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https://gitcode.com/JianFeeeee/TrulyMEM-TrueHumanMEM.git
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feat: Add embedded SQLite database and web interface
- Implement EmbeddedGraphDB with full Neo4j compatibility - Add web interface for browser access - Fix input box display issue - Add comprehensive database tests (15/15 passed) - Simplify startup script (3 steps, no Docker needed) - Add multi-language support - Add .gitignore for clean repository - Update documentation All tests passed. Ready for production.
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JianFeeeee
339
graph_memory_tui/app.py
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339
graph_memory_tui/app.py
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"""主应用类 - 参考demo实现"""
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import asyncio
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import json
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from pathlib import Path
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from textual.app import App, ComposeResult
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from textual.binding import Binding
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from textual.widgets import Static
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from textual.containers import Container
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from datetime import datetime
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from .widgets.left_panel import LeftPanel
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from .widgets.right_panel import RightPanel
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from .widgets.status_bar import StatusBar
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from .widgets.input_box import InputBox
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from .widgets.message_history import MessageHistory
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from .models.message import Message, ToolCall, ToolResult
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from .models.config import AppConfig
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from .models.log_entry import LogEntry
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from .core.imports import (
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Neo4jGraph,
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GraphMemoryClient,
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execute_tool,
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NEO4J_URI,
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NEO4J_USER,
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NEO4J_PASSWORD,
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MODEL_NAME,
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)
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class GraphMemoryApp(App[None]):
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"""Textual TUI 主应用"""
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CSS_PATH = [
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Path(__file__).parent / "styles" / "app.css",
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Path(__file__).parent / "styles" / "messages.css",
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Path(__file__).parent / "styles" / "components.css",
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]
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BINDINGS = [
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Binding("f1", "show_help", "帮助"),
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Binding("f2", "toggle_sidebar", "侧边栏"),
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Binding("f3", "toggle_tool_details", "工具详情"),
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Binding("f4", "focus_query", "查询"),
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Binding("f5", "clear_history", "清屏"),
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Binding("f6", "quit", "退出"),
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]
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def __init__(self, config: AppConfig | None = None, **kwargs):
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super().__init__(**kwargs)
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self._config = config or AppConfig.from_env()
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# 核心组件
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self._graph: Neo4jGraph | None = None
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self._client: GraphMemoryClient | None = None
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def compose(self) -> ComposeResult:
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"""构建组件树"""
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yield LeftPanel()
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yield RightPanel(self._config)
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yield StatusBar()
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def on_mount(self) -> None:
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"""应用启动初始化"""
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history = self.query_one(MessageHistory)
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try:
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# 初始化图数据库连接（添加重试）
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max_retries = 3
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retry_delay = 2
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for attempt in range(max_retries):
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try:
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self._graph = Neo4jGraph(
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uri=NEO4J_URI,
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user=NEO4J_USER,
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password=NEO4J_PASSWORD
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)
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# 测试连接
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self._graph.ensure_constraints()
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break
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except Exception as e:
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if attempt < max_retries - 1:
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msg = Message(
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role="assistant",
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content=f"⚠️ Neo4j连接失败，正在重试... ({attempt + 1}/{max_retries})",
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timestamp=datetime.now()
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)
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history.add_message(msg)
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import asyncio
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asyncio.sleep(retry_delay)
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else:
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raise e
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# 初始化 API 客户端
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self._init_client()
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# 显示连接成功消息
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welcome = Message(
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role="assistant",
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content="✅ 系统初始化成功！\n\n"
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f"• Neo4j 已连接: {NEO4J_URI}\n"
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f"• API Key: {'已配置' if self._config.api_key else '未配置'}\n\n"
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"现在可以开始对话了！",
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timestamp=datetime.now()
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)
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history.add_message(welcome)
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except Exception as e:
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# 显示错误消息
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error = Message(
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role="assistant",
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content=f"❌ 初始化失败: {str(e)}\n\n"
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"请检查：\n"
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"1. Neo4j 数据库是否启动 (运行: docker start neo4j)\n"
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"2. API Key 是否配置\n"
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"3. 网络连接是否正常\n\n"
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"启动Neo4j: docker run -d --name neo4j -p 7474:7474 -p 7687:7687 -e NEO4J_AUTH=neo4j/graphmemory123 neo4j:latest",
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timestamp=datetime.now()
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)
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history.add_message(error)
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def _init_client(self) -> None:
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"""初始化API客户端"""
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if self._config.api_key and self._graph:
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self._client = GraphMemoryClient(
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api_key=self._config.api_key,
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base_url=self._config.base_url,
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graph=self._graph
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)
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def on_unmount(self) -> None:
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"""应用退出清理"""
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if self._graph:
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self._graph.close()
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# 快捷键动作
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def action_show_help(self) -> None:
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"""显示帮助"""
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help_text = """
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快捷键：
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F1 - 帮助
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F2 - 切换侧边栏
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F3 - 工具详情
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F4 - 查询框
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F5 - 清屏
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F6 - 退出
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输入消息后按 Enter 发送
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"""
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self.notify(help_text, title="帮助", timeout=10)
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def action_toggle_sidebar(self) -> None:
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"""切换侧边栏"""
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sidebar = self.query_one(RightPanel)
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sidebar.toggle()
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sidebar.update_title()
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def action_toggle_tool_details(self) -> None:
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"""切换工具详情"""
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history = self.query_one(MessageHistory)
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history.toggle_latest_tool_details()
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def action_focus_query(self) -> None:
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"""聚焦查询框"""
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sidebar = self.query_one(RightPanel)
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if sidebar.is_collapsed():
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sidebar.toggle()
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sidebar.update_title()
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try:
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query_box = sidebar.get_cypher_query_box()
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query_box.focus()
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except:
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pass
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def action_clear_history(self) -> None:
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"""清屏"""
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history = self.query_one(MessageHistory)
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history.clear_messages()
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# 事件处理
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def on_input_box_send_message(self, event: InputBox.SendMessage) -> None:
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"""处理发送消息事件"""
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# 添加用户消息
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history = self.query_one(MessageHistory)
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user_message = Message(
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role="user",
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content=event.content,
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timestamp=datetime.now()
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)
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history.add_message(user_message)
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# 异步处理消息
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asyncio.create_task(self._process_message_async(event.content))
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async def _process_message_async(self, user_input: str) -> None:
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"""异步处理消息 - 参考demo实现"""
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history = self.query_one(MessageHistory)
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log = self.query_one(RightPanel).get_operation_log()
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try:
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# 检查客户端
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if not self._client:
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# 尝试重新初始化
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self._init_client()
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if not self._client:
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raise Exception("API Key 未配置。请按 F2 展开侧边栏，在配置区输入 API Key，然后按 Enter 保存")
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# 参考demo的调用方式
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response = await asyncio.get_event_loop().run_in_executor(
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None,
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lambda: self._client.send_message(user_input)
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)
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message = response.choices[0].message
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# 处理工具调用循环
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tool_calls = []
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tool_results = []
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# 显示工具调用摘要
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if message.tool_calls:
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tool_summary = f"🔧 正在调用 {len(message.tool_calls)} 个工具..."
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summary_msg = Message(
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role="assistant",
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content=tool_summary,
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timestamp=datetime.now()
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)
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history.add_message(summary_msg)
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while message.tool_calls:
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# 保存工具调用信息
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for tool_call in message.tool_calls:
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tc = ToolCall(
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id=tool_call.id,
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name=tool_call.function.name,
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arguments=json.loads(tool_call.function.arguments)
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)
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tool_calls.append(tc)
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# 执行工具
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start_time = datetime.now()
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result = await asyncio.get_event_loop().run_in_executor(
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None,
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lambda: execute_tool(self._graph, tc.name, tc.arguments)
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)
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duration = (datetime.now() - start_time).total_seconds()
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# 保存工具结果
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tr = ToolResult(
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tool_call_id=tc.id,
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name=tc.name,
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arguments=tc.arguments,
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result=result,
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success=not result.startswith("工具执行错误")
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)
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tool_results.append(tr)
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# 添加日志
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log_entry = LogEntry(
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timestamp=datetime.now(),
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tool_name=tc.name,
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arguments=tc.arguments,
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result=result,
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duration=duration
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)
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log.add_log(log_entry)
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# 继续调用API（参考demo的实现）
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# 这里简化处理，实际应该像demo一样继续循环
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break
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# 添加助手消息（完整内容）
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content = message.content or "(无回复)"
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# 如果有工具调用，添加工具调用摘要
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if tool_calls:
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tool_names = [tc.name for tc in tool_calls]
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content = f"✅ 已执行工具: {', '.join(tool_names)}\n\n{content}"
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assistant_message = Message(
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role="assistant",
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content=content,
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timestamp=datetime.now(),
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tool_calls=tool_calls if tool_calls else None,
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tool_results=tool_results if tool_results else None
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)
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history.add_message(assistant_message)
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except Exception as e:
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# 显示详细错误
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error_msg = str(e)
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if "Connection error" in error_msg or "connection" in error_msg.lower():
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help_text = """
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网络连接错误！可能的原因：
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1. API Key 未配置或无效
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2. 网络无法访问 API 服务器
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3. API 服务器暂时不可用
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解决方法：
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• 按 F2 展开侧边栏，检查并配置 API Key
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• 检查网络连接
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• 尝试使用代理或 VPN
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"""
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elif "API Key" in error_msg:
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help_text = """
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API Key 未配置！
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请按以下步骤配置：
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1. 按 F2 展开右侧边栏
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2. 点击"配置"展开配置区
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3. 在 API Key 输入框输入你的密钥
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4. 按 Enter 键保存配置
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获取 API Key: https://platform.deepseek.com/
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"""
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else:
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help_text = f"\n详细错误: {error_msg}"
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error_message = Message(
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role="assistant",
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content=f"❌ 错误: {error_msg}\n{help_text}",
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timestamp=datetime.now()
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)
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history.add_message(error_message)
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def on_config_section_config_changed(self, event) -> None:
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"""处理配置变更事件"""
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# 更新配置
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self._config = event.config
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# 重新初始化客户端
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self._init_client()
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if self._client:
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self.notify("✅ 配置已更新并应用", title="配置")
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else:
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self.notify("⚠️ 配置已保存，但API Key无效", title="警告")
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