Issue 30702: pickle uses getattr(obj, '__reduce__') instead of getattr(type(obj), '__reduce__')

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This issue has been migrated to GitHub: https://github.com/python/cpython/issues/74887

classification

Title:	pickle uses getattr(obj, '__reduce__') instead of getattr(type(obj), '__reduce__')
Type:	behavior	Stage:	resolved
Components:	Library (Lib)	Versions:	Python 3.6

process

Status:	closed	Resolution:	duplicate
Dependencies:	Superseder:	pickle special methods are looked up on the instance rather than the type View: 16251
Assigned To:	Nosy List:	bup, serhiy.storchaka
Priority:	normal	Keywords:

Created on 2017年06月19日 13:49 by bup, last changed 2022年04月11日 14:58 by admin. This issue is now closed.

Messages (2)
msg296337 - (view)	Author: Dan Snider (bup) *	Date: 2017年06月19日 13:49
That is inconsistent with every other object.__dunder_method__ which still work even if the instance gets an attribute with the same name.
msg296476 - (view)	Author: Serhiy Storchaka (serhiy.storchaka) * (Python committer)	Date: 2017年06月20日 18:09
This is a duplicate of issue16251.

History
Date	User	Action	Args
2022年04月11日 14:58:47	admin	set	github: 74887
2017年06月20日 18:09:37	serhiy.storchaka	set	status: open -> closed superseder: pickle special methods are looked up on the instance rather than the type nosy: + serhiy.storchaka messages: + msg296476 resolution: duplicate stage: resolved
2017年06月19日 13:49:40	bup	create

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