[Python-Dev] Not backporting PEP 3115 (metaclass __prepare__)

[Guido van Rossum]

On Tue, Mar 18, 2008 at 10:14 PM, Jack Diederich <jackdied at jackdied.com> wrote:
> We can't backport the __prepare__ syntax without requiring metaclass
>  definition on the 'class' line.  Because the __metaclass__ definition
>  can be at the end of the class in 2.6 we can't find it until after we
>  execute the class and that is too late to use a custom dictionary.

That's fine. We need some carrots to encourage people to upgrade too. :-)

>  I wish I had thought of that yesterday,

Me too...

-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)