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Welcome to issue 503 of Python Weekly. Let's get straight to the links this week.

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Articles, Tutorials and Talks

OpenCV Python Course - Learn Computer Vision and AI

Learn how to use OpenCV for Computer Vision and AI in this full course for beginners. You will learn and get exposed to a wide range of exciting topics like Image & Video Manipulation, Image Enhancement, Filtering, Edge Detection, Object Detection and Tracking, Face Detection and the OpenCV Deep Learning Module.

Abstract Syntax Tree for Patching Code and Assessing Code Quality
How do we easily and scalably patch 100,000s of lines of source code? Read about how we used a simple yet powerful data structure – Abstract Syntax Tree (AST) to create a system that from one single central point, maps source code dependencies and in-turn patches all dependencies.

Building Python Projects at Scale with Pants
Learn how to build Python projects and monorepos at scale with the Pants Build System.

Boolean short-circuiting
This post explores what Boolean short-circuiting for the `and` and `or` operators is, and how to use this functionality to write more expressive code.

Python parameters primer
This post reviews the seven different types of parameters, and how Python assigns arguments to them.

Retool — the fastest way to build internal tools
If you need a frontend for a database or API with CRUD functionality, Retool is the low-code builder for developers to connect data, design your app with 50+ drag-and-drop React components, and customize everything with Javascript. SPONSOR

Async python in real life
Explore async using examples that you can run yourself and understand.

AI-Memer: Using Machine Learning to Create Funny Memes
How to create new memes using images from Wikimedia Commons and OpenImages with captions generated automatically by GPT-3 and GPT-Neo.

Flask JWT Authentication Tutorial
Here’s a step-by-step guide to implement Flask JWT Authentication with an example.

A complete Hugging Face tutorial
Learn how to build and train a vision transformer.

SciPy Tutorial (2021): For Physicists, Engineers, and Mathematicians

This from-scratch tutorial on SciPy is designed specifically for those studying physics, mathematics, and engineering. Before watching this, you may want to brush up on numpy.

Python Data Viz Libraries Compared
8 Popular Graphs Made with pandas, matplotlib, seaborn, and plotly.express.

PyCon US 2021 Videos

Speeding up Python with Rust, what works and what doesn't

How to Build Async API in Python with FastAPI

Easy Hypervisor Heap Visualization with PyPANDA and HeapInspect

2021 - The Year Windows Became a First Class Python Development Environment

Interesting Projects, Tools and Libraries

ElectricEye
Continuously monitor your AWS services for configurations that can lead to degradation of confidentiality, integrity or availability.

Gramformer
A framework for detecting, highlighting and correcting grammatical errors on natural language text.

WholeFoodsFrugality
A Tool to Find Sales at Grocery Chains.

PyTCP
PyTCP is an attempt to create a fully functional TCP/IP stack in Python. It supports TCP stream based transport with reliable packet delivery based on sliding window mechanism and basic congestion control. It also supports IPv6/ICMPv6 protocols with SLAAC address configuration.

Graph4NLP
Graph4nlp is the library for the easy use of Graph Neural Networks for NLP.

Openspeech
Open-Source Toolkit for End-to-End Speech Recognition leveraging PyTorch-Lightning and Hydra.

HyperLib
Library that contains implementations of machine learning components in the hyperbolic space.

Upcoming Events and Webinars

Virtual: San Francisco Python Meetup June 2021
There will be a talk, Automate formatting and linting your code with pre-commit.

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

Collaborative documentation as code with Git, Mkdocs and Pandoc
Shipping Python Apps using Podman

Virtual: PyData Cyprus June 2021
There will be a talk, Applying Reinforcement Learning in Industry.

Virtual: PyLadies Hamburg - Introduction to Apache Airflow Workshop

Virtual: Cleveland Python Meetup June 2021

Virtual: PyLadies London - Let's contribute to pandas workshop

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