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