[Python-ideas] read-only attributes

[Scott Dial]

On 1/3/2011 5:31 PM, Antoine Pitrou wrote:
> On Mon, 03 Jan 2011 14:18:42 -0800
> "K. Richard Pixley" <rich at noir.com> wrote:
>>
>> class Foo(object):
>>      @read-only
>>      size = 4
> 
> What's wrong with:
> 
>>>> class Foo:
> ...     @property
> ...     def foo(self):
> ...         return 4
> ... 
>>>> Foo().foo
> 4
>>>> Foo().foo = 5
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> AttributeError: can't set attribute
> 
> ?
> 

s/4/Bar()/:

>>> class Foo:
...     @property
...     def foo(self):
...         return Bar()

-- 
Scott Dial
scott at scottdial.com
scodial at cs.indiana.edu