searx/searx/engines/youtube_noapi.py

# Youtube (Videos)
#
# @website     https://www.youtube.com/
# @provide-api yes (https://developers.google.com/apis-explorer/#p/youtube/v3/youtube.search.list)
#
# @using-api   no
# @results     HTML
# @stable      no
# @parse       url, title, content, publishedDate, thumbnail, embedded

from urllib import quote_plus
from lxml import html
from searx.engines.xpath import extract_text

# engine dependent config
categories = ['videos', 'music']
paging = True
language_support = False

# search-url
base_url = 'https://www.youtube.com/results'
search_url = base_url + '?search_query={query}&page={page}'

embedded_url = '<iframe width="540" height="304" ' +\
    'data-src="//www.youtube-nocookie.com/embed/{videoid}" ' +\
    'frameborder="0" allowfullscreen></iframe>'

base_youtube_url = 'https://www.youtube.com/watch?v='

# specific xpath variables
results_xpath = "//ol/li/div[contains(@class, 'yt-lockup yt-lockup-tile yt-lockup-video vve-check')]"
url_xpath = './/h3/a/@href'
title_xpath = './/div[@class="yt-lockup-content"]/h3/a'
content_xpath = './/div[@class="yt-lockup-content"]/div[@class="yt-lockup-description yt-ui-ellipsis yt-ui-ellipsis-2"]'


# do search-request
def request(query, params):
    params['url'] = search_url.format(query=quote_plus(query),
                                      page=params['pageno'])

    return params


# get response from search-request
def response(resp):
    results = []

    dom = html.fromstring(resp.text)

    # parse results
    for result in dom.xpath(results_xpath):
        videoid = result.xpath('@data-context-item-id')[0]

        url = base_youtube_url + videoid
        thumbnail = 'https://i.ytimg.com/vi/' + videoid + '/hqdefault.jpg'

        title = extract_text(result.xpath(title_xpath)[0])
        content = extract_text(result.xpath(content_xpath)[0])

        embedded = embedded_url.format(videoid=videoid)

        # append result
        results.append({'url': url,
                        'title': title,
                        'content': content,
                        'template': 'videos.html',
                        'embedded': embedded,
                        'thumbnail': thumbnail})

    # return results
    return results