当AppKit安装在pip3上时，为什么导入AppKit不起作用？

Question

我已经在pip3中安装了AppKit，但是从python3导入它似乎不起作用。如何导入AppKit

❯ pip3 install AppKit
Requirement already satisfied: AppKit in /usr/local/lib/python3.8/site-packages (0.2.8)
Requirement already satisfied: beautifulsoup4 in /Users/kentran/Library/Python/3.8/lib/python/site-packages (from AppKit) (4.9.1)
Requirement already satisfied: pygobject in /usr/local/lib/python3.8/site-packages (from AppKit) (3.38.0)
Requirement already satisfied: flask in /usr/local/lib/python3.8/site-packages (from AppKit) (1.1.2)
Requirement already satisfied: soupsieve>1.2 in /Users/kentran/Library/Python/3.8/lib/python/site-packages (from beautifulsoup4->AppKit) (2.0.1)
Requirement already satisfied: pycairo>=1.11.1 in /usr/local/lib/python3.8/site-packages (from pygobject->AppKit) (1.20.0)
Requirement already satisfied: Werkzeug>=0.15 in /usr/local/lib/python3.8/site-packages (from flask->AppKit) (1.0.1)
Requirement already satisfied: itsdangerous>=0.24 in /usr/local/lib/python3.8/site-packages (from flask->AppKit) (1.1.0)
Requirement already satisfied: click>=5.1 in /usr/local/lib/python3.8/site-packages (from flask->AppKit) (7.1.2)
Requirement already satisfied: Jinja2>=2.10.1 in /usr/local/lib/python3.8/site-packages (from flask->AppKit) (2.11.2)
Requirement already satisfied: MarkupSafe>=0.23 in /usr/local/lib/python3.8/site-packages (from Jinja2>=2.10.1->flask->AppKit) (1.1.1)
❯
❯ python3
Python 3.8.6 (default, Oct  8 2020, 14:06:32)
[Clang 12.0.0 (clang-1200.0.32.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import AppKit
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'AppKit'
>>>

这显示了一个ModuleNotFoundError。它是否在不同的命名空间下？

Answer 1

如果你想使用AppKit，你必须安装PyObjC：

pip3 install -U PyObjC