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