python实现扫描日志关键字的示例


            我们在压力测试过程会收集到很多log，怎样快速从中找到有用信息呢？让python脚本帮我们做这部分工作吧！

废话不说，上代码

环境：win10 + python2.7.14





#-*- encoding: utf-8 -*-

#author : beihuijie

#version 1.1

import re

import sys

import os

import countTime

def getParameters():

 '''

 get parameters from console command

 '''

 with open(sys.argv[1], "r") as fread:

 lines = fread.readlines()

 keywords=[]

 for line in lines:

  temp = line.split(', ')

  keywords.append(temp)

 for i in range(0, (len(keywords[0]) - 1)):

  print ' Keyword = %s' % keywords[0][i]

 return keywords[0]

def isFileExists(strfile):

 '''

 check the file whether exists

 '''

 return os.path.isfile(strfile)

def Search(keyword, filename):

 '''

 search the keyword in a assign file

 '''

 if(isFileExists(filename) == False):

 print 'Input filepath is wrong,please check again!'

 sys.exit()

 linenum = 1

 findtime = 0

 with open(filename, 'r') as fread:

 lines = fread.readlines()

 for line in lines:

  rs = re.findall(keyword, line, re.IGNORECASE)

  if rs:

  #output linenum of keyword place 

  sys.stdout.write('line:%d '%linenum)

  lsstr = line.split(keyword)

  strlength = len(lsstr)

  findtime = findtime + 1

  #print strlength

  for i in range(strlength):

   if(i < (strlength - 1)):

   sys.stdout.write(lsstr[i].strip())

   sys.stdout.write(keyword)

   else:

   sys.stdout.write(lsstr[i].strip() + '\n')

  linenum = linenum + 1

 print '+----------------------------------------------------------------------------+'

 print (' Search result: find keyword: %s %d times'%(keyword, findtime))

 print '+----------------------------------------------------------------------------+'

def executeSearch():

 '''

 this is a execute search method

 '''

 ls = getParameters()

 start = countTime.getTime()

 parameter_number = len(ls)

 print 'Filename = %s ' % ls[parameter_number - 1]

 print '--------------------start search-------------------------'

 if(parameter_number >= 2):

 for i in range(parameter_number - 1):

  Search(ls[i], ls[parameter_number - 1])

 else:

 print 'There is a parameter error occured in executeSearch()!'

 end = countTime.getTime()

 print '+----------------------------------------------------------------------------+'

 print ' Total cost time: %s'%countTime.formatTime(end - start)

 print '+============================================================================+'

 

if __name__=='__main__':

 executeSearch()



countTime.py





#-*- encoding: utf-8 -*-

#author : beihuijie

#version 1.1

import datetime

import time

def getTime():

 '''

 return time is format of time(unit is second)

 '''

 return time.time()

def getCPUClockTime():

 '''

 return time is CPU Clock time

 '''

 return time.clock()

def formatTime(timevalue):

 '''

 format the time numbers

 '''

 hour = 0

 minute = 0

 second = 0

 if timevalue > 0:

 #count hour

 hour = timevalue // 3600

 remain = timevalue % 3600

 #count minute

 minute = remain // 60

 remain = remain % 60

 #count second

 second = round(remain, 3)

 return '%.0fh:%.0fm:%.3fs'%(hour, minute, second)

 

if __name__=='__main__':

 value = 134.45632

 print value

 print formatTime(value)

 





关键字及被扫描的日志路径信息，记录到文件中，以逗号+空格隔开，如，“， ”日志路径信息放到最后。

格式如下：





anr, dalvikvm: Could not find class 'android.app.usage., panic, C:\Users\BHJ\logcat1.log



执行结果：



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