cache = memcache.Client(['localhost:11211'])

def memcached(key):
    def func_wrapper(func):
        def arg_wrapper(*args, **kwargs):
            value = cache.get(str(key))
            if not value:
                value = func(*args, **kwargs)
                cache.set(str(key), value)
            return value
        return arg_wrapper
    return func_wrapper