PyVidarDB/setup.py at master · vidardb/PyVidarDB · GitHub

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#! /usr/bin/env python3

import os
import platform
import re
import subprocess
import sys
from distutils.version import LooseVersion

from setuptools import setup, Extension, find_packages
from setuptools.command.build_ext import build_ext

if sys.version_info < (3, 0):
    sys.exit("Sorry, Python < 3 is not supported by PyVidarDB.")


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


class CMakeBuild(build_ext):
    def run(self):
        try:
            out = subprocess.check_output(["cmake", "--version"])
        except OSError:
            raise RuntimeError(
                "CMake must be installed to build the following extensions: "
                + ", ".join(e.name for e in self.extensions)
            )

        if platform.system() == "Windows":
            cmake_version = LooseVersion(
                re.search(r"version\s*([\d.]+)", out.decode()).group(1)
            )
            if cmake_version < "3.1.0":
                raise RuntimeError("CMake >= 3.1.0 is required on Windows")

        for ext in self.extensions:
            self.build_extension(ext)

    def build_extension(self, ext):
        ext_dir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))

        cmake_args = [
            "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=" + ext_dir,
            "-DPYTHON_EXECUTABLE=" + sys.executable,
        ]

        cfg = "Debug" if self.debug else "Release"
        build_args = ["--config", cfg]

        # Pile all .so in one place and use $ORIGIN as RPATH
        cmake_args += ["-DCMAKE_BUILD_WITH_INSTALL_RPATH=TRUE"]
        cmake_args += ["-DCMAKE_INSTALL_RPATH={}".format("$ORIGIN")]

        if platform.system() == "Windows":
            cmake_args += [
                "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}".format(cfg.upper(), ext_dir)
            ]
            if sys.maxsize > 2 ** 32:
                cmake_args += ["-A", "x64"]
            build_args += ["--", "/m"]
        else:
            cmake_args += ["-DCMAKE_BUILD_TYPE=" + cfg]
            build_args += ["--", "-j4"]

        env = os.environ.copy()
        env["CXXFLAGS"] = '{} -DVERSION_INFO=\\"{}\\"'.format(
            env.get("CXXFLAGS", ""), self.distribution.get_version()
        )

        if not os.path.exists(self.build_temp):
            os.makedirs(self.build_temp)

        subprocess.check_call(
            ["cmake", ext.source_dir] + cmake_args, cwd=self.build_temp, env=env
        )
        subprocess.check_call(
            ["cmake", "--build", ".", "--target", os.path.basename(ext.name)]
            + build_args,
            cwd=self.build_temp,
        )


setup(
    name="PyVidarDB",
    version="0.1.0",
    author="VidarDB Team",
    author_email="info@vidardb.com",
    description="Python Wrapper for VidarDB",
    long_description_content_type="text/markdown",
    long_description=open("README.md", encoding="utf-8").read(),
    url="https://github.com/vidardb/PyVidarDB",
    classifiers=[
        "Programming Language :: Python :: 3",
        "License :: OSI Approved :: Apache Software License",
        "Operating System :: OS Independent",
    ],
    python_requires=">=3.5",
    packages=find_packages("src"),
    package_dir={"": "src"},
    ext_modules=[CMakeExtension("pyvidardb/pyvidardb")],
    cmdclass=dict(build_ext=CMakeBuild),
    zip_safe=False,
)