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