utils.py 文件源码

def backup_media():
    extension = "tar.gz"
    filename = utils.filename_generate(extension, content_type='media')
    # Create tarball
    media_storage = get_storage_class()()
    outputfile = utils.create_spooled_temporary_file()
    tar_file = tarfile.open(name=filename, fileobj=outputfile, mode='w:gz')
    for media_filename in explore_storage(media_storage):
        tarinfo = tarfile.TarInfo(media_filename)
        media_file = media_storage.open(media_filename)
        tarinfo.size = len(media_file)
        tar_file.addfile(tarinfo, media_file)
    # Close the TAR for writing
    tar_file.close()
    # Store backup
    outputfile.seek(0)

    return outputfile, filename