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Python Weekly

Welcome to issue 549 of Python Weekly. Let's get straight to the links this week.

Articles, Tutorials and Talks

A Simple & Effective Way To Improve Python Class Performance

There's a very simple way to improve Python performance of your code. And you know what's so nice about this performance improvement? It also nudges you to use good Python software design practices - it's a win-win!

A most vexing parse, but for Python packaging
This post is about a minor parsing ambiguity in the Python packaging ecosystem, one that cannot be resolved without additional context that isn’t captured by the packaging standards.

Introduction to Linear Programming in Python
Mathematical optimization with Google OR-Tools.

Python decorator patterns
This post shows you toy implementations of Python decorator patterns such as @measure, @repeat, @trace, @count, @singleton, and @app.route (made famous by Flask).

Introducing Woodwork
Woodwork is a Python library that provides robust methods for managing and communicating data typing information. Woodwork can be used as a part of your existing workflow to properly type your data and communicate your data types to downstream processes.

Django Friday Tips: Less known builtin commands
Django management commands can be very helpful while developing your application or website, we are very used to runserver, makemigrations, migrate, shell and others. Third party packages often provide extra commands and you can easily add new commands to your own apps. Lets take a look at some less known and yet very useful commands that Django provides out of the box.

Celery Alternative for Django - Huey
Trying out a lightweight asynchronous task queue as an alternative to Celery with Django.

Adding GraphQL to your Django App
There are a variety of choices when it comes to libraries to assist you in adding GraphQL support to your application. The two main contenders are Graphene and Strawberry, both of which have specific Django extensions (graphene-django and strawberry-graphql-django) that use introspection on your models in building out the types for the API.

Managing Python versions with pyenv
This post shows you how easy it is to manage different Python versions either on a per-user or a per-project basis with pyenv.

Python for DevOps Master Class 2022: CI/CD, Github Actions, Containers and Microservices

Modern Python performance considerations

Brief Descriptions of a Python to C++ Translator

Deploying Django To App Engine With Github Actions

Interesting Projects, Tools and Libraries

Freshenv
A cli to provision and manage local developer environments.

django-pgpubsub
A distributed task processing framework for Django built on top of the Postgres NOTIFY/LISTEN protocol.

TatSu
TatSu generates Python parsers from grammars in a variation of EBNF

CaskDB
CaskDB is a disk-based, embedded, persistent, key-value store based on the Riak's bitcask paper, written in Python.

rashell
rashell is a Relational Algebra Shell. It provides a domain-specific language (DSL) to define and populate relational models and a read–eval–print loop (REPL) interface to query relational models using relational algebra operations.

ADS
Store data in soundwaves.

Heimdall
Powerful Ethereum Smart-Contract Toolkit.

New Releases

Python in Visual Studio Code – May 2022 Release
With this release we’re introducing three new extensions: Black, isort, and Jupyter Powertoys.

Python 3.11.0b1

Upcoming Events and Webinars

Virtual: PyLadies London Meetup May 2022
There will be a talk, How Python is Relevant to Blockchain in the Future and How to Stay Relevant.

PyLadies Paris Meetup May 2022
There will be following talks

Building Machine Learning demos and Data Applications using Python
Accessing Data at Scale to Power Precision Medicine with Federate Learning

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Python Weekly - Python Weekly - Issue 549

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