Bug#953643: gdk-pixbuf FTBFS on powerpc due to "ModuleNotFoundError: No module named 'giscanner._giscanner'"

[John Paul Adrian Glaubitz]

Hi Simon and Daniel!

On 3/11/20 8:25 PM, Simon McVittie wrote:
> On Wed, 11 Mar 2020 at 01:20:56 -0400, Daniel Kahn Gillmor wrote:
>> ModuleNotFoundError: No module named 'giscanner._giscanner'
> 
> I think this is the python3.8 transition, combined with powerpc not having
> built gobject-introspection since #950267 was fixed.
> 
> The powerpc binary for gobject-introspection only contains a _giscanner.so
> for python3.7 (which was current when it was built), but is run with the
> default python3, which is now python3.8. It should have had a dependency
> on python3 (<< 3.8) to represent that, but the correct dependency wasn't
> generated due to a packaging bug (#950267, now fixed).
> 
> A powerpc porter might be able to rescue this by doing a manual binNMU
> of powerpc's outdated source version of gobject-introspection against
> python3.8-as-default, or by building gdk-pixbuf with python3 (<< 3.8)
> installed, or something.

Thanks so much for already doing some investigative work on this. I actually
wanted to look into this issue tonight but I was out for some hours today
so I didn't have the time.

I will try to perform the manual binNMU now after dinner.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz at debian.org
`. `'   Freie Universitaet Berlin - glaubitz at physik.fu-berlin.de
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