zip压缩

import os
import zipfile


def zipDir(source_dir, output_filename):
    """
    压缩指定文件夹
    :param source_dir: 目标文件夹路径
    :param output_filename: 压缩文件保存路径+xxxx.zip
    :return: 无
    """
    if os.path.exists(source_dir):
        # compression压缩比例，默认是不压缩，ZIP_LZMA=14级别的压缩，影响的是时间，但是包能更小
        # vue使用级别=9的，var archive = archiver('zip', {zlib: {level: 9}});
        # mac install: brew install xz
        # mode 解压是 r , 压缩是 w 追加压缩是 a
        # compression 为  zipfile.ZIP_DEFLATED，zipfile.ZIP_STORED， zipfile.ZIP_LZMA
        zipf = zipfile.ZipFile(file=output_filename, mode='w', compression=zipfile.ZIP_LZMA)
        # zipf = zipfile.ZipFile(file=output_filename, mode='w', compression=zipfile.ZIP_DEFLATED)
        pre_len = len(os.path.dirname(source_dir))
        for parent, dirnames, filenames in os.walk(source_dir):
            for filename in filenames:
                pathfile = os.path.join(parent, filename)
                arcname = pathfile[pre_len:].strip(os.path.sep)  # 相对路径
                zipf.write(pathfile, arcname)
        zipf.close()
        return output_filename
    return


zipDir(r'C:\Users\13680\Desktop\新建文件', r'C:\Users\13680\Desktop\新建文件.zip')