如何使用Selenium提取属性图片的值Python

How to extract the value of the attribute picture using Selenium Python

作为测试的一部分,我一直在寻找 XPath 代码来获取 HTML 元素的属性值。

<div class="gallery-list">
<figure class="figure hd" ng-class="profileGallery.css" profile-item-remove="9>
    <a href="https://#" data-login="" gallery-modal="9" rel="nofollow">
    <picture sl-video-preview="https://movie.mp4" sl-safe="" class="ng-isolate-scope sl-safe">
    </a>
</figure>
<div>

我需要通过 xpath 获取属性值 sl-video-preview 有些可以帮助我们。 谢谢

这是您可以使用的通用 xpath。

//figure[@class='figure hd']/picture

并且您必须获得 'sl-video-preview' 属性。

Chrome 控制台输出:

提取 属性 sl-video-preview 的值,因为元素是 Angular element you have to induce WebDriverWait for the visibility_of_element_located() and you can use either of the following :

  • 使用CSS_SELECTOR:

    print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "div.gallery-list > figure.figure.hd > a > picture.ng-isolate-scope.sl-safe"))).get_attribute("sl-video-preview"))
    
  • 使用XPATH:

    print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.XPATH, "//div[@class='gallery-list']/figure[@class='figure hd']/a/picture[@class='ng-isolate-scope sl-safe']"))).get_attribute("sl-video-preview"))
    
  • 注意:您必须添加以下导入:

    from selenium.webdriver.support.ui import WebDriverWait
    from selenium.webdriver.common.by import By
    from selenium.webdriver.support import expected_conditions as EC
    

我有问题,为什么在某些情况下标签图出现多次而@DebanjanB 的这个例子只得到一条记录,那么我需要所有结果。

<div class="gallery-list">
<figure class="figure" ng-class="profileGallery.css" profile-item-remove="9>
    <a href="https://#" data-login="" gallery-modal="9" rel="nofollow">
    <picture sl-video-preview="https://movie.mp4" sl-safe="" class="ng-isolate-scope sl-safe">
    </a>
</figure>
<figure class="figure hd" ng-class="profileGallery.css" profile-item-remove="9>
    <a href="https://#" data-login="" gallery-modal="9" rel="nofollow">
    <picture sl-video-preview="https://movie.mp4" sl-safe="" class="ng-isolate-scope sl-safe">
    </a>
</figure>
<figure class="figure" ng-class="profileGallery.css" profile-item-remove="9>
    <a href="https://#" data-login="" gallery-modal="9" rel="nofollow">
    <picture sl-video-preview="https://movie.mp4" sl-safe="" class="ng-isolate-scope sl-safe">
    </a>
</figure>
<div>

有效的 XPath 示例:

print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.XPATH, "//div[@class='gallery-list']/figure[@class='figure hd']/a/picture[@class='ng-isolate-scope sl-safe']"))).get_attribute("sl-video-preview"))

如何获取所有记录?