111 lines
3.0 KiB
Python
111 lines
3.0 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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示例：后台主程序如何启动 GUI
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将此文件放在后台工程根目录，作为参考
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"""
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import subprocess
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import sys
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import os
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class GUIManager:
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"""GUI 进程管理器"""
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def __init__(self, api_host='127.0.0.1', api_port=5050):
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self.api_host = api_host
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self.api_port = api_port
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self.gui_process = None
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def start_gui(self):
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"""启动 GUI 前端"""
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gui_script = os.path.join(
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os.path.dirname(__file__),
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'frontend_gui',
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'launch_gui.py'
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)
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if not os.path.exists(gui_script):
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print(f"错误: GUI 启动脚本不存在: {gui_script}")
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return False
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print(f"启动 GUI 前端...")
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print(f" API 地址: http://{self.api_host}:{self.api_port}")
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try:
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self.gui_process = subprocess.Popen(
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[
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sys.executable,
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gui_script,
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'--api-host', self.api_host,
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'--api-port', str(self.api_port),
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'--debug'
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],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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cwd=os.path.dirname(os.path.abspath(__file__))
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)
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print(f"GUI 进程已启动，PID: {self.gui_process.pid}")
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return True
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except Exception as e:
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print(f"启动 GUI 失败: {e}")
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return False
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def stop_gui(self):
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"""停止 GUI 进程"""
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if self.gui_process:
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print("正在关闭 GUI...")
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self.gui_process.terminate()
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try:
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self.gui_process.wait(timeout=5)
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print("GUI 已关闭")
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except subprocess.TimeoutExpired:
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print("GUI 未响应，强制关闭")
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self.gui_process.kill()
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self.gui_process.wait()
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def is_running(self):
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"""检查 GUI 是否运行"""
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if self.gui_process:
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return self.gui_process.poll() is None
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return False
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def main():
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"""示例：在后台程序中集成 GUI 启动"""
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print("=== 后台主程序示例 ===")
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# 1. 启动后台服务（这里省略，实际应该启动 Flask 等）
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print("1. 后台服务启动...")
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# 2. 创建 GUI 管理器并启动 GUI
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gui_manager = GUIManager(api_host='127.0.0.1', api_port=5050)
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if gui_manager.start_gui():
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print("2. GUI 前端已启动")
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else:
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print("2. GUI 前端启动失败")
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return
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# 3. 等待用户操作
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try:
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print("\n系统运行中，按 Ctrl+C 退出...\n")
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while gui_manager.is_running():
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import time
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time.sleep(1)
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print("GUI 已退出")
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except KeyboardInterrupt:
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print("\n收到退出信号")
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finally:
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# 4. 清理
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gui_manager.stop_gui()
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print("后台服务关闭")
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if __name__ == '__main__':
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main()
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