[Python-Dev] Migrating to Python 3: the python 3 install issue (original) (raw)

Brett Cannon brett at python.org
Fri Oct 2 18:55:17 EDT 2015

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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