GNU bug report logs - #30229
Python modules installed by pip in virtualenv can't find shared objects.

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Message #22 received at 30229-done <at> debbugs.gnu.org (full text, mbox):

From: zimoun <zimon.toutoune <at> gmail.com>
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: Fis Trivial <ybbs.daans <at> hotmail.com>, 30229-done <at> debbugs.gnu.org
Subject: Re: bug#30229: Python modules installed by pip in virtualenv can't
 find shared objects.
Date: Thu, 13 Jan 2022 15:59:42 +0100

Hi,

On Thu, 25 Nov 2021 at 00:39, zimoun <zimon.toutoune <at> gmail.com> wrote:
> On Tue, 23 Jan 2018 at 13:00, Ricardo Wurmus <rekado <at> elephly.net> wrote:
>
>>> When a python module needs to load a dynamic shared object, it looks in the
>>> path provided by *LD_LIBRARY_PATH*(1), but guix doesn't modify this
>>> environment
>>> variable to export the needed path for python.
>>
>> We cannot set this environment variable by default lest we break other
>> packages that may be installed.  LD_LIBRARY_PATH is dangerous as it
>> tells the runtime linker to prefer libraries in the specified
>> directories.
>>
>> For Guix packages we use different means to embed store paths in
>> binaries, which are looked up at runtime.  For binaries that’s achieved
>> with RUNPATH; for others we patch the sources to ensure that libraries
>> are not looked up merely by name but by absolute path.
>>
>> In your particular case (installing packages without Guix) I think the
>> best way is to manually set LD_LIBRARY_PATH on demand, or to set
>> LD_PRELOAD to the specific libraries that are required.
>>
>> In general, though, I recommend using Guix for package management and
>> development instead of virtualenv and pip.
>
> Regarding the improvements of ’guix import pypi’ since 2018, and because
> tweaking LD_LIBRARY_PATH is dangerous, I do not see what could be the
> next action to solve this.
>
> Therefore, I propose to close it.  WDYT?

After 7 weeks of delay, I am closing.


Cheers,
simon

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