Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/options.py

   1 from __future__ import unicode_literals
   2
   3 import os.path
   4 import optparse
   5 import shlex
   6 import sys
   7
   8 from .downloader.external import list_external_downloaders
   9 from .compat import (
  10     compat_expanduser,
  11     compat_get_terminal_size,
  12     compat_getenv,
  13     compat_kwargs,
  14 )
  15 from .utils import (
  16     preferredencoding,
  17     write_string,
  18 )
  19 from .version import __version__
  20
  21
  22 def parseOpts(overrideArguments=None):
  23     def _readOptions(filename_bytes, default=[]):
  24         try:
  25             optionf = open(filename_bytes)
  26         except IOError:
  27             return default  # silently skip if file is not present
  28         try:
  29             res = []
  30             for l in optionf:
  31                 res += shlex.split(l, comments=True)
  32         finally:
  33             optionf.close()
  34         return res
  35
  36     def _readUserConf():
  37         xdg_config_home = compat_getenv('XDG_CONFIG_HOME')
  38         if xdg_config_home:
  39             userConfFile = os.path.join(xdg_config_home, 'youtube-dl', 'config')
  40             if not os.path.isfile(userConfFile):
  41                 userConfFile = os.path.join(xdg_config_home, 'youtube-dl.conf')
  42         else:
  43             userConfFile = os.path.join(compat_expanduser('~'), '.config', 'youtube-dl', 'config')
  44             if not os.path.isfile(userConfFile):
  45                 userConfFile = os.path.join(compat_expanduser('~'), '.config', 'youtube-dl.conf')
  46         userConf = _readOptions(userConfFile, None)
  47
  48         if userConf is None:
  49             appdata_dir = compat_getenv('appdata')
  50             if appdata_dir:
  51                 userConf = _readOptions(
  52                     os.path.join(appdata_dir, 'youtube-dl', 'config'),
  53                     default=None)
  54                 if userConf is None:
  55                     userConf = _readOptions(
  56                         os.path.join(appdata_dir, 'youtube-dl', 'config.txt'),
  57                         default=None)
  58
  59         if userConf is None:
  60             userConf = _readOptions(
  61                 os.path.join(compat_expanduser('~'), 'youtube-dl.conf'),
  62                 default=None)
  63         if userConf is None:
  64             userConf = _readOptions(
  65                 os.path.join(compat_expanduser('~'), 'youtube-dl.conf.txt'),
  66                 default=None)
  67
  68         if userConf is None:
  69             userConf = []
  70
  71         return userConf
  72
  73     def _format_option_string(option):
  74         ''' ('-o', '--option') -> -o, --format METAVAR'''
  75
  76         opts = []
  77
  78         if option._short_opts:
  79             opts.append(option._short_opts[0])
  80         if option._long_opts:
  81             opts.append(option._long_opts[0])
  82         if len(opts) > 1:
  83             opts.insert(1, ', ')
  84
  85         if option.takes_value():
  86             opts.append(' %s' % option.metavar)
  87
  88         return "".join(opts)
  89
  90     def _comma_separated_values_options_callback(option, opt_str, value, parser):
  91         setattr(parser.values, option.dest, value.split(','))
  92
  93     def _hide_login_info(opts):
  94         opts = list(opts)
  95         for private_opt in ['-p', '--password', '-u', '--username', '--video-password']:
  96             try:
  97                 i = opts.index(private_opt)
  98                 opts[i + 1] = 'PRIVATE'
  99             except ValueError:
 100                 pass
 101         return opts
 102
 103     # No need to wrap help messages if we're on a wide console
 104     columns = compat_get_terminal_size().columns
 105     max_width = columns if columns else 80
 106     max_help_position = 80
 107
 108     fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
 109     fmt.format_option_strings = _format_option_string
 110
 111     kw = {
 112         'version': __version__,
 113         'formatter': fmt,
 114         'usage': '%prog [OPTIONS] URL [URL...]',
 115         'conflict_handler': 'resolve',
 116     }
 117
 118     parser = optparse.OptionParser(**compat_kwargs(kw))
 119
 120     general = optparse.OptionGroup(parser, 'General Options')
 121     general.add_option(
 122         '-h', '--help',
 123         action='help',
 124         help='Print this help text and exit')
 125     general.add_option(
 126         '-v', '--version',
 127         action='version',
 128         help='Print program version and exit')
 129     general.add_option(
 130         '-U', '--update',
 131         action='store_true', dest='update_self',
 132         help='Update this program to latest version. Make sure that you have sufficient permissions (run with sudo if needed)')
 133     general.add_option(
 134         '-i', '--ignore-errors',
 135         action='store_true', dest='ignoreerrors', default=False,
 136         help='Continue on download errors, for example to skip unavailable videos in a playlist')
 137     general.add_option(
 138         '--abort-on-error',
 139         action='store_false', dest='ignoreerrors',
 140         help='Abort downloading of further videos (in the playlist or the command line) if an error occurs')
 141     general.add_option(
 142         '--dump-user-agent',
 143         action='store_true', dest='dump_user_agent', default=False,
 144         help='Display the current browser identification')
 145     general.add_option(
 146         '--list-extractors',
 147         action='store_true', dest='list_extractors', default=False,
 148         help='List all supported extractors and the URLs they would handle')
 149     general.add_option(
 150         '--extractor-descriptions',
 151         action='store_true', dest='list_extractor_descriptions', default=False,
 152         help='Output descriptions of all supported extractors')
 153     general.add_option(
 154         '--default-search',
 155         dest='default_search', metavar='PREFIX',
 156         help='Use this prefix for unqualified URLs. For example "gvsearch2:" downloads two videos from google videos for youtube-dl "large apple". Use the value "auto" to let youtube-dl 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.')
 157     general.add_option(
 158         '--ignore-config',
 159         action='store_true',
 160         help='Do not read configuration files. '
 161         'When given in the global configuration file /etc/youtube-dl.conf: '
 162         'Do not read the user configuration in ~/.config/youtube-dl/config '
 163         '(%APPDATA%/youtube-dl/config.txt on Windows)')
 164     general.add_option(
 165         '--flat-playlist',
 166         action='store_const', dest='extract_flat', const='in_playlist',
 167         default=False,
 168         help='Do not extract the videos of a playlist, only list them.')
 169     general.add_option(
 170         '--no-color', '--no-colors',
 171         action='store_true', dest='no_color',
 172         default=False,
 173         help='Do not emit color codes in output')
 174
 175     network = optparse.OptionGroup(parser, 'Network Options')
 176     network.add_option(
 177         '--proxy', dest='proxy',
 178         default=None, metavar='URL',
 179         help='Use the specified HTTP/HTTPS proxy. Pass in an empty string (--proxy "") for direct connection')
 180     network.add_option(
 181         '--socket-timeout',
 182         dest='socket_timeout', type=float, default=None, metavar='SECONDS',
 183         help='Time to wait before giving up, in seconds')
 184     network.add_option(
 185         '--source-address',
 186         metavar='IP', dest='source_address', default=None,
 187         help='Client-side IP address to bind to (experimental)',
 188     )
 189     network.add_option(
 190         '-4', '--force-ipv4',
 191         action='store_const', const='0.0.0.0', dest='source_address',
 192         help='Make all connections via IPv4 (experimental)',
 193     )
 194     network.add_option(
 195         '-6', '--force-ipv6',
 196         action='store_const', const='::', dest='source_address',
 197         help='Make all connections via IPv6 (experimental)',
 198     )
 199     network.add_option(
 200         '--cn-verification-proxy',
 201         dest='cn_verification_proxy', default=None, metavar='URL',
 202         help='Use this proxy to verify the IP address for some Chinese sites. '
 203         'The default proxy specified by --proxy (or none, if the options is not present) is used for the actual downloading. (experimental)'
 204     )
 205
 206     selection = optparse.OptionGroup(parser, 'Video Selection')
 207     selection.add_option(
 208         '--playlist-start',
 209         dest='playliststart', metavar='NUMBER', default=1, type=int,
 210         help='Playlist video to start at (default is %default)')
 211     selection.add_option(
 212         '--playlist-end',
 213         dest='playlistend', metavar='NUMBER', default=None, type=int,
 214         help='Playlist video to end at (default is last)')
 215     selection.add_option(
 216         '--playlist-items',
 217         dest='playlist_items', metavar='ITEM_SPEC', default=None,
 218         help='Playlist video items to download. Specify indices of the videos in the playlist seperated by commas like: "--playlist-items 1,2,5,8" if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13.')
 219     selection.add_option(
 220         '--match-title',
 221         dest='matchtitle', metavar='REGEX',
 222         help='Download only matching titles (regex or caseless sub-string)')
 223     selection.add_option(
 224         '--reject-title',
 225         dest='rejecttitle', metavar='REGEX',
 226         help='Skip download for matching titles (regex or caseless sub-string)')
 227     selection.add_option(
 228         '--max-downloads',
 229         dest='max_downloads', metavar='NUMBER', type=int, default=None,
 230         help='Abort after downloading NUMBER files')
 231     selection.add_option(
 232         '--min-filesize',
 233         metavar='SIZE', dest='min_filesize', default=None,
 234         help='Do not download any videos smaller than SIZE (e.g. 50k or 44.6m)')
 235     selection.add_option(
 236         '--max-filesize',
 237         metavar='SIZE', dest='max_filesize', default=None,
 238         help='Do not download any videos larger than SIZE (e.g. 50k or 44.6m)')
 239     selection.add_option(
 240         '--date',
 241         metavar='DATE', dest='date', default=None,
 242         help='Download only videos uploaded in this date')
 243     selection.add_option(
 244         '--datebefore',
 245         metavar='DATE', dest='datebefore', default=None,
 246         help='Download only videos uploaded on or before this date (i.e. inclusive)')
 247     selection.add_option(
 248         '--dateafter',
 249         metavar='DATE', dest='dateafter', default=None,
 250         help='Download only videos uploaded on or after this date (i.e. inclusive)')
 251     selection.add_option(
 252         '--min-views',
 253         metavar='COUNT', dest='min_views', default=None, type=int,
 254         help='Do not download any videos with less than COUNT views')
 255     selection.add_option(
 256         '--max-views',
 257         metavar='COUNT', dest='max_views', default=None, type=int,
 258         help='Do not download any videos with more than COUNT views')
 259     selection.add_option(
 260         '--match-filter',
 261         metavar='FILTER', dest='match_filter', default=None,
 262         help=(
 263             'Generic video filter (experimental). '
 264             'Specify any key (see help for -o for a list of available keys) to'
 265             ' match if the key is present, '
 266             '!key to check if the key is not present,'
 267             'key > NUMBER (like "comment_count > 12", also works with '
 268             '>=, <, <=, !=, =) to compare against a number, and '
 269             '& to require multiple matches. '
 270             'Values which are not known are excluded unless you'
 271             ' put a question mark (?) after the operator.'
 272             'For example, to only match videos that have been liked more than '
 273             '100 times and disliked less than 50 times (or the dislike '
 274             'functionality is not available at the given service), but who '
 275             'also have a description, use  --match-filter '
 276             '"like_count > 100 & dislike_count <? 50 & description" .'
 277         ))
 278     selection.add_option(
 279         '--no-playlist',
 280         action='store_true', dest='noplaylist', default=False,
 281         help='Download only the video, if the URL refers to a video and a playlist.')
 282     selection.add_option(
 283         '--yes-playlist',
 284         action='store_false', dest='noplaylist', default=False,
 285         help='Download the playlist, if the URL refers to a video and a playlist.')
 286     selection.add_option(
 287         '--age-limit',
 288         metavar='YEARS', dest='age_limit', default=None, type=int,
 289         help='Download only videos suitable for the given age')
 290     selection.add_option(
 291         '--download-archive', metavar='FILE',
 292         dest='download_archive',
 293         help='Download only videos not listed in the archive file. Record the IDs of all downloaded videos in it.')
 294     selection.add_option(
 295         '--include-ads',
 296         dest='include_ads', action='store_true',
 297         help='Download advertisements as well (experimental)')
 298
 299     authentication = optparse.OptionGroup(parser, 'Authentication Options')
 300     authentication.add_option(
 301         '-u', '--username',
 302         dest='username', metavar='USERNAME',
 303         help='Login with this account ID')
 304     authentication.add_option(
 305         '-p', '--password',
 306         dest='password', metavar='PASSWORD',
 307         help='Account password. If this option is left out, youtube-dl will ask interactively.')
 308     authentication.add_option(
 309         '-2', '--twofactor',
 310         dest='twofactor', metavar='TWOFACTOR',
 311         help='Two-factor auth code')
 312     authentication.add_option(
 313         '-n', '--netrc',
 314         action='store_true', dest='usenetrc', default=False,
 315         help='Use .netrc authentication data')
 316     authentication.add_option(
 317         '--video-password',
 318         dest='videopassword', metavar='PASSWORD',
 319         help='Video password (vimeo, smotri)')
 320
 321     video_format = optparse.OptionGroup(parser, 'Video Format Options')
 322     video_format.add_option(
 323         '-f', '--format',
 324         action='store', dest='format', metavar='FORMAT', default=None,
 325         help='Video format code, see the "FORMAT SELECTION" for all the info')
 326     video_format.add_option(
 327         '--all-formats',
 328         action='store_const', dest='format', const='all',
 329         help='Download all available video formats')
 330     video_format.add_option(
 331         '--prefer-free-formats',
 332         action='store_true', dest='prefer_free_formats', default=False,
 333         help='Prefer free video formats unless a specific one is requested')
 334     video_format.add_option(
 335         '-F', '--list-formats',
 336         action='store_true', dest='listformats',
 337         help='List all available formats')
 338     video_format.add_option(
 339         '--youtube-include-dash-manifest',
 340         action='store_true', dest='youtube_include_dash_manifest', default=True,
 341         help=optparse.SUPPRESS_HELP)
 342     video_format.add_option(
 343         '--youtube-skip-dash-manifest',
 344         action='store_false', dest='youtube_include_dash_manifest',
 345         help='Do not download the DASH manifest on YouTube videos')
 346     video_format.add_option(
 347         '--merge-output-format',
 348         action='store', dest='merge_output_format', metavar='FORMAT', default=None,
 349         help=(
 350             'If a merge is required (e.g. bestvideo+bestaudio), output to given container format. One of mkv, mp4, ogg, webm, flv.'
 351             'Ignored if no merge is required'))
 352
 353     subtitles = optparse.OptionGroup(parser, 'Subtitle Options')
 354     subtitles.add_option(
 355         '--write-sub', '--write-srt',
 356         action='store_true', dest='writesubtitles', default=False,
 357         help='Write subtitle file')
 358     subtitles.add_option(
 359         '--write-auto-sub', '--write-automatic-sub',
 360         action='store_true', dest='writeautomaticsub', default=False,
 361         help='Write automatic subtitle file (YouTube only)')
 362     subtitles.add_option(
 363         '--all-subs',
 364         action='store_true', dest='allsubtitles', default=False,
 365         help='Download all the available subtitles of the video')
 366     subtitles.add_option(
 367         '--list-subs',
 368         action='store_true', dest='listsubtitles', default=False,
 369         help='List all available subtitles for the video')
 370     subtitles.add_option(
 371         '--sub-format',
 372         action='store', dest='subtitlesformat', metavar='FORMAT', default='best',
 373         help='Subtitle format, accepts formats preference, for example: "srt" or "ass/srt/best"')
 374     subtitles.add_option(
 375         '--sub-lang', '--sub-langs', '--srt-lang',
 376         action='callback', dest='subtitleslangs', metavar='LANGS', type='str',
 377         default=[], callback=_comma_separated_values_options_callback,
 378         help='Languages of the subtitles to download (optional) separated by commas, use IETF language tags like \'en,pt\'')
 379
 380     downloader = optparse.OptionGroup(parser, 'Download Options')
 381     downloader.add_option(
 382         '-r', '--rate-limit',
 383         dest='ratelimit', metavar='LIMIT',
 384         help='Maximum download rate in bytes per second (e.g. 50K or 4.2M)')
 385     downloader.add_option(
 386         '-R', '--retries',
 387         dest='retries', metavar='RETRIES', default=10,
 388         help='Number of retries (default is %default), or "infinite".')
 389     downloader.add_option(
 390         '--buffer-size',
 391         dest='buffersize', metavar='SIZE', default='1024',
 392         help='Size of download buffer (e.g. 1024 or 16K) (default is %default)')
 393     downloader.add_option(
 394         '--no-resize-buffer',
 395         action='store_true', dest='noresizebuffer', default=False,
 396         help='Do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.')
 397     downloader.add_option(
 398         '--test',
 399         action='store_true', dest='test', default=False,
 400         help=optparse.SUPPRESS_HELP)
 401     downloader.add_option(
 402         '--playlist-reverse',
 403         action='store_true',
 404         help='Download playlist videos in reverse order')
 405     downloader.add_option(
 406         '--xattr-set-filesize',
 407         dest='xattr_set_filesize', action='store_true',
 408         help='Set file xattribute ytdl.filesize with expected filesize (experimental)')
 409     downloader.add_option(
 410         '--hls-prefer-native',
 411         dest='hls_prefer_native', action='store_true',
 412         help='Use the native HLS downloader instead of ffmpeg (experimental)')
 413     downloader.add_option(
 414         '--external-downloader',
 415         dest='external_downloader', metavar='COMMAND',
 416         help='Use the specified external downloader. '
 417              'Currently supports %s' % ','.join(list_external_downloaders()))
 418     downloader.add_option(
 419         '--external-downloader-args',
 420         dest='external_downloader_args', metavar='ARGS',
 421         help='Give these arguments to the external downloader')
 422
 423     workarounds = optparse.OptionGroup(parser, 'Workarounds')
 424     workarounds.add_option(
 425         '--encoding',
 426         dest='encoding', metavar='ENCODING',
 427         help='Force the specified encoding (experimental)')
 428     workarounds.add_option(
 429         '--no-check-certificate',
 430         action='store_true', dest='no_check_certificate', default=False,
 431         help='Suppress HTTPS certificate validation')
 432     workarounds.add_option(
 433         '--prefer-insecure',
 434         '--prefer-unsecure', action='store_true', dest='prefer_insecure',
 435         help='Use an unencrypted connection to retrieve information about the video. (Currently supported only for YouTube)')
 436     workarounds.add_option(
 437         '--user-agent',
 438         metavar='UA', dest='user_agent',
 439         help='Specify a custom user agent')
 440     workarounds.add_option(
 441         '--referer',
 442         metavar='URL', dest='referer', default=None,
 443         help='Specify a custom referer, use if the video access is restricted to one domain',
 444     )
 445     workarounds.add_option(
 446         '--add-header',
 447         metavar='FIELD:VALUE', dest='headers', action='append',
 448         help='Specify a custom HTTP header and its value, separated by a colon \':\'. You can use this option multiple times',
 449     )
 450     workarounds.add_option(
 451         '--bidi-workaround',
 452         dest='bidi_workaround', action='store_true',
 453         help='Work around terminals that lack bidirectional text support. Requires bidiv or fribidi executable in PATH')
 454     workarounds.add_option(
 455         '--sleep-interval', metavar='SECONDS',
 456         dest='sleep_interval', type=float,
 457         help='Number of seconds to sleep before each download.')
 458
 459     verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
 460     verbosity.add_option(
 461         '-q', '--quiet',
 462         action='store_true', dest='quiet', default=False,
 463         help='Activate quiet mode')
 464     verbosity.add_option(
 465         '--no-warnings',
 466         dest='no_warnings', action='store_true', default=False,
 467         help='Ignore warnings')
 468     verbosity.add_option(
 469         '-s', '--simulate',
 470         action='store_true', dest='simulate', default=False,
 471         help='Do not download the video and do not write anything to disk')
 472     verbosity.add_option(
 473         '--skip-download',
 474         action='store_true', dest='skip_download', default=False,
 475         help='Do not download the video')
 476     verbosity.add_option(
 477         '-g', '--get-url',
 478         action='store_true', dest='geturl', default=False,
 479         help='Simulate, quiet but print URL')
 480     verbosity.add_option(
 481         '-e', '--get-title',
 482         action='store_true', dest='gettitle', default=False,
 483         help='Simulate, quiet but print title')
 484     verbosity.add_option(
 485         '--get-id',
 486         action='store_true', dest='getid', default=False,
 487         help='Simulate, quiet but print id')
 488     verbosity.add_option(
 489         '--get-thumbnail',
 490         action='store_true', dest='getthumbnail', default=False,
 491         help='Simulate, quiet but print thumbnail URL')
 492     verbosity.add_option(
 493         '--get-description',
 494         action='store_true', dest='getdescription', default=False,
 495         help='Simulate, quiet but print video description')
 496     verbosity.add_option(
 497         '--get-duration',
 498         action='store_true', dest='getduration', default=False,
 499         help='Simulate, quiet but print video length')
 500     verbosity.add_option(
 501         '--get-filename',
 502         action='store_true', dest='getfilename', default=False,
 503         help='Simulate, quiet but print output filename')
 504     verbosity.add_option(
 505         '--get-format',
 506         action='store_true', dest='getformat', default=False,
 507         help='Simulate, quiet but print output format')
 508     verbosity.add_option(
 509         '-j', '--dump-json',
 510         action='store_true', dest='dumpjson', default=False,
 511         help='Simulate, quiet but print JSON information. See --output for a description of available keys.')
 512     verbosity.add_option(
 513         '-J', '--dump-single-json',
 514         action='store_true', dest='dump_single_json', default=False,
 515         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.')
 516     verbosity.add_option(
 517         '--print-json',
 518         action='store_true', dest='print_json', default=False,
 519         help='Be quiet and print the video information as JSON (video is still being downloaded).',
 520     )
 521     verbosity.add_option(
 522         '--newline',
 523         action='store_true', dest='progress_with_newline', default=False,
 524         help='Output progress bar as new lines')
 525     verbosity.add_option(
 526         '--no-progress',
 527         action='store_true', dest='noprogress', default=False,
 528         help='Do not print progress bar')
 529     verbosity.add_option(
 530         '--console-title',
 531         action='store_true', dest='consoletitle', default=False,
 532         help='Display progress in console titlebar')
 533     verbosity.add_option(
 534         '-v', '--verbose',
 535         action='store_true', dest='verbose', default=False,
 536         help='Print various debugging information')
 537     verbosity.add_option(
 538         '--dump-pages', '--dump-intermediate-pages',
 539         action='store_true', dest='dump_intermediate_pages', default=False,
 540         help='Print downloaded pages to debug problems (very verbose)')
 541     verbosity.add_option(
 542         '--write-pages',
 543         action='store_true', dest='write_pages', default=False,
 544         help='Write downloaded intermediary pages to files in the current directory to debug problems')
 545     verbosity.add_option(
 546         '--youtube-print-sig-code',
 547         action='store_true', dest='youtube_print_sig_code', default=False,
 548         help=optparse.SUPPRESS_HELP)
 549     verbosity.add_option(
 550         '--print-traffic', '--dump-headers',
 551         dest='debug_printtraffic', action='store_true', default=False,
 552         help='Display sent and read HTTP traffic')
 553     verbosity.add_option(
 554         '-C', '--call-home',
 555         dest='call_home', action='store_true', default=False,
 556         help='Contact the youtube-dl server for debugging')
 557     verbosity.add_option(
 558         '--no-call-home',
 559         dest='call_home', action='store_false', default=False,
 560         help='Do NOT contact the youtube-dl server for debugging')
 561
 562     filesystem = optparse.OptionGroup(parser, 'Filesystem Options')
 563     filesystem.add_option(
 564         '-a', '--batch-file',
 565         dest='batchfile', metavar='FILE',
 566         help='File containing URLs to download (\'-\' for stdin)')
 567     filesystem.add_option(
 568         '--id', default=False,
 569         action='store_true', dest='useid', help='Use only video ID in file name')
 570     filesystem.add_option(
 571         '-o', '--output',
 572         dest='outtmpl', metavar='TEMPLATE',
 573         help=('Output filename template. Use %(title)s to get the title, '
 574               '%(uploader)s for the uploader name, %(uploader_id)s for the uploader nickname if different, '
 575               '%(autonumber)s to get an automatically incremented number, '
 576               '%(ext)s for the filename extension, '
 577               '%(format)s for the format description (like "22 - 1280x720" or "HD"), '
 578               '%(format_id)s for the unique id of the format (like YouTube\'s itags: "137"), '
 579               '%(upload_date)s for the upload date (YYYYMMDD), '
 580               '%(extractor)s for the provider (youtube, metacafe, etc), '
 581               '%(id)s for the video id, '
 582               '%(playlist_title)s, %(playlist_id)s, or %(playlist)s (=title if present, ID otherwise) for the playlist the video is in, '
 583               '%(playlist_index)s for the position in the playlist. '
 584               '%(height)s and %(width)s for the width and height of the video format. '
 585               '%(resolution)s for a textual description of the resolution of the video format. '
 586               '%% for a literal percent. '
 587               'Use - to output to stdout. Can also be used to download to a different directory, '
 588               'for example with -o \'/my/downloads/%(uploader)s/%(title)s-%(id)s.%(ext)s\' .'))
 589     filesystem.add_option(
 590         '--autonumber-size',
 591         dest='autonumber_size', metavar='NUMBER',
 592         help='Specify the number of digits in %(autonumber)s when it is present in output filename template or --auto-number option is given')
 593     filesystem.add_option(
 594         '--restrict-filenames',
 595         action='store_true', dest='restrictfilenames', default=False,
 596         help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames')
 597     filesystem.add_option(
 598         '-A', '--auto-number',
 599         action='store_true', dest='autonumber', default=False,
 600         help='[deprecated; use  -o "%(autonumber)s-%(title)s.%(ext)s" ] Number downloaded files starting from 00000')
 601     filesystem.add_option(
 602         '-t', '--title',
 603         action='store_true', dest='usetitle', default=False,
 604         help='[deprecated] Use title in file name (default)')
 605     filesystem.add_option(
 606         '-l', '--literal', default=False,
 607         action='store_true', dest='usetitle',
 608         help='[deprecated] Alias of --title')
 609     filesystem.add_option(
 610         '-w', '--no-overwrites',
 611         action='store_true', dest='nooverwrites', default=False,
 612         help='Do not overwrite files')
 613     filesystem.add_option(
 614         '-c', '--continue',
 615         action='store_true', dest='continue_dl', default=True,
 616         help='Force resume of partially downloaded files. By default, youtube-dl will resume downloads if possible.')
 617     filesystem.add_option(
 618         '--no-continue',
 619         action='store_false', dest='continue_dl',
 620         help='Do not resume partially downloaded files (restart from beginning)')
 621     filesystem.add_option(
 622         '--no-part',
 623         action='store_true', dest='nopart', default=False,
 624         help='Do not use .part files - write directly into output file')
 625     filesystem.add_option(
 626         '--no-mtime',
 627         action='store_false', dest='updatetime', default=True,
 628         help='Do not use the Last-modified header to set the file modification time')
 629     filesystem.add_option(
 630         '--write-description',
 631         action='store_true', dest='writedescription', default=False,
 632         help='Write video description to a .description file')
 633     filesystem.add_option(
 634         '--write-info-json',
 635         action='store_true', dest='writeinfojson', default=False,
 636         help='Write video metadata to a .info.json file')
 637     filesystem.add_option(
 638         '--write-annotations',
 639         action='store_true', dest='writeannotations', default=False,
 640         help='Write video annotations to a .annotations.xml file')
 641     filesystem.add_option(
 642         '--load-info',
 643         dest='load_info_filename', metavar='FILE',
 644         help='JSON file containing the video information (created with the "--write-info-json" option)')
 645     filesystem.add_option(
 646         '--cookies',
 647         dest='cookiefile', metavar='FILE',
 648         help='File to read cookies from and dump cookie jar in')
 649     filesystem.add_option(
 650         '--cache-dir', dest='cachedir', default=None, metavar='DIR',
 651         help='Location in the filesystem where youtube-dl can store some downloaded information permanently. By default $XDG_CACHE_HOME/youtube-dl or ~/.cache/youtube-dl . At the moment, only YouTube player files (for videos with obfuscated signatures) are cached, but that may change.')
 652     filesystem.add_option(
 653         '--no-cache-dir', action='store_const', const=False, dest='cachedir',
 654         help='Disable filesystem caching')
 655     filesystem.add_option(
 656         '--rm-cache-dir',
 657         action='store_true', dest='rm_cachedir',
 658         help='Delete all filesystem cache files')
 659
 660     thumbnail = optparse.OptionGroup(parser, 'Thumbnail images')
 661     thumbnail.add_option(
 662         '--write-thumbnail',
 663         action='store_true', dest='writethumbnail', default=False,
 664         help='Write thumbnail image to disk')
 665     thumbnail.add_option(
 666         '--write-all-thumbnails',
 667         action='store_true', dest='write_all_thumbnails', default=False,
 668         help='Write all thumbnail image formats to disk')
 669     thumbnail.add_option(
 670         '--list-thumbnails',
 671         action='store_true', dest='list_thumbnails', default=False,
 672         help='Simulate and list all available thumbnail formats')
 673
 674     postproc = optparse.OptionGroup(parser, 'Post-processing Options')
 675     postproc.add_option(
 676         '-x', '--extract-audio',
 677         action='store_true', dest='extractaudio', default=False,
 678         help='Convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
 679     postproc.add_option(
 680         '--audio-format', metavar='FORMAT', dest='audioformat', default='best',
 681         help='Specify audio format: "best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; "%default" by default')
 682     postproc.add_option(
 683         '--audio-quality', metavar='QUALITY',
 684         dest='audioquality', default='5',
 685         help='Specify ffmpeg/avconv audio quality, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default %default)')
 686     postproc.add_option(
 687         '--recode-video',
 688         metavar='FORMAT', dest='recodevideo', default=None,
 689         help='Encode the video to another format if necessary (currently supported: mp4|flv|ogg|webm|mkv)')
 690     postproc.add_option(
 691         '-k', '--keep-video',
 692         action='store_true', dest='keepvideo', default=False,
 693         help='Keep the video file on disk after the post-processing; the video is erased by default')
 694     postproc.add_option(
 695         '--no-post-overwrites',
 696         action='store_true', dest='nopostoverwrites', default=False,
 697         help='Do not overwrite post-processed files; the post-processed files are overwritten by default')
 698     postproc.add_option(
 699         '--embed-subs',
 700         action='store_true', dest='embedsubtitles', default=False,
 701         help='Embed subtitles in the video (only for mkv and mp4 videos)')
 702     postproc.add_option(
 703         '--embed-thumbnail',
 704         action='store_true', dest='embedthumbnail', default=False,
 705         help='Embed thumbnail in the audio as cover art')
 706     postproc.add_option(
 707         '--add-metadata',
 708         action='store_true', dest='addmetadata', default=False,
 709         help='Write metadata to the video file')
 710     postproc.add_option(
 711         '--metadata-from-title',
 712         metavar='FORMAT', dest='metafromtitle',
 713         help='Parse additional metadata like song title / artist from the video title. '
 714              'The format syntax is the same as --output, '
 715              'the parsed parameters replace existing values. '
 716              'Additional templates: %(album), %(artist). '
 717              'Example: --metadata-from-title "%(artist)s - %(title)s" matches a title like '
 718              '"Coldplay - Paradise"')
 719     postproc.add_option(
 720         '--xattrs',
 721         action='store_true', dest='xattrs', default=False,
 722         help='Write metadata to the video file\'s xattrs (using dublin core and xdg standards)')
 723     postproc.add_option(
 724         '--fixup',
 725         metavar='POLICY', dest='fixup', default='detect_or_warn',
 726         help='Automatically correct known faults of the file. '
 727              'One of never (do nothing), warn (only emit a warning), '
 728              'detect_or_warn(the default; fix file if we can, warn otherwise)')
 729     postproc.add_option(
 730         '--prefer-avconv',
 731         action='store_false', dest='prefer_ffmpeg',
 732         help='Prefer avconv over ffmpeg for running the postprocessors (default)')
 733     postproc.add_option(
 734         '--prefer-ffmpeg',
 735         action='store_true', dest='prefer_ffmpeg',
 736         help='Prefer ffmpeg over avconv for running the postprocessors')
 737     postproc.add_option(
 738         '--ffmpeg-location', '--avconv-location', metavar='PATH',
 739         dest='ffmpeg_location',
 740         help='Location of the ffmpeg/avconv binary; either the path to the binary or its containing directory.')
 741     postproc.add_option(
 742         '--exec',
 743         metavar='CMD', dest='exec_cmd',
 744         help='Execute a command on the file after downloading, similar to find\'s -exec syntax. Example: --exec \'adb push {} /sdcard/Music/ && rm {}\'')
 745     postproc.add_option(
 746         '--convert-subtitles', '--convert-subs',
 747         metavar='FORMAT', dest='convertsubtitles', default=None,
 748         help='Convert the subtitles to other format (currently supported: srt|ass|vtt)')
 749
 750     parser.add_option_group(general)
 751     parser.add_option_group(network)
 752     parser.add_option_group(selection)
 753     parser.add_option_group(downloader)
 754     parser.add_option_group(filesystem)
 755     parser.add_option_group(thumbnail)
 756     parser.add_option_group(verbosity)
 757     parser.add_option_group(workarounds)
 758     parser.add_option_group(video_format)
 759     parser.add_option_group(subtitles)
 760     parser.add_option_group(authentication)
 761     parser.add_option_group(postproc)
 762
 763     if overrideArguments is not None:
 764         opts, args = parser.parse_args(overrideArguments)
 765         if opts.verbose:
 766             write_string('[debug] Override config: ' + repr(overrideArguments) + '\n')
 767     else:
 768         def compat_conf(conf):
 769             if sys.version_info < (3,):
 770                 return [a.decode(preferredencoding(), 'replace') for a in conf]
 771             return conf
 772
 773         command_line_conf = compat_conf(sys.argv[1:])
 774
 775         if '--ignore-config' in command_line_conf:
 776             system_conf = []
 777             user_conf = []
 778         else:
 779             system_conf = compat_conf(_readOptions('/etc/youtube-dl.conf'))
 780             if '--ignore-config' in system_conf:
 781                 user_conf = []
 782             else:
 783                 user_conf = compat_conf(_readUserConf())
 784         argv = system_conf + user_conf + command_line_conf
 785
 786         opts, args = parser.parse_args(argv)
 787         if opts.verbose:
 788             write_string('[debug] System config: ' + repr(_hide_login_info(system_conf)) + '\n')
 789             write_string('[debug] User config: ' + repr(_hide_login_info(user_conf)) + '\n')
 790             write_string('[debug] Command-line args: ' + repr(_hide_login_info(command_line_conf)) + '\n')
 791
 792     return parser, opts, args