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PyCoder’s Weekly: Issue #715: Top 5 of 2025, LlamaIndex, Python 3.15 Speed, and More (Dec. 30, 2025)

Link: https://pycoders.com/issues/715

#715 – DECEMBER 30, 2025 View in Browser » Welcome to the end of 2025 PyCoders newsletter. In addition to your regular content, this week we have included the top 5 most clicked articles of the ye
Paolo Melchiorre: Looking Back at Python Pescara 2025

Link: https://www.paulox.net/2025/12/31/looking-back-at-python-pescara-2025/

A personal retrospective on Python Pescara in 2025: events, people, and moments that shaped a growing local community, reflecting on continuity, experimentation, and how a small group connected to the
"Michael Kennedy's Thoughts on Technology": Python Numbers Every Programmer Should Know

Link: https://mkennedy.codes/posts/python-numbers-every-programmer-should-know/

There are numbers every Python programmer should know. For example, how fast or slow is it to add an item to a list in Python? What about opening a file? Is that less than a millisecond? Is there some
Django Weblog: DSF member of the month - Clifford Gama

Link: https://www.djangoproject.com/weblog/2025/dec/31/dsf-member-of-the-month-clifford-gama/

For December 2025, we welcome Clifford Gama as our DSF member of the month! ⭐
Clifford contributed to Django core with more than 5 PRs merged in few months! He is part of the Triage and Review Team. H
The Python Coding Stack: Mulled Wine, Mince Pies, and More Python

Link: https://www.thepythoncodingstack.com/p/mulled-wine-mince-pies-and-more-python

I’ve been having too much mulled wine. And wine of the standard type. And aperitifs before meals and digestifs after them…the occasional caffé corretto, too. You get the picture…No wonder I can’t reme
Seth Michael Larson: Cutting spritesheets like cookies with Python & Pillow 🍪

Link: https://sethmlarson.dev/cutting-spritesheets-like-cookies-with-python-and-pillow?utm_campaign=rss

Happy new year! 🎉 For an upcoming project on the blog requiring many video-game sprites
I've created a small tool (“sugarcookie”) using the always-lovely Python image-processing
library Pillow.
This t
Python Morsels: Implicit string concatenation

Link: https://www.pythonmorsels.com/implicit-string-concatenation/

Python automatically concatenates adjacent string literals thanks to implicit string concatenation. This feature can sometimes lead to bugs.



Table of contents

Strings next to each other
Implicit s
Glyph Lefkowitz: The Next Thing Will Not Be Big

Link: https://blog.glyph.im/2026/01/the-next-thing-will-not-be-big.html

The dawning of a new year is an opportune moment to contemplate what has
transpired in the old year, and consider what is likely to happen in the new
one.
Today, I’d like to contemplate that contempla
Real Python: The Real Python Podcast – Episode #278: PyCoder's Weekly 2025 Top Articles & Hidden Gems

Link: https://realpython.com/podcasts/rpp/278/

PyCoder's Weekly included over 1,500 links to articles, blog posts, tutorials, and projects in 2025. Christopher Trudeau is back on the show this week to help wrap up everything by sharing some highli
Seth Michael Larson: New ROM dumping tool for SNES & Super Famicom from Epilogue

Link: https://sethmlarson.dev/epilogue-sn-operator?utm_campaign=rss

Just heard the news from the WULFF Den Podcast that Epilogue
has released pre-orders for the next ROM backup tool in their “Operator”
series for the Super NES (SNES) and Super Famicom
called the “SN O
Hugo van Kemenade: Localising xkcd

Link: https://hugovk.dev/blog/2026/localising-xkcd/

I gave a lightning talk at a bunch of conferences in 2025 about some of the exciting new
things coming in Python 3.14, including
template strings.
One thing we can use t-strings for is to prevent SQL
EuroPython: Humans of EuroPython: Marina Moro López

Link: https://blog.europython.eu/humans-of-ep-marina/

EuroPython wouldn’t exist if it weren’t for all the volunteers who put in countless hours to organize it. Whether it’s contracting the venue, selecting and confirming talks & workshops or coordinating
Artem Golubin: Recent optimizations in Python's Reference Counting

Link: https://rushter.com/blog/python-refcount/

It's been a while since I've written about CPython internals and its optimizations.
My last article on garbage collection was written 8 years ago.
A lot of small optimizations were added since then. I
Python Morsels: Debugging with f-strings

Link: https://www.pythonmorsels.com/debugging-with-f-strings/

If you're debugging Python code with print calls, consider using f-strings with self-documenting expressions to make your debugging a little bit easier.



Table of contents

A broken Python program
T
Glyph Lefkowitz: How To Argue With Me About AI, If You Must

Link: https://blog.glyph.im/2026/01/how-to-argue-with-me-about-ai.html

As you already know if you’ve read any of this blog in the last few years, I am
a somewhat reluctant — but nevertheless quite staunch — critic of LLMs. This
means that I have enthusiasts of varying d
Zato Blog: Python scheduler for API integrations

Link: https://zato.io/en/blog/python-scheduler.html


Python scheduler for API integrations


2026-01-05, by Dariusz Suchojad


Are you looking for a practical way to automate API tasks with reliable scheduling?
This tutorial
demonstrates how to imple
Real Python: Learn From 2025's Most Popular Python Tutorials and Courses

Link: https://realpython.com/popular-python-tutorials-2025/

As we welcome 2026, it’s time to look back on an exciting year for Python. Python 3.14 arrived with a wave of developer-focused improvements, from lazy annotations that finally resolve long-standing t
Talk Python to Me: #533: Web Frameworks in Prod by Their Creators

Link: https://talkpython.fm/episodes/show/533/web-frameworks-in-prod-by-their-creators

Today on Talk Python, the creators behind FastAPI, Flask, Django, Quart, and Litestar get practical about running apps based on their framework in production. Deployment patterns, async gotchas, serve
Python Bytes: #464 Malicious Package? No Build For You!

Link: https://pythonbytes.fm/episodes/show/464/malicious-package-no-build-for-you

Topics covered in this episode:

ty: An extremely fast Python type checker and LSP
Python Supply Chain Security Made Easy
typing_extensions
MI6 chief: We'll be as fluent in Python as we are in Russian