A Python kernel for JupyterLite, powered by Xeus
Project description
jupyterlite-xeus-python
The xeus-python Python kernel for JupyterLite running in the browser.
Requirements
- JupyterLite >= 0.1.0b9
Install
To install the extension, execute:
pip install jupyterlite-xeus-python
Then build your JupyterLite site:
jupyter lite build
Pre-installed packages
xeus-python allows you to pre-install packages in the Python runtime. You can pre-install packages by passing the XeusPythonEnv.packages CLI option to jupyter lite build.
This will automatically install any labextension that it founds, for example installing ipyleaflet will make ipyleaflet work without the need to manually install the jupyter-leaflet labextension.
For example, say you want to install NumPy, Matplotlib and ipyleaflet, it can be done with the following command:
jupyter lite build --XeusPythonEnv.packages=numpy,matplotlib,ipyleaflet
The same can be achieved through a jupyterlite_config.json file:
{
"XeusPythonEnv": {
"packages": ["numpy", "matplotlib", "ipyleaflet"]
}
}
Contributing
Development install
Note: You will need NodeJS to build the extension package.
The jlpm command is JupyterLab's pinned version of
yarn that is installed with JupyterLab. You may use
yarn or npm in lieu of jlpm below.
# Clone the repo to your local environment
# Change directory to the jupyterlite_xeus_python directory
# Install package in development mode
python -m pip install -e .
# Link your development version of the extension with JupyterLab
jupyter labextension develop . --overwrite
# Rebuild extension Typescript source after making changes
jlpm run build
You can watch the source directory and run JupyterLab at the same time in different terminals to watch for changes in the extension's source and automatically rebuild the extension.
# Watch the source directory in one terminal, automatically rebuilding when needed
jlpm run watch
# Run JupyterLab in another terminal
jupyter lab
With the watch command running, every saved change will immediately be built locally and available in your running JupyterLab. Refresh JupyterLab to load the change in your browser (you may need to wait several seconds for the extension to be rebuilt).
Development uninstall
pip uninstall jupyterlite_xeus_python
In development mode, you will also need to remove the symlink created by jupyter labextension develop
command. To find its location, you can run jupyter labextension list to figure out where the labextensions
folder is located. Then you can remove the symlink named jupyterlite-xeus-python within that folder.
Packaging the extension
See RELEASE
Release history Release notifications | RSS feed
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Source Distribution
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