setup.py

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import sys
import os
import subprocess
import re
import platform

from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
from distutils.version import LooseVersion

from setuptools import find_packages, find_namespace_packages
__version__ = '0.2.3b2'


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


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):
        extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))
        cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
                      '-DPYTHON_EXECUTABLE=' + sys.executable]

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

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

        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', '.'] + build_args, cwd=self.build_temp)


setup(
    name='dnp3-python',
    version=__version__,
    author='Volttron Team',
    author_email='volttron@pnnl.gov',
    url='https://github.com/VOLTTRON/dnp3-python',
    description='pydnp3 -- python binding for opendnp3',
    # long_description='long description',
    install_requires=[
        # 'pybind11>=2.2',
        'argcomplete'],
    ext_modules=[CMakeExtension('pydnp3')],
    cmdclass=dict(build_ext=CMakeBuild),
    zip_safe=False,

    packages=find_namespace_packages(
        where='src',
        include=['dnp3_python*', 'dnp3demo']  # to include sub-packages as well.
    ),
    package_dir={"": "src"},
    entry_points={
                'console_scripts': [
                    'dnp3demo = dnp3demo.__main__:main',
                ]
            },
)