from distutils.core import setup #from distutils.extension import Extension from Pyrex.Distutils.extension import Extension from Pyrex.Distutils import build_ext setup( name = 'Demos', ext_modules=[ Extension("primes", ["primes.pyx"]), Extension("spam", ["spam.pyx"]), Extension("numeric_demo", ["numeric_demo.pyx"]), ], cmdclass = {'build_ext': build_ext} )