python通过日志分析加入黑名单

#coding=utf-8
import os,time

while True:
    ip_list = []
    src_log = '/opt/lampp/logs/access_log'
    new_log = '/opt/lampp/logs/access_log_%s'%time.strftime('%Y%m%d%H%M')#分割每分钟日志
    os.system('cat {s_log} > {n_log} && > {s_log}'.format(s_log=src_log,n_log=new_log) )

    with open(new_log) as fr:
        for line in fr:
            ip = line.split('-')[0].strip()
            ip_list.append(ip)
    for ip in ip_list:
        if ip_list.count(ip) > 5:
            os.system('iptables -I INPUT 1 -p tcp -s %s  -j DROP'%ip)
            for i in range(ip_list.count(ip)):
                ip_list.remove(ip)
    time.sleep(60)