标签:and encode on() desc timestamp 使用 object change 文件
import asyncio import sys from queue import Queue sys.path.append("../") # from tool.__init__ import * from tool.Common import * from tool.tencent_cloud_mysql_connect import Mysql_operation from tool.request_data_change_to_StrEncode import request_data_change_to_str import time import gevent import asyncio import aiohttp#requests异步版 class doWeChatNotify(object): def __init__(self): # super().__init__() self.limit_num=100 #查询记录条数 # self.WeChatNotify_sql=‘‘‘select order_id,order_sn from fw_order where `status`=0 # and course_id=1569 ORDER BY create_time desc limit %d ;‘‘‘%(self.limit_num) self.WeChatNotify_sql =‘‘‘select order_id,order_sn from order_info limit 500;‘‘‘ self.fwh_test_api=fwh_test_api self.my_op=Mysql_operation() self.data = self.my_op.sql_operation(self.WeChatNotify_sql) self.data_to_str=request_data_change_to_str() self.fwh_order_dict = {} self.que = Queue() def testDoWeChatNotify(self): DoWeChatNotify_file=‘../tokenFileAndtxtFiles‘+‘/‘+"DoWeChatNotify_asynchronousPay.txt" with open(DoWeChatNotify_file,‘a‘,encoding=‘utf=-8‘) as file: str_first="order_id\t"+"order_sn\t\n" #文件首行数据 file.write(str_first) fwh_order_id_list, fwh_order_sn_list = [], [] if self.data!=(): for a in self.data: fwh_order_id=a[‘order_id‘] fwh_order_sn=a[‘order_sn‘] self.fwh_order_dict[fwh_order_id]=fwh_order_sn with open(DoWeChatNotify_file,‘a‘,encoding=‘utf-8‘) as file2:#文件写入 str_DoWeChatNotifyInfo=str(fwh_order_id)+‘\t‘+str(fwh_order_sn)+‘\t\n‘ file2.flush() #清除缓冲区 file2.write(str_DoWeChatNotifyInfo) self.que.put(self.fwh_order_dict)#将数据添加至队列 return self.que.qsize()#返回队列数量 async def asynchronousPay(self,order_id,order_sn): if (self.data!=()): url_wechat_success_huidiao=self.fwh_test_api+‘/index/Order/doWeChatNotify‘ data_wechat_success_huidiao = self.data_to_str.requestDataToStr_firefoxAndChrome_fwh(‘‘‘order_sn:{} order_id:{} meth_id:4 timestamp:157129653969 sign:0687b01b300b9e300d3996a9d2173f1380973e5a‘‘‘.format(order_sn, order_id)) async with aiohttp.ClientSession() as session: async with session.post(url=url_wechat_success_huidiao, headers=headers_form_urlencoded, data=data_wechat_success_huidiao) as response: await asyncio.sleep(1) return await response.read() else: print(‘待支付订单为空‘) async def run(self): self.testDoWeChatNotify() # 获取队列数量 order_id = asyncio.Semaphore(500) # 限制并发量为500 to_get = [self.asynchronousPay(order_id,order_sn) for order_id,order_sn in self.que.get().items()] # 总共1000任务 # threads = [gevent.spawn(self.asynchronousPay, order_id, order_sn) for order_id, order_sn in # self.que.get().items()] # gevent.joinall(threads)#gevent协程写法 await asyncio.wait(to_get) def run_startAll(self): loop = asyncio.get_event_loop() loop.run_until_complete(self.run()) loop.close() if __name__=="__main__": start_time = time.time() # 计算程序开始时间 wechfy=doWeChatNotify() wechfy.run_startAll() print(‘程序耗时{:.2f}‘.format(time.time() - start_time)) # 计算程序总耗时
总结:
1.使用协程请求需用到aiohttp这个库(我把它理解成是requests的异步版本),如果直接用requests这个库去请求则就不能发挥协程的优势(涉及到io操作)或者直接说不能称为了真正的协程;
2.async/awiat关键字的使用:配合asyncio模块一起使用(结合aiohttp)
3.执行500个订单的时间为11.x秒,跟多线程执行差不多(但是这个对系统的开销会小很多)
标签:and encode on() desc timestamp 使用 object change 文件
原文地址:https://www.cnblogs.com/qtclm/p/12119178.html