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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
6 changed files with 49 additions and 30 deletions
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6
yt_dlp/YoutubeDL.py
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@@ -38,8 +38,6 @@ from .compat import (
from .cookies import load_cookies
from .downloader import FFmpegFD, get_suitable_downloader, shorten_protocol_name
from .downloader.rtmp import rtmpdump_version
from .extractor import _LAZY_LOADER
from .extractor import _PLUGIN_CLASSES as plugin_extractors
from .extractor import gen_extractor_classes, get_info_extractor
from .extractor.openload import PhantomJSwrapper
from .minicurses import format_text
@@ -3659,6 +3657,10 @@ class YoutubeDL:
if not self.params.get('verbose'):
return
# These imports can be slow. So import them only as needed
from .extractor.extractors import _LAZY_LOADER
from .extractor.extractors import _PLUGIN_CLASSES as plugin_extractors
def get_encoding(stream):
ret = str(getattr(stream, 'encoding', 'missing (%s)' % type(stream).__name__))
if not supports_terminal_sequences(stream):