#!/usr/bin/env python
#==========================================================================
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#==========================================================================
#
# Eri Ramos Bastos - bastos.eri (at) gmail.com
#

import csv
import sys

try:
    ip = sys.argv[1]
except:
    print "Usage: ", sys.argv[0], "ip"
    sys.exit(1)

try:
    ip_number = int(ip.split(".")[0]) * (256*256*256) + int(ip.split(".")[1]) * (256*256) + int(ip.split(".")[2]) * 256 + int(ip.split(".")[3])
except:
    print "This doesn't looks like an IP address"
    sys.exit(1)

try:
    reader = csv.reader(open("ip-to-country.csv", "rb")) # change this to fit your path
except:
    print "Unable to open ip-to-country database"
    sys.exit(1)
for row in reader:
    if int(row[0]) <= int(ip_number) and int(row[1]) >= int(ip_number):
        print row[4]
        sys.exit(0)
print "Unable to find country"