~pycoders | Issue #676: Bytearray, Underground Scripts, DjangoCon, and More (April 8, 2025) (27)

Python’s Bytearray: A Mutable Sequence of Bytes In this tutorial, you’ll learn about Python’s bytearray, a mutable sequence of bytes for efficient binary data manipulation. You’ll explore how it differs from bytes, how to create and modify bytearray objects, and when to use them in tasks like processing binary files and network protocols. REAL PYTHON

10 Insane Underground Python Scripts Imagine if your Python script could cover its tracks after execution or silently capture the screen. This post has 10 short scripts that do tricky things. DEV.TONAPPY TUTS

A Dev’s Guide to Surviving Python’s Error zoo 🐍 Exceptions happen—but they don’t have to wreck your app (or your day). This Sentry guide breaks down common Python errors, how to handle them cleanly, and how to monitor your app in production—without digging through logs or duct-taping try/excepts everywhere → SENTRY sponsor

Talks I Want to See at DjangoCon US 2025 Looking for a talk idea for DjangoCon US? Tim’s post discusses things he’d like to see at the conference. TIM SCHILLING

REST in Peace? Django’s Framework Problem The Django Rest Framework (DRF) has recently locked down access to its issues and discussion boards due to being overwhelmed. What does this mean for larger open source projects that become the victims of their own success? The article’s good points notwithstanding, the DRF is still doing releases. DANLAMANNA.COM

Developing and Testing Python Packages With uv Structuring Python projects can be confusing. Where do tests go? Should you use a src folder? How do you import and test your code cleanly? In this post, Michael shares how he typically structures Python packages using uv, clarifying common setup and import pitfalls. PYBITES • Shared by Bob Belderbos

Building a Code Image Generator With Python In this step-by-step video course, you’ll build a code image generator that creates nice-looking images of your code snippets to share on social media. Your code image generator will be powered by the Flask web framework and include exciting packages like Pygments and Playwright. REAL PYTHON course

Algorithms for High Performance Terminal Apps This post by one of the creators of Textual talks about how to write high performing terminal applications. You may also be interested in the Talk Python interview on the same topic. WILL MCGUGAN

Migrate Django ID Field From int to big int If you’re responsible for a project based on an older version of Django, you may be using int based primary keys. This post talks about how to transition to a 4-byte integer, used in more recent versions of Django, with minimal down time. CHARLES OLIVEIRA

Shadowing in Python Gave an UnboundLocalError Reusing a variable name to shadow earlier definitions normally isn’t a problem, but due to how Python scopes, it occasionally gives you an exception. This post shows you just such a case and why it happened. NICOLE TIETZ-SOKOLSKAYA

If I Were Starting Out Now… Carlton Gibson gives advice and what he’d do if he was starting his development career now. It even starts with the caveat about why you maybe shouldn’t listen to him? CARLTON GIBSON

Terrible Horrible No Good Very Bad Python This quick post shows some questionable code and asks you to predict what it does. Don’t forget to click the paragraphs at the bottom if you want to see the answers. JYNN NELSON

How to Report a Security Issue in an Open Source Project So you’ve found a security issue in an open source project – or maybe just a weird problem that you think might be a security problem. What should you do next? JACOB KAPLAN-MOSS