expire_dict.py 文件源码

def set_ttl(self, key, seconds):
        is_have = OrderedDict.__getitem__(self,key)
        if is_have:
            expire_time = time.time() + seconds
            self.key_time_map[key] = {"time": time.time(), "max_age": 0, "expire_time": expire_time}
            key_ttl = expire_time - time.time()
            #self.__setitem__(key,is_have)
            #OrderedDict.__setitem__(self, key,is_have)
            if key_ttl > 0:
                return key_ttl
        return None