https://bugzilla.wikimedia.org/show_bug.cgi?id=40164
Web browser: ---
Bug #: 40164
Summary: Error of duplicates search (prop=duplicatefiles) for
same named files
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: All
Status: UNCONFIRMED
Severity: normal
Priority: Unprioritized
Component: API
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected],
[email protected]
Classification: Unclassified
Mobile Platform: ---
from #wikimedia irc chanel blockquote:
17:41:55 - Base: hi
17:44:34 - Base:
http://uk.wikipedia.org/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:%D0%AE%D0%9C%D0%97_%D0%95186_1.jpg
has duplicates but query
http://uk.wikipedia.org/w/api.php?action=query&prop=duplicatefiles&format=xml&dflimit=max&titles=File:ЮМЗ_Е186_1.jpg
returns nothing - what is the reason and how fix it?
17:55:23 - Vulpix: Base: if you see the duplicate file, it's hosted on Commons
17:55:47 - Vulpix: that means that the file is hosted in commons and also on
uk.wikipedia
17:56:17 - Base: I know
17:56:42 - Vulpix: since the file on Commons has the attribution already, you
may safely delete the file on uk.wikipedia
17:56:50 - Base: Why API request dont return duplicate file name?
17:57:25 - Vulpix: because the api query only the local file repository, while
the duplicate file is hosted on a remote repository
17:58:20 - Base:
http://uk.wikipedia.org/w/api.php?action=query&prop=duplicatefiles&format=xml&dflimit=max&titles=File:%D8%EA%EE%EB%E02.jpg
17:58:32 - Base: this request work correctly
17:58:46 - Base: - it return name of duplicate
17:58:53 - Base: which is on commons
17:59:52 - Vulpix: but this second file has a different name
18:00:11 - Vulpix: while the first one you mentioned has the exact same name
18:01:08 - Vulpix: if probably could be considered a bug, but not sure how to
fix it
18:03:04 - Base: i create list of files on ukwiki that has same names as files
on commons. and i whant create list of files from this list that is duplicates
of commons ones to delete them...
18:05:05 - Base: May be there is some other way to discover has file duplicates
on commons or no?
18:06:45 - Vulpix: I'm sure this is a bug. I'm reading the code of
ApiQueryDuplicateFiles and I think I've found the problem
18:07:17 - marktraceur: Base: The server does hash checks on files and should
return a warning if there are two exactly similar files
18:08:16 - Vulpix: marktraceur: in this case, the file on commons was upload by
a bot after it was uploaded to ukwikipedia
18:09:02 - Vulpix: He probably wants to bot-delete those kind of files from
ukwikipedia so the commons version is used instead
18:10:03 - marktraceur: Base: So look at the contribs page for the bot?
18:10:37 - Base: marktraceur: which bot?
18:11:25 - Vulpix: This seems to be the problematic line:
https://gerrit.wikimedia.org/r/gitweb?p=mediawiki/core.git;a=blob;f=includes/api/ApiQueryDuplicateFiles.php;hb=HEAD#l121
18:12:46 - Base: can you fix it?
18:13:34 - Vulpix: No, sorry, I have no mediawiki installation with a commons
repository to check it
18:13:46 - Vulpix: File a bug on https://bugzilla.wikimedia.org/
end of blockquote
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