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 import urllib.error
  12
  13 from test.helper import FakeYDL, assertRegexpMatches
  14 from yt_dlp import YoutubeDL
  15 from yt_dlp.compat import compat_os_name, compat_str
  16 from yt_dlp.extractor import YoutubeIE
  17 from yt_dlp.extractor.common import InfoExtractor
  18 from yt_dlp.postprocessor.common import PostProcessor
  19 from yt_dlp.utils import (
  20     ExtractorError,
  21     LazyList,
  22     OnDemandPagedList,
  23     int_or_none,
  24     match_filter_func,
  25 )
  26
  27 TEST_URL = 'http://localhost/sample.mp4'
  28
  29
  30 class YDL(FakeYDL):
  31     def __init__(self, *args, **kwargs):
  32         super().__init__(*args, **kwargs)
  33         self.downloaded_info_dicts = []
  34         self.msgs = []
  35
  36     def process_info(self, info_dict):
  37         self.downloaded_info_dicts.append(info_dict.copy())
  38
  39     def to_screen(self, msg, *args, **kwargs):
  40         self.msgs.append(msg)
  41
  42     def dl(self, *args, **kwargs):
  43         assert False, 'Downloader must not be invoked for test_YoutubeDL'
  44
  45
  46 def _make_result(formats, **kwargs):
  47     res = {
  48         'formats': formats,
  49         'id': 'testid',
  50         'title': 'testttitle',
  51         'extractor': 'testex',
  52         'extractor_key': 'TestEx',
  53         'webpage_url': 'http://example.com/watch?v=shenanigans',
  54     }
  55     res.update(**kwargs)
  56     return res
  57
  58
  59 class TestFormatSelection(unittest.TestCase):
  60     def test_prefer_free_formats(self):
  61         # Same resolution => download webm
  62         ydl = YDL()
  63         ydl.params['prefer_free_formats'] = True
  64         formats = [
  65             {'ext': 'webm', 'height': 460, 'url': TEST_URL},
  66             {'ext': 'mp4', 'height': 460, 'url': TEST_URL},
  67         ]
  68         info_dict = _make_result(formats)
  69         yie = YoutubeIE(ydl)
  70         yie._sort_formats(info_dict['formats'])
  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         yie = YoutubeIE(ydl)
  84         yie._sort_formats(info_dict['formats'])
  85         ydl.process_ie_result(info_dict)
  86         downloaded = ydl.downloaded_info_dicts[0]
  87         self.assertEqual(downloaded['ext'], 'mp4')
  88
  89         # No prefer_free_formats => prefer mp4 and webm
  90         ydl = YDL()
  91         ydl.params['prefer_free_formats'] = False
  92         formats = [
  93             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
  94             {'ext': 'mp4', 'height': 720, 'url': TEST_URL},
  95             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
  96         ]
  97         info_dict['formats'] = formats
  98         yie = YoutubeIE(ydl)
  99         yie._sort_formats(info_dict['formats'])
 100         ydl.process_ie_result(info_dict)
 101         downloaded = ydl.downloaded_info_dicts[0]
 102         self.assertEqual(downloaded['ext'], 'mp4')
 103
 104         ydl = YDL()
 105         ydl.params['prefer_free_formats'] = False
 106         formats = [
 107             {'ext': 'flv', 'height': 720, 'url': TEST_URL},
 108             {'ext': 'webm', 'height': 720, 'url': TEST_URL},
 109         ]
 110         info_dict['formats'] = formats
 111         yie = YoutubeIE(ydl)
 112         yie._sort_formats(info_dict['formats'])
 113         ydl.process_ie_result(info_dict)
 114         downloaded = ydl.downloaded_info_dicts[0]
 115         self.assertEqual(downloaded['ext'], 'webm')
 116
 117     def test_format_selection(self):
 118         formats = [
 119             {'format_id': '35', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
 120             {'format_id': 'example-with-dashes', 'ext': 'webm', 'preference': 1, 'url': TEST_URL},
 121             {'format_id': '45', 'ext': 'webm', 'preference': 2, 'url': TEST_URL},
 122             {'format_id': '47', 'ext': 'webm', 'preference': 3, 'url': TEST_URL},
 123             {'format_id': '2', 'ext': 'flv', 'preference': 4, 'url': TEST_URL},
 124         ]
 125         info_dict = _make_result(formats)
 126
 127         def test(inp, *expected, multi=False):
 128             ydl = YDL({
 129                 'format': inp,
 130                 'allow_multiple_video_streams': multi,
 131                 'allow_multiple_audio_streams': multi,
 132             })
 133             ydl.process_ie_result(info_dict.copy())
 134             downloaded = map(lambda x: x['format_id'], ydl.downloaded_info_dicts)
 135             self.assertEqual(list(downloaded), list(expected))
 136
 137         test('20/47', '47')
 138         test('20/71/worst', '35')
 139         test(None, '2')
 140         test('webm/mp4', '47')
 141         test('3gp/40/mp4', '35')
 142         test('example-with-dashes', 'example-with-dashes')
 143         test('all', '2', '47', '45', 'example-with-dashes', '35')
 144         test('mergeall', '2+47+45+example-with-dashes+35', multi=True)
 145
 146     def test_format_selection_audio(self):
 147         formats = [
 148             {'format_id': 'audio-low', 'ext': 'webm', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 149             {'format_id': 'audio-mid', 'ext': 'webm', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 150             {'format_id': 'audio-high', 'ext': 'flv', 'preference': 3, 'vcodec': 'none', 'url': TEST_URL},
 151             {'format_id': 'vid', 'ext': 'mp4', 'preference': 4, 'url': TEST_URL},
 152         ]
 153         info_dict = _make_result(formats)
 154
 155         ydl = YDL({'format': 'bestaudio'})
 156         ydl.process_ie_result(info_dict.copy())
 157         downloaded = ydl.downloaded_info_dicts[0]
 158         self.assertEqual(downloaded['format_id'], 'audio-high')
 159
 160         ydl = YDL({'format': 'worstaudio'})
 161         ydl.process_ie_result(info_dict.copy())
 162         downloaded = ydl.downloaded_info_dicts[0]
 163         self.assertEqual(downloaded['format_id'], 'audio-low')
 164
 165         formats = [
 166             {'format_id': 'vid-low', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
 167             {'format_id': 'vid-high', 'ext': 'mp4', 'preference': 2, 'url': TEST_URL},
 168         ]
 169         info_dict = _make_result(formats)
 170
 171         ydl = YDL({'format': 'bestaudio/worstaudio/best'})
 172         ydl.process_ie_result(info_dict.copy())
 173         downloaded = ydl.downloaded_info_dicts[0]
 174         self.assertEqual(downloaded['format_id'], 'vid-high')
 175
 176     def test_format_selection_audio_exts(self):
 177         formats = [
 178             {'format_id': 'mp3-64', 'ext': 'mp3', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 179             {'format_id': 'ogg-64', 'ext': 'ogg', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 180             {'format_id': 'aac-64', 'ext': 'aac', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
 181             {'format_id': 'mp3-32', 'ext': 'mp3', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 182             {'format_id': 'aac-32', 'ext': 'aac', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
 183         ]
 184
 185         info_dict = _make_result(formats)
 186         ydl = YDL({'format': 'best'})
 187         ie = YoutubeIE(ydl)
 188         ie._sort_formats(info_dict['formats'])
 189         ydl.process_ie_result(copy.deepcopy(info_dict))
 190         downloaded = ydl.downloaded_info_dicts[0]
 191         self.assertEqual(downloaded['format_id'], 'aac-64')
 192
 193         ydl = YDL({'format': 'mp3'})
 194         ie = YoutubeIE(ydl)
 195         ie._sort_formats(info_dict['formats'])
 196         ydl.process_ie_result(copy.deepcopy(info_dict))
 197         downloaded = ydl.downloaded_info_dicts[0]
 198         self.assertEqual(downloaded['format_id'], 'mp3-64')
 199
 200         ydl = YDL({'prefer_free_formats': True})
 201         ie = YoutubeIE(ydl)
 202         ie._sort_formats(info_dict['formats'])
 203         ydl.process_ie_result(copy.deepcopy(info_dict))
 204         downloaded = ydl.downloaded_info_dicts[0]
 205         self.assertEqual(downloaded['format_id'], 'ogg-64')
 206
 207     def test_format_selection_video(self):
 208         formats = [
 209             {'format_id': 'dash-video-low', 'ext': 'mp4', 'preference': 1, 'acodec': 'none', 'url': TEST_URL},
 210             {'format_id': 'dash-video-high', 'ext': 'mp4', 'preference': 2, 'acodec': 'none', 'url': TEST_URL},
 211             {'format_id': 'vid', 'ext': 'mp4', 'preference': 3, 'url': TEST_URL},
 212         ]
 213         info_dict = _make_result(formats)
 214
 215         ydl = YDL({'format': 'bestvideo'})
 216         ydl.process_ie_result(info_dict.copy())
 217         downloaded = ydl.downloaded_info_dicts[0]
 218         self.assertEqual(downloaded['format_id'], 'dash-video-high')
 219
 220         ydl = YDL({'format': 'worstvideo'})
 221         ydl.process_ie_result(info_dict.copy())
 222         downloaded = ydl.downloaded_info_dicts[0]
 223         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 224
 225         ydl = YDL({'format': 'bestvideo[format_id^=dash][format_id$=low]'})
 226         ydl.process_ie_result(info_dict.copy())
 227         downloaded = ydl.downloaded_info_dicts[0]
 228         self.assertEqual(downloaded['format_id'], 'dash-video-low')
 229
 230         formats = [
 231             {'format_id': 'vid-vcodec-dot', 'ext': 'mp4', 'preference': 1, 'vcodec': 'avc1.123456', 'acodec': 'none', 'url': TEST_URL},
 232         ]
 233         info_dict = _make_result(formats)
 234
 235         ydl = YDL({'format': 'bestvideo[vcodec=avc1.123456]'})
 236         ydl.process_ie_result(info_dict.copy())
 237         downloaded = ydl.downloaded_info_dicts[0]
 238         self.assertEqual(downloaded['format_id'], 'vid-vcodec-dot')
 239
 240     def test_format_selection_string_ops(self):
 241         formats = [
 242             {'format_id': 'abc-cba', 'ext': 'mp4', 'url': TEST_URL},
 243             {'format_id': 'zxc-cxz', 'ext': 'webm', 'url': TEST_URL},
 244         ]
 245         info_dict = _make_result(formats)
 246
 247         # equals (=)
 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'], 'abc-cba')
 252
 253         # does not equal (!=)
 254         ydl = YDL({'format': '[format_id!=abc-cba]'})
 255         ydl.process_ie_result(info_dict.copy())
 256         downloaded = ydl.downloaded_info_dicts[0]
 257         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 258
 259         ydl = YDL({'format': '[format_id!=abc-cba][format_id!=zxc-cxz]'})
 260         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 261
 262         # starts 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'], 'abc-cba')
 267
 268         # does not start with (!^=)
 269         ydl = YDL({'format': '[format_id!^=abc]'})
 270         ydl.process_ie_result(info_dict.copy())
 271         downloaded = ydl.downloaded_info_dicts[0]
 272         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 273
 274         ydl = YDL({'format': '[format_id!^=abc][format_id!^=zxc]'})
 275         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 276
 277         # ends with ($=)
 278         ydl = YDL({'format': '[format_id$=cba]'})
 279         ydl.process_ie_result(info_dict.copy())
 280         downloaded = ydl.downloaded_info_dicts[0]
 281         self.assertEqual(downloaded['format_id'], 'abc-cba')
 282
 283         # does not end with (!$=)
 284         ydl = YDL({'format': '[format_id!$=cba]'})
 285         ydl.process_ie_result(info_dict.copy())
 286         downloaded = ydl.downloaded_info_dicts[0]
 287         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 288
 289         ydl = YDL({'format': '[format_id!$=cba][format_id!$=cxz]'})
 290         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 291
 292         # contains (*=)
 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'], 'abc-cba')
 297
 298         # does not contain (!*=)
 299         ydl = YDL({'format': '[format_id!*=bc-cb]'})
 300         ydl.process_ie_result(info_dict.copy())
 301         downloaded = ydl.downloaded_info_dicts[0]
 302         self.assertEqual(downloaded['format_id'], 'zxc-cxz')
 303
 304         ydl = YDL({'format': '[format_id!*=abc][format_id!*=zxc]'})
 305         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 306
 307         ydl = YDL({'format': '[format_id!*=-]'})
 308         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 309
 310     def test_youtube_format_selection(self):
 311         # FIXME: Rewrite in accordance with the new format sorting options
 312         return
 313
 314         order = [
 315             '38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '17', '36', '13',
 316             # Apple HTTP Live Streaming
 317             '96', '95', '94', '93', '92', '132', '151',
 318             # 3D
 319             '85', '84', '102', '83', '101', '82', '100',
 320             # Dash video
 321             '137', '248', '136', '247', '135', '246',
 322             '245', '244', '134', '243', '133', '242', '160',
 323             # Dash audio
 324             '141', '172', '140', '171', '139',
 325         ]
 326
 327         def format_info(f_id):
 328             info = YoutubeIE._formats[f_id].copy()
 329
 330             # XXX: In real cases InfoExtractor._parse_mpd_formats() fills up 'acodec'
 331             # and 'vcodec', while in tests such information is incomplete since
 332             # commit a6c2c24479e5f4827ceb06f64d855329c0a6f593
 333             # test_YoutubeDL.test_youtube_format_selection is broken without
 334             # this fix
 335             if 'acodec' in info and 'vcodec' not in info:
 336                 info['vcodec'] = 'none'
 337             elif 'vcodec' in info and 'acodec' not in info:
 338                 info['acodec'] = 'none'
 339
 340             info['format_id'] = f_id
 341             info['url'] = 'url:' + f_id
 342             return info
 343         formats_order = [format_info(f_id) for f_id in order]
 344
 345         info_dict = _make_result(list(formats_order), extractor='youtube')
 346         ydl = YDL({'format': 'bestvideo+bestaudio'})
 347         yie = YoutubeIE(ydl)
 348         yie._sort_formats(info_dict['formats'])
 349         ydl.process_ie_result(info_dict)
 350         downloaded = ydl.downloaded_info_dicts[0]
 351         self.assertEqual(downloaded['format_id'], '248+172')
 352         self.assertEqual(downloaded['ext'], 'mp4')
 353
 354         info_dict = _make_result(list(formats_order), extractor='youtube')
 355         ydl = YDL({'format': 'bestvideo[height>=999999]+bestaudio/best'})
 356         yie = YoutubeIE(ydl)
 357         yie._sort_formats(info_dict['formats'])
 358         ydl.process_ie_result(info_dict)
 359         downloaded = ydl.downloaded_info_dicts[0]
 360         self.assertEqual(downloaded['format_id'], '38')
 361
 362         info_dict = _make_result(list(formats_order), extractor='youtube')
 363         ydl = YDL({'format': 'bestvideo/best,bestaudio'})
 364         yie = YoutubeIE(ydl)
 365         yie._sort_formats(info_dict['formats'])
 366         ydl.process_ie_result(info_dict)
 367         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 368         self.assertEqual(downloaded_ids, ['137', '141'])
 369
 370         info_dict = _make_result(list(formats_order), extractor='youtube')
 371         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])+bestaudio'})
 372         yie = YoutubeIE(ydl)
 373         yie._sort_formats(info_dict['formats'])
 374         ydl.process_ie_result(info_dict)
 375         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 376         self.assertEqual(downloaded_ids, ['137+141', '248+141'])
 377
 378         info_dict = _make_result(list(formats_order), extractor='youtube')
 379         ydl = YDL({'format': '(bestvideo[ext=mp4],bestvideo[ext=webm])[height<=720]+bestaudio'})
 380         yie = YoutubeIE(ydl)
 381         yie._sort_formats(info_dict['formats'])
 382         ydl.process_ie_result(info_dict)
 383         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 384         self.assertEqual(downloaded_ids, ['136+141', '247+141'])
 385
 386         info_dict = _make_result(list(formats_order), extractor='youtube')
 387         ydl = YDL({'format': '(bestvideo[ext=none]/bestvideo[ext=webm])+bestaudio'})
 388         yie = YoutubeIE(ydl)
 389         yie._sort_formats(info_dict['formats'])
 390         ydl.process_ie_result(info_dict)
 391         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 392         self.assertEqual(downloaded_ids, ['248+141'])
 393
 394         for f1, f2 in zip(formats_order, formats_order[1:]):
 395             info_dict = _make_result([f1, f2], extractor='youtube')
 396             ydl = YDL({'format': 'best/bestvideo'})
 397             yie = YoutubeIE(ydl)
 398             yie._sort_formats(info_dict['formats'])
 399             ydl.process_ie_result(info_dict)
 400             downloaded = ydl.downloaded_info_dicts[0]
 401             self.assertEqual(downloaded['format_id'], f1['format_id'])
 402
 403             info_dict = _make_result([f2, f1], extractor='youtube')
 404             ydl = YDL({'format': 'best/bestvideo'})
 405             yie = YoutubeIE(ydl)
 406             yie._sort_formats(info_dict['formats'])
 407             ydl.process_ie_result(info_dict)
 408             downloaded = ydl.downloaded_info_dicts[0]
 409             self.assertEqual(downloaded['format_id'], f1['format_id'])
 410
 411     def test_audio_only_extractor_format_selection(self):
 412         # For extractors with incomplete formats (all formats are audio-only or
 413         # video-only) best and worst should fallback to corresponding best/worst
 414         # video-only or audio-only formats (as per
 415         # https://github.com/ytdl-org/youtube-dl/pull/5556)
 416         formats = [
 417             {'format_id': 'low', 'ext': 'mp3', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
 418             {'format_id': 'high', 'ext': 'mp3', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
 419         ]
 420         info_dict = _make_result(formats)
 421
 422         ydl = YDL({'format': 'best'})
 423         ydl.process_ie_result(info_dict.copy())
 424         downloaded = ydl.downloaded_info_dicts[0]
 425         self.assertEqual(downloaded['format_id'], 'high')
 426
 427         ydl = YDL({'format': 'worst'})
 428         ydl.process_ie_result(info_dict.copy())
 429         downloaded = ydl.downloaded_info_dicts[0]
 430         self.assertEqual(downloaded['format_id'], 'low')
 431
 432     def test_format_not_available(self):
 433         formats = [
 434             {'format_id': 'regular', 'ext': 'mp4', 'height': 360, 'url': TEST_URL},
 435             {'format_id': 'video', 'ext': 'mp4', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
 436         ]
 437         info_dict = _make_result(formats)
 438
 439         # This must fail since complete video-audio format does not match filter
 440         # and extractor does not provide incomplete only formats (i.e. only
 441         # video-only or audio-only).
 442         ydl = YDL({'format': 'best[height>360]'})
 443         self.assertRaises(ExtractorError, ydl.process_ie_result, info_dict.copy())
 444
 445     def test_format_selection_issue_10083(self):
 446         # See https://github.com/ytdl-org/youtube-dl/issues/10083
 447         formats = [
 448             {'format_id': 'regular', 'height': 360, 'url': TEST_URL},
 449             {'format_id': 'video', 'height': 720, 'acodec': 'none', 'url': TEST_URL},
 450             {'format_id': 'audio', 'vcodec': 'none', 'url': TEST_URL},
 451         ]
 452         info_dict = _make_result(formats)
 453
 454         ydl = YDL({'format': 'best[height>360]/bestvideo[height>360]+bestaudio'})
 455         ydl.process_ie_result(info_dict.copy())
 456         self.assertEqual(ydl.downloaded_info_dicts[0]['format_id'], 'video+audio')
 457
 458     def test_invalid_format_specs(self):
 459         def assert_syntax_error(format_spec):
 460             self.assertRaises(SyntaxError, YDL, {'format': format_spec})
 461
 462         assert_syntax_error('bestvideo,,best')
 463         assert_syntax_error('+bestaudio')
 464         assert_syntax_error('bestvideo+')
 465         assert_syntax_error('/')
 466         assert_syntax_error('[720<height]')
 467
 468     def test_format_filtering(self):
 469         formats = [
 470             {'format_id': 'A', 'filesize': 500, 'width': 1000},
 471             {'format_id': 'B', 'filesize': 1000, 'width': 500},
 472             {'format_id': 'C', 'filesize': 1000, 'width': 400},
 473             {'format_id': 'D', 'filesize': 2000, 'width': 600},
 474             {'format_id': 'E', 'filesize': 3000},
 475             {'format_id': 'F'},
 476             {'format_id': 'G', 'filesize': 1000000},
 477         ]
 478         for f in formats:
 479             f['url'] = 'http://_/'
 480             f['ext'] = 'unknown'
 481         info_dict = _make_result(formats)
 482
 483         ydl = YDL({'format': 'best[filesize<3000]'})
 484         ydl.process_ie_result(info_dict)
 485         downloaded = ydl.downloaded_info_dicts[0]
 486         self.assertEqual(downloaded['format_id'], 'D')
 487
 488         ydl = YDL({'format': 'best[filesize<=3000]'})
 489         ydl.process_ie_result(info_dict)
 490         downloaded = ydl.downloaded_info_dicts[0]
 491         self.assertEqual(downloaded['format_id'], 'E')
 492
 493         ydl = YDL({'format': 'best[filesize <= ? 3000]'})
 494         ydl.process_ie_result(info_dict)
 495         downloaded = ydl.downloaded_info_dicts[0]
 496         self.assertEqual(downloaded['format_id'], 'F')
 497
 498         ydl = YDL({'format': 'best [filesize = 1000] [width>450]'})
 499         ydl.process_ie_result(info_dict)
 500         downloaded = ydl.downloaded_info_dicts[0]
 501         self.assertEqual(downloaded['format_id'], 'B')
 502
 503         ydl = YDL({'format': 'best [filesize = 1000] [width!=450]'})
 504         ydl.process_ie_result(info_dict)
 505         downloaded = ydl.downloaded_info_dicts[0]
 506         self.assertEqual(downloaded['format_id'], 'C')
 507
 508         ydl = YDL({'format': '[filesize>?1]'})
 509         ydl.process_ie_result(info_dict)
 510         downloaded = ydl.downloaded_info_dicts[0]
 511         self.assertEqual(downloaded['format_id'], 'G')
 512
 513         ydl = YDL({'format': '[filesize<1M]'})
 514         ydl.process_ie_result(info_dict)
 515         downloaded = ydl.downloaded_info_dicts[0]
 516         self.assertEqual(downloaded['format_id'], 'E')
 517
 518         ydl = YDL({'format': '[filesize<1MiB]'})
 519         ydl.process_ie_result(info_dict)
 520         downloaded = ydl.downloaded_info_dicts[0]
 521         self.assertEqual(downloaded['format_id'], 'G')
 522
 523         ydl = YDL({'format': 'all[width>=400][width<=600]'})
 524         ydl.process_ie_result(info_dict)
 525         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
 526         self.assertEqual(downloaded_ids, ['D', 'C', 'B'])
 527
 528         ydl = YDL({'format': 'best[height<40]'})
 529         try:
 530             ydl.process_ie_result(info_dict)
 531         except ExtractorError:
 532             pass
 533         self.assertEqual(ydl.downloaded_info_dicts, [])
 534
 535     def test_default_format_spec(self):
 536         ydl = YDL({'simulate': True})
 537         self.assertEqual(ydl._default_format_spec({}), 'bestvideo*+bestaudio/best')
 538
 539         ydl = YDL({})
 540         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
 541
 542         ydl = YDL({'simulate': True})
 543         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'bestvideo*+bestaudio/best')
 544
 545         ydl = YDL({'outtmpl': '-'})
 546         self.assertEqual(ydl._default_format_spec({}), 'best/bestvideo+bestaudio')
 547
 548         ydl = YDL({})
 549         self.assertEqual(ydl._default_format_spec({}, download=False), 'bestvideo*+bestaudio/best')
 550         self.assertEqual(ydl._default_format_spec({'is_live': True}), 'best/bestvideo+bestaudio')
 551
 552
 553 class TestYoutubeDL(unittest.TestCase):
 554     def test_subtitles(self):
 555         def s_formats(lang, autocaption=False):
 556             return [{
 557                 'ext': ext,
 558                 'url': f'http://localhost/video.{lang}.{ext}',
 559                 '_auto': autocaption,
 560             } for ext in ['vtt', 'srt', 'ass']]
 561         subtitles = {l: s_formats(l) for l in ['en', 'fr', 'es']}
 562         auto_captions = {l: s_formats(l, True) for l in ['it', 'pt', 'es']}
 563         info_dict = {
 564             'id': 'test',
 565             'title': 'Test',
 566             'url': 'http://localhost/video.mp4',
 567             'subtitles': subtitles,
 568             'automatic_captions': auto_captions,
 569             'extractor': 'TEST',
 570             'webpage_url': 'http://example.com/watch?v=shenanigans',
 571         }
 572
 573         def get_info(params={}):
 574             params.setdefault('simulate', True)
 575             ydl = YDL(params)
 576             ydl.report_warning = lambda *args, **kargs: None
 577             return ydl.process_video_result(info_dict, download=False)
 578
 579         result = get_info()
 580         self.assertFalse(result.get('requested_subtitles'))
 581         self.assertEqual(result['subtitles'], subtitles)
 582         self.assertEqual(result['automatic_captions'], auto_captions)
 583
 584         result = get_info({'writesubtitles': True})
 585         subs = result['requested_subtitles']
 586         self.assertTrue(subs)
 587         self.assertEqual(set(subs.keys()), {'en'})
 588         self.assertTrue(subs['en'].get('data') is None)
 589         self.assertEqual(subs['en']['ext'], 'ass')
 590
 591         result = get_info({'writesubtitles': True, 'subtitlesformat': 'foo/srt'})
 592         subs = result['requested_subtitles']
 593         self.assertEqual(subs['en']['ext'], 'srt')
 594
 595         result = get_info({'writesubtitles': True, 'subtitleslangs': ['es', 'fr', 'it']})
 596         subs = result['requested_subtitles']
 597         self.assertTrue(subs)
 598         self.assertEqual(set(subs.keys()), {'es', 'fr'})
 599
 600         result = get_info({'writesubtitles': True, 'subtitleslangs': ['all', '-en']})
 601         subs = result['requested_subtitles']
 602         self.assertTrue(subs)
 603         self.assertEqual(set(subs.keys()), {'es', 'fr'})
 604
 605         result = get_info({'writesubtitles': True, 'subtitleslangs': ['en', 'fr', '-en']})
 606         subs = result['requested_subtitles']
 607         self.assertTrue(subs)
 608         self.assertEqual(set(subs.keys()), {'fr'})
 609
 610         result = get_info({'writesubtitles': True, 'subtitleslangs': ['-en', 'en']})
 611         subs = result['requested_subtitles']
 612         self.assertTrue(subs)
 613         self.assertEqual(set(subs.keys()), {'en'})
 614
 615         result = get_info({'writesubtitles': True, 'subtitleslangs': ['e.+']})
 616         subs = result['requested_subtitles']
 617         self.assertTrue(subs)
 618         self.assertEqual(set(subs.keys()), {'es', 'en'})
 619
 620         result = get_info({'writesubtitles': True, 'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 621         subs = result['requested_subtitles']
 622         self.assertTrue(subs)
 623         self.assertEqual(set(subs.keys()), {'es', 'pt'})
 624         self.assertFalse(subs['es']['_auto'])
 625         self.assertTrue(subs['pt']['_auto'])
 626
 627         result = get_info({'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
 628         subs = result['requested_subtitles']
 629         self.assertTrue(subs)
 630         self.assertEqual(set(subs.keys()), {'es', 'pt'})
 631         self.assertTrue(subs['es']['_auto'])
 632         self.assertTrue(subs['pt']['_auto'])
 633
 634     def test_add_extra_info(self):
 635         test_dict = {
 636             'extractor': 'Foo',
 637         }
 638         extra_info = {
 639             'extractor': 'Bar',
 640             'playlist': 'funny videos',
 641         }
 642         YDL.add_extra_info(test_dict, extra_info)
 643         self.assertEqual(test_dict['extractor'], 'Foo')
 644         self.assertEqual(test_dict['playlist'], 'funny videos')
 645
 646     outtmpl_info = {
 647         'id': '1234',
 648         'ext': 'mp4',
 649         'width': None,
 650         'height': 1080,
 651         'filesize': 1024,
 652         'title1': '$PATH',
 653         'title2': '%PATH%',
 654         'title3': 'foo/bar\\test',
 655         'title4': 'foo "bar" test',
 656         'title5': 'áéí 𝐀',
 657         'timestamp': 1618488000,
 658         'duration': 100000,
 659         'playlist_index': 1,
 660         'playlist_autonumber': 2,
 661         '__last_playlist_index': 100,
 662         'n_entries': 10,
 663         'formats': [{'id': 'id 1'}, {'id': 'id 2'}, {'id': 'id 3'}]
 664     }
 665
 666     def test_prepare_outtmpl_and_filename(self):
 667         def test(tmpl, expected, *, info=None, **params):
 668             params['outtmpl'] = tmpl
 669             ydl = YoutubeDL(params)
 670             ydl._num_downloads = 1
 671             self.assertEqual(ydl.validate_outtmpl(tmpl), None)
 672
 673             out = ydl.evaluate_outtmpl(tmpl, info or self.outtmpl_info)
 674             fname = ydl.prepare_filename(info or self.outtmpl_info)
 675
 676             if not isinstance(expected, (list, tuple)):
 677                 expected = (expected, expected)
 678             for (name, got), expect in zip((('outtmpl', out), ('filename', fname)), expected):
 679                 if callable(expect):
 680                     self.assertTrue(expect(got), f'Wrong {name} from {tmpl}')
 681                 else:
 682                     self.assertEqual(got, expect, f'Wrong {name} from {tmpl}')
 683
 684         # Side-effects
 685         original_infodict = dict(self.outtmpl_info)
 686         test('foo.bar', 'foo.bar')
 687         original_infodict['epoch'] = self.outtmpl_info.get('epoch')
 688         self.assertTrue(isinstance(original_infodict['epoch'], int))
 689         test('%(epoch)d', int_or_none)
 690         self.assertEqual(original_infodict, self.outtmpl_info)
 691
 692         # Auto-generated fields
 693         test('%(id)s.%(ext)s', '1234.mp4')
 694         test('%(duration_string)s', ('27:46:40', '27-46-40'))
 695         test('%(resolution)s', '1080p')
 696         test('%(playlist_index)s', '001')
 697         test('%(playlist_autonumber)s', '02')
 698         test('%(autonumber)s', '00001')
 699         test('%(autonumber+2)03d', '005', autonumber_start=3)
 700         test('%(autonumber)s', '001', autonumber_size=3)
 701
 702         # Escaping %
 703         test('%', '%')
 704         test('%%', '%')
 705         test('%%%%', '%%')
 706         test('%s', '%s')
 707         test('%%%s', '%%s')
 708         test('%d', '%d')
 709         test('%abc%', '%abc%')
 710         test('%%(width)06d.%(ext)s', '%(width)06d.mp4')
 711         test('%%%(height)s', '%1080')
 712         test('%(width)06d.%(ext)s', 'NA.mp4')
 713         test('%(width)06d.%%(ext)s', 'NA.%(ext)s')
 714         test('%%(width)06d.%(ext)s', '%(width)06d.mp4')
 715
 716         # ID sanitization
 717         test('%(id)s', '_abcd', info={'id': '_abcd'})
 718         test('%(some_id)s', '_abcd', info={'some_id': '_abcd'})
 719         test('%(formats.0.id)s', '_abcd', info={'formats': [{'id': '_abcd'}]})
 720         test('%(id)s', '-abcd', info={'id': '-abcd'})
 721         test('%(id)s', '.abcd', info={'id': '.abcd'})
 722         test('%(id)s', 'ab__cd', info={'id': 'ab__cd'})
 723         test('%(id)s', ('ab:cd', 'ab -cd'), info={'id': 'ab:cd'})
 724         test('%(id.0)s', '-', info={'id': '--'})
 725
 726         # Invalid templates
 727         self.assertTrue(isinstance(YoutubeDL.validate_outtmpl('%(title)'), ValueError))
 728         test('%(invalid@tmpl|def)s', 'none', outtmpl_na_placeholder='none')
 729         test('%(..)s', 'NA')
 730
 731         # Entire info_dict
 732         def expect_same_infodict(out):
 733             got_dict = json.loads(out)
 734             for info_field, expected in self.outtmpl_info.items():
 735                 self.assertEqual(got_dict.get(info_field), expected, info_field)
 736             return True
 737
 738         test('%()j', (expect_same_infodict, str))
 739
 740         # NA placeholder
 741         NA_TEST_OUTTMPL = '%(uploader_date)s-%(width)d-%(x|def)s-%(id)s.%(ext)s'
 742         test(NA_TEST_OUTTMPL, 'NA-NA-def-1234.mp4')
 743         test(NA_TEST_OUTTMPL, 'none-none-def-1234.mp4', outtmpl_na_placeholder='none')
 744         test(NA_TEST_OUTTMPL, '--def-1234.mp4', outtmpl_na_placeholder='')
 745         test('%(non_existent.0)s', 'NA')
 746
 747         # String formatting
 748         FMT_TEST_OUTTMPL = '%%(height)%s.%%(ext)s'
 749         test(FMT_TEST_OUTTMPL % 's', '1080.mp4')
 750         test(FMT_TEST_OUTTMPL % 'd', '1080.mp4')
 751         test(FMT_TEST_OUTTMPL % '6d', '  1080.mp4')
 752         test(FMT_TEST_OUTTMPL % '-6d', '1080  .mp4')
 753         test(FMT_TEST_OUTTMPL % '06d', '001080.mp4')
 754         test(FMT_TEST_OUTTMPL % ' 06d', ' 01080.mp4')
 755         test(FMT_TEST_OUTTMPL % '   06d', ' 01080.mp4')
 756         test(FMT_TEST_OUTTMPL % '0 6d', ' 01080.mp4')
 757         test(FMT_TEST_OUTTMPL % '0   6d', ' 01080.mp4')
 758         test(FMT_TEST_OUTTMPL % '   0   6d', ' 01080.mp4')
 759
 760         # Type casting
 761         test('%(id)d', '1234')
 762         test('%(height)c', '1')
 763         test('%(ext)c', 'm')
 764         test('%(id)d %(id)r', "1234 '1234'")
 765         test('%(id)r %(height)r', "'1234' 1080")
 766         test('%(ext)s-%(ext|def)d', 'mp4-def')
 767         test('%(width|0)04d', '0000')
 768         test('a%(width|)d', 'a', outtmpl_na_placeholder='none')
 769
 770         FORMATS = self.outtmpl_info['formats']
 771         sanitize = lambda x: x.replace(':', ' -').replace('"', "'").replace('\n', ' ')
 772
 773         # Custom type casting
 774         test('%(formats.:.id)l', 'id 1, id 2, id 3')
 775         test('%(formats.:.id)#l', ('id 1\nid 2\nid 3', 'id 1 id 2 id 3'))
 776         test('%(ext)l', 'mp4')
 777         test('%(formats.:.id) 18l', '  id 1, id 2, id 3')
 778         test('%(formats)j', (json.dumps(FORMATS), sanitize(json.dumps(FORMATS))))
 779         test('%(formats)#j', (json.dumps(FORMATS, indent=4), sanitize(json.dumps(FORMATS, indent=4))))
 780         test('%(title5).3B', 'á')
 781         test('%(title5)U', 'áéí 𝐀')
 782         test('%(title5)#U', 'a\u0301e\u0301i\u0301 𝐀')
 783         test('%(title5)+U', 'áéí A')
 784         test('%(title5)+#U', 'a\u0301e\u0301i\u0301 A')
 785         test('%(height)D', '1k')
 786         test('%(filesize)#D', '1Ki')
 787         test('%(height)5.2D', ' 1.08k')
 788         test('%(title4)#S', 'foo_bar_test')
 789         test('%(title4).10S', ('foo \'bar\' ', 'foo \'bar\'' + ('#' if compat_os_name == 'nt' else ' ')))
 790         if compat_os_name == 'nt':
 791             test('%(title4)q', ('"foo \\"bar\\" test"', "'foo _'bar_' test'"))
 792             test('%(formats.:.id)#q', ('"id 1" "id 2" "id 3"', "'id 1' 'id 2' 'id 3'"))
 793             test('%(formats.0.id)#q', ('"id 1"', "'id 1'"))
 794         else:
 795             test('%(title4)q', ('\'foo "bar" test\'', "'foo 'bar' test'"))
 796             test('%(formats.:.id)#q', "'id 1' 'id 2' 'id 3'")
 797             test('%(formats.0.id)#q', "'id 1'")
 798
 799         # Internal formatting
 800         test('%(timestamp-1000>%H-%M-%S)s', '11-43-20')
 801         test('%(title|%)s %(title|%%)s', '% %%')
 802         test('%(id+1-height+3)05d', '00158')
 803         test('%(width+100)05d', 'NA')
 804         test('%(formats.0) 15s', ('% 15s' % FORMATS[0], '% 15s' % sanitize(str(FORMATS[0]))))
 805         test('%(formats.0)r', (repr(FORMATS[0]), sanitize(repr(FORMATS[0]))))
 806         test('%(height.0)03d', '001')
 807         test('%(-height.0)04d', '-001')
 808         test('%(formats.-1.id)s', FORMATS[-1]['id'])
 809         test('%(formats.0.id.-1)d', FORMATS[0]['id'][-1])
 810         test('%(formats.3)s', 'NA')
 811         test('%(formats.:2:-1)r', repr(FORMATS[:2:-1]))
 812         test('%(formats.0.id.-1+id)f', '1235.000000')
 813         test('%(formats.0.id.-1+formats.1.id.-1)d', '3')
 814
 815         # Alternates
 816         test('%(title,id)s', '1234')
 817         test('%(width-100,height+20|def)d', '1100')
 818         test('%(width-100,height+width|def)s', 'def')
 819         test('%(timestamp-x>%H\\,%M\\,%S,timestamp>%H\\,%M\\,%S)s', '12,00,00')
 820
 821         # Replacement
 822         test('%(id&foo)s.bar', 'foo.bar')
 823         test('%(title&foo)s.bar', 'NA.bar')
 824         test('%(title&foo|baz)s.bar', 'baz.bar')
 825         test('%(x,id&foo|baz)s.bar', 'foo.bar')
 826         test('%(x,title&foo|baz)s.bar', 'baz.bar')
 827
 828         # Laziness
 829         def gen():
 830             yield from range(5)
 831             raise self.assertTrue(False, 'LazyList should not be evaluated till here')
 832         test('%(key.4)s', '4', info={'key': LazyList(gen())})
 833
 834         # Empty filename
 835         test('%(foo|)s-%(bar|)s.%(ext)s', '-.mp4')
 836         # test('%(foo|)s.%(ext)s', ('.mp4', '_.mp4'))  # fixme
 837         # test('%(foo|)s', ('', '_'))  # fixme
 838
 839         # Environment variable expansion for prepare_filename
 840         os.environ['__yt_dlp_var'] = 'expanded'
 841         envvar = '%__yt_dlp_var%' if compat_os_name == 'nt' else '$__yt_dlp_var'
 842         test(envvar, (envvar, 'expanded'))
 843         if compat_os_name == 'nt':
 844             test('%s%', ('%s%', '%s%'))
 845             os.environ['s'] = 'expanded'
 846             test('%s%', ('%s%', 'expanded'))  # %s% should be expanded before escaping %s
 847             os.environ['(test)s'] = 'expanded'
 848             test('%(test)s%', ('NA%', 'expanded'))  # Environment should take priority over template
 849
 850         # Path expansion and escaping
 851         test('Hello %(title1)s', 'Hello $PATH')
 852         test('Hello %(title2)s', 'Hello %PATH%')
 853         test('%(title3)s', ('foo/bar\\test', 'foo_bar_test'))
 854         test('folder/%(title3)s', ('folder/foo/bar\\test', 'folder%sfoo_bar_test' % os.path.sep))
 855
 856     def test_format_note(self):
 857         ydl = YoutubeDL()
 858         self.assertEqual(ydl._format_note({}), '')
 859         assertRegexpMatches(self, ydl._format_note({
 860             'vbr': 10,
 861         }), r'^\s*10k$')
 862         assertRegexpMatches(self, ydl._format_note({
 863             'fps': 30,
 864         }), r'^30fps$')
 865
 866     def test_postprocessors(self):
 867         filename = 'post-processor-testfile.mp4'
 868         audiofile = filename + '.mp3'
 869
 870         class SimplePP(PostProcessor):
 871             def run(self, info):
 872                 with open(audiofile, 'wt') as f:
 873                     f.write('EXAMPLE')
 874                 return [info['filepath']], info
 875
 876         def run_pp(params, PP):
 877             with open(filename, 'wt') as f:
 878                 f.write('EXAMPLE')
 879             ydl = YoutubeDL(params)
 880             ydl.add_post_processor(PP())
 881             ydl.post_process(filename, {'filepath': filename})
 882
 883         run_pp({'keepvideo': True}, SimplePP)
 884         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 885         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 886         os.unlink(filename)
 887         os.unlink(audiofile)
 888
 889         run_pp({'keepvideo': False}, SimplePP)
 890         self.assertFalse(os.path.exists(filename), '%s exists' % filename)
 891         self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
 892         os.unlink(audiofile)
 893
 894         class ModifierPP(PostProcessor):
 895             def run(self, info):
 896                 with open(info['filepath'], 'wt') as f:
 897                     f.write('MODIFIED')
 898                 return [], info
 899
 900         run_pp({'keepvideo': False}, ModifierPP)
 901         self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
 902         os.unlink(filename)
 903
 904     def test_match_filter(self):
 905         first = {
 906             'id': '1',
 907             'url': TEST_URL,
 908             'title': 'one',
 909             'extractor': 'TEST',
 910             'duration': 30,
 911             'filesize': 10 * 1024,
 912             'playlist_id': '42',
 913             'uploader': "變態妍字幕版 太妍 тест",
 914             'creator': "тест ' 123 ' тест--",
 915             'webpage_url': 'http://example.com/watch?v=shenanigans',
 916         }
 917         second = {
 918             'id': '2',
 919             'url': TEST_URL,
 920             'title': 'two',
 921             'extractor': 'TEST',
 922             'duration': 10,
 923             'description': 'foo',
 924             'filesize': 5 * 1024,
 925             'playlist_id': '43',
 926             'uploader': "тест 123",
 927             'webpage_url': 'http://example.com/watch?v=SHENANIGANS',
 928         }
 929         videos = [first, second]
 930
 931         def get_videos(filter_=None):
 932             ydl = YDL({'match_filter': filter_, 'simulate': True})
 933             for v in videos:
 934                 ydl.process_ie_result(v, download=True)
 935             return [v['id'] for v in ydl.downloaded_info_dicts]
 936
 937         res = get_videos()
 938         self.assertEqual(res, ['1', '2'])
 939
 940         def f(v, incomplete):
 941             if v['id'] == '1':
 942                 return None
 943             else:
 944                 return 'Video id is not 1'
 945         res = get_videos(f)
 946         self.assertEqual(res, ['1'])
 947
 948         f = match_filter_func('duration < 30')
 949         res = get_videos(f)
 950         self.assertEqual(res, ['2'])
 951
 952         f = match_filter_func('description = foo')
 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, ['1', '2'])
 959
 960         f = match_filter_func('filesize > 5KiB')
 961         res = get_videos(f)
 962         self.assertEqual(res, ['1'])
 963
 964         f = match_filter_func('playlist_id = 42')
 965         res = get_videos(f)
 966         self.assertEqual(res, ['1'])
 967
 968         f = match_filter_func('uploader = "變態妍字幕版 太妍 тест"')
 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, ['2'])
 975
 976         f = match_filter_func('creator = "тест \' 123 \' тест--"')
 977         res = get_videos(f)
 978         self.assertEqual(res, ['1'])
 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(r"creator = 'тест \' 123 \' тест--' & duration > 30")
 985         res = get_videos(f)
 986         self.assertEqual(res, [])
 987
 988     def test_playlist_items_selection(self):
 989         INDICES, PAGE_SIZE = list(range(1, 11)), 3
 990
 991         def entry(i, evaluated):
 992             evaluated.append(i)
 993             return {
 994                 'id': str(i),
 995                 'title': str(i),
 996                 'url': TEST_URL,
 997             }
 998
 999         def pagedlist_entries(evaluated):
1000             def page_func(n):
1001                 start = PAGE_SIZE * n
1002                 for i in INDICES[start: start + PAGE_SIZE]:
1003                     yield entry(i, evaluated)
1004             return OnDemandPagedList(page_func, PAGE_SIZE)
1005
1006         def page_num(i):
1007             return (i + PAGE_SIZE - 1) // PAGE_SIZE
1008
1009         def generator_entries(evaluated):
1010             for i in INDICES:
1011                 yield entry(i, evaluated)
1012
1013         def list_entries(evaluated):
1014             return list(generator_entries(evaluated))
1015
1016         def lazylist_entries(evaluated):
1017             return LazyList(generator_entries(evaluated))
1018
1019         def get_downloaded_info_dicts(params, entries):
1020             ydl = YDL(params)
1021             ydl.process_ie_result({
1022                 '_type': 'playlist',
1023                 'id': 'test',
1024                 'extractor': 'test:playlist',
1025                 'extractor_key': 'test:playlist',
1026                 'webpage_url': 'http://example.com',
1027                 'entries': entries,
1028             })
1029             return ydl.downloaded_info_dicts
1030
1031         def test_selection(params, expected_ids, evaluate_all=False):
1032             expected_ids = list(expected_ids)
1033             if evaluate_all:
1034                 generator_eval = pagedlist_eval = INDICES
1035             elif not expected_ids:
1036                 generator_eval = pagedlist_eval = []
1037             else:
1038                 generator_eval = INDICES[0: max(expected_ids)]
1039                 pagedlist_eval = INDICES[PAGE_SIZE * page_num(min(expected_ids)) - PAGE_SIZE:
1040                                          PAGE_SIZE * page_num(max(expected_ids))]
1041
1042             for name, func, expected_eval in (
1043                 ('list', list_entries, INDICES),
1044                 ('Generator', generator_entries, generator_eval),
1045                 # ('LazyList', lazylist_entries, generator_eval),  # Generator and LazyList follow the exact same code path
1046                 ('PagedList', pagedlist_entries, pagedlist_eval),
1047             ):
1048                 evaluated = []
1049                 entries = func(evaluated)
1050                 results = [(v['playlist_autonumber'] - 1, (int(v['id']), v['playlist_index']))
1051                            for v in get_downloaded_info_dicts(params, entries)]
1052                 self.assertEqual(results, list(enumerate(zip(expected_ids, expected_ids))), f'Entries of {name} for {params}')
1053                 self.assertEqual(sorted(evaluated), expected_eval, f'Evaluation of {name} for {params}')
1054         test_selection({}, INDICES)
1055         test_selection({'playlistend': 20}, INDICES, True)
1056         test_selection({'playlistend': 2}, INDICES[:2])
1057         test_selection({'playliststart': 11}, [], True)
1058         test_selection({'playliststart': 2}, INDICES[1:])
1059         test_selection({'playlist_items': '2-4'}, INDICES[1:4])
1060         test_selection({'playlist_items': '2,4'}, [2, 4])
1061         test_selection({'playlist_items': '20'}, [], True)
1062         test_selection({'playlist_items': '0'}, [])
1063
1064         # Tests for https://github.com/ytdl-org/youtube-dl/issues/10591
1065         test_selection({'playlist_items': '2-4,3-4,3'}, [2, 3, 4])
1066         test_selection({'playlist_items': '4,2'}, [4, 2])
1067
1068         # Tests for https://github.com/yt-dlp/yt-dlp/issues/720
1069         # https://github.com/yt-dlp/yt-dlp/issues/302
1070         test_selection({'playlistreverse': True}, INDICES[::-1])
1071         test_selection({'playliststart': 2, 'playlistreverse': True}, INDICES[:0:-1])
1072         test_selection({'playlist_items': '2,4', 'playlistreverse': True}, [4, 2])
1073         test_selection({'playlist_items': '4,2'}, [4, 2])
1074
1075         # Tests for --playlist-items start:end:step
1076         test_selection({'playlist_items': ':'}, INDICES, True)
1077         test_selection({'playlist_items': '::1'}, INDICES, True)
1078         test_selection({'playlist_items': '::-1'}, INDICES[::-1], True)
1079         test_selection({'playlist_items': ':6'}, INDICES[:6])
1080         test_selection({'playlist_items': ':-6'}, INDICES[:-5], True)
1081         test_selection({'playlist_items': '-1:6:-2'}, INDICES[:4:-2], True)
1082         test_selection({'playlist_items': '9:-6:-2'}, INDICES[8:3:-2], True)
1083
1084         test_selection({'playlist_items': '1:inf:2'}, INDICES[::2], True)
1085         test_selection({'playlist_items': '-2:inf'}, INDICES[-2:], True)
1086         test_selection({'playlist_items': ':inf:-1'}, [], True)
1087         test_selection({'playlist_items': '0-2:2'}, [2])
1088         test_selection({'playlist_items': '1-:2'}, INDICES[::2], True)
1089         test_selection({'playlist_items': '0--2:2'}, INDICES[1:-1:2], True)
1090
1091         test_selection({'playlist_items': '10::3'}, [10], True)
1092         test_selection({'playlist_items': '-1::3'}, [10], True)
1093         test_selection({'playlist_items': '11::3'}, [], True)
1094         test_selection({'playlist_items': '-15::2'}, INDICES[1::2], True)
1095         test_selection({'playlist_items': '-15::15'}, [], True)
1096
1097     def test_urlopen_no_file_protocol(self):
1098         # see https://github.com/ytdl-org/youtube-dl/issues/8227
1099         ydl = YDL()
1100         self.assertRaises(urllib.error.URLError, ydl.urlopen, 'file:///etc/passwd')
1101
1102     def test_do_not_override_ie_key_in_url_transparent(self):
1103         ydl = YDL()
1104
1105         class Foo1IE(InfoExtractor):
1106             _VALID_URL = r'foo1:'
1107
1108             def _real_extract(self, url):
1109                 return {
1110                     '_type': 'url_transparent',
1111                     'url': 'foo2:',
1112                     'ie_key': 'Foo2',
1113                     'title': 'foo1 title',
1114                     'id': 'foo1_id',
1115                 }
1116
1117         class Foo2IE(InfoExtractor):
1118             _VALID_URL = r'foo2:'
1119
1120             def _real_extract(self, url):
1121                 return {
1122                     '_type': 'url',
1123                     'url': 'foo3:',
1124                     'ie_key': 'Foo3',
1125                 }
1126
1127         class Foo3IE(InfoExtractor):
1128             _VALID_URL = r'foo3:'
1129
1130             def _real_extract(self, url):
1131                 return _make_result([{'url': TEST_URL}], title='foo3 title')
1132
1133         ydl.add_info_extractor(Foo1IE(ydl))
1134         ydl.add_info_extractor(Foo2IE(ydl))
1135         ydl.add_info_extractor(Foo3IE(ydl))
1136         ydl.extract_info('foo1:')
1137         downloaded = ydl.downloaded_info_dicts[0]
1138         self.assertEqual(downloaded['url'], TEST_URL)
1139         self.assertEqual(downloaded['title'], 'foo1 title')
1140         self.assertEqual(downloaded['id'], 'testid')
1141         self.assertEqual(downloaded['extractor'], 'testex')
1142         self.assertEqual(downloaded['extractor_key'], 'TestEx')
1143
1144     # Test case for https://github.com/ytdl-org/youtube-dl/issues/27064
1145     def test_ignoreerrors_for_playlist_with_url_transparent_iterable_entries(self):
1146
1147         class _YDL(YDL):
1148             def __init__(self, *args, **kwargs):
1149                 super().__init__(*args, **kwargs)
1150
1151             def trouble(self, s, tb=None):
1152                 pass
1153
1154         ydl = _YDL({
1155             'format': 'extra',
1156             'ignoreerrors': True,
1157         })
1158
1159         class VideoIE(InfoExtractor):
1160             _VALID_URL = r'video:(?P<id>\d+)'
1161
1162             def _real_extract(self, url):
1163                 video_id = self._match_id(url)
1164                 formats = [{
1165                     'format_id': 'default',
1166                     'url': 'url:',
1167                 }]
1168                 if video_id == '0':
1169                     raise ExtractorError('foo')
1170                 if video_id == '2':
1171                     formats.append({
1172                         'format_id': 'extra',
1173                         'url': TEST_URL,
1174                     })
1175                 return {
1176                     'id': video_id,
1177                     'title': 'Video %s' % video_id,
1178                     'formats': formats,
1179                 }
1180
1181         class PlaylistIE(InfoExtractor):
1182             _VALID_URL = r'playlist:'
1183
1184             def _entries(self):
1185                 for n in range(3):
1186                     video_id = compat_str(n)
1187                     yield {
1188                         '_type': 'url_transparent',
1189                         'ie_key': VideoIE.ie_key(),
1190                         'id': video_id,
1191                         'url': 'video:%s' % video_id,
1192                         'title': 'Video Transparent %s' % video_id,
1193                     }
1194
1195             def _real_extract(self, url):
1196                 return self.playlist_result(self._entries())
1197
1198         ydl.add_info_extractor(VideoIE(ydl))
1199         ydl.add_info_extractor(PlaylistIE(ydl))
1200         info = ydl.extract_info('playlist:')
1201         entries = info['entries']
1202         self.assertEqual(len(entries), 3)
1203         self.assertTrue(entries[0] is None)
1204         self.assertTrue(entries[1] is None)
1205         self.assertEqual(len(ydl.downloaded_info_dicts), 1)
1206         downloaded = ydl.downloaded_info_dicts[0]
1207         entries[2].pop('requested_downloads', None)
1208         self.assertEqual(entries[2], downloaded)
1209         self.assertEqual(downloaded['url'], TEST_URL)
1210         self.assertEqual(downloaded['title'], 'Video Transparent 2')
1211         self.assertEqual(downloaded['id'], '2')
1212         self.assertEqual(downloaded['extractor'], 'Video')
1213         self.assertEqual(downloaded['extractor_key'], 'Video')
1214
1215
1216 if __name__ == '__main__':
1217     unittest.main()