使用python实现两个文件夹里文件的对比（包含内容的对比）

#-*-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 = []  #EEBFILES = []  #SVNCOMMON = []  #EE & SVNdef 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!")