#647 – SEPTEMBER 17, 2024
How to Use Conditional Expressions With NumPy where()
This tutorial teaches you how to use the where() function to select elements from your NumPy arrays based on a condition. You’ll learn how to perform various operations on those elements and even replace them with elements from a separate array or arrays.
REAL PYTHON
PythonistR: A Match Made in Data Heaven
In data science you’ll sometimes hear a debate between R and Python. Cosima says ‘why not choose both?’ She outlines a data pipeline that uses the best tool for each job.
COSIMA MEYER
Transcribe Audio in 5 Lines of Code
Build AI apps that understand speech with insanely accurate speech-to-text models. Sign up for a free account and get $50 in credits to try AssemblyAI’s speech recognition models →
ASSEMBLY AI sponsor
Python HTTP Clients: Requests vs. HTTPX vs. AIOHTTP
Learn about the differences between Requests, HTTPX, and AIOHTTP, and when to use each library for your Python projects.
GEORGES HAIDAR
Quiz: Generate Images With DALL·E and the OpenAI API
In this quiz, you’ll test your understanding of generating images with DALL·E by OpenAI using Python. You’ll revisit concepts such as using the OpenAI Python library, making API calls for image generation, creating images from text prompts, and converting Base64 strings to PNG image files.
REAL PYTHON
Quiz: The Walrus Operator: Python’s Assignment Expressions
In this quiz, you’ll test your understanding of the Python Walrus Operator. This operator was introduced in Python 3.8, and understanding it can help you write more concise and efficient code.
REAL PYTHON
Python Releases 3.12.6, 3.11.10, 3.10.15, 3.9.20, and 3.8.20
PYTHON.ORG
Python Release Python 3.13.0rc2
PYTHON.ORG
Articles & Tutorials
Python Community Divided Over CoC Enforcement
Over the last few months there has been a lot of back and forth in the Python community, especially on the forums, around changes to bylaws and how the Code of Conduct is enforced. This article covers the history and context of the events.
JAKE EDGE
Django: Rotate Your Secret Key, Fast or Slow
Django’s SECRET_KEY setting is used for cryptographic signing in various places, such as for session storage and password reset tokens. If you need to rotate it you can allow read-only use of the old key to smooth the transition.
ADAM JOHNSON
Posit Connect – Help Your Analytics Team Share and Collaborate
Tired of tediously send files and trying to use general-purpose collaboration tools? Posit Connect makes it easy to share, collaborate, and get feedback on your data science work including Jupyter notebooks, Plotly dashboards, Streamlit, Quarto, Shiny or other interactive analytics applications →
POSIT sponsor
Multiversion Python Thoughts
Armin has played around with enabling multiple versions of a library to be installed for the same instance of Python in the past, and recent feature additions to uv are making it come closer to fruition.
ARMIN RONACHER
How We Made Notebooks Load 10 Times Faster
“When we received feedback our Notebooks UI was taking too long too load, our engineers dove into ways to improve the developer experience — bringing some load times from 30 seconds down to less than one.”
LUIS NEVES
When to Use .__repr__() vs .__str__() in Python
In this video course, 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 course
Python Bytes Episode #400
The Python Bytes podcast just delivered show #400. This is a huge accomplishment. This episode celebrates the achievement, and also covers: Python 3.13RC, Docker with uv, the humanize project, and more.
PYTHON BYTES podcast
Improved print Readability With pprint
The pretty print module (pprint) provides more readable output for complex data structures and this post shows you how to use the library and what you can get out of it.
JUHA-MATTI SANTALA
“Next Level Python” Humble Bundle for Charity
Make mastering Python your mission: This mix of online courses, books, exercises, and productivity tools is here to help you succeed—whether you’re a beginner or a skilled Python pro. Support Girls Who Code and get Python books, software, and video courses collectively valued at $1,882 for a pay-what-you-want price →
HUMBLEBUNDLE.COM sponsor
Switching From pyenv to uv
Will has recently switched from using a variety of packaging tools to just using uv. This post is a summary of what needed to change when going from pyenv to uv.
WILL KAHN-GREENE
uv Under Discussion on Mastodon
There is a deep conversation going on about the longevity of uv on Mastodon and for those not on the platform, Simon has summarized it.
SIMON WILLISON
Why Not Comments
This post talks about why you might want to include information in your code comments about why you didn’t take a particular approach.
HILLEL WAYNE
How to Build a Perfect Docker Image for a Poetry Project
This article describes how to build a secure, fast to build, and lightweight Docker image for your Poetry-based project
CODEMAGEDDON • Shared by Sergey
Python macOS Framework Builds
Glyph explains just what a Framework is on macOS and why CPython on macOS should be built that way.
GLYPH LEFKOWITZ
Projects & Code
PSP (Python Scaffolding Projects)
GITHUB.COM/MATTEOGUADRINI • Shared by Matteo Guadrini
pocketpy: Portable Python 3.x Interpreter in Modern C
GITHUB.COM/POCKETPY
graphiti: Build Dynamic, Temporally-Aware Knowledge Graphs
GITHUB.COM/GETZEP
picows: Ultra-Fast Websocket Client and Server for Asyncio
GITHUB.COM/TARASKO
django-cotton: Component Based Design to Django Templates
GITHUB.COM/WRABIT
Events
PyData Amsterdam 2024
September 18 to September 21, 2024
PYDATA.ORG
Weekly Real Python Office Hours Q&A (Virtual)
September 18, 2024
REALPYTHON.COM
PyCon India 2024
September 20 to September 24, 2024
PYCON.ORG
PyCon TW 2024
September 21 to September 23, 2024
PYCON.ORG
DjangoCon US 2024
September 22 to September 27, 2024
DJANGOCON.US
PyBay 2024
September 23 to September 24, 2024
PYBAY.ORG
PyCon Africa 2024
September 24 to September 29, 2024
PYCON.ORG
PyData Paris 2024
September 25 to September 27, 2024
PYDATA.ORG
PyCon JP 2024
September 27 to September 30, 2024
PYCON.JP
Python Norte 2024
September 27 to September 29, 2024
PYTHONNORTE.ORG
PyCon Niger 2024
September 28 to September 30, 2024
PYCON.ORG
Happy Pythoning!
This was PyCoder’s Weekly Issue #647.
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