Issue #497

GIL News, "zipapp" Module in 3.5+, PSF Community Service Awards, and More

Nov. 2, 2021

GIL News, "zipapp" Module in 3.5+, PSF Community Service Awards, and More
#497 – NOVEMBER 2, 2021 VIEW IN BROWSER
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A Viable Solution for Python Concurrency
“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.”
JONATHAN CORBET

Django Templates: Implementing Custom Tags and Filters
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.
REAL PYTHON

DataStax Astra DB, Built on Apache Cassandra™ Get 80 Gigabytes of Storage Free Every Month
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Python’s zipapp Module: Build Executable Zip Applications
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.
REAL PYTHON

Infix Operators (Python Recipe)
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
ACTIVESTATE.COM

PSF Community Service Awards Nominations
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.
PYTHON.ORG


Discussions


I Googled How to Modify a Python String During a Coding Interview
REDDIT

Is the Key Order the Same for OrderedDict and dict?
STACK OVERFLOW

Is There a Way to Pattern Match Inequalities in Python ≥ 3.10?
STACK OVERFLOW


Python Jobs


Tutorial Editor (Full-Time, Remote)
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Full Stack Software Engineer Django/Postgres/React (Washington D.C.)
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Senior Python Engineer @ Moody's AI & ML Center of Excellence (New York, NY, USA)
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Articles & Tutorials


Understanding Complex Code by Refactoring Into Larger Functions
“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

Quickly Optimizing Python Code With FunctionTrace
“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.”
MATT BRYANT

Find Out Why Scout’s a Developer’s Best Friend With a Free 14-Day Trial, No Credit Card Needed
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 →
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Reading Input and Writing Output in Python
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 print().
REAL PYTHON course

Creating and Manipulating PDFs in Python With borb
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 borb.
REAL PYTHON podcast

Roadmap for the Pyston Python Implementation
“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.”
KEVIN MODZELEWSKI

A New, Free Python Code Quality & Security Scanner With Real-Time Scanning
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.
SNYK.IOsponsor

Pants 2.8 Supports PEP 517: Build Python Native Extensions With Ease
Pants is a software build system. It orchestrates the various tools and steps that process your source code into deployable software.
BENJY WEINBERGER

PyDev of the Week: Tzu-ping Chung
Tzu-ping is a member of Python Packaging Authority (PyPA) and a maintainer of pip and pipx.
MIKE DRISCOLL

Streamline Your Docker Builds With Pants and PEX
BENJY WEINBERGER

Coverage Goals in coverage.py
NED BATCHELDER


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 →

detr: End-to-End Object Detection With Transformers
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pyhpc-benchmarks: Benchmarks for CPU and GPU of the Most Popular High-Perf Python Libs
GITHUB.COM/DIONHAEFNER

structlog: Structured Logging for Python
STRUCTLOG.ORG

Dataconf: Configuration Library With Automatic Dataclasses Parsing
GITHUB.COM/ZIFEO • Shared by Teo

epilog: Docker Container Log Aggregation With Elasticsearch, Kibana, and Filebeat
GITHUB.COM/REDNAFI • Shared by Redowan Delowar

Closember: Close/Merge as Many Issues and PR as Possible During the Month of November
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📆🐍 Upcoming Python Events


⋅ Weekly Real Python Office Hours Q&A (Virtual) November 3, 2021

⋅ PyCon Chile November 5 to November 8, 2021

⋅ PyDelhi User Group Meetup November 6, 2021

⋅ Edmonton Python User Group November 8, 2021

⋅ IndyPy Monthly Meetup November 9, 2021

⋅ TuPLE (Tucson Python Language Enthusiasts) November 9, 2021

⋅ deploy by DigitalOcean November 16 to November 17, 2021
Happy Pythoning!
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