aboutsummaryrefslogtreecommitdiff
path: root/youtube_dl/__init__.py
blob: 80f3b9f335cd32c84295280073f1942e291a07d9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
#!/usr/bin/env python
# -*- coding: utf-8 -*-

from __future__ import with_statement
from __future__ import absolute_import

__authors__  = (
    'Ricardo Garcia Gonzalez',
    'Danny Colligan',
    'Benjamin Johnson',
    'Vasyl\' Vavrychuk',
    'Witold Baryluk',
    'Paweł Paprota',
    'Gergely Imreh',
    'Rogério Brito',
    'Philipp Hagemeister',
    'Sören Schulze',
    'Kevin Ngo',
    'Ori Avtalion',
    'shizeeg',
    'Filippo Valsorda',
    'Christian Albrecht',
    'Dave Vasilevsky',
    'Jaime Marquínez Ferrándiz',
    'Jeff Crouse',
    'Osama Khalid',
    'Michael Walter',
    'M. Yasoob Ullah Khalid',
    'Julien Fraichard',
    'Johny Mo Swag',
    )

__license__ = 'Public Domain'

import codecs
import getpass
import optparse
import os
import re
import shlex
import socket
import subprocess
import sys
import warnings
import platform

from .utils import *
from .update import update_self
from .version import __version__
from .FileDownloader import *
from .InfoExtractors import gen_extractors
from .PostProcessor import *

def parseOpts(overrideArguments=None):
    def _readOptions(filename_bytes):
        try:
            optionf = open(filename_bytes)
        except IOError:
            return [] # silently skip if file is not present
        try:
            res = []
            for l in optionf:
                res += shlex.split(l, comments=True)
        finally:
            optionf.close()
        return res

    def _format_option_string(option):
        ''' ('-o', '--option') -> -o, --format METAVAR'''

        opts = []

        if option._short_opts:
            opts.append(option._short_opts[0])
        if option._long_opts:
            opts.append(option._long_opts[0])
        if len(opts) > 1:
            opts.insert(1, ', ')

        if option.takes_value(): opts.append(' %s' % option.metavar)

        return "".join(opts)

    def _find_term_columns():
        columns = os.environ.get('COLUMNS', None)
        if columns:
            return int(columns)

        try:
            sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
            out,err = sp.communicate()
            return int(out.split()[1])
        except:
            pass
        return None

    max_width = 80
    max_help_position = 80

    # No need to wrap help messages if we're on a wide console
    columns = _find_term_columns()
    if columns: max_width = columns

    fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
    fmt.format_option_strings = _format_option_string

    kw = {
        'version'   : __version__,
        'formatter' : fmt,
        'usage' : '%prog [options] url [url...]',
        'conflict_handler' : 'resolve',
    }

    parser = optparse.OptionParser(**kw)

    # option groups
    general        = optparse.OptionGroup(parser, 'General Options')
    selection      = optparse.OptionGroup(parser, 'Video Selection')
    authentication = optparse.OptionGroup(parser, 'Authentication Options')
    video_format   = optparse.OptionGroup(parser, 'Video Format Options')
    postproc       = optparse.OptionGroup(parser, 'Post-processing Options')
    filesystem     = optparse.OptionGroup(parser, 'Filesystem Options')
    verbosity      = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')

    general.add_option('-h', '--help',
            action='help', help='print this help text and exit')
    general.add_option('-v', '--version',
            action='version', help='print program version and exit')
    general.add_option('-U', '--update',
            action='store_true', dest='update_self', help='update this program to latest version')
    general.add_option('-i', '--ignore-errors',
            action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
    general.add_option('-r', '--rate-limit',
            dest='ratelimit', metavar='LIMIT', help='maximum download rate (e.g. 50k or 44.6m)')
    general.add_option('-R', '--retries',
            dest='retries', metavar='RETRIES', help='number of retries (default is %default)', default=10)
    general.add_option('--buffer-size',
            dest='buffersize', metavar='SIZE', help='size of download buffer (e.g. 1024 or 16k) (default is %default)', default="1024")
    general.add_option('--no-resize-buffer',
            action='store_true', dest='noresizebuffer',
            help='do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.', default=False)
    general.add_option('--dump-user-agent',
            action='store_true', dest='dump_user_agent',
            help='display the current browser identification', default=False)
    general.add_option('--user-agent',
            dest='user_agent', help='specify a custom user agent', metavar='UA')
    general.add_option('--referer',
            dest='referer', help='specify a custom referer, use if the video access is restricted to one domain',
            metavar='REF', default=None)
    general.add_option('--list-extractors',
            action='store_true', dest='list_extractors',
            help='List all supported extractors and the URLs they would handle', default=False)
    general.add_option('--proxy', dest='proxy', default=None, help='Use the specified HTTP/HTTPS proxy', metavar='URL')
    general.add_option('--no-check-certificate', action='store_true', dest='no_check_certificate', default=False, help='Suppress HTTPS certificate validation.')
    general.add_option('--test', action='store_true', dest='test', default=False, help=optparse.SUPPRESS_HELP)

    selection.add_option('--playlist-start',
            dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is %default)', default=1)
    selection.add_option('--playlist-end',
            dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
    selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
    selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
    selection.add_option('--max-downloads', metavar='NUMBER', dest='max_downloads', help='Abort after downloading NUMBER files', default=None)
    selection.add_option('--min-filesize', metavar='SIZE', dest='min_filesize', help="Do not download any videos smaller than SIZE (e.g. 50k or 44.6m)", default=None)
    selection.add_option('--max-filesize', metavar='SIZE', dest='max_filesize', help="Do not download any videos larger than SIZE (e.g. 50k or 44.6m)", default=None)
    selection.add_option('--date', metavar='DATE', dest='date', help='download only videos uploaded in this date', default=None)
    selection.add_option('--datebefore', metavar='DATE', dest='datebefore', help='download only videos uploaded before this date', default=None)
    selection.add_option('--dateafter', metavar='DATE', dest='dateafter', help='download only videos uploaded after this date', default=None)


    authentication.add_option('-u', '--username',
            dest='username', metavar='USERNAME', help='account username')
    authentication.add_option('-p', '--password',
            dest='password', metavar='PASSWORD', help='account password')
    authentication.add_option('-n', '--netrc',
            action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)


    video_format.add_option('-f', '--format',
            action='store', dest='format', metavar='FORMAT',
            help='video format code, specifiy the order of preference using slashes: "-f 22/17/18"')
    video_format.add_option('--all-formats',
            action='store_const', dest='format', help='download all available video formats', const='all')
    video_format.add_option('--prefer-free-formats',
            action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
    video_format.add_option('--max-quality',
            action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
    video_format.add_option('-F', '--list-formats',
            action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
    video_format.add_option('--write-sub', '--write-srt',
            action='store_true', dest='writesubtitles',
            help='write subtitle file (currently youtube only)', default=False)
    video_format.add_option('--only-sub',
            action='store_true', dest='onlysubtitles',
            help='downloads only the subtitles (no video)', default=False)
    video_format.add_option('--all-subs',
            action='store_true', dest='allsubtitles',
            help='downloads all the available subtitles of the video (currently youtube only)', default=False)
    video_format.add_option('--list-subs',
            action='store_true', dest='listsubtitles',
            help='lists all available subtitles for the video (currently youtube only)', default=False)
    video_format.add_option('--sub-format',
            action='store', dest='subtitlesformat', metavar='LANG',
            help='subtitle format [srt/sbv] (default=srt) (currently youtube only)', default='srt')
    video_format.add_option('--sub-lang', '--srt-lang',
            action='store', dest='subtitleslang', metavar='LANG',
            help='language of the subtitles to download (optional) use IETF language tags like \'en\'')

    verbosity.add_option('-q', '--quiet',
            action='store_true', dest='quiet', help='activates quiet mode', default=False)
    verbosity.add_option('-s', '--simulate',
            action='store_true', dest='simulate', help='do not download the video and do not write anything to disk', default=False)
    verbosity.add_option('--skip-download',
            action='store_true', dest='skip_download', help='do not download the video', default=False)
    verbosity.add_option('-g', '--get-url',
            action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
    verbosity.add_option('-e', '--get-title',
            action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
    verbosity.add_option('--get-id',
            action='store_true', dest='getid', help='simulate, quiet but print id', default=False)
    verbosity.add_option('--get-thumbnail',
            action='store_true', dest='getthumbnail',
            help='simulate, quiet but print thumbnail URL', default=False)
    verbosity.add_option('--get-description',
            action='store_true', dest='getdescription',
            help='simulate, quiet but print video description', default=False)
    verbosity.add_option('--get-filename',
            action='store_true', dest='getfilename',
            help='simulate, quiet but print output filename', default=False)
    verbosity.add_option('--get-format',
            action='store_true', dest='getformat',
            help='simulate, quiet but print output format', default=False)
    verbosity.add_option('--newline',
            action='store_true', dest='progress_with_newline', help='output progress bar as new lines', default=False)
    verbosity.add_option('--no-progress',
            action='store_true', dest='noprogress', help='do not print progress bar', default=False)
    verbosity.add_option('--console-title',
            action='store_true', dest='consoletitle',
            help='display progress in console titlebar', default=False)
    verbosity.add_option('-v', '--verbose',
            action='store_true', dest='verbose', help='print various debugging information', default=False)
    verbosity.add_option('--dump-intermediate-pages',
            action='store_true', dest='dump_intermediate_pages', default=False,
            help='print downloaded pages to debug problems(very verbose)')

    filesystem.add_option('-t', '--title',
            action='store_true', dest='usetitle', help='use title in file name (default)', default=False)
    filesystem.add_option('--id',
            action='store_true', dest='useid', help='use only video ID in file name', default=False)
    filesystem.add_option('-l', '--literal',
            action='store_true', dest='usetitle', help='[deprecated] alias of --title', default=False)
    filesystem.add_option('-A', '--auto-number',
            action='store_true', dest='autonumber',
            help='number downloaded files starting from 00000', default=False)
    filesystem.add_option('-o', '--output',
            dest='outtmpl', metavar='TEMPLATE',
            help=('output filename template. Use %(title)s to get the title, '
                  '%(uploader)s for the uploader name, %(uploader_id)s for the uploader nickname if different, '
                  '%(autonumber)s to get an automatically incremented number, '
                  '%(ext)s for the filename extension, %(upload_date)s for the upload date (YYYYMMDD), '
                  '%(extractor)s for the provider (youtube, metacafe, etc), '
                  '%(id)s for the video id , %(playlist)s for the playlist the video is in, '
                  '%(playlist_index)s for the position in the playlist and %% for a literal percent. '
                  'Use - to output to stdout. Can also be used to download to a different directory, '
                  'for example with -o \'/my/downloads/%(uploader)s/%(title)s-%(id)s.%(ext)s\' .'))
    filesystem.add_option('--autonumber-size',
            dest='autonumber_size', metavar='NUMBER',
            help='Specifies the number of digits in %(autonumber)s when it is present in output filename template or --autonumber option is given')
    filesystem.add_option('--restrict-filenames',
            action='store_true', dest='restrictfilenames',
            help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames', default=False)
    filesystem.add_option('-a', '--batch-file',
            dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
    filesystem.add_option('-w', '--no-overwrites',
            action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
    filesystem.add_option('-c', '--continue',
            action='store_true', dest='continue_dl', help='resume partially downloaded files', default=True)
    filesystem.add_option('--no-continue',
            action='store_false', dest='continue_dl',
            help='do not resume partially downloaded files (restart from beginning)')
    filesystem.add_option('--cookies',
            dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
    filesystem.add_option('--no-part',
            action='store_true', dest='nopart', help='do not use .part files', default=False)
    filesystem.add_option('--no-mtime',
            action='store_false', dest='updatetime',
            help='do not use the Last-modified header to set the file modification time', default=True)
    filesystem.add_option('--write-description',
            action='store_true', dest='writedescription',
            help='write video description to a .description file', default=False)
    filesystem.add_option('--write-info-json',
            action='store_true', dest='writeinfojson',
            help='write video metadata to a .info.json file', default=False)
    filesystem.add_option('--write-thumbnail',
            action='store_true', dest='writethumbnail',
            help='write thumbnail image to disk', default=False)


    postproc.add_option('-x', '--extract-audio', action='store_true', dest='extractaudio', default=False,
            help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
    postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
            help='"best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; best by default')
    postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='5',
            help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)')
    postproc.add_option('--recode-video', metavar='FORMAT', dest='recodevideo', default=None,
            help='Encode the video to another format if necessary (currently supported: mp4|flv|ogg|webm)')
    postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
            help='keeps the video file on disk after the post-processing; the video is erased by default')
    postproc.add_option('--no-post-overwrites', action='store_true', dest='nopostoverwrites', default=False,
            help='do not overwrite post-processed files; the post-processed files are overwritten by default')


    parser.add_option_group(general)
    parser.add_option_group(selection)
    parser.add_option_group(filesystem)
    parser.add_option_group(verbosity)
    parser.add_option_group(video_format)
    parser.add_option_group(authentication)
    parser.add_option_group(postproc)

    if overrideArguments is not None:
        opts, args = parser.parse_args(overrideArguments)
        if opts.verbose:
            print(u'[debug] Override config: ' + repr(overrideArguments))
    else:
        xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
        if xdg_config_home:
            userConfFile = os.path.join(xdg_config_home, 'youtube-dl.conf')
        else:
            userConfFile = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
        systemConf = _readOptions('/etc/youtube-dl.conf')
        userConf = _readOptions(userConfFile)
        commandLineConf = sys.argv[1:] 
        argv = systemConf + userConf + commandLineConf
        opts, args = parser.parse_args(argv)
        if opts.verbose:
            print(u'[debug] System config: ' + repr(systemConf))
            print(u'[debug] User config: ' + repr(userConf))
            print(u'[debug] Command-line args: ' + repr(commandLineConf))

    return parser, opts, args

def _real_main(argv=None):
    # Compatibility fixes for Windows
    if sys.platform == 'win32':
        # https://github.com/rg3/youtube-dl/issues/820
        codecs.register(lambda name: codecs.lookup('utf-8') if name == 'cp65001' else None)

    parser, opts, args = parseOpts(argv)

    # Open appropriate CookieJar
    if opts.cookiefile is None:
        jar = compat_cookiejar.CookieJar()
    else:
        try:
            jar = compat_cookiejar.MozillaCookieJar(opts.cookiefile)
            if os.access(opts.cookiefile, os.R_OK):
                jar.load()
        except (IOError, OSError) as err:
            if opts.verbose:
                traceback.print_exc()
            sys.stderr.write(u'ERROR: unable to open cookie file\n')
            sys.exit(101)
    # Set user agent
    if opts.user_agent is not None:
        std_headers['User-Agent'] = opts.user_agent
    
    # Set referer
    if opts.referer is not None:
        std_headers['Referer'] = opts.referer

    # Dump user agent
    if opts.dump_user_agent:
        print(std_headers['User-Agent'])
        sys.exit(0)

    # Batch file verification
    batchurls = []
    if opts.batchfile is not None:
        try:
            if opts.batchfile == '-':
                batchfd = sys.stdin
            else:
                batchfd = open(opts.batchfile, 'r')
            batchurls = batchfd.readlines()
            batchurls = [x.strip() for x in batchurls]
            batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
        except IOError:
            sys.exit(u'ERROR: batch file could not be read')
    all_urls = batchurls + args
    all_urls = [url.strip() for url in all_urls]

    # General configuration
    cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
    if opts.proxy:
        proxies = {'http': opts.proxy, 'https': opts.proxy}
    else:
        proxies = compat_urllib_request.getproxies()
        # Set HTTPS proxy to HTTP one if given (https://github.com/rg3/youtube-dl/issues/805)
        if 'http' in proxies and 'https' not in proxies:
            proxies['https'] = proxies['http']
    proxy_handler = compat_urllib_request.ProxyHandler(proxies)
    https_handler = make_HTTPS_handler(opts)
    opener = compat_urllib_request.build_opener(https_handler, proxy_handler, cookie_processor, YoutubeDLHandler())
    compat_urllib_request.install_opener(opener)
    socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)

    extractors = gen_extractors()

    if opts.list_extractors:
        for ie in extractors:
            print(ie.IE_NAME + (' (CURRENTLY BROKEN)' if not ie._WORKING else ''))
            matchedUrls = [url for url in all_urls if ie.suitable(url)]
            all_urls = [url for url in all_urls if url not in matchedUrls]
            for mu in matchedUrls:
                print(u'  ' + mu)
        sys.exit(0)

    # Conflicting, missing and erroneous options
    if opts.usenetrc and (opts.username is not None or opts.password is not None):
        parser.error(u'using .netrc conflicts with giving username/password')
    if opts.password is not None and opts.username is None:
        parser.error(u'account username missing')
    if opts.outtmpl is not None and (opts.usetitle or opts.autonumber or opts.useid):
        parser.error(u'using output template conflicts with using title, video ID or auto number')
    if opts.usetitle and opts.useid:
        parser.error(u'using title conflicts with using video ID')
    if opts.username is not None and opts.password is None:
        opts.password = getpass.getpass(u'Type account password and press return:')
    if opts.ratelimit is not None:
        numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
        if numeric_limit is None:
            parser.error(u'invalid rate limit specified')
        opts.ratelimit = numeric_limit
    if opts.min_filesize is not None:
        numeric_limit = FileDownloader.parse_bytes(opts.min_filesize)
        if numeric_limit is None:
            parser.error(u'invalid min_filesize specified')
        opts.min_filesize = numeric_limit
    if opts.max_filesize is not None:
        numeric_limit = FileDownloader.parse_bytes(opts.max_filesize)
        if numeric_limit is None:
            parser.error(u'invalid max_filesize specified')
        opts.max_filesize = numeric_limit
    if opts.retries is not None:
        try:
            opts.retries = int(opts.retries)
        except (TypeError, ValueError) as err:
            parser.error(u'invalid retry count specified')
    if opts.buffersize is not None:
        numeric_buffersize = FileDownloader.parse_bytes(opts.buffersize)
        if numeric_buffersize is None:
            parser.error(u'invalid buffer size specified')
        opts.buffersize = numeric_buffersize
    try:
        opts.playliststart = int(opts.playliststart)
        if opts.playliststart <= 0:
            raise ValueError(u'Playlist start must be positive')
    except (TypeError, ValueError) as err:
        parser.error(u'invalid playlist start number specified')
    try:
        opts.playlistend = int(opts.playlistend)
        if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
            raise ValueError(u'Playlist end must be greater than playlist start')
    except (TypeError, ValueError) as err:
        parser.error(u'invalid playlist end number specified')
    if opts.extractaudio:
        if opts.audioformat not in ['best', 'aac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav']:
            parser.error(u'invalid audio format specified')
    if opts.audioquality:
        opts.audioquality = opts.audioquality.strip('k').strip('K')
        if not opts.audioquality.isdigit():
            parser.error(u'invalid audio quality specified')
    if opts.recodevideo is not None:
        if opts.recodevideo not in ['mp4', 'flv', 'webm', 'ogg']:
            parser.error(u'invalid video recode format specified')
    if opts.date is not None:
        date = DateRange.day(opts.date)
    else:
        date = DateRange(opts.dateafter, opts.datebefore)

    if sys.version_info < (3,):
        # In Python 2, sys.argv is a bytestring (also note http://bugs.python.org/issue2128 for Windows systems)
        if opts.outtmpl is not None:
            opts.outtmpl = opts.outtmpl.decode(preferredencoding())
    outtmpl =((opts.outtmpl is not None and opts.outtmpl)
            or (opts.format == '-1' and opts.usetitle and u'%(title)s-%(id)s-%(format)s.%(ext)s')
            or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
            or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
            or (opts.usetitle and u'%(title)s-%(id)s.%(ext)s')
            or (opts.useid and u'%(id)s.%(ext)s')
            or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
            or u'%(title)s-%(id)s.%(ext)s')

    # File downloader
    fd = FileDownloader({
        'usenetrc': opts.usenetrc,
        'username': opts.username,
        'password': opts.password,
        'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getid or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
        'forceurl': opts.geturl,
        'forcetitle': opts.gettitle,
        'forceid': opts.getid,
        'forcethumbnail': opts.getthumbnail,
        'forcedescription': opts.getdescription,
        'forcefilename': opts.getfilename,
        'forceformat': opts.getformat,
        'simulate': opts.simulate,
        'skip_download': (opts.skip_download or opts.simulate or opts.geturl or opts.gettitle or opts.getid or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
        'format': opts.format,
        'format_limit': opts.format_limit,
        'listformats': opts.listformats,
        'outtmpl': outtmpl,
        'autonumber_size': opts.autonumber_size,
        'restrictfilenames': opts.restrictfilenames,
        'ignoreerrors': opts.ignoreerrors,
        'ratelimit': opts.ratelimit,
        'nooverwrites': opts.nooverwrites,
        'retries': opts.retries,
        'buffersize': opts.buffersize,
        'noresizebuffer': opts.noresizebuffer,
        'continuedl': opts.continue_dl,
        'noprogress': opts.noprogress,
        'progress_with_newline': opts.progress_with_newline,
        'playliststart': opts.playliststart,
        'playlistend': opts.playlistend,
        'logtostderr': opts.outtmpl == '-',
        'consoletitle': opts.consoletitle,
        'nopart': opts.nopart,
        'updatetime': opts.updatetime,
        'writedescription': opts.writedescription,
        'writeinfojson': opts.writeinfojson,
        'writethumbnail': opts.writethumbnail,
        'writesubtitles': opts.writesubtitles,
        'onlysubtitles': opts.onlysubtitles,
        'allsubtitles': opts.allsubtitles,
        'listsubtitles': opts.listsubtitles,
        'subtitlesformat': opts.subtitlesformat,
        'subtitleslang': opts.subtitleslang,
        'matchtitle': decodeOption(opts.matchtitle),
        'rejecttitle': decodeOption(opts.rejecttitle),
        'max_downloads': opts.max_downloads,
        'prefer_free_formats': opts.prefer_free_formats,
        'verbose': opts.verbose,
        'dump_intermediate_pages': opts.dump_intermediate_pages,
        'test': opts.test,
        'keepvideo': opts.keepvideo,
        'min_filesize': opts.min_filesize,
        'max_filesize': opts.max_filesize,
        'daterange': date,
        })

    if opts.verbose:
        fd.to_screen(u'[debug] youtube-dl version ' + __version__)
        try:
            sp = subprocess.Popen(['git', 'rev-parse', '--short', 'HEAD'], stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                                  cwd=os.path.dirname(os.path.abspath(__file__)))
            out, err = sp.communicate()
            out = out.decode().strip()
            if re.match('[0-9a-f]+', out):
                fd.to_screen(u'[debug] Git HEAD: ' + out)
        except:
            pass
        fd.to_screen(u'[debug] Python version %s - %s' %(platform.python_version(), platform.platform()))
        fd.to_screen(u'[debug] Proxy map: ' + str(proxy_handler.proxies))

    for extractor in extractors:
        fd.add_info_extractor(extractor)

    # PostProcessors
    if opts.extractaudio:
        fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, nopostoverwrites=opts.nopostoverwrites))
    if opts.recodevideo:
        fd.add_post_processor(FFmpegVideoConvertor(preferedformat=opts.recodevideo))

    # Update version
    if opts.update_self:
        update_self(fd.to_screen, opts.verbose, sys.argv[0])

    # Maybe do nothing
    if len(all_urls) < 1:
        if not opts.update_self:
            parser.error(u'you must provide at least one URL')
        else:
            sys.exit()

    try:
        retcode = fd.download(all_urls)
    except MaxDownloadsReached:
        fd.to_screen(u'--max-download limit reached, aborting.')
        retcode = 101

    # Dump cookie jar if requested
    if opts.cookiefile is not None:
        try:
            jar.save()
        except (IOError, OSError) as err:
            sys.exit(u'ERROR: unable to save cookie jar')

    sys.exit(retcode)

def main(argv=None):
    try:
        _real_main(argv)
    except DownloadError:
        sys.exit(1)
    except SameFileError:
        sys.exit(u'ERROR: fixed output name but more than one file to download')
    except KeyboardInterrupt:
        sys.exit(u'\nERROR: Interrupted by user')