mirror of
https://github.com/searxng/searxng.git
synced 2024-11-05 04:40:11 +01:00
8df1f0c47e
Most engines that support languages (and regions) use the Accept-Language from the WEB browser to build a response that fits to the language (and region). - add new engine option: send_accept_language_header Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
452 lines
15 KiB
Python
452 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, get_thumbnail
|
|
|
|
# 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
|
|
language_support = True
|
|
send_accept_language_header = True
|
|
|
|
# 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()
|
|
if 'Accept-Language' not in params['headers']:
|
|
params['headers']['Accept-Language'] = 'en'
|
|
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_thumbnail(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_language):
|
|
"""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_language = 'en' if user_language == 'all' else user_language.split('-')[0]
|
|
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_language)
|
|
)
|
|
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_language + ':' + 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)
|