mirror of
https://github.com/searxng/searxng.git
synced 2024-11-19 19:00:10 +01:00
[fix] fix searx_extra/update/update_engine_descriptions.py
write ouput in searx/data/engine_descriptions.json instead of stdout use the wikipedia engine to fetch the wikipedia descriptions (for example use tl.wikipedia.org for the Filipino language)
This commit is contained in:
Alexandre Flament
parent
8961131497
commit
f8d5fe0f11
@ -1,15 +1,19 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
import sys
|
||||
import json
|
||||
from urllib.parse import quote, urlparse
|
||||
import detect_language
|
||||
from urllib.parse import urlparse
|
||||
from os.path import join
|
||||
|
||||
from lxml.html import fromstring
|
||||
|
||||
from langdetect import detect_langs
|
||||
from langdetect.lang_detect_exception import LangDetectException
|
||||
|
||||
from searx.engines import wikidata, set_loggers
|
||||
from searx.utils import extract_text
|
||||
from searx.utils import extract_text, match_language
|
||||
from searx.locales import LOCALE_NAMES
|
||||
import searx
|
||||
from searx import searx_dir
|
||||
from searx.utils import gen_useragent
|
||||
import searx.search
|
||||
import searx.network
|
||||
|
||||
@ -18,6 +22,7 @@ set_loggers(wikidata, 'wikidata')
|
||||
SPARQL_WIKIPEDIA_ARTICLE = """
|
||||
SELECT DISTINCT ?item ?name
|
||||
WHERE {
|
||||
hint:Query hint:optimizer "None".
|
||||
VALUES ?item { %IDS% }
|
||||
?article schema:about ?item ;
|
||||
schema:inLanguage ?lang ;
|
||||
@ -38,8 +43,23 @@ WHERE {
|
||||
ORDER BY ?itemLang
|
||||
"""
|
||||
|
||||
NOT_A_DESCRIPTION = [
|
||||
'web site',
|
||||
'site web',
|
||||
'komputa serĉilo',
|
||||
'interreta serĉilo',
|
||||
'bilaketa motor',
|
||||
'web search engine',
|
||||
'wikimedia täpsustuslehekülg',
|
||||
]
|
||||
|
||||
SKIP_ENGINE_SOURCE = [
|
||||
('gitlab', 'wikidata') # descriptions are about wikipedia disambiguation pages
|
||||
]
|
||||
|
||||
LANGUAGES = LOCALE_NAMES.keys()
|
||||
LANGUAGES_SPARQL = ', '.join(set(map(lambda l: repr(l.split('_')[0]), LANGUAGES)))
|
||||
WIKIPEDIA_LANGUAGES = {'language': 'wikipedia_language'}
|
||||
LANGUAGES_SPARQL = ''
|
||||
IDS = None
|
||||
|
||||
descriptions = {}
|
||||
@ -54,15 +74,30 @@ def normalize_description(description):
|
||||
|
||||
|
||||
def update_description(engine_name, lang, description, source, replace=True):
|
||||
if not isinstance(description, str):
|
||||
return
|
||||
description = normalize_description(description)
|
||||
if description.lower() == engine_name.lower():
|
||||
return
|
||||
if description.lower() in NOT_A_DESCRIPTION:
|
||||
return
|
||||
if (engine_name, source) in SKIP_ENGINE_SOURCE:
|
||||
return
|
||||
if ' ' not in description:
|
||||
# skip unique word description (like "website")
|
||||
return
|
||||
if replace or lang not in descriptions[engine_name]:
|
||||
descriptions[engine_name][lang] = [normalize_description(description), source]
|
||||
descriptions[engine_name][lang] = [description, source]
|
||||
|
||||
|
||||
def get_wikipedia_summary(language, pageid):
|
||||
search_url = 'https://{language}.wikipedia.org/api/rest_v1/page/summary/{title}'
|
||||
url = search_url.format(title=quote(pageid), language=language)
|
||||
def get_wikipedia_summary(lang, pageid):
|
||||
params = {
|
||||
'language': lang.replace('_','-'),
|
||||
'headers': {}
|
||||
}
|
||||
searx.engines.engines['wikipedia'].request(pageid, params)
|
||||
try:
|
||||
response = searx.network.get(url)
|
||||
response = searx.network.get(params['url'], headers=params['headers'], timeout=10)
|
||||
response.raise_for_status()
|
||||
api_result = json.loads(response.text)
|
||||
return api_result.get('extract')
|
||||
@ -71,15 +106,19 @@ def get_wikipedia_summary(language, pageid):
|
||||
|
||||
|
||||
def detect_language(text):
|
||||
r = cld3.get_language(str(text)) # pylint: disable=E1101
|
||||
if r is not None and r.probability >= 0.98 and r.is_reliable:
|
||||
return r.language
|
||||
try:
|
||||
r = detect_langs(str(text)) # pylint: disable=E1101
|
||||
except LangDetectException:
|
||||
return None
|
||||
|
||||
if len(r) > 0 and r[0].prob > 0.95:
|
||||
return r[0].lang
|
||||
return None
|
||||
|
||||
|
||||
def get_website_description(url, lang1, lang2=None):
|
||||
headers = {
|
||||
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0',
|
||||
'User-Agent': gen_useragent(),
|
||||
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
|
||||
'DNT': '1',
|
||||
'Upgrade-Insecure-Requests': '1',
|
||||
@ -117,8 +156,15 @@ def get_website_description(url, lang1, lang2=None):
|
||||
|
||||
|
||||
def initialize():
|
||||
global descriptions, wd_to_engine_name, IDS
|
||||
global IDS, WIKIPEDIA_LANGUAGES, LANGUAGES_SPARQL
|
||||
searx.search.initialize()
|
||||
wikipedia_engine = searx.engines.engines['wikipedia']
|
||||
WIKIPEDIA_LANGUAGES = {
|
||||
language: wikipedia_engine.url_lang(language.replace('_', '-'))
|
||||
for language in LANGUAGES
|
||||
}
|
||||
WIKIPEDIA_LANGUAGES['nb_NO'] = 'no'
|
||||
LANGUAGES_SPARQL = ', '.join(f"'{l}'" for l in set(WIKIPEDIA_LANGUAGES.values()))
|
||||
for engine_name, engine in searx.engines.engines.items():
|
||||
descriptions[engine_name] = {}
|
||||
wikidata_id = getattr(engine, "about", {}).get('wikidata_id')
|
||||
@ -129,7 +175,7 @@ def initialize():
|
||||
|
||||
|
||||
def fetch_wikidata_descriptions():
|
||||
global IDS
|
||||
searx.network.set_timeout_for_thread(60)
|
||||
result = wikidata.send_wikidata_query(
|
||||
SPARQL_DESCRIPTION
|
||||
.replace('%IDS%', IDS)
|
||||
@ -138,15 +184,15 @@ def fetch_wikidata_descriptions():
|
||||
if result is not None:
|
||||
for binding in result['results']['bindings']:
|
||||
wikidata_id = binding['item']['value'].replace('http://www.wikidata.org/entity/', '')
|
||||
lang = binding['itemDescription']['xml:lang']
|
||||
wikidata_lang = binding['itemDescription']['xml:lang']
|
||||
description = binding['itemDescription']['value']
|
||||
if ' ' in description: # skip unique word description (like "website")
|
||||
for engine_name in wd_to_engine_name[wikidata_id]:
|
||||
update_description(engine_name, lang, description, 'wikidata')
|
||||
for engine_name in wd_to_engine_name[wikidata_id]:
|
||||
for lang in LANGUAGES:
|
||||
if WIKIPEDIA_LANGUAGES[lang] == wikidata_lang:
|
||||
update_description(engine_name, lang, description, 'wikidata')
|
||||
|
||||
|
||||
def fetch_wikipedia_descriptions():
|
||||
global IDS
|
||||
result = wikidata.send_wikidata_query(
|
||||
SPARQL_WIKIPEDIA_ARTICLE
|
||||
.replace('%IDS%', IDS)
|
||||
@ -155,12 +201,13 @@ def fetch_wikipedia_descriptions():
|
||||
if result is not None:
|
||||
for binding in result['results']['bindings']:
|
||||
wikidata_id = binding['item']['value'].replace('http://www.wikidata.org/entity/', '')
|
||||
lang = binding['name']['xml:lang']
|
||||
wikidata_lang = binding['name']['xml:lang']
|
||||
pageid = binding['name']['value']
|
||||
description = get_wikipedia_summary(lang, pageid)
|
||||
if description is not None and ' ' in description:
|
||||
for engine_name in wd_to_engine_name[wikidata_id]:
|
||||
update_description(engine_name, lang, description, 'wikipedia')
|
||||
for engine_name in wd_to_engine_name[wikidata_id]:
|
||||
for lang in LANGUAGES:
|
||||
if WIKIPEDIA_LANGUAGES[lang] == wikidata_lang:
|
||||
description = get_wikipedia_summary(lang, pageid)
|
||||
update_description(engine_name, lang, description, 'wikipedia')
|
||||
|
||||
|
||||
def normalize_url(url):
|
||||
@ -173,36 +220,96 @@ def normalize_url(url):
|
||||
def fetch_website_description(engine_name, website):
|
||||
default_lang, default_description = get_website_description(website, None, None)
|
||||
if default_lang is None or default_description is None:
|
||||
# the front page can't be fetched: skip this engine
|
||||
return
|
||||
if default_lang not in descriptions[engine_name]:
|
||||
descriptions[engine_name][default_lang] = [normalize_description(default_description), website]
|
||||
for request_lang in ('en-US', 'es-US', 'fr-FR', 'zh', 'ja', 'ru', 'ar', 'ko'):
|
||||
if request_lang.split('-')[0] not in descriptions[engine_name]:
|
||||
lang, desc = get_website_description(website, request_lang, request_lang.split('-')[0])
|
||||
if desc is not None and desc != default_description:
|
||||
update_description(engine_name, lang, desc, website, replace=False)
|
||||
|
||||
wikipedia_languages_r = { V: K for K, V in WIKIPEDIA_LANGUAGES.items() }
|
||||
languages = ['en', 'es', 'pt', 'ru', 'tr', 'fr']
|
||||
languages = languages + [ l for l in LANGUAGES if l not in languages]
|
||||
|
||||
previous_matched_lang = None
|
||||
previous_count = 0
|
||||
for lang in languages:
|
||||
if lang not in descriptions[engine_name]:
|
||||
fetched_lang, desc = get_website_description(website, lang, WIKIPEDIA_LANGUAGES[lang])
|
||||
if fetched_lang is None or desc is None:
|
||||
continue
|
||||
matched_lang = match_language(fetched_lang, LANGUAGES, fallback=None)
|
||||
if matched_lang is None:
|
||||
fetched_wikipedia_lang = match_language(fetched_lang, WIKIPEDIA_LANGUAGES.values(), fallback=None)
|
||||
matched_lang = wikipedia_languages_r.get(fetched_wikipedia_lang)
|
||||
if matched_lang is not None:
|
||||
update_description(engine_name, matched_lang, desc, website, replace=False)
|
||||
# check if desc changed with the different lang values
|
||||
if matched_lang == previous_matched_lang:
|
||||
previous_count += 1
|
||||
if previous_count == 6:
|
||||
# the website has returned the same description for 6 different languages in Accept-Language header
|
||||
# stop now
|
||||
break
|
||||
else:
|
||||
break
|
||||
previous_matched_lang = matched_lang
|
||||
previous_count = 0
|
||||
|
||||
|
||||
def fetch_website_descriptions():
|
||||
for engine_name, engine in searx.engines.engines.items():
|
||||
website = getattr(engine, "about", {}).get('website')
|
||||
if website is None:
|
||||
if website is None and hasattr(engine, "search_url"):
|
||||
website = normalize_url(getattr(engine, "search_url"))
|
||||
if website is None:
|
||||
if website is None and hasattr(engine, "base_url"):
|
||||
website = normalize_url(getattr(engine, "base_url"))
|
||||
if website is not None:
|
||||
fetch_website_description(engine_name, website)
|
||||
|
||||
|
||||
def get_engine_descriptions_filename():
|
||||
return join(join(searx_dir, "data"), "engine_descriptions.json")
|
||||
|
||||
|
||||
def get_output():
|
||||
"""
|
||||
From descriptions[engine][language] = [description, source]
|
||||
To
|
||||
|
||||
* output[language][engine] = description_and_source
|
||||
* description_and_source can be:
|
||||
* [description, source]
|
||||
* description (if source = "wikipedia")
|
||||
* [f"engine:lang", "ref"] (reference to another existing description)
|
||||
"""
|
||||
output = {
|
||||
locale: {} for locale in LOCALE_NAMES
|
||||
}
|
||||
|
||||
seen_descriptions = {}
|
||||
|
||||
for engine_name, lang_descriptions in descriptions.items():
|
||||
for language, description in lang_descriptions.items():
|
||||
if description[0] in seen_descriptions:
|
||||
ref = seen_descriptions[description[0]]
|
||||
description = [f'{ref[0]}:{ref[1]}', 'ref']
|
||||
else:
|
||||
seen_descriptions[description[0]] = (engine_name, language)
|
||||
if description[1] == 'wikipedia':
|
||||
description = description[0]
|
||||
output.setdefault(language, {}).setdefault(engine_name, description)
|
||||
|
||||
return output
|
||||
|
||||
|
||||
def main():
|
||||
initialize()
|
||||
print('Fetching wikidata descriptions')
|
||||
fetch_wikidata_descriptions()
|
||||
print('Fetching wikipedia descriptions')
|
||||
fetch_wikipedia_descriptions()
|
||||
print('Fetching website descriptions')
|
||||
fetch_website_descriptions()
|
||||
|
||||
sys.stdout.write(json.dumps(descriptions, indent=1, separators=(',', ':'), ensure_ascii=False))
|
||||
output = get_output()
|
||||
with open(get_engine_descriptions_filename(), 'w', encoding='utf8') as f:
|
||||
f.write(json.dumps(output, indent=1, separators=(',', ':'), ensure_ascii=False))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
|
||||
Loading…
Reference in New Issue
Block a user