def get_replay_gain(self): """returns a ReplayGain object of our ReplayGain values returns None if we have no values""" from audiotools.ape import ApeTag # if current metadata is present and is in APEv2 format, # return contents of "replaygain_" tags metadata = self.get_metadata() if ((metadata is not None) and isinstance(metadata, ApeTag)): return ApeGainedAudio.get_replay_gain(self) else: # otherwise, return None return None