Issue #498

Custom Python for Banks, CLI Apps With Typer, Faster CPython, and More

Nov. 9, 2021

Custom Python for Banks, CLI Apps With Typer, Faster CPython, and More
#498 – NOVEMBER 9, 2021 VIEW IN BROWSER
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An Oral History of Bank Python
Interesting read about the strange world of Python, as used by big investment banks: “Bank Python implementations are effectively proprietary forks of the entire Python ecosystem which are in use at many (but not all) of the biggest investment banks.”
CAL PATERSON

CPython Developer in Residence Weekly Report, November 1–7
“Python 3.9.8 got released this week! At this point in the 3.9 lifecycle this should be a relatively uneventful release. Instead, it took us a few days of work to get it out of the door. I still managed to squeeze in 51 closed PRs and even organized a meeting between the core developers and Daan Leijen, the author of mimalloc.”
ŁUKASZ LANGA

Measure the Health and Performance of Your Python Applications With Datadog APM
Quickly troubleshoot errors in your Python code with Datadog’s Continuous Profiler to optimize the performance of your applications. Find the most resource-consuming parts in your production code all the time, at any scale. Improve MTTR, enhance user experience, and reduce overhead. Try it free →
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Build a Command-Line To-Do App With Python and Typer
Follow along this step-by-step project to create a to-do application for your command line using Python and Typer. While you build this app, you’ll learn the basics of Typer, a modern and versatile library for building command-line interfaces (CLI).
REAL PYTHON

Python Software Foundation: 2021 End of the Year Fundraiser
“The PSF launched its end-of-the-year fundraiser. There are two ways to donate: 1. donate directly to the PSF or 2. purchase a discounted PyCharm license, with all proceeds going to the PSF. Contributing to the PSF financially helps sustain programs that support the larger Python community.”
PYTHON SOFTWARE FOUNDATION

Python 3.9.8 and 3.11.0a2 Are Now Available
CPYTHON DEV BLOG


Discussions


What Are Your Top Signs of an Inexperienced Python Developer?
REDDIT

What’s the Difference Between str.isdigit, isnumeric and isdecimal?
STACK OVERFLOW


Python Jobs


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Sr Python Engineer (Anywhere)
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Senior Software Engineer (USA)
TOMO

Tutorial Editor (Anywhere)
REAL PYTHON

Full Stack Software Engineer Django/Postgres/React (Washington D.C., USA)
QUORUM

Senior Software Engineer (Washington D.C., USA)
QUORUM

Full Stack Developer (Anywhere)
LEVEL 12

Software Engineer (Anywhere)
1POINT21 INTERACTIVE

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Articles & Tutorials


Exploring Django Templates, Tags, and Filters
Are you getting the most out of the Django framework? It’s a powerful web framework if you’re not interested in reinventing the wheel. Django includes a useful template system with inheritance for composing reusable HTML. This week on the show, Real Python author Christopher Trudeau shares his Django tips and tricks.
REAL PYTHON podcast

Build a Content Aggregator in Python
In this project-based tutorial, you’ll build a content aggregator from scratch with Python and Django. Using custom management commands, feedparser, and django-apscheduler, you’ll set up an app to periodically parse RSS feeds for Python podcasts and display the latest episodes to your users.
REAL PYTHON

Cheat Sheet: 9 Python Security Best Practices
Most Python frameworks like Django have debugging switched on by default. Set DEBUG = False in production to prevent information leaks, plus learn 8 more tips in the Python security cheat sheet →
SNYK.IOsponsor

Making Python Faster With Guido and Mark
“This episode is the first of several that dive into some of the active efforts to increase the speed of Python while maintaining compatibility with existing code and packages. Who better to help kick this off than Guido van Rossum and Mark Shannon?”
TALK PYTHON podcast

Using plt.scatter() to Visualize Data in Python
In this course, you’ll learn how to create scatter plots in Python, which are a key part of many data visualization applications. You’ll get an introduction to plt.scatter(), a versatile function in the Matplotlib module for creating scatter plots.
REAL PYTHON course

How to Secure Your Python Software Supply Chain
A new kind of cyber threat has come to light recently: software supply chain attacks. While rare, they have massive impacts. This article describes the most common attacks in the Python ecosystem and gives hints on how to prevent them.
BENOÎT GOUJON • Shared by Benoît Goujon

Get Your Next Python Job Through Hired
Hired is home to thousands of companies from startups to Fortune 500s actively hiring developers, data scientists, mobile engineers & more. Create a profile & let hiring managers reach out to you. It’s completely free for job-seekers, so don’t wait!
HIREDsponsor

Understand Django: Command Your App
With this Understand Django article, you’ll learn about commands. Commands are the way to execute scripts that interact with your Django app. Learn about built-in commands and how to build your own.
MATT LAYMAN • Shared by Matt Layman

Managing Dependencies in a Python Project
A high-level overview of managing dependencies in a Python project, why there’s more than one way to do it and what are the tradeoffs between them.
JACEK KOŁODZIEJ • Shared by Jacek Kołodziej

PEP 672: Unicode-Related Security Considerations for Python
“This document explains possible ways to misuse Unicode to write Python programs that appear to do something else than they actually do.”
PYTHON.ORG


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 →

pyheat: Python Profiling With Heatmaps
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angle: New Speakable Syntax for Python
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sneklang: Python-Inspired Language for Embedded Devices
SNEKLANG.ORG

Pyjion: A Drop-in JIT Compiler for Python 3.10
TRYPYJION.COM

cog: Python File Generation Tool
NED BATCHELDER

django-simple-deploy: Django App That Configures Your Project for Deployment
GITHUB.COM/EHMATTHES • Shared by Eric Matthes

📆🐍 Upcoming Python Events


⋅ Weekly Real Python Office Hours Q&A (Virtual) November 10, 2021

⋅ Python Miami November 13 to November 14, 2021

⋅ Django Girls Groningen November 13, 2021

⋅ PyCon Japan 2021 November 15 to November 16, 2021

⋅ deploy by DigitalOcean November 16 to November 17, 2021

⋅ Women Who Code CONNECT Forward 2021 November 18 to November 20, 2021

⋅ PyCon APAC 2021 November 19 to November 24, 2021
Happy Pythoning!
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