#! /usr/bin/env python # -*- coding: utf-8 -*- # vim:fenc=utf-8 import re import sys import time import random from typing import Dict, List, Tuple, Any, Optional import logging from datetime import datetime, timedelta import traceback import apscheduler.triggers.cron from apscheduler.schedulers.background import BackgroundScheduler import chat_service import configs import logging_service from logging_service import logger from chat_service import CozeChat, ChatServiceType from dialogue_manager import DialogueManager, DialogueState, DialogueStateCache from response_type_detector import ResponseTypeDetector from user_manager import UserManager, LocalUserManager, MySQLUserManager, MySQLUserRelationManager, UserRelationManager from openai import OpenAI from message_queue_backend import MessageQueueBackend, MemoryQueueBackend, AliyunRocketMQQueueBackend from user_profile_extractor import UserProfileExtractor import threading from message import MessageType, Message, MessageChannel class AgentService: def __init__( self, receive_backend: MessageQueueBackend, send_backend: MessageQueueBackend, human_backend: MessageQueueBackend, user_manager: UserManager, user_relation_manager: UserRelationManager, chat_service_type: ChatServiceType = ChatServiceType.OPENAI_COMPATIBLE ): self.receive_queue = receive_backend self.send_queue = send_backend self.human_queue = human_backend # 核心服务模块 self.agent_state_cache = DialogueStateCache() self.user_manager = user_manager self.user_relation_manager = user_relation_manager self.user_profile_extractor = UserProfileExtractor() self.response_type_detector = ResponseTypeDetector() self.agent_registry: Dict[str, DialogueManager] = {} chat_config = configs.get()['chat_api']['openai_compatible'] self.text_model_name = chat_config['text_model'] self.multimodal_model_name = chat_config['multimodal_model'] self.text_model_client = chat_service.OpenAICompatible.create_client(self.text_model_name) self.multimodal_model_client = chat_service.OpenAICompatible.create_client(self.multimodal_model_name) coze_config = configs.get()['chat_api']['coze'] coze_oauth_app = CozeChat.get_oauth_app( coze_config['oauth_client_id'], coze_config['private_key_path'], str(coze_config['public_key_id']), account_id=coze_config.get('account_id', None) ) self.coze_client = CozeChat( base_url=chat_service.COZE_CN_BASE_URL, auth_app=coze_oauth_app ) self.chat_service_type = chat_service_type # 定时任务调度器 self.scheduler = BackgroundScheduler() self.scheduler.start() self.limit_initiative_conversation_rate = True def setup_initiative_conversations(self, schedule_params: Optional[Dict] = None): if not schedule_params: schedule_params = {'hour': '8,16,20'} self.scheduler.add_job( self._check_initiative_conversations, apscheduler.triggers.cron.CronTrigger(**schedule_params) ) def _get_agent_instance(self, staff_id: str, user_id: str) -> DialogueManager: """获取Agent实例""" agent_key = 'agent_{}_{}'.format(staff_id, user_id) if agent_key not in self.agent_registry: self.agent_registry[agent_key] = DialogueManager( staff_id, user_id, self.user_manager, self.agent_state_cache) return self.agent_registry[agent_key] def process_messages(self): """持续处理接收队列消息""" while True: message = self.receive_queue.consume() if message: try: self.process_single_message(message) self.receive_queue.ack(message) except Exception as e: logger.error("Error processing message: {}".format(e)) traceback.print_exc() time.sleep(1) def _update_user_profile(self, user_id, user_profile, recent_dialogue: List[Dict]): profile_to_update = self.user_profile_extractor.extract_profile_info(user_profile, recent_dialogue) if not profile_to_update: logger.debug("user_id: {}, no profile info extracted".format(user_id)) return logger.warning("update user profile: {}".format(profile_to_update)) merged_profile = self.user_profile_extractor.merge_profile_info(user_profile, profile_to_update) self.user_manager.save_user_profile(user_id, merged_profile) return merged_profile def _schedule_aggregation_trigger(self, staff_id: str, user_id: str, delay_sec: int): logger.debug("user: {}, schedule trigger message after {} seconds".format(user_id, delay_sec)) message_ts = int((time.time() + delay_sec) * 1000) message = Message.build(MessageType.AGGREGATION_TRIGGER, MessageChannel.SYSTEM, user_id, staff_id, None, message_ts) # 系统消息使用特定的msgId，无实际意义 message.msgId = -MessageType.AGGREGATION_TRIGGER.value self.scheduler.add_job(lambda: self.receive_queue.produce(message), 'date', run_date=datetime.now() + timedelta(seconds=delay_sec)) def process_single_message(self, message: Message): user_id = message.sender staff_id = message.receiver # 获取用户信息和Agent实例 user_profile = self.user_manager.get_user_profile(user_id) agent = self._get_agent_instance(staff_id, user_id) # 更新对话状态 logger.debug("process message: {}".format(message)) need_response, message_text = agent.update_state(message) logger.debug("user: {}, next state: {}".format(user_id, agent.current_state)) # 根据状态路由消息 try: if agent.is_in_human_intervention(): self._route_to_human_intervention(user_id, message) elif agent.current_state == DialogueState.MESSAGE_AGGREGATING: if message.type != MessageType.AGGREGATION_TRIGGER: # 产生一个触发器，但是不能由触发器递归产生 logger.debug("user: {}, waiting next message for aggregation".format(user_id)) self._schedule_aggregation_trigger(staff_id, user_id, agent.message_aggregation_sec) elif need_response: # 先更新用户画像再处理回复 self._update_user_profile(user_id, user_profile, agent.dialogue_history[-10:]) resp = self._get_chat_response(user_id, agent, message_text) if resp: recent_dialogue = agent.dialogue_history[-10:] if len(recent_dialogue) < 2: message_type = MessageType.TEXT else: message_type = self.response_type_detector.detect_type(recent_dialogue[:-1], recent_dialogue[-1]) self._send_response(staff_id, user_id, resp, message_type) else: logger.debug(f"staff[{staff_id}], user[{user_id}]: do not need response") # 当前消息处理成功，持久化agent状态 agent.persist_state() except Exception as e: agent.rollback_state() raise e def _send_response(self, staff_id, user_id, response, message_type: MessageType): logger.warning(f"staff[{staff_id}] user[{user_id}]: response[{message_type}] {response}") current_ts = int(time.time() * 1000) user_tags = self.user_relation_manager.get_user_tags(user_id) white_list_tags = {'AgentTest1', '04W4-YR-1', '04W4-YR-2', '04W4-KK-1', '04W4-SQ-1'} hit_white_list_tags = len(set(user_tags).intersection(white_list_tags)) > 0 # FIXME(zhoutian) # 测试期间临时逻辑，只发送特定的账号或特定用户 user_black_lists = ['7881300148979455',] staff_white_lists = ['1688854492669990',] if not (staff_id in staff_white_lists or hit_white_list_tags) \ or user_id in user_black_lists: logger.warning(f"staff[{staff_id}] user[{user_id}]: skip reply") return None self.send_queue.produce( Message.build(message_type, MessageChannel.CORP_WECHAT, staff_id, user_id, response, current_ts) ) def _route_to_human_intervention(self, user_id: str, origin_message: Message): """路由到人工干预""" self.human_queue.produce(Message.build( MessageType.TEXT, origin_message.channel, origin_message.sender, origin_message.receiver, "用户对话需人工介入，用户名：{}".format(user_id), int(time.time() * 1000) )) def _check_initiative_conversations(self): """定时检查主动发起对话""" for staff_user in self.user_relation_manager.list_staff_users(): staff_id = staff_user['staff_id'] user_id = staff_user['user_id'] agent = self._get_agent_instance(staff_id, user_id) should_initiate = agent.should_initiate_conversation() user_tags = self.user_relation_manager.get_user_tags(user_id) white_list_tags = {} if not set(user_tags).intersection(white_list_tags): should_initiate = False if should_initiate: logger.warning("user: {}, initiate conversation".format(user_id)) resp = self._get_chat_response(user_id, agent, None) if resp: self._send_response(staff_id, user_id, resp, MessageType.TEXT) if self.limit_initiative_conversation_rate: time.sleep(random.randint(10,20)) else: logger.debug("user: {}, do not initiate conversation".format(user_id)) def _get_chat_response(self, user_id: str, agent: DialogueManager, user_message: Optional[str]): """处理LLM响应""" chat_config = agent.build_chat_configuration(user_message, self.chat_service_type) logger.debug(chat_config) chat_response = self._call_chat_api(chat_config) chat_response = self.sanitize_response(chat_response) if response := agent.generate_response(chat_response): return response else: logger.warning(f"staff[{agent.staff_id}] user[{user_id}]: no response generated") return None def _call_chat_api(self, chat_config: Dict) -> str: if configs.get().get('debug_flags', {}).get('disable_llm_api_call', False): return 'LLM模拟回复 {}'.format(datetime.now().strftime("%Y-%m-%d %H:%M:%S")) if self.chat_service_type == ChatServiceType.OPENAI_COMPATIBLE: if chat_config['use_multimodal_model']: chat_completion = self.multimodal_model_client.chat.completions.create( messages=chat_config['messages'], model=self.multimodal_model_name, ) else: chat_completion = self.text_model_client.chat.completions.create( messages=chat_config['messages'], model=self.text_model_client, ) response = chat_completion.choices[0].message.content elif self.chat_service_type == ChatServiceType.COZE_CHAT: bot_user_id = 'qywx_{}'.format(chat_config['user_id']) response = self.coze_client.create( chat_config['bot_id'], bot_user_id, chat_config['messages'], chat_config['custom_variables'] ) else: raise Exception('Unsupported chat service type: {}'.format(self.chat_service_type)) return response @staticmethod def sanitize_response(response: str): pattern = r'\[?\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\]?' response = re.sub(pattern, '', response) response = response.strip() return response if __name__ == "__main__": config = configs.get() logging_service.setup_root_logger() logger.warning("current env: {}".format(configs.get_env())) scheduler_logger = logging.getLogger('apscheduler') scheduler_logger.setLevel(logging.WARNING) use_aliyun_mq = config['debug_flags']['use_aliyun_mq'] # 初始化不同队列的后端 if use_aliyun_mq: receive_queue = AliyunRocketMQQueueBackend( config['mq']['endpoints'], config['mq']['instance_id'], config['mq']['receive_topic'], has_consumer=True, has_producer=True, group_id=config['mq']['receive_group'] ) send_queue = AliyunRocketMQQueueBackend( config['mq']['endpoints'], config['mq']['instance_id'], config['mq']['send_topic'], has_consumer=False, has_producer=True ) else: receive_queue = MemoryQueueBackend() send_queue = MemoryQueueBackend() human_queue = MemoryQueueBackend() # 初始化用户管理服务 # FIXME(zhoutian): 如果不使用MySQL，此数据库配置非必须 user_db_config = config['storage']['user'] staff_db_config = config['storage']['staff'] if config['debug_flags'].get('use_local_user_storage', False): user_manager = LocalUserManager() else: user_manager = MySQLUserManager(user_db_config['mysql'], user_db_config['table'], staff_db_config['table']) wecom_db_config = config['storage']['user_relation'] user_relation_manager = MySQLUserRelationManager( user_db_config['mysql'], wecom_db_config['mysql'], config['storage']['staff']['table'], user_db_config['table'], wecom_db_config['table']['staff'], wecom_db_config['table']['relation'], wecom_db_config['table']['user'] ) # 创建Agent服务 service = AgentService( receive_backend=receive_queue, send_backend=send_queue, human_backend=human_queue, user_manager=user_manager, user_relation_manager=user_relation_manager, chat_service_type=ChatServiceType.COZE_CHAT ) # 只有企微场景需要主动发起 if not config['debug_flags'].get('disable_active_conversation', False): schedule_param = config['agent_behavior'].get('schedule_param', None) service.setup_initiative_conversations(schedule_param) process_thread = threading.Thread(target=service.process_messages) process_thread.start() if not config['debug_flags'].get('console_input', False): process_thread.join() sys.exit(0) message_id = 0 while True: print("Input next message: ") text = sys.stdin.readline().strip() if not text: continue message_id += 1 sender = '7881300197937884' receiver = '1688855931724582' if text == MessageType.AGGREGATION_TRIGGER.name: message = Message.build(MessageType.AGGREGATION_TRIGGER, MessageChannel.CORP_WECHAT, sender, receiver, None, int(time.time() * 1000)) else: message = Message.build(MessageType.TEXT, MessageChannel.CORP_WECHAT, sender,receiver, text, int(time.time() * 1000) ) message.msgId = message_id receive_queue.produce(message) time.sleep(0.1) process_thread.join()