[MATRIX-SIG] Seg fault with slice

[viennet@lipn.univ-paris13.fr]

Janko Hauser writes:
> 
> Any ideas? seg faults are real show stopper in python.
> 

 Thanks to people like yourself, experimenting strange ideas, seg
faults are exceptional...

 I didn't understood your example, but Python should not crash.
The bug is in NumPy/arrayobject.c. Here is a quick patch:

646,647c646,651
<               if (!is_slice) op1 = PySequence_GetItem(op, i);
< 
---
>              if (!is_slice) {
>                 if (!(op1=PySequence_GetItem(op, i))) {
>                   PyErr_SetString(PyExc_IndexError, "invalid index");
>                   return -1;
>                 }
>               }



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