Jlab extension for showing course levels and structure
Project description
jupyterlab_hidecell
JupyterLab extension to
- tag cells so that they have their input, or output, or both, hidden or removed
- can replace former 'hide-input' extension in the classic notebook
Compliance with Jupyter book
as far as possible we try to make this extension compatible with the tags used by jupyter-book as described here: https://jupyterbook.org/en/stable/interactive/hiding.html#hide-code-cell-content
Requirements
- JupyterLab >= 4.0.0
Usage
to convert your notebooks
that were using the former hide-input
extension, you can use
hideinput-to-hidecell notebook1 .. notebookN
that will replace the old hide_input: true
with the new hide-input
tag in all
notebooks passed as arguments
palette commands and keyboard shortcuts
all commands behave as togglers, so that you can use the same shortcut to hide
and show content; search for hidecell
in the palette to display:
shortcut | command | description |
---|---|---|
Accel-0 H I |
hidecell:toggle-hide-input |
input area is hidden, a visual handle allows to toggle it back on |
Accel-0 H O |
hidecell:toggle-hide-output |
same for output |
Accel-0 H C |
hidecell:toggle-hide-cell |
same for whole cell |
Accel-0 R I |
hidecell:toggle-remove-input |
input area is no longer visible at all |
Accel-0 R O |
hidecell:toggle-remove-output |
same for output |
Accel-0 R C |
hidecell:toggle-remove-cell |
same for whole cell (vanishes) |
Accel-0 N |
hidecell:debug-on |
outline the cells subject to any of our tags |
Accel-0 F |
hidecell:debug-off |
quit debug mode |
other controls
since this exclusively relies on the presence of the above tags, you can also use jupyterlab's so called "Property Inspector" feature; however in this case you're in charge of avoiding duplicate tags...
limitations
rendering is exclusively done in CSS; converting to a non-HTML format will ruin this layout
Install
To install the extension, execute:
pip install jupyterlab-hidecell
Uninstall
To remove the extension, execute:
pip uninstall jupyterlab-hidecell
Development install
WARNING from this point on, this is the boilerplate text that comes with the extension cookie-cutter template; it is not guaranteed to be accurate
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 jupyterlab_hidecell directory
# Install package in development mode
pip install -e "."
# Link your development version of the extension with JupyterLab
jupyter labextension develop . --overwrite
# Rebuild extension Typescript source after making changes
jlpm 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 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).
By default, the jlpm build
command generates the source maps for this
extension to make it easier to debug using the browser dev tools. To also
generate source maps for the JupyterLab core extensions, you can run the
following command:
jupyter lab build --minimize=False
Development uninstall
pip uninstall jupyterlab-hidecell
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 jupyterlab-hidecell
within
that folder.
Packaging the extension
See RELEASE
Project details
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