PySequence_SetItem

[Bill Pursell]

Bill Pursell wrote:
> The following code is pretty much straight out of
> section 1.2.1.1 of the Python/C reference manual:
>
> #include <Python.h>
>
> int
> main(void)
> {
>         PyObject *l, *x;
>
>         Py_Initialize();
>
>         l = PyList_New(3);
>         x = PyInt_FromLong(1L);
>
>         if (l == NULL || x == NULL) {
>                 PyErr_Print();
>                 exit (EXIT_FAILURE);
>         }
>         PySequence_SetItem(l, 0, x);
>         Py_DECREF(x);
>
>         Py_Finalize();
>         return EXIT_SUCCESS;
> }

Also note that the problem goes away if I replace
the call to PySequence_SetItem with:
  PySequence_SetItem(l, 0, PyInt_FromLong(1L));
but the problem persists if I add a Py_INCREF(x)
after the assignment of x.  (Which seems like a
completely silly thing to do, but I'm grasping
at strings...)