def __is_expired(self, key):
expire_dt = self.__expire_keys_dict.get(key, None)
if expire_dt:
current = date_utils.get_current_utc_datetime()
return expire_dt > current
return False
def set_with_expire(self, key, value, expiration_secs):
# if the expiration is 0 the key will live forever so don't waste time storing the key
if expiration_secs == 0:
return
if expiration_secs > MAX_SECONDS:
raise Exception("Expiration time can not exceed 30 days (%s seconds)" % MAX_SECONDS)
# calculate expiration utc datetime
current = date_utils.get_current_utc_datetime()
expiration_dt_utc = date_utils.addSeconds(expiration_secs, current)
self.__expire_keys_dict[key] = expiration_dt_utc
dict.__setitem__(self, key, value)