human
Can you provide a the Python program you requested given the following:
Complete the below
@app.route('/<slug_candidate>/download')
def download(slug_candidate):

    ''''Download the zip file.'
    '''
assistant
#Here is the Python program you requested.
    check_slug_candidate(slug_candidate)
    global stay_open, download_in_progress
    deny_download = ((not stay_open) and download_in_progress)
    if deny_download:
        r = make_response(render_template_string(open(common.get_resource_path('html/denied.html')).read()))
        for (header, value) in security_headers:
            r.headers.set(header, value)
        return r
    global download_count
    download_id = download_count
    download_count += 1
    shutdown_func = request.environ.get('werkzeug.server.shutdown')
    path = request.path
    add_request(REQUEST_DOWNLOAD, path, {'id': download_id})
    dirname = os.path.dirname(zip_filename)
    basename = os.path.basename(zip_filename)
    def generate():
        global client_cancel, gui_mode
        client_cancel = False
        global stay_open, download_in_progress
        if (not stay_open):
            download_in_progress = True
        chunk_size = 102400
        fp = open(zip_filename, 'rb')
        done = False
        canceled = False
        while (not done):
            if client_cancel:
                add_request(REQUEST_CANCELED, path, {'id': download_id})
                break
            chunk = fp.read(chunk_size)
            if (chunk == ''):
                done = True
            else:
                try:
                    (yield chunk)
                    downloaded_bytes = fp.tell()
                    percent = (((1.0 * downloaded_bytes) / zip_filesize) * 100)
                    if ((not gui_mode) or (common.get_platform() == 'Linux')):
                        sys.stdout.write('\r{0:s},    {1:.2f}%                                        '.format(common.human_readable_filesize(downloaded_bytes), percent))
                        sys.stdout.flush()
                    add_request(REQUEST_PROGRESS, path, {'id': download_id, 'bytes': downloaded_bytes})
                except:
                    done = True
                    canceled = True
                    add_request(REQUEST_CANCELED, path, {'id': download_id})
...