def METHOD_NAME(self):
    """
    Method to get cover file from cover provider for a specific song.
    Should always return a file-like object opened as read-only if any
    and None otherwise.
    """
    cp = self.cover_path
    try:
        return open(cp, 'rb') if cp and path.isfile(cp) else None
    except IOError:
        print_w('Failed reading album art "{}"'.format(path))