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Update test_sys.py from 3.13.11#6428

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youknowone merged 4 commits intoRustPython:mainfrom
ShaharNaveh:update-test-sys
Jan 1, 2026
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Update test_sys.py from 3.13.11#6428
youknowone merged 4 commits intoRustPython:mainfrom
ShaharNaveh:update-test-sys

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@ShaharNaveh ShaharNaveh commented Dec 12, 2025 •
edited by coderabbitai bot
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Summary by CodeRabbit

  • New Features
    • Added a new sys module function to query Global Interpreter Lock (GIL) status. Users can now check the GIL implementation state programmatically.

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

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coderabbitai bot commented Dec 12, 2025 •
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Important

Review skipped

Review was skipped due to path filters

⛔ Files ignored due to path filters (1)
  • Lib/test/test_sys.py is excluded by !Lib/**

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📝 Walkthrough

Walkthrough

A new _is_gil_enabled() function was added to the sys module as a Python-exposed const function that returns false, indicating the GIL is not implemented in this environment.

Changes

Cohort / File(s) Summary
GIL Status Function
crates/vm/src/stdlib/sys.rs		 Added new #[pyfunction] const fn _is_gil_enabled() -> bool that returns false to signal GIL is not available

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested reviewers

  • youknowone

Poem

🐰 A GIL check hops into sys today,
Returns false in a gentle way,
No locks will bind these concurrent threads,
Freedom in code, the rabbit thread spreads! 🧵✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Title check ⚠️ Warning The title mentions updating test_sys.py from 3.13.11, but the actual changes add a new _is_gil_enabled() function to the sys module implementation, not test updates. Update the title to accurately reflect the main change, such as 'Add _is_gil_enabled() function to sys module' or similar.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage ✅ Passed Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

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ShaharNaveh
ShaharNaveh commented Dec 12, 2025
View reviewed changes
Lib/test/test_sys.py Outdated

# TODO: RUSTPYTHON, AtExit.__del__ is not invoked because module destruction is missing.
@unittest.expectedFailure
@unittest.expectedFailure # TODO: RUSTPYTHON; AssertionError: False is not true
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@ShaharNaveh ShaharNaveh Dec 12, 2025

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It seems like

sysconfig.get_config_var('Py_GIL_DISABLED')

returns None (should return 1)

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youknowone commented Dec 22, 2025

Currently fn exit in sys.rs is not checking the range of exit code. Checking it and return -1 for overflow will fix the failing test_exit

@youknowone youknowone mentioned this pull request Dec 31, 2025
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@youknowone youknowone force-pushed the update-test-sys branch 2 times, most recently from 88134cc to d3bb267 Compare December 31, 2025 11:26
@youknowone youknowone mentioned this pull request Jan 1, 2026
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@fanninpm fanninpm mentioned this pull request Jan 1, 2026
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@youknowone youknowone force-pushed the update-test-sys branch 3 times, most recently from f5fedb3 to bd538ac Compare January 1, 2026 07:54
@youknowone youknowone merged commit 3e2ada0 into RustPython:main Jan 1, 2026
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@coderabbitai coderabbitai bot mentioned this pull request Jan 18, 2026
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2 participants

@ShaharNaveh @youknowone