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"""
Bing (News)
@website https://www.bing.com/news
@provide-api yes (http://datamarket.azure.com/dataset/bing/search),
max. 5000 query/month
@using-api no (because of query limit)
@results RSS (using search portal)
@stable yes (except perhaps for the images)
@parse url, title, content, publishedDate, thumbnail
"""
from datetime import datetime
from dateutil import parser
from lxml import etree
from searx.utils import list_get
from searx.engines.bing import _fetch_supported_languages, supported_languages_url
from searx.url_utils import urlencode, urlparse, parse_qsl
# engine dependent config
categories = ['news']
paging = True
language_support = True
time_range_support = True
# search-url
base_url = 'https://www.bing.com/'
search_string = 'news/search?{query}&first={offset}&format=RSS'
search_string_with_time = 'news/search?{query}&first={offset}&qft=interval%3d"{interval}"&format=RSS'
time_range_dict = {'day': '7',
'week': '8',
'month': '9'}
# remove click
def url_cleanup(url_string):
parsed_url = urlparse(url_string)
if parsed_url.netloc == 'www.bing.com' and parsed_url.path == '/news/apiclick.aspx':
query = dict(parse_qsl(parsed_url.query))
return query.get('url', None)
return url_string
# replace the http://*bing4.com/th?id=... by https://www.bing.com/th?id=...
def image_url_cleanup(url_string):
parsed_url = urlparse(url_string)
if parsed_url.netloc.endswith('bing4.com') and parsed_url.path == '/th':
query = dict(parse_qsl(parsed_url.query))
return "https://www.bing.com/th?id=" + query.get('id')
return url_string
def _get_url(query, language, offset, time_range):
if time_range in time_range_dict:
search_path = search_string_with_time.format(
query=urlencode({'q': query, 'setmkt': language}),
offset=offset,
interval=time_range_dict[time_range])
else:
search_path = search_string.format(
query=urlencode({'q': query, 'setmkt': language}),
offset=offset)
return base_url + search_path
# do search-request
def request(query, params):
if params['time_range'] and params['time_range'] not in time_range_dict:
return params
offset = (params['pageno'] - 1) * 10 + 1
language = params['language']
params['url'] = _get_url(query, language, offset, params['time_range'])
return params
# get response from search-request
def response(resp):
results = []
rss = etree.fromstring(resp.content)
ns = rss.nsmap
# parse results
for item in rss.xpath('./channel/item'):
# url / title / content
url = url_cleanup(item.xpath('./link/text()')[0])
title = list_get(item.xpath('./title/text()'), 0, url)
content = list_get(item.xpath('./description/text()'), 0, '')
# publishedDate
publishedDate = list_get(item.xpath('./pubDate/text()'), 0)
try:
publishedDate = parser.parse(publishedDate, dayfirst=False)
except TypeError:
publishedDate = datetime.now()
except ValueError:
publishedDate = datetime.now()
# thumbnail
thumbnail = list_get(item.xpath('./News:Image/text()', namespaces=ns), 0)
if thumbnail is not None:
thumbnail = image_url_cleanup(thumbnail)
# append result
if thumbnail is not None:
results.append({'url': url,
'title': title,
'publishedDate': publishedDate,
'content': content,
'img_src': thumbnail})
else:
results.append({'url': url,
'title': title,
'publishedDate': publishedDate,
'content': content})
# return results
return results
|
