]> Raphaël G. Git Repositories - youtubedl/blobdiff - youtube_dl/__init__.py
Initiate new upload.
[youtubedl] / youtube_dl / __init__.py
index 0122f725ab5e3fc3664cab610f608930cbbb53be..63437301b6fb43f360856646184f7161e2d76c3b 100644 (file)
 # -*- coding: utf-8 -*-
 
 __authors__  = (
-       'Ricardo Garcia Gonzalez',
-       'Danny Colligan',
-       'Benjamin Johnson',
-       'Vasyl\' Vavrychuk',
-       'Witold Baryluk',
-       'Paweł Paprota',
-       'Gergely Imreh',
-       'Rogério Brito',
-       'Philipp Hagemeister',
-       'Sören Schulze',
-       'Kevin Ngo',
-       'Ori Avtalion',
-       'shizeeg',
-       'Filippo Valsorda',
-       )
+    'Ricardo Garcia Gonzalez',
+    'Danny Colligan',
+    'Benjamin Johnson',
+    'Vasyl\' Vavrychuk',
+    'Witold Baryluk',
+    'Paweł Paprota',
+    'Gergely Imreh',
+    'Rogério Brito',
+    'Philipp Hagemeister',
+    'Sören Schulze',
+    'Kevin Ngo',
+    'Ori Avtalion',
+    'shizeeg',
+    'Filippo Valsorda',
+    'Christian Albrecht',
+    'Dave Vasilevsky',
+    'Jaime Marquínez Ferrándiz',
+    'Jeff Crouse',
+    'Osama Khalid',
+    'Michael Walter',
+    'M. Yasoob Ullah Khalid',
+    'Julien Fraichard',
+    'Johny Mo Swag',
+    'Axel Noack',
+    'Albert Kim',
+    'Pierre Rudloff',
+    'Huarong Huo',
+    'Ismael Mejía',
+    'Steffan \'Ruirize\' James',
+    'Andras Elso',
+    'Jelle van der Waa',
+    'Marcin Cieślak',
+    'Anton Larionov',
+    'Takuya Tsuchida',
+    'Sergey M.',
+    'Michael Orlitzky',
+)
 
 __license__ = 'Public Domain'
-__version__ = '2012.09.27'
 
-UPDATE_URL = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl'
-UPDATE_URL_VERSION = 'https://raw.github.com/rg3/youtube-dl/master/LATEST_VERSION'
-UPDATE_URL_EXE = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl.exe'
-
-
-import cookielib
+import codecs
 import getpass
 import optparse
 import os
+import random
 import re
 import shlex
-import socket
-import subprocess
 import sys
-import urllib2
-import warnings
-
-from utils import *
-from FileDownloader import *
-from InfoExtractors import *
-from PostProcessor import *
-
-def updateSelf(downloader, filename):
-       ''' Update the program file with the latest version from the repository '''
-       # Note: downloader only used for options
-       
-       if not os.access(filename, os.W_OK):
-               sys.exit('ERROR: no write permissions on %s' % filename)
-
-       downloader.to_screen(u'Updating to latest version...')
-
-       urlv = urllib2.urlopen(UPDATE_URL_VERSION)
-       newversion = urlv.read().strip()
-       if newversion == __version__:
-               downloader.to_screen(u'youtube-dl is up-to-date (' + __version__ + ')')
-               return
-       urlv.close()
-
-       if hasattr(sys, "frozen"): #py2exe
-               exe = os.path.abspath(filename)
-               directory = os.path.dirname(exe)
-               if not os.access(directory, os.W_OK):
-                       sys.exit('ERROR: no write permissions on %s' % directory)
-                       
-               try:
-                       urlh = urllib2.urlopen(UPDATE_URL_EXE)
-                       newcontent = urlh.read()
-                       urlh.close()
-                       with open(exe + '.new', 'wb') as outf:
-                               outf.write(newcontent)
-               except (IOError, OSError), err:
-                       sys.exit('ERROR: unable to download latest version')
-                       
-               try:
-                       bat = os.path.join(directory, 'youtube-dl-updater.bat')
-                       b = open(bat, 'w')
-                       
-                       print >> b, """
-echo Updating youtube-dl...
-ping 127.0.0.1 -n 5 -w 1000 > NUL
-move /Y "%s.new" "%s"
-del "%s"
-                       """ %(exe, exe, bat)
-                       
-                       b.close()
-                       
-                       os.startfile(bat)
-               except (IOError, OSError), err:
-                       sys.exit('ERROR: unable to overwrite current version')
-
-       else:
-               try:
-                       urlh = urllib2.urlopen(UPDATE_URL)
-                       newcontent = urlh.read()
-                       urlh.close()
-               except (IOError, OSError), err:
-                       sys.exit('ERROR: unable to download latest version')
-
-               try:
-                       with open(filename, 'wb') as outf:
-                               outf.write(newcontent)
-               except (IOError, OSError), err:
-                       sys.exit('ERROR: unable to overwrite current version')
-
-       downloader.to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.')
-
-def parseOpts():
-       def _readOptions(filename_bytes):
-               try:
-                       optionf = open(filename_bytes)
-               except IOError:
-                       return [] # 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 _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 _find_term_columns():
-               columns = os.environ.get('COLUMNS', None)
-               if columns:
-                       return int(columns)
-
-               try:
-                       sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-                       out,err = sp.communicate()
-                       return int(out.split()[1])
-               except:
-                       pass
-               return None
-
-       max_width = 80
-       max_help_position = 80
-
-       # No need to wrap help messages if we're on a wide console
-       columns = _find_term_columns()
-       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')
-       postproc       = optparse.OptionGroup(parser, 'Post-processing Options')
-       filesystem     = optparse.OptionGroup(parser, 'Filesystem Options')
-       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')
-       general.add_option('-i', '--ignore-errors',
-                       action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
-       general.add_option('-r', '--rate-limit',
-                       dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
-       general.add_option('-R', '--retries',
-                       dest='retries', metavar='RETRIES', help='number of retries (default is 10)', default=10)
-       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)
-
-       selection.add_option('--playlist-start',
-                       dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is 1)', default=1)
-       selection.add_option('--playlist-end',
-                       dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
-       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', help='Abort after downloading NUMBER files', default=None)
-
-       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('-n', '--netrc',
-                       action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
-
-
-       video_format.add_option('-f', '--format',
-                       action='store', dest='format', metavar='FORMAT', help='video format code')
-       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 (currently youtube only)')
-       video_format.add_option('--write-srt',
-                       action='store_true', dest='writesubtitles',
-                       help='write video closed captions to a .srt file (currently youtube only)', default=False)
-       video_format.add_option('--srt-lang',
-                       action='store', dest='subtitleslang', metavar='LANG',
-                       help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
-
-
-       verbosity.add_option('-q', '--quiet',
-                       action='store_true', dest='quiet', help='activates quiet mode', default=False)
-       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-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-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('--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)
-
-
-       filesystem.add_option('-t', '--title',
-                       action='store_true', dest='usetitle', help='use title in file name', default=False)
-       filesystem.add_option('-l', '--literal',
-                       action='store_true', dest='useliteral', help='use literal title 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 %(stitle)s to get the title, %(uploader)s for the uploader name, %(autonumber)s to get an automatically incremented number, %(ext)s for the filename extension, %(upload_date)s for the upload date (YYYYMMDD), and %% for a literal percent. Use - to output to stdout.')
-       filesystem.add_option('-a', '--batch-file',
-                       dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
-       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='resume partially downloaded files', 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('--cookies',
-                       dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
-       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)
-
-
-       postproc.add_option('--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", or "wav"; best by default')
-       postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K',
-                       help='ffmpeg/avconv audio bitrate specification, 128k by default')
-       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')
-
-
-       parser.add_option_group(general)
-       parser.add_option_group(selection)
-       parser.add_option_group(filesystem)
-       parser.add_option_group(verbosity)
-       parser.add_option_group(video_format)
-       parser.add_option_group(authentication)
-       parser.add_option_group(postproc)
-
-       xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
-       if xdg_config_home:
-               userConf = os.path.join(xdg_config_home, 'youtube-dl.conf')
-       else:
-               userConf = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
-       argv = _readOptions('/etc/youtube-dl.conf') + _readOptions(userConf) + sys.argv[1:]
-       opts, args = parser.parse_args(argv)
-
-       return parser, opts, args
-
-def gen_extractors():
-       """ Return a list of an instance of every supported extractor.
-       The order does matter; the first extractor matched is the one handling the URL.
-       """
-       return [
-               YoutubePlaylistIE(),
-               YoutubeUserIE(),
-               YoutubeSearchIE(),
-               YoutubeIE(),
-               MetacafeIE(),
-               DailymotionIE(),
-               GoogleIE(),
-               GoogleSearchIE(),
-               PhotobucketIE(),
-               YahooIE(),
-               YahooSearchIE(),
-               DepositFilesIE(),
-               FacebookIE(),
-               BlipTVUserIE(),
-               BlipTVIE(),
-               VimeoIE(),
-               MyVideoIE(),
-               ComedyCentralIE(),
-               EscapistIE(),
-               CollegeHumorIE(),
-               XVideosIE(),
-               SoundcloudIE(),
-               InfoQIE(),
-               MixcloudIE(),
-               StanfordOpenClassroomIE(),
-               MTVIE(),
-
-               GenericIE()
-       ]
-
-def _real_main():
-       parser, opts, args = parseOpts()
-
-       # Open appropriate CookieJar
-       if opts.cookiefile is None:
-               jar = cookielib.CookieJar()
-       else:
-               try:
-                       jar = cookielib.MozillaCookieJar(opts.cookiefile)
-                       if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
-                               jar.load()
-               except (IOError, OSError), err:
-                       sys.exit(u'ERROR: unable to open cookie file')
-
-       # Dump user agent
-       if opts.dump_user_agent:
-               print std_headers['User-Agent']
-               sys.exit(0)
-
-       # Batch file verification
-       batchurls = []
-       if opts.batchfile is not None:
-               try:
-                       if opts.batchfile == '-':
-                               batchfd = sys.stdin
-                       else:
-                               batchfd = open(opts.batchfile, 'r')
-                       batchurls = batchfd.readlines()
-                       batchurls = [x.strip() for x in batchurls]
-                       batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
-               except IOError:
-                       sys.exit(u'ERROR: batch file could not be read')
-       all_urls = batchurls + args
-       all_urls = map(lambda url: url.strip(), all_urls)
-
-       # General configuration
-       cookie_processor = urllib2.HTTPCookieProcessor(jar)
-       proxy_handler = urllib2.ProxyHandler()
-       opener = urllib2.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
-       urllib2.install_opener(opener)
-       socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
-
-       extractors = gen_extractors()
-
-       if opts.list_extractors:
-               for ie in extractors:
-                       print(ie.IE_NAME)
-                       matchedUrls = filter(lambda url: ie.suitable(url), all_urls)
-                       all_urls = filter(lambda url: url not in matchedUrls, all_urls)
-                       for mu in matchedUrls:
-                               print(u'  ' + mu)
-               sys.exit(0)
-
-       # Conflicting, missing and erroneous options
-       if opts.usenetrc and (opts.username is not None or opts.password is not None):
-               parser.error(u'using .netrc conflicts with giving username/password')
-       if opts.password is not None and opts.username is None:
-               parser.error(u'account username missing')
-       if opts.outtmpl is not None and (opts.useliteral or opts.usetitle or opts.autonumber):
-               parser.error(u'using output template conflicts with using title, literal title or auto number')
-       if opts.usetitle and opts.useliteral:
-               parser.error(u'using title conflicts with using literal title')
-       if opts.username is not None and opts.password is None:
-               opts.password = getpass.getpass(u'Type account password and press return:')
-       if opts.ratelimit is not None:
-               numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
-               if numeric_limit is None:
-                       parser.error(u'invalid rate limit specified')
-               opts.ratelimit = numeric_limit
-       if opts.retries is not None:
-               try:
-                       opts.retries = long(opts.retries)
-               except (TypeError, ValueError), err:
-                       parser.error(u'invalid retry count specified')
-       try:
-               opts.playliststart = int(opts.playliststart)
-               if opts.playliststart <= 0:
-                       raise ValueError(u'Playlist start must be positive')
-       except (TypeError, ValueError), err:
-               parser.error(u'invalid playlist start number specified')
-       try:
-               opts.playlistend = int(opts.playlistend)
-               if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
-                       raise ValueError(u'Playlist end must be greater than playlist start')
-       except (TypeError, ValueError), err:
-               parser.error(u'invalid playlist end number specified')
-       if opts.extractaudio:
-               if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
-                       parser.error(u'invalid audio format specified')
-
-       # File downloader
-       fd = FileDownloader({
-               'usenetrc': opts.usenetrc,
-               'username': opts.username,
-               'password': opts.password,
-               'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
-               'forceurl': opts.geturl,
-               'forcetitle': opts.gettitle,
-               'forcethumbnail': opts.getthumbnail,
-               'forcedescription': opts.getdescription,
-               'forcefilename': opts.getfilename,
-               'forceformat': opts.getformat,
-               'simulate': opts.simulate,
-               'skip_download': (opts.skip_download or opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
-               'format': opts.format,
-               'format_limit': opts.format_limit,
-               'listformats': opts.listformats,
-               'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
-                       or (opts.format == '-1' and opts.usetitle and u'%(stitle)s-%(id)s-%(format)s.%(ext)s')
-                       or (opts.format == '-1' and opts.useliteral and u'%(title)s-%(id)s-%(format)s.%(ext)s')
-                       or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
-                       or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(stitle)s-%(id)s.%(ext)s')
-                       or (opts.useliteral and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
-                       or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
-                       or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
-                       or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
-                       or u'%(id)s.%(ext)s'),
-               'ignoreerrors': opts.ignoreerrors,
-               'ratelimit': opts.ratelimit,
-               'nooverwrites': opts.nooverwrites,
-               'retries': opts.retries,
-               'continuedl': opts.continue_dl,
-               'noprogress': opts.noprogress,
-               'playliststart': opts.playliststart,
-               'playlistend': opts.playlistend,
-               'logtostderr': opts.outtmpl == '-',
-               'consoletitle': opts.consoletitle,
-               'nopart': opts.nopart,
-               'updatetime': opts.updatetime,
-               'writedescription': opts.writedescription,
-               'writeinfojson': opts.writeinfojson,
-               'writesubtitles': opts.writesubtitles,
-               'subtitleslang': opts.subtitleslang,
-               'matchtitle': opts.matchtitle,
-               'rejecttitle': opts.rejecttitle,
-               'max_downloads': opts.max_downloads,
-               'prefer_free_formats': opts.prefer_free_formats,
-               'verbose': opts.verbose,
-               })
-
-       if opts.verbose:
-               fd.to_screen(u'[debug] Proxy map: ' + str(proxy_handler.proxies))
-
-       for extractor in extractors:
-               fd.add_info_extractor(extractor)
-
-       # PostProcessors
-       if opts.extractaudio:
-               fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, keepvideo=opts.keepvideo))
-
-       # Update version
-       if opts.update_self:
-               updateSelf(fd, sys.argv[0])
-
-       # Maybe do nothing
-       if len(all_urls) < 1:
-               if not opts.update_self:
-                       parser.error(u'you must provide at least one URL')
-               else:
-                       sys.exit()
-       
-       try:
-               retcode = fd.download(all_urls)
-       except MaxDownloadsReached:
-               fd.to_screen(u'--max-download limit reached, aborting.')
-               retcode = 101
-
-       # Dump cookie jar if requested
-       if opts.cookiefile is not None:
-               try:
-                       jar.save()
-               except (IOError, OSError), err:
-                       sys.exit(u'ERROR: unable to save cookie jar')
-
-       sys.exit(retcode)
-
-def main():
-       try:
-               _real_main()
-       except DownloadError:
-               sys.exit(1)
-       except SameFileError:
-               sys.exit(u'ERROR: fixed output name but more than one file to download')
-       except KeyboardInterrupt:
-               sys.exit(u'\nERROR: Interrupted by user')
+
+
+from .utils import (
+    compat_print,
+    DateRange,
+    decodeOption,
+    get_term_width,
+    DownloadError,
+    get_cachedir,
+    MaxDownloadsReached,
+    preferredencoding,
+    SameFileError,
+    setproctitle,
+    std_headers,
+    write_string,
+)
+from .update import update_self
+from .FileDownloader import (
+    FileDownloader,
+)
+from .extractor import gen_extractors
+from .version import __version__
+from .YoutubeDL import YoutubeDL
+from .PostProcessor import (
+    FFmpegMetadataPP,
+    FFmpegVideoConvertor,
+    FFmpegExtractAudioPP,
+    FFmpegEmbedSubtitlePP,
+)
+
+
+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 _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')
+    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 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('--user-agent',
+            dest='user_agent', help='specify a custom user agent', metavar='UA')
+    general.add_option('--referer',
+            dest='referer', help='specify a custom referer, use if the video access is restricted to one domain',
+            metavar='REF', default=None)
+    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('--no-check-certificate', action='store_true', dest='no_check_certificate', default=False, help='Suppress HTTPS certificate validation.')
+    general.add_option(
+        '--cache-dir', dest='cachedir', default=get_cachedir(), metavar='DIR',
+        help='Location in the filesystem where youtube-dl can store downloaded information permanently. By default $XDG_CACHE_HOME/youtube-dl or ~/.cache/youtube-dl .')
+    general.add_option(
+        '--no-cache-dir', action='store_const', const=None, dest='cachedir',
+        help='Disable filesystem caching')
+    general.add_option(
+        '--socket-timeout', dest='socket_timeout',
+        type=float, default=None, help=optparse.SUPPRESS_HELP)
+    general.add_option(
+        '--bidi-workaround', dest='bidi_workaround', action='store_true',
+        help=u'Work around terminals that lack bidirectional text support. Requires fribidi executable in PATH')
+
+
+    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', help='download only videos uploaded before this date', default=None)
+    selection.add_option('--dateafter', metavar='DATE', dest='dateafter', help='download only videos uploaded after this date', default=None)
+    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.')
+
+
+    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('-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 only)')
+
+
+    video_format.add_option('-f', '--format',
+            action='store', dest='format', metavar='FORMAT', default='best',
+            help='video format code, specify the order of preference using slashes: "-f 22/17/18". "-f mp4" and "-f flv" are also supported')
+    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 (currently youtube only)')
+
+    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)
+
+    verbosity.add_option('-q', '--quiet',
+            action='store_true', dest='quiet', help='activates quiet mode', default=False)
+    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', 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)
+
+
+    filesystem.add_option('-t', '--title',
+            action='store_true', dest='usetitle', help='use title in file name (default)', default=False)
+    filesystem.add_option('--id',
+            action='store_true', dest='useid', help='use only video ID in file name', default=False)
+    filesystem.add_option('-l', '--literal',
+            action='store_true', dest='usetitle', help='[deprecated] alias of --title', 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. '
+                  '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('-a', '--batch-file',
+            dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
+    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('-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('--cookies',
+            dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
+    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)
+
+
+    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)')
+    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('--add-metadata', action='store_true', dest='addmetadata', default=False,
+            help='add metadata to the files')
+
+
+    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(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:
+        systemConf = _readOptions('/etc/youtube-dl.conf')
+
+        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 = []
+
+        commandLineConf = sys.argv[1:]
+        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':
+        # https://github.com/rg3/youtube-dl/issues/820
+        codecs.register(lambda name: codecs.lookup('utf-8') if name == 'cp65001' else None)
+
+    setproctitle(u'youtube-dl')
+
+    parser, opts, args = parseOpts(argv)
+
+    # Set user agent
+    if opts.user_agent is not None:
+        std_headers['User-Agent'] = opts.user_agent
+
+    # Set referer
+    if opts.referer is not None:
+        std_headers['Referer'] = opts.referer
+
+    # Dump user agent
+    if opts.dump_user_agent:
+        compat_print(std_headers['User-Agent'])
+        sys.exit(0)
+
+    # Batch file verification
+    batchurls = []
+    if opts.batchfile is not None:
+        try:
+            if opts.batchfile == '-':
+                batchfd = sys.stdin
+            else:
+                batchfd = open(opts.batchfile, 'r')
+            batchurls = batchfd.readlines()
+            batchurls = [x.strip() for x in batchurls]
+            batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
+            if opts.verbose:
+                write_string(u'[debug] Batch file urls: ' + repr(batchurls) + u'\n')
+        except IOError:
+            sys.exit(u'ERROR: batch file could not be read')
+    all_urls = batchurls + args
+    all_urls = [url.strip() for url in all_urls]
+
+    extractors = gen_extractors()
+
+    if opts.list_extractors:
+        for ie in sorted(extractors, key=lambda ie: ie.IE_NAME.lower()):
+            compat_print(ie.IE_NAME + (' (CURRENTLY BROKEN)' if not ie._WORKING else ''))
+            matchedUrls = [url for url in all_urls if ie.suitable(url)]
+            for mu in matchedUrls:
+                compat_print(u'  ' + mu)
+        sys.exit(0)
+    if opts.list_extractor_descriptions:
+        for ie in sorted(extractors, key=lambda ie: ie.IE_NAME.lower()):
+            if not ie._WORKING:
+                continue
+            desc = getattr(ie, 'IE_DESC', ie.IE_NAME)
+            if desc is False:
+                continue
+            if hasattr(ie, 'SEARCH_KEY'):
+                _SEARCHES = (u'cute kittens', u'slithering pythons', u'falling cat', u'angry poodle', u'purple fish', u'running tortoise')
+                _COUNTS = (u'', u'5', u'10', u'all')
+                desc += u' (Example: "%s%s:%s" )' % (ie.SEARCH_KEY, random.choice(_COUNTS), random.choice(_SEARCHES))
+            compat_print(desc)
+        sys.exit(0)
+
+
+    # Conflicting, missing and erroneous options
+    if opts.usenetrc and (opts.username is not None or opts.password is not None):
+        parser.error(u'using .netrc conflicts with giving username/password')
+    if opts.password is not None and opts.username is None:
+        parser.error(u' account username missing\n')
+    if opts.outtmpl is not None and (opts.usetitle or opts.autonumber or opts.useid):
+        parser.error(u'using output template conflicts with using title, video ID or auto number')
+    if opts.usetitle and opts.useid:
+        parser.error(u'using title conflicts with using video ID')
+    if opts.username is not None and opts.password is None:
+        opts.password = getpass.getpass(u'Type account password and press return:')
+    if opts.ratelimit is not None:
+        numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
+        if numeric_limit is None:
+            parser.error(u'invalid rate limit specified')
+        opts.ratelimit = numeric_limit
+    if opts.min_filesize is not None:
+        numeric_limit = FileDownloader.parse_bytes(opts.min_filesize)
+        if numeric_limit is None:
+            parser.error(u'invalid min_filesize specified')
+        opts.min_filesize = numeric_limit
+    if opts.max_filesize is not None:
+        numeric_limit = FileDownloader.parse_bytes(opts.max_filesize)
+        if numeric_limit is None:
+            parser.error(u'invalid max_filesize specified')
+        opts.max_filesize = numeric_limit
+    if opts.retries is not None:
+        try:
+            opts.retries = int(opts.retries)
+        except (TypeError, ValueError):
+            parser.error(u'invalid retry count specified')
+    if opts.buffersize is not None:
+        numeric_buffersize = FileDownloader.parse_bytes(opts.buffersize)
+        if numeric_buffersize is None:
+            parser.error(u'invalid buffer size specified')
+        opts.buffersize = numeric_buffersize
+    if opts.playliststart <= 0:
+        raise ValueError(u'Playlist start must be positive')
+    if opts.playlistend not in (-1, None) and opts.playlistend < opts.playliststart:
+        raise ValueError(u'Playlist end must be greater than playlist start')
+    if opts.extractaudio:
+        if opts.audioformat not in ['best', 'aac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav']:
+            parser.error(u'invalid audio format specified')
+    if opts.audioquality:
+        opts.audioquality = opts.audioquality.strip('k').strip('K')
+        if not opts.audioquality.isdigit():
+            parser.error(u'invalid audio quality specified')
+    if opts.recodevideo is not None:
+        if opts.recodevideo not in ['mp4', 'flv', 'webm', 'ogg']:
+            parser.error(u'invalid video recode format specified')
+    if opts.date is not None:
+        date = DateRange.day(opts.date)
+    else:
+        date = DateRange(opts.dateafter, opts.datebefore)
+
+    # --all-sub automatically sets --write-sub if --write-auto-sub is not given
+    # this was the old behaviour if only --all-sub was given.
+    if opts.allsubtitles and (opts.writeautomaticsub == False):
+        opts.writesubtitles = True
+
+    if sys.version_info < (3,):
+        # In Python 2, sys.argv is a bytestring (also note http://bugs.python.org/issue2128 for Windows systems)
+        if opts.outtmpl is not None:
+            opts.outtmpl = opts.outtmpl.decode(preferredencoding())
+    outtmpl =((opts.outtmpl is not None and opts.outtmpl)
+            or (opts.format == '-1' and opts.usetitle and u'%(title)s-%(id)s-%(format)s.%(ext)s')
+            or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
+            or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
+            or (opts.usetitle and u'%(title)s-%(id)s.%(ext)s')
+            or (opts.useid and u'%(id)s.%(ext)s')
+            or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
+            or u'%(title)s-%(id)s.%(ext)s')
+    if not os.path.splitext(outtmpl)[1] and opts.extractaudio:
+        parser.error(u'Cannot download a video and extract audio into the same'
+                     u' file! Use "{0}.%(ext)s" instead of "{0}" as the output'
+                     u' template'.format(outtmpl))
+
+    any_printing = opts.geturl or opts.gettitle or opts.getid or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat or opts.getduration or opts.dumpjson
+
+    ydl_opts = {
+        'usenetrc': opts.usenetrc,
+        'username': opts.username,
+        'password': opts.password,
+        'videopassword': opts.videopassword,
+        'quiet': (opts.quiet or any_printing),
+        'forceurl': opts.geturl,
+        'forcetitle': opts.gettitle,
+        'forceid': opts.getid,
+        'forcethumbnail': opts.getthumbnail,
+        'forcedescription': opts.getdescription,
+        'forceduration': opts.getduration,
+        'forcefilename': opts.getfilename,
+        'forceformat': opts.getformat,
+        'forcejson': opts.dumpjson,
+        'simulate': opts.simulate,
+        'skip_download': (opts.skip_download or opts.simulate or any_printing),
+        'format': opts.format,
+        'format_limit': opts.format_limit,
+        'listformats': opts.listformats,
+        'outtmpl': outtmpl,
+        'autonumber_size': opts.autonumber_size,
+        'restrictfilenames': opts.restrictfilenames,
+        'ignoreerrors': opts.ignoreerrors,
+        'ratelimit': opts.ratelimit,
+        'nooverwrites': opts.nooverwrites,
+        'retries': opts.retries,
+        'buffersize': opts.buffersize,
+        'noresizebuffer': opts.noresizebuffer,
+        'continuedl': opts.continue_dl,
+        'noprogress': opts.noprogress,
+        'progress_with_newline': opts.progress_with_newline,
+        'playliststart': opts.playliststart,
+        'playlistend': opts.playlistend,
+        'noplaylist': opts.noplaylist,
+        'logtostderr': opts.outtmpl == '-',
+        'consoletitle': opts.consoletitle,
+        'nopart': opts.nopart,
+        'updatetime': opts.updatetime,
+        'writedescription': opts.writedescription,
+        'writeannotations': opts.writeannotations,
+        'writeinfojson': opts.writeinfojson,
+        'writethumbnail': opts.writethumbnail,
+        'writesubtitles': opts.writesubtitles,
+        'writeautomaticsub': opts.writeautomaticsub,
+        'allsubtitles': opts.allsubtitles,
+        'listsubtitles': opts.listsubtitles,
+        'subtitlesformat': opts.subtitlesformat,
+        'subtitleslangs': opts.subtitleslangs,
+        'matchtitle': decodeOption(opts.matchtitle),
+        'rejecttitle': decodeOption(opts.rejecttitle),
+        'max_downloads': opts.max_downloads,
+        'prefer_free_formats': opts.prefer_free_formats,
+        'verbose': opts.verbose,
+        'dump_intermediate_pages': opts.dump_intermediate_pages,
+        'write_pages': opts.write_pages,
+        'test': opts.test,
+        'keepvideo': opts.keepvideo,
+        'min_filesize': opts.min_filesize,
+        'max_filesize': opts.max_filesize,
+        'min_views': opts.min_views,
+        'max_views': opts.max_views,
+        'daterange': date,
+        'cachedir': opts.cachedir,
+        'youtube_print_sig_code': opts.youtube_print_sig_code,
+        'age_limit': opts.age_limit,
+        'download_archive': opts.download_archive,
+        'cookiefile': opts.cookiefile,
+        'nocheckcertificate': opts.no_check_certificate,
+        'proxy': opts.proxy,
+        'socket_timeout': opts.socket_timeout,
+        'bidi_workaround': opts.bidi_workaround,
+    }
+
+    with YoutubeDL(ydl_opts) as ydl:
+        ydl.print_debug_header()
+        ydl.add_default_info_extractors()
+
+        # PostProcessors
+        # Add the metadata pp first, the other pps will copy it
+        if opts.addmetadata:
+            ydl.add_post_processor(FFmpegMetadataPP())
+        if opts.extractaudio:
+            ydl.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, nopostoverwrites=opts.nopostoverwrites))
+        if opts.recodevideo:
+            ydl.add_post_processor(FFmpegVideoConvertor(preferedformat=opts.recodevideo))
+        if opts.embedsubtitles:
+            ydl.add_post_processor(FFmpegEmbedSubtitlePP(subtitlesformat=opts.subtitlesformat))
+
+        # Update version
+        if opts.update_self:
+            update_self(ydl.to_screen, opts.verbose)
+
+        # Maybe do nothing
+        if (len(all_urls) < 1) and (opts.load_info_filename is None):
+            if not opts.update_self:
+                parser.error(u'you must provide at least one URL')
+            else:
+                sys.exit()
+
+        try:
+            if opts.load_info_filename is not None:
+                retcode = ydl.download_with_info_file(opts.load_info_filename)
+            else:
+                retcode = ydl.download(all_urls)
+        except MaxDownloadsReached:
+            ydl.to_screen(u'--max-download limit reached, aborting.')
+            retcode = 101
+
+    sys.exit(retcode)
+
+
+def main(argv=None):
+    try:
+        _real_main(argv)
+    except DownloadError:
+        sys.exit(1)
+    except SameFileError:
+        sys.exit(u'ERROR: fixed output name but more than one file to download')
+    except KeyboardInterrupt:
+        sys.exit(u'\nERROR: Interrupted by user')