Based on Jason's answer, I implemented the example of C#-like events as a full-fledged python module for a project of mine with documentation, tests and everything. (i love fancy pythonic stuff. ^^) So, if you want some ready-to-use solution, you can just use the code on github.

Based on Jason's answer, I implemented the C#-like events example as a fully-fledged python module including documentation and tests. I love fancy pythonic stuff :) 

So, if you want some ready-to-use solution, you can just use the code on github.