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Re: Python 2 and Python 3 ?

From: zimoun
Subject: Re: Python 2 and Python 3 ?
Date: Fri, 23 Feb 2018 19:26:44 +0100


Thank you for the explanations.

All the best,

On 23 February 2018 at 18:36, Leo Famulari <address@hidden> wrote:
> On Fri, Feb 23, 2018 at 06:27:30PM +0100, zimoun wrote:
>> I am asking if this behaviour is expected or if I miss something.
>> The command:
>>  guix package -i python
>> installs the python3 version and there is no python in .guix-profile/bin/.
>> And in another profile `guix package -i address@hidden' installs the python2
>> and there is python in profile/bin/.
>> To me, it is counter-intuitive. What is the reason ?
>> And there is not any, since python 2 is dying, I suggest that python
>> points to python3 and not python2.
> The recommendation by the CPython team, expressed in their build
> scripts, is to install Python 3 as `python3`, and we try to follow
> upstream as closely as we can. I'd guess their reason is long-term
> compatibility with existing Python software that assumes `python` is
> Python 2.
> We offer Python 3 as `python` in the special package python-wrapper.
> In general, Guix does default to Python 3. If you want to use Python 2
> in a package or profile, you have to specify it. Otherwise, using the
> package named 'python' will give you Python 3. If there are several
> versions of a Guix package with the same name, Guix uses the latest
> version by default.

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