mirror of
https://github.com/searxng/searxng.git
synced 2024-11-16 17:40:11 +01:00
160 lines
4.8 KiB
Python
160 lines
4.8 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
# lint: pylint
|
|
"""Bing-News: description see :py:obj:`searx.engines.bing`.
|
|
|
|
.. hint::
|
|
|
|
Bing News is *different* in some ways!
|
|
|
|
"""
|
|
|
|
# pylint: disable=invalid-name
|
|
|
|
from typing import TYPE_CHECKING
|
|
from urllib.parse import urlencode
|
|
|
|
from lxml import html
|
|
|
|
from searx.utils import eval_xpath, extract_text, eval_xpath_list, eval_xpath_getindex
|
|
from searx.enginelib.traits import EngineTraits
|
|
from searx.engines.bing import set_bing_cookies
|
|
|
|
if TYPE_CHECKING:
|
|
import logging
|
|
|
|
logger: logging.Logger
|
|
|
|
traits: EngineTraits
|
|
|
|
|
|
# about
|
|
about = {
|
|
"website": 'https://www.bing.com/news',
|
|
"wikidata_id": 'Q2878637',
|
|
"official_api_documentation": 'https://www.microsoft.com/en-us/bing/apis/bing-news-search-api',
|
|
"use_official_api": False,
|
|
"require_api_key": False,
|
|
"results": 'RSS',
|
|
}
|
|
|
|
# engine dependent config
|
|
categories = ['news']
|
|
paging = True
|
|
"""If go through the pages and there are actually no new results for another
|
|
page, then bing returns the results from the last page again."""
|
|
|
|
time_range_support = True
|
|
time_map = {
|
|
'day': 'interval="4"',
|
|
'week': 'interval="7"',
|
|
'month': 'interval="9"',
|
|
}
|
|
"""A string '4' means *last hour*. We use *last hour* for ``day`` here since the
|
|
difference of *last day* and *last week* in the result list is just marginally.
|
|
Bing does not have news range ``year`` / we use ``month`` instead."""
|
|
|
|
base_url = 'https://www.bing.com/news/infinitescrollajax'
|
|
"""Bing (News) search URL"""
|
|
|
|
|
|
def request(query, params):
|
|
"""Assemble a Bing-News request."""
|
|
|
|
engine_region = traits.get_region(params['searxng_locale'], traits.all_locale) # type: ignore
|
|
engine_language = traits.get_language(params['searxng_locale'], 'en') # type: ignore
|
|
set_bing_cookies(params, engine_language, engine_region)
|
|
|
|
# build URL query
|
|
#
|
|
# example: https://www.bing.com/news/infinitescrollajax?q=london&first=1
|
|
|
|
page = int(params.get('pageno', 1)) - 1
|
|
query_params = {
|
|
'q': query,
|
|
'InfiniteScroll': 1,
|
|
# to simplify the page count lets use the default of 10 images per page
|
|
'first': page * 10 + 1,
|
|
'SFX': page,
|
|
'form': 'PTFTNR',
|
|
'setlang': engine_region.split('-')[0],
|
|
'cc': engine_region.split('-')[-1],
|
|
}
|
|
|
|
if params['time_range']:
|
|
query_params['qft'] = time_map.get(params['time_range'], 'interval="9"')
|
|
|
|
params['url'] = base_url + '?' + urlencode(query_params)
|
|
|
|
return params
|
|
|
|
|
|
def response(resp):
|
|
"""Get response from Bing-Video"""
|
|
results = []
|
|
|
|
if not resp.ok or not resp.text:
|
|
return results
|
|
|
|
dom = html.fromstring(resp.text)
|
|
|
|
for newsitem in eval_xpath_list(dom, '//div[contains(@class, "newsitem")]'):
|
|
|
|
link = eval_xpath_getindex(newsitem, './/a[@class="title"]', 0, None)
|
|
if link is None:
|
|
continue
|
|
url = link.attrib.get('href')
|
|
title = extract_text(link)
|
|
content = extract_text(eval_xpath(newsitem, './/div[@class="snippet"]'))
|
|
|
|
metadata = []
|
|
source = eval_xpath_getindex(newsitem, './/div[contains(@class, "source")]', 0, None)
|
|
if source is not None:
|
|
for item in (
|
|
eval_xpath_getindex(source, './/span[@aria-label]/@aria-label', 0, None),
|
|
# eval_xpath_getindex(source, './/a', 0, None),
|
|
# eval_xpath_getindex(source, './div/span', 3, None),
|
|
link.attrib.get('data-author'),
|
|
):
|
|
if item is not None:
|
|
t = extract_text(item)
|
|
if t and t.strip():
|
|
metadata.append(t.strip())
|
|
metadata = ' | '.join(metadata)
|
|
|
|
thumbnail = None
|
|
imagelink = eval_xpath_getindex(newsitem, './/a[@class="imagelink"]//img', 0, None)
|
|
if imagelink is not None:
|
|
thumbnail = 'https://www.bing.com/' + imagelink.attrib.get('src')
|
|
|
|
results.append(
|
|
{
|
|
'url': url,
|
|
'title': title,
|
|
'content': content,
|
|
'img_src': thumbnail,
|
|
'metadata': metadata,
|
|
}
|
|
)
|
|
|
|
return results
|
|
|
|
|
|
def fetch_traits(engine_traits: EngineTraits):
|
|
"""Fetch languages and regions from Bing-News."""
|
|
# pylint: disable=import-outside-toplevel
|
|
|
|
from searx.engines.bing import fetch_traits as _f
|
|
|
|
_f(engine_traits)
|
|
|
|
# fix market codes not known by bing news:
|
|
|
|
# In bing the market code 'zh-cn' exists, but there is no 'news' category in
|
|
# bing for this market. Alternatively we use the the market code from Honk
|
|
# Kong. Even if this is not correct, it is better than having no hits at
|
|
# all, or sending false queries to bing that could raise the suspicion of a
|
|
# bot.
|
|
|
|
# HINT: 'en-hk' is the region code it does not indicate the language en!!
|
|
engine_traits.regions['zh-CN'] = 'en-hk'
|