Enhanced ExecutionContext to keep track of the execution flow

sdp/sheerkaDataProvider.py

@@ -656,6 +656,30 @@ class SheerkaDataProvider:
         with self.io.open(target_path, "rb") as f:
             return self.serializer.deserialize(f, None)
 
+    def save_result(self, execution_context):
+        """
+        Save the execution context associated with an event
+        To make a long story short,
+        for every single user input, there is an event (which is the first thing that is created)
+        and a result (the ExecutionContext created by sheerka.evaluate_user_input()
+        :param execution_context:
+        :return:
+        """
+        digest = execution_context.event.get_digest()
+        self.log.debug(f"Saving execution context. digest={digest}")
+        target_path = self.io.get_obj_path(SheerkaDataProvider.EventFolder, digest) + "_result"
+        if self.io.exists(target_path):
+            return digest
+
+        self.io.write_binary(target_path, self.serializer.serialize(execution_context, None).read())
+        return digest
+
+    def load_result(self, digest):
+        target_path = self.io.get_obj_path(SheerkaDataProvider.EventFolder, digest) + "_result"
+
+        with self.io.open(target_path, "rb") as f:
+            return self.serializer.deserialize(f, None)
+
     def save_state(self, state: State):
         digest = state.get_digest()
         self.log.debug(f"Saving new state. digest={digest}")