# SPDX-License-Identifier: AGPL-3.0-or-later
"""Bing-News: description see :py:obj:`searx.engines.bing`.
.. hint::
Bing News is *different* in some ways!
"""
from urllib.parse import urlencode
from lxml import html
from searx.enginelib.traits import EngineTraits
from searx.engines.bing import (
get_locale_params,
override_accept_language,
)
from searx.utils import eval_xpath, eval_xpath_getindex, eval_xpath_list, extract_text
# about
about = {
"website": "https://www.bing.com/news",
"wikidata_id": "Q2878637",
"official_api_documentation": "https://github.com/MicrosoftDocs/bing-docs",
"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"""
[docs]
def request(query, params):
"""Assemble a Bing-News request."""
engine_region = traits.get_region(params["searxng_locale"], traits.all_locale)
override_accept_language(params, 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",
}
locale_params = get_locale_params(engine_region)
if locale_params:
query_params.update(locale_params)
if params["time_range"]:
query_params["qft"] = time_map.get(params["time_range"], 'interval="9"')
params["url"] = base_url + "?" + urlencode(query_params)
return params
[docs]
def response(resp):
"""Parse the Bing-News response."""
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 = imagelink.attrib.get("src")
if not thumbnail.startswith("https://www.bing.com"):
thumbnail = "https://www.bing.com/" + thumbnail
results.append(
{
"url": url,
"title": title,
"content": content,
"thumbnail": thumbnail,
"metadata": metadata,
}
)
return results
[docs]
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"
