embed python with console

main.cpp

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


// adapted from https://github.com/guowei8412/upp-mirror/blob/0325a2fab45b0b65b8bda7d293d4e03412145826/bazaar/PyTest/main.cpp
void SimpleCall()
{
        std::cout  << "Invoking a python statement:" << std::endl;
        PyRun_SimpleString(     "from time import time,ctime\n"
                                                "print('Today is',ctime(time()))\n");
}

void StartConsole()
{
        PyRun_SimpleString(     "import code\n"
                                                "code.interact()\n");
}

int main(int argc, char ** argv)
{
        std::cout  << "Starting Python..." << std::endl;
        Py_Initialize();

        SimpleCall();


        StartConsole();
        PyCompilerFlags cf;
        cf.cf_flags = 0;

        PyObject *m, *d;
        m = PyImport_AddModule("__main__");
        d = PyModule_GetDict(m);

        //this runs an interactive console loop on stdin
        int ret = PyRun_InteractiveLoopFlags(stdin, "<stdin>", &cf);


        std::cout  << "DONE." << std::endl;
}

// compile with
// g++ -I /usr/include/python3.7 main.cpp  -L/usr/lib/x86_64-linux-gnu/ -lpython3.7m -g
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