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gh-122255: Synchronize warnings in C and Python implementations of the warnings module #122824

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Merged
serhiy-storchaka merged 6 commits into from
Nov 14, 2025
Merged

gh-122255: Synchronize warnings in C and Python implementations of the warnings module #122824

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ad53fe3
gh-122255: Synchronize warnings in C and Python implementations of th…
serhiy-storchaka Aug 8, 2024
c3f9bb1
Merge branch 'main' into spec-loader-warnings
serhiy-storchaka Aug 14, 2024
72042d9
Fix test_warnings.
serhiy-storchaka Aug 14, 2024
2bd6ee2
Merge branch 'main' into spec-loader-warnings
serhiy-storchaka Nov 9, 2025
53a3024
Apply suggestions from code review
serhiy-storchaka Nov 9, 2025
dc98bc6
Fix the case of the __main__ module.
serhiy-storchaka Nov 9, 2025
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Fix the case of the __main__ module.
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@serhiy-storchaka
serhiy-storchaka committed Nov 9, 2025
commit dc98bc6cb50cafcfbaa718dcf15907e7bf4e82a3
6 changes: 5 additions & 1 deletion Lib/linecache.py
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Expand Up @@ -253,8 +253,12 @@ def _bless_my_loader(module_globals):
loader = module_globals.get('__loader__')
if loader is None and '__spec__' not in module_globals:
return None

spec = module_globals.get('__spec__')

# The __main__ module has __spec__ = None.
if spec is None and module_globals.get('__name__') == '__main__':
return loader

spec_loader = getattr(spec, 'loader', None)
if spec_loader is None:
import warnings
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