Raphaël G. Git Repositories - youtubedl/blob - test/test_YoutubeDL.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import unicode_literals
   4
   5 # Allow direct execution
   6 import os
   7 import sys
   8 import unittest
   9 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  10
  11 import copy
  12
  13 from test.helper import FakeYDL, assertRegexpMatches
  14 from youtube_dl import YoutubeDL
  15 from youtube_dl.compat import compat_str, compat_urllib_error
  16 from youtube_dl.extractor import YoutubeIE
  17 from youtube_dl.extractor.common import InfoExtractor
  18 from youtube_dl.postprocessor.common import PostProcessor
  19 from youtube_dl.utils import ExtractorError, match_filter_func
  20
  21 TEST_URL = 'http://localhost/sample.mp4'
  22
  23
  24 class YDL(FakeYDL):
  25     def __init__(self, *args, **kwargs):
  26         super(YDL, self).__init__(*args, **kwargs)
  27         self.downloaded_info_dicts = []
  28         self.msgs = []
  29
  30     def process_info(self, info_dict):
  31         self.downloaded_info_dicts.append(info_dict)
  32
  33     def to_screen(self, msg):
  34         self.msgs.append(msg)
  35
  36
  37 def _make_result(formats, **kwargs):
  38     res = {
  39         'formats': formats,
  40         'id': 'testid',
  41         'title': 'testttitle',
  42         'extractor': 'testex',
  43     }
  44     res.update(**kwargs)
  45     return res
  46
  47
  48 class TestFormatSelection(unittest.TestCase):
  49     def test_prefer_free_formats(self):
  50         # Same resolution => download webm
  51         ydl = YDL()
  52         ydl.params['prefer_free_formats'] = True
  53         formats = [
  54             {'ext': 'webm', 'height': 460, 'url': TEST_URL},
  55             {'ext': 'mp4', 'height': 460, 'url': TEST_URL},
  56         ]
  57         info_dict = _make_result(formats)
  58         yie = YoutubeIE(ydl)
  59         yie._sort_formats(info_dict['formats'])
  60         ydl.process_ie_result(info_dict)
  61         downloaded = ydl.downloaded_info_dicts[0]
  62         self.assertEqual(downloaded['ext'], 'webm')
  63
  64         # Different resolution => download best quality (mp4)
  65         ydl = YDL()
  66         ydl.params['prefer_free_formats'] = True
  67         formats = [
  68             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  69             {'ext': 'mp4', 'height': 1080, 'url': TEST_URL},
  70         ]
  71         info_dict['formats'] = formats
  72         yie = YoutubeIE(ydl)
  73         yie._sort_formats(info_dict['formats'])
  74         ydl.process_ie_result(info_dict)
  75         downloaded = ydl.downloaded_info_dicts[0]
  76         self.assertEqual(downloaded['ext'], 'mp4')
  77
  78         # No prefer_free_formats => prefer mp4 and flv for greater compatibility
  79         ydl = YDL()
  80         ydl.params['prefer_free_formats'] = False
  81         formats = [
  82             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  83             {'ext': 'mp4', 'height': 720, 'url': TEST_URL},
  84             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
  85         ]
  86         info_dict['formats'] = formats
  87         yie = YoutubeIE(ydl)
  88         yie._sort_formats(info_dict['formats'])
  89         ydl.process_ie_result(info_dict)
  90         downloaded = ydl.downloaded_info_dicts[0]
  91         self.assertEqual(downloaded['ext'], 'mp4')
  92
  93         ydl = YDL()
  94         ydl.params['prefer_free_formats'] = False
  95         formats = [
  96             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
  97             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  98         ]
  99         info_dict['formats'] = formats
 100         yie = YoutubeIE(ydl)
 101         yie._sort_formats(info_dict['formats'])
 102         ydl.process_ie_result(info_dict)
 103         downloaded = ydl.downloaded_info_dicts[0]
 104         self.assertEqual(downloaded['ext'], 'flv')
 105
 106     def test_format_selection(self):
 107         formats = [
 108             {'format_id': '35', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
 109             {'format_id': 'example-with-dashes', 'ext': 'webm', 'preference': 1, 'url': TEST_URL},
 110             {'format_id': '45', 'ext': 'webm', 'preference': 2, 'url': TEST_URL},
 111             {'format_id': '47', 'ext': 'webm', 'preference': 3, 'url': TEST_URL},
 112             {'format_id': '2', 'ext': 'flv', 'preference': 4, 'url': TEST_URL},
 113         ]
 114         info_dict = _make_result(formats)
 115
 116         ydl = YDL({'format': '20/47'})
 117         ydl.process_ie_result(info_dict.copy())
 118         downloaded = ydl.downloaded_info_dicts[0]
 119         self.assertEqual(downloaded['format_id'], '47')
 120
 121         ydl = YDL({'format': '20/71/worst'})
 122         ydl.process_ie_result(info_dict.copy())
 123         downloaded = ydl.downloaded_info_dicts[0]
 124         self.assertEqual(downloaded['format_id'], '35')
 125
 126         ydl = YDL()
 127         ydl.process_ie_result(info_dict.copy())
 128         downloaded = ydl.downloaded_info_dicts[0]
 129         self.assertEqual(downloaded['format_id'], '2')
 130
 131         ydl = YDL({'format': 'webm/mp4'})
 132         ydl.process_ie_result(info_dict.copy())
 133         downloaded = ydl.downloaded_info_dicts[0]
 134         self.assertEqual(downloaded['format_id'], '47')
 135
 136         ydl = YDL({'format': '3gp/40/mp4'})
 137         ydl.process_ie_result(info_dict.copy())
 138         downloaded = ydl.downloaded_info_dicts[0]
 139         self.assertEqual(downloaded['format_id'], '35')
 140
 141         ydl = YDL({'format': 'example-with-dashes'})
 142         ydl.process_ie_result(info_dict.copy())
 143         downloaded = ydl.downloaded_info_dicts[0]
 144         self.assertEqual(downloaded['format_id'], 'example-with-dashes')
 145
 146     def test_format_selection_audio(self):
 147         formats = [
 148             {'format_id': 'audio-low', 'ext': 'webm', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 149             {'format_id': 'audio-mid', 'ext': 'webm', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 150             {'format_id': 'audio-high', 'ext': 'flv', 'preference': 3, 'vcodec': 'none', 'url': TEST_URL},
 151             {'format_id': 'vid', 'ext': 'mp4', 'preference': 4, 'url': TEST_URL},
 152         ]
 153         info_dict = _make_result(formats)
 154
 155         ydl = YDL({'format': 'bestaudio'})
 156         ydl.process_ie_result(info_dict.copy())
 157         downloaded = ydl.downloaded_info_dicts[0]
 158         self.assertEqual(downloaded['format_id'], 'audio-high')
 159
 160         ydl = YDL({'format': 'worstaudio'})
 161         ydl.process_ie_result(info_dict.copy())
 162         downloaded = ydl.downloaded_info_dicts[0]
 163         self.assertEqual(downloaded['format_id'], 'audio-low')
 164
 165         formats = [
 166             {'format_id': 'vid-low', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
 167             {'format_id': 'vid-high', 'ext': 'mp4', 'preference': 2, 'url': TEST_URL},
 168         ]
 169         info_dict = _make_result(formats)
 170
 171         ydl = YDL({'format': 'bestaudio/worstaudio/best'})
 172         ydl.process_ie_result(info_dict.copy())
 173         downloaded = ydl.downloaded_info_dicts[0]
 174         self.assertEqual(downloaded['format_id'], 'vid-high')
 175
 176     def test_format_selection_audio_exts(self):
 177         formats = [
 178             {'format_id': 'mp3-64', 'ext': 'mp3', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 179             {'format_id': 'ogg-64', 'ext': 'ogg', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 180             {'format_id': 'aac-64', 'ext': 'aac', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 181             {'format_id': 'mp3-32', 'ext': 'mp3', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 182             {'format_id': 'aac-32', 'ext': 'aac', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 183         ]
 184
 185         info_dict = _make_result(formats)
 186         ydl = YDL({'format': 'best'})
 187         ie = YoutubeIE(ydl)
 188         ie._sort_formats(info_dict['formats'])
 189         ydl.process_ie_result(copy.deepcopy(info_dict))
 190         downloaded = ydl.downloaded_info_dicts[0]
 191         self.assertEqual(downloaded['format_id'], 'aac-64')
 192
 193         ydl = YDL({'format': 'mp3'})
 194         ie = YoutubeIE(ydl)
 195         ie._sort_formats(info_dict['formats'])
 196         ydl.process_ie_result(copy.deepcopy(info_dict))
 197         downloaded = ydl.downloaded_info_dicts[0]
 198         self.assertEqual(downloaded['format_id'], 'mp3-64')
 199
 200         ydl = YDL({'prefer_free_formats': True})
 201         ie = YoutubeIE(ydl)
 202         ie._sort_formats(info_dict['formats'])
 203         ydl.process_ie_result(copy.deepcopy(info_dict))
 204         downloaded = ydl.downloaded_info_dicts[0]
 205         self.assertEqual(downloaded['format_id'], 'ogg-64')
 206
 207     def test_format_selection_video(self):
 208         formats = [
 209             {'format_id': 'dash-video-low', 'ext': 'mp4', 'preference': 1, 'acodec': 'none', 'url': TEST_URL},
 210             {'format_id': 'dash-video-high', 'ext': 'mp4', 'preference': 2, 'acodec': 'none', 'url': TEST_URL},
 211             {'format_id': 'vid', 'ext': 'mp4', 'preference': 3, 'url': TEST_URL},
 212         ]
 213         info_dict = _make_result(formats)
 214
 215         ydl = YDL({'format': 'bestvideo'})
 216         ydl.process_ie_result(info_dict.copy())
 217         downloaded = ydl.downloaded_info_dicts[0]
 218         self.assertEqual(downloaded['format_id'], 'dash-video-high')
 219
 220         ydl = YDL({'format': 'worstvideo'})
 221         ydl.process_ie_result(info_dict.copy())
 222         downloaded = ydl.downloaded_info_dicts[0]
 223         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 224
 225         ydl = YDL({'format': 'bestvideo[format_id^=dash][format_id$=low]'})
 226         ydl.process_ie_result(info_dict.copy())
 227         downloaded = ydl.downloaded_info_dicts[0]
 228         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 229
 230         formats = [
 231             {'format_id': 'vid-vcodec-dot', 'ext': 'mp4', 'preference': 1, 'vcodec': 'avc1.123456', 'acodec': 'none', 'url': TEST_URL},
 232         ]
 233         info_dict = _make_result(formats)
 234
 235         ydl = YDL({'format': 'bestvideo[vcodec=avc1.123456]'})
 236         ydl.process_ie_result(info_dict.copy())
 237         downloaded = ydl.downloaded_info_dicts[0]
 238         self.assertEqual(downloaded['format_id'], 'vid-vcodec-dot')
 239
 240     def test_youtube_format_selection(self):
 241         order = [
 242             '38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '17', '36', '13',
 243             # Apple HTTP Live Streaming
 244             '96', '95', '94', '93', '92', '132', '151',
 245             # 3D
 246             '85', '84', '102', '83', '101', '82', '100',
 247             # Dash video
 248             '137', '248', '136', '247', '135', '246',
 249             '245', '244', '134', '243', '133', '242', '160',
 250             # Dash audio
 251             '141', '172', '140', '171', '139',
 252         ]
 253
 254         def format_info(f_id):
 255             info = YoutubeIE._formats[f_id].copy()
 256
 257             # XXX: In real cases InfoExtractor._parse_mpd_formats() fills up 'acodec'
 258             # and 'vcodec', while in tests such information is incomplete since
 259             # commit a6c2c24479e5f4827ceb06f64d855329c0a6f593
 260             # test_YoutubeDL.test_youtube_format_selection is broken without
 261             # this fix
 262             if 'acodec' in info and 'vcodec' not in info:
 263                 info['vcodec'] = 'none'
 264             elif 'vcodec' in info and 'acodec' not in info:
 265                 info['acodec'] = 'none'
 266
 267             info['format_id'] = f_id
 268             info['url'] = 'url:' + f_id
 269             return info
 270         formats_order = [format_info(f_id) for f_id in order]
 271
 272         info_dict = _make_result(list(formats_order), extractor='youtube')
 273         ydl = YDL({'format': 'bestvideo+bestaudio'})
 274         yie = YoutubeIE(ydl)
 275         yie._sort_formats(info_dict['formats'])
 276         ydl.process_ie_result(info_dict)
 277         downloaded = ydl.downloaded_info_dicts[0]
 278         self.assertEqual(downloaded['format_id'], '137+141')
 279         self.assertEqual(downloaded['ext'], 'mp4')
 280
 281         info_dict = _make_result(list(formats_order), extractor='youtube')
 282         ydl = YDL({'format': 'bestvideo[height>=999999]+bestaudio/best'})
 283         yie = YoutubeIE(ydl)
 284         yie._sort_formats(info_dict['formats'])
 285         ydl.process_ie_result(info_dict)
 286         downloaded = ydl.downloaded_info_dicts[0]
 287         self.assertEqual(downloaded['format_id'], '38')
 288
 289         info_dict = _make_result(list(formats_order), extractor='youtube')
 290         ydl = YDL({'format': 'bestvideo/best,bestaudio'})
 291         yie = YoutubeIE(ydl)
 292         yie._sort_formats(info_dict['formats'])
 293         ydl.process_ie_result(info_dict)
 294         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 295         self.assertEqual(downloaded_ids, ['137', '141'])
 296
 297         info_dict = _make_result(list(formats_order), extractor='youtube')
 298         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
 299         yie = YoutubeIE(ydl)
 300         yie._sort_formats(info_dict['formats'])
 301         ydl.process_ie_result(info_dict)
 302         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 303         self.assertEqual(downloaded_ids, ['137+141', '248+141'])
 304
 305         info_dict = _make_result(list(formats_order), extractor='youtube')
 306         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
 307         yie = YoutubeIE(ydl)
 308         yie._sort_formats(info_dict['formats'])
 309         ydl.process_ie_result(info_dict)
 310         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 311         self.assertEqual(downloaded_ids, ['136+141', '247+141'])
 312
 313         info_dict = _make_result(list(formats_order), extractor='youtube')
 314         ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
 315         yie = YoutubeIE(ydl)
 316         yie._sort_formats(info_dict['formats'])
 317         ydl.process_ie_result(info_dict)
 318         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 319         self.assertEqual(downloaded_ids, ['248+141'])
 320
 321         for f1, f2 in zip(formats_order, formats_order[1:]):
 322             info_dict = _make_result([f1, f2], extractor='youtube')
 323             ydl = YDL({'format': 'best/bestvideo'})
 324             yie = YoutubeIE(ydl)
 325             yie._sort_formats(info_dict['formats'])
 326             ydl.process_ie_result(info_dict)
 327             downloaded = ydl.downloaded_info_dicts[0]
 328             self.assertEqual(downloaded['format_id'], f1['format_id'])
 329
 330             info_dict = _make_result([f2, f1], extractor='youtube')
 331             ydl = YDL({'format': 'best/bestvideo'})
 332             yie = YoutubeIE(ydl)
 333             yie._sort_formats(info_dict['formats'])
 334             ydl.process_ie_result(info_dict)
 335             downloaded = ydl.downloaded_info_dicts[0]
 336             self.assertEqual(downloaded['format_id'], f1['format_id'])
 337
 338     def test_audio_only_extractor_format_selection(self):
 339         # For extractors with incomplete formats (all formats are audio-only or
 340         # video-only) best and worst should fallback to corresponding best/worst
 341         # video-only or audio-only formats (as per
 342         # https://github.com/rg3/youtube-dl/pull/5556)
 343         formats = [
 344             {'format_id': 'low', 'ext': 'mp3', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 345             {'format_id': 'high', 'ext': 'mp3', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 346         ]
 347         info_dict = _make_result(formats)
 348
 349         ydl = YDL({'format': 'best'})
 350         ydl.process_ie_result(info_dict.copy())
 351         downloaded = ydl.downloaded_info_dicts[0]
 352         self.assertEqual(downloaded['format_id'], 'high')
 353
 354         ydl = YDL({'format': 'worst'})
 355         ydl.process_ie_result(info_dict.copy())
 356         downloaded = ydl.downloaded_info_dicts[0]
 357         self.assertEqual(downloaded['format_id'], 'low')
 358
 359     def test_format_not_available(self):
 360         formats = [
 361             {'format_id': 'regular', 'ext': 'mp4', 'height': 360, 'url': TEST_URL},
 362             {'format_id': 'video', 'ext': 'mp4', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
 363         ]
 364         info_dict = _make_result(formats)
 365
 366         # This must fail since complete video-audio format does not match filter
 367         # and extractor does not provide incomplete only formats (i.e. only
 368         # video-only or audio-only).
 369         ydl = YDL({'format': 'best[height>360]'})
 370         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 371
 372     def test_invalid_format_specs(self):
 373         def assert_syntax_error(format_spec):
 374             ydl = YDL({'format': format_spec})
 375             info_dict = _make_result([{'format_id': 'foo', 'url': TEST_URL}])
 376             self.assertRaises(SyntaxError, ydl.process_ie_result, info_dict)
 377
 378         assert_syntax_error('bestvideo,,best')
 379         assert_syntax_error('+bestaudio')
 380         assert_syntax_error('bestvideo+')
 381         assert_syntax_error('/')
 382
 383     def test_format_filtering(self):
 384         formats = [
 385             {'format_id': 'A', 'filesize': 500, 'width': 1000},
 386             {'format_id': 'B', 'filesize': 1000, 'width': 500},
 387             {'format_id': 'C', 'filesize': 1000, 'width': 400},
 388             {'format_id': 'D', 'filesize': 2000, 'width': 600},
 389             {'format_id': 'E', 'filesize': 3000},
 390             {'format_id': 'F'},
 391             {'format_id': 'G', 'filesize': 1000000},
 392         ]
 393         for f in formats:
 394             f['url'] = 'http://_/'
 395             f['ext'] = 'unknown'
 396         info_dict = _make_result(formats)
 397
 398         ydl = YDL({'format': 'best[filesize<3000]'})
 399         ydl.process_ie_result(info_dict)
 400         downloaded = ydl.downloaded_info_dicts[0]
 401         self.assertEqual(downloaded['format_id'], 'D')
 402
 403         ydl = YDL({'format': 'best[filesize<=3000]'})
 404         ydl.process_ie_result(info_dict)
 405         downloaded = ydl.downloaded_info_dicts[0]
 406         self.assertEqual(downloaded['format_id'], 'E')
 407
 408         ydl = YDL({'format': 'best[filesize <= ? 3000]'})
 409         ydl.process_ie_result(info_dict)
 410         downloaded = ydl.downloaded_info_dicts[0]
 411         self.assertEqual(downloaded['format_id'], 'F')
 412
 413         ydl = YDL({'format': 'best [filesize = 1000] [width>450]'})
 414         ydl.process_ie_result(info_dict)
 415         downloaded = ydl.downloaded_info_dicts[0]
 416         self.assertEqual(downloaded['format_id'], 'B')
 417
 418         ydl = YDL({'format': 'best [filesize = 1000] [width!=450]'})
 419         ydl.process_ie_result(info_dict)
 420         downloaded = ydl.downloaded_info_dicts[0]
 421         self.assertEqual(downloaded['format_id'], 'C')
 422
 423         ydl = YDL({'format': '[filesize>?1]'})
 424         ydl.process_ie_result(info_dict)
 425         downloaded = ydl.downloaded_info_dicts[0]
 426         self.assertEqual(downloaded['format_id'], 'G')
 427
 428         ydl = YDL({'format': '[filesize<1M]'})
 429         ydl.process_ie_result(info_dict)
 430         downloaded = ydl.downloaded_info_dicts[0]
 431         self.assertEqual(downloaded['format_id'], 'E')
 432
 433         ydl = YDL({'format': '[filesize<1MiB]'})
 434         ydl.process_ie_result(info_dict)
 435         downloaded = ydl.downloaded_info_dicts[0]
 436         self.assertEqual(downloaded['format_id'], 'G')
 437
 438         ydl = YDL({'format': 'all[width>=400][width<=600]'})
 439         ydl.process_ie_result(info_dict)
 440         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 441         self.assertEqual(downloaded_ids, ['B', 'C', 'D'])
 442
 443         ydl = YDL({'format': 'best[height<40]'})
 444         try:
 445             ydl.process_ie_result(info_dict)
 446         except ExtractorError:
 447             pass
 448         self.assertEqual(ydl.downloaded_info_dicts, [])
 449
 450
 451 class TestYoutubeDL(unittest.TestCase):
 452     def test_subtitles(self):
 453         def s_formats(lang, autocaption=False):
 454             return [{
 455                 'ext': ext,
 456                 'url': 'http://localhost/video.%s.%s' % (lang, ext),
 457                 '_auto': autocaption,
 458             } for ext in ['vtt', 'srt', 'ass']]
 459         subtitles = dict((l, s_formats(l)) for l in ['en', 'fr', 'es'])
 460         auto_captions = dict((l, s_formats(l, True)) for l in ['it', 'pt', 'es'])
 461         info_dict = {
 462             'id': 'test',
 463             'title': 'Test',
 464             'url': 'http://localhost/video.mp4',
 465             'subtitles': subtitles,
 466             'automatic_captions': auto_captions,
 467             'extractor': 'TEST',
 468         }
 469
 470         def get_info(params={}):
 471             params.setdefault('simulate', True)
 472             ydl = YDL(params)
 473             ydl.report_warning = lambda *args, **kargs: None
 474             return ydl.process_video_result(info_dict, download=False)
 475
 476         result = get_info()
 477         self.assertFalse(result.get('requested_subtitles'))
 478         self.assertEqual(result['subtitles'], subtitles)
 479         self.assertEqual(result['automatic_captions'], auto_captions)
 480
 481         result = get_info({'writesubtitles': True})
 482         subs = result['requested_subtitles']
 483         self.assertTrue(subs)
 484         self.assertEqual(set(subs.keys()), set(['en']))
 485         self.assertTrue(subs['en'].get('data') is None)
 486         self.assertEqual(subs['en']['ext'], 'ass')
 487
 488         result = get_info({'writesubtitles': True, 'subtitlesformat': 'foo/srt'})
 489         subs = result['requested_subtitles']
 490         self.assertEqual(subs['en']['ext'], 'srt')
 491
 492         result = get_info({'writesubtitles': True, 'subtitleslangs': ['es', 'fr', 'it']})
 493         subs = result['requested_subtitles']
 494         self.assertTrue(subs)
 495         self.assertEqual(set(subs.keys()), set(['es', 'fr']))
 496
 497         result = get_info({'writesubtitles': True, 'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 498         subs = result['requested_subtitles']
 499         self.assertTrue(subs)
 500         self.assertEqual(set(subs.keys()), set(['es', 'pt']))
 501         self.assertFalse(subs['es']['_auto'])
 502         self.assertTrue(subs['pt']['_auto'])
 503
 504         result = get_info({'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 505         subs = result['requested_subtitles']
 506         self.assertTrue(subs)
 507         self.assertEqual(set(subs.keys()), set(['es', 'pt']))
 508         self.assertTrue(subs['es']['_auto'])
 509         self.assertTrue(subs['pt']['_auto'])
 510
 511     def test_add_extra_info(self):
 512         test_dict = {
 513             'extractor': 'Foo',
 514         }
 515         extra_info = {
 516             'extractor': 'Bar',
 517             'playlist': 'funny videos',
 518         }
 519         YDL.add_extra_info(test_dict, extra_info)
 520         self.assertEqual(test_dict['extractor'], 'Foo')
 521         self.assertEqual(test_dict['playlist'], 'funny videos')
 522
 523     def test_prepare_filename(self):
 524         info = {
 525             'id': '1234',
 526             'ext': 'mp4',
 527             'width': None,
 528         }
 529
 530         def fname(templ):
 531             ydl = YoutubeDL({'outtmpl': templ})
 532             return ydl.prepare_filename(info)
 533         self.assertEqual(fname('%(id)s.%(ext)s'), '1234.mp4')
 534         self.assertEqual(fname('%(id)s-%(width)s.%(ext)s'), '1234-NA.mp4')
 535         # Replace missing fields with 'NA'
 536         self.assertEqual(fname('%(uploader_date)s-%(id)s.%(ext)s'), 'NA-1234.mp4')
 537
 538     def test_format_note(self):
 539         ydl = YoutubeDL()
 540         self.assertEqual(ydl._format_note({}), '')
 541         assertRegexpMatches(self, ydl._format_note({
 542             'vbr': 10,
 543         }), '^\s*10k$')
 544         assertRegexpMatches(self, ydl._format_note({
 545             'fps': 30,
 546         }), '^30fps$')
 547
 548     def test_postprocessors(self):
 549         filename = 'post-processor-testfile.mp4'
 550         audiofile = filename + '.mp3'
 551
 552         class SimplePP(PostProcessor):
 553             def run(self, info):
 554                 with open(audiofile, 'wt') as f:
 555                     f.write('EXAMPLE')
 556                 return [info['filepath']], info
 557
 558         def run_pp(params, PP):
 559             with open(filename, 'wt') as f:
 560                 f.write('EXAMPLE')
 561             ydl = YoutubeDL(params)
 562             ydl.add_post_processor(PP())
 563             ydl.post_process(filename, {'filepath': filename})
 564
 565         run_pp({'keepvideo': True}, SimplePP)
 566         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 567         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 568         os.unlink(filename)
 569         os.unlink(audiofile)
 570
 571         run_pp({'keepvideo': False}, SimplePP)
 572         self.assertFalse(os.path.exists(filename), '%s exists' % filename)
 573         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 574         os.unlink(audiofile)
 575
 576         class ModifierPP(PostProcessor):
 577             def run(self, info):
 578                 with open(info['filepath'], 'wt') as f:
 579                     f.write('MODIFIED')
 580                 return [], info
 581
 582         run_pp({'keepvideo': False}, ModifierPP)
 583         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 584         os.unlink(filename)
 585
 586     def test_match_filter(self):
 587         class FilterYDL(YDL):
 588             def __init__(self, *args, **kwargs):
 589                 super(FilterYDL, self).__init__(*args, **kwargs)
 590                 self.params['simulate'] = True
 591
 592             def process_info(self, info_dict):
 593                 super(YDL, self).process_info(info_dict)
 594
 595             def _match_entry(self, info_dict, incomplete):
 596                 res = super(FilterYDL, self)._match_entry(info_dict, incomplete)
 597                 if res is None:
 598                     self.downloaded_info_dicts.append(info_dict)
 599                 return res
 600
 601         first = {
 602             'id': '1',
 603             'url': TEST_URL,
 604             'title': 'one',
 605             'extractor': 'TEST',
 606             'duration': 30,
 607             'filesize': 10 * 1024,
 608         }
 609         second = {
 610             'id': '2',
 611             'url': TEST_URL,
 612             'title': 'two',
 613             'extractor': 'TEST',
 614             'duration': 10,
 615             'description': 'foo',
 616             'filesize': 5 * 1024,
 617         }
 618         videos = [first, second]
 619
 620         def get_videos(filter_=None):
 621             ydl = FilterYDL({'match_filter': filter_})
 622             for v in videos:
 623                 ydl.process_ie_result(v, download=True)
 624             return [v['id'] for v in ydl.downloaded_info_dicts]
 625
 626         res = get_videos()
 627         self.assertEqual(res, ['1', '2'])
 628
 629         def f(v):
 630             if v['id'] == '1':
 631                 return None
 632             else:
 633                 return 'Video id is not 1'
 634         res = get_videos(f)
 635         self.assertEqual(res, ['1'])
 636
 637         f = match_filter_func('duration < 30')
 638         res = get_videos(f)
 639         self.assertEqual(res, ['2'])
 640
 641         f = match_filter_func('description = foo')
 642         res = get_videos(f)
 643         self.assertEqual(res, ['2'])
 644
 645         f = match_filter_func('description =? foo')
 646         res = get_videos(f)
 647         self.assertEqual(res, ['1', '2'])
 648
 649         f = match_filter_func('filesize > 5KiB')
 650         res = get_videos(f)
 651         self.assertEqual(res, ['1'])
 652
 653     def test_playlist_items_selection(self):
 654         entries = [{
 655             'id': compat_str(i),
 656             'title': compat_str(i),
 657             'url': TEST_URL,
 658         } for i in range(1, 5)]
 659         playlist = {
 660             '_type': 'playlist',
 661             'id': 'test',
 662             'entries': entries,
 663             'extractor': 'test:playlist',
 664             'extractor_key': 'test:playlist',
 665             'webpage_url': 'http://example.com',
 666         }
 667
 668         def get_ids(params):
 669             ydl = YDL(params)
 670             # make a copy because the dictionary can be modified
 671             ydl.process_ie_result(playlist.copy())
 672             return [int(v['id']) for v in ydl.downloaded_info_dicts]
 673
 674         result = get_ids({})
 675         self.assertEqual(result, [1, 2, 3, 4])
 676
 677         result = get_ids({'playlistend': 10})
 678         self.assertEqual(result, [1, 2, 3, 4])
 679
 680         result = get_ids({'playlistend': 2})
 681         self.assertEqual(result, [1, 2])
 682
 683         result = get_ids({'playliststart': 10})
 684         self.assertEqual(result, [])
 685
 686         result = get_ids({'playliststart': 2})
 687         self.assertEqual(result, [2, 3, 4])
 688
 689         result = get_ids({'playlist_items': '2-4'})
 690         self.assertEqual(result, [2, 3, 4])
 691
 692         result = get_ids({'playlist_items': '2,4'})
 693         self.assertEqual(result, [2, 4])
 694
 695         result = get_ids({'playlist_items': '10'})
 696         self.assertEqual(result, [])
 697
 698     def test_urlopen_no_file_protocol(self):
 699         # see https://github.com/rg3/youtube-dl/issues/8227
 700         ydl = YDL()
 701         self.assertRaises(compat_urllib_error.URLError, ydl.urlopen, 'file:///etc/passwd')
 702
 703     def test_do_not_override_ie_key_in_url_transparent(self):
 704         ydl = YDL()
 705
 706         class Foo1IE(InfoExtractor):
 707             _VALID_URL = r'foo1:'
 708
 709             def _real_extract(self, url):
 710                 return {
 711                     '_type': 'url_transparent',
 712                     'url': 'foo2:',
 713                     'ie_key': 'Foo2',
 714                 }
 715
 716         class Foo2IE(InfoExtractor):
 717             _VALID_URL = r'foo2:'
 718
 719             def _real_extract(self, url):
 720                 return {
 721                     '_type': 'url',
 722                     'url': 'foo3:',
 723                     'ie_key': 'Foo3',
 724                 }
 725
 726         class Foo3IE(InfoExtractor):
 727             _VALID_URL = r'foo3:'
 728
 729             def _real_extract(self, url):
 730                 return _make_result([{'url': TEST_URL}])
 731
 732         ydl.add_info_extractor(Foo1IE(ydl))
 733         ydl.add_info_extractor(Foo2IE(ydl))
 734         ydl.add_info_extractor(Foo3IE(ydl))
 735         ydl.extract_info('foo1:')
 736         downloaded = ydl.downloaded_info_dicts[0]
 737         self.assertEqual(downloaded['url'], TEST_URL)
 738
 739
 740 if __name__ == '__main__':
 741     unittest.main()