youtube_dl/__init__.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 __authors__  = (
   5         'Ricardo Garcia Gonzalez',
   6         'Danny Colligan',
   7         'Benjamin Johnson',
   8         'Vasyl\' Vavrychuk',
   9         'Witold Baryluk',
  10         'Paweł Paprota',
  11         'Gergely Imreh',
  12         'Rogério Brito',
  13         'Philipp Hagemeister',
  14         'Sören Schulze',
  15         'Kevin Ngo',
  16         'Ori Avtalion',
  17         'shizeeg',
  18         'Filippo Valsorda',
  19         )
  20
  21 __license__ = 'Public Domain'
  22 __version__ = '2012.09.27'
  23
  24 UPDATE_URL = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl'
  25 UPDATE_URL_VERSION = 'https://raw.github.com/rg3/youtube-dl/master/LATEST_VERSION'
  26 UPDATE_URL_EXE = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl.exe'
  27
  28
  29 import cookielib
  30 import getpass
  31 import optparse
  32 import os
  33 import re
  34 import shlex
  35 import socket
  36 import subprocess
  37 import sys
  38 import urllib2
  39 import warnings
  40
  41 from utils import *
  42 from FileDownloader import *
  43 from InfoExtractors import *
  44 from PostProcessor import *
  45
  46 def updateSelf(downloader, filename):
  47         ''' Update the program file with the latest version from the repository '''
  48         # Note: downloader only used for options
  49
  50         if not os.access(filename, os.W_OK):
  51                 sys.exit('ERROR: no write permissions on %s' % filename)
  52
  53         downloader.to_screen(u'Updating to latest version...')
  54
  55         urlv = urllib2.urlopen(UPDATE_URL_VERSION)
  56         newversion = urlv.read().strip()
  57         if newversion == __version__:
  58                 downloader.to_screen(u'youtube-dl is up-to-date (' + __version__ + ')')
  59                 return
  60         urlv.close()
  61
  62         if hasattr(sys, "frozen"): #py2exe
  63                 exe = os.path.abspath(filename)
  64                 directory = os.path.dirname(exe)
  65                 if not os.access(directory, os.W_OK):
  66                         sys.exit('ERROR: no write permissions on %s' % directory)
  67
  68                 try:
  69                         urlh = urllib2.urlopen(UPDATE_URL_EXE)
  70                         newcontent = urlh.read()
  71                         urlh.close()
  72                         with open(exe + '.new', 'wb') as outf:
  73                                 outf.write(newcontent)
  74                 except (IOError, OSError), err:
  75                         sys.exit('ERROR: unable to download latest version')
  76
  77                 try:
  78                         bat = os.path.join(directory, 'youtube-dl-updater.bat')
  79                         b = open(bat, 'w')
  80
  81                         print >> b, """
  82 echo Updating youtube-dl...
  83 ping 127.0.0.1 -n 5 -w 1000 > NUL
  84 move /Y "%s.new" "%s"
  85 del "%s"
  86                         """ %(exe, exe, bat)
  87
  88                         b.close()
  89
  90                         os.startfile(bat)
  91                 except (IOError, OSError), err:
  92                         sys.exit('ERROR: unable to overwrite current version')
  93
  94         else:
  95                 try:
  96                         urlh = urllib2.urlopen(UPDATE_URL)
  97                         newcontent = urlh.read()
  98                         urlh.close()
  99                 except (IOError, OSError), err:
 100                         sys.exit('ERROR: unable to download latest version')
 101
 102                 try:
 103                         with open(filename, 'wb') as outf:
 104                                 outf.write(newcontent)
 105                 except (IOError, OSError), err:
 106                         sys.exit('ERROR: unable to overwrite current version')
 107
 108         downloader.to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.')
 109
 110 def parseOpts():
 111         def _readOptions(filename_bytes):
 112                 try:
 113                         optionf = open(filename_bytes)
 114                 except IOError:
 115                         return [] # silently skip if file is not present
 116                 try:
 117                         res = []
 118                         for l in optionf:
 119                                 res += shlex.split(l, comments=True)
 120                 finally:
 121                         optionf.close()
 122                 return res
 123
 124         def _format_option_string(option):
 125                 ''' ('-o', '--option') -> -o, --format METAVAR'''
 126
 127                 opts = []
 128
 129                 if option._short_opts: opts.append(option._short_opts[0])
 130                 if option._long_opts: opts.append(option._long_opts[0])
 131                 if len(opts) > 1: opts.insert(1, ', ')
 132
 133                 if option.takes_value(): opts.append(' %s' % option.metavar)
 134
 135                 return "".join(opts)
 136
 137         def _find_term_columns():
 138                 columns = os.environ.get('COLUMNS', None)
 139                 if columns:
 140                         return int(columns)
 141
 142                 try:
 143                         sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 144                         out,err = sp.communicate()
 145                         return int(out.split()[1])
 146                 except:
 147                         pass
 148                 return None
 149
 150         max_width = 80
 151         max_help_position = 80
 152
 153         # No need to wrap help messages if we're on a wide console
 154         columns = _find_term_columns()
 155         if columns: max_width = columns
 156
 157         fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
 158         fmt.format_option_strings = _format_option_string
 159
 160         kw = {
 161                 'version'   : __version__,
 162                 'formatter' : fmt,
 163                 'usage' : '%prog [options] url [url...]',
 164                 'conflict_handler' : 'resolve',
 165         }
 166
 167         parser = optparse.OptionParser(**kw)
 168
 169         # option groups
 170         general        = optparse.OptionGroup(parser, 'General Options')
 171         selection      = optparse.OptionGroup(parser, 'Video Selection')
 172         authentication = optparse.OptionGroup(parser, 'Authentication Options')
 173         video_format   = optparse.OptionGroup(parser, 'Video Format Options')
 174         postproc       = optparse.OptionGroup(parser, 'Post-processing Options')
 175         filesystem     = optparse.OptionGroup(parser, 'Filesystem Options')
 176         verbosity      = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
 177
 178         general.add_option('-h', '--help',
 179                         action='help', help='print this help text and exit')
 180         general.add_option('-v', '--version',
 181                         action='version', help='print program version and exit')
 182         general.add_option('-U', '--update',
 183                         action='store_true', dest='update_self', help='update this program to latest version')
 184         general.add_option('-i', '--ignore-errors',
 185                         action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
 186         general.add_option('-r', '--rate-limit',
 187                         dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
 188         general.add_option('-R', '--retries',
 189                         dest='retries', metavar='RETRIES', help='number of retries (default is 10)', default=10)
 190         general.add_option('--dump-user-agent',
 191                         action='store_true', dest='dump_user_agent',
 192                         help='display the current browser identification', default=False)
 193         general.add_option('--user-agent',
 194                         action='store', dest='useragent', help='specify a custom user agent')
 195         general.add_option('--list-extractors',
 196                         action='store_true', dest='list_extractors',
 197                         help='List all supported extractors and the URLs they would handle', default=False)
 198
 199         selection.add_option('--playlist-start',
 200                         dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is 1)', default=1)
 201         selection.add_option('--playlist-end',
 202                         dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
 203         selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
 204         selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
 205         selection.add_option('--max-downloads', metavar='NUMBER', dest='max_downloads', help='Abort after downloading NUMBER files', default=None)
 206
 207         authentication.add_option('-u', '--username',
 208                         dest='username', metavar='USERNAME', help='account username')
 209         authentication.add_option('-p', '--password',
 210                         dest='password', metavar='PASSWORD', help='account password')
 211         authentication.add_option('-n', '--netrc',
 212                         action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
 213
 214
 215         video_format.add_option('-f', '--format',
 216                         action='store', dest='format', metavar='FORMAT', help='video format code')
 217         video_format.add_option('--all-formats',
 218                         action='store_const', dest='format', help='download all available video formats', const='all')
 219         video_format.add_option('--prefer-free-formats',
 220                         action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
 221         video_format.add_option('--max-quality',
 222                         action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
 223         video_format.add_option('-F', '--list-formats',
 224                         action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
 225         video_format.add_option('--write-srt',
 226                         action='store_true', dest='writesubtitles',
 227                         help='write video closed captions to a .srt file (currently youtube only)', default=False)
 228         video_format.add_option('--srt-lang',
 229                         action='store', dest='subtitleslang', metavar='LANG',
 230                         help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
 231
 232
 233         verbosity.add_option('-q', '--quiet',
 234                         action='store_true', dest='quiet', help='activates quiet mode', default=False)
 235         verbosity.add_option('-s', '--simulate',
 236                         action='store_true', dest='simulate', help='do not download the video and do not write anything to disk', default=False)
 237         verbosity.add_option('--skip-download',
 238                         action='store_true', dest='skip_download', help='do not download the video', default=False)
 239         verbosity.add_option('-g', '--get-url',
 240                         action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
 241         verbosity.add_option('-e', '--get-title',
 242                         action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
 243         verbosity.add_option('--get-thumbnail',
 244                         action='store_true', dest='getthumbnail',
 245                         help='simulate, quiet but print thumbnail URL', default=False)
 246         verbosity.add_option('--get-description',
 247                         action='store_true', dest='getdescription',
 248                         help='simulate, quiet but print video description', default=False)
 249         verbosity.add_option('--get-filename',
 250                         action='store_true', dest='getfilename',
 251                         help='simulate, quiet but print output filename', default=False)
 252         verbosity.add_option('--get-format',
 253                         action='store_true', dest='getformat',
 254                         help='simulate, quiet but print output format', default=False)
 255         verbosity.add_option('--no-progress',
 256                         action='store_true', dest='noprogress', help='do not print progress bar', default=False)
 257         verbosity.add_option('--console-title',
 258                         action='store_true', dest='consoletitle',
 259                         help='display progress in console titlebar', default=False)
 260         verbosity.add_option('-v', '--verbose',
 261                         action='store_true', dest='verbose', help='print various debugging information', default=False)
 262
 263
 264         filesystem.add_option('-t', '--title',
 265                         action='store_true', dest='usetitle', help='use title in file name', default=False)
 266         filesystem.add_option('-l', '--literal',
 267                         action='store_true', dest='useliteral', help='use literal title in file name', default=False)
 268         filesystem.add_option('-A', '--auto-number',
 269                         action='store_true', dest='autonumber',
 270                         help='number downloaded files starting from 00000', default=False)
 271         filesystem.add_option('-o', '--output',
 272                         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.')
 273         filesystem.add_option('-a', '--batch-file',
 274                         dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
 275         filesystem.add_option('-w', '--no-overwrites',
 276                         action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
 277         filesystem.add_option('-c', '--continue',
 278                         action='store_true', dest='continue_dl', help='resume partially downloaded files', default=True)
 279         filesystem.add_option('--no-continue',
 280                         action='store_false', dest='continue_dl',
 281                         help='do not resume partially downloaded files (restart from beginning)')
 282         filesystem.add_option('--cookies',
 283                         dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
 284         filesystem.add_option('--no-part',
 285                         action='store_true', dest='nopart', help='do not use .part files', default=False)
 286         filesystem.add_option('--no-mtime',
 287                         action='store_false', dest='updatetime',
 288                         help='do not use the Last-modified header to set the file modification time', default=True)
 289         filesystem.add_option('--write-description',
 290                         action='store_true', dest='writedescription',
 291                         help='write video description to a .description file', default=False)
 292         filesystem.add_option('--write-info-json',
 293                         action='store_true', dest='writeinfojson',
 294                         help='write video metadata to a .info.json file', default=False)
 295
 296
 297         postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
 298                         help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
 299         postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
 300                         help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
 301         postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K',
 302                         help='ffmpeg/avconv audio bitrate specification, 128k by default')
 303         postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
 304                         help='keeps the video file on disk after the post-processing; the video is erased by default')
 305
 306
 307         parser.add_option_group(general)
 308         parser.add_option_group(selection)
 309         parser.add_option_group(filesystem)
 310         parser.add_option_group(verbosity)
 311         parser.add_option_group(video_format)
 312         parser.add_option_group(authentication)
 313         parser.add_option_group(postproc)
 314
 315         xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
 316         if xdg_config_home:
 317                 userConf = os.path.join(xdg_config_home, 'youtube-dl.conf')
 318         else:
 319                 userConf = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
 320         argv = _readOptions('/etc/youtube-dl.conf') + _readOptions(userConf) + sys.argv[1:]
 321         opts, args = parser.parse_args(argv)
 322
 323         return parser, opts, args
 324
 325 def gen_extractors():
 326         """ Return a list of an instance of every supported extractor.
 327         The order does matter; the first extractor matched is the one handling the URL.
 328         """
 329         return [
 330                 YoutubePlaylistIE(),
 331                 YoutubeUserIE(),
 332                 YoutubeSearchIE(),
 333                 YoutubeIE(),
 334                 MetacafeIE(),
 335                 DailymotionIE(),
 336                 GoogleIE(),
 337                 GoogleSearchIE(),
 338                 PhotobucketIE(),
 339                 YahooIE(),
 340                 YahooSearchIE(),
 341                 DepositFilesIE(),
 342                 FacebookIE(),
 343                 BlipTVUserIE(),
 344                 BlipTVIE(),
 345                 VimeoIE(),
 346                 MyVideoIE(),
 347                 ComedyCentralIE(),
 348                 EscapistIE(),
 349                 CollegeHumorIE(),
 350                 XVideosIE(),
 351                 SoundcloudIE(),
 352                 InfoQIE(),
 353                 MixcloudIE(),
 354                 StanfordOpenClassroomIE(),
 355                 MTVIE(),
 356                 YoukuIE(),
 357                 XNXXIE(),
 358
 359                 GenericIE()
 360         ]
 361
 362 def _real_main():
 363         parser, opts, args = parseOpts()
 364
 365         # Open appropriate CookieJar
 366         if opts.cookiefile is None:
 367                 jar = cookielib.CookieJar()
 368         else:
 369                 try:
 370                         jar = cookielib.MozillaCookieJar(opts.cookiefile)
 371                         if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
 372                                 jar.load()
 373                 except (IOError, OSError), err:
 374                         sys.exit(u'ERROR: unable to open cookie file')
 375         # Set user agent
 376         if opts.useragent is not None:
 377                 std_headers['User-Agent'] = opts.useragent
 378
 379         # Dump user agent
 380         if opts.dump_user_agent:
 381                 print std_headers['User-Agent']
 382                 sys.exit(0)
 383
 384         # Batch file verification
 385         batchurls = []
 386         if opts.batchfile is not None:
 387                 try:
 388                         if opts.batchfile == '-':
 389                                 batchfd = sys.stdin
 390                         else:
 391                                 batchfd = open(opts.batchfile, 'r')
 392                         batchurls = batchfd.readlines()
 393                         batchurls = [x.strip() for x in batchurls]
 394                         batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
 395                 except IOError:
 396                         sys.exit(u'ERROR: batch file could not be read')
 397         all_urls = batchurls + args
 398         all_urls = map(lambda url: url.strip(), all_urls)
 399
 400         # General configuration
 401         cookie_processor = urllib2.HTTPCookieProcessor(jar)
 402         proxy_handler = urllib2.ProxyHandler()
 403         opener = urllib2.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
 404         urllib2.install_opener(opener)
 405         socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
 406
 407         extractors = gen_extractors()
 408
 409         if opts.list_extractors:
 410                 for ie in extractors:
 411                         print(ie.IE_NAME)
 412                         matchedUrls = filter(lambda url: ie.suitable(url), all_urls)
 413                         all_urls = filter(lambda url: url not in matchedUrls, all_urls)
 414                         for mu in matchedUrls:
 415                                 print(u'  ' + mu)
 416                 sys.exit(0)
 417
 418         # Conflicting, missing and erroneous options
 419         if opts.usenetrc and (opts.username is not None or opts.password is not None):
 420                 parser.error(u'using .netrc conflicts with giving username/password')
 421         if opts.password is not None and opts.username is None:
 422                 parser.error(u'account username missing')
 423         if opts.outtmpl is not None and (opts.useliteral or opts.usetitle or opts.autonumber):
 424                 parser.error(u'using output template conflicts with using title, literal title or auto number')
 425         if opts.usetitle and opts.useliteral:
 426                 parser.error(u'using title conflicts with using literal title')
 427         if opts.username is not None and opts.password is None:
 428                 opts.password = getpass.getpass(u'Type account password and press return:')
 429         if opts.ratelimit is not None:
 430                 numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
 431                 if numeric_limit is None:
 432                         parser.error(u'invalid rate limit specified')
 433                 opts.ratelimit = numeric_limit
 434         if opts.retries is not None:
 435                 try:
 436                         opts.retries = long(opts.retries)
 437                 except (TypeError, ValueError), err:
 438                         parser.error(u'invalid retry count specified')
 439         try:
 440                 opts.playliststart = int(opts.playliststart)
 441                 if opts.playliststart <= 0:
 442                         raise ValueError(u'Playlist start must be positive')
 443         except (TypeError, ValueError), err:
 444                 parser.error(u'invalid playlist start number specified')
 445         try:
 446                 opts.playlistend = int(opts.playlistend)
 447                 if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
 448                         raise ValueError(u'Playlist end must be greater than playlist start')
 449         except (TypeError, ValueError), err:
 450                 parser.error(u'invalid playlist end number specified')
 451         if opts.extractaudio:
 452                 if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
 453                         parser.error(u'invalid audio format specified')
 454
 455         # File downloader
 456         fd = FileDownloader({
 457                 'usenetrc': opts.usenetrc,
 458                 'username': opts.username,
 459                 'password': opts.password,
 460                 'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
 461                 'forceurl': opts.geturl,
 462                 'forcetitle': opts.gettitle,
 463                 'forcethumbnail': opts.getthumbnail,
 464                 'forcedescription': opts.getdescription,
 465                 'forcefilename': opts.getfilename,
 466                 'forceformat': opts.getformat,
 467                 'simulate': opts.simulate,
 468                 '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),
 469                 'format': opts.format,
 470                 'format_limit': opts.format_limit,
 471                 'listformats': opts.listformats,
 472                 'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
 473                         or (opts.format == '-1' and opts.usetitle and u'%(stitle)s-%(id)s-%(format)s.%(ext)s')
 474                         or (opts.format == '-1' and opts.useliteral and u'%(title)s-%(id)s-%(format)s.%(ext)s')
 475                         or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
 476                         or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(stitle)s-%(id)s.%(ext)s')
 477                         or (opts.useliteral and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
 478                         or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
 479                         or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
 480                         or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
 481                         or u'%(id)s.%(ext)s'),
 482                 'ignoreerrors': opts.ignoreerrors,
 483                 'ratelimit': opts.ratelimit,
 484                 'nooverwrites': opts.nooverwrites,
 485                 'retries': opts.retries,
 486                 'continuedl': opts.continue_dl,
 487                 'noprogress': opts.noprogress,
 488                 'playliststart': opts.playliststart,
 489                 'playlistend': opts.playlistend,
 490                 'logtostderr': opts.outtmpl == '-',
 491                 'consoletitle': opts.consoletitle,
 492                 'nopart': opts.nopart,
 493                 'updatetime': opts.updatetime,
 494                 'writedescription': opts.writedescription,
 495                 'writeinfojson': opts.writeinfojson,
 496                 'writesubtitles': opts.writesubtitles,
 497                 'subtitleslang': opts.subtitleslang,
 498                 'matchtitle': opts.matchtitle,
 499                 'rejecttitle': opts.rejecttitle,
 500                 'max_downloads': opts.max_downloads,
 501                 'prefer_free_formats': opts.prefer_free_formats,
 502                 'verbose': opts.verbose,
 503                 })
 504
 505         if opts.verbose:
 506                 fd.to_screen(u'[debug] Proxy map: ' + str(proxy_handler.proxies))
 507
 508         for extractor in extractors:
 509                 fd.add_info_extractor(extractor)
 510
 511         # PostProcessors
 512         if opts.extractaudio:
 513                 fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, keepvideo=opts.keepvideo))
 514
 515         # Update version
 516         if opts.update_self:
 517                 updateSelf(fd, sys.argv[0])
 518
 519         # Maybe do nothing
 520         if len(all_urls) < 1:
 521                 if not opts.update_self:
 522                         parser.error(u'you must provide at least one URL')
 523                 else:
 524                         sys.exit()
 525
 526         try:
 527                 retcode = fd.download(all_urls)
 528         except MaxDownloadsReached:
 529                 fd.to_screen(u'--max-download limit reached, aborting.')
 530                 retcode = 101
 531
 532         # Dump cookie jar if requested
 533         if opts.cookiefile is not None:
 534                 try:
 535                         jar.save()
 536                 except (IOError, OSError), err:
 537                         sys.exit(u'ERROR: unable to save cookie jar')
 538
 539         sys.exit(retcode)
 540
 541 def main():
 542         try:
 543                 _real_main()
 544         except DownloadError:
 545                 sys.exit(1)
 546         except SameFileError:
 547                 sys.exit(u'ERROR: fixed output name but more than one file to download')
 548         except KeyboardInterrupt:
 549                 sys.exit(u'\nERROR: Interrupted by user')