python - 按 id 查找元素在 Chrome Headless 模式下不起作用

Question

• Selenium - 3.141.0
• headless Chrome =75.0.3770.142

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示例代码:

from selenium import webdriver

options = Options()
options.add_argument('--headless')
driver = webdriver.Chrome(CHROME_DRIVER_LOCATION, options=options)
driver.set_page_load_timeout(timeout)

driver.find_element_by_id("keywords").send_keys("some keywords to search")

“关键字”为 <input>类型

最后一行在 headless Chrome 中失败，否则工作正常。

错误:

driver.find_element_by_id("keywords").send_keys("some keywords to search") File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webelement.py", line 479, in send_keys 'value': keys_to_typing(value)}) File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webelement.py", line 633, in _execute return self._parent.execute(command, params) File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute self.error_handler.check_response(response) File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.ElementNotInteractableException: Message: element not interactable (Session info: headless chrome=75.0.3770.142)

Answer 1

对于 headless 浏览器，您必须设置窗口大小才能在事件发生时触发。因为 headless 浏览器无法识别 在没有窗口大小的情况下点击的位置。

 options= Options()
 options.add_argument('--headless')
 options.add_argument('window-size=1920x1080');