On Jul 24, 2014 1:26 AM, "Marko Rauhamaa" <ma...@pacujo.net> wrote: > > Terry Reedy <tjre...@udel.edu>: > > > 18.5.3. Tasks and coroutines, seems to be devoid of event wait > > examples. However, there is a 'yield from' network example in 18.5.5 > > Streams using socket functions wrapped with coroutines. These should > > definitely be used instead of sleep. In fact, for cross-platform > > network code meant to run on *nix and Windows, they are better than > > the unix oriented select and poll functions. > > Asyncio has full support for the callback style as well. What I don't > know is how well the two styles mix. Say, you have a module that > produces callbacks and another one that is based on coroutines. The > coroutines can easily emit callbacks but can callbacks call "yield > from"?
Callbacks can easily schedule coroutines, but they can't wait on them, because that would require suspending their execution, dropping back to the event loop, and resuming later -- in other words, the callback would need to be a coroutine also.
-- https://mail.python.org/mailman/listinfo/python-list