Implement getting info about current live stream

twitch.py

@@ -46,6 +46,21 @@ class Twitch(object):
                 break
         return result
 
+    def _get_stream_info(self, user_id):
+        def request():
+            url = '{0}/streams/{1}'.format(self.api_url, user_id)
+            params = dict(client_id=self.client_id)
+            r = requests.get(url, params=params)
+            r.raise_for_status()
+            return r.json()
+        data = request()
+        if data['stream'] is None:
+            return None
+        return dict(
+            id=int(data['stream']['_id']),
+            game=data['stream']['game'],
+            viewers=int(data['stream']['viewers']))
+
     def get_messages(self, user_id, since):
         try:
             videos = self._get_videos(user_id)
@@ -61,3 +76,11 @@ class Twitch(object):
             return None
         else:
             return result
+
+    def get_stream_info(self, user_id):
+        try:
+            return self._get_stream_info(user_id)
+        except requests.exceptions.HTTPError as e:
+            if self.log:
+                self.log.error('Failed to get stream info: %s', str(e))
+            return None