models.py 文件源码

def get_for_notification(self, begin=None, end=None, hours=24):
        """
        :param begin: from datetime
        :type begin: datetime.datetime
        :param end: to datetime
        :type hours: timedelta hours
        :param hours: int
        :type end: datetime.datetime
        :return: Events
        :rtype: queryset
        """
        begin = begin if begin else timezone.datetime.now()
        end = end if end else begin + timezone.timedelta(hours=hours)
        queryset = self.get_queryset()
        return queryset.filter(
            notified_at__isnull=True,
            status='open',
            begin__gte=begin,
            begin__lte=end)