pip/pip3 confusion and keeping up to date
Mats Wichmann
mats at wichmann.us
Thu Nov 2 18:07:33 EDT 2023
On 11/2/23 04:58, Chris Green via Python-list wrote:
> I have a couple of systems which used to have python2 as well as
> python3 but as Ubuntu and Debian verions have moved on they have
> finally eliminated all dependencies on python2.
>
> So they now have only python3 and there is no python executable in
> PATH.
FWIW, for this you install the little stub package python-is-python3.
Especially if you want to keep a python2 installation around - "python"
will still be python3 in this case.
> So, going on from this, how do I do the equivalent of "apt update; apt
> upgrade" for my globally installed pip packages
Odds are you don't want to. The internet is full of surprises about
dependency problems when stuff is blindly updated; the set of Python
packages in the apt repositories is carefully curated to avoid these
problems - and this is part of the reason why sometimes certain such
packages are irritatingly down-rev.
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