Implement a gunicorn worker that uses uvloop

[1st1]

What does this change do?

This PR provides a gunicorn worker that runs uvloop. This is something that has to be done at the worker level, since when the app is actually running, it's already too late to set up the uvloop policy.

How to test your changes?

I've updated test/test_worker.py to test the new worker too. Alternatively, you can run a hello world application using the new worker with

$ gunicorn test:app --worker-class aiohttp.worker.GunicornUVLoopWebWorker --workers 2 --bind localhost:8080

Related issue number

There is no aiohttp issue regarding this, but there is one in the uvloop project: MagicStack/uvloop#26

Checklist

• Code is written and well
• Tests for the changes are provided
• Documentation reflects the changes

[coveralls]

Coverage increased (+0.002%) to 98.22% when pulling 95c31ac on 1st1:uvloop-gunicorn into 889b7f1 on KeepSafe:master.

[fafhrd91]

Thanks

[1st1]

Thanks, Nikolay. When are you going to issue a new release?

[fafhrd91]

Usually @asvetlov makes releases. Let me ask him if he has time

[1st1]

@fafhrd91 @asvetlov Guys, is it possible to issue a new aiohttp release? What's the ETA? The last release was on May 5th...

[fafhrd91]

@asvetlov do you want us to handle new releases of aiohttp?

[asvetlov]

Will do it in a few days.
I want to fix a couple of issues first.

[lock]

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