models.py 文件源码

def _set_enddate(self, value):
        try:
            eventdate = self.dates.get(eventdate_name='end')
            if value:
                eventdate.eventdate_date = value
                eventdate.save()
                self.enddate_cache = eventdate.eventdate_date
            else:
                eventdate.delete()
                self.enddate_cache = None
        except EventDate.DoesNotExist:
            if value:
                new_eventdate = self.dates.create(
                        eventdate_name='end',
                        eventdate_date=value )
                self.enddate_cache = new_eventdate.eventdate_date
            else:
                self.enddate_cache = None