Python C/API simple debugging
Stefan Behnel
stefan_ml at behnel.de
Wed Nov 26 06:34:50 EST 2008
k3xji wrote:
> I am new to Python C API and finding it difficult to debug C
> extensions. So, basically I want to see the value of an integer value
> during the C API. Here is the code:
>
> #define LAST_MIX_VAL 0xDEADBEEF
>
> static PyObject *
> chash(PyObject *self, PyObject *args)
> {
> unsigned int key,result; //treat key like an usinged int.
> unsigned char a,b,c,d;
>
> key = result = 0;
> if (!PyArg_ParseTuple(args, "i", &key))
> return NULL;
>
> printf("Key:%i\n",Py_BuildValue("i", key));
> .
> .
> [...]
> - What is the preffered approach for these kind simple-debugging
> issue?
If you want to simplify this kind of debugging as well as the general code
writing itself, consider using Cython.
http://cython.org/
Apart from that, I'd use gdb for debugging these things. It does have a
learning curve, but in change gives you a lot more than just "print-debugging".
Stefan
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