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Groups > comp.lang.python > #101650
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| From | Terry Reedy <tjreedy@udel.edu> |
| Newsgroups | comp.lang.python |
| Subject | Re: Stop writing Python 4 incompatible code |
| Date | Wed, 13 Jan 2016 19:53:35 -0500 |
| Lines | 36 |
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On 1/13/2016 7:10 PM, Steven D'Aprano wrote: > On Thu, 14 Jan 2016 03:25 am, Random832 wrote: > >> On Wed, Jan 13, 2016, at 09:21, sjmsoft@gmail.com wrote: >>> This strikes me as very good advice. Thanks for being so far-sighted. >>> And let's hope that Python 4 has fewer incompatibilities (none would >>> good) than Python 3! >> >> Who says there's going to be a Python 4? I always assumed 3.9 would be >> followed by 3.10. > > > Guido has a *very* strong dislike for two digit minor version numbers. It > took a fair amount of arm-twisting to get him to accept two digit micro > version numbers, like 2.7.10. It is doubtful that we'll see 3.10. > > But he has definitely ruled that 4.0 (assuming there is one) will not be a > major backwards-incompatible version like 3.0 was. > > That's not to say that there won't be any backwards incompatibilities at > all, but they will be relatively minor, like the change from 2.5 to 2.6. (I > bet most people don't even know that 2.6 broke backwards-compatibility.) There are a number of deprecations that will not be turned into removals while 2.7 remains on support but which probably will be removed after, and after they have been giving DeprecationWarnings for at least 2 3.x releases. So code that does not have deprecated features will not be affected. This should be after 3.8. If removals happen in a release that would be '3.9', I expect that it would be '4.0' instead. (But there is no definite plan and will not be until the time comes. -- Terry Jan Reedy
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Stop writing Python 4 incompatible code Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-01-13 18:30 +1100
Re: Stop writing Python 4 incompatible code sjmsoft@gmail.com - 2016-01-13 06:21 -0800
Re: Stop writing Python 4 incompatible code Random832 <random832@fastmail.com> - 2016-01-13 11:25 -0500
Re: Stop writing Python 4 incompatible code Steven D'Aprano <steve@pearwood.info> - 2016-01-14 11:10 +1100
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-13 22:40 -0200
Re: Stop writing Python 4 incompatible code Steven D'Aprano <steve@pearwood.info> - 2016-01-14 12:02 +1100
Re: Stop writing Python 4 incompatible code Michael Torrie <torriem@gmail.com> - 2016-01-13 18:24 -0700
Re: Stop writing Python 4 incompatible code Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-01-13 21:39 -0500
Re: Stop writing Python 4 incompatible code Gene Heskett <gheskett@wdtv.com> - 2016-01-13 21:59 -0500
Re: Stop writing Python 4 incompatible code Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-01-14 07:41 -0500
Re: Stop writing Python 4 incompatible code Peter Otten <__peter__@web.de> - 2016-01-14 14:43 +0100
Re: Stop writing Python 4 incompatible code "D'Arcy J.M. Cain" <darcy@VybeNetworks.com> - 2016-01-14 08:47 -0500
Re: Stop writing Python 4 incompatible code Peter Otten <__peter__@web.de> - 2016-01-14 16:32 +0100
Re: Stop writing Python 4 incompatible code "D'Arcy J.M. Cain" <darcy@VybeNetworks.com> - 2016-01-14 10:47 -0500
Re: Stop writing Python 4 incompatible code Peter Otten <__peter__@web.de> - 2016-01-14 17:52 +0100
Re: Stop writing Python 4 incompatible code Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-01-15 16:08 +1300
Re: Stop writing Python 4 incompatible code Chris Angelico <rosuav@gmail.com> - 2016-01-15 15:56 +1100
Re: Stop writing Python 4 incompatible code Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-01-16 10:02 +1300
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-15 09:40 -0200
Re: Stop writing Python 4 incompatible code Robin Koch <robin.koch@t-online.de> - 2016-01-15 19:29 +0100
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-15 16:43 -0200
Re: Stop writing Python 4 incompatible code Terry Reedy <tjreedy@udel.edu> - 2016-01-13 19:53 -0500
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-13 17:02 -0800
Re: Stop writing Python 4 incompatible code Chris Angelico <rosuav@gmail.com> - 2016-01-14 12:29 +1100
Re: Stop writing Python 4 incompatible code Michael Torrie <torriem@gmail.com> - 2016-01-13 19:11 -0700
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-13 18:51 -0800
Re: Stop writing Python 4 incompatible code Chris Angelico <rosuav@gmail.com> - 2016-01-14 14:08 +1100
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-13 19:29 -0800
Re: Stop writing Python 4 incompatible code Michael Torrie <torriem@gmail.com> - 2016-01-13 22:18 -0700
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-14 07:30 -0800
Re: Stop writing Python 4 incompatible code Chris Angelico <rosuav@gmail.com> - 2016-01-15 04:41 +1100
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-14 10:40 -0800
Re: Stop writing Python 4 incompatible code <paul.hermeneutic@gmail.com> - 2016-01-14 13:16 -0700
Re: Stop writing Python 4 incompatible code Steven D'Aprano <steve@pearwood.info> - 2016-01-15 09:04 +1100
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-14 15:16 -0800
Re: Stop writing Python 4 incompatible code Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-01-14 19:16 +1100
Re: Stop writing Python 4 incompatible code wxjmfauth@gmail.com - 2016-01-14 01:37 -0800
Re: Stop writing Python 4 incompatible code Terry Reedy <tjreedy@udel.edu> - 2016-01-14 00:45 -0500
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-14 07:52 -0800
Re: Stop writing Python 4 incompatible code Ian Kelly <ian.g.kelly@gmail.com> - 2016-01-14 15:52 -0700
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-14 15:55 -0800
Re: Stop writing Python 4 incompatible code Emile van Sebille <emile@fenx.com> - 2016-01-15 06:52 -0800
Re: Stop writing Python 4 incompatible code Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-01-16 09:49 +1300
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-15 14:34 -0800
Re: Stop writing Python 4 incompatible code Rick Johnson <rantingrickjohnson@gmail.com> - 2016-01-15 13:45 -0800
Re: Stop writing Python 4 incompatible code William Ray Wing <wrw@mac.com> - 2016-01-15 12:02 -0500
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-15 16:09 -0200
Re: Stop writing Python 4 incompatible code Alister <alister.ware@ntlworld.com> - 2016-01-15 18:46 +0000
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-15 16:55 -0200
Re: Stop writing Python 4 incompatible code Alister <alister.ware@ntlworld.com> - 2016-01-16 14:41 +0000
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-16 12:48 -0200
Re: Stop writing Python 4 incompatible code paul.hermeneutic@gmail.com - 2016-01-16 09:08 -0700
Re: Stop writing Python 4 incompatible code William Ray Wing <wrw@mac.com> - 2016-01-16 13:00 -0500
Re: Stop writing Python 4 incompatible code Michael Torrie <torriem@gmail.com> - 2016-01-16 12:26 -0700
Re: Stop writing Python 4 incompatible code Chris Angelico <rosuav@gmail.com> - 2016-01-17 13:43 +1100
Re: Stop writing Python 4 incompatible code William Ray Wing <wrw@mac.com> - 2016-01-15 13:49 -0500
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-15 16:53 -0200
Re: Stop writing Python 4 incompatible code Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-01-15 20:58 +0000
Re: Stop writing Python 4 incompatible code Christopher Reimer <christopher_reimer@icloud.com> - 2016-01-15 14:09 -0800
Re: Stop writing Python 4 incompatible code Christopher Reimer <christopher_reimer@icloud.com> - 2016-01-16 20:51 -0800
Re: Stop writing Python 4 incompatible code Chris Angelico <rosuav@gmail.com> - 2016-01-14 03:38 +1100
Re: Stop writing Python 4 incompatible code Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-01-14 10:38 +1300
Re: Stop writing Python 4 incompatible code Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-01-13 19:46 -0200
Re: Stop writing Python 4 incompatible code BartC <bc@freeuk.com> - 2016-01-14 01:02 +0000
Re: Stop writing Python 4 incompatible code Chris Angelico <rosuav@gmail.com> - 2016-01-14 12:21 +1100
Re: Stop writing Python 4 incompatible code BartC <bc@freeuk.com> - 2016-01-14 01:49 +0000
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