[soundcloud] Reduce pagination limit to fix 502 Bad Gateway errors when listing a...
[youtube-dl] / youtube_dl / extractor / soundcloud.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import itertools
5 import re
6
7 from .common import (
8     InfoExtractor,
9     SearchInfoExtractor
10 )
11 from ..compat import (
12     compat_HTTPError,
13     compat_kwargs,
14     compat_str,
15     compat_urlparse,
16 )
17 from ..utils import (
18     error_to_compat_str,
19     ExtractorError,
20     float_or_none,
21     HEADRequest,
22     int_or_none,
23     KNOWN_EXTENSIONS,
24     mimetype2ext,
25     str_or_none,
26     try_get,
27     unified_timestamp,
28     update_url_query,
29     url_or_none,
30     urlhandle_detect_ext,
31 )
32
33
34 class SoundcloudEmbedIE(InfoExtractor):
35     _VALID_URL = r'https?://(?:w|player|p)\.soundcloud\.com/player/?.*?\burl=(?P<id>.+)'
36     _TEST = {
37         # from https://www.soundi.fi/uutiset/ennakkokuuntelussa-timo-kaukolammen-station-to-station-to-station-julkaisua-juhlitaan-tanaan-g-livelabissa/
38         'url': 'https://w.soundcloud.com/player/?visual=true&url=https%3A%2F%2Fapi.soundcloud.com%2Fplaylists%2F922213810&show_artwork=true&maxwidth=640&maxheight=960&dnt=1&secret_token=s-ziYey',
39         'only_matching': True,
40     }
41
42     @staticmethod
43     def _extract_urls(webpage):
44         return [m.group('url') for m in re.finditer(
45             r'<iframe[^>]+src=(["\'])(?P<url>(?:https?://)?(?:w\.)?soundcloud\.com/player.+?)\1',
46             webpage)]
47
48     def _real_extract(self, url):
49         query = compat_urlparse.parse_qs(
50             compat_urlparse.urlparse(url).query)
51         api_url = query['url'][0]
52         secret_token = query.get('secret_token')
53         if secret_token:
54             api_url = update_url_query(api_url, {'secret_token': secret_token[0]})
55         return self.url_result(api_url)
56
57
58 class SoundcloudIE(InfoExtractor):
59     """Information extractor for soundcloud.com
60        To access the media, the uid of the song and a stream token
61        must be extracted from the page source and the script must make
62        a request to media.soundcloud.com/crossdomain.xml. Then
63        the media can be grabbed by requesting from an url composed
64        of the stream token and uid
65      """
66
67     _VALID_URL = r'''(?x)^(?:https?://)?
68                     (?:(?:(?:www\.|m\.)?soundcloud\.com/
69                             (?!stations/track)
70                             (?P<uploader>[\w\d-]+)/
71                             (?!(?:tracks|albums|sets(?:/.+?)?|reposts|likes|spotlight)/?(?:$|[?#]))
72                             (?P<title>[\w\d-]+)/?
73                             (?P<token>[^?]+?)?(?:[?].*)?$)
74                        |(?:api(?:-v2)?\.soundcloud\.com/tracks/(?P<track_id>\d+)
75                           (?:/?\?secret_token=(?P<secret_token>[^&]+))?)
76                     )
77                     '''
78     IE_NAME = 'soundcloud'
79     _TESTS = [
80         {
81             'url': 'http://soundcloud.com/ethmusic/lostin-powers-she-so-heavy',
82             'md5': 'ebef0a451b909710ed1d7787dddbf0d7',
83             'info_dict': {
84                 'id': '62986583',
85                 'ext': 'mp3',
86                 'title': 'Lostin Powers - She so Heavy (SneakPreview) Adrian Ackers Blueprint 1',
87                 'description': 'No Downloads untill we record the finished version this weekend, i was too pumped n i had to post it , earl is prolly gonna b hella p.o\'d',
88                 'uploader': 'E.T. ExTerrestrial Music',
89                 'uploader_id': '1571244',
90                 'timestamp': 1349920598,
91                 'upload_date': '20121011',
92                 'duration': 143.216,
93                 'license': 'all-rights-reserved',
94                 'view_count': int,
95                 'like_count': int,
96                 'comment_count': int,
97                 'repost_count': int,
98             }
99         },
100         # geo-restricted
101         {
102             'url': 'https://soundcloud.com/the-concept-band/goldrushed-mastered?in=the-concept-band/sets/the-royal-concept-ep',
103             'info_dict': {
104                 'id': '47127627',
105                 'ext': 'mp3',
106                 'title': 'Goldrushed',
107                 'description': 'From Stockholm Sweden\r\nPovel / Magnus / Filip / David\r\nwww.theroyalconcept.com',
108                 'uploader': 'The Royal Concept',
109                 'uploader_id': '9615865',
110                 'timestamp': 1337635207,
111                 'upload_date': '20120521',
112                 'duration': 227.155,
113                 'license': 'all-rights-reserved',
114                 'view_count': int,
115                 'like_count': int,
116                 'comment_count': int,
117                 'repost_count': int,
118             },
119         },
120         # private link
121         {
122             'url': 'https://soundcloud.com/jaimemf/youtube-dl-test-video-a-y-baw/s-8Pjrp',
123             'md5': 'aa0dd32bfea9b0c5ef4f02aacd080604',
124             'info_dict': {
125                 'id': '123998367',
126                 'ext': 'mp3',
127                 'title': 'Youtube - Dl Test Video \'\' Ä↭',
128                 'description': 'test chars:  \"\'/\\ä↭',
129                 'uploader': 'jaimeMF',
130                 'uploader_id': '69767071',
131                 'timestamp': 1386604920,
132                 'upload_date': '20131209',
133                 'duration': 9.927,
134                 'license': 'all-rights-reserved',
135                 'view_count': int,
136                 'like_count': int,
137                 'comment_count': int,
138                 'repost_count': int,
139             },
140         },
141         # private link (alt format)
142         {
143             'url': 'https://api.soundcloud.com/tracks/123998367?secret_token=s-8Pjrp',
144             'md5': 'aa0dd32bfea9b0c5ef4f02aacd080604',
145             'info_dict': {
146                 'id': '123998367',
147                 'ext': 'mp3',
148                 'title': 'Youtube - Dl Test Video \'\' Ä↭',
149                 'description': 'test chars:  \"\'/\\ä↭',
150                 'uploader': 'jaimeMF',
151                 'uploader_id': '69767071',
152                 'timestamp': 1386604920,
153                 'upload_date': '20131209',
154                 'duration': 9.927,
155                 'license': 'all-rights-reserved',
156                 'view_count': int,
157                 'like_count': int,
158                 'comment_count': int,
159                 'repost_count': int,
160             },
161         },
162         # downloadable song
163         {
164             'url': 'https://soundcloud.com/oddsamples/bus-brakes',
165             'md5': '7624f2351f8a3b2e7cd51522496e7631',
166             'info_dict': {
167                 'id': '128590877',
168                 'ext': 'mp3',
169                 'title': 'Bus Brakes',
170                 'description': 'md5:0053ca6396e8d2fd7b7e1595ef12ab66',
171                 'uploader': 'oddsamples',
172                 'uploader_id': '73680509',
173                 'timestamp': 1389232924,
174                 'upload_date': '20140109',
175                 'duration': 17.346,
176                 'license': 'cc-by-sa',
177                 'view_count': int,
178                 'like_count': int,
179                 'comment_count': int,
180                 'repost_count': int,
181             },
182         },
183         # private link, downloadable format
184         {
185             'url': 'https://soundcloud.com/oriuplift/uponly-238-no-talking-wav/s-AyZUd',
186             'md5': '64a60b16e617d41d0bef032b7f55441e',
187             'info_dict': {
188                 'id': '340344461',
189                 'ext': 'wav',
190                 'title': 'Uplifting Only 238 [No Talking] (incl. Alex Feed Guestmix) (Aug 31, 2017) [wav]',
191                 'description': 'md5:fa20ee0fca76a3d6df8c7e57f3715366',
192                 'uploader': 'Ori Uplift Music',
193                 'uploader_id': '12563093',
194                 'timestamp': 1504206263,
195                 'upload_date': '20170831',
196                 'duration': 7449.096,
197                 'license': 'all-rights-reserved',
198                 'view_count': int,
199                 'like_count': int,
200                 'comment_count': int,
201                 'repost_count': int,
202             },
203         },
204         # no album art, use avatar pic for thumbnail
205         {
206             'url': 'https://soundcloud.com/garyvee/sideways-prod-mad-real',
207             'md5': '59c7872bc44e5d99b7211891664760c2',
208             'info_dict': {
209                 'id': '309699954',
210                 'ext': 'mp3',
211                 'title': 'Sideways (Prod. Mad Real)',
212                 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e',
213                 'uploader': 'garyvee',
214                 'uploader_id': '2366352',
215                 'timestamp': 1488152409,
216                 'upload_date': '20170226',
217                 'duration': 207.012,
218                 'thumbnail': r're:https?://.*\.jpg',
219                 'license': 'all-rights-reserved',
220                 'view_count': int,
221                 'like_count': int,
222                 'comment_count': int,
223                 'repost_count': int,
224             },
225             'params': {
226                 'skip_download': True,
227             },
228         },
229         {
230             'url': 'https://soundcloud.com/giovannisarani/mezzo-valzer',
231             'md5': 'e22aecd2bc88e0e4e432d7dcc0a1abf7',
232             'info_dict': {
233                 'id': '583011102',
234                 'ext': 'mp3',
235                 'title': 'Mezzo Valzer',
236                 'description': 'md5:4138d582f81866a530317bae316e8b61',
237                 'uploader': 'Micronie',
238                 'uploader_id': '3352531',
239                 'timestamp': 1551394171,
240                 'upload_date': '20190228',
241                 'duration': 180.157,
242                 'thumbnail': r're:https?://.*\.jpg',
243                 'license': 'all-rights-reserved',
244                 'view_count': int,
245                 'like_count': int,
246                 'comment_count': int,
247                 'repost_count': int,
248             },
249         },
250         {
251             # with AAC HQ format available via OAuth token
252             'url': 'https://soundcloud.com/wandw/the-chainsmokers-ft-daya-dont-let-me-down-ww-remix-1',
253             'only_matching': True,
254         },
255     ]
256
257     _API_V2_BASE = 'https://api-v2.soundcloud.com/'
258     _BASE_URL = 'https://soundcloud.com/'
259     _IMAGE_REPL_RE = r'-([0-9a-z]+)\.jpg'
260
261     _ARTWORK_MAP = {
262         'mini': 16,
263         'tiny': 20,
264         'small': 32,
265         'badge': 47,
266         't67x67': 67,
267         'large': 100,
268         't300x300': 300,
269         'crop': 400,
270         't500x500': 500,
271         'original': 0,
272     }
273
274     def _store_client_id(self, client_id):
275         self._downloader.cache.store('soundcloud', 'client_id', client_id)
276
277     def _update_client_id(self):
278         webpage = self._download_webpage('https://soundcloud.com/', None)
279         for src in reversed(re.findall(r'<script[^>]+src="([^"]+)"', webpage)):
280             script = self._download_webpage(src, None, fatal=False)
281             if script:
282                 client_id = self._search_regex(
283                     r'client_id\s*:\s*"([0-9a-zA-Z]{32})"',
284                     script, 'client id', default=None)
285                 if client_id:
286                     self._CLIENT_ID = client_id
287                     self._store_client_id(client_id)
288                     return
289         raise ExtractorError('Unable to extract client id')
290
291     def _download_json(self, *args, **kwargs):
292         non_fatal = kwargs.get('fatal') is False
293         if non_fatal:
294             del kwargs['fatal']
295         query = kwargs.get('query', {}).copy()
296         for _ in range(2):
297             query['client_id'] = self._CLIENT_ID
298             kwargs['query'] = query
299             try:
300                 return super(SoundcloudIE, self)._download_json(*args, **compat_kwargs(kwargs))
301             except ExtractorError as e:
302                 if isinstance(e.cause, compat_HTTPError) and e.cause.code == 401:
303                     self._store_client_id(None)
304                     self._update_client_id()
305                     continue
306                 elif non_fatal:
307                     self._downloader.report_warning(error_to_compat_str(e))
308                     return False
309                 raise
310
311     def _real_initialize(self):
312         self._CLIENT_ID = self._downloader.cache.load('soundcloud', 'client_id') or 'YUKXoArFcqrlQn9tfNHvvyfnDISj04zk'
313
314     @classmethod
315     def _resolv_url(cls, url):
316         return SoundcloudIE._API_V2_BASE + 'resolve?url=' + url
317
318     def _extract_info_dict(self, info, full_title=None, secret_token=None):
319         track_id = compat_str(info['id'])
320         title = info['title']
321
322         format_urls = set()
323         formats = []
324         query = {'client_id': self._CLIENT_ID}
325         if secret_token:
326             query['secret_token'] = secret_token
327
328         if info.get('downloadable') and info.get('has_downloads_left'):
329             download_url = update_url_query(
330                 self._API_V2_BASE + 'tracks/' + track_id + '/download', query)
331             redirect_url = (self._download_json(download_url, track_id, fatal=False) or {}).get('redirectUri')
332             if redirect_url:
333                 urlh = self._request_webpage(
334                     HEADRequest(redirect_url), track_id, fatal=False)
335                 if urlh:
336                     format_url = urlh.geturl()
337                     format_urls.add(format_url)
338                     formats.append({
339                         'format_id': 'download',
340                         'ext': urlhandle_detect_ext(urlh) or 'mp3',
341                         'filesize': int_or_none(urlh.headers.get('Content-Length')),
342                         'url': format_url,
343                         'preference': 10,
344                     })
345
346         def invalid_url(url):
347             return not url or url in format_urls
348
349         def add_format(f, protocol, is_preview=False):
350             mobj = re.search(r'\.(?P<abr>\d+)\.(?P<ext>[0-9a-z]{3,4})(?=[/?])', stream_url)
351             if mobj:
352                 for k, v in mobj.groupdict().items():
353                     if not f.get(k):
354                         f[k] = v
355             format_id_list = []
356             if protocol:
357                 format_id_list.append(protocol)
358             ext = f.get('ext')
359             if ext == 'aac':
360                 f['abr'] = '256'
361             for k in ('ext', 'abr'):
362                 v = f.get(k)
363                 if v:
364                     format_id_list.append(v)
365             preview = is_preview or re.search(r'/(?:preview|playlist)/0/30/', f['url'])
366             if preview:
367                 format_id_list.append('preview')
368             abr = f.get('abr')
369             if abr:
370                 f['abr'] = int(abr)
371             if protocol == 'hls':
372                 protocol = 'm3u8' if ext == 'aac' else 'm3u8_native'
373             else:
374                 protocol = 'http'
375             f.update({
376                 'format_id': '_'.join(format_id_list),
377                 'protocol': protocol,
378                 'preference': -10 if preview else None,
379             })
380             formats.append(f)
381
382         # New API
383         transcodings = try_get(
384             info, lambda x: x['media']['transcodings'], list) or []
385         for t in transcodings:
386             if not isinstance(t, dict):
387                 continue
388             format_url = url_or_none(t.get('url'))
389             if not format_url:
390                 continue
391             stream = self._download_json(
392                 format_url, track_id, query=query, fatal=False)
393             if not isinstance(stream, dict):
394                 continue
395             stream_url = url_or_none(stream.get('url'))
396             if invalid_url(stream_url):
397                 continue
398             format_urls.add(stream_url)
399             stream_format = t.get('format') or {}
400             protocol = stream_format.get('protocol')
401             if protocol != 'hls' and '/hls' in format_url:
402                 protocol = 'hls'
403             ext = None
404             preset = str_or_none(t.get('preset'))
405             if preset:
406                 ext = preset.split('_')[0]
407             if ext not in KNOWN_EXTENSIONS:
408                 ext = mimetype2ext(stream_format.get('mime_type'))
409             add_format({
410                 'url': stream_url,
411                 'ext': ext,
412             }, 'http' if protocol == 'progressive' else protocol,
413                 t.get('snipped') or '/preview/' in format_url)
414
415         for f in formats:
416             f['vcodec'] = 'none'
417
418         if not formats and info.get('policy') == 'BLOCK':
419             self.raise_geo_restricted()
420         self._sort_formats(formats)
421
422         user = info.get('user') or {}
423
424         thumbnails = []
425         artwork_url = info.get('artwork_url')
426         thumbnail = artwork_url or user.get('avatar_url')
427         if isinstance(thumbnail, compat_str):
428             if re.search(self._IMAGE_REPL_RE, thumbnail):
429                 for image_id, size in self._ARTWORK_MAP.items():
430                     i = {
431                         'id': image_id,
432                         'url': re.sub(self._IMAGE_REPL_RE, '-%s.jpg' % image_id, thumbnail),
433                     }
434                     if image_id == 'tiny' and not artwork_url:
435                         size = 18
436                     elif image_id == 'original':
437                         i['preference'] = 10
438                     if size:
439                         i.update({
440                             'width': size,
441                             'height': size,
442                         })
443                     thumbnails.append(i)
444             else:
445                 thumbnails = [{'url': thumbnail}]
446
447         def extract_count(key):
448             return int_or_none(info.get('%s_count' % key))
449
450         return {
451             'id': track_id,
452             'uploader': user.get('username'),
453             'uploader_id': str_or_none(user.get('id')) or user.get('permalink'),
454             'uploader_url': user.get('permalink_url'),
455             'timestamp': unified_timestamp(info.get('created_at')),
456             'title': title,
457             'description': info.get('description'),
458             'thumbnails': thumbnails,
459             'duration': float_or_none(info.get('duration'), 1000),
460             'webpage_url': info.get('permalink_url'),
461             'license': info.get('license'),
462             'view_count': extract_count('playback'),
463             'like_count': extract_count('favoritings') or extract_count('likes'),
464             'comment_count': extract_count('comment'),
465             'repost_count': extract_count('reposts'),
466             'genre': info.get('genre'),
467             'formats': formats
468         }
469
470     def _real_extract(self, url):
471         mobj = re.match(self._VALID_URL, url)
472
473         track_id = mobj.group('track_id')
474
475         query = {}
476         if track_id:
477             info_json_url = self._API_V2_BASE + 'tracks/' + track_id
478             full_title = track_id
479             token = mobj.group('secret_token')
480             if token:
481                 query['secret_token'] = token
482         else:
483             full_title = resolve_title = '%s/%s' % mobj.group('uploader', 'title')
484             token = mobj.group('token')
485             if token:
486                 resolve_title += '/%s' % token
487             info_json_url = self._resolv_url(self._BASE_URL + resolve_title)
488
489         info = self._download_json(
490             info_json_url, full_title, 'Downloading info JSON', query=query)
491
492         return self._extract_info_dict(info, full_title, token)
493
494
495 class SoundcloudPlaylistBaseIE(SoundcloudIE):
496     def _extract_set(self, playlist, token=None):
497         playlist_id = compat_str(playlist['id'])
498         tracks = playlist.get('tracks') or []
499         if not all([t.get('permalink_url') for t in tracks]) and token:
500             tracks = self._download_json(
501                 self._API_V2_BASE + 'tracks', playlist_id,
502                 'Downloading tracks', query={
503                     'ids': ','.join([compat_str(t['id']) for t in tracks]),
504                     'playlistId': playlist_id,
505                     'playlistSecretToken': token,
506                 })
507         entries = []
508         for track in tracks:
509             track_id = str_or_none(track.get('id'))
510             url = track.get('permalink_url')
511             if not url:
512                 if not track_id:
513                     continue
514                 url = self._API_V2_BASE + 'tracks/' + track_id
515                 if token:
516                     url += '?secret_token=' + token
517             entries.append(self.url_result(
518                 url, SoundcloudIE.ie_key(), track_id))
519         return self.playlist_result(
520             entries, playlist_id,
521             playlist.get('title'),
522             playlist.get('description'))
523
524
525 class SoundcloudSetIE(SoundcloudPlaylistBaseIE):
526     _VALID_URL = r'https?://(?:(?:www|m)\.)?soundcloud\.com/(?P<uploader>[\w\d-]+)/sets/(?P<slug_title>[\w\d-]+)(?:/(?P<token>[^?/]+))?'
527     IE_NAME = 'soundcloud:set'
528     _TESTS = [{
529         'url': 'https://soundcloud.com/the-concept-band/sets/the-royal-concept-ep',
530         'info_dict': {
531             'id': '2284613',
532             'title': 'The Royal Concept EP',
533             'description': 'md5:71d07087c7a449e8941a70a29e34671e',
534         },
535         'playlist_mincount': 5,
536     }, {
537         'url': 'https://soundcloud.com/the-concept-band/sets/the-royal-concept-ep/token',
538         'only_matching': True,
539     }]
540
541     def _real_extract(self, url):
542         mobj = re.match(self._VALID_URL, url)
543
544         full_title = '%s/sets/%s' % mobj.group('uploader', 'slug_title')
545         token = mobj.group('token')
546         if token:
547             full_title += '/' + token
548
549         info = self._download_json(self._resolv_url(
550             self._BASE_URL + full_title), full_title)
551
552         if 'errors' in info:
553             msgs = (compat_str(err['error_message']) for err in info['errors'])
554             raise ExtractorError('unable to download video webpage: %s' % ','.join(msgs))
555
556         return self._extract_set(info, token)
557
558
559 class SoundcloudPagedPlaylistBaseIE(SoundcloudIE):
560     def _extract_playlist(self, base_url, playlist_id, playlist_title):
561         # Per the SoundCloud documentation, the maximum limit for a linked partioning query is 200.
562         # https://developers.soundcloud.com/blog/offset-pagination-deprecated
563         COMMON_QUERY = {
564             'limit': 200,
565             'linked_partitioning': '1',
566         }
567
568         query = COMMON_QUERY.copy()
569         query['offset'] = 0
570
571         next_href = base_url
572
573         entries = []
574         for i in itertools.count():
575             response = self._download_json(
576                 next_href, playlist_id,
577                 'Downloading track page %s' % (i + 1), query=query)
578
579             collection = response['collection']
580
581             if not isinstance(collection, list):
582                 collection = []
583
584             # Empty collection may be returned, in this case we proceed
585             # straight to next_href
586
587             def resolve_entry(candidates):
588                 for cand in candidates:
589                     if not isinstance(cand, dict):
590                         continue
591                     permalink_url = url_or_none(cand.get('permalink_url'))
592                     if not permalink_url:
593                         continue
594                     return self.url_result(
595                         permalink_url,
596                         SoundcloudIE.ie_key() if SoundcloudIE.suitable(permalink_url) else None,
597                         str_or_none(cand.get('id')), cand.get('title'))
598
599             for e in collection:
600                 entry = resolve_entry((e, e.get('track'), e.get('playlist')))
601                 if entry:
602                     entries.append(entry)
603
604             next_href = response.get('next_href')
605             if not next_href:
606                 break
607
608             next_href = response['next_href']
609             parsed_next_href = compat_urlparse.urlparse(next_href)
610             query = compat_urlparse.parse_qs(parsed_next_href.query)
611             query.update(COMMON_QUERY)
612
613         return {
614             '_type': 'playlist',
615             'id': playlist_id,
616             'title': playlist_title,
617             'entries': entries,
618         }
619
620
621 class SoundcloudUserIE(SoundcloudPagedPlaylistBaseIE):
622     _VALID_URL = r'''(?x)
623                         https?://
624                             (?:(?:www|m)\.)?soundcloud\.com/
625                             (?P<user>[^/]+)
626                             (?:/
627                                 (?P<rsrc>tracks|albums|sets|reposts|likes|spotlight)
628                             )?
629                             /?(?:[?#].*)?$
630                     '''
631     IE_NAME = 'soundcloud:user'
632     _TESTS = [{
633         'url': 'https://soundcloud.com/soft-cell-official',
634         'info_dict': {
635             'id': '207965082',
636             'title': 'Soft Cell (All)',
637         },
638         'playlist_mincount': 28,
639     }, {
640         'url': 'https://soundcloud.com/soft-cell-official/tracks',
641         'info_dict': {
642             'id': '207965082',
643             'title': 'Soft Cell (Tracks)',
644         },
645         'playlist_mincount': 27,
646     }, {
647         'url': 'https://soundcloud.com/soft-cell-official/albums',
648         'info_dict': {
649             'id': '207965082',
650             'title': 'Soft Cell (Albums)',
651         },
652         'playlist_mincount': 1,
653     }, {
654         'url': 'https://soundcloud.com/jcv246/sets',
655         'info_dict': {
656             'id': '12982173',
657             'title': 'Jordi / cv (Sets)',
658         },
659         'playlist_mincount': 2,
660     }, {
661         'url': 'https://soundcloud.com/jcv246/reposts',
662         'info_dict': {
663             'id': '12982173',
664             'title': 'Jordi / cv (Reposts)',
665         },
666         'playlist_mincount': 6,
667     }, {
668         'url': 'https://soundcloud.com/clalberg/likes',
669         'info_dict': {
670             'id': '11817582',
671             'title': 'clalberg (Likes)',
672         },
673         'playlist_mincount': 5,
674     }, {
675         'url': 'https://soundcloud.com/grynpyret/spotlight',
676         'info_dict': {
677             'id': '7098329',
678             'title': 'Grynpyret (Spotlight)',
679         },
680         'playlist_mincount': 1,
681     }]
682
683     _BASE_URL_MAP = {
684         'all': 'stream/users/%s',
685         'tracks': 'users/%s/tracks',
686         'albums': 'users/%s/albums',
687         'sets': 'users/%s/playlists',
688         'reposts': 'stream/users/%s/reposts',
689         'likes': 'users/%s/likes',
690         'spotlight': 'users/%s/spotlight',
691     }
692
693     def _real_extract(self, url):
694         mobj = re.match(self._VALID_URL, url)
695         uploader = mobj.group('user')
696
697         user = self._download_json(
698             self._resolv_url(self._BASE_URL + uploader),
699             uploader, 'Downloading user info')
700
701         resource = mobj.group('rsrc') or 'all'
702
703         return self._extract_playlist(
704             self._API_V2_BASE + self._BASE_URL_MAP[resource] % user['id'],
705             str_or_none(user.get('id')),
706             '%s (%s)' % (user['username'], resource.capitalize()))
707
708
709 class SoundcloudTrackStationIE(SoundcloudPagedPlaylistBaseIE):
710     _VALID_URL = r'https?://(?:(?:www|m)\.)?soundcloud\.com/stations/track/[^/]+/(?P<id>[^/?#&]+)'
711     IE_NAME = 'soundcloud:trackstation'
712     _TESTS = [{
713         'url': 'https://soundcloud.com/stations/track/officialsundial/your-text',
714         'info_dict': {
715             'id': '286017854',
716             'title': 'Track station: your text',
717         },
718         'playlist_mincount': 47,
719     }]
720
721     def _real_extract(self, url):
722         track_name = self._match_id(url)
723
724         track = self._download_json(self._resolv_url(url), track_name)
725         track_id = self._search_regex(
726             r'soundcloud:track-stations:(\d+)', track['id'], 'track id')
727
728         return self._extract_playlist(
729             self._API_V2_BASE + 'stations/%s/tracks' % track['id'],
730             track_id, 'Track station: %s' % track['title'])
731
732
733 class SoundcloudPlaylistIE(SoundcloudPlaylistBaseIE):
734     _VALID_URL = r'https?://api(?:-v2)?\.soundcloud\.com/playlists/(?P<id>[0-9]+)(?:/?\?secret_token=(?P<token>[^&]+?))?$'
735     IE_NAME = 'soundcloud:playlist'
736     _TESTS = [{
737         'url': 'https://api.soundcloud.com/playlists/4110309',
738         'info_dict': {
739             'id': '4110309',
740             'title': 'TILT Brass - Bowery Poetry Club, August \'03 [Non-Site SCR 02]',
741             'description': 're:.*?TILT Brass - Bowery Poetry Club',
742         },
743         'playlist_count': 6,
744     }]
745
746     def _real_extract(self, url):
747         mobj = re.match(self._VALID_URL, url)
748         playlist_id = mobj.group('id')
749
750         query = {}
751         token = mobj.group('token')
752         if token:
753             query['secret_token'] = token
754
755         data = self._download_json(
756             self._API_V2_BASE + 'playlists/' + playlist_id,
757             playlist_id, 'Downloading playlist', query=query)
758
759         return self._extract_set(data, token)
760
761
762 class SoundcloudSearchIE(SearchInfoExtractor, SoundcloudIE):
763     IE_NAME = 'soundcloud:search'
764     IE_DESC = 'Soundcloud search'
765     _MAX_RESULTS = float('inf')
766     _TESTS = [{
767         'url': 'scsearch15:post-avant jazzcore',
768         'info_dict': {
769             'title': 'post-avant jazzcore',
770         },
771         'playlist_count': 15,
772     }]
773
774     _SEARCH_KEY = 'scsearch'
775     _MAX_RESULTS_PER_PAGE = 200
776     _DEFAULT_RESULTS_PER_PAGE = 50
777
778     def _get_collection(self, endpoint, collection_id, **query):
779         limit = min(
780             query.get('limit', self._DEFAULT_RESULTS_PER_PAGE),
781             self._MAX_RESULTS_PER_PAGE)
782         query.update({
783             'limit': limit,
784             'linked_partitioning': 1,
785             'offset': 0,
786         })
787         next_url = update_url_query(self._API_V2_BASE + endpoint, query)
788
789         collected_results = 0
790
791         for i in itertools.count(1):
792             response = self._download_json(
793                 next_url, collection_id, 'Downloading page {0}'.format(i),
794                 'Unable to download API page')
795
796             collection = response.get('collection', [])
797             if not collection:
798                 break
799
800             collection = list(filter(bool, collection))
801             collected_results += len(collection)
802
803             for item in collection:
804                 yield self.url_result(item['uri'], SoundcloudIE.ie_key())
805
806             if not collection or collected_results >= limit:
807                 break
808
809             next_url = response.get('next_href')
810             if not next_url:
811                 break
812
813     def _get_n_results(self, query, n):
814         tracks = self._get_collection('search/tracks', query, limit=n, q=query)
815         return self.playlist_result(tracks, playlist_title=query)