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Initialize warnings module during interpreter startup to process#6766

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youknowone merged 1 commit intoRustPython:mainfrom
youknowone:init-warning
Jan 18, 2026
Merged

Initialize warnings module during interpreter startup to process#6766
youknowone merged 1 commit intoRustPython:mainfrom
youknowone:init-warning

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@youknowone youknowone commented Jan 18, 2026 •
edited by coderabbitai bot
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probably related to #6762

Summary by CodeRabbit

  • New Features
    • Improved warnings module initialization on RustPython CLI startup with robust error handling.

✏️ Tip: You can customize this high-level summary in your review settings.

@youknowone youknowone requested a review from fanninpm January 18, 2026 03:40
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coderabbitai bot commented Jan 18, 2026 •
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📝 Walkthrough

Walkthrough

The RustPython CLI startup flow now includes early initialization of the warnings module via explicit import in run_rustpython. If the import fails, the error is logged. This replaces a previous placeholder comment for _PyWarnings_Init() with functional implementation.

Changes

Cohort / File(s) Summary
Warnings Module Initialization
src/lib.rs		 Added early import of warnings module at CLI startup with error logging for import failures (+6 lines)

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

  • RustPython/RustPython#6546: Related warnings subsystem changes that probe sys.modules and modify warning instance creation/handling

Poem

🐰 A rabbit hops through warnings so bright,
Early imports at startup's first light,
Error logs gentle, if module won't load,
Safe passage now cleared on the initialization road! 📋

🚥 Pre-merge checks | ✅ 2 | ❌ 1
❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately summarizes the main change: initializing the warnings module during interpreter startup, which aligns with the changeset that adds early warnings module import in run_rustpython.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing touches
  • 📝 Generate docstrings

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@youknowone youknowone marked this pull request as ready for review January 18, 2026 03:40
@youknowone youknowone merged commit 96e08a4 into RustPython:main Jan 18, 2026
13 checks passed
@youknowone youknowone deleted the init-warning branch January 18, 2026 04:15
@coderabbitai coderabbitai bot mentioned this pull request Jan 18, 2026
Merged
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@fanninpm fanninpm Awaiting requested review from fanninpm

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