83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
from contextlib import asynccontextmanager
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from fastapi import FastAPI
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from yuxi.services.task_service import tasker
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from yuxi.services.mcp_service import init_mcp_servers
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from yuxi.services.skill_service import init_builtin_skills
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from yuxi.services.subagent_service import init_builtin_subagents
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from yuxi.services.run_queue_service import close_queue_clients, get_redis_client
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from yuxi.storage.postgres.manager import pg_manager
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from yuxi.knowledge import knowledge_base
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from yuxi.utils import logger
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from yuxi import get_version
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""FastAPI lifespan事件管理器"""
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# 初始化数据库连接
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try:
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pg_manager.initialize()
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await pg_manager.create_business_tables()
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await pg_manager.ensure_business_schema()
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await pg_manager.ensure_knowledge_schema()
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except Exception as e:
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logger.error(f"Failed to initialize database during startup: {e}")
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# 初始化 MCP 服务器配置
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try:
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await init_mcp_servers()
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except Exception as e:
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logger.error(f"Failed to initialize MCP servers during startup: {e}")
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# 初始化内置 SubAgent
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try:
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await init_builtin_subagents()
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except Exception as e:
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logger.error(f"Failed to initialize builtin subagents during startup: {e}")
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raise
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# 初始化内置 Skills
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try:
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async with pg_manager.get_async_session_context() as session:
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await init_builtin_skills(session)
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except Exception as e:
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logger.error(f"Failed to initialize builtin skills during startup: {e}")
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raise
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# 初始化知识库管理器
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import os
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if os.environ.get("LITE_MODE", "").lower() in ("true", "1"):
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logger.info("LITE_MODE enabled, skipping knowledge base initialization")
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else:
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try:
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await knowledge_base.initialize()
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except Exception as e:
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logger.error(f"Failed to initialize knowledge base manager: {e}")
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# 预热 Redis（run 队列）
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try:
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redis = await get_redis_client()
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await redis.ping()
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except Exception as e:
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logger.warning(f"Run queue redis unavailable on startup: {e}")
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await tasker.start()
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logger.info(f"""
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░██ ░██ ░██
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░██ ░██
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░██ ░██ ░██ ░██ ░██ ░██ ░██
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░████ ░██ ░██ ░██ ░██ ░██
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░██ ░██ ░██ ░█████ ░██
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░██ ░██ ░███ ░██ ░██ ░██
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░██ ░█████░██ ░██ ░██ ░██ v{get_version()}
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""")
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logger.info("Yuxi backend startup complete")
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yield
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await tasker.shutdown()
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await close_queue_clients()
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await pg_manager.close()
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