rendering:
heading_level: 6
+#### tag-japanese
+
+::: nominatim.tokenizer.sanitizers.tag_japanese
+ selection:
+ members: False
+ rendering:
+ heading_level: 6
+
#### Token Analysis
Token analyzers take a full name and transform it into one or more normalized
--- /dev/null
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.
+"""
+This sanitizer maps OSM data to Japanese block addresses.
+It replaces blocknumber and housenumber with housenumber,
+and quarter and neighbourhood with place.
+"""
+
+
+from typing import Callable
+from typing import List
+
+from nominatim.tokenizer.sanitizers.base import ProcessInfo
+from nominatim.tokenizer.sanitizers.config import SanitizerConfig
+from nominatim.data.place_name import PlaceName
+
+def create(_: SanitizerConfig) -> Callable[[ProcessInfo], None]:
+#def create(config: SanitizerConfig) -> Callable[[ProcessInfo],None]:
+ """Set up the sanitizer
+ """
+ return tag_japanese
+ #return tag_japanese(config)
+
+def convert_kanji_sequence_to_number(sequence: str) -> str:
+ """Converts Kanji numbers to Arabic numbers
+ """
+ kanji_map = {
+ '零': '0',
+ '一': '1',
+ '二': '2',
+ '三': '3',
+ '四': '4',
+ '五': '5',
+ '六': '6',
+ '七': '7',
+ '八': '8',
+ '九': '9'
+ }
+ converted = ''
+ current_number = ''
+ for char in sequence:
+ if char in kanji_map:
+ current_number += kanji_map[char]
+ else:
+ converted += current_number
+ current_number = ''
+ converted += char
+ converted += current_number
+ return converted
+
+def reconbine_housenumber(
+ new_address: List[PlaceName],
+ tmp_housenumber: str | None,
+ tmp_blocknumber: str | None
+) -> List[PlaceName]:
+ """ Recombine the tag of housenumber by using housenumber and blocknumber
+ """
+ if tmp_blocknumber and tmp_housenumber:
+ new_address.append(
+ PlaceName(
+ kind='housenumber',
+ name=f'{tmp_blocknumber}-{tmp_housenumber}',
+ suffix=''
+ )
+ )
+ elif tmp_blocknumber:
+ new_address.append(
+ PlaceName(
+ kind='housenumber',
+ name=f'{tmp_blocknumber}',
+ suffix=''
+ )
+ )
+ elif tmp_housenumber:
+ new_address.append(
+ PlaceName(
+ kind='housenumber',
+ name=f'{tmp_housenumber}',
+ suffix=''
+ )
+ )
+ return new_address
+
+def reconbine_place(
+ new_address: List[PlaceName],
+ tmp_neighbourhood: str | None,
+ tmp_quarter: str | None
+) -> List[PlaceName]:
+ """ Recombine the tag of place by using neighbourhood and quarter
+ """
+ if tmp_neighbourhood and tmp_quarter:
+ new_address.append(
+ PlaceName(
+ kind='place',
+ name=f'{tmp_quarter}{tmp_neighbourhood}',
+ suffix=''
+ )
+ )
+ elif tmp_neighbourhood:
+ new_address.append(
+ PlaceName(
+ kind='place',
+ name=f'{tmp_neighbourhood}',
+ suffix=''
+ )
+ )
+ elif tmp_quarter:
+ new_address.append(
+ PlaceName(
+ kind='place',
+ name=f'{tmp_quarter}',
+ suffix=''
+ )
+ )
+ return new_address
+def tag_japanese(obj: ProcessInfo) -> None:
+ """Recombine kind of address
+ """
+ if obj.place.country_code != 'jp':
+ return
+ tmp_housenumber = None
+ tmp_blocknumber = None
+ tmp_neighbourhood = None
+ tmp_quarter = None
+
+ new_address = []
+ for item in obj.names:
+ item.name = convert_kanji_sequence_to_number(item.name)
+
+ for item in obj.address:
+ item.name = convert_kanji_sequence_to_number(item.name)
+ if item.kind == 'housenumber':
+ tmp_housenumber = item.name
+ elif item.kind == 'block_number':
+ tmp_blocknumber = item.name
+ elif item.kind == 'neighbourhood':
+ tmp_neighbourhood = item.name
+ elif item.kind == 'quarter':
+ tmp_quarter = item.name
+ else:
+ new_address.append(item)
+
+ new_address = reconbine_housenumber(new_address,tmp_housenumber,tmp_blocknumber)
+ new_address = reconbine_place(new_address,tmp_neighbourhood,tmp_quarter)
+
+ obj.address = [item for item in new_address if item.name is not None]
whitelist: [bg,ca,cs,da,de,el,en,es,et,eu,fi,fr,gl,hu,it,ja,mg,ms,nl,no,pl,pt,ro,ru,sk,sl,sv,tr,uk,vi]
use-defaults: all
mode: append
+ - step: tag-japanese
token-analysis:
- analyzer: generic
- id: "@housenumber"
--- /dev/null
+@DB
+Feature: Searches in Japan
+ Test specifically for searches of Japanese addresses and in Japanese language.
+ Scenario: A block house-number is parented to the neighbourhood
+ Given the grid with origin JP
+ | 1 | | | | 2 |
+ | | 3 | | | |
+ | | | 9 | | |
+ | | | | 6 | |
+ And the places
+ | osm | class | type | name | geometry |
+ | W1 | highway | residential | 雉子橋通り | 1,2 |
+ And the places
+ | osm | class | type | housenr | addr+block_number | addr+neighbourhood | geometry |
+ | N3 | amenity | restaurant | 2 | 6 | 2丁目 | 3 |
+ And the places
+ | osm | class | type | name | geometry |
+ | N9 | place | neighbourhood | 2丁目 | 9 |
+ And the places
+ | osm | class | type | name | geometry |
+ | N6 | place | quarter | 加瀬 | 6 |
+ When importing
+ Then placex contains
+ | object | parent_place_id |
+ | N3 | N9 |
+ When sending search query "2丁目 6-2"
+ Then results contain
+ | osm |
+ | N3 |
--- /dev/null
+from nominatim.data.place_info import PlaceInfo
+from nominatim.data.place_name import PlaceName
+from nominatim.tokenizer.place_sanitizer import PlaceSanitizer
+from typing import Mapping, Optional, List
+import pytest
+
+class TestTagJapanese:
+ @pytest.fixture(autouse=True)
+ def setup_country(self, def_config):
+ self.config = def_config
+
+ def run_sanitizer_on(self,type, **kwargs):
+ place = PlaceInfo({
+ 'address': kwargs,
+ 'country_code': 'jp'
+ })
+ sanitizer_args = {'step': 'tag-japanese'}
+ _, address = PlaceSanitizer([sanitizer_args], self.config).process_names(place)
+ tmp_list = [(p.name,p.kind) for p in address]
+ return sorted(tmp_list)
+
+ def test_on_address(self):
+ res = self.run_sanitizer_on('address', name='foo', ref='bar', ref_abc='baz')
+ assert res == [('bar','ref'),('baz','ref_abc'),('foo','name')]
+
+ def test_housenumber(self):
+ res = self.run_sanitizer_on('address', housenumber='2')
+ assert res == [('2','housenumber')]
+
+ def test_blocknumber(self):
+ res = self.run_sanitizer_on('address', block_number='6')
+ assert res == [('6','housenumber')]
+
+ #def test_neighbourhood(self):
+ # res = self.run_sanitizer_on('address',neighbourhood='8丁目')
+ # assert res == [('8','place')]
+ def test_neighbourhood(self):
+ res = self.run_sanitizer_on('address', neighbourhood='8')
+ assert res == [('8','place')]
+ def test_quarter(self):
+ res = self.run_sanitizer_on('address', quarter='kase')
+ assert res==[('kase','place')]
+
+ def test_housenumber_blocknumber(self):
+ res = self.run_sanitizer_on('address', housenumber='2', block_number='6')
+ assert res == [('6-2','housenumber')]
+
+ def test_housenumber_blocknumber(self):
+ res = self.run_sanitizer_on('address', housenumber='2', neighbourhood='8')
+ assert res == [('2','housenumber'),('8','place')]
+
+ def test_housenumber_blocknumber(self):
+ res = self.run_sanitizer_on('address', block_number='6', neighbourhood='8')
+ assert res == [('6','housenumber'),('8','place')]
+
+ def test_housenumber_blocknumber_neighbourhood(self):
+ res = self.run_sanitizer_on('address', housenumber='2', block_number='6', neighbourhood='8')
+ assert res == [('6-2','housenumber'),('8','place')]
+
+ def test_housenumber_blocknumber_neighbourhood_quarter(self):
+ res = self.run_sanitizer_on('address', housenumber='2', block_number='6', neighbourhood='8',quarter='kase')
+ assert res == [('6-2','housenumber'),('kase8','place')]
+ def test_neighbourhood_quarter(self):
+ res = self.run_sanitizer_on('address', neighbourhood='8',quarter='kase')
+ assert res == [('kase8','place')]