[Python-Dev] Migrating to Python 3: the python 3 install issue

[Christian Tismer]

Great, that this finally happens.

I think this was a silent revolution, initiated by nagging
people, distros and larger companies about how mega-out Python2 is,
until they finally started to believe it ;-)

cheers -- Chris

[since 2012 on Py3, charging an extra for back-porting]


On 03/10/15 01:05, Victor Stinner wrote:
> (grr, again i sent a draft by mistake, sorry about that)
> 
> Fedora 23 (scheduled for the end of this month) will only come with
> python3 (/usr/bin/python3), no python2 (nor python), *in the base
> system*. Obviously, it will be possible to install Python 2 to install
> applications not compatible with Python 3 yet.
> 
> https://fedoraproject.org/wiki/Releases/23/ChangeSet#Python_3_as_the_Default_Implementation
> https://twitter.com/_solotraveller/status/645559393627435008
> 
> Ubuntu is also working on a similar change. I don't know when it will happen.
> 
> Victor
> 
> 2015-10-03 0:55 GMT+02:00 Brett Cannon <brett at python.org>:
>> Thanks for the info, Terry! Glad people are realizing that Python 3 is now
>> available widely enough that applications can seriously consider dropping
>> Python 2 support now. I still think 2016 is going to see this happen more
>> and more once the Linux distros make their switches to Python 3.
>>
>> On Fri, 2 Oct 2015 at 15:16 Terry Reedy <tjreedy at udel.edu> wrote:
>>>
>>> On python-list, Chris Warrick reported (thread title):
>>> "The Nikola project is deprecating Python 2.7 (+2.x/3.x user survey
>>> results)"  This is for the November release, with 2.7 dropped in the
>>> next version next year. (Nikola is a cross-platform unicode-based app
>>> for building static websites and blogs from user-written templates and
>>> (marked-up) text files.   https://getnikola.com/ )
>>>
>>> Since users do not write code to use Nikola, the survey was about
>>> installation of Python 3.  At present, 1/2 have 3.x only, 1/3 2.x only,
>>> and 1/6 both.  (So much for 'nobody uses 3.x for real work'.)  Most of
>>> the 2.x only people are able and willing to install 3.x.
>>>
>>> https://getnikola.com/blog/env-survey-results-and-the-future-of-python-27.html
>>>
>>> When Stefan Behnel asked why they did not drop the hard-to-maintain 2.7
>>> version once they ported to 3.3, Chris answered
>>>
>>>  > We did it now because it all started with frustration with 2.7 [0].
>>>  > Also, doing it back in 2012/2013 would be problematic, because back
>>>  > then not all Linux distros had an easily installable Python 3 stack
>>>  > (and RHEL 7 still doesn’t have one in the default repos)
>>>  >
>>>  > [0]:
>>> http://ralsina.me/weblog/posts/floss-decision-making-in-action.html
>>>
>>> --
>>> Terry Jan Reedy
>>>
>>>
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>>
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-- 
Christian Tismer             :^)   tismer at stackless.com
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