Python 超过getter Django的最大递归深度
我有一些特定属性的自定义getter类:Python 超过getter Django的最大递归深度,python,django,recursion,django-models,attributes,Python,Django,Recursion,Django Models,Attributes,我有一些特定属性的自定义getter类: class Item(a, b, c, d, models.Model): title = Field() description = Field() a = Field() _custom_getter = ['title','description'] def __getattribute__(self, name): if name in self.custom_getter:
class Item(a, b, c, d, models.Model):
title = Field()
description = Field()
a = Field()
_custom_getter = ['title','description']
def __getattribute__(self, name):
if name in self.custom_getter:
return 'xxx'
else:
return super(Item, self).__getattribute__(name)
此代码在调用Python对象时超出了RunetimeError的最大递归深度
但当我使用这段代码时:
class Item(a, b, c, d, models.Model):
title = Field()
description = Field()
a = Field()
def __getattribute__(self, name):
custom_getter = ['title','description']
if name in custom_getter:
return 'xxx'
else:
return super(Item, self).__getattribute__(name)
一切都是我想要的。我在第一段代码中的错误是什么?因为当您执行
self.custom\u getter
时,会调用\u getattribute\u
。您可以使用self.\u dict\u
进行此操作。阅读更多
我使用
object.\uuuu getattribute.\uuuuu(self),\u custom\u getter')
而不是self.\uu dict\uuuu[''.\ u custom\u getter']
因为它会产生相同的错误,但感谢这篇文章,我找到了解决方法。
class Item(a, b, c, d, models.Model):
title = Field()
description = Field()
a = Field()
custom_getter = ['title','description']
def __getattribute__(self, name):
if name in self.__dict__['custom_getter']:
return 'xxx'
else:
return super(Item, self).__getattribute__(name)