python - 消息：过时的元素引用：元素未附加到 Python 中的页面文档

Question

我一直在尝试在三个不同的网络链接中运行以下代码。代码在一个网络链接上运行良好。但是，它会引发有关“消息：过时元素引用：元素未附加到页面文档”的错误消息。我查看了论坛之前的两个线程（Python Selenium stale element fix和How to Navigate to a New Webpage In Selenium？）关于相同的错误消息，但没有解决问题。这是我的代码：

driver.get('https://github.com/avassalotti')
contributions = driver.find_elements_by_xpath(".//ul[@class='filter-list small']//li") 
print(contributions)
for item in contributions:
    print (item)
    print(item.text)
    item.click()
    time.sleep(3)
    contribution = driver.find_element_by_xpath(".//*[@class='f4 text-normal mb-2']").text
    print(contribution)

程序适用于此链接 ( https://github.com/alex )，不适用于 ( https://github.com/agronholm , https://github.com/avassalotti )。

任何解决问题的建议。

Answer 1

要检索避免过时元素引用的贡献的详细信息，您可以使用以下解决方案：

• 代码块：

  from selenium import webdriver
  from selenium.webdriver.common.by import By
  from selenium.webdriver.support.ui import WebDriverWait
  from selenium.webdriver.support import expected_conditions as EC
  
  years = []
  options = webdriver.ChromeOptions() 
  options.add_argument("start-maximized")
  options.add_argument('disable-infobars')
  driver=webdriver.Chrome(chrome_options=options, executable_path=r'C:\Utility\BrowserDrivers\chromedriver.exe')
  driver.get("https://github.com/agronholm")
  contributions = WebDriverWait(driver, 5).until(EC.visibility_of_all_elements_located((By.XPATH, "//div[@class='profile-timeline-year-list js-profile-timeline-year-list bg-white js-sticky float-right col-2 pl-5']/ul[@class='filter-list small']//li/a")))
  for item in contributions:
      print(item.get_attribute("innerHTML"))
      years.append(item.get_attribute("href"))
  for year in years:
      driver.get(year)
      print(WebDriverWait(driver, 5).until(EC.visibility_of_element_located((By.XPATH, "//div[@class='js-yearly-contributions']//h2[@class='f4 text-normal mb-2']"))).get_attribute("innerHTML"))
  

• 控制台输出：

        2018
  
  
        2017
  
  
        2016
  
  
        2015
  
  
        2014
  
  
        2013
  
  
        2012
  
  
        2011
  
  
        2010
  
  
        2009
  
  
        260 contributions in the last year
  
  
        637 contributions in 2017
  
  
        770 contributions in 2016
  
  
        298 contributions in 2015
  
  
        239 contributions in 2014
  
  
        101 contributions in 2013
  
  
        113 contributions in 2012
  
  
        90 contributions in 2011
  
  
        16 contributions in 2010
  
  
        2 contributions in 2009
  

• 在这里您可以找到有关PageFactory 中的 StaleElementReference 异常的详细讨论