setup.py

import contextlib
import distutils.log
import glob
import os
import platform
import re
import subprocess
import sys
from codecs import open  # To use a consistent encoding
from distutils.version import LooseVersion

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

# Get the current directory path.
dart_root = os.path.abspath(os.path.dirname(__file__))
dartpy_root = os.path.join(dart_root, "python")

with open(os.path.join(dart_root, "README.md"), encoding="utf-8") as f:
    long_description = f.read()
description = "Python API of Dynamic Animation and Robotics Toolkit."

distutils.log.set_verbosity(distutils.log.DEBUG)  # Set DEBUG level


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


class CMakeBuild(build_ext):
    """Wrapper class that builds the extension using CMake."""

    def run(self):
        """Build using CMake from the specified build directory."""
        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 < "3.10.2":
                raise RuntimeError("CMake >= 3.10.2 is required on Windows")

        distutils.log.set_verbosity(distutils.log.DEBUG)  # Set DEBUG level

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

    def build_extension(self, ext):
        cmake_args = ["-DPYTHON_EXECUTABLE=" + sys.executable]

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

        if platform.system() == "Windows":
            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.sourcedir] + cmake_args, cwd=self.build_temp, env=env
        )
        subprocess.check_call(
            ["cmake", "--build", ".", "--target", "dartpy"] + build_args,
            cwd=self.build_temp,
        )
        subprocess.check_call(
            ["cmake", "--build", ".", "--target", "install"], cwd=self.build_temp
        )


sources = ["CMakeLists.txt"]
sources.extend(glob.glob("cmake/**/*", recursive=True))
sources.extend(glob.glob("dart/**/*", recursive=True))
sources.extend(glob.glob("python/**/*", recursive=True))
sources.extend(glob.glob("doxygen/**/*", recursive=True))

# Set up the python package wrapping this extension.
setup(
    name="dartpy",
    version="0.0.1-10",
    description=description,
    long_description=long_description,
    long_description_content_type="text/markdown",
    ext_modules=[CMakeExtension("dartpy", sources=sources)],
    url="https://github.com/dartsim/dart",
    author="Jeongseok Lee",
    author_email="jslee02@gmail.com",
    license="BSD 2-Clause",
    keywords="dartsim robotics",
    classifiers=[
        "Development Status :: 2 - Pre-Alpha",
        "Framework :: Robot Framework",
        "Intended Audience :: Science/Research",
        "License :: OSI Approved :: BSD License",
        "Topic :: Scientific/Engineering",
    ],
    cmdclass=dict(build_ext=CMakeBuild),
)