[arch-general] An archlinux-python package for managing system default python version?

[Chi Hsuan Yen]

On 23 January 2015 at 22:07, Martti Kühne <mysatyre at gmail.com> wrote:

> On Fri, Jan 23, 2015 at 2:51 PM, Chi Hsuan Yen <yan12125 at gmail.com> wrote:
> > Dear Arch enthusiasts,
> >
> > The package extra/java-runtime-common provides a convenient script
> > archlinux-java to handle co-existing JDK/JRE versions. I can use it to
> > switch between different versions of java implementations to accomplish
> > numerous tasks from testing the compatibilities of my programs to running
> > third party applications targeting on different platforms. Now I hope
> > there's also a simple script for the same thing but for python. On the
>
>
> Python actively encourages you to write the python shebang explicitly
> either #!/usr/bin/env python2 or #!/usr/bin/env python3 for scripts
> that are not compatible with one of them. It is no longer practical to
> make any assumptions about the python version in the (unversioned)
> python binary, therefore your argument about java doesn't hold. Since
> the developers themselves support this conclusion [0], there is no
> reason to still have the symlink and hence we should actually abolish
> it completely, which I expect to happen in the long run.
>
> [0] https://www.python.org/dev/peps/pep-0394/
>

Alright. Thanks a lot for the information!