def check_accessors(self): p=Persistent() p._p_oid assert p._p_format_oid() == 'None' p._p_oid = 'aaaaaaaa' assert p._p_format_oid() == '7016996765293437281' p._p_oid = int8_to_str(1) assert p._p_format_oid() == '1' assert repr(p) == "<Persistent 1>"