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import jsonimport reimport itertools
from .common import InfoExtractorfrom ..utils import ( compat_str, compat_urlparse, compat_urllib_parse,
ExtractorError, unified_strdate,)
class SoundcloudIE(InfoExtractor): """Information extractor for soundcloud.com
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 """
_VALID_URL = r'''^(?:https?://)?
(?:(?:(?:www\.)?soundcloud\.com/([\w\d-]+)/([\w\d-]+)/?(?:[?].*)?$) |(?:api\.soundcloud\.com/tracks/(?P<track_id>\d+)) |(?P<widget>w.soundcloud.com/player/?.*?url=.*) ) '''
IE_NAME = u'soundcloud' _TESTS = [ { u'url': u'http://soundcloud.com/ethmusic/lostin-powers-she-so-heavy', u'file': u'62986583.mp3', u'md5': u'ebef0a451b909710ed1d7787dddbf0d7', u'info_dict': { u"upload_date": u"20121011", u"description": u"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", u"uploader": u"E.T. ExTerrestrial Music", u"title": u"Lostin Powers - She so Heavy (SneakPreview) Adrian Ackers Blueprint 1" } }, # not streamable song { u'url': u'https://soundcloud.com/the-concept-band/goldrushed-mastered?in=the-concept-band/sets/the-royal-concept-ep', u'info_dict': { u'id': u'47127627', u'ext': u'mp3', u'title': u'Goldrushed', u'uploader': u'The Royal Concept', u'upload_date': u'20120521', }, u'params': { # rtmp u'skip_download': True, }, }, ]
_CLIENT_ID = 'b45b1aa10f1ac2941910a7f0d10f8e28' _IPHONE_CLIENT_ID = '376f225bf427445fc4bfb6b99b72e0bf'
@classmethod def suitable(cls, url): return re.match(cls._VALID_URL, url, flags=re.VERBOSE) is not None
def report_resolve(self, video_id): """Report information extraction.""" self.to_screen(u'%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): track_id = compat_str(info['id']) name = full_title or track_id if quiet: self.report_extraction(name)
thumbnail = info['artwork_url'] if thumbnail is not None: thumbnail = thumbnail.replace('-large', '-t500x500') ext = info.get('original_format', u'mp3') result = { 'id': track_id, 'uploader': info['user']['username'], 'upload_date': unified_strdate(info['created_at']), 'title': info['title'], 'description': info['description'], 'thumbnail': thumbnail, } if info.get('downloadable', False): # We can build a direct link to the song format_url = ( u'https://api.soundcloud.com/tracks/{0}/download?client_id={1}'.format( track_id, self._CLIENT_ID)) result['formats'] = [{ 'format_id': 'download', 'ext': ext, 'url': format_url, 'vcodec': 'none', }] else: # We have to retrieve the url stream_json = self._download_webpage( 'http://api.soundcloud.com/i1/tracks/{0}/streams?client_id={1}'.format(track_id, self._IPHONE_CLIENT_ID), track_id, u'Downloading track url')
formats = [] format_dict = json.loads(stream_json) for key, stream_url in format_dict.items(): if key.startswith(u'http'): formats.append({ 'format_id': key, 'ext': ext, 'url': stream_url, 'vcodec': 'none', }) elif key.startswith(u'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': ext, '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': u'fallback', 'url': info['stream_url'] + '?client_id=' + self._CLIENT_ID, 'ext': ext, 'vcodec': 'none', })
def format_pref(f): if f['format_id'].startswith('http'): return 2 if f['format_id'].startswith('rtmp'): return 1 return 0
formats.sort(key=format_pref) result['formats'] = formats
return result
def _real_extract(self, url): mobj = re.match(self._VALID_URL, url, flags=re.VERBOSE) if mobj is None: raise ExtractorError(u'Invalid URL: %s' % url)
track_id = mobj.group('track_id') 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 elif mobj.group('widget'): query = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query) return self.url_result(query['url'][0], ie='Soundcloud') else: # 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) self.report_resolve(full_title) url = 'http://soundcloud.com/%s/%s' % (uploader, slug_title) info_json_url = self._resolv_url(url) info_json = self._download_webpage(info_json_url, full_title, u'Downloading info JSON')
info = json.loads(info_json) return self._extract_info_dict(info, full_title)
class SoundcloudSetIE(SoundcloudIE): _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)(?:[?].*)?$' IE_NAME = u'soundcloud:set' # it's in tests/test_playlists.py _TESTS = []
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) # extract simple title (uploader + slug of song title) slug_title = mobj.group(2) full_title = '%s/sets/%s' % (uploader, slug_title)
self.report_resolve(full_title)
url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title) resolv_url = self._resolv_url(url) info_json = self._download_webpage(resolv_url, full_title)
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) return {'_type': 'playlist', 'entries': [self._extract_info_dict(track) for track in info['tracks']], 'id': info['id'], 'title': info['title'], }
class SoundcloudUserIE(SoundcloudIE): _VALID_URL = r'https?://(www\.)?soundcloud.com/(?P<user>[^/]+)(/?(tracks/)?)?(\?.*)?$' IE_NAME = u'soundcloud:user'
# it's in tests/test_playlists.py _TESTS = []
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_json = self._download_webpage(resolv_url, uploader, u'Downloading user info') user = json.loads(user_json)
tracks = [] for i in itertools.count(): data = compat_urllib_parse.urlencode({'offset': i*50, 'client_id': self._CLIENT_ID, }) tracks_url = 'http://api.soundcloud.com/users/%s/tracks.json?' % user['id'] + data response = self._download_webpage(tracks_url, uploader, u'Downloading tracks page %s' % (i+1)) new_tracks = json.loads(response) tracks.extend(self._extract_info_dict(track, quiet=True) for track in new_tracks) if len(new_tracks) < 50: break
return { '_type': 'playlist', 'id': compat_str(user['id']), 'title': user['username'], 'entries': tracks, }
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