Is anyone using meta-meta-classes / meta-meta-meta-classes in Python/ other languages?

Question

I recently discovered metaclasses in python.

Basically a metaclass in python is a class that creates a class. There are many useful reasons why you would want to do

Answer 1

This reminds me of the eternal quest some people seem to be on to make a "generic implementation of a pattern." Like a factory that can create any object (including another factory), or a general-purpose dependency injection framework that is far more complex to manage than simply writing code that actually does something.

I had to deal with people intent on abstraction to the point of navel-gazing when I was managing the Zend Framework project. I turned down a bunch of proposals to create components that didn't do anything, they were just magical implementations of GoF patterns, as though the pattern were a goal in itself, instead of a means to a goal.

There's a point of diminishing returns for abstraction. Some abstraction is great, but eventually you need to write code that does something useful.

Otherwise it's just turtles all the way down.