[GRASS-user] grass-user Digest, Vol 224, Issue 1

Tue Dec 17 15:51:53 PST 2024

Thanks Gregory. Currently, our issue is making sure that relevant Python packages are accessible within an operating GRASS environment, which is distinct from a general Windows environment.

Michael
_____________________________

C. Michael Barton
Associate Director, School of Complex Adaptive Systems (https://scas.asu.edu<https://scas.asu.edu/>)
Professor, School of Human Evolution & Social Change (https://shesc.asu.edu)
Director, Center for Social Dynamics & Complexity (https://complexity.asu.edu)
Arizona State University
Tempe, AZ 85287-2701
USA

Executive Director, Open Modeling Foundation (https://openmodelingfoundation.github.io<https://openmodelingfoundation.github.io/>)
Director, Network for Computational Modeling in Social & Ecological Sciences (https://comses.net)

personal website: http://www.public.asu.edu/~cmbarton

On Dec 17, 2024, at 4:34 PM, Gregory Power <gregorywpower at gmail.com> wrote:

Disregard the previous, it appears the grass conda-forge feedstock isn't alive. Let me do some digging and get back to you.

On Tue, Dec 17, 2024 at 5:53 PM Gregory Power <gregorywpower at gmail.com<mailto:gregorywpower at gmail.com>> wrote:
Hey Michael & Vanessa,

Wrangling Python packages can be a bit tricky. Especially if you're dealing with virtual environments. Installing packages through pip could cause your dependencies to conflict between projects. That being said, Anaconda's conda does have its own pitfalls, especially if you're part of an organization larger than 200 people that uses Anaconda's channels (the conda-forge channel is exempt from this since it is community run).

Vanessa will have to create a python environment through conda or pixi and add grass/scikit-learn to the same environment. I'd recommend pixi instead of having to reconfigure conda to point to new channels. If you're only able to work with conda, I'd recommend creating a new environment and putting both of those dependencies into their own project.

Here's the instructions from the osgeo-forge grass-feedstock<https://urldefense.com/v3/__https://github.com/osgeo-forge/grass-feedstock?tab=readme-ov-file*installing-grass__;Iw!!IKRxdwAv5BmarQ!fPTPojW_eS4QXMXciuXW1DHCkwgihAaLHf8l0acQRX8bPj-pg5L-iMPSabCAaxVjFAy1_Rkinn5YW-NVRjj_0lQJnS64jQ$>.

 `conda config --add channels conda-forge`

If you want to install both packages into your 'base' environment on Anaconda. But I highly recommend you at least create a new environment<https://urldefense.com/v3/__https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html__;!!IKRxdwAv5BmarQ!fPTPojW_eS4QXMXciuXW1DHCkwgihAaLHf8l0acQRX8bPj-pg5L-iMPSabCAaxVjFAy1_Rkinn5YW-NVRjj_0lQcJ3lB9g$> and install your packages there.

`conda install grass scikit-learn`

With pixi<https://urldefense.com/v3/__https://pixi.sh/latest/__;!!IKRxdwAv5BmarQ!fPTPojW_eS4QXMXciuXW1DHCkwgihAaLHf8l0acQRX8bPj-pg5L-iMPSabCAaxVjFAy1_Rkinn5YW-NVRjj_0lRNjs-k4A$>:

pixi init <name of project>
cd <name-of-directory>
pixi add python grass scikit-learn
pixi shell

Thank you,
Gregory

On Tue, Dec 17, 2024 at 3:01 PM <grass-user-request at lists.osgeo.org<mailto:grass-user-request at lists.osgeo.org>> wrote:
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Today's Topics:

   1. Python in GRASS on Windows (Michael Barton)

----------------------------------------------------------------------

Message: 1
Date: Tue, 17 Dec 2024 16:53:04 +0000
From: Michael Barton <Michael.Barton at asu.edu<mailto:Michael.Barton at asu.edu>>
To: GRASS users <grass-user at lists.osgeo.org<mailto:grass-user at lists.osgeo.org>>, GRASS developers
        <grass-dev at discourse.osgeo.org<mailto:grass-dev at discourse.osgeo.org>>
Cc: Vanessa Extrem <Vanessa.Extrem at uv.es<mailto:Vanessa.Extrem at uv.es>>
Subject: [GRASS-user] Python in GRASS on Windows
Message-ID: <12319197-5F56-4841-AC64-1F9FB946BBB5 at asu.edu<mailto:12319197-5F56-4841-AC64-1F9FB946BBB5 at asu.edu>>
Content-Type: text/plain; charset="us-ascii"

I have a student who is interested in using some of the modeling tools available in GRASS extensions. These require some Python tools (e.g., scikit-learn) to be installed in her GRASS environments.

For me (on a Mac), I can just  pip install -U scikit-learn from the GRASS terminal.  But when she does this, the Windows terminal can't find pip. This seems to be just a path problem but I don't know how to troubleshoot it on Windows. She has installed Python via Anaconda and can use Python in GRASS via the Python console, but this does not seem to help in this case (conda can't be found from the GRASS Windows terminal). Can someone point us to a guide of how to install Python packages into the GRASS environment on Windows and/or adjust the path so that the Windows terminal can access Python utilities?

Thanks
Michael
_____________________________

C. Michael Barton
Associate Director, School of Complex Adaptive Systems (https://scas.asu.edu<https://scas.asu.edu/><https://scas.asu.edu/>)
Professor, School of Human Evolution & Social Change (https://shesc.asu.edu<https://shesc.asu.edu/>)
Director, Center for Social Dynamics & Complexity (https://complexity.asu.edu<https://complexity.asu.edu/>)
Arizona State University
Tempe, AZ 85287-2701
USA

Executive Director, Open Modeling Foundation (https://openmodelingfoundation.github.io<https://urldefense.com/v3/__https://openmodelingfoundation.github.io__;!!IKRxdwAv5BmarQ!fPTPojW_eS4QXMXciuXW1DHCkwgihAaLHf8l0acQRX8bPj-pg5L-iMPSabCAaxVjFAy1_Rkinn5YW-NVRjj_0lQZmEit-g$><https://openmodelingfoundation.github.io/<https://urldefense.com/v3/__https://openmodelingfoundation.github.io/__;!!IKRxdwAv5BmarQ!fPTPojW_eS4QXMXciuXW1DHCkwgihAaLHf8l0acQRX8bPj-pg5L-iMPSabCAaxVjFAy1_Rkinn5YW-NVRjj_0lTlvQvdZA$>>)
Director, Network for Computational Modeling in Social & Ecological Sciences (https://comses.net<https://urldefense.com/v3/__https://comses.net__;!!IKRxdwAv5BmarQ!fPTPojW_eS4QXMXciuXW1DHCkwgihAaLHf8l0acQRX8bPj-pg5L-iMPSabCAaxVjFAy1_Rkinn5YW-NVRjj_0lR81gY7eA$>)

personal website: http://www.public.asu.edu/~cmbarton

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