_ Git - youtube-dl/blob - test/test_YoutubeDL.py

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