pota.py 文件源码

def _find_getch():
    try:
        import termios
    except ImportError:
        import msvcrt
        return msvcrt.getch

    import sys, tty
    def _getch():
        fd = sys.stdin.fileno()
        old_settings = termios.tcgetattr(fd)
        try:
            tty.setraw(fd)
            ch = sys.stdin.read(1)
        finally:
            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
        return ch

    return _getch

# read single character without waiting for '\n'