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stestr Python 2 Support


On Sat, Aug 03, 2019 at 10:10:18AM +1000, Tony Breeds wrote:
> On Wed, Jul 24, 2019 at 09:11:36AM -0400, Matthew Treinish wrote:
> > Hi Everyone,
> > 
> > I just wanted to send a quick update about the state of python 2 support in
> > stestr, since OpenStack is the largest user of the project. With the recent
> > release of stestr 2.4.0 we've officially deprecated the python 2.7 support
> > in stestr. It will emit a DeprecationWarning whenever it's run from the CLI
> > with python 2.7 now. The plan (which is not set in stone) is that we will be
> > pushing a 3.0.0 release that removes the python 2 support and compat code from
> > stestr sometime in early 2020 (definitely after the Python 2.7 EoL on Jan.
> > 1st). I don't believe this conflicts with the current Python version support
> > plans in OpenStack [1] but just wanted to make sure people were aware so that
> > there are no surprises when stestr stops working with Python 2 in 3.0.0.
> 
> Thanks Matt.  I know it's a little meta but if something really strange
> were to happen would you be open to doing 2.X.Y releases while we still
> have maintained branches that use it?

Sure, I'm open to doing that if the need arises. The normal release process for
stestr doesn't involve branching. But, if there is a critical issue in 2.x.y
that requires a fix we can easily create a branch and push a bugfix release
when/if that happens.

-Matt Treinish
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