[Python-Dev] with_traceback

Adam Olsen rhamph at gmail.com
Thu Mar 1 03:36:39 CET 2007

On 2/28/07, Guido van Rossum <guido at python.org> wrote:
> I am beginning to think that there are serious problems with attaching
> the traceback to the exception; I really don't like the answer that
> pre-creating an exception is unpythonic in Py3k.

How plausible would it be to optimize all exception instantiation?
Perhaps use slots and a freelist for everything inheriting from
BaseException and not inheriting from other builtin types?

> On 2/28/07, Jean-Paul Calderone <exarkun at divmod.com> wrote:
> > On Wed, 28 Feb 2007 18:29:11 -0700, Adam Olsen <rhamph at gmail.com> wrote:
> > >
> > >I believe calling copy.copy() would be sufficient.
> > >
> > That doesn't sound like an improvement to me.  Normal code will be more
> > wasteful.  Code which the author has gone out of his way to tune will be
> > as wasteful as /average/ code currently is, and more wasteful than tuned
> > code now is.
> >

Adam Olsen, aka Rhamphoryncus

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