def METHOD_NAME(name, b, c, d, docstring=None):
    """Generates a classmethod for a class from a template by filling out
    some arguments."""
    def template(cls, a, b, c, d=4, e=5, f=6):
        return a, b, c, d, e, f
    from functools import partial
    function = partial(template, b=b, c=c, d=d)
    function.__name__ = name
    function.__doc__ = docstring
    return classmethod(function)