def build_extension()

in setup.py [0:0]

• 29 lines of code
• 5 McCabe index (conditional complexity)

    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]
        # ensure we use a consistent python version
        #cmake_args += ['-DPython3_EXECUTABLE=' + sys.executable]
        cmake_args += ['-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 += ['-T', 'host=x64']
                cmake_args += ['-DCMAKE_GENERATOR_PLATFORM=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', '.', '--target', 'python'] + build_args,
                              cwd=self.build_temp, env=env)
        print() # add an empty line to pretty print