2017-08-05 21:48:07 +02:00
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"""
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Bing (Videos)
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@website https://www.bing.com/videos
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@provide-api yes (http://datamarket.azure.com/dataset/bing/search)
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@using-api no
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@results HTML
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@stable no
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@parse url, title, content, thumbnail
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"""
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from json import loads
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from lxml import html
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2017-10-10 23:49:49 +02:00
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from searx.engines.bing_images import _fetch_supported_languages, supported_languages_url, get_region_code
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2017-08-05 21:48:07 +02:00
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from searx.engines.xpath import extract_text
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from searx.url_utils import urlencode
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categories = ['videos']
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paging = True
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safesearch = True
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time_range_support = True
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number_of_results = 10
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2017-10-10 23:49:49 +02:00
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language_support = True
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2017-08-05 21:48:07 +02:00
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search_url = 'https://www.bing.com/videos/asyncv2?{query}&async=content&'\
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'first={offset}&count={number_of_results}&CW=1366&CH=25&FORM=R5VR5'
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time_range_string = '&qft=+filterui:videoage-lt{interval}'
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time_range_dict = {'day': '1440',
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'week': '10080',
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'month': '43200',
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'year': '525600'}
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# safesearch definitions
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safesearch_types = {2: 'STRICT',
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1: 'DEMOTE',
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0: 'OFF'}
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# do search-request
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def request(query, params):
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offset = (params['pageno'] - 1) * 10 + 1
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# safesearch cookie
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params['cookies']['SRCHHPGUSR'] = \
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'ADLT=' + safesearch_types.get(params['safesearch'], 'DEMOTE')
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# language cookie
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2017-10-10 23:49:49 +02:00
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region = get_region_code(params['language'], lang_list=supported_languages)
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params['cookies']['_EDGE_S'] = 'mkt=' + region + '&F=1'
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2017-08-05 21:48:07 +02:00
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# query and paging
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params['url'] = search_url.format(query=urlencode({'q': query}),
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offset=offset,
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number_of_results=number_of_results)
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# time range
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if params['time_range'] in time_range_dict:
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params['url'] += time_range_string.format(interval=time_range_dict[params['time_range']])
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return params
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# get response from search-request
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def response(resp):
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results = []
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dom = html.fromstring(resp.text)
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for result in dom.xpath('//div[@class="dg_u"]'):
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# try to extract the url
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url_container = result.xpath('.//div[@class="sa_wrapper"]/@data-eventpayload')
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if len(url_container) > 0:
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url = loads(url_container[0])['purl']
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else:
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url = result.xpath('./a/@href')[0]
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# discard results that do not return an external url
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# very recent results sometimes don't return the video's url
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if url.startswith('/videos/search?'):
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continue
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title = extract_text(result.xpath('./a//div[@class="tl"]'))
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content = extract_text(result.xpath('.//div[@class="pubInfo"]'))
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thumbnail = result.xpath('.//div[@class="vthumb"]/img/@src')[0]
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results.append({'url': url,
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'title': title,
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'content': content,
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'thumbnail': thumbnail,
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'template': 'videos.html'})
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# first page ignores requested number of results
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if len(results) >= number_of_results:
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break
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return results
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