FWIW, On Aug 21, 2016, at 12:30 AM, Piotr Ożarowski wrote: >* all Python applications that support it, should use 3.X only *now* > (and do not bother with things like alternatives or "-3" suffixes / > "python3-" prefixes - at least for new packages; I'd even slowly start > removing alternatives, if it doesn't affect users), +1 >* libraries in Stretch should support 2.X (i.e. add python-foo binary > packages) if that doesn't require too much additional work (py2dsp > still creates them). I'm OK with shipping 3.X only packages in NEW > packages, though. I'd not encourage people to do so but also not > forbid it, I'd also say that it isn't worth *removing* Python 2.x support right now, unless of course upstream drops it first. >* we shouldn't accept 2.X only packages in Buster (Stretch+1, released ~2019) > unless they're a dependency of other packages, and start shipping 3.X only > packages where it makes sense (and I hope that decision will be mostly made > by upstreams by simply dropping 2.X support). We can drop some 2.X packages > (problematic to maintain? better alternatives available? low popcon?), but > do not do a mass removal yet, +1 >* for Bullseye (Stretch+2, released ~2021) we should start dropping 2.X > packages, and maybe even remove 2.X interpreter, +1 - remember that this will be 10-11 years after 2.7 was released! >* Bullseye + 1 (~2023) is the one without 2.X interpreter and > python-foo packages for sure (and without /usr/bin/python symlink or > at least without Debian packages mentioning it, there should be a rule > to not speak about /usr/bin/python symlink! ;) +1 >Note that Python upstream will stop supporting 2.X in ~2020 so about one >year (and a half?) after releasing Buster. As you point out, upstream will stop supporting Python 2.7 for normal bug fixes in 2020, although I suspect it will be supported in security-fix source-only mode for some years after that. There has not be an official announcement of that IIRC, and PEP 373 doesn't describe that, so it's just my opinion. Cheers, -Barry
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