geoparse.py 文件源码

def query_geonames_country(self, placename, country):
        """
        Like query_geonames, but this time limited to a specified country.
        """
        # first, try for an exact phrase match
        q = {"multi_match": {"query": placename,
                             "fields": ['name^5', 'asciiname^5', 'alternativenames'],
                            "type" : "phrase"}}
        r = Q("match", country_code3=country)
        res = self.conn.query(q).query(r)[0:50].execute()

        # if no results, use some fuzziness, but still require all terms to be present.
        # Fuzzy is not allowed in "phrase" searches.
        if res.hits.total == 0:
                # tried wrapping this in a {"constant_score" : {"query": ... but made it worse
            q = {"multi_match": {"query": placename,
                                 "fields": ['name', 'asciiname', 'alternativenames'],
                                     "fuzziness" : 1,
                                     "operator":   "and"},
                }
            r = Q("match", country_code3=country)
            res = self.conn.query(q).query(r)[0:50].execute()

        out = utilities.structure_results(res)
        return out