[Python-Dev] repeated keyword arguments

Guido van Rossum guido at python.org
Sat Jun 28 00:56:46 CEST 2008


Yes.

On Fri, Jun 27, 2008 at 2:18 PM, Steve Holden <steve at holdenweb.com> wrote:
> So we wait until they port their code to 2.6 to break it?
>
> regards
>  Steve
>
> Guido van Rossum wrote:
>>
>> Sounds like a regression in 2.5 (and in 2.6, and in 3.0). Probably due
>> to the switch to the  new AST-based compiler. Can you file a bug? I
>> think we should leave 2.5 alone (too much risk of breaking code) but
>> fix it in 2.6 and 3.0 if we can.
>>
>> --Guido
>>
>> On Fri, Jun 27, 2008 at 12:07 PM, tomer filiba <tomerfiliba at gmail.com>
>> wrote:
>>>
>>> the following code works on python 2.5:
>>>
>>>>>> def f(**kwargs):
>>>
>>> ...     print kwargs
>>> ...
>>>>>>
>>>>>> f(a=5,b=7,a=8)
>>>
>>> {'a': 8, 'b': 7}
>>> but fails on python2.4, saying that "a" is given twice.
>>> is this a bug or a feature?
>>>
>>>
>>> -tomer
>>>
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>>
>>
>>
>
>
> --
> Steve Holden        +1 571 484 6266   +1 800 494 3119
> Holden Web LLC              http://www.holdenweb.com/
>
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-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)


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