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[extractor] Import _ALL_CLASSES lazily

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This significantly speeds up `import yt_dlp` in the absence of `lazy_extractors`
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pukkandan 2022-06-15 18:00:34 +05:30
parent 99d10bf607
commit 560738f34d
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6 changed files with 49 additions and 30 deletions
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6
yt_dlp/__init__.py
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@ -12,7 +12,7 @@ import sys
from .compat import compat_getpass, compat_shlex_quote
from .cookies import SUPPORTED_BROWSERS, SUPPORTED_KEYRINGS
from .downloader import FileDownloader
from .extractor import GenericIE, list_extractor_classes
from .extractor import list_extractor_classes
from .extractor.adobepass import MSO_INFO
from .extractor.common import InfoExtractor
from .options import parseOpts
@ -79,6 +79,10 @@ def get_urls(urls, batchfile, verbose):
def print_extractor_information(opts, urls):
# Importing GenericIE is currently slow since it imports other extractors
# TODO: Move this back to module level after generalization of embed detection
from .extractor.generic import GenericIE
out = ''
if opts.list_extractors:
urls = dict.fromkeys(urls, False)