Message: stale element reference: element is not attached to the page document

背景：获取一组按钮，数量不确定，得到所有按钮A之后使用get_attribute(“innerHTML”)获取xpath并用A.find_element来获取每个按钮
代码如下:
注：get_pages是根据具体元素使用正则得到的

el_pager = driver.find_element(by=By.XPATH,value="")
s = el_pager.get_attribute("innerHTML")
page_number = get_pages(s)
for each_page in page_number:el_pager.find_element(by=By.XPATH, value="li[%s]" % each_page).click()time.sleep(5)all_batch = driver.find_element(by=By.XPATH,value="")time.sleep(5)print(all_batch.get_attribute("innerHTML"))time.sleep(5)

报错：Message: stale element reference: element is not attached to the page document
查询：网上大多都是说网页元素未刷新，导致获取失败，强制sleep，没有用
根本原因：跳转之后所引用的元素已从 DOM 结构中删除，需要重新生成一个webdriver
修改之后:

el_pager = driver.find_element(by=By.XPATH,value="")
s = el_pager.get_attribute("innerHTML")
page_number = get_pages(s)
for each_page in page_number:el_pager = driver.find_element(by=By.XPATH,value="")el_pager.find_element(by=By.XPATH, value="li[%s]" % each_page).click()time.sleep(5)all_batch = driver.find_element(by=By.XPATH,value="")time.sleep(5)print(all_batch.get_attribute("innerHTML"))time.sleep(5)

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