#!/usr/bin/env python

import sys

try:

import netifaces

except:

sys.exit("[!] Install the netifaces library: pip install netifaces")

gateways = {}

network_ifaces={}

def get_interfaces():

interfaces = netifaces.interfaces()

return interfaces

def get_gateways():

gateway_dict = {}

gws = netifaces.gateways()

for gw in gws:

try:

gateway_iface = gws[gw][netifaces.AF_INET]

gateway_ip, iface = gateway_iface[0], gateway_iface[1]

gw_list =[gateway_ip, iface]

gateway_dict[gw]=gw_list

except:

pass

return gateway_dict

def get_addresses(interface):

addrs = netifaces.ifaddresses(interface)

link_addr = addrs[netifaces.AF_LINK]

iface_addrs = addrs[netifaces.AF_INET]

iface_dict = iface_addrs[0]

link_dict = link_addr[0]

hwaddr = link_dict.get('addr')

iface_addr = iface_dict.get('addr')

iface_broadcast = iface_dict.get('broadcast')

iface_netmask = iface_dict.get('netmask')

return hwaddr, iface_addr, iface_broadcast, iface_netmask

#identifies the gateway IP from the dictionary

def get_networks(gateways_dict):

networks_dict = {}

for key, value in gateways.items():#reemplazamos iteritems por items

gateway_ip, iface = value[0], value[1]

hwaddress, addr, broadcast, netmask = get_addresses(iface)

network = {'gateway': gateway_ip, 'hwaddr' : hwaddress, 'addr' : addr, 'broadcast' : broadcast, 'netmask' : netmask}

networks_dict[iface] = network

return networks_dict

gateways = get_gateways()

network_ifaces = get_networks(gateways)

print(network_ifaces)