[fix] get youtube results from js object
Results are not appearing in the html document anymore, instead they are found inside an object embedded in a script.
This commit is contained in:
Marc Abonce Seguin
parent
a80a2d05d1
commit
f2d49a6971
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@ -8,7 +8,8 @@
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# @stable no
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# @parse url, title, content, publishedDate, thumbnail, embedded
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from lxml import html
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from functools import reduce
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from json import loads
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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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from searx.url_utils import quote_plus
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@ -34,20 +35,6 @@ embedded_url = '<iframe width="540" height="304" ' +\
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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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@ -63,27 +50,38 @@ def request(query, params):
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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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results_data = resp.text[resp.text.find('ytInitialData'):]
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results_data = results_data[results_data.find('{'):results_data.find(';\n')]
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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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results_json = loads(results_data) if results_data else {}
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sections = results_json.get('contents', {})\
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.get('twoColumnSearchResultsRenderer', {})\
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.get('primaryContents', {})\
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.get('sectionListRenderer', {})\
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.get('contents', [])
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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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for section in sections:
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for video_container in section.get('itemSectionRenderer', {}).get('contents', []):
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video = video_container.get('videoRenderer', {})
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videoid = video.get('videoId')
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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 = video.get('title', {}).get('simpleText', videoid)
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description_snippet = video.get('descriptionSnippet', {})
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if 'runs' in description_snippet:
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content = reduce(lambda a, b: a + b.get('text', ''), description_snippet.get('runs'), '')
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else:
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content = description_snippet.get('simpleText', '')
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embedded = embedded_url.format(videoid=videoid)
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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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# 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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@ -46,121 +46,71 @@ class TestYoutubeNoAPIEngine(SearxTestCase):
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self.assertEqual(youtube_noapi.response(response), [])
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html = """
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<ol id="item-section-063864" class="item-section">
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<li>
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<div class="yt-lockup yt-lockup-tile yt-lockup-video vve-check clearfix yt-uix-tile"
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data-context-item-id="DIVZCPfAOeM"
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data-visibility-tracking="CBgQ3DAYACITCPGXnYau6sUCFZEIHAod-VQASCj0JECx_-GK5uqMpcIB">
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<div class="yt-lockup-dismissable"><div class="yt-lockup-thumbnail contains-addto">
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<a aria-hidden="true" href="/watch?v=DIVZCPfAOeM" class=" yt-uix-sessionlink pf-link"
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data-sessionlink="itct=CBgQ3DAYACITCPGXnYau6sUCFZEIHAod-VQASCj0JFIEdGVzdA">
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<div class="yt-thumb video-thumb"><img src="//i.ytimg.com/vi/DIVZCPfAOeM/mqdefault.jpg"
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width="196" height="110"/></div><span class="video-time" aria-hidden="true">11:35</span></a>
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<span class="thumb-menu dark-overflow-action-menu video-actions">
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</span>
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</div>
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<div class="yt-lockup-content">
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<h3 class="yt-lockup-title">
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<a href="/watch?v=DIVZCPfAOeM"
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class="yt-uix-tile-link yt-ui-ellipsis yt-ui-ellipsis-2 yt-uix-sessionlink spf-link"
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data-sessionlink="itct=CBgQ3DAYACITCPGXnYau6sUCFZEIHAod-VQASCj0JFIEdGVzdA"
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title="Top Speed Test Kawasaki Ninja H2 (Thailand) By. MEHAY SUPERBIKE"
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aria-describedby="description-id-259079" rel="spf-prefetch" dir="ltr">
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Title
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</a>
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<span class="accessible-description" id="description-id-259079"> - Durée : 11:35.</span>
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</h3>
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<div class="yt-lockup-byline">de
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<a href="/user/mheejapan" class=" yt-uix-sessionlink spf-link g-hovercard"
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data-sessionlink="itct=CBgQ3DAYACITCPGXnYau6sUCFZEIHAod-VQASCj0JA" data-ytid="UCzEesu54Hjs0uRKmpy66qeA"
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data-name="">MEHAY SUPERBIKE</a></div><div class="yt-lockup-meta">
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<ul class="yt-lockup-meta-info">
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<li>il y a 20 heures</li>
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<li>8 424 vues</li>
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</ul>
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</div>
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<div class="yt-lockup-description yt-ui-ellipsis yt-ui-ellipsis-2" dir="ltr">
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Description
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</div>
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<div class="yt-lockup-badges">
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<ul class="yt-badge-list ">
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<li class="yt-badge-item" >
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<span class="yt-badge">Nouveauté</span>
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</li>
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<li class="yt-badge-item" ><span class="yt-badge " >HD</span></li>
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</ul>
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</div>
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<div class="yt-lockup-action-menu yt-uix-menu-container">
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<div class="yt-uix-menu yt-uix-videoactionmenu hide-until-delayloaded"
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data-video-id="DIVZCPfAOeM" data-menu-content-id="yt-uix-videoactionmenu-menu">
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</div>
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</div>
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</div>
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</div>
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</div>
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</li>
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</ol>
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<div></div>
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<script>
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window["ytInitialData"] = {
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"contents": {
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"twoColumnSearchResultsRenderer": {
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"primaryContents": {
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"sectionListRenderer": {
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"contents": [
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{
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"itemSectionRenderer": {
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"contents": [
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{
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"videoRenderer": {
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"videoId": "DIVZCPfAOeM",
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"title": {
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"simpleText": "Title"
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},
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"descriptionSnippet": {
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"runs": [
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{
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"text": "Des"
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},
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{
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"text": "cription"
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}
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]
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}
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}
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},
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{
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"videoRenderer": {
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"videoId": "9C_HReR_McQ",
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"title": {
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"simpleText": "Title"
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},
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"descriptionSnippet": {
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"simpleText": "Description"
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}
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}
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}
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]
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}
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}
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]
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}
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}
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}
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}
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};
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</script>
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"""
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response = mock.Mock(text=html)
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results = youtube_noapi.response(response)
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self.assertEqual(type(results), list)
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self.assertEqual(len(results), 1)
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self.assertEqual(len(results), 2)
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self.assertEqual(results[0]['title'], 'Title')
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self.assertEqual(results[0]['url'], 'https://www.youtube.com/watch?v=DIVZCPfAOeM')
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self.assertEqual(results[0]['content'], 'Description')
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self.assertEqual(results[0]['thumbnail'], 'https://i.ytimg.com/vi/DIVZCPfAOeM/hqdefault.jpg')
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self.assertTrue('DIVZCPfAOeM' in results[0]['embedded'])
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html = """
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<ol id="item-section-063864" class="item-section">
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<li>
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<div class="yt-lockup yt-lockup-tile yt-lockup-video vve-check clearfix yt-uix-tile"
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data-context-item-id="DIVZCPfAOeM"
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data-visibility-tracking="CBgQ3DAYACITCPGXnYau6sUCFZEIHAod-VQASCj0JECx_-GK5uqMpcIB">
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<div class="yt-lockup-dismissable"><div class="yt-lockup-thumbnail contains-addto">
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<a aria-hidden="true" href="/watch?v=DIVZCPfAOeM" class=" yt-uix-sessionlink pf-link"
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data-sessionlink="itct=CBgQ3DAYACITCPGXnYau6sUCFZEIHAod-VQASCj0JFIEdGVzdA">
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<div class="yt-thumb video-thumb"><img src="//i.ytimg.com/vi/DIVZCPfAOeM/mqdefault.jpg"
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width="196" height="110"/></div><span class="video-time" aria-hidden="true">11:35</span></a>
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<span class="thumb-menu dark-overflow-action-menu video-actions">
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</span>
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</div>
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<div class="yt-lockup-content">
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<h3 class="yt-lockup-title">
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<span class="accessible-description" id="description-id-259079"> - Durée : 11:35.</span>
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</h3>
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<div class="yt-lockup-byline">de
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<a href="/user/mheejapan" class=" yt-uix-sessionlink spf-link g-hovercard"
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data-sessionlink="itct=CBgQ3DAYACITCPGXnYau6sUCFZEIHAod-VQASCj0JA" data-ytid="UCzEesu54Hjs0uRKmpy66qeA"
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data-name="">MEHAY SUPERBIKE</a></div><div class="yt-lockup-meta">
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<ul class="yt-lockup-meta-info">
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<li>il y a 20 heures</li>
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<li>8 424 vues</li>
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</ul>
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</div>
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<div class="yt-lockup-badges">
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<ul class="yt-badge-list ">
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<li class="yt-badge-item" >
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<span class="yt-badge">Nouveauté</span>
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</li>
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<li class="yt-badge-item" ><span class="yt-badge " >HD</span></li>
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</ul>
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</div>
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<div class="yt-lockup-action-menu yt-uix-menu-container">
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<div class="yt-uix-menu yt-uix-videoactionmenu hide-until-delayloaded"
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data-video-id="DIVZCPfAOeM" data-menu-content-id="yt-uix-videoactionmenu-menu">
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</div>
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</div>
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</div>
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</div>
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</div>
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</li>
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</ol>
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"""
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response = mock.Mock(text=html)
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results = youtube_noapi.response(response)
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self.assertEqual(type(results), list)
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self.assertEqual(len(results), 1)
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self.assertEqual(results[1]['title'], 'Title')
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self.assertEqual(results[1]['url'], 'https://www.youtube.com/watch?v=9C_HReR_McQ')
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self.assertEqual(results[1]['content'], 'Description')
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self.assertEqual(results[1]['thumbnail'], 'https://i.ytimg.com/vi/9C_HReR_McQ/hqdefault.jpg')
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self.assertTrue('9C_HReR_McQ' in results[1]['embedded'])
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html = """
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<ol id="item-section-063864" class="item-section">
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