Recipe request: asyncio "spin off coroutine"

Ian Kelly ian.g.kelly at
Wed Dec 14 15:53:50 EST 2016

On Wed, Dec 14, 2016 at 12:53 PM, Chris Angelico <rosuav at> wrote:
> 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.

Did you just use "asyncio.ensure_future(parallel())" in the full
program or did you throw in an await by mistake?

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