forked from zaclys/searxng
239 lines
8.0 KiB
Python
239 lines
8.0 KiB
Python
import json
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from requests import get
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from urllib import urlencode
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resultCount=1
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urlSearch = 'https://www.wikidata.org/w/api.php?action=query&list=search&format=json&srnamespace=0&srprop=sectiontitle&{query}'
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urlDetail = 'https://www.wikidata.org/w/api.php?action=wbgetentities&format=json&props=labels%7Cinfo%7Csitelinks%7Csitelinks%2Furls%7Cdescriptions%7Cclaims&{query}'
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urlMap = 'https://www.openstreetmap.org/?lat={latitude}&lon={longitude}&zoom={zoom}&layers=M'
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def request(query, params):
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params['url'] = urlSearch.format(query=urlencode({'srsearch': query, 'srlimit': resultCount}))
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return params
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def response(resp):
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results = []
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search_res = json.loads(resp.text)
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wikidata_ids = set()
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for r in search_res.get('query', {}).get('search', {}):
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wikidata_ids.add(r.get('title', ''))
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language = resp.search_params['language'].split('_')[0]
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if language == 'all':
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language = 'en'
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url = urlDetail.format(query=urlencode({'ids': '|'.join(wikidata_ids), 'languages': language + '|en'}))
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htmlresponse = get(url)
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jsonresponse = json.loads(htmlresponse.content)
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for wikidata_id in wikidata_ids:
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results = results + getDetail(jsonresponse, wikidata_id, language)
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return results
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def getDetail(jsonresponse, wikidata_id, language):
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results = []
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urls = []
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attributes = []
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result = jsonresponse.get('entities', {}).get(wikidata_id, {})
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title = result.get('labels', {}).get(language, {}).get('value', None)
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if title == None:
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title = result.get('labels', {}).get('en', {}).get('value', None)
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if title == None:
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return results
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description = result.get('descriptions', {}).get(language, {}).get('value', None)
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if description == None:
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description = result.get('descriptions', {}).get('en', {}).get('value', '')
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claims = result.get('claims', {})
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official_website = get_string(claims, 'P856', None)
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if official_website != None:
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urls.append({ 'title' : 'Official site', 'url': official_website })
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results.append({ 'title': title, 'url' : official_website })
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wikipedia_link_count = 0
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if language != 'en':
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wikipedia_link_count += add_url(urls, 'Wikipedia (' + language + ')', get_wikilink(result, language + 'wiki'))
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wikipedia_en_link = get_wikilink(result, 'enwiki')
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wikipedia_link_count += add_url(urls, 'Wikipedia (en)', wikipedia_en_link)
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if wikipedia_link_count == 0:
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misc_language = get_wiki_firstlanguage(result, 'wiki')
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if misc_language != None:
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add_url(urls, 'Wikipedia (' + misc_language + ')', get_wikilink(result, misc_language + 'wiki'))
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if language != 'en':
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add_url(urls, 'Wiki voyage (' + language + ')', get_wikilink(result, language + 'wikivoyage'))
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add_url(urls, 'Wiki voyage (en)', get_wikilink(result, 'enwikivoyage'))
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if language != 'en':
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add_url(urls, 'Wikiquote (' + language + ')', get_wikilink(result, language + 'wikiquote'))
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add_url(urls, 'Wikiquote (en)', get_wikilink(result, 'enwikiquote'))
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add_url(urls, 'Commons wiki', get_wikilink(result, 'commonswiki'))
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add_url(urls, 'Location', get_geolink(claims, 'P625', None))
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add_url(urls, 'Wikidata', 'https://www.wikidata.org/wiki/' + wikidata_id + '?uselang='+ language)
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musicbrainz_work_id = get_string(claims, 'P435')
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if musicbrainz_work_id != None:
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add_url(urls, 'MusicBrainz', 'http://musicbrainz.org/work/' + musicbrainz_work_id)
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musicbrainz_artist_id = get_string(claims, 'P434')
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if musicbrainz_artist_id != None:
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add_url(urls, 'MusicBrainz', 'http://musicbrainz.org/artist/' + musicbrainz_artist_id)
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musicbrainz_release_group_id = get_string(claims, 'P436')
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if musicbrainz_release_group_id != None:
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add_url(urls, 'MusicBrainz', 'http://musicbrainz.org/release-group/' + musicbrainz_release_group_id)
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musicbrainz_label_id = get_string(claims, 'P966')
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if musicbrainz_label_id != None:
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add_url(urls, 'MusicBrainz', 'http://musicbrainz.org/label/' + musicbrainz_label_id)
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# musicbrainz_area_id = get_string(claims, 'P982')
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# P1407 MusicBrainz series ID
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# P1004 MusicBrainz place ID
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# P1330 MusicBrainz instrument ID
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# P1407 MusicBrainz series ID
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postal_code = get_string(claims, 'P281', None)
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if postal_code != None:
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attributes.append({'label' : 'Postal code(s)', 'value' : postal_code})
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date_of_birth = get_time(claims, 'P569', None)
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if date_of_birth != None:
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attributes.append({'label' : 'Date of birth', 'value' : date_of_birth})
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date_of_death = get_time(claims, 'P570', None)
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if date_of_death != None:
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attributes.append({'label' : 'Date of death', 'value' : date_of_death})
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if len(attributes)==0 and len(urls)==2 and len(description)==0:
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results.append({
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'url': urls[0]['url'],
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'title': title,
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'content': description
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})
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else:
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results.append({
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'infobox' : title,
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'id' : wikipedia_en_link,
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'content' : description,
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'attributes' : attributes,
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'urls' : urls
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})
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return results
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def add_url(urls, title, url):
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if url != None:
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urls.append({'title' : title, 'url' : url})
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return 1
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else:
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return 0
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def get_mainsnak(claims, propertyName):
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propValue = claims.get(propertyName, {})
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if len(propValue) == 0:
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return None
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propValue = propValue[0].get('mainsnak', None)
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return propValue
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def get_string(claims, propertyName, defaultValue=None):
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propValue = claims.get(propertyName, {})
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if len(propValue) == 0:
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return defaultValue
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result = []
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for e in propValue:
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mainsnak = e.get('mainsnak', {})
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datavalue = mainsnak.get('datavalue', {})
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if datavalue != None:
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result.append(datavalue.get('value', ''))
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if len(result) == 0:
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return defaultValue
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else:
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#TODO handle multiple urls
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return result[0]
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def get_time(claims, propertyName, defaultValue=None):
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propValue = claims.get(propertyName, {})
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if len(propValue) == 0:
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return defaultValue
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result = []
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for e in propValue:
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mainsnak = e.get('mainsnak', {})
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datavalue = mainsnak.get('datavalue', {})
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if datavalue != None:
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value = datavalue.get('value', '')
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result.append(value.get('time', ''))
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if len(result) == 0:
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return defaultValue
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else:
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return ', '.join(result)
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def get_geolink(claims, propertyName, defaultValue=''):
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mainsnak = get_mainsnak(claims, propertyName)
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if mainsnak == None:
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return defaultValue
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datatype = mainsnak.get('datatype', '')
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datavalue = mainsnak.get('datavalue', {})
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if datatype != 'globe-coordinate':
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return defaultValue
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value = datavalue.get('value', {})
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precision = value.get('precision', 0.0002)
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# there is no zoom information, deduce from precision (error prone)
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# samples :
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# 13 --> 5
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# 1 --> 6
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# 0.016666666666667 --> 9
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# 0.00027777777777778 --> 19
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# wolframalpha : quadratic fit { {13, 5}, {1, 6}, {0.0166666, 9}, {0.0002777777,19}}
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# 14.1186-8.8322 x+0.625447 x^2
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if precision < 0.0003:
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zoom = 19
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else:
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zoom = int(15 - precision*8.8322 + precision*precision*0.625447)
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url = urlMap.replace('{latitude}', str(value.get('latitude',0))).replace('{longitude}', str(value.get('longitude',0))).replace('{zoom}', str(zoom))
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return url
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def get_wikilink(result, wikiid):
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url = result.get('sitelinks', {}).get(wikiid, {}).get('url', None)
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if url == None:
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return url
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elif url.startswith('http://'):
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url = url.replace('http://', 'https://')
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elif url.startswith('//'):
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url = 'https:' + url
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return url
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def get_wiki_firstlanguage(result, wikipatternid):
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for k in result.get('sitelinks', {}).keys():
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if k.endswith(wikipatternid) and len(k)==(2+len(wikipatternid)):
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return k[0:2]
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return None
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