#497 – NOVEMBER 2, 2021
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“The end result thus appears to be a GIL-removal effort that has a rather better-than-average chance of making it into the CPython interpreter. That would be cause for a lot of rejoicing among Python developers. That said, a change this fundamental is unlikely to be rushed into the CPython mainline; it will take a lot of testing to convince the community that it is ready for production use.”
Django templates have many built-in tags and filters to render content, but they may not meet all your needs. This tutorial covers how to write Django custom template tags and filters, including simple tags, inclusion tags, block tags, and different types of filters.
DataStax Astra DB, built on Cassandra – now made easy in the cloud. Create a free Cassandra database in minutes for global scale on a startup budget. Get 80 gigabytes of storage free every month! Register now →
In this step-by-step tutorial, you’ll learn what Python Zip applications are and how to create them quickly using the zipapp module from the standard library. You’ll also learn some alternative tools you can use to build this kind of application manually.
Python has the
in operator and it would be nice to have additional infix operator like this. This recipe shows how (almost) arbitrary infix operators can be defined in vanilla Python:
x |op| y or
x <<op>> y
Do you know of a deserving individual who should be considered for a PSF Community Service Award? The PSF is accepting nominations for the Q4 2021 Community Service Award.
Articles & Tutorials
“To understand complex code, it can be helpful to remove abstractions, even if it results in larger functions. This episode walks through a process I use to refactor code that I need to debug and fix, but don’t completely understand.”
TEST & CODE podcast
“I recently did a quick optimization pass over glyphsLib, using FunctionTrace to improve performance by ~30% in under half an hour. This is writeup of my approach, which should be mostly extensible to optimizing other codebases.”
Scout uses tracing logic to tie bottlenecks to source code so developers can get back to building great products instead of wasting time fixing performance issues. Real-time alerting gives you the insights you need in 4 min or less! Deploy today and we’ll donate $5 to the OSS project of your choice →
SCOUT APM sponsor
In this introductory Python course, you’ll learn how to take user input from the keyboard with the built-in function
input() and how to display output to the console with the built-in function
REAL PYTHON course
Have you wanted to generate PDFs from your Python project? This week on the show, it’s Joris Schellekens talking about his library for creating and manipulating PDFs named
REAL PYTHON podcast
“We’ve spent some time recently thinking about the future of Pyston, our faster implementation of Python, and wanted to share what’s on our mind.”
Like Grammarly for your code. Scan your Python code for quality & security issues, and get fix advice in your IDE. Get started with Snyk for free.
Pants is a software build system. It orchestrates the various tools and steps that process your source code into deployable software.
Tzu-ping is a member of Python Packaging Authority (PyPA) and a maintainer of pip and pipx.
Projects & Code
This was PyCoder’s Weekly Issue #497.
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