+
+
+class NativeHlsFD(FileDownloader):
+ """ A more limited implementation that does not require ffmpeg """
+
+ def real_download(self, filename, info_dict):
+ url = info_dict['url']
+ self.report_destination(filename)
+ tmpfilename = self.temp_name(filename)
+
+ self.to_screen(
+ '[hlsnative] %s: Downloading m3u8 manifest' % info_dict['id'])
+ data = self.ydl.urlopen(url).read()
+ s = data.decode('utf-8', 'ignore')
+ segment_urls = []
+ for line in s.splitlines():
+ line = line.strip()
+ if line and not line.startswith('#'):
+ segment_url = (
+ line
+ if re.match(r'^https?://', line)
+ else compat_urlparse.urljoin(url, line))
+ segment_urls.append(segment_url)
+
+ is_test = self.params.get('test', False)
+ remaining_bytes = self._TEST_FILE_SIZE if is_test else None
+ byte_counter = 0
+ with open(tmpfilename, 'wb') as outf:
+ for i, segurl in enumerate(segment_urls):
+ self.to_screen(
+ '[hlsnative] %s: Downloading segment %d / %d' %
+ (info_dict['id'], i + 1, len(segment_urls)))
+ seg_req = compat_urllib_request.Request(segurl)
+ if remaining_bytes is not None:
+ seg_req.add_header('Range', 'bytes=0-%d' % (remaining_bytes - 1))
+
+ segment = self.ydl.urlopen(seg_req).read()
+ if remaining_bytes is not None:
+ segment = segment[:remaining_bytes]
+ remaining_bytes -= len(segment)
+ outf.write(segment)
+ byte_counter += len(segment)
+ if remaining_bytes is not None and remaining_bytes <= 0:
+ break
+
+ self._hook_progress({
+ 'downloaded_bytes': byte_counter,
+ 'total_bytes': byte_counter,
+ 'filename': filename,
+ 'status': 'finished',
+ })
+ self.try_rename(tmpfilename, filename)
+ return True
+