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yt-dlp/yt_dlp/extractor/__init__.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

42 lines
1.3 KiB
Python

from ..compat.compat_utils import passthrough_module
passthrough_module(__name__, '.extractors')
del passthrough_module
def gen_extractor_classes():
""" Return a list of supported extractors.
The order does matter; the first extractor matched is the one handling the URL.
"""
from .extractors import _ALL_CLASSES
return _ALL_CLASSES
def gen_extractors():
""" Return a list of an instance of every supported extractor.
The order does matter; the first extractor matched is the one handling the URL.
"""
return [klass() for klass in gen_extractor_classes()]
def list_extractor_classes(age_limit=None):
"""Return a list of extractors that are suitable for the given age, sorted by extractor name"""
from .generic import GenericIE
yield from sorted(filter(
lambda ie: ie.is_suitable(age_limit) and ie != GenericIE,
gen_extractor_classes()), key=lambda ie: ie.IE_NAME.lower())
yield GenericIE
def list_extractors(age_limit=None):
"""Return a list of extractor instances that are suitable for the given age, sorted by extractor name"""
return [ie() for ie in list_extractor_classes(age_limit)]
def get_info_extractor(ie_name):
"""Returns the info extractor class with the given ie_name"""
from . import extractors
return getattr(extractors, f'{ie_name}IE')