Hi Travis,
I want this functionality too. I tried adding:
__metaclass__ = ClasscallMetaclass
but this produces the error:
TypeError: Error when calling the metaclass bases
metaclass conflict: the metaclass of a derived class must be a (non-
strict) subclass of the metaclasses of all its bases
I found that using
__metaclass__ = InheritComparisonClasscallMetaclass
works, although I am not yet sure if I need rich comparison.
Anyway, apart from this minor quibble about meta classes it seems to be
working for now.
Cheers,
Andrew
On Wednesday, 16 March 2016 02:36:31 UTC+11, Travis Scrimshaw wrote:
>
> Hey Andrew,
> Just for reference, you do not need these lines as they are in the
> Tableau code so you can call Tableau(...) directly without having to
> explicitly create the parent object.
>
> @staticmethod
> def __classcall_private__(cls, elt):
> return MyParent().element_class(MyParent(), elt)
>
> Although considering that the metaclass has not been set to the classcall
> metaclass, it should not be called.
>
> Best,
> Travis
>
>
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