setup.py

# Copyright 2022 CRS4 (http://www.crs4.it/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext as build_ext_orig
import os
import pathlib


class CMakeExtension(Extension):
    def __init__(self, name):
        super().__init__(name, sources=[])


class build_ext(build_ext_orig):
    def run(self):
        for ext in self.extensions:
            self.build_cmake(ext)

    def build_cmake(self, ext):
        if not os.path.exists(self.build_temp):
            os.makedirs(self.build_temp)
        extdir = pathlib.Path(self.get_ext_fullpath(ext.name))
        cmake_args = [
            "-S",
            "crs4/cpp",
            "-B",
            self.build_temp,
            "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=" + str(extdir.parent.absolute()),
        ]
        build_args = [
            "--build",
            self.build_temp,
        ]
        self.spawn(["cmake"] + cmake_args)
        self.spawn(["cmake"] + build_args)


setup(
    ext_modules=[CMakeExtension("crs4cassandra")],
    cmdclass={
        "build_ext": build_ext,
    },
)