Brad,
Thank you for the detail explanation, and for purging several this and related files. I
will remember about " forcelinkupdate" purge option in case I run into one of
those again.
Jarek T.
(user:jarekt)
-----Original Message-----
From: wikitech-l-bounces(a)lists.wikimedia.org
[mailto:wikitech-l-bounces@lists.wikimedia.org] On Behalf Of Brad Jorsch (Anomie)
Sent: Thursday, January 02, 2014 12:21 PM
To: Wikimedia developers
Subject: Re: [Wikitech-l] File sources and spam blacklist
On Thu, Jan 2, 2014 at 10:36 AM, Tuszynski, Jaroslaw W. <
JAROSLAW.W.TUSZYNSKI(a)leidos.com> wrote:
Over the years while editing on Commons, I run
several times into
lock down pages that can't be edited. The issue is that after the page
was created the website listed as the image source was added to the
list of blocked sites by the spam filter as blacklisted external site.
As a result unless someone delete valid source the image cannot be
categorized or altered in any way.
That is not (supposed to be) correct, since 2008.[1] A page containing a blacklisted link
is supposed to be editable as long as the existing blacklisted link isn't changed.
If a different blacklisted link is added or the blacklisted link is changed to a different
blacklisted link, then the blacklist would apply to that new/changed link, of course.
[1]:
https://www.mediawiki.org/wiki/Special:Code/MediaWiki/34769
See for example
The problem with that page was that somehow the metadata stored in the database claimed
that it did not contain any external links, so the check "is this blacklisted link
already in the existing version of the article?"
was failing. The metadata was also lacking various other templates and such
Purging the page via the API with the forcelinkupdate option updated that metadata, and
then I was able to make a dummy edit.[2]
Looking further into the issue, it appears that pages on Commons are sometimes somehow
hitting the expansion depth limit when being parsed for the metadata, despite there
seeming to be no reason for them to be coming anywhere near the limit. That file was a
particularly bad case, it appears to have somehow hit the limit without expanding *any*
templates. I have been unable to find what might be causing this.
[2]:
https://commons.wikimedia.org/w/index.php?title=File:Masopust_dr%C5%BE%C3%A…
--
Brad Jorsch (Anomie)
Software Engineer
Wikimedia Foundation
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