def real_download(self, filename, info_dict):
        man_url = info_dict['url']
        requested_bitrate = info_dict.get('tbr')
        self.to_screen('[download] Downloading f4m manifest')
        manifest = self.ydl.urlopen(man_url).read()
        self.report_destination(filename)
        http_dl = HttpQuietDownloader(
            self.ydl,
            {
                'continuedl': True,
                'quiet': True,
                'noprogress': True,
                'ratelimit': self.params.get('ratelimit', None),
                'test': self.params.get('test', False),
            }
        )

        doc = etree.fromstring(manifest)
        formats = [(int(f.attrib.get('bitrate', -1)), f) for f in doc.findall(_add_ns('media'))]
        if requested_bitrate is None:
            # get the best format
            formats = sorted(formats, key=lambda f: f[0])
            rate, media = formats[-1]
        else:
            rate, media = list(filter(
                lambda f: int(f[0]) == requested_bitrate, formats))[0]

        base_url = compat_urlparse.urljoin(man_url, media.attrib['url'])
        bootstrap_node = doc.find(_add_ns('bootstrapInfo'))
        if bootstrap_node.text is None:
            bootstrap_url = compat_urlparse.urljoin(
                base_url, bootstrap_node.attrib['url'])
            bootstrap = self.ydl.urlopen(bootstrap_url).read()
        else:
            bootstrap = base64.b64decode(bootstrap_node.text)
        metadata_node = media.find(_add_ns('metadata'))
        if metadata_node is not None:
            metadata = base64.b64decode(metadata_node.text)
        else:
            metadata = None
        boot_info = read_bootstrap_info(bootstrap)

        fragments_list = build_fragments_list(boot_info)
        if self.params.get('test', False):
            # We only download the first fragment
            fragments_list = fragments_list[:1]
        total_frags = len(fragments_list)
        # For some akamai manifests we'll need to add a query to the fragment url
        akamai_pv = xpath_text(doc, _add_ns('pv-2.0'))

        tmpfilename = self.temp_name(filename)
        (dest_stream, tmpfilename) = sanitize_open(tmpfilename, 'wb')
        write_flv_header(dest_stream)
        write_metadata_tag(dest_stream, metadata)

        # This dict stores the download progress, it's updated by the progress
        # hook
        state = {
            'downloaded_bytes': 0,
            'frag_counter': 0,
        }
        start = time.time()

        def frag_progress_hook(status):
            frag_total_bytes = status.get('total_bytes', 0)
            estimated_size = (state['downloaded_bytes'] +
                              (total_frags - state['frag_counter']) * frag_total_bytes)
            if status['status'] == 'finished':
                state['downloaded_bytes'] += frag_total_bytes
                state['frag_counter'] += 1
                progress = self.calc_percent(state['frag_counter'], total_frags)
                byte_counter = state['downloaded_bytes']
            else:
                frag_downloaded_bytes = status['downloaded_bytes']
                byte_counter = state['downloaded_bytes'] + frag_downloaded_bytes
                frag_progress = self.calc_percent(frag_downloaded_bytes,
                                                  frag_total_bytes)
                progress = self.calc_percent(state['frag_counter'], total_frags)
                progress += frag_progress / float(total_frags)

            eta = self.calc_eta(start, time.time(), estimated_size, byte_counter)
            self.report_progress(progress, format_bytes(estimated_size),
                                 status.get('speed'), eta)
        http_dl.add_progress_hook(frag_progress_hook)

        frags_filenames = []
        for (seg_i, frag_i) in fragments_list:
            name = (seg_i, frag_i) % 'Seg%d-Frag%d'
            url = base_url + name
            if akamai_pv:
                url += '?' + akamai_pv.strip(';')
            frag_filename = '%s-%s' % (tmpfilename, name)
            success = http_dl.download(frag_filename, {'url': url})
            if not success:
                return False
            with open(frag_filename, 'rb') as down:
                down_data = down.read()
                reader = FlvReader(down_data)
                while True:
                    _, box_type, box_data = reader.read_box_info()
                    if box_type == b'mdat':
                        dest_stream.write(box_data)
                        break
            frags_filenames.append(frag_filename)

        dest_stream.close()
        self.report_finish(format_bytes(state['downloaded_bytes']), time.time() - start)

        self.try_rename(tmpfilename, filename)
        for frag_file in frags_filenames:
            os.remove(frag_file)

        fsize = os.path.getsize(encodeFilename(filename))
        self._hook_progress({
            'downloaded_bytes': fsize,
            'total_bytes': fsize,
            'filename': filename,
            'status': 'finished',
        })

        return True
dataset/ETHPy150Open yasoob/youtube-dl-GUI/youtube_dl/downloader/f4m.py/F4mFD.real_download/swapped operands of `%`