pi2cip

#!/usr/bin/env python
# vim: fileencoding=utf-8
import socket
import fcntl
import sys
import re
import os

def ifconfig(ifname):
	s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
	try:
		result = fcntl.ioctl(s.fileno(), 0x8915 ,(ifname+'\0'*32)[:32])
	except IOError:
		return None
	return socket.inet_ntoa(result[20:24])

def main():
	ipaddr = ifconfig('eth0')
	os.system('printi2c "        " "        "')
	if ipaddr is None:
		ipaddr = ifconfig('wlan0')
	if ipaddr is None:
		return 0
	m = re.match('(.*\..*)(\..*\..*)',ipaddr)
	cmd = 'printi2c ">'+m.group(1)+'" "'+m.group(2)+'"'
	os.system(cmd)

if __name__ == '__main__':
	main()