forked from zaclys/searxng
[fix] searxng_extra/update/update_engine_descriptions.py (part 2)
Wikipedia description are fetched without the help the wikipedia engine: * the SQPARL query return the wikipedia URL of the article
This commit is contained in:
Alexandre FLAMENT
Markus Heiser
parent
a8fb6dffb2
commit
bb5db079c7
@ -18,7 +18,7 @@ from os.path import join
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from lxml.html import fromstring
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from searx.engines import wikidata, set_loggers
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from searx.utils import extract_text
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from searx.utils import extract_text, searx_useragent
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from searx.locales import LOCALE_NAMES, locales_initialize, match_locale
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from searx import searx_dir
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from searx.utils import gen_useragent, detect_language
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@ -28,8 +28,12 @@ import searx.network
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set_loggers(wikidata, 'wikidata')
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locales_initialize()
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# you can run the query in https://query.wikidata.org
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# replace %IDS% by Wikidata entities separated by spaces with the prefix wd:
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# for example wd:Q182496 wd:Q1540899
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# replace %LANGUAGES_SPARQL% by languages
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SPARQL_WIKIPEDIA_ARTICLE = """
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SELECT DISTINCT ?item ?name
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SELECT DISTINCT ?item ?name ?article ?lang
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WHERE {
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hint:Query hint:optimizer "None".
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VALUES ?item { %IDS% }
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@ -40,6 +44,7 @@ WHERE {
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FILTER(?lang in (%LANGUAGES_SPARQL%)) .
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FILTER (!CONTAINS(?name, ':')) .
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}
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ORDER BY ?item ?lang
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"""
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SPARQL_DESCRIPTION = """
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@ -69,10 +74,11 @@ SKIP_ENGINE_SOURCE = [
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# fmt: on
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]
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LANGUAGES = LOCALE_NAMES.keys()
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WIKIPEDIA_LANGUAGES = {} # {'<sxng-ui-lang>': '<wikipedia_language>'}
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WIKIPEDIA_LANGUAGES = {}
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LANGUAGES_SPARQL = ''
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IDS = None
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WIKIPEDIA_LANGUAGE_VARIANTS = {'zh_Hant': 'zh-tw'}
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descriptions = {}
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wd_to_engine_name = {}
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@ -102,16 +108,31 @@ def update_description(engine_name, lang, description, source, replace=True):
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descriptions[engine_name][lang] = [description, source]
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def get_wikipedia_summary(lang, pageid):
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params = {'searxng_locale': lang.replace('_', '-'), 'headers': {}}
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searx.engines.engines['wikipedia'].request(pageid, params)
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def get_wikipedia_summary(wikipedia_url, searxng_locale):
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# get the REST API URL from the HTML URL
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# Headers
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headers = {'User-Agent': searx_useragent()}
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if searxng_locale in WIKIPEDIA_LANGUAGE_VARIANTS:
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headers['Accept-Language'] = WIKIPEDIA_LANGUAGE_VARIANTS.get(searxng_locale)
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# URL path : from HTML URL to REST API URL
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parsed_url = urlparse(wikipedia_url)
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# remove the /wiki/ prefix
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article_name = parsed_url.path.split('/wiki/')[1]
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# article_name is already encoded but not the / which is required for the REST API call
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encoded_article_name = article_name.replace('/', '%2F')
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path = '/api/rest_v1/page/summary/' + encoded_article_name
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wikipedia_rest_url = parsed_url._replace(path=path).geturl()
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try:
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response = searx.network.get(params['url'], headers=params['headers'], timeout=10)
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response = searx.network.get(wikipedia_rest_url, headers=headers, timeout=10)
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response.raise_for_status()
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api_result = json.loads(response.text)
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return api_result.get('extract')
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except Exception: # pylint: disable=broad-except
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except Exception as e: # pylint: disable=broad-except
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print(" ", wikipedia_url, e)
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return None
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api_result = json.loads(response.text)
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return api_result.get('extract')
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def get_website_description(url, lang1, lang2=None):
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@ -159,7 +180,7 @@ def initialize():
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wikipedia_engine = searx.engines.engines['wikipedia']
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locale2lang = {'nl-BE': 'nl'}
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for sxng_ui_lang in LANGUAGES:
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for sxng_ui_lang in LOCALE_NAMES:
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sxng_ui_alias = locale2lang.get(sxng_ui_lang, sxng_ui_lang)
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wiki_lang = None
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@ -195,11 +216,14 @@ def fetch_wikidata_descriptions():
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wikidata_lang = binding['itemDescription']['xml:lang']
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desc = binding['itemDescription']['value']
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for engine_name in wd_to_engine_name[wikidata_id]:
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for lang in LANGUAGES:
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if WIKIPEDIA_LANGUAGES[lang] != wikidata_lang:
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for searxng_locale in LOCALE_NAMES:
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if WIKIPEDIA_LANGUAGES[searxng_locale] != wikidata_lang:
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continue
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print(f" engine: {engine_name} / wikidata_lang: {wikidata_lang} / len(desc): {len(desc)}")
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update_description(engine_name, lang, desc, 'wikidata')
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print(
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f" engine: {engine_name:20} / wikidata_lang: {wikidata_lang:5}",
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f"/ len(wikidata_desc): {len(desc)}",
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)
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update_description(engine_name, searxng_locale, desc, 'wikidata')
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def fetch_wikipedia_descriptions():
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@ -211,16 +235,19 @@ def fetch_wikipedia_descriptions():
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for binding in result['results']['bindings']:
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wikidata_id = binding['item']['value'].replace('http://www.wikidata.org/entity/', '')
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wikidata_lang = binding['name']['xml:lang']
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pageid = binding['name']['value']
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wikipedia_url = binding['article']['value'] # for example the URL https://de.wikipedia.org/wiki/PubMed
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for engine_name in wd_to_engine_name[wikidata_id]:
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for lang in LANGUAGES:
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if WIKIPEDIA_LANGUAGES[lang] != wikidata_lang:
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for searxng_locale in LOCALE_NAMES:
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if WIKIPEDIA_LANGUAGES[searxng_locale] != wikidata_lang:
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continue
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desc = get_wikipedia_summary(lang, pageid)
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desc = get_wikipedia_summary(wikipedia_url, searxng_locale)
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if not desc:
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continue
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print(f" engine: {engine_name} / wikidata_lang: {wikidata_lang} / len(desc): {len(desc)}")
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update_description(engine_name, lang, desc, 'wikipedia')
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print(
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f" engine: {engine_name:20} / wikidata_lang: {wikidata_lang:5}",
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f"/ len(wikipedia_desc): {len(desc)}",
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)
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update_description(engine_name, searxng_locale, desc, 'wikipedia')
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def normalize_url(url):
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@ -241,7 +268,7 @@ def fetch_website_description(engine_name, website):
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# to specify an order in where the most common languages are in front of the
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# language list ..
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languages = ['en', 'es', 'pt', 'ru', 'tr', 'fr']
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languages = languages + [l for l in LANGUAGES if l not in languages]
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languages = languages + [l for l in LOCALE_NAMES if l not in languages]
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previous_matched_lang = None
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previous_count = 0
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@ -279,7 +306,7 @@ def fetch_website_description(engine_name, website):
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f" / fetched lang: {fetched_lang:7} / len(desc): {len(desc)}"
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)
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matched_lang = match_locale(fetched_lang, LANGUAGES, fallback=lang)
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matched_lang = match_locale(fetched_lang, LOCALE_NAMES.keys(), fallback=lang)
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update_description(engine_name, matched_lang, desc, website, replace=False)
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