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('	')

    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	%s" % (line, flag)