text.py 文件源码

def terminal_size():
    """
    Return the number of terminal columns and rows, defaulting to
    80x24 if the standard output is not a TTY.

    NOTE THAT THIS ONLY WORKS ON UNIX.
    """
    if sys.stdout.isatty():
        # TODO: This only works on Unix.
        rows, columns = [int(x) for x in
                         os.popen('stty size', 'r').read().split()]
    else:
        rows = 24
        columns = 80

    return rows, columns