Am 17.09.2019 um 13:07 hat Max Reitz geschrieben:
> On 17.09.19 10:40, Kevin Wolf wrote:
> > Am 17.09.2019 um 10:18 hat Max Reitz geschrieben:
> >> On 13.09.19 20:30, John Snow wrote:
> >>> I'd still like to define func_wrapper with a nod to the type constraint
> >>> it has:
> >>>
> >>> def func_wrapper(instance: iotests.QMPTestCase, *args, **kwargs):
> >>>     [...]
> >>>
> >>>
> >>> Then, you'd write:
> >>>
> >>> if callable(required_formats):
> >>>     fmts = required_formats(instance)
> >>> else:
> >>>     fmts = required_formats
> >>
> >> Yep, that anyway.  (Although I didn’t know about the “param: type”
> >> syntax and put that constraint in a comment instead.  Thanks again :-))
> > 
> > Note that function annotations are Python 3 only, so we can't use that
> > syntax yet anyway. If you want to use type hints that are understood by
> > tools (like mypy) and compatible with Python 2, you have to use
> > something like this (feel free to be more specific than Any):
> 
> Do we really feel like staying compatible with Python 2, though?

Feel like it? No.

It's more that we are compelled to do so because we only deprecated it
in 4.1.

Kevin