>>> class Implement2(_Template):
... def __init__(self, message):
... self._message = message
... def _writeHeader(self):
... sys.stdout.write('+-' + '-' * len(self._message) + '-+\n| ')
... def _writeFooter(self):
... sys.stdout.write(' |\n+-' + '-' * len(self._message) + '-+\n')
...
>>> x = Implement1('test1')
>>> x.write()
/ test1 /
>>> x = Implement2('test2')
>>> x.write()
+-------+
| test2 |
+-------+

ホントは、どっかで拾ってきたものだけどなｗ