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gh-128552: fix refcycles in eager task creation #128553

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Merged
kumaraditya303 merged 13 commits into from
Jan 7, 2025
+71 −6
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gh-128552: fix refcycles in eager task creation #128553

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c82f30b
gh-128552: fix refcycles in eager task creation
graingert Jan 6, 2025
8a4eb56
Update Lib/asyncio/base_events.py
graingert Jan 6, 2025
35a38e4
Update Lib/asyncio/taskgroups.py
graingert Jan 6, 2025
afd3053
📜🤖 Added by blurb_it.
blurb-it[bot] Jan 6, 2025
9700ebf
Rename 2025-01-06-18-41-08.gh-issue-gh-128552.fV-f8j.rst to 2025-01-0…
graingert Jan 6, 2025
fe83add
Update Misc/NEWS.d/next/Library/2025-01-06-18-41-08.gh-issue-128552.f…
graingert Jan 6, 2025
a1f76df
Merge branch 'main' into fix-taskgroup-eager-refcycle
graingert Jan 6, 2025
7c966d0
add a version of the test with weakrefs
graingert Jan 7, 2025
89362f5
Merge branch 'main' into fix-taskgroup-eager-refcycle
graingert Jan 7, 2025
cf5cfe3
simplify and comment
graingert Jan 7, 2025
18b6ea9
Update Lib/asyncio/base_events.py
graingert Jan 7, 2025
ca71935
restore _set_event_loop_policy(None)
graingert Jan 7, 2025
cc39717
remove type annotations
graingert Jan 7, 2025
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Update Lib/asyncio/base_events.py
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@graingert
graingert authored Jan 7, 2025
commit 18b6ea982fdd14c1906c99e6da95fc6da4e47f16
2 changes: 1 addition & 1 deletion Lib/asyncio/base_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -481,7 +481,7 @@ def create_task(self, coro, *, name=None, context=None):
return task
finally:
# gh-128552: prevent a refcycle of
# task.exception().__traceback__->TaskGroup.create_task->task
# task.exception().__traceback__->BaseEventLoop.create_task->task
del task

def set_task_factory(self, factory):
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