On Jun 5, 2009, at 8:46 AM, Sébastien Barthélemy wrote:
> Hello all,
>
> I have a project involving cython files with the following file
> hierarchy.
>
> /setup.py
> /src/homogeneousmatrix.pyx
> /src/homogeneousmatrix.pxd
> /src/__init__.py
> /src/...
>
> However, I have some trouble writing a working setup.py. With the
> version below, generating src/homogeneousmatrix.c fails, apparently
> because it does not use the corresponding pxd file, where some
> necessary ctypedef are made.
>
>
> I can compile everything with this setup.py:
>
> from distutils.core import setup
> from distutils.extension import Extension
> from Cython.Distutils import build_ext
>
> setup(
> name='arboris',
> packages=['arboris',
> 'arboris.robots'],
> package_dir = {'arboris':'src'},
> cmdclass = {'build_ext': build_ext},
> ext_package='arboris',
> ext_modules = [Extension("homogeneousmatrix",
> ["src/homogeneousmatrix.pyx"])]
> )
>
>
> However, with the following one, generating src/homogeneousmatrix.c
> fails, apparently because cython does not find/use the corresponding
> pxd file
>
> from distutils.core import setup
> from distutils.extension import Extension
> from Cython.Distutils import build_ext
>
> setup(
> name='arboris',
> packages=['arboris',
> 'arboris.robots'],
> package_dir = {'arboris':'src'},
> cmdclass = {'build_ext': build_ext},
> ext_modules = [Extension("arboris.homogeneousmatrix",
> ["src/homogeneousmatrix.pyx"])]
> )
>
> I was wondering if this was an expected behaviour or a bug.
If you don't want to specify ext_package, you should probably lay out
your sources as you would for normal .py files, e.g. put everything
in the arboris package in an "arboris" directory rather than a "src"
directory. Perhaps Cython should be inspecting package_dir?
- Robert
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