Selenium Python：在已知父元素下定位子元素（无需完整XPath）

<div class="listgroup">
    <div id="access-token-836771760" class="access-token js-revoke-item " data-id="836771760" data-type="token">
        <div class="listgroup-item">
            <div class="d-flex float-right">
                <details class="ml-2 details-reset details-overlay details-overlay-dark">
                    <summary data-view-component="true" class="btn-danger btn-sm btn" role="button"> Delete
                    </summary>
                    <!-- ... 省略弹窗内容 ... -->
                </details>
            </div>
            <span class="token-description">
                <strong>
                    <a href="/settings/tokens/836771760" data-pjax="">
                        Set GitHub commit build status values.</a>
                </strong>
                <!-- ... 省略其他内容 ... -->
            </span>
            <!-- ... 省略其他内容 ... -->
        </div>
    </div>
    <!-- ... 其他PAT条目 ... -->
</div>

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.remote.webelement import WebElement
import time

# 假设driver已经初始化并导航到正确的页面
# driver = webdriver.Chrome()
# driver.get("your_github_pat_settings_page_url")

def find_parent_pat_div(driver: webdriver.Chrome, description_text: str) -> WebElement:
    """
    根据PAT描述文本定位其父级div元素。
    """
    # XPath解释：
    # //a[normalize-space(text())='...']：查找文本内容匹配的<a>标签
    # //ancestor::div[@data-type='token']：从匹配的<a>标签向上追溯，找到最近的
    #                                     data-type='token'的div祖先元素
    xpath_expression = f"//a[normalize-space(text())='{description_text}']//ancestor::div[@data-type='token']"
    try:
        pat_div = driver.find_element(By.XPATH, xpath_expression)
        print(f"成功找到PAT描述为 '{description_text}' 的父级div。")
        return pat_div
    except Exception as e:
        print(f"未找到PAT描述为 '{description_text}' 的父级div: {e}")
        return None

# 示例：查找描述为“Set GitHub commit build status values.”的PAT的父div
# target_description = "Set GitHub commit build status values."
# pat_parent_element = find_parent_pat_div(driver, target_description)

def click_delete_button_for_pat(pat_parent_element: WebElement):
    """
    在给定的PAT父元素内部查找并点击“Delete”按钮。
    """
    if pat_parent_element:
        try:
            # 在pat_parent_element内部查找Delete按钮
            # .//summary 意味着从当前元素（pat_parent_element）的任何后代中查找summary标签
            delete_button = pat_parent_element.find_element(By.XPATH, ".//summary[normalize-space(text())='Delete']")
            delete_button.click()
            print("成功点击PAT的'Delete'按钮。")
            time.sleep(1) # 等待弹窗出现

            # 如果需要点击弹窗内的确认按钮（例如“I understand, delete this token”）
            # 同样可以在pat_parent_element内部查找，或者在driver全局查找弹窗
            # 假设弹窗是pat_parent_element的后代，且确认按钮在其中
            confirm_delete_button = pat_parent_element.find_element(By.XPATH, ".//button[normalize-space(text())='I understand, delete this token']")
            confirm_delete_button.click()
            print("成功点击确认删除按钮。")

        except Exception as e:
            print(f"点击'Delete'按钮或确认删除失败: {e}")
    else:
        print("父元素未找到，无法点击删除按钮。")

# 完整示例流程
# from selenium import webdriver
# from selenium.webdriver.common.by import By
# import time

# driver = webdriver.Chrome()
# driver.get("https://github.com/settings/tokens") # 替换为实际的PAT设置页面URL
# time.sleep(3) # 等待页面加载

# target_description = "Set GitHub commit build status values."
# pat_parent_element = find_parent_pat_div(driver, target_description)

# if pat_parent_element:
#     click_delete_button_for_pat(pat_parent_element)
# else:
#     print(f"无法找到描述为 '{target_description}' 的PAT。")

# time.sleep(5)
# driver.quit()