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* Extract tests for sock_*() functions into a separate file (GH-9761)Andrew Svetlov2018-10-082-130/+238
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* bpo-34872: Fix self-cancellation in C implementation of asyncio.Task (GH-9679)Elvis Pranskevichus2018-10-031-0/+36
| | | | | | | | | | | | | | | | | The C implementation of asyncio.Task currently fails to perform the cancellation cleanup correctly in the following scenario. async def task1(): async def task2(): await task3 # task3 is never cancelled asyncio.current_task().cancel() await asyncio.create_task(task2()) The actuall error is a hardcoded call to `future_cancel()` instead of calling the `cancel()` method of a future-like object. Thanks to Vladimir Matveev for noticing the code discrepancy and to Yury Selivanov for coming up with a pathological scenario.
* bpo-34728: Fix asyncio tests to run under "-Werror" (GH-9661)Yury Selivanov2018-10-0213-158/+144
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* bpo-34849: Don't log wating for selector.select in asyncio loop iteration ↵Andrew Svetlov2018-09-301-25/+0
| | | | | | | | | | (GH-9641) The waiting is pretty normal for any asyncio program, logging its time just adds a noise to logs without any useful information provided. https://bugs.python.org/issue34849
* bpo-34687: Make asynico use ProactorEventLoop by default (GH-9538)Victor Stinner2018-09-252-2/+3
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* bpo-34728: Remove deprecate *loop* argument in asyncio.sleep (GH-9415)João Júnior2018-09-241-0/+29
| | | | | | | | | | | | | | | | * Insert the warn in the asyncio.sleep when the loop argument is used * Insert the warn in the asyncio.wait and asyncio.wait_for when the loop argument is used * Better format of the code * Add news file * change calls for get_event_loop() to calls for get_running_loop() * Change message to be more clear in News * Improve the comments in test_tasks
* bpo-34666: Implement stream.awrite() and stream.aclose() (GH-9274)Andrew Svetlov2018-09-131-0/+22
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* Fix test_asyncio for AIX - do not call transport.get_extra_info('sockname') ↵Michael Felt2018-09-131-4/+6
| | | | (#8907)
* bpo-34638: Store a weak reference to stream reader to break strong ↵Andrew Svetlov2018-09-121-0/+71
| | | | | | | | references loop (GH-9201) Store a weak reference to stream readerfor breaking strong references It breaks the strong reference loop between reader and protocol and allows to detect and close the socket if the stream is deleted (garbage collected)
* bpo-34622: Extract asyncio exceptions into a separate module (GH-9141)Andrew Svetlov2018-09-114-12/+12
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* bpo-34542: Update test certs and keys (GH-8997)Christian Heimes2018-08-301-3/+3
| | | | | | | | Update all test certs and keys to use future proof crypto settings: * 3072 bit RSA keys * SHA-256 signature Signed-off-by: Christian Heimes <christian@python.org>
* Make regular expressions in test_tasks.py raw strings. (GH-8759)Benjamin Peterson2018-08-141-2/+2
| | | | | | | | | | | Follow up to bpo-34270. Fixes: ``` Lib/test/test_asyncio/test_tasks.py:330: DeprecationWarning: invalid escape sequence \d match1 = re.match("^<Task pending name='Task-(\d+)'", repr(t1)) Lib/test/test_asyncio/test_tasks.py:332: DeprecationWarning: invalid escape sequence \d match2 = re.match("^<Task pending name='Task-(\d+)'", repr(t2)) ```
* bpo-34270: Make it possible to name asyncio tasks (GH-8547)Alex Grönholm2018-08-082-7/+76
| | | Co-authored-by: Antti Haapala <antti.haapala@anttipatterns.com>
* bpo-33833: Fix ProactorSocketTransport AssertionError (#7893)twisteroid ambassador2018-07-301-0/+13
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* bpo-34075: Deprecate non-ThreadPoolExecutor in loop.set_default_executor() ↵Elvis Pranskevichus2018-07-301-1/+13
| | | | | | | (GH-8533) Various asyncio internals expect that the default executor is a `ThreadPoolExecutor`, so deprecate passing anything else to `loop.set_default_executor()`.
* bpo-27500: Fix static version of getaddrinfo to resolve IPv6 (GH-7993)Yury Selivanov2018-06-291-2/+22
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* bpo-33694: Fix typo in helper function name (GH-7522)Victor Stinner2018-06-081-6/+6
| | | | | | _feed_data_to_bufferred_proto() renamed to _feed_data_to_buffered_proto() ("bufferred" => "buffered"). Typo spotted by Nathaniel J. Smith.
* bpo-33792: Add selector and proactor windows policies (GH-7487)Yury Selivanov2018-06-081-0/+31
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* bpo-33694: Fix race condition in asyncio proactor (GH-7498)Victor Stinner2018-06-072-6/+11
| | | | | | | | | | | | | | | | The cancellation of an overlapped WSARecv() has a race condition which causes data loss because of the current implementation of proactor in asyncio. No longer cancel overlapped WSARecv() in _ProactorReadPipeTransport to work around the race condition. Remove the optimized recv_into() implementation to get simple implementation of pause_reading() using the single _pending_data attribute. Move _feed_data_to_bufferred_proto() to protocols.py. Remove set_protocol() method which became useless.
* bpo-32676, test_asyncio: Fix warning in test_error_in_call_soon() (GH-7462)Victor Stinner2018-06-061-1/+5
| | | | | | | Fix "<CoroWrapper ...> was never yielded from" warning in PyTask_PyFuture_Tests.test_error_in_call_soon() of test_asyncio.test_tasks. Close manually the coroutine on error.
* bpo-33789, test_asyncio: Hide PendingDeprecationWarning (GH-7461)Victor Stinner2018-06-061-1/+2
| | | Hide PendingDeprecationWarning in test__register_task_3().
* bpo-33789: test_asyncio: Fix ResourceWarning (GH-7460)Victor Stinner2018-06-062-2/+12
| | | | | * Close sockets and streams to fix ResourceWarning warnings * Catch also OSError to hide a traceback on an expected handshake error
* bpo-33734: asyncio/ssl: a bunch of bugfixes (#7321)Yury Selivanov2018-06-042-31/+214
| | | | | | | * Fix AttributeError (not all SSL exceptions have 'errno' attribute) * Increase default handshake timeout from 10 to 60 seconds * Make sure start_tls can be cancelled correctly * Make sure any error in SSLProtocol gets propagated (instead of just being logged)
* bpo-33562: Check the global asyncio event loop policy isn't set after any ↵Brett Cannon2018-06-0218-0/+74
| | | | tests (GH-7328)
* Revert "A better fix for asyncio test_stdin_broken_pipe (GH-7221)" (GH-7235)Yury Selivanov2018-05-301-4/+2
| | | | | This reverts commit ad74d50517c069359578014bb32e660828d68332. Turns out it's not a good fix -- Travis has just crashed on this test.
* A better fix for asyncio test_stdin_broken_pipe (#7221)Yury Selivanov2018-05-301-2/+4
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* Revert "bpo-22087: Fix Policy.get_event_loop() to detect fork (GH-7208)" (#7232)Yury Selivanov2018-05-301-32/+0
| | | This reverts commit 5d97b7bcc19496617bf8c448d2f149cc28c73bc7.
* bpo-32684: Fix nits in tests (GH-7225)Yury Selivanov2018-05-291-3/+3
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* bpo-32751: Wait for task cancellation in asyncio.wait_for() (GH-7216)Elvis Pranskevichus2018-05-292-0/+69
| | | | | | | | | | | | | | | | | | | | | | | Currently, asyncio.wait_for(fut), upon reaching the timeout deadline, cancels the future and returns immediately. This is problematic for when *fut* is a Task, because it will be left running for an arbitrary amount of time. This behavior is iself surprising and may lead to related bugs such as the one described in bpo-33638: condition = asyncio.Condition() async with condition: await asyncio.wait_for(condition.wait(), timeout=0.5) Currently, instead of raising a TimeoutError, the above code will fail with `RuntimeError: cannot wait on un-acquired lock`, because `__aexit__` is reached _before_ `condition.wait()` finishes its cancellation and re-acquires the condition lock. To resolve this, make `wait_for` await for the task cancellation. The tradeoff here is that the `timeout` promise may be broken if the task decides to handle its cancellation in a slow way. This represents a behavior change and should probably not be back-patched to 3.6 and earlier.
* bpo-32684: Fix gather to propagate cancel of itself with return_exceptions ↵Yury Selivanov2018-05-291-1/+28
| | | | (GH-7209)
* bpo-22087: Fix Policy.get_event_loop() to detect fork (GH-7208)Yury Selivanov2018-05-291-0/+32
| | | | Original patch by Dan O'Reilly.
* Attempt to fix test_stdin_broken_pipe on Travis (#7210)Yury Selivanov2018-05-291-0/+1
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* bpo-33353: test_asyncio use set_write_buffer_limits() (GH-7200)Victor Stinner2018-05-291-17/+29
| | | | | | | Use transport.set_write_buffer_limits() in sendfile tests of test_asyncio to make sure that the protocol is paused after sending 4 KiB. Previously, test_sendfile_fallback_close_peer_in_the_middle_of_receiving() failed on FreeBSD if the DATA was smaller than the default limit of 64 KiB.
* bpo-33654: Support protocol type switching in SSLTransport.set_protocol() ↵Yury Selivanov2018-05-291-11/+36
| | | | (#7194)
* bpo-32410: Avoid blocking on file IO in sendfile fallback code (GH-7172)Yury Selivanov2018-05-282-0/+14
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* bpo-32610: Fix asyncio.all_tasks() to return only pending tasks. (GH-7174)Yury Selivanov2018-05-281-2/+27
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* bpo-33469: RuntimeError after closing loop that used run_in_executor (GH-7171)Yury Selivanov2018-05-281-0/+18
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* bpo-33672: Fix Task.__repr__ crash with Cython's bogus coroutines (GH-7161)Yury Selivanov2018-05-281-0/+10
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* bpo-32458: Further tune start_tls tests (#7166)Yury Selivanov2018-05-281-4/+6
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* bpo-33654: Support BufferedProtocol in set_protocol() and start_tls() (GH-7130)Yury Selivanov2018-05-285-35/+257
| | | | | | | | | | | In this commit: * Support BufferedProtocol in set_protocol() and start_tls() * Fix proactor to cancel readers reliably * Update tests to be compatible with OpenSSL 1.1.1 * Clarify BufferedProtocol docs * Bump TLS tests timeouts to 60 seconds; eliminate possible race from start_serving * Rewrite test_start_tls_server_1
* bpo-31647: Fix write_eof() after close() for SelectorSocketTransport (GH-7149)twisteroid ambassador2018-05-281-0/+6
| | | | | Fixed bug where calling write_eof() on a _SelectorSocketTransport after it's already closed raises AttributeError.
* bpo-33353: test_asyncio set SO_SNDBUF after connect (GH-7086)Victor Stinner2018-05-241-3/+9
| | | | | bpo-32622, bpo-33353: On macOS, sock.connect() changes the SO_SNDBUF value. Only set SO_SNDBUF and SO_RCVBUF buffer sizes once a socket is connected or binded, not before.
* bpo-33353: test_asyncio uses smaller sendfile data (#7083)Victor Stinner2018-05-231-2/+2
| | | | | | | | | | | | | bpo-32622, bpo-33353: sendfile() tests of test_asyncio use socket buffers of 1 kB "to test on relative small data sets". Send only 160 KiB rather 10 MB to make the test much faster. Shrink also SendfileBase.DATA from 1600 KiB to 160 KiB. On Linux, 3 test_sock_sendfile_mix_with_regular_send() runs now take less than 1 second, instead of 18 seconds. On FreeBSD, the 3 tests didn't hang, but took 3 minutes. Now the 3 tests pass in less than 1 seconds.
* bpo-33618: Enable TLS 1.3 in tests (GH-7079)Christian Heimes2018-05-232-2/+2
| | | | | | | | | | | | TLS 1.3 behaves slightly different than TLS 1.2. Session tickets and TLS client cert auth are now handled after the initialy handshake. Tests now either send/recv data to trigger session and client certs. Or tests ignore ConnectionResetError / BrokenPipeError on the server side to handle clients that force-close the socket fd. To test TLS 1.3, OpenSSL 1.1.1-pre7-dev (git master + OpenSSL PR https://github.com/openssl/openssl/pull/6340) is required. Signed-off-by: Christian Heimes <christian@python.org>
* Use IPv4 only to avoid IP address collision (#7030)Andrew Svetlov2018-05-211-6/+4
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* Fix asyncio flaky tests (#7023)Andrew Svetlov2018-05-211-2/+3
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* bpo-33263: Fix FD leak in _SelectorSocketTransport (GH-6450)Vlad Starostin2018-05-211-0/+15
| | | | | | | | | * bpo-33263 Fix FD leak in _SelectorSocketTransport. (GH-6450) Under particular circumstances _SelectorSocketTransport can try to add a reader even the transport is already being closed. This can lead to FD leak and invalid stated of the following connections. Fixed the SelectorSocketTransport to add the reader only if the trasport is still active.
* bpo-32262: Fix typo in f-string (GH-7016)Christian Heimes2018-05-201-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix typo from commit 6370f345e1d5829e1fba59cd695c8b82c5a8c620 Signed-off-by: Christian Heimes <christian@python.org> <!-- Thanks for your contribution! Please read this comment in its entirety. It's quite important. # Pull Request title It should be in the following format: ``` bpo-NNNN: Summary of the changes made ``` Where: bpo-NNNN refers to the issue number in the https://bugs.python.org. Most PRs will require an issue number. Trivial changes, like fixing a typo, do not need an issue. # Backport Pull Request title If this is a backport PR (PR made against branches other than `master`), please ensure that the PR title is in the following format: ``` [X.Y] <title from the original PR> (GH-NNNN) ``` Where: [X.Y] is the branch name, e.g. [3.6]. GH-NNNN refers to the PR number from `master`. --> <!-- issue-number: bpo-32262 --> https://bugs.python.org/issue32262 <!-- /issue-number -->
* bpo-26819: Prevent proactor double read on resume (#6921)CtrlZvi2018-05-201-1/+8
| | | | | | | | | | The proactor event loop has a race condition when reading with pausing/resuming. `resume_reading()` unconditionally schedules the read function to read from the current future. If `resume_reading()` was called before the previously scheduled done callback fires, this results in two attempts to get the data from the most recent read and an assertion failure. This commit tracks whether or not `resume_reading` needs to reschedule the callback to restart the loop, preventing a second attempt to read the data.
* bpo-33522: Enable CI builds on Visual Studio Team Services (#6865)Steve Dower2018-05-161-3/+15
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