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Python Weekly

Welcome to issue 567 of Python Weekly. Let's get straight to the links this week.

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News

Meta Moves PyTorch to Linux Foundation
The PyTorch Foundation will help maintain open collaboration and standardize resources for AI research. Meta will continue to invest in PyTorch and use it as our primary framework for AI research and production applications at the company.

Articles, Tutorials and Talks

Python Type Hints are Turing Complete
Grigore showed that Java generics are Turing complete by describing a reduction from Turing machines to Java subtyping. We apply Grigore’s algorithm to Python type hints and deduce that they are Turing complete. In addition, we present an alternative reduction in which the Turing machines are simulated in real time, resulting in significantly lower compilation times. Our work is accompanied by a Python implementation of both reductions that compiles Turing machines into Python subtyping machines.

A Theoretically Devastating Cyber Attack on America’s Gas Stations
Could an attacker with few lines of Python code shutting down over 7,000 fueling stations in the United States leave the nation crippled?

What does "if __name__ == '__main__' " do in Python?

One of the most common, and most misunderstood, lines in Python involves a variable _name_ and a string '__main__', and typically appears at the end of a module file. What does this line do? Is it required? How does it work?

Memory Management in Python
Understanding memory management is a superpower that will help you design memory-efficient applications and make it easier to debug memory issues. This post is a deep dive into the internals of CPython.

Building open source downscaling pipelines for the cloud
We describe our experiences building cloud-based data analysis pipelines for climate model downscaling, including specific challenges we faced and lessons we learned.

F-strings In Python: Everything You Need To Know

Python's F-strings are incredibly powerful. Knowing how to use them and taking advantage of their formatting options can significantly improve your ability to write logging messages and display information in an understandable manner. In this video, I'll take a deep dive into F-strings and demonstrate some of their uses.

Python Data Viz Cookbook
An interactive cookbook to create graphs with Python.

Create an auto-updating dataset on Kaggle with Deepnote
In this tutorial, we will set up our Deepnote environment to work with Kaggle, pull and clean some data from the internet, and then schedule the data to auto-update using Deepnote and the Kaggle library.

Finding a picture in an image without marking it up?
We often see pictures in images: comics, for example, combine several pictures into one. And if you have an entertainment app where people post memes, like in our iFunny, you’re going to run into that all the time. Neural networks are already capable of finding animals, people, or other objects, but what if we need to find but another image in the image? Let’s take a closer look at our algorithm so that you can test it with a notebook in Google Colaboratory and even implement it in your project.

Machine Learning From Scratch Full course

To master machine learning models, one of the best things you can do is to implement them yourself. Although it might seem like a difficult task, for most algorithms, it is actually easier than you think. So throughout the next 10 days, we will implement one machine learning algorithm each day using Python and sometimes the help of Numpy for certain calculations.

Evolution of Access Control Explained Using Python
This article presents three access control methods beginning with Access Control List (ACL) - the mechanism implemented by Multics - then explore Role Based Access (RBAC) followed by Attribute Based Access (ABAC).

Scaling Robinhood Crypto Systems
In this post, we dive into how we scaled our crypto systems, starting from the need to support hypergrowth in traffic, followed by an extended effort to align on our long-term crypto strategy.

Cheating at chess with a computer for my shoes

A Complete Guide to Python String Manipulation

Recipes from Python SQLite docs

Fine-tune GPT-3 Using Python to Create a Virtual Mental Health Assistant

Interesting Projects, Tools and Libraries

HiFiScan
Optimize the audio quality of loudspeakers.

deptry
A command line utility to check for obsolete, missing and transitive dependencies in a Python project.

ancv
Renders your (JSON) resume/CV for online & pretty terminal display.

Chard
A simple async/await task queue for Django. One process, no threads, no other dependencies.

Revup
Revolutionary commit-based code review and workflow tools for git/github.

s3sqlite
Query SQLite files in S3 using s3fs.

Odyssey
A piece of software that shows a traceroute of a URL redirect path.

New Releases

Python 3.11.0rc2

Upcoming Events and Webinars

Python Barcelona Meetup September 2022
There will be following talks

Crunching data to catch fraud
QR Codes: let us make some GIFs

Virtual: Tucson Python Meetup September 2022
There will be a talk, Intro to Pima County GIS and Geopandas.

PyData Tel Aviv Meetup September 2022
There will be following talks

DBSCAN for large-scale datasets and network security applications
MLOps for growing startups: why, when, and how
Tiny dataset–based topic modeling
From big data to small, high-quality data: fulfilling the promise of data-centric AI

PyData Berlin Meetup September 2022
There will be following talks

Prettymapp - Creating artsy maps with Streamlit & OpenStreetMap data
Software Design Pattern for Data Science

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