Diagram.edges_attributes

Diagram.edges_attributes(names=None, values=None, keys=None)

Get or set multiple attributes of multiple edges.

Parameters

• names (list of str, optional) – The names of the attribute. Default is None.

• values (list of obj, optional) – The values of the attributes. Default is None.

• keys (list of edges, optional) – A list of edge identifiers.

Returns

dict, list or None – If the parameter names is None, a list containing per edge an attribute dict with all attributes (default + custom) of the edge. If the parameter names is None, a list containing per edge a list of attribute values corresponding to the requested names. None if the function is used as a “setter”.

Raises

KeyError – If any of the edges does not exist.