git.bitcoin.ninja Git - youtube-dl/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         formats = [
 226             {'format_id': 'vid-vcodec-dot', 'ext': 'mp4', 'preference': 1, 'vcodec': 'avc1.123456', 'acodec': 'none', 'url': TEST_URL},
 227         ]
 228         info_dict = _make_result(formats)
 229
 230         ydl = YDL({'format': 'bestvideo[vcodec=avc1.123456]'})
 231         ydl.process_ie_result(info_dict.copy())
 232         downloaded = ydl.downloaded_info_dicts[0]
 233         self.assertEqual(downloaded['format_id'], 'vid-vcodec-dot')
 234
 235     def test_youtube_format_selection(self):
 236         order = [
 237             '38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '36', '17', '13',
 238             # Apple HTTP Live Streaming
 239             '96', '95', '94', '93', '92', '132', '151',
 240             # 3D
 241             '85', '84', '102', '83', '101', '82', '100',
 242             # Dash video
 243             '137', '248', '136', '247', '135', '246',
 244             '245', '244', '134', '243', '133', '242', '160',
 245             # Dash audio
 246             '141', '172', '140', '171', '139',
 247         ]
 248
 249         def format_info(f_id):
 250             info = YoutubeIE._formats[f_id].copy()
 251
 252             # XXX: In real cases InfoExtractor._parse_mpd_formats() fills up 'acodec'
 253             # and 'vcodec', while in tests such information is incomplete since
 254             # commit a6c2c24479e5f4827ceb06f64d855329c0a6f593
 255             # test_YoutubeDL.test_youtube_format_selection is broken without
 256             # this fix
 257             if 'acodec' in info and 'vcodec' not in info:
 258                 info['vcodec'] = 'none'
 259             elif 'vcodec' in info and 'acodec' not in info:
 260                 info['acodec'] = 'none'
 261
 262             info['format_id'] = f_id
 263             info['url'] = 'url:' + f_id
 264             return info
 265         formats_order = [format_info(f_id) for f_id in order]
 266
 267         info_dict = _make_result(list(formats_order), extractor='youtube')
 268         ydl = YDL({'format': 'bestvideo+bestaudio'})
 269         yie = YoutubeIE(ydl)
 270         yie._sort_formats(info_dict['formats'])
 271         ydl.process_ie_result(info_dict)
 272         downloaded = ydl.downloaded_info_dicts[0]
 273         self.assertEqual(downloaded['format_id'], '137+141')
 274         self.assertEqual(downloaded['ext'], 'mp4')
 275
 276         info_dict = _make_result(list(formats_order), extractor='youtube')
 277         ydl = YDL({'format': 'bestvideo[height>=999999]+bestaudio/best'})
 278         yie = YoutubeIE(ydl)
 279         yie._sort_formats(info_dict['formats'])
 280         ydl.process_ie_result(info_dict)
 281         downloaded = ydl.downloaded_info_dicts[0]
 282         self.assertEqual(downloaded['format_id'], '38')
 283
 284         info_dict = _make_result(list(formats_order), extractor='youtube')
 285         ydl = YDL({'format': 'bestvideo/best,bestaudio'})
 286         yie = YoutubeIE(ydl)
 287         yie._sort_formats(info_dict['formats'])
 288         ydl.process_ie_result(info_dict)
 289         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 290         self.assertEqual(downloaded_ids, ['137', '141'])
 291
 292         info_dict = _make_result(list(formats_order), extractor='youtube')
 293         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
 294         yie = YoutubeIE(ydl)
 295         yie._sort_formats(info_dict['formats'])
 296         ydl.process_ie_result(info_dict)
 297         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 298         self.assertEqual(downloaded_ids, ['137+141', '248+141'])
 299
 300         info_dict = _make_result(list(formats_order), extractor='youtube')
 301         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
 302         yie = YoutubeIE(ydl)
 303         yie._sort_formats(info_dict['formats'])
 304         ydl.process_ie_result(info_dict)
 305         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 306         self.assertEqual(downloaded_ids, ['136+141', '247+141'])
 307
 308         info_dict = _make_result(list(formats_order), extractor='youtube')
 309         ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
 310         yie = YoutubeIE(ydl)
 311         yie._sort_formats(info_dict['formats'])
 312         ydl.process_ie_result(info_dict)
 313         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 314         self.assertEqual(downloaded_ids, ['248+141'])
 315
 316         for f1, f2 in zip(formats_order, formats_order[1:]):
 317             info_dict = _make_result([f1, f2], extractor='youtube')
 318             ydl = YDL({'format': 'best/bestvideo'})
 319             yie = YoutubeIE(ydl)
 320             yie._sort_formats(info_dict['formats'])
 321             ydl.process_ie_result(info_dict)
 322             downloaded = ydl.downloaded_info_dicts[0]
 323             self.assertEqual(downloaded['format_id'], f1['format_id'])
 324
 325             info_dict = _make_result([f2, f1], extractor='youtube')
 326             ydl = YDL({'format': 'best/bestvideo'})
 327             yie = YoutubeIE(ydl)
 328             yie._sort_formats(info_dict['formats'])
 329             ydl.process_ie_result(info_dict)
 330             downloaded = ydl.downloaded_info_dicts[0]
 331             self.assertEqual(downloaded['format_id'], f1['format_id'])
 332
 333     def test_invalid_format_specs(self):
 334         def assert_syntax_error(format_spec):
 335             ydl = YDL({'format': format_spec})
 336             info_dict = _make_result([{'format_id': 'foo', 'url': TEST_URL}])
 337             self.assertRaises(SyntaxError, ydl.process_ie_result, info_dict)
 338
 339         assert_syntax_error('bestvideo,,best')
 340         assert_syntax_error('+bestaudio')
 341         assert_syntax_error('bestvideo+')
 342         assert_syntax_error('/')
 343
 344     def test_format_filtering(self):
 345         formats = [
 346             {'format_id': 'A', 'filesize': 500, 'width': 1000},
 347             {'format_id': 'B', 'filesize': 1000, 'width': 500},
 348             {'format_id': 'C', 'filesize': 1000, 'width': 400},
 349             {'format_id': 'D', 'filesize': 2000, 'width': 600},
 350             {'format_id': 'E', 'filesize': 3000},
 351             {'format_id': 'F'},
 352             {'format_id': 'G', 'filesize': 1000000},
 353         ]
 354         for f in formats:
 355             f['url'] = 'http://_/'
 356             f['ext'] = 'unknown'
 357         info_dict = _make_result(formats)
 358
 359         ydl = YDL({'format': 'best[filesize<3000]'})
 360         ydl.process_ie_result(info_dict)
 361         downloaded = ydl.downloaded_info_dicts[0]
 362         self.assertEqual(downloaded['format_id'], 'D')
 363
 364         ydl = YDL({'format': 'best[filesize<=3000]'})
 365         ydl.process_ie_result(info_dict)
 366         downloaded = ydl.downloaded_info_dicts[0]
 367         self.assertEqual(downloaded['format_id'], 'E')
 368
 369         ydl = YDL({'format': 'best[filesize <= ? 3000]'})
 370         ydl.process_ie_result(info_dict)
 371         downloaded = ydl.downloaded_info_dicts[0]
 372         self.assertEqual(downloaded['format_id'], 'F')
 373
 374         ydl = YDL({'format': 'best [filesize = 1000] [width>450]'})
 375         ydl.process_ie_result(info_dict)
 376         downloaded = ydl.downloaded_info_dicts[0]
 377         self.assertEqual(downloaded['format_id'], 'B')
 378
 379         ydl = YDL({'format': 'best [filesize = 1000] [width!=450]'})
 380         ydl.process_ie_result(info_dict)
 381         downloaded = ydl.downloaded_info_dicts[0]
 382         self.assertEqual(downloaded['format_id'], 'C')
 383
 384         ydl = YDL({'format': '[filesize>?1]'})
 385         ydl.process_ie_result(info_dict)
 386         downloaded = ydl.downloaded_info_dicts[0]
 387         self.assertEqual(downloaded['format_id'], 'G')
 388
 389         ydl = YDL({'format': '[filesize<1M]'})
 390         ydl.process_ie_result(info_dict)
 391         downloaded = ydl.downloaded_info_dicts[0]
 392         self.assertEqual(downloaded['format_id'], 'E')
 393
 394         ydl = YDL({'format': '[filesize<1MiB]'})
 395         ydl.process_ie_result(info_dict)
 396         downloaded = ydl.downloaded_info_dicts[0]
 397         self.assertEqual(downloaded['format_id'], 'G')
 398
 399         ydl = YDL({'format': 'all[width>=400][width<=600]'})
 400         ydl.process_ie_result(info_dict)
 401         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 402         self.assertEqual(downloaded_ids, ['B', 'C', 'D'])
 403
 404         ydl = YDL({'format': 'best[height<40]'})
 405         try:
 406             ydl.process_ie_result(info_dict)
 407         except ExtractorError:
 408             pass
 409         self.assertEqual(ydl.downloaded_info_dicts, [])
 410
 411
 412 class TestYoutubeDL(unittest.TestCase):
 413     def test_subtitles(self):
 414         def s_formats(lang, autocaption=False):
 415             return [{
 416                 'ext': ext,
 417                 'url': 'http://localhost/video.%s.%s' % (lang, ext),
 418                 '_auto': autocaption,
 419             } for ext in ['vtt', 'srt', 'ass']]
 420         subtitles = dict((l, s_formats(l)) for l in ['en', 'fr', 'es'])
 421         auto_captions = dict((l, s_formats(l, True)) for l in ['it', 'pt', 'es'])
 422         info_dict = {
 423             'id': 'test',
 424             'title': 'Test',
 425             'url': 'http://localhost/video.mp4',
 426             'subtitles': subtitles,
 427             'automatic_captions': auto_captions,
 428             'extractor': 'TEST',
 429         }
 430
 431         def get_info(params={}):
 432             params.setdefault('simulate', True)
 433             ydl = YDL(params)
 434             ydl.report_warning = lambda *args, **kargs: None
 435             return ydl.process_video_result(info_dict, download=False)
 436
 437         result = get_info()
 438         self.assertFalse(result.get('requested_subtitles'))
 439         self.assertEqual(result['subtitles'], subtitles)
 440         self.assertEqual(result['automatic_captions'], auto_captions)
 441
 442         result = get_info({'writesubtitles': True})
 443         subs = result['requested_subtitles']
 444         self.assertTrue(subs)
 445         self.assertEqual(set(subs.keys()), set(['en']))
 446         self.assertTrue(subs['en'].get('data') is None)
 447         self.assertEqual(subs['en']['ext'], 'ass')
 448
 449         result = get_info({'writesubtitles': True, 'subtitlesformat': 'foo/srt'})
 450         subs = result['requested_subtitles']
 451         self.assertEqual(subs['en']['ext'], 'srt')
 452
 453         result = get_info({'writesubtitles': True, 'subtitleslangs': ['es', 'fr', 'it']})
 454         subs = result['requested_subtitles']
 455         self.assertTrue(subs)
 456         self.assertEqual(set(subs.keys()), set(['es', 'fr']))
 457
 458         result = get_info({'writesubtitles': True, 'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 459         subs = result['requested_subtitles']
 460         self.assertTrue(subs)
 461         self.assertEqual(set(subs.keys()), set(['es', 'pt']))
 462         self.assertFalse(subs['es']['_auto'])
 463         self.assertTrue(subs['pt']['_auto'])
 464
 465         result = get_info({'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 466         subs = result['requested_subtitles']
 467         self.assertTrue(subs)
 468         self.assertEqual(set(subs.keys()), set(['es', 'pt']))
 469         self.assertTrue(subs['es']['_auto'])
 470         self.assertTrue(subs['pt']['_auto'])
 471
 472     def test_add_extra_info(self):
 473         test_dict = {
 474             'extractor': 'Foo',
 475         }
 476         extra_info = {
 477             'extractor': 'Bar',
 478             'playlist': 'funny videos',
 479         }
 480         YDL.add_extra_info(test_dict, extra_info)
 481         self.assertEqual(test_dict['extractor'], 'Foo')
 482         self.assertEqual(test_dict['playlist'], 'funny videos')
 483
 484     def test_prepare_filename(self):
 485         info = {
 486             'id': '1234',
 487             'ext': 'mp4',
 488             'width': None,
 489         }
 490
 491         def fname(templ):
 492             ydl = YoutubeDL({'outtmpl': templ})
 493             return ydl.prepare_filename(info)
 494         self.assertEqual(fname('%(id)s.%(ext)s'), '1234.mp4')
 495         self.assertEqual(fname('%(id)s-%(width)s.%(ext)s'), '1234-NA.mp4')
 496         # Replace missing fields with 'NA'
 497         self.assertEqual(fname('%(uploader_date)s-%(id)s.%(ext)s'), 'NA-1234.mp4')
 498
 499     def test_format_note(self):
 500         ydl = YoutubeDL()
 501         self.assertEqual(ydl._format_note({}), '')
 502         assertRegexpMatches(self, ydl._format_note({
 503             'vbr': 10,
 504         }), '^\s*10k$')
 505
 506     def test_postprocessors(self):
 507         filename = 'post-processor-testfile.mp4'
 508         audiofile = filename + '.mp3'
 509
 510         class SimplePP(PostProcessor):
 511             def run(self, info):
 512                 with open(audiofile, 'wt') as f:
 513                     f.write('EXAMPLE')
 514                 return [info['filepath']], info
 515
 516         def run_pp(params, PP):
 517             with open(filename, 'wt') as f:
 518                 f.write('EXAMPLE')
 519             ydl = YoutubeDL(params)
 520             ydl.add_post_processor(PP())
 521             ydl.post_process(filename, {'filepath': filename})
 522
 523         run_pp({'keepvideo': True}, SimplePP)
 524         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 525         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 526         os.unlink(filename)
 527         os.unlink(audiofile)
 528
 529         run_pp({'keepvideo': False}, SimplePP)
 530         self.assertFalse(os.path.exists(filename), '%s exists' % filename)
 531         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 532         os.unlink(audiofile)
 533
 534         class ModifierPP(PostProcessor):
 535             def run(self, info):
 536                 with open(info['filepath'], 'wt') as f:
 537                     f.write('MODIFIED')
 538                 return [], info
 539
 540         run_pp({'keepvideo': False}, ModifierPP)
 541         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 542         os.unlink(filename)
 543
 544     def test_match_filter(self):
 545         class FilterYDL(YDL):
 546             def __init__(self, *args, **kwargs):
 547                 super(FilterYDL, self).__init__(*args, **kwargs)
 548                 self.params['simulate'] = True
 549
 550             def process_info(self, info_dict):
 551                 super(YDL, self).process_info(info_dict)
 552
 553             def _match_entry(self, info_dict, incomplete):
 554                 res = super(FilterYDL, self)._match_entry(info_dict, incomplete)
 555                 if res is None:
 556                     self.downloaded_info_dicts.append(info_dict)
 557                 return res
 558
 559         first = {
 560             'id': '1',
 561             'url': TEST_URL,
 562             'title': 'one',
 563             'extractor': 'TEST',
 564             'duration': 30,
 565             'filesize': 10 * 1024,
 566         }
 567         second = {
 568             'id': '2',
 569             'url': TEST_URL,
 570             'title': 'two',
 571             'extractor': 'TEST',
 572             'duration': 10,
 573             'description': 'foo',
 574             'filesize': 5 * 1024,
 575         }
 576         videos = [first, second]
 577
 578         def get_videos(filter_=None):
 579             ydl = FilterYDL({'match_filter': filter_})
 580             for v in videos:
 581                 ydl.process_ie_result(v, download=True)
 582             return [v['id'] for v in ydl.downloaded_info_dicts]
 583
 584         res = get_videos()
 585         self.assertEqual(res, ['1', '2'])
 586
 587         def f(v):
 588             if v['id'] == '1':
 589                 return None
 590             else:
 591                 return 'Video id is not 1'
 592         res = get_videos(f)
 593         self.assertEqual(res, ['1'])
 594
 595         f = match_filter_func('duration < 30')
 596         res = get_videos(f)
 597         self.assertEqual(res, ['2'])
 598
 599         f = match_filter_func('description = foo')
 600         res = get_videos(f)
 601         self.assertEqual(res, ['2'])
 602
 603         f = match_filter_func('description =? foo')
 604         res = get_videos(f)
 605         self.assertEqual(res, ['1', '2'])
 606
 607         f = match_filter_func('filesize > 5KiB')
 608         res = get_videos(f)
 609         self.assertEqual(res, ['1'])
 610
 611     def test_playlist_items_selection(self):
 612         entries = [{
 613             'id': compat_str(i),
 614             'title': compat_str(i),
 615             'url': TEST_URL,
 616         } for i in range(1, 5)]
 617         playlist = {
 618             '_type': 'playlist',
 619             'id': 'test',
 620             'entries': entries,
 621             'extractor': 'test:playlist',
 622             'extractor_key': 'test:playlist',
 623             'webpage_url': 'http://example.com',
 624         }
 625
 626         def get_ids(params):
 627             ydl = YDL(params)
 628             # make a copy because the dictionary can be modified
 629             ydl.process_ie_result(playlist.copy())
 630             return [int(v['id']) for v in ydl.downloaded_info_dicts]
 631
 632         result = get_ids({})
 633         self.assertEqual(result, [1, 2, 3, 4])
 634
 635         result = get_ids({'playlistend': 10})
 636         self.assertEqual(result, [1, 2, 3, 4])
 637
 638         result = get_ids({'playlistend': 2})
 639         self.assertEqual(result, [1, 2])
 640
 641         result = get_ids({'playliststart': 10})
 642         self.assertEqual(result, [])
 643
 644         result = get_ids({'playliststart': 2})
 645         self.assertEqual(result, [2, 3, 4])
 646
 647         result = get_ids({'playlist_items': '2-4'})
 648         self.assertEqual(result, [2, 3, 4])
 649
 650         result = get_ids({'playlist_items': '2,4'})
 651         self.assertEqual(result, [2, 4])
 652
 653         result = get_ids({'playlist_items': '10'})
 654         self.assertEqual(result, [])
 655
 656     def test_urlopen_no_file_protocol(self):
 657         # see https://github.com/rg3/youtube-dl/issues/8227
 658         ydl = YDL()
 659         self.assertRaises(compat_urllib_error.URLError, ydl.urlopen, 'file:///etc/passwd')
 660
 661     def test_do_not_override_ie_key_in_url_transparent(self):
 662         ydl = YDL()
 663
 664         class Foo1IE(InfoExtractor):
 665             _VALID_URL = r'foo1:'
 666
 667             def _real_extract(self, url):
 668                 return {
 669                     '_type': 'url_transparent',
 670                     'url': 'foo2:',
 671                     'ie_key': 'Foo2',
 672                 }
 673
 674         class Foo2IE(InfoExtractor):
 675             _VALID_URL = r'foo2:'
 676
 677             def _real_extract(self, url):
 678                 return {
 679                     '_type': 'url',
 680                     'url': 'foo3:',
 681                     'ie_key': 'Foo3',
 682                 }
 683
 684         class Foo3IE(InfoExtractor):
 685             _VALID_URL = r'foo3:'
 686
 687             def _real_extract(self, url):
 688                 return _make_result([{'url': TEST_URL}])
 689
 690         ydl.add_info_extractor(Foo1IE(ydl))
 691         ydl.add_info_extractor(Foo2IE(ydl))
 692         ydl.add_info_extractor(Foo3IE(ydl))
 693         ydl.extract_info('foo1:')
 694         downloaded = ydl.downloaded_info_dicts[0]
 695         self.assertEqual(downloaded['url'], TEST_URL)
 696
 697
 698 if __name__ == '__main__':
 699     unittest.main()