Adding a side navigation bar to jupyter notebook | Installation and error handling of jupyter_contrib_nbextensions

1. Install jupyter_contrib_nbext

Win key + R, enter cmd

Enter the code in this window:

If jupyter_contrib_nbextensions has been installed before, delete it first:

pip uninstall jupyter_contrib_nbextensions

 Then install jupyter_contrib_nbextensions:

pip install jupyter_contrib_nbextensions

 2. Configure nbextension. Most people will report an error here if they follow the existing tutorials on the Internet.

Online tutorials let us enter:

jupyter contrib nbextension install --user

You will get the following error report:

My solution is:

First check the location of jupyter_contrib_nbextensions, the location is shown in the red circle:

pip show jupyter_contrib_nbextensions

Then open this directory:

Note that you need to replace the "location of jupyter_contrib_nbextensions" in my code with your own, and note that the final file name is "jupyter_contrib_nbextensions" instead of "jupyter-contrib-nbextensions"

	cd c:\users\gongjiahao\appdata\roaming\python\python39\site-packages\jupyter_contrib_nbextensions

After opening this directory, enter:

python application.py install

The configuration is completed.

3. Enable the side navigation bar function in notebook

Restart the notebook and notice that we now have an extra function bar:

Click this column with the mouse, first uncheck "disable configuration for nbextensions....", then check "table of contents", and finally re-check "disable configuration for nbextensions...."

Click this button to expand the table of contents: