yt-dlp/yt_dlp/dependencies/Cryptodome.py

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import importlib
from ..compat import functools
from ..compat.compat_utils import EnhancedModule, passthrough_module
EnhancedModule(__name__)
try:
import Cryptodome as _parent
except ImportError:
try:
import Crypto as _parent
except (ImportError, SyntaxError): # Old Crypto gives SyntaxError in newer Python
_parent = EnhancedModule('Cryptodome')
__bool__ = lambda: False
@functools.cache
def __getattr__(name):
try:
submodule = importlib.import_module(f'.{name}', _parent.__name__)
except ImportError:
return getattr(_parent, name)
return passthrough_module(f'{__name__}.{name}', submodule)
@property
@functools.cache
def _yt_dlp__identifier():
if _parent.__name__ == 'Crypto':
from Crypto.Cipher import AES
try:
# In pycrypto, mode defaults to ECB. See:
# https://www.pycryptodome.org/en/latest/src/vs_pycrypto.html#:~:text=not%20have%20ECB%20as%20default%20mode
AES.new(b'abcdefghijklmnop')
except TypeError:
return 'pycrypto'
return _parent.__name__