Python 3 versions

[Stefan Metzmacher]

Am 28.03.2018 um 20:18 schrieb Andrew Bartlett via samba-technical:
> On Wed, 2018-03-28 at 15:20 +0200, Andreas Schneider via samba-
> technical wrote:
>>
>> Here is an example:
>>
>> RHEL7 offers python 2.7.5 and python 3.3. If you want to support enterprise 
>> distributions with python3 you need to go with 3.3.
> 
> I'm confused, I can't see any package for python3 in:
> 
> http://mirror.centos.org/centos/7/os/x86_64/Packages/
> 
> It is in EPEL, but this shows python36 as available here:
> 
> https://mirrors.sonic.net/epel/7/x86_64/Packages/p/
> 
> And for centos 6 there is python36 in IUS:
> 
> https://dl.iuscommunity.org/pub/ius/stable/CentOS/6/x86_64/
> 
>> If you want to go with python 3.5 you need to keep python 2.7 support around 
>> till those distros are out of support or drop python2 to in favor of a newer 
>> python3 version (unlikely).

I think we need to keep at least 2.7 for quite some time.

> I have to say, I find the competing priorities here maddening.  
> 
> For all this porting work to be worth it, we need to be able to use the
> new features, and while for at most the next couple of months I'm happy
> to set the bar at Python 3.4, by the time we have a release that
> actually works with Python3 it must be Python 3.5 or ideally 3.6, with
> Python2 support dropped except for the build system (maybe). 
> 
> If the root folks could advise on if a python36 package could be
> installed on sn-devel (via an upgrade or ppa) that would help a lot. 

It will take (I guess at least) a few weeks before we upgrade to a newer
version.

metze

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