' + '"mapMap": {"1": {"boolMap": {"true": 3}}}' + '}')) + parsed_message = json_format_proto3_pb2.TestNestedMap() + self.CheckParseBack(message, parsed_message) + + def testOneofFields(self): + message = json_format_proto3_pb2.TestOneof() + # Always print does not affect oneof fields. + self.assertEqual( + json_format.MessageToJson(message, True), + '{}') + message.oneof_int32_value = 0 + self.assertEqual( + json_format.MessageToJson(message, True), + '{\n' + ' "oneofInt32Value": 0\n' + '}') + parsed_message = json_format_proto3_pb2.TestOneof() + self.CheckParseBack(message, parsed_message) + + def testSurrogates(self): + # Test correct surrogate handling. + message = json_format_proto3_pb2.TestMessage() + json_format.Parse('{"stringValue": "\\uD83D\\uDE01"}', message) + self.assertEqual(message.string_value, + b'\xF0\x9F\x98\x81'.decode('utf-8', 'strict')) + + # Error case: unpaired high surrogate. + self.CheckError( + '{"stringValue": "\\uD83D"}', + r'Invalid \\uXXXX escape|Unpaired.*surrogate') + + # Unpaired low surrogate. + self.CheckError( + '{"stringValue": "\\uDE01"}', + r'Invalid \\uXXXX escape|Unpaired.*surrogate') + + def testTimestampMessage(self): + message = json_format_proto3_pb2.TestTimestamp() + message.value.seconds = 0 + message.value.nanos = 0 + message.repeated_value.add().seconds = 20 + message.repeated_value[0].nanos = 1 + message.repeated_value.add().seconds = 0 + message.repeated_value[1].nanos = 10000 + message.repeated_value.add().seconds = 100000000 + message.repeated_value[2].nanos = 0 + # Maximum time + message.repeated_value.add().seconds = 253402300799 + message.repeated_value[3].nanos = 999999999 + # Minimum time + message.repeated_value.add().seconds = -62135596800 + message.repeated_value[4].nanos = 0 + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads('{' + '"value": "1970-01-01T00:00:00Z",' + '"repeatedValue": [' + ' "1970-01-01T00:00:20.000000001Z",' + ' "1970-01-01T00:00:00.000010Z",' + ' "1973-03-03T09:46:40Z",' + ' "9999-12-31T23:59:59.999999999Z",' + ' "0001-01-01T00:00:00Z"' + ']' + '}')) + parsed_message = json_format_proto3_pb2.TestTimestamp() + self.CheckParseBack(message, parsed_message) + text = (r'{"value": "1970-01-01T00:00:00.01+08:00",' + r'"repeatedValue":[' + r' "1970-01-01T00:00:00.01+08:30",' + r' "1970-01-01T00:00:00.01-01:23"]}') + json_format.Parse(text, parsed_message) + self.assertEqual(parsed_message.value.seconds, -8 * 3600) + self.assertEqual(parsed_message.value.nanos, 10000000) + self.assertEqual(parsed_message.repeated_value[0].seconds, -8.5 * 3600) + self.assertEqual(parsed_message.repeated_value[1].seconds, 3600 + 23 * 60) + + def testDurationMessage(self): + message = json_format_proto3_pb2.TestDuration() + message.value.seconds = 1 + message.repeated_value.add().seconds = 0 + message.repeated_value[0].nanos = 10 + message.repeated_value.add().seconds = -1 + message.repeated_value[1].nanos = -1000 + message.repeated_value.add().seconds = 10 + message.repeated_value[2].nanos = 11000000 + message.repeated_value.add().seconds = -315576000000 + message.repeated_value.add().seconds = 315576000000 + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads('{' + '"value": "1s",' + '"repeatedValue": [' + ' "0.000000010s",' + ' "-1.000001s",' + ' "10.011s",' + ' "-315576000000s",' + ' "315576000000s"' + ']' + '}')) + parsed_message = json_format_proto3_pb2.TestDuration() + self.CheckParseBack(message, parsed_message) + + def testFieldMaskMessage(self): + message = json_format_proto3_pb2.TestFieldMask() + message.value.paths.append('foo.bar') + message.value.paths.append('bar') + self.assertEqual( + json_format.MessageToJson(message, True), + '{\n' + ' "value": "foo.bar,bar"\n' + '}') + parsed_message = json_format_proto3_pb2.TestFieldMask() + self.CheckParseBack(message, parsed_message) + + message.value.Clear() + self.assertEqual( + json_format.MessageToJson(message, True), + '{\n' + ' "value": ""\n' + '}') + self.CheckParseBack(message, parsed_message) + + def testWrapperMessage(self): + message = json_format_proto3_pb2.TestWrapper() + message.bool_value.value = False + message.int32_value.value = 0 + message.string_value.value = '' + message.bytes_value.value = b'' + message.repeated_bool_value.add().value = True + message.repeated_bool_value.add().value = False + message.repeated_int32_value.add() + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads('{\n' + ' "int32Value": 0,' + ' "boolValue": false,' + ' "stringValue": "",' + ' "bytesValue": "",' + ' "repeatedBoolValue": [true, false],' + ' "repeatedInt32Value": [0],' + ' "repeatedUint32Value": [],' + ' "repeatedFloatValue": [],' + ' "repeatedDoubleValue": [],' + ' "repeatedBytesValue": [],' + ' "repeatedInt64Value": [],' + ' "repeatedUint64Value": [],' + ' "repeatedStringValue": []' + '}')) + parsed_message = json_format_proto3_pb2.TestWrapper() + self.CheckParseBack(message, parsed_message) + + def testStructMessage(self): + message = json_format_proto3_pb2.TestStruct() + message.value['name'] = 'Jim' + message.value['age'] = 10 + message.value['attend'] = True + message.value['email'] = None + message.value.get_or_create_struct('address')['city'] = 'SFO' + message.value['address']['house_number'] = 1024 + message.value.get_or_create_struct('empty_struct') + message.value.get_or_create_list('empty_list') + struct_list = message.value.get_or_create_list('list') + struct_list.extend([6, 'seven', True, False, None]) + struct_list.add_struct()['subkey2'] = 9 + message.repeated_value.add()['age'] = 11 + message.repeated_value.add() + self.assertEqual( + json.loads(json_format.MessageToJson(message, False)), + json.loads( + '{' + ' "value": {' + ' "address": {' + ' "city": "SFO", ' + ' "house_number": 1024' + ' }, ' + ' "empty_struct": {}, ' + ' "empty_list": [], ' + ' "age": 10, ' + ' "name": "Jim", ' + ' "attend": true, ' + ' "email": null, ' + ' "list": [6, "seven", true, false, null, {"subkey2": 9}]' + ' },' + ' "repeatedValue": [{"age": 11}, {}]' + '}')) + parsed_message = json_format_proto3_pb2.TestStruct() + self.CheckParseBack(message, parsed_message) + # check for regression; this used to raise + parsed_message.value['empty_struct'] + parsed_message.value['empty_list'] + + def testValueMessage(self): + message = json_format_proto3_pb2.TestValue() + message.value.string_value = 'hello' + message.repeated_value.add().number_value = 11.1 + message.repeated_value.add().bool_value = False + message.repeated_value.add().null_value = 0 + self.assertEqual( + json.loads(json_format.MessageToJson(message, False)), + json.loads( + '{' + ' "value": "hello",' + ' "repeatedValue": [11.1, false, null]' + '}')) + parsed_message = json_format_proto3_pb2.TestValue() + self.CheckParseBack(message, parsed_message) + # Can't parse back if the Value message is not set. + message.repeated_value.add() + self.assertEqual( + json.loads(json_format.MessageToJson(message, False)), + json.loads( + '{' + ' "value": "hello",' + ' "repeatedValue": [11.1, false, null, null]' + '}')) + message.Clear() + json_format.Parse('{"value": null}', message) + self.assertEqual(message.value.WhichOneof('kind'), 'null_value') + + def testListValueMessage(self): + message = json_format_proto3_pb2.TestListValue() + message.value.values.add().number_value = 11.1 + message.value.values.add().null_value = 0 + message.value.values.add().bool_value = True + message.value.values.add().string_value = 'hello' + message.value.values.add().struct_value['name'] = 'Jim' + message.repeated_value.add().values.add().number_value = 1 + message.repeated_value.add() + self.assertEqual( + json.loads(json_format.MessageToJson(message, False)), + json.loads( + '{"value": [11.1, null, true, "hello", {"name": "Jim"}]\n,' + '"repeatedValue": [[1], []]}')) + parsed_message = json_format_proto3_pb2.TestListValue() + self.CheckParseBack(message, parsed_message) + + def testNullValue(self): + message = json_format_proto3_pb2.TestOneof() + message.oneof_null_value = 0 + self.assertEqual(json_format.MessageToJson(message), + '{\n "oneofNullValue": null\n}') + parsed_message = json_format_proto3_pb2.TestOneof() + self.CheckParseBack(message, parsed_message) + # Check old format is also accepted + new_message = json_format_proto3_pb2.TestOneof() + json_format.Parse('{\n "oneofNullValue": "NULL_VALUE"\n}', + new_message) + self.assertEqual(json_format.MessageToJson(new_message), + '{\n "oneofNullValue": null\n}') + + def testAnyMessage(self): + message = json_format_proto3_pb2.TestAny() + value1 = json_format_proto3_pb2.MessageType() + value2 = json_format_proto3_pb2.MessageType() + value1.value = 1234 + value2.value = 5678 + message.value.Pack(value1) + message.repeated_value.add().Pack(value1) + message.repeated_value.add().Pack(value2) + message.repeated_value.add() + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads( + '{\n' + ' "repeatedValue": [ {\n' + ' "@type": "type.googleapis.com/proto3.MessageType",\n' + ' "value": 1234\n' + ' }, {\n' + ' "@type": "type.googleapis.com/proto3.MessageType",\n' + ' "value": 5678\n' + ' },\n' + ' {}],\n' + ' "value": {\n' + ' "@type": "type.googleapis.com/proto3.MessageType",\n' + ' "value": 1234\n' + ' }\n' + '}\n')) + parsed_message = json_format_proto3_pb2.TestAny() + self.CheckParseBack(message, parsed_message) + # Must print @type first + test_message = json_format_proto3_pb2.TestMessage( + bool_value=True, + int32_value=20, + int64_value=-20, + uint32_value=20, + uint64_value=20, + double_value=3.14, + string_value='foo') + message.Clear() + message.value.Pack(test_message) + self.assertEqual( + json_format.MessageToJson(message, False)[0:68], + '{\n' + ' "value": {\n' + ' "@type": "type.googleapis.com/proto3.TestMessage"') + + def testAnyMessageDescriptorPoolMissingType(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + empty_pool = descriptor_pool.DescriptorPool() + with self.assertRaises(TypeError) as cm: + json_format.MessageToJson(message, True, descriptor_pool=empty_pool) + self.assertEqual( + 'Can not find message descriptor by type_url:' + ' type.googleapis.com/protobuf_unittest.OneString', str(cm.exception)) + + def testWellKnownInAnyMessage(self): + message = any_pb2.Any() + int32_value = wrappers_pb2.Int32Value() + int32_value.value = 1234 + message.Pack(int32_value) + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads( + '{\n' + ' "@type": \"type.googleapis.com/google.protobuf.Int32Value\",\n' + ' "value": 1234\n' + '}\n')) + parsed_message = any_pb2.Any() + self.CheckParseBack(message, parsed_message) + + timestamp = timestamp_pb2.Timestamp() + message.Pack(timestamp) + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads( + '{\n' + ' "@type": "type.googleapis.com/google.protobuf.Timestamp",\n' + ' "value": "1970-01-01T00:00:00Z"\n' + '}\n')) + self.CheckParseBack(message, parsed_message) + + duration = duration_pb2.Duration() + duration.seconds = 1 + message.Pack(duration) + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads( + '{\n' + ' "@type": "type.googleapis.com/google.protobuf.Duration",\n' + ' "value": "1s"\n' + '}\n')) + self.CheckParseBack(message, parsed_message) + + field_mask = field_mask_pb2.FieldMask() + field_mask.paths.append('foo.bar') + field_mask.paths.append('bar') + message.Pack(field_mask) + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads( + '{\n' + ' "@type": "type.googleapis.com/google.protobuf.FieldMask",\n' + ' "value": "foo.bar,bar"\n' + '}\n')) + self.CheckParseBack(message, parsed_message) + + struct_message = struct_pb2.Struct() + struct_message['name'] = 'Jim' + message.Pack(struct_message) + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads( + '{\n' + ' "@type": "type.googleapis.com/google.protobuf.Struct",\n' + ' "value": {"name": "Jim"}\n' + '}\n')) + self.CheckParseBack(message, parsed_message) + + nested_any = any_pb2.Any() + int32_value.value = 5678 + nested_any.Pack(int32_value) + message.Pack(nested_any) + self.assertEqual( + json.loads(json_format.MessageToJson(message, True)), + json.loads( + '{\n' + ' "@type": "type.googleapis.com/google.protobuf.Any",\n' + ' "value": {\n' + ' "@type": "type.googleapis.com/google.protobuf.Int32Value",\n' + ' "value": 5678\n' + ' }\n' + '}\n')) + self.CheckParseBack(message, parsed_message) + + def testParseNull(self): + message = json_format_proto3_pb2.TestMessage() + parsed_message = json_format_proto3_pb2.TestMessage() + self.FillAllFields(parsed_message) + json_format.Parse('{"int32Value": null, ' + '"int64Value": null, ' + '"uint32Value": null,' + '"uint64Value": null,' + '"floatValue": null,' + '"doubleValue": null,' + '"boolValue": null,' + '"stringValue": null,' + '"bytesValue": null,' + '"messageValue": null,' + '"enumValue": null,' + '"repeatedInt32Value": null,' + '"repeatedInt64Value": null,' + '"repeatedUint32Value": null,' + '"repeatedUint64Value": null,' + '"repeatedFloatValue": null,' + '"repeatedDoubleValue": null,' + '"repeatedBoolValue": null,' + '"repeatedStringValue": null,' + '"repeatedBytesValue": null,' + '"repeatedMessageValue": null,' + '"repeatedEnumValue": null' + '}', + parsed_message) + self.assertEqual(message, parsed_message) + # Null and {} should have different behavior for sub message. + self.assertFalse(parsed_message.HasField('message_value')) + json_format.Parse('{"messageValue": {}}', parsed_message) + self.assertTrue(parsed_message.HasField('message_value')) + # Null is not allowed to be used as an element in repeated field. + self.assertRaisesRegex( + json_format.ParseError, r'Failed to parse repeatedInt32Value field: ' + r'null is not allowed to be used as an element in a repeated field ' + r'at TestMessage.repeatedInt32Value\[1\].', json_format.Parse, + '{"repeatedInt32Value":[1, null]}', parsed_message) + self.CheckError( + '{"repeatedMessageValue":[null]}', + r'Failed to parse repeatedMessageValue field: null is not' + r' allowed to be used as an element in a repeated field ' + r'at TestMessage.repeatedMessageValue\[0\].') + + def testNanFloat(self): + message = json_format_proto3_pb2.TestMessage() + message.float_value = float('nan') + text = '{\n "floatValue": "NaN"\n}' + self.assertEqual(json_format.MessageToJson(message), text) + parsed_message = json_format_proto3_pb2.TestMessage() + json_format.Parse(text, parsed_message) + self.assertTrue(math.isnan(parsed_message.float_value)) + + def testParseDoubleToFloat(self): + message = json_format_proto3_pb2.TestMessage() + text = ('{"repeatedDoubleValue": [3.4028235e+39, 1.4028235e-39]\n}') + json_format.Parse(text, message) + self.assertEqual(message.repeated_double_value[0], 3.4028235e+39) + self.assertEqual(message.repeated_double_value[1], 1.4028235e-39) + text = ('{"repeatedFloatValue": [3.4028235e+39, 1.4028235e-39]\n}') + self.CheckError( + text, r'Failed to parse repeatedFloatValue field: ' + r'Float value too large at TestMessage.repeatedFloatValue\[0\].') + + def testFloatPrecision(self): + message = json_format_proto3_pb2.TestMessage() + message.float_value = 1.123456789 + # Set to 8 valid digits. + text = '{\n "floatValue": 1.1234568\n}' + self.assertEqual( + json_format.MessageToJson(message, float_precision=8), text) + # Set to 7 valid digits. + text = '{\n "floatValue": 1.123457\n}' + self.assertEqual( + json_format.MessageToJson(message, float_precision=7), text) + + # Default float_precision will automatic print shortest float. + message.float_value = 1.1000000011 + text = '{\n "floatValue": 1.1\n}' + self.assertEqual( + json_format.MessageToJson(message), text) + message.float_value = 1.00000075e-36 + text = '{\n "floatValue": 1.00000075e-36\n}' + self.assertEqual( + json_format.MessageToJson(message), text) + message.float_value = 12345678912345e+11 + text = '{\n "floatValue": 1.234568e+24\n}' + self.assertEqual( + json_format.MessageToJson(message), text) + + # Test a bunch of data and check json encode/decode do not + # lose precision + value_list = [0x00, 0xD8, 0x6E, 0x00] + msg2 = json_format_proto3_pb2.TestMessage() + for a in range(0, 256): + value_list[3] = a + for b in range(0, 256): + value_list[0] = b + byte_array = bytearray(value_list) + message.float_value = struct.unpack('.", + json_format.ParseDict, {'value': UnknownClass()}, message) + + def testMessageToDict(self): + message = json_format_proto3_pb2.TestMessage() + message.int32_value = 12345 + expected = {'int32Value': 12345} + self.assertEqual(expected, + json_format.MessageToDict(message)) + + def testJsonName(self): + message = json_format_proto3_pb2.TestCustomJsonName() + message.value = 12345 + self.assertEqual('{\n "@value": 12345\n}', + json_format.MessageToJson(message)) + parsed_message = json_format_proto3_pb2.TestCustomJsonName() + self.CheckParseBack(message, parsed_message) + + def testSortKeys(self): + # Testing sort_keys is not perfectly working, as by random luck we could + # get the output sorted. We just use a selection of names. + message = json_format_proto3_pb2.TestMessage(bool_value=True, + int32_value=1, + int64_value=3, + uint32_value=4, + string_value='bla') + self.assertEqual( + json_format.MessageToJson(message, sort_keys=True), + # We use json.dumps() instead of a hardcoded string due to differences + # between Python 2 and Python 3. + json.dumps({'boolValue': True, 'int32Value': 1, 'int64Value': '3', + 'uint32Value': 4, 'stringValue': 'bla'}, + indent=2, sort_keys=True)) + + def testNestedRecursiveLimit(self): + message = unittest_pb2.NestedTestAllTypes() + self.assertRaisesRegex( + json_format.ParseError, + 'Message too deep. Max recursion depth is 3', + json_format.Parse, + '{"child": {"child": {"child" : {}}}}', + message, + max_recursion_depth=3) + # The following one can pass + json_format.Parse('{"payload": {}, "child": {"child":{}}}', + message, max_recursion_depth=3) + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/keywords_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/keywords_test.py new file mode 100644 index 0000000..4182cf6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/keywords_test.py @@ -0,0 +1,103 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests for google.protobuf.internal.keywords.""" + +import unittest + + +from google.protobuf.internal import more_messages_pb2 +from google.protobuf import descriptor_pool + + +class KeywordsConflictTest(unittest.TestCase): + + def setUp(self): + super(KeywordsConflictTest, self).setUp() + self.pool = descriptor_pool.Default() + + def testMessage(self): + message = getattr(more_messages_pb2, 'class')() + message.int_field = 123 + self.assertEqual(message.int_field, 123) + des = self.pool.FindMessageTypeByName('google.protobuf.internal.class') + self.assertEqual(des.name, 'class') + + def testNestedMessage(self): + message = getattr(more_messages_pb2, 'class')() + message.nested_message.field = 234 + self.assertEqual(message.nested_message.field, 234) + des = self.pool.FindMessageTypeByName('google.protobuf.internal.class.try') + self.assertEqual(des.name, 'try') + + def testField(self): + message = getattr(more_messages_pb2, 'class')() + setattr(message, 'if', 123) + setattr(message, 'as', 1) + self.assertEqual(getattr(message, 'if'), 123) + self.assertEqual(getattr(message, 'as'), 1) + + def testEnum(self): + class_ = getattr(more_messages_pb2, 'class') + message = class_() + # Normal enum value. + message.enum_field = more_messages_pb2.default + self.assertEqual(message.enum_field, more_messages_pb2.default) + # Top level enum value. + message.enum_field = getattr(more_messages_pb2, 'else') + self.assertEqual(message.enum_field, 1) + # Nested enum value + message.nested_enum_field = getattr(class_, 'True') + self.assertEqual(message.nested_enum_field, 1) + + def testExtension(self): + message = getattr(more_messages_pb2, 'class')() + # Top level extension + extension1 = getattr(more_messages_pb2, 'continue') + message.Extensions[extension1] = 456 + self.assertEqual(message.Extensions[extension1], 456) + # None top level extension + extension2 = getattr(more_messages_pb2.ExtendClass, 'return') + message.Extensions[extension2] = 789 + self.assertEqual(message.Extensions[extension2], 789) + + def testExtensionForNestedMessage(self): + message = getattr(more_messages_pb2, 'class')() + extension = getattr(more_messages_pb2, 'with') + message.nested_message.Extensions[extension] = 999 + self.assertEqual(message.nested_message.Extensions[extension], 999) + + def TestFullKeywordUsed(self): + message = more_messages_pb2.TestFullKeyword() + message.field2.int_field = 123 + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/message_factory_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/message_factory_test.py new file mode 100644 index 0000000..efba619 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/message_factory_test.py @@ -0,0 +1,299 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests for google.protobuf.message_factory.""" + +__author__ = 'matthewtoia@google.com (Matt Toia)' + +import unittest + +from google.protobuf import descriptor_pb2 +from google.protobuf.internal import api_implementation +from google.protobuf.internal import factory_test1_pb2 +from google.protobuf.internal import factory_test2_pb2 +from google.protobuf.internal import testing_refleaks +from google.protobuf import descriptor_database +from google.protobuf import descriptor_pool +from google.protobuf import message_factory + + +@testing_refleaks.TestCase +class MessageFactoryTest(unittest.TestCase): + + def setUp(self): + self.factory_test1_fd = descriptor_pb2.FileDescriptorProto.FromString( + factory_test1_pb2.DESCRIPTOR.serialized_pb) + self.factory_test2_fd = descriptor_pb2.FileDescriptorProto.FromString( + factory_test2_pb2.DESCRIPTOR.serialized_pb) + + def _ExerciseDynamicClass(self, cls): + msg = cls() + msg.mandatory = 42 + msg.nested_factory_2_enum = 0 + msg.nested_factory_2_message.value = 'nested message value' + msg.factory_1_message.factory_1_enum = 1 + msg.factory_1_message.nested_factory_1_enum = 0 + msg.factory_1_message.nested_factory_1_message.value = ( + 'nested message value') + msg.factory_1_message.scalar_value = 22 + msg.factory_1_message.list_value.extend([u'one', u'two', u'three']) + msg.factory_1_message.list_value.append(u'four') + msg.factory_1_enum = 1 + msg.nested_factory_1_enum = 0 + msg.nested_factory_1_message.value = 'nested message value' + msg.circular_message.mandatory = 1 + msg.circular_message.circular_message.mandatory = 2 + msg.circular_message.scalar_value = 'one deep' + msg.scalar_value = 'zero deep' + msg.list_value.extend([u'four', u'three', u'two']) + msg.list_value.append(u'one') + msg.grouped.add() + msg.grouped[0].part_1 = 'hello' + msg.grouped[0].part_2 = 'world' + msg.grouped.add(part_1='testing', part_2='123') + msg.loop.loop.mandatory = 2 + msg.loop.loop.loop.loop.mandatory = 4 + serialized = msg.SerializeToString() + converted = factory_test2_pb2.Factory2Message.FromString(serialized) + reserialized = converted.SerializeToString() + self.assertEqual(serialized, reserialized) + result = cls.FromString(reserialized) + self.assertEqual(msg, result) + + def testGetPrototype(self): + db = descriptor_database.DescriptorDatabase() + pool = descriptor_pool.DescriptorPool(db) + db.Add(self.factory_test1_fd) + db.Add(self.factory_test2_fd) + factory = message_factory.MessageFactory() + cls = factory.GetPrototype(pool.FindMessageTypeByName( + 'google.protobuf.python.internal.Factory2Message')) + self.assertFalse(cls is factory_test2_pb2.Factory2Message) + self._ExerciseDynamicClass(cls) + cls2 = factory.GetPrototype(pool.FindMessageTypeByName( + 'google.protobuf.python.internal.Factory2Message')) + self.assertTrue(cls is cls2) + + def testCreatePrototypeOverride(self): + class MyMessageFactory(message_factory.MessageFactory): + + def CreatePrototype(self, descriptor): + cls = super(MyMessageFactory, self).CreatePrototype(descriptor) + cls.additional_field = 'Some value' + return cls + + db = descriptor_database.DescriptorDatabase() + pool = descriptor_pool.DescriptorPool(db) + db.Add(self.factory_test1_fd) + db.Add(self.factory_test2_fd) + factory = MyMessageFactory() + cls = factory.GetPrototype(pool.FindMessageTypeByName( + 'google.protobuf.python.internal.Factory2Message')) + self.assertTrue(hasattr(cls, 'additional_field')) + + def testGetMessages(self): + # performed twice because multiple calls with the same input must be allowed + for _ in range(2): + # GetMessage should work regardless of the order the FileDescriptorProto + # are provided. In particular, the function should succeed when the files + # are not in the topological order of dependencies. + + # Assuming factory_test2_fd depends on factory_test1_fd. + self.assertIn(self.factory_test1_fd.name, + self.factory_test2_fd.dependency) + # Get messages should work when a file comes before its dependencies: + # factory_test2_fd comes before factory_test1_fd. + messages = message_factory.GetMessages([self.factory_test2_fd, + self.factory_test1_fd]) + self.assertTrue( + set(['google.protobuf.python.internal.Factory2Message', + 'google.protobuf.python.internal.Factory1Message'], + ).issubset(set(messages.keys()))) + self._ExerciseDynamicClass( + messages['google.protobuf.python.internal.Factory2Message']) + factory_msg1 = messages['google.protobuf.python.internal.Factory1Message'] + self.assertTrue(set( + ['google.protobuf.python.internal.Factory2Message.one_more_field', + 'google.protobuf.python.internal.another_field'],).issubset(set( + ext.full_name + for ext in factory_msg1.DESCRIPTOR.file.pool.FindAllExtensions( + factory_msg1.DESCRIPTOR)))) + msg1 = messages['google.protobuf.python.internal.Factory1Message']() + ext1 = msg1.Extensions._FindExtensionByName( + 'google.protobuf.python.internal.Factory2Message.one_more_field') + ext2 = msg1.Extensions._FindExtensionByName( + 'google.protobuf.python.internal.another_field') + self.assertEqual(0, len(msg1.Extensions)) + msg1.Extensions[ext1] = 'test1' + msg1.Extensions[ext2] = 'test2' + self.assertEqual('test1', msg1.Extensions[ext1]) + self.assertEqual('test2', msg1.Extensions[ext2]) + self.assertEqual(None, + msg1.Extensions._FindExtensionByNumber(12321)) + self.assertEqual(2, len(msg1.Extensions)) + if api_implementation.Type() == 'cpp': + self.assertRaises(TypeError, + msg1.Extensions._FindExtensionByName, 0) + self.assertRaises(TypeError, + msg1.Extensions._FindExtensionByNumber, '') + else: + self.assertEqual(None, + msg1.Extensions._FindExtensionByName(0)) + self.assertEqual(None, + msg1.Extensions._FindExtensionByNumber('')) + + def testDuplicateExtensionNumber(self): + pool = descriptor_pool.DescriptorPool() + factory = message_factory.MessageFactory(pool=pool) + + # Add Container message. + f = descriptor_pb2.FileDescriptorProto( + name='google/protobuf/internal/container.proto', + package='google.protobuf.python.internal') + f.message_type.add(name='Container').extension_range.add(start=1, end=10) + pool.Add(f) + msgs = factory.GetMessages([f.name]) + self.assertIn('google.protobuf.python.internal.Container', msgs) + + # Extend container. + f = descriptor_pb2.FileDescriptorProto( + name='google/protobuf/internal/extension.proto', + package='google.protobuf.python.internal', + dependency=['google/protobuf/internal/container.proto']) + msg = f.message_type.add(name='Extension') + msg.extension.add( + name='extension_field', + number=2, + label=descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL, + type_name='Extension', + extendee='Container') + pool.Add(f) + msgs = factory.GetMessages([f.name]) + self.assertIn('google.protobuf.python.internal.Extension', msgs) + + # Add Duplicate extending the same field number. + f = descriptor_pb2.FileDescriptorProto( + name='google/protobuf/internal/duplicate.proto', + package='google.protobuf.python.internal', + dependency=['google/protobuf/internal/container.proto']) + msg = f.message_type.add(name='Duplicate') + msg.extension.add( + name='extension_field', + number=2, + label=descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL, + type_name='Duplicate', + extendee='Container') + pool.Add(f) + + with self.assertRaises(Exception) as cm: + factory.GetMessages([f.name]) + + self.assertIn(str(cm.exception), + ['Extensions ' + '"google.protobuf.python.internal.Duplicate.extension_field" and' + ' "google.protobuf.python.internal.Extension.extension_field"' + ' both try to extend message type' + ' "google.protobuf.python.internal.Container"' + ' with field number 2.', + 'Double registration of Extensions']) + + def testExtensionValueInDifferentFile(self): + # Add Container message. + f1 = descriptor_pb2.FileDescriptorProto( + name='google/protobuf/internal/container.proto', + package='google.protobuf.python.internal') + f1.message_type.add(name='Container').extension_range.add(start=1, end=10) + + # Add ValueType message. + f2 = descriptor_pb2.FileDescriptorProto( + name='google/protobuf/internal/value_type.proto', + package='google.protobuf.python.internal') + f2.message_type.add(name='ValueType').field.add( + name='setting', + number=1, + label=descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL, + type=descriptor_pb2.FieldDescriptorProto.TYPE_INT32, + default_value='123') + + # Extend container with field of ValueType. + f3 = descriptor_pb2.FileDescriptorProto( + name='google/protobuf/internal/extension.proto', + package='google.protobuf.python.internal', + dependency=[f1.name, f2.name]) + f3.extension.add( + name='top_level_extension_field', + number=2, + label=descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL, + type_name='ValueType', + extendee='Container') + f3.message_type.add(name='Extension').extension.add( + name='nested_extension_field', + number=3, + label=descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL, + type_name='ValueType', + extendee='Container') + + class SimpleDescriptorDB: + + def __init__(self, files): + self._files = files + + def FindFileByName(self, name): + return self._files[name] + + db = SimpleDescriptorDB({f1.name: f1, f2.name: f2, f3.name: f3}) + + pool = descriptor_pool.DescriptorPool(db) + factory = message_factory.MessageFactory(pool=pool) + msgs = factory.GetMessages([f1.name, f3.name]) # Deliberately not f2. + msg = msgs['google.protobuf.python.internal.Container'] + desc = msgs['google.protobuf.python.internal.Extension'].DESCRIPTOR + ext1 = desc.file.extensions_by_name['top_level_extension_field'] + ext2 = desc.extensions_by_name['nested_extension_field'] + m = msg() + m.Extensions[ext1].setting = 234 + m.Extensions[ext2].setting = 345 + serialized = m.SerializeToString() + + pool = descriptor_pool.DescriptorPool(db) + factory = message_factory.MessageFactory(pool=pool) + msgs = factory.GetMessages([f1.name, f3.name]) # Deliberately not f2. + msg = msgs['google.protobuf.python.internal.Container'] + desc = msgs['google.protobuf.python.internal.Extension'].DESCRIPTOR + ext1 = desc.file.extensions_by_name['top_level_extension_field'] + ext2 = desc.extensions_by_name['nested_extension_field'] + m = msg.FromString(serialized) + self.assertEqual(2, len(m.ListFields())) + self.assertEqual(234, m.Extensions[ext1].setting) + self.assertEqual(345, m.Extensions[ext2].setting) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/message_listener.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/message_listener.py new file mode 100644 index 0000000..0fc255a --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/message_listener.py @@ -0,0 +1,78 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Defines a listener interface for observing certain +state transitions on Message objects. + +Also defines a null implementation of this interface. +""" + +__author__ = 'robinson@google.com (Will Robinson)' + + +class MessageListener(object): + + """Listens for modifications made to a message. Meant to be registered via + Message._SetListener(). + + Attributes: + dirty: If True, then calling Modified() would be a no-op. This can be + used to avoid these calls entirely in the common case. + """ + + def Modified(self): + """Called every time the message is modified in such a way that the parent + message may need to be updated. This currently means either: + (a) The message was modified for the first time, so the parent message + should henceforth mark the message as present. + (b) The message's cached byte size became dirty -- i.e. the message was + modified for the first time after a previous call to ByteSize(). + Therefore the parent should also mark its byte size as dirty. + Note that (a) implies (b), since new objects start out with a client cached + size (zero). However, we document (a) explicitly because it is important. + + Modified() will *only* be called in response to one of these two events -- + not every time the sub-message is modified. + + Note that if the listener's |dirty| attribute is true, then calling + Modified at the moment would be a no-op, so it can be skipped. Performance- + sensitive callers should check this attribute directly before calling since + it will be true most of the time. + """ + + raise NotImplementedError + + +class NullMessageListener(object): + + """No-op MessageListener implementation.""" + + def Modified(self): + pass diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/message_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/message_test.py new file mode 100644 index 0000000..40abfe4 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/message_test.py @@ -0,0 +1,2572 @@ +# -*- coding: utf-8 -*- +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests python protocol buffers against the golden message. + +Note that the golden messages exercise every known field type, thus this +test ends up exercising and verifying nearly all of the parsing and +serialization code in the whole library. + +TODO(kenton): Merge with wire_format_test? It doesn't make a whole lot of +sense to call this a test of the "message" module, which only declares an +abstract interface. +""" + +__author__ = 'gps@google.com (Gregory P. Smith)' + +import collections +import copy +import math +import operator +import pickle +import pydoc +import sys +import unittest +import warnings + +cmp = lambda x, y: (x > y) - (x < y) + +from google.protobuf import map_proto2_unittest_pb2 +from google.protobuf import map_unittest_pb2 +from google.protobuf import unittest_pb2 +from google.protobuf import unittest_proto3_arena_pb2 +from google.protobuf import descriptor +from google.protobuf.internal import api_implementation +from google.protobuf.internal import encoder +from google.protobuf.internal import more_extensions_pb2 +from google.protobuf.internal import packed_field_test_pb2 +from google.protobuf.internal import test_util +from google.protobuf.internal import test_proto3_optional_pb2 +from google.protobuf.internal import testing_refleaks +from google.protobuf import message +from google.protobuf.internal import _parameterized + +UCS2_MAXUNICODE = 65535 + +warnings.simplefilter('error', DeprecationWarning) + + +@_parameterized.named_parameters(('_proto2', unittest_pb2), + ('_proto3', unittest_proto3_arena_pb2)) +@testing_refleaks.TestCase +class MessageTest(unittest.TestCase): + + def testBadUtf8String(self, message_module): + if api_implementation.Type() != 'python': + self.skipTest('Skipping testBadUtf8String, currently only the python ' + 'api implementation raises UnicodeDecodeError when a ' + 'string field contains bad utf-8.') + bad_utf8_data = test_util.GoldenFileData('bad_utf8_string') + with self.assertRaises(UnicodeDecodeError) as context: + message_module.TestAllTypes.FromString(bad_utf8_data) + self.assertIn('TestAllTypes.optional_string', str(context.exception)) + + def testGoldenMessage(self, message_module): + # Proto3 doesn't have the "default_foo" members or foreign enums, + # and doesn't preserve unknown fields, so for proto3 we use a golden + # message that doesn't have these fields set. + if message_module is unittest_pb2: + golden_data = test_util.GoldenFileData('golden_message_oneof_implemented') + else: + golden_data = test_util.GoldenFileData('golden_message_proto3') + + golden_message = message_module.TestAllTypes() + golden_message.ParseFromString(golden_data) + if message_module is unittest_pb2: + test_util.ExpectAllFieldsSet(self, golden_message) + self.assertEqual(golden_data, golden_message.SerializeToString()) + golden_copy = copy.deepcopy(golden_message) + self.assertEqual(golden_data, golden_copy.SerializeToString()) + + def testGoldenPackedMessage(self, message_module): + golden_data = test_util.GoldenFileData('golden_packed_fields_message') + golden_message = message_module.TestPackedTypes() + parsed_bytes = golden_message.ParseFromString(golden_data) + all_set = message_module.TestPackedTypes() + test_util.SetAllPackedFields(all_set) + self.assertEqual(parsed_bytes, len(golden_data)) + self.assertEqual(all_set, golden_message) + self.assertEqual(golden_data, all_set.SerializeToString()) + golden_copy = copy.deepcopy(golden_message) + self.assertEqual(golden_data, golden_copy.SerializeToString()) + + def testParseErrors(self, message_module): + msg = message_module.TestAllTypes() + self.assertRaises(TypeError, msg.FromString, 0) + self.assertRaises(Exception, msg.FromString, '0') + # TODO(jieluo): Fix cpp extension to raise error instead of warning. + # b/27494216 + end_tag = encoder.TagBytes(1, 4) + if (api_implementation.Type() == 'python' or + api_implementation.Type() == 'upb'): + with self.assertRaises(message.DecodeError) as context: + msg.FromString(end_tag) + if api_implementation.Type() == 'python': + # Only pure-Python has an error message this specific. + self.assertEqual('Unexpected end-group tag.', str(context.exception)) + + # Field number 0 is illegal. + self.assertRaises(message.DecodeError, msg.FromString, b'\3\4') + + def testDeterminismParameters(self, message_module): + # This message is always deterministically serialized, even if determinism + # is disabled, so we can use it to verify that all the determinism + # parameters work correctly. + golden_data = (b'\xe2\x02\nOne string' + b'\xe2\x02\nTwo string' + b'\xe2\x02\nRed string' + b'\xe2\x02\x0bBlue string') + golden_message = message_module.TestAllTypes() + golden_message.repeated_string.extend([ + 'One string', + 'Two string', + 'Red string', + 'Blue string', + ]) + self.assertEqual(golden_data, + golden_message.SerializeToString(deterministic=None)) + self.assertEqual(golden_data, + golden_message.SerializeToString(deterministic=False)) + self.assertEqual(golden_data, + golden_message.SerializeToString(deterministic=True)) + + class BadArgError(Exception): + pass + + class BadArg(object): + + def __nonzero__(self): + raise BadArgError() + + def __bool__(self): + raise BadArgError() + + with self.assertRaises(BadArgError): + golden_message.SerializeToString(deterministic=BadArg()) + + def testPickleSupport(self, message_module): + golden_data = test_util.GoldenFileData('golden_message') + golden_message = message_module.TestAllTypes() + golden_message.ParseFromString(golden_data) + pickled_message = pickle.dumps(golden_message) + + unpickled_message = pickle.loads(pickled_message) + self.assertEqual(unpickled_message, golden_message) + + def testPickleNestedMessage(self, message_module): + golden_message = message_module.TestPickleNestedMessage.NestedMessage(bb=1) + pickled_message = pickle.dumps(golden_message) + unpickled_message = pickle.loads(pickled_message) + self.assertEqual(unpickled_message, golden_message) + + def testPickleNestedNestedMessage(self, message_module): + cls = message_module.TestPickleNestedMessage.NestedMessage + golden_message = cls.NestedNestedMessage(cc=1) + pickled_message = pickle.dumps(golden_message) + unpickled_message = pickle.loads(pickled_message) + self.assertEqual(unpickled_message, golden_message) + + def testPositiveInfinity(self, message_module): + if message_module is unittest_pb2: + golden_data = (b'\x5D\x00\x00\x80\x7F' + b'\x61\x00\x00\x00\x00\x00\x00\xF0\x7F' + b'\xCD\x02\x00\x00\x80\x7F' + b'\xD1\x02\x00\x00\x00\x00\x00\x00\xF0\x7F') + else: + golden_data = (b'\x5D\x00\x00\x80\x7F' + b'\x61\x00\x00\x00\x00\x00\x00\xF0\x7F' + b'\xCA\x02\x04\x00\x00\x80\x7F' + b'\xD2\x02\x08\x00\x00\x00\x00\x00\x00\xF0\x7F') + + golden_message = message_module.TestAllTypes() + golden_message.ParseFromString(golden_data) + self.assertEqual(golden_message.optional_float, math.inf) + self.assertEqual(golden_message.optional_double, math.inf) + self.assertEqual(golden_message.repeated_float[0], math.inf) + self.assertEqual(golden_message.repeated_double[0], math.inf) + self.assertEqual(golden_data, golden_message.SerializeToString()) + + def testNegativeInfinity(self, message_module): + if message_module is unittest_pb2: + golden_data = (b'\x5D\x00\x00\x80\xFF' + b'\x61\x00\x00\x00\x00\x00\x00\xF0\xFF' + b'\xCD\x02\x00\x00\x80\xFF' + b'\xD1\x02\x00\x00\x00\x00\x00\x00\xF0\xFF') + else: + golden_data = (b'\x5D\x00\x00\x80\xFF' + b'\x61\x00\x00\x00\x00\x00\x00\xF0\xFF' + b'\xCA\x02\x04\x00\x00\x80\xFF' + b'\xD2\x02\x08\x00\x00\x00\x00\x00\x00\xF0\xFF') + + golden_message = message_module.TestAllTypes() + golden_message.ParseFromString(golden_data) + self.assertEqual(golden_message.optional_float, -math.inf) + self.assertEqual(golden_message.optional_double, -math.inf) + self.assertEqual(golden_message.repeated_float[0], -math.inf) + self.assertEqual(golden_message.repeated_double[0], -math.inf) + self.assertEqual(golden_data, golden_message.SerializeToString()) + + def testNotANumber(self, message_module): + golden_data = (b'\x5D\x00\x00\xC0\x7F' + b'\x61\x00\x00\x00\x00\x00\x00\xF8\x7F' + b'\xCD\x02\x00\x00\xC0\x7F' + b'\xD1\x02\x00\x00\x00\x00\x00\x00\xF8\x7F') + golden_message = message_module.TestAllTypes() + golden_message.ParseFromString(golden_data) + self.assertTrue(math.isnan(golden_message.optional_float)) + self.assertTrue(math.isnan(golden_message.optional_double)) + self.assertTrue(math.isnan(golden_message.repeated_float[0])) + self.assertTrue(math.isnan(golden_message.repeated_double[0])) + + # The protocol buffer may serialize to any one of multiple different + # representations of a NaN. Rather than verify a specific representation, + # verify the serialized string can be converted into a correctly + # behaving protocol buffer. + serialized = golden_message.SerializeToString() + message = message_module.TestAllTypes() + message.ParseFromString(serialized) + self.assertTrue(math.isnan(message.optional_float)) + self.assertTrue(math.isnan(message.optional_double)) + self.assertTrue(math.isnan(message.repeated_float[0])) + self.assertTrue(math.isnan(message.repeated_double[0])) + + def testPositiveInfinityPacked(self, message_module): + golden_data = (b'\xA2\x06\x04\x00\x00\x80\x7F' + b'\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF0\x7F') + golden_message = message_module.TestPackedTypes() + golden_message.ParseFromString(golden_data) + self.assertEqual(golden_message.packed_float[0], math.inf) + self.assertEqual(golden_message.packed_double[0], math.inf) + self.assertEqual(golden_data, golden_message.SerializeToString()) + + def testNegativeInfinityPacked(self, message_module): + golden_data = (b'\xA2\x06\x04\x00\x00\x80\xFF' + b'\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF0\xFF') + golden_message = message_module.TestPackedTypes() + golden_message.ParseFromString(golden_data) + self.assertEqual(golden_message.packed_float[0], -math.inf) + self.assertEqual(golden_message.packed_double[0], -math.inf) + self.assertEqual(golden_data, golden_message.SerializeToString()) + + def testNotANumberPacked(self, message_module): + golden_data = (b'\xA2\x06\x04\x00\x00\xC0\x7F' + b'\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF8\x7F') + golden_message = message_module.TestPackedTypes() + golden_message.ParseFromString(golden_data) + self.assertTrue(math.isnan(golden_message.packed_float[0])) + self.assertTrue(math.isnan(golden_message.packed_double[0])) + + serialized = golden_message.SerializeToString() + message = message_module.TestPackedTypes() + message.ParseFromString(serialized) + self.assertTrue(math.isnan(message.packed_float[0])) + self.assertTrue(math.isnan(message.packed_double[0])) + + def testExtremeFloatValues(self, message_module): + message = message_module.TestAllTypes() + + # Most positive exponent, no significand bits set. + kMostPosExponentNoSigBits = math.pow(2, 127) + message.optional_float = kMostPosExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == kMostPosExponentNoSigBits) + + # Most positive exponent, one significand bit set. + kMostPosExponentOneSigBit = 1.5 * math.pow(2, 127) + message.optional_float = kMostPosExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == kMostPosExponentOneSigBit) + + # Repeat last two cases with values of same magnitude, but negative. + message.optional_float = -kMostPosExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == -kMostPosExponentNoSigBits) + + message.optional_float = -kMostPosExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == -kMostPosExponentOneSigBit) + + # Most negative exponent, no significand bits set. + kMostNegExponentNoSigBits = math.pow(2, -127) + message.optional_float = kMostNegExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == kMostNegExponentNoSigBits) + + # Most negative exponent, one significand bit set. + kMostNegExponentOneSigBit = 1.5 * math.pow(2, -127) + message.optional_float = kMostNegExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == kMostNegExponentOneSigBit) + + # Repeat last two cases with values of the same magnitude, but negative. + message.optional_float = -kMostNegExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == -kMostNegExponentNoSigBits) + + message.optional_float = -kMostNegExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_float == -kMostNegExponentOneSigBit) + + # Max 4 bytes float value + max_float = float.fromhex('0x1.fffffep+127') + message.optional_float = max_float + self.assertAlmostEqual(message.optional_float, max_float) + serialized_data = message.SerializeToString() + message.ParseFromString(serialized_data) + self.assertAlmostEqual(message.optional_float, max_float) + + # Test set double to float field. + message.optional_float = 3.4028235e+39 + self.assertEqual(message.optional_float, float('inf')) + serialized_data = message.SerializeToString() + message.ParseFromString(serialized_data) + self.assertEqual(message.optional_float, float('inf')) + + message.optional_float = -3.4028235e+39 + self.assertEqual(message.optional_float, float('-inf')) + + message.optional_float = 1.4028235e-39 + self.assertAlmostEqual(message.optional_float, 1.4028235e-39) + + def testExtremeDoubleValues(self, message_module): + message = message_module.TestAllTypes() + + # Most positive exponent, no significand bits set. + kMostPosExponentNoSigBits = math.pow(2, 1023) + message.optional_double = kMostPosExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == kMostPosExponentNoSigBits) + + # Most positive exponent, one significand bit set. + kMostPosExponentOneSigBit = 1.5 * math.pow(2, 1023) + message.optional_double = kMostPosExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == kMostPosExponentOneSigBit) + + # Repeat last two cases with values of same magnitude, but negative. + message.optional_double = -kMostPosExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == -kMostPosExponentNoSigBits) + + message.optional_double = -kMostPosExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == -kMostPosExponentOneSigBit) + + # Most negative exponent, no significand bits set. + kMostNegExponentNoSigBits = math.pow(2, -1023) + message.optional_double = kMostNegExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == kMostNegExponentNoSigBits) + + # Most negative exponent, one significand bit set. + kMostNegExponentOneSigBit = 1.5 * math.pow(2, -1023) + message.optional_double = kMostNegExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == kMostNegExponentOneSigBit) + + # Repeat last two cases with values of the same magnitude, but negative. + message.optional_double = -kMostNegExponentNoSigBits + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == -kMostNegExponentNoSigBits) + + message.optional_double = -kMostNegExponentOneSigBit + message.ParseFromString(message.SerializeToString()) + self.assertTrue(message.optional_double == -kMostNegExponentOneSigBit) + + def testFloatPrinting(self, message_module): + message = message_module.TestAllTypes() + message.optional_float = 2.0 + self.assertEqual(str(message), 'optional_float: 2.0\n') + + def testHighPrecisionFloatPrinting(self, message_module): + msg = message_module.TestAllTypes() + msg.optional_float = 0.12345678912345678 + old_float = msg.optional_float + msg.ParseFromString(msg.SerializeToString()) + self.assertEqual(old_float, msg.optional_float) + + def testHighPrecisionDoublePrinting(self, message_module): + msg = message_module.TestAllTypes() + msg.optional_double = 0.12345678912345678 + self.assertEqual(str(msg), 'optional_double: 0.12345678912345678\n') + + def testUnknownFieldPrinting(self, message_module): + populated = message_module.TestAllTypes() + test_util.SetAllNonLazyFields(populated) + empty = message_module.TestEmptyMessage() + empty.ParseFromString(populated.SerializeToString()) + self.assertEqual(str(empty), '') + + def testAppendRepeatedCompositeField(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_nested_message.append( + message_module.TestAllTypes.NestedMessage(bb=1)) + nested = message_module.TestAllTypes.NestedMessage(bb=2) + msg.repeated_nested_message.append(nested) + try: + msg.repeated_nested_message.append(1) + except TypeError: + pass + self.assertEqual(2, len(msg.repeated_nested_message)) + self.assertEqual([1, 2], [m.bb for m in msg.repeated_nested_message]) + + def testInsertRepeatedCompositeField(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_nested_message.insert( + -1, message_module.TestAllTypes.NestedMessage(bb=1)) + sub_msg = msg.repeated_nested_message[0] + msg.repeated_nested_message.insert( + 0, message_module.TestAllTypes.NestedMessage(bb=2)) + msg.repeated_nested_message.insert( + 99, message_module.TestAllTypes.NestedMessage(bb=3)) + msg.repeated_nested_message.insert( + -2, message_module.TestAllTypes.NestedMessage(bb=-1)) + msg.repeated_nested_message.insert( + -1000, message_module.TestAllTypes.NestedMessage(bb=-1000)) + try: + msg.repeated_nested_message.insert(1, 999) + except TypeError: + pass + self.assertEqual(5, len(msg.repeated_nested_message)) + self.assertEqual([-1000, 2, -1, 1, 3], + [m.bb for m in msg.repeated_nested_message]) + self.assertEqual( + str(msg), 'repeated_nested_message {\n' + ' bb: -1000\n' + '}\n' + 'repeated_nested_message {\n' + ' bb: 2\n' + '}\n' + 'repeated_nested_message {\n' + ' bb: -1\n' + '}\n' + 'repeated_nested_message {\n' + ' bb: 1\n' + '}\n' + 'repeated_nested_message {\n' + ' bb: 3\n' + '}\n') + self.assertEqual(sub_msg.bb, 1) + + def testMergeFromRepeatedField(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_int32.append(1) + msg.repeated_int32.append(3) + msg.repeated_nested_message.add(bb=1) + msg.repeated_nested_message.add(bb=2) + other_msg = message_module.TestAllTypes() + other_msg.repeated_nested_message.add(bb=3) + other_msg.repeated_nested_message.add(bb=4) + other_msg.repeated_int32.append(5) + other_msg.repeated_int32.append(7) + + msg.repeated_int32.MergeFrom(other_msg.repeated_int32) + self.assertEqual(4, len(msg.repeated_int32)) + + msg.repeated_nested_message.MergeFrom(other_msg.repeated_nested_message) + self.assertEqual([1, 2, 3, 4], [m.bb for m in msg.repeated_nested_message]) + + def testAddWrongRepeatedNestedField(self, message_module): + msg = message_module.TestAllTypes() + try: + msg.repeated_nested_message.add('wrong') + except TypeError: + pass + try: + msg.repeated_nested_message.add(value_field='wrong') + except ValueError: + pass + self.assertEqual(len(msg.repeated_nested_message), 0) + + def testRepeatedContains(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_int32.extend([1, 2, 3]) + self.assertIn(2, msg.repeated_int32) + self.assertNotIn(0, msg.repeated_int32) + + msg.repeated_nested_message.add(bb=1) + sub_msg1 = msg.repeated_nested_message[0] + sub_msg2 = message_module.TestAllTypes.NestedMessage(bb=2) + sub_msg3 = message_module.TestAllTypes.NestedMessage(bb=3) + msg.repeated_nested_message.append(sub_msg2) + msg.repeated_nested_message.insert(0, sub_msg3) + self.assertIn(sub_msg1, msg.repeated_nested_message) + self.assertIn(sub_msg2, msg.repeated_nested_message) + self.assertIn(sub_msg3, msg.repeated_nested_message) + + def testRepeatedScalarIterable(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_int32.extend([1, 2, 3]) + add = 0 + for item in msg.repeated_int32: + add += item + self.assertEqual(add, 6) + + def testRepeatedNestedFieldIteration(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_nested_message.add(bb=1) + msg.repeated_nested_message.add(bb=2) + msg.repeated_nested_message.add(bb=3) + msg.repeated_nested_message.add(bb=4) + + self.assertEqual([1, 2, 3, 4], [m.bb for m in msg.repeated_nested_message]) + self.assertEqual([4, 3, 2, 1], + [m.bb for m in reversed(msg.repeated_nested_message)]) + self.assertEqual([4, 3, 2, 1], + [m.bb for m in msg.repeated_nested_message[::-1]]) + + def testSortingRepeatedScalarFieldsDefaultComparator(self, message_module): + """Check some different types with the default comparator.""" + message = message_module.TestAllTypes() + + # TODO(mattp): would testing more scalar types strengthen test? + message.repeated_int32.append(1) + message.repeated_int32.append(3) + message.repeated_int32.append(2) + message.repeated_int32.sort() + self.assertEqual(message.repeated_int32[0], 1) + self.assertEqual(message.repeated_int32[1], 2) + self.assertEqual(message.repeated_int32[2], 3) + self.assertEqual(str(message.repeated_int32), str([1, 2, 3])) + + message.repeated_float.append(1.1) + message.repeated_float.append(1.3) + message.repeated_float.append(1.2) + message.repeated_float.sort() + self.assertAlmostEqual(message.repeated_float[0], 1.1) + self.assertAlmostEqual(message.repeated_float[1], 1.2) + self.assertAlmostEqual(message.repeated_float[2], 1.3) + + message.repeated_string.append('a') + message.repeated_string.append('c') + message.repeated_string.append('b') + message.repeated_string.sort() + self.assertEqual(message.repeated_string[0], 'a') + self.assertEqual(message.repeated_string[1], 'b') + self.assertEqual(message.repeated_string[2], 'c') + self.assertEqual(str(message.repeated_string), str([u'a', u'b', u'c'])) + + message.repeated_bytes.append(b'a') + message.repeated_bytes.append(b'c') + message.repeated_bytes.append(b'b') + message.repeated_bytes.sort() + self.assertEqual(message.repeated_bytes[0], b'a') + self.assertEqual(message.repeated_bytes[1], b'b') + self.assertEqual(message.repeated_bytes[2], b'c') + self.assertEqual(str(message.repeated_bytes), str([b'a', b'b', b'c'])) + + def testSortingRepeatedScalarFieldsCustomComparator(self, message_module): + """Check some different types with custom comparator.""" + message = message_module.TestAllTypes() + + message.repeated_int32.append(-3) + message.repeated_int32.append(-2) + message.repeated_int32.append(-1) + message.repeated_int32.sort(key=abs) + self.assertEqual(message.repeated_int32[0], -1) + self.assertEqual(message.repeated_int32[1], -2) + self.assertEqual(message.repeated_int32[2], -3) + + message.repeated_string.append('aaa') + message.repeated_string.append('bb') + message.repeated_string.append('c') + message.repeated_string.sort(key=len) + self.assertEqual(message.repeated_string[0], 'c') + self.assertEqual(message.repeated_string[1], 'bb') + self.assertEqual(message.repeated_string[2], 'aaa') + + def testSortingRepeatedCompositeFieldsCustomComparator(self, message_module): + """Check passing a custom comparator to sort a repeated composite field.""" + message = message_module.TestAllTypes() + + message.repeated_nested_message.add().bb = 1 + message.repeated_nested_message.add().bb = 3 + message.repeated_nested_message.add().bb = 2 + message.repeated_nested_message.add().bb = 6 + message.repeated_nested_message.add().bb = 5 + message.repeated_nested_message.add().bb = 4 + message.repeated_nested_message.sort(key=operator.attrgetter('bb')) + self.assertEqual(message.repeated_nested_message[0].bb, 1) + self.assertEqual(message.repeated_nested_message[1].bb, 2) + self.assertEqual(message.repeated_nested_message[2].bb, 3) + self.assertEqual(message.repeated_nested_message[3].bb, 4) + self.assertEqual(message.repeated_nested_message[4].bb, 5) + self.assertEqual(message.repeated_nested_message[5].bb, 6) + self.assertEqual( + str(message.repeated_nested_message), + '[bb: 1\n, bb: 2\n, bb: 3\n, bb: 4\n, bb: 5\n, bb: 6\n]') + + def testSortingRepeatedCompositeFieldsStable(self, message_module): + """Check passing a custom comparator to sort a repeated composite field.""" + message = message_module.TestAllTypes() + + message.repeated_nested_message.add().bb = 21 + message.repeated_nested_message.add().bb = 20 + message.repeated_nested_message.add().bb = 13 + message.repeated_nested_message.add().bb = 33 + message.repeated_nested_message.add().bb = 11 + message.repeated_nested_message.add().bb = 24 + message.repeated_nested_message.add().bb = 10 + message.repeated_nested_message.sort(key=lambda z: z.bb // 10) + self.assertEqual([13, 11, 10, 21, 20, 24, 33], + [n.bb for n in message.repeated_nested_message]) + + # Make sure that for the C++ implementation, the underlying fields + # are actually reordered. + pb = message.SerializeToString() + message.Clear() + message.MergeFromString(pb) + self.assertEqual([13, 11, 10, 21, 20, 24, 33], + [n.bb for n in message.repeated_nested_message]) + + def testRepeatedCompositeFieldSortArguments(self, message_module): + """Check sorting a repeated composite field using list.sort() arguments.""" + message = message_module.TestAllTypes() + + get_bb = operator.attrgetter('bb') + message.repeated_nested_message.add().bb = 1 + message.repeated_nested_message.add().bb = 3 + message.repeated_nested_message.add().bb = 2 + message.repeated_nested_message.add().bb = 6 + message.repeated_nested_message.add().bb = 5 + message.repeated_nested_message.add().bb = 4 + message.repeated_nested_message.sort(key=get_bb) + self.assertEqual([k.bb for k in message.repeated_nested_message], + [1, 2, 3, 4, 5, 6]) + message.repeated_nested_message.sort(key=get_bb, reverse=True) + self.assertEqual([k.bb for k in message.repeated_nested_message], + [6, 5, 4, 3, 2, 1]) + + def testRepeatedScalarFieldSortArguments(self, message_module): + """Check sorting a scalar field using list.sort() arguments.""" + message = message_module.TestAllTypes() + + message.repeated_int32.append(-3) + message.repeated_int32.append(-2) + message.repeated_int32.append(-1) + message.repeated_int32.sort(key=abs) + self.assertEqual(list(message.repeated_int32), [-1, -2, -3]) + message.repeated_int32.sort(key=abs, reverse=True) + self.assertEqual(list(message.repeated_int32), [-3, -2, -1]) + + message.repeated_string.append('aaa') + message.repeated_string.append('bb') + message.repeated_string.append('c') + message.repeated_string.sort(key=len) + self.assertEqual(list(message.repeated_string), ['c', 'bb', 'aaa']) + message.repeated_string.sort(key=len, reverse=True) + self.assertEqual(list(message.repeated_string), ['aaa', 'bb', 'c']) + + def testRepeatedFieldsComparable(self, message_module): + m1 = message_module.TestAllTypes() + m2 = message_module.TestAllTypes() + m1.repeated_int32.append(0) + m1.repeated_int32.append(1) + m1.repeated_int32.append(2) + m2.repeated_int32.append(0) + m2.repeated_int32.append(1) + m2.repeated_int32.append(2) + m1.repeated_nested_message.add().bb = 1 + m1.repeated_nested_message.add().bb = 2 + m1.repeated_nested_message.add().bb = 3 + m2.repeated_nested_message.add().bb = 1 + m2.repeated_nested_message.add().bb = 2 + m2.repeated_nested_message.add().bb = 3 + + def testRepeatedFieldsAreSequences(self, message_module): + m = message_module.TestAllTypes() + self.assertIsInstance(m.repeated_int32, collections.abc.MutableSequence) + self.assertIsInstance(m.repeated_nested_message, + collections.abc.MutableSequence) + + def testRepeatedFieldsNotHashable(self, message_module): + m = message_module.TestAllTypes() + with self.assertRaises(TypeError): + hash(m.repeated_int32) + with self.assertRaises(TypeError): + hash(m.repeated_nested_message) + + def testRepeatedFieldInsideNestedMessage(self, message_module): + m = message_module.NestedTestAllTypes() + m.payload.repeated_int32.extend([]) + self.assertTrue(m.HasField('payload')) + + def testMergeFrom(self, message_module): + m1 = message_module.TestAllTypes() + m2 = message_module.TestAllTypes() + # Cpp extension will lazily create a sub message which is immutable. + nested = m1.optional_nested_message + self.assertEqual(0, nested.bb) + m2.optional_nested_message.bb = 1 + # Make sure cmessage pointing to a mutable message after merge instead of + # the lazily created message. + m1.MergeFrom(m2) + self.assertEqual(1, nested.bb) + + # Test more nested sub message. + msg1 = message_module.NestedTestAllTypes() + msg2 = message_module.NestedTestAllTypes() + nested = msg1.child.payload.optional_nested_message + self.assertEqual(0, nested.bb) + msg2.child.payload.optional_nested_message.bb = 1 + msg1.MergeFrom(msg2) + self.assertEqual(1, nested.bb) + + # Test repeated field. + self.assertEqual(msg1.payload.repeated_nested_message, + msg1.payload.repeated_nested_message) + nested = msg2.payload.repeated_nested_message.add() + nested.bb = 1 + msg1.MergeFrom(msg2) + self.assertEqual(1, len(msg1.payload.repeated_nested_message)) + self.assertEqual(1, nested.bb) + + def testMergeFromString(self, message_module): + m1 = message_module.TestAllTypes() + m2 = message_module.TestAllTypes() + # Cpp extension will lazily create a sub message which is immutable. + self.assertEqual(0, m1.optional_nested_message.bb) + m2.optional_nested_message.bb = 1 + # Make sure cmessage pointing to a mutable message after merge instead of + # the lazily created message. + m1.MergeFromString(m2.SerializeToString()) + self.assertEqual(1, m1.optional_nested_message.bb) + + def testMergeFromStringUsingMemoryView(self, message_module): + m2 = message_module.TestAllTypes() + m2.optional_string = 'scalar string' + m2.repeated_string.append('repeated string') + m2.optional_bytes = b'scalar bytes' + m2.repeated_bytes.append(b'repeated bytes') + + serialized = m2.SerializeToString() + memview = memoryview(serialized) + m1 = message_module.TestAllTypes.FromString(memview) + + self.assertEqual(m1.optional_bytes, b'scalar bytes') + self.assertEqual(m1.repeated_bytes, [b'repeated bytes']) + self.assertEqual(m1.optional_string, 'scalar string') + self.assertEqual(m1.repeated_string, ['repeated string']) + # Make sure that the memoryview was correctly converted to bytes, and + # that a sub-sliced memoryview is not being used. + self.assertIsInstance(m1.optional_bytes, bytes) + self.assertIsInstance(m1.repeated_bytes[0], bytes) + self.assertIsInstance(m1.optional_string, str) + self.assertIsInstance(m1.repeated_string[0], str) + + def testMergeFromEmpty(self, message_module): + m1 = message_module.TestAllTypes() + # Cpp extension will lazily create a sub message which is immutable. + self.assertEqual(0, m1.optional_nested_message.bb) + self.assertFalse(m1.HasField('optional_nested_message')) + # Make sure the sub message is still immutable after merge from empty. + m1.MergeFromString(b'') # field state should not change + self.assertFalse(m1.HasField('optional_nested_message')) + + def ensureNestedMessageExists(self, msg, attribute): + """Make sure that a nested message object exists. + + As soon as a nested message attribute is accessed, it will be present in the + _fields dict, without being marked as actually being set. + """ + getattr(msg, attribute) + self.assertFalse(msg.HasField(attribute)) + + def testOneofGetCaseNonexistingField(self, message_module): + m = message_module.TestAllTypes() + self.assertRaises(ValueError, m.WhichOneof, 'no_such_oneof_field') + self.assertRaises(Exception, m.WhichOneof, 0) + + def testOneofDefaultValues(self, message_module): + m = message_module.TestAllTypes() + self.assertIs(None, m.WhichOneof('oneof_field')) + self.assertFalse(m.HasField('oneof_field')) + self.assertFalse(m.HasField('oneof_uint32')) + + # Oneof is set even when setting it to a default value. + m.oneof_uint32 = 0 + self.assertEqual('oneof_uint32', m.WhichOneof('oneof_field')) + self.assertTrue(m.HasField('oneof_field')) + self.assertTrue(m.HasField('oneof_uint32')) + self.assertFalse(m.HasField('oneof_string')) + + m.oneof_string = '' + self.assertEqual('oneof_string', m.WhichOneof('oneof_field')) + self.assertTrue(m.HasField('oneof_string')) + self.assertFalse(m.HasField('oneof_uint32')) + + def testOneofSemantics(self, message_module): + m = message_module.TestAllTypes() + self.assertIs(None, m.WhichOneof('oneof_field')) + + m.oneof_uint32 = 11 + self.assertEqual('oneof_uint32', m.WhichOneof('oneof_field')) + self.assertTrue(m.HasField('oneof_uint32')) + + m.oneof_string = u'foo' + self.assertEqual('oneof_string', m.WhichOneof('oneof_field')) + self.assertFalse(m.HasField('oneof_uint32')) + self.assertTrue(m.HasField('oneof_string')) + + # Read nested message accessor without accessing submessage. + m.oneof_nested_message + self.assertEqual('oneof_string', m.WhichOneof('oneof_field')) + self.assertTrue(m.HasField('oneof_string')) + self.assertFalse(m.HasField('oneof_nested_message')) + + # Read accessor of nested message without accessing submessage. + m.oneof_nested_message.bb + self.assertEqual('oneof_string', m.WhichOneof('oneof_field')) + self.assertTrue(m.HasField('oneof_string')) + self.assertFalse(m.HasField('oneof_nested_message')) + + m.oneof_nested_message.bb = 11 + self.assertEqual('oneof_nested_message', m.WhichOneof('oneof_field')) + self.assertFalse(m.HasField('oneof_string')) + self.assertTrue(m.HasField('oneof_nested_message')) + + m.oneof_bytes = b'bb' + self.assertEqual('oneof_bytes', m.WhichOneof('oneof_field')) + self.assertFalse(m.HasField('oneof_nested_message')) + self.assertTrue(m.HasField('oneof_bytes')) + + def testOneofCompositeFieldReadAccess(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + + self.ensureNestedMessageExists(m, 'oneof_nested_message') + self.assertEqual('oneof_uint32', m.WhichOneof('oneof_field')) + self.assertEqual(11, m.oneof_uint32) + + def testOneofWhichOneof(self, message_module): + m = message_module.TestAllTypes() + self.assertIs(None, m.WhichOneof('oneof_field')) + if message_module is unittest_pb2: + self.assertFalse(m.HasField('oneof_field')) + + m.oneof_uint32 = 11 + self.assertEqual('oneof_uint32', m.WhichOneof('oneof_field')) + if message_module is unittest_pb2: + self.assertTrue(m.HasField('oneof_field')) + + m.oneof_bytes = b'bb' + self.assertEqual('oneof_bytes', m.WhichOneof('oneof_field')) + + m.ClearField('oneof_bytes') + self.assertIs(None, m.WhichOneof('oneof_field')) + if message_module is unittest_pb2: + self.assertFalse(m.HasField('oneof_field')) + + def testOneofClearField(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + m.ClearField('oneof_field') + if message_module is unittest_pb2: + self.assertFalse(m.HasField('oneof_field')) + self.assertFalse(m.HasField('oneof_uint32')) + self.assertIs(None, m.WhichOneof('oneof_field')) + + def testOneofClearSetField(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + m.ClearField('oneof_uint32') + if message_module is unittest_pb2: + self.assertFalse(m.HasField('oneof_field')) + self.assertFalse(m.HasField('oneof_uint32')) + self.assertIs(None, m.WhichOneof('oneof_field')) + + def testOneofClearUnsetField(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + self.ensureNestedMessageExists(m, 'oneof_nested_message') + m.ClearField('oneof_nested_message') + self.assertEqual(11, m.oneof_uint32) + if message_module is unittest_pb2: + self.assertTrue(m.HasField('oneof_field')) + self.assertTrue(m.HasField('oneof_uint32')) + self.assertEqual('oneof_uint32', m.WhichOneof('oneof_field')) + + def testOneofDeserialize(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + m2 = message_module.TestAllTypes() + m2.ParseFromString(m.SerializeToString()) + self.assertEqual('oneof_uint32', m2.WhichOneof('oneof_field')) + + def testOneofCopyFrom(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + m2 = message_module.TestAllTypes() + m2.CopyFrom(m) + self.assertEqual('oneof_uint32', m2.WhichOneof('oneof_field')) + + def testOneofNestedMergeFrom(self, message_module): + m = message_module.NestedTestAllTypes() + m.payload.oneof_uint32 = 11 + m2 = message_module.NestedTestAllTypes() + m2.payload.oneof_bytes = b'bb' + m2.child.payload.oneof_bytes = b'bb' + m2.MergeFrom(m) + self.assertEqual('oneof_uint32', m2.payload.WhichOneof('oneof_field')) + self.assertEqual('oneof_bytes', m2.child.payload.WhichOneof('oneof_field')) + + def testOneofMessageMergeFrom(self, message_module): + m = message_module.NestedTestAllTypes() + m.payload.oneof_nested_message.bb = 11 + m.child.payload.oneof_nested_message.bb = 12 + m2 = message_module.NestedTestAllTypes() + m2.payload.oneof_uint32 = 13 + m2.MergeFrom(m) + self.assertEqual('oneof_nested_message', + m2.payload.WhichOneof('oneof_field')) + self.assertEqual('oneof_nested_message', + m2.child.payload.WhichOneof('oneof_field')) + + def testOneofNestedMessageInit(self, message_module): + m = message_module.TestAllTypes( + oneof_nested_message=message_module.TestAllTypes.NestedMessage()) + self.assertEqual('oneof_nested_message', m.WhichOneof('oneof_field')) + + def testOneofClear(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + m.Clear() + self.assertIsNone(m.WhichOneof('oneof_field')) + m.oneof_bytes = b'bb' + self.assertEqual('oneof_bytes', m.WhichOneof('oneof_field')) + + def testAssignByteStringToUnicodeField(self, message_module): + """Assigning a byte string to a string field should result + + in the value being converted to a Unicode string. + """ + m = message_module.TestAllTypes() + m.optional_string = str('') + self.assertIsInstance(m.optional_string, str) + + def testLongValuedSlice(self, message_module): + """It should be possible to use int-valued indices in slices. + + This didn't used to work in the v2 C++ implementation. + """ + m = message_module.TestAllTypes() + + # Repeated scalar + m.repeated_int32.append(1) + sl = m.repeated_int32[int(0):int(len(m.repeated_int32))] + self.assertEqual(len(m.repeated_int32), len(sl)) + + # Repeated composite + m.repeated_nested_message.add().bb = 3 + sl = m.repeated_nested_message[int(0):int(len(m.repeated_nested_message))] + self.assertEqual(len(m.repeated_nested_message), len(sl)) + + def testExtendShouldNotSwallowExceptions(self, message_module): + """This didn't use to work in the v2 C++ implementation.""" + m = message_module.TestAllTypes() + with self.assertRaises(NameError) as _: + m.repeated_int32.extend(a for i in range(10)) # pylint: disable=undefined-variable + with self.assertRaises(NameError) as _: + m.repeated_nested_enum.extend(a for i in range(10)) # pylint: disable=undefined-variable + + FALSY_VALUES = [None, False, 0, 0.0, b'', u'', bytearray(), [], {}, set()] + + def testExtendInt32WithNothing(self, message_module): + """Test no-ops extending repeated int32 fields.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_int32) + + # TODO(ptucker): Deprecate this behavior. b/18413862 + for falsy_value in MessageTest.FALSY_VALUES: + m.repeated_int32.extend(falsy_value) + self.assertSequenceEqual([], m.repeated_int32) + + m.repeated_int32.extend([]) + self.assertSequenceEqual([], m.repeated_int32) + + def testExtendFloatWithNothing(self, message_module): + """Test no-ops extending repeated float fields.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_float) + + # TODO(ptucker): Deprecate this behavior. b/18413862 + for falsy_value in MessageTest.FALSY_VALUES: + m.repeated_float.extend(falsy_value) + self.assertSequenceEqual([], m.repeated_float) + + m.repeated_float.extend([]) + self.assertSequenceEqual([], m.repeated_float) + + def testExtendStringWithNothing(self, message_module): + """Test no-ops extending repeated string fields.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_string) + + # TODO(ptucker): Deprecate this behavior. b/18413862 + for falsy_value in MessageTest.FALSY_VALUES: + m.repeated_string.extend(falsy_value) + self.assertSequenceEqual([], m.repeated_string) + + m.repeated_string.extend([]) + self.assertSequenceEqual([], m.repeated_string) + + def testExtendInt32WithPythonList(self, message_module): + """Test extending repeated int32 fields with python lists.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_int32) + m.repeated_int32.extend([0]) + self.assertSequenceEqual([0], m.repeated_int32) + m.repeated_int32.extend([1, 2]) + self.assertSequenceEqual([0, 1, 2], m.repeated_int32) + m.repeated_int32.extend([3, 4]) + self.assertSequenceEqual([0, 1, 2, 3, 4], m.repeated_int32) + + def testExtendFloatWithPythonList(self, message_module): + """Test extending repeated float fields with python lists.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_float) + m.repeated_float.extend([0.0]) + self.assertSequenceEqual([0.0], m.repeated_float) + m.repeated_float.extend([1.0, 2.0]) + self.assertSequenceEqual([0.0, 1.0, 2.0], m.repeated_float) + m.repeated_float.extend([3.0, 4.0]) + self.assertSequenceEqual([0.0, 1.0, 2.0, 3.0, 4.0], m.repeated_float) + + def testExtendStringWithPythonList(self, message_module): + """Test extending repeated string fields with python lists.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_string) + m.repeated_string.extend(['']) + self.assertSequenceEqual([''], m.repeated_string) + m.repeated_string.extend(['11', '22']) + self.assertSequenceEqual(['', '11', '22'], m.repeated_string) + m.repeated_string.extend(['33', '44']) + self.assertSequenceEqual(['', '11', '22', '33', '44'], m.repeated_string) + + def testExtendStringWithString(self, message_module): + """Test extending repeated string fields with characters from a string.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_string) + m.repeated_string.extend('abc') + self.assertSequenceEqual(['a', 'b', 'c'], m.repeated_string) + + class TestIterable(object): + """This iterable object mimics the behavior of numpy.array. + + __nonzero__ fails for length > 1, and returns bool(item[0]) for length == 1. + + """ + + def __init__(self, values=None): + self._list = values or [] + + def __nonzero__(self): + size = len(self._list) + if size == 0: + return False + if size == 1: + return bool(self._list[0]) + raise ValueError('Truth value is ambiguous.') + + def __len__(self): + return len(self._list) + + def __iter__(self): + return self._list.__iter__() + + def testExtendInt32WithIterable(self, message_module): + """Test extending repeated int32 fields with iterable.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_int32) + m.repeated_int32.extend(MessageTest.TestIterable([])) + self.assertSequenceEqual([], m.repeated_int32) + m.repeated_int32.extend(MessageTest.TestIterable([0])) + self.assertSequenceEqual([0], m.repeated_int32) + m.repeated_int32.extend(MessageTest.TestIterable([1, 2])) + self.assertSequenceEqual([0, 1, 2], m.repeated_int32) + m.repeated_int32.extend(MessageTest.TestIterable([3, 4])) + self.assertSequenceEqual([0, 1, 2, 3, 4], m.repeated_int32) + + def testExtendFloatWithIterable(self, message_module): + """Test extending repeated float fields with iterable.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_float) + m.repeated_float.extend(MessageTest.TestIterable([])) + self.assertSequenceEqual([], m.repeated_float) + m.repeated_float.extend(MessageTest.TestIterable([0.0])) + self.assertSequenceEqual([0.0], m.repeated_float) + m.repeated_float.extend(MessageTest.TestIterable([1.0, 2.0])) + self.assertSequenceEqual([0.0, 1.0, 2.0], m.repeated_float) + m.repeated_float.extend(MessageTest.TestIterable([3.0, 4.0])) + self.assertSequenceEqual([0.0, 1.0, 2.0, 3.0, 4.0], m.repeated_float) + + def testExtendStringWithIterable(self, message_module): + """Test extending repeated string fields with iterable.""" + m = message_module.TestAllTypes() + self.assertSequenceEqual([], m.repeated_string) + m.repeated_string.extend(MessageTest.TestIterable([])) + self.assertSequenceEqual([], m.repeated_string) + m.repeated_string.extend(MessageTest.TestIterable([''])) + self.assertSequenceEqual([''], m.repeated_string) + m.repeated_string.extend(MessageTest.TestIterable(['1', '2'])) + self.assertSequenceEqual(['', '1', '2'], m.repeated_string) + m.repeated_string.extend(MessageTest.TestIterable(['3', '4'])) + self.assertSequenceEqual(['', '1', '2', '3', '4'], m.repeated_string) + + class TestIndex(object): + """This index object mimics the behavior of numpy.int64 and other types.""" + + def __init__(self, value=None): + self.value = value + + def __index__(self): + return self.value + + def testRepeatedIndexingWithIntIndex(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_int32.extend([1, 2, 3]) + self.assertEqual(1, msg.repeated_int32[MessageTest.TestIndex(0)]) + + def testRepeatedIndexingWithNegative1IntIndex(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_int32.extend([1, 2, 3]) + self.assertEqual(3, msg.repeated_int32[MessageTest.TestIndex(-1)]) + + def testRepeatedIndexingWithNegative1Int(self, message_module): + msg = message_module.TestAllTypes() + msg.repeated_int32.extend([1, 2, 3]) + self.assertEqual(3, msg.repeated_int32[-1]) + + def testPickleRepeatedScalarContainer(self, message_module): + # Pickle repeated scalar container is not supported. + m = message_module.TestAllTypes() + with self.assertRaises(pickle.PickleError) as _: + pickle.dumps(m.repeated_int32, pickle.HIGHEST_PROTOCOL) + + def testSortEmptyRepeatedCompositeContainer(self, message_module): + """Exercise a scenario that has led to segfaults in the past.""" + m = message_module.TestAllTypes() + m.repeated_nested_message.sort() + + def testHasFieldOnRepeatedField(self, message_module): + """Using HasField on a repeated field should raise an exception.""" + m = message_module.TestAllTypes() + with self.assertRaises(ValueError) as _: + m.HasField('repeated_int32') + + def testRepeatedScalarFieldPop(self, message_module): + m = message_module.TestAllTypes() + with self.assertRaises(IndexError) as _: + m.repeated_int32.pop() + m.repeated_int32.extend(range(5)) + self.assertEqual(4, m.repeated_int32.pop()) + self.assertEqual(0, m.repeated_int32.pop(0)) + self.assertEqual(2, m.repeated_int32.pop(1)) + self.assertEqual([1, 3], m.repeated_int32) + + def testRepeatedCompositeFieldPop(self, message_module): + m = message_module.TestAllTypes() + with self.assertRaises(IndexError) as _: + m.repeated_nested_message.pop() + with self.assertRaises(TypeError) as _: + m.repeated_nested_message.pop('0') + for i in range(5): + n = m.repeated_nested_message.add() + n.bb = i + self.assertEqual(4, m.repeated_nested_message.pop().bb) + self.assertEqual(0, m.repeated_nested_message.pop(0).bb) + self.assertEqual(2, m.repeated_nested_message.pop(1).bb) + self.assertEqual([1, 3], [n.bb for n in m.repeated_nested_message]) + + def testRepeatedCompareWithSelf(self, message_module): + m = message_module.TestAllTypes() + for i in range(5): + m.repeated_int32.insert(i, i) + n = m.repeated_nested_message.add() + n.bb = i + self.assertSequenceEqual(m.repeated_int32, m.repeated_int32) + self.assertEqual(m.repeated_nested_message, m.repeated_nested_message) + + def testReleasedNestedMessages(self, message_module): + """A case that lead to a segfault when a message detached from its parent + + container has itself a child container. + """ + m = message_module.NestedTestAllTypes() + m = m.repeated_child.add() + m = m.child + m = m.repeated_child.add() + self.assertEqual(m.payload.optional_int32, 0) + + def testSetRepeatedComposite(self, message_module): + m = message_module.TestAllTypes() + with self.assertRaises(AttributeError): + m.repeated_int32 = [] + m.repeated_int32.append(1) + with self.assertRaises(AttributeError): + m.repeated_int32 = [] + + def testReturningType(self, message_module): + m = message_module.TestAllTypes() + self.assertEqual(float, type(m.optional_float)) + self.assertEqual(float, type(m.optional_double)) + self.assertEqual(bool, type(m.optional_bool)) + m.optional_float = 1 + m.optional_double = 1 + m.optional_bool = 1 + m.repeated_float.append(1) + m.repeated_double.append(1) + m.repeated_bool.append(1) + m.ParseFromString(m.SerializeToString()) + self.assertEqual(float, type(m.optional_float)) + self.assertEqual(float, type(m.optional_double)) + self.assertEqual('1.0', str(m.optional_double)) + self.assertEqual(bool, type(m.optional_bool)) + self.assertEqual(float, type(m.repeated_float[0])) + self.assertEqual(float, type(m.repeated_double[0])) + self.assertEqual(bool, type(m.repeated_bool[0])) + self.assertEqual(True, m.repeated_bool[0]) + + +# Class to test proto2-only features (required, extensions, etc.) +@testing_refleaks.TestCase +class Proto2Test(unittest.TestCase): + + def testFieldPresence(self): + message = unittest_pb2.TestAllTypes() + + self.assertFalse(message.HasField('optional_int32')) + self.assertFalse(message.HasField('optional_bool')) + self.assertFalse(message.HasField('optional_nested_message')) + + with self.assertRaises(ValueError): + message.HasField('field_doesnt_exist') + + with self.assertRaises(ValueError): + message.HasField('repeated_int32') + with self.assertRaises(ValueError): + message.HasField('repeated_nested_message') + + self.assertEqual(0, message.optional_int32) + self.assertEqual(False, message.optional_bool) + self.assertEqual(0, message.optional_nested_message.bb) + + # Fields are set even when setting the values to default values. + message.optional_int32 = 0 + message.optional_bool = False + message.optional_nested_message.bb = 0 + self.assertTrue(message.HasField('optional_int32')) + self.assertTrue(message.HasField('optional_bool')) + self.assertTrue(message.HasField('optional_nested_message')) + + # Set the fields to non-default values. + message.optional_int32 = 5 + message.optional_bool = True + message.optional_nested_message.bb = 15 + + self.assertTrue(message.HasField(u'optional_int32')) + self.assertTrue(message.HasField('optional_bool')) + self.assertTrue(message.HasField('optional_nested_message')) + + # Clearing the fields unsets them and resets their value to default. + message.ClearField('optional_int32') + message.ClearField(u'optional_bool') + message.ClearField('optional_nested_message') + + self.assertFalse(message.HasField('optional_int32')) + self.assertFalse(message.HasField('optional_bool')) + self.assertFalse(message.HasField('optional_nested_message')) + self.assertEqual(0, message.optional_int32) + self.assertEqual(False, message.optional_bool) + self.assertEqual(0, message.optional_nested_message.bb) + + def testAssignInvalidEnum(self): + """Assigning an invalid enum number is not allowed in proto2.""" + m = unittest_pb2.TestAllTypes() + + # Proto2 can not assign unknown enum. + with self.assertRaises(ValueError) as _: + m.optional_nested_enum = 1234567 + self.assertRaises(ValueError, m.repeated_nested_enum.append, 1234567) + # Assignment is a different code path than append for the C++ impl. + m.repeated_nested_enum.append(2) + m.repeated_nested_enum[0] = 2 + with self.assertRaises(ValueError): + m.repeated_nested_enum[0] = 123456 + + # Unknown enum value can be parsed but is ignored. + m2 = unittest_proto3_arena_pb2.TestAllTypes() + m2.optional_nested_enum = 1234567 + m2.repeated_nested_enum.append(7654321) + serialized = m2.SerializeToString() + + m3 = unittest_pb2.TestAllTypes() + m3.ParseFromString(serialized) + self.assertFalse(m3.HasField('optional_nested_enum')) + # 1 is the default value for optional_nested_enum. + self.assertEqual(1, m3.optional_nested_enum) + self.assertEqual(0, len(m3.repeated_nested_enum)) + m2.Clear() + m2.ParseFromString(m3.SerializeToString()) + self.assertEqual(1234567, m2.optional_nested_enum) + self.assertEqual(7654321, m2.repeated_nested_enum[0]) + + def testUnknownEnumMap(self): + m = map_proto2_unittest_pb2.TestEnumMap() + m.known_map_field[123] = 0 + with self.assertRaises(ValueError): + m.unknown_map_field[1] = 123 + + def testExtensionsErrors(self): + msg = unittest_pb2.TestAllTypes() + self.assertRaises(AttributeError, getattr, msg, 'Extensions') + + def testMergeFromExtensions(self): + msg1 = more_extensions_pb2.TopLevelMessage() + msg2 = more_extensions_pb2.TopLevelMessage() + # Cpp extension will lazily create a sub message which is immutable. + self.assertEqual( + 0, + msg1.submessage.Extensions[more_extensions_pb2.optional_int_extension]) + self.assertFalse(msg1.HasField('submessage')) + msg2.submessage.Extensions[more_extensions_pb2.optional_int_extension] = 123 + # Make sure cmessage and extensions pointing to a mutable message + # after merge instead of the lazily created message. + msg1.MergeFrom(msg2) + self.assertEqual( + 123, + msg1.submessage.Extensions[more_extensions_pb2.optional_int_extension]) + + def testGoldenExtensions(self): + golden_data = test_util.GoldenFileData('golden_message') + golden_message = unittest_pb2.TestAllExtensions() + golden_message.ParseFromString(golden_data) + all_set = unittest_pb2.TestAllExtensions() + test_util.SetAllExtensions(all_set) + self.assertEqual(all_set, golden_message) + self.assertEqual(golden_data, golden_message.SerializeToString()) + golden_copy = copy.deepcopy(golden_message) + self.assertEqual(golden_data, golden_copy.SerializeToString()) + + def testGoldenPackedExtensions(self): + golden_data = test_util.GoldenFileData('golden_packed_fields_message') + golden_message = unittest_pb2.TestPackedExtensions() + golden_message.ParseFromString(golden_data) + all_set = unittest_pb2.TestPackedExtensions() + test_util.SetAllPackedExtensions(all_set) + self.assertEqual(all_set, golden_message) + self.assertEqual(golden_data, all_set.SerializeToString()) + golden_copy = copy.deepcopy(golden_message) + self.assertEqual(golden_data, golden_copy.SerializeToString()) + + def testPickleIncompleteProto(self): + golden_message = unittest_pb2.TestRequired(a=1) + pickled_message = pickle.dumps(golden_message) + + unpickled_message = pickle.loads(pickled_message) + self.assertEqual(unpickled_message, golden_message) + self.assertEqual(unpickled_message.a, 1) + # This is still an incomplete proto - so serializing should fail + self.assertRaises(message.EncodeError, unpickled_message.SerializeToString) + + # TODO(haberman): this isn't really a proto2-specific test except that this + # message has a required field in it. Should probably be factored out so + # that we can test the other parts with proto3. + def testParsingMerge(self): + """Check the merge behavior when a required or optional field appears + + multiple times in the input. + """ + messages = [ + unittest_pb2.TestAllTypes(), + unittest_pb2.TestAllTypes(), + unittest_pb2.TestAllTypes() + ] + messages[0].optional_int32 = 1 + messages[1].optional_int64 = 2 + messages[2].optional_int32 = 3 + messages[2].optional_string = 'hello' + + merged_message = unittest_pb2.TestAllTypes() + merged_message.optional_int32 = 3 + merged_message.optional_int64 = 2 + merged_message.optional_string = 'hello' + + generator = unittest_pb2.TestParsingMerge.RepeatedFieldsGenerator() + generator.field1.extend(messages) + generator.field2.extend(messages) + generator.field3.extend(messages) + generator.ext1.extend(messages) + generator.ext2.extend(messages) + generator.group1.add().field1.MergeFrom(messages[0]) + generator.group1.add().field1.MergeFrom(messages[1]) + generator.group1.add().field1.MergeFrom(messages[2]) + generator.group2.add().field1.MergeFrom(messages[0]) + generator.group2.add().field1.MergeFrom(messages[1]) + generator.group2.add().field1.MergeFrom(messages[2]) + + data = generator.SerializeToString() + parsing_merge = unittest_pb2.TestParsingMerge() + parsing_merge.ParseFromString(data) + + # Required and optional fields should be merged. + self.assertEqual(parsing_merge.required_all_types, merged_message) + self.assertEqual(parsing_merge.optional_all_types, merged_message) + self.assertEqual(parsing_merge.optionalgroup.optional_group_all_types, + merged_message) + self.assertEqual( + parsing_merge.Extensions[unittest_pb2.TestParsingMerge.optional_ext], + merged_message) + + # Repeated fields should not be merged. + self.assertEqual(len(parsing_merge.repeated_all_types), 3) + self.assertEqual(len(parsing_merge.repeatedgroup), 3) + self.assertEqual( + len(parsing_merge.Extensions[ + unittest_pb2.TestParsingMerge.repeated_ext]), 3) + + def testPythonicInit(self): + message = unittest_pb2.TestAllTypes( + optional_int32=100, + optional_fixed32=200, + optional_float=300.5, + optional_bytes=b'x', + optionalgroup={'a': 400}, + optional_nested_message={'bb': 500}, + optional_foreign_message={}, + optional_nested_enum='BAZ', + repeatedgroup=[{ + 'a': 600 + }, { + 'a': 700 + }], + repeated_nested_enum=['FOO', unittest_pb2.TestAllTypes.BAR], + default_int32=800, + oneof_string='y') + self.assertIsInstance(message, unittest_pb2.TestAllTypes) + self.assertEqual(100, message.optional_int32) + self.assertEqual(200, message.optional_fixed32) + self.assertEqual(300.5, message.optional_float) + self.assertEqual(b'x', message.optional_bytes) + self.assertEqual(400, message.optionalgroup.a) + self.assertIsInstance(message.optional_nested_message, + unittest_pb2.TestAllTypes.NestedMessage) + self.assertEqual(500, message.optional_nested_message.bb) + self.assertTrue(message.HasField('optional_foreign_message')) + self.assertEqual(message.optional_foreign_message, + unittest_pb2.ForeignMessage()) + self.assertEqual(unittest_pb2.TestAllTypes.BAZ, + message.optional_nested_enum) + self.assertEqual(2, len(message.repeatedgroup)) + self.assertEqual(600, message.repeatedgroup[0].a) + self.assertEqual(700, message.repeatedgroup[1].a) + self.assertEqual(2, len(message.repeated_nested_enum)) + self.assertEqual(unittest_pb2.TestAllTypes.FOO, + message.repeated_nested_enum[0]) + self.assertEqual(unittest_pb2.TestAllTypes.BAR, + message.repeated_nested_enum[1]) + self.assertEqual(800, message.default_int32) + self.assertEqual('y', message.oneof_string) + self.assertFalse(message.HasField('optional_int64')) + self.assertEqual(0, len(message.repeated_float)) + self.assertEqual(42, message.default_int64) + + message = unittest_pb2.TestAllTypes(optional_nested_enum=u'BAZ') + self.assertEqual(unittest_pb2.TestAllTypes.BAZ, + message.optional_nested_enum) + + with self.assertRaises(ValueError): + unittest_pb2.TestAllTypes( + optional_nested_message={'INVALID_NESTED_FIELD': 17}) + + with self.assertRaises(TypeError): + unittest_pb2.TestAllTypes( + optional_nested_message={'bb': 'INVALID_VALUE_TYPE'}) + + with self.assertRaises(ValueError): + unittest_pb2.TestAllTypes(optional_nested_enum='INVALID_LABEL') + + with self.assertRaises(ValueError): + unittest_pb2.TestAllTypes(repeated_nested_enum='FOO') + + def testPythonicInitWithDict(self): + # Both string/unicode field name keys should work. + kwargs = { + 'optional_int32': 100, + u'optional_fixed32': 200, + } + msg = unittest_pb2.TestAllTypes(**kwargs) + self.assertEqual(100, msg.optional_int32) + self.assertEqual(200, msg.optional_fixed32) + + + def test_documentation(self): + # Also used by the interactive help() function. + doc = pydoc.html.document(unittest_pb2.TestAllTypes, 'message') + self.assertIn('class TestAllTypes', doc) + self.assertIn('SerializePartialToString', doc) + self.assertIn('repeated_float', doc) + base = unittest_pb2.TestAllTypes.__bases__[0] + self.assertRaises(AttributeError, getattr, base, '_extensions_by_name') + + +# Class to test proto3-only features/behavior (updated field presence & enums) +@testing_refleaks.TestCase +class Proto3Test(unittest.TestCase): + + # Utility method for comparing equality with a map. + def assertMapIterEquals(self, map_iter, dict_value): + # Avoid mutating caller's copy. + dict_value = dict(dict_value) + + for k, v in map_iter: + self.assertEqual(v, dict_value[k]) + del dict_value[k] + + self.assertEqual({}, dict_value) + + def testFieldPresence(self): + message = unittest_proto3_arena_pb2.TestAllTypes() + + # We can't test presence of non-repeated, non-submessage fields. + with self.assertRaises(ValueError): + message.HasField('optional_int32') + with self.assertRaises(ValueError): + message.HasField('optional_float') + with self.assertRaises(ValueError): + message.HasField('optional_string') + with self.assertRaises(ValueError): + message.HasField('optional_bool') + + # But we can still test presence of submessage fields. + self.assertFalse(message.HasField('optional_nested_message')) + + # As with proto2, we can't test presence of fields that don't exist, or + # repeated fields. + with self.assertRaises(ValueError): + message.HasField('field_doesnt_exist') + + with self.assertRaises(ValueError): + message.HasField('repeated_int32') + with self.assertRaises(ValueError): + message.HasField('repeated_nested_message') + + # Fields should default to their type-specific default. + self.assertEqual(0, message.optional_int32) + self.assertEqual(0, message.optional_float) + self.assertEqual('', message.optional_string) + self.assertEqual(False, message.optional_bool) + self.assertEqual(0, message.optional_nested_message.bb) + + # Setting a submessage should still return proper presence information. + message.optional_nested_message.bb = 0 + self.assertTrue(message.HasField('optional_nested_message')) + + # Set the fields to non-default values. + message.optional_int32 = 5 + message.optional_float = 1.1 + message.optional_string = 'abc' + message.optional_bool = True + message.optional_nested_message.bb = 15 + + # Clearing the fields unsets them and resets their value to default. + message.ClearField('optional_int32') + message.ClearField('optional_float') + message.ClearField('optional_string') + message.ClearField('optional_bool') + message.ClearField('optional_nested_message') + + self.assertEqual(0, message.optional_int32) + self.assertEqual(0, message.optional_float) + self.assertEqual('', message.optional_string) + self.assertEqual(False, message.optional_bool) + self.assertEqual(0, message.optional_nested_message.bb) + + def testProto3ParserDropDefaultScalar(self): + message_proto2 = unittest_pb2.TestAllTypes() + message_proto2.optional_int32 = 0 + message_proto2.optional_string = '' + message_proto2.optional_bytes = b'' + self.assertEqual(len(message_proto2.ListFields()), 3) + + message_proto3 = unittest_proto3_arena_pb2.TestAllTypes() + message_proto3.ParseFromString(message_proto2.SerializeToString()) + self.assertEqual(len(message_proto3.ListFields()), 0) + + def testProto3Optional(self): + msg = test_proto3_optional_pb2.TestProto3Optional() + self.assertFalse(msg.HasField('optional_int32')) + self.assertFalse(msg.HasField('optional_float')) + self.assertFalse(msg.HasField('optional_string')) + self.assertFalse(msg.HasField('optional_nested_message')) + self.assertFalse(msg.optional_nested_message.HasField('bb')) + + # Set fields. + msg.optional_int32 = 1 + msg.optional_float = 1.0 + msg.optional_string = '123' + msg.optional_nested_message.bb = 1 + self.assertTrue(msg.HasField('optional_int32')) + self.assertTrue(msg.HasField('optional_float')) + self.assertTrue(msg.HasField('optional_string')) + self.assertTrue(msg.HasField('optional_nested_message')) + self.assertTrue(msg.optional_nested_message.HasField('bb')) + # Set to default value does not clear the fields + msg.optional_int32 = 0 + msg.optional_float = 0.0 + msg.optional_string = '' + msg.optional_nested_message.bb = 0 + self.assertTrue(msg.HasField('optional_int32')) + self.assertTrue(msg.HasField('optional_float')) + self.assertTrue(msg.HasField('optional_string')) + self.assertTrue(msg.HasField('optional_nested_message')) + self.assertTrue(msg.optional_nested_message.HasField('bb')) + + # Test serialize + msg2 = test_proto3_optional_pb2.TestProto3Optional() + msg2.ParseFromString(msg.SerializeToString()) + self.assertTrue(msg2.HasField('optional_int32')) + self.assertTrue(msg2.HasField('optional_float')) + self.assertTrue(msg2.HasField('optional_string')) + self.assertTrue(msg2.HasField('optional_nested_message')) + self.assertTrue(msg2.optional_nested_message.HasField('bb')) + + self.assertEqual(msg.WhichOneof('_optional_int32'), 'optional_int32') + + # Clear these fields. + msg.ClearField('optional_int32') + msg.ClearField('optional_float') + msg.ClearField('optional_string') + msg.ClearField('optional_nested_message') + self.assertFalse(msg.HasField('optional_int32')) + self.assertFalse(msg.HasField('optional_float')) + self.assertFalse(msg.HasField('optional_string')) + self.assertFalse(msg.HasField('optional_nested_message')) + self.assertFalse(msg.optional_nested_message.HasField('bb')) + + self.assertEqual(msg.WhichOneof('_optional_int32'), None) + + # Test has presence: + for field in test_proto3_optional_pb2.TestProto3Optional.DESCRIPTOR.fields: + self.assertTrue(field.has_presence) + for field in unittest_pb2.TestAllTypes.DESCRIPTOR.fields: + if field.label == descriptor.FieldDescriptor.LABEL_REPEATED: + self.assertFalse(field.has_presence) + else: + self.assertTrue(field.has_presence) + proto3_descriptor = unittest_proto3_arena_pb2.TestAllTypes.DESCRIPTOR + repeated_field = proto3_descriptor.fields_by_name['repeated_int32'] + self.assertFalse(repeated_field.has_presence) + singular_field = proto3_descriptor.fields_by_name['optional_int32'] + self.assertFalse(singular_field.has_presence) + optional_field = proto3_descriptor.fields_by_name['proto3_optional_int32'] + self.assertTrue(optional_field.has_presence) + message_field = proto3_descriptor.fields_by_name['optional_nested_message'] + self.assertTrue(message_field.has_presence) + oneof_field = proto3_descriptor.fields_by_name['oneof_uint32'] + self.assertTrue(oneof_field.has_presence) + + def testAssignUnknownEnum(self): + """Assigning an unknown enum value is allowed and preserves the value.""" + m = unittest_proto3_arena_pb2.TestAllTypes() + + # Proto3 can assign unknown enums. + m.optional_nested_enum = 1234567 + self.assertEqual(1234567, m.optional_nested_enum) + m.repeated_nested_enum.append(22334455) + self.assertEqual(22334455, m.repeated_nested_enum[0]) + # Assignment is a different code path than append for the C++ impl. + m.repeated_nested_enum[0] = 7654321 + self.assertEqual(7654321, m.repeated_nested_enum[0]) + serialized = m.SerializeToString() + + m2 = unittest_proto3_arena_pb2.TestAllTypes() + m2.ParseFromString(serialized) + self.assertEqual(1234567, m2.optional_nested_enum) + self.assertEqual(7654321, m2.repeated_nested_enum[0]) + + # Map isn't really a proto3-only feature. But there is no proto2 equivalent + # of google/protobuf/map_unittest.proto right now, so it's not easy to + # test both with the same test like we do for the other proto2/proto3 tests. + # (google/protobuf/map_proto2_unittest.proto is very different in the set + # of messages and fields it contains). + def testScalarMapDefaults(self): + msg = map_unittest_pb2.TestMap() + + # Scalars start out unset. + self.assertFalse(-123 in msg.map_int32_int32) + self.assertFalse(-2**33 in msg.map_int64_int64) + self.assertFalse(123 in msg.map_uint32_uint32) + self.assertFalse(2**33 in msg.map_uint64_uint64) + self.assertFalse(123 in msg.map_int32_double) + self.assertFalse(False in msg.map_bool_bool) + self.assertFalse('abc' in msg.map_string_string) + self.assertFalse(111 in msg.map_int32_bytes) + self.assertFalse(888 in msg.map_int32_enum) + + # Accessing an unset key returns the default. + self.assertEqual(0, msg.map_int32_int32[-123]) + self.assertEqual(0, msg.map_int64_int64[-2**33]) + self.assertEqual(0, msg.map_uint32_uint32[123]) + self.assertEqual(0, msg.map_uint64_uint64[2**33]) + self.assertEqual(0.0, msg.map_int32_double[123]) + self.assertTrue(isinstance(msg.map_int32_double[123], float)) + self.assertEqual(False, msg.map_bool_bool[False]) + self.assertTrue(isinstance(msg.map_bool_bool[False], bool)) + self.assertEqual('', msg.map_string_string['abc']) + self.assertEqual(b'', msg.map_int32_bytes[111]) + self.assertEqual(0, msg.map_int32_enum[888]) + + # It also sets the value in the map + self.assertTrue(-123 in msg.map_int32_int32) + self.assertTrue(-2**33 in msg.map_int64_int64) + self.assertTrue(123 in msg.map_uint32_uint32) + self.assertTrue(2**33 in msg.map_uint64_uint64) + self.assertTrue(123 in msg.map_int32_double) + self.assertTrue(False in msg.map_bool_bool) + self.assertTrue('abc' in msg.map_string_string) + self.assertTrue(111 in msg.map_int32_bytes) + self.assertTrue(888 in msg.map_int32_enum) + + self.assertIsInstance(msg.map_string_string['abc'], str) + + # Accessing an unset key still throws TypeError if the type of the key + # is incorrect. + with self.assertRaises(TypeError): + msg.map_string_string[123] + + with self.assertRaises(TypeError): + 123 in msg.map_string_string + + def testMapGet(self): + # Need to test that get() properly returns the default, even though the dict + # has defaultdict-like semantics. + msg = map_unittest_pb2.TestMap() + + self.assertIsNone(msg.map_int32_int32.get(5)) + self.assertEqual(10, msg.map_int32_int32.get(5, 10)) + self.assertEqual(10, msg.map_int32_int32.get(key=5, default=10)) + self.assertIsNone(msg.map_int32_int32.get(5)) + + msg.map_int32_int32[5] = 15 + self.assertEqual(15, msg.map_int32_int32.get(5)) + self.assertEqual(15, msg.map_int32_int32.get(5)) + with self.assertRaises(TypeError): + msg.map_int32_int32.get('') + + self.assertIsNone(msg.map_int32_foreign_message.get(5)) + self.assertEqual(10, msg.map_int32_foreign_message.get(5, 10)) + self.assertEqual(10, msg.map_int32_foreign_message.get(key=5, default=10)) + + submsg = msg.map_int32_foreign_message[5] + self.assertIs(submsg, msg.map_int32_foreign_message.get(5)) + with self.assertRaises(TypeError): + msg.map_int32_foreign_message.get('') + + def testScalarMap(self): + msg = map_unittest_pb2.TestMap() + + self.assertEqual(0, len(msg.map_int32_int32)) + self.assertFalse(5 in msg.map_int32_int32) + + msg.map_int32_int32[-123] = -456 + msg.map_int64_int64[-2**33] = -2**34 + msg.map_uint32_uint32[123] = 456 + msg.map_uint64_uint64[2**33] = 2**34 + msg.map_int32_float[2] = 1.2 + msg.map_int32_double[1] = 3.3 + msg.map_string_string['abc'] = '123' + msg.map_bool_bool[True] = True + msg.map_int32_enum[888] = 2 + # Unknown numeric enum is supported in proto3. + msg.map_int32_enum[123] = 456 + + self.assertEqual([], msg.FindInitializationErrors()) + + self.assertEqual(1, len(msg.map_string_string)) + + # Bad key. + with self.assertRaises(TypeError): + msg.map_string_string[123] = '123' + + # Verify that trying to assign a bad key doesn't actually add a member to + # the map. + self.assertEqual(1, len(msg.map_string_string)) + + # Bad value. + with self.assertRaises(TypeError): + msg.map_string_string['123'] = 123 + + serialized = msg.SerializeToString() + msg2 = map_unittest_pb2.TestMap() + msg2.ParseFromString(serialized) + + # Bad key. + with self.assertRaises(TypeError): + msg2.map_string_string[123] = '123' + + # Bad value. + with self.assertRaises(TypeError): + msg2.map_string_string['123'] = 123 + + self.assertEqual(-456, msg2.map_int32_int32[-123]) + self.assertEqual(-2**34, msg2.map_int64_int64[-2**33]) + self.assertEqual(456, msg2.map_uint32_uint32[123]) + self.assertEqual(2**34, msg2.map_uint64_uint64[2**33]) + self.assertAlmostEqual(1.2, msg.map_int32_float[2]) + self.assertEqual(3.3, msg.map_int32_double[1]) + self.assertEqual('123', msg2.map_string_string['abc']) + self.assertEqual(True, msg2.map_bool_bool[True]) + self.assertEqual(2, msg2.map_int32_enum[888]) + self.assertEqual(456, msg2.map_int32_enum[123]) + self.assertEqual('{-123: -456}', str(msg2.map_int32_int32)) + + def testMapEntryAlwaysSerialized(self): + msg = map_unittest_pb2.TestMap() + msg.map_int32_int32[0] = 0 + msg.map_string_string[''] = '' + self.assertEqual(msg.ByteSize(), 12) + self.assertEqual(b'\n\x04\x08\x00\x10\x00r\x04\n\x00\x12\x00', + msg.SerializeToString()) + + def testStringUnicodeConversionInMap(self): + msg = map_unittest_pb2.TestMap() + + unicode_obj = u'\u1234' + bytes_obj = unicode_obj.encode('utf8') + + msg.map_string_string[bytes_obj] = bytes_obj + + (key, value) = list(msg.map_string_string.items())[0] + + self.assertEqual(key, unicode_obj) + self.assertEqual(value, unicode_obj) + + self.assertIsInstance(key, str) + self.assertIsInstance(value, str) + + def testMessageMap(self): + msg = map_unittest_pb2.TestMap() + + self.assertEqual(0, len(msg.map_int32_foreign_message)) + self.assertFalse(5 in msg.map_int32_foreign_message) + + msg.map_int32_foreign_message[123] + # get_or_create() is an alias for getitem. + msg.map_int32_foreign_message.get_or_create(-456) + + self.assertEqual(2, len(msg.map_int32_foreign_message)) + self.assertIn(123, msg.map_int32_foreign_message) + self.assertIn(-456, msg.map_int32_foreign_message) + self.assertEqual(2, len(msg.map_int32_foreign_message)) + + # Bad key. + with self.assertRaises(TypeError): + msg.map_int32_foreign_message['123'] + + # Can't assign directly to submessage. + with self.assertRaises(ValueError): + msg.map_int32_foreign_message[999] = msg.map_int32_foreign_message[123] + + # Verify that trying to assign a bad key doesn't actually add a member to + # the map. + self.assertEqual(2, len(msg.map_int32_foreign_message)) + + serialized = msg.SerializeToString() + msg2 = map_unittest_pb2.TestMap() + msg2.ParseFromString(serialized) + + self.assertEqual(2, len(msg2.map_int32_foreign_message)) + self.assertIn(123, msg2.map_int32_foreign_message) + self.assertIn(-456, msg2.map_int32_foreign_message) + self.assertEqual(2, len(msg2.map_int32_foreign_message)) + msg2.map_int32_foreign_message[123].c = 1 + # TODO(jieluo): Fix text format for message map. + self.assertIn( + str(msg2.map_int32_foreign_message), + ('{-456: , 123: c: 1\n}', '{123: c: 1\n, -456: }')) + + def testNestedMessageMapItemDelete(self): + msg = map_unittest_pb2.TestMap() + msg.map_int32_all_types[1].optional_nested_message.bb = 1 + del msg.map_int32_all_types[1] + msg.map_int32_all_types[2].optional_nested_message.bb = 2 + self.assertEqual(1, len(msg.map_int32_all_types)) + msg.map_int32_all_types[1].optional_nested_message.bb = 1 + self.assertEqual(2, len(msg.map_int32_all_types)) + + serialized = msg.SerializeToString() + msg2 = map_unittest_pb2.TestMap() + msg2.ParseFromString(serialized) + keys = [1, 2] + # The loop triggers PyErr_Occurred() in c extension. + for key in keys: + del msg2.map_int32_all_types[key] + + def testMapByteSize(self): + msg = map_unittest_pb2.TestMap() + msg.map_int32_int32[1] = 1 + size = msg.ByteSize() + msg.map_int32_int32[1] = 128 + self.assertEqual(msg.ByteSize(), size + 1) + + msg.map_int32_foreign_message[19].c = 1 + size = msg.ByteSize() + msg.map_int32_foreign_message[19].c = 128 + self.assertEqual(msg.ByteSize(), size + 1) + + def testMergeFrom(self): + msg = map_unittest_pb2.TestMap() + msg.map_int32_int32[12] = 34 + msg.map_int32_int32[56] = 78 + msg.map_int64_int64[22] = 33 + msg.map_int32_foreign_message[111].c = 5 + msg.map_int32_foreign_message[222].c = 10 + + msg2 = map_unittest_pb2.TestMap() + msg2.map_int32_int32[12] = 55 + msg2.map_int64_int64[88] = 99 + msg2.map_int32_foreign_message[222].c = 15 + msg2.map_int32_foreign_message[222].d = 20 + old_map_value = msg2.map_int32_foreign_message[222] + + msg2.MergeFrom(msg) + # Compare with expected message instead of call + # msg2.map_int32_foreign_message[222] to make sure MergeFrom does not + # sync with repeated field and there is no duplicated keys. + expected_msg = map_unittest_pb2.TestMap() + expected_msg.CopyFrom(msg) + expected_msg.map_int64_int64[88] = 99 + self.assertEqual(msg2, expected_msg) + + self.assertEqual(34, msg2.map_int32_int32[12]) + self.assertEqual(78, msg2.map_int32_int32[56]) + self.assertEqual(33, msg2.map_int64_int64[22]) + self.assertEqual(99, msg2.map_int64_int64[88]) + self.assertEqual(5, msg2.map_int32_foreign_message[111].c) + self.assertEqual(10, msg2.map_int32_foreign_message[222].c) + self.assertFalse(msg2.map_int32_foreign_message[222].HasField('d')) + if api_implementation.Type() != 'cpp': + # During the call to MergeFrom(), the C++ implementation will have + # deallocated the underlying message, but this is very difficult to detect + # properly. The line below is likely to cause a segmentation fault. + # With the Python implementation, old_map_value is just 'detached' from + # the main message. Using it will not crash of course, but since it still + # have a reference to the parent message I'm sure we can find interesting + # ways to cause inconsistencies. + self.assertEqual(15, old_map_value.c) + + # Verify that there is only one entry per key, even though the MergeFrom + # may have internally created multiple entries for a single key in the + # list representation. + as_dict = {} + for key in msg2.map_int32_foreign_message: + self.assertFalse(key in as_dict) + as_dict[key] = msg2.map_int32_foreign_message[key].c + + self.assertEqual({111: 5, 222: 10}, as_dict) + + # Special case: test that delete of item really removes the item, even if + # there might have physically been duplicate keys due to the previous merge. + # This is only a special case for the C++ implementation which stores the + # map as an array. + del msg2.map_int32_int32[12] + self.assertFalse(12 in msg2.map_int32_int32) + + del msg2.map_int32_foreign_message[222] + self.assertFalse(222 in msg2.map_int32_foreign_message) + with self.assertRaises(TypeError): + del msg2.map_int32_foreign_message[''] + + def testMapMergeFrom(self): + msg = map_unittest_pb2.TestMap() + msg.map_int32_int32[12] = 34 + msg.map_int32_int32[56] = 78 + msg.map_int64_int64[22] = 33 + msg.map_int32_foreign_message[111].c = 5 + msg.map_int32_foreign_message[222].c = 10 + + msg2 = map_unittest_pb2.TestMap() + msg2.map_int32_int32[12] = 55 + msg2.map_int64_int64[88] = 99 + msg2.map_int32_foreign_message[222].c = 15 + msg2.map_int32_foreign_message[222].d = 20 + + msg2.map_int32_int32.MergeFrom(msg.map_int32_int32) + self.assertEqual(34, msg2.map_int32_int32[12]) + self.assertEqual(78, msg2.map_int32_int32[56]) + + msg2.map_int64_int64.MergeFrom(msg.map_int64_int64) + self.assertEqual(33, msg2.map_int64_int64[22]) + self.assertEqual(99, msg2.map_int64_int64[88]) + + msg2.map_int32_foreign_message.MergeFrom(msg.map_int32_foreign_message) + # Compare with expected message instead of call + # msg.map_int32_foreign_message[222] to make sure MergeFrom does not + # sync with repeated field and no duplicated keys. + expected_msg = map_unittest_pb2.TestMap() + expected_msg.CopyFrom(msg) + expected_msg.map_int64_int64[88] = 99 + self.assertEqual(msg2, expected_msg) + + # Test when cpp extension cache a map. + m1 = map_unittest_pb2.TestMap() + m2 = map_unittest_pb2.TestMap() + self.assertEqual(m1.map_int32_foreign_message, m1.map_int32_foreign_message) + m2.map_int32_foreign_message[123].c = 10 + m1.MergeFrom(m2) + self.assertEqual(10, m2.map_int32_foreign_message[123].c) + + # Test merge maps within different message types. + m1 = map_unittest_pb2.TestMap() + m2 = map_unittest_pb2.TestMessageMap() + m2.map_int32_message[123].optional_int32 = 10 + m1.map_int32_all_types.MergeFrom(m2.map_int32_message) + self.assertEqual(10, m1.map_int32_all_types[123].optional_int32) + + # Test overwrite message value map + msg = map_unittest_pb2.TestMap() + msg.map_int32_foreign_message[222].c = 123 + msg2 = map_unittest_pb2.TestMap() + msg2.map_int32_foreign_message[222].d = 20 + msg.MergeFromString(msg2.SerializeToString()) + self.assertEqual(msg.map_int32_foreign_message[222].d, 20) + self.assertNotEqual(msg.map_int32_foreign_message[222].c, 123) + + # Merge a dict to map field is not accepted + with self.assertRaises(AttributeError): + m1.map_int32_all_types.MergeFrom( + {1: unittest_proto3_arena_pb2.TestAllTypes()}) + + def testMergeFromBadType(self): + msg = map_unittest_pb2.TestMap() + with self.assertRaisesRegex( + TypeError, + r'Parameter to MergeFrom\(\) must be instance of same class: expected ' + r'.+TestMap got int\.'): + msg.MergeFrom(1) + + def testCopyFromBadType(self): + msg = map_unittest_pb2.TestMap() + with self.assertRaisesRegex( + TypeError, + r'Parameter to [A-Za-z]*From\(\) must be instance of same class: ' + r'expected .+TestMap got int\.'): + msg.CopyFrom(1) + + def testIntegerMapWithLongs(self): + msg = map_unittest_pb2.TestMap() + msg.map_int32_int32[int(-123)] = int(-456) + msg.map_int64_int64[int(-2**33)] = int(-2**34) + msg.map_uint32_uint32[int(123)] = int(456) + msg.map_uint64_uint64[int(2**33)] = int(2**34) + + serialized = msg.SerializeToString() + msg2 = map_unittest_pb2.TestMap() + msg2.ParseFromString(serialized) + + self.assertEqual(-456, msg2.map_int32_int32[-123]) + self.assertEqual(-2**34, msg2.map_int64_int64[-2**33]) + self.assertEqual(456, msg2.map_uint32_uint32[123]) + self.assertEqual(2**34, msg2.map_uint64_uint64[2**33]) + + def testMapAssignmentCausesPresence(self): + msg = map_unittest_pb2.TestMapSubmessage() + msg.test_map.map_int32_int32[123] = 456 + + serialized = msg.SerializeToString() + msg2 = map_unittest_pb2.TestMapSubmessage() + msg2.ParseFromString(serialized) + + self.assertEqual(msg, msg2) + + # Now test that various mutations of the map properly invalidate the + # cached size of the submessage. + msg.test_map.map_int32_int32[888] = 999 + serialized = msg.SerializeToString() + msg2.ParseFromString(serialized) + self.assertEqual(msg, msg2) + + msg.test_map.map_int32_int32.clear() + serialized = msg.SerializeToString() + msg2.ParseFromString(serialized) + self.assertEqual(msg, msg2) + + def testMapAssignmentCausesPresenceForSubmessages(self): + msg = map_unittest_pb2.TestMapSubmessage() + msg.test_map.map_int32_foreign_message[123].c = 5 + + serialized = msg.SerializeToString() + msg2 = map_unittest_pb2.TestMapSubmessage() + msg2.ParseFromString(serialized) + + self.assertEqual(msg, msg2) + + # Now test that various mutations of the map properly invalidate the + # cached size of the submessage. + msg.test_map.map_int32_foreign_message[888].c = 7 + serialized = msg.SerializeToString() + msg2.ParseFromString(serialized) + self.assertEqual(msg, msg2) + + msg.test_map.map_int32_foreign_message[888].MergeFrom( + msg.test_map.map_int32_foreign_message[123]) + serialized = msg.SerializeToString() + msg2.ParseFromString(serialized) + self.assertEqual(msg, msg2) + + msg.test_map.map_int32_foreign_message.clear() + serialized = msg.SerializeToString() + msg2.ParseFromString(serialized) + self.assertEqual(msg, msg2) + + def testModifyMapWhileIterating(self): + msg = map_unittest_pb2.TestMap() + + string_string_iter = iter(msg.map_string_string) + int32_foreign_iter = iter(msg.map_int32_foreign_message) + + msg.map_string_string['abc'] = '123' + msg.map_int32_foreign_message[5].c = 5 + + with self.assertRaises(RuntimeError): + for key in string_string_iter: + pass + + with self.assertRaises(RuntimeError): + for key in int32_foreign_iter: + pass + + def testModifyMapEntryWhileIterating(self): + msg = map_unittest_pb2.TestMap() + + msg.map_string_string['abc'] = '123' + msg.map_string_string['def'] = '456' + msg.map_string_string['ghi'] = '789' + + msg.map_int32_foreign_message[5].c = 5 + msg.map_int32_foreign_message[6].c = 6 + msg.map_int32_foreign_message[7].c = 7 + + string_string_keys = list(msg.map_string_string.keys()) + int32_foreign_keys = list(msg.map_int32_foreign_message.keys()) + + keys = [] + for key in msg.map_string_string: + keys.append(key) + msg.map_string_string[key] = '000' + self.assertEqual(keys, string_string_keys) + self.assertEqual(keys, list(msg.map_string_string.keys())) + + keys = [] + for key in msg.map_int32_foreign_message: + keys.append(key) + msg.map_int32_foreign_message[key].c = 0 + self.assertEqual(keys, int32_foreign_keys) + self.assertEqual(keys, list(msg.map_int32_foreign_message.keys())) + + def testSubmessageMap(self): + msg = map_unittest_pb2.TestMap() + + submsg = msg.map_int32_foreign_message[111] + self.assertIs(submsg, msg.map_int32_foreign_message[111]) + self.assertIsInstance(submsg, unittest_pb2.ForeignMessage) + + submsg.c = 5 + + serialized = msg.SerializeToString() + msg2 = map_unittest_pb2.TestMap() + msg2.ParseFromString(serialized) + + self.assertEqual(5, msg2.map_int32_foreign_message[111].c) + + # Doesn't allow direct submessage assignment. + with self.assertRaises(ValueError): + msg.map_int32_foreign_message[88] = unittest_pb2.ForeignMessage() + + def testMapIteration(self): + msg = map_unittest_pb2.TestMap() + + for k, v in msg.map_int32_int32.items(): + # Should not be reached. + self.assertTrue(False) + + msg.map_int32_int32[2] = 4 + msg.map_int32_int32[3] = 6 + msg.map_int32_int32[4] = 8 + self.assertEqual(3, len(msg.map_int32_int32)) + + matching_dict = {2: 4, 3: 6, 4: 8} + self.assertMapIterEquals(msg.map_int32_int32.items(), matching_dict) + + def testMapItems(self): + # Map items used to have strange behaviors when use c extension. Because + # [] may reorder the map and invalidate any existing iterators. + # TODO(jieluo): Check if [] reordering the map is a bug or intended + # behavior. + msg = map_unittest_pb2.TestMap() + msg.map_string_string['local_init_op'] = '' + msg.map_string_string['trainable_variables'] = '' + msg.map_string_string['variables'] = '' + msg.map_string_string['init_op'] = '' + msg.map_string_string['summaries'] = '' + items1 = msg.map_string_string.items() + items2 = msg.map_string_string.items() + self.assertEqual(items1, items2) + + def testMapDeterministicSerialization(self): + golden_data = (b'r\x0c\n\x07init_op\x12\x01d' + b'r\n\n\x05item1\x12\x01e' + b'r\n\n\x05item2\x12\x01f' + b'r\n\n\x05item3\x12\x01g' + b'r\x0b\n\x05item4\x12\x02QQ' + b'r\x12\n\rlocal_init_op\x12\x01a' + b'r\x0e\n\tsummaries\x12\x01e' + b'r\x18\n\x13trainable_variables\x12\x01b' + b'r\x0e\n\tvariables\x12\x01c') + msg = map_unittest_pb2.TestMap() + msg.map_string_string['local_init_op'] = 'a' + msg.map_string_string['trainable_variables'] = 'b' + msg.map_string_string['variables'] = 'c' + msg.map_string_string['init_op'] = 'd' + msg.map_string_string['summaries'] = 'e' + msg.map_string_string['item1'] = 'e' + msg.map_string_string['item2'] = 'f' + msg.map_string_string['item3'] = 'g' + msg.map_string_string['item4'] = 'QQ' + + # If deterministic serialization is not working correctly, this will be + # "flaky" depending on the exact python dict hash seed. + # + # Fortunately, there are enough items in this map that it is extremely + # unlikely to ever hit the "right" in-order combination, so the test + # itself should fail reliably. + self.assertEqual(golden_data, msg.SerializeToString(deterministic=True)) + + def testMapIterationClearMessage(self): + # Iterator needs to work even if message and map are deleted. + msg = map_unittest_pb2.TestMap() + + msg.map_int32_int32[2] = 4 + msg.map_int32_int32[3] = 6 + msg.map_int32_int32[4] = 8 + + it = msg.map_int32_int32.items() + del msg + + matching_dict = {2: 4, 3: 6, 4: 8} + self.assertMapIterEquals(it, matching_dict) + + def testMapConstruction(self): + msg = map_unittest_pb2.TestMap(map_int32_int32={1: 2, 3: 4}) + self.assertEqual(2, msg.map_int32_int32[1]) + self.assertEqual(4, msg.map_int32_int32[3]) + + msg = map_unittest_pb2.TestMap( + map_int32_foreign_message={3: unittest_pb2.ForeignMessage(c=5)}) + self.assertEqual(5, msg.map_int32_foreign_message[3].c) + + def testMapScalarFieldConstruction(self): + msg1 = map_unittest_pb2.TestMap() + msg1.map_int32_int32[1] = 42 + msg2 = map_unittest_pb2.TestMap(map_int32_int32=msg1.map_int32_int32) + self.assertEqual(42, msg2.map_int32_int32[1]) + + def testMapMessageFieldConstruction(self): + msg1 = map_unittest_pb2.TestMap() + msg1.map_string_foreign_message['test'].c = 42 + msg2 = map_unittest_pb2.TestMap( + map_string_foreign_message=msg1.map_string_foreign_message) + self.assertEqual(42, msg2.map_string_foreign_message['test'].c) + + def testMapFieldRaisesCorrectError(self): + # Should raise a TypeError when given a non-iterable. + with self.assertRaises(TypeError): + map_unittest_pb2.TestMap(map_string_foreign_message=1) + + def testMapValidAfterFieldCleared(self): + # Map needs to work even if field is cleared. + # For the C++ implementation this tests the correctness of + # MapContainer::Release() + msg = map_unittest_pb2.TestMap() + int32_map = msg.map_int32_int32 + + int32_map[2] = 4 + int32_map[3] = 6 + int32_map[4] = 8 + + msg.ClearField('map_int32_int32') + self.assertEqual(b'', msg.SerializeToString()) + matching_dict = {2: 4, 3: 6, 4: 8} + self.assertMapIterEquals(int32_map.items(), matching_dict) + + def testMessageMapValidAfterFieldCleared(self): + # Map needs to work even if field is cleared. + # For the C++ implementation this tests the correctness of + # MapContainer::Release() + msg = map_unittest_pb2.TestMap() + int32_foreign_message = msg.map_int32_foreign_message + + int32_foreign_message[2].c = 5 + + msg.ClearField('map_int32_foreign_message') + self.assertEqual(b'', msg.SerializeToString()) + self.assertTrue(2 in int32_foreign_message.keys()) + + def testMessageMapItemValidAfterTopMessageCleared(self): + # Message map item needs to work even if it is cleared. + # For the C++ implementation this tests the correctness of + # MapContainer::Release() + msg = map_unittest_pb2.TestMap() + msg.map_int32_all_types[2].optional_string = 'bar' + + if api_implementation.Type() == 'cpp': + # Need to keep the map reference because of b/27942626. + # TODO(jieluo): Remove it. + unused_map = msg.map_int32_all_types # pylint: disable=unused-variable + msg_value = msg.map_int32_all_types[2] + msg.Clear() + + # Reset to trigger sync between repeated field and map in c++. + msg.map_int32_all_types[3].optional_string = 'foo' + self.assertEqual(msg_value.optional_string, 'bar') + + def testMapIterInvalidatedByClearField(self): + # Map iterator is invalidated when field is cleared. + # But this case does need to not crash the interpreter. + # For the C++ implementation this tests the correctness of + # ScalarMapContainer::Release() + msg = map_unittest_pb2.TestMap() + + it = iter(msg.map_int32_int32) + + msg.ClearField('map_int32_int32') + with self.assertRaises(RuntimeError): + for _ in it: + pass + + it = iter(msg.map_int32_foreign_message) + msg.ClearField('map_int32_foreign_message') + with self.assertRaises(RuntimeError): + for _ in it: + pass + + def testMapDelete(self): + msg = map_unittest_pb2.TestMap() + + self.assertEqual(0, len(msg.map_int32_int32)) + + msg.map_int32_int32[4] = 6 + self.assertEqual(1, len(msg.map_int32_int32)) + + with self.assertRaises(KeyError): + del msg.map_int32_int32[88] + + del msg.map_int32_int32[4] + self.assertEqual(0, len(msg.map_int32_int32)) + + with self.assertRaises(KeyError): + del msg.map_int32_all_types[32] + + def testMapsAreMapping(self): + msg = map_unittest_pb2.TestMap() + self.assertIsInstance(msg.map_int32_int32, collections.abc.Mapping) + self.assertIsInstance(msg.map_int32_int32, collections.abc.MutableMapping) + self.assertIsInstance(msg.map_int32_foreign_message, + collections.abc.Mapping) + self.assertIsInstance(msg.map_int32_foreign_message, + collections.abc.MutableMapping) + + def testMapsCompare(self): + msg = map_unittest_pb2.TestMap() + msg.map_int32_int32[-123] = -456 + self.assertEqual(msg.map_int32_int32, msg.map_int32_int32) + self.assertEqual(msg.map_int32_foreign_message, + msg.map_int32_foreign_message) + self.assertNotEqual(msg.map_int32_int32, 0) + + def testMapFindInitializationErrorsSmokeTest(self): + msg = map_unittest_pb2.TestMap() + msg.map_string_string['abc'] = '123' + msg.map_int32_int32[35] = 64 + msg.map_string_foreign_message['foo'].c = 5 + self.assertEqual(0, len(msg.FindInitializationErrors())) + + @unittest.skipIf(sys.maxunicode == UCS2_MAXUNICODE, 'Skip for ucs2') + def testStrictUtf8Check(self): + # Test u'\ud801' is rejected at parser in both python2 and python3. + serialized = (b'r\x03\xed\xa0\x81') + msg = unittest_proto3_arena_pb2.TestAllTypes() + with self.assertRaises(Exception) as context: + msg.MergeFromString(serialized) + if api_implementation.Type() == 'python': + self.assertIn('optional_string', str(context.exception)) + else: + self.assertIn('Error parsing message', str(context.exception)) + + # Test optional_string=u'😍' is accepted. + serialized = unittest_proto3_arena_pb2.TestAllTypes( + optional_string=u'😍').SerializeToString() + msg2 = unittest_proto3_arena_pb2.TestAllTypes() + msg2.MergeFromString(serialized) + self.assertEqual(msg2.optional_string, u'😍') + + msg = unittest_proto3_arena_pb2.TestAllTypes(optional_string=u'\ud001') + self.assertEqual(msg.optional_string, u'\ud001') + + def testSurrogatesInPython3(self): + # Surrogates are rejected at setters in Python3. + with self.assertRaises(ValueError): + unittest_proto3_arena_pb2.TestAllTypes(optional_string=u'\ud801\udc01') + with self.assertRaises(ValueError): + unittest_proto3_arena_pb2.TestAllTypes(optional_string=b'\xed\xa0\x81') + with self.assertRaises(ValueError): + unittest_proto3_arena_pb2.TestAllTypes(optional_string=u'\ud801') + with self.assertRaises(ValueError): + unittest_proto3_arena_pb2.TestAllTypes(optional_string=u'\ud801\ud801') + + + + +@testing_refleaks.TestCase +class ValidTypeNamesTest(unittest.TestCase): + + def assertImportFromName(self, msg, base_name): + # Parse to extra 'some.name' as a string. + tp_name = str(type(msg)).split("'")[1] + valid_names = ('Repeated%sContainer' % base_name, + 'Repeated%sFieldContainer' % base_name) + self.assertTrue( + any(tp_name.endswith(v) for v in valid_names), + '%r does end with any of %r' % (tp_name, valid_names)) + + parts = tp_name.split('.') + class_name = parts[-1] + module_name = '.'.join(parts[:-1]) + __import__(module_name, fromlist=[class_name]) + + def testTypeNamesCanBeImported(self): + # If import doesn't work, pickling won't work either. + pb = unittest_pb2.TestAllTypes() + self.assertImportFromName(pb.repeated_int32, 'Scalar') + self.assertImportFromName(pb.repeated_nested_message, 'Composite') + + +@testing_refleaks.TestCase +class PackedFieldTest(unittest.TestCase): + + def setMessage(self, message): + message.repeated_int32.append(1) + message.repeated_int64.append(1) + message.repeated_uint32.append(1) + message.repeated_uint64.append(1) + message.repeated_sint32.append(1) + message.repeated_sint64.append(1) + message.repeated_fixed32.append(1) + message.repeated_fixed64.append(1) + message.repeated_sfixed32.append(1) + message.repeated_sfixed64.append(1) + message.repeated_float.append(1.0) + message.repeated_double.append(1.0) + message.repeated_bool.append(True) + message.repeated_nested_enum.append(1) + + def testPackedFields(self): + message = packed_field_test_pb2.TestPackedTypes() + self.setMessage(message) + golden_data = (b'\x0A\x01\x01' + b'\x12\x01\x01' + b'\x1A\x01\x01' + b'\x22\x01\x01' + b'\x2A\x01\x02' + b'\x32\x01\x02' + b'\x3A\x04\x01\x00\x00\x00' + b'\x42\x08\x01\x00\x00\x00\x00\x00\x00\x00' + b'\x4A\x04\x01\x00\x00\x00' + b'\x52\x08\x01\x00\x00\x00\x00\x00\x00\x00' + b'\x5A\x04\x00\x00\x80\x3f' + b'\x62\x08\x00\x00\x00\x00\x00\x00\xf0\x3f' + b'\x6A\x01\x01' + b'\x72\x01\x01') + self.assertEqual(golden_data, message.SerializeToString()) + + def testUnpackedFields(self): + message = packed_field_test_pb2.TestUnpackedTypes() + self.setMessage(message) + golden_data = (b'\x08\x01' + b'\x10\x01' + b'\x18\x01' + b'\x20\x01' + b'\x28\x02' + b'\x30\x02' + b'\x3D\x01\x00\x00\x00' + b'\x41\x01\x00\x00\x00\x00\x00\x00\x00' + b'\x4D\x01\x00\x00\x00' + b'\x51\x01\x00\x00\x00\x00\x00\x00\x00' + b'\x5D\x00\x00\x80\x3f' + b'\x61\x00\x00\x00\x00\x00\x00\xf0\x3f' + b'\x68\x01' + b'\x70\x01') + self.assertEqual(golden_data, message.SerializeToString()) + + +@unittest.skipIf(api_implementation.Type() == 'python', + 'explicit tests of the C++ implementation') +@testing_refleaks.TestCase +class OversizeProtosTest(unittest.TestCase): + + def GenerateNestedProto(self, n): + msg = unittest_pb2.TestRecursiveMessage() + sub = msg + for _ in range(n): + sub = sub.a + sub.i = 0 + return msg.SerializeToString() + + def testSucceedOkSizedProto(self): + msg = unittest_pb2.TestRecursiveMessage() + msg.ParseFromString(self.GenerateNestedProto(100)) + + def testAssertOversizeProto(self): + api_implementation._c_module.SetAllowOversizeProtos(False) + msg = unittest_pb2.TestRecursiveMessage() + with self.assertRaises(message.DecodeError) as context: + msg.ParseFromString(self.GenerateNestedProto(101)) + self.assertIn('Error parsing message', str(context.exception)) + + def testSucceedOversizeProto(self): + api_implementation._c_module.SetAllowOversizeProtos(True) + msg = unittest_pb2.TestRecursiveMessage() + msg.ParseFromString(self.GenerateNestedProto(101)) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/proto_builder_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/proto_builder_test.py new file mode 100644 index 0000000..48077b0 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/proto_builder_test.py @@ -0,0 +1,106 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests for google.protobuf.proto_builder.""" + +import collections +import unittest + +from google.protobuf import descriptor_pb2 # pylint: disable=g-import-not-at-top +from google.protobuf import descriptor +from google.protobuf import descriptor_pool +from google.protobuf import proto_builder +from google.protobuf import text_format + + +class ProtoBuilderTest(unittest.TestCase): + + def setUp(self): + self.ordered_fields = collections.OrderedDict([ + ('foo', descriptor_pb2.FieldDescriptorProto.TYPE_INT64), + ('bar', descriptor_pb2.FieldDescriptorProto.TYPE_STRING), + ]) + self._fields = dict(self.ordered_fields) + + def testMakeSimpleProtoClass(self): + """Test that we can create a proto class.""" + proto_cls = proto_builder.MakeSimpleProtoClass( + self._fields, + full_name='net.proto2.python.public.proto_builder_test.Test') + proto = proto_cls() + proto.foo = 12345 + proto.bar = 'asdf' + self.assertMultiLineEqual( + 'bar: "asdf"\nfoo: 12345\n', text_format.MessageToString(proto)) + + def testOrderedFields(self): + """Test that the field order is maintained when given an OrderedDict.""" + proto_cls = proto_builder.MakeSimpleProtoClass( + self.ordered_fields, + full_name='net.proto2.python.public.proto_builder_test.OrderedTest') + proto = proto_cls() + proto.foo = 12345 + proto.bar = 'asdf' + self.assertMultiLineEqual( + 'foo: 12345\nbar: "asdf"\n', text_format.MessageToString(proto)) + + def testMakeSameProtoClassTwice(self): + """Test that the DescriptorPool is used.""" + pool = descriptor_pool.DescriptorPool() + proto_cls1 = proto_builder.MakeSimpleProtoClass( + self._fields, + full_name='net.proto2.python.public.proto_builder_test.Test', + pool=pool) + proto_cls2 = proto_builder.MakeSimpleProtoClass( + self._fields, + full_name='net.proto2.python.public.proto_builder_test.Test', + pool=pool) + self.assertIs(proto_cls1.DESCRIPTOR, proto_cls2.DESCRIPTOR) + + def testMakeLargeProtoClass(self): + """Test that large created protos don't use reserved field numbers.""" + num_fields = 123456 + fields = { + 'foo%d' % i: descriptor_pb2.FieldDescriptorProto.TYPE_INT64 + for i in range(num_fields) + } + proto_cls = proto_builder.MakeSimpleProtoClass( + fields, + full_name='net.proto2.python.public.proto_builder_test.LargeProtoTest') + + reserved_field_numbers = set( + range(descriptor.FieldDescriptor.FIRST_RESERVED_FIELD_NUMBER, + descriptor.FieldDescriptor.LAST_RESERVED_FIELD_NUMBER + 1)) + proto_field_numbers = set(proto_cls.DESCRIPTOR.fields_by_number) + self.assertFalse(reserved_field_numbers.intersection(proto_field_numbers)) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/python_message.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/python_message.py new file mode 100644 index 0000000..5550b42 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/python_message.py @@ -0,0 +1,1539 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# This code is meant to work on Python 2.4 and above only. +# +# TODO(robinson): Helpers for verbose, common checks like seeing if a +# descriptor's cpp_type is CPPTYPE_MESSAGE. + +"""Contains a metaclass and helper functions used to create +protocol message classes from Descriptor objects at runtime. + +Recall that a metaclass is the "type" of a class. +(A class is to a metaclass what an instance is to a class.) + +In this case, we use the GeneratedProtocolMessageType metaclass +to inject all the useful functionality into the classes +output by the protocol compiler at compile-time. + +The upshot of all this is that the real implementation +details for ALL pure-Python protocol buffers are *here in +this file*. +""" + +__author__ = 'robinson@google.com (Will Robinson)' + +from io import BytesIO +import struct +import sys +import weakref + +# We use "as" to avoid name collisions with variables. +from google.protobuf.internal import api_implementation +from google.protobuf.internal import containers +from google.protobuf.internal import decoder +from google.protobuf.internal import encoder +from google.protobuf.internal import enum_type_wrapper +from google.protobuf.internal import extension_dict +from google.protobuf.internal import message_listener as message_listener_mod +from google.protobuf.internal import type_checkers +from google.protobuf.internal import well_known_types +from google.protobuf.internal import wire_format +from google.protobuf import descriptor as descriptor_mod +from google.protobuf import message as message_mod +from google.protobuf import text_format + +_FieldDescriptor = descriptor_mod.FieldDescriptor +_AnyFullTypeName = 'google.protobuf.Any' +_ExtensionDict = extension_dict._ExtensionDict + +class GeneratedProtocolMessageType(type): + + """Metaclass for protocol message classes created at runtime from Descriptors. + + We add implementations for all methods described in the Message class. We + also create properties to allow getting/setting all fields in the protocol + message. Finally, we create slots to prevent users from accidentally + "setting" nonexistent fields in the protocol message, which then wouldn't get + serialized / deserialized properly. + + The protocol compiler currently uses this metaclass to create protocol + message classes at runtime. Clients can also manually create their own + classes at runtime, as in this example: + + mydescriptor = Descriptor(.....) + factory = symbol_database.Default() + factory.pool.AddDescriptor(mydescriptor) + MyProtoClass = factory.GetPrototype(mydescriptor) + myproto_instance = MyProtoClass() + myproto.foo_field = 23 + ... + """ + + # Must be consistent with the protocol-compiler code in + # proto2/compiler/internal/generator.*. + _DESCRIPTOR_KEY = 'DESCRIPTOR' + + def __new__(cls, name, bases, dictionary): + """Custom allocation for runtime-generated class types. + + We override __new__ because this is apparently the only place + where we can meaningfully set __slots__ on the class we're creating(?). + (The interplay between metaclasses and slots is not very well-documented). + + Args: + name: Name of the class (ignored, but required by the + metaclass protocol). + bases: Base classes of the class we're constructing. + (Should be message.Message). We ignore this field, but + it's required by the metaclass protocol + dictionary: The class dictionary of the class we're + constructing. dictionary[_DESCRIPTOR_KEY] must contain + a Descriptor object describing this protocol message + type. + + Returns: + Newly-allocated class. + + Raises: + RuntimeError: Generated code only work with python cpp extension. + """ + descriptor = dictionary[GeneratedProtocolMessageType._DESCRIPTOR_KEY] + + if isinstance(descriptor, str): + raise RuntimeError('The generated code only work with python cpp ' + 'extension, but it is using pure python runtime.') + + # If a concrete class already exists for this descriptor, don't try to + # create another. Doing so will break any messages that already exist with + # the existing class. + # + # The C++ implementation appears to have its own internal `PyMessageFactory` + # to achieve similar results. + # + # This most commonly happens in `text_format.py` when using descriptors from + # a custom pool; it calls symbol_database.Global().getPrototype() on a + # descriptor which already has an existing concrete class. + new_class = getattr(descriptor, '_concrete_class', None) + if new_class: + return new_class + + if descriptor.full_name in well_known_types.WKTBASES: + bases += (well_known_types.WKTBASES[descriptor.full_name],) + _AddClassAttributesForNestedExtensions(descriptor, dictionary) + _AddSlots(descriptor, dictionary) + + superclass = super(GeneratedProtocolMessageType, cls) + new_class = superclass.__new__(cls, name, bases, dictionary) + return new_class + + def __init__(cls, name, bases, dictionary): + """Here we perform the majority of our work on the class. + We add enum getters, an __init__ method, implementations + of all Message methods, and properties for all fields + in the protocol type. + + Args: + name: Name of the class (ignored, but required by the + metaclass protocol). + bases: Base classes of the class we're constructing. + (Should be message.Message). We ignore this field, but + it's required by the metaclass protocol + dictionary: The class dictionary of the class we're + constructing. dictionary[_DESCRIPTOR_KEY] must contain + a Descriptor object describing this protocol message + type. + """ + descriptor = dictionary[GeneratedProtocolMessageType._DESCRIPTOR_KEY] + + # If this is an _existing_ class looked up via `_concrete_class` in the + # __new__ method above, then we don't need to re-initialize anything. + existing_class = getattr(descriptor, '_concrete_class', None) + if existing_class: + assert existing_class is cls, ( + 'Duplicate `GeneratedProtocolMessageType` created for descriptor %r' + % (descriptor.full_name)) + return + + cls._decoders_by_tag = {} + if (descriptor.has_options and + descriptor.GetOptions().message_set_wire_format): + cls._decoders_by_tag[decoder.MESSAGE_SET_ITEM_TAG] = ( + decoder.MessageSetItemDecoder(descriptor), None) + + # Attach stuff to each FieldDescriptor for quick lookup later on. + for field in descriptor.fields: + _AttachFieldHelpers(cls, field) + + descriptor._concrete_class = cls # pylint: disable=protected-access + _AddEnumValues(descriptor, cls) + _AddInitMethod(descriptor, cls) + _AddPropertiesForFields(descriptor, cls) + _AddPropertiesForExtensions(descriptor, cls) + _AddStaticMethods(cls) + _AddMessageMethods(descriptor, cls) + _AddPrivateHelperMethods(descriptor, cls) + + superclass = super(GeneratedProtocolMessageType, cls) + superclass.__init__(name, bases, dictionary) + + +# Stateless helpers for GeneratedProtocolMessageType below. +# Outside clients should not access these directly. +# +# I opted not to make any of these methods on the metaclass, to make it more +# clear that I'm not really using any state there and to keep clients from +# thinking that they have direct access to these construction helpers. + + +def _PropertyName(proto_field_name): + """Returns the name of the public property attribute which + clients can use to get and (in some cases) set the value + of a protocol message field. + + Args: + proto_field_name: The protocol message field name, exactly + as it appears (or would appear) in a .proto file. + """ + # TODO(robinson): Escape Python keywords (e.g., yield), and test this support. + # nnorwitz makes my day by writing: + # """ + # FYI. See the keyword module in the stdlib. This could be as simple as: + # + # if keyword.iskeyword(proto_field_name): + # return proto_field_name + "_" + # return proto_field_name + # """ + # Kenton says: The above is a BAD IDEA. People rely on being able to use + # getattr() and setattr() to reflectively manipulate field values. If we + # rename the properties, then every such user has to also make sure to apply + # the same transformation. Note that currently if you name a field "yield", + # you can still access it just fine using getattr/setattr -- it's not even + # that cumbersome to do so. + # TODO(kenton): Remove this method entirely if/when everyone agrees with my + # position. + return proto_field_name + + +def _AddSlots(message_descriptor, dictionary): + """Adds a __slots__ entry to dictionary, containing the names of all valid + attributes for this message type. + + Args: + message_descriptor: A Descriptor instance describing this message type. + dictionary: Class dictionary to which we'll add a '__slots__' entry. + """ + dictionary['__slots__'] = ['_cached_byte_size', + '_cached_byte_size_dirty', + '_fields', + '_unknown_fields', + '_unknown_field_set', + '_is_present_in_parent', + '_listener', + '_listener_for_children', + '__weakref__', + '_oneofs'] + + +def _IsMessageSetExtension(field): + return (field.is_extension and + field.containing_type.has_options and + field.containing_type.GetOptions().message_set_wire_format and + field.type == _FieldDescriptor.TYPE_MESSAGE and + field.label == _FieldDescriptor.LABEL_OPTIONAL) + + +def _IsMapField(field): + return (field.type == _FieldDescriptor.TYPE_MESSAGE and + field.message_type.has_options and + field.message_type.GetOptions().map_entry) + + +def _IsMessageMapField(field): + value_type = field.message_type.fields_by_name['value'] + return value_type.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE + + +def _AttachFieldHelpers(cls, field_descriptor): + is_repeated = (field_descriptor.label == _FieldDescriptor.LABEL_REPEATED) + is_packable = (is_repeated and + wire_format.IsTypePackable(field_descriptor.type)) + is_proto3 = field_descriptor.containing_type.syntax == 'proto3' + if not is_packable: + is_packed = False + elif field_descriptor.containing_type.syntax == 'proto2': + is_packed = (field_descriptor.has_options and + field_descriptor.GetOptions().packed) + else: + has_packed_false = (field_descriptor.has_options and + field_descriptor.GetOptions().HasField('packed') and + field_descriptor.GetOptions().packed == False) + is_packed = not has_packed_false + is_map_entry = _IsMapField(field_descriptor) + + if is_map_entry: + field_encoder = encoder.MapEncoder(field_descriptor) + sizer = encoder.MapSizer(field_descriptor, + _IsMessageMapField(field_descriptor)) + elif _IsMessageSetExtension(field_descriptor): + field_encoder = encoder.MessageSetItemEncoder(field_descriptor.number) + sizer = encoder.MessageSetItemSizer(field_descriptor.number) + else: + field_encoder = type_checkers.TYPE_TO_ENCODER[field_descriptor.type]( + field_descriptor.number, is_repeated, is_packed) + sizer = type_checkers.TYPE_TO_SIZER[field_descriptor.type]( + field_descriptor.number, is_repeated, is_packed) + + field_descriptor._encoder = field_encoder + field_descriptor._sizer = sizer + field_descriptor._default_constructor = _DefaultValueConstructorForField( + field_descriptor) + + def AddDecoder(wiretype, is_packed): + tag_bytes = encoder.TagBytes(field_descriptor.number, wiretype) + decode_type = field_descriptor.type + if (decode_type == _FieldDescriptor.TYPE_ENUM and + type_checkers.SupportsOpenEnums(field_descriptor)): + decode_type = _FieldDescriptor.TYPE_INT32 + + oneof_descriptor = None + clear_if_default = False + if field_descriptor.containing_oneof is not None: + oneof_descriptor = field_descriptor + elif (is_proto3 and not is_repeated and + field_descriptor.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE): + clear_if_default = True + + if is_map_entry: + is_message_map = _IsMessageMapField(field_descriptor) + + field_decoder = decoder.MapDecoder( + field_descriptor, _GetInitializeDefaultForMap(field_descriptor), + is_message_map) + elif decode_type == _FieldDescriptor.TYPE_STRING: + field_decoder = decoder.StringDecoder( + field_descriptor.number, is_repeated, is_packed, + field_descriptor, field_descriptor._default_constructor, + clear_if_default) + elif field_descriptor.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + field_decoder = type_checkers.TYPE_TO_DECODER[decode_type]( + field_descriptor.number, is_repeated, is_packed, + field_descriptor, field_descriptor._default_constructor) + else: + field_decoder = type_checkers.TYPE_TO_DECODER[decode_type]( + field_descriptor.number, is_repeated, is_packed, + # pylint: disable=protected-access + field_descriptor, field_descriptor._default_constructor, + clear_if_default) + + cls._decoders_by_tag[tag_bytes] = (field_decoder, oneof_descriptor) + + AddDecoder(type_checkers.FIELD_TYPE_TO_WIRE_TYPE[field_descriptor.type], + False) + + if is_repeated and wire_format.IsTypePackable(field_descriptor.type): + # To support wire compatibility of adding packed = true, add a decoder for + # packed values regardless of the field's options. + AddDecoder(wire_format.WIRETYPE_LENGTH_DELIMITED, True) + + +def _AddClassAttributesForNestedExtensions(descriptor, dictionary): + extensions = descriptor.extensions_by_name + for extension_name, extension_field in extensions.items(): + assert extension_name not in dictionary + dictionary[extension_name] = extension_field + + +def _AddEnumValues(descriptor, cls): + """Sets class-level attributes for all enum fields defined in this message. + + Also exporting a class-level object that can name enum values. + + Args: + descriptor: Descriptor object for this message type. + cls: Class we're constructing for this message type. + """ + for enum_type in descriptor.enum_types: + setattr(cls, enum_type.name, enum_type_wrapper.EnumTypeWrapper(enum_type)) + for enum_value in enum_type.values: + setattr(cls, enum_value.name, enum_value.number) + + +def _GetInitializeDefaultForMap(field): + if field.label != _FieldDescriptor.LABEL_REPEATED: + raise ValueError('map_entry set on non-repeated field %s' % ( + field.name)) + fields_by_name = field.message_type.fields_by_name + key_checker = type_checkers.GetTypeChecker(fields_by_name['key']) + + value_field = fields_by_name['value'] + if _IsMessageMapField(field): + def MakeMessageMapDefault(message): + return containers.MessageMap( + message._listener_for_children, value_field.message_type, key_checker, + field.message_type) + return MakeMessageMapDefault + else: + value_checker = type_checkers.GetTypeChecker(value_field) + def MakePrimitiveMapDefault(message): + return containers.ScalarMap( + message._listener_for_children, key_checker, value_checker, + field.message_type) + return MakePrimitiveMapDefault + +def _DefaultValueConstructorForField(field): + """Returns a function which returns a default value for a field. + + Args: + field: FieldDescriptor object for this field. + + The returned function has one argument: + message: Message instance containing this field, or a weakref proxy + of same. + + That function in turn returns a default value for this field. The default + value may refer back to |message| via a weak reference. + """ + + if _IsMapField(field): + return _GetInitializeDefaultForMap(field) + + if field.label == _FieldDescriptor.LABEL_REPEATED: + if field.has_default_value and field.default_value != []: + raise ValueError('Repeated field default value not empty list: %s' % ( + field.default_value)) + if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + # We can't look at _concrete_class yet since it might not have + # been set. (Depends on order in which we initialize the classes). + message_type = field.message_type + def MakeRepeatedMessageDefault(message): + return containers.RepeatedCompositeFieldContainer( + message._listener_for_children, field.message_type) + return MakeRepeatedMessageDefault + else: + type_checker = type_checkers.GetTypeChecker(field) + def MakeRepeatedScalarDefault(message): + return containers.RepeatedScalarFieldContainer( + message._listener_for_children, type_checker) + return MakeRepeatedScalarDefault + + if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + # _concrete_class may not yet be initialized. + message_type = field.message_type + def MakeSubMessageDefault(message): + assert getattr(message_type, '_concrete_class', None), ( + 'Uninitialized concrete class found for field %r (message type %r)' + % (field.full_name, message_type.full_name)) + result = message_type._concrete_class() + result._SetListener( + _OneofListener(message, field) + if field.containing_oneof is not None + else message._listener_for_children) + return result + return MakeSubMessageDefault + + def MakeScalarDefault(message): + # TODO(protobuf-team): This may be broken since there may not be + # default_value. Combine with has_default_value somehow. + return field.default_value + return MakeScalarDefault + + +def _ReraiseTypeErrorWithFieldName(message_name, field_name): + """Re-raise the currently-handled TypeError with the field name added.""" + exc = sys.exc_info()[1] + if len(exc.args) == 1 and type(exc) is TypeError: + # simple TypeError; add field name to exception message + exc = TypeError('%s for field %s.%s' % (str(exc), message_name, field_name)) + + # re-raise possibly-amended exception with original traceback: + raise exc.with_traceback(sys.exc_info()[2]) + + +def _AddInitMethod(message_descriptor, cls): + """Adds an __init__ method to cls.""" + + def _GetIntegerEnumValue(enum_type, value): + """Convert a string or integer enum value to an integer. + + If the value is a string, it is converted to the enum value in + enum_type with the same name. If the value is not a string, it's + returned as-is. (No conversion or bounds-checking is done.) + """ + if isinstance(value, str): + try: + return enum_type.values_by_name[value].number + except KeyError: + raise ValueError('Enum type %s: unknown label "%s"' % ( + enum_type.full_name, value)) + return value + + def init(self, **kwargs): + self._cached_byte_size = 0 + self._cached_byte_size_dirty = len(kwargs) > 0 + self._fields = {} + # Contains a mapping from oneof field descriptors to the descriptor + # of the currently set field in that oneof field. + self._oneofs = {} + + # _unknown_fields is () when empty for efficiency, and will be turned into + # a list if fields are added. + self._unknown_fields = () + # _unknown_field_set is None when empty for efficiency, and will be + # turned into UnknownFieldSet struct if fields are added. + self._unknown_field_set = None # pylint: disable=protected-access + self._is_present_in_parent = False + self._listener = message_listener_mod.NullMessageListener() + self._listener_for_children = _Listener(self) + for field_name, field_value in kwargs.items(): + field = _GetFieldByName(message_descriptor, field_name) + if field is None: + raise TypeError('%s() got an unexpected keyword argument "%s"' % + (message_descriptor.name, field_name)) + if field_value is None: + # field=None is the same as no field at all. + continue + if field.label == _FieldDescriptor.LABEL_REPEATED: + copy = field._default_constructor(self) + if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: # Composite + if _IsMapField(field): + if _IsMessageMapField(field): + for key in field_value: + copy[key].MergeFrom(field_value[key]) + else: + copy.update(field_value) + else: + for val in field_value: + if isinstance(val, dict): + copy.add(**val) + else: + copy.add().MergeFrom(val) + else: # Scalar + if field.cpp_type == _FieldDescriptor.CPPTYPE_ENUM: + field_value = [_GetIntegerEnumValue(field.enum_type, val) + for val in field_value] + copy.extend(field_value) + self._fields[field] = copy + elif field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + copy = field._default_constructor(self) + new_val = field_value + if isinstance(field_value, dict): + new_val = field.message_type._concrete_class(**field_value) + try: + copy.MergeFrom(new_val) + except TypeError: + _ReraiseTypeErrorWithFieldName(message_descriptor.name, field_name) + self._fields[field] = copy + else: + if field.cpp_type == _FieldDescriptor.CPPTYPE_ENUM: + field_value = _GetIntegerEnumValue(field.enum_type, field_value) + try: + setattr(self, field_name, field_value) + except TypeError: + _ReraiseTypeErrorWithFieldName(message_descriptor.name, field_name) + + init.__module__ = None + init.__doc__ = None + cls.__init__ = init + + +def _GetFieldByName(message_descriptor, field_name): + """Returns a field descriptor by field name. + + Args: + message_descriptor: A Descriptor describing all fields in message. + field_name: The name of the field to retrieve. + Returns: + The field descriptor associated with the field name. + """ + try: + return message_descriptor.fields_by_name[field_name] + except KeyError: + raise ValueError('Protocol message %s has no "%s" field.' % + (message_descriptor.name, field_name)) + + +def _AddPropertiesForFields(descriptor, cls): + """Adds properties for all fields in this protocol message type.""" + for field in descriptor.fields: + _AddPropertiesForField(field, cls) + + if descriptor.is_extendable: + # _ExtensionDict is just an adaptor with no state so we allocate a new one + # every time it is accessed. + cls.Extensions = property(lambda self: _ExtensionDict(self)) + + +def _AddPropertiesForField(field, cls): + """Adds a public property for a protocol message field. + Clients can use this property to get and (in the case + of non-repeated scalar fields) directly set the value + of a protocol message field. + + Args: + field: A FieldDescriptor for this field. + cls: The class we're constructing. + """ + # Catch it if we add other types that we should + # handle specially here. + assert _FieldDescriptor.MAX_CPPTYPE == 10 + + constant_name = field.name.upper() + '_FIELD_NUMBER' + setattr(cls, constant_name, field.number) + + if field.label == _FieldDescriptor.LABEL_REPEATED: + _AddPropertiesForRepeatedField(field, cls) + elif field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + _AddPropertiesForNonRepeatedCompositeField(field, cls) + else: + _AddPropertiesForNonRepeatedScalarField(field, cls) + + +class _FieldProperty(property): + __slots__ = ('DESCRIPTOR',) + + def __init__(self, descriptor, getter, setter, doc): + property.__init__(self, getter, setter, doc=doc) + self.DESCRIPTOR = descriptor + + +def _AddPropertiesForRepeatedField(field, cls): + """Adds a public property for a "repeated" protocol message field. Clients + can use this property to get the value of the field, which will be either a + RepeatedScalarFieldContainer or RepeatedCompositeFieldContainer (see + below). + + Note that when clients add values to these containers, we perform + type-checking in the case of repeated scalar fields, and we also set any + necessary "has" bits as a side-effect. + + Args: + field: A FieldDescriptor for this field. + cls: The class we're constructing. + """ + proto_field_name = field.name + property_name = _PropertyName(proto_field_name) + + def getter(self): + field_value = self._fields.get(field) + if field_value is None: + # Construct a new object to represent this field. + field_value = field._default_constructor(self) + + # Atomically check if another thread has preempted us and, if not, swap + # in the new object we just created. If someone has preempted us, we + # take that object and discard ours. + # WARNING: We are relying on setdefault() being atomic. This is true + # in CPython but we haven't investigated others. This warning appears + # in several other locations in this file. + field_value = self._fields.setdefault(field, field_value) + return field_value + getter.__module__ = None + getter.__doc__ = 'Getter for %s.' % proto_field_name + + # We define a setter just so we can throw an exception with a more + # helpful error message. + def setter(self, new_value): + raise AttributeError('Assignment not allowed to repeated field ' + '"%s" in protocol message object.' % proto_field_name) + + doc = 'Magic attribute generated for "%s" proto field.' % proto_field_name + setattr(cls, property_name, _FieldProperty(field, getter, setter, doc=doc)) + + +def _AddPropertiesForNonRepeatedScalarField(field, cls): + """Adds a public property for a nonrepeated, scalar protocol message field. + Clients can use this property to get and directly set the value of the field. + Note that when the client sets the value of a field by using this property, + all necessary "has" bits are set as a side-effect, and we also perform + type-checking. + + Args: + field: A FieldDescriptor for this field. + cls: The class we're constructing. + """ + proto_field_name = field.name + property_name = _PropertyName(proto_field_name) + type_checker = type_checkers.GetTypeChecker(field) + default_value = field.default_value + is_proto3 = field.containing_type.syntax == 'proto3' + + def getter(self): + # TODO(protobuf-team): This may be broken since there may not be + # default_value. Combine with has_default_value somehow. + return self._fields.get(field, default_value) + getter.__module__ = None + getter.__doc__ = 'Getter for %s.' % proto_field_name + + clear_when_set_to_default = is_proto3 and not field.containing_oneof + + def field_setter(self, new_value): + # pylint: disable=protected-access + # Testing the value for truthiness captures all of the proto3 defaults + # (0, 0.0, enum 0, and False). + try: + new_value = type_checker.CheckValue(new_value) + except TypeError as e: + raise TypeError( + 'Cannot set %s to %.1024r: %s' % (field.full_name, new_value, e)) + if clear_when_set_to_default and not new_value: + self._fields.pop(field, None) + else: + self._fields[field] = new_value + # Check _cached_byte_size_dirty inline to improve performance, since scalar + # setters are called frequently. + if not self._cached_byte_size_dirty: + self._Modified() + + if field.containing_oneof: + def setter(self, new_value): + field_setter(self, new_value) + self._UpdateOneofState(field) + else: + setter = field_setter + + setter.__module__ = None + setter.__doc__ = 'Setter for %s.' % proto_field_name + + # Add a property to encapsulate the getter/setter. + doc = 'Magic attribute generated for "%s" proto field.' % proto_field_name + setattr(cls, property_name, _FieldProperty(field, getter, setter, doc=doc)) + + +def _AddPropertiesForNonRepeatedCompositeField(field, cls): + """Adds a public property for a nonrepeated, composite protocol message field. + A composite field is a "group" or "message" field. + + Clients can use this property to get the value of the field, but cannot + assign to the property directly. + + Args: + field: A FieldDescriptor for this field. + cls: The class we're constructing. + """ + # TODO(robinson): Remove duplication with similar method + # for non-repeated scalars. + proto_field_name = field.name + property_name = _PropertyName(proto_field_name) + + def getter(self): + field_value = self._fields.get(field) + if field_value is None: + # Construct a new object to represent this field. + field_value = field._default_constructor(self) + + # Atomically check if another thread has preempted us and, if not, swap + # in the new object we just created. If someone has preempted us, we + # take that object and discard ours. + # WARNING: We are relying on setdefault() being atomic. This is true + # in CPython but we haven't investigated others. This warning appears + # in several other locations in this file. + field_value = self._fields.setdefault(field, field_value) + return field_value + getter.__module__ = None + getter.__doc__ = 'Getter for %s.' % proto_field_name + + # We define a setter just so we can throw an exception with a more + # helpful error message. + def setter(self, new_value): + raise AttributeError('Assignment not allowed to composite field ' + '"%s" in protocol message object.' % proto_field_name) + + # Add a property to encapsulate the getter. + doc = 'Magic attribute generated for "%s" proto field.' % proto_field_name + setattr(cls, property_name, _FieldProperty(field, getter, setter, doc=doc)) + + +def _AddPropertiesForExtensions(descriptor, cls): + """Adds properties for all fields in this protocol message type.""" + extensions = descriptor.extensions_by_name + for extension_name, extension_field in extensions.items(): + constant_name = extension_name.upper() + '_FIELD_NUMBER' + setattr(cls, constant_name, extension_field.number) + + # TODO(amauryfa): Migrate all users of these attributes to functions like + # pool.FindExtensionByNumber(descriptor). + if descriptor.file is not None: + # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available. + pool = descriptor.file.pool + cls._extensions_by_number = pool._extensions_by_number[descriptor] + cls._extensions_by_name = pool._extensions_by_name[descriptor] + +def _AddStaticMethods(cls): + # TODO(robinson): This probably needs to be thread-safe(?) + def RegisterExtension(extension_handle): + extension_handle.containing_type = cls.DESCRIPTOR + # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available. + # pylint: disable=protected-access + cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle) + _AttachFieldHelpers(cls, extension_handle) + cls.RegisterExtension = staticmethod(RegisterExtension) + + def FromString(s): + message = cls() + message.MergeFromString(s) + return message + cls.FromString = staticmethod(FromString) + + +def _IsPresent(item): + """Given a (FieldDescriptor, value) tuple from _fields, return true if the + value should be included in the list returned by ListFields().""" + + if item[0].label == _FieldDescriptor.LABEL_REPEATED: + return bool(item[1]) + elif item[0].cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + return item[1]._is_present_in_parent + else: + return True + + +def _AddListFieldsMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + + def ListFields(self): + all_fields = [item for item in self._fields.items() if _IsPresent(item)] + all_fields.sort(key = lambda item: item[0].number) + return all_fields + + cls.ListFields = ListFields + +_PROTO3_ERROR_TEMPLATE = \ + ('Protocol message %s has no non-repeated submessage field "%s" ' + 'nor marked as optional') +_PROTO2_ERROR_TEMPLATE = 'Protocol message %s has no non-repeated field "%s"' + +def _AddHasFieldMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + + is_proto3 = (message_descriptor.syntax == "proto3") + error_msg = _PROTO3_ERROR_TEMPLATE if is_proto3 else _PROTO2_ERROR_TEMPLATE + + hassable_fields = {} + for field in message_descriptor.fields: + if field.label == _FieldDescriptor.LABEL_REPEATED: + continue + # For proto3, only submessages and fields inside a oneof have presence. + if (is_proto3 and field.cpp_type != _FieldDescriptor.CPPTYPE_MESSAGE and + not field.containing_oneof): + continue + hassable_fields[field.name] = field + + # Has methods are supported for oneof descriptors. + for oneof in message_descriptor.oneofs: + hassable_fields[oneof.name] = oneof + + def HasField(self, field_name): + try: + field = hassable_fields[field_name] + except KeyError: + raise ValueError(error_msg % (message_descriptor.full_name, field_name)) + + if isinstance(field, descriptor_mod.OneofDescriptor): + try: + return HasField(self, self._oneofs[field].name) + except KeyError: + return False + else: + if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + value = self._fields.get(field) + return value is not None and value._is_present_in_parent + else: + return field in self._fields + + cls.HasField = HasField + + +def _AddClearFieldMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + def ClearField(self, field_name): + try: + field = message_descriptor.fields_by_name[field_name] + except KeyError: + try: + field = message_descriptor.oneofs_by_name[field_name] + if field in self._oneofs: + field = self._oneofs[field] + else: + return + except KeyError: + raise ValueError('Protocol message %s has no "%s" field.' % + (message_descriptor.name, field_name)) + + if field in self._fields: + # To match the C++ implementation, we need to invalidate iterators + # for map fields when ClearField() happens. + if hasattr(self._fields[field], 'InvalidateIterators'): + self._fields[field].InvalidateIterators() + + # Note: If the field is a sub-message, its listener will still point + # at us. That's fine, because the worst than can happen is that it + # will call _Modified() and invalidate our byte size. Big deal. + del self._fields[field] + + if self._oneofs.get(field.containing_oneof, None) is field: + del self._oneofs[field.containing_oneof] + + # Always call _Modified() -- even if nothing was changed, this is + # a mutating method, and thus calling it should cause the field to become + # present in the parent message. + self._Modified() + + cls.ClearField = ClearField + + +def _AddClearExtensionMethod(cls): + """Helper for _AddMessageMethods().""" + def ClearExtension(self, extension_handle): + extension_dict._VerifyExtensionHandle(self, extension_handle) + + # Similar to ClearField(), above. + if extension_handle in self._fields: + del self._fields[extension_handle] + self._Modified() + cls.ClearExtension = ClearExtension + + +def _AddHasExtensionMethod(cls): + """Helper for _AddMessageMethods().""" + def HasExtension(self, extension_handle): + extension_dict._VerifyExtensionHandle(self, extension_handle) + if extension_handle.label == _FieldDescriptor.LABEL_REPEATED: + raise KeyError('"%s" is repeated.' % extension_handle.full_name) + + if extension_handle.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + value = self._fields.get(extension_handle) + return value is not None and value._is_present_in_parent + else: + return extension_handle in self._fields + cls.HasExtension = HasExtension + +def _InternalUnpackAny(msg): + """Unpacks Any message and returns the unpacked message. + + This internal method is different from public Any Unpack method which takes + the target message as argument. _InternalUnpackAny method does not have + target message type and need to find the message type in descriptor pool. + + Args: + msg: An Any message to be unpacked. + + Returns: + The unpacked message. + """ + # TODO(amauryfa): Don't use the factory of generated messages. + # To make Any work with custom factories, use the message factory of the + # parent message. + # pylint: disable=g-import-not-at-top + from google.protobuf import symbol_database + factory = symbol_database.Default() + + type_url = msg.type_url + + if not type_url: + return None + + # TODO(haberman): For now we just strip the hostname. Better logic will be + # required. + type_name = type_url.split('/')[-1] + descriptor = factory.pool.FindMessageTypeByName(type_name) + + if descriptor is None: + return None + + message_class = factory.GetPrototype(descriptor) + message = message_class() + + message.ParseFromString(msg.value) + return message + + +def _AddEqualsMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + def __eq__(self, other): + if (not isinstance(other, message_mod.Message) or + other.DESCRIPTOR != self.DESCRIPTOR): + return False + + if self is other: + return True + + if self.DESCRIPTOR.full_name == _AnyFullTypeName: + any_a = _InternalUnpackAny(self) + any_b = _InternalUnpackAny(other) + if any_a and any_b: + return any_a == any_b + + if not self.ListFields() == other.ListFields(): + return False + + # TODO(jieluo): Fix UnknownFieldSet to consider MessageSet extensions, + # then use it for the comparison. + unknown_fields = list(self._unknown_fields) + unknown_fields.sort() + other_unknown_fields = list(other._unknown_fields) + other_unknown_fields.sort() + return unknown_fields == other_unknown_fields + + cls.__eq__ = __eq__ + + +def _AddStrMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + def __str__(self): + return text_format.MessageToString(self) + cls.__str__ = __str__ + + +def _AddReprMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + def __repr__(self): + return text_format.MessageToString(self) + cls.__repr__ = __repr__ + + +def _AddUnicodeMethod(unused_message_descriptor, cls): + """Helper for _AddMessageMethods().""" + + def __unicode__(self): + return text_format.MessageToString(self, as_utf8=True).decode('utf-8') + cls.__unicode__ = __unicode__ + + +def _BytesForNonRepeatedElement(value, field_number, field_type): + """Returns the number of bytes needed to serialize a non-repeated element. + The returned byte count includes space for tag information and any + other additional space associated with serializing value. + + Args: + value: Value we're serializing. + field_number: Field number of this value. (Since the field number + is stored as part of a varint-encoded tag, this has an impact + on the total bytes required to serialize the value). + field_type: The type of the field. One of the TYPE_* constants + within FieldDescriptor. + """ + try: + fn = type_checkers.TYPE_TO_BYTE_SIZE_FN[field_type] + return fn(field_number, value) + except KeyError: + raise message_mod.EncodeError('Unrecognized field type: %d' % field_type) + + +def _AddByteSizeMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + + def ByteSize(self): + if not self._cached_byte_size_dirty: + return self._cached_byte_size + + size = 0 + descriptor = self.DESCRIPTOR + if descriptor.GetOptions().map_entry: + # Fields of map entry should always be serialized. + size = descriptor.fields_by_name['key']._sizer(self.key) + size += descriptor.fields_by_name['value']._sizer(self.value) + else: + for field_descriptor, field_value in self.ListFields(): + size += field_descriptor._sizer(field_value) + for tag_bytes, value_bytes in self._unknown_fields: + size += len(tag_bytes) + len(value_bytes) + + self._cached_byte_size = size + self._cached_byte_size_dirty = False + self._listener_for_children.dirty = False + return size + + cls.ByteSize = ByteSize + + +def _AddSerializeToStringMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + + def SerializeToString(self, **kwargs): + # Check if the message has all of its required fields set. + if not self.IsInitialized(): + raise message_mod.EncodeError( + 'Message %s is missing required fields: %s' % ( + self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors()))) + return self.SerializePartialToString(**kwargs) + cls.SerializeToString = SerializeToString + + +def _AddSerializePartialToStringMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + + def SerializePartialToString(self, **kwargs): + out = BytesIO() + self._InternalSerialize(out.write, **kwargs) + return out.getvalue() + cls.SerializePartialToString = SerializePartialToString + + def InternalSerialize(self, write_bytes, deterministic=None): + if deterministic is None: + deterministic = ( + api_implementation.IsPythonDefaultSerializationDeterministic()) + else: + deterministic = bool(deterministic) + + descriptor = self.DESCRIPTOR + if descriptor.GetOptions().map_entry: + # Fields of map entry should always be serialized. + descriptor.fields_by_name['key']._encoder( + write_bytes, self.key, deterministic) + descriptor.fields_by_name['value']._encoder( + write_bytes, self.value, deterministic) + else: + for field_descriptor, field_value in self.ListFields(): + field_descriptor._encoder(write_bytes, field_value, deterministic) + for tag_bytes, value_bytes in self._unknown_fields: + write_bytes(tag_bytes) + write_bytes(value_bytes) + cls._InternalSerialize = InternalSerialize + + +def _AddMergeFromStringMethod(message_descriptor, cls): + """Helper for _AddMessageMethods().""" + def MergeFromString(self, serialized): + serialized = memoryview(serialized) + length = len(serialized) + try: + if self._InternalParse(serialized, 0, length) != length: + # The only reason _InternalParse would return early is if it + # encountered an end-group tag. + raise message_mod.DecodeError('Unexpected end-group tag.') + except (IndexError, TypeError): + # Now ord(buf[p:p+1]) == ord('') gets TypeError. + raise message_mod.DecodeError('Truncated message.') + except struct.error as e: + raise message_mod.DecodeError(e) + return length # Return this for legacy reasons. + cls.MergeFromString = MergeFromString + + local_ReadTag = decoder.ReadTag + local_SkipField = decoder.SkipField + decoders_by_tag = cls._decoders_by_tag + + def InternalParse(self, buffer, pos, end): + """Create a message from serialized bytes. + + Args: + self: Message, instance of the proto message object. + buffer: memoryview of the serialized data. + pos: int, position to start in the serialized data. + end: int, end position of the serialized data. + + Returns: + Message object. + """ + # Guard against internal misuse, since this function is called internally + # quite extensively, and its easy to accidentally pass bytes. + assert isinstance(buffer, memoryview) + self._Modified() + field_dict = self._fields + # pylint: disable=protected-access + unknown_field_set = self._unknown_field_set + while pos != end: + (tag_bytes, new_pos) = local_ReadTag(buffer, pos) + field_decoder, field_desc = decoders_by_tag.get(tag_bytes, (None, None)) + if field_decoder is None: + if not self._unknown_fields: # pylint: disable=protected-access + self._unknown_fields = [] # pylint: disable=protected-access + if unknown_field_set is None: + # pylint: disable=protected-access + self._unknown_field_set = containers.UnknownFieldSet() + # pylint: disable=protected-access + unknown_field_set = self._unknown_field_set + # pylint: disable=protected-access + (tag, _) = decoder._DecodeVarint(tag_bytes, 0) + field_number, wire_type = wire_format.UnpackTag(tag) + if field_number == 0: + raise message_mod.DecodeError('Field number 0 is illegal.') + # TODO(jieluo): remove old_pos. + old_pos = new_pos + (data, new_pos) = decoder._DecodeUnknownField( + buffer, new_pos, wire_type) # pylint: disable=protected-access + if new_pos == -1: + return pos + # pylint: disable=protected-access + unknown_field_set._add(field_number, wire_type, data) + # TODO(jieluo): remove _unknown_fields. + new_pos = local_SkipField(buffer, old_pos, end, tag_bytes) + if new_pos == -1: + return pos + self._unknown_fields.append( + (tag_bytes, buffer[old_pos:new_pos].tobytes())) + pos = new_pos + else: + pos = field_decoder(buffer, new_pos, end, self, field_dict) + if field_desc: + self._UpdateOneofState(field_desc) + return pos + cls._InternalParse = InternalParse + + +def _AddIsInitializedMethod(message_descriptor, cls): + """Adds the IsInitialized and FindInitializationError methods to the + protocol message class.""" + + required_fields = [field for field in message_descriptor.fields + if field.label == _FieldDescriptor.LABEL_REQUIRED] + + def IsInitialized(self, errors=None): + """Checks if all required fields of a message are set. + + Args: + errors: A list which, if provided, will be populated with the field + paths of all missing required fields. + + Returns: + True iff the specified message has all required fields set. + """ + + # Performance is critical so we avoid HasField() and ListFields(). + + for field in required_fields: + if (field not in self._fields or + (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and + not self._fields[field]._is_present_in_parent)): + if errors is not None: + errors.extend(self.FindInitializationErrors()) + return False + + for field, value in list(self._fields.items()): # dict can change size! + if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + if field.label == _FieldDescriptor.LABEL_REPEATED: + if (field.message_type.has_options and + field.message_type.GetOptions().map_entry): + continue + for element in value: + if not element.IsInitialized(): + if errors is not None: + errors.extend(self.FindInitializationErrors()) + return False + elif value._is_present_in_parent and not value.IsInitialized(): + if errors is not None: + errors.extend(self.FindInitializationErrors()) + return False + + return True + + cls.IsInitialized = IsInitialized + + def FindInitializationErrors(self): + """Finds required fields which are not initialized. + + Returns: + A list of strings. Each string is a path to an uninitialized field from + the top-level message, e.g. "foo.bar[5].baz". + """ + + errors = [] # simplify things + + for field in required_fields: + if not self.HasField(field.name): + errors.append(field.name) + + for field, value in self.ListFields(): + if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + if field.is_extension: + name = '(%s)' % field.full_name + else: + name = field.name + + if _IsMapField(field): + if _IsMessageMapField(field): + for key in value: + element = value[key] + prefix = '%s[%s].' % (name, key) + sub_errors = element.FindInitializationErrors() + errors += [prefix + error for error in sub_errors] + else: + # ScalarMaps can't have any initialization errors. + pass + elif field.label == _FieldDescriptor.LABEL_REPEATED: + for i in range(len(value)): + element = value[i] + prefix = '%s[%d].' % (name, i) + sub_errors = element.FindInitializationErrors() + errors += [prefix + error for error in sub_errors] + else: + prefix = name + '.' + sub_errors = value.FindInitializationErrors() + errors += [prefix + error for error in sub_errors] + + return errors + + cls.FindInitializationErrors = FindInitializationErrors + + +def _FullyQualifiedClassName(klass): + module = klass.__module__ + name = getattr(klass, '__qualname__', klass.__name__) + if module in (None, 'builtins', '__builtin__'): + return name + return module + '.' + name + + +def _AddMergeFromMethod(cls): + LABEL_REPEATED = _FieldDescriptor.LABEL_REPEATED + CPPTYPE_MESSAGE = _FieldDescriptor.CPPTYPE_MESSAGE + + def MergeFrom(self, msg): + if not isinstance(msg, cls): + raise TypeError( + 'Parameter to MergeFrom() must be instance of same class: ' + 'expected %s got %s.' % (_FullyQualifiedClassName(cls), + _FullyQualifiedClassName(msg.__class__))) + + assert msg is not self + self._Modified() + + fields = self._fields + + for field, value in msg._fields.items(): + if field.label == LABEL_REPEATED: + field_value = fields.get(field) + if field_value is None: + # Construct a new object to represent this field. + field_value = field._default_constructor(self) + fields[field] = field_value + field_value.MergeFrom(value) + elif field.cpp_type == CPPTYPE_MESSAGE: + if value._is_present_in_parent: + field_value = fields.get(field) + if field_value is None: + # Construct a new object to represent this field. + field_value = field._default_constructor(self) + fields[field] = field_value + field_value.MergeFrom(value) + else: + self._fields[field] = value + if field.containing_oneof: + self._UpdateOneofState(field) + + if msg._unknown_fields: + if not self._unknown_fields: + self._unknown_fields = [] + self._unknown_fields.extend(msg._unknown_fields) + # pylint: disable=protected-access + if self._unknown_field_set is None: + self._unknown_field_set = containers.UnknownFieldSet() + self._unknown_field_set._extend(msg._unknown_field_set) + + cls.MergeFrom = MergeFrom + + +def _AddWhichOneofMethod(message_descriptor, cls): + def WhichOneof(self, oneof_name): + """Returns the name of the currently set field inside a oneof, or None.""" + try: + field = message_descriptor.oneofs_by_name[oneof_name] + except KeyError: + raise ValueError( + 'Protocol message has no oneof "%s" field.' % oneof_name) + + nested_field = self._oneofs.get(field, None) + if nested_field is not None and self.HasField(nested_field.name): + return nested_field.name + else: + return None + + cls.WhichOneof = WhichOneof + + +def _Clear(self): + # Clear fields. + self._fields = {} + self._unknown_fields = () + # pylint: disable=protected-access + if self._unknown_field_set is not None: + self._unknown_field_set._clear() + self._unknown_field_set = None + + self._oneofs = {} + self._Modified() + + +def _UnknownFields(self): + if self._unknown_field_set is None: # pylint: disable=protected-access + # pylint: disable=protected-access + self._unknown_field_set = containers.UnknownFieldSet() + return self._unknown_field_set # pylint: disable=protected-access + + +def _DiscardUnknownFields(self): + self._unknown_fields = [] + self._unknown_field_set = None # pylint: disable=protected-access + for field, value in self.ListFields(): + if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE: + if _IsMapField(field): + if _IsMessageMapField(field): + for key in value: + value[key].DiscardUnknownFields() + elif field.label == _FieldDescriptor.LABEL_REPEATED: + for sub_message in value: + sub_message.DiscardUnknownFields() + else: + value.DiscardUnknownFields() + + +def _SetListener(self, listener): + if listener is None: + self._listener = message_listener_mod.NullMessageListener() + else: + self._listener = listener + + +def _AddMessageMethods(message_descriptor, cls): + """Adds implementations of all Message methods to cls.""" + _AddListFieldsMethod(message_descriptor, cls) + _AddHasFieldMethod(message_descriptor, cls) + _AddClearFieldMethod(message_descriptor, cls) + if message_descriptor.is_extendable: + _AddClearExtensionMethod(cls) + _AddHasExtensionMethod(cls) + _AddEqualsMethod(message_descriptor, cls) + _AddStrMethod(message_descriptor, cls) + _AddReprMethod(message_descriptor, cls) + _AddUnicodeMethod(message_descriptor, cls) + _AddByteSizeMethod(message_descriptor, cls) + _AddSerializeToStringMethod(message_descriptor, cls) + _AddSerializePartialToStringMethod(message_descriptor, cls) + _AddMergeFromStringMethod(message_descriptor, cls) + _AddIsInitializedMethod(message_descriptor, cls) + _AddMergeFromMethod(cls) + _AddWhichOneofMethod(message_descriptor, cls) + # Adds methods which do not depend on cls. + cls.Clear = _Clear + cls.UnknownFields = _UnknownFields + cls.DiscardUnknownFields = _DiscardUnknownFields + cls._SetListener = _SetListener + + +def _AddPrivateHelperMethods(message_descriptor, cls): + """Adds implementation of private helper methods to cls.""" + + def Modified(self): + """Sets the _cached_byte_size_dirty bit to true, + and propagates this to our listener iff this was a state change. + """ + + # Note: Some callers check _cached_byte_size_dirty before calling + # _Modified() as an extra optimization. So, if this method is ever + # changed such that it does stuff even when _cached_byte_size_dirty is + # already true, the callers need to be updated. + if not self._cached_byte_size_dirty: + self._cached_byte_size_dirty = True + self._listener_for_children.dirty = True + self._is_present_in_parent = True + self._listener.Modified() + + def _UpdateOneofState(self, field): + """Sets field as the active field in its containing oneof. + + Will also delete currently active field in the oneof, if it is different + from the argument. Does not mark the message as modified. + """ + other_field = self._oneofs.setdefault(field.containing_oneof, field) + if other_field is not field: + del self._fields[other_field] + self._oneofs[field.containing_oneof] = field + + cls._Modified = Modified + cls.SetInParent = Modified + cls._UpdateOneofState = _UpdateOneofState + + +class _Listener(object): + + """MessageListener implementation that a parent message registers with its + child message. + + In order to support semantics like: + + foo.bar.baz.moo = 23 + assert foo.HasField('bar') + + ...child objects must have back references to their parents. + This helper class is at the heart of this support. + """ + + def __init__(self, parent_message): + """Args: + parent_message: The message whose _Modified() method we should call when + we receive Modified() messages. + """ + # This listener establishes a back reference from a child (contained) object + # to its parent (containing) object. We make this a weak reference to avoid + # creating cyclic garbage when the client finishes with the 'parent' object + # in the tree. + if isinstance(parent_message, weakref.ProxyType): + self._parent_message_weakref = parent_message + else: + self._parent_message_weakref = weakref.proxy(parent_message) + + # As an optimization, we also indicate directly on the listener whether + # or not the parent message is dirty. This way we can avoid traversing + # up the tree in the common case. + self.dirty = False + + def Modified(self): + if self.dirty: + return + try: + # Propagate the signal to our parents iff this is the first field set. + self._parent_message_weakref._Modified() + except ReferenceError: + # We can get here if a client has kept a reference to a child object, + # and is now setting a field on it, but the child's parent has been + # garbage-collected. This is not an error. + pass + + +class _OneofListener(_Listener): + """Special listener implementation for setting composite oneof fields.""" + + def __init__(self, parent_message, field): + """Args: + parent_message: The message whose _Modified() method we should call when + we receive Modified() messages. + field: The descriptor of the field being set in the parent message. + """ + super(_OneofListener, self).__init__(parent_message) + self._field = field + + def Modified(self): + """Also updates the state of the containing oneof in the parent message.""" + try: + self._parent_message_weakref._UpdateOneofState(self._field) + super(_OneofListener, self).Modified() + except ReferenceError: + pass diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/reflection_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/reflection_test.py new file mode 100644 index 0000000..62957d3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/reflection_test.py @@ -0,0 +1,3381 @@ +# -*- coding: utf-8 -*- +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Unittest for reflection.py, which also indirectly tests the output of the +pure-Python protocol compiler. +""" + +import copy +import gc +import operator +import struct +import sys +import warnings +import unittest + +from google.protobuf import unittest_import_pb2 +from google.protobuf import unittest_mset_pb2 +from google.protobuf import unittest_pb2 +from google.protobuf import unittest_proto3_arena_pb2 +from google.protobuf import descriptor_pb2 +from google.protobuf import descriptor +from google.protobuf import message +from google.protobuf import reflection +from google.protobuf import text_format +from google.protobuf.internal import api_implementation +from google.protobuf.internal import more_extensions_pb2 +from google.protobuf.internal import more_messages_pb2 +from google.protobuf.internal import message_set_extensions_pb2 +from google.protobuf.internal import wire_format +from google.protobuf.internal import test_util +from google.protobuf.internal import testing_refleaks +from google.protobuf.internal import decoder +from google.protobuf.internal import _parameterized + + +warnings.simplefilter('error', DeprecationWarning) + + +class _MiniDecoder(object): + """Decodes a stream of values from a string. + + Once upon a time we actually had a class called decoder.Decoder. Then we + got rid of it during a redesign that made decoding much, much faster overall. + But a couple tests in this file used it to check that the serialized form of + a message was correct. So, this class implements just the methods that were + used by said tests, so that we don't have to rewrite the tests. + """ + + def __init__(self, bytes): + self._bytes = bytes + self._pos = 0 + + def ReadVarint(self): + result, self._pos = decoder._DecodeVarint(self._bytes, self._pos) + return result + + ReadInt32 = ReadVarint + ReadInt64 = ReadVarint + ReadUInt32 = ReadVarint + ReadUInt64 = ReadVarint + + def ReadSInt64(self): + return wire_format.ZigZagDecode(self.ReadVarint()) + + ReadSInt32 = ReadSInt64 + + def ReadFieldNumberAndWireType(self): + return wire_format.UnpackTag(self.ReadVarint()) + + def ReadFloat(self): + result = struct.unpack('= (3, 10)): + self.assertRaises(TypeError, setattr, proto, 'optional_bool', 1.1) + else: + proto.optional_bool = 1.1 + + def assertIntegerTypes(self, integer_fn, message_module): + """Verifies setting of scalar integers. + + Args: + integer_fn: A function to wrap the integers that will be assigned. + message_module: unittest_pb2 or unittest_proto3_arena_pb2 + """ + def TestGetAndDeserialize(field_name, value, expected_type): + proto = message_module.TestAllTypes() + value = integer_fn(value) + setattr(proto, field_name, value) + self.assertIsInstance(getattr(proto, field_name), expected_type) + proto2 = message_module.TestAllTypes() + proto2.ParseFromString(proto.SerializeToString()) + self.assertIsInstance(getattr(proto2, field_name), expected_type) + + TestGetAndDeserialize('optional_int32', 1, int) + TestGetAndDeserialize('optional_int32', 1 << 30, int) + TestGetAndDeserialize('optional_uint32', 1 << 30, int) + integer_64 = int + if struct.calcsize('L') == 4: + # Python only has signed ints, so 32-bit python can't fit an uint32 + # in an int. + TestGetAndDeserialize('optional_uint32', 1 << 31, integer_64) + else: + # 64-bit python can fit uint32 inside an int + TestGetAndDeserialize('optional_uint32', 1 << 31, int) + TestGetAndDeserialize('optional_int64', 1 << 30, integer_64) + TestGetAndDeserialize('optional_int64', 1 << 60, integer_64) + TestGetAndDeserialize('optional_uint64', 1 << 30, integer_64) + TestGetAndDeserialize('optional_uint64', 1 << 60, integer_64) + + def testIntegerTypes(self, message_module): + self.assertIntegerTypes(lambda x: x, message_module) + + def testNonStandardIntegerTypes(self, message_module): + self.assertIntegerTypes(test_util.NonStandardInteger, message_module) + + def testIllegalValuesForIntegers(self, message_module): + pb = message_module.TestAllTypes() + + # Strings are illegal, even when the represent an integer. + with self.assertRaises(TypeError): + pb.optional_uint64 = '2' + + # The exact error should propagate with a poorly written custom integer. + with self.assertRaisesRegex(RuntimeError, 'my_error'): + pb.optional_uint64 = test_util.NonStandardInteger(5, 'my_error') + + def assetIntegerBoundsChecking(self, integer_fn, message_module): + """Verifies bounds checking for scalar integer fields. + + Args: + integer_fn: A function to wrap the integers that will be assigned. + message_module: unittest_pb2 or unittest_proto3_arena_pb2 + """ + def TestMinAndMaxIntegers(field_name, expected_min, expected_max): + pb = message_module.TestAllTypes() + expected_min = integer_fn(expected_min) + expected_max = integer_fn(expected_max) + setattr(pb, field_name, expected_min) + self.assertEqual(expected_min, getattr(pb, field_name)) + setattr(pb, field_name, expected_max) + self.assertEqual(expected_max, getattr(pb, field_name)) + self.assertRaises((ValueError, TypeError), setattr, pb, field_name, + expected_min - 1) + self.assertRaises((ValueError, TypeError), setattr, pb, field_name, + expected_max + 1) + + TestMinAndMaxIntegers('optional_int32', -(1 << 31), (1 << 31) - 1) + TestMinAndMaxIntegers('optional_uint32', 0, 0xffffffff) + TestMinAndMaxIntegers('optional_int64', -(1 << 63), (1 << 63) - 1) + TestMinAndMaxIntegers('optional_uint64', 0, 0xffffffffffffffff) + # A bit of white-box testing since -1 is an int and not a long in C++ and + # so goes down a different path. + pb = message_module.TestAllTypes() + with self.assertRaises((ValueError, TypeError)): + pb.optional_uint64 = integer_fn(-(1 << 63)) + + pb = message_module.TestAllTypes() + pb.optional_nested_enum = integer_fn(1) + self.assertEqual(1, pb.optional_nested_enum) + + def testSingleScalarBoundsChecking(self, message_module): + self.assetIntegerBoundsChecking(lambda x: x, message_module) + + def testNonStandardSingleScalarBoundsChecking(self, message_module): + self.assetIntegerBoundsChecking( + test_util.NonStandardInteger, message_module) + + def testRepeatedScalarTypeSafety(self, message_module): + proto = message_module.TestAllTypes() + self.assertRaises(TypeError, proto.repeated_int32.append, 1.1) + self.assertRaises(TypeError, proto.repeated_int32.append, 'foo') + self.assertRaises(TypeError, proto.repeated_string, 10) + self.assertRaises(TypeError, proto.repeated_bytes, 10) + + proto.repeated_int32.append(10) + proto.repeated_int32[0] = 23 + self.assertRaises(IndexError, proto.repeated_int32.__setitem__, 500, 23) + self.assertRaises(TypeError, proto.repeated_int32.__setitem__, 0, 'abc') + self.assertRaises(TypeError, proto.repeated_int32.__setitem__, 0, []) + self.assertRaises(TypeError, proto.repeated_int32.__setitem__, + 'index', 23) + + proto.repeated_string.append('2') + self.assertRaises(TypeError, proto.repeated_string.__setitem__, 0, 10) + + # Repeated enums tests. + #proto.repeated_nested_enum.append(0) + + def testSingleScalarGettersAndSetters(self, message_module): + proto = message_module.TestAllTypes() + self.assertEqual(0, proto.optional_int32) + proto.optional_int32 = 1 + self.assertEqual(1, proto.optional_int32) + + proto.optional_uint64 = 0xffffffffffff + self.assertEqual(0xffffffffffff, proto.optional_uint64) + proto.optional_uint64 = 0xffffffffffffffff + self.assertEqual(0xffffffffffffffff, proto.optional_uint64) + # TODO(robinson): Test all other scalar field types. + + def testEnums(self, message_module): + proto = message_module.TestAllTypes() + self.assertEqual(1, proto.FOO) + self.assertEqual(1, message_module.TestAllTypes.FOO) + self.assertEqual(2, proto.BAR) + self.assertEqual(2, message_module.TestAllTypes.BAR) + self.assertEqual(3, proto.BAZ) + self.assertEqual(3, message_module.TestAllTypes.BAZ) + + def testEnum_Name(self, message_module): + self.assertEqual( + 'FOREIGN_FOO', + message_module.ForeignEnum.Name(message_module.FOREIGN_FOO)) + self.assertEqual( + 'FOREIGN_BAR', + message_module.ForeignEnum.Name(message_module.FOREIGN_BAR)) + self.assertEqual( + 'FOREIGN_BAZ', + message_module.ForeignEnum.Name(message_module.FOREIGN_BAZ)) + self.assertRaises(ValueError, + message_module.ForeignEnum.Name, 11312) + + proto = message_module.TestAllTypes() + self.assertEqual('FOO', + proto.NestedEnum.Name(proto.FOO)) + self.assertEqual('FOO', + message_module.TestAllTypes.NestedEnum.Name(proto.FOO)) + self.assertEqual('BAR', + proto.NestedEnum.Name(proto.BAR)) + self.assertEqual('BAR', + message_module.TestAllTypes.NestedEnum.Name(proto.BAR)) + self.assertEqual('BAZ', + proto.NestedEnum.Name(proto.BAZ)) + self.assertEqual('BAZ', + message_module.TestAllTypes.NestedEnum.Name(proto.BAZ)) + self.assertRaises(ValueError, + proto.NestedEnum.Name, 11312) + self.assertRaises(ValueError, + message_module.TestAllTypes.NestedEnum.Name, 11312) + + # Check some coercion cases. + self.assertRaises(TypeError, message_module.TestAllTypes.NestedEnum.Name, + 11312.0) + self.assertRaises(TypeError, message_module.TestAllTypes.NestedEnum.Name, + None) + self.assertEqual('FOO', message_module.TestAllTypes.NestedEnum.Name(True)) + + def testEnum_Value(self, message_module): + self.assertEqual(message_module.FOREIGN_FOO, + message_module.ForeignEnum.Value('FOREIGN_FOO')) + self.assertEqual(message_module.FOREIGN_FOO, + message_module.ForeignEnum.FOREIGN_FOO) + + self.assertEqual(message_module.FOREIGN_BAR, + message_module.ForeignEnum.Value('FOREIGN_BAR')) + self.assertEqual(message_module.FOREIGN_BAR, + message_module.ForeignEnum.FOREIGN_BAR) + + self.assertEqual(message_module.FOREIGN_BAZ, + message_module.ForeignEnum.Value('FOREIGN_BAZ')) + self.assertEqual(message_module.FOREIGN_BAZ, + message_module.ForeignEnum.FOREIGN_BAZ) + + self.assertRaises(ValueError, + message_module.ForeignEnum.Value, 'FO') + with self.assertRaises(AttributeError): + message_module.ForeignEnum.FO + + proto = message_module.TestAllTypes() + self.assertEqual(proto.FOO, + proto.NestedEnum.Value('FOO')) + self.assertEqual(proto.FOO, + proto.NestedEnum.FOO) + + self.assertEqual(proto.FOO, + message_module.TestAllTypes.NestedEnum.Value('FOO')) + self.assertEqual(proto.FOO, + message_module.TestAllTypes.NestedEnum.FOO) + + self.assertEqual(proto.BAR, + proto.NestedEnum.Value('BAR')) + self.assertEqual(proto.BAR, + proto.NestedEnum.BAR) + + self.assertEqual(proto.BAR, + message_module.TestAllTypes.NestedEnum.Value('BAR')) + self.assertEqual(proto.BAR, + message_module.TestAllTypes.NestedEnum.BAR) + + self.assertEqual(proto.BAZ, + proto.NestedEnum.Value('BAZ')) + self.assertEqual(proto.BAZ, + proto.NestedEnum.BAZ) + + self.assertEqual(proto.BAZ, + message_module.TestAllTypes.NestedEnum.Value('BAZ')) + self.assertEqual(proto.BAZ, + message_module.TestAllTypes.NestedEnum.BAZ) + + self.assertRaises(ValueError, + proto.NestedEnum.Value, 'Foo') + with self.assertRaises(AttributeError): + proto.NestedEnum.Value.Foo + + self.assertRaises(ValueError, + message_module.TestAllTypes.NestedEnum.Value, 'Foo') + with self.assertRaises(AttributeError): + message_module.TestAllTypes.NestedEnum.Value.Foo + + def testEnum_KeysAndValues(self, message_module): + if message_module == unittest_pb2: + keys = ['FOREIGN_FOO', 'FOREIGN_BAR', 'FOREIGN_BAZ'] + values = [4, 5, 6] + items = [('FOREIGN_FOO', 4), ('FOREIGN_BAR', 5), ('FOREIGN_BAZ', 6)] + else: + keys = ['FOREIGN_ZERO', 'FOREIGN_FOO', 'FOREIGN_BAR', 'FOREIGN_BAZ'] + values = [0, 4, 5, 6] + items = [('FOREIGN_ZERO', 0), ('FOREIGN_FOO', 4), + ('FOREIGN_BAR', 5), ('FOREIGN_BAZ', 6)] + self.assertEqual(keys, + list(message_module.ForeignEnum.keys())) + self.assertEqual(values, + list(message_module.ForeignEnum.values())) + self.assertEqual(items, + list(message_module.ForeignEnum.items())) + + proto = message_module.TestAllTypes() + if message_module == unittest_pb2: + keys = ['FOO', 'BAR', 'BAZ', 'NEG'] + values = [1, 2, 3, -1] + items = [('FOO', 1), ('BAR', 2), ('BAZ', 3), ('NEG', -1)] + else: + keys = ['ZERO', 'FOO', 'BAR', 'BAZ', 'NEG'] + values = [0, 1, 2, 3, -1] + items = [('ZERO', 0), ('FOO', 1), ('BAR', 2), ('BAZ', 3), ('NEG', -1)] + self.assertEqual(keys, list(proto.NestedEnum.keys())) + self.assertEqual(values, list(proto.NestedEnum.values())) + self.assertEqual(items, + list(proto.NestedEnum.items())) + + def testStaticParseFrom(self, message_module): + proto1 = message_module.TestAllTypes() + test_util.SetAllFields(proto1) + + string1 = proto1.SerializeToString() + proto2 = message_module.TestAllTypes.FromString(string1) + + # Messages should be equal. + self.assertEqual(proto2, proto1) + + def testMergeFromSingularField(self, message_module): + # Test merge with just a singular field. + proto1 = message_module.TestAllTypes() + proto1.optional_int32 = 1 + + proto2 = message_module.TestAllTypes() + # This shouldn't get overwritten. + proto2.optional_string = 'value' + + proto2.MergeFrom(proto1) + self.assertEqual(1, proto2.optional_int32) + self.assertEqual('value', proto2.optional_string) + + def testMergeFromRepeatedField(self, message_module): + # Test merge with just a repeated field. + proto1 = message_module.TestAllTypes() + proto1.repeated_int32.append(1) + proto1.repeated_int32.append(2) + + proto2 = message_module.TestAllTypes() + proto2.repeated_int32.append(0) + proto2.MergeFrom(proto1) + + self.assertEqual(0, proto2.repeated_int32[0]) + self.assertEqual(1, proto2.repeated_int32[1]) + self.assertEqual(2, proto2.repeated_int32[2]) + + def testMergeFromRepeatedNestedMessage(self, message_module): + # Test merge with a repeated nested message. + proto1 = message_module.TestAllTypes() + m = proto1.repeated_nested_message.add() + m.bb = 123 + m = proto1.repeated_nested_message.add() + m.bb = 321 + + proto2 = message_module.TestAllTypes() + m = proto2.repeated_nested_message.add() + m.bb = 999 + proto2.MergeFrom(proto1) + self.assertEqual(999, proto2.repeated_nested_message[0].bb) + self.assertEqual(123, proto2.repeated_nested_message[1].bb) + self.assertEqual(321, proto2.repeated_nested_message[2].bb) + + proto3 = message_module.TestAllTypes() + proto3.repeated_nested_message.MergeFrom(proto2.repeated_nested_message) + self.assertEqual(999, proto3.repeated_nested_message[0].bb) + self.assertEqual(123, proto3.repeated_nested_message[1].bb) + self.assertEqual(321, proto3.repeated_nested_message[2].bb) + + def testMergeFromAllFields(self, message_module): + # With all fields set. + proto1 = message_module.TestAllTypes() + test_util.SetAllFields(proto1) + proto2 = message_module.TestAllTypes() + proto2.MergeFrom(proto1) + + # Messages should be equal. + self.assertEqual(proto2, proto1) + + # Serialized string should be equal too. + string1 = proto1.SerializeToString() + string2 = proto2.SerializeToString() + self.assertEqual(string1, string2) + + def testMergeFromBug(self, message_module): + message1 = message_module.TestAllTypes() + message2 = message_module.TestAllTypes() + + # Cause optional_nested_message to be instantiated within message1, even + # though it is not considered to be "present". + message1.optional_nested_message + self.assertFalse(message1.HasField('optional_nested_message')) + + # Merge into message2. This should not instantiate the field is message2. + message2.MergeFrom(message1) + self.assertFalse(message2.HasField('optional_nested_message')) + + def testCopyFromSingularField(self, message_module): + # Test copy with just a singular field. + proto1 = message_module.TestAllTypes() + proto1.optional_int32 = 1 + proto1.optional_string = 'important-text' + + proto2 = message_module.TestAllTypes() + proto2.optional_string = 'value' + + proto2.CopyFrom(proto1) + self.assertEqual(1, proto2.optional_int32) + self.assertEqual('important-text', proto2.optional_string) + + def testCopyFromRepeatedField(self, message_module): + # Test copy with a repeated field. + proto1 = message_module.TestAllTypes() + proto1.repeated_int32.append(1) + proto1.repeated_int32.append(2) + + proto2 = message_module.TestAllTypes() + proto2.repeated_int32.append(0) + proto2.CopyFrom(proto1) + + self.assertEqual(1, proto2.repeated_int32[0]) + self.assertEqual(2, proto2.repeated_int32[1]) + + def testCopyFromAllFields(self, message_module): + # With all fields set. + proto1 = message_module.TestAllTypes() + test_util.SetAllFields(proto1) + proto2 = message_module.TestAllTypes() + proto2.CopyFrom(proto1) + + # Messages should be equal. + self.assertEqual(proto2, proto1) + + # Serialized string should be equal too. + string1 = proto1.SerializeToString() + string2 = proto2.SerializeToString() + self.assertEqual(string1, string2) + + def testCopyFromSelf(self, message_module): + proto1 = message_module.TestAllTypes() + proto1.repeated_int32.append(1) + proto1.optional_int32 = 2 + proto1.optional_string = 'important-text' + + proto1.CopyFrom(proto1) + self.assertEqual(1, proto1.repeated_int32[0]) + self.assertEqual(2, proto1.optional_int32) + self.assertEqual('important-text', proto1.optional_string) + + def testDeepCopy(self, message_module): + proto1 = message_module.TestAllTypes() + proto1.optional_int32 = 1 + proto2 = copy.deepcopy(proto1) + self.assertEqual(1, proto2.optional_int32) + + proto1.repeated_int32.append(2) + proto1.repeated_int32.append(3) + container = copy.deepcopy(proto1.repeated_int32) + self.assertEqual([2, 3], container) + container.remove(container[0]) + self.assertEqual([3], container) + + message1 = proto1.repeated_nested_message.add() + message1.bb = 1 + messages = copy.deepcopy(proto1.repeated_nested_message) + self.assertEqual(proto1.repeated_nested_message, messages) + message1.bb = 2 + self.assertNotEqual(proto1.repeated_nested_message, messages) + messages.remove(messages[0]) + self.assertEqual(len(messages), 0) + + # TODO(anuraag): Implement deepcopy for extension dict + + def testDisconnectingBeforeClear(self, message_module): + proto = message_module.TestAllTypes() + nested = proto.optional_nested_message + proto.Clear() + self.assertIsNot(nested, proto.optional_nested_message) + nested.bb = 23 + self.assertFalse(proto.HasField('optional_nested_message')) + self.assertEqual(0, proto.optional_nested_message.bb) + + proto = message_module.TestAllTypes() + nested = proto.optional_nested_message + nested.bb = 5 + foreign = proto.optional_foreign_message + foreign.c = 6 + proto.Clear() + self.assertIsNot(nested, proto.optional_nested_message) + self.assertIsNot(foreign, proto.optional_foreign_message) + self.assertEqual(5, nested.bb) + self.assertEqual(6, foreign.c) + nested.bb = 15 + foreign.c = 16 + self.assertFalse(proto.HasField('optional_nested_message')) + self.assertEqual(0, proto.optional_nested_message.bb) + self.assertFalse(proto.HasField('optional_foreign_message')) + self.assertEqual(0, proto.optional_foreign_message.c) + + def testStringUTF8Encoding(self, message_module): + proto = message_module.TestAllTypes() + + # Assignment of a unicode object to a field of type 'bytes' is not allowed. + self.assertRaises(TypeError, + setattr, proto, 'optional_bytes', u'unicode object') + + # Check that the default value is of python's 'unicode' type. + self.assertEqual(type(proto.optional_string), str) + + proto.optional_string = str('Testing') + self.assertEqual(proto.optional_string, str('Testing')) + + # Assign a value of type 'str' which can be encoded in UTF-8. + proto.optional_string = str('Testing') + self.assertEqual(proto.optional_string, str('Testing')) + + # Try to assign a 'bytes' object which contains non-UTF-8. + self.assertRaises(ValueError, + setattr, proto, 'optional_string', b'a\x80a') + # No exception: Assign already encoded UTF-8 bytes to a string field. + utf8_bytes = u'Тест'.encode('utf-8') + proto.optional_string = utf8_bytes + # No exception: Assign the a non-ascii unicode object. + proto.optional_string = u'Тест' + # No exception thrown (normal str assignment containing ASCII). + proto.optional_string = 'abc' + + def testBytesInTextFormat(self, message_module): + proto = message_module.TestAllTypes(optional_bytes=b'\x00\x7f\x80\xff') + self.assertEqual(u'optional_bytes: "\\000\\177\\200\\377"\n', str(proto)) + + def testEmptyNestedMessage(self, message_module): + proto = message_module.TestAllTypes() + proto.optional_nested_message.MergeFrom( + message_module.TestAllTypes.NestedMessage()) + self.assertTrue(proto.HasField('optional_nested_message')) + + proto = message_module.TestAllTypes() + proto.optional_nested_message.CopyFrom( + message_module.TestAllTypes.NestedMessage()) + self.assertTrue(proto.HasField('optional_nested_message')) + + proto = message_module.TestAllTypes() + bytes_read = proto.optional_nested_message.MergeFromString(b'') + self.assertEqual(0, bytes_read) + self.assertTrue(proto.HasField('optional_nested_message')) + + proto = message_module.TestAllTypes() + proto.optional_nested_message.ParseFromString(b'') + self.assertTrue(proto.HasField('optional_nested_message')) + + serialized = proto.SerializeToString() + proto2 = message_module.TestAllTypes() + self.assertEqual( + len(serialized), + proto2.MergeFromString(serialized)) + self.assertTrue(proto2.HasField('optional_nested_message')) + + +# Class to test proto2-only features (required, extensions, etc.) +@testing_refleaks.TestCase +class Proto2ReflectionTest(unittest.TestCase): + + def testRepeatedCompositeConstructor(self): + # Constructor with only repeated composite types should succeed. + proto = unittest_pb2.TestAllTypes( + repeated_nested_message=[ + unittest_pb2.TestAllTypes.NestedMessage( + bb=unittest_pb2.TestAllTypes.FOO), + unittest_pb2.TestAllTypes.NestedMessage( + bb=unittest_pb2.TestAllTypes.BAR)], + repeated_foreign_message=[ + unittest_pb2.ForeignMessage(c=-43), + unittest_pb2.ForeignMessage(c=45324), + unittest_pb2.ForeignMessage(c=12)], + repeatedgroup=[ + unittest_pb2.TestAllTypes.RepeatedGroup(), + unittest_pb2.TestAllTypes.RepeatedGroup(a=1), + unittest_pb2.TestAllTypes.RepeatedGroup(a=2)]) + + self.assertEqual( + [unittest_pb2.TestAllTypes.NestedMessage( + bb=unittest_pb2.TestAllTypes.FOO), + unittest_pb2.TestAllTypes.NestedMessage( + bb=unittest_pb2.TestAllTypes.BAR)], + list(proto.repeated_nested_message)) + self.assertEqual( + [unittest_pb2.ForeignMessage(c=-43), + unittest_pb2.ForeignMessage(c=45324), + unittest_pb2.ForeignMessage(c=12)], + list(proto.repeated_foreign_message)) + self.assertEqual( + [unittest_pb2.TestAllTypes.RepeatedGroup(), + unittest_pb2.TestAllTypes.RepeatedGroup(a=1), + unittest_pb2.TestAllTypes.RepeatedGroup(a=2)], + list(proto.repeatedgroup)) + + def assertListsEqual(self, values, others): + self.assertEqual(len(values), len(others)) + for i in range(len(values)): + self.assertEqual(values[i], others[i]) + + def testSimpleHasBits(self): + # Test a scalar. + proto = unittest_pb2.TestAllTypes() + self.assertFalse(proto.HasField('optional_int32')) + self.assertEqual(0, proto.optional_int32) + # HasField() shouldn't be true if all we've done is + # read the default value. + self.assertFalse(proto.HasField('optional_int32')) + proto.optional_int32 = 1 + # Setting a value however *should* set the "has" bit. + self.assertTrue(proto.HasField('optional_int32')) + proto.ClearField('optional_int32') + # And clearing that value should unset the "has" bit. + self.assertFalse(proto.HasField('optional_int32')) + + def testHasBitsWithSinglyNestedScalar(self): + # Helper used to test foreign messages and groups. + # + # composite_field_name should be the name of a non-repeated + # composite (i.e., foreign or group) field in TestAllTypes, + # and scalar_field_name should be the name of an integer-valued + # scalar field within that composite. + # + # I never thought I'd miss C++ macros and templates so much. :( + # This helper is semantically just: + # + # assert proto.composite_field.scalar_field == 0 + # assert not proto.composite_field.HasField('scalar_field') + # assert not proto.HasField('composite_field') + # + # proto.composite_field.scalar_field = 10 + # old_composite_field = proto.composite_field + # + # assert proto.composite_field.scalar_field == 10 + # assert proto.composite_field.HasField('scalar_field') + # assert proto.HasField('composite_field') + # + # proto.ClearField('composite_field') + # + # assert not proto.composite_field.HasField('scalar_field') + # assert not proto.HasField('composite_field') + # assert proto.composite_field.scalar_field == 0 + # + # # Now ensure that ClearField('composite_field') disconnected + # # the old field object from the object tree... + # assert old_composite_field is not proto.composite_field + # old_composite_field.scalar_field = 20 + # assert not proto.composite_field.HasField('scalar_field') + # assert not proto.HasField('composite_field') + def TestCompositeHasBits(composite_field_name, scalar_field_name): + proto = unittest_pb2.TestAllTypes() + # First, check that we can get the scalar value, and see that it's the + # default (0), but that proto.HasField('omposite') and + # proto.composite.HasField('scalar') will still return False. + composite_field = getattr(proto, composite_field_name) + original_scalar_value = getattr(composite_field, scalar_field_name) + self.assertEqual(0, original_scalar_value) + # Assert that the composite object does not "have" the scalar. + self.assertFalse(composite_field.HasField(scalar_field_name)) + # Assert that proto does not "have" the composite field. + self.assertFalse(proto.HasField(composite_field_name)) + + # Now set the scalar within the composite field. Ensure that the setting + # is reflected, and that proto.HasField('composite') and + # proto.composite.HasField('scalar') now both return True. + new_val = 20 + setattr(composite_field, scalar_field_name, new_val) + self.assertEqual(new_val, getattr(composite_field, scalar_field_name)) + # Hold on to a reference to the current composite_field object. + old_composite_field = composite_field + # Assert that the has methods now return true. + self.assertTrue(composite_field.HasField(scalar_field_name)) + self.assertTrue(proto.HasField(composite_field_name)) + + # Now call the clear method... + proto.ClearField(composite_field_name) + + # ...and ensure that the "has" bits are all back to False... + composite_field = getattr(proto, composite_field_name) + self.assertFalse(composite_field.HasField(scalar_field_name)) + self.assertFalse(proto.HasField(composite_field_name)) + # ...and ensure that the scalar field has returned to its default. + self.assertEqual(0, getattr(composite_field, scalar_field_name)) + + self.assertIsNot(old_composite_field, composite_field) + setattr(old_composite_field, scalar_field_name, new_val) + self.assertFalse(composite_field.HasField(scalar_field_name)) + self.assertFalse(proto.HasField(composite_field_name)) + self.assertEqual(0, getattr(composite_field, scalar_field_name)) + + # Test simple, single-level nesting when we set a scalar. + TestCompositeHasBits('optionalgroup', 'a') + TestCompositeHasBits('optional_nested_message', 'bb') + TestCompositeHasBits('optional_foreign_message', 'c') + TestCompositeHasBits('optional_import_message', 'd') + + def testHasBitsWhenModifyingRepeatedFields(self): + # Test nesting when we add an element to a repeated field in a submessage. + proto = unittest_pb2.TestNestedMessageHasBits() + proto.optional_nested_message.nestedmessage_repeated_int32.append(5) + self.assertEqual( + [5], proto.optional_nested_message.nestedmessage_repeated_int32) + self.assertTrue(proto.HasField('optional_nested_message')) + + # Do the same test, but with a repeated composite field within the + # submessage. + proto.ClearField('optional_nested_message') + self.assertFalse(proto.HasField('optional_nested_message')) + proto.optional_nested_message.nestedmessage_repeated_foreignmessage.add() + self.assertTrue(proto.HasField('optional_nested_message')) + + def testHasBitsForManyLevelsOfNesting(self): + # Test nesting many levels deep. + recursive_proto = unittest_pb2.TestMutualRecursionA() + self.assertFalse(recursive_proto.HasField('bb')) + self.assertEqual(0, recursive_proto.bb.a.bb.a.bb.optional_int32) + self.assertFalse(recursive_proto.HasField('bb')) + recursive_proto.bb.a.bb.a.bb.optional_int32 = 5 + self.assertEqual(5, recursive_proto.bb.a.bb.a.bb.optional_int32) + self.assertTrue(recursive_proto.HasField('bb')) + self.assertTrue(recursive_proto.bb.HasField('a')) + self.assertTrue(recursive_proto.bb.a.HasField('bb')) + self.assertTrue(recursive_proto.bb.a.bb.HasField('a')) + self.assertTrue(recursive_proto.bb.a.bb.a.HasField('bb')) + self.assertFalse(recursive_proto.bb.a.bb.a.bb.HasField('a')) + self.assertTrue(recursive_proto.bb.a.bb.a.bb.HasField('optional_int32')) + + def testSingularListExtensions(self): + proto = unittest_pb2.TestAllExtensions() + proto.Extensions[unittest_pb2.optional_fixed32_extension] = 1 + proto.Extensions[unittest_pb2.optional_int32_extension ] = 5 + proto.Extensions[unittest_pb2.optional_string_extension ] = 'foo' + self.assertEqual( + [ (unittest_pb2.optional_int32_extension , 5), + (unittest_pb2.optional_fixed32_extension, 1), + (unittest_pb2.optional_string_extension , 'foo') ], + proto.ListFields()) + del proto.Extensions[unittest_pb2.optional_fixed32_extension] + self.assertEqual( + [(unittest_pb2.optional_int32_extension, 5), + (unittest_pb2.optional_string_extension, 'foo')], + proto.ListFields()) + + def testRepeatedListExtensions(self): + proto = unittest_pb2.TestAllExtensions() + proto.Extensions[unittest_pb2.repeated_fixed32_extension].append(1) + proto.Extensions[unittest_pb2.repeated_int32_extension ].append(5) + proto.Extensions[unittest_pb2.repeated_int32_extension ].append(11) + proto.Extensions[unittest_pb2.repeated_string_extension ].append('foo') + proto.Extensions[unittest_pb2.repeated_string_extension ].append('bar') + proto.Extensions[unittest_pb2.repeated_string_extension ].append('baz') + proto.Extensions[unittest_pb2.optional_int32_extension ] = 21 + self.assertEqual( + [ (unittest_pb2.optional_int32_extension , 21), + (unittest_pb2.repeated_int32_extension , [5, 11]), + (unittest_pb2.repeated_fixed32_extension, [1]), + (unittest_pb2.repeated_string_extension , ['foo', 'bar', 'baz']) ], + proto.ListFields()) + del proto.Extensions[unittest_pb2.repeated_int32_extension] + del proto.Extensions[unittest_pb2.repeated_string_extension] + self.assertEqual( + [(unittest_pb2.optional_int32_extension, 21), + (unittest_pb2.repeated_fixed32_extension, [1])], + proto.ListFields()) + + def testListFieldsAndExtensions(self): + proto = unittest_pb2.TestFieldOrderings() + test_util.SetAllFieldsAndExtensions(proto) + unittest_pb2.my_extension_int + self.assertEqual( + [ (proto.DESCRIPTOR.fields_by_name['my_int' ], 1), + (unittest_pb2.my_extension_int , 23), + (proto.DESCRIPTOR.fields_by_name['my_string'], 'foo'), + (unittest_pb2.my_extension_string , 'bar'), + (proto.DESCRIPTOR.fields_by_name['my_float' ], 1.0) ], + proto.ListFields()) + + def testDefaultValues(self): + proto = unittest_pb2.TestAllTypes() + self.assertEqual(0, proto.optional_int32) + self.assertEqual(0, proto.optional_int64) + self.assertEqual(0, proto.optional_uint32) + self.assertEqual(0, proto.optional_uint64) + self.assertEqual(0, proto.optional_sint32) + self.assertEqual(0, proto.optional_sint64) + self.assertEqual(0, proto.optional_fixed32) + self.assertEqual(0, proto.optional_fixed64) + self.assertEqual(0, proto.optional_sfixed32) + self.assertEqual(0, proto.optional_sfixed64) + self.assertEqual(0.0, proto.optional_float) + self.assertEqual(0.0, proto.optional_double) + self.assertEqual(False, proto.optional_bool) + self.assertEqual('', proto.optional_string) + self.assertEqual(b'', proto.optional_bytes) + + self.assertEqual(41, proto.default_int32) + self.assertEqual(42, proto.default_int64) + self.assertEqual(43, proto.default_uint32) + self.assertEqual(44, proto.default_uint64) + self.assertEqual(-45, proto.default_sint32) + self.assertEqual(46, proto.default_sint64) + self.assertEqual(47, proto.default_fixed32) + self.assertEqual(48, proto.default_fixed64) + self.assertEqual(49, proto.default_sfixed32) + self.assertEqual(-50, proto.default_sfixed64) + self.assertEqual(51.5, proto.default_float) + self.assertEqual(52e3, proto.default_double) + self.assertEqual(True, proto.default_bool) + self.assertEqual('hello', proto.default_string) + self.assertEqual(b'world', proto.default_bytes) + self.assertEqual(unittest_pb2.TestAllTypes.BAR, proto.default_nested_enum) + self.assertEqual(unittest_pb2.FOREIGN_BAR, proto.default_foreign_enum) + self.assertEqual(unittest_import_pb2.IMPORT_BAR, + proto.default_import_enum) + + proto = unittest_pb2.TestExtremeDefaultValues() + self.assertEqual(u'\u1234', proto.utf8_string) + + def testHasFieldWithUnknownFieldName(self): + proto = unittest_pb2.TestAllTypes() + self.assertRaises(ValueError, proto.HasField, 'nonexistent_field') + + def testClearRemovesChildren(self): + # Make sure there aren't any implementation bugs that are only partially + # clearing the message (which can happen in the more complex C++ + # implementation which has parallel message lists). + proto = unittest_pb2.TestRequiredForeign() + for i in range(10): + proto.repeated_message.add() + proto2 = unittest_pb2.TestRequiredForeign() + proto.CopyFrom(proto2) + self.assertRaises(IndexError, lambda: proto.repeated_message[5]) + + def testSingleScalarClearField(self): + proto = unittest_pb2.TestAllTypes() + # Should be allowed to clear something that's not there (a no-op). + proto.ClearField('optional_int32') + proto.optional_int32 = 1 + self.assertTrue(proto.HasField('optional_int32')) + proto.ClearField('optional_int32') + self.assertEqual(0, proto.optional_int32) + self.assertFalse(proto.HasField('optional_int32')) + # TODO(robinson): Test all other scalar field types. + + def testRepeatedScalars(self): + proto = unittest_pb2.TestAllTypes() + + self.assertFalse(proto.repeated_int32) + self.assertEqual(0, len(proto.repeated_int32)) + proto.repeated_int32.append(5) + proto.repeated_int32.append(10) + proto.repeated_int32.append(15) + self.assertTrue(proto.repeated_int32) + self.assertEqual(3, len(proto.repeated_int32)) + + self.assertEqual([5, 10, 15], proto.repeated_int32) + + # Test single retrieval. + self.assertEqual(5, proto.repeated_int32[0]) + self.assertEqual(15, proto.repeated_int32[-1]) + # Test out-of-bounds indices. + self.assertRaises(IndexError, proto.repeated_int32.__getitem__, 1234) + self.assertRaises(IndexError, proto.repeated_int32.__getitem__, -1234) + # Test incorrect types passed to __getitem__. + self.assertRaises(TypeError, proto.repeated_int32.__getitem__, 'foo') + self.assertRaises(TypeError, proto.repeated_int32.__getitem__, None) + + # Test single assignment. + proto.repeated_int32[1] = 20 + self.assertEqual([5, 20, 15], proto.repeated_int32) + + # Test insertion. + proto.repeated_int32.insert(1, 25) + self.assertEqual([5, 25, 20, 15], proto.repeated_int32) + + # Test slice retrieval. + proto.repeated_int32.append(30) + self.assertEqual([25, 20, 15], proto.repeated_int32[1:4]) + self.assertEqual([5, 25, 20, 15, 30], proto.repeated_int32[:]) + + # Test slice assignment with an iterator + proto.repeated_int32[1:4] = (i for i in range(3)) + self.assertEqual([5, 0, 1, 2, 30], proto.repeated_int32) + + # Test slice assignment. + proto.repeated_int32[1:4] = [35, 40, 45] + self.assertEqual([5, 35, 40, 45, 30], proto.repeated_int32) + + # Test that we can use the field as an iterator. + result = [] + for i in proto.repeated_int32: + result.append(i) + self.assertEqual([5, 35, 40, 45, 30], result) + + # Test single deletion. + del proto.repeated_int32[2] + self.assertEqual([5, 35, 45, 30], proto.repeated_int32) + + # Test slice deletion. + del proto.repeated_int32[2:] + self.assertEqual([5, 35], proto.repeated_int32) + + # Test extending. + proto.repeated_int32.extend([3, 13]) + self.assertEqual([5, 35, 3, 13], proto.repeated_int32) + + # Test clearing. + proto.ClearField('repeated_int32') + self.assertFalse(proto.repeated_int32) + self.assertEqual(0, len(proto.repeated_int32)) + + proto.repeated_int32.append(1) + self.assertEqual(1, proto.repeated_int32[-1]) + # Test assignment to a negative index. + proto.repeated_int32[-1] = 2 + self.assertEqual(2, proto.repeated_int32[-1]) + + # Test deletion at negative indices. + proto.repeated_int32[:] = [0, 1, 2, 3] + del proto.repeated_int32[-1] + self.assertEqual([0, 1, 2], proto.repeated_int32) + + del proto.repeated_int32[-2] + self.assertEqual([0, 2], proto.repeated_int32) + + self.assertRaises(IndexError, proto.repeated_int32.__delitem__, -3) + self.assertRaises(IndexError, proto.repeated_int32.__delitem__, 300) + + del proto.repeated_int32[-2:-1] + self.assertEqual([2], proto.repeated_int32) + + del proto.repeated_int32[100:10000] + self.assertEqual([2], proto.repeated_int32) + + def testRepeatedScalarsRemove(self): + proto = unittest_pb2.TestAllTypes() + + self.assertFalse(proto.repeated_int32) + self.assertEqual(0, len(proto.repeated_int32)) + proto.repeated_int32.append(5) + proto.repeated_int32.append(10) + proto.repeated_int32.append(5) + proto.repeated_int32.append(5) + + self.assertEqual(4, len(proto.repeated_int32)) + proto.repeated_int32.remove(5) + self.assertEqual(3, len(proto.repeated_int32)) + self.assertEqual(10, proto.repeated_int32[0]) + self.assertEqual(5, proto.repeated_int32[1]) + self.assertEqual(5, proto.repeated_int32[2]) + + proto.repeated_int32.remove(5) + self.assertEqual(2, len(proto.repeated_int32)) + self.assertEqual(10, proto.repeated_int32[0]) + self.assertEqual(5, proto.repeated_int32[1]) + + proto.repeated_int32.remove(10) + self.assertEqual(1, len(proto.repeated_int32)) + self.assertEqual(5, proto.repeated_int32[0]) + + # Remove a non-existent element. + self.assertRaises(ValueError, proto.repeated_int32.remove, 123) + + def testRepeatedScalarsReverse_Empty(self): + proto = unittest_pb2.TestAllTypes() + + self.assertFalse(proto.repeated_int32) + self.assertEqual(0, len(proto.repeated_int32)) + + self.assertIsNone(proto.repeated_int32.reverse()) + + self.assertFalse(proto.repeated_int32) + self.assertEqual(0, len(proto.repeated_int32)) + + def testRepeatedScalarsReverse_NonEmpty(self): + proto = unittest_pb2.TestAllTypes() + + self.assertFalse(proto.repeated_int32) + self.assertEqual(0, len(proto.repeated_int32)) + + proto.repeated_int32.append(1) + proto.repeated_int32.append(2) + proto.repeated_int32.append(3) + proto.repeated_int32.append(4) + + self.assertEqual(4, len(proto.repeated_int32)) + + self.assertIsNone(proto.repeated_int32.reverse()) + + self.assertEqual(4, len(proto.repeated_int32)) + self.assertEqual(4, proto.repeated_int32[0]) + self.assertEqual(3, proto.repeated_int32[1]) + self.assertEqual(2, proto.repeated_int32[2]) + self.assertEqual(1, proto.repeated_int32[3]) + + def testRepeatedComposites(self): + proto = unittest_pb2.TestAllTypes() + self.assertFalse(proto.repeated_nested_message) + self.assertEqual(0, len(proto.repeated_nested_message)) + m0 = proto.repeated_nested_message.add() + m1 = proto.repeated_nested_message.add() + self.assertTrue(proto.repeated_nested_message) + self.assertEqual(2, len(proto.repeated_nested_message)) + self.assertListsEqual([m0, m1], proto.repeated_nested_message) + self.assertIsInstance(m0, unittest_pb2.TestAllTypes.NestedMessage) + + # Test out-of-bounds indices. + self.assertRaises(IndexError, proto.repeated_nested_message.__getitem__, + 1234) + self.assertRaises(IndexError, proto.repeated_nested_message.__getitem__, + -1234) + + # Test incorrect types passed to __getitem__. + self.assertRaises(TypeError, proto.repeated_nested_message.__getitem__, + 'foo') + self.assertRaises(TypeError, proto.repeated_nested_message.__getitem__, + None) + + # Test slice retrieval. + m2 = proto.repeated_nested_message.add() + m3 = proto.repeated_nested_message.add() + m4 = proto.repeated_nested_message.add() + self.assertListsEqual( + [m1, m2, m3], proto.repeated_nested_message[1:4]) + self.assertListsEqual( + [m0, m1, m2, m3, m4], proto.repeated_nested_message[:]) + self.assertListsEqual( + [m0, m1], proto.repeated_nested_message[:2]) + self.assertListsEqual( + [m2, m3, m4], proto.repeated_nested_message[2:]) + self.assertEqual( + m0, proto.repeated_nested_message[0]) + self.assertListsEqual( + [m0], proto.repeated_nested_message[:1]) + + # Test that we can use the field as an iterator. + result = [] + for i in proto.repeated_nested_message: + result.append(i) + self.assertListsEqual([m0, m1, m2, m3, m4], result) + + # Test single deletion. + del proto.repeated_nested_message[2] + self.assertListsEqual([m0, m1, m3, m4], proto.repeated_nested_message) + + # Test slice deletion. + del proto.repeated_nested_message[2:] + self.assertListsEqual([m0, m1], proto.repeated_nested_message) + + # Test extending. + n1 = unittest_pb2.TestAllTypes.NestedMessage(bb=1) + n2 = unittest_pb2.TestAllTypes.NestedMessage(bb=2) + proto.repeated_nested_message.extend([n1,n2]) + self.assertEqual(4, len(proto.repeated_nested_message)) + self.assertEqual(n1, proto.repeated_nested_message[2]) + self.assertEqual(n2, proto.repeated_nested_message[3]) + self.assertRaises(TypeError, + proto.repeated_nested_message.extend, n1) + self.assertRaises(TypeError, + proto.repeated_nested_message.extend, [0]) + wrong_message_type = unittest_pb2.TestAllTypes() + self.assertRaises(TypeError, + proto.repeated_nested_message.extend, + [wrong_message_type]) + + # Test clearing. + proto.ClearField('repeated_nested_message') + self.assertFalse(proto.repeated_nested_message) + self.assertEqual(0, len(proto.repeated_nested_message)) + + # Test constructing an element while adding it. + proto.repeated_nested_message.add(bb=23) + self.assertEqual(1, len(proto.repeated_nested_message)) + self.assertEqual(23, proto.repeated_nested_message[0].bb) + self.assertRaises(TypeError, proto.repeated_nested_message.add, 23) + with self.assertRaises(Exception): + proto.repeated_nested_message[0] = 23 + + def testRepeatedCompositeRemove(self): + proto = unittest_pb2.TestAllTypes() + + self.assertEqual(0, len(proto.repeated_nested_message)) + m0 = proto.repeated_nested_message.add() + # Need to set some differentiating variable so m0 != m1 != m2: + m0.bb = len(proto.repeated_nested_message) + m1 = proto.repeated_nested_message.add() + m1.bb = len(proto.repeated_nested_message) + self.assertTrue(m0 != m1) + m2 = proto.repeated_nested_message.add() + m2.bb = len(proto.repeated_nested_message) + self.assertListsEqual([m0, m1, m2], proto.repeated_nested_message) + + self.assertEqual(3, len(proto.repeated_nested_message)) + proto.repeated_nested_message.remove(m0) + self.assertEqual(2, len(proto.repeated_nested_message)) + self.assertEqual(m1, proto.repeated_nested_message[0]) + self.assertEqual(m2, proto.repeated_nested_message[1]) + + # Removing m0 again or removing None should raise error + self.assertRaises(ValueError, proto.repeated_nested_message.remove, m0) + self.assertRaises(ValueError, proto.repeated_nested_message.remove, None) + self.assertEqual(2, len(proto.repeated_nested_message)) + + proto.repeated_nested_message.remove(m2) + self.assertEqual(1, len(proto.repeated_nested_message)) + self.assertEqual(m1, proto.repeated_nested_message[0]) + + def testRepeatedCompositeReverse_Empty(self): + proto = unittest_pb2.TestAllTypes() + + self.assertFalse(proto.repeated_nested_message) + self.assertEqual(0, len(proto.repeated_nested_message)) + + self.assertIsNone(proto.repeated_nested_message.reverse()) + + self.assertFalse(proto.repeated_nested_message) + self.assertEqual(0, len(proto.repeated_nested_message)) + + def testRepeatedCompositeReverse_NonEmpty(self): + proto = unittest_pb2.TestAllTypes() + + self.assertFalse(proto.repeated_nested_message) + self.assertEqual(0, len(proto.repeated_nested_message)) + + m0 = proto.repeated_nested_message.add() + m0.bb = len(proto.repeated_nested_message) + m1 = proto.repeated_nested_message.add() + m1.bb = len(proto.repeated_nested_message) + m2 = proto.repeated_nested_message.add() + m2.bb = len(proto.repeated_nested_message) + self.assertListsEqual([m0, m1, m2], proto.repeated_nested_message) + + self.assertIsNone(proto.repeated_nested_message.reverse()) + + self.assertListsEqual([m2, m1, m0], proto.repeated_nested_message) + + def testHandWrittenReflection(self): + # Hand written extensions are only supported by the pure-Python + # implementation of the API. + if api_implementation.Type() != 'python': + return + + FieldDescriptor = descriptor.FieldDescriptor + foo_field_descriptor = FieldDescriptor( + name='foo_field', full_name='MyProto.foo_field', + index=0, number=1, type=FieldDescriptor.TYPE_INT64, + cpp_type=FieldDescriptor.CPPTYPE_INT64, + label=FieldDescriptor.LABEL_OPTIONAL, default_value=0, + containing_type=None, message_type=None, enum_type=None, + is_extension=False, extension_scope=None, + options=descriptor_pb2.FieldOptions(), + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + mydescriptor = descriptor.Descriptor( + name='MyProto', full_name='MyProto', filename='ignored', + containing_type=None, nested_types=[], enum_types=[], + fields=[foo_field_descriptor], extensions=[], + options=descriptor_pb2.MessageOptions(), + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + + class MyProtoClass( + message.Message, metaclass=reflection.GeneratedProtocolMessageType): + DESCRIPTOR = mydescriptor + myproto_instance = MyProtoClass() + self.assertEqual(0, myproto_instance.foo_field) + self.assertFalse(myproto_instance.HasField('foo_field')) + myproto_instance.foo_field = 23 + self.assertEqual(23, myproto_instance.foo_field) + self.assertTrue(myproto_instance.HasField('foo_field')) + + @testing_refleaks.SkipReferenceLeakChecker('MakeDescriptor is not repeatable') + def testDescriptorProtoSupport(self): + # Hand written descriptors/reflection are only supported by the pure-Python + # implementation of the API. + if api_implementation.Type() != 'python': + return + + def AddDescriptorField(proto, field_name, field_type): + AddDescriptorField.field_index += 1 + new_field = proto.field.add() + new_field.name = field_name + new_field.type = field_type + new_field.number = AddDescriptorField.field_index + new_field.label = descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL + + AddDescriptorField.field_index = 0 + + desc_proto = descriptor_pb2.DescriptorProto() + desc_proto.name = 'Car' + fdp = descriptor_pb2.FieldDescriptorProto + AddDescriptorField(desc_proto, 'name', fdp.TYPE_STRING) + AddDescriptorField(desc_proto, 'year', fdp.TYPE_INT64) + AddDescriptorField(desc_proto, 'automatic', fdp.TYPE_BOOL) + AddDescriptorField(desc_proto, 'price', fdp.TYPE_DOUBLE) + # Add a repeated field + AddDescriptorField.field_index += 1 + new_field = desc_proto.field.add() + new_field.name = 'owners' + new_field.type = fdp.TYPE_STRING + new_field.number = AddDescriptorField.field_index + new_field.label = descriptor_pb2.FieldDescriptorProto.LABEL_REPEATED + + desc = descriptor.MakeDescriptor(desc_proto) + self.assertTrue('name' in desc.fields_by_name) + self.assertTrue('year' in desc.fields_by_name) + self.assertTrue('automatic' in desc.fields_by_name) + self.assertTrue('price' in desc.fields_by_name) + self.assertTrue('owners' in desc.fields_by_name) + + class CarMessage( + message.Message, metaclass=reflection.GeneratedProtocolMessageType): + DESCRIPTOR = desc + + prius = CarMessage() + prius.name = 'prius' + prius.year = 2010 + prius.automatic = True + prius.price = 25134.75 + prius.owners.extend(['bob', 'susan']) + + serialized_prius = prius.SerializeToString() + new_prius = reflection.ParseMessage(desc, serialized_prius) + self.assertIsNot(new_prius, prius) + self.assertEqual(prius, new_prius) + + # these are unnecessary assuming message equality works as advertised but + # explicitly check to be safe since we're mucking about in metaclass foo + self.assertEqual(prius.name, new_prius.name) + self.assertEqual(prius.year, new_prius.year) + self.assertEqual(prius.automatic, new_prius.automatic) + self.assertEqual(prius.price, new_prius.price) + self.assertEqual(prius.owners, new_prius.owners) + + def testExtensionDelete(self): + extendee_proto = more_extensions_pb2.ExtendedMessage() + + extension_int32 = more_extensions_pb2.optional_int_extension + extendee_proto.Extensions[extension_int32] = 23 + + extension_repeated = more_extensions_pb2.repeated_int_extension + extendee_proto.Extensions[extension_repeated].append(11) + + extension_msg = more_extensions_pb2.optional_message_extension + extendee_proto.Extensions[extension_msg].foreign_message_int = 56 + + self.assertEqual(len(extendee_proto.Extensions), 3) + del extendee_proto.Extensions[extension_msg] + self.assertEqual(len(extendee_proto.Extensions), 2) + del extendee_proto.Extensions[extension_repeated] + self.assertEqual(len(extendee_proto.Extensions), 1) + # Delete a none exist extension. It is OK to "del m.Extensions[ext]" + # even if the extension is not present in the message; we don't + # raise KeyError. This is consistent with "m.Extensions[ext]" + # returning a default value even if we did not set anything. + del extendee_proto.Extensions[extension_repeated] + self.assertEqual(len(extendee_proto.Extensions), 1) + del extendee_proto.Extensions[extension_int32] + self.assertEqual(len(extendee_proto.Extensions), 0) + + def testExtensionIter(self): + extendee_proto = more_extensions_pb2.ExtendedMessage() + + extension_int32 = more_extensions_pb2.optional_int_extension + extendee_proto.Extensions[extension_int32] = 23 + + extension_repeated = more_extensions_pb2.repeated_int_extension + extendee_proto.Extensions[extension_repeated].append(11) + + extension_msg = more_extensions_pb2.optional_message_extension + extendee_proto.Extensions[extension_msg].foreign_message_int = 56 + + # Set some normal fields. + extendee_proto.optional_int32 = 1 + extendee_proto.repeated_string.append('hi') + + expected = (extension_int32, extension_msg, extension_repeated) + count = 0 + for item in extendee_proto.Extensions: + self.assertEqual(item.name, expected[count].name) + self.assertIn(item, extendee_proto.Extensions) + count += 1 + self.assertEqual(count, 3) + + def testExtensionContainsError(self): + extendee_proto = more_extensions_pb2.ExtendedMessage() + self.assertRaises(KeyError, extendee_proto.Extensions.__contains__, 0) + + field = more_extensions_pb2.ExtendedMessage.DESCRIPTOR.fields_by_name[ + 'optional_int32'] + self.assertRaises(KeyError, extendee_proto.Extensions.__contains__, field) + + def testTopLevelExtensionsForOptionalScalar(self): + extendee_proto = unittest_pb2.TestAllExtensions() + extension = unittest_pb2.optional_int32_extension + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + self.assertEqual(0, extendee_proto.Extensions[extension]) + # As with normal scalar fields, just doing a read doesn't actually set the + # "has" bit. + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + # Actually set the thing. + extendee_proto.Extensions[extension] = 23 + self.assertEqual(23, extendee_proto.Extensions[extension]) + self.assertTrue(extendee_proto.HasExtension(extension)) + self.assertIn(extension, extendee_proto.Extensions) + # Ensure that clearing works as well. + extendee_proto.ClearExtension(extension) + self.assertEqual(0, extendee_proto.Extensions[extension]) + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + + def testTopLevelExtensionsForRepeatedScalar(self): + extendee_proto = unittest_pb2.TestAllExtensions() + extension = unittest_pb2.repeated_string_extension + self.assertEqual(0, len(extendee_proto.Extensions[extension])) + self.assertNotIn(extension, extendee_proto.Extensions) + extendee_proto.Extensions[extension].append('foo') + self.assertEqual(['foo'], extendee_proto.Extensions[extension]) + self.assertIn(extension, extendee_proto.Extensions) + string_list = extendee_proto.Extensions[extension] + extendee_proto.ClearExtension(extension) + self.assertEqual(0, len(extendee_proto.Extensions[extension])) + self.assertNotIn(extension, extendee_proto.Extensions) + self.assertIsNot(string_list, extendee_proto.Extensions[extension]) + # Shouldn't be allowed to do Extensions[extension] = 'a' + self.assertRaises(TypeError, operator.setitem, extendee_proto.Extensions, + extension, 'a') + + def testTopLevelExtensionsForOptionalMessage(self): + extendee_proto = unittest_pb2.TestAllExtensions() + extension = unittest_pb2.optional_foreign_message_extension + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + self.assertEqual(0, extendee_proto.Extensions[extension].c) + # As with normal (non-extension) fields, merely reading from the + # thing shouldn't set the "has" bit. + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + extendee_proto.Extensions[extension].c = 23 + self.assertEqual(23, extendee_proto.Extensions[extension].c) + self.assertTrue(extendee_proto.HasExtension(extension)) + self.assertIn(extension, extendee_proto.Extensions) + # Save a reference here. + foreign_message = extendee_proto.Extensions[extension] + extendee_proto.ClearExtension(extension) + self.assertIsNot(foreign_message, extendee_proto.Extensions[extension]) + # Setting a field on foreign_message now shouldn't set + # any "has" bits on extendee_proto. + foreign_message.c = 42 + self.assertEqual(42, foreign_message.c) + self.assertTrue(foreign_message.HasField('c')) + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + # Shouldn't be allowed to do Extensions[extension] = 'a' + self.assertRaises(TypeError, operator.setitem, extendee_proto.Extensions, + extension, 'a') + + def testTopLevelExtensionsForRepeatedMessage(self): + extendee_proto = unittest_pb2.TestAllExtensions() + extension = unittest_pb2.repeatedgroup_extension + self.assertEqual(0, len(extendee_proto.Extensions[extension])) + group = extendee_proto.Extensions[extension].add() + group.a = 23 + self.assertEqual(23, extendee_proto.Extensions[extension][0].a) + group.a = 42 + self.assertEqual(42, extendee_proto.Extensions[extension][0].a) + group_list = extendee_proto.Extensions[extension] + extendee_proto.ClearExtension(extension) + self.assertEqual(0, len(extendee_proto.Extensions[extension])) + self.assertIsNot(group_list, extendee_proto.Extensions[extension]) + # Shouldn't be allowed to do Extensions[extension] = 'a' + self.assertRaises(TypeError, operator.setitem, extendee_proto.Extensions, + extension, 'a') + + def testNestedExtensions(self): + extendee_proto = unittest_pb2.TestAllExtensions() + extension = unittest_pb2.TestRequired.single + + # We just test the non-repeated case. + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + required = extendee_proto.Extensions[extension] + self.assertEqual(0, required.a) + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + required.a = 23 + self.assertEqual(23, extendee_proto.Extensions[extension].a) + self.assertTrue(extendee_proto.HasExtension(extension)) + self.assertIn(extension, extendee_proto.Extensions) + extendee_proto.ClearExtension(extension) + self.assertIsNot(required, extendee_proto.Extensions[extension]) + self.assertFalse(extendee_proto.HasExtension(extension)) + self.assertNotIn(extension, extendee_proto.Extensions) + + def testRegisteredExtensions(self): + pool = unittest_pb2.DESCRIPTOR.pool + self.assertTrue( + pool.FindExtensionByNumber( + unittest_pb2.TestAllExtensions.DESCRIPTOR, 1)) + self.assertIs( + pool.FindExtensionByName( + 'protobuf_unittest.optional_int32_extension').containing_type, + unittest_pb2.TestAllExtensions.DESCRIPTOR) + # Make sure extensions haven't been registered into types that shouldn't + # have any. + self.assertEqual(0, len( + pool.FindAllExtensions(unittest_pb2.TestAllTypes.DESCRIPTOR))) + + # If message A directly contains message B, and + # a.HasField('b') is currently False, then mutating any + # extension in B should change a.HasField('b') to True + # (and so on up the object tree). + def testHasBitsForAncestorsOfExtendedMessage(self): + # Optional scalar extension. + toplevel = more_extensions_pb2.TopLevelMessage() + self.assertFalse(toplevel.HasField('submessage')) + self.assertEqual(0, toplevel.submessage.Extensions[ + more_extensions_pb2.optional_int_extension]) + self.assertFalse(toplevel.HasField('submessage')) + toplevel.submessage.Extensions[ + more_extensions_pb2.optional_int_extension] = 23 + self.assertEqual(23, toplevel.submessage.Extensions[ + more_extensions_pb2.optional_int_extension]) + self.assertTrue(toplevel.HasField('submessage')) + + # Repeated scalar extension. + toplevel = more_extensions_pb2.TopLevelMessage() + self.assertFalse(toplevel.HasField('submessage')) + self.assertEqual([], toplevel.submessage.Extensions[ + more_extensions_pb2.repeated_int_extension]) + self.assertFalse(toplevel.HasField('submessage')) + toplevel.submessage.Extensions[ + more_extensions_pb2.repeated_int_extension].append(23) + self.assertEqual([23], toplevel.submessage.Extensions[ + more_extensions_pb2.repeated_int_extension]) + self.assertTrue(toplevel.HasField('submessage')) + + # Optional message extension. + toplevel = more_extensions_pb2.TopLevelMessage() + self.assertFalse(toplevel.HasField('submessage')) + self.assertEqual(0, toplevel.submessage.Extensions[ + more_extensions_pb2.optional_message_extension].foreign_message_int) + self.assertFalse(toplevel.HasField('submessage')) + toplevel.submessage.Extensions[ + more_extensions_pb2.optional_message_extension].foreign_message_int = 23 + self.assertEqual(23, toplevel.submessage.Extensions[ + more_extensions_pb2.optional_message_extension].foreign_message_int) + self.assertTrue(toplevel.HasField('submessage')) + + # Repeated message extension. + toplevel = more_extensions_pb2.TopLevelMessage() + self.assertFalse(toplevel.HasField('submessage')) + self.assertEqual(0, len(toplevel.submessage.Extensions[ + more_extensions_pb2.repeated_message_extension])) + self.assertFalse(toplevel.HasField('submessage')) + foreign = toplevel.submessage.Extensions[ + more_extensions_pb2.repeated_message_extension].add() + self.assertEqual(foreign, toplevel.submessage.Extensions[ + more_extensions_pb2.repeated_message_extension][0]) + self.assertTrue(toplevel.HasField('submessage')) + + def testDisconnectionAfterClearingEmptyMessage(self): + toplevel = more_extensions_pb2.TopLevelMessage() + extendee_proto = toplevel.submessage + extension = more_extensions_pb2.optional_message_extension + extension_proto = extendee_proto.Extensions[extension] + extendee_proto.ClearExtension(extension) + extension_proto.foreign_message_int = 23 + + self.assertIsNot(extension_proto, extendee_proto.Extensions[extension]) + + def testExtensionFailureModes(self): + extendee_proto = unittest_pb2.TestAllExtensions() + + # Try non-extension-handle arguments to HasExtension, + # ClearExtension(), and Extensions[]... + self.assertRaises(KeyError, extendee_proto.HasExtension, 1234) + self.assertRaises(KeyError, extendee_proto.ClearExtension, 1234) + self.assertRaises(KeyError, extendee_proto.Extensions.__getitem__, 1234) + self.assertRaises(KeyError, extendee_proto.Extensions.__setitem__, 1234, 5) + + # Try something that *is* an extension handle, just not for + # this message... + for unknown_handle in (more_extensions_pb2.optional_int_extension, + more_extensions_pb2.optional_message_extension, + more_extensions_pb2.repeated_int_extension, + more_extensions_pb2.repeated_message_extension): + self.assertRaises(KeyError, extendee_proto.HasExtension, + unknown_handle) + self.assertRaises(KeyError, extendee_proto.ClearExtension, + unknown_handle) + self.assertRaises(KeyError, extendee_proto.Extensions.__getitem__, + unknown_handle) + self.assertRaises(KeyError, extendee_proto.Extensions.__setitem__, + unknown_handle, 5) + + # Try call HasExtension() with a valid handle, but for a + # *repeated* field. (Just as with non-extension repeated + # fields, Has*() isn't supported for extension repeated fields). + self.assertRaises(KeyError, extendee_proto.HasExtension, + unittest_pb2.repeated_string_extension) + + def testMergeFromOptionalGroup(self): + # Test merge with an optional group. + proto1 = unittest_pb2.TestAllTypes() + proto1.optionalgroup.a = 12 + proto2 = unittest_pb2.TestAllTypes() + proto2.MergeFrom(proto1) + self.assertEqual(12, proto2.optionalgroup.a) + + def testMergeFromExtensionsSingular(self): + proto1 = unittest_pb2.TestAllExtensions() + proto1.Extensions[unittest_pb2.optional_int32_extension] = 1 + + proto2 = unittest_pb2.TestAllExtensions() + proto2.MergeFrom(proto1) + self.assertEqual( + 1, proto2.Extensions[unittest_pb2.optional_int32_extension]) + + def testMergeFromExtensionsRepeated(self): + proto1 = unittest_pb2.TestAllExtensions() + proto1.Extensions[unittest_pb2.repeated_int32_extension].append(1) + proto1.Extensions[unittest_pb2.repeated_int32_extension].append(2) + + proto2 = unittest_pb2.TestAllExtensions() + proto2.Extensions[unittest_pb2.repeated_int32_extension].append(0) + proto2.MergeFrom(proto1) + self.assertEqual( + 3, len(proto2.Extensions[unittest_pb2.repeated_int32_extension])) + self.assertEqual( + 0, proto2.Extensions[unittest_pb2.repeated_int32_extension][0]) + self.assertEqual( + 1, proto2.Extensions[unittest_pb2.repeated_int32_extension][1]) + self.assertEqual( + 2, proto2.Extensions[unittest_pb2.repeated_int32_extension][2]) + + def testMergeFromExtensionsNestedMessage(self): + proto1 = unittest_pb2.TestAllExtensions() + ext1 = proto1.Extensions[ + unittest_pb2.repeated_nested_message_extension] + m = ext1.add() + m.bb = 222 + m = ext1.add() + m.bb = 333 + + proto2 = unittest_pb2.TestAllExtensions() + ext2 = proto2.Extensions[ + unittest_pb2.repeated_nested_message_extension] + m = ext2.add() + m.bb = 111 + + proto2.MergeFrom(proto1) + ext2 = proto2.Extensions[ + unittest_pb2.repeated_nested_message_extension] + self.assertEqual(3, len(ext2)) + self.assertEqual(111, ext2[0].bb) + self.assertEqual(222, ext2[1].bb) + self.assertEqual(333, ext2[2].bb) + + def testCopyFromBadType(self): + # The python implementation doesn't raise an exception in this + # case. In theory it should. + if api_implementation.Type() == 'python': + return + proto1 = unittest_pb2.TestAllTypes() + proto2 = unittest_pb2.TestAllExtensions() + self.assertRaises(TypeError, proto1.CopyFrom, proto2) + + def testClear(self): + proto = unittest_pb2.TestAllTypes() + # C++ implementation does not support lazy fields right now so leave it + # out for now. + if api_implementation.Type() == 'python': + test_util.SetAllFields(proto) + else: + test_util.SetAllNonLazyFields(proto) + # Clear the message. + proto.Clear() + self.assertEqual(proto.ByteSize(), 0) + empty_proto = unittest_pb2.TestAllTypes() + self.assertEqual(proto, empty_proto) + + # Test if extensions which were set are cleared. + proto = unittest_pb2.TestAllExtensions() + test_util.SetAllExtensions(proto) + # Clear the message. + proto.Clear() + self.assertEqual(proto.ByteSize(), 0) + empty_proto = unittest_pb2.TestAllExtensions() + self.assertEqual(proto, empty_proto) + + def testDisconnectingInOneof(self): + m = unittest_pb2.TestOneof2() # This message has two messages in a oneof. + m.foo_message.moo_int = 5 + sub_message = m.foo_message + # Accessing another message's field does not clear the first one + self.assertEqual(m.foo_lazy_message.moo_int, 0) + self.assertEqual(m.foo_message.moo_int, 5) + # But mutating another message in the oneof detaches the first one. + m.foo_lazy_message.moo_int = 6 + self.assertEqual(m.foo_message.moo_int, 0) + # The reference we got above was detached and is still valid. + self.assertEqual(sub_message.moo_int, 5) + sub_message.moo_int = 7 + + def assertInitialized(self, proto): + self.assertTrue(proto.IsInitialized()) + # Neither method should raise an exception. + proto.SerializeToString() + proto.SerializePartialToString() + + def assertNotInitialized(self, proto, error_size=None): + errors = [] + self.assertFalse(proto.IsInitialized()) + self.assertFalse(proto.IsInitialized(errors)) + self.assertEqual(error_size, len(errors)) + self.assertRaises(message.EncodeError, proto.SerializeToString) + # "Partial" serialization doesn't care if message is uninitialized. + proto.SerializePartialToString() + + def testIsInitialized(self): + # Trivial cases - all optional fields and extensions. + proto = unittest_pb2.TestAllTypes() + self.assertInitialized(proto) + proto = unittest_pb2.TestAllExtensions() + self.assertInitialized(proto) + + # The case of uninitialized required fields. + proto = unittest_pb2.TestRequired() + self.assertNotInitialized(proto, 3) + proto.a = proto.b = proto.c = 2 + self.assertInitialized(proto) + + # The case of uninitialized submessage. + proto = unittest_pb2.TestRequiredForeign() + self.assertInitialized(proto) + proto.optional_message.a = 1 + self.assertNotInitialized(proto, 2) + proto.optional_message.b = 0 + proto.optional_message.c = 0 + self.assertInitialized(proto) + + # Uninitialized repeated submessage. + message1 = proto.repeated_message.add() + self.assertNotInitialized(proto, 3) + message1.a = message1.b = message1.c = 0 + self.assertInitialized(proto) + + # Uninitialized repeated group in an extension. + proto = unittest_pb2.TestAllExtensions() + extension = unittest_pb2.TestRequired.multi + message1 = proto.Extensions[extension].add() + message2 = proto.Extensions[extension].add() + self.assertNotInitialized(proto, 6) + message1.a = 1 + message1.b = 1 + message1.c = 1 + self.assertNotInitialized(proto, 3) + message2.a = 2 + message2.b = 2 + message2.c = 2 + self.assertInitialized(proto) + + # Uninitialized nonrepeated message in an extension. + proto = unittest_pb2.TestAllExtensions() + extension = unittest_pb2.TestRequired.single + proto.Extensions[extension].a = 1 + self.assertNotInitialized(proto, 2) + proto.Extensions[extension].b = 2 + proto.Extensions[extension].c = 3 + self.assertInitialized(proto) + + # Try passing an errors list. + errors = [] + proto = unittest_pb2.TestRequired() + self.assertFalse(proto.IsInitialized(errors)) + self.assertEqual(errors, ['a', 'b', 'c']) + self.assertRaises(TypeError, proto.IsInitialized, 1, 2, 3) + + @unittest.skipIf( + api_implementation.Type() == 'python', + 'Errors are only available from the most recent C++ implementation.') + def testFileDescriptorErrors(self): + file_name = 'test_file_descriptor_errors.proto' + package_name = 'test_file_descriptor_errors.proto' + file_descriptor_proto = descriptor_pb2.FileDescriptorProto() + file_descriptor_proto.name = file_name + file_descriptor_proto.package = package_name + m1 = file_descriptor_proto.message_type.add() + m1.name = 'msg1' + # Compiles the proto into the C++ descriptor pool + descriptor.FileDescriptor( + file_name, + package_name, + serialized_pb=file_descriptor_proto.SerializeToString()) + # Add a FileDescriptorProto that has duplicate symbols + another_file_name = 'another_test_file_descriptor_errors.proto' + file_descriptor_proto.name = another_file_name + m2 = file_descriptor_proto.message_type.add() + m2.name = 'msg2' + with self.assertRaises(TypeError) as cm: + descriptor.FileDescriptor( + another_file_name, + package_name, + serialized_pb=file_descriptor_proto.SerializeToString()) + self.assertTrue(hasattr(cm, 'exception'), '%s not raised' % + getattr(cm.expected, '__name__', cm.expected)) + self.assertIn('test_file_descriptor_errors.proto', str(cm.exception)) + # Error message will say something about this definition being a + # duplicate, though we don't check the message exactly to avoid a + # dependency on the C++ logging code. + self.assertIn('test_file_descriptor_errors.msg1', str(cm.exception)) + + def testStringUTF8Serialization(self): + proto = message_set_extensions_pb2.TestMessageSet() + extension_message = message_set_extensions_pb2.TestMessageSetExtension2 + extension = extension_message.message_set_extension + + test_utf8 = u'Тест' + test_utf8_bytes = test_utf8.encode('utf-8') + + # 'Test' in another language, using UTF-8 charset. + proto.Extensions[extension].str = test_utf8 + + # Serialize using the MessageSet wire format (this is specified in the + # .proto file). + serialized = proto.SerializeToString() + + # Check byte size. + self.assertEqual(proto.ByteSize(), len(serialized)) + + raw = unittest_mset_pb2.RawMessageSet() + bytes_read = raw.MergeFromString(serialized) + self.assertEqual(len(serialized), bytes_read) + + message2 = message_set_extensions_pb2.TestMessageSetExtension2() + + self.assertEqual(1, len(raw.item)) + # Check that the type_id is the same as the tag ID in the .proto file. + self.assertEqual(raw.item[0].type_id, 98418634) + + # Check the actual bytes on the wire. + self.assertTrue(raw.item[0].message.endswith(test_utf8_bytes)) + bytes_read = message2.MergeFromString(raw.item[0].message) + self.assertEqual(len(raw.item[0].message), bytes_read) + + self.assertEqual(type(message2.str), str) + self.assertEqual(message2.str, test_utf8) + + # The pure Python API throws an exception on MergeFromString(), + # if any of the string fields of the message can't be UTF-8 decoded. + # The C++ implementation of the API has no way to check that on + # MergeFromString and thus has no way to throw the exception. + # + # The pure Python API always returns objects of type 'unicode' (UTF-8 + # encoded), or 'bytes' (in 7 bit ASCII). + badbytes = raw.item[0].message.replace( + test_utf8_bytes, len(test_utf8_bytes) * b'\xff') + + unicode_decode_failed = False + try: + message2.MergeFromString(badbytes) + except UnicodeDecodeError: + unicode_decode_failed = True + string_field = message2.str + self.assertTrue(unicode_decode_failed or type(string_field) is bytes) + + def testSetInParent(self): + proto = unittest_pb2.TestAllTypes() + self.assertFalse(proto.HasField('optionalgroup')) + proto.optionalgroup.SetInParent() + self.assertTrue(proto.HasField('optionalgroup')) + + def testPackageInitializationImport(self): + """Test that we can import nested messages from their __init__.py. + + Such setup is not trivial since at the time of processing of __init__.py one + can't refer to its submodules by name in code, so expressions like + google.protobuf.internal.import_test_package.inner_pb2 + don't work. They do work in imports, so we have assign an alias at import + and then use that alias in generated code. + """ + # We import here since it's the import that used to fail, and we want + # the failure to have the right context. + # pylint: disable=g-import-not-at-top + from google.protobuf.internal import import_test_package + # pylint: enable=g-import-not-at-top + msg = import_test_package.myproto.Outer() + # Just check the default value. + self.assertEqual(57, msg.inner.value) + +# Since we had so many tests for protocol buffer equality, we broke these out +# into separate TestCase classes. + + +@testing_refleaks.TestCase +class TestAllTypesEqualityTest(unittest.TestCase): + + def setUp(self): + self.first_proto = unittest_pb2.TestAllTypes() + self.second_proto = unittest_pb2.TestAllTypes() + + def testNotHashable(self): + self.assertRaises(TypeError, hash, self.first_proto) + + def testSelfEquality(self): + self.assertEqual(self.first_proto, self.first_proto) + + def testEmptyProtosEqual(self): + self.assertEqual(self.first_proto, self.second_proto) + + +@testing_refleaks.TestCase +class FullProtosEqualityTest(unittest.TestCase): + + """Equality tests using completely-full protos as a starting point.""" + + def setUp(self): + self.first_proto = unittest_pb2.TestAllTypes() + self.second_proto = unittest_pb2.TestAllTypes() + test_util.SetAllFields(self.first_proto) + test_util.SetAllFields(self.second_proto) + + def testNotHashable(self): + self.assertRaises(TypeError, hash, self.first_proto) + + def testNoneNotEqual(self): + self.assertNotEqual(self.first_proto, None) + self.assertNotEqual(None, self.second_proto) + + def testNotEqualToOtherMessage(self): + third_proto = unittest_pb2.TestRequired() + self.assertNotEqual(self.first_proto, third_proto) + self.assertNotEqual(third_proto, self.second_proto) + + def testAllFieldsFilledEquality(self): + self.assertEqual(self.first_proto, self.second_proto) + + def testNonRepeatedScalar(self): + # Nonrepeated scalar field change should cause inequality. + self.first_proto.optional_int32 += 1 + self.assertNotEqual(self.first_proto, self.second_proto) + # ...as should clearing a field. + self.first_proto.ClearField('optional_int32') + self.assertNotEqual(self.first_proto, self.second_proto) + + def testNonRepeatedComposite(self): + # Change a nonrepeated composite field. + self.first_proto.optional_nested_message.bb += 1 + self.assertNotEqual(self.first_proto, self.second_proto) + self.first_proto.optional_nested_message.bb -= 1 + self.assertEqual(self.first_proto, self.second_proto) + # Clear a field in the nested message. + self.first_proto.optional_nested_message.ClearField('bb') + self.assertNotEqual(self.first_proto, self.second_proto) + self.first_proto.optional_nested_message.bb = ( + self.second_proto.optional_nested_message.bb) + self.assertEqual(self.first_proto, self.second_proto) + # Remove the nested message entirely. + self.first_proto.ClearField('optional_nested_message') + self.assertNotEqual(self.first_proto, self.second_proto) + + def testRepeatedScalar(self): + # Change a repeated scalar field. + self.first_proto.repeated_int32.append(5) + self.assertNotEqual(self.first_proto, self.second_proto) + self.first_proto.ClearField('repeated_int32') + self.assertNotEqual(self.first_proto, self.second_proto) + + def testRepeatedComposite(self): + # Change value within a repeated composite field. + self.first_proto.repeated_nested_message[0].bb += 1 + self.assertNotEqual(self.first_proto, self.second_proto) + self.first_proto.repeated_nested_message[0].bb -= 1 + self.assertEqual(self.first_proto, self.second_proto) + # Add a value to a repeated composite field. + self.first_proto.repeated_nested_message.add() + self.assertNotEqual(self.first_proto, self.second_proto) + self.second_proto.repeated_nested_message.add() + self.assertEqual(self.first_proto, self.second_proto) + + def testNonRepeatedScalarHasBits(self): + # Ensure that we test "has" bits as well as value for + # nonrepeated scalar field. + self.first_proto.ClearField('optional_int32') + self.second_proto.optional_int32 = 0 + self.assertNotEqual(self.first_proto, self.second_proto) + + def testNonRepeatedCompositeHasBits(self): + # Ensure that we test "has" bits as well as value for + # nonrepeated composite field. + self.first_proto.ClearField('optional_nested_message') + self.second_proto.optional_nested_message.ClearField('bb') + self.assertNotEqual(self.first_proto, self.second_proto) + self.first_proto.optional_nested_message.bb = 0 + self.first_proto.optional_nested_message.ClearField('bb') + self.assertEqual(self.first_proto, self.second_proto) + + +@testing_refleaks.TestCase +class ExtensionEqualityTest(unittest.TestCase): + + def testExtensionEquality(self): + first_proto = unittest_pb2.TestAllExtensions() + second_proto = unittest_pb2.TestAllExtensions() + self.assertEqual(first_proto, second_proto) + test_util.SetAllExtensions(first_proto) + self.assertNotEqual(first_proto, second_proto) + test_util.SetAllExtensions(second_proto) + self.assertEqual(first_proto, second_proto) + + # Ensure that we check value equality. + first_proto.Extensions[unittest_pb2.optional_int32_extension] += 1 + self.assertNotEqual(first_proto, second_proto) + first_proto.Extensions[unittest_pb2.optional_int32_extension] -= 1 + self.assertEqual(first_proto, second_proto) + + # Ensure that we also look at "has" bits. + first_proto.ClearExtension(unittest_pb2.optional_int32_extension) + second_proto.Extensions[unittest_pb2.optional_int32_extension] = 0 + self.assertNotEqual(first_proto, second_proto) + first_proto.Extensions[unittest_pb2.optional_int32_extension] = 0 + self.assertEqual(first_proto, second_proto) + + # Ensure that differences in cached values + # don't matter if "has" bits are both false. + first_proto = unittest_pb2.TestAllExtensions() + second_proto = unittest_pb2.TestAllExtensions() + self.assertEqual( + 0, first_proto.Extensions[unittest_pb2.optional_int32_extension]) + self.assertEqual(first_proto, second_proto) + + +@testing_refleaks.TestCase +class MutualRecursionEqualityTest(unittest.TestCase): + + def testEqualityWithMutualRecursion(self): + first_proto = unittest_pb2.TestMutualRecursionA() + second_proto = unittest_pb2.TestMutualRecursionA() + self.assertEqual(first_proto, second_proto) + first_proto.bb.a.bb.optional_int32 = 23 + self.assertNotEqual(first_proto, second_proto) + second_proto.bb.a.bb.optional_int32 = 23 + self.assertEqual(first_proto, second_proto) + + +@testing_refleaks.TestCase +class ByteSizeTest(unittest.TestCase): + + def setUp(self): + self.proto = unittest_pb2.TestAllTypes() + self.extended_proto = more_extensions_pb2.ExtendedMessage() + self.packed_proto = unittest_pb2.TestPackedTypes() + self.packed_extended_proto = unittest_pb2.TestPackedExtensions() + + def Size(self): + return self.proto.ByteSize() + + def testEmptyMessage(self): + self.assertEqual(0, self.proto.ByteSize()) + + def testSizedOnKwargs(self): + # Use a separate message to ensure testing right after creation. + proto = unittest_pb2.TestAllTypes() + self.assertEqual(0, proto.ByteSize()) + proto_kwargs = unittest_pb2.TestAllTypes(optional_int64 = 1) + # One byte for the tag, one to encode varint 1. + self.assertEqual(2, proto_kwargs.ByteSize()) + + def testVarints(self): + def Test(i, expected_varint_size): + self.proto.Clear() + self.proto.optional_int64 = i + # Add one to the varint size for the tag info + # for tag 1. + self.assertEqual(expected_varint_size + 1, self.Size()) + Test(0, 1) + Test(1, 1) + for i, num_bytes in zip(range(7, 63, 7), range(1, 10000)): + Test((1 << i) - 1, num_bytes) + Test(-1, 10) + Test(-2, 10) + Test(-(1 << 63), 10) + + def testStrings(self): + self.proto.optional_string = '' + # Need one byte for tag info (tag #14), and one byte for length. + self.assertEqual(2, self.Size()) + + self.proto.optional_string = 'abc' + # Need one byte for tag info (tag #14), and one byte for length. + self.assertEqual(2 + len(self.proto.optional_string), self.Size()) + + self.proto.optional_string = 'x' * 128 + # Need one byte for tag info (tag #14), and TWO bytes for length. + self.assertEqual(3 + len(self.proto.optional_string), self.Size()) + + def testOtherNumerics(self): + self.proto.optional_fixed32 = 1234 + # One byte for tag and 4 bytes for fixed32. + self.assertEqual(5, self.Size()) + self.proto = unittest_pb2.TestAllTypes() + + self.proto.optional_fixed64 = 1234 + # One byte for tag and 8 bytes for fixed64. + self.assertEqual(9, self.Size()) + self.proto = unittest_pb2.TestAllTypes() + + self.proto.optional_float = 1.234 + # One byte for tag and 4 bytes for float. + self.assertEqual(5, self.Size()) + self.proto = unittest_pb2.TestAllTypes() + + self.proto.optional_double = 1.234 + # One byte for tag and 8 bytes for float. + self.assertEqual(9, self.Size()) + self.proto = unittest_pb2.TestAllTypes() + + self.proto.optional_sint32 = 64 + # One byte for tag and 2 bytes for zig-zag-encoded 64. + self.assertEqual(3, self.Size()) + self.proto = unittest_pb2.TestAllTypes() + + def testComposites(self): + # 3 bytes. + self.proto.optional_nested_message.bb = (1 << 14) + # Plus one byte for bb tag. + # Plus 1 byte for optional_nested_message serialized size. + # Plus two bytes for optional_nested_message tag. + self.assertEqual(3 + 1 + 1 + 2, self.Size()) + + def testGroups(self): + # 4 bytes. + self.proto.optionalgroup.a = (1 << 21) + # Plus two bytes for |a| tag. + # Plus 2 * two bytes for START_GROUP and END_GROUP tags. + self.assertEqual(4 + 2 + 2*2, self.Size()) + + def testRepeatedScalars(self): + self.proto.repeated_int32.append(10) # 1 byte. + self.proto.repeated_int32.append(128) # 2 bytes. + # Also need 2 bytes for each entry for tag. + self.assertEqual(1 + 2 + 2*2, self.Size()) + + def testRepeatedScalarsExtend(self): + self.proto.repeated_int32.extend([10, 128]) # 3 bytes. + # Also need 2 bytes for each entry for tag. + self.assertEqual(1 + 2 + 2*2, self.Size()) + + def testRepeatedScalarsRemove(self): + self.proto.repeated_int32.append(10) # 1 byte. + self.proto.repeated_int32.append(128) # 2 bytes. + # Also need 2 bytes for each entry for tag. + self.assertEqual(1 + 2 + 2*2, self.Size()) + self.proto.repeated_int32.remove(128) + self.assertEqual(1 + 2, self.Size()) + + def testRepeatedComposites(self): + # Empty message. 2 bytes tag plus 1 byte length. + foreign_message_0 = self.proto.repeated_nested_message.add() + # 2 bytes tag plus 1 byte length plus 1 byte bb tag 1 byte int. + foreign_message_1 = self.proto.repeated_nested_message.add() + foreign_message_1.bb = 7 + self.assertEqual(2 + 1 + 2 + 1 + 1 + 1, self.Size()) + + def testRepeatedCompositesDelete(self): + # Empty message. 2 bytes tag plus 1 byte length. + foreign_message_0 = self.proto.repeated_nested_message.add() + # 2 bytes tag plus 1 byte length plus 1 byte bb tag 1 byte int. + foreign_message_1 = self.proto.repeated_nested_message.add() + foreign_message_1.bb = 9 + self.assertEqual(2 + 1 + 2 + 1 + 1 + 1, self.Size()) + repeated_nested_message = copy.deepcopy( + self.proto.repeated_nested_message) + + # 2 bytes tag plus 1 byte length plus 1 byte bb tag 1 byte int. + del self.proto.repeated_nested_message[0] + self.assertEqual(2 + 1 + 1 + 1, self.Size()) + + # Now add a new message. + foreign_message_2 = self.proto.repeated_nested_message.add() + foreign_message_2.bb = 12 + + # 2 bytes tag plus 1 byte length plus 1 byte bb tag 1 byte int. + # 2 bytes tag plus 1 byte length plus 1 byte bb tag 1 byte int. + self.assertEqual(2 + 1 + 1 + 1 + 2 + 1 + 1 + 1, self.Size()) + + # 2 bytes tag plus 1 byte length plus 1 byte bb tag 1 byte int. + del self.proto.repeated_nested_message[1] + self.assertEqual(2 + 1 + 1 + 1, self.Size()) + + del self.proto.repeated_nested_message[0] + self.assertEqual(0, self.Size()) + + self.assertEqual(2, len(repeated_nested_message)) + del repeated_nested_message[0:1] + # TODO(jieluo): Fix cpp extension bug when delete repeated message. + if api_implementation.Type() == 'python': + self.assertEqual(1, len(repeated_nested_message)) + del repeated_nested_message[-1] + # TODO(jieluo): Fix cpp extension bug when delete repeated message. + if api_implementation.Type() == 'python': + self.assertEqual(0, len(repeated_nested_message)) + + def testRepeatedGroups(self): + # 2-byte START_GROUP plus 2-byte END_GROUP. + group_0 = self.proto.repeatedgroup.add() + # 2-byte START_GROUP plus 2-byte |a| tag + 1-byte |a| + # plus 2-byte END_GROUP. + group_1 = self.proto.repeatedgroup.add() + group_1.a = 7 + self.assertEqual(2 + 2 + 2 + 2 + 1 + 2, self.Size()) + + def testExtensions(self): + proto = unittest_pb2.TestAllExtensions() + self.assertEqual(0, proto.ByteSize()) + extension = unittest_pb2.optional_int32_extension # Field #1, 1 byte. + proto.Extensions[extension] = 23 + # 1 byte for tag, 1 byte for value. + self.assertEqual(2, proto.ByteSize()) + field = unittest_pb2.TestAllTypes.DESCRIPTOR.fields_by_name[ + 'optional_int32'] + with self.assertRaises(KeyError): + proto.Extensions[field] = 23 + + def testCacheInvalidationForNonrepeatedScalar(self): + # Test non-extension. + self.proto.optional_int32 = 1 + self.assertEqual(2, self.proto.ByteSize()) + self.proto.optional_int32 = 128 + self.assertEqual(3, self.proto.ByteSize()) + self.proto.ClearField('optional_int32') + self.assertEqual(0, self.proto.ByteSize()) + + # Test within extension. + extension = more_extensions_pb2.optional_int_extension + self.extended_proto.Extensions[extension] = 1 + self.assertEqual(2, self.extended_proto.ByteSize()) + self.extended_proto.Extensions[extension] = 128 + self.assertEqual(3, self.extended_proto.ByteSize()) + self.extended_proto.ClearExtension(extension) + self.assertEqual(0, self.extended_proto.ByteSize()) + + def testCacheInvalidationForRepeatedScalar(self): + # Test non-extension. + self.proto.repeated_int32.append(1) + self.assertEqual(3, self.proto.ByteSize()) + self.proto.repeated_int32.append(1) + self.assertEqual(6, self.proto.ByteSize()) + self.proto.repeated_int32[1] = 128 + self.assertEqual(7, self.proto.ByteSize()) + self.proto.ClearField('repeated_int32') + self.assertEqual(0, self.proto.ByteSize()) + + # Test within extension. + extension = more_extensions_pb2.repeated_int_extension + repeated = self.extended_proto.Extensions[extension] + repeated.append(1) + self.assertEqual(2, self.extended_proto.ByteSize()) + repeated.append(1) + self.assertEqual(4, self.extended_proto.ByteSize()) + repeated[1] = 128 + self.assertEqual(5, self.extended_proto.ByteSize()) + self.extended_proto.ClearExtension(extension) + self.assertEqual(0, self.extended_proto.ByteSize()) + + def testCacheInvalidationForNonrepeatedMessage(self): + # Test non-extension. + self.proto.optional_foreign_message.c = 1 + self.assertEqual(5, self.proto.ByteSize()) + self.proto.optional_foreign_message.c = 128 + self.assertEqual(6, self.proto.ByteSize()) + self.proto.optional_foreign_message.ClearField('c') + self.assertEqual(3, self.proto.ByteSize()) + self.proto.ClearField('optional_foreign_message') + self.assertEqual(0, self.proto.ByteSize()) + + if api_implementation.Type() == 'python': + # This is only possible in pure-Python implementation of the API. + child = self.proto.optional_foreign_message + self.proto.ClearField('optional_foreign_message') + child.c = 128 + self.assertEqual(0, self.proto.ByteSize()) + + # Test within extension. + extension = more_extensions_pb2.optional_message_extension + child = self.extended_proto.Extensions[extension] + self.assertEqual(0, self.extended_proto.ByteSize()) + child.foreign_message_int = 1 + self.assertEqual(4, self.extended_proto.ByteSize()) + child.foreign_message_int = 128 + self.assertEqual(5, self.extended_proto.ByteSize()) + self.extended_proto.ClearExtension(extension) + self.assertEqual(0, self.extended_proto.ByteSize()) + + def testCacheInvalidationForRepeatedMessage(self): + # Test non-extension. + child0 = self.proto.repeated_foreign_message.add() + self.assertEqual(3, self.proto.ByteSize()) + self.proto.repeated_foreign_message.add() + self.assertEqual(6, self.proto.ByteSize()) + child0.c = 1 + self.assertEqual(8, self.proto.ByteSize()) + self.proto.ClearField('repeated_foreign_message') + self.assertEqual(0, self.proto.ByteSize()) + + # Test within extension. + extension = more_extensions_pb2.repeated_message_extension + child_list = self.extended_proto.Extensions[extension] + child0 = child_list.add() + self.assertEqual(2, self.extended_proto.ByteSize()) + child_list.add() + self.assertEqual(4, self.extended_proto.ByteSize()) + child0.foreign_message_int = 1 + self.assertEqual(6, self.extended_proto.ByteSize()) + child0.ClearField('foreign_message_int') + self.assertEqual(4, self.extended_proto.ByteSize()) + self.extended_proto.ClearExtension(extension) + self.assertEqual(0, self.extended_proto.ByteSize()) + + def testPackedRepeatedScalars(self): + self.assertEqual(0, self.packed_proto.ByteSize()) + + self.packed_proto.packed_int32.append(10) # 1 byte. + self.packed_proto.packed_int32.append(128) # 2 bytes. + # The tag is 2 bytes (the field number is 90), and the varint + # storing the length is 1 byte. + int_size = 1 + 2 + 3 + self.assertEqual(int_size, self.packed_proto.ByteSize()) + + self.packed_proto.packed_double.append(4.2) # 8 bytes + self.packed_proto.packed_double.append(3.25) # 8 bytes + # 2 more tag bytes, 1 more length byte. + double_size = 8 + 8 + 3 + self.assertEqual(int_size+double_size, self.packed_proto.ByteSize()) + + self.packed_proto.ClearField('packed_int32') + self.assertEqual(double_size, self.packed_proto.ByteSize()) + + def testPackedExtensions(self): + self.assertEqual(0, self.packed_extended_proto.ByteSize()) + extension = self.packed_extended_proto.Extensions[ + unittest_pb2.packed_fixed32_extension] + extension.extend([1, 2, 3, 4]) # 16 bytes + # Tag is 3 bytes. + self.assertEqual(19, self.packed_extended_proto.ByteSize()) + + +# Issues to be sure to cover include: +# * Handling of unrecognized tags ("uninterpreted_bytes"). +# * Handling of MessageSets. +# * Consistent ordering of tags in the wire format, +# including ordering between extensions and non-extension +# fields. +# * Consistent serialization of negative numbers, especially +# negative int32s. +# * Handling of empty submessages (with and without "has" +# bits set). + +@testing_refleaks.TestCase +class SerializationTest(unittest.TestCase): + + def testSerializeEmtpyMessage(self): + first_proto = unittest_pb2.TestAllTypes() + second_proto = unittest_pb2.TestAllTypes() + serialized = first_proto.SerializeToString() + self.assertEqual(first_proto.ByteSize(), len(serialized)) + self.assertEqual( + len(serialized), + second_proto.MergeFromString(serialized)) + self.assertEqual(first_proto, second_proto) + + def testSerializeAllFields(self): + first_proto = unittest_pb2.TestAllTypes() + second_proto = unittest_pb2.TestAllTypes() + test_util.SetAllFields(first_proto) + serialized = first_proto.SerializeToString() + self.assertEqual(first_proto.ByteSize(), len(serialized)) + self.assertEqual( + len(serialized), + second_proto.MergeFromString(serialized)) + self.assertEqual(first_proto, second_proto) + + def testSerializeAllExtensions(self): + first_proto = unittest_pb2.TestAllExtensions() + second_proto = unittest_pb2.TestAllExtensions() + test_util.SetAllExtensions(first_proto) + serialized = first_proto.SerializeToString() + self.assertEqual( + len(serialized), + second_proto.MergeFromString(serialized)) + self.assertEqual(first_proto, second_proto) + + def testSerializeWithOptionalGroup(self): + first_proto = unittest_pb2.TestAllTypes() + second_proto = unittest_pb2.TestAllTypes() + first_proto.optionalgroup.a = 242 + serialized = first_proto.SerializeToString() + self.assertEqual( + len(serialized), + second_proto.MergeFromString(serialized)) + self.assertEqual(first_proto, second_proto) + + def testSerializeNegativeValues(self): + first_proto = unittest_pb2.TestAllTypes() + + first_proto.optional_int32 = -1 + first_proto.optional_int64 = -(2 << 40) + first_proto.optional_sint32 = -3 + first_proto.optional_sint64 = -(4 << 40) + first_proto.optional_sfixed32 = -5 + first_proto.optional_sfixed64 = -(6 << 40) + + second_proto = unittest_pb2.TestAllTypes.FromString( + first_proto.SerializeToString()) + + self.assertEqual(first_proto, second_proto) + + def testParseTruncated(self): + # This test is only applicable for the Python implementation of the API. + if api_implementation.Type() != 'python': + return + + first_proto = unittest_pb2.TestAllTypes() + test_util.SetAllFields(first_proto) + serialized = memoryview(first_proto.SerializeToString()) + + for truncation_point in range(len(serialized) + 1): + try: + second_proto = unittest_pb2.TestAllTypes() + unknown_fields = unittest_pb2.TestEmptyMessage() + pos = second_proto._InternalParse(serialized, 0, truncation_point) + # If we didn't raise an error then we read exactly the amount expected. + self.assertEqual(truncation_point, pos) + + # Parsing to unknown fields should not throw if parsing to known fields + # did not. + try: + pos2 = unknown_fields._InternalParse(serialized, 0, truncation_point) + self.assertEqual(truncation_point, pos2) + except message.DecodeError: + self.fail('Parsing unknown fields failed when parsing known fields ' + 'did not.') + except message.DecodeError: + # Parsing unknown fields should also fail. + self.assertRaises(message.DecodeError, unknown_fields._InternalParse, + serialized, 0, truncation_point) + + def testCanonicalSerializationOrder(self): + proto = more_messages_pb2.OutOfOrderFields() + # These are also their tag numbers. Even though we're setting these in + # reverse-tag order AND they're listed in reverse tag-order in the .proto + # file, they should nonetheless be serialized in tag order. + proto.optional_sint32 = 5 + proto.Extensions[more_messages_pb2.optional_uint64] = 4 + proto.optional_uint32 = 3 + proto.Extensions[more_messages_pb2.optional_int64] = 2 + proto.optional_int32 = 1 + serialized = proto.SerializeToString() + self.assertEqual(proto.ByteSize(), len(serialized)) + d = _MiniDecoder(serialized) + ReadTag = d.ReadFieldNumberAndWireType + self.assertEqual((1, wire_format.WIRETYPE_VARINT), ReadTag()) + self.assertEqual(1, d.ReadInt32()) + self.assertEqual((2, wire_format.WIRETYPE_VARINT), ReadTag()) + self.assertEqual(2, d.ReadInt64()) + self.assertEqual((3, wire_format.WIRETYPE_VARINT), ReadTag()) + self.assertEqual(3, d.ReadUInt32()) + self.assertEqual((4, wire_format.WIRETYPE_VARINT), ReadTag()) + self.assertEqual(4, d.ReadUInt64()) + self.assertEqual((5, wire_format.WIRETYPE_VARINT), ReadTag()) + self.assertEqual(5, d.ReadSInt32()) + + def testCanonicalSerializationOrderSameAsCpp(self): + # Copy of the same test we use for C++. + proto = unittest_pb2.TestFieldOrderings() + test_util.SetAllFieldsAndExtensions(proto) + serialized = proto.SerializeToString() + test_util.ExpectAllFieldsAndExtensionsInOrder(serialized) + + def testMergeFromStringWhenFieldsAlreadySet(self): + first_proto = unittest_pb2.TestAllTypes() + first_proto.repeated_string.append('foobar') + first_proto.optional_int32 = 23 + first_proto.optional_nested_message.bb = 42 + serialized = first_proto.SerializeToString() + + second_proto = unittest_pb2.TestAllTypes() + second_proto.repeated_string.append('baz') + second_proto.optional_int32 = 100 + second_proto.optional_nested_message.bb = 999 + + bytes_parsed = second_proto.MergeFromString(serialized) + self.assertEqual(len(serialized), bytes_parsed) + + # Ensure that we append to repeated fields. + self.assertEqual(['baz', 'foobar'], list(second_proto.repeated_string)) + # Ensure that we overwrite nonrepeatd scalars. + self.assertEqual(23, second_proto.optional_int32) + # Ensure that we recursively call MergeFromString() on + # submessages. + self.assertEqual(42, second_proto.optional_nested_message.bb) + + def testMessageSetWireFormat(self): + proto = message_set_extensions_pb2.TestMessageSet() + extension_message1 = message_set_extensions_pb2.TestMessageSetExtension1 + extension_message2 = message_set_extensions_pb2.TestMessageSetExtension2 + extension1 = extension_message1.message_set_extension + extension2 = extension_message2.message_set_extension + extension3 = message_set_extensions_pb2.message_set_extension3 + proto.Extensions[extension1].i = 123 + proto.Extensions[extension2].str = 'foo' + proto.Extensions[extension3].text = 'bar' + + # Serialize using the MessageSet wire format (this is specified in the + # .proto file). + serialized = proto.SerializeToString() + + raw = unittest_mset_pb2.RawMessageSet() + self.assertEqual(False, + raw.DESCRIPTOR.GetOptions().message_set_wire_format) + self.assertEqual( + len(serialized), + raw.MergeFromString(serialized)) + self.assertEqual(3, len(raw.item)) + + message1 = message_set_extensions_pb2.TestMessageSetExtension1() + self.assertEqual( + len(raw.item[0].message), + message1.MergeFromString(raw.item[0].message)) + self.assertEqual(123, message1.i) + + message2 = message_set_extensions_pb2.TestMessageSetExtension2() + self.assertEqual( + len(raw.item[1].message), + message2.MergeFromString(raw.item[1].message)) + self.assertEqual('foo', message2.str) + + message3 = message_set_extensions_pb2.TestMessageSetExtension3() + self.assertEqual( + len(raw.item[2].message), + message3.MergeFromString(raw.item[2].message)) + self.assertEqual('bar', message3.text) + + # Deserialize using the MessageSet wire format. + proto2 = message_set_extensions_pb2.TestMessageSet() + self.assertEqual( + len(serialized), + proto2.MergeFromString(serialized)) + self.assertEqual(123, proto2.Extensions[extension1].i) + self.assertEqual('foo', proto2.Extensions[extension2].str) + self.assertEqual('bar', proto2.Extensions[extension3].text) + + # Check byte size. + self.assertEqual(proto2.ByteSize(), len(serialized)) + self.assertEqual(proto.ByteSize(), len(serialized)) + + def testMessageSetWireFormatUnknownExtension(self): + # Create a message using the message set wire format with an unknown + # message. + raw = unittest_mset_pb2.RawMessageSet() + + # Add an item. + item = raw.item.add() + item.type_id = 98418603 + extension_message1 = message_set_extensions_pb2.TestMessageSetExtension1 + message1 = message_set_extensions_pb2.TestMessageSetExtension1() + message1.i = 12345 + item.message = message1.SerializeToString() + + # Add a second, unknown extension. + item = raw.item.add() + item.type_id = 98418604 + extension_message1 = message_set_extensions_pb2.TestMessageSetExtension1 + message1 = message_set_extensions_pb2.TestMessageSetExtension1() + message1.i = 12346 + item.message = message1.SerializeToString() + + # Add another unknown extension. + item = raw.item.add() + item.type_id = 98418605 + message1 = message_set_extensions_pb2.TestMessageSetExtension2() + message1.str = 'foo' + item.message = message1.SerializeToString() + + serialized = raw.SerializeToString() + + # Parse message using the message set wire format. + proto = message_set_extensions_pb2.TestMessageSet() + self.assertEqual( + len(serialized), + proto.MergeFromString(serialized)) + + # Check that the message parsed well. + extension_message1 = message_set_extensions_pb2.TestMessageSetExtension1 + extension1 = extension_message1.message_set_extension + self.assertEqual(12345, proto.Extensions[extension1].i) + + def testUnknownFields(self): + proto = unittest_pb2.TestAllTypes() + test_util.SetAllFields(proto) + + serialized = proto.SerializeToString() + + # The empty message should be parsable with all of the fields + # unknown. + proto2 = unittest_pb2.TestEmptyMessage() + + # Parsing this message should succeed. + self.assertEqual( + len(serialized), + proto2.MergeFromString(serialized)) + + # Now test with a int64 field set. + proto = unittest_pb2.TestAllTypes() + proto.optional_int64 = 0x0fffffffffffffff + serialized = proto.SerializeToString() + # The empty message should be parsable with all of the fields + # unknown. + proto2 = unittest_pb2.TestEmptyMessage() + # Parsing this message should succeed. + self.assertEqual( + len(serialized), + proto2.MergeFromString(serialized)) + + def _CheckRaises(self, exc_class, callable_obj, exception): + """This method checks if the exception type and message are as expected.""" + try: + callable_obj() + except exc_class as ex: + # Check if the exception message is the right one. + self.assertEqual(exception, str(ex)) + return + else: + raise self.failureException('%s not raised' % str(exc_class)) + + def testSerializeUninitialized(self): + proto = unittest_pb2.TestRequired() + self._CheckRaises( + message.EncodeError, + proto.SerializeToString, + 'Message protobuf_unittest.TestRequired is missing required fields: ' + 'a,b,c') + # Shouldn't raise exceptions. + partial = proto.SerializePartialToString() + + proto2 = unittest_pb2.TestRequired() + self.assertFalse(proto2.HasField('a')) + # proto2 ParseFromString does not check that required fields are set. + proto2.ParseFromString(partial) + self.assertFalse(proto2.HasField('a')) + + proto.a = 1 + self._CheckRaises( + message.EncodeError, + proto.SerializeToString, + 'Message protobuf_unittest.TestRequired is missing required fields: b,c') + # Shouldn't raise exceptions. + partial = proto.SerializePartialToString() + + proto.b = 2 + self._CheckRaises( + message.EncodeError, + proto.SerializeToString, + 'Message protobuf_unittest.TestRequired is missing required fields: c') + # Shouldn't raise exceptions. + partial = proto.SerializePartialToString() + + proto.c = 3 + serialized = proto.SerializeToString() + # Shouldn't raise exceptions. + partial = proto.SerializePartialToString() + + proto2 = unittest_pb2.TestRequired() + self.assertEqual( + len(serialized), + proto2.MergeFromString(serialized)) + self.assertEqual(1, proto2.a) + self.assertEqual(2, proto2.b) + self.assertEqual(3, proto2.c) + self.assertEqual( + len(partial), + proto2.MergeFromString(partial)) + self.assertEqual(1, proto2.a) + self.assertEqual(2, proto2.b) + self.assertEqual(3, proto2.c) + + def testSerializeUninitializedSubMessage(self): + proto = unittest_pb2.TestRequiredForeign() + + # Sub-message doesn't exist yet, so this succeeds. + proto.SerializeToString() + + proto.optional_message.a = 1 + self._CheckRaises( + message.EncodeError, + proto.SerializeToString, + 'Message protobuf_unittest.TestRequiredForeign ' + 'is missing required fields: ' + 'optional_message.b,optional_message.c') + + proto.optional_message.b = 2 + proto.optional_message.c = 3 + proto.SerializeToString() + + proto.repeated_message.add().a = 1 + proto.repeated_message.add().b = 2 + self._CheckRaises( + message.EncodeError, + proto.SerializeToString, + 'Message protobuf_unittest.TestRequiredForeign is missing required fields: ' + 'repeated_message[0].b,repeated_message[0].c,' + 'repeated_message[1].a,repeated_message[1].c') + + proto.repeated_message[0].b = 2 + proto.repeated_message[0].c = 3 + proto.repeated_message[1].a = 1 + proto.repeated_message[1].c = 3 + proto.SerializeToString() + + def testSerializeAllPackedFields(self): + first_proto = unittest_pb2.TestPackedTypes() + second_proto = unittest_pb2.TestPackedTypes() + test_util.SetAllPackedFields(first_proto) + serialized = first_proto.SerializeToString() + self.assertEqual(first_proto.ByteSize(), len(serialized)) + bytes_read = second_proto.MergeFromString(serialized) + self.assertEqual(second_proto.ByteSize(), bytes_read) + self.assertEqual(first_proto, second_proto) + + def testSerializeAllPackedExtensions(self): + first_proto = unittest_pb2.TestPackedExtensions() + second_proto = unittest_pb2.TestPackedExtensions() + test_util.SetAllPackedExtensions(first_proto) + serialized = first_proto.SerializeToString() + bytes_read = second_proto.MergeFromString(serialized) + self.assertEqual(second_proto.ByteSize(), bytes_read) + self.assertEqual(first_proto, second_proto) + + def testMergePackedFromStringWhenSomeFieldsAlreadySet(self): + first_proto = unittest_pb2.TestPackedTypes() + first_proto.packed_int32.extend([1, 2]) + first_proto.packed_double.append(3.0) + serialized = first_proto.SerializeToString() + + second_proto = unittest_pb2.TestPackedTypes() + second_proto.packed_int32.append(3) + second_proto.packed_double.extend([1.0, 2.0]) + second_proto.packed_sint32.append(4) + + self.assertEqual( + len(serialized), + second_proto.MergeFromString(serialized)) + self.assertEqual([3, 1, 2], second_proto.packed_int32) + self.assertEqual([1.0, 2.0, 3.0], second_proto.packed_double) + self.assertEqual([4], second_proto.packed_sint32) + + def testPackedFieldsWireFormat(self): + proto = unittest_pb2.TestPackedTypes() + proto.packed_int32.extend([1, 2, 150, 3]) # 1 + 1 + 2 + 1 bytes + proto.packed_double.extend([1.0, 1000.0]) # 8 + 8 bytes + proto.packed_float.append(2.0) # 4 bytes, will be before double + serialized = proto.SerializeToString() + self.assertEqual(proto.ByteSize(), len(serialized)) + d = _MiniDecoder(serialized) + ReadTag = d.ReadFieldNumberAndWireType + self.assertEqual((90, wire_format.WIRETYPE_LENGTH_DELIMITED), ReadTag()) + self.assertEqual(1+1+1+2, d.ReadInt32()) + self.assertEqual(1, d.ReadInt32()) + self.assertEqual(2, d.ReadInt32()) + self.assertEqual(150, d.ReadInt32()) + self.assertEqual(3, d.ReadInt32()) + self.assertEqual((100, wire_format.WIRETYPE_LENGTH_DELIMITED), ReadTag()) + self.assertEqual(4, d.ReadInt32()) + self.assertEqual(2.0, d.ReadFloat()) + self.assertEqual((101, wire_format.WIRETYPE_LENGTH_DELIMITED), ReadTag()) + self.assertEqual(8+8, d.ReadInt32()) + self.assertEqual(1.0, d.ReadDouble()) + self.assertEqual(1000.0, d.ReadDouble()) + self.assertTrue(d.EndOfStream()) + + def testParsePackedFromUnpacked(self): + unpacked = unittest_pb2.TestUnpackedTypes() + test_util.SetAllUnpackedFields(unpacked) + packed = unittest_pb2.TestPackedTypes() + serialized = unpacked.SerializeToString() + self.assertEqual( + len(serialized), + packed.MergeFromString(serialized)) + expected = unittest_pb2.TestPackedTypes() + test_util.SetAllPackedFields(expected) + self.assertEqual(expected, packed) + + def testParseUnpackedFromPacked(self): + packed = unittest_pb2.TestPackedTypes() + test_util.SetAllPackedFields(packed) + unpacked = unittest_pb2.TestUnpackedTypes() + serialized = packed.SerializeToString() + self.assertEqual( + len(serialized), + unpacked.MergeFromString(serialized)) + expected = unittest_pb2.TestUnpackedTypes() + test_util.SetAllUnpackedFields(expected) + self.assertEqual(expected, unpacked) + + def testFieldNumbers(self): + proto = unittest_pb2.TestAllTypes() + self.assertEqual(unittest_pb2.TestAllTypes.NestedMessage.BB_FIELD_NUMBER, 1) + self.assertEqual(unittest_pb2.TestAllTypes.OPTIONAL_INT32_FIELD_NUMBER, 1) + self.assertEqual(unittest_pb2.TestAllTypes.OPTIONALGROUP_FIELD_NUMBER, 16) + self.assertEqual( + unittest_pb2.TestAllTypes.OPTIONAL_NESTED_MESSAGE_FIELD_NUMBER, 18) + self.assertEqual( + unittest_pb2.TestAllTypes.OPTIONAL_NESTED_ENUM_FIELD_NUMBER, 21) + self.assertEqual(unittest_pb2.TestAllTypes.REPEATED_INT32_FIELD_NUMBER, 31) + self.assertEqual(unittest_pb2.TestAllTypes.REPEATEDGROUP_FIELD_NUMBER, 46) + self.assertEqual( + unittest_pb2.TestAllTypes.REPEATED_NESTED_MESSAGE_FIELD_NUMBER, 48) + self.assertEqual( + unittest_pb2.TestAllTypes.REPEATED_NESTED_ENUM_FIELD_NUMBER, 51) + + def testExtensionFieldNumbers(self): + self.assertEqual(unittest_pb2.TestRequired.single.number, 1000) + self.assertEqual(unittest_pb2.TestRequired.SINGLE_FIELD_NUMBER, 1000) + self.assertEqual(unittest_pb2.TestRequired.multi.number, 1001) + self.assertEqual(unittest_pb2.TestRequired.MULTI_FIELD_NUMBER, 1001) + self.assertEqual(unittest_pb2.optional_int32_extension.number, 1) + self.assertEqual(unittest_pb2.OPTIONAL_INT32_EXTENSION_FIELD_NUMBER, 1) + self.assertEqual(unittest_pb2.optionalgroup_extension.number, 16) + self.assertEqual(unittest_pb2.OPTIONALGROUP_EXTENSION_FIELD_NUMBER, 16) + self.assertEqual(unittest_pb2.optional_nested_message_extension.number, 18) + self.assertEqual( + unittest_pb2.OPTIONAL_NESTED_MESSAGE_EXTENSION_FIELD_NUMBER, 18) + self.assertEqual(unittest_pb2.optional_nested_enum_extension.number, 21) + self.assertEqual(unittest_pb2.OPTIONAL_NESTED_ENUM_EXTENSION_FIELD_NUMBER, + 21) + self.assertEqual(unittest_pb2.repeated_int32_extension.number, 31) + self.assertEqual(unittest_pb2.REPEATED_INT32_EXTENSION_FIELD_NUMBER, 31) + self.assertEqual(unittest_pb2.repeatedgroup_extension.number, 46) + self.assertEqual(unittest_pb2.REPEATEDGROUP_EXTENSION_FIELD_NUMBER, 46) + self.assertEqual(unittest_pb2.repeated_nested_message_extension.number, 48) + self.assertEqual( + unittest_pb2.REPEATED_NESTED_MESSAGE_EXTENSION_FIELD_NUMBER, 48) + self.assertEqual(unittest_pb2.repeated_nested_enum_extension.number, 51) + self.assertEqual(unittest_pb2.REPEATED_NESTED_ENUM_EXTENSION_FIELD_NUMBER, + 51) + + def testFieldProperties(self): + cls = unittest_pb2.TestAllTypes + self.assertIs(cls.optional_int32.DESCRIPTOR, + cls.DESCRIPTOR.fields_by_name['optional_int32']) + self.assertEqual(cls.OPTIONAL_INT32_FIELD_NUMBER, + cls.optional_int32.DESCRIPTOR.number) + self.assertIs(cls.optional_nested_message.DESCRIPTOR, + cls.DESCRIPTOR.fields_by_name['optional_nested_message']) + self.assertEqual(cls.OPTIONAL_NESTED_MESSAGE_FIELD_NUMBER, + cls.optional_nested_message.DESCRIPTOR.number) + self.assertIs(cls.repeated_int32.DESCRIPTOR, + cls.DESCRIPTOR.fields_by_name['repeated_int32']) + self.assertEqual(cls.REPEATED_INT32_FIELD_NUMBER, + cls.repeated_int32.DESCRIPTOR.number) + + def testFieldDataDescriptor(self): + msg = unittest_pb2.TestAllTypes() + msg.optional_int32 = 42 + self.assertEqual(unittest_pb2.TestAllTypes.optional_int32.__get__(msg), 42) + unittest_pb2.TestAllTypes.optional_int32.__set__(msg, 25) + self.assertEqual(msg.optional_int32, 25) + with self.assertRaises(AttributeError): + del msg.optional_int32 + try: + unittest_pb2.ForeignMessage.c.__get__(msg) + except TypeError: + pass # The cpp implementation cannot mix fields from other messages. + # This test exercises a specific check that avoids a crash. + else: + pass # The python implementation allows fields from other messages. + # This is useless, but works. + + def testInitKwargs(self): + proto = unittest_pb2.TestAllTypes( + optional_int32=1, + optional_string='foo', + optional_bool=True, + optional_bytes=b'bar', + optional_nested_message=unittest_pb2.TestAllTypes.NestedMessage(bb=1), + optional_foreign_message=unittest_pb2.ForeignMessage(c=1), + optional_nested_enum=unittest_pb2.TestAllTypes.FOO, + optional_foreign_enum=unittest_pb2.FOREIGN_FOO, + repeated_int32=[1, 2, 3]) + self.assertTrue(proto.IsInitialized()) + self.assertTrue(proto.HasField('optional_int32')) + self.assertTrue(proto.HasField('optional_string')) + self.assertTrue(proto.HasField('optional_bool')) + self.assertTrue(proto.HasField('optional_bytes')) + self.assertTrue(proto.HasField('optional_nested_message')) + self.assertTrue(proto.HasField('optional_foreign_message')) + self.assertTrue(proto.HasField('optional_nested_enum')) + self.assertTrue(proto.HasField('optional_foreign_enum')) + self.assertEqual(1, proto.optional_int32) + self.assertEqual('foo', proto.optional_string) + self.assertEqual(True, proto.optional_bool) + self.assertEqual(b'bar', proto.optional_bytes) + self.assertEqual(1, proto.optional_nested_message.bb) + self.assertEqual(1, proto.optional_foreign_message.c) + self.assertEqual(unittest_pb2.TestAllTypes.FOO, + proto.optional_nested_enum) + self.assertEqual(unittest_pb2.FOREIGN_FOO, proto.optional_foreign_enum) + self.assertEqual([1, 2, 3], proto.repeated_int32) + + def testInitArgsUnknownFieldName(self): + def InitalizeEmptyMessageWithExtraKeywordArg(): + unused_proto = unittest_pb2.TestEmptyMessage(unknown='unknown') + self._CheckRaises( + ValueError, + InitalizeEmptyMessageWithExtraKeywordArg, + 'Protocol message TestEmptyMessage has no "unknown" field.') + + def testInitRequiredKwargs(self): + proto = unittest_pb2.TestRequired(a=1, b=1, c=1) + self.assertTrue(proto.IsInitialized()) + self.assertTrue(proto.HasField('a')) + self.assertTrue(proto.HasField('b')) + self.assertTrue(proto.HasField('c')) + self.assertFalse(proto.HasField('dummy2')) + self.assertEqual(1, proto.a) + self.assertEqual(1, proto.b) + self.assertEqual(1, proto.c) + + def testInitRequiredForeignKwargs(self): + proto = unittest_pb2.TestRequiredForeign( + optional_message=unittest_pb2.TestRequired(a=1, b=1, c=1)) + self.assertTrue(proto.IsInitialized()) + self.assertTrue(proto.HasField('optional_message')) + self.assertTrue(proto.optional_message.IsInitialized()) + self.assertTrue(proto.optional_message.HasField('a')) + self.assertTrue(proto.optional_message.HasField('b')) + self.assertTrue(proto.optional_message.HasField('c')) + self.assertFalse(proto.optional_message.HasField('dummy2')) + self.assertEqual(unittest_pb2.TestRequired(a=1, b=1, c=1), + proto.optional_message) + self.assertEqual(1, proto.optional_message.a) + self.assertEqual(1, proto.optional_message.b) + self.assertEqual(1, proto.optional_message.c) + + def testInitRepeatedKwargs(self): + proto = unittest_pb2.TestAllTypes(repeated_int32=[1, 2, 3]) + self.assertTrue(proto.IsInitialized()) + self.assertEqual(1, proto.repeated_int32[0]) + self.assertEqual(2, proto.repeated_int32[1]) + self.assertEqual(3, proto.repeated_int32[2]) + + +@testing_refleaks.TestCase +class OptionsTest(unittest.TestCase): + + def testMessageOptions(self): + proto = message_set_extensions_pb2.TestMessageSet() + self.assertEqual(True, + proto.DESCRIPTOR.GetOptions().message_set_wire_format) + proto = unittest_pb2.TestAllTypes() + self.assertEqual(False, + proto.DESCRIPTOR.GetOptions().message_set_wire_format) + + def testPackedOptions(self): + proto = unittest_pb2.TestAllTypes() + proto.optional_int32 = 1 + proto.optional_double = 3.0 + for field_descriptor, _ in proto.ListFields(): + self.assertEqual(False, field_descriptor.GetOptions().packed) + + proto = unittest_pb2.TestPackedTypes() + proto.packed_int32.append(1) + proto.packed_double.append(3.0) + for field_descriptor, _ in proto.ListFields(): + self.assertEqual(True, field_descriptor.GetOptions().packed) + self.assertEqual(descriptor.FieldDescriptor.LABEL_REPEATED, + field_descriptor.label) + + + +@testing_refleaks.TestCase +class ClassAPITest(unittest.TestCase): + + @unittest.skipIf( + api_implementation.Type() != 'python', + 'C++ implementation requires a call to MakeDescriptor()') + @testing_refleaks.SkipReferenceLeakChecker('MakeClass is not repeatable') + def testMakeClassWithNestedDescriptor(self): + leaf_desc = descriptor.Descriptor( + 'leaf', 'package.parent.child.leaf', '', + containing_type=None, fields=[], + nested_types=[], enum_types=[], + extensions=[], + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + child_desc = descriptor.Descriptor( + 'child', 'package.parent.child', '', + containing_type=None, fields=[], + nested_types=[leaf_desc], enum_types=[], + extensions=[], + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + sibling_desc = descriptor.Descriptor( + 'sibling', 'package.parent.sibling', + '', containing_type=None, fields=[], + nested_types=[], enum_types=[], + extensions=[], + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + parent_desc = descriptor.Descriptor( + 'parent', 'package.parent', '', + containing_type=None, fields=[], + nested_types=[child_desc, sibling_desc], + enum_types=[], extensions=[], + # pylint: disable=protected-access + create_key=descriptor._internal_create_key) + reflection.MakeClass(parent_desc) + + def _GetSerializedFileDescriptor(self, name): + """Get a serialized representation of a test FileDescriptorProto. + + Args: + name: All calls to this must use a unique message name, to avoid + collisions in the cpp descriptor pool. + Returns: + A string containing the serialized form of a test FileDescriptorProto. + """ + file_descriptor_str = ( + 'message_type {' + ' name: "' + name + '"' + ' field {' + ' name: "flat"' + ' number: 1' + ' label: LABEL_REPEATED' + ' type: TYPE_UINT32' + ' }' + ' field {' + ' name: "bar"' + ' number: 2' + ' label: LABEL_OPTIONAL' + ' type: TYPE_MESSAGE' + ' type_name: "Bar"' + ' }' + ' nested_type {' + ' name: "Bar"' + ' field {' + ' name: "baz"' + ' number: 3' + ' label: LABEL_OPTIONAL' + ' type: TYPE_MESSAGE' + ' type_name: "Baz"' + ' }' + ' nested_type {' + ' name: "Baz"' + ' enum_type {' + ' name: "deep_enum"' + ' value {' + ' name: "VALUE_A"' + ' number: 0' + ' }' + ' }' + ' field {' + ' name: "deep"' + ' number: 4' + ' label: LABEL_OPTIONAL' + ' type: TYPE_UINT32' + ' }' + ' }' + ' }' + '}') + file_descriptor = descriptor_pb2.FileDescriptorProto() + text_format.Merge(file_descriptor_str, file_descriptor) + return file_descriptor.SerializeToString() + + @testing_refleaks.SkipReferenceLeakChecker('MakeDescriptor is not repeatable') + # This test can only run once; the second time, it raises errors about + # conflicting message descriptors. + def testParsingFlatClassWithExplicitClassDeclaration(self): + """Test that the generated class can parse a flat message.""" + # TODO(xiaofeng): This test fails with cpp implementation in the call + # of six.with_metaclass(). The other two callsites of with_metaclass + # in this file are both excluded from cpp test, so it might be expected + # to fail. Need someone more familiar with the python code to take a + # look at this. + if api_implementation.Type() != 'python': + return + file_descriptor = descriptor_pb2.FileDescriptorProto() + file_descriptor.ParseFromString(self._GetSerializedFileDescriptor('A')) + msg_descriptor = descriptor.MakeDescriptor( + file_descriptor.message_type[0]) + + class MessageClass( + message.Message, metaclass=reflection.GeneratedProtocolMessageType): + DESCRIPTOR = msg_descriptor + msg = MessageClass() + msg_str = ( + 'flat: 0 ' + 'flat: 1 ' + 'flat: 2 ') + text_format.Merge(msg_str, msg) + self.assertEqual(msg.flat, [0, 1, 2]) + + @testing_refleaks.SkipReferenceLeakChecker('MakeDescriptor is not repeatable') + def testParsingFlatClass(self): + """Test that the generated class can parse a flat message.""" + file_descriptor = descriptor_pb2.FileDescriptorProto() + file_descriptor.ParseFromString(self._GetSerializedFileDescriptor('B')) + msg_descriptor = descriptor.MakeDescriptor( + file_descriptor.message_type[0]) + msg_class = reflection.MakeClass(msg_descriptor) + msg = msg_class() + msg_str = ( + 'flat: 0 ' + 'flat: 1 ' + 'flat: 2 ') + text_format.Merge(msg_str, msg) + self.assertEqual(msg.flat, [0, 1, 2]) + + @testing_refleaks.SkipReferenceLeakChecker('MakeDescriptor is not repeatable') + def testParsingNestedClass(self): + """Test that the generated class can parse a nested message.""" + file_descriptor = descriptor_pb2.FileDescriptorProto() + file_descriptor.ParseFromString(self._GetSerializedFileDescriptor('C')) + msg_descriptor = descriptor.MakeDescriptor( + file_descriptor.message_type[0]) + msg_class = reflection.MakeClass(msg_descriptor) + msg = msg_class() + msg_str = ( + 'bar {' + ' baz {' + ' deep: 4' + ' }' + '}') + text_format.Merge(msg_str, msg) + self.assertEqual(msg.bar.baz.deep, 4) + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/service_reflection_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/service_reflection_test.py new file mode 100644 index 0000000..8e72213 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/service_reflection_test.py @@ -0,0 +1,139 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests for google.protobuf.internal.service_reflection.""" + +__author__ = 'petar@google.com (Petar Petrov)' + + +import unittest + +from google.protobuf import unittest_pb2 +from google.protobuf import service_reflection +from google.protobuf import service + + +class FooUnitTest(unittest.TestCase): + + def testService(self): + class MockRpcChannel(service.RpcChannel): + def CallMethod(self, method, controller, request, response, callback): + self.method = method + self.controller = controller + self.request = request + callback(response) + + class MockRpcController(service.RpcController): + def SetFailed(self, msg): + self.failure_message = msg + + self.callback_response = None + + class MyService(unittest_pb2.TestService): + pass + + self.callback_response = None + + def MyCallback(response): + self.callback_response = response + + rpc_controller = MockRpcController() + channel = MockRpcChannel() + srvc = MyService() + srvc.Foo(rpc_controller, unittest_pb2.FooRequest(), MyCallback) + self.assertEqual('Method Foo not implemented.', + rpc_controller.failure_message) + self.assertEqual(None, self.callback_response) + + rpc_controller.failure_message = None + + service_descriptor = unittest_pb2.TestService.GetDescriptor() + srvc.CallMethod(service_descriptor.methods[1], rpc_controller, + unittest_pb2.BarRequest(), MyCallback) + self.assertTrue(srvc.GetRequestClass(service_descriptor.methods[1]) is + unittest_pb2.BarRequest) + self.assertTrue(srvc.GetResponseClass(service_descriptor.methods[1]) is + unittest_pb2.BarResponse) + self.assertEqual('Method Bar not implemented.', + rpc_controller.failure_message) + self.assertEqual(None, self.callback_response) + + class MyServiceImpl(unittest_pb2.TestService): + def Foo(self, rpc_controller, request, done): + self.foo_called = True + def Bar(self, rpc_controller, request, done): + self.bar_called = True + + srvc = MyServiceImpl() + rpc_controller.failure_message = None + srvc.Foo(rpc_controller, unittest_pb2.FooRequest(), MyCallback) + self.assertEqual(None, rpc_controller.failure_message) + self.assertEqual(True, srvc.foo_called) + + rpc_controller.failure_message = None + srvc.CallMethod(service_descriptor.methods[1], rpc_controller, + unittest_pb2.BarRequest(), MyCallback) + self.assertEqual(None, rpc_controller.failure_message) + self.assertEqual(True, srvc.bar_called) + + def testServiceStub(self): + class MockRpcChannel(service.RpcChannel): + def CallMethod(self, method, controller, request, + response_class, callback): + self.method = method + self.controller = controller + self.request = request + callback(response_class()) + + self.callback_response = None + + def MyCallback(response): + self.callback_response = response + + channel = MockRpcChannel() + stub = unittest_pb2.TestService_Stub(channel) + rpc_controller = 'controller' + request = 'request' + + # GetDescriptor now static, still works as instance method for compatibility + self.assertEqual(unittest_pb2.TestService_Stub.GetDescriptor(), + stub.GetDescriptor()) + + # Invoke method. + stub.Foo(rpc_controller, request, MyCallback) + + self.assertIsInstance(self.callback_response, unittest_pb2.FooResponse) + self.assertEqual(request, channel.request) + self.assertEqual(rpc_controller, channel.controller) + self.assertEqual(stub.GetDescriptor().methods[0], channel.method) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/symbol_database_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/symbol_database_test.py new file mode 100644 index 0000000..4fdc4ee --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/symbol_database_test.py @@ -0,0 +1,133 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests for google.protobuf.symbol_database.""" + +import unittest + +from google.protobuf import unittest_pb2 +from google.protobuf import descriptor +from google.protobuf import descriptor_pool +from google.protobuf import symbol_database + + +class SymbolDatabaseTest(unittest.TestCase): + + def _Database(self): + if descriptor._USE_C_DESCRIPTORS: + # The C++ implementation does not allow mixing descriptors from + # different pools. + db = symbol_database.SymbolDatabase(pool=descriptor_pool.Default()) + else: + db = symbol_database.SymbolDatabase() + # Register representative types from unittest_pb2. + db.RegisterFileDescriptor(unittest_pb2.DESCRIPTOR) + db.RegisterMessage(unittest_pb2.TestAllTypes) + db.RegisterMessage(unittest_pb2.TestAllTypes.NestedMessage) + db.RegisterMessage(unittest_pb2.TestAllTypes.OptionalGroup) + db.RegisterMessage(unittest_pb2.TestAllTypes.RepeatedGroup) + db.RegisterEnumDescriptor(unittest_pb2.ForeignEnum.DESCRIPTOR) + db.RegisterEnumDescriptor(unittest_pb2.TestAllTypes.NestedEnum.DESCRIPTOR) + db.RegisterServiceDescriptor(unittest_pb2._TESTSERVICE) + return db + + def testGetPrototype(self): + instance = self._Database().GetPrototype( + unittest_pb2.TestAllTypes.DESCRIPTOR) + self.assertTrue(instance is unittest_pb2.TestAllTypes) + + def testGetMessages(self): + messages = self._Database().GetMessages( + ['google/protobuf/unittest.proto']) + self.assertTrue( + unittest_pb2.TestAllTypes is + messages['protobuf_unittest.TestAllTypes']) + + def testGetSymbol(self): + self.assertEqual( + unittest_pb2.TestAllTypes, self._Database().GetSymbol( + 'protobuf_unittest.TestAllTypes')) + self.assertEqual( + unittest_pb2.TestAllTypes.NestedMessage, self._Database().GetSymbol( + 'protobuf_unittest.TestAllTypes.NestedMessage')) + self.assertEqual( + unittest_pb2.TestAllTypes.OptionalGroup, self._Database().GetSymbol( + 'protobuf_unittest.TestAllTypes.OptionalGroup')) + self.assertEqual( + unittest_pb2.TestAllTypes.RepeatedGroup, self._Database().GetSymbol( + 'protobuf_unittest.TestAllTypes.RepeatedGroup')) + + def testEnums(self): + # Check registration of types in the pool. + self.assertEqual( + 'protobuf_unittest.ForeignEnum', + self._Database().pool.FindEnumTypeByName( + 'protobuf_unittest.ForeignEnum').full_name) + self.assertEqual( + 'protobuf_unittest.TestAllTypes.NestedEnum', + self._Database().pool.FindEnumTypeByName( + 'protobuf_unittest.TestAllTypes.NestedEnum').full_name) + + def testFindMessageTypeByName(self): + self.assertEqual( + 'protobuf_unittest.TestAllTypes', + self._Database().pool.FindMessageTypeByName( + 'protobuf_unittest.TestAllTypes').full_name) + self.assertEqual( + 'protobuf_unittest.TestAllTypes.NestedMessage', + self._Database().pool.FindMessageTypeByName( + 'protobuf_unittest.TestAllTypes.NestedMessage').full_name) + + def testFindServiceByName(self): + self.assertEqual( + 'protobuf_unittest.TestService', + self._Database().pool.FindServiceByName( + 'protobuf_unittest.TestService').full_name) + + def testFindFileContainingSymbol(self): + # Lookup based on either enum or message. + self.assertEqual( + 'google/protobuf/unittest.proto', + self._Database().pool.FindFileContainingSymbol( + 'protobuf_unittest.TestAllTypes.NestedEnum').name) + self.assertEqual( + 'google/protobuf/unittest.proto', + self._Database().pool.FindFileContainingSymbol( + 'protobuf_unittest.TestAllTypes').name) + + def testFindFileByName(self): + self.assertEqual( + 'google/protobuf/unittest.proto', + self._Database().pool.FindFileByName( + 'google/protobuf/unittest.proto').name) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/test_util.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/test_util.py new file mode 100644 index 0000000..32fb8fd --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/test_util.py @@ -0,0 +1,878 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Utilities for Python proto2 tests. + +This is intentionally modeled on C++ code in +//google/protobuf/test_util.*. +""" + +__author__ = 'robinson@google.com (Will Robinson)' + +import numbers +import operator +import os.path + +from google.protobuf import unittest_import_pb2 +from google.protobuf import unittest_pb2 + +try: + long # Python 2 +except NameError: + long = int # Python 3 + + +# Tests whether the given TestAllTypes message is proto2 or not. +# This is used to gate several fields/features that only exist +# for the proto2 version of the message. +def IsProto2(message): + return message.DESCRIPTOR.syntax == "proto2" + + +def SetAllNonLazyFields(message): + """Sets every non-lazy field in the message to a unique value. + + Args: + message: A TestAllTypes instance. + """ + + # + # Optional fields. + # + + message.optional_int32 = 101 + message.optional_int64 = 102 + message.optional_uint32 = 103 + message.optional_uint64 = 104 + message.optional_sint32 = 105 + message.optional_sint64 = 106 + message.optional_fixed32 = 107 + message.optional_fixed64 = 108 + message.optional_sfixed32 = 109 + message.optional_sfixed64 = 110 + message.optional_float = 111 + message.optional_double = 112 + message.optional_bool = True + message.optional_string = u'115' + message.optional_bytes = b'116' + + if IsProto2(message): + message.optionalgroup.a = 117 + message.optional_nested_message.bb = 118 + message.optional_foreign_message.c = 119 + message.optional_import_message.d = 120 + message.optional_public_import_message.e = 126 + + message.optional_nested_enum = unittest_pb2.TestAllTypes.BAZ + message.optional_foreign_enum = unittest_pb2.FOREIGN_BAZ + if IsProto2(message): + message.optional_import_enum = unittest_import_pb2.IMPORT_BAZ + + message.optional_string_piece = u'124' + message.optional_cord = u'125' + + # + # Repeated fields. + # + + message.repeated_int32.append(201) + message.repeated_int64.append(202) + message.repeated_uint32.append(203) + message.repeated_uint64.append(204) + message.repeated_sint32.append(205) + message.repeated_sint64.append(206) + message.repeated_fixed32.append(207) + message.repeated_fixed64.append(208) + message.repeated_sfixed32.append(209) + message.repeated_sfixed64.append(210) + message.repeated_float.append(211) + message.repeated_double.append(212) + message.repeated_bool.append(True) + message.repeated_string.append(u'215') + message.repeated_bytes.append(b'216') + + if IsProto2(message): + message.repeatedgroup.add().a = 217 + message.repeated_nested_message.add().bb = 218 + message.repeated_foreign_message.add().c = 219 + message.repeated_import_message.add().d = 220 + message.repeated_lazy_message.add().bb = 227 + + message.repeated_nested_enum.append(unittest_pb2.TestAllTypes.BAR) + message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_BAR) + if IsProto2(message): + message.repeated_import_enum.append(unittest_import_pb2.IMPORT_BAR) + + message.repeated_string_piece.append(u'224') + message.repeated_cord.append(u'225') + + # Add a second one of each field and set value by index. + message.repeated_int32.append(0) + message.repeated_int64.append(0) + message.repeated_uint32.append(0) + message.repeated_uint64.append(0) + message.repeated_sint32.append(0) + message.repeated_sint64.append(0) + message.repeated_fixed32.append(0) + message.repeated_fixed64.append(0) + message.repeated_sfixed32.append(0) + message.repeated_sfixed64.append(0) + message.repeated_float.append(0) + message.repeated_double.append(0) + message.repeated_bool.append(True) + message.repeated_string.append(u'0') + message.repeated_bytes.append(b'0') + message.repeated_int32[1] = 301 + message.repeated_int64[1] = 302 + message.repeated_uint32[1] = 303 + message.repeated_uint64[1] = 304 + message.repeated_sint32[1] = 305 + message.repeated_sint64[1] = 306 + message.repeated_fixed32[1] = 307 + message.repeated_fixed64[1] = 308 + message.repeated_sfixed32[1] = 309 + message.repeated_sfixed64[1] = 310 + message.repeated_float[1] = 311 + message.repeated_double[1] = 312 + message.repeated_bool[1] = False + message.repeated_string[1] = u'315' + message.repeated_bytes[1] = b'316' + + if IsProto2(message): + message.repeatedgroup.add().a = 317 + message.repeated_nested_message.add().bb = 318 + message.repeated_foreign_message.add().c = 319 + message.repeated_import_message.add().d = 320 + message.repeated_lazy_message.add().bb = 327 + + message.repeated_nested_enum.append(unittest_pb2.TestAllTypes.BAR) + message.repeated_nested_enum[1] = unittest_pb2.TestAllTypes.BAZ + message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_BAZ) + if IsProto2(message): + message.repeated_import_enum.append(unittest_import_pb2.IMPORT_BAZ) + + message.repeated_string_piece.append(u'324') + message.repeated_cord.append(u'325') + + # + # Fields that have defaults. + # + + if IsProto2(message): + message.default_int32 = 401 + message.default_int64 = 402 + message.default_uint32 = 403 + message.default_uint64 = 404 + message.default_sint32 = 405 + message.default_sint64 = 406 + message.default_fixed32 = 407 + message.default_fixed64 = 408 + message.default_sfixed32 = 409 + message.default_sfixed64 = 410 + message.default_float = 411 + message.default_double = 412 + message.default_bool = False + message.default_string = '415' + message.default_bytes = b'416' + + message.default_nested_enum = unittest_pb2.TestAllTypes.FOO + message.default_foreign_enum = unittest_pb2.FOREIGN_FOO + message.default_import_enum = unittest_import_pb2.IMPORT_FOO + + message.default_string_piece = '424' + message.default_cord = '425' + + message.oneof_uint32 = 601 + message.oneof_nested_message.bb = 602 + message.oneof_string = '603' + message.oneof_bytes = b'604' + + +def SetAllFields(message): + SetAllNonLazyFields(message) + message.optional_lazy_message.bb = 127 + message.optional_unverified_lazy_message.bb = 128 + + +def SetAllExtensions(message): + """Sets every extension in the message to a unique value. + + Args: + message: A unittest_pb2.TestAllExtensions instance. + """ + + extensions = message.Extensions + pb2 = unittest_pb2 + import_pb2 = unittest_import_pb2 + + # + # Optional fields. + # + + extensions[pb2.optional_int32_extension] = 101 + extensions[pb2.optional_int64_extension] = 102 + extensions[pb2.optional_uint32_extension] = 103 + extensions[pb2.optional_uint64_extension] = 104 + extensions[pb2.optional_sint32_extension] = 105 + extensions[pb2.optional_sint64_extension] = 106 + extensions[pb2.optional_fixed32_extension] = 107 + extensions[pb2.optional_fixed64_extension] = 108 + extensions[pb2.optional_sfixed32_extension] = 109 + extensions[pb2.optional_sfixed64_extension] = 110 + extensions[pb2.optional_float_extension] = 111 + extensions[pb2.optional_double_extension] = 112 + extensions[pb2.optional_bool_extension] = True + extensions[pb2.optional_string_extension] = u'115' + extensions[pb2.optional_bytes_extension] = b'116' + + extensions[pb2.optionalgroup_extension].a = 117 + extensions[pb2.optional_nested_message_extension].bb = 118 + extensions[pb2.optional_foreign_message_extension].c = 119 + extensions[pb2.optional_import_message_extension].d = 120 + extensions[pb2.optional_public_import_message_extension].e = 126 + extensions[pb2.optional_lazy_message_extension].bb = 127 + extensions[pb2.optional_unverified_lazy_message_extension].bb = 128 + + extensions[pb2.optional_nested_enum_extension] = pb2.TestAllTypes.BAZ + extensions[pb2.optional_nested_enum_extension] = pb2.TestAllTypes.BAZ + extensions[pb2.optional_foreign_enum_extension] = pb2.FOREIGN_BAZ + extensions[pb2.optional_import_enum_extension] = import_pb2.IMPORT_BAZ + + extensions[pb2.optional_string_piece_extension] = u'124' + extensions[pb2.optional_cord_extension] = u'125' + + # + # Repeated fields. + # + + extensions[pb2.repeated_int32_extension].append(201) + extensions[pb2.repeated_int64_extension].append(202) + extensions[pb2.repeated_uint32_extension].append(203) + extensions[pb2.repeated_uint64_extension].append(204) + extensions[pb2.repeated_sint32_extension].append(205) + extensions[pb2.repeated_sint64_extension].append(206) + extensions[pb2.repeated_fixed32_extension].append(207) + extensions[pb2.repeated_fixed64_extension].append(208) + extensions[pb2.repeated_sfixed32_extension].append(209) + extensions[pb2.repeated_sfixed64_extension].append(210) + extensions[pb2.repeated_float_extension].append(211) + extensions[pb2.repeated_double_extension].append(212) + extensions[pb2.repeated_bool_extension].append(True) + extensions[pb2.repeated_string_extension].append(u'215') + extensions[pb2.repeated_bytes_extension].append(b'216') + + extensions[pb2.repeatedgroup_extension].add().a = 217 + extensions[pb2.repeated_nested_message_extension].add().bb = 218 + extensions[pb2.repeated_foreign_message_extension].add().c = 219 + extensions[pb2.repeated_import_message_extension].add().d = 220 + extensions[pb2.repeated_lazy_message_extension].add().bb = 227 + + extensions[pb2.repeated_nested_enum_extension].append(pb2.TestAllTypes.BAR) + extensions[pb2.repeated_foreign_enum_extension].append(pb2.FOREIGN_BAR) + extensions[pb2.repeated_import_enum_extension].append(import_pb2.IMPORT_BAR) + + extensions[pb2.repeated_string_piece_extension].append(u'224') + extensions[pb2.repeated_cord_extension].append(u'225') + + # Append a second one of each field. + extensions[pb2.repeated_int32_extension].append(301) + extensions[pb2.repeated_int64_extension].append(302) + extensions[pb2.repeated_uint32_extension].append(303) + extensions[pb2.repeated_uint64_extension].append(304) + extensions[pb2.repeated_sint32_extension].append(305) + extensions[pb2.repeated_sint64_extension].append(306) + extensions[pb2.repeated_fixed32_extension].append(307) + extensions[pb2.repeated_fixed64_extension].append(308) + extensions[pb2.repeated_sfixed32_extension].append(309) + extensions[pb2.repeated_sfixed64_extension].append(310) + extensions[pb2.repeated_float_extension].append(311) + extensions[pb2.repeated_double_extension].append(312) + extensions[pb2.repeated_bool_extension].append(False) + extensions[pb2.repeated_string_extension].append(u'315') + extensions[pb2.repeated_bytes_extension].append(b'316') + + extensions[pb2.repeatedgroup_extension].add().a = 317 + extensions[pb2.repeated_nested_message_extension].add().bb = 318 + extensions[pb2.repeated_foreign_message_extension].add().c = 319 + extensions[pb2.repeated_import_message_extension].add().d = 320 + extensions[pb2.repeated_lazy_message_extension].add().bb = 327 + + extensions[pb2.repeated_nested_enum_extension].append(pb2.TestAllTypes.BAZ) + extensions[pb2.repeated_foreign_enum_extension].append(pb2.FOREIGN_BAZ) + extensions[pb2.repeated_import_enum_extension].append(import_pb2.IMPORT_BAZ) + + extensions[pb2.repeated_string_piece_extension].append(u'324') + extensions[pb2.repeated_cord_extension].append(u'325') + + # + # Fields with defaults. + # + + extensions[pb2.default_int32_extension] = 401 + extensions[pb2.default_int64_extension] = 402 + extensions[pb2.default_uint32_extension] = 403 + extensions[pb2.default_uint64_extension] = 404 + extensions[pb2.default_sint32_extension] = 405 + extensions[pb2.default_sint64_extension] = 406 + extensions[pb2.default_fixed32_extension] = 407 + extensions[pb2.default_fixed64_extension] = 408 + extensions[pb2.default_sfixed32_extension] = 409 + extensions[pb2.default_sfixed64_extension] = 410 + extensions[pb2.default_float_extension] = 411 + extensions[pb2.default_double_extension] = 412 + extensions[pb2.default_bool_extension] = False + extensions[pb2.default_string_extension] = u'415' + extensions[pb2.default_bytes_extension] = b'416' + + extensions[pb2.default_nested_enum_extension] = pb2.TestAllTypes.FOO + extensions[pb2.default_foreign_enum_extension] = pb2.FOREIGN_FOO + extensions[pb2.default_import_enum_extension] = import_pb2.IMPORT_FOO + + extensions[pb2.default_string_piece_extension] = u'424' + extensions[pb2.default_cord_extension] = '425' + + extensions[pb2.oneof_uint32_extension] = 601 + extensions[pb2.oneof_nested_message_extension].bb = 602 + extensions[pb2.oneof_string_extension] = u'603' + extensions[pb2.oneof_bytes_extension] = b'604' + + +def SetAllFieldsAndExtensions(message): + """Sets every field and extension in the message to a unique value. + + Args: + message: A unittest_pb2.TestAllExtensions message. + """ + message.my_int = 1 + message.my_string = 'foo' + message.my_float = 1.0 + message.Extensions[unittest_pb2.my_extension_int] = 23 + message.Extensions[unittest_pb2.my_extension_string] = 'bar' + + +def ExpectAllFieldsAndExtensionsInOrder(serialized): + """Ensures that serialized is the serialization we expect for a message + filled with SetAllFieldsAndExtensions(). (Specifically, ensures that the + serialization is in canonical, tag-number order). + """ + my_extension_int = unittest_pb2.my_extension_int + my_extension_string = unittest_pb2.my_extension_string + expected_strings = [] + message = unittest_pb2.TestFieldOrderings() + message.my_int = 1 # Field 1. + expected_strings.append(message.SerializeToString()) + message.Clear() + message.Extensions[my_extension_int] = 23 # Field 5. + expected_strings.append(message.SerializeToString()) + message.Clear() + message.my_string = 'foo' # Field 11. + expected_strings.append(message.SerializeToString()) + message.Clear() + message.Extensions[my_extension_string] = 'bar' # Field 50. + expected_strings.append(message.SerializeToString()) + message.Clear() + message.my_float = 1.0 + expected_strings.append(message.SerializeToString()) + message.Clear() + expected = b''.join(expected_strings) + + if expected != serialized: + raise ValueError('Expected %r, found %r' % (expected, serialized)) + + +def ExpectAllFieldsSet(test_case, message): + """Check all fields for correct values have after Set*Fields() is called.""" + test_case.assertTrue(message.HasField('optional_int32')) + test_case.assertTrue(message.HasField('optional_int64')) + test_case.assertTrue(message.HasField('optional_uint32')) + test_case.assertTrue(message.HasField('optional_uint64')) + test_case.assertTrue(message.HasField('optional_sint32')) + test_case.assertTrue(message.HasField('optional_sint64')) + test_case.assertTrue(message.HasField('optional_fixed32')) + test_case.assertTrue(message.HasField('optional_fixed64')) + test_case.assertTrue(message.HasField('optional_sfixed32')) + test_case.assertTrue(message.HasField('optional_sfixed64')) + test_case.assertTrue(message.HasField('optional_float')) + test_case.assertTrue(message.HasField('optional_double')) + test_case.assertTrue(message.HasField('optional_bool')) + test_case.assertTrue(message.HasField('optional_string')) + test_case.assertTrue(message.HasField('optional_bytes')) + + if IsProto2(message): + test_case.assertTrue(message.HasField('optionalgroup')) + test_case.assertTrue(message.HasField('optional_nested_message')) + test_case.assertTrue(message.HasField('optional_foreign_message')) + test_case.assertTrue(message.HasField('optional_import_message')) + + test_case.assertTrue(message.optionalgroup.HasField('a')) + test_case.assertTrue(message.optional_nested_message.HasField('bb')) + test_case.assertTrue(message.optional_foreign_message.HasField('c')) + test_case.assertTrue(message.optional_import_message.HasField('d')) + + test_case.assertTrue(message.HasField('optional_nested_enum')) + test_case.assertTrue(message.HasField('optional_foreign_enum')) + if IsProto2(message): + test_case.assertTrue(message.HasField('optional_import_enum')) + + test_case.assertTrue(message.HasField('optional_string_piece')) + test_case.assertTrue(message.HasField('optional_cord')) + + test_case.assertEqual(101, message.optional_int32) + test_case.assertEqual(102, message.optional_int64) + test_case.assertEqual(103, message.optional_uint32) + test_case.assertEqual(104, message.optional_uint64) + test_case.assertEqual(105, message.optional_sint32) + test_case.assertEqual(106, message.optional_sint64) + test_case.assertEqual(107, message.optional_fixed32) + test_case.assertEqual(108, message.optional_fixed64) + test_case.assertEqual(109, message.optional_sfixed32) + test_case.assertEqual(110, message.optional_sfixed64) + test_case.assertEqual(111, message.optional_float) + test_case.assertEqual(112, message.optional_double) + test_case.assertEqual(True, message.optional_bool) + test_case.assertEqual('115', message.optional_string) + test_case.assertEqual(b'116', message.optional_bytes) + + if IsProto2(message): + test_case.assertEqual(117, message.optionalgroup.a) + test_case.assertEqual(118, message.optional_nested_message.bb) + test_case.assertEqual(119, message.optional_foreign_message.c) + test_case.assertEqual(120, message.optional_import_message.d) + test_case.assertEqual(126, message.optional_public_import_message.e) + test_case.assertEqual(127, message.optional_lazy_message.bb) + test_case.assertEqual(128, message.optional_unverified_lazy_message.bb) + + test_case.assertEqual(unittest_pb2.TestAllTypes.BAZ, + message.optional_nested_enum) + test_case.assertEqual(unittest_pb2.FOREIGN_BAZ, + message.optional_foreign_enum) + if IsProto2(message): + test_case.assertEqual(unittest_import_pb2.IMPORT_BAZ, + message.optional_import_enum) + + # ----------------------------------------------------------------- + + test_case.assertEqual(2, len(message.repeated_int32)) + test_case.assertEqual(2, len(message.repeated_int64)) + test_case.assertEqual(2, len(message.repeated_uint32)) + test_case.assertEqual(2, len(message.repeated_uint64)) + test_case.assertEqual(2, len(message.repeated_sint32)) + test_case.assertEqual(2, len(message.repeated_sint64)) + test_case.assertEqual(2, len(message.repeated_fixed32)) + test_case.assertEqual(2, len(message.repeated_fixed64)) + test_case.assertEqual(2, len(message.repeated_sfixed32)) + test_case.assertEqual(2, len(message.repeated_sfixed64)) + test_case.assertEqual(2, len(message.repeated_float)) + test_case.assertEqual(2, len(message.repeated_double)) + test_case.assertEqual(2, len(message.repeated_bool)) + test_case.assertEqual(2, len(message.repeated_string)) + test_case.assertEqual(2, len(message.repeated_bytes)) + + if IsProto2(message): + test_case.assertEqual(2, len(message.repeatedgroup)) + test_case.assertEqual(2, len(message.repeated_nested_message)) + test_case.assertEqual(2, len(message.repeated_foreign_message)) + test_case.assertEqual(2, len(message.repeated_import_message)) + test_case.assertEqual(2, len(message.repeated_nested_enum)) + test_case.assertEqual(2, len(message.repeated_foreign_enum)) + if IsProto2(message): + test_case.assertEqual(2, len(message.repeated_import_enum)) + + test_case.assertEqual(2, len(message.repeated_string_piece)) + test_case.assertEqual(2, len(message.repeated_cord)) + + test_case.assertEqual(201, message.repeated_int32[0]) + test_case.assertEqual(202, message.repeated_int64[0]) + test_case.assertEqual(203, message.repeated_uint32[0]) + test_case.assertEqual(204, message.repeated_uint64[0]) + test_case.assertEqual(205, message.repeated_sint32[0]) + test_case.assertEqual(206, message.repeated_sint64[0]) + test_case.assertEqual(207, message.repeated_fixed32[0]) + test_case.assertEqual(208, message.repeated_fixed64[0]) + test_case.assertEqual(209, message.repeated_sfixed32[0]) + test_case.assertEqual(210, message.repeated_sfixed64[0]) + test_case.assertEqual(211, message.repeated_float[0]) + test_case.assertEqual(212, message.repeated_double[0]) + test_case.assertEqual(True, message.repeated_bool[0]) + test_case.assertEqual('215', message.repeated_string[0]) + test_case.assertEqual(b'216', message.repeated_bytes[0]) + + if IsProto2(message): + test_case.assertEqual(217, message.repeatedgroup[0].a) + test_case.assertEqual(218, message.repeated_nested_message[0].bb) + test_case.assertEqual(219, message.repeated_foreign_message[0].c) + test_case.assertEqual(220, message.repeated_import_message[0].d) + test_case.assertEqual(227, message.repeated_lazy_message[0].bb) + + test_case.assertEqual(unittest_pb2.TestAllTypes.BAR, + message.repeated_nested_enum[0]) + test_case.assertEqual(unittest_pb2.FOREIGN_BAR, + message.repeated_foreign_enum[0]) + if IsProto2(message): + test_case.assertEqual(unittest_import_pb2.IMPORT_BAR, + message.repeated_import_enum[0]) + + test_case.assertEqual(301, message.repeated_int32[1]) + test_case.assertEqual(302, message.repeated_int64[1]) + test_case.assertEqual(303, message.repeated_uint32[1]) + test_case.assertEqual(304, message.repeated_uint64[1]) + test_case.assertEqual(305, message.repeated_sint32[1]) + test_case.assertEqual(306, message.repeated_sint64[1]) + test_case.assertEqual(307, message.repeated_fixed32[1]) + test_case.assertEqual(308, message.repeated_fixed64[1]) + test_case.assertEqual(309, message.repeated_sfixed32[1]) + test_case.assertEqual(310, message.repeated_sfixed64[1]) + test_case.assertEqual(311, message.repeated_float[1]) + test_case.assertEqual(312, message.repeated_double[1]) + test_case.assertEqual(False, message.repeated_bool[1]) + test_case.assertEqual('315', message.repeated_string[1]) + test_case.assertEqual(b'316', message.repeated_bytes[1]) + + if IsProto2(message): + test_case.assertEqual(317, message.repeatedgroup[1].a) + test_case.assertEqual(318, message.repeated_nested_message[1].bb) + test_case.assertEqual(319, message.repeated_foreign_message[1].c) + test_case.assertEqual(320, message.repeated_import_message[1].d) + test_case.assertEqual(327, message.repeated_lazy_message[1].bb) + + test_case.assertEqual(unittest_pb2.TestAllTypes.BAZ, + message.repeated_nested_enum[1]) + test_case.assertEqual(unittest_pb2.FOREIGN_BAZ, + message.repeated_foreign_enum[1]) + if IsProto2(message): + test_case.assertEqual(unittest_import_pb2.IMPORT_BAZ, + message.repeated_import_enum[1]) + + # ----------------------------------------------------------------- + + if IsProto2(message): + test_case.assertTrue(message.HasField('default_int32')) + test_case.assertTrue(message.HasField('default_int64')) + test_case.assertTrue(message.HasField('default_uint32')) + test_case.assertTrue(message.HasField('default_uint64')) + test_case.assertTrue(message.HasField('default_sint32')) + test_case.assertTrue(message.HasField('default_sint64')) + test_case.assertTrue(message.HasField('default_fixed32')) + test_case.assertTrue(message.HasField('default_fixed64')) + test_case.assertTrue(message.HasField('default_sfixed32')) + test_case.assertTrue(message.HasField('default_sfixed64')) + test_case.assertTrue(message.HasField('default_float')) + test_case.assertTrue(message.HasField('default_double')) + test_case.assertTrue(message.HasField('default_bool')) + test_case.assertTrue(message.HasField('default_string')) + test_case.assertTrue(message.HasField('default_bytes')) + + test_case.assertTrue(message.HasField('default_nested_enum')) + test_case.assertTrue(message.HasField('default_foreign_enum')) + test_case.assertTrue(message.HasField('default_import_enum')) + + test_case.assertEqual(401, message.default_int32) + test_case.assertEqual(402, message.default_int64) + test_case.assertEqual(403, message.default_uint32) + test_case.assertEqual(404, message.default_uint64) + test_case.assertEqual(405, message.default_sint32) + test_case.assertEqual(406, message.default_sint64) + test_case.assertEqual(407, message.default_fixed32) + test_case.assertEqual(408, message.default_fixed64) + test_case.assertEqual(409, message.default_sfixed32) + test_case.assertEqual(410, message.default_sfixed64) + test_case.assertEqual(411, message.default_float) + test_case.assertEqual(412, message.default_double) + test_case.assertEqual(False, message.default_bool) + test_case.assertEqual('415', message.default_string) + test_case.assertEqual(b'416', message.default_bytes) + + test_case.assertEqual(unittest_pb2.TestAllTypes.FOO, + message.default_nested_enum) + test_case.assertEqual(unittest_pb2.FOREIGN_FOO, + message.default_foreign_enum) + test_case.assertEqual(unittest_import_pb2.IMPORT_FOO, + message.default_import_enum) + + +def GoldenFile(filename): + """Finds the given golden file and returns a file object representing it.""" + + # Search up the directory tree looking for the C++ protobuf source code. + path = '.' + while os.path.exists(path): + if os.path.exists(os.path.join(path, 'src/google/protobuf')): + # Found it. Load the golden file from the testdata directory. + full_path = os.path.join(path, 'src/google/protobuf/testdata', filename) + return open(full_path, 'rb') + path = os.path.join(path, '..') + + # Search internally. + path = '.' + full_path = os.path.join(path, 'third_party/py/google/protobuf/testdata', + filename) + if os.path.exists(full_path): + # Found it. Load the golden file from the testdata directory. + return open(full_path, 'rb') + + # Search for cross-repo path. + full_path = os.path.join('external/com_google_protobuf/src/google/protobuf/testdata', + filename) + if os.path.exists(full_path): + # Found it. Load the golden file from the testdata directory. + return open(full_path, 'rb') + + raise RuntimeError( + 'Could not find golden files. This test must be run from within the ' + 'protobuf source package so that it can read test data files from the ' + 'C++ source tree.') + + +def GoldenFileData(filename): + """Finds the given golden file and returns its contents.""" + with GoldenFile(filename) as f: + return f.read() + + +def SetAllPackedFields(message): + """Sets every field in the message to a unique value. + + Args: + message: A TestPackedTypes instance. + """ + message.packed_int32.extend([601, 701]) + message.packed_int64.extend([602, 702]) + message.packed_uint32.extend([603, 703]) + message.packed_uint64.extend([604, 704]) + message.packed_sint32.extend([605, 705]) + message.packed_sint64.extend([606, 706]) + message.packed_fixed32.extend([607, 707]) + message.packed_fixed64.extend([608, 708]) + message.packed_sfixed32.extend([609, 709]) + message.packed_sfixed64.extend([610, 710]) + message.packed_float.extend([611.0, 711.0]) + message.packed_double.extend([612.0, 712.0]) + message.packed_bool.extend([True, False]) + message.packed_enum.extend([unittest_pb2.FOREIGN_BAR, + unittest_pb2.FOREIGN_BAZ]) + + +def SetAllPackedExtensions(message): + """Sets every extension in the message to a unique value. + + Args: + message: A unittest_pb2.TestPackedExtensions instance. + """ + extensions = message.Extensions + pb2 = unittest_pb2 + + extensions[pb2.packed_int32_extension].extend([601, 701]) + extensions[pb2.packed_int64_extension].extend([602, 702]) + extensions[pb2.packed_uint32_extension].extend([603, 703]) + extensions[pb2.packed_uint64_extension].extend([604, 704]) + extensions[pb2.packed_sint32_extension].extend([605, 705]) + extensions[pb2.packed_sint64_extension].extend([606, 706]) + extensions[pb2.packed_fixed32_extension].extend([607, 707]) + extensions[pb2.packed_fixed64_extension].extend([608, 708]) + extensions[pb2.packed_sfixed32_extension].extend([609, 709]) + extensions[pb2.packed_sfixed64_extension].extend([610, 710]) + extensions[pb2.packed_float_extension].extend([611.0, 711.0]) + extensions[pb2.packed_double_extension].extend([612.0, 712.0]) + extensions[pb2.packed_bool_extension].extend([True, False]) + extensions[pb2.packed_enum_extension].extend([unittest_pb2.FOREIGN_BAR, + unittest_pb2.FOREIGN_BAZ]) + + +def SetAllUnpackedFields(message): + """Sets every field in the message to a unique value. + + Args: + message: A unittest_pb2.TestUnpackedTypes instance. + """ + message.unpacked_int32.extend([601, 701]) + message.unpacked_int64.extend([602, 702]) + message.unpacked_uint32.extend([603, 703]) + message.unpacked_uint64.extend([604, 704]) + message.unpacked_sint32.extend([605, 705]) + message.unpacked_sint64.extend([606, 706]) + message.unpacked_fixed32.extend([607, 707]) + message.unpacked_fixed64.extend([608, 708]) + message.unpacked_sfixed32.extend([609, 709]) + message.unpacked_sfixed64.extend([610, 710]) + message.unpacked_float.extend([611.0, 711.0]) + message.unpacked_double.extend([612.0, 712.0]) + message.unpacked_bool.extend([True, False]) + message.unpacked_enum.extend([unittest_pb2.FOREIGN_BAR, + unittest_pb2.FOREIGN_BAZ]) + + +class NonStandardInteger(numbers.Integral): + """An integer object that does not subclass int. + + This is used to verify that both C++ and regular proto systems can handle + integer others than int and long and that they handle them in predictable + ways. + + NonStandardInteger is the minimal legal specification for a custom Integral. + As such, it does not support 0 < x < 5 and it is not hashable. + + Note: This is added here instead of relying on numpy or a similar library + with custom integers to limit dependencies. + """ + + def __init__(self, val, error_string_on_conversion=None): + assert isinstance(val, numbers.Integral) + if isinstance(val, NonStandardInteger): + val = val.val + self.val = val + self.error_string_on_conversion = error_string_on_conversion + + def __long__(self): + if self.error_string_on_conversion: + raise RuntimeError(self.error_string_on_conversion) + return long(self.val) + + def __abs__(self): + return NonStandardInteger(operator.abs(self.val)) + + def __add__(self, y): + return NonStandardInteger(operator.add(self.val, y)) + + def __div__(self, y): + return NonStandardInteger(operator.div(self.val, y)) + + def __eq__(self, y): + return operator.eq(self.val, y) + + def __floordiv__(self, y): + return NonStandardInteger(operator.floordiv(self.val, y)) + + def __truediv__(self, y): + return NonStandardInteger(operator.truediv(self.val, y)) + + def __invert__(self): + return NonStandardInteger(operator.invert(self.val)) + + def __mod__(self, y): + return NonStandardInteger(operator.mod(self.val, y)) + + def __mul__(self, y): + return NonStandardInteger(operator.mul(self.val, y)) + + def __neg__(self): + return NonStandardInteger(operator.neg(self.val)) + + def __pos__(self): + return NonStandardInteger(operator.pos(self.val)) + + def __pow__(self, y): + return NonStandardInteger(operator.pow(self.val, y)) + + def __trunc__(self): + return int(self.val) + + def __radd__(self, y): + return NonStandardInteger(operator.add(y, self.val)) + + def __rdiv__(self, y): + return NonStandardInteger(operator.div(y, self.val)) + + def __rmod__(self, y): + return NonStandardInteger(operator.mod(y, self.val)) + + def __rmul__(self, y): + return NonStandardInteger(operator.mul(y, self.val)) + + def __rpow__(self, y): + return NonStandardInteger(operator.pow(y, self.val)) + + def __rfloordiv__(self, y): + return NonStandardInteger(operator.floordiv(y, self.val)) + + def __rtruediv__(self, y): + return NonStandardInteger(operator.truediv(y, self.val)) + + def __lshift__(self, y): + return NonStandardInteger(operator.lshift(self.val, y)) + + def __rshift__(self, y): + return NonStandardInteger(operator.rshift(self.val, y)) + + def __rlshift__(self, y): + return NonStandardInteger(operator.lshift(y, self.val)) + + def __rrshift__(self, y): + return NonStandardInteger(operator.rshift(y, self.val)) + + def __le__(self, y): + if isinstance(y, NonStandardInteger): + y = y.val + return operator.le(self.val, y) + + def __lt__(self, y): + if isinstance(y, NonStandardInteger): + y = y.val + return operator.lt(self.val, y) + + def __and__(self, y): + return NonStandardInteger(operator.and_(self.val, y)) + + def __or__(self, y): + return NonStandardInteger(operator.or_(self.val, y)) + + def __xor__(self, y): + return NonStandardInteger(operator.xor(self.val, y)) + + def __rand__(self, y): + return NonStandardInteger(operator.and_(y, self.val)) + + def __ror__(self, y): + return NonStandardInteger(operator.or_(y, self.val)) + + def __rxor__(self, y): + return NonStandardInteger(operator.xor(y, self.val)) + + def __bool__(self): + return self.val + + def __nonzero__(self): + return self.val + + def __ceil__(self): + return self + + def __floor__(self): + return self + + def __int__(self): + if self.error_string_on_conversion: + raise RuntimeError(self.error_string_on_conversion) + return int(self.val) + + def __round__(self): + return self + + def __repr__(self): + return 'NonStandardInteger(%s)' % self.val diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/testing_refleaks.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/testing_refleaks.py new file mode 100644 index 0000000..5f19c46 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/testing_refleaks.py @@ -0,0 +1,142 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""A subclass of unittest.TestCase which checks for reference leaks. + +To use: +- Use testing_refleak.BaseTestCase instead of unittest.TestCase +- Configure and compile Python with --with-pydebug + +If sys.gettotalrefcount() is not available (because Python was built without +the Py_DEBUG option), then this module is a no-op and tests will run normally. +""" + +import copyreg +import gc +import sys +import unittest + + +class LocalTestResult(unittest.TestResult): + """A TestResult which forwards events to a parent object, except for Skips.""" + + def __init__(self, parent_result): + unittest.TestResult.__init__(self) + self.parent_result = parent_result + + def addError(self, test, error): + self.parent_result.addError(test, error) + + def addFailure(self, test, error): + self.parent_result.addFailure(test, error) + + def addSkip(self, test, reason): + pass + + +class ReferenceLeakCheckerMixin(object): + """A mixin class for TestCase, which checks reference counts.""" + + NB_RUNS = 3 + + def run(self, result=None): + testMethod = getattr(self, self._testMethodName) + expecting_failure_method = getattr(testMethod, "__unittest_expecting_failure__", False) + expecting_failure_class = getattr(self, "__unittest_expecting_failure__", False) + if expecting_failure_class or expecting_failure_method: + return + + # python_message.py registers all Message classes to some pickle global + # registry, which makes the classes immortal. + # We save a copy of this registry, and reset it before we could references. + self._saved_pickle_registry = copyreg.dispatch_table.copy() + + # Run the test twice, to warm up the instance attributes. + super(ReferenceLeakCheckerMixin, self).run(result=result) + super(ReferenceLeakCheckerMixin, self).run(result=result) + + oldrefcount = 0 + local_result = LocalTestResult(result) + num_flakes = 0 + + refcount_deltas = [] + while len(refcount_deltas) < self.NB_RUNS: + oldrefcount = self._getRefcounts() + super(ReferenceLeakCheckerMixin, self).run(result=local_result) + newrefcount = self._getRefcounts() + # If the GC was able to collect some objects after the call to run() that + # it could not collect before the call, then the counts won't match. + if newrefcount < oldrefcount and num_flakes < 2: + # This result is (probably) a flake -- garbage collectors aren't very + # predictable, but a lower ending refcount is the opposite of the + # failure we are testing for. If the result is repeatable, then we will + # eventually report it, but not after trying to eliminate it. + num_flakes += 1 + continue + num_flakes = 0 + refcount_deltas.append(newrefcount - oldrefcount) + print(refcount_deltas, self) + + try: + self.assertEqual(refcount_deltas, [0] * self.NB_RUNS) + except Exception: # pylint: disable=broad-except + result.addError(self, sys.exc_info()) + + def _getRefcounts(self): + copyreg.dispatch_table.clear() + copyreg.dispatch_table.update(self._saved_pickle_registry) + # It is sometimes necessary to gc.collect() multiple times, to ensure + # that all objects can be collected. + gc.collect() + gc.collect() + gc.collect() + return sys.gettotalrefcount() + + +if hasattr(sys, 'gettotalrefcount'): + + def TestCase(test_class): + new_bases = (ReferenceLeakCheckerMixin,) + test_class.__bases__ + new_class = type(test_class)( + test_class.__name__, new_bases, dict(test_class.__dict__)) + return new_class + SkipReferenceLeakChecker = unittest.skip + +else: + # When PyDEBUG is not enabled, run the tests normally. + + def TestCase(test_class): + return test_class + + def SkipReferenceLeakChecker(reason): + del reason # Don't skip, so don't need a reason. + def Same(func): + return func + return Same diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/text_encoding_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/text_encoding_test.py new file mode 100644 index 0000000..f36a2cc --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/text_encoding_test.py @@ -0,0 +1,67 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests for google.protobuf.text_encoding.""" + +import unittest + +from google.protobuf import text_encoding + +TEST_VALUES = [ + ("foo\\rbar\\nbaz\\t", + "foo\\rbar\\nbaz\\t", + b"foo\rbar\nbaz\t"), + ("\\'full of \\\"sound\\\" and \\\"fury\\\"\\'", + "\\'full of \\\"sound\\\" and \\\"fury\\\"\\'", + b"'full of \"sound\" and \"fury\"'"), + ("signi\\\\fying\\\\ nothing\\\\", + "signi\\\\fying\\\\ nothing\\\\", + b"signi\\fying\\ nothing\\"), + ("\\010\\t\\n\\013\\014\\r", + "\x08\\t\\n\x0b\x0c\\r", + b"\010\011\012\013\014\015")] + + +class TextEncodingTestCase(unittest.TestCase): + def testCEscape(self): + for escaped, escaped_utf8, unescaped in TEST_VALUES: + self.assertEqual(escaped, + text_encoding.CEscape(unescaped, as_utf8=False)) + self.assertEqual(escaped_utf8, + text_encoding.CEscape(unescaped, as_utf8=True)) + + def testCUnescape(self): + for escaped, escaped_utf8, unescaped in TEST_VALUES: + self.assertEqual(unescaped, text_encoding.CUnescape(escaped)) + self.assertEqual(unescaped, text_encoding.CUnescape(escaped_utf8)) + + +if __name__ == "__main__": + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/text_format_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/text_format_test.py new file mode 100644 index 0000000..18b784e --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/text_format_test.py @@ -0,0 +1,2447 @@ +# -*- coding: utf-8 -*- +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Test for google.protobuf.text_format.""" + +import io +import math +import re +import string +import textwrap + +import unittest + +from google.protobuf import any_pb2 +from google.protobuf import struct_pb2 +from google.protobuf import any_test_pb2 +from google.protobuf import map_unittest_pb2 +from google.protobuf import unittest_custom_options_pb2 +from google.protobuf import unittest_mset_pb2 +from google.protobuf import unittest_pb2 +from google.protobuf import unittest_proto3_arena_pb2 +from google.protobuf import descriptor_pb2 +from google.protobuf.internal import any_test_pb2 as test_extend_any +from google.protobuf.internal import api_implementation +from google.protobuf.internal import message_set_extensions_pb2 +from google.protobuf.internal import test_proto3_optional_pb2 +from google.protobuf.internal import test_util +from google.protobuf import descriptor_pool +from google.protobuf import text_format +from google.protobuf.internal import _parameterized +# pylint: enable=g-import-not-at-top + + +# Low-level nuts-n-bolts tests. +class SimpleTextFormatTests(unittest.TestCase): + + # The members of _QUOTES are formatted into a regexp template that + # expects single characters. Therefore it's an error (in addition to being + # non-sensical in the first place) to try to specify a "quote mark" that is + # more than one character. + def testQuoteMarksAreSingleChars(self): + for quote in text_format._QUOTES: + self.assertEqual(1, len(quote)) + + +# Base class with some common functionality. +class TextFormatBase(unittest.TestCase): + + def ReadGolden(self, golden_filename): + with test_util.GoldenFile(golden_filename) as f: + return (f.readlines() if str is bytes else # PY3 + [golden_line.decode('utf-8') for golden_line in f]) + + def CompareToGoldenFile(self, text, golden_filename): + golden_lines = self.ReadGolden(golden_filename) + self.assertMultiLineEqual(text, ''.join(golden_lines)) + + def CompareToGoldenText(self, text, golden_text): + self.assertEqual(text, golden_text) + + def RemoveRedundantZeros(self, text): + # Some platforms print 1e+5 as 1e+005. This is fine, but we need to remove + # these zeros in order to match the golden file. + text = text.replace('e+0','e+').replace('e+0','e+') \ + .replace('e-0','e-').replace('e-0','e-') + # Floating point fields are printed with .0 suffix even if they are + # actually integer numbers. + text = re.compile(r'\.0$', re.MULTILINE).sub('', text) + return text + + +@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2) +class TextFormatMessageToStringTests(TextFormatBase): + + def testPrintExotic(self, message_module): + message = message_module.TestAllTypes() + message.repeated_int64.append(-9223372036854775808) + message.repeated_uint64.append(18446744073709551615) + message.repeated_double.append(123.456) + message.repeated_double.append(1.23e22) + message.repeated_double.append(1.23e-18) + message.repeated_string.append('\000\001\a\b\f\n\r\t\v\\\'"') + message.repeated_string.append(u'\u00fc\ua71f') + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_format.MessageToString(message)), + 'repeated_int64: -9223372036854775808\n' + 'repeated_uint64: 18446744073709551615\n' + 'repeated_double: 123.456\n' + 'repeated_double: 1.23e+22\n' + 'repeated_double: 1.23e-18\n' + 'repeated_string:' + ' "\\000\\001\\007\\010\\014\\n\\r\\t\\013\\\\\\\'\\""\n' + 'repeated_string: "\\303\\274\\352\\234\\237"\n') + + def testPrintFloatPrecision(self, message_module): + message = message_module.TestAllTypes() + + message.repeated_float.append(0.0) + message.repeated_float.append(0.8) + message.repeated_float.append(1.0) + message.repeated_float.append(1.2) + message.repeated_float.append(1.23) + message.repeated_float.append(1.234) + message.repeated_float.append(1.2345) + message.repeated_float.append(1.23456) + message.repeated_float.append(1.2e10) + message.repeated_float.append(1.23e10) + message.repeated_float.append(1.234e10) + message.repeated_float.append(1.2345e10) + message.repeated_float.append(1.23456e10) + message.repeated_float.append(float('NaN')) + message.repeated_float.append(float('inf')) + message.repeated_double.append(0.0) + message.repeated_double.append(0.8) + message.repeated_double.append(1.0) + message.repeated_double.append(1.2) + message.repeated_double.append(1.23) + message.repeated_double.append(1.234) + message.repeated_double.append(1.2345) + message.repeated_double.append(1.23456) + message.repeated_double.append(1.234567) + message.repeated_double.append(1.2345678) + message.repeated_double.append(1.23456789) + message.repeated_double.append(1.234567898) + message.repeated_double.append(1.2345678987) + message.repeated_double.append(1.23456789876) + message.repeated_double.append(1.234567898765) + message.repeated_double.append(1.2345678987654) + message.repeated_double.append(1.23456789876543) + message.repeated_double.append(1.2e100) + message.repeated_double.append(1.23e100) + message.repeated_double.append(1.234e100) + message.repeated_double.append(1.2345e100) + message.repeated_double.append(1.23456e100) + message.repeated_double.append(1.234567e100) + message.repeated_double.append(1.2345678e100) + message.repeated_double.append(1.23456789e100) + message.repeated_double.append(1.234567898e100) + message.repeated_double.append(1.2345678987e100) + message.repeated_double.append(1.23456789876e100) + message.repeated_double.append(1.234567898765e100) + message.repeated_double.append(1.2345678987654e100) + message.repeated_double.append(1.23456789876543e100) + # pylint: disable=g-long-ternary + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_format.MessageToString(message)), + 'repeated_float: 0\n' + 'repeated_float: 0.8\n' + 'repeated_float: 1\n' + 'repeated_float: 1.2\n' + 'repeated_float: 1.23\n' + 'repeated_float: 1.234\n' + 'repeated_float: 1.2345\n' + 'repeated_float: 1.23456\n' + # Note that these don't use scientific notation. + 'repeated_float: 12000000000\n' + 'repeated_float: 12300000000\n' + 'repeated_float: 12340000000\n' + 'repeated_float: 12345000000\n' + 'repeated_float: 12345600000\n' + 'repeated_float: nan\n' + 'repeated_float: inf\n' + 'repeated_double: 0\n' + 'repeated_double: 0.8\n' + 'repeated_double: 1\n' + 'repeated_double: 1.2\n' + 'repeated_double: 1.23\n' + 'repeated_double: 1.234\n' + 'repeated_double: 1.2345\n' + 'repeated_double: 1.23456\n' + 'repeated_double: 1.234567\n' + 'repeated_double: 1.2345678\n' + 'repeated_double: 1.23456789\n' + 'repeated_double: 1.234567898\n' + 'repeated_double: 1.2345678987\n' + 'repeated_double: 1.23456789876\n' + 'repeated_double: 1.234567898765\n' + 'repeated_double: 1.2345678987654\n' + 'repeated_double: 1.23456789876543\n' + 'repeated_double: 1.2e+100\n' + 'repeated_double: 1.23e+100\n' + 'repeated_double: 1.234e+100\n' + 'repeated_double: 1.2345e+100\n' + 'repeated_double: 1.23456e+100\n' + 'repeated_double: 1.234567e+100\n' + 'repeated_double: 1.2345678e+100\n' + 'repeated_double: 1.23456789e+100\n' + 'repeated_double: 1.234567898e+100\n' + 'repeated_double: 1.2345678987e+100\n' + 'repeated_double: 1.23456789876e+100\n' + 'repeated_double: 1.234567898765e+100\n' + 'repeated_double: 1.2345678987654e+100\n' + 'repeated_double: 1.23456789876543e+100\n') + + def testPrintExoticUnicodeSubclass(self, message_module): + + class UnicodeSub(str): + pass + + message = message_module.TestAllTypes() + message.repeated_string.append(UnicodeSub(u'\u00fc\ua71f')) + self.CompareToGoldenText( + text_format.MessageToString(message), + 'repeated_string: "\\303\\274\\352\\234\\237"\n') + + def testPrintNestedMessageAsOneLine(self, message_module): + message = message_module.TestAllTypes() + msg = message.repeated_nested_message.add() + msg.bb = 42 + self.CompareToGoldenText( + text_format.MessageToString(message, as_one_line=True), + 'repeated_nested_message { bb: 42 }') + + def testPrintRepeatedFieldsAsOneLine(self, message_module): + message = message_module.TestAllTypes() + message.repeated_int32.append(1) + message.repeated_int32.append(1) + message.repeated_int32.append(3) + message.repeated_string.append('Google') + message.repeated_string.append('Zurich') + self.CompareToGoldenText( + text_format.MessageToString(message, as_one_line=True), + 'repeated_int32: 1 repeated_int32: 1 repeated_int32: 3 ' + 'repeated_string: "Google" repeated_string: "Zurich"') + + def VerifyPrintShortFormatRepeatedFields(self, message_module, as_one_line): + message = message_module.TestAllTypes() + message.repeated_int32.append(1) + message.repeated_string.append('Google') + message.repeated_string.append('Hello,World') + message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_FOO) + message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_BAR) + message.repeated_foreign_enum.append(unittest_pb2.FOREIGN_BAZ) + message.optional_nested_message.bb = 3 + for i in (21, 32): + msg = message.repeated_nested_message.add() + msg.bb = i + expected_ascii = ( + 'optional_nested_message {\n bb: 3\n}\n' + 'repeated_int32: [1]\n' + 'repeated_string: "Google"\n' + 'repeated_string: "Hello,World"\n' + 'repeated_nested_message {\n bb: 21\n}\n' + 'repeated_nested_message {\n bb: 32\n}\n' + 'repeated_foreign_enum: [FOREIGN_FOO, FOREIGN_BAR, FOREIGN_BAZ]\n') + if as_one_line: + expected_ascii = expected_ascii.replace('\n', ' ') + expected_ascii = re.sub(r'\s+', ' ', expected_ascii) + expected_ascii = re.sub(r'\s$', '', expected_ascii) + + actual_ascii = text_format.MessageToString( + message, use_short_repeated_primitives=True, + as_one_line=as_one_line) + self.CompareToGoldenText(actual_ascii, expected_ascii) + parsed_message = message_module.TestAllTypes() + text_format.Parse(actual_ascii, parsed_message) + self.assertEqual(parsed_message, message) + + def testPrintShortFormatRepeatedFields(self, message_module): + self.VerifyPrintShortFormatRepeatedFields(message_module, False) + self.VerifyPrintShortFormatRepeatedFields(message_module, True) + + def testPrintNestedNewLineInStringAsOneLine(self, message_module): + message = message_module.TestAllTypes() + message.optional_string = 'a\nnew\nline' + self.CompareToGoldenText( + text_format.MessageToString(message, as_one_line=True), + 'optional_string: "a\\nnew\\nline"') + + def testPrintExoticAsOneLine(self, message_module): + message = message_module.TestAllTypes() + message.repeated_int64.append(-9223372036854775808) + message.repeated_uint64.append(18446744073709551615) + message.repeated_double.append(123.456) + message.repeated_double.append(1.23e22) + message.repeated_double.append(1.23e-18) + message.repeated_string.append('\000\001\a\b\f\n\r\t\v\\\'"') + message.repeated_string.append(u'\u00fc\ua71f') + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_format.MessageToString( + message, as_one_line=True)), + 'repeated_int64: -9223372036854775808' + ' repeated_uint64: 18446744073709551615' + ' repeated_double: 123.456' + ' repeated_double: 1.23e+22' + ' repeated_double: 1.23e-18' + ' repeated_string: ' + '"\\000\\001\\007\\010\\014\\n\\r\\t\\013\\\\\\\'\\""' + ' repeated_string: "\\303\\274\\352\\234\\237"') + + def testRoundTripExoticAsOneLine(self, message_module): + message = message_module.TestAllTypes() + message.repeated_int64.append(-9223372036854775808) + message.repeated_uint64.append(18446744073709551615) + message.repeated_double.append(123.456) + message.repeated_double.append(1.23e22) + message.repeated_double.append(1.23e-18) + message.repeated_string.append('\000\001\a\b\f\n\r\t\v\\\'"') + message.repeated_string.append(u'\u00fc\ua71f') + + # Test as_utf8 = False. + wire_text = text_format.MessageToString(message, + as_one_line=True, + as_utf8=False) + parsed_message = message_module.TestAllTypes() + r = text_format.Parse(wire_text, parsed_message) + self.assertIs(r, parsed_message) + self.assertEqual(message, parsed_message) + + # Test as_utf8 = True. + wire_text = text_format.MessageToString(message, + as_one_line=True, + as_utf8=True) + parsed_message = message_module.TestAllTypes() + r = text_format.Parse(wire_text, parsed_message) + self.assertIs(r, parsed_message) + self.assertEqual(message, parsed_message, + '\n%s != %s' % (message, parsed_message)) + + def testPrintRawUtf8String(self, message_module): + message = message_module.TestAllTypes() + message.repeated_string.append(u'\u00fc\t\ua71f') + text = text_format.MessageToString(message, as_utf8=True) + golden_unicode = u'repeated_string: "\u00fc\\t\ua71f"\n' + golden_text = golden_unicode + # MessageToString always returns a native str. + self.CompareToGoldenText(text, golden_text) + parsed_message = message_module.TestAllTypes() + text_format.Parse(text, parsed_message) + self.assertEqual( + message, parsed_message, '\n%s != %s (%s != %s)' % + (message, parsed_message, message.repeated_string[0], + parsed_message.repeated_string[0])) + + def testPrintFloatFormat(self, message_module): + # Check that float_format argument is passed to sub-message formatting. + message = message_module.NestedTestAllTypes() + message.payload.optional_float = 1.25 + # Check rounding at 15 significant digits + message.payload.optional_double = -.000003456789012345678 + # Check no decimal point. + message.payload.repeated_float.append(-5642) + # Check no trailing zeros. + message.payload.repeated_double.append(.000078900) + formatted_fields = ['optional_float: 1.25', + 'optional_double: -3.45678901234568e-6', + 'repeated_float: -5642', 'repeated_double: 7.89e-5'] + text_message = text_format.MessageToString(message, float_format='.15g') + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_message), + 'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format( + *formatted_fields)) + # as_one_line=True is a separate code branch where float_format is passed. + text_message = text_format.MessageToString(message, + as_one_line=True, + float_format='.15g') + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_message), + 'payload {{ {0} {1} {2} {3} }}'.format(*formatted_fields)) + + # 32-bit 1.2 is noisy when extended to 64-bit: + # >>> struct.unpack('f', struct.pack('f', 1.2))[0] + # 1.2000000476837158 + message.payload.optional_float = 1.2 + formatted_fields = ['optional_float: 1.2', + 'optional_double: -3.45678901234568e-6', + 'repeated_float: -5642', 'repeated_double: 7.89e-5'] + text_message = text_format.MessageToString(message, float_format='.7g', + double_format='.15g') + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_message), + 'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format( + *formatted_fields)) + + # Test only set float_format affect both float and double fields. + formatted_fields = ['optional_float: 1.2', + 'optional_double: -3.456789e-6', + 'repeated_float: -5642', 'repeated_double: 7.89e-5'] + text_message = text_format.MessageToString(message, float_format='.7g') + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_message), + 'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format( + *formatted_fields)) + + # Test default float_format will automatic print shortest float. + message.payload.optional_float = 1.2345678912 + message.payload.optional_double = 1.2345678912 + formatted_fields = ['optional_float: 1.2345679', + 'optional_double: 1.2345678912', + 'repeated_float: -5642', 'repeated_double: 7.89e-5'] + text_message = text_format.MessageToString(message) + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_message), + 'payload {{\n {0}\n {1}\n {2}\n {3}\n}}\n'.format( + *formatted_fields)) + + message.Clear() + message.payload.optional_float = 1.1000000000011 + self.assertEqual(text_format.MessageToString(message), + 'payload {\n optional_float: 1.1\n}\n') + message.payload.optional_float = 1.00000075e-36 + self.assertEqual(text_format.MessageToString(message), + 'payload {\n optional_float: 1.00000075e-36\n}\n') + message.payload.optional_float = 12345678912345e+11 + self.assertEqual(text_format.MessageToString(message), + 'payload {\n optional_float: 1.234568e+24\n}\n') + + def testMessageToString(self, message_module): + message = message_module.ForeignMessage() + message.c = 123 + self.assertEqual('c: 123\n', str(message)) + + def testMessageToStringUnicode(self, message_module): + golden_unicode = u'Á short desçription and a 🍌.' + golden_bytes = golden_unicode.encode('utf-8') + message = message_module.TestAllTypes() + message.optional_string = golden_unicode + message.optional_bytes = golden_bytes + text = text_format.MessageToString(message, as_utf8=True) + golden_message = textwrap.dedent( + 'optional_string: "Á short desçription and a 🍌."\n' + 'optional_bytes: ' + r'"\303\201 short des\303\247ription and a \360\237\215\214."' + '\n') + self.CompareToGoldenText(text, golden_message) + + def testMessageToStringASCII(self, message_module): + golden_unicode = u'Á short desçription and a 🍌.' + golden_bytes = golden_unicode.encode('utf-8') + message = message_module.TestAllTypes() + message.optional_string = golden_unicode + message.optional_bytes = golden_bytes + text = text_format.MessageToString(message, as_utf8=False) # ASCII + golden_message = ( + 'optional_string: ' + r'"\303\201 short des\303\247ription and a \360\237\215\214."' + '\n' + 'optional_bytes: ' + r'"\303\201 short des\303\247ription and a \360\237\215\214."' + '\n') + self.CompareToGoldenText(text, golden_message) + + def testPrintField(self, message_module): + message = message_module.TestAllTypes() + field = message.DESCRIPTOR.fields_by_name['optional_float'] + value = message.optional_float + out = text_format.TextWriter(False) + text_format.PrintField(field, value, out) + self.assertEqual('optional_float: 0.0\n', out.getvalue()) + out.close() + # Test Printer + out = text_format.TextWriter(False) + printer = text_format._Printer(out) + printer.PrintField(field, value) + self.assertEqual('optional_float: 0.0\n', out.getvalue()) + out.close() + + def testPrintFieldValue(self, message_module): + message = message_module.TestAllTypes() + field = message.DESCRIPTOR.fields_by_name['optional_float'] + value = message.optional_float + out = text_format.TextWriter(False) + text_format.PrintFieldValue(field, value, out) + self.assertEqual('0.0', out.getvalue()) + out.close() + # Test Printer + out = text_format.TextWriter(False) + printer = text_format._Printer(out) + printer.PrintFieldValue(field, value) + self.assertEqual('0.0', out.getvalue()) + out.close() + + def testCustomOptions(self, message_module): + message_descriptor = (unittest_custom_options_pb2. + TestMessageWithCustomOptions.DESCRIPTOR) + message_proto = descriptor_pb2.DescriptorProto() + message_descriptor.CopyToProto(message_proto) + expected_text = ( + 'name: "TestMessageWithCustomOptions"\n' + 'field {\n' + ' name: "field1"\n' + ' number: 1\n' + ' label: LABEL_OPTIONAL\n' + ' type: TYPE_STRING\n' + ' options {\n' + ' ctype: CORD\n' + ' [protobuf_unittest.field_opt1]: 8765432109\n' + ' }\n' + '}\n' + 'field {\n' + ' name: "oneof_field"\n' + ' number: 2\n' + ' label: LABEL_OPTIONAL\n' + ' type: TYPE_INT32\n' + ' oneof_index: 0\n' + '}\n' + 'field {\n' + ' name: "map_field"\n' + ' number: 3\n' + ' label: LABEL_REPEATED\n' + ' type: TYPE_MESSAGE\n' + ' type_name: ".protobuf_unittest.TestMessageWithCustomOptions.' + 'MapFieldEntry"\n' + ' options {\n' + ' [protobuf_unittest.field_opt1]: 12345\n' + ' }\n' + '}\n' + 'nested_type {\n' + ' name: "MapFieldEntry"\n' + ' field {\n' + ' name: "key"\n' + ' number: 1\n' + ' label: LABEL_OPTIONAL\n' + ' type: TYPE_STRING\n' + ' }\n' + ' field {\n' + ' name: "value"\n' + ' number: 2\n' + ' label: LABEL_OPTIONAL\n' + ' type: TYPE_STRING\n' + ' }\n' + ' options {\n' + ' map_entry: true\n' + ' }\n' + '}\n' + 'enum_type {\n' + ' name: "AnEnum"\n' + ' value {\n' + ' name: "ANENUM_VAL1"\n' + ' number: 1\n' + ' }\n' + ' value {\n' + ' name: "ANENUM_VAL2"\n' + ' number: 2\n' + ' options {\n' + ' [protobuf_unittest.enum_value_opt1]: 123\n' + ' }\n' + ' }\n' + ' options {\n' + ' [protobuf_unittest.enum_opt1]: -789\n' + ' }\n' + '}\n' + 'options {\n' + ' message_set_wire_format: false\n' + ' [protobuf_unittest.message_opt1]: -56\n' + '}\n' + 'oneof_decl {\n' + ' name: "AnOneof"\n' + ' options {\n' + ' [protobuf_unittest.oneof_opt1]: -99\n' + ' }\n' + '}\n') + self.assertEqual(expected_text, + text_format.MessageToString(message_proto)) + parsed_proto = descriptor_pb2.DescriptorProto() + text_format.Parse(expected_text, parsed_proto) + self.assertEqual(message_proto, parsed_proto) + + @unittest.skipIf( + api_implementation.Type() == 'upb', + "upb API doesn't support old UnknownField API. The TextFormat library " + "needs to convert to the new API.") + def testPrintUnknownFieldsEmbeddedMessageInBytes(self, message_module): + inner_msg = message_module.TestAllTypes() + inner_msg.optional_int32 = 101 + inner_msg.optional_double = 102.0 + inner_msg.optional_string = u'hello' + inner_msg.optional_bytes = b'103' + inner_msg.optional_nested_message.bb = 105 + inner_data = inner_msg.SerializeToString() + outer_message = message_module.TestAllTypes() + outer_message.optional_int32 = 101 + outer_message.optional_bytes = inner_data + all_data = outer_message.SerializeToString() + empty_message = message_module.TestEmptyMessage() + empty_message.ParseFromString(all_data) + + self.assertEqual(' 1: 101\n' + ' 15 {\n' + ' 1: 101\n' + ' 12: 4636878028842991616\n' + ' 14: "hello"\n' + ' 15: "103"\n' + ' 18 {\n' + ' 1: 105\n' + ' }\n' + ' }\n', + text_format.MessageToString(empty_message, + indent=2, + print_unknown_fields=True)) + self.assertEqual('1: 101 ' + '15 { ' + '1: 101 ' + '12: 4636878028842991616 ' + '14: "hello" ' + '15: "103" ' + '18 { 1: 105 } ' + '}', + text_format.MessageToString(empty_message, + print_unknown_fields=True, + as_one_line=True)) + + +@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2) +class TextFormatMessageToTextBytesTests(TextFormatBase): + + def testMessageToBytes(self, message_module): + message = message_module.ForeignMessage() + message.c = 123 + self.assertEqual(b'c: 123\n', text_format.MessageToBytes(message)) + + def testRawUtf8RoundTrip(self, message_module): + message = message_module.TestAllTypes() + message.repeated_string.append(u'\u00fc\t\ua71f') + utf8_text = text_format.MessageToBytes(message, as_utf8=True) + golden_bytes = b'repeated_string: "\xc3\xbc\\t\xea\x9c\x9f"\n' + self.CompareToGoldenText(utf8_text, golden_bytes) + parsed_message = message_module.TestAllTypes() + text_format.Parse(utf8_text, parsed_message) + self.assertEqual( + message, parsed_message, '\n%s != %s (%s != %s)' % + (message, parsed_message, message.repeated_string[0], + parsed_message.repeated_string[0])) + + def testEscapedUtf8ASCIIRoundTrip(self, message_module): + message = message_module.TestAllTypes() + message.repeated_string.append(u'\u00fc\t\ua71f') + ascii_text = text_format.MessageToBytes(message) # as_utf8=False default + golden_bytes = b'repeated_string: "\\303\\274\\t\\352\\234\\237"\n' + self.CompareToGoldenText(ascii_text, golden_bytes) + parsed_message = message_module.TestAllTypes() + text_format.Parse(ascii_text, parsed_message) + self.assertEqual( + message, parsed_message, '\n%s != %s (%s != %s)' % + (message, parsed_message, message.repeated_string[0], + parsed_message.repeated_string[0])) + + +@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2) +class TextFormatParserTests(TextFormatBase): + + def testParseAllFields(self, message_module): + message = message_module.TestAllTypes() + test_util.SetAllFields(message) + ascii_text = text_format.MessageToString(message) + + parsed_message = message_module.TestAllTypes() + text_format.Parse(ascii_text, parsed_message) + self.assertEqual(message, parsed_message) + if message_module is unittest_pb2: + test_util.ExpectAllFieldsSet(self, message) + + def testParseAndMergeUtf8(self, message_module): + message = message_module.TestAllTypes() + test_util.SetAllFields(message) + ascii_text = text_format.MessageToString(message) + ascii_text = ascii_text.encode('utf-8') + + parsed_message = message_module.TestAllTypes() + text_format.Parse(ascii_text, parsed_message) + self.assertEqual(message, parsed_message) + if message_module is unittest_pb2: + test_util.ExpectAllFieldsSet(self, message) + + parsed_message.Clear() + text_format.Merge(ascii_text, parsed_message) + self.assertEqual(message, parsed_message) + if message_module is unittest_pb2: + test_util.ExpectAllFieldsSet(self, message) + + msg2 = message_module.TestAllTypes() + text = (u'optional_string: "café"') + text_format.Merge(text, msg2) + self.assertEqual(msg2.optional_string, u'café') + msg2.Clear() + self.assertEqual(msg2.optional_string, u'') + text_format.Parse(text, msg2) + self.assertEqual(msg2.optional_string, u'café') + + def testParseDoubleToFloat(self, message_module): + message = message_module.TestAllTypes() + text = ('repeated_float: 3.4028235e+39\n' + 'repeated_float: 1.4028235e-39\n') + text_format.Parse(text, message) + self.assertEqual(message.repeated_float[0], float('inf')) + self.assertAlmostEqual(message.repeated_float[1], 1.4028235e-39) + + def testParseExotic(self, message_module): + message = message_module.TestAllTypes() + text = ('repeated_int64: -9223372036854775808\n' + 'repeated_uint64: 18446744073709551615\n' + 'repeated_double: 123.456\n' + 'repeated_double: 1.23e+22\n' + 'repeated_double: 1.23e-18\n' + 'repeated_string: \n' + '"\\000\\001\\007\\010\\014\\n\\r\\t\\013\\\\\\\'\\""\n' + 'repeated_string: "foo" \'corge\' "grault"\n' + 'repeated_string: "\\303\\274\\352\\234\\237"\n' + 'repeated_string: "\\xc3\\xbc"\n' + 'repeated_string: "\xc3\xbc"\n') + text_format.Parse(text, message) + + self.assertEqual(-9223372036854775808, message.repeated_int64[0]) + self.assertEqual(18446744073709551615, message.repeated_uint64[0]) + self.assertEqual(123.456, message.repeated_double[0]) + self.assertEqual(1.23e22, message.repeated_double[1]) + self.assertEqual(1.23e-18, message.repeated_double[2]) + self.assertEqual('\000\001\a\b\f\n\r\t\v\\\'"', message.repeated_string[0]) + self.assertEqual('foocorgegrault', message.repeated_string[1]) + self.assertEqual(u'\u00fc\ua71f', message.repeated_string[2]) + self.assertEqual(u'\u00fc', message.repeated_string[3]) + + def testParseTrailingCommas(self, message_module): + message = message_module.TestAllTypes() + text = ('repeated_int64: 100;\n' + 'repeated_int64: 200;\n' + 'repeated_int64: 300,\n' + 'repeated_string: "one",\n' + 'repeated_string: "two";\n') + text_format.Parse(text, message) + + self.assertEqual(100, message.repeated_int64[0]) + self.assertEqual(200, message.repeated_int64[1]) + self.assertEqual(300, message.repeated_int64[2]) + self.assertEqual(u'one', message.repeated_string[0]) + self.assertEqual(u'two', message.repeated_string[1]) + + def testParseRepeatedScalarShortFormat(self, message_module): + message = message_module.TestAllTypes() + text = ('repeated_int64: [100, 200];\n' + 'repeated_int64: []\n' + 'repeated_int64: 300,\n' + 'repeated_string: ["one", "two"];\n') + text_format.Parse(text, message) + + self.assertEqual(100, message.repeated_int64[0]) + self.assertEqual(200, message.repeated_int64[1]) + self.assertEqual(300, message.repeated_int64[2]) + self.assertEqual(u'one', message.repeated_string[0]) + self.assertEqual(u'two', message.repeated_string[1]) + + def testParseRepeatedMessageShortFormat(self, message_module): + message = message_module.TestAllTypes() + text = ('repeated_nested_message: [{bb: 100}, {bb: 200}],\n' + 'repeated_nested_message: {bb: 300}\n' + 'repeated_nested_message [{bb: 400}];\n') + text_format.Parse(text, message) + + self.assertEqual(100, message.repeated_nested_message[0].bb) + self.assertEqual(200, message.repeated_nested_message[1].bb) + self.assertEqual(300, message.repeated_nested_message[2].bb) + self.assertEqual(400, message.repeated_nested_message[3].bb) + + def testParseEmptyText(self, message_module): + message = message_module.TestAllTypes() + text = '' + text_format.Parse(text, message) + self.assertEqual(message_module.TestAllTypes(), message) + + def testParseInvalidUtf8(self, message_module): + message = message_module.TestAllTypes() + text = 'repeated_string: "\\xc3\\xc3"' + with self.assertRaises(text_format.ParseError) as e: + text_format.Parse(text, message) + self.assertEqual(e.exception.GetLine(), 1) + self.assertEqual(e.exception.GetColumn(), 28) + + def testParseSingleWord(self, message_module): + message = message_module.TestAllTypes() + text = 'foo' + self.assertRaisesRegex( + text_format.ParseError, + (r'1:1 : Message type "\w+.TestAllTypes" has no field named ' + r'"foo".'), text_format.Parse, text, message) + + def testParseUnknownField(self, message_module): + message = message_module.TestAllTypes() + text = 'unknown_field: 8\n' + self.assertRaisesRegex( + text_format.ParseError, + (r'1:1 : Message type "\w+.TestAllTypes" has no field named ' + r'"unknown_field".'), text_format.Parse, text, message) + text = ('optional_int32: 123\n' + 'unknown_field: 8\n' + 'optional_nested_message { bb: 45 }') + text_format.Parse(text, message, allow_unknown_field=True) + self.assertEqual(message.optional_nested_message.bb, 45) + self.assertEqual(message.optional_int32, 123) + + def testParseBadEnumValue(self, message_module): + message = message_module.TestAllTypes() + text = 'optional_nested_enum: BARR' + self.assertRaisesRegex(text_format.ParseError, + (r'1:23 : \'optional_nested_enum: BARR\': ' + r'Enum type "\w+.TestAllTypes.NestedEnum" ' + r'has no value named BARR.'), text_format.Parse, + text, message) + + def testParseBadIntValue(self, message_module): + message = message_module.TestAllTypes() + text = 'optional_int32: bork' + self.assertRaisesRegex(text_format.ParseError, + ('1:17 : \'optional_int32: bork\': ' + 'Couldn\'t parse integer: bork'), text_format.Parse, + text, message) + + def testParseStringFieldUnescape(self, message_module): + message = message_module.TestAllTypes() + text = r'''repeated_string: "\xf\x62" + repeated_string: "\\xf\\x62" + repeated_string: "\\\xf\\\x62" + repeated_string: "\\\\xf\\\\x62" + repeated_string: "\\\\\xf\\\\\x62" + repeated_string: "\x5cx20"''' + + text_format.Parse(text, message) + + SLASH = '\\' + self.assertEqual('\x0fb', message.repeated_string[0]) + self.assertEqual(SLASH + 'xf' + SLASH + 'x62', message.repeated_string[1]) + self.assertEqual(SLASH + '\x0f' + SLASH + 'b', message.repeated_string[2]) + self.assertEqual(SLASH + SLASH + 'xf' + SLASH + SLASH + 'x62', + message.repeated_string[3]) + self.assertEqual(SLASH + SLASH + '\x0f' + SLASH + SLASH + 'b', + message.repeated_string[4]) + self.assertEqual(SLASH + 'x20', message.repeated_string[5]) + + def testParseOneof(self, message_module): + m = message_module.TestAllTypes() + m.oneof_uint32 = 11 + m2 = message_module.TestAllTypes() + text_format.Parse(text_format.MessageToString(m), m2) + self.assertEqual('oneof_uint32', m2.WhichOneof('oneof_field')) + + def testParseMultipleOneof(self, message_module): + m_string = '\n'.join(['oneof_uint32: 11', 'oneof_string: "foo"']) + m2 = message_module.TestAllTypes() + with self.assertRaisesRegex(text_format.ParseError, + ' is specified along with field '): + text_format.Parse(m_string, m2) + + # This example contains non-ASCII codepoint unicode data as literals + # which should come through as utf-8 for bytes, and as the unicode + # itself for string fields. It also demonstrates escaped binary data. + # The ur"" string prefix is unfortunately missing from Python 3 + # so we resort to double escaping our \s so that they come through. + _UNICODE_SAMPLE = u""" + optional_bytes: 'Á short desçription' + optional_string: 'Á short desçription' + repeated_bytes: '\\303\\201 short des\\303\\247ription' + repeated_bytes: '\\x12\\x34\\x56\\x78\\x90\\xab\\xcd\\xef' + repeated_string: '\\xd0\\x9f\\xd1\\x80\\xd0\\xb8\\xd0\\xb2\\xd0\\xb5\\xd1\\x82' + """ + _BYTES_SAMPLE = _UNICODE_SAMPLE.encode('utf-8') + _GOLDEN_UNICODE = u'Á short desçription' + _GOLDEN_BYTES = _GOLDEN_UNICODE.encode('utf-8') + _GOLDEN_BYTES_1 = b'\x12\x34\x56\x78\x90\xab\xcd\xef' + _GOLDEN_STR_0 = u'Привет' + + def testParseUnicode(self, message_module): + m = message_module.TestAllTypes() + text_format.Parse(self._UNICODE_SAMPLE, m) + self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES) + self.assertEqual(m.optional_string, self._GOLDEN_UNICODE) + self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES) + # repeated_bytes[1] contained simple \ escaped non-UTF-8 raw binary data. + self.assertEqual(m.repeated_bytes[1], self._GOLDEN_BYTES_1) + # repeated_string[0] contained \ escaped data representing the UTF-8 + # representation of _GOLDEN_STR_0 - it needs to decode as such. + self.assertEqual(m.repeated_string[0], self._GOLDEN_STR_0) + + def testParseBytes(self, message_module): + m = message_module.TestAllTypes() + text_format.Parse(self._BYTES_SAMPLE, m) + self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES) + self.assertEqual(m.optional_string, self._GOLDEN_UNICODE) + self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES) + # repeated_bytes[1] contained simple \ escaped non-UTF-8 raw binary data. + self.assertEqual(m.repeated_bytes[1], self._GOLDEN_BYTES_1) + # repeated_string[0] contained \ escaped data representing the UTF-8 + # representation of _GOLDEN_STR_0 - it needs to decode as such. + self.assertEqual(m.repeated_string[0], self._GOLDEN_STR_0) + + def testFromBytesFile(self, message_module): + m = message_module.TestAllTypes() + f = io.BytesIO(self._BYTES_SAMPLE) + text_format.ParseLines(f, m) + self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES) + self.assertEqual(m.optional_string, self._GOLDEN_UNICODE) + self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES) + + def testFromUnicodeFile(self, message_module): + m = message_module.TestAllTypes() + f = io.StringIO(self._UNICODE_SAMPLE) + text_format.ParseLines(f, m) + self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES) + self.assertEqual(m.optional_string, self._GOLDEN_UNICODE) + self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES) + + def testFromBytesLines(self, message_module): + m = message_module.TestAllTypes() + text_format.ParseLines(self._BYTES_SAMPLE.split(b'\n'), m) + self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES) + self.assertEqual(m.optional_string, self._GOLDEN_UNICODE) + self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES) + + def testFromUnicodeLines(self, message_module): + m = message_module.TestAllTypes() + text_format.ParseLines(self._UNICODE_SAMPLE.split(u'\n'), m) + self.assertEqual(m.optional_bytes, self._GOLDEN_BYTES) + self.assertEqual(m.optional_string, self._GOLDEN_UNICODE) + self.assertEqual(m.repeated_bytes[0], self._GOLDEN_BYTES) + + def testParseDuplicateMessages(self, message_module): + message = message_module.TestAllTypes() + text = ('optional_nested_message { bb: 1 } ' + 'optional_nested_message { bb: 2 }') + self.assertRaisesRegex( + text_format.ParseError, + (r'1:59 : Message type "\w+.TestAllTypes" ' + r'should not have multiple "optional_nested_message" fields.'), + text_format.Parse, text, message) + + def testParseDuplicateScalars(self, message_module): + message = message_module.TestAllTypes() + text = ('optional_int32: 42 ' 'optional_int32: 67') + self.assertRaisesRegex( + text_format.ParseError, + (r'1:36 : Message type "\w+.TestAllTypes" should not ' + r'have multiple "optional_int32" fields.'), text_format.Parse, text, + message) + + def testParseExistingScalarInMessage(self, message_module): + message = message_module.TestAllTypes(optional_int32=42) + text = 'optional_int32: 67' + self.assertRaisesRegex(text_format.ParseError, + (r'Message type "\w+.TestAllTypes" should not ' + r'have multiple "optional_int32" fields.'), + text_format.Parse, text, message) + + +@_parameterized.parameters(unittest_pb2, unittest_proto3_arena_pb2) +class TextFormatMergeTests(TextFormatBase): + + def testMergeDuplicateScalarsInText(self, message_module): + message = message_module.TestAllTypes() + text = ('optional_int32: 42 ' 'optional_int32: 67') + r = text_format.Merge(text, message) + self.assertIs(r, message) + self.assertEqual(67, message.optional_int32) + + def testMergeDuplicateNestedMessageScalars(self, message_module): + message = message_module.TestAllTypes() + text = ('optional_nested_message { bb: 1 } ' + 'optional_nested_message { bb: 2 }') + r = text_format.Merge(text, message) + self.assertTrue(r is message) + self.assertEqual(2, message.optional_nested_message.bb) + + def testReplaceScalarInMessage(self, message_module): + message = message_module.TestAllTypes(optional_int32=42) + text = 'optional_int32: 67' + r = text_format.Merge(text, message) + self.assertIs(r, message) + self.assertEqual(67, message.optional_int32) + + def testReplaceMessageInMessage(self, message_module): + message = message_module.TestAllTypes( + optional_int32=42, optional_nested_message=dict()) + self.assertTrue(message.HasField('optional_nested_message')) + text = 'optional_nested_message{ bb: 3 }' + r = text_format.Merge(text, message) + self.assertIs(r, message) + self.assertEqual(3, message.optional_nested_message.bb) + + def testMergeMultipleOneof(self, message_module): + m_string = '\n'.join(['oneof_uint32: 11', 'oneof_string: "foo"']) + m2 = message_module.TestAllTypes() + text_format.Merge(m_string, m2) + self.assertEqual('oneof_string', m2.WhichOneof('oneof_field')) + + +# These are tests that aren't fundamentally specific to proto2, but are at +# the moment because of differences between the proto2 and proto3 test schemas. +# Ideally the schemas would be made more similar so these tests could pass. +class OnlyWorksWithProto2RightNowTests(TextFormatBase): + + def testPrintAllFieldsPointy(self): + message = unittest_pb2.TestAllTypes() + test_util.SetAllFields(message) + self.CompareToGoldenFile( + self.RemoveRedundantZeros(text_format.MessageToString( + message, pointy_brackets=True)), + 'text_format_unittest_data_pointy_oneof.txt') + + def testParseGolden(self): + golden_text = '\n'.join(self.ReadGolden( + 'text_format_unittest_data_oneof_implemented.txt')) + parsed_message = unittest_pb2.TestAllTypes() + r = text_format.Parse(golden_text, parsed_message) + self.assertIs(r, parsed_message) + + message = unittest_pb2.TestAllTypes() + test_util.SetAllFields(message) + self.assertEqual(message, parsed_message) + + def testPrintAllFields(self): + message = unittest_pb2.TestAllTypes() + test_util.SetAllFields(message) + self.CompareToGoldenFile( + self.RemoveRedundantZeros(text_format.MessageToString(message)), + 'text_format_unittest_data_oneof_implemented.txt') + + def testPrintUnknownFields(self): + message = unittest_pb2.TestAllTypes() + message.optional_int32 = 101 + message.optional_double = 102.0 + message.optional_string = u'hello' + message.optional_bytes = b'103' + message.optionalgroup.a = 104 + message.optional_nested_message.bb = 105 + all_data = message.SerializeToString() + empty_message = unittest_pb2.TestEmptyMessage() + empty_message.ParseFromString(all_data) + self.assertEqual(' 1: 101\n' + ' 12: 4636878028842991616\n' + ' 14: "hello"\n' + ' 15: "103"\n' + ' 16 {\n' + ' 17: 104\n' + ' }\n' + ' 18 {\n' + ' 1: 105\n' + ' }\n', + text_format.MessageToString(empty_message, + indent=2, + print_unknown_fields=True)) + self.assertEqual('1: 101 ' + '12: 4636878028842991616 ' + '14: "hello" ' + '15: "103" ' + '16 { 17: 104 } ' + '18 { 1: 105 }', + text_format.MessageToString(empty_message, + print_unknown_fields=True, + as_one_line=True)) + + def testPrintInIndexOrder(self): + message = unittest_pb2.TestFieldOrderings() + # Fields are listed in index order instead of field number. + message.my_string = 'str' + message.my_int = 101 + message.my_float = 111 + message.optional_nested_message.oo = 0 + message.optional_nested_message.bb = 1 + message.Extensions[unittest_pb2.my_extension_string] = 'ext_str0' + # Extensions are listed based on the order of extension number. + # Extension number 12. + message.Extensions[unittest_pb2.TestExtensionOrderings2. + test_ext_orderings2].my_string = 'ext_str2' + # Extension number 13. + message.Extensions[unittest_pb2.TestExtensionOrderings1. + test_ext_orderings1].my_string = 'ext_str1' + # Extension number 14. + message.Extensions[ + unittest_pb2.TestExtensionOrderings2.TestExtensionOrderings3. + test_ext_orderings3].my_string = 'ext_str3' + + # Print in index order. + self.CompareToGoldenText( + self.RemoveRedundantZeros( + text_format.MessageToString(message, use_index_order=True)), + 'my_string: "str"\n' + 'my_int: 101\n' + 'my_float: 111\n' + 'optional_nested_message {\n' + ' oo: 0\n' + ' bb: 1\n' + '}\n' + '[protobuf_unittest.TestExtensionOrderings2.test_ext_orderings2] {\n' + ' my_string: "ext_str2"\n' + '}\n' + '[protobuf_unittest.TestExtensionOrderings1.test_ext_orderings1] {\n' + ' my_string: "ext_str1"\n' + '}\n' + '[protobuf_unittest.TestExtensionOrderings2.TestExtensionOrderings3' + '.test_ext_orderings3] {\n' + ' my_string: "ext_str3"\n' + '}\n' + '[protobuf_unittest.my_extension_string]: "ext_str0"\n') + # By default, print in field number order. + self.CompareToGoldenText( + self.RemoveRedundantZeros(text_format.MessageToString(message)), + 'my_int: 101\n' + 'my_string: "str"\n' + '[protobuf_unittest.TestExtensionOrderings2.test_ext_orderings2] {\n' + ' my_string: "ext_str2"\n' + '}\n' + '[protobuf_unittest.TestExtensionOrderings1.test_ext_orderings1] {\n' + ' my_string: "ext_str1"\n' + '}\n' + '[protobuf_unittest.TestExtensionOrderings2.TestExtensionOrderings3' + '.test_ext_orderings3] {\n' + ' my_string: "ext_str3"\n' + '}\n' + '[protobuf_unittest.my_extension_string]: "ext_str0"\n' + 'my_float: 111\n' + 'optional_nested_message {\n' + ' bb: 1\n' + ' oo: 0\n' + '}\n') + + def testMergeLinesGolden(self): + opened = self.ReadGolden('text_format_unittest_data_oneof_implemented.txt') + parsed_message = unittest_pb2.TestAllTypes() + r = text_format.MergeLines(opened, parsed_message) + self.assertIs(r, parsed_message) + + message = unittest_pb2.TestAllTypes() + test_util.SetAllFields(message) + self.assertEqual(message, parsed_message) + + def testParseLinesGolden(self): + opened = self.ReadGolden('text_format_unittest_data_oneof_implemented.txt') + parsed_message = unittest_pb2.TestAllTypes() + r = text_format.ParseLines(opened, parsed_message) + self.assertIs(r, parsed_message) + + message = unittest_pb2.TestAllTypes() + test_util.SetAllFields(message) + self.assertEqual(message, parsed_message) + + def testPrintMap(self): + message = map_unittest_pb2.TestMap() + + message.map_int32_int32[-123] = -456 + message.map_int64_int64[-2**33] = -2**34 + message.map_uint32_uint32[123] = 456 + message.map_uint64_uint64[2**33] = 2**34 + message.map_string_string['abc'] = '123' + message.map_int32_foreign_message[111].c = 5 + + # Maps are serialized to text format using their underlying repeated + # representation. + self.CompareToGoldenText( + text_format.MessageToString(message), 'map_int32_int32 {\n' + ' key: -123\n' + ' value: -456\n' + '}\n' + 'map_int64_int64 {\n' + ' key: -8589934592\n' + ' value: -17179869184\n' + '}\n' + 'map_uint32_uint32 {\n' + ' key: 123\n' + ' value: 456\n' + '}\n' + 'map_uint64_uint64 {\n' + ' key: 8589934592\n' + ' value: 17179869184\n' + '}\n' + 'map_string_string {\n' + ' key: "abc"\n' + ' value: "123"\n' + '}\n' + 'map_int32_foreign_message {\n' + ' key: 111\n' + ' value {\n' + ' c: 5\n' + ' }\n' + '}\n') + + def testDuplicateMapKey(self): + message = map_unittest_pb2.TestMap() + text = ( + 'map_uint64_uint64 {\n' + ' key: 123\n' + ' value: 17179869184\n' + '}\n' + 'map_string_string {\n' + ' key: "abc"\n' + ' value: "first"\n' + '}\n' + 'map_int32_foreign_message {\n' + ' key: 111\n' + ' value {\n' + ' c: 5\n' + ' }\n' + '}\n' + 'map_uint64_uint64 {\n' + ' key: 123\n' + ' value: 321\n' + '}\n' + 'map_string_string {\n' + ' key: "abc"\n' + ' value: "second"\n' + '}\n' + 'map_int32_foreign_message {\n' + ' key: 111\n' + ' value {\n' + ' d: 5\n' + ' }\n' + '}\n') + text_format.Parse(text, message) + self.CompareToGoldenText( + text_format.MessageToString(message), 'map_uint64_uint64 {\n' + ' key: 123\n' + ' value: 321\n' + '}\n' + 'map_string_string {\n' + ' key: "abc"\n' + ' value: "second"\n' + '}\n' + 'map_int32_foreign_message {\n' + ' key: 111\n' + ' value {\n' + ' d: 5\n' + ' }\n' + '}\n') + + # In cpp implementation, __str__ calls the cpp implementation of text format. + def testPrintMapUsingCppImplementation(self): + message = map_unittest_pb2.TestMap() + inner_msg = message.map_int32_foreign_message[111] + inner_msg.c = 1 + self.assertEqual( + str(message), + 'map_int32_foreign_message {\n' + ' key: 111\n' + ' value {\n' + ' c: 1\n' + ' }\n' + '}\n') + inner_msg.c = 2 + self.assertEqual( + str(message), + 'map_int32_foreign_message {\n' + ' key: 111\n' + ' value {\n' + ' c: 2\n' + ' }\n' + '}\n') + + def testMapOrderEnforcement(self): + message = map_unittest_pb2.TestMap() + for letter in string.ascii_uppercase[13:26]: + message.map_string_string[letter] = 'dummy' + for letter in reversed(string.ascii_uppercase[0:13]): + message.map_string_string[letter] = 'dummy' + golden = ''.join(('map_string_string {\n key: "%c"\n value: "dummy"\n}\n' + % (letter,) for letter in string.ascii_uppercase)) + self.CompareToGoldenText(text_format.MessageToString(message), golden) + + # TODO(teboring): In c/137553523, not serializing default value for map entry + # message has been fixed. This test needs to be disabled in order to submit + # that cl. Add this back when c/137553523 has been submitted. + # def testMapOrderSemantics(self): + # golden_lines = self.ReadGolden('map_test_data.txt') + + # message = map_unittest_pb2.TestMap() + # text_format.ParseLines(golden_lines, message) + # candidate = text_format.MessageToString(message) + # # The Python implementation emits "1.0" for the double value that the C++ + # # implementation emits as "1". + # candidate = candidate.replace('1.0', '1', 2) + # candidate = candidate.replace('0.0', '0', 2) + # self.assertMultiLineEqual(candidate, ''.join(golden_lines)) + + +# Tests of proto2-only features (MessageSet, extensions, etc.). +class Proto2Tests(TextFormatBase): + + def testPrintMessageSet(self): + message = unittest_mset_pb2.TestMessageSetContainer() + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + message.message_set.Extensions[ext1].i = 23 + message.message_set.Extensions[ext2].str = 'foo' + self.CompareToGoldenText( + text_format.MessageToString(message), 'message_set {\n' + ' [protobuf_unittest.TestMessageSetExtension1] {\n' + ' i: 23\n' + ' }\n' + ' [protobuf_unittest.TestMessageSetExtension2] {\n' + ' str: \"foo\"\n' + ' }\n' + '}\n') + + message = message_set_extensions_pb2.TestMessageSet() + ext = message_set_extensions_pb2.message_set_extension3 + message.Extensions[ext].text = 'bar' + self.CompareToGoldenText( + text_format.MessageToString(message), + '[google.protobuf.internal.TestMessageSetExtension3] {\n' + ' text: \"bar\"\n' + '}\n') + + def testPrintMessageSetByFieldNumber(self): + out = text_format.TextWriter(False) + message = unittest_mset_pb2.TestMessageSetContainer() + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + message.message_set.Extensions[ext1].i = 23 + message.message_set.Extensions[ext2].str = 'foo' + text_format.PrintMessage(message, out, use_field_number=True) + self.CompareToGoldenText(out.getvalue(), '1 {\n' + ' 1545008 {\n' + ' 15: 23\n' + ' }\n' + ' 1547769 {\n' + ' 25: \"foo\"\n' + ' }\n' + '}\n') + out.close() + + def testPrintMessageSetAsOneLine(self): + message = unittest_mset_pb2.TestMessageSetContainer() + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + message.message_set.Extensions[ext1].i = 23 + message.message_set.Extensions[ext2].str = 'foo' + self.CompareToGoldenText( + text_format.MessageToString(message, as_one_line=True), + 'message_set {' + ' [protobuf_unittest.TestMessageSetExtension1] {' + ' i: 23' + ' }' + ' [protobuf_unittest.TestMessageSetExtension2] {' + ' str: \"foo\"' + ' }' + ' }') + + def testParseMessageSet(self): + message = unittest_pb2.TestAllTypes() + text = ('repeated_uint64: 1\n' 'repeated_uint64: 2\n') + text_format.Parse(text, message) + self.assertEqual(1, message.repeated_uint64[0]) + self.assertEqual(2, message.repeated_uint64[1]) + + message = unittest_mset_pb2.TestMessageSetContainer() + text = ('message_set {\n' + ' [protobuf_unittest.TestMessageSetExtension1] {\n' + ' i: 23\n' + ' }\n' + ' [protobuf_unittest.TestMessageSetExtension2] {\n' + ' str: \"foo\"\n' + ' }\n' + '}\n') + text_format.Parse(text, message) + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + self.assertEqual(23, message.message_set.Extensions[ext1].i) + self.assertEqual('foo', message.message_set.Extensions[ext2].str) + + def testExtensionInsideAnyMessage(self): + message = test_extend_any.TestAny() + text = ('value {\n' + ' [type.googleapis.com/google.protobuf.internal.TestAny] {\n' + ' [google.protobuf.internal.TestAnyExtension1.extension1] {\n' + ' i: 10\n' + ' }\n' + ' }\n' + '}\n') + text_format.Merge(text, message, descriptor_pool=descriptor_pool.Default()) + self.CompareToGoldenText( + text_format.MessageToString( + message, descriptor_pool=descriptor_pool.Default()), + text) + + def testParseMessageByFieldNumber(self): + message = unittest_pb2.TestAllTypes() + text = ('34: 1\n' 'repeated_uint64: 2\n') + text_format.Parse(text, message, allow_field_number=True) + self.assertEqual(1, message.repeated_uint64[0]) + self.assertEqual(2, message.repeated_uint64[1]) + + message = unittest_mset_pb2.TestMessageSetContainer() + text = ('1 {\n' + ' 1545008 {\n' + ' 15: 23\n' + ' }\n' + ' 1547769 {\n' + ' 25: \"foo\"\n' + ' }\n' + '}\n') + text_format.Parse(text, message, allow_field_number=True) + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + self.assertEqual(23, message.message_set.Extensions[ext1].i) + self.assertEqual('foo', message.message_set.Extensions[ext2].str) + + # Can't parse field number without set allow_field_number=True. + message = unittest_pb2.TestAllTypes() + text = '34:1\n' + self.assertRaisesRegex( + text_format.ParseError, + (r'1:1 : Message type "\w+.TestAllTypes" has no field named ' + r'"34".'), text_format.Parse, text, message) + + # Can't parse if field number is not found. + text = '1234:1\n' + self.assertRaisesRegex( + text_format.ParseError, + (r'1:1 : Message type "\w+.TestAllTypes" has no field named ' + r'"1234".'), + text_format.Parse, + text, + message, + allow_field_number=True) + + def testPrintAllExtensions(self): + message = unittest_pb2.TestAllExtensions() + test_util.SetAllExtensions(message) + self.CompareToGoldenFile( + self.RemoveRedundantZeros(text_format.MessageToString(message)), + 'text_format_unittest_extensions_data.txt') + + def testPrintAllExtensionsPointy(self): + message = unittest_pb2.TestAllExtensions() + test_util.SetAllExtensions(message) + self.CompareToGoldenFile( + self.RemoveRedundantZeros(text_format.MessageToString( + message, pointy_brackets=True)), + 'text_format_unittest_extensions_data_pointy.txt') + + def testParseGoldenExtensions(self): + golden_text = '\n'.join(self.ReadGolden( + 'text_format_unittest_extensions_data.txt')) + parsed_message = unittest_pb2.TestAllExtensions() + text_format.Parse(golden_text, parsed_message) + + message = unittest_pb2.TestAllExtensions() + test_util.SetAllExtensions(message) + self.assertEqual(message, parsed_message) + + def testParseAllExtensions(self): + message = unittest_pb2.TestAllExtensions() + test_util.SetAllExtensions(message) + ascii_text = text_format.MessageToString(message) + + parsed_message = unittest_pb2.TestAllExtensions() + text_format.Parse(ascii_text, parsed_message) + self.assertEqual(message, parsed_message) + + def testParseAllowedUnknownExtension(self): + # Skip over unknown extension correctly. + message = unittest_mset_pb2.TestMessageSetContainer() + text = ('message_set {\n' + ' [unknown_extension] {\n' + ' i: 23\n' + ' repeated_i: []\n' + ' bin: "\xe0"\n' + ' [nested_unknown_ext]: {\n' + ' i: 23\n' + ' repeated_i: [1, 2]\n' + ' x: x\n' + ' test: "test_string"\n' + ' floaty_float: -0.315\n' + ' num: -inf\n' + ' multiline_str: "abc"\n' + ' "def"\n' + ' "xyz."\n' + ' [nested_unknown_ext.ext]: <\n' + ' i: 23\n' + ' i: 24\n' + ' pointfloat: .3\n' + ' test: "test_string"\n' + ' repeated_test: ["test_string1", "test_string2"]\n' + ' floaty_float: -0.315\n' + ' num: -inf\n' + ' long_string: "test" "test2" \n' + ' >\n' + ' }\n' + ' }\n' + ' [unknown_extension]: 5\n' + ' [unknown_extension_with_number_field] {\n' + ' 1: "some_field"\n' + ' 2: -0.451\n' + ' }\n' + '}\n') + text_format.Parse(text, message, allow_unknown_extension=True) + golden = 'message_set {\n}\n' + self.CompareToGoldenText(text_format.MessageToString(message), golden) + + # Catch parse errors in unknown extension. + message = unittest_mset_pb2.TestMessageSetContainer() + malformed = ('message_set {\n' + ' [unknown_extension] {\n' + ' i:\n' # Missing value. + ' }\n' + '}\n') + self.assertRaisesRegex( + text_format.ParseError, + 'Invalid field value: }', + text_format.Parse, + malformed, + message, + allow_unknown_extension=True) + + message = unittest_mset_pb2.TestMessageSetContainer() + malformed = ('message_set {\n' + ' [unknown_extension] {\n' + ' str: "malformed string\n' # Missing closing quote. + ' }\n' + '}\n') + self.assertRaisesRegex( + text_format.ParseError, + 'Invalid field value: "', + text_format.Parse, + malformed, + message, + allow_unknown_extension=True) + + message = unittest_mset_pb2.TestMessageSetContainer() + malformed = ('message_set {\n' + ' [unknown_extension] {\n' + ' str: "malformed\n multiline\n string\n' + ' }\n' + '}\n') + self.assertRaisesRegex( + text_format.ParseError, + 'Invalid field value: "', + text_format.Parse, + malformed, + message, + allow_unknown_extension=True) + + message = unittest_mset_pb2.TestMessageSetContainer() + malformed = ('message_set {\n' + ' [malformed_extension] <\n' + ' i: -5\n' + ' \n' # Missing '>' here. + '}\n') + self.assertRaisesRegex( + text_format.ParseError, + '5:1 : \'}\': Expected ">".', + text_format.Parse, + malformed, + message, + allow_unknown_extension=True) + + # Don't allow unknown fields with allow_unknown_extension=True. + message = unittest_mset_pb2.TestMessageSetContainer() + malformed = ('message_set {\n' + ' unknown_field: true\n' + '}\n') + self.assertRaisesRegex( + text_format.ParseError, + ('2:3 : Message type ' + '"proto2_wireformat_unittest.TestMessageSet" has no' + ' field named "unknown_field".'), + text_format.Parse, + malformed, + message, + allow_unknown_extension=True) + + # Parse known extension correctly. + message = unittest_mset_pb2.TestMessageSetContainer() + text = ('message_set {\n' + ' [protobuf_unittest.TestMessageSetExtension1] {\n' + ' i: 23\n' + ' }\n' + ' [protobuf_unittest.TestMessageSetExtension2] {\n' + ' str: \"foo\"\n' + ' }\n' + '}\n') + text_format.Parse(text, message, allow_unknown_extension=True) + ext1 = unittest_mset_pb2.TestMessageSetExtension1.message_set_extension + ext2 = unittest_mset_pb2.TestMessageSetExtension2.message_set_extension + self.assertEqual(23, message.message_set.Extensions[ext1].i) + self.assertEqual('foo', message.message_set.Extensions[ext2].str) + + def testParseBadIdentifier(self): + message = unittest_pb2.TestAllTypes() + text = ('optional_nested_message { "bb": 1 }') + with self.assertRaises(text_format.ParseError) as e: + text_format.Parse(text, message) + self.assertEqual(str(e.exception), + '1:27 : \'optional_nested_message { "bb": 1 }\': ' + 'Expected identifier or number, got "bb".') + + def testParseBadExtension(self): + message = unittest_pb2.TestAllExtensions() + text = '[unknown_extension]: 8\n' + self.assertRaisesRegex( + text_format.ParseError, + '1:2 : Extension "unknown_extension" not registered.', + text_format.Parse, text, message) + message = unittest_pb2.TestAllTypes() + self.assertRaisesRegex( + text_format.ParseError, + ('1:2 : Message type "protobuf_unittest.TestAllTypes" does not have ' + 'extensions.'), text_format.Parse, text, message) + + def testParseNumericUnknownEnum(self): + message = unittest_pb2.TestAllTypes() + text = 'optional_nested_enum: 100' + self.assertRaisesRegex(text_format.ParseError, + (r'1:23 : \'optional_nested_enum: 100\': ' + r'Enum type "\w+.TestAllTypes.NestedEnum" ' + r'has no value with number 100.'), + text_format.Parse, text, message) + + def testMergeDuplicateExtensionScalars(self): + message = unittest_pb2.TestAllExtensions() + text = ('[protobuf_unittest.optional_int32_extension]: 42 ' + '[protobuf_unittest.optional_int32_extension]: 67') + text_format.Merge(text, message) + self.assertEqual(67, + message.Extensions[unittest_pb2.optional_int32_extension]) + + def testParseDuplicateExtensionScalars(self): + message = unittest_pb2.TestAllExtensions() + text = ('[protobuf_unittest.optional_int32_extension]: 42 ' + '[protobuf_unittest.optional_int32_extension]: 67') + self.assertRaisesRegex( + text_format.ParseError, + ('1:96 : Message type "protobuf_unittest.TestAllExtensions" ' + 'should not have multiple ' + '"protobuf_unittest.optional_int32_extension" extensions.'), + text_format.Parse, text, message) + + def testParseDuplicateExtensionMessages(self): + message = unittest_pb2.TestAllExtensions() + text = ('[protobuf_unittest.optional_nested_message_extension]: {} ' + '[protobuf_unittest.optional_nested_message_extension]: {}') + self.assertRaisesRegex( + text_format.ParseError, + ('1:114 : Message type "protobuf_unittest.TestAllExtensions" ' + 'should not have multiple ' + '"protobuf_unittest.optional_nested_message_extension" extensions.'), + text_format.Parse, text, message) + + def testParseGroupNotClosed(self): + message = unittest_pb2.TestAllTypes() + text = 'RepeatedGroup: <' + self.assertRaisesRegex(text_format.ParseError, '1:16 : Expected ">".', + text_format.Parse, text, message) + text = 'RepeatedGroup: {' + self.assertRaisesRegex(text_format.ParseError, '1:16 : Expected "}".', + text_format.Parse, text, message) + + def testParseEmptyGroup(self): + message = unittest_pb2.TestAllTypes() + text = 'OptionalGroup: {}' + text_format.Parse(text, message) + self.assertTrue(message.HasField('optionalgroup')) + + message.Clear() + + message = unittest_pb2.TestAllTypes() + text = 'OptionalGroup: <>' + text_format.Parse(text, message) + self.assertTrue(message.HasField('optionalgroup')) + + # Maps aren't really proto2-only, but our test schema only has maps for + # proto2. + def testParseMap(self): + text = ('map_int32_int32 {\n' + ' key: -123\n' + ' value: -456\n' + '}\n' + 'map_int64_int64 {\n' + ' key: -8589934592\n' + ' value: -17179869184\n' + '}\n' + 'map_uint32_uint32 {\n' + ' key: 123\n' + ' value: 456\n' + '}\n' + 'map_uint64_uint64 {\n' + ' key: 8589934592\n' + ' value: 17179869184\n' + '}\n' + 'map_string_string {\n' + ' key: "abc"\n' + ' value: "123"\n' + '}\n' + 'map_int32_foreign_message {\n' + ' key: 111\n' + ' value {\n' + ' c: 5\n' + ' }\n' + '}\n') + message = map_unittest_pb2.TestMap() + text_format.Parse(text, message) + + self.assertEqual(-456, message.map_int32_int32[-123]) + self.assertEqual(-2**34, message.map_int64_int64[-2**33]) + self.assertEqual(456, message.map_uint32_uint32[123]) + self.assertEqual(2**34, message.map_uint64_uint64[2**33]) + self.assertEqual('123', message.map_string_string['abc']) + self.assertEqual(5, message.map_int32_foreign_message[111].c) + + +class Proto3Tests(unittest.TestCase): + + def testPrintMessageExpandAny(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + self.assertEqual( + text_format.MessageToString(message, + descriptor_pool=descriptor_pool.Default()), + 'any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string"\n' + ' }\n' + '}\n') + + def testTopAnyMessage(self): + packed_msg = unittest_pb2.OneString() + msg = any_pb2.Any() + msg.Pack(packed_msg) + text = text_format.MessageToString(msg) + other_msg = text_format.Parse(text, any_pb2.Any()) + self.assertEqual(msg, other_msg) + + def testPrintMessageExpandAnyRepeated(self): + packed_message = unittest_pb2.OneString() + message = any_test_pb2.TestAny() + packed_message.data = 'string0' + message.repeated_any_value.add().Pack(packed_message) + packed_message.data = 'string1' + message.repeated_any_value.add().Pack(packed_message) + self.assertEqual( + text_format.MessageToString(message), + 'repeated_any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string0"\n' + ' }\n' + '}\n' + 'repeated_any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string1"\n' + ' }\n' + '}\n') + + def testPrintMessageExpandAnyDescriptorPoolMissingType(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + empty_pool = descriptor_pool.DescriptorPool() + self.assertEqual( + text_format.MessageToString(message, descriptor_pool=empty_pool), + 'any_value {\n' + ' type_url: "type.googleapis.com/protobuf_unittest.OneString"\n' + ' value: "\\n\\006string"\n' + '}\n') + + def testPrintMessageExpandAnyPointyBrackets(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + self.assertEqual( + text_format.MessageToString(message, + pointy_brackets=True), + 'any_value <\n' + ' [type.googleapis.com/protobuf_unittest.OneString] <\n' + ' data: "string"\n' + ' >\n' + '>\n') + + def testPrintMessageExpandAnyAsOneLine(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + self.assertEqual( + text_format.MessageToString(message, + as_one_line=True), + 'any_value {' + ' [type.googleapis.com/protobuf_unittest.OneString]' + ' { data: "string" } ' + '}') + + def testPrintMessageExpandAnyAsOneLinePointyBrackets(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + self.assertEqual( + text_format.MessageToString(message, + as_one_line=True, + pointy_brackets=True, + descriptor_pool=descriptor_pool.Default()), + 'any_value <' + ' [type.googleapis.com/protobuf_unittest.OneString]' + ' < data: "string" > ' + '>') + + def testPrintAndParseMessageInvalidAny(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + # Only include string after last '/' in type_url. + message.any_value.type_url = message.any_value.TypeName() + text = text_format.MessageToString(message) + self.assertEqual( + text, 'any_value {\n' + ' type_url: "protobuf_unittest.OneString"\n' + ' value: "\\n\\006string"\n' + '}\n') + + parsed_message = any_test_pb2.TestAny() + text_format.Parse(text, parsed_message) + self.assertEqual(message, parsed_message) + + def testUnknownEnums(self): + message = unittest_proto3_arena_pb2.TestAllTypes() + message2 = unittest_proto3_arena_pb2.TestAllTypes() + message.optional_nested_enum = 999 + text_string = text_format.MessageToString(message) + text_format.Parse(text_string, message2) + self.assertEqual(999, message2.optional_nested_enum) + + def testMergeExpandedAny(self): + message = any_test_pb2.TestAny() + text = ('any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string"\n' + ' }\n' + '}\n') + text_format.Merge(text, message) + packed_message = unittest_pb2.OneString() + message.any_value.Unpack(packed_message) + self.assertEqual('string', packed_message.data) + message.Clear() + text_format.Parse(text, message) + packed_message = unittest_pb2.OneString() + message.any_value.Unpack(packed_message) + self.assertEqual('string', packed_message.data) + + def testMergeExpandedAnyRepeated(self): + message = any_test_pb2.TestAny() + text = ('repeated_any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string0"\n' + ' }\n' + '}\n' + 'repeated_any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string1"\n' + ' }\n' + '}\n') + text_format.Merge(text, message) + packed_message = unittest_pb2.OneString() + message.repeated_any_value[0].Unpack(packed_message) + self.assertEqual('string0', packed_message.data) + message.repeated_any_value[1].Unpack(packed_message) + self.assertEqual('string1', packed_message.data) + + def testMergeExpandedAnyPointyBrackets(self): + message = any_test_pb2.TestAny() + text = ('any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] <\n' + ' data: "string"\n' + ' >\n' + '}\n') + text_format.Merge(text, message) + packed_message = unittest_pb2.OneString() + message.any_value.Unpack(packed_message) + self.assertEqual('string', packed_message.data) + + def testMergeAlternativeUrl(self): + message = any_test_pb2.TestAny() + text = ('any_value {\n' + ' [type.otherapi.com/protobuf_unittest.OneString] {\n' + ' data: "string"\n' + ' }\n' + '}\n') + text_format.Merge(text, message) + packed_message = unittest_pb2.OneString() + self.assertEqual('type.otherapi.com/protobuf_unittest.OneString', + message.any_value.type_url) + + def testMergeExpandedAnyDescriptorPoolMissingType(self): + message = any_test_pb2.TestAny() + text = ('any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string"\n' + ' }\n' + '}\n') + with self.assertRaises(text_format.ParseError) as e: + empty_pool = descriptor_pool.DescriptorPool() + text_format.Merge(text, message, descriptor_pool=empty_pool) + self.assertEqual( + str(e.exception), + 'Type protobuf_unittest.OneString not found in descriptor pool') + + def testMergeUnexpandedAny(self): + text = ('any_value {\n' + ' type_url: "type.googleapis.com/protobuf_unittest.OneString"\n' + ' value: "\\n\\006string"\n' + '}\n') + message = any_test_pb2.TestAny() + text_format.Merge(text, message) + packed_message = unittest_pb2.OneString() + message.any_value.Unpack(packed_message) + self.assertEqual('string', packed_message.data) + + def testMergeMissingAnyEndToken(self): + message = any_test_pb2.TestAny() + text = ('any_value {\n' + ' [type.googleapis.com/protobuf_unittest.OneString] {\n' + ' data: "string"\n') + with self.assertRaises(text_format.ParseError) as e: + text_format.Merge(text, message) + self.assertEqual(str(e.exception), '3:11 : Expected "}".') + + def testParseExpandedAnyListValue(self): + any_msg = any_pb2.Any() + any_msg.Pack(struct_pb2.ListValue()) + msg = any_test_pb2.TestAny(any_value=any_msg) + text = ('any_value {\n' + ' [type.googleapis.com/google.protobuf.ListValue] {}\n' + '}\n') + parsed_msg = text_format.Parse(text, any_test_pb2.TestAny()) + self.assertEqual(msg, parsed_msg) + + def testProto3Optional(self): + msg = test_proto3_optional_pb2.TestProto3Optional() + self.assertEqual(text_format.MessageToString(msg), '') + msg.optional_int32 = 0 + msg.optional_float = 0.0 + msg.optional_string = '' + msg.optional_nested_message.bb = 0 + text = ('optional_int32: 0\n' + 'optional_float: 0.0\n' + 'optional_string: ""\n' + 'optional_nested_message {\n' + ' bb: 0\n' + '}\n') + self.assertEqual(text_format.MessageToString(msg), text) + msg2 = test_proto3_optional_pb2.TestProto3Optional() + text_format.Parse(text, msg2) + self.assertEqual(text_format.MessageToString(msg2), text) + + +class TokenizerTest(unittest.TestCase): + + def testSimpleTokenCases(self): + text = ('identifier1:"string1"\n \n\n' + 'identifier2 : \n \n123 \n identifier3 :\'string\'\n' + 'identifiER_4 : 1.1e+2 ID5:-0.23 ID6:\'aaaa\\\'bbbb\'\n' + 'ID7 : "aa\\"bb"\n\n\n\n ID8: {A:inf B:-inf C:true D:false}\n' + 'ID9: 22 ID10: -111111111111111111 ID11: -22\n' + 'ID12: 2222222222222222222 ID13: 1.23456f ID14: 1.2e+2f ' + 'false_bool: 0 true_BOOL:t \n true_bool1: 1 false_BOOL1:f ' + 'False_bool: False True_bool: True X:iNf Y:-inF Z:nAN') + tokenizer = text_format.Tokenizer(text.splitlines()) + methods = [(tokenizer.ConsumeIdentifier, 'identifier1'), ':', + (tokenizer.ConsumeString, 'string1'), + (tokenizer.ConsumeIdentifier, 'identifier2'), ':', + (tokenizer.ConsumeInteger, 123), + (tokenizer.ConsumeIdentifier, 'identifier3'), ':', + (tokenizer.ConsumeString, 'string'), + (tokenizer.ConsumeIdentifier, 'identifiER_4'), ':', + (tokenizer.ConsumeFloat, 1.1e+2), + (tokenizer.ConsumeIdentifier, 'ID5'), ':', + (tokenizer.ConsumeFloat, -0.23), + (tokenizer.ConsumeIdentifier, 'ID6'), ':', + (tokenizer.ConsumeString, 'aaaa\'bbbb'), + (tokenizer.ConsumeIdentifier, 'ID7'), ':', + (tokenizer.ConsumeString, 'aa\"bb'), + (tokenizer.ConsumeIdentifier, 'ID8'), ':', '{', + (tokenizer.ConsumeIdentifier, 'A'), ':', + (tokenizer.ConsumeFloat, float('inf')), + (tokenizer.ConsumeIdentifier, 'B'), ':', + (tokenizer.ConsumeFloat, -float('inf')), + (tokenizer.ConsumeIdentifier, 'C'), ':', + (tokenizer.ConsumeBool, True), + (tokenizer.ConsumeIdentifier, 'D'), ':', + (tokenizer.ConsumeBool, False), '}', + (tokenizer.ConsumeIdentifier, 'ID9'), ':', + (tokenizer.ConsumeInteger, 22), + (tokenizer.ConsumeIdentifier, 'ID10'), ':', + (tokenizer.ConsumeInteger, -111111111111111111), + (tokenizer.ConsumeIdentifier, 'ID11'), ':', + (tokenizer.ConsumeInteger, -22), + (tokenizer.ConsumeIdentifier, 'ID12'), ':', + (tokenizer.ConsumeInteger, 2222222222222222222), + (tokenizer.ConsumeIdentifier, 'ID13'), ':', + (tokenizer.ConsumeFloat, 1.23456), + (tokenizer.ConsumeIdentifier, 'ID14'), ':', + (tokenizer.ConsumeFloat, 1.2e+2), + (tokenizer.ConsumeIdentifier, 'false_bool'), ':', + (tokenizer.ConsumeBool, False), + (tokenizer.ConsumeIdentifier, 'true_BOOL'), ':', + (tokenizer.ConsumeBool, True), + (tokenizer.ConsumeIdentifier, 'true_bool1'), ':', + (tokenizer.ConsumeBool, True), + (tokenizer.ConsumeIdentifier, 'false_BOOL1'), ':', + (tokenizer.ConsumeBool, False), + (tokenizer.ConsumeIdentifier, 'False_bool'), ':', + (tokenizer.ConsumeBool, False), + (tokenizer.ConsumeIdentifier, 'True_bool'), ':', + (tokenizer.ConsumeBool, True), + (tokenizer.ConsumeIdentifier, 'X'), ':', + (tokenizer.ConsumeFloat, float('inf')), + (tokenizer.ConsumeIdentifier, 'Y'), ':', + (tokenizer.ConsumeFloat, float('-inf')), + (tokenizer.ConsumeIdentifier, 'Z'), ':', + (tokenizer.ConsumeFloat, float('nan'))] + + i = 0 + while not tokenizer.AtEnd(): + m = methods[i] + if isinstance(m, str): + token = tokenizer.token + self.assertEqual(token, m) + tokenizer.NextToken() + elif isinstance(m[1], float) and math.isnan(m[1]): + self.assertTrue(math.isnan(m[0]())) + else: + self.assertEqual(m[1], m[0]()) + i += 1 + + def testConsumeAbstractIntegers(self): + # This test only tests the failures in the integer parsing methods as well + # as the '0' special cases. + int64_max = (1 << 63) - 1 + uint32_max = (1 << 32) - 1 + text = '-1 %d %d' % (uint32_max + 1, int64_max + 1) + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertEqual(-1, tokenizer.ConsumeInteger()) + + self.assertEqual(uint32_max + 1, tokenizer.ConsumeInteger()) + + self.assertEqual(int64_max + 1, tokenizer.ConsumeInteger()) + self.assertTrue(tokenizer.AtEnd()) + + text = '-0 0 0 1.2' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertEqual(0, tokenizer.ConsumeInteger()) + self.assertEqual(0, tokenizer.ConsumeInteger()) + self.assertEqual(True, tokenizer.TryConsumeInteger()) + self.assertEqual(False, tokenizer.TryConsumeInteger()) + with self.assertRaises(text_format.ParseError): + tokenizer.ConsumeInteger() + self.assertEqual(1.2, tokenizer.ConsumeFloat()) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeIntegers(self): + # This test only tests the failures in the integer parsing methods as well + # as the '0' special cases. + int64_max = (1 << 63) - 1 + uint32_max = (1 << 32) - 1 + text = '-1 %d %d' % (uint32_max + 1, int64_max + 1) + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertRaises(text_format.ParseError, + text_format._ConsumeUint32, tokenizer) + self.assertRaises(text_format.ParseError, + text_format._ConsumeUint64, tokenizer) + self.assertEqual(-1, text_format._ConsumeInt32(tokenizer)) + + self.assertRaises(text_format.ParseError, + text_format._ConsumeUint32, tokenizer) + self.assertRaises(text_format.ParseError, + text_format._ConsumeInt32, tokenizer) + self.assertEqual(uint32_max + 1, text_format._ConsumeInt64(tokenizer)) + + self.assertRaises(text_format.ParseError, + text_format._ConsumeInt64, tokenizer) + self.assertEqual(int64_max + 1, text_format._ConsumeUint64(tokenizer)) + self.assertTrue(tokenizer.AtEnd()) + + text = '-0 -0 0 0' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertEqual(0, text_format._ConsumeUint32(tokenizer)) + self.assertEqual(0, text_format._ConsumeUint64(tokenizer)) + self.assertEqual(0, text_format._ConsumeUint32(tokenizer)) + self.assertEqual(0, text_format._ConsumeUint64(tokenizer)) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeOctalIntegers(self): + """Test support for C style octal integers.""" + text = '00 -00 04 0755 -010 007 -0033 08 -09 01' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertEqual(0, tokenizer.ConsumeInteger()) + self.assertEqual(0, tokenizer.ConsumeInteger()) + self.assertEqual(4, tokenizer.ConsumeInteger()) + self.assertEqual(0o755, tokenizer.ConsumeInteger()) + self.assertEqual(-0o10, tokenizer.ConsumeInteger()) + self.assertEqual(7, tokenizer.ConsumeInteger()) + self.assertEqual(-0o033, tokenizer.ConsumeInteger()) + with self.assertRaises(text_format.ParseError): + tokenizer.ConsumeInteger() # 08 + tokenizer.NextToken() + with self.assertRaises(text_format.ParseError): + tokenizer.ConsumeInteger() # -09 + tokenizer.NextToken() + self.assertEqual(1, tokenizer.ConsumeInteger()) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeByteString(self): + text = '"string1\'' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeByteString) + + text = 'string1"' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeByteString) + + text = '\n"\\xt"' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeByteString) + + text = '\n"\\"' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeByteString) + + text = '\n"\\x"' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeByteString) + + def testConsumeBool(self): + text = 'not-a-bool' + tokenizer = text_format.Tokenizer(text.splitlines()) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeBool) + + def testSkipComment(self): + tokenizer = text_format.Tokenizer('# some comment'.splitlines()) + self.assertTrue(tokenizer.AtEnd()) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeComment) + + def testConsumeComment(self): + tokenizer = text_format.Tokenizer('# some comment'.splitlines(), + skip_comments=False) + self.assertFalse(tokenizer.AtEnd()) + self.assertEqual('# some comment', tokenizer.ConsumeComment()) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeTwoComments(self): + text = '# some comment\n# another comment' + tokenizer = text_format.Tokenizer(text.splitlines(), skip_comments=False) + self.assertEqual('# some comment', tokenizer.ConsumeComment()) + self.assertFalse(tokenizer.AtEnd()) + self.assertEqual('# another comment', tokenizer.ConsumeComment()) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeTrailingComment(self): + text = 'some_number: 4\n# some comment' + tokenizer = text_format.Tokenizer(text.splitlines(), skip_comments=False) + self.assertRaises(text_format.ParseError, tokenizer.ConsumeComment) + + self.assertEqual('some_number', tokenizer.ConsumeIdentifier()) + self.assertEqual(tokenizer.token, ':') + tokenizer.NextToken() + self.assertRaises(text_format.ParseError, tokenizer.ConsumeComment) + self.assertEqual(4, tokenizer.ConsumeInteger()) + self.assertFalse(tokenizer.AtEnd()) + + self.assertEqual('# some comment', tokenizer.ConsumeComment()) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeLineComment(self): + tokenizer = text_format.Tokenizer('# some comment'.splitlines(), + skip_comments=False) + self.assertFalse(tokenizer.AtEnd()) + self.assertEqual((False, '# some comment'), + tokenizer.ConsumeCommentOrTrailingComment()) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeTwoLineComments(self): + text = '# some comment\n# another comment' + tokenizer = text_format.Tokenizer(text.splitlines(), skip_comments=False) + self.assertEqual((False, '# some comment'), + tokenizer.ConsumeCommentOrTrailingComment()) + self.assertFalse(tokenizer.AtEnd()) + self.assertEqual((False, '# another comment'), + tokenizer.ConsumeCommentOrTrailingComment()) + self.assertTrue(tokenizer.AtEnd()) + + def testConsumeAndCheckTrailingComment(self): + text = 'some_number: 4 # some comment' # trailing comment on the same line + tokenizer = text_format.Tokenizer(text.splitlines(), skip_comments=False) + self.assertRaises(text_format.ParseError, + tokenizer.ConsumeCommentOrTrailingComment) + + self.assertEqual('some_number', tokenizer.ConsumeIdentifier()) + self.assertEqual(tokenizer.token, ':') + tokenizer.NextToken() + self.assertRaises(text_format.ParseError, + tokenizer.ConsumeCommentOrTrailingComment) + self.assertEqual(4, tokenizer.ConsumeInteger()) + self.assertFalse(tokenizer.AtEnd()) + + self.assertEqual((True, '# some comment'), + tokenizer.ConsumeCommentOrTrailingComment()) + self.assertTrue(tokenizer.AtEnd()) + + def testHashinComment(self): + text = 'some_number: 4 # some comment # not a new comment' + tokenizer = text_format.Tokenizer(text.splitlines(), skip_comments=False) + self.assertEqual('some_number', tokenizer.ConsumeIdentifier()) + self.assertEqual(tokenizer.token, ':') + tokenizer.NextToken() + self.assertEqual(4, tokenizer.ConsumeInteger()) + self.assertEqual((True, '# some comment # not a new comment'), + tokenizer.ConsumeCommentOrTrailingComment()) + self.assertTrue(tokenizer.AtEnd()) + + def testHugeString(self): + # With pathologic backtracking, fails with Forge OOM. + text = '"' + 'a' * (10 * 1024 * 1024) + '"' + tokenizer = text_format.Tokenizer(text.splitlines(), skip_comments=False) + tokenizer.ConsumeString() + + +# Tests for pretty printer functionality. +@_parameterized.parameters((unittest_pb2), (unittest_proto3_arena_pb2)) +class PrettyPrinterTest(TextFormatBase): + + def testPrettyPrintNoMatch(self, message_module): + + def printer(message, indent, as_one_line): + del message, indent, as_one_line + return None + + message = message_module.TestAllTypes() + msg = message.repeated_nested_message.add() + msg.bb = 42 + self.CompareToGoldenText( + text_format.MessageToString( + message, as_one_line=True, message_formatter=printer), + 'repeated_nested_message { bb: 42 }') + + def testPrettyPrintOneLine(self, message_module): + + def printer(m, indent, as_one_line): + del indent, as_one_line + if m.DESCRIPTOR == message_module.TestAllTypes.NestedMessage.DESCRIPTOR: + return 'My lucky number is %s' % m.bb + + message = message_module.TestAllTypes() + msg = message.repeated_nested_message.add() + msg.bb = 42 + self.CompareToGoldenText( + text_format.MessageToString( + message, as_one_line=True, message_formatter=printer), + 'repeated_nested_message { My lucky number is 42 }') + + def testPrettyPrintMultiLine(self, message_module): + + def printer(m, indent, as_one_line): + if m.DESCRIPTOR == message_module.TestAllTypes.NestedMessage.DESCRIPTOR: + line_deliminator = (' ' if as_one_line else '\n') + ' ' * indent + return 'My lucky number is:%s%s' % (line_deliminator, m.bb) + return None + + message = message_module.TestAllTypes() + msg = message.repeated_nested_message.add() + msg.bb = 42 + self.CompareToGoldenText( + text_format.MessageToString( + message, as_one_line=True, message_formatter=printer), + 'repeated_nested_message { My lucky number is: 42 }') + self.CompareToGoldenText( + text_format.MessageToString( + message, as_one_line=False, message_formatter=printer), + 'repeated_nested_message {\n My lucky number is:\n 42\n}\n') + + def testPrettyPrintEntireMessage(self, message_module): + + def printer(m, indent, as_one_line): + del indent, as_one_line + if m.DESCRIPTOR == message_module.TestAllTypes.DESCRIPTOR: + return 'The is the message!' + return None + + message = message_module.TestAllTypes() + self.CompareToGoldenText( + text_format.MessageToString( + message, as_one_line=False, message_formatter=printer), + 'The is the message!\n') + self.CompareToGoldenText( + text_format.MessageToString( + message, as_one_line=True, message_formatter=printer), + 'The is the message!') + + def testPrettyPrintMultipleParts(self, message_module): + + def printer(m, indent, as_one_line): + del indent, as_one_line + if m.DESCRIPTOR == message_module.TestAllTypes.NestedMessage.DESCRIPTOR: + return 'My lucky number is %s' % m.bb + return None + + message = message_module.TestAllTypes() + message.optional_int32 = 61 + msg = message.repeated_nested_message.add() + msg.bb = 42 + msg = message.repeated_nested_message.add() + msg.bb = 99 + msg = message.optional_nested_message + msg.bb = 1 + self.CompareToGoldenText( + text_format.MessageToString( + message, as_one_line=True, message_formatter=printer), + ('optional_int32: 61 ' + 'optional_nested_message { My lucky number is 1 } ' + 'repeated_nested_message { My lucky number is 42 } ' + 'repeated_nested_message { My lucky number is 99 }')) + + out = text_format.TextWriter(False) + text_format.PrintField( + message_module.TestAllTypes.DESCRIPTOR.fields_by_name[ + 'optional_nested_message'], + message.optional_nested_message, + out, + message_formatter=printer) + self.assertEqual( + 'optional_nested_message {\n My lucky number is 1\n}\n', + out.getvalue()) + out.close() + + out = text_format.TextWriter(False) + text_format.PrintFieldValue( + message_module.TestAllTypes.DESCRIPTOR.fields_by_name[ + 'optional_nested_message'], + message.optional_nested_message, + out, + message_formatter=printer) + self.assertEqual( + '{\n My lucky number is 1\n}', + out.getvalue()) + out.close() + + +class WhitespaceTest(TextFormatBase): + + def setUp(self): + self.out = text_format.TextWriter(False) + self.addCleanup(self.out.close) + self.message = unittest_pb2.NestedTestAllTypes() + self.message.child.payload.optional_string = 'value' + self.field = self.message.DESCRIPTOR.fields_by_name['child'] + self.value = self.message.child + + def testMessageToString(self): + self.CompareToGoldenText( + text_format.MessageToString(self.message), + textwrap.dedent("""\ + child { + payload { + optional_string: "value" + } + } + """)) + + def testPrintMessage(self): + text_format.PrintMessage(self.message, self.out) + self.CompareToGoldenText( + self.out.getvalue(), + textwrap.dedent("""\ + child { + payload { + optional_string: "value" + } + } + """)) + + def testPrintField(self): + text_format.PrintField(self.field, self.value, self.out) + self.CompareToGoldenText( + self.out.getvalue(), + textwrap.dedent("""\ + child { + payload { + optional_string: "value" + } + } + """)) + + def testPrintFieldValue(self): + text_format.PrintFieldValue( + self.field, self.value, self.out) + self.CompareToGoldenText( + self.out.getvalue(), + textwrap.dedent("""\ + { + payload { + optional_string: "value" + } + }""")) + + +class OptionalColonMessageToStringTest(unittest.TestCase): + + def testForcePrintOptionalColon(self): + packed_message = unittest_pb2.OneString() + packed_message.data = 'string' + message = any_test_pb2.TestAny() + message.any_value.Pack(packed_message) + output = text_format.MessageToString( + message, + force_colon=True) + expected = ('any_value: {\n' + ' [type.googleapis.com/protobuf_unittest.OneString]: {\n' + ' data: "string"\n' + ' }\n' + '}\n') + self.assertEqual(expected, output) + + def testPrintShortFormatRepeatedFields(self): + message = unittest_pb2.TestAllTypes() + message.repeated_int32.append(1) + output = text_format.MessageToString( + message, use_short_repeated_primitives=True, force_colon=True) + self.assertEqual('repeated_int32: [1]\n', output) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/type_checkers.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/type_checkers.py new file mode 100644 index 0000000..a53e71f --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/type_checkers.py @@ -0,0 +1,435 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Provides type checking routines. + +This module defines type checking utilities in the forms of dictionaries: + +VALUE_CHECKERS: A dictionary of field types and a value validation object. +TYPE_TO_BYTE_SIZE_FN: A dictionary with field types and a size computing + function. +TYPE_TO_SERIALIZE_METHOD: A dictionary with field types and serialization + function. +FIELD_TYPE_TO_WIRE_TYPE: A dictionary with field typed and their + corresponding wire types. +TYPE_TO_DESERIALIZE_METHOD: A dictionary with field types and deserialization + function. +""" + +__author__ = 'robinson@google.com (Will Robinson)' + +import ctypes +import numbers + +from google.protobuf.internal import decoder +from google.protobuf.internal import encoder +from google.protobuf.internal import wire_format +from google.protobuf import descriptor + +_FieldDescriptor = descriptor.FieldDescriptor + + +def TruncateToFourByteFloat(original): + return ctypes.c_float(original).value + + +def ToShortestFloat(original): + """Returns the shortest float that has same value in wire.""" + # All 4 byte floats have between 6 and 9 significant digits, so we + # start with 6 as the lower bound. + # It has to be iterative because use '.9g' directly can not get rid + # of the noises for most values. For example if set a float_field=0.9 + # use '.9g' will print 0.899999976. + precision = 6 + rounded = float('{0:.{1}g}'.format(original, precision)) + while TruncateToFourByteFloat(rounded) != original: + precision += 1 + rounded = float('{0:.{1}g}'.format(original, precision)) + return rounded + + +def SupportsOpenEnums(field_descriptor): + return field_descriptor.containing_type.syntax == 'proto3' + + +def GetTypeChecker(field): + """Returns a type checker for a message field of the specified types. + + Args: + field: FieldDescriptor object for this field. + + Returns: + An instance of TypeChecker which can be used to verify the types + of values assigned to a field of the specified type. + """ + if (field.cpp_type == _FieldDescriptor.CPPTYPE_STRING and + field.type == _FieldDescriptor.TYPE_STRING): + return UnicodeValueChecker() + if field.cpp_type == _FieldDescriptor.CPPTYPE_ENUM: + if SupportsOpenEnums(field): + # When open enums are supported, any int32 can be assigned. + return _VALUE_CHECKERS[_FieldDescriptor.CPPTYPE_INT32] + else: + return EnumValueChecker(field.enum_type) + return _VALUE_CHECKERS[field.cpp_type] + + +# None of the typecheckers below make any attempt to guard against people +# subclassing builtin types and doing weird things. We're not trying to +# protect against malicious clients here, just people accidentally shooting +# themselves in the foot in obvious ways. +class TypeChecker(object): + + """Type checker used to catch type errors as early as possible + when the client is setting scalar fields in protocol messages. + """ + + def __init__(self, *acceptable_types): + self._acceptable_types = acceptable_types + + def CheckValue(self, proposed_value): + """Type check the provided value and return it. + + The returned value might have been normalized to another type. + """ + if not isinstance(proposed_value, self._acceptable_types): + message = ('%.1024r has type %s, but expected one of: %s' % + (proposed_value, type(proposed_value), self._acceptable_types)) + raise TypeError(message) + return proposed_value + + +class TypeCheckerWithDefault(TypeChecker): + + def __init__(self, default_value, *acceptable_types): + TypeChecker.__init__(self, *acceptable_types) + self._default_value = default_value + + def DefaultValue(self): + return self._default_value + + +class BoolValueChecker(object): + """Type checker used for bool fields.""" + + def CheckValue(self, proposed_value): + if not hasattr(proposed_value, '__index__') or ( + type(proposed_value).__module__ == 'numpy' and + type(proposed_value).__name__ == 'ndarray'): + message = ('%.1024r has type %s, but expected one of: %s' % + (proposed_value, type(proposed_value), (bool, int))) + raise TypeError(message) + return bool(proposed_value) + + def DefaultValue(self): + return False + + +# IntValueChecker and its subclasses perform integer type-checks +# and bounds-checks. +class IntValueChecker(object): + + """Checker used for integer fields. Performs type-check and range check.""" + + def CheckValue(self, proposed_value): + if not hasattr(proposed_value, '__index__') or ( + type(proposed_value).__module__ == 'numpy' and + type(proposed_value).__name__ == 'ndarray'): + message = ('%.1024r has type %s, but expected one of: %s' % + (proposed_value, type(proposed_value), (int,))) + raise TypeError(message) + + if not self._MIN <= int(proposed_value) <= self._MAX: + raise ValueError('Value out of range: %d' % proposed_value) + # We force all values to int to make alternate implementations where the + # distinction is more significant (e.g. the C++ implementation) simpler. + proposed_value = int(proposed_value) + return proposed_value + + def DefaultValue(self): + return 0 + + +class EnumValueChecker(object): + + """Checker used for enum fields. Performs type-check and range check.""" + + def __init__(self, enum_type): + self._enum_type = enum_type + + def CheckValue(self, proposed_value): + if not isinstance(proposed_value, numbers.Integral): + message = ('%.1024r has type %s, but expected one of: %s' % + (proposed_value, type(proposed_value), (int,))) + raise TypeError(message) + if int(proposed_value) not in self._enum_type.values_by_number: + raise ValueError('Unknown enum value: %d' % proposed_value) + return proposed_value + + def DefaultValue(self): + return self._enum_type.values[0].number + + +class UnicodeValueChecker(object): + + """Checker used for string fields. + + Always returns a unicode value, even if the input is of type str. + """ + + def CheckValue(self, proposed_value): + if not isinstance(proposed_value, (bytes, str)): + message = ('%.1024r has type %s, but expected one of: %s' % + (proposed_value, type(proposed_value), (bytes, str))) + raise TypeError(message) + + # If the value is of type 'bytes' make sure that it is valid UTF-8 data. + if isinstance(proposed_value, bytes): + try: + proposed_value = proposed_value.decode('utf-8') + except UnicodeDecodeError: + raise ValueError('%.1024r has type bytes, but isn\'t valid UTF-8 ' + 'encoding. Non-UTF-8 strings must be converted to ' + 'unicode objects before being added.' % + (proposed_value)) + else: + try: + proposed_value.encode('utf8') + except UnicodeEncodeError: + raise ValueError('%.1024r isn\'t a valid unicode string and ' + 'can\'t be encoded in UTF-8.'% + (proposed_value)) + + return proposed_value + + def DefaultValue(self): + return u"" + + +class Int32ValueChecker(IntValueChecker): + # We're sure to use ints instead of longs here since comparison may be more + # efficient. + _MIN = -2147483648 + _MAX = 2147483647 + + +class Uint32ValueChecker(IntValueChecker): + _MIN = 0 + _MAX = (1 << 32) - 1 + + +class Int64ValueChecker(IntValueChecker): + _MIN = -(1 << 63) + _MAX = (1 << 63) - 1 + + +class Uint64ValueChecker(IntValueChecker): + _MIN = 0 + _MAX = (1 << 64) - 1 + + +# The max 4 bytes float is about 3.4028234663852886e+38 +_FLOAT_MAX = float.fromhex('0x1.fffffep+127') +_FLOAT_MIN = -_FLOAT_MAX +_INF = float('inf') +_NEG_INF = float('-inf') + + +class DoubleValueChecker(object): + """Checker used for double fields. + + Performs type-check and range check. + """ + + def CheckValue(self, proposed_value): + """Check and convert proposed_value to float.""" + if (not hasattr(proposed_value, '__float__') and + not hasattr(proposed_value, '__index__')) or ( + type(proposed_value).__module__ == 'numpy' and + type(proposed_value).__name__ == 'ndarray'): + message = ('%.1024r has type %s, but expected one of: int, float' % + (proposed_value, type(proposed_value))) + raise TypeError(message) + return float(proposed_value) + + def DefaultValue(self): + return 0.0 + + +class FloatValueChecker(DoubleValueChecker): + """Checker used for float fields. + + Performs type-check and range check. + + Values exceeding a 32-bit float will be converted to inf/-inf. + """ + + def CheckValue(self, proposed_value): + """Check and convert proposed_value to float.""" + converted_value = super().CheckValue(proposed_value) + # This inf rounding matches the C++ proto SafeDoubleToFloat logic. + if converted_value > _FLOAT_MAX: + return _INF + if converted_value < _FLOAT_MIN: + return _NEG_INF + + return TruncateToFourByteFloat(converted_value) + +# Type-checkers for all scalar CPPTYPEs. +_VALUE_CHECKERS = { + _FieldDescriptor.CPPTYPE_INT32: Int32ValueChecker(), + _FieldDescriptor.CPPTYPE_INT64: Int64ValueChecker(), + _FieldDescriptor.CPPTYPE_UINT32: Uint32ValueChecker(), + _FieldDescriptor.CPPTYPE_UINT64: Uint64ValueChecker(), + _FieldDescriptor.CPPTYPE_DOUBLE: DoubleValueChecker(), + _FieldDescriptor.CPPTYPE_FLOAT: FloatValueChecker(), + _FieldDescriptor.CPPTYPE_BOOL: BoolValueChecker(), + _FieldDescriptor.CPPTYPE_STRING: TypeCheckerWithDefault(b'', bytes), +} + + +# Map from field type to a function F, such that F(field_num, value) +# gives the total byte size for a value of the given type. This +# byte size includes tag information and any other additional space +# associated with serializing "value". +TYPE_TO_BYTE_SIZE_FN = { + _FieldDescriptor.TYPE_DOUBLE: wire_format.DoubleByteSize, + _FieldDescriptor.TYPE_FLOAT: wire_format.FloatByteSize, + _FieldDescriptor.TYPE_INT64: wire_format.Int64ByteSize, + _FieldDescriptor.TYPE_UINT64: wire_format.UInt64ByteSize, + _FieldDescriptor.TYPE_INT32: wire_format.Int32ByteSize, + _FieldDescriptor.TYPE_FIXED64: wire_format.Fixed64ByteSize, + _FieldDescriptor.TYPE_FIXED32: wire_format.Fixed32ByteSize, + _FieldDescriptor.TYPE_BOOL: wire_format.BoolByteSize, + _FieldDescriptor.TYPE_STRING: wire_format.StringByteSize, + _FieldDescriptor.TYPE_GROUP: wire_format.GroupByteSize, + _FieldDescriptor.TYPE_MESSAGE: wire_format.MessageByteSize, + _FieldDescriptor.TYPE_BYTES: wire_format.BytesByteSize, + _FieldDescriptor.TYPE_UINT32: wire_format.UInt32ByteSize, + _FieldDescriptor.TYPE_ENUM: wire_format.EnumByteSize, + _FieldDescriptor.TYPE_SFIXED32: wire_format.SFixed32ByteSize, + _FieldDescriptor.TYPE_SFIXED64: wire_format.SFixed64ByteSize, + _FieldDescriptor.TYPE_SINT32: wire_format.SInt32ByteSize, + _FieldDescriptor.TYPE_SINT64: wire_format.SInt64ByteSize + } + + +# Maps from field types to encoder constructors. +TYPE_TO_ENCODER = { + _FieldDescriptor.TYPE_DOUBLE: encoder.DoubleEncoder, + _FieldDescriptor.TYPE_FLOAT: encoder.FloatEncoder, + _FieldDescriptor.TYPE_INT64: encoder.Int64Encoder, + _FieldDescriptor.TYPE_UINT64: encoder.UInt64Encoder, + _FieldDescriptor.TYPE_INT32: encoder.Int32Encoder, + _FieldDescriptor.TYPE_FIXED64: encoder.Fixed64Encoder, + _FieldDescriptor.TYPE_FIXED32: encoder.Fixed32Encoder, + _FieldDescriptor.TYPE_BOOL: encoder.BoolEncoder, + _FieldDescriptor.TYPE_STRING: encoder.StringEncoder, + _FieldDescriptor.TYPE_GROUP: encoder.GroupEncoder, + _FieldDescriptor.TYPE_MESSAGE: encoder.MessageEncoder, + _FieldDescriptor.TYPE_BYTES: encoder.BytesEncoder, + _FieldDescriptor.TYPE_UINT32: encoder.UInt32Encoder, + _FieldDescriptor.TYPE_ENUM: encoder.EnumEncoder, + _FieldDescriptor.TYPE_SFIXED32: encoder.SFixed32Encoder, + _FieldDescriptor.TYPE_SFIXED64: encoder.SFixed64Encoder, + _FieldDescriptor.TYPE_SINT32: encoder.SInt32Encoder, + _FieldDescriptor.TYPE_SINT64: encoder.SInt64Encoder, + } + + +# Maps from field types to sizer constructors. +TYPE_TO_SIZER = { + _FieldDescriptor.TYPE_DOUBLE: encoder.DoubleSizer, + _FieldDescriptor.TYPE_FLOAT: encoder.FloatSizer, + _FieldDescriptor.TYPE_INT64: encoder.Int64Sizer, + _FieldDescriptor.TYPE_UINT64: encoder.UInt64Sizer, + _FieldDescriptor.TYPE_INT32: encoder.Int32Sizer, + _FieldDescriptor.TYPE_FIXED64: encoder.Fixed64Sizer, + _FieldDescriptor.TYPE_FIXED32: encoder.Fixed32Sizer, + _FieldDescriptor.TYPE_BOOL: encoder.BoolSizer, + _FieldDescriptor.TYPE_STRING: encoder.StringSizer, + _FieldDescriptor.TYPE_GROUP: encoder.GroupSizer, + _FieldDescriptor.TYPE_MESSAGE: encoder.MessageSizer, + _FieldDescriptor.TYPE_BYTES: encoder.BytesSizer, + _FieldDescriptor.TYPE_UINT32: encoder.UInt32Sizer, + _FieldDescriptor.TYPE_ENUM: encoder.EnumSizer, + _FieldDescriptor.TYPE_SFIXED32: encoder.SFixed32Sizer, + _FieldDescriptor.TYPE_SFIXED64: encoder.SFixed64Sizer, + _FieldDescriptor.TYPE_SINT32: encoder.SInt32Sizer, + _FieldDescriptor.TYPE_SINT64: encoder.SInt64Sizer, + } + + +# Maps from field type to a decoder constructor. +TYPE_TO_DECODER = { + _FieldDescriptor.TYPE_DOUBLE: decoder.DoubleDecoder, + _FieldDescriptor.TYPE_FLOAT: decoder.FloatDecoder, + _FieldDescriptor.TYPE_INT64: decoder.Int64Decoder, + _FieldDescriptor.TYPE_UINT64: decoder.UInt64Decoder, + _FieldDescriptor.TYPE_INT32: decoder.Int32Decoder, + _FieldDescriptor.TYPE_FIXED64: decoder.Fixed64Decoder, + _FieldDescriptor.TYPE_FIXED32: decoder.Fixed32Decoder, + _FieldDescriptor.TYPE_BOOL: decoder.BoolDecoder, + _FieldDescriptor.TYPE_STRING: decoder.StringDecoder, + _FieldDescriptor.TYPE_GROUP: decoder.GroupDecoder, + _FieldDescriptor.TYPE_MESSAGE: decoder.MessageDecoder, + _FieldDescriptor.TYPE_BYTES: decoder.BytesDecoder, + _FieldDescriptor.TYPE_UINT32: decoder.UInt32Decoder, + _FieldDescriptor.TYPE_ENUM: decoder.EnumDecoder, + _FieldDescriptor.TYPE_SFIXED32: decoder.SFixed32Decoder, + _FieldDescriptor.TYPE_SFIXED64: decoder.SFixed64Decoder, + _FieldDescriptor.TYPE_SINT32: decoder.SInt32Decoder, + _FieldDescriptor.TYPE_SINT64: decoder.SInt64Decoder, + } + +# Maps from field type to expected wiretype. +FIELD_TYPE_TO_WIRE_TYPE = { + _FieldDescriptor.TYPE_DOUBLE: wire_format.WIRETYPE_FIXED64, + _FieldDescriptor.TYPE_FLOAT: wire_format.WIRETYPE_FIXED32, + _FieldDescriptor.TYPE_INT64: wire_format.WIRETYPE_VARINT, + _FieldDescriptor.TYPE_UINT64: wire_format.WIRETYPE_VARINT, + _FieldDescriptor.TYPE_INT32: wire_format.WIRETYPE_VARINT, + _FieldDescriptor.TYPE_FIXED64: wire_format.WIRETYPE_FIXED64, + _FieldDescriptor.TYPE_FIXED32: wire_format.WIRETYPE_FIXED32, + _FieldDescriptor.TYPE_BOOL: wire_format.WIRETYPE_VARINT, + _FieldDescriptor.TYPE_STRING: + wire_format.WIRETYPE_LENGTH_DELIMITED, + _FieldDescriptor.TYPE_GROUP: wire_format.WIRETYPE_START_GROUP, + _FieldDescriptor.TYPE_MESSAGE: + wire_format.WIRETYPE_LENGTH_DELIMITED, + _FieldDescriptor.TYPE_BYTES: + wire_format.WIRETYPE_LENGTH_DELIMITED, + _FieldDescriptor.TYPE_UINT32: wire_format.WIRETYPE_VARINT, + _FieldDescriptor.TYPE_ENUM: wire_format.WIRETYPE_VARINT, + _FieldDescriptor.TYPE_SFIXED32: wire_format.WIRETYPE_FIXED32, + _FieldDescriptor.TYPE_SFIXED64: wire_format.WIRETYPE_FIXED64, + _FieldDescriptor.TYPE_SINT32: wire_format.WIRETYPE_VARINT, + _FieldDescriptor.TYPE_SINT64: wire_format.WIRETYPE_VARINT, + } diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/unknown_fields_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/unknown_fields_test.py new file mode 100644 index 0000000..64a0367 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/unknown_fields_test.py @@ -0,0 +1,461 @@ +# -*- coding: utf-8 -*- +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Test for preservation of unknown fields in the pure Python implementation.""" + +__author__ = 'bohdank@google.com (Bohdan Koval)' + +import sys +import unittest + +from google.protobuf import map_unittest_pb2 +from google.protobuf import unittest_mset_pb2 +from google.protobuf import unittest_pb2 +from google.protobuf import unittest_proto3_arena_pb2 +from google.protobuf.internal import api_implementation +from google.protobuf.internal import encoder +from google.protobuf.internal import message_set_extensions_pb2 +from google.protobuf.internal import missing_enum_values_pb2 +from google.protobuf.internal import test_util +from google.protobuf.internal import testing_refleaks +from google.protobuf.internal import type_checkers +from google.protobuf.internal import wire_format +from google.protobuf import descriptor +from google.protobuf import unknown_fields +try: + import tracemalloc # pylint: disable=g-import-not-at-top +except ImportError: + # Requires python 3.4+ + pass + + +@testing_refleaks.TestCase +class UnknownFieldsTest(unittest.TestCase): + + def setUp(self): + self.descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR + self.all_fields = unittest_pb2.TestAllTypes() + test_util.SetAllFields(self.all_fields) + self.all_fields_data = self.all_fields.SerializeToString() + self.empty_message = unittest_pb2.TestEmptyMessage() + self.empty_message.ParseFromString(self.all_fields_data) + + def testSerialize(self): + data = self.empty_message.SerializeToString() + + # Don't use assertEqual because we don't want to dump raw binary data to + # stdout. + self.assertTrue(data == self.all_fields_data) + + def testSerializeProto3(self): + # Verify proto3 unknown fields behavior. + message = unittest_proto3_arena_pb2.TestEmptyMessage() + message.ParseFromString(self.all_fields_data) + self.assertEqual(self.all_fields_data, message.SerializeToString()) + + def testByteSize(self): + self.assertEqual(self.all_fields.ByteSize(), self.empty_message.ByteSize()) + + def testListFields(self): + # Make sure ListFields doesn't return unknown fields. + self.assertEqual(0, len(self.empty_message.ListFields())) + + def testSerializeMessageSetWireFormatUnknownExtension(self): + # Create a message using the message set wire format with an unknown + # message. + raw = unittest_mset_pb2.RawMessageSet() + + # Add an unknown extension. + item = raw.item.add() + item.type_id = 98218603 + message1 = message_set_extensions_pb2.TestMessageSetExtension1() + message1.i = 12345 + item.message = message1.SerializeToString() + + serialized = raw.SerializeToString() + + # Parse message using the message set wire format. + proto = message_set_extensions_pb2.TestMessageSet() + proto.MergeFromString(serialized) + + unknown_field_set = unknown_fields.UnknownFieldSet(proto) + self.assertEqual(len(unknown_field_set), 1) + # Unknown field should have wire format data which can be parsed back to + # original message. + self.assertEqual(unknown_field_set[0].field_number, item.type_id) + self.assertEqual(unknown_field_set[0].wire_type, + wire_format.WIRETYPE_LENGTH_DELIMITED) + d = unknown_field_set[0].data + message_new = message_set_extensions_pb2.TestMessageSetExtension1() + message_new.ParseFromString(d) + self.assertEqual(message1, message_new) + + # Verify that the unknown extension is serialized unchanged + reserialized = proto.SerializeToString() + new_raw = unittest_mset_pb2.RawMessageSet() + new_raw.MergeFromString(reserialized) + self.assertEqual(raw, new_raw) + + def testEquals(self): + message = unittest_pb2.TestEmptyMessage() + message.ParseFromString(self.all_fields_data) + self.assertEqual(self.empty_message, message) + + self.all_fields.ClearField('optional_string') + message.ParseFromString(self.all_fields.SerializeToString()) + self.assertNotEqual(self.empty_message, message) + + def testDiscardUnknownFields(self): + self.empty_message.DiscardUnknownFields() + self.assertEqual(b'', self.empty_message.SerializeToString()) + # Test message field and repeated message field. + message = unittest_pb2.TestAllTypes() + other_message = unittest_pb2.TestAllTypes() + other_message.optional_string = 'discard' + message.optional_nested_message.ParseFromString( + other_message.SerializeToString()) + message.repeated_nested_message.add().ParseFromString( + other_message.SerializeToString()) + self.assertNotEqual( + b'', message.optional_nested_message.SerializeToString()) + self.assertNotEqual( + b'', message.repeated_nested_message[0].SerializeToString()) + message.DiscardUnknownFields() + self.assertEqual(b'', message.optional_nested_message.SerializeToString()) + self.assertEqual( + b'', message.repeated_nested_message[0].SerializeToString()) + + msg = map_unittest_pb2.TestMap() + msg.map_int32_all_types[1].optional_nested_message.ParseFromString( + other_message.SerializeToString()) + msg.map_string_string['1'] = 'test' + self.assertNotEqual( + b'', + msg.map_int32_all_types[1].optional_nested_message.SerializeToString()) + msg.DiscardUnknownFields() + self.assertEqual( + b'', + msg.map_int32_all_types[1].optional_nested_message.SerializeToString()) + + +@testing_refleaks.TestCase +class UnknownFieldsAccessorsTest(unittest.TestCase): + + def setUp(self): + self.descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR + self.all_fields = unittest_pb2.TestAllTypes() + test_util.SetAllFields(self.all_fields) + self.all_fields_data = self.all_fields.SerializeToString() + self.empty_message = unittest_pb2.TestEmptyMessage() + self.empty_message.ParseFromString(self.all_fields_data) + + # InternalCheckUnknownField() is an additional Pure Python check which checks + # a detail of unknown fields. It cannot be used by the C++ + # implementation because some protect members are called. + # The test is added for historical reasons. It is not necessary as + # serialized string is checked. + # TODO(jieluo): Remove message._unknown_fields. + def InternalCheckUnknownField(self, name, expected_value): + if api_implementation.Type() != 'python': + return + field_descriptor = self.descriptor.fields_by_name[name] + wire_type = type_checkers.FIELD_TYPE_TO_WIRE_TYPE[field_descriptor.type] + field_tag = encoder.TagBytes(field_descriptor.number, wire_type) + result_dict = {} + for tag_bytes, value in self.empty_message._unknown_fields: + if tag_bytes == field_tag: + decoder = unittest_pb2.TestAllTypes._decoders_by_tag[tag_bytes][0] + decoder(memoryview(value), 0, len(value), self.all_fields, result_dict) + self.assertEqual(expected_value, result_dict[field_descriptor]) + + def CheckUnknownField(self, name, unknown_field_set, expected_value): + field_descriptor = self.descriptor.fields_by_name[name] + expected_type = type_checkers.FIELD_TYPE_TO_WIRE_TYPE[ + field_descriptor.type] + for unknown_field in unknown_field_set: + if unknown_field.field_number == field_descriptor.number: + self.assertEqual(expected_type, unknown_field.wire_type) + if expected_type == 3: + # Check group + self.assertEqual(expected_value[0], + unknown_field.data[0].field_number) + self.assertEqual(expected_value[1], unknown_field.data[0].wire_type) + self.assertEqual(expected_value[2], unknown_field.data[0].data) + continue + if expected_type == wire_format.WIRETYPE_LENGTH_DELIMITED: + self.assertIn(type(unknown_field.data), (str, bytes)) + if field_descriptor.label == descriptor.FieldDescriptor.LABEL_REPEATED: + self.assertIn(unknown_field.data, expected_value) + else: + self.assertEqual(expected_value, unknown_field.data) + + def testCheckUnknownFieldValue(self): + unknown_field_set = unknown_fields.UnknownFieldSet(self.empty_message) + # Test enum. + self.CheckUnknownField('optional_nested_enum', + unknown_field_set, + self.all_fields.optional_nested_enum) + self.InternalCheckUnknownField('optional_nested_enum', + self.all_fields.optional_nested_enum) + + # Test repeated enum. + self.CheckUnknownField('repeated_nested_enum', + unknown_field_set, + self.all_fields.repeated_nested_enum) + self.InternalCheckUnknownField('repeated_nested_enum', + self.all_fields.repeated_nested_enum) + + # Test varint. + self.CheckUnknownField('optional_int32', + unknown_field_set, + self.all_fields.optional_int32) + self.InternalCheckUnknownField('optional_int32', + self.all_fields.optional_int32) + + # Test fixed32. + self.CheckUnknownField('optional_fixed32', + unknown_field_set, + self.all_fields.optional_fixed32) + self.InternalCheckUnknownField('optional_fixed32', + self.all_fields.optional_fixed32) + + # Test fixed64. + self.CheckUnknownField('optional_fixed64', + unknown_field_set, + self.all_fields.optional_fixed64) + self.InternalCheckUnknownField('optional_fixed64', + self.all_fields.optional_fixed64) + + # Test length delimited. + self.CheckUnknownField('optional_string', + unknown_field_set, + self.all_fields.optional_string.encode('utf-8')) + self.InternalCheckUnknownField('optional_string', + self.all_fields.optional_string) + + # Test group. + self.CheckUnknownField('optionalgroup', + unknown_field_set, + (17, 0, 117)) + self.InternalCheckUnknownField('optionalgroup', + self.all_fields.optionalgroup) + + self.assertEqual(98, len(unknown_field_set)) + + def testCopyFrom(self): + message = unittest_pb2.TestEmptyMessage() + message.CopyFrom(self.empty_message) + self.assertEqual(message.SerializeToString(), self.all_fields_data) + + def testMergeFrom(self): + message = unittest_pb2.TestAllTypes() + message.optional_int32 = 1 + message.optional_uint32 = 2 + source = unittest_pb2.TestEmptyMessage() + source.ParseFromString(message.SerializeToString()) + + message.ClearField('optional_int32') + message.optional_int64 = 3 + message.optional_uint32 = 4 + destination = unittest_pb2.TestEmptyMessage() + unknown_field_set = unknown_fields.UnknownFieldSet(destination) + self.assertEqual(0, len(unknown_field_set)) + destination.ParseFromString(message.SerializeToString()) + self.assertEqual(0, len(unknown_field_set)) + unknown_field_set = unknown_fields.UnknownFieldSet(destination) + self.assertEqual(2, len(unknown_field_set)) + destination.MergeFrom(source) + self.assertEqual(2, len(unknown_field_set)) + # Check that the fields where correctly merged, even stored in the unknown + # fields set. + message.ParseFromString(destination.SerializeToString()) + self.assertEqual(message.optional_int32, 1) + self.assertEqual(message.optional_uint32, 2) + self.assertEqual(message.optional_int64, 3) + + def testClear(self): + unknown_field_set = unknown_fields.UnknownFieldSet(self.empty_message) + self.empty_message.Clear() + # All cleared, even unknown fields. + self.assertEqual(self.empty_message.SerializeToString(), b'') + self.assertEqual(len(unknown_field_set), 98) + + @unittest.skipIf((sys.version_info.major, sys.version_info.minor) < (3, 4), + 'tracemalloc requires python 3.4+') + def testUnknownFieldsNoMemoryLeak(self): + # Call to UnknownFields must not leak memory + nb_leaks = 1234 + + def leaking_function(): + for _ in range(nb_leaks): + unknown_fields.UnknownFieldSet(self.empty_message) + + tracemalloc.start() + snapshot1 = tracemalloc.take_snapshot() + leaking_function() + snapshot2 = tracemalloc.take_snapshot() + top_stats = snapshot2.compare_to(snapshot1, 'lineno') + tracemalloc.stop() + # There's no easy way to look for a precise leak source. + # Rely on a "marker" count value while checking allocated memory. + self.assertEqual([], [x for x in top_stats if x.count_diff == nb_leaks]) + + def testSubUnknownFields(self): + message = unittest_pb2.TestAllTypes() + message.optionalgroup.a = 123 + destination = unittest_pb2.TestEmptyMessage() + destination.ParseFromString(message.SerializeToString()) + sub_unknown_fields = unknown_fields.UnknownFieldSet(destination)[0].data + self.assertEqual(1, len(sub_unknown_fields)) + self.assertEqual(sub_unknown_fields[0].data, 123) + destination.Clear() + self.assertEqual(1, len(sub_unknown_fields)) + self.assertEqual(sub_unknown_fields[0].data, 123) + message.Clear() + message.optional_uint32 = 456 + nested_message = unittest_pb2.NestedTestAllTypes() + nested_message.payload.optional_nested_message.ParseFromString( + message.SerializeToString()) + unknown_field_set = unknown_fields.UnknownFieldSet( + nested_message.payload.optional_nested_message) + self.assertEqual(unknown_field_set[0].data, 456) + nested_message.ClearField('payload') + self.assertEqual(unknown_field_set[0].data, 456) + unknown_field_set = unknown_fields.UnknownFieldSet( + nested_message.payload.optional_nested_message) + self.assertEqual(0, len(unknown_field_set)) + + def testUnknownField(self): + message = unittest_pb2.TestAllTypes() + message.optional_int32 = 123 + destination = unittest_pb2.TestEmptyMessage() + destination.ParseFromString(message.SerializeToString()) + unknown_field = unknown_fields.UnknownFieldSet(destination)[0] + destination.Clear() + self.assertEqual(unknown_field.data, 123) + + def testUnknownExtensions(self): + message = unittest_pb2.TestEmptyMessageWithExtensions() + message.ParseFromString(self.all_fields_data) + self.assertEqual(len(unknown_fields.UnknownFieldSet(message)), 98) + self.assertEqual(message.SerializeToString(), self.all_fields_data) + + +@testing_refleaks.TestCase +class UnknownEnumValuesTest(unittest.TestCase): + + def setUp(self): + self.descriptor = missing_enum_values_pb2.TestEnumValues.DESCRIPTOR + + self.message = missing_enum_values_pb2.TestEnumValues() + # TestEnumValues.ZERO = 0, but does not exist in the other NestedEnum. + self.message.optional_nested_enum = ( + missing_enum_values_pb2.TestEnumValues.ZERO) + self.message.repeated_nested_enum.extend([ + missing_enum_values_pb2.TestEnumValues.ZERO, + missing_enum_values_pb2.TestEnumValues.ONE, + ]) + self.message.packed_nested_enum.extend([ + missing_enum_values_pb2.TestEnumValues.ZERO, + missing_enum_values_pb2.TestEnumValues.ONE, + ]) + self.message_data = self.message.SerializeToString() + self.missing_message = missing_enum_values_pb2.TestMissingEnumValues() + self.missing_message.ParseFromString(self.message_data) + + # CheckUnknownField() is an additional Pure Python check which checks + # a detail of unknown fields. It cannot be used by the C++ + # implementation because some protect members are called. + # The test is added for historical reasons. It is not necessary as + # serialized string is checked. + + def CheckUnknownField(self, name, expected_value): + field_descriptor = self.descriptor.fields_by_name[name] + unknown_field_set = unknown_fields.UnknownFieldSet(self.missing_message) + self.assertIsInstance(unknown_field_set, unknown_fields.UnknownFieldSet) + count = 0 + for field in unknown_field_set: + if field.field_number == field_descriptor.number: + count += 1 + if field_descriptor.label == descriptor.FieldDescriptor.LABEL_REPEATED: + self.assertIn(field.data, expected_value) + else: + self.assertEqual(expected_value, field.data) + if field_descriptor.label == descriptor.FieldDescriptor.LABEL_REPEATED: + self.assertEqual(count, len(expected_value)) + else: + self.assertEqual(count, 1) + + def testUnknownParseMismatchEnumValue(self): + just_string = missing_enum_values_pb2.JustString() + just_string.dummy = 'blah' + + missing = missing_enum_values_pb2.TestEnumValues() + # The parse is invalid, storing the string proto into the set of + # unknown fields. + missing.ParseFromString(just_string.SerializeToString()) + + # Fetching the enum field shouldn't crash, instead returning the + # default value. + self.assertEqual(missing.optional_nested_enum, 0) + + def testUnknownEnumValue(self): + self.assertFalse(self.missing_message.HasField('optional_nested_enum')) + self.assertEqual(self.missing_message.optional_nested_enum, 2) + # Clear does not do anything. + serialized = self.missing_message.SerializeToString() + self.missing_message.ClearField('optional_nested_enum') + self.assertEqual(self.missing_message.SerializeToString(), serialized) + + def testUnknownRepeatedEnumValue(self): + self.assertEqual([], self.missing_message.repeated_nested_enum) + + def testUnknownPackedEnumValue(self): + self.assertEqual([], self.missing_message.packed_nested_enum) + + def testCheckUnknownFieldValueForEnum(self): + unknown_field_set = unknown_fields.UnknownFieldSet(self.missing_message) + self.assertEqual(len(unknown_field_set), 5) + self.CheckUnknownField('optional_nested_enum', + self.message.optional_nested_enum) + self.CheckUnknownField('repeated_nested_enum', + self.message.repeated_nested_enum) + self.CheckUnknownField('packed_nested_enum', + self.message.packed_nested_enum) + + def testRoundTrip(self): + new_message = missing_enum_values_pb2.TestEnumValues() + new_message.ParseFromString(self.missing_message.SerializeToString()) + self.assertEqual(self.message, new_message) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/well_known_types.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/well_known_types.py new file mode 100644 index 0000000..8881d75 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/well_known_types.py @@ -0,0 +1,880 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Contains well known classes. + +This files defines well known classes which need extra maintenance including: + - Any + - Duration + - FieldMask + - Struct + - Timestamp +""" + +__author__ = 'jieluo@google.com (Jie Luo)' + +import calendar +import collections.abc +import datetime + +from google.protobuf.descriptor import FieldDescriptor + +_TIMESTAMPFOMAT = '%Y-%m-%dT%H:%M:%S' +_NANOS_PER_SECOND = 1000000000 +_NANOS_PER_MILLISECOND = 1000000 +_NANOS_PER_MICROSECOND = 1000 +_MILLIS_PER_SECOND = 1000 +_MICROS_PER_SECOND = 1000000 +_SECONDS_PER_DAY = 24 * 3600 +_DURATION_SECONDS_MAX = 315576000000 + + +class Any(object): + """Class for Any Message type.""" + + __slots__ = () + + def Pack(self, msg, type_url_prefix='type.googleapis.com/', + deterministic=None): + """Packs the specified message into current Any message.""" + if len(type_url_prefix) < 1 or type_url_prefix[-1] != '/': + self.type_url = '%s/%s' % (type_url_prefix, msg.DESCRIPTOR.full_name) + else: + self.type_url = '%s%s' % (type_url_prefix, msg.DESCRIPTOR.full_name) + self.value = msg.SerializeToString(deterministic=deterministic) + + def Unpack(self, msg): + """Unpacks the current Any message into specified message.""" + descriptor = msg.DESCRIPTOR + if not self.Is(descriptor): + return False + msg.ParseFromString(self.value) + return True + + def TypeName(self): + """Returns the protobuf type name of the inner message.""" + # Only last part is to be used: b/25630112 + return self.type_url.split('/')[-1] + + def Is(self, descriptor): + """Checks if this Any represents the given protobuf type.""" + return '/' in self.type_url and self.TypeName() == descriptor.full_name + + +_EPOCH_DATETIME_NAIVE = datetime.datetime.utcfromtimestamp(0) +_EPOCH_DATETIME_AWARE = datetime.datetime.fromtimestamp( + 0, tz=datetime.timezone.utc) + + +class Timestamp(object): + """Class for Timestamp message type.""" + + __slots__ = () + + def ToJsonString(self): + """Converts Timestamp to RFC 3339 date string format. + + Returns: + A string converted from timestamp. The string is always Z-normalized + and uses 3, 6 or 9 fractional digits as required to represent the + exact time. Example of the return format: '1972-01-01T10:00:20.021Z' + """ + nanos = self.nanos % _NANOS_PER_SECOND + total_sec = self.seconds + (self.nanos - nanos) // _NANOS_PER_SECOND + seconds = total_sec % _SECONDS_PER_DAY + days = (total_sec - seconds) // _SECONDS_PER_DAY + dt = datetime.datetime(1970, 1, 1) + datetime.timedelta(days, seconds) + + result = dt.isoformat() + if (nanos % 1e9) == 0: + # If there are 0 fractional digits, the fractional + # point '.' should be omitted when serializing. + return result + 'Z' + if (nanos % 1e6) == 0: + # Serialize 3 fractional digits. + return result + '.%03dZ' % (nanos / 1e6) + if (nanos % 1e3) == 0: + # Serialize 6 fractional digits. + return result + '.%06dZ' % (nanos / 1e3) + # Serialize 9 fractional digits. + return result + '.%09dZ' % nanos + + def FromJsonString(self, value): + """Parse a RFC 3339 date string format to Timestamp. + + Args: + value: A date string. Any fractional digits (or none) and any offset are + accepted as long as they fit into nano-seconds precision. + Example of accepted format: '1972-01-01T10:00:20.021-05:00' + + Raises: + ValueError: On parsing problems. + """ + if not isinstance(value, str): + raise ValueError('Timestamp JSON value not a string: {!r}'.format(value)) + timezone_offset = value.find('Z') + if timezone_offset == -1: + timezone_offset = value.find('+') + if timezone_offset == -1: + timezone_offset = value.rfind('-') + if timezone_offset == -1: + raise ValueError( + 'Failed to parse timestamp: missing valid timezone offset.') + time_value = value[0:timezone_offset] + # Parse datetime and nanos. + point_position = time_value.find('.') + if point_position == -1: + second_value = time_value + nano_value = '' + else: + second_value = time_value[:point_position] + nano_value = time_value[point_position + 1:] + if 't' in second_value: + raise ValueError( + 'time data \'{0}\' does not match format \'%Y-%m-%dT%H:%M:%S\', ' + 'lowercase \'t\' is not accepted'.format(second_value)) + date_object = datetime.datetime.strptime(second_value, _TIMESTAMPFOMAT) + td = date_object - datetime.datetime(1970, 1, 1) + seconds = td.seconds + td.days * _SECONDS_PER_DAY + if len(nano_value) > 9: + raise ValueError( + 'Failed to parse Timestamp: nanos {0} more than ' + '9 fractional digits.'.format(nano_value)) + if nano_value: + nanos = round(float('0.' + nano_value) * 1e9) + else: + nanos = 0 + # Parse timezone offsets. + if value[timezone_offset] == 'Z': + if len(value) != timezone_offset + 1: + raise ValueError('Failed to parse timestamp: invalid trailing' + ' data {0}.'.format(value)) + else: + timezone = value[timezone_offset:] + pos = timezone.find(':') + if pos == -1: + raise ValueError( + 'Invalid timezone offset value: {0}.'.format(timezone)) + if timezone[0] == '+': + seconds -= (int(timezone[1:pos])*60+int(timezone[pos+1:]))*60 + else: + seconds += (int(timezone[1:pos])*60+int(timezone[pos+1:]))*60 + # Set seconds and nanos + self.seconds = int(seconds) + self.nanos = int(nanos) + + def GetCurrentTime(self): + """Get the current UTC into Timestamp.""" + self.FromDatetime(datetime.datetime.utcnow()) + + def ToNanoseconds(self): + """Converts Timestamp to nanoseconds since epoch.""" + return self.seconds * _NANOS_PER_SECOND + self.nanos + + def ToMicroseconds(self): + """Converts Timestamp to microseconds since epoch.""" + return (self.seconds * _MICROS_PER_SECOND + + self.nanos // _NANOS_PER_MICROSECOND) + + def ToMilliseconds(self): + """Converts Timestamp to milliseconds since epoch.""" + return (self.seconds * _MILLIS_PER_SECOND + + self.nanos // _NANOS_PER_MILLISECOND) + + def ToSeconds(self): + """Converts Timestamp to seconds since epoch.""" + return self.seconds + + def FromNanoseconds(self, nanos): + """Converts nanoseconds since epoch to Timestamp.""" + self.seconds = nanos // _NANOS_PER_SECOND + self.nanos = nanos % _NANOS_PER_SECOND + + def FromMicroseconds(self, micros): + """Converts microseconds since epoch to Timestamp.""" + self.seconds = micros // _MICROS_PER_SECOND + self.nanos = (micros % _MICROS_PER_SECOND) * _NANOS_PER_MICROSECOND + + def FromMilliseconds(self, millis): + """Converts milliseconds since epoch to Timestamp.""" + self.seconds = millis // _MILLIS_PER_SECOND + self.nanos = (millis % _MILLIS_PER_SECOND) * _NANOS_PER_MILLISECOND + + def FromSeconds(self, seconds): + """Converts seconds since epoch to Timestamp.""" + self.seconds = seconds + self.nanos = 0 + + def ToDatetime(self, tzinfo=None): + """Converts Timestamp to a datetime. + + Args: + tzinfo: A datetime.tzinfo subclass; defaults to None. + + Returns: + If tzinfo is None, returns a timezone-naive UTC datetime (with no timezone + information, i.e. not aware that it's UTC). + + Otherwise, returns a timezone-aware datetime in the input timezone. + """ + delta = datetime.timedelta( + seconds=self.seconds, + microseconds=_RoundTowardZero(self.nanos, _NANOS_PER_MICROSECOND)) + if tzinfo is None: + return _EPOCH_DATETIME_NAIVE + delta + else: + return _EPOCH_DATETIME_AWARE.astimezone(tzinfo) + delta + + def FromDatetime(self, dt): + """Converts datetime to Timestamp. + + Args: + dt: A datetime. If it's timezone-naive, it's assumed to be in UTC. + """ + # Using this guide: http://wiki.python.org/moin/WorkingWithTime + # And this conversion guide: http://docs.python.org/library/time.html + + # Turn the date parameter into a tuple (struct_time) that can then be + # manipulated into a long value of seconds. During the conversion from + # struct_time to long, the source date in UTC, and so it follows that the + # correct transformation is calendar.timegm() + self.seconds = calendar.timegm(dt.utctimetuple()) + self.nanos = dt.microsecond * _NANOS_PER_MICROSECOND + + +class Duration(object): + """Class for Duration message type.""" + + __slots__ = () + + def ToJsonString(self): + """Converts Duration to string format. + + Returns: + A string converted from self. The string format will contains + 3, 6, or 9 fractional digits depending on the precision required to + represent the exact Duration value. For example: "1s", "1.010s", + "1.000000100s", "-3.100s" + """ + _CheckDurationValid(self.seconds, self.nanos) + if self.seconds < 0 or self.nanos < 0: + result = '-' + seconds = - self.seconds + int((0 - self.nanos) // 1e9) + nanos = (0 - self.nanos) % 1e9 + else: + result = '' + seconds = self.seconds + int(self.nanos // 1e9) + nanos = self.nanos % 1e9 + result += '%d' % seconds + if (nanos % 1e9) == 0: + # If there are 0 fractional digits, the fractional + # point '.' should be omitted when serializing. + return result + 's' + if (nanos % 1e6) == 0: + # Serialize 3 fractional digits. + return result + '.%03ds' % (nanos / 1e6) + if (nanos % 1e3) == 0: + # Serialize 6 fractional digits. + return result + '.%06ds' % (nanos / 1e3) + # Serialize 9 fractional digits. + return result + '.%09ds' % nanos + + def FromJsonString(self, value): + """Converts a string to Duration. + + Args: + value: A string to be converted. The string must end with 's'. Any + fractional digits (or none) are accepted as long as they fit into + precision. For example: "1s", "1.01s", "1.0000001s", "-3.100s + + Raises: + ValueError: On parsing problems. + """ + if not isinstance(value, str): + raise ValueError('Duration JSON value not a string: {!r}'.format(value)) + if len(value) < 1 or value[-1] != 's': + raise ValueError( + 'Duration must end with letter "s": {0}.'.format(value)) + try: + pos = value.find('.') + if pos == -1: + seconds = int(value[:-1]) + nanos = 0 + else: + seconds = int(value[:pos]) + if value[0] == '-': + nanos = int(round(float('-0{0}'.format(value[pos: -1])) *1e9)) + else: + nanos = int(round(float('0{0}'.format(value[pos: -1])) *1e9)) + _CheckDurationValid(seconds, nanos) + self.seconds = seconds + self.nanos = nanos + except ValueError as e: + raise ValueError( + 'Couldn\'t parse duration: {0} : {1}.'.format(value, e)) + + def ToNanoseconds(self): + """Converts a Duration to nanoseconds.""" + return self.seconds * _NANOS_PER_SECOND + self.nanos + + def ToMicroseconds(self): + """Converts a Duration to microseconds.""" + micros = _RoundTowardZero(self.nanos, _NANOS_PER_MICROSECOND) + return self.seconds * _MICROS_PER_SECOND + micros + + def ToMilliseconds(self): + """Converts a Duration to milliseconds.""" + millis = _RoundTowardZero(self.nanos, _NANOS_PER_MILLISECOND) + return self.seconds * _MILLIS_PER_SECOND + millis + + def ToSeconds(self): + """Converts a Duration to seconds.""" + return self.seconds + + def FromNanoseconds(self, nanos): + """Converts nanoseconds to Duration.""" + self._NormalizeDuration(nanos // _NANOS_PER_SECOND, + nanos % _NANOS_PER_SECOND) + + def FromMicroseconds(self, micros): + """Converts microseconds to Duration.""" + self._NormalizeDuration( + micros // _MICROS_PER_SECOND, + (micros % _MICROS_PER_SECOND) * _NANOS_PER_MICROSECOND) + + def FromMilliseconds(self, millis): + """Converts milliseconds to Duration.""" + self._NormalizeDuration( + millis // _MILLIS_PER_SECOND, + (millis % _MILLIS_PER_SECOND) * _NANOS_PER_MILLISECOND) + + def FromSeconds(self, seconds): + """Converts seconds to Duration.""" + self.seconds = seconds + self.nanos = 0 + + def ToTimedelta(self): + """Converts Duration to timedelta.""" + return datetime.timedelta( + seconds=self.seconds, microseconds=_RoundTowardZero( + self.nanos, _NANOS_PER_MICROSECOND)) + + def FromTimedelta(self, td): + """Converts timedelta to Duration.""" + self._NormalizeDuration(td.seconds + td.days * _SECONDS_PER_DAY, + td.microseconds * _NANOS_PER_MICROSECOND) + + def _NormalizeDuration(self, seconds, nanos): + """Set Duration by seconds and nanos.""" + # Force nanos to be negative if the duration is negative. + if seconds < 0 and nanos > 0: + seconds += 1 + nanos -= _NANOS_PER_SECOND + self.seconds = seconds + self.nanos = nanos + + +def _CheckDurationValid(seconds, nanos): + if seconds < -_DURATION_SECONDS_MAX or seconds > _DURATION_SECONDS_MAX: + raise ValueError( + 'Duration is not valid: Seconds {0} must be in range ' + '[-315576000000, 315576000000].'.format(seconds)) + if nanos <= -_NANOS_PER_SECOND or nanos >= _NANOS_PER_SECOND: + raise ValueError( + 'Duration is not valid: Nanos {0} must be in range ' + '[-999999999, 999999999].'.format(nanos)) + if (nanos < 0 and seconds > 0) or (nanos > 0 and seconds < 0): + raise ValueError( + 'Duration is not valid: Sign mismatch.') + + +def _RoundTowardZero(value, divider): + """Truncates the remainder part after division.""" + # For some languages, the sign of the remainder is implementation + # dependent if any of the operands is negative. Here we enforce + # "rounded toward zero" semantics. For example, for (-5) / 2 an + # implementation may give -3 as the result with the remainder being + # 1. This function ensures we always return -2 (closer to zero). + result = value // divider + remainder = value % divider + if result < 0 and remainder > 0: + return result + 1 + else: + return result + + +class FieldMask(object): + """Class for FieldMask message type.""" + + __slots__ = () + + def ToJsonString(self): + """Converts FieldMask to string according to proto3 JSON spec.""" + camelcase_paths = [] + for path in self.paths: + camelcase_paths.append(_SnakeCaseToCamelCase(path)) + return ','.join(camelcase_paths) + + def FromJsonString(self, value): + """Converts string to FieldMask according to proto3 JSON spec.""" + if not isinstance(value, str): + raise ValueError('FieldMask JSON value not a string: {!r}'.format(value)) + self.Clear() + if value: + for path in value.split(','): + self.paths.append(_CamelCaseToSnakeCase(path)) + + def IsValidForDescriptor(self, message_descriptor): + """Checks whether the FieldMask is valid for Message Descriptor.""" + for path in self.paths: + if not _IsValidPath(message_descriptor, path): + return False + return True + + def AllFieldsFromDescriptor(self, message_descriptor): + """Gets all direct fields of Message Descriptor to FieldMask.""" + self.Clear() + for field in message_descriptor.fields: + self.paths.append(field.name) + + def CanonicalFormFromMask(self, mask): + """Converts a FieldMask to the canonical form. + + Removes paths that are covered by another path. For example, + "foo.bar" is covered by "foo" and will be removed if "foo" + is also in the FieldMask. Then sorts all paths in alphabetical order. + + Args: + mask: The original FieldMask to be converted. + """ + tree = _FieldMaskTree(mask) + tree.ToFieldMask(self) + + def Union(self, mask1, mask2): + """Merges mask1 and mask2 into this FieldMask.""" + _CheckFieldMaskMessage(mask1) + _CheckFieldMaskMessage(mask2) + tree = _FieldMaskTree(mask1) + tree.MergeFromFieldMask(mask2) + tree.ToFieldMask(self) + + def Intersect(self, mask1, mask2): + """Intersects mask1 and mask2 into this FieldMask.""" + _CheckFieldMaskMessage(mask1) + _CheckFieldMaskMessage(mask2) + tree = _FieldMaskTree(mask1) + intersection = _FieldMaskTree() + for path in mask2.paths: + tree.IntersectPath(path, intersection) + intersection.ToFieldMask(self) + + def MergeMessage( + self, source, destination, + replace_message_field=False, replace_repeated_field=False): + """Merges fields specified in FieldMask from source to destination. + + Args: + source: Source message. + destination: The destination message to be merged into. + replace_message_field: Replace message field if True. Merge message + field if False. + replace_repeated_field: Replace repeated field if True. Append + elements of repeated field if False. + """ + tree = _FieldMaskTree(self) + tree.MergeMessage( + source, destination, replace_message_field, replace_repeated_field) + + +def _IsValidPath(message_descriptor, path): + """Checks whether the path is valid for Message Descriptor.""" + parts = path.split('.') + last = parts.pop() + for name in parts: + field = message_descriptor.fields_by_name.get(name) + if (field is None or + field.label == FieldDescriptor.LABEL_REPEATED or + field.type != FieldDescriptor.TYPE_MESSAGE): + return False + message_descriptor = field.message_type + return last in message_descriptor.fields_by_name + + +def _CheckFieldMaskMessage(message): + """Raises ValueError if message is not a FieldMask.""" + message_descriptor = message.DESCRIPTOR + if (message_descriptor.name != 'FieldMask' or + message_descriptor.file.name != 'google/protobuf/field_mask.proto'): + raise ValueError('Message {0} is not a FieldMask.'.format( + message_descriptor.full_name)) + + +def _SnakeCaseToCamelCase(path_name): + """Converts a path name from snake_case to camelCase.""" + result = [] + after_underscore = False + for c in path_name: + if c.isupper(): + raise ValueError( + 'Fail to print FieldMask to Json string: Path name ' + '{0} must not contain uppercase letters.'.format(path_name)) + if after_underscore: + if c.islower(): + result.append(c.upper()) + after_underscore = False + else: + raise ValueError( + 'Fail to print FieldMask to Json string: The ' + 'character after a "_" must be a lowercase letter ' + 'in path name {0}.'.format(path_name)) + elif c == '_': + after_underscore = True + else: + result += c + + if after_underscore: + raise ValueError('Fail to print FieldMask to Json string: Trailing "_" ' + 'in path name {0}.'.format(path_name)) + return ''.join(result) + + +def _CamelCaseToSnakeCase(path_name): + """Converts a field name from camelCase to snake_case.""" + result = [] + for c in path_name: + if c == '_': + raise ValueError('Fail to parse FieldMask: Path name ' + '{0} must not contain "_"s.'.format(path_name)) + if c.isupper(): + result += '_' + result += c.lower() + else: + result += c + return ''.join(result) + + +class _FieldMaskTree(object): + """Represents a FieldMask in a tree structure. + + For example, given a FieldMask "foo.bar,foo.baz,bar.baz", + the FieldMaskTree will be: + [_root] -+- foo -+- bar + | | + | +- baz + | + +- bar --- baz + In the tree, each leaf node represents a field path. + """ + + __slots__ = ('_root',) + + def __init__(self, field_mask=None): + """Initializes the tree by FieldMask.""" + self._root = {} + if field_mask: + self.MergeFromFieldMask(field_mask) + + def MergeFromFieldMask(self, field_mask): + """Merges a FieldMask to the tree.""" + for path in field_mask.paths: + self.AddPath(path) + + def AddPath(self, path): + """Adds a field path into the tree. + + If the field path to add is a sub-path of an existing field path + in the tree (i.e., a leaf node), it means the tree already matches + the given path so nothing will be added to the tree. If the path + matches an existing non-leaf node in the tree, that non-leaf node + will be turned into a leaf node with all its children removed because + the path matches all the node's children. Otherwise, a new path will + be added. + + Args: + path: The field path to add. + """ + node = self._root + for name in path.split('.'): + if name not in node: + node[name] = {} + elif not node[name]: + # Pre-existing empty node implies we already have this entire tree. + return + node = node[name] + # Remove any sub-trees we might have had. + node.clear() + + def ToFieldMask(self, field_mask): + """Converts the tree to a FieldMask.""" + field_mask.Clear() + _AddFieldPaths(self._root, '', field_mask) + + def IntersectPath(self, path, intersection): + """Calculates the intersection part of a field path with this tree. + + Args: + path: The field path to calculates. + intersection: The out tree to record the intersection part. + """ + node = self._root + for name in path.split('.'): + if name not in node: + return + elif not node[name]: + intersection.AddPath(path) + return + node = node[name] + intersection.AddLeafNodes(path, node) + + def AddLeafNodes(self, prefix, node): + """Adds leaf nodes begin with prefix to this tree.""" + if not node: + self.AddPath(prefix) + for name in node: + child_path = prefix + '.' + name + self.AddLeafNodes(child_path, node[name]) + + def MergeMessage( + self, source, destination, + replace_message, replace_repeated): + """Merge all fields specified by this tree from source to destination.""" + _MergeMessage( + self._root, source, destination, replace_message, replace_repeated) + + +def _StrConvert(value): + """Converts value to str if it is not.""" + # This file is imported by c extension and some methods like ClearField + # requires string for the field name. py2/py3 has different text + # type and may use unicode. + if not isinstance(value, str): + return value.encode('utf-8') + return value + + +def _MergeMessage( + node, source, destination, replace_message, replace_repeated): + """Merge all fields specified by a sub-tree from source to destination.""" + source_descriptor = source.DESCRIPTOR + for name in node: + child = node[name] + field = source_descriptor.fields_by_name[name] + if field is None: + raise ValueError('Error: Can\'t find field {0} in message {1}.'.format( + name, source_descriptor.full_name)) + if child: + # Sub-paths are only allowed for singular message fields. + if (field.label == FieldDescriptor.LABEL_REPEATED or + field.cpp_type != FieldDescriptor.CPPTYPE_MESSAGE): + raise ValueError('Error: Field {0} in message {1} is not a singular ' + 'message field and cannot have sub-fields.'.format( + name, source_descriptor.full_name)) + if source.HasField(name): + _MergeMessage( + child, getattr(source, name), getattr(destination, name), + replace_message, replace_repeated) + continue + if field.label == FieldDescriptor.LABEL_REPEATED: + if replace_repeated: + destination.ClearField(_StrConvert(name)) + repeated_source = getattr(source, name) + repeated_destination = getattr(destination, name) + repeated_destination.MergeFrom(repeated_source) + else: + if field.cpp_type == FieldDescriptor.CPPTYPE_MESSAGE: + if replace_message: + destination.ClearField(_StrConvert(name)) + if source.HasField(name): + getattr(destination, name).MergeFrom(getattr(source, name)) + else: + setattr(destination, name, getattr(source, name)) + + +def _AddFieldPaths(node, prefix, field_mask): + """Adds the field paths descended from node to field_mask.""" + if not node and prefix: + field_mask.paths.append(prefix) + return + for name in sorted(node): + if prefix: + child_path = prefix + '.' + name + else: + child_path = name + _AddFieldPaths(node[name], child_path, field_mask) + + +def _SetStructValue(struct_value, value): + if value is None: + struct_value.null_value = 0 + elif isinstance(value, bool): + # Note: this check must come before the number check because in Python + # True and False are also considered numbers. + struct_value.bool_value = value + elif isinstance(value, str): + struct_value.string_value = value + elif isinstance(value, (int, float)): + struct_value.number_value = value + elif isinstance(value, (dict, Struct)): + struct_value.struct_value.Clear() + struct_value.struct_value.update(value) + elif isinstance(value, (list, ListValue)): + struct_value.list_value.Clear() + struct_value.list_value.extend(value) + else: + raise ValueError('Unexpected type') + + +def _GetStructValue(struct_value): + which = struct_value.WhichOneof('kind') + if which == 'struct_value': + return struct_value.struct_value + elif which == 'null_value': + return None + elif which == 'number_value': + return struct_value.number_value + elif which == 'string_value': + return struct_value.string_value + elif which == 'bool_value': + return struct_value.bool_value + elif which == 'list_value': + return struct_value.list_value + elif which is None: + raise ValueError('Value not set') + + +class Struct(object): + """Class for Struct message type.""" + + __slots__ = () + + def __getitem__(self, key): + return _GetStructValue(self.fields[key]) + + def __contains__(self, item): + return item in self.fields + + def __setitem__(self, key, value): + _SetStructValue(self.fields[key], value) + + def __delitem__(self, key): + del self.fields[key] + + def __len__(self): + return len(self.fields) + + def __iter__(self): + return iter(self.fields) + + def keys(self): # pylint: disable=invalid-name + return self.fields.keys() + + def values(self): # pylint: disable=invalid-name + return [self[key] for key in self] + + def items(self): # pylint: disable=invalid-name + return [(key, self[key]) for key in self] + + def get_or_create_list(self, key): + """Returns a list for this key, creating if it didn't exist already.""" + if not self.fields[key].HasField('list_value'): + # Clear will mark list_value modified which will indeed create a list. + self.fields[key].list_value.Clear() + return self.fields[key].list_value + + def get_or_create_struct(self, key): + """Returns a struct for this key, creating if it didn't exist already.""" + if not self.fields[key].HasField('struct_value'): + # Clear will mark struct_value modified which will indeed create a struct. + self.fields[key].struct_value.Clear() + return self.fields[key].struct_value + + def update(self, dictionary): # pylint: disable=invalid-name + for key, value in dictionary.items(): + _SetStructValue(self.fields[key], value) + +collections.abc.MutableMapping.register(Struct) + + +class ListValue(object): + """Class for ListValue message type.""" + + __slots__ = () + + def __len__(self): + return len(self.values) + + def append(self, value): + _SetStructValue(self.values.add(), value) + + def extend(self, elem_seq): + for value in elem_seq: + self.append(value) + + def __getitem__(self, index): + """Retrieves item by the specified index.""" + return _GetStructValue(self.values.__getitem__(index)) + + def __setitem__(self, index, value): + _SetStructValue(self.values.__getitem__(index), value) + + def __delitem__(self, key): + del self.values[key] + + def items(self): + for i in range(len(self)): + yield self[i] + + def add_struct(self): + """Appends and returns a struct value as the next value in the list.""" + struct_value = self.values.add().struct_value + # Clear will mark struct_value modified which will indeed create a struct. + struct_value.Clear() + return struct_value + + def add_list(self): + """Appends and returns a list value as the next value in the list.""" + list_value = self.values.add().list_value + # Clear will mark list_value modified which will indeed create a list. + list_value.Clear() + return list_value + +collections.abc.MutableSequence.register(ListValue) + + +# LINT.IfChange(wktbases) +WKTBASES = { + 'google.protobuf.Any': Any, + 'google.protobuf.Duration': Duration, + 'google.protobuf.FieldMask': FieldMask, + 'google.protobuf.ListValue': ListValue, + 'google.protobuf.Struct': Struct, + 'google.protobuf.Timestamp': Timestamp, +} +# LINT.ThenChange(//depot/google.protobuf/compiler/python/pyi_generator.cc:wktbases) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/well_known_types_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/well_known_types_test.py new file mode 100644 index 0000000..a32459a --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/well_known_types_test.py @@ -0,0 +1,1013 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Test for google.protobuf.internal.well_known_types.""" + +__author__ = 'jieluo@google.com (Jie Luo)' + +import collections.abc as collections_abc +import datetime +import unittest + +from google.protobuf import any_pb2 +from google.protobuf import duration_pb2 +from google.protobuf import field_mask_pb2 +from google.protobuf import struct_pb2 +from google.protobuf import timestamp_pb2 +from google.protobuf import map_unittest_pb2 +from google.protobuf import unittest_pb2 +from google.protobuf.internal import any_test_pb2 +from google.protobuf.internal import test_util +from google.protobuf.internal import well_known_types +from google.protobuf import descriptor +from google.protobuf import text_format +from google.protobuf.internal import _parameterized + +try: + # New module in Python 3.9: + import zoneinfo # pylint:disable=g-import-not-at-top + _TZ_JAPAN = zoneinfo.ZoneInfo('Japan') + _TZ_PACIFIC = zoneinfo.ZoneInfo('US/Pacific') +except ImportError: + _TZ_JAPAN = datetime.timezone(datetime.timedelta(hours=9), 'Japan') + _TZ_PACIFIC = datetime.timezone(datetime.timedelta(hours=-8), 'US/Pacific') + + +class TimeUtilTestBase(_parameterized.TestCase): + + def CheckTimestampConversion(self, message, text): + self.assertEqual(text, message.ToJsonString()) + parsed_message = timestamp_pb2.Timestamp() + parsed_message.FromJsonString(text) + self.assertEqual(message, parsed_message) + + def CheckDurationConversion(self, message, text): + self.assertEqual(text, message.ToJsonString()) + parsed_message = duration_pb2.Duration() + parsed_message.FromJsonString(text) + self.assertEqual(message, parsed_message) + + +class TimeUtilTest(TimeUtilTestBase): + + def testTimestampSerializeAndParse(self): + message = timestamp_pb2.Timestamp() + # Generated output should contain 3, 6, or 9 fractional digits. + message.seconds = 0 + message.nanos = 0 + self.CheckTimestampConversion(message, '1970-01-01T00:00:00Z') + message.nanos = 10000000 + self.CheckTimestampConversion(message, '1970-01-01T00:00:00.010Z') + message.nanos = 10000 + self.CheckTimestampConversion(message, '1970-01-01T00:00:00.000010Z') + message.nanos = 10 + self.CheckTimestampConversion(message, '1970-01-01T00:00:00.000000010Z') + # Test min timestamps. + message.seconds = -62135596800 + message.nanos = 0 + self.CheckTimestampConversion(message, '0001-01-01T00:00:00Z') + # Test max timestamps. + message.seconds = 253402300799 + message.nanos = 999999999 + self.CheckTimestampConversion(message, '9999-12-31T23:59:59.999999999Z') + # Test negative timestamps. + message.seconds = -1 + self.CheckTimestampConversion(message, '1969-12-31T23:59:59.999999999Z') + + # Parsing accepts an fractional digits as long as they fit into nano + # precision. + message.FromJsonString('1970-01-01T00:00:00.1Z') + self.assertEqual(0, message.seconds) + self.assertEqual(100000000, message.nanos) + # Parsing accepts offsets. + message.FromJsonString('1970-01-01T00:00:00-08:00') + self.assertEqual(8 * 3600, message.seconds) + self.assertEqual(0, message.nanos) + + # It is not easy to check with current time. For test coverage only. + message.GetCurrentTime() + self.assertNotEqual(8 * 3600, message.seconds) + + def testDurationSerializeAndParse(self): + message = duration_pb2.Duration() + # Generated output should contain 3, 6, or 9 fractional digits. + message.seconds = 0 + message.nanos = 0 + self.CheckDurationConversion(message, '0s') + message.nanos = 10000000 + self.CheckDurationConversion(message, '0.010s') + message.nanos = 10000 + self.CheckDurationConversion(message, '0.000010s') + message.nanos = 10 + self.CheckDurationConversion(message, '0.000000010s') + + # Test min and max + message.seconds = 315576000000 + message.nanos = 999999999 + self.CheckDurationConversion(message, '315576000000.999999999s') + message.seconds = -315576000000 + message.nanos = -999999999 + self.CheckDurationConversion(message, '-315576000000.999999999s') + + # Parsing accepts an fractional digits as long as they fit into nano + # precision. + message.FromJsonString('0.1s') + self.assertEqual(100000000, message.nanos) + message.FromJsonString('0.0000001s') + self.assertEqual(100, message.nanos) + + def testTimestampIntegerConversion(self): + message = timestamp_pb2.Timestamp() + message.FromNanoseconds(1) + self.assertEqual('1970-01-01T00:00:00.000000001Z', + message.ToJsonString()) + self.assertEqual(1, message.ToNanoseconds()) + + message.FromNanoseconds(-1) + self.assertEqual('1969-12-31T23:59:59.999999999Z', + message.ToJsonString()) + self.assertEqual(-1, message.ToNanoseconds()) + + message.FromMicroseconds(1) + self.assertEqual('1970-01-01T00:00:00.000001Z', + message.ToJsonString()) + self.assertEqual(1, message.ToMicroseconds()) + + message.FromMicroseconds(-1) + self.assertEqual('1969-12-31T23:59:59.999999Z', + message.ToJsonString()) + self.assertEqual(-1, message.ToMicroseconds()) + + message.FromMilliseconds(1) + self.assertEqual('1970-01-01T00:00:00.001Z', + message.ToJsonString()) + self.assertEqual(1, message.ToMilliseconds()) + + message.FromMilliseconds(-1) + self.assertEqual('1969-12-31T23:59:59.999Z', + message.ToJsonString()) + self.assertEqual(-1, message.ToMilliseconds()) + + message.FromSeconds(1) + self.assertEqual('1970-01-01T00:00:01Z', + message.ToJsonString()) + self.assertEqual(1, message.ToSeconds()) + + message.FromSeconds(-1) + self.assertEqual('1969-12-31T23:59:59Z', + message.ToJsonString()) + self.assertEqual(-1, message.ToSeconds()) + + message.FromNanoseconds(1999) + self.assertEqual(1, message.ToMicroseconds()) + # For negative values, Timestamp will be rounded down. + # For example, "1969-12-31T23:59:59.5Z" (i.e., -0.5s) rounded to seconds + # will be "1969-12-31T23:59:59Z" (i.e., -1s) rather than + # "1970-01-01T00:00:00Z" (i.e., 0s). + message.FromNanoseconds(-1999) + self.assertEqual(-2, message.ToMicroseconds()) + + def testDurationIntegerConversion(self): + message = duration_pb2.Duration() + message.FromNanoseconds(1) + self.assertEqual('0.000000001s', + message.ToJsonString()) + self.assertEqual(1, message.ToNanoseconds()) + + message.FromNanoseconds(-1) + self.assertEqual('-0.000000001s', + message.ToJsonString()) + self.assertEqual(-1, message.ToNanoseconds()) + + message.FromMicroseconds(1) + self.assertEqual('0.000001s', + message.ToJsonString()) + self.assertEqual(1, message.ToMicroseconds()) + + message.FromMicroseconds(-1) + self.assertEqual('-0.000001s', + message.ToJsonString()) + self.assertEqual(-1, message.ToMicroseconds()) + + message.FromMilliseconds(1) + self.assertEqual('0.001s', + message.ToJsonString()) + self.assertEqual(1, message.ToMilliseconds()) + + message.FromMilliseconds(-1) + self.assertEqual('-0.001s', + message.ToJsonString()) + self.assertEqual(-1, message.ToMilliseconds()) + + message.FromSeconds(1) + self.assertEqual('1s', message.ToJsonString()) + self.assertEqual(1, message.ToSeconds()) + + message.FromSeconds(-1) + self.assertEqual('-1s', + message.ToJsonString()) + self.assertEqual(-1, message.ToSeconds()) + + # Test truncation behavior. + message.FromNanoseconds(1999) + self.assertEqual(1, message.ToMicroseconds()) + + # For negative values, Duration will be rounded towards 0. + message.FromNanoseconds(-1999) + self.assertEqual(-1, message.ToMicroseconds()) + + def testTimezoneNaiveDatetimeConversion(self): + message = timestamp_pb2.Timestamp() + naive_utc_epoch = datetime.datetime(1970, 1, 1) + message.FromDatetime(naive_utc_epoch) + self.assertEqual(0, message.seconds) + self.assertEqual(0, message.nanos) + + self.assertEqual(naive_utc_epoch, message.ToDatetime()) + + naive_epoch_morning = datetime.datetime(1970, 1, 1, 8, 0, 0, 1) + message.FromDatetime(naive_epoch_morning) + self.assertEqual(8 * 3600, message.seconds) + self.assertEqual(1000, message.nanos) + + self.assertEqual(naive_epoch_morning, message.ToDatetime()) + + message.FromMilliseconds(1999) + self.assertEqual(1, message.seconds) + self.assertEqual(999_000_000, message.nanos) + + self.assertEqual(datetime.datetime(1970, 1, 1, 0, 0, 1, 999000), + message.ToDatetime()) + + naive_future = datetime.datetime(2555, 2, 22, 1, 2, 3, 456789) + message.FromDatetime(naive_future) + self.assertEqual(naive_future, message.ToDatetime()) + + naive_end_of_time = datetime.datetime.max + message.FromDatetime(naive_end_of_time) + self.assertEqual(naive_end_of_time, message.ToDatetime()) + + # Two hours after the Unix Epoch, around the world. + @_parameterized.named_parameters( + ('London', [1970, 1, 1, 2], datetime.timezone.utc), + ('Tokyo', [1970, 1, 1, 11], _TZ_JAPAN), + ('LA', [1969, 12, 31, 18], _TZ_PACIFIC), + ) + def testTimezoneAwareDatetimeConversion(self, date_parts, tzinfo): + original_datetime = datetime.datetime(*date_parts, tzinfo=tzinfo) # pylint:disable=g-tzinfo-datetime + + message = timestamp_pb2.Timestamp() + message.FromDatetime(original_datetime) + self.assertEqual(7200, message.seconds) + self.assertEqual(0, message.nanos) + + # ToDatetime() with no parameters produces a naive UTC datetime, i.e. it not + # only loses the original timezone information (e.g. US/Pacific) as it's + # "normalised" to UTC, but also drops the information that the datetime + # represents a UTC one. + naive_datetime = message.ToDatetime() + self.assertEqual(datetime.datetime(1970, 1, 1, 2), naive_datetime) + self.assertIsNone(naive_datetime.tzinfo) + self.assertNotEqual(original_datetime, naive_datetime) # not even for UTC! + + # In contrast, ToDatetime(tzinfo=) produces an aware datetime in the given + # timezone. + aware_datetime = message.ToDatetime(tzinfo=tzinfo) + self.assertEqual(original_datetime, aware_datetime) + self.assertEqual( + datetime.datetime(1970, 1, 1, 2, tzinfo=datetime.timezone.utc), + aware_datetime) + self.assertEqual(tzinfo, aware_datetime.tzinfo) + + def testTimedeltaConversion(self): + message = duration_pb2.Duration() + message.FromNanoseconds(1999999999) + td = message.ToTimedelta() + self.assertEqual(1, td.seconds) + self.assertEqual(999999, td.microseconds) + + message.FromNanoseconds(-1999999999) + td = message.ToTimedelta() + self.assertEqual(-1, td.days) + self.assertEqual(86398, td.seconds) + self.assertEqual(1, td.microseconds) + + message.FromMicroseconds(-1) + td = message.ToTimedelta() + self.assertEqual(-1, td.days) + self.assertEqual(86399, td.seconds) + self.assertEqual(999999, td.microseconds) + converted_message = duration_pb2.Duration() + converted_message.FromTimedelta(td) + self.assertEqual(message, converted_message) + + def testInvalidTimestamp(self): + message = timestamp_pb2.Timestamp() + self.assertRaisesRegex( + ValueError, 'Failed to parse timestamp: missing valid timezone offset.', + message.FromJsonString, '') + self.assertRaisesRegex( + ValueError, 'Failed to parse timestamp: invalid trailing data ' + '1970-01-01T00:00:01Ztrail.', message.FromJsonString, + '1970-01-01T00:00:01Ztrail') + self.assertRaisesRegex( + ValueError, 'time data \'10000-01-01T00:00:00\' does not match' + ' format \'%Y-%m-%dT%H:%M:%S\'', message.FromJsonString, + '10000-01-01T00:00:00.00Z') + self.assertRaisesRegex( + ValueError, 'nanos 0123456789012 more than 9 fractional digits.', + message.FromJsonString, '1970-01-01T00:00:00.0123456789012Z') + self.assertRaisesRegex( + ValueError, + (r'Invalid timezone offset value: \+08.'), + message.FromJsonString, + '1972-01-01T01:00:00.01+08', + ) + self.assertRaisesRegex(ValueError, 'year (0 )?is out of range', + message.FromJsonString, '0000-01-01T00:00:00Z') + message.seconds = 253402300800 + self.assertRaisesRegex(OverflowError, 'date value out of range', + message.ToJsonString) + + def testInvalidDuration(self): + message = duration_pb2.Duration() + self.assertRaisesRegex(ValueError, 'Duration must end with letter "s": 1.', + message.FromJsonString, '1') + self.assertRaisesRegex(ValueError, 'Couldn\'t parse duration: 1...2s.', + message.FromJsonString, '1...2s') + text = '-315576000001.000000000s' + self.assertRaisesRegex( + ValueError, + r'Duration is not valid\: Seconds -315576000001 must be in range' + r' \[-315576000000\, 315576000000\].', message.FromJsonString, text) + text = '315576000001.000000000s' + self.assertRaisesRegex( + ValueError, + r'Duration is not valid\: Seconds 315576000001 must be in range' + r' \[-315576000000\, 315576000000\].', message.FromJsonString, text) + message.seconds = -315576000001 + message.nanos = 0 + self.assertRaisesRegex( + ValueError, + r'Duration is not valid\: Seconds -315576000001 must be in range' + r' \[-315576000000\, 315576000000\].', message.ToJsonString) + message.seconds = 0 + message.nanos = 999999999 + 1 + self.assertRaisesRegex( + ValueError, r'Duration is not valid\: Nanos 1000000000 must be in range' + r' \[-999999999\, 999999999\].', message.ToJsonString) + message.seconds = -1 + message.nanos = 1 + self.assertRaisesRegex(ValueError, + r'Duration is not valid\: Sign mismatch.', + message.ToJsonString) + + +class FieldMaskTest(unittest.TestCase): + + def testStringFormat(self): + mask = field_mask_pb2.FieldMask() + self.assertEqual('', mask.ToJsonString()) + mask.paths.append('foo') + self.assertEqual('foo', mask.ToJsonString()) + mask.paths.append('bar') + self.assertEqual('foo,bar', mask.ToJsonString()) + + mask.FromJsonString('') + self.assertEqual('', mask.ToJsonString()) + mask.FromJsonString('foo') + self.assertEqual(['foo'], mask.paths) + mask.FromJsonString('foo,bar') + self.assertEqual(['foo', 'bar'], mask.paths) + + # Test camel case + mask.Clear() + mask.paths.append('foo_bar') + self.assertEqual('fooBar', mask.ToJsonString()) + mask.paths.append('bar_quz') + self.assertEqual('fooBar,barQuz', mask.ToJsonString()) + + mask.FromJsonString('') + self.assertEqual('', mask.ToJsonString()) + self.assertEqual([], mask.paths) + mask.FromJsonString('fooBar') + self.assertEqual(['foo_bar'], mask.paths) + mask.FromJsonString('fooBar,barQuz') + self.assertEqual(['foo_bar', 'bar_quz'], mask.paths) + + def testDescriptorToFieldMask(self): + mask = field_mask_pb2.FieldMask() + msg_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR + mask.AllFieldsFromDescriptor(msg_descriptor) + self.assertEqual(76, len(mask.paths)) + self.assertTrue(mask.IsValidForDescriptor(msg_descriptor)) + for field in msg_descriptor.fields: + self.assertTrue(field.name in mask.paths) + + def testIsValidForDescriptor(self): + msg_descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR + # Empty mask + mask = field_mask_pb2.FieldMask() + self.assertTrue(mask.IsValidForDescriptor(msg_descriptor)) + # All fields from descriptor + mask.AllFieldsFromDescriptor(msg_descriptor) + self.assertTrue(mask.IsValidForDescriptor(msg_descriptor)) + # Child under optional message + mask.paths.append('optional_nested_message.bb') + self.assertTrue(mask.IsValidForDescriptor(msg_descriptor)) + # Repeated field is only allowed in the last position of path + mask.paths.append('repeated_nested_message.bb') + self.assertFalse(mask.IsValidForDescriptor(msg_descriptor)) + # Invalid top level field + mask = field_mask_pb2.FieldMask() + mask.paths.append('xxx') + self.assertFalse(mask.IsValidForDescriptor(msg_descriptor)) + # Invalid field in root + mask = field_mask_pb2.FieldMask() + mask.paths.append('xxx.zzz') + self.assertFalse(mask.IsValidForDescriptor(msg_descriptor)) + # Invalid field in internal node + mask = field_mask_pb2.FieldMask() + mask.paths.append('optional_nested_message.xxx.zzz') + self.assertFalse(mask.IsValidForDescriptor(msg_descriptor)) + # Invalid field in leaf + mask = field_mask_pb2.FieldMask() + mask.paths.append('optional_nested_message.xxx') + self.assertFalse(mask.IsValidForDescriptor(msg_descriptor)) + + def testCanonicalFrom(self): + mask = field_mask_pb2.FieldMask() + out_mask = field_mask_pb2.FieldMask() + # Paths will be sorted. + mask.FromJsonString('baz.quz,bar,foo') + out_mask.CanonicalFormFromMask(mask) + self.assertEqual('bar,baz.quz,foo', out_mask.ToJsonString()) + # Duplicated paths will be removed. + mask.FromJsonString('foo,bar,foo') + out_mask.CanonicalFormFromMask(mask) + self.assertEqual('bar,foo', out_mask.ToJsonString()) + # Sub-paths of other paths will be removed. + mask.FromJsonString('foo.b1,bar.b1,foo.b2,bar') + out_mask.CanonicalFormFromMask(mask) + self.assertEqual('bar,foo.b1,foo.b2', out_mask.ToJsonString()) + + # Test more deeply nested cases. + mask.FromJsonString( + 'foo.bar.baz1,foo.bar.baz2.quz,foo.bar.baz2') + out_mask.CanonicalFormFromMask(mask) + self.assertEqual('foo.bar.baz1,foo.bar.baz2', + out_mask.ToJsonString()) + mask.FromJsonString( + 'foo.bar.baz1,foo.bar.baz2,foo.bar.baz2.quz') + out_mask.CanonicalFormFromMask(mask) + self.assertEqual('foo.bar.baz1,foo.bar.baz2', + out_mask.ToJsonString()) + mask.FromJsonString( + 'foo.bar.baz1,foo.bar.baz2,foo.bar.baz2.quz,foo.bar') + out_mask.CanonicalFormFromMask(mask) + self.assertEqual('foo.bar', out_mask.ToJsonString()) + mask.FromJsonString( + 'foo.bar.baz1,foo.bar.baz2,foo.bar.baz2.quz,foo') + out_mask.CanonicalFormFromMask(mask) + self.assertEqual('foo', out_mask.ToJsonString()) + + def testUnion(self): + mask1 = field_mask_pb2.FieldMask() + mask2 = field_mask_pb2.FieldMask() + out_mask = field_mask_pb2.FieldMask() + mask1.FromJsonString('foo,baz') + mask2.FromJsonString('bar,quz') + out_mask.Union(mask1, mask2) + self.assertEqual('bar,baz,foo,quz', out_mask.ToJsonString()) + # Overlap with duplicated paths. + mask1.FromJsonString('foo,baz.bb') + mask2.FromJsonString('baz.bb,quz') + out_mask.Union(mask1, mask2) + self.assertEqual('baz.bb,foo,quz', out_mask.ToJsonString()) + # Overlap with paths covering some other paths. + mask1.FromJsonString('foo.bar.baz,quz') + mask2.FromJsonString('foo.bar,bar') + out_mask.Union(mask1, mask2) + self.assertEqual('bar,foo.bar,quz', out_mask.ToJsonString()) + src = unittest_pb2.TestAllTypes() + with self.assertRaises(ValueError): + out_mask.Union(src, mask2) + + def testIntersect(self): + mask1 = field_mask_pb2.FieldMask() + mask2 = field_mask_pb2.FieldMask() + out_mask = field_mask_pb2.FieldMask() + # Test cases without overlapping. + mask1.FromJsonString('foo,baz') + mask2.FromJsonString('bar,quz') + out_mask.Intersect(mask1, mask2) + self.assertEqual('', out_mask.ToJsonString()) + self.assertEqual(len(out_mask.paths), 0) + self.assertEqual(out_mask.paths, []) + # Overlap with duplicated paths. + mask1.FromJsonString('foo,baz.bb') + mask2.FromJsonString('baz.bb,quz') + out_mask.Intersect(mask1, mask2) + self.assertEqual('baz.bb', out_mask.ToJsonString()) + # Overlap with paths covering some other paths. + mask1.FromJsonString('foo.bar.baz,quz') + mask2.FromJsonString('foo.bar,bar') + out_mask.Intersect(mask1, mask2) + self.assertEqual('foo.bar.baz', out_mask.ToJsonString()) + mask1.FromJsonString('foo.bar,bar') + mask2.FromJsonString('foo.bar.baz,quz') + out_mask.Intersect(mask1, mask2) + self.assertEqual('foo.bar.baz', out_mask.ToJsonString()) + # Intersect '' with '' + mask1.Clear() + mask2.Clear() + mask1.paths.append('') + mask2.paths.append('') + self.assertEqual(mask1.paths, ['']) + self.assertEqual('', mask1.ToJsonString()) + out_mask.Intersect(mask1, mask2) + self.assertEqual(out_mask.paths, []) + + def testMergeMessageWithoutMapFields(self): + # Test merge one field. + src = unittest_pb2.TestAllTypes() + test_util.SetAllFields(src) + for field in src.DESCRIPTOR.fields: + if field.containing_oneof: + continue + field_name = field.name + dst = unittest_pb2.TestAllTypes() + # Only set one path to mask. + mask = field_mask_pb2.FieldMask() + mask.paths.append(field_name) + mask.MergeMessage(src, dst) + # The expected result message. + msg = unittest_pb2.TestAllTypes() + if field.label == descriptor.FieldDescriptor.LABEL_REPEATED: + repeated_src = getattr(src, field_name) + repeated_msg = getattr(msg, field_name) + if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + for item in repeated_src: + repeated_msg.add().CopyFrom(item) + else: + repeated_msg.extend(repeated_src) + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + getattr(msg, field_name).CopyFrom(getattr(src, field_name)) + else: + setattr(msg, field_name, getattr(src, field_name)) + # Only field specified in mask is merged. + self.assertEqual(msg, dst) + + # Test merge nested fields. + nested_src = unittest_pb2.NestedTestAllTypes() + nested_dst = unittest_pb2.NestedTestAllTypes() + nested_src.child.payload.optional_int32 = 1234 + nested_src.child.child.payload.optional_int32 = 5678 + mask = field_mask_pb2.FieldMask() + mask.FromJsonString('child.payload') + mask.MergeMessage(nested_src, nested_dst) + self.assertEqual(1234, nested_dst.child.payload.optional_int32) + self.assertEqual(0, nested_dst.child.child.payload.optional_int32) + + mask.FromJsonString('child.child.payload') + mask.MergeMessage(nested_src, nested_dst) + self.assertEqual(1234, nested_dst.child.payload.optional_int32) + self.assertEqual(5678, nested_dst.child.child.payload.optional_int32) + + nested_dst.Clear() + mask.FromJsonString('child.child.payload') + mask.MergeMessage(nested_src, nested_dst) + self.assertEqual(0, nested_dst.child.payload.optional_int32) + self.assertEqual(5678, nested_dst.child.child.payload.optional_int32) + + nested_dst.Clear() + mask.FromJsonString('child') + mask.MergeMessage(nested_src, nested_dst) + self.assertEqual(1234, nested_dst.child.payload.optional_int32) + self.assertEqual(5678, nested_dst.child.child.payload.optional_int32) + + # Test MergeOptions. + nested_dst.Clear() + nested_dst.child.payload.optional_int64 = 4321 + # Message fields will be merged by default. + mask.FromJsonString('child.payload') + mask.MergeMessage(nested_src, nested_dst) + self.assertEqual(1234, nested_dst.child.payload.optional_int32) + self.assertEqual(4321, nested_dst.child.payload.optional_int64) + # Change the behavior to replace message fields. + mask.FromJsonString('child.payload') + mask.MergeMessage(nested_src, nested_dst, True, False) + self.assertEqual(1234, nested_dst.child.payload.optional_int32) + self.assertEqual(0, nested_dst.child.payload.optional_int64) + + # By default, fields missing in source are not cleared in destination. + nested_dst.payload.optional_int32 = 1234 + self.assertTrue(nested_dst.HasField('payload')) + mask.FromJsonString('payload') + mask.MergeMessage(nested_src, nested_dst) + self.assertTrue(nested_dst.HasField('payload')) + # But they are cleared when replacing message fields. + nested_dst.Clear() + nested_dst.payload.optional_int32 = 1234 + mask.FromJsonString('payload') + mask.MergeMessage(nested_src, nested_dst, True, False) + self.assertFalse(nested_dst.HasField('payload')) + + nested_src.payload.repeated_int32.append(1234) + nested_dst.payload.repeated_int32.append(5678) + # Repeated fields will be appended by default. + mask.FromJsonString('payload.repeatedInt32') + mask.MergeMessage(nested_src, nested_dst) + self.assertEqual(2, len(nested_dst.payload.repeated_int32)) + self.assertEqual(5678, nested_dst.payload.repeated_int32[0]) + self.assertEqual(1234, nested_dst.payload.repeated_int32[1]) + # Change the behavior to replace repeated fields. + mask.FromJsonString('payload.repeatedInt32') + mask.MergeMessage(nested_src, nested_dst, False, True) + self.assertEqual(1, len(nested_dst.payload.repeated_int32)) + self.assertEqual(1234, nested_dst.payload.repeated_int32[0]) + + # Test Merge oneof field. + new_msg = unittest_pb2.TestOneof2() + dst = unittest_pb2.TestOneof2() + dst.foo_message.moo_int = 1 + mask = field_mask_pb2.FieldMask() + mask.FromJsonString('fooMessage,fooLazyMessage.mooInt') + mask.MergeMessage(new_msg, dst) + self.assertTrue(dst.HasField('foo_message')) + self.assertFalse(dst.HasField('foo_lazy_message')) + + def testMergeMessageWithMapField(self): + empty_map = map_unittest_pb2.TestRecursiveMapMessage() + src_level_2 = map_unittest_pb2.TestRecursiveMapMessage() + src_level_2.a['src level 2'].CopyFrom(empty_map) + src = map_unittest_pb2.TestRecursiveMapMessage() + src.a['common key'].CopyFrom(src_level_2) + src.a['src level 1'].CopyFrom(src_level_2) + + dst_level_2 = map_unittest_pb2.TestRecursiveMapMessage() + dst_level_2.a['dst level 2'].CopyFrom(empty_map) + dst = map_unittest_pb2.TestRecursiveMapMessage() + dst.a['common key'].CopyFrom(dst_level_2) + dst.a['dst level 1'].CopyFrom(empty_map) + + mask = field_mask_pb2.FieldMask() + mask.FromJsonString('a') + mask.MergeMessage(src, dst) + + # map from dst is replaced with map from src. + self.assertEqual(dst.a['common key'], src_level_2) + self.assertEqual(dst.a['src level 1'], src_level_2) + self.assertEqual(dst.a['dst level 1'], empty_map) + + def testMergeErrors(self): + src = unittest_pb2.TestAllTypes() + dst = unittest_pb2.TestAllTypes() + mask = field_mask_pb2.FieldMask() + test_util.SetAllFields(src) + mask.FromJsonString('optionalInt32.field') + with self.assertRaises(ValueError) as e: + mask.MergeMessage(src, dst) + self.assertEqual('Error: Field optional_int32 in message ' + 'protobuf_unittest.TestAllTypes is not a singular ' + 'message field and cannot have sub-fields.', + str(e.exception)) + + def testSnakeCaseToCamelCase(self): + self.assertEqual('fooBar', + well_known_types._SnakeCaseToCamelCase('foo_bar')) + self.assertEqual('FooBar', + well_known_types._SnakeCaseToCamelCase('_foo_bar')) + self.assertEqual('foo3Bar', + well_known_types._SnakeCaseToCamelCase('foo3_bar')) + + # No uppercase letter is allowed. + self.assertRaisesRegex( + ValueError, + 'Fail to print FieldMask to Json string: Path name Foo must ' + 'not contain uppercase letters.', + well_known_types._SnakeCaseToCamelCase, 'Foo') + # Any character after a "_" must be a lowercase letter. + # 1. "_" cannot be followed by another "_". + # 2. "_" cannot be followed by a digit. + # 3. "_" cannot appear as the last character. + self.assertRaisesRegex( + ValueError, + 'Fail to print FieldMask to Json string: The character after a ' + '"_" must be a lowercase letter in path name foo__bar.', + well_known_types._SnakeCaseToCamelCase, 'foo__bar') + self.assertRaisesRegex( + ValueError, + 'Fail to print FieldMask to Json string: The character after a ' + '"_" must be a lowercase letter in path name foo_3bar.', + well_known_types._SnakeCaseToCamelCase, 'foo_3bar') + self.assertRaisesRegex( + ValueError, + 'Fail to print FieldMask to Json string: Trailing "_" in path ' + 'name foo_bar_.', well_known_types._SnakeCaseToCamelCase, 'foo_bar_') + + def testCamelCaseToSnakeCase(self): + self.assertEqual('foo_bar', + well_known_types._CamelCaseToSnakeCase('fooBar')) + self.assertEqual('_foo_bar', + well_known_types._CamelCaseToSnakeCase('FooBar')) + self.assertEqual('foo3_bar', + well_known_types._CamelCaseToSnakeCase('foo3Bar')) + self.assertRaisesRegex( + ValueError, + 'Fail to parse FieldMask: Path name foo_bar must not contain "_"s.', + well_known_types._CamelCaseToSnakeCase, 'foo_bar') + + +class StructTest(unittest.TestCase): + + def testStruct(self): + struct = struct_pb2.Struct() + self.assertIsInstance(struct, collections_abc.Mapping) + self.assertEqual(0, len(struct)) + struct_class = struct.__class__ + + struct['key1'] = 5 + struct['key2'] = 'abc' + struct['key3'] = True + struct.get_or_create_struct('key4')['subkey'] = 11.0 + struct_list = struct.get_or_create_list('key5') + self.assertIsInstance(struct_list, collections_abc.Sequence) + struct_list.extend([6, 'seven', True, False, None]) + struct_list.add_struct()['subkey2'] = 9 + struct['key6'] = {'subkey': {}} + struct['key7'] = [2, False] + + self.assertEqual(7, len(struct)) + self.assertTrue(isinstance(struct, well_known_types.Struct)) + self.assertEqual(5, struct['key1']) + self.assertEqual('abc', struct['key2']) + self.assertIs(True, struct['key3']) + self.assertEqual(11, struct['key4']['subkey']) + inner_struct = struct_class() + inner_struct['subkey2'] = 9 + self.assertEqual([6, 'seven', True, False, None, inner_struct], + list(struct['key5'].items())) + self.assertEqual({}, dict(struct['key6']['subkey'].fields)) + self.assertEqual([2, False], list(struct['key7'].items())) + + serialized = struct.SerializeToString() + struct2 = struct_pb2.Struct() + struct2.ParseFromString(serialized) + + self.assertEqual(struct, struct2) + for key, value in struct.items(): + self.assertIn(key, struct) + self.assertIn(key, struct2) + self.assertEqual(value, struct2[key]) + + self.assertEqual(7, len(struct.keys())) + self.assertEqual(7, len(struct.values())) + for key in struct.keys(): + self.assertIn(key, struct) + self.assertIn(key, struct2) + self.assertEqual(struct[key], struct2[key]) + + item = (next(iter(struct.keys())), next(iter(struct.values()))) + self.assertEqual(item, next(iter(struct.items()))) + + self.assertTrue(isinstance(struct2, well_known_types.Struct)) + self.assertEqual(5, struct2['key1']) + self.assertEqual('abc', struct2['key2']) + self.assertIs(True, struct2['key3']) + self.assertEqual(11, struct2['key4']['subkey']) + self.assertEqual([6, 'seven', True, False, None, inner_struct], + list(struct2['key5'].items())) + + struct_list = struct2['key5'] + self.assertEqual(6, struct_list[0]) + self.assertEqual('seven', struct_list[1]) + self.assertEqual(True, struct_list[2]) + self.assertEqual(False, struct_list[3]) + self.assertEqual(None, struct_list[4]) + self.assertEqual(inner_struct, struct_list[5]) + + struct_list[1] = 7 + self.assertEqual(7, struct_list[1]) + + struct_list.add_list().extend([1, 'two', True, False, None]) + self.assertEqual([1, 'two', True, False, None], + list(struct_list[6].items())) + struct_list.extend([{'nested_struct': 30}, ['nested_list', 99], {}, []]) + self.assertEqual(11, len(struct_list.values)) + self.assertEqual(30, struct_list[7]['nested_struct']) + self.assertEqual('nested_list', struct_list[8][0]) + self.assertEqual(99, struct_list[8][1]) + self.assertEqual({}, dict(struct_list[9].fields)) + self.assertEqual([], list(struct_list[10].items())) + struct_list[0] = {'replace': 'set'} + struct_list[1] = ['replace', 'set'] + self.assertEqual('set', struct_list[0]['replace']) + self.assertEqual(['replace', 'set'], list(struct_list[1].items())) + + text_serialized = str(struct) + struct3 = struct_pb2.Struct() + text_format.Merge(text_serialized, struct3) + self.assertEqual(struct, struct3) + + struct.get_or_create_struct('key3')['replace'] = 12 + self.assertEqual(12, struct['key3']['replace']) + + # Tests empty list. + struct.get_or_create_list('empty_list') + empty_list = struct['empty_list'] + self.assertEqual([], list(empty_list.items())) + list2 = struct_pb2.ListValue() + list2.add_list() + empty_list = list2[0] + self.assertEqual([], list(empty_list.items())) + + # Tests empty struct. + struct.get_or_create_struct('empty_struct') + empty_struct = struct['empty_struct'] + self.assertEqual({}, dict(empty_struct.fields)) + list2.add_struct() + empty_struct = list2[1] + self.assertEqual({}, dict(empty_struct.fields)) + + self.assertEqual(9, len(struct)) + del struct['key3'] + del struct['key4'] + self.assertEqual(7, len(struct)) + self.assertEqual(6, len(struct['key5'])) + del struct['key5'][1] + self.assertEqual(5, len(struct['key5'])) + self.assertEqual([6, True, False, None, inner_struct], + list(struct['key5'].items())) + + def testStructAssignment(self): + # Tests struct assignment from another struct + s1 = struct_pb2.Struct() + s2 = struct_pb2.Struct() + for value in [1, 'a', [1], ['a'], {'a': 'b'}]: + s1['x'] = value + s2['x'] = s1['x'] + self.assertEqual(s1['x'], s2['x']) + + def testMergeFrom(self): + struct = struct_pb2.Struct() + struct_class = struct.__class__ + + dictionary = { + 'key1': 5, + 'key2': 'abc', + 'key3': True, + 'key4': {'subkey': 11.0}, + 'key5': [6, 'seven', True, False, None, {'subkey2': 9}], + 'key6': [['nested_list', True]], + 'empty_struct': {}, + 'empty_list': [] + } + struct.update(dictionary) + self.assertEqual(5, struct['key1']) + self.assertEqual('abc', struct['key2']) + self.assertIs(True, struct['key3']) + self.assertEqual(11, struct['key4']['subkey']) + inner_struct = struct_class() + inner_struct['subkey2'] = 9 + self.assertEqual([6, 'seven', True, False, None, inner_struct], + list(struct['key5'].items())) + self.assertEqual(2, len(struct['key6'][0].values)) + self.assertEqual('nested_list', struct['key6'][0][0]) + self.assertEqual(True, struct['key6'][0][1]) + empty_list = struct['empty_list'] + self.assertEqual([], list(empty_list.items())) + empty_struct = struct['empty_struct'] + self.assertEqual({}, dict(empty_struct.fields)) + + # According to documentation: "When parsing from the wire or when merging, + # if there are duplicate map keys the last key seen is used". + duplicate = { + 'key4': {'replace': 20}, + 'key5': [[False, 5]] + } + struct.update(duplicate) + self.assertEqual(1, len(struct['key4'].fields)) + self.assertEqual(20, struct['key4']['replace']) + self.assertEqual(1, len(struct['key5'].values)) + self.assertEqual(False, struct['key5'][0][0]) + self.assertEqual(5, struct['key5'][0][1]) + + +class AnyTest(unittest.TestCase): + + def testAnyMessage(self): + # Creates and sets message. + msg = any_test_pb2.TestAny() + msg_descriptor = msg.DESCRIPTOR + all_types = unittest_pb2.TestAllTypes() + all_descriptor = all_types.DESCRIPTOR + all_types.repeated_string.append(u'\u00fc\ua71f') + # Packs to Any. + msg.value.Pack(all_types) + self.assertEqual(msg.value.type_url, + 'type.googleapis.com/%s' % all_descriptor.full_name) + self.assertEqual(msg.value.value, + all_types.SerializeToString()) + # Tests Is() method. + self.assertTrue(msg.value.Is(all_descriptor)) + self.assertFalse(msg.value.Is(msg_descriptor)) + # Unpacks Any. + unpacked_message = unittest_pb2.TestAllTypes() + self.assertTrue(msg.value.Unpack(unpacked_message)) + self.assertEqual(all_types, unpacked_message) + # Unpacks to different type. + self.assertFalse(msg.value.Unpack(msg)) + # Only Any messages have Pack method. + try: + msg.Pack(all_types) + except AttributeError: + pass + else: + raise AttributeError('%s should not have Pack method.' % + msg_descriptor.full_name) + + def testUnpackWithNoSlashInTypeUrl(self): + msg = any_test_pb2.TestAny() + all_types = unittest_pb2.TestAllTypes() + all_descriptor = all_types.DESCRIPTOR + msg.value.Pack(all_types) + # Reset type_url to part of type_url after '/' + msg.value.type_url = msg.value.TypeName() + self.assertFalse(msg.value.Is(all_descriptor)) + unpacked_message = unittest_pb2.TestAllTypes() + self.assertFalse(msg.value.Unpack(unpacked_message)) + + def testMessageName(self): + # Creates and sets message. + submessage = any_test_pb2.TestAny() + submessage.int_value = 12345 + msg = any_pb2.Any() + msg.Pack(submessage) + self.assertEqual(msg.TypeName(), 'google.protobuf.internal.TestAny') + + def testPackWithCustomTypeUrl(self): + submessage = any_test_pb2.TestAny() + submessage.int_value = 12345 + msg = any_pb2.Any() + # Pack with a custom type URL prefix. + msg.Pack(submessage, 'type.myservice.com') + self.assertEqual(msg.type_url, + 'type.myservice.com/%s' % submessage.DESCRIPTOR.full_name) + # Pack with a custom type URL prefix ending with '/'. + msg.Pack(submessage, 'type.myservice.com/') + self.assertEqual(msg.type_url, + 'type.myservice.com/%s' % submessage.DESCRIPTOR.full_name) + # Pack with an empty type URL prefix. + msg.Pack(submessage, '') + self.assertEqual(msg.type_url, + '/%s' % submessage.DESCRIPTOR.full_name) + # Test unpacking the type. + unpacked_message = any_test_pb2.TestAny() + self.assertTrue(msg.Unpack(unpacked_message)) + self.assertEqual(submessage, unpacked_message) + + def testPackDeterministic(self): + submessage = any_test_pb2.TestAny() + for i in range(10): + submessage.map_value[str(i)] = i * 2 + msg = any_pb2.Any() + msg.Pack(submessage, deterministic=True) + serialized = msg.SerializeToString(deterministic=True) + golden = (b'\n4type.googleapis.com/google.protobuf.internal.TestAny\x12F' + b'\x1a\x05\n\x010\x10\x00\x1a\x05\n\x011\x10\x02\x1a\x05\n\x01' + b'2\x10\x04\x1a\x05\n\x013\x10\x06\x1a\x05\n\x014\x10\x08\x1a' + b'\x05\n\x015\x10\n\x1a\x05\n\x016\x10\x0c\x1a\x05\n\x017\x10' + b'\x0e\x1a\x05\n\x018\x10\x10\x1a\x05\n\x019\x10\x12') + self.assertEqual(golden, serialized) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/wire_format.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/wire_format.py new file mode 100644 index 0000000..883f525 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/wire_format.py @@ -0,0 +1,268 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Constants and static functions to support protocol buffer wire format.""" + +__author__ = 'robinson@google.com (Will Robinson)' + +import struct +from google.protobuf import descriptor +from google.protobuf import message + + +TAG_TYPE_BITS = 3 # Number of bits used to hold type info in a proto tag. +TAG_TYPE_MASK = (1 << TAG_TYPE_BITS) - 1 # 0x7 + +# These numbers identify the wire type of a protocol buffer value. +# We use the least-significant TAG_TYPE_BITS bits of the varint-encoded +# tag-and-type to store one of these WIRETYPE_* constants. +# These values must match WireType enum in google/protobuf/wire_format.h. +WIRETYPE_VARINT = 0 +WIRETYPE_FIXED64 = 1 +WIRETYPE_LENGTH_DELIMITED = 2 +WIRETYPE_START_GROUP = 3 +WIRETYPE_END_GROUP = 4 +WIRETYPE_FIXED32 = 5 +_WIRETYPE_MAX = 5 + + +# Bounds for various integer types. +INT32_MAX = int((1 << 31) - 1) +INT32_MIN = int(-(1 << 31)) +UINT32_MAX = (1 << 32) - 1 + +INT64_MAX = (1 << 63) - 1 +INT64_MIN = -(1 << 63) +UINT64_MAX = (1 << 64) - 1 + +# "struct" format strings that will encode/decode the specified formats. +FORMAT_UINT32_LITTLE_ENDIAN = '> TAG_TYPE_BITS), (tag & TAG_TYPE_MASK) + + +def ZigZagEncode(value): + """ZigZag Transform: Encodes signed integers so that they can be + effectively used with varint encoding. See wire_format.h for + more details. + """ + if value >= 0: + return value << 1 + return (value << 1) ^ (~0) + + +def ZigZagDecode(value): + """Inverse of ZigZagEncode().""" + if not value & 0x1: + return value >> 1 + return (value >> 1) ^ (~0) + + + +# The *ByteSize() functions below return the number of bytes required to +# serialize "field number + type" information and then serialize the value. + + +def Int32ByteSize(field_number, int32): + return Int64ByteSize(field_number, int32) + + +def Int32ByteSizeNoTag(int32): + return _VarUInt64ByteSizeNoTag(0xffffffffffffffff & int32) + + +def Int64ByteSize(field_number, int64): + # Have to convert to uint before calling UInt64ByteSize(). + return UInt64ByteSize(field_number, 0xffffffffffffffff & int64) + + +def UInt32ByteSize(field_number, uint32): + return UInt64ByteSize(field_number, uint32) + + +def UInt64ByteSize(field_number, uint64): + return TagByteSize(field_number) + _VarUInt64ByteSizeNoTag(uint64) + + +def SInt32ByteSize(field_number, int32): + return UInt32ByteSize(field_number, ZigZagEncode(int32)) + + +def SInt64ByteSize(field_number, int64): + return UInt64ByteSize(field_number, ZigZagEncode(int64)) + + +def Fixed32ByteSize(field_number, fixed32): + return TagByteSize(field_number) + 4 + + +def Fixed64ByteSize(field_number, fixed64): + return TagByteSize(field_number) + 8 + + +def SFixed32ByteSize(field_number, sfixed32): + return TagByteSize(field_number) + 4 + + +def SFixed64ByteSize(field_number, sfixed64): + return TagByteSize(field_number) + 8 + + +def FloatByteSize(field_number, flt): + return TagByteSize(field_number) + 4 + + +def DoubleByteSize(field_number, double): + return TagByteSize(field_number) + 8 + + +def BoolByteSize(field_number, b): + return TagByteSize(field_number) + 1 + + +def EnumByteSize(field_number, enum): + return UInt32ByteSize(field_number, enum) + + +def StringByteSize(field_number, string): + return BytesByteSize(field_number, string.encode('utf-8')) + + +def BytesByteSize(field_number, b): + return (TagByteSize(field_number) + + _VarUInt64ByteSizeNoTag(len(b)) + + len(b)) + + +def GroupByteSize(field_number, message): + return (2 * TagByteSize(field_number) # START and END group. + + message.ByteSize()) + + +def MessageByteSize(field_number, message): + return (TagByteSize(field_number) + + _VarUInt64ByteSizeNoTag(message.ByteSize()) + + message.ByteSize()) + + +def MessageSetItemByteSize(field_number, msg): + # First compute the sizes of the tags. + # There are 2 tags for the beginning and ending of the repeated group, that + # is field number 1, one with field number 2 (type_id) and one with field + # number 3 (message). + total_size = (2 * TagByteSize(1) + TagByteSize(2) + TagByteSize(3)) + + # Add the number of bytes for type_id. + total_size += _VarUInt64ByteSizeNoTag(field_number) + + message_size = msg.ByteSize() + + # The number of bytes for encoding the length of the message. + total_size += _VarUInt64ByteSizeNoTag(message_size) + + # The size of the message. + total_size += message_size + return total_size + + +def TagByteSize(field_number): + """Returns the bytes required to serialize a tag with this field number.""" + # Just pass in type 0, since the type won't affect the tag+type size. + return _VarUInt64ByteSizeNoTag(PackTag(field_number, 0)) + + +# Private helper function for the *ByteSize() functions above. + +def _VarUInt64ByteSizeNoTag(uint64): + """Returns the number of bytes required to serialize a single varint + using boundary value comparisons. (unrolled loop optimization -WPierce) + uint64 must be unsigned. + """ + if uint64 <= 0x7f: return 1 + if uint64 <= 0x3fff: return 2 + if uint64 <= 0x1fffff: return 3 + if uint64 <= 0xfffffff: return 4 + if uint64 <= 0x7ffffffff: return 5 + if uint64 <= 0x3ffffffffff: return 6 + if uint64 <= 0x1ffffffffffff: return 7 + if uint64 <= 0xffffffffffffff: return 8 + if uint64 <= 0x7fffffffffffffff: return 9 + if uint64 > UINT64_MAX: + raise message.EncodeError('Value out of range: %d' % uint64) + return 10 + + +NON_PACKABLE_TYPES = ( + descriptor.FieldDescriptor.TYPE_STRING, + descriptor.FieldDescriptor.TYPE_GROUP, + descriptor.FieldDescriptor.TYPE_MESSAGE, + descriptor.FieldDescriptor.TYPE_BYTES +) + + +def IsTypePackable(field_type): + """Return true iff packable = true is valid for fields of this type. + + Args: + field_type: a FieldDescriptor::Type value. + + Returns: + True iff fields of this type are packable. + """ + return field_type not in NON_PACKABLE_TYPES diff --git a/venv/lib/python3.12/site-packages/google/protobuf/internal/wire_format_test.py b/venv/lib/python3.12/site-packages/google/protobuf/internal/wire_format_test.py new file mode 100644 index 0000000..f7ad0c7 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/internal/wire_format_test.py @@ -0,0 +1,252 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Test for google.protobuf.internal.wire_format.""" + +__author__ = 'robinson@google.com (Will Robinson)' + +import unittest + +from google.protobuf import message +from google.protobuf.internal import wire_format + + +class WireFormatTest(unittest.TestCase): + + def testPackTag(self): + field_number = 0xabc + tag_type = 2 + self.assertEqual((field_number << 3) | tag_type, + wire_format.PackTag(field_number, tag_type)) + PackTag = wire_format.PackTag + # Number too high. + self.assertRaises(message.EncodeError, PackTag, field_number, 6) + # Number too low. + self.assertRaises(message.EncodeError, PackTag, field_number, -1) + + def testUnpackTag(self): + # Test field numbers that will require various varint sizes. + for expected_field_number in (1, 15, 16, 2047, 2048): + for expected_wire_type in range(6): # Highest-numbered wiretype is 5. + field_number, wire_type = wire_format.UnpackTag( + wire_format.PackTag(expected_field_number, expected_wire_type)) + self.assertEqual(expected_field_number, field_number) + self.assertEqual(expected_wire_type, wire_type) + + self.assertRaises(TypeError, wire_format.UnpackTag, None) + self.assertRaises(TypeError, wire_format.UnpackTag, 'abc') + self.assertRaises(TypeError, wire_format.UnpackTag, 0.0) + self.assertRaises(TypeError, wire_format.UnpackTag, object()) + + def testZigZagEncode(self): + Z = wire_format.ZigZagEncode + self.assertEqual(0, Z(0)) + self.assertEqual(1, Z(-1)) + self.assertEqual(2, Z(1)) + self.assertEqual(3, Z(-2)) + self.assertEqual(4, Z(2)) + self.assertEqual(0xfffffffe, Z(0x7fffffff)) + self.assertEqual(0xffffffff, Z(-0x80000000)) + self.assertEqual(0xfffffffffffffffe, Z(0x7fffffffffffffff)) + self.assertEqual(0xffffffffffffffff, Z(-0x8000000000000000)) + + self.assertRaises(TypeError, Z, None) + self.assertRaises(TypeError, Z, 'abcd') + self.assertRaises(TypeError, Z, 0.0) + self.assertRaises(TypeError, Z, object()) + + def testZigZagDecode(self): + Z = wire_format.ZigZagDecode + self.assertEqual(0, Z(0)) + self.assertEqual(-1, Z(1)) + self.assertEqual(1, Z(2)) + self.assertEqual(-2, Z(3)) + self.assertEqual(2, Z(4)) + self.assertEqual(0x7fffffff, Z(0xfffffffe)) + self.assertEqual(-0x80000000, Z(0xffffffff)) + self.assertEqual(0x7fffffffffffffff, Z(0xfffffffffffffffe)) + self.assertEqual(-0x8000000000000000, Z(0xffffffffffffffff)) + + self.assertRaises(TypeError, Z, None) + self.assertRaises(TypeError, Z, 'abcd') + self.assertRaises(TypeError, Z, 0.0) + self.assertRaises(TypeError, Z, object()) + + def NumericByteSizeTestHelper(self, byte_size_fn, value, expected_value_size): + # Use field numbers that cause various byte sizes for the tag information. + for field_number, tag_bytes in ((15, 1), (16, 2), (2047, 2), (2048, 3)): + expected_size = expected_value_size + tag_bytes + actual_size = byte_size_fn(field_number, value) + self.assertEqual(expected_size, actual_size, + 'byte_size_fn: %s, field_number: %d, value: %r\n' + 'Expected: %d, Actual: %d'% ( + byte_size_fn, field_number, value, expected_size, actual_size)) + + def testByteSizeFunctions(self): + # Test all numeric *ByteSize() functions. + NUMERIC_ARGS = [ + # Int32ByteSize(). + [wire_format.Int32ByteSize, 0, 1], + [wire_format.Int32ByteSize, 127, 1], + [wire_format.Int32ByteSize, 128, 2], + [wire_format.Int32ByteSize, -1, 10], + # Int64ByteSize(). + [wire_format.Int64ByteSize, 0, 1], + [wire_format.Int64ByteSize, 127, 1], + [wire_format.Int64ByteSize, 128, 2], + [wire_format.Int64ByteSize, -1, 10], + # UInt32ByteSize(). + [wire_format.UInt32ByteSize, 0, 1], + [wire_format.UInt32ByteSize, 127, 1], + [wire_format.UInt32ByteSize, 128, 2], + [wire_format.UInt32ByteSize, wire_format.UINT32_MAX, 5], + # UInt64ByteSize(). + [wire_format.UInt64ByteSize, 0, 1], + [wire_format.UInt64ByteSize, 127, 1], + [wire_format.UInt64ByteSize, 128, 2], + [wire_format.UInt64ByteSize, wire_format.UINT64_MAX, 10], + # SInt32ByteSize(). + [wire_format.SInt32ByteSize, 0, 1], + [wire_format.SInt32ByteSize, -1, 1], + [wire_format.SInt32ByteSize, 1, 1], + [wire_format.SInt32ByteSize, -63, 1], + [wire_format.SInt32ByteSize, 63, 1], + [wire_format.SInt32ByteSize, -64, 1], + [wire_format.SInt32ByteSize, 64, 2], + # SInt64ByteSize(). + [wire_format.SInt64ByteSize, 0, 1], + [wire_format.SInt64ByteSize, -1, 1], + [wire_format.SInt64ByteSize, 1, 1], + [wire_format.SInt64ByteSize, -63, 1], + [wire_format.SInt64ByteSize, 63, 1], + [wire_format.SInt64ByteSize, -64, 1], + [wire_format.SInt64ByteSize, 64, 2], + # Fixed32ByteSize(). + [wire_format.Fixed32ByteSize, 0, 4], + [wire_format.Fixed32ByteSize, wire_format.UINT32_MAX, 4], + # Fixed64ByteSize(). + [wire_format.Fixed64ByteSize, 0, 8], + [wire_format.Fixed64ByteSize, wire_format.UINT64_MAX, 8], + # SFixed32ByteSize(). + [wire_format.SFixed32ByteSize, 0, 4], + [wire_format.SFixed32ByteSize, wire_format.INT32_MIN, 4], + [wire_format.SFixed32ByteSize, wire_format.INT32_MAX, 4], + # SFixed64ByteSize(). + [wire_format.SFixed64ByteSize, 0, 8], + [wire_format.SFixed64ByteSize, wire_format.INT64_MIN, 8], + [wire_format.SFixed64ByteSize, wire_format.INT64_MAX, 8], + # FloatByteSize(). + [wire_format.FloatByteSize, 0.0, 4], + [wire_format.FloatByteSize, 1000000000.0, 4], + [wire_format.FloatByteSize, -1000000000.0, 4], + # DoubleByteSize(). + [wire_format.DoubleByteSize, 0.0, 8], + [wire_format.DoubleByteSize, 1000000000.0, 8], + [wire_format.DoubleByteSize, -1000000000.0, 8], + # BoolByteSize(). + [wire_format.BoolByteSize, False, 1], + [wire_format.BoolByteSize, True, 1], + # EnumByteSize(). + [wire_format.EnumByteSize, 0, 1], + [wire_format.EnumByteSize, 127, 1], + [wire_format.EnumByteSize, 128, 2], + [wire_format.EnumByteSize, wire_format.UINT32_MAX, 5], + ] + for args in NUMERIC_ARGS: + self.NumericByteSizeTestHelper(*args) + + # Test strings and bytes. + for byte_size_fn in (wire_format.StringByteSize, wire_format.BytesByteSize): + # 1 byte for tag, 1 byte for length, 3 bytes for contents. + self.assertEqual(5, byte_size_fn(10, 'abc')) + # 2 bytes for tag, 1 byte for length, 3 bytes for contents. + self.assertEqual(6, byte_size_fn(16, 'abc')) + # 2 bytes for tag, 2 bytes for length, 128 bytes for contents. + self.assertEqual(132, byte_size_fn(16, 'a' * 128)) + + # Test UTF-8 string byte size calculation. + # 1 byte for tag, 1 byte for length, 8 bytes for content. + self.assertEqual(10, wire_format.StringByteSize( + 5, b'\xd0\xa2\xd0\xb5\xd1\x81\xd1\x82'.decode('utf-8'))) + + class MockMessage(object): + def __init__(self, byte_size): + self.byte_size = byte_size + def ByteSize(self): + return self.byte_size + + message_byte_size = 10 + mock_message = MockMessage(byte_size=message_byte_size) + # Test groups. + # (2 * 1) bytes for begin and end tags, plus message_byte_size. + self.assertEqual(2 + message_byte_size, + wire_format.GroupByteSize(1, mock_message)) + # (2 * 2) bytes for begin and end tags, plus message_byte_size. + self.assertEqual(4 + message_byte_size, + wire_format.GroupByteSize(16, mock_message)) + + # Test messages. + # 1 byte for tag, plus 1 byte for length, plus contents. + self.assertEqual(2 + mock_message.byte_size, + wire_format.MessageByteSize(1, mock_message)) + # 2 bytes for tag, plus 1 byte for length, plus contents. + self.assertEqual(3 + mock_message.byte_size, + wire_format.MessageByteSize(16, mock_message)) + # 2 bytes for tag, plus 2 bytes for length, plus contents. + mock_message.byte_size = 128 + self.assertEqual(4 + mock_message.byte_size, + wire_format.MessageByteSize(16, mock_message)) + + + # Test message set item byte size. + # 4 bytes for tags, plus 1 byte for length, plus 1 byte for type_id, + # plus contents. + mock_message.byte_size = 10 + self.assertEqual(mock_message.byte_size + 6, + wire_format.MessageSetItemByteSize(1, mock_message)) + + # 4 bytes for tags, plus 2 bytes for length, plus 1 byte for type_id, + # plus contents. + mock_message.byte_size = 128 + self.assertEqual(mock_message.byte_size + 7, + wire_format.MessageSetItemByteSize(1, mock_message)) + + # 4 bytes for tags, plus 2 bytes for length, plus 2 byte for type_id, + # plus contents. + self.assertEqual(mock_message.byte_size + 8, + wire_format.MessageSetItemByteSize(128, mock_message)) + + # Too-long varint. + self.assertRaises(message.EncodeError, + wire_format.UInt64ByteSize, 1, 1 << 128) + + +if __name__ == '__main__': + unittest.main() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/json_format.py b/venv/lib/python3.12/site-packages/google/protobuf/json_format.py new file mode 100644 index 0000000..5024ed8 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/json_format.py @@ -0,0 +1,912 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Contains routines for printing protocol messages in JSON format. + +Simple usage example: + + # Create a proto object and serialize it to a json format string. + message = my_proto_pb2.MyMessage(foo='bar') + json_string = json_format.MessageToJson(message) + + # Parse a json format string to proto object. + message = json_format.Parse(json_string, my_proto_pb2.MyMessage()) +""" + +__author__ = 'jieluo@google.com (Jie Luo)' + + +import base64 +from collections import OrderedDict +import json +import math +from operator import methodcaller +import re +import sys + +from google.protobuf.internal import type_checkers +from google.protobuf import descriptor +from google.protobuf import symbol_database + + +_TIMESTAMPFOMAT = '%Y-%m-%dT%H:%M:%S' +_INT_TYPES = frozenset([descriptor.FieldDescriptor.CPPTYPE_INT32, + descriptor.FieldDescriptor.CPPTYPE_UINT32, + descriptor.FieldDescriptor.CPPTYPE_INT64, + descriptor.FieldDescriptor.CPPTYPE_UINT64]) +_INT64_TYPES = frozenset([descriptor.FieldDescriptor.CPPTYPE_INT64, + descriptor.FieldDescriptor.CPPTYPE_UINT64]) +_FLOAT_TYPES = frozenset([descriptor.FieldDescriptor.CPPTYPE_FLOAT, + descriptor.FieldDescriptor.CPPTYPE_DOUBLE]) +_INFINITY = 'Infinity' +_NEG_INFINITY = '-Infinity' +_NAN = 'NaN' + +_UNPAIRED_SURROGATE_PATTERN = re.compile( + u'[\ud800-\udbff](?![\udc00-\udfff])|(? self.max_recursion_depth: + raise ParseError('Message too deep. Max recursion depth is {0}'.format( + self.max_recursion_depth)) + message_descriptor = message.DESCRIPTOR + full_name = message_descriptor.full_name + if not path: + path = message_descriptor.name + if _IsWrapperMessage(message_descriptor): + self._ConvertWrapperMessage(value, message, path) + elif full_name in _WKTJSONMETHODS: + methodcaller(_WKTJSONMETHODS[full_name][1], value, message, path)(self) + else: + self._ConvertFieldValuePair(value, message, path) + self.recursion_depth -= 1 + + def _ConvertFieldValuePair(self, js, message, path): + """Convert field value pairs into regular message. + + Args: + js: A JSON object to convert the field value pairs. + message: A regular protocol message to record the data. + path: parent path to log parse error info. + + Raises: + ParseError: In case of problems converting. + """ + names = [] + message_descriptor = message.DESCRIPTOR + fields_by_json_name = dict((f.json_name, f) + for f in message_descriptor.fields) + for name in js: + try: + field = fields_by_json_name.get(name, None) + if not field: + field = message_descriptor.fields_by_name.get(name, None) + if not field and _VALID_EXTENSION_NAME.match(name): + if not message_descriptor.is_extendable: + raise ParseError( + 'Message type {0} does not have extensions at {1}'.format( + message_descriptor.full_name, path)) + identifier = name[1:-1] # strip [] brackets + # pylint: disable=protected-access + field = message.Extensions._FindExtensionByName(identifier) + # pylint: enable=protected-access + if not field: + # Try looking for extension by the message type name, dropping the + # field name following the final . separator in full_name. + identifier = '.'.join(identifier.split('.')[:-1]) + # pylint: disable=protected-access + field = message.Extensions._FindExtensionByName(identifier) + # pylint: enable=protected-access + if not field: + if self.ignore_unknown_fields: + continue + raise ParseError( + ('Message type "{0}" has no field named "{1}" at "{2}".\n' + ' Available Fields(except extensions): "{3}"').format( + message_descriptor.full_name, name, path, + [f.json_name for f in message_descriptor.fields])) + if name in names: + raise ParseError('Message type "{0}" should not have multiple ' + '"{1}" fields at "{2}".'.format( + message.DESCRIPTOR.full_name, name, path)) + names.append(name) + value = js[name] + # Check no other oneof field is parsed. + if field.containing_oneof is not None and value is not None: + oneof_name = field.containing_oneof.name + if oneof_name in names: + raise ParseError('Message type "{0}" should not have multiple ' + '"{1}" oneof fields at "{2}".'.format( + message.DESCRIPTOR.full_name, oneof_name, + path)) + names.append(oneof_name) + + if value is None: + if (field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE + and field.message_type.full_name == 'google.protobuf.Value'): + sub_message = getattr(message, field.name) + sub_message.null_value = 0 + elif (field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_ENUM + and field.enum_type.full_name == 'google.protobuf.NullValue'): + setattr(message, field.name, 0) + else: + message.ClearField(field.name) + continue + + # Parse field value. + if _IsMapEntry(field): + message.ClearField(field.name) + self._ConvertMapFieldValue(value, message, field, + '{0}.{1}'.format(path, name)) + elif field.label == descriptor.FieldDescriptor.LABEL_REPEATED: + message.ClearField(field.name) + if not isinstance(value, list): + raise ParseError('repeated field {0} must be in [] which is ' + '{1} at {2}'.format(name, value, path)) + if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + # Repeated message field. + for index, item in enumerate(value): + sub_message = getattr(message, field.name).add() + # None is a null_value in Value. + if (item is None and + sub_message.DESCRIPTOR.full_name != 'google.protobuf.Value'): + raise ParseError('null is not allowed to be used as an element' + ' in a repeated field at {0}.{1}[{2}]'.format( + path, name, index)) + self.ConvertMessage(item, sub_message, + '{0}.{1}[{2}]'.format(path, name, index)) + else: + # Repeated scalar field. + for index, item in enumerate(value): + if item is None: + raise ParseError('null is not allowed to be used as an element' + ' in a repeated field at {0}.{1}[{2}]'.format( + path, name, index)) + getattr(message, field.name).append( + _ConvertScalarFieldValue( + item, field, '{0}.{1}[{2}]'.format(path, name, index))) + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + if field.is_extension: + sub_message = message.Extensions[field] + else: + sub_message = getattr(message, field.name) + sub_message.SetInParent() + self.ConvertMessage(value, sub_message, '{0}.{1}'.format(path, name)) + else: + if field.is_extension: + message.Extensions[field] = _ConvertScalarFieldValue( + value, field, '{0}.{1}'.format(path, name)) + else: + setattr( + message, field.name, + _ConvertScalarFieldValue(value, field, + '{0}.{1}'.format(path, name))) + except ParseError as e: + if field and field.containing_oneof is None: + raise ParseError('Failed to parse {0} field: {1}.'.format(name, e)) + else: + raise ParseError(str(e)) + except ValueError as e: + raise ParseError('Failed to parse {0} field: {1}.'.format(name, e)) + except TypeError as e: + raise ParseError('Failed to parse {0} field: {1}.'.format(name, e)) + + def _ConvertAnyMessage(self, value, message, path): + """Convert a JSON representation into Any message.""" + if isinstance(value, dict) and not value: + return + try: + type_url = value['@type'] + except KeyError: + raise ParseError( + '@type is missing when parsing any message at {0}'.format(path)) + + try: + sub_message = _CreateMessageFromTypeUrl(type_url, self.descriptor_pool) + except TypeError as e: + raise ParseError('{0} at {1}'.format(e, path)) + message_descriptor = sub_message.DESCRIPTOR + full_name = message_descriptor.full_name + if _IsWrapperMessage(message_descriptor): + self._ConvertWrapperMessage(value['value'], sub_message, + '{0}.value'.format(path)) + elif full_name in _WKTJSONMETHODS: + methodcaller(_WKTJSONMETHODS[full_name][1], value['value'], sub_message, + '{0}.value'.format(path))( + self) + else: + del value['@type'] + self._ConvertFieldValuePair(value, sub_message, path) + value['@type'] = type_url + # Sets Any message + message.value = sub_message.SerializeToString() + message.type_url = type_url + + def _ConvertGenericMessage(self, value, message, path): + """Convert a JSON representation into message with FromJsonString.""" + # Duration, Timestamp, FieldMask have a FromJsonString method to do the + # conversion. Users can also call the method directly. + try: + message.FromJsonString(value) + except ValueError as e: + raise ParseError('{0} at {1}'.format(e, path)) + + def _ConvertValueMessage(self, value, message, path): + """Convert a JSON representation into Value message.""" + if isinstance(value, dict): + self._ConvertStructMessage(value, message.struct_value, path) + elif isinstance(value, list): + self._ConvertListValueMessage(value, message.list_value, path) + elif value is None: + message.null_value = 0 + elif isinstance(value, bool): + message.bool_value = value + elif isinstance(value, str): + message.string_value = value + elif isinstance(value, _INT_OR_FLOAT): + message.number_value = value + else: + raise ParseError('Value {0} has unexpected type {1} at {2}'.format( + value, type(value), path)) + + def _ConvertListValueMessage(self, value, message, path): + """Convert a JSON representation into ListValue message.""" + if not isinstance(value, list): + raise ParseError('ListValue must be in [] which is {0} at {1}'.format( + value, path)) + message.ClearField('values') + for index, item in enumerate(value): + self._ConvertValueMessage(item, message.values.add(), + '{0}[{1}]'.format(path, index)) + + def _ConvertStructMessage(self, value, message, path): + """Convert a JSON representation into Struct message.""" + if not isinstance(value, dict): + raise ParseError('Struct must be in a dict which is {0} at {1}'.format( + value, path)) + # Clear will mark the struct as modified so it will be created even if + # there are no values. + message.Clear() + for key in value: + self._ConvertValueMessage(value[key], message.fields[key], + '{0}.{1}'.format(path, key)) + return + + def _ConvertWrapperMessage(self, value, message, path): + """Convert a JSON representation into Wrapper message.""" + field = message.DESCRIPTOR.fields_by_name['value'] + setattr( + message, 'value', + _ConvertScalarFieldValue(value, field, path='{0}.value'.format(path))) + + def _ConvertMapFieldValue(self, value, message, field, path): + """Convert map field value for a message map field. + + Args: + value: A JSON object to convert the map field value. + message: A protocol message to record the converted data. + field: The descriptor of the map field to be converted. + path: parent path to log parse error info. + + Raises: + ParseError: In case of convert problems. + """ + if not isinstance(value, dict): + raise ParseError( + 'Map field {0} must be in a dict which is {1} at {2}'.format( + field.name, value, path)) + key_field = field.message_type.fields_by_name['key'] + value_field = field.message_type.fields_by_name['value'] + for key in value: + key_value = _ConvertScalarFieldValue(key, key_field, + '{0}.key'.format(path), True) + if value_field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + self.ConvertMessage(value[key], + getattr(message, field.name)[key_value], + '{0}[{1}]'.format(path, key_value)) + else: + getattr(message, field.name)[key_value] = _ConvertScalarFieldValue( + value[key], value_field, path='{0}[{1}]'.format(path, key_value)) + + +def _ConvertScalarFieldValue(value, field, path, require_str=False): + """Convert a single scalar field value. + + Args: + value: A scalar value to convert the scalar field value. + field: The descriptor of the field to convert. + path: parent path to log parse error info. + require_str: If True, the field value must be a str. + + Returns: + The converted scalar field value + + Raises: + ParseError: In case of convert problems. + """ + try: + if field.cpp_type in _INT_TYPES: + return _ConvertInteger(value) + elif field.cpp_type in _FLOAT_TYPES: + return _ConvertFloat(value, field) + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_BOOL: + return _ConvertBool(value, require_str) + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_STRING: + if field.type == descriptor.FieldDescriptor.TYPE_BYTES: + if isinstance(value, str): + encoded = value.encode('utf-8') + else: + encoded = value + # Add extra padding '=' + padded_value = encoded + b'=' * (4 - len(encoded) % 4) + return base64.urlsafe_b64decode(padded_value) + else: + # Checking for unpaired surrogates appears to be unreliable, + # depending on the specific Python version, so we check manually. + if _UNPAIRED_SURROGATE_PATTERN.search(value): + raise ParseError('Unpaired surrogate') + return value + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_ENUM: + # Convert an enum value. + enum_value = field.enum_type.values_by_name.get(value, None) + if enum_value is None: + try: + number = int(value) + enum_value = field.enum_type.values_by_number.get(number, None) + except ValueError: + raise ParseError('Invalid enum value {0} for enum type {1}'.format( + value, field.enum_type.full_name)) + if enum_value is None: + if field.file.syntax == 'proto3': + # Proto3 accepts unknown enums. + return number + raise ParseError('Invalid enum value {0} for enum type {1}'.format( + value, field.enum_type.full_name)) + return enum_value.number + except ParseError as e: + raise ParseError('{0} at {1}'.format(e, path)) + + +def _ConvertInteger(value): + """Convert an integer. + + Args: + value: A scalar value to convert. + + Returns: + The integer value. + + Raises: + ParseError: If an integer couldn't be consumed. + """ + if isinstance(value, float) and not value.is_integer(): + raise ParseError('Couldn\'t parse integer: {0}'.format(value)) + + if isinstance(value, str) and value.find(' ') != -1: + raise ParseError('Couldn\'t parse integer: "{0}"'.format(value)) + + if isinstance(value, bool): + raise ParseError('Bool value {0} is not acceptable for ' + 'integer field'.format(value)) + + return int(value) + + +def _ConvertFloat(value, field): + """Convert an floating point number.""" + if isinstance(value, float): + if math.isnan(value): + raise ParseError('Couldn\'t parse NaN, use quoted "NaN" instead') + if math.isinf(value): + if value > 0: + raise ParseError('Couldn\'t parse Infinity or value too large, ' + 'use quoted "Infinity" instead') + else: + raise ParseError('Couldn\'t parse -Infinity or value too small, ' + 'use quoted "-Infinity" instead') + if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_FLOAT: + # pylint: disable=protected-access + if value > type_checkers._FLOAT_MAX: + raise ParseError('Float value too large') + # pylint: disable=protected-access + if value < type_checkers._FLOAT_MIN: + raise ParseError('Float value too small') + if value == 'nan': + raise ParseError('Couldn\'t parse float "nan", use "NaN" instead') + try: + # Assume Python compatible syntax. + return float(value) + except ValueError: + # Check alternative spellings. + if value == _NEG_INFINITY: + return float('-inf') + elif value == _INFINITY: + return float('inf') + elif value == _NAN: + return float('nan') + else: + raise ParseError('Couldn\'t parse float: {0}'.format(value)) + + +def _ConvertBool(value, require_str): + """Convert a boolean value. + + Args: + value: A scalar value to convert. + require_str: If True, value must be a str. + + Returns: + The bool parsed. + + Raises: + ParseError: If a boolean value couldn't be consumed. + """ + if require_str: + if value == 'true': + return True + elif value == 'false': + return False + else: + raise ParseError('Expected "true" or "false", not {0}'.format(value)) + + if not isinstance(value, bool): + raise ParseError('Expected true or false without quotes') + return value + +_WKTJSONMETHODS = { + 'google.protobuf.Any': ['_AnyMessageToJsonObject', + '_ConvertAnyMessage'], + 'google.protobuf.Duration': ['_GenericMessageToJsonObject', + '_ConvertGenericMessage'], + 'google.protobuf.FieldMask': ['_GenericMessageToJsonObject', + '_ConvertGenericMessage'], + 'google.protobuf.ListValue': ['_ListValueMessageToJsonObject', + '_ConvertListValueMessage'], + 'google.protobuf.Struct': ['_StructMessageToJsonObject', + '_ConvertStructMessage'], + 'google.protobuf.Timestamp': ['_GenericMessageToJsonObject', + '_ConvertGenericMessage'], + 'google.protobuf.Value': ['_ValueMessageToJsonObject', + '_ConvertValueMessage'] +} diff --git a/venv/lib/python3.12/site-packages/google/protobuf/message.py b/venv/lib/python3.12/site-packages/google/protobuf/message.py new file mode 100644 index 0000000..76c6802 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/message.py @@ -0,0 +1,424 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# TODO(robinson): We should just make these methods all "pure-virtual" and move +# all implementation out, into reflection.py for now. + + +"""Contains an abstract base class for protocol messages.""" + +__author__ = 'robinson@google.com (Will Robinson)' + +class Error(Exception): + """Base error type for this module.""" + pass + + +class DecodeError(Error): + """Exception raised when deserializing messages.""" + pass + + +class EncodeError(Error): + """Exception raised when serializing messages.""" + pass + + +class Message(object): + + """Abstract base class for protocol messages. + + Protocol message classes are almost always generated by the protocol + compiler. These generated types subclass Message and implement the methods + shown below. + """ + + # TODO(robinson): Link to an HTML document here. + + # TODO(robinson): Document that instances of this class will also + # have an Extensions attribute with __getitem__ and __setitem__. + # Again, not sure how to best convey this. + + # TODO(robinson): Document that the class must also have a static + # RegisterExtension(extension_field) method. + # Not sure how to best express at this point. + + # TODO(robinson): Document these fields and methods. + + __slots__ = [] + + #: The :class:`google.protobuf.descriptor.Descriptor` for this message type. + DESCRIPTOR = None + + def __deepcopy__(self, memo=None): + clone = type(self)() + clone.MergeFrom(self) + return clone + + def __eq__(self, other_msg): + """Recursively compares two messages by value and structure.""" + raise NotImplementedError + + def __ne__(self, other_msg): + # Can't just say self != other_msg, since that would infinitely recurse. :) + return not self == other_msg + + def __hash__(self): + raise TypeError('unhashable object') + + def __str__(self): + """Outputs a human-readable representation of the message.""" + raise NotImplementedError + + def __unicode__(self): + """Outputs a human-readable representation of the message.""" + raise NotImplementedError + + def MergeFrom(self, other_msg): + """Merges the contents of the specified message into current message. + + This method merges the contents of the specified message into the current + message. Singular fields that are set in the specified message overwrite + the corresponding fields in the current message. Repeated fields are + appended. Singular sub-messages and groups are recursively merged. + + Args: + other_msg (Message): A message to merge into the current message. + """ + raise NotImplementedError + + def CopyFrom(self, other_msg): + """Copies the content of the specified message into the current message. + + The method clears the current message and then merges the specified + message using MergeFrom. + + Args: + other_msg (Message): A message to copy into the current one. + """ + if self is other_msg: + return + self.Clear() + self.MergeFrom(other_msg) + + def Clear(self): + """Clears all data that was set in the message.""" + raise NotImplementedError + + def SetInParent(self): + """Mark this as present in the parent. + + This normally happens automatically when you assign a field of a + sub-message, but sometimes you want to make the sub-message + present while keeping it empty. If you find yourself using this, + you may want to reconsider your design. + """ + raise NotImplementedError + + def IsInitialized(self): + """Checks if the message is initialized. + + Returns: + bool: The method returns True if the message is initialized (i.e. all of + its required fields are set). + """ + raise NotImplementedError + + # TODO(robinson): MergeFromString() should probably return None and be + # implemented in terms of a helper that returns the # of bytes read. Our + # deserialization routines would use the helper when recursively + # deserializing, but the end user would almost always just want the no-return + # MergeFromString(). + + def MergeFromString(self, serialized): + """Merges serialized protocol buffer data into this message. + + When we find a field in `serialized` that is already present + in this message: + + - If it's a "repeated" field, we append to the end of our list. + - Else, if it's a scalar, we overwrite our field. + - Else, (it's a nonrepeated composite), we recursively merge + into the existing composite. + + Args: + serialized (bytes): Any object that allows us to call + ``memoryview(serialized)`` to access a string of bytes using the + buffer interface. + + Returns: + int: The number of bytes read from `serialized`. + For non-group messages, this will always be `len(serialized)`, + but for messages which are actually groups, this will + generally be less than `len(serialized)`, since we must + stop when we reach an ``END_GROUP`` tag. Note that if + we *do* stop because of an ``END_GROUP`` tag, the number + of bytes returned does not include the bytes + for the ``END_GROUP`` tag information. + + Raises: + DecodeError: if the input cannot be parsed. + """ + # TODO(robinson): Document handling of unknown fields. + # TODO(robinson): When we switch to a helper, this will return None. + raise NotImplementedError + + def ParseFromString(self, serialized): + """Parse serialized protocol buffer data into this message. + + Like :func:`MergeFromString()`, except we clear the object first. + + Raises: + message.DecodeError if the input cannot be parsed. + """ + self.Clear() + return self.MergeFromString(serialized) + + def SerializeToString(self, **kwargs): + """Serializes the protocol message to a binary string. + + Keyword Args: + deterministic (bool): If true, requests deterministic serialization + of the protobuf, with predictable ordering of map keys. + + Returns: + A binary string representation of the message if all of the required + fields in the message are set (i.e. the message is initialized). + + Raises: + EncodeError: if the message isn't initialized (see :func:`IsInitialized`). + """ + raise NotImplementedError + + def SerializePartialToString(self, **kwargs): + """Serializes the protocol message to a binary string. + + This method is similar to SerializeToString but doesn't check if the + message is initialized. + + Keyword Args: + deterministic (bool): If true, requests deterministic serialization + of the protobuf, with predictable ordering of map keys. + + Returns: + bytes: A serialized representation of the partial message. + """ + raise NotImplementedError + + # TODO(robinson): Decide whether we like these better + # than auto-generated has_foo() and clear_foo() methods + # on the instances themselves. This way is less consistent + # with C++, but it makes reflection-type access easier and + # reduces the number of magically autogenerated things. + # + # TODO(robinson): Be sure to document (and test) exactly + # which field names are accepted here. Are we case-sensitive? + # What do we do with fields that share names with Python keywords + # like 'lambda' and 'yield'? + # + # nnorwitz says: + # """ + # Typically (in python), an underscore is appended to names that are + # keywords. So they would become lambda_ or yield_. + # """ + def ListFields(self): + """Returns a list of (FieldDescriptor, value) tuples for present fields. + + A message field is non-empty if HasField() would return true. A singular + primitive field is non-empty if HasField() would return true in proto2 or it + is non zero in proto3. A repeated field is non-empty if it contains at least + one element. The fields are ordered by field number. + + Returns: + list[tuple(FieldDescriptor, value)]: field descriptors and values + for all fields in the message which are not empty. The values vary by + field type. + """ + raise NotImplementedError + + def HasField(self, field_name): + """Checks if a certain field is set for the message. + + For a oneof group, checks if any field inside is set. Note that if the + field_name is not defined in the message descriptor, :exc:`ValueError` will + be raised. + + Args: + field_name (str): The name of the field to check for presence. + + Returns: + bool: Whether a value has been set for the named field. + + Raises: + ValueError: if the `field_name` is not a member of this message. + """ + raise NotImplementedError + + def ClearField(self, field_name): + """Clears the contents of a given field. + + Inside a oneof group, clears the field set. If the name neither refers to a + defined field or oneof group, :exc:`ValueError` is raised. + + Args: + field_name (str): The name of the field to check for presence. + + Raises: + ValueError: if the `field_name` is not a member of this message. + """ + raise NotImplementedError + + def WhichOneof(self, oneof_group): + """Returns the name of the field that is set inside a oneof group. + + If no field is set, returns None. + + Args: + oneof_group (str): the name of the oneof group to check. + + Returns: + str or None: The name of the group that is set, or None. + + Raises: + ValueError: no group with the given name exists + """ + raise NotImplementedError + + def HasExtension(self, extension_handle): + """Checks if a certain extension is present for this message. + + Extensions are retrieved using the :attr:`Extensions` mapping (if present). + + Args: + extension_handle: The handle for the extension to check. + + Returns: + bool: Whether the extension is present for this message. + + Raises: + KeyError: if the extension is repeated. Similar to repeated fields, + there is no separate notion of presence: a "not present" repeated + extension is an empty list. + """ + raise NotImplementedError + + def ClearExtension(self, extension_handle): + """Clears the contents of a given extension. + + Args: + extension_handle: The handle for the extension to clear. + """ + raise NotImplementedError + + def UnknownFields(self): + """Returns the UnknownFieldSet. + + Returns: + UnknownFieldSet: The unknown fields stored in this message. + """ + raise NotImplementedError + + def DiscardUnknownFields(self): + """Clears all fields in the :class:`UnknownFieldSet`. + + This operation is recursive for nested message. + """ + raise NotImplementedError + + def ByteSize(self): + """Returns the serialized size of this message. + + Recursively calls ByteSize() on all contained messages. + + Returns: + int: The number of bytes required to serialize this message. + """ + raise NotImplementedError + + @classmethod + def FromString(cls, s): + raise NotImplementedError + + @staticmethod + def RegisterExtension(extension_handle): + raise NotImplementedError + + def _SetListener(self, message_listener): + """Internal method used by the protocol message implementation. + Clients should not call this directly. + + Sets a listener that this message will call on certain state transitions. + + The purpose of this method is to register back-edges from children to + parents at runtime, for the purpose of setting "has" bits and + byte-size-dirty bits in the parent and ancestor objects whenever a child or + descendant object is modified. + + If the client wants to disconnect this Message from the object tree, she + explicitly sets callback to None. + + If message_listener is None, unregisters any existing listener. Otherwise, + message_listener must implement the MessageListener interface in + internal/message_listener.py, and we discard any listener registered + via a previous _SetListener() call. + """ + raise NotImplementedError + + def __getstate__(self): + """Support the pickle protocol.""" + return dict(serialized=self.SerializePartialToString()) + + def __setstate__(self, state): + """Support the pickle protocol.""" + self.__init__() + serialized = state['serialized'] + # On Python 3, using encoding='latin1' is required for unpickling + # protos pickled by Python 2. + if not isinstance(serialized, bytes): + serialized = serialized.encode('latin1') + self.ParseFromString(serialized) + + def __reduce__(self): + message_descriptor = self.DESCRIPTOR + if message_descriptor.containing_type is None: + return type(self), (), self.__getstate__() + # the message type must be nested. + # Python does not pickle nested classes; use the symbol_database on the + # receiving end. + container = message_descriptor + return (_InternalConstructMessage, (container.full_name,), + self.__getstate__()) + + +def _InternalConstructMessage(full_name): + """Constructs a nested message.""" + from google.protobuf import symbol_database # pylint:disable=g-import-not-at-top + + return symbol_database.Default().GetSymbol(full_name)() diff --git a/venv/lib/python3.12/site-packages/google/protobuf/message_factory.py b/venv/lib/python3.12/site-packages/google/protobuf/message_factory.py new file mode 100644 index 0000000..8d65204 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/message_factory.py @@ -0,0 +1,189 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Provides a factory class for generating dynamic messages. + +The easiest way to use this class is if you have access to the FileDescriptor +protos containing the messages you want to create you can just do the following: + +message_classes = message_factory.GetMessages(iterable_of_file_descriptors) +my_proto_instance = message_classes['some.proto.package.MessageName']() +""" + +__author__ = 'matthewtoia@google.com (Matt Toia)' + +from google.protobuf.internal import api_implementation +from google.protobuf import descriptor_pool +from google.protobuf import message + +if api_implementation.Type() == 'python': + from google.protobuf.internal import python_message as message_impl +else: + from google.protobuf.pyext import cpp_message as message_impl # pylint: disable=g-import-not-at-top + + +# The type of all Message classes. +_GENERATED_PROTOCOL_MESSAGE_TYPE = message_impl.GeneratedProtocolMessageType + + +class MessageFactory(object): + """Factory for creating Proto2 messages from descriptors in a pool.""" + + def __init__(self, pool=None): + """Initializes a new factory.""" + self.pool = pool or descriptor_pool.DescriptorPool() + + # local cache of all classes built from protobuf descriptors + self._classes = {} + + def GetPrototype(self, descriptor): + """Obtains a proto2 message class based on the passed in descriptor. + + Passing a descriptor with a fully qualified name matching a previous + invocation will cause the same class to be returned. + + Args: + descriptor: The descriptor to build from. + + Returns: + A class describing the passed in descriptor. + """ + if descriptor not in self._classes: + result_class = self.CreatePrototype(descriptor) + # The assignment to _classes is redundant for the base implementation, but + # might avoid confusion in cases where CreatePrototype gets overridden and + # does not call the base implementation. + self._classes[descriptor] = result_class + return result_class + return self._classes[descriptor] + + def CreatePrototype(self, descriptor): + """Builds a proto2 message class based on the passed in descriptor. + + Don't call this function directly, it always creates a new class. Call + GetPrototype() instead. This method is meant to be overridden in subblasses + to perform additional operations on the newly constructed class. + + Args: + descriptor: The descriptor to build from. + + Returns: + A class describing the passed in descriptor. + """ + descriptor_name = descriptor.name + result_class = _GENERATED_PROTOCOL_MESSAGE_TYPE( + descriptor_name, + (message.Message,), + { + 'DESCRIPTOR': descriptor, + # If module not set, it wrongly points to message_factory module. + '__module__': None, + }) + result_class._FACTORY = self # pylint: disable=protected-access + # Assign in _classes before doing recursive calls to avoid infinite + # recursion. + self._classes[descriptor] = result_class + for field in descriptor.fields: + if field.message_type: + self.GetPrototype(field.message_type) + for extension in result_class.DESCRIPTOR.extensions: + if extension.containing_type not in self._classes: + self.GetPrototype(extension.containing_type) + extended_class = self._classes[extension.containing_type] + extended_class.RegisterExtension(extension) + if extension.message_type: + self.GetPrototype(extension.message_type) + return result_class + + def GetMessages(self, files): + """Gets all the messages from a specified file. + + This will find and resolve dependencies, failing if the descriptor + pool cannot satisfy them. + + Args: + files: The file names to extract messages from. + + Returns: + A dictionary mapping proto names to the message classes. This will include + any dependent messages as well as any messages defined in the same file as + a specified message. + """ + result = {} + for file_name in files: + file_desc = self.pool.FindFileByName(file_name) + for desc in file_desc.message_types_by_name.values(): + result[desc.full_name] = self.GetPrototype(desc) + + # While the extension FieldDescriptors are created by the descriptor pool, + # the python classes created in the factory need them to be registered + # explicitly, which is done below. + # + # The call to RegisterExtension will specifically check if the + # extension was already registered on the object and either + # ignore the registration if the original was the same, or raise + # an error if they were different. + + for extension in file_desc.extensions_by_name.values(): + if extension.containing_type not in self._classes: + self.GetPrototype(extension.containing_type) + extended_class = self._classes[extension.containing_type] + extended_class.RegisterExtension(extension) + if extension.message_type: + self.GetPrototype(extension.message_type) + return result + + +_FACTORY = MessageFactory() + + +def GetMessages(file_protos): + """Builds a dictionary of all the messages available in a set of files. + + Args: + file_protos: Iterable of FileDescriptorProto to build messages out of. + + Returns: + A dictionary mapping proto names to the message classes. This will include + any dependent messages as well as any messages defined in the same file as + a specified message. + """ + # The cpp implementation of the protocol buffer library requires to add the + # message in topological order of the dependency graph. + file_by_name = {file_proto.name: file_proto for file_proto in file_protos} + def _AddFile(file_proto): + for dependency in file_proto.dependency: + if dependency in file_by_name: + # Remove from elements to be visited, in order to cut cycles. + _AddFile(file_by_name.pop(dependency)) + _FACTORY.pool.Add(file_proto) + while file_by_name: + _AddFile(file_by_name.popitem()[1]) + return _FACTORY.GetMessages([file_proto.name for file_proto in file_protos]) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/proto_builder.py b/venv/lib/python3.12/site-packages/google/protobuf/proto_builder.py new file mode 100644 index 0000000..a4667ce --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/proto_builder.py @@ -0,0 +1,134 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Dynamic Protobuf class creator.""" + +from collections import OrderedDict +import hashlib +import os + +from google.protobuf import descriptor_pb2 +from google.protobuf import descriptor +from google.protobuf import message_factory + + +def _GetMessageFromFactory(factory, full_name): + """Get a proto class from the MessageFactory by name. + + Args: + factory: a MessageFactory instance. + full_name: str, the fully qualified name of the proto type. + Returns: + A class, for the type identified by full_name. + Raises: + KeyError, if the proto is not found in the factory's descriptor pool. + """ + proto_descriptor = factory.pool.FindMessageTypeByName(full_name) + proto_cls = factory.GetPrototype(proto_descriptor) + return proto_cls + + +def MakeSimpleProtoClass(fields, full_name=None, pool=None): + """Create a Protobuf class whose fields are basic types. + + Note: this doesn't validate field names! + + Args: + fields: dict of {name: field_type} mappings for each field in the proto. If + this is an OrderedDict the order will be maintained, otherwise the + fields will be sorted by name. + full_name: optional str, the fully-qualified name of the proto type. + pool: optional DescriptorPool instance. + Returns: + a class, the new protobuf class with a FileDescriptor. + """ + factory = message_factory.MessageFactory(pool=pool) + + if full_name is not None: + try: + proto_cls = _GetMessageFromFactory(factory, full_name) + return proto_cls + except KeyError: + # The factory's DescriptorPool doesn't know about this class yet. + pass + + # Get a list of (name, field_type) tuples from the fields dict. If fields was + # an OrderedDict we keep the order, but otherwise we sort the field to ensure + # consistent ordering. + field_items = fields.items() + if not isinstance(fields, OrderedDict): + field_items = sorted(field_items) + + # Use a consistent file name that is unlikely to conflict with any imported + # proto files. + fields_hash = hashlib.sha1() + for f_name, f_type in field_items: + fields_hash.update(f_name.encode('utf-8')) + fields_hash.update(str(f_type).encode('utf-8')) + proto_file_name = fields_hash.hexdigest() + '.proto' + + # If the proto is anonymous, use the same hash to name it. + if full_name is None: + full_name = ('net.proto2.python.public.proto_builder.AnonymousProto_' + + fields_hash.hexdigest()) + try: + proto_cls = _GetMessageFromFactory(factory, full_name) + return proto_cls + except KeyError: + # The factory's DescriptorPool doesn't know about this class yet. + pass + + # This is the first time we see this proto: add a new descriptor to the pool. + factory.pool.Add( + _MakeFileDescriptorProto(proto_file_name, full_name, field_items)) + return _GetMessageFromFactory(factory, full_name) + + +def _MakeFileDescriptorProto(proto_file_name, full_name, field_items): + """Populate FileDescriptorProto for MessageFactory's DescriptorPool.""" + package, name = full_name.rsplit('.', 1) + file_proto = descriptor_pb2.FileDescriptorProto() + file_proto.name = os.path.join(package.replace('.', '/'), proto_file_name) + file_proto.package = package + desc_proto = file_proto.message_type.add() + desc_proto.name = name + for f_number, (f_name, f_type) in enumerate(field_items, 1): + field_proto = desc_proto.field.add() + field_proto.name = f_name + # # If the number falls in the reserved range, reassign it to the correct + # # number after the range. + if f_number >= descriptor.FieldDescriptor.FIRST_RESERVED_FIELD_NUMBER: + f_number += ( + descriptor.FieldDescriptor.LAST_RESERVED_FIELD_NUMBER - + descriptor.FieldDescriptor.FIRST_RESERVED_FIELD_NUMBER + 1) + field_proto.number = f_number + field_proto.label = descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL + field_proto.type = f_type + return file_proto diff --git a/venv/lib/python3.12/site-packages/google/protobuf/pyext/__init__.py b/venv/lib/python3.12/site-packages/google/protobuf/pyext/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/google/protobuf/pyext/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/pyext/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..2e06971 Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/pyext/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/pyext/__pycache__/cpp_message.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/pyext/__pycache__/cpp_message.cpython-312.pyc new file mode 100644 index 0000000..fa87f6b Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/pyext/__pycache__/cpp_message.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py b/venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py new file mode 100644 index 0000000..ca29029 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py @@ -0,0 +1,72 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Protocol message implementation hooks for C++ implementation. + +Contains helper functions used to create protocol message classes from +Descriptor objects at runtime backed by the protocol buffer C++ API. +""" + +__author__ = 'tibell@google.com (Johan Tibell)' + +from google.protobuf.internal import api_implementation + + +# pylint: disable=protected-access +_message = api_implementation._c_module +# TODO(jieluo): Remove this import after fix api_implementation +if _message is None: + from google.protobuf.pyext import _message + + +class GeneratedProtocolMessageType(_message.MessageMeta): + + """Metaclass for protocol message classes created at runtime from Descriptors. + + The protocol compiler currently uses this metaclass to create protocol + message classes at runtime. Clients can also manually create their own + classes at runtime, as in this example: + + mydescriptor = Descriptor(.....) + factory = symbol_database.Default() + factory.pool.AddDescriptor(mydescriptor) + MyProtoClass = factory.GetPrototype(mydescriptor) + myproto_instance = MyProtoClass() + myproto.foo_field = 23 + ... + + The above example will not work for nested types. If you wish to include them, + use reflection.MakeClass() instead of manually instantiating the class in + order to create the appropriate class structure. + """ + + # Must be consistent with the protocol-compiler code in + # proto2/compiler/internal/generator.*. + _DESCRIPTOR_KEY = 'DESCRIPTOR' diff --git a/venv/lib/python3.12/site-packages/google/protobuf/reflection.py b/venv/lib/python3.12/site-packages/google/protobuf/reflection.py new file mode 100644 index 0000000..81e1885 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/reflection.py @@ -0,0 +1,95 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# This code is meant to work on Python 2.4 and above only. + +"""Contains a metaclass and helper functions used to create +protocol message classes from Descriptor objects at runtime. + +Recall that a metaclass is the "type" of a class. +(A class is to a metaclass what an instance is to a class.) + +In this case, we use the GeneratedProtocolMessageType metaclass +to inject all the useful functionality into the classes +output by the protocol compiler at compile-time. + +The upshot of all this is that the real implementation +details for ALL pure-Python protocol buffers are *here in +this file*. +""" + +__author__ = 'robinson@google.com (Will Robinson)' + + +from google.protobuf import message_factory +from google.protobuf import symbol_database + +# The type of all Message classes. +# Part of the public interface, but normally only used by message factories. +GeneratedProtocolMessageType = message_factory._GENERATED_PROTOCOL_MESSAGE_TYPE + +MESSAGE_CLASS_CACHE = {} + + +# Deprecated. Please NEVER use reflection.ParseMessage(). +def ParseMessage(descriptor, byte_str): + """Generate a new Message instance from this Descriptor and a byte string. + + DEPRECATED: ParseMessage is deprecated because it is using MakeClass(). + Please use MessageFactory.GetPrototype() instead. + + Args: + descriptor: Protobuf Descriptor object + byte_str: Serialized protocol buffer byte string + + Returns: + Newly created protobuf Message object. + """ + result_class = MakeClass(descriptor) + new_msg = result_class() + new_msg.ParseFromString(byte_str) + return new_msg + + +# Deprecated. Please NEVER use reflection.MakeClass(). +def MakeClass(descriptor): + """Construct a class object for a protobuf described by descriptor. + + DEPRECATED: use MessageFactory.GetPrototype() instead. + + Args: + descriptor: A descriptor.Descriptor object describing the protobuf. + Returns: + The Message class object described by the descriptor. + """ + # Original implementation leads to duplicate message classes, which won't play + # well with extensions. Message factory info is also missing. + # Redirect to message_factory. + return symbol_database.Default().GetPrototype(descriptor) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/service.py b/venv/lib/python3.12/site-packages/google/protobuf/service.py new file mode 100644 index 0000000..5625246 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/service.py @@ -0,0 +1,228 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""DEPRECATED: Declares the RPC service interfaces. + +This module declares the abstract interfaces underlying proto2 RPC +services. These are intended to be independent of any particular RPC +implementation, so that proto2 services can be used on top of a variety +of implementations. Starting with version 2.3.0, RPC implementations should +not try to build on these, but should instead provide code generator plugins +which generate code specific to the particular RPC implementation. This way +the generated code can be more appropriate for the implementation in use +and can avoid unnecessary layers of indirection. +""" + +__author__ = 'petar@google.com (Petar Petrov)' + + +class RpcException(Exception): + """Exception raised on failed blocking RPC method call.""" + pass + + +class Service(object): + + """Abstract base interface for protocol-buffer-based RPC services. + + Services themselves are abstract classes (implemented either by servers or as + stubs), but they subclass this base interface. The methods of this + interface can be used to call the methods of the service without knowing + its exact type at compile time (analogous to the Message interface). + """ + + def GetDescriptor(): + """Retrieves this service's descriptor.""" + raise NotImplementedError + + def CallMethod(self, method_descriptor, rpc_controller, + request, done): + """Calls a method of the service specified by method_descriptor. + + If "done" is None then the call is blocking and the response + message will be returned directly. Otherwise the call is asynchronous + and "done" will later be called with the response value. + + In the blocking case, RpcException will be raised on error. + + Preconditions: + + * method_descriptor.service == GetDescriptor + * request is of the exact same classes as returned by + GetRequestClass(method). + * After the call has started, the request must not be modified. + * "rpc_controller" is of the correct type for the RPC implementation being + used by this Service. For stubs, the "correct type" depends on the + RpcChannel which the stub is using. + + Postconditions: + + * "done" will be called when the method is complete. This may be + before CallMethod() returns or it may be at some point in the future. + * If the RPC failed, the response value passed to "done" will be None. + Further details about the failure can be found by querying the + RpcController. + """ + raise NotImplementedError + + def GetRequestClass(self, method_descriptor): + """Returns the class of the request message for the specified method. + + CallMethod() requires that the request is of a particular subclass of + Message. GetRequestClass() gets the default instance of this required + type. + + Example: + method = service.GetDescriptor().FindMethodByName("Foo") + request = stub.GetRequestClass(method)() + request.ParseFromString(input) + service.CallMethod(method, request, callback) + """ + raise NotImplementedError + + def GetResponseClass(self, method_descriptor): + """Returns the class of the response message for the specified method. + + This method isn't really needed, as the RpcChannel's CallMethod constructs + the response protocol message. It's provided anyway in case it is useful + for the caller to know the response type in advance. + """ + raise NotImplementedError + + +class RpcController(object): + + """An RpcController mediates a single method call. + + The primary purpose of the controller is to provide a way to manipulate + settings specific to the RPC implementation and to find out about RPC-level + errors. The methods provided by the RpcController interface are intended + to be a "least common denominator" set of features which we expect all + implementations to support. Specific implementations may provide more + advanced features (e.g. deadline propagation). + """ + + # Client-side methods below + + def Reset(self): + """Resets the RpcController to its initial state. + + After the RpcController has been reset, it may be reused in + a new call. Must not be called while an RPC is in progress. + """ + raise NotImplementedError + + def Failed(self): + """Returns true if the call failed. + + After a call has finished, returns true if the call failed. The possible + reasons for failure depend on the RPC implementation. Failed() must not + be called before a call has finished. If Failed() returns true, the + contents of the response message are undefined. + """ + raise NotImplementedError + + def ErrorText(self): + """If Failed is true, returns a human-readable description of the error.""" + raise NotImplementedError + + def StartCancel(self): + """Initiate cancellation. + + Advises the RPC system that the caller desires that the RPC call be + canceled. The RPC system may cancel it immediately, may wait awhile and + then cancel it, or may not even cancel the call at all. If the call is + canceled, the "done" callback will still be called and the RpcController + will indicate that the call failed at that time. + """ + raise NotImplementedError + + # Server-side methods below + + def SetFailed(self, reason): + """Sets a failure reason. + + Causes Failed() to return true on the client side. "reason" will be + incorporated into the message returned by ErrorText(). If you find + you need to return machine-readable information about failures, you + should incorporate it into your response protocol buffer and should + NOT call SetFailed(). + """ + raise NotImplementedError + + def IsCanceled(self): + """Checks if the client cancelled the RPC. + + If true, indicates that the client canceled the RPC, so the server may + as well give up on replying to it. The server should still call the + final "done" callback. + """ + raise NotImplementedError + + def NotifyOnCancel(self, callback): + """Sets a callback to invoke on cancel. + + Asks that the given callback be called when the RPC is canceled. The + callback will always be called exactly once. If the RPC completes without + being canceled, the callback will be called after completion. If the RPC + has already been canceled when NotifyOnCancel() is called, the callback + will be called immediately. + + NotifyOnCancel() must be called no more than once per request. + """ + raise NotImplementedError + + +class RpcChannel(object): + + """Abstract interface for an RPC channel. + + An RpcChannel represents a communication line to a service which can be used + to call that service's methods. The service may be running on another + machine. Normally, you should not use an RpcChannel directly, but instead + construct a stub {@link Service} wrapping it. Example: + + Example: + RpcChannel channel = rpcImpl.Channel("remotehost.example.com:1234") + RpcController controller = rpcImpl.Controller() + MyService service = MyService_Stub(channel) + service.MyMethod(controller, request, callback) + """ + + def CallMethod(self, method_descriptor, rpc_controller, + request, response_class, done): + """Calls the method identified by the descriptor. + + Call the given method of the remote service. The signature of this + procedure looks the same as Service.CallMethod(), but the requirements + are less strict in one important way: the request object doesn't have to + be of any specific class as long as its descriptor is method.input_type. + """ + raise NotImplementedError diff --git a/venv/lib/python3.12/site-packages/google/protobuf/service_reflection.py b/venv/lib/python3.12/site-packages/google/protobuf/service_reflection.py new file mode 100644 index 0000000..f82ab71 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/service_reflection.py @@ -0,0 +1,295 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Contains metaclasses used to create protocol service and service stub +classes from ServiceDescriptor objects at runtime. + +The GeneratedServiceType and GeneratedServiceStubType metaclasses are used to +inject all useful functionality into the classes output by the protocol +compiler at compile-time. +""" + +__author__ = 'petar@google.com (Petar Petrov)' + + +class GeneratedServiceType(type): + + """Metaclass for service classes created at runtime from ServiceDescriptors. + + Implementations for all methods described in the Service class are added here + by this class. We also create properties to allow getting/setting all fields + in the protocol message. + + The protocol compiler currently uses this metaclass to create protocol service + classes at runtime. Clients can also manually create their own classes at + runtime, as in this example:: + + mydescriptor = ServiceDescriptor(.....) + class MyProtoService(service.Service): + __metaclass__ = GeneratedServiceType + DESCRIPTOR = mydescriptor + myservice_instance = MyProtoService() + # ... + """ + + _DESCRIPTOR_KEY = 'DESCRIPTOR' + + def __init__(cls, name, bases, dictionary): + """Creates a message service class. + + Args: + name: Name of the class (ignored, but required by the metaclass + protocol). + bases: Base classes of the class being constructed. + dictionary: The class dictionary of the class being constructed. + dictionary[_DESCRIPTOR_KEY] must contain a ServiceDescriptor object + describing this protocol service type. + """ + # Don't do anything if this class doesn't have a descriptor. This happens + # when a service class is subclassed. + if GeneratedServiceType._DESCRIPTOR_KEY not in dictionary: + return + + descriptor = dictionary[GeneratedServiceType._DESCRIPTOR_KEY] + service_builder = _ServiceBuilder(descriptor) + service_builder.BuildService(cls) + cls.DESCRIPTOR = descriptor + + +class GeneratedServiceStubType(GeneratedServiceType): + + """Metaclass for service stubs created at runtime from ServiceDescriptors. + + This class has similar responsibilities as GeneratedServiceType, except that + it creates the service stub classes. + """ + + _DESCRIPTOR_KEY = 'DESCRIPTOR' + + def __init__(cls, name, bases, dictionary): + """Creates a message service stub class. + + Args: + name: Name of the class (ignored, here). + bases: Base classes of the class being constructed. + dictionary: The class dictionary of the class being constructed. + dictionary[_DESCRIPTOR_KEY] must contain a ServiceDescriptor object + describing this protocol service type. + """ + super(GeneratedServiceStubType, cls).__init__(name, bases, dictionary) + # Don't do anything if this class doesn't have a descriptor. This happens + # when a service stub is subclassed. + if GeneratedServiceStubType._DESCRIPTOR_KEY not in dictionary: + return + + descriptor = dictionary[GeneratedServiceStubType._DESCRIPTOR_KEY] + service_stub_builder = _ServiceStubBuilder(descriptor) + service_stub_builder.BuildServiceStub(cls) + + +class _ServiceBuilder(object): + + """This class constructs a protocol service class using a service descriptor. + + Given a service descriptor, this class constructs a class that represents + the specified service descriptor. One service builder instance constructs + exactly one service class. That means all instances of that class share the + same builder. + """ + + def __init__(self, service_descriptor): + """Initializes an instance of the service class builder. + + Args: + service_descriptor: ServiceDescriptor to use when constructing the + service class. + """ + self.descriptor = service_descriptor + + def BuildService(builder, cls): + """Constructs the service class. + + Args: + cls: The class that will be constructed. + """ + + # CallMethod needs to operate with an instance of the Service class. This + # internal wrapper function exists only to be able to pass the service + # instance to the method that does the real CallMethod work. + # Making sure to use exact argument names from the abstract interface in + # service.py to match the type signature + def _WrapCallMethod(self, method_descriptor, rpc_controller, request, done): + return builder._CallMethod(self, method_descriptor, rpc_controller, + request, done) + + def _WrapGetRequestClass(self, method_descriptor): + return builder._GetRequestClass(method_descriptor) + + def _WrapGetResponseClass(self, method_descriptor): + return builder._GetResponseClass(method_descriptor) + + builder.cls = cls + cls.CallMethod = _WrapCallMethod + cls.GetDescriptor = staticmethod(lambda: builder.descriptor) + cls.GetDescriptor.__doc__ = 'Returns the service descriptor.' + cls.GetRequestClass = _WrapGetRequestClass + cls.GetResponseClass = _WrapGetResponseClass + for method in builder.descriptor.methods: + setattr(cls, method.name, builder._GenerateNonImplementedMethod(method)) + + def _CallMethod(self, srvc, method_descriptor, + rpc_controller, request, callback): + """Calls the method described by a given method descriptor. + + Args: + srvc: Instance of the service for which this method is called. + method_descriptor: Descriptor that represent the method to call. + rpc_controller: RPC controller to use for this method's execution. + request: Request protocol message. + callback: A callback to invoke after the method has completed. + """ + if method_descriptor.containing_service != self.descriptor: + raise RuntimeError( + 'CallMethod() given method descriptor for wrong service type.') + method = getattr(srvc, method_descriptor.name) + return method(rpc_controller, request, callback) + + def _GetRequestClass(self, method_descriptor): + """Returns the class of the request protocol message. + + Args: + method_descriptor: Descriptor of the method for which to return the + request protocol message class. + + Returns: + A class that represents the input protocol message of the specified + method. + """ + if method_descriptor.containing_service != self.descriptor: + raise RuntimeError( + 'GetRequestClass() given method descriptor for wrong service type.') + return method_descriptor.input_type._concrete_class + + def _GetResponseClass(self, method_descriptor): + """Returns the class of the response protocol message. + + Args: + method_descriptor: Descriptor of the method for which to return the + response protocol message class. + + Returns: + A class that represents the output protocol message of the specified + method. + """ + if method_descriptor.containing_service != self.descriptor: + raise RuntimeError( + 'GetResponseClass() given method descriptor for wrong service type.') + return method_descriptor.output_type._concrete_class + + def _GenerateNonImplementedMethod(self, method): + """Generates and returns a method that can be set for a service methods. + + Args: + method: Descriptor of the service method for which a method is to be + generated. + + Returns: + A method that can be added to the service class. + """ + return lambda inst, rpc_controller, request, callback: ( + self._NonImplementedMethod(method.name, rpc_controller, callback)) + + def _NonImplementedMethod(self, method_name, rpc_controller, callback): + """The body of all methods in the generated service class. + + Args: + method_name: Name of the method being executed. + rpc_controller: RPC controller used to execute this method. + callback: A callback which will be invoked when the method finishes. + """ + rpc_controller.SetFailed('Method %s not implemented.' % method_name) + callback(None) + + +class _ServiceStubBuilder(object): + + """Constructs a protocol service stub class using a service descriptor. + + Given a service descriptor, this class constructs a suitable stub class. + A stub is just a type-safe wrapper around an RpcChannel which emulates a + local implementation of the service. + + One service stub builder instance constructs exactly one class. It means all + instances of that class share the same service stub builder. + """ + + def __init__(self, service_descriptor): + """Initializes an instance of the service stub class builder. + + Args: + service_descriptor: ServiceDescriptor to use when constructing the + stub class. + """ + self.descriptor = service_descriptor + + def BuildServiceStub(self, cls): + """Constructs the stub class. + + Args: + cls: The class that will be constructed. + """ + + def _ServiceStubInit(stub, rpc_channel): + stub.rpc_channel = rpc_channel + self.cls = cls + cls.__init__ = _ServiceStubInit + for method in self.descriptor.methods: + setattr(cls, method.name, self._GenerateStubMethod(method)) + + def _GenerateStubMethod(self, method): + return (lambda inst, rpc_controller, request, callback=None: + self._StubMethod(inst, method, rpc_controller, request, callback)) + + def _StubMethod(self, stub, method_descriptor, + rpc_controller, request, callback): + """The body of all service methods in the generated stub class. + + Args: + stub: Stub instance. + method_descriptor: Descriptor of the invoked method. + rpc_controller: Rpc controller to execute the method. + request: Request protocol message. + callback: A callback to execute when the method finishes. + Returns: + Response message (in case of blocking call). + """ + return stub.rpc_channel.CallMethod( + method_descriptor, rpc_controller, request, + method_descriptor.output_type._concrete_class, callback) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/source_context_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/source_context_pb2.py new file mode 100644 index 0000000..7a6d0c1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/source_context_pb2.py @@ -0,0 +1,26 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/source_context.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n$google/protobuf/source_context.proto\x12\x0fgoogle.protobuf\",\n\rSourceContext\x12\x1b\n\tfile_name\x18\x01 \x01(\tR\x08\x66ileNameB\x8a\x01\n\x13\x63om.google.protobufB\x12SourceContextProtoP\x01Z6google.golang.org/protobuf/types/known/sourcecontextpb\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.source_context_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\022SourceContextProtoP\001Z6google.golang.org/protobuf/types/known/sourcecontextpb\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _SOURCECONTEXT._serialized_start=57 + _SOURCECONTEXT._serialized_end=101 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/struct_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/struct_pb2.py new file mode 100644 index 0000000..981de96 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/struct_pb2.py @@ -0,0 +1,36 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/struct.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1cgoogle/protobuf/struct.proto\x12\x0fgoogle.protobuf\"\x98\x01\n\x06Struct\x12;\n\x06\x66ields\x18\x01 \x03(\x0b\x32#.google.protobuf.Struct.FieldsEntryR\x06\x66ields\x1aQ\n\x0b\x46ieldsEntry\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12,\n\x05value\x18\x02 \x01(\x0b\x32\x16.google.protobuf.ValueR\x05value:\x02\x38\x01\"\xb2\x02\n\x05Value\x12;\n\nnull_value\x18\x01 \x01(\x0e\x32\x1a.google.protobuf.NullValueH\x00R\tnullValue\x12#\n\x0cnumber_value\x18\x02 \x01(\x01H\x00R\x0bnumberValue\x12#\n\x0cstring_value\x18\x03 \x01(\tH\x00R\x0bstringValue\x12\x1f\n\nbool_value\x18\x04 \x01(\x08H\x00R\tboolValue\x12<\n\x0cstruct_value\x18\x05 \x01(\x0b\x32\x17.google.protobuf.StructH\x00R\x0bstructValue\x12;\n\nlist_value\x18\x06 \x01(\x0b\x32\x1a.google.protobuf.ListValueH\x00R\tlistValueB\x06\n\x04kind\";\n\tListValue\x12.\n\x06values\x18\x01 \x03(\x0b\x32\x16.google.protobuf.ValueR\x06values*\x1b\n\tNullValue\x12\x0e\n\nNULL_VALUE\x10\x00\x42\x7f\n\x13\x63om.google.protobufB\x0bStructProtoP\x01Z/google.golang.org/protobuf/types/known/structpb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.struct_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\013StructProtoP\001Z/google.golang.org/protobuf/types/known/structpb\370\001\001\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _STRUCT_FIELDSENTRY._options = None + _STRUCT_FIELDSENTRY._serialized_options = b'8\001' + _NULLVALUE._serialized_start=574 + _NULLVALUE._serialized_end=601 + _STRUCT._serialized_start=50 + _STRUCT._serialized_end=202 + _STRUCT_FIELDSENTRY._serialized_start=121 + _STRUCT_FIELDSENTRY._serialized_end=202 + _VALUE._serialized_start=205 + _VALUE._serialized_end=511 + _LISTVALUE._serialized_start=513 + _LISTVALUE._serialized_end=572 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/symbol_database.py b/venv/lib/python3.12/site-packages/google/protobuf/symbol_database.py new file mode 100644 index 0000000..fdcf8cf --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/symbol_database.py @@ -0,0 +1,194 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""A database of Python protocol buffer generated symbols. + +SymbolDatabase is the MessageFactory for messages generated at compile time, +and makes it easy to create new instances of a registered type, given only the +type's protocol buffer symbol name. + +Example usage:: + + db = symbol_database.SymbolDatabase() + + # Register symbols of interest, from one or multiple files. + db.RegisterFileDescriptor(my_proto_pb2.DESCRIPTOR) + db.RegisterMessage(my_proto_pb2.MyMessage) + db.RegisterEnumDescriptor(my_proto_pb2.MyEnum.DESCRIPTOR) + + # The database can be used as a MessageFactory, to generate types based on + # their name: + types = db.GetMessages(['my_proto.proto']) + my_message_instance = types['MyMessage']() + + # The database's underlying descriptor pool can be queried, so it's not + # necessary to know a type's filename to be able to generate it: + filename = db.pool.FindFileContainingSymbol('MyMessage') + my_message_instance = db.GetMessages([filename])['MyMessage']() + + # This functionality is also provided directly via a convenience method: + my_message_instance = db.GetSymbol('MyMessage')() +""" + + +from google.protobuf.internal import api_implementation +from google.protobuf import descriptor_pool +from google.protobuf import message_factory + + +class SymbolDatabase(message_factory.MessageFactory): + """A database of Python generated symbols.""" + + def RegisterMessage(self, message): + """Registers the given message type in the local database. + + Calls to GetSymbol() and GetMessages() will return messages registered here. + + Args: + message: A :class:`google.protobuf.message.Message` subclass (or + instance); its descriptor will be registered. + + Returns: + The provided message. + """ + + desc = message.DESCRIPTOR + self._classes[desc] = message + self.RegisterMessageDescriptor(desc) + return message + + def RegisterMessageDescriptor(self, message_descriptor): + """Registers the given message descriptor in the local database. + + Args: + message_descriptor (Descriptor): the message descriptor to add. + """ + if api_implementation.Type() == 'python': + # pylint: disable=protected-access + self.pool._AddDescriptor(message_descriptor) + + def RegisterEnumDescriptor(self, enum_descriptor): + """Registers the given enum descriptor in the local database. + + Args: + enum_descriptor (EnumDescriptor): The enum descriptor to register. + + Returns: + EnumDescriptor: The provided descriptor. + """ + if api_implementation.Type() == 'python': + # pylint: disable=protected-access + self.pool._AddEnumDescriptor(enum_descriptor) + return enum_descriptor + + def RegisterServiceDescriptor(self, service_descriptor): + """Registers the given service descriptor in the local database. + + Args: + service_descriptor (ServiceDescriptor): the service descriptor to + register. + """ + if api_implementation.Type() == 'python': + # pylint: disable=protected-access + self.pool._AddServiceDescriptor(service_descriptor) + + def RegisterFileDescriptor(self, file_descriptor): + """Registers the given file descriptor in the local database. + + Args: + file_descriptor (FileDescriptor): The file descriptor to register. + """ + if api_implementation.Type() == 'python': + # pylint: disable=protected-access + self.pool._InternalAddFileDescriptor(file_descriptor) + + def GetSymbol(self, symbol): + """Tries to find a symbol in the local database. + + Currently, this method only returns message.Message instances, however, if + may be extended in future to support other symbol types. + + Args: + symbol (str): a protocol buffer symbol. + + Returns: + A Python class corresponding to the symbol. + + Raises: + KeyError: if the symbol could not be found. + """ + + return self._classes[self.pool.FindMessageTypeByName(symbol)] + + def GetMessages(self, files): + # TODO(amauryfa): Fix the differences with MessageFactory. + """Gets all registered messages from a specified file. + + Only messages already created and registered will be returned; (this is the + case for imported _pb2 modules) + But unlike MessageFactory, this version also returns already defined nested + messages, but does not register any message extensions. + + Args: + files (list[str]): The file names to extract messages from. + + Returns: + A dictionary mapping proto names to the message classes. + + Raises: + KeyError: if a file could not be found. + """ + + def _GetAllMessages(desc): + """Walk a message Descriptor and recursively yields all message names.""" + yield desc + for msg_desc in desc.nested_types: + for nested_desc in _GetAllMessages(msg_desc): + yield nested_desc + + result = {} + for file_name in files: + file_desc = self.pool.FindFileByName(file_name) + for msg_desc in file_desc.message_types_by_name.values(): + for desc in _GetAllMessages(msg_desc): + try: + result[desc.full_name] = self._classes[desc] + except KeyError: + # This descriptor has no registered class, skip it. + pass + return result + + +_DEFAULT = SymbolDatabase(pool=descriptor_pool.Default()) + + +def Default(): + """Returns the default SymbolDatabase.""" + return _DEFAULT diff --git a/venv/lib/python3.12/site-packages/google/protobuf/text_encoding.py b/venv/lib/python3.12/site-packages/google/protobuf/text_encoding.py new file mode 100644 index 0000000..759cf11 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/text_encoding.py @@ -0,0 +1,110 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Encoding related utilities.""" +import re + +_cescape_chr_to_symbol_map = {} +_cescape_chr_to_symbol_map[9] = r'\t' # optional escape +_cescape_chr_to_symbol_map[10] = r'\n' # optional escape +_cescape_chr_to_symbol_map[13] = r'\r' # optional escape +_cescape_chr_to_symbol_map[34] = r'\"' # necessary escape +_cescape_chr_to_symbol_map[39] = r"\'" # optional escape +_cescape_chr_to_symbol_map[92] = r'\\' # necessary escape + +# Lookup table for unicode +_cescape_unicode_to_str = [chr(i) for i in range(0, 256)] +for byte, string in _cescape_chr_to_symbol_map.items(): + _cescape_unicode_to_str[byte] = string + +# Lookup table for non-utf8, with necessary escapes at (o >= 127 or o < 32) +_cescape_byte_to_str = ([r'\%03o' % i for i in range(0, 32)] + + [chr(i) for i in range(32, 127)] + + [r'\%03o' % i for i in range(127, 256)]) +for byte, string in _cescape_chr_to_symbol_map.items(): + _cescape_byte_to_str[byte] = string +del byte, string + + +def CEscape(text, as_utf8): + # type: (...) -> str + """Escape a bytes string for use in an text protocol buffer. + + Args: + text: A byte string to be escaped. + as_utf8: Specifies if result may contain non-ASCII characters. + In Python 3 this allows unescaped non-ASCII Unicode characters. + In Python 2 the return value will be valid UTF-8 rather than only ASCII. + Returns: + Escaped string (str). + """ + # Python's text.encode() 'string_escape' or 'unicode_escape' codecs do not + # satisfy our needs; they encodes unprintable characters using two-digit hex + # escapes whereas our C++ unescaping function allows hex escapes to be any + # length. So, "\0011".encode('string_escape') ends up being "\\x011", which + # will be decoded in C++ as a single-character string with char code 0x11. + text_is_unicode = isinstance(text, str) + if as_utf8 and text_is_unicode: + # We're already unicode, no processing beyond control char escapes. + return text.translate(_cescape_chr_to_symbol_map) + ord_ = ord if text_is_unicode else lambda x: x # bytes iterate as ints. + if as_utf8: + return ''.join(_cescape_unicode_to_str[ord_(c)] for c in text) + return ''.join(_cescape_byte_to_str[ord_(c)] for c in text) + + +_CUNESCAPE_HEX = re.compile(r'(\\+)x([0-9a-fA-F])(?![0-9a-fA-F])') + + +def CUnescape(text): + # type: (str) -> bytes + """Unescape a text string with C-style escape sequences to UTF-8 bytes. + + Args: + text: The data to parse in a str. + Returns: + A byte string. + """ + + def ReplaceHex(m): + # Only replace the match if the number of leading back slashes is odd. i.e. + # the slash itself is not escaped. + if len(m.group(1)) & 1: + return m.group(1) + 'x0' + m.group(2) + return m.group(0) + + # This is required because the 'string_escape' encoding doesn't + # allow single-digit hex escapes (like '\xf'). + result = _CUNESCAPE_HEX.sub(ReplaceHex, text) + + return (result.encode('utf-8') # Make it bytes to allow decode. + .decode('unicode_escape') + # Make it bytes again to return the proper type. + .encode('raw_unicode_escape')) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/text_format.py b/venv/lib/python3.12/site-packages/google/protobuf/text_format.py new file mode 100644 index 0000000..a6d8bcf --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/text_format.py @@ -0,0 +1,1842 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Contains routines for printing protocol messages in text format. + +Simple usage example:: + + # Create a proto object and serialize it to a text proto string. + message = my_proto_pb2.MyMessage(foo='bar') + text_proto = text_format.MessageToString(message) + + # Parse a text proto string. + message = text_format.Parse(text_proto, my_proto_pb2.MyMessage()) +""" + +__author__ = 'kenton@google.com (Kenton Varda)' + +# TODO(b/129989314) Import thread contention leads to test failures. +import encodings.raw_unicode_escape # pylint: disable=unused-import +import encodings.unicode_escape # pylint: disable=unused-import +import io +import math +import re + +from google.protobuf.internal import decoder +from google.protobuf.internal import type_checkers +from google.protobuf import descriptor +from google.protobuf import text_encoding +from google.protobuf import unknown_fields + +# pylint: disable=g-import-not-at-top +__all__ = ['MessageToString', 'Parse', 'PrintMessage', 'PrintField', + 'PrintFieldValue', 'Merge', 'MessageToBytes'] + +_INTEGER_CHECKERS = (type_checkers.Uint32ValueChecker(), + type_checkers.Int32ValueChecker(), + type_checkers.Uint64ValueChecker(), + type_checkers.Int64ValueChecker()) +_FLOAT_INFINITY = re.compile('-?inf(?:inity)?f?$', re.IGNORECASE) +_FLOAT_NAN = re.compile('nanf?$', re.IGNORECASE) +_QUOTES = frozenset(("'", '"')) +_ANY_FULL_TYPE_NAME = 'google.protobuf.Any' + + +class Error(Exception): + """Top-level module error for text_format.""" + + +class ParseError(Error): + """Thrown in case of text parsing or tokenizing error.""" + + def __init__(self, message=None, line=None, column=None): + if message is not None and line is not None: + loc = str(line) + if column is not None: + loc += ':{0}'.format(column) + message = '{0} : {1}'.format(loc, message) + if message is not None: + super(ParseError, self).__init__(message) + else: + super(ParseError, self).__init__() + self._line = line + self._column = column + + def GetLine(self): + return self._line + + def GetColumn(self): + return self._column + + +class TextWriter(object): + + def __init__(self, as_utf8): + self._writer = io.StringIO() + + def write(self, val): + return self._writer.write(val) + + def close(self): + return self._writer.close() + + def getvalue(self): + return self._writer.getvalue() + + +def MessageToString( + message, + as_utf8=False, + as_one_line=False, + use_short_repeated_primitives=False, + pointy_brackets=False, + use_index_order=False, + float_format=None, + double_format=None, + use_field_number=False, + descriptor_pool=None, + indent=0, + message_formatter=None, + print_unknown_fields=False, + force_colon=False): + # type: (...) -> str + """Convert protobuf message to text format. + + Double values can be formatted compactly with 15 digits of + precision (which is the most that IEEE 754 "double" can guarantee) + using double_format='.15g'. To ensure that converting to text and back to a + proto will result in an identical value, double_format='.17g' should be used. + + Args: + message: The protocol buffers message. + as_utf8: Return unescaped Unicode for non-ASCII characters. + as_one_line: Don't introduce newlines between fields. + use_short_repeated_primitives: Use short repeated format for primitives. + pointy_brackets: If True, use angle brackets instead of curly braces for + nesting. + use_index_order: If True, fields of a proto message will be printed using + the order defined in source code instead of the field number, extensions + will be printed at the end of the message and their relative order is + determined by the extension number. By default, use the field number + order. + float_format (str): If set, use this to specify float field formatting + (per the "Format Specification Mini-Language"); otherwise, shortest float + that has same value in wire will be printed. Also affect double field + if double_format is not set but float_format is set. + double_format (str): If set, use this to specify double field formatting + (per the "Format Specification Mini-Language"); if it is not set but + float_format is set, use float_format. Otherwise, use ``str()`` + use_field_number: If True, print field numbers instead of names. + descriptor_pool (DescriptorPool): Descriptor pool used to resolve Any types. + indent (int): The initial indent level, in terms of spaces, for pretty + print. + message_formatter (function(message, indent, as_one_line) -> unicode|None): + Custom formatter for selected sub-messages (usually based on message + type). Use to pretty print parts of the protobuf for easier diffing. + print_unknown_fields: If True, unknown fields will be printed. + force_colon: If set, a colon will be added after the field name even if the + field is a proto message. + + Returns: + str: A string of the text formatted protocol buffer message. + """ + out = TextWriter(as_utf8) + printer = _Printer( + out, + indent, + as_utf8, + as_one_line, + use_short_repeated_primitives, + pointy_brackets, + use_index_order, + float_format, + double_format, + use_field_number, + descriptor_pool, + message_formatter, + print_unknown_fields=print_unknown_fields, + force_colon=force_colon) + printer.PrintMessage(message) + result = out.getvalue() + out.close() + if as_one_line: + return result.rstrip() + return result + + +def MessageToBytes(message, **kwargs): + # type: (...) -> bytes + """Convert protobuf message to encoded text format. See MessageToString.""" + text = MessageToString(message, **kwargs) + if isinstance(text, bytes): + return text + codec = 'utf-8' if kwargs.get('as_utf8') else 'ascii' + return text.encode(codec) + + +def _IsMapEntry(field): + return (field.type == descriptor.FieldDescriptor.TYPE_MESSAGE and + field.message_type.has_options and + field.message_type.GetOptions().map_entry) + + +def PrintMessage(message, + out, + indent=0, + as_utf8=False, + as_one_line=False, + use_short_repeated_primitives=False, + pointy_brackets=False, + use_index_order=False, + float_format=None, + double_format=None, + use_field_number=False, + descriptor_pool=None, + message_formatter=None, + print_unknown_fields=False, + force_colon=False): + """Convert the message to text format and write it to the out stream. + + Args: + message: The Message object to convert to text format. + out: A file handle to write the message to. + indent: The initial indent level for pretty print. + as_utf8: Return unescaped Unicode for non-ASCII characters. + as_one_line: Don't introduce newlines between fields. + use_short_repeated_primitives: Use short repeated format for primitives. + pointy_brackets: If True, use angle brackets instead of curly braces for + nesting. + use_index_order: If True, print fields of a proto message using the order + defined in source code instead of the field number. By default, use the + field number order. + float_format: If set, use this to specify float field formatting + (per the "Format Specification Mini-Language"); otherwise, shortest + float that has same value in wire will be printed. Also affect double + field if double_format is not set but float_format is set. + double_format: If set, use this to specify double field formatting + (per the "Format Specification Mini-Language"); if it is not set but + float_format is set, use float_format. Otherwise, str() is used. + use_field_number: If True, print field numbers instead of names. + descriptor_pool: A DescriptorPool used to resolve Any types. + message_formatter: A function(message, indent, as_one_line): unicode|None + to custom format selected sub-messages (usually based on message type). + Use to pretty print parts of the protobuf for easier diffing. + print_unknown_fields: If True, unknown fields will be printed. + force_colon: If set, a colon will be added after the field name even if + the field is a proto message. + """ + printer = _Printer( + out=out, indent=indent, as_utf8=as_utf8, + as_one_line=as_one_line, + use_short_repeated_primitives=use_short_repeated_primitives, + pointy_brackets=pointy_brackets, + use_index_order=use_index_order, + float_format=float_format, + double_format=double_format, + use_field_number=use_field_number, + descriptor_pool=descriptor_pool, + message_formatter=message_formatter, + print_unknown_fields=print_unknown_fields, + force_colon=force_colon) + printer.PrintMessage(message) + + +def PrintField(field, + value, + out, + indent=0, + as_utf8=False, + as_one_line=False, + use_short_repeated_primitives=False, + pointy_brackets=False, + use_index_order=False, + float_format=None, + double_format=None, + message_formatter=None, + print_unknown_fields=False, + force_colon=False): + """Print a single field name/value pair.""" + printer = _Printer(out, indent, as_utf8, as_one_line, + use_short_repeated_primitives, pointy_brackets, + use_index_order, float_format, double_format, + message_formatter=message_formatter, + print_unknown_fields=print_unknown_fields, + force_colon=force_colon) + printer.PrintField(field, value) + + +def PrintFieldValue(field, + value, + out, + indent=0, + as_utf8=False, + as_one_line=False, + use_short_repeated_primitives=False, + pointy_brackets=False, + use_index_order=False, + float_format=None, + double_format=None, + message_formatter=None, + print_unknown_fields=False, + force_colon=False): + """Print a single field value (not including name).""" + printer = _Printer(out, indent, as_utf8, as_one_line, + use_short_repeated_primitives, pointy_brackets, + use_index_order, float_format, double_format, + message_formatter=message_formatter, + print_unknown_fields=print_unknown_fields, + force_colon=force_colon) + printer.PrintFieldValue(field, value) + + +def _BuildMessageFromTypeName(type_name, descriptor_pool): + """Returns a protobuf message instance. + + Args: + type_name: Fully-qualified protobuf message type name string. + descriptor_pool: DescriptorPool instance. + + Returns: + A Message instance of type matching type_name, or None if the a Descriptor + wasn't found matching type_name. + """ + # pylint: disable=g-import-not-at-top + if descriptor_pool is None: + from google.protobuf import descriptor_pool as pool_mod + descriptor_pool = pool_mod.Default() + from google.protobuf import symbol_database + database = symbol_database.Default() + try: + message_descriptor = descriptor_pool.FindMessageTypeByName(type_name) + except KeyError: + return None + message_type = database.GetPrototype(message_descriptor) + return message_type() + + +# These values must match WireType enum in google/protobuf/wire_format.h. +WIRETYPE_LENGTH_DELIMITED = 2 +WIRETYPE_START_GROUP = 3 + + +class _Printer(object): + """Text format printer for protocol message.""" + + def __init__( + self, + out, + indent=0, + as_utf8=False, + as_one_line=False, + use_short_repeated_primitives=False, + pointy_brackets=False, + use_index_order=False, + float_format=None, + double_format=None, + use_field_number=False, + descriptor_pool=None, + message_formatter=None, + print_unknown_fields=False, + force_colon=False): + """Initialize the Printer. + + Double values can be formatted compactly with 15 digits of precision + (which is the most that IEEE 754 "double" can guarantee) using + double_format='.15g'. To ensure that converting to text and back to a proto + will result in an identical value, double_format='.17g' should be used. + + Args: + out: To record the text format result. + indent: The initial indent level for pretty print. + as_utf8: Return unescaped Unicode for non-ASCII characters. + as_one_line: Don't introduce newlines between fields. + use_short_repeated_primitives: Use short repeated format for primitives. + pointy_brackets: If True, use angle brackets instead of curly braces for + nesting. + use_index_order: If True, print fields of a proto message using the order + defined in source code instead of the field number. By default, use the + field number order. + float_format: If set, use this to specify float field formatting + (per the "Format Specification Mini-Language"); otherwise, shortest + float that has same value in wire will be printed. Also affect double + field if double_format is not set but float_format is set. + double_format: If set, use this to specify double field formatting + (per the "Format Specification Mini-Language"); if it is not set but + float_format is set, use float_format. Otherwise, str() is used. + use_field_number: If True, print field numbers instead of names. + descriptor_pool: A DescriptorPool used to resolve Any types. + message_formatter: A function(message, indent, as_one_line): unicode|None + to custom format selected sub-messages (usually based on message type). + Use to pretty print parts of the protobuf for easier diffing. + print_unknown_fields: If True, unknown fields will be printed. + force_colon: If set, a colon will be added after the field name even if + the field is a proto message. + """ + self.out = out + self.indent = indent + self.as_utf8 = as_utf8 + self.as_one_line = as_one_line + self.use_short_repeated_primitives = use_short_repeated_primitives + self.pointy_brackets = pointy_brackets + self.use_index_order = use_index_order + self.float_format = float_format + if double_format is not None: + self.double_format = double_format + else: + self.double_format = float_format + self.use_field_number = use_field_number + self.descriptor_pool = descriptor_pool + self.message_formatter = message_formatter + self.print_unknown_fields = print_unknown_fields + self.force_colon = force_colon + + def _TryPrintAsAnyMessage(self, message): + """Serializes if message is a google.protobuf.Any field.""" + if '/' not in message.type_url: + return False + packed_message = _BuildMessageFromTypeName(message.TypeName(), + self.descriptor_pool) + if packed_message: + packed_message.MergeFromString(message.value) + colon = ':' if self.force_colon else '' + self.out.write('%s[%s]%s ' % (self.indent * ' ', message.type_url, colon)) + self._PrintMessageFieldValue(packed_message) + self.out.write(' ' if self.as_one_line else '\n') + return True + else: + return False + + def _TryCustomFormatMessage(self, message): + formatted = self.message_formatter(message, self.indent, self.as_one_line) + if formatted is None: + return False + + out = self.out + out.write(' ' * self.indent) + out.write(formatted) + out.write(' ' if self.as_one_line else '\n') + return True + + def PrintMessage(self, message): + """Convert protobuf message to text format. + + Args: + message: The protocol buffers message. + """ + if self.message_formatter and self._TryCustomFormatMessage(message): + return + if (message.DESCRIPTOR.full_name == _ANY_FULL_TYPE_NAME and + self._TryPrintAsAnyMessage(message)): + return + fields = message.ListFields() + if self.use_index_order: + fields.sort( + key=lambda x: x[0].number if x[0].is_extension else x[0].index) + for field, value in fields: + if _IsMapEntry(field): + for key in sorted(value): + # This is slow for maps with submessage entries because it copies the + # entire tree. Unfortunately this would take significant refactoring + # of this file to work around. + # + # TODO(haberman): refactor and optimize if this becomes an issue. + entry_submsg = value.GetEntryClass()(key=key, value=value[key]) + self.PrintField(field, entry_submsg) + elif field.label == descriptor.FieldDescriptor.LABEL_REPEATED: + if (self.use_short_repeated_primitives + and field.cpp_type != descriptor.FieldDescriptor.CPPTYPE_MESSAGE + and field.cpp_type != descriptor.FieldDescriptor.CPPTYPE_STRING): + self._PrintShortRepeatedPrimitivesValue(field, value) + else: + for element in value: + self.PrintField(field, element) + else: + self.PrintField(field, value) + + if self.print_unknown_fields: + self._PrintUnknownFields(unknown_fields.UnknownFieldSet(message)) + + def _PrintUnknownFields(self, unknown_field_set): + """Print unknown fields.""" + out = self.out + for field in unknown_field_set: + out.write(' ' * self.indent) + out.write(str(field.field_number)) + if field.wire_type == WIRETYPE_START_GROUP: + if self.as_one_line: + out.write(' { ') + else: + out.write(' {\n') + self.indent += 2 + + self._PrintUnknownFields(field.data) + + if self.as_one_line: + out.write('} ') + else: + self.indent -= 2 + out.write(' ' * self.indent + '}\n') + elif field.wire_type == WIRETYPE_LENGTH_DELIMITED: + try: + # If this field is parseable as a Message, it is probably + # an embedded message. + # pylint: disable=protected-access + (embedded_unknown_message, pos) = decoder._DecodeUnknownFieldSet( + memoryview(field.data), 0, len(field.data)) + except Exception: # pylint: disable=broad-except + pos = 0 + + if pos == len(field.data): + if self.as_one_line: + out.write(' { ') + else: + out.write(' {\n') + self.indent += 2 + + self._PrintUnknownFields(embedded_unknown_message) + + if self.as_one_line: + out.write('} ') + else: + self.indent -= 2 + out.write(' ' * self.indent + '}\n') + else: + # A string or bytes field. self.as_utf8 may not work. + out.write(': \"') + out.write(text_encoding.CEscape(field.data, False)) + out.write('\" ' if self.as_one_line else '\"\n') + else: + # varint, fixed32, fixed64 + out.write(': ') + out.write(str(field.data)) + out.write(' ' if self.as_one_line else '\n') + + def _PrintFieldName(self, field): + """Print field name.""" + out = self.out + out.write(' ' * self.indent) + if self.use_field_number: + out.write(str(field.number)) + else: + if field.is_extension: + out.write('[') + if (field.containing_type.GetOptions().message_set_wire_format and + field.type == descriptor.FieldDescriptor.TYPE_MESSAGE and + field.label == descriptor.FieldDescriptor.LABEL_OPTIONAL): + out.write(field.message_type.full_name) + else: + out.write(field.full_name) + out.write(']') + elif field.type == descriptor.FieldDescriptor.TYPE_GROUP: + # For groups, use the capitalized name. + out.write(field.message_type.name) + else: + out.write(field.name) + + if (self.force_colon or + field.cpp_type != descriptor.FieldDescriptor.CPPTYPE_MESSAGE): + # The colon is optional in this case, but our cross-language golden files + # don't include it. Here, the colon is only included if force_colon is + # set to True + out.write(':') + + def PrintField(self, field, value): + """Print a single field name/value pair.""" + self._PrintFieldName(field) + self.out.write(' ') + self.PrintFieldValue(field, value) + self.out.write(' ' if self.as_one_line else '\n') + + def _PrintShortRepeatedPrimitivesValue(self, field, value): + """"Prints short repeated primitives value.""" + # Note: this is called only when value has at least one element. + self._PrintFieldName(field) + self.out.write(' [') + for i in range(len(value) - 1): + self.PrintFieldValue(field, value[i]) + self.out.write(', ') + self.PrintFieldValue(field, value[-1]) + self.out.write(']') + self.out.write(' ' if self.as_one_line else '\n') + + def _PrintMessageFieldValue(self, value): + if self.pointy_brackets: + openb = '<' + closeb = '>' + else: + openb = '{' + closeb = '}' + + if self.as_one_line: + self.out.write('%s ' % openb) + self.PrintMessage(value) + self.out.write(closeb) + else: + self.out.write('%s\n' % openb) + self.indent += 2 + self.PrintMessage(value) + self.indent -= 2 + self.out.write(' ' * self.indent + closeb) + + def PrintFieldValue(self, field, value): + """Print a single field value (not including name). + + For repeated fields, the value should be a single element. + + Args: + field: The descriptor of the field to be printed. + value: The value of the field. + """ + out = self.out + if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + self._PrintMessageFieldValue(value) + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_ENUM: + enum_value = field.enum_type.values_by_number.get(value, None) + if enum_value is not None: + out.write(enum_value.name) + else: + out.write(str(value)) + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_STRING: + out.write('\"') + if isinstance(value, str) and not self.as_utf8: + out_value = value.encode('utf-8') + else: + out_value = value + if field.type == descriptor.FieldDescriptor.TYPE_BYTES: + # We always need to escape all binary data in TYPE_BYTES fields. + out_as_utf8 = False + else: + out_as_utf8 = self.as_utf8 + out.write(text_encoding.CEscape(out_value, out_as_utf8)) + out.write('\"') + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_BOOL: + if value: + out.write('true') + else: + out.write('false') + elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_FLOAT: + if self.float_format is not None: + out.write('{1:{0}}'.format(self.float_format, value)) + else: + if math.isnan(value): + out.write(str(value)) + else: + out.write(str(type_checkers.ToShortestFloat(value))) + elif (field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_DOUBLE and + self.double_format is not None): + out.write('{1:{0}}'.format(self.double_format, value)) + else: + out.write(str(value)) + + +def Parse(text, + message, + allow_unknown_extension=False, + allow_field_number=False, + descriptor_pool=None, + allow_unknown_field=False): + """Parses a text representation of a protocol message into a message. + + NOTE: for historical reasons this function does not clear the input + message. This is different from what the binary msg.ParseFrom(...) does. + If text contains a field already set in message, the value is appended if the + field is repeated. Otherwise, an error is raised. + + Example:: + + a = MyProto() + a.repeated_field.append('test') + b = MyProto() + + # Repeated fields are combined + text_format.Parse(repr(a), b) + text_format.Parse(repr(a), b) # repeated_field contains ["test", "test"] + + # Non-repeated fields cannot be overwritten + a.singular_field = 1 + b.singular_field = 2 + text_format.Parse(repr(a), b) # ParseError + + # Binary version: + b.ParseFromString(a.SerializeToString()) # repeated_field is now "test" + + Caller is responsible for clearing the message as needed. + + Args: + text (str): Message text representation. + message (Message): A protocol buffer message to merge into. + allow_unknown_extension: if True, skip over missing extensions and keep + parsing + allow_field_number: if True, both field number and field name are allowed. + descriptor_pool (DescriptorPool): Descriptor pool used to resolve Any types. + allow_unknown_field: if True, skip over unknown field and keep + parsing. Avoid to use this option if possible. It may hide some + errors (e.g. spelling error on field name) + + Returns: + Message: The same message passed as argument. + + Raises: + ParseError: On text parsing problems. + """ + return ParseLines(text.split(b'\n' if isinstance(text, bytes) else u'\n'), + message, + allow_unknown_extension, + allow_field_number, + descriptor_pool=descriptor_pool, + allow_unknown_field=allow_unknown_field) + + +def Merge(text, + message, + allow_unknown_extension=False, + allow_field_number=False, + descriptor_pool=None, + allow_unknown_field=False): + """Parses a text representation of a protocol message into a message. + + Like Parse(), but allows repeated values for a non-repeated field, and uses + the last one. This means any non-repeated, top-level fields specified in text + replace those in the message. + + Args: + text (str): Message text representation. + message (Message): A protocol buffer message to merge into. + allow_unknown_extension: if True, skip over missing extensions and keep + parsing + allow_field_number: if True, both field number and field name are allowed. + descriptor_pool (DescriptorPool): Descriptor pool used to resolve Any types. + allow_unknown_field: if True, skip over unknown field and keep + parsing. Avoid to use this option if possible. It may hide some + errors (e.g. spelling error on field name) + + Returns: + Message: The same message passed as argument. + + Raises: + ParseError: On text parsing problems. + """ + return MergeLines( + text.split(b'\n' if isinstance(text, bytes) else u'\n'), + message, + allow_unknown_extension, + allow_field_number, + descriptor_pool=descriptor_pool, + allow_unknown_field=allow_unknown_field) + + +def ParseLines(lines, + message, + allow_unknown_extension=False, + allow_field_number=False, + descriptor_pool=None, + allow_unknown_field=False): + """Parses a text representation of a protocol message into a message. + + See Parse() for caveats. + + Args: + lines: An iterable of lines of a message's text representation. + message: A protocol buffer message to merge into. + allow_unknown_extension: if True, skip over missing extensions and keep + parsing + allow_field_number: if True, both field number and field name are allowed. + descriptor_pool: A DescriptorPool used to resolve Any types. + allow_unknown_field: if True, skip over unknown field and keep + parsing. Avoid to use this option if possible. It may hide some + errors (e.g. spelling error on field name) + + Returns: + The same message passed as argument. + + Raises: + ParseError: On text parsing problems. + """ + parser = _Parser(allow_unknown_extension, + allow_field_number, + descriptor_pool=descriptor_pool, + allow_unknown_field=allow_unknown_field) + return parser.ParseLines(lines, message) + + +def MergeLines(lines, + message, + allow_unknown_extension=False, + allow_field_number=False, + descriptor_pool=None, + allow_unknown_field=False): + """Parses a text representation of a protocol message into a message. + + See Merge() for more details. + + Args: + lines: An iterable of lines of a message's text representation. + message: A protocol buffer message to merge into. + allow_unknown_extension: if True, skip over missing extensions and keep + parsing + allow_field_number: if True, both field number and field name are allowed. + descriptor_pool: A DescriptorPool used to resolve Any types. + allow_unknown_field: if True, skip over unknown field and keep + parsing. Avoid to use this option if possible. It may hide some + errors (e.g. spelling error on field name) + + Returns: + The same message passed as argument. + + Raises: + ParseError: On text parsing problems. + """ + parser = _Parser(allow_unknown_extension, + allow_field_number, + descriptor_pool=descriptor_pool, + allow_unknown_field=allow_unknown_field) + return parser.MergeLines(lines, message) + + +class _Parser(object): + """Text format parser for protocol message.""" + + def __init__(self, + allow_unknown_extension=False, + allow_field_number=False, + descriptor_pool=None, + allow_unknown_field=False): + self.allow_unknown_extension = allow_unknown_extension + self.allow_field_number = allow_field_number + self.descriptor_pool = descriptor_pool + self.allow_unknown_field = allow_unknown_field + + def ParseLines(self, lines, message): + """Parses a text representation of a protocol message into a message.""" + self._allow_multiple_scalars = False + self._ParseOrMerge(lines, message) + return message + + def MergeLines(self, lines, message): + """Merges a text representation of a protocol message into a message.""" + self._allow_multiple_scalars = True + self._ParseOrMerge(lines, message) + return message + + def _ParseOrMerge(self, lines, message): + """Converts a text representation of a protocol message into a message. + + Args: + lines: Lines of a message's text representation. + message: A protocol buffer message to merge into. + + Raises: + ParseError: On text parsing problems. + """ + # Tokenize expects native str lines. + str_lines = ( + line if isinstance(line, str) else line.decode('utf-8') + for line in lines) + tokenizer = Tokenizer(str_lines) + while not tokenizer.AtEnd(): + self._MergeField(tokenizer, message) + + def _MergeField(self, tokenizer, message): + """Merges a single protocol message field into a message. + + Args: + tokenizer: A tokenizer to parse the field name and values. + message: A protocol message to record the data. + + Raises: + ParseError: In case of text parsing problems. + """ + message_descriptor = message.DESCRIPTOR + if (message_descriptor.full_name == _ANY_FULL_TYPE_NAME and + tokenizer.TryConsume('[')): + type_url_prefix, packed_type_name = self._ConsumeAnyTypeUrl(tokenizer) + tokenizer.Consume(']') + tokenizer.TryConsume(':') + if tokenizer.TryConsume('<'): + expanded_any_end_token = '>' + else: + tokenizer.Consume('{') + expanded_any_end_token = '}' + expanded_any_sub_message = _BuildMessageFromTypeName(packed_type_name, + self.descriptor_pool) + # Direct comparison with None is used instead of implicit bool conversion + # to avoid false positives with falsy initial values, e.g. for + # google.protobuf.ListValue. + if expanded_any_sub_message is None: + raise ParseError('Type %s not found in descriptor pool' % + packed_type_name) + while not tokenizer.TryConsume(expanded_any_end_token): + if tokenizer.AtEnd(): + raise tokenizer.ParseErrorPreviousToken('Expected "%s".' % + (expanded_any_end_token,)) + self._MergeField(tokenizer, expanded_any_sub_message) + deterministic = False + + message.Pack(expanded_any_sub_message, + type_url_prefix=type_url_prefix, + deterministic=deterministic) + return + + if tokenizer.TryConsume('['): + name = [tokenizer.ConsumeIdentifier()] + while tokenizer.TryConsume('.'): + name.append(tokenizer.ConsumeIdentifier()) + name = '.'.join(name) + + if not message_descriptor.is_extendable: + raise tokenizer.ParseErrorPreviousToken( + 'Message type "%s" does not have extensions.' % + message_descriptor.full_name) + # pylint: disable=protected-access + field = message.Extensions._FindExtensionByName(name) + # pylint: enable=protected-access + + + if not field: + if self.allow_unknown_extension: + field = None + else: + raise tokenizer.ParseErrorPreviousToken( + 'Extension "%s" not registered. ' + 'Did you import the _pb2 module which defines it? ' + 'If you are trying to place the extension in the MessageSet ' + 'field of another message that is in an Any or MessageSet field, ' + 'that message\'s _pb2 module must be imported as well' % name) + elif message_descriptor != field.containing_type: + raise tokenizer.ParseErrorPreviousToken( + 'Extension "%s" does not extend message type "%s".' % + (name, message_descriptor.full_name)) + + tokenizer.Consume(']') + + else: + name = tokenizer.ConsumeIdentifierOrNumber() + if self.allow_field_number and name.isdigit(): + number = ParseInteger(name, True, True) + field = message_descriptor.fields_by_number.get(number, None) + if not field and message_descriptor.is_extendable: + field = message.Extensions._FindExtensionByNumber(number) + else: + field = message_descriptor.fields_by_name.get(name, None) + + # Group names are expected to be capitalized as they appear in the + # .proto file, which actually matches their type names, not their field + # names. + if not field: + field = message_descriptor.fields_by_name.get(name.lower(), None) + if field and field.type != descriptor.FieldDescriptor.TYPE_GROUP: + field = None + + if (field and field.type == descriptor.FieldDescriptor.TYPE_GROUP and + field.message_type.name != name): + field = None + + if not field and not self.allow_unknown_field: + raise tokenizer.ParseErrorPreviousToken( + 'Message type "%s" has no field named "%s".' % + (message_descriptor.full_name, name)) + + if field: + if not self._allow_multiple_scalars and field.containing_oneof: + # Check if there's a different field set in this oneof. + # Note that we ignore the case if the same field was set before, and we + # apply _allow_multiple_scalars to non-scalar fields as well. + which_oneof = message.WhichOneof(field.containing_oneof.name) + if which_oneof is not None and which_oneof != field.name: + raise tokenizer.ParseErrorPreviousToken( + 'Field "%s" is specified along with field "%s", another member ' + 'of oneof "%s" for message type "%s".' % + (field.name, which_oneof, field.containing_oneof.name, + message_descriptor.full_name)) + + if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + tokenizer.TryConsume(':') + merger = self._MergeMessageField + else: + tokenizer.Consume(':') + merger = self._MergeScalarField + + if (field.label == descriptor.FieldDescriptor.LABEL_REPEATED and + tokenizer.TryConsume('[')): + # Short repeated format, e.g. "foo: [1, 2, 3]" + if not tokenizer.TryConsume(']'): + while True: + merger(tokenizer, message, field) + if tokenizer.TryConsume(']'): + break + tokenizer.Consume(',') + + else: + merger(tokenizer, message, field) + + else: # Proto field is unknown. + assert (self.allow_unknown_extension or self.allow_unknown_field) + _SkipFieldContents(tokenizer) + + # For historical reasons, fields may optionally be separated by commas or + # semicolons. + if not tokenizer.TryConsume(','): + tokenizer.TryConsume(';') + + + def _ConsumeAnyTypeUrl(self, tokenizer): + """Consumes a google.protobuf.Any type URL and returns the type name.""" + # Consume "type.googleapis.com/". + prefix = [tokenizer.ConsumeIdentifier()] + tokenizer.Consume('.') + prefix.append(tokenizer.ConsumeIdentifier()) + tokenizer.Consume('.') + prefix.append(tokenizer.ConsumeIdentifier()) + tokenizer.Consume('/') + # Consume the fully-qualified type name. + name = [tokenizer.ConsumeIdentifier()] + while tokenizer.TryConsume('.'): + name.append(tokenizer.ConsumeIdentifier()) + return '.'.join(prefix), '.'.join(name) + + def _MergeMessageField(self, tokenizer, message, field): + """Merges a single scalar field into a message. + + Args: + tokenizer: A tokenizer to parse the field value. + message: The message of which field is a member. + field: The descriptor of the field to be merged. + + Raises: + ParseError: In case of text parsing problems. + """ + is_map_entry = _IsMapEntry(field) + + if tokenizer.TryConsume('<'): + end_token = '>' + else: + tokenizer.Consume('{') + end_token = '}' + + if field.label == descriptor.FieldDescriptor.LABEL_REPEATED: + if field.is_extension: + sub_message = message.Extensions[field].add() + elif is_map_entry: + sub_message = getattr(message, field.name).GetEntryClass()() + else: + sub_message = getattr(message, field.name).add() + else: + if field.is_extension: + if (not self._allow_multiple_scalars and + message.HasExtension(field)): + raise tokenizer.ParseErrorPreviousToken( + 'Message type "%s" should not have multiple "%s" extensions.' % + (message.DESCRIPTOR.full_name, field.full_name)) + sub_message = message.Extensions[field] + else: + # Also apply _allow_multiple_scalars to message field. + # TODO(jieluo): Change to _allow_singular_overwrites. + if (not self._allow_multiple_scalars and + message.HasField(field.name)): + raise tokenizer.ParseErrorPreviousToken( + 'Message type "%s" should not have multiple "%s" fields.' % + (message.DESCRIPTOR.full_name, field.name)) + sub_message = getattr(message, field.name) + sub_message.SetInParent() + + while not tokenizer.TryConsume(end_token): + if tokenizer.AtEnd(): + raise tokenizer.ParseErrorPreviousToken('Expected "%s".' % (end_token,)) + self._MergeField(tokenizer, sub_message) + + if is_map_entry: + value_cpptype = field.message_type.fields_by_name['value'].cpp_type + if value_cpptype == descriptor.FieldDescriptor.CPPTYPE_MESSAGE: + value = getattr(message, field.name)[sub_message.key] + value.CopyFrom(sub_message.value) + else: + getattr(message, field.name)[sub_message.key] = sub_message.value + + @staticmethod + def _IsProto3Syntax(message): + message_descriptor = message.DESCRIPTOR + return (hasattr(message_descriptor, 'syntax') and + message_descriptor.syntax == 'proto3') + + def _MergeScalarField(self, tokenizer, message, field): + """Merges a single scalar field into a message. + + Args: + tokenizer: A tokenizer to parse the field value. + message: A protocol message to record the data. + field: The descriptor of the field to be merged. + + Raises: + ParseError: In case of text parsing problems. + RuntimeError: On runtime errors. + """ + _ = self.allow_unknown_extension + value = None + + if field.type in (descriptor.FieldDescriptor.TYPE_INT32, + descriptor.FieldDescriptor.TYPE_SINT32, + descriptor.FieldDescriptor.TYPE_SFIXED32): + value = _ConsumeInt32(tokenizer) + elif field.type in (descriptor.FieldDescriptor.TYPE_INT64, + descriptor.FieldDescriptor.TYPE_SINT64, + descriptor.FieldDescriptor.TYPE_SFIXED64): + value = _ConsumeInt64(tokenizer) + elif field.type in (descriptor.FieldDescriptor.TYPE_UINT32, + descriptor.FieldDescriptor.TYPE_FIXED32): + value = _ConsumeUint32(tokenizer) + elif field.type in (descriptor.FieldDescriptor.TYPE_UINT64, + descriptor.FieldDescriptor.TYPE_FIXED64): + value = _ConsumeUint64(tokenizer) + elif field.type in (descriptor.FieldDescriptor.TYPE_FLOAT, + descriptor.FieldDescriptor.TYPE_DOUBLE): + value = tokenizer.ConsumeFloat() + elif field.type == descriptor.FieldDescriptor.TYPE_BOOL: + value = tokenizer.ConsumeBool() + elif field.type == descriptor.FieldDescriptor.TYPE_STRING: + value = tokenizer.ConsumeString() + elif field.type == descriptor.FieldDescriptor.TYPE_BYTES: + value = tokenizer.ConsumeByteString() + elif field.type == descriptor.FieldDescriptor.TYPE_ENUM: + value = tokenizer.ConsumeEnum(field) + else: + raise RuntimeError('Unknown field type %d' % field.type) + + if field.label == descriptor.FieldDescriptor.LABEL_REPEATED: + if field.is_extension: + message.Extensions[field].append(value) + else: + getattr(message, field.name).append(value) + else: + if field.is_extension: + if (not self._allow_multiple_scalars and + not self._IsProto3Syntax(message) and + message.HasExtension(field)): + raise tokenizer.ParseErrorPreviousToken( + 'Message type "%s" should not have multiple "%s" extensions.' % + (message.DESCRIPTOR.full_name, field.full_name)) + else: + message.Extensions[field] = value + else: + duplicate_error = False + if not self._allow_multiple_scalars: + if self._IsProto3Syntax(message): + # Proto3 doesn't represent presence so we try best effort to check + # multiple scalars by compare to default values. + duplicate_error = bool(getattr(message, field.name)) + else: + duplicate_error = message.HasField(field.name) + + if duplicate_error: + raise tokenizer.ParseErrorPreviousToken( + 'Message type "%s" should not have multiple "%s" fields.' % + (message.DESCRIPTOR.full_name, field.name)) + else: + setattr(message, field.name, value) + + +def _SkipFieldContents(tokenizer): + """Skips over contents (value or message) of a field. + + Args: + tokenizer: A tokenizer to parse the field name and values. + """ + # Try to guess the type of this field. + # If this field is not a message, there should be a ":" between the + # field name and the field value and also the field value should not + # start with "{" or "<" which indicates the beginning of a message body. + # If there is no ":" or there is a "{" or "<" after ":", this field has + # to be a message or the input is ill-formed. + if tokenizer.TryConsume( + ':') and not tokenizer.LookingAt('{') and not tokenizer.LookingAt('<'): + if tokenizer.LookingAt('['): + _SkipRepeatedFieldValue(tokenizer) + else: + _SkipFieldValue(tokenizer) + else: + _SkipFieldMessage(tokenizer) + + +def _SkipField(tokenizer): + """Skips over a complete field (name and value/message). + + Args: + tokenizer: A tokenizer to parse the field name and values. + """ + if tokenizer.TryConsume('['): + # Consume extension name. + tokenizer.ConsumeIdentifier() + while tokenizer.TryConsume('.'): + tokenizer.ConsumeIdentifier() + tokenizer.Consume(']') + else: + tokenizer.ConsumeIdentifierOrNumber() + + _SkipFieldContents(tokenizer) + + # For historical reasons, fields may optionally be separated by commas or + # semicolons. + if not tokenizer.TryConsume(','): + tokenizer.TryConsume(';') + + +def _SkipFieldMessage(tokenizer): + """Skips over a field message. + + Args: + tokenizer: A tokenizer to parse the field name and values. + """ + + if tokenizer.TryConsume('<'): + delimiter = '>' + else: + tokenizer.Consume('{') + delimiter = '}' + + while not tokenizer.LookingAt('>') and not tokenizer.LookingAt('}'): + _SkipField(tokenizer) + + tokenizer.Consume(delimiter) + + +def _SkipFieldValue(tokenizer): + """Skips over a field value. + + Args: + tokenizer: A tokenizer to parse the field name and values. + + Raises: + ParseError: In case an invalid field value is found. + """ + # String/bytes tokens can come in multiple adjacent string literals. + # If we can consume one, consume as many as we can. + if tokenizer.TryConsumeByteString(): + while tokenizer.TryConsumeByteString(): + pass + return + + if (not tokenizer.TryConsumeIdentifier() and + not _TryConsumeInt64(tokenizer) and not _TryConsumeUint64(tokenizer) and + not tokenizer.TryConsumeFloat()): + raise ParseError('Invalid field value: ' + tokenizer.token) + + +def _SkipRepeatedFieldValue(tokenizer): + """Skips over a repeated field value. + + Args: + tokenizer: A tokenizer to parse the field value. + """ + tokenizer.Consume('[') + if not tokenizer.LookingAt(']'): + _SkipFieldValue(tokenizer) + while tokenizer.TryConsume(','): + _SkipFieldValue(tokenizer) + tokenizer.Consume(']') + + +class Tokenizer(object): + """Protocol buffer text representation tokenizer. + + This class handles the lower level string parsing by splitting it into + meaningful tokens. + + It was directly ported from the Java protocol buffer API. + """ + + _WHITESPACE = re.compile(r'\s+') + _COMMENT = re.compile(r'(\s*#.*$)', re.MULTILINE) + _WHITESPACE_OR_COMMENT = re.compile(r'(\s|(#.*$))+', re.MULTILINE) + _TOKEN = re.compile('|'.join([ + r'[a-zA-Z_][0-9a-zA-Z_+-]*', # an identifier + r'([0-9+-]|(\.[0-9]))[0-9a-zA-Z_.+-]*', # a number + ] + [ # quoted str for each quote mark + # Avoid backtracking! https://stackoverflow.com/a/844267 + r'{qt}[^{qt}\n\\]*((\\.)+[^{qt}\n\\]*)*({qt}|\\?$)'.format(qt=mark) + for mark in _QUOTES + ])) + + _IDENTIFIER = re.compile(r'[^\d\W]\w*') + _IDENTIFIER_OR_NUMBER = re.compile(r'\w+') + + def __init__(self, lines, skip_comments=True): + self._position = 0 + self._line = -1 + self._column = 0 + self._token_start = None + self.token = '' + self._lines = iter(lines) + self._current_line = '' + self._previous_line = 0 + self._previous_column = 0 + self._more_lines = True + self._skip_comments = skip_comments + self._whitespace_pattern = (skip_comments and self._WHITESPACE_OR_COMMENT + or self._WHITESPACE) + self._SkipWhitespace() + self.NextToken() + + def LookingAt(self, token): + return self.token == token + + def AtEnd(self): + """Checks the end of the text was reached. + + Returns: + True iff the end was reached. + """ + return not self.token + + def _PopLine(self): + while len(self._current_line) <= self._column: + try: + self._current_line = next(self._lines) + except StopIteration: + self._current_line = '' + self._more_lines = False + return + else: + self._line += 1 + self._column = 0 + + def _SkipWhitespace(self): + while True: + self._PopLine() + match = self._whitespace_pattern.match(self._current_line, self._column) + if not match: + break + length = len(match.group(0)) + self._column += length + + def TryConsume(self, token): + """Tries to consume a given piece of text. + + Args: + token: Text to consume. + + Returns: + True iff the text was consumed. + """ + if self.token == token: + self.NextToken() + return True + return False + + def Consume(self, token): + """Consumes a piece of text. + + Args: + token: Text to consume. + + Raises: + ParseError: If the text couldn't be consumed. + """ + if not self.TryConsume(token): + raise self.ParseError('Expected "%s".' % token) + + def ConsumeComment(self): + result = self.token + if not self._COMMENT.match(result): + raise self.ParseError('Expected comment.') + self.NextToken() + return result + + def ConsumeCommentOrTrailingComment(self): + """Consumes a comment, returns a 2-tuple (trailing bool, comment str).""" + + # Tokenizer initializes _previous_line and _previous_column to 0. As the + # tokenizer starts, it looks like there is a previous token on the line. + just_started = self._line == 0 and self._column == 0 + + before_parsing = self._previous_line + comment = self.ConsumeComment() + + # A trailing comment is a comment on the same line than the previous token. + trailing = (self._previous_line == before_parsing + and not just_started) + + return trailing, comment + + def TryConsumeIdentifier(self): + try: + self.ConsumeIdentifier() + return True + except ParseError: + return False + + def ConsumeIdentifier(self): + """Consumes protocol message field identifier. + + Returns: + Identifier string. + + Raises: + ParseError: If an identifier couldn't be consumed. + """ + result = self.token + if not self._IDENTIFIER.match(result): + raise self.ParseError('Expected identifier.') + self.NextToken() + return result + + def TryConsumeIdentifierOrNumber(self): + try: + self.ConsumeIdentifierOrNumber() + return True + except ParseError: + return False + + def ConsumeIdentifierOrNumber(self): + """Consumes protocol message field identifier. + + Returns: + Identifier string. + + Raises: + ParseError: If an identifier couldn't be consumed. + """ + result = self.token + if not self._IDENTIFIER_OR_NUMBER.match(result): + raise self.ParseError('Expected identifier or number, got %s.' % result) + self.NextToken() + return result + + def TryConsumeInteger(self): + try: + self.ConsumeInteger() + return True + except ParseError: + return False + + def ConsumeInteger(self): + """Consumes an integer number. + + Returns: + The integer parsed. + + Raises: + ParseError: If an integer couldn't be consumed. + """ + try: + result = _ParseAbstractInteger(self.token) + except ValueError as e: + raise self.ParseError(str(e)) + self.NextToken() + return result + + def TryConsumeFloat(self): + try: + self.ConsumeFloat() + return True + except ParseError: + return False + + def ConsumeFloat(self): + """Consumes an floating point number. + + Returns: + The number parsed. + + Raises: + ParseError: If a floating point number couldn't be consumed. + """ + try: + result = ParseFloat(self.token) + except ValueError as e: + raise self.ParseError(str(e)) + self.NextToken() + return result + + def ConsumeBool(self): + """Consumes a boolean value. + + Returns: + The bool parsed. + + Raises: + ParseError: If a boolean value couldn't be consumed. + """ + try: + result = ParseBool(self.token) + except ValueError as e: + raise self.ParseError(str(e)) + self.NextToken() + return result + + def TryConsumeByteString(self): + try: + self.ConsumeByteString() + return True + except ParseError: + return False + + def ConsumeString(self): + """Consumes a string value. + + Returns: + The string parsed. + + Raises: + ParseError: If a string value couldn't be consumed. + """ + the_bytes = self.ConsumeByteString() + try: + return str(the_bytes, 'utf-8') + except UnicodeDecodeError as e: + raise self._StringParseError(e) + + def ConsumeByteString(self): + """Consumes a byte array value. + + Returns: + The array parsed (as a string). + + Raises: + ParseError: If a byte array value couldn't be consumed. + """ + the_list = [self._ConsumeSingleByteString()] + while self.token and self.token[0] in _QUOTES: + the_list.append(self._ConsumeSingleByteString()) + return b''.join(the_list) + + def _ConsumeSingleByteString(self): + """Consume one token of a string literal. + + String literals (whether bytes or text) can come in multiple adjacent + tokens which are automatically concatenated, like in C or Python. This + method only consumes one token. + + Returns: + The token parsed. + Raises: + ParseError: When the wrong format data is found. + """ + text = self.token + if len(text) < 1 or text[0] not in _QUOTES: + raise self.ParseError('Expected string but found: %r' % (text,)) + + if len(text) < 2 or text[-1] != text[0]: + raise self.ParseError('String missing ending quote: %r' % (text,)) + + try: + result = text_encoding.CUnescape(text[1:-1]) + except ValueError as e: + raise self.ParseError(str(e)) + self.NextToken() + return result + + def ConsumeEnum(self, field): + try: + result = ParseEnum(field, self.token) + except ValueError as e: + raise self.ParseError(str(e)) + self.NextToken() + return result + + def ParseErrorPreviousToken(self, message): + """Creates and *returns* a ParseError for the previously read token. + + Args: + message: A message to set for the exception. + + Returns: + A ParseError instance. + """ + return ParseError(message, self._previous_line + 1, + self._previous_column + 1) + + def ParseError(self, message): + """Creates and *returns* a ParseError for the current token.""" + return ParseError('\'' + self._current_line + '\': ' + message, + self._line + 1, self._column + 1) + + def _StringParseError(self, e): + return self.ParseError('Couldn\'t parse string: ' + str(e)) + + def NextToken(self): + """Reads the next meaningful token.""" + self._previous_line = self._line + self._previous_column = self._column + + self._column += len(self.token) + self._SkipWhitespace() + + if not self._more_lines: + self.token = '' + return + + match = self._TOKEN.match(self._current_line, self._column) + if not match and not self._skip_comments: + match = self._COMMENT.match(self._current_line, self._column) + if match: + token = match.group(0) + self.token = token + else: + self.token = self._current_line[self._column] + +# Aliased so it can still be accessed by current visibility violators. +# TODO(dbarnett): Migrate violators to textformat_tokenizer. +_Tokenizer = Tokenizer # pylint: disable=invalid-name + + +def _ConsumeInt32(tokenizer): + """Consumes a signed 32bit integer number from tokenizer. + + Args: + tokenizer: A tokenizer used to parse the number. + + Returns: + The integer parsed. + + Raises: + ParseError: If a signed 32bit integer couldn't be consumed. + """ + return _ConsumeInteger(tokenizer, is_signed=True, is_long=False) + + +def _ConsumeUint32(tokenizer): + """Consumes an unsigned 32bit integer number from tokenizer. + + Args: + tokenizer: A tokenizer used to parse the number. + + Returns: + The integer parsed. + + Raises: + ParseError: If an unsigned 32bit integer couldn't be consumed. + """ + return _ConsumeInteger(tokenizer, is_signed=False, is_long=False) + + +def _TryConsumeInt64(tokenizer): + try: + _ConsumeInt64(tokenizer) + return True + except ParseError: + return False + + +def _ConsumeInt64(tokenizer): + """Consumes a signed 32bit integer number from tokenizer. + + Args: + tokenizer: A tokenizer used to parse the number. + + Returns: + The integer parsed. + + Raises: + ParseError: If a signed 32bit integer couldn't be consumed. + """ + return _ConsumeInteger(tokenizer, is_signed=True, is_long=True) + + +def _TryConsumeUint64(tokenizer): + try: + _ConsumeUint64(tokenizer) + return True + except ParseError: + return False + + +def _ConsumeUint64(tokenizer): + """Consumes an unsigned 64bit integer number from tokenizer. + + Args: + tokenizer: A tokenizer used to parse the number. + + Returns: + The integer parsed. + + Raises: + ParseError: If an unsigned 64bit integer couldn't be consumed. + """ + return _ConsumeInteger(tokenizer, is_signed=False, is_long=True) + + +def _ConsumeInteger(tokenizer, is_signed=False, is_long=False): + """Consumes an integer number from tokenizer. + + Args: + tokenizer: A tokenizer used to parse the number. + is_signed: True if a signed integer must be parsed. + is_long: True if a long integer must be parsed. + + Returns: + The integer parsed. + + Raises: + ParseError: If an integer with given characteristics couldn't be consumed. + """ + try: + result = ParseInteger(tokenizer.token, is_signed=is_signed, is_long=is_long) + except ValueError as e: + raise tokenizer.ParseError(str(e)) + tokenizer.NextToken() + return result + + +def ParseInteger(text, is_signed=False, is_long=False): + """Parses an integer. + + Args: + text: The text to parse. + is_signed: True if a signed integer must be parsed. + is_long: True if a long integer must be parsed. + + Returns: + The integer value. + + Raises: + ValueError: Thrown Iff the text is not a valid integer. + """ + # Do the actual parsing. Exception handling is propagated to caller. + result = _ParseAbstractInteger(text) + + # Check if the integer is sane. Exceptions handled by callers. + checker = _INTEGER_CHECKERS[2 * int(is_long) + int(is_signed)] + checker.CheckValue(result) + return result + + +def _ParseAbstractInteger(text): + """Parses an integer without checking size/signedness. + + Args: + text: The text to parse. + + Returns: + The integer value. + + Raises: + ValueError: Thrown Iff the text is not a valid integer. + """ + # Do the actual parsing. Exception handling is propagated to caller. + orig_text = text + c_octal_match = re.match(r'(-?)0(\d+)$', text) + if c_octal_match: + # Python 3 no longer supports 0755 octal syntax without the 'o', so + # we always use the '0o' prefix for multi-digit numbers starting with 0. + text = c_octal_match.group(1) + '0o' + c_octal_match.group(2) + try: + return int(text, 0) + except ValueError: + raise ValueError('Couldn\'t parse integer: %s' % orig_text) + + +def ParseFloat(text): + """Parse a floating point number. + + Args: + text: Text to parse. + + Returns: + The number parsed. + + Raises: + ValueError: If a floating point number couldn't be parsed. + """ + try: + # Assume Python compatible syntax. + return float(text) + except ValueError: + # Check alternative spellings. + if _FLOAT_INFINITY.match(text): + if text[0] == '-': + return float('-inf') + else: + return float('inf') + elif _FLOAT_NAN.match(text): + return float('nan') + else: + # assume '1.0f' format + try: + return float(text.rstrip('f')) + except ValueError: + raise ValueError('Couldn\'t parse float: %s' % text) + + +def ParseBool(text): + """Parse a boolean value. + + Args: + text: Text to parse. + + Returns: + Boolean values parsed + + Raises: + ValueError: If text is not a valid boolean. + """ + if text in ('true', 't', '1', 'True'): + return True + elif text in ('false', 'f', '0', 'False'): + return False + else: + raise ValueError('Expected "true" or "false".') + + +def ParseEnum(field, value): + """Parse an enum value. + + The value can be specified by a number (the enum value), or by + a string literal (the enum name). + + Args: + field: Enum field descriptor. + value: String value. + + Returns: + Enum value number. + + Raises: + ValueError: If the enum value could not be parsed. + """ + enum_descriptor = field.enum_type + try: + number = int(value, 0) + except ValueError: + # Identifier. + enum_value = enum_descriptor.values_by_name.get(value, None) + if enum_value is None: + raise ValueError('Enum type "%s" has no value named %s.' % + (enum_descriptor.full_name, value)) + else: + # Numeric value. + if hasattr(field.file, 'syntax'): + # Attribute is checked for compatibility. + if field.file.syntax == 'proto3': + # Proto3 accept numeric unknown enums. + return number + enum_value = enum_descriptor.values_by_number.get(number, None) + if enum_value is None: + raise ValueError('Enum type "%s" has no value with number %d.' % + (enum_descriptor.full_name, number)) + return enum_value.number diff --git a/venv/lib/python3.12/site-packages/google/protobuf/timestamp_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/timestamp_pb2.py new file mode 100644 index 0000000..1def5d3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/timestamp_pb2.py @@ -0,0 +1,26 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/timestamp.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1fgoogle/protobuf/timestamp.proto\x12\x0fgoogle.protobuf\";\n\tTimestamp\x12\x18\n\x07seconds\x18\x01 \x01(\x03R\x07seconds\x12\x14\n\x05nanos\x18\x02 \x01(\x05R\x05nanosB\x85\x01\n\x13\x63om.google.protobufB\x0eTimestampProtoP\x01Z2google.golang.org/protobuf/types/known/timestamppb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.timestamp_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\016TimestampProtoP\001Z2google.golang.org/protobuf/types/known/timestamppb\370\001\001\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _TIMESTAMP._serialized_start=52 + _TIMESTAMP._serialized_end=111 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/type_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/type_pb2.py new file mode 100644 index 0000000..0764ca2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/type_pb2.py @@ -0,0 +1,42 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/type.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + +from google.protobuf import any_pb2 as google_dot_protobuf_dot_any__pb2 +from google.protobuf import source_context_pb2 as google_dot_protobuf_dot_source__context__pb2 + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1agoogle/protobuf/type.proto\x12\x0fgoogle.protobuf\x1a\x19google/protobuf/any.proto\x1a$google/protobuf/source_context.proto\"\x8d\x02\n\x04Type\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12.\n\x06\x66ields\x18\x02 \x03(\x0b\x32\x16.google.protobuf.FieldR\x06\x66ields\x12\x16\n\x06oneofs\x18\x03 \x03(\tR\x06oneofs\x12\x31\n\x07options\x18\x04 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\x01(\tR\x0c\x64\x65\x66\x61ultValue\"\xc8\x02\n\x04Kind\x12\x10\n\x0cTYPE_UNKNOWN\x10\x00\x12\x0f\n\x0bTYPE_DOUBLE\x10\x01\x12\x0e\n\nTYPE_FLOAT\x10\x02\x12\x0e\n\nTYPE_INT64\x10\x03\x12\x0f\n\x0bTYPE_UINT64\x10\x04\x12\x0e\n\nTYPE_INT32\x10\x05\x12\x10\n\x0cTYPE_FIXED64\x10\x06\x12\x10\n\x0cTYPE_FIXED32\x10\x07\x12\r\n\tTYPE_BOOL\x10\x08\x12\x0f\n\x0bTYPE_STRING\x10\t\x12\x0e\n\nTYPE_GROUP\x10\n\x12\x10\n\x0cTYPE_MESSAGE\x10\x0b\x12\x0e\n\nTYPE_BYTES\x10\x0c\x12\x0f\n\x0bTYPE_UINT32\x10\r\x12\r\n\tTYPE_ENUM\x10\x0e\x12\x11\n\rTYPE_SFIXED32\x10\x0f\x12\x11\n\rTYPE_SFIXED64\x10\x10\x12\x0f\n\x0bTYPE_SINT32\x10\x11\x12\x0f\n\x0bTYPE_SINT64\x10\x12\"t\n\x0b\x43\x61rdinality\x12\x17\n\x13\x43\x41RDINALITY_UNKNOWN\x10\x00\x12\x18\n\x14\x43\x41RDINALITY_OPTIONAL\x10\x01\x12\x18\n\x14\x43\x41RDINALITY_REQUIRED\x10\x02\x12\x18\n\x14\x43\x41RDINALITY_REPEATED\x10\x03\"\xff\x01\n\x04\x45num\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12\x38\n\tenumvalue\x18\x02 \x03(\x0b\x32\x1a.google.protobuf.EnumValueR\tenumvalue\x12\x31\n\x07options\x18\x03 \x03(\x0b\x32\x17.google.protobuf.OptionR\x07options\x12\x45\n\x0esource_context\x18\x04 \x01(\x0b\x32\x1e.google.protobuf.SourceContextR\rsourceContext\x12/\n\x06syntax\x18\x05 \x01(\x0e\x32\x17.google.protobuf.SyntaxR\x06syntax\"j\n\tEnumValue\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12\x16\n\x06number\x18\x02 \x01(\x05R\x06number\x12\x31\n\x07options\x18\x03 \x03(\x0b\x32\x17.google.protobuf.OptionR\x07options\"H\n\x06Option\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12*\n\x05value\x18\x02 \x01(\x0b\x32\x14.google.protobuf.AnyR\x05value*.\n\x06Syntax\x12\x11\n\rSYNTAX_PROTO2\x10\x00\x12\x11\n\rSYNTAX_PROTO3\x10\x01\x42{\n\x13\x63om.google.protobufB\tTypeProtoP\x01Z-google.golang.org/protobuf/types/known/typepb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.type_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\tTypeProtoP\001Z-google.golang.org/protobuf/types/known/typepb\370\001\001\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _SYNTAX._serialized_start=1647 + _SYNTAX._serialized_end=1693 + _TYPE._serialized_start=113 + _TYPE._serialized_end=382 + _FIELD._serialized_start=385 + _FIELD._serialized_end=1205 + _FIELD_KIND._serialized_start=759 + _FIELD_KIND._serialized_end=1087 + _FIELD_CARDINALITY._serialized_start=1089 + _FIELD_CARDINALITY._serialized_end=1205 + _ENUM._serialized_start=1208 + _ENUM._serialized_end=1463 + _ENUMVALUE._serialized_start=1465 + _ENUMVALUE._serialized_end=1571 + _OPTION._serialized_start=1573 + _OPTION._serialized_end=1645 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/unknown_fields.py b/venv/lib/python3.12/site-packages/google/protobuf/unknown_fields.py new file mode 100644 index 0000000..3bd8286 --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/unknown_fields.py @@ -0,0 +1,120 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Contains Unknown Fields APIs. + +Simple usage example: + unknown_field_set = UnknownFieldSet(message) + for unknown_field in unknown_field_set: + wire_type = unknown_field.wire_type + field_number = unknown_field.field_number + data = unknown_field.data +""" + + +from google.protobuf.internal import api_implementation + +if api_implementation._c_module is not None: # pylint: disable=protected-access + UnknownFieldSet = api_implementation._c_module.UnknownFieldSet # pylint: disable=protected-access +else: + from google.protobuf.internal import decoder # pylint: disable=g-import-not-at-top + from google.protobuf.internal import wire_format # pylint: disable=g-import-not-at-top + + class UnknownField: + """A parsed unknown field.""" + + # Disallows assignment to other attributes. + __slots__ = ['_field_number', '_wire_type', '_data'] + + def __init__(self, field_number, wire_type, data): + self._field_number = field_number + self._wire_type = wire_type + self._data = data + return + + @property + def field_number(self): + return self._field_number + + @property + def wire_type(self): + return self._wire_type + + @property + def data(self): + return self._data + + class UnknownFieldSet: + """UnknownField container.""" + + # Disallows assignment to other attributes. + __slots__ = ['_values'] + + def __init__(self, msg): + + def InternalAdd(field_number, wire_type, data): + unknown_field = UnknownField(field_number, wire_type, data) + self._values.append(unknown_field) + + self._values = [] + msg_des = msg.DESCRIPTOR + # pylint: disable=protected-access + unknown_fields = msg._unknown_fields + if (msg_des.has_options and + msg_des.GetOptions().message_set_wire_format): + local_decoder = decoder.UnknownMessageSetItemDecoder() + for _, buffer in unknown_fields: + (field_number, data) = local_decoder(memoryview(buffer)) + InternalAdd(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED, data) + else: + for tag_bytes, buffer in unknown_fields: + # pylint: disable=protected-access + (tag, _) = decoder._DecodeVarint(tag_bytes, 0) + field_number, wire_type = wire_format.UnpackTag(tag) + if field_number == 0: + raise RuntimeError('Field number 0 is illegal.') + (data, _) = decoder._DecodeUnknownField( + memoryview(buffer), 0, wire_type) + InternalAdd(field_number, wire_type, data) + + def __getitem__(self, index): + size = len(self._values) + if index < 0: + index += size + if index < 0 or index >= size: + raise IndexError('index %d out of range'.index) + + return self._values[index] + + def __len__(self): + return len(self._values) + + def __iter__(self): + return iter(self._values) diff --git a/venv/lib/python3.12/site-packages/google/protobuf/util/__init__.py b/venv/lib/python3.12/site-packages/google/protobuf/util/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/google/protobuf/util/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/google/protobuf/util/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..4314e4d Binary files /dev/null and b/venv/lib/python3.12/site-packages/google/protobuf/util/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/google/protobuf/wrappers_pb2.py b/venv/lib/python3.12/site-packages/google/protobuf/wrappers_pb2.py new file mode 100644 index 0000000..6f850dc --- /dev/null +++ b/venv/lib/python3.12/site-packages/google/protobuf/wrappers_pb2.py @@ -0,0 +1,42 @@ +# -*- coding: utf-8 -*- +# Generated by the protocol buffer compiler. DO NOT EDIT! +# source: google/protobuf/wrappers.proto +"""Generated protocol buffer code.""" +from google.protobuf.internal import builder as _builder +from google.protobuf import descriptor as _descriptor +from google.protobuf import descriptor_pool as _descriptor_pool +from google.protobuf import symbol_database as _symbol_database +# @@protoc_insertion_point(imports) + +_sym_db = _symbol_database.Default() + + + + +DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1egoogle/protobuf/wrappers.proto\x12\x0fgoogle.protobuf\"#\n\x0b\x44oubleValue\x12\x14\n\x05value\x18\x01 \x01(\x01R\x05value\"\"\n\nFloatValue\x12\x14\n\x05value\x18\x01 \x01(\x02R\x05value\"\"\n\nInt64Value\x12\x14\n\x05value\x18\x01 \x01(\x03R\x05value\"#\n\x0bUInt64Value\x12\x14\n\x05value\x18\x01 \x01(\x04R\x05value\"\"\n\nInt32Value\x12\x14\n\x05value\x18\x01 \x01(\x05R\x05value\"#\n\x0bUInt32Value\x12\x14\n\x05value\x18\x01 \x01(\rR\x05value\"!\n\tBoolValue\x12\x14\n\x05value\x18\x01 \x01(\x08R\x05value\"#\n\x0bStringValue\x12\x14\n\x05value\x18\x01 \x01(\tR\x05value\"\"\n\nBytesValue\x12\x14\n\x05value\x18\x01 \x01(\x0cR\x05valueB\x83\x01\n\x13\x63om.google.protobufB\rWrappersProtoP\x01Z1google.golang.org/protobuf/types/known/wrapperspb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesb\x06proto3') + +_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) +_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'google.protobuf.wrappers_pb2', globals()) +if _descriptor._USE_C_DESCRIPTORS == False: + + DESCRIPTOR._options = None + DESCRIPTOR._serialized_options = b'\n\023com.google.protobufB\rWrappersProtoP\001Z1google.golang.org/protobuf/types/known/wrapperspb\370\001\001\242\002\003GPB\252\002\036Google.Protobuf.WellKnownTypes' + _DOUBLEVALUE._serialized_start=51 + _DOUBLEVALUE._serialized_end=86 + _FLOATVALUE._serialized_start=88 + _FLOATVALUE._serialized_end=122 + _INT64VALUE._serialized_start=124 + _INT64VALUE._serialized_end=158 + _UINT64VALUE._serialized_start=160 + _UINT64VALUE._serialized_end=195 + _INT32VALUE._serialized_start=197 + _INT32VALUE._serialized_end=231 + _UINT32VALUE._serialized_start=233 + _UINT32VALUE._serialized_end=268 + _BOOLVALUE._serialized_start=270 + _BOOLVALUE._serialized_end=303 + _STRINGVALUE._serialized_start=305 + _STRINGVALUE._serialized_end=340 + _BYTESVALUE._serialized_start=342 + _BYTESVALUE._serialized_end=376 +# @@protoc_insertion_point(module_scope) diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/LICENSE b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/LICENSE new file mode 100644 index 0000000..0dca6e1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/LICENSE @@ -0,0 +1,23 @@ +2009-2024 (c) Benoît Chesneau +2009-2015 (c) Paul J. Davis + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/METADATA b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/METADATA new file mode 100644 index 0000000..550aef2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/METADATA @@ -0,0 +1,130 @@ +Metadata-Version: 2.1 +Name: gunicorn +Version: 23.0.0 +Summary: WSGI HTTP Server for UNIX +Author-email: Benoit Chesneau +License: MIT +Project-URL: Homepage, https://gunicorn.org +Project-URL: Documentation, https://docs.gunicorn.org +Project-URL: Issue tracker, https://github.com/benoitc/gunicorn/issues +Project-URL: Source code, https://github.com/benoitc/gunicorn +Project-URL: Changelog, https://docs.gunicorn.org/en/stable/news.html +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Other Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Operating System :: MacOS :: MacOS X +Classifier: Operating System :: POSIX +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: 3.12 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Internet +Classifier: Topic :: Utilities +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Internet :: WWW/HTTP +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Server +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Requires-Python: >=3.7 +Description-Content-Type: text/x-rst +License-File: LICENSE +Requires-Dist: packaging +Requires-Dist: importlib-metadata ; python_version < "3.8" +Provides-Extra: eventlet +Requires-Dist: eventlet !=0.36.0,>=0.24.1 ; extra == 'eventlet' +Provides-Extra: gevent +Requires-Dist: gevent >=1.4.0 ; extra == 'gevent' +Provides-Extra: gthread +Provides-Extra: setproctitle +Requires-Dist: setproctitle ; extra == 'setproctitle' +Provides-Extra: testing +Requires-Dist: gevent ; extra == 'testing' +Requires-Dist: eventlet ; extra == 'testing' +Requires-Dist: coverage ; extra == 'testing' +Requires-Dist: pytest ; extra == 'testing' +Requires-Dist: pytest-cov ; extra == 'testing' +Provides-Extra: tornado +Requires-Dist: tornado >=0.2 ; extra == 'tornado' + +Gunicorn +-------- + +.. image:: https://img.shields.io/pypi/v/gunicorn.svg?style=flat + :alt: PyPI version + :target: https://pypi.python.org/pypi/gunicorn + +.. image:: https://img.shields.io/pypi/pyversions/gunicorn.svg + :alt: Supported Python versions + :target: https://pypi.python.org/pypi/gunicorn + +.. image:: https://github.com/benoitc/gunicorn/actions/workflows/tox.yml/badge.svg + :alt: Build Status + :target: https://github.com/benoitc/gunicorn/actions/workflows/tox.yml + +.. image:: https://github.com/benoitc/gunicorn/actions/workflows/lint.yml/badge.svg + :alt: Lint Status + :target: https://github.com/benoitc/gunicorn/actions/workflows/lint.yml + +Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. It's a pre-fork +worker model ported from Ruby's Unicorn_ project. The Gunicorn server is broadly +compatible with various web frameworks, simply implemented, light on server +resource usage, and fairly speedy. + +Feel free to join us in `#gunicorn`_ on `Libera.chat`_. + +Documentation +------------- + +The documentation is hosted at https://docs.gunicorn.org. + +Installation +------------ + +Gunicorn requires **Python 3.x >= 3.7**. + +Install from PyPI:: + + $ pip install gunicorn + + +Usage +----- + +Basic usage:: + + $ gunicorn [OPTIONS] APP_MODULE + +Where ``APP_MODULE`` is of the pattern ``$(MODULE_NAME):$(VARIABLE_NAME)``. The +module name can be a full dotted path. The variable name refers to a WSGI +callable that should be found in the specified module. + +Example with test app:: + + $ cd examples + $ gunicorn --workers=2 test:app + + +Contributing +------------ + +See `our complete contributor's guide `_ for more details. + + +License +------- + +Gunicorn is released under the MIT License. See the LICENSE_ file for more +details. + +.. _Unicorn: https://bogomips.org/unicorn/ +.. _`#gunicorn`: https://web.libera.chat/?channels=#gunicorn +.. _`Libera.chat`: https://libera.chat/ +.. _LICENSE: https://github.com/benoitc/gunicorn/blob/master/LICENSE diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/RECORD b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/RECORD new file mode 100644 index 0000000..5ab310c --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/RECORD @@ -0,0 +1,77 @@ +../../../bin/gunicorn,sha256=Pq5lzPG8Zo2aAiWvmvtefeAi02aaoB1I9xpawX5eNWs,259 +gunicorn-23.0.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +gunicorn-23.0.0.dist-info/LICENSE,sha256=ZkbNu6LpnjQh3RjCIXNXmh_eNH6DHa5q3ugO7-Mx6VE,1136 +gunicorn-23.0.0.dist-info/METADATA,sha256=KhY-mRcAcWCLIbXIHihsUNKWB5fGDOrsbq-JKQTBHY4,4421 +gunicorn-23.0.0.dist-info/RECORD,, 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+gunicorn/workers/workertmp.py,sha256=bswGosCIDb_wBfdGaFqHopgxbmJ6rgVXYlVhJDWZKIc,1604 diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/REQUESTED b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/WHEEL b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/WHEEL new file mode 100644 index 0000000..1a9c535 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: setuptools (72.1.0) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/entry_points.txt b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/entry_points.txt new file mode 100644 index 0000000..fd14749 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/entry_points.txt @@ -0,0 +1,5 @@ +[console_scripts] +gunicorn = gunicorn.app.wsgiapp:run + +[paste.server_runner] +main = gunicorn.app.pasterapp:serve diff --git a/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/top_level.txt new file mode 100644 index 0000000..8f22dcc --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn-23.0.0.dist-info/top_level.txt @@ -0,0 +1 @@ +gunicorn diff --git a/venv/lib/python3.12/site-packages/gunicorn/__init__.py b/venv/lib/python3.12/site-packages/gunicorn/__init__.py new file mode 100644 index 0000000..cdcd135 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/__init__.py @@ -0,0 +1,8 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +version_info = (23, 0, 0) +__version__ = ".".join([str(v) for v in version_info]) +SERVER = "gunicorn" +SERVER_SOFTWARE = "%s/%s" % (SERVER, __version__) diff --git 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NOTICE for more information. diff --git a/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..03c1d1d Binary files /dev/null and b/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/base.cpython-312.pyc b/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/base.cpython-312.pyc new file mode 100644 index 0000000..f0caa3c Binary files /dev/null and b/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/base.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/pasterapp.cpython-312.pyc b/venv/lib/python3.12/site-packages/gunicorn/app/__pycache__/pasterapp.cpython-312.pyc new file mode 100644 index 0000000..20f98a4 Binary files /dev/null and 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Config, get_default_config_file +from gunicorn import debug + + +class BaseApplication: + """ + An application interface for configuring and loading + the various necessities for any given web framework. + """ + def __init__(self, usage=None, prog=None): + self.usage = usage + self.cfg = None + self.callable = None + self.prog = prog + self.logger = None + self.do_load_config() + + def do_load_config(self): + """ + Loads the configuration + """ + try: + self.load_default_config() + self.load_config() + except Exception as e: + print("\nError: %s" % str(e), file=sys.stderr) + sys.stderr.flush() + sys.exit(1) + + def load_default_config(self): + # init configuration + self.cfg = Config(self.usage, prog=self.prog) + + def init(self, parser, opts, args): + raise NotImplementedError + + def load(self): + raise NotImplementedError + + def load_config(self): + """ + This method is used to load the configuration from one or several input(s). + Custom Command line, configuration file. + You have to override this method in your class. + """ + raise NotImplementedError + + def reload(self): + self.do_load_config() + if self.cfg.spew: + debug.spew() + + def wsgi(self): + if self.callable is None: + self.callable = self.load() + return self.callable + + def run(self): + try: + Arbiter(self).run() + except RuntimeError as e: + print("\nError: %s\n" % e, file=sys.stderr) + sys.stderr.flush() + sys.exit(1) + + +class Application(BaseApplication): + + # 'init' and 'load' methods are implemented by WSGIApplication. + # pylint: disable=abstract-method + + def chdir(self): + # chdir to the configured path before loading, + # default is the current dir + os.chdir(self.cfg.chdir) + + # add the path to sys.path + if self.cfg.chdir not in sys.path: + sys.path.insert(0, self.cfg.chdir) + + def get_config_from_filename(self, filename): + + if not os.path.exists(filename): + raise RuntimeError("%r doesn't exist" % filename) + + ext = os.path.splitext(filename)[1] + + try: + module_name = '__config__' + if ext in [".py", ".pyc"]: + spec = importlib.util.spec_from_file_location(module_name, filename) + else: + msg = "configuration file should have a valid Python extension.\n" + util.warn(msg) + loader_ = importlib.machinery.SourceFileLoader(module_name, filename) + spec = importlib.util.spec_from_file_location(module_name, filename, loader=loader_) + mod = importlib.util.module_from_spec(spec) + sys.modules[module_name] = mod + spec.loader.exec_module(mod) + except Exception: + print("Failed to read config file: %s" % filename, file=sys.stderr) + traceback.print_exc() + sys.stderr.flush() + sys.exit(1) + + return vars(mod) + + def get_config_from_module_name(self, module_name): + return vars(importlib.import_module(module_name)) + + def load_config_from_module_name_or_filename(self, location): + """ + Loads the configuration file: the file is a python file, otherwise raise an RuntimeError + Exception or stop the process if the configuration file contains a syntax error. + """ + + if location.startswith("python:"): + module_name = location[len("python:"):] + cfg = self.get_config_from_module_name(module_name) + else: + if location.startswith("file:"): + filename = location[len("file:"):] + else: + filename = location + cfg = self.get_config_from_filename(filename) + + for k, v in cfg.items(): + # Ignore unknown names + if k not in self.cfg.settings: + continue + try: + self.cfg.set(k.lower(), v) + except Exception: + print("Invalid value for %s: %s\n" % (k, v), file=sys.stderr) + sys.stderr.flush() + raise + + return cfg + + def load_config_from_file(self, filename): + return self.load_config_from_module_name_or_filename(location=filename) + + def load_config(self): + # parse console args + parser = self.cfg.parser() + args = parser.parse_args() + + # optional settings from apps + cfg = self.init(parser, args, args.args) + + # set up import paths and follow symlinks + self.chdir() + + # Load up the any app specific configuration + if cfg: + for k, v in cfg.items(): + self.cfg.set(k.lower(), v) + + env_args = parser.parse_args(self.cfg.get_cmd_args_from_env()) + + if args.config: + self.load_config_from_file(args.config) + elif env_args.config: + self.load_config_from_file(env_args.config) + else: + default_config = get_default_config_file() + if default_config is not None: + self.load_config_from_file(default_config) + + # Load up environment configuration + for k, v in vars(env_args).items(): + if v is None: + continue + if k == "args": + continue + self.cfg.set(k.lower(), v) + + # Lastly, update the configuration with any command line settings. + for k, v in vars(args).items(): + if v is None: + continue + if k == "args": + continue + self.cfg.set(k.lower(), v) + + # current directory might be changed by the config now + # set up import paths and follow symlinks + self.chdir() + + def run(self): + if self.cfg.print_config: + print(self.cfg) + + if self.cfg.print_config or self.cfg.check_config: + try: + self.load() + except Exception: + msg = "\nError while loading the application:\n" + print(msg, file=sys.stderr) + traceback.print_exc() + sys.stderr.flush() + sys.exit(1) + sys.exit(0) + + if self.cfg.spew: + debug.spew() + + if self.cfg.daemon: + if os.environ.get('NOTIFY_SOCKET'): + msg = "Warning: you shouldn't specify `daemon = True`" \ + " when launching by systemd with `Type = notify`" + print(msg, file=sys.stderr, flush=True) + + util.daemonize(self.cfg.enable_stdio_inheritance) + + # set python paths + if self.cfg.pythonpath: + paths = self.cfg.pythonpath.split(",") + for path in paths: + pythonpath = os.path.abspath(path) + if pythonpath not in sys.path: + sys.path.insert(0, pythonpath) + + super().run() diff --git a/venv/lib/python3.12/site-packages/gunicorn/app/pasterapp.py b/venv/lib/python3.12/site-packages/gunicorn/app/pasterapp.py new file mode 100644 index 0000000..b1738f2 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/app/pasterapp.py @@ -0,0 +1,74 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import configparser +import os + +from paste.deploy import loadapp + +from gunicorn.app.wsgiapp import WSGIApplication +from gunicorn.config import get_default_config_file + + +def get_wsgi_app(config_uri, name=None, defaults=None): + if ':' not in config_uri: + config_uri = "config:%s" % config_uri + + return loadapp( + config_uri, + name=name, + relative_to=os.getcwd(), + global_conf=defaults, + ) + + +def has_logging_config(config_file): + parser = configparser.ConfigParser() + parser.read([config_file]) + return parser.has_section('loggers') + + +def serve(app, global_conf, **local_conf): + """\ + A Paste Deployment server runner. + + Example configuration: + + [server:main] + use = egg:gunicorn#main + host = 127.0.0.1 + port = 5000 + """ + config_file = global_conf['__file__'] + gunicorn_config_file = local_conf.pop('config', None) + + host = local_conf.pop('host', '') + port = local_conf.pop('port', '') + if host and port: + local_conf['bind'] = '%s:%s' % (host, port) + elif host: + local_conf['bind'] = host.split(',') + + class PasterServerApplication(WSGIApplication): + def load_config(self): + self.cfg.set("default_proc_name", config_file) + + if has_logging_config(config_file): + self.cfg.set("logconfig", config_file) + + if gunicorn_config_file: + self.load_config_from_file(gunicorn_config_file) + else: + default_gunicorn_config_file = get_default_config_file() + if default_gunicorn_config_file is not None: + self.load_config_from_file(default_gunicorn_config_file) + + for k, v in local_conf.items(): + if v is not None: + self.cfg.set(k.lower(), v) + + def load(self): + return app + + PasterServerApplication().run() diff --git a/venv/lib/python3.12/site-packages/gunicorn/app/wsgiapp.py b/venv/lib/python3.12/site-packages/gunicorn/app/wsgiapp.py new file mode 100644 index 0000000..1b0ba96 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/app/wsgiapp.py @@ -0,0 +1,70 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import os + +from gunicorn.errors import ConfigError +from gunicorn.app.base import Application +from gunicorn import util + + +class WSGIApplication(Application): + def init(self, parser, opts, args): + self.app_uri = None + + if opts.paste: + from .pasterapp import has_logging_config + + config_uri = os.path.abspath(opts.paste) + config_file = config_uri.split('#')[0] + + if not os.path.exists(config_file): + raise ConfigError("%r not found" % config_file) + + self.cfg.set("default_proc_name", config_file) + self.app_uri = config_uri + + if has_logging_config(config_file): + self.cfg.set("logconfig", config_file) + + return + + if len(args) > 0: + self.cfg.set("default_proc_name", args[0]) + self.app_uri = args[0] + + def load_config(self): + super().load_config() + + if self.app_uri is None: + if self.cfg.wsgi_app is not None: + self.app_uri = self.cfg.wsgi_app + else: + raise ConfigError("No application module specified.") + + def load_wsgiapp(self): + return util.import_app(self.app_uri) + + def load_pasteapp(self): + from .pasterapp import get_wsgi_app + return get_wsgi_app(self.app_uri, defaults=self.cfg.paste_global_conf) + + def load(self): + if self.cfg.paste is not None: + return self.load_pasteapp() + else: + return self.load_wsgiapp() + + +def run(prog=None): + """\ + The ``gunicorn`` command line runner for launching Gunicorn with + generic WSGI applications. + """ + from gunicorn.app.wsgiapp import WSGIApplication + WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]", prog=prog).run() + + +if __name__ == '__main__': + run() diff --git a/venv/lib/python3.12/site-packages/gunicorn/arbiter.py b/venv/lib/python3.12/site-packages/gunicorn/arbiter.py new file mode 100644 index 0000000..1eaf453 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/arbiter.py @@ -0,0 +1,671 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. +import errno +import os +import random +import select +import signal +import sys +import time +import traceback + +from gunicorn.errors import HaltServer, AppImportError +from gunicorn.pidfile import Pidfile +from gunicorn import sock, systemd, util + +from gunicorn import __version__, SERVER_SOFTWARE + + +class Arbiter: + """ + Arbiter maintain the workers processes alive. It launches or + kills them if needed. It also manages application reloading + via SIGHUP/USR2. + """ + + # A flag indicating if a worker failed to + # to boot. If a worker process exist with + # this error code, the arbiter will terminate. + WORKER_BOOT_ERROR = 3 + + # A flag indicating if an application failed to be loaded + APP_LOAD_ERROR = 4 + + START_CTX = {} + + LISTENERS = [] + WORKERS = {} + PIPE = [] + + # I love dynamic languages + SIG_QUEUE = [] + SIGNALS = [getattr(signal, "SIG%s" % x) + for x in "HUP QUIT INT TERM TTIN TTOU USR1 USR2 WINCH".split()] + SIG_NAMES = dict( + (getattr(signal, name), name[3:].lower()) for name in dir(signal) + if name[:3] == "SIG" and name[3] != "_" + ) + + def __init__(self, app): + os.environ["SERVER_SOFTWARE"] = SERVER_SOFTWARE + + self._num_workers = None + self._last_logged_active_worker_count = None + self.log = None + + self.setup(app) + + self.pidfile = None + self.systemd = False + self.worker_age = 0 + self.reexec_pid = 0 + self.master_pid = 0 + self.master_name = "Master" + + cwd = util.getcwd() + + args = sys.argv[:] + args.insert(0, sys.executable) + + # init start context + self.START_CTX = { + "args": args, + "cwd": cwd, + 0: sys.executable + } + + def _get_num_workers(self): + return self._num_workers + + def _set_num_workers(self, value): + old_value = self._num_workers + self._num_workers = value + self.cfg.nworkers_changed(self, value, old_value) + num_workers = property(_get_num_workers, _set_num_workers) + + def setup(self, app): + self.app = app + self.cfg = app.cfg + + if self.log is None: + self.log = self.cfg.logger_class(app.cfg) + + # reopen files + if 'GUNICORN_PID' in os.environ: + self.log.reopen_files() + + self.worker_class = self.cfg.worker_class + self.address = self.cfg.address + self.num_workers = self.cfg.workers + self.timeout = self.cfg.timeout + self.proc_name = self.cfg.proc_name + + self.log.debug('Current configuration:\n{0}'.format( + '\n'.join( + ' {0}: {1}'.format(config, value.value) + for config, value + in sorted(self.cfg.settings.items(), + key=lambda setting: setting[1])))) + + # set environment' variables + if self.cfg.env: + for k, v in self.cfg.env.items(): + os.environ[k] = v + + if self.cfg.preload_app: + self.app.wsgi() + + def start(self): + """\ + Initialize the arbiter. Start listening and set pidfile if needed. + """ + self.log.info("Starting gunicorn %s", __version__) + + if 'GUNICORN_PID' in os.environ: + self.master_pid = int(os.environ.get('GUNICORN_PID')) + self.proc_name = self.proc_name + ".2" + self.master_name = "Master.2" + + self.pid = os.getpid() + if self.cfg.pidfile is not None: + pidname = self.cfg.pidfile + if self.master_pid != 0: + pidname += ".2" + self.pidfile = Pidfile(pidname) + self.pidfile.create(self.pid) + self.cfg.on_starting(self) + + self.init_signals() + + if not self.LISTENERS: + fds = None + listen_fds = systemd.listen_fds() + if listen_fds: + self.systemd = True + fds = range(systemd.SD_LISTEN_FDS_START, + systemd.SD_LISTEN_FDS_START + listen_fds) + + elif self.master_pid: + fds = [] + for fd in os.environ.pop('GUNICORN_FD').split(','): + fds.append(int(fd)) + + self.LISTENERS = sock.create_sockets(self.cfg, self.log, fds) + + listeners_str = ",".join([str(lnr) for lnr in self.LISTENERS]) + self.log.debug("Arbiter booted") + self.log.info("Listening at: %s (%s)", listeners_str, self.pid) + self.log.info("Using worker: %s", self.cfg.worker_class_str) + systemd.sd_notify("READY=1\nSTATUS=Gunicorn arbiter booted", self.log) + + # check worker class requirements + if hasattr(self.worker_class, "check_config"): + self.worker_class.check_config(self.cfg, self.log) + + self.cfg.when_ready(self) + + def init_signals(self): + """\ + Initialize master signal handling. Most of the signals + are queued. Child signals only wake up the master. + """ + # close old PIPE + for p in self.PIPE: + os.close(p) + + # initialize the pipe + self.PIPE = pair = os.pipe() + for p in pair: + util.set_non_blocking(p) + util.close_on_exec(p) + + self.log.close_on_exec() + + # initialize all signals + for s in self.SIGNALS: + signal.signal(s, self.signal) + signal.signal(signal.SIGCHLD, self.handle_chld) + + def signal(self, sig, frame): + if len(self.SIG_QUEUE) < 5: + self.SIG_QUEUE.append(sig) + self.wakeup() + + def run(self): + "Main master loop." + self.start() + util._setproctitle("master [%s]" % self.proc_name) + + try: + self.manage_workers() + + while True: + self.maybe_promote_master() + + sig = self.SIG_QUEUE.pop(0) if self.SIG_QUEUE else None + if sig is None: + self.sleep() + self.murder_workers() + self.manage_workers() + continue + + if sig not in self.SIG_NAMES: + self.log.info("Ignoring unknown signal: %s", sig) + continue + + signame = self.SIG_NAMES.get(sig) + handler = getattr(self, "handle_%s" % signame, None) + if not handler: + self.log.error("Unhandled signal: %s", signame) + continue + self.log.info("Handling signal: %s", signame) + handler() + self.wakeup() + except (StopIteration, KeyboardInterrupt): + self.halt() + except HaltServer as inst: + self.halt(reason=inst.reason, exit_status=inst.exit_status) + except SystemExit: + raise + except Exception: + self.log.error("Unhandled exception in main loop", + exc_info=True) + self.stop(False) + if self.pidfile is not None: + self.pidfile.unlink() + sys.exit(-1) + + def handle_chld(self, sig, frame): + "SIGCHLD handling" + self.reap_workers() + self.wakeup() + + def handle_hup(self): + """\ + HUP handling. + - Reload configuration + - Start the new worker processes with a new configuration + - Gracefully shutdown the old worker processes + """ + self.log.info("Hang up: %s", self.master_name) + self.reload() + + def handle_term(self): + "SIGTERM handling" + raise StopIteration + + def handle_int(self): + "SIGINT handling" + self.stop(False) + raise StopIteration + + def handle_quit(self): + "SIGQUIT handling" + self.stop(False) + raise StopIteration + + def handle_ttin(self): + """\ + SIGTTIN handling. + Increases the number of workers by one. + """ + self.num_workers += 1 + self.manage_workers() + + def handle_ttou(self): + """\ + SIGTTOU handling. + Decreases the number of workers by one. + """ + if self.num_workers <= 1: + return + self.num_workers -= 1 + self.manage_workers() + + def handle_usr1(self): + """\ + SIGUSR1 handling. + Kill all workers by sending them a SIGUSR1 + """ + self.log.reopen_files() + self.kill_workers(signal.SIGUSR1) + + def handle_usr2(self): + """\ + SIGUSR2 handling. + Creates a new arbiter/worker set as a fork of the current + arbiter without affecting old workers. Use this to do live + deployment with the ability to backout a change. + """ + self.reexec() + + def handle_winch(self): + """SIGWINCH handling""" + if self.cfg.daemon: + self.log.info("graceful stop of workers") + self.num_workers = 0 + self.kill_workers(signal.SIGTERM) + else: + self.log.debug("SIGWINCH ignored. Not daemonized") + + def maybe_promote_master(self): + if self.master_pid == 0: + return + + if self.master_pid != os.getppid(): + self.log.info("Master has been promoted.") + # reset master infos + self.master_name = "Master" + self.master_pid = 0 + self.proc_name = self.cfg.proc_name + del os.environ['GUNICORN_PID'] + # rename the pidfile + if self.pidfile is not None: + self.pidfile.rename(self.cfg.pidfile) + # reset proctitle + util._setproctitle("master [%s]" % self.proc_name) + + def wakeup(self): + """\ + Wake up the arbiter by writing to the PIPE + """ + try: + os.write(self.PIPE[1], b'.') + except OSError as e: + if e.errno not in [errno.EAGAIN, errno.EINTR]: + raise + + def halt(self, reason=None, exit_status=0): + """ halt arbiter """ + self.stop() + + log_func = self.log.info if exit_status == 0 else self.log.error + log_func("Shutting down: %s", self.master_name) + if reason is not None: + log_func("Reason: %s", reason) + + if self.pidfile is not None: + self.pidfile.unlink() + self.cfg.on_exit(self) + sys.exit(exit_status) + + def sleep(self): + """\ + Sleep until PIPE is readable or we timeout. + A readable PIPE means a signal occurred. + """ + try: + ready = select.select([self.PIPE[0]], [], [], 1.0) + if not ready[0]: + return + while os.read(self.PIPE[0], 1): + pass + except OSError as e: + # TODO: select.error is a subclass of OSError since Python 3.3. + error_number = getattr(e, 'errno', e.args[0]) + if error_number not in [errno.EAGAIN, errno.EINTR]: + raise + except KeyboardInterrupt: + sys.exit() + + def stop(self, graceful=True): + """\ + Stop workers + + :attr graceful: boolean, If True (the default) workers will be + killed gracefully (ie. trying to wait for the current connection) + """ + unlink = ( + self.reexec_pid == self.master_pid == 0 + and not self.systemd + and not self.cfg.reuse_port + ) + sock.close_sockets(self.LISTENERS, unlink) + + self.LISTENERS = [] + sig = signal.SIGTERM + if not graceful: + sig = signal.SIGQUIT + limit = time.time() + self.cfg.graceful_timeout + # instruct the workers to exit + self.kill_workers(sig) + # wait until the graceful timeout + while self.WORKERS and time.time() < limit: + time.sleep(0.1) + + self.kill_workers(signal.SIGKILL) + + def reexec(self): + """\ + Relaunch the master and workers. + """ + if self.reexec_pid != 0: + self.log.warning("USR2 signal ignored. Child exists.") + return + + if self.master_pid != 0: + self.log.warning("USR2 signal ignored. Parent exists.") + return + + master_pid = os.getpid() + self.reexec_pid = os.fork() + if self.reexec_pid != 0: + return + + self.cfg.pre_exec(self) + + environ = self.cfg.env_orig.copy() + environ['GUNICORN_PID'] = str(master_pid) + + if self.systemd: + environ['LISTEN_PID'] = str(os.getpid()) + environ['LISTEN_FDS'] = str(len(self.LISTENERS)) + else: + environ['GUNICORN_FD'] = ','.join( + str(lnr.fileno()) for lnr in self.LISTENERS) + + os.chdir(self.START_CTX['cwd']) + + # exec the process using the original environment + os.execvpe(self.START_CTX[0], self.START_CTX['args'], environ) + + def reload(self): + old_address = self.cfg.address + + # reset old environment + for k in self.cfg.env: + if k in self.cfg.env_orig: + # reset the key to the value it had before + # we launched gunicorn + os.environ[k] = self.cfg.env_orig[k] + else: + # delete the value set by gunicorn + try: + del os.environ[k] + except KeyError: + pass + + # reload conf + self.app.reload() + self.setup(self.app) + + # reopen log files + self.log.reopen_files() + + # do we need to change listener ? + if old_address != self.cfg.address: + # close all listeners + for lnr in self.LISTENERS: + lnr.close() + # init new listeners + self.LISTENERS = sock.create_sockets(self.cfg, self.log) + listeners_str = ",".join([str(lnr) for lnr in self.LISTENERS]) + self.log.info("Listening at: %s", listeners_str) + + # do some actions on reload + self.cfg.on_reload(self) + + # unlink pidfile + if self.pidfile is not None: + self.pidfile.unlink() + + # create new pidfile + if self.cfg.pidfile is not None: + self.pidfile = Pidfile(self.cfg.pidfile) + self.pidfile.create(self.pid) + + # set new proc_name + util._setproctitle("master [%s]" % self.proc_name) + + # spawn new workers + for _ in range(self.cfg.workers): + self.spawn_worker() + + # manage workers + self.manage_workers() + + def murder_workers(self): + """\ + Kill unused/idle workers + """ + if not self.timeout: + return + workers = list(self.WORKERS.items()) + for (pid, worker) in workers: + try: + if time.monotonic() - worker.tmp.last_update() <= self.timeout: + continue + except (OSError, ValueError): + continue + + if not worker.aborted: + self.log.critical("WORKER TIMEOUT (pid:%s)", pid) + worker.aborted = True + self.kill_worker(pid, signal.SIGABRT) + else: + self.kill_worker(pid, signal.SIGKILL) + + def reap_workers(self): + """\ + Reap workers to avoid zombie processes + """ + try: + while True: + wpid, status = os.waitpid(-1, os.WNOHANG) + if not wpid: + break + if self.reexec_pid == wpid: + self.reexec_pid = 0 + else: + # A worker was terminated. If the termination reason was + # that it could not boot, we'll shut it down to avoid + # infinite start/stop cycles. + exitcode = status >> 8 + if exitcode != 0: + self.log.error('Worker (pid:%s) exited with code %s', wpid, exitcode) + if exitcode == self.WORKER_BOOT_ERROR: + reason = "Worker failed to boot." + raise HaltServer(reason, self.WORKER_BOOT_ERROR) + if exitcode == self.APP_LOAD_ERROR: + reason = "App failed to load." + raise HaltServer(reason, self.APP_LOAD_ERROR) + + if exitcode > 0: + # If the exit code of the worker is greater than 0, + # let the user know. + self.log.error("Worker (pid:%s) exited with code %s.", + wpid, exitcode) + elif status > 0: + # If the exit code of the worker is 0 and the status + # is greater than 0, then it was most likely killed + # via a signal. + try: + sig_name = signal.Signals(status).name + except ValueError: + sig_name = "code {}".format(status) + msg = "Worker (pid:{}) was sent {}!".format( + wpid, sig_name) + + # Additional hint for SIGKILL + if status == signal.SIGKILL: + msg += " Perhaps out of memory?" + self.log.error(msg) + + worker = self.WORKERS.pop(wpid, None) + if not worker: + continue + worker.tmp.close() + self.cfg.child_exit(self, worker) + except OSError as e: + if e.errno != errno.ECHILD: + raise + + def manage_workers(self): + """\ + Maintain the number of workers by spawning or killing + as required. + """ + if len(self.WORKERS) < self.num_workers: + self.spawn_workers() + + workers = self.WORKERS.items() + workers = sorted(workers, key=lambda w: w[1].age) + while len(workers) > self.num_workers: + (pid, _) = workers.pop(0) + self.kill_worker(pid, signal.SIGTERM) + + active_worker_count = len(workers) + if self._last_logged_active_worker_count != active_worker_count: + self._last_logged_active_worker_count = active_worker_count + self.log.debug("{0} workers".format(active_worker_count), + extra={"metric": "gunicorn.workers", + "value": active_worker_count, + "mtype": "gauge"}) + + def spawn_worker(self): + self.worker_age += 1 + worker = self.worker_class(self.worker_age, self.pid, self.LISTENERS, + self.app, self.timeout / 2.0, + self.cfg, self.log) + self.cfg.pre_fork(self, worker) + pid = os.fork() + if pid != 0: + worker.pid = pid + self.WORKERS[pid] = worker + return pid + + # Do not inherit the temporary files of other workers + for sibling in self.WORKERS.values(): + sibling.tmp.close() + + # Process Child + worker.pid = os.getpid() + try: + util._setproctitle("worker [%s]" % self.proc_name) + self.log.info("Booting worker with pid: %s", worker.pid) + self.cfg.post_fork(self, worker) + worker.init_process() + sys.exit(0) + except SystemExit: + raise + except AppImportError as e: + self.log.debug("Exception while loading the application", + exc_info=True) + print("%s" % e, file=sys.stderr) + sys.stderr.flush() + sys.exit(self.APP_LOAD_ERROR) + except Exception: + self.log.exception("Exception in worker process") + if not worker.booted: + sys.exit(self.WORKER_BOOT_ERROR) + sys.exit(-1) + finally: + self.log.info("Worker exiting (pid: %s)", worker.pid) + try: + worker.tmp.close() + self.cfg.worker_exit(self, worker) + except Exception: + self.log.warning("Exception during worker exit:\n%s", + traceback.format_exc()) + + def spawn_workers(self): + """\ + Spawn new workers as needed. + + This is where a worker process leaves the main loop + of the master process. + """ + + for _ in range(self.num_workers - len(self.WORKERS)): + self.spawn_worker() + time.sleep(0.1 * random.random()) + + def kill_workers(self, sig): + """\ + Kill all workers with the signal `sig` + :attr sig: `signal.SIG*` value + """ + worker_pids = list(self.WORKERS.keys()) + for pid in worker_pids: + self.kill_worker(pid, sig) + + def kill_worker(self, pid, sig): + """\ + Kill a worker + + :attr pid: int, worker pid + :attr sig: `signal.SIG*` value + """ + try: + os.kill(pid, sig) + except OSError as e: + if e.errno == errno.ESRCH: + try: + worker = self.WORKERS.pop(pid) + worker.tmp.close() + self.cfg.worker_exit(self, worker) + return + except (KeyError, OSError): + return + raise diff --git a/venv/lib/python3.12/site-packages/gunicorn/config.py b/venv/lib/python3.12/site-packages/gunicorn/config.py new file mode 100644 index 0000000..402a26b --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/config.py @@ -0,0 +1,2442 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +# Please remember to run "make -C docs html" after update "desc" attributes. + +import argparse +import copy +import grp +import inspect +import ipaddress +import os +import pwd +import re +import shlex +import ssl +import sys +import textwrap + +from gunicorn import __version__, util +from gunicorn.errors import ConfigError +from gunicorn.reloader import reloader_engines + +KNOWN_SETTINGS = [] +PLATFORM = sys.platform + + +def make_settings(ignore=None): + settings = {} + ignore = ignore or () + for s in KNOWN_SETTINGS: + setting = s() + if setting.name in ignore: + continue + settings[setting.name] = setting.copy() + return settings + + +def auto_int(_, x): + # for compatible with octal numbers in python3 + if re.match(r'0(\d)', x, re.IGNORECASE): + x = x.replace('0', '0o', 1) + return int(x, 0) + + +class Config: + + def __init__(self, usage=None, prog=None): + self.settings = make_settings() + self.usage = usage + self.prog = prog or os.path.basename(sys.argv[0]) + self.env_orig = os.environ.copy() + + def __str__(self): + lines = [] + kmax = max(len(k) for k in self.settings) + for k in sorted(self.settings): + v = self.settings[k].value + if callable(v): + v = "<{}()>".format(v.__qualname__) + lines.append("{k:{kmax}} = {v}".format(k=k, v=v, kmax=kmax)) + return "\n".join(lines) + + def __getattr__(self, name): + if name not in self.settings: + raise AttributeError("No configuration setting for: %s" % name) + return self.settings[name].get() + + def __setattr__(self, name, value): + if name != "settings" and name in self.settings: + raise AttributeError("Invalid access!") + super().__setattr__(name, value) + + def set(self, name, value): + if name not in self.settings: + raise AttributeError("No configuration setting for: %s" % name) + self.settings[name].set(value) + + def get_cmd_args_from_env(self): + if 'GUNICORN_CMD_ARGS' in self.env_orig: + return shlex.split(self.env_orig['GUNICORN_CMD_ARGS']) + return [] + + def parser(self): + kwargs = { + "usage": self.usage, + "prog": self.prog + } + parser = argparse.ArgumentParser(**kwargs) + parser.add_argument("-v", "--version", + action="version", default=argparse.SUPPRESS, + version="%(prog)s (version " + __version__ + ")\n", + help="show program's version number and exit") + parser.add_argument("args", nargs="*", help=argparse.SUPPRESS) + + keys = sorted(self.settings, key=self.settings.__getitem__) + for k in keys: + self.settings[k].add_option(parser) + + return parser + + @property + def worker_class_str(self): + uri = self.settings['worker_class'].get() + + if isinstance(uri, str): + # are we using a threaded worker? + is_sync = uri.endswith('SyncWorker') or uri == 'sync' + if is_sync and self.threads > 1: + return "gthread" + return uri + return uri.__name__ + + @property + def worker_class(self): + uri = self.settings['worker_class'].get() + + # are we using a threaded worker? + is_sync = isinstance(uri, str) and (uri.endswith('SyncWorker') or uri == 'sync') + if is_sync and self.threads > 1: + uri = "gunicorn.workers.gthread.ThreadWorker" + + worker_class = util.load_class(uri) + if hasattr(worker_class, "setup"): + worker_class.setup() + return worker_class + + @property + def address(self): + s = self.settings['bind'].get() + return [util.parse_address(util.bytes_to_str(bind)) for bind in s] + + @property + def uid(self): + return self.settings['user'].get() + + @property + def gid(self): + return self.settings['group'].get() + + @property + def proc_name(self): + pn = self.settings['proc_name'].get() + if pn is not None: + return pn + else: + return self.settings['default_proc_name'].get() + + @property + def logger_class(self): + uri = self.settings['logger_class'].get() + if uri == "simple": + # support the default + uri = LoggerClass.default + + # if default logger is in use, and statsd is on, automagically switch + # to the statsd logger + if uri == LoggerClass.default: + if 'statsd_host' in self.settings and self.settings['statsd_host'].value is not None: + uri = "gunicorn.instrument.statsd.Statsd" + + logger_class = util.load_class( + uri, + default="gunicorn.glogging.Logger", + section="gunicorn.loggers") + + if hasattr(logger_class, "install"): + logger_class.install() + return logger_class + + @property + def is_ssl(self): + return self.certfile or self.keyfile + + @property + def ssl_options(self): + opts = {} + for name, value in self.settings.items(): + if value.section == 'SSL': + opts[name] = value.get() + return opts + + @property + def env(self): + raw_env = self.settings['raw_env'].get() + env = {} + + if not raw_env: + return env + + for e in raw_env: + s = util.bytes_to_str(e) + try: + k, v = s.split('=', 1) + except ValueError: + raise RuntimeError("environment setting %r invalid" % s) + + env[k] = v + + return env + + @property + def sendfile(self): + if self.settings['sendfile'].get() is not None: + return False + + if 'SENDFILE' in os.environ: + sendfile = os.environ['SENDFILE'].lower() + return sendfile in ['y', '1', 'yes', 'true'] + + return True + + @property + def reuse_port(self): + return self.settings['reuse_port'].get() + + @property + def paste_global_conf(self): + raw_global_conf = self.settings['raw_paste_global_conf'].get() + if raw_global_conf is None: + return None + + global_conf = {} + for e in raw_global_conf: + s = util.bytes_to_str(e) + try: + k, v = re.split(r'(?" % ( + self.__class__.__module__, + self.__class__.__name__, + id(self), + self.value, + ) + + +Setting = SettingMeta('Setting', (Setting,), {}) + + +def validate_bool(val): + if val is None: + return + + if isinstance(val, bool): + return val + if not isinstance(val, str): + raise TypeError("Invalid type for casting: %s" % val) + if val.lower().strip() == "true": + return True + elif val.lower().strip() == "false": + return False + else: + raise ValueError("Invalid boolean: %s" % val) + + +def validate_dict(val): + if not isinstance(val, dict): + raise TypeError("Value is not a dictionary: %s " % val) + return val + + +def validate_pos_int(val): + if not isinstance(val, int): + val = int(val, 0) + else: + # Booleans are ints! + val = int(val) + if val < 0: + raise ValueError("Value must be positive: %s" % val) + return val + + +def validate_ssl_version(val): + if val != SSLVersion.default: + sys.stderr.write("Warning: option `ssl_version` is deprecated and it is ignored. Use ssl_context instead.\n") + return val + + +def validate_string(val): + if val is None: + return None + if not isinstance(val, str): + raise TypeError("Not a string: %s" % val) + return val.strip() + + +def validate_file_exists(val): + if val is None: + return None + if not os.path.exists(val): + raise ValueError("File %s does not exists." % val) + return val + + +def validate_list_string(val): + if not val: + return [] + + # legacy syntax + if isinstance(val, str): + val = [val] + + return [validate_string(v) for v in val] + + +def validate_list_of_existing_files(val): + return [validate_file_exists(v) for v in validate_list_string(val)] + + +def validate_string_to_addr_list(val): + val = validate_string_to_list(val) + + for addr in val: + if addr == "*": + continue + _vaid_ip = ipaddress.ip_address(addr) + + return val + + +def validate_string_to_list(val): + val = validate_string(val) + + if not val: + return [] + + return [v.strip() for v in val.split(",") if v] + + +def validate_class(val): + if inspect.isfunction(val) or inspect.ismethod(val): + val = val() + if inspect.isclass(val): + return val + return validate_string(val) + + +def validate_callable(arity): + def _validate_callable(val): + if isinstance(val, str): + try: + mod_name, obj_name = val.rsplit(".", 1) + except ValueError: + raise TypeError("Value '%s' is not import string. " + "Format: module[.submodules...].object" % val) + try: + mod = __import__(mod_name, fromlist=[obj_name]) + val = getattr(mod, obj_name) + except ImportError as e: + raise TypeError(str(e)) + except AttributeError: + raise TypeError("Can not load '%s' from '%s'" + "" % (obj_name, mod_name)) + if not callable(val): + raise TypeError("Value is not callable: %s" % val) + if arity != -1 and arity != util.get_arity(val): + raise TypeError("Value must have an arity of: %s" % arity) + return val + return _validate_callable + + +def validate_user(val): + if val is None: + return os.geteuid() + if isinstance(val, int): + return val + elif val.isdigit(): + return int(val) + else: + try: + return pwd.getpwnam(val).pw_uid + except KeyError: + raise ConfigError("No such user: '%s'" % val) + + +def validate_group(val): + if val is None: + return os.getegid() + + if isinstance(val, int): + return val + elif val.isdigit(): + return int(val) + else: + try: + return grp.getgrnam(val).gr_gid + except KeyError: + raise ConfigError("No such group: '%s'" % val) + + +def validate_post_request(val): + val = validate_callable(-1)(val) + + largs = util.get_arity(val) + if largs == 4: + return val + elif largs == 3: + return lambda worker, req, env, _r: val(worker, req, env) + elif largs == 2: + return lambda worker, req, _e, _r: val(worker, req) + else: + raise TypeError("Value must have an arity of: 4") + + +def validate_chdir(val): + # valid if the value is a string + val = validate_string(val) + + # transform relative paths + path = os.path.abspath(os.path.normpath(os.path.join(util.getcwd(), val))) + + # test if the path exists + if not os.path.exists(path): + raise ConfigError("can't chdir to %r" % val) + + return path + + +def validate_statsd_address(val): + val = validate_string(val) + if val is None: + return None + + # As of major release 20, util.parse_address would recognize unix:PORT + # as a UDS address, breaking backwards compatibility. We defend against + # that regression here (this is also unit-tested). + # Feel free to remove in the next major release. + unix_hostname_regression = re.match(r'^unix:(\d+)$', val) + if unix_hostname_regression: + return ('unix', int(unix_hostname_regression.group(1))) + + try: + address = util.parse_address(val, default_port='8125') + except RuntimeError: + raise TypeError("Value must be one of ('host:port', 'unix://PATH')") + + return address + + +def validate_reload_engine(val): + if val not in reloader_engines: + raise ConfigError("Invalid reload_engine: %r" % val) + + return val + + +def get_default_config_file(): + config_path = os.path.join(os.path.abspath(os.getcwd()), + 'gunicorn.conf.py') + if os.path.exists(config_path): + return config_path + return None + + +class ConfigFile(Setting): + name = "config" + section = "Config File" + cli = ["-c", "--config"] + meta = "CONFIG" + validator = validate_string + default = "./gunicorn.conf.py" + desc = """\ + :ref:`The Gunicorn config file`. + + A string of the form ``PATH``, ``file:PATH``, or ``python:MODULE_NAME``. + + Only has an effect when specified on the command line or as part of an + application specific configuration. + + By default, a file named ``gunicorn.conf.py`` will be read from the same + directory where gunicorn is being run. + + .. versionchanged:: 19.4 + Loading the config from a Python module requires the ``python:`` + prefix. + """ + + +class WSGIApp(Setting): + name = "wsgi_app" + section = "Config File" + meta = "STRING" + validator = validate_string + default = None + desc = """\ + A WSGI application path in pattern ``$(MODULE_NAME):$(VARIABLE_NAME)``. + + .. versionadded:: 20.1.0 + """ + + +class Bind(Setting): + name = "bind" + action = "append" + section = "Server Socket" + cli = ["-b", "--bind"] + meta = "ADDRESS" + validator = validate_list_string + + if 'PORT' in os.environ: + default = ['0.0.0.0:{0}'.format(os.environ.get('PORT'))] + else: + default = ['127.0.0.1:8000'] + + desc = """\ + The socket to bind. + + A string of the form: ``HOST``, ``HOST:PORT``, ``unix:PATH``, + ``fd://FD``. An IP is a valid ``HOST``. + + .. versionchanged:: 20.0 + Support for ``fd://FD`` got added. + + Multiple addresses can be bound. ex.:: + + $ gunicorn -b 127.0.0.1:8000 -b [::1]:8000 test:app + + will bind the `test:app` application on localhost both on ipv6 + and ipv4 interfaces. + + If the ``PORT`` environment variable is defined, the default + is ``['0.0.0.0:$PORT']``. If it is not defined, the default + is ``['127.0.0.1:8000']``. + """ + + +class Backlog(Setting): + name = "backlog" + section = "Server Socket" + cli = ["--backlog"] + meta = "INT" + validator = validate_pos_int + type = int + default = 2048 + desc = """\ + The maximum number of pending connections. + + This refers to the number of clients that can be waiting to be served. + Exceeding this number results in the client getting an error when + attempting to connect. It should only affect servers under significant + load. + + Must be a positive integer. Generally set in the 64-2048 range. + """ + + +class Workers(Setting): + name = "workers" + section = "Worker Processes" + cli = ["-w", "--workers"] + meta = "INT" + validator = validate_pos_int + type = int + default = int(os.environ.get("WEB_CONCURRENCY", 1)) + desc = """\ + The number of worker processes for handling requests. + + A positive integer generally in the ``2-4 x $(NUM_CORES)`` range. + You'll want to vary this a bit to find the best for your particular + application's work load. + + By default, the value of the ``WEB_CONCURRENCY`` environment variable, + which is set by some Platform-as-a-Service providers such as Heroku. If + it is not defined, the default is ``1``. + """ + + +class WorkerClass(Setting): + name = "worker_class" + section = "Worker Processes" + cli = ["-k", "--worker-class"] + meta = "STRING" + validator = validate_class + default = "sync" + desc = """\ + The type of workers to use. + + The default class (``sync``) should handle most "normal" types of + workloads. You'll want to read :doc:`design` for information on when + you might want to choose one of the other worker classes. Required + libraries may be installed using setuptools' ``extras_require`` feature. + + A string referring to one of the following bundled classes: + + * ``sync`` + * ``eventlet`` - Requires eventlet >= 0.24.1 (or install it via + ``pip install gunicorn[eventlet]``) + * ``gevent`` - Requires gevent >= 1.4 (or install it via + ``pip install gunicorn[gevent]``) + * ``tornado`` - Requires tornado >= 0.2 (or install it via + ``pip install gunicorn[tornado]``) + * ``gthread`` - Python 2 requires the futures package to be installed + (or install it via ``pip install gunicorn[gthread]``) + + Optionally, you can provide your own worker by giving Gunicorn a + Python path to a subclass of ``gunicorn.workers.base.Worker``. + This alternative syntax will load the gevent class: + ``gunicorn.workers.ggevent.GeventWorker``. + """ + + +class WorkerThreads(Setting): + name = "threads" + section = "Worker Processes" + cli = ["--threads"] + meta = "INT" + validator = validate_pos_int + type = int + default = 1 + desc = """\ + The number of worker threads for handling requests. + + Run each worker with the specified number of threads. + + A positive integer generally in the ``2-4 x $(NUM_CORES)`` range. + You'll want to vary this a bit to find the best for your particular + application's work load. + + If it is not defined, the default is ``1``. + + This setting only affects the Gthread worker type. + + .. note:: + If you try to use the ``sync`` worker type and set the ``threads`` + setting to more than 1, the ``gthread`` worker type will be used + instead. + """ + + +class WorkerConnections(Setting): + name = "worker_connections" + section = "Worker Processes" + cli = ["--worker-connections"] + meta = "INT" + validator = validate_pos_int + type = int + default = 1000 + desc = """\ + The maximum number of simultaneous clients. + + This setting only affects the ``gthread``, ``eventlet`` and ``gevent`` worker types. + """ + + +class MaxRequests(Setting): + name = "max_requests" + section = "Worker Processes" + cli = ["--max-requests"] + meta = "INT" + validator = validate_pos_int + type = int + default = 0 + desc = """\ + The maximum number of requests a worker will process before restarting. + + Any value greater than zero will limit the number of requests a worker + will process before automatically restarting. This is a simple method + to help limit the damage of memory leaks. + + If this is set to zero (the default) then the automatic worker + restarts are disabled. + """ + + +class MaxRequestsJitter(Setting): + name = "max_requests_jitter" + section = "Worker Processes" + cli = ["--max-requests-jitter"] + meta = "INT" + validator = validate_pos_int + type = int + default = 0 + desc = """\ + The maximum jitter to add to the *max_requests* setting. + + The jitter causes the restart per worker to be randomized by + ``randint(0, max_requests_jitter)``. This is intended to stagger worker + restarts to avoid all workers restarting at the same time. + + .. versionadded:: 19.2 + """ + + +class Timeout(Setting): + name = "timeout" + section = "Worker Processes" + cli = ["-t", "--timeout"] + meta = "INT" + validator = validate_pos_int + type = int + default = 30 + desc = """\ + Workers silent for more than this many seconds are killed and restarted. + + Value is a positive number or 0. Setting it to 0 has the effect of + infinite timeouts by disabling timeouts for all workers entirely. + + Generally, the default of thirty seconds should suffice. Only set this + noticeably higher if you're sure of the repercussions for sync workers. + For the non sync workers it just means that the worker process is still + communicating and is not tied to the length of time required to handle a + single request. + """ + + +class GracefulTimeout(Setting): + name = "graceful_timeout" + section = "Worker Processes" + cli = ["--graceful-timeout"] + meta = "INT" + validator = validate_pos_int + type = int + default = 30 + desc = """\ + Timeout for graceful workers restart. + + After receiving a restart signal, workers have this much time to finish + serving requests. Workers still alive after the timeout (starting from + the receipt of the restart signal) are force killed. + """ + + +class Keepalive(Setting): + name = "keepalive" + section = "Worker Processes" + cli = ["--keep-alive"] + meta = "INT" + validator = validate_pos_int + type = int + default = 2 + desc = """\ + The number of seconds to wait for requests on a Keep-Alive connection. + + Generally set in the 1-5 seconds range for servers with direct connection + to the client (e.g. when you don't have separate load balancer). When + Gunicorn is deployed behind a load balancer, it often makes sense to + set this to a higher value. + + .. note:: + ``sync`` worker does not support persistent connections and will + ignore this option. + """ + + +class LimitRequestLine(Setting): + name = "limit_request_line" + section = "Security" + cli = ["--limit-request-line"] + meta = "INT" + validator = validate_pos_int + type = int + default = 4094 + desc = """\ + The maximum size of HTTP request line in bytes. + + This parameter is used to limit the allowed size of a client's + HTTP request-line. Since the request-line consists of the HTTP + method, URI, and protocol version, this directive places a + restriction on the length of a request-URI allowed for a request + on the server. A server needs this value to be large enough to + hold any of its resource names, including any information that + might be passed in the query part of a GET request. Value is a number + from 0 (unlimited) to 8190. + + This parameter can be used to prevent any DDOS attack. + """ + + +class LimitRequestFields(Setting): + name = "limit_request_fields" + section = "Security" + cli = ["--limit-request-fields"] + meta = "INT" + validator = validate_pos_int + type = int + default = 100 + desc = """\ + Limit the number of HTTP headers fields in a request. + + This parameter is used to limit the number of headers in a request to + prevent DDOS attack. Used with the *limit_request_field_size* it allows + more safety. By default this value is 100 and can't be larger than + 32768. + """ + + +class LimitRequestFieldSize(Setting): + name = "limit_request_field_size" + section = "Security" + cli = ["--limit-request-field_size"] + meta = "INT" + validator = validate_pos_int + type = int + default = 8190 + desc = """\ + Limit the allowed size of an HTTP request header field. + + Value is a positive number or 0. Setting it to 0 will allow unlimited + header field sizes. + + .. warning:: + Setting this parameter to a very high or unlimited value can open + up for DDOS attacks. + """ + + +class Reload(Setting): + name = "reload" + section = 'Debugging' + cli = ['--reload'] + validator = validate_bool + action = 'store_true' + default = False + + desc = '''\ + Restart workers when code changes. + + This setting is intended for development. It will cause workers to be + restarted whenever application code changes. + + The reloader is incompatible with application preloading. When using a + paste configuration be sure that the server block does not import any + application code or the reload will not work as designed. + + The default behavior is to attempt inotify with a fallback to file + system polling. Generally, inotify should be preferred if available + because it consumes less system resources. + + .. note:: + In order to use the inotify reloader, you must have the ``inotify`` + package installed. + ''' + + +class ReloadEngine(Setting): + name = "reload_engine" + section = "Debugging" + cli = ["--reload-engine"] + meta = "STRING" + validator = validate_reload_engine + default = "auto" + desc = """\ + The implementation that should be used to power :ref:`reload`. + + Valid engines are: + + * ``'auto'`` + * ``'poll'`` + * ``'inotify'`` (requires inotify) + + .. versionadded:: 19.7 + """ + + +class ReloadExtraFiles(Setting): + name = "reload_extra_files" + action = "append" + section = "Debugging" + cli = ["--reload-extra-file"] + meta = "FILES" + validator = validate_list_of_existing_files + default = [] + desc = """\ + Extends :ref:`reload` option to also watch and reload on additional files + (e.g., templates, configurations, specifications, etc.). + + .. versionadded:: 19.8 + """ + + +class Spew(Setting): + name = "spew" + section = "Debugging" + cli = ["--spew"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Install a trace function that spews every line executed by the server. + + This is the nuclear option. + """ + + +class ConfigCheck(Setting): + name = "check_config" + section = "Debugging" + cli = ["--check-config"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Check the configuration and exit. The exit status is 0 if the + configuration is correct, and 1 if the configuration is incorrect. + """ + + +class PrintConfig(Setting): + name = "print_config" + section = "Debugging" + cli = ["--print-config"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Print the configuration settings as fully resolved. Implies :ref:`check-config`. + """ + + +class PreloadApp(Setting): + name = "preload_app" + section = "Server Mechanics" + cli = ["--preload"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Load application code before the worker processes are forked. + + By preloading an application you can save some RAM resources as well as + speed up server boot times. Although, if you defer application loading + to each worker process, you can reload your application code easily by + restarting workers. + """ + + +class Sendfile(Setting): + name = "sendfile" + section = "Server Mechanics" + cli = ["--no-sendfile"] + validator = validate_bool + action = "store_const" + const = False + + desc = """\ + Disables the use of ``sendfile()``. + + If not set, the value of the ``SENDFILE`` environment variable is used + to enable or disable its usage. + + .. versionadded:: 19.2 + .. versionchanged:: 19.4 + Swapped ``--sendfile`` with ``--no-sendfile`` to actually allow + disabling. + .. versionchanged:: 19.6 + added support for the ``SENDFILE`` environment variable + """ + + +class ReusePort(Setting): + name = "reuse_port" + section = "Server Mechanics" + cli = ["--reuse-port"] + validator = validate_bool + action = "store_true" + default = False + + desc = """\ + Set the ``SO_REUSEPORT`` flag on the listening socket. + + .. versionadded:: 19.8 + """ + + +class Chdir(Setting): + name = "chdir" + section = "Server Mechanics" + cli = ["--chdir"] + validator = validate_chdir + default = util.getcwd() + default_doc = "``'.'``" + desc = """\ + Change directory to specified directory before loading apps. + """ + + +class Daemon(Setting): + name = "daemon" + section = "Server Mechanics" + cli = ["-D", "--daemon"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Daemonize the Gunicorn process. + + Detaches the server from the controlling terminal and enters the + background. + """ + + +class Env(Setting): + name = "raw_env" + action = "append" + section = "Server Mechanics" + cli = ["-e", "--env"] + meta = "ENV" + validator = validate_list_string + default = [] + + desc = """\ + Set environment variables in the execution environment. + + Should be a list of strings in the ``key=value`` format. + + For example on the command line: + + .. code-block:: console + + $ gunicorn -b 127.0.0.1:8000 --env FOO=1 test:app + + Or in the configuration file: + + .. code-block:: python + + raw_env = ["FOO=1"] + """ + + +class Pidfile(Setting): + name = "pidfile" + section = "Server Mechanics" + cli = ["-p", "--pid"] + meta = "FILE" + validator = validate_string + default = None + desc = """\ + A filename to use for the PID file. + + If not set, no PID file will be written. + """ + + +class WorkerTmpDir(Setting): + name = "worker_tmp_dir" + section = "Server Mechanics" + cli = ["--worker-tmp-dir"] + meta = "DIR" + validator = validate_string + default = None + desc = """\ + A directory to use for the worker heartbeat temporary file. + + If not set, the default temporary directory will be used. + + .. note:: + The current heartbeat system involves calling ``os.fchmod`` on + temporary file handlers and may block a worker for arbitrary time + if the directory is on a disk-backed filesystem. + + See :ref:`blocking-os-fchmod` for more detailed information + and a solution for avoiding this problem. + """ + + +class User(Setting): + name = "user" + section = "Server Mechanics" + cli = ["-u", "--user"] + meta = "USER" + validator = validate_user + default = os.geteuid() + default_doc = "``os.geteuid()``" + desc = """\ + Switch worker processes to run as this user. + + A valid user id (as an integer) or the name of a user that can be + retrieved with a call to ``pwd.getpwnam(value)`` or ``None`` to not + change the worker process user. + """ + + +class Group(Setting): + name = "group" + section = "Server Mechanics" + cli = ["-g", "--group"] + meta = "GROUP" + validator = validate_group + default = os.getegid() + default_doc = "``os.getegid()``" + desc = """\ + Switch worker process to run as this group. + + A valid group id (as an integer) or the name of a user that can be + retrieved with a call to ``pwd.getgrnam(value)`` or ``None`` to not + change the worker processes group. + """ + + +class Umask(Setting): + name = "umask" + section = "Server Mechanics" + cli = ["-m", "--umask"] + meta = "INT" + validator = validate_pos_int + type = auto_int + default = 0 + desc = """\ + A bit mask for the file mode on files written by Gunicorn. + + Note that this affects unix socket permissions. + + A valid value for the ``os.umask(mode)`` call or a string compatible + with ``int(value, 0)`` (``0`` means Python guesses the base, so values + like ``0``, ``0xFF``, ``0022`` are valid for decimal, hex, and octal + representations) + """ + + +class Initgroups(Setting): + name = "initgroups" + section = "Server Mechanics" + cli = ["--initgroups"] + validator = validate_bool + action = 'store_true' + default = False + + desc = """\ + If true, set the worker process's group access list with all of the + groups of which the specified username is a member, plus the specified + group id. + + .. versionadded:: 19.7 + """ + + +class TmpUploadDir(Setting): + name = "tmp_upload_dir" + section = "Server Mechanics" + meta = "DIR" + validator = validate_string + default = None + desc = """\ + Directory to store temporary request data as they are read. + + This may disappear in the near future. + + This path should be writable by the process permissions set for Gunicorn + workers. If not specified, Gunicorn will choose a system generated + temporary directory. + """ + + +class SecureSchemeHeader(Setting): + name = "secure_scheme_headers" + section = "Server Mechanics" + validator = validate_dict + default = { + "X-FORWARDED-PROTOCOL": "ssl", + "X-FORWARDED-PROTO": "https", + "X-FORWARDED-SSL": "on" + } + desc = """\ + + A dictionary containing headers and values that the front-end proxy + uses to indicate HTTPS requests. If the source IP is permitted by + :ref:`forwarded-allow-ips` (below), *and* at least one request header matches + a key-value pair listed in this dictionary, then Gunicorn will set + ``wsgi.url_scheme`` to ``https``, so your application can tell that the + request is secure. + + If the other headers listed in this dictionary are not present in the request, they will be ignored, + but if the other headers are present and do not match the provided values, then + the request will fail to parse. See the note below for more detailed examples of this behaviour. + + The dictionary should map upper-case header names to exact string + values. The value comparisons are case-sensitive, unlike the header + names, so make sure they're exactly what your front-end proxy sends + when handling HTTPS requests. + + It is important that your front-end proxy configuration ensures that + the headers defined here can not be passed directly from the client. + """ + + +class ForwardedAllowIPS(Setting): + name = "forwarded_allow_ips" + section = "Server Mechanics" + cli = ["--forwarded-allow-ips"] + meta = "STRING" + validator = validate_string_to_addr_list + default = os.environ.get("FORWARDED_ALLOW_IPS", "127.0.0.1,::1") + desc = """\ + Front-end's IPs from which allowed to handle set secure headers. + (comma separated). + + Set to ``*`` to disable checking of front-end IPs. This is useful for setups + where you don't know in advance the IP address of front-end, but + instead have ensured via other means that only your + authorized front-ends can access Gunicorn. + + By default, the value of the ``FORWARDED_ALLOW_IPS`` environment + variable. If it is not defined, the default is ``"127.0.0.1,::1"``. + + .. note:: + + This option does not affect UNIX socket connections. Connections not associated with + an IP address are treated as allowed, unconditionally. + + .. note:: + + The interplay between the request headers, the value of ``forwarded_allow_ips``, and the value of + ``secure_scheme_headers`` is complex. Various scenarios are documented below to further elaborate. + In each case, we have a request from the remote address 134.213.44.18, and the default value of + ``secure_scheme_headers``: + + .. code:: + + secure_scheme_headers = { + 'X-FORWARDED-PROTOCOL': 'ssl', + 'X-FORWARDED-PROTO': 'https', + 'X-FORWARDED-SSL': 'on' + } + + + .. list-table:: + :header-rows: 1 + :align: center + :widths: auto + + * - ``forwarded-allow-ips`` + - Secure Request Headers + - Result + - Explanation + * - .. code:: + + ["127.0.0.1"] + - .. code:: + + X-Forwarded-Proto: https + - .. code:: + + wsgi.url_scheme = "http" + - IP address was not allowed + * - .. code:: + + "*" + - + - .. code:: + + wsgi.url_scheme = "http" + - IP address allowed, but no secure headers provided + * - .. code:: + + "*" + - .. code:: + + X-Forwarded-Proto: https + - .. code:: + + wsgi.url_scheme = "https" + - IP address allowed, one request header matched + * - .. code:: + + ["134.213.44.18"] + - .. code:: + + X-Forwarded-Ssl: on + X-Forwarded-Proto: http + - ``InvalidSchemeHeaders()`` raised + - IP address allowed, but the two secure headers disagreed on if HTTPS was used + + + """ + + +class AccessLog(Setting): + name = "accesslog" + section = "Logging" + cli = ["--access-logfile"] + meta = "FILE" + validator = validate_string + default = None + desc = """\ + The Access log file to write to. + + ``'-'`` means log to stdout. + """ + + +class DisableRedirectAccessToSyslog(Setting): + name = "disable_redirect_access_to_syslog" + section = "Logging" + cli = ["--disable-redirect-access-to-syslog"] + validator = validate_bool + action = 'store_true' + default = False + desc = """\ + Disable redirect access logs to syslog. + + .. versionadded:: 19.8 + """ + + +class AccessLogFormat(Setting): + name = "access_log_format" + section = "Logging" + cli = ["--access-logformat"] + meta = "STRING" + validator = validate_string + default = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"' + desc = """\ + The access log format. + + =========== =========== + Identifier Description + =========== =========== + h remote address + l ``'-'`` + u user name (if HTTP Basic auth used) + t date of the request + r status line (e.g. ``GET / HTTP/1.1``) + m request method + U URL path without query string + q query string + H protocol + s status + B response length + b response length or ``'-'`` (CLF format) + f referrer (note: header is ``referer``) + a user agent + T request time in seconds + M request time in milliseconds + D request time in microseconds + L request time in decimal seconds + p process ID + {header}i request header + {header}o response header + {variable}e environment variable + =========== =========== + + Use lowercase for header and environment variable names, and put + ``{...}x`` names inside ``%(...)s``. For example:: + + %({x-forwarded-for}i)s + """ + + +class ErrorLog(Setting): + name = "errorlog" + section = "Logging" + cli = ["--error-logfile", "--log-file"] + meta = "FILE" + validator = validate_string + default = '-' + desc = """\ + The Error log file to write to. + + Using ``'-'`` for FILE makes gunicorn log to stderr. + + .. versionchanged:: 19.2 + Log to stderr by default. + + """ + + +class Loglevel(Setting): + name = "loglevel" + section = "Logging" + cli = ["--log-level"] + meta = "LEVEL" + validator = validate_string + default = "info" + desc = """\ + The granularity of Error log outputs. + + Valid level names are: + + * ``'debug'`` + * ``'info'`` + * ``'warning'`` + * ``'error'`` + * ``'critical'`` + """ + + +class CaptureOutput(Setting): + name = "capture_output" + section = "Logging" + cli = ["--capture-output"] + validator = validate_bool + action = 'store_true' + default = False + desc = """\ + Redirect stdout/stderr to specified file in :ref:`errorlog`. + + .. versionadded:: 19.6 + """ + + +class LoggerClass(Setting): + name = "logger_class" + section = "Logging" + cli = ["--logger-class"] + meta = "STRING" + validator = validate_class + default = "gunicorn.glogging.Logger" + desc = """\ + The logger you want to use to log events in Gunicorn. + + The default class (``gunicorn.glogging.Logger``) handles most + normal usages in logging. It provides error and access logging. + + You can provide your own logger by giving Gunicorn a Python path to a + class that quacks like ``gunicorn.glogging.Logger``. + """ + + +class LogConfig(Setting): + name = "logconfig" + section = "Logging" + cli = ["--log-config"] + meta = "FILE" + validator = validate_string + default = None + desc = """\ + The log config file to use. + Gunicorn uses the standard Python logging module's Configuration + file format. + """ + + +class LogConfigDict(Setting): + name = "logconfig_dict" + section = "Logging" + validator = validate_dict + default = {} + desc = """\ + The log config dictionary to use, using the standard Python + logging module's dictionary configuration format. This option + takes precedence over the :ref:`logconfig` and :ref:`logconfig-json` options, + which uses the older file configuration format and JSON + respectively. + + Format: https://docs.python.org/3/library/logging.config.html#logging.config.dictConfig + + For more context you can look at the default configuration dictionary for logging, + which can be found at ``gunicorn.glogging.CONFIG_DEFAULTS``. + + .. versionadded:: 19.8 + """ + + +class LogConfigJson(Setting): + name = "logconfig_json" + section = "Logging" + cli = ["--log-config-json"] + meta = "FILE" + validator = validate_string + default = None + desc = """\ + The log config to read config from a JSON file + + Format: https://docs.python.org/3/library/logging.config.html#logging.config.jsonConfig + + .. versionadded:: 20.0 + """ + + +class SyslogTo(Setting): + name = "syslog_addr" + section = "Logging" + cli = ["--log-syslog-to"] + meta = "SYSLOG_ADDR" + validator = validate_string + + if PLATFORM == "darwin": + default = "unix:///var/run/syslog" + elif PLATFORM in ('freebsd', 'dragonfly', ): + default = "unix:///var/run/log" + elif PLATFORM == "openbsd": + default = "unix:///dev/log" + else: + default = "udp://localhost:514" + + desc = """\ + Address to send syslog messages. + + Address is a string of the form: + + * ``unix://PATH#TYPE`` : for unix domain socket. ``TYPE`` can be ``stream`` + for the stream driver or ``dgram`` for the dgram driver. + ``stream`` is the default. + * ``udp://HOST:PORT`` : for UDP sockets + * ``tcp://HOST:PORT`` : for TCP sockets + + """ + + +class Syslog(Setting): + name = "syslog" + section = "Logging" + cli = ["--log-syslog"] + validator = validate_bool + action = 'store_true' + default = False + desc = """\ + Send *Gunicorn* logs to syslog. + + .. versionchanged:: 19.8 + You can now disable sending access logs by using the + :ref:`disable-redirect-access-to-syslog` setting. + """ + + +class SyslogPrefix(Setting): + name = "syslog_prefix" + section = "Logging" + cli = ["--log-syslog-prefix"] + meta = "SYSLOG_PREFIX" + validator = validate_string + default = None + desc = """\ + Makes Gunicorn use the parameter as program-name in the syslog entries. + + All entries will be prefixed by ``gunicorn.``. By default the + program name is the name of the process. + """ + + +class SyslogFacility(Setting): + name = "syslog_facility" + section = "Logging" + cli = ["--log-syslog-facility"] + meta = "SYSLOG_FACILITY" + validator = validate_string + default = "user" + desc = """\ + Syslog facility name + """ + + +class EnableStdioInheritance(Setting): + name = "enable_stdio_inheritance" + section = "Logging" + cli = ["-R", "--enable-stdio-inheritance"] + validator = validate_bool + default = False + action = "store_true" + desc = """\ + Enable stdio inheritance. + + Enable inheritance for stdio file descriptors in daemon mode. + + Note: To disable the Python stdout buffering, you can to set the user + environment variable ``PYTHONUNBUFFERED`` . + """ + + +# statsD monitoring +class StatsdHost(Setting): + name = "statsd_host" + section = "Logging" + cli = ["--statsd-host"] + meta = "STATSD_ADDR" + default = None + validator = validate_statsd_address + desc = """\ + The address of the StatsD server to log to. + + Address is a string of the form: + + * ``unix://PATH`` : for a unix domain socket. + * ``HOST:PORT`` : for a network address + + .. versionadded:: 19.1 + """ + + +# Datadog Statsd (dogstatsd) tags. https://docs.datadoghq.com/developers/dogstatsd/ +class DogstatsdTags(Setting): + name = "dogstatsd_tags" + section = "Logging" + cli = ["--dogstatsd-tags"] + meta = "DOGSTATSD_TAGS" + default = "" + validator = validate_string + desc = """\ + A comma-delimited list of datadog statsd (dogstatsd) tags to append to + statsd metrics. + + .. versionadded:: 20 + """ + + +class StatsdPrefix(Setting): + name = "statsd_prefix" + section = "Logging" + cli = ["--statsd-prefix"] + meta = "STATSD_PREFIX" + default = "" + validator = validate_string + desc = """\ + Prefix to use when emitting statsd metrics (a trailing ``.`` is added, + if not provided). + + .. versionadded:: 19.2 + """ + + +class Procname(Setting): + name = "proc_name" + section = "Process Naming" + cli = ["-n", "--name"] + meta = "STRING" + validator = validate_string + default = None + desc = """\ + A base to use with setproctitle for process naming. + + This affects things like ``ps`` and ``top``. If you're going to be + running more than one instance of Gunicorn you'll probably want to set a + name to tell them apart. This requires that you install the setproctitle + module. + + If not set, the *default_proc_name* setting will be used. + """ + + +class DefaultProcName(Setting): + name = "default_proc_name" + section = "Process Naming" + validator = validate_string + default = "gunicorn" + desc = """\ + Internal setting that is adjusted for each type of application. + """ + + +class PythonPath(Setting): + name = "pythonpath" + section = "Server Mechanics" + cli = ["--pythonpath"] + meta = "STRING" + validator = validate_string + default = None + desc = """\ + A comma-separated list of directories to add to the Python path. + + e.g. + ``'/home/djangoprojects/myproject,/home/python/mylibrary'``. + """ + + +class Paste(Setting): + name = "paste" + section = "Server Mechanics" + cli = ["--paste", "--paster"] + meta = "STRING" + validator = validate_string + default = None + desc = """\ + Load a PasteDeploy config file. The argument may contain a ``#`` + symbol followed by the name of an app section from the config file, + e.g. ``production.ini#admin``. + + At this time, using alternate server blocks is not supported. Use the + command line arguments to control server configuration instead. + """ + + +class OnStarting(Setting): + name = "on_starting" + section = "Server Hooks" + validator = validate_callable(1) + type = callable + + def on_starting(server): + pass + default = staticmethod(on_starting) + desc = """\ + Called just before the master process is initialized. + + The callable needs to accept a single instance variable for the Arbiter. + """ + + +class OnReload(Setting): + name = "on_reload" + section = "Server Hooks" + validator = validate_callable(1) + type = callable + + def on_reload(server): + pass + default = staticmethod(on_reload) + desc = """\ + Called to recycle workers during a reload via SIGHUP. + + The callable needs to accept a single instance variable for the Arbiter. + """ + + +class WhenReady(Setting): + name = "when_ready" + section = "Server Hooks" + validator = validate_callable(1) + type = callable + + def when_ready(server): + pass + default = staticmethod(when_ready) + desc = """\ + Called just after the server is started. + + The callable needs to accept a single instance variable for the Arbiter. + """ + + +class Prefork(Setting): + name = "pre_fork" + section = "Server Hooks" + validator = validate_callable(2) + type = callable + + def pre_fork(server, worker): + pass + default = staticmethod(pre_fork) + desc = """\ + Called just before a worker is forked. + + The callable needs to accept two instance variables for the Arbiter and + new Worker. + """ + + +class Postfork(Setting): + name = "post_fork" + section = "Server Hooks" + validator = validate_callable(2) + type = callable + + def post_fork(server, worker): + pass + default = staticmethod(post_fork) + desc = """\ + Called just after a worker has been forked. + + The callable needs to accept two instance variables for the Arbiter and + new Worker. + """ + + +class PostWorkerInit(Setting): + name = "post_worker_init" + section = "Server Hooks" + validator = validate_callable(1) + type = callable + + def post_worker_init(worker): + pass + + default = staticmethod(post_worker_init) + desc = """\ + Called just after a worker has initialized the application. + + The callable needs to accept one instance variable for the initialized + Worker. + """ + + +class WorkerInt(Setting): + name = "worker_int" + section = "Server Hooks" + validator = validate_callable(1) + type = callable + + def worker_int(worker): + pass + + default = staticmethod(worker_int) + desc = """\ + Called just after a worker exited on SIGINT or SIGQUIT. + + The callable needs to accept one instance variable for the initialized + Worker. + """ + + +class WorkerAbort(Setting): + name = "worker_abort" + section = "Server Hooks" + validator = validate_callable(1) + type = callable + + def worker_abort(worker): + pass + + default = staticmethod(worker_abort) + desc = """\ + Called when a worker received the SIGABRT signal. + + This call generally happens on timeout. + + The callable needs to accept one instance variable for the initialized + Worker. + """ + + +class PreExec(Setting): + name = "pre_exec" + section = "Server Hooks" + validator = validate_callable(1) + type = callable + + def pre_exec(server): + pass + default = staticmethod(pre_exec) + desc = """\ + Called just before a new master process is forked. + + The callable needs to accept a single instance variable for the Arbiter. + """ + + +class PreRequest(Setting): + name = "pre_request" + section = "Server Hooks" + validator = validate_callable(2) + type = callable + + def pre_request(worker, req): + worker.log.debug("%s %s", req.method, req.path) + default = staticmethod(pre_request) + desc = """\ + Called just before a worker processes the request. + + The callable needs to accept two instance variables for the Worker and + the Request. + """ + + +class PostRequest(Setting): + name = "post_request" + section = "Server Hooks" + validator = validate_post_request + type = callable + + def post_request(worker, req, environ, resp): + pass + default = staticmethod(post_request) + desc = """\ + Called after a worker processes the request. + + The callable needs to accept two instance variables for the Worker and + the Request. + """ + + +class ChildExit(Setting): + name = "child_exit" + section = "Server Hooks" + validator = validate_callable(2) + type = callable + + def child_exit(server, worker): + pass + default = staticmethod(child_exit) + desc = """\ + Called just after a worker has been exited, in the master process. + + The callable needs to accept two instance variables for the Arbiter and + the just-exited Worker. + + .. versionadded:: 19.7 + """ + + +class WorkerExit(Setting): + name = "worker_exit" + section = "Server Hooks" + validator = validate_callable(2) + type = callable + + def worker_exit(server, worker): + pass + default = staticmethod(worker_exit) + desc = """\ + Called just after a worker has been exited, in the worker process. + + The callable needs to accept two instance variables for the Arbiter and + the just-exited Worker. + """ + + +class NumWorkersChanged(Setting): + name = "nworkers_changed" + section = "Server Hooks" + validator = validate_callable(3) + type = callable + + def nworkers_changed(server, new_value, old_value): + pass + default = staticmethod(nworkers_changed) + desc = """\ + Called just after *num_workers* has been changed. + + The callable needs to accept an instance variable of the Arbiter and + two integers of number of workers after and before change. + + If the number of workers is set for the first time, *old_value* would + be ``None``. + """ + + +class OnExit(Setting): + name = "on_exit" + section = "Server Hooks" + validator = validate_callable(1) + + def on_exit(server): + pass + + default = staticmethod(on_exit) + desc = """\ + Called just before exiting Gunicorn. + + The callable needs to accept a single instance variable for the Arbiter. + """ + + +class NewSSLContext(Setting): + name = "ssl_context" + section = "Server Hooks" + validator = validate_callable(2) + type = callable + + def ssl_context(config, default_ssl_context_factory): + return default_ssl_context_factory() + + default = staticmethod(ssl_context) + desc = """\ + Called when SSLContext is needed. + + Allows customizing SSL context. + + The callable needs to accept an instance variable for the Config and + a factory function that returns default SSLContext which is initialized + with certificates, private key, cert_reqs, and ciphers according to + config and can be further customized by the callable. + The callable needs to return SSLContext object. + + Following example shows a configuration file that sets the minimum TLS version to 1.3: + + .. code-block:: python + + def ssl_context(conf, default_ssl_context_factory): + import ssl + context = default_ssl_context_factory() + context.minimum_version = ssl.TLSVersion.TLSv1_3 + return context + + .. versionadded:: 21.0 + """ + + +class ProxyProtocol(Setting): + name = "proxy_protocol" + section = "Server Mechanics" + cli = ["--proxy-protocol"] + validator = validate_bool + default = False + action = "store_true" + desc = """\ + Enable detect PROXY protocol (PROXY mode). + + Allow using HTTP and Proxy together. It may be useful for work with + stunnel as HTTPS frontend and Gunicorn as HTTP server. + + PROXY protocol: http://haproxy.1wt.eu/download/1.5/doc/proxy-protocol.txt + + Example for stunnel config:: + + [https] + protocol = proxy + accept = 443 + connect = 80 + cert = /etc/ssl/certs/stunnel.pem + key = /etc/ssl/certs/stunnel.key + """ + + +class ProxyAllowFrom(Setting): + name = "proxy_allow_ips" + section = "Server Mechanics" + cli = ["--proxy-allow-from"] + validator = validate_string_to_addr_list + default = "127.0.0.1,::1" + desc = """\ + Front-end's IPs from which allowed accept proxy requests (comma separated). + + Set to ``*`` to disable checking of front-end IPs. This is useful for setups + where you don't know in advance the IP address of front-end, but + instead have ensured via other means that only your + authorized front-ends can access Gunicorn. + + .. note:: + + This option does not affect UNIX socket connections. Connections not associated with + an IP address are treated as allowed, unconditionally. + """ + + +class KeyFile(Setting): + name = "keyfile" + section = "SSL" + cli = ["--keyfile"] + meta = "FILE" + validator = validate_string + default = None + desc = """\ + SSL key file + """ + + +class CertFile(Setting): + name = "certfile" + section = "SSL" + cli = ["--certfile"] + meta = "FILE" + validator = validate_string + default = None + desc = """\ + SSL certificate file + """ + + +class SSLVersion(Setting): + name = "ssl_version" + section = "SSL" + cli = ["--ssl-version"] + validator = validate_ssl_version + + if hasattr(ssl, "PROTOCOL_TLS"): + default = ssl.PROTOCOL_TLS + else: + default = ssl.PROTOCOL_SSLv23 + + default = ssl.PROTOCOL_SSLv23 + desc = """\ + SSL version to use (see stdlib ssl module's). + + .. deprecated:: 21.0 + The option is deprecated and it is currently ignored. Use :ref:`ssl-context` instead. + + ============= ============ + --ssl-version Description + ============= ============ + SSLv3 SSLv3 is not-secure and is strongly discouraged. + SSLv23 Alias for TLS. Deprecated in Python 3.6, use TLS. + TLS Negotiate highest possible version between client/server. + Can yield SSL. (Python 3.6+) + TLSv1 TLS 1.0 + TLSv1_1 TLS 1.1 (Python 3.4+) + TLSv1_2 TLS 1.2 (Python 3.4+) + TLS_SERVER Auto-negotiate the highest protocol version like TLS, + but only support server-side SSLSocket connections. + (Python 3.6+) + ============= ============ + + .. versionchanged:: 19.7 + The default value has been changed from ``ssl.PROTOCOL_TLSv1`` to + ``ssl.PROTOCOL_SSLv23``. + .. versionchanged:: 20.0 + This setting now accepts string names based on ``ssl.PROTOCOL_`` + constants. + .. versionchanged:: 20.0.1 + The default value has been changed from ``ssl.PROTOCOL_SSLv23`` to + ``ssl.PROTOCOL_TLS`` when Python >= 3.6 . + """ + + +class CertReqs(Setting): + name = "cert_reqs" + section = "SSL" + cli = ["--cert-reqs"] + validator = validate_pos_int + default = ssl.CERT_NONE + desc = """\ + Whether client certificate is required (see stdlib ssl module's) + + =========== =========================== + --cert-reqs Description + =========== =========================== + `0` no client verification + `1` ssl.CERT_OPTIONAL + `2` ssl.CERT_REQUIRED + =========== =========================== + """ + + +class CACerts(Setting): + name = "ca_certs" + section = "SSL" + cli = ["--ca-certs"] + meta = "FILE" + validator = validate_string + default = None + desc = """\ + CA certificates file + """ + + +class SuppressRaggedEOFs(Setting): + name = "suppress_ragged_eofs" + section = "SSL" + cli = ["--suppress-ragged-eofs"] + action = "store_true" + default = True + validator = validate_bool + desc = """\ + Suppress ragged EOFs (see stdlib ssl module's) + """ + + +class DoHandshakeOnConnect(Setting): + name = "do_handshake_on_connect" + section = "SSL" + cli = ["--do-handshake-on-connect"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Whether to perform SSL handshake on socket connect (see stdlib ssl module's) + """ + + +class Ciphers(Setting): + name = "ciphers" + section = "SSL" + cli = ["--ciphers"] + validator = validate_string + default = None + desc = """\ + SSL Cipher suite to use, in the format of an OpenSSL cipher list. + + By default we use the default cipher list from Python's ``ssl`` module, + which contains ciphers considered strong at the time of each Python + release. + + As a recommended alternative, the Open Web App Security Project (OWASP) + offers `a vetted set of strong cipher strings rated A+ to C- + `_. + OWASP provides details on user-agent compatibility at each security level. + + See the `OpenSSL Cipher List Format Documentation + `_ + for details on the format of an OpenSSL cipher list. + """ + + +class PasteGlobalConf(Setting): + name = "raw_paste_global_conf" + action = "append" + section = "Server Mechanics" + cli = ["--paste-global"] + meta = "CONF" + validator = validate_list_string + default = [] + + desc = """\ + Set a PasteDeploy global config variable in ``key=value`` form. + + The option can be specified multiple times. + + The variables are passed to the PasteDeploy entrypoint. Example:: + + $ gunicorn -b 127.0.0.1:8000 --paste development.ini --paste-global FOO=1 --paste-global BAR=2 + + .. versionadded:: 19.7 + """ + + +class PermitObsoleteFolding(Setting): + name = "permit_obsolete_folding" + section = "Server Mechanics" + cli = ["--permit-obsolete-folding"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Permit requests employing obsolete HTTP line folding mechanism + + The folding mechanism was deprecated by rfc7230 Section 3.2.4 and will not be + employed in HTTP request headers from standards-compliant HTTP clients. + + This option is provided to diagnose backwards-incompatible changes. + Use with care and only if necessary. Temporary; the precise effect of this option may + change in a future version, or it may be removed altogether. + + .. versionadded:: 23.0.0 + """ + + +class StripHeaderSpaces(Setting): + name = "strip_header_spaces" + section = "Server Mechanics" + cli = ["--strip-header-spaces"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Strip spaces present between the header name and the the ``:``. + + This is known to induce vulnerabilities and is not compliant with the HTTP/1.1 standard. + See https://portswigger.net/research/http-desync-attacks-request-smuggling-reborn. + + Use with care and only if necessary. Deprecated; scheduled for removal in 25.0.0 + + .. versionadded:: 20.0.1 + """ + + +class PermitUnconventionalHTTPMethod(Setting): + name = "permit_unconventional_http_method" + section = "Server Mechanics" + cli = ["--permit-unconventional-http-method"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Permit HTTP methods not matching conventions, such as IANA registration guidelines + + This permits request methods of length less than 3 or more than 20, + methods with lowercase characters or methods containing the # character. + HTTP methods are case sensitive by definition, and merely uppercase by convention. + + If unset, Gunicorn will apply nonstandard restrictions and cause 400 response status + in cases where otherwise 501 status is expected. While this option does modify that + behaviour, it should not be depended upon to guarantee standards-compliant behaviour. + Rather, it is provided temporarily, to assist in diagnosing backwards-incompatible + changes around the incomplete application of those restrictions. + + Use with care and only if necessary. Temporary; scheduled for removal in 24.0.0 + + .. versionadded:: 22.0.0 + """ + + +class PermitUnconventionalHTTPVersion(Setting): + name = "permit_unconventional_http_version" + section = "Server Mechanics" + cli = ["--permit-unconventional-http-version"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Permit HTTP version not matching conventions of 2023 + + This disables the refusal of likely malformed request lines. + It is unusual to specify HTTP 1 versions other than 1.0 and 1.1. + + This option is provided to diagnose backwards-incompatible changes. + Use with care and only if necessary. Temporary; the precise effect of this option may + change in a future version, or it may be removed altogether. + + .. versionadded:: 22.0.0 + """ + + +class CasefoldHTTPMethod(Setting): + name = "casefold_http_method" + section = "Server Mechanics" + cli = ["--casefold-http-method"] + validator = validate_bool + action = "store_true" + default = False + desc = """\ + Transform received HTTP methods to uppercase + + HTTP methods are case sensitive by definition, and merely uppercase by convention. + + This option is provided because previous versions of gunicorn defaulted to this behaviour. + + Use with care and only if necessary. Deprecated; scheduled for removal in 24.0.0 + + .. versionadded:: 22.0.0 + """ + + +def validate_header_map_behaviour(val): + # FIXME: refactor all of this subclassing stdlib argparse + + if val is None: + return + + if not isinstance(val, str): + raise TypeError("Invalid type for casting: %s" % val) + if val.lower().strip() == "drop": + return "drop" + elif val.lower().strip() == "refuse": + return "refuse" + elif val.lower().strip() == "dangerous": + return "dangerous" + else: + raise ValueError("Invalid header map behaviour: %s" % val) + + +class ForwarderHeaders(Setting): + name = "forwarder_headers" + section = "Server Mechanics" + cli = ["--forwarder-headers"] + validator = validate_string_to_list + default = "SCRIPT_NAME,PATH_INFO" + desc = """\ + + A list containing upper-case header field names that the front-end proxy + (see :ref:`forwarded-allow-ips`) sets, to be used in WSGI environment. + + This option has no effect for headers not present in the request. + + This option can be used to transfer ``SCRIPT_NAME``, ``PATH_INFO`` + and ``REMOTE_USER``. + + It is important that your front-end proxy configuration ensures that + the headers defined here can not be passed directly from the client. + """ + + +class HeaderMap(Setting): + name = "header_map" + section = "Server Mechanics" + cli = ["--header-map"] + validator = validate_header_map_behaviour + default = "drop" + desc = """\ + Configure how header field names are mapped into environ + + Headers containing underscores are permitted by RFC9110, + but gunicorn joining headers of different names into + the same environment variable will dangerously confuse applications as to which is which. + + The safe default ``drop`` is to silently drop headers that cannot be unambiguously mapped. + The value ``refuse`` will return an error if a request contains *any* such header. + The value ``dangerous`` matches the previous, not advisable, behaviour of mapping different + header field names into the same environ name. + + If the source is permitted as explained in :ref:`forwarded-allow-ips`, *and* the header name is + present in :ref:`forwarder-headers`, the header is mapped into environment regardless of + the state of this setting. + + Use with care and only if necessary and after considering if your problem could + instead be solved by specifically renaming or rewriting only the intended headers + on a proxy in front of Gunicorn. + + .. versionadded:: 22.0.0 + """ diff --git a/venv/lib/python3.12/site-packages/gunicorn/debug.py b/venv/lib/python3.12/site-packages/gunicorn/debug.py new file mode 100644 index 0000000..5fae0b4 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/debug.py @@ -0,0 +1,68 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +"""The debug module contains utilities and functions for better +debugging Gunicorn.""" + +import sys +import linecache +import re +import inspect + +__all__ = ['spew', 'unspew'] + +_token_spliter = re.compile(r'\W+') + + +class Spew: + + def __init__(self, trace_names=None, show_values=True): + self.trace_names = trace_names + self.show_values = show_values + + def __call__(self, frame, event, arg): + if event == 'line': + lineno = frame.f_lineno + if '__file__' in frame.f_globals: + filename = frame.f_globals['__file__'] + if (filename.endswith('.pyc') or + filename.endswith('.pyo')): + filename = filename[:-1] + name = frame.f_globals['__name__'] + line = linecache.getline(filename, lineno) + else: + name = '[unknown]' + try: + src = inspect.getsourcelines(frame) + line = src[lineno] + except OSError: + line = 'Unknown code named [%s]. VM instruction #%d' % ( + frame.f_code.co_name, frame.f_lasti) + if self.trace_names is None or name in self.trace_names: + print('%s:%s: %s' % (name, lineno, line.rstrip())) + if not self.show_values: + return self + details = [] + tokens = _token_spliter.split(line) + for tok in tokens: + if tok in frame.f_globals: + details.append('%s=%r' % (tok, frame.f_globals[tok])) + if tok in frame.f_locals: + details.append('%s=%r' % (tok, frame.f_locals[tok])) + if details: + print("\t%s" % ' '.join(details)) + return self + + +def spew(trace_names=None, show_values=False): + """Install a trace hook which writes incredibly detailed logs + about what code is being executed to stdout. + """ + sys.settrace(Spew(trace_names, show_values)) + + +def unspew(): + """Remove the trace hook installed by spew. + """ + sys.settrace(None) diff --git a/venv/lib/python3.12/site-packages/gunicorn/errors.py b/venv/lib/python3.12/site-packages/gunicorn/errors.py new file mode 100644 index 0000000..1128380 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/errors.py @@ -0,0 +1,28 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +# We don't need to call super() in __init__ methods of our +# BaseException and Exception classes because we also define +# our own __str__ methods so there is no need to pass 'message' +# to the base class to get a meaningful output from 'str(exc)'. +# pylint: disable=super-init-not-called + + +# we inherit from BaseException here to make sure to not be caught +# at application level +class HaltServer(BaseException): + def __init__(self, reason, exit_status=1): + self.reason = reason + self.exit_status = exit_status + + def __str__(self): + return "" % (self.reason, self.exit_status) + + +class ConfigError(Exception): + """ Exception raised on config error """ + + +class AppImportError(Exception): + """ Exception raised when loading an application """ diff --git a/venv/lib/python3.12/site-packages/gunicorn/glogging.py b/venv/lib/python3.12/site-packages/gunicorn/glogging.py new file mode 100644 index 0000000..e34fcd5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/glogging.py @@ -0,0 +1,473 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import base64 +import binascii +import json +import time +import logging +logging.Logger.manager.emittedNoHandlerWarning = 1 # noqa +from logging.config import dictConfig +from logging.config import fileConfig +import os +import socket +import sys +import threading +import traceback + +from gunicorn import util + + +# syslog facility codes +SYSLOG_FACILITIES = { + "auth": 4, + "authpriv": 10, + "cron": 9, + "daemon": 3, + "ftp": 11, + "kern": 0, + "lpr": 6, + "mail": 2, + "news": 7, + "security": 4, # DEPRECATED + "syslog": 5, + "user": 1, + "uucp": 8, + "local0": 16, + "local1": 17, + "local2": 18, + "local3": 19, + "local4": 20, + "local5": 21, + "local6": 22, + "local7": 23 +} + +CONFIG_DEFAULTS = { + "version": 1, + "disable_existing_loggers": False, + "root": {"level": "INFO", "handlers": ["console"]}, + "loggers": { + "gunicorn.error": { + "level": "INFO", + "handlers": ["error_console"], + "propagate": True, + "qualname": "gunicorn.error" + }, + + "gunicorn.access": { + "level": "INFO", + "handlers": ["console"], + "propagate": True, + "qualname": "gunicorn.access" + } + }, + "handlers": { + "console": { + "class": "logging.StreamHandler", + "formatter": "generic", + "stream": "ext://sys.stdout" + }, + "error_console": { + "class": "logging.StreamHandler", + "formatter": "generic", + "stream": "ext://sys.stderr" + }, + }, + "formatters": { + "generic": { + "format": "%(asctime)s [%(process)d] [%(levelname)s] %(message)s", + "datefmt": "[%Y-%m-%d %H:%M:%S %z]", + "class": "logging.Formatter" + } + } +} + + +def loggers(): + """ get list of all loggers """ + root = logging.root + existing = list(root.manager.loggerDict.keys()) + return [logging.getLogger(name) for name in existing] + + +class SafeAtoms(dict): + + def __init__(self, atoms): + dict.__init__(self) + for key, value in atoms.items(): + if isinstance(value, str): + self[key] = value.replace('"', '\\"') + else: + self[key] = value + + def __getitem__(self, k): + if k.startswith("{"): + kl = k.lower() + if kl in self: + return super().__getitem__(kl) + else: + return "-" + if k in self: + return super().__getitem__(k) + else: + return '-' + + +def parse_syslog_address(addr): + + # unix domain socket type depends on backend + # SysLogHandler will try both when given None + if addr.startswith("unix://"): + sock_type = None + + # set socket type only if explicitly requested + parts = addr.split("#", 1) + if len(parts) == 2: + addr = parts[0] + if parts[1] == "dgram": + sock_type = socket.SOCK_DGRAM + + return (sock_type, addr.split("unix://")[1]) + + if addr.startswith("udp://"): + addr = addr.split("udp://")[1] + socktype = socket.SOCK_DGRAM + elif addr.startswith("tcp://"): + addr = addr.split("tcp://")[1] + socktype = socket.SOCK_STREAM + else: + raise RuntimeError("invalid syslog address") + + if '[' in addr and ']' in addr: + host = addr.split(']')[0][1:].lower() + elif ':' in addr: + host = addr.split(':')[0].lower() + elif addr == "": + host = "localhost" + else: + host = addr.lower() + + addr = addr.split(']')[-1] + if ":" in addr: + port = addr.split(':', 1)[1] + if not port.isdigit(): + raise RuntimeError("%r is not a valid port number." % port) + port = int(port) + else: + port = 514 + + return (socktype, (host, port)) + + +class Logger: + + LOG_LEVELS = { + "critical": logging.CRITICAL, + "error": logging.ERROR, + "warning": logging.WARNING, + "info": logging.INFO, + "debug": logging.DEBUG + } + loglevel = logging.INFO + + error_fmt = r"%(asctime)s [%(process)d] [%(levelname)s] %(message)s" + datefmt = r"[%Y-%m-%d %H:%M:%S %z]" + + access_fmt = "%(message)s" + syslog_fmt = "[%(process)d] %(message)s" + + atoms_wrapper_class = SafeAtoms + + def __init__(self, cfg): + self.error_log = logging.getLogger("gunicorn.error") + self.error_log.propagate = False + self.access_log = logging.getLogger("gunicorn.access") + self.access_log.propagate = False + self.error_handlers = [] + self.access_handlers = [] + self.logfile = None + self.lock = threading.Lock() + self.cfg = cfg + self.setup(cfg) + + def setup(self, cfg): + self.loglevel = self.LOG_LEVELS.get(cfg.loglevel.lower(), logging.INFO) + self.error_log.setLevel(self.loglevel) + self.access_log.setLevel(logging.INFO) + + # set gunicorn.error handler + if self.cfg.capture_output and cfg.errorlog != "-": + for stream in sys.stdout, sys.stderr: + stream.flush() + + self.logfile = open(cfg.errorlog, 'a+') + os.dup2(self.logfile.fileno(), sys.stdout.fileno()) + os.dup2(self.logfile.fileno(), sys.stderr.fileno()) + + self._set_handler(self.error_log, cfg.errorlog, + logging.Formatter(self.error_fmt, self.datefmt)) + + # set gunicorn.access handler + if cfg.accesslog is not None: + self._set_handler( + self.access_log, cfg.accesslog, + fmt=logging.Formatter(self.access_fmt), stream=sys.stdout + ) + + # set syslog handler + if cfg.syslog: + self._set_syslog_handler( + self.error_log, cfg, self.syslog_fmt, "error" + ) + if not cfg.disable_redirect_access_to_syslog: + self._set_syslog_handler( + self.access_log, cfg, self.syslog_fmt, "access" + ) + + if cfg.logconfig_dict: + config = CONFIG_DEFAULTS.copy() + config.update(cfg.logconfig_dict) + try: + dictConfig(config) + except ( + AttributeError, + ImportError, + ValueError, + TypeError + ) as exc: + raise RuntimeError(str(exc)) + elif cfg.logconfig_json: + config = CONFIG_DEFAULTS.copy() + if os.path.exists(cfg.logconfig_json): + try: + config_json = json.load(open(cfg.logconfig_json)) + config.update(config_json) + dictConfig(config) + except ( + json.JSONDecodeError, + AttributeError, + ImportError, + ValueError, + TypeError + ) as exc: + raise RuntimeError(str(exc)) + elif cfg.logconfig: + if os.path.exists(cfg.logconfig): + defaults = CONFIG_DEFAULTS.copy() + defaults['__file__'] = cfg.logconfig + defaults['here'] = os.path.dirname(cfg.logconfig) + fileConfig(cfg.logconfig, defaults=defaults, + disable_existing_loggers=False) + else: + msg = "Error: log config '%s' not found" + raise RuntimeError(msg % cfg.logconfig) + + def critical(self, msg, *args, **kwargs): + self.error_log.critical(msg, *args, **kwargs) + + def error(self, msg, *args, **kwargs): + self.error_log.error(msg, *args, **kwargs) + + def warning(self, msg, *args, **kwargs): + self.error_log.warning(msg, *args, **kwargs) + + def info(self, msg, *args, **kwargs): + self.error_log.info(msg, *args, **kwargs) + + def debug(self, msg, *args, **kwargs): + self.error_log.debug(msg, *args, **kwargs) + + def exception(self, msg, *args, **kwargs): + self.error_log.exception(msg, *args, **kwargs) + + def log(self, lvl, msg, *args, **kwargs): + if isinstance(lvl, str): + lvl = self.LOG_LEVELS.get(lvl.lower(), logging.INFO) + self.error_log.log(lvl, msg, *args, **kwargs) + + def atoms(self, resp, req, environ, request_time): + """ Gets atoms for log formatting. + """ + status = resp.status + if isinstance(status, str): + status = status.split(None, 1)[0] + atoms = { + 'h': environ.get('REMOTE_ADDR', '-'), + 'l': '-', + 'u': self._get_user(environ) or '-', + 't': self.now(), + 'r': "%s %s %s" % (environ['REQUEST_METHOD'], + environ['RAW_URI'], + environ["SERVER_PROTOCOL"]), + 's': status, + 'm': environ.get('REQUEST_METHOD'), + 'U': environ.get('PATH_INFO'), + 'q': environ.get('QUERY_STRING'), + 'H': environ.get('SERVER_PROTOCOL'), + 'b': getattr(resp, 'sent', None) is not None and str(resp.sent) or '-', + 'B': getattr(resp, 'sent', None), + 'f': environ.get('HTTP_REFERER', '-'), + 'a': environ.get('HTTP_USER_AGENT', '-'), + 'T': request_time.seconds, + 'D': (request_time.seconds * 1000000) + request_time.microseconds, + 'M': (request_time.seconds * 1000) + int(request_time.microseconds / 1000), + 'L': "%d.%06d" % (request_time.seconds, request_time.microseconds), + 'p': "<%s>" % os.getpid() + } + + # add request headers + if hasattr(req, 'headers'): + req_headers = req.headers + else: + req_headers = req + + if hasattr(req_headers, "items"): + req_headers = req_headers.items() + + atoms.update({"{%s}i" % k.lower(): v for k, v in req_headers}) + + resp_headers = resp.headers + if hasattr(resp_headers, "items"): + resp_headers = resp_headers.items() + + # add response headers + atoms.update({"{%s}o" % k.lower(): v for k, v in resp_headers}) + + # add environ variables + environ_variables = environ.items() + atoms.update({"{%s}e" % k.lower(): v for k, v in environ_variables}) + + return atoms + + def access(self, resp, req, environ, request_time): + """ See http://httpd.apache.org/docs/2.0/logs.html#combined + for format details + """ + + if not (self.cfg.accesslog or self.cfg.logconfig or + self.cfg.logconfig_dict or self.cfg.logconfig_json or + (self.cfg.syslog and not self.cfg.disable_redirect_access_to_syslog)): + return + + # wrap atoms: + # - make sure atoms will be test case insensitively + # - if atom doesn't exist replace it by '-' + safe_atoms = self.atoms_wrapper_class( + self.atoms(resp, req, environ, request_time) + ) + + try: + self.access_log.info(self.cfg.access_log_format, safe_atoms) + except Exception: + self.error(traceback.format_exc()) + + def now(self): + """ return date in Apache Common Log Format """ + return time.strftime('[%d/%b/%Y:%H:%M:%S %z]') + + def reopen_files(self): + if self.cfg.capture_output and self.cfg.errorlog != "-": + for stream in sys.stdout, sys.stderr: + stream.flush() + + with self.lock: + if self.logfile is not None: + self.logfile.close() + self.logfile = open(self.cfg.errorlog, 'a+') + os.dup2(self.logfile.fileno(), sys.stdout.fileno()) + os.dup2(self.logfile.fileno(), sys.stderr.fileno()) + + for log in loggers(): + for handler in log.handlers: + if isinstance(handler, logging.FileHandler): + handler.acquire() + try: + if handler.stream: + handler.close() + handler.stream = handler._open() + finally: + handler.release() + + def close_on_exec(self): + for log in loggers(): + for handler in log.handlers: + if isinstance(handler, logging.FileHandler): + handler.acquire() + try: + if handler.stream: + util.close_on_exec(handler.stream.fileno()) + finally: + handler.release() + + def _get_gunicorn_handler(self, log): + for h in log.handlers: + if getattr(h, "_gunicorn", False): + return h + + def _set_handler(self, log, output, fmt, stream=None): + # remove previous gunicorn log handler + h = self._get_gunicorn_handler(log) + if h: + log.handlers.remove(h) + + if output is not None: + if output == "-": + h = logging.StreamHandler(stream) + else: + util.check_is_writable(output) + h = logging.FileHandler(output) + # make sure the user can reopen the file + try: + os.chown(h.baseFilename, self.cfg.user, self.cfg.group) + except OSError: + # it's probably OK there, we assume the user has given + # /dev/null as a parameter. + pass + + h.setFormatter(fmt) + h._gunicorn = True + log.addHandler(h) + + def _set_syslog_handler(self, log, cfg, fmt, name): + # setup format + prefix = cfg.syslog_prefix or cfg.proc_name.replace(":", ".") + + prefix = "gunicorn.%s.%s" % (prefix, name) + + # set format + fmt = logging.Formatter(r"%s: %s" % (prefix, fmt)) + + # syslog facility + try: + facility = SYSLOG_FACILITIES[cfg.syslog_facility.lower()] + except KeyError: + raise RuntimeError("unknown facility name") + + # parse syslog address + socktype, addr = parse_syslog_address(cfg.syslog_addr) + + # finally setup the syslog handler + h = logging.handlers.SysLogHandler(address=addr, + facility=facility, socktype=socktype) + + h.setFormatter(fmt) + h._gunicorn = True + log.addHandler(h) + + def _get_user(self, environ): + user = None + http_auth = environ.get("HTTP_AUTHORIZATION") + if http_auth and http_auth.lower().startswith('basic'): + auth = http_auth.split(" ", 1) + if len(auth) == 2: + try: + # b64decode doesn't accept unicode in Python < 3.3 + # so we need to convert it to a byte string + auth = base64.b64decode(auth[1].strip().encode('utf-8')) + # b64decode returns a byte string + user = auth.split(b":", 1)[0].decode("UTF-8") + except (TypeError, binascii.Error, UnicodeDecodeError) as exc: + self.debug("Couldn't get username: %s", exc) + return user diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/__init__.py b/venv/lib/python3.12/site-packages/gunicorn/http/__init__.py new file mode 100644 index 0000000..11473bb --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/http/__init__.py @@ -0,0 +1,8 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +from gunicorn.http.message import Message, Request +from gunicorn.http.parser import RequestParser + +__all__ = ['Message', 'Request', 'RequestParser'] diff --git 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0000000..a43646f Binary files /dev/null and b/venv/lib/python3.12/site-packages/gunicorn/http/__pycache__/unreader.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/__pycache__/wsgi.cpython-312.pyc b/venv/lib/python3.12/site-packages/gunicorn/http/__pycache__/wsgi.cpython-312.pyc new file mode 100644 index 0000000..448f8e1 Binary files /dev/null and b/venv/lib/python3.12/site-packages/gunicorn/http/__pycache__/wsgi.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/body.py b/venv/lib/python3.12/site-packages/gunicorn/http/body.py new file mode 100644 index 0000000..d7ee29e --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/http/body.py @@ -0,0 +1,268 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import io +import sys + +from gunicorn.http.errors import (NoMoreData, ChunkMissingTerminator, + InvalidChunkSize) + + +class ChunkedReader: + def __init__(self, req, unreader): + self.req = req + self.parser = self.parse_chunked(unreader) + self.buf = io.BytesIO() + + def read(self, size): + if not isinstance(size, int): + raise TypeError("size must be an integer type") + if size < 0: + raise ValueError("Size must be positive.") + if size == 0: + return b"" + + if self.parser: + while self.buf.tell() < size: + try: + self.buf.write(next(self.parser)) + except StopIteration: + self.parser = None + break + + data = self.buf.getvalue() + ret, rest = data[:size], data[size:] + self.buf = io.BytesIO() + self.buf.write(rest) + return ret + + def parse_trailers(self, unreader, data): + buf = io.BytesIO() + buf.write(data) + + idx = buf.getvalue().find(b"\r\n\r\n") + done = buf.getvalue()[:2] == b"\r\n" + while idx < 0 and not done: + self.get_data(unreader, buf) + idx = buf.getvalue().find(b"\r\n\r\n") + done = buf.getvalue()[:2] == b"\r\n" + if done: + unreader.unread(buf.getvalue()[2:]) + return b"" + self.req.trailers = self.req.parse_headers(buf.getvalue()[:idx], from_trailer=True) + unreader.unread(buf.getvalue()[idx + 4:]) + + def parse_chunked(self, unreader): + (size, rest) = self.parse_chunk_size(unreader) + while size > 0: + while size > len(rest): + size -= len(rest) + yield rest + rest = unreader.read() + if not rest: + raise NoMoreData() + yield rest[:size] + # Remove \r\n after chunk + rest = rest[size:] + while len(rest) < 2: + new_data = unreader.read() + if not new_data: + break + rest += new_data + if rest[:2] != b'\r\n': + raise ChunkMissingTerminator(rest[:2]) + (size, rest) = self.parse_chunk_size(unreader, data=rest[2:]) + + def parse_chunk_size(self, unreader, data=None): + buf = io.BytesIO() + if data is not None: + buf.write(data) + + idx = buf.getvalue().find(b"\r\n") + while idx < 0: + self.get_data(unreader, buf) + idx = buf.getvalue().find(b"\r\n") + + data = buf.getvalue() + line, rest_chunk = data[:idx], data[idx + 2:] + + # RFC9112 7.1.1: BWS before chunk-ext - but ONLY then + chunk_size, *chunk_ext = line.split(b";", 1) + if chunk_ext: + chunk_size = chunk_size.rstrip(b" \t") + if any(n not in b"0123456789abcdefABCDEF" for n in chunk_size): + raise InvalidChunkSize(chunk_size) + if len(chunk_size) == 0: + raise InvalidChunkSize(chunk_size) + chunk_size = int(chunk_size, 16) + + if chunk_size == 0: + try: + self.parse_trailers(unreader, rest_chunk) + except NoMoreData: + pass + return (0, None) + return (chunk_size, rest_chunk) + + def get_data(self, unreader, buf): + data = unreader.read() + if not data: + raise NoMoreData() + buf.write(data) + + +class LengthReader: + def __init__(self, unreader, length): + self.unreader = unreader + self.length = length + + def read(self, size): + if not isinstance(size, int): + raise TypeError("size must be an integral type") + + size = min(self.length, size) + if size < 0: + raise ValueError("Size must be positive.") + if size == 0: + return b"" + + buf = io.BytesIO() + data = self.unreader.read() + while data: + buf.write(data) + if buf.tell() >= size: + break + data = self.unreader.read() + + buf = buf.getvalue() + ret, rest = buf[:size], buf[size:] + self.unreader.unread(rest) + self.length -= size + return ret + + +class EOFReader: + def __init__(self, unreader): + self.unreader = unreader + self.buf = io.BytesIO() + self.finished = False + + def read(self, size): + if not isinstance(size, int): + raise TypeError("size must be an integral type") + if size < 0: + raise ValueError("Size must be positive.") + if size == 0: + return b"" + + if self.finished: + data = self.buf.getvalue() + ret, rest = data[:size], data[size:] + self.buf = io.BytesIO() + self.buf.write(rest) + return ret + + data = self.unreader.read() + while data: + self.buf.write(data) + if self.buf.tell() > size: + break + data = self.unreader.read() + + if not data: + self.finished = True + + data = self.buf.getvalue() + ret, rest = data[:size], data[size:] + self.buf = io.BytesIO() + self.buf.write(rest) + return ret + + +class Body: + def __init__(self, reader): + self.reader = reader + self.buf = io.BytesIO() + + def __iter__(self): + return self + + def __next__(self): + ret = self.readline() + if not ret: + raise StopIteration() + return ret + + next = __next__ + + def getsize(self, size): + if size is None: + return sys.maxsize + elif not isinstance(size, int): + raise TypeError("size must be an integral type") + elif size < 0: + return sys.maxsize + return size + + def read(self, size=None): + size = self.getsize(size) + if size == 0: + return b"" + + if size < self.buf.tell(): + data = self.buf.getvalue() + ret, rest = data[:size], data[size:] + self.buf = io.BytesIO() + self.buf.write(rest) + return ret + + while size > self.buf.tell(): + data = self.reader.read(1024) + if not data: + break + self.buf.write(data) + + data = self.buf.getvalue() + ret, rest = data[:size], data[size:] + self.buf = io.BytesIO() + self.buf.write(rest) + return ret + + def readline(self, size=None): + size = self.getsize(size) + if size == 0: + return b"" + + data = self.buf.getvalue() + self.buf = io.BytesIO() + + ret = [] + while 1: + idx = data.find(b"\n", 0, size) + idx = idx + 1 if idx >= 0 else size if len(data) >= size else 0 + if idx: + ret.append(data[:idx]) + self.buf.write(data[idx:]) + break + + ret.append(data) + size -= len(data) + data = self.reader.read(min(1024, size)) + if not data: + break + + return b"".join(ret) + + def readlines(self, size=None): + ret = [] + data = self.read() + while data: + pos = data.find(b"\n") + if pos < 0: + ret.append(data) + data = b"" + else: + line, data = data[:pos + 1], data[pos + 1:] + ret.append(line) + return ret diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/errors.py b/venv/lib/python3.12/site-packages/gunicorn/http/errors.py new file mode 100644 index 0000000..bcb9700 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/http/errors.py @@ -0,0 +1,145 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +# We don't need to call super() in __init__ methods of our +# BaseException and Exception classes because we also define +# our own __str__ methods so there is no need to pass 'message' +# to the base class to get a meaningful output from 'str(exc)'. +# pylint: disable=super-init-not-called + + +class ParseException(Exception): + pass + + +class NoMoreData(IOError): + def __init__(self, buf=None): + self.buf = buf + + def __str__(self): + return "No more data after: %r" % self.buf + + +class ConfigurationProblem(ParseException): + def __init__(self, info): + self.info = info + self.code = 500 + + def __str__(self): + return "Configuration problem: %s" % self.info + + +class InvalidRequestLine(ParseException): + def __init__(self, req): + self.req = req + self.code = 400 + + def __str__(self): + return "Invalid HTTP request line: %r" % self.req + + +class InvalidRequestMethod(ParseException): + def __init__(self, method): + self.method = method + + def __str__(self): + return "Invalid HTTP method: %r" % self.method + + +class InvalidHTTPVersion(ParseException): + def __init__(self, version): + self.version = version + + def __str__(self): + return "Invalid HTTP Version: %r" % (self.version,) + + +class InvalidHeader(ParseException): + def __init__(self, hdr, req=None): + self.hdr = hdr + self.req = req + + def __str__(self): + return "Invalid HTTP Header: %r" % self.hdr + + +class ObsoleteFolding(ParseException): + def __init__(self, hdr): + self.hdr = hdr + + def __str__(self): + return "Obsolete line folding is unacceptable: %r" % (self.hdr, ) + + +class InvalidHeaderName(ParseException): + def __init__(self, hdr): + self.hdr = hdr + + def __str__(self): + return "Invalid HTTP header name: %r" % self.hdr + + +class UnsupportedTransferCoding(ParseException): + def __init__(self, hdr): + self.hdr = hdr + self.code = 501 + + def __str__(self): + return "Unsupported transfer coding: %r" % self.hdr + + +class InvalidChunkSize(IOError): + def __init__(self, data): + self.data = data + + def __str__(self): + return "Invalid chunk size: %r" % self.data + + +class ChunkMissingTerminator(IOError): + def __init__(self, term): + self.term = term + + def __str__(self): + return "Invalid chunk terminator is not '\\r\\n': %r" % self.term + + +class LimitRequestLine(ParseException): + def __init__(self, size, max_size): + self.size = size + self.max_size = max_size + + def __str__(self): + return "Request Line is too large (%s > %s)" % (self.size, self.max_size) + + +class LimitRequestHeaders(ParseException): + def __init__(self, msg): + self.msg = msg + + def __str__(self): + return self.msg + + +class InvalidProxyLine(ParseException): + def __init__(self, line): + self.line = line + self.code = 400 + + def __str__(self): + return "Invalid PROXY line: %r" % self.line + + +class ForbiddenProxyRequest(ParseException): + def __init__(self, host): + self.host = host + self.code = 403 + + def __str__(self): + return "Proxy request from %r not allowed" % self.host + + +class InvalidSchemeHeaders(ParseException): + def __str__(self): + return "Contradictory scheme headers" diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/message.py b/venv/lib/python3.12/site-packages/gunicorn/http/message.py new file mode 100644 index 0000000..59ce0bf --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/http/message.py @@ -0,0 +1,463 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import io +import re +import socket + +from gunicorn.http.body import ChunkedReader, LengthReader, EOFReader, Body +from gunicorn.http.errors import ( + InvalidHeader, InvalidHeaderName, NoMoreData, + InvalidRequestLine, InvalidRequestMethod, InvalidHTTPVersion, + LimitRequestLine, LimitRequestHeaders, + UnsupportedTransferCoding, ObsoleteFolding, +) +from gunicorn.http.errors import InvalidProxyLine, ForbiddenProxyRequest +from gunicorn.http.errors import InvalidSchemeHeaders +from gunicorn.util import bytes_to_str, split_request_uri + +MAX_REQUEST_LINE = 8190 +MAX_HEADERS = 32768 +DEFAULT_MAX_HEADERFIELD_SIZE = 8190 + +# verbosely on purpose, avoid backslash ambiguity +RFC9110_5_6_2_TOKEN_SPECIALS = r"!#$%&'*+-.^_`|~" +TOKEN_RE = re.compile(r"[%s0-9a-zA-Z]+" % (re.escape(RFC9110_5_6_2_TOKEN_SPECIALS))) +METHOD_BADCHAR_RE = re.compile("[a-z#]") +# usually 1.0 or 1.1 - RFC9112 permits restricting to single-digit versions +VERSION_RE = re.compile(r"HTTP/(\d)\.(\d)") +RFC9110_5_5_INVALID_AND_DANGEROUS = re.compile(r"[\0\r\n]") + + +class Message: + def __init__(self, cfg, unreader, peer_addr): + self.cfg = cfg + self.unreader = unreader + self.peer_addr = peer_addr + self.remote_addr = peer_addr + self.version = None + self.headers = [] + self.trailers = [] + self.body = None + self.scheme = "https" if cfg.is_ssl else "http" + self.must_close = False + + # set headers limits + self.limit_request_fields = cfg.limit_request_fields + if (self.limit_request_fields <= 0 + or self.limit_request_fields > MAX_HEADERS): + self.limit_request_fields = MAX_HEADERS + self.limit_request_field_size = cfg.limit_request_field_size + if self.limit_request_field_size < 0: + self.limit_request_field_size = DEFAULT_MAX_HEADERFIELD_SIZE + + # set max header buffer size + max_header_field_size = self.limit_request_field_size or DEFAULT_MAX_HEADERFIELD_SIZE + self.max_buffer_headers = self.limit_request_fields * \ + (max_header_field_size + 2) + 4 + + unused = self.parse(self.unreader) + self.unreader.unread(unused) + self.set_body_reader() + + def force_close(self): + self.must_close = True + + def parse(self, unreader): + raise NotImplementedError() + + def parse_headers(self, data, from_trailer=False): + cfg = self.cfg + headers = [] + + # Split lines on \r\n + lines = [bytes_to_str(line) for line in data.split(b"\r\n")] + + # handle scheme headers + scheme_header = False + secure_scheme_headers = {} + forwarder_headers = [] + if from_trailer: + # nonsense. either a request is https from the beginning + # .. or we are just behind a proxy who does not remove conflicting trailers + pass + elif ('*' in cfg.forwarded_allow_ips or + not isinstance(self.peer_addr, tuple) + or self.peer_addr[0] in cfg.forwarded_allow_ips): + secure_scheme_headers = cfg.secure_scheme_headers + forwarder_headers = cfg.forwarder_headers + + # Parse headers into key/value pairs paying attention + # to continuation lines. + while lines: + if len(headers) >= self.limit_request_fields: + raise LimitRequestHeaders("limit request headers fields") + + # Parse initial header name: value pair. + curr = lines.pop(0) + header_length = len(curr) + len("\r\n") + if curr.find(":") <= 0: + raise InvalidHeader(curr) + name, value = curr.split(":", 1) + if self.cfg.strip_header_spaces: + name = name.rstrip(" \t") + if not TOKEN_RE.fullmatch(name): + raise InvalidHeaderName(name) + + # this is still a dangerous place to do this + # but it is more correct than doing it before the pattern match: + # after we entered Unicode wonderland, 8bits could case-shift into ASCII: + # b"\xDF".decode("latin-1").upper().encode("ascii") == b"SS" + name = name.upper() + + value = [value.strip(" \t")] + + # Consume value continuation lines.. + while lines and lines[0].startswith((" ", "\t")): + # .. which is obsolete here, and no longer done by default + if not self.cfg.permit_obsolete_folding: + raise ObsoleteFolding(name) + curr = lines.pop(0) + header_length += len(curr) + len("\r\n") + if header_length > self.limit_request_field_size > 0: + raise LimitRequestHeaders("limit request headers " + "fields size") + value.append(curr.strip("\t ")) + value = " ".join(value) + + if RFC9110_5_5_INVALID_AND_DANGEROUS.search(value): + raise InvalidHeader(name) + + if header_length > self.limit_request_field_size > 0: + raise LimitRequestHeaders("limit request headers fields size") + + if name in secure_scheme_headers: + secure = value == secure_scheme_headers[name] + scheme = "https" if secure else "http" + if scheme_header: + if scheme != self.scheme: + raise InvalidSchemeHeaders() + else: + scheme_header = True + self.scheme = scheme + + # ambiguous mapping allows fooling downstream, e.g. merging non-identical headers: + # X-Forwarded-For: 2001:db8::ha:cc:ed + # X_Forwarded_For: 127.0.0.1,::1 + # HTTP_X_FORWARDED_FOR = 2001:db8::ha:cc:ed,127.0.0.1,::1 + # Only modify after fixing *ALL* header transformations; network to wsgi env + if "_" in name: + if name in forwarder_headers or "*" in forwarder_headers: + # This forwarder may override our environment + pass + elif self.cfg.header_map == "dangerous": + # as if we did not know we cannot safely map this + pass + elif self.cfg.header_map == "drop": + # almost as if it never had been there + # but still counts against resource limits + continue + else: + # fail-safe fallthrough: refuse + raise InvalidHeaderName(name) + + headers.append((name, value)) + + return headers + + def set_body_reader(self): + chunked = False + content_length = None + + for (name, value) in self.headers: + if name == "CONTENT-LENGTH": + if content_length is not None: + raise InvalidHeader("CONTENT-LENGTH", req=self) + content_length = value + elif name == "TRANSFER-ENCODING": + # T-E can be a list + # https://datatracker.ietf.org/doc/html/rfc9112#name-transfer-encoding + vals = [v.strip() for v in value.split(',')] + for val in vals: + if val.lower() == "chunked": + # DANGER: transfer codings stack, and stacked chunking is never intended + if chunked: + raise InvalidHeader("TRANSFER-ENCODING", req=self) + chunked = True + elif val.lower() == "identity": + # does not do much, could still plausibly desync from what the proxy does + # safe option: nuke it, its never needed + if chunked: + raise InvalidHeader("TRANSFER-ENCODING", req=self) + elif val.lower() in ('compress', 'deflate', 'gzip'): + # chunked should be the last one + if chunked: + raise InvalidHeader("TRANSFER-ENCODING", req=self) + self.force_close() + else: + raise UnsupportedTransferCoding(value) + + if chunked: + # two potentially dangerous cases: + # a) CL + TE (TE overrides CL.. only safe if the recipient sees it that way too) + # b) chunked HTTP/1.0 (always faulty) + if self.version < (1, 1): + # framing wonky, see RFC 9112 Section 6.1 + raise InvalidHeader("TRANSFER-ENCODING", req=self) + if content_length is not None: + # we cannot be certain the message framing we understood matches proxy intent + # -> whatever happens next, remaining input must not be trusted + raise InvalidHeader("CONTENT-LENGTH", req=self) + self.body = Body(ChunkedReader(self, self.unreader)) + elif content_length is not None: + try: + if str(content_length).isnumeric(): + content_length = int(content_length) + else: + raise InvalidHeader("CONTENT-LENGTH", req=self) + except ValueError: + raise InvalidHeader("CONTENT-LENGTH", req=self) + + if content_length < 0: + raise InvalidHeader("CONTENT-LENGTH", req=self) + + self.body = Body(LengthReader(self.unreader, content_length)) + else: + self.body = Body(EOFReader(self.unreader)) + + def should_close(self): + if self.must_close: + return True + for (h, v) in self.headers: + if h == "CONNECTION": + v = v.lower().strip(" \t") + if v == "close": + return True + elif v == "keep-alive": + return False + break + return self.version <= (1, 0) + + +class Request(Message): + def __init__(self, cfg, unreader, peer_addr, req_number=1): + self.method = None + self.uri = None + self.path = None + self.query = None + self.fragment = None + + # get max request line size + self.limit_request_line = cfg.limit_request_line + if (self.limit_request_line < 0 + or self.limit_request_line >= MAX_REQUEST_LINE): + self.limit_request_line = MAX_REQUEST_LINE + + self.req_number = req_number + self.proxy_protocol_info = None + super().__init__(cfg, unreader, peer_addr) + + def get_data(self, unreader, buf, stop=False): + data = unreader.read() + if not data: + if stop: + raise StopIteration() + raise NoMoreData(buf.getvalue()) + buf.write(data) + + def parse(self, unreader): + buf = io.BytesIO() + self.get_data(unreader, buf, stop=True) + + # get request line + line, rbuf = self.read_line(unreader, buf, self.limit_request_line) + + # proxy protocol + if self.proxy_protocol(bytes_to_str(line)): + # get next request line + buf = io.BytesIO() + buf.write(rbuf) + line, rbuf = self.read_line(unreader, buf, self.limit_request_line) + + self.parse_request_line(line) + buf = io.BytesIO() + buf.write(rbuf) + + # Headers + data = buf.getvalue() + idx = data.find(b"\r\n\r\n") + + done = data[:2] == b"\r\n" + while True: + idx = data.find(b"\r\n\r\n") + done = data[:2] == b"\r\n" + + if idx < 0 and not done: + self.get_data(unreader, buf) + data = buf.getvalue() + if len(data) > self.max_buffer_headers: + raise LimitRequestHeaders("max buffer headers") + else: + break + + if done: + self.unreader.unread(data[2:]) + return b"" + + self.headers = self.parse_headers(data[:idx], from_trailer=False) + + ret = data[idx + 4:] + buf = None + return ret + + def read_line(self, unreader, buf, limit=0): + data = buf.getvalue() + + while True: + idx = data.find(b"\r\n") + if idx >= 0: + # check if the request line is too large + if idx > limit > 0: + raise LimitRequestLine(idx, limit) + break + if len(data) - 2 > limit > 0: + raise LimitRequestLine(len(data), limit) + self.get_data(unreader, buf) + data = buf.getvalue() + + return (data[:idx], # request line, + data[idx + 2:]) # residue in the buffer, skip \r\n + + def proxy_protocol(self, line): + """\ + Detect, check and parse proxy protocol. + + :raises: ForbiddenProxyRequest, InvalidProxyLine. + :return: True for proxy protocol line else False + """ + if not self.cfg.proxy_protocol: + return False + + if self.req_number != 1: + return False + + if not line.startswith("PROXY"): + return False + + self.proxy_protocol_access_check() + self.parse_proxy_protocol(line) + + return True + + def proxy_protocol_access_check(self): + # check in allow list + if ("*" not in self.cfg.proxy_allow_ips and + isinstance(self.peer_addr, tuple) and + self.peer_addr[0] not in self.cfg.proxy_allow_ips): + raise ForbiddenProxyRequest(self.peer_addr[0]) + + def parse_proxy_protocol(self, line): + bits = line.split(" ") + + if len(bits) != 6: + raise InvalidProxyLine(line) + + # Extract data + proto = bits[1] + s_addr = bits[2] + d_addr = bits[3] + + # Validation + if proto not in ["TCP4", "TCP6"]: + raise InvalidProxyLine("protocol '%s' not supported" % proto) + if proto == "TCP4": + try: + socket.inet_pton(socket.AF_INET, s_addr) + socket.inet_pton(socket.AF_INET, d_addr) + except OSError: + raise InvalidProxyLine(line) + elif proto == "TCP6": + try: + socket.inet_pton(socket.AF_INET6, s_addr) + socket.inet_pton(socket.AF_INET6, d_addr) + except OSError: + raise InvalidProxyLine(line) + + try: + s_port = int(bits[4]) + d_port = int(bits[5]) + except ValueError: + raise InvalidProxyLine("invalid port %s" % line) + + if not ((0 <= s_port <= 65535) and (0 <= d_port <= 65535)): + raise InvalidProxyLine("invalid port %s" % line) + + # Set data + self.proxy_protocol_info = { + "proxy_protocol": proto, + "client_addr": s_addr, + "client_port": s_port, + "proxy_addr": d_addr, + "proxy_port": d_port + } + + def parse_request_line(self, line_bytes): + bits = [bytes_to_str(bit) for bit in line_bytes.split(b" ", 2)] + if len(bits) != 3: + raise InvalidRequestLine(bytes_to_str(line_bytes)) + + # Method: RFC9110 Section 9 + self.method = bits[0] + + # nonstandard restriction, suitable for all IANA registered methods + # partially enforced in previous gunicorn versions + if not self.cfg.permit_unconventional_http_method: + if METHOD_BADCHAR_RE.search(self.method): + raise InvalidRequestMethod(self.method) + if not 3 <= len(bits[0]) <= 20: + raise InvalidRequestMethod(self.method) + # standard restriction: RFC9110 token + if not TOKEN_RE.fullmatch(self.method): + raise InvalidRequestMethod(self.method) + # nonstandard and dangerous + # methods are merely uppercase by convention, no case-insensitive treatment is intended + if self.cfg.casefold_http_method: + self.method = self.method.upper() + + # URI + self.uri = bits[1] + + # Python stdlib explicitly tells us it will not perform validation. + # https://docs.python.org/3/library/urllib.parse.html#url-parsing-security + # There are *four* `request-target` forms in rfc9112, none of them can be empty: + # 1. origin-form, which starts with a slash + # 2. absolute-form, which starts with a non-empty scheme + # 3. authority-form, (for CONNECT) which contains a colon after the host + # 4. asterisk-form, which is an asterisk (`\x2A`) + # => manually reject one always invalid URI: empty + if len(self.uri) == 0: + raise InvalidRequestLine(bytes_to_str(line_bytes)) + + try: + parts = split_request_uri(self.uri) + except ValueError: + raise InvalidRequestLine(bytes_to_str(line_bytes)) + self.path = parts.path or "" + self.query = parts.query or "" + self.fragment = parts.fragment or "" + + # Version + match = VERSION_RE.fullmatch(bits[2]) + if match is None: + raise InvalidHTTPVersion(bits[2]) + self.version = (int(match.group(1)), int(match.group(2))) + if not (1, 0) <= self.version < (2, 0): + # if ever relaxing this, carefully review Content-Encoding processing + if not self.cfg.permit_unconventional_http_version: + raise InvalidHTTPVersion(self.version) + + def set_body_reader(self): + super().set_body_reader() + if isinstance(self.body.reader, EOFReader): + self.body = Body(LengthReader(self.unreader, 0)) diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/parser.py b/venv/lib/python3.12/site-packages/gunicorn/http/parser.py new file mode 100644 index 0000000..88da17a --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/http/parser.py @@ -0,0 +1,51 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +from gunicorn.http.message import Request +from gunicorn.http.unreader import SocketUnreader, IterUnreader + + +class Parser: + + mesg_class = None + + def __init__(self, cfg, source, source_addr): + self.cfg = cfg + if hasattr(source, "recv"): + self.unreader = SocketUnreader(source) + else: + self.unreader = IterUnreader(source) + self.mesg = None + self.source_addr = source_addr + + # request counter (for keepalive connetions) + self.req_count = 0 + + def __iter__(self): + return self + + def __next__(self): + # Stop if HTTP dictates a stop. + if self.mesg and self.mesg.should_close(): + raise StopIteration() + + # Discard any unread body of the previous message + if self.mesg: + data = self.mesg.body.read(8192) + while data: + data = self.mesg.body.read(8192) + + # Parse the next request + self.req_count += 1 + self.mesg = self.mesg_class(self.cfg, self.unreader, self.source_addr, self.req_count) + if not self.mesg: + raise StopIteration() + return self.mesg + + next = __next__ + + +class RequestParser(Parser): + + mesg_class = Request diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/unreader.py b/venv/lib/python3.12/site-packages/gunicorn/http/unreader.py new file mode 100644 index 0000000..9aadfbc --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/http/unreader.py @@ -0,0 +1,78 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import io +import os + +# Classes that can undo reading data from +# a given type of data source. + + +class Unreader: + def __init__(self): + self.buf = io.BytesIO() + + def chunk(self): + raise NotImplementedError() + + def read(self, size=None): + if size is not None and not isinstance(size, int): + raise TypeError("size parameter must be an int or long.") + + if size is not None: + if size == 0: + return b"" + if size < 0: + size = None + + self.buf.seek(0, os.SEEK_END) + + if size is None and self.buf.tell(): + ret = self.buf.getvalue() + self.buf = io.BytesIO() + return ret + if size is None: + d = self.chunk() + return d + + while self.buf.tell() < size: + chunk = self.chunk() + if not chunk: + ret = self.buf.getvalue() + self.buf = io.BytesIO() + return ret + self.buf.write(chunk) + data = self.buf.getvalue() + self.buf = io.BytesIO() + self.buf.write(data[size:]) + return data[:size] + + def unread(self, data): + self.buf.seek(0, os.SEEK_END) + self.buf.write(data) + + +class SocketUnreader(Unreader): + def __init__(self, sock, max_chunk=8192): + super().__init__() + self.sock = sock + self.mxchunk = max_chunk + + def chunk(self): + return self.sock.recv(self.mxchunk) + + +class IterUnreader(Unreader): + def __init__(self, iterable): + super().__init__() + self.iter = iter(iterable) + + def chunk(self): + if not self.iter: + return b"" + try: + return next(self.iter) + except StopIteration: + self.iter = None + return b"" diff --git a/venv/lib/python3.12/site-packages/gunicorn/http/wsgi.py b/venv/lib/python3.12/site-packages/gunicorn/http/wsgi.py new file mode 100644 index 0000000..419ac50 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/http/wsgi.py @@ -0,0 +1,401 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import io +import logging +import os +import re +import sys + +from gunicorn.http.message import TOKEN_RE +from gunicorn.http.errors import ConfigurationProblem, InvalidHeader, InvalidHeaderName +from gunicorn import SERVER_SOFTWARE, SERVER +from gunicorn import util + +# Send files in at most 1GB blocks as some operating systems can have problems +# with sending files in blocks over 2GB. +BLKSIZE = 0x3FFFFFFF + +# RFC9110 5.5: field-vchar = VCHAR / obs-text +# RFC4234 B.1: VCHAR = 0x21-x07E = printable ASCII +HEADER_VALUE_RE = re.compile(r'[ \t\x21-\x7e\x80-\xff]*') + +log = logging.getLogger(__name__) + + +class FileWrapper: + + def __init__(self, filelike, blksize=8192): + self.filelike = filelike + self.blksize = blksize + if hasattr(filelike, 'close'): + self.close = filelike.close + + def __getitem__(self, key): + data = self.filelike.read(self.blksize) + if data: + return data + raise IndexError + + +class WSGIErrorsWrapper(io.RawIOBase): + + def __init__(self, cfg): + # There is no public __init__ method for RawIOBase so + # we don't need to call super() in the __init__ method. + # pylint: disable=super-init-not-called + errorlog = logging.getLogger("gunicorn.error") + handlers = errorlog.handlers + self.streams = [] + + if cfg.errorlog == "-": + self.streams.append(sys.stderr) + handlers = handlers[1:] + + for h in handlers: + if hasattr(h, "stream"): + self.streams.append(h.stream) + + def write(self, data): + for stream in self.streams: + try: + stream.write(data) + except UnicodeError: + stream.write(data.encode("UTF-8")) + stream.flush() + + +def base_environ(cfg): + return { + "wsgi.errors": WSGIErrorsWrapper(cfg), + "wsgi.version": (1, 0), + "wsgi.multithread": False, + "wsgi.multiprocess": (cfg.workers > 1), + "wsgi.run_once": False, + "wsgi.file_wrapper": FileWrapper, + "wsgi.input_terminated": True, + "SERVER_SOFTWARE": SERVER_SOFTWARE, + } + + +def default_environ(req, sock, cfg): + env = base_environ(cfg) + env.update({ + "wsgi.input": req.body, + "gunicorn.socket": sock, + "REQUEST_METHOD": req.method, + "QUERY_STRING": req.query, + "RAW_URI": req.uri, + "SERVER_PROTOCOL": "HTTP/%s" % ".".join([str(v) for v in req.version]) + }) + return env + + +def proxy_environ(req): + info = req.proxy_protocol_info + + if not info: + return {} + + return { + "PROXY_PROTOCOL": info["proxy_protocol"], + "REMOTE_ADDR": info["client_addr"], + "REMOTE_PORT": str(info["client_port"]), + "PROXY_ADDR": info["proxy_addr"], + "PROXY_PORT": str(info["proxy_port"]), + } + + +def create(req, sock, client, server, cfg): + resp = Response(req, sock, cfg) + + # set initial environ + environ = default_environ(req, sock, cfg) + + # default variables + host = None + script_name = os.environ.get("SCRIPT_NAME", "") + + # add the headers to the environ + for hdr_name, hdr_value in req.headers: + if hdr_name == "EXPECT": + # handle expect + if hdr_value.lower() == "100-continue": + sock.send(b"HTTP/1.1 100 Continue\r\n\r\n") + elif hdr_name == 'HOST': + host = hdr_value + elif hdr_name == "SCRIPT_NAME": + script_name = hdr_value + elif hdr_name == "CONTENT-TYPE": + environ['CONTENT_TYPE'] = hdr_value + continue + elif hdr_name == "CONTENT-LENGTH": + environ['CONTENT_LENGTH'] = hdr_value + continue + + # do not change lightly, this is a common source of security problems + # RFC9110 Section 17.10 discourages ambiguous or incomplete mappings + key = 'HTTP_' + hdr_name.replace('-', '_') + if key in environ: + hdr_value = "%s,%s" % (environ[key], hdr_value) + environ[key] = hdr_value + + # set the url scheme + environ['wsgi.url_scheme'] = req.scheme + + # set the REMOTE_* keys in environ + # authors should be aware that REMOTE_HOST and REMOTE_ADDR + # may not qualify the remote addr: + # http://www.ietf.org/rfc/rfc3875 + if isinstance(client, str): + environ['REMOTE_ADDR'] = client + elif isinstance(client, bytes): + environ['REMOTE_ADDR'] = client.decode() + else: + environ['REMOTE_ADDR'] = client[0] + environ['REMOTE_PORT'] = str(client[1]) + + # handle the SERVER_* + # Normally only the application should use the Host header but since the + # WSGI spec doesn't support unix sockets, we are using it to create + # viable SERVER_* if possible. + if isinstance(server, str): + server = server.split(":") + if len(server) == 1: + # unix socket + if host: + server = host.split(':') + if len(server) == 1: + if req.scheme == "http": + server.append(80) + elif req.scheme == "https": + server.append(443) + else: + server.append('') + else: + # no host header given which means that we are not behind a + # proxy, so append an empty port. + server.append('') + environ['SERVER_NAME'] = server[0] + environ['SERVER_PORT'] = str(server[1]) + + # set the path and script name + path_info = req.path + if script_name: + if not path_info.startswith(script_name): + raise ConfigurationProblem( + "Request path %r does not start with SCRIPT_NAME %r" % + (path_info, script_name)) + path_info = path_info[len(script_name):] + environ['PATH_INFO'] = util.unquote_to_wsgi_str(path_info) + environ['SCRIPT_NAME'] = script_name + + # override the environ with the correct remote and server address if + # we are behind a proxy using the proxy protocol. + environ.update(proxy_environ(req)) + return resp, environ + + +class Response: + + def __init__(self, req, sock, cfg): + self.req = req + self.sock = sock + self.version = SERVER + self.status = None + self.chunked = False + self.must_close = False + self.headers = [] + self.headers_sent = False + self.response_length = None + self.sent = 0 + self.upgrade = False + self.cfg = cfg + + def force_close(self): + self.must_close = True + + def should_close(self): + if self.must_close or self.req.should_close(): + return True + if self.response_length is not None or self.chunked: + return False + if self.req.method == 'HEAD': + return False + if self.status_code < 200 or self.status_code in (204, 304): + return False + return True + + def start_response(self, status, headers, exc_info=None): + if exc_info: + try: + if self.status and self.headers_sent: + util.reraise(exc_info[0], exc_info[1], exc_info[2]) + finally: + exc_info = None + elif self.status is not None: + raise AssertionError("Response headers already set!") + + self.status = status + + # get the status code from the response here so we can use it to check + # the need for the connection header later without parsing the string + # each time. + try: + self.status_code = int(self.status.split()[0]) + except ValueError: + self.status_code = None + + self.process_headers(headers) + self.chunked = self.is_chunked() + return self.write + + def process_headers(self, headers): + for name, value in headers: + if not isinstance(name, str): + raise TypeError('%r is not a string' % name) + + if not TOKEN_RE.fullmatch(name): + raise InvalidHeaderName('%r' % name) + + if not isinstance(value, str): + raise TypeError('%r is not a string' % value) + + if not HEADER_VALUE_RE.fullmatch(value): + raise InvalidHeader('%r' % value) + + # RFC9110 5.5 + value = value.strip(" \t") + lname = name.lower() + if lname == "content-length": + self.response_length = int(value) + elif util.is_hoppish(name): + if lname == "connection": + # handle websocket + if value.lower() == "upgrade": + self.upgrade = True + elif lname == "upgrade": + if value.lower() == "websocket": + self.headers.append((name, value)) + + # ignore hopbyhop headers + continue + self.headers.append((name, value)) + + def is_chunked(self): + # Only use chunked responses when the client is + # speaking HTTP/1.1 or newer and there was + # no Content-Length header set. + if self.response_length is not None: + return False + elif self.req.version <= (1, 0): + return False + elif self.req.method == 'HEAD': + # Responses to a HEAD request MUST NOT contain a response body. + return False + elif self.status_code in (204, 304): + # Do not use chunked responses when the response is guaranteed to + # not have a response body. + return False + return True + + def default_headers(self): + # set the connection header + if self.upgrade: + connection = "upgrade" + elif self.should_close(): + connection = "close" + else: + connection = "keep-alive" + + headers = [ + "HTTP/%s.%s %s\r\n" % (self.req.version[0], + self.req.version[1], self.status), + "Server: %s\r\n" % self.version, + "Date: %s\r\n" % util.http_date(), + "Connection: %s\r\n" % connection + ] + if self.chunked: + headers.append("Transfer-Encoding: chunked\r\n") + return headers + + def send_headers(self): + if self.headers_sent: + return + tosend = self.default_headers() + tosend.extend(["%s: %s\r\n" % (k, v) for k, v in self.headers]) + + header_str = "%s\r\n" % "".join(tosend) + util.write(self.sock, util.to_bytestring(header_str, "latin-1")) + self.headers_sent = True + + def write(self, arg): + self.send_headers() + if not isinstance(arg, bytes): + raise TypeError('%r is not a byte' % arg) + arglen = len(arg) + tosend = arglen + if self.response_length is not None: + if self.sent >= self.response_length: + # Never write more than self.response_length bytes + return + + tosend = min(self.response_length - self.sent, tosend) + if tosend < arglen: + arg = arg[:tosend] + + # Sending an empty chunk signals the end of the + # response and prematurely closes the response + if self.chunked and tosend == 0: + return + + self.sent += tosend + util.write(self.sock, arg, self.chunked) + + def can_sendfile(self): + return self.cfg.sendfile is not False + + def sendfile(self, respiter): + if self.cfg.is_ssl or not self.can_sendfile(): + return False + + if not util.has_fileno(respiter.filelike): + return False + + fileno = respiter.filelike.fileno() + try: + offset = os.lseek(fileno, 0, os.SEEK_CUR) + if self.response_length is None: + filesize = os.fstat(fileno).st_size + nbytes = filesize - offset + else: + nbytes = self.response_length + except (OSError, io.UnsupportedOperation): + return False + + self.send_headers() + + if self.is_chunked(): + chunk_size = "%X\r\n" % nbytes + self.sock.sendall(chunk_size.encode('utf-8')) + if nbytes > 0: + self.sock.sendfile(respiter.filelike, offset=offset, count=nbytes) + + if self.is_chunked(): + self.sock.sendall(b"\r\n") + + os.lseek(fileno, offset, os.SEEK_SET) + + return True + + def write_file(self, respiter): + if not self.sendfile(respiter): + for item in respiter: + self.write(item) + + def close(self): + if not self.headers_sent: + self.send_headers() + if self.chunked: + util.write_chunk(self.sock, b"") diff --git a/venv/lib/python3.12/site-packages/gunicorn/instrument/__init__.py 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100644 index 0000000..7bc4e6f --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/instrument/statsd.py @@ -0,0 +1,134 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +"Bare-bones implementation of statsD's protocol, client-side" + +import logging +import socket +from re import sub + +from gunicorn.glogging import Logger + +# Instrumentation constants +METRIC_VAR = "metric" +VALUE_VAR = "value" +MTYPE_VAR = "mtype" +GAUGE_TYPE = "gauge" +COUNTER_TYPE = "counter" +HISTOGRAM_TYPE = "histogram" + + +class Statsd(Logger): + """statsD-based instrumentation, that passes as a logger + """ + def __init__(self, cfg): + Logger.__init__(self, cfg) + self.prefix = sub(r"^(.+[^.]+)\.*$", "\\g<1>.", cfg.statsd_prefix) + + if isinstance(cfg.statsd_host, str): + address_family = socket.AF_UNIX + else: + address_family = socket.AF_INET + + try: + self.sock = socket.socket(address_family, socket.SOCK_DGRAM) + self.sock.connect(cfg.statsd_host) + except Exception: + self.sock = None + + self.dogstatsd_tags = cfg.dogstatsd_tags + + # Log errors and warnings + def critical(self, msg, *args, **kwargs): + Logger.critical(self, msg, *args, **kwargs) + self.increment("gunicorn.log.critical", 1) + + def error(self, msg, *args, **kwargs): + Logger.error(self, msg, *args, **kwargs) + self.increment("gunicorn.log.error", 1) + + def warning(self, msg, *args, **kwargs): + Logger.warning(self, msg, *args, **kwargs) + self.increment("gunicorn.log.warning", 1) + + def exception(self, msg, *args, **kwargs): + Logger.exception(self, msg, *args, **kwargs) + self.increment("gunicorn.log.exception", 1) + + # Special treatment for info, the most common log level + def info(self, msg, *args, **kwargs): + self.log(logging.INFO, msg, *args, **kwargs) + + # skip the run-of-the-mill logs + def debug(self, msg, *args, **kwargs): + self.log(logging.DEBUG, msg, *args, **kwargs) + + def log(self, lvl, msg, *args, **kwargs): + """Log a given statistic if metric, value and type are present + """ + try: + extra = kwargs.get("extra", None) + if extra is not None: + metric = extra.get(METRIC_VAR, None) + value = extra.get(VALUE_VAR, None) + typ = extra.get(MTYPE_VAR, None) + if metric and value and typ: + if typ == GAUGE_TYPE: + self.gauge(metric, value) + elif typ == COUNTER_TYPE: + self.increment(metric, value) + elif typ == HISTOGRAM_TYPE: + self.histogram(metric, value) + else: + pass + + # Log to parent logger only if there is something to say + if msg: + Logger.log(self, lvl, msg, *args, **kwargs) + except Exception: + Logger.warning(self, "Failed to log to statsd", exc_info=True) + + # access logging + def access(self, resp, req, environ, request_time): + """Measure request duration + request_time is a datetime.timedelta + """ + Logger.access(self, resp, req, environ, request_time) + duration_in_ms = request_time.seconds * 1000 + float(request_time.microseconds) / 10 ** 3 + status = resp.status + if isinstance(status, bytes): + status = status.decode('utf-8') + if isinstance(status, str): + status = int(status.split(None, 1)[0]) + self.histogram("gunicorn.request.duration", duration_in_ms) + self.increment("gunicorn.requests", 1) + self.increment("gunicorn.request.status.%d" % status, 1) + + # statsD methods + # you can use those directly if you want + def gauge(self, name, value): + self._sock_send("{0}{1}:{2}|g".format(self.prefix, name, value)) + + def increment(self, name, value, sampling_rate=1.0): + self._sock_send("{0}{1}:{2}|c|@{3}".format(self.prefix, name, value, sampling_rate)) + + def decrement(self, name, value, sampling_rate=1.0): + self._sock_send("{0}{1}:-{2}|c|@{3}".format(self.prefix, name, value, sampling_rate)) + + def histogram(self, name, value): + self._sock_send("{0}{1}:{2}|ms".format(self.prefix, name, value)) + + def _sock_send(self, msg): + try: + if isinstance(msg, str): + msg = msg.encode("ascii") + + # http://docs.datadoghq.com/guides/dogstatsd/#datagram-format + if self.dogstatsd_tags: + msg = msg + b"|#" + self.dogstatsd_tags.encode('ascii') + + if self.sock: + self.sock.send(msg) + except Exception: + Logger.warning(self, "Error sending message to statsd", exc_info=True) diff --git a/venv/lib/python3.12/site-packages/gunicorn/pidfile.py b/venv/lib/python3.12/site-packages/gunicorn/pidfile.py new file mode 100644 index 0000000..b171f7d --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/pidfile.py @@ -0,0 +1,85 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import errno +import os +import tempfile + + +class Pidfile: + """\ + Manage a PID file. If a specific name is provided + it and '"%s.oldpid" % name' will be used. Otherwise + we create a temp file using os.mkstemp. + """ + + def __init__(self, fname): + self.fname = fname + self.pid = None + + def create(self, pid): + oldpid = self.validate() + if oldpid: + if oldpid == os.getpid(): + return + msg = "Already running on PID %s (or pid file '%s' is stale)" + raise RuntimeError(msg % (oldpid, self.fname)) + + self.pid = pid + + # Write pidfile + fdir = os.path.dirname(self.fname) + if fdir and not os.path.isdir(fdir): + raise RuntimeError("%s doesn't exist. Can't create pidfile." % fdir) + fd, fname = tempfile.mkstemp(dir=fdir) + os.write(fd, ("%s\n" % self.pid).encode('utf-8')) + if self.fname: + os.rename(fname, self.fname) + else: + self.fname = fname + os.close(fd) + + # set permissions to -rw-r--r-- + os.chmod(self.fname, 420) + + def rename(self, path): + self.unlink() + self.fname = path + self.create(self.pid) + + def unlink(self): + """ delete pidfile""" + try: + with open(self.fname) as f: + pid1 = int(f.read() or 0) + + if pid1 == self.pid: + os.unlink(self.fname) + except Exception: + pass + + def validate(self): + """ Validate pidfile and make it stale if needed""" + if not self.fname: + return + try: + with open(self.fname) as f: + try: + wpid = int(f.read()) + except ValueError: + return + + try: + os.kill(wpid, 0) + return wpid + except OSError as e: + if e.args[0] == errno.EPERM: + return wpid + if e.args[0] == errno.ESRCH: + return + raise + except OSError as e: + if e.args[0] == errno.ENOENT: + return + raise diff --git a/venv/lib/python3.12/site-packages/gunicorn/reloader.py b/venv/lib/python3.12/site-packages/gunicorn/reloader.py new file mode 100644 index 0000000..1c67f2a --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/reloader.py @@ -0,0 +1,131 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. +# pylint: disable=no-else-continue + +import os +import os.path +import re +import sys +import time +import threading + +COMPILED_EXT_RE = re.compile(r'py[co]$') + + +class Reloader(threading.Thread): + def __init__(self, extra_files=None, interval=1, callback=None): + super().__init__() + self.daemon = True + self._extra_files = set(extra_files or ()) + self._interval = interval + self._callback = callback + + def add_extra_file(self, filename): + self._extra_files.add(filename) + + def get_files(self): + fnames = [ + COMPILED_EXT_RE.sub('py', module.__file__) + for module in tuple(sys.modules.values()) + if getattr(module, '__file__', None) + ] + + fnames.extend(self._extra_files) + + return fnames + + def run(self): + mtimes = {} + while True: + for filename in self.get_files(): + try: + mtime = os.stat(filename).st_mtime + except OSError: + continue + old_time = mtimes.get(filename) + if old_time is None: + mtimes[filename] = mtime + continue + elif mtime > old_time: + if self._callback: + self._callback(filename) + time.sleep(self._interval) + + +has_inotify = False +if sys.platform.startswith('linux'): + try: + from inotify.adapters import Inotify + import inotify.constants + has_inotify = True + except ImportError: + pass + + +if has_inotify: + + class InotifyReloader(threading.Thread): + event_mask = (inotify.constants.IN_CREATE | inotify.constants.IN_DELETE + | inotify.constants.IN_DELETE_SELF | inotify.constants.IN_MODIFY + | inotify.constants.IN_MOVE_SELF | inotify.constants.IN_MOVED_FROM + | inotify.constants.IN_MOVED_TO) + + def __init__(self, extra_files=None, callback=None): + super().__init__() + self.daemon = True + self._callback = callback + self._dirs = set() + self._watcher = Inotify() + + for extra_file in extra_files: + self.add_extra_file(extra_file) + + def add_extra_file(self, filename): + dirname = os.path.dirname(filename) + + if dirname in self._dirs: + return + + self._watcher.add_watch(dirname, mask=self.event_mask) + self._dirs.add(dirname) + + def get_dirs(self): + fnames = [ + os.path.dirname(os.path.abspath(COMPILED_EXT_RE.sub('py', module.__file__))) + for module in tuple(sys.modules.values()) + if getattr(module, '__file__', None) + ] + + return set(fnames) + + def run(self): + self._dirs = self.get_dirs() + + for dirname in self._dirs: + if os.path.isdir(dirname): + self._watcher.add_watch(dirname, mask=self.event_mask) + + for event in self._watcher.event_gen(): + if event is None: + continue + + filename = event[3] + + self._callback(filename) + +else: + + class InotifyReloader: + def __init__(self, extra_files=None, callback=None): + raise ImportError('You must have the inotify module installed to ' + 'use the inotify reloader') + + +preferred_reloader = InotifyReloader if has_inotify else Reloader + +reloader_engines = { + 'auto': preferred_reloader, + 'poll': Reloader, + 'inotify': InotifyReloader, +} diff --git a/venv/lib/python3.12/site-packages/gunicorn/sock.py b/venv/lib/python3.12/site-packages/gunicorn/sock.py new file mode 100644 index 0000000..eb2b6fa --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/sock.py @@ -0,0 +1,231 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import errno +import os +import socket +import ssl +import stat +import sys +import time + +from gunicorn import util + + +class BaseSocket: + + def __init__(self, address, conf, log, fd=None): + self.log = log + self.conf = conf + + self.cfg_addr = address + if fd is None: + sock = socket.socket(self.FAMILY, socket.SOCK_STREAM) + bound = False + else: + sock = socket.fromfd(fd, self.FAMILY, socket.SOCK_STREAM) + os.close(fd) + bound = True + + self.sock = self.set_options(sock, bound=bound) + + def __str__(self): + return "" % self.sock.fileno() + + def __getattr__(self, name): + return getattr(self.sock, name) + + def set_options(self, sock, bound=False): + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + if (self.conf.reuse_port + and hasattr(socket, 'SO_REUSEPORT')): # pragma: no cover + try: + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1) + except OSError as err: + if err.errno not in (errno.ENOPROTOOPT, errno.EINVAL): + raise + if not bound: + self.bind(sock) + sock.setblocking(0) + + # make sure that the socket can be inherited + if hasattr(sock, "set_inheritable"): + sock.set_inheritable(True) + + sock.listen(self.conf.backlog) + return sock + + def bind(self, sock): + sock.bind(self.cfg_addr) + + def close(self): + if self.sock is None: + return + + try: + self.sock.close() + except OSError as e: + self.log.info("Error while closing socket %s", str(e)) + + self.sock = None + + +class TCPSocket(BaseSocket): + + FAMILY = socket.AF_INET + + def __str__(self): + if self.conf.is_ssl: + scheme = "https" + else: + scheme = "http" + + addr = self.sock.getsockname() + return "%s://%s:%d" % (scheme, addr[0], addr[1]) + + def set_options(self, sock, bound=False): + sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + return super().set_options(sock, bound=bound) + + +class TCP6Socket(TCPSocket): + + FAMILY = socket.AF_INET6 + + def __str__(self): + (host, port, _, _) = self.sock.getsockname() + return "http://[%s]:%d" % (host, port) + + +class UnixSocket(BaseSocket): + + FAMILY = socket.AF_UNIX + + def __init__(self, addr, conf, log, fd=None): + if fd is None: + try: + st = os.stat(addr) + except OSError as e: + if e.args[0] != errno.ENOENT: + raise + else: + if stat.S_ISSOCK(st.st_mode): + os.remove(addr) + else: + raise ValueError("%r is not a socket" % addr) + super().__init__(addr, conf, log, fd=fd) + + def __str__(self): + return "unix:%s" % self.cfg_addr + + def bind(self, sock): + old_umask = os.umask(self.conf.umask) + sock.bind(self.cfg_addr) + util.chown(self.cfg_addr, self.conf.uid, self.conf.gid) + os.umask(old_umask) + + +def _sock_type(addr): + if isinstance(addr, tuple): + if util.is_ipv6(addr[0]): + sock_type = TCP6Socket + else: + sock_type = TCPSocket + elif isinstance(addr, (str, bytes)): + sock_type = UnixSocket + else: + raise TypeError("Unable to create socket from: %r" % addr) + return sock_type + + +def create_sockets(conf, log, fds=None): + """ + Create a new socket for the configured addresses or file descriptors. + + If a configured address is a tuple then a TCP socket is created. + If it is a string, a Unix socket is created. Otherwise, a TypeError is + raised. + """ + listeners = [] + + # get it only once + addr = conf.address + fdaddr = [bind for bind in addr if isinstance(bind, int)] + if fds: + fdaddr += list(fds) + laddr = [bind for bind in addr if not isinstance(bind, int)] + + # check ssl config early to raise the error on startup + # only the certfile is needed since it can contains the keyfile + if conf.certfile and not os.path.exists(conf.certfile): + raise ValueError('certfile "%s" does not exist' % conf.certfile) + + if conf.keyfile and not os.path.exists(conf.keyfile): + raise ValueError('keyfile "%s" does not exist' % conf.keyfile) + + # sockets are already bound + if fdaddr: + for fd in fdaddr: + sock = socket.fromfd(fd, socket.AF_UNIX, socket.SOCK_STREAM) + sock_name = sock.getsockname() + sock_type = _sock_type(sock_name) + listener = sock_type(sock_name, conf, log, fd=fd) + listeners.append(listener) + + return listeners + + # no sockets is bound, first initialization of gunicorn in this env. + for addr in laddr: + sock_type = _sock_type(addr) + sock = None + for i in range(5): + try: + sock = sock_type(addr, conf, log) + except OSError as e: + if e.args[0] == errno.EADDRINUSE: + log.error("Connection in use: %s", str(addr)) + if e.args[0] == errno.EADDRNOTAVAIL: + log.error("Invalid address: %s", str(addr)) + msg = "connection to {addr} failed: {error}" + log.error(msg.format(addr=str(addr), error=str(e))) + if i < 5: + log.debug("Retrying in 1 second.") + time.sleep(1) + else: + break + + if sock is None: + log.error("Can't connect to %s", str(addr)) + sys.exit(1) + + listeners.append(sock) + + return listeners + + +def close_sockets(listeners, unlink=True): + for sock in listeners: + sock_name = sock.getsockname() + sock.close() + if unlink and _sock_type(sock_name) is UnixSocket: + os.unlink(sock_name) + + +def ssl_context(conf): + def default_ssl_context_factory(): + context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH, cafile=conf.ca_certs) + context.load_cert_chain(certfile=conf.certfile, keyfile=conf.keyfile) + context.verify_mode = conf.cert_reqs + if conf.ciphers: + context.set_ciphers(conf.ciphers) + return context + + return conf.ssl_context(conf, default_ssl_context_factory) + + +def ssl_wrap_socket(sock, conf): + return ssl_context(conf).wrap_socket(sock, + server_side=True, + suppress_ragged_eofs=conf.suppress_ragged_eofs, + do_handshake_on_connect=conf.do_handshake_on_connect) diff --git a/venv/lib/python3.12/site-packages/gunicorn/systemd.py b/venv/lib/python3.12/site-packages/gunicorn/systemd.py new file mode 100644 index 0000000..9b18550 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/systemd.py @@ -0,0 +1,75 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import os +import socket + +SD_LISTEN_FDS_START = 3 + + +def listen_fds(unset_environment=True): + """ + Get the number of sockets inherited from systemd socket activation. + + :param unset_environment: clear systemd environment variables unless False + :type unset_environment: bool + :return: the number of sockets to inherit from systemd socket activation + :rtype: int + + Returns zero immediately if $LISTEN_PID is not set to the current pid. + Otherwise, returns the number of systemd activation sockets specified by + $LISTEN_FDS. + + When $LISTEN_PID matches the current pid, unsets the environment variables + unless the ``unset_environment`` flag is ``False``. + + .. note:: + Unlike the sd_listen_fds C function, this implementation does not set + the FD_CLOEXEC flag because the gunicorn arbiter never needs to do this. + + .. seealso:: + ``_ + + """ + fds = int(os.environ.get('LISTEN_FDS', 0)) + listen_pid = int(os.environ.get('LISTEN_PID', 0)) + + if listen_pid != os.getpid(): + return 0 + + if unset_environment: + os.environ.pop('LISTEN_PID', None) + os.environ.pop('LISTEN_FDS', None) + + return fds + + +def sd_notify(state, logger, unset_environment=False): + """Send a notification to systemd. state is a string; see + the man page of sd_notify (http://www.freedesktop.org/software/systemd/man/sd_notify.html) + for a description of the allowable values. + + If the unset_environment parameter is True, sd_notify() will unset + the $NOTIFY_SOCKET environment variable before returning (regardless of + whether the function call itself succeeded or not). Further calls to + sd_notify() will then fail, but the variable is no longer inherited by + child processes. + """ + + addr = os.environ.get('NOTIFY_SOCKET') + if addr is None: + # not run in a service, just a noop + return + try: + sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM | socket.SOCK_CLOEXEC) + if addr[0] == '@': + addr = '\0' + addr[1:] + sock.connect(addr) + sock.sendall(state.encode('utf-8')) + except Exception: + logger.debug("Exception while invoking sd_notify()", exc_info=True) + finally: + if unset_environment: + os.environ.pop('NOTIFY_SOCKET') + sock.close() diff --git a/venv/lib/python3.12/site-packages/gunicorn/util.py b/venv/lib/python3.12/site-packages/gunicorn/util.py new file mode 100644 index 0000000..ecd8174 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/util.py @@ -0,0 +1,653 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. +import ast +import email.utils +import errno +import fcntl +import html +import importlib +import inspect +import io +import logging +import os +import pwd +import random +import re +import socket +import sys +import textwrap +import time +import traceback +import warnings + +try: + import importlib.metadata as importlib_metadata +except (ModuleNotFoundError, ImportError): + import importlib_metadata + +from gunicorn.errors import AppImportError +from gunicorn.workers import SUPPORTED_WORKERS +import urllib.parse + +REDIRECT_TO = getattr(os, 'devnull', '/dev/null') + +# Server and Date aren't technically hop-by-hop +# headers, but they are in the purview of the +# origin server which the WSGI spec says we should +# act like. So we drop them and add our own. +# +# In the future, concatenation server header values +# might be better, but nothing else does it and +# dropping them is easier. +hop_headers = set(""" + connection keep-alive proxy-authenticate proxy-authorization + te trailers transfer-encoding upgrade + server date + """.split()) + +try: + from setproctitle import setproctitle + + def _setproctitle(title): + setproctitle("gunicorn: %s" % title) +except ImportError: + def _setproctitle(title): + pass + + +def load_entry_point(distribution, group, name): + dist_obj = importlib_metadata.distribution(distribution) + eps = [ep for ep in dist_obj.entry_points + if ep.group == group and ep.name == name] + if not eps: + raise ImportError("Entry point %r not found" % ((group, name),)) + return eps[0].load() + + +def load_class(uri, default="gunicorn.workers.sync.SyncWorker", + section="gunicorn.workers"): + if inspect.isclass(uri): + return uri + if uri.startswith("egg:"): + # uses entry points + entry_str = uri.split("egg:")[1] + try: + dist, name = entry_str.rsplit("#", 1) + except ValueError: + dist = entry_str + name = default + + try: + return load_entry_point(dist, section, name) + except Exception: + exc = traceback.format_exc() + msg = "class uri %r invalid or not found: \n\n[%s]" + raise RuntimeError(msg % (uri, exc)) + else: + components = uri.split('.') + if len(components) == 1: + while True: + if uri.startswith("#"): + uri = uri[1:] + + if uri in SUPPORTED_WORKERS: + components = SUPPORTED_WORKERS[uri].split(".") + break + + try: + return load_entry_point( + "gunicorn", section, uri + ) + except Exception: + exc = traceback.format_exc() + msg = "class uri %r invalid or not found: \n\n[%s]" + raise RuntimeError(msg % (uri, exc)) + + klass = components.pop(-1) + + try: + mod = importlib.import_module('.'.join(components)) + except Exception: + exc = traceback.format_exc() + msg = "class uri %r invalid or not found: \n\n[%s]" + raise RuntimeError(msg % (uri, exc)) + return getattr(mod, klass) + + +positionals = ( + inspect.Parameter.POSITIONAL_ONLY, + inspect.Parameter.POSITIONAL_OR_KEYWORD, +) + + +def get_arity(f): + sig = inspect.signature(f) + arity = 0 + + for param in sig.parameters.values(): + if param.kind in positionals: + arity += 1 + + return arity + + +def get_username(uid): + """ get the username for a user id""" + return pwd.getpwuid(uid).pw_name + + +def set_owner_process(uid, gid, initgroups=False): + """ set user and group of workers processes """ + + if gid: + if uid: + try: + username = get_username(uid) + except KeyError: + initgroups = False + + # versions of python < 2.6.2 don't manage unsigned int for + # groups like on osx or fedora + gid = abs(gid) & 0x7FFFFFFF + + if initgroups: + os.initgroups(username, gid) + elif gid != os.getgid(): + os.setgid(gid) + + if uid and uid != os.getuid(): + os.setuid(uid) + + +def chown(path, uid, gid): + os.chown(path, uid, gid) + + +if sys.platform.startswith("win"): + def _waitfor(func, pathname, waitall=False): + # Perform the operation + func(pathname) + # Now setup the wait loop + if waitall: + dirname = pathname + else: + dirname, name = os.path.split(pathname) + dirname = dirname or '.' + # Check for `pathname` to be removed from the filesystem. + # The exponential backoff of the timeout amounts to a total + # of ~1 second after which the deletion is probably an error + # anyway. + # Testing on a i7@4.3GHz shows that usually only 1 iteration is + # required when contention occurs. + timeout = 0.001 + while timeout < 1.0: + # Note we are only testing for the existence of the file(s) in + # the contents of the directory regardless of any security or + # access rights. If we have made it this far, we have sufficient + # permissions to do that much using Python's equivalent of the + # Windows API FindFirstFile. + # Other Windows APIs can fail or give incorrect results when + # dealing with files that are pending deletion. + L = os.listdir(dirname) + if not L if waitall else name in L: + return + # Increase the timeout and try again + time.sleep(timeout) + timeout *= 2 + warnings.warn('tests may fail, delete still pending for ' + pathname, + RuntimeWarning, stacklevel=4) + + def _unlink(filename): + _waitfor(os.unlink, filename) +else: + _unlink = os.unlink + + +def unlink(filename): + try: + _unlink(filename) + except OSError as error: + # The filename need not exist. + if error.errno not in (errno.ENOENT, errno.ENOTDIR): + raise + + +def is_ipv6(addr): + try: + socket.inet_pton(socket.AF_INET6, addr) + except OSError: # not a valid address + return False + except ValueError: # ipv6 not supported on this platform + return False + return True + + +def parse_address(netloc, default_port='8000'): + if re.match(r'unix:(//)?', netloc): + return re.split(r'unix:(//)?', netloc)[-1] + + if netloc.startswith("fd://"): + fd = netloc[5:] + try: + return int(fd) + except ValueError: + raise RuntimeError("%r is not a valid file descriptor." % fd) from None + + if netloc.startswith("tcp://"): + netloc = netloc.split("tcp://")[1] + host, port = netloc, default_port + + if '[' in netloc and ']' in netloc: + host = netloc.split(']')[0][1:] + port = (netloc.split(']:') + [default_port])[1] + elif ':' in netloc: + host, port = (netloc.split(':') + [default_port])[:2] + elif netloc == "": + host, port = "0.0.0.0", default_port + + try: + port = int(port) + except ValueError: + raise RuntimeError("%r is not a valid port number." % port) + + return host.lower(), port + + +def close_on_exec(fd): + flags = fcntl.fcntl(fd, fcntl.F_GETFD) + flags |= fcntl.FD_CLOEXEC + fcntl.fcntl(fd, fcntl.F_SETFD, flags) + + +def set_non_blocking(fd): + flags = fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK + fcntl.fcntl(fd, fcntl.F_SETFL, flags) + + +def close(sock): + try: + sock.close() + except OSError: + pass + + +try: + from os import closerange +except ImportError: + def closerange(fd_low, fd_high): + # Iterate through and close all file descriptors. + for fd in range(fd_low, fd_high): + try: + os.close(fd) + except OSError: # ERROR, fd wasn't open to begin with (ignored) + pass + + +def write_chunk(sock, data): + if isinstance(data, str): + data = data.encode('utf-8') + chunk_size = "%X\r\n" % len(data) + chunk = b"".join([chunk_size.encode('utf-8'), data, b"\r\n"]) + sock.sendall(chunk) + + +def write(sock, data, chunked=False): + if chunked: + return write_chunk(sock, data) + sock.sendall(data) + + +def write_nonblock(sock, data, chunked=False): + timeout = sock.gettimeout() + if timeout != 0.0: + try: + sock.setblocking(0) + return write(sock, data, chunked) + finally: + sock.setblocking(1) + else: + return write(sock, data, chunked) + + +def write_error(sock, status_int, reason, mesg): + html_error = textwrap.dedent("""\ + + + %(reason)s + + +

%(reason)s

+ %(mesg)s + + + """) % {"reason": reason, "mesg": html.escape(mesg)} + + http = textwrap.dedent("""\ + HTTP/1.1 %s %s\r + Connection: close\r + Content-Type: text/html\r + Content-Length: %d\r + \r + %s""") % (str(status_int), reason, len(html_error), html_error) + write_nonblock(sock, http.encode('latin1')) + + +def _called_with_wrong_args(f): + """Check whether calling a function raised a ``TypeError`` because + the call failed or because something in the function raised the + error. + + :param f: The function that was called. + :return: ``True`` if the call failed. + """ + tb = sys.exc_info()[2] + + try: + while tb is not None: + if tb.tb_frame.f_code is f.__code__: + # In the function, it was called successfully. + return False + + tb = tb.tb_next + + # Didn't reach the function. + return True + finally: + # Delete tb to break a circular reference in Python 2. + # https://docs.python.org/2/library/sys.html#sys.exc_info + del tb + + +def import_app(module): + parts = module.split(":", 1) + if len(parts) == 1: + obj = "application" + else: + module, obj = parts[0], parts[1] + + try: + mod = importlib.import_module(module) + except ImportError: + if module.endswith(".py") and os.path.exists(module): + msg = "Failed to find application, did you mean '%s:%s'?" + raise ImportError(msg % (module.rsplit(".", 1)[0], obj)) + raise + + # Parse obj as a single expression to determine if it's a valid + # attribute name or function call. + try: + expression = ast.parse(obj, mode="eval").body + except SyntaxError: + raise AppImportError( + "Failed to parse %r as an attribute name or function call." % obj + ) + + if isinstance(expression, ast.Name): + name = expression.id + args = kwargs = None + elif isinstance(expression, ast.Call): + # Ensure the function name is an attribute name only. + if not isinstance(expression.func, ast.Name): + raise AppImportError("Function reference must be a simple name: %r" % obj) + + name = expression.func.id + + # Parse the positional and keyword arguments as literals. + try: + args = [ast.literal_eval(arg) for arg in expression.args] + kwargs = {kw.arg: ast.literal_eval(kw.value) for kw in expression.keywords} + except ValueError: + # literal_eval gives cryptic error messages, show a generic + # message with the full expression instead. + raise AppImportError( + "Failed to parse arguments as literal values: %r" % obj + ) + else: + raise AppImportError( + "Failed to parse %r as an attribute name or function call." % obj + ) + + is_debug = logging.root.level == logging.DEBUG + try: + app = getattr(mod, name) + except AttributeError: + if is_debug: + traceback.print_exception(*sys.exc_info()) + raise AppImportError("Failed to find attribute %r in %r." % (name, module)) + + # If the expression was a function call, call the retrieved object + # to get the real application. + if args is not None: + try: + app = app(*args, **kwargs) + except TypeError as e: + # If the TypeError was due to bad arguments to the factory + # function, show Python's nice error message without a + # traceback. + if _called_with_wrong_args(app): + raise AppImportError( + "".join(traceback.format_exception_only(TypeError, e)).strip() + ) + + # Otherwise it was raised from within the function, show the + # full traceback. + raise + + if app is None: + raise AppImportError("Failed to find application object: %r" % obj) + + if not callable(app): + raise AppImportError("Application object must be callable.") + return app + + +def getcwd(): + # get current path, try to use PWD env first + try: + a = os.stat(os.environ['PWD']) + b = os.stat(os.getcwd()) + if a.st_ino == b.st_ino and a.st_dev == b.st_dev: + cwd = os.environ['PWD'] + else: + cwd = os.getcwd() + except Exception: + cwd = os.getcwd() + return cwd + + +def http_date(timestamp=None): + """Return the current date and time formatted for a message header.""" + if timestamp is None: + timestamp = time.time() + s = email.utils.formatdate(timestamp, localtime=False, usegmt=True) + return s + + +def is_hoppish(header): + return header.lower().strip() in hop_headers + + +def daemonize(enable_stdio_inheritance=False): + """\ + Standard daemonization of a process. + http://www.faqs.org/faqs/unix-faq/programmer/faq/ section 1.7 + """ + if 'GUNICORN_FD' not in os.environ: + if os.fork(): + os._exit(0) + os.setsid() + + if os.fork(): + os._exit(0) + + os.umask(0o22) + + # In both the following any file descriptors above stdin + # stdout and stderr are left untouched. The inheritance + # option simply allows one to have output go to a file + # specified by way of shell redirection when not wanting + # to use --error-log option. + + if not enable_stdio_inheritance: + # Remap all of stdin, stdout and stderr on to + # /dev/null. The expectation is that users have + # specified the --error-log option. + + closerange(0, 3) + + fd_null = os.open(REDIRECT_TO, os.O_RDWR) + # PEP 446, make fd for /dev/null inheritable + os.set_inheritable(fd_null, True) + + # expect fd_null to be always 0 here, but in-case not ... + if fd_null != 0: + os.dup2(fd_null, 0) + + os.dup2(fd_null, 1) + os.dup2(fd_null, 2) + + else: + fd_null = os.open(REDIRECT_TO, os.O_RDWR) + + # Always redirect stdin to /dev/null as we would + # never expect to need to read interactive input. + + if fd_null != 0: + os.close(0) + os.dup2(fd_null, 0) + + # If stdout and stderr are still connected to + # their original file descriptors we check to see + # if they are associated with terminal devices. + # When they are we map them to /dev/null so that + # are still detached from any controlling terminal + # properly. If not we preserve them as they are. + # + # If stdin and stdout were not hooked up to the + # original file descriptors, then all bets are + # off and all we can really do is leave them as + # they were. + # + # This will allow 'gunicorn ... > output.log 2>&1' + # to work with stdout/stderr going to the file + # as expected. + # + # Note that if using --error-log option, the log + # file specified through shell redirection will + # only be used up until the log file specified + # by the option takes over. As it replaces stdout + # and stderr at the file descriptor level, then + # anything using stdout or stderr, including having + # cached a reference to them, will still work. + + def redirect(stream, fd_expect): + try: + fd = stream.fileno() + if fd == fd_expect and stream.isatty(): + os.close(fd) + os.dup2(fd_null, fd) + except AttributeError: + pass + + redirect(sys.stdout, 1) + redirect(sys.stderr, 2) + + +def seed(): + try: + random.seed(os.urandom(64)) + except NotImplementedError: + random.seed('%s.%s' % (time.time(), os.getpid())) + + +def check_is_writable(path): + try: + with open(path, 'a') as f: + f.close() + except OSError as e: + raise RuntimeError("Error: '%s' isn't writable [%r]" % (path, e)) + + +def to_bytestring(value, encoding="utf8"): + """Converts a string argument to a byte string""" + if isinstance(value, bytes): + return value + if not isinstance(value, str): + raise TypeError('%r is not a string' % value) + + return value.encode(encoding) + + +def has_fileno(obj): + if not hasattr(obj, "fileno"): + return False + + # check BytesIO case and maybe others + try: + obj.fileno() + except (AttributeError, OSError, io.UnsupportedOperation): + return False + + return True + + +def warn(msg): + print("!!!", file=sys.stderr) + + lines = msg.splitlines() + for i, line in enumerate(lines): + if i == 0: + line = "WARNING: %s" % line + print("!!! %s" % line, file=sys.stderr) + + print("!!!\n", file=sys.stderr) + sys.stderr.flush() + + +def make_fail_app(msg): + msg = to_bytestring(msg) + + def app(environ, start_response): + start_response("500 Internal Server Error", [ + ("Content-Type", "text/plain"), + ("Content-Length", str(len(msg))) + ]) + return [msg] + + return app + + +def split_request_uri(uri): + if uri.startswith("//"): + # When the path starts with //, urlsplit considers it as a + # relative uri while the RFC says we should consider it as abs_path + # http://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html#sec5.1.2 + # We use temporary dot prefix to workaround this behaviour + parts = urllib.parse.urlsplit("." + uri) + return parts._replace(path=parts.path[1:]) + + return urllib.parse.urlsplit(uri) + + +# From six.reraise +def reraise(tp, value, tb=None): + try: + if value is None: + value = tp() + if value.__traceback__ is not tb: + raise value.with_traceback(tb) + raise value + finally: + value = None + tb = None + + +def bytes_to_str(b): + if isinstance(b, str): + return b + return str(b, 'latin1') + + +def unquote_to_wsgi_str(string): + return urllib.parse.unquote_to_bytes(string).decode('latin-1') diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/__init__.py b/venv/lib/python3.12/site-packages/gunicorn/workers/__init__.py new file mode 100644 index 0000000..3da5f85 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/__init__.py @@ -0,0 +1,14 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +# supported gunicorn workers. +SUPPORTED_WORKERS = { + "sync": "gunicorn.workers.sync.SyncWorker", + "eventlet": "gunicorn.workers.geventlet.EventletWorker", + "gevent": "gunicorn.workers.ggevent.GeventWorker", + "gevent_wsgi": "gunicorn.workers.ggevent.GeventPyWSGIWorker", + "gevent_pywsgi": "gunicorn.workers.ggevent.GeventPyWSGIWorker", + "tornado": "gunicorn.workers.gtornado.TornadoWorker", + "gthread": "gunicorn.workers.gthread.ThreadWorker", +} diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/__pycache__/__init__.cpython-312.pyc b/venv/lib/python3.12/site-packages/gunicorn/workers/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000..1366b7a Binary files /dev/null and b/venv/lib/python3.12/site-packages/gunicorn/workers/__pycache__/__init__.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/__pycache__/base.cpython-312.pyc b/venv/lib/python3.12/site-packages/gunicorn/workers/__pycache__/base.cpython-312.pyc new file mode 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gunicorn released under the MIT license. +# See the NOTICE for more information. + +import io +import os +import signal +import sys +import time +import traceback +from datetime import datetime +from random import randint +from ssl import SSLError + +from gunicorn import util +from gunicorn.http.errors import ( + ForbiddenProxyRequest, InvalidHeader, + InvalidHeaderName, InvalidHTTPVersion, + InvalidProxyLine, InvalidRequestLine, + InvalidRequestMethod, InvalidSchemeHeaders, + LimitRequestHeaders, LimitRequestLine, + UnsupportedTransferCoding, + ConfigurationProblem, ObsoleteFolding, +) +from gunicorn.http.wsgi import Response, default_environ +from gunicorn.reloader import reloader_engines +from gunicorn.workers.workertmp import WorkerTmp + + +class Worker: + + SIGNALS = [getattr(signal, "SIG%s" % x) for x in ( + "ABRT HUP QUIT INT TERM USR1 USR2 WINCH CHLD".split() + )] + + PIPE = [] + + def __init__(self, age, ppid, sockets, app, timeout, cfg, log): + """\ + This is called pre-fork so it shouldn't do anything to the + current process. If there's a need to make process wide + changes you'll want to do that in ``self.init_process()``. + """ + self.age = age + self.pid = "[booting]" + self.ppid = ppid + self.sockets = sockets + self.app = app + self.timeout = timeout + self.cfg = cfg + self.booted = False + self.aborted = False + self.reloader = None + + self.nr = 0 + + if cfg.max_requests > 0: + jitter = randint(0, cfg.max_requests_jitter) + self.max_requests = cfg.max_requests + jitter + else: + self.max_requests = sys.maxsize + + self.alive = True + self.log = log + self.tmp = WorkerTmp(cfg) + + def __str__(self): + return "" % self.pid + + def notify(self): + """\ + Your worker subclass must arrange to have this method called + once every ``self.timeout`` seconds. If you fail in accomplishing + this task, the master process will murder your workers. + """ + self.tmp.notify() + + def run(self): + """\ + This is the mainloop of a worker process. You should override + this method in a subclass to provide the intended behaviour + for your particular evil schemes. + """ + raise NotImplementedError() + + def init_process(self): + """\ + If you override this method in a subclass, the last statement + in the function should be to call this method with + super().init_process() so that the ``run()`` loop is initiated. + """ + + # set environment' variables + if self.cfg.env: + for k, v in self.cfg.env.items(): + os.environ[k] = v + + util.set_owner_process(self.cfg.uid, self.cfg.gid, + initgroups=self.cfg.initgroups) + + # Reseed the random number generator + util.seed() + + # For waking ourselves up + self.PIPE = os.pipe() + for p in self.PIPE: + util.set_non_blocking(p) + util.close_on_exec(p) + + # Prevent fd inheritance + for s in self.sockets: + util.close_on_exec(s) + util.close_on_exec(self.tmp.fileno()) + + self.wait_fds = self.sockets + [self.PIPE[0]] + + self.log.close_on_exec() + + self.init_signals() + + # start the reloader + if self.cfg.reload: + def changed(fname): + self.log.info("Worker reloading: %s modified", fname) + self.alive = False + os.write(self.PIPE[1], b"1") + self.cfg.worker_int(self) + time.sleep(0.1) + sys.exit(0) + + reloader_cls = reloader_engines[self.cfg.reload_engine] + self.reloader = reloader_cls(extra_files=self.cfg.reload_extra_files, + callback=changed) + + self.load_wsgi() + if self.reloader: + self.reloader.start() + + self.cfg.post_worker_init(self) + + # Enter main run loop + self.booted = True + self.run() + + def load_wsgi(self): + try: + self.wsgi = self.app.wsgi() + except SyntaxError as e: + if not self.cfg.reload: + raise + + self.log.exception(e) + + # fix from PR #1228 + # storing the traceback into exc_tb will create a circular reference. + # per https://docs.python.org/2/library/sys.html#sys.exc_info warning, + # delete the traceback after use. + try: + _, exc_val, exc_tb = sys.exc_info() + self.reloader.add_extra_file(exc_val.filename) + + tb_string = io.StringIO() + traceback.print_tb(exc_tb, file=tb_string) + self.wsgi = util.make_fail_app(tb_string.getvalue()) + finally: + del exc_tb + + def init_signals(self): + # reset signaling + for s in self.SIGNALS: + signal.signal(s, signal.SIG_DFL) + # init new signaling + signal.signal(signal.SIGQUIT, self.handle_quit) + signal.signal(signal.SIGTERM, self.handle_exit) + signal.signal(signal.SIGINT, self.handle_quit) + signal.signal(signal.SIGWINCH, self.handle_winch) + signal.signal(signal.SIGUSR1, self.handle_usr1) + signal.signal(signal.SIGABRT, self.handle_abort) + + # Don't let SIGTERM and SIGUSR1 disturb active requests + # by interrupting system calls + signal.siginterrupt(signal.SIGTERM, False) + signal.siginterrupt(signal.SIGUSR1, False) + + if hasattr(signal, 'set_wakeup_fd'): + signal.set_wakeup_fd(self.PIPE[1]) + + def handle_usr1(self, sig, frame): + self.log.reopen_files() + + def handle_exit(self, sig, frame): + self.alive = False + + def handle_quit(self, sig, frame): + self.alive = False + # worker_int callback + self.cfg.worker_int(self) + time.sleep(0.1) + sys.exit(0) + + def handle_abort(self, sig, frame): + self.alive = False + self.cfg.worker_abort(self) + sys.exit(1) + + def handle_error(self, req, client, addr, exc): + request_start = datetime.now() + addr = addr or ('', -1) # unix socket case + if isinstance(exc, ( + InvalidRequestLine, InvalidRequestMethod, + InvalidHTTPVersion, InvalidHeader, InvalidHeaderName, + LimitRequestLine, LimitRequestHeaders, + InvalidProxyLine, ForbiddenProxyRequest, + InvalidSchemeHeaders, UnsupportedTransferCoding, + ConfigurationProblem, ObsoleteFolding, + SSLError, + )): + + status_int = 400 + reason = "Bad Request" + + if isinstance(exc, InvalidRequestLine): + mesg = "Invalid Request Line '%s'" % str(exc) + elif isinstance(exc, InvalidRequestMethod): + mesg = "Invalid Method '%s'" % str(exc) + elif isinstance(exc, InvalidHTTPVersion): + mesg = "Invalid HTTP Version '%s'" % str(exc) + elif isinstance(exc, UnsupportedTransferCoding): + mesg = "%s" % str(exc) + status_int = 501 + elif isinstance(exc, ConfigurationProblem): + mesg = "%s" % str(exc) + status_int = 500 + elif isinstance(exc, ObsoleteFolding): + mesg = "%s" % str(exc) + elif isinstance(exc, (InvalidHeaderName, InvalidHeader,)): + mesg = "%s" % str(exc) + if not req and hasattr(exc, "req"): + req = exc.req # for access log + elif isinstance(exc, LimitRequestLine): + mesg = "%s" % str(exc) + elif isinstance(exc, LimitRequestHeaders): + reason = "Request Header Fields Too Large" + mesg = "Error parsing headers: '%s'" % str(exc) + status_int = 431 + elif isinstance(exc, InvalidProxyLine): + mesg = "'%s'" % str(exc) + elif isinstance(exc, ForbiddenProxyRequest): + reason = "Forbidden" + mesg = "Request forbidden" + status_int = 403 + elif isinstance(exc, InvalidSchemeHeaders): + mesg = "%s" % str(exc) + elif isinstance(exc, SSLError): + reason = "Forbidden" + mesg = "'%s'" % str(exc) + status_int = 403 + + msg = "Invalid request from ip={ip}: {error}" + self.log.warning(msg.format(ip=addr[0], error=str(exc))) + else: + if hasattr(req, "uri"): + self.log.exception("Error handling request %s", req.uri) + else: + self.log.exception("Error handling request (no URI read)") + status_int = 500 + reason = "Internal Server Error" + mesg = "" + + if req is not None: + request_time = datetime.now() - request_start + environ = default_environ(req, client, self.cfg) + environ['REMOTE_ADDR'] = addr[0] + environ['REMOTE_PORT'] = str(addr[1]) + resp = Response(req, client, self.cfg) + resp.status = "%s %s" % (status_int, reason) + resp.response_length = len(mesg) + self.log.access(resp, req, environ, request_time) + + try: + util.write_error(client, status_int, reason, mesg) + except Exception: + self.log.debug("Failed to send error message.") + + def handle_winch(self, sig, fname): + # Ignore SIGWINCH in worker. Fixes a crash on OpenBSD. + self.log.debug("worker: SIGWINCH ignored.") diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/base_async.py b/venv/lib/python3.12/site-packages/gunicorn/workers/base_async.py new file mode 100644 index 0000000..9466d6a --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/base_async.py @@ -0,0 +1,147 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +from datetime import datetime +import errno +import socket +import ssl +import sys + +from gunicorn import http +from gunicorn.http import wsgi +from gunicorn import util +from gunicorn.workers import base + +ALREADY_HANDLED = object() + + +class AsyncWorker(base.Worker): + + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.worker_connections = self.cfg.worker_connections + + def timeout_ctx(self): + raise NotImplementedError() + + def is_already_handled(self, respiter): + # some workers will need to overload this function to raise a StopIteration + return respiter == ALREADY_HANDLED + + def handle(self, listener, client, addr): + req = None + try: + parser = http.RequestParser(self.cfg, client, addr) + try: + listener_name = listener.getsockname() + if not self.cfg.keepalive: + req = next(parser) + self.handle_request(listener_name, req, client, addr) + else: + # keepalive loop + proxy_protocol_info = {} + while True: + req = None + with self.timeout_ctx(): + req = next(parser) + if not req: + break + if req.proxy_protocol_info: + proxy_protocol_info = req.proxy_protocol_info + else: + req.proxy_protocol_info = proxy_protocol_info + self.handle_request(listener_name, req, client, addr) + except http.errors.NoMoreData as e: + self.log.debug("Ignored premature client disconnection. %s", e) + except StopIteration as e: + self.log.debug("Closing connection. %s", e) + except ssl.SSLError: + # pass to next try-except level + util.reraise(*sys.exc_info()) + except OSError: + # pass to next try-except level + util.reraise(*sys.exc_info()) + except Exception as e: + self.handle_error(req, client, addr, e) + except ssl.SSLError as e: + if e.args[0] == ssl.SSL_ERROR_EOF: + self.log.debug("ssl connection closed") + client.close() + else: + self.log.debug("Error processing SSL request.") + self.handle_error(req, client, addr, e) + except OSError as e: + if e.errno not in (errno.EPIPE, errno.ECONNRESET, errno.ENOTCONN): + self.log.exception("Socket error processing request.") + else: + if e.errno == errno.ECONNRESET: + self.log.debug("Ignoring connection reset") + elif e.errno == errno.ENOTCONN: + self.log.debug("Ignoring socket not connected") + else: + self.log.debug("Ignoring EPIPE") + except BaseException as e: + self.handle_error(req, client, addr, e) + finally: + util.close(client) + + def handle_request(self, listener_name, req, sock, addr): + request_start = datetime.now() + environ = {} + resp = None + try: + self.cfg.pre_request(self, req) + resp, environ = wsgi.create(req, sock, addr, + listener_name, self.cfg) + environ["wsgi.multithread"] = True + self.nr += 1 + if self.nr >= self.max_requests: + if self.alive: + self.log.info("Autorestarting worker after current request.") + self.alive = False + + if not self.alive or not self.cfg.keepalive: + resp.force_close() + + respiter = self.wsgi(environ, resp.start_response) + if self.is_already_handled(respiter): + return False + try: + if isinstance(respiter, environ['wsgi.file_wrapper']): + resp.write_file(respiter) + else: + for item in respiter: + resp.write(item) + resp.close() + finally: + request_time = datetime.now() - request_start + self.log.access(resp, req, environ, request_time) + if hasattr(respiter, "close"): + respiter.close() + if resp.should_close(): + raise StopIteration() + except StopIteration: + raise + except OSError: + # If the original exception was a socket.error we delegate + # handling it to the caller (where handle() might ignore it) + util.reraise(*sys.exc_info()) + except Exception: + if resp and resp.headers_sent: + # If the requests have already been sent, we should close the + # connection to indicate the error. + self.log.exception("Error handling request") + try: + sock.shutdown(socket.SHUT_RDWR) + sock.close() + except OSError: + pass + raise StopIteration() + raise + finally: + try: + self.cfg.post_request(self, req, environ, resp) + except Exception: + self.log.exception("Exception in post_request hook") + return True diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/geventlet.py b/venv/lib/python3.12/site-packages/gunicorn/workers/geventlet.py new file mode 100644 index 0000000..087eb61 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/geventlet.py @@ -0,0 +1,186 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +from functools import partial +import sys + +try: + import eventlet +except ImportError: + raise RuntimeError("eventlet worker requires eventlet 0.24.1 or higher") +else: + from packaging.version import parse as parse_version + if parse_version(eventlet.__version__) < parse_version('0.24.1'): + raise RuntimeError("eventlet worker requires eventlet 0.24.1 or higher") + +from eventlet import hubs, greenthread +from eventlet.greenio import GreenSocket +import eventlet.wsgi +import greenlet + +from gunicorn.workers.base_async import AsyncWorker +from gunicorn.sock import ssl_wrap_socket + +# ALREADY_HANDLED is removed in 0.30.3+ now it's `WSGI_LOCAL.already_handled: bool` +# https://github.com/eventlet/eventlet/pull/544 +EVENTLET_WSGI_LOCAL = getattr(eventlet.wsgi, "WSGI_LOCAL", None) +EVENTLET_ALREADY_HANDLED = getattr(eventlet.wsgi, "ALREADY_HANDLED", None) + + +def _eventlet_socket_sendfile(self, file, offset=0, count=None): + # Based on the implementation in gevent which in turn is slightly + # modified from the standard library implementation. + if self.gettimeout() == 0: + raise ValueError("non-blocking sockets are not supported") + if offset: + file.seek(offset) + blocksize = min(count, 8192) if count else 8192 + total_sent = 0 + # localize variable access to minimize overhead + file_read = file.read + sock_send = self.send + try: + while True: + if count: + blocksize = min(count - total_sent, blocksize) + if blocksize <= 0: + break + data = memoryview(file_read(blocksize)) + if not data: + break # EOF + while True: + try: + sent = sock_send(data) + except BlockingIOError: + continue + else: + total_sent += sent + if sent < len(data): + data = data[sent:] + else: + break + return total_sent + finally: + if total_sent > 0 and hasattr(file, 'seek'): + file.seek(offset + total_sent) + + +def _eventlet_serve(sock, handle, concurrency): + """ + Serve requests forever. + + This code is nearly identical to ``eventlet.convenience.serve`` except + that it attempts to join the pool at the end, which allows for gunicorn + graceful shutdowns. + """ + pool = eventlet.greenpool.GreenPool(concurrency) + server_gt = eventlet.greenthread.getcurrent() + + while True: + try: + conn, addr = sock.accept() + gt = pool.spawn(handle, conn, addr) + gt.link(_eventlet_stop, server_gt, conn) + conn, addr, gt = None, None, None + except eventlet.StopServe: + sock.close() + pool.waitall() + return + + +def _eventlet_stop(client, server, conn): + """ + Stop a greenlet handling a request and close its connection. + + This code is lifted from eventlet so as not to depend on undocumented + functions in the library. + """ + try: + try: + client.wait() + finally: + conn.close() + except greenlet.GreenletExit: + pass + except Exception: + greenthread.kill(server, *sys.exc_info()) + + +def patch_sendfile(): + # As of eventlet 0.25.1, GreenSocket.sendfile doesn't exist, + # meaning the native implementations of socket.sendfile will be used. + # If os.sendfile exists, it will attempt to use that, failing explicitly + # if the socket is in non-blocking mode, which the underlying + # socket object /is/. Even the regular _sendfile_use_send will + # fail in that way; plus, it would use the underlying socket.send which isn't + # properly cooperative. So we have to monkey-patch a working socket.sendfile() + # into GreenSocket; in this method, `self.send` will be the GreenSocket's + # send method which is properly cooperative. + if not hasattr(GreenSocket, 'sendfile'): + GreenSocket.sendfile = _eventlet_socket_sendfile + + +class EventletWorker(AsyncWorker): + + def patch(self): + hubs.use_hub() + eventlet.monkey_patch() + patch_sendfile() + + def is_already_handled(self, respiter): + # eventlet >= 0.30.3 + if getattr(EVENTLET_WSGI_LOCAL, "already_handled", None): + raise StopIteration() + # eventlet < 0.30.3 + if respiter == EVENTLET_ALREADY_HANDLED: + raise StopIteration() + return super().is_already_handled(respiter) + + def init_process(self): + self.patch() + super().init_process() + + def handle_quit(self, sig, frame): + eventlet.spawn(super().handle_quit, sig, frame) + + def handle_usr1(self, sig, frame): + eventlet.spawn(super().handle_usr1, sig, frame) + + def timeout_ctx(self): + return eventlet.Timeout(self.cfg.keepalive or None, False) + + def handle(self, listener, client, addr): + if self.cfg.is_ssl: + client = ssl_wrap_socket(client, self.cfg) + super().handle(listener, client, addr) + + def run(self): + acceptors = [] + for sock in self.sockets: + gsock = GreenSocket(sock) + gsock.setblocking(1) + hfun = partial(self.handle, gsock) + acceptor = eventlet.spawn(_eventlet_serve, gsock, hfun, + self.worker_connections) + + acceptors.append(acceptor) + eventlet.sleep(0.0) + + while self.alive: + self.notify() + eventlet.sleep(1.0) + + self.notify() + t = None + try: + with eventlet.Timeout(self.cfg.graceful_timeout) as t: + for a in acceptors: + a.kill(eventlet.StopServe()) + for a in acceptors: + a.wait() + except eventlet.Timeout as te: + if te != t: + raise + for a in acceptors: + a.kill() diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/ggevent.py b/venv/lib/python3.12/site-packages/gunicorn/workers/ggevent.py new file mode 100644 index 0000000..b9b9b44 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/ggevent.py @@ -0,0 +1,193 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import os +import sys +from datetime import datetime +from functools import partial +import time + +try: + import gevent +except ImportError: + raise RuntimeError("gevent worker requires gevent 1.4 or higher") +else: + from packaging.version import parse as parse_version + if parse_version(gevent.__version__) < parse_version('1.4'): + raise RuntimeError("gevent worker requires gevent 1.4 or higher") + +from gevent.pool import Pool +from gevent.server import StreamServer +from gevent import hub, monkey, socket, pywsgi + +import gunicorn +from gunicorn.http.wsgi import base_environ +from gunicorn.sock import ssl_context +from gunicorn.workers.base_async import AsyncWorker + +VERSION = "gevent/%s gunicorn/%s" % (gevent.__version__, gunicorn.__version__) + + +class GeventWorker(AsyncWorker): + + server_class = None + wsgi_handler = None + + def patch(self): + monkey.patch_all() + + # patch sockets + sockets = [] + for s in self.sockets: + sockets.append(socket.socket(s.FAMILY, socket.SOCK_STREAM, + fileno=s.sock.fileno())) + self.sockets = sockets + + def notify(self): + super().notify() + if self.ppid != os.getppid(): + self.log.info("Parent changed, shutting down: %s", self) + sys.exit(0) + + def timeout_ctx(self): + return gevent.Timeout(self.cfg.keepalive, False) + + def run(self): + servers = [] + ssl_args = {} + + if self.cfg.is_ssl: + ssl_args = {"ssl_context": ssl_context(self.cfg)} + + for s in self.sockets: + s.setblocking(1) + pool = Pool(self.worker_connections) + if self.server_class is not None: + environ = base_environ(self.cfg) + environ.update({ + "wsgi.multithread": True, + "SERVER_SOFTWARE": VERSION, + }) + server = self.server_class( + s, application=self.wsgi, spawn=pool, log=self.log, + handler_class=self.wsgi_handler, environ=environ, + **ssl_args) + else: + hfun = partial(self.handle, s) + server = StreamServer(s, handle=hfun, spawn=pool, **ssl_args) + if self.cfg.workers > 1: + server.max_accept = 1 + + server.start() + servers.append(server) + + while self.alive: + self.notify() + gevent.sleep(1.0) + + try: + # Stop accepting requests + for server in servers: + if hasattr(server, 'close'): # gevent 1.0 + server.close() + if hasattr(server, 'kill'): # gevent < 1.0 + server.kill() + + # Handle current requests until graceful_timeout + ts = time.time() + while time.time() - ts <= self.cfg.graceful_timeout: + accepting = 0 + for server in servers: + if server.pool.free_count() != server.pool.size: + accepting += 1 + + # if no server is accepting a connection, we can exit + if not accepting: + return + + self.notify() + gevent.sleep(1.0) + + # Force kill all active the handlers + self.log.warning("Worker graceful timeout (pid:%s)", self.pid) + for server in servers: + server.stop(timeout=1) + except Exception: + pass + + def handle(self, listener, client, addr): + # Connected socket timeout defaults to socket.getdefaulttimeout(). + # This forces to blocking mode. + client.setblocking(1) + super().handle(listener, client, addr) + + def handle_request(self, listener_name, req, sock, addr): + try: + super().handle_request(listener_name, req, sock, addr) + except gevent.GreenletExit: + pass + except SystemExit: + pass + + def handle_quit(self, sig, frame): + # Move this out of the signal handler so we can use + # blocking calls. See #1126 + gevent.spawn(super().handle_quit, sig, frame) + + def handle_usr1(self, sig, frame): + # Make the gevent workers handle the usr1 signal + # by deferring to a new greenlet. See #1645 + gevent.spawn(super().handle_usr1, sig, frame) + + def init_process(self): + self.patch() + hub.reinit() + super().init_process() + + +class GeventResponse: + + status = None + headers = None + sent = None + + def __init__(self, status, headers, clength): + self.status = status + self.headers = headers + self.sent = clength + + +class PyWSGIHandler(pywsgi.WSGIHandler): + + def log_request(self): + start = datetime.fromtimestamp(self.time_start) + finish = datetime.fromtimestamp(self.time_finish) + response_time = finish - start + resp_headers = getattr(self, 'response_headers', {}) + + # Status is expected to be a string but is encoded to bytes in gevent for PY3 + # Except when it isn't because gevent uses hardcoded strings for network errors. + status = self.status.decode() if isinstance(self.status, bytes) else self.status + resp = GeventResponse(status, resp_headers, self.response_length) + if hasattr(self, 'headers'): + req_headers = self.headers.items() + else: + req_headers = [] + self.server.log.access(resp, req_headers, self.environ, response_time) + + def get_environ(self): + env = super().get_environ() + env['gunicorn.sock'] = self.socket + env['RAW_URI'] = self.path + return env + + +class PyWSGIServer(pywsgi.WSGIServer): + pass + + +class GeventPyWSGIWorker(GeventWorker): + "The Gevent StreamServer based workers." + server_class = PyWSGIServer + wsgi_handler = PyWSGIHandler diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/gthread.py b/venv/lib/python3.12/site-packages/gunicorn/workers/gthread.py new file mode 100644 index 0000000..7a23228 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/gthread.py @@ -0,0 +1,372 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +# design: +# A threaded worker accepts connections in the main loop, accepted +# connections are added to the thread pool as a connection job. +# Keepalive connections are put back in the loop waiting for an event. +# If no event happen after the keep alive timeout, the connection is +# closed. +# pylint: disable=no-else-break + +from concurrent import futures +import errno +import os +import selectors +import socket +import ssl +import sys +import time +from collections import deque +from datetime import datetime +from functools import partial +from threading import RLock + +from . import base +from .. import http +from .. import util +from .. import sock +from ..http import wsgi + + +class TConn: + + def __init__(self, cfg, sock, client, server): + self.cfg = cfg + self.sock = sock + self.client = client + self.server = server + + self.timeout = None + self.parser = None + self.initialized = False + + # set the socket to non blocking + self.sock.setblocking(False) + + def init(self): + self.initialized = True + self.sock.setblocking(True) + + if self.parser is None: + # wrap the socket if needed + if self.cfg.is_ssl: + self.sock = sock.ssl_wrap_socket(self.sock, self.cfg) + + # initialize the parser + self.parser = http.RequestParser(self.cfg, self.sock, self.client) + + def set_timeout(self): + # set the timeout + self.timeout = time.time() + self.cfg.keepalive + + def close(self): + util.close(self.sock) + + +class ThreadWorker(base.Worker): + + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.worker_connections = self.cfg.worker_connections + self.max_keepalived = self.cfg.worker_connections - self.cfg.threads + # initialise the pool + self.tpool = None + self.poller = None + self._lock = None + self.futures = deque() + self._keep = deque() + self.nr_conns = 0 + + @classmethod + def check_config(cls, cfg, log): + max_keepalived = cfg.worker_connections - cfg.threads + + if max_keepalived <= 0 and cfg.keepalive: + log.warning("No keepalived connections can be handled. " + + "Check the number of worker connections and threads.") + + def init_process(self): + self.tpool = self.get_thread_pool() + self.poller = selectors.DefaultSelector() + self._lock = RLock() + super().init_process() + + def get_thread_pool(self): + """Override this method to customize how the thread pool is created""" + return futures.ThreadPoolExecutor(max_workers=self.cfg.threads) + + def handle_quit(self, sig, frame): + self.alive = False + # worker_int callback + self.cfg.worker_int(self) + self.tpool.shutdown(False) + time.sleep(0.1) + sys.exit(0) + + def _wrap_future(self, fs, conn): + fs.conn = conn + self.futures.append(fs) + fs.add_done_callback(self.finish_request) + + def enqueue_req(self, conn): + conn.init() + # submit the connection to a worker + fs = self.tpool.submit(self.handle, conn) + self._wrap_future(fs, conn) + + def accept(self, server, listener): + try: + sock, client = listener.accept() + # initialize the connection object + conn = TConn(self.cfg, sock, client, server) + + self.nr_conns += 1 + # wait until socket is readable + with self._lock: + self.poller.register(conn.sock, selectors.EVENT_READ, + partial(self.on_client_socket_readable, conn)) + except OSError as e: + if e.errno not in (errno.EAGAIN, errno.ECONNABORTED, + errno.EWOULDBLOCK): + raise + + def on_client_socket_readable(self, conn, client): + with self._lock: + # unregister the client from the poller + self.poller.unregister(client) + + if conn.initialized: + # remove the connection from keepalive + try: + self._keep.remove(conn) + except ValueError: + # race condition + return + + # submit the connection to a worker + self.enqueue_req(conn) + + def murder_keepalived(self): + now = time.time() + while True: + with self._lock: + try: + # remove the connection from the queue + conn = self._keep.popleft() + except IndexError: + break + + delta = conn.timeout - now + if delta > 0: + # add the connection back to the queue + with self._lock: + self._keep.appendleft(conn) + break + else: + self.nr_conns -= 1 + # remove the socket from the poller + with self._lock: + try: + self.poller.unregister(conn.sock) + except OSError as e: + if e.errno != errno.EBADF: + raise + except KeyError: + # already removed by the system, continue + pass + except ValueError: + # already removed by the system continue + pass + + # close the socket + conn.close() + + def is_parent_alive(self): + # If our parent changed then we shut down. + if self.ppid != os.getppid(): + self.log.info("Parent changed, shutting down: %s", self) + return False + return True + + def run(self): + # init listeners, add them to the event loop + for sock in self.sockets: + sock.setblocking(False) + # a race condition during graceful shutdown may make the listener + # name unavailable in the request handler so capture it once here + server = sock.getsockname() + acceptor = partial(self.accept, server) + self.poller.register(sock, selectors.EVENT_READ, acceptor) + + while self.alive: + # notify the arbiter we are alive + self.notify() + + # can we accept more connections? + if self.nr_conns < self.worker_connections: + # wait for an event + events = self.poller.select(1.0) + for key, _ in events: + callback = key.data + callback(key.fileobj) + + # check (but do not wait) for finished requests + result = futures.wait(self.futures, timeout=0, + return_when=futures.FIRST_COMPLETED) + else: + # wait for a request to finish + result = futures.wait(self.futures, timeout=1.0, + return_when=futures.FIRST_COMPLETED) + + # clean up finished requests + for fut in result.done: + self.futures.remove(fut) + + if not self.is_parent_alive(): + break + + # handle keepalive timeouts + self.murder_keepalived() + + self.tpool.shutdown(False) + self.poller.close() + + for s in self.sockets: + s.close() + + futures.wait(self.futures, timeout=self.cfg.graceful_timeout) + + def finish_request(self, fs): + if fs.cancelled(): + self.nr_conns -= 1 + fs.conn.close() + return + + try: + (keepalive, conn) = fs.result() + # if the connection should be kept alived add it + # to the eventloop and record it + if keepalive and self.alive: + # flag the socket as non blocked + conn.sock.setblocking(False) + + # register the connection + conn.set_timeout() + with self._lock: + self._keep.append(conn) + + # add the socket to the event loop + self.poller.register(conn.sock, selectors.EVENT_READ, + partial(self.on_client_socket_readable, conn)) + else: + self.nr_conns -= 1 + conn.close() + except Exception: + # an exception happened, make sure to close the + # socket. + self.nr_conns -= 1 + fs.conn.close() + + def handle(self, conn): + keepalive = False + req = None + try: + req = next(conn.parser) + if not req: + return (False, conn) + + # handle the request + keepalive = self.handle_request(req, conn) + if keepalive: + return (keepalive, conn) + except http.errors.NoMoreData as e: + self.log.debug("Ignored premature client disconnection. %s", e) + + except StopIteration as e: + self.log.debug("Closing connection. %s", e) + except ssl.SSLError as e: + if e.args[0] == ssl.SSL_ERROR_EOF: + self.log.debug("ssl connection closed") + conn.sock.close() + else: + self.log.debug("Error processing SSL request.") + self.handle_error(req, conn.sock, conn.client, e) + + except OSError as e: + if e.errno not in (errno.EPIPE, errno.ECONNRESET, errno.ENOTCONN): + self.log.exception("Socket error processing request.") + else: + if e.errno == errno.ECONNRESET: + self.log.debug("Ignoring connection reset") + elif e.errno == errno.ENOTCONN: + self.log.debug("Ignoring socket not connected") + else: + self.log.debug("Ignoring connection epipe") + except Exception as e: + self.handle_error(req, conn.sock, conn.client, e) + + return (False, conn) + + def handle_request(self, req, conn): + environ = {} + resp = None + try: + self.cfg.pre_request(self, req) + request_start = datetime.now() + resp, environ = wsgi.create(req, conn.sock, conn.client, + conn.server, self.cfg) + environ["wsgi.multithread"] = True + self.nr += 1 + if self.nr >= self.max_requests: + if self.alive: + self.log.info("Autorestarting worker after current request.") + self.alive = False + resp.force_close() + + if not self.alive or not self.cfg.keepalive: + resp.force_close() + elif len(self._keep) >= self.max_keepalived: + resp.force_close() + + respiter = self.wsgi(environ, resp.start_response) + try: + if isinstance(respiter, environ['wsgi.file_wrapper']): + resp.write_file(respiter) + else: + for item in respiter: + resp.write(item) + + resp.close() + finally: + request_time = datetime.now() - request_start + self.log.access(resp, req, environ, request_time) + if hasattr(respiter, "close"): + respiter.close() + + if resp.should_close(): + self.log.debug("Closing connection.") + return False + except OSError: + # pass to next try-except level + util.reraise(*sys.exc_info()) + except Exception: + if resp and resp.headers_sent: + # If the requests have already been sent, we should close the + # connection to indicate the error. + self.log.exception("Error handling request") + try: + conn.sock.shutdown(socket.SHUT_RDWR) + conn.sock.close() + except OSError: + pass + raise StopIteration() + raise + finally: + try: + self.cfg.post_request(self, req, environ, resp) + except Exception: + self.log.exception("Exception in post_request hook") + + return True diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/gtornado.py b/venv/lib/python3.12/site-packages/gunicorn/workers/gtornado.py new file mode 100644 index 0000000..544af7d --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/gtornado.py @@ -0,0 +1,166 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import os +import sys + +try: + import tornado +except ImportError: + raise RuntimeError("You need tornado installed to use this worker.") +import tornado.web +import tornado.httpserver +from tornado.ioloop import IOLoop, PeriodicCallback +from tornado.wsgi import WSGIContainer +from gunicorn.workers.base import Worker +from gunicorn import __version__ as gversion +from gunicorn.sock import ssl_context + + +# Tornado 5.0 updated its IOLoop, and the `io_loop` arguments to many +# Tornado functions have been removed in Tornado 5.0. Also, they no +# longer store PeriodCallbacks in ioloop._callbacks. Instead we store +# them on our side, and use stop() on them when stopping the worker. +# See https://www.tornadoweb.org/en/stable/releases/v5.0.0.html#backwards-compatibility-notes +# for more details. +TORNADO5 = tornado.version_info >= (5, 0, 0) + + +class TornadoWorker(Worker): + + @classmethod + def setup(cls): + web = sys.modules.pop("tornado.web") + old_clear = web.RequestHandler.clear + + def clear(self): + old_clear(self) + if "Gunicorn" not in self._headers["Server"]: + self._headers["Server"] += " (Gunicorn/%s)" % gversion + web.RequestHandler.clear = clear + sys.modules["tornado.web"] = web + + def handle_exit(self, sig, frame): + if self.alive: + super().handle_exit(sig, frame) + + def handle_request(self): + self.nr += 1 + if self.alive and self.nr >= self.max_requests: + self.log.info("Autorestarting worker after current request.") + self.alive = False + + def watchdog(self): + if self.alive: + self.notify() + + if self.ppid != os.getppid(): + self.log.info("Parent changed, shutting down: %s", self) + self.alive = False + + def heartbeat(self): + if not self.alive: + if self.server_alive: + if hasattr(self, 'server'): + try: + self.server.stop() + except Exception: + pass + self.server_alive = False + else: + if TORNADO5: + for callback in self.callbacks: + callback.stop() + self.ioloop.stop() + else: + if not self.ioloop._callbacks: + self.ioloop.stop() + + def init_process(self): + # IOLoop cannot survive a fork or be shared across processes + # in any way. When multiple processes are being used, each process + # should create its own IOLoop. We should clear current IOLoop + # if exists before os.fork. + IOLoop.clear_current() + super().init_process() + + def run(self): + self.ioloop = IOLoop.instance() + self.alive = True + self.server_alive = False + + if TORNADO5: + self.callbacks = [] + self.callbacks.append(PeriodicCallback(self.watchdog, 1000)) + self.callbacks.append(PeriodicCallback(self.heartbeat, 1000)) + for callback in self.callbacks: + callback.start() + else: + PeriodicCallback(self.watchdog, 1000, io_loop=self.ioloop).start() + PeriodicCallback(self.heartbeat, 1000, io_loop=self.ioloop).start() + + # Assume the app is a WSGI callable if its not an + # instance of tornado.web.Application or is an + # instance of tornado.wsgi.WSGIApplication + app = self.wsgi + + if tornado.version_info[0] < 6: + if not isinstance(app, tornado.web.Application) or \ + isinstance(app, tornado.wsgi.WSGIApplication): + app = WSGIContainer(app) + elif not isinstance(app, WSGIContainer) and \ + not isinstance(app, tornado.web.Application): + app = WSGIContainer(app) + + # Monkey-patching HTTPConnection.finish to count the + # number of requests being handled by Tornado. This + # will help gunicorn shutdown the worker if max_requests + # is exceeded. + httpserver = sys.modules["tornado.httpserver"] + if hasattr(httpserver, 'HTTPConnection'): + old_connection_finish = httpserver.HTTPConnection.finish + + def finish(other): + self.handle_request() + old_connection_finish(other) + httpserver.HTTPConnection.finish = finish + sys.modules["tornado.httpserver"] = httpserver + + server_class = tornado.httpserver.HTTPServer + else: + + class _HTTPServer(tornado.httpserver.HTTPServer): + + def on_close(instance, server_conn): + self.handle_request() + super().on_close(server_conn) + + server_class = _HTTPServer + + if self.cfg.is_ssl: + if TORNADO5: + server = server_class(app, ssl_options=ssl_context(self.cfg)) + else: + server = server_class(app, io_loop=self.ioloop, + ssl_options=ssl_context(self.cfg)) + else: + if TORNADO5: + server = server_class(app) + else: + server = server_class(app, io_loop=self.ioloop) + + self.server = server + self.server_alive = True + + for s in self.sockets: + s.setblocking(0) + if hasattr(server, "add_socket"): # tornado > 2.0 + server.add_socket(s) + elif hasattr(server, "_sockets"): # tornado 2.0 + server._sockets[s.fileno()] = s + + server.no_keep_alive = self.cfg.keepalive <= 0 + server.start(num_processes=1) + + self.ioloop.start() diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/sync.py b/venv/lib/python3.12/site-packages/gunicorn/workers/sync.py new file mode 100644 index 0000000..4c029f9 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/sync.py @@ -0,0 +1,209 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. +# + +from datetime import datetime +import errno +import os +import select +import socket +import ssl +import sys + +from gunicorn import http +from gunicorn.http import wsgi +from gunicorn import sock +from gunicorn import util +from gunicorn.workers import base + + +class StopWaiting(Exception): + """ exception raised to stop waiting for a connection """ + + +class SyncWorker(base.Worker): + + def accept(self, listener): + client, addr = listener.accept() + client.setblocking(1) + util.close_on_exec(client) + self.handle(listener, client, addr) + + def wait(self, timeout): + try: + self.notify() + ret = select.select(self.wait_fds, [], [], timeout) + if ret[0]: + if self.PIPE[0] in ret[0]: + os.read(self.PIPE[0], 1) + return ret[0] + + except OSError as e: + if e.args[0] == errno.EINTR: + return self.sockets + if e.args[0] == errno.EBADF: + if self.nr < 0: + return self.sockets + else: + raise StopWaiting + raise + + def is_parent_alive(self): + # If our parent changed then we shut down. + if self.ppid != os.getppid(): + self.log.info("Parent changed, shutting down: %s", self) + return False + return True + + def run_for_one(self, timeout): + listener = self.sockets[0] + while self.alive: + self.notify() + + # Accept a connection. If we get an error telling us + # that no connection is waiting we fall down to the + # select which is where we'll wait for a bit for new + # workers to come give us some love. + try: + self.accept(listener) + # Keep processing clients until no one is waiting. This + # prevents the need to select() for every client that we + # process. + continue + + except OSError as e: + if e.errno not in (errno.EAGAIN, errno.ECONNABORTED, + errno.EWOULDBLOCK): + raise + + if not self.is_parent_alive(): + return + + try: + self.wait(timeout) + except StopWaiting: + return + + def run_for_multiple(self, timeout): + while self.alive: + self.notify() + + try: + ready = self.wait(timeout) + except StopWaiting: + return + + if ready is not None: + for listener in ready: + if listener == self.PIPE[0]: + continue + + try: + self.accept(listener) + except OSError as e: + if e.errno not in (errno.EAGAIN, errno.ECONNABORTED, + errno.EWOULDBLOCK): + raise + + if not self.is_parent_alive(): + return + + def run(self): + # if no timeout is given the worker will never wait and will + # use the CPU for nothing. This minimal timeout prevent it. + timeout = self.timeout or 0.5 + + # self.socket appears to lose its blocking status after + # we fork in the arbiter. Reset it here. + for s in self.sockets: + s.setblocking(0) + + if len(self.sockets) > 1: + self.run_for_multiple(timeout) + else: + self.run_for_one(timeout) + + def handle(self, listener, client, addr): + req = None + try: + if self.cfg.is_ssl: + client = sock.ssl_wrap_socket(client, self.cfg) + parser = http.RequestParser(self.cfg, client, addr) + req = next(parser) + self.handle_request(listener, req, client, addr) + except http.errors.NoMoreData as e: + self.log.debug("Ignored premature client disconnection. %s", e) + except StopIteration as e: + self.log.debug("Closing connection. %s", e) + except ssl.SSLError as e: + if e.args[0] == ssl.SSL_ERROR_EOF: + self.log.debug("ssl connection closed") + client.close() + else: + self.log.debug("Error processing SSL request.") + self.handle_error(req, client, addr, e) + except OSError as e: + if e.errno not in (errno.EPIPE, errno.ECONNRESET, errno.ENOTCONN): + self.log.exception("Socket error processing request.") + else: + if e.errno == errno.ECONNRESET: + self.log.debug("Ignoring connection reset") + elif e.errno == errno.ENOTCONN: + self.log.debug("Ignoring socket not connected") + else: + self.log.debug("Ignoring EPIPE") + except BaseException as e: + self.handle_error(req, client, addr, e) + finally: + util.close(client) + + def handle_request(self, listener, req, client, addr): + environ = {} + resp = None + try: + self.cfg.pre_request(self, req) + request_start = datetime.now() + resp, environ = wsgi.create(req, client, addr, + listener.getsockname(), self.cfg) + # Force the connection closed until someone shows + # a buffering proxy that supports Keep-Alive to + # the backend. + resp.force_close() + self.nr += 1 + if self.nr >= self.max_requests: + self.log.info("Autorestarting worker after current request.") + self.alive = False + respiter = self.wsgi(environ, resp.start_response) + try: + if isinstance(respiter, environ['wsgi.file_wrapper']): + resp.write_file(respiter) + else: + for item in respiter: + resp.write(item) + resp.close() + finally: + request_time = datetime.now() - request_start + self.log.access(resp, req, environ, request_time) + if hasattr(respiter, "close"): + respiter.close() + except OSError: + # pass to next try-except level + util.reraise(*sys.exc_info()) + except Exception: + if resp and resp.headers_sent: + # If the requests have already been sent, we should close the + # connection to indicate the error. + self.log.exception("Error handling request") + try: + client.shutdown(socket.SHUT_RDWR) + client.close() + except OSError: + pass + raise StopIteration() + raise + finally: + try: + self.cfg.post_request(self, req, environ, resp) + except Exception: + self.log.exception("Exception in post_request hook") diff --git a/venv/lib/python3.12/site-packages/gunicorn/workers/workertmp.py b/venv/lib/python3.12/site-packages/gunicorn/workers/workertmp.py new file mode 100644 index 0000000..8ef00a5 --- /dev/null +++ b/venv/lib/python3.12/site-packages/gunicorn/workers/workertmp.py @@ -0,0 +1,53 @@ +# +# This file is part of gunicorn released under the MIT license. +# See the NOTICE for more information. + +import os +import time +import platform +import tempfile + +from gunicorn import util + +PLATFORM = platform.system() +IS_CYGWIN = PLATFORM.startswith('CYGWIN') + + +class WorkerTmp: + + def __init__(self, cfg): + old_umask = os.umask(cfg.umask) + fdir = cfg.worker_tmp_dir + if fdir and not os.path.isdir(fdir): + raise RuntimeError("%s doesn't exist. Can't create workertmp." % fdir) + fd, name = tempfile.mkstemp(prefix="wgunicorn-", dir=fdir) + os.umask(old_umask) + + # change the owner and group of the file if the worker will run as + # a different user or group, so that the worker can modify the file + if cfg.uid != os.geteuid() or cfg.gid != os.getegid(): + util.chown(name, cfg.uid, cfg.gid) + + # unlink the file so we don't leak temporary files + try: + if not IS_CYGWIN: + util.unlink(name) + # In Python 3.8, open() emits RuntimeWarning if buffering=1 for binary mode. + # Because we never write to this file, pass 0 to switch buffering off. + self._tmp = os.fdopen(fd, 'w+b', 0) + except Exception: + os.close(fd) + raise + + def notify(self): + new_time = time.monotonic() + os.utime(self._tmp.fileno(), (new_time, new_time)) + + def last_update(self): + return os.fstat(self._tmp.fileno()).st_mtime + + def fileno(self): + return self._tmp.fileno() + + def close(self): + return self._tmp.close() diff --git a/venv/lib/python3.12/site-packages/idna-3.10.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/idna-3.10.dist-info/LICENSE.md b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/LICENSE.md new file mode 100644 index 0000000..19b6b45 --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/LICENSE.md @@ -0,0 +1,31 @@ +BSD 3-Clause License + +Copyright (c) 2013-2024, Kim Davies and contributors. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/venv/lib/python3.12/site-packages/idna-3.10.dist-info/METADATA b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/METADATA new file mode 100644 index 0000000..c42623e --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/METADATA @@ -0,0 +1,250 @@ +Metadata-Version: 2.1 +Name: idna +Version: 3.10 +Summary: Internationalized Domain Names in Applications (IDNA) +Author-email: Kim Davies +Requires-Python: >=3.6 +Description-Content-Type: text/x-rst +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Intended Audience :: System Administrators +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: 3.12 +Classifier: Programming Language :: Python :: 3.13 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Internet :: Name Service (DNS) +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Utilities +Requires-Dist: ruff >= 0.6.2 ; extra == "all" +Requires-Dist: mypy >= 1.11.2 ; extra == "all" +Requires-Dist: pytest >= 8.3.2 ; extra == "all" +Requires-Dist: flake8 >= 7.1.1 ; extra == "all" +Project-URL: Changelog, https://github.com/kjd/idna/blob/master/HISTORY.rst +Project-URL: Issue tracker, https://github.com/kjd/idna/issues +Project-URL: Source, https://github.com/kjd/idna +Provides-Extra: all + +Internationalized Domain Names in Applications (IDNA) +===================================================== + +Support for the Internationalized Domain Names in +Applications (IDNA) protocol as specified in `RFC 5891 +`_. This is the latest version of +the protocol and is sometimes referred to as “IDNA 2008”. + +This library also provides support for Unicode Technical +Standard 46, `Unicode IDNA Compatibility Processing +`_. + +This acts as a suitable replacement for the “encodings.idna” +module that comes with the Python standard library, but which +only supports the older superseded IDNA specification (`RFC 3490 +`_). + +Basic functions are simply executed: + +.. code-block:: pycon + + >>> import idna + >>> idna.encode('ドメイン.テスト') + b'xn--eckwd4c7c.xn--zckzah' + >>> print(idna.decode('xn--eckwd4c7c.xn--zckzah')) + ドメイン.テスト + + +Installation +------------ + +This package is available for installation from PyPI: + +.. code-block:: bash + + $ python3 -m pip install idna + + +Usage +----- + +For typical usage, the ``encode`` and ``decode`` functions will take a +domain name argument and perform a conversion to A-labels or U-labels +respectively. + +.. code-block:: pycon + + >>> import idna + >>> idna.encode('ドメイン.テスト') + b'xn--eckwd4c7c.xn--zckzah' + >>> print(idna.decode('xn--eckwd4c7c.xn--zckzah')) + ドメイン.テスト + +You may use the codec encoding and decoding methods using the +``idna.codec`` module: + +.. code-block:: pycon + + >>> import idna.codec + >>> print('домен.испытание'.encode('idna2008')) + b'xn--d1acufc.xn--80akhbyknj4f' + >>> print(b'xn--d1acufc.xn--80akhbyknj4f'.decode('idna2008')) + домен.испытание + +Conversions can be applied at a per-label basis using the ``ulabel`` or +``alabel`` functions if necessary: + +.. code-block:: pycon + + >>> idna.alabel('测试') + b'xn--0zwm56d' + +Compatibility Mapping (UTS #46) ++++++++++++++++++++++++++++++++ + +As described in `RFC 5895 `_, the +IDNA specification does not normalize input from different potential +ways a user may input a domain name. This functionality, known as +a “mapping”, is considered by the specification to be a local +user-interface issue distinct from IDNA conversion functionality. + +This library provides one such mapping that was developed by the +Unicode Consortium. Known as `Unicode IDNA Compatibility Processing +`_, it provides for both a regular +mapping for typical applications, as well as a transitional mapping to +help migrate from older IDNA 2003 applications. Strings are +preprocessed according to Section 4.4 “Preprocessing for IDNA2008” +prior to the IDNA operations. + +For example, “Königsgäßchen” is not a permissible label as *LATIN +CAPITAL LETTER K* is not allowed (nor are capital letters in general). +UTS 46 will convert this into lower case prior to applying the IDNA +conversion. + +.. code-block:: pycon + + >>> import idna + >>> idna.encode('Königsgäßchen') + ... + idna.core.InvalidCodepoint: Codepoint U+004B at position 1 of 'Königsgäßchen' not allowed + >>> idna.encode('Königsgäßchen', uts46=True) + b'xn--knigsgchen-b4a3dun' + >>> print(idna.decode('xn--knigsgchen-b4a3dun')) + königsgäßchen + +Transitional processing provides conversions to help transition from +the older 2003 standard to the current standard. For example, in the +original IDNA specification, the *LATIN SMALL LETTER SHARP S* (ß) was +converted into two *LATIN SMALL LETTER S* (ss), whereas in the current +IDNA specification this conversion is not performed. + +.. code-block:: pycon + + >>> idna.encode('Königsgäßchen', uts46=True, transitional=True) + 'xn--knigsgsschen-lcb0w' + +Implementers should use transitional processing with caution, only in +rare cases where conversion from legacy labels to current labels must be +performed (i.e. IDNA implementations that pre-date 2008). For typical +applications that just need to convert labels, transitional processing +is unlikely to be beneficial and could produce unexpected incompatible +results. + +``encodings.idna`` Compatibility +++++++++++++++++++++++++++++++++ + +Function calls from the Python built-in ``encodings.idna`` module are +mapped to their IDNA 2008 equivalents using the ``idna.compat`` module. +Simply substitute the ``import`` clause in your code to refer to the new +module name. + +Exceptions +---------- + +All errors raised during the conversion following the specification +should raise an exception derived from the ``idna.IDNAError`` base +class. + +More specific exceptions that may be generated as ``idna.IDNABidiError`` +when the error reflects an illegal combination of left-to-right and +right-to-left characters in a label; ``idna.InvalidCodepoint`` when +a specific codepoint is an illegal character in an IDN label (i.e. +INVALID); and ``idna.InvalidCodepointContext`` when the codepoint is +illegal based on its positional context (i.e. it is CONTEXTO or CONTEXTJ +but the contextual requirements are not satisfied.) + +Building and Diagnostics +------------------------ + +The IDNA and UTS 46 functionality relies upon pre-calculated lookup +tables for performance. These tables are derived from computing against +eligibility criteria in the respective standards. These tables are +computed using the command-line script ``tools/idna-data``. + +This tool will fetch relevant codepoint data from the Unicode repository +and perform the required calculations to identify eligibility. There are +three main modes: + +* ``idna-data make-libdata``. Generates ``idnadata.py`` and + ``uts46data.py``, the pre-calculated lookup tables used for IDNA and + UTS 46 conversions. Implementers who wish to track this library against + a different Unicode version may use this tool to manually generate a + different version of the ``idnadata.py`` and ``uts46data.py`` files. + +* ``idna-data make-table``. Generate a table of the IDNA disposition + (e.g. PVALID, CONTEXTJ, CONTEXTO) in the format found in Appendix + B.1 of RFC 5892 and the pre-computed tables published by `IANA + `_. + +* ``idna-data U+0061``. Prints debugging output on the various + properties associated with an individual Unicode codepoint (in this + case, U+0061), that are used to assess the IDNA and UTS 46 status of a + codepoint. This is helpful in debugging or analysis. + +The tool accepts a number of arguments, described using ``idna-data +-h``. Most notably, the ``--version`` argument allows the specification +of the version of Unicode to be used in computing the table data. For +example, ``idna-data --version 9.0.0 make-libdata`` will generate +library data against Unicode 9.0.0. + + +Additional Notes +---------------- + +* **Packages**. The latest tagged release version is published in the + `Python Package Index `_. + +* **Version support**. This library supports Python 3.6 and higher. + As this library serves as a low-level toolkit for a variety of + applications, many of which strive for broad compatibility with older + Python versions, there is no rush to remove older interpreter support. + Removing support for older versions should be well justified in that the + maintenance burden has become too high. + +* **Python 2**. Python 2 is supported by version 2.x of this library. + Use "idna<3" in your requirements file if you need this library for + a Python 2 application. Be advised that these versions are no longer + actively developed. + +* **Testing**. The library has a test suite based on each rule of the + IDNA specification, as well as tests that are provided as part of the + Unicode Technical Standard 46, `Unicode IDNA Compatibility Processing + `_. + +* **Emoji**. It is an occasional request to support emoji domains in + this library. Encoding of symbols like emoji is expressly prohibited by + the technical standard IDNA 2008 and emoji domains are broadly phased + out across the domain industry due to associated security risks. For + now, applications that need to support these non-compliant labels + may wish to consider trying the encode/decode operation in this library + first, and then falling back to using `encodings.idna`. See `the Github + project `_ for more discussion. + diff --git a/venv/lib/python3.12/site-packages/idna-3.10.dist-info/RECORD b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/RECORD new file mode 100644 index 0000000..9cfce7f --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/RECORD @@ -0,0 +1,22 @@ +idna-3.10.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +idna-3.10.dist-info/LICENSE.md,sha256=pZ8LDvNjWHQQmkRhykT_enDVBpboFHZ7-vch1Mmw2w8,1541 +idna-3.10.dist-info/METADATA,sha256=URR5ZyDfQ1PCEGhkYoojqfi2Ra0tau2--lhwG4XSfjI,10158 +idna-3.10.dist-info/RECORD,, +idna-3.10.dist-info/WHEEL,sha256=EZbGkh7Ie4PoZfRQ8I0ZuP9VklN_TvcZ6DSE5Uar4z4,81 +idna/__init__.py,sha256=MPqNDLZbXqGaNdXxAFhiqFPKEQXju2jNQhCey6-5eJM,868 +idna/__pycache__/__init__.cpython-312.pyc,, +idna/__pycache__/codec.cpython-312.pyc,, +idna/__pycache__/compat.cpython-312.pyc,, +idna/__pycache__/core.cpython-312.pyc,, +idna/__pycache__/idnadata.cpython-312.pyc,, +idna/__pycache__/intranges.cpython-312.pyc,, +idna/__pycache__/package_data.cpython-312.pyc,, +idna/__pycache__/uts46data.cpython-312.pyc,, +idna/codec.py,sha256=PEew3ItwzjW4hymbasnty2N2OXvNcgHB-JjrBuxHPYY,3422 +idna/compat.py,sha256=RzLy6QQCdl9784aFhb2EX9EKGCJjg0P3PilGdeXXcx8,316 +idna/core.py,sha256=YJYyAMnwiQEPjVC4-Fqu_p4CJ6yKKuDGmppBNQNQpFs,13239 +idna/idnadata.py,sha256=W30GcIGvtOWYwAjZj4ZjuouUutC6ffgNuyjJy7fZ-lo,78306 +idna/intranges.py,sha256=amUtkdhYcQG8Zr-CoMM_kVRacxkivC1WgxN1b63KKdU,1898 +idna/package_data.py,sha256=q59S3OXsc5VI8j6vSD0sGBMyk6zZ4vWFREE88yCJYKs,21 +idna/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +idna/uts46data.py,sha256=rt90K9J40gUSwppDPCrhjgi5AA6pWM65dEGRSf6rIhM,239289 diff --git a/venv/lib/python3.12/site-packages/idna-3.10.dist-info/WHEEL b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/WHEEL new file mode 100644 index 0000000..3b5e64b --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna-3.10.dist-info/WHEEL @@ -0,0 +1,4 @@ +Wheel-Version: 1.0 +Generator: flit 3.9.0 +Root-Is-Purelib: true +Tag: py3-none-any diff --git a/venv/lib/python3.12/site-packages/idna/__init__.py b/venv/lib/python3.12/site-packages/idna/__init__.py new file mode 100644 index 0000000..cfdc030 --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna/__init__.py @@ -0,0 +1,45 @@ +from .core import ( + IDNABidiError, + IDNAError, + InvalidCodepoint, + InvalidCodepointContext, + alabel, + check_bidi, + check_hyphen_ok, + check_initial_combiner, + check_label, + check_nfc, + decode, + encode, + ulabel, + uts46_remap, + valid_contextj, + valid_contexto, + valid_label_length, + valid_string_length, +) +from .intranges import intranges_contain +from .package_data import __version__ + +__all__ = [ + "__version__", + "IDNABidiError", + "IDNAError", + "InvalidCodepoint", + "InvalidCodepointContext", + "alabel", + "check_bidi", + "check_hyphen_ok", + "check_initial_combiner", + "check_label", + "check_nfc", + "decode", + "encode", + 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codecs +import re +from typing import Any, Optional, Tuple + +from .core import IDNAError, alabel, decode, encode, ulabel + +_unicode_dots_re = re.compile("[\u002e\u3002\uff0e\uff61]") + + +class Codec(codecs.Codec): + def encode(self, data: str, errors: str = "strict") -> Tuple[bytes, int]: + if errors != "strict": + raise IDNAError('Unsupported error handling "{}"'.format(errors)) + + if not data: + return b"", 0 + + return encode(data), len(data) + + def decode(self, data: bytes, errors: str = "strict") -> Tuple[str, int]: + if errors != "strict": + raise IDNAError('Unsupported error handling "{}"'.format(errors)) + + if not data: + return "", 0 + + return decode(data), len(data) + + +class IncrementalEncoder(codecs.BufferedIncrementalEncoder): + def _buffer_encode(self, data: str, errors: str, final: bool) -> Tuple[bytes, int]: + if errors != "strict": + raise IDNAError('Unsupported error handling "{}"'.format(errors)) + + if not data: + return b"", 0 + + labels = _unicode_dots_re.split(data) + trailing_dot = b"" + if labels: + if not labels[-1]: + trailing_dot = b"." + del labels[-1] + elif not final: + # Keep potentially unfinished label until the next call + del labels[-1] + if labels: + trailing_dot = b"." + + result = [] + size = 0 + for label in labels: + result.append(alabel(label)) + if size: + size += 1 + size += len(label) + + # Join with U+002E + result_bytes = b".".join(result) + trailing_dot + size += len(trailing_dot) + return result_bytes, size + + +class IncrementalDecoder(codecs.BufferedIncrementalDecoder): + def _buffer_decode(self, data: Any, errors: str, final: bool) -> Tuple[str, int]: + if errors != "strict": + raise IDNAError('Unsupported error handling "{}"'.format(errors)) + + if not data: + return ("", 0) + + if not isinstance(data, str): + data = str(data, "ascii") + + labels = _unicode_dots_re.split(data) + trailing_dot = "" + if labels: + if not labels[-1]: + trailing_dot = "." + del labels[-1] + elif not final: + # Keep potentially unfinished label until the next call + del labels[-1] + if labels: + trailing_dot = "." + + result = [] + size = 0 + for label in labels: + result.append(ulabel(label)) + if size: + size += 1 + size += len(label) + + result_str = ".".join(result) + trailing_dot + size += len(trailing_dot) + return (result_str, size) + + +class StreamWriter(Codec, codecs.StreamWriter): + pass + + +class StreamReader(Codec, codecs.StreamReader): + pass + + +def search_function(name: str) -> Optional[codecs.CodecInfo]: + if name != "idna2008": + return None + return codecs.CodecInfo( + name=name, + encode=Codec().encode, + decode=Codec().decode, + incrementalencoder=IncrementalEncoder, + incrementaldecoder=IncrementalDecoder, + streamwriter=StreamWriter, + streamreader=StreamReader, + ) + + +codecs.register(search_function) diff --git a/venv/lib/python3.12/site-packages/idna/compat.py b/venv/lib/python3.12/site-packages/idna/compat.py new file mode 100644 index 0000000..1df9f2a --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna/compat.py @@ -0,0 +1,15 @@ +from typing import Any, Union + +from .core import decode, encode + + +def ToASCII(label: str) -> bytes: + return encode(label) + + +def ToUnicode(label: Union[bytes, bytearray]) -> str: + return decode(label) + + +def nameprep(s: Any) -> None: + raise NotImplementedError("IDNA 2008 does not utilise nameprep protocol") diff --git a/venv/lib/python3.12/site-packages/idna/core.py b/venv/lib/python3.12/site-packages/idna/core.py new file mode 100644 index 0000000..9115f12 --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna/core.py @@ -0,0 +1,437 @@ +import bisect +import re +import unicodedata +from typing import Optional, Union + +from . import idnadata +from .intranges import intranges_contain + +_virama_combining_class = 9 +_alabel_prefix = b"xn--" +_unicode_dots_re = re.compile("[\u002e\u3002\uff0e\uff61]") + + +class IDNAError(UnicodeError): + """Base exception for all IDNA-encoding related problems""" + + pass + + +class IDNABidiError(IDNAError): + """Exception when bidirectional requirements are not satisfied""" + + pass + + +class InvalidCodepoint(IDNAError): + """Exception when a disallowed or unallocated codepoint is used""" + + pass + + +class InvalidCodepointContext(IDNAError): + """Exception when the codepoint is not valid in the context it is used""" + + pass + + +def _combining_class(cp: int) -> int: + v = unicodedata.combining(chr(cp)) + if v == 0: + if not unicodedata.name(chr(cp)): + raise ValueError("Unknown character in unicodedata") + return v + + +def _is_script(cp: str, script: str) -> bool: + return intranges_contain(ord(cp), idnadata.scripts[script]) + + +def _punycode(s: str) -> bytes: + return s.encode("punycode") + + +def _unot(s: int) -> str: + return "U+{:04X}".format(s) + + +def valid_label_length(label: Union[bytes, str]) -> bool: + if len(label) > 63: + return False + return True + + +def valid_string_length(label: Union[bytes, str], trailing_dot: bool) -> bool: + if len(label) > (254 if trailing_dot else 253): + return False + return True + + +def check_bidi(label: str, check_ltr: bool = False) -> bool: + # Bidi rules should only be applied if string contains RTL characters + bidi_label = False + for idx, cp in enumerate(label, 1): + direction = unicodedata.bidirectional(cp) + if direction == "": + # String likely comes from a newer version of Unicode + raise IDNABidiError("Unknown directionality in label {} at position {}".format(repr(label), idx)) + if direction in ["R", "AL", "AN"]: + bidi_label = True + if not bidi_label and not check_ltr: + return True + + # Bidi rule 1 + direction = unicodedata.bidirectional(label[0]) + if direction in ["R", "AL"]: + rtl = True + elif direction == "L": + rtl = False + else: + raise IDNABidiError("First codepoint in label {} must be directionality L, R or AL".format(repr(label))) + + valid_ending = False + number_type: Optional[str] = None + for idx, cp in enumerate(label, 1): + direction = unicodedata.bidirectional(cp) + + if rtl: + # Bidi rule 2 + if direction not in [ + "R", + "AL", + "AN", + "EN", + "ES", + "CS", + "ET", + "ON", + "BN", + "NSM", + ]: + raise IDNABidiError("Invalid direction for codepoint at position {} in a right-to-left label".format(idx)) + # Bidi rule 3 + if direction in ["R", "AL", "EN", "AN"]: + valid_ending = True + elif direction != "NSM": + valid_ending = False + # Bidi rule 4 + if direction in ["AN", "EN"]: + if not number_type: + number_type = direction + else: + if number_type != direction: + raise IDNABidiError("Can not mix numeral types in a right-to-left label") + else: + # Bidi rule 5 + if direction not in ["L", "EN", "ES", "CS", "ET", "ON", "BN", "NSM"]: + raise IDNABidiError("Invalid direction for codepoint at position {} in a left-to-right label".format(idx)) + # Bidi rule 6 + if direction in ["L", "EN"]: + valid_ending = True + elif direction != "NSM": + valid_ending = False + + if not valid_ending: + raise IDNABidiError("Label ends with illegal codepoint directionality") + + return True + + +def check_initial_combiner(label: str) -> bool: + if unicodedata.category(label[0])[0] == "M": + raise IDNAError("Label begins with an illegal combining character") + return True + + +def check_hyphen_ok(label: str) -> bool: + if label[2:4] == "--": + raise IDNAError("Label has disallowed hyphens in 3rd and 4th position") + if label[0] == "-" or label[-1] == "-": + raise IDNAError("Label must not start or end with a hyphen") + return True + + +def check_nfc(label: str) -> None: + if unicodedata.normalize("NFC", label) != label: + raise IDNAError("Label must be in Normalization Form C") + + +def valid_contextj(label: str, pos: int) -> bool: + cp_value = ord(label[pos]) + + if cp_value == 0x200C: + if pos > 0: + if _combining_class(ord(label[pos - 1])) == _virama_combining_class: + return True + + ok = False + for i in range(pos - 1, -1, -1): + joining_type = idnadata.joining_types.get(ord(label[i])) + if joining_type == ord("T"): + continue + elif joining_type in [ord("L"), ord("D")]: + ok = True + break + else: + break + + if not ok: + return False + + ok = False + for i in range(pos + 1, len(label)): + joining_type = idnadata.joining_types.get(ord(label[i])) + if joining_type == ord("T"): + continue + elif joining_type in [ord("R"), ord("D")]: + ok = True + break + else: + break + return ok + + if cp_value == 0x200D: + if pos > 0: + if _combining_class(ord(label[pos - 1])) == _virama_combining_class: + return True + return False + + else: + return False + + +def valid_contexto(label: str, pos: int, exception: bool = False) -> bool: + cp_value = ord(label[pos]) + + if cp_value == 0x00B7: + if 0 < pos < len(label) - 1: + if ord(label[pos - 1]) == 0x006C and ord(label[pos + 1]) == 0x006C: + return True + return False + + elif cp_value == 0x0375: + if pos < len(label) - 1 and len(label) > 1: + return _is_script(label[pos + 1], "Greek") + return False + + elif cp_value == 0x05F3 or cp_value == 0x05F4: + if pos > 0: + return _is_script(label[pos - 1], "Hebrew") + return False + + elif cp_value == 0x30FB: + for cp in label: + if cp == "\u30fb": + continue + if _is_script(cp, "Hiragana") or _is_script(cp, "Katakana") or _is_script(cp, "Han"): + return True + return False + + elif 0x660 <= cp_value <= 0x669: + for cp in label: + if 0x6F0 <= ord(cp) <= 0x06F9: + return False + return True + + elif 0x6F0 <= cp_value <= 0x6F9: + for cp in label: + if 0x660 <= ord(cp) <= 0x0669: + return False + return True + + return False + + +def check_label(label: Union[str, bytes, bytearray]) -> None: + if isinstance(label, (bytes, bytearray)): + label = label.decode("utf-8") + if len(label) == 0: + raise IDNAError("Empty Label") + + check_nfc(label) + check_hyphen_ok(label) + check_initial_combiner(label) + + for pos, cp in enumerate(label): + cp_value = ord(cp) + if intranges_contain(cp_value, idnadata.codepoint_classes["PVALID"]): + continue + elif intranges_contain(cp_value, idnadata.codepoint_classes["CONTEXTJ"]): + try: + if not valid_contextj(label, pos): + raise InvalidCodepointContext( + "Joiner {} not allowed at position {} in {}".format(_unot(cp_value), pos + 1, repr(label)) + ) + except ValueError: + raise IDNAError( + "Unknown codepoint adjacent to joiner {} at position {} in {}".format( + _unot(cp_value), pos + 1, repr(label) + ) + ) + elif intranges_contain(cp_value, idnadata.codepoint_classes["CONTEXTO"]): + if not valid_contexto(label, pos): + raise InvalidCodepointContext( + "Codepoint {} not allowed at position {} in {}".format(_unot(cp_value), pos + 1, repr(label)) + ) + else: + raise InvalidCodepoint( + "Codepoint {} at position {} of {} not allowed".format(_unot(cp_value), pos + 1, repr(label)) + ) + + check_bidi(label) + + +def alabel(label: str) -> bytes: + try: + label_bytes = label.encode("ascii") + ulabel(label_bytes) + if not valid_label_length(label_bytes): + raise IDNAError("Label too long") + return label_bytes + except UnicodeEncodeError: + pass + + check_label(label) + label_bytes = _alabel_prefix + _punycode(label) + + if not valid_label_length(label_bytes): + raise IDNAError("Label too long") + + return label_bytes + + +def ulabel(label: Union[str, bytes, bytearray]) -> str: + if not isinstance(label, (bytes, bytearray)): + try: + label_bytes = label.encode("ascii") + except UnicodeEncodeError: + check_label(label) + return label + else: + label_bytes = label + + label_bytes = label_bytes.lower() + if label_bytes.startswith(_alabel_prefix): + label_bytes = label_bytes[len(_alabel_prefix) :] + if not label_bytes: + raise IDNAError("Malformed A-label, no Punycode eligible content found") + if label_bytes.decode("ascii")[-1] == "-": + raise IDNAError("A-label must not end with a hyphen") + else: + check_label(label_bytes) + return label_bytes.decode("ascii") + + try: + label = label_bytes.decode("punycode") + except UnicodeError: + raise IDNAError("Invalid A-label") + check_label(label) + return label + + +def uts46_remap(domain: str, std3_rules: bool = True, transitional: bool = False) -> str: + """Re-map the characters in the string according to UTS46 processing.""" + from .uts46data import uts46data + + output = "" + + for pos, char in enumerate(domain): + code_point = ord(char) + try: + uts46row = uts46data[code_point if code_point < 256 else bisect.bisect_left(uts46data, (code_point, "Z")) - 1] + status = uts46row[1] + replacement: Optional[str] = None + if len(uts46row) == 3: + replacement = uts46row[2] + if ( + status == "V" + or (status == "D" and not transitional) + or (status == "3" and not std3_rules and replacement is None) + ): + output += char + elif replacement is not None and ( + status == "M" or (status == "3" and not std3_rules) or (status == "D" and transitional) + ): + output += replacement + elif status != "I": + raise IndexError() + except IndexError: + raise InvalidCodepoint( + "Codepoint {} not allowed at position {} in {}".format(_unot(code_point), pos + 1, repr(domain)) + ) + + return unicodedata.normalize("NFC", output) + + +def encode( + s: Union[str, bytes, bytearray], + strict: bool = False, + uts46: bool = False, + std3_rules: bool = False, + transitional: bool = False, +) -> bytes: + if not isinstance(s, str): + try: + s = str(s, "ascii") + except UnicodeDecodeError: + raise IDNAError("should pass a unicode string to the function rather than a byte string.") + if uts46: + s = uts46_remap(s, std3_rules, transitional) + trailing_dot = False + result = [] + if strict: + labels = s.split(".") + else: + labels = _unicode_dots_re.split(s) + if not labels or labels == [""]: + raise IDNAError("Empty domain") + if labels[-1] == "": + del labels[-1] + trailing_dot = True + for label in labels: + s = alabel(label) + if s: + result.append(s) + else: + raise IDNAError("Empty label") + if trailing_dot: + result.append(b"") + s = b".".join(result) + if not valid_string_length(s, trailing_dot): + raise IDNAError("Domain too long") + return s + + +def decode( + s: Union[str, bytes, bytearray], + strict: bool = False, + uts46: bool = False, + std3_rules: bool = False, +) -> str: + try: + if not isinstance(s, str): + s = str(s, "ascii") + except UnicodeDecodeError: + raise IDNAError("Invalid ASCII in A-label") + if uts46: + s = uts46_remap(s, std3_rules, False) + trailing_dot = False + result = [] + if not strict: + labels = _unicode_dots_re.split(s) + else: + labels = s.split(".") + if not labels or labels == [""]: + raise IDNAError("Empty domain") + if not labels[-1]: + del labels[-1] + trailing_dot = True + for label in labels: + s = ulabel(label) + if s: + result.append(s) + else: + raise IDNAError("Empty label") + if trailing_dot: + result.append("") + return ".".join(result) diff --git a/venv/lib/python3.12/site-packages/idna/idnadata.py b/venv/lib/python3.12/site-packages/idna/idnadata.py new file mode 100644 index 0000000..4be6004 --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna/idnadata.py @@ -0,0 +1,4243 @@ +# This file is automatically generated by tools/idna-data + +__version__ = "15.1.0" +scripts = { + "Greek": ( + 0x37000000374, + 0x37500000378, + 0x37A0000037E, + 0x37F00000380, + 0x38400000385, + 0x38600000387, + 0x3880000038B, + 0x38C0000038D, + 0x38E000003A2, + 0x3A3000003E2, + 0x3F000000400, + 0x1D2600001D2B, + 0x1D5D00001D62, + 0x1D6600001D6B, + 0x1DBF00001DC0, + 0x1F0000001F16, + 0x1F1800001F1E, + 0x1F2000001F46, + 0x1F4800001F4E, + 0x1F5000001F58, + 0x1F5900001F5A, + 0x1F5B00001F5C, + 0x1F5D00001F5E, + 0x1F5F00001F7E, + 0x1F8000001FB5, + 0x1FB600001FC5, + 0x1FC600001FD4, + 0x1FD600001FDC, + 0x1FDD00001FF0, + 0x1FF200001FF5, + 0x1FF600001FFF, + 0x212600002127, + 0xAB650000AB66, + 0x101400001018F, + 0x101A0000101A1, + 0x1D2000001D246, + ), + "Han": ( + 0x2E8000002E9A, + 0x2E9B00002EF4, + 0x2F0000002FD6, + 0x300500003006, + 0x300700003008, + 0x30210000302A, + 0x30380000303C, + 0x340000004DC0, + 0x4E000000A000, + 0xF9000000FA6E, + 0xFA700000FADA, + 0x16FE200016FE4, + 0x16FF000016FF2, + 0x200000002A6E0, + 0x2A7000002B73A, + 0x2B7400002B81E, + 0x2B8200002CEA2, + 0x2CEB00002EBE1, + 0x2EBF00002EE5E, + 0x2F8000002FA1E, + 0x300000003134B, + 0x31350000323B0, + ), + "Hebrew": ( + 0x591000005C8, + 0x5D0000005EB, + 0x5EF000005F5, + 0xFB1D0000FB37, + 0xFB380000FB3D, + 0xFB3E0000FB3F, + 0xFB400000FB42, + 0xFB430000FB45, + 0xFB460000FB50, + ), + "Hiragana": ( + 0x304100003097, + 0x309D000030A0, + 0x1B0010001B120, + 0x1B1320001B133, + 0x1B1500001B153, + 0x1F2000001F201, + ), + "Katakana": ( + 0x30A1000030FB, + 0x30FD00003100, + 0x31F000003200, + 0x32D0000032FF, + 0x330000003358, + 0xFF660000FF70, + 0xFF710000FF9E, + 0x1AFF00001AFF4, + 0x1AFF50001AFFC, + 0x1AFFD0001AFFF, + 0x1B0000001B001, + 0x1B1200001B123, + 0x1B1550001B156, + 0x1B1640001B168, + ), +} +joining_types = { + 0xAD: 84, + 0x300: 84, + 0x301: 84, + 0x302: 84, + 0x303: 84, + 0x304: 84, + 0x305: 84, + 0x306: 84, + 0x307: 84, + 0x308: 84, + 0x309: 84, + 0x30A: 84, + 0x30B: 84, + 0x30C: 84, + 0x30D: 84, 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+ 0x35B: 84, + 0x35C: 84, + 0x35D: 84, + 0x35E: 84, + 0x35F: 84, + 0x360: 84, + 0x361: 84, + 0x362: 84, + 0x363: 84, + 0x364: 84, + 0x365: 84, + 0x366: 84, + 0x367: 84, + 0x368: 84, + 0x369: 84, + 0x36A: 84, + 0x36B: 84, + 0x36C: 84, + 0x36D: 84, + 0x36E: 84, + 0x36F: 84, + 0x483: 84, + 0x484: 84, + 0x485: 84, + 0x486: 84, + 0x487: 84, + 0x488: 84, + 0x489: 84, + 0x591: 84, + 0x592: 84, + 0x593: 84, + 0x594: 84, + 0x595: 84, + 0x596: 84, + 0x597: 84, + 0x598: 84, + 0x599: 84, + 0x59A: 84, + 0x59B: 84, + 0x59C: 84, + 0x59D: 84, + 0x59E: 84, + 0x59F: 84, + 0x5A0: 84, + 0x5A1: 84, + 0x5A2: 84, + 0x5A3: 84, + 0x5A4: 84, + 0x5A5: 84, + 0x5A6: 84, + 0x5A7: 84, + 0x5A8: 84, + 0x5A9: 84, + 0x5AA: 84, + 0x5AB: 84, + 0x5AC: 84, + 0x5AD: 84, + 0x5AE: 84, + 0x5AF: 84, + 0x5B0: 84, + 0x5B1: 84, + 0x5B2: 84, + 0x5B3: 84, + 0x5B4: 84, + 0x5B5: 84, + 0x5B6: 84, + 0x5B7: 84, + 0x5B8: 84, + 0x5B9: 84, + 0x5BA: 84, + 0x5BB: 84, + 0x5BC: 84, + 0x5BD: 84, + 0x5BF: 84, + 0x5C1: 84, + 0x5C2: 84, + 0x5C4: 84, 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b/venv/lib/python3.12/site-packages/idna/intranges.py new file mode 100644 index 0000000..7bfaa8d --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna/intranges.py @@ -0,0 +1,57 @@ +""" +Given a list of integers, made up of (hopefully) a small number of long runs +of consecutive integers, compute a representation of the form +((start1, end1), (start2, end2) ...). Then answer the question "was x present +in the original list?" in time O(log(# runs)). +""" + +import bisect +from typing import List, Tuple + + +def intranges_from_list(list_: List[int]) -> Tuple[int, ...]: + """Represent a list of integers as a sequence of ranges: + ((start_0, end_0), (start_1, end_1), ...), such that the original + integers are exactly those x such that start_i <= x < end_i for some i. + + Ranges are encoded as single integers (start << 32 | end), not as tuples. + """ + + sorted_list = sorted(list_) + ranges = [] + last_write = -1 + for i in range(len(sorted_list)): + if i + 1 < len(sorted_list): + if sorted_list[i] == sorted_list[i + 1] - 1: + continue + current_range = sorted_list[last_write + 1 : i + 1] + ranges.append(_encode_range(current_range[0], current_range[-1] + 1)) + last_write = i + + return tuple(ranges) + + +def _encode_range(start: int, end: int) -> int: + return (start << 32) | end + + +def _decode_range(r: int) -> Tuple[int, int]: + return (r >> 32), (r & ((1 << 32) - 1)) + + +def intranges_contain(int_: int, ranges: Tuple[int, ...]) -> bool: + """Determine if `int_` falls into one of the ranges in `ranges`.""" + tuple_ = _encode_range(int_, 0) + pos = bisect.bisect_left(ranges, tuple_) + # we could be immediately ahead of a tuple (start, end) + # with start < int_ <= end + if pos > 0: + left, right = _decode_range(ranges[pos - 1]) + if left <= int_ < right: + return True + # or we could be immediately behind a tuple (int_, end) + if pos < len(ranges): + left, _ = _decode_range(ranges[pos]) + if left == int_: + return True + return False diff --git a/venv/lib/python3.12/site-packages/idna/package_data.py b/venv/lib/python3.12/site-packages/idna/package_data.py new file mode 100644 index 0000000..514ff7e --- /dev/null +++ b/venv/lib/python3.12/site-packages/idna/package_data.py @@ -0,0 +1 @@ +__version__ = "3.10" diff --git a/venv/lib/python3.12/site-packages/idna/py.typed b/venv/lib/python3.12/site-packages/idna/py.typed new 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"M", "𪘀"), + (0x2FA1E, "X"), + (0x30000, "V"), + (0x3134B, "X"), + (0x31350, "V"), + (0x323B0, "X"), + (0xE0100, "I"), + (0xE01F0, "X"), + ] + + +uts46data = tuple( + _seg_0() + + _seg_1() + + _seg_2() + + _seg_3() + + _seg_4() + + _seg_5() + + _seg_6() + + _seg_7() + + _seg_8() + + _seg_9() + + _seg_10() + + _seg_11() + + _seg_12() + + _seg_13() + + _seg_14() + + _seg_15() + + _seg_16() + + _seg_17() + + _seg_18() + + _seg_19() + + _seg_20() + + _seg_21() + + _seg_22() + + _seg_23() + + _seg_24() + + _seg_25() + + _seg_26() + + _seg_27() + + _seg_28() + + _seg_29() + + _seg_30() + + _seg_31() + + _seg_32() + + _seg_33() + + _seg_34() + + _seg_35() + + _seg_36() + + _seg_37() + + _seg_38() + + _seg_39() + + _seg_40() + + _seg_41() + + _seg_42() + + _seg_43() + + _seg_44() + + _seg_45() + + _seg_46() + + _seg_47() + + _seg_48() + + _seg_49() + + _seg_50() + + _seg_51() + + _seg_52() + + _seg_53() + + _seg_54() + + _seg_55() + + _seg_56() + + _seg_57() + + _seg_58() + + _seg_59() + + _seg_60() + + _seg_61() + + _seg_62() + + _seg_63() + + _seg_64() + + _seg_65() + + _seg_66() + + _seg_67() + + _seg_68() + + _seg_69() + + _seg_70() + + _seg_71() + + _seg_72() + + _seg_73() + + _seg_74() + + _seg_75() + + _seg_76() + + _seg_77() + + _seg_78() + + _seg_79() + + _seg_80() + + _seg_81() +) # type: Tuple[Union[Tuple[int, str], Tuple[int, str, str]], ...] diff --git a/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/INSTALLER b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/LICENSE.rst b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/LICENSE.rst new file mode 100644 index 0000000..7b190ca --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2011 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/METADATA b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/METADATA new file mode 100644 index 0000000..1d935ed --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/METADATA @@ -0,0 +1,97 @@ +Metadata-Version: 2.1 +Name: itsdangerous +Version: 2.1.2 +Summary: Safely pass data to untrusted environments and back. +Home-page: https://palletsprojects.com/p/itsdangerous/ +Author: Armin Ronacher +Author-email: armin.ronacher@active-4.com +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://itsdangerous.palletsprojects.com/ +Project-URL: Changes, https://itsdangerous.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/itsdangerous/ +Project-URL: Issue Tracker, https://github.com/pallets/itsdangerous/issues/ +Project-URL: Twitter, https://twitter.com/PalletsTeam +Project-URL: Chat, https://discord.gg/pallets +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Requires-Python: >=3.7 +Description-Content-Type: text/x-rst +License-File: LICENSE.rst + +ItsDangerous +============ + +... so better sign this + +Various helpers to pass data to untrusted environments and to get it +back safe and sound. Data is cryptographically signed to ensure that a +token has not been tampered with. + +It's possible to customize how data is serialized. Data is compressed as +needed. A timestamp can be added and verified automatically while +loading a token. + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + pip install -U itsdangerous + +.. _pip: https://pip.pypa.io/en/stable/getting-started/ + + +A Simple Example +---------------- + +Here's how you could generate a token for transmitting a user's id and +name between web requests. + +.. code-block:: python + + from itsdangerous import URLSafeSerializer + auth_s = URLSafeSerializer("secret key", "auth") + token = auth_s.dumps({"id": 5, "name": "itsdangerous"}) + + print(token) + # eyJpZCI6NSwibmFtZSI6Iml0c2Rhbmdlcm91cyJ9.6YP6T0BaO67XP--9UzTrmurXSmg + + data = auth_s.loads(token) + print(data["name"]) + # itsdangerous + + +Donate +------ + +The Pallets organization develops and supports ItsDangerous and other +popular packages. In order to grow the community of contributors and +users, and allow the maintainers to devote more time to the projects, +`please donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://itsdangerous.palletsprojects.com/ +- Changes: https://itsdangerous.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/ItsDangerous/ +- Source Code: https://github.com/pallets/itsdangerous/ +- Issue Tracker: https://github.com/pallets/itsdangerous/issues/ +- Website: https://palletsprojects.com/p/itsdangerous/ +- Twitter: https://twitter.com/PalletsTeam +- Chat: https://discord.gg/pallets + + diff --git a/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/RECORD b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/RECORD new file mode 100644 index 0000000..cbc8620 --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/RECORD @@ -0,0 +1,24 @@ 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a/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/WHEEL b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/WHEEL new file mode 100644 index 0000000..becc9a6 --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.37.1) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/top_level.txt b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/top_level.txt new file mode 100644 index 0000000..e163955 --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous-2.1.2.dist-info/top_level.txt @@ -0,0 +1 @@ +itsdangerous diff --git a/venv/lib/python3.12/site-packages/itsdangerous/__init__.py b/venv/lib/python3.12/site-packages/itsdangerous/__init__.py new file mode 100644 index 0000000..fdb2dfd --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous/__init__.py @@ -0,0 +1,19 @@ +from .encoding import base64_decode as base64_decode +from .encoding import base64_encode as base64_encode +from .encoding import want_bytes as want_bytes +from .exc import BadData as BadData +from .exc import BadHeader as BadHeader +from .exc import BadPayload as BadPayload +from .exc import BadSignature as BadSignature +from .exc import BadTimeSignature as BadTimeSignature +from .exc import SignatureExpired as SignatureExpired +from .serializer import Serializer as Serializer +from .signer import HMACAlgorithm as HMACAlgorithm +from .signer import NoneAlgorithm as NoneAlgorithm +from .signer import Signer as Signer +from .timed import TimedSerializer as TimedSerializer +from .timed import TimestampSigner as TimestampSigner +from .url_safe import URLSafeSerializer as URLSafeSerializer +from .url_safe import URLSafeTimedSerializer as URLSafeTimedSerializer + +__version__ = "2.1.2" diff --git a/venv/lib/python3.12/site-packages/itsdangerous/__pycache__/__init__.cpython-312.pyc 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b/venv/lib/python3.12/site-packages/itsdangerous/_json.py @@ -0,0 +1,16 @@ +import json as _json +import typing as _t + + +class _CompactJSON: + """Wrapper around json module that strips whitespace.""" + + @staticmethod + def loads(payload: _t.Union[str, bytes]) -> _t.Any: + return _json.loads(payload) + + @staticmethod + def dumps(obj: _t.Any, **kwargs: _t.Any) -> str: + kwargs.setdefault("ensure_ascii", False) + kwargs.setdefault("separators", (",", ":")) + return _json.dumps(obj, **kwargs) diff --git a/venv/lib/python3.12/site-packages/itsdangerous/encoding.py b/venv/lib/python3.12/site-packages/itsdangerous/encoding.py new file mode 100644 index 0000000..edb04d1 --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous/encoding.py @@ -0,0 +1,54 @@ +import base64 +import string +import struct +import typing as _t + +from .exc import BadData + +_t_str_bytes = _t.Union[str, bytes] + + +def want_bytes( + s: _t_str_bytes, encoding: str = "utf-8", errors: str = "strict" +) -> bytes: + if isinstance(s, str): + s = s.encode(encoding, errors) + + return s + + +def base64_encode(string: _t_str_bytes) -> bytes: + """Base64 encode a string of bytes or text. The resulting bytes are + safe to use in URLs. + """ + string = want_bytes(string) + return base64.urlsafe_b64encode(string).rstrip(b"=") + + +def base64_decode(string: _t_str_bytes) -> bytes: + """Base64 decode a URL-safe string of bytes or text. The result is + bytes. + """ + string = want_bytes(string, encoding="ascii", errors="ignore") + string += b"=" * (-len(string) % 4) + + try: + return base64.urlsafe_b64decode(string) + except (TypeError, ValueError) as e: + raise BadData("Invalid base64-encoded data") from e + + +# The alphabet used by base64.urlsafe_* +_base64_alphabet = f"{string.ascii_letters}{string.digits}-_=".encode("ascii") + +_int64_struct = struct.Struct(">Q") +_int_to_bytes = _int64_struct.pack +_bytes_to_int = _t.cast("_t.Callable[[bytes], _t.Tuple[int]]", _int64_struct.unpack) + + +def int_to_bytes(num: int) -> bytes: + return _int_to_bytes(num).lstrip(b"\x00") + + +def bytes_to_int(bytestr: bytes) -> int: + return _bytes_to_int(bytestr.rjust(8, b"\x00"))[0] diff --git a/venv/lib/python3.12/site-packages/itsdangerous/exc.py b/venv/lib/python3.12/site-packages/itsdangerous/exc.py new file mode 100644 index 0000000..c38a6af --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous/exc.py @@ -0,0 +1,107 @@ +import typing as _t +from datetime import datetime + +_t_opt_any = _t.Optional[_t.Any] +_t_opt_exc = _t.Optional[Exception] + + +class BadData(Exception): + """Raised if bad data of any sort was encountered. This is the base + for all exceptions that ItsDangerous defines. + + .. versionadded:: 0.15 + """ + + def __init__(self, message: str): + super().__init__(message) + self.message = message + + def __str__(self) -> str: + return self.message + + +class BadSignature(BadData): + """Raised if a signature does not match.""" + + def __init__(self, message: str, payload: _t_opt_any = None): + super().__init__(message) + + #: The payload that failed the signature test. In some + #: situations you might still want to inspect this, even if + #: you know it was tampered with. + #: + #: .. versionadded:: 0.14 + self.payload: _t_opt_any = payload + + +class BadTimeSignature(BadSignature): + """Raised if a time-based signature is invalid. This is a subclass + of :class:`BadSignature`. + """ + + def __init__( + self, + message: str, + payload: _t_opt_any = None, + date_signed: _t.Optional[datetime] = None, + ): + super().__init__(message, payload) + + #: If the signature expired this exposes the date of when the + #: signature was created. This can be helpful in order to + #: tell the user how long a link has been gone stale. + #: + #: .. versionchanged:: 2.0 + #: The datetime value is timezone-aware rather than naive. + #: + #: .. versionadded:: 0.14 + self.date_signed = date_signed + + +class SignatureExpired(BadTimeSignature): + """Raised if a signature timestamp is older than ``max_age``. This + is a subclass of :exc:`BadTimeSignature`. + """ + + +class BadHeader(BadSignature): + """Raised if a signed header is invalid in some form. This only + happens for serializers that have a header that goes with the + signature. + + .. versionadded:: 0.24 + """ + + def __init__( + self, + message: str, + payload: _t_opt_any = None, + header: _t_opt_any = None, + original_error: _t_opt_exc = None, + ): + super().__init__(message, payload) + + #: If the header is actually available but just malformed it + #: might be stored here. + self.header: _t_opt_any = header + + #: If available, the error that indicates why the payload was + #: not valid. This might be ``None``. + self.original_error: _t_opt_exc = original_error + + +class BadPayload(BadData): + """Raised if a payload is invalid. This could happen if the payload + is loaded despite an invalid signature, or if there is a mismatch + between the serializer and deserializer. The original exception + that occurred during loading is stored on as :attr:`original_error`. + + .. versionadded:: 0.15 + """ + + def __init__(self, message: str, original_error: _t_opt_exc = None): + super().__init__(message) + + #: If available, the error that indicates why the payload was + #: not valid. This might be ``None``. + self.original_error: _t_opt_exc = original_error diff --git a/venv/lib/python3.12/site-packages/itsdangerous/py.typed b/venv/lib/python3.12/site-packages/itsdangerous/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/venv/lib/python3.12/site-packages/itsdangerous/serializer.py b/venv/lib/python3.12/site-packages/itsdangerous/serializer.py new file mode 100644 index 0000000..9f4a84a --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous/serializer.py @@ -0,0 +1,295 @@ +import json +import typing as _t + +from .encoding import want_bytes +from .exc import BadPayload +from .exc import BadSignature +from .signer import _make_keys_list +from .signer import Signer + +_t_str_bytes = _t.Union[str, bytes] +_t_opt_str_bytes = _t.Optional[_t_str_bytes] +_t_kwargs = _t.Dict[str, _t.Any] +_t_opt_kwargs = _t.Optional[_t_kwargs] +_t_signer = _t.Type[Signer] +_t_fallbacks = _t.List[_t.Union[_t_kwargs, _t.Tuple[_t_signer, _t_kwargs], _t_signer]] +_t_load_unsafe = _t.Tuple[bool, _t.Any] +_t_secret_key = _t.Union[_t.Iterable[_t_str_bytes], _t_str_bytes] + + +def is_text_serializer(serializer: _t.Any) -> bool: + """Checks whether a serializer generates text or binary.""" + return isinstance(serializer.dumps({}), str) + + +class Serializer: + """A serializer wraps a :class:`~itsdangerous.signer.Signer` to + enable serializing and securely signing data other than bytes. It + can unsign to verify that the data hasn't been changed. + + The serializer provides :meth:`dumps` and :meth:`loads`, similar to + :mod:`json`, and by default uses :mod:`json` internally to serialize + the data to bytes. + + The secret key should be a random string of ``bytes`` and should not + be saved to code or version control. Different salts should be used + to distinguish signing in different contexts. See :doc:`/concepts` + for information about the security of the secret key and salt. + + :param secret_key: The secret key to sign and verify with. Can be a + list of keys, oldest to newest, to support key rotation. + :param salt: Extra key to combine with ``secret_key`` to distinguish + signatures in different contexts. + :param serializer: An object that provides ``dumps`` and ``loads`` + methods for serializing data to a string. Defaults to + :attr:`default_serializer`, which defaults to :mod:`json`. + :param serializer_kwargs: Keyword arguments to pass when calling + ``serializer.dumps``. + :param signer: A ``Signer`` class to instantiate when signing data. + Defaults to :attr:`default_signer`, which defaults to + :class:`~itsdangerous.signer.Signer`. + :param signer_kwargs: Keyword arguments to pass when instantiating + the ``Signer`` class. + :param fallback_signers: List of signer parameters to try when + unsigning with the default signer fails. Each item can be a dict + of ``signer_kwargs``, a ``Signer`` class, or a tuple of + ``(signer, signer_kwargs)``. Defaults to + :attr:`default_fallback_signers`. + + .. versionchanged:: 2.0 + Added support for key rotation by passing a list to + ``secret_key``. + + .. versionchanged:: 2.0 + Removed the default SHA-512 fallback signer from + ``default_fallback_signers``. + + .. versionchanged:: 1.1 + Added support for ``fallback_signers`` and configured a default + SHA-512 fallback. This fallback is for users who used the yanked + 1.0.0 release which defaulted to SHA-512. + + .. versionchanged:: 0.14 + The ``signer`` and ``signer_kwargs`` parameters were added to + the constructor. + """ + + #: The default serialization module to use to serialize data to a + #: string internally. The default is :mod:`json`, but can be changed + #: to any object that provides ``dumps`` and ``loads`` methods. + default_serializer: _t.Any = json + + #: The default ``Signer`` class to instantiate when signing data. + #: The default is :class:`itsdangerous.signer.Signer`. + default_signer: _t_signer = Signer + + #: The default fallback signers to try when unsigning fails. + default_fallback_signers: _t_fallbacks = [] + + def __init__( + self, + secret_key: _t_secret_key, + salt: _t_opt_str_bytes = b"itsdangerous", + serializer: _t.Any = None, + serializer_kwargs: _t_opt_kwargs = None, + signer: _t.Optional[_t_signer] = None, + signer_kwargs: _t_opt_kwargs = None, + fallback_signers: _t.Optional[_t_fallbacks] = None, + ): + #: The list of secret keys to try for verifying signatures, from + #: oldest to newest. The newest (last) key is used for signing. + #: + #: This allows a key rotation system to keep a list of allowed + #: keys and remove expired ones. + self.secret_keys: _t.List[bytes] = _make_keys_list(secret_key) + + if salt is not None: + salt = want_bytes(salt) + # if salt is None then the signer's default is used + + self.salt = salt + + if serializer is None: + serializer = self.default_serializer + + self.serializer: _t.Any = serializer + self.is_text_serializer: bool = is_text_serializer(serializer) + + if signer is None: + signer = self.default_signer + + self.signer: _t_signer = signer + self.signer_kwargs: _t_kwargs = signer_kwargs or {} + + if fallback_signers is None: + fallback_signers = list(self.default_fallback_signers or ()) + + self.fallback_signers: _t_fallbacks = fallback_signers + self.serializer_kwargs: _t_kwargs = serializer_kwargs or {} + + @property + def secret_key(self) -> bytes: + """The newest (last) entry in the :attr:`secret_keys` list. This + is for compatibility from before key rotation support was added. + """ + return self.secret_keys[-1] + + def load_payload( + self, payload: bytes, serializer: _t.Optional[_t.Any] = None + ) -> _t.Any: + """Loads the encoded object. This function raises + :class:`.BadPayload` if the payload is not valid. The + ``serializer`` parameter can be used to override the serializer + stored on the class. The encoded ``payload`` should always be + bytes. + """ + if serializer is None: + serializer = self.serializer + is_text = self.is_text_serializer + else: + is_text = is_text_serializer(serializer) + + try: + if is_text: + return serializer.loads(payload.decode("utf-8")) + + return serializer.loads(payload) + except Exception as e: + raise BadPayload( + "Could not load the payload because an exception" + " occurred on unserializing the data.", + original_error=e, + ) from e + + def dump_payload(self, obj: _t.Any) -> bytes: + """Dumps the encoded object. The return value is always bytes. + If the internal serializer returns text, the value will be + encoded as UTF-8. + """ + return want_bytes(self.serializer.dumps(obj, **self.serializer_kwargs)) + + def make_signer(self, salt: _t_opt_str_bytes = None) -> Signer: + """Creates a new instance of the signer to be used. The default + implementation uses the :class:`.Signer` base class. + """ + if salt is None: + salt = self.salt + + return self.signer(self.secret_keys, salt=salt, **self.signer_kwargs) + + def iter_unsigners(self, salt: _t_opt_str_bytes = None) -> _t.Iterator[Signer]: + """Iterates over all signers to be tried for unsigning. Starts + with the configured signer, then constructs each signer + specified in ``fallback_signers``. + """ + if salt is None: + salt = self.salt + + yield self.make_signer(salt) + + for fallback in self.fallback_signers: + if isinstance(fallback, dict): + kwargs = fallback + fallback = self.signer + elif isinstance(fallback, tuple): + fallback, kwargs = fallback + else: + kwargs = self.signer_kwargs + + for secret_key in self.secret_keys: + yield fallback(secret_key, salt=salt, **kwargs) + + def dumps(self, obj: _t.Any, salt: _t_opt_str_bytes = None) -> _t_str_bytes: + """Returns a signed string serialized with the internal + serializer. The return value can be either a byte or unicode + string depending on the format of the internal serializer. + """ + payload = want_bytes(self.dump_payload(obj)) + rv = self.make_signer(salt).sign(payload) + + if self.is_text_serializer: + return rv.decode("utf-8") + + return rv + + def dump(self, obj: _t.Any, f: _t.IO, salt: _t_opt_str_bytes = None) -> None: + """Like :meth:`dumps` but dumps into a file. The file handle has + to be compatible with what the internal serializer expects. + """ + f.write(self.dumps(obj, salt)) + + def loads( + self, s: _t_str_bytes, salt: _t_opt_str_bytes = None, **kwargs: _t.Any + ) -> _t.Any: + """Reverse of :meth:`dumps`. Raises :exc:`.BadSignature` if the + signature validation fails. + """ + s = want_bytes(s) + last_exception = None + + for signer in self.iter_unsigners(salt): + try: + return self.load_payload(signer.unsign(s)) + except BadSignature as err: + last_exception = err + + raise _t.cast(BadSignature, last_exception) + + def load(self, f: _t.IO, salt: _t_opt_str_bytes = None) -> _t.Any: + """Like :meth:`loads` but loads from a file.""" + return self.loads(f.read(), salt) + + def loads_unsafe( + self, s: _t_str_bytes, salt: _t_opt_str_bytes = None + ) -> _t_load_unsafe: + """Like :meth:`loads` but without verifying the signature. This + is potentially very dangerous to use depending on how your + serializer works. The return value is ``(signature_valid, + payload)`` instead of just the payload. The first item will be a + boolean that indicates if the signature is valid. This function + never fails. + + Use it for debugging only and if you know that your serializer + module is not exploitable (for example, do not use it with a + pickle serializer). + + .. versionadded:: 0.15 + """ + return self._loads_unsafe_impl(s, salt) + + def _loads_unsafe_impl( + self, + s: _t_str_bytes, + salt: _t_opt_str_bytes, + load_kwargs: _t_opt_kwargs = None, + load_payload_kwargs: _t_opt_kwargs = None, + ) -> _t_load_unsafe: + """Low level helper function to implement :meth:`loads_unsafe` + in serializer subclasses. + """ + if load_kwargs is None: + load_kwargs = {} + + try: + return True, self.loads(s, salt=salt, **load_kwargs) + except BadSignature as e: + if e.payload is None: + return False, None + + if load_payload_kwargs is None: + load_payload_kwargs = {} + + try: + return ( + False, + self.load_payload(e.payload, **load_payload_kwargs), + ) + except BadPayload: + return False, None + + def load_unsafe(self, f: _t.IO, salt: _t_opt_str_bytes = None) -> _t_load_unsafe: + """Like :meth:`loads_unsafe` but loads from a file. + + .. versionadded:: 0.15 + """ + return self.loads_unsafe(f.read(), salt=salt) diff --git a/venv/lib/python3.12/site-packages/itsdangerous/signer.py b/venv/lib/python3.12/site-packages/itsdangerous/signer.py new file mode 100644 index 0000000..aa12005 --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous/signer.py @@ -0,0 +1,257 @@ +import hashlib +import hmac +import typing as _t + +from .encoding import _base64_alphabet +from .encoding import base64_decode +from .encoding import base64_encode +from .encoding import want_bytes +from .exc import BadSignature + +_t_str_bytes = _t.Union[str, bytes] +_t_opt_str_bytes = _t.Optional[_t_str_bytes] +_t_secret_key = _t.Union[_t.Iterable[_t_str_bytes], _t_str_bytes] + + +class SigningAlgorithm: + """Subclasses must implement :meth:`get_signature` to provide + signature generation functionality. + """ + + def get_signature(self, key: bytes, value: bytes) -> bytes: + """Returns the signature for the given key and value.""" + raise NotImplementedError() + + def verify_signature(self, key: bytes, value: bytes, sig: bytes) -> bool: + """Verifies the given signature matches the expected + signature. + """ + return hmac.compare_digest(sig, self.get_signature(key, value)) + + +class NoneAlgorithm(SigningAlgorithm): + """Provides an algorithm that does not perform any signing and + returns an empty signature. + """ + + def get_signature(self, key: bytes, value: bytes) -> bytes: + return b"" + + +class HMACAlgorithm(SigningAlgorithm): + """Provides signature generation using HMACs.""" + + #: The digest method to use with the MAC algorithm. This defaults to + #: SHA1, but can be changed to any other function in the hashlib + #: module. + default_digest_method: _t.Any = staticmethod(hashlib.sha1) + + def __init__(self, digest_method: _t.Any = None): + if digest_method is None: + digest_method = self.default_digest_method + + self.digest_method: _t.Any = digest_method + + def get_signature(self, key: bytes, value: bytes) -> bytes: + mac = hmac.new(key, msg=value, digestmod=self.digest_method) + return mac.digest() + + +def _make_keys_list(secret_key: _t_secret_key) -> _t.List[bytes]: + if isinstance(secret_key, (str, bytes)): + return [want_bytes(secret_key)] + + return [want_bytes(s) for s in secret_key] + + +class Signer: + """A signer securely signs bytes, then unsigns them to verify that + the value hasn't been changed. + + The secret key should be a random string of ``bytes`` and should not + be saved to code or version control. Different salts should be used + to distinguish signing in different contexts. See :doc:`/concepts` + for information about the security of the secret key and salt. + + :param secret_key: The secret key to sign and verify with. Can be a + list of keys, oldest to newest, to support key rotation. + :param salt: Extra key to combine with ``secret_key`` to distinguish + signatures in different contexts. + :param sep: Separator between the signature and value. + :param key_derivation: How to derive the signing key from the secret + key and salt. Possible values are ``concat``, ``django-concat``, + or ``hmac``. Defaults to :attr:`default_key_derivation`, which + defaults to ``django-concat``. + :param digest_method: Hash function to use when generating the HMAC + signature. Defaults to :attr:`default_digest_method`, which + defaults to :func:`hashlib.sha1`. Note that the security of the + hash alone doesn't apply when used intermediately in HMAC. + :param algorithm: A :class:`SigningAlgorithm` instance to use + instead of building a default :class:`HMACAlgorithm` with the + ``digest_method``. + + .. versionchanged:: 2.0 + Added support for key rotation by passing a list to + ``secret_key``. + + .. versionchanged:: 0.18 + ``algorithm`` was added as an argument to the class constructor. + + .. versionchanged:: 0.14 + ``key_derivation`` and ``digest_method`` were added as arguments + to the class constructor. + """ + + #: The default digest method to use for the signer. The default is + #: :func:`hashlib.sha1`, but can be changed to any :mod:`hashlib` or + #: compatible object. Note that the security of the hash alone + #: doesn't apply when used intermediately in HMAC. + #: + #: .. versionadded:: 0.14 + default_digest_method: _t.Any = staticmethod(hashlib.sha1) + + #: The default scheme to use to derive the signing key from the + #: secret key and salt. The default is ``django-concat``. Possible + #: values are ``concat``, ``django-concat``, and ``hmac``. + #: + #: .. versionadded:: 0.14 + default_key_derivation: str = "django-concat" + + def __init__( + self, + secret_key: _t_secret_key, + salt: _t_opt_str_bytes = b"itsdangerous.Signer", + sep: _t_str_bytes = b".", + key_derivation: _t.Optional[str] = None, + digest_method: _t.Optional[_t.Any] = None, + algorithm: _t.Optional[SigningAlgorithm] = None, + ): + #: The list of secret keys to try for verifying signatures, from + #: oldest to newest. The newest (last) key is used for signing. + #: + #: This allows a key rotation system to keep a list of allowed + #: keys and remove expired ones. + self.secret_keys: _t.List[bytes] = _make_keys_list(secret_key) + self.sep: bytes = want_bytes(sep) + + if self.sep in _base64_alphabet: + raise ValueError( + "The given separator cannot be used because it may be" + " contained in the signature itself. ASCII letters," + " digits, and '-_=' must not be used." + ) + + if salt is not None: + salt = want_bytes(salt) + else: + salt = b"itsdangerous.Signer" + + self.salt = salt + + if key_derivation is None: + key_derivation = self.default_key_derivation + + self.key_derivation: str = key_derivation + + if digest_method is None: + digest_method = self.default_digest_method + + self.digest_method: _t.Any = digest_method + + if algorithm is None: + algorithm = HMACAlgorithm(self.digest_method) + + self.algorithm: SigningAlgorithm = algorithm + + @property + def secret_key(self) -> bytes: + """The newest (last) entry in the :attr:`secret_keys` list. This + is for compatibility from before key rotation support was added. + """ + return self.secret_keys[-1] + + def derive_key(self, secret_key: _t_opt_str_bytes = None) -> bytes: + """This method is called to derive the key. The default key + derivation choices can be overridden here. Key derivation is not + intended to be used as a security method to make a complex key + out of a short password. Instead you should use large random + secret keys. + + :param secret_key: A specific secret key to derive from. + Defaults to the last item in :attr:`secret_keys`. + + .. versionchanged:: 2.0 + Added the ``secret_key`` parameter. + """ + if secret_key is None: + secret_key = self.secret_keys[-1] + else: + secret_key = want_bytes(secret_key) + + if self.key_derivation == "concat": + return _t.cast(bytes, self.digest_method(self.salt + secret_key).digest()) + elif self.key_derivation == "django-concat": + return _t.cast( + bytes, self.digest_method(self.salt + b"signer" + secret_key).digest() + ) + elif self.key_derivation == "hmac": + mac = hmac.new(secret_key, digestmod=self.digest_method) + mac.update(self.salt) + return mac.digest() + elif self.key_derivation == "none": + return secret_key + else: + raise TypeError("Unknown key derivation method") + + def get_signature(self, value: _t_str_bytes) -> bytes: + """Returns the signature for the given value.""" + value = want_bytes(value) + key = self.derive_key() + sig = self.algorithm.get_signature(key, value) + return base64_encode(sig) + + def sign(self, value: _t_str_bytes) -> bytes: + """Signs the given string.""" + value = want_bytes(value) + return value + self.sep + self.get_signature(value) + + def verify_signature(self, value: _t_str_bytes, sig: _t_str_bytes) -> bool: + """Verifies the signature for the given value.""" + try: + sig = base64_decode(sig) + except Exception: + return False + + value = want_bytes(value) + + for secret_key in reversed(self.secret_keys): + key = self.derive_key(secret_key) + + if self.algorithm.verify_signature(key, value, sig): + return True + + return False + + def unsign(self, signed_value: _t_str_bytes) -> bytes: + """Unsigns the given string.""" + signed_value = want_bytes(signed_value) + + if self.sep not in signed_value: + raise BadSignature(f"No {self.sep!r} found in value") + + value, sig = signed_value.rsplit(self.sep, 1) + + if self.verify_signature(value, sig): + return value + + raise BadSignature(f"Signature {sig!r} does not match", payload=value) + + def validate(self, signed_value: _t_str_bytes) -> bool: + """Only validates the given signed value. Returns ``True`` if + the signature exists and is valid. + """ + try: + self.unsign(signed_value) + return True + except BadSignature: + return False diff --git a/venv/lib/python3.12/site-packages/itsdangerous/timed.py b/venv/lib/python3.12/site-packages/itsdangerous/timed.py new file mode 100644 index 0000000..cad8da3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous/timed.py @@ -0,0 +1,234 @@ +import time +import typing +import typing as _t +from datetime import datetime +from datetime import timezone + +from .encoding import base64_decode +from .encoding import base64_encode +from .encoding import bytes_to_int +from .encoding import int_to_bytes +from .encoding import want_bytes +from .exc import BadSignature +from .exc import BadTimeSignature +from .exc import SignatureExpired +from .serializer import Serializer +from .signer import Signer + +_t_str_bytes = _t.Union[str, bytes] +_t_opt_str_bytes = _t.Optional[_t_str_bytes] +_t_opt_int = _t.Optional[int] + +if _t.TYPE_CHECKING: + import typing_extensions as _te + + +class TimestampSigner(Signer): + """Works like the regular :class:`.Signer` but also records the time + of the signing and can be used to expire signatures. The + :meth:`unsign` method can raise :exc:`.SignatureExpired` if the + unsigning failed because the signature is expired. + """ + + def get_timestamp(self) -> int: + """Returns the current timestamp. The function must return an + integer. + """ + return int(time.time()) + + def timestamp_to_datetime(self, ts: int) -> datetime: + """Convert the timestamp from :meth:`get_timestamp` into an + aware :class`datetime.datetime` in UTC. + + .. versionchanged:: 2.0 + The timestamp is returned as a timezone-aware ``datetime`` + in UTC rather than a naive ``datetime`` assumed to be UTC. + """ + return datetime.fromtimestamp(ts, tz=timezone.utc) + + def sign(self, value: _t_str_bytes) -> bytes: + """Signs the given string and also attaches time information.""" + value = want_bytes(value) + timestamp = base64_encode(int_to_bytes(self.get_timestamp())) + sep = want_bytes(self.sep) + value = value + sep + timestamp + return value + sep + self.get_signature(value) + + # Ignore overlapping signatures check, return_timestamp is the only + # parameter that affects the return type. + + @typing.overload + def unsign( # type: ignore + self, + signed_value: _t_str_bytes, + max_age: _t_opt_int = None, + return_timestamp: "_te.Literal[False]" = False, + ) -> bytes: + ... + + @typing.overload + def unsign( + self, + signed_value: _t_str_bytes, + max_age: _t_opt_int = None, + return_timestamp: "_te.Literal[True]" = True, + ) -> _t.Tuple[bytes, datetime]: + ... + + def unsign( + self, + signed_value: _t_str_bytes, + max_age: _t_opt_int = None, + return_timestamp: bool = False, + ) -> _t.Union[_t.Tuple[bytes, datetime], bytes]: + """Works like the regular :meth:`.Signer.unsign` but can also + validate the time. See the base docstring of the class for + the general behavior. If ``return_timestamp`` is ``True`` the + timestamp of the signature will be returned as an aware + :class:`datetime.datetime` object in UTC. + + .. versionchanged:: 2.0 + The timestamp is returned as a timezone-aware ``datetime`` + in UTC rather than a naive ``datetime`` assumed to be UTC. + """ + try: + result = super().unsign(signed_value) + sig_error = None + except BadSignature as e: + sig_error = e + result = e.payload or b"" + + sep = want_bytes(self.sep) + + # If there is no timestamp in the result there is something + # seriously wrong. In case there was a signature error, we raise + # that one directly, otherwise we have a weird situation in + # which we shouldn't have come except someone uses a time-based + # serializer on non-timestamp data, so catch that. + if sep not in result: + if sig_error: + raise sig_error + + raise BadTimeSignature("timestamp missing", payload=result) + + value, ts_bytes = result.rsplit(sep, 1) + ts_int: _t_opt_int = None + ts_dt: _t.Optional[datetime] = None + + try: + ts_int = bytes_to_int(base64_decode(ts_bytes)) + except Exception: + pass + + # Signature is *not* okay. Raise a proper error now that we have + # split the value and the timestamp. + if sig_error is not None: + if ts_int is not None: + try: + ts_dt = self.timestamp_to_datetime(ts_int) + except (ValueError, OSError, OverflowError) as exc: + # Windows raises OSError + # 32-bit raises OverflowError + raise BadTimeSignature( + "Malformed timestamp", payload=value + ) from exc + + raise BadTimeSignature(str(sig_error), payload=value, date_signed=ts_dt) + + # Signature was okay but the timestamp is actually not there or + # malformed. Should not happen, but we handle it anyway. + if ts_int is None: + raise BadTimeSignature("Malformed timestamp", payload=value) + + # Check timestamp is not older than max_age + if max_age is not None: + age = self.get_timestamp() - ts_int + + if age > max_age: + raise SignatureExpired( + f"Signature age {age} > {max_age} seconds", + payload=value, + date_signed=self.timestamp_to_datetime(ts_int), + ) + + if age < 0: + raise SignatureExpired( + f"Signature age {age} < 0 seconds", + payload=value, + date_signed=self.timestamp_to_datetime(ts_int), + ) + + if return_timestamp: + return value, self.timestamp_to_datetime(ts_int) + + return value + + def validate(self, signed_value: _t_str_bytes, max_age: _t_opt_int = None) -> bool: + """Only validates the given signed value. Returns ``True`` if + the signature exists and is valid.""" + try: + self.unsign(signed_value, max_age=max_age) + return True + except BadSignature: + return False + + +class TimedSerializer(Serializer): + """Uses :class:`TimestampSigner` instead of the default + :class:`.Signer`. + """ + + default_signer: _t.Type[TimestampSigner] = TimestampSigner + + def iter_unsigners( + self, salt: _t_opt_str_bytes = None + ) -> _t.Iterator[TimestampSigner]: + return _t.cast("_t.Iterator[TimestampSigner]", super().iter_unsigners(salt)) + + # TODO: Signature is incompatible because parameters were added + # before salt. + + def loads( # type: ignore + self, + s: _t_str_bytes, + max_age: _t_opt_int = None, + return_timestamp: bool = False, + salt: _t_opt_str_bytes = None, + ) -> _t.Any: + """Reverse of :meth:`dumps`, raises :exc:`.BadSignature` if the + signature validation fails. If a ``max_age`` is provided it will + ensure the signature is not older than that time in seconds. In + case the signature is outdated, :exc:`.SignatureExpired` is + raised. All arguments are forwarded to the signer's + :meth:`~TimestampSigner.unsign` method. + """ + s = want_bytes(s) + last_exception = None + + for signer in self.iter_unsigners(salt): + try: + base64d, timestamp = signer.unsign( + s, max_age=max_age, return_timestamp=True + ) + payload = self.load_payload(base64d) + + if return_timestamp: + return payload, timestamp + + return payload + except SignatureExpired: + # The signature was unsigned successfully but was + # expired. Do not try the next signer. + raise + except BadSignature as err: + last_exception = err + + raise _t.cast(BadSignature, last_exception) + + def loads_unsafe( # type: ignore + self, + s: _t_str_bytes, + max_age: _t_opt_int = None, + salt: _t_opt_str_bytes = None, + ) -> _t.Tuple[bool, _t.Any]: + return self._loads_unsafe_impl(s, salt, load_kwargs={"max_age": max_age}) diff --git a/venv/lib/python3.12/site-packages/itsdangerous/url_safe.py b/venv/lib/python3.12/site-packages/itsdangerous/url_safe.py new file mode 100644 index 0000000..d5a9b0c --- /dev/null +++ b/venv/lib/python3.12/site-packages/itsdangerous/url_safe.py @@ -0,0 +1,80 @@ +import typing as _t +import zlib + +from ._json import _CompactJSON +from .encoding import base64_decode +from .encoding import base64_encode +from .exc import BadPayload +from .serializer import Serializer +from .timed import TimedSerializer + + +class URLSafeSerializerMixin(Serializer): + """Mixed in with a regular serializer it will attempt to zlib + compress the string to make it shorter if necessary. It will also + base64 encode the string so that it can safely be placed in a URL. + """ + + default_serializer = _CompactJSON + + def load_payload( + self, + payload: bytes, + *args: _t.Any, + serializer: _t.Optional[_t.Any] = None, + **kwargs: _t.Any, + ) -> _t.Any: + decompress = False + + if payload.startswith(b"."): + payload = payload[1:] + decompress = True + + try: + json = base64_decode(payload) + except Exception as e: + raise BadPayload( + "Could not base64 decode the payload because of an exception", + original_error=e, + ) from e + + if decompress: + try: + json = zlib.decompress(json) + except Exception as e: + raise BadPayload( + "Could not zlib decompress the payload before decoding the payload", + original_error=e, + ) from e + + return super().load_payload(json, *args, **kwargs) + + def dump_payload(self, obj: _t.Any) -> bytes: + json = super().dump_payload(obj) + is_compressed = False + compressed = zlib.compress(json) + + if len(compressed) < (len(json) - 1): + json = compressed + is_compressed = True + + base64d = base64_encode(json) + + if is_compressed: + base64d = b"." + base64d + + return base64d + + +class URLSafeSerializer(URLSafeSerializerMixin, Serializer): + """Works like :class:`.Serializer` but dumps and loads into a URL + safe string consisting of the upper and lowercase character of the + alphabet as well as ``'_'``, ``'-'`` and ``'.'``. + """ + + +class URLSafeTimedSerializer(URLSafeSerializerMixin, TimedSerializer): + """Works like :class:`.TimedSerializer` but dumps and loads into a + URL safe string consisting of the upper and lowercase character of + the alphabet as well as ``'_'``, ``'-'`` and ``'.'``. + """ diff --git a/venv/lib/python3.12/site-packages/jinja2/__init__.py b/venv/lib/python3.12/site-packages/jinja2/__init__.py new file mode 100644 index 0000000..e323926 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/__init__.py @@ -0,0 +1,37 @@ +"""Jinja is a template engine written in pure Python. It provides a +non-XML syntax that supports inline expressions and an optional +sandboxed environment. +""" +from .bccache import BytecodeCache as BytecodeCache +from .bccache import FileSystemBytecodeCache as FileSystemBytecodeCache +from .bccache import MemcachedBytecodeCache as MemcachedBytecodeCache +from .environment import Environment as Environment +from .environment import Template as Template +from .exceptions import TemplateAssertionError as TemplateAssertionError +from .exceptions import TemplateError as TemplateError +from .exceptions import TemplateNotFound as TemplateNotFound +from .exceptions import TemplateRuntimeError as TemplateRuntimeError +from .exceptions import TemplatesNotFound as TemplatesNotFound +from .exceptions import TemplateSyntaxError as TemplateSyntaxError +from .exceptions import UndefinedError as UndefinedError +from .loaders import BaseLoader as BaseLoader +from .loaders import ChoiceLoader as ChoiceLoader +from .loaders import DictLoader as DictLoader +from .loaders import FileSystemLoader as FileSystemLoader +from .loaders import FunctionLoader as FunctionLoader +from .loaders import ModuleLoader as ModuleLoader +from .loaders import PackageLoader as PackageLoader +from .loaders import PrefixLoader as PrefixLoader +from .runtime import ChainableUndefined as ChainableUndefined +from .runtime import DebugUndefined as DebugUndefined +from .runtime import make_logging_undefined as make_logging_undefined +from .runtime import StrictUndefined as StrictUndefined +from .runtime import Undefined as Undefined +from .utils import clear_caches as clear_caches +from .utils import is_undefined as is_undefined +from .utils import pass_context as pass_context +from .utils import pass_environment as pass_environment +from .utils import pass_eval_context as pass_eval_context +from .utils import select_autoescape as select_autoescape + +__version__ = "3.1.2" diff --git 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a/venv/lib/python3.12/site-packages/jinja2/__pycache__/visitor.cpython-312.pyc b/venv/lib/python3.12/site-packages/jinja2/__pycache__/visitor.cpython-312.pyc new file mode 100644 index 0000000..3223ec0 Binary files /dev/null and b/venv/lib/python3.12/site-packages/jinja2/__pycache__/visitor.cpython-312.pyc differ diff --git a/venv/lib/python3.12/site-packages/jinja2/_identifier.py b/venv/lib/python3.12/site-packages/jinja2/_identifier.py new file mode 100644 index 0000000..928c150 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/_identifier.py @@ -0,0 +1,6 @@ +import re + +# generated by scripts/generate_identifier_pattern.py +pattern = re.compile( + r"[\w·̀-ͯ·҃-֑҇-ׇֽֿׁׂׅׄؐ-ًؚ-ٰٟۖ-ۜ۟-۪ۤۧۨ-ܑۭܰ-݊ަ-ް߫-߽߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛࣓-ࣣ࣡-ःऺ-़ा-ॏ॑-ॗॢॣঁ-ঃ়া-ৄেৈো-্ৗৢৣ৾ਁ-ਃ਼ਾ-ੂੇੈੋ-੍ੑੰੱੵઁ-ઃ઼ા-ૅે-ૉો-્ૢૣૺ-૿ଁ-ଃ଼ା-ୄେୈୋ-୍ୖୗୢୣஂா-ூெ-ைொ-்ௗఀ-ఄా-ౄె-ైొ-్ౕౖౢౣಁ-ಃ಼ಾ-ೄೆ-ೈೊ-್ೕೖೢೣഀ-ഃ഻഼ാ-ൄെ-ൈൊ-്ൗൢൣංඃ්ා-ුූෘ-ෟෲෳัิ-ฺ็-๎ັິ-ູົຼ່-ໍ༹༘༙༵༷༾༿ཱ-྄྆྇ྍ-ྗྙ-ྼ࿆ါ-ှၖ-ၙၞ-ၠၢ-ၤၧ-ၭၱ-ၴႂ-ႍႏႚ-ႝ፝-፟ᜒ-᜔ᜲ-᜴ᝒᝓᝲᝳ឴-៓៝᠋-᠍ᢅᢆᢩᤠ-ᤫᤰ-᤻ᨗ-ᨛᩕ-ᩞ᩠-᩿᩼᪰-᪽ᬀ-ᬄ᬴-᭄᭫-᭳ᮀ-ᮂᮡ-ᮭ᯦-᯳ᰤ-᰷᳐-᳔᳒-᳨᳭ᳲ-᳴᳷-᳹᷀-᷹᷻-᷿‿⁀⁔⃐-⃥⃜⃡-⃰℘℮⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯꙯ꙴ-꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠣ-ꠧꢀꢁꢴ-ꣅ꣠-꣱ꣿꤦ-꤭ꥇ-꥓ꦀ-ꦃ꦳-꧀ꧥꨩ-ꨶꩃꩌꩍꩻ-ꩽꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫫ-ꫯꫵ꫶ꯣ-ꯪ꯬꯭ﬞ︀-️︠-︯︳︴﹍-﹏＿𐇽𐋠𐍶-𐍺𐨁-𐨃𐨅𐨆𐨌-𐨏𐨸-𐨿𐨺𐫦𐫥𐴤-𐽆𐴧-𐽐𑀀-𑀂𑀸-𑁆𑁿-𑂂𑂰-𑂺𑄀-𑄂𑄧-𑄴𑅅𑅆𑅳𑆀-𑆂𑆳-𑇀𑇉-𑇌𑈬-𑈷𑈾𑋟-𑋪𑌀-𑌃𑌻𑌼𑌾-𑍄𑍇𑍈𑍋-𑍍𑍗𑍢𑍣𑍦-𑍬𑍰-𑍴𑐵-𑑆𑑞𑒰-𑓃𑖯-𑖵𑖸-𑗀𑗜𑗝𑘰-𑙀𑚫-𑚷𑜝-𑜫𑠬-𑠺𑨁-𑨊𑨳-𑨹𑨻-𑨾𑩇𑩑-𑩛𑪊-𑪙𑰯-𑰶𑰸-𑰿𑲒-𑲧𑲩-𑲶𑴱-𑴶𑴺𑴼𑴽𑴿-𑵅𑵇𑶊-𑶎𑶐𑶑𑶓-𑶗𑻳-𑻶𖫰-𖫴𖬰-𖬶𖽑-𖽾𖾏-𖾒𛲝𛲞𝅥-𝅩𝅭-𝅲𝅻-𝆂𝆅-𝆋𝆪-𝆭𝉂-𝉄𝨀-𝨶𝨻-𝩬𝩵𝪄𝪛-𝪟𝪡-𝪯𞀀-𞀆𞀈-𞀘𞀛-𞀡𞀣𞀤𞀦-𞣐𞀪-𞣖𞥄-𞥊󠄀-󠇯]+" # noqa: B950 +) diff --git a/venv/lib/python3.12/site-packages/jinja2/async_utils.py b/venv/lib/python3.12/site-packages/jinja2/async_utils.py new file mode 100644 index 0000000..1a4f389 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/async_utils.py @@ -0,0 +1,84 @@ +import inspect +import typing as t +from functools import WRAPPER_ASSIGNMENTS +from functools import wraps + +from .utils import _PassArg +from .utils import pass_eval_context + +V = t.TypeVar("V") + + +def async_variant(normal_func): # type: ignore + def decorator(async_func): # type: ignore + pass_arg = _PassArg.from_obj(normal_func) + need_eval_context = pass_arg is None + + if pass_arg is _PassArg.environment: + + def is_async(args: t.Any) -> bool: + return t.cast(bool, args[0].is_async) + + else: + + def is_async(args: t.Any) -> bool: + return t.cast(bool, args[0].environment.is_async) + + # Take the doc and annotations from the sync function, but the + # name from the async function. Pallets-Sphinx-Themes + # build_function_directive expects __wrapped__ to point to the + # sync function. + async_func_attrs = ("__module__", "__name__", "__qualname__") + normal_func_attrs = tuple(set(WRAPPER_ASSIGNMENTS).difference(async_func_attrs)) + + @wraps(normal_func, assigned=normal_func_attrs) + @wraps(async_func, assigned=async_func_attrs, updated=()) + def wrapper(*args, **kwargs): # type: ignore + b = is_async(args) + + if need_eval_context: + args = args[1:] + + if b: + return async_func(*args, **kwargs) + + return normal_func(*args, **kwargs) + + if need_eval_context: + wrapper = pass_eval_context(wrapper) + + wrapper.jinja_async_variant = True + return wrapper + + return decorator + + +_common_primitives = {int, float, bool, str, list, dict, tuple, type(None)} + + +async def auto_await(value: t.Union[t.Awaitable["V"], "V"]) -> "V": + # Avoid a costly call to isawaitable + if type(value) in _common_primitives: + return t.cast("V", value) + + if inspect.isawaitable(value): + return await t.cast("t.Awaitable[V]", value) + + return t.cast("V", value) + + +async def auto_aiter( + iterable: "t.Union[t.AsyncIterable[V], t.Iterable[V]]", +) -> "t.AsyncIterator[V]": + if hasattr(iterable, "__aiter__"): + async for item in t.cast("t.AsyncIterable[V]", iterable): + yield item + else: + for item in t.cast("t.Iterable[V]", iterable): + yield item + + +async def auto_to_list( + value: "t.Union[t.AsyncIterable[V], t.Iterable[V]]", +) -> t.List["V"]: + return [x async for x in auto_aiter(value)] diff --git a/venv/lib/python3.12/site-packages/jinja2/bccache.py b/venv/lib/python3.12/site-packages/jinja2/bccache.py new file mode 100644 index 0000000..d0ddf56 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/bccache.py @@ -0,0 +1,406 @@ +"""The optional bytecode cache system. This is useful if you have very +complex template situations and the compilation of all those templates +slows down your application too much. + +Situations where this is useful are often forking web applications that +are initialized on the first request. +""" +import errno +import fnmatch +import marshal +import os +import pickle +import stat +import sys +import tempfile +import typing as t +from hashlib import sha1 +from io import BytesIO +from types import CodeType + +if t.TYPE_CHECKING: + import typing_extensions as te + from .environment import Environment + + class _MemcachedClient(te.Protocol): + def get(self, key: str) -> bytes: + ... + + def set(self, key: str, value: bytes, timeout: t.Optional[int] = None) -> None: + ... + + +bc_version = 5 +# Magic bytes to identify Jinja bytecode cache files. Contains the +# Python major and minor version to avoid loading incompatible bytecode +# if a project upgrades its Python version. +bc_magic = ( + b"j2" + + pickle.dumps(bc_version, 2) + + pickle.dumps((sys.version_info[0] << 24) | sys.version_info[1], 2) +) + + +class Bucket: + """Buckets are used to store the bytecode for one template. It's created + and initialized by the bytecode cache and passed to the loading functions. + + The buckets get an internal checksum from the cache assigned and use this + to automatically reject outdated cache material. Individual bytecode + cache subclasses don't have to care about cache invalidation. + """ + + def __init__(self, environment: "Environment", key: str, checksum: str) -> None: + self.environment = environment + self.key = key + self.checksum = checksum + self.reset() + + def reset(self) -> None: + """Resets the bucket (unloads the bytecode).""" + self.code: t.Optional[CodeType] = None + + def load_bytecode(self, f: t.BinaryIO) -> None: + """Loads bytecode from a file or file like object.""" + # make sure the magic header is correct + magic = f.read(len(bc_magic)) + if magic != bc_magic: + self.reset() + return + # the source code of the file changed, we need to reload + checksum = pickle.load(f) + if self.checksum != checksum: + self.reset() + return + # if marshal_load fails then we need to reload + try: + self.code = marshal.load(f) + except (EOFError, ValueError, TypeError): + self.reset() + return + + def write_bytecode(self, f: t.IO[bytes]) -> None: + """Dump the bytecode into the file or file like object passed.""" + if self.code is None: + raise TypeError("can't write empty bucket") + f.write(bc_magic) + pickle.dump(self.checksum, f, 2) + marshal.dump(self.code, f) + + def bytecode_from_string(self, string: bytes) -> None: + """Load bytecode from bytes.""" + self.load_bytecode(BytesIO(string)) + + def bytecode_to_string(self) -> bytes: + """Return the bytecode as bytes.""" + out = BytesIO() + self.write_bytecode(out) + return out.getvalue() + + +class BytecodeCache: + """To implement your own bytecode cache you have to subclass this class + and override :meth:`load_bytecode` and :meth:`dump_bytecode`. Both of + these methods are passed a :class:`~jinja2.bccache.Bucket`. + + A very basic bytecode cache that saves the bytecode on the file system:: + + from os import path + + class MyCache(BytecodeCache): + + def __init__(self, directory): + self.directory = directory + + def load_bytecode(self, bucket): + filename = path.join(self.directory, bucket.key) + if path.exists(filename): + with open(filename, 'rb') as f: + bucket.load_bytecode(f) + + def dump_bytecode(self, bucket): + filename = path.join(self.directory, bucket.key) + with open(filename, 'wb') as f: + bucket.write_bytecode(f) + + A more advanced version of a filesystem based bytecode cache is part of + Jinja. + """ + + def load_bytecode(self, bucket: Bucket) -> None: + """Subclasses have to override this method to load bytecode into a + bucket. If they are not able to find code in the cache for the + bucket, it must not do anything. + """ + raise NotImplementedError() + + def dump_bytecode(self, bucket: Bucket) -> None: + """Subclasses have to override this method to write the bytecode + from a bucket back to the cache. If it unable to do so it must not + fail silently but raise an exception. + """ + raise NotImplementedError() + + def clear(self) -> None: + """Clears the cache. This method is not used by Jinja but should be + implemented to allow applications to clear the bytecode cache used + by a particular environment. + """ + + def get_cache_key( + self, name: str, filename: t.Optional[t.Union[str]] = None + ) -> str: + """Returns the unique hash key for this template name.""" + hash = sha1(name.encode("utf-8")) + + if filename is not None: + hash.update(f"|{filename}".encode()) + + return hash.hexdigest() + + def get_source_checksum(self, source: str) -> str: + """Returns a checksum for the source.""" + return sha1(source.encode("utf-8")).hexdigest() + + def get_bucket( + self, + environment: "Environment", + name: str, + filename: t.Optional[str], + source: str, + ) -> Bucket: + """Return a cache bucket for the given template. All arguments are + mandatory but filename may be `None`. + """ + key = self.get_cache_key(name, filename) + checksum = self.get_source_checksum(source) + bucket = Bucket(environment, key, checksum) + self.load_bytecode(bucket) + return bucket + + def set_bucket(self, bucket: Bucket) -> None: + """Put the bucket into the cache.""" + self.dump_bytecode(bucket) + + +class FileSystemBytecodeCache(BytecodeCache): + """A bytecode cache that stores bytecode on the filesystem. It accepts + two arguments: The directory where the cache items are stored and a + pattern string that is used to build the filename. + + If no directory is specified a default cache directory is selected. On + Windows the user's temp directory is used, on UNIX systems a directory + is created for the user in the system temp directory. + + The pattern can be used to have multiple separate caches operate on the + same directory. The default pattern is ``'__jinja2_%s.cache'``. ``%s`` + is replaced with the cache key. + + >>> bcc = FileSystemBytecodeCache('/tmp/jinja_cache', '%s.cache') + + This bytecode cache supports clearing of the cache using the clear method. + """ + + def __init__( + self, directory: t.Optional[str] = None, pattern: str = "__jinja2_%s.cache" + ) -> None: + if directory is None: + directory = self._get_default_cache_dir() + self.directory = directory + self.pattern = pattern + + def _get_default_cache_dir(self) -> str: + def _unsafe_dir() -> "te.NoReturn": + raise RuntimeError( + "Cannot determine safe temp directory. You " + "need to explicitly provide one." + ) + + tmpdir = tempfile.gettempdir() + + # On windows the temporary directory is used specific unless + # explicitly forced otherwise. We can just use that. + if os.name == "nt": + return tmpdir + if not hasattr(os, "getuid"): + _unsafe_dir() + + dirname = f"_jinja2-cache-{os.getuid()}" + actual_dir = os.path.join(tmpdir, dirname) + + try: + os.mkdir(actual_dir, stat.S_IRWXU) + except OSError as e: + if e.errno != errno.EEXIST: + raise + try: + os.chmod(actual_dir, stat.S_IRWXU) + actual_dir_stat = os.lstat(actual_dir) + if ( + actual_dir_stat.st_uid != os.getuid() + or not stat.S_ISDIR(actual_dir_stat.st_mode) + or stat.S_IMODE(actual_dir_stat.st_mode) != stat.S_IRWXU + ): + _unsafe_dir() + except OSError as e: + if e.errno != errno.EEXIST: + raise + + actual_dir_stat = os.lstat(actual_dir) + if ( + actual_dir_stat.st_uid != os.getuid() + or not stat.S_ISDIR(actual_dir_stat.st_mode) + or stat.S_IMODE(actual_dir_stat.st_mode) != stat.S_IRWXU + ): + _unsafe_dir() + + return actual_dir + + def _get_cache_filename(self, bucket: Bucket) -> str: + return os.path.join(self.directory, self.pattern % (bucket.key,)) + + def load_bytecode(self, bucket: Bucket) -> None: + filename = self._get_cache_filename(bucket) + + # Don't test for existence before opening the file, since the + # file could disappear after the test before the open. + try: + f = open(filename, "rb") + except (FileNotFoundError, IsADirectoryError, PermissionError): + # PermissionError can occur on Windows when an operation is + # in progress, such as calling clear(). + return + + with f: + bucket.load_bytecode(f) + + def dump_bytecode(self, bucket: Bucket) -> None: + # Write to a temporary file, then rename to the real name after + # writing. This avoids another process reading the file before + # it is fully written. + name = self._get_cache_filename(bucket) + f = tempfile.NamedTemporaryFile( + mode="wb", + dir=os.path.dirname(name), + prefix=os.path.basename(name), + suffix=".tmp", + delete=False, + ) + + def remove_silent() -> None: + try: + os.remove(f.name) + except OSError: + # Another process may have called clear(). On Windows, + # another program may be holding the file open. + pass + + try: + with f: + bucket.write_bytecode(f) + except BaseException: + remove_silent() + raise + + try: + os.replace(f.name, name) + except OSError: + # Another process may have called clear(). On Windows, + # another program may be holding the file open. + remove_silent() + except BaseException: + remove_silent() + raise + + def clear(self) -> None: + # imported lazily here because google app-engine doesn't support + # write access on the file system and the function does not exist + # normally. + from os import remove + + files = fnmatch.filter(os.listdir(self.directory), self.pattern % ("*",)) + for filename in files: + try: + remove(os.path.join(self.directory, filename)) + except OSError: + pass + + +class MemcachedBytecodeCache(BytecodeCache): + """This class implements a bytecode cache that uses a memcache cache for + storing the information. It does not enforce a specific memcache library + (tummy's memcache or cmemcache) but will accept any class that provides + the minimal interface required. + + Libraries compatible with this class: + + - `cachelib `_ + - `python-memcached `_ + + (Unfortunately the django cache interface is not compatible because it + does not support storing binary data, only text. You can however pass + the underlying cache client to the bytecode cache which is available + as `django.core.cache.cache._client`.) + + The minimal interface for the client passed to the constructor is this: + + .. class:: MinimalClientInterface + + .. method:: set(key, value[, timeout]) + + Stores the bytecode in the cache. `value` is a string and + `timeout` the timeout of the key. If timeout is not provided + a default timeout or no timeout should be assumed, if it's + provided it's an integer with the number of seconds the cache + item should exist. + + .. method:: get(key) + + Returns the value for the cache key. If the item does not + exist in the cache the return value must be `None`. + + The other arguments to the constructor are the prefix for all keys that + is added before the actual cache key and the timeout for the bytecode in + the cache system. We recommend a high (or no) timeout. + + This bytecode cache does not support clearing of used items in the cache. + The clear method is a no-operation function. + + .. versionadded:: 2.7 + Added support for ignoring memcache errors through the + `ignore_memcache_errors` parameter. + """ + + def __init__( + self, + client: "_MemcachedClient", + prefix: str = "jinja2/bytecode/", + timeout: t.Optional[int] = None, + ignore_memcache_errors: bool = True, + ): + self.client = client + self.prefix = prefix + self.timeout = timeout + self.ignore_memcache_errors = ignore_memcache_errors + + def load_bytecode(self, bucket: Bucket) -> None: + try: + code = self.client.get(self.prefix + bucket.key) + except Exception: + if not self.ignore_memcache_errors: + raise + else: + bucket.bytecode_from_string(code) + + def dump_bytecode(self, bucket: Bucket) -> None: + key = self.prefix + bucket.key + value = bucket.bytecode_to_string() + + try: + if self.timeout is not None: + self.client.set(key, value, self.timeout) + else: + self.client.set(key, value) + except Exception: + if not self.ignore_memcache_errors: + raise diff --git a/venv/lib/python3.12/site-packages/jinja2/compiler.py b/venv/lib/python3.12/site-packages/jinja2/compiler.py new file mode 100644 index 0000000..3458095 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/compiler.py @@ -0,0 +1,1957 @@ +"""Compiles nodes from the parser into Python code.""" +import typing as t +from contextlib import contextmanager +from functools import update_wrapper +from io import StringIO +from itertools import chain +from keyword import iskeyword as is_python_keyword + +from markupsafe import escape +from markupsafe import Markup + +from . import nodes +from .exceptions import TemplateAssertionError +from .idtracking import Symbols +from .idtracking import VAR_LOAD_ALIAS +from .idtracking import VAR_LOAD_PARAMETER +from .idtracking import VAR_LOAD_RESOLVE +from .idtracking import VAR_LOAD_UNDEFINED +from .nodes import EvalContext +from .optimizer import Optimizer +from .utils import _PassArg +from .utils import concat +from .visitor import NodeVisitor + +if t.TYPE_CHECKING: + import typing_extensions as te + from .environment import Environment + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) + +operators = { + "eq": "==", + "ne": "!=", + "gt": ">", + "gteq": ">=", + "lt": "<", + "lteq": "<=", + "in": "in", + "notin": "not in", +} + + +def optimizeconst(f: F) -> F: + def new_func( + self: "CodeGenerator", node: nodes.Expr, frame: "Frame", **kwargs: t.Any + ) -> t.Any: + # Only optimize if the frame is not volatile + if self.optimizer is not None and not frame.eval_ctx.volatile: + new_node = self.optimizer.visit(node, frame.eval_ctx) + + if new_node != node: + return self.visit(new_node, frame) + + return f(self, node, frame, **kwargs) + + return update_wrapper(t.cast(F, new_func), f) + + +def _make_binop(op: str) -> t.Callable[["CodeGenerator", nodes.BinExpr, "Frame"], None]: + @optimizeconst + def visitor(self: "CodeGenerator", node: nodes.BinExpr, frame: Frame) -> None: + if ( + self.environment.sandboxed + and op in self.environment.intercepted_binops # type: ignore + ): + self.write(f"environment.call_binop(context, {op!r}, ") + self.visit(node.left, frame) + self.write(", ") + self.visit(node.right, frame) + else: + self.write("(") + self.visit(node.left, frame) + self.write(f" {op} ") + self.visit(node.right, frame) + + self.write(")") + + return visitor + + +def _make_unop( + op: str, +) -> t.Callable[["CodeGenerator", nodes.UnaryExpr, "Frame"], None]: + @optimizeconst + def visitor(self: "CodeGenerator", node: nodes.UnaryExpr, frame: Frame) -> None: + if ( + self.environment.sandboxed + and op in self.environment.intercepted_unops # type: ignore + ): + self.write(f"environment.call_unop(context, {op!r}, ") + self.visit(node.node, frame) + else: + self.write("(" + op) + self.visit(node.node, frame) + + self.write(")") + + return visitor + + +def generate( + node: nodes.Template, + environment: "Environment", + name: t.Optional[str], + filename: t.Optional[str], + stream: t.Optional[t.TextIO] = None, + defer_init: bool = False, + optimized: bool = True, +) -> t.Optional[str]: + """Generate the python source for a node tree.""" + if not isinstance(node, nodes.Template): + raise TypeError("Can't compile non template nodes") + + generator = environment.code_generator_class( + environment, name, filename, stream, defer_init, optimized + ) + generator.visit(node) + + if stream is None: + return generator.stream.getvalue() # type: ignore + + return None + + +def has_safe_repr(value: t.Any) -> bool: + """Does the node have a safe representation?""" + if value is None or value is NotImplemented or value is Ellipsis: + return True + + if type(value) in {bool, int, float, complex, range, str, Markup}: + return True + + if type(value) in {tuple, list, set, frozenset}: + return all(has_safe_repr(v) for v in value) + + if type(value) is dict: + return all(has_safe_repr(k) and has_safe_repr(v) for k, v in value.items()) + + return False + + +def find_undeclared( + nodes: t.Iterable[nodes.Node], names: t.Iterable[str] +) -> t.Set[str]: + """Check if the names passed are accessed undeclared. The return value + is a set of all the undeclared names from the sequence of names found. + """ + visitor = UndeclaredNameVisitor(names) + try: + for node in nodes: + visitor.visit(node) + except VisitorExit: + pass + return visitor.undeclared + + +class MacroRef: + def __init__(self, node: t.Union[nodes.Macro, nodes.CallBlock]) -> None: + self.node = node + self.accesses_caller = False + self.accesses_kwargs = False + self.accesses_varargs = False + + +class Frame: + """Holds compile time information for us.""" + + def __init__( + self, + eval_ctx: EvalContext, + parent: t.Optional["Frame"] = None, + level: t.Optional[int] = None, + ) -> None: + self.eval_ctx = eval_ctx + + # the parent of this frame + self.parent = parent + + if parent is None: + self.symbols = Symbols(level=level) + + # in some dynamic inheritance situations the compiler needs to add + # write tests around output statements. + self.require_output_check = False + + # inside some tags we are using a buffer rather than yield statements. + # this for example affects {% filter %} or {% macro %}. If a frame + # is buffered this variable points to the name of the list used as + # buffer. + self.buffer: t.Optional[str] = None + + # the name of the block we're in, otherwise None. + self.block: t.Optional[str] = None + + else: + self.symbols = Symbols(parent.symbols, level=level) + self.require_output_check = parent.require_output_check + self.buffer = parent.buffer + self.block = parent.block + + # a toplevel frame is the root + soft frames such as if conditions. + self.toplevel = False + + # the root frame is basically just the outermost frame, so no if + # conditions. This information is used to optimize inheritance + # situations. + self.rootlevel = False + + # variables set inside of loops and blocks should not affect outer frames, + # but they still needs to be kept track of as part of the active context. + self.loop_frame = False + self.block_frame = False + + # track whether the frame is being used in an if-statement or conditional + # expression as it determines which errors should be raised during runtime + # or compile time. + self.soft_frame = False + + def copy(self) -> "Frame": + """Create a copy of the current one.""" + rv = object.__new__(self.__class__) + rv.__dict__.update(self.__dict__) + rv.symbols = self.symbols.copy() + return rv + + def inner(self, isolated: bool = False) -> "Frame": + """Return an inner frame.""" + if isolated: + return Frame(self.eval_ctx, level=self.symbols.level + 1) + return Frame(self.eval_ctx, self) + + def soft(self) -> "Frame": + """Return a soft frame. A soft frame may not be modified as + standalone thing as it shares the resources with the frame it + was created of, but it's not a rootlevel frame any longer. + + This is only used to implement if-statements and conditional + expressions. + """ + rv = self.copy() + rv.rootlevel = False + rv.soft_frame = True + return rv + + __copy__ = copy + + +class VisitorExit(RuntimeError): + """Exception used by the `UndeclaredNameVisitor` to signal a stop.""" + + +class DependencyFinderVisitor(NodeVisitor): + """A visitor that collects filter and test calls.""" + + def __init__(self) -> None: + self.filters: t.Set[str] = set() + self.tests: t.Set[str] = set() + + def visit_Filter(self, node: nodes.Filter) -> None: + self.generic_visit(node) + self.filters.add(node.name) + + def visit_Test(self, node: nodes.Test) -> None: + self.generic_visit(node) + self.tests.add(node.name) + + def visit_Block(self, node: nodes.Block) -> None: + """Stop visiting at blocks.""" + + +class UndeclaredNameVisitor(NodeVisitor): + """A visitor that checks if a name is accessed without being + declared. This is different from the frame visitor as it will + not stop at closure frames. + """ + + def __init__(self, names: t.Iterable[str]) -> None: + self.names = set(names) + self.undeclared: t.Set[str] = set() + + def visit_Name(self, node: nodes.Name) -> None: + if node.ctx == "load" and node.name in self.names: + self.undeclared.add(node.name) + if self.undeclared == self.names: + raise VisitorExit() + else: + self.names.discard(node.name) + + def visit_Block(self, node: nodes.Block) -> None: + """Stop visiting a blocks.""" + + +class CompilerExit(Exception): + """Raised if the compiler encountered a situation where it just + doesn't make sense to further process the code. Any block that + raises such an exception is not further processed. + """ + + +class CodeGenerator(NodeVisitor): + def __init__( + self, + environment: "Environment", + name: t.Optional[str], + filename: t.Optional[str], + stream: t.Optional[t.TextIO] = None, + defer_init: bool = False, + optimized: bool = True, + ) -> None: + if stream is None: + stream = StringIO() + self.environment = environment + self.name = name + self.filename = filename + self.stream = stream + self.created_block_context = False + self.defer_init = defer_init + self.optimizer: t.Optional[Optimizer] = None + + if optimized: + self.optimizer = Optimizer(environment) + + # aliases for imports + self.import_aliases: t.Dict[str, str] = {} + + # a registry for all blocks. Because blocks are moved out + # into the global python scope they are registered here + self.blocks: t.Dict[str, nodes.Block] = {} + + # the number of extends statements so far + self.extends_so_far = 0 + + # some templates have a rootlevel extends. In this case we + # can safely assume that we're a child template and do some + # more optimizations. + self.has_known_extends = False + + # the current line number + self.code_lineno = 1 + + # registry of all filters and tests (global, not block local) + self.tests: t.Dict[str, str] = {} + self.filters: t.Dict[str, str] = {} + + # the debug information + self.debug_info: t.List[t.Tuple[int, int]] = [] + self._write_debug_info: t.Optional[int] = None + + # the number of new lines before the next write() + self._new_lines = 0 + + # the line number of the last written statement + self._last_line = 0 + + # true if nothing was written so far. + self._first_write = True + + # used by the `temporary_identifier` method to get new + # unique, temporary identifier + self._last_identifier = 0 + + # the current indentation + self._indentation = 0 + + # Tracks toplevel assignments + self._assign_stack: t.List[t.Set[str]] = [] + + # Tracks parameter definition blocks + self._param_def_block: t.List[t.Set[str]] = [] + + # Tracks the current context. + self._context_reference_stack = ["context"] + + @property + def optimized(self) -> bool: + return self.optimizer is not None + + # -- Various compilation helpers + + def fail(self, msg: str, lineno: int) -> "te.NoReturn": + """Fail with a :exc:`TemplateAssertionError`.""" + raise TemplateAssertionError(msg, lineno, self.name, self.filename) + + def temporary_identifier(self) -> str: + """Get a new unique identifier.""" + self._last_identifier += 1 + return f"t_{self._last_identifier}" + + def buffer(self, frame: Frame) -> None: + """Enable buffering for the frame from that point onwards.""" + frame.buffer = self.temporary_identifier() + self.writeline(f"{frame.buffer} = []") + + def return_buffer_contents( + self, frame: Frame, force_unescaped: bool = False + ) -> None: + """Return the buffer contents of the frame.""" + if not force_unescaped: + if frame.eval_ctx.volatile: + self.writeline("if context.eval_ctx.autoescape:") + self.indent() + self.writeline(f"return Markup(concat({frame.buffer}))") + self.outdent() + self.writeline("else:") + self.indent() + self.writeline(f"return concat({frame.buffer})") + self.outdent() + return + elif frame.eval_ctx.autoescape: + self.writeline(f"return Markup(concat({frame.buffer}))") + return + self.writeline(f"return concat({frame.buffer})") + + def indent(self) -> None: + """Indent by one.""" + self._indentation += 1 + + def outdent(self, step: int = 1) -> None: + """Outdent by step.""" + self._indentation -= step + + def start_write(self, frame: Frame, node: t.Optional[nodes.Node] = None) -> None: + """Yield or write into the frame buffer.""" + if frame.buffer is None: + self.writeline("yield ", node) + else: + self.writeline(f"{frame.buffer}.append(", node) + + def end_write(self, frame: Frame) -> None: + """End the writing process started by `start_write`.""" + if frame.buffer is not None: + self.write(")") + + def simple_write( + self, s: str, frame: Frame, node: t.Optional[nodes.Node] = None + ) -> None: + """Simple shortcut for start_write + write + end_write.""" + self.start_write(frame, node) + self.write(s) + self.end_write(frame) + + def blockvisit(self, nodes: t.Iterable[nodes.Node], frame: Frame) -> None: + """Visit a list of nodes as block in a frame. If the current frame + is no buffer a dummy ``if 0: yield None`` is written automatically. + """ + try: + self.writeline("pass") + for node in nodes: + self.visit(node, frame) + except CompilerExit: + pass + + def write(self, x: str) -> None: + """Write a string into the output stream.""" + if self._new_lines: + if not self._first_write: + self.stream.write("\n" * self._new_lines) + self.code_lineno += self._new_lines + if self._write_debug_info is not None: + self.debug_info.append((self._write_debug_info, self.code_lineno)) + self._write_debug_info = None + self._first_write = False + self.stream.write(" " * self._indentation) + self._new_lines = 0 + self.stream.write(x) + + def writeline( + self, x: str, node: t.Optional[nodes.Node] = None, extra: int = 0 + ) -> None: + """Combination of newline and write.""" + self.newline(node, extra) + self.write(x) + + def newline(self, node: t.Optional[nodes.Node] = None, extra: int = 0) -> None: + """Add one or more newlines before the next write.""" + self._new_lines = max(self._new_lines, 1 + extra) + if node is not None and node.lineno != self._last_line: + self._write_debug_info = node.lineno + self._last_line = node.lineno + + def signature( + self, + node: t.Union[nodes.Call, nodes.Filter, nodes.Test], + frame: Frame, + extra_kwargs: t.Optional[t.Mapping[str, t.Any]] = None, + ) -> None: + """Writes a function call to the stream for the current node. + A leading comma is added automatically. The extra keyword + arguments may not include python keywords otherwise a syntax + error could occur. The extra keyword arguments should be given + as python dict. + """ + # if any of the given keyword arguments is a python keyword + # we have to make sure that no invalid call is created. + kwarg_workaround = any( + is_python_keyword(t.cast(str, k)) + for k in chain((x.key for x in node.kwargs), extra_kwargs or ()) + ) + + for arg in node.args: + self.write(", ") + self.visit(arg, frame) + + if not kwarg_workaround: + for kwarg in node.kwargs: + self.write(", ") + self.visit(kwarg, frame) + if extra_kwargs is not None: + for key, value in extra_kwargs.items(): + self.write(f", {key}={value}") + if node.dyn_args: + self.write(", *") + self.visit(node.dyn_args, frame) + + if kwarg_workaround: + if node.dyn_kwargs is not None: + self.write(", **dict({") + else: + self.write(", **{") + for kwarg in node.kwargs: + self.write(f"{kwarg.key!r}: ") + self.visit(kwarg.value, frame) + self.write(", ") + if extra_kwargs is not None: + for key, value in extra_kwargs.items(): + self.write(f"{key!r}: {value}, ") + if node.dyn_kwargs is not None: + self.write("}, **") + self.visit(node.dyn_kwargs, frame) + self.write(")") + else: + self.write("}") + + elif node.dyn_kwargs is not None: + self.write(", **") + self.visit(node.dyn_kwargs, frame) + + def pull_dependencies(self, nodes: t.Iterable[nodes.Node]) -> None: + """Find all filter and test names used in the template and + assign them to variables in the compiled namespace. Checking + that the names are registered with the environment is done when + compiling the Filter and Test nodes. If the node is in an If or + CondExpr node, the check is done at runtime instead. + + .. versionchanged:: 3.0 + Filters and tests in If and CondExpr nodes are checked at + runtime instead of compile time. + """ + visitor = DependencyFinderVisitor() + + for node in nodes: + visitor.visit(node) + + for id_map, names, dependency in (self.filters, visitor.filters, "filters"), ( + self.tests, + visitor.tests, + "tests", + ): + for name in sorted(names): + if name not in id_map: + id_map[name] = self.temporary_identifier() + + # add check during runtime that dependencies used inside of executed + # blocks are defined, as this step may be skipped during compile time + self.writeline("try:") + self.indent() + self.writeline(f"{id_map[name]} = environment.{dependency}[{name!r}]") + self.outdent() + self.writeline("except KeyError:") + self.indent() + self.writeline("@internalcode") + self.writeline(f"def {id_map[name]}(*unused):") + self.indent() + self.writeline( + f'raise TemplateRuntimeError("No {dependency[:-1]}' + f' named {name!r} found.")' + ) + self.outdent() + self.outdent() + + def enter_frame(self, frame: Frame) -> None: + undefs = [] + for target, (action, param) in frame.symbols.loads.items(): + if action == VAR_LOAD_PARAMETER: + pass + elif action == VAR_LOAD_RESOLVE: + self.writeline(f"{target} = {self.get_resolve_func()}({param!r})") + elif action == VAR_LOAD_ALIAS: + self.writeline(f"{target} = {param}") + elif action == VAR_LOAD_UNDEFINED: + undefs.append(target) + else: + raise NotImplementedError("unknown load instruction") + if undefs: + self.writeline(f"{' = '.join(undefs)} = missing") + + def leave_frame(self, frame: Frame, with_python_scope: bool = False) -> None: + if not with_python_scope: + undefs = [] + for target in frame.symbols.loads: + undefs.append(target) + if undefs: + self.writeline(f"{' = '.join(undefs)} = missing") + + def choose_async(self, async_value: str = "async ", sync_value: str = "") -> str: + return async_value if self.environment.is_async else sync_value + + def func(self, name: str) -> str: + return f"{self.choose_async()}def {name}" + + def macro_body( + self, node: t.Union[nodes.Macro, nodes.CallBlock], frame: Frame + ) -> t.Tuple[Frame, MacroRef]: + """Dump the function def of a macro or call block.""" + frame = frame.inner() + frame.symbols.analyze_node(node) + macro_ref = MacroRef(node) + + explicit_caller = None + skip_special_params = set() + args = [] + + for idx, arg in enumerate(node.args): + if arg.name == "caller": + explicit_caller = idx + if arg.name in ("kwargs", "varargs"): + skip_special_params.add(arg.name) + args.append(frame.symbols.ref(arg.name)) + + undeclared = find_undeclared(node.body, ("caller", "kwargs", "varargs")) + + if "caller" in undeclared: + # In older Jinja versions there was a bug that allowed caller + # to retain the special behavior even if it was mentioned in + # the argument list. However thankfully this was only really + # working if it was the last argument. So we are explicitly + # checking this now and error out if it is anywhere else in + # the argument list. + if explicit_caller is not None: + try: + node.defaults[explicit_caller - len(node.args)] + except IndexError: + self.fail( + "When defining macros or call blocks the " + 'special "caller" argument must be omitted ' + "or be given a default.", + node.lineno, + ) + else: + args.append(frame.symbols.declare_parameter("caller")) + macro_ref.accesses_caller = True + if "kwargs" in undeclared and "kwargs" not in skip_special_params: + args.append(frame.symbols.declare_parameter("kwargs")) + macro_ref.accesses_kwargs = True + if "varargs" in undeclared and "varargs" not in skip_special_params: + args.append(frame.symbols.declare_parameter("varargs")) + macro_ref.accesses_varargs = True + + # macros are delayed, they never require output checks + frame.require_output_check = False + frame.symbols.analyze_node(node) + self.writeline(f"{self.func('macro')}({', '.join(args)}):", node) + self.indent() + + self.buffer(frame) + self.enter_frame(frame) + + self.push_parameter_definitions(frame) + for idx, arg in enumerate(node.args): + ref = frame.symbols.ref(arg.name) + self.writeline(f"if {ref} is missing:") + self.indent() + try: + default = node.defaults[idx - len(node.args)] + except IndexError: + self.writeline( + f'{ref} = undefined("parameter {arg.name!r} was not provided",' + f" name={arg.name!r})" + ) + else: + self.writeline(f"{ref} = ") + self.visit(default, frame) + self.mark_parameter_stored(ref) + self.outdent() + self.pop_parameter_definitions() + + self.blockvisit(node.body, frame) + self.return_buffer_contents(frame, force_unescaped=True) + self.leave_frame(frame, with_python_scope=True) + self.outdent() + + return frame, macro_ref + + def macro_def(self, macro_ref: MacroRef, frame: Frame) -> None: + """Dump the macro definition for the def created by macro_body.""" + arg_tuple = ", ".join(repr(x.name) for x in macro_ref.node.args) + name = getattr(macro_ref.node, "name", None) + if len(macro_ref.node.args) == 1: + arg_tuple += "," + self.write( + f"Macro(environment, macro, {name!r}, ({arg_tuple})," + f" {macro_ref.accesses_kwargs!r}, {macro_ref.accesses_varargs!r}," + f" {macro_ref.accesses_caller!r}, context.eval_ctx.autoescape)" + ) + + def position(self, node: nodes.Node) -> str: + """Return a human readable position for the node.""" + rv = f"line {node.lineno}" + if self.name is not None: + rv = f"{rv} in {self.name!r}" + return rv + + def dump_local_context(self, frame: Frame) -> str: + items_kv = ", ".join( + f"{name!r}: {target}" + for name, target in frame.symbols.dump_stores().items() + ) + return f"{{{items_kv}}}" + + def write_commons(self) -> None: + """Writes a common preamble that is used by root and block functions. + Primarily this sets up common local helpers and enforces a generator + through a dead branch. + """ + self.writeline("resolve = context.resolve_or_missing") + self.writeline("undefined = environment.undefined") + self.writeline("concat = environment.concat") + # always use the standard Undefined class for the implicit else of + # conditional expressions + self.writeline("cond_expr_undefined = Undefined") + self.writeline("if 0: yield None") + + def push_parameter_definitions(self, frame: Frame) -> None: + """Pushes all parameter targets from the given frame into a local + stack that permits tracking of yet to be assigned parameters. In + particular this enables the optimization from `visit_Name` to skip + undefined expressions for parameters in macros as macros can reference + otherwise unbound parameters. + """ + self._param_def_block.append(frame.symbols.dump_param_targets()) + + def pop_parameter_definitions(self) -> None: + """Pops the current parameter definitions set.""" + self._param_def_block.pop() + + def mark_parameter_stored(self, target: str) -> None: + """Marks a parameter in the current parameter definitions as stored. + This will skip the enforced undefined checks. + """ + if self._param_def_block: + self._param_def_block[-1].discard(target) + + def push_context_reference(self, target: str) -> None: + self._context_reference_stack.append(target) + + def pop_context_reference(self) -> None: + self._context_reference_stack.pop() + + def get_context_ref(self) -> str: + return self._context_reference_stack[-1] + + def get_resolve_func(self) -> str: + target = self._context_reference_stack[-1] + if target == "context": + return "resolve" + return f"{target}.resolve" + + def derive_context(self, frame: Frame) -> str: + return f"{self.get_context_ref()}.derived({self.dump_local_context(frame)})" + + def parameter_is_undeclared(self, target: str) -> bool: + """Checks if a given target is an undeclared parameter.""" + if not self._param_def_block: + return False + return target in self._param_def_block[-1] + + def push_assign_tracking(self) -> None: + """Pushes a new layer for assignment tracking.""" + self._assign_stack.append(set()) + + def pop_assign_tracking(self, frame: Frame) -> None: + """Pops the topmost level for assignment tracking and updates the + context variables if necessary. + """ + vars = self._assign_stack.pop() + if ( + not frame.block_frame + and not frame.loop_frame + and not frame.toplevel + or not vars + ): + return + public_names = [x for x in vars if x[:1] != "_"] + if len(vars) == 1: + name = next(iter(vars)) + ref = frame.symbols.ref(name) + if frame.loop_frame: + self.writeline(f"_loop_vars[{name!r}] = {ref}") + return + if frame.block_frame: + self.writeline(f"_block_vars[{name!r}] = {ref}") + return + self.writeline(f"context.vars[{name!r}] = {ref}") + else: + if frame.loop_frame: + self.writeline("_loop_vars.update({") + elif frame.block_frame: + self.writeline("_block_vars.update({") + else: + self.writeline("context.vars.update({") + for idx, name in enumerate(vars): + if idx: + self.write(", ") + ref = frame.symbols.ref(name) + self.write(f"{name!r}: {ref}") + self.write("})") + if not frame.block_frame and not frame.loop_frame and public_names: + if len(public_names) == 1: + self.writeline(f"context.exported_vars.add({public_names[0]!r})") + else: + names_str = ", ".join(map(repr, public_names)) + self.writeline(f"context.exported_vars.update(({names_str}))") + + # -- Statement Visitors + + def visit_Template( + self, node: nodes.Template, frame: t.Optional[Frame] = None + ) -> None: + assert frame is None, "no root frame allowed" + eval_ctx = EvalContext(self.environment, self.name) + + from .runtime import exported, async_exported + + if self.environment.is_async: + exported_names = sorted(exported + async_exported) + else: + exported_names = sorted(exported) + + self.writeline("from jinja2.runtime import " + ", ".join(exported_names)) + + # if we want a deferred initialization we cannot move the + # environment into a local name + envenv = "" if self.defer_init else ", environment=environment" + + # do we have an extends tag at all? If not, we can save some + # overhead by just not processing any inheritance code. + have_extends = node.find(nodes.Extends) is not None + + # find all blocks + for block in node.find_all(nodes.Block): + if block.name in self.blocks: + self.fail(f"block {block.name!r} defined twice", block.lineno) + self.blocks[block.name] = block + + # find all imports and import them + for import_ in node.find_all(nodes.ImportedName): + if import_.importname not in self.import_aliases: + imp = import_.importname + self.import_aliases[imp] = alias = self.temporary_identifier() + if "." in imp: + module, obj = imp.rsplit(".", 1) + self.writeline(f"from {module} import {obj} as {alias}") + else: + self.writeline(f"import {imp} as {alias}") + + # add the load name + self.writeline(f"name = {self.name!r}") + + # generate the root render function. + self.writeline( + f"{self.func('root')}(context, missing=missing{envenv}):", extra=1 + ) + self.indent() + self.write_commons() + + # process the root + frame = Frame(eval_ctx) + if "self" in find_undeclared(node.body, ("self",)): + ref = frame.symbols.declare_parameter("self") + self.writeline(f"{ref} = TemplateReference(context)") + frame.symbols.analyze_node(node) + frame.toplevel = frame.rootlevel = True + frame.require_output_check = have_extends and not self.has_known_extends + if have_extends: + self.writeline("parent_template = None") + self.enter_frame(frame) + self.pull_dependencies(node.body) + self.blockvisit(node.body, frame) + self.leave_frame(frame, with_python_scope=True) + self.outdent() + + # make sure that the parent root is called. + if have_extends: + if not self.has_known_extends: + self.indent() + self.writeline("if parent_template is not None:") + self.indent() + if not self.environment.is_async: + self.writeline("yield from parent_template.root_render_func(context)") + else: + self.writeline( + "async for event in parent_template.root_render_func(context):" + ) + self.indent() + self.writeline("yield event") + self.outdent() + self.outdent(1 + (not self.has_known_extends)) + + # at this point we now have the blocks collected and can visit them too. + for name, block in self.blocks.items(): + self.writeline( + f"{self.func('block_' + name)}(context, missing=missing{envenv}):", + block, + 1, + ) + self.indent() + self.write_commons() + # It's important that we do not make this frame a child of the + # toplevel template. This would cause a variety of + # interesting issues with identifier tracking. + block_frame = Frame(eval_ctx) + block_frame.block_frame = True + undeclared = find_undeclared(block.body, ("self", "super")) + if "self" in undeclared: + ref = block_frame.symbols.declare_parameter("self") + self.writeline(f"{ref} = TemplateReference(context)") + if "super" in undeclared: + ref = block_frame.symbols.declare_parameter("super") + self.writeline(f"{ref} = context.super({name!r}, block_{name})") + block_frame.symbols.analyze_node(block) + block_frame.block = name + self.writeline("_block_vars = {}") + self.enter_frame(block_frame) + self.pull_dependencies(block.body) + self.blockvisit(block.body, block_frame) + self.leave_frame(block_frame, with_python_scope=True) + self.outdent() + + blocks_kv_str = ", ".join(f"{x!r}: block_{x}" for x in self.blocks) + self.writeline(f"blocks = {{{blocks_kv_str}}}", extra=1) + debug_kv_str = "&".join(f"{k}={v}" for k, v in self.debug_info) + self.writeline(f"debug_info = {debug_kv_str!r}") + + def visit_Block(self, node: nodes.Block, frame: Frame) -> None: + """Call a block and register it for the template.""" + level = 0 + if frame.toplevel: + # if we know that we are a child template, there is no need to + # check if we are one + if self.has_known_extends: + return + if self.extends_so_far > 0: + self.writeline("if parent_template is None:") + self.indent() + level += 1 + + if node.scoped: + context = self.derive_context(frame) + else: + context = self.get_context_ref() + + if node.required: + self.writeline(f"if len(context.blocks[{node.name!r}]) <= 1:", node) + self.indent() + self.writeline( + f'raise TemplateRuntimeError("Required block {node.name!r} not found")', + node, + ) + self.outdent() + + if not self.environment.is_async and frame.buffer is None: + self.writeline( + f"yield from context.blocks[{node.name!r}][0]({context})", node + ) + else: + self.writeline( + f"{self.choose_async()}for event in" + f" context.blocks[{node.name!r}][0]({context}):", + node, + ) + self.indent() + self.simple_write("event", frame) + self.outdent() + + self.outdent(level) + + def visit_Extends(self, node: nodes.Extends, frame: Frame) -> None: + """Calls the extender.""" + if not frame.toplevel: + self.fail("cannot use extend from a non top-level scope", node.lineno) + + # if the number of extends statements in general is zero so + # far, we don't have to add a check if something extended + # the template before this one. + if self.extends_so_far > 0: + + # if we have a known extends we just add a template runtime + # error into the generated code. We could catch that at compile + # time too, but i welcome it not to confuse users by throwing the + # same error at different times just "because we can". + if not self.has_known_extends: + self.writeline("if parent_template is not None:") + self.indent() + self.writeline('raise TemplateRuntimeError("extended multiple times")') + + # if we have a known extends already we don't need that code here + # as we know that the template execution will end here. + if self.has_known_extends: + raise CompilerExit() + else: + self.outdent() + + self.writeline("parent_template = environment.get_template(", node) + self.visit(node.template, frame) + self.write(f", {self.name!r})") + self.writeline("for name, parent_block in parent_template.blocks.items():") + self.indent() + self.writeline("context.blocks.setdefault(name, []).append(parent_block)") + self.outdent() + + # if this extends statement was in the root level we can take + # advantage of that information and simplify the generated code + # in the top level from this point onwards + if frame.rootlevel: + self.has_known_extends = True + + # and now we have one more + self.extends_so_far += 1 + + def visit_Include(self, node: nodes.Include, frame: Frame) -> None: + """Handles includes.""" + if node.ignore_missing: + self.writeline("try:") + self.indent() + + func_name = "get_or_select_template" + if isinstance(node.template, nodes.Const): + if isinstance(node.template.value, str): + func_name = "get_template" + elif isinstance(node.template.value, (tuple, list)): + func_name = "select_template" + elif isinstance(node.template, (nodes.Tuple, nodes.List)): + func_name = "select_template" + + self.writeline(f"template = environment.{func_name}(", node) + self.visit(node.template, frame) + self.write(f", {self.name!r})") + if node.ignore_missing: + self.outdent() + self.writeline("except TemplateNotFound:") + self.indent() + self.writeline("pass") + self.outdent() + self.writeline("else:") + self.indent() + + skip_event_yield = False + if node.with_context: + self.writeline( + f"{self.choose_async()}for event in template.root_render_func(" + "template.new_context(context.get_all(), True," + f" {self.dump_local_context(frame)})):" + ) + elif self.environment.is_async: + self.writeline( + "for event in (await template._get_default_module_async())" + "._body_stream:" + ) + else: + self.writeline("yield from template._get_default_module()._body_stream") + skip_event_yield = True + + if not skip_event_yield: + self.indent() + self.simple_write("event", frame) + self.outdent() + + if node.ignore_missing: + self.outdent() + + def _import_common( + self, node: t.Union[nodes.Import, nodes.FromImport], frame: Frame + ) -> None: + self.write(f"{self.choose_async('await ')}environment.get_template(") + self.visit(node.template, frame) + self.write(f", {self.name!r}).") + + if node.with_context: + f_name = f"make_module{self.choose_async('_async')}" + self.write( + f"{f_name}(context.get_all(), True, {self.dump_local_context(frame)})" + ) + else: + self.write(f"_get_default_module{self.choose_async('_async')}(context)") + + def visit_Import(self, node: nodes.Import, frame: Frame) -> None: + """Visit regular imports.""" + self.writeline(f"{frame.symbols.ref(node.target)} = ", node) + if frame.toplevel: + self.write(f"context.vars[{node.target!r}] = ") + + self._import_common(node, frame) + + if frame.toplevel and not node.target.startswith("_"): + self.writeline(f"context.exported_vars.discard({node.target!r})") + + def visit_FromImport(self, node: nodes.FromImport, frame: Frame) -> None: + """Visit named imports.""" + self.newline(node) + self.write("included_template = ") + self._import_common(node, frame) + var_names = [] + discarded_names = [] + for name in node.names: + if isinstance(name, tuple): + name, alias = name + else: + alias = name + self.writeline( + f"{frame.symbols.ref(alias)} =" + f" getattr(included_template, {name!r}, missing)" + ) + self.writeline(f"if {frame.symbols.ref(alias)} is missing:") + self.indent() + message = ( + "the template {included_template.__name__!r}" + f" (imported on {self.position(node)})" + f" does not export the requested name {name!r}" + ) + self.writeline( + f"{frame.symbols.ref(alias)} = undefined(f{message!r}, name={name!r})" + ) + self.outdent() + if frame.toplevel: + var_names.append(alias) + if not alias.startswith("_"): + discarded_names.append(alias) + + if var_names: + if len(var_names) == 1: + name = var_names[0] + self.writeline(f"context.vars[{name!r}] = {frame.symbols.ref(name)}") + else: + names_kv = ", ".join( + f"{name!r}: {frame.symbols.ref(name)}" for name in var_names + ) + self.writeline(f"context.vars.update({{{names_kv}}})") + if discarded_names: + if len(discarded_names) == 1: + self.writeline(f"context.exported_vars.discard({discarded_names[0]!r})") + else: + names_str = ", ".join(map(repr, discarded_names)) + self.writeline( + f"context.exported_vars.difference_update(({names_str}))" + ) + + def visit_For(self, node: nodes.For, frame: Frame) -> None: + loop_frame = frame.inner() + loop_frame.loop_frame = True + test_frame = frame.inner() + else_frame = frame.inner() + + # try to figure out if we have an extended loop. An extended loop + # is necessary if the loop is in recursive mode if the special loop + # variable is accessed in the body if the body is a scoped block. + extended_loop = ( + node.recursive + or "loop" + in find_undeclared(node.iter_child_nodes(only=("body",)), ("loop",)) + or any(block.scoped for block in node.find_all(nodes.Block)) + ) + + loop_ref = None + if extended_loop: + loop_ref = loop_frame.symbols.declare_parameter("loop") + + loop_frame.symbols.analyze_node(node, for_branch="body") + if node.else_: + else_frame.symbols.analyze_node(node, for_branch="else") + + if node.test: + loop_filter_func = self.temporary_identifier() + test_frame.symbols.analyze_node(node, for_branch="test") + self.writeline(f"{self.func(loop_filter_func)}(fiter):", node.test) + self.indent() + self.enter_frame(test_frame) + self.writeline(self.choose_async("async for ", "for ")) + self.visit(node.target, loop_frame) + self.write(" in ") + self.write(self.choose_async("auto_aiter(fiter)", "fiter")) + self.write(":") + self.indent() + self.writeline("if ", node.test) + self.visit(node.test, test_frame) + self.write(":") + self.indent() + self.writeline("yield ") + self.visit(node.target, loop_frame) + self.outdent(3) + self.leave_frame(test_frame, with_python_scope=True) + + # if we don't have an recursive loop we have to find the shadowed + # variables at that point. Because loops can be nested but the loop + # variable is a special one we have to enforce aliasing for it. + if node.recursive: + self.writeline( + f"{self.func('loop')}(reciter, loop_render_func, depth=0):", node + ) + self.indent() + self.buffer(loop_frame) + + # Use the same buffer for the else frame + else_frame.buffer = loop_frame.buffer + + # make sure the loop variable is a special one and raise a template + # assertion error if a loop tries to write to loop + if extended_loop: + self.writeline(f"{loop_ref} = missing") + + for name in node.find_all(nodes.Name): + if name.ctx == "store" and name.name == "loop": + self.fail( + "Can't assign to special loop variable in for-loop target", + name.lineno, + ) + + if node.else_: + iteration_indicator = self.temporary_identifier() + self.writeline(f"{iteration_indicator} = 1") + + self.writeline(self.choose_async("async for ", "for "), node) + self.visit(node.target, loop_frame) + if extended_loop: + self.write(f", {loop_ref} in {self.choose_async('Async')}LoopContext(") + else: + self.write(" in ") + + if node.test: + self.write(f"{loop_filter_func}(") + if node.recursive: + self.write("reciter") + else: + if self.environment.is_async and not extended_loop: + self.write("auto_aiter(") + self.visit(node.iter, frame) + if self.environment.is_async and not extended_loop: + self.write(")") + if node.test: + self.write(")") + + if node.recursive: + self.write(", undefined, loop_render_func, depth):") + else: + self.write(", undefined):" if extended_loop else ":") + + self.indent() + self.enter_frame(loop_frame) + + self.writeline("_loop_vars = {}") + self.blockvisit(node.body, loop_frame) + if node.else_: + self.writeline(f"{iteration_indicator} = 0") + self.outdent() + self.leave_frame( + loop_frame, with_python_scope=node.recursive and not node.else_ + ) + + if node.else_: + self.writeline(f"if {iteration_indicator}:") + self.indent() + self.enter_frame(else_frame) + self.blockvisit(node.else_, else_frame) + self.leave_frame(else_frame) + self.outdent() + + # if the node was recursive we have to return the buffer contents + # and start the iteration code + if node.recursive: + self.return_buffer_contents(loop_frame) + self.outdent() + self.start_write(frame, node) + self.write(f"{self.choose_async('await ')}loop(") + if self.environment.is_async: + self.write("auto_aiter(") + self.visit(node.iter, frame) + if self.environment.is_async: + self.write(")") + self.write(", loop)") + self.end_write(frame) + + # at the end of the iteration, clear any assignments made in the + # loop from the top level + if self._assign_stack: + self._assign_stack[-1].difference_update(loop_frame.symbols.stores) + + def visit_If(self, node: nodes.If, frame: Frame) -> None: + if_frame = frame.soft() + self.writeline("if ", node) + self.visit(node.test, if_frame) + self.write(":") + self.indent() + self.blockvisit(node.body, if_frame) + self.outdent() + for elif_ in node.elif_: + self.writeline("elif ", elif_) + self.visit(elif_.test, if_frame) + self.write(":") + self.indent() + self.blockvisit(elif_.body, if_frame) + self.outdent() + if node.else_: + self.writeline("else:") + self.indent() + self.blockvisit(node.else_, if_frame) + self.outdent() + + def visit_Macro(self, node: nodes.Macro, frame: Frame) -> None: + macro_frame, macro_ref = self.macro_body(node, frame) + self.newline() + if frame.toplevel: + if not node.name.startswith("_"): + self.write(f"context.exported_vars.add({node.name!r})") + self.writeline(f"context.vars[{node.name!r}] = ") + self.write(f"{frame.symbols.ref(node.name)} = ") + self.macro_def(macro_ref, macro_frame) + + def visit_CallBlock(self, node: nodes.CallBlock, frame: Frame) -> None: + call_frame, macro_ref = self.macro_body(node, frame) + self.writeline("caller = ") + self.macro_def(macro_ref, call_frame) + self.start_write(frame, node) + self.visit_Call(node.call, frame, forward_caller=True) + self.end_write(frame) + + def visit_FilterBlock(self, node: nodes.FilterBlock, frame: Frame) -> None: + filter_frame = frame.inner() + filter_frame.symbols.analyze_node(node) + self.enter_frame(filter_frame) + self.buffer(filter_frame) + self.blockvisit(node.body, filter_frame) + self.start_write(frame, node) + self.visit_Filter(node.filter, filter_frame) + self.end_write(frame) + self.leave_frame(filter_frame) + + def visit_With(self, node: nodes.With, frame: Frame) -> None: + with_frame = frame.inner() + with_frame.symbols.analyze_node(node) + self.enter_frame(with_frame) + for target, expr in zip(node.targets, node.values): + self.newline() + self.visit(target, with_frame) + self.write(" = ") + self.visit(expr, frame) + self.blockvisit(node.body, with_frame) + self.leave_frame(with_frame) + + def visit_ExprStmt(self, node: nodes.ExprStmt, frame: Frame) -> None: + self.newline(node) + self.visit(node.node, frame) + + class _FinalizeInfo(t.NamedTuple): + const: t.Optional[t.Callable[..., str]] + src: t.Optional[str] + + @staticmethod + def _default_finalize(value: t.Any) -> t.Any: + """The default finalize function if the environment isn't + configured with one. Or, if the environment has one, this is + called on that function's output for constants. + """ + return str(value) + + _finalize: t.Optional[_FinalizeInfo] = None + + def _make_finalize(self) -> _FinalizeInfo: + """Build the finalize function to be used on constants and at + runtime. Cached so it's only created once for all output nodes. + + Returns a ``namedtuple`` with the following attributes: + + ``const`` + A function to finalize constant data at compile time. + + ``src`` + Source code to output around nodes to be evaluated at + runtime. + """ + if self._finalize is not None: + return self._finalize + + finalize: t.Optional[t.Callable[..., t.Any]] + finalize = default = self._default_finalize + src = None + + if self.environment.finalize: + src = "environment.finalize(" + env_finalize = self.environment.finalize + pass_arg = { + _PassArg.context: "context", + _PassArg.eval_context: "context.eval_ctx", + _PassArg.environment: "environment", + }.get( + _PassArg.from_obj(env_finalize) # type: ignore + ) + finalize = None + + if pass_arg is None: + + def finalize(value: t.Any) -> t.Any: + return default(env_finalize(value)) + + else: + src = f"{src}{pass_arg}, " + + if pass_arg == "environment": + + def finalize(value: t.Any) -> t.Any: + return default(env_finalize(self.environment, value)) + + self._finalize = self._FinalizeInfo(finalize, src) + return self._finalize + + def _output_const_repr(self, group: t.Iterable[t.Any]) -> str: + """Given a group of constant values converted from ``Output`` + child nodes, produce a string to write to the template module + source. + """ + return repr(concat(group)) + + def _output_child_to_const( + self, node: nodes.Expr, frame: Frame, finalize: _FinalizeInfo + ) -> str: + """Try to optimize a child of an ``Output`` node by trying to + convert it to constant, finalized data at compile time. + + If :exc:`Impossible` is raised, the node is not constant and + will be evaluated at runtime. Any other exception will also be + evaluated at runtime for easier debugging. + """ + const = node.as_const(frame.eval_ctx) + + if frame.eval_ctx.autoescape: + const = escape(const) + + # Template data doesn't go through finalize. + if isinstance(node, nodes.TemplateData): + return str(const) + + return finalize.const(const) # type: ignore + + def _output_child_pre( + self, node: nodes.Expr, frame: Frame, finalize: _FinalizeInfo + ) -> None: + """Output extra source code before visiting a child of an + ``Output`` node. + """ + if frame.eval_ctx.volatile: + self.write("(escape if context.eval_ctx.autoescape else str)(") + elif frame.eval_ctx.autoescape: + self.write("escape(") + else: + self.write("str(") + + if finalize.src is not None: + self.write(finalize.src) + + def _output_child_post( + self, node: nodes.Expr, frame: Frame, finalize: _FinalizeInfo + ) -> None: + """Output extra source code after visiting a child of an + ``Output`` node. + """ + self.write(")") + + if finalize.src is not None: + self.write(")") + + def visit_Output(self, node: nodes.Output, frame: Frame) -> None: + # If an extends is active, don't render outside a block. + if frame.require_output_check: + # A top-level extends is known to exist at compile time. + if self.has_known_extends: + return + + self.writeline("if parent_template is None:") + self.indent() + + finalize = self._make_finalize() + body: t.List[t.Union[t.List[t.Any], nodes.Expr]] = [] + + # Evaluate constants at compile time if possible. Each item in + # body will be either a list of static data or a node to be + # evaluated at runtime. + for child in node.nodes: + try: + if not ( + # If the finalize function requires runtime context, + # constants can't be evaluated at compile time. + finalize.const + # Unless it's basic template data that won't be + # finalized anyway. + or isinstance(child, nodes.TemplateData) + ): + raise nodes.Impossible() + + const = self._output_child_to_const(child, frame, finalize) + except (nodes.Impossible, Exception): + # The node was not constant and needs to be evaluated at + # runtime. Or another error was raised, which is easier + # to debug at runtime. + body.append(child) + continue + + if body and isinstance(body[-1], list): + body[-1].append(const) + else: + body.append([const]) + + if frame.buffer is not None: + if len(body) == 1: + self.writeline(f"{frame.buffer}.append(") + else: + self.writeline(f"{frame.buffer}.extend((") + + self.indent() + + for item in body: + if isinstance(item, list): + # A group of constant data to join and output. + val = self._output_const_repr(item) + + if frame.buffer is None: + self.writeline("yield " + val) + else: + self.writeline(val + ",") + else: + if frame.buffer is None: + self.writeline("yield ", item) + else: + self.newline(item) + + # A node to be evaluated at runtime. + self._output_child_pre(item, frame, finalize) + self.visit(item, frame) + self._output_child_post(item, frame, finalize) + + if frame.buffer is not None: + self.write(",") + + if frame.buffer is not None: + self.outdent() + self.writeline(")" if len(body) == 1 else "))") + + if frame.require_output_check: + self.outdent() + + def visit_Assign(self, node: nodes.Assign, frame: Frame) -> None: + self.push_assign_tracking() + self.newline(node) + self.visit(node.target, frame) + self.write(" = ") + self.visit(node.node, frame) + self.pop_assign_tracking(frame) + + def visit_AssignBlock(self, node: nodes.AssignBlock, frame: Frame) -> None: + self.push_assign_tracking() + block_frame = frame.inner() + # This is a special case. Since a set block always captures we + # will disable output checks. This way one can use set blocks + # toplevel even in extended templates. + block_frame.require_output_check = False + block_frame.symbols.analyze_node(node) + self.enter_frame(block_frame) + self.buffer(block_frame) + self.blockvisit(node.body, block_frame) + self.newline(node) + self.visit(node.target, frame) + self.write(" = (Markup if context.eval_ctx.autoescape else identity)(") + if node.filter is not None: + self.visit_Filter(node.filter, block_frame) + else: + self.write(f"concat({block_frame.buffer})") + self.write(")") + self.pop_assign_tracking(frame) + self.leave_frame(block_frame) + + # -- Expression Visitors + + def visit_Name(self, node: nodes.Name, frame: Frame) -> None: + if node.ctx == "store" and ( + frame.toplevel or frame.loop_frame or frame.block_frame + ): + if self._assign_stack: + self._assign_stack[-1].add(node.name) + ref = frame.symbols.ref(node.name) + + # If we are looking up a variable we might have to deal with the + # case where it's undefined. We can skip that case if the load + # instruction indicates a parameter which are always defined. + if node.ctx == "load": + load = frame.symbols.find_load(ref) + if not ( + load is not None + and load[0] == VAR_LOAD_PARAMETER + and not self.parameter_is_undeclared(ref) + ): + self.write( + f"(undefined(name={node.name!r}) if {ref} is missing else {ref})" + ) + return + + self.write(ref) + + def visit_NSRef(self, node: nodes.NSRef, frame: Frame) -> None: + # NSRefs can only be used to store values; since they use the normal + # `foo.bar` notation they will be parsed as a normal attribute access + # when used anywhere but in a `set` context + ref = frame.symbols.ref(node.name) + self.writeline(f"if not isinstance({ref}, Namespace):") + self.indent() + self.writeline( + "raise TemplateRuntimeError" + '("cannot assign attribute on non-namespace object")' + ) + self.outdent() + self.writeline(f"{ref}[{node.attr!r}]") + + def visit_Const(self, node: nodes.Const, frame: Frame) -> None: + val = node.as_const(frame.eval_ctx) + if isinstance(val, float): + self.write(str(val)) + else: + self.write(repr(val)) + + def visit_TemplateData(self, node: nodes.TemplateData, frame: Frame) -> None: + try: + self.write(repr(node.as_const(frame.eval_ctx))) + except nodes.Impossible: + self.write( + f"(Markup if context.eval_ctx.autoescape else identity)({node.data!r})" + ) + + def visit_Tuple(self, node: nodes.Tuple, frame: Frame) -> None: + self.write("(") + idx = -1 + for idx, item in enumerate(node.items): + if idx: + self.write(", ") + self.visit(item, frame) + self.write(",)" if idx == 0 else ")") + + def visit_List(self, node: nodes.List, frame: Frame) -> None: + self.write("[") + for idx, item in enumerate(node.items): + if idx: + self.write(", ") + self.visit(item, frame) + self.write("]") + + def visit_Dict(self, node: nodes.Dict, frame: Frame) -> None: + self.write("{") + for idx, item in enumerate(node.items): + if idx: + self.write(", ") + self.visit(item.key, frame) + self.write(": ") + self.visit(item.value, frame) + self.write("}") + + visit_Add = _make_binop("+") + visit_Sub = _make_binop("-") + visit_Mul = _make_binop("*") + visit_Div = _make_binop("/") + visit_FloorDiv = _make_binop("//") + visit_Pow = _make_binop("**") + visit_Mod = _make_binop("%") + visit_And = _make_binop("and") + visit_Or = _make_binop("or") + visit_Pos = _make_unop("+") + visit_Neg = _make_unop("-") + visit_Not = _make_unop("not ") + + @optimizeconst + def visit_Concat(self, node: nodes.Concat, frame: Frame) -> None: + if frame.eval_ctx.volatile: + func_name = "(markup_join if context.eval_ctx.volatile else str_join)" + elif frame.eval_ctx.autoescape: + func_name = "markup_join" + else: + func_name = "str_join" + self.write(f"{func_name}((") + for arg in node.nodes: + self.visit(arg, frame) + self.write(", ") + self.write("))") + + @optimizeconst + def visit_Compare(self, node: nodes.Compare, frame: Frame) -> None: + self.write("(") + self.visit(node.expr, frame) + for op in node.ops: + self.visit(op, frame) + self.write(")") + + def visit_Operand(self, node: nodes.Operand, frame: Frame) -> None: + self.write(f" {operators[node.op]} ") + self.visit(node.expr, frame) + + @optimizeconst + def visit_Getattr(self, node: nodes.Getattr, frame: Frame) -> None: + if self.environment.is_async: + self.write("(await auto_await(") + + self.write("environment.getattr(") + self.visit(node.node, frame) + self.write(f", {node.attr!r})") + + if self.environment.is_async: + self.write("))") + + @optimizeconst + def visit_Getitem(self, node: nodes.Getitem, frame: Frame) -> None: + # slices bypass the environment getitem method. + if isinstance(node.arg, nodes.Slice): + self.visit(node.node, frame) + self.write("[") + self.visit(node.arg, frame) + self.write("]") + else: + if self.environment.is_async: + self.write("(await auto_await(") + + self.write("environment.getitem(") + self.visit(node.node, frame) + self.write(", ") + self.visit(node.arg, frame) + self.write(")") + + if self.environment.is_async: + self.write("))") + + def visit_Slice(self, node: nodes.Slice, frame: Frame) -> None: + if node.start is not None: + self.visit(node.start, frame) + self.write(":") + if node.stop is not None: + self.visit(node.stop, frame) + if node.step is not None: + self.write(":") + self.visit(node.step, frame) + + @contextmanager + def _filter_test_common( + self, node: t.Union[nodes.Filter, nodes.Test], frame: Frame, is_filter: bool + ) -> t.Iterator[None]: + if self.environment.is_async: + self.write("(await auto_await(") + + if is_filter: + self.write(f"{self.filters[node.name]}(") + func = self.environment.filters.get(node.name) + else: + self.write(f"{self.tests[node.name]}(") + func = self.environment.tests.get(node.name) + + # When inside an If or CondExpr frame, allow the filter to be + # undefined at compile time and only raise an error if it's + # actually called at runtime. See pull_dependencies. + if func is None and not frame.soft_frame: + type_name = "filter" if is_filter else "test" + self.fail(f"No {type_name} named {node.name!r}.", node.lineno) + + pass_arg = { + _PassArg.context: "context", + _PassArg.eval_context: "context.eval_ctx", + _PassArg.environment: "environment", + }.get( + _PassArg.from_obj(func) # type: ignore + ) + + if pass_arg is not None: + self.write(f"{pass_arg}, ") + + # Back to the visitor function to handle visiting the target of + # the filter or test. + yield + + self.signature(node, frame) + self.write(")") + + if self.environment.is_async: + self.write("))") + + @optimizeconst + def visit_Filter(self, node: nodes.Filter, frame: Frame) -> None: + with self._filter_test_common(node, frame, True): + # if the filter node is None we are inside a filter block + # and want to write to the current buffer + if node.node is not None: + self.visit(node.node, frame) + elif frame.eval_ctx.volatile: + self.write( + f"(Markup(concat({frame.buffer}))" + f" if context.eval_ctx.autoescape else concat({frame.buffer}))" + ) + elif frame.eval_ctx.autoescape: + self.write(f"Markup(concat({frame.buffer}))") + else: + self.write(f"concat({frame.buffer})") + + @optimizeconst + def visit_Test(self, node: nodes.Test, frame: Frame) -> None: + with self._filter_test_common(node, frame, False): + self.visit(node.node, frame) + + @optimizeconst + def visit_CondExpr(self, node: nodes.CondExpr, frame: Frame) -> None: + frame = frame.soft() + + def write_expr2() -> None: + if node.expr2 is not None: + self.visit(node.expr2, frame) + return + + self.write( + f'cond_expr_undefined("the inline if-expression on' + f" {self.position(node)} evaluated to false and no else" + f' section was defined.")' + ) + + self.write("(") + self.visit(node.expr1, frame) + self.write(" if ") + self.visit(node.test, frame) + self.write(" else ") + write_expr2() + self.write(")") + + @optimizeconst + def visit_Call( + self, node: nodes.Call, frame: Frame, forward_caller: bool = False + ) -> None: + if self.environment.is_async: + self.write("(await auto_await(") + if self.environment.sandboxed: + self.write("environment.call(context, ") + else: + self.write("context.call(") + self.visit(node.node, frame) + extra_kwargs = {"caller": "caller"} if forward_caller else None + loop_kwargs = {"_loop_vars": "_loop_vars"} if frame.loop_frame else {} + block_kwargs = {"_block_vars": "_block_vars"} if frame.block_frame else {} + if extra_kwargs: + extra_kwargs.update(loop_kwargs, **block_kwargs) + elif loop_kwargs or block_kwargs: + extra_kwargs = dict(loop_kwargs, **block_kwargs) + self.signature(node, frame, extra_kwargs) + self.write(")") + if self.environment.is_async: + self.write("))") + + def visit_Keyword(self, node: nodes.Keyword, frame: Frame) -> None: + self.write(node.key + "=") + self.visit(node.value, frame) + + # -- Unused nodes for extensions + + def visit_MarkSafe(self, node: nodes.MarkSafe, frame: Frame) -> None: + self.write("Markup(") + self.visit(node.expr, frame) + self.write(")") + + def visit_MarkSafeIfAutoescape( + self, node: nodes.MarkSafeIfAutoescape, frame: Frame + ) -> None: + self.write("(Markup if context.eval_ctx.autoescape else identity)(") + self.visit(node.expr, frame) + self.write(")") + + def visit_EnvironmentAttribute( + self, node: nodes.EnvironmentAttribute, frame: Frame + ) -> None: + self.write("environment." + node.name) + + def visit_ExtensionAttribute( + self, node: nodes.ExtensionAttribute, frame: Frame + ) -> None: + self.write(f"environment.extensions[{node.identifier!r}].{node.name}") + + def visit_ImportedName(self, node: nodes.ImportedName, frame: Frame) -> None: + self.write(self.import_aliases[node.importname]) + + def visit_InternalName(self, node: nodes.InternalName, frame: Frame) -> None: + self.write(node.name) + + def visit_ContextReference( + self, node: nodes.ContextReference, frame: Frame + ) -> None: + self.write("context") + + def visit_DerivedContextReference( + self, node: nodes.DerivedContextReference, frame: Frame + ) -> None: + self.write(self.derive_context(frame)) + + def visit_Continue(self, node: nodes.Continue, frame: Frame) -> None: + self.writeline("continue", node) + + def visit_Break(self, node: nodes.Break, frame: Frame) -> None: + self.writeline("break", node) + + def visit_Scope(self, node: nodes.Scope, frame: Frame) -> None: + scope_frame = frame.inner() + scope_frame.symbols.analyze_node(node) + self.enter_frame(scope_frame) + self.blockvisit(node.body, scope_frame) + self.leave_frame(scope_frame) + + def visit_OverlayScope(self, node: nodes.OverlayScope, frame: Frame) -> None: + ctx = self.temporary_identifier() + self.writeline(f"{ctx} = {self.derive_context(frame)}") + self.writeline(f"{ctx}.vars = ") + self.visit(node.context, frame) + self.push_context_reference(ctx) + + scope_frame = frame.inner(isolated=True) + scope_frame.symbols.analyze_node(node) + self.enter_frame(scope_frame) + self.blockvisit(node.body, scope_frame) + self.leave_frame(scope_frame) + self.pop_context_reference() + + def visit_EvalContextModifier( + self, node: nodes.EvalContextModifier, frame: Frame + ) -> None: + for keyword in node.options: + self.writeline(f"context.eval_ctx.{keyword.key} = ") + self.visit(keyword.value, frame) + try: + val = keyword.value.as_const(frame.eval_ctx) + except nodes.Impossible: + frame.eval_ctx.volatile = True + else: + setattr(frame.eval_ctx, keyword.key, val) + + def visit_ScopedEvalContextModifier( + self, node: nodes.ScopedEvalContextModifier, frame: Frame + ) -> None: + old_ctx_name = self.temporary_identifier() + saved_ctx = frame.eval_ctx.save() + self.writeline(f"{old_ctx_name} = context.eval_ctx.save()") + self.visit_EvalContextModifier(node, frame) + for child in node.body: + self.visit(child, frame) + frame.eval_ctx.revert(saved_ctx) + self.writeline(f"context.eval_ctx.revert({old_ctx_name})") diff --git a/venv/lib/python3.12/site-packages/jinja2/constants.py b/venv/lib/python3.12/site-packages/jinja2/constants.py new file mode 100644 index 0000000..41a1c23 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/constants.py @@ -0,0 +1,20 @@ +#: list of lorem ipsum words used by the lipsum() helper function +LOREM_IPSUM_WORDS = """\ +a ac accumsan ad adipiscing aenean aliquam aliquet amet ante aptent arcu at +auctor augue bibendum blandit class commodo condimentum congue consectetuer +consequat conubia convallis cras cubilia cum curabitur curae cursus dapibus +diam dictum dictumst dignissim dis dolor donec dui duis egestas eget eleifend +elementum elit enim erat eros est et etiam eu euismod facilisi facilisis fames +faucibus felis fermentum feugiat fringilla fusce gravida habitant habitasse hac +hendrerit hymenaeos iaculis id imperdiet in inceptos integer interdum ipsum +justo lacinia lacus laoreet lectus leo libero ligula litora lobortis lorem +luctus maecenas magna magnis malesuada massa mattis mauris metus mi molestie +mollis montes morbi mus nam nascetur natoque nec neque netus nibh nisi nisl non +nonummy nostra nulla nullam nunc odio orci ornare parturient pede pellentesque +penatibus per pharetra phasellus placerat platea porta porttitor posuere +potenti praesent pretium primis proin pulvinar purus quam quis quisque rhoncus +ridiculus risus rutrum sagittis sapien scelerisque sed sem semper senectus sit +sociis sociosqu sodales sollicitudin suscipit suspendisse taciti tellus tempor +tempus tincidunt torquent tortor tristique turpis ullamcorper ultrices +ultricies urna ut varius vehicula vel velit venenatis vestibulum vitae vivamus +viverra volutpat vulputate""" diff --git a/venv/lib/python3.12/site-packages/jinja2/debug.py b/venv/lib/python3.12/site-packages/jinja2/debug.py new file mode 100644 index 0000000..7ed7e92 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/debug.py @@ -0,0 +1,191 @@ +import sys +import typing as t +from types import CodeType +from types import TracebackType + +from .exceptions import TemplateSyntaxError +from .utils import internal_code +from .utils import missing + +if t.TYPE_CHECKING: + from .runtime import Context + + +def rewrite_traceback_stack(source: t.Optional[str] = None) -> BaseException: + """Rewrite the current exception to replace any tracebacks from + within compiled template code with tracebacks that look like they + came from the template source. + + This must be called within an ``except`` block. + + :param source: For ``TemplateSyntaxError``, the original source if + known. + :return: The original exception with the rewritten traceback. + """ + _, exc_value, tb = sys.exc_info() + exc_value = t.cast(BaseException, exc_value) + tb = t.cast(TracebackType, tb) + + if isinstance(exc_value, TemplateSyntaxError) and not exc_value.translated: + exc_value.translated = True + exc_value.source = source + # Remove the old traceback, otherwise the frames from the + # compiler still show up. + exc_value.with_traceback(None) + # Outside of runtime, so the frame isn't executing template + # code, but it still needs to point at the template. + tb = fake_traceback( + exc_value, None, exc_value.filename or "", exc_value.lineno + ) + else: + # Skip the frame for the render function. + tb = tb.tb_next + + stack = [] + + # Build the stack of traceback object, replacing any in template + # code with the source file and line information. + while tb is not None: + # Skip frames decorated with @internalcode. These are internal + # calls that aren't useful in template debugging output. + if tb.tb_frame.f_code in internal_code: + tb = tb.tb_next + continue + + template = tb.tb_frame.f_globals.get("__jinja_template__") + + if template is not None: + lineno = template.get_corresponding_lineno(tb.tb_lineno) + fake_tb = fake_traceback(exc_value, tb, template.filename, lineno) + stack.append(fake_tb) + else: + stack.append(tb) + + tb = tb.tb_next + + tb_next = None + + # Assign tb_next in reverse to avoid circular references. + for tb in reversed(stack): + tb.tb_next = tb_next + tb_next = tb + + return exc_value.with_traceback(tb_next) + + +def fake_traceback( # type: ignore + exc_value: BaseException, tb: t.Optional[TracebackType], filename: str, lineno: int +) -> TracebackType: + """Produce a new traceback object that looks like it came from the + template source instead of the compiled code. The filename, line + number, and location name will point to the template, and the local + variables will be the current template context. + + :param exc_value: The original exception to be re-raised to create + the new traceback. + :param tb: The original traceback to get the local variables and + code info from. + :param filename: The template filename. + :param lineno: The line number in the template source. + """ + if tb is not None: + # Replace the real locals with the context that would be + # available at that point in the template. + locals = get_template_locals(tb.tb_frame.f_locals) + locals.pop("__jinja_exception__", None) + else: + locals = {} + + globals = { + "__name__": filename, + "__file__": filename, + "__jinja_exception__": exc_value, + } + # Raise an exception at the correct line number. + code: CodeType = compile( + "\n" * (lineno - 1) + "raise __jinja_exception__", filename, "exec" + ) + + # Build a new code object that points to the template file and + # replaces the location with a block name. + location = "template" + + if tb is not None: + function = tb.tb_frame.f_code.co_name + + if function == "root": + location = "top-level template code" + elif function.startswith("block_"): + location = f"block {function[6:]!r}" + + if sys.version_info >= (3, 8): + code = code.replace(co_name=location) + else: + code = CodeType( + code.co_argcount, + code.co_kwonlyargcount, + code.co_nlocals, + code.co_stacksize, + code.co_flags, + code.co_code, + code.co_consts, + code.co_names, + code.co_varnames, + code.co_filename, + location, + code.co_firstlineno, + code.co_lnotab, + code.co_freevars, + code.co_cellvars, + ) + + # Execute the new code, which is guaranteed to raise, and return + # the new traceback without this frame. + try: + exec(code, globals, locals) + except BaseException: + return sys.exc_info()[2].tb_next # type: ignore + + +def get_template_locals(real_locals: t.Mapping[str, t.Any]) -> t.Dict[str, t.Any]: + """Based on the runtime locals, get the context that would be + available at that point in the template. + """ + # Start with the current template context. + ctx: "t.Optional[Context]" = real_locals.get("context") + + if ctx is not None: + data: t.Dict[str, t.Any] = ctx.get_all().copy() + else: + data = {} + + # Might be in a derived context that only sets local variables + # rather than pushing a context. Local variables follow the scheme + # l_depth_name. Find the highest-depth local that has a value for + # each name. + local_overrides: t.Dict[str, t.Tuple[int, t.Any]] = {} + + for name, value in real_locals.items(): + if not name.startswith("l_") or value is missing: + # Not a template variable, or no longer relevant. + continue + + try: + _, depth_str, name = name.split("_", 2) + depth = int(depth_str) + except ValueError: + continue + + cur_depth = local_overrides.get(name, (-1,))[0] + + if cur_depth < depth: + local_overrides[name] = (depth, value) + + # Modify the context with any derived context. + for name, (_, value) in local_overrides.items(): + if value is missing: + data.pop(name, None) + else: + data[name] = value + + return data diff --git a/venv/lib/python3.12/site-packages/jinja2/defaults.py b/venv/lib/python3.12/site-packages/jinja2/defaults.py new file mode 100644 index 0000000..638cad3 --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/defaults.py @@ -0,0 +1,48 @@ +import typing as t + +from .filters import FILTERS as DEFAULT_FILTERS # noqa: F401 +from .tests import TESTS as DEFAULT_TESTS # noqa: F401 +from .utils import Cycler +from .utils import generate_lorem_ipsum +from .utils import Joiner +from .utils import Namespace + +if t.TYPE_CHECKING: + import typing_extensions as te + +# defaults for the parser / lexer +BLOCK_START_STRING = "{%" +BLOCK_END_STRING = "%}" +VARIABLE_START_STRING = "{{" +VARIABLE_END_STRING = "}}" +COMMENT_START_STRING = "{#" +COMMENT_END_STRING = "#}" +LINE_STATEMENT_PREFIX: t.Optional[str] = None +LINE_COMMENT_PREFIX: t.Optional[str] = None +TRIM_BLOCKS = False +LSTRIP_BLOCKS = False +NEWLINE_SEQUENCE: "te.Literal['\\n', '\\r\\n', '\\r']" = "\n" +KEEP_TRAILING_NEWLINE = False + +# default filters, tests and namespace + +DEFAULT_NAMESPACE = { + "range": range, + "dict": dict, + "lipsum": generate_lorem_ipsum, + "cycler": Cycler, + "joiner": Joiner, + "namespace": Namespace, +} + +# default policies +DEFAULT_POLICIES: t.Dict[str, t.Any] = { + "compiler.ascii_str": True, + "urlize.rel": "noopener", + "urlize.target": None, + "urlize.extra_schemes": None, + "truncate.leeway": 5, + "json.dumps_function": None, + "json.dumps_kwargs": {"sort_keys": True}, + "ext.i18n.trimmed": False, +} diff --git a/venv/lib/python3.12/site-packages/jinja2/environment.py b/venv/lib/python3.12/site-packages/jinja2/environment.py new file mode 100644 index 0000000..ea04e8b --- /dev/null +++ b/venv/lib/python3.12/site-packages/jinja2/environment.py @@ -0,0 +1,1667 @@ +"""Classes for managing templates and their runtime and compile time +options. +""" +import os +import typing +import typing as t +import weakref +from collections import ChainMap +from functools import lru_cache +from functools import partial +from functools import reduce +from types import CodeType + +from markupsafe import Markup + +from . import nodes +from .compiler import CodeGenerator +from .compiler import generate +from .defaults import BLOCK_END_STRING +from .defaults import BLOCK_START_STRING +from .defaults import COMMENT_END_STRING +from .defaults import COMMENT_START_STRING +from .defaults import DEFAULT_FILTERS +from .defaults import DEFAULT_NAMESPACE +from .defaults import DEFAULT_POLICIES +from .defaults import DEFAULT_TESTS +from .defaults import KEEP_TRAILING_NEWLINE +from .defaults import LINE_COMMENT_PREFIX +from .defaults import LINE_STATEMENT_PREFIX +from .defaults import LSTRIP_BLOCKS +from .defaults import NEWLINE_SEQUENCE +from .defaults import TRIM_BLOCKS +from .defaults import VARIABLE_END_STRING +from .defaults import VARIABLE_START_STRING +from .exceptions import TemplateNotFound +from .exceptions import TemplateRuntimeError +from .exceptions import TemplatesNotFound +from .exceptions import TemplateSyntaxError +from .exceptions import UndefinedError +from .lexer import get_lexer +from .lexer import Lexer +from .lexer import TokenStream +from .nodes import EvalContext +from .parser import Parser +from .runtime import Context +from .runtime import new_context +from .runtime import Undefined +from .utils import _PassArg +from .utils import concat +from .utils import consume +from .utils import import_string +from .utils import internalcode +from .utils import LRUCache +from .utils import missing + +if t.TYPE_CHECKING: + import typing_extensions as te + from .bccache import BytecodeCache + from .ext import Extension + from .loaders import BaseLoader + +_env_bound = t.TypeVar("_env_bound", bound="Environment") + + +# for direct template usage we have up to ten living environments +@lru_cache(maxsize=10) +def get_spontaneous_environment(cls: t.Type[_env_bound], *args: t.Any) -> _env_bound: + """Return a new spontaneous environment. A spontaneous environment + is used for templates created directly rather than through an + existing environment. + + :param cls: Environment class to create. + :param args: Positional arguments passed to environment. + """ + env = cls(*args) + env.shared = True + return env + + +def create_cache( + size: int, +) -> t.Optional[t.MutableMapping[t.Tuple[weakref.ref, str], "Template"]]: + """Return the cache class for the given size.""" + if size == 0: + return None + + if size < 0: + return {} + + return LRUCache(size) # type: ignore + + +def copy_cache( + cache: t.Optional[t.MutableMapping], +) -> t.Optional[t.MutableMapping[t.Tuple[weakref.ref, str], "Template"]]: + """Create an empty copy of the given cache.""" + if cache is None: + return None + + if type(cache) is dict: + return {} + + return LRUCache(cache.capacity) # type: ignore + + +def load_extensions( + environment: "Environment", + extensions: t.Sequence[t.Union[str, t.Type["Extension"]]], +) -> t.Dict[str, "Extension"]: + """Load the extensions from the list and bind it to the environment. + Returns a dict of instantiated extensions. + """ + result = {} + + for extension in extensions: + if isinstance(extension, str): + extension = t.cast(t.Type["Extension"], import_string(extension)) + + result[extension.identifier] = extension(environment) + + return result + + +def _environment_config_check(environment: "Environment") -> "Environment": + """Perform a sanity check on the environment.""" + assert issubclass( + environment.undefined, Undefined + ), "'undefined' must be a subclass of 'jinja2.Undefined'." + assert ( + environment.block_start_string + != environment.variable_start_string + != environment.comment_start_string + ), "block, variable and comment start strings must be different." + assert environment.newline_sequence in { + "\r", + "\r\n", + "\n", + }, "'newline_sequence' must be one of '\\n', '\\r\\n', or '\\r'." + return environment + + +class Environment: + r"""The core component of Jinja is the `Environment`. It contains + important shared variables like configuration, filters, tests, + globals and others. Instances of this class may be modified if + they are not shared and if no template was loaded so far. + Modifications on environments after the first template was loaded + will lead to surprising effects and undefined behavior. + + Here are the possible initialization parameters: + + `block_start_string` + The string marking the beginning of a block. Defaults to ``'{%'``. + + `block_end_string` + The string marking the end of a block. Defaults to ``'%}'``. + + `variable_start_string` + The string marking the beginning of a print statement. + Defaults to ``'{{'``. + + `variable_end_string` + The string marking the end of a print statement. Defaults to + ``'}}'``. + + `comment_start_string` + The string marking the beginning of a comment. Defaults to ``'{#'``. + + `comment_end_string` + The string marking the end of a comment. Defaults to ``'#}'``. + + `line_statement_prefix` + If given and a string, this will be used as prefix for line based + statements. See also :ref:`line-statements`. + + `line_comment_prefix` + If given and a string, this will be used as prefix for line based + comments. See also :ref:`line-statements`. + + .. versionadded:: 2.2 + + `trim_blocks` + If this is set to ``True`` the first newline after a block is + removed (block, not variable tag!). Defaults to `False`. + + `lstrip_blocks` + If this is set to ``True`` leading spaces and tabs are stripped + from the start of a line to a block. Defaults to `False`. + + `newline_sequence` + The sequence that starts a newline. Must be one of ``'\r'``, + ``'\n'`` or ``'\r\n'``. The default is ``'\n'`` which is a + useful default for Linux and OS X systems as well as web + applications. + + `keep_trailing_newline` + Preserve the trailing newline when rendering templates. + The default is ``False``, which causes a single newline, + if present, to be stripped from the end of the template. + + .. versionadded:: 2.7 + + `extensions` + List of Jinja extensions to use. This can either be import paths + as strings or extension classes. For more information have a + look at :ref:`the extensions documentation `. + + `optimized` + should the optimizer be enabled? Default is ``True``. + + `undefined` + :class:`Undefined` or a subclass of it that is used to represent + undefined values in the template. + + `finalize` + A callable that can be used to process the result of a variable + expression before it is output. For example one can convert + ``None`` implicitly into an empty string here. + + `autoescape` + If set to ``True`` the XML/HTML autoescaping feature is enabled by + default. For more details about autoescaping see + :class:`~markupsafe.Markup`. As of Jinja 2.4 this can also + be a callable that is passed the template name and has to + return ``True`` or ``False`` depending on autoescape should be + enabled by default. + + .. versionchanged:: 2.4 + `autoescape` can now be a function + + `loader` + The template loader for this environment. + + `cache_size` + The size of the cache. Per default this is ``400`` which means + that if more than 400 templates are loaded the loader will clean + out the least recently used template. If the cache size is set to + ``0`` templates are recompiled all the time, if the cache size is + ``-1`` the cache will not be cleaned. + + .. versionchanged:: 2.8 + The cache size was increased to 400 from a low 50. + + `auto_reload` + Some loaders load templates from locations where the template + sources may change (ie: file system or database). If + ``auto_reload`` is set to ``True`` (default) every time a template is + requested the loader checks if the source changed and if yes, it + will reload the template. For higher performance it's possible to + disable that. + + `bytecode_cache` + If set to a bytecode cache object, this object will provide a + cache for the internal Jinja bytecode so that templates don't + have to be parsed if they were not changed. + + See :ref:`bytecode-cache` for more information. + + `enable_async` + If set to true this enables async template execution which + allows using async functions and generators. + """ + + #: if this environment is sandboxed. Modifying this variable won't make + #: the environment sandboxed though. For a real sandboxed environment + #: have a look at jinja2.sandbox. This flag alone controls the code + #: generation by the compiler. + sandboxed = False + + #: True if the environment is just an overlay + overlayed = False + + #: the environment this environment is linked to if it is an overlay + linked_to: t.Optional["Environment"] = None + + #: shared environments have this set to `True`. A shared environment + #: must not be modified + shared = False + + #: the class that is used for code generation. See + #: :class:`~jinja2.compiler.CodeGenerator` for more information. + code_generator_class: t.Type["CodeGenerator"] = CodeGenerator + + concat = "".join + + #: the context class that is used for templates. See + #: :class:`~jinja2.runtime.Context` for more information. + context_class: t.Type[Context] = Context + + template_class: t.Type["Template"] + + def __init__( + self, + block_start_string: str = BLOCK_START_STRING, + block_end_string: str = BLOCK_END_STRING, + variable_start_string: str = VARIABLE_START_STRING, + variable_end_string: str = VARIABLE_END_STRING, + comment_start_string: str = COMMENT_START_STRING, + comment_end_string: str = COMMENT_END_STRING, + line_statement_prefix: t.Optional[str] = LINE_STATEMENT_PREFIX, + line_comment_prefix: t.Optional[str] = LINE_COMMENT_PREFIX, + trim_blocks: bool = TRIM_BLOCKS, + lstrip_blocks: bool = LSTRIP_BLOCKS, + newline_sequence: "te.Literal['\\n', '\\r\\n', '\\r']" = NEWLINE_SEQUENCE, + keep_trailing_newline: bool = KEEP_TRAILING_NEWLINE, + extensions: t.Sequence[t.Union[str, t.Type["Extension"]]] = (), + optimized: bool = True, + undefined: t.Type[Undefined] = Undefined, + finalize: t.Optional[t.Callable[..., t.Any]] = None, + autoescape: t.Union[bool, t.Callable[[t.Optional[str]], bool]] = False, + loader: t.Optional["BaseLoader"] = None, + cache_size: int = 400, + auto_reload: bool = True, + bytecode_cache: t.Optional["BytecodeCache"] = None, + enable_async: bool = False, + ): + # !!Important notice!! + # The constructor accepts quite a few arguments that should be + # passed by keyword rather than position. However it's important to + # not change the order of arguments because it's used at least + # internally in those cases: + # - spontaneous environments (i18n extension and Template) + # - unittests + # If parameter changes are required only add parameters at the end + # and don't change the arguments (or the defaults!) of the arguments + # existing already. + + # lexer / parser information + self.block_start_string = block_start_string + self.block_end_string = block_end_string + self.variable_start_string = variable_start_string + self.variable_end_string = variable_end_string + self.comment_start_string = comment_start_string + self.comment_end_string = comment_end_string + self.line_statement_prefix = line_statement_prefix + self.line_comment_prefix = line_comment_prefix + self.trim_blocks = trim_blocks + self.lstrip_blocks = lstrip_blocks + self.newline_sequence = newline_sequence + self.keep_trailing_newline = keep_trailing_newline + + # runtime information + self.undefined: t.Type[Undefined] = undefined + self.optimized = optimized + self.finalize = finalize + self.autoescape = autoescape + + # defaults + self.filters = DEFAULT_FILTERS.copy() + self.tests = DEFAULT_TESTS.copy() + self.globals = DEFAULT_NAMESPACE.copy() + + # set the loader provided + self.loader = loader + self.cache = create_cache(cache_size) + self.bytecode_cache = bytecode_cache + self.auto_reload = auto_reload + + # configurable policies + self.policies = DEFAULT_POLICIES.copy() + + # load extensions + self.extensions = load_extensions(self, extensions) + + self.is_async = enable_async + _environment_config_check(self) + + def add_extension(self, extension: t.Union[str, t.Type["Extension"]]) -> None: + """Adds an extension after the environment was created. + + .. versionadded:: 2.5 + """ + self.extensions.update(load_extensions(self, [extension])) + + def extend(self, **attributes: t.Any) -> None: + """Add the items to the instance of the environment if they do not exist + yet. This is used by :ref:`extensions ` to register + callbacks and configuration values without breaking inheritance. + """ + for key, value in attributes.items(): + if not hasattr(self, key): + setattr(self, key, value) + + def overlay( + self, + block_start_string: str = missing, + block_end_string: str = missing, + variable_start_string: str = missing, + variable_end_string: str = missing, + comment_start_string: str = missing, + comment_end_string: str = missing, + line_statement_prefix: t.Optional[str] = missing, + line_comment_prefix: t.Optional[str] = missing, + trim_blocks: bool = missing, + lstrip_blocks: bool = missing, + newline_sequence: "te.Literal['\\n', '\\r\\n', '\\r']" = missing, + keep_trailing_newline: bool = missing, + extensions: t.Sequence[t.Union[str, t.Type["Extension"]]] = missing, + optimized: bool = missing, + undefined: t.Type[Undefined] = missing, + finalize: t.Optional[t.Callable[..., t.Any]] = missing, + autoescape: t.Union[bool, t.Callable[[t.Optional[str]], bool]] = missing, + loader: t.Optional["BaseLoader"] = missing, + cache_size: int = missing, + auto_reload: bool = missing, + bytecode_cache: t.Optional["BytecodeCache"] = missing, + enable_async: bool = False, + ) -> "Environment": + """Create a new overlay environment that shares all the data with the + current environment except for cache and the overridden attributes. + Extensions cannot be removed for an overlayed environment. An overlayed + environment automatically gets all the extensions of the environment it + is linked to plus optional extra extensions. + + Creating overlays should happen after the initial environment was set + up completely. Not all attributes are truly linked, some are just + copied over so modifications on the original environment may not shine + through. + + .. versionchanged:: 3.1.2 + Added the ``newline_sequence``,, ``keep_trailing_newline``, + and ``enable_async`` parameters to match ``__init__``. + """ + args = dict(locals()) + del args["self"], args["cache_size"], args["extensions"], args["enable_async"] + + rv = object.__new__(self.__class__) + rv.__dict__.update(self.__dict__) + rv.overlayed = True + rv.linked_to = self + + for key, value in args.items(): + if value is not missing: + setattr(rv, key, value) + + if cache_size is not missing: + rv.cache = create_cache(cache_size) + else: + rv.cache = copy_cache(self.cache) + + rv.extensions = {} + for key, value in self.extensions.items(): + rv.extensions[key] = value.bind(rv) + if extensions is not missing: + rv.extensions.update(load_extensions(rv, extensions)) + + if enable_async is not missing: + rv.is_async = enable_async + + return _environment_config_check(rv) + + @property + def lexer(self) -> Lexer: + """The lexer for this environment.""" + return get_lexer(self) + + def iter_extensions(self) -> t.Iterator["Extension"]: + """Iterates over the extensions by priority.""" + return iter(sorted(self.extensions.values(), key=lambda x: x.priority)) + + def getitem( + self, obj: t.Any, argument: t.Union[str, t.Any] + ) -> t.Union[t.Any, Undefined]: + """Get an item or attribute of an object but prefer the item.""" + try: + return obj[argument] + except (AttributeError, TypeError, LookupError): + if isinstance(argument, str): + try: + attr = str(argument) + except Exception: + pass + else: + try: + return getattr(obj, attr) + except AttributeError: + pass + return self.undefined(obj=obj, name=argument) + + def getattr(self, obj: t.Any, attribute: str) -> t.Any: + """Get an item or attribute of an object but prefer the attribute. + Unlike :meth:`getitem` the attribute *must* be a string. + """ + try: + return getattr(obj, attribute) + except AttributeError: + pass + try: + return obj[attribute] + except (TypeError, LookupError, AttributeError): + return self.undefined(obj=obj, name=attribute) + + def _filter_test_common( + self, + name: t.Union[str, Undefined], + value: t.Any, + args: t.Optional[t.Sequence[t.Any]], + kwargs: t.Optional[t.Mapping[str, t.Any]], + context: t.Optional[Context], + eval_ctx: t.Optional[EvalContext], + is_filter: bool, + ) -> t.Any: + if is_filter: + env_map = self.filters + type_name = "filter" + else: + env_map = self.tests + type_name = "test" + + func = env_map.get(name) # type: ignore + + if func is None: + msg = f"No {type_name} named {name!r}." + + if isinstance(name, Undefined): + try: + name._fail_with_undefined_error() + except Exception as e: + msg = f"{msg} ({e}; did you forget to quote the callable name?)" + + raise TemplateRuntimeError(msg) + + args = [value, *(args if args is not None else ())] + kwargs = kwargs if kwargs is not None else {} + pass_arg = _PassArg.from_obj(func) + + if pass_arg is _PassArg.context: + if context is None: + raise TemplateRuntimeError( + f"Attempted to invoke a context {type_name} without context." + ) + + args.insert(0, context) + elif pass_arg is _PassArg.eval_context: + if eval_ctx is None: + if context is not None: + eval_ctx = context.eval_ctx + else: + eval_ctx = EvalContext(self) + + args.insert(0, eval_ctx) + elif pass_arg is _PassArg.environment: + args.insert(0, self) + + return func(*args, **kwargs) + + def call_filter( + self, + name: str, + value: t.Any, + args: t.Optional[t.Sequence[t.Any]] = None, + kwargs: t.Optional[t.Mapping[str, t.Any]] = None, + context: t.Optional[Context] = None, + eval_ctx: t.Optional[EvalContext] = None, + ) -> t.Any: + """Invoke a filter on a value the same way the compiler does. + + This might return a coroutine if the filter is running from an + environment in async mode and the filter supports async + execution. It's your responsibility to await this if needed. + + .. versionadded:: 2.7 + """ + return self._filter_test_common( + name, value, args, kwargs, context, eval_ctx, True + ) + + def call_test( + self, + name: str, + value: t.Any, + args: t.Optional[t.Sequence[t.Any]] = None, + kwargs: t.Optional[t.Mapping[str, t.Any]] = None, + context: t.Optional[Context] = None, + eval_ctx: t.Optional[EvalContext] = None, + ) -> t.Any: + """Invoke a test on a value the same way the compiler does. + + This might return a coroutine if the test is running from an + environment in async mode and the test supports async execution. + It's your responsibility to await this if needed. + + .. versionchanged:: 3.0 + Tests support ``@pass_context``, etc. decorators. Added + the ``context`` and ``eval_ctx`` parameters. + + .. versionadded:: 2.7 + """ + return self._filter_test_common( + name, value, args, kwargs, context, eval_ctx, False + ) + + @internalcode + def parse( + self, + source: str, + name: t.Optional[str] = None, + filename: t.Optional[str] = None, + ) -> nodes.Template: + """Parse the sourcecode and return the abstract syntax tree. This + tree of nodes is used by the compiler to convert the template into + executable source- or bytecode. This is useful for debugging or to + extract information from templates. + + If you are :ref:`developing Jinja extensions ` + this gives you a good overview of the node tree generated. + """ + try: + return self._parse(source, name, filename) + except TemplateSyntaxError: + self.handle_exception(source=source) + + def _parse( + self, source: str, name: t.Optional[str], filename: t.Optional[str] + ) -> nodes.Template: + """Internal parsing function used by `parse` and `compile`.""" + return Parser(self, source, name, filename).parse() + + def lex( + self, + source: str, + name: t.Optional[str] = None, + filename: t.Optional[str] = None, + ) -> t.Iterator[t.Tuple[int, str, str]]: + """Lex the given sourcecode and return a generator that yields + tokens as tuples in the form ``(lineno, token_type, value)``. + This can be useful for :ref:`extension development ` + and debugging templates. + + This does not perform preprocessing. If you want the preprocessing + of the extensions to be applied you have to filter source through + the :meth:`preprocess` method. + """ + source = str(source) + try: + return self.lexer.tokeniter(source, name, filename) + except TemplateSyntaxError: + self.handle_exception(source=source) + + def preprocess( + self, + source: str, + name: t.Optional[str] = None, + filename: t.Optional[str] = None, + ) -> str: + """Preprocesses the source with all extensions. This is automatically + called for all parsing and compiling methods but *not* for :meth:`lex` + because there you usually only want the actual source tokenized. + """ + return reduce( + lambda s, e: e.preprocess(s, name, filename), + self.iter_extensions(), + str(source), + ) + + def _tokenize( + self, + source: str, + name: t.Optional[str], + filename: t.Optional[str] = None, + state: t.Optional[str] = None, + ) -> TokenStream: + """Called by the parser to do the preprocessing and filtering + for all the extensions. Returns a :class:`~jinja2.lexer.TokenStream`. + """ + source = self.preprocess(source, name, filename) + stream = self.lexer.tokenize(source, name, filename, state) + + for ext in self.iter_extensions(): + stream = ext.filter_stream(stream) # type: ignore + + if not isinstance(stream, TokenStream): + stream = TokenStream(stream, name, filename) # type: ignore + + return stream + + def _generate( + self, + source: nodes.Template, + name: t.Optional[str], + filename: t.Optional[str], + defer_init: bool = False, + ) -> str: + """Internal hook that can be overridden to hook a different generate + method in. + + .. versionadded:: 2.5 + """ + return generate( # type: ignore + source, + self, + name, + filename, + defer_init=defer_init, + optimized=self.optimized, + ) + + def _compile(self, source: str, filename: str) -> CodeType: + """Internal hook that can be overridden to hook a different compile + method in. + + .. versionadded:: 2.5 + """ + return compile(source, filename, "exec") # type: ignore + + @typing.overload + def compile( # type: ignore + self, + source: t.Union[str, nodes.Template], + name: t.Optional[str] = None, + filename: t.Optional[str] = None, + raw: "te.Literal[False]" = False, + defer_init: bool = False, + ) -> CodeType: + ... + + @typing.overload + def compile( + self, + source: t.Union[str, nodes.Template], + name: t.Optional[str] = None, + filename: t.Optional[str] = None, + raw: "te.Literal[True]" = ..., + defer_init: bool = False, + ) -> str: + ... + + @internalcode + def compile( + self, + source: t.Union[str, nodes.Template], + name: t.Optional[str] = None, + filename: t.Optional[str] = None, + raw: bool = False, + defer_init: bool = False, + ) -> t.Union[str, CodeType]: + """Compile a node or template source code. The `name` parameter is + the load name of the template after it was joined using + :meth:`join_path` if necessary, not the filename on the file system. + the `filename` parameter is the estimated filename of the template on + the file system. If the template came from a database or memory this + can be omitted. + + The return value of this method is a python code object. If the `raw` + parameter is `True` the return value will be a string with python + code equivalent to the bytecode returned otherwise. This method is + mainly used internally. + + `defer_init` is use internally to aid the module code generator. This + causes the generated code to be able to import without the global + environment variable to be set. + + .. versionadded:: 2.4 + `defer_init` parameter added. + """ + source_hint = None + try: + if isinstance(source, str): + source_hint = source + source = self._parse(source, name, filename) + source = self._generate(source, name, filename, defer_init=defer_init) + if raw: + return source + if filename is None: + filename = "