[Python-Dev] PEP 4000 to explicitly declare we won't be doing a Py3k style compatibility break again?

Antoine Pitrou antoine at python.org
Mon Aug 18 19:49:06 CEST 2014

Le 18/08/2014 13:22, Mark Dickinson a écrit :
> [Moderately off-topic]
> On Sun, Aug 17, 2014 at 3:39 AM, Steven D'Aprano <steve at pearwood.info
> <mailto:steve at pearwood.info>> wrote:
>     I used to refer to Python 4000 as the hypothetical compatibility break
>     version. Now I refer to Python 5000.
> I personally think it should be Python 5000000, or Py5M.  When we come
> to create the mercurial branch, that should of course, following
> tradition, be called p5ym.

I would suggest "NaV", for "not-a-version". It would compare greater 
than all other version numbers (in the spirit of Numpy's "not-a-time", 
slightly tweaked).



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