Anaconda 软件在 Windows 上找不到使用 pip 安装的软件包

Question

On Windows, open up Anaconda Prompt and type in the following:

pip install json2xml

No complaints from pip for doing this (replace json2xml with your favorite package, I guess). Then, open up Jupyter QTConsole, and try:

import json2xml

The result is an ImportError: No module named 'json2xml' . The package installed (after checking pip list ), but nothing recognizes it. There is no system pip (this is Windows, after all); only Anaconda's pip is being used.

What's going on?

Answer 1

I hope this will help, it worked for me.
When you use pip to install a package, by default it will go to your python site-packages. ie

C:\\Users\\YOUR-USER-NAME\\AppData\\Local\\Programs\\Python\\Python37-32\\Lib\\site-packages

From here, you can copy the downloaded packages, then navigate and paste them into your Anaconda site-packages directory. ie

C:\\Anaconda\\Lib\\site-packages

That should solve the issue.

Answer 2

From How do I find the location of my Python site-packages directory? , you can enter

python -m site

to print your python package location(s). In my case, I have Anaconda for Windows and do not have a directory C:\\Users\\YOUR-USER-NAME\\AppData\\Local\\Programs\\Python\\Python37-32\\Lib\\site-packages but did find my package installed with pip was in C:\\Users\\YOUR-USER-NAME\\AppData\\Local\\Continuum\\anaconda3\\Lib\\site-packages\\ . This may be due to adding Anaconda to PATH.