Pybind11:绑定匿名枚举

// example.cpp
#include <pybind11/pybind11.h>

namespace py = pybind11;

// 定义匿名枚举
enum {
    COLOR_RED,
    COLOR_GREEN,
    COLOR_BLUE
};

PYBIND11_MODULE(example, m) {
    // 绑定匿名枚举
    py::enum_<decltype(COLOR_RED)>("Color", m, py::arbitrary_order())
        .value("COLOR_RED", COLOR_RED)
        .value("COLOR_GREEN", COLOR_GREEN)
        .value("COLOR_BLUE", COLOR_BLUE)
        .export_values();
}

cmake_minimum_required(VERSION 3.10)
project(example)

set(CMAKE_CXX_STANDARD 11)

find_package(pybind11 REQUIRED)

pybind11_add_module(example example.cpp)

import example

color_red = example.COLOR_RED
color_green = example.COLOR_GREEN
color_blue = example.COLOR_BLUE

print(color_red)  # 输出: 0
print(color_green)  # 输出: 1
print(color_blue)  # 输出: 2