Terry, On January 21, 2014 at 12:23:31 PM, Terry Reedy (tjre...@udel.edu) wrote: > > On 1/21/2014 10:59 AM, Yury Selivanov wrote: > > There is one more, hopefully last, open urgent question with > the signature > > object. At the time we were working on the PEP 362, PEP 457 didn’t > > exist. Nor did we have any function with real positonal-only > parameters, > > since there was no Argument Clinic yet. However, I implemented > > rudimentary support for them: > > > > “Parameter.POSITIONAL_ONLY” constant; > > > > “Signature.bind” and “Signature.bind_partial” fully support > functions > > with positional-only parameters; > > > > “Signature.__str__” renders them distinctively from other > kinds. > > > > The last point is the troublesome now. "Signature.__str__” > renders > > positional-only parameters in ‘<>’ brackets, so in: > > > > foo(, , baz) > > This amounts to a hidden new API.
Yes, and no. This wasn’t documented and until 3.4 we had no real-world positonal-only parameters. So I think it’s OK to fix this now. Yury _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
