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lanny xu
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delete gradio
Browse files- kaggle_gradio_app.py +0 -208
kaggle_gradio_app.py
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"""
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Kaggle Gradio 智能问答界面
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适合在 Kaggle Notebook 中运行的交互式 RAG 系统
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"""
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import gradio as gr
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import sys
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import os
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# 添加项目路径
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if '/kaggle/working/adaptive_RAG' not in sys.path:
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sys.path.insert(0, '/kaggle/working/adaptive_RAG')
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from main import AdaptiveRAGSystem
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class RAGChatInterface:
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"""RAG聊天界面"""
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def __init__(self):
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"""初始化RAG系统"""
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print("🚀 正在初始化RAG系统...")
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try:
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self.rag_system = AdaptiveRAGSystem()
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self.initialized = True
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print("✅ RAG系统初始化成功")
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except Exception as e:
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print(f"❌ RAG系统初始化失败: {e}")
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self.initialized = False
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self.error_message = str(e)
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def chat(self, message, history):
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"""
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处理聊天消息
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Args:
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message: 用户输入的消息
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history: 聊天历史记录
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Returns:
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响应消息
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"""
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if not self.initialized:
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return f"❌ 系统未初始化: {self.error_message}"
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if not message or not message.strip():
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return "⚠️ 请输入有效的问题"
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try:
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# 查询RAG系统
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result = self.rag_system.query(message, verbose=False)
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# 构建响应
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answer = result.get('answer', '无法生成答案')
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# 添加评估指标(可选)
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metrics = result.get('retrieval_metrics')
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if metrics:
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metrics_text = f"\n\n📊 检索指标:\n"
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metrics_text += f"- 耗时: {metrics.get('latency', 0):.2f}秒\n"
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metrics_text += f"- 文档数: {metrics.get('retrieved_docs_count', 0)}\n"
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metrics_text += f"- Precision@3: {metrics.get('precision_at_3', 0):.2f}\n"
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# answer += metrics_text # 取消注释以显示指标
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return answer
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except Exception as e:
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return f"❌ 查询失败: {str(e)}"
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def create_interface(self):
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"""创建Gradio界面(兼容性增强版)"""
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# 创建简单的聊天界面(避免版本兼容问题)
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with gr.Blocks(title="🤖 自适应RAG智能问答") as demo:
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gr.Markdown(
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"""
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# 🤖 自适应RAG智能问答系统
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基于LangGraph的自适应检索增强生成系统
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**使用方法**: 在下方输入框输入问题,系统会自动选择最佳检索策略并生成答案。
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"""
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)
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# 聊天界面(使用最简单的配置)
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chatbot = gr.Chatbot(
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label="对话历史",
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height=500
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)
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# 输入框
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msg = gr.Textbox(
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label="输入问题",
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placeholder="例如: AlphaCodium论文讲的是什么?",
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lines=2
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)
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with gr.Row():
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submit_btn = gr.Button("🚀 发送", variant="primary")
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clear_btn = gr.Button("🗑️ 清空对话")
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# 示例问题
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gr.Examples(
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examples=[
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"AlphaCodium论文讲的是什么?",
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"解释embedding嵌入的原理",
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"什么是LLM Agent?",
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"如何防止LLM产生幻觉?",
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],
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inputs=msg,
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label="💡 示例问题"
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)
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# 状态信息
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if self.initialized:
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gr.Markdown("✅ **系统状态**: 运行正常")
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else:
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gr.Markdown(f"❌ **系统状态**: 初始化失败 - {self.error_message}")
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# 事件绑定
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def respond(message, chat_history):
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"""响应用户消息"""
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if not message:
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return "", chat_history
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# 添加用户消息到历史
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chat_history.append((message, None))
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# 获取AI响应
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bot_message = self.chat(message, chat_history)
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# 更新历史
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chat_history[-1] = (message, bot_message)
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return "", chat_history
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# 绑定发送按钮
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submit_btn.click(
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respond,
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inputs=[msg, chatbot],
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outputs=[msg, chatbot]
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)
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# 绑定回车键
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msg.submit(
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respond,
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inputs=[msg, chatbot],
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outputs=[msg, chatbot]
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)
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# 清空对话
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clear_btn.click(lambda: None, None, chatbot, queue=False)
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return demo
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def launch_app(share=False, server_port=None):
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"""
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启动Gradio应用
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Args:
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share: 是否创建公开链接(Kaggle中建议False)
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server_port: 服务器端口(None表示自动选择)
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"""
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print("=" * 60)
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print("🚀 启动 Gradio RAG 智能问答系统")
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print("=" * 60)
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# 检查是否在Kaggle环境
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is_kaggle = os.path.exists('/kaggle/working')
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if is_kaggle:
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print("🎯 检测到 Kaggle 环境")
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print("💡 提示: 运行后会显示本地URL")
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# 创建界面
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interface = RAGChatInterface()
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demo = interface.create_interface()
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# 启动服务
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print(f"\n🌐 正在启动服务...")
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# Kaggle 环境特殊配置
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if is_kaggle:
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# 在 Kaggle 中必须使用 share=True 或 inline 模式
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demo.launch(
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share=True, # Kaggle 中强制使用 share
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server_name="0.0.0.0",
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server_port=server_port, # None会自动选择端口
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show_error=True,
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inline=True, # 内嵌显示
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quiet=False
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)
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else:
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# 本地环境配置
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demo.launch(
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share=share,
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server_port=server_port if server_port else 7860,
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server_name="0.0.0.0",
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show_error=True,
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quiet=False
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)
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if __name__ == "__main__":
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# 在Kaggle Notebook中运行时自动启动
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# server_port=None 会自动选择可用端口,避免端口冲突
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launch_app(share=False, server_port=None)
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