如何检查弹出页面是否完全向下滚动硒

Question

我写了一个脚本来在TripAdvisor上抓取酒店的图像，我能够迭代所有这些图像，我担心的是是否知道我已经完成了在弹出窗口中的滚动。我无法创建一个条件来突破我的循环，然后解析所有的图像url，并无限地留在循环中。我的if条件应该是什么才能排除在循环之外？非常感谢您的帮助！

# import dependencies
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
import re
import selenium
import io
import pandas as pd
import urllib.request
import urllib.parse
import requests
from bs4 import BeautifulSoup
import pandas as pd
from selenium.webdriver.common.action_chains import ActionChains
from selenium import webdriver
import time
from _datetime import datetime
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
options = webdriver.ChromeOptions()
options.headless=False
driver = webdriver.Chrome("/Users/rishi/Downloads/chromedriver 3")
driver.maximize_window()
prefs = {"profile.default_content_setting_values.notifications" : 2} 
options.add_experimental_option("prefs", prefs)
#open up website
driver.get(
"https://www.tripadvisor.com/Hotel_Review-g28970-d84078-Reviews-Hyatt_Regency_Washington_on_Capitol_Hill-Washington_DC_District_of_Columbia.html#/media/84078/?albumid=101&type=2&category=101")
image_url = []
end = False
while not(end):
old_image_length = len(image_url)
#wait until element is found and then store all webelements into list
images = WebDriverWait(driver, 20).until(
EC.presence_of_all_elements_located(
(By.XPATH, '//*[@class="media-viewer-dt-root-GalleryImageWithOverlay__galleryImage--1Drp0"]')))
#iterate through visible images and add their url to list
for index, image in enumerate(images):
image_url.append(images[index].value_of_css_property("background-image"))
new_image_length = len(image_url)
#move to next visible images in the array which is the last one
driver.execute_script("arguments[0].scrollIntoView();", images[-1])
#wait one second
time.sleep(1)
#if the first and last image in the arrays are the same for visibility then get out
if(old_image_length == new_image_length):
end = True
#clean the list to provide clear links
for i in range(len(image_url)):
start = image_url[i].find("url("") + len("url("")
end = image_url[i].find("")")
print(image_url[i][start:end]) 
#print(image_url)

Answer 1

@Rishiraj Kanugo您可以检查弹出窗口中最后一个元素的可见性，以确保弹出窗口完全滚动到底。if(element.isVisible(((｛Syso("弹出窗口完全向下滚动"(；｝