GNU bug report logs - #46569
python can't find internal pip modules in environment from manifest

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From: Jelle Licht <jlicht <at> fsfe.org>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 46569 <at> debbugs.gnu.org
Subject: bug#46569: python can't find internal pip modules in environment from manifest
Date: Thu, 18 Feb 2021 20:45:54 +0100

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:

> Hi Jelle,
>
> Jelle Licht <jlicht <at> fsfe.org> writes:
>
>> Python can not load all pip-related python modules when loaded from a
>> manifest file, yet seems to work fine when loaded 'directly' as part of
>> a `guix environment'-invocation.
>>
>>
>> Provided that we have a file in `hi.py':
>>
>> import pip
>> print("halfwaypoint")
>> import pip._internal.index.package_finder
>> print("I made it!")
>>
>>
>> and a `manifest.scm' with:
>>
>> (use-modules (gnu) (guix packages)
>> 	     (gnu packages python)
>> 	     (gnu packages python-xyz))
>>
>> (packages->manifest (list python python-pip))
>>
>>
>> I can get the expected output by running:
>> `guix environment --pure --ad-hoc python python-pip -- python3 hi.py' =>
>>> halfwaypoint
>>> I made it!
>
> It seems that two pip versions don't cohabit very well.  The same
> happens if you install pip via 'pip install --user pip' (e.g., to
> ~/.local/bin) and try to use it.
>
> You could try using the pip version that comes bundled with Python
> itself (e.g, not installing python-pip in the same profile); if it's the
> only one, it should work.

It doesn't, though, with the exact same error message as above.

Does my example (hi.py) work for you?

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