> On Fri, May 30, 2003 at 08:41:54PM -0400, Guido van Rossum wrote:
> > Of course, such programs are already vulnerable to changes in the hash
> > implementation between Python versions (which has happened before).
>
> Is there at least a guarantee that the hashing algorithm won't change in a
> bugfix release? For instance, can I depend that
> python222 -c 'print hash(1), hash("a")'
> python223 -c 'print hash(1), hash("a")'
> will both output the same thing, even if
> python23 -c 'print hash(1), hash("a")'
> and
> python3000 -c 'print hash(1), hash("a")'
> may print something different?
That's a reasonable assumption, yes. We realize that changing the
hash algorithm is a feature change, even if it is a very subtle one.
--Guido van Rossum (home page: http://www.python.org/~guido/)
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