python3导入找不到模块
[英]python3 import not finding module
问题描述
I'm trying to test out an example from a book and I'm getting an ImportError . 
我正在尝试从书中测试一个示例，并且遇到了ImportError 。
The example starts out like: 该示例开始如下：
from tkinter import *
from PP4E.Gui.Tools.widgets import frame, button, entry
And if I put an import sys; print(sys.path) 如果我import sys; print(sys.path)一个import sys; print(sys.path) import sys; print(sys.path) at the beginning of the code, the output is 在代码开头import sys; print(sys.path) ，输出为
['/Users/aaa/Documents/workspace/programming-python/PP4E/Lang/Calculator',
'/usr/local/lib/python3.4/site-packages/setuptools-12.2-py3.4.egg',
'/usr/local/lib/python3.4/site-packages/pip-6.0.8-py3.4.egg',
'/User/aaa/Documents/workspace/programming-python',... ]
This is what a truncated version of my programming-python directory looks like: 这是我的programming-python目录的截断版本：
❯ tree
.
├── PP4E
│ ├── __init__.py
│ ├── Gui
│ │ ├── Tools
│ │ │ ├── __init__.py
│ │ │ └── widgets.py
│ │ └── __init__.py
│ ├── Lang
│ │ └── Calculator
│ │ ├── __init__.py
│ │ └── calc0.py
└── site-packages
└── PP4E.pth
The error message I'm getting is: 我收到的错误消息是：
❯ python3 calc0.py
Traceback (most recent call last):
File "calc0.py", line 2, in <module>
from PP4E.Gui.Tools.widgets import frame, button, entry
ImportError: No module named 'PP4E'
Does anybody know what I have to do to get Python to find the PP4E module? 有人知道我需要做什么才能让Python查找PP4E模块吗？ Thanks. 谢谢。
1 个解决方案
解决方案1
4 2015-05-12 22:55:55
I had my PYTHONPATH wrong -- the root directory is /Users , not /User . 我的PYTHONPATH错误–根目录是/Users而不是/User 。 Thanks. 谢谢。
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