[Python-modules-team] Bug#871487: python-pyglet: Segmentation fault when using fonts

Mark Hymers mhy at debian.org
Tue Aug 8 12:15:42 UTC 2017

Package: python-pyglet
Version: 1.1.4.dfsg-3
Severity: important
Tags: upstream patch

Dear Maintainer,

pyglet in stretch causes a segmentation fault when using the font
routines.  This can be trivially reproduced:

import pyglet
pyglet.font.load("", 30)

Segmentation fault

This problem does not occur in jessie.

I have tracked this down to the way that ctypes is being used to
call the fontconfig library.  Please find attached a patch which
fixes this.

This is probably important enough to consider a stable update once the
fix is in unstable, as any application which calls pyglet.font.load in
stretch will segmentation fault (e.g. psychopy as soon as a TextStim
object is created).


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