fix(control): expose get_current_object_uuid() on proxy API

Internal ObjectView.get_current_item_id() had no public proxy counterpart,
forcing callers (and AI assistants) to fetch the full current object just to
read its UUID.

(cherry picked from commit 0fe8a02)

Author: PierreRaybaut

datalab/control/baseproxy.py

@@ -380,6 +380,14 @@ def get_sel_object_uuids(self, include_groups: bool = False) -> list[str]:
             List of selected objects uuids.
         """
 
+    @abc.abstractmethod
+    def get_current_object_uuid(self) -> str | None:
+        """Return current object uuid in current panel.
+
+        Returns:
+            UUID of the current object, or None if no object is current.
+        """
+
     @abc.abstractmethod
     def select_objects(
         self,
@@ -815,6 +823,14 @@ def get_sel_object_uuids(self, include_groups: bool = False) -> list[str]:
         """
         return self._datalab.get_sel_object_uuids(include_groups)
 
+    def get_current_object_uuid(self) -> str | None:
+        """Return current object uuid in current panel.
+
+        Returns:
+            UUID of the current object, or None if no object is current.
+        """
+        return self._datalab.get_current_object_uuid()
+
     def add_group(
         self, title: str, panel: str | None = None, select: bool = False
     ) -> None:

datalab/control/remote.py

@@ -483,6 +483,15 @@ def get_sel_object_uuids(self, include_groups: bool = False) -> list[str]:
         """
         return self.win.get_sel_object_uuids(include_groups)
 
+    @remote_call
+    def get_current_object_uuid(self) -> str | None:
+        """Return current object uuid in current panel.
+
+        Returns:
+            UUID of the current object, or None if no object is current.
+        """
+        return self.win.get_current_object_uuid()
+
     @remote_call
     def add_group(
         self, title: str, panel: str | None = None, select: bool = False

datalab/gui/main.py

@@ -410,6 +410,16 @@ def get_sel_object_uuids(self, include_groups: bool = False) -> list[str]:
         panel = self.__get_current_basedatapanel()
         return panel.objview.get_sel_object_uuids(include_groups)
 
+    @remote_controlled
+    def get_current_object_uuid(self) -> str | None:
+        """Return current object uuid in current panel.
+
+        Returns:
+            UUID of the current object, or None if no object is current.
+        """
+        panel = self.__get_current_basedatapanel()
+        return panel.objview.get_current_object_uuid()
+
     @remote_controlled
     def add_group(
         self,

datalab/gui/objectview.py

@@ -765,6 +765,11 @@ def get_current_object(self) -> SignalObj | ImageObj | None:
             return self.objmodel[oid]
         return None
 
+    def get_current_object_uuid(self) -> str | None:
+        """Return current object uuid, or None if current item is a group
+        or if no item is current"""
+        return self.get_current_item_id(object_only=True)
+
     def set_current_object(self, obj: SignalObj | ImageObj) -> None:
         """Set current object"""
         self.set_current_item_id(get_uuid(obj))

datalab/tests/features/control/remoteclient_unit.py

@@ -36,6 +36,7 @@ def multiple_commands(remote: RemoteProxy):
         area = rect.get_rect()
         remote.add_annotations_from_items([rect])
         uuid = remote.get_sel_object_uuids()[0]
+        assert remote.get_current_object_uuid() == uuid
         items = remote.get_object_shapes()
         assert len(items) == 1 and items[0].get_rect() == area
         remote.add_label_with_title(f"Image uuid: {uuid}")