Merge pull request #1563 from Nachtalb/ne/fix-google-image-search

"""

from datetime import date, timedelta

from json import loads

from lxml import html

from searx.url_utils import urlencode, urlparse, parse_qs

# do search-request

def request(query, params):

    search_options = {

        'ijn': params['pageno'] - 1,

        'start': (params['pageno'] - 1) * number_of_results

    }

        search_options['tbs'] = time_range_custom_attr.format(start=start, end=end)

    if safesearch and params['safesearch']:

        search_options['safe'] = 'on'

        search_options['safe'] = 'active'

    params['url'] = search_url.format(query=urlencode({'q': query}),

                                      search_options=urlencode(search_options))

# get response from search-request

def response(resp):

    dom = html.fromstring(resp.text)

    results = []

    for element in dom.xpath('//div[@id="search"] //td'):

        link = element.xpath('./a')[0]

    dom = html.fromstring(resp.text)

        google_url = urlparse(link.xpath('.//@href')[0])

        query = parse_qs(google_url.query)

        source_url = next(iter(query.get('q', [])), None)

    # parse results

    for img in dom.xpath('//a'):

        r = {

            'title': u' '.join(img.xpath('.//div[class="rg_ilmbg"]//text()')),

        title_parts = element.xpath('./cite//following-sibling::*/text()')

        title_parts.extend(element.xpath('./cite//following-sibling::text()')[:-1])

        result = {

            'title': ''.join(title_parts),

            'content': '',

            'template': 'images.html',

            'url': source_url,

            'img_src': source_url,

            'thumbnail_src': next(iter(link.xpath('.//img //@src')), None)

        }

        url = urlparse(img.xpath('.//@href')[0])

        query = parse_qs(url.query)

        r['url'] = query['imgrefurl'][0]

        r['img_src'] = query['imgurl'][0]

        r['thumbnail_src'] = r['img_src']

        # append result

        results.append(r)

    # return results

        if not source_url or not result['thumbnail_src']:

            continue

        results.append(result)

    return results