[bambuser] Add an extractor for channels (closes #1702)

youtube_dl/extractor/__init__.py

@@ -9,7 +9,7 @@ from .arte import (
     ArteTVFutureIE,
 )
 from .auengine import AUEngineIE
-from .bambuser import BambuserIE
+from .bambuser import BambuserIE, BambuserChannelIE
 from .bandcamp import BandcampIE
 from .bliptv import BlipTVIE, BlipTVUserIE
 from .bloomberg import BloombergIE

youtube_dl/extractor/bambuser.py

@@ -1,10 +1,15 @@
 import re
 import json
+import itertools
 
 from .common import InfoExtractor
+from ..utils import (
+    compat_urllib_request,
+)
 
 
 class BambuserIE(InfoExtractor):
+    IE_NAME = u'bambuser'
     _VALID_URL = r'https?://bambuser\.com/v/(?P<id>\d+)'
     _API_KEY = '005f64509e19a868399060af746a00aa'
 
@@ -33,10 +38,43 @@ class BambuserIE(InfoExtractor):
             'id': video_id,
             'title': info['title'],
             'url': info['url'],
-            'thumbnail': info['preview'],
+            'thumbnail': info.get('preview'),
             'duration': int(info['length']),
             'view_count': int(info['views_total']),
             'uploader': info['username'],
             'uploader_id': info['uid'],
         }
 
+
+class BambuserChannelIE(InfoExtractor):
+    IE_NAME = u'bambuser:channel'
+    _VALID_URL = r'http://bambuser.com/channel/(?P<user>.*?)(?:/|#|\?|$)'
+    # The maximum number we can get with each request
+    _STEP = 50
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        user = mobj.group('user')
+        urls = []
+        last_id = ''
+        for i in itertools.count(1):
+            req_url = ('http://bambuser.com/xhr-api/index.php?username={user}'
+                '&sort=created&access_mode=0%2C1%2C2&limit={count}'
+                '&method=broadcast&format=json&vid_older_than={last}'
+                ).format(user=user, count=self._STEP, last=last_id)
+            req = compat_urllib_request.Request(req_url)
+            # Without setting this header, we wouldn't get any result
+            req.add_header('Referer', 'http://bambuser.com/channel/%s' % user)
+            info_json = self._download_webpage(req, user,
+                u'Downloading page %d' % i)
+            results = json.loads(info_json)['result']
+            if len(results) == 0:
+                break
+            last_id = results[-1]['vid']
+            urls.extend(self.url_result(v['page'], 'Bambuser') for v in results)
+
+        return {
+            '_type': 'playlist',
+            'title': user,
+            'entries': urls,
+        }