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[options] Add _set_from_options_callback

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pukkandan
2021-08-15 00:24:53 +05:30
parent 86c66b2d3e
commit 31654882e9
3 changed files with 41 additions and 34 deletions
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43
yt_dlp/options.py
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@@ -122,6 +122,30 @@ def parseOpts(overrideArguments=None):
parser.values, option.dest,
current + value if append is True else value + current)
def _set_from_options_callback(
option, opt_str, value, parser,
delim=',', allowed_values=None, process=str.lower, aliases={}):
current = getattr(parser.values, option.dest)
values = [process(value)] if delim is None else process(value).split(delim)[::-1]
while values:
actual_val = val = values.pop()
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}')
setattr(parser.values, option.dest, current)
def _dict_from_options_callback(
option, opt_str, value, parser,
allowed_keys=r'[\w-]+', delimiter=':', default_key=None, process=None, multiple_keys=True):
@@ -241,10 +265,21 @@ def parseOpts(overrideArguments=None):
help='Do not emit color codes in output')
general.add_option(
'--compat-options',
metavar='OPTS', dest='compat_opts', default=[],
action='callback', callback=_list_from_options_callback, type='str',
help=(
'Options that can help keep compatibility with youtube-dl and youtube-dlc '
metavar='OPTS', dest='compat_opts', default=set(), type='str',
action='callback', callback=_set_from_options_callback,
callback_kwargs={
'allowed_values': {
'filename', '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-thumbnail-atomicparsley', 'seperate-video-versions', 'no-clean-infojson', 'no-keep-subs',
},
'aliases': {
'youtube-dl': ['-multistreams', 'all'],
'youtube-dlc': ['-no-youtube-channel-redirect', '-no-live-chat', 'all'],
}
}, help=(
'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'))