WebDriverException：'geckodriver' 可执行文件需要在 PATH 中，即使它是

Question

尝试在 spyder 中使用 selenium 让 firefox 运行。我当前的代码是

from selenium import webdriver
import os
os.environ["PATH"] += ":/usr/local/bin/geckodriver"
browser = webdriver.Firefox()

我仍然收到此错误：

runfile('/Users/mherl/Dropbox/AnacondaProjects/MWS/MWSSpyder/test.py', 
wdir='/Users/mherl/Dropbox/AnacondaProjects/MWS/MWSSpyder')
Traceback (most recent call last):

  File "<ipython-input-1-3f3f96ccf515>", line 1, in <module>

runfile('/Users/mherl/Dropbox/AnacondaProjects/MWS/MWSSpyder/test.py', 
wdir='/Users/mherl/Dropbox/AnacondaProjects/MWS/MWSSpyder')

  File "/Applications/anaconda3/lib/python3.6/site- 
  packages/spyder/utils/site/sitecustomize.py", line 705, in runfile
  execfile(filename, namespace)

  File "/Applications/anaconda3/lib/python3.6/site- 
  packages/spyder/utils/site/sitecustomize.py", line 102, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "/Users/mherl/Dropbox/AnacondaProjects/MWS/MWSSpyder/test.py", 
line 12, in <module>
  browser = webdriver.Firefox()

  File "/Applications/anaconda3/lib/python3.6/site- 
packages/selenium/webdriver/firefox/webdriver.py", line 152, in 
__init__
self.service.start()

  File "/Applications/anaconda3/lib/python3.6/site- 
packages/selenium/webdriver/common/service.py", line 83, in start
os.path.basename(self.path), self.start_error_message)

WebDriverException: 'geckodriver' executable needs to be in PATH. 

即使 gekodriver 在该文件夹中。

我也尝试将路径导出到 ~./bash_profile，现在看起来像这样。

Last login: Fri Apr 20 10:57:16 on ttys000
dhcp-54-85:~ mherl$ nano ./bash_profile
dhcp-54-85:~ mherl$ nano .bash_profile
  GNU nano 2.0.6             File: .bash_profile                      
Modified  


# Setting PATH for Python 3.6
# The original version is saved in .bash_profile.pysave
PATH="/Library/Frameworks/Python.framework/Versions/3.6/bin:${PATH}"
export PATH

# Setting PATH for Python 3.6
# The original version is saved in .bash_profile.pysave
PATH="/Library/Frameworks/Python.framework/Versions/3.6/bin:${PATH}"
export PATH

# added by Anaconda3 5.1.0 installer
export PATH="/Applications/anaconda3/bin:$PATH"

#added by mherl to show path to gekodriver
export PATH=$PATH:/usr/local/bin/gekodriver

我还在 spyder 中设置了当前路径：

/usr/local/bin
/Users/mherl/Dropbox/AnacondaProjects/MWS/MWSSpyder

其中gekodriver在

/usr/local/bin

我到处找过，大多数人说它应该在 /usr/local/bin 中自动运行，但即使我明确指出路径，它似乎仍然找不到它。

这是一个运行 High Sierra 的 mac，如果这很重要的话。

Answer 1

此错误消息...

WebDriverException: 'geckodriver' executable needs to be in PATH. 

...暗示 GeckoDriver 未在预期的默认位置找到。

解决方案

当您使用 MAC based System 时，您需要传递 Key executable_path 以及 Value 引用到GeckoDriver的绝对路径如下：

from selenium import webdriver

browser = webdriver.Firefox(executable_path='/usr/local/bin/geckodriver')

其他注意事项

确保以下几点：

• GeckoDriver 存在于指定位置。
• GeckoDriver 对非 root 用户具有可执行权限。
• 以非 root 用户身份执行 @Test。