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An execution graph for Python tasks

Project description

Nodal

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An execution graph for Python tasks.

Example

import nodal

from nodal.graph import Graph


def demo():

    # Create a graph
    graph = Graph()

    # Create nodes within the graph context to trigger graph callbacks.
    with graph:

        # Create a Plus node with value 3
        plus1 = nodal.nodes.Plus(3)

        # Create a Plus node with value 7 and plug into the first Plus
        plus2 = graph.create_node('Plus', 7)
        plus2.set_input(0, plus1)

        # Create an Output node and plug into the second Plus
        output = nodal.nodes.Output()
        output.set_input(0, plus2)

    # Execute graph
    graph.execute(output)


if __name__ == '__main__':
    demo()

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