Source code for searx.engines.google_news

# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""This is the implementation of the google news engine.  The google news API
ignores some parameters from the common :ref:`google API`:

- num_ : the number of search results is ignored
- save_ : is ignored / Google-News results are always *SafeSearch*

.. _num: https://developers.google.com/custom-search/docs/xml_results#numsp
.. _save: https://developers.google.com/custom-search/docs/xml_results#safesp

"""

# pylint: disable=invalid-name

import binascii
from datetime import datetime
import re
from urllib.parse import urlencode
from base64 import b64decode
from lxml import html

from searx.utils import (
    eval_xpath,
    eval_xpath_list,
    eval_xpath_getindex,
    extract_text,
)

# pylint: disable=unused-import
from searx.engines.google import (
    supported_languages_url,
    _fetch_supported_languages,
)

# pylint: enable=unused-import

from searx.engines.google import (
    get_lang_info,
    detect_google_sorry,
)

# about
about = {
    "website": 'https://news.google.com',
    "wikidata_id": 'Q12020',
    "official_api_documentation": 'https://developers.google.com/custom-search',
    "use_official_api": False,
    "require_api_key": False,
    "results": 'HTML',
}

# compared to other google engines google-news has a different time range
# support.  The time range is included in the search term.
time_range_dict = {
    'day': 'when:1d',
    'week': 'when:7d',
    'month': 'when:1m',
    'year': 'when:1y',
}

# engine dependent config

categories = ['news']
paging = False
use_locale_domain = True
time_range_support = True

# Google-News results are always *SafeSearch*. Option 'safesearch' is set to
# False here, otherwise checker will report safesearch-errors::
#
#  safesearch : results are identitical for safesearch=0 and safesearch=2
safesearch = False


[docs]def request(query, params): """Google-News search request""" lang_info = get_lang_info(params, supported_languages, language_aliases, False) logger.debug("HTTP header Accept-Language --> %s", lang_info['headers']['Accept-Language']) # google news has only one domain lang_info['subdomain'] = 'news.google.com' ceid = "%s:%s" % (lang_info['country'], lang_info['language']) # google news redirects en to en-US if lang_info['params']['hl'] == 'en': lang_info['params']['hl'] = 'en-US' # Very special to google-news compared to other google engines, the time # range is included in the search term. if params['time_range']: query += ' ' + time_range_dict[params['time_range']] query_url = ( 'https://' + lang_info['subdomain'] + '/search' + "?" + urlencode( { 'q': query, **lang_info['params'], 'ie': "utf8", 'oe': "utf8", 'gl': lang_info['country'], } ) + ('&ceid=%s' % ceid) ) # ceid includes a ':' character which must not be urlencoded params['url'] = query_url params['headers'].update(lang_info['headers']) params['headers']['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8' params['headers']['Cookie'] = "CONSENT=YES+cb.%s-14-p0.en+F+941;" % datetime.now().strftime("%Y%m%d") return params
[docs]def response(resp): """Get response from google's search request""" results = [] detect_google_sorry(resp) # convert the text to dom dom = html.fromstring(resp.text) for result in eval_xpath_list(dom, '//div[@class="xrnccd"]'): # The first <a> tag in the <article> contains the link to the # article The href attribute of the <a> is a google internal link, # we can't use. The real link is hidden in the jslog attribute: # # <a ... # jslog="95014; 4:https://www.cnn.com/.../index.html; track:click" # href="./articles/CAIiENu3nGS...?hl=en-US&amp;gl=US&amp;ceid=US%3Aen" # ... /> jslog = eval_xpath_getindex(result, './article/a/@jslog', 0) url = re.findall('http[^;]*', jslog) if url: url = url[0] else: # The real URL is base64 encoded in the json attribute: # jslog="95014; 5:W251bGwsbnVsbCxudW...giXQ==; track:click" jslog = jslog.split(";")[1].split(':')[1].strip() try: padding = (4 - (len(jslog) % 4)) * "=" jslog = b64decode(jslog + padding) except binascii.Error: # URL cant be read, skip this result continue # now we have : b'[null, ... null,"https://www.cnn.com/.../index.html"]' url = re.findall('http[^;"]*', str(jslog))[0] # the first <h3> tag in the <article> contains the title of the link title = extract_text(eval_xpath(result, './article/h3[1]')) # the first <div> tag in the <article> contains the content of the link content = extract_text(eval_xpath(result, './article/div[1]')) # the second <div> tag contains origin publisher and the publishing date pub_date = extract_text(eval_xpath(result, './article/div[2]//time')) pub_origin = extract_text(eval_xpath(result, './article/div[2]//a')) pub_info = [] if pub_origin: pub_info.append(pub_origin) if pub_date: # The pub_date is mostly a string like 'yesertday', not a real # timezone date or time. Therefore we can't use publishedDate. pub_info.append(pub_date) pub_info = ', '.join(pub_info) if pub_info: content = pub_info + ': ' + content # The image URL is located in a preceding sibling <img> tag, e.g.: # "https://lh3.googleusercontent.com/DjhQh7DMszk.....z=-p-h100-w100" # These URL are long but not personalized (double checked via tor). img_src = extract_text(result.xpath('preceding-sibling::a/figure/img/@src')) results.append( { 'url': url, 'title': title, 'content': content, 'img_src': img_src, } ) # return results return results