X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/bddc9fc577d16b1428924bf8a5c37ef1d9295f14..83c8b40add31fb501d587b64fb17a936ffd5dbc5:/youtube_dl/extractor/soundcloud.py

diff --git a/youtube_dl/extractor/soundcloud.py b/youtube_dl/extractor/soundcloud.py
index 80d7e1b..5a201ea 100644
--- a/youtube_dl/extractor/soundcloud.py
+++ b/youtube_dl/extractor/soundcloud.py
@@ -1,11 +1,21 @@
-import json
+# coding: utf-8
+from __future__ import unicode_literals
+
 import re
+import itertools
 
-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,
 )
 
@@ -19,111 +29,531 @@ 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/
+                            (?P<uploader>[\w\d-]+)/
+                            (?!(?:tracks|sets(?:/.+?)?|reposts|likes|spotlight)/?(?:$|[?#]))
+                            (?P<title>[\w\d-]+)/?
+                            (?P<token>[^?]+?)?(?:[?].*)?$)
+                       |(?: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',
+            },
+        },
+    ]
+
+    _CLIENT_ID = 'fDoItMDbsbZz8dY16ZzARCZmzgHBPotA'
+    _IPHONE_CLIENT_ID = '376f225bf427445fc4bfb6b99b72e0bf'
+
+    @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 'http://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')
+        if isinstance(thumbnail, compat_str):
+            thumbnail = thumbnail.replace('-large', '-t500x500')
+        ext = 'mp3'
+        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 = []
+        if info.get('downloadable', False):
+            # We can build a direct link to the song
+            format_url = (
+                'https://api.soundcloud.com/tracks/{0}/download?client_id={1}'.format(
+                    track_id, self._CLIENT_ID))
+            formats.append({
+                'format_id': 'download',
+                'ext': info.get('original_format', 'mp3'),
+                'url': format_url,
+                'vcodec': 'none',
+                'preference': 10,
+            })
+
+        # We have to retrieve the url
+        streams_url = ('http://api.soundcloud.com/i1/tracks/{0}/streams?'
+                       'client_id={1}&secret_token={2}'.format(track_id, self._IPHONE_CLIENT_ID, secret_token))
+        format_dict = self._download_json(
+            streams_url,
+            track_id, 'Downloading track url')
+
+        for key, stream_url in format_dict.items():
+            if key.startswith('http'):
+                formats.append({
+                    'format_id': key,
+                    'ext': ext,
+                    'url': stream_url,
+                    'vcodec': 'none',
+                })
+            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)
+                formats.append({
+                    'format_id': key,
+                    'url': url,
+                    'play_path': 'mp3:' + path,
+                    'ext': 'flv',
+                    'vcodec': 'none',
+                })
+
+            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': info['stream_url'] + '?client_id=' + self._CLIENT_ID,
+                    'ext': ext,
+                    'vcodec': 'none',
+                })
+
+            for f in formats:
+                if f['format_id'].startswith('http'):
+                    f['protocol'] = 'http'
+                if f['format_id'].startswith('rtmp'):
+                    f['protocol'] = 'rtmp'
+
+        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 = 'http://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 = 'http://soundcloud.com/%s' % resolve_title
+            info_json_url = self._resolv_url(url)
+        info = self._download_json(info_json_url, full_title, 'Downloading info JSON')
 
-    def report_resolve(self, video_id):
-        """Report information extraction."""
-        self.to_screen(u'%s: Resolving id' % video_id)
+        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')]
+
+
+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': 6,
+    }, {
+        '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 = 'http://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 SoundcloudUserIE(SoundcloudPlaylistBaseIE):
+    _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,
+    }]
+
+    _API_BASE = 'https://api.soundcloud.com'
+    _API_V2_BASE = 'https://api-v2.soundcloud.com'
+
+    _BASE_URL_MAP = {
+        'all': '%s/profile/soundcloud:users:%%s' % _API_V2_BASE,
+        'tracks': '%s/users/%%s/tracks' % _API_BASE,
+        'sets': '%s/users/%%s/playlists' % _API_V2_BASE,
+        'reposts': '%s/profile/soundcloud:users:%%s/reposts' % _API_V2_BASE,
+        'likes': '%s/users/%%s/likes' % _API_V2_BASE,
+        'spotlight': '%s/users/%%s/spotlight' % _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 = 'http://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'
+        base_url = self._BASE_URL_MAP[resource] % user['id']
+
+        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, uploader, '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': compat_str(user['id']),
+            'title': '%s (%s)' % (user['username'], self._TITLE_MAP[resource]),
+            'entries': entries,
+        }
+
+
+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': 'http://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)