使用CMake扩展setuptools。未安装生成扩展

cmake --version
python -m setuptools --version

cmake_minimum_required(VERSION 3.12)
project(my_project VERSION 1.0)

# 添加源文件
add_library(my_library SHARED my_source_file.cpp)

# 设置编译选项
target_compile_options(my_library PRIVATE -Wall -Wextra)

# 设置安装目标
install(TARGETS my_library LIBRARY DESTINATION lib)

# 设置版本号
set(CPACK_PACKAGE_VERSION_MAJOR "${PROJECT_VERSION_MAJOR}")
set(CPACK_PACKAGE_VERSION_MINOR "${PROJECT_VERSION_MINOR}")
set(CPACK_PACKAGE_VERSION_PATCH "${PROJECT_VERSION_PATCH}")
include(CPack)

cmake .

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

class CMakeExtension(Extension):
    def __init__(self, name):
        Extension.__init__(self, name, sources=[])

class CMakeBuild(build_ext):
    def run(self):
        try:
            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))

        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:
            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='my_package',
    version='0.1',
    ext_modules=[CMakeExtension('my_module')],
    cmdclass=dict(build_ext=CMakeBuild),
    zip_safe=False,
)

python setup.py build_ext --inplace
python setup.py install