python3 operate ZIP

发布时间：2019-09-27 07:09:13编辑：auto阅读（2400）

    >>>import zipfile , os


    //infomation for zip file

    >>>zipFileHandle = zipfile.ZipFile('example.zip')   //create zip file handle

    >>>zipFileHandle.namelist()      //return all files and directorys in the zip file

    >>>spamInfo = zipFileHandle.getinfo('filename') //return a object of file in the zip file

    >>>spamInfo.filename     //return filename

    >>>spamInfo.file_size    //return file original size

    >>>spamInfo.compress_size   // file compressed size

    >>>round(spamInfo.compress_size / spamInfo/file_size , 2)    //compress rate


    //unzip

    >>>zipFileHandle.extractall()      //unzip all to current directory

    >>>zipFileHandle.extract('filename')   //unzip 'filename' file to current directory


    //close handle

    >>>zipFileHandle.close()


    //create a new zip file

    >>>newZip = zipfile.ZipFile('new.zip','w')

    >>>newZip.write('filename' , compress_type=zipfile.ZIP_DEFLATED)

    >>>newZip.close()


    //add files into a zip file

    >>>zipFileHandle = zipfile.ZipFile('oldfile.zip' , 'a')

    >>>zipFileHandle.write('filename' , compress_type=zipfile.ZIP_DEFLATED)

    >>>>>>zipFileHandle.close()








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