import json import time from typing import Optional, Union, List from core.callback_handler.entity.agent_loop import AgentLoop from core.callback_handler.entity.dataset_query import DatasetQueryObj from core.callback_handler.entity.llm_message import LLMMessage from core.callback_handler.entity.chain_result import ChainResult from core.file.file_obj import FileObj from core.model_providers.model_factory import ModelFactory from core.model_providers.models.entity.message import to_prompt_messages, MessageType, PromptMessageFile from core.model_providers.models.llm.base import BaseLLM from core.prompt.prompt_builder import PromptBuilder from core.prompt.prompt_template import PromptTemplateParser from events.message_event import message_was_created from extensions.ext_database import db from extensions.ext_redis import redis_client from models.dataset import DatasetQuery from models.model import AppModelConfig, Conversation, Account, Message, EndUser, App, MessageAgentThought, \ MessageChain, DatasetRetrieverResource, MessageFile class ConversationMessageTask: def __init__(self, task_id: str, app: App, app_model_config: AppModelConfig, user: Account, inputs: dict, query: str, files: List[FileObj], streaming: bool, model_instance: BaseLLM, conversation: Optional[Conversation] = None, is_override: bool = False, auto_generate_name: bool = True): self.start_at = time.perf_counter() self.task_id = task_id self.app = app self.tenant_id = app.tenant_id self.app_model_config = app_model_config self.is_override = is_override self.user = user self.inputs = inputs self.query = query self.files = files self.streaming = streaming self.conversation = conversation self.is_new_conversation = False self.model_instance = model_instance self.message = None self.retriever_resource = None self.auto_generate_name = auto_generate_name self.model_dict = self.app_model_config.model_dict self.provider_name = self.model_dict.get('provider') self.model_name = self.model_dict.get('name') self.mode = app.mode self.init() self._pub_handler = PubHandler( user=self.user, task_id=self.task_id, message=self.message, conversation=self.conversation, chain_pub=False, # disabled currently agent_thought_pub=True ) def init(self): override_model_configs = None if self.is_override: override_model_configs = self.app_model_config.to_dict() introduction = '' system_instruction = '' system_instruction_tokens = 0 if self.mode == 'chat': introduction = self.app_model_config.opening_statement if introduction: prompt_template = PromptTemplateParser(template=introduction) prompt_inputs = {k: self.inputs[k] for k in prompt_template.variable_keys if k in self.inputs} try: introduction = prompt_template.format(prompt_inputs) except KeyError: pass if self.app_model_config.pre_prompt: system_message = PromptBuilder.to_system_message(self.app_model_config.pre_prompt, self.inputs) system_instruction = system_message.content model_instance = ModelFactory.get_text_generation_model( tenant_id=self.tenant_id, model_provider_name=self.provider_name, model_name=self.model_name ) system_instruction_tokens = model_instance.get_num_tokens(to_prompt_messages([system_message])) if not self.conversation: self.is_new_conversation = True self.conversation = Conversation( app_id=self.app.id, app_model_config_id=self.app_model_config.id, model_provider=self.provider_name, model_id=self.model_name, override_model_configs=json.dumps(override_model_configs) if override_model_configs else None, mode=self.mode, name='New conversation', inputs=self.inputs, introduction=introduction, system_instruction=system_instruction, system_instruction_tokens=system_instruction_tokens, status='normal', from_source=('console' if isinstance(self.user, Account) else 'api'), from_end_user_id=(self.user.id if isinstance(self.user, EndUser) else None), from_account_id=(self.user.id if isinstance(self.user, Account) else None), ) db.session.add(self.conversation) db.session.commit() self.message = Message( app_id=self.app.id, model_provider=self.provider_name, model_id=self.model_name, override_model_configs=json.dumps(override_model_configs) if override_model_configs else None, conversation_id=self.conversation.id, inputs=self.inputs, query=self.query, message="", message_tokens=0, message_unit_price=0, message_price_unit=0, answer="", answer_tokens=0, answer_unit_price=0, answer_price_unit=0, provider_response_latency=0, total_price=0, currency=self.model_instance.get_currency(), from_source=('console' if isinstance(self.user, Account) else 'api'), from_end_user_id=(self.user.id if isinstance(self.user, EndUser) else None), from_account_id=(self.user.id if isinstance(self.user, Account) else None), agent_based=self.app_model_config.agent_mode_dict.get('enabled'), ) db.session.add(self.message) db.session.commit() for file in self.files: message_file = MessageFile( message_id=self.message.id, type=file.type.value, transfer_method=file.transfer_method.value, url=file.url, upload_file_id=file.upload_file_id, created_by_role=('account' if isinstance(self.user, Account) else 'end_user'), created_by=self.user.id ) db.session.add(message_file) db.session.commit() def append_message_text(self, text: str): if text is not None: self._pub_handler.pub_text(text) def save_message(self, llm_message: LLMMessage, by_stopped: bool = False): message_tokens = llm_message.prompt_tokens answer_tokens = llm_message.completion_tokens message_unit_price = self.model_instance.get_tokens_unit_price(MessageType.USER) message_price_unit = self.model_instance.get_price_unit(MessageType.USER) answer_unit_price = self.model_instance.get_tokens_unit_price(MessageType.ASSISTANT) answer_price_unit = self.model_instance.get_price_unit(MessageType.ASSISTANT) message_total_price = self.model_instance.calc_tokens_price(message_tokens, MessageType.USER) answer_total_price = self.model_instance.calc_tokens_price(answer_tokens, MessageType.ASSISTANT) total_price = message_total_price + answer_total_price self.message.message = llm_message.prompt self.message.message_tokens = message_tokens self.message.message_unit_price = message_unit_price self.message.message_price_unit = message_price_unit self.message.answer = PromptTemplateParser.remove_template_variables( llm_message.completion.strip()) if llm_message.completion else '' self.message.answer_tokens = answer_tokens self.message.answer_unit_price = answer_unit_price self.message.answer_price_unit = answer_price_unit self.message.provider_response_latency = time.perf_counter() - self.start_at self.message.total_price = total_price db.session.commit() message_was_created.send( self.message, conversation=self.conversation, is_first_message=self.is_new_conversation, auto_generate_name=self.auto_generate_name ) if not by_stopped: self.end() def init_chain(self, chain_result: ChainResult): message_chain = MessageChain( message_id=self.message.id, type=chain_result.type, input=json.dumps(chain_result.prompt), output='' ) db.session.add(message_chain) db.session.commit() return message_chain def on_chain_end(self, message_chain: MessageChain, chain_result: ChainResult): message_chain.output = json.dumps(chain_result.completion) db.session.commit() self._pub_handler.pub_chain(message_chain) def on_agent_start(self, message_chain: MessageChain, agent_loop: AgentLoop) -> MessageAgentThought: message_agent_thought = MessageAgentThought( message_id=self.message.id, message_chain_id=message_chain.id, position=agent_loop.position, thought=agent_loop.thought, tool=agent_loop.tool_name, tool_input=agent_loop.tool_input, message=agent_loop.prompt, message_price_unit=0, answer=agent_loop.completion, answer_price_unit=0, created_by_role=('account' if isinstance(self.user, Account) else 'end_user'), created_by=self.user.id ) db.session.add(message_agent_thought) db.session.commit() self._pub_handler.pub_agent_thought(message_agent_thought) return message_agent_thought def on_agent_end(self, message_agent_thought: MessageAgentThought, agent_model_instance: BaseLLM, agent_loop: AgentLoop): agent_message_unit_price = agent_model_instance.get_tokens_unit_price(MessageType.USER) agent_message_price_unit = agent_model_instance.get_price_unit(MessageType.USER) agent_answer_unit_price = agent_model_instance.get_tokens_unit_price(MessageType.ASSISTANT) agent_answer_price_unit = agent_model_instance.get_price_unit(MessageType.ASSISTANT) loop_message_tokens = agent_loop.prompt_tokens loop_answer_tokens = agent_loop.completion_tokens loop_message_total_price = agent_model_instance.calc_tokens_price(loop_message_tokens, MessageType.USER) loop_answer_total_price = agent_model_instance.calc_tokens_price(loop_answer_tokens, MessageType.ASSISTANT) loop_total_price = loop_message_total_price + loop_answer_total_price message_agent_thought.observation = agent_loop.tool_output message_agent_thought.tool_process_data = '' # currently not support message_agent_thought.message_token = loop_message_tokens message_agent_thought.message_unit_price = agent_message_unit_price message_agent_thought.message_price_unit = agent_message_price_unit message_agent_thought.answer_token = loop_answer_tokens message_agent_thought.answer_unit_price = agent_answer_unit_price message_agent_thought.answer_price_unit = agent_answer_price_unit message_agent_thought.latency = agent_loop.latency message_agent_thought.tokens = agent_loop.prompt_tokens + agent_loop.completion_tokens message_agent_thought.total_price = loop_total_price message_agent_thought.currency = agent_model_instance.get_currency() db.session.commit() def on_dataset_query_end(self, dataset_query_obj: DatasetQueryObj): dataset_query = DatasetQuery( dataset_id=dataset_query_obj.dataset_id, content=dataset_query_obj.query, source='app', source_app_id=self.app.id, created_by_role=('account' if isinstance(self.user, Account) else 'end_user'), created_by=self.user.id ) db.session.add(dataset_query) db.session.commit() def on_dataset_query_finish(self, resource: List): if resource and len(resource) > 0: for item in resource: dataset_retriever_resource = DatasetRetrieverResource( message_id=self.message.id, position=item.get('position'), dataset_id=item.get('dataset_id'), dataset_name=item.get('dataset_name'), document_id=item.get('document_id'), document_name=item.get('document_name'), data_source_type=item.get('data_source_type'), segment_id=item.get('segment_id'), score=item.get('score') if 'score' in item else None, hit_count=item.get('hit_count') if 'hit_count' else None, word_count=item.get('word_count') if 'word_count' in item else None, segment_position=item.get('segment_position') if 'segment_position' in item else None, index_node_hash=item.get('index_node_hash') if 'index_node_hash' in item else None, content=item.get('content'), retriever_from=item.get('retriever_from'), created_by=self.user.id ) db.session.add(dataset_retriever_resource) db.session.commit() self.retriever_resource = resource def on_message_replace(self, text: str): if text is not None: self._pub_handler.pub_message_replace(text) def message_end(self): self._pub_handler.pub_message_end(self.retriever_resource) def end(self): self._pub_handler.pub_message_end(self.retriever_resource) self._pub_handler.pub_end() class PubHandler: def __init__(self, user: Union[Account, EndUser], task_id: str, message: Message, conversation: Conversation, chain_pub: bool = False, agent_thought_pub: bool = False): self._channel = PubHandler.generate_channel_name(user, task_id) self._stopped_cache_key = PubHandler.generate_stopped_cache_key(user, task_id) self._task_id = task_id self._message = message self._conversation = conversation self._chain_pub = chain_pub self._agent_thought_pub = agent_thought_pub @classmethod def generate_channel_name(cls, user: Union[Account, EndUser], task_id: str): if not user: raise ValueError("user is required") user_str = 'account-' + str(user.id) if isinstance(user, Account) else 'end-user-' + str(user.id) return "generate_result:{}-{}".format(user_str, task_id) @classmethod def generate_stopped_cache_key(cls, user: Union[Account, EndUser], task_id: str): user_str = 'account-' + str(user.id) if isinstance(user, Account) else 'end-user-' + str(user.id) return "generate_result_stopped:{}-{}".format(user_str, task_id) def pub_text(self, text: str): content = { 'event': 'message', 'data': { 'task_id': self._task_id, 'message_id': str(self._message.id), 'text': text, 'mode': self._conversation.mode, 'conversation_id': str(self._conversation.id) } } redis_client.publish(self._channel, json.dumps(content)) if self._is_stopped(): self.pub_end() raise ConversationTaskStoppedException() def pub_message_replace(self, text: str): content = { 'event': 'message_replace', 'data': { 'task_id': self._task_id, 'message_id': str(self._message.id), 'text': text, 'mode': self._conversation.mode, 'conversation_id': str(self._conversation.id) } } redis_client.publish(self._channel, json.dumps(content)) if self._is_stopped(): self.pub_end() raise ConversationTaskStoppedException() def pub_chain(self, message_chain: MessageChain): if self._chain_pub: content = { 'event': 'chain', 'data': { 'task_id': self._task_id, 'message_id': self._message.id, 'chain_id': message_chain.id, 'type': message_chain.type, 'input': json.loads(message_chain.input), 'output': json.loads(message_chain.output), 'mode': self._conversation.mode, 'conversation_id': self._conversation.id } } redis_client.publish(self._channel, json.dumps(content)) if self._is_stopped(): self.pub_end() raise ConversationTaskStoppedException() def pub_agent_thought(self, message_agent_thought: MessageAgentThought): if self._agent_thought_pub: content = { 'event': 'agent_thought', 'data': { 'id': message_agent_thought.id, 'task_id': self._task_id, 'message_id': self._message.id, 'chain_id': message_agent_thought.message_chain_id, 'position': message_agent_thought.position, 'thought': message_agent_thought.thought, 'tool': message_agent_thought.tool, 'tool_input': message_agent_thought.tool_input, 'mode': self._conversation.mode, 'conversation_id': self._conversation.id } } redis_client.publish(self._channel, json.dumps(content)) if self._is_stopped(): self.pub_end() raise ConversationTaskStoppedException() def pub_message_end(self, retriever_resource: List): content = { 'event': 'message_end', 'data': { 'task_id': self._task_id, 'message_id': self._message.id, 'mode': self._conversation.mode, 'conversation_id': self._conversation.id } } if retriever_resource: content['data']['retriever_resources'] = retriever_resource redis_client.publish(self._channel, json.dumps(content)) if self._is_stopped(): self.pub_end() raise ConversationTaskStoppedException() def pub_end(self): content = { 'event': 'end', } redis_client.publish(self._channel, json.dumps(content)) @classmethod def pub_error(cls, user: Union[Account, EndUser], task_id: str, e): content = { 'error': type(e).__name__, 'description': e.description if getattr(e, 'description', None) is not None else str(e) } channel = cls.generate_channel_name(user, task_id) redis_client.publish(channel, json.dumps(content)) def _is_stopped(self): return redis_client.get(self._stopped_cache_key) is not None @classmethod def ping(cls, user: Union[Account, EndUser], task_id: str): content = { 'event': 'ping' } channel = cls.generate_channel_name(user, task_id) redis_client.publish(channel, json.dumps(content)) @classmethod def stop(cls, user: Union[Account, EndUser], task_id: str): stopped_cache_key = cls.generate_stopped_cache_key(user, task_id) redis_client.setex(stopped_cache_key, 600, 1) class ConversationTaskStoppedException(Exception): pass class ConversationTaskInterruptException(Exception): pass