Intercepting class method invocations using metaclass programming in Python - Federico Cargnelutti

- (planet-php) - 4 months ago...

In Ruby, objects have a handy method called method_missing which allows one to handle method calls for methods that have not been defined. Most examples out there explain how to implement this in Python using __getattr__, however, none of them (honestly, none) explain how to intercept class method invocations using __metaclass__. And that’s why I wrote this post. The function type is the built-in metaclass Python uses, it not only lets you know the type of an object, but also create classe...