[Python-Dev] Fixing _PyEval_SliceIndex so that integer-like objects can be used

[Travis Oliphant]

Guido van Rossum wrote:

>>Would it be possible to change
>>
>>_PyEval_SliceIndex  in ceval.c
>>
>>so that rather than throwing an error if the indexing object is not an
>>integer, the code first checks to see if the object has a
>>tp_as_number->nb_int method and calls it instead.
>>    
>>
>
>I don't think this is the right solution; since float has that method,
>it would allow floats to be used as slice indices, 
>  
>
O.K.,

then how about if arrayobjects can make it in the core, then a check for 
a rank-0 integer-type
arrayobject is allowed before raising an exception?

-Travis