[Python-Dev] Is it intentional that "sys.__debug__ = 1" is illegal in Python 2.7?

[Michael Foord]

On 30/07/2010 21:53, Barry Warsaw wrote:
> On Jul 30, 2010, at 01:42 PM, Guido van Rossum wrote:
>
>    
>> Well it is a reserved name so those packages that were setting it
>> should have known that they were using undefined behavior that could
>> change at any time.
>>      
> Shouldn't it be described here then?
>
> http://docs.python.org/reference/lexical_analysis.html#identifiers
>    

And raise a DeprecationWarning one release before becoming invalid syntax?

Michael

> -Barry
>    
>
>
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