expose delete method to Node class

opcua/common/node.py

@@ -485,6 +485,18 @@ class Node(object):
         result = self.server.history_read(params)[0]
         return result
 
+    def delete(self, delete_references=True):
+        """
+        Delete node from address space
+        """
+        ditem = ua.DeleteNodesItem()
+        ditem.NodeId = self.nodeid
+        ditem.DeleteTargetReferences = delete_references
+        params = ua.DeleteNodesParameters()
+        params.NodesToDelete = [ditem]
+        result = self.server.delete_nodes(params)
+        result[0].check()
+
     def add_folder(self, nodeid, bname):
         return  opcua.common.manage_nodes.create_folder(self, nodeid, bname)
  
@@ -513,4 +525,4 @@ class Node(object):
         return opcua.common.manage_nodes.create_reference_type(parent, nodeid, bname)
     
     def call_method(parent, methodid, *args):
-        return opcua.common.methods.call_method(parent, methodid, *args)
\ No newline at end of file
+        return opcua.common.methods.call_method(parent, methodid, *args)

opcua/server/address_space.py

@@ -276,7 +276,7 @@ class NodeManagementService(object):
 
     def delete_nodes(self, deletenodeitems, user=User.Admin):
         results = []
-        for item in deletenodeitems:
+        for item in deletenodeitems.NodesToDelete:
             results.append(self._delete_node(item, user))
         return results