searxng/searx/engines/photon.py

144 lines
4.0 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
"""
Photon (Map)
"""
from json import loads
from urllib.parse import urlencode
from searx.utils import searx_useragent
# about
about = {
"website": 'https://photon.komoot.io',
"wikidata_id": None,
"official_api_documentation": 'https://photon.komoot.io/',
"use_official_api": True,
"require_api_key": False,
"results": 'JSON',
}
# engine dependent config
categories = ['map']
paging = False
number_of_results = 10
# search-url
base_url = 'https://photon.komoot.io/'
search_string = 'api/?{query}&limit={limit}'
result_base_url = 'https://openstreetmap.org/{osm_type}/{osm_id}'
# list of supported languages
supported_languages = ['de', 'en', 'fr', 'it']
# do search-request
def request(query, params):
params['url'] = base_url + search_string.format(query=urlencode({'q': query}), limit=number_of_results)
if params['language'] != 'all':
language = params['language'].split('_')[0]
if language in supported_languages:
params['url'] = params['url'] + "&lang=" + language
# using searx User-Agent
params['headers']['User-Agent'] = searx_useragent()
return params
# get response from search-request
def response(resp):
results = []
json = loads(resp.text)
# parse results
for r in json.get('features', {}):
properties = r.get('properties')
if not properties:
continue
# get title
title = properties.get('name')
# get osm-type
if properties.get('osm_type') == 'N':
osm_type = 'node'
elif properties.get('osm_type') == 'W':
osm_type = 'way'
elif properties.get('osm_type') == 'R':
osm_type = 'relation'
else:
# continue if invalid osm-type
continue
url = result_base_url.format(osm_type=osm_type, osm_id=properties.get('osm_id'))
osm = {'type': osm_type, 'id': properties.get('osm_id')}
geojson = r.get('geometry')
if properties.get('extent'):
boundingbox = [
properties.get('extent')[3],
properties.get('extent')[1],
properties.get('extent')[0],
properties.get('extent')[2],
]
else:
# TODO: better boundingbox calculation
boundingbox = [
geojson['coordinates'][1],
geojson['coordinates'][1],
geojson['coordinates'][0],
geojson['coordinates'][0],
]
# address calculation
address = {}
# get name
if (
properties.get('osm_key') == 'amenity'
or properties.get('osm_key') == 'shop'
or properties.get('osm_key') == 'tourism'
or properties.get('osm_key') == 'leisure'
):
address = {'name': properties.get('name')}
# add rest of adressdata, if something is already found
if address.get('name'):
address.update(
{
'house_number': properties.get('housenumber'),
'road': properties.get('street'),
'locality': properties.get(
'city', properties.get('town', properties.get('village')) # noqa
), # noqa
'postcode': properties.get('postcode'),
'country': properties.get('country'),
}
)
else:
address = None
# append result
results.append(
{
'template': 'map.html',
'title': title,
'content': '',
'longitude': geojson['coordinates'][0],
'latitude': geojson['coordinates'][1],
'boundingbox': boundingbox,
'geojson': geojson,
'address': address,
'osm': osm,
'url': url,
}
)
# return results
return results