def __str__(self): return attr_string(self.__dict__)
def __str__(self): return attr_string(user=self.user, date=self.date, message=self.message)
def __str__(self): return attr_string(title=self.title, user=self.user, date=self.date, fields=self.fields)
def __repr__(self): return "%s(%s)" % (self.__class__.__name__, attr_string(**self.__dict__))