npy_intp length = hashset.size();

std::cerr <<"hashset size:" << length << std::endl;

PyEval_RestoreThread(_save1);

NPY_ALLOW_C_API;

NPY_ARRAY_WRITEABLE,// flags

);

if (res_obj ==NULL) {

returnNULL;

}

std::cerr <<"res_obj created successfully." << std::endl;

PyArray_Descr *res_descr =PyArray_DESCR((PyArrayObject *)res_obj);

std::cerr <<"res_descr:" << (void*)res_descr << std::endl;

Py_INCREF(res_descr);

std::cerr <<"res_descr incremented successfully." << std::endl;

NPY_DISABLE_C_API;

PyThreadState *_save2 =PyEval_SaveThread();

std::cerr <<"save2:" << (void*)_save2 << std::endl;

auto save2_dealloc =finally([&]() {

PyEval_RestoreThread(_save2);

});

std::cerr <<"save2_dealloc completed successfully." << std::endl;

npy_string_allocator *out_allocator =NpyString_acquire_allocator((PyArray_StringDTypeObject *)res_descr);

std::cerr <<"out_allocator:" << (void*)out_allocator << std::endl;

auto out_allocator_dealloc =finally([&]() {

NpyString_release_allocator(out_allocator);

});

std::cerr <<"out_allocator_dealloc completed successfully." << std::endl;

char *odata =PyArray_BYTES((PyArrayObject *)res_obj);

npy_intp ostride =PyArray_STRIDES((PyArrayObject *)res_obj)[0];