X-Git-Url: https://jfr.im/git/yt-dlp.git/blobdiff_plain/ac668111128b5f124b4271b3aa4c35f6e71a4749..8c53322cda75394a8d551dde20b2529ee5ad6e89:/yt_dlp/options.py diff --git a/yt_dlp/options.py b/yt_dlp/options.py index a4f8e0959..5bbb292de 100644 --- a/yt_dlp/options.py +++ b/yt_dlp/options.py @@ -13,20 +13,26 @@ 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 .update import detect_variant, is_non_updateable from .utils import ( OUTTMPL_TYPES, POSTPROCESS_WHEN, Config, + deprecation_warning, expand_path, + format_field, get_executable_path, + get_system_config_dirs, + get_user_config_dirs, join_nonempty, + orderedSet_from_options, remove_end, write_string, ) @@ -38,62 +44,67 @@ def parseOpts(overrideArguments=None, ignore_config_files='if_override'): if ignore_config_files == 'if_override': ignore_config_files = overrideArguments is not None - def _readUserConf(package_name, default=[]): - # .config + def _load_from_config_dirs(config_dirs): + for config_dir in config_dirs: + conf_file_path = os.path.join(config_dir, 'config') + conf = Config.read_file(conf_file_path, default=None) + if conf is None: + conf_file_path += '.txt' + conf = Config.read_file(conf_file_path, default=None) + if conf is not None: + return conf, conf_file_path + return None, None + + def _read_user_conf(package_name, default=None): + # .config/package_name.conf 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) - userConf = Config.read_file(userConfFile, default=None) - if userConf is not None: - return userConf, userConfFile + user_conf_file = os.path.join(xdg_config_home, '%s.conf' % package_name) + user_conf = Config.read_file(user_conf_file, default=None) + if user_conf is not None: + return user_conf, user_conf_file - # 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) - if userConf is None: - userConfFile += '.txt' - userConf = Config.read_file(userConfFile, default=None) - if userConf is not None: - return userConf, userConfFile + # home (~/package_name.conf or ~/package_name.conf.txt) + user_conf_file = os.path.join(compat_expanduser('~'), '%s.conf' % package_name) + user_conf = Config.read_file(user_conf_file, default=None) + if user_conf is None: + user_conf_file += '.txt' + user_conf = Config.read_file(user_conf_file, default=None) + if user_conf is not None: + return user_conf, user_conf_file - # home - userConfFile = os.path.join(compat_expanduser('~'), '%s.conf' % package_name) - userConf = Config.read_file(userConfFile, default=None) - if userConf is None: - userConfFile += '.txt' - userConf = Config.read_file(userConfFile, default=None) - if userConf is not None: - return userConf, userConfFile + # Package config directories (e.g. ~/.config/package_name/package_name.txt) + user_conf, user_conf_file = _load_from_config_dirs(get_user_config_dirs(package_name)) + if user_conf is not None: + return user_conf, user_conf_file + return default if default is not None else [], None - return default, None + def _read_system_conf(package_name, default=None): + system_conf, system_conf_file = _load_from_config_dirs(get_system_config_dirs(package_name)) + if system_conf is not None: + return system_conf, system_conf_file + return default if default is not None else [], None - def add_config(label, path, user=False): + def add_config(label, path=None, func=None): """ Adds config and returns whether to continue """ 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 - # the configuration file of any of these three packages - for package in ('yt-dlp',): - if user: - args, current_path = _readUserConf(package, default=None) - else: - current_path = os.path.join(path, '%s.conf' % package) - args = Config.read_file(current_path, default=None) - if args is not None: - root.append_config(args, current_path, label=label) - return True + elif func: + assert path is None + args, current_path = func('yt-dlp') + else: + current_path = os.path.join(path, 'yt-dlp.conf') + args = Config.read_file(current_path, default=None) + if args is not None: + root.append_config(args, current_path, label=label) + return True return True def load_configs(): yield not ignore_config_files yield add_config('Portable', get_executable_path()) 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') + yield add_config('User', func=_read_user_conf) + yield add_config('System', func=_read_system_conf) opts = optparse.Values({'verbose': True, 'print_help': False}) try: @@ -114,6 +125,11 @@ def load_configs(): 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): @@ -156,6 +172,7 @@ def format_option_strings(option): class _YoutubeDLOptionParser(optparse.OptionParser): # optparse is deprecated since python 3.2. So assume a stable interface even for private methods + ALIAS_DEST = '_triggered_aliases' ALIAS_TRIGGER_LIMIT = 100 def __init__(self): @@ -167,6 +184,7 @@ def __init__(self): formatter=_YoutubeDLHelpFormatter(), conflict_handler='resolve', ) + self.set_default(self.ALIAS_DEST, collections.defaultdict(int)) _UNKNOWN_OPTION = (optparse.BadOptionError, optparse.AmbiguousOptionError) _BAD_OPTION = optparse.OptionValueError @@ -176,8 +194,19 @@ def parse_known_args(self, args=None, values=None, strict=True): self.rargs, self.largs = self._get_args(args), [] self.values = values or self.get_default_values() while self.rargs: + arg = self.rargs[0] try: - self._process_args(self.largs, self.rargs, self.values) + 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) @@ -195,7 +224,7 @@ 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: @@ -214,30 +243,16 @@ def _list_from_options_callback(option, opt_str, value, parser, append=True, del current + value if append is True else value + current) def _set_from_options_callback( - option, opt_str, value, parser, delim=',', allowed_values=None, aliases={}, + option, opt_str, value, parser, allowed_values, delim=',', aliases={}, process=lambda x: x.lower().strip()): - current = set(getattr(parser.values, option.dest)) - values = [process(value)] if delim is None else list(map(process, value.split(delim)[::-1])) - while values: - actual_val = val = values.pop() - if not val: - raise optparse.OptionValueError(f'Invalid {option.metavar} for {opt_str}: {value}') - if val == 'all': - current.update(allowed_values) - elif val == '-all': - current = set() - elif val in aliases: - values.extend(aliases[val]) - else: - if val[0] == '-': - val = val[1:] - current.discard(val) - else: - current.update([val]) - if allowed_values is not None and val not in allowed_values: - raise optparse.OptionValueError(f'wrong {option.metavar} for {opt_str}: {actual_val}') + values = [process(value)] if delim is None else map(process, value.split(delim)) + try: + requested = orderedSet_from_options(values, collections.ChainMap(aliases, {'all': allowed_values}), + start=getattr(parser.values, option.dest)) + except ValueError as e: + raise optparse.OptionValueError(f'wrong {option.metavar} for {opt_str}: {e.args[0]}') - setattr(parser.values, option.dest, current) + setattr(parser.values, option.dest, set(requested)) def _dict_from_options_callback( option, opt_str, value, parser, @@ -269,6 +284,20 @@ def _dict_from_options_callback( out_dict[key] = out_dict.get(key, []) + [val] if append else val setattr(parser.values, option.dest, out_dict) + def when_prefix(default): + return { + 'default': {}, + 'type': 'str', + 'action': 'callback', + 'callback': _dict_from_options_callback, + 'callback_kwargs': { + 'allowed_keys': '|'.join(map(re.escape, POSTPROCESS_WHEN)), + 'default_key': default, + 'multiple_keys': False, + 'append': True, + }, + } + parser = _YoutubeDLOptionParser() alias_group = optparse.OptionGroup(parser, 'Aliases') Formatter = string.Formatter() @@ -286,10 +315,10 @@ def _create_alias(option, opt_str, value, parser): aliases = (x if x.startswith('-') else f'--{x}' for x in map(str.strip, aliases.split(','))) try: + args = [f'ARG{i}' for i in range(nargs)] 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', + *aliases, nargs=nargs, dest=parser.ALIAS_DEST, type='str' if nargs else None, + metavar=' '.join(args), help=opts.format(*args), action='callback', callback=_alias_callback, callback_kwargs={'opts': opts, 'nargs': nargs}) except Exception as err: raise optparse.OptionValueError(f'wrong {opt_str} formatting; {err}') @@ -316,11 +345,13 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): general.add_option( '-U', '--update', action='store_true', dest='update_self', - help='Update this program to latest version') + help=format_field( + is_non_updateable(), None, 'Check if updates are available. %s', + default='Update this program to the latest version')) general.add_option( '--no-update', action='store_false', dest='update_self', - help='Do not update (default)') + help='Do not check for updates (default)') general.add_option( '-i', '--ignore-errors', action='store_true', dest='ignoreerrors', @@ -345,16 +376,26 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): '--extractor-descriptions', action='store_true', dest='list_extractor_descriptions', default=False, help='Output descriptions of all supported extractors and exit') + general.add_option( + '--use-extractors', '--ies', + action='callback', dest='allowed_extractors', metavar='NAMES', type='str', + default=[], callback=_list_from_options_callback, + help=( + 'Extractor names to use separated by commas. ' + 'You can also use regexes, "all", "default" and "end" (end URL matching); ' + 'e.g. --ies "holodex.*,end,youtube". ' + 'Prefix the name with a "-" to exclude it, e.g. --ies default,-generic. ' + 'Use --list-extractors for a list of extractor names. (Alias: --ies)')) general.add_option( '--force-generic-extractor', action='store_true', dest='force_generic_extractor', default=False, - help='Force extraction to use the generic extractor') + help=optparse.SUPPRESS_HELP) general.add_option( '--default-search', dest='default_search', metavar='PREFIX', help=( 'Use this prefix for unqualified URLs. ' - 'Eg: "gvsearch2:python" downloads two videos from google videos for the search term "python". ' + 'E.g. "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')) @@ -412,9 +453,9 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 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', @@ -423,11 +464,14 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 'allowed_values': { 'filename', 'filename-sanitization', 'format-sort', 'abort-on-error', 'format-spec', 'no-playlist-metafiles', 'multistreams', 'no-live-chat', 'playlist-index', 'list-formats', 'no-direct-merge', - 'no-youtube-channel-redirect', 'no-youtube-unavailable-videos', 'no-attach-info-json', 'embed-metadata', - 'embed-thumbnail-atomicparsley', 'seperate-video-versions', 'no-clean-infojson', 'no-keep-subs', 'no-certifi', + 'no-attach-info-json', 'embed-thumbnail-atomicparsley', 'no-external-downloader-progress', + 'embed-metadata', 'seperate-video-versions', 'no-clean-infojson', 'no-keep-subs', 'no-certifi', + 'no-youtube-channel-redirect', 'no-youtube-unavailable-videos', 'no-youtube-prefer-utc-upload-date', }, 'aliases': { - 'youtube-dl': ['-multistreams', 'all'], - 'youtube-dlc': ['-no-youtube-channel-redirect', '-no-live-chat', 'all'], + 'youtube-dl': ['all', '-multistreams'], + 'youtube-dlc': ['all', '-no-youtube-channel-redirect', '-no-live-chat'], + '2021': ['2022', 'no-certifi', 'filename-sanitization', 'no-youtube-prefer-utc-upload-date'], + '2022': ['no-external-downloader-progress'], } }, help=( 'Options that can help keep compatibility with youtube-dl or youtube-dlc ' @@ -439,10 +483,10 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 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 ' + 'E.g. --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 carefull to avoid defining recursive options. ' + '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')) @@ -451,8 +495,8 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): '--proxy', dest='proxy', default=None, metavar='URL', help=( - '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')) + 'Use the specified HTTP/HTTPS/SOCKS proxy. To enable SOCKS proxy, specify a proper scheme, ' + 'e.g. 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', @@ -514,10 +558,10 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): '-I', '--playlist-items', dest='playlist_items', metavar='ITEM_SPEC', default=None, help=( - 'Comma seperated playlist_index of the videos to download. ' + 'Comma separated playlist_index of the items 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')) + 'E.g. "-I 1:3,7,-5::2" used on a playlist of size 15 will download the items at index 1,2,3,7,11,13,15')) selection.add_option( '--match-title', dest='matchtitle', metavar='REGEX', @@ -529,17 +573,17 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): selection.add_option( '--min-filesize', metavar='SIZE', dest='min_filesize', default=None, - help='Do not download any videos smaller than SIZE (e.g. 50k or 44.6m)') + help='Abort download if filesize is smaller than SIZE, e.g. 50k or 44.6M') selection.add_option( '--max-filesize', metavar='SIZE', dest='max_filesize', default=None, - help='Do not download any videos larger than SIZE (e.g. 50k or 44.6m)') + help='Abort download if filesize is larger than SIZE, e.g. 50k or 44.6M') selection.add_option( '--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|yesterday][-N[day|week|month|year]]. Eg: --date today-2weeks')) + '[now|today|yesterday][-N[day|week|month|year]]. E.g. --date today-2weeks')) selection.add_option( '--datebefore', metavar='DATE', dest='datebefore', default=None, @@ -565,11 +609,11 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): metavar='FILTER', dest='match_filter', action='append', help=( 'Generic video filter. Any "OUTPUT TEMPLATE" field can be compared with a ' - 'number or a string using the operators defined in "Filtering formats". ' + '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, ' - 'the filter matches if atleast one of the conditions are met. Eg: --match-filter ' + 'the filter matches if atleast one of the conditions are met. E.g. --match-filter ' '!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 ' @@ -614,7 +658,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): selection.add_option( '--break-per-input', action='store_true', dest='break_per_url', default=False, - help='Make --break-on-existing, --break-on-reject and --max-downloads act only on the current input URL') + help='Alters --max-downloads, --break-on-existing, --break-on-reject, and autonumber to reset per input URL') selection.add_option( '--no-break-per-input', action='store_false', dest='break_per_url', @@ -765,9 +809,9 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): '--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')) + 'Containers that may be used when merging formats, separated by "/", e.g. "mp4/mkv". ' + '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, @@ -805,14 +849,14 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): subtitles.add_option( '--sub-format', action='store', dest='subtitlesformat', metavar='FORMAT', default='best', - help='Subtitle format; accepts formats preference, Eg: "srt" or "ass/srt/best"') + help='Subtitle format; accepts formats preference, e.g. "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 exclude it from the requested languages. (Eg: --sub-langs all,-live_chat) ' + 'Languages of the subtitles to download (can be regex) or "all" separated by commas, e.g. --sub-langs "en.*,ja". ' + 'You can prefix the language code with a "-" to exclude it from the requested languages, e.g. --sub-langs all,-live_chat. ' 'Use --list-subs for a list of available language tags')) downloader = optparse.OptionGroup(parser, 'Download Options') @@ -823,11 +867,11 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): downloader.add_option( '-r', '--limit-rate', '--rate-limit', dest='ratelimit', metavar='RATE', - help='Maximum download rate in bytes per second (e.g. 50K or 4.2M)') + help='Maximum download rate in bytes per second, e.g. 50K or 4.2M') downloader.add_option( '--throttled-rate', dest='throttledratelimit', metavar='RATE', - help='Minimum download rate in bytes per second below which throttling is assumed and the video data is re-extracted (e.g. 100K)') + help='Minimum download rate in bytes per second below which throttling is assumed and the video data is re-extracted, e.g. 100K') downloader.add_option( '-R', '--retries', dest='retries', metavar='RETRIES', default=10, @@ -845,14 +889,14 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): dest='retry_sleep', metavar='[TYPE:]EXPR', default={}, type='str', action='callback', callback=_dict_from_options_callback, callback_kwargs={ - 'allowed_keys': 'http|fragment|file_access', + 'allowed_keys': 'http|fragment|file_access|extractor', '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. ' + 'Time to sleep between retries in seconds (optionally) prefixed by the type of retry ' + '(http (default), fragment, file_access, extractor) 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')) + 'This option can be used multiple times to set the sleep for the different retry types, ' + 'e.g. --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, @@ -872,7 +916,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): downloader.add_option( '--buffer-size', dest='buffersize', metavar='SIZE', default='1024', - help='Size of download buffer (e.g. 1024 or 16K) (default is %default)') + help='Size of download buffer, e.g. 1024 or 16K (default is %default)') downloader.add_option( '--resize-buffer', action='store_false', dest='noresizebuffer', @@ -885,7 +929,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): '--http-chunk-size', dest='http_chunk_size', metavar='SIZE', default=None, help=( - 'Size of a chunk for chunk-based HTTP downloading (e.g. 10485760 or 10M) (default is disabled). ' + 'Size of a chunk for chunk-based HTTP downloading, e.g. 10485760 or 10M (default is disabled). ' 'May be useful for bypassing bandwidth throttling imposed by a webserver (experimental)')) downloader.add_option( '--test', @@ -943,8 +987,8 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 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')) + 'Needs ffmpeg. This option can be used multiple times to download multiple sections, ' + 'e.g. --download-sections "*10:15-inf" --download-sections "intro"')) downloader.add_option( '--downloader', '--external-downloader', dest='external_downloader', metavar='[PROTO:]NAME', default={}, type='str', @@ -956,9 +1000,9 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): }, 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. ' - f'Currently supports native, {", ".join(list_external_downloaders())}. ' + 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 ' + 'E.g. --downloader aria2c --downloader "dash,m3u8:native" will use ' 'aria2c for http/ftp downloads, and the native downloader for dash/m3u8 downloads ' '(Alias: --external-downloader)')) downloader.add_option( @@ -1065,28 +1109,16 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): help='Do not download the video but write all related files (Alias: --no-download)') verbosity.add_option( '-O', '--print', - metavar='[WHEN:]TEMPLATE', dest='forceprint', default={}, type='str', - action='callback', callback=_dict_from_options_callback, - callback_kwargs={ - 'allowed_keys': 'video|' + '|'.join(map(re.escape, POSTPROCESS_WHEN)), - 'default_key': 'video', - 'multiple_keys': False, - 'append': True, - }, help=( + metavar='[WHEN:]TEMPLATE', dest='forceprint', **when_prefix('video'), + 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). ' + 'Supported values of "WHEN" are the same as that of --use-postprocessor (default: video). ' '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, - action='callback', callback=_dict_from_options_callback, - callback_kwargs={ - 'allowed_keys': 'video|' + '|'.join(map(re.escape, POSTPROCESS_WHEN)), - 'default_key': 'video', - 'multiple_keys': False, - 'append': True, - }, help=( + metavar='[WHEN:]TEMPLATE FILE', dest='print_to_file', nargs=2, **when_prefix('video'), + help=( 'Append given template to the file. The values of WHEN and TEMPLATE are same as that of --print. ' 'FILE uses the same syntax as the output template. This option can be used multiple times')) verbosity.add_option( @@ -1168,7 +1200,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 'Template for progress outputs, optionally prefixed with one of "download:" (default), ' '"download-title:" (the console title), "postprocess:", or "postprocess-title:". ' 'The video\'s fields are accessible under the "info" key and ' - 'the progress attributes are accessible under "progress" key. E.g.: ' + 'the progress attributes are accessible under "progress" key. E.g. ' # TODO: Document the fields inside "progress" '--console-title --progress-template "download-title:%(info.id)s-%(progress.eta)s"')) verbosity.add_option( @@ -1381,14 +1413,15 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): help='Do not read/dump cookies from/to file (default)') filesystem.add_option( '--cookies-from-browser', - dest='cookiesfrombrowser', metavar='BROWSER[+KEYRING][:PROFILE]', + dest='cookiesfrombrowser', metavar='BROWSER[+KEYRING][:PROFILE][::CONTAINER]', help=( - 'The name of the browser and (optionally) the name/path of ' - 'the profile to load cookies from, separated by a ":". ' + 'The name of the browser to load cookies from. ' f'Currently supported browsers are: {", ".join(sorted(SUPPORTED_BROWSERS))}. ' - 'By default, the most recently accessed profile is used. ' - 'The keyring used for decrypting Chromium cookies on Linux can be ' - '(optionally) specified after the browser name separated by a "+". ' + 'Optionally, the KEYRING used for decrypting Chromium cookies on Linux, ' + 'the name/path of the PROFILE to load cookies from, ' + 'and the CONTAINER name (if Firefox) ("none" for no container) ' + 'can be given with their respective seperators. ' + 'By default, all containers of the most recently accessed profile are used. ' f'Currently supported keyrings are: {", ".join(map(str.lower, sorted(SUPPORTED_KEYRINGS)))}')) filesystem.add_option( '--no-cookies-from-browser', @@ -1396,7 +1429,9 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): help='Do not load cookies from browser (default)') filesystem.add_option( '--cache-dir', dest='cachedir', default=None, metavar='DIR', - help='Location in the filesystem where youtube-dl can store some downloaded information (such as client ids and signatures) permanently. By default $XDG_CACHE_HOME/yt-dlp or ~/.cache/yt-dlp') + help=( + 'Location in the filesystem where yt-dlp can store some downloaded information ' + '(such as client ids and signatures) permanently. By default ${XDG_CACHE_HOME}/yt-dlp')) filesystem.add_option( '--no-cache-dir', action='store_false', dest='cachedir', help='Disable filesystem caching') @@ -1453,7 +1488,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): '--audio-format', metavar='FORMAT', dest='audioformat', default='best', help=( 'Format to convert the audio to when -x is used. ' - f'(currently supported: best (default), {", ".join(FFmpegExtractAudioPP.SUPPORTED_EXTS)}). ' + 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', @@ -1468,7 +1503,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): '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')) + 'e.g. "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, @@ -1493,7 +1528,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 'You can also specify "PP+EXE:ARGS" to give the arguments to the specified executable ' 'only when being used by the specified postprocessor. Additionally, for ffmpeg/ffprobe, ' '"_i"/"_o" can be appended to the prefix optionally followed by a number to pass the argument ' - 'before the specified input/output file. Eg: --ppa "Merger+ffmpeg_i1:-v quiet". ' + 'before the specified input/output file, e.g. --ppa "Merger+ffmpeg_i1:-v quiet". ' 'You can use this option multiple times to give different arguments to different ' 'postprocessors. (Alias: --ppa)')) postproc.add_option( @@ -1560,14 +1595,16 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): help=optparse.SUPPRESS_HELP) postproc.add_option( '--parse-metadata', - metavar='FROM:TO', dest='parse_metadata', action='append', + metavar='[WHEN:]FROM:TO', dest='parse_metadata', **when_prefix('pre_process'), help=( - 'Parse additional metadata like title/artist from other fields; ' - 'see "MODIFYING METADATA" for details')) + 'Parse additional metadata like title/artist from other fields; see "MODIFYING METADATA" for details. ' + 'Supported values of "WHEN" are the same as that of --use-postprocessor (default: pre_process)')) postproc.add_option( '--replace-in-metadata', - 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') + dest='parse_metadata', metavar='[WHEN:]FIELDS REGEX REPLACE', nargs=3, **when_prefix('pre_process'), + help=( + 'Replace text in a metadata field using the given regex. This option can be used multiple times. ' + 'Supported values of "WHEN" are the same as that of --use-postprocessor (default: pre_process)')) postproc.add_option( '--xattrs', '--xattr', action='store_true', dest='xattrs', default=False, @@ -1605,16 +1642,10 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): help='Location of the ffmpeg binary; either the path to the binary or its containing directory') postproc.add_option( '--exec', - metavar='[WHEN:]CMD', dest='exec_cmd', default={}, type='str', - action='callback', callback=_dict_from_options_callback, - callback_kwargs={ - 'allowed_keys': '|'.join(map(re.escape, POSTPROCESS_WHEN)), - 'default_key': 'after_move', - 'multiple_keys': False, - 'append': True, - }, help=( - 'Execute a command, optionally prefixed with when to execute it (after_move if unspecified), separated by a ":". ' - 'Supported values of "WHEN" are the same as that of --use-postprocessor. ' + metavar='[WHEN:]CMD', dest='exec_cmd', **when_prefix('after_move'), + help=( + 'Execute a command, optionally prefixed with when to execute it, separated by a ":". ' + 'Supported values of "WHEN" are the same as that of --use-postprocessor (default: after_move). ' 'Same syntax as the output template can be used to pass any field as arguments to the command. ' 'After download, an additional field "filepath" that contains the final path of the downloaded file ' 'is also available, and if no fields are passed, %(filepath)q is appended to the end of the command. ' @@ -1636,13 +1667,13 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 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 ' - f'(currently supported: {", ".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', @@ -1690,7 +1721,8 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 'ARGS are a semicolon ";" delimited list of NAME=VALUE. ' 'The "when" argument determines when the postprocessor is invoked. ' 'It can be one of "pre_process" (after video extraction), "after_filter" (after video passes filter), ' - '"before_dl" (before each video download), "post_process" (after each video download; default), ' + '"video" (after --format; before --print/--output), "before_dl" (before each video download), ' + '"post_process" (after each video download; default), ' '"after_move" (after moving video file to it\'s final locations), ' '"after_video" (after downloading and processing all formats of a video), ' 'or "playlist" (at end of playlist). ' @@ -1709,12 +1741,12 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 'SponsorBlock categories to create chapters for, separated by commas. ' 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')) + 'E.g. --sponsorblock-mark all,-preview [1] https://wiki.sponsor.ajay.app/w/Segment_Categories')) sponsorblock.add_option( '--sponsorblock-remove', metavar='CATS', dest='sponsorblock_remove', default=set(), action='callback', type='str', callback=_set_from_options_callback, callback_kwargs={ - 'allowed_values': set(SponsorBlockPP.CATEGORIES.keys()) - set(SponsorBlockPP.POI_CATEGORIES.keys()), + 'allowed_values': set(SponsorBlockPP.CATEGORIES.keys()) - set(SponsorBlockPP.NON_SKIPPABLE_CATEGORIES.keys()), # Note: From https://wiki.sponsor.ajay.app/w/Types: # The filler category is very aggressive. # It is strongly recommended to not use this in a client by default. @@ -1724,7 +1756,7 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): 'If a category is present in both mark and remove, remove takes precedence. ' 'The syntax and available categories are the same as for --sponsorblock-mark ' 'except that "default" refers to "all,-filler" ' - f'and {", ".join(SponsorBlockPP.POI_CATEGORIES.keys())} is not available')) + f'and {", ".join(SponsorBlockPP.NON_SKIPPABLE_CATEGORIES.keys())} are not available')) sponsorblock.add_option( '--sponsorblock-chapter-title', metavar='TEMPLATE', default=DEFAULT_SPONSORBLOCK_CHAPTER_TITLE, dest='sponsorblock_chapter_title', @@ -1799,14 +1831,14 @@ def _alias_callback(option, opt_str, value, parser, opts, nargs): val.replace(r'\,', ',').strip() for val in re.split(r'(?