On 14 February 2012 15:12, Armin Rigo <ar...@tunes.org> wrote: > Hi Stefan, > > On Tue, Feb 14, 2012 at 14:12, Stefan Behnel <stefan...@behnel.de> wrote: >> Hmm, if that is so, how would you ever want to make PyPy bidirectionally >> interface with anything at all? How does ctypes even work in PyPy? > > I believe you are not understanding my point. Obviously ctypes works > in PyPy, and not, I believe, in a particularly "lucky" way at all. It > works by not being written as C code at all, but as (Python and) > RPython code. The difference of levels between C and RPython is > essential in PyPy. I just gave tons of examples of why it is so. I > know it's not a perfect solution for everybody; but we think that > writing C code (or generating it straight from something else) is not > the most flexible way to develop software. You may not agree with > that, and you're free too; but consider that we would be unlikely to > have a JIT in PyPy at all without the approach we took, so we think > there is some merit in it. > > Note that I'm pushing so much for a Cython that would emit Python code > instead of C --- but that's mostly for performance reasons on top of > PyPy. The alternative, which is quicker and only slightly more > hackish, is to complete the C API of cpyext in PyPy until it works > well enough. Don't come complaining "it's slow", though. It *is* > going to be slow. >
Insofar as that is feasible all the way through (and not just python + a nicer way to call C functions), that would be great. However, any attempt in this direction will be very involved, whereas I think people would be quite happy already to see anything work completely. Getting all features to work is at least a lot more important than any performance issues (assuming it won't be horrendously slow :). > A bientôt, > > Armin. > _______________________________________________ > pypy-dev mailing list > pypy-dev@python.org > http://mail.python.org/mailman/listinfo/pypy-dev _______________________________________________ pypy-dev mailing list pypy-dev@python.org http://mail.python.org/mailman/listinfo/pypy-dev
