test/test_YoutubeDL.py

   1 #!/usr/bin/env python3
   2
   3 # Allow direct execution
   4 import os
   5 import sys
   6 import unittest
   7
   8 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   9
  10
  11 import copy
  12 import json
  13
  14 from test.helper import FakeYDL, assertRegexpMatches
  15 from yt_dlp import YoutubeDL
  16 from yt_dlp.compat import compat_os_name
  17 from yt_dlp.extractor import YoutubeIE
  18 from yt_dlp.extractor.common import InfoExtractor
  19 from yt_dlp.postprocessor.common import PostProcessor
  20 from yt_dlp.utils import (
  21     ExtractorError,
  22     LazyList,
  23     OnDemandPagedList,
  24     int_or_none,
  25     match_filter_func,
  26 )
  27
  28 TEST_URL = 'http://localhost/sample.mp4'
  29
  30
  31 class YDL(FakeYDL):
  32     def __init__(self, *args, **kwargs):
  33         super().__init__(*args, **kwargs)
  34         self.downloaded_info_dicts = []
  35         self.msgs = []
  36
  37     def process_info(self, info_dict):
  38         self.downloaded_info_dicts.append(info_dict.copy())
  39
  40     def to_screen(self, msg, *args, **kwargs):
  41         self.msgs.append(msg)
  42
  43     def dl(self, *args, **kwargs):
  44         assert False, 'Downloader must not be invoked for test_YoutubeDL'
  45
  46
  47 def _make_result(formats, **kwargs):
  48     res = {
  49         'formats': formats,
  50         'id': 'testid',
  51         'title': 'testttitle',
  52         'extractor': 'testex',
  53         'extractor_key': 'TestEx',
  54         'webpage_url': 'http://example.com/watch?v=shenanigans',
  55     }
  56     res.update(**kwargs)
  57     return res
  58
  59
  60 class TestFormatSelection(unittest.TestCase):
  61     def test_prefer_free_formats(self):
  62         # Same resolution => download webm
  63         ydl = YDL()
  64         ydl.params['prefer_free_formats'] = True
  65         formats = [
  66             {'ext': 'webm', 'height': 460, 'url': TEST_URL},
  67             {'ext': 'mp4', 'height': 460, 'url': TEST_URL},
  68         ]
  69         info_dict = _make_result(formats)
  70         ydl.sort_formats(info_dict)
  71         ydl.process_ie_result(info_dict)
  72         downloaded = ydl.downloaded_info_dicts[0]
  73         self.assertEqual(downloaded['ext'], 'webm')
  74
  75         # Different resolution => download best quality (mp4)
  76         ydl = YDL()
  77         ydl.params['prefer_free_formats'] = True
  78         formats = [
  79             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  80             {'ext': 'mp4', 'height': 1080, 'url': TEST_URL},
  81         ]
  82         info_dict['formats'] = formats
  83         ydl.sort_formats(info_dict)
  84         ydl.process_ie_result(info_dict)
  85         downloaded = ydl.downloaded_info_dicts[0]
  86         self.assertEqual(downloaded['ext'], 'mp4')
  87
  88         # No prefer_free_formats => prefer mp4 and webm
  89         ydl = YDL()
  90         ydl.params['prefer_free_formats'] = False
  91         formats = [
  92             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  93             {'ext': 'mp4', 'height': 720, 'url': TEST_URL},
  94             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
  95         ]
  96         info_dict['formats'] = formats
  97         ydl.sort_formats(info_dict)
  98         ydl.process_ie_result(info_dict)
  99         downloaded = ydl.downloaded_info_dicts[0]
 100         self.assertEqual(downloaded['ext'], 'mp4')
 101
 102         ydl = YDL()
 103         ydl.params['prefer_free_formats'] = False
 104         formats = [
 105             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
 106             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
 107         ]
 108         info_dict['formats'] = formats
 109         ydl.sort_formats(info_dict)
 110         ydl.process_ie_result(info_dict)
 111         downloaded = ydl.downloaded_info_dicts[0]
 112         self.assertEqual(downloaded['ext'], 'webm')
 113
 114     def test_format_selection(self):
 115         formats = [
 116             {'format_id': '35', 'ext': 'mp4', 'preference': 0, 'url': TEST_URL},
 117             {'format_id': 'example-with-dashes', 'ext': 'webm', 'preference': 1, 'url': TEST_URL},
 118             {'format_id': '45', 'ext': 'webm', 'preference': 2, 'url': TEST_URL},
 119             {'format_id': '47', 'ext': 'webm', 'preference': 3, 'url': TEST_URL},
 120             {'format_id': '2', 'ext': 'flv', 'preference': 4, 'url': TEST_URL},
 121         ]
 122         info_dict = _make_result(formats)
 123
 124         def test(inp, *expected, multi=False):
 125             ydl = YDL({
 126                 'format': inp,
 127                 'allow_multiple_video_streams': multi,
 128                 'allow_multiple_audio_streams': multi,
 129             })
 130             ydl.process_ie_result(info_dict.copy())
 131             downloaded = map(lambda x: x['format_id'], ydl.downloaded_info_dicts)
 132             self.assertEqual(list(downloaded), list(expected))
 133
 134         test('20/47', '47')
 135         test('20/71/worst', '35')
 136         test(None, '2')
 137         test('webm/mp4', '47')
 138         test('3gp/40/mp4', '35')
 139         test('example-with-dashes', 'example-with-dashes')
 140         test('all', '2', '47', '45', 'example-with-dashes', '35')
 141         test('mergeall', '2+47+45+example-with-dashes+35', multi=True)
 142
 143     def test_format_selection_audio(self):
 144         formats = [
 145             {'format_id': 'audio-low', 'ext': 'webm', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 146             {'format_id': 'audio-mid', 'ext': 'webm', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 147             {'format_id': 'audio-high', 'ext': 'flv', 'preference': 3, 'vcodec': 'none', 'url': TEST_URL},
 148             {'format_id': 'vid', 'ext': 'mp4', 'preference': 4, 'url': TEST_URL},
 149         ]
 150         info_dict = _make_result(formats)
 151
 152         ydl = YDL({'format': 'bestaudio'})
 153         ydl.process_ie_result(info_dict.copy())
 154         downloaded = ydl.downloaded_info_dicts[0]
 155         self.assertEqual(downloaded['format_id'], 'audio-high')
 156
 157         ydl = YDL({'format': 'worstaudio'})
 158         ydl.process_ie_result(info_dict.copy())
 159         downloaded = ydl.downloaded_info_dicts[0]
 160         self.assertEqual(downloaded['format_id'], 'audio-low')
 161
 162         formats = [
 163             {'format_id': 'vid-low', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
 164             {'format_id': 'vid-high', 'ext': 'mp4', 'preference': 2, 'url': TEST_URL},
 165         ]
 166         info_dict = _make_result(formats)
 167
 168         ydl = YDL({'format': 'bestaudio/worstaudio/best'})
 169         ydl.process_ie_result(info_dict.copy())
 170         downloaded = ydl.downloaded_info_dicts[0]
 171         self.assertEqual(downloaded['format_id'], 'vid-high')
 172
 173     def test_format_selection_audio_exts(self):
 174         formats = [
 175             {'format_id': 'mp3-64', 'ext': 'mp3', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 176             {'format_id': 'ogg-64', 'ext': 'ogg', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 177             {'format_id': 'aac-64', 'ext': 'aac', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 178             {'format_id': 'mp3-32', 'ext': 'mp3', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 179             {'format_id': 'aac-32', 'ext': 'aac', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 180         ]
 181
 182         info_dict = _make_result(formats)
 183         ydl = YDL({'format': 'best'})
 184         ydl.sort_formats(info_dict)
 185         ydl.process_ie_result(copy.deepcopy(info_dict))
 186         downloaded = ydl.downloaded_info_dicts[0]
 187         self.assertEqual(downloaded['format_id'], 'aac-64')
 188
 189         ydl = YDL({'format': 'mp3'})
 190         ydl.sort_formats(info_dict)
 191         ydl.process_ie_result(copy.deepcopy(info_dict))
 192         downloaded = ydl.downloaded_info_dicts[0]
 193         self.assertEqual(downloaded['format_id'], 'mp3-64')
 194
 195         ydl = YDL({'prefer_free_formats': True})
 196         ydl.sort_formats(info_dict)
 197         ydl.process_ie_result(copy.deepcopy(info_dict))
 198         downloaded = ydl.downloaded_info_dicts[0]
 199         self.assertEqual(downloaded['format_id'], 'ogg-64')
 200
 201     def test_format_selection_video(self):
 202         formats = [
 203             {'format_id': 'dash-video-low', 'ext': 'mp4', 'preference': 1, 'acodec': 'none', 'url': TEST_URL},
 204             {'format_id': 'dash-video-high', 'ext': 'mp4', 'preference': 2, 'acodec': 'none', 'url': TEST_URL},
 205             {'format_id': 'vid', 'ext': 'mp4', 'preference': 3, 'url': TEST_URL},
 206         ]
 207         info_dict = _make_result(formats)
 208
 209         ydl = YDL({'format': 'bestvideo'})
 210         ydl.process_ie_result(info_dict.copy())
 211         downloaded = ydl.downloaded_info_dicts[0]
 212         self.assertEqual(downloaded['format_id'], 'dash-video-high')
 213
 214         ydl = YDL({'format': 'worstvideo'})
 215         ydl.process_ie_result(info_dict.copy())
 216         downloaded = ydl.downloaded_info_dicts[0]
 217         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 218
 219         ydl = YDL({'format': 'bestvideo[format_id^=dash][format_id$=low]'})
 220         ydl.process_ie_result(info_dict.copy())
 221         downloaded = ydl.downloaded_info_dicts[0]
 222         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 223
 224         formats = [
 225             {'format_id': 'vid-vcodec-dot', 'ext': 'mp4', 'preference': 1, 'vcodec': 'avc1.123456', 'acodec': 'none', 'url': TEST_URL},
 226         ]
 227         info_dict = _make_result(formats)
 228
 229         ydl = YDL({'format': 'bestvideo[vcodec=avc1.123456]'})
 230         ydl.process_ie_result(info_dict.copy())
 231         downloaded = ydl.downloaded_info_dicts[0]
 232         self.assertEqual(downloaded['format_id'], 'vid-vcodec-dot')
 233
 234     def test_format_selection_string_ops(self):
 235         formats = [
 236             {'format_id': 'abc-cba', 'ext': 'mp4', 'url': TEST_URL},
 237             {'format_id': 'zxc-cxz', 'ext': 'webm', 'url': TEST_URL},
 238         ]
 239         info_dict = _make_result(formats)
 240
 241         # equals (=)
 242         ydl = YDL({'format': '[format_id=abc-cba]'})
 243         ydl.process_ie_result(info_dict.copy())
 244         downloaded = ydl.downloaded_info_dicts[0]
 245         self.assertEqual(downloaded['format_id'], 'abc-cba')
 246
 247         # does not equal (!=)
 248         ydl = YDL({'format': '[format_id!=abc-cba]'})
 249         ydl.process_ie_result(info_dict.copy())
 250         downloaded = ydl.downloaded_info_dicts[0]
 251         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 252
 253         ydl = YDL({'format': '[format_id!=abc-cba][format_id!=zxc-cxz]'})
 254         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 255
 256         # starts with (^=)
 257         ydl = YDL({'format': '[format_id^=abc]'})
 258         ydl.process_ie_result(info_dict.copy())
 259         downloaded = ydl.downloaded_info_dicts[0]
 260         self.assertEqual(downloaded['format_id'], 'abc-cba')
 261
 262         # does not start with (!^=)
 263         ydl = YDL({'format': '[format_id!^=abc]'})
 264         ydl.process_ie_result(info_dict.copy())
 265         downloaded = ydl.downloaded_info_dicts[0]
 266         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 267
 268         ydl = YDL({'format': '[format_id!^=abc][format_id!^=zxc]'})
 269         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 270
 271         # ends with ($=)
 272         ydl = YDL({'format': '[format_id$=cba]'})
 273         ydl.process_ie_result(info_dict.copy())
 274         downloaded = ydl.downloaded_info_dicts[0]
 275         self.assertEqual(downloaded['format_id'], 'abc-cba')
 276
 277         # does not end with (!$=)
 278         ydl = YDL({'format': '[format_id!$=cba]'})
 279         ydl.process_ie_result(info_dict.copy())
 280         downloaded = ydl.downloaded_info_dicts[0]
 281         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 282
 283         ydl = YDL({'format': '[format_id!$=cba][format_id!$=cxz]'})
 284         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 285
 286         # contains (*=)
 287         ydl = YDL({'format': '[format_id*=bc-cb]'})
 288         ydl.process_ie_result(info_dict.copy())
 289         downloaded = ydl.downloaded_info_dicts[0]
 290         self.assertEqual(downloaded['format_id'], 'abc-cba')
 291
 292         # does not contain (!*=)
 293         ydl = YDL({'format': '[format_id!*=bc-cb]'})
 294         ydl.process_ie_result(info_dict.copy())
 295         downloaded = ydl.downloaded_info_dicts[0]
 296         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 297
 298         ydl = YDL({'format': '[format_id!*=abc][format_id!*=zxc]'})
 299         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 300
 301         ydl = YDL({'format': '[format_id!*=-]'})
 302         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 303
 304     def test_youtube_format_selection(self):
 305         # FIXME: Rewrite in accordance with the new format sorting options
 306         return
 307
 308         order = [
 309             '38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '17', '36', '13',
 310             # Apple HTTP Live Streaming
 311             '96', '95', '94', '93', '92', '132', '151',
 312             # 3D
 313             '85', '84', '102', '83', '101', '82', '100',
 314             # Dash video
 315             '137', '248', '136', '247', '135', '246',
 316             '245', '244', '134', '243', '133', '242', '160',
 317             # Dash audio
 318             '141', '172', '140', '171', '139',
 319         ]
 320
 321         def format_info(f_id):
 322             info = YoutubeIE._formats[f_id].copy()
 323
 324             # XXX: In real cases InfoExtractor._parse_mpd_formats() fills up 'acodec'
 325             # and 'vcodec', while in tests such information is incomplete since
 326             # commit a6c2c24479e5f4827ceb06f64d855329c0a6f593
 327             # test_YoutubeDL.test_youtube_format_selection is broken without
 328             # this fix
 329             if 'acodec' in info and 'vcodec' not in info:
 330                 info['vcodec'] = 'none'
 331             elif 'vcodec' in info and 'acodec' not in info:
 332                 info['acodec'] = 'none'
 333
 334             info['format_id'] = f_id
 335             info['url'] = 'url:' + f_id
 336             return info
 337         formats_order = [format_info(f_id) for f_id in order]
 338
 339         info_dict = _make_result(list(formats_order), extractor='youtube')
 340         ydl = YDL({'format': 'bestvideo+bestaudio'})
 341         ydl.sort_formats(info_dict)
 342         ydl.process_ie_result(info_dict)
 343         downloaded = ydl.downloaded_info_dicts[0]
 344         self.assertEqual(downloaded['format_id'], '248+172')
 345         self.assertEqual(downloaded['ext'], 'mp4')
 346
 347         info_dict = _make_result(list(formats_order), extractor='youtube')
 348         ydl = YDL({'format': 'bestvideo[height>=999999]+bestaudio/best'})
 349         ydl.sort_formats(info_dict)
 350         ydl.process_ie_result(info_dict)
 351         downloaded = ydl.downloaded_info_dicts[0]
 352         self.assertEqual(downloaded['format_id'], '38')
 353
 354         info_dict = _make_result(list(formats_order), extractor='youtube')
 355         ydl = YDL({'format': 'bestvideo/best,bestaudio'})
 356         ydl.sort_formats(info_dict)
 357         ydl.process_ie_result(info_dict)
 358         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 359         self.assertEqual(downloaded_ids, ['137', '141'])
 360
 361         info_dict = _make_result(list(formats_order), extractor='youtube')
 362         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
 363         ydl.sort_formats(info_dict)
 364         ydl.process_ie_result(info_dict)
 365         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 366         self.assertEqual(downloaded_ids, ['137+141', '248+141'])
 367
 368         info_dict = _make_result(list(formats_order), extractor='youtube')
 369         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
 370         ydl.sort_formats(info_dict)
 371         ydl.process_ie_result(info_dict)
 372         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 373         self.assertEqual(downloaded_ids, ['136+141', '247+141'])
 374
 375         info_dict = _make_result(list(formats_order), extractor='youtube')
 376         ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
 377         ydl.sort_formats(info_dict)
 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, ['248+141'])
 381
 382         for f1, f2 in zip(formats_order, formats_order[1:]):
 383             info_dict = _make_result([f1, f2], extractor='youtube')
 384             ydl = YDL({'format': 'best/bestvideo'})
 385             ydl.sort_formats(info_dict)
 386             ydl.process_ie_result(info_dict)
 387             downloaded = ydl.downloaded_info_dicts[0]
 388             self.assertEqual(downloaded['format_id'], f1['format_id'])
 389
 390             info_dict = _make_result([f2, f1], extractor='youtube')
 391             ydl = YDL({'format': 'best/bestvideo'})
 392             ydl.sort_formats(info_dict)
 393             ydl.process_ie_result(info_dict)
 394             downloaded = ydl.downloaded_info_dicts[0]
 395             self.assertEqual(downloaded['format_id'], f1['format_id'])
 396
 397     def test_audio_only_extractor_format_selection(self):
 398         # For extractors with incomplete formats (all formats are audio-only or
 399         # video-only) best and worst should fallback to corresponding best/worst
 400         # video-only or audio-only formats (as per
 401         # https://github.com/ytdl-org/youtube-dl/pull/5556)
 402         formats = [
 403             {'format_id': 'low', 'ext': 'mp3', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 404             {'format_id': 'high', 'ext': 'mp3', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 405         ]
 406         info_dict = _make_result(formats)
 407
 408         ydl = YDL({'format': 'best'})
 409         ydl.process_ie_result(info_dict.copy())
 410         downloaded = ydl.downloaded_info_dicts[0]
 411         self.assertEqual(downloaded['format_id'], 'high')
 412
 413         ydl = YDL({'format': 'worst'})
 414         ydl.process_ie_result(info_dict.copy())
 415         downloaded = ydl.downloaded_info_dicts[0]
 416         self.assertEqual(downloaded['format_id'], 'low')
 417
 418     def test_format_not_available(self):
 419         formats = [
 420             {'format_id': 'regular', 'ext': 'mp4', 'height': 360, 'url': TEST_URL},
 421             {'format_id': 'video', 'ext': 'mp4', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
 422         ]
 423         info_dict = _make_result(formats)
 424
 425         # This must fail since complete video-audio format does not match filter
 426         # and extractor does not provide incomplete only formats (i.e. only
 427         # video-only or audio-only).
 428         ydl = YDL({'format': 'best[height>360]'})
 429         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 430
 431     def test_format_selection_issue_10083(self):
 432         # See https://github.com/ytdl-org/youtube-dl/issues/10083
 433         formats = [
 434             {'format_id': 'regular', 'height': 360, 'url': TEST_URL},
 435             {'format_id': 'video', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
 436             {'format_id': 'audio', 'vcodec': 'none', 'url': TEST_URL},
 437         ]
 438         info_dict = _make_result(formats)
 439
 440         ydl = YDL({'format': 'best[height>360]/bestvideo[height>360]+bestaudio'})
 441         ydl.process_ie_result(info_dict.copy())
 442         self.assertEqual(ydl.downloaded_info_dicts[0]['format_id'], 'video+audio')
 443
 444     def test_invalid_format_specs(self):
 445         def assert_syntax_error(format_spec):
 446             self.assertRaises(SyntaxError, YDL, {'format': format_spec})
 447
 448         assert_syntax_error('bestvideo,,best')
 449         assert_syntax_error('+bestaudio')
 450         assert_syntax_error('bestvideo+')
 451         assert_syntax_error('/')
 452         assert_syntax_error('[720<height]')
 453
 454     def test_format_filtering(self):
 455         formats = [
 456             {'format_id': 'A', 'filesize': 500, 'width': 1000},
 457             {'format_id': 'B', 'filesize': 1000, 'width': 500},
 458             {'format_id': 'C', 'filesize': 1000, 'width': 400},
 459             {'format_id': 'D', 'filesize': 2000, 'width': 600},
 460             {'format_id': 'E', 'filesize': 3000},
 461             {'format_id': 'F'},
 462             {'format_id': 'G', 'filesize': 1000000},
 463         ]
 464         for f in formats:
 465             f['url'] = 'http://_/'
 466             f['ext'] = 'unknown'
 467         info_dict = _make_result(formats, _format_sort_fields=('id', ))
 468
 469         ydl = YDL({'format': 'best[filesize<3000]'})
 470         ydl.process_ie_result(info_dict)
 471         downloaded = ydl.downloaded_info_dicts[0]
 472         self.assertEqual(downloaded['format_id'], 'D')
 473
 474         ydl = YDL({'format': 'best[filesize<=3000]'})
 475         ydl.process_ie_result(info_dict)
 476         downloaded = ydl.downloaded_info_dicts[0]
 477         self.assertEqual(downloaded['format_id'], 'E')
 478
 479         ydl = YDL({'format': 'best[filesize <= ? 3000]'})
 480         ydl.process_ie_result(info_dict)
 481         downloaded = ydl.downloaded_info_dicts[0]
 482         self.assertEqual(downloaded['format_id'], 'F')
 483
 484         ydl = YDL({'format': 'best [filesize = 1000] [width>450]'})
 485         ydl.process_ie_result(info_dict)
 486         downloaded = ydl.downloaded_info_dicts[0]
 487         self.assertEqual(downloaded['format_id'], 'B')
 488
 489         ydl = YDL({'format': 'best [filesize = 1000] [width!=450]'})
 490         ydl.process_ie_result(info_dict)
 491         downloaded = ydl.downloaded_info_dicts[0]
 492         self.assertEqual(downloaded['format_id'], 'C')
 493
 494         ydl = YDL({'format': '[filesize>?1]'})
 495         ydl.process_ie_result(info_dict)
 496         downloaded = ydl.downloaded_info_dicts[0]
 497         self.assertEqual(downloaded['format_id'], 'G')
 498
 499         ydl = YDL({'format': '[filesize<1M]'})
 500         ydl.process_ie_result(info_dict)
 501         downloaded = ydl.downloaded_info_dicts[0]
 502         self.assertEqual(downloaded['format_id'], 'E')
 503
 504         ydl = YDL({'format': '[filesize<1MiB]'})
 505         ydl.process_ie_result(info_dict)
 506         downloaded = ydl.downloaded_info_dicts[0]
 507         self.assertEqual(downloaded['format_id'], 'G')
 508
 509         ydl = YDL({'format': 'all[width>=400][width<=600]'})
 510         ydl.process_ie_result(info_dict)
 511         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 512         self.assertEqual(downloaded_ids, ['D', 'C', 'B'])
 513
 514         ydl = YDL({'format': 'best[height<40]'})
 515         try:
 516             ydl.process_ie_result(info_dict)
 517         except ExtractorError:
 518             pass
 519         self.assertEqual(ydl.downloaded_info_dicts, [])
 520
 521     def test_default_format_spec(self):
 522         ydl = YDL({'simulate': True})
 523         self.assertEqual(ydl._default_format_spec({}), 'bestvideo*+bestaudio/best')
 524
 525         ydl = YDL({})
 526         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
 527
 528         ydl = YDL({'simulate': True})
 529         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'bestvideo*+bestaudio/best')
 530
 531         ydl = YDL({'outtmpl': '-'})
 532         self.assertEqual(ydl._default_format_spec({}), 'best/bestvideo+bestaudio')
 533
 534         ydl = YDL({})
 535         self.assertEqual(ydl._default_format_spec({}, download=False), 'bestvideo*+bestaudio/best')
 536         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
 537
 538
 539 class TestYoutubeDL(unittest.TestCase):
 540     def test_subtitles(self):
 541         def s_formats(lang, autocaption=False):
 542             return [{
 543                 'ext': ext,
 544                 'url': f'http://localhost/video.{lang}.{ext}',
 545                 '_auto': autocaption,
 546             } for ext in ['vtt', 'srt', 'ass']]
 547         subtitles = {l: s_formats(l) for l in ['en', 'fr', 'es']}
 548         auto_captions = {l: s_formats(l, True) for l in ['it', 'pt', 'es']}
 549         info_dict = {
 550             'id': 'test',
 551             'title': 'Test',
 552             'url': 'http://localhost/video.mp4',
 553             'subtitles': subtitles,
 554             'automatic_captions': auto_captions,
 555             'extractor': 'TEST',
 556             'webpage_url': 'http://example.com/watch?v=shenanigans',
 557         }
 558
 559         def get_info(params={}):
 560             params.setdefault('simulate', True)
 561             ydl = YDL(params)
 562             ydl.report_warning = lambda *args, **kargs: None
 563             return ydl.process_video_result(info_dict, download=False)
 564
 565         result = get_info()
 566         self.assertFalse(result.get('requested_subtitles'))
 567         self.assertEqual(result['subtitles'], subtitles)
 568         self.assertEqual(result['automatic_captions'], auto_captions)
 569
 570         result = get_info({'writesubtitles': True})
 571         subs = result['requested_subtitles']
 572         self.assertTrue(subs)
 573         self.assertEqual(set(subs.keys()), {'en'})
 574         self.assertTrue(subs['en'].get('data') is None)
 575         self.assertEqual(subs['en']['ext'], 'ass')
 576
 577         result = get_info({'writesubtitles': True, 'subtitlesformat': 'foo/srt'})
 578         subs = result['requested_subtitles']
 579         self.assertEqual(subs['en']['ext'], 'srt')
 580
 581         result = get_info({'writesubtitles': True, 'subtitleslangs': ['es', 'fr', 'it']})
 582         subs = result['requested_subtitles']
 583         self.assertTrue(subs)
 584         self.assertEqual(set(subs.keys()), {'es', 'fr'})
 585
 586         result = get_info({'writesubtitles': True, 'subtitleslangs': ['all', '-en']})
 587         subs = result['requested_subtitles']
 588         self.assertTrue(subs)
 589         self.assertEqual(set(subs.keys()), {'es', 'fr'})
 590
 591         result = get_info({'writesubtitles': True, 'subtitleslangs': ['en', 'fr', '-en']})
 592         subs = result['requested_subtitles']
 593         self.assertTrue(subs)
 594         self.assertEqual(set(subs.keys()), {'fr'})
 595
 596         result = get_info({'writesubtitles': True, 'subtitleslangs': ['-en', 'en']})
 597         subs = result['requested_subtitles']
 598         self.assertTrue(subs)
 599         self.assertEqual(set(subs.keys()), {'en'})
 600
 601         result = get_info({'writesubtitles': True, 'subtitleslangs': ['e.+']})
 602         subs = result['requested_subtitles']
 603         self.assertTrue(subs)
 604         self.assertEqual(set(subs.keys()), {'es', 'en'})
 605
 606         result = get_info({'writesubtitles': True, 'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 607         subs = result['requested_subtitles']
 608         self.assertTrue(subs)
 609         self.assertEqual(set(subs.keys()), {'es', 'pt'})
 610         self.assertFalse(subs['es']['_auto'])
 611         self.assertTrue(subs['pt']['_auto'])
 612
 613         result = get_info({'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 614         subs = result['requested_subtitles']
 615         self.assertTrue(subs)
 616         self.assertEqual(set(subs.keys()), {'es', 'pt'})
 617         self.assertTrue(subs['es']['_auto'])
 618         self.assertTrue(subs['pt']['_auto'])
 619
 620     def test_add_extra_info(self):
 621         test_dict = {
 622             'extractor': 'Foo',
 623         }
 624         extra_info = {
 625             'extractor': 'Bar',
 626             'playlist': 'funny videos',
 627         }
 628         YDL.add_extra_info(test_dict, extra_info)
 629         self.assertEqual(test_dict['extractor'], 'Foo')
 630         self.assertEqual(test_dict['playlist'], 'funny videos')
 631
 632     outtmpl_info = {
 633         'id': '1234',
 634         'ext': 'mp4',
 635         'width': None,
 636         'height': 1080,
 637         'filesize': 1024,
 638         'title1': '$PATH',
 639         'title2': '%PATH%',
 640         'title3': 'foo/bar\\test',
 641         'title4': 'foo "bar" test',
 642         'title5': 'áéí 𝐀',
 643         'timestamp': 1618488000,
 644         'duration': 100000,
 645         'playlist_index': 1,
 646         'playlist_autonumber': 2,
 647         '__last_playlist_index': 100,
 648         'n_entries': 10,
 649         'formats': [
 650             {'id': 'id 1', 'height': 1080, 'width': 1920},
 651             {'id': 'id 2', 'height': 720},
 652             {'id': 'id 3'}
 653         ]
 654     }
 655
 656     def test_prepare_outtmpl_and_filename(self):
 657         def test(tmpl, expected, *, info=None, **params):
 658             params['outtmpl'] = tmpl
 659             ydl = FakeYDL(params)
 660             ydl._num_downloads = 1
 661             self.assertEqual(ydl.validate_outtmpl(tmpl), None)
 662
 663             out = ydl.evaluate_outtmpl(tmpl, info or self.outtmpl_info)
 664             fname = ydl.prepare_filename(info or self.outtmpl_info)
 665
 666             if not isinstance(expected, (list, tuple)):
 667                 expected = (expected, expected)
 668             for (name, got), expect in zip((('outtmpl', out), ('filename', fname)), expected):
 669                 if callable(expect):
 670                     self.assertTrue(expect(got), f'Wrong {name} from {tmpl}')
 671                 elif expect is not None:
 672                     self.assertEqual(got, expect, f'Wrong {name} from {tmpl}')
 673
 674         # Side-effects
 675         original_infodict = dict(self.outtmpl_info)
 676         test('foo.bar', 'foo.bar')
 677         original_infodict['epoch'] = self.outtmpl_info.get('epoch')
 678         self.assertTrue(isinstance(original_infodict['epoch'], int))
 679         test('%(epoch)d', int_or_none)
 680         self.assertEqual(original_infodict, self.outtmpl_info)
 681
 682         # Auto-generated fields
 683         test('%(id)s.%(ext)s', '1234.mp4')
 684         test('%(duration_string)s', ('27:46:40', '27-46-40'))
 685         test('%(resolution)s', '1080p')
 686         test('%(playlist_index)s', '001')
 687         test('%(playlist_autonumber)s', '02')
 688         test('%(autonumber)s', '00001')
 689         test('%(autonumber+2)03d', '005', autonumber_start=3)
 690         test('%(autonumber)s', '001', autonumber_size=3)
 691
 692         # Escaping %
 693         test('%', '%')
 694         test('%%', '%')
 695         test('%%%%', '%%')
 696         test('%s', '%s')
 697         test('%%%s', '%%s')
 698         test('%d', '%d')
 699         test('%abc%', '%abc%')
 700         test('%%(width)06d.%(ext)s', '%(width)06d.mp4')
 701         test('%%%(height)s', '%1080')
 702         test('%(width)06d.%(ext)s', 'NA.mp4')
 703         test('%(width)06d.%%(ext)s', 'NA.%(ext)s')
 704         test('%%(width)06d.%(ext)s', '%(width)06d.mp4')
 705
 706         # ID sanitization
 707         test('%(id)s', '_abcd', info={'id': '_abcd'})
 708         test('%(some_id)s', '_abcd', info={'some_id': '_abcd'})
 709         test('%(formats.0.id)s', '_abcd', info={'formats': [{'id': '_abcd'}]})
 710         test('%(id)s', '-abcd', info={'id': '-abcd'})
 711         test('%(id)s', '.abcd', info={'id': '.abcd'})
 712         test('%(id)s', 'ab__cd', info={'id': 'ab__cd'})
 713         test('%(id)s', ('ab:cd', 'ab：cd'), info={'id': 'ab:cd'})
 714         test('%(id.0)s', '-', info={'id': '--'})
 715
 716         # Invalid templates
 717         self.assertTrue(isinstance(YoutubeDL.validate_outtmpl('%(title)'), ValueError))
 718         test('%(invalid@tmpl|def)s', 'none', outtmpl_na_placeholder='none')
 719         test('%(..)s', 'NA')
 720         test('%(formats.{id)s', 'NA')
 721
 722         # Entire info_dict
 723         def expect_same_infodict(out):
 724             got_dict = json.loads(out)
 725             for info_field, expected in self.outtmpl_info.items():
 726                 self.assertEqual(got_dict.get(info_field), expected, info_field)
 727             return True
 728
 729         test('%()j', (expect_same_infodict, str))
 730
 731         # NA placeholder
 732         NA_TEST_OUTTMPL = '%(uploader_date)s-%(width)d-%(x|def)s-%(id)s.%(ext)s'
 733         test(NA_TEST_OUTTMPL, 'NA-NA-def-1234.mp4')
 734         test(NA_TEST_OUTTMPL, 'none-none-def-1234.mp4', outtmpl_na_placeholder='none')
 735         test(NA_TEST_OUTTMPL, '--def-1234.mp4', outtmpl_na_placeholder='')
 736         test('%(non_existent.0)s', 'NA')
 737
 738         # String formatting
 739         FMT_TEST_OUTTMPL = '%%(height)%s.%%(ext)s'
 740         test(FMT_TEST_OUTTMPL % 's', '1080.mp4')
 741         test(FMT_TEST_OUTTMPL % 'd', '1080.mp4')
 742         test(FMT_TEST_OUTTMPL % '6d', '  1080.mp4')
 743         test(FMT_TEST_OUTTMPL % '-6d', '1080  .mp4')
 744         test(FMT_TEST_OUTTMPL % '06d', '001080.mp4')
 745         test(FMT_TEST_OUTTMPL % ' 06d', ' 01080.mp4')
 746         test(FMT_TEST_OUTTMPL % '   06d', ' 01080.mp4')
 747         test(FMT_TEST_OUTTMPL % '0 6d', ' 01080.mp4')
 748         test(FMT_TEST_OUTTMPL % '0   6d', ' 01080.mp4')
 749         test(FMT_TEST_OUTTMPL % '   0   6d', ' 01080.mp4')
 750
 751         # Type casting
 752         test('%(id)d', '1234')
 753         test('%(height)c', '1')
 754         test('%(ext)c', 'm')
 755         test('%(id)d %(id)r', "1234 '1234'")
 756         test('%(id)r %(height)r', "'1234' 1080")
 757         test('%(ext)s-%(ext|def)d', 'mp4-def')
 758         test('%(width|0)04d', '0')
 759         test('a%(width|b)d', 'ab', outtmpl_na_placeholder='none')
 760
 761         FORMATS = self.outtmpl_info['formats']
 762
 763         # Custom type casting
 764         test('%(formats.:.id)l', 'id 1, id 2, id 3')
 765         test('%(formats.:.id)#l', ('id 1\nid 2\nid 3', 'id 1 id 2 id 3'))
 766         test('%(ext)l', 'mp4')
 767         test('%(formats.:.id) 18l', '  id 1, id 2, id 3')
 768         test('%(formats)j', (json.dumps(FORMATS), None))
 769         test('%(formats)#j', (
 770             json.dumps(FORMATS, indent=4),
 771             json.dumps(FORMATS, indent=4).replace(':', '：').replace('"', "＂").replace('\n', ' ')
 772         ))
 773         test('%(title5).3B', 'á')
 774         test('%(title5)U', 'áéí 𝐀')
 775         test('%(title5)#U', 'a\u0301e\u0301i\u0301 𝐀')
 776         test('%(title5)+U', 'áéí A')
 777         test('%(title5)+#U', 'a\u0301e\u0301i\u0301 A')
 778         test('%(height)D', '1k')
 779         test('%(filesize)#D', '1Ki')
 780         test('%(height)5.2D', ' 1.08k')
 781         test('%(title4)#S', 'foo_bar_test')
 782         test('%(title4).10S', ('foo ＂bar＂ ', 'foo ＂bar＂' + ('#' if compat_os_name == 'nt' else ' ')))
 783         if compat_os_name == 'nt':
 784             test('%(title4)q', ('"foo \\"bar\\" test"', "＂foo ⧹＂bar⧹＂ test＂"))
 785             test('%(formats.:.id)#q', ('"id 1" "id 2" "id 3"', '＂id 1＂ ＂id 2＂ ＂id 3＂'))
 786             test('%(formats.0.id)#q', ('"id 1"', '＂id 1＂'))
 787         else:
 788             test('%(title4)q', ('\'foo "bar" test\'', '\'foo ＂bar＂ test\''))
 789             test('%(formats.:.id)#q', "'id 1' 'id 2' 'id 3'")
 790             test('%(formats.0.id)#q', "'id 1'")
 791
 792         # Internal formatting
 793         test('%(timestamp-1000>%H-%M-%S)s', '11-43-20')
 794         test('%(title|%)s %(title|%%)s', '% %%')
 795         test('%(id+1-height+3)05d', '00158')
 796         test('%(width+100)05d', 'NA')
 797         test('%(formats.0) 15s', ('% 15s' % FORMATS[0], None))
 798         test('%(formats.0)r', (repr(FORMATS[0]), None))
 799         test('%(height.0)03d', '001')
 800         test('%(-height.0)04d', '-001')
 801         test('%(formats.-1.id)s', FORMATS[-1]['id'])
 802         test('%(formats.0.id.-1)d', FORMATS[0]['id'][-1])
 803         test('%(formats.3)s', 'NA')
 804         test('%(formats.:2:-1)r', repr(FORMATS[:2:-1]))
 805         test('%(formats.0.id.-1+id)f', '1235.000000')
 806         test('%(formats.0.id.-1+formats.1.id.-1)d', '3')
 807         out = json.dumps([{'id': f['id'], 'height.:2': str(f['height'])[:2]}
 808                           if 'height' in f else {'id': f['id']}
 809                           for f in FORMATS])
 810         test('%(formats.:.{id,height.:2})j', (out, None))
 811         test('%(formats.:.{id,height}.id)l', ', '.join(f['id'] for f in FORMATS))
 812         test('%(.{id,title})j', ('{"id": "1234"}', '{＂id＂： ＂1234＂}'))
 813
 814         # Alternates
 815         test('%(title,id)s', '1234')
 816         test('%(width-100,height+20|def)d', '1100')
 817         test('%(width-100,height+width|def)s', 'def')
 818         test('%(timestamp-x>%H\\,%M\\,%S,timestamp>%H\\,%M\\,%S)s', '12,00,00')
 819
 820         # Replacement
 821         test('%(id&foo)s.bar', 'foo.bar')
 822         test('%(title&foo)s.bar', 'NA.bar')
 823         test('%(title&foo|baz)s.bar', 'baz.bar')
 824         test('%(x,id&foo|baz)s.bar', 'foo.bar')
 825         test('%(x,title&foo|baz)s.bar', 'baz.bar')
 826         test('%(id&a\nb|)s', ('a\nb', 'a b'))
 827         test('%(id&hi {:>10} {}|)s', 'hi       1234 1234')
 828         test(R'%(id&{0} {}|)s', 'NA')
 829         test(R'%(id&{0.1}|)s', 'NA')
 830
 831         # Laziness
 832         def gen():
 833             yield from range(5)
 834             raise self.assertTrue(False, 'LazyList should not be evaluated till here')
 835         test('%(key.4)s', '4', info={'key': LazyList(gen())})
 836
 837         # Empty filename
 838         test('%(foo|)s-%(bar|)s.%(ext)s', '-.mp4')
 839         # test('%(foo|)s.%(ext)s', ('.mp4', '_.mp4'))  # fixme
 840         # test('%(foo|)s', ('', '_'))  # fixme
 841
 842         # Environment variable expansion for prepare_filename
 843         os.environ['__yt_dlp_var'] = 'expanded'
 844         envvar = '%__yt_dlp_var%' if compat_os_name == 'nt' else '$__yt_dlp_var'
 845         test(envvar, (envvar, 'expanded'))
 846         if compat_os_name == 'nt':
 847             test('%s%', ('%s%', '%s%'))
 848             os.environ['s'] = 'expanded'
 849             test('%s%', ('%s%', 'expanded'))  # %s% should be expanded before escaping %s
 850             os.environ['(test)s'] = 'expanded'
 851             test('%(test)s%', ('NA%', 'expanded'))  # Environment should take priority over template
 852
 853         # Path expansion and escaping
 854         test('Hello %(title1)s', 'Hello $PATH')
 855         test('Hello %(title2)s', 'Hello %PATH%')
 856         test('%(title3)s', ('foo/bar\\test', 'foo⧸bar⧹test'))
 857         test('folder/%(title3)s', ('folder/foo/bar\\test', 'folder%sfoo⧸bar⧹test' % os.path.sep))
 858
 859     def test_format_note(self):
 860         ydl = YoutubeDL()
 861         self.assertEqual(ydl._format_note({}), '')
 862         assertRegexpMatches(self, ydl._format_note({
 863             'vbr': 10,
 864         }), r'^\s*10k$')
 865         assertRegexpMatches(self, ydl._format_note({
 866             'fps': 30,
 867         }), r'^30fps$')
 868
 869     def test_postprocessors(self):
 870         filename = 'post-processor-testfile.mp4'
 871         audiofile = filename + '.mp3'
 872
 873         class SimplePP(PostProcessor):
 874             def run(self, info):
 875                 with open(audiofile, 'w') as f:
 876                     f.write('EXAMPLE')
 877                 return [info['filepath']], info
 878
 879         def run_pp(params, PP):
 880             with open(filename, 'w') as f:
 881                 f.write('EXAMPLE')
 882             ydl = YoutubeDL(params)
 883             ydl.add_post_processor(PP())
 884             ydl.post_process(filename, {'filepath': filename})
 885
 886         run_pp({'keepvideo': True}, SimplePP)
 887         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 888         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 889         os.unlink(filename)
 890         os.unlink(audiofile)
 891
 892         run_pp({'keepvideo': False}, SimplePP)
 893         self.assertFalse(os.path.exists(filename), '%s exists' % filename)
 894         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 895         os.unlink(audiofile)
 896
 897         class ModifierPP(PostProcessor):
 898             def run(self, info):
 899                 with open(info['filepath'], 'w') as f:
 900                     f.write('MODIFIED')
 901                 return [], info
 902
 903         run_pp({'keepvideo': False}, ModifierPP)
 904         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 905         os.unlink(filename)
 906
 907     def test_match_filter(self):
 908         first = {
 909             'id': '1',
 910             'url': TEST_URL,
 911             'title': 'one',
 912             'extractor': 'TEST',
 913             'duration': 30,
 914             'filesize': 10 * 1024,
 915             'playlist_id': '42',
 916             'uploader': "變態妍字幕版 太妍 тест",
 917             'creator': "тест ' 123 ' тест--",
 918             'webpage_url': 'http://example.com/watch?v=shenanigans',
 919         }
 920         second = {
 921             'id': '2',
 922             'url': TEST_URL,
 923             'title': 'two',
 924             'extractor': 'TEST',
 925             'duration': 10,
 926             'description': 'foo',
 927             'filesize': 5 * 1024,
 928             'playlist_id': '43',
 929             'uploader': "тест 123",
 930             'webpage_url': 'http://example.com/watch?v=SHENANIGANS',
 931         }
 932         videos = [first, second]
 933
 934         def get_videos(filter_=None):
 935             ydl = YDL({'match_filter': filter_, 'simulate': True})
 936             for v in videos:
 937                 ydl.process_ie_result(v, download=True)
 938             return [v['id'] for v in ydl.downloaded_info_dicts]
 939
 940         res = get_videos()
 941         self.assertEqual(res, ['1', '2'])
 942
 943         def f(v, incomplete):
 944             if v['id'] == '1':
 945                 return None
 946             else:
 947                 return 'Video id is not 1'
 948         res = get_videos(f)
 949         self.assertEqual(res, ['1'])
 950
 951         f = match_filter_func('duration < 30')
 952         res = get_videos(f)
 953         self.assertEqual(res, ['2'])
 954
 955         f = match_filter_func('description = foo')
 956         res = get_videos(f)
 957         self.assertEqual(res, ['2'])
 958
 959         f = match_filter_func('description =? foo')
 960         res = get_videos(f)
 961         self.assertEqual(res, ['1', '2'])
 962
 963         f = match_filter_func('filesize > 5KiB')
 964         res = get_videos(f)
 965         self.assertEqual(res, ['1'])
 966
 967         f = match_filter_func('playlist_id = 42')
 968         res = get_videos(f)
 969         self.assertEqual(res, ['1'])
 970
 971         f = match_filter_func('uploader = "變態妍字幕版 太妍 тест"')
 972         res = get_videos(f)
 973         self.assertEqual(res, ['1'])
 974
 975         f = match_filter_func('uploader != "變態妍字幕版 太妍 тест"')
 976         res = get_videos(f)
 977         self.assertEqual(res, ['2'])
 978
 979         f = match_filter_func('creator = "тест \' 123 \' тест--"')
 980         res = get_videos(f)
 981         self.assertEqual(res, ['1'])
 982
 983         f = match_filter_func("creator = 'тест \\' 123 \\' тест--'")
 984         res = get_videos(f)
 985         self.assertEqual(res, ['1'])
 986
 987         f = match_filter_func(r"creator = 'тест \' 123 \' тест--' & duration > 30")
 988         res = get_videos(f)
 989         self.assertEqual(res, [])
 990
 991     def test_playlist_items_selection(self):
 992         INDICES, PAGE_SIZE = list(range(1, 11)), 3
 993
 994         def entry(i, evaluated):
 995             evaluated.append(i)
 996             return {
 997                 'id': str(i),
 998                 'title': str(i),
 999                 'url': TEST_URL,
1000             }
1001
1002         def pagedlist_entries(evaluated):
1003             def page_func(n):
1004                 start = PAGE_SIZE * n
1005                 for i in INDICES[start: start + PAGE_SIZE]:
1006                     yield entry(i, evaluated)
1007             return OnDemandPagedList(page_func, PAGE_SIZE)
1008
1009         def page_num(i):
1010             return (i + PAGE_SIZE - 1) // PAGE_SIZE
1011
1012         def generator_entries(evaluated):
1013             for i in INDICES:
1014                 yield entry(i, evaluated)
1015
1016         def list_entries(evaluated):
1017             return list(generator_entries(evaluated))
1018
1019         def lazylist_entries(evaluated):
1020             return LazyList(generator_entries(evaluated))
1021
1022         def get_downloaded_info_dicts(params, entries):
1023             ydl = YDL(params)
1024             ydl.process_ie_result({
1025                 '_type': 'playlist',
1026                 'id': 'test',
1027                 'extractor': 'test:playlist',
1028                 'extractor_key': 'test:playlist',
1029                 'webpage_url': 'http://example.com',
1030                 'entries': entries,
1031             })
1032             return ydl.downloaded_info_dicts
1033
1034         def test_selection(params, expected_ids, evaluate_all=False):
1035             expected_ids = list(expected_ids)
1036             if evaluate_all:
1037                 generator_eval = pagedlist_eval = INDICES
1038             elif not expected_ids:
1039                 generator_eval = pagedlist_eval = []
1040             else:
1041                 generator_eval = INDICES[0: max(expected_ids)]
1042                 pagedlist_eval = INDICES[PAGE_SIZE * page_num(min(expected_ids)) - PAGE_SIZE:
1043                                          PAGE_SIZE * page_num(max(expected_ids))]
1044
1045             for name, func, expected_eval in (
1046                 ('list', list_entries, INDICES),
1047                 ('Generator', generator_entries, generator_eval),
1048                 # ('LazyList', lazylist_entries, generator_eval),  # Generator and LazyList follow the exact same code path
1049                 ('PagedList', pagedlist_entries, pagedlist_eval),
1050             ):
1051                 evaluated = []
1052                 entries = func(evaluated)
1053                 results = [(v['playlist_autonumber'] - 1, (int(v['id']), v['playlist_index']))
1054                            for v in get_downloaded_info_dicts(params, entries)]
1055                 self.assertEqual(results, list(enumerate(zip(expected_ids, expected_ids))), f'Entries of {name} for {params}')
1056                 self.assertEqual(sorted(evaluated), expected_eval, f'Evaluation of {name} for {params}')
1057
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_do_not_override_ie_key_in_url_transparent(self):
1102         ydl = YDL()
1103
1104         class Foo1IE(InfoExtractor):
1105             _VALID_URL = r'foo1:'
1106
1107             def _real_extract(self, url):
1108                 return {
1109                     '_type': 'url_transparent',
1110                     'url': 'foo2:',
1111                     'ie_key': 'Foo2',
1112                     'title': 'foo1 title',
1113                     'id': 'foo1_id',
1114                 }
1115
1116         class Foo2IE(InfoExtractor):
1117             _VALID_URL = r'foo2:'
1118
1119             def _real_extract(self, url):
1120                 return {
1121                     '_type': 'url',
1122                     'url': 'foo3:',
1123                     'ie_key': 'Foo3',
1124                 }
1125
1126         class Foo3IE(InfoExtractor):
1127             _VALID_URL = r'foo3:'
1128
1129             def _real_extract(self, url):
1130                 return _make_result([{'url': TEST_URL}], title='foo3 title')
1131
1132         ydl.add_info_extractor(Foo1IE(ydl))
1133         ydl.add_info_extractor(Foo2IE(ydl))
1134         ydl.add_info_extractor(Foo3IE(ydl))
1135         ydl.extract_info('foo1:')
1136         downloaded = ydl.downloaded_info_dicts[0]
1137         self.assertEqual(downloaded['url'], TEST_URL)
1138         self.assertEqual(downloaded['title'], 'foo1 title')
1139         self.assertEqual(downloaded['id'], 'testid')
1140         self.assertEqual(downloaded['extractor'], 'testex')
1141         self.assertEqual(downloaded['extractor_key'], 'TestEx')
1142
1143     # Test case for https://github.com/ytdl-org/youtube-dl/issues/27064
1144     def test_ignoreerrors_for_playlist_with_url_transparent_iterable_entries(self):
1145
1146         class _YDL(YDL):
1147             def __init__(self, *args, **kwargs):
1148                 super().__init__(*args, **kwargs)
1149
1150             def trouble(self, s, tb=None):
1151                 pass
1152
1153         ydl = _YDL({
1154             'format': 'extra',
1155             'ignoreerrors': True,
1156         })
1157
1158         class VideoIE(InfoExtractor):
1159             _VALID_URL = r'video:(?P<id>\d+)'
1160
1161             def _real_extract(self, url):
1162                 video_id = self._match_id(url)
1163                 formats = [{
1164                     'format_id': 'default',
1165                     'url': 'url:',
1166                 }]
1167                 if video_id == '0':
1168                     raise ExtractorError('foo')
1169                 if video_id == '2':
1170                     formats.append({
1171                         'format_id': 'extra',
1172                         'url': TEST_URL,
1173                     })
1174                 return {
1175                     'id': video_id,
1176                     'title': 'Video %s' % video_id,
1177                     'formats': formats,
1178                 }
1179
1180         class PlaylistIE(InfoExtractor):
1181             _VALID_URL = r'playlist:'
1182
1183             def _entries(self):
1184                 for n in range(3):
1185                     video_id = str(n)
1186                     yield {
1187                         '_type': 'url_transparent',
1188                         'ie_key': VideoIE.ie_key(),
1189                         'id': video_id,
1190                         'url': 'video:%s' % video_id,
1191                         'title': 'Video Transparent %s' % video_id,
1192                     }
1193
1194             def _real_extract(self, url):
1195                 return self.playlist_result(self._entries())
1196
1197         ydl.add_info_extractor(VideoIE(ydl))
1198         ydl.add_info_extractor(PlaylistIE(ydl))
1199         info = ydl.extract_info('playlist:')
1200         entries = info['entries']
1201         self.assertEqual(len(entries), 3)
1202         self.assertTrue(entries[0] is None)
1203         self.assertTrue(entries[1] is None)
1204         self.assertEqual(len(ydl.downloaded_info_dicts), 1)
1205         downloaded = ydl.downloaded_info_dicts[0]
1206         entries[2].pop('requested_downloads', None)
1207         self.assertEqual(entries[2], downloaded)
1208         self.assertEqual(downloaded['url'], TEST_URL)
1209         self.assertEqual(downloaded['title'], 'Video Transparent 2')
1210         self.assertEqual(downloaded['id'], '2')
1211         self.assertEqual(downloaded['extractor'], 'Video')
1212         self.assertEqual(downloaded['extractor_key'], 'Video')
1213
1214
1215 if __name__ == '__main__':
1216     unittest.main()