Follow up question: what's the plan to replace this use of
`@types.coroutine` in `asyncio/tasks.py`? [1]
@types.coroutine
def __sleep0():
"""<docstring omitted>"""
yield
[1] https://github.com/python/cpython/blob/master/Lib/asyncio/tasks.py#L585
Best,
Luciano
On Fri, Feb 19, 2021 at 2:31 AM Luciano Ramalho <luci...@ramalho.org> wrote:
>
> On Fri, Feb 19, 2021 at 1:59 AM Guido van Rossum <gu...@python.org> wrote:
> >> 1) What Python construct is to be used at the end of a chain of await
> >> calls, if not of a generator-based coroutine decorated with
> >> `@types.coroutine` and using a `yield` expression in its body?
>
> > At the end of the chain you can call the __await__() method which gives an
> > iterator, and then you call next() or send() on that iterator. Each
> > next()/send() call then represents an await step, and send() in general is
> > used to provide an awaited result. Eventually this will raise StopIteration
> > with a value indicating the ultimate result (the return value of the
> > top-level async def).
>
> All right, that made sense to me. Thank you so much, Guido.
>
> Thanks for the clarification about `@types.coroutine` as well.
>
> Take care,
>
> Luciano
>
>
> --
> Luciano Ramalho
> | Author of Fluent Python (O'Reilly, 2015)
> | http://shop.oreilly.com/product/0636920032519.do
> | Technical Principal at ThoughtWorks
> | Twitter: @ramalhoorg
--
Luciano Ramalho
| Author of Fluent Python (O'Reilly, 2015)
| http://shop.oreilly.com/product/0636920032519.do
| Technical Principal at ThoughtWorks
| Twitter: @ramalhoorg
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