setup.py 文件源码

def build_extensions(self):
        self.check_cython_extensions(self.extensions)

        # Include NumPy
        numpy_incl = pkg_resources.resource_filename('numpy', 'core/include')
        for ext in self.extensions:
            if (hasattr(ext, 'include_dirs') and
                    numpy_incl not in ext.include_dirs):
                ext.include_dirs.append(numpy_incl)
        _build_ext.build_extensions(self)