[Python-3000] bytes & Py_TPFLAGS_BASETYPE

Guido van Rossum guido at python.org
Mon Sep 17 16:55:43 CEST 2007


On 9/16/07, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> Guido van Rossum wrote:
> > It is possible to compromise the integrity of a built-in type by
> > subclassing it if the type wasn't carefully written to expect
> > subclassing.
>
> Disallowing subclassing in Python may make sense, but
> it seems unreasonable not to allow subclassing by
> consenting C code that is careful not to compromise
> any integrity.
>
> Maybe there should be two flags for this instead of
> just one?

AFAIK there's nothing stopping you from subclassing in C. I thought we
were talking about Python though.

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


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