class memoize(object): 
    def __init__(self, func):
        self.func = func
        self.mc = EcsCache()

    def __call__(self, *args, **kw):
        return self._wrap(*args, **kw)

    def _wrap(self, *args, **kw):
        key = make_key(args, kw, self.func)
        cache = self.mc.get(key)
        if cache is not None:
            return cache
        else:
            res = self.func(*args, **kw)
            self.mc.set(key, res)
            return res