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Created on 2015-11-17 00:37 by Chris Seto, last changed 2022-04-11 14:58 by admin. This issue is now closed.
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| File name | Uploaded | Description | Edit | |
| test.py | Chris Seto, 2015-11-17 00:37 | Example code snippet that crashes | ||
| Messages (3) | |||
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| msg254773 - (view) | Author: Chris Seto (Chris Seto) * | Date: 2015-11-17 00:37 | |
When maxsize is set on a JoinableQueue/Queue and the queue is full (maxsize <= len(queue)) _put is called rather than __put_internal.
__put_internal increments _unfinished_tasks but _put does not.
Whenever using maxsize in a Queue calling task_done will almost always cause a ValueError('task_done() called too many times').
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| msg254776 - (view) | Author: Chris Seto (Chris Seto) * | Date: 2015-11-17 00:44 | |
Looks to be fixed in python 3.6 |
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| msg254777 - (view) | Author: Guido van Rossum (gvanrossum) *  |
Date: 2015-11-17 01:02 | |
Should also be fixed in the next 3.4/3.5 releases. We rewrote the guts of the Queue class to be much simpler. See https://github.com/python/asyncio (specifically, https://github.com/python/asyncio/commit/872597ba12953849cc6893042fd044073b87f870). |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:58:23 | admin | set | github: 69828 |
| 2016-04-16 20:27:55 | berker.peksag | set | status: open -> closed type: crash -> behavior stage: resolved |
| 2015-11-17 01:02:09 | gvanrossum | set | messages: + msg254777 |
| 2015-11-17 00:44:43 | Chris Seto | set | resolution: fixed messages: + msg254776 |
| 2015-11-17 00:37:33 | Chris Seto | create | |