fix: narrow exception in script permission check from Exception to OSError/PermissionError - #3916
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…Error/PermissionError Bare 'except Exception' silently swallows all errors. Narrow to (OSError, PermissionError) which are the realistic failure modes for file open/read operations.
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Pull request overview
Narrows exception handling during script shebang checks.
Changes:
- Replaces broad
Exceptionhandling with filesystem-specific exceptions.
Show a summary per file
| File | Description |
|---|---|
src/specify_cli/__init__.py |
Narrows script-read exception handling. |
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| if f.read(2) != b"#!": | ||
| continue | ||
| except Exception: | ||
| except (OSError, PermissionError): |
…Error/PermissionError Narrow except Exception to (OSError, PermissionError) which are the realistic failure modes for file open/read operations during shebang checks. Add regression tests verifying: - OSError during open() is skipped (not propagated) - Unexpected RuntimeError propagates to outer failure handler - Normal shebang scripts get executable bits (POSIX only) - Scripts without shebang are skipped (POSIX only) Co-authored-by: GitHub Copilot (model: mimo-v2.5-free, supervised)
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Problem
Bare
except Exceptionsilently swallows all errors during script permission checks.Fix
Narrow to
(OSError, PermissionError)which are the realistic failure modes for file open/read operations.Testing