#570 – MARCH 28, 2023
Lessons Learned From Four Years Programming With Python
What are the core lessons you’ve learned along your Python development journey? What are key takeaways you would share with new users of the language? This week on the show, Duarte Oliveira e Carmo is here to discuss his recent talk, “Four Years of Python.”
REAL PYTHON podcast
Data Modeling, Parsing and Validation Using Pydantic
Pydantic is a Python library that provides data validation and settings management using Python type annotations. It allows developers to define a schema for their data, which includes the expected data types, default values, and validation rules.
SAMEER SHUKLA • Shared by Sameer Shukla
ChatGPT Outage: Here’s What Happened
On March 20th ChatGPT had an outage. It was caused by an asyncio redis-py client bug and also resulted in a data leak. Read more for details.
OPENAI.COM
Snyk Top 10: Python OSS Vulnerabilities Cheat Sheet
Deep dive into the most prevalent critical and high open source vulnerabilities found by Snyk scans of Python apps in 2022. Learn more about how these high-risk vulnerabilities might be impacting open source packages you are using today and how to fix them →
SNYK.IO sponsor
Docker No Longer Sunsetting the Free Team Plan
DOCKER.COM
GitHub Updated Their RSA SSH Host Key
GITHUB
The Python Package Index Launches a Blog
PYPI.ORG
Django 4.2 Release Candidate 1 Released
DJANGO SOFTWARE FOUNDATION
Articles & Tutorials
Ban 1+N in Django
The 1+N database anti-pattern is common: fetch some rows from the database then re-fetch specific rows to get all the items. An ORM can hide this away and make you not realize it is happening. This article talks about how to stop it in Django. With added meta-bonus: he links to how he attempted to write the article with ChatGPT.
ALEXANDER SCHEPANOVSKI
Deep Neural Nets: 33 Years Ago and 33 Years From Now
This article examines the original paper that proposed back propagation neural nets and relates what has changed and what is the same. Using that knowledge, it looks forward to what neural nets may be able to do decades from now. Includes accompanying code samples.
ANDREJ KARPATHY
The Best Way to Structure Your NoSQL Data Using Python
Data modeling can be challenging. The question that most often comes up is, “How do I structure my data?” The short answer: it depends. That’s why the Redis folks wrote a comprehensive e-book that goes through 8 different optimal scenarios and shows how to model them in Redis →
REDIS LABS sponsor
No-async async With Python
“A (reasonable) criticism of async is that it tends to proliferate in your code. In order to await something, your functions must be async all the way up the call-stack. Textual is an async framework, but doesn’t require the app developer to use the async.” Learn how Textual accomplishes async-agnosticism.
WILL MCGUGAN
reduce(): The Power of a Single Python Function
“While Python is not a pure functional programming language, you still can do a lot of functional programming in it. In fact, just one function – reduce() – can do most of it.” This article introduces you to reduce().
MARTIN HEINZ
When Should You Use .__repr__() vs .__str__() in Python?
In this tutorial, you’ll learn the difference between the string representations returned by .__repr__() vs .__str__() and understand how to use them effectively in classes that you define.
REAL PYTHON
How to Control Crowds with Python, OpenCV and InfluxDB
In this quick training, learn how to build a face recognition application using open source tools like OpenCV (Open Source Computer Vision Library) and InfluxDB time series platform. Github repository included.
INFLUXDATA sponsor
Use TOML for .env Files?
Using .env files to specify configuration environments can be handy, but problematic when it comes to multiple platforms. Some toolsets are starting to explore the use of TOML instead.
BRETT CANNON
Marketing for Developers
A few simple steps can make all the difference in whether your project gets noticed. This article is about Django projects, but most of the advice applies across all code bases.
ADAM HILL
Run a Flask Server Inside a Readonly Docker Container
Learn how to run a Python server inside a read-only Docker container and how to pre-bundle the SCSS and JS files in a separate step.
JON JAGGER
Apify Python SDK: Build and Manage Web Scraping Solutions in the Cloud
Build scrapers in the cloud and rely on the Apify platform for data storage, scheduling runs, and proxies.
APIFY sponsor
VS Code Shortcuts for Efficient Python Programmers
Learn keyboard shortcuts that will make you a more efficient and productive Python programmer with VS Code.
RODRIGO GIRÃO SERRÃO
Generate Images Using OpenAI and DALL·E 2
Learn how to use Python to interface with OpenAI’s API to do image generation.
IDOWU OMISOLA
Projects & Code
alpaca-lora: Instruct-Tune LLaMA Text Model
GITHUB.COM/CHRIS-ALEXIUK
workedon: Track Your Work From the Shell
GITHUB.COM/VISESHRP • Shared by Visesh Prasad
chatblade: A CLI Swiss Army Knife for ChatGPT
GITHUB.COM/NPIV
pooch: A Friend to Fetch Your Data Files
GITHUB.COM/FATIANDO
nicegui: Create Web-Based UI With Python
GITHUB.COM/ZAUBERZEUG
Events
Heidelberg Python Meetup
March 29, 2023
MEETUP.COM
PyStaDa
March 29, 2023
PYSTADA.GITHUB.IO
Weekly Real Python Office Hours Q&A (Virtual)
March 29, 2023
REALPYTHON.COM
SPb Python Drinkup
March 30, 2023
MEETUP.COM
PyTexas 2023
April 1 to April 3, 2023
PYTEXAS.ORG
Melbourne Python Users Group, Australia
April 3, 2023
J.MP
Happy Pythoning!
This was PyCoder’s Weekly Issue #570.
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