pypet/naturalnaming.py
def _delete_node(self, node):
        """Deletes a single node from the tree.

        Removes all references to the node.

        Note that the 'parameters', 'results', 'derived_parameters', and 'config' groups
        hanging directly below root cannot be deleted. Also the root node itself cannot be
        deleted. (This would cause a tremendous wave of uncontrollable self destruction, which
        would finally lead to the Apocalypse!)

        """
        full_name = node.v_full_name
        root = self._root_instance

        if full_name == '':
            # You cannot delete root
            return

        if node.v_is_leaf:
            if full_name in root._parameters:
                del root._parameters[full_name]

            elif full_name in root._config:
                del root._config[full_name]

            elif full_name in root._derived_parameters:
                del root._derived_parameters[full_name]

            elif full_name in root._results:
                del root._results[full_name]

            elif full_name in root._other_leaves:
                del root._other_leaves[full_name]

            if full_name in root._explored_parameters:

                if root._stored:
                    # We always keep the explored parameters in case the trajectory was stored
                    root._explored_parameters[full_name] = None
                else:
                    del root._explored_parameters[full_name]
                if len(root._explored_parameters) == 0:
                    root.f_shrink()

            del self._flat_leaf_storage_dict[full_name]
        else:
            del root._all_groups[full_name]

            if full_name in root._run_parent_groups:
                del root._run_parent_groups[full_name]

        # Delete all links to the node
        if full_name in root._linked_by:
            linking = root._linked_by[full_name]
            for linking_name in list(linking.keys()):
                linking_group, link_set = linking[linking_name]
                for link in list(link_set):
                    linking_group.f_remove_link(link)
        
        if (node.v_location, node.v_name) in self._root_instance._new_nodes:
            del self._root_instance._new_nodes[(node.v_location, node.v_name)]

        # Finally remove all references in the dictionaries for fast search
        self._remove_from_nodes_and_leaves(node)

        # Remove circular references
        node._vars = None
        node._func = None
def _delete_node(self, node):
        """Deletes a single node from the tree.

        Removes all references to the node.

        Note that the 'parameters', 'results', 'derived_parameters', and 'config' groups
        hanging directly below root cannot be deleted. Also the root node itself cannot be
        deleted. (This would cause a tremendous wave of uncontrollable self destruction, which
        would finally lead to the Apocalypse!)

        """
        full_name = node.v_full_name
        root = self._root_instance

        if full_name == '':
            # You cannot delete root
            return

        if node.v_is_leaf:
            if full_name in root._parameters:
                del root._parameters[full_name]

            elif full_name in root._config:
                del root._config[full_name]

            elif full_name in root._derived_parameters:
                del root._derived_parameters[full_name]

            elif full_name in root._results:
                del root._results[full_name]

            elif full_name in root._other_leaves:
                del root._other_leaves[full_name]

            if full_name in root._explored_parameters:

                if root._stored:
                    # We always keep the explored parameters in case the trajectory was stored
                    root._explored_parameters[full_name] = None
                else:
                    del root._explored_parameters[full_name]
                if len(root._explored_parameters) == 0:
                    root.f_shrink()

            del self._flat_leaf_storage_dict[full_name]
        else:
            del root._all_groups[full_name]

            if full_name in root._run_parent_groups:
                del root._run_parent_groups[full_name]

        # Delete all links to the node
        if full_name in root._linked_by:
            linking = root._linked_by[full_name]
            for linking_name in list(linking.keys()):
                linking_group, link_set = linking[linking_name]
                for link in list(link_set):
                    linking_group.f_remove_link(link)
        
        if (node.v_location, node.v_name) in self._root_instance._new_nodes:
            del self._root_instance._new_nodes[(node.v_location, node.v_name)]

        # Finally remove all references in the dictionaries for fast search
        self._remove_from_nodes_and_leaves(node)

        # Remove circular references
        node._vars = None
        node._func = None
Deletes a single node from the tree.

        Removes all references to the node.

        Note that the 'parameters', 'results', 'derived_parameters', and 'config' groups
        hanging directly below root cannot be deleted. Also the root node itself cannot be
        deleted. (This would cause a tremendous wave of uncontrollable self destruction, which
        would finally lead to the Apocalypse!)