112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
"""
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主图状态定义 - React 模式增强版
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Main Graph State Definition - React Mode Enhanced
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"""
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from enum import Enum, auto
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from typing import Optional, Dict, Any, Annotated, Sequence, TypedDict, List
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from dataclasses import dataclass, field
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from app.main_graph.graph import add_messages
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from langchain_core.messages import BaseMessage
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# ========== 兼容性注释（旧代码已移除，状态已整合到 MainGraphState） ==========
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# 旧的 MessagesState 和 GraphContext 已完全整合到 MainGraphState
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# 不再需要单独的类型定义
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# ========== 新的类型 ==========
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class CurrentAction(Enum):
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"""主图当前操作类型"""
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NONE = auto()
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GENERAL_CHAT = auto()
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NEWS_ANALYSIS = auto()
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DICTIONARY = auto()
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CONTACT = auto()
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class ErrorSeverity(Enum):
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"""错误严重程度"""
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INFO = auto() # 信息级别，继续执行
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WARNING = auto() # 警告级别，可以重试
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ERROR = auto() # 错误级别，需要处理
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FATAL = auto() # 致命错误，终止执行
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@dataclass
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class ErrorRecord:
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"""错误记录"""
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error_type: str
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error_message: str
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severity: ErrorSeverity = ErrorSeverity.ERROR
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source: str = "" # 来源：哪个节点/子图/工具
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timestamp: str = ""
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retry_count: int = 0 # 已重试次数
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max_retries: int = 3 # 最大重试次数
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context: Dict[str, Any] = field(default_factory=dict) # 错误上下文
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@dataclass
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class MainGraphState:
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"""
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主图状态 - 整合了旧 MessagesState 的所有字段
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包含：
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- 旧代码的 MessagesState 兼容性字段
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- React 推理控制字段
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- 循环和错误处理
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- 子图结果占位
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- 用户信息
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"""
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# ========== 旧 MessagesState 兼容性字段 ==========
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messages: Annotated[Sequence[BaseMessage], add_messages] = field(default_factory=list)
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llm_calls: int = 0
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memory_context: str = ""
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system_prompt: str = ""
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turns_since_last_summary: int = 0 # 新增：来自旧状态
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last_token_usage: Dict[str, Any] = field(default_factory=dict) # 新增：来自旧状态
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last_elapsed_time: float = 0.0 # 新增：来自旧状态
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# ========== 主图控制字段 ==========
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user_query: str = ""
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current_action: CurrentAction = CurrentAction.NONE
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intent_confidence: float = 0.0
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# ========== React 推理专用字段 ==========
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reasoning_step: int = 0
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max_steps: int = 40
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last_action: str = ""
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reasoning_history: List[Dict[str, Any]] = field(default_factory=list)
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# ========== RAG 相关字段 ==========
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rag_context: str = ""
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rag_retrieved: bool = False
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rag_docs: List[Dict[str, Any]] = field(default_factory=list)
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# ========== 联网搜索相关字段 ==========
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web_search_results: List[str] = field(default_factory=list)
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# ========== 错误处理字段 ==========
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errors: List[ErrorRecord] = field(default_factory=list)
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current_error: Optional[ErrorRecord] = None
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retry_action: Optional[str] = None
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# ========== 子图结果占位 ==========
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news_result: Optional[Dict[str, Any]] = None
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dictionary_result: Optional[Dict[str, Any]] = None
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contact_result: Optional[Dict[str, Any]] = None
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# ========== 用户信息 ==========
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user_id: str = ""
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# ========== 执行状态 ==========
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current_phase: str = "init"
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error_message: str = ""
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final_result: str = ""
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success: bool = False
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# ========== 元数据 ==========
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start_time: Optional[str] = None
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end_time: Optional[str] = None
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debug_info: Dict[str, Any] = field(default_factory=dict)
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