CODEWITHSUNDEEP
pythonarp
Ioan Loosley
Ioan Loosley

Reputation: 119

Getting mac adresses from arp request

Hi i am trying to get a python script to get a mac address from a arp -n command and i am struggling to get just the mac address.

current code:

for ipaddr in uip:
 pid = Popen(["arp", "-n", ipaddr], stdout=PIPE)
 s = pid.communicate()[0]
 mac = re.search(r"(([a-f\d]{1,2}\:){5}[a-f\d]{1,2})", s) 
 print mac

uip is decleared at the begining of the script

current code out put

<_sre.SRE_Match object at 0x7f18f0ea9690>
<_sre.SRE_Match object at 0x7f18f0ea9718>
<_sre.SRE_Match object at 0x7f18f0ea9690>
<_sre.SRE_Match object at 0x7f18f0ea9718>
None
<_sre.SRE_Match object at 0x7f18f0ea9718> 
<_sre.SRE_Match object at 0x7f18f0ea9690>
<_sre.SRE_Match object at 0x7f18f0ea9718>
<_sre.SRE_Match object at 0x7f18f0ea9690>
<_sre.SRE_Match object at 0x7f18f0ea9718>

Upvotes: 0

Views: 825

Answers (1)

Elektito
Elektito

Reputation: 4155

You want the captured results (that is, those captured by the parentheses). Those can be accesed by mac.group or mac.groups methods.

Instead of print mac you can use print mac.group(0) if mac else "No result".

Upvotes: 1

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