def tarball(request, release):

    file_name = 'dj-download-%s.tar.gz' % release
    file_path = os.path.join(FILE_FOLDER, file_name)
    try:
        tarball_file = open(file_path)
    except IOError:
        raise Http404
    wrapper = FileWrapper(tarball_file)
    response = HttpResponse(wrapper, content_type='application/zip')
    response['Content-Encoding'] = 'utf-8'  # 设置该值gzip中间件就会直接返回而不进行后续操作
    response['Content-Disposition'] = 'attachment; filename=%s' % file_name
    return response


#//python/9053