将Python代码嵌入C++程序进行编写的实例

#include <iostream>
#include <Python.h>
using namespace std;

int main(int argc, char* argv[])
{
  Py_Initialize();  //初始化

  PyObject* pModule = NULL;
  PyObject* pFunc = NULL;
  PyObject* pParam = NULL;
  PyObject* pResult = NULL;
  const char* pBuffer = NULL;
  int iBufferSize = 0;

  pModule = PyImport_ImportModule(“test_python");

  if (!pModule)
  {
    cout << "get module failed!" << endl;
    exit (0);
  }

  pFunc = PyObject_GetAttrString(pModule, "main");
  if (!pFunc)
  {
    cout << "get func failed!" << endl;
    cout << int(pFunc) << endl;
    exit (0);
  }
  pParam = Py_BuildValue("(s)", "HEHEHE");
  pResult = PyEval_CallObject(pFunc,pParam);
  if(pResult)
  {
    if(PyArg_Parse(pResult, "(si)", &pBuffer, iBufferSize))
    {
      cout << pBuffer << endl;
      cout << iBufferSize << endl;
    }
  }
  Py_DECREF(pParam);
  Py_DECREF(pFunc);

  Py_Finalize();
  //cout << "hello" << endl;
  return 0;
}

def main(szString):
  return ("hello", 5)