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GH-109190: Copyedit 3.12 What's New: asyncio (#109661) 

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Itamar Oren <itamarost@gmail.com>
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
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Adam Turner 2023-09-22 14:32:32 +01:00 committed by GitHub
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@ -569,7 +569,7 @@ asyncio
* Added :func:`asyncio.eager_task_factory` and :func:`asyncio.create_eager_task_factory`
functions to allow opting an event loop in to eager task execution,
making some use-cases 2x to 5x faster.
(Contributed by Jacob Bower & Itamar O in :gh:`102853`, :gh:`104140`, and :gh:`104138`)
(Contributed by Jacob Bower & Itamar Oren in :gh:`102853`, :gh:`104140`, and :gh:`104138`)
* On Linux, :mod:`asyncio` uses :class:`asyncio.PidfdChildWatcher` by default
if :func:`os.pidfd_open` is available and functional instead of
@ -596,7 +596,7 @@ asyncio
(Contributed by Kumar Aditya in :gh:`99388`.)
* Add C implementation of :func:`asyncio.current_task` for 4x-6x speedup.
(Contributed by Itamar Ostricher and Pranav Thulasiram Bhat in :gh:`100344`.)
(Contributed by Itamar Oren and Pranav Thulasiram Bhat in :gh:`100344`.)
* :func:`asyncio.iscoroutine` now returns ``False`` for generators as
:mod:`asyncio` does not support legacy generator-based coroutines.
@ -987,7 +987,7 @@ Optimizations
(Contributed by Serhiy Storchaka in :gh:`91524`.)
* Speed up :class:`asyncio.Task` creation by deferring expensive string formatting.
(Contributed by Itamar O in :gh:`103793`.)
(Contributed by Itamar Oren in :gh:`103793`.)
* The :func:`tokenize.tokenize` and :func:`tokenize.generate_tokens` functions are
up to 64% faster as a side effect of the changes required to cover :pep:`701` in
@ -1840,7 +1840,7 @@ New Features
* Added :c:func:`PyCode_AddWatcher` and :c:func:`PyCode_ClearWatcher`
APIs to register callbacks to receive notification on creation and
destruction of code objects.
(Contributed by Itamar Ostricher in :gh:`91054`.)
(Contributed by Itamar Oren in :gh:`91054`.)
* Add :c:func:`PyFrame_GetVar` and :c:func:`PyFrame_GetVarString` functions to
get a frame variable by its name.