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"""
Bing (Videos)
@website https://www.bing.com/videos
@provide-api yes (http://datamarket.azure.com/dataset/bing/search)
@using-api no
@results HTML
@stable no
@parse url, title, content, thumbnail
"""
from json import loads
from lxml import html
from searx.engines.bing_images import _fetch_supported_languages, supported_languages_url, get_region_code
from searx.engines.xpath import extract_text
from searx.url_utils import urlencode
categories = ['videos']
paging = True
safesearch = True
time_range_support = True
number_of_results = 10
language_support = True
search_url = 'https://www.bing.com/videos/asyncv2?{query}&async=content&'\
'first={offset}&count={number_of_results}&CW=1366&CH=25&FORM=R5VR5'
time_range_string = '&qft=+filterui:videoage-lt{interval}'
time_range_dict = {'day': '1440',
'week': '10080',
'month': '43200',
'year': '525600'}
# safesearch definitions
safesearch_types = {2: 'STRICT',
1: 'DEMOTE',
0: 'OFF'}
# do search-request
def request(query, params):
offset = (params['pageno'] - 1) * 10 + 1
# safesearch cookie
params['cookies']['SRCHHPGUSR'] = \
'ADLT=' + safesearch_types.get(params['safesearch'], 'DEMOTE')
# language cookie
region = get_region_code(params['language'], lang_list=supported_languages)
params['cookies']['_EDGE_S'] = 'mkt=' + region + '&F=1'
# query and paging
params['url'] = search_url.format(query=urlencode({'q': query}),
offset=offset,
number_of_results=number_of_results)
# time range
if params['time_range'] in time_range_dict:
params['url'] += time_range_string.format(interval=time_range_dict[params['time_range']])
return params
# get response from search-request
def response(resp):
results = []
dom = html.fromstring(resp.text)
for result in dom.xpath('//div[@class="dg_u"]'):
# try to extract the url
url_container = result.xpath('.//div[@class="sa_wrapper"]/@data-eventpayload')
if len(url_container) > 0:
url = loads(url_container[0])['purl']
else:
url = result.xpath('./a/@href')[0]
# discard results that do not return an external url
# very recent results sometimes don't return the video's url
if url.startswith('/videos/search?'):
continue
title = extract_text(result.xpath('./a//div[@class="tl"]'))
content = extract_text(result.xpath('.//div[@class="pubInfo"]'))
thumbnail = result.xpath('.//div[@class="vthumb"]/img/@src')[0]
results.append({'url': url,
'title': title,
'content': content,
'thumbnail': thumbnail,
'template': 'videos.html'})
# first page ignores requested number of results
if len(results) >= number_of_results:
break
return results
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