[Python-ideas] pep 397

[Chris Angelico]

On Wed, Dec 31, 2014 at 7:31 AM, Liam Marsh <liam.marsh.home at gmail.com> wrote:
> the pep 397 says that any python script is able to choose the language
> version which will run it, between all  the versions installed on the
> computer, using on windows a launcher in the "C:\windows" folder.
>
> can the idle version be chosen like this too, or can the idle "run" command
> do it?

I don't know of a way off-hand. However, if the information is already
there in the shebang (as per PEP 397), it ought to be possible to rig
up a launcher/chooser script. This might be something to discuss on
python-list at python.org, rather than here; there are a lot more people
on python-list than there are here on -ideas, and I suspect you don't
need any changes to the language to make this work.

It's also entirely possible that someone there already knows exactly
what you need to do!

ChrisA