# SPDX-License-Identifier: AGPL-3.0-or-later
"""This is the implementation of the Google News engine.
Google News has a different region handling compared to Google WEB.
- the ``ceid`` argument has to be set (:py:obj:`ceid_list`)
- the hl_ argument has to be set correctly (and different to Google WEB)
- the gl_ argument is mandatory
If one of this argument is not set correctly, the request is redirected to
CONSENT dialog::
https://consent.google.com/m?continue=
The google news API ignores some parameters from the common :ref:`google API`:
- num_ : the number of search results is ignored / there is no paging all
results for a query term are in the first response.
- save_ : is ignored / Google-News results are always *SafeSearch*
.. _hl: https://developers.google.com/custom-search/docs/xml_results#hlsp
.. _gl: https://developers.google.com/custom-search/docs/xml_results#glsp
.. _num: https://developers.google.com/custom-search/docs/xml_results#numsp
.. _save: https://developers.google.com/custom-search/docs/xml_results#safesp
"""
from typing import TYPE_CHECKING
from urllib.parse import urlencode
import base64
from lxml import html
import babel
from searx import locales
from searx.utils import (
eval_xpath,
eval_xpath_list,
eval_xpath_getindex,
extract_text,
)
from searx.engines.google import fetch_traits as _fetch_traits # pylint: disable=unused-import
from searx.engines.google import (
get_google_info,
detect_google_sorry,
)
from searx.enginelib.traits import EngineTraits
if TYPE_CHECKING:
import logging
logger: logging.Logger
traits: EngineTraits
# 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',
}
# engine dependent config
categories = ['news']
paging = False
time_range_support = False
# Google-News results are always *SafeSearch*. Option 'safesearch' is set to
# False here, otherwise checker will report safesearch-errors::
#
# safesearch : results are identical for safesearch=0 and safesearch=2
safesearch = True
# send_accept_language_header = True
def request(query, params):
"""Google-News search request"""
sxng_locale = params.get('searxng_locale', 'en-US')
ceid = locales.get_engine_locale(sxng_locale, traits.custom['ceid'], default='US:en')
google_info = get_google_info(params, traits)
google_info['subdomain'] = 'news.google.com' # google news has only one domain
ceid_region, ceid_lang = ceid.split(':')
ceid_lang, ceid_suffix = (
ceid_lang.split('-')
+ [
None,
]
)[:2]
google_info['params']['hl'] = ceid_lang
if ceid_suffix and ceid_suffix not in ['Hans', 'Hant']:
if ceid_region.lower() == ceid_lang:
google_info['params']['hl'] = ceid_lang + '-' + ceid_region
else:
google_info['params']['hl'] = ceid_lang + '-' + ceid_suffix
elif ceid_region.lower() != ceid_lang:
if ceid_region in ['AT', 'BE', 'CH', 'IL', 'SA', 'IN', 'BD', 'PT']:
google_info['params']['hl'] = ceid_lang
else:
google_info['params']['hl'] = ceid_lang + '-' + ceid_region
google_info['params']['lr'] = 'lang_' + ceid_lang.split('-')[0]
google_info['params']['gl'] = ceid_region
query_url = (
'https://'
+ google_info['subdomain']
+ "/search?"
+ urlencode(
{
'q': query,
**google_info['params'],
}
)
# ceid includes a ':' character which must not be urlencoded
+ ('&ceid=%s' % ceid)
)
params['url'] = query_url
params['cookies'] = google_info['cookies']
params['headers'].update(google_info['headers'])
return params
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> tag is a google internal link, we have
# to decode
href = eval_xpath_getindex(result, './article/a/@href', 0)
href = href.split('?')[0]
href = href.split('/')[-1]
href = base64.urlsafe_b64decode(href + '====')
href = href[href.index(b'http') :].split(b'\xd2')[0]
href = href.decode()
title = extract_text(eval_xpath(result, './article/h3[1]'))
# The pub_date is mostly a string like 'yesterday', not a real
# timezone date or time. Therefore we can't use publishedDate.
pub_date = extract_text(eval_xpath(result, './article//time'))
pub_origin = extract_text(eval_xpath(result, './article//a[@data-n-tid]'))
content = ' / '.join([x for x in [pub_origin, pub_date] if x])
# 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).
thumbnail = extract_text(result.xpath('preceding-sibling::a/figure/img/@src'))
results.append(
{
'url': href,
'title': title,
'content': content,
'thumbnail': thumbnail,
}
)
# return results
return results
ceid_list = [
'AE:ar',
'AR:es-419',
'AT:de',
'AU:en',
'BD:bn',
'BE:fr',
'BE:nl',
'BG:bg',
'BR:pt-419',
'BW:en',
'CA:en',
'CA:fr',
'CH:de',
'CH:fr',
'CL:es-419',
'CN:zh-Hans',
'CO:es-419',
'CU:es-419',
'CZ:cs',
'DE:de',
'EG:ar',
'ES:es',
'ET:en',
'FR:fr',
'GB:en',
'GH:en',
'GR:el',
'HK:zh-Hant',
'HU:hu',
'ID:en',
'ID:id',
'IE:en',
'IL:en',
'IL:he',
'IN:bn',
'IN:en',
'IN:hi',
'IN:ml',
'IN:mr',
'IN:ta',
'IN:te',
'IT:it',
'JP:ja',
'KE:en',
'KR:ko',
'LB:ar',
'LT:lt',
'LV:en',
'LV:lv',
'MA:fr',
'MX:es-419',
'MY:en',
'NA:en',
'NG:en',
'NL:nl',
'NO:no',
'NZ:en',
'PE:es-419',
'PH:en',
'PK:en',
'PL:pl',
'PT:pt-150',
'RO:ro',
'RS:sr',
'RU:ru',
'SA:ar',
'SE:sv',
'SG:en',
'SI:sl',
'SK:sk',
'SN:fr',
'TH:th',
'TR:tr',
'TW:zh-Hant',
'TZ:en',
'UA:ru',
'UA:uk',
'UG:en',
'US:en',
'US:es-419',
'VE:es-419',
'VN:vi',
'ZA:en',
'ZW:en',
]
"""List of region/language combinations supported by Google News. Values of the
``ceid`` argument of the Google News REST API."""
_skip_values = [
'ET:en', # english (ethiopia)
'ID:en', # english (indonesia)
'LV:en', # english (latvia)
]
_ceid_locale_map = {'NO:no': 'nb-NO'}
def fetch_traits(engine_traits: EngineTraits):
_fetch_traits(engine_traits, add_domains=False)
engine_traits.custom['ceid'] = {}
for ceid in ceid_list:
if ceid in _skip_values:
continue
region, lang = ceid.split(':')
x = lang.split('-')
if len(x) > 1:
if x[1] not in ['Hant', 'Hans']:
lang = x[0]
sxng_locale = _ceid_locale_map.get(ceid, lang + '-' + region)
try:
locale = babel.Locale.parse(sxng_locale, sep='-')
except babel.UnknownLocaleError:
print("ERROR: %s -> %s is unknown by babel" % (ceid, sxng_locale))
continue
engine_traits.custom['ceid'][locales.region_tag(locale)] = ceid
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