diff options
| -rw-r--r-- | yt_dlp/options.py | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/yt_dlp/options.py b/yt_dlp/options.py index 1742cbdfa..76d401cea 100644 --- a/yt_dlp/options.py +++ b/yt_dlp/options.py @@ -150,6 +150,15 @@ class _YoutubeDLHelpFormatter(optparse.IndentedHelpFormatter): return opts +_PRESET_ALIASES = { + 'mp3': ['-f', 'ba[acodec^=mp3]/ba/b', '-x', '--audio-format', 'mp3'], + 'aac': ['-f', 'ba[acodec^=aac]/ba[acodec^=mp4a.40.]/ba/b', '-x', '--audio-format', 'aac'], + 'mp4': ['--merge-output-format', 'mp4', '--remux-video', 'mp4', '-S', 'vcodec:h264,lang,quality,res,fps,hdr:12,acodec:aac'], + 'mkv': ['--merge-output-format', 'mkv', '--remux-video', 'mkv'], + 'sleep': ['--sleep-subtitles', '5', '--sleep-requests', '0.75', '--sleep-interval', '10', '--max-sleep-interval', '20'], +} + + class _YoutubeDLOptionParser(optparse.OptionParser): # optparse is deprecated since Python 3.2. So assume a stable interface even for private methods ALIAS_DEST = '_triggered_aliases' @@ -215,6 +224,22 @@ class _YoutubeDLOptionParser(optparse.OptionParser): return e.possibilities[0] raise + def format_option_help(self, formatter=None): + assert formatter, 'Formatter can not be None' + formatted_help = super().format_option_help(formatter=formatter) + formatter.indent() + heading = formatter.format_heading('Preset Aliases') + formatter.indent() + result = [] + for name, args in _PRESET_ALIASES.items(): + option = optparse.Option('-t', help=shlex.join(args)) + formatter.option_strings[option] = f'-t {name}' + result.append(formatter.format_option(option)) + formatter.dedent() + formatter.dedent() + help_lines = '\n'.join(result) + return f'{formatted_help}\n{heading}{help_lines}' + def create_parser(): def _list_from_options_callback(option, opt_str, value, parser, append=True, delim=',', process=str.strip): @@ -317,6 +342,13 @@ def create_parser(): parser.rargs[:0] = shlex.split( opts if value is None else opts.format(*map(shlex.quote, value))) + def _preset_alias_callback(option, opt_str, value, parser): + if not value: + return + if value not in _PRESET_ALIASES: + raise optparse.OptionValueError(f'Unknown preset alias: {value}') + parser.rargs[:0] = _PRESET_ALIASES[value] + general = optparse.OptionGroup(parser, 'General Options') general.add_option( '-h', '--help', dest='print_help', action='store_true', @@ -519,6 +551,15 @@ def create_parser(): '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')) + general.add_option( + '-t', '--preset-alias', + metavar='PRESET', dest='_', type='str', + action='callback', callback=_preset_alias_callback, + help=( + 'Applies a predefined set of options. e.g. --preset-alias mp3. ' + f'The following presets are available: {", ".join(_PRESET_ALIASES)}. ' + 'See the "Preset Aliases" section at the end for more info. ' + 'This option can be used multiple times')) network = optparse.OptionGroup(parser, 'Network Options') network.add_option( |