mirror of
https://github.com/searxng/searxng
synced 2024-11-09 01:10:26 +00:00
324 lines
9.7 KiB
Python
324 lines
9.7 KiB
Python
import json
|
|
|
|
from searx import logger
|
|
from searx.poolrequests import get
|
|
from searx.utils import format_date_by_locale
|
|
|
|
from datetime import datetime
|
|
from dateutil.parser import parse as dateutil_parse
|
|
from urllib import urlencode
|
|
|
|
|
|
logger = logger.getChild('wikidata')
|
|
result_count = 1
|
|
wikidata_host = 'https://www.wikidata.org'
|
|
wikidata_api = wikidata_host + '/w/api.php'
|
|
url_search = wikidata_api \
|
|
+ '?action=query&list=search&format=json'\
|
|
+ '&srnamespace=0&srprop=sectiontitle&{query}'
|
|
url_detail = wikidata_api\
|
|
+ '?action=wbgetentities&format=json'\
|
|
+ '&props=labels%7Cinfo%7Csitelinks'\
|
|
+ '%7Csitelinks%2Furls%7Cdescriptions%7Cclaims'\
|
|
+ '&{query}'
|
|
url_map = 'https://www.openstreetmap.org/'\
|
|
+ '?lat={latitude}&lon={longitude}&zoom={zoom}&layers=M'
|
|
|
|
|
|
def request(query, params):
|
|
params['url'] = url_search.format(
|
|
query=urlencode({'srsearch': query,
|
|
'srlimit': result_count}))
|
|
return params
|
|
|
|
|
|
def response(resp):
|
|
results = []
|
|
search_res = json.loads(resp.text)
|
|
|
|
wikidata_ids = set()
|
|
for r in search_res.get('query', {}).get('search', {}):
|
|
wikidata_ids.add(r.get('title', ''))
|
|
|
|
language = resp.search_params['language'].split('_')[0]
|
|
if language == 'all':
|
|
language = 'en'
|
|
|
|
url = url_detail.format(query=urlencode({'ids': '|'.join(wikidata_ids),
|
|
'languages': language + '|en'}))
|
|
|
|
htmlresponse = get(url)
|
|
jsonresponse = json.loads(htmlresponse.content)
|
|
for wikidata_id in wikidata_ids:
|
|
results = results + getDetail(jsonresponse, wikidata_id, language, resp.search_params['language'])
|
|
|
|
return results
|
|
|
|
|
|
def getDetail(jsonresponse, wikidata_id, language, locale):
|
|
results = []
|
|
urls = []
|
|
attributes = []
|
|
|
|
result = jsonresponse.get('entities', {}).get(wikidata_id, {})
|
|
|
|
title = result.get('labels', {}).get(language, {}).get('value', None)
|
|
if title is None:
|
|
title = result.get('labels', {}).get('en', {}).get('value', None)
|
|
if title is None:
|
|
return results
|
|
|
|
description = result\
|
|
.get('descriptions', {})\
|
|
.get(language, {})\
|
|
.get('value', None)
|
|
|
|
if description is None:
|
|
description = result\
|
|
.get('descriptions', {})\
|
|
.get('en', {})\
|
|
.get('value', '')
|
|
|
|
claims = result.get('claims', {})
|
|
official_website = get_string(claims, 'P856', None)
|
|
if official_website is not None:
|
|
urls.append({'title': 'Official site', 'url': official_website})
|
|
results.append({'title': title, 'url': official_website})
|
|
|
|
wikipedia_link_count = 0
|
|
if language != 'en':
|
|
wikipedia_link_count += add_url(urls,
|
|
'Wikipedia (' + language + ')',
|
|
get_wikilink(result, language +
|
|
'wiki'))
|
|
wikipedia_en_link = get_wikilink(result, 'enwiki')
|
|
wikipedia_link_count += add_url(urls,
|
|
'Wikipedia (en)',
|
|
wikipedia_en_link)
|
|
if wikipedia_link_count == 0:
|
|
misc_language = get_wiki_firstlanguage(result, 'wiki')
|
|
if misc_language is not None:
|
|
add_url(urls,
|
|
'Wikipedia (' + misc_language + ')',
|
|
get_wikilink(result, misc_language + 'wiki'))
|
|
|
|
if language != 'en':
|
|
add_url(urls,
|
|
'Wiki voyage (' + language + ')',
|
|
get_wikilink(result, language + 'wikivoyage'))
|
|
|
|
add_url(urls,
|
|
'Wiki voyage (en)',
|
|
get_wikilink(result, 'enwikivoyage'))
|
|
|
|
if language != 'en':
|
|
add_url(urls,
|
|
'Wikiquote (' + language + ')',
|
|
get_wikilink(result, language + 'wikiquote'))
|
|
|
|
add_url(urls,
|
|
'Wikiquote (en)',
|
|
get_wikilink(result, 'enwikiquote'))
|
|
|
|
add_url(urls,
|
|
'Commons wiki',
|
|
get_wikilink(result, 'commonswiki'))
|
|
|
|
add_url(urls,
|
|
'Location',
|
|
get_geolink(claims, 'P625', None))
|
|
|
|
add_url(urls,
|
|
'Wikidata',
|
|
'https://www.wikidata.org/wiki/'
|
|
+ wikidata_id + '?uselang=' + language)
|
|
|
|
musicbrainz_work_id = get_string(claims, 'P435')
|
|
if musicbrainz_work_id is not None:
|
|
add_url(urls,
|
|
'MusicBrainz',
|
|
'http://musicbrainz.org/work/'
|
|
+ musicbrainz_work_id)
|
|
|
|
musicbrainz_artist_id = get_string(claims, 'P434')
|
|
if musicbrainz_artist_id is not None:
|
|
add_url(urls,
|
|
'MusicBrainz',
|
|
'http://musicbrainz.org/artist/'
|
|
+ musicbrainz_artist_id)
|
|
|
|
musicbrainz_release_group_id = get_string(claims, 'P436')
|
|
if musicbrainz_release_group_id is not None:
|
|
add_url(urls,
|
|
'MusicBrainz',
|
|
'http://musicbrainz.org/release-group/'
|
|
+ musicbrainz_release_group_id)
|
|
|
|
musicbrainz_label_id = get_string(claims, 'P966')
|
|
if musicbrainz_label_id is not None:
|
|
add_url(urls,
|
|
'MusicBrainz',
|
|
'http://musicbrainz.org/label/'
|
|
+ musicbrainz_label_id)
|
|
|
|
# musicbrainz_area_id = get_string(claims, 'P982')
|
|
# P1407 MusicBrainz series ID
|
|
# P1004 MusicBrainz place ID
|
|
# P1330 MusicBrainz instrument ID
|
|
# P1407 MusicBrainz series ID
|
|
|
|
postal_code = get_string(claims, 'P281', None)
|
|
if postal_code is not None:
|
|
attributes.append({'label': 'Postal code(s)', 'value': postal_code})
|
|
|
|
date_of_birth = get_time(claims, 'P569', locale, None)
|
|
if date_of_birth is not None:
|
|
attributes.append({'label': 'Date of birth', 'value': date_of_birth})
|
|
|
|
date_of_death = get_time(claims, 'P570', locale, None)
|
|
if date_of_death is not None:
|
|
attributes.append({'label': 'Date of death', 'value': date_of_death})
|
|
|
|
if len(attributes) == 0 and len(urls) == 2 and len(description) == 0:
|
|
results.append({
|
|
'url': urls[0]['url'],
|
|
'title': title,
|
|
'content': description
|
|
})
|
|
else:
|
|
results.append({
|
|
'infobox': title,
|
|
'id': wikipedia_en_link,
|
|
'content': description,
|
|
'attributes': attributes,
|
|
'urls': urls
|
|
})
|
|
|
|
return results
|
|
|
|
|
|
def add_url(urls, title, url):
|
|
if url is not None:
|
|
urls.append({'title': title, 'url': url})
|
|
return 1
|
|
else:
|
|
return 0
|
|
|
|
|
|
def get_mainsnak(claims, propertyName):
|
|
propValue = claims.get(propertyName, {})
|
|
if len(propValue) == 0:
|
|
return None
|
|
|
|
propValue = propValue[0].get('mainsnak', None)
|
|
return propValue
|
|
|
|
|
|
def get_string(claims, propertyName, defaultValue=None):
|
|
propValue = claims.get(propertyName, {})
|
|
if len(propValue) == 0:
|
|
return defaultValue
|
|
|
|
result = []
|
|
for e in propValue:
|
|
mainsnak = e.get('mainsnak', {})
|
|
|
|
datavalue = mainsnak.get('datavalue', {})
|
|
if datavalue is not None:
|
|
result.append(datavalue.get('value', ''))
|
|
|
|
if len(result) == 0:
|
|
return defaultValue
|
|
else:
|
|
# TODO handle multiple urls
|
|
return result[0]
|
|
|
|
|
|
def get_time(claims, propertyName, locale, defaultValue=None):
|
|
propValue = claims.get(propertyName, {})
|
|
if len(propValue) == 0:
|
|
return defaultValue
|
|
|
|
result = []
|
|
for e in propValue:
|
|
mainsnak = e.get('mainsnak', {})
|
|
|
|
datavalue = mainsnak.get('datavalue', {})
|
|
if datavalue is not None:
|
|
value = datavalue.get('value', '')
|
|
result.append(value.get('time', ''))
|
|
|
|
if len(result) == 0:
|
|
date_string = defaultValue
|
|
else:
|
|
date_string = ', '.join(result)
|
|
|
|
try:
|
|
parsed_date = datetime.strptime(date_string, "+%Y-%m-%dT%H:%M:%SZ")
|
|
except:
|
|
if date_string.startswith('-'):
|
|
return date_string.split('T')[0]
|
|
try:
|
|
parsed_date = dateutil_parse(date_string, fuzzy=False, default=False)
|
|
except:
|
|
logger.debug('could not parse date %s', date_string)
|
|
return date_string.split('T')[0]
|
|
|
|
return format_date_by_locale(parsed_date, locale)
|
|
|
|
|
|
def get_geolink(claims, propertyName, defaultValue=''):
|
|
mainsnak = get_mainsnak(claims, propertyName)
|
|
|
|
if mainsnak is None:
|
|
return defaultValue
|
|
|
|
datatype = mainsnak.get('datatype', '')
|
|
datavalue = mainsnak.get('datavalue', {})
|
|
|
|
if datatype != 'globe-coordinate':
|
|
return defaultValue
|
|
|
|
value = datavalue.get('value', {})
|
|
|
|
precision = value.get('precision', 0.0002)
|
|
|
|
# there is no zoom information, deduce from precision (error prone)
|
|
# samples :
|
|
# 13 --> 5
|
|
# 1 --> 6
|
|
# 0.016666666666667 --> 9
|
|
# 0.00027777777777778 --> 19
|
|
# wolframalpha :
|
|
# quadratic fit { {13, 5}, {1, 6}, {0.0166666, 9}, {0.0002777777,19}}
|
|
# 14.1186-8.8322 x+0.625447 x^2
|
|
if precision < 0.0003:
|
|
zoom = 19
|
|
else:
|
|
zoom = int(15 - precision*8.8322 + precision*precision*0.625447)
|
|
|
|
url = url_map\
|
|
.replace('{latitude}', str(value.get('latitude', 0)))\
|
|
.replace('{longitude}', str(value.get('longitude', 0)))\
|
|
.replace('{zoom}', str(zoom))
|
|
|
|
return url
|
|
|
|
|
|
def get_wikilink(result, wikiid):
|
|
url = result.get('sitelinks', {}).get(wikiid, {}).get('url', None)
|
|
if url is None:
|
|
return url
|
|
elif url.startswith('http://'):
|
|
url = url.replace('http://', 'https://')
|
|
elif url.startswith('//'):
|
|
url = 'https:' + url
|
|
return url
|
|
|
|
|
|
def get_wiki_firstlanguage(result, wikipatternid):
|
|
for k in result.get('sitelinks', {}).keys():
|
|
if k.endswith(wikipatternid) and len(k) == (2+len(wikipatternid)):
|
|
return k[0:2]
|
|
return None
|