[Python-3000] Weird error message from bytes type
Guido van Rossum
guido at python.org
Mon Feb 26 01:39:16 CET 2007
Correct (I wasn't saying it was used on the lhs operand :-).
I find it important to use that API since anything that wants to
behave like a (small) int should be acceptable. Can you suggest a
better way to formulate the error from that API?
On 2/25/07, Neil Schemenauer <nas at arctrix.com> wrote:
> On Sun, Feb 25, 2007 at 05:40:12PM -0600, Guido van Rossum wrote:
> > Thomas is correct. You can only assign ints in range(256) to a single
> > index.
> Yes, I understand that. I think the error message is bad though.
> > The error comes from the call to PyNumber_AsSsize_t() in
> > bytes_setitem(), which apparently looks for __index__ or the tp_index
> > slot.
> I think PyNumber_AsSsize_t is being used on the RHS operand. That's
> perhaps convenient but makes for a confusing message. There was
> nothing wrong with the value I was using for an index.
--Guido van Rossum (home page: http://www.python.org/~guido/)
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