models.py 文件源码

def create_future_events(self, date_stop=None):
        if not self.date_stop and not date_stop:
            raise ValidationError(_("Stop date should be specified."))

        date_stop = min(filter(None, [date_stop, self.date_stop]))
        current_date = max(self.time_start, timezone.now())
        last_event = self.events.order_by('-date_start').first()
        if last_event:
            current_date = max(current_date, last_event.date_start + timedelta(days=1))
        current_date = make_aware(datetime.combine(current_date, time.min))

        added_events = []
        for day in iter_daterange(current_date, date_stop):
            if not getattr(self, 'on_day%d' % day.weekday()):
                continue
            event = self.gen_future_event(day)
            event.full_clean()
            event.save(force_insert=True)
            added_events.append(event)
        return added_events