[Python-Dev] expy: an expressway to extend Python
lanyjie at yahoo.com
Fri Aug 14 19:00:49 CEST 2009
--- On Sat, 8/8/09, Stefan Behnel <stefan_ml at behnel.de> wrote:
> From: Stefan Behnel <stefan_ml at behnel.de>
> Subject: Re: [Python-Dev] expy: an expressway to extend Python
> To: python-dev at python.org
> Date: Saturday, August 8, 2009, 4:55 PM
> > More details at http://expy.sourceforge.net/
> I'm clearly biased, but my main concern here is that expy
> requires C code
> to be written inside of strings. There isn't any good
> editor support for
> that, so I doubt that expy is good for anything but very
> thin wrappers (as
> in the examples you presented).
Thanks a lot for the input -- I sort of recaptured the advantages of expy and listed four points in the new introduction at http://expy.sf.net/ homepage.
Lacking of editor highlight support is quite a problem, but it is possible to create a support. For example, you can use this to indicate the start of embedded code highlight:
and then the end mark is of course the enclosing """
> That said, you might want to look at the argument unpacking
> code generated
> by Cython. It's highly optimised through specialisation and
> has been
> benchmarked quite a bit faster than the generic Python
> C-API functions for
> tuple/keyword extracting. Since argument conversion seems
> to be more or
> less all that expy really does, maybe you want to reuse
> that code.
Oh sure, that's nice if that part can be adopted by expy-cxpy. Any help out on this would be very welcomed.
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