python呼び出しcの関数

  ： python3.6       ，   python3.6       ，    ，   “ ”      ->          

#include 
#include 
using namespace std;
vector<int>images_data;
for(int i=0;i<5;i++){
    images_data.push_back(i);
}
//   ("i"    )
PyObject* get_image_size(PyObject* self, PyObject* o)
{   
    int length = images_data.size();
    return Py_BuildValue("i", length);
}
//   ， vector  tuple
PyObject* get_image_data(PyObject* self, PyObject* o)
{
    PyObject* tuple = PyTuple_New(images_data.size());
    for (int i = 0; i < images_data.size(); i++) {
        PyTuple_SetItem(tuple, i, Py_BuildValue("i", images_size[i]));
    }
    return tuple;
}
//  
PyObject* camera_lock(PyObject* self, PyObject* o) {
    images_data.lock();
    return o;
}
//  
PyObject* camera_unlock(PyObject* self, PyObject* o) {
    images_data.unlock();
    return o;
}
//             
static PyMethodDef panoramamodule_methods[] = { 
    { "get_image_size", (PyCFunction)get_image_size, METH_O, nullptr },
    { "get_image_data", (PyCFunction)get_image_data, METH_O, nullptr },
    { "camera_lock", (PyCFunction)camera_lock, METH_O, nullptr },
    { "camera_unlock", (PyCFunction)camera_unlock, METH_O, nullptr },
    { nullptr, nullptr, 0, nullptr }
};
//    
static PyModuleDef panoramamodule_module = {
    PyModuleDef_HEAD_INIT,
    "panoramamodule",
    "Provides panorama image data",
    0,
    panoramamodule_methods
};
//    ，        .pyd       
PyMODINIT_FUNC PyInit_panoramamodule() {
    return PyModule_Create(&panoramamodule_module);
}

#  panoramamodule，           ，      0
from panoramamodule import *
import numpy as np
image_size =get_image_size(0)
image_data =np.array(get_image_data(0))