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Created on 2013-03-04 15:11 by ncoghlan, last changed 2022-04-11 14:57 by admin. This issue is now closed.
| Messages (5) | |||
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| msg183463 - (view) | Author: Nick Coghlan (ncoghlan) *  |
Date: 2013-03-04 15:11 | |
The docs on __prepare__ don't make it clear that it should be a staticmethod, and the error message if you forget is not obvious at all. (This is particularly so, since the examples in PEP 3115 had it as an ordinary method). |
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| msg183466 - (view) | Author: Nick Coghlan (ncoghlan) * |
Date: 2013-03-04 15:28 | |
Class method, not static method (super() breaks if you declare it as a static method) |
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| msg237095 - (view) | Author: Ethan Furman (ethan.furman) * |
Date: 2015-03-03 00:10 | |
Should __prepare__ be special-cased as a classmethod, like __new__ is? Is there any reason to ever have __prepare__ /not/ be a classmethod? |
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| msg237127 - (view) | Author: Nick Coghlan (ncoghlan) * |
Date: 2015-03-03 12:36 | |
__new__ is a little weird - it's actually special cased as a staticmethod. Your questions is still valid, though. For existing versions, documenting the requirement is the only option. For future versions, we could conceivably implement a "decorate it if it isn't already decorated" fallback, but for backwards compatibility we'd have to avoid double-decorating explicitly decorated implementations. |
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| msg267032 - (view) | Author: Berker Peksag (berker.peksag) * |
Date: 2016-06-03 04:21 | |
This is a duplicate of issue 15243. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:57:42 | admin | set | github: 61554 |
| 2016-06-03 04:21:51 | berker.peksag | set | status: open -> closed superseder: Misleading documentation for __prepare__ nosy: + berker.peksag messages: + msg267032 resolution: duplicate stage: resolved |
| 2015-07-21 07:27:01 | ethan.furman | set | nosy:
- ethan.furman |
| 2015-03-03 12:36:22 | ncoghlan | set | messages: + msg237127 |
| 2015-03-03 00:10:20 | ethan.furman | set | messages: + msg237095 |
| 2014-05-19 01:29:23 | ethan.furman | set | nosy:
+ ethan.furman |
| 2013-10-13 20:16:56 | georg.brandl | set | assignee: docs@python components: + Documentation nosy: + docs@python |
| 2013-03-04 15:28:05 | ncoghlan | set | messages:
+ msg183466 title: Be clear that __prepare__ must be declared as a static method -> Be clear that __prepare__ must be declared as a class method |
| 2013-03-04 15:11:32 | ncoghlan | create | |