One Database Transaction Too Many, State of Python Packaging in 2021, Final Python 3.10 Beta Released, and More

#481 – JULY 13, 2021 VIEW IN BROWSER
The PyCoder’s Weekly Logo
One Database Transaction Too Many
Learn how a bug was born — one that resulted in hundreds of users of an application getting a notification that they had been paid when in fact they had not! In this story, Haki Benita shares how a slip-up with Django signals caused him and his team quite a headache. You’ll learn how the application was architected, how the bug occurred, and how they fixed it, along with some other remedies to consider.

The State of Python Packaging in 2021
What does Python packaging look like in 2021? What are the best tools to use? In this article, you’ll see one developer’s opinion about the state of Python packaging in 2021, what tools they are using the most often, and some thoughts on how the situation can continue to improve moving forward.

Monitor Errors & Performance in your Python Apps = Keep Users Happy
For software teams, monitoring code health is essential. From Error tracking to Performance monitoring, Sentry helps developers see clearer, solve quicker, and learn continuously about their applications - from frontend to backend. Try Sentry for free → with code: PYCODERS

Python News: What’s New From June 2021?
June 2021 was full of notable events in the Python world! In this article, you’ll get caught up on what’s been happening with Python during this past month, including some changes at the Python Software Foundation and the announcement of a new recipient of the PSF Fiscal Sponsorship Program.

Python 3.10.0b4 Is Available
This is the last beta release, which means the next release will be the first release candidate.

Łukasz Langa Is the Inaugural CPython Developer-in-Residence

Python Jobs

Backend Software Engineer (Washington, D.C., USA)

Senior Cloud Platform Engineer (Berlin, Germany)

Software Engineer (Remote)

Backend Software Engineer (Remote)

Python Web Developer (Remote)

Senior Software Engineer (Remote)

More Python Jobs >>>

Articles & Tutorials

Exploring the functools Module and Complex Numbers in Python
Are you ready to expand your Python knowledge into the intermediate to advanced territory? What tools are awaiting your discovery inside Python’s functools module? This week on the Real Python Podcast, David Amos is back, and he’s brought another batch of PyCoder’s Weekly articles and projects.

Pyflyby: Improving Efficiency of Jupyter Interactive Sessions
There’s a new tool in town that aims to improve Python developer focus and minimize distractions while coding, especially in Jupyter Notebooks. That new tool is pyflyby, and it can handle tidying up and collecting imports and exports from Python modules. For example, in a Jupyter Notebook, pyflyby can automatically import the right modules and functions from NumPy if you use something in a cell without importing it first.

Try Scout Free for 14-days, no CC Needed, and see why Developers Call Scout their Best Friend
Scout uses tracing logic to tie bottlenecks to source code so devs can get back to building great products instead of wasting time fixing performance issues. Our real-time alerting and streamlined dashboards provide the data insights necessary for any developer to become a performance pro →
SCOUT APMsponsor

Copilot Writes a Text-Based Game in Python
GitHub’s new Copilot feature has a lot of people talking. The project’s goal is to be an AI pair programmer — a tool that can suggest entire lines of code or even entire functions! In this amusing article, one developer who gained access to Copilot’s technical preview shares how the AI wrote an entire text-based adventure game that turned out to be the solution to an exercise from a Python instructional book.

Friendlier Tracebacks in REPLs (Including Jupyter)
Tracebacks are often the start of any Python debugging journey. But tracebacks can be difficult to read and confusing to beginners. The friendly-traceback project aims to lift the veil of confusion for tracebacks by providing more helpful error messages with lots of context. New updates to the project include better tracebacks in Jupyter Notebooks!

Get Feedback Faster with YourBase Test Acceleration
YourBase Test Acceleration can reduce testing and compute cost time by up to 90%. You don’t have to replace your CI, your build system, or your version control. Getting started is as easy as a pip install, and you don’t have to share any data.

The Square Root Function in Python
In this quick and practical course, you’ll learn what a square root is and how to calculate one in Python. You’ll even see how you can use the Python square root function to solve a real-world problem.

Projects & Code

Brought to you by Real Python for Teamssponsor
Online Python training created by a community of experts. Give your team the real-world Python skills they need to succeed →

jupyterlite: WASM Powered Jupyter Running in the Browser

pyflyby: A Set of Python Programming Productivity Tools

multipledispatch: A Relatively Sane Approach to Multiple Dispatch in Python

calcengine: Simple Python Calculation Engine

tryceratops: A Linter to Manage All Your Python Exceptions and Try/Except Blocks

django-postgres-extra: Bringing All of PostgreSQL’s Awesomeness to Django

📆🐍 Upcoming Python Events

⋅ Real Python Office Hours (Virtual) July 14, 2021

⋅ EuroPython 2021 (Virtual) July 26 – August 1, 2021

⋅ PyCon India 2021 (Virtual) September 17 – 20, 2021
Happy Pythoning!
Copyright © 2021 PyCoder’s Weekly, All rights reserved.
You are receiving this email because you opted in on our website at
Our mailing address: DevCademy Media Inc. · #720-999 West Broadway, Vancouver BC V5Z 1K5, Canada

Unsubscribe | Update Email Address

Older messages

Python Typeclasses, Custom DRF Permissions Classes, How to Count in Python, and More

Tuesday, July 6, 2021

Typeclasses in Python #480 – JULY 6, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo Typeclasses in Python Sometimes you need to change the behavior of a function based on the type of argument

Subclassing in Python, Correlation Analysis 101, Reversion Python Lists and Beyond, And More

Tuesday, June 29, 2021

Subclassing in Python Redux #479 – JUNE 29, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo Subclassing in Python Redux Have you ever heard someone say that composition is better than inheritance?

Pivot and Plot Data With Pandas, The Future of FastAPI and Pydantic, Complex Numbers in Python, And More

Tuesday, June 22, 2021

How to Pivot and Plot Data With Pandas #478 – JUNE 22, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo How to Pivot and Plot Data With Pandas One of the challenges of working with data is knowing

Python vs. Excel, Python CSV Practice Problems, Analyzing LEGO Prices, and More

Tuesday, June 15, 2021

Excel, Python, and the Future of Data Science #477 – JUNE 15, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo Excel, Python, and the Future of Data Science What's the most widely used tool in

70+ Python Projects, PEP 654 and Exception Groups, Context Managers, and More

Tuesday, June 8, 2021

PEP 654: Exception Groups and `except*` #476 – JUNE 8, 2021 VIEW IN BROWSER The PyCoder's Weekly Logo PEP 654: Exception Groups and except* Currently, Python's exception handling mechanisms

Alpine.js Weekly #69

Saturday, July 24, 2021

Alpine plugins are dropping, keep an eye on Caleb Porzio's announcements. 🥳 New Alpine Plugin: Persist 🍾 Easily persist data across page loads by using a nifty little decorator function: $persist()

Olympics: Scammers are trying to cash in on the Olympic Games

Saturday, July 24, 2021

Smart Cities Robotic Challenge; KDE is to Linux what 7 was to Windows Subscription | Read Online | Twitter Facebook LinkedIn Top Story of the Day July 23, 2021 Top Story of the Day Scammers offer

Weekly Xamarin - Issue 313

Saturday, July 24, 2021

Moar MAUI! Weekly Xamarin View on the Web Archives ISSUE 313 24th July 2021 KYM PHILLPOTTS G'day Everyone, We are now on the downhill slope towards MUAI releases and you can really see it in the

[Python Dependency Pitfalls] "Re-inventing the wheel" disease

Saturday, July 24, 2021

Hey there, PyPI, the Python packaging repository, now contains more than 100000 third-party packages in total. That's an *overwhelming* number of packages to choose from... And this feeling of

The Plastic World of RealSelf

Saturday, July 24, 2021

Cyberbits #10: “The TripAdvisor of Boob Jobs” ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌

The Framework Laptop is now shipping — BirdNet – Identify Birds by Sound — and AWS's Egregious Egress

Friday, July 23, 2021

Issue #473 — Top 20 stories of July 24, 2021 Issue #473 — July 24, 2021 You receive this email because you are subscribed to Hacker News Digest. You can open it in the browser if you prefer. 1 The

Daily Crunch - Bitcoin 'is a big part of our future,' says Twitter CEO Jack Dorsey

Friday, July 23, 2021

TechCrunch Newsletter TechCrunch logo The Daily Crunch logo Friday, July 23, 2021 • By Alex Wilhelm Hello and welcome to Daily Crunch for July 23, 2021. It's been an interesting week for the crypto

Software Testing Weekly - Issue 81

Friday, July 23, 2021

Do you ask the right questions? View on the Web Archives ISSUE 81 July 23rd 2021 COMMENT Welcome to the 81st issue! Here's one thing I'd like to highlight this week. It's a meaningful post

The Dial-Up Volunteer Army 💾

Friday, July 23, 2021

How AOL was built on a an army of unpaid volunteers. Here's a version for your browser. Hunting for the end of the long tail • July 23, 2021 Today in Tedium: In some ways, social media started with

JSK Daily for Jul 23, 2021

Friday, July 23, 2021

JSK Daily for Jul 23, 2021 View this email in your browser A community curated daily e-mail of JavaScript news Snapshot Testing for Frontends There are many types of software testing. Among these, one