[kyllo]

I don't know if you've ever used Django, but the entire thing is based on inheritance. When they introduced Class Based Views it got so complex that someone had to make this site just for exploring the inheritance tree: http://ccbv.co.uk

[Walkman]

There is a good discussion about it here: http://lukeplant.me.uk/blog/posts/djangos-cbvs-were-a-mistak...