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"""
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Bing (Images)
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@website https://www.bing.com/images
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@provide-api yes (http://datamarket.azure.com/dataset/bing/search),
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max. 5000 query/month
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@using-api no (because of query limit)
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@results HTML (using search portal)
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@stable no (HTML can change)
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@parse url, title, img_src
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"""
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from urllib.parse import urlencode
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from lxml import html
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from json import loads
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from searx.utils import match_language
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from searx.engines.bing import language_aliases
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from searx.engines.bing import _fetch_supported_languages, supported_languages_url # NOQA # pylint: disable=unused-import
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# engine dependent config
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categories = ['images']
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paging = True
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safesearch = True
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time_range_support = True
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language_support = True
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supported_languages_url = 'https://www.bing.com/account/general'
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number_of_results = 28
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# search-url
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base_url = 'https://www.bing.com/'
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search_string = 'images/search'\
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'?{query}'\
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'&count={count}'\
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'&first={first}'\
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'&FORM=IBASEP'
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time_range_string = '&qft=+filterui:age-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) * number_of_results) + 1
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search_path = search_string.format(
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query=urlencode({'q': query}),
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count=number_of_results,
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first=offset)
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language = match_language(params['language'], supported_languages, language_aliases).lower()
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params['cookies']['SRCHHPGUSR'] = \
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'ADLT=' + safesearch_types.get(params['safesearch'], 'DEMOTE')
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params['cookies']['_EDGE_S'] = 'mkt=' + language +\
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'&ui=' + language + '&F=1'
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params['url'] = base_url + search_path
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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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# parse results
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for result in dom.xpath('//div[@class="imgpt"]'):
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try:
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img_format = result.xpath('./div[contains(@class, "img_info")]/span/text()')[0]
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# Microsoft seems to experiment with this code so don't make the path too specific,
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# just catch the text section for the first anchor in img_info assuming this to be
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# the originating site.
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source = result.xpath('./div[contains(@class, "img_info")]//a/text()')[0]
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m = loads(result.xpath('./a/@m')[0])
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# strip 'Unicode private use area' highlighting, they render to Tux
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# the Linux penguin and a standing diamond on my machine...
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title = m.get('t', '').replace('\ue000', '').replace('\ue001', '')
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results.append({'template': 'images.html',
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'url': m['purl'],
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'thumbnail_src': m['turl'],
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'img_src': m['murl'],
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'content': '',
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'title': title,
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'source': source,
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'img_format': img_format})
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except:
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continue
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return results
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