From ccf65f9deee0edb007222aa957f4da6516478ae3 Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Sun, 27 Jan 2013 03:01:23 +0100
Subject: [PATCH] 8tracks IE (Closes #652)

---
 test/tests.json              | 62 ++++++++++++++++++++++++++++++++++++
 youtube_dl/InfoExtractors.py | 45 ++++++++++++++++++++++++--
 2 files changed, 105 insertions(+), 2 deletions(-)

diff --git a/test/tests.json b/test/tests.json
index ef12d3019..a46ff491b 100644
--- a/test/tests.json
+++ b/test/tests.json
@@ -235,5 +235,67 @@
       "title": "PEOPLE ARE AWESOME 2013",
       "duration": 279
     }
+  },
+  {
+    "name": "EightTracks",
+    "url": "http://8tracks.com/ytdl/youtube-dl-test-tracks-a",
+    "playlist": [
+      {
+        "file": "11885610.m4a",
+        "md5": "96ce57f24389fc8734ce47f4c1abcc55",
+        "info_dict": {
+          "title": "youtube-dl test track 1 \"'/\\\u00e4\u21ad"
+        }
+      },
+      {
+        "file": "11885608.m4a",
+        "md5": "4ab26f05c1f7291ea460a3920be8021f",
+        "info_dict": {
+          "title": "youtube-dl test track 2 \"'/\\\u00e4\u21ad"
+        }
+      },
+      {
+        "file": "11885679.m4a",
+        "md5": "d30b5b5f74217410f4689605c35d1fd7",
+        "info_dict": {
+          "title": "youtube-dl test track 3 \"'/\\\u00e4\u21ad"
+        }
+      },
+      {
+        "file": "11885680.m4a",
+        "md5": "4eb0a669317cd725f6bbd336a29f923a",
+        "info_dict": {
+          "title": "youtube-dl test track 4 \"'/\\\u00e4\u21ad"
+        }
+      },
+      {
+        "file": "11885682.m4a",
+        "md5": "1893e872e263a2705558d1d319ad19e8",
+        "info_dict": {
+          "title": "youtube-dl test track 5 \"'/\\\u00e4\u21ad"
+        }
+      },
+      {
+        "file": "11885683.m4a",
+        "md5": "b673c46f47a216ab1741ae8836af5899",
+        "info_dict": {
+          "title": "youtube-dl test track 6 \"'/\\\u00e4\u21ad"
+        }
+      },
+      {
+        "file": "11885684.m4a",
+        "md5": "1d74534e95df54986da7f5abf7d842b7",
+        "info_dict": {
+          "title": "youtube-dl test track 7 \"'/\\\u00e4\u21ad"
+        }
+      },
+      {
+        "file": "11885685.m4a",
+        "md5": "f081f47af8f6ae782ed131d38b9cd1c0",
+        "info_dict": {
+          "title": "youtube-dl test track 8 \"'/\\\u00e4\u21ad"
+        }
+      }
+    ]
   }
 ]
diff --git a/youtube_dl/InfoExtractors.py b/youtube_dl/InfoExtractors.py
index a708cc750..50a5a5cfb 100755
--- a/youtube_dl/InfoExtractors.py
+++ b/youtube_dl/InfoExtractors.py
@@ -5,6 +5,7 @@
 
 import base64
 import datetime
+import itertools
 import netrc
 import os
 import re
@@ -3812,8 +3813,6 @@ def _real_extract(self, url):
 
         return [info]
 
-
-
 class YouJizzIE(InfoExtractor):
     """Information extractor for youjizz.com."""
     _VALID_URL = r'^(?:https?://)?(?:\w+\.)?youjizz\.com/videos/(?P<videoid>[^.]+).html$'
@@ -3860,6 +3859,47 @@ def _real_extract(self, url):
 
         return [info]
 
+class EightTracksIE(InfoExtractor):
+    IE_NAME = '8tracks'
+    _VALID_URL = r'https?://8tracks.com/(?P<user>[^/]+)/(?P<id>[^/]+)'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        if mobj is None:
+            raise ExtractorError(u'Invalid URL: %s' % url)
+        playlist_id = mobj.group('id')
+
+        webpage = self._download_webpage(url, playlist_id)
+
+        m = re.search(r"new TRAX.Mix\((.*?)\);\n*\s*TRAX.initSearchAutocomplete\('#search'\);", webpage, flags=re.DOTALL)
+        if not m:
+            raise ExtractorError(u'Cannot find trax information')
+        json_like = m.group(1)
+        data = json.loads(json_like)
+
+        session = str(random.randint(0, 1000000000))
+        mix_id = data['id']
+        track_count = data['tracks_count']
+        first_url = 'http://8tracks.com/sets/%s/play?player=sm&mix_id=%s&format=jsonh' % (session, mix_id)
+        next_url = first_url
+        res = []
+        for i in itertools.count():
+            api_json = self._download_webpage(next_url, playlist_id,
+                note=u'Downloading song information %s/%s' % (str(i+1), track_count),
+                errnote=u'Failed to download song information')
+            api_data = json.loads(api_json)
+            track_data = api_data[u'set']['track']
+            info = {
+                'id': track_data['id'],
+                'url': track_data['track_file_stream_url'],
+                'title': track_data['name'],
+                'ext': 'm4a',
+            }
+            res.append(info)
+            if api_data['set']['at_last_track']:
+                break
+            next_url = 'http://8tracks.com/sets/%s/next?player=sm&mix_id=%s&format=jsonh&track_id=%s' % (session, mix_id, track_data['id'])
+        return res
 
 def gen_extractors():
     """ Return a list of an instance of every supported extractor.
@@ -3906,6 +3946,7 @@ def gen_extractors():
         SteamIE(),
         UstreamIE(),
         RBMARadioIE(),
+        EightTracksIE(),
         GenericIE()
     ]