8000 gh-104144: Skip scheduling a done callback if a TaskGroup task completes eagerly by itamaro · Pull Request #104140 · python/cpython · GitHub
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gh-104144: Skip scheduling a done callback if a TaskGroup task completes eagerly #104140

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Merged
merged 6 commits into from
May 5, 2023
Merged

gh-104144: Skip scheduling a done callback if a TaskGroup task completes eagerly #104140

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gh-NNNN: Skip scheduling a done callback if a TaskGroup task complete…
itamaro May 3, 2023
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Add NEWS entry
itamaro May 3, 2023
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Apply review feedback to NEWS entry
itamaro May 4, 2023
dae3e06
Merge branch 'main' into taskgroups-skip-done-callback
itamaro May 5, 2023
161d0f8
revert skipping _set_task_name if name is None; fix typo in comment
itamaro May 5, 2023
2b98bd9
Merge branch 'main' into taskgroups-skip-done-callback
itamaro May 5, 2023
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revert skipping _set_task_name if name is None; fix typo in comment
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@itamaro
itamaro committed May 5, 2023
commit 161d0f8c6f0241bb20f887522659b1bc8700452d
5 changes: 2 additions & 3 deletions Lib/asyncio/taskgroups.py
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Expand Up @@ -163,9 +163,8 @@ def create_task(self, coro, *, name=None, context=None):
task = self._loop.create_task(coro)
else:
task = self._loop.create_task(coro, context=context)
if name is not None:
tasks._set_task_name(task, name)
# optimization: Immediately call the done callback is the task is
tasks._set_task_name(task, name)
# optimization: Immediately call the done callback if the task is
# already done (e.g. if the coro was able to complete eagerly),
# and skip scheduling a done callback
if task.done():
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