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Human-curated Python news, projects, articles & tools.

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Turn SQLite Into A Vector Database For RAG

This video demonstrates how to turn SQLite into a vector database for AI applications using the sqlite-vec and sqlite-ai-vector extensions. It covers setting up both packages in Python with OpenAI embeddings, implementing similarity search and metadata filtering, and benchmarking their performance, memory efficiency, and quantization capabilities.

https://www.youtube.com/watch?v=VlEoSzkd2gQ
numba-metal

An out-of-tree GPU backend that lets you write a constrained subset of Numba-style Python kernels and run them on the GPU of Apple-silicon Macs through Metal.

https://github.com/eviking/numba-metal
Nifty Django Feature: Q() Objects

Part of the Nifty Django features series: Django’s Q() objects allow you to some fancy filtering!

https://www.better-simple.com/django/2026/09/09/nifty-feature-q-objects/
Plugin Architecture Across Service Boundaries: An API Contract with Pydantic & FastAPI - Pt. 1

This articles shows how to build a service-level plugin architecture with Pydantic and FastAPI. I will be using an API contract package that plugin providers implement and our platform validates the contract during registration.

https://patrickm.de/plugin-architecture-across-service-boundaries-an-api-contract-with-pydantic-fastapi-pt-1/
guardlist: a list that raises an error when modified during iteration

Python protects dicts and sets from mutation during iteration, but not lists. GuardedList fills that gap with a clear error.

https://pypi.org/project/guardlist/
Playing with a Badgeware Badger

Ben Tasker shares his experience customizing the Badgeware Badger—a Raspberry Pi RP2350-powered e-ink name badge running MicroPython. He details troubleshooting image formatting, color-depth, and font sizing issues to display his custom avatar, a Fediverse social handle, and logo on the device.

https://www.bentasker.co.uk/posts/blog/general/playing-with-an-eink-badge.html
Jitter is the cheapest reliability fix you are not using

Distributed systems synchronise themselves without being told to: every client that retries on a fixed interval, restarts after a deploy, or reconnects after a network blip ends up firing at the same moment as every other client. The resulting spike is a self-inflicted denial of service that no single component is responsible for. Adding randomness to any repeating interval breaks the al...

https://ankit-rana.com/logs/49-jitter-synchronised-clients/