我有一个python类来处理一些基本的selenium内容。其中一个方法是包装器,用于检查页面上是否存在某些元素:
from selenium.common.exceptions import TimeoutException, NoSuchElementException
...
def check_element(self, by, element):
try:
self.driver.find_element(by, element)
return True
except TimeoutException, NoSuchElementException:
return False
我把这种方法叫做:
^{pr2}$但是在运行代码时,我遇到了一个意外错误:
...
File "/Users/adietz/Projects/Jenkins/selenium-tests/selenium_tests/tools/basicsuite.py", line 277, in check_element
self.driver.find_element(by, element)
File "/Users/adietz/Projects/Jenkins/venv_selenium/lib/python2.7/site-packages/selenium/webdriver/remote/webdriver.py", line 858, in find_element
'value': value})['value']
File "/Users/adietz/Projects/Jenkins/venv_selenium/lib/python2.7/site-packages/selenium/webdriver/remote/webdriver.py", line 311, in execute
self.error_handler.check_response(response)
File "/Users/adietz/Projects/Jenkins/venv_selenium/lib/python2.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 237, in check_response
raise exception_class(message, screen, stacktrace)
NoSuchElementException: Message: Unable to locate element: //*[@id="kernel_indicator_icon" and @title="Kernel Idle"]
为什么上面的try-except
块没有捕捉到这个异常?在
从documentation开始
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