Fixes for reconnect

python/brayns/api_generator.py

@@ -327,7 +327,7 @@ def function(self):
                 has_value = value.data
             else:
                 has_value = value.as_dict()
-            if not has_value:
+            if not has_value or not target_object.connected():
                 status = utils.http_request(HTTP_METHOD_GET, self.url(), property_name)
                 if status.code == HTTP_STATUS_OK:
                     if property_type == 'array':

python/brayns/client.py

@@ -177,6 +177,8 @@ def function_builder():
             """Wrapper for returning the animation_slider() function."""
             def animation_slider():
                 """.Show slider to control animation"""
+                self._setup_websocket()
+
                 # pylint: disable=F0401,E1101
                 import ipywidgets as widgets
                 from IPython.display import display

python/brayns/rpcclient.py

@@ -70,6 +70,10 @@ def url(self):
         """
         return self._url
 
+    def connected(self):
+        """Returns true if the websocket is connected to the remote Brayns instance."""
+        return self._ws_connected
+
     def request(self, method, params=None, response_timeout=5):  # pragma: no cover
         """
         Invoke an RPC on the remote running Brayns instance and wait for its reponse.

python/brayns/utils.py

@@ -68,7 +68,7 @@ def http_request(method, url, command, body=None, query_params=None):  # pragma:
     """
     full_url = url
     request = None
-    full_url = full_url + command
+    full_url += command
     try:
         if method == HTTP_METHOD_POST:
             if body == '':