[downloader/fragment] Restart inconsistent incomplete fragment downloads (#13731)

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Sergey M․ 2017-09-14 23:19:53 +07:00
parent 757984af90
commit e7c3e33456
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@ -151,10 +151,15 @@ def _prepare_frag_download(self, ctx):
if self.__do_ytdl_file(ctx): if self.__do_ytdl_file(ctx):
if os.path.isfile(encodeFilename(self.ytdl_filename(ctx['filename']))): if os.path.isfile(encodeFilename(self.ytdl_filename(ctx['filename']))):
self._read_ytdl_file(ctx) self._read_ytdl_file(ctx)
if ctx['fragment_index'] > 0 and resume_len == 0:
self.report_error(
'Inconsistent state of incomplete fragment download. '
'Restarting from the beginning...')
ctx['fragment_index'] = resume_len = 0
self._write_ytdl_file(ctx)
else: else:
self._write_ytdl_file(ctx) self._write_ytdl_file(ctx)
if ctx['fragment_index'] > 0: assert ctx['fragment_index'] == 0
assert resume_len > 0
dest_stream, tmpfilename = sanitize_open(tmpfilename, open_mode) dest_stream, tmpfilename = sanitize_open(tmpfilename, open_mode)