我如何理解在运行这个Python程序时遇到了什么错误？

Question

我正在尝试运行instapy0.6.2的最新版本。但我一直收到以下错误：

python quickstart.py 
InstaPy Version: 0.6.2
 ._.  ._.  ._.  ._.  ._.  ._.  ._.  ._.  ._. 
Workspace in use: "/Users/amenra/InstaPy"
Traceback (most recent call last):
  File "quickstart.py", line 24, in <module>
    headless_browser=False)
  File "/Users/amenra/.pyenv/versions/3.7.4/lib/python3.7/site-packages/instapy/instapy.py", line 321, in __init__
    self.logger,
  File "/Users/amenra/.pyenv/versions/3.7.4/lib/python3.7/site-packages/instapy/browser.py", line 114, in set_selenium_local_session
    options=firefox_options,
  File "/Users/amenra/.pyenv/versions/3.7.4/lib/python3.7/site-packages/selenium/webdriver/firefox/webdriver.py", line 174, in __init__
    keep_alive=True)
  File "/Users/amenra/.pyenv/versions/3.7.4/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 157, in __init__
    self.start_session(capabilities, browser_profile)
  File "/Users/amenra/.pyenv/versions/3.7.4/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 252, in start_session
    response = self.execute(Command.NEW_SESSION, parameters)
  File "/Users/amenra/.pyenv/versions/3.7.4/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
    self.error_handler.check_response(response)
  File "/Users/amenra/.pyenv/versions/3.7.4/lib/python3.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.SessionNotCreatedException: Message: Unable to find a matching set of capabilities

我在MacOSX上运行，我的Python版本是3.7.4。在

这是我的quickstart.py

^{pr2}$

Answer 1

我找到的解决方案是我需要在我的Mac上安装Firefox。在

Answer 2

1. 您的计算机上似乎没有安装Firefox。请从here安装Firefox。

2. 你可能错过了壁虎河。您需要从here安装一个，并将其放在您的系统路径中（在Windows中，通常是C:/Windows/System32；您可以从here设置MacOS中的path。