Python实现从log日志中提取ip的方法【正则提取】

Python  /  管理员 发布于 7年前   167

本文实例讲述了Python实现从log日志中提取ip的方法。分享给大家供大家参考，具体如下：

log日志内容如下(myjob.log)：

124.90.53.68 - - [05/Feb/2018 11:37:07] "GET /favicon.ico HTTP/1.1" 404 -61.148.245.145 - - [05/Feb/2018 12:37:44] "GET / HTTP/1.1" 200 -61.148.245.145 - - [05/Feb/2018 12:37:44] "GET /apple-touch-icon-120x120-precomposed.png HTTP/1.1" 404 -61.148.245.145 - - [05/Feb/2018 12:37:44] "GET /apple-touch-icon-120x120.png HTTP/1.1" 404 -61.148.245.145 - - [05/Feb/2018 12:37:45] "GET /apple-touch-icon-precomposed.png HTTP/1.1" 404 -61.148.245.145 - - [05/Feb/2018 12:37:45] "GET /apple-touch-icon.png HTTP/1.1" 404 -61.148.245.145 - - [05/Feb/2018 12:37:45] "GET /static/favicon.ico HTTP/1.1" 200 -101.226.33.218 - - [05/Feb/2018 13:07:39] "GET / HTTP/1.1" 200 -101.226.33.219 - - [05/Feb/2018 13:09:46] "GET / HTTP/1.1" 200 -101.226.33.219 - - [05/Feb/2018 13:09:46] "GET /static/youkulogo.png HTTP/1.1" 200 -101.226.33.219 - - [05/Feb/2018 13:09:46] "GET /static/iqiyi.png HTTP/1.1" 200 -101.226.33.219 - - [05/Feb/2018 13:09:46] "GET /static/qqlogo.png HTTP/1.1" 200 -124.202.223.62 - - [05/Feb/2018 14:29:45] "GET / HTTP/1.1" 200 -124.202.223.62 - - [05/Feb/2018 14:29:47] "GET /static/youkulogo.png HTTP/1.1" 200 -124.202.223.62 - - [05/Feb/2018 14:29:48] "GET /static/qqlogo.png HTTP/1.1" 200 -124.202.223.62 - - [05/Feb/2018 14:29:48] "GET /static/iqiyi.png HTTP/1.1" 200 -124.202.223.62 - - [05/Feb/2018 14:29:49] "GET /static/favicon.ico HTTP/1.1" 200 -

提取ip:

# encoding: utf-8import sysreload(sys)sys.setdefaultencoding('utf-8')import pandas as pdimport reimport timeimport requeststime1=time.time()######函数功能:能够提取ip地址，并且去重################def read_file(input_file_name,output_file_name):  _fLog = open(input_file_name)  sep = '\n'  ip_list=[]  for each in _fLog:    ip=re.findall(r'(?<![\.\d])(?:\d{1,3}\.){3}\d{1,3}(?![\.\d])',str(each),re.S)    ip_list.append(ip[0])  # 列表去重:通过set方法进行处理  ids = list(set(ip_list))  print "共解析ip个数:%s "% len(ids)  ##写出数据到本地  # 设置输出文件路径  out = open(output_file_name, "a")  # out.write("ip" + sep)  for each in ids:    print each    out.write(each + sep)  ##关闭连接  out.close()  _fLog.close()  print "ip提取完毕~~"####主函数################if __name__ == '__main__':  input_file_name = "C:/myjob.log"  output_file_name = "c:/myjob.txt"  read_file(input_file_name, output_file_name)  time2 = time.time()  print u'总共耗时：' + str(time2 - time1) + 's'

运行结果：

共解析ip个数:5
61.148.245.145
124.90.53.68
124.202.223.62
101.226.33.219
101.226.33.218
ip提取完毕~~
总共耗时：0.000999927520752s
Process finished with exit code 0

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更多关于Python相关内容可查看本站专题：《Python正则表达式用法总结》、《Python数据结构与算法教程》、《Python函数使用技巧总结》、《Python字符串操作技巧汇总》、《Python入门与进阶经典教程》及《Python文件与目录操作技巧汇总》

希望本文所述对大家Python程序设计有所帮助。