fix: eliminate TOCTOU race in file unlink calls - #3811
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Pull request overview
Eliminates TOCTOU races when deleting integration metadata and extension cache files.
Changes:
- Uses atomic
unlink(missing_ok=True)operations. - Preserves behavior when target files are absent.
Show a summary per file
| File | Description |
|---|---|
src/specify_cli/integrations/_helpers.py |
Safely removes integration metadata. |
src/specify_cli/extensions/__init__.py |
Safely clears catalog cache files. |
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- Review effort level: Medium
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Replace if path.exists(): path.unlink() with path.unlink(missing_ok=True) in integrations/_helpers.py and extensions/init.py to eliminate TOCTOU race conditions where the file could be removed between the check and the unlink.