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Jupyter Days 2020

Marie-Hélène Burle

Julia is one of the main languages in Project Jupyter

To install the Julia kernel:

- Install Julia
- Install the Julia package IJulia

Launching Jupyter

You can launch Jupyter notebook or Jupyter lab by running in the terminal one of:

jupyter notebook

jupyter lab

Alternatively, you can launch them from within Julia with one of:

using IJulia
notebook()

using IJulia
jupyterlab()

Example Jupyter notebook with Julia

syzygy does not have the Julia kernel installed at this point, so I will show a basic example of a Jupyter notebook with Julia from my machine.

(Ah ... and um ... yes ... it is about Covid-19 ...)

From Julia notebook to script

nbconvert: convert a Jupyter notebook to a Julia `.jl` script

jupyter nbconvert --to script julia_notebook.ipynb

NBInclude: source a Jupyter notebook within a Julia `.jl` script

using NBInclude
@nbinclude("julia_notebook.ipynb")

Julia’s version of literate programming:
the Literate package

Literate is Julia’s take at literate programming

Julia scripts written with the proper syntax can be converted to any of: markdown pages (e.g. for package documentation), Julia code cleaned of all metadata, and Jupyter notebooks

Let’s have a look at their demo example

ipynb2LiterateJulia converts from Jupyter nb to Literate scripts

Let’s look at their demo example

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