无法从pybind11中的静态函数返回shared_ptr

#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <memory>

namespace py = pybind11;

std::shared_ptr<int> create_shared_ptr() {
    return std::make_shared<int>(42);
}

PYBIND11_MODULE(example, m) {
    m.def("create_shared_ptr", []() {
        std::shared_ptr<int> ptr = create_shared_ptr();
        return py::capsule(ptr.get(), [](void* ptr) {
            // 释放资源
            std::shared_ptr<int>* shared_ptr = static_cast<std::shared_ptr<int>*>(ptr);
            delete shared_ptr;
        });
    });
}

import example

ptr = example.create_shared_ptr()
print(ptr)  # <capsule object "int" at 0x7f8b0e2c0b70>
print(ptr.value)  # 42

#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <memory>

namespace py = pybind11;

std::shared_ptr<int> create_shared_ptr() {
    return std::make_shared<int>(42);
}

PYBIND11_MODULE(example, m) {
    m.def("create_shared_ptr", py::cpp_function(&create_shared_ptr));
}

import example

ptr = example.create_shared_ptr()
print(ptr)  # <capsule object "std::shared_ptr<int>" at 0x7f8b0e2c0b70>
print(ptr.value)  # 42