setup_helpers.py 文件源码

def extension_modules():
    import numpy as np

    libraries, library_dirs = BuildFortranThenExt.get_library_dirs()
    extensions = []
    for name, dependencies in FORTRAN_MODULES.items():
        if name in ('types', 'status'):  # No speedup.
            continue

        mod_name = 'bezier._{}_speedup'.format(name)
        path = SPEEDUP_FILENAME.format(name)
        if BuildFortranThenExt.USE_SHARED_LIBRARY:
            # Here we don't depend on object files since the functionality
            # is contained in the shared library.
            extra_objects = []
        else:
            # NOTE: These may be treated as relative paths and replaced
            #       before the extension is actually built.
            extra_objects = [
                OBJECT_FILENAME.format(dependency)
                for dependency in dependencies
            ]
        # NOTE: Copy ``libraries`` and ``library_dirs`` so they
        #       aren't shared (and mutable) between extensions.
        extension = setuptools.Extension(
            mod_name,
            [path],
            extra_objects=extra_objects,
            include_dirs=[
                np.get_include(),
                os.path.join('src', 'bezier', 'include'),
            ],
            libraries=copy.deepcopy(libraries),
            library_dirs=copy.deepcopy(library_dirs),
        )
        extensions.append(extension)

    return extensions