Re: Conda create with python version fails me

Den 2025-11-14 skrev Stefan Ram <[email protected]>:
> Martin =?UTF-8?Q?Sch=C3=B6=C3=B6n?= <[email protected]> wrote or quoted:
>>If I try to specify a python version I don't get a new environment. The
>>error message I get is:
>>"The following packages are missing from the target environment:
>>   - python=3.10"
>> (if I asked for version 3.10)
>
>   I'm not educated in Conda. But here are some wild and untested
>   guesses what could be done:
>
Your conda know-how is most likely superior to mine :-)

> conda search python
>
>   This might list the Python versions available.
>
Yields an error message very similar to the one cited above.

>   If the desired version does not appear, adding a channel known
>   to host older versions might help, like:
>
> conda create -n test python=3.10 -c conda-forge

Bingo! This works for me.
>
>    . It might help to update Conda:
>
> conda update conda
>
Was already up-to-date.

Didn't bother testing the following. Later maybe.

>   . This should clear the Conda cache, but I don't know what you might
>   lose by doing it:
>
> conda clean --all
>
>   . Check out your conda base and user PATH variables, and prioritize
>   Conda environments over system-wide Python installations. 
>
>   Check your system's networking/firewall configuration doesn't block
>   Conda's access to remote repositories.
>
>   You could also try to require a more specific version you have,
>   like for example, "python=3.10.4", instead of, "python=3.10".
>
Many thanks.

/Martin