# -*- coding: utf-8 -*- """ pint.compat.meta ~~~~~~~~~~~~~~~~ Compatibility layer. :copyright: 2016 by Pint Authors, see AUTHORS for more details. :license: BSD, see LICENSE for more details. """ def with_metaclass(meta, *bases): """Create a base class with a metaclass.""" # This requires a bit of explanation: the basic idea is to make a dummy # metaclass for one level of class instantiation that replaces itself with # the actual metaclass. # Taken from six class metaclass(meta): def __new__(cls, name, this_bases, d): return meta(name, bases, d) return type.__new__(metaclass, 'temporary_class', (), {})