Sorry for the black magic. The result is an object whose attributes
        are all the graphs found in graphs.py initialized with this instance as
        only argument.

def graphs(self):
        """Sorry for the black magic. The result is an object whose attributes
        are all the graphs found in graphs.py initialized with this instance as
        only argument."""
        result = Dummy()
        for graph in graphs.__all__:
            cls = getattr(graphs, graph)
            setattr(result, cls.short_name, cls(self))
        return result