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  • # Based on https://github.com/pybind/cmake_example
    
    import os
    import re
    import sys
    import platform
    import subprocess
    
    from setuptools import setup, Extension
    from setuptools.command.build_ext import build_ext
    from distutils.version import LooseVersion
    
    
    VERSION = '0.1.3'
    
    with open('interface/teqpversion.hpp','w') as fpver:
        fpver.write(f'#include <string>\nconst std::string TEQPVERSION = "{VERSION}";')
    
    here = os.path.dirname(os.path.abspath(__file__))
    
    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]
                build_args += ['--', '-j2']
    
            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='teqp',
        version=VERSION,
        author='Ian Bell and friends',
        author_email='ian.bell@nist.gov',
        description='Templated EQuation of state Package',
        long_description='',
        ext_modules=[CMakeExtension('teqp')],
        cmdclass=dict(build_ext=CMakeBuild),
        zip_safe=False,
    
    Ian Bell's avatar
    Ian Bell committed
    )