Hello all,

This is especially relevant for all interwiki bots on the toolserver.
Do *not* use python 2.7 for those bots.

There is a bug [1] in the unicode normalization that causes page
titles to become mangled [2]. This, in turn, results in botwars [3].
As such, interwiki bots on wikipedia should use a python version that
does not have this bug, which means using a version before 2.6.5.

Although you will get a warning message when using a python version
that exhibits this bug, the bot will still work. As such, you may very
well cause bot wars if you start using py2.7.

Best regards,
Merlijn van Deen


[1] http://bugs.python.org/issue10254
[2] 
http://sourceforge.net/tracker/?func=detail&atid=603138&aid=3081100&group_id=93107
[3] 
http://de.wikipedia.org/w/index.php?title=GNU-Lizenz_f%C3%BCr_freie_Dokumentation&action=history

On 22 November 2010 11:22, River Tarnell <river.tarn...@wikimedia.de> wrote:
>
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> Hi,
>
> During the general maintenance on Dec 6th, we will change the default Python
> version (/usr/bin/python) on the Solaris user servers from 2.6 to 2.7.  You 
> may
> wish to test your tools with /usr/bin/python2.7 before then.
>
>        - river.
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