Recipe request: asyncio "spin off coroutine"

Marko Rauhamaa marko at
Wed Dec 14 15:25:19 EST 2016

Chris Angelico <rosuav at>:

> On Thu, Dec 15, 2016 at 6:27 AM, Marko Rauhamaa <marko at> wrote:
>> Chris Angelico <rosuav at>:
>>>     asyncio.spin_off(parallel()) # ???
>>> [...]
>>> What code should go on the "???" line to accomplish this?
>> asyncio.ensure_future(parallel())
> Hmm. I tried that but it didn't work in the full program (it hung the
> calling coroutine until completion). But it does work in the toy
> example I posted here. Weird. Must be something else that's wrong,
> then. I'll keep poking around, thanks.

What version of Python are you running?

   Changed in version 3.5.1: The function accepts any awaitable object.



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