Class decorator example

klass

class ClassDecorator(object):
    def __init__(self, models_list=None):
        self.ml = models_list or 'models_list'
    def __call__(self, cls):
        class Wrapped(cls):
            if not self.ml in globals():
                globals()[self.ml] = []
            globals()[self.ml].append(cls.__name__)
        return Wrapped

@ClassDecorator()
class Class:
    def method(self):
        return 'This is a Class.'

@ClassDecorator()
class Klass:
    def method(self):
        return 'This is a Klass.' 

klass = Klass()
klass.method()

cclass = Class
cclass.method()

print classes