+ def set_audio_length(self):
+ length = self.get_audio_length()
+ if length > 0:
+ self.audio_length = self.format_audio_length(length)
+ self.save()
+
+ @staticmethod
+ def format_audio_length(seconds):
+ if seconds < 60*60:
+ minutes = seconds // 60
+ seconds = seconds % 60
+ return '%d:%02d' % (minutes, seconds)
+ else:
+ hours = seconds // 3600
+ minutes = seconds % 3600 // 60
+ seconds = seconds % 60
+ return '%d:%02d:%02d' % (hours, minutes, seconds)
+
+ def get_audio_length(self):
+ from mutagen.mp3 import MP3
+ total = 0
+ for media in self.get_mp3() or ():
+ audio = MP3(media.file.path)
+ total += audio.info.length
+ return int(total)
+