Issue 40273: mappingproxy isn't reversible [proxy]

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Issue40273

classification

Title:	mappingproxy isn't reversible
Type:	enhancement	Stage:	resolved
Components:		Versions:	Python 3.9

process

Status:	closed	Resolution:	fixed
Dependencies:		Superseder:
Assigned To:		Nosy List:	ZackerySpytz, jack1142, remi.lapeyre, rhettinger
Priority:	normal	Keywords:	easy (C), patch

Created on 2020-04-13 13:54 by jack1142, last changed 2020-05-21 15:20 by rhettinger. This issue is now closed.

Pull Requests
URL	Status	Linked	Edit
PR 19513	merged	ZackerySpytz, 2020-04-14 15:56

Messages (4)
msg366315 - (view)	Author: (jack1142) *	Date: 2020-04-13 13:54
Starting in version 3.8, dicts are reversible so it would make sense if mapping proxy were also reversible. Especially that `reversed(proxied_dict.keys())` does work.
msg366321 - (view)	Author: Raymond Hettinger (rhettinger) *	Date: 2020-04-13 18:14
This seems reasonable. +1
msg368421 - (view)	Author: Raymond Hettinger (rhettinger) *	Date: 2020-05-08 05:25
New changeset 02fa0ea9c1073e4476c9bde3d7112f5dd964aa57 by Zackery Spytz in branch 'master': bpo-40273: Reversible mappingproxy (FH-19513) https://github.com/python/cpython/commit/02fa0ea9c1073e4476c9bde3d7112f5dd964aa57
msg369522 - (view)	Author: Rémi Lapeyre (remi.lapeyre) *	Date: 2020-05-21 13:32
I think this issue can be closed thanks to Zackery Spytz.

History
Date	User	Action	Args
2020-05-21 15:20:07	rhettinger	set	status: open -> closed resolution: fixed stage: patch review -> resolved
2020-05-21 13:32:41	remi.lapeyre	set	nosy: + remi.lapeyre messages: + msg369522
2020-05-08 05:25:57	rhettinger	set	messages: + msg368421
2020-04-14 15:56:54	ZackerySpytz	set	keywords: + patch nosy: + ZackerySpytz pull_requests: + pull_request18866 stage: patch review
2020-04-13 18:14:01	rhettinger	set	keywords: + easy (C) messages: + msg366321 versions: - Python 3.8
2020-04-13 14:39:42	xtreak	set	nosy: + rhettinger
2020-04-13 13:57:05	jack1142	set	type: enhancement
2020-04-13 13:54:42	jack1142	create