pickle, marshal, ?

[Paul Rubin]

Jeremy Hylton <jeremy at zope.com> writes:
> > You are absolutely right - I should've used a crossover cable here :). Any
> > suggestion on a library with my requirements?
> 
> pickle meets the version-independence requirement.  You're other
> requirement isn't well-specified.  Do you have evidence that
> pickle/cPickle is not fast enough for your application?  I doubt there's
> much performance to be gained if you've still got handle containers.

The version independence requirement suggests that the OP wants two
program instances to interoperate when he can't control what versions
they're running, i.e. that at least one of the instances is controlled
by someone else.  That may make pickle unsuitable because of its
security problems.