From 5011cded16d15bb03c2f172ddae81499d764e28a Mon Sep 17 00:00:00 2001 From: dodo Date: Sun, 24 Mar 2013 02:24:07 +0100 Subject: [PATCH] SoundcloudSetIE info extractor for soundcloud sets --- youtube_dl/InfoExtractors.py | 82 ++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) diff --git a/youtube_dl/InfoExtractors.py b/youtube_dl/InfoExtractors.py index 835428f32..87a926068 100755 --- a/youtube_dl/InfoExtractors.py +++ b/youtube_dl/InfoExtractors.py @@ -2802,6 +2802,87 @@ def _real_extract(self, url): '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 + """ + + _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)' + IE_NAME = u'soundcloud' + + def __init__(self, downloader=None): + InfoExtractor.__init__(self, downloader) + + def report_resolve(self, video_id): + """Report information extraction.""" + self._downloader.to_screen(u'[%s] %s: Resolving id' % (self.IE_NAME, video_id)) + + def report_extraction(self, video_id): + """Report information extraction.""" + self._downloader.to_screen(u'[%s] %s: Retrieving stream' % (self.IE_NAME, video_id)) + + def _real_extract(self, url): + mobj = re.match(self._VALID_URL, url) + if mobj is None: + self._downloader.trouble(u'ERROR: invalid URL: %s' % url) + return + + # extract uploader (which is in the url) + uploader = mobj.group(1) + # extract simple title (uploader + slug of song title) + slug_title = mobj.group(2) + simple_title = uploader + u'-' + slug_title + + self.report_resolve('%s/sets/%s' % (uploader, slug_title)) + + url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title) + resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28' + request = compat_urllib_request.Request(resolv_url) + try: + info_json_bytes = compat_urllib_request.urlopen(request).read() + info_json = info_json_bytes.decode('utf-8') + except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: + self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err)) + return + + videos = [] + info = json.loads(info_json) + if 'errors' in info: + for err in info['errors']: + self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % compat_str(err['error_message'])) + return + + for track in info['tracks']: + video_id = track['id'] + self.report_extraction('%s/sets/%s' % (uploader, slug_title)) + + streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28' + request = compat_urllib_request.Request(streams_url) + try: + stream_json_bytes = compat_urllib_request.urlopen(request).read() + stream_json = stream_json_bytes.decode('utf-8') + except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: + self._downloader.trouble(u'ERROR: unable to download stream definitions: %s' % compat_str(err)) + return + + streams = json.loads(stream_json) + mediaURL = streams['http_mp3_128_url'] + + videos.append({ + 'id': video_id, + 'url': mediaURL, + 'uploader': track['user']['username'], + 'upload_date': track['created_at'], + 'title': track['title'], + 'ext': u'mp3', + 'description': track['description'], + }) + return videos + class InfoQIE(InfoExtractor): """Information extractor for infoq.com""" @@ -4187,6 +4268,7 @@ def gen_extractors(): EscapistIE(), CollegeHumorIE(), XVideosIE(), + SoundcloudSetIE(), SoundcloudIE(), InfoQIE(), MixcloudIE(),