def get_node(self, name):
match = list()<EOL>if name in self.obj_dict['<STR_LIT>']:<EOL><INDENT>match.extend( [ Node( obj_dict = obj_dict ) for obj_dict in self.obj_dict['<STR_LIT>'][name] ])<EOL><DEDENT>return match<EOL>
Retrieve a node from the graph.

        Given a node's name the corresponding Node
        instance will be returned.

        If one or more nodes exist with that name a list of
        Node instances is returned.
        An empty list is returned otherwise.