commit: 052a71d05a159ccb08efb7c1bf0d42e75ecdd636
parent: 8ec55112a06e3133ee6de930a96d693cd5204645
Author: Adam Tauber <asciimoo@gmail.com>
Date: Tue, 21 Aug 2018 16:24:34 +0200
Merge pull request #1368 from aliceinwire/gentoo_engine
Add Gentoo wiki search engine
Diffstat:
2 files changed, 132 insertions(+), 0 deletions(-)
diff --git a/searx/engines/gentoo.py b/searx/engines/gentoo.py
@@ -0,0 +1,128 @@
+# -*- coding: utf-8 -*-
+
+"""
+ Gentoo Wiki
+
+ @website https://wiki.gentoo.org
+ @provide-api yes
+ @using-api no
+ @results HTML
+ @stable no (HTML can change)
+ @parse url, title
+"""
+
+from lxml import html
+from searx.engines.xpath import extract_text
+from searx.url_utils import urlencode, urljoin
+
+# engine dependent config
+categories = ['it']
+language_support = True
+paging = True
+base_url = 'https://wiki.gentoo.org'
+
+# xpath queries
+xpath_results = '//ul[@class="mw-search-results"]/li'
+xpath_link = './/div[@class="mw-search-result-heading"]/a'
+
+
+# cut 'en' from 'en-US', 'de' from 'de-CH', and so on
+def locale_to_lang_code(locale):
+ if locale.find('-') >= 0:
+ locale = locale.split('-')[0]
+ return locale
+
+
+# wikis for some languages were moved off from the main site, we need to make
+# requests to correct URLs to be able to get results in those languages
+lang_urls = {
+ 'en': {
+ 'base': 'https://wiki.gentoo.org',
+ 'search': '/index.php?title=Special:Search&offset={offset}&{query}'
+ },
+ 'others': {
+ 'base': 'https://wiki.gentoo.org',
+ 'search': '/index.php?title=Special:Search&offset={offset}&{query}\
+ &profile=translation&languagefilter={language}'
+ }
+}
+
+
+# get base & search URLs for selected language
+def get_lang_urls(language):
+ if language != 'en':
+ return lang_urls['others']
+ return lang_urls['en']
+
+
+# Language names to build search requests for
+# those languages which are hosted on the main site.
+main_langs = {
+ 'ar': 'العربية',
+ 'bg': 'Български',
+ 'cs': 'Česky',
+ 'da': 'Dansk',
+ 'el': 'Ελληνικά',
+ 'es': 'Español',
+ 'he': 'עברית',
+ 'hr': 'Hrvatski',
+ 'hu': 'Magyar',
+ 'it': 'Italiano',
+ 'ko': '한국어',
+ 'lt': 'Lietuviškai',
+ 'nl': 'Nederlands',
+ 'pl': 'Polski',
+ 'pt': 'Português',
+ 'ru': 'Русский',
+ 'sl': 'Slovenský',
+ 'th': 'ไทย',
+ 'uk': 'Українська',
+ 'zh': '简体中文'
+}
+supported_languages = dict(lang_urls, **main_langs)
+
+
+# do search-request
+def request(query, params):
+ # translate the locale (e.g. 'en-US') to language code ('en')
+ language = locale_to_lang_code(params['language'])
+
+ # if our language is hosted on the main site, we need to add its name
+ # to the query in order to narrow the results to that language
+ if language in main_langs:
+ query += b' (' + (main_langs[language]).encode('utf-8') + b')'
+
+ # prepare the request parameters
+ query = urlencode({'search': query})
+ offset = (params['pageno'] - 1) * 20
+
+ # get request URLs for our language of choice
+ urls = get_lang_urls(language)
+ search_url = urls['base'] + urls['search']
+
+ params['url'] = search_url.format(query=query, offset=offset,
+ language=language)
+
+ return params
+
+
+# get response from search-request
+def response(resp):
+ # get the base URL for the language in which request was made
+ language = locale_to_lang_code(resp.search_params['language'])
+ base_url = get_lang_urls(language)['base']
+
+ results = []
+
+ dom = html.fromstring(resp.text)
+
+ # parse results
+ for result in dom.xpath(xpath_results):
+ link = result.xpath(xpath_link)[0]
+ href = urljoin(base_url, link.attrib.get('href'))
+ title = extract_text(link)
+
+ results.append({'url': href,
+ 'title': title})
+
+ return results
diff --git a/searx/settings.yml b/searx/settings.yml
@@ -273,6 +273,10 @@ engines:
timeout : 3.0
disabled: True
+ - name : gentoo
+ engine : gentoo
+ shortcut : ge
+
- name : gitlab
engine : json_engine
paging : True
