GNU bug report logs - #50105
[core-updates] Python sitecustomize issue.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#50105: closed ([core-updates] Python sitecustomize issue.)
Date: Sat, 04 Dec 2021 03:09:02 +0000

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Your message dated Fri, 03 Dec 2021 22:08:15 -0500
with message-id <87wnkl9ie8.fsf <at> gmail.com>
and subject line Re: bug#50105: [core-updates] Python sitecustomize issue.
has caused the debbugs.gnu.org bug report #50105,
regarding [core-updates] Python sitecustomize issue.
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Mathieu Othacehe <othacehe <at> gnu.org>
To: bug-guix <at> gnu.org
Cc: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Subject: [core-updates] Python sitecustomize issue.
Date: Wed, 18 Aug 2021 11:53:07 +0200

Hello,

I tried to upgrade glade to the 3.38.2 release on core-update and
encountered the following test issue:

--8<---------------cut here---------------start------------->8---
2/5 modules               FAIL            0.29s   killed by signal 5 SIGTRAP
>>> GLADE_MODULE_SEARCH_PATH=/home/mathieu/glade-3.38.2/build/plugins/gtk+:/home/mathieu/glade-3.38.2/build/plugins/python:/home/mathieu/glade-3.38.2/build/plugins/gjs:/home/mathieu/glade-3.38.2/tests/modules MALLOC_PERTURB_=195 GLADE_TESTING=1 GLADE_CATALOG_SEARCH_PATH=/home/mathieu/glade-3.38.2/plugins/gtk+:/home/mathieu/glade-3.38.2/plugins/python:/home/mathieu/glade-3.38.2/plugins/gjs:/home/mathieu/glade-3.38.2/tests/catalogs GLADE_PIXMAP_DIR=/home/mathieu/glade-3.38.2/data/icons GLADE_ICON_THEME_PATH=/home/mathieu/glade-3.38.2/plugins/gtk+/icons/22x22 /home/mathieu/glade-3.38.2/build/tests/modules
―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― ✀  ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
stdout:
# random seed: R02Sd222538bc9b76b6e424ec0cb17ee887c
# GLib-GIO-DEBUG: _g_io_module_get_default: Found default implementation local (GLocalVfs) for ?gio-vfs?
Bail out! GladeUI-PYTHON-FATAL-WARNING: Error initializing Python interpreter: could not import pygobject
stderr:
Error in sitecustomize; set PYTHONVERBOSE for traceback:
ValueError: '/home/mathieu/glade-3.38.2/build/lib/python3.9/site-packages' is not in list

(/home/mathieu/glade-3.38.2/build/tests/modules:4898): GladeUI-PYTHON-WARNING **: 09:43:58.605: Error initializing Python interpreter: could not import pygobject
--8<---------------cut here---------------end--------------->8---

I think the issue here lies in the sitecustomize.py file introduced with
cb72f9a773e0931ee3758c851d96007ded034e4c.

--8<---------------cut here---------------start------------->8---
python_root = os.path.realpath(sys.executable).split('/bin/')[0]
--8<---------------cut here---------------end--------------->8---

When using the Python C library, sys.executable is not the expected
python binary but the test binary.

So when we try to find the associated libraries in the Python search
path, this way:

--8<---------------cut here---------------start------------->8---
index = sys_path_absolute.index(python_site)
sys.path = sys.path[:index] + matching_sites + sys.path[index:]
--8<---------------cut here---------------end--------------->8---

we get:

--8<---------------cut here---------------start------------->8---
ValueError: '/home/mathieu/glade-3.38.2/build/lib/python3.9/site-packages' is not in list
--8<---------------cut here---------------end--------------->8---

Running the test with the PYTHONPATH set to:

--8<---------------cut here---------------start------------->8---
PYTHONPATH=/home/mathieu/glade-3.38.2/build/lib/python3.9/site-packages:$PYTHONPATH 
--8<---------------cut here---------------end--------------->8---

is a way to work around this issue.

The fix here would be to replace sys.executable in the sitecustomize.py
with something more adequate, but I have no idea what could it be.

Thanks,

Mathieu

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Mathieu Othacehe <othacehe <at> gnu.org>
Cc: 50105-done <at> debbugs.gnu.org
Subject: Re: bug#50105: [core-updates] Python sitecustomize issue.
Date: Fri, 03 Dec 2021 22:08:15 -0500

Hello,

Mathieu Othacehe <othacehe <at> gnu.org> writes:

> Hello Maxim,
>
>> OK, nevermind, I found that the test case was deleting the 'fix-tests'
>> build phase from glade3, and building the package.  I confirm the fix
>> works!
>
> Great, that's exactly what I was trying to test but you beat me to it
> :). I'll be afk for a month so I won't be able to confirm that I have
> the same result locally. However, this fix looks good to me.

I had forgotten to close this.  The fix has been in core-updates-frozen
for a while.

Thank you,

Maxim

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