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Contributing

The Scientific Python Lectures are a community-based effort and require constant maintenance and improvements. New contributions such as wording improvements or inclusion of new topics are welcome.

To propose bugfixes or straightforward improvements to the lectures, see the contribution guide below.

For new topics, read the objectives first and open an issue on the GitHub project to discuss it with the editors.

Objectives and design choices for the lectures

Contributors should keep the following objectives and design choices of the Scientific Python Lectures in mind.

Objectives:

  • Provide a self-contained introduction to Python and its primary computational packages, the ”Scientific Python stack“.
  • Provide tutorials for a selection of widely-used and stable computational libraries. Currently, we cover pandas, statmodels, seaborn, scikit-image, scikit-learn, and sympy.
  • Automated testing is applied to the code examples as much as possible.

Design choices:

  • Each chapter should provide a useful basis for a 1‒2 h tutorial.
  • The code should be readable.
  • An idiomatic style should be followed, e.g. import numpy as np, preference for array operations, PEP8 coding conventions.

Contributing guide

The directory guide contains instructions on how to contribute:

Example chapter

.. toctree::

 guide/index.rst

Building instructions

To generate the html output for on-screen display, Type:

make html

the generated html files can be found in build/html

The first build takes a long time, but information is cached and subsequent builds will be faster.

To generate the pdf file for printing:

make pdf

The pdf builder is a bit difficult and you might have some TeX errors. Tweaking the layout in the *.rst files is usually enough to work around these problems.

Requirements

Build requirements are listed in the :download:`requirements file <requirements.txt>`:

.. literalinclude:: requirements.txt

Ensure that you have a virtual environment or conda environment set up, then install requirements with:

pip install -r requirements.txt

Note that you will also need the following system packages:

  • Python C development headers (the python3-dev package on Debian, e.g.),
  • a C compiler like gcc,
  • GNU Make,
  • a full LaTeX distribution such as TeX Live (texlive-latex-base, texlive-latex-extra, texlive-fonts-extra, and latexmk on Debian/Ubuntu),
  • dvipng,
  • latexmk,
  • git.

Updating the cover

Use inkscape to modify the cover in images/, then export to PDF:

inkscape --export-filename=cover-2024.pdf cover-2024.svg

Ensure that the images/cover.pdf symlink points to the correct file.