Temporarily disable file delete action

src/primaite/game/agent/actions.py

@@ -296,6 +296,16 @@ class NodeFileDeleteAction(NodeFileAbstractAction):
         super().__init__(manager, num_nodes=num_nodes, num_folders=num_folders, num_files=num_files, **kwargs)
         self.verb: str = "delete"
 
+    def form_request(self, node_id: int, folder_id: int, file_id: int) -> List[str]:
+        """Return the action formatted as a request which can be ingested by the PrimAITE simulation."""
+        node_uuid = self.manager.get_node_uuid_by_idx(node_id)
+        folder_uuid = self.manager.get_folder_uuid_by_idx(node_idx=node_id, folder_idx=folder_id)
+        file_uuid = self.manager.get_file_uuid_by_idx(node_idx=node_id, folder_idx=folder_id, file_idx=file_id)
+        if node_uuid is None or folder_uuid is None or file_uuid is None:
+            return ["do_nothing"]
+        return ["do_nothing"]
+        # return ["network", "node", node_uuid, "file_system", "delete", "file", folder_uuid, file_uuid]
+
 
 class NodeFileRepairAction(NodeFileAbstractAction):
     """Action which repairs a file."""

src/primaite/game/agent/rewards.py

@@ -110,6 +110,13 @@ class DatabaseFileIntegrity(AbstractReward):
         :type state: Dict
         """
         database_file_state = access_from_nested_dict(state, self.location_in_state)
+        if database_file_state is NOT_PRESENT_IN_STATE:
+            _LOGGER.info(
+                f"Could not calculate {self.__class__} reward because "
+                "simulation state did not contain enough information."
+            )
+            return 0.0
+
         health_status = database_file_state["health_status"]
         if health_status == 2:
             return -1

src/primaite/simulator/file_system/folder.py

@@ -276,7 +276,7 @@ class Folder(FileSystemItemABC):
             self.deleted_files[file.uuid] = file
             file.delete()
             self.sys_log.info(f"Removed file {file.name} (id: {file.uuid})")
-            self._file_request_manager.remove_request(file.uuid)
+            # self._file_request_manager.remove_request(file.uuid)
         else:
             _LOGGER.debug(f"File with UUID {file.uuid} was not found.")
 

src/primaite/simulator/system/services/database/database_service.py

@@ -84,6 +84,10 @@ class DatabaseService(Service):
         ftp_client_service: FTPClient = software_manager.software.get("FTPClient")
 
         # send backup copy of database file to FTP server
+        if not self.db_file:
+            self.sys_log.error("Attempted to backup database file but it doesn't exist.")
+            return False
+
         response = ftp_client_service.send_file(
             dest_ip_address=self.backup_server_ip,
             src_file_name=self.db_file.name,