laser_cal/node_caller/laser_wrapper.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Node.js 调用的 Python 桥梁脚本。
该脚本负责加载编译好的 entry.so / entry.pyd 共享库，并处理来自 Node.js 的 JSON 请求。
"""

import sys
import json
import os
from pathlib import Path

# 将 dist/program 目录加入 sys.path，以便能导入 entry.so/.pyd
BIN_DIR = Path(__file__).parent.parent / "dist" / "program"
sys.path.insert(0, str(BIN_DIR))

# 尝试导入编译好的共享库，如果失败则尝试导入源码（开发模式）
try:
    import entry
except ImportError as e:
    print(json.dumps({"error": f"Failed to load entry module: {e}"}))
    sys.exit(1)

def main():
    if len(sys.argv) < 2:
        print(json.dumps({"error": "No API specified"}))
        sys.exit(1)

    api_name = sys.argv[1]

    try:
        if api_name == "getpath":
            result_json = entry.get_path()
            print(result_json)
            
        elif api_name == "loaddata":
            if len(sys.argv) < 3:
                print(json.dumps({"error": "No data"}))
                sys.exit(1)
            result_json = entry.load_data(sys.argv[2])
            print(result_json)
            
        elif api_name == "historydata":
            if len(sys.argv) < 3:
                print(json.dumps({"error": "No data"}))
                sys.exit(1)
            result_json = entry.history_data(sys.argv[2])
            print(result_json)
            
        elif api_name == "deletedata":
            if len(sys.argv) < 3:
                print(json.dumps({"error": "No data"}))
                sys.exit(1)
            result_json = entry.delete_data(sys.argv[2])
            print(result_json)
            
        else:
            print(json.dumps({"error": "Invalid API"}))
            
    except Exception as e:
        print(json.dumps({"error": str(e)}))

if __name__ == "__main__":
    main()