Implemented SheerkaOntology

src/core/sheerka/services/sheerka_service.py

@@ -1,5 +1,8 @@
 from dataclasses import dataclass
 
+from core.global_symbols import NotFound
+from core.utils import sheerka_deepcopy
+
 
 @dataclass
 class ServiceObj:
@@ -21,6 +24,13 @@ class BaseService:
         """
         pass
 
+    def store_values(self, context, *args):
+        """
+        Use variable Manager to store the state of the service
+        """
+        for prop_name in args:
+            self.sheerka.record_var(context, self.NAME, prop_name, sheerka_deepcopy(getattr(self, prop_name)))
+
     def restore_values(self, *args):
         """
         Use Variable Manager to restore the state of a service
@@ -28,5 +38,5 @@ class BaseService:
         :return:
         """
         for prop_name in args:
-            if (value := self.sheerka.load_var(self.NAME, prop_name)) is not None:
+            if (value := self.sheerka.load_var(self.NAME, prop_name)) is not NotFound:
                 setattr(self, prop_name, value)