test_build_ext.py 文件源码

def test_abi3_filename(self):
        """
        Filename needs to be loadable by several versions
        of Python 3 if 'is_abi3' is truthy on Extension()
        """
        print(get_abi3_suffix())

        extension = Extension('spam.eggs', ['eggs.c'], py_limited_api=True)
        dist = Distribution(dict(ext_modules=[extension]))
        cmd = build_ext(dist)
        cmd.finalize_options()
        assert 'spam.eggs' in cmd.ext_map
        res = cmd.get_ext_filename('spam.eggs')

        if six.PY2 or not get_abi3_suffix():
            assert res.endswith(get_config_var('SO'))
        elif sys.platform == 'win32':
            assert res.endswith('eggs.pyd')
        else:
            assert 'abi3' in res