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