__init__.py 文件源码

def just_class(tup):
    # tup: Tuple[List[Tuple[_CountingAttr, Strategy]],
    #            Tuple[Type, Sequence[Any]]]
    nested_cl = tup[1][0]
    nested_cl_args = tup[1][1]
    default = attr.Factory(lambda: nested_cl(*nested_cl_args))
    combined_attrs = list(tup[0])
    combined_attrs.append((attr.ib(type=nested_cl, default=default),
                           just(nested_cl(*nested_cl_args))))
    return _create_hyp_class(combined_attrs)