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aiagent/backend/app/core/config.py

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"""
应用配置
"""
from pathlib import Path
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from pydantic_settings import BaseSettings
from typing import List
# 无论从项目根还是 backend 目录启动,始终加载 backend/.env
_BACKEND_DIR = Path(__file__).resolve().parent.parent.parent
_ENV_PATH = _BACKEND_DIR / ".env"
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class Settings(BaseSettings):
"""应用设置"""
# 应用基本信息
APP_NAME: str = "低代码智能体平台"
APP_VERSION: str = "1.0.0"
DEBUG: bool = True
SECRET_KEY: str = "dev-secret-key-change-in-production"
# 数据库配置MySQL
DATABASE_URL: str = "mysql+pymysql://root:!Rjb12191@gz-cynosdbmysql-grp-d26pzce5.sql.tencentcdb.com:24936/agent_db?charset=utf8mb4"
# Redis配置
REDIS_URL: str = "redis://localhost:6379/0"
# 会话记忆:除 Redis 外是否写入 MySQLpersistent_user_memories实现跨重启、跨 TTL 的永久记忆
MEMORY_PERSIST_DB_ENABLED: bool = True
# 本地文件工具file_read / file_write允许读写的根目录。空字符串表示使用「backend 的上一级目录」作为仓库根。
LOCAL_FILE_TOOLS_ROOT: str = ""
LOCAL_FILE_READ_MAX_BYTES: int = 2_097_152 # 单次读取上限(默认 2MB
LOCAL_FILE_WRITE_MAX_BYTES: int = 2_097_152 # 单次写入内容上限UTF-8 字节)
# 图片 OCRfile_read 对 png/jpg 等Tesseract 可执行文件路径Windows 示例 C:/Program Files/Tesseract-OCR/tesseract.exe
TESSERACT_CMD: str = ""
# 自定义 tessdata 目录(内含 chi_sim.traineddata 等)。留空时若 LOCAL_FILE_TOOLS_ROOT/tessdata 下存在 .traineddata 则自动使用
TESSERACT_TESSDATA_DIR: str = ""
# 智能体对话落盘:在工作区根下 agent_workspaces/<agent_id>/dialogue.md 追加 Markdown与 LOCAL_FILE_TOOLS_ROOT 一致)
AGENT_WORKSPACE_CHAT_LOG_ENABLED: bool = True
AGENT_WORKSPACE_CHAT_SUBDIR: str = "agent_workspaces"
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# CORS配置支持字符串或列表
CORS_ORIGINS: str = "http://localhost:3000,http://127.0.0.1:3000,http://localhost:8038,http://101.43.95.130:8038"
# OpenAI配置
OPENAI_API_KEY: str = ""
OPENAI_BASE_URL: str = "https://api.openai.com/v1"
# DeepSeek配置
DEEPSEEK_API_KEY: str = ""
DEEPSEEK_BASE_URL: str = "https://api.deepseek.com"
# Anthropic配置
ANTHROPIC_API_KEY: str = ""
# JWT配置
JWT_SECRET_KEY: str = "dev-jwt-secret-key-change-in-production"
JWT_ALGORITHM: str = "HS256"
JWT_ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
# Celery 工作流任务:对**非业务节点失败**(非 WorkflowExecutionError的退避重试次数0 表示不重试
WORKFLOW_TASK_MAX_RETRIES: int = 0
# 单执行预算:主循环每执行一个节点计 1 步,超过则熔断(防止死循环/失控)
WORKFLOW_MAX_STEPS_PER_RUN: int = 2000
# 单执行 LLM 节点调用上限llm / template 节点每执行一次计 1
WORKFLOW_MAX_LLM_INVOCATIONS_PER_RUN: int = 200
# 单执行工具实际执行次数上限LLM function calling 每执行一个工具计 1
WORKFLOW_MAX_TOOL_CALLS_PER_RUN: int = 500
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class Config:
env_file = str(_ENV_PATH)
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case_sensitive = True
settings = Settings()