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Allow plugin extractors to replace the built-in ones
This allows easier plugin chaining; e.g. - https://gist.github.com/pukkandan/24f13ff1ed385c5a390c1d7bd130d8f7 - https://gist.github.com/pukkandan/fcf5ca1785c80f64e471f0ee14f990fb
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@ -5,6 +5,7 @@
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import http.client
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import http.cookiejar
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import http.cookies
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import inspect
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import itertools
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import json
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import math
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@ -3900,6 +3901,18 @@ def _extract_url(cls, webpage): # TODO: Remove
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"""Only for compatibility with some older extractors"""
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return next(iter(cls._extract_embed_urls(None, webpage) or []), None)
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@classmethod
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def __init_subclass__(cls, *, plugin_name=None, **kwargs):
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if plugin_name:
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mro = inspect.getmro(cls)
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super_class = cls.__wrapped__ = mro[mro.index(cls) + 1]
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cls.IE_NAME, cls.ie_key = f'{super_class.IE_NAME}+{plugin_name}', super_class.ie_key
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while getattr(super_class, '__wrapped__', None):
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super_class = super_class.__wrapped__
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setattr(sys.modules[super_class.__module__], super_class.__name__, cls)
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return super().__init_subclass__(**kwargs)
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class SearchInfoExtractor(InfoExtractor):
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"""
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@ -3,6 +3,9 @@
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from ..utils import load_plugins
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# NB: Must be before other imports so that plugins can be correctly injected
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_PLUGIN_CLASSES = load_plugins('extractor', 'IE', {})
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_LAZY_LOADER = False
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if not os.environ.get('YTDLP_NO_LAZY_EXTRACTORS'):
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with contextlib.suppress(ImportError):
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@ -19,5 +22,5 @@
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]
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_ALL_CLASSES.append(GenericIE) # noqa: F405
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_PLUGIN_CLASSES = load_plugins('extractor', 'IE', globals())
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_ALL_CLASSES = list(_PLUGIN_CLASSES.values()) + _ALL_CLASSES
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globals().update(_PLUGIN_CLASSES)
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_ALL_CLASSES[:0] = _PLUGIN_CLASSES.values()
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