If you try to use the previous Telnet example and plug it into an SSH session instead, you might find yourself pretty frustrated with the experience. You always have to include the username in the session, answering the ssh new key question, and much more mundane tasks. There are many ways to make SSH sessions work, but luckily, Pexpect has a subclass called pxssh, which specializes in setting up SSH connections. The class adds methods for login, log out, and various tricky things to handle the different situations in the ssh login process. The procedures are mostly the same, with the exception of login() and logout():
>>> from pexpect import pxssh>>> child = pxssh.pxssh()>>> child.login('172.16.1.20', 'cisco', 'cisco', auto_prompt_reset=False) ...