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：

来源：https://blog.csdn.net/BHJ1119/article/details/78039889