test/test_YoutubeDL.py

   1 #!/usr/bin/env python3
   2 # Allow direct execution
   3 import os
   4 import sys
   5 import unittest
   6
   7 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   8
   9 import copy
  10 import json
  11 from test.helper import FakeYDL, assertRegexpMatches
  12
  13 from yt_dlp import YoutubeDL
  14 from yt_dlp.compat import (
  15     compat_os_name,
  16     compat_setenv,
  17     compat_str,
  18     compat_urllib_error,
  19 )
  20 from yt_dlp.extractor import YoutubeIE
  21 from yt_dlp.extractor.common import InfoExtractor
  22 from yt_dlp.postprocessor.common import PostProcessor
  23 from yt_dlp.utils import (
  24     ExtractorError,
  25     LazyList,
  26     OnDemandPagedList,
  27     int_or_none,
  28     match_filter_func,
  29 )
  30
  31 TEST_URL = 'http://localhost/sample.mp4'
  32
  33
  34 class YDL(FakeYDL):
  35     def __init__(self, *args, **kwargs):
  36         super().__init__(*args, **kwargs)
  37         self.downloaded_info_dicts = []
  38         self.msgs = []
  39
  40     def process_info(self, info_dict):
  41         self.downloaded_info_dicts.append(info_dict.copy())
  42
  43     def to_screen(self, msg, *args, **kwargs):
  44         self.msgs.append(msg)
  45
  46     def dl(self, *args, **kwargs):
  47         assert False, 'Downloader must not be invoked for test_YoutubeDL'
  48
  49
  50 def _make_result(formats, **kwargs):
  51     res = {
  52         'formats': formats,
  53         'id': 'testid',
  54         'title': 'testttitle',
  55         'extractor': 'testex',
  56         'extractor_key': 'TestEx',
  57         'webpage_url': 'http://example.com/watch?v=shenanigans',
  58     }
  59     res.update(**kwargs)
  60     return res
  61
  62
  63 class TestFormatSelection(unittest.TestCase):
  64     def test_prefer_free_formats(self):
  65         # Same resolution => download webm
  66         ydl = YDL()
  67         ydl.params['prefer_free_formats'] = True
  68         formats = [
  69             {'ext': 'webm', 'height': 460, 'url': TEST_URL},
  70             {'ext': 'mp4', 'height': 460, 'url': TEST_URL},
  71         ]
  72         info_dict = _make_result(formats)
  73         yie = YoutubeIE(ydl)
  74         yie._sort_formats(info_dict['formats'])
  75         ydl.process_ie_result(info_dict)
  76         downloaded = ydl.downloaded_info_dicts[0]
  77         self.assertEqual(downloaded['ext'], 'webm')
  78
  79         # Different resolution => download best quality (mp4)
  80         ydl = YDL()
  81         ydl.params['prefer_free_formats'] = True
  82         formats = [
  83             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  84             {'ext': 'mp4', 'height': 1080, '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         # No prefer_free_formats => prefer mp4 and webm
  94         ydl = YDL()
  95         ydl.params['prefer_free_formats'] = False
  96         formats = [
  97             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  98             {'ext': 'mp4', 'height': 720, 'url': TEST_URL},
  99             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
 100         ]
 101         info_dict['formats'] = formats
 102         yie = YoutubeIE(ydl)
 103         yie._sort_formats(info_dict['formats'])
 104         ydl.process_ie_result(info_dict)
 105         downloaded = ydl.downloaded_info_dicts[0]
 106         self.assertEqual(downloaded['ext'], 'mp4')
 107
 108         ydl = YDL()
 109         ydl.params['prefer_free_formats'] = False
 110         formats = [
 111             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
 112             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
 113         ]
 114         info_dict['formats'] = formats
 115         yie = YoutubeIE(ydl)
 116         yie._sort_formats(info_dict['formats'])
 117         ydl.process_ie_result(info_dict)
 118         downloaded = ydl.downloaded_info_dicts[0]
 119         self.assertEqual(downloaded['ext'], 'webm')
 120
 121     def test_format_selection(self):
 122         formats = [
 123             {'format_id': '35', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
 124             {'format_id': 'example-with-dashes', 'ext': 'webm', 'preference': 1, 'url': TEST_URL},
 125             {'format_id': '45', 'ext': 'webm', 'preference': 2, 'url': TEST_URL},
 126             {'format_id': '47', 'ext': 'webm', 'preference': 3, 'url': TEST_URL},
 127             {'format_id': '2', 'ext': 'flv', 'preference': 4, 'url': TEST_URL},
 128         ]
 129         info_dict = _make_result(formats)
 130
 131         def test(inp, *expected, multi=False):
 132             ydl = YDL({
 133                 'format': inp,
 134                 'allow_multiple_video_streams': multi,
 135                 'allow_multiple_audio_streams': multi,
 136             })
 137             ydl.process_ie_result(info_dict.copy())
 138             downloaded = map(lambda x: x['format_id'], ydl.downloaded_info_dicts)
 139             self.assertEqual(list(downloaded), list(expected))
 140
 141         test('20/47', '47')
 142         test('20/71/worst', '35')
 143         test(None, '2')
 144         test('webm/mp4', '47')
 145         test('3gp/40/mp4', '35')
 146         test('example-with-dashes', 'example-with-dashes')
 147         test('all', '2', '47', '45', 'example-with-dashes', '35')
 148         test('mergeall', '2+47+45+example-with-dashes+35', multi=True)
 149
 150     def test_format_selection_audio(self):
 151         formats = [
 152             {'format_id': 'audio-low', 'ext': 'webm', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 153             {'format_id': 'audio-mid', 'ext': 'webm', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 154             {'format_id': 'audio-high', 'ext': 'flv', 'preference': 3, 'vcodec': 'none', 'url': TEST_URL},
 155             {'format_id': 'vid', 'ext': 'mp4', 'preference': 4, 'url': TEST_URL},
 156         ]
 157         info_dict = _make_result(formats)
 158
 159         ydl = YDL({'format': 'bestaudio'})
 160         ydl.process_ie_result(info_dict.copy())
 161         downloaded = ydl.downloaded_info_dicts[0]
 162         self.assertEqual(downloaded['format_id'], 'audio-high')
 163
 164         ydl = YDL({'format': 'worstaudio'})
 165         ydl.process_ie_result(info_dict.copy())
 166         downloaded = ydl.downloaded_info_dicts[0]
 167         self.assertEqual(downloaded['format_id'], 'audio-low')
 168
 169         formats = [
 170             {'format_id': 'vid-low', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
 171             {'format_id': 'vid-high', 'ext': 'mp4', 'preference': 2, 'url': TEST_URL},
 172         ]
 173         info_dict = _make_result(formats)
 174
 175         ydl = YDL({'format': 'bestaudio/worstaudio/best'})
 176         ydl.process_ie_result(info_dict.copy())
 177         downloaded = ydl.downloaded_info_dicts[0]
 178         self.assertEqual(downloaded['format_id'], 'vid-high')
 179
 180     def test_format_selection_audio_exts(self):
 181         formats = [
 182             {'format_id': 'mp3-64', 'ext': 'mp3', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 183             {'format_id': 'ogg-64', 'ext': 'ogg', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 184             {'format_id': 'aac-64', 'ext': 'aac', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 185             {'format_id': 'mp3-32', 'ext': 'mp3', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 186             {'format_id': 'aac-32', 'ext': 'aac', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 187         ]
 188
 189         info_dict = _make_result(formats)
 190         ydl = YDL({'format': 'best'})
 191         ie = YoutubeIE(ydl)
 192         ie._sort_formats(info_dict['formats'])
 193         ydl.process_ie_result(copy.deepcopy(info_dict))
 194         downloaded = ydl.downloaded_info_dicts[0]
 195         self.assertEqual(downloaded['format_id'], 'aac-64')
 196
 197         ydl = YDL({'format': 'mp3'})
 198         ie = YoutubeIE(ydl)
 199         ie._sort_formats(info_dict['formats'])
 200         ydl.process_ie_result(copy.deepcopy(info_dict))
 201         downloaded = ydl.downloaded_info_dicts[0]
 202         self.assertEqual(downloaded['format_id'], 'mp3-64')
 203
 204         ydl = YDL({'prefer_free_formats': True})
 205         ie = YoutubeIE(ydl)
 206         ie._sort_formats(info_dict['formats'])
 207         ydl.process_ie_result(copy.deepcopy(info_dict))
 208         downloaded = ydl.downloaded_info_dicts[0]
 209         self.assertEqual(downloaded['format_id'], 'ogg-64')
 210
 211     def test_format_selection_video(self):
 212         formats = [
 213             {'format_id': 'dash-video-low', 'ext': 'mp4', 'preference': 1, 'acodec': 'none', 'url': TEST_URL},
 214             {'format_id': 'dash-video-high', 'ext': 'mp4', 'preference': 2, 'acodec': 'none', 'url': TEST_URL},
 215             {'format_id': 'vid', 'ext': 'mp4', 'preference': 3, 'url': TEST_URL},
 216         ]
 217         info_dict = _make_result(formats)
 218
 219         ydl = YDL({'format': 'bestvideo'})
 220         ydl.process_ie_result(info_dict.copy())
 221         downloaded = ydl.downloaded_info_dicts[0]
 222         self.assertEqual(downloaded['format_id'], 'dash-video-high')
 223
 224         ydl = YDL({'format': 'worstvideo'})
 225         ydl.process_ie_result(info_dict.copy())
 226         downloaded = ydl.downloaded_info_dicts[0]
 227         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 228
 229         ydl = YDL({'format': 'bestvideo[format_id^=dash][format_id$=low]'})
 230         ydl.process_ie_result(info_dict.copy())
 231         downloaded = ydl.downloaded_info_dicts[0]
 232         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 233
 234         formats = [
 235             {'format_id': 'vid-vcodec-dot', 'ext': 'mp4', 'preference': 1, 'vcodec': 'avc1.123456', 'acodec': 'none', 'url': TEST_URL},
 236         ]
 237         info_dict = _make_result(formats)
 238
 239         ydl = YDL({'format': 'bestvideo[vcodec=avc1.123456]'})
 240         ydl.process_ie_result(info_dict.copy())
 241         downloaded = ydl.downloaded_info_dicts[0]
 242         self.assertEqual(downloaded['format_id'], 'vid-vcodec-dot')
 243
 244     def test_format_selection_string_ops(self):
 245         formats = [
 246             {'format_id': 'abc-cba', 'ext': 'mp4', 'url': TEST_URL},
 247             {'format_id': 'zxc-cxz', 'ext': 'webm', 'url': TEST_URL},
 248         ]
 249         info_dict = _make_result(formats)
 250
 251         # equals (=)
 252         ydl = YDL({'format': '[format_id=abc-cba]'})
 253         ydl.process_ie_result(info_dict.copy())
 254         downloaded = ydl.downloaded_info_dicts[0]
 255         self.assertEqual(downloaded['format_id'], 'abc-cba')
 256
 257         # does not equal (!=)
 258         ydl = YDL({'format': '[format_id!=abc-cba]'})
 259         ydl.process_ie_result(info_dict.copy())
 260         downloaded = ydl.downloaded_info_dicts[0]
 261         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 262
 263         ydl = YDL({'format': '[format_id!=abc-cba][format_id!=zxc-cxz]'})
 264         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 265
 266         # starts with (^=)
 267         ydl = YDL({'format': '[format_id^=abc]'})
 268         ydl.process_ie_result(info_dict.copy())
 269         downloaded = ydl.downloaded_info_dicts[0]
 270         self.assertEqual(downloaded['format_id'], 'abc-cba')
 271
 272         # does not start with (!^=)
 273         ydl = YDL({'format': '[format_id!^=abc]'})
 274         ydl.process_ie_result(info_dict.copy())
 275         downloaded = ydl.downloaded_info_dicts[0]
 276         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 277
 278         ydl = YDL({'format': '[format_id!^=abc][format_id!^=zxc]'})
 279         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 280
 281         # ends with ($=)
 282         ydl = YDL({'format': '[format_id$=cba]'})
 283         ydl.process_ie_result(info_dict.copy())
 284         downloaded = ydl.downloaded_info_dicts[0]
 285         self.assertEqual(downloaded['format_id'], 'abc-cba')
 286
 287         # does not end with (!$=)
 288         ydl = YDL({'format': '[format_id!$=cba]'})
 289         ydl.process_ie_result(info_dict.copy())
 290         downloaded = ydl.downloaded_info_dicts[0]
 291         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 292
 293         ydl = YDL({'format': '[format_id!$=cba][format_id!$=cxz]'})
 294         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 295
 296         # contains (*=)
 297         ydl = YDL({'format': '[format_id*=bc-cb]'})
 298         ydl.process_ie_result(info_dict.copy())
 299         downloaded = ydl.downloaded_info_dicts[0]
 300         self.assertEqual(downloaded['format_id'], 'abc-cba')
 301
 302         # does not contain (!*=)
 303         ydl = YDL({'format': '[format_id!*=bc-cb]'})
 304         ydl.process_ie_result(info_dict.copy())
 305         downloaded = ydl.downloaded_info_dicts[0]
 306         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 307
 308         ydl = YDL({'format': '[format_id!*=abc][format_id!*=zxc]'})
 309         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 310
 311         ydl = YDL({'format': '[format_id!*=-]'})
 312         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 313
 314     def test_youtube_format_selection(self):
 315         # FIXME: Rewrite in accordance with the new format sorting options
 316         return
 317
 318         order = [
 319             '38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '17', '36', '13',
 320             # Apple HTTP Live Streaming
 321             '96', '95', '94', '93', '92', '132', '151',
 322             # 3D
 323             '85', '84', '102', '83', '101', '82', '100',
 324             # Dash video
 325             '137', '248', '136', '247', '135', '246',
 326             '245', '244', '134', '243', '133', '242', '160',
 327             # Dash audio
 328             '141', '172', '140', '171', '139',
 329         ]
 330
 331         def format_info(f_id):
 332             info = YoutubeIE._formats[f_id].copy()
 333
 334             # XXX: In real cases InfoExtractor._parse_mpd_formats() fills up 'acodec'
 335             # and 'vcodec', while in tests such information is incomplete since
 336             # commit a6c2c24479e5f4827ceb06f64d855329c0a6f593
 337             # test_YoutubeDL.test_youtube_format_selection is broken without
 338             # this fix
 339             if 'acodec' in info and 'vcodec' not in info:
 340                 info['vcodec'] = 'none'
 341             elif 'vcodec' in info and 'acodec' not in info:
 342                 info['acodec'] = 'none'
 343
 344             info['format_id'] = f_id
 345             info['url'] = 'url:' + f_id
 346             return info
 347         formats_order = [format_info(f_id) for f_id in order]
 348
 349         info_dict = _make_result(list(formats_order), extractor='youtube')
 350         ydl = YDL({'format': 'bestvideo+bestaudio'})
 351         yie = YoutubeIE(ydl)
 352         yie._sort_formats(info_dict['formats'])
 353         ydl.process_ie_result(info_dict)
 354         downloaded = ydl.downloaded_info_dicts[0]
 355         self.assertEqual(downloaded['format_id'], '248+172')
 356         self.assertEqual(downloaded['ext'], 'mp4')
 357
 358         info_dict = _make_result(list(formats_order), extractor='youtube')
 359         ydl = YDL({'format': 'bestvideo[height>=999999]+bestaudio/best'})
 360         yie = YoutubeIE(ydl)
 361         yie._sort_formats(info_dict['formats'])
 362         ydl.process_ie_result(info_dict)
 363         downloaded = ydl.downloaded_info_dicts[0]
 364         self.assertEqual(downloaded['format_id'], '38')
 365
 366         info_dict = _make_result(list(formats_order), extractor='youtube')
 367         ydl = YDL({'format': 'bestvideo/best,bestaudio'})
 368         yie = YoutubeIE(ydl)
 369         yie._sort_formats(info_dict['formats'])
 370         ydl.process_ie_result(info_dict)
 371         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 372         self.assertEqual(downloaded_ids, ['137', '141'])
 373
 374         info_dict = _make_result(list(formats_order), extractor='youtube')
 375         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
 376         yie = YoutubeIE(ydl)
 377         yie._sort_formats(info_dict['formats'])
 378         ydl.process_ie_result(info_dict)
 379         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 380         self.assertEqual(downloaded_ids, ['137+141', '248+141'])
 381
 382         info_dict = _make_result(list(formats_order), extractor='youtube')
 383         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
 384         yie = YoutubeIE(ydl)
 385         yie._sort_formats(info_dict['formats'])
 386         ydl.process_ie_result(info_dict)
 387         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 388         self.assertEqual(downloaded_ids, ['136+141', '247+141'])
 389
 390         info_dict = _make_result(list(formats_order), extractor='youtube')
 391         ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
 392         yie = YoutubeIE(ydl)
 393         yie._sort_formats(info_dict['formats'])
 394         ydl.process_ie_result(info_dict)
 395         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 396         self.assertEqual(downloaded_ids, ['248+141'])
 397
 398         for f1, f2 in zip(formats_order, formats_order[1:]):
 399             info_dict = _make_result([f1, f2], extractor='youtube')
 400             ydl = YDL({'format': 'best/bestvideo'})
 401             yie = YoutubeIE(ydl)
 402             yie._sort_formats(info_dict['formats'])
 403             ydl.process_ie_result(info_dict)
 404             downloaded = ydl.downloaded_info_dicts[0]
 405             self.assertEqual(downloaded['format_id'], f1['format_id'])
 406
 407             info_dict = _make_result([f2, f1], extractor='youtube')
 408             ydl = YDL({'format': 'best/bestvideo'})
 409             yie = YoutubeIE(ydl)
 410             yie._sort_formats(info_dict['formats'])
 411             ydl.process_ie_result(info_dict)
 412             downloaded = ydl.downloaded_info_dicts[0]
 413             self.assertEqual(downloaded['format_id'], f1['format_id'])
 414
 415     def test_audio_only_extractor_format_selection(self):
 416         # For extractors with incomplete formats (all formats are audio-only or
 417         # video-only) best and worst should fallback to corresponding best/worst
 418         # video-only or audio-only formats (as per
 419         # https://github.com/ytdl-org/youtube-dl/pull/5556)
 420         formats = [
 421             {'format_id': 'low', 'ext': 'mp3', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 422             {'format_id': 'high', 'ext': 'mp3', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 423         ]
 424         info_dict = _make_result(formats)
 425
 426         ydl = YDL({'format': 'best'})
 427         ydl.process_ie_result(info_dict.copy())
 428         downloaded = ydl.downloaded_info_dicts[0]
 429         self.assertEqual(downloaded['format_id'], 'high')
 430
 431         ydl = YDL({'format': 'worst'})
 432         ydl.process_ie_result(info_dict.copy())
 433         downloaded = ydl.downloaded_info_dicts[0]
 434         self.assertEqual(downloaded['format_id'], 'low')
 435
 436     def test_format_not_available(self):
 437         formats = [
 438             {'format_id': 'regular', 'ext': 'mp4', 'height': 360, 'url': TEST_URL},
 439             {'format_id': 'video', 'ext': 'mp4', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
 440         ]
 441         info_dict = _make_result(formats)
 442
 443         # This must fail since complete video-audio format does not match filter
 444         # and extractor does not provide incomplete only formats (i.e. only
 445         # video-only or audio-only).
 446         ydl = YDL({'format': 'best[height>360]'})
 447         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 448
 449     def test_format_selection_issue_10083(self):
 450         # See https://github.com/ytdl-org/youtube-dl/issues/10083
 451         formats = [
 452             {'format_id': 'regular', 'height': 360, 'url': TEST_URL},
 453             {'format_id': 'video', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
 454             {'format_id': 'audio', 'vcodec': 'none', 'url': TEST_URL},
 455         ]
 456         info_dict = _make_result(formats)
 457
 458         ydl = YDL({'format': 'best[height>360]/bestvideo[height>360]+bestaudio'})
 459         ydl.process_ie_result(info_dict.copy())
 460         self.assertEqual(ydl.downloaded_info_dicts[0]['format_id'], 'video+audio')
 461
 462     def test_invalid_format_specs(self):
 463         def assert_syntax_error(format_spec):
 464             self.assertRaises(SyntaxError, YDL, {'format': format_spec})
 465
 466         assert_syntax_error('bestvideo,,best')
 467         assert_syntax_error('+bestaudio')
 468         assert_syntax_error('bestvideo+')
 469         assert_syntax_error('/')
 470         assert_syntax_error('[720<height]')
 471
 472     def test_format_filtering(self):
 473         formats = [
 474             {'format_id': 'A', 'filesize': 500, 'width': 1000},
 475             {'format_id': 'B', 'filesize': 1000, 'width': 500},
 476             {'format_id': 'C', 'filesize': 1000, 'width': 400},
 477             {'format_id': 'D', 'filesize': 2000, 'width': 600},
 478             {'format_id': 'E', 'filesize': 3000},
 479             {'format_id': 'F'},
 480             {'format_id': 'G', 'filesize': 1000000},
 481         ]
 482         for f in formats:
 483             f['url'] = 'http://_/'
 484             f['ext'] = 'unknown'
 485         info_dict = _make_result(formats)
 486
 487         ydl = YDL({'format': 'best[filesize<3000]'})
 488         ydl.process_ie_result(info_dict)
 489         downloaded = ydl.downloaded_info_dicts[0]
 490         self.assertEqual(downloaded['format_id'], 'D')
 491
 492         ydl = YDL({'format': 'best[filesize<=3000]'})
 493         ydl.process_ie_result(info_dict)
 494         downloaded = ydl.downloaded_info_dicts[0]
 495         self.assertEqual(downloaded['format_id'], 'E')
 496
 497         ydl = YDL({'format': 'best[filesize <= ? 3000]'})
 498         ydl.process_ie_result(info_dict)
 499         downloaded = ydl.downloaded_info_dicts[0]
 500         self.assertEqual(downloaded['format_id'], 'F')
 501
 502         ydl = YDL({'format': 'best [filesize = 1000] [width>450]'})
 503         ydl.process_ie_result(info_dict)
 504         downloaded = ydl.downloaded_info_dicts[0]
 505         self.assertEqual(downloaded['format_id'], 'B')
 506
 507         ydl = YDL({'format': 'best [filesize = 1000] [width!=450]'})
 508         ydl.process_ie_result(info_dict)
 509         downloaded = ydl.downloaded_info_dicts[0]
 510         self.assertEqual(downloaded['format_id'], 'C')
 511
 512         ydl = YDL({'format': '[filesize>?1]'})
 513         ydl.process_ie_result(info_dict)
 514         downloaded = ydl.downloaded_info_dicts[0]
 515         self.assertEqual(downloaded['format_id'], 'G')
 516
 517         ydl = YDL({'format': '[filesize<1M]'})
 518         ydl.process_ie_result(info_dict)
 519         downloaded = ydl.downloaded_info_dicts[0]
 520         self.assertEqual(downloaded['format_id'], 'E')
 521
 522         ydl = YDL({'format': '[filesize<1MiB]'})
 523         ydl.process_ie_result(info_dict)
 524         downloaded = ydl.downloaded_info_dicts[0]
 525         self.assertEqual(downloaded['format_id'], 'G')
 526
 527         ydl = YDL({'format': 'all[width>=400][width<=600]'})
 528         ydl.process_ie_result(info_dict)
 529         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 530         self.assertEqual(downloaded_ids, ['D', 'C', 'B'])
 531
 532         ydl = YDL({'format': 'best[height<40]'})
 533         try:
 534             ydl.process_ie_result(info_dict)
 535         except ExtractorError:
 536             pass
 537         self.assertEqual(ydl.downloaded_info_dicts, [])
 538
 539     def test_default_format_spec(self):
 540         ydl = YDL({'simulate': True})
 541         self.assertEqual(ydl._default_format_spec({}), 'bestvideo*+bestaudio/best')
 542
 543         ydl = YDL({})
 544         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
 545
 546         ydl = YDL({'simulate': True})
 547         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'bestvideo*+bestaudio/best')
 548
 549         ydl = YDL({'outtmpl': '-'})
 550         self.assertEqual(ydl._default_format_spec({}), 'best/bestvideo+bestaudio')
 551
 552         ydl = YDL({})
 553         self.assertEqual(ydl._default_format_spec({}, download=False), 'bestvideo*+bestaudio/best')
 554         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
 555
 556
 557 class TestYoutubeDL(unittest.TestCase):
 558     def test_subtitles(self):
 559         def s_formats(lang, autocaption=False):
 560             return [{
 561                 'ext': ext,
 562                 'url': f'http://localhost/video.{lang}.{ext}',
 563                 '_auto': autocaption,
 564             } for ext in ['vtt', 'srt', 'ass']]
 565         subtitles = {l: s_formats(l) for l in ['en', 'fr', 'es']}
 566         auto_captions = {l: s_formats(l, True) for l in ['it', 'pt', 'es']}
 567         info_dict = {
 568             'id': 'test',
 569             'title': 'Test',
 570             'url': 'http://localhost/video.mp4',
 571             'subtitles': subtitles,
 572             'automatic_captions': auto_captions,
 573             'extractor': 'TEST',
 574             'webpage_url': 'http://example.com/watch?v=shenanigans',
 575         }
 576
 577         def get_info(params={}):
 578             params.setdefault('simulate', True)
 579             ydl = YDL(params)
 580             ydl.report_warning = lambda *args, **kargs: None
 581             return ydl.process_video_result(info_dict, download=False)
 582
 583         result = get_info()
 584         self.assertFalse(result.get('requested_subtitles'))
 585         self.assertEqual(result['subtitles'], subtitles)
 586         self.assertEqual(result['automatic_captions'], auto_captions)
 587
 588         result = get_info({'writesubtitles': True})
 589         subs = result['requested_subtitles']
 590         self.assertTrue(subs)
 591         self.assertEqual(set(subs.keys()), {'en'})
 592         self.assertTrue(subs['en'].get('data') is None)
 593         self.assertEqual(subs['en']['ext'], 'ass')
 594
 595         result = get_info({'writesubtitles': True, 'subtitlesformat': 'foo/srt'})
 596         subs = result['requested_subtitles']
 597         self.assertEqual(subs['en']['ext'], 'srt')
 598
 599         result = get_info({'writesubtitles': True, 'subtitleslangs': ['es', 'fr', 'it']})
 600         subs = result['requested_subtitles']
 601         self.assertTrue(subs)
 602         self.assertEqual(set(subs.keys()), {'es', 'fr'})
 603
 604         result = get_info({'writesubtitles': True, 'subtitleslangs': ['all', '-en']})
 605         subs = result['requested_subtitles']
 606         self.assertTrue(subs)
 607         self.assertEqual(set(subs.keys()), {'es', 'fr'})
 608
 609         result = get_info({'writesubtitles': True, 'subtitleslangs': ['en', 'fr', '-en']})
 610         subs = result['requested_subtitles']
 611         self.assertTrue(subs)
 612         self.assertEqual(set(subs.keys()), {'fr'})
 613
 614         result = get_info({'writesubtitles': True, 'subtitleslangs': ['-en', 'en']})
 615         subs = result['requested_subtitles']
 616         self.assertTrue(subs)
 617         self.assertEqual(set(subs.keys()), {'en'})
 618
 619         result = get_info({'writesubtitles': True, 'subtitleslangs': ['e.+']})
 620         subs = result['requested_subtitles']
 621         self.assertTrue(subs)
 622         self.assertEqual(set(subs.keys()), {'es', 'en'})
 623
 624         result = get_info({'writesubtitles': True, 'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 625         subs = result['requested_subtitles']
 626         self.assertTrue(subs)
 627         self.assertEqual(set(subs.keys()), {'es', 'pt'})
 628         self.assertFalse(subs['es']['_auto'])
 629         self.assertTrue(subs['pt']['_auto'])
 630
 631         result = get_info({'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 632         subs = result['requested_subtitles']
 633         self.assertTrue(subs)
 634         self.assertEqual(set(subs.keys()), {'es', 'pt'})
 635         self.assertTrue(subs['es']['_auto'])
 636         self.assertTrue(subs['pt']['_auto'])
 637
 638     def test_add_extra_info(self):
 639         test_dict = {
 640             'extractor': 'Foo',
 641         }
 642         extra_info = {
 643             'extractor': 'Bar',
 644             'playlist': 'funny videos',
 645         }
 646         YDL.add_extra_info(test_dict, extra_info)
 647         self.assertEqual(test_dict['extractor'], 'Foo')
 648         self.assertEqual(test_dict['playlist'], 'funny videos')
 649
 650     outtmpl_info = {
 651         'id': '1234',
 652         'ext': 'mp4',
 653         'width': None,
 654         'height': 1080,
 655         'filesize': 1024,
 656         'title1': '$PATH',
 657         'title2': '%PATH%',
 658         'title3': 'foo/bar\\test',
 659         'title4': 'foo "bar" test',
 660         'title5': 'áéí 𝐀',
 661         'timestamp': 1618488000,
 662         'duration': 100000,
 663         'playlist_index': 1,
 664         'playlist_autonumber': 2,
 665         '__last_playlist_index': 100,
 666         'n_entries': 10,
 667         'formats': [{'id': 'id 1'}, {'id': 'id 2'}, {'id': 'id 3'}]
 668     }
 669
 670     def test_prepare_outtmpl_and_filename(self):
 671         def test(tmpl, expected, *, info=None, **params):
 672             params['outtmpl'] = tmpl
 673             ydl = YoutubeDL(params)
 674             ydl._num_downloads = 1
 675             self.assertEqual(ydl.validate_outtmpl(tmpl), None)
 676
 677             out = ydl.evaluate_outtmpl(tmpl, info or self.outtmpl_info)
 678             fname = ydl.prepare_filename(info or self.outtmpl_info)
 679
 680             if not isinstance(expected, (list, tuple)):
 681                 expected = (expected, expected)
 682             for (name, got), expect in zip((('outtmpl', out), ('filename', fname)), expected):
 683                 if callable(expect):
 684                     self.assertTrue(expect(got), f'Wrong {name} from {tmpl}')
 685                 else:
 686                     self.assertEqual(got, expect, f'Wrong {name} from {tmpl}')
 687
 688         # Side-effects
 689         original_infodict = dict(self.outtmpl_info)
 690         test('foo.bar', 'foo.bar')
 691         original_infodict['epoch'] = self.outtmpl_info.get('epoch')
 692         self.assertTrue(isinstance(original_infodict['epoch'], int))
 693         test('%(epoch)d', int_or_none)
 694         self.assertEqual(original_infodict, self.outtmpl_info)
 695
 696         # Auto-generated fields
 697         test('%(id)s.%(ext)s', '1234.mp4')
 698         test('%(duration_string)s', ('27:46:40', '27-46-40'))
 699         test('%(resolution)s', '1080p')
 700         test('%(playlist_index)s', '001')
 701         test('%(playlist_autonumber)s', '02')
 702         test('%(autonumber)s', '00001')
 703         test('%(autonumber+2)03d', '005', autonumber_start=3)
 704         test('%(autonumber)s', '001', autonumber_size=3)
 705
 706         # Escaping %
 707         test('%', '%')
 708         test('%%', '%')
 709         test('%%%%', '%%')
 710         test('%s', '%s')
 711         test('%%%s', '%%s')
 712         test('%d', '%d')
 713         test('%abc%', '%abc%')
 714         test('%%(width)06d.%(ext)s', '%(width)06d.mp4')
 715         test('%%%(height)s', '%1080')
 716         test('%(width)06d.%(ext)s', 'NA.mp4')
 717         test('%(width)06d.%%(ext)s', 'NA.%(ext)s')
 718         test('%%(width)06d.%(ext)s', '%(width)06d.mp4')
 719
 720         # ID sanitization
 721         test('%(id)s', '_abcd', info={'id': '_abcd'})
 722         test('%(some_id)s', '_abcd', info={'some_id': '_abcd'})
 723         test('%(formats.0.id)s', '_abcd', info={'formats': [{'id': '_abcd'}]})
 724         test('%(id)s', '-abcd', info={'id': '-abcd'})
 725         test('%(id)s', '.abcd', info={'id': '.abcd'})
 726         test('%(id)s', 'ab__cd', info={'id': 'ab__cd'})
 727         test('%(id)s', ('ab:cd', 'ab -cd'), info={'id': 'ab:cd'})
 728         test('%(id.0)s', '-', info={'id': '--'})
 729
 730         # Invalid templates
 731         self.assertTrue(isinstance(YoutubeDL.validate_outtmpl('%(title)'), ValueError))
 732         test('%(invalid@tmpl|def)s', 'none', outtmpl_na_placeholder='none')
 733         test('%(..)s', 'NA')
 734
 735         # Entire info_dict
 736         def expect_same_infodict(out):
 737             got_dict = json.loads(out)
 738             for info_field, expected in self.outtmpl_info.items():
 739                 self.assertEqual(got_dict.get(info_field), expected, info_field)
 740             return True
 741
 742         test('%()j', (expect_same_infodict, str))
 743
 744         # NA placeholder
 745         NA_TEST_OUTTMPL = '%(uploader_date)s-%(width)d-%(x|def)s-%(id)s.%(ext)s'
 746         test(NA_TEST_OUTTMPL, 'NA-NA-def-1234.mp4')
 747         test(NA_TEST_OUTTMPL, 'none-none-def-1234.mp4', outtmpl_na_placeholder='none')
 748         test(NA_TEST_OUTTMPL, '--def-1234.mp4', outtmpl_na_placeholder='')
 749         test('%(non_existent.0)s', 'NA')
 750
 751         # String formatting
 752         FMT_TEST_OUTTMPL = '%%(height)%s.%%(ext)s'
 753         test(FMT_TEST_OUTTMPL % 's', '1080.mp4')
 754         test(FMT_TEST_OUTTMPL % 'd', '1080.mp4')
 755         test(FMT_TEST_OUTTMPL % '6d', '  1080.mp4')
 756         test(FMT_TEST_OUTTMPL % '-6d', '1080  .mp4')
 757         test(FMT_TEST_OUTTMPL % '06d', '001080.mp4')
 758         test(FMT_TEST_OUTTMPL % ' 06d', ' 01080.mp4')
 759         test(FMT_TEST_OUTTMPL % '   06d', ' 01080.mp4')
 760         test(FMT_TEST_OUTTMPL % '0 6d', ' 01080.mp4')
 761         test(FMT_TEST_OUTTMPL % '0   6d', ' 01080.mp4')
 762         test(FMT_TEST_OUTTMPL % '   0   6d', ' 01080.mp4')
 763
 764         # Type casting
 765         test('%(id)d', '1234')
 766         test('%(height)c', '1')
 767         test('%(ext)c', 'm')
 768         test('%(id)d %(id)r', "1234 '1234'")
 769         test('%(id)r %(height)r', "'1234' 1080")
 770         test('%(ext)s-%(ext|def)d', 'mp4-def')
 771         test('%(width|0)04d', '0000')
 772         test('a%(width|)d', 'a', outtmpl_na_placeholder='none')
 773
 774         FORMATS = self.outtmpl_info['formats']
 775         sanitize = lambda x: x.replace(':', ' -').replace('"', "'").replace('\n', ' ')
 776
 777         # Custom type casting
 778         test('%(formats.:.id)l', 'id 1, id 2, id 3')
 779         test('%(formats.:.id)#l', ('id 1\nid 2\nid 3', 'id 1 id 2 id 3'))
 780         test('%(ext)l', 'mp4')
 781         test('%(formats.:.id) 18l', '  id 1, id 2, id 3')
 782         test('%(formats)j', (json.dumps(FORMATS), sanitize(json.dumps(FORMATS))))
 783         test('%(formats)#j', (json.dumps(FORMATS, indent=4), sanitize(json.dumps(FORMATS, indent=4))))
 784         test('%(title5).3B', 'á')
 785         test('%(title5)U', 'áéí 𝐀')
 786         test('%(title5)#U', 'a\u0301e\u0301i\u0301 𝐀')
 787         test('%(title5)+U', 'áéí A')
 788         test('%(title5)+#U', 'a\u0301e\u0301i\u0301 A')
 789         test('%(height)D', '1k')
 790         test('%(filesize)#D', '1Ki')
 791         test('%(height)5.2D', ' 1.08k')
 792         test('%(title4)#S', 'foo_bar_test')
 793         test('%(title4).10S', ('foo \'bar\' ', 'foo \'bar\'' + ('#' if compat_os_name == 'nt' else ' ')))
 794         if compat_os_name == 'nt':
 795             test('%(title4)q', ('"foo \\"bar\\" test"', "'foo _'bar_' test'"))
 796             test('%(formats.:.id)#q', ('"id 1" "id 2" "id 3"', "'id 1' 'id 2' 'id 3'"))
 797             test('%(formats.0.id)#q', ('"id 1"', "'id 1'"))
 798         else:
 799             test('%(title4)q', ('\'foo "bar" test\'', "'foo 'bar' test'"))
 800             test('%(formats.:.id)#q', "'id 1' 'id 2' 'id 3'")
 801             test('%(formats.0.id)#q', "'id 1'")
 802
 803         # Internal formatting
 804         test('%(timestamp-1000>%H-%M-%S)s', '11-43-20')
 805         test('%(title|%)s %(title|%%)s', '% %%')
 806         test('%(id+1-height+3)05d', '00158')
 807         test('%(width+100)05d', 'NA')
 808         test('%(formats.0) 15s', ('% 15s' % FORMATS[0], '% 15s' % sanitize(str(FORMATS[0]))))
 809         test('%(formats.0)r', (repr(FORMATS[0]), sanitize(repr(FORMATS[0]))))
 810         test('%(height.0)03d', '001')
 811         test('%(-height.0)04d', '-001')
 812         test('%(formats.-1.id)s', FORMATS[-1]['id'])
 813         test('%(formats.0.id.-1)d', FORMATS[0]['id'][-1])
 814         test('%(formats.3)s', 'NA')
 815         test('%(formats.:2:-1)r', repr(FORMATS[:2:-1]))
 816         test('%(formats.0.id.-1+id)f', '1235.000000')
 817         test('%(formats.0.id.-1+formats.1.id.-1)d', '3')
 818
 819         # Alternates
 820         test('%(title,id)s', '1234')
 821         test('%(width-100,height+20|def)d', '1100')
 822         test('%(width-100,height+width|def)s', 'def')
 823         test('%(timestamp-x>%H\\,%M\\,%S,timestamp>%H\\,%M\\,%S)s', '12,00,00')
 824
 825         # Replacement
 826         test('%(id&foo)s.bar', 'foo.bar')
 827         test('%(title&foo)s.bar', 'NA.bar')
 828         test('%(title&foo|baz)s.bar', 'baz.bar')
 829         test('%(x,id&foo|baz)s.bar', 'foo.bar')
 830         test('%(x,title&foo|baz)s.bar', 'baz.bar')
 831
 832         # Laziness
 833         def gen():
 834             yield from range(5)
 835             raise self.assertTrue(False, 'LazyList should not be evaluated till here')
 836         test('%(key.4)s', '4', info={'key': LazyList(gen())})
 837
 838         # Empty filename
 839         test('%(foo|)s-%(bar|)s.%(ext)s', '-.mp4')
 840         # test('%(foo|)s.%(ext)s', ('.mp4', '_.mp4'))  # fixme
 841         # test('%(foo|)s', ('', '_'))  # fixme
 842
 843         # Environment variable expansion for prepare_filename
 844         compat_setenv('__yt_dlp_var', 'expanded')
 845         envvar = '%__yt_dlp_var%' if compat_os_name == 'nt' else '$__yt_dlp_var'
 846         test(envvar, (envvar, 'expanded'))
 847         if compat_os_name == 'nt':
 848             test('%s%', ('%s%', '%s%'))
 849             compat_setenv('s', 'expanded')
 850             test('%s%', ('%s%', 'expanded'))  # %s% should be expanded before escaping %s
 851             compat_setenv('(test)s', 'expanded')
 852             test('%(test)s%', ('NA%', 'expanded'))  # Environment should take priority over template
 853
 854         # Path expansion and escaping
 855         test('Hello %(title1)s', 'Hello $PATH')
 856         test('Hello %(title2)s', 'Hello %PATH%')
 857         test('%(title3)s', ('foo/bar\\test', 'foo_bar_test'))
 858         test('folder/%(title3)s', ('folder/foo/bar\\test', 'folder%sfoo_bar_test' % os.path.sep))
 859
 860     def test_format_note(self):
 861         ydl = YoutubeDL()
 862         self.assertEqual(ydl._format_note({}), '')
 863         assertRegexpMatches(self, ydl._format_note({
 864             'vbr': 10,
 865         }), r'^\s*10k$')
 866         assertRegexpMatches(self, ydl._format_note({
 867             'fps': 30,
 868         }), r'^30fps$')
 869
 870     def test_postprocessors(self):
 871         filename = 'post-processor-testfile.mp4'
 872         audiofile = filename + '.mp3'
 873
 874         class SimplePP(PostProcessor):
 875             def run(self, info):
 876                 with open(audiofile, 'wt') as f:
 877                     f.write('EXAMPLE')
 878                 return [info['filepath']], info
 879
 880         def run_pp(params, PP):
 881             with open(filename, 'wt') as f:
 882                 f.write('EXAMPLE')
 883             ydl = YoutubeDL(params)
 884             ydl.add_post_processor(PP())
 885             ydl.post_process(filename, {'filepath': filename})
 886
 887         run_pp({'keepvideo': True}, SimplePP)
 888         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 889         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 890         os.unlink(filename)
 891         os.unlink(audiofile)
 892
 893         run_pp({'keepvideo': False}, SimplePP)
 894         self.assertFalse(os.path.exists(filename), '%s exists' % filename)
 895         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 896         os.unlink(audiofile)
 897
 898         class ModifierPP(PostProcessor):
 899             def run(self, info):
 900                 with open(info['filepath'], 'wt') as f:
 901                     f.write('MODIFIED')
 902                 return [], info
 903
 904         run_pp({'keepvideo': False}, ModifierPP)
 905         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 906         os.unlink(filename)
 907
 908     def test_match_filter(self):
 909         first = {
 910             'id': '1',
 911             'url': TEST_URL,
 912             'title': 'one',
 913             'extractor': 'TEST',
 914             'duration': 30,
 915             'filesize': 10 * 1024,
 916             'playlist_id': '42',
 917             'uploader': "變態妍字幕版 太妍 тест",
 918             'creator': "тест ' 123 ' тест--",
 919             'webpage_url': 'http://example.com/watch?v=shenanigans',
 920         }
 921         second = {
 922             'id': '2',
 923             'url': TEST_URL,
 924             'title': 'two',
 925             'extractor': 'TEST',
 926             'duration': 10,
 927             'description': 'foo',
 928             'filesize': 5 * 1024,
 929             'playlist_id': '43',
 930             'uploader': "тест 123",
 931             'webpage_url': 'http://example.com/watch?v=SHENANIGANS',
 932         }
 933         videos = [first, second]
 934
 935         def get_videos(filter_=None):
 936             ydl = YDL({'match_filter': filter_, 'simulate': True})
 937             for v in videos:
 938                 ydl.process_ie_result(v, download=True)
 939             return [v['id'] for v in ydl.downloaded_info_dicts]
 940
 941         res = get_videos()
 942         self.assertEqual(res, ['1', '2'])
 943
 944         def f(v, incomplete):
 945             if v['id'] == '1':
 946                 return None
 947             else:
 948                 return 'Video id is not 1'
 949         res = get_videos(f)
 950         self.assertEqual(res, ['1'])
 951
 952         f = match_filter_func('duration < 30')
 953         res = get_videos(f)
 954         self.assertEqual(res, ['2'])
 955
 956         f = match_filter_func('description = foo')
 957         res = get_videos(f)
 958         self.assertEqual(res, ['2'])
 959
 960         f = match_filter_func('description =? foo')
 961         res = get_videos(f)
 962         self.assertEqual(res, ['1', '2'])
 963
 964         f = match_filter_func('filesize > 5KiB')
 965         res = get_videos(f)
 966         self.assertEqual(res, ['1'])
 967
 968         f = match_filter_func('playlist_id = 42')
 969         res = get_videos(f)
 970         self.assertEqual(res, ['1'])
 971
 972         f = match_filter_func('uploader = "變態妍字幕版 太妍 тест"')
 973         res = get_videos(f)
 974         self.assertEqual(res, ['1'])
 975
 976         f = match_filter_func('uploader != "變態妍字幕版 太妍 тест"')
 977         res = get_videos(f)
 978         self.assertEqual(res, ['2'])
 979
 980         f = match_filter_func('creator = "тест \' 123 \' тест--"')
 981         res = get_videos(f)
 982         self.assertEqual(res, ['1'])
 983
 984         f = match_filter_func("creator = 'тест \\' 123 \\' тест--'")
 985         res = get_videos(f)
 986         self.assertEqual(res, ['1'])
 987
 988         f = match_filter_func(r"creator = 'тест \' 123 \' тест--' & duration > 30")
 989         res = get_videos(f)
 990         self.assertEqual(res, [])
 991
 992     def test_playlist_items_selection(self):
 993         INDICES, PAGE_SIZE = list(range(1, 11)), 3
 994
 995         def entry(i, evaluated):
 996             evaluated.append(i)
 997             return {
 998                 'id': str(i),
 999                 'title': str(i),
1000                 'url': TEST_URL,
1001             }
1002
1003         def pagedlist_entries(evaluated):
1004             def page_func(n):
1005                 start = PAGE_SIZE * n
1006                 for i in INDICES[start: start + PAGE_SIZE]:
1007                     yield entry(i, evaluated)
1008             return OnDemandPagedList(page_func, PAGE_SIZE)
1009
1010         def page_num(i):
1011             return (i + PAGE_SIZE - 1) // PAGE_SIZE
1012
1013         def generator_entries(evaluated):
1014             for i in INDICES:
1015                 yield entry(i, evaluated)
1016
1017         def list_entries(evaluated):
1018             return list(generator_entries(evaluated))
1019
1020         def lazylist_entries(evaluated):
1021             return LazyList(generator_entries(evaluated))
1022
1023         def get_downloaded_info_dicts(params, entries):
1024             ydl = YDL(params)
1025             ydl.process_ie_result({
1026                 '_type': 'playlist',
1027                 'id': 'test',
1028                 'extractor': 'test:playlist',
1029                 'extractor_key': 'test:playlist',
1030                 'webpage_url': 'http://example.com',
1031                 'entries': entries,
1032             })
1033             return ydl.downloaded_info_dicts
1034
1035         def test_selection(params, expected_ids, evaluate_all=False):
1036             expected_ids = list(expected_ids)
1037             if evaluate_all:
1038                 generator_eval = pagedlist_eval = INDICES
1039             elif not expected_ids:
1040                 generator_eval = pagedlist_eval = []
1041             else:
1042                 generator_eval = INDICES[0: max(expected_ids)]
1043                 pagedlist_eval = INDICES[PAGE_SIZE * page_num(min(expected_ids)) - PAGE_SIZE:
1044                                          PAGE_SIZE * page_num(max(expected_ids))]
1045
1046             for name, func, expected_eval in (
1047                 ('list', list_entries, INDICES),
1048                 ('Generator', generator_entries, generator_eval),
1049                 # ('LazyList', lazylist_entries, generator_eval),  # Generator and LazyList follow the exact same code path
1050                 ('PagedList', pagedlist_entries, pagedlist_eval),
1051             ):
1052                 evaluated = []
1053                 entries = func(evaluated)
1054                 results = [(v['playlist_autonumber'] - 1, (int(v['id']), v['playlist_index']))
1055                            for v in get_downloaded_info_dicts(params, entries)]
1056                 self.assertEqual(results, list(enumerate(zip(expected_ids, expected_ids))), f'Entries of {name} for {params}')
1057                 self.assertEqual(sorted(evaluated), expected_eval, f'Evaluation of {name} for {params}')
1058         test_selection({}, INDICES)
1059         test_selection({'playlistend': 20}, INDICES, True)
1060         test_selection({'playlistend': 2}, INDICES[:2])
1061         test_selection({'playliststart': 11}, [], True)
1062         test_selection({'playliststart': 2}, INDICES[1:])
1063         test_selection({'playlist_items': '2-4'}, INDICES[1:4])
1064         test_selection({'playlist_items': '2,4'}, [2, 4])
1065         test_selection({'playlist_items': '20'}, [], True)
1066         test_selection({'playlist_items': '0'}, [])
1067
1068         # Tests for https://github.com/ytdl-org/youtube-dl/issues/10591
1069         test_selection({'playlist_items': '2-4,3-4,3'}, [2, 3, 4])
1070         test_selection({'playlist_items': '4,2'}, [4, 2])
1071
1072         # Tests for https://github.com/yt-dlp/yt-dlp/issues/720
1073         # https://github.com/yt-dlp/yt-dlp/issues/302
1074         test_selection({'playlistreverse': True}, INDICES[::-1])
1075         test_selection({'playliststart': 2, 'playlistreverse': True}, INDICES[:0:-1])
1076         test_selection({'playlist_items': '2,4', 'playlistreverse': True}, [4, 2])
1077         test_selection({'playlist_items': '4,2'}, [4, 2])
1078
1079         # Tests for --playlist-items start:end:step
1080         test_selection({'playlist_items': ':'}, INDICES, True)
1081         test_selection({'playlist_items': '::1'}, INDICES, True)
1082         test_selection({'playlist_items': '::-1'}, INDICES[::-1], True)
1083         test_selection({'playlist_items': ':6'}, INDICES[:6])
1084         test_selection({'playlist_items': ':-6'}, INDICES[:-5], True)
1085         test_selection({'playlist_items': '-1:6:-2'}, INDICES[:4:-2], True)
1086         test_selection({'playlist_items': '9:-6:-2'}, INDICES[8:3:-2], True)
1087
1088         test_selection({'playlist_items': '1:inf:2'}, INDICES[::2], True)
1089         test_selection({'playlist_items': '-2:inf'}, INDICES[-2:], True)
1090         test_selection({'playlist_items': ':inf:-1'}, [], True)
1091         test_selection({'playlist_items': '0-2:2'}, [2])
1092         test_selection({'playlist_items': '1-:2'}, INDICES[::2], True)
1093         test_selection({'playlist_items': '0--2:2'}, INDICES[1:-1:2], True)
1094
1095         test_selection({'playlist_items': '10::3'}, [10], True)
1096         test_selection({'playlist_items': '-1::3'}, [10], True)
1097         test_selection({'playlist_items': '11::3'}, [], True)
1098         test_selection({'playlist_items': '-15::2'}, INDICES[1::2], True)
1099         test_selection({'playlist_items': '-15::15'}, [], True)
1100
1101     def test_urlopen_no_file_protocol(self):
1102         # see https://github.com/ytdl-org/youtube-dl/issues/8227
1103         ydl = YDL()
1104         self.assertRaises(compat_urllib_error.URLError, ydl.urlopen, 'file:///etc/passwd')
1105
1106     def test_do_not_override_ie_key_in_url_transparent(self):
1107         ydl = YDL()
1108
1109         class Foo1IE(InfoExtractor):
1110             _VALID_URL = r'foo1:'
1111
1112             def _real_extract(self, url):
1113                 return {
1114                     '_type': 'url_transparent',
1115                     'url': 'foo2:',
1116                     'ie_key': 'Foo2',
1117                     'title': 'foo1 title',
1118                     'id': 'foo1_id',
1119                 }
1120
1121         class Foo2IE(InfoExtractor):
1122             _VALID_URL = r'foo2:'
1123
1124             def _real_extract(self, url):
1125                 return {
1126                     '_type': 'url',
1127                     'url': 'foo3:',
1128                     'ie_key': 'Foo3',
1129                 }
1130
1131         class Foo3IE(InfoExtractor):
1132             _VALID_URL = r'foo3:'
1133
1134             def _real_extract(self, url):
1135                 return _make_result([{'url': TEST_URL}], title='foo3 title')
1136
1137         ydl.add_info_extractor(Foo1IE(ydl))
1138         ydl.add_info_extractor(Foo2IE(ydl))
1139         ydl.add_info_extractor(Foo3IE(ydl))
1140         ydl.extract_info('foo1:')
1141         downloaded = ydl.downloaded_info_dicts[0]
1142         self.assertEqual(downloaded['url'], TEST_URL)
1143         self.assertEqual(downloaded['title'], 'foo1 title')
1144         self.assertEqual(downloaded['id'], 'testid')
1145         self.assertEqual(downloaded['extractor'], 'testex')
1146         self.assertEqual(downloaded['extractor_key'], 'TestEx')
1147
1148     # Test case for https://github.com/ytdl-org/youtube-dl/issues/27064
1149     def test_ignoreerrors_for_playlist_with_url_transparent_iterable_entries(self):
1150
1151         class _YDL(YDL):
1152             def __init__(self, *args, **kwargs):
1153                 super().__init__(*args, **kwargs)
1154
1155             def trouble(self, s, tb=None):
1156                 pass
1157
1158         ydl = _YDL({
1159             'format': 'extra',
1160             'ignoreerrors': True,
1161         })
1162
1163         class VideoIE(InfoExtractor):
1164             _VALID_URL = r'video:(?P<id>\d+)'
1165
1166             def _real_extract(self, url):
1167                 video_id = self._match_id(url)
1168                 formats = [{
1169                     'format_id': 'default',
1170                     'url': 'url:',
1171                 }]
1172                 if video_id == '0':
1173                     raise ExtractorError('foo')
1174                 if video_id == '2':
1175                     formats.append({
1176                         'format_id': 'extra',
1177                         'url': TEST_URL,
1178                     })
1179                 return {
1180                     'id': video_id,
1181                     'title': 'Video %s' % video_id,
1182                     'formats': formats,
1183                 }
1184
1185         class PlaylistIE(InfoExtractor):
1186             _VALID_URL = r'playlist:'
1187
1188             def _entries(self):
1189                 for n in range(3):
1190                     video_id = compat_str(n)
1191                     yield {
1192                         '_type': 'url_transparent',
1193                         'ie_key': VideoIE.ie_key(),
1194                         'id': video_id,
1195                         'url': 'video:%s' % video_id,
1196                         'title': 'Video Transparent %s' % video_id,
1197                     }
1198
1199             def _real_extract(self, url):
1200                 return self.playlist_result(self._entries())
1201
1202         ydl.add_info_extractor(VideoIE(ydl))
1203         ydl.add_info_extractor(PlaylistIE(ydl))
1204         info = ydl.extract_info('playlist:')
1205         entries = info['entries']
1206         self.assertEqual(len(entries), 3)
1207         self.assertTrue(entries[0] is None)
1208         self.assertTrue(entries[1] is None)
1209         self.assertEqual(len(ydl.downloaded_info_dicts), 1)
1210         downloaded = ydl.downloaded_info_dicts[0]
1211         entries[2].pop('requested_downloads', None)
1212         self.assertEqual(entries[2], downloaded)
1213         self.assertEqual(downloaded['url'], TEST_URL)
1214         self.assertEqual(downloaded['title'], 'Video Transparent 2')
1215         self.assertEqual(downloaded['id'], '2')
1216         self.assertEqual(downloaded['extractor'], 'Video')
1217         self.assertEqual(downloaded['extractor_key'], 'Video')
1218
1219
1220 if __name__ == '__main__':
1221     unittest.main()