| | Design Patterns You Should Unlearn in Python The Gang of Four design patterns specify object oriented solutions to common issues in code, except Python doesn’t have many of the problems the solutions are aiming to solve. This article talks about some of the common patterns and the easier ways to solve the problems they intend to address in Python. See also Part 2. RACEYCHAN
Signals: State Management for Python Developers If you’ve ever debugged why your cache didn’t invalidate or notifications stopped firing after a “simple” state change, this guide is for you. Signals are becoming a JavaScript standard, but Python developers can use the same patterns to eliminate “forgot to update that thing” bugs. TUAN ANH BUI • Shared by Tuan Anh Bui
Prevent Postgres Slowdowns on Python Apps with this Check List Avoid performance regressions in your Python app by staying on top of Postgres maintenance. This monthly check list outlines what to monitor, how to catch slow queries early, and ways to ensure indexes, autovacuum, and I/O are performing as expected → PGANALYZEsponsor
Use TorchAudio to Prepare Audio Data for Deep Learning Learn to prepare audio data for deep learning in Python using TorchAudio. Explore how to load, process, and convert speech to spectrograms with PyTorch tools. REAL PYTHON
Quiz: Use TorchAudio to Prepare Audio Data for Deep Learning REAL PYTHON
PyPy v7.3.20 Release PYPY.ORG
Django Bugfix Release 5.2.4 DJANGO SOFTWARE FOUNDATION
Articles & Tutorials Solving Problems and Saving Time in Chemistry With Python What motivates someone to learn how to code as a scientist? How do you harness the excitement of solving problems quickly and make the connection to the benefits of coding in your scientific work? This week on the show, we speak with Ben Lear and Christopher Johnson about their book “Coding For Chemists.” REAL PYTHON podcast
Django’s Ecosystem The Django library’s website has added a new page called “Django’s Ecosystem”. It has two parts: a source of resources for more information and a detailed package listing. The package listing is broken down by type and includes debugging tools, static file management, API development, and much more. DJANGO SOFTWARE FOUNDATION
Workshop: Unpack OWASP Top 10 LLMs with Snyk Join Snyk and OWASP Leader Vandana Verma Sehgal on Tuesday, July 15 at 11:00AM ET for a live session covering: ✓ The top LLM vulnerabilities ✓ Proven best practices for securing AI-generated code ✓ Snyk’s AI-powered tools automate and scale secure dev. See live demos plus earn 1 CPE credit! here → SNYK.IOsponsor
Use Keyword-Only Arguments in Dataclasses Python dataclasses are a really nice feature for constructing classes that primarily hold or work with data. This post describes a small tip: using the kw_only=True aspect to enforce keyword arguments. See also the associated HN discussion. CHRISTIAN HAMMOND
Application Logging in Python: Recipes for Observability The logging module is powerful, but it can be somewhat complex. This tutorial covers structured JSON output, centralizing logging configuration, using contextvars to automatically enrich your logs with request-specific data, and other useful patterns for your observability needs. AYOOLUWA ISAIAH • Shared by Ayooluwa Isaiah
Escaping Contravariance Hell Ever used a Python type checker and got a frustrating error message like “This violates the Liskov substitution principle?” This post explains why “contravariance” is the underlying issue and how to deal with it. QUANSIGHT.ORG • Shared by Marco Gorelli
Python for Nonprofits This article and code demonstrates how to use Python to retrieve, analyze, visualize, and share nonprofit data. Even if you’re not dealing with nonprofits, the advice is useful to any data project. GITHUB.COM/KBURCHFIEL
How to Migrate Your Python & Django Projects to uv This post shows you one way of migrating an existing project to uv , including how to update your pyproject.toml file and what changes you might need to make if you use Docker. TOBIAS MCNULTY
Dashboards With FastAPI, MongoDB, and WebSockets This tutorial looks at how to develop a real-time order dashboard with FastAPI, MongoDB, and WebSockets to stream live data updates from the backend to the frontend. ABDULAZEEZ ABDULAZEEZ ADESHINA • Shared by Mike Herman
Django Annual Impact Report Every year the Django Software Foundation releases a report on its activities, including key milestones, community narratives, and what is coming in the future. DJANGO SOFTWARE FOUNDATION
Python 3.14 Preview: Template Strings (T-Strings) Python 3.14 introduces t-strings: a safer, more flexible alternative to f-strings. Learn how to process templates securely and customize string workflows. REAL PYTHON
Quiz: Python 3.14 Preview: Template Strings (T-Strings) REAL PYTHON
Implementing the Factory Method Pattern in Python Learn how to use the Factory Method pattern in Python, when to apply it, how to refactor your code for it, and explore a reusable implementation. REAL PYTHON course
Projects & Code Brought to you by Real Python for Teamssponsor Online Python training created by a community of experts. Give your team the real-world Python skills they need to succeed → copier: Library and CLI for Rendering Project Templates GITHUB.COM/COPIER-ORG
dataclasses-json: Serialize Data Classes to and From JSON GITHUB.COM/LIDATONG
deltacycle: Discrete Event Simulation GITHUB.COM/CJDRAKE
pyleak: Detect Leaked Asyncio Tasks, Threads, and More GITHUB.COM/DEEPANKARM
ovld: Advanced Multiple Dispatch for Python Functions GITHUB.COM/BREULEUX
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