Provide a way to get localized namespaces names through the API
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	MusikAnimal
	Jun 19 2019, 4:13 AM

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Aklapper

MusikAnimal

Description

E.g. the dropdown at https://meta.wikimedia.org/wiki/Special:Contributions?uselang=de shows German translations for the namespaces. This doesn't appear to be accessible through the Siteinfo API.

I was thinking uselang=de should provide the localized names https://meta.wikimedia.org/w/api.php?action=query&meta=siteinfo&siprop=namespaces&uselang=de but I am told it probably makes more sense to introduce a dedicated parameter, maybe sinslang (siteinfo namespace lang), or something similar.

This may be as simple as using the requested language instead of the content language in ApiQuerySiteInfo: https://gerrit.wikimedia.org/g/mediawiki/core/+/7462d3075a23095fd627cebeb0f66e081ad2bede/includes/api/ApiQuerySiteinfo.php#287

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	API: Fix ApiQueryLanguageinfoTest to prepare fixture before expectation	mediawiki/core	master	+5 -0
	API: Add localised namespace names and aliases to languageinfo	mediawiki/core	master	+168 -1

Customize query in gerrit

Related Objects

Mentioned In: T427462: ApiQueryLanguageinfoTest fails locally due to mismatching Project namespace name
rXTRMRBf335b2668c53: Project, GlobalContribs: rm canonical namespace logic
rXTf335b2668c53: Project, GlobalContribs: rm canonical namespace logic

Event Timeline

MusikAnimal created this task.Jun 19 2019, 4:13 AM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJun 19 2019, 4:13 AM

There is a siinlanguagecode parameter, but for namespaces there is no offical german translation, because that would not work in links.

I have no idea how to get it for a namespace dropdown

MusikAnimal mentioned this in rXTf335b2668c53: Project, GlobalContribs: rm canonical namespace logic.Jun 20 2019, 2:15 AM

meta=siteinfo&siprop=namespaces would not be the right place for this, as that's intended for returning namespace names that actually function on the wiki.

Normally the answer would probably be to use list=allmessages to fetch the relevant i18n messages, but the namespace names are not stored as i18n messages (they're separate i18n data).

It's a bit of a stretch, but probably the new meta=languageinfo would be the best place since in MediaWiki the namespace names are in fact "properties" of the language.

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MusikAnimal mentioned this in rXTRMRBf335b2668c53: Project, GlobalContribs: rm canonical namespace logic.Mar 20 2025, 3:13 AM

Change #1281626 had a related patch set uploaded (by Jon Harald Søby; author: Jon Harald Søby):

[mediawiki/core@master] Add localized namespace names and aliases to languageinfo API

https://gerrit.wikimedia.org/r/1281626

gerritbot added a project: Patch-For-Review.May 1 2026, 9:08 PM

Maintenance_bot added a project: MW-Interfaces-Team.May 1 2026, 9:31 PM

jhsoby added a project: Wikimedia-Hackathon-2026.May 2 2026, 9:46 AM

Aklapper moved this task from Backlog to Proposed Projects on the Wikimedia-Hackathon-2026 board.May 4 2026, 9:12 AM

Change #1281626 merged by jenkins-bot:

[mediawiki/core@master] API: Add localised namespace names and aliases to languageinfo

https://gerrit.wikimedia.org/r/1281626

ReleaseTaggerBot added a project: MW-1.47-notes (1.47.0-wmf.1; 2026-05-05).May 4 2026, 2:00 PM

Maintenance_bot removed a project: Patch-For-Review.May 4 2026, 2:31 PM

BPirkle moved this task from Incoming (Needs Triage) to Radar (other teams work) on the MW-Interfaces-Team board.May 4 2026, 7:13 PM

jhsoby closed this task as Resolved.May 5 2026, 1:15 PM

jhsoby claimed this task.

Krinkle mentioned this in T427462: ApiQueryLanguageinfoTest fails locally due to mismatching Project namespace name.Thu, May 28, 12:07 AM

Change #1294472 had a related patch set uploaded (by Krinkle; author: Krinkle):

[mediawiki/core@master] API: Fix ApiQueryLanguageinfoTest to prepare fixture before expectation

https://gerrit.wikimedia.org/r/1294472

gerritbot added a project: Patch-For-Review.Thu, May 28, 12:16 AM

Change #1294472 merged by jenkins-bot: