base.py 文件源码

def tearDown(self):
        """Calls `pyramid.testing.tearDown` and `transaction.abort`.

        Prior to calling these methods if any `clean_db` method is
        defined, it will be called. Do database clean ups there.
        """
        try:
            __clean_db = self.__getattribute__('clean_db')
            if callable(__clean_db):
                with transaction.manager:
                    __clean_db()
        except AttributeError:
            pass

        testing.tearDown()
        transaction.abort()