Python编程实现两个文件夹里文件的对比功能示例【包含内容的对比】_Python

本文实例讲述了Python编程实现两个文件夹里文件的对比功能。分享给大家供大家参考，具体如下：

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

									#-*-coding:utf-8-*-

									#===============================================================================

									# 目录对比工具(包含子目录 )，并列出

									# 1、A比B多了哪些文件

									# 2、B比A多了哪些文件

									# 3、二者相同的文件:文件大小相同 VS 文件大小不同 (Size相同文件不打印:与Size不同文件显示未排序)

									#===============================================================================

									import os, time,difflib

									AFILES = [] #EE

									BFILES = [] #SVN

									COMMON = [] #EE & SVN

									def getPrettyTime(state):

									  return time.strftime('%y-%m-%d %H:%M:%S', time.localtime(state.st_mtime))

									# def getpathsize(dir): #获取文件大小的函数,未用上,仅供学习.故注释掉

									#   size=0

									#   for root, dirs, files in os.walk(dir):

									#   #root:目录:str 如: C:\CopySVN\SystemObject\TopoProcedure\Built-in\

									#   #dirs:目录名称:列表: 如 ['Parsers']

									#   #files:名称:列表: 如 ['011D0961FB42416AA49D5E82945DE7E9.og',...]

									#   #file:目录:str, 如 011D0961FB42416AA49D5E82945DE7E9.og

									#     for file in files:

									#       path = os.path.join(root,file)

									#       size = os.path.getsize(path)

									#   return size

									def dirCompare(apath,bpath):

									  afiles = []

									  bfiles = []

									  for root, dirs , files in os.walk(apath):

									    for f in files:

									      afiles.append(root + "\\" + f)

									  for root, dirs , files in os.walk(bpath):

									    for f in files:

									      bfiles.append(root + "\\" + f)

									      #sizeB = os.path.getsize(root + "\\" + f) 此处定义的size无法在commonfiles进行比较. (A,B在各自的循环里面)

									  # 去掉afiles中文件名的apath (拿A,B相同的路径\文件名,做成集合,去找交集)

									  apathlen = len(apath)

									  aafiles = []

									  for f in afiles:

									    aafiles.append(f[apathlen:])

									  # 去掉bfiles中文件名的bpath

									  bpathlen = len(bpath)

									  bbfiles = []

									  for f in bfiles:

									    bbfiles.append(f[bpathlen:])

									  afiles = aafiles

									  bfiles = bbfiles

									  setA = set(afiles)

									  setB = set(bfiles)

									  #print('%$%'+str(len(setA)))

									  #print('%%'+str(len(setB)))

									  commonfiles = setA & setB # 处理共有文件

									  #print ("===============File with different size in '", apath, "' and '", bpath, "'===============")

									  #将结果输出到本地

									  #with open(os.getcwd()+'diff.txt','w') as di:

									    #di.write("===============File with different size in '", apath, "' and '", bpath, "'===============")

									  for f in sorted(commonfiles):

									    sA=os.path.getsize(apath + "\\" + f)

									    sB=os.path.getsize(bpath + "\\" + f)

									    if sA==sB: #共有文件的大小比较

									      #pass #print (f + "\t\t" + getPrettyTime(os.stat(apath + "\\" + f)) + "\t\t" + getPrettyTime(os.stat(bpath + "\\" + f)))

									      #以下代码是处理大小一致，但是内容可能不一致的情况

									      #print("in sa=sb")

									      #print(os.getcwd())

									      saf=[]

									      sbf=[]

									      sAfile=open(apath + "\\" + f)

									      iter_f=iter(sAfile)

									      for line in iter_f:

									        saf.append(line)

									      sAfile.close()

									      sBfile=open(bpath + "\\" + f)

									      iter_fb=iter(sBfile)

									      for line in iter_fb:

									        sbf.append(line)

									      sBfile.close()

									      saf1=sorted(saf)

									      sbf1=sorted(sbf)

									      if(len(saf1)!=len(sbf1)):

									        with open(os.getcwd()+'\\comment_diff.txt','a') as fp:

									          print(os.getcwd())

									          fp.write(apath + "\\" + f+" lines size not equal "+bpath + "\\" + f+'\n')

									      else:

									        for i in range(len(saf1)):

									          #print("into pre")

									          if(saf1[i]!=sbf1[i]):

									            print('into commont')

									            with open(os.getcwd()+'\\comment_diff.txt','a') as fp1:

									              fp1.write(apath + "\\" + f+" content not equal "+bpath + "\\" + f+'\n')

									              break

									    else:

									      with open (os.getcwd()+'\\diff.txt','a') as di:

									        di.write("File Name=%s  EEresource file size:%d  != SVN file size:%d" %(f,sA,sB)+'\n')

									      #print ("File Name=%s  EEresource file size:%d  != SVN file size:%d" %(f,sA,sB))

									  # 处理仅出现在一个目录中的文件

									  onlyFiles = setA ^ setB

									  aonlyFiles = []

									  bonlyFiles = []

									  for of in onlyFiles:

									    if of in afiles:

									      aonlyFiles.append(of)

									    elif of in bfiles:

									      bonlyFiles.append(of)

									  #print ("###################### EE resource ONLY ###########################")

									  #print ("#only files in ", apath)

									  for of in sorted(aonlyFiles):

									    with open (os.getcwd()+'\\EEonly.txt','a') as ee:

									      ee.write(of+'\n')

									    #print (of)

									  #print ("*"*20+"SVN ONLY+"+"*"*20)

									  #print ("#only files in ", bpath)

									  for of in sorted(bonlyFiles):

									    with open (os.getcwd()+'\\svnonly.txt','a') as svn:

									      svn.write(of+'\n')

									    #print (of)

									if __name__ == '__main__':

									  FolderEE = 'D:\\search\\bb\\ObjectGroup - Copy\\ObjectGroup\\Built-in'

									  FolderSVN = 'D:\\search\\bb\\ObjectGroup\\ObjectGroup\\Built-in'

									  dirCompare(FolderEE, FolderSVN)

									  print("done!")