Welcome to issue 687 of Python Weekly. Let's get straight to the links this week.

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Articles, Tutorials and Talks

DuckDB: SQL and DataFrames Just Got Married

This video introduces DuckDB, a lightweight, embedded database that allows running SQL queries directly on Pandas DataFrames without the need for a server, simplifying data analytics. It showcases how DuckDB streamlines operations from in-memory storage to persistent storage and Jupyter integrations, also highlighting multithreading capabilities and extended SQL functionalities.

Getting Started with Real-World Robots

This tutorial will guide you through the process of setting up and training a neural network to autonomously control a real robot.

Using uv to build and install Python CLI apps

This practical tutorial shows how to use uv to build and install custom Python CLI applications globally on your system.

PEP 517 build system popularity

Analysis of PEP 517 build backends used in 8000 top PyPI packages.

The Ultimate Guide to Django Templates

Learn about Django templates with this guide. Explore what they are, why they're useful, and how to use them. Discover the different types of Django templates.

How I Built a Deep Learning Library from Scratch Using Only Python, NumPy & Math

This post introduces "ML by Hand," a Python-based machine learning library built from scratch using NumPy for educational purposes, emphasizing transparency and direct correspondence to mathematical formulas over efficiency, contrasting with libraries like PyTorch. The library aims to provide a deeper understanding of deep learning models by stripping down abstraction layers and enabling easier debugging, with CuPy integration for potential GPU acceleration.

Building a Secure RAG with Python, LangChain, and OpenFGA

Learn how to use Okta FGA to secure your LangChain RAG agent in Python.

From RankNet to LambdaMART: Leveraging XGBoost for Enhanced Ranking Models

In the ever-evolving world of machine learning, the journey from theory to application can be both fascinating and complex. This article aims to demystify part of this journey, focusing on two significant ranking algorithms: RankNet and LambdaRank. At first glance, these algorithms might seem daunting, but we’ll break them down into simpler terms, making them accessible to everyone.

Official Django MongoDB Backend Now Available in Public Preview

The official Django MongoDB Backend is now available, enabling Django developers to seamlessly integrate MongoDB into their projects with Django models, admin support, and MongoDB-specific query optimizations. This integration aims to improve developer experience and accelerate software development by leveraging the flexibility of the document model and the full feature set of MongoDB Atlas.

Interesting Projects, Tools, and Libraries

potpie

Prompt-To-Agent : Create custom engineering agents for your codebase.

Preswald

Your lightweight companion for building simple, interactive, and dynamic data apps in Python.

DeepScaleR

Democratizing Reinforcement Learning for LLMs.

llm-sort

Sort input lines semantically with llm.

fastapi-guard

A security library for FastAPI that provides middleware to control IPs, log requests, and detect penetration attempts. It integrates seamlessly with FastAPI to offer robust protection against various security threats.

IntentGuard

A Python library for verifying code properties using natural language assertions.

FastSQLA

SQLAlchemy extension for FastAPI with built-in pagination and asyncio support.

ScrapeServ

A self-hosted API that takes a URL and returns a file with browser screenshots.

Autiobooks

Automatically convert epubs to audiobooks.

audiobox-aesthetics

Unified automatic quality assessment for speech, music, and sound.

OCRmyPDF

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched.

New Releases

Python in Visual Studio Code – February 2025 Release

This release includes the following announcements:

PyPy v7.3.18: release of python 2.7, 3.10 and 3.11 beta

This release includes a python 3.11 interpreter. We are labelling it "beta" because it is the first one. In the next release we will drop 3.10 and remove the "beta" label. There are a particularly large set of bugfixes in this release thanks to @devdanzin using fusil on the 3.10 builds, originally written by Victor Stinner.

Upcoming Events and Webinars

PyRVA Meetup February 2025

There will be a talk, UV: What is it and should you use it?

Pyninsula #35

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PyData Milano Meetup February 2025

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PyData Berlin Meetup February 2025

There will be following talks

PyData Amsterdam Meetup February 2025

There will be following talks

PyData Southampton Meetup February 2025

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