is it possible to give an instance a value?

Steven D'Aprano steve at REMOVEME.cybersource.com.au
Thu Mar 8 03:22:25 CET 2007


On Wed, 07 Mar 2007 16:02:05 +0100, egbert wrote:

> On Tue, 06 Mar 2007 14:45:45 -0800, manstey wrote:
>> 
>> class Test(object):
>>      def __init__(self, val):
>>            self.val = val
>> 
>> a = Test('hello')
> 
>> Is there a way to make a have the value a.val when it is used as
>> above, or as an argument (eg function(a, 10, 'sdf') etc)?
>> 
> My impression is that you can do everything you want to
> by making your instance callable, and not using a but a().

You can't do this:

>>> a() = "some value"
SyntaxError: can't assign to function call


If you do this:

>>> a = "some value"

then we're back to the Original Poster's original problem.



-- 
Steven D'Aprano 




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