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[mod] Archlinux Wiki: improved request API & upgrade to data_type: traits_v1
re-implementation of the Archlinux Wiki: - fetch_traits(): fetch languages, wiki URLs and title arguments - add content field to the result list - add documentation Wikis from wiki.archlinux.fr, wiki.archlinux.ro, archtr.org/wiki do no longer exists (has been merged in the main wiki). Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
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Markus Heiser
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9
docs/src/searx.engine.archlinux.rst
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9
docs/src/searx.engine.archlinux.rst
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@ -0,0 +1,9 @@
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.. _archlinux engine:
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==========
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Arch Linux
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==========
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.. automodule:: searx.engines.archlinux
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:members:
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@ -1,4 +1,57 @@
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{
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"arch linux wiki": {
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"all_locale": null,
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"custom": {
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"title": {
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"de": "Spezial:Suche",
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"fa": "\u0648\u06cc\u0698\u0647:\u062c\u0633\u062a\u062c\u0648",
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"ja": "\u7279\u5225:\u691c\u7d22",
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"zh": "Special:\u641c\u7d22"
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},
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"wiki_netloc": {
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"de": "wiki.archlinux.de",
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"fa": "wiki.archusers.ir",
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"ja": "wiki.archlinux.jp",
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"zh": "wiki.archlinuxcn.org"
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}
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},
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"data_type": "traits_v1",
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"languages": {
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"ar": "\u0627\u0644\u0639\u0631\u0628\u064a\u0629",
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"bg": "\u0411\u044a\u043b\u0433\u0430\u0440\u0441\u043a\u0438",
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"bs": "Bosanski",
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"cs": "\u010ce\u0161tina",
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"da": "Dansk",
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"de": "Deutsch",
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"el": "\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac",
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"en": "English",
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"es": "Espa\u00f1ol",
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"fa": "\u0641\u0627\u0631\u0633\u06cc",
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"fi": "Suomi",
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"fr": "Fran\u00e7ais",
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"he": "\u05e2\u05d1\u05e8\u05d9\u05ea",
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"hr": "Hrvatski",
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"hu": "Magyar",
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"id": "Bahasa Indonesia",
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"it": "Italiano",
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"ja": "\u65e5\u672c\u8a9e",
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"ko": "\ud55c\uad6d\uc5b4",
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"lt": "Lietuvi\u0173",
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"nl": "Nederlands",
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"pl": "Polski",
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"pt": "Portugu\u00eas",
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"ru": "\u0420\u0443\u0441\u0441\u043a\u0438\u0439",
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"sk": "Sloven\u010dina",
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"sr": "\u0421\u0440\u043f\u0441\u043a\u0438 / srpski",
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"sv": "Svenska",
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"th": "\u0e44\u0e17\u0e22",
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"tr": "T\u00fcrk\u00e7e",
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"uk": "\u0423\u043a\u0440\u0430\u0457\u043d\u0441\u044c\u043a\u0430",
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"zh": "\u4e2d\u6587\uff08\u7e41\u9ad4\uff09"
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},
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"regions": {},
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"supported_languages": {}
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},
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"bing": {
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"all_locale": null,
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"custom": {},
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@ -1,15 +1,32 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""
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Arch Linux Wiki
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Arch Linux Wiki
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~~~~~~~~~~~~~~~
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This implementation does not use a official API: Mediawiki provides API, but
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Arch Wiki blocks access to it.
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API: Mediawiki provides API, but Arch Wiki blocks access to it
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"""
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from urllib.parse import urlencode, urljoin
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from lxml import html
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from typing import TYPE_CHECKING
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from urllib.parse import urlencode, urljoin, urlparse
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import lxml
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import babel
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from searx import network
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from searx.utils import extract_text, eval_xpath_list, eval_xpath_getindex
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from searx.enginelib.traits import EngineTraits
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from searx.locales import language_tag
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if TYPE_CHECKING:
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import logging
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logger: logging.Logger
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traits: EngineTraits
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# about
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about = {
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"website": 'https://wiki.archlinux.org/',
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"wikidata_id": 'Q101445877',
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@ -22,125 +39,113 @@ about = {
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# engine dependent config
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categories = ['it', 'software wikis']
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paging = True
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base_url = 'https://wiki.archlinux.org'
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# xpath queries
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xpath_results = '//ul[@class="mw-search-results"]/li'
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xpath_link = './/div[@class="mw-search-result-heading"]/a'
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main_wiki = 'wiki.archlinux.org'
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# cut 'en' from 'en-US', 'de' from 'de-CH', and so on
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def locale_to_lang_code(locale):
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if locale.find('-') >= 0:
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locale = locale.split('-')[0]
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return locale
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# wikis for some languages were moved off from the main site, we need to make
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# requests to correct URLs to be able to get results in those languages
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lang_urls = {
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# fmt: off
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'all': {
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'base': 'https://wiki.archlinux.org',
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'search': '/index.php?title=Special:Search&offset={offset}&{query}'
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},
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'de': {
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'base': 'https://wiki.archlinux.de',
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'search': '/index.php?title=Spezial:Suche&offset={offset}&{query}'
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},
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'fr': {
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'base': 'https://wiki.archlinux.fr',
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'search': '/index.php?title=Spécial:Recherche&offset={offset}&{query}'
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},
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'ja': {
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'base': 'https://wiki.archlinuxjp.org',
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'search': '/index.php?title=特別:検索&offset={offset}&{query}'
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},
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'ro': {
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'base': 'http://wiki.archlinux.ro',
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'search': '/index.php?title=Special:Căutare&offset={offset}&{query}'
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},
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'tr': {
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'base': 'http://archtr.org/wiki',
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'search': '/index.php?title=Özel:Ara&offset={offset}&{query}'
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}
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# fmt: on
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}
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# get base & search URLs for selected language
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def get_lang_urls(language):
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if language in lang_urls:
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return lang_urls[language]
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return lang_urls['all']
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# Language names to build search requests for
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# those languages which are hosted on the main site.
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main_langs = {
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'ar': 'العربية',
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'bg': 'Български',
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'cs': 'Česky',
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'da': 'Dansk',
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'el': 'Ελληνικά',
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'es': 'Español',
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'he': 'עברית',
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'hr': 'Hrvatski',
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'hu': 'Magyar',
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'it': 'Italiano',
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'ko': '한국어',
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'lt': 'Lietuviškai',
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'nl': 'Nederlands',
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'pl': 'Polski',
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'pt': 'Português',
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'ru': 'Русский',
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'sl': 'Slovenský',
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'th': 'ไทย',
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'uk': 'Українська',
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'zh': '简体中文',
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}
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supported_languages = dict(lang_urls, **main_langs)
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# do search-request
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def request(query, params):
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# translate the locale (e.g. 'en-US') to language code ('en')
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language = locale_to_lang_code(params['language'])
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# if our language is hosted on the main site, we need to add its name
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# to the query in order to narrow the results to that language
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if language in main_langs:
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query += ' (' + main_langs[language] + ')'
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# prepare the request parameters
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query = urlencode({'search': query})
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sxng_lang = params['searxng_locale'].split('-')[0]
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netloc = traits.custom['wiki_netloc'].get(sxng_lang, main_wiki)
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title = traits.custom['title'].get(sxng_lang, 'Special:Search')
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base_url = 'https://' + netloc + '/index.php?'
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offset = (params['pageno'] - 1) * 20
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# get request URLs for our language of choice
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urls = get_lang_urls(language)
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search_url = urls['base'] + urls['search']
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if netloc == main_wiki:
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eng_lang: str = traits.get_language(sxng_lang, 'English')
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query += ' (' + eng_lang + ')'
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elif netloc == 'wiki.archlinuxcn.org':
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base_url = 'https://' + netloc + '/wzh/index.php?'
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params['url'] = search_url.format(query=query, offset=offset)
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args = {
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'search': query,
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'title': title,
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'limit': 20,
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'offset': offset,
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'profile': 'default',
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}
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params['url'] = base_url + urlencode(args)
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return params
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# get response from search-request
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def response(resp):
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# get the base URL for the language in which request was made
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language = locale_to_lang_code(resp.search_params['language'])
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base_url = get_lang_urls(language)['base']
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results = []
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dom = lxml.html.fromstring(resp.text)
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dom = html.fromstring(resp.text)
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# get the base URL for the language in which request was made
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sxng_lang = resp.search_params['searxng_locale'].split('-')[0]
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netloc = traits.custom['wiki_netloc'].get(sxng_lang, main_wiki)
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base_url = 'https://' + netloc + '/index.php?'
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# parse results
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for result in eval_xpath_list(dom, xpath_results):
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link = eval_xpath_getindex(result, xpath_link, 0)
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href = urljoin(base_url, link.attrib.get('href'))
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title = extract_text(link)
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results.append({'url': href, 'title': title})
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for result in eval_xpath_list(dom, '//ul[@class="mw-search-results"]/li'):
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link = eval_xpath_getindex(result, './/div[@class="mw-search-result-heading"]/a', 0)
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content = extract_text(result.xpath('.//div[@class="searchresult"]'))
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results.append(
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{
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'url': urljoin(base_url, link.get('href')),
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'title': extract_text(link),
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'content': content,
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}
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)
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return results
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def fetch_traits(engine_traits: EngineTraits):
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"""Fetch languages from Archlinix-Wiki. The location of the Wiki address of a
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language is mapped in a :py:obj:`custom field
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<searx.enginelib.traits.EngineTraits.custom>` (``wiki_netloc``). Depending
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on the location, the ``title`` argument in the request is translated.
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.. code:: python
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"custom": {
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"wiki_netloc": {
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"de": "wiki.archlinux.de",
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# ...
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"zh": "wiki.archlinuxcn.org"
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}
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"title": {
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"de": "Spezial:Suche",
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# ...
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"zh": "Special:\u641c\u7d22"
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},
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},
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"""
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engine_traits.custom['wiki_netloc'] = {}
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engine_traits.custom['title'] = {}
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title_map = {
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'de': 'Spezial:Suche',
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'fa': 'ویژه:جستجو',
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'ja': '特別:検索',
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'zh': 'Special:搜索',
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}
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resp = network.get('https://wiki.archlinux.org/')
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if not resp.ok:
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print("ERROR: response from wiki.archlinix.org is not OK.")
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dom = lxml.html.fromstring(resp.text)
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for a in eval_xpath_list(dom, "//a[@class='interlanguage-link-target']"):
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sxng_tag = language_tag(babel.Locale.parse(a.get('lang'), sep='-'))
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# zh_Hans --> zh
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sxng_tag = sxng_tag.split('_')[0]
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netloc = urlparse(a.get('href')).netloc
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if netloc != 'wiki.archlinux.org':
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title = title_map.get(sxng_tag)
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if not title:
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print("ERROR: title tag from %s (%s) is unknown" % (netloc, sxng_tag))
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continue
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engine_traits.custom['wiki_netloc'][sxng_tag] = netloc
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engine_traits.custom['title'][sxng_tag] = title
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eng_tag = extract_text(eval_xpath_list(a, ".//span"))
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engine_traits.languages[sxng_tag] = eng_tag
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engine_traits.languages['en'] = 'English'
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@ -81,6 +81,7 @@ sxng_locales = (
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('ru-RU', 'Русский', 'Россия', 'Russian', '\U0001f1f7\U0001f1fa'),
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('sk', 'Slovenčina', '', 'Slovak', '\U0001f310'),
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('sl', 'Slovenščina', '', 'Slovenian', '\U0001f310'),
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('sr', 'Српски', '', 'Serbian', '\U0001f310'),
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('sv', 'Svenska', '', 'Swedish', '\U0001f310'),
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('sv-SE', 'Svenska', 'Sverige', 'Swedish', '\U0001f1f8\U0001f1ea'),
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('th', 'ไทย', '', 'Thai', '\U0001f310'),
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