Re: Channels with django signals

Oh I saw that you fixed it recently. Thank you anyway :)

On Sunday, February 4, 2018 at 1:22:58 AM UTC+1, Andrew Godwin wrote:

Hi John,

This is fixed in the asgiref master branch, I should be releasing it soon.

Andrew

On Sat, Feb 3, 2018 at 4:14 PM, John Wayne <nrftes...@gmail.com> wrote:

Hi everyone,

I am trying to send a channels message from a django signal. The problem ist that the signal function is not async. So I tried to use the AsyncToSync wrapper.

But it seems this is not possible as the signal handler is run by a thread and has no event loop.

...

    self.main_event_loop = asyncio.get_event_loop()

  File "/usr/lib/python3.5/asyncio/events.py", line 632, in get_event_loop

    return get_event_loop_policy().get_event_loop()

  File "/usr/lib/python3.5/asyncio/events.py", line 578, in get_event_loop

    % threading.current_thread().name)

RuntimeError: There is no current event loop in thread 'Thread-2'.

So I tried to create the AsyncToSync inside the app.py as this gets executed by the main thread. By passing this instance I tried to execute the wrapper inside

the signal handler. But this also doesn't work and the website is stuck loading. How can I get around this issue?

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