crawler_task_management/task_management/all_task_management.py

# -*- coding: utf-8 -*-
import time
import json
from typing import Dict, Any
from public_function.asyn_mysql import AsyncMySQL
from public_function.public_func import create_logger
from public_function.redis_task_manager import RedisTaskManager

logger = create_logger(file_name="all_task_management")


class AllTask:
    def __init__(self, config_data: Dict[str, Any]):
        self.config_data = config_data
        self.redis_conn = RedisTaskManager(self.config_data)
        self.db_pool: Optional[AsyncMySQL] = AsyncMySQL(self.config_data["advert_policy"])

    async def deal_shopee_task(self, param):
        # 查询redis数据库，redis 数据库存在该数据直接返回
        key = f"{param['store_id']}:{param['goods_id']}"
        if not param.get('is_re_crawl', False):
            print(f"{key} 开始在redis中获取数据")
            result = self.redis_conn.read_data(key)
            if result:
                return result
        # 调用对应爬虫任务
        print(f"{key} 在redis中获取数据失败，开始调用爬虫抓取数据")
        # 任务结束后开始等待
        result = dict()
        endtime = time.time() + 55
        while time.time() < endtime:
            await time.sleep(5)
            result = self.redis_conn.read_data(key)
            if result:
                print(f"{key} 调用爬虫抓取数据后在redis获取到数据")
                return result
        return result

    async def task_distribution(self, data: Dict[str, Any]):
        result = dict()
        if data["app_name"] == "Shopee":
            try:
                result = await self.deal_shopee_task(data)
            except Exception as e:
                print(f"{data['task_id']} 获取商品数据失败，失败原因为：{e}")
        return result

    async def deal_receive_data(self, data: Dict[str, Any]):
        # 将商品数据写入mysql和redis
        print("开始处理接收到得数据：{}".format(data))
        await self.db_pool.initialize()
        key = f"{data['store_id']}:{data['goods_id']}"
        params = data.get("goods_info")
        affected_rows = self.redis_conn.write_data(key, params)
        if affected_rows:
            print(f"{key}；数据已存入redis中")
        params = {"goods_id": data["goods_id"], "store_id": data["store_id"], "country": data["country"], "app_name": data["app_name"],
                  "goods_info": json.dumps(data)}
        print(f"{params}<")
        affected_rows = await self.db_pool.insert_many(table='goods_information_record', data=[params])
        if affected_rows:
            print(f"{key}；商品数据已存入mysql")
        # 更改任务状态
        params = {"task_id": data["task_id"]}
        where_conditions = "account_id = %s"
        affected_rows = await self.db_pool.update(table='crawler_account_record_info', set_columns={"status": 2},
                                                  where_conditions=where_conditions, params=params)
        if affected_rows:
            print(f"task_id{data['task_id']} 任务完成，任务状态已修改成功")
        return True