pyppeteer对于iframe中的滑块

import asyncioimport timeimport numpy, randomimport pyppeteerasync def main():    ip = "xxxxxx"      #代理ip    port = "xxxx"      #代理端口    browser = await pyppeteer.launch({'headless': False,                                      'args': [                                          '--window-size={1300},{600}'                                          '--disable-extensions',                                          '--hide-scrollbars',                                          '--disable-bundled-ppapi-flash',                                          '--mute-audio',                                          '--no-sandbox',                                          '--disable-setuid-sandbox',                                          '--disable-gpu',                                          '--disable-infobars'                                          f'--proxy-server={ip}:{port}'                                      ],                                      'dumpio': True                                      })    page = await browser.newPage()    #打开一个新页面    await page.goto('url')   #你要去的页面    time.sleep(1)    await page.setUserAgent('5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36')    await page.evaluateOnNewDocument('() =>{ Object.defineProperties(navigator,'                                          '{ webdriver:{ get: () => undefined } }) }')    await page.evaluateOnNewDocument('() =>{ Object.defineProperties(navigator,'                                          '{ appVersion:{ get: () => 5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 } }) }')    frame = page.frames   #获取所有的iframe    iframe = frame[1]    await iframe.hover("#nc_1_n1z")   #iframe中的元素聚焦    await page.mouse.down()    # time.sleep(1000)    # 3 滑动    print(random_linspace(100,800))    start = 0    end = 0    for a in random_linspace(4,800):        a = int(a)        print(f'滑动{a}')        end +=a        print(end, start)        await  page.mouse.move(end, start)        start=enddef random_linspace(num, length):    start, end = 0.5 * (length / num), 1.5 * (length / num)    # 借助三方库生成一个标准的等差数列，主要是得出标准等差 space    origin_list = numpy.linspace(start, end, num)    space = origin_list[2] - origin_list[1]    # 在标准等差的基础上，设置上下浮动的大小，（上下浮动10%）    min_random, max_random = -(space / 10), space / 10    result = []    # 等差数列的初始值不变，就是我们设置的start    value = start    # 将等差数列添加到 list    result.append(value)    # 初始值已经添加，循环的次数 减一    for i in range(num - 1):        # 浮动的等差值 space        random_space = space + random.uniform(min_random, max_random)        value += random_space        result.append(value)    return resultasyncio.get_event_loop().run_until_complete(main())