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main.py
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518
main.py
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"""
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LocalAgent - Windows 本地 AI 执行助手 (MVP)
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========================================
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配置说明
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========================================
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1. 复制 .env.example 为 .env
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2. 在 .env 中填入你的 SiliconFlow API Key:
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LLM_API_KEY=sk-xxxxx
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========================================
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运行方式
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========================================
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方式一:使用 Anaconda
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conda create -n localagent python=3.10
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conda activate localagent
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pip install -r requirements.txt
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python main.py
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方式二:直接运行(需已安装依赖)
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python main.py
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========================================
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测试方法
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========================================
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1. 对话测试:输入 "今天天气怎么样" → 应识别为 chat
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2. 执行测试:
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- 将测试文件放入 workspace/input 目录
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- 输入 "把这些文件复制一份" → 应识别为 execution
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- 确认执行后,检查 workspace/output 目录
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========================================
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"""
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import os
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import sys
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import tkinter as tk
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from tkinter import messagebox
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from pathlib import Path
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from typing import Optional
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from dotenv import load_dotenv
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import threading
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import queue
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# 确保项目根目录在 Python 路径中
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PROJECT_ROOT = Path(__file__).parent
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ENV_PATH = PROJECT_ROOT / ".env"
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sys.path.insert(0, str(PROJECT_ROOT))
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# 在导入其他模块之前先加载环境变量
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load_dotenv(ENV_PATH)
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from llm.client import get_client, LLMClientError
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from llm.prompts import (
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EXECUTION_PLAN_SYSTEM, EXECUTION_PLAN_USER,
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CODE_GENERATION_SYSTEM, CODE_GENERATION_USER
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)
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from intent.classifier import classify_intent, IntentResult
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from intent.labels import CHAT, EXECUTION
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from safety.rule_checker import check_code_safety
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from safety.llm_reviewer import review_code_safety
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from executor.sandbox_runner import SandboxRunner, ExecutionResult
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from ui.chat_view import ChatView
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from ui.task_guide_view import TaskGuideView
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class LocalAgentApp:
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"""
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LocalAgent 主应用
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职责:
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1. 管理 UI 状态切换
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2. 协调各模块工作流程
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3. 处理用户交互
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"""
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def __init__(self):
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self.workspace = PROJECT_ROOT / "workspace"
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self.runner = SandboxRunner(str(self.workspace))
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# 当前任务状态
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self.current_task: Optional[dict] = None
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# 线程通信队列
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self.result_queue = queue.Queue()
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# 初始化 UI
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self._init_ui()
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def _init_ui(self):
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"""初始化 UI"""
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self.root = tk.Tk()
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self.root.title("LocalAgent - 本地 AI 助手")
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self.root.geometry("800x700")
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self.root.configure(bg='#1e1e1e')
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# 设置窗口图标(如果有的话)
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try:
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self.root.iconbitmap(PROJECT_ROOT / "icon.ico")
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except:
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pass
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# 主容器
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self.main_container = tk.Frame(self.root, bg='#1e1e1e')
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self.main_container.pack(fill=tk.BOTH, expand=True)
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# 聊天视图
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self.chat_view = ChatView(self.main_container, self._on_user_input)
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# 任务引导视图(初始隐藏)
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self.task_view: Optional[TaskGuideView] = None
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# 定期检查后台任务结果
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self._check_queue()
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def _check_queue(self):
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"""检查后台任务队列"""
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try:
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while True:
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callback, args = self.result_queue.get_nowait()
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callback(*args)
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except queue.Empty:
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pass
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# 每 100ms 检查一次
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self.root.after(100, self._check_queue)
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def _run_in_thread(self, func, callback, *args):
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"""在后台线程运行函数,完成后回调"""
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def wrapper():
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try:
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result = func(*args)
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self.result_queue.put((callback, (result, None)))
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except Exception as e:
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self.result_queue.put((callback, (None, e)))
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thread = threading.Thread(target=wrapper, daemon=True)
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thread.start()
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def _on_user_input(self, user_input: str):
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"""处理用户输入"""
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# 显示用户消息
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self.chat_view.add_message(user_input, 'user')
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self.chat_view.set_input_enabled(False)
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self.chat_view.add_message("正在分析您的需求...", 'system')
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# 在后台线程进行意图识别
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self._run_in_thread(
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classify_intent,
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lambda result, error: self._on_intent_result(user_input, result, error),
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user_input
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)
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def _on_intent_result(self, user_input: str, intent_result: Optional[IntentResult], error: Optional[Exception]):
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"""意图识别完成回调"""
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if error:
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self.chat_view.add_message(f"意图识别失败: {str(error)}", 'error')
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self.chat_view.set_input_enabled(True)
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return
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if intent_result.label == CHAT:
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# 对话模式
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self._handle_chat(user_input, intent_result)
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else:
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# 执行模式
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self._handle_execution(user_input, intent_result)
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def _handle_chat(self, user_input: str, intent_result: IntentResult):
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"""处理对话任务"""
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self.chat_view.add_message(
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f"识别为对话模式 (原因: {intent_result.reason})",
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'system'
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)
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self.chat_view.add_message("正在生成回复...", 'system')
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# 在后台线程调用 LLM
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def do_chat():
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client = get_client()
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model = os.getenv("GENERATION_MODEL_NAME")
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return client.chat(
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messages=[{"role": "user", "content": user_input}],
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model=model,
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temperature=0.7,
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max_tokens=2048
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)
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self._run_in_thread(
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do_chat,
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self._on_chat_result
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)
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def _on_chat_result(self, response: Optional[str], error: Optional[Exception]):
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"""对话完成回调"""
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if error:
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self.chat_view.add_message(f"对话失败: {str(error)}", 'error')
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else:
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self.chat_view.add_message(response, 'assistant')
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self.chat_view.set_input_enabled(True)
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def _handle_execution(self, user_input: str, intent_result: IntentResult):
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"""处理执行任务"""
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self.chat_view.add_message(
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f"识别为执行任务 (置信度: {intent_result.confidence:.0%})\n原因: {intent_result.reason}",
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'system'
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)
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self.chat_view.add_message("正在生成执行计划...", 'system')
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# 保存用户输入和意图结果
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self.current_task = {
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'user_input': user_input,
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'intent_result': intent_result
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}
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# 在后台线程生成执行计划
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self._run_in_thread(
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self._generate_execution_plan,
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self._on_plan_generated,
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user_input
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)
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def _on_plan_generated(self, plan: Optional[str], error: Optional[Exception]):
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"""执行计划生成完成回调"""
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if error:
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self.chat_view.add_message(f"生成执行计划失败: {str(error)}", 'error')
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self.chat_view.set_input_enabled(True)
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self.current_task = None
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return
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self.current_task['execution_plan'] = plan
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self.chat_view.add_message("正在生成执行代码...", 'system')
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# 在后台线程生成代码
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self._run_in_thread(
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self._generate_code,
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self._on_code_generated,
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self.current_task['user_input'],
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plan
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)
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def _on_code_generated(self, code: Optional[str], error: Optional[Exception]):
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"""代码生成完成回调"""
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if error:
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self.chat_view.add_message(f"生成代码失败: {str(error)}", 'error')
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self.chat_view.set_input_enabled(True)
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self.current_task = None
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return
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self.current_task['code'] = code
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self.chat_view.add_message("正在进行安全检查...", 'system')
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# 硬规则检查(同步,很快)
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rule_result = check_code_safety(code)
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if not rule_result.passed:
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violations = "\n".join(f" • {v}" for v in rule_result.violations)
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self.chat_view.add_message(
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f"安全检查未通过,任务已取消:\n{violations}",
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'error'
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)
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self.chat_view.set_input_enabled(True)
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self.current_task = None
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return
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# 在后台线程进行 LLM 安全审查
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self._run_in_thread(
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review_code_safety,
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self._on_safety_reviewed,
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self.current_task['user_input'],
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self.current_task['execution_plan'],
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code
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)
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def _on_safety_reviewed(self, review_result, error: Optional[Exception]):
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"""安全审查完成回调"""
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if error:
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self.chat_view.add_message(f"安全审查失败: {str(error)}", 'error')
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self.chat_view.set_input_enabled(True)
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self.current_task = None
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return
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if not review_result.passed:
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self.chat_view.add_message(
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f"安全审查未通过: {review_result.reason}",
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'error'
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)
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self.chat_view.set_input_enabled(True)
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self.current_task = None
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return
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self.chat_view.add_message("安全检查通过,请确认执行", 'system')
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# 显示任务引导视图
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self._show_task_guide()
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def _generate_execution_plan(self, user_input: str) -> str:
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"""生成执行计划"""
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client = get_client()
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model = os.getenv("GENERATION_MODEL_NAME")
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response = client.chat(
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messages=[
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{"role": "system", "content": EXECUTION_PLAN_SYSTEM},
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{"role": "user", "content": EXECUTION_PLAN_USER.format(user_input=user_input)}
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],
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model=model,
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temperature=0.3,
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max_tokens=1024
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)
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return response
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def _generate_code(self, user_input: str, execution_plan: str) -> str:
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"""生成执行代码"""
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client = get_client()
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model = os.getenv("GENERATION_MODEL_NAME")
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response = client.chat(
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messages=[
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{"role": "system", "content": CODE_GENERATION_SYSTEM},
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{"role": "user", "content": CODE_GENERATION_USER.format(
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user_input=user_input,
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execution_plan=execution_plan
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)}
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],
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model=model,
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temperature=0.2,
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max_tokens=2048
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)
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# 提取代码块
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code = self._extract_code(response)
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return code
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def _extract_code(self, response: str) -> str:
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"""从 LLM 响应中提取代码"""
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import re
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# 尝试提取 ```python ... ``` 代码块
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pattern = r'```python\s*(.*?)\s*```'
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matches = re.findall(pattern, response, re.DOTALL)
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if matches:
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return matches[0]
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# 尝试提取 ``` ... ``` 代码块
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pattern = r'```\s*(.*?)\s*```'
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matches = re.findall(pattern, response, re.DOTALL)
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if matches:
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return matches[0]
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# 如果没有代码块,返回原始响应
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return response
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def _show_task_guide(self):
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"""显示任务引导视图"""
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if not self.current_task:
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return
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# 隐藏聊天视图
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self.chat_view.get_frame().pack_forget()
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# 创建任务引导视图
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self.task_view = TaskGuideView(
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self.main_container,
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on_execute=self._on_execute_task,
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on_cancel=self._on_cancel_task,
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workspace_path=self.workspace
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)
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# 设置内容
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self.task_view.set_intent_result(
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self.current_task['intent_result'].reason,
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self.current_task['intent_result'].confidence
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)
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self.task_view.set_execution_plan(self.current_task['execution_plan'])
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# 显示
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self.task_view.show()
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def _on_execute_task(self):
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"""执行任务"""
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if not self.current_task:
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return
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self.task_view.set_buttons_enabled(False)
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# 在后台线程执行
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def do_execute():
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return self.runner.execute(self.current_task['code'])
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self._run_in_thread(
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do_execute,
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self._on_execution_complete
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)
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def _on_execution_complete(self, result: Optional[ExecutionResult], error: Optional[Exception]):
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"""执行完成回调"""
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if error:
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messagebox.showerror("执行错误", f"执行失败: {str(error)}")
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else:
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self._show_execution_result(result)
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# 刷新输出文件列表
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if self.task_view:
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self.task_view.refresh_output()
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self._back_to_chat()
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def _show_execution_result(self, result: ExecutionResult):
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"""显示执行结果"""
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if result.success:
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status = "执行成功"
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else:
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status = "执行失败"
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message = f"""{status}
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任务 ID: {result.task_id}
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耗时: {result.duration_ms} ms
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日志文件: {result.log_path}
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输出:
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{result.stdout if result.stdout else '(无输出)'}
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{f'错误信息: {result.stderr}' if result.stderr else ''}
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"""
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if result.success:
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messagebox.showinfo("执行结果", message)
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# 打开 output 目录
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os.startfile(str(self.workspace / "output"))
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else:
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messagebox.showerror("执行结果", message)
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def _on_cancel_task(self):
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"""取消任务"""
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self.current_task = None
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self._back_to_chat()
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def _back_to_chat(self):
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"""返回聊天视图"""
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if self.task_view:
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self.task_view.hide()
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self.task_view = None
|
||||
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self.chat_view.get_frame().pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
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self.chat_view.set_input_enabled(True)
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self.current_task = None
|
||||
|
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def run(self):
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"""运行应用"""
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self.root.mainloop()
|
||||
|
||||
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||||
def check_environment():
|
||||
"""检查运行环境"""
|
||||
load_dotenv(ENV_PATH)
|
||||
|
||||
api_key = os.getenv("LLM_API_KEY")
|
||||
|
||||
if not api_key or api_key == "your_api_key_here":
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||||
print("=" * 50)
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||||
print("错误: 未配置 LLM API Key")
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||||
print("=" * 50)
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||||
print()
|
||||
print("请按以下步骤配置:")
|
||||
print("1. 复制 .env.example 为 .env")
|
||||
print("2. 在 .env 中设置 LLM_API_KEY=你的API密钥")
|
||||
print()
|
||||
print("获取 API Key: https://siliconflow.cn")
|
||||
print("=" * 50)
|
||||
|
||||
# 显示 GUI 错误提示
|
||||
root = tk.Tk()
|
||||
root.withdraw()
|
||||
messagebox.showerror(
|
||||
"配置错误",
|
||||
"未配置 LLM API Key\n\n"
|
||||
"请按以下步骤配置:\n"
|
||||
"1. 复制 .env.example 为 .env\n"
|
||||
"2. 在 .env 中设置 LLM_API_KEY=你的API密钥\n\n"
|
||||
"获取 API Key: https://siliconflow.cn"
|
||||
)
|
||||
root.destroy()
|
||||
return False
|
||||
|
||||
return True
|
||||
|
||||
|
||||
def main():
|
||||
"""主入口"""
|
||||
print("=" * 50)
|
||||
print("LocalAgent - Windows 本地 AI 执行助手")
|
||||
print("=" * 50)
|
||||
|
||||
# 检查环境
|
||||
if not check_environment():
|
||||
sys.exit(1)
|
||||
|
||||
# 创建工作目录
|
||||
workspace = PROJECT_ROOT / "workspace"
|
||||
(workspace / "input").mkdir(parents=True, exist_ok=True)
|
||||
(workspace / "output").mkdir(parents=True, exist_ok=True)
|
||||
(workspace / "logs").mkdir(parents=True, exist_ok=True)
|
||||
|
||||
print(f"工作目录: {workspace}")
|
||||
print(f"输入目录: {workspace / 'input'}")
|
||||
print(f"输出目录: {workspace / 'output'}")
|
||||
print(f"日志目录: {workspace / 'logs'}")
|
||||
print("=" * 50)
|
||||
|
||||
# 启动应用
|
||||
app = LocalAgentApp()
|
||||
app.run()
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Reference in New Issue
Block a user