if not conn.table_exists('search_name'):
return
with conn.cursor(name="hnr_counter") as cur:
- cur.execute("""SELECT word_id, word_token FROM word
+ cur.execute("""SELECT DISTINCT word_id, coalesce(info->>'lookup', word_token)
+ FROM word
WHERE type = 'H'
AND NOT EXISTS(SELECT * FROM search_name
WHERE ARRAY[word.word_id] && name_vector)
- AND (char_length(word_token) > 6
- OR word_token not similar to '\\d+')
+ AND (char_length(coalesce(word, word_token)) > 6
+ OR coalesce(word, word_token) not similar to '\\d+')
""")
candidates = {token: wid for wid, token in cur}
with conn.cursor(name="hnr_counter") as cur:
for hnr in row[0].split(';'):
candidates.pop(hnr, None)
LOG.info("There are %s outdated housenumbers.", len(candidates))
+ LOG.debug("Outdated housenumbers: %s", candidates.keys())
if candidates:
with conn.cursor() as cur:
cur.execute("""DELETE FROM word WHERE word_id = any(%s)""",
return postcode.strip().upper()
- def _make_standard_hnr(self, hnr):
- """ Create a normalised version of a housenumber.
-
- This function takes minor shortcuts on transliteration.
- """
- return self._search_normalized(hnr)
-
def update_postcodes_from_db(self):
""" Update postcode tokens in the word table from the location_postcode
table.
Returns a JSON-serializable structure that will be handed into
the database via the token_info field.
"""
- token_info = _TokenInfo(self._cache)
+ token_info = _TokenInfo()
names, address = self.sanitizer.process_names(place)
if names:
- fulls, partials = self._compute_name_tokens(names)
-
- token_info.add_names(fulls, partials)
+ token_info.set_names(*self._compute_name_tokens(names))
if place.is_country():
self._add_country_full_names(place.country_code, names)
if address:
self._process_place_address(token_info, address)
- return token_info.data
+ return token_info.to_dict()
def _process_place_address(self, token_info, address):
- hnrs = set()
- addr_terms = []
- streets = []
for item in address:
if item.kind == 'postcode':
self._add_postcode(item.name)
elif item.kind == 'housenumber':
- norm_name = self._make_standard_hnr(item.name)
- if norm_name:
- hnrs.add(norm_name)
+ token_info.add_housenumber(*self._compute_housenumber_token(item))
elif item.kind == 'street':
- streets.extend(self._retrieve_full_tokens(item.name))
+ token_info.add_street(self._retrieve_full_tokens(item.name))
elif item.kind == 'place':
if not item.suffix:
token_info.add_place(self._compute_partial_tokens(item.name))
elif not item.kind.startswith('_') and not item.suffix and \
item.kind not in ('country', 'full'):
- addr_terms.append((item.kind, self._compute_partial_tokens(item.name)))
+ token_info.add_address_term(item.kind, self._compute_partial_tokens(item.name))
- if hnrs:
- token_info.add_housenumbers(self.conn, hnrs)
- if addr_terms:
- token_info.add_address_terms(addr_terms)
+ def _compute_housenumber_token(self, hnr):
+ """ Normalize the housenumber and return the word token and the
+ canonical form.
+ """
+ analyzer = self.token_analysis.analysis.get('@housenumber')
+ result = None, None
+
+ if analyzer is None:
+ # When no custom analyzer is set, simply normalize and transliterate
+ norm_name = self._search_normalized(hnr.name)
+ if norm_name:
+ result = self._cache.housenumbers.get(norm_name, result)
+ if result[0] is None:
+ with self.conn.cursor() as cur:
+ cur.execute("SELECT getorcreate_hnr_id(%s)", (norm_name, ))
+ result = cur.fetchone()[0], norm_name
+ self._cache.housenumbers[norm_name] = result
+ else:
+ # Otherwise use the analyzer to determine the canonical name.
+ # Per convention we use the first variant as the 'lookup name', the
+ # name that gets saved in the housenumber field of the place.
+ norm_name = analyzer.normalize(hnr.name)
+ if norm_name:
+ result = self._cache.housenumbers.get(norm_name, result)
+ if result[0] is None:
+ variants = analyzer.get_variants_ascii(norm_name)
+ if variants:
+ with self.conn.cursor() as cur:
+ cur.execute("SELECT create_analyzed_hnr_id(%s, %s)",
+ (norm_name, list(variants)))
+ result = cur.fetchone()[0], variants[0]
+ self._cache.housenumbers[norm_name] = result
- if streets:
- token_info.add_street(streets)
+ return result
def _compute_partial_tokens(self, name):
class _TokenInfo:
""" Collect token information to be sent back to the database.
"""
- def __init__(self, cache):
- self._cache = cache
- self.data = {}
+ def __init__(self):
+ self.names = None
+ self.housenumbers = set()
+ self.housenumber_tokens = set()
+ self.street_tokens = set()
+ self.place_tokens = set()
+ self.address_tokens = {}
+
@staticmethod
def _mk_array(tokens):
- return '{%s}' % ','.join((str(s) for s in tokens))
+ return f"{{{','.join((str(s) for s in tokens))}}}"
+
+
+ def to_dict(self):
+ """ Return the token information in database importable format.
+ """
+ out = {}
+
+ if self.names:
+ out['names'] = self.names
+
+ if self.housenumbers:
+ out['hnr'] = ';'.join(self.housenumbers)
+ out['hnr_tokens'] = self._mk_array(self.housenumber_tokens)
+
+ if self.street_tokens:
+ out['street'] = self._mk_array(self.street_tokens)
+ if self.place_tokens:
+ out['place'] = self._mk_array(self.place_tokens)
- def add_names(self, fulls, partials):
+ if self.address_tokens:
+ out['addr'] = self.address_tokens
+
+ return out
+
+
+ def set_names(self, fulls, partials):
""" Adds token information for the normalised names.
"""
- self.data['names'] = self._mk_array(itertools.chain(fulls, partials))
+ self.names = self._mk_array(itertools.chain(fulls, partials))
- def add_housenumbers(self, conn, hnrs):
+ def add_housenumber(self, token, hnr):
""" Extract housenumber information from a list of normalised
housenumbers.
"""
- self.data['hnr_tokens'] = self._mk_array(self._cache.get_hnr_tokens(conn, hnrs))
- self.data['hnr'] = ';'.join(hnrs)
+ if token:
+ self.housenumbers.add(hnr)
+ self.housenumber_tokens.add(token)
def add_street(self, tokens):
""" Add addr:street match terms.
"""
- self.data['street'] = self._mk_array(tokens)
+ self.street_tokens.update(tokens)
def add_place(self, tokens):
""" Add addr:place search and match terms.
"""
- if tokens:
- self.data['place'] = self._mk_array(tokens)
+ self.place_tokens.update(tokens)
- def add_address_terms(self, terms):
+ def add_address_term(self, key, partials):
""" Add additional address terms.
"""
- tokens = {key: self._mk_array(partials)
- for key, partials in terms if partials}
-
- if tokens:
- self.data['addr'] = tokens
+ if partials:
+ self.address_tokens[key] = self._mk_array(partials)
class _TokenCache:
self.fulls = {}
self.postcodes = set()
self.housenumbers = {}
-
-
- def get_hnr_tokens(self, conn, terms):
- """ Get token ids for a list of housenumbers, looking them up in the
- database if necessary. `terms` is an iterable of normalized
- housenumbers.
- """
- tokens = []
- askdb = []
-
- for term in terms:
- token = self.housenumbers.get(term)
- if token is None:
- askdb.append(term)
- else:
- tokens.append(token)
-
- if askdb:
- with conn.cursor() as cur:
- cur.execute("SELECT nr, getorcreate_hnr_id(nr) FROM unnest(%s) as nr",
- (askdb, ))
- for term, tid in cur:
- self.housenumbers[term] = tid
- tokens.append(tid)
-
- return tokens