Python SSH登陆--pexpect，pxssh

from pexpect import pxssh

host = '192.168.80.139'
user = 'allen'
password = 'allen'
command = 'df -h'

def connect(hostname, username, password):
try:
s = pxssh.pxssh()
s.login(hostname, username, password)
return s
#print s
except pxssh.ExceptionPxssh, e:
print str(e)

def send_command(ssh_session, command):
ssh_session.send(command)
ssh_session.prompt()
print ssh_session.before

def main():
session = connect(host, user, password)
send_command(session, command)
session.logout()

if __name__ == '__main__':
main()
http://pexpect.sourceforge.net/pexpect.html