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"""
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Google (Images)
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@website https://www.google.com
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@provide-api yes (https://developers.google.com/custom-search/)
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@using-api no
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@results HTML chunks with JSON inside
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@stable no
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@parse url, title, img_src
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"""
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from urllib import urlencode
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from json import loads
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from lxml import html
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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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number_of_results = 100
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search_url = 'https://www.google.com/search'\
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'?{query}'\
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'&asearch=ichunk'\
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'&async=_id:rg_s,_pms:s'\
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'&tbm=isch'\
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'&yv=2'\
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'&{search_options}'
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time_range_attr = "qdr:{range}"
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time_range_dict = {'day': 'd',
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'week': 'w',
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'month': 'm'}
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# do search-request
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def request(query, params):
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search_options = {
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'ijn': params['pageno'] - 1,
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'start': (params['pageno'] - 1) * number_of_results
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}
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if params['time_range'] in time_range_dict:
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search_options['tbs'] = time_range_attr.format(range=time_range_dict[params['time_range']])
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if safesearch and params['safesearch']:
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search_options['safe'] = 'on'
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params['url'] = search_url.format(query=urlencode({'q': query}),
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search_options=urlencode(search_options))
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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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g_result = loads(resp.text)
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dom = html.fromstring(g_result[1][1])
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# parse results
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for result in dom.xpath('//div[@data-ved]'):
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try:
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metadata = loads(''.join(result.xpath('./div[@class="rg_meta"]/text()')))
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except:
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continue
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thumbnail_src = metadata['tu']
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# http to https
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thumbnail_src = thumbnail_src.replace("http://", "https://")
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# append result
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results.append({'url': metadata['ru'],
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'title': metadata['pt'],
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'content': metadata['s'],
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'thumbnail_src': thumbnail_src,
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'img_src': metadata['ou'],
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'template': 'images.html'})
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# return results
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return results
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