GCP AI Notebook %pip 安装在 PATH 之外 + 无法更改路径

Question

我正在尝试使用 GCP's AI Notebooks。但是，当您 %pip install 一个包时，它会安装在系统路径之外，您无法从 shell 调用它。试图更改默认路径，但我做错了什么。将不胜感激。

这是一个例子：

[1] %pip install kaggle --user
 ... Installing collected packages: kaggle
  WARNING: The script kaggle is installed in '/home/jupyter/.local/bin' which is not on PATH.
  Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Successfully installed kaggle-1.5.6
Note: you may need to restart the kernel to use updated packages.
#restarted the kernel
[2] import kaggle
 #works
[3] !pip show kaggle
Name: kaggle
Version: 1.5.6
...
Location: /home/jupyter/.local/lib/python3.5/site-packages
...
[4] !kaggle -v #doesn't work
/bin/sh: 1: kaggle: not found

[5] !echo $PATH
 /usr/local/cuda/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
[6] !export PATH=$PATH:/home/jupyter/.local/lib/python3.5/site-packages 
#no output
[7] !echo $PATH
/usr/local/cuda/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
# path is unchanged

当我在 shell 中尝试相同的 !export 行时，路径发生变化并且 shell 找到了我的可执行文件。我在笔记本上试了一下，没有。

Answer 1

Pip 在这里告诉您具体操作：

WARNING: The script kaggle is installed in '/home/jupyter/.local/bin' which is not on PATH. Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.

您可以使用以下内容从 Jupyter 中附加到环境变量：

os.environ['PATH'] += os.pathsep + '/home/jupyter/.local/bin'

之后 !kaggle -v 应该会按预期工作。

Answer 2

另一种选择是在jupyter notebook启动脚本中添加at路径，这样就不用每次启动notebook时都添加这些行了：

打开一个终端，然后执行

cd ~/.ipython/profile_default/startup/
nano startup.py

在此文件中，添加

import os 
os.environ['PATH'] += os.pathsep + '/home/jupyter/.local/bin'

退出并保存 (ctrl+x) 瞧！

GCP AI Notebook %pip 安装在 PATH 之外 + 无法更改路径

GCP AI Notebook %pip install outside of PATH + can't change path

python

google-cloud-platform

path

pip

gcp-ai-platform-notebook