Digraph.py 文件源码

def get_node(self, name, isleaf=False):
        """creates or returns (if the node already exists) the node
        :param isleaf: Defines wether this Node has further children
        :param name: Name of node
        """

        # check all of the graph nodes
        for node in self.graph.get_nodes():
            if name == node.get_name():
                return node

        return self.create_node(name, isleaf=isleaf)