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Python vs JavaScript, Python Dev Survey 2019 Results, CPython 3.8.3 Released, and More

#421 – MAY 19, 2020
The PyCoder’s Weekly Logo
Python vs JavaScript for Pythonistas
Python and JavaScript are two of the most popular programming languages in the world. In this tutorial, you’ll take a deep dive into the JavaScript ecosystem by comparing Python vs JavaScript. You’ll learn the jargon, language history, and best practices from a Pythonista’s perspective.
REAL PYTHON

Python Developers Survey 2019 Results
The results of the 2019 Python Developers Survey, a joint effort from JetBrains and the Python Software Foundation, have been released. Some interesting takeaways: Flask continues to grow as the most popular web framework, about half of Python developers report using pytest for testing, and VS Code continues to grow rapidly in popularity with almost 1/4 Python developers using it as their main editor. Check it out!
JETBRAINS.COM

Python Developers Are in Demand on Vettery
Vettery is an online hiring marketplace that’s changing the way people hire and get hired. Ready for a bold career move? Make a free profile, name your salary, and connect with hiring managers from top employers today →
VETTERYsponsor

Finding Secrets by Decompiling Python Bytecode in Public Repositories
If you commit .pyc files to GitHub, or other public source control repositories, then all of your application secrets, such as AWS credentials and database passwords, can be reconstructed from the bytecode contained in these files.
JESSE LI

Python Caches Integers
Did you know that Python caches integers between -5 and 256? That is, these integer values are singletons, which means that any reference to one of them in your code references the same object in memory. Learn why Python does this and more in this short, but informative, article.
ARPIT BHAYANI

Optimizing Django ORM Queries
The Django ORM is powerful, but also abstract. It can give the illusion that operations are inexpensive. Learn how the ORM works under the hood and how you can optimize Django ORM queries to improve the performance of your web apps.
ROCIO ARAMBERRI

Call for Volunteers! Python GitHub Migration Work Group
The PSF is looking for volunteers to participate in a workgroup that will be involved with Python’s migration from bugs.python.org to GitHub.
PYTHON SOFTWARE FOUNDATION

Python 3.9.0b1 Is Now Available for Testing
“Python 3.9 is still in development. This release, 3.9.0b1, is the first of four planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release.”
CPYTHON DEV BLOG

Django 3.1 Alpha 1 Released
DJANGO SOFTWARE FOUNDATION

Python 3.8.3 Is Now Available
CPYTHON DEV BLOG


Discussions


Whats Is Your Decision Process Between CSV, JSON, XML, and SQL/NoSQL Database?
With so many formats for storing structured data, how do you choose which one to use?
REDDIT

Why Do These Two Functions Have Different Output?
How well do you know how generator expressions and for loops work?
REDDIT

Do You Use Walrus Operator := in Your Projects?
Do you walrus, coo coo ca choo?
REDDIT


Python Jobs


Senior Python Engineer (Remote)
GORGIAS

Senior Python Engineer (Remote, US East Coast Only)
ENTERRA SOLUTIONS

Fullstack Software Engineer (Remote)
CYBERCODERS

Sr Python Developer Django, Flask, DevOps (Remote)
CYBERCODERS

More Python Jobs >>>


Articles & Tutorials


How to Deprecate a PyPI Package
How do you deprecate a Python package that you’ve published to PyPI and want people to stop using? Should you just delete? Check out this guide to several ways to accomplish this task. You can also try the new yank feature supported by PyPI.
PAUL MCCANN

Subinterpreters for Python
PEP 554 exposes Python’s existing subinterpreter support so that Python programs can use multiple separate interpreters. The PEP was created in 2017, and the author Eric Snow thinks it’s time to finally accept or reject the proposal.
JAKE EDGE

Track the Performance of Your Python Applications in Real Time With Datadog
Monitor metrics, logs, and traces from your Python applications with Datadog APM—our tracing client auto-instruments Django, Redis, and other frameworks and libraries so you can get insights right away. Try it for yourself with a free, 14-day trial. →
DATADOGsponsor

Lessons From Adopting Python as a Team
How do you go about rewriting legacy ETL jobs in Python when you’re not Python developers?
AKSHAY PRABHU

Leveling Up Your Python Literacy and Finding Python Projects to Study
In your quest to become a better developer, how do you find Python code that is at your reading level? What are good code bases or projects to study? What are the things holding you back from leveling up your Python literacy? This week we have Cecil Phillip on the show to discuss all of these common questions. Cecil is a Senior Cloud Advocate at Microsoft.
REAL PYTHON podcast

What is Python Redis? Enhance Python With Redis – the Fastest In-Memory Cloud Database
Install redis-py & Python Redis Client. Explore how Redis can enhance Python capabilities. Learn how to use Connection Pooling, SSL, Reading & Writing, & Opening a Connection with redis-py.
REDIS LABSsponsor

Implementing gRPC Server Using Python
Your next API doesn’t need to be built with REST and JSON. How about gRPC and Protocol Buffers for better performance and structure?
TOWARDSDATASCIENCE.COM • Shared by Martin Heinz

Build a Markdown to HTML Conversion Pipeline Using Python
FLORIAN DAHLITZ • Shared by Florian Dahlitz

Untangling Python Decorators
REDOWAN DELOWAR • Shared by Redowan Delowar

Data Elixir: Data Science Newsletter
Data Elixir is an email newsletter that keeps you on top of the tools and trends in Data Science. Curated weekly with top picks from around the web.
DATAELIXIR.COM


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 →

azure-sdk-for-python: The Azure SDK for Python
GITHUB.COM/AZURE

py-spy: Sampling Profiler for Python Programs
GITHUB.COM/BENFRED

kneed: Knee Point Detection in Python
GITHUB.COM/ARVKEVI

detectron2: FAIR’s Next-Generation Platform for Object Detection and Segmentation
GITHUB.COM/FACEBOOKRESEARCH

zipfly: Write Large ZIP Archives Without Memory Inflation
GITHUB.COM/BUZONIO

macropy: Macros in Python: Quasiquotes, Case Classes, LINQ and More!
GITHUB.COM/LIHAOYI

py-pdf-parser: A New Tool for Extracting Information From PDFs
GITHUB.COM/JSTOCKWIN • Shared by Jake Stockwin

Little Ball of Fur: A NetworkX Extension Library for Graph Sampling
GITHUB.COM/BENEDEKROZEMBERCZKI • Shared by Benedek Rozemberczki

📆🐍 Upcoming Python Events


⋅ Python Web Conf 2020 (Remote) June 17–19, 2020
Happy Pythoning!
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Python Performance, Moving Django Models, the 2020 Python Language Summit, and More

Tuesday, May 12, 2020

Under Discussion: The Performance of Python #420 – MAY 12, 2020 VIEW IN BROWSER The PyCoder's Weekly Logo Under Discussion: The Performance of Python Victor Stinner and Julien Danjou sat down (

Python 3.9 Release Schedule, Documenting Tests, RegExes, Pythonic Lightsabers, and More

Tuesday, May 5, 2020

Python 3.9 Release Schedule #419 – MAY 5, 2020 VIEW IN BROWSER The PyCoder's Weekly Logo Python 3.9 Release Schedule In last week's episode we had the dates mixed up, here are the correct ones:

The End of the Python 2 Era, New Features in Python 3.9, Common Python App Layouts, and More

Tuesday, April 28, 2020

The Final Python 2 Release Marks the End of an Era #418 – APRIL 28, 2020 VIEW IN BROWSER The PyCoder's Weekly Logo The Final Python 2 Release Marks the End of an Era The final version of Python 2

Pythonic Video Conferencing, OOP Inheritance vs Composition, Faster Pandas, and More

Tuesday, April 14, 2020

Open Source Virtual Backgrounds With Python and OpenCV #416 – APRIL 14, 2020 VIEW IN BROWSER The PyCoder's Weekly Logo Open Source Virtual Backgrounds With Python and OpenCV With so much of the

Python + Arduino, Final Python 2.x Release, Effective Python 2nd Ed., and More

Tuesday, April 7, 2020

Arduino With Python: How to Get Started #415 – APRIL 7, 2020 VIEW IN BROWSER The PyCoder's Weekly Logo Arduino With Python: How to Get Started Discover how to use Arduino microcontrollers with

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