mirror of
https://github.com/searxng/searxng.git
synced 2024-11-26 21:01:01 +00:00
ab569c1e12
add hint:Query hint:optimizer "None". to the SPARQL query to keep the response time small. It tells the optimizer to follow the path from ?item to the different property values instead of the other way around. See https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/query_optimization#Property_paths
442 lines
15 KiB
Python
442 lines
15 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
# lint: pylint
|
|
"""OpenStreetMap (Map)
|
|
|
|
"""
|
|
|
|
import re
|
|
from json import loads
|
|
from urllib.parse import urlencode
|
|
from functools import partial
|
|
|
|
from flask_babel import gettext
|
|
|
|
from searx.data import OSM_KEYS_TAGS, CURRENCIES
|
|
from searx.utils import searx_useragent
|
|
from searx.external_urls import get_external_url
|
|
from searx.engines.wikidata import send_wikidata_query, sparql_string_escape
|
|
|
|
# about
|
|
about = {
|
|
"website": 'https://www.openstreetmap.org/',
|
|
"wikidata_id": 'Q936',
|
|
"official_api_documentation": 'http://wiki.openstreetmap.org/wiki/Nominatim',
|
|
"use_official_api": True,
|
|
"require_api_key": False,
|
|
"results": 'JSON',
|
|
}
|
|
|
|
# engine dependent config
|
|
categories = ['map']
|
|
paging = False
|
|
|
|
# search-url
|
|
base_url = 'https://nominatim.openstreetmap.org/'
|
|
search_string = 'search?{query}&polygon_geojson=1&format=jsonv2&addressdetails=1&extratags=1&dedupe=1'
|
|
result_id_url = 'https://openstreetmap.org/{osm_type}/{osm_id}'
|
|
result_lat_lon_url = 'https://www.openstreetmap.org/?mlat={lat}&mlon={lon}&zoom={zoom}&layers=M'
|
|
|
|
route_url = 'https://graphhopper.com/maps/?point={}&point={}&locale=en-US&vehicle=car&weighting=fastest&turn_costs=true&use_miles=false&layer=Omniscale' # pylint: disable=line-too-long
|
|
route_re = re.compile('(?:from )?(.+) to (.+)')
|
|
|
|
wikidata_image_sparql = """
|
|
select ?item ?itemLabel ?image ?sign ?symbol ?website ?wikipediaName
|
|
where {
|
|
hint:Query hint:optimizer "None".
|
|
values ?item { %WIKIDATA_IDS% }
|
|
OPTIONAL { ?item wdt:P18|wdt:P8517|wdt:P4291|wdt:P5252|wdt:P3451|wdt:P4640|wdt:P5775|wdt:P2716|wdt:P1801|wdt:P4896 ?image }
|
|
OPTIONAL { ?item wdt:P1766|wdt:P8505|wdt:P8667 ?sign }
|
|
OPTIONAL { ?item wdt:P41|wdt:P94|wdt:P154|wdt:P158|wdt:P2910|wdt:P4004|wdt:P5962|wdt:P8972 ?symbol }
|
|
OPTIONAL { ?item wdt:P856 ?website }
|
|
SERVICE wikibase:label {
|
|
bd:serviceParam wikibase:language "%LANGUAGE%,en".
|
|
?item rdfs:label ?itemLabel .
|
|
}
|
|
OPTIONAL {
|
|
?wikipediaUrl schema:about ?item;
|
|
schema:isPartOf/wikibase:wikiGroup "wikipedia";
|
|
schema:name ?wikipediaName;
|
|
schema:inLanguage "%LANGUAGE%" .
|
|
}
|
|
}
|
|
ORDER by ?item
|
|
"""
|
|
|
|
|
|
# key value that are link: mapping functions
|
|
# 'mapillary': P1947
|
|
# but https://github.com/kartaview/openstreetcam.org/issues/60
|
|
# but https://taginfo.openstreetmap.org/keys/kartaview ...
|
|
def value_to_https_link(value):
|
|
http = 'http://'
|
|
if value.startswith(http):
|
|
value = 'https://' + value[len(http) :]
|
|
return (value, value)
|
|
|
|
|
|
def value_to_website_link(value):
|
|
value = value.split(';')[0]
|
|
return (value, value)
|
|
|
|
|
|
def value_wikipedia_link(value):
|
|
value = value.split(':', 1)
|
|
return ('https://{0}.wikipedia.org/wiki/{1}'.format(*value), '{1} ({0})'.format(*value))
|
|
|
|
|
|
def value_with_prefix(prefix, value):
|
|
return (prefix + value, value)
|
|
|
|
|
|
VALUE_TO_LINK = {
|
|
'website': value_to_website_link,
|
|
'contact:website': value_to_website_link,
|
|
'email': partial(value_with_prefix, 'mailto:'),
|
|
'contact:email': partial(value_with_prefix, 'mailto:'),
|
|
'contact:phone': partial(value_with_prefix, 'tel:'),
|
|
'phone': partial(value_with_prefix, 'tel:'),
|
|
'fax': partial(value_with_prefix, 'fax:'),
|
|
'contact:fax': partial(value_with_prefix, 'fax:'),
|
|
'contact:mastodon': value_to_https_link,
|
|
'facebook': value_to_https_link,
|
|
'contact:facebook': value_to_https_link,
|
|
'contact:foursquare': value_to_https_link,
|
|
'contact:instagram': value_to_https_link,
|
|
'contact:linkedin': value_to_https_link,
|
|
'contact:pinterest': value_to_https_link,
|
|
'contact:telegram': value_to_https_link,
|
|
'contact:tripadvisor': value_to_https_link,
|
|
'contact:twitter': value_to_https_link,
|
|
'contact:yelp': value_to_https_link,
|
|
'contact:youtube': value_to_https_link,
|
|
'contact:webcam': value_to_website_link,
|
|
'wikipedia': value_wikipedia_link,
|
|
'wikidata': partial(value_with_prefix, 'https://wikidata.org/wiki/'),
|
|
'brand:wikidata': partial(value_with_prefix, 'https://wikidata.org/wiki/'),
|
|
}
|
|
KEY_ORDER = [
|
|
'cuisine',
|
|
'organic',
|
|
'delivery',
|
|
'delivery:covid19',
|
|
'opening_hours',
|
|
'opening_hours:covid19',
|
|
'fee',
|
|
'payment:*',
|
|
'currency:*',
|
|
'outdoor_seating',
|
|
'bench',
|
|
'wheelchair',
|
|
'level',
|
|
'building:levels',
|
|
'bin',
|
|
'public_transport',
|
|
'internet_access:ssid',
|
|
]
|
|
KEY_RANKS = {k: i for i, k in enumerate(KEY_ORDER)}
|
|
|
|
|
|
def request(query, params):
|
|
"""do search-request"""
|
|
params['url'] = base_url + search_string.format(query=urlencode({'q': query}))
|
|
params['route'] = route_re.match(query)
|
|
params['headers']['User-Agent'] = searx_useragent()
|
|
return params
|
|
|
|
|
|
def response(resp):
|
|
"""get response from search-request"""
|
|
results = []
|
|
nominatim_json = loads(resp.text)
|
|
user_language = resp.search_params['language']
|
|
|
|
if resp.search_params['route']:
|
|
results.append({
|
|
'answer': gettext('Get directions'),
|
|
'url': route_url.format(*resp.search_params['route'].groups()),
|
|
})
|
|
|
|
fetch_wikidata(nominatim_json, user_language)
|
|
|
|
for result in nominatim_json:
|
|
title, address = get_title_address(result)
|
|
|
|
# ignore result without title
|
|
if not title:
|
|
continue
|
|
|
|
url, osm, geojson = get_url_osm_geojson(result)
|
|
img_src = get_img_src(result)
|
|
links, link_keys = get_links(result, user_language)
|
|
data = get_data(result, user_language, link_keys)
|
|
|
|
results.append({
|
|
'template': 'map.html',
|
|
'title': title,
|
|
'address': address,
|
|
'address_label': get_key_label('addr', user_language),
|
|
'url': url,
|
|
'osm': osm,
|
|
'geojson': geojson,
|
|
'img_src': img_src,
|
|
'links': links,
|
|
'data': data,
|
|
'type': get_tag_label(
|
|
result.get('category'), result.get('type', ''), user_language
|
|
),
|
|
'type_icon': result.get('icon'),
|
|
'content': '',
|
|
'longitude': result['lon'],
|
|
'latitude': result['lat'],
|
|
'boundingbox': result['boundingbox'],
|
|
})
|
|
|
|
return results
|
|
|
|
|
|
def get_wikipedia_image(raw_value):
|
|
if not raw_value:
|
|
return None
|
|
return get_external_url('wikimedia_image', raw_value)
|
|
|
|
|
|
def fetch_wikidata(nominatim_json, user_langage):
|
|
"""Update nominatim_json using the result of an unique to wikidata
|
|
|
|
For result in nominatim_json:
|
|
If result['extratags']['wikidata'] or r['extratags']['wikidata link']:
|
|
Set result['wikidata'] to { 'image': ..., 'image_sign':..., 'image_symbal':... }
|
|
Set result['extratags']['wikipedia'] if not defined
|
|
Set result['extratags']['contact:website'] if not defined
|
|
"""
|
|
wikidata_ids = []
|
|
wd_to_results = {}
|
|
for result in nominatim_json:
|
|
e = result.get("extratags")
|
|
if e:
|
|
# ignore brand:wikidata
|
|
wd_id = e.get("wikidata", e.get("wikidata link"))
|
|
if wd_id and wd_id not in wikidata_ids:
|
|
wikidata_ids.append("wd:" + wd_id)
|
|
wd_to_results.setdefault(wd_id, []).append(result)
|
|
|
|
if wikidata_ids:
|
|
user_langage = 'en' if user_langage == 'all' else user_langage
|
|
wikidata_ids_str = " ".join(wikidata_ids)
|
|
query = wikidata_image_sparql.replace('%WIKIDATA_IDS%', sparql_string_escape(wikidata_ids_str)).replace(
|
|
'%LANGUAGE%', sparql_string_escape(user_langage)
|
|
)
|
|
wikidata_json = send_wikidata_query(query)
|
|
for wd_result in wikidata_json.get('results', {}).get('bindings', {}):
|
|
wd_id = wd_result['item']['value'].replace('http://www.wikidata.org/entity/', '')
|
|
for result in wd_to_results.get(wd_id, []):
|
|
result['wikidata'] = {
|
|
'itemLabel': wd_result['itemLabel']['value'],
|
|
'image': get_wikipedia_image(wd_result.get('image', {}).get('value')),
|
|
'image_sign': get_wikipedia_image(wd_result.get('sign', {}).get('value')),
|
|
'image_symbol': get_wikipedia_image(wd_result.get('symbol', {}).get('value')),
|
|
}
|
|
# overwrite wikipedia link
|
|
wikipedia_name = wd_result.get('wikipediaName', {}).get('value')
|
|
if wikipedia_name:
|
|
result['extratags']['wikipedia'] = user_langage + ':' + wikipedia_name
|
|
# get website if not already defined
|
|
website = wd_result.get('website', {}).get('value')
|
|
if (
|
|
website
|
|
and not result['extratags'].get('contact:website')
|
|
and not result['extratags'].get('website')
|
|
):
|
|
result['extratags']['contact:website'] = website
|
|
|
|
|
|
def get_title_address(result):
|
|
"""Return title and address
|
|
|
|
title may be None
|
|
"""
|
|
address_raw = result.get('address')
|
|
address_name = None
|
|
address = {}
|
|
|
|
# get name
|
|
if (
|
|
result['category'] == 'amenity'
|
|
or result['category'] == 'shop'
|
|
or result['category'] == 'tourism'
|
|
or result['category'] == 'leisure'
|
|
):
|
|
if address_raw.get('address29'):
|
|
# https://github.com/osm-search/Nominatim/issues/1662
|
|
address_name = address_raw.get('address29')
|
|
else:
|
|
address_name = address_raw.get(result['category'])
|
|
elif result['type'] in address_raw:
|
|
address_name = address_raw.get(result['type'])
|
|
|
|
# add rest of adressdata, if something is already found
|
|
if address_name:
|
|
title = address_name
|
|
address.update(
|
|
{
|
|
'name': address_name,
|
|
'house_number': address_raw.get('house_number'),
|
|
'road': address_raw.get('road'),
|
|
'locality': address_raw.get(
|
|
'city', address_raw.get('town', address_raw.get('village')) # noqa
|
|
), # noqa
|
|
'postcode': address_raw.get('postcode'),
|
|
'country': address_raw.get('country'),
|
|
'country_code': address_raw.get('country_code'),
|
|
}
|
|
)
|
|
else:
|
|
title = result.get('display_name')
|
|
|
|
return title, address
|
|
|
|
|
|
def get_url_osm_geojson(result):
|
|
"""Get url, osm and geojson
|
|
"""
|
|
osm_type = result.get('osm_type', result.get('type'))
|
|
if 'osm_id' not in result:
|
|
# see https://github.com/osm-search/Nominatim/issues/1521
|
|
# query example: "EC1M 5RF London"
|
|
url = result_lat_lon_url.format(lat=result['lat'], lon=result['lon'], zoom=12)
|
|
osm = {}
|
|
else:
|
|
url = result_id_url.format(osm_type=osm_type, osm_id=result['osm_id'])
|
|
osm = {'type': osm_type, 'id': result['osm_id']}
|
|
|
|
geojson = result.get('geojson')
|
|
# if no geojson is found and osm_type is a node, add geojson Point
|
|
if not geojson and osm_type == 'node':
|
|
geojson = {'type': 'Point', 'coordinates': [result['lon'], result['lat']]}
|
|
|
|
return url, osm, geojson
|
|
|
|
|
|
def get_img_src(result):
|
|
"""Get image URL from either wikidata or r['extratags']"""
|
|
# wikidata
|
|
img_src = None
|
|
if 'wikidata' in result:
|
|
img_src = result['wikidata']['image']
|
|
if not img_src:
|
|
img_src = result['wikidata']['image_symbol']
|
|
if not img_src:
|
|
img_src = result['wikidata']['image_sign']
|
|
|
|
# img_src
|
|
if not img_src and result.get('extratags', {}).get('image'):
|
|
img_src = result['extratags']['image']
|
|
del result['extratags']['image']
|
|
if not img_src and result.get('extratags', {}).get('wikimedia_commons'):
|
|
img_src = get_external_url('wikimedia_image', result['extratags']['wikimedia_commons'])
|
|
del result['extratags']['wikimedia_commons']
|
|
|
|
return img_src
|
|
|
|
|
|
def get_links(result, user_language):
|
|
"""Return links from result['extratags']"""
|
|
links = []
|
|
link_keys = set()
|
|
for k, mapping_function in VALUE_TO_LINK.items():
|
|
raw_value = result['extratags'].get(k)
|
|
if raw_value:
|
|
url, url_label = mapping_function(raw_value)
|
|
if url.startswith('https://wikidata.org'):
|
|
url_label = result.get('wikidata', {}).get('itemLabel') or url_label
|
|
links.append({
|
|
'label': get_key_label(k, user_language),
|
|
'url': url,
|
|
'url_label': url_label,
|
|
})
|
|
link_keys.add(k)
|
|
return links, link_keys
|
|
|
|
|
|
def get_data(result, user_language, ignore_keys):
|
|
"""Return key, value of result['extratags']
|
|
|
|
Must be call after get_links
|
|
|
|
Note: the values are not translated
|
|
"""
|
|
data = []
|
|
for k, v in result['extratags'].items():
|
|
if k in ignore_keys:
|
|
continue
|
|
if get_key_rank(k) is None:
|
|
continue
|
|
k_label = get_key_label(k, user_language)
|
|
if k_label:
|
|
data.append({
|
|
'label': k_label,
|
|
'key': k,
|
|
'value': v,
|
|
})
|
|
data.sort(key=lambda entry: (get_key_rank(entry['key']), entry['label']))
|
|
return data
|
|
|
|
|
|
def get_key_rank(k):
|
|
"""Get OSM key rank
|
|
|
|
The rank defines in which order the key are displayed in the HTML result
|
|
"""
|
|
key_rank = KEY_RANKS.get(k)
|
|
if key_rank is None:
|
|
# "payment:*" in KEY_ORDER matches "payment:cash", "payment:debit card", etc...
|
|
key_rank = KEY_RANKS.get(k.split(':')[0] + ':*')
|
|
return key_rank
|
|
|
|
|
|
def get_label(labels, lang):
|
|
"""Get label from labels in OSM_KEYS_TAGS
|
|
|
|
in OSM_KEYS_TAGS, labels have key == '*'
|
|
"""
|
|
tag_label = labels.get(lang.lower())
|
|
if tag_label is None:
|
|
# example: if 'zh-hk' is not found, check 'zh'
|
|
tag_label = labels.get(lang.split('-')[0])
|
|
if tag_label is None and lang != 'en':
|
|
# example: if 'zh' is not found, check 'en'
|
|
tag_label = labels.get('en')
|
|
if tag_label is None and len(labels.values()) > 0:
|
|
# example: if still not found, use the first entry
|
|
tag_label = labels.values()[0]
|
|
return tag_label
|
|
|
|
|
|
def get_tag_label(tag_category, tag_name, lang):
|
|
"""Get tag label from OSM_KEYS_TAGS"""
|
|
tag_name = '' if tag_name is None else tag_name
|
|
tag_labels = OSM_KEYS_TAGS['tags'].get(tag_category, {}).get(tag_name, {})
|
|
return get_label(tag_labels, lang)
|
|
|
|
|
|
def get_key_label(key_name, lang):
|
|
"""Get key label from OSM_KEYS_TAGS"""
|
|
if key_name.startswith('currency:'):
|
|
# currency:EUR --> get the name from the CURRENCIES variable
|
|
# see https://wiki.openstreetmap.org/wiki/Key%3Acurrency
|
|
# and for exampe https://taginfo.openstreetmap.org/keys/currency:EUR#values
|
|
# but there is also currency=EUR (currently not handled)
|
|
# https://taginfo.openstreetmap.org/keys/currency#values
|
|
currency = key_name.split(':')
|
|
if len(currency) > 1:
|
|
o = CURRENCIES['iso4217'].get(currency)
|
|
if o:
|
|
return get_label(o, lang).lower()
|
|
return currency
|
|
|
|
labels = OSM_KEYS_TAGS['keys']
|
|
for k in key_name.split(':') + ['*']:
|
|
labels = labels.get(k)
|
|
if labels is None:
|
|
return None
|
|
return get_label(labels, lang)
|