我正在尝试使用Python 3.7 + Selenium + Geckodriver + Firefox v65.0进行剪贴。新窗口打开,但是Firefox没有向Python发送有关会话的正确响应,并在30秒后崩溃并显示错误:
WebDriverException: Message: newSession
[如果我将Firefox降级到60.0.2版-则所有版本的Geckodriver v0.22、0.23和0.24均可正常使用。
Firefox版本63.0、65.0和66beta无法使用,即使我尝试使用从0.22到0.24的其他geckodrivers。
系统:Windowns 7 x64 + Firefox 65.0 64bit,最新的硒,geckodriver v0.24.0。
我的代码:
from selenium import webdriver
from selenium.common.exceptions import NoSuchElementException
with webdriver.Firefox() as driver:
driver.get("http://google.com")
错误描述:
WebDriverException Traceback (most recent call last)
<ipython-input-10-5240f957d3b7> in <module>
----> 1 with webdriver.Firefox() as driver:
2 driver.get("http://google.com")
C:\ProgramData\Anaconda3\lib\site-packages\selenium\webdriver\firefox\webdriver.py in __init__(self, firefox_profile, firefox_binary, timeout, capabilities, proxy, executable_path, options, service_log_path, firefox_options, service_args, desired_capabilities, log_path, keep_alive)
172 command_executor=executor,
173 desired_capabilities=capabilities,
--> 174 keep_alive=True)
175
176 # Selenium remote
C:\ProgramData\Anaconda3\lib\site-packages\selenium\webdriver\remote\webdriver.py in __init__(self, command_executor, desired_capabilities, browser_profile, proxy, keep_alive, file_detector, options)
155 warnings.warn("Please use FirefoxOptions to set browser profile",
156 DeprecationWarning, stacklevel=2)
--> 157 self.start_session(capabilities, browser_profile)
158 self._switch_to = SwitchTo(self)
159 self._mobile = Mobile(self)
C:\ProgramData\Anaconda3\lib\site-packages\selenium\webdriver\remote\webdriver.py in start_session(self, capabilities, browser_profile)
250 parameters = {"capabilities": w3c_caps,
251 "desiredCapabilities": capabilities}
--> 252 response = self.execute(Command.NEW_SESSION, parameters)
253 if 'sessionId' not in response:
254 response = response['value']
C:\ProgramData\Anaconda3\lib\site-packages\selenium\webdriver\remote\webdriver.py in execute(self, driver_command, params)
319 response = self.command_executor.execute(driver_command, params)
320 if response:
--> 321 self.error_handler.check_response(response)
322 response['value'] = self._unwrap_value(
323 response.get('value', None))
C:\ProgramData\Anaconda3\lib\site-packages\selenium\webdriver\remote\errorhandler.py in check_response(self, response)
240 alert_text = value['alert'].get('text')
241 raise exception_class(message, screen, stacktrace, alert_text)
--> 242 raise exception_class(message, screen, stacktrace)
243
244 def _value_or_default(self, obj, key, default):
WebDriverException: Message: newSession
Queston:如何使Firefox 65与Selenium兼容?也许在较新版本的Firefox(61.0+)中,我应该在连接期间指定一些选项吗?
[不确定哪里出了问题,但似乎有多个二进制版本的混淆。但是我正在使用以下配置:
Python:3.6.1
C:\Users\user_name>python
Python 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 17:54:52) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
硒:3.141.0
C:\Users\user_name>pip show -V selenium
Name: selenium
Version: 3.141.0
Summary: Python bindings for Selenium
Home-page: https://github.com/SeleniumHQ/selenium/
Author: UNKNOWN
Author-email: UNKNOWN
License: Apache 2.0
Location: c:\python\lib\site-packages
Requires: urllib3
Required-by:
GeckoDriver:0.24.0
C:\Utility\BrowserDrivers>geckodriver.exe -V
geckodriver 0.24.0 ( 2019-01-28)
The source code of this program is available from
testing/geckodriver in https://hg.mozilla.org/mozilla-central.
This program is subject to the terms of the Mozilla Public License 2.0.
You can obtain a copy of the license at https://mozilla.org/MPL/2.0/.
Firefox:Mozilla Firefox 65.0
C:\Program Files\Mozilla Firefox>firefox -v |more
Mozilla Firefox 65.0
我已经采用了自己的代码,并按如下所示添加argument executable_path
来执行它:
代码块:
from selenium import webdriver
with webdriver.Firefox(executable_path=r'C:\Utility\BrowserDrivers\geckodriver.exe') as driver:
driver.get("http://google.com")
print("Page Title is : %s" %driver.title)
driver.quit()
控制台输出:
Page Title is : Google