Reconfiguration of the basic multi-agent architecture.
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"""
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报告结构生成节点
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负责根据查询生成报告的整体结构
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"""
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import json
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from typing import Dict, Any, List
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from json.decoder import JSONDecodeError
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from .base_node import StateMutationNode
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from ..state.state import State
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from ..prompts import SYSTEM_PROMPT_REPORT_STRUCTURE
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from ..utils.text_processing import (
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remove_reasoning_from_output,
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clean_json_tags,
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extract_clean_response,
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fix_incomplete_json
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)
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class ReportStructureNode(StateMutationNode):
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"""生成报告结构的节点"""
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def __init__(self, llm_client, query: str):
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"""
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初始化报告结构节点
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Args:
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llm_client: LLM客户端
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query: 用户查询
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"""
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super().__init__(llm_client, "ReportStructureNode")
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self.query = query
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def validate_input(self, input_data: Any) -> bool:
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"""验证输入数据"""
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return isinstance(self.query, str) and len(self.query.strip()) > 0
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def run(self, input_data: Any = None, **kwargs) -> List[Dict[str, str]]:
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"""
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调用LLM生成报告结构
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Args:
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input_data: 输入数据(这里不使用,使用初始化时的query)
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**kwargs: 额外参数
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Returns:
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报告结构列表
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"""
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try:
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self.log_info(f"正在为查询生成报告结构: {self.query}")
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# 调用LLM
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response = self.llm_client.invoke(SYSTEM_PROMPT_REPORT_STRUCTURE, self.query)
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# 处理响应
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processed_response = self.process_output(response)
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self.log_info(f"成功生成 {len(processed_response)} 个段落结构")
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return processed_response
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except Exception as e:
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self.log_error(f"生成报告结构失败: {str(e)}")
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raise e
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def process_output(self, output: str) -> List[Dict[str, str]]:
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"""
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处理LLM输出,提取报告结构
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Args:
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output: LLM原始输出
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Returns:
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处理后的报告结构列表
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"""
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try:
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# 清理响应文本
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cleaned_output = remove_reasoning_from_output(output)
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cleaned_output = clean_json_tags(cleaned_output)
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# 记录清理后的输出用于调试
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self.log_info(f"清理后的输出: {cleaned_output[:200]}...")
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# 解析JSON
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try:
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report_structure = json.loads(cleaned_output)
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self.log_info("JSON解析成功")
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except JSONDecodeError as e:
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self.log_info(f"JSON解析失败: {str(e)}")
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# 使用更强大的提取方法
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report_structure = extract_clean_response(cleaned_output)
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if "error" in report_structure:
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self.log_error("JSON解析失败,尝试修复...")
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# 尝试修复JSON
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fixed_json = fix_incomplete_json(cleaned_output)
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if fixed_json:
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try:
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report_structure = json.loads(fixed_json)
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self.log_info("JSON修复成功")
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except JSONDecodeError:
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self.log_error("JSON修复失败")
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# 返回默认结构
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return self._generate_default_structure()
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else:
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self.log_error("无法修复JSON,使用默认结构")
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return self._generate_default_structure()
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# 验证结构
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if not isinstance(report_structure, list):
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self.log_info("报告结构不是列表,尝试转换...")
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if isinstance(report_structure, dict):
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# 如果是单个对象,包装成列表
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report_structure = [report_structure]
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else:
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self.log_error("报告结构格式无效,使用默认结构")
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return self._generate_default_structure()
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# 验证每个段落
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validated_structure = []
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for i, paragraph in enumerate(report_structure):
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if not isinstance(paragraph, dict):
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self.log_warning(f"段落 {i+1} 不是字典格式,跳过")
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continue
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title = paragraph.get("title", f"段落 {i+1}")
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content = paragraph.get("content", "")
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if not title or not content:
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self.log_warning(f"段落 {i+1} 缺少标题或内容,跳过")
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continue
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validated_structure.append({
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"title": title,
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"content": content
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})
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if not validated_structure:
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self.log_warning("没有有效的段落结构,使用默认结构")
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return self._generate_default_structure()
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self.log_info(f"成功验证 {len(validated_structure)} 个段落结构")
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return validated_structure
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except Exception as e:
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self.log_error(f"处理输出失败: {str(e)}")
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return self._generate_default_structure()
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def _generate_default_structure(self) -> List[Dict[str, str]]:
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"""
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生成默认的报告结构
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Returns:
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默认的报告结构列表
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"""
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self.log_info("生成默认报告结构")
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return [
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{
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"title": "研究概述",
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"content": "对查询主题进行总体概述和分析"
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},
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{
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"title": "深度分析",
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"content": "深入分析查询主题的各个方面"
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}
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]
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def mutate_state(self, input_data: Any = None, state: State = None, **kwargs) -> State:
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"""
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将报告结构写入状态
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Args:
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input_data: 输入数据
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state: 当前状态,如果为None则创建新状态
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**kwargs: 额外参数
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Returns:
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更新后的状态
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"""
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if state is None:
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state = State()
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try:
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# 生成报告结构
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report_structure = self.run(input_data, **kwargs)
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# 设置查询和报告标题
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state.query = self.query
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if not state.report_title:
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state.report_title = f"关于'{self.query}'的深度研究报告"
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# 添加段落到状态
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for paragraph_data in report_structure:
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state.add_paragraph(
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title=paragraph_data["title"],
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content=paragraph_data["content"]
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)
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self.log_info(f"已将 {len(report_structure)} 个段落添加到状态中")
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return state
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except Exception as e:
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self.log_error(f"状态更新失败: {str(e)}")
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raise e
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