Chris Angelico <ros...@gmail.com> wrote: > On Fri, Aug 21, 2020 at 3:21 AM Chris Green <c...@isbd.net> wrote: > > It's actually more subtle and complicated than the OS changing or not > > changing the default Python version. There are quite a lot of > > questions about exactly this on the Ubuntu lists. All the OS python > > code in Ubuntu 20.04 is now Python 3 but there are some other things > > which I have installed (such as Mercurial) which still depend on > > Python 2. One can see what is affected by doing:- > > > > $ sudo apt remove python2 --simulate > > > > This shows a mixture of old (and no longer needed) libraries that > > would go with Python 2 but it also shows some things like Mercurial > > that I need. > > That seems odd. According to packages.ubuntu.com, Focal (20.04) is > shipping Mercurial 5.3.1, and since version 5.2, Mercurial has > supported Python 2.7 or 3.5+. However, it seems that the dependencies > for the mercurial package specify python2 and no reference to python3. > > https://packages.ubuntu.com/focal/mercurial > > Fortunately, the *next* release of Ubuntu fixes this: > > https://packages.ubuntu.com/groovy/mercurial > > It depends on Python 3.8 instead. No idea why the 20.04 release insists on > 2.7. > OK, so that's one less thing needing Python 2, next release. :-)
-- Chris Green ยท -- https://mail.python.org/mailman/listinfo/python-list
