rustworkx.digraph_cartesian_product

digraph_cartesian_product(first, second, /)

Return a new PyDiGraph by forming the cartesian product from two input PyDiGraph objects

Parameters:

• first (PyDiGraph) – The first undirected graph object

• second (PyDiGraph) – The second undirected graph object

Returns:

A new PyDiGraph object that is the cartesian product of first and second. It’s worth noting the weight/data payload objects are passed by reference from first and second to this new object. A read-only dictionary of the product of nodes is also returned. The keys are a tuple where the first element is a node of the first graph and the second element is a node of the second graph, and the values are the map of those elements to node indices in the product graph. For example:

{
    (0, 0): 0,
    (0, 1): 1,
}

Return type:

Tuple[PyDiGraph, ProductNodeMap]

import rustworkx.generators
from rustworkx.visualization import mpl_draw

graph_1 = rustworkx.generators.directed_path_graph(2)
graph_2 = rustworkx.generators.directed_path_graph(3)
graph_product, _ = rustworkx.digraph_cartesian_product(graph_1, graph_2)
mpl_draw(graph_product)