def __init__(self, src_filename, code):
        "CodeWrapper(code) This class only wrap an object for method chain."

        assert isinstance(src_filename, str) and src_filename
        assert os.path.isfile(src_filename) and src_filename.endswith('.py')
        assert isinstance(code, new.code)

        self.src_filename = src_filename
        self.__code = code
CodeWrapper(code) This class only wrap an object for method chain.
recipes/Python/435694_Evaluate_upperletters_variable_name_constants/recipe-435694.py