#594 – SEPTEMBER 12, 2023
Playing With Genetic Algorithms in Python
A Genetic Algorithm (GA) is an AI technique where random code is mutated and tested for fitness iteratively until a solution is found. This article shows you a couple of problems solved using GAs in Python. Associated HN discussion.
JOSEP RUBIÓ PIQUÉ
Generate Beautiful QR Codes With Python
In this tutorial, you’ll learn how to use Python to generate QR codes, from your standard black-and-white QR codes to beautiful ones with your favorite colors. You’ll learn how to format QR codes, rotate them, and even replace the static background with moving images.
REAL PYTHON
Finally—Pandas Practice That Isn’t Boring
You won’t get fluent with Pandas doing boring, irrelevant, toy exercises. Bamboo Weekly poses questions about current events, using real-world data sets—and offers clear, comprehensive solutions in Jupyter notebooks. Challenge yourself, and level up your Pandas skills every Wednesday →
BAMBOO WEEKLY sponsor
I’m Mr. Null. My Name Makes Me Invisible to Computers
NULL is a magic word in many computer languages. This article is by someone who has Null as a last name, and the consequences that entails. See also this Radiolab Podcast Episode for a similar topic.
CHRISTOHPER NULL
2023 Django Developers Survey
DJANGO SOFTWARE FOUNDATION
Python 3.12.0 Release Candidate 2 Available
CPYTHON DEV BLOG
Pandas 2.1.0 Released
PYDATA.ORG
Discussions
Why Prefer Indentation Over Block Markers?
STACKEXCHANGE.COM
Articles & Tutorials
Launching an HTTP Server in One Line of Python Code
In this tutorial, you’ll learn how to host files with a single command using an HTTP server built into Python. You’ll also extend it by making a miniature web framework able to serve dynamic content from HTML templates. Along the way, you’ll run CGI scripts and use encryption over HTTPS.
REAL PYTHON
Introducing flake8-logging
The Python standard library’s logging module is a go-to for adding observability to applications, but there are right and wrong ways to use it. This article is about a new linter that explicitly looks for problems with your logging calls.
ADAM JOHNSON
Fully Managed Postgres + Great Support
Crunchy Bridge is a different support experience. Our team is passionate about Postgres education giving you all the information and tools to make informed choices. If you’re a developer starting out or a more seasoned expert in databases, you’ll appreciate thorough, timely, and in-depth responses →
CRUNCHY DATA sponsor
Apple Vision Framework via PyObjC for Text Recognition
Learn how to use PyObjC to interface with the Apple Vision Framework and create a script to detect text in images. Become familiar with how PyObjC works and how it maps functions and methods from Objective C to Python.
YASOOB KHALID • Shared by Yasoob Khalid
Class Concepts: Object-Oriented Programming in Python
Python uses object-oriented programming to group data and associated operations together into classes. In this video course, you’ll learn how to write object-oriented code with classes, attributes, and methods.
REAL PYTHON course
Switching to Hatch
Oliver used Poetry for most of his projects, but recently tried out Hatch instead. This blog post covers what it took to get things going and what features he used, including how he ditched tox.
OLIVER ANDRICH
The Python Dictionary Dispatch Pattern
The dictionary dispatch pattern is when you keep references to functions in a dictionary and change code behavior based on keys. Learn how to use this pattern in practice.
JAMES GALLAGHER
Analysing and Parsing the Contents of PyPI
High-level statistics gathered from PyPI, including how popular language features are, project sizes (tensorflow accounts for 16% of the data on PyPI!) and growth.
TOM FORBES • Shared by Tom Forbes
Writing a C Compiler in 500 Lines of Python
This post details how to build a C compiler, step-by-step, using Python. A great intro to compilers. The target source is WASM, so learn a bit about that too.
THEIA VOGEL
Filters in Django: filter(A, B) vsfilter(A).filter(B)
An advanced dive into the Django ORM, how it handles joins, and what that means for your code.
APIROBOT.ME • Shared by Denis
My Favorite Python Tricks for LeetCode Questions
A collection of intermediate-level Python tricks and tools. Write more Pythonic code!
JJ BEHRENS
What Is Wrong With TOML?
Some YAML people talk about why TOML is too limited.
HITCHDEV.COM
Projects & Code
StrictYAML: Type-Safe, Restricted Subset of the YAML
HITCHDEV.COM
dara: Create Interactive Web Apps in Pure Python
GITHUB.COM/CAUSALENS
JobSpy: Scraper for LinkedIn, Indeed & ZipRecruiter
GITHUB.COM/CULLENWATSON
krypton: Data Encryption at Rest and IAM for Python
GITHUB.COM/KRPTN
iommi: Your First Pick for a Django Power Chord
GITHUB.COM/IOMMIROCKS
Events
Weekly Real Python Office Hours Q&A (Virtual)
September 13, 2023
REALPYTHON.COM
PyData Amsterdam 2023
September 14 to September 17, 2023
PYDATA.ORG
Python Atlanta
September 14 to September 15, 2023
MEETUP.COM
Kiwi PyCon 2023
September 15 to September 18, 2023
KIWIPYCON.NZ
PyCon CZ 2023
September 15 to September 18, 2023
PYCON.ORG
PyData Seattle: Language Creators Charity Fundraiser
September 19 to September 20, 2023
PYDATA.ORG
PyCon Uganda
September 21 to September 24, 2023
PYCON.ORG
PyCon UK 2023
September 22 to September 26, 2023
PYCONUK.ORG
Happy Pythoning!
This was PyCoder’s Weekly Issue #594.
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