ssh.py 文件源码

def interactive_ssh_channel(chan, command=None, stdin=sys.stdin):
    try:
        stdin_is_tty = stdin.isatty()
    except Exception:
        stdin_is_tty = False

    if stdin_is_tty:
        oldtty = termios.tcgetattr(stdin)
        chan.get_pty()

    if command is not None:
        chan.exec_command(command)

    try:
        if stdin_is_tty:
            tty.setraw(stdin.fileno())
            tty.setcbreak(stdin.fileno())
        return utils.CommandStatus(*drain_ssh_channel(chan, stdin))
    finally:
        if stdin_is_tty:
            termios.tcsetattr(stdin, termios.TCSADRAIN, oldtty)