2017-08-13 18:12:00 -04:00
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from types import FunctionType
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class NoArgDecoratorMeta(type):
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def __call__(cls, *args, **kwargs):
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if len(args) == 1 and isinstance(args[0], FunctionType):
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return cls()(args[0])
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2017-08-13 19:11:40 -04:00
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return super(NoArgDecoratorMeta, cls).__call__(*args, **kwargs)
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# Borrowed from the six library.
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def with_metaclass(meta, *bases):
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"""Create a base class with a metaclass."""
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# This requires a bit of explanation: the basic idea is to make a dummy
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# metaclass for one level of class instantiation that replaces itself with
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# the actual metaclass.
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class metaclass(meta):
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def __new__(cls, name, this_bases, d):
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return meta(name, bases, d)
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return type.__new__(metaclass, 'temporary_class', (), {})
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