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* [3.9] bpo-41687: Fix sendfile implementation to work with Solaris (GH-22040) ↵Łukasz Langa2020-09-161-0/+6
| | | | | | | (GH-22273) (cherry picked from commit 8c0be6fd9101746235b63ddfb84106d1e9ca286b) Co-authored-by: Jakub Kulík <Kulikjak@gmail.com>
* bpo-39010: Improve test shutdown (GH-22066) (#22082)Miss Islington (bot)2020-09-031-3/+11
| | | | | | | | | | | | Simply closing the event loop isn't enough to avoid warnings. If we don't also shut down the event loop's default executor, it sometimes logs a "dangling thread" warning. Follow-up to GH-22017 (cherry picked from commit be435ae2b064dc64f04475bec632862e1dbf605f) Co-authored-by: Ben Darnell <ben@bendarnell.com> Co-authored-by: Ben Darnell <ben@bendarnell.com>
* bpo-41696: Fix handling of debug mode in asyncio.run (GH-22069) (#22071)Miss Islington (bot)2020-09-031-0/+3
| | | | | | | | | | | | | | | | * bpo-41696: Fix handling of debug mode in asyncio.run This allows PYTHONASYNCIODEBUG or -X dev to enable asyncio debug mode when using asyncio.run * 📜🤖 Added by blurb_it. Co-authored-by: hauntsaninja <> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> (cherry picked from commit 0770ad948cb6d9f7f6c4002efd83e27c27069808) Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com> Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
* bpo-39010: Fix errors logged on proactor loop restart (GH-22017) (#22034)Miss Islington (bot)2020-09-032-0/+21
| | | | | | | | | | | Stopping and restarting a proactor event loop on windows can lead to spurious errors logged (ConnectionResetError while reading from the self pipe). This fixes the issue by ensuring that we don't attempt to start multiple copies of the self-pipe reading loop. (cherry picked from commit ea5a6363c3f8cc90b7c0cc573922b10f296073b6) Co-authored-by: Ben Darnell <ben@bendarnell.com> Co-authored-by: Ben Darnell <ben@bendarnell.com>
* bpo-37658: Fix asyncio.wait_for() to respect waited task status (GH-21894) ↵Miss Islington (bot)2020-08-261-0/+16
| | | | | | | | | | | (GH-21964) Currently, if `asyncio.wait_for()` itself is cancelled it will always raise `CancelledError` regardless if the underlying task is still running. This is similar to a race with the timeout, which is handled already. (cherry picked from commit a2118a14627256197bddcf4fcecad4c264c1e39d) Co-authored-by: Elvis Pranskevichus <elvis@magic.io>
* bpo-32751: Wait for task cancel in asyncio.wait_for() when timeout <= 0 ↵Miss Islington (bot)2020-08-261-0/+31
| | | | | | | | | | | (GH-21895) (GH-21963) When I was fixing bpo-32751 back in GH-7216 I missed the case when *timeout* is zero or negative. This takes care of that. Props to @aaliddell for noticing the inconsistency. (cherry picked from commit c517fc712105c8e5930cb42baaebdbe37fc3e15f) Co-authored-by: Elvis Pranskevichus <elvis@magic.io>
* bpo-41317: Remove reader on cancellation in asyncio.loop.sock_accept() ↵Miss Islington (bot)2020-07-231-0/+19
| | | | | | | (GH-21595) (cherry picked from commit 0dd98c2d00a75efbec19c2ed942923981bc06683) Co-authored-by: Alex Grönholm <alex.gronholm@nextday.fi>
* bpo-40967: Remove deprecated asyncio.Task.current_task() and ↵Miss Islington (bot)2020-07-021-47/+1
| | | | | | | asyncio.Task.all_tasks() (GH-20874) (cherry picked from commit 004e64e8059fe68a72890314673282f2e60d5ce1) Co-authored-by: Rémi Lapeyre <remi.lapeyre@lenstra.fr>
* bpo-38377: Add support.skip_if_broken_multiprocessing_synchronize() ↵Victor Stinner2020-06-181-2/+2
| | | | | | | | | | (GH-20944) (GH-20962) On Linux, skip tests using multiprocessing if the current user cannot create a file in /dev/shm/ directory. Add the skip_if_broken_multiprocessing_synchronize() function to the test.support module. (cherry picked from commit ddbeb2f3e02a510c5784ffd74c5e09e8c70b5881)
* bpo-30064: Fix slow asyncio sock test (GH-20868)Miss Islington (bot)2020-06-141-14/+20
| | | | | | | | | | | | | | | | Using a log2n way to fill a much smaller buffer, and receiving in a cleaner way with EOF. The failing test was reproducible using the following command thanks to @aeros : ```bash ./python -m test test_asyncio.test_sock_lowlevel --match test_sock_client_racing -j100 -F -v ``` According to test results, we may still need to bump the timeout: https://github.com/python/cpython/blob/5aad027db9618f22f6fa2274e05dd50f928d2ed7/Lib/test/test_asyncio/test_sock_lowlevel.pyGH-L256-L257 (cherry picked from commit 8f04a84755babe516ebb5304904ea7c15b865c80) Co-authored-by: Fantix King <fantix.king@gmail.com>
* bpo-30064: Properly skip unstable loop.sock_connect() racing test (GH-20494)Miss Islington (bot)2020-05-281-20/+26
| | | | | (cherry picked from commit dc4eee9e266267498a6b783a0abccc23c06f2b87) Co-authored-by: Fantix King <fantix.king@gmail.com>
* bpo-30064: Fix unstable asyncio "racing" socket tests (GH-20485)Miss Islington (bot)2020-05-281-0/+4
| | | | | | | | Skip new "racing" socket tests which fail randomly until someone fix them, to ease analysis of buildbot failures (skip tests which are known to be broken/unstable). (cherry picked from commit 84ee7e1573d166fe7a9be676813e12523b62ab24) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-30064: Fix asyncio loop.sock_* race condition issue (GH-20369)Miss Islington (bot)2020-05-271-0/+131
| | | | | (cherry picked from commit 210a137396979d747c2602eeef46c34fc4955448) Co-authored-by: Fantix King <fantix.king@gmail.com>
* bpo-40696: Fix a hang that can arise after gen.throw() (GH-20287)Miss Islington (bot)2020-05-221-3/+36
| | | | | | | | | | This updates _PyErr_ChainStackItem() to use _PyErr_SetObject() instead of _PyErr_ChainExceptions(). This prevents a hang in certain circumstances because _PyErr_SetObject() performs checks to prevent cycles in the exception context chain while _PyErr_ChainExceptions() doesn't. (cherry picked from commit 7c30d12bd5359b0f66c4fbc98aa055398bcc8a7e) Co-authored-by: Chris Jerdonek <chris.jerdonek@gmail.com>
* bpo-32309: Add support for contextvars in asyncio.to_thread() (GH-20278)Miss Islington (bot)2020-05-211-0/+14
| | | | | | | | Allows contextvars from the main thread to be accessed in the separate thread used in `asyncio.to_thread()`. See the [discussion](https://github.com/python/cpython/pull/20143GH-discussion_r427808225) in GH-20143 for context. Automerge-Triggered-By: @aeros (cherry picked from commit 0f56263e62ba91d0baae40fb98947a3a98034a73) Co-authored-by: Kyle Stanley <aeros167@gmail.com>
* bpo-32309: Implement asyncio.to_thread() (GH-20143)Miss Islington (bot)2020-05-191-0/+79
| | | | | | | | Implements `asyncio.to_thread`, a coroutine for asynchronously running IO-bound functions in a separate thread without blocking the event loop. See the discussion starting from [here](https://github.com/python/cpython/pull/18410GH-issuecomment-628930973) in GH-18410 for context. Automerge-Triggered-By: @aeros (cherry picked from commit cc2bbc2227c3f5ed9d8f6b3bd052e6f9e68279d2) Co-authored-by: Kyle Stanley <aeros167@gmail.com>
* bpo-39148: fixup to account for IPV6_ENABLED being moved (GH-20170)Nathaniel J. Smith2020-05-181-1/+1
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* bpo-39148: enable ipv6 for datagrams in Proactor (GH-19121)Kjell Braden2020-05-181-3/+12
| | | | | | Ifdef is not necessary, as AF_INET6 is supported from Windows Vista, and other code in overlapped.c uses AF_INET6 and is not ifdef'd. Change the raised exception so users are not fooled to think it comes from Windows API. Automerge-Triggered-By: @njsmith
* bpo-31033: Improve the traceback for cancelled asyncio tasks (GH-19951)Chris Jerdonek2020-05-181-22/+114
| | | | | 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."
* bpo-31033: Add a msg argument to Future.cancel() and Task.cancel() (GH-19979)Chris Jerdonek2020-05-152-25/+162
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* bpo-40607: Reraise exception during task cancelation in asyncio.wait_for() ↵romasku2020-05-151-4/+51
| | | | | | | | | | | | | | | (GH-20054) Currently, if asyncio.wait_for() timeout expires, it cancels inner future and then always raises TimeoutError. In case those future is task, it can handle cancelation mannually, and those process can lead to some other exception. Current implementation silently loses thoses exception. To resolve this, wait_for will check was the cancelation successfull or not. In case there was exception, wait_for will reraise it. Co-authored-by: Roman Skurikhin <roman.skurikhin@cruxlab.com>
* bpo-29587: Make gen.throw() chain exceptions with yield from (GH-19858)Chris Jerdonek2020-05-131-0/+27
| | | | | | | | | | | | The previous commits on bpo-29587 got exception chaining working with gen.throw() in the `yield` case. This patch also gets the `yield from` case working. As a consequence, implicit exception chaining now also works in the asyncio scenario of awaiting on a task when an exception is already active. Tests are included for both the asyncio case and the pure generator-only case.
* bpo-40443: Remove unused imports in tests (GH-19804)Victor Stinner2020-04-303-3/+0
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* bpo-40275: Avoid importing socket in test.support (GH-19603)Serhiy Storchaka2020-04-258-37/+44
| | | | | | * Move socket related functions from test.support to socket_helper. * Import socket, nntplib and urllib.error lazily in transient_internet(). * Remove importing multiprocess.
* bpo-40115: Fix refleak in test_asyncio.test_run_in_executor_cancel() (GH-19282)Kyle Stanley2020-04-021-0/+2
| | | Call explicitly self.loop.shutdown_default_executor().
* bpo-39794: Add --without-decimal-contextvar (#18702)Stefan Krah2020-02-291-0/+1
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* Suppress the hang (#18457)Andrew Svetlov2020-02-261-2/+9
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* bpo-34793: Drop old-style context managers in asyncio.locks (GH-17533)Andrew Svetlov2020-02-012-138/+40
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* bpo-39191: Fix RuntimeWarning in asyncio test (GH-17863)Andrew Svetlov2020-01-071-2/+6
| | | https://bugs.python.org/issue39191
* bpo-34790: Implement deprecation of passing coroutines to asyncio.wait() ↵Kyle Stanley2019-12-301-5/+19
| | | | (GH-16977)
* Fix warnings in test_asyncio.test_base_events (#17577)Kyle Stanley2019-12-121-3/+4
| | | Co-authored-by: tirkarthi
* bpo-38614: Use test.support.SHORT_TIMEOUT constant (GH-17566)Victor Stinner2019-12-113-11/+16
| | | | | | | | | | | | | | | Replace hardcoded timeout constants in tests with SHORT_TIMEOUT of test.support, so it's easier to ajdust this timeout for all tests at once. SHORT_TIMEOUT is 30 seconds by default, but it can be longer depending on --timeout command line option. The change makes almost all timeouts longer, except test_reap_children() of test_support which is made 2x shorter: SHORT_TIMEOUT should be enough. If this test starts to fail, LONG_TIMEOUT should be used instead. Uniformize also "from test import support" import in some test files.
* bpo-38614: Use test.support.LONG_TIMEOUT constant (GH-17562)Victor Stinner2019-12-101-1/+2
| | | | | | | | Replace hardcoded timeout constants in tests with LONG_TIMEOUT of test.support, so it's easier to ajdust this timeout for all tests at once. LONG_TIMEOUT is 5 minutes by default, but it can be longer depending on --timeout command line option.
* bpo-38614: Use default join_thread() timeout in tests (GH-17559)Victor Stinner2019-12-101-1/+1
| | | | | Tests no longer pass a timeout value to join_thread() of test.support: use the default join_thread() timeout instead (SHORT_TIMEOUT constant of test.support).
* bpo-38614: Use test.support.LOOPBACK_TIMEOUT constant (GH-17554)Victor Stinner2019-12-104-6/+8
| | | | | Replace hardcoded timeout constants in tests with LOOPBACK_TIMEOUT of test.support, so it's easier to ajdust this timeout for all tests at once.
* bpo-37228: Fix loop.create_datagram_endpoint()'s usage of SO_REUSEADDR (#17311)Kyle Stanley2019-12-091-17/+24
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* bpo-38529: Fix asyncio stream warning (GH-17474)Andrew Svetlov2019-12-071-53/+0
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* bpo-38841: Skip asyncio test_create_datagram_endpoint_existing_sock_unix ↵xdegaye2019-11-201-1/+1
| | | | | | | | | | | | | (GH-17294) on platforms lacking a functional bind() for named unix domain sockets https://bugs.python.org/issue38841 Automerge-Triggered-By: @asvetlov
* closes bpo-38692: Add a pidfd child process watcher to asyncio. (GH-17069)Benjamin Peterson2019-11-141-0/+18
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* bpo-38785: Prevent asyncio from crashing (GH-17144)Andrew Svetlov2019-11-131-0/+39
| | | | | | | if parent `__init__` is not called from a constructor of object derived from `asyncio.Future` https://bugs.python.org/issue38785
* bpo-38614: Increase asyncio test_communicate() timeout (GH-16995)Victor Stinner2019-10-301-1/+1
| | | | Fix test_communicate() of test_asyncio.test_subprocess: use support.LONG_TIMEOUT (5 minutes), instead of 1 minute.
* bpo-34679: ProactorEventLoop only uses set_wakeup_fd() in main thread (GH-16901)Victor Stinner2019-10-231-0/+2
| | | | bpo-34679, bpo-38563: asyncio.ProactorEventLoop.close() now only calls signal.set_wakeup_fd() in the main thread.
* bpo-35998: Fix test_asyncio.test_start_tls_server_1() (GH-16815)Victor Stinner2019-10-161-14/+10
| | | | | | | | | | main() is now responsible to send the ANSWER, rather than ServerProto. main() now waits until it got the HELLO before sending the ANSWER over the new transport. Previously, there was a race condition between main() replacing the protocol and the protocol sending the ANSWER once it gets the HELLO. TLSv1.3 was disabled for the test: reenable it.
* bpo-38242: Revert "bpo-36889: Merge asyncio streams (GH-13251)" (#16482)Yury Selivanov2019-09-305-979/+192
| | | See https://bugs.python.org/issue38242 for more details
* bpo-38019: correctly handle pause/resume reading of closed asyncio unix pipe ↵Andrew Svetlov2019-09-291-0/+27
| | | | (GH-16472)
* bpo-38248: Fix inconsistent immediate asyncio.Task cancellation (GH-16330)Yury Selivanov2019-09-251-0/+4
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* bpo-33694: Remove test_asyncio ProactorDatagramTransportTests (GH-16288)Victor Stinner2019-09-201-253/+0
| | | | ProactorDatagramTransportTests tests are too close to the implementation.
* bpo-34037: test_asyncio uses shutdown_default_executor() (GH-16284)Victor Stinner2019-09-193-3/+13
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* bpo-37199: Replace the early returns added in c2cda63. (GH-14535)Zackery Spytz2019-09-131-37/+34
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* bpo-38148: Add slots to asyncio transports (GH-16077)Andrew Svetlov2019-09-131-4/+9
| | | | | | | | * bpo-38148: Add slots to asyncio transports * Update Misc/NEWS.d/next/Library/2019-09-13-08-55-43.bpo-38148.Lnww6D.rst Co-Authored-By: Kyle Stanley <aeros167@gmail.com>
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