Combining two ping command using python

[xiaozai]

I have two working command that check a device up/down and copy packet loss value.

For checking a device up and down i used

Code: Select all

result = os.system ("ping -c 5 " +hostname)

For copy a packet loss value, i used

Code: Select all

packetloss = os.popen ("ping -c 5 " +hostname+ "| grep -oP '\d+(?=% packet loss)'").read().rstrip()
packetloss = int(packetloss)

I know its not practical to use os.system. My question is how to combine both of the command? For now i need to ping two times just to get device up/down and another ping to check the packet loss value. How can i just ping once to get both result? Its time consuming if i keep ping the same device two times

[B.Goode]

(I thought I had seen this query earlier today, but I can't find it in the forums now. Odd?Or impatient?)

Presumably if the target is not accessible you will not get a meaningful value for packet loss?

Or issue the ping once, store the information it returns, and then process that output in multiple ways?

[davef21370]

Code: Select all

import subprocess

url = "www.google.com"

ping = subprocess.Popen(["ping", "-n", "1", url], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
print ping.stdout.readlines()

Parse the output and you should get what you need.

Dave.

[DougieLawson]

Why not use https://pypi.python.org/pypi/pyping/