t_dumb.py 文件源码

def enable():
    global old_tc
    # set terminal attributes
    new = termios.tcgetattr(sys.stdin.fileno())
    if old_tc == None:
        old_tc = new[:]
    new[3] = new[3] & ~termios.ECHO
    new[3] = new[3] & ~termios.ICANON
    termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, new)
    del new