How Python judges and peer-to-peer Linux hosts are network-pass

We often use a Python script to log on to the remote Linux system through the Paramiko to perform some script operations, but if the remote host a lot, here we should be able to determine whether the local and remote network is a pass, through a way to determine whether the network is a pass.

1 #!/user/bin/python2 Importsubprocess3 defPing (IP):4cmd ='ping-n 1%s'%IP5outfile ='ping.tmp'6ret = Subprocess.call (cmd,shell=ture,stdout = open (outfile,'A +'), stderr =subprocess. STOUT)7     ifRET = =0:8         Print "%s server is Alive"%IP9     ElseTen         Print "%s Server is down"%IP One  A if '__name__'=='__main__' -Ping (192.1.1.1)

How Python judges and peer-to-peer Linux hosts are network-pass