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