我的Selenium Python代码无法在网页中找到链接

Question

我的selenium python代码无法在网页中找到链接。

我有两个与以下代码有关的问题-

1. 如果我在self.base_url没有提到login:password ，我什至无法登录该网页（请参阅admin：admin）。

   要注意的是，该网页弹出了用户名和密码弹出窗口。 我只能如上所述登录。

   有没有一种方法可以在self.base_url不用提及用户ID和密码？

2. 在设法登录到网页后，我无法单击该网页上的任何链接。 请查看我得到C:\\Python27>python.exe test2.py

ERROR: test_2 (__main__.Test2)

Traceback (most recent call last):
  File "test2.py", line 22, in test_2
driver.find_element_by_link_text("Devices").click()
  File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 282, in find_element_by_link_text
return self.find_element(by=By.LINK_TEXT, value=link_text)
  File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 712, in find_element
{'using': by, 'value': value})['value']
  File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 201, in execute
self.error_handler.check_response(response)
  File "C:\Python27\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 194, in check_response
raise exception_class(message, screen, stacktrace)
NoSuchElementException: Message: Unable to locate element: {"method":"link text","selector":"Devices"}
Stacktrace:
at FirefoxDriver.prototype.findElementInternal_ (file:///c:/users/saurabht/appdata/local/temp/tmpmvm1dg/extensions/fxdriver@googlecode.com/components/driver-component.js:10723)
at fxdriver.Timer.prototype.setTimeout/<.notify (file:///c:/users/saurabht/appdata/local/temp/tmpmvm1dg/extensions/fxdriver@googlecode.com/components/driver-component.js:623)

----------------------------------------------------------------------
Ran 1 test in 47.509s

FAILED (errors=1)

-----------------------------

硒脚本；

# -*- coding: utf-8 -*-
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import Select
from selenium.common.exceptions import NoSuchElementException
from selenium.common.exceptions import NoAlertPresentException
import unittest, time, re

class Test2(unittest.TestCase):
    def setUp(self):
        self.driver = webdriver.Firefox()
        self.driver.implicitly_wait(30)
        self.base_url = "http://admin:admin@172.22.1.124/acs/"
        self.verificationErrors = []
        self.accept_next_alert = True

    def test_2(self):
        driver = self.driver
        driver.get(self.base_url + "/")
        time.sleep(15)
        driver.find_element_by_link_text("Devices").click()
        time.sleep(5)
        driver.find_element_by_link_text("364114").click()


    def is_element_present(self, how, what):
        try: self.driver.find_element(by=how, value=what)
        except NoSuchElementException as e: return False
        return True

    def is_alert_present(self):
        try: self.driver.switch_to_alert()
        except NoAlertPresentException as e: return False
        return True

    def close_alert_and_get_its_text(self):
        try:
            alert = self.driver.switch_to_alert()
            alert_text = alert.text
            if self.accept_next_alert:
                alert.accept()
            else:
                alert.dismiss()
            return alert_text
        finally: self.accept_next_alert = True

    def tearDown(self):
        self.driver.quit()
        self.assertEqual([], self.verificationErrors)

if __name__ == "__main__":
    unittest.main(exit=False)

Answer 1

如果您说该网页引发弹出窗口 ，并且该弹出窗口是基于Web的，那么您很可能需要在窗口之间切换。 焦点很可能不在主要网页上，这就是您无法在其中找到任何元素的原因。 请在这里查看如何在Windows之间切换。 希望这可以帮助。