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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 functools import reduce
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from json import loads
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from urllib.parse import quote_plus
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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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time_range_support = True
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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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time_range_url = '&sp=EgII{time_range}%253D%253D'
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time_range_dict = {'day': 'Ag',
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'week': 'Aw',
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'month': 'BA',
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'year': 'BQ'}
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embedded_url = '<iframe width="540" height="304" ' +\
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'data-src="https://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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# 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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if params['time_range'] in time_range_dict:
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params['url'] += time_range_url.format(time_range=time_range_dict[params['time_range']])
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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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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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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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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 = get_text_from_json(video.get('title', {}))
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content = get_text_from_json(video.get('descriptionSnippet', {}))
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embedded = embedded_url.format(videoid=videoid)
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author = get_text_from_json(video.get('ownerText', {}))
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length = get_text_from_json(video.get('lengthText', {}))
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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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'author': author,
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'length': length,
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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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def get_text_from_json(element):
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if 'runs' in element:
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return reduce(lambda a, b: a + b.get('text', ''), element.get('runs'), '')
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else:
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return element.get('simpleText', '')
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