#485 – AUGUST 10, 2021
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Mistakes happen to everyone. But what do you do if you make a mistake when releasing a package to PyPI? Don’t panic! There are a number of things you can do to fix a bad release. This article walks you through several scenarios and suggested solutions.
End-to-end (E2E) testing is a crucial step in delivering high-quality software, but the ins and outs of E2E can be challenging. You often need multiple, separate services to talk to each other during tests, and coordinating this can be difficult. Learn some approaches for E2E test development and how the new Cornell Python package can help make your life easier.
Analyze your Python apps’ performance by drilling into error traces with Datadog’s App Analytics to debug and optimize Python code. Trace requests end-to-end across web servers, databases, and services in your environment and start visualizing your apps’ performance with Datadog APM free →
In this tutorial, you’ll learn about assignment expressions and the walrus operator. The biggest change in Python 3.8 was the inclusion of the := operator, which you can use to assign variables in the middle of expressions. You’ll see several examples of how to take advantage of this new feature.
Are you a Django user? The Django Software Foundation wants to hear from you!
DJANGO SOFTWARE FOUNDATION
Learn all about Rich and Textual in this Q&A thread with the libraries’ author. Ever wondered what Will thinks of the new pattern matching feature coming in Python 3.10, or whether plots will ever come to Rich or Textual? Find out here!
Articles & Tutorials
The Django Rest Framework (DRF) allows you to build REST APIs on top of Django. This article explores some recipes for various tasks in DRF taken from the author’s real-world experience.
Have you heard of FastAPI? An application programming interface is vital to make your software accessible to users across the internet. FastAPI is an excellent option for quickly creating a web API that implements best practices. This week on the Real Python Podcast, David Amos is back, and he’s brought another batch of PyCoder’s Weekly articles and projects.
REAL PYTHON podcast
Rev.ai is the most sophisticated automatic speech recognition in the world. Our speech-to-text APIs are more accurate, easier to use, and have less bias than competitors like Google, Amazon, and Microsoft. Try Rev.ai free for five hours right now →
NumPy has a built-in memory view feature that helps reduce memory usage for large arrays. But in some cases, memory views can cause higher memory usage, and even cause bugs by mutating data in unexpected ways. Learn how memory views work, what common issues are, and some takeaways to help you decide when memory views are a good choice.
In this step-by-step course, you’ll learn how to use the Python return statement when writing functions. Additionally, you’ll cover some good programming practices related to the use of return. With this knowledge, you’ll be able to write readable, robust, and maintainable functions in Python.
REAL PYTHON course
Ah, Django proxy models and the power they hold! Yet, the implementation aftermath can highlight a number of unwanted side-effects. Here’s a couple of tips when working with Django proxies that will make end-users grateful and developers sigh in relief.
NICCOLÒ MINEO • Shared by Niccolò Mineo
Projects & Code
GITHUB.COM/BAGUASYS • Shared by Xiangru Lian
This was PyCoder’s Weekly Issue #485.
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