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__ = '2012.02.27'
  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('--list-extractors',
 194                         action='store_true', dest='list_extractors',
 195                         help='List all supported extractors and the URLs they would handle', default=False)
 196
 197         selection.add_option('--playlist-start',
 198                         dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is 1)', default=1)
 199         selection.add_option('--playlist-end',
 200                         dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
 201         selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
 202         selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
 203         selection.add_option('--max-downloads', metavar='NUMBER', dest='max_downloads', help='Abort after downloading NUMBER files', default=None)
 204
 205         authentication.add_option('-u', '--username',
 206                         dest='username', metavar='USERNAME', help='account username')
 207         authentication.add_option('-p', '--password',
 208                         dest='password', metavar='PASSWORD', help='account password')
 209         authentication.add_option('-n', '--netrc',
 210                         action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
 211
 212
 213         video_format.add_option('-f', '--format',
 214                         action='store', dest='format', metavar='FORMAT', help='video format code')
 215         video_format.add_option('--all-formats',
 216                         action='store_const', dest='format', help='download all available video formats', const='all')
 217         video_format.add_option('--prefer-free-formats',
 218                         action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
 219         video_format.add_option('--max-quality',
 220                         action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
 221         video_format.add_option('-F', '--list-formats',
 222                         action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
 223         video_format.add_option('--write-srt',
 224                         action='store_true', dest='writesubtitles',
 225                         help='write video closed captions to a .srt file (currently youtube only)', default=False)
 226         video_format.add_option('--srt-lang',
 227                         action='store', dest='subtitleslang', metavar='LANG',
 228                         help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
 229
 230
 231         verbosity.add_option('-q', '--quiet',
 232                         action='store_true', dest='quiet', help='activates quiet mode', default=False)
 233         verbosity.add_option('-s', '--simulate',
 234                         action='store_true', dest='simulate', help='do not download the video and do not write anything to disk', default=False)
 235         verbosity.add_option('--skip-download',
 236                         action='store_true', dest='skip_download', help='do not download the video', default=False)
 237         verbosity.add_option('-g', '--get-url',
 238                         action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
 239         verbosity.add_option('-e', '--get-title',
 240                         action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
 241         verbosity.add_option('--get-thumbnail',
 242                         action='store_true', dest='getthumbnail',
 243                         help='simulate, quiet but print thumbnail URL', default=False)
 244         verbosity.add_option('--get-description',
 245                         action='store_true', dest='getdescription',
 246                         help='simulate, quiet but print video description', default=False)
 247         verbosity.add_option('--get-filename',
 248                         action='store_true', dest='getfilename',
 249                         help='simulate, quiet but print output filename', default=False)
 250         verbosity.add_option('--get-format',
 251                         action='store_true', dest='getformat',
 252                         help='simulate, quiet but print output format', default=False)
 253         verbosity.add_option('--no-progress',
 254                         action='store_true', dest='noprogress', help='do not print progress bar', default=False)
 255         verbosity.add_option('--console-title',
 256                         action='store_true', dest='consoletitle',
 257                         help='display progress in console titlebar', default=False)
 258         verbosity.add_option('-v', '--verbose',
 259                         action='store_true', dest='verbose', help='print various debugging information', default=False)
 260
 261
 262         filesystem.add_option('-t', '--title',
 263                         action='store_true', dest='usetitle', help='use title in file name', default=False)
 264         filesystem.add_option('-l', '--literal',
 265                         action='store_true', dest='useliteral', help='use literal title in file name', default=False)
 266         filesystem.add_option('-A', '--auto-number',
 267                         action='store_true', dest='autonumber',
 268                         help='number downloaded files starting from 00000', default=False)
 269         filesystem.add_option('-o', '--output',
 270                         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.')
 271         filesystem.add_option('-a', '--batch-file',
 272                         dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
 273         filesystem.add_option('-w', '--no-overwrites',
 274                         action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
 275         filesystem.add_option('-c', '--continue',
 276                         action='store_true', dest='continue_dl', help='resume partially downloaded files', default=True)
 277         filesystem.add_option('--no-continue',
 278                         action='store_false', dest='continue_dl',
 279                         help='do not resume partially downloaded files (restart from beginning)')
 280         filesystem.add_option('--cookies',
 281                         dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
 282         filesystem.add_option('--no-part',
 283                         action='store_true', dest='nopart', help='do not use .part files', default=False)
 284         filesystem.add_option('--no-mtime',
 285                         action='store_false', dest='updatetime',
 286                         help='do not use the Last-modified header to set the file modification time', default=True)
 287         filesystem.add_option('--write-description',
 288                         action='store_true', dest='writedescription',
 289                         help='write video description to a .description file', default=False)
 290         filesystem.add_option('--write-info-json',
 291                         action='store_true', dest='writeinfojson',
 292                         help='write video metadata to a .info.json file', default=False)
 293
 294
 295         postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
 296                         help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
 297         postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
 298                         help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
 299         postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='128K',
 300                         help='ffmpeg/avconv audio bitrate specification, 128k by default')
 301         postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
 302                         help='keeps the video file on disk after the post-processing; the video is erased by default')
 303
 304
 305         parser.add_option_group(general)
 306         parser.add_option_group(selection)
 307         parser.add_option_group(filesystem)
 308         parser.add_option_group(verbosity)
 309         parser.add_option_group(video_format)
 310         parser.add_option_group(authentication)
 311         parser.add_option_group(postproc)
 312
 313         xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
 314         if xdg_config_home:
 315                 userConf = os.path.join(xdg_config_home, 'youtube-dl.conf')
 316         else:
 317                 userConf = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
 318         argv = _readOptions('/etc/youtube-dl.conf') + _readOptions(userConf) + sys.argv[1:]
 319         opts, args = parser.parse_args(argv)
 320
 321         return parser, opts, args
 322
 323 def gen_extractors():
 324         """ Return a list of an instance of every supported extractor.
 325         The order does matter; the first extractor matched is the one handling the URL.
 326         """
 327         return [
 328                 YoutubePlaylistIE(),
 329                 YoutubeUserIE(),
 330                 YoutubeSearchIE(),
 331                 YoutubeIE(),
 332                 MetacafeIE(),
 333                 DailymotionIE(),
 334                 GoogleIE(),
 335                 GoogleSearchIE(),
 336                 PhotobucketIE(),
 337                 YahooIE(),
 338                 YahooSearchIE(),
 339                 DepositFilesIE(),
 340                 FacebookIE(),
 341                 BlipTVUserIE(),
 342                 BlipTVIE(),
 343                 VimeoIE(),
 344                 MyVideoIE(),
 345                 ComedyCentralIE(),
 346                 EscapistIE(),
 347                 CollegeHumorIE(),
 348                 XVideosIE(),
 349                 SoundcloudIE(),
 350                 InfoQIE(),
 351                 MixcloudIE(),
 352                 StanfordOpenClassroomIE(),
 353                 MTVIE(),
 354                 YoukuIE(),
 355
 356                 GenericIE()
 357         ]
 358
 359 def _real_main():
 360         parser, opts, args = parseOpts()
 361
 362         # Open appropriate CookieJar
 363         if opts.cookiefile is None:
 364                 jar = cookielib.CookieJar()
 365         else:
 366                 try:
 367                         jar = cookielib.MozillaCookieJar(opts.cookiefile)
 368                         if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
 369                                 jar.load()
 370                 except (IOError, OSError), err:
 371                         sys.exit(u'ERROR: unable to open cookie file')
 372
 373         # Dump user agent
 374         if opts.dump_user_agent:
 375                 print std_headers['User-Agent']
 376                 sys.exit(0)
 377
 378         # Batch file verification
 379         batchurls = []
 380         if opts.batchfile is not None:
 381                 try:
 382                         if opts.batchfile == '-':
 383                                 batchfd = sys.stdin
 384                         else:
 385                                 batchfd = open(opts.batchfile, 'r')
 386                         batchurls = batchfd.readlines()
 387                         batchurls = [x.strip() for x in batchurls]
 388                         batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
 389                 except IOError:
 390                         sys.exit(u'ERROR: batch file could not be read')
 391         all_urls = batchurls + args
 392         all_urls = map(lambda url: url.strip(), all_urls)
 393
 394         # General configuration
 395         cookie_processor = urllib2.HTTPCookieProcessor(jar)
 396         proxy_handler = urllib2.ProxyHandler()
 397         opener = urllib2.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
 398         urllib2.install_opener(opener)
 399         socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
 400
 401         extractors = gen_extractors()
 402
 403         if opts.list_extractors:
 404                 for ie in extractors:
 405                         print(ie.IE_NAME)
 406                         matchedUrls = filter(lambda url: ie.suitable(url), all_urls)
 407                         all_urls = filter(lambda url: url not in matchedUrls, all_urls)
 408                         for mu in matchedUrls:
 409                                 print(u'  ' + mu)
 410                 sys.exit(0)
 411
 412         # Conflicting, missing and erroneous options
 413         if opts.usenetrc and (opts.username is not None or opts.password is not None):
 414                 parser.error(u'using .netrc conflicts with giving username/password')
 415         if opts.password is not None and opts.username is None:
 416                 parser.error(u'account username missing')
 417         if opts.outtmpl is not None and (opts.useliteral or opts.usetitle or opts.autonumber):
 418                 parser.error(u'using output template conflicts with using title, literal title or auto number')
 419         if opts.usetitle and opts.useliteral:
 420                 parser.error(u'using title conflicts with using literal title')
 421         if opts.username is not None and opts.password is None:
 422                 opts.password = getpass.getpass(u'Type account password and press return:')
 423         if opts.ratelimit is not None:
 424                 numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
 425                 if numeric_limit is None:
 426                         parser.error(u'invalid rate limit specified')
 427                 opts.ratelimit = numeric_limit
 428         if opts.retries is not None:
 429                 try:
 430                         opts.retries = long(opts.retries)
 431                 except (TypeError, ValueError), err:
 432                         parser.error(u'invalid retry count specified')
 433         try:
 434                 opts.playliststart = int(opts.playliststart)
 435                 if opts.playliststart <= 0:
 436                         raise ValueError(u'Playlist start must be positive')
 437         except (TypeError, ValueError), err:
 438                 parser.error(u'invalid playlist start number specified')
 439         try:
 440                 opts.playlistend = int(opts.playlistend)
 441                 if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
 442                         raise ValueError(u'Playlist end must be greater than playlist start')
 443         except (TypeError, ValueError), err:
 444                 parser.error(u'invalid playlist end number specified')
 445         if opts.extractaudio:
 446                 if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
 447                         parser.error(u'invalid audio format specified')
 448
 449         # File downloader
 450         fd = FileDownloader({
 451                 'usenetrc': opts.usenetrc,
 452                 'username': opts.username,
 453                 'password': opts.password,
 454                 'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
 455                 'forceurl': opts.geturl,
 456                 'forcetitle': opts.gettitle,
 457                 'forcethumbnail': opts.getthumbnail,
 458                 'forcedescription': opts.getdescription,
 459                 'forcefilename': opts.getfilename,
 460                 'forceformat': opts.getformat,
 461                 'simulate': opts.simulate,
 462                 '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),
 463                 'format': opts.format,
 464                 'format_limit': opts.format_limit,
 465                 'listformats': opts.listformats,
 466                 'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
 467                         or (opts.format == '-1' and opts.usetitle and u'%(stitle)s-%(id)s-%(format)s.%(ext)s')
 468                         or (opts.format == '-1' and opts.useliteral and u'%(title)s-%(id)s-%(format)s.%(ext)s')
 469                         or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
 470                         or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(stitle)s-%(id)s.%(ext)s')
 471                         or (opts.useliteral and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
 472                         or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
 473                         or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
 474                         or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
 475                         or u'%(id)s.%(ext)s'),
 476                 'ignoreerrors': opts.ignoreerrors,
 477                 'ratelimit': opts.ratelimit,
 478                 'nooverwrites': opts.nooverwrites,
 479                 'retries': opts.retries,
 480                 'continuedl': opts.continue_dl,
 481                 'noprogress': opts.noprogress,
 482                 'playliststart': opts.playliststart,
 483                 'playlistend': opts.playlistend,
 484                 'logtostderr': opts.outtmpl == '-',
 485                 'consoletitle': opts.consoletitle,
 486                 'nopart': opts.nopart,
 487                 'updatetime': opts.updatetime,
 488                 'writedescription': opts.writedescription,
 489                 'writeinfojson': opts.writeinfojson,
 490                 'writesubtitles': opts.writesubtitles,
 491                 'subtitleslang': opts.subtitleslang,
 492                 'matchtitle': opts.matchtitle,
 493                 'rejecttitle': opts.rejecttitle,
 494                 'max_downloads': opts.max_downloads,
 495                 'prefer_free_formats': opts.prefer_free_formats,
 496                 'verbose': opts.verbose,
 497                 })
 498
 499         if opts.verbose:
 500                 fd.to_screen(u'[debug] Proxy map: ' + str(proxy_handler.proxies))
 501
 502         for extractor in extractors:
 503                 fd.add_info_extractor(extractor)
 504
 505         # PostProcessors
 506         if opts.extractaudio:
 507                 fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, keepvideo=opts.keepvideo))
 508
 509         # Update version
 510         if opts.update_self:
 511                 updateSelf(fd, sys.argv[0])
 512
 513         # Maybe do nothing
 514         if len(all_urls) < 1:
 515                 if not opts.update_self:
 516                         parser.error(u'you must provide at least one URL')
 517                 else:
 518                         sys.exit()
 519
 520         try:
 521                 retcode = fd.download(all_urls)
 522         except MaxDownloadsReached:
 523                 fd.to_screen(u'--max-download limit reached, aborting.')
 524                 retcode = 101
 525
 526         # Dump cookie jar if requested
 527         if opts.cookiefile is not None:
 528                 try:
 529                         jar.save()
 530                 except (IOError, OSError), err:
 531                         sys.exit(u'ERROR: unable to save cookie jar')
 532
 533         sys.exit(retcode)
 534
 535 def main():
 536         try:
 537                 _real_main()
 538         except DownloadError:
 539                 sys.exit(1)
 540         except SameFileError:
 541                 sys.exit(u'ERROR: fixed output name but more than one file to download')
 542         except KeyboardInterrupt:
 543                 sys.exit(u'\nERROR: Interrupted by user')