使用python实现两个文件夹里文件的对比（包含内容的对比）

我就是我 2022-09-01 12:58 217阅读 0赞

#-*-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!")

转载：[https://www.cnblogs.com/luo-mao/p/5872532.html][https_www.cnblogs.com_luo-mao_p_5872532.html]

[https_www.cnblogs.com_luo-mao_p_5872532.html]: https://www.cnblogs.com/luo-mao/p/5872532.html