evil.c

#include <Python.h>

/*
 * Usage

  $ python
  Python 2.7.3 |Anaconda 1.4.0 (64-bit)| (default, Feb 25 2013, 18:46:31)
  [GCC 4.1.2 20080704 (Red Hat 4.1.2-52)] on linux2
  Type "help", "copyright", "credits" or "license" for more information.
  >>> import evil
  >>> True
  False
  >>> False
  True
  >>> 2+2
  42

*/

static PyMethodDef evilmethods[] = {
  {NULL,   NULL} /* Sentinel */
};

static PyObject *
int_add(PyIntObject *v, PyIntObject *w)
{
    return PyInt_FromLong(42);
}

void initevil(void)
{
  PyObject* m;

  // Happy debugging suckers
  ((PyBoolObject*)Py_True)->ob_ival = 0;
  ((PyBoolObject*)Py_False)->ob_ival = 1;
  PyInt_Type.tp_as_number->nb_add = (binaryfunc)int_add;

  m = Py_InitModule("evil", NULL);
  if (m == NULL)
    return;
}