(self, fieldname, start, end, startexcl, endexcl,
                    boost=1.0)
return None
When ``self_parsing()`` returns True, the query parser will call
        this method to parse range query text. If this method returns None
        instead of a query object, the parser will fall back to parsing the
        start and end terms using process_text().
When ``self_parsing()`` returns True, the query parser will call
        this method to parse range query text. If this method returns None
        instead of a query object, the parser will fall back to parsing the
        start and end terms using process_text().
When self_parsing () returns True the query parser will call this method to parse range query text . If this method returns None instead of a query object the parser will fall back to parsing the start and end terms using process_text () .
def parse_range(self, fieldname, start, end, startexcl, endexcl,
                    boost=1.0):
        """When ``self_parsing()`` returns True, the query parser will call
        this method to parse range query text. If this method returns None
        instead of a query object, the parser will fall back to parsing the
        start and end terms using process_text().
        """

        return None
def parse_range ( self , fieldname , start , end , startexcl , endexcl , boost = 1.0 ) : return None