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98 lines
2.4 KiB
Python
98 lines
2.4 KiB
Python
# flake8: noqa: F401
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"""Imports all optional dependencies for the project.
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An attribute "_yt_dlp__identifier" may be inserted into the module if it uses an ambigious namespace"""
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try:
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import brotlicffi as brotli
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except ImportError:
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try:
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import brotli
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except ImportError:
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brotli = None
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try:
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import certifi
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except ImportError:
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certifi = None
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else:
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from os.path import exists as _path_exists
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# The certificate may not be bundled in executable
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if not _path_exists(certifi.where()):
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certifi = None
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try:
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from Cryptodome.Cipher import AES as Cryptodome_AES
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except ImportError:
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try:
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from Crypto.Cipher import AES as Cryptodome_AES
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except ImportError:
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Cryptodome_AES = None
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else:
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try:
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# In pycrypto, mode defaults to ECB. See:
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# https://www.pycryptodome.org/en/latest/src/vs_pycrypto.html#:~:text=not%20have%20ECB%20as%20default%20mode
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Cryptodome_AES.new(b'abcdefghijklmnop')
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except TypeError:
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pass
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else:
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Cryptodome_AES._yt_dlp__identifier = 'pycrypto'
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try:
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import mutagen
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except ImportError:
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mutagen = None
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secretstorage = None
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try:
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import secretstorage
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_SECRETSTORAGE_UNAVAILABLE_REASON = None
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except ImportError:
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_SECRETSTORAGE_UNAVAILABLE_REASON = (
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'as the `secretstorage` module is not installed. '
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'Please install by running `python3 -m pip install secretstorage`')
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except Exception as _err:
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_SECRETSTORAGE_UNAVAILABLE_REASON = f'as the `secretstorage` module could not be initialized. {_err}'
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try:
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import sqlite3
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except ImportError:
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# although sqlite3 is part of the standard library, it is possible to compile python without
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# sqlite support. See: https://github.com/yt-dlp/yt-dlp/issues/544
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sqlite3 = None
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try:
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import websockets
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except (ImportError, SyntaxError):
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# websockets 3.10 on python 3.6 causes SyntaxError
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# See https://github.com/yt-dlp/yt-dlp/issues/2633
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websockets = None
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try:
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import xattr # xattr or pyxattr
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except ImportError:
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xattr = None
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else:
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if hasattr(xattr, 'set'): # pyxattr
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xattr._yt_dlp__identifier = 'pyxattr'
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all_dependencies = {k: v for k, v in globals().items() if not k.startswith('_')}
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available_dependencies = {k: v for k, v in all_dependencies.items() if v}
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__all__ = [
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'all_dependencies',
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'available_dependencies',
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*all_dependencies.keys(),
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]
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