mirror of
https://github.com/searxng/searxng
synced 2024-01-01 18:24:07 +00:00
151 lines
4.2 KiB
Python
151 lines
4.2 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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"""Bing-News: description see :py:obj:`searx.engines.bing`.
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"""
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# pylint: disable=invalid-name
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from typing import TYPE_CHECKING
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import uuid
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from urllib.parse import urlencode
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from lxml import html
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from searx.enginelib.traits import EngineTraits
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from searx.engines.bing import (
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set_bing_cookies,
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_fetch_traits,
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)
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from searx.engines.bing import send_accept_language_header # pylint: disable=unused-import
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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://www.bing.com/news',
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"wikidata_id": 'Q2878637',
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"official_api_documentation": 'https://www.microsoft.com/en-us/bing/apis/bing-news-search-api',
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"use_official_api": False,
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"require_api_key": False,
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"results": 'RSS',
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}
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# engine dependent config
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categories = ['news']
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paging = True
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time_range_support = True
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time_map = {
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'day': '4',
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'week': '8',
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'month': '9',
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}
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"""A string '4' means *last hour*. We use *last hour* for ``day`` here since the
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difference of *last day* and *last week* in the result list is just marginally.
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"""
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base_url = 'https://www.bing.com/news/infinitescrollajax'
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"""Bing (News) search URL"""
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bing_traits_url = 'https://learn.microsoft.com/en-us/bing/search-apis/bing-news-search/reference/market-codes'
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"""Bing (News) search API description"""
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mkt_alias = {
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'zh': 'en-WW',
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'zh-CN': 'en-WW',
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}
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"""Bing News has an official market code 'zh-CN' but we won't get a result with
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this market code. For 'zh' and 'zh-CN' we better use the *Worldwide aggregate*
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market code (en-WW).
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"""
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def request(query, params):
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"""Assemble a Bing-News request."""
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sxng_locale = params['searxng_locale']
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engine_region = traits.get_region(mkt_alias.get(sxng_locale, sxng_locale), traits.all_locale)
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engine_language = traits.get_language(sxng_locale, 'en')
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SID = uuid.uuid1().hex.upper()
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set_bing_cookies(params, engine_language, engine_region, SID)
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# build URL query
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#
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# example: https://www.bing.com/news/infinitescrollajax?q=london&first=1
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query_params = {
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# fmt: off
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'q': query,
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'InfiniteScroll': 1,
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# to simplify the page count lets use the default of 10 images per page
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'first' : (int(params.get('pageno', 1)) - 1) * 10 + 1,
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# fmt: on
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}
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if params['time_range']:
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# qft=interval:"7"
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query_params['qft'] = 'qft=interval="%s"' % time_map.get(params['time_range'], '9')
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params['url'] = base_url + '?' + urlencode(query_params)
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return params
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def response(resp):
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"""Get response from Bing-Video"""
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results = []
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if not resp.ok or not resp.text:
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return results
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dom = html.fromstring(resp.text)
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for newsitem in dom.xpath('//div[contains(@class, "newsitem")]'):
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url = newsitem.xpath('./@url')[0]
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title = ' '.join(newsitem.xpath('.//div[@class="caption"]//a[@class="title"]/text()')).strip()
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content = ' '.join(newsitem.xpath('.//div[@class="snippet"]/text()')).strip()
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thumbnail = None
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author = newsitem.xpath('./@data-author')[0]
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metadata = ' '.join(newsitem.xpath('.//div[@class="source"]/span/text()')).strip()
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img_src = newsitem.xpath('.//a[@class="imagelink"]//img/@src')
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if img_src:
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thumbnail = 'https://www.bing.com/' + img_src[0]
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results.append(
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{
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'url': url,
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'title': title,
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'content': content,
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'img_src': thumbnail,
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'author': author,
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'metadata': metadata,
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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 and regions from Bing-News.
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The :py:obj:`description <searx.engines.bing_news.bing_traits_url>` of the
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first table says *"query parameter when calling the Video Search API."*
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.. that's why I use the 4. table "News Category API markets" for the
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``xpath_market_codes``.
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"""
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xpath_market_codes = '//table[4]/tbody/tr/td[3]'
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# xpath_country_codes = '//table[2]/tbody/tr/td[2]'
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xpath_language_codes = '//table[3]/tbody/tr/td[2]'
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_fetch_traits(engine_traits, bing_traits_url, xpath_language_codes, xpath_market_codes)
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