class PlaylistItem(models.Model):
    playlist = models.ForeignKey(Playlist,related_name='items',edit_inline=models.TABULAR,core=True)
    oggFile = models.ForeignKey(OggFile,core=True,default=None)
    range= models.IntegerField()
    played = models.BooleanField(default=False,editable=False)

    def save(self):
        if not self.range:
            self.range = self.playlist.items.count() + 1 
        models.Model.save(self)
    class Admin:
        pass