+
−#!/usr/bin/env python
+
−
+
−"""
+
−illlustrate e.g. method bind for python
+
−"""
+
−
+
−class Foo(object):
+
−
+
−    @classmethod
+
−    def create(cls):
+
−        """create an instance and bind a method onto foo"""
+
−        class decorator(object):
+
−            def __init__(self, function):
+
−                self.function = function
+
−            def __call__(self):
+
−                print "Bar!"
+
−                return self.function()
+
−
+
−        instance = cls()
+
−        instance.foo = decorator(instance.foo)
+
−        return instance
+
−
+
−    def foo(self):
+
−        print "Foo!"
+
−
+
−if __name__ == '__main__':
+
−    foo = Foo.create()
+
−    foo.foo()