python c++

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

#pragma comment(lib, "python34.lib")


void HelloWorld();
void Add();
void TestTransferdict();
void TestClass();

static PyObject *
__Test_Hello(PyObject *self, PyObject *args)
{
	printf("Hello, world++++++\n" );
	Py_INCREF(Py_None);
	return  Py_None;

}

static PyMethodDef GameMethods[] = {
	{"Test_Hello",           __Test_Hello, METH_NOARGS,    NULL},
	{NULL, NULL, 0, NULL}        
};

static struct PyModuleDef GameModule = {
	PyModuleDef_HEAD_INIT,
	"Game",
	NULL,
	0,
	GameMethods,
	NULL,
	NULL,
	NULL,
	NULL
};


PyMODINIT_FUNC
PyInit_Game(void)
{
	PyObject *module;

	module = PyModule_Create(&GameModule);
	if (module == NULL)
		return NULL;

	return module;
}



int main()
{
/*	char  buf[4] = {0};
	int &pi = *((int*)buf); 
	buf[0] = 1;
	buf[1] = 2;
	buf[2] = 3;
	buf[3] = 4;

	int i1 = unsigned char(pi);  
	int i2 = unsigned char(pi >> 8);  
	int i3 = unsigned char(pi >> 16);  
	int i4 = unsigned char(pi >> 24); 
*/

/*	cout<<"start test..."<<endl;
	
	cout<<"hello world();"<<endl;
	HelloWorld();

	cout<<"add();"<<endl;
	Add();

	cout<<"test_dist();"<<endl;
	TestTransferdict();*/

	PyImport_AppendInittab("Game", PyInit_Game);


	HelloWorld();

	system("pause");

	return 0;
}

void HelloWorld()
{
	Py_Initialize();

	PyObject* pMoudle = NULL;
	PyObject* pFunc = NULL;
	pMoudle = PyImport_ImportModule("Test001");
	pFunc = PyObject_GetAttrString(pMoudle,"HelloWorld");
	PyEval_CallObject(pFunc,NULL);

	Py_Finalize();
}

void Add()
{
	Py_Initialize();

	PyObject* pMoudle = NULL;
	PyObject* pFunc = NULL;
	pMoudle = PyImport_ImportModule("Test001");
	pFunc = PyObject_GetAttrString(pMoudle,"add");

	PyObject* pArgs = PyTuple_New(2);
	PyTuple_SetItem(pArgs,0,Py_BuildValue("i",5));
	PyTuple_SetItem(pArgs,1,Py_BuildValue("i",7));

	PyObject* pReturn = NULL;
	pReturn = PyEval_CallObject(pFunc,pArgs);

	int result;
	PyArg_Parse(pReturn,"i",&result);
	cout<<"5+7 = "<<result<<endl;

	Py_Finalize();
}

void TestTransferdict()
{
	Py_Initialize();
	PyObject* pMoudle = NULL;
	PyObject* pFunc = NULL;

	pMoudle = PyImport_ImportModule("Test001");
	pFunc = PyObject_GetAttrString(pMoudle,"TestDict");

	PyObject* pArgs = PyTuple_New(1);
	PyObject* pDict = PyDict_New();

	PyDict_SetItemString(pDict,"Name",Py_BuildValue("s","WangYao"));
	PyDict_SetItemString(pDict,"Age",Py_BuildValue("i",25));
	PyTuple_SetItem(pArgs,0,pDict);


	PyObject* pReturn = NULL;
	pReturn = PyEval_CallObject(pFunc,pArgs);
	int size = PyDict_Size(pReturn);
	cout<<"返回字典的大小为:"<<size<<endl;
	PyObject* pNewAge = PyDict_GetItemString(pReturn,"Age");

	int newAge;
	PyArg_Parse(pNewAge,"i",&newAge);
	cout<<"True age:"<<newAge<<endl;

	Py_Finalize();
}

void TestClass()
{
/*
	Py_Initialize();

	PyObject* pMoudle = NULL;
	PyObject* pFunc = NULL;

	pMoudle = PyImport_ImportModule("Test001");
	pFunc = PyObject_GetAttrString(pMoudle,"TestDict");

	PyObject* pClassPerson = PyObject_GetAttrString(pMoudle,"Person");
	PyObject* pInstancePerson = PyInstance_New(pClassPerson,NULL,NULL); //python3.4.2 不支持该api
	PyObject_CallMethod(pInstancePerson,"greet","s","hello kitty");

	Py_Finalize(); 
*/
}

 

转载于:https://www.cnblogs.com/kangbry/p/4384214.html