Noureddine RAMDI / Automating Matplotlib cheat sheets with programmatic figures and LaTeX

Created Tue, 05 May 2026 16:46:42 +0000 Modified Sat, 23 May 2026 20:41:27 +0000

matplotlib/cheatsheets

Matplotlib is a core Python library for data visualization, but its official cheat sheets stand apart — they’re not static PDFs made by hand. Instead, the matplotlib/cheatsheets repository automates the entire process of figure generation and document compilation using a pipeline that combines Python scripts and LaTeX with xelatex. This approach ensures that every plot example is generated fresh and consistent, while the typography and styling remain uniform across the final PDFs.

how matplotlib/cheatsheets builds official cheat sheets

At its core, this repository is a documentation artifact rather than a typical software library. The source materials for the cheat sheets and handouts are maintained as LaTeX files, which define the layout, text, and structure of the documents. But the embedded figures you see in the final PDFs aren’t manually inserted images. Instead, they are generated programmatically by a set of Python scripts located in the scripts/ directory.

These Python scripts use Matplotlib’s plotting capabilities to produce all the example plots, charts, and graphical illustrations that accompany the documentation. Because the figures are generated from code, it’s easy to keep them up to date if examples change or new visualizations need to be added. This also means the repo serves as a reference for what the plots actually look like when rendered by Matplotlib itself.

Once the figure generation step completes, the build pipeline compiles the LaTeX source into final PDF documents. The compilation uses xelatex, a LaTeX engine with native support for modern font handling and Unicode, which is crucial for producing professional-looking technical documentation.

The repository requires specific font families — Roboto, Source Code Pro, Source Serif Pro, and Pacifico — to be available as part of the build process. These fonts are essential for consistent styling and readability and are managed within the repo (built via a make command in the fonts directory, although the exact build instructions were not provided in the analysis).

The LaTeX compilation step runs twice, a standard practice to resolve cross-references like tables of contents and figure numbers correctly. The final output is a polished PDF cheat sheet complete with up-to-date, high-quality figures and consistent typography.

why this documentation pipeline stands out

The key strength here is automation combined with precision. Instead of manually creating and embedding images, the repo fully automates plot generation. This eliminates drift between the documentation and actual Matplotlib behavior — a common issue in many handwritten guides.

The use of LaTeX and xelatex for PDF generation reflects a deliberate choice for high-quality typesetting, especially for technical and mathematical documents. The inclusion of curated font families enhances the readability and professional look of the cheat sheets.

This pipeline is opinionated and focused: it’s not aiming to be a general documentation generator but rather a reproducible way to produce consistent cheat sheets with programmatic visuals. The tradeoff is that setting up the environment to build the PDFs can be nontrivial, especially due to font dependencies and the need for a LaTeX engine like xelatex.

Another subtle benefit is that the repo acts as a template for producing technical documentation that blends code-generated figures with LaTeX source. This pattern can be adapted for other projects needing reproducible, styled documentation with dynamic visuals.

The codebase itself is surprisingly clean for a documentation repo — the Python scripts are focused on figure creation, separated from the LaTeX source. This separation of concerns improves maintainability. However, this repo is not designed to be installed or run as a library; it’s a documentation generation pipeline.

explore the project

Since the analysis did not provide installation or quickstart commands, here’s how you can approach this repo:

  • The main LaTeX source file, cheatsheets.tex, is the entry point for the documentation content.
  • The scripts/ directory contains Python scripts responsible for generating all Matplotlib figures. Running these scripts regenerates all plot images used by the LaTeX documents.
  • A fonts/ directory exists to manage the required font families, though the exact build or installation process for these fonts is not detailed in the analysis.
  • The build process involves running the Python scripts to produce figures, then compiling the LaTeX source using xelatex twice to produce the final PDFs.

This structure makes it clear that the repo is designed for reproducible builds rather than quick installation or runtime usage.

verdict

This repository is a practical example of automating technical documentation with programmatic figure generation and LaTeX compilation. It’s especially relevant for teams or individuals who need to maintain up-to-date, visually consistent cheat sheets or handouts tied closely to code examples.

The main limitation is that it’s not a typical Python package or library you can import and use at runtime — it’s a pipeline for building documentation PDFs. Also, the dependencies on specific fonts and a LaTeX environment add complexity to the build setup.

For documentation maintainers who want tight integration between code examples and figures, and are comfortable with LaTeX and Python scripting, this repo offers a solid pattern to follow. It’s worth understanding even if you don’t adopt it wholesale, as it demonstrates a reproducible approach to technical documentation at scale with modern tooling.


→ GitHub Repo: matplotlib/cheatsheets ⭐ 7,698 · Python