我的项目使用的是selenium2+python+amazon ec2(Ubuntu 11.04)。
由于亚马逊ec2中的无头原因,我使用PyVirtualDisplay,因为服务器中没有显示。
当我运行我的项目时,我得到了异常
Traceback (most recent call last):
File "spyfu_ad_crawler_server.py", line 68, in <module>
main(i[0])
File "spyfu_ad_crawler_server.py", line 34, in main
WebDriverWait(browser, 10).until(lambda driver : driver.find_element_by_xpath("/html/body/form/div[3]/div[3]/div/div/table/tbody/tr[3]/td/tab le/tbody/tr[2]/td/table/tbody"))
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/support/wait.py", line 49, in until
value = method(self._driver)
File "spyfu_ad_crawler_server.py", line 34, in <lambda>
WebDriverWait(browser, 10).until(lambda driver : driver.find_element_by_xpath("/html/body/form/div[3]/div[3]/div/div/table/tbody/tr[3]/td/table/tbody/tr[2]/td/table/tbody"))
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 210, in find_element_by_xpath
return self.find_element(by=By.XPATH, value=xpath)
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 645, in find_element
{'using': by, 'value': value})['value']
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 153, in execute
self.error_handler.check_response(response)
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/errorhandler.py", line 147, in check_response
raise exception_class(message, screen, stacktrace)
WebDriverException: Message: u'Modal dialog present'
Traceback (most recent call last):
File "spyfu_ad_crawler_server.py", line 75, in <module>
browser.get(base_url)
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 165, in get
self.execute(Command.GET, {'url': url})
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/webdriver.py", line 153, in execute
self.error_handler.check_response(response)
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/remote/errorhandler.py", line 147, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: u'Modal dialog present'
应该如何解决?
如何在python中处理selenium中的此类对话框?
请在执行driver.get()之前和之后运行以下代码:
driver.execute_script('window.onbeforeunload = function() {}')
它应该起作用。我还没有检查,但Firefox网站应该有更多关于这次活动的详细信息。
基本上,您正在重置网页中提供该模式对话框的处理程序。所以你不会看到它显示出来。这种方法基本上解决了我的问题。