root/pymain.c

#include "Python.h"
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>


PyObject* py_main(PyObject *_, PyObject *args);

static PyMethodDef mtds[] = {
  {"py_main",  py_main,  METH_VARARGS},
  {NULL, NULL, 0,  NULL}
};



PyMODINIT_FUNC initpymain(void)
{
  Py_InitModule("pymain", mtds);
}

void* dead(void*_)
{
  for(;;) {
    puts("...");
    sleep(3);
  }
}

void blah(int argc, char **argv)
{
  int i;
  pthread_t t;

  for(i = 0; i < argc; ++i)
    puts(argv[i]);


  pthread_create(&t, NULL, dead, NULL);
}

PyObject* py_main(PyObject *_, PyObject *args)
{
  int sz;
  int i;
  int argc;
  char ** argv;

  if(!PyTuple_Check(args)) Py_RETURN_NONE;

  sz = PyTuple_Size(args);
  for(i = 0; i < sz; ++i)
    if(!PyString_Check(PyTuple_GetItem(args, i)))
      Py_RETURN_NONE;


  argc = sz + 1;
  argv = malloc(argc * sizeof(char *));
  
  argv[0] = "py ewm II";
  for(i = 1; i < argc; ++i) {
    const char *str = PyString_AsString(PyTuple_GetItem(args, i - 1));
    argv[i] = malloc(strlen(str + 1));
    strcpy(argv[i], str);
  }

  blah(argc, argv);
  Py_RETURN_NONE;
}