Minimum python 2.7 for Samba 4.7

[Andrew Bartlett]

On Thu, 2017-02-09 at 14:15 +1300, Andrew Bartlett wrote:
> G'Day,
> 
> I've been looking at python both those to disable it and to move us
> to
> python3.  In the python3 patches I'm hitting a conflict with
> PyCapsule
> vs PyCobject, because python 2.7 (which I'm building with) also has
> PyCapsule.
> 
> I'm sure it can be worked around, but it got me thinking.  If we have
> a
> maintained '--disable-python', can we then set the minimum python to
> build with moved up to Python 2.7?
> 
> RHEL 7 has python 2.7, and was released 10 June 2014.  I know many of
> our users are still on RHEL 6 or Centos 6, but few of these both want
> the AD DC and can't obtain python 2.7 from another repo.  
> 
> Other distributions seem to have a modern python, eg OpenSUSE 11 from
> 2013-05 has 2.7, Debian Wheezy has Python 2.7, precise (12.04LTS) has
> Python 2.7.
> 
> Therefore, to make the Python 3 migration easier, can we please have
> Samba 4.7, due for release 2017-09, require Python 2.7 unless built
> with --disable-python?

BTW, the other new python features we could then use are listed here:

https://docs.python.org/dev/whatsnew/2.7.html

The updated unittest looks really useful:
https://docs.python.org/dev/whatsnew/2.7.html#updated-module-unittest

Thanks,

Andrew Bartlett