general.add_option(
'--dump-user-agent',
action='store_true', dest='dump_user_agent', default=False,
- help='Display the current browser identification')
+ help='Display the current browser identification and exit')
general.add_option(
'--list-extractors',
action='store_true', dest='list_extractors', default=False,
- help='List all supported extractors')
+ help='List all supported extractors and exit')
general.add_option(
'--extractor-descriptions',
action='store_true', dest='list_extractor_descriptions', default=False,
- help='Output descriptions of all supported extractors')
+ help='Output descriptions of all supported extractors and exit')
general.add_option(
'--force-generic-extractor',
action='store_true', dest='force_generic_extractor', default=False,
'--match-filter',
metavar='FILTER', dest='match_filter', default=None,
help=(
- 'Generic video filter. '
- 'Specify any key (see "OUTPUT TEMPLATE" for a list of available keys) to '
- 'match if the key is present, '
- '!key to check if the key is not present, '
- 'key>NUMBER (like "view_count > 12", also works with '
- '>=, <, <=, !=, =) to compare against a number, '
- 'key = \'LITERAL\' (like "uploader = \'Mike Smith\'", also works with !=) '
- 'to match against a string literal '
- 'and & to require multiple matches. '
- 'Values which are not known are excluded unless you '
- 'put a question mark (?) after the operator. '
- 'For example, to only match videos that have been liked more than '
- '100 times and disliked less than 50 times (or the dislike '
- 'functionality is not available at the given service), but who '
- 'also have a description, use --match-filter '
- '"like_count > 100 & dislike_count <? 50 & description"'))
+ 'Generic video filter. Any field (see "OUTPUT TEMPLATE") 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 '
+ 'and "!field" to check if the field is not present. In addition, '
+ 'Python style regular expression matching can be done using "~=", '
+ 'and multiple filters can be checked with "&". '
+ 'Use a "\\" to escape "&" or quotes if needed. Eg: --match-filter '
+ r'"!is_live & like_count>?100 & description~=\'(?i)\bcats \& dogs\b\'" '
+ 'matches only videos that are not live, has 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)'))
selection.add_option(
'--no-match-filter',
metavar='FILTER', dest='match_filter', action='store_const', const=None,
video_format.add_option(
'-F', '--list-formats',
action='store_true', dest='listformats',
- help='List all available formats of requested videos')
+ help='List available formats of each video. Simulate unless --no-simulate is used')
video_format.add_option(
'--list-formats-as-table',
action='store_true', dest='listformats_table', default=True,
subtitles.add_option(
'--list-subs',
action='store_true', dest='listsubtitles', default=False,
- help='List all available subtitles for the video')
+ help='List available subtitles of each video. Simulate unless --no-simulate is used')
subtitles.add_option(
'--sub-format',
action='store', dest='subtitlesformat', metavar='FORMAT', default='best',
help='Ignore warnings')
verbosity.add_option(
'-s', '--simulate',
- action='store_true', dest='simulate', default=False,
+ action='store_true', dest='simulate', default=None,
help='Do not download the video and do not write anything to disk')
+ verbosity.add_option(
+ '--no-simulate',
+ action='store_false', dest='simulate',
+ help='Download the video even if printing/listing options are used')
verbosity.add_option(
'--ignore-no-formats-error',
action='store_true', dest='ignore_no_formats_error', default=False,
action='callback', dest='forceprint', type='str', default=[],
callback=_list_from_options_callback, callback_kwargs={'delim': None},
help=(
- 'Simulate, quiet but print the given fields. Either a field name '
- 'or similar formatting as the output template can be used'))
+ 'Quiet, but print the given fields for each video. Simulate unless --no-simulate is used. '
+ 'Either a field name or same syntax as the output template can be used'))
verbosity.add_option(
'-g', '--get-url',
action='store_true', dest='geturl', default=False,
verbosity.add_option(
'-j', '--dump-json',
action='store_true', dest='dumpjson', default=False,
- help='Simulate, quiet but print JSON information. See "OUTPUT TEMPLATE" for a description of available keys')
+ help='Quiet, but print JSON information for each video. Simulate unless --no-simulate is used. See "OUTPUT TEMPLATE" for a description of available keys')
verbosity.add_option(
'-J', '--dump-single-json',
action='store_true', dest='dump_single_json', default=False,
help=(
- 'Simulate, quiet but print JSON information for each command-line argument. '
- 'If the URL refers to a playlist, dump the whole playlist information in a single line'))
+ 'Quiet, but print JSON information for each url or infojson passed. Simulate unless --no-simulate is used. '
+ 'If the URL refers to a playlist, the whole playlist information is dumped in a single line'))
verbosity.add_option(
'--print-json',
action='store_true', dest='print_json', default=False,
- help='Be quiet and print the video information as JSON (video is still being downloaded)')
+ help=optparse.SUPPRESS_HELP)
verbosity.add_option(
'--force-write-archive', '--force-write-download-archive', '--force-download-archive',
action='store_true', dest='force_write_download_archive', default=False,
thumbnail.add_option(
'--list-thumbnails',
action='store_true', dest='list_thumbnails', default=False,
- help='Simulate and list all available thumbnail formats')
+ help='List available thumbnails of each video. Simulate unless --no-simulate is used')
link = optparse.OptionGroup(parser, 'Internet Shortcut Options')
link.add_option(
'--no-hls-split-discontinuity',
dest='hls_split_discontinuity', action='store_false',
help='Do not split HLS playlists to different formats at discontinuities such as ad breaks (default)')
- _extractor_arg_parser = lambda key, vals='': (key.strip().lower(), [val.strip() for val in vals.split(',')])
+ _extractor_arg_parser = lambda key, vals='': (key.strip().lower().replace('-', '_'), [val.strip() for val in vals.split(',')])
extractor.add_option(
'--extractor-args',
metavar='KEY:ARGS', dest='extractor_args', default={}, type='str',
projects / yt-dlp.git / blobdiff