Jupyter QtConsole: Customize default CSS by selecting from built-in options in the configuration settings

I am currently using Jupyter on a Windows platform and I am looking to customize the coloring of the QT console.

Is there a way to set a default CSS style through a configuration file without having to manually specify it every time?

Instead of passing the styling as an argument like

jupyter qtconsole --style monokai
, I would prefer to define it in a configuration file, for example, something like
%USERPROFILE%\.jupyter\jupyter_qtconsole_config.py
. My goal is to simply write 'monokai' in the configuration file and have the QT console load the built-in 'monokai' style.

Here's what I've attempted so far:

  1. To test it out, I ran

    jupyter qtconsole --style monokai
    . This successfully applied the monokai style (white text on dark gray background) and paired well with my selected font size of 12 in file1.

  2. Next, I tried to use my own CSS file. I saved a 'monokai.css' file in C:\Users\user1 (I have multiple css files on my system, but any should work for basic customization). In file1, I added one of these lines

    c.JupyterQtConsoleApp.stylesheet = u'C:/Users/user1/monokai.css'
    c.JupyterQtConsoleApp.stylesheet = 'C:/Users/user1/monokai.css'
    c.JupyterQtConsoleApp.stylesheet = 'C:\\Users\\user1\\monokai.css'
    

    Unfortunately, none of them worked as intended.

If I can get this working, I still need to figure out how to replace specifying a file location with just the name of a built-in CSS style.

PS: I am aware that I could create a Windows shortcut that launches

jupyter qtconsole --style monokai
, but I want to avoid that approach as well.

Answer №1

This proposed solution seems viable, but there may be alternative methods that could work better depending on different systems. Please be aware that there are still unresolved issues with this configuration, which can be found at this link.

To implement, add the following line:

c.JupyterWidget.syntax_style = 'monokai'

to either your

%USERPROFILE%\.jupyter\jupyter_qtconsole_config.py
file or the
~\.jupyter\jupyter_qtconsole_config.py
file.

This solution was influenced by this source.

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