On śro, 2017-05-10 at 14:15 -0700, Patrick McLean wrote: > On Wed, 10 May 2017 20:53:31 +0200 > Michał Górny <mgo...@gentoo.org> wrote: > > > Allow two special values in the implementation patterns for > > _python_impl_matches(): -2 to indicate all Python 2-compatible > > implementations, and -3 to indicate all Python 3-compatible > > implementations. Both of those values are implemented using > > the python_is_python3 function. > > Seems mostly reasonable, though the syntax is somewhat confusing at > first glance. There are many places where we use "-value" to negate, so > this looks like it means "not python 2" rather than "all python 2". > Perhaps something like '+2' would make it easier to read.
Well, it was supposed to correspond to option parameters, so that it
doesn't collide with regular template matching. But '+' works for me
too, same as anything. Or '@2'. Or '${py2}' ;-P.
>
> > This is mostly meant to make it easier and more fool-proof to write
> > dependencies on backports to Python 2 which in most cases apply to
> > PyPy2 as well.
>
>
--
Best regards,
Michał Górny
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