admin.py 文件源码

def queryset(self, request, queryset):
        daystart = timezone.make_aware(datetime.combine(timezone.localdate(), time.min))
        dayend = timezone.make_aware(datetime.combine(timezone.localdate(), time.max))


        # using daystart and dayend because I can't directly filter using start_date.day
        if self.value() == 'today':
            return queryset.filter(start_date__gte=daystart,
                                    start_date__lte=dayend)

        if self.value() == 'tomorrow':
            daystart += timedelta(days=1)
            dayend += timedelta(days=1)
            return queryset.filter(start_date__gte=daystart,
                                    start_date__lte=dayend)

        if self.value() == 'week':
            dayend += timedelta(days=7)
            return queryset.filter(start_date__gte=daystart,
                                    start_date__lte=dayend)

        if self.value() == 'month':
            dayend += timedelta(days=30)
            return queryset.filter(start_date__gte=daystart,
                                    start_date__lte=dayend)

        if self.value() == 'last_week':
            daystart -= timedelta(days=7)
            return queryset.filter(start_date__gte=daystart,
                                    start_date__lte=dayend)

        # no else to allow fall through to return all