yt-dlp/yt_dlp/dependencies/Cryptodome.py

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import types
from ..compat import functools
from ..compat.compat_utils import passthrough_module
try:
import Cryptodome as _parent
except ImportError:
try:
import Crypto as _parent
except (ImportError, SyntaxError): # Old Crypto gives SyntaxError in newer Python
_parent = types.ModuleType('no_Cryptodome')
__bool__ = lambda: False
passthrough_module(__name__, _parent, (..., '__version__'))
del passthrough_module
@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__