C++ 调用 Python 模块

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// C++ call Python module 
// author: huihut
// repo: https://gist.github.com/huihut/b4597d097123a8c8388c71b3f0ff21e5

#include <iostream>
#include <Python.h>

// C++ call Python module
bool CppCallPython()
{
// Python initialize
Py_Initialize();
if (!Py_IsInitialized())
{
std::cout << "Python initialization failed!\n";
return false;
}

// If my MyPython.py file is in "/Users/xx/code", set the working path to "/Users/xx/code"
std::string path = "/Users/xx/code";
PySys_SetPath(&path[0u]);

// Import MyPython.py module
PyObject* pModule = PyImport_ImportModule("MyPython");
if (!pModule)
{
std::cout <<"Cannot open Python file!\n";
return false;
}

// Get the HelloPython() function in the module
PyObject* pFunhello = PyObject_GetAttrString(pModule, "HelloPython");
if (!pFunhello)
{
std::cout << "Failed to get this function!";
return false;
}

// Call HelloPython()
PyObject_CallFunction(pFunhello, NULL);

// Finalize
Py_Finalize();

return true;
}
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