Added explicit types to Session interface methods

Author: idle-code

Session.py

@@ -9,28 +9,25 @@ def finish(self):
         pass
 
     def execute(self, target: NodePath, action, *arguments):
-        raise NotImplementedError("TreeView.execute method was not overridden")
+        raise NotImplementedError("Session.execute method was not overridden")
 
-    def get(self, target):
-        target = NodePath.cast(target)
+    def get(self, target: NodePath):
         return self.execute(target, 'get')
 
-    def set(self, target, new_value):
-        target = NodePath.cast(target)
+    def set(self, target: NodePath, new_value):
         return self.execute(target, 'set', new_value)
 
-    def list(self, target):
-        target = NodePath.cast(target)
+    def list(self, target: NodePath):
         return self.execute(target, 'list')
 
-    def exists(self, target):
+    def exists(self, target: NodePath):
         target = NodePath.cast(target)
         return self.execute(target.base_path, 'exists', target.base_name)
 
-    def create(self, target, value=None):
+    def create(self, target: NodePath, value=None):
         target = NodePath.cast(target)
         return self.execute(target.base_path, 'create', target.base_name, value)
 
-    def remove(self, target):
+    def remove(self, target: NodePath):
         target = NodePath.cast(target)
         return self.execute(target.base_path, 'remove', target.base_name)

todo.yaml

@@ -9,7 +9,7 @@ Tree backend:
   - In-tree links support?
   - Easy creation of custom nodes from python classes
     + @action decorator
-  - Virtual attributes:
+  - Virtual attributes
     - @name
     - @path
     - @parent
@@ -25,6 +25,7 @@ Functionality:
     - Temporary
       - select(ed)
       - copy/cut/paste
+      - user session separation
     - Transaction
       - system settings update
     - Network transport