For those of you who have taken a look at this, is there any library or construct in python that would be equivalent to the Events in Node.js? http://nodejs.or

For those of you who have taken a look at this, is there any library or construct in python that would be equivalent to the Events in Node.js? http://nodejs.org/api.html#_events http://nodejs.org/api.html#_events That's the deal maker for me... To have custom defined events. Correct me if I'm wrong but even Twisted doesn't have this facility?