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Add --preset-alias option (#12839)

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Authored by: seproDev, Grub4K

Co-authored-by: Simon Sawicki <contact@grub4k.xyz>
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sepro 2025-04-19 22:08:34 +02:00 committed by GitHub
parent f5a37ea40e
commit 88eb1e7a9a
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1 changed files with 41 additions and 0 deletions
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yt_dlp/options.py
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@ -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(