X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/9815bb0a551468e4939cacfffbc2d5cb8dd12431..b0b67c374528aca7bc76a9476d554a1d3ab96a9e:/youtube_dl/extractor/soundcloud.py?ds=inline diff --git a/youtube_dl/extractor/soundcloud.py b/youtube_dl/extractor/soundcloud.py index 80d7e1b..81c81c8 100644 --- a/youtube_dl/extractor/soundcloud.py +++ b/youtube_dl/extractor/soundcloud.py @@ -1,12 +1,23 @@ -import json +# coding: utf-8 +from __future__ import unicode_literals + +import itertools import re -from .common import InfoExtractor -from ..utils import ( +from .common import ( + InfoExtractor, + SearchInfoExtractor +) +from ..compat import ( compat_str, - + compat_urlparse, + compat_urllib_parse_urlencode, +) +from ..utils import ( ExtractorError, + int_or_none, unified_strdate, + update_url_query, ) @@ -19,111 +30,607 @@ class SoundcloudIE(InfoExtractor): of the stream token and uid """ - _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/([\w\d-]+)' - IE_NAME = u'soundcloud' + _VALID_URL = r'''(?x)^(?:https?://)? + (?:(?:(?:www\.|m\.)?soundcloud\.com/ + (?!stations/track) + (?P[\w\d-]+)/ + (?!(?:tracks|sets(?:/.+?)?|reposts|likes|spotlight)/?(?:$|[?#])) + (?P[\w\d-]+)/? + (?P<token>[^?]+?)?(?:[?].*)?$) + |(?:api\.soundcloud\.com/tracks/(?P<track_id>\d+) + (?:/?\?secret_token=(?P<secret_token>[^&]+))?) + |(?P<player>(?:w|player|p.)\.soundcloud\.com/player/?.*?url=.*) + ) + ''' + IE_NAME = 'soundcloud' + _TESTS = [ + { + 'url': 'http://soundcloud.com/ethmusic/lostin-powers-she-so-heavy', + 'md5': 'ebef0a451b909710ed1d7787dddbf0d7', + 'info_dict': { + 'id': '62986583', + 'ext': 'mp3', + 'upload_date': '20121011', + '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', + 'uploader': 'E.T. ExTerrestrial Music', + 'title': 'Lostin Powers - She so Heavy (SneakPreview) Adrian Ackers Blueprint 1', + 'duration': 143, + 'license': 'all-rights-reserved', + } + }, + # not streamable song + { + 'url': 'https://soundcloud.com/the-concept-band/goldrushed-mastered?in=the-concept-band/sets/the-royal-concept-ep', + 'info_dict': { + 'id': '47127627', + 'ext': 'mp3', + 'title': 'Goldrushed', + 'description': 'From Stockholm Sweden\r\nPovel / Magnus / Filip / David\r\nwww.theroyalconcept.com', + 'uploader': 'The Royal Concept', + 'upload_date': '20120521', + 'duration': 227, + 'license': 'all-rights-reserved', + }, + 'params': { + # rtmp + 'skip_download': True, + }, + }, + # private link + { + 'url': 'https://soundcloud.com/jaimemf/youtube-dl-test-video-a-y-baw/s-8Pjrp', + 'md5': 'aa0dd32bfea9b0c5ef4f02aacd080604', + 'info_dict': { + 'id': '123998367', + 'ext': 'mp3', + 'title': 'Youtube - Dl Test Video \'\' Ä↭', + 'uploader': 'jaimeMF', + 'description': 'test chars: \"\'/\\ä↭', + 'upload_date': '20131209', + 'duration': 9, + 'license': 'all-rights-reserved', + }, + }, + # private link (alt format) + { + 'url': 'https://api.soundcloud.com/tracks/123998367?secret_token=s-8Pjrp', + 'md5': 'aa0dd32bfea9b0c5ef4f02aacd080604', + 'info_dict': { + 'id': '123998367', + 'ext': 'mp3', + 'title': 'Youtube - Dl Test Video \'\' Ä↭', + 'uploader': 'jaimeMF', + 'description': 'test chars: \"\'/\\ä↭', + 'upload_date': '20131209', + 'duration': 9, + 'license': 'all-rights-reserved', + }, + }, + # downloadable song + { + 'url': 'https://soundcloud.com/oddsamples/bus-brakes', + 'md5': '7624f2351f8a3b2e7cd51522496e7631', + 'info_dict': { + 'id': '128590877', + 'ext': 'mp3', + 'title': 'Bus Brakes', + 'description': 'md5:0053ca6396e8d2fd7b7e1595ef12ab66', + 'uploader': 'oddsamples', + 'upload_date': '20140109', + 'duration': 17, + 'license': 'cc-by-sa', + }, + }, + # private link, downloadable format + { + 'url': 'https://soundcloud.com/oriuplift/uponly-238-no-talking-wav/s-AyZUd', + 'md5': '64a60b16e617d41d0bef032b7f55441e', + 'info_dict': { + 'id': '340344461', + 'ext': 'wav', + 'title': 'Uplifting Only 238 [No Talking] (incl. Alex Feed Guestmix) (Aug 31, 2017) [wav]', + 'description': 'md5:fa20ee0fca76a3d6df8c7e57f3715366', + 'uploader': 'Ori Uplift Music', + 'upload_date': '20170831', + 'duration': 7449, + 'license': 'all-rights-reserved', + }, + }, + # no album art, use avatar pic for thumbnail + { + 'url': 'https://soundcloud.com/garyvee/sideways-prod-mad-real', + 'md5': '59c7872bc44e5d99b7211891664760c2', + 'info_dict': { + 'id': '309699954', + 'ext': 'mp3', + 'title': 'Sideways (Prod. Mad Real)', + 'description': 'md5:d41d8cd98f00b204e9800998ecf8427e', + 'uploader': 'garyvee', + 'upload_date': '20170226', + 'duration': 207, + 'thumbnail': r're:https?://.*\.jpg', + 'license': 'all-rights-reserved', + }, + 'params': { + 'skip_download': True, + }, + }, + ] + + _CLIENT_ID = 'LvWovRaJZlWCHql0bISuum8Bd2KX79mb' + + @staticmethod + def _extract_urls(webpage): + return [m.group('url') for m in re.finditer( + r'<iframe[^>]+src=(["\'])(?P<url>(?:https?://)?(?:w\.)?soundcloud\.com/player.+?)\1', + webpage)] def report_resolve(self, video_id): """Report information extraction.""" - self.to_screen(u'%s: Resolving id' % video_id) + self.to_screen('%s: Resolving id' % video_id) + + @classmethod + def _resolv_url(cls, url): + return 'https://api.soundcloud.com/resolve.json?url=' + url + '&client_id=' + cls._CLIENT_ID + + def _extract_info_dict(self, info, full_title=None, quiet=False, secret_token=None): + track_id = compat_str(info['id']) + name = full_title or track_id + if quiet: + self.report_extraction(name) + thumbnail = info.get('artwork_url') or info.get('user', {}).get('avatar_url') + if isinstance(thumbnail, compat_str): + thumbnail = thumbnail.replace('-large', '-t500x500') + result = { + 'id': track_id, + 'uploader': info.get('user', {}).get('username'), + 'upload_date': unified_strdate(info.get('created_at')), + 'title': info['title'], + 'description': info.get('description'), + 'thumbnail': thumbnail, + 'duration': int_or_none(info.get('duration'), 1000), + 'webpage_url': info.get('permalink_url'), + 'license': info.get('license'), + } + formats = [] + query = {'client_id': self._CLIENT_ID} + if secret_token is not None: + query['secret_token'] = secret_token + if info.get('downloadable', False): + # We can build a direct link to the song + format_url = update_url_query( + 'https://api.soundcloud.com/tracks/%s/download' % track_id, query) + formats.append({ + 'format_id': 'download', + 'ext': info.get('original_format', 'mp3'), + 'url': format_url, + 'vcodec': 'none', + 'preference': 10, + }) + + # We have to retrieve the url + format_dict = self._download_json( + 'https://api.soundcloud.com/i1/tracks/%s/streams' % track_id, + track_id, 'Downloading track url', query=query) + + for key, stream_url in format_dict.items(): + ext, abr = 'mp3', None + mobj = re.search(r'_([^_]+)_(\d+)_url', key) + if mobj: + ext, abr = mobj.groups() + abr = int(abr) + if key.startswith('http'): + stream_formats = [{ + 'format_id': key, + 'ext': ext, + 'url': stream_url, + }] + elif key.startswith('rtmp'): + # The url doesn't have an rtmp app, we have to extract the playpath + url, path = stream_url.split('mp3:', 1) + stream_formats = [{ + 'format_id': key, + 'url': url, + 'play_path': 'mp3:' + path, + 'ext': 'flv', + }] + elif key.startswith('hls'): + stream_formats = self._extract_m3u8_formats( + stream_url, track_id, ext, entry_protocol='m3u8_native', + m3u8_id=key, fatal=False) + else: + continue + + if abr: + for f in stream_formats: + f['abr'] = abr + + formats.extend(stream_formats) + + if not formats: + # We fallback to the stream_url in the original info, this + # cannot be always used, sometimes it can give an HTTP 404 error + formats.append({ + 'format_id': 'fallback', + 'url': update_url_query(info['stream_url'], query), + 'ext': 'mp3', + }) + + for f in formats: + f['vcodec'] = 'none' + + self._check_formats(formats, track_id) + self._sort_formats(formats) + result['formats'] = formats + + return result def _real_extract(self, url): - mobj = re.match(self._VALID_URL, url) + mobj = re.match(self._VALID_URL, url, flags=re.VERBOSE) if mobj is None: - raise ExtractorError(u'Invalid URL: %s' % url) + raise ExtractorError('Invalid URL: %s' % url) - # extract uploader (which is in the url) - uploader = mobj.group(1) - # extract simple title (uploader + slug of song title) - slug_title = mobj.group(2) - full_title = '%s/%s' % (uploader, slug_title) + track_id = mobj.group('track_id') - self.report_resolve(full_title) + if track_id is not None: + info_json_url = 'https://api.soundcloud.com/tracks/' + track_id + '.json?client_id=' + self._CLIENT_ID + full_title = track_id + token = mobj.group('secret_token') + if token: + info_json_url += '&secret_token=' + token + elif mobj.group('player'): + query = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query) + real_url = query['url'][0] + # If the token is in the query of the original url we have to + # manually add it + if 'secret_token' in query: + real_url += '?secret_token=' + query['secret_token'][0] + return self.url_result(real_url) + else: + # extract uploader (which is in the url) + uploader = mobj.group('uploader') + # extract simple title (uploader + slug of song title) + slug_title = mobj.group('title') + token = mobj.group('token') + full_title = resolve_title = '%s/%s' % (uploader, slug_title) + if token: + resolve_title += '/%s' % token - url = 'http://soundcloud.com/%s/%s' % (uploader, slug_title) - resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28' - info_json = self._download_webpage(resolv_url, full_title, u'Downloading info JSON') - - info = json.loads(info_json) - video_id = info['id'] - self.report_extraction(full_title) - - streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28' - stream_json = self._download_webpage(streams_url, full_title, - u'Downloading stream definitions', - u'unable to download stream definitions') - - streams = json.loads(stream_json) - mediaURL = streams['http_mp3_128_url'] - upload_date = unified_strdate(info['created_at']) - - return [{ - 'id': info['id'], - 'url': mediaURL, - 'uploader': info['user']['username'], - 'upload_date': upload_date, - 'title': info['title'], - 'ext': u'mp3', - 'description': info['description'], - }] - -class SoundcloudSetIE(InfoExtractor): - """Information extractor for soundcloud.com sets - To access the media, the uid of the song and a stream token - must be extracted from the page source and the script must make - a request to media.soundcloud.com/crossdomain.xml. Then - the media can be grabbed by requesting from an url composed - of the stream token and uid - """ + self.report_resolve(full_title) - _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)' - IE_NAME = u'soundcloud:set' + url = 'https://soundcloud.com/%s' % resolve_title + info_json_url = self._resolv_url(url) + info = self._download_json(info_json_url, full_title, 'Downloading info JSON') + + return self._extract_info_dict(info, full_title, secret_token=token) + + +class SoundcloudPlaylistBaseIE(SoundcloudIE): + @staticmethod + def _extract_id(e): + return compat_str(e['id']) if e.get('id') else None + + def _extract_track_entries(self, tracks): + return [ + self.url_result( + track['permalink_url'], SoundcloudIE.ie_key(), + video_id=self._extract_id(track)) + for track in tracks if track.get('permalink_url')] - def report_resolve(self, video_id): - """Report information extraction.""" - self.to_screen(u'%s: Resolving id' % video_id) + +class SoundcloudSetIE(SoundcloudPlaylistBaseIE): + _VALID_URL = r'https?://(?:(?:www|m)\.)?soundcloud\.com/(?P<uploader>[\w\d-]+)/sets/(?P<slug_title>[\w\d-]+)(?:/(?P<token>[^?/]+))?' + IE_NAME = 'soundcloud:set' + _TESTS = [{ + 'url': 'https://soundcloud.com/the-concept-band/sets/the-royal-concept-ep', + 'info_dict': { + 'id': '2284613', + 'title': 'The Royal Concept EP', + }, + 'playlist_mincount': 5, + }, { + 'url': 'https://soundcloud.com/the-concept-band/sets/the-royal-concept-ep/token', + 'only_matching': True, + }] def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) - if mobj is None: - raise ExtractorError(u'Invalid URL: %s' % url) # extract uploader (which is in the url) - uploader = mobj.group(1) + uploader = mobj.group('uploader') # extract simple title (uploader + slug of song title) - slug_title = mobj.group(2) + slug_title = mobj.group('slug_title') full_title = '%s/sets/%s' % (uploader, slug_title) + url = 'https://soundcloud.com/%s/sets/%s' % (uploader, slug_title) + + token = mobj.group('token') + if token: + full_title += '/' + token + url += '/' + token self.report_resolve(full_title) - url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title) - resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28' - info_json = self._download_webpage(resolv_url, full_title) + resolv_url = self._resolv_url(url) + info = self._download_json(resolv_url, full_title) - videos = [] - info = json.loads(info_json) if 'errors' in info: - for err in info['errors']: - self._downloader.report_error(u'unable to download video webpage: %s' % compat_str(err['error_message'])) - return - - self.report_extraction(full_title) - for track in info['tracks']: - video_id = track['id'] - - streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28' - stream_json = self._download_webpage(streams_url, video_id, u'Downloading track info JSON') - - self.report_extraction(video_id) - streams = json.loads(stream_json) - mediaURL = streams['http_mp3_128_url'] - - videos.append({ - 'id': video_id, - 'url': mediaURL, - 'uploader': track['user']['username'], - 'upload_date': unified_strdate(track['created_at']), - 'title': track['title'], - 'ext': u'mp3', - 'description': track['description'], - }) - return videos + msgs = (compat_str(err['error_message']) for err in info['errors']) + raise ExtractorError('unable to download video webpage: %s' % ','.join(msgs)) + + entries = self._extract_track_entries(info['tracks']) + + return { + '_type': 'playlist', + 'entries': entries, + 'id': '%s' % info['id'], + 'title': info['title'], + } + + +class SoundcloudPagedPlaylistBaseIE(SoundcloudPlaylistBaseIE): + _API_BASE = 'https://api.soundcloud.com' + _API_V2_BASE = 'https://api-v2.soundcloud.com' + + def _extract_playlist(self, base_url, playlist_id, playlist_title): + COMMON_QUERY = { + 'limit': 50, + 'client_id': self._CLIENT_ID, + 'linked_partitioning': '1', + } + + query = COMMON_QUERY.copy() + query['offset'] = 0 + + next_href = base_url + '?' + compat_urllib_parse_urlencode(query) + + entries = [] + for i in itertools.count(): + response = self._download_json( + next_href, playlist_id, 'Downloading track page %s' % (i + 1)) + + collection = response['collection'] + if not collection: + break + + def resolve_permalink_url(candidates): + for cand in candidates: + if isinstance(cand, dict): + permalink_url = cand.get('permalink_url') + entry_id = self._extract_id(cand) + if permalink_url and permalink_url.startswith('http'): + return permalink_url, entry_id + + for e in collection: + permalink_url, entry_id = resolve_permalink_url((e, e.get('track'), e.get('playlist'))) + if permalink_url: + entries.append(self.url_result(permalink_url, video_id=entry_id)) + + next_href = response.get('next_href') + if not next_href: + break + + parsed_next_href = compat_urlparse.urlparse(response['next_href']) + qs = compat_urlparse.parse_qs(parsed_next_href.query) + qs.update(COMMON_QUERY) + next_href = compat_urlparse.urlunparse( + parsed_next_href._replace(query=compat_urllib_parse_urlencode(qs, True))) + + return { + '_type': 'playlist', + 'id': playlist_id, + 'title': playlist_title, + 'entries': entries, + } + + +class SoundcloudUserIE(SoundcloudPagedPlaylistBaseIE): + _VALID_URL = r'''(?x) + https?:// + (?:(?:www|m)\.)?soundcloud\.com/ + (?P<user>[^/]+) + (?:/ + (?P<rsrc>tracks|sets|reposts|likes|spotlight) + )? + /?(?:[?#].*)?$ + ''' + IE_NAME = 'soundcloud:user' + _TESTS = [{ + 'url': 'https://soundcloud.com/the-akashic-chronicler', + 'info_dict': { + 'id': '114582580', + 'title': 'The Akashic Chronicler (All)', + }, + 'playlist_mincount': 74, + }, { + 'url': 'https://soundcloud.com/the-akashic-chronicler/tracks', + 'info_dict': { + 'id': '114582580', + 'title': 'The Akashic Chronicler (Tracks)', + }, + 'playlist_mincount': 37, + }, { + 'url': 'https://soundcloud.com/the-akashic-chronicler/sets', + 'info_dict': { + 'id': '114582580', + 'title': 'The Akashic Chronicler (Playlists)', + }, + 'playlist_mincount': 2, + }, { + 'url': 'https://soundcloud.com/the-akashic-chronicler/reposts', + 'info_dict': { + 'id': '114582580', + 'title': 'The Akashic Chronicler (Reposts)', + }, + 'playlist_mincount': 7, + }, { + 'url': 'https://soundcloud.com/the-akashic-chronicler/likes', + 'info_dict': { + 'id': '114582580', + 'title': 'The Akashic Chronicler (Likes)', + }, + 'playlist_mincount': 321, + }, { + 'url': 'https://soundcloud.com/grynpyret/spotlight', + 'info_dict': { + 'id': '7098329', + 'title': 'Grynpyret (Spotlight)', + }, + 'playlist_mincount': 1, + }] + + _BASE_URL_MAP = { + 'all': '%s/profile/soundcloud:users:%%s' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE, + 'tracks': '%s/users/%%s/tracks' % SoundcloudPagedPlaylistBaseIE._API_BASE, + 'sets': '%s/users/%%s/playlists' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE, + 'reposts': '%s/profile/soundcloud:users:%%s/reposts' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE, + 'likes': '%s/users/%%s/likes' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE, + 'spotlight': '%s/users/%%s/spotlight' % SoundcloudPagedPlaylistBaseIE._API_V2_BASE, + } + + _TITLE_MAP = { + 'all': 'All', + 'tracks': 'Tracks', + 'sets': 'Playlists', + 'reposts': 'Reposts', + 'likes': 'Likes', + 'spotlight': 'Spotlight', + } + + def _real_extract(self, url): + mobj = re.match(self._VALID_URL, url) + uploader = mobj.group('user') + + url = 'https://soundcloud.com/%s/' % uploader + resolv_url = self._resolv_url(url) + user = self._download_json( + resolv_url, uploader, 'Downloading user info') + + resource = mobj.group('rsrc') or 'all' + + return self._extract_playlist( + self._BASE_URL_MAP[resource] % user['id'], compat_str(user['id']), + '%s (%s)' % (user['username'], self._TITLE_MAP[resource])) + + +class SoundcloudTrackStationIE(SoundcloudPagedPlaylistBaseIE): + _VALID_URL = r'https?://(?:(?:www|m)\.)?soundcloud\.com/stations/track/[^/]+/(?P<id>[^/?#&]+)' + IE_NAME = 'soundcloud:trackstation' + _TESTS = [{ + 'url': 'https://soundcloud.com/stations/track/officialsundial/your-text', + 'info_dict': { + 'id': '286017854', + 'title': 'Track station: your-text', + }, + 'playlist_mincount': 47, + }] + + def _real_extract(self, url): + track_name = self._match_id(url) + + webpage = self._download_webpage(url, track_name) + + track_id = self._search_regex( + r'soundcloud:track-stations:(\d+)', webpage, 'track id') + + return self._extract_playlist( + '%s/stations/soundcloud:track-stations:%s/tracks' + % (self._API_V2_BASE, track_id), + track_id, 'Track station: %s' % track_name) + + +class SoundcloudPlaylistIE(SoundcloudPlaylistBaseIE): + _VALID_URL = r'https?://api\.soundcloud\.com/playlists/(?P<id>[0-9]+)(?:/?\?secret_token=(?P<token>[^&]+?))?$' + IE_NAME = 'soundcloud:playlist' + _TESTS = [{ + 'url': 'https://api.soundcloud.com/playlists/4110309', + 'info_dict': { + 'id': '4110309', + 'title': 'TILT Brass - Bowery Poetry Club, August \'03 [Non-Site SCR 02]', + 'description': 're:.*?TILT Brass - Bowery Poetry Club', + }, + 'playlist_count': 6, + }] + + def _real_extract(self, url): + mobj = re.match(self._VALID_URL, url) + playlist_id = mobj.group('id') + base_url = '%s//api.soundcloud.com/playlists/%s.json?' % (self.http_scheme(), playlist_id) + + data_dict = { + 'client_id': self._CLIENT_ID, + } + token = mobj.group('token') + + if token: + data_dict['secret_token'] = token + + data = compat_urllib_parse_urlencode(data_dict) + data = self._download_json( + base_url + data, playlist_id, 'Downloading playlist') + + entries = self._extract_track_entries(data['tracks']) + + return { + '_type': 'playlist', + 'id': playlist_id, + 'title': data.get('title'), + 'description': data.get('description'), + 'entries': entries, + } + + +class SoundcloudSearchIE(SearchInfoExtractor, SoundcloudIE): + IE_NAME = 'soundcloud:search' + IE_DESC = 'Soundcloud search' + _MAX_RESULTS = float('inf') + _TESTS = [{ + 'url': 'scsearch15:post-avant jazzcore', + 'info_dict': { + 'title': 'post-avant jazzcore', + }, + 'playlist_count': 15, + }] + + _SEARCH_KEY = 'scsearch' + _MAX_RESULTS_PER_PAGE = 200 + _DEFAULT_RESULTS_PER_PAGE = 50 + _API_V2_BASE = 'https://api-v2.soundcloud.com' + + def _get_collection(self, endpoint, collection_id, **query): + limit = min( + query.get('limit', self._DEFAULT_RESULTS_PER_PAGE), + self._MAX_RESULTS_PER_PAGE) + query['limit'] = limit + query['client_id'] = self._CLIENT_ID + query['linked_partitioning'] = '1' + query['offset'] = 0 + data = compat_urllib_parse_urlencode(query) + next_url = '{0}{1}?{2}'.format(self._API_V2_BASE, endpoint, data) + + collected_results = 0 + + for i in itertools.count(1): + response = self._download_json( + next_url, collection_id, 'Downloading page {0}'.format(i), + 'Unable to download API page') + + collection = response.get('collection', []) + if not collection: + break + + collection = list(filter(bool, collection)) + collected_results += len(collection) + + for item in collection: + yield self.url_result(item['uri'], SoundcloudIE.ie_key()) + + if not collection or collected_results >= limit: + break + + next_url = response.get('next_href') + if not next_url: + break + + def _get_n_results(self, query, n): + tracks = self._get_collection('/search/tracks', query, limit=n, q=query) + return self.playlist_result(tracks, playlist_title=query)