setup.py

import os

from setuptools import find_packages, setup
from setuptools.extension import Extension
from Cython.Build import cythonize

# the current working directory
cwd = os.path.abspath(os.path.expanduser(
    os.path.dirname(__file__)))

include = ['/opt/local/include',
           os.path.expanduser('~/embree/include')]
library = ['/opt/local/lib',
           os.path.expanduser('~/embree/lib')]

if os.name == 'nt':
    include = [
        'c:/Program Files/Intel/Embree3/include',
        os.path.join(cwd, 'embree3', 'include')]
    library = [
        'c:/Program Files/Intel/Embree3/lib',
        os.path.join(cwd, 'embree3', 'lib')]

extensions = [
    Extension(
        'embree',
        ['embree.pyx'],
        libraries=['embree3'],
        include_dirs=include,
        library_dirs=library
    )
]

with open(os.path.join(cwd, 'README.md'), 'r') as f:
    long_description = f.read()
with open(os.path.join(cwd, 'embree.pyx'), 'r') as f:
    # use eval to get a clean string of version from file
    __version__ = eval(
        next(line for line in f if
             line.startswith('__version__')).split('=')[-1])

setup(
    name='embree',
    version=__version__,
    description='Ray queries on triangular meshes.',
    long_description=long_description,
    long_description_content_type='text/markdown',
    install_requires=['numpy'],
    packages=find_packages(),
    ext_modules=cythonize(extensions),
    zip_safe=False
)