'Do the actual heavy lifting of getting the dated items; this accepts a
date object so that TodayArchiveView can be trivial.'

def _get_dated_items(self, date):

    date_field = self.get_date_field()
    field = self.get_queryset().model._meta.get_field(date_field)
    lookup_kwargs = _date_lookup_for_field(field, date)
    qs = self.get_dated_queryset(**lookup_kwargs)
    return (None, qs, {'day': date, 'previous_day': self.get_previous_day(date), 'next_day': self.get_next_day(date), 'previous_month': self.get_previous_month(date), 'next_month': self.get_next_month(date)})
