python分析nignx访问日志脚本分享
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#!/usr/bin/env python
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# coding=utf-8
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#------------------------------------------------------
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# Name: nginx 日志分析脚本
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# Purpose: 此脚本只用来分析nginx的访问日志
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# Version: 1.0
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# Author: LEO
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# Created: 2013-05-07
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# Modified: 2013-05-07
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# Copyright: (c) LEO 2013
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#------------------------------------------------------
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import sys
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import time
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#该类是用来打印格式
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class displayFormat(object):
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def format_size(self,size):
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'''''格式化流量单位'''
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KB = 1024 #KB -> B B是字节
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MB = 1048576 #MB -> B
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GB = 1073741824 #GB -> B
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TB = 1099511627776 #TB -> B
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if size >= TB :
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size = str(size / TB) + 'T'
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elif size < KB :
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size = str(size) + 'B'
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elif size >= GB and size < TB:
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size = str(size / GB) + 'G'
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elif size >= MB and size < GB :
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size = str(size / MB) + 'M'
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else :
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size = str(size / KB) + 'K'
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return size
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#定义字符串格式化
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formatstring = '%-15s %-10s %-12s %8s %10s %10s %10s %10s %10s %10s %10s'
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def transverse_line(self) :
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'''''输出横线'''
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print self.formatstring % ('-'*15,'-'*10,'-'*12,'-'*12,'-'*10,'-'*10,'-'*10,'-'*10,'-'*10,'-'*10,'-'*10)
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def head(self):
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'''''输出头部信息'''
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print self.formatstring % ('IP','Traffic','Times','Times%','200','404','500','403','302','304','503')
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def error_print(self) :
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'''''输出错误信息'''
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print
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print 'Usage : ' + sys.argv[0] + ' NginxLogFilePath [Number]'
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print
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sys.exit(1)
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def execut_time(self):
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'''''输出脚本执行的时间'''
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print
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print "Script Execution Time: %.3f second" % time.clock()
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print
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#该类是用来生成主机信息的字典
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class hostInfo(object):
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host_info = ['200','404','500','302','304','503','403','times','size']
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def __init__(self,host):
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self.host = host = {}.fromkeys(self.host_info,0)
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def increment(self,status_times_size,is_size):
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'''''该方法是用来给host_info中的各个值加1'''
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if status_times_size == 'times':
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self.host['times'] += 1
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elif is_size:
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self.host['size'] = self.host['size'] + status_times_size
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else:
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self.host[status_times_size] += 1
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def get_value(self,value):
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'''''该方法是取到各个主机信息中对应的值'''
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return self.host[value]
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#该类是用来分析文件
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class fileAnalysis(object):
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def __init__(self):
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'''''初始化一个空字典'''
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self.report_dict = {}
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self.total_request_times,self.total_traffic,self.total_200,
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self.total_404,self.total_500,self.total_403,self.total_302,
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self.total_304,self.total_503 = 0,0,0,0,0,0,0,0,0
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def split_eachline_todict(self,line):
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'''''分割文件中的每一行,并返回一个字典'''
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split_line = line.split()
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split_dict = {'remote_host':split_line[0],'status':split_line[8],
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'bytes_sent':split_line[9],}
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return split_dict
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def generate_log_report(self,logfile):
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'''''读取文件,分析split_eachline_todict方法生成的字典'''
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for line in logfile:
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try:
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line_dict = self.split_eachline_todict(line)
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host = line_dict['remote_host']
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status = line_dict['status']
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except ValueError :
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continue
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except IndexError :
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continue
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if host not in self.report_dict :
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host_info_obj = hostInfo(host)
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self.report_dict[host] = host_info_obj
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else :
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host_info_obj = self.report_dict[host]
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host_info_obj.increment('times',False)
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if status in host_info_obj.host_info :
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host_info_obj.increment(status,False)
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try:
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bytes_sent = int(line_dict['bytes_sent'])
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except ValueError:
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bytes_sent = 0
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host_info_obj.increment(bytes_sent,True)
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return self.report_dict
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def return_sorted_list(self,true_dict):
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'''''计算各个状态次数、流量总量,请求的总次数,并且计算各个状态的总量 并生成一个正真的字典,方便排序'''
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for host_key in true_dict :
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host_value = true_dict[host_key]
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times = host_value.get_value('times')
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self.total_request_times = self.total_request_times + times
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size = host_value.get_value('size')
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self.total_traffic = self.total_traffic + size
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o200 = host_value.get_value('200')
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o404 = host_value.get_value('404')
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o500 = host_value.get_value('500')
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o403 = host_value.get_value('403')
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o302 = host_value.get_value('302')
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o304 = host_value.get_value('304')
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o503 = host_value.get_value('503')
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true_dict[host_key] = {'200':o200,'404':o404,'500':o500,
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'403':o403,'302':o302,'304':o304,
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'503':o503,'times':times,'size':size}
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self.total_200 = self.total_200 + o200
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self.total_404 = self.total_404 + o404
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self.total_500 = self.total_500 + o500
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self.total_302 = self.total_302 + o302
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self.total_304 = self.total_304 + o304
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self.total_503 = self.total_503 + o503
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sorted_list = sorted(true_dict.items(),key=lambda t:(t[1]['times'],
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t[1]['size']),reverse=True)
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return sorted_list
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class Main(object):
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def main(self) :
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'''''主调函数'''
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display_format = displayFormat()
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arg_length = len(sys.argv)
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if arg_length == 1 :
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display_format.error_print()
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elif arg_length == 2 or arg_length == 3:
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infile_name = sys.argv[1]
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try :
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infile = open(infile_name,'r')
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if arg_length == 3 :
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lines = int(sys.argv[2])
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else :
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lines = 0
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except IOError,e :
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print
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print e
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display_format.error_print()
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except ValueError :
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print
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print "Please Enter A Volid Number !!"
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display_format.error_print()
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else :
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display_format.error_print()
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fileAnalysis_obj = fileAnalysis()
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not_true_dict = fileAnalysis_obj.generate_log_report(infile)
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log_report = fileAnalysis_obj.return_sorted_list(not_true_dict)
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total_ip = len(log_report)
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if lines :
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log_report = log_report[0:lines]
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infile.close()
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print
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total_traffic = display_format.format_size(fileAnalysis_obj.total_traffic)
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total_request_times = fileAnalysis_obj.total_request_times
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print 'Total IP: %s Total Traffic: %s Total Request Times: %d'
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% (total_ip,total_traffic,total_request_times)
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print
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display_format.head()
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display_format.transverse_line()
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for host in log_report :
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times = host[1]['times']
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times_percent = (float(times) / float(fileAnalysis_obj.total_request_times)) * 100
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print display_format.formatstring % (host[0],
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display_format.format_size(host[1]['size']),
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times,str(times_percent)[0:5],
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host[1]['200'],host[1]['404'],
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host[1]['500'],host[1]['403'],
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host[1]['302'],host[1]['304'],host[1]['503'])
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if (not lines) or total_ip == lines :
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display_format.transverse_line()
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print display_format.formatstring % (total_ip,total_traffic,
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total_request_times,'100%',
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fileAnalysis_obj.total_200,
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fileAnalysis_obj.total_404,
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fileAnalysis_obj.total_500,
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fileAnalysis_obj.total_403,
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fileAnalysis_obj.total_302,
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fileAnalysis_obj.total_304,
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fileAnalysis_obj.total_503)
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display_format.execut_time()
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if __name__ == '__main__':
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main_obj = Main()
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main_obj.main()
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