youtube_dl/__init__.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from __future__ import with_statement
   5 from __future__ import absolute_import
   6
   7 __authors__  = (
   8     'Ricardo Garcia Gonzalez',
   9     'Danny Colligan',
  10     'Benjamin Johnson',
  11     'Vasyl\' Vavrychuk',
  12     'Witold Baryluk',
  13     'Paweł Paprota',
  14     'Gergely Imreh',
  15     'Rogério Brito',
  16     'Philipp Hagemeister',
  17     'Sören Schulze',
  18     'Kevin Ngo',
  19     'Ori Avtalion',
  20     'shizeeg',
  21     'Filippo Valsorda',
  22     'Christian Albrecht',
  23     'Dave Vasilevsky',
  24     'Jaime Marquínez Ferrándiz',
  25     )
  26
  27 __license__ = 'Public Domain'
  28
  29 import getpass
  30 import optparse
  31 import os
  32 import re
  33 import shlex
  34 import socket
  35 import subprocess
  36 import sys
  37 import warnings
  38 import platform
  39
  40 from .utils import *
  41 from .update import update_self
  42 from .version import __version__
  43 from .FileDownloader import *
  44 from .InfoExtractors import *
  45 from .PostProcessor import *
  46
  47 def parseOpts():
  48     def _readOptions(filename_bytes):
  49         try:
  50             optionf = open(filename_bytes)
  51         except IOError:
  52             return [] # silently skip if file is not present
  53         try:
  54             res = []
  55             for l in optionf:
  56                 res += shlex.split(l, comments=True)
  57         finally:
  58             optionf.close()
  59         return res
  60
  61     def _format_option_string(option):
  62         ''' ('-o', '--option') -> -o, --format METAVAR'''
  63
  64         opts = []
  65
  66         if option._short_opts:
  67             opts.append(option._short_opts[0])
  68         if option._long_opts:
  69             opts.append(option._long_opts[0])
  70         if len(opts) > 1:
  71             opts.insert(1, ', ')
  72
  73         if option.takes_value(): opts.append(' %s' % option.metavar)
  74
  75         return "".join(opts)
  76
  77     def _find_term_columns():
  78         columns = os.environ.get('COLUMNS', None)
  79         if columns:
  80             return int(columns)
  81
  82         try:
  83             sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
  84             out,err = sp.communicate()
  85             return int(out.split()[1])
  86         except:
  87             pass
  88         return None
  89
  90     max_width = 80
  91     max_help_position = 80
  92
  93     # No need to wrap help messages if we're on a wide console
  94     columns = _find_term_columns()
  95     if columns: max_width = columns
  96
  97     fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
  98     fmt.format_option_strings = _format_option_string
  99
 100     kw = {
 101         'version'   : __version__,
 102         'formatter' : fmt,
 103         'usage' : '%prog [options] url [url...]',
 104         'conflict_handler' : 'resolve',
 105     }
 106
 107     parser = optparse.OptionParser(**kw)
 108
 109     # option groups
 110     general        = optparse.OptionGroup(parser, 'General Options')
 111     selection      = optparse.OptionGroup(parser, 'Video Selection')
 112     authentication = optparse.OptionGroup(parser, 'Authentication Options')
 113     video_format   = optparse.OptionGroup(parser, 'Video Format Options')
 114     postproc       = optparse.OptionGroup(parser, 'Post-processing Options')
 115     filesystem     = optparse.OptionGroup(parser, 'Filesystem Options')
 116     verbosity      = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
 117
 118     general.add_option('-h', '--help',
 119             action='help', help='print this help text and exit')
 120     general.add_option('-v', '--version',
 121             action='version', help='print program version and exit')
 122     general.add_option('-U', '--update',
 123             action='store_true', dest='update_self', help='update this program to latest version')
 124     general.add_option('-i', '--ignore-errors',
 125             action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
 126     general.add_option('-r', '--rate-limit',
 127             dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
 128     general.add_option('-R', '--retries',
 129             dest='retries', metavar='RETRIES', help='number of retries (default is %default)', default=10)
 130     general.add_option('--buffer-size',
 131             dest='buffersize', metavar='SIZE', help='size of download buffer (e.g. 1024 or 16k) (default is %default)', default="1024")
 132     general.add_option('--no-resize-buffer',
 133             action='store_true', dest='noresizebuffer',
 134             help='do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.', default=False)
 135     general.add_option('--dump-user-agent',
 136             action='store_true', dest='dump_user_agent',
 137             help='display the current browser identification', default=False)
 138     general.add_option('--user-agent',
 139             dest='user_agent', help='specify a custom user agent', metavar='UA')
 140     general.add_option('--list-extractors',
 141             action='store_true', dest='list_extractors',
 142             help='List all supported extractors and the URLs they would handle', default=False)
 143     general.add_option('--test', action='store_true', dest='test', default=False, help=optparse.SUPPRESS_HELP)
 144
 145     selection.add_option('--playlist-start',
 146             dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is %default)', default=1)
 147     selection.add_option('--playlist-end',
 148             dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
 149     selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
 150     selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
 151     selection.add_option('--max-downloads', metavar='NUMBER', dest='max_downloads', help='Abort after downloading NUMBER files', default=None)
 152
 153     authentication.add_option('-u', '--username',
 154             dest='username', metavar='USERNAME', help='account username')
 155     authentication.add_option('-p', '--password',
 156             dest='password', metavar='PASSWORD', help='account password')
 157     authentication.add_option('-n', '--netrc',
 158             action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
 159
 160
 161     video_format.add_option('-f', '--format',
 162             action='store', dest='format', metavar='FORMAT', help='video format code')
 163     video_format.add_option('--all-formats',
 164             action='store_const', dest='format', help='download all available video formats', const='all')
 165     video_format.add_option('--prefer-free-formats',
 166             action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
 167     video_format.add_option('--max-quality',
 168             action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
 169     video_format.add_option('-F', '--list-formats',
 170             action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
 171     video_format.add_option('--write-srt',
 172             action='store_true', dest='writesubtitles',
 173             help='write video closed captions to a .srt file (currently youtube only)', default=False)
 174     video_format.add_option('--srt-lang',
 175             action='store', dest='subtitleslang', metavar='LANG',
 176             help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
 177
 178
 179     verbosity.add_option('-q', '--quiet',
 180             action='store_true', dest='quiet', help='activates quiet mode', default=False)
 181     verbosity.add_option('-s', '--simulate',
 182             action='store_true', dest='simulate', help='do not download the video and do not write anything to disk', default=False)
 183     verbosity.add_option('--skip-download',
 184             action='store_true', dest='skip_download', help='do not download the video', default=False)
 185     verbosity.add_option('-g', '--get-url',
 186             action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
 187     verbosity.add_option('-e', '--get-title',
 188             action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
 189     verbosity.add_option('--get-thumbnail',
 190             action='store_true', dest='getthumbnail',
 191             help='simulate, quiet but print thumbnail URL', default=False)
 192     verbosity.add_option('--get-description',
 193             action='store_true', dest='getdescription',
 194             help='simulate, quiet but print video description', default=False)
 195     verbosity.add_option('--get-filename',
 196             action='store_true', dest='getfilename',
 197             help='simulate, quiet but print output filename', default=False)
 198     verbosity.add_option('--get-format',
 199             action='store_true', dest='getformat',
 200             help='simulate, quiet but print output format', default=False)
 201     verbosity.add_option('--no-progress',
 202             action='store_true', dest='noprogress', help='do not print progress bar', default=False)
 203     verbosity.add_option('--console-title',
 204             action='store_true', dest='consoletitle',
 205             help='display progress in console titlebar', default=False)
 206     verbosity.add_option('-v', '--verbose',
 207             action='store_true', dest='verbose', help='print various debugging information', default=False)
 208
 209
 210     filesystem.add_option('-t', '--title',
 211             action='store_true', dest='usetitle', help='use title in file name', default=False)
 212     filesystem.add_option('--id',
 213             action='store_true', dest='useid', help='use video ID in file name', default=False)
 214     filesystem.add_option('-l', '--literal',
 215             action='store_true', dest='usetitle', help='[deprecated] alias of --title', default=False)
 216     filesystem.add_option('-A', '--auto-number',
 217             action='store_true', dest='autonumber',
 218             help='number downloaded files starting from 00000', default=False)
 219     filesystem.add_option('-o', '--output',
 220             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, %(upload_date)s for the upload date (YYYYMMDD), %(extractor)s for the provider (youtube, metacafe, etc), %(id)s for the video id 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\' .')
 221     filesystem.add_option('--restrict-filenames',
 222             action='store_true', dest='restrictfilenames',
 223             help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames', default=False)
 224     filesystem.add_option('-a', '--batch-file',
 225             dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
 226     filesystem.add_option('-w', '--no-overwrites',
 227             action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
 228     filesystem.add_option('-c', '--continue',
 229             action='store_true', dest='continue_dl', help='resume partially downloaded files', default=True)
 230     filesystem.add_option('--no-continue',
 231             action='store_false', dest='continue_dl',
 232             help='do not resume partially downloaded files (restart from beginning)')
 233     filesystem.add_option('--cookies',
 234             dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
 235     filesystem.add_option('--no-part',
 236             action='store_true', dest='nopart', help='do not use .part files', default=False)
 237     filesystem.add_option('--no-mtime',
 238             action='store_false', dest='updatetime',
 239             help='do not use the Last-modified header to set the file modification time', default=True)
 240     filesystem.add_option('--write-description',
 241             action='store_true', dest='writedescription',
 242             help='write video description to a .description file', default=False)
 243     filesystem.add_option('--write-info-json',
 244             action='store_true', dest='writeinfojson',
 245             help='write video metadata to a .info.json file', default=False)
 246
 247
 248     postproc.add_option('-x', '--extract-audio', action='store_true', dest='extractaudio', default=False,
 249             help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
 250     postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
 251             help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
 252     postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='5',
 253             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)')
 254     postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
 255             help='keeps the video file on disk after the post-processing; the video is erased by default')
 256     postproc.add_option('--no-post-overwrites', action='store_true', dest='nopostoverwrites', default=False,
 257             help='do not overwrite post-processed files; the post-processed files are overwritten by default')
 258
 259
 260     parser.add_option_group(general)
 261     parser.add_option_group(selection)
 262     parser.add_option_group(filesystem)
 263     parser.add_option_group(verbosity)
 264     parser.add_option_group(video_format)
 265     parser.add_option_group(authentication)
 266     parser.add_option_group(postproc)
 267
 268     xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
 269     if xdg_config_home:
 270         userConf = os.path.join(xdg_config_home, 'youtube-dl.conf')
 271     else:
 272         userConf = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
 273     argv = _readOptions('/etc/youtube-dl.conf') + _readOptions(userConf) + sys.argv[1:]
 274     opts, args = parser.parse_args(argv)
 275
 276     return parser, opts, args
 277
 278 def gen_extractors():
 279     """ Return a list of an instance of every supported extractor.
 280     The order does matter; the first extractor matched is the one handling the URL.
 281     """
 282     return [
 283         YoutubePlaylistIE(),
 284         YoutubeChannelIE(),
 285         YoutubeUserIE(),
 286         YoutubeSearchIE(),
 287         YoutubeIE(),
 288         MetacafeIE(),
 289         DailymotionIE(),
 290         GoogleSearchIE(),
 291         PhotobucketIE(),
 292         YahooIE(),
 293         YahooSearchIE(),
 294         DepositFilesIE(),
 295         FacebookIE(),
 296         BlipTVUserIE(),
 297         BlipTVIE(),
 298         VimeoIE(),
 299         MyVideoIE(),
 300         ComedyCentralIE(),
 301         EscapistIE(),
 302         CollegeHumorIE(),
 303         XVideosIE(),
 304         SoundcloudIE(),
 305         InfoQIE(),
 306         MixcloudIE(),
 307         StanfordOpenClassroomIE(),
 308         MTVIE(),
 309         YoukuIE(),
 310         XNXXIE(),
 311         GooglePlusIE(),
 312         ArteTvIE(),
 313         NBAIE(),
 314         JustinTVIE(),
 315         FunnyOrDieIE(),
 316         TweetReelIE(),
 317         SteamIE(),
 318         UstreamIE(),
 319         GenericIE()
 320     ]
 321
 322 def _real_main():
 323     parser, opts, args = parseOpts()
 324
 325     # Open appropriate CookieJar
 326     if opts.cookiefile is None:
 327         jar = compat_cookiejar.CookieJar()
 328     else:
 329         try:
 330             jar = compat_cookiejar.MozillaCookieJar(opts.cookiefile)
 331             if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
 332                 jar.load()
 333         except (IOError, OSError) as err:
 334             sys.exit(u'ERROR: unable to open cookie file')
 335     # Set user agent
 336     if opts.user_agent is not None:
 337         std_headers['User-Agent'] = opts.user_agent
 338
 339     # Dump user agent
 340     if opts.dump_user_agent:
 341         print(std_headers['User-Agent'])
 342         sys.exit(0)
 343
 344     # Batch file verification
 345     batchurls = []
 346     if opts.batchfile is not None:
 347         try:
 348             if opts.batchfile == '-':
 349                 batchfd = sys.stdin
 350             else:
 351                 batchfd = open(opts.batchfile, 'r')
 352             batchurls = batchfd.readlines()
 353             batchurls = [x.strip() for x in batchurls]
 354             batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
 355         except IOError:
 356             sys.exit(u'ERROR: batch file could not be read')
 357     all_urls = batchurls + args
 358     all_urls = [url.strip() for url in all_urls]
 359
 360     # General configuration
 361     cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
 362     proxy_handler = compat_urllib_request.ProxyHandler()
 363     opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
 364     compat_urllib_request.install_opener(opener)
 365     socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
 366
 367     extractors = gen_extractors()
 368
 369     if opts.list_extractors:
 370         for ie in extractors:
 371             print(ie.IE_NAME + (' (CURRENTLY BROKEN)' if not ie._WORKING else ''))
 372             matchedUrls = [url for url in all_urls if ie.suitable(url)]
 373             all_urls = [url for url in all_urls if url not in matchedUrls]
 374             for mu in matchedUrls:
 375                 print(u'  ' + mu)
 376         sys.exit(0)
 377
 378     # Conflicting, missing and erroneous options
 379     if opts.usenetrc and (opts.username is not None or opts.password is not None):
 380         parser.error(u'using .netrc conflicts with giving username/password')
 381     if opts.password is not None and opts.username is None:
 382         parser.error(u'account username missing')
 383     if opts.outtmpl is not None and (opts.usetitle or opts.autonumber or opts.useid):
 384         parser.error(u'using output template conflicts with using title, video ID or auto number')
 385     if opts.usetitle and opts.useid:
 386         parser.error(u'using title conflicts with using video ID')
 387     if opts.username is not None and opts.password is None:
 388         opts.password = getpass.getpass(u'Type account password and press return:')
 389     if opts.ratelimit is not None:
 390         numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
 391         if numeric_limit is None:
 392             parser.error(u'invalid rate limit specified')
 393         opts.ratelimit = numeric_limit
 394     if opts.retries is not None:
 395         try:
 396             opts.retries = int(opts.retries)
 397         except (TypeError, ValueError) as err:
 398             parser.error(u'invalid retry count specified')
 399     if opts.buffersize is not None:
 400         numeric_buffersize = FileDownloader.parse_bytes(opts.buffersize)
 401         if numeric_buffersize is None:
 402             parser.error(u'invalid buffer size specified')
 403         opts.buffersize = numeric_buffersize
 404     try:
 405         opts.playliststart = int(opts.playliststart)
 406         if opts.playliststart <= 0:
 407             raise ValueError(u'Playlist start must be positive')
 408     except (TypeError, ValueError) as err:
 409         parser.error(u'invalid playlist start number specified')
 410     try:
 411         opts.playlistend = int(opts.playlistend)
 412         if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
 413             raise ValueError(u'Playlist end must be greater than playlist start')
 414     except (TypeError, ValueError) as err:
 415         parser.error(u'invalid playlist end number specified')
 416     if opts.extractaudio:
 417         if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
 418             parser.error(u'invalid audio format specified')
 419     if opts.audioquality:
 420         opts.audioquality = opts.audioquality.strip('k').strip('K')
 421         if not opts.audioquality.isdigit():
 422             parser.error(u'invalid audio quality specified')
 423
 424     if sys.version_info < (3,):
 425         # In Python 2, sys.argv is a bytestring (also note http://bugs.python.org/issue2128 for Windows systems)
 426         if opts.outtmpl is not None:
 427             opts.outtmpl = opts.outtmpl.decode(preferredencoding())
 428     outtmpl =((opts.outtmpl is not None and opts.outtmpl)
 429             or (opts.format == '-1' and opts.usetitle and u'%(title)s-%(id)s-%(format)s.%(ext)s')
 430             or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
 431             or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
 432             or (opts.usetitle and u'%(title)s-%(id)s.%(ext)s')
 433             or (opts.useid and u'%(id)s.%(ext)s')
 434             or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
 435             or u'%(id)s.%(ext)s')
 436     # File downloader
 437     fd = FileDownloader({
 438         'usenetrc': opts.usenetrc,
 439         'username': opts.username,
 440         'password': opts.password,
 441         'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
 442         'forceurl': opts.geturl,
 443         'forcetitle': opts.gettitle,
 444         'forcethumbnail': opts.getthumbnail,
 445         'forcedescription': opts.getdescription,
 446         'forcefilename': opts.getfilename,
 447         'forceformat': opts.getformat,
 448         'simulate': opts.simulate,
 449         '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),
 450         'format': opts.format,
 451         'format_limit': opts.format_limit,
 452         'listformats': opts.listformats,
 453         'outtmpl': outtmpl,
 454         'restrictfilenames': opts.restrictfilenames,
 455         'ignoreerrors': opts.ignoreerrors,
 456         'ratelimit': opts.ratelimit,
 457         'nooverwrites': opts.nooverwrites,
 458         'retries': opts.retries,
 459         'buffersize': opts.buffersize,
 460         'noresizebuffer': opts.noresizebuffer,
 461         'continuedl': opts.continue_dl,
 462         'noprogress': opts.noprogress,
 463         'playliststart': opts.playliststart,
 464         'playlistend': opts.playlistend,
 465         'logtostderr': opts.outtmpl == '-',
 466         'consoletitle': opts.consoletitle,
 467         'nopart': opts.nopart,
 468         'updatetime': opts.updatetime,
 469         'writedescription': opts.writedescription,
 470         'writeinfojson': opts.writeinfojson,
 471         'writesubtitles': opts.writesubtitles,
 472         'subtitleslang': opts.subtitleslang,
 473         'matchtitle': opts.matchtitle,
 474         'rejecttitle': opts.rejecttitle,
 475         'max_downloads': opts.max_downloads,
 476         'prefer_free_formats': opts.prefer_free_formats,
 477         'verbose': opts.verbose,
 478         'test': opts.test,
 479         })
 480
 481     if opts.verbose:
 482         fd.to_screen(u'[debug] youtube-dl version ' + __version__)
 483         try:
 484             sp = subprocess.Popen(['git', 'rev-parse', '--short', 'HEAD'], stdout=subprocess.PIPE, stderr=subprocess.PIPE,
 485                                   cwd=os.path.dirname(os.path.abspath(__file__)))
 486             out, err = sp.communicate()
 487             out = out.decode().strip()
 488             if re.match('[0-9a-f]+', out):
 489                 fd.to_screen(u'[debug] Git HEAD: ' + out)
 490         except:
 491             pass
 492         fd.to_screen(u'[debug] Python version %s - %s' %(platform.python_version(), platform.platform()))
 493         fd.to_screen(u'[debug] Proxy map: ' + str(proxy_handler.proxies))
 494
 495     for extractor in extractors:
 496         fd.add_info_extractor(extractor)
 497
 498     # PostProcessors
 499     if opts.extractaudio:
 500         fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, keepvideo=opts.keepvideo, nopostoverwrites=opts.nopostoverwrites))
 501
 502     # Update version
 503     if opts.update_self:
 504         update_self(fd.to_screen, opts.verbose, sys.argv[0])
 505
 506     # Maybe do nothing
 507     if len(all_urls) < 1:
 508         if not opts.update_self:
 509             parser.error(u'you must provide at least one URL')
 510         else:
 511             sys.exit()
 512
 513     try:
 514         retcode = fd.download(all_urls)
 515     except MaxDownloadsReached:
 516         fd.to_screen(u'--max-download limit reached, aborting.')
 517         retcode = 101
 518
 519     # Dump cookie jar if requested
 520     if opts.cookiefile is not None:
 521         try:
 522             jar.save()
 523         except (IOError, OSError) as err:
 524             sys.exit(u'ERROR: unable to save cookie jar')
 525
 526     sys.exit(retcode)
 527
 528 def main():
 529     try:
 530         _real_main()
 531     except DownloadError:
 532         sys.exit(1)
 533     except SameFileError:
 534         sys.exit(u'ERROR: fixed output name but more than one file to download')
 535     except KeyboardInterrupt:
 536         sys.exit(u'\nERROR: Interrupted by user')