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GeezerVison is showing github.com — gh-161744: Avoid stopping the world when a type's abstract flag is unchanged by lpyu001 · Pull Request #161745 · python/cpython

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@lpyu001

@lpyu001 lpyu001 commented Nov 10, 2026 •
edited by bedevere-app Bot
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Skip the stop-the-world pause when setting abstractmethods leaves the type's abstract flag unchanged. Flag changes still pause threads, and type cache invalidation remains in place.

  • Issue: Avoid stop-the-world when __abstractmethods__ does not change the abstract flag #161744

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@lpyu001
Avoid stopping the world when a type's abstract flag is unchanged
12ab146 
Skip the stop-the-world pause when setting __abstractmethods__ leaves the type's abstract flag unchanged. Flag changes still pause threads, and type cache invalidation remains in place.
@lpyu001
lpyu001 requested a review from markshannon as a code owner November 10, 2026 12:59
@bedevere-app bedevere-app Bot mentioned this pull request Nov 10, 2026
Avoid stop-the-world when __abstractmethods__ does not change the abstract flag #161744
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@bedevere-app bedevere-app Bot added the awaiting review label Nov 10, 2026
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@markshannon markshannon Awaiting requested review from markshannon markshannon is a code owner

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@lpyu001
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