Return (date_list, items, extra_context) for this request.

def get_date(self):
        """
        Return (date_list, items, extra_context) for this request.
        """
        year = self.get_year()
        month = self.get_month()
        day = self.get_day()

        return _date_from_string(year, self.get_year_format(),
                                 month, self.get_month_format(),
                                 day, self.get_day_format())