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Re: Setting up a python environment
From: |
Roy Lemmon |
Subject: |
Re: Setting up a python environment |
Date: |
Mon, 11 May 2020 16:01:39 +0100 |
Hi Simon,
That is very helpful indeed thanks. I will work through that.
Cheers
Roy.
On Mon, 11 May 2020, 15:51 zimoun, <address@hidden> wrote:
> Hi Roy,
>
> On Mon, 11 May 2020 at 14:49, Roy Lemmon <address@hidden> wrote:
>
> > I would like to ask about the general philosophy of setting up a python
> > environment under guix.
>
> Well, let me describe my workflow -- and I do not know if it the correct
> one.
>
> I use 'manifest', 'profile' and "guix environment". For each project
> I am working on, I have dedicated folder containing the code, doc and
> other files useful for the very project. In this folder, I add a
> manifest file [1] tracking the tools that the project needs. From
> this manifest, I instantiate a profile in the project folder. And I
> track the channel too to be able to reproduce elsewhere and elsetime.
> Time to time, I spawn an environment with the manifest to do some
> checks. Well, basically, the CLI looks like:
>
> cd /path/to/project
> edit manifest.scm
> guix package -m manifest.scm -p profile
> guix describe -f channels > channels.scm
> git add manifest.scm channels.scm
> git commit -am
>
> eval $(guix package --search-paths=prefix -p profile)
> ipython
>
> guix environment -m manifest --ad-hoc python-other-tools
>
> guix time-machine -C channels.scm -- environment -m manifest.scm
>
>
> Last, when a package is missing, I use "guix import pypi -r name". If
> the package is correctly packaged on the PyPI side, it is almost done.
> ;-)
> To be concrete, again in the project folder:
>
> guix import pypi -r astropy > pkgs.scm
> edit pkgs.scm # add define-module etc.
> guix show -L . python-astropy
> edit pkgs.scm # add missing import
> guix show -L . python-astropy # works!
>
> guix build -L . python-astropy
>
> Well, and then the "hard" packaging job starts. :-)
> Find attached 'pkgs.scm' still failing to build but maybe a starting point.
>
>
> Hope that helps,
> simon
>