Fish Kernel for Jupyter

fish-kernel is a Jupyter kernel implementation for the fish shell.

Requirements

• Python >=3.10
• fish command available on PATH
• Jupyter frontend (jupyterlab or notebook)
• Supported OS: Linux, macOS, and Windows (WSL)
• Native Windows is not supported (fish shell dependency)

Install

pip install fish-kernel

Or from conda-forge with conda, mamba, or pixi:

conda install -c conda-forge fish-kernel
mamba install -c conda-forge fish-kernel
pixi add fish-kernel

Then register the kernelspec:

fish-kernel add --user

Verify it is registered:

jupyter kernelspec list

To unregister it later, run fish-kernel remove.

Usage example

set a 7
set b 13
math $a + $b

Documentation

Full documentation, including all install options, usage, development, and troubleshooting, is available at https://eunos-1128.github.io/fish-kernel/.

Acknowledgements

This project was developed with inspiration from:

• bash_kernel
• zsh-jupyter-kernel