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Re: How to see the __name__ attribute of a class by using dir()

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To python-list@python.org
From Peter Otten <__peter__@web.de>
Subject Re: How to see the __name__ attribute of a class by using dir()
Date Sat, 20 Oct 2012 11:43:25 +0200
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Jennie wrote:

> On 10/20/2012 10:24 AM, Peter Otten wrote:
> 
>> So if you want to customise dir(Foo) you have to modify the metaclass:
>>
>>>>> >>>class Foo:
>> ...     class __metaclass__(type):
>> ...             def __dir__(self): return ["python"]
>> ...
>>>>> >>>dir(Foo)
>> ['python']
>>
>>
> 
> Hi Peter, thanks for your answer, but it does not work (Python 3.3):
> 
>  >>> class Foo:
> ...     class __metaclass__(type):
> ...         def __dir__(self): return ["python"]
> ...
>  >>> dir(Foo)
> ['__class__', '__delattr__', '__dict__', '__dir__', ...]

In Python 3 the way to specify the metaclass has changed:

>>> class FooType(type):
...     def __dir__(self): return ["python"]
... 
>>> class Foo(metaclass=FooType):
...     pass
... 
>>> dir(Foo)
['python']

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Thread

How to see the __name__ attribute of a class by using dir() Jennie <nameDOTportua@gmail.com> - 2012-10-20 10:05 +0200
  Re: How to see the __name__ attribute of a class by using dir() Peter Otten <__peter__@web.de> - 2012-10-20 10:24 +0200
    Re: How to see the __name__ attribute of a class by using dir() Jennie <nameDOTportua@gmail.com> - 2012-10-20 10:59 +0200
      Re: How to see the __name__ attribute of a class by using dir() Peter Otten <__peter__@web.de> - 2012-10-20 11:43 +0200
        Re: How to see the __name__ attribute of a class by using dir() Jennie <nameDOTportua@gmail.com> - 2012-10-20 13:19 +0200
        Re: How to see the __name__ attribute of a class by using dir() Jennie <marco.buttu@gmail.com> - 2012-10-20 13:19 +0200
    Re: How to see the __name__ attribute of a class by using dir() Jennie <marco.buttu@gmail.com> - 2012-10-20 10:59 +0200

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