gh-152548: Add options, env and timeout parameters to runInSubprocess() - #155163
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serhiy-storchaka merged 1 commit intoAug 5, 2026
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needs backport to 3.13
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…rocess() They run the test subprocess with specific interpreter command line options and environment variables, and limit how long it may take. All are keyword-only. env is layered over the inherited environment; a None value unsets a variable. There is no timeout by default. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
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Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14, 3.15. |
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Sorry, @serhiy-storchaka, I could not cleanly backport this to |
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GH-155230 is a backport of this pull request to the 3.14 branch. |
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GH-155231 is a backport of this pull request to the 3.13 branch. |
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Add three keyword-only parameters to
runInSubprocess():options-- interpreter command line options for the subprocess.env-- environment variables, on top of the inherited environment; a valueof
Noneunsets a variable.timeout-- how long to wait for the subprocess; the test is reported as anerror if it does not complete in time. There is no timeout by default.
They allow converting tests that need particular interpreter flags or
environment variables to the decorator.