|  | ## Youtube (Videos)
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							|  | #
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							|  | # @website     https://www.youtube.com/
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							|  | # @provide-api yes (http://gdata-samples-youtube-search-py.appspot.com/)
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							|  | #
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							|  | # @using-api   yes
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							|  | # @results     JSON
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							|  | # @stable      yes
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							|  | # @parse       url, title, content, publishedDate, thumbnail, embedded
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							|  | 
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							|  | from json import loads
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							|  | from urllib import urlencode
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							|  | from dateutil import parser
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							|  | 
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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 = True
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							|  | 
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							|  | # search-url
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							|  | base_url = 'https://gdata.youtube.com/feeds/api/videos'
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							|  | search_url = base_url + '?alt=json&{query}&start-index={index}&max-results=5'
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							|  | 
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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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							|  | 
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							|  | 
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							|  | # do search-request
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							|  | def request(query, params):
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							|  |     index = (params['pageno'] - 1) * 5 + 1
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							|  | 
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							|  |     params['url'] = search_url.format(query=urlencode({'q': query}),
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							|  |                                       index=index)
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							|  | 
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							|  |     # add language tag if specified
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							|  |     if params['language'] != 'all':
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							|  |         params['url'] += '&lr=' + params['language'].split('_')[0]
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							|  | 
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							|  |     return params
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							|  | 
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							|  | 
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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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							|  | 
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							|  |     search_results = loads(resp.text)
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							|  | 
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							|  |     # return empty array if there are no results
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							|  |     if not 'feed' in search_results:
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							|  |         return []
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							|  | 
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							|  |     feed = search_results['feed']
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							|  | 
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							|  |     # parse results
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							|  |     for result in feed['entry']:
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							|  |         url = [x['href'] for x in result['link'] if x['type'] == 'text/html']
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							|  | 
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							|  |         if not url:
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							|  |             return
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							|  | 
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							|  |         # remove tracking
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							|  |         url = url[0].replace('feature=youtube_gdata', '')
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							|  |         if url.endswith('&'):
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							|  |             url = url[:-1]
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							|  | 
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							|  |         videoid = url[32:]
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							|  | 
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							|  |         title = result['title']['$t']
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							|  |         content = ''
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							|  |         thumbnail = ''
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							|  | 
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							|  |         pubdate = result['published']['$t']
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							|  |         publishedDate = parser.parse(pubdate)
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							|  | 
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							|  |         if result['media$group']['media$thumbnail']:
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							|  |             thumbnail = result['media$group']['media$thumbnail'][0]['url']
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							|  | 
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							|  |         content = result['content']['$t']
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							|  | 
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							|  |         embedded = embedded_url.format(videoid=videoid)
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							|  | 
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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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							|  |                         'publishedDate': publishedDate,
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							|  |                         'embedded': embedded,
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							|  |                         'thumbnail': thumbnail})
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							|  | 
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							|  |     # return results
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							|  |     return results
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