mirrors/yt-dlp
1
0
Fork 0
mirror of https://github.com/yt-dlp/yt-dlp.git synced 2025-10-30 22:25:19 +00:00
Code Issues Projects Releases Wiki Activity

[extractor] Import _ALL_CLASSES lazily

Browse Source 
This significantly speeds up `import yt_dlp` in the absence of `lazy_extractors`
This commit is contained in:
pukkandan
2022-06-15 18:00:34 +05:30
parent 99d10bf607
commit 560738f34d
6 changed files with 49 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
yt_dlp/compat/compat_utils.py
View File

@@ -33,7 +33,7 @@ def _is_package(module):
def passthrough_module(parent, child, *, callback=lambda _: None):
parent_module = importlib.import_module(parent)
child_module = importlib.import_module(child, parent)
child_module = None # Import child module only as needed
class PassthroughModule(types.ModuleType):
def __getattr__(self, attr):
@@ -41,6 +41,9 @@ def passthrough_module(parent, child, *, callback=lambda _: None):
with contextlib.suppress(ImportError):
return importlib.import_module(f'.{attr}', parent)
nonlocal child_module
child_module = child_module or importlib.import_module(child, parent)
ret = _NO_ATTRIBUTE
with contextlib.suppress(AttributeError):
ret = getattr(child_module, attr)