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Python Weekly

Welcome to issue 517 of Python Weekly. Let's get straight to the links this week.

Articles, Tutorials and Talks

Solidity, Blockchain, and Smart Contract Course – Beginner to Expert Python Tutorial

This course will give you a full introduction into all of the core concepts in blockchain, smart contracts, solidity, NFTs/ERC721s, ERC20s, Coding Decentralized Finance (DeFi), python and solidity, Chainlink, Ethereum, upgradable smart contracts, and full stack blockchain development.

Drone control via gestures using MediaPipe Hands
Learn how to control DJI Tello using hand gesture recognition on drone`s camera video-stream.

User File Use
Maybe your app needs to handle files from users like profile pictures. Accepting files from others is tricky to do safely. In this article, we'll see the tools that Django provides to manage files safely.

How to setup a Custom Private Email Relay like Hide My Email - Part 1
The part 1 of the two part series explains why you should use a custom Private Email Relay and how you can set up one using AWS.

Here's A More Pythonic Factory Pattern

What would the Factory Pattern look like if it was invented today instead of in the 90s? I talk about the design principles behind the Factory Pattern, and how you can achieve the same thing, but even better, by using modern Python features.

Working in VS Code, PyCharm, Visual Studio, or Eclipse?
SonarLint is a Free & Open Source IDE Extension that offers more than 170+ unique rules to find Bugs, Vulnerabilities, Security Hotspots, and Code Smells in your Python code. Discover more SPONSOR

All The Ways to Compress and Archive Files in Python
Compress, decompress and manage archives and files with Python in all the formats you might ever need.

How To Use Templates in a Flask Application
In this tutorial, you’ll build a small web application that renders several HTML files. You’ll use variables to pass data from the server to the templates. Template inheritance will help you avoid repetition. You’ll use logic in templates such as conditionals and loops, use filters to modify text, and use the Bootstrap toolkit to style your application.

How to Solve Differential Equations in Python

Examined are first order ordinary differential equations (ODEs), coupled first order ODEs, and higher order ODEs.

Parallelizing Python Code
This article reviews some common options for parallelizing Python code, including process-based parallelism, specialized libraries, ipython parallel, and Ray.

Python Standalone Builds
This project produces self-contained, highly-portable Python distributions. These Python distributions contain a fully-usable, full-featured Python installation as well as their build artifacts (object files, libraries, etc).

Python Anti-Pattern

Psycopg3 Initial Review

OpenBSD's pledge and unveil from Python

How to Crawl the Web with Scrapy

Unravelling `async for` loops

Reverse-Engineering Apple Dictionary

Interesting Projects, Tools and Libraries

klara
Automatic test case generation for Python and static analysis library.

Phyterminal
Physics Renderer (using Pymunk as physics engine) for Terminal written in Python.

Mockachino
A mock JSON API in 10 seconds.

VCPlayerBot
Telegram bot to stream videos in telegram voicechat for both groups and channels. Supports live streams, YouTube videos and telegram media.

DeepLabCut
Official implementation of DeepLabCut: Markerless pose estimation of user-defined features with deep learning for all animals incl. humans.

SoaM
Provide a “batteries included” framework for forecasting and anomaly detection pipelines.

mkdocstrings
Automatic documentation from sources, for MkDocs.

HTM-pytorch
Implementation of Hierarchical Transformer Memory (HTM) for Pytorch.

Upcoming Events and Webinars

Virtual: PyLadies Dublin Meetup September 2021
There will be following talks

Multimedia Retrieval in Lifelogging
Sentiment Analysis Enhanced by User and Product Context

Virtual: DragonPy Meetup September 2021
There will be following talks

Self-Sovereign identity
Project isolation beyond requirements.txt
I/O operations on AWS: How to effectively train a deep learning model when data doesn't fit in RAM.
Using Ice Cream instead of `print()`

Virtual: PyData Hamburg Meetup September 2021
There will be following talks

Introduction to the Hugging Face ecosystem and a hands-on with the new SageMaker integration
Multimodal Transformers promise to handle any kind of data - text and images too! How far do they actually go?

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