Python Weekly - Python Weekly - Issue 558

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Welcome to issue 558 of Python Weekly. Let's get straight to the links this week.
From Our Sponsor 
Deepnote is a data notebook for collaboration: Explore data from the comfort of your browser and without the heavy setup. Connect to your stack via dozens of built-in integrations. Work together with real-time collaboration, commenting, and version control. Share your work by simply sending a link.


PyPI to Enable 2FA on Critical Python Project Accounts
Observing the recent hijacking of several python projects, the Python Package Index (PyPI) is mandating two-factor authentication for the accounts of critical projects.

Python 3.11 may be delayed 

Articles, Tutorials and Talks

Using GPT-3 to explain how code works
One of my favourite uses for the GPT-3 AI language model is generating explanations of how code works. It’s shockingly effective at this: its training set clearly include a vast amount of source code.

How To Use Docker To Make Local Development A Breeze 
Docker is a very powerful tool for developing applications that run in the cloud. If you want to get the most out of it, you need to make sure that the way you're running your code locally matches as closely as possible with how it runs in the cloud. This video shows you how to do this, using a simple API server in Python as an example. 

I analyzed 1835 hospital price lists so you didn't have to
The current law requires that hospitals code their procedures with a generic code. This way you can compare prices between hospitals. Of the 33% (or so) of hospitals that publish their chargemasters, and are in principle in compliance with the law, many of these hospitals only publish partial information, making price shopping a lot like mattress shopping. Our goal is to clean this real-world dataset and see if we can figure out how many rows can contain a code. Then we'll see how many hospitals are following the law.

Evaluating Mechanical Keyboard Delivery Estimates with Python Web Scraping
Evaluating the accuracy of's delivery estimates using beautifulsoup and matplotlib.

Extract Text from Images with Python 
In this video we learn how to extract text from images using python. We compare three popular libraries: pytesseract, easyocr, and keras_ocr. Examples are run in a kaggle notebook on the TextOCR dataset.

Write Clean Python Code. Always. 
Sonar static analysis helps you build and maintain high-quality Python code. With over 215 dedicated rules, we find your coding issues while you focus on the work. Explore our free solutions. SPONSOR

Parallel Processing Large File in Python
Learn various techniques to reduce data processing time by using multiprocessing, joblib, and tqdm concurrent.

Exploring the Decision Tree Algorithm in Python 
Learn how to implement the Decision Tree Classifier machine learning algorithm in Python - all from scratch. From in-depth explanations to detailed code descriptions, this video is the perfect tutorial for anyone looking to experiment and grow more familiar with the Decision Tree.

Supporting GPU-accelerated Machine Learning with Kubernetes and Nix
It ain’t what you don’t know that gets you into trouble — well, sometimes it is.

Dunder methods
This is an introduction to dunder methods in Python, to help you understand what they are and what they are for.

Pip constraints files
Sometimes, it is difficult to determine what the original dependencies of a Python application are, a constraints file is a way to solve this problem

Why DRY is the most over-rated programming principle 

Organize Python code like a PRO 

How To Build a Raspberry Pi Pico W Web App With Anvil

Interesting Projects, Tools and Libraries

Packj (pronounced package) is a command line (CLI) tool to vet open-source software packages for "risky" attributes that make them vulnerable to supply chain attacks. 

Modern Market Research with the Power of Command-Line.

A minimalistic decorator for the design by contract pattern written in a just little more than 100 lines of modern Python 3.10 code (not counting documentation and logging).

A minimal PyTorch re-implementation of the OpenAI GPT (Generative Pretrained Transformer) training.

Sandboxing python modules without changing your code.

Python library containing different modules to build circuits.

kLoop is an implementation of the Python asyncio event loop written in Cython, using io_uring and kTLS features of the Linux kernel, therefore called k(ernel)Loop.

New Releases

Python in Visual Studio Code – July 2022 Release
This release includes inlay type hints with Pylance and improvements to the setup experience with Jupyter notebooks. If you’re interested, you can check the full list of improvements in our changelogs for the Python, Jupyter and Pylance extensions.

Python 3.11.0b4

Upcoming Events and Webinars

Virtual: PyLadies Dublin Meetup July 2022
There will be following talks
  • How encourage teenage girl to programming 
  • How to start career in python 
  • Supply Chain Security in OSS 

Pyninsula #30 - Palo Alto, CA
There will be following talks
  • Stop guessing, GET requesting
  • Jupyter for DevOps
  • Boost Code Quality with Pre-Commit Hooks 

PyDataMCR Meetup July 2022 - Manchester
There will be a talk, Race Against the Machine.

PyData Berlin July 2022 - Berlin, BE
There will be following talks
  • Large Language Models for Real-World Applications
  • Privacy in Machine Learning and Federated Learning
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