On Tue, Jan 21, 2020 at 5:19 PM Timo Kaufmann <eisfre...@gmail.com> wrote: > > > > Am Freitag, 17. Januar 2020 16:07:08 UTC+1 schrieb E. Madison Bray: >> >> On Wed, Jan 15, 2020 at 2:37 AM Matthias Koeppe >> <matthia...@gmail.com> wrote: >> > >> > On Tuesday, January 14, 2020 at 12:01:42 PM UTC-5, Frédéric Chapoton wrote: >> >> >> >> So here is my proposal. >> >> >> >> * Starting from now, we allow ourselves to move on, using 9.1 betas and >> >> further releases for external python3 updates, including switch to >> >> ipython7, which seems to me the most urgent matter. But we also do not >> >> introduce python3-only code in our own code base if we can avoid it. >> >> I'm not exactly sure what you mean by this, but it might be agreeable >> to me: I'm completely okay with adding Python 3 only dependencies and >> even *code/features* so long as it's done without breaking >> backwards-compatibility. When it comes to sage-the-distribution >> (which I sense is where most of this friction is coming from, and yet >> another reason to better separate sage from the >> sage-the-distribution), if there are dependencies you want to update >> that are Python 3-only I'd say go for it, but make it a separate SPKG >> so that previous versions of the dependency can still work on Python 2 >> builds. > > > As others have said already, supporting both python2 and python3 dependencies > is much more work than only supporting python2 or only supporting python3 > versions.
I don't think it is. I think that maintaining Python 2 support for now (and gradually phasing it out) is the path of least resistance. > I think dropping pyhon2 support with the next release remains the best > option. Even better of course would be to keep the option for bugfix releases > for 8.9 / 9.0. That would be a nice thing to have in general, but we could > also just make an exception for this one release. Yes, that would be better. -- 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/CAOTD34YdA%2B_RioirQLxQ6SZL_weGRBT1BjX96Yshw%2B%3Dk9P4jQw%40mail.gmail.com.
