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yt-dlp/yt_dlp/extractor/extractors.py
pukkandan 560738f34d
[extractor] Import _ALL_CLASSES lazily
This significantly speeds up `import yt_dlp` in the absence of `lazy_extractors`
2022-06-16 06:23:50 +05:30

24 lines
703 B
Python

import contextlib
import os
from ..utils import load_plugins
_LAZY_LOADER = False
if not os.environ.get('YTDLP_NO_LAZY_EXTRACTORS'):
with contextlib.suppress(ImportError):
from .lazy_extractors import * # noqa: F403
from .lazy_extractors import _ALL_CLASSES
_LAZY_LOADER = True
if not _LAZY_LOADER:
from ._extractors import * # noqa: F403
_ALL_CLASSES = [ # noqa: F811
klass
for name, klass in globals().items()
if name.endswith('IE') and name != 'GenericIE'
]
_ALL_CLASSES.append(GenericIE) # noqa: F405
_PLUGIN_CLASSES = load_plugins('extractor', 'IE', globals())
_ALL_CLASSES = list(_PLUGIN_CLASSES.values()) + _ALL_CLASSES