AttributeError

AttributeError精品文章

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  Python的__slots__

  ...__ is {x: 1} b2 = BaseSlots() print b2.__dict__ is , b2.__dict__ # AttributeError: BaseSlots object has no attribute __dict__ b2.x = 1 # AttributeError: BaseSlots2 object has no attribute x b2...

  wenhai.he 2019-07-25 10:17 评论0 收藏0
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  AttributeError: module 'sys' has no attr

  ...s >>> sys.maxint Traceback (most recent call last): File , line 1, in AttributeError: module sys has no attribute maxint 将 ``` sys.maxint ``` 改为 ``` sys.maxsize ``` 这里是官方文档, py2 to py3

  pcChao 2019-07-30 18:37 评论0 收藏0
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  Bottle框架中的装饰器类和描述符应用

  ...[key] def __set__(self, obj, value): if self.read_only: raise AttributeError(Read-Only property.) getattr(obj, self.attr)[self.key] = value def __delete__(self, obj): ...

  Panda 2019-07-30 14:42 评论0 收藏0
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  [译] 属性访问、特性和描述符 1

  ...lue >>> g.unset Traceback (most recent call last): File , line 1, in AttributeError: Generic object has no attribute unset >>> del g.attribute >>> g.attribute Traceback (most recent call last): ...

  褰辩话 2019-07-24 18:14 评论0 收藏0
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  Werkzeug Local与LocalProxy等浅析

  ...__[self.__ident_func__()][name] except KeyError: raise AttributeError(name) def __setattr__(self, name, value): ident = self.__ident_func__() storage = self...

  The question 2019-07-31 10:54 评论0 收藏0
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  Python: 陌生的 metaclass

  ...-------------------------------------------------------------------------- AttributeError Traceback (most recent call last) in () ----> 1 f.name AttributeError: Foo obj...

  miya 2019-07-31 10:52 评论0 收藏0
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  Python中几种属性访问的区别

  ...(a) 的基类开始查找。 若查找链都获取不到属性，则抛出 AttributeError 异常。 __getattr__ 方法 这个方法是当对象的属性不存在是调用。如果通过正常的机制能找到对象属性的话，不会调用 __getattr__ 方法。 class A: a = 1 def __getat...

  zhouzhou 2019-07-31 11:19 评论0 收藏0
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  让我们一起来构建一个模板引擎（四）

  ... access to attribute {0} is unsafe..format(attr) raise AttributeError(msg) elif toktype == tokenize.OP: pre_op = tokval 效果: >>> from template4c import Te...

  yuxue 2019-07-31 12:21 评论0 收藏0
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  Python基础之(四)之集合

  ... Traceback (most recent call last): File , line 1, in f1.add(q) AttributeError: frozenset object has no attribute add >>> f1.remove(r) Traceback (most recent call last): File , line 1, in...

  CKJOKER 2019-07-25 10:53 评论0 收藏0
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  python装饰器和描述器的使用总结

  ...e: return self if self.fget is None: raise AttributeError, unreadable attribute return self.fget(obj) def __set__(self, obj, value): if self.fse...

  xietao3 2019-07-24 18:21 评论0 收藏0
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  [译] 属性访问、特性和描述符 2

  ...__(self, name, value): if name in self.__dict__: raise AttributeError(Cannot set {name}.format(name=name)) raise AttributeError({__class__.__name__} has no attribute ...

  CloudwiseAPM 2019-07-31 10:50 评论0 收藏0
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  flask 源码解析：上下文

  ...部字典。 # 如果访问或者删除的属性不存在，会抛出 AttributeError。 # 这样，外部用户看到的就是它在访问实例的属性，完全不知道字典或者多线程/协程切换的实现 def __getattr__(self, name): try: return self.__stora...

  Labradors 2019-07-25 11:31 评论0 收藏0
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  Python 2.7.x 和 Python 3.x 的主要区别

  ...-------------------------------------------------------------------------- AttributeError Traceback (most recent call last) in () 1 print Python, python_version() ...

  clasnake 2019-07-24 17:34 评论0 收藏0
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  property在python2和python3中的区别

  ...-------------------------------------------------------------------------- AttributeError Traceback (most recent call last) in ----> 1 l.weight = 5 AttributeError: can...

  dayday_up 2019-07-31 11:25 评论0 收藏0
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  __slot__ 限制

  ...性，报错。 Traceback (most recent call last): File , line 1, in AttributeError: Student object has no attribute score ！！！但是__slots__定义的属性只对当前类的实例起作用，对继承的子类是不起作用的。除非在子类中也定义__slots__。这样子类实...

  lavnFan 2019-07-31 11:18 评论0 收藏0