Issue #406 (Feb. 4, 2020) (37)

How We Retired Python 2 and Improved Developer Happiness “Now that LinkedIn engineering has fully embraced Python 3, we no longer have to worry about supporting Python 2 and have seen our support loads decrease. We can now depend on the latest open source libraries and tools, and free ourselves from the constrictions of having to write bilingual Python.” BARRY WARSAW

Python “!=” Is Not “is not”: Comparing Objects in Python In this quick and practical tutorial, you’ll learn when to use the Python is, is not, == and != operators. You’ll see what these comparison operators do under the hood, dive into some quirks of object identity and interning, and define a custom class. REAL PYTHON

Clean Code Concepts Adapted for Python “Software engineering principles, from Robert C. Martin’s book Clean Code, adapted for Python. This is not a style guide. It’s a guide to producing readable, reusable, and refactorable software in Python.” RIGEL DI SCALA

The 22 Most-Used Python Packages in the World “As a starting point, I took a list of the most downloaded Python packages on PyPI over the past 365 days. Let’s dive in and find out what they do, how they’re related, and why they rank so high!” ERIK-JAN VAN BAAREN

How I’m Testing in 2020 “Everything I’m currently doing for testing my personal [Python] projects, and the reasoning for why I do things the way I do.” Interesting read if you’re looking to optimize your testing setup. JAMES BENNETT

Alpine Linux Can Make Python Docker Builds Slower & Larger “When you’re choosing a base image for your Docker image, Alpine Linux is often recommended. […] But if you’re using Python, Alpine Linux will quite often: Make your builds much slower. Make your images bigger. Waste your time.” Related discussion on Hacker News. ITAMAR TURNER-TRAURING

Sets in Python Learn how to work with Python’s set data type. You’ll see how to define set objects in Python and discover the operations that they support. By the end of this course, you’ll have a good feel for when a set is an appropriate choice in your own programs. REAL PYTHON video

Using a Flask Blueprint to Architect Your Applications In this tutorial, you’ll learn how to use a Flask Blueprint to help you structure your application by grouping its functionality into reusable components. You’ll learn what Blueprints are, how they work, and how you can use them to organize your code. REAL PYTHON

Typed Functional Dependency Injection in Python “Dependency injection is a controversial topic. There are known problems, hacks, and even whole methodologies on how to work with DI frameworks. It is not the case when using a functional approach.” SOBOLEVN.ME • Shared by Nikita Sobolev

Configuring uWSGI for Production Deployment Tips about avoiding known gotchas when configuring uWSGI to host services at scale — while still providing a base level of defensiveness and high reliability. PETER SPERL & BEN GREEN (BLOOMBERG)

Blackfire Profiler Public Beta Open—Get Started in Minutes Blackfire Profiler now supports Python, through a Public Beta. Profile Python code with Blackfire’s intuitive developer experience and appealing user interface. Spot bottlenecks in your code, and compare code iterations profiles. BLACKFIRE sponsor

Surviving the Zombie Apocalypse With the Random Search Algorithm “Pure python implementation of the random search optimization algorithm as an alternative to the standard gradient descent, given a very silly example.” OLEG ŻERO

Solving the “Best Size” Problem in Python, kdb+ and BigQuery FERENC BODON • Shared by Ferenc Bodon

Python 2 EOL: Survey Results ActiveState surveyed Python users on how they’ve been preparing for Python 2 End of Life. Find out how your plans stack up, and which pitfalls to avoid. Get the survey results → ACTIVESTATE sponsor

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