Co-authored-by: Dt8333 <25431943+Dt8333@users.noreply.github.com> Co-authored-by: Soulter <905617992@qq.com>
331 lines
12 KiB
Python
331 lines
12 KiB
Python
"""Astrbot 核心生命周期管理类, 负责管理 AstrBot 的启动、停止、重启等操作.
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该类负责初始化各个组件, 包括 ProviderManager、PlatformManager、ConversationManager、PluginManager、PipelineScheduler、EventBus等。
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该类还负责加载和执行插件, 以及处理事件总线的分发。
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工作流程:
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1. 初始化所有组件
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2. 启动事件总线和任务, 所有任务都在这里运行
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3. 执行启动完成事件钩子
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"""
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import asyncio
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import os
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import threading
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import time
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import traceback
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from asyncio import Queue
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from astrbot.core import LogBroker, logger, sp
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from astrbot.core.astrbot_config_mgr import AstrBotConfigManager
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from astrbot.core.config.default import VERSION
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from astrbot.core.conversation_mgr import ConversationManager
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from astrbot.core.db import BaseDatabase
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from astrbot.core.db.migration.migra_45_to_46 import migrate_45_to_46
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from astrbot.core.knowledge_base.kb_mgr import KnowledgeBaseManager
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from astrbot.core.persona_mgr import PersonaManager
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from astrbot.core.pipeline.scheduler import PipelineContext, PipelineScheduler
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from astrbot.core.platform.manager import PlatformManager
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from astrbot.core.platform_message_history_mgr import PlatformMessageHistoryManager
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from astrbot.core.provider.manager import ProviderManager
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from astrbot.core.star import PluginManager
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from astrbot.core.star.context import Context
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from astrbot.core.star.star_handler import EventType, star_handlers_registry, star_map
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from astrbot.core.umop_config_router import UmopConfigRouter
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from astrbot.core.updator import AstrBotUpdator
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from . import astrbot_config, html_renderer
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from .event_bus import EventBus
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class AstrBotCoreLifecycle:
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"""AstrBot 核心生命周期管理类, 负责管理 AstrBot 的启动、停止、重启等操作.
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该类负责初始化各个组件, 包括 ProviderManager、PlatformManager、ConversationManager、PluginManager、PipelineScheduler、
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EventBus 等。
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该类还负责加载和执行插件, 以及处理事件总线的分发。
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"""
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def __init__(self, log_broker: LogBroker, db: BaseDatabase) -> None:
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self.log_broker = log_broker # 初始化日志代理
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self.astrbot_config = astrbot_config # 初始化配置
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self.db = db # 初始化数据库
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# 设置代理
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proxy_config = self.astrbot_config.get("http_proxy", "")
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if proxy_config != "":
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os.environ["https_proxy"] = proxy_config
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os.environ["http_proxy"] = proxy_config
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logger.debug(f"Using proxy: {proxy_config}")
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# 设置 no_proxy
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no_proxy_list = self.astrbot_config.get("no_proxy", [])
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os.environ["no_proxy"] = ",".join(no_proxy_list)
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else:
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# 清空代理环境变量
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if "https_proxy" in os.environ:
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del os.environ["https_proxy"]
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if "http_proxy" in os.environ:
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del os.environ["http_proxy"]
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if "no_proxy" in os.environ:
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del os.environ["no_proxy"]
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logger.debug("HTTP proxy cleared")
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async def initialize(self) -> None:
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"""初始化 AstrBot 核心生命周期管理类.
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负责初始化各个组件, 包括 ProviderManager、PlatformManager、ConversationManager、PluginManager、PipelineScheduler、EventBus、AstrBotUpdator等。
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"""
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# 初始化日志代理
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logger.info("AstrBot v" + VERSION)
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if os.environ.get("TESTING", ""):
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logger.setLevel("DEBUG") # 测试模式下设置日志级别为 DEBUG
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else:
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logger.setLevel(self.astrbot_config["log_level"]) # 设置日志级别
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await self.db.initialize()
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await html_renderer.initialize()
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# 初始化 UMOP 配置路由器
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self.umop_config_router = UmopConfigRouter(sp=sp)
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# 初始化 AstrBot 配置管理器
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self.astrbot_config_mgr = AstrBotConfigManager(
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default_config=self.astrbot_config,
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ucr=self.umop_config_router,
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sp=sp,
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)
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# 4.5 to 4.6 migration for umop_config_router
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try:
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await migrate_45_to_46(self.astrbot_config_mgr, self.umop_config_router)
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except Exception as e:
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logger.error(f"Migration from version 4.5 to 4.6 failed: {e!s}")
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logger.error(traceback.format_exc())
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# 初始化事件队列
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self.event_queue = Queue()
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# 初始化人格管理器
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self.persona_mgr = PersonaManager(self.db, self.astrbot_config_mgr)
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await self.persona_mgr.initialize()
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# 初始化供应商管理器
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self.provider_manager = ProviderManager(
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self.astrbot_config_mgr,
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self.db,
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self.persona_mgr,
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)
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# 初始化平台管理器
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self.platform_manager = PlatformManager(self.astrbot_config, self.event_queue)
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# 初始化对话管理器
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self.conversation_manager = ConversationManager(self.db)
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# 初始化平台消息历史管理器
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self.platform_message_history_manager = PlatformMessageHistoryManager(self.db)
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# 初始化知识库管理器
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self.kb_manager = KnowledgeBaseManager(self.provider_manager)
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# 初始化提供给插件的上下文
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self.star_context = Context(
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self.event_queue,
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self.astrbot_config,
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self.db,
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self.provider_manager,
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self.platform_manager,
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self.conversation_manager,
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self.platform_message_history_manager,
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self.persona_mgr,
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self.astrbot_config_mgr,
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self.kb_manager,
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)
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# 初始化插件管理器
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self.plugin_manager = PluginManager(self.star_context, self.astrbot_config)
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# 扫描、注册插件、实例化插件类
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await self.plugin_manager.reload()
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# 根据配置实例化各个 Provider
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await self.provider_manager.initialize()
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await self.kb_manager.initialize()
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# 初始化消息事件流水线调度器
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self.pipeline_scheduler_mapping = await self.load_pipeline_scheduler()
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# 初始化更新器
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self.astrbot_updator = AstrBotUpdator()
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# 初始化事件总线
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self.event_bus = EventBus(
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self.event_queue,
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self.pipeline_scheduler_mapping,
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self.astrbot_config_mgr,
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)
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# 记录启动时间
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self.start_time = int(time.time())
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# 初始化当前任务列表
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self.curr_tasks: list[asyncio.Task] = []
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# 根据配置实例化各个平台适配器
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await self.platform_manager.initialize()
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# 初始化关闭控制面板的事件
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self.dashboard_shutdown_event = asyncio.Event()
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def _load(self) -> None:
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"""加载事件总线和任务并初始化."""
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# 创建一个异步任务来执行事件总线的 dispatch() 方法
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# dispatch是一个无限循环的协程, 从事件队列中获取事件并处理
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event_bus_task = asyncio.create_task(
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self.event_bus.dispatch(),
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name="event_bus",
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)
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# 把插件中注册的所有协程函数注册到事件总线中并执行
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extra_tasks = []
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for task in self.star_context._register_tasks:
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extra_tasks.append(asyncio.create_task(task, name=task.__name__))
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tasks_ = [event_bus_task, *extra_tasks]
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for task in tasks_:
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self.curr_tasks.append(
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asyncio.create_task(self._task_wrapper(task), name=task.get_name()),
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)
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self.start_time = int(time.time())
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async def _task_wrapper(self, task: asyncio.Task) -> None:
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"""异步任务包装器, 用于处理异步任务执行中出现的各种异常.
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Args:
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task (asyncio.Task): 要执行的异步任务
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"""
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try:
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await task
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except asyncio.CancelledError:
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pass # 任务被取消, 静默处理
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except Exception as e:
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# 获取完整的异常堆栈信息, 按行分割并记录到日志中
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logger.error(f"------- 任务 {task.get_name()} 发生错误: {e}")
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for line in traceback.format_exc().split("\n"):
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logger.error(f"| {line}")
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logger.error("-------")
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async def start(self) -> None:
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"""启动 AstrBot 核心生命周期管理类.
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用load加载事件总线和任务并初始化, 执行启动完成事件钩子
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"""
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self._load()
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logger.info("AstrBot 启动完成。")
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# 执行启动完成事件钩子
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handlers = star_handlers_registry.get_handlers_by_event_type(
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EventType.OnAstrBotLoadedEvent,
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)
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for handler in handlers:
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try:
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logger.info(
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f"hook(on_astrbot_loaded) -> {star_map[handler.handler_module_path].name} - {handler.handler_name}",
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)
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await handler.handler()
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except BaseException:
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logger.error(traceback.format_exc())
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# 同时运行curr_tasks中的所有任务
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await asyncio.gather(*self.curr_tasks, return_exceptions=True)
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async def stop(self) -> None:
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"""停止 AstrBot 核心生命周期管理类, 取消所有当前任务并终止各个管理器."""
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# 请求停止所有正在运行的异步任务
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for task in self.curr_tasks:
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task.cancel()
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for plugin in self.plugin_manager.context.get_all_stars():
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try:
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await self.plugin_manager._terminate_plugin(plugin)
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except Exception as e:
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logger.warning(traceback.format_exc())
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logger.warning(
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f"插件 {plugin.name} 未被正常终止 {e!s}, 可能会导致资源泄露等问题。",
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)
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await self.provider_manager.terminate()
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await self.platform_manager.terminate()
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await self.kb_manager.terminate()
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self.dashboard_shutdown_event.set()
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# 再次遍历curr_tasks等待每个任务真正结束
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for task in self.curr_tasks:
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try:
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await task
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except asyncio.CancelledError:
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pass
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except Exception as e:
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logger.error(f"任务 {task.get_name()} 发生错误: {e}")
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async def restart(self) -> None:
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"""重启 AstrBot 核心生命周期管理类, 终止各个管理器并重新加载平台实例"""
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await self.provider_manager.terminate()
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await self.platform_manager.terminate()
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await self.kb_manager.terminate()
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self.dashboard_shutdown_event.set()
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threading.Thread(
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target=self.astrbot_updator._reboot,
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name="restart",
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daemon=True,
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).start()
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def load_platform(self) -> list[asyncio.Task]:
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"""加载平台实例并返回所有平台实例的异步任务列表"""
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tasks = []
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platform_insts = self.platform_manager.get_insts()
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for platform_inst in platform_insts:
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tasks.append(
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asyncio.create_task(
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platform_inst.run(),
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name=f"{platform_inst.meta().id}({platform_inst.meta().name})",
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),
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)
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return tasks
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async def load_pipeline_scheduler(self) -> dict[str, PipelineScheduler]:
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"""加载消息事件流水线调度器.
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Returns:
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dict[str, PipelineScheduler]: 平台 ID 到流水线调度器的映射
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"""
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mapping = {}
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for conf_id, ab_config in self.astrbot_config_mgr.confs.items():
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scheduler = PipelineScheduler(
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PipelineContext(ab_config, self.plugin_manager, conf_id),
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)
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await scheduler.initialize()
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mapping[conf_id] = scheduler
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return mapping
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async def reload_pipeline_scheduler(self, conf_id: str) -> None:
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"""重新加载消息事件流水线调度器.
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Returns:
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dict[str, PipelineScheduler]: 平台 ID 到流水线调度器的映射
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"""
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ab_config = self.astrbot_config_mgr.confs.get(conf_id)
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if not ab_config:
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raise ValueError(f"配置文件 {conf_id} 不存在")
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scheduler = PipelineScheduler(
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PipelineContext(ab_config, self.plugin_manager, conf_id),
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)
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await scheduler.initialize()
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self.pipeline_scheduler_mapping[conf_id] = scheduler
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