IP解析

 import sys,re

 ip_1_stat = {}
 source_fp = open("ip_region","r")
 p = re.compile("(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})")
 for line in source_fp:
     line = line.strip()
     list = line.split('|')

     start = p.match(list[0].strip())
     end = p.match(list[1].strip()[:-3])
     region = list[2].strip()

     if start and end:
         key = start.group(1)
         if key not in ip_1_stat:
             ip_1_stat[key] = {"line":{}}
         if line not in ip_1_stat[key]["line"]:
             ip_1_stat[key]["line"][line] = {"s2":int(start.group(2)), "s3":int(start.group(3)), "s4":int(start.group(4)), "e2":int(end.group(2)), "e3":int(end.group(3)), "e4":int(end.group(4)), "prov":region}
 source_fp.close()

 #ip index
 index = sys.argv[1]

 for line in sys.stdin:
     line = line.strip()
     list = line.split('\t')

     ip = list[index].strip()
     #ip = list[2].strip()
     match = p.match(ip)
     i1 = match.group(1)
     i2 = int(match.group(2))
     i3 = int(match.group(3))
     i4 = int(match.group(4))
     prov = "NotFound"

     key = i1
     if key not in ip_1_stat:
         continue

     flag = 0
     #ergodic
     for l in ip_1_stat[key]["line"]:
         #start
         if i2 > ip_1_stat[key]["line"][l]["s2"]:
             flag = 1
         elif i2 == ip_1_stat[key]["line"][l]["s2"]:
             if i3 > ip_1_stat[key]["line"][l]["s3"]:
                 flag = 1
             elif i3 == ip_1_stat[key]["line"][l]["s3"]:
                 if i4 >= ip_1_stat[key]["line"][l]["s4"]:
                     flag = 1
         #flag
         if flag == 0:
             continue

         #end
         if i2 < ip_1_stat[key]["line"][l]["e2"]:
             flag = ip_1_stat[key]["line"][l]["prov"]
         elif i2 == ip_1_stat[key]["line"][l]["e2"]:
             if i3 < ip_1_stat[key]["line"][l]["e3"]:
                 flag = ip_1_stat[key]["line"][l]["prov"]
             elif i3 == ip_1_stat[key]["line"][l]["e3"]:
                 if i4 <= ip_1_stat[key]["line"][l]["e4"]:
                     flag = ip_1_stat[key]["line"][l]["prov"]
         if flag != 1:
             break

     print "%s\t%s" % (line, flag)