int main() {
Py_Initialize();
if (!Py_IsInitialized())
return -1;
PyRun_SimpleString("import sys");
PyRun_SimpleString("sys.path.append('./')");
//导入模块
PyObject* pModule = PyImport_ImportModule("testpy");
if (!pModule) {
printf("Cant open python file!/n");
return -1;
}
//模块的字典列表
PyObject* pDict = PyModule_GetDict(pModule);
if (!pDict) {
printf("Cant find dictionary./n");
return -1;
}
//打印出来看一下
printDict(pDict);
//演示函数调用
PyObject* pFunHi = PyDict_GetItemString(pDict, "sayhi");
PyObject_CallFunction(pFunHi, "s", "lhb");
Py_DECREF(pFunHi);
//演示构造一个Python对象，并调用Class的方法
//获取Second类
PyObject* pClassSecond = PyDict_GetItemString(pDict, "Second");
if (!pClassSecond) {
printf("Cant find second class./n");
return -1;
}
//获取Person类
PyObject* pClassPerson = PyDict_GetItemString(pDict, "Person");
if (!pClassPerson) {
printf("Cant find person class./n");
return -1;
}
//构造Second的实例
PyObject* pInstanceSecond = PyInstance_New(pClassSecond, NULL, NULL);
if (!pInstanceSecond) {
printf("Cant create second instance./n");
return -1;
}
//构造Person的实例
PyObject* pInstancePerson = PyInstance_New(pClassPerson, NULL, NULL);
if (!pInstancePerson) {
printf("Cant find person instance./n");
return -1;
}
//把person实例传入second的invoke方法
PyObject_CallMethod(pInstanceSecond, "invoke", "O", pInstancePerson);
//释放
Py_DECREF(pInstanceSecond);
Py_DECREF(pInstancePerson);
Py_DECREF(pClassSecond);
Py_DECREF(pClassPerson);
Py_DECREF(pModule);
Py_Finalize();
return 0;
}
int
printDict( dictionary_t *dictionary ) {
int i;
printf( " {\n" );
for ( i = 0; i < dictionary->len; i++ ) {
char valueStr[NAME_LEN];
if ( strcmp( dictionary->value[i].type_PI, Dictionary_MS_T ) == 0 ) {
printf( " %s: ", dictionary->key[i] );
printDict( ( dictionary_t * ) dictionary->value[i].ptr );
}
else if ( strcmp( dictionary->value[i].type_PI, GenArray_MS_T ) == 0 ) {
printf( " %s: ", dictionary->key[i] );
printGenArray( ( genArray_t * ) dictionary->value[i].ptr );
}
else {
getStrByType_PI( dictionary->value[i].type_PI,
dictionary->value[i].ptr, valueStr );
printf( " %s: %s\n", dictionary->key[i], valueStr );
}
}
printf( " }\n" );
return ( 0 );
}
int main() {
Py_Initialize();
if (!Py_IsInitialized())
return -1;
PyRun_SimpleString("import sys");
PyRun_SimpleString("sys.path.append('./')");
PyObject* pModule = PyImport_ImportModule("testpy");
if (!pModule) {
printf("Cant open python file!\n");
return -1;
}
PyObject* pDict = PyModule_GetDict(pModule);
if (!pDict) {
printf("Cant find dictionary.\n");
return -1;
}
printDict(pDict);
PyObject* pFunHi = PyDict_GetItemString(pDict, "sayhi");
PyObject_CallFunction(pFunHi, "s", "lhb");
Py_DECREF(pFunHi);
PyObject* pClassSecond = PyDict_GetItemString(pDict, "Second");
if (!pClassSecond) {
printf("Cant find second class.\n");
return -1;
}
PyObject* pClassPerson = PyDict_GetItemString(pDict, "Person");
if (!pClassPerson) {
printf("Cant find person class.\n");
return -1;
}
PyObject* pInstanceSecond = PyInstance_New(pClassSecond, NULL, NULL);
if (!pInstanceSecond) {
printf("Cant create second instance.\n");
return -1;
}
PyObject* pInstancePerson = PyInstance_New(pClassPerson, NULL, NULL);
if (!pInstancePerson) {
printf("Cant find person instance.\n");
return -1;
}
PyObject_CallMethod(pInstanceSecond, "invoke", "O", pInstancePerson);
Py_DECREF(pInstanceSecond);
Py_DECREF(pInstancePerson);
Py_DECREF(pClassSecond);
Py_DECREF(pClassPerson);
Py_DECREF(pModule);
Py_Finalize();
return 0;
}
int
printDictArray( dictArray_t *dictArray ) {
int i;
if ( dictArray == NULL ) {
return 0;
}
for ( i = 0; i < dictArray->len; i++ ) {
printDict( &dictArray->dictionary[i] );
}
return 0;
}
int
printGenArray( genArray_t *genArray ) {
int i;
printf( " [\n" );
for ( i = 0; i < genArray->len; i++ ) {
if ( strcmp( genArray->value[i].type_PI, Dictionary_MS_T ) == 0 ) {
printDict( ( dictionary_t * ) genArray->value[i].ptr );
}
else if ( strcmp( genArray->value[i].type_PI, GenArray_MS_T ) == 0 ) {
printGenArray( ( genArray_t * ) genArray->value[i].ptr );
}
else {
char valueStr[NAME_LEN];
getStrByType_PI( genArray->value[i].type_PI,
genArray->value[i].ptr, valueStr );
printf( " %s\n", valueStr );
}
}
printf( " ]\n" );
return ( 0 );
}
int main(void)
{
Py_Initialize();
if(!Py_IsInitialized())
return -1;
PyRun_SimpleString("import sys");
//where you put your py file
PyRun_SimpleString("sys.path.append('../')");
//Import
PyObject* pModule = PyImport_ImportModule("pc");//no *.py
if(!pModule)
{
printf("can't open python file!\n");
return -1;
}
//Dict module
PyObject* pDict = PyModule_GetDict(pModule);
if(!pDict)
{
printf("can't find dictionary.\n");
return -1;
}
printDict(pDict);
PyObject *pFunHi = PyDict_GetItemString(pDict, "sayHi");
PyObject_CallFunction(pFunHi, "s", "yourname");// @para1: obj, @para2: name
//release
Py_DECREF(pFunHi);
//Contruct a obj , call it's function
//Second Class
PyObject *pClassSecond = PyDict_GetItemString(pDict , "Second");
if(!pClassSecond)
{
printf("can't find second class.\n");
return -1;
}
//Person Class
PyObject *pClassPerson = PyDict_GetItemString(pDict, "Person");
if(!pClassPerson)
{
printf("can't find Person class.\n");
return -1;
}
//Construct Second Instance
PyObject* pInstanceSecond = PyInstance_New(pClassSecond, NULL, NULL);
if(!pInstanceSecond)
{
printf("can't create second instance.\n");
return -1;
}
//Construct Person Instance
PyObject *pInstancePerson = PyInstance_New(pClassPerson, NULL, NULL);
if(!pInstancePerson)
{
printf("can't create Person instance.\n");
return -1;
}
//pass Person Instance to Second Instance
PyObject_CallMethod(pInstanceSecond, "invoke", "O", pInstancePerson);
PyObject_CallMethod(pInstanceSecond, "method2", "O", pInstancePerson);
//call execute a py file
PyRun_SimpleString("exec(compile(open('./1.py').read(),'1.py', 'exec'),locals(), globals())");
//release
Py_DECREF(pInstanceSecond);
Py_DECREF(pInstancePerson);
Py_DECREF(pClassSecond);
Py_DECREF(pClassPerson);
Py_DECREF(pModule);
Py_Finalize();
return 0;
}
int CallPy()
{
Py_Initialize();
if (!Py_IsInitialized())
return -1;
//c调用python:
//直接执行python脚本
PyRun_SimpleString("import sys");
PyRun_SimpleString("sys.path.append('./')");
//导入模块
PyObject* pTestModule = PyImport_ImportModule("testpy");
if (!pTestModule) {
printf("Cant open python file!\n");
return -1;
}
//模块的字典列表
PyObject* pDict = PyModule_GetDict(pTestModule);
if (!pDict) {
printf("Cant find dictionary.\n");
return -1;
}
//打印模块的字典
printDict(pDict);
//演示函数调用
PyObject* pFunHi = PyDict_GetItemString(pDict, "HelloWorld");
PyObject_CallFunction(pFunHi, "s", "Hello World!");
//Py_DECREF(pFunHi); //不用减少引用计数
//Py_DECREF(pDict);
Py_DECREF(pTestModule);
/*********************************************************************/
//python 调用c:
//手动导入cmodule到python环境
initcmodule();
//直接脚本调用,验证python已经导入cmodule模块
PyRun_SimpleString("import cmodule");
PyRun_SimpleString("print 'call in python: ', cmodule.print_info(123)");
//程序调用
PyObject* pCmodule = PyImport_ImportModule("cmodule");
PyObject* cprint_info = PyObject_GetAttrString(pCmodule, "print_info");
if (!PyCallable_Check(cprint_info)) {
PyErr_SetString(PyExc_TypeError, "parameter must be callable");
return NULL;
}
int iarg = 9;
PyObject* result = PyObject_CallFunction(cprint_info, "i", iarg) ;
if (result == NULL) {
return -1;
}
int i = 0, i2 = 0;
int ok = PyArg_ParseTuple(result, "ii", &i,&i2); //返回多个参数
//i = PyInt_AsLong(result); //返回一个参数
printf("cmodule return: %d %d %d \n", ok, i, i2);
Py_DECREF(result);
Py_DECREF(cprint_info);
Py_DECREF(pCmodule);
Py_Finalize();
return 0;
}
