[Python-3000] Compiling the PEP 3115 metaclass syntax (original) (raw)

Robert Brewer fumanchu at amor.org
Thu Mar 15 04:12:44 CET 2007

Guido van Rossum wrote:

The PEP proposes that the class statement accepts keyword arguments, *args, and **kwds syntax as well as positional bases. This is a bit messy to compile and execute, but we already have this, of course, in the code for calling regular functions.

So I think it would be acceptable to this into a call to a new (hidden) built-in function, named buildclass. Then that this class definition: class C(A, B, metaclass=M, other=42, *morebases, *morekwds): ... would translate into this: C = buildclass(, 'C', A, B, metaclass=M, other=42, *morebases, *morekwds)

This sounds familiar ;) http://mail.python.org/pipermail/python-dev/2004-March/043562.html

Why not just call that function "class" and get it over with? ;)

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