FIX: DeprecationWarning emitted by how line_profiler.toml_config uses importlib.resources#406
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Erotemic merged 14 commits intopyutils:mainfrom Nov 20, 2025
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TTsangSC
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importlib_resources-related edge casesimportlib_resources-related edge cases
TTsangSC
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importlib_resources-related edge casesimportlib_resources-related edge cases
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #406 +/- ##
==========================================
+ Coverage 87.56% 90.28% +2.71%
==========================================
Files 18 20 +2
Lines 1641 2080 +439
Branches 348 447 +99
==========================================
+ Hits 1437 1878 +441
- Misses 149 151 +2
+ Partials 55 51 -4
... and 4 files with indirect coverage changes Continue to review full report in Codecov by Sentry.
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TTsangSC
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importlib_resources-related edge casesimportlib_resources-related edge cases
TTsangSC
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importlib_resources-related edge casesimportlib.resources-related edge cases
tests/test_toml_config.py
- Removed venv setup code
- Refactored `test_backported_importlib_resources()` into
`test_importlib_resources_deprecation()`, which now just uses the
vanilla `importlib.resources`;
test fails for Python 3.11 pre-PR, as it should
TTsangSC
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importlib.resources-related edge casesDeprecationWarning emitted by how line_profiler.toml_config uses importlib.resources
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Sorry, was sleeping like a log, so I didn't see your message. Just gave it one last look, rewrote a wrong comment, and I think it's ready to go. Thanks for the review! |
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Closes #405.
Summary
This fixes the edge cases which occur for Python 3.11 (and older patch versions of 3.12; see e.g.: python/cpython#116608; python/cpython#132206) where
line_profiler.toml_configemits aDeprecationWarning(example in pipeline) because we usedimportlib.resources.path(). Now the code is reworked to prefer the newerimportlib.resources.files()wherever available (i.e. not on Python 3.8).A test (
tests/test_toml_config.py::test_importlib_resources_deprecation()) is also added to ensure that the warning is not emitted; the test fails on Python 3.11 onmain, as it should.Acknowledgements
Thanks to @user202729 and @JostMigenda for correcting my mis-construal of the original issue and misconceptions about
importlib.resourcesand its history.Thanks to @Erotemic as always for discussions regarding general maintenance of the repo (versioning, legacy-version support, etc.), and probably later reviewing this PR ;)
Note
The PR has been significantly rewritten; see commit and edit histories.