python-patterns/decorator.py at master · Yosh1mitsu/python-patterns

26 lines (18 loc) · 512 Bytes

# http://stackoverflow.com/questions/3118929/implementing-the-decorator-pattern-in-python
class foo(object):
    def f1(self):
        print("original f1")
    def f2(self):
        print("original f2")
class foo_decorator(object):
    def __init__(self, decoratee):
        self._decoratee = decoratee
    def f1(self):
        print("decorated f1")
        self._decoratee.f1()
    def __getattr__(self, name):
        return getattr(self._decoratee, name)
v = foo_decorator(u)

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