1 files changed, 129 insertions, 0 deletions
diff --git a/youtube_dl/extractor/soundcloud.py b/youtube_dl/extractor/soundcloud.py
new file mode 100644
index 000000000..80d7e1b54
--- /dev/null
+++ b/youtube_dl/extractor/soundcloud.py
@@ -0,0 +1,129 @@
+import json
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+    compat_str,
+
+    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-]+)'
+    IE_NAME = u'soundcloud'
+
+    def report_resolve(self, video_id):
+        """Report information extraction."""
+        self.to_screen(u'%s: Resolving id' % video_id)
+
+    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/%s' % (uploader, slug_title)
+
+        self.report_resolve(full_title)
+
+        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
+     """
+
+    _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)'
+    IE_NAME = u'soundcloud:set'
+
+    def report_resolve(self, video_id):
+        """Report information extraction."""
+        self.to_screen(u'%s: Resolving id' % video_id)
+
+    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 = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
+        info_json = self._download_webpage(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