Esempio n. 1
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def create_channel_and_get_first_video(artist_name):
    """
    Constructs a new channel from a given seed artist, and returns first video
    that should be displayed
    """
    # Take care of the channel stuff
    channel = create_channel(artist_name)
    playlist_info = echonest.start_dynamic_playlist(artist_name)
    
    channel.echonest_session_id = playlist_info['session_id']
    channel.save()
    
    rval = {}
    rval['channel'] = channel        
    
    # Get the video!
    videos = youtube.find_music_videos(playlist_info['artist_name'], playlist_info['song_title'], 1)
    if videos is None:
        for _ in xrange(MAX_FIRST_VIDEO_RETRY_SEARCH_ATTEMPT):
            song_info = echonest.get_next_song_dynamic_playlist(channel.echonest_session_id, channel.seed_artist)
            videos = youtube.find_music_videos(song_info['artist_name'], song_info['song_title'], 1)
            if videos is not None:
                # We're done here, move along...
                break
            time.sleep(RETRY_WAIT_TIME)
    
    if videos != None:
        rval['video_info'] = videos[0]
    rval['artist'] = playlist_info['artist_name']
    rval['song'] = playlist_info['song_title']
    
    return rval
Esempio n. 2
0
def search_and_create_video(artist_name, song_name, channel_hash):
    """
    Searches YouTube for a video for a given artist and song title, and then
    saves a corresponding music video object in the persistence layer. Video
    object is then returned
    """
    # Look for a music video on youtube    
    videos = youtube.find_music_videos(artist_name, song_name, 1)

    if videos != None:
        # Save video to DB
        video_info = videos[0]
        video = create_video(artist_name, song_name, video_info['source_url'], video_info['thumbnail_url'], channel_hash)
        return video
    
    return None