Drop Python2 for the build?

[Jeremy Allison]

On Sat, Sep 05, 2020 at 02:22:34PM +1200, Andrew Bartlett via samba-technical wrote:
> Just wondering when might be the time to drop the python2 build?
> 
> This came to mind because David Disseldorp recently had to adjust build
> system changes to cope with python2, so I figured it might be time to
> revisit this.
> 
> March 2021 will be 12 months after the long-delayed EOL for Python2 and
> since we made last made big decisions around this area Python3 has
> become available in the default package set for more platforms,
> particularly including CentOS 7.
> 
> We currently spend CI resources building and smoke testing Samba with a
> python2, which we could save, as well as the (small) complexity of
> targeting both python versions.
> 
> The simplest change would change the minimum python to build Samba to
> 3.5, the same as we set the minimum to for fuzzing, or just 3.6 the
> same as we already require otherwise (this would be better tested).
> 
> As background, the first Samba release with python3 support, 4.10, was
> released in March 2019, so if we did this for 4.14 this would be a two-
> year gap.
> 
> What do folks think?
> 
> Importantly: beyond Linux, how is python3 platform support better now?

A cautious +1 from me, but I don't build on FreeBSD or anything else :-).