gistfile1.pyw

# -*- coding: utf-8 -*-
"""
Tests dynamic inheritence with python.
"""

class MixinA(object):
    my_attr = 5

    def __init__(self):
        print "hey, berry scott here!"


class MixinB(object):

    def bark(self):
        print("Bark, bark.")


class BaseClass(object):
    my_attr = 1337

    def __init__(self):

        super(BaseClass, self).__init__()
        print("Hello there. My attr is {0}.".format(self.my_attr))
        if hasattr(self, 'bark'):
            print("I haz bark.")
            self.bark()

if __name__ == '__main__':
    NewClass = type('NewClass', (BaseClass, MixinA, MixinB), {})

    b = NewClass()