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Author SHA1 Message Date
Yury Selivanov
188598851d
GH-91048: Add utils for capturing async call stack for asyncio programs and enable profiling (#124640) 
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Savannah Ostrowski <savannahostrowski@gmail.com>
Co-authored-by: Jacob Coffee <jacob@z7x.org>
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
 2025-01-22 17:25:29 +01:00
Wang Ran (汪然)
1a1056d394
Fix typo in Lib/asyncio/futures.py (#128819) 2025-01-15 17:54:31 +05:30
Thomas Grainger
0b28ea4a35
gh-124958: Revert "gh-125472: Revert "gh-124958: fix asyncio.TaskGroup and _PyFuture refcycles ... (#125486) 
* Revert "gh-125472: Revert "gh-124958: fix asyncio.TaskGroup and _PyFuture refcycles (#12… (#125476)"

This reverts commit e99650b80a.

* fix incompatability with gh-124392
 2024-10-14 15:45:58 -07:00
Kirill Podoprigora
e99650b80a
gh-125472: Revert "gh-124958: fix asyncio.TaskGroup and _PyFuture refcycles (#12… (#125476) 
Revert "gh-124958: fix asyncio.TaskGroup and _PyFuture refcycles (#124959)"

This reverts commit d5dbbf4372.
 2024-10-14 17:59:13 +00:00
Thomas Grainger
d5dbbf4372
gh-124958: fix asyncio.TaskGroup and _PyFuture refcycles (#124959) 2024-10-14 08:19:56 -07:00
Kumar Aditya
48042c52a6
fix outdated comments in asyncio (#121783) 2024-07-15 05:59:19 +00:00
rsp4jack
85843348c5
gh-117459: Keep the traceback in _convert_future_exc (#117460) 2024-04-03 20:13:32 -07:00
Jamie Phan
4826d52338
gh-112182: Replace StopIteration with RuntimeError for future (#113220) 
When an `StopIteration` raises into `asyncio.Future`, this will cause
a thread to hang. This commit address this by not raising an exception
and silently transforming the `StopIteration` with a `RuntimeError`,
which the caller can reconstruct from `fut.exception().__cause__`
 2024-01-09 21:21:00 -08:00
Kristján Valur Jónsson
52161781a6
GH-111693: Propagate correct asyncio.CancelledError instance out of asyncio.Condition.wait() (#111694) 
Also fix a race condition in `asyncio.Semaphore.acquire()` when cancelled.
 2024-01-08 11:57:48 -08:00
Serhiy Storchaka
fd38a2f0ec
gh-93453: No longer create an event loop in get_event_loop() (#98440) 
asyncio.get_event_loop() now always return either running event loop or
the result of get_event_loop_policy().get_event_loop() call. The latter
should now raise an RuntimeError if no current event loop was set
instead of creating and setting a new event loop.

It affects also a number of asyncio functions and constructors which
call get_event_loop() implicitly: ensure_future(), shield(), gather(),
etc.

DeprecationWarning is no longer emitted if there is no running event loop but
the current event loop was set.

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
 2022-12-06 18:42:12 +01:00
Guido van Rossum
09de8d7aaf
GH-90985: Revert "Deprecate passing a message into cancel()" (#97999) 
Reason: we were too hasty in deprecating this.
We shouldn't deprecate it before we have a replacement.
 2022-10-06 17:30:27 -07:00
Guido van Rossum
e9d63760fe
GH-96827: Don't touch closed loops from executor threads (#96837) 
* When chaining futures, skip callback if loop closed.
* When shutting down an executor, don't wake a closed loop.
 2022-09-30 12:55:40 -07:00
Kumar Aditya
86c1df1872
bpo-45924: Fix asyncio incorrect traceback when future's exception is raised multiple times (GH-30274) 2022-07-11 13:32:11 +01:00
Andrew Svetlov
0360e9f346
bpo-46829: Deprecate passing a message into Future.cancel() and Task.cancel() (GH-31840) 
After a long deliberation we ended up feeling that the message argument for Future.cancel(), added in 3.9, was a bad idea, so we're deprecating it in 3.11 and plan to remove it in 3.13.
 2022-03-23 08:43:05 -07:00
Andrew Svetlov
30b5d41fab
bpo-47039: Normalize repr() of asyncio future and task objects (GH-31950) 2022-03-17 03:03:09 +02:00
Andrew Svetlov
4140bcb1cd
bpo-45390: Propagate CancelledError's message from cancelled task to its awaiter (GH-31383) 
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
 2022-02-21 22:59:04 +02:00
Kumar Aditya
ea5b96842e
bpo-46469: Make asyncio generic classes return GenericAlias (GH-30777) 
* bpo-46469: Make asyncio generic classes return GenericAlias

* 📜🤖 Added by blurb_it.

* Update Misc/NEWS.d/next/Library/2022-01-22-05-05-08.bpo-46469.plUab5.rst

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2022-01-22 13:28:53 +02:00
Serhiy Storchaka
172c0f2752
bpo-39529: Deprecate creating new event loop in asyncio.get_event_loop() (GH-23554) 
asyncio.get_event_loop() emits now a deprecation warning when it creates a new event loop.
In future releases it will became an alias of asyncio.get_running_loop().
 2021-04-25 13:40:44 +03:00
Wansoo Kim
5b0194ed31
bpo-41241: Unnecessary Type casting in 'if condition' (GH-21396) 
This is my first issue!
So, if there's anything wrong, please tell me!

Also, thank you always for all the contributors!

Automerge-Triggered-By: GH:asvetlov
 2020-11-28 03:37:08 -08:00
Chris Jerdonek
da742ba826
bpo-31033: Improve the traceback for cancelled asyncio tasks (GH-19951) 
When an asyncio.Task is cancelled, the exception traceback now
starts with where the task was first interrupted.  Previously,
the traceback only had "depth one."
 2020-05-17 22:47:31 -07:00
Chris Jerdonek
1ce5841eca
bpo-31033: Add a msg argument to Future.cancel() and Task.cancel() (GH-19979) 2020-05-15 16:55:50 -07:00
Batuhan Taşkaya
dec367261e bpo-38978: Implement __class_getitem__ for asyncio objects (GH-17491) 
https://bugs.python.org/issue38978
 2019-12-07 03:05:07 -08:00
Andrew Svetlov
dad6be5ffe bpo-38785: Prevent asyncio from crashing (GH-17144) 
if parent `__init__` is not called from a constructor of object derived from `asyncio.Future`



https://bugs.python.org/issue38785
 2019-11-13 13:36:46 -08:00
Andrew Svetlov
0baa72f4b2
bpo-34622: Extract asyncio exceptions into a separate module (GH-9141) 2018-09-11 10:13:04 -07:00
Yury Selivanov
fdccfe09f0
bpo-33469: RuntimeError after closing loop that used run_in_executor (GH-7171) 2018-05-28 17:10:20 -04:00
Yury Selivanov
22feeb88b4
bpo-32643: Drop support for a few private Task and Future APIs. (#5293) 
Specifically, it's not possible to subclass Task/Future classes
and override the following methods:

* Future._schedule_callbacks
* Task._step
* Task._wakeup
 2018-01-24 11:31:01 -05:00
Yury Selivanov
f23746a934
bpo-32436: Implement PEP 567 (#5027) 2018-01-22 19:11:18 -05:00
Yury Selivanov
e0aef4f3cd
bpo-31721: Allow Future._log_traceback to only be set to False (#5009) 2017-12-25 16:16:10 -05:00
Yury Selivanov
0cf16f9ea0
bpo-32363: Disable Task.set_exception() and Task.set_result() (#4923) 2017-12-25 10:48:15 -05:00
Yury Selivanov
ca9b36cd1a
bpo-32415: Add asyncio.Task.get_loop() and Future.get_loop() (#4992) 2017-12-23 15:04:15 -05:00
Andrew Svetlov
f74ef458ab
bpo-32311: Implement asyncio.create_task() shortcut (#4848) 
* Implement functionality
* Add documentation
 2017-12-15 07:04:38 +02:00
Andrew Svetlov
8874342cf3
bpo-32258: Replace 'yield from' to 'await' in asyncio docs (#4779) 
* Replace 'yield from' to 'await' in asyncio docs

* Fix docstrings
 2017-12-11 17:35:49 +02:00
Yury Selivanov
6370f345e1
bpo-32262: Fix codestyle; use f-strings formatting where necessary. (#4775) 2017-12-10 18:36:12 -05:00
Victor Stinner
3f438a9fa0
asyncio: Remove asyncio/compat.py (#4606) 
The asyncio/compat.py file was written to support Python < 3.5 and
Python < 3.5.2. But Python 3.5 doesn't accept bugfixes anymore, only
security fixes. There is no more need to backport bugfixes to Python
3.5, and so no need to have a single code base for Python 3.5, 3.6
and 3.7.

Say hello (again) to "async" and "await", who became real keywords in
Python 3.7 ;-)
 2017-11-28 14:43:52 +01:00
Victor Stinner
c16bacec3c
asyncio: Remove unused Future._tb_logger attribute (#4596) 
It was only used on Python 3.3, now only Future._log_traceback is
used.
 2017-11-28 00:35:33 +01:00
Antoine Pitrou
921e9432a1
bpo-31970: Reduce performance overhead of asyncio debug mode. (#4314) 
* bpo-31970: Reduce performance overhead of asyncio debug mode.
 2017-11-07 17:23:29 +01:00
Antoine Pitrou
22b1128559
bpo-31960: Fix asyncio.Future documentation for thread (un)safety. (#4319) 2017-11-07 17:03:28 +01:00
Yury Selivanov
7ce1c6fb57 bpo-30508: Don't log exceptions if Task/Future "cancel()" method called (#2050) 2017-06-11 13:49:18 +00:00
INADA Naoki
3e2ad8ec61 bpo-29617: Remove Python 3.3 support from asyncio (GH-232) 2017-04-25 10:57:18 +09:00
Yury Selivanov
a0c1ba608e Issue #28544: Implement asyncio.Task in C. 
This implementation provides additional 10-20% speed boost for
asyncio programs.

The patch also fixes _asynciomodule.c to use Arguments Clinic, and
makes '_schedule_callbacks' an overridable method (as it was in 3.5).
 2016-10-28 12:52:37 -04:00
Yury Selivanov
01c521ba7a asyncio: Increase asyncio.Future test coverage; test both implementations. 
Also, add 'isfuture' to 'asyncio.futures.__all__', so that it's
exposed as 'asyncio.isfuture'.
 2016-10-23 22:34:35 -04:00
INADA Naoki
a83636247e Issue #28448: Fix C implemented asyncio.Future didn't work on Windows 2016-10-21 12:30:15 +09:00
INADA Naoki
c411a7d821 Issue #28452: Remove _asyncio._init_module function 2016-10-18 11:48:14 +09:00
INADA Naoki
9f2ce25481 Issue #28428: Rename _futures module to _asyncio. 
It will have more speedup functions or classes other than asyncio.Future.
 2016-10-15 15:39:19 +09:00
INADA Naoki
9e4e38ecd2 Issue #26801: Added C implementation of asyncio.Future. 
Original patch by Yury Selivanov.
 2016-10-09 14:44:47 +09:00
Guido van Rossum
7b3b3dc85d Merge asyncio upstream. 2016-09-09 14:26:31 -07:00
Guido van Rossum
1140a03426 Rename Future._blocking to _asyncio_future_blocking. 
This is now an official "protected" API that can be used to write
classes that are duck-type-compatible with Future without subclassing
it.  (For that purpose I also changed isinstance(result, Future) to
check for this attribute instead.)

Hopefully Amber Brown can use this to make Twisted.Deferred compatible
with asyncio.Future.

Tests and docs are TBD.
 2016-09-09 12:54:54 -07:00
Yury Selivanov
7661db6228 Issue #27041: asyncio: Add loop.create_future method 2016-05-16 15:38:39 -04:00
Yury Selivanov
1bd030788d asyncio: Prevent StopIteration from being thrown into a Future 
Patch by Chris Angelico (issue #26221)
 2016-03-02 11:03:28 -05:00
Martin Panter
c04fb56e36 Issue #26304: Change "allows to <verb>" to "allows <verb>ing" or similar 
The original form is incorrect grammar and feels awkward, even though the
meaning is clear.
 2016-02-10 05:44:01 +00:00