X-Git-Url: https://jfr.im/git/yt-dlp.git/blobdiff_plain/a44ca5a470e09b5170fc9c3a46733f050fadbfae..d4ada3574ee1e68c8cf2a695378470fddb569c39:/yt_dlp/options.py diff --git a/yt_dlp/options.py b/yt_dlp/options.py index 06c613262..d930775e4 100644 --- a/yt_dlp/options.py +++ b/yt_dlp/options.py @@ -1,54 +1,47 @@ -from __future__ import unicode_literals - -import os.path +import collections +import contextlib import optparse +import os.path import re +import shlex +import shutil +import string import sys -from .compat import ( - compat_expanduser, - compat_get_terminal_size, - compat_getenv, - compat_kwargs, - compat_shlex_split, -) -from .utils import ( - Config, - expand_path, - get_executable_path, - OUTTMPL_TYPES, - POSTPROCESS_WHEN, - remove_end, - write_string, -) +from .compat import compat_expanduser from .cookies import SUPPORTED_BROWSERS, SUPPORTED_KEYRINGS -from .version import __version__ - from .downloader.external import list_external_downloaders from .postprocessor import ( FFmpegExtractAudioPP, + FFmpegMergerPP, FFmpegSubtitlesConvertorPP, FFmpegThumbnailsConvertorPP, FFmpegVideoRemuxerPP, SponsorBlockPP, ) from .postprocessor.modify_chapters import DEFAULT_SPONSORBLOCK_CHAPTER_TITLE +from .update import detect_variant +from .utils import ( + OUTTMPL_TYPES, + POSTPROCESS_WHEN, + Config, + expand_path, + get_executable_path, + join_nonempty, + remove_end, + write_string, +) +from .version import __version__ def parseOpts(overrideArguments=None, ignore_config_files='if_override'): - parser = create_parser() - root = Config(parser) - + root = Config(create_parser()) if ignore_config_files == 'if_override': ignore_config_files = overrideArguments is not None - if overrideArguments: - root.append_config(overrideArguments, label='Override') - else: - root.append_config(sys.argv[1:], label='Command-line') def _readUserConf(package_name, default=[]): # .config - xdg_config_home = compat_getenv('XDG_CONFIG_HOME') or compat_expanduser('~/.config') + xdg_config_home = os.getenv('XDG_CONFIG_HOME') or compat_expanduser('~/.config') userConfFile = os.path.join(xdg_config_home, package_name, 'config') if not os.path.isfile(userConfFile): userConfFile = os.path.join(xdg_config_home, '%s.conf' % package_name) @@ -57,7 +50,7 @@ def _readUserConf(package_name, default=[]): return userConf, userConfFile # appdata - appdata_dir = compat_getenv('appdata') + appdata_dir = os.getenv('appdata') if appdata_dir: userConfFile = os.path.join(appdata_dir, package_name, 'config') userConf = Config.read_file(userConfFile, default=None) @@ -80,7 +73,7 @@ def _readUserConf(package_name, default=[]): def add_config(label, path, user=False): """ Adds config and returns whether to continue """ - if root.parse_args()[0].ignoreconfig: + if root.parse_known_args()[0].ignoreconfig: return False # Multiple package names can be given here # Eg: ('yt-dlp', 'youtube-dlc', 'youtube-dl') will look for @@ -99,55 +92,136 @@ def add_config(label, path, user=False): def load_configs(): yield not ignore_config_files yield add_config('Portable', get_executable_path()) - yield add_config('Home', expand_path(root.parse_args()[0].paths.get('home', '')).strip()) + yield add_config('Home', expand_path(root.parse_known_args()[0].paths.get('home', '')).strip()) yield add_config('User', None, user=True) yield add_config('System', '/etc') - if all(load_configs()): - # If ignoreconfig is found inside the system configuration file, - # the user configuration is removed - if root.parse_args()[0].ignoreconfig: - user_conf = next((i for i, conf in enumerate(root.configs) if conf.label == 'User'), None) - if user_conf is not None: - root.configs.pop(user_conf) + opts = optparse.Values({'verbose': True, 'print_help': False}) + try: + try: + if overrideArguments: + root.append_config(overrideArguments, label='Override') + else: + root.append_config(sys.argv[1:], label='Command-line') + loaded_all_configs = all(load_configs()) + except ValueError as err: + raise root.parser.error(err) + + if loaded_all_configs: + # If ignoreconfig is found inside the system configuration file, + # the user configuration is removed + if root.parse_known_args()[0].ignoreconfig: + user_conf = next((i for i, conf in enumerate(root.configs) if conf.label == 'User'), None) + if user_conf is not None: + root.configs.pop(user_conf) + + try: + root.configs[0].load_configs() # Resolve any aliases using --config-location + except ValueError as err: + raise root.parser.error(err) + + opts, args = root.parse_args() + except optparse.OptParseError: + with contextlib.suppress(optparse.OptParseError): + opts, _ = root.parse_known_args(strict=False) + raise + except (SystemExit, KeyboardInterrupt): + opts.verbose = False + raise + finally: + verbose = opts.verbose and f'\n{root}'.replace('\n| ', '\n[debug] ')[1:] + if verbose: + write_string(f'{verbose}\n') + if opts.print_help: + if verbose: + write_string('\n') + root.parser.print_help() + if opts.print_help: + sys.exit() + return root.parser, opts, args + - opts, args = root.parse_args() - if opts.verbose: - write_string(f'\n{root}'.replace('\n| ', '\n[debug] ')[1:] + '\n') - return parser, opts, args +class _YoutubeDLHelpFormatter(optparse.IndentedHelpFormatter): + def __init__(self): + # No need to wrap help messages if we're on a wide console + max_width = shutil.get_terminal_size().columns or 80 + # The % is chosen to get a pretty output in README.md + super().__init__(width=max_width, max_help_position=int(0.45 * max_width)) + + @staticmethod + def format_option_strings(option): + """ ('-o', '--option') -> -o, --format METAVAR """ + opts = join_nonempty( + option._short_opts and option._short_opts[0], + option._long_opts and option._long_opts[0], + delim=', ') + if option.takes_value(): + opts += f' {option.metavar}' + return opts class _YoutubeDLOptionParser(optparse.OptionParser): # optparse is deprecated since python 3.2. So assume a stable interface even for private methods + ALIAS_TRIGGER_LIMIT = 100 + + def __init__(self): + super().__init__( + prog='yt-dlp' if detect_variant() == 'source' else None, + version=__version__, + usage='%prog [OPTIONS] URL [URL...]', + epilog='See full documentation at https://github.com/yt-dlp/yt-dlp#readme', + formatter=_YoutubeDLHelpFormatter(), + conflict_handler='resolve', + ) + + _UNKNOWN_OPTION = (optparse.BadOptionError, optparse.AmbiguousOptionError) + _BAD_OPTION = optparse.OptionValueError + + def parse_known_args(self, args=None, values=None, strict=True): + """Same as parse_args, but ignore unknown switches. Similar to argparse.parse_known_args""" + self.rargs, self.largs = self._get_args(args), [] + self.values = values or self.get_default_values() + while self.rargs: + arg = self.rargs[0] + try: + if arg == '--': + del self.rargs[0] + break + elif arg.startswith('--'): + self._process_long_opt(self.rargs, self.values) + elif arg.startswith('-') and arg != '-': + self._process_short_opts(self.rargs, self.values) + elif self.allow_interspersed_args: + self.largs.append(self.rargs.pop(0)) + else: + break + except optparse.OptParseError as err: + if isinstance(err, self._UNKNOWN_OPTION): + self.largs.append(err.opt_str) + elif strict: + if isinstance(err, self._BAD_OPTION): + self.error(str(err)) + raise + return self.check_values(self.values, self.largs) + + def error(self, msg): + msg = f'{self.get_prog_name()}: error: {str(msg).strip()}\n' + raise optparse.OptParseError(f'{self.get_usage()}\n{msg}' if self.usage else msg) + + def _get_args(self, args): + return sys.argv[1:] if args is None else list(args) def _match_long_opt(self, opt): - """Improve ambigious argument resolution by comparing option objects instead of argument strings""" + """Improve ambiguous argument resolution by comparing option objects instead of argument strings""" try: return super()._match_long_opt(opt) except optparse.AmbiguousOptionError as e: - if len(set(self._long_opt[p] for p in e.possibilities)) == 1: + if len({self._long_opt[p] for p in e.possibilities}) == 1: return e.possibilities[0] raise def create_parser(): - def _format_option_string(option): - ''' ('-o', '--option') -> -o, --format METAVAR''' - - opts = [] - - if option._short_opts: - opts.append(option._short_opts[0]) - if option._long_opts: - opts.append(option._long_opts[0]) - if len(opts) > 1: - opts.insert(1, ', ') - - if option.takes_value(): - opts.append(' %s' % option.metavar) - - return ''.join(opts) - def _list_from_options_callback(option, opt_str, value, parser, append=True, delim=',', process=str.strip): # append can be True, False or -1 (prepend) current = list(getattr(parser.values, option.dest)) if append else [] @@ -190,9 +264,9 @@ def _dict_from_options_callback( out_dict = dict(getattr(parser.values, option.dest)) multiple_args = not isinstance(value, str) if multiple_keys: - allowed_keys = r'(%s)(,(%s))*' % (allowed_keys, allowed_keys) + allowed_keys = fr'({allowed_keys})(,({allowed_keys}))*' mobj = re.match( - r'(?i)(?P%s)%s(?P.*)$' % (allowed_keys, delimiter), + fr'(?i)(?P{allowed_keys}){delimiter}(?P.*)$', value[0] if multiple_args else value) if mobj is not None: keys, val = mobj.group('keys').split(','), mobj.group('val') @@ -202,7 +276,7 @@ def _dict_from_options_callback( keys, val = [default_key], value else: raise optparse.OptionValueError( - 'wrong %s formatting; it should be %s, not "%s"' % (opt_str, option.metavar, value)) + f'wrong {opt_str} formatting; it should be {option.metavar}, not "{value}"') try: keys = map(process_key, keys) if process_key else keys val = process(val) if process else val @@ -212,30 +286,45 @@ def _dict_from_options_callback( out_dict[key] = out_dict.get(key, []) + [val] if append else val setattr(parser.values, option.dest, out_dict) - # No need to wrap help messages if we're on a wide console - columns = compat_get_terminal_size().columns - max_width = columns if columns else 80 - # 47% is chosen because that is how README.md is currently formatted - # and moving help text even further to the right is undesirable. - # This can be reduced in the future to get a prettier output - max_help_position = int(0.47 * max_width) + parser = _YoutubeDLOptionParser() + alias_group = optparse.OptionGroup(parser, 'Aliases') + Formatter = string.Formatter() - fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position) - fmt.format_option_strings = _format_option_string + def _create_alias(option, opt_str, value, parser): + aliases, opts = value + try: + nargs = len({i if f == '' else f + for i, (_, f, _, _) in enumerate(Formatter.parse(opts)) if f is not None}) + opts.format(*map(str, range(nargs))) # validate + except Exception as err: + raise optparse.OptionValueError(f'wrong {opt_str} OPTIONS formatting; {err}') + if alias_group not in parser.option_groups: + parser.add_option_group(alias_group) - kw = { - 'version': __version__, - 'formatter': fmt, - 'usage': '%prog [OPTIONS] URL [URL...]', - 'conflict_handler': 'resolve', - } + aliases = (x if x.startswith('-') else f'--{x}' for x in map(str.strip, aliases.split(','))) + try: + alias_group.add_option( + *aliases, help=opts, nargs=nargs, type='str' if nargs else None, + dest='_triggered_aliases', default=collections.defaultdict(int), + metavar=' '.join(f'ARG{i}' for i in range(nargs)), action='callback', + callback=_alias_callback, callback_kwargs={'opts': opts, 'nargs': nargs}) + except Exception as err: + raise optparse.OptionValueError(f'wrong {opt_str} formatting; {err}') - parser = _YoutubeDLOptionParser(**compat_kwargs(kw)) + def _alias_callback(option, opt_str, value, parser, opts, nargs): + counter = getattr(parser.values, option.dest) + counter[opt_str] += 1 + if counter[opt_str] > parser.ALIAS_TRIGGER_LIMIT: + raise optparse.OptionValueError(f'Alias {opt_str} exceeded invocation limit') + if nargs == 1: + value = [value] + assert (nargs == 0 and value is None) or len(value) == nargs + parser.rargs[:0] = shlex.split( + opts if value is None else opts.format(*map(shlex.quote, value))) general = optparse.OptionGroup(parser, 'General Options') general.add_option( - '-h', '--help', - action='help', + '-h', '--help', dest='print_help', action='store_true', help='Print this help text and exit') general.add_option( '--version', @@ -244,7 +333,11 @@ def _dict_from_options_callback( general.add_option( '-U', '--update', action='store_true', dest='update_self', - help='Update this program to latest version. Make sure that you have sufficient permissions (run with sudo if needed)') + help='Update this program to latest version') + general.add_option( + '--no-update', + action='store_false', dest='update_self', + help='Do not update (default)') general.add_option( '-i', '--ignore-errors', action='store_true', dest='ignoreerrors', @@ -276,7 +369,12 @@ def _dict_from_options_callback( general.add_option( '--default-search', dest='default_search', metavar='PREFIX', - help='Use this prefix for unqualified URLs. For example "gvsearch2:" downloads two videos from google videos for the search term "large apple". Use the value "auto" to let yt-dlp guess ("auto_warning" to emit a warning when guessing). "error" just throws an error. The default value "fixup_error" repairs broken URLs, but emits an error if this is not possible instead of searching') + help=( + 'Use this prefix for unqualified URLs. ' + 'Eg: "gvsearch2:python" downloads two videos from google videos for the search term "python". ' + 'Use the value "auto" to let yt-dlp guess ("auto_warning" to emit a warning when guessing). ' + '"error" just throws an error. The default value "fixup_error" repairs broken URLs, ' + 'but emits an error if this is not possible instead of searching')) general.add_option( '--ignore-config', '--no-config', action='store_true', dest='ignoreconfig', @@ -294,8 +392,8 @@ def _dict_from_options_callback( '--config-locations', dest='config_locations', metavar='PATH', action='append', help=( - 'Location of the main configuration file; either the path to the config or its containing directory. ' - 'Can be used multiple times and inside other configuration files')) + 'Location of the main configuration file; either the path to the config or its containing directory ' + '("-" for stdin). Can be used multiple times and inside other configuration files')) general.add_option( '--flat-playlist', action='store_const', dest='extract_flat', const='in_playlist', default=False, @@ -331,9 +429,9 @@ def _dict_from_options_callback( action='store_false', dest='mark_watched', help='Do not mark videos watched (default)') general.add_option( - '--no-colors', + '--no-colors', '--no-colours', action='store_true', dest='no_color', default=False, - help='Do not emit color codes in output') + help='Do not emit color codes in output (Alias: --no-colours)') general.add_option( '--compat-options', metavar='OPTS', dest='compat_opts', default=set(), type='str', @@ -352,16 +450,26 @@ def _dict_from_options_callback( 'Options that can help keep compatibility with youtube-dl or youtube-dlc ' 'configurations by reverting some of the changes made in yt-dlp. ' 'See "Differences in default behavior" for details')) + general.add_option( + '--alias', metavar='ALIASES OPTIONS', dest='_', type='str', nargs=2, + action='callback', callback=_create_alias, + help=( + 'Create aliases for an option string. Unless an alias starts with a dash "-", it is prefixed with "--". ' + 'Arguments are parsed according to the Python string formatting mini-language. ' + 'Eg: --alias get-audio,-X "-S=aext:{0},abr -x --audio-format {0}" creates options ' + '"--get-audio" and "-X" that takes an argument (ARG0) and expands to ' + '"-S=aext:ARG0,abr -x --audio-format ARG0". All defined aliases are listed in the --help output. ' + 'Alias options can trigger more aliases; so be careful to avoid defining recursive options. ' + f'As a safety measure, each alias may be triggered a maximum of {_YoutubeDLOptionParser.ALIAS_TRIGGER_LIMIT} times. ' + 'This option can be used multiple times')) network = optparse.OptionGroup(parser, 'Network Options') network.add_option( '--proxy', dest='proxy', default=None, metavar='URL', help=( - 'Use the specified HTTP/HTTPS/SOCKS proxy. To enable ' - 'SOCKS proxy, specify a proper scheme. For example ' - 'socks5://user:pass@127.0.0.1:1080/. Pass in an empty string (--proxy "") ' - 'for direct connection')) + 'Use the specified HTTP/HTTPS/SOCKS proxy. To enable SOCKS proxy, specify a proper scheme. ' + 'Eg: socks5://user:pass@127.0.0.1:1080/. Pass in an empty string (--proxy "") for direct connection')) network.add_option( '--socket-timeout', dest='socket_timeout', type=float, default=None, metavar='SECONDS', @@ -414,15 +522,19 @@ def _dict_from_options_callback( selection.add_option( '--playlist-start', dest='playliststart', metavar='NUMBER', default=1, type=int, - help='Playlist video to start at (default is %default)') + help=optparse.SUPPRESS_HELP) selection.add_option( '--playlist-end', dest='playlistend', metavar='NUMBER', default=None, type=int, - help='Playlist video to end at (default is last)') + help=optparse.SUPPRESS_HELP) selection.add_option( - '--playlist-items', + '-I', '--playlist-items', dest='playlist_items', metavar='ITEM_SPEC', default=None, - help='Playlist video items to download. Specify indices of the videos in the playlist separated by commas like: "--playlist-items 1,2,5,8" if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13') + help=( + 'Comma separated playlist_index of the videos to download. ' + 'You can specify a range using "[START]:[STOP][:STEP]". For backward compatibility, START-STOP is also supported. ' + 'Use negative indices to count from the right and negative STEP to download in reverse order. ' + 'Eg: "-I 1:3,7,-5::2" used on a playlist of size 15 will download the videos at index 1,2,3,7,11,13,15')) selection.add_option( '--match-title', dest='matchtitle', metavar='REGEX', @@ -443,9 +555,8 @@ def _dict_from_options_callback( '--date', metavar='DATE', dest='date', default=None, help=( - 'Download only videos uploaded on this date. ' - 'The date can be "YYYYMMDD" or in the format ' - '"(now|today)[+-][0-9](day|week|month|year)(s)?"')) + 'Download only videos uploaded on this date. The date can be "YYYYMMDD" or in the format ' + '[now|today|yesterday][-N[day|week|month|year]]. Eg: --date today-2weeks')) selection.add_option( '--datebefore', metavar='DATE', dest='datebefore', default=None, @@ -470,8 +581,8 @@ def _dict_from_options_callback( '--match-filters', metavar='FILTER', dest='match_filter', action='append', help=( - 'Generic video filter. Any field (see "OUTPUT TEMPLATE") can be compared with a ' - 'number or a string using the operators defined in "Filtering formats". ' + 'Generic video filter. Any "OUTPUT TEMPLATE" field can be compared with a ' + 'number or a string using the operators defined in "Filtering Formats". ' 'You can also simply specify a field to match if the field is present, ' 'use "!field" to check if the field is not present, and "&" to check multiple conditions. ' 'Use a "\\" to escape "&" or quotes if needed. If used multiple times, ' @@ -479,7 +590,8 @@ def _dict_from_options_callback( '!is_live --match-filter "like_count>?100 & description~=\'(?i)\\bcats \\& dogs\\b\'" ' 'matches only videos that are not live OR those that have a like count more than 100 ' '(or the like field is not available) and also has a description ' - 'that contains the phrase "cats & dogs" (ignoring case)')) + 'that contains the phrase "cats & dogs" (caseless). ' + 'Use "--match-filter -" to interactively ask whether to download each video')) selection.add_option( '--no-match-filter', metavar='FILTER', dest='match_filter', action='store_const', const=None, @@ -519,11 +631,11 @@ def _dict_from_options_callback( selection.add_option( '--break-per-input', action='store_true', dest='break_per_url', default=False, - help='Make --break-on-existing and --break-on-reject act only on the current input URL') + help='Make --break-on-existing, --break-on-reject and --max-downloads act only on the current input URL') selection.add_option( '--no-break-per-input', action='store_false', dest='break_per_url', - help='--break-on-existing and --break-on-reject terminates the entire download queue') + help='--break-on-existing and similar options terminates the entire download queue') selection.add_option( '--skip-playlist-after-errors', metavar='N', dest='skip_playlist_after_errors', default=None, type=int, @@ -578,6 +690,19 @@ def _dict_from_options_callback( '--ap-list-mso', action='store_true', dest='ap_list_mso', default=False, help='List all supported multiple-system operators') + authentication.add_option( + '--client-certificate', + dest='client_certificate', metavar='CERTFILE', + help='Path to client certificate file in PEM format. May include the private key') + authentication.add_option( + '--client-certificate-key', + dest='client_certificate_key', metavar='KEYFILE', + help='Path to private key file for client certificate') + authentication.add_option( + '--client-certificate-password', + dest='client_certificate_password', metavar='PASSWORD', + help='Password for client certificate private key, if encrypted. ' + 'If not provided, and the key is encrypted, yt-dlp will ask interactively') video_format = optparse.OptionGroup(parser, 'Video Format Options') video_format.add_option( @@ -594,13 +719,11 @@ def _dict_from_options_callback( action='store_true', dest='format_sort_force', metavar='FORMAT', default=False, help=( 'Force user specified sort order to have precedence over all fields, ' - 'see "Sorting Formats" for more details')) + 'see "Sorting Formats" for more details (Alias: --S-force)')) video_format.add_option( '--no-format-sort-force', action='store_false', dest='format_sort_force', metavar='FORMAT', default=False, - help=( - 'Some fields have precedence over the user specified sort order (default), ' - 'see "Sorting Formats" for more details')) + help='Some fields have precedence over the user specified sort order (default)') video_format.add_option( '--video-multistreams', action='store_true', dest='allow_multiple_video_streams', default=None, @@ -634,7 +757,7 @@ def _dict_from_options_callback( video_format.add_option( '--check-formats', action='store_const', const='selected', dest='check_formats', default=None, - help='Check that the selected formats are actually downloadable') + help='Make sure formats are selected only from those that are actually downloadable') video_format.add_option( '--check-all-formats', action='store_true', dest='check_formats', @@ -659,9 +782,8 @@ def _dict_from_options_callback( '--merge-output-format', action='store', dest='merge_output_format', metavar='FORMAT', default=None, help=( - 'If a merge is required (e.g. bestvideo+bestaudio), ' - 'output to given container format. One of mkv, mp4, ogg, webm, flv. ' - 'Ignored if no merge is required')) + 'Container to use when merging formats (e.g. bestvideo+bestaudio). Ignored if no merge is required. ' + f'(currently supported: {", ".join(sorted(FFmpegMergerPP.SUPPORTED_EXTS))})')) video_format.add_option( '--allow-unplayable-formats', action='store_true', dest='allow_unplayable_formats', default=False, @@ -699,14 +821,14 @@ def _dict_from_options_callback( subtitles.add_option( '--sub-format', action='store', dest='subtitlesformat', metavar='FORMAT', default='best', - help='Subtitle format, accepts formats preference, for example: "srt" or "ass/srt/best"') + help='Subtitle format; accepts formats preference, Eg: "srt" or "ass/srt/best"') subtitles.add_option( '--sub-langs', '--srt-langs', action='callback', dest='subtitleslangs', metavar='LANGS', type='str', default=[], callback=_list_from_options_callback, help=( 'Languages of the subtitles to download (can be regex) or "all" separated by commas. (Eg: --sub-langs "en.*,ja") ' - 'You can prefix the language code with a "-" to exempt it from the requested languages. (Eg: --sub-langs all,-live_chat) ' + 'You can prefix the language code with a "-" to exclude it from the requested languages. (Eg: --sub-langs all,-live_chat) ' 'Use --list-subs for a list of available language tags')) downloader = optparse.OptionGroup(parser, 'Download Options') @@ -734,14 +856,27 @@ def _dict_from_options_callback( '--fragment-retries', dest='fragment_retries', metavar='RETRIES', default=10, help='Number of retries for a fragment (default is %default), or "infinite" (DASH, hlsnative and ISM)') + downloader.add_option( + '--retry-sleep', + dest='retry_sleep', metavar='[TYPE:]EXPR', default={}, type='str', + action='callback', callback=_dict_from_options_callback, + callback_kwargs={ + 'allowed_keys': 'http|fragment|file_access', + 'default_key': 'http', + }, help=( + 'An expression for the time to sleep between retries in seconds (optionally) prefixed ' + 'by the type of retry (file_access, fragment, http (default)) to apply the sleep to. ' + 'EXPR can be a number, linear=START[:END[:STEP=1]] or exp=START[:END[:BASE=2]]. ' + 'This option can be used multiple times to set the sleep for the different retry types. ' + 'Eg: --retry-sleep linear=1::2 --retry-sleep fragment:exp=1:20')) downloader.add_option( '--skip-unavailable-fragments', '--no-abort-on-unavailable-fragment', action='store_true', dest='skip_unavailable_fragments', default=True, - help='Skip unavailable fragments for DASH, hlsnative and ISM (default) (Alias: --no-abort-on-unavailable-fragment)') + help='Skip unavailable fragments for DASH, hlsnative and ISM downloads (default) (Alias: --no-abort-on-unavailable-fragment)') downloader.add_option( '--abort-on-unavailable-fragment', '--no-skip-unavailable-fragments', action='store_false', dest='skip_unavailable_fragments', - help='Abort downloading if a fragment is unavailable (Alias: --no-skip-unavailable-fragments)') + help='Abort download if a fragment is unavailable (Alias: --no-skip-unavailable-fragments)') downloader.add_option( '--keep-fragments', action='store_true', dest='keep_fragments', default=False, @@ -774,16 +909,24 @@ def _dict_from_options_callback( help=optparse.SUPPRESS_HELP) downloader.add_option( '--playlist-reverse', - action='store_true', - help='Download playlist videos in reverse order') + action='store_true', dest='playlist_reverse', + help=optparse.SUPPRESS_HELP) downloader.add_option( '--no-playlist-reverse', action='store_false', dest='playlist_reverse', - help='Download playlist videos in default order (default)') + help=optparse.SUPPRESS_HELP) downloader.add_option( '--playlist-random', - action='store_true', + action='store_true', dest='playlist_random', help='Download playlist videos in random order') + downloader.add_option( + '--lazy-playlist', + action='store_true', dest='lazy_playlist', + help='Process entries in the playlist as they are received. This disables n_entries, --playlist-random and --playlist-reverse') + downloader.add_option( + '--no-lazy-playlist', + action='store_false', dest='lazy_playlist', + help='Process videos in the playlist only after the entire playlist is parsed (default)') downloader.add_option( '--xattr-set-filesize', dest='xattr_set_filesize', action='store_true', @@ -810,6 +953,14 @@ def _dict_from_options_callback( help=( 'Do not use the mpegts container for HLS videos. ' 'This is default when not downloading live streams')) + downloader.add_option( + '--download-sections', + metavar='REGEX', dest='download_ranges', action='append', + help=( + 'Download only chapters whose title matches the given regular expression. ' + 'Time ranges prefixed by a "*" can also be used in place of chapters to download the specified range. ' + 'Eg: --download-sections "*10:15-15:00" --download-sections "intro". ' + 'Needs ffmpeg. This option can be used multiple times to download multiple sections')) downloader.add_option( '--downloader', '--external-downloader', dest='external_downloader', metavar='[PROTO:]NAME', default={}, type='str', @@ -821,11 +972,11 @@ def _dict_from_options_callback( }, help=( 'Name or path of the external downloader to use (optionally) prefixed by ' 'the protocols (http, ftp, m3u8, dash, rstp, rtmp, mms) to use it for. ' - 'Currently supports native, %s (Recommended: aria2c). ' + f'Currently supports native, {", ".join(sorted(list_external_downloaders()))}. ' 'You can use this option multiple times to set different downloaders for different protocols. ' 'For example, --downloader aria2c --downloader "dash,m3u8:native" will use ' 'aria2c for http/ftp downloads, and the native downloader for dash/m3u8 downloads ' - '(Alias: --external-downloader)' % ', '.join(list_external_downloaders()))) + '(Alias: --external-downloader)')) downloader.add_option( '--downloader-args', '--external-downloader-args', metavar='NAME:ARGS', dest='external_downloader_args', default={}, type='str', @@ -833,7 +984,7 @@ def _dict_from_options_callback( callback_kwargs={ 'allowed_keys': r'ffmpeg_[io]\d*|%s' % '|'.join(map(re.escape, list_external_downloaders())), 'default_key': 'default', - 'process': compat_shlex_split + 'process': shlex.split }, help=( 'Give these arguments to the external downloader. ' 'Specify the downloader name and the arguments separated by a colon ":". ' @@ -940,7 +1091,8 @@ def _dict_from_options_callback( }, help=( 'Field name or output template to print to screen, optionally prefixed with when to print it, separated by a ":". ' 'Supported values of "WHEN" are the same as that of --use-postprocessor, and "video" (default). ' - 'Implies --quiet and --simulate (unless --no-simulate is used). This option can be used multiple times')) + 'Implies --quiet. Implies --simulate unless --no-simulate or later stages of WHEN are used. ' + 'This option can be used multiple times')) verbosity.add_option( '--print-to-file', metavar='[WHEN:]TEMPLATE FILE', dest='print_to_file', default={}, type='str', nargs=2, @@ -1047,6 +1199,10 @@ def _dict_from_options_callback( '--write-pages', action='store_true', dest='write_pages', default=False, help='Write downloaded intermediary pages to files in the current directory to debug problems') + verbosity.add_option( + '--load-pages', + action='store_true', dest='load_pages', default=False, + help=optparse.SUPPRESS_HELP) verbosity.add_option( '--youtube-print-sig-code', action='store_true', dest='youtube_print_sig_code', default=False, @@ -1058,7 +1214,7 @@ def _dict_from_options_callback( verbosity.add_option( '-C', '--call-home', dest='call_home', action='store_true', default=False, - # help='[Broken] Contact the yt-dlp server for debugging') + # help='Contact the yt-dlp server for debugging') help=optparse.SUPPRESS_HELP) verbosity.add_option( '--no-call-home', @@ -1106,7 +1262,7 @@ def _dict_from_options_callback( filesystem.add_option( '--output-na-placeholder', dest='outtmpl_na_placeholder', metavar='TEXT', default='NA', - help=('Placeholder value for unavailable meta fields in output filename template (default: "%default")')) + help=('Placeholder for unavailable fields in "OUTPUT TEMPLATE" (default: "%default")')) filesystem.add_option( '--autonumber-size', dest='autonumber_size', metavar='NUMBER', type=int, @@ -1312,26 +1468,27 @@ def _dict_from_options_callback( postproc.add_option( '--audio-format', metavar='FORMAT', dest='audioformat', default='best', help=( - 'Specify audio format to convert the audio to when -x is used. Currently supported formats are: ' - 'best (default) or one of %s' % ', '.join(FFmpegExtractAudioPP.SUPPORTED_EXTS))) + 'Format to convert the audio to when -x is used. ' + f'(currently supported: best (default), {", ".join(sorted(FFmpegExtractAudioPP.SUPPORTED_EXTS))}). ' + 'You can specify multiple rules using similar syntax as --remux-video')) postproc.add_option( '--audio-quality', metavar='QUALITY', dest='audioquality', default='5', - help='Specify ffmpeg audio quality to use when converting the audio with -x. Insert a value between 0 (best) and 10 (worst) for VBR or a specific bitrate like 128K (default %default)') + help=( + 'Specify ffmpeg audio quality to use when converting the audio with -x. ' + 'Insert a value between 0 (best) and 10 (worst) for VBR or a specific bitrate like 128K (default %default)')) postproc.add_option( '--remux-video', metavar='FORMAT', dest='remuxvideo', default=None, help=( - 'Remux the video into another container if necessary (currently supported: %s). ' - 'If target container does not support the video/audio codec, remuxing will fail. ' - 'You can specify multiple rules; Eg. "aac>m4a/mov>mp4/mkv" will remux aac to m4a, mov to mp4 ' - 'and anything else to mkv.' % ', '.join(FFmpegVideoRemuxerPP.SUPPORTED_EXTS))) + 'Remux the video into another container if necessary ' + f'(currently supported: {", ".join(FFmpegVideoRemuxerPP.SUPPORTED_EXTS)}). ' + 'If target container does not support the video/audio codec, remuxing will fail. You can specify multiple rules; ' + 'Eg. "aac>m4a/mov>mp4/mkv" will remux aac to m4a, mov to mp4 and anything else to mkv')) postproc.add_option( '--recode-video', metavar='FORMAT', dest='recodevideo', default=None, - help=( - 'Re-encode the video into another format if re-encoding is necessary. ' - 'The syntax and supported formats are the same as --remux-video')) + help='Re-encode the video into another format if necessary. The syntax and supported formats are the same as --remux-video') postproc.add_option( '--postprocessor-args', '--ppa', metavar='NAME:ARGS', dest='postprocessor_args', default={}, type='str', @@ -1339,7 +1496,7 @@ def _dict_from_options_callback( callback_kwargs={ 'allowed_keys': r'\w+(?:\+\w+)?', 'default_key': 'default-compat', - 'process': compat_shlex_split, + 'process': shlex.split, 'multiple_keys': False }, help=( 'Give these arguments to the postprocessors. ' @@ -1428,7 +1585,7 @@ def _dict_from_options_callback( dest='parse_metadata', metavar='FIELDS REGEX REPLACE', action='append', nargs=3, help='Replace text in a metadata field using the given regex. This option can be used multiple times') postproc.add_option( - '--xattrs', + '--xattrs', '--xattr', action='store_true', dest='xattrs', default=False, help='Write metadata to the video file\'s xattrs (using dublin core and xdg standards)') postproc.add_option( @@ -1495,13 +1652,14 @@ def _dict_from_options_callback( metavar='FORMAT', dest='convertsubtitles', default=None, help=( 'Convert the subtitles to another format (currently supported: %s) ' - '(Alias: --convert-subtitles)' % ', '.join(FFmpegSubtitlesConvertorPP.SUPPORTED_EXTS))) + '(Alias: --convert-subtitles)' % ', '.join(sorted(FFmpegSubtitlesConvertorPP.SUPPORTED_EXTS)))) postproc.add_option( '--convert-thumbnails', metavar='FORMAT', dest='convertthumbnails', default=None, help=( 'Convert the thumbnails to another format ' - '(currently supported: %s) ' % ', '.join(FFmpegThumbnailsConvertorPP.SUPPORTED_EXTS))) + f'(currently supported: {", ".join(sorted(FFmpegThumbnailsConvertorPP.SUPPORTED_EXTS))}). ' + 'You can specify multiple rules using similar syntax as --remux-video')) postproc.add_option( '--split-chapters', '--split-tracks', dest='split_chapters', action='store_true', default=False, @@ -1518,9 +1676,7 @@ def _dict_from_options_callback( metavar='REGEX', dest='remove_chapters', action='append', help=( 'Remove chapters whose title matches the given regular expression. ' - 'Time ranges prefixed by a "*" can also be used in place of chapters to remove the specified range. ' - 'Eg: --remove-chapters "*10:15-15:00" --remove-chapters "intro". ' - 'This option can be used multiple times')) + 'The syntax is the same as --download-sections. This option can be used multiple times')) postproc.add_option( '--no-remove-chapters', dest='remove_chapters', action='store_const', const=None, help='Do not remove any chapters from the file (default)') @@ -1528,9 +1684,8 @@ def _dict_from_options_callback( '--force-keyframes-at-cuts', action='store_true', dest='force_keyframes_at_cuts', default=False, help=( - 'Force keyframes around the chapters before removing/splitting them. ' - 'Requires a re-encode and thus is very slow, but the resulting video ' - 'may have fewer artifacts around the cuts')) + 'Force keyframes at cuts when downloading/splitting/removing sections. ' + 'This is slow due to needing a re-encode, but the resulting video may have fewer artifacts around the cuts')) postproc.add_option( '--no-force-keyframes-at-cuts', action='store_false', dest='force_keyframes_at_cuts', @@ -1568,8 +1723,8 @@ def _dict_from_options_callback( 'aliases': {'default': ['all']} }, help=( 'SponsorBlock categories to create chapters for, separated by commas. ' - f'Available categories are all, default(=all), {", ".join(SponsorBlockPP.CATEGORIES.keys())}. ' - 'You can prefix the category with a "-" to exempt it. See [1] for description of the categories. ' + f'Available categories are {", ".join(SponsorBlockPP.CATEGORIES.keys())}, all and default (=all). ' + 'You can prefix the category with a "-" to exclude it. See [1] for description of the categories. ' 'Eg: --sponsorblock-mark all,-preview [1] https://wiki.sponsor.ajay.app/w/Segment_Categories')) sponsorblock.add_option( '--sponsorblock-remove', metavar='CATS', @@ -1590,9 +1745,9 @@ def _dict_from_options_callback( '--sponsorblock-chapter-title', metavar='TEMPLATE', default=DEFAULT_SPONSORBLOCK_CHAPTER_TITLE, dest='sponsorblock_chapter_title', help=( - 'The title template for SponsorBlock chapters created by --sponsorblock-mark. ' - 'The same syntax as the output template is used, but the only available fields are ' - 'start_time, end_time, category, categories, name, category_names. Defaults to "%default"')) + 'An output template for the title of the SponsorBlock chapters created by --sponsorblock-mark. ' + 'The only available fields are start_time, end_time, category, categories, name, category_names. ' + 'Defaults to "%default"')) sponsorblock.add_option( '--no-sponsorblock', default=False, action='store_true', dest='no_sponsorblock',