[options] Move all options to their own file

2 files changed, 480 insertions, 473 deletions

diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index 8f1a1a232..cc0a4071f 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -81,10 +81,8 @@ __license__ = 'Public Domain'
 
 import codecs
 import io
-import optparse
 import os
 import random
-import shlex
 import sys
 
 
@@ -94,9 +92,9 @@ from .utils import (
     DateRange,
     DEFAULT_OUTTMPL,
     decodeOption,
-    get_term_width,
     DownloadError,
     MaxDownloadsReached,
+    parseOpts,
     preferredencoding,
     read_batch_urls,
     SameFileError,
@@ -109,7 +107,6 @@ from .downloader import (
     FileDownloader,
 )
 from .extractor import gen_extractors
-from .version import __version__
 from .YoutubeDL import YoutubeDL
 from .postprocessor import (
     AtomicParsleyPP,
@@ -123,475 +120,6 @@ from .postprocessor import (
 )
 
 
-def parseOpts(overrideArguments=None):
-    def _readOptions(filename_bytes, default=[]):
-        try:
-            optionf = open(filename_bytes)
-        except IOError:
-            return default  # silently skip if file is not present
-        try:
-            res = []
-            for l in optionf:
-                res += shlex.split(l, comments=True)
-        finally:
-            optionf.close()
-        return res
-
-    def _readUserConf():
-        xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
-        if xdg_config_home:
-            userConfFile = os.path.join(xdg_config_home, 'youtube-dl', 'config')
-            if not os.path.isfile(userConfFile):
-                userConfFile = os.path.join(xdg_config_home, 'youtube-dl.conf')
-        else:
-            userConfFile = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl', 'config')
-            if not os.path.isfile(userConfFile):
-                userConfFile = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
-        userConf = _readOptions(userConfFile, None)
-
-        if userConf is None:
-            appdata_dir = os.environ.get('appdata')
-            if appdata_dir:
-                userConf = _readOptions(
-                    os.path.join(appdata_dir, 'youtube-dl', 'config'),
-                    default=None)
-                if userConf is None:
-                    userConf = _readOptions(
-                        os.path.join(appdata_dir, 'youtube-dl', 'config.txt'),
-                        default=None)
-
-        if userConf is None:
-            userConf = _readOptions(
-                os.path.join(os.path.expanduser('~'), 'youtube-dl.conf'),
-                default=None)
-        if userConf is None:
-            userConf = _readOptions(
-                os.path.join(os.path.expanduser('~'), 'youtube-dl.conf.txt'),
-                default=None)
-
-        if userConf is None:
-            userConf = []
-
-        return userConf
-
-    def _format_option_string(option):
-        ''' ('-o', '--option') -> -o, --format METAVAR'''
-
-        opts = []
-
-        if option._short_opts:
-            opts.append(option._short_opts[0])
-        if option._long_opts:
-            opts.append(option._long_opts[0])
-        if len(opts) > 1:
-            opts.insert(1, ', ')
-
-        if option.takes_value(): opts.append(' %s' % option.metavar)
-
-        return "".join(opts)
-
-    def _comma_separated_values_options_callback(option, opt_str, value, parser):
-        setattr(parser.values, option.dest, value.split(','))
-
-    def _hide_login_info(opts):
-        opts = list(opts)
-        for private_opt in ['-p', '--password', '-u', '--username', '--video-password']:
-            try:
-                i = opts.index(private_opt)
-                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
-
-    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',
-    }
-
-    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.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')
-    general.add_option(
-        '--default-search',
-        dest='default_search', metavar='PREFIX',
-        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.')
-    general.add_option(
-        '--ignore-config',
-        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.add_option(
-        '--playlist-start',
-        dest='playliststart', metavar='NUMBER', default=1, type=int,
-        help='playlist video to start at (default is %default)')
-    selection.add_option(
-        '--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,
-        help='download only videos uploaded on or before this date (i.e. inclusive)')
-    selection.add_option(
-        '--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",)
-    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.')
-    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,
-        help='Try to download the DASH manifest on YouTube videos (experimental)')
-
-    authentication.add_option('-u', '--username',
-            dest='username', metavar='USERNAME', help='account username')
-    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" 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.')
-    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)
-
-    workarounds.add_option(
-        '--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,
-        help='Suppress HTTPS certificate validation.')
-    workarounds.add_option(
-        '--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')
-    workarounds.add_option(
-        '--referer', metavar='REF',
-        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',
-        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')
-
-    verbosity.add_option('-q', '--quiet',
-            action='store_true', dest='quiet', help='activates quiet mode', default=False)
-    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')
-    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.')
-    filesystem.add_option(
-        '--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',
-        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',
-        help='Prefer avconv over ffmpeg for running the postprocessors (default)')
-    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',
-        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)
-    parser.add_option_group(selection)
-    parser.add_option_group(downloader)
-    parser.add_option_group(filesystem)
-    parser.add_option_group(verbosity)
-    parser.add_option_group(workarounds)
-    parser.add_option_group(video_format)
-    parser.add_option_group(subtitles)
-    parser.add_option_group(authentication)
-    parser.add_option_group(postproc)
-
-    if overrideArguments is not None:
-        opts, args = parser.parse_args(overrideArguments)
-        if opts.verbose:
-            write_string(u'[debug] Override config: ' + repr(overrideArguments) + '\n')
-    else:
-        commandLineConf = sys.argv[1:]
-        if '--ignore-config' in commandLineConf:
-            systemConf = []
-            userConf = []
-        else:
-            systemConf = _readOptions('/etc/youtube-dl.conf')
-            if '--ignore-config' in systemConf:
-                userConf = []
-            else:
-                userConf = _readUserConf()
-        argv = systemConf + userConf + commandLineConf
-
-        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')
-
-    return parser, opts, args
-
-
 def _real_main(argv=None):
     # Compatibility fixes for Windows
     if sys.platform == 'win32':
diff --git a/youtube_dl/options.py b/youtube_dl/options.py
new file mode 100644
index 000000000..d8c161c9e
--- /dev/null
+++ b/youtube_dl/options.py
@@ -0,0 +1,479 @@
+import os.path
+import optparse
+import shlex
+import sys
+
+from .utils import (
+    get_term_width,
+    write_string,
+)
+from .version import __version__
+
+
+def parseOpts(overrideArguments=None):
+    def _readOptions(filename_bytes, default=[]):
+        try:
+            optionf = open(filename_bytes)
+        except IOError:
+            return default  # silently skip if file is not present
+        try:
+            res = []
+            for l in optionf:
+                res += shlex.split(l, comments=True)
+        finally:
+            optionf.close()
+        return res
+
+    def _readUserConf():
+        xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
+        if xdg_config_home:
+            userConfFile = os.path.join(xdg_config_home, 'youtube-dl', 'config')
+            if not os.path.isfile(userConfFile):
+                userConfFile = os.path.join(xdg_config_home, 'youtube-dl.conf')
+        else:
+            userConfFile = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl', 'config')
+            if not os.path.isfile(userConfFile):
+                userConfFile = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
+        userConf = _readOptions(userConfFile, None)
+
+        if userConf is None:
+            appdata_dir = os.environ.get('appdata')
+            if appdata_dir:
+                userConf = _readOptions(
+                    os.path.join(appdata_dir, 'youtube-dl', 'config'),
+                    default=None)
+                if userConf is None:
+                    userConf = _readOptions(
+                        os.path.join(appdata_dir, 'youtube-dl', 'config.txt'),
+                        default=None)
+
+        if userConf is None:
+            userConf = _readOptions(
+                os.path.join(os.path.expanduser('~'), 'youtube-dl.conf'),
+                default=None)
+        if userConf is None:
+            userConf = _readOptions(
+                os.path.join(os.path.expanduser('~'), 'youtube-dl.conf.txt'),
+                default=None)
+
+        if userConf is None:
+            userConf = []
+
+        return userConf
+
+    def _format_option_string(option):
+        ''' ('-o', '--option') -> -o, --format METAVAR'''
+
+        opts = []
+
+        if option._short_opts:
+            opts.append(option._short_opts[0])
+        if option._long_opts:
+            opts.append(option._long_opts[0])
+        if len(opts) > 1:
+            opts.insert(1, ', ')
+
+        if option.takes_value(): opts.append(' %s' % option.metavar)
+
+        return "".join(opts)
+
+    def _comma_separated_values_options_callback(option, opt_str, value, parser):
+        setattr(parser.values, option.dest, value.split(','))
+
+    def _hide_login_info(opts):
+        opts = list(opts)
+        for private_opt in ['-p', '--password', '-u', '--username', '--video-password']:
+            try:
+                i = opts.index(private_opt)
+                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
+
+    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',
+    }
+
+    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.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')
+    general.add_option(
+        '--default-search',
+        dest='default_search', metavar='PREFIX',
+        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.')
+    general.add_option(
+        '--ignore-config',
+        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.add_option(
+        '--playlist-start',
+        dest='playliststart', metavar='NUMBER', default=1, type=int,
+        help='playlist video to start at (default is %default)')
+    selection.add_option(
+        '--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,
+        help='download only videos uploaded on or before this date (i.e. inclusive)')
+    selection.add_option(
+        '--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",)
+    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.')
+    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,
+        help='Try to download the DASH manifest on YouTube videos (experimental)')
+
+    authentication.add_option('-u', '--username',
+            dest='username', metavar='USERNAME', help='account username')
+    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" 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.')
+    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)
+
+    workarounds.add_option(
+        '--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,
+        help='Suppress HTTPS certificate validation.')
+    workarounds.add_option(
+        '--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')
+    workarounds.add_option(
+        '--referer', metavar='REF',
+        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',
+        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')
+
+    verbosity.add_option('-q', '--quiet',
+            action='store_true', dest='quiet', help='activates quiet mode', default=False)
+    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')
+    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.')
+    filesystem.add_option(
+        '--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',
+        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',
+        help='Prefer avconv over ffmpeg for running the postprocessors (default)')
+    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',
+        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)
+    parser.add_option_group(selection)
+    parser.add_option_group(downloader)
+    parser.add_option_group(filesystem)
+    parser.add_option_group(verbosity)
+    parser.add_option_group(workarounds)
+    parser.add_option_group(video_format)
+    parser.add_option_group(subtitles)
+    parser.add_option_group(authentication)
+    parser.add_option_group(postproc)
+
+    if overrideArguments is not None:
+        opts, args = parser.parse_args(overrideArguments)
+        if opts.verbose:
+            write_string(u'[debug] Override config: ' + repr(overrideArguments) + '\n')
+    else:
+        commandLineConf = sys.argv[1:]
+        if '--ignore-config' in commandLineConf:
+            systemConf = []
+            userConf = []
+        else:
+            systemConf = _readOptions('/etc/youtube-dl.conf')
+            if '--ignore-config' in systemConf:
+                userConf = []
+            else:
+                userConf = _readUserConf()
+        argv = systemConf + userConf + commandLineConf
+
+        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')
+
+    return parser, opts, args