test_import.py 文件源码

def test___cached__(self):
        # Modules now also have an __cached__ that points to the pyc file.
        m = __import__(TESTFN)
        pyc_file = importlib.util.cache_from_source(TESTFN + '.py')
        self.assertEqual(m.__cached__, os.path.join(os.curdir, pyc_file))