簡單的處理swig下python的list和數群組成員互轉的例子。

%module test
%{
#include "func.h"
%}
%include <typemaps.i>
/*
%typemap(in,numinputs=0) (char **buf,int *len)  (char *tmp=NULL, int iLen=0) {
    $1=&tmp;
    $2=&iLen;
}

%typemap(argout) (char **buf,int *len) {
printf("%s %d\n",tmp$argnum,iLen$argnum);
    $result=SWIG_Python_AppendOutput($result,PyString_FromStringAndSize(tmp$argnum,iLen$argnum));
    //free(tmp$argnum);
}

%typemap(freearg) (char **buf,int *len)  (char *tmp=NULL, int iLen=0) {
    free(*$1);
}
*/
%typemap(in,numinputs=0) (char **buf,int *len)  (char *tmp=NULL, int iLen=0) {
    $1=&tmp;
    $2=&iLen;
}

%typemap(argout,fragment="SWIG_FromCharPtrAndSize") (char **buf,int *len) {
printf("%s %d\n",tmp$argnum,iLen$argnum);
    $result=SWIG_Python_AppendOutput($result,SWIG_FromCharPtrAndSize(tmp$argnum,iLen$argnum));
    //free(tmp$argnum);
}
int test(char **buf,int *len);

%typemap(in) int[ANY](int temp[$1_dim0]) {
  int i;
  if (!PySequence_Check($input)) {
      PyErr_SetString(PyExc_TypeError,"Expecting a sequence");
      return NULL;
  }
  if (PyObject_Length($input) != $1_dim0) {
      PyErr_SetString(PyExc_ValueError,"Expecting a sequence with $1_dim0 elements");
      return NULL;
  }
  for (i =0; i < $1_dim0; i++) {
      PyObject *o = PySequence_GetItem($input,i);
      if (!PyInt_Check(o)) {
         Py_XDECREF(o);
         PyErr_SetString(PyExc_ValueError,"Expecting a sequence of floats");
         return NULL;
      }
      temp[i] = PyInt_AsLong(o);
      Py_DECREF(o);
  }
  $1 = &temp[0];
}

%typemap(out) int[ANY] {
  int i;
  
  PyObject *o=PyList_New($1_dim0);
  for(i=0;i<$1_dim0;i++)
  {
PyList_SetItem(o,i,PyInt_FromLong($1[i]));
  }
  
  $result=o;
}

typedef struct {
int x[10];
//char *names[20];
}T_Test;