get_object_attr_from_path expects string instead of list now

src/pydase/data_service/data_service_observer.py

@@ -8,7 +8,7 @@ from pydase.observer_pattern.observable.observable_object import ObservableObjec
 from pydase.observer_pattern.observer.property_observer import (
     PropertyObserver,
 )
-from pydase.utils.helpers import get_object_attr_from_path_list
+from pydase.utils.helpers import get_object_attr_from_path
 from pydase.utils.serialization.serializer import SerializedObject, dump
 
 logger = logging.getLogger(__name__)
@@ -92,7 +92,7 @@ class DataServiceObserver(PropertyObserver):
             if prop not in self.changing_attributes:
                 self._notify_changed(
                     prop,
-                    get_object_attr_from_path_list(self.observable, prop.split(".")),
+                    get_object_attr_from_path(self.observable, prop),
                 )
 
     def add_notification_callback(

src/pydase/data_service/state_manager.py

@@ -8,7 +8,7 @@ from typing import TYPE_CHECKING, Any, cast
 import pydase.units as u
 from pydase.data_service.data_service_cache import DataServiceCache
 from pydase.utils.helpers import (
-    get_object_attr_from_path_list,
+    get_object_attr_from_path,
     is_property_attribute,
     parse_list_attr_and_index,
 )
@@ -235,23 +235,25 @@ class StateManager:
             return float(value)
         return value
 
-    def __update_attribute_by_path(self, path: str, value: Any) -> None:
+    def __update_attribute_by_path(
-        parent_path_list, attr_name = path.split(".")[:-1], path.split(".")[-1]
+        self, path: str, serialized_value: SerializedObject
+    ) -> None:
+        parent_path, attr_name = ".".join(path.split(".")[:-1]), path.split(".")[-1]
 
         # If attr_name corresponds to a list entry, extract the attr_name and the
         # index
         attr_name, index = parse_list_attr_and_index(attr_name)
 
         # Update path to reflect the attribute without list indices
-        path = ".".join([*parent_path_list, attr_name])
+        path = f"{parent_path}.{attr_name}" if parent_path != "" else attr_name
 
         attr_cache_type = get_nested_dict_by_path(self.cache_value, path)["type"]
 
         # Traverse the object according to the path parts
-        target_obj = get_object_attr_from_path_list(self.service, parent_path_list)
+        target_obj = get_object_attr_from_path(self.service, parent_path)
 
         if attr_cache_type in ("ColouredEnum", "Enum"):
-            enum_attr = get_object_attr_from_path_list(target_obj, [attr_name])
+            enum_attr = get_object_attr_from_path(target_obj, attr_name)
             # take the value of the existing enum class
             # TODO: this might break when you set a value from a different enum
             if isinstance(value, enum.Enum):
@@ -271,10 +273,11 @@ class StateManager:
         attributes default to being loadable.
         """
 
-        parent_object = get_object_attr_from_path_list(
+        parent_path, attr_name = (
-            self.service, full_access_path.split(".")[:-1]
+            ".".join(full_access_path.split(".")[:-1]),
+            full_access_path.split(".")[-1],
         )
-        attr_name = full_access_path.split(".")[-1]
+        parent_object = get_object_attr_from_path(self.service, parent_path)
 
         if is_property_attribute(parent_object, attr_name):
             prop = getattr(type(parent_object), attr_name)

src/pydase/server/web_server/sio_setup.py

@@ -7,7 +7,7 @@ import socketio  # type: ignore[import-untyped]
 
 from pydase.data_service.data_service_observer import DataServiceObserver
 from pydase.data_service.state_manager import StateManager
-from pydase.utils.helpers import get_object_attr_from_path_list
+from pydase.utils.helpers import get_object_attr_from_path
 from pydase.utils.logging import SocketIOHandler
 from pydase.utils.serialization.deserializer import Deserializer, loads
 from pydase.utils.serialization.serializer import SerializedObject, dump
@@ -154,8 +154,8 @@ def setup_sio_events(sio: socketio.AsyncServer, state_manager: StateManager) ->
     @sio.event
     async def trigger_method(sid: str, data: TriggerMethodDict) -> Any:
         try:
-            method = get_object_attr_from_path_list(
+            method = get_object_attr_from_path(
-                state_manager.service, data["access_path"].split(".")
+                state_manager.service, data["access_path"]
             )
             args = Deserializer.deserialize(data["args"])
             kwargs: dict[str, Any] = Deserializer.deserialize(data["kwargs"])

src/pydase/utils/helpers.py

@@ -30,13 +30,13 @@ def get_class_and_instance_attributes(obj: object) -> dict[str, Any]:
     return dict(chain(type(obj).__dict__.items(), obj.__dict__.items()))
 
 
-def get_object_attr_from_path_list(target_obj: Any, path: list[str]) -> Any:
+def get_object_attr_from_path(target_obj: Any, path: str) -> Any:
     """
     Traverse the object tree according to the given path.
 
     Args:
         target_obj: The root object to start the traversal from.
-        path: A list of attribute names representing the path to traverse.
+        path: Access path of the object.
 
     Returns:
         The attribute at the end of the path. If the path includes a list index,
@@ -46,7 +46,8 @@ def get_object_attr_from_path_list(target_obj: Any, path: list[str]) -> Any:
     Raises:
         ValueError: If a list index in the path is not a valid integer.
     """
-    for part in path:
+    path_list = path.split(".") if path != "" else []
+    for part in path_list:
         try:
             # Try to split the part into attribute and index
             attr, index_str = part.split("[", maxsplit=1)