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Add option --extractor-retries to retry on known extractor errors
* Currently only used by youtube Fixes https://github.com/ytdl-org/youtube-dl/issues/28194 Possibly also fixes: https://github.com/ytdl-org/youtube-dl/issues/28289 (can not confirm since the issue isn't reliably reproducible)
This commit is contained in:
pukkandan
parent
f0884c8b3f
commit
62bff2c170
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@ -381,17 +381,18 @@ class YoutubeDL(object):
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Use 'default' as the name for arguments to passed to all PP
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The following options are used by the extractors:
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dynamic_mpd: Whether to process dynamic DASH manifests (default: True)
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extractor_retries: Number of times to retry for known errors
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dynamic_mpd: Whether to process dynamic DASH manifests (default: True)
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hls_split_discontinuity: Split HLS playlists to different formats at
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discontinuities such as ad breaks (default: False)
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discontinuities such as ad breaks (default: False)
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youtube_include_dash_manifest: If True (default), DASH manifests and related
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data will be downloaded and processed by extractor.
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You can reduce network I/O by disabling it if you don't
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care about DASH. (only for youtube)
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data will be downloaded and processed by extractor.
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You can reduce network I/O by disabling it if you don't
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care about DASH. (only for youtube)
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youtube_include_hls_manifest: If True (default), HLS manifests and related
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data will be downloaded and processed by extractor.
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You can reduce network I/O by disabling it if you don't
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care about HLS. (only for youtube)
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data will be downloaded and processed by extractor.
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You can reduce network I/O by disabling it if you don't
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care about HLS. (only for youtube)
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"""
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_NUMERIC_FIELDS = set((
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@ -181,19 +181,21 @@ def _real_main(argv=None):
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# --yes-overwrites implies --no-continue
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opts.continue_dl = False
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def parse_retries(retries):
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def parse_retries(retries, name=''):
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if retries in ('inf', 'infinite'):
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parsed_retries = float('inf')
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else:
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try:
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parsed_retries = int(retries)
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except (TypeError, ValueError):
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parser.error('invalid retry count specified')
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parser.error('invalid %sretry count specified' % name)
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return parsed_retries
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if opts.retries is not None:
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opts.retries = parse_retries(opts.retries)
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if opts.fragment_retries is not None:
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opts.fragment_retries = parse_retries(opts.fragment_retries)
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opts.fragment_retries = parse_retries(opts.fragment_retries, 'fragment ')
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if opts.extractor_retries is not None:
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opts.extractor_retries = parse_retries(opts.extractor_retries, 'extractor ')
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if opts.buffersize is not None:
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numeric_buffersize = FileDownloader.parse_bytes(opts.buffersize)
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if numeric_buffersize is None:
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@ -458,6 +460,7 @@ def report_args_compat(arg, name):
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'overwrites': opts.overwrites,
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'retries': opts.retries,
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'fragment_retries': opts.fragment_retries,
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'extractor_retries': opts.extractor_retries,
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'skip_unavailable_fragments': opts.skip_unavailable_fragments,
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'keep_fragments': opts.keep_fragments,
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'buffersize': opts.buffersize,
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@ -2762,28 +2762,36 @@ def extract_entries(parent_renderer): # this needs to called again for continua
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for page_num in itertools.count(1):
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if not continuation:
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break
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count = 0
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retries = 3
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while count <= retries:
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retries = self._downloader.params.get('extractor_retries', 3)
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count = -1
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last_error = None
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while count < retries:
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count += 1
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if last_error:
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self.report_warning('%s. Retrying ...' % last_error)
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try:
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# Downloading page may result in intermittent 5xx HTTP error
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# that is usually worked around with a retry
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browse = self._download_json(
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'https://www.youtube.com/browse_ajax', None,
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'Downloading page %d%s'
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% (page_num, ' (retry #%d)' % count if count else ''),
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headers=headers, query=continuation)
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break
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except ExtractorError as e:
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if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
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count += 1
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if count <= retries:
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if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503, 404):
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# Downloading page may result in intermittent 5xx HTTP error
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# Sometimes a 404 is also recieved. See: https://github.com/ytdl-org/youtube-dl/issues/28289
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last_error = 'HTTP Error %s' % e.cause.code
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if count < retries:
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continue
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raise
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if not browse:
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break
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response = try_get(browse, lambda x: x[1]['response'], dict)
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if not response:
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else:
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response = try_get(browse, lambda x: x[1]['response'], dict)
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# Youtube sometimes sends incomplete data
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# See: https://github.com/ytdl-org/youtube-dl/issues/28194
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if response.get('continuationContents') or response.get('onResponseReceivedActions'):
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break
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last_error = 'Incomplete data recieved'
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if not browse or not response:
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break
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known_continuation_renderers = {
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@ -3004,11 +3012,16 @@ def _real_extract(self, url):
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return self.url_result(video_id, ie=YoutubeIE.ie_key(), video_id=video_id)
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self.to_screen('Downloading playlist %s - add --no-playlist to just download video %s' % (playlist_id, video_id))
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count = 0
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retries = 3
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retries = self._downloader.params.get('extractor_retries', 3)
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count = -1
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while count < retries:
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count += 1
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# Sometimes youtube returns a webpage with incomplete ytInitialData
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webpage = self._download_webpage(url, item_id)
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# See: https://github.com/yt-dlp/yt-dlp/issues/116
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if count:
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self.report_warning('Incomplete yt initial data recieved. Retrying ...')
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webpage = self._download_webpage(url, item_id,
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'Downloading webpage%s' % ' (retry #%d)' % count if count else '')
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identity_token = self._extract_identity_token(webpage, item_id)
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data = self._extract_yt_initial_data(item_id, webpage)
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err_msg = None
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@ -3023,9 +3036,6 @@ def _real_extract(self, url):
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raise ExtractorError('YouTube said: %s' % err_msg, expected=True)
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if data.get('contents') or data.get('currentVideoEndpoint'):
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break
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count += 1
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self.to_screen(
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'Incomplete yt initial data recieved. Retrying (attempt %d of %d)...' % (count, retries))
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tabs = try_get(
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data, lambda x: x['contents']['twoColumnBrowseResultsRenderer']['tabs'], list)
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@ -1218,6 +1218,10 @@ def _dict_from_multiple_values_options_callback(
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help=optparse.SUPPRESS_HELP)
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extractor = optparse.OptionGroup(parser, 'Extractor Options')
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extractor.add_option(
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'--extractor-retries',
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dest='extractor_retries', metavar='RETRIES', default=10,
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help='Number of retries for known extractor errors (default is %default), or "infinite"')
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extractor.add_option(
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'--allow-dynamic-mpd', '--no-ignore-dynamic-mpd',
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action='store_true', dest='dynamic_mpd', default=True,
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