[Python-Dev] PEP 479 and asyncio

[Victor Stinner]

2014-11-28 10:12 GMT+01:00 Greg Ewing <greg.ewing at canterbury.ac.nz>:
> I don't understand. If I'm interpreting PEP 479 correctly, in
> 'x = yield from foo', a StopIteration raised by foo.__next__()
> doesn't get turned into a RuntimeError

The Trollius coroutine uses "raise Return(value)" which is basically a
"raise StopIteraton(value)", and this is forbidden by the PEP 479.
With the PEP 479, the StopIteration is replaced with a RuntimeError.

Victor