X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/ffc2d82b0ed150d52a718dc563f9399062e579a7..0da481f207b1aabc5943ea4ab99914d9b1f50b82:/nominatim/tokenizer/legacy_tokenizer.py diff --git a/nominatim/tokenizer/legacy_tokenizer.py b/nominatim/tokenizer/legacy_tokenizer.py index b95a6208..0aacb57f 100644 --- a/nominatim/tokenizer/legacy_tokenizer.py +++ b/nominatim/tokenizer/legacy_tokenizer.py @@ -238,6 +238,9 @@ class LegacyNameAnalyzer: if address: self._add_postcode(address.get('postcode')) token_info.add_housenumbers(self.conn, address) + token_info.add_address_parent(self.conn, address.get('street'), + address.get('place')) + token_info.add_address_parts(self.conn, address) return token_info.data @@ -309,6 +312,46 @@ class _TokenInfo: self.data['hnr_tokens'], self.data['hnr'] = cur.fetchone() + def add_address_parent(self, conn, street, place): + """ Extract the tokens for street and place terms. + """ + def _get_streetplace(name): + with conn.cursor() as cur: + cur.execute("""SELECT (addr_ids_from_name(%s) || getorcreate_name_id(make_standard_name(%s), ''))::text, + word_ids_from_name(%s)::text""", + (name, name, name)) + return cur.fetchone() + + if street: + self.data['street_search'], self.data['street_match'] = \ + self.cache.streets.get(street, _get_streetplace) + + if place: + self.data['place_search'], self.data['place_match'] = \ + self.cache.streets.get(place, _get_streetplace) + + + def add_address_parts(self, conn, address): + """ Extract address terms. + """ + def _get_address_term(name): + with conn.cursor() as cur: + cur.execute("""SELECT addr_ids_from_name(%s)::text, + word_ids_from_name(%s)::text""", + (name, name)) + return cur.fetchone() + + tokens = {} + for key, value in address.items(): + if not key.startswith('_') and \ + key not in ('country', 'street', 'place', 'postcode', 'full', + 'housenumber', 'streetnumber', 'conscriptionnumber'): + tokens[key] = self.cache.address_terms.get(value, _get_address_term) + + if tokens: + self.data['addr'] = tokens + + class _LRU: """ Least recently used cache that accepts a generator function to produce the item when there is a cache miss. @@ -344,6 +387,9 @@ class _TokenCache: def __init__(self, conn): # various LRU caches self.postcodes = _LRU(maxsize=32) + self.streets = _LRU(maxsize=256) + self.places = _LRU(maxsize=128) + self.address_terms = _LRU(maxsize=1024) # Lookup houseunumbers up to 100 and cache them with conn.cursor() as cur: