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Subject: [bug#71672] [PATCH] python: Prefer python3 over python
Resent-From: Collin Funk <collin.funk1@HIDDEN>
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Hi,

Shouldn't AM_PATH_PYTHON check for the python3 command before python?
The full recommendation of how these should be setup is in PEP 394
[1].

On modern systems I don't think it should matter. On Fedora 40:

    $ command -v python
    /usr/bin/python
    $ command -v python3
    /usr/bin/python3
    $ python --version
    Python 3.12.3
    $ python3 --version
    Python 3.12.3

The difference mostly exists on older machines. On CentOS 7.9 for
example:

    $ command -v python
    /usr/bin/python
    $ command -v python3
    /usr/bin/python3
    $ python --version
    Python 2.7.5
    $ python3 --version
    Python 3.6.8

I've attached a proposed path. I don't see a situation where a
python3.* is installed without a python3 link. Therefore checking for
python3 and fallingback on python seems reasonable to me.

Collin

[1] https://peps.python.org/pep-0394/
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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Collin Funk <collin.funk1@HIDDEN>
Subject: bug#71672: Acknowledgement ([PATCH] python: Prefer python3 over
 python)
Message-ID: <handler.71672.B.171887703616631.ack <at> debbugs.gnu.org>
References: <8a243d12-4f25-4912-aa1f-b6f8c3ff4d2d@HIDDEN>
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Date: Thu, 20 Jun 2024 09:51:02 +0000

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