Python   Pexpect

Pexpect 是一个用来启动子程序并对其进行自动控制的纯 Python 模块。 Pexpect 可以用来和像 ssh、ftp、passwd、telnet
等命令行程序进行自动交互。def ssh_cmd(ip, user, passwd, cmd):

result = ‘‘

ssh = pexpect.spawn(‘ssh %[email protected]%s "%s"‘ % (user, ip, cmd))

try:

i = ssh.expect([‘password:‘, ‘continue connecting (yes/no)?‘], timeout=5)

if i == 0:

ssh.sendline(passwd)

elif i == 1:

ssh.sendline(‘yes\n‘)

ssh.expect(‘password: ‘)

ssh.sendline(passwd)

result = ssh.read()

except pexpect.EOF:

print ‘EOF for %s‘ % (ip)

ssh.close()

except pexpect.TIMEOUT:

print ‘TIMEOUT for %s‘ % (ip)

ssh.close()

ssh.close()

return result