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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 %s@%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
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Python Pexpect