Python Multitask - Generator-based Multitasking and Asynchronous I/O

"multitask allows Python programs to use generators (aka coroutines) to perform cooperative multitasking and asynchronous I/O. Applications written using multitask consist of a set of cooperating tasks that yield to a shared task manager whenever they perform a (potentially) blocking operation, such as I/O on a socket or getting data from a queue. The task manager temporarily suspends the task (allowing other tasks to run in the meantime) and then restarts it when the blocking operation is complete. Such an approach is suitable for applications that would otherwise have to use select() and/or multiple threads to achieve concurrency."

It is built on some of the new generator features in Python 2.5.  I wrote about this a few months back and actually tried to implement a version of a coroutine scheduler myself.  Glad to see someone packaged up a nice version I can use :)