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Re: the Gravity of Python 2

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To python-list@python.org
From Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject Re: the Gravity of Python 2
Date Wed, 08 Jan 2014 14:08:10 +0000
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On 08/01/2014 13:01, Steven D'Aprano wrote:
> Martijn Faassen wrote:
>
>> I also argue that for those projects to move anywhere, they need a
>> clear, blessed, official, as simple as possible, incremental upgrade
>> path. That's why I argue for a Python 2.8.
>
> That incremental upgrade path is Python 2.7.
>
> Remember, when Python 3 first came out, the current version of Python was
> 2.5. 2.6 came out roughly simultaneously with Python 3. So the expected
> upgrade path is:
>
>
> "Bleeding edge" adaptors:
> 2.5 -> 3.0
>
> Early adaptors:
> 2.5 -> 2.6 -> 3.1 or 3.2
>
> Slower adaptors:
> 2.5 -> 2.6 -> 2.7 -> 3.3 or 3.4
>
> Late adaptors:
> 2.5 -> 2.6 -> 2.7 -> 3.5 (expected to be about 18-24 months)
>
> Laggards who wait until support for 2.7 is dropped:
> 2.5 -> 2.6 -> 2.7 -> 3.6 or 3.7
>
> Adding 2.8 doesn't help. It just gives people another excuse to delay
> migrating. Then, in another two or three years, they'll demand 2.9, and put
> it off again. Then they'll insist that 15 years wasn't long enough to
> migrate their code, and demand 2.10.
>
> I have no objection to people delaying migrating. There were lots of risks
> and difficulties in migrating to 3.1 or 3.2, there are fewer risks and
> difficulties in migrating to 3.3 and 3.4, and there will be even fewer by
> the time 3.5 and 3.6 come out. People should migrate when they are
> comfortable. They may even decide to stick to 2.7 for as long as they can
> find a computer capable of running it, security updates or no security
> updates. That's all fine.
>
> What's not fine though is people holding the rest of us back with their
> negativity and FUD that Python 3 is a mistake.
>
>

Big +1 from me to all the above.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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Thread

Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-07 11:19 +1100
  Re: the Gravity of Python 2 Martijn Faassen <faassen@startifact.com> - 2014-01-07 13:54 +0100
    Re: the Gravity of Python 2 Martijn Faassen <faassen@startifact.com> - 2014-01-07 17:07 +0100
      Re: the Gravity of Python 2 Martijn Faassen <faassen@startifact.com> - 2014-01-07 17:42 +0100
        Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-08 04:00 +1100
          Re: the Gravity of Python 2 Martijn Faassen <faassen@startifact.com> - 2014-01-08 13:36 +0100
            Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-08 23:46 +1100
              Re: the Gravity of Python 2 Martijn Faassen <faassen@startifact.com> - 2014-01-08 16:08 +0100
            Re: the Gravity of Python 2 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-09 00:01 +1100
              Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-08 14:08 +0000
              Re: the Gravity of Python 2 Martijn Faassen <faassen@startifact.com> - 2014-01-08 16:22 +0100
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 02:39 +1100
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-08 15:50 +0000
                Re: the Gravity of Python 2 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-09 08:55 +1100
            Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-08 09:15 -0500
              Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-08 14:30 +0000
                Re: the Gravity of Python 2 Martijn Faassen <faassen@startifact.com> - 2014-01-08 16:26 +0100
                Re: the Gravity of Python 2 Kevin Walzer <kw@codebykevin.com> - 2014-01-08 18:42 -0500
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-08 20:27 -0500
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 12:47 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-08 21:25 -0500
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 14:17 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-08 22:35 -0500
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 15:03 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-08 23:29 -0500
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 15:34 +1100
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 15:38 +1100
                Re: the Gravity of Python 2 Ethan Furman <ethan@stoneleaf.us> - 2014-01-08 21:31 -0800
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 17:34 +1100
                Re: the Gravity of Python 2 Ben Finney <ben+python@benfinney.id.au> - 2014-01-09 17:57 +1100
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 18:56 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-09 09:14 -0500
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-10 01:57 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-09 08:21 -0800
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 16:30 +0000
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-09 09:07 -0800
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 18:20 +0000
                Re: the Gravity of Python 2 Ethan Furman <ethan@stoneleaf.us> - 2014-01-09 10:29 -0800
                Re: the Gravity of Python 2 Tim Golden <mail@timgolden.me.uk> - 2014-01-09 16:41 +0000
                RE: the Gravity of Python 2 Nick Cash <nick.cash@npcinternational.com> - 2014-01-09 16:42 +0000
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 16:50 +0000
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-10 07:35 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-09 12:54 -0800
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-10 08:12 +1100
                Re: the Gravity of Python 2 Dan Sommers <dan@tombstonezero.net> - 2014-01-09 15:01 +0000
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-10 02:17 +1100
                Re: the Gravity of Python 2 Ethan Furman <ethan@stoneleaf.us> - 2014-01-09 07:56 -0800
                Re: the Gravity of Python 2 Kushal Kumaran <kushal.kumaran@gmail.com> - 2014-01-09 11:36 +0530
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 08:53 +0000
                Re: the Gravity of Python 2 Ben Finney <ben+python@benfinney.id.au> - 2014-01-09 20:03 +1100
                Re: the Gravity of Python 2 Kushal Kumaran <kushal.kumaran@gmail.com> - 2014-01-09 14:51 +0530
                Re: the Gravity of Python 2 Piet van Oostrum <piet@vanoostrum.org> - 2014-01-09 12:26 +0100
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 09:51 +0000
                Re: the Gravity of Python 2 Ben Finney <ben+python@benfinney.id.au> - 2014-01-10 00:35 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-09 09:32 -0500
                Re: the Gravity of Python 2 Ben Finney <ben+python@benfinney.id.au> - 2014-01-09 14:34 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-08 22:44 -0500
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 14:42 +1100
                Re: the Gravity of Python 2 Piet van Oostrum <piet@vanoostrum.org> - 2014-01-09 15:06 +0100
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-10 01:34 +1100
                Re: the Gravity of Python 2 Roy Smith <roy@panix.com> - 2014-01-09 09:44 -0500
                Re: the Gravity of Python 2 Piet van Oostrum <piet@vanoostrum.org> - 2014-01-09 17:51 +0100
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-10 07:43 +1100
                Time zones and why they change so damned often (was: the Gravity of Python 2) Ben Finney <ben+python@benfinney.id.au> - 2014-01-09 14:54 +1100
                Re: Time zones and why they change so damned often (was: the Gravity of Python 2) Chris Angelico <rosuav@gmail.com> - 2014-01-09 15:14 +1100
                Re: Time zones and why they change so damned often (was: the Gravity of Python 2) Peter Pearson <ppearson@nowhere.invalid> - 2014-01-10 18:22 +0000
                Re: Time zones and why they change so damned often MRAB <python@mrabarnett.plus.com> - 2014-01-10 18:48 +0000
                Re: Time zones and why they change so damned often Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-10 18:53 +0000
                Re: Time zones and why they change so damned often Grant Edwards <invalid@invalid.invalid> - 2014-01-10 19:55 +0000
                Re: Time zones and why they change so damned often Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-01-10 19:45 -0500
                Re: Time zones and why they change so damned often Gene Heskett <gheskett@wdtv.com> - 2014-01-10 21:53 -0500
                Re: Time zones and why they change so damned often (was: the Gravity of Python 2) Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-01-10 19:43 -0500
                Re: Time zones and why they change so damned often (was: the Gravity of Python 2) Roy Smith <roy@panix.com> - 2014-01-10 19:49 -0500
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 07:10 +0000
                Re: Time zones and why they change so damned often Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 07:17 +0000
                Re: Time zones and why they change so damned often Alister <alister.ware@ntlworld.com> - 2014-01-09 12:07 +0000
                Re: Time zones and why they change so damned often Bob Martin <bob.martin@excite.com> - 2014-01-10 07:31 +0000
                Re: Time zones and why they change so damned often Alister <alister.ware@ntlworld.com> - 2014-01-10 09:04 +0000
                Re: Time zones and why they change so damned often Bob Martin <bob.martin@excite.com> - 2014-01-11 07:52 +0000
                Re: Time zones and why they change so damned often Alister <alister.ware@ntlworld.com> - 2014-01-11 11:10 +0000
                Re: Time zones and why they change so damned often Alister <alister.ware@ntlworld.com> - 2014-01-11 11:14 +0000
                Re: Time zones and why they change so damned often Alister <alister.ware@ntlworld.com> - 2014-01-11 11:14 +0000
                Re: Time zones and why they change so damned often (was: the Gravity
 of Python 2) Dave Angel <davea@davea.name> - 2014-01-09 10:34 -0500
                Re: the Gravity of Python 2 Ethan Furman <ethan@stoneleaf.us> - 2014-01-08 17:52 -0800
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 13:09 +1100
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 08:42 +0000
                Re: the Gravity of Python 2 Ethan Furman <ethan@stoneleaf.us> - 2014-01-09 08:01 -0800
                Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-09 18:18 +0000
                Re: the Gravity of Python 2 Ethan Furman <ethan@stoneleaf.us> - 2014-01-09 10:33 -0800
              Re: the Gravity of Python 2 Pedro Larroy <pedro.larroy.lists@gmail.com> - 2014-01-08 15:45 +0100
              Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 01:50 +1100
                Re: the Gravity of Python 2 Grant Edwards <invalid@invalid.invalid> - 2014-01-08 15:06 +0000
                Re: the Gravity of Python 2 Chris Angelico <rosuav@gmail.com> - 2014-01-09 02:31 +1100
              Re: the Gravity of Python 2 Terry Reedy <tjreedy@udel.edu> - 2014-01-08 15:45 -0500
            Re: the Gravity of Python 2 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-08 14:15 +0000

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