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typing.Protocol, args and kwargs, CPython 3.11.0a5 Released, and More

#511 – FEBRUARY 8, 2022 VIEW IN BROWSER
The PyCoder’s Weekly Logo
Defining Python Functions With Optional Arguments
Learn about Python optional arguments and how to define functions with default values. You’ll also see how to create functions that accept any number of arguments using *args and **kwargs.
REAL PYTHON course

typing.Protocol Across Python Versions
How to seamlessly support typing.Protocol on Python versions older and newer than 3.8. At the same time.
HYNEK SCHLAWACK

How to Quickly Label Data for Machine Learning
With Toloka, you can control the accuracy and speed of data labeling to develop high performing ML models. Our platform supports annotation for image classification, semantic segmentation, object detection, named entity recognition, sentiment analysis, speech recognition, text classification →
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A Better Pygame Main Loop
Improving your game’s main loop for smoother gameplay that takes less battery power: “Now your players’ laptops run cool while playing, and the graphics don’t have ugly tearing artifacts any more!”
GLYPH LEFKOWITZ

GitHub Survey on Languages and More Developer Things
JavaScript retains the top spot, Python keeps 2nd place gained in 2019 over Java, which holds in 3rd. Typescript continues 4th after racing up from 2017 from 10th to 4th in 2020. JavaScript + TypeScript seem to put that way ahead in terms of amount of code on GitHub.
GITHUB.COM • Shared by Ian Currie

Python News: What’s New From January 2022?
In January 2022, Black came out of Beta, IPython 8.0 was released, PEP 665 was rejected, and last but not least, a fifteen-year-old bug was fixed. In this article, you’ll get the details on these important happenings in the world of Python.
REAL PYTHON

Python in Visual Studio Code – February 2022 Release
This release includes: smart selection, folding support, improvements to the Python interpreters list, improvements when using Anaconda.
MICROSOFT.COM

CPython 3.11.0a5 Is Available
“We needed to tame some angry buildbots, but after a small fight, we won with just some scratches! Here you have a shiny new alpha release: Python 3.11.0a5.”
CPYTHON DEV BLOG


Discussions


Python Core Dev Says “It’s Now Time to Deprecate the Stdlib urllib Module”
“I propose to deprecate the urllib module in Python 3.11. It would emit a DeprecationWarning which warn users, so users should consider better alternatives like urllib3 or httpx: well known modules, better maintained, more secure, support HTTP/2 (httpx), etc.”
TWITTER.COM/VICTORSTINNER

Python’s IDLE Editor Is Much Better Now
“People used to say all kinds of things about Python’s native IDLE editor, but lately it has become a viable alternative for me to other editors like Notepad++.”
HACKER NEWS


Python Jobs


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Sr Python Engineer (Anywhere)
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Backend Software Engineer (Asia Pacific Region)
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Senior Full-Stack Web Developer (Anywhere)
MONETIZEMORE

Python Engineer (Web Scraping) (Asia, TX, America)
NEWSCATCHER

Python Trainer (Jakarta, Indonesia)
PHYSIKALISCH-TECHNISCHE BUNDESANSTALT

More Python Jobs >>>


Articles & Tutorials


Manipulating and Analyzing Audio in Python
Would you like to experiment with analyzing or manipulating audio with Python? This week on the show, we have Braden Riggs from DolbyIO to discuss extracting audio features and Python libraries for reshaping audio. Braden shares techniques from his recent talk at PyData Global, “Unlocking More From Your Audio Data!”
REAL PYTHON podcast

Creating Beautiful Tracebacks with Python’s Exception Hooks
“We all spend a good chunk of our time debugging, sifting through logs, or reading tracebacks. Each of these can be difficult and time-consuming and in this article, we will focus on making the last one—dealing with tracebacks and exceptions—as easy and efficient as possible.”
MARTIN HEINZ • Shared by Martin Heinz

Do You Know if Your Users Toggled Off Notifications
Clubhouse case study: you’ll remember they were the most downloaded app in APR of 2021. If you recall they spammed users with notifications. Most were irrelevant. Had they had a centralized notification system with a sophisticated preferences module the mass exodus likely could have been avoided →
COURIERsponsor

The Correct Way to Overload Functions In Python
“Function overloading is a common programming pattern which seems to be reserved to statically-typed, compiled languages. Yet there’s an easy way to implement it in Python with help of multimethods or, as it’s called in Python, Multiple Dispatch.”
MARTIN HEINZ

Only Python: Friendly-Traceback: Trying to Stay Ahead of IPython
“I’m writing this blog post in the hope that some people will be encouraged to test friendly/friendly-traceback with IPython/Jupyter and make suggestions as to how it could be even more useful.”
ANDRÉ ROBERGE

Python’s len() Function
Learn how to find the length of built-in data types using len(), use len() with third-party data types, and provide support for len() with user-defined classes.
REAL PYTHON course

Variance of Generic Types in Python
Explaining generics that are—covariant, contravariant or invariant in types, and why it matters while working with type annotations in Python.
REDOWAN DELOWAR • Shared by Redowan Delowar

Join The Big Fix - Fix Vulnerabilities. Earn Swag.
Earn swag (including t-shirts) for fixing vulnerabilities! Plus, join our fix-a-thon livestream on Feb 25.
SNYK.IOsponsor

Working With Static and Media Files in Django
A look at how to work with static and media files in a Django project, locally and in production.
AMAL SHAJI • Shared by Amal Shaji

Natural Language Processing for Icelandic With PyPy: A Case Study
VILHJÁLMUR ÞORSTEINSSON

Different Approaches for Inverting Binary Tree in Python
MISHA BEHERSKY • Shared by Misha Behersky


Projects & Code


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etna: Python Module for Time Series Forecasting
GITHUB.COM/TINKOFF-AI • Shared by Andrey

ChemicalX: Deep Learning Library for Drug Pair Scoring
GITHUB.COM/ASTRAZENECA • Shared by Benedek Rozemberczki

GraphWrap: Add GraphQL Interface to DRF Apps
GITHUB.COM/PAULGILMARTIN • Shared by Paul Gilmartin

strongtyping-pyoverload: A Runtime Method Overload Decorator
PYPI.ORG

📆🐍 Upcoming Python Events


⋅ Weekly Real Python Office Hours Q&A (Virtual) February 9, 2022

⋅ Python Atlanta February 10, 2022

⋅ Python Miami February 12 to February 13, 2022

⋅ PyDelhi User Group Meetup February 12, 2022

⋅ PyCon Iran 2022 February 16 to February 19, 2022

⋅ Python Web Conference 2022 (Virtual) March 21 to March 25, 2022
Happy Pythoning!
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Python JIT, Security Pitfalls, macOS Deprecates Python 2, Black Formatter Stable Release, and More

Tuesday, February 1, 2022

What Is a JIT and How Can Pyjion Speed Up Your Python? #510 – FEBRUARY 1, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo What Is a JIT and How Can Pyjion Speed Up Your Python? How can you can speed

PEP 646 Accepted, Strict Function Parameters, Solving Wordle, and More

Tuesday, January 25, 2022

PEP 646: Variadic Generics Was Accepted #509 – JANUARY 25, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo PEP 646: Variadic Generics Was Accepted This PEP introduces TypeVarTuple , enabling

Object Subscriptions Deep-Dive, Django Survey Results, Pip Caching, and More

Tuesday, January 18, 2022

Unravelling "`[]`" Subscriptions in Python #508 – JANUARY 18, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Unravelling “ [] ” Subscriptions in Python “It's quite possible you're

Django Front Ends, Language of the Year, PSF News, and More

Tuesday, January 11, 2022

Build a Django Front End With Bulma – Part 2 #507 – JANUARY 11, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Hey there, Quick announcement: I'm looking to hire a talented PyCoder's Weekly

Build a Social Network With Django, Make Your Own Linter, Log Injections Attacks, and More

Tuesday, January 4, 2022

Gem: Exploding String Alternatives #506 – JANUARY 4, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Gem: Exploding String Alternatives Here's a Python gem: a small bit of Python that uses the

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