Add support for listen-count endpoint (metabrainz#7)

pylistenbrainz/client.py

@@ -405,3 +405,20 @@ def get_user_recommendation_recordings(self, username, artist_type='top', count=
                 return None
             else:
                 raise
+
+    def get_user_listen_count(self, username):
+        """ Get total number of listens for user
+        
+        :param username: The username of the user whose listens are to be fetched
+        :type username: str
+        
+        :return: Number of listens returned by the Listenbrainz API
+        :rtype: int
+        """ 
+        try:
+            return self._get('/1/user/{}/listen-count'.format(username))['payload']['count']
+        except errors.ListenBrainzAPIException as e:
+            if e.status_code == 204:
+                return None
+            else:
+                raise

pylistenbrainz/tests/test_client.py

@@ -326,3 +326,14 @@ def test_get_user_recommendation_recordings(self, mock_requests_get):
                    },
             headers={},
         )
+
+    def test_get_user_listen_count(self):
+        self.client._get = mock.MagicMock()
+
+        test_response = {"payload":{"count":111487}}
+        self.client._get.return_value = test_response
+        returned_count = self.client.get_user_listen_count('iliekcomputers')
+        self.client._get.assert_called_once_with('/1/user/iliekcomputers/listen-count')
+
+        self.assertEqual(returned_count, test_response['payload']['count'])
+