David Brochart

I wrote a blog post about Microverse, a new in-browser JupyterLab. david-brochart.medium.com/microverse-j...

I guess mistral-vibe switching to Ratatui is not a good sign for Textual 😕

The CLI is the API (Agent Programming Interface).

New release of jpterm which adds support for a CLI mode. Jpterm is a TUI that aims to be JupyterLab in the terminal. But AI agents like using CLI tools. You can now use jpterm to show document contents from the CLI. Next you'll be able to e.g. change a notebook cell, run it, etc.

Microverse is back! It's a FastAPI-based Jupyter server that runs entirely in the browser. Think of it as an alternative to JupyterLite where the server runs in the browser 🤯 It opens up new possibilities. Try it online (wait for it, it's slow to start): davidbrochart.github.io/microverse

A preview of deck.gl-raster support for alternative viewing projections. deck.gl v10 should be released in the next few months and will support rendering data in arbitrary projections. developmentseed.org/deck.gl-rast...

I'm basically just doing LLM distillation to improve myself these days.

Shiny dashboards can run fully in the browser - no server required - thanks to emscripten-forge! - Read the details in Isabel Paredes' blog post: emscripten-forge.org/blog/posts/r... - See it live in your browser: emscripten-forge.github.io/r-shiny-temp...

FastAPI now has built-in OpenTelemetry support, natively 📈 No extra code needed. See how your app behaves in production. Go and upgrade to "fastapi[standard]" version 0.142.2 ⬆️ Read the docs: fastapi.tiangolo.com/advanced/ope...

AnyIO might be the single most underrated Python library: only 2.5k stars on GitHub but downloaded over a billion times per month on PyPI!

Checkout the list of 100+ #jupyter #ai extensions I collated at github.com/openteams-ai...

xtralab has been my daily driver for software development for the past few months. It’s JupyterLab with opinionated defaults and pre-installed extensions for working with coding agents. I use it with Claude Code, Codex, and Pi most of the time. jtpio.github.io/xtralab

Some great work here by the QuantStack team! Improving the Fortran on Wasm ecosystem and better NumPy performance in the browser notebook.link/blog/the-las...

AnyIO v4.15.0 is out 🚀 A ton of new features in this release: - amap, gather, and as_completed functions to help manage task concurrency. - a Future that mimics asyncio's. With TaskHandle that allows awaiting the return value of a task, there is no reason to use asyncio anymore.

Announcing JupyterGIS 0.16.0! 🤩 👋 blog.jupyter.org/jupytergis-0... We are excited to show you everything we've been building for the past months: - improved story-maps look and editor - a new Grammar Of Graphics symbology - openEO support - a new R API @jupyter.org @geojupyter.bsky.social

Conda packages have extras now. Optional dependency groups you declare and then consume, via v3 repodata. Plus when conditions and variant flags.

Just published in JOSS: 'JupyterGIS: A Collaborative GIS Environment for JupyterLab' https://doi.org/10.21105/joss.10383

Ten years ago, I founded QuantStack on a conviction: that we could build a sustainable business by supporting world-class open-source software to advance science. We had no outside funding, no guarantees, just trust in open collaboration. Read the full story: quantstack.net/blogs/Decade...

Zarrista: a new, faster Python library for working with Zarr data! 1.9x to 2.7x faster than Zarr-Python for reading local data. developmentseed.org/zarrista/lat...

Numba now runs entirely in the browser through #JupyterLite and emscripten-forge 🤘 Read Anutosh's post for more details on how we brought Numba's JIT compiler to #WebAssembly, enabling a broader ecosystem including PyTensor, PyMC, Interpolation․py, and Dolo․py. notebook.link/blog/numba-i...

Recently I have been working on an opinionated JupyterLab metapackage for coding agents, called xtralab. It's basically JupyterLab with a set of extra extensions and curated defaults. If folks are interested, I may do a more in-depth video walkthrough soon! ➡️ Repo: github.com/jtpio/xtralab

Looks promising: pyre-lang.org

Our not-too-secret project allows Pixi to depend on packages built from source. Build graphs, multi-language support and more are handled transparently. Sounds great, doesn't it? Then let us finally introduce it officially! prefix.dev/blog/pixi-b...

Interesting coding agent using @willmcgugan.bsky.social's Textual. twotimespi.dev

🚀 Introducing DataLab Web: the browser edition of the open-source DataLab platform (datalab-platform.com). A full signal & image processing app running 100% in your browser — no install, no server, no upload. Real Python (NumPy/SciPy) in WebAssembly, 200+ functions. datalab-platform.com/web/

I just released sqlite-anyio v0.2.9. Great contribution by Richard Sheridan that allows to cancel SQL queries.

Thanks FastAPI for supporting @jupyter.org!

AnyIO v4.14.0 has just been released! Among (a lot of) other things, it's now possible to await a task to get its return value. If that's what prevented you from dropping asyncio, you don't have any excuse now :)

pycrdt has less than 200 GitHub stars, but it's downloaded quite a lot.

We added top-level await support to xeus-python 🚀 You can now use toplevel async code directly in notebooks without extra boilerplate — and without blocking the kernel. Available with xeus-python 0.19.0 Here is a short blog post about how it works: notebook.link/@DerThorsten...

Just released tdiff v0.4.1 which adds support for auto-refresh on file change.

tdiff v0.4.0 adds support for recursively comparing two directories. Previously, in non-git mode, you could only diff two files. uvx tdiff --help

I'm filing issues for new features in tdiff in case an AI out there decides to go and implement them :) github.com/davidbrochar...

The nice thing about tdiff is that I use it to develop tdiff :) Anyways, v0.3.0 is out, which drops dulwich in favor of the git CLI. This way tdiff will behave much like `git diff`. The current API is `tdiff git`, with similar arguments. Next step: integrate with `git difftool`?

Tdiff v0.1.1 is out, with line wrapping. Thanks @willmcgugan.bsky.social!

I just released tdiff, a Textual diff viewer based on @willmcgugan.bsky.social's awesome textual-diff-view. github.com/davidbrochar...

You can now use Ratatui in Python! 🐀🥳 🐍 PyRatatui — Python bindings for @ratatui.rs 💯 Build high-performance TUIs in Python with 35+ widgets, async & effects 🦀 Backed by Rust via PyO3 ⭐ GitHub: github.com/pyratatui/py... #rustlang #ratatui #tui #python #library #bindings #pyo3 #terminal

I created Python bindings for Facebook's Yoga flexbox layout engine (entirely using AI): github.com/davidbrochar... It's part of a bigger project to provide Python bindings to opencode's opentui.

Recreating Ed Hawkins' climate spiral visualization in a Jupyter Notebook on notebook.link 🎨 The notebook uses NASA GISTEMP v4 monthly temperature anomalies from 1980 to 2025, and the p5.js JupyterLite kernel for ad-hoc visualizations 💡 ➡️ Try it in your browser: notebook.link/@jtp/paintin...

I'm vibe coding a port of Yjs to Python in: github.com/davidbrochar... Quite impressed by Mistral Vibe so far.

Just published textual-editor to PyPI. It's a textual widget that is similar to a TextArea, but that actually runs a real editor and connects it to an embedded terminal emulator, so that you get all the power of neovim (or whatever your preferred editor is). github.com/davidbrochar...

Jupyverse now supports legacy Jupyter server extensions. It does that by proxying the server, so no rewrite of the original extensions is needed. You can try jupyterlab-git and jupyterlab-lsp with: pip install jupyverse[jupyterlab,auth,jupyterlab-git,jupyterlab-lsp]

Announcing the Positron Notebook Editor for Jupyter Notebooks. posit.co/blog/announc...

RTFM is turning into ATFA (ask the fucking AI)

We are thrilled to introduce notebook.link, a platform that lets you create, share, and run Jupyter notebooks instantly in your browser. Powered by JupyterLite and WebAssembly, it supports Python, R, C++, and a full in-browser terminal experience. 📖 Read the full story: medium.com/@QuantStack/...