On 5 February 2018 at 08:10, Steve Barnes <gadgetst...@live.co.uk> wrote: > When a new version of python is in alpha/beta it is often desirable to > have it installed for tests but remain on a previous version for day to > day use. > > However, currently the Windows py launcher defaults to the highest > version that it finds, which means that unless you are very careful you > will end up having to explicitly specify your older version every time > that you start python with it once you have installed the newer version. > > I an thinking that it would be relatively simple to expand the current > launcher functionality to allow the user to set the default version to > be used. > > One possible syntax, echoing the way that versions are displayed with > the -0 option would be to allow py -n.m* to set and store, either in the > registry, environment variable or a configuration file, the desired > default to be invoked by py or pyw. > > Personally I thing that this would encourage more people to undertake > testing of new candidate releases of python. > > I would be interested in any feedback on the value that this might add.
There's a `py.ini` file that lets you set the default version. See https://docs.python.org/3.6/using/windows.html#customization for details. Is that just something you weren't aware of, or does it not address the issue you're having? Paul _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
