Пример #1
0
def ask_echonest(artist_name):
    # get artist
    artist = artist.search(name = artist_name)[0]
    
    # get song
    song = pyechonest.song.search(artist = artist, max_duration = 240, buckets = ["id:spotify-WW"])[0]
    
    # return song id
    return song.get_tracks('spotify-WW')[0]
Пример #2
0
def index(req):
    #artist = "Weezer"
    
    s = ""
    
    s += "<!DOCTYPE html>"
    
    s += "<html>"
    s += "<head>"
    s += "<title>Harmony Generated Playlist</title>"
    s += "<script type='text/javascript' src='jwplayer.js'></script>"
    s += "<script src='https://ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js'></script>"
    s += "<script src='token.js'></script>"
    s += "<script src='rdio.js'></script>"
    s += "<link rel='stylesheet' type='text/css' href='main.css'>"
    s += "</head>"
    s += "<body>"
    
    s += "<div id='header'>"
    s += "<h1>Harmony Generated Playlist</h1>"
    s += "<a href='http://the.echonest.com'><img src='en-powered.gif' alt='Powered by the Echo Nest' /></a><br />"
    s += "</div>"
    #s += "Powered by <a href='http://www.rdio.com/'>Rdio&reg;</a><br /><br />"
    
    form = util.FieldStorage(req, keep_blank_values=1)
    artist = form.getfirst("artist")
    
    #s += str(myparameter)
    
    song = getSong(artist)
    
    track = song.get_tracks("7digital")[0]
    
    s += "ARTIST: " + artist + "<br />"
    s += "SONG TITLE: " + song.title + "<br /><br />"
    #s += str(track) + "<br /><br />"
    #s += "MP3: " + track['preview_url'] + "<br /><br />"
    
    # Album Art
    s += "<img src='" + track['release_image'] + "' />"
    
    # MP3 player for seed song
    s += "<div id='mediaspace'>This text will be replaced</div>"
    s += """<script type='text/javascript'>
  jwplayer('mediaspace').setup({
    'flashplayer': 'player.swf',
    'file': '""" + track['preview_url'] + """',
    'controlbar': 'bottom',
    'width': '470',
    'height': '24'
  });
</script>"""
    
    # Print chord progression
    s += "<br />"
    s += "Chord Progression: "
    
    chordProgression = getChordProgression(track)
    s += "<div id='chord-progression'>"
    
    for i in range(len(chordProgression)):
        s += chordProgression[i]['name']
        if i != len(chordProgression) - 1:
            s += " - "
    
    s += "</div>"
   
    # Playlist
    playlist = makePlaylist(artist, chordProgression)
    
    s += "<br />"
    
    for i in range(len(playlist)):
        s += "<div class='playlist-item'>"
        
        if playlist[i]['image'] != "NOT FOUND":
            s += "<div class='image'>"
            s += "<img src='" + playlist[i]['image'] + "' />"
            s += "</div>"
        else :
            s += "<div class='image'>"
            s += "&nbsp;"
            s += "</div>"
        
        s += "<div class='info'>"
        s += "Artist: " + playlist[i]['artist'] + "<br />"
        s += "Title: " + playlist[i]['title'] + "<br />"
        s += "Key: " + keys[playlist[i]['key']]
        
        if playlist[i]['mode'] == 1:
            s += " major"
        else:
            s += " minor"
        
        s += "<br />"
        
        # player
        #s += playlist[i]['rdio'] + "<br />"
        #s += "<div id='player_" + str(i) + "'>This text will be replaced</div>"
        #s += """<script type='text/javascript'>
        
        #var flashvars = {
        #    'playbackToken': playback_token, // from token.js
        #    'domain': domain,                // from token.js
        #    'listener': 'callback_object'    // the global name of the object that will receive callbacks from the SWF
        #    };
        #  var params = {
        #    'allowScriptAccess': 'always'
        #  };
        #  var attributes = {};
        #  swfobject.embedSWF('http://www.rdio.com/api/swf/', // the location of the Rdio Playback API SWF
        #      'player_""" + str(i) + """', // the ID of the element that will be replaced with the SWF
        #      1, 1, '9.0.0', 'expressInstall.swf', flashvars, params, attributes);
        #
        #    </script>"""
        
        if playlist[i]['mp3'] != "NOT FOUND":
            s += "<div id='player_" + str(i) + "'>This text will be replaced</div>"
            s += """<script type='text/javascript'>
              jwplayer('player_""" + str(i) +  """').setup({
                'flashplayer': 'player.swf',
                'file': '""" + playlist[i]['mp3'] + """',
                'controlbar': 'bottom',
                'width': '470',
                'height': '24'
              });
            </script>"""
            
            
        s += "</div><!-- /.info -->"
        s += "</div><!-- /.playlist-item -->"
    
    #s += str(playlist)
   
    s += "</body>"
    s += "</html>"
    return s
Пример #3
0
def application(environ, start_response):
    
    s = ""

    s += "<!DOCTYPE html>"
    
    s += "<html>"
    s += "<head>"
    s += "<title>Harmony Generated Playlist</title>"
    s += "<script type='text/javascript' src='jwplayer.js'></script>"
    s += "<script src='https://ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js'></script>"
    s += "<link rel='stylesheet' type='text/css' href='main.css'>"
    s += "</head>"
    s += "<body>"
    
    s += "<div id='header'>"
    s += "<h1>Harmony Generated Playlist</h1>"
    s += "<a href='http://the.echonest.com'><img src='en-powered.gif' alt='Powered by the Echo Nest' /></a><br />"
    s += "</div>"
    
    queryParams = parse_qs(environ['QUERY_STRING'])
    artist = escape(queryParams.get('artist', [''])[0])
    sim = escape(queryParams.get('sim', [''])[0])

    if sim == "":
        sim = "0"
    
    if artist == "":
        artist = "Weezer"       
        song = getSong(artist)

    songTitle = escape(queryParams.get('song', [''])[0])

    if isinstance(artist, types.StringType):
        song = getSong2(artist, songTitle)
        
    track = song.get_tracks("7digital-US")[0]
    
    s += "<div id='info-container'>"
    s += "<div id='info-left'>"
    s += "ARTIST: " + song.artist_name + "<br />"
    s += "SONG TITLE: " + song.title + "<br /><br />"
    
    # Album Art
    s += "<img src='" + track['release_image'] + "' />"
    
    # MP3 player for seed song
    s += "<div id='mediaspace'>This text will be replaced</div>"
    s += """<script type='text/javascript'>
          jwplayer('mediaspace').setup({
            'flashplayer': 'player.swf',
            'file': '""" + track['preview_url'] + """',
            'controlbar': 'bottom',
            'width': '470',
            'height': '24'
          });
        </script>"""

    s += "</div><!-- /#info-left -->"

    s += "<div id='info-right'>"
    s += "<h2>How It Works</h2>"
    s += "<ul>"
    s += "<li>Get seed artist from ?artist param (default Weezer)</li>"
    s += "<li>Select random song from catalog (or from ?song)</li>"
    s += "<li>Get audio analysis from Echo Nest</li>"
    s += "<li>Get chroma vectors</li>"
    s += "<li>Compare chroma vectors to chord dictionary</li>"
    s += "<li>Use cosine similarity - choose closest</li>"
    s += "<li>For each chord, select a song in that key</li>"
    s += "<li>If chord = D maj, song key = D major</li>"
    s += "<li>Select songs from similar artists only</li>"
    s += "<li>Compile playlist</li>"
    s += "</ul>"
    s += "</div><!-- /#info-right -->"

    
    s += "</div><!-- /#info-container -->"
    
    # Print chord progression
    s += "<br />"
    s += "Chord Progression: "
    
    chordProgression = getChordProgression(track)
    s += "<div id='chord-progression'>"
    
    for i in range(len(chordProgression)):
        s += chordProgression[i]['name']
        
        if sim == "1":
            s += "<small>(" + str(chordProgression[i]['sim'] * 100) + "% )</small>"
        
        
        if i != len(chordProgression) - 1:
            s += " - "
    
    s += "</div>"
   
    # Playlist
    playlist = makePlaylist(artist, chordProgression)
    
    s += "<br />"
    
    for i in range(len(playlist)):
        s += "<div class='playlist-item'>"
        
        if playlist[i]['image'] != "NOT FOUND":
            s += "<div class='image'>"
            s += "<img src='" + playlist[i]['image'] + "' />"
            s += "</div>"
        else :
            s += "<div class='image'>"
            s += "&nbsp;"
            s += "</div>"
        
        s += "<div class='info'>"
        s += "Artist: " + playlist[i]['artist'] + "<br />"
        s += "Title: " + playlist[i]['title'] + "<br />"
        s += "Key: " + keys[playlist[i]['key']]
        
        if playlist[i]['mode'] == 1:
            s += " major"
        else:
            s += " minor"
        
        s += "<br />"
        
        if playlist[i]['mp3'] != "NOT FOUND":
            s += "<div id='player_" + str(i) + "'>This text will be replaced</div>"
            s += """<script type='text/javascript'>
              jwplayer('player_""" + str(i) +  """').setup({
                'flashplayer': 'player.swf',
                'file': '""" + playlist[i]['mp3'] + """',
                'controlbar': 'bottom',
                'width': '470',
                'height': '24'
              });
            </script>"""
            
            
        s += "</div><!-- /.info -->"
        s += "</div><!-- /.playlist-item -->"
   
    s += "</body>"
    s += "</html>"

    response_body = s
    status = '200 OK'
    response_headers = [('Content-Type', 'text/html'), ('Content-Length', str(len(response_body)))]
    start_response(status, response_headers)
    return [bytes(response_body)]