bug#52269: [core-updates-frozen] sitecustomize.py does not honor .pth files

[Maxim Cournoyer <maxim.cournoyer@gmail.com>]

Hi Ludovic,

Ludovic Courtès <ludo@gnu.org> writes:

> Hello Maxim,
>
> Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
>
>>>From 762357609270ab016236d22999ae5cfc3fe4ff28 Mon Sep 17 00:00:00 2001
>> From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
>> Date: Fri, 3 Dec 2021 22:36:26 -0500
>> Subject: [PATCH] sitecustomize.py: Honor .pth files.
>>
>> Fixes <https://issues.guix.gnu.org/52269>.
>>
>> * gnu/packages/aux-files/python/sitecustomize.py: Use site.addsitedirs to add
>> the site directories; this takes care of the .pth files.  Make sure the added
>> items still appear before Python's own 'site-packages' directory.
>
> I had completely overlooked this patch.
>
> Lars had useful comments about it.
>
> Do we need to address this before we merge ‘core-updates-frozen’ into
> ‘master’?

The only reason I'm on the fence about it is that it causes a big
rebuild.  But rebuilding aside, I believe it'd be nice to have it in.
I've only spotted one package affected so far (python-pdbpp), but there
may be others.

> If so, what changes need to be made to the patch before it can be
> applied?

I'll try having a look today.

Thanks,

Maxim