[Types-sig] Re: Meta-classes discussion starter

[Donald Beaudry]

Just van Rossum <just@letterror.com> wrote,
> >    JvR> (If anyone wants
> >    JvR> to play, I could post a patch.)
> >
> >Yes, please do!
> 
> See below... It's a against the current state of Python 1.5.2b1. It should
> be 100% compatible with the existing hooks (ie. I tried carefully not to
> break things).

It's interesting to note that a patch is not necessary.  All you need is
an extension module that exports a hand written meta-class.  This
meta-class can then poke into the class that's being defined and check
for the existence of the __class__ attribute.

been-there-done-that-ly y'rs,

	--Don