start_server.py

#!/usr/bin/env python3
"""
启动脚本 - 痞满症智能诊疗系统
用于解决模块导入问题，并提供更好的启动体验
"""

import os
import sys
from pathlib import Path

# 添加项目根目录到 Python 路径
project_root = Path(__file__).parent
if str(project_root) not in sys.path:
    sys.path.insert(0, str(project_root))

# 优先加载 .env 环境变量（若存在）
try:
    from dotenv import load_dotenv
    env_path = project_root / ".env"
    load_dotenv(dotenv_path=env_path if env_path.exists() else None)
except Exception:
    pass

def main():
    """主启动函数"""
    
    # 检查 API Key
    api_key = os.getenv("DEEPSEEK_API_KEY")
    # api_key = "sk-92205c60545442ceb773af800c2ba6ab"
    if not api_key:
        print("❌ 错误: 未找到 DEEPSEEK_API_KEY 环境变量")
        print("\n请先设置 API Key:")
        print("Windows PowerShell: $env:DEEPSEEK_API_KEY=\"your_api_key\"")
        print("Windows CMD: set DEEPSEEK_API_KEY=your_api_key")
        print("Linux/macOS: export DEEPSEEK_API_KEY=\"your_api_key\"")
        return 1
    
    # 检查依赖
    try:
        import fastapi
        import uvicorn
        import httpx
        import openai
        import sklearn
    except ImportError as e:
        print(f"❌ 错误: 缺少依赖包 {e}")
        print("\n请安装依赖:")
        print("pip install -r requirements.txt")
        return 1
    
    print("🚀 启动痞满症智能诊疗系统...")
    print(f"📁 项目路径: {project_root}")
    print(f"🔑 API Key: {api_key[:4]}...")
    print(f"📖 API文档: http://localhost:8000/docs")
    print(f"❤️  健康检查: http://localhost:8000/health")
    print(f"🖥️  前端页面: http://localhost:8000/")
    print("\n按 Ctrl+C 停止服务器\n")
    
    # 导入并启动应用
    try:
        import uvicorn
        uvicorn.run(
            "app.main:app", 
            host="0.0.0.0", 
            port=8000, 
            reload=True,
            access_log=True
        )
    except KeyboardInterrupt:
        print("\n👋 服务器已停止")
        return 0
    except Exception as e:
        print(f"❌ 启动失败: {e}")
        return 1

if __name__ == "__main__":
    sys.exit(main())