wagtail_hooks.py 文件源码

def queryset(self, request, queryset):
        now = timezone.now()
        # When time zone support is enabled, convert "now" to the user's time
        # zone so Django's definition of "Today" matches what the user expects.
        if timezone.is_aware(now):
            now = timezone.localtime(now)

        this_year = now.replace(
            month=1, day=1, hour=0, minute=0, second=0, microsecond=0
        )
        next_year = date(year=this_year.year + 1, month=1, day=1)
        last_year = date(year=this_year.year - 1, month=1, day=1)

        if self.value() == 'this':
            return queryset.filter(
                term_from__gte=this_year,
                term_from__lt=next_year
            )
        elif self.value() == 'last':
            return queryset.filter(
                term_from__gte=last_year,
                term_from__lt=this_year
            )
        elif self.value() == 'before':
            return queryset.filter(term_from__lt=last_year)