188 lines
4.4 KiB
Python
188 lines
4.4 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Yahoo Search (Web)
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Languages are supported by mapping the language to a domain. If domain is not
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found in :py:obj:`lang2domain` URL ``<lang>.search.yahoo.com`` is used.
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"""
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from urllib.parse import (
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unquote,
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urlencode,
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)
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from lxml import html
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from searx.utils import (
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eval_xpath_getindex,
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eval_xpath_list,
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extract_text,
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html_to_text,
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)
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from searx.enginelib.traits import EngineTraits
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traits: EngineTraits
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# about
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about = {
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"website": 'https://search.yahoo.com/',
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"wikidata_id": None,
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"official_api_documentation": 'https://developer.yahoo.com/api/',
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"use_official_api": False,
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"require_api_key": False,
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"results": 'HTML',
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}
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# engine dependent config
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categories = ['general', 'web']
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paging = True
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time_range_support = True
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# send_accept_language_header = True
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time_range_dict = {
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'day': ('1d', 'd'),
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'week': ('1w', 'w'),
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'month': ('1m', 'm'),
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}
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lang2domain = {
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'zh_chs': 'hk.search.yahoo.com',
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'zh_cht': 'tw.search.yahoo.com',
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'any': 'search.yahoo.com',
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'en': 'search.yahoo.com',
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'bg': 'search.yahoo.com',
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'cs': 'search.yahoo.com',
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'da': 'search.yahoo.com',
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'el': 'search.yahoo.com',
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'et': 'search.yahoo.com',
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'he': 'search.yahoo.com',
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'hr': 'search.yahoo.com',
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'ja': 'search.yahoo.com',
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'ko': 'search.yahoo.com',
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'sk': 'search.yahoo.com',
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'sl': 'search.yahoo.com',
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}
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"""Map language to domain"""
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yahoo_languages = {
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"all": "any",
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"ar": "ar",
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"bg": "bg",
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"cs": "cs",
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"da": "da",
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"de": "de",
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"el": "el",
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"en": "en",
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"es": "es",
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"et": "et",
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"fi": "fi",
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"fr": "fr",
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"he": "he",
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"hr": "hr",
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"hu": "hu",
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"it": "it",
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"ja": "ja",
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"ko": "ko",
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"lt": "lt",
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"lv": "lv",
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"nl": "nl",
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"no": "no",
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"pl": "pl",
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"pt": "pt",
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"ro": "ro",
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"ru": "ru",
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"sk": "sk",
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"sl": "sl",
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"sv": "sv",
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"th": "th",
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"tr": "tr",
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"zh": "zh_chs",
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"zh_Hans": "zh_chs",
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'zh-CN': "zh_chs",
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"zh_Hant": "zh_cht",
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"zh-HK": "zh_cht",
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'zh-TW': "zh_cht",
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}
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def request(query, params):
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"""build request"""
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lang = params["language"].split("-")[0]
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lang = yahoo_languages.get(lang, "any")
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offset = (params['pageno'] - 1) * 7 + 1
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age, btf = time_range_dict.get(params['time_range'], ('', ''))
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args = urlencode(
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{
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'p': query,
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'ei': 'UTF-8',
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'fl': 1,
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'vl': 'lang_' + lang,
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'btf': btf,
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'fr2': 'time',
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'age': age,
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'b': offset,
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'xargs': 0,
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}
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)
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domain = lang2domain.get(lang, '%s.search.yahoo.com' % lang)
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params['url'] = 'https://%s/search?%s' % (domain, args)
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return params
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def parse_url(url_string):
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"""remove yahoo-specific tracking-url"""
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endings = ['/RS', '/RK']
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endpositions = []
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start = url_string.find('http', url_string.find('/RU=') + 1)
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for ending in endings:
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endpos = url_string.rfind(ending)
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if endpos > -1:
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endpositions.append(endpos)
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if start == 0 or len(endpositions) == 0:
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return url_string
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end = min(endpositions)
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return unquote(url_string[start:end])
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def response(resp):
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"""parse response"""
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results = []
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dom = html.fromstring(resp.text)
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# parse results
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for result in eval_xpath_list(dom, '//div[contains(@class,"algo-sr")]'):
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url = eval_xpath_getindex(result, './/h3/a/@href', 0, default=None)
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if url is None:
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continue
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url = parse_url(url)
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title = eval_xpath_getindex(result, './/h3//a/@aria-label', 0, default='')
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title: str = extract_text(title)
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content = eval_xpath_getindex(result, './/div[contains(@class, "compText")]', 0, default='')
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content: str = extract_text(content, allow_none=True)
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# append result
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results.append(
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{
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'url': url,
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# title sometimes contains HTML tags / see
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# https://github.com/searxng/searxng/issues/3790
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'title': " ".join(html_to_text(title).strip().split()),
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'content': " ".join(html_to_text(content).strip().split()),
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}
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)
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for suggestion in eval_xpath_list(dom, '//div[contains(@class, "AlsoTry")]//table//a'):
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# append suggestion
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results.append({'suggestion': extract_text(suggestion)})
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return results
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