[Python-Dev] Type hints -- a mediocre programmer's reaction (original) (raw)

Antoine Pitrou solipsis at pitrou.net
Tue Apr 21 18:47:21 CEST 2015

On Tue, 21 Apr 2015 09:28:45 -0700 Guido van Rossum <guido at python.org> wrote:

On Tue, Apr 21, 2015 at 12:49 AM, Antoine Pitrou <solipsis at pitrou.net> wrote:

> On Mon, 20 Apr 2015 20:43:38 -0400 > "R. David Murray" <rdmurray at bitdance.com> wrote: > > +1 to this from me too. I'm afraid that means I'm -1 on the PEP. > > > > I didn't write this in my earlier email because I wasn't sure about it, > > but my gut reaction after reading Harry's email was "if type annotations > > are used in the stdlib, I'll probably stop contributing". That doesn't > > mean that's true, but that's the first time I've ever had that > > thought, so it is probably worth sharing. > > I think it would be nice to know what the PEP means for daily stdlib > development. If patches have to carry typing information each time they > add/enhance an API that's an addition burden. If typing is done > separately by interested people then it sounds like it wouldn't have > much of an impact on everyone else's workflow. > This point will be moot until new code appears in the stdlib whose author likes type hints. As I said, we won't be converting existing code to add type hints (I'm actively against that for the stdlib, for reasons I've explained already).

I was thinking of potential stub files. Or are you also putting a ban on those for existing stdlib code? Sorry if that has already been answered...

Regards

Antoine.

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