python SSHコマンドを呼び出す

# --*-- coding:utf-8 --*--

import paramiko

ip = '192.168.1.200'
port = 22
username = 'pi'
password = 'raspberry'
session_timeout = 60
client = paramiko.SSHClient()
#client.get_host_keys().add('ssh.example.com', 'ssh-rsa', key)
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect(ip, username=username, password=password)
stdin, stdout, stderr = client.exec_command('ls')
for line in stdout:
    print '... ' + line.strip('
')
client.close()