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509 lines
18 KiB
Python
509 lines
18 KiB
Python
from __future__ import annotations
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import asyncio
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import sys
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import time
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import traceback
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from api.model.toolkit_ui.conversation import ConversationHelper
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from local import noawait
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from typing import Optional, Callable, TypedDict
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from aiohttp import web
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from sqlalchemy import select
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from api.model.chat_complete.conversation import ConversationChunkHelper, ConversationModel, ConversationChunkModel
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from noawait import NoAwaitPool
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from service.chat_complete import ChatCompleteService, ChatCompleteServiceResponse
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from service.database import DatabaseService
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from service.embedding_search import EmbeddingSearchArgs
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from service.mediawiki_api import MediaWikiApi, MediaWikiPageNotFoundException, MediaWikiUserNoEnoughPointsException
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from service.tiktoken import TikTokenService
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import utils.web
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chat_complete_tasks: dict[str, ChatCompleteTask] = {}
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class ChatCompleteTask:
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def __init__(self, dbs: DatabaseService, user_id: int, page_title: str, is_system = False):
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self.task_id = utils.web.generate_uuid()
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self.on_message: list[Callable] = []
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self.on_finished: list[Callable] = []
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self.on_error: list[Callable] = []
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self.chunks: list[str] = []
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self.chat_complete_service: ChatCompleteService
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self.chat_complete: ChatCompleteService
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self.dbs = dbs
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self.user_id = user_id
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self.page_title = page_title
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self.is_system = is_system
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self.transatcion_id: Optional[str] = None
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self.point_cost: int = 0
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self.is_finished = False
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self.finished_time: Optional[float] = None
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self.result: Optional[ChatCompleteServiceResponse] = None
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self.error: Optional[Exception] = None
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async def init(self, question: str, conversation_id: Optional[str] = None, edit_message_id: Optional[str] = None,
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embedding_search: Optional[EmbeddingSearchArgs] = None):
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self.tiktoken = await TikTokenService.create()
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self.mwapi = MediaWikiApi.create()
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self.chat_complete_service = ChatCompleteService(self.dbs, self.page_title)
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self.chat_complete = await self.chat_complete_service.__aenter__()
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if await self.chat_complete.page_index_exists():
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question_tokens = await self.tiktoken.get_tokens(question)
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extract_limit = embedding_search["limit"] or 10
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self.transatcion_id: Optional[str] = None
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self.point_cost: int = 0
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if not self.is_system:
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usage_res = await self.mwapi.ai_toolbox_start_transaction(self.user_id, "chatcomplete",
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question_tokens, extract_limit)
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self.transatcion_id = usage_res["transaction_id"]
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self.point_cost = usage_res["point_cost"]
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res = await self.chat_complete.prepare_chat_complete(question, conversation_id=conversation_id,
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user_id=self.user_id, edit_message_id=edit_message_id, embedding_search=embedding_search)
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return res
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else:
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await self._exit()
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raise MediaWikiPageNotFoundException("Page %s not found." % self.page_title)
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async def _on_message(self, delta_message: str):
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self.chunks.append(delta_message)
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for callback in self.on_message:
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try:
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await callback(delta_message)
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except Exception as e:
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print("Error while processing on_message callback: %s" % e, file=sys.stderr)
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traceback.print_exc()
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async def _on_finished(self):
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for callback in self.on_finished:
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try:
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await callback(self.result)
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except Exception as e:
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print("Error while processing on_finished callback: %s" % e, file=sys.stderr)
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traceback.print_exc()
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async def _on_error(self, err: Exception):
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self.error = err
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for callback in self.on_error:
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try:
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await callback(err)
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except Exception as e:
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print("Error while processing on_error callback: %s" % e, file=sys.stderr)
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traceback.print_exc()
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async def run(self):
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try:
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chat_res = await self.chat_complete.finish_chat_complete(self._on_message)
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await self.chat_complete.set_latest_point_cost(self.point_cost)
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self.result = chat_res
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if self.transatcion_id:
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await self.mwapi.ai_toolbox_end_transaction(self.transatcion_id, chat_res["total_tokens"])
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await self._on_finished()
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except Exception as e:
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err_msg = f"Error while processing chat complete request: {e}"
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print(err_msg, file=sys.stderr)
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traceback.print_exc()
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if self.transatcion_id:
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await self.mwapi.ai_toolbox_cancel_transaction(self.transatcion_id, error=err_msg)
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await self._on_error(e)
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finally:
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await self._exit()
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async def _exit(self):
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await self.chat_complete_service.__aexit__(None, None, None)
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del chat_complete_tasks[self.task_id]
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self.is_finished = True
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self.finished_time = time.time()
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TASK_EXPIRE_TIME = 60 * 10
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async def chat_complete_task_gc():
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now = time.time()
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for task_id in chat_complete_tasks.keys():
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task = chat_complete_tasks[task_id]
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if task.is_finished and task.finished_time is not None and now > task.finished_time + TASK_EXPIRE_TIME:
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del chat_complete_tasks[task_id]
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noawait.add_timer(chat_complete_task_gc, 60)
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class ChatComplete:
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@staticmethod
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@utils.web.token_auth
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async def get_conversation_chunk_list(request: web.Request):
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params = await utils.web.get_param(request, {
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"user_id": {
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"required": False,
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"type": int
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},
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"id": {
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"required": True,
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"type": int
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}
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})
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if request.get("caller") == "user":
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user_id = request.get("user")
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else:
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user_id = params.get("user_id")
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conversation_id = params.get("id")
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db = await DatabaseService.create(request.app)
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async with ConversationHelper(db) as conversation_helper, ConversationChunkHelper(db) as conversation_chunk_helper:
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conversation_info = await conversation_helper.find_by_id(conversation_id)
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if conversation_info is None:
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return await utils.web.api_response(-1, error={
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"code": "conversation-not-found",
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"message": "Conversation not found."
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}, http_status=404, request=request)
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if conversation_info.user_id != user_id:
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return await utils.web.api_response(-1, error={
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"code": "permission-denied",
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"message": "Permission denied."
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}, http_status=403, request=request)
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conversation_chunk_result = await conversation_chunk_helper.get_chunk_id_list(conversation_id)
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conversation_chunk_list = []
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for result in conversation_chunk_result:
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conversation_chunk_list.append(result)
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return await utils.web.api_response(1, conversation_chunk_list, request=request)
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@staticmethod
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@utils.web.token_auth
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async def get_conversation_chunk(request: web.Request):
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params = await utils.web.get_param(request, {
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"user_id": {
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"required": False,
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"type": int,
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},
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"chunk_id": {
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"required": True,
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"type": int,
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},
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})
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if request.get("caller") == "user":
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user_id = request.get("user")
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else:
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user_id = params.get("user_id")
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chunk_id = params.get("chunk_id")
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db = await DatabaseService.create(request.app)
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async with ConversationHelper(db) as conversation_helper, ConversationChunkHelper(db) as conversation_chunk_helper:
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chunk_info = await conversation_chunk_helper.find_by_id(chunk_id)
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if chunk_info is None:
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return await utils.web.api_response(-1, error={
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"code": "conversation-chunk-not-found",
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"message": "Conversation chunk not found."
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}, http_status=404, request=request)
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conversation_info = await conversation_helper.find_by_id(chunk_info.conversation_id)
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if conversation_info is not None and conversation_info.user_id != user_id:
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return await utils.web.api_response(-1, error={
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"code": "permission-denied",
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"message": "Permission denied."
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}, http_status=403, request=request)
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chunk_dict = {
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"id": chunk_info.id,
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"conversation_id": chunk_info.conversation_id,
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"message_data": chunk_info.message_data,
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"tokens": chunk_info.tokens,
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"updated_at": chunk_info.updated_at,
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}
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return await utils.web.api_response(1, chunk_dict, request=request)
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@staticmethod
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@utils.web.token_auth
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async def get_tokens(request: web.Request):
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params = await utils.web.get_param(request, {
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"question": {
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"type": str,
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"required": True
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}
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})
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question = params.get("question")
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tiktoken = await TikTokenService.create()
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tokens = await tiktoken.get_tokens(question)
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return await utils.web.api_response(1, {"tokens": tokens}, request=request)
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@staticmethod
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@utils.web.token_auth
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async def get_point_cost(request: web.Request):
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params = await utils.web.get_param(request, {
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"question": {
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"type": str,
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"required": True,
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},
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"extract_limit": {
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"type": int,
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"required": False,
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"default": 10,
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},
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})
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user_id = request.get("user")
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caller = request.get("caller")
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question = params.get("question")
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extract_limit = params.get("extract_limit")
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tiktoken = await TikTokenService.create()
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mwapi = MediaWikiApi.create()
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tokens = await tiktoken.get_tokens(question)
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try:
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res = await mwapi.ai_toolbox_get_point_cost(user_id, "chatcomplete", tokens, extract_limit)
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return await utils.web.api_response(1, {
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"point_cost": res["point_cost"],
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"tokens": tokens,
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}, request=request)
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except Exception as e:
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err_msg = f"Error while get chat complete point cost: {e}"
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traceback.print_exc()
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return await utils.web.api_response(-1, error={
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"code": "chat-complete-error",
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"message": err_msg
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}, http_status=500, request=request)
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@staticmethod
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@utils.web.token_auth
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async def start_chat_complete(request: web.Request):
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params = await utils.web.get_param(request, {
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"title": {
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"type": str,
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"required": True,
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},
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"question": {
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"type": str,
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"required": True,
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},
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"conversation_id": {
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"type": int,
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"required": False,
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},
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"extract_limit": {
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"type": int,
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"required": False,
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"default": 10,
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},
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"in_collection": {
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"type": bool,
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"required": False,
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"default": False,
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},
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"edit_message_id": {
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"type": str,
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"required": False,
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},
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})
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user_id = request.get("user")
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caller = request.get("caller")
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page_title = params.get("title")
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question = params.get("question")
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conversation_id = params.get("conversation_id")
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extract_limit = params.get("extract_limit")
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in_collection = params.get("in_collection")
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edit_message_id = params.get("edit_message_id")
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dbs = await DatabaseService.create(request.app)
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try:
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chat_complete_task = ChatCompleteTask(dbs, user_id, page_title, caller != "user")
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init_res = await chat_complete_task.init(question, conversation_id=conversation_id, edit_message_id=edit_message_id,
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embedding_search={
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"limit": extract_limit,
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"in_collection": in_collection,
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})
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chat_complete_tasks[chat_complete_task.task_id] = chat_complete_task
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noawait.add_task(chat_complete_task.run())
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return await utils.web.api_response(1, data={
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"conversation_id": init_res["conversation_id"],
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"chunk_id": init_res["chunk_id"],
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"question_tokens": init_res["question_tokens"],
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"extract_doc": init_res["extract_doc"],
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"task_id": chat_complete_task.task_id,
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}, request=request)
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except MediaWikiPageNotFoundException as e:
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error_msg = "Page \"%s\" not found." % page_title
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return await utils.web.api_response(-1, error={
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"code": "page-not-found",
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"title": page_title,
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"message": error_msg
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}, http_status=404, request=request)
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except MediaWikiUserNoEnoughPointsException as e:
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error_msg = "Does not have enough points." % user_id
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return await utils.web.api_response(-1, error={
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"code": "no-enough-points",
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"message": error_msg
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}, http_status=403, request=request)
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except Exception as e:
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err_msg = f"Error while processing chat complete request: {e}"
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traceback.print_exc()
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return await utils.web.api_response(-1, error={
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"code": "chat-complete-error",
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"message": err_msg
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}, http_status=500, request=request)
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@staticmethod
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@utils.web.token_auth
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async def chat_complete_stream(request: web.Request):
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if not utils.web.is_websocket(request):
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return await utils.web.api_response(-1, error={
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"code": "websocket-required",
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"message": "This API only accept websocket connection."
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}, http_status=400, request=request)
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params = await utils.web.get_param(request, {
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"task_id": {
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"type": str,
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"required": True,
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}
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})
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ws = web.WebSocketResponse()
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await ws.prepare(request)
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task_id = params.get("task_id")
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task = chat_complete_tasks.get(task_id)
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if task is None:
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await ws.send_json({
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'event': 'error',
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'status': -1,
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'message': "Task not found.",
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'error': {
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'code': "task-not-found",
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'info': "Task not found.",
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},
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})
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return
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if request.get("caller") == "user":
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user_id = request.get("user")
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if task.user_id != user_id:
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await ws.send_json({
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'event': 'error',
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'status': -1,
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'message': "Permission denied.",
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'error': {
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'code': "permission-denied",
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'info': "Permission denied.",
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},
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})
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return
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if task.is_finished:
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if task.error is not None:
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await ws.send_json({
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'event': 'error',
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'status': -1,
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'message': str(task.error),
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'error': {
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'code': "internal-error",
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'info': str(task.error),
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},
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})
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await ws.close()
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elif task.result is not None:
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await ws.send_json({
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'event': 'connected',
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'status': 1,
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'outputed_message': "".join(task.chunks),
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})
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await ws.send_json({
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'event': 'finished',
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'status': 1,
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'result': task.result
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})
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await ws.close()
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else:
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async def on_message(delta_message: str):
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await ws.send_str("+" + delta_message)
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async def on_finished(result: ChatCompleteServiceResponse):
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ignored_keys = ["message"]
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response_result = {
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"point_cost": task.point_cost,
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}
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for k, v in result.items():
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if k not in ignored_keys:
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response_result[k] = v
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await ws.send_json({
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'event': 'finished',
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'status': 1,
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'result': response_result
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})
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await ws.close()
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async def on_error(err: Exception):
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await ws.send_json({
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'event': 'error',
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'status': -1,
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'message': str(err),
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'error': {
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'code': "internal-error",
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'info': str(err),
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},
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})
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await ws.close()
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task.on_message.append(on_message)
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task.on_finished.append(on_finished)
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task.on_error.append(on_error)
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# Send received message
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await ws.send_json({
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'event': 'connected',
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'status': 1,
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'outputed_message': "".join(task.chunks),
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})
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while True:
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if ws.closed:
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task.on_message.remove(on_message)
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task.on_finished.remove(on_finished)
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task.on_error.remove(on_error)
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break
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await asyncio.sleep(0.1)
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