setup.py

#! /usr/bin/env python3
from setuptools import setup, find_packages, Extension
from setuptools.command.build_ext import build_ext
from pathlib import Path
import os
import sys

class CMakeExtension(Extension):

    def __init__(self, name):
        # don't invoke the original build_ext for this special extension
        super().__init__(name, sources=[])


class build_ext_cmake(build_ext):

    def run(self):
        for ext in self.extensions:
            self.build_cmake(ext)
        super().run()

    def build_cmake(self, ext):
        cwd = Path().absolute()

        # these dirs will be created in build_py, so if you don't have
        # any python sources to bundle, the dirs will be missing
        build_temp = Path(self.build_temp)
        build_temp.mkdir(parents=True, exist_ok=True)
        extdir = Path(self.get_ext_fullpath(ext.name))
        extdir.mkdir(parents=True, exist_ok=True)

        # example of cmake args
        config = 'Debug' if self.debug else 'Release'
        cmake_args = [
            '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + str(extdir.parent.absolute()),
            '-DCMAKE_BUILD_TYPE=' + config,
            '-DPYBIND11_PYTHON_VERSION=%s.%s' % (sys.version_info.major, sys.version_info.minor),
        ]

        # example of build args
        build_args = [
            '--config', config,
            '--', '-j4'
        ]

        os.chdir(str(build_temp))
        self.spawn(['cmake', str(cwd)] + cmake_args)
        if not self.dry_run:
            self.spawn(['cmake', '--build', '.'] + build_args)
        os.chdir(str(cwd))

setup(
    name='dltpy',
    version='0.3.6.6',
    description='DLT log reader',
    long_description=Path('README.md').read_text(),
    long_description_content_type="text/markdown",
    author='Vladimir Shapranov',
    author_email='equidamoid@gmail.com',
    url='https://github.com/Equidamoid/dltpy',
    packages=find_packages(),
    ext_modules=[CMakeExtension('dltpy/native/native_dltfile')],
    cmdclass={'build_ext': build_ext_cmake,},
    entry_points={
        'console_scripts': [
            'dltpy-filter=dltpy.dltpy_filter:main',
            'dltpy-print=dltpy.dltpy_print:main',
            'dltpy-receive=dltpy.dltpy_receive:main',
        ],
    },
    install_requires=['kaitaistruct>=0.7'],
    classifiers=[
        'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
        'Development Status :: 3 - Alpha',
        'Intended Audience :: Developers',
        'Operating System :: POSIX :: Linux',
        'Operating System :: MacOS :: MacOS X',
        'Programming Language :: Python :: 3.5',
        'Programming Language :: Python :: 3.6',
        'Programming Language :: Python :: 3.7',
    ]
)