change isinstance check to issublass

src/mvvm_lib/bindings_map.py

@@ -10,7 +10,8 @@ bindings_map: Dict[str, Any] = {}
 
 
 def update_bindings_map(source: Any, value: Any) -> None:
-    if isinstance(source, BaseModel):
+    #    if isinstance(source, BaseModel):
+    if issubclass(type(source), BaseModel):
         fields = rget_list_of_fields(source)
         for field in fields:
             bindings_map[field] = value

src/mvvm_lib/interface.py

 """Abstract interfaces and type definitions."""
 
 from abc import ABC, abstractmethod
-from typing import Any, Callable, Dict, Optional, Union
+from typing import Any, Callable, Optional, Union
 
-LinkedObjectType = Optional[Union[object, Dict[str, Any], Callable]]
+LinkedObjectType = Optional[Any]
 LinkedObjectAttributesType = Optional[list[str]]
 CallbackAfterUpdateType = Optional[Callable[[Optional[str]], None]]
 ConnectCallbackType = Union[None, Callable[[Any, Optional[str]], None]]

src/mvvm_lib/pyqt6_binding/binding.py

@@ -41,7 +41,7 @@ class Communicator(QObject):
         self.callback_after_update = callback_after_update
 
     def _update_viewmodel_callback(self, key: Optional[str] = None, value: Any = None) -> None:
-        if isinstance(self.viewmodel_linked_object, BaseModel):
+        if issubclass(type(value), BaseModel):
             model = self.viewmodel_linked_object.copy(deep=True)
             rsetattr(model, key or "", value)
             try:

src/mvvm_lib/trame_binding/binding.py

@@ -58,7 +58,7 @@ class TrameCommunicator(Communicator):
         if (
             viewmodel_linked_object
             and not isinstance(viewmodel_linked_object, dict)
-            and not isinstance(viewmodel_linked_object, BaseModel)
+            and not issubclass(type(viewmodel_linked_object), BaseModel)
             and not is_callable(viewmodel_linked_object)
         ):
             if not linked_object_attributes:
@@ -90,7 +90,7 @@ class CallBackConnection:
         self.linked_object_attributes = communicator.linked_object_attributes
 
     def _update_viewmodel_callback(self, value: Any, key: Optional[str] = None) -> None:
-        if isinstance(self.viewmodel_linked_object, BaseModel):
+        if self.viewmodel_linked_object and issubclass(type(self.viewmodel_linked_object), BaseModel):
             model = self.viewmodel_linked_object.copy(deep=True)
             rsetattr(model, key or "", value)
             try:
@@ -179,7 +179,7 @@ class StateConnection:
                 @self.state.change(state_variable_name)
                 def update_viewmodel_callback(**kwargs: dict) -> None:
                     success = True
-                    if isinstance(self.viewmodel_linked_object, BaseModel):
+                    if self.viewmodel_linked_object and issubclass(type(self.viewmodel_linked_object), BaseModel):
                         json_str = json.dumps(kwargs[state_variable_name])
                         try:
                             model = self.viewmodel_linked_object.model_validate_json(json_str)
@@ -197,7 +197,7 @@ class StateConnection:
                         self.viewmodel_callback_after_update(state_variable_name)
 
     def update_in_view(self, value: Any) -> None:
-        if hasattr(value, "model_dump"):
+        if issubclass(type(value), BaseModel):
             value = value.model_dump()
         if self.linked_object_attributes:
             for attribute_name in self.linked_object_attributes: