[options] Consistent formatting and general niceness

1 files changed, 433 insertions, 283 deletions

diff --git a/youtube_dl/options.py b/youtube_dl/options.py
index ad3154a7d..a06850e1c 100644
--- a/youtube_dl/options.py
+++ b/youtube_dl/options.py
@@ -75,7 +75,8 @@ def parseOpts(overrideArguments=None):
         if len(opts) > 1:
             opts.insert(1, ', ')
 
-        if option.takes_value(): opts.append(' %s' % option.metavar)
+        if option.takes_value():
+            opts.append(' %s' % option.metavar)
 
         return "".join(opts)
 
@@ -87,68 +88,69 @@ def parseOpts(overrideArguments=None):
         for private_opt in ['-p', '--password', '-u', '--username', '--video-password']:
             try:
                 i = opts.index(private_opt)
-                opts[i+1] = 'PRIVATE'
+                opts[i + 1] = 'PRIVATE'
             except ValueError:
                 pass
         return opts
 
-    max_width = 80
-    max_help_position = 80
-
     # No need to wrap help messages if we're on a wide console
     columns = get_term_width()
-    if columns: max_width = columns
+    max_width = columns if columns else 80
+    max_help_position = 80
 
     fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
     fmt.format_option_strings = _format_option_string
 
     kw = {
-        'version'   : __version__,
-        'formatter' : fmt,
-        'usage' : '%prog [options] url [url...]',
-        'conflict_handler' : 'resolve',
+        'version': __version__,
+        'formatter': fmt,
+        'usage': '%prog [options] url [url...]',
+        'conflict_handler': 'resolve',
     }
 
     parser = optparse.OptionParser(**kw)
 
-    # option groups
-    general        = optparse.OptionGroup(parser, 'General Options')
-    selection      = optparse.OptionGroup(parser, 'Video Selection')
-    authentication = optparse.OptionGroup(parser, 'Authentication Options')
-    video_format   = optparse.OptionGroup(parser, 'Video Format Options')
-    subtitles      = optparse.OptionGroup(parser, 'Subtitle Options')
-    downloader     = optparse.OptionGroup(parser, 'Download Options')
-    postproc       = optparse.OptionGroup(parser, 'Post-processing Options')
-    filesystem     = optparse.OptionGroup(parser, 'Filesystem Options')
-    workarounds    = optparse.OptionGroup(parser, 'Workarounds')
-    verbosity      = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
-
-    general.add_option('-h', '--help',
-            action='help', help='print this help text and exit')
-    general.add_option('-v', '--version',
-            action='version', help='print program version and exit')
-    general.add_option('-U', '--update',
-            action='store_true', dest='update_self', help='update this program to latest version. Make sure that you have sufficient permissions (run with sudo if needed)')
-    general.add_option('-i', '--ignore-errors',
-            action='store_true', dest='ignoreerrors', help='continue on download errors, for example to skip unavailable videos in a playlist', default=False)
-    general.add_option('--abort-on-error',
-            action='store_false', dest='ignoreerrors',
-            help='Abort downloading of further videos (in the playlist or the command line) if an error occurs')
-    general.add_option('--dump-user-agent',
-            action='store_true', dest='dump_user_agent',
-            help='display the current browser identification', default=False)
-    general.add_option('--list-extractors',
-            action='store_true', dest='list_extractors',
-            help='List all supported extractors and the URLs they would handle', default=False)
-    general.add_option('--extractor-descriptions',
-            action='store_true', dest='list_extractor_descriptions',
-            help='Output descriptions of all supported extractors', default=False)
+    general = optparse.OptionGroup(parser, 'General Options')
+    general.add_option(
+        '-h', '--help',
+        action='help',
+        help='print this help text and exit')
+    general.add_option(
+        '-v', '--version',
+        action='version',
+        help='print program version and exit')
+    general.add_option(
+        '-U', '--update',
+        action='store_true', dest='update_self',
+        help='update this program to latest version. Make sure that you have sufficient permissions (run with sudo if needed)')
+    general.add_option(
+        '-i', '--ignore-errors',
+        action='store_true', dest='ignoreerrors', default=False,
+        help='continue on download errors, for example to skip unavailable videos in a playlist')
+    general.add_option(
+        '--abort-on-error',
+        action='store_false', dest='ignoreerrors',
+        help='Abort downloading of further videos (in the playlist or the command line) if an error occurs')
+    general.add_option(
+        '--dump-user-agent',
+        action='store_true', dest='dump_user_agent', default=False,
+        help='display the current browser identification')
     general.add_option(
-        '--proxy', dest='proxy', default=None, metavar='URL',
+        '--list-extractors',
+        action='store_true', dest='list_extractors', default=False,
+        help='List all supported extractors and the URLs they would handle')
+    general.add_option(
+        '--extractor-descriptions',
+        action='store_true', dest='list_extractor_descriptions', default=False,
+        help='Output descriptions of all supported extractors')
+    general.add_option(
+        '--proxy', dest='proxy',
+        default=None, metavar='URL',
         help='Use the specified HTTP/HTTPS proxy. Pass in an empty string (--proxy "") for direct connection')
     general.add_option(
-        '--socket-timeout', dest='socket_timeout',
-        type=float, default=None, help=u'Time to wait before giving up, in seconds')
+        '--socket-timeout',
+        dest='socket_timeout', type=float, default=None,
+        help='Time to wait before giving up, in seconds')
     general.add_option(
         '--default-search',
         dest='default_search', metavar='PREFIX',
@@ -158,6 +160,7 @@ def parseOpts(overrideArguments=None):
         action='store_true',
         help='Do not read configuration files. When given in the global configuration file /etc/youtube-dl.conf: do not read the user configuration in ~/.config/youtube-dl.conf (%APPDATA%/youtube-dl/config.txt on Windows)')
 
+    selection = optparse.OptionGroup(parser, 'Video Selection')
     selection.add_option(
         '--playlist-start',
         dest='playliststart', metavar='NUMBER', default=1, type=int,
@@ -166,245 +169,367 @@ def parseOpts(overrideArguments=None):
         '--playlist-end',
         dest='playlistend', metavar='NUMBER', default=None, type=int,
         help='playlist video to end at (default is last)')
-    selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
-    selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
-    selection.add_option('--max-downloads', metavar='NUMBER',
-                         dest='max_downloads', type=int, default=None,
-                         help='Abort after downloading NUMBER files')
-    selection.add_option('--min-filesize', metavar='SIZE', dest='min_filesize', help="Do not download any videos smaller than SIZE (e.g. 50k or 44.6m)", default=None)
-    selection.add_option('--max-filesize', metavar='SIZE', dest='max_filesize', help="Do not download any videos larger than SIZE (e.g. 50k or 44.6m)", default=None)
-    selection.add_option('--date', metavar='DATE', dest='date', help='download only videos uploaded in this date', default=None)
     selection.add_option(
-        '--datebefore', metavar='DATE', dest='datebefore', default=None,
+        '--match-title',
+        dest='matchtitle', metavar='REGEX',
+        help='download only matching titles (regex or caseless sub-string)')
+    selection.add_option(
+        '--reject-title',
+        dest='rejecttitle', metavar='REGEX',
+        help='skip download for matching titles (regex or caseless sub-string)')
+    selection.add_option(
+        '--max-downloads',
+        dest='max_downloads', metavar='NUMBER', type=int, default=None,
+        help='Abort after downloading NUMBER files')
+    selection.add_option(
+        '--min-filesize',
+        metavar='SIZE', dest='min_filesize', default=None,
+        help='Do not download any videos smaller than SIZE (e.g. 50k or 44.6m)')
+    selection.add_option(
+        '--max-filesize',
+        metavar='SIZE', dest='max_filesize', default=None,
+        help='Do not download any videos larger than SIZE (e.g. 50k or 44.6m)')
+    selection.add_option(
+        '--date',
+        metavar='DATE', dest='date', default=None,
+        help='download only videos uploaded in this date')
+    selection.add_option(
+        '--datebefore',
+        metavar='DATE', dest='datebefore', default=None,
         help='download only videos uploaded on or before this date (i.e. inclusive)')
     selection.add_option(
-        '--dateafter', metavar='DATE', dest='dateafter', default=None,
+        '--dateafter',
+        metavar='DATE', dest='dateafter', default=None,
         help='download only videos uploaded on or after this date (i.e. inclusive)')
     selection.add_option(
-        '--min-views', metavar='COUNT', dest='min_views',
-        default=None, type=int,
-        help="Do not download any videos with less than COUNT views",)
+        '--min-views',
+        metavar='COUNT', dest='min_views', default=None, type=int,
+        help='Do not download any videos with less than COUNT views',)
     selection.add_option(
-        '--max-views', metavar='COUNT', dest='max_views',
-        default=None, type=int,
-        help="Do not download any videos with more than COUNT views",)
-    selection.add_option('--no-playlist', action='store_true', dest='noplaylist', help='download only the currently playing video', default=False)
-    selection.add_option('--age-limit', metavar='YEARS', dest='age_limit',
-                         help='download only videos suitable for the given age',
-                         default=None, type=int)
-    selection.add_option('--download-archive', metavar='FILE',
-                         dest='download_archive',
-                         help='Download only videos not listed in the archive file. Record the IDs of all downloaded videos in it.')
+        '--max-views',
+        metavar='COUNT', dest='max_views', default=None, type=int,
+        help='Do not download any videos with more than COUNT views')
     selection.add_option(
-        '--include-ads', dest='include_ads',
-        action='store_true',
+        '--no-playlist',
+        action='store_true', dest='noplaylist', default=False,
+        help='download only the currently playing video')
+    selection.add_option(
+        '--age-limit',
+        metavar='YEARS', dest='age_limit', default=None, type=int,
+        help='download only videos suitable for the given age')
+    selection.add_option(
+        '--download-archive', metavar='FILE',
+        dest='download_archive',
+        help='Download only videos not listed in the archive file. Record the IDs of all downloaded videos in it.')
+    selection.add_option(
+        '--include-ads',
+        dest='include_ads', action='store_true',
         help='Download advertisements as well (experimental)')
     selection.add_option(
-        '--youtube-include-dash-manifest', action='store_true',
-        dest='youtube_include_dash_manifest', default=False,
+        '--youtube-include-dash-manifest',
+        action='store_true', dest='youtube_include_dash_manifest', default=False,
         help='Try to download the DASH manifest on YouTube videos (experimental)')
 
-    authentication.add_option('-u', '--username',
-            dest='username', metavar='USERNAME', help='login with this account ID')
-    authentication.add_option('-p', '--password',
-            dest='password', metavar='PASSWORD', help='account password')
-    authentication.add_option('-2', '--twofactor',
-            dest='twofactor', metavar='TWOFACTOR', help='two-factor auth code')
-    authentication.add_option('-n', '--netrc',
-            action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
-    authentication.add_option('--video-password',
-            dest='videopassword', metavar='PASSWORD', help='video password (vimeo, smotri)')
-
-
-    video_format.add_option('-f', '--format',
-            action='store', dest='format', metavar='FORMAT', default=None,
-            help='video format code, specify the order of preference using slashes: -f 22/17/18 .  -f mp4 , -f m4a and  -f flv  are also supported. You can also use the special names "best", "bestvideo", "bestaudio", "worst", "worstvideo" and "worstaudio". By default, youtube-dl will pick the best quality. Use commas to download multiple audio formats, such as  -f  136/137/mp4/bestvideo,140/m4a/bestaudio')
-    video_format.add_option('--all-formats',
-            action='store_const', dest='format', help='download all available video formats', const='all')
-    video_format.add_option('--prefer-free-formats',
-            action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
-    video_format.add_option('--max-quality',
-            action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
-    video_format.add_option('-F', '--list-formats',
-            action='store_true', dest='listformats', help='list all available formats')
-
-    subtitles.add_option('--write-sub', '--write-srt',
-            action='store_true', dest='writesubtitles',
-            help='write subtitle file', default=False)
-    subtitles.add_option('--write-auto-sub', '--write-automatic-sub',
-            action='store_true', dest='writeautomaticsub',
-            help='write automatic subtitle file (youtube only)', default=False)
-    subtitles.add_option('--all-subs',
-            action='store_true', dest='allsubtitles',
-            help='downloads all the available subtitles of the video', default=False)
-    subtitles.add_option('--list-subs',
-            action='store_true', dest='listsubtitles',
-            help='lists all available subtitles for the video', default=False)
-    subtitles.add_option('--sub-format',
-            action='store', dest='subtitlesformat', metavar='FORMAT',
-            help='subtitle format (default=srt) ([sbv/vtt] youtube only)', default='srt')
-    subtitles.add_option('--sub-lang', '--sub-langs', '--srt-lang',
-            action='callback', dest='subtitleslangs', metavar='LANGS', type='str',
-            default=[], callback=_comma_separated_values_options_callback,
-            help='languages of the subtitles to download (optional) separated by commas, use IETF language tags like \'en,pt\'')
-
-    downloader.add_option('-r', '--rate-limit',
-            dest='ratelimit', metavar='LIMIT', help='maximum download rate in bytes per second (e.g. 50K or 4.2M)')
-    downloader.add_option('-R', '--retries',
-            dest='retries', metavar='RETRIES', help='number of retries (default is %default)', default=10)
-    downloader.add_option('--buffer-size',
-            dest='buffersize', metavar='SIZE', help='size of download buffer (e.g. 1024 or 16K) (default is %default)', default="1024")
-    downloader.add_option('--no-resize-buffer',
-            action='store_true', dest='noresizebuffer',
-            help='do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.', default=False)
-    downloader.add_option('--test', action='store_true', dest='test', default=False, help=optparse.SUPPRESS_HELP)
-
+    authentication = optparse.OptionGroup(parser, 'Authentication Options')
+    authentication.add_option(
+        '-u', '--username',
+        dest='username', metavar='USERNAME',
+        help='login with this account ID')
+    authentication.add_option(
+        '-p', '--password',
+        dest='password', metavar='PASSWORD',
+        help='account password')
+    authentication.add_option(
+        '-2', '--twofactor',
+        dest='twofactor', metavar='TWOFACTOR',
+        help='two-factor auth code')
+    authentication.add_option(
+        '-n', '--netrc',
+        action='store_true', dest='usenetrc', default=False,
+        help='use .netrc authentication data')
+    authentication.add_option(
+        '--video-password',
+        dest='videopassword', metavar='PASSWORD',
+        help='video password (vimeo, smotri)')
+
+    video_format = optparse.OptionGroup(parser, 'Video Format Options')
+    video_format.add_option(
+        '-f', '--format',
+        action='store', dest='format', metavar='FORMAT', default=None,
+        help='video format code, specify the order of preference using slashes: -f 22/17/18 .  -f mp4 , -f m4a and  -f flv  are also supported. You can also use the special names "best", "bestvideo", "bestaudio", "worst", "worstvideo" and "worstaudio". By default, youtube-dl will pick the best quality. Use commas to download multiple audio formats, such as  -f  136/137/mp4/bestvideo,140/m4a/bestaudio')
+    video_format.add_option(
+        '--all-formats',
+        action='store_const', dest='format', const='all',
+        help='download all available video formats')
+    video_format.add_option(
+        '--prefer-free-formats',
+        action='store_true', dest='prefer_free_formats', default=False,
+        help='prefer free video formats unless a specific one is requested')
+    video_format.add_option(
+        '--max-quality',
+        action='store', dest='format_limit', metavar='FORMAT',
+        help='highest quality format to download')
+    video_format.add_option(
+        '-F', '--list-formats',
+        action='store_true', dest='listformats',
+        help='list all available formats')
+
+    subtitles = optparse.OptionGroup(parser, 'Subtitle Options')
+    subtitles.add_option(
+        '--write-sub', '--write-srt',
+        action='store_true', dest='writesubtitles', default=False,
+        help='write subtitle file')
+    subtitles.add_option(
+        '--write-auto-sub', '--write-automatic-sub',
+        action='store_true', dest='writeautomaticsub', default=False,
+        help='write automatic subtitle file (youtube only)')
+    subtitles.add_option(
+        '--all-subs',
+        action='store_true', dest='allsubtitles', default=False,
+        help='downloads all the available subtitles of the video')
+    subtitles.add_option(
+        '--list-subs',
+        action='store_true', dest='listsubtitles', default=False,
+        help='lists all available subtitles for the video')
+    subtitles.add_option(
+        '--sub-format',
+        action='store', dest='subtitlesformat', metavar='FORMAT', default='srt',
+        help='subtitle format (default=srt) ([sbv/vtt] youtube only)')
+    subtitles.add_option(
+        '--sub-lang', '--sub-langs', '--srt-lang',
+        action='callback', dest='subtitleslangs', metavar='LANGS', type='str',
+        default=[], callback=_comma_separated_values_options_callback,
+        help='languages of the subtitles to download (optional) separated by commas, use IETF language tags like \'en,pt\'')
+
+    downloader = optparse.OptionGroup(parser, 'Download Options')
+    downloader.add_option(
+        '-r', '--rate-limit',
+        dest='ratelimit', metavar='LIMIT',
+        help='maximum download rate in bytes per second (e.g. 50K or 4.2M)')
+    downloader.add_option(
+        '-R', '--retries',
+        dest='retries', metavar='RETRIES', default=10,
+        help='number of retries (default is %default)')
+    downloader.add_option(
+        '--buffer-size',
+        dest='buffersize', metavar='SIZE', default='1024',
+        help='size of download buffer (e.g. 1024 or 16K) (default is %default)')
+    downloader.add_option(
+        '--no-resize-buffer',
+        action='store_true', dest='noresizebuffer', default=False,
+        help='do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.')
+    downloader.add_option(
+        '--test',
+        action='store_true', dest='test', default=False,
+        help=optparse.SUPPRESS_HELP)
+
+    workarounds = optparse.OptionGroup(parser, 'Workarounds')
     workarounds.add_option(
-        '--encoding', dest='encoding', metavar='ENCODING',
+        '--encoding',
+        dest='encoding', metavar='ENCODING',
         help='Force the specified encoding (experimental)')
     workarounds.add_option(
-        '--no-check-certificate', action='store_true',
-        dest='no_check_certificate', default=False,
+        '--no-check-certificate',
+        action='store_true', dest='no_check_certificate', default=False,
         help='Suppress HTTPS certificate validation.')
     workarounds.add_option(
-        '--prefer-insecure', '--prefer-unsecure', action='store_true', dest='prefer_insecure',
+        '--prefer-insecure',
+        '--prefer-unsecure', action='store_true', dest='prefer_insecure',
         help='Use an unencrypted connection to retrieve information about the video. (Currently supported only for YouTube)')
     workarounds.add_option(
-        '--user-agent', metavar='UA',
-        dest='user_agent', help='specify a custom user agent')
+        '--user-agent',
+        metavar='UA', dest='user_agent',
+        help='specify a custom user agent')
     workarounds.add_option(
-        '--referer', metavar='REF',
-        dest='referer', default=None,
+        '--referer',
+        metavar='URL', dest='referer', default=None,
         help='specify a custom referer, use if the video access is restricted to one domain',
     )
     workarounds.add_option(
-        '--add-header', metavar='FIELD:VALUE',
-        dest='headers', action='append',
+        '--add-header',
+        metavar='FIELD:VALUE', dest='headers', action='append',
         help='specify a custom HTTP header and its value, separated by a colon \':\'. You can use this option multiple times',
     )
     workarounds.add_option(
-        '--bidi-workaround', dest='bidi_workaround', action='store_true',
-        help=u'Work around terminals that lack bidirectional text support. Requires bidiv or fribidi executable in PATH')
+        '--bidi-workaround',
+        dest='bidi_workaround', action='store_true',
+        help='Work around terminals that lack bidirectional text support. Requires bidiv or fribidi executable in PATH')
 
-    verbosity.add_option('-q', '--quiet',
-            action='store_true', dest='quiet', help='activates quiet mode', default=False)
+    verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
+    verbosity.add_option(
+        '-q', '--quiet',
+        action='store_true', dest='quiet', default=False,
+        help='activates quiet mode')
     verbosity.add_option(
         '--no-warnings',
         dest='no_warnings', action='store_true', default=False,
         help='Ignore warnings')
-    verbosity.add_option('-s', '--simulate',
-            action='store_true', dest='simulate', help='do not download the video and do not write anything to disk', default=False)
-    verbosity.add_option('--skip-download',
-            action='store_true', dest='skip_download', help='do not download the video', default=False)
-    verbosity.add_option('-g', '--get-url',
-            action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
-    verbosity.add_option('-e', '--get-title',
-            action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
-    verbosity.add_option('--get-id',
-            action='store_true', dest='getid', help='simulate, quiet but print id', default=False)
-    verbosity.add_option('--get-thumbnail',
-            action='store_true', dest='getthumbnail',
-            help='simulate, quiet but print thumbnail URL', default=False)
-    verbosity.add_option('--get-description',
-            action='store_true', dest='getdescription',
-            help='simulate, quiet but print video description', default=False)
-    verbosity.add_option('--get-duration',
-            action='store_true', dest='getduration',
-            help='simulate, quiet but print video length', default=False)
-    verbosity.add_option('--get-filename',
-            action='store_true', dest='getfilename',
-            help='simulate, quiet but print output filename', default=False)
-    verbosity.add_option('--get-format',
-            action='store_true', dest='getformat',
-            help='simulate, quiet but print output format', default=False)
-    verbosity.add_option('-j', '--dump-json',
-            action='store_true', dest='dumpjson',
-            help='simulate, quiet but print JSON information. See --output for a description of available keys.', default=False)
-    verbosity.add_option('--newline',
-            action='store_true', dest='progress_with_newline', help='output progress bar as new lines', default=False)
-    verbosity.add_option('--no-progress',
-            action='store_true', dest='noprogress', help='do not print progress bar', default=False)
-    verbosity.add_option('--console-title',
-            action='store_true', dest='consoletitle',
-            help='display progress in console titlebar', default=False)
-    verbosity.add_option('-v', '--verbose',
-            action='store_true', dest='verbose', help='print various debugging information', default=False)
-    verbosity.add_option('--dump-intermediate-pages',
-            action='store_true', dest='dump_intermediate_pages', default=False,
-            help='print downloaded pages to debug problems (very verbose)')
-    verbosity.add_option('--write-pages',
-            action='store_true', dest='write_pages', default=False,
-            help='Write downloaded intermediary pages to files in the current directory to debug problems')
-    verbosity.add_option('--youtube-print-sig-code',
-            action='store_true', dest='youtube_print_sig_code', default=False,
-            help=optparse.SUPPRESS_HELP)
-    verbosity.add_option('--print-traffic',
-            dest='debug_printtraffic', action='store_true', default=False,
-            help='Display sent and read HTTP traffic')
-
-
-    filesystem.add_option('-a', '--batch-file',
-            dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
-    filesystem.add_option('--id',
-            action='store_true', dest='useid', help='use only video ID in file name', default=False)
-    filesystem.add_option('-A', '--auto-number',
-            action='store_true', dest='autonumber',
-            help='number downloaded files starting from 00000', default=False)
-    filesystem.add_option('-o', '--output',
-            dest='outtmpl', metavar='TEMPLATE',
-            help=('output filename template. Use %(title)s to get the title, '
-                  '%(uploader)s for the uploader name, %(uploader_id)s for the uploader nickname if different, '
-                  '%(autonumber)s to get an automatically incremented number, '
-                  '%(ext)s for the filename extension, '
-                  '%(format)s for the format description (like "22 - 1280x720" or "HD"), '
-                  '%(format_id)s for the unique id of the format (like Youtube\'s itags: "137"), '
-                  '%(upload_date)s for the upload date (YYYYMMDD), '
-                  '%(extractor)s for the provider (youtube, metacafe, etc), '
-                  '%(id)s for the video id, %(playlist)s for the playlist the video is in, '
-                  '%(playlist_index)s for the position in the playlist and %% for a literal percent. '
-                  '%(height)s and %(width)s for the width and height of the video format. '
-                  '%(resolution)s for a textual description of the resolution of the video format. '
-                  'Use - to output to stdout. Can also be used to download to a different directory, '
-                  'for example with -o \'/my/downloads/%(uploader)s/%(title)s-%(id)s.%(ext)s\' .'))
-    filesystem.add_option('--autonumber-size',
-            dest='autonumber_size', metavar='NUMBER',
-            help='Specifies the number of digits in %(autonumber)s when it is present in output filename template or --auto-number option is given')
-    filesystem.add_option('--restrict-filenames',
-            action='store_true', dest='restrictfilenames',
-            help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames', default=False)
-    filesystem.add_option('-t', '--title',
-            action='store_true', dest='usetitle', help='[deprecated] use title in file name (default)', default=False)
-    filesystem.add_option('-l', '--literal',
-            action='store_true', dest='usetitle', help='[deprecated] alias of --title', default=False)
-    filesystem.add_option('-w', '--no-overwrites',
-            action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
-    filesystem.add_option('-c', '--continue',
-            action='store_true', dest='continue_dl', help='force resume of partially downloaded files. By default, youtube-dl will resume downloads if possible.', default=True)
-    filesystem.add_option('--no-continue',
-            action='store_false', dest='continue_dl',
-            help='do not resume partially downloaded files (restart from beginning)')
-    filesystem.add_option('--no-part',
-            action='store_true', dest='nopart', help='do not use .part files', default=False)
-    filesystem.add_option('--no-mtime',
-            action='store_false', dest='updatetime',
-            help='do not use the Last-modified header to set the file modification time', default=True)
-    filesystem.add_option('--write-description',
-            action='store_true', dest='writedescription',
-            help='write video description to a .description file', default=False)
-    filesystem.add_option('--write-info-json',
-            action='store_true', dest='writeinfojson',
-            help='write video metadata to a .info.json file', default=False)
-    filesystem.add_option('--write-annotations',
-            action='store_true', dest='writeannotations',
-            help='write video annotations to a .annotation file', default=False)
-    filesystem.add_option('--write-thumbnail',
-            action='store_true', dest='writethumbnail',
-            help='write thumbnail image to disk', default=False)
-    filesystem.add_option('--load-info',
-            dest='load_info_filename', metavar='FILE',
-            help='json file containing the video information (created with the "--write-json" option)')
-    filesystem.add_option('--cookies',
-            dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
+    verbosity.add_option(
+        '-s', '--simulate',
+        action='store_true', dest='simulate', default=False,
+        help='do not download the video and do not write anything to disk',)
+    verbosity.add_option(
+        '--skip-download',
+        action='store_true', dest='skip_download', default=False,
+        help='do not download the video',)
+    verbosity.add_option(
+        '-g', '--get-url',
+        action='store_true', dest='geturl', default=False,
+        help='simulate, quiet but print URL')
+    verbosity.add_option(
+        '-e', '--get-title',
+        action='store_true', dest='gettitle', default=False,
+        help='simulate, quiet but print title')
+    verbosity.add_option(
+        '--get-id',
+        action='store_true', dest='getid', default=False,
+        help='simulate, quiet but print id')
+    verbosity.add_option(
+        '--get-thumbnail',
+        action='store_true', dest='getthumbnail', default=False,
+        help='simulate, quiet but print thumbnail URL')
+    verbosity.add_option(
+        '--get-description',
+        action='store_true', dest='getdescription', default=False,
+        help='simulate, quiet but print video description')
+    verbosity.add_option(
+        '--get-duration',
+        action='store_true', dest='getduration', default=False,
+        help='simulate, quiet but print video length')
+    verbosity.add_option(
+        '--get-filename',
+        action='store_true', dest='getfilename', default=False,
+        help='simulate, quiet but print output filename')
+    verbosity.add_option(
+        '--get-format',
+        action='store_true', dest='getformat', default=False,
+        help='simulate, quiet but print output format')
+    verbosity.add_option(
+        '-j', '--dump-json',
+        action='store_true', dest='dumpjson', default=False,
+        help='simulate, quiet but print JSON information. See --output for a description of available keys.')
+    verbosity.add_option(
+        '--newline',
+        action='store_true', dest='progress_with_newline', default=False,
+        help='output progress bar as new lines')
+    verbosity.add_option(
+        '--no-progress',
+        action='store_true', dest='noprogress', default=False,
+        help='do not print progress bar')
+    verbosity.add_option(
+        '--console-title',
+        action='store_true', dest='consoletitle', default=False,
+        help='display progress in console titlebar')
+    verbosity.add_option(
+        '-v', '--verbose',
+        action='store_true', dest='verbose', default=False,
+        help='print various debugging information')
+    verbosity.add_option(
+        '--dump-intermediate-pages',
+        action='store_true', dest='dump_intermediate_pages', default=False,
+        help='print downloaded pages to debug problems (very verbose)')
+    verbosity.add_option(
+        '--write-pages',
+        action='store_true', dest='write_pages', default=False,
+        help='Write downloaded intermediary pages to files in the current directory to debug problems')
+    verbosity.add_option(
+        '--youtube-print-sig-code',
+        action='store_true', dest='youtube_print_sig_code', default=False,
+        help=optparse.SUPPRESS_HELP)
+    verbosity.add_option(
+        '--print-traffic',
+        dest='debug_printtraffic', action='store_true', default=False,
+        help='Display sent and read HTTP traffic')
+
+    filesystem = optparse.OptionGroup(parser, 'Filesystem Options')
+    filesystem.add_option(
+        '-a', '--batch-file',
+        dest='batchfile', metavar='FILE',
+        help='file containing URLs to download (\'-\' for stdin)')
+    filesystem.add_option(
+        '--id', default=False,
+        action='store_true', dest='useid', help='use only video ID in file name')
+    filesystem.add_option(
+        '-A', '--auto-number',
+        action='store_true', dest='autonumber', default=False,
+        help='number downloaded files starting from 00000')
+    filesystem.add_option(
+        '-o', '--output',
+        dest='outtmpl', metavar='TEMPLATE',
+        help=('output filename template. Use %(title)s to get the title, '
+              '%(uploader)s for the uploader name, %(uploader_id)s for the uploader nickname if different, '
+              '%(autonumber)s to get an automatically incremented number, '
+              '%(ext)s for the filename extension, '
+              '%(format)s for the format description (like "22 - 1280x720" or "HD"), '
+              '%(format_id)s for the unique id of the format (like Youtube\'s itags: "137"), '
+              '%(upload_date)s for the upload date (YYYYMMDD), '
+              '%(extractor)s for the provider (youtube, metacafe, etc), '
+              '%(id)s for the video id, %(playlist)s for the playlist the video is in, '
+              '%(playlist_index)s for the position in the playlist and %% for a literal percent. '
+              '%(height)s and %(width)s for the width and height of the video format. '
+              '%(resolution)s for a textual description of the resolution of the video format. '
+              'Use - to output to stdout. Can also be used to download to a different directory, '
+              'for example with -o \'/my/downloads/%(uploader)s/%(title)s-%(id)s.%(ext)s\' .'))
+    filesystem.add_option(
+        '--autonumber-size',
+        dest='autonumber_size', metavar='NUMBER',
+        help='Specifies the number of digits in %(autonumber)s when it is present in output filename template or --auto-number option is given')
+    filesystem.add_option(
+        '--restrict-filenames',
+        action='store_true', dest='restrictfilenames', default=False,
+        help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames')
+    filesystem.add_option(
+        '-t', '--title',
+        action='store_true', dest='usetitle', default=False,
+        help='[deprecated] use title in file name (default)')
+    filesystem.add_option(
+        '-l', '--literal', default=False,
+        action='store_true', dest='usetitle',
+        help='[deprecated] alias of --title')
+    filesystem.add_option(
+        '-w', '--no-overwrites',
+        action='store_true', dest='nooverwrites', default=False,
+        help='do not overwrite files')
+    filesystem.add_option(
+        '-c', '--continue',
+        action='store_true', dest='continue_dl', default=True,
+        help='force resume of partially downloaded files. By default, youtube-dl will resume downloads if possible.')
+    filesystem.add_option(
+        '--no-continue',
+        action='store_false', dest='continue_dl',
+        help='do not resume partially downloaded files (restart from beginning)')
+    filesystem.add_option(
+        '--no-part',
+        action='store_true', dest='nopart', default=False,
+        help='do not use .part files - write directly into output file')
+    filesystem.add_option(
+        '--no-mtime',
+        action='store_false', dest='updatetime', default=True,
+        help='do not use the Last-modified header to set the file modification time')
+    filesystem.add_option(
+        '--write-description',
+        action='store_true', dest='writedescription', default=False,
+        help='write video description to a .description file')
+    filesystem.add_option(
+        '--write-info-json',
+        action='store_true', dest='writeinfojson', default=False,
+        help='write video metadata to a .info.json file')
+    filesystem.add_option(
+        '--write-annotations',
+        action='store_true', dest='writeannotations', default=False,
+        help='write video annotations to a .annotation file')
+    filesystem.add_option(
+        '--write-thumbnail',
+        action='store_true', dest='writethumbnail', default=False,
+        help='write thumbnail image to disk')
+    filesystem.add_option(
+        '--load-info',
+        dest='load_info_filename', metavar='FILE',
+        help='json file containing the video information (created with the "--write-json" option)')
+    filesystem.add_option(
+        '--cookies',
+        dest='cookiefile', metavar='FILE',
+        help='file to read cookies from and dump cookie jar in')
     filesystem.add_option(
         '--cache-dir', dest='cachedir', default=None, metavar='DIR',
         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.')
@@ -412,36 +537,61 @@ def parseOpts(overrideArguments=None):
         '--no-cache-dir', action='store_const', const=False, dest='cachedir',
         help='Disable filesystem caching')
     filesystem.add_option(
-        '--rm-cache-dir', action='store_true', dest='rm_cachedir',
+        '--rm-cache-dir',
+        action='store_true', dest='rm_cachedir',
         help='Delete all filesystem cache files')
 
-
-    postproc.add_option('-x', '--extract-audio', action='store_true', dest='extractaudio', default=False,
-            help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
-    postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
-            help='"best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; best by default')
-    postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='5',
-            help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)')
-    postproc.add_option('--recode-video', metavar='FORMAT', dest='recodevideo', default=None,
-            help='Encode the video to another format if necessary (currently supported: mp4|flv|ogg|webm|mkv)')
-    postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
-            help='keeps the video file on disk after the post-processing; the video is erased by default')
-    postproc.add_option('--no-post-overwrites', action='store_true', dest='nopostoverwrites', default=False,
-            help='do not overwrite post-processed files; the post-processed files are overwritten by default')
-    postproc.add_option('--embed-subs', action='store_true', dest='embedsubtitles', default=False,
-            help='embed subtitles in the video (only for mp4 videos)')
-    postproc.add_option('--embed-thumbnail', action='store_true', dest='embedthumbnail', default=False,
-            help='embed thumbnail in the audio as cover art')
-    postproc.add_option('--add-metadata', action='store_true', dest='addmetadata', default=False,
-            help='write metadata to the video file')
-    postproc.add_option('--xattrs', action='store_true', dest='xattrs', default=False,
-            help='write metadata to the video file\'s xattrs (using dublin core and xdg standards)')
-    postproc.add_option('--prefer-avconv', action='store_false', dest='prefer_ffmpeg',
+    postproc = optparse.OptionGroup(parser, 'Post-processing Options')
+    postproc.add_option(
+        '-x', '--extract-audio',
+        action='store_true', dest='extractaudio', default=False,
+        help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
+    postproc.add_option(
+        '--audio-format', metavar='FORMAT', dest='audioformat', default='best',
+        help='"best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; "%default" by default')
+    postproc.add_option(
+        '--audio-quality', metavar='QUALITY',
+        dest='audioquality', default='5',
+        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)')
+    postproc.add_option(
+        '--recode-video',
+        metavar='FORMAT', dest='recodevideo', default=None,
+        help='Encode the video to another format if necessary (currently supported: mp4|flv|ogg|webm|mkv)')
+    postproc.add_option(
+        '-k', '--keep-video',
+        action='store_true', dest='keepvideo', default=False,
+        help='keeps the video file on disk after the post-processing; the video is erased by default')
+    postproc.add_option(
+        '--no-post-overwrites',
+        action='store_true', dest='nopostoverwrites', default=False,
+        help='do not overwrite post-processed files; the post-processed files are overwritten by default')
+    postproc.add_option(
+        '--embed-subs',
+        action='store_true', dest='embedsubtitles', default=False,
+        help='embed subtitles in the video (only for mp4 videos)')
+    postproc.add_option(
+        '--embed-thumbnail',
+        action='store_true', dest='embedthumbnail', default=False,
+        help='embed thumbnail in the audio as cover art')
+    postproc.add_option(
+        '--add-metadata',
+        action='store_true', dest='addmetadata', default=False,
+        help='write metadata to the video file')
+    postproc.add_option(
+        '--xattrs',
+        action='store_true', dest='xattrs', default=False,
+        help='write metadata to the video file\'s xattrs (using dublin core and xdg standards)')
+    postproc.add_option(
+        '--prefer-avconv',
+        action='store_false', dest='prefer_ffmpeg',
         help='Prefer avconv over ffmpeg for running the postprocessors (default)')
-    postproc.add_option('--prefer-ffmpeg', action='store_true', dest='prefer_ffmpeg',
+    postproc.add_option(
+        '--prefer-ffmpeg',
+        action='store_true', dest='prefer_ffmpeg',
         help='Prefer ffmpeg over avconv for running the postprocessors')
     postproc.add_option(
-        '--exec', metavar='CMD', dest='exec_cmd',
+        '--exec',
+        metavar='CMD', dest='exec_cmd',
         help='Execute a command on the file after downloading, similar to find\'s -exec syntax. Example: --exec \'adb push {} /sdcard/Music/ && rm {}\'' )
 
     parser.add_option_group(general)
@@ -458,7 +608,7 @@ def parseOpts(overrideArguments=None):
     if overrideArguments is not None:
         opts, args = parser.parse_args(overrideArguments)
         if opts.verbose:
-            write_string(u'[debug] Override config: ' + repr(overrideArguments) + '\n')
+            write_string('[debug] Override config: ' + repr(overrideArguments) + '\n')
     else:
         commandLineConf = sys.argv[1:]
         if '--ignore-config' in commandLineConf:
@@ -474,8 +624,8 @@ def parseOpts(overrideArguments=None):
 
         opts, args = parser.parse_args(argv)
         if opts.verbose:
-            write_string(u'[debug] System config: ' + repr(_hide_login_info(systemConf)) + '\n')
-            write_string(u'[debug] User config: ' + repr(_hide_login_info(userConf)) + '\n')
-            write_string(u'[debug] Command-line args: ' + repr(_hide_login_info(commandLineConf)) + '\n')
+            write_string('[debug] System config: ' + repr(_hide_login_info(systemConf)) + '\n')
+            write_string('[debug] User config: ' + repr(_hide_login_info(userConf)) + '\n')
+            write_string('[debug] Command-line args: ' + repr(_hide_login_info(commandLineConf)) + '\n')
 
     return parser, opts, args