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Option --wait-for-video to wait for scheduled streams

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pukkandan 2021-11-29 00:27:44 +05:30
parent b222c27145
commit f2ebc5c7be
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5 changed files with 91 additions and 9 deletions
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55
yt_dlp/YoutubeDL.py
View file

@ -93,6 +93,7 @@
PostProcessingError,
preferredencoding,
prepend_extension,
ReExtractInfo,
register_socks_protocols,
RejectedVideoReached,
render_table,
@ -109,7 +110,7 @@
strftime_or_none,
subtitles_filename,
supports_terminal_sequences,
ThrottledDownload,
timetuple_from_msec,
to_high_limit_path,
traverse_obj,
try_get,
@ -333,6 +334,9 @@ class YoutubeDL(object):
extract_flat: Do not resolve URLs, return the immediate result.
Pass in 'in_playlist' to only show this behavior for
playlist items.
wait_for_video: If given, wait for scheduled streams to become available.
The value should be a tuple containing the range
(min_secs, max_secs) to wait between retries
postprocessors: A list of dictionaries, each with an entry
* key: The name of the postprocessor. See
yt_dlp/postprocessor/__init__.py for a list.
@ -1328,7 +1332,10 @@ def wrapper(self, *args, **kwargs):
self.report_error(msg)
except ExtractorError as e: # An error we somewhat expected
self.report_error(compat_str(e), e.format_traceback())
except ThrottledDownload as e:
except ReExtractInfo as e:
if e.expected:
self.to_screen(f'{e}; Re-extracting data')
else:
self.to_stderr('\r')
self.report_warning(f'{e}; Re-extracting data')
return wrapper(self, *args, **kwargs)
@ -1341,6 +1348,47 @@ def wrapper(self, *args, **kwargs):
raise
return wrapper
def _wait_for_video(self, ie_result):
if (not self.params.get('wait_for_video')
or ie_result.get('_type', 'video') != 'video'
or ie_result.get('formats') or ie_result.get('url')):
return
format_dur = lambda dur: '%02d:%02d:%02d' % timetuple_from_msec(dur * 1000)[:-1]
last_msg = ''
def progress(msg):
nonlocal last_msg
self.to_screen(msg + ' ' * (len(last_msg) - len(msg)) + '\r', skip_eol=True)
last_msg = msg
min_wait, max_wait = self.params.get('wait_for_video')
diff = try_get(ie_result, lambda x: x['release_timestamp'] - time.time())
if diff is None and ie_result.get('live_status') == 'is_upcoming':
diff = random.randrange(min_wait or 0, max_wait) if max_wait else min_wait
self.report_warning('Release time of video is not known')
elif (diff or 0) <= 0:
self.report_warning('Video should already be available according to extracted info')
diff = min(max(diff, min_wait or 0), max_wait or float('inf'))
self.to_screen(f'[wait] Waiting for {format_dur(diff)} - Press Ctrl+C to try now')
wait_till = time.time() + diff
try:
while True:
diff = wait_till - time.time()
if diff <= 0:
progress('')
raise ReExtractInfo('[wait] Wait period ended', expected=True)
progress(f'[wait] Remaining time until next attempt: {self._format_screen(format_dur(diff), self.Styles.EMPHASIS)}')
time.sleep(1)
except KeyboardInterrupt:
progress('')
raise ReExtractInfo('[wait] Interrupted by user', expected=True)
except BaseException as e:
if not isinstance(e, ReExtractInfo):
self.to_screen('')
raise
@__handle_extraction_exceptions
def __extract_info(self, url, ie, download, extra_info, process):
ie_result = ie.extract(url)
@ -1356,6 +1404,7 @@ def __extract_info(self, url, ie, download, extra_info, process):
ie_result.setdefault('original_url', extra_info['original_url'])
self.add_default_extra_info(ie_result, ie, url)
if process:
self._wait_for_video(ie_result)
return self.process_ie_result(ie_result, download, extra_info)
else:
return ie_result
@ -3007,7 +3056,7 @@ def download_with_info_file(self, info_filename):
info = self.sanitize_info(json.loads('\n'.join(f)), self.params.get('clean_infojson', True))
try:
self.__download_wrapper(self.process_ie_result)(info, download=True)
except (DownloadError, EntryNotInPlaylist, ThrottledDownload) as e:
except (DownloadError, EntryNotInPlaylist, ReExtractInfo) as e:
if not isinstance(e, EntryNotInPlaylist):
self.to_stderr('\r')
webpage_url = info.get('webpage_url')

9
yt_dlp/__init__.py
View file

@ -196,6 +196,14 @@ def _real_main(argv=None):
opts.continue_dl = False
if opts.concurrent_fragment_downloads <= 0:
raise ValueError('Concurrent fragments must be positive')
if opts.wait_for_video is not None:
mobj = re.match(r'(?P<min>\d+)(?:-(?P<max>\d+))?$', opts.wait_for_video)
if not mobj:
parser.error('Invalid time range to wait')
min_wait, max_wait = map(int_or_none, mobj.group('min', 'max'))
if max_wait is not None and max_wait < min_wait:
parser.error('Invalid time range to wait')
opts.wait_for_video = (min_wait, max_wait)
def parse_retries(retries, name=''):
if retries in ('inf', 'infinite'):
@ -720,6 +728,7 @@ def report_args_compat(arg, name):
'youtube_include_hls_manifest': opts.youtube_include_hls_manifest,
'encoding': opts.encoding,
'extract_flat': opts.extract_flat,
'wait_for_video': opts.wait_for_video,
'mark_watched': opts.mark_watched,
'merge_output_format': opts.merge_output_format,
'final_ext': final_ext,

9
yt_dlp/extractor/common.py
View file

@ -1079,7 +1079,8 @@ def report_login(self):
def raise_login_required(
self, msg='This video is only available for registered users',
metadata_available=False, method='any'):
if metadata_available and self.get_param('ignore_no_formats_error'):
if metadata_available and (
self.get_param('ignore_no_formats_error') or self.get_param('wait_for_video')):
self.report_warning(msg)
if method is not None:
msg = '%s. %s' % (msg, self._LOGIN_HINTS[method])
@ -1088,13 +1089,15 @@ def raise_login_required(
def raise_geo_restricted(
self, msg='This video is not available from your location due to geo restriction',
countries=None, metadata_available=False):
if metadata_available and self.get_param('ignore_no_formats_error'):
if metadata_available and (
self.get_param('ignore_no_formats_error') or self.get_param('wait_for_video')):
self.report_warning(msg)
else:
raise GeoRestrictedError(msg, countries=countries)
def raise_no_formats(self, msg, expected=False, video_id=None):
if expected and self.get_param('ignore_no_formats_error'):
if expected and (
self.get_param('ignore_no_formats_error') or self.get_param('wait_for_video')):
self.report_warning(msg, video_id)
elif isinstance(msg, ExtractorError):
raise msg

10
yt_dlp/options.py
View file

@ -258,6 +258,16 @@ def _dict_from_options_callback(
'--no-flat-playlist',
action='store_false', dest='extract_flat',
help='Extract the videos of a playlist')
general.add_option(
'--wait-for-video',
dest='wait_for_video', metavar='MIN[-MAX]', default=None,
help=(
'Wait for scheduled streams to become available. '
'Pass the minimum number of seconds (or range) to wait between retries'))
general.add_option(
'--no-wait-for-video',
dest='wait_for_video', action='store_const', const=None,
help='Do not wait for scheduled streams (default)')
general.add_option(
'--mark-watched',
action='store_true', dest='mark_watched', default=False,

13
yt_dlp/utils.py
View file

@ -2600,10 +2600,21 @@ class MaxDownloadsReached(DownloadCancelled):
msg = 'Maximum number of downloads reached, stopping due to --max-downloads'
class ThrottledDownload(YoutubeDLError):
class ReExtractInfo(YoutubeDLError):
""" Video info needs to be re-extracted. """
def __init__(self, msg, expected=False):
super().__init__(msg)
self.expected = expected
class ThrottledDownload(ReExtractInfo):
""" Download speed below --throttled-rate. """
msg = 'The download speed is below throttle limit'
def __init__(self, msg):
super().__init__(msg, expected=False)
class UnavailableVideoError(YoutubeDLError):
"""Unavailable Format exception.