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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 datetime import date, timedelta
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from json import loads
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from lxml import html
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from searx.url_utils import urlencode
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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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'&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_custom_attr = "cdr:1,cd_min:{start},cd_max{end}"
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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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elif params['time_range'] == 'year':
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now = date.today()
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then = now - timedelta(days=365)
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start = then.strftime('%m/%d/%Y')
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end = now.strftime('%m/%d/%Y')
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search_options['tbs'] = time_range_custom_attr.format(start=start, end=end)
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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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dom = html.fromstring(resp.text)
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# parse results
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for result in dom.xpath('//div[contains(@class, "rg_meta")]/text()'):
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try:
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metadata = loads(result)
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img_format = metadata.get('ity', '')
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img_width = metadata.get('ow', '')
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img_height = metadata.get('oh', '')
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if img_width and img_height:
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img_format += " {0}x{1}".format(img_width, img_height)
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source = metadata.get('st', '')
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source_url = metadata.get('isu', '')
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if source_url:
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source += " ({0})".format(source_url)
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results.append({'url': metadata['ru'],
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'title': metadata['pt'],
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'content': metadata.get('s', ''),
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'source': source,
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'img_format': img_format,
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'thumbnail_src': metadata['tu'],
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'img_src': metadata['ou'],
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'template': 'images.html'})
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except:
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continue
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return results
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