from asyncio.tasks import Task from contextvars import ContextVar from typing import List import aiomysql from async_db import AsyncMysqlDB request_keyword_var: ContextVar[str] = ContextVar("request_keyword", default="") crawler_type_var: ContextVar[str] = ContextVar("crawler_type", default="") comment_tasks_var: ContextVar[List[Task]] = ContextVar("comment_tasks", default=[]) media_crawler_db_var: ContextVar[AsyncMysqlDB] = ContextVar("media_crawler_db_var") db_conn_pool_var: ContextVar[aiomysql.Pool] = ContextVar("db_conn_pool_var") source_keyword_var: ContextVar[str] = ContextVar("source_keyword", default="")