如何使用Selenium在Instagram上向下滚动对话框？

Question

我有一个用户列表，我想要在Instagram上提取其关注者。我试图在“关注者”对话框中滚动，并将每个关注者追加到一个列表中，因此在继续为下一个用户执行相同操作之前，我最终获得了该用户的完整关注者列表。

这是我的代码：

for username in username_column:
    currentRow=currentRow+1
    userprofile = browser.get('https://www.instagram.com/' + username)

    # Find the "followers" link, click it and wait 2 seconds
    followersLink = browser.find_element_by_xpath("//ul/li[2]/a")
    followersLink.click()
    time.sleep(2)

    # Find the dialog box 
    followersList = browser.find_element_by_css_selector("div[role=\'dialog\'] ul")
    numberOfFollowersInList = len(followersList.find_elements_by_css_selector('li'))
    followersList.click()
    actionChain = webdriver.ActionChains(browser)
    followers = []

    # As long as the number of followers in the list is lower than number required
    # press SPACE. After each press, we refresh the number of users we have in the list
    # and print it.

    while (numberOfFollowersInList < max):

        actionChain.key_down(Keys.SPACE).key_up(Keys.SPACE).perform()
        time.sleep(2)
        numberOfFollowersInList = len(followersList.find_elements_by_css_selector('li'))
        followersInList = followersList.find_elements_by_css_selector('li')
        for element in followersInList:
            followerData = element.text
            print(followerData)
            followers.append(followerData)
            #print(followers)
        followersList.click()

但是，这会返回很多重复的关注者数据，当我在Instagram上观看浏览器（驱动程序）时，就像卡住了一样，同时滚动并且不知道从滚动位置开始滚动一旦。我希望我写的清楚。

提前谢谢！