Sample code to call a python function in cpp

python_in_cpp.cpp

#include <python2.7/Python.h>
#include <iostream>

int main(int argc, char *argv[])
{
    PyObject *pModule, *pModuleName, *pDict, *pFunc, *pValue, *pArgs; 
    Py_Initialize();

    pModuleName = PyString_FromString("pie");
    pModule = PyImport_Import(pModuleName);
    pDict = PyModule_GetDict(pModule);
    pFunc = PyDict_GetItemString(pDict, "foo");

    if (PyCallable_Check(pFunc))
    {   
        pArgs = PyTuple_New(2);
        pValue = PyString_FromString("foo");
        PyTuple_SetItem(pArgs, 0, pValue);

        pValue = PyString_FromString("bar");
        PyTuple_SetItem(pArgs, 1, pValue);

        pValue = PyObject_CallObject(pFunc, pArgs);
    }   
    else
    {   
        PyErr_Print();
    }   
    PyErr_Print();
    printf("%s\n", PyString_AsString(pValue));

    Py_DECREF(pModule);
    Py_DECREF(pModuleName);
    Py_Finalize();

    
    return 0;
}