[FIX] google videos thumbnails

 @using-api   no

 @results     HTML

 @stable      no

 @parse       url, title, content

 @parse       url, title, content, thumbnail

"""

from datetime import date, timedelta

from json import loads

from lxml import html

from searx.engines import logger

from searx.engines.xpath import extract_text

from searx.url_utils import urlencode

import re

# engine dependent config

categories = ['videos']

        url = result.xpath('.//div[@class="r"]/a/@href')[0]

        content = extract_text(result.xpath('.//span[@class="st"]'))

        # get thumbnails

        script = str(dom.xpath('//script[contains(., "_setImagesSrc")]')[0].text)

        id = result.xpath('.//div[@class="s"]//img/@id')[0]

        thumbnails_data = re.findall('s=\'(.*?)(?:\\\\[a-z,1-9,\\\\]+\'|\')\;var ii=\[(?:|[\'vidthumb\d+\',]+)\'' + id,

                                     script)

        logger.debug('google video engine: ' + id + ' matched ' + str(len(thumbnails_data)) + ' times (thumbnail)')

        tmp = []

        if len(thumbnails_data) != 0:

            tmp = re.findall('(data:image/jpeg;base64,[a-z,A-Z,0-9,/,\+]+)', thumbnails_data[0])

        thumbnail = ''

        if len(tmp) != 0:

            thumbnail = tmp[-1]

        # append result

        results.append({'url': url,

                        'title': title,

                        'content': content,

                        'thumbnail': '',

                        'thumbnail': thumbnail,

                        'template': 'videos.html'})

    return results