Most "active" coroutine library project?

Simon Forman sajmikins at
Wed Sep 23 19:00:13 CEST 2009

On Sun, Aug 23, 2009 at 11:02 AM, Phillip B Oldham
<phillip.oldham at> wrote:
> I've been taking a look at the multitude of coroutine libraries
> available for Python, but from the looks of the projects they all seem
> to be rather "quiet". I'd like to pick one up to use on a current
> project but can't deduce which is the most popular/has the largest
> community.
> Libraries I looked at include: cogen, weightless, eventlet and
> circuits (which isn't exactly coroutine-based but it's event-driven
> model was intriguing).
> Firstly, are there any others I've missed? And what would the
> consensus be on the which has the most active community behind it?
> --

Coroutines are built into the language.  There's a good talk about
them here:


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