setup.py

import os
import sys
import shutil
import subprocess
import setuptools
from setuptools import Extension
from setuptools.command.build_ext import build_ext

CMAKE_EXE = os.environ.get('CMAKE_EXE', shutil.which('cmake'))

class CMakeExtension(Extension):
    def __init__(self, name, sourcedir = ""):
        super().__init__(name, sources=[])
        self.sourcedir = os.path.abspath(sourcedir)

class CMakeBuild(build_ext):
    def build_extension(self, ext):
        if not isinstance(ext, CMakeExtension):
            return super().build_extension(ext)

        if not CMAKE_EXE:
            raise RuntimeError(f"Cannot build extension {ext.name}: CMake executable not found! Set the CMAKE_EXE environment variable or update your path.")

        cmake_build_type = "Debug" if self.debug else "Release"
        cmake_output_dir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))
        cmake_configure_argv = [
            CMAKE_EXE, ext.sourcedir,
            "-DCMAKE_BUILD_TYPE=" + cmake_build_type,
            "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=" + cmake_output_dir,
            "-DPYTHON_EXECUTABLE=" + sys.executable,
        ]
        cmake_build_argv = [
            CMAKE_EXE, "--build", ".",
            "--config", cmake_build_type
        ]

        if not os.path.exists(self.build_temp):
            os.makedirs(self.build_temp)
        
        env = os.environ.copy()
        
        print(f"=== Configuring {ext.name} ===")
        print(f"Temp dir: {self.build_temp}")
        print(f"Output dir: {cmake_output_dir}")
        subprocess.check_call(cmake_configure_argv, cwd=self.build_temp, env=env)

        print(f"=== Building {ext.name} ===")
        print(f"Temp dir: {self.build_temp}")
        print(f"Output dir: {cmake_output_dir}")
        print(f"Build type: {cmake_build_type}")
        subprocess.check_call(cmake_build_argv, cwd=self.build_temp, env=env)

        print()

setuptools.setup(
    name = "b-asic",
    version = "0.0.1",
    author = "Adam Jakobsson, Angus Lothian, Arvid Westerlund, Felix Goding, Ivar Härnqvist, Jacob Wahlman, Kevin Scott, Rasmus Karlsson",
    author_email = "adaja901@student.liu.se, anglo547@student.liu.se, arvwe160@student.liu.se, felgo673@student.liu.se, ivaha717@student.liu.se, jacwa448@student.liu.se, kevsc634@student.liu.se, raska119@student.liu.se",
    description = "Better ASIC Toolbox",
    long_description = open("README.md", "r").read(),
    long_description_content_type = "text/markdown",
    url = "https://gitlab.liu.se/PUM_TDDD96/B-ASIC",
    license = "MIT",
    classifiers = [
        "Programming Language :: Python :: 3",
        "License :: OSI Approved :: MIT License",
        "Operating System :: OS Independent",
    ],
    python_requires = ">=3.6",
    install_requires = [
        "pybind11>=2.3.0",
        "numpy",
        "install_qt_binding",
        "pytest==5.3.4",
        "pytest-cov==2.8.1"
    ],
    packages = ["b_asic"],
    ext_modules = [CMakeExtension("b_asic")],
    cmdclass = {"build_ext": CMakeBuild},
    zip_safe = False
)