mirror of
https://github.com/langbot-app/LangBot.git
synced 2026-06-17 11:14:19 +00:00
Junyan Qin (Chin)
254 lines
8.3 KiB
Python
254 lines
8.3 KiB
Python
from __future__ import annotations
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import logging
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import asyncio
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import traceback
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import sys
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import os
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from ..platform import botmgr as im_mgr
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from ..provider.session import sessionmgr as llm_session_mgr
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from ..provider.modelmgr import modelmgr as llm_model_mgr
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from ..provider.tools import toolmgr as llm_tool_mgr
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from ..config import manager as config_mgr
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from ..command import cmdmgr
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from ..plugin import manager as plugin_mgr
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from ..pipeline import pool
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from ..pipeline import controller, pipelinemgr
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from ..utils import version as version_mgr, proxy as proxy_mgr, announce as announce_mgr
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from ..persistence import mgr as persistencemgr
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from ..api.http.controller import main as http_controller
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from ..api.http.service import user as user_service
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from ..api.http.service import model as model_service
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from ..api.http.service import pipeline as pipeline_service
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from ..api.http.service import bot as bot_service
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from ..api.http.service import knowledge as knowledge_service
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from ..discover import engine as discover_engine
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from ..storage import mgr as storagemgr
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from ..utils import logcache
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from . import taskmgr
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from . import entities as core_entities
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from ..rag.knowledge import kbmgr as rag_mgr
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from ..vector import mgr as vectordb_mgr
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class Application:
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"""Runtime application object and context"""
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event_loop: asyncio.AbstractEventLoop = None
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# asyncio_tasks: list[asyncio.Task] = []
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task_mgr: taskmgr.AsyncTaskManager = None
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discover: discover_engine.ComponentDiscoveryEngine = None
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platform_mgr: im_mgr.PlatformManager = None
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cmd_mgr: cmdmgr.CommandManager = None
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sess_mgr: llm_session_mgr.SessionManager = None
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model_mgr: llm_model_mgr.ModelManager = None
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rag_mgr: rag_mgr.RAGManager = None
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# TODO move to pipeline
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tool_mgr: llm_tool_mgr.ToolManager = None
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# ======= Config manager =======
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command_cfg: config_mgr.ConfigManager = None # deprecated
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pipeline_cfg: config_mgr.ConfigManager = None # deprecated
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platform_cfg: config_mgr.ConfigManager = None # deprecated
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provider_cfg: config_mgr.ConfigManager = None # deprecated
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system_cfg: config_mgr.ConfigManager = None # deprecated
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instance_config: config_mgr.ConfigManager = None
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# ======= Metadata config manager =======
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sensitive_meta: config_mgr.ConfigManager = None
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pipeline_config_meta_trigger: config_mgr.ConfigManager = None
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pipeline_config_meta_safety: config_mgr.ConfigManager = None
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pipeline_config_meta_ai: config_mgr.ConfigManager = None
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pipeline_config_meta_output: config_mgr.ConfigManager = None
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# =========================
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plugin_mgr: plugin_mgr.PluginManager = None
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query_pool: pool.QueryPool = None
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ctrl: controller.Controller = None
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pipeline_mgr: pipelinemgr.PipelineManager = None
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ver_mgr: version_mgr.VersionManager = None
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ann_mgr: announce_mgr.AnnouncementManager = None
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proxy_mgr: proxy_mgr.ProxyManager = None
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logger: logging.Logger = None
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persistence_mgr: persistencemgr.PersistenceManager = None
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vector_db_mgr: vectordb_mgr.VectorDBManager = None
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http_ctrl: http_controller.HTTPController = None
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log_cache: logcache.LogCache = None
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storage_mgr: storagemgr.StorageMgr = None
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# ========= HTTP Services =========
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user_service: user_service.UserService = None
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llm_model_service: model_service.LLMModelsService = None
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embedding_models_service: model_service.EmbeddingModelsService = None
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pipeline_service: pipeline_service.PipelineService = None
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bot_service: bot_service.BotService = None
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knowledge_service: knowledge_service.KnowledgeService = None
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def __init__(self):
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pass
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async def initialize(self):
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pass
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async def run(self):
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try:
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await self.plugin_mgr.initialize_plugins()
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# 后续可能会允许动态重启其他任务
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# 故为了防止程序在非 Ctrl-C 情况下退出，这里创建一个不会结束的协程
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async def never_ending():
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while True:
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await asyncio.sleep(1)
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self.task_mgr.create_task(
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self.platform_mgr.run(),
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name='platform-manager',
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scopes=[
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core_entities.LifecycleControlScope.APPLICATION,
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core_entities.LifecycleControlScope.PLATFORM,
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],
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)
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self.task_mgr.create_task(
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self.ctrl.run(),
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name='query-controller',
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scopes=[core_entities.LifecycleControlScope.APPLICATION],
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)
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self.task_mgr.create_task(
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self.http_ctrl.run(),
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name='http-api-controller',
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scopes=[core_entities.LifecycleControlScope.APPLICATION],
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)
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self.task_mgr.create_task(
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never_ending(),
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name='never-ending-task',
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scopes=[core_entities.LifecycleControlScope.APPLICATION],
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)
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await self.print_web_access_info()
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await self.task_mgr.wait_all()
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except asyncio.CancelledError:
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pass
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except Exception as e:
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self.logger.error(f'Application runtime fatal exception: {e}')
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self.logger.debug(f'Traceback: {traceback.format_exc()}')
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async def print_web_access_info(self):
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"""Print access webui tips"""
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if not os.path.exists(os.path.join('.', 'web/out')):
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self.logger.warning('WebUI 文件缺失，请根据文档部署：https://docs.langbot.app/zh')
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self.logger.warning(
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'WebUI files are missing, please deploy according to the documentation: https://docs.langbot.app/en'
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)
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return
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host_ip = '127.0.0.1'
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port = self.instance_config.data['api']['port']
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tips = f"""
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=======================================
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✨ Access WebUI / 访问管理面板
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🏠 Local Address: http://{host_ip}:{port}/
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🌐 Public Address: http://<Your Public IP>:{port}/
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📌 Running this program in a container? Please ensure that the {port} port is exposed
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=======================================
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""".strip()
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for line in tips.split('\n'):
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self.logger.info(line)
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async def reload(
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self,
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scope: core_entities.LifecycleControlScope,
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):
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match scope:
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case core_entities.LifecycleControlScope.PLATFORM.value:
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self.logger.info('Hot reload scope=' + scope)
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await self.platform_mgr.shutdown()
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self.platform_mgr = im_mgr.PlatformManager(self)
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await self.platform_mgr.initialize()
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self.task_mgr.create_task(
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self.platform_mgr.run(),
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name='platform-manager',
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scopes=[
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core_entities.LifecycleControlScope.APPLICATION,
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core_entities.LifecycleControlScope.PLATFORM,
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],
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)
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case core_entities.LifecycleControlScope.PLUGIN.value:
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self.logger.info('Hot reload scope=' + scope)
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await self.plugin_mgr.destroy_plugins()
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# 删除 sys.module 中所有的 plugins/* 下的模块
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for mod in list(sys.modules.keys()):
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if mod.startswith('plugins.'):
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del sys.modules[mod]
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self.plugin_mgr = plugin_mgr.PluginManager(self)
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await self.plugin_mgr.initialize()
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await self.plugin_mgr.initialize_plugins()
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await self.plugin_mgr.load_plugins()
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await self.plugin_mgr.initialize_plugins()
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case core_entities.LifecycleControlScope.PROVIDER.value:
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self.logger.info('Hot reload scope=' + scope)
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await self.tool_mgr.shutdown()
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llm_model_mgr_inst = llm_model_mgr.ModelManager(self)
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await llm_model_mgr_inst.initialize()
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self.model_mgr = llm_model_mgr_inst
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llm_session_mgr_inst = llm_session_mgr.SessionManager(self)
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await llm_session_mgr_inst.initialize()
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self.sess_mgr = llm_session_mgr_inst
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llm_tool_mgr_inst = llm_tool_mgr.ToolManager(self)
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await llm_tool_mgr_inst.initialize()
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self.tool_mgr = llm_tool_mgr_inst
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case _:
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pass
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