On Wed, Apr 23, 2008 at 9:55 AM, Robert Bradshaw <[EMAIL PROTECTED]> wrote: > > On Apr 23, 2008, at 6:00 AM, Ondrej Certik wrote: > > > On Wed, Apr 23, 2008 at 8:17 AM, Nathan Bell <[EMAIL PROTECTED]> wrote: > >> On Tue, Apr 22, 2008 at 6:19 PM, Anne Archibald > >> <[EMAIL PROTECTED]> wrote: > >>> > >> > >>> What do people think about including cython code in scipy? > >>> > >> > >> Writing a substantial amount of code in a special-purpose language > >> like Cython is always risky. Will Cython exist in 5,10,15 years? > >> > >> I have little doubt that in 10 years I'll still be able to > >> compile the > >> C/C++ codes I develop today. Furthermore, if Cython/SWIG/SciPy/ > >> NumPy > >> disappeared overnight I'd still have a decent library to work with. > >> IMO using Cython for one-off application or wrappers is fine, but > >> large-scale Cython implementation is probably a bad long-term > >> approach. > > > > Isn't this a similar (if not the same) problem when writing your code > > using SWIG? > > > > Let's take sparsetools.i as an example, it also contains a lot of non > > python, non C code. So one needs to depend (and maintain!) SWIG. Well, > > Cython is a lot more lightweight and more robust solution imho. > > > > Of course it'd be great if the Cython code would also be a regular > > Python code, but that will still take some time. But they seem to like > > it, for example when I first learned about Cython, I told Robert and > > William -- why to use this ugly "for i from 1 <= i < dim:", why not to > > use the python way > > "for i in range(1, dim):"? And Robert has implemented this in less > > than a month. > > > > The next step could be to generate Cython code from regular Python > > code with annotations in comments or strings imho. > > Yes, one of our goals is to be able to compile pure Python, with type > annotations in decorators. The "old style" cdef keywords will be > around too. > > > > But even if Cython stays as yet another language -- it's still easier > > and less error prone than to write the C code by hand. > > I am of the same opinion, and think Cython will be around for a long > time (hopefully eventually as part of Python itself).
Just to emphasize -- one of the *main longterm goals* of starting the Cython project was to get Cython into Python itself. -- William _______________________________________________ Cython-dev mailing list [email protected] http://codespeak.net/mailman/listinfo/cython-dev
