On Wednesday, May 27, 2020 at 3:58:28 PM UTC-7, Matthias Koeppe wrote: > > On Wednesday, May 27, 2020 at 1:08:18 PM UTC-7, Volker Braun wrote: >> >> Which python versions do we want to be compatible with now? >> > > one needs to distinguish > > A. sage-system-python > (see build/bin/sage-system-python and build/tox.ini) > This is a minimal build requirement. All Python versions (2.x, 3.x) listed > in build/tox.ini are supposed to be supported, though I am not sure if some > of the oldest ones have seen much testing. > > B. the python3 accepted by python3/spkg-configure.m4 for using for venv. > > There is nothing wrong with an spkg that declares python3 as a build > dependency and then uses sage-python23 (or just "python3" now...) at build > time. This is, after all, the same python that we use for "pip install". > > To add on to this, I have also clarified the description of ticket https://trac.sagemath.org/ticket/29669 (Remove Python 2 support from the build system and CI scripts) that it does NOT affect sage-system-python at all.
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