def get_chromagram(self, mode=MusicDataType.AUDIO):
"""
Get chromagram for the spotify track
Creates chromagram either from mp3(:meth:`utils.get_chromagram_from_audio`) or echonest analysis (:meth:`apiwrappers.echonest.get_echonestsong_by_spotifyid`) of the spotify track.Chromagram may return None if there is no matching echonest song for the spotify track
Args:
mode: :class:`.MusicDataType`. either should be audio or echonest
Returns:
Chromagram representation.
"""
directory = os.path.dirname(os.path.abspath(__file__))
if mode == MusicDataType.AUDIO:
audio_file_path = directory + '/' + self.id + '.mp3'
utils.download_file(self.preview_url, audio_file_path)
chromagram = utils.get_chromagram_from_audio(audio_file_path)
utils.remove_file(audio_file_path)
return chromagram
elif mode == MusicDataType.ECHONEST:
e = get_echonestsong_by_spotifyid(self.id)
if e:
self.echonest_features = e.features
return e.features.chroma
else:
print "No echonest song found for spotify:track:"+self.id
return None
def get_chromagram(self,mode=MusicDataType.AUDIO):
directory = os.path.dirname(os.path.abspath(__file__))
if mode == MusicDataType.AUDIO:
audio_file_path = directory + '/' + self.id + '.mp3'
utils.download_file(self.preview_url, audio_file_path)
chromagram = utils.get_chromagram_from_audio(audio_file_path)
utils.remove_file(audio_file_path)
return chromagram
elif mode == MusicDataType.ECHONEST:
if self.features:
return self.features.chroma
else:
print "No echonest song found for:"+self.id
return None
