Block.edges_attribute
- Block.edges_attribute(name, value=None, keys=None)
Get or set an attribute of multiple edges.
- Parameters:
- namestr
The name of the attribute.
- valueobject, optional
The value of the attribute. Default is None.
- keyslist[tuple[int, int]], optional
A list of edge identifiers.
- Returns:
- list[Any] | None
A list containing the value per edge of the requested attribute, or None if the function is used as a “setter”.
- Raises:
- KeyError
If any of the edges does not exist.