1. 将py文件导入到python安装库的目录;
2. 编写调用python的c++代码:
void Test::init_numpy() { import_array(); } //init python environment Test:Test() { Py_SetPythonHome("c:\\Python2.7"); Py_Initialize(); init_numpy(); PyObject * m_pModule = PyImport_ImportModule("modul_name"); PyObject * m_pFunc = PyObject_GetAttrString(m_pModule, "func_name"); } Test:~Test() { Py_Finalize(); } Mat Test::call_python_func(Mat &src, Mat &dst) { PyObject * m1 = mat2py(src); PyObject * m2 = mat2py(dst); PyObject * ArgArray = PyTuple_New(2); PyTuple_SetItem(ArgArray, 0, m1); PyTuple_SetItem(ArgArray, 0, m2); PyObject * pRet = PyObject_CallObject(m_pFunc, ArgArray); PyDecREF(ArgArray); if (pRet == NULL) { } else { py2mat(pRet, tmpMat); retMat = tmpMat.clone(); PyDecREF(pRet); } return retMat; }
3. 注意事项:要正确释放PyObject, 否则会出现内存泄露或者奇怪的crash;
4. 可以参考blender的代码,里面有很多c++调用python的例子;