Transwiki import summary link uses local namespace name which may not be defined on source wiki
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	Meno25
	Sep 12 2012, 8:05 PM

Description

When importing [[arz:قالب:Country data Cape Verde/doc]] (which is a template documentation page) from English Wikipedia to Egyptian Arabic (arz) Wikipedia, the edit summary of the import process

1 تعديل من en:قالب:Country data Cape Verde/doc: قالب متعاز و لسه محتاج ترجمه

contains a link to [[en:قالب:Country data Cape Verde/doc]] which is wrong because it shows the localized name of the template namespace in Arabic (قالب). Instead, the link should be [[en:Template:Country data Cape Verde/doc]].

Version: 1.21.x
Severity: minor
URL: http://arz.wikipedia.org/w/index.php?title=%D9%82%D8%A7%D9%84%D8%A8%3ACountry_data_Cape_Verde%2Fdoc&diff=416513&oldid=416512

Details

Reference: bz40192

	Project	Branch	Lines +/-	Subject
	mediawiki/core	master	+1 K -55	Proper namespace handling for WikiImporter

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		Status	Subtype	Assigned	Task
		Resolved		TTO	T32723 Import should always use original wiki's namespace names in log entries and trim namespaces it doesn't know in the target title to allow manual choice
		Resolved		TTO	T42192 Transwiki import summary link uses local namespace name which may not be defined on source wiki

Event Timeline

• bzimport raised the priority of this task from to Medium.Nov 22 2014, 12:49 AM

• bzimport added projects: MediaWiki-Core-Snapshots, I18n.

• bzimport set Reference to bz40192.

• bzimport added a subscriber: Unknown Object (MLST).

Meno25 created this task.Sep 12 2012, 8:05 PM

I just took a look at this:

As far as I can tell, the problem here is that the WikiImporter class (in Import.php) uses a Title object to store the title of the original page. However, WikiImporter doesn't know about interwiki prefixes, so it creates a Title with no interwiki prefix. This causes the Title class to assume it is dealing with a local page, so it uses local namespace names when generating a display form of the title.

This could partly be solved by always using canonical namespace names in the edit summary. However, that would probably fail in the following scenario:

import "Portal:Foo" to a wiki where "Portal" is set as a namespace alias for the "Portada" namespace
Title object returns a link to "Portada:Foo", which doesn't exist on the source wiki

But I am inclined to think it is a better stopgap solution (fixes the vast majority of cases) until someone can be bothered to overhaul WikiImporter!

Change 84197 had a related patch set uploaded by TTO:
Make the link in import log entry always use canonical namespace

https://gerrit.wikimedia.org/r/84197

Bug 62821 has been marked as a duplicate of this bug. ***

Change 149293 had a related patch set uploaded by TTO:
Proper namespace handling for WikiImporter

https://gerrit.wikimedia.org/r/149293

Change 84197 abandoned by TTO:
Make the link in import log entry always use canonical namespace

Reason:
OK, I decided to do this *for real* this time. See Iaa58e1b9fd

https://gerrit.wikimedia.org/r/84197

Change 149293 had a related patch set uploaded (by TTO):
Proper namespace handling for WikiImporter

https://gerrit.wikimedia.org/r/149293

Patch-For-Review

Change 149293 had a related patch set (by TTO) published:
Proper namespace handling for WikiImporter

https://gerrit.wikimedia.org/r/149293

Patch-For-Review

Change 149293 had a related patch set (by TTO) published:
Proper namespace handling for WikiImporter

https://gerrit.wikimedia.org/r/149293

Patch-For-Review

• MZMcBride added a subscriber: • MZMcBride.Dec 13 2014, 5:57 AM

QChris mentioned this in T77961: Gerrit bot posts duplicate changeset announcements.Jan 4 2015, 9:55 PM

Change 149293 merged by jenkins-bot:
Proper namespace handling for WikiImporter

https://gerrit.wikimedia.org/r/149293

TTO mentioned this in rMW37b4cd5da2c3: Proper namespace handling for WikiImporter.Jan 5 2015, 10:41 PM

Pretty sure this should be fixed by that patch.

RandomDSdevel awarded a token.Jan 13 2015, 12:13 AM

RandomDSdevel rescinded a token.

RandomDSdevel awarded a token.

Meno25 removed a project: Patch-For-Review.Mar 14 2022, 8:15 AM

Meno25 removed a subscriber: • wikibugs-l-list.

Restricted Application added a subscriber: alaa. · View Herald TranscriptMar 14 2022, 8:15 AM

Transwiki import summary link uses local namespace name which may not be defined on source wikiClosed, ResolvedPublicActions

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Transwiki import summary link uses local namespace name which may not be defined on source wiki
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