/tmp/cython/setup.py

#!/usr/bin/env python

from distutils.core import setup
from distutils.extension import Extension

from Cython.Distutils import build_ext

setup(
    name = "hello",
    description = "Hello World in Cython",
    cmdclass = {
        "build_ext": build_ext,
    },
    ext_modules = [
        Extension("hello", ["hello.pyx"]),
    ],
)