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Mon May 7 13:56:47 CEST 2012 · https://mail.python.org/pipermail/python-dev/2012-May/119322.html

2012/5/7 Nick Coghlan <ncoghlan at gmail.com>:
> A while back I pointed out that there's no easy PEP 3115 compliant way
> to dynamically create a class (finding the right metaclass, calling
> __prepare__, etc).
>
> I initially proposed providing this as operator.build_class, and
> Daniel Urban created a patch that implements that API
> (http://bugs.python.org/issue14588).
>
> However, in starting to write the documentation for the new API, I
> realised that the operator module really isn't the right home for the
> functionality.
>
> Instead, I'm now thinking we should add a _types C extension module
> and expose the new function as types.build_class(). I don't want to
> add an entire new module just for this feature, and the types module
> seems like an appropriate home for it.

Actually, there used to be a _types C module before we figured out
that all the types could be extracted in Python. :)

Maybe you could make it a static or class method of type?

-- 
Regards,
Benjamin

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[Python-Dev] Adding types.build_class for 3.3