[Piglit] [PATCH 0/5] Python 3 port, again

Dylan Baker baker.dylan.c at gmail.com
Thu Jul 23 12:38:51 PDT 2015

On Fri, Jul 17, 2015 at 03:57:59PM +0100, Jose Fonseca wrote:
> Python3 will definitely bring challenges to us.
> It's no problem for our personal development systems, but there are 
> several systems which still only have python 2.x -- (systems we want to 
> run or build piglit.)
> I wonder it would be possible to keep piglit using either Python 2 and 3 
> for an transitory period (e.g, 3 months), that would allows us to 
> gradualy migrate things, as opposed to close shop for several days.
> On the other hand, I know it's tricky to make code that runs both on 2 
> and 3.  And we might get exposed to weird bugs either way.  I know we'll 
> have to bite the bullet sooner or later.
> So maybe the the Python 2 branch works -- I can get the existing systems 
> to build and run Python 2 branch.  Then slowly start building and using 
> Python 3 based master branch.
> For the record, IMHO, the decision of making Python 3 backwards 
> incompatible was a huge mistake.  If they introduced/deprecated the 
> new/old semantics incrementally they would get to world to migrate much 
> faster.  Instead they created this huge barrier, effectively keeping the 
> bulk of the world in Python 2 much longer.
> Jose

Sorry guys, I forgot about this..

Anyway, For us, we're interested in python 3 for the new features it
brings us, builtin xz support and builtin timeout support specifically.

I'm willing to entertain whatever migration path we want, but ultimately
we (Intel) want to be able to make use of python 3.3 features, so any
plan that wouldn't allow that isn't really interesting to us.

If we can go to a hybrid approach for a time and make a transition to
pure python 3 we're opened to that in place of maintaining two branches.
Of course, the other people we'll need to to talk to are Red Hat, since
they may have python 2.x requirements for some of their older releases.

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