'geckodriver'可执行文件必须在PATH中

问题描述

Mac OS用户在此处.我正在尝试在python IDLE中运行命令:

Mac OS user here. I'm trying to run a command in my python IDLE:

from selenium import webdriver
browser = webdriver.Firefox()

，我收到以下错误消息:

and I get the following error message:

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/selenium/webdriver/common/service.py", line 76, in start
    stdin=PIPE)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 709, in __init__
    restore_signals, start_new_session)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/subprocess.py", line 1344, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'geckodriver': 'geckodriver'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<pyshell#4>", line 1, in <module>
    browser = webdriver.Firefox()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/selenium/webdriver/firefox/webdriver.py", line 160, in __init__
    self.service.start()
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/selenium/webdriver/common/service.py", line 83, in start
    os.path.basename(self.path), self.start_error_message)
selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH.

我已经运行过brew install geckodriver，并且which geckodriver返回/usr/local/bin/geckodriver，所以我确定它已正确安装.看来它仍然无法正常运行?

I've ran brew install geckodriver, and which geckodriver returns /usr/local/bin/geckodriver so I'm sure it's installed correctly. It seems like it's still not running properly however?

推荐答案

您的错误消息非常清楚:

Your error message is quite clear:

FileNotFoundError: [Errno 2] No such file or directory: 'geckodriver': 'geckodriver'

您必须将路径设置为壁虎驱动程序.有不同的方法可以做到这一点.

You have to set the path to the geckodriver. There are different ways to do that.

您可以在代码中设置壁虎驱动程序的路径:

You could set the path to the geckodriver in the code:

from selenium import webdriver
browser = webdriver.Firefox(executable_path=r'/.../path2Your/geckodriver')

或在 PATH 环境变量中插入壁虎驱动程序的路径:

or insert the path to the geckodriver in the PATH environment variable:

export PATH=$PATH:/.../path2Your/geckodriver

我从未尝试过在Mac OS的/usr/local/bin/中移动可执行文件.我在ubuntu操作系统中尝试过，它可以工作.我认为应该没问题.

I never tried to move the executable in the /usr/local/bin/ in a mac os. I tried in an ubuntu os and it works. I think should be fine.

可能是因为该文件不可执行.如果不是，请转到/usr/local/bin/并将其设置为可执行文件:

Probably it's because the file is not executable. If it isn't, go to /usr/local/bin/ and make it executable:

chmod +x geckodriver

这篇关于'geckodriver'可执行文件必须在PATH中的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！