Question

我正在开发Web应用程序，并试图使用seleium运行基本的测试脚本，只是为了确保我的代码正常工作

from selenium import webdriver
import time
import os

options = webdriver.ChromeOptions()
options.add_argument('--ignore-certificate-errors')
options.add_argument("--test-type")
options.binary_location = os.getcwd()
driver = webdriver.Chrome(chrome_options=options, executable_path=r'./chromedriver')
driver.get('http://codepad.org')

我在当前目录中有chromedriver，我认为我使用的是chromedriver的正确版本（75.0.3770.90）。我得到的完整错误是：

Traceback (most recent call last):
  File "test.py", line 9, in <module>
    driver = webdriver.Chrome(options=options, executable_path=r'./chromedriver')
  File "/Users/kylerood/Documents/summer19/makeFriends/env/lib/python3.7/site-packages/selenium/webdriver/chrome/webdriver.py", line 81, in __init__
    desired_capabilities=desired_capabilities)
  File "/Users/kylerood/Documents/summer19/makeFriends/env/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 157, in __init__
    self.start_session(capabilities, browser_profile)
  File "/Users/kylerood/Documents/summer19/makeFriends/env/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 252, in start_session
    response = self.execute(Command.NEW_SESSION, parameters)
  File "/Users/kylerood/Documents/summer19/makeFriends/env/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
    self.error_handler.check_response(response)
  File "/Users/kylerood/Documents/summer19/makeFriends/env/lib/python3.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: unknown error: Failed to create a Chrome process.

如果有人对修复程序有任何了解，我可以尝试一下，将不胜感激！

Answer 1

值binary_location必须是一个.exe文件，该文件指定要运行的chrome.exe。

所以这段代码对我有用：

chrome_options = Options()
chrome_options.binary_location = '****\\chrome.exe'
driver = webdriver.Chrome(executable_path=os.path.abspath("chromedriver\\chromedriver.exe"),   options=chrome_options)

希望它对您有帮助

Answer 2

删除/注释以下行。

options.binary_location = os.getcwd()

由于二进制文件不在当前工作目录中，因此您会收到此错误消息。

binary_location是您的chrome.exe所在的位置。

并确保将chromedriver安装在该测试所在的文件夹中。否则，您的脚本将失败，并显示以下错误消息。

selenium.common.exceptions.WebDriverException: Message: 'chromedriver` executable needs to be in PATH. Please see https://sites.google.com/a/chromium.org/chromedriver/home

selenium.common.exceptions.WebDriverException：消息：未知错误：无法创建Chrome进程

2 个答案: