TopologyDiagram.nodes_attribute

TopologyDiagram.nodes_attribute(name, value=None, keys=None)[source]

Get or set an attribute of multiple nodes.

Parameters:

  • name (str) – The name of the attribute.

  • value (obj, optional) – The value of the attribute.

  • keys (list[hashable], optional) – A list of node identifiers.

Returns:

list[Any] | None – The value of the attribute for each node, or None if the function is used as a “setter”.

Raises:

KeyError – If any of the nodes does not exist.