bug#46028: closed ([PATCH core-updates 0/2] Farewell to PYTHONPATH.)

[GNU bug Tracking System]

Your message dated Mon, 01 Feb 2021 13:35:52 -0500
with message-id <878s87skjb.fsf_-_@gmail.com>
and subject line Re: bug#46028: [PATCH core-updates 0/2] Farewell to PYTHONPATH.
has caused the debbugs.gnu.org bug report #46028,
regarding [PATCH core-updates 0/2] Farewell to PYTHONPATH.
to be marked as done.

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46028: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=46028
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> --- Begin Message ---
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>
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> Subject: 
>
> [PATCH core-updates 0/2] Farewell to PYTHONPATH.
>
>
>
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> Date: 
>
> Thu, 21 Jan 2021 23:48:16 -0500
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>
>
>
> Farewell to PYTHONPATH.
>
> Maxim Cournoyer (2):
>   utils: Add a version-minor procedure.
>   gnu: python: Replace PYTHONPATH by GUIX_PYTHONPATH_X_Y.
>
>  gnu/packages/python.scm | 37 +++++++++++++++++++++++++++++++++----
>  guix/utils.scm          | 15 ++++++++++++---
>  2 files changed, 45 insertions(+), 7 deletions(-)
>
> -- 
> 2.29.2
>
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>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
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> Re: bug#46028: [PATCH core-updates 0/2] Farewell to PYTHONPATH.
>
>
>
>
> Date: 
>
> Mon, 01 Feb 2021 13:35:52 -0500
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>
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> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)
>
>
>
>
> Hello,
>
> Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
>
> > Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
> >
> >> Hi,
> >>
> >> Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
> >>
> >>> Using PYTHONPATH as a mean to discover the Python packages had the following
> >>> issues:
> >>>
> >>>         1. It is not versioned, so different versions of Python would clash 
> >>> if
> >>>         installed in a shared profile.
> >>>
> >>>         2. It would interfere with the host Python site on foreign
> >>>         distributions, sometimes preventing a a user to login their GDM
> >>>         session (!).
> >>>
> >>>         3. It would take precedence over user installed Python packages
> >>>         installed through pip.
> >>>
> >>>         4. It would leak into Python virtualenvs, which are supposed to 
> >>> create
> >>>         isolated Python environments.
> >>
> >> I've adapted the most problematic uses of PYTHONPATH in the code base
> >> (mostly (getenv "PYTHONPATH"), which would typically now return #f and
> >> pushed the branch to cu/farewell-to-pythonpath (it contains ~160
> >> commits, so I thought it'd be easier to review as a branch).
> >
> > There's now a third version of this that I pushed to the
> > cu/farewell-to-pythonpath branch.  It now uses GUIX_PYTHONPATH instead
> > of GUIX_PYTHONPATH_X_Y, which makes it easier to use in any package
> > definition (as there's no longer a need to import the (guix build
> > python-build-system) module for packages not using the Python build
> > system).
> >
> > I'll merge it soon if nobody has an objection.
>
> I've now pushed this to core-updates.
>
> Closing!
>
> Maxim
>
>
> --- End Message ---