def get_date(self):
if self._date is False:
return None
timeval = self._date
if timeval:
if is_callable(timeval):
timeval = timeval()
elif timeval is None:
timeval = formatdate(None, True)
return timeval
def message_id(self):
mid = self._message_id
if mid is False:
return None
return is_callable(mid) and mid() or mid