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# Youtube (Videos)
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#
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# @website https://www.youtube.com/
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# @provide-api yes (https://developers.google.com/apis-explorer/#p/youtube/v3/youtube.search.list)
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#
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# @using-api no
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# @results HTML
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# @stable no
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# @parse url, title, content, publishedDate, thumbnail, embedded
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from urllib import quote_plus
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from lxml import html
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from searx.engines.xpath import extract_text
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from searx.utils import list_get
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# engine dependent config
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categories = ['videos', 'music']
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paging = True
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language_support = False
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# search-url
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base_url = 'https://www.youtube.com/results'
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search_url = base_url + '?search_query={query}&page={page}'
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embedded_url = '<iframe width="540" height="304" ' +\
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'data-src="//www.youtube-nocookie.com/embed/{videoid}" ' +\
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'frameborder="0" allowfullscreen></iframe>'
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base_youtube_url = 'https://www.youtube.com/watch?v='
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# specific xpath variables
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results_xpath = "//ol/li/div[contains(@class, 'yt-lockup yt-lockup-tile yt-lockup-video vve-check')]"
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url_xpath = './/h3/a/@href'
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title_xpath = './/div[@class="yt-lockup-content"]/h3/a'
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content_xpath = './/div[@class="yt-lockup-content"]/div[@class="yt-lockup-description yt-ui-ellipsis yt-ui-ellipsis-2"]'
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# returns extract_text on the first result selected by the xpath or None
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def extract_text_from_dom(result, xpath):
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r = result.xpath(xpath)
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if len(r) > 0:
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return extract_text(r[0])
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return None
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# do search-request
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def request(query, params):
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params['url'] = search_url.format(query=quote_plus(query),
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page=params['pageno'])
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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(results_xpath):
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videoid = list_get(result.xpath('@data-context-item-id'), 0)
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if videoid is not None:
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url = base_youtube_url + videoid
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thumbnail = 'https://i.ytimg.com/vi/' + videoid + '/hqdefault.jpg'
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title = extract_text_from_dom(result, title_xpath) or videoid
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content = extract_text_from_dom(result, content_xpath)
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embedded = embedded_url.format(videoid=videoid)
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# append result
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results.append({'url': url,
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'title': title,
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'content': content,
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'template': 'videos.html',
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'embedded': embedded,
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'thumbnail': thumbnail})
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# return results
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return results
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