Getting a callable for any value?

[andrea crotti]

On 05/29/2013 06:46 PM, Croepha wrote:
> Is there anything like this in the standard library?
>
> class AnyFactory(object):
> def __init__(self, anything):
> self.product = anything
> def __call__(self):
> return self.product
> def __repr__(self):
> return "%s.%s(%r)" % (self.__class__.__module__, 
> self.__class__.__name__, self.product)
>
> my use case is: 
> collections.defaultdict(AnyFactory(collections.defaultdict(AnyFactory(None))))
>

I think I would scratch my head for a good half an hour if I see a 
string like this, so I hope there isn't anything in the standard library 
to do that :D
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