Simple automatic wrappers in Python

wrappers.py

class Window(object):
    def _draw(self):
        print 'parent draw'
    
    def __getattribute__(self, name):
        if hasattr(self, '_' + name):
            original = object.__getattribute__(self, '_' + name)
            new = object.__getattribute__(self, name)
            def wrapper(*args, **kwargs):
                original(*args, **kwargs)
                new(*args, **kwargs)
            return wrapper
        else:
            object.__getattribute__(self, name)


class MyWindow(Window):
    def draw(self):
        print 'my draw'


w = MyWindow()
w.draw()

# Output:
# parent draw
# my draw