Here's the link to the ticket for convenience. https://trac.sagemath.org/ticket/29141
On Sunday, February 2, 2020 at 9:15:59 AM UTC-5, Matthias Koeppe wrote: > > I have created #29141 (Meta-ticket: Upgrades and other changes that > require dropping py2 support or separate package versions for py2/py3) to > summarize this thread. > > On Wednesday, January 22, 2020 at 5:22:15 AM UTC-5, E. Madison Bray wrote: >> >> On Fri, Jan 10, 2020 at 1:03 AM Volker Braun <vbrau...@gmail.com> wrote: >> > >> > * I think its not too difficult to write code that is Python 2.7 + 3.x >> (for high enough x) compatible, so its not a super pressing issue >> > * We do have a Python 2 buildbot to test for regressions >> > * For semver reasons we should drop Python 2.7 support in Sage 10, not >> 9.1 >> > >> > Having said that, I'm fine with an accelerated Sage 9 -> Sage 10 >> schedule, maybe a month or two instead of the usual 3-4. Though first we >> should take the opportunity and see if there are any outstanding Python 3 >> bugs now that we have more data. For example it would be nice if a build >> with SAGE_DEBUG=yes would pass tests. There are a few more regressions, >> e.g. #28817 >> >> Since this thread had gone on quite long and it has perhaps gotten >> lost, I would just like to once again endorse Volker's suggestion >> here. We have already put enormous effort (hundreds of hours) into >> making Sage Python 2/3 compatible and making it relatively easy to >> write compatible code (and most new code will not even encounter these >> compatibility issues). >> >> Let us have a short release cycle for 9.1 and add a prominent >> deprecation message in 9.1 for Python 2 builds, then Sage 10.0 can >> implicitly start dropping support for Python 2. If there are some >> patches that are needed (e.g. to support ipython7) they will have to >> be applied eventually anyways so if some niche packing system must >> apply it for Sage 9.1 I see little harm. >> > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/511c3883-b3d7-4650-aa3c-0e9ebb5e0973%40googlegroups.com.
