X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/08dcd05d7bc09ad4e70ff47ff6f393a1b91ad21a..7205491b8495e48c62b28373d1746e77d475582b:/nominatim/api/search/legacy_tokenizer.py diff --git a/nominatim/api/search/legacy_tokenizer.py b/nominatim/api/search/legacy_tokenizer.py index 3346584c..86d42a54 100644 --- a/nominatim/api/search/legacy_tokenizer.py +++ b/nominatim/api/search/legacy_tokenizer.py @@ -44,7 +44,7 @@ class LegacyToken(qmod.Token): @property def info(self) -> Dict[str, Any]: - """ Dictionary of additional propoerties of the token. + """ Dictionary of additional properties of the token. Should only be used for debugging purposes. """ return {'category': self.category, @@ -107,15 +107,15 @@ class LegacyQueryAnalyzer(AbstractQueryAnalyzer): for row in await self.lookup_in_db(lookup_words): for trange in words[row.word_token.strip()]: token, ttype = self.make_token(row) - if ttype == qmod.TokenType.CATEGORY: + if ttype == qmod.TokenType.NEAR_ITEM: if trange.start == 0: - query.add_token(trange, qmod.TokenType.CATEGORY, token) + query.add_token(trange, qmod.TokenType.NEAR_ITEM, token) elif ttype == qmod.TokenType.QUALIFIER: query.add_token(trange, qmod.TokenType.QUALIFIER, token) if trange.start == 0 or trange.end == query.num_token_slots(): token = copy(token) token.penalty += 0.1 * (query.num_token_slots()) - query.add_token(trange, qmod.TokenType.CATEGORY, token) + query.add_token(trange, qmod.TokenType.NEAR_ITEM, token) elif ttype != qmod.TokenType.PARTIAL or trange.start + 1 == trange.end: query.add_token(trange, ttype, token) @@ -127,6 +127,15 @@ class LegacyQueryAnalyzer(AbstractQueryAnalyzer): return query + def normalize_text(self, text: str) -> str: + """ Bring the given text into a normalized form. + + This only removes case, so some difference with the normalization + in the phrase remains. + """ + return text.lower() + + def split_query(self, query: qmod.QueryStruct) -> Tuple[List[str], Dict[str, List[qmod.TokenRange]]]: """ Transliterate the phrases and split them into tokens. @@ -186,7 +195,7 @@ class LegacyQueryAnalyzer(AbstractQueryAnalyzer): ttype = qmod.TokenType.POSTCODE lookup_word = row.word_token[1:] else: - ttype = qmod.TokenType.CATEGORY if row.operator in ('in', 'near')\ + ttype = qmod.TokenType.NEAR_ITEM if row.operator in ('in', 'near')\ else qmod.TokenType.QUALIFIER lookup_word = row.word elif row.word_token.startswith(' '):