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Issue25233

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classification
Title:AssertionError from asyncio Queue get
Type:behaviorStage:resolved
Components:asyncioVersions:Python 3.5
process
Status:closedResolution:fixed
Dependencies:Superseder:
Assigned To: gvanrossumNosy List: gvanrossum, larry, python-dev, vstinner, yselivanov
Priority:release blockerKeywords:3.5regression

Created on2015-09-25 17:27 bygvanrossum, last changed2022-04-11 14:58 byadmin. This issue is nowclosed.

Messages (6)
msg251590 -(view)Author: Guido van Rossum (gvanrossum)*(Python committer)Date: 2015-09-25 17:27
Seehttps://github.com/python/asyncio/issues/265 andhttps://github.com/python/asyncio/issues/268. This looks like an important regression and we should fix it before 3.5.1 goes out.The symptom is "AssertionError: queue non-empty, why are getters waiting?" from Queue.get or Queue.get_nowait. The first issue discusses the cause and a possible hack to fix it.
msg251591 -(view)Author: Yury Selivanov (yselivanov)*(Python committer)Date: 2015-09-25 18:12
> This looks like an important regression and we should fix it before 3.5.1 goes out.I agree.  Any ETA on 3.5.1?
msg251604 -(view)Author: STINNER Victor (vstinner)*(Python committer)Date: 2015-09-25 20:10
2015-09-25 20:12 GMT+02:00 Yury Selivanov <report@bugs.python.org>:>> This looks like an important regression and we should fix it before 3.5.1 goes out.>> I agree.  Any ETA on 3.5.1?Seehttps://mail.python.org/pipermail/python-dev/2015-September/141705.html
msg251649 -(view)Author: Guido van Rossum (gvanrossum)*(Python committer)Date: 2015-09-26 15:10
I have a fix pending here:https://github.com/python/asyncio/pull/269
msg251770 -(view)Author: Roundup Robot (python-dev)(Python triager)Date: 2015-09-28 14:46
New changeset1ea306202d5d by Guido van Rossum in branch '3.4':Issue#25233: Rewrite the guts of Queue to be more understandable and correct.https://hg.python.org/cpython/rev/1ea306202d5dNew changeseta48d90049ae2 by Guido van Rossum in branch '3.5':Issue#25233: Rewrite the guts of Queue to be more understandable and correct. (Merge 3.4->3.5.)https://hg.python.org/cpython/rev/a48d90049ae2
msg251798 -(view)Author: Roundup Robot (python-dev)(Python triager)Date: 2015-09-28 20:36
New changeset58695845e159 by Guido van Rossum in branch 'default':Issue#25233: Rewrite the guts of Queue to be more understandable and correct. (Merge 3.5->default.)https://hg.python.org/cpython/rev/58695845e159
History
DateUserActionArgs
2022-04-11 14:58:21adminsetnosy: +larry
github: 69420
2015-09-29 04:03:36gvanrossumsetstatus: open -> closed
assignee:gvanrossum
resolution: fixed
stage: resolved
2015-09-28 20:36:06python-devsetmessages: +msg251798
2015-09-28 14:46:34python-devsetnosy: +python-dev
messages: +msg251770
2015-09-26 15:10:29gvanrossumsetmessages: +msg251649
2015-09-25 20:10:40vstinnersetmessages: +msg251604
2015-09-25 18:12:02yselivanovsetmessages: +msg251591
2015-09-25 17:27:20gvanrossumcreate
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