python

The user is open-sourcing their profitable quantitative trading code and introducing the QTrader platform, which offers strategy management, backtesting, and simulated trading features.

Datatrove, the data-processing library behind FineWeb datasets, released version 0.10.0 with new features like JobsPipelineExecutor for running pipelines on Hugging Face Jobs and support for HF storage buckets.

This article introduces a GitHub repository called awesome-systematic-trading, which categorizes free open-source quantitative trading libraries and resources by programming language, helping developers quickly find suitable tools.

Man Group has open-sourced ArcticDB, a high-performance, serverless DataFrame database designed for Python data science and quantitative finance scenarios, supporting billions of rows of time-series data, S3/LMDB/Azure storage, time travel and snapshots, and C++ engine acceleration.

sqlite-utils 4.2.1 fixes a crashing bug caused by an unlisted typing-extensions dependency, and adds a smoke test to verify CLI works without dev dependencies.

sqlite-utils 4.2 improves the transform() feature with support for complex schema definitions, new introspection properties, and other smaller changes, with contributions from multiple developers.

A deep dive into the inconsistent behavior of Python's pre-declared constants, including keyword status, assignment restrictions, and shadowing quirks.

Release of alchemy-utils 0.1a1, a utility package, noted by Simon Willison.

Simon Willison announces the alpha release of alchemy-utils, a database-agnostic Python library and CLI inspired by sqlite-utils, built with AI assistance and supporting PostgreSQL, SQLite, and DuckDB.

The article describes creating a Mac widget that displays the positions of celestial bodies using Python and Astropy, with code examples and explanations for setup.

Patronus Ark is a new Rust and Python library for locally scanning AI agent text and tool activity, covering prompt injection, PII, data leakage, and tool-related risks without sending data to external APIs.

The blog post introduces a Python PaintBrush class for teaching coding visually and discusses how LLMs like Claude can generate such code quickly, emphasizing the value of hand-written code for learning.

Introducing the open-source web scraping framework Scrapling, which claims to natively bypass protections like Cloudflare, with parsing speed far exceeding BeautifulSoup, built-in StealthyFetcher and CloakBrowser, and support for MCP server integration with AI Agents.

mcptoon is a zero-dependency Python CLI client for MCP servers that uses a compact TOON format to reduce tool discovery tokens by up to 97%, saving context window space for AI agents.

A deep dive into the complexity of splitting multiline text in Python, covering the many Unicode line break characters and the historical origins of newline representations in ASCII.

This article explains how to use polynomials, specifically smoothstep functions, to create smooth motion trajectories for robots and 3D printers by matching derivatives of position (velocity, acceleration, jerk, etc.) to avoid discontinuities.

Django's Steering Council has accepted DEP 20 to move to an annual release cycle starting January 2028. Every feature release will get three years of support, retiring the LTS label, and version numbers will carry the release year (e.g., Django 2028).

Fable used Claude AI to one-shot a Rust rewrite of the TerminalTextEffects Python library, reducing startup time from 87ms to 2ms and increasing rendering speed by 9.6x, with zero dependencies and a single 3MB executable.

ProtoLink is a lightweight A2A-first Python framework for building pluggable agents and multi-agent systems, emphasizing local-first, LLM-agnostic design with optional modules.

The author built sidetap, a Python harness that lets an LLM agent control a real iPhone from Windows over USB, with safety features like a kill switch and guardrails. The post details the technical challenge of sideloading WebDriverAgent with a free Apple ID and introduces the open-source tool.