__author__ = ‘jenny‘

import pexpect

ip="localhost"

user="jenny"

passwd="gaoxing"

if __name__=="__main__":

    child = pexpect.spawn("ssh-keygen")

    print child.expect("Enter file*")

    child.sendline()

    try:

        child.expect("Overwrite*", timeout=3)

        child.sendline()

    except:

        pass

    print child.expect("Enter passphrase*")

    child.sendline()

    print child.expect("Enter same passphrase*")

    child.sendline()

pxssh的简单使用