Python生成文件的MD5和sha1

生成文件的MD5和sha1

#coding=UTF-8 def fil_changefileext(filename,extname=&＃039;&＃039;):    # FIL ChangeFileExt 改变文件扩展名    # filename    输入的文件路径名    # extname=&＃039;&＃039;  要更改分扩展名，如 .txt    import os    try:        if extname[0]&＃039;.&＃039;:            extname=&＃039;.&＃039;+extname    except:        extname=&＃039;&＃039;    if os.path.splitext(filename)[1]==&＃039;&＃039;:        uouttxt=filename+&＃039;.&＃039;+extname    elif os.path.splitext(filename)[1]==&＃039;.&＃039;:        uouttxt=filename+extname        else:        uouttxt=filename[:0-len(os.path.splitext(filename)[1])]+extname    return uouttxt def fil[email protected]!ma.com搞$代^码!网7_str2file(fstr,filename):    # FIL STR2File 把字符串保存到文件     try:        outfile=open(filename,&＃039;w&＃039;)        outfile.writelines(fstr)        outfile.close()        return True       except:        return False     #系统主程序开始#-------------------------------------------------------if __name__ == &＃039;__main__&＃039;:        import os,sys,math    # if len(sys.argv)==1:sys.argv.append(r&＃039;c:\FreeNAS-8.0.4-RELEASE-x64.iso&＃039;)    if len(sys.argv)>1:        filepathname=sys.argv[1]        if os.path.isfile(filepathname) :            fmaxs = os.path.getsize(filepathname)+0.00            fpos = 0.00            ppos=0             pmax=50            pjy=0                     fmd5=fil_changefileext(filepathname,&＃039;.md5&＃039;)            fsha1=fil_changefileext(filepathname,&＃039;.sha&＃039;)            ffm=os.path.basename(filepathname)                        #开始处理            print &＃039;Program Runing "&＃039;+filepathname+&＃039;" ...&＃039;            import hashlib            try:                umd5str = hashlib.md5()                usha1str = hashlib.sha1()                xfilepathname=unicode(filepathname,&＃039;utf8&＃039;)                #需要使用二进制格式读取文件内容                ufile = file(xfilepathname,&＃039;rb&＃039;)                while True:                    datas = ufile.read(1024*512)                    if not datas: break                    umd5str.update( datas )                    usha1str.update( datas )                    fpos=fpos+1024*512                    ppos=int(math.floor(fpos / fmaxs * 50))                    pposbfh=int(math.floor(fpos / fmaxs * 100))                    #打印进度条                    if pjyppos: print &＃039;[&＃039;+&＃039;*&＃039;*ppos +&＃039;=&＃039;*(pmax-ppos)+&＃039;] &＃039;+str(pposbfh) +&＃039;%&＃039;                    #打印进度问题未解决，不知道print函数怎么退回到行首覆盖输出，不换行我倒是知道，加个“,”                      pjy=ppos                 uoutstrmd5=str(umd5str.hexdigest())                uoutstrsha1=str(usha1str.hexdigest())                ufile.close()                print &＃039;&＃039;                fil_str2file(uoutstrmd5+&＃039; *&＃039;+ffm+&＃039;\n&＃039;,fmd5)                fil_str2file(uoutstrsha1+&＃039; *&＃039;+ffm+&＃039;\n&＃039;,fsha1)                print &＃039;Task is completed !&＃039; + r&＃039; [ XingHe Studio File to MD5 and SHA1 ]&＃039;                           except:                        print &＃039;Error !&＃039; + r&＃039; [ XingHe Studio File to MD5 and SHA1 ]&＃039;        else:            print &＃039;File "&＃039;+filepathname+&＃039;" not exist!&＃039;+ r&＃039; [ XingHe Studio File to MD5 and SHA1 ]&＃039;    else:        print  r&＃039; [ XingHe Studio File to MD5 and SHA1 ]&＃039;