Python爬虫之定时抢购淘宝商品

importtime
from selenium importwebdriver
importdatetime
classSpider:
    def __init__(self, url):
        self.__base_url =url
        self.__headers ={
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.62 Safari/537.36',
        }
    defget_url(self):
        globaldriver
        driver.get(self.__base_url)
    deflogin(self):
        globaldriver
        if driver.find_element_by_link_text("亲，请登录"):
            driver.find_element_by_link_text("亲，请登录").click()
            print("请在30秒内扫描登陆")
            time.sleep(30)
            driver.get("https://cart.taobao.com/cart.htm")
    defselectAll(self,method):
        globaldriver
        #打开购物车列表页面
        driver.get("https://cart.taobao.com/cart.htm")
        time.sleep(3)
        #是否全选购物车
        if method ==0:
            whileTrue:
                try:
                    if driver.find_element_by_id("J_SelectAll1"):
                        driver.find_element_by_id("J_SelectAll1").click()
                        break
                except:
                    #print(f"找不到购买按钮")
                    pass
        if method ==1:
            print(f"请手动勾选需要购买的商品")
            time.sleep(30)
    defbuy(self,times):
        globaldriver
        whileTrue:
            now =datetime.datetime.now()
            #对比时间，时间到的话就点击结算
            if now >times:
                #点击结算按钮
                whileTrue:
                    try:
                        if driver.find_element_by_link_text("结 算"):
                            driver.find_element_by_link_text("结 算").click()
                            print(f"结算成功，准备提交订单")
                            break
                    except:
                        pass
                #点击提交订单按钮
                whileTrue:
                    try:
                        if driver.find_element_by_link_text('提交订单'):
                            driver.find_element_by_link_text('提交订单').click()
                            print(f"抢购成功，请尽快付款")
                    except:
                        #print(f"再次尝试提交订单")
                        pass
                time.sleep(0.01)
option =webdriver.ChromeOptions()
option.add_argument('disable-infobars')
driver = webdriver.Chrome(chrome_options=option)
spider = Spider("https://www.taobao.com")
spider.get_url()
spider.login()
#设置0为全选、1为手动
spider.selectAll(0)
#设置抢购时间
set_time = datetime.datetime(2019,6,6,1,25)
spider.buy(set_time)