gh-116720: Fix corner cases of taskgroups - #117407

Merged

gvanrossum merged 21 commits into

python:mainfrom

gvanrossum:fix-tg

Apr 9, 2024

Commits on Apr 4, 2024

Fix taskgroups handling of parent cancellation
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90695c5
When errors and parent cancellation are both pending, re-cancel parent
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6c4876d
When uncancel() reaches zero, clear _must_cancel
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df6e8b7
Remove 'experimental' comment
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c762e36
Remove unneeded Py_CLEAR(self->task_cancel_msg)
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4989042
Simple test for preserving cancelling() level
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3f91f2d
Add test for nested task groups
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55ff73f
Add test that is fixed by the re-cancel in __aexit__
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50fd8d6
Test that uncancel() sets _must_cancel to False
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93ba76a
Move a stray asyncio news item into the asyncio section
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f1f89c0
Add blurb
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48c6dda
Add what's new entry
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1e20728

Commits on Apr 5, 2024

Update uncancel docs
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bc1522c
Update task group docs
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7f6e5ff
Merge remote-tracking branch 'origin/main' into fix-tg
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56251ff
Fix markup error
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c54fb22
Add attribution to Arthur Tacca issue
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6d4b3d7

Commits on Apr 8, 2024

Wording changes suggested by Carol Willing
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b086609

Commits on Apr 9, 2024

Changelog/whatsnew updates from Arthur Tacca
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8ac42f6
Attempted doc improvements inspired by Arthur Tacca's feedback
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ac87a8e
Merge remote-tracking branch 'origin/main' into fix-tg
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be9365c