[Python-Dev] Inconsistent behaviour in import/zipimport hooks

Brett Cannon bcannon at gmail.com
Thu Nov 10 02:49:39 CET 2005

On 11/9/05, Guido van Rossum <guido at python.org> wrote:
> > > I like Phillip's suggestion -- no new opcode, just a conditional jump
> > > that can be easily optimized out.
> >
> > Huh?  But Phillip is suggesting a new opcode that is essentially the
> > same as my proposal but naming it differently and saying the bytecode
> > should get changed directly instead of having the eval loop handle the
> > semantic differences based on whether -O is being used.
> Sorry.

No problem.  Figured you just misread mine.

> Looking back they look pretty much the same to me. Somehow I
> glanced over Phillip's code and thought he was proposing to use a
> regular JUMP_IF opcode with the special __debug__ variable (which
> would be a 3rd possibility, good if we had backwards compatibility
> requirements for bytecode -- which we don't, fortunately :-).

Fortunately.  =)

So does this mean you like the idea?  Should this all move forward somehow?


More information about the Python-Dev mailing list