mirror of https://github.com/searxng/searxng.git
153 lines
3.9 KiB
Python
153 lines
3.9 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""This module implements functions needed for the autocompleter.
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"""
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from json import loads
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from urllib.parse import urlencode
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from lxml import etree
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from httpx import HTTPError
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from searx import settings
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from searx.data import ENGINES_LANGUAGES
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from searx.network import get as http_get
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from searx.exceptions import SearxEngineResponseException
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# a fetch_supported_languages() for XPath engines isn't available right now
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# _brave = ENGINES_LANGUAGES['brave'].keys()
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def get(*args, **kwargs):
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if 'timeout' not in kwargs:
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kwargs['timeout'] = settings['outgoing']['request_timeout']
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kwargs['raise_for_httperror'] = True
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return http_get(*args, **kwargs)
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def brave(query, _lang):
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# brave search autocompleter
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url = 'https://search.brave.com/api/suggest?'
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url += urlencode({'q': query})
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country = 'all'
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# if lang in _brave:
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# country = lang
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kwargs = {'cookies': {'country': country}}
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resp = get(url, **kwargs)
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results = []
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if resp.ok:
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data = resp.json()
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for item in data[1]:
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results.append(item)
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return results
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def dbpedia(query, _lang):
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# dbpedia autocompleter, no HTTPS
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autocomplete_url = 'https://lookup.dbpedia.org/api/search.asmx/KeywordSearch?'
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response = get(autocomplete_url + urlencode(dict(QueryString=query)))
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results = []
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if response.ok:
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dom = etree.fromstring(response.content)
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results = dom.xpath('//Result/Label//text()')
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return results
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def duckduckgo(query, _lang):
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# duckduckgo autocompleter
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url = 'https://ac.duckduckgo.com/ac/?{0}&type=list'
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resp = loads(get(url.format(urlencode(dict(q=query)))).text)
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if len(resp) > 1:
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return resp[1]
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return []
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def google(query, lang):
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# google autocompleter
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autocomplete_url = 'https://suggestqueries.google.com/complete/search?client=toolbar&'
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response = get(autocomplete_url + urlencode(dict(hl=lang, q=query)))
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results = []
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if response.ok:
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dom = etree.fromstring(response.text)
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results = dom.xpath('//suggestion/@data')
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return results
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def startpage(query, lang):
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# startpage autocompleter
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lui = ENGINES_LANGUAGES['startpage'].get(lang, 'english')
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url = 'https://startpage.com/suggestions?{query}'
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resp = get(url.format(query=urlencode({'q': query, 'segment': 'startpage.udog', 'lui': lui})))
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data = resp.json()
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return [e['text'] for e in data.get('suggestions', []) if 'text' in e]
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def swisscows(query, _lang):
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# swisscows autocompleter
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url = 'https://swisscows.ch/api/suggest?{query}&itemsCount=5'
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resp = loads(get(url.format(query=urlencode({'query': query}))).text)
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return resp
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def qwant(query, lang):
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# qwant autocompleter (additional parameter : lang=en_en&count=xxx )
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url = 'https://api.qwant.com/api/suggest?{query}'
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resp = get(url.format(query=urlencode({'q': query, 'lang': lang})))
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results = []
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if resp.ok:
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data = loads(resp.text)
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if data['status'] == 'success':
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for item in data['data']['items']:
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results.append(item['value'])
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return results
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def wikipedia(query, lang):
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# wikipedia autocompleter
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url = 'https://' + lang + '.wikipedia.org/w/api.php?action=opensearch&{0}&limit=10&namespace=0&format=json'
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resp = loads(get(url.format(urlencode(dict(search=query)))).text)
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if len(resp) > 1:
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return resp[1]
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return []
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backends = {
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'dbpedia': dbpedia,
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'duckduckgo': duckduckgo,
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'google': google,
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'startpage': startpage,
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'swisscows': swisscows,
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'qwant': qwant,
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'wikipedia': wikipedia,
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'brave': brave,
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}
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def search_autocomplete(backend_name, query, lang):
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backend = backends.get(backend_name)
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if backend is None:
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return []
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try:
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return backend(query, lang)
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except (HTTPError, SearxEngineResponseException):
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return []
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