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Mazes, Organizing Monoliths, Passing NumPy Arrays, and More

#586 – JULY 18, 2023 VIEW IN BROWSER
The PyCoder’s Weekly Logo
Mazes in Python Part 2: Storing and Solving
In part two of this two-part project, you’ll define a specialized binary file format to store a maze on disk, transform the maze into a traversable weighted graph, and use a graph search algorithm in the NetworkX library to find the solution.
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How We Organise Our Very Large Python Monolith
Kraken Technologies is an environmental tech company that does a lot of Python development. One of their applications is a monolith with over 27k modules. This article outlines how they keep all this organized and running.
DAVID SEDDON

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7 Ways to Share a NumPy Array Between Processes
If you’re doing multi-processing with NumPy you will need to pass arrays between processes. This article covers different ways of doing just that.
JASON BROWNLEE

Python 3.12.0 Beta 4 Released
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What Would You Want in Tomorrow’s CPython Build System?
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Articles & Tutorials


Unlock IPython’s Magical Toolbox for Your Coding Journey
IPython is a powerful tool that can prove useful on your journey to mastering Python. Its friendly interface will enable you to comfortably take control of your learning. In this tutorial, you’ll cover the basic concepts of using IPython and learn how its features can make coding efficient.
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Django: Find Test Flakiness by Randomly Ordering QuerySets
Sometimes code depends on the order of a QuerySet while not specifying an order. This can lead to random, flaky test failures because databases can return rows in any order when none is specified. Learn how to randomly order your QuerySet when under test to detect this weird problem.
ADAM JOHNSON

Automate Slack and Microsoft Teams Notifications using Python
Integrating with the Slack and Microsoft APIs is fairly straightforward, implementing these tools as a part of a full-featured notification system that embeds with your app experience can be far more daunting. Make these tools a seamless part of how your app communicates with users. Learn how →
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Python and Rust Async Web Server Performance
This post compares asynchronous web performance between a Python application using Uvicorn and a Rust application using Axum. A similar data-serving program is written in both applications with very little performance difference.
JOHN LOCKWOOD

Security Developer-in-Residence: Weekly Report #2
The new Security Developer-in-Residence at the Python Software Foundation writes about the Software Bill of Materials and how it can programmatically tell you exactly what is in a distribution, including compiled libraries.
SETH LARSON

Jupyter Widgets Made Easy With anywidget
“anywidget is a Python library that makes it simple and enjoyable to create custom Jupyter Widgets.” It allows for quick prototyping, and because it is Python can be used across environments.
TREVOR MANZ

Adding Tail Call Optimization to Python
Tail call optimization is a technique provided in some languages to avoid growing the stack with recursive algorithms. Python doesn’t have it, but this article shows how you can build it.
JONAS OTTEN

How Python Uses Garbage Collection
This article outlines how Python stores variables as references and how that relates to memory management.
KARISHMA SHUKLA

State of WASI Support for CPython: June 2023
This post from Brett covers the current state of WebAssembly targets in Python.
BRETT CANNON

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Ode to Ptyon
A lighthearted poem about a certain well-known programming language.
MEDIUM.COM/@PETEFISON • Shared by Pete Fison

The Problem With LangChain
LangChain is a Python and JavaScript library for interfacing with OpenAI’s GPT and other models for text generation. But, it “is complicated, so it must be better. Right?”
MAX WOOLF


Projects & Code


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Neurokernel: Platform to Emulate a Fruit Fly Brain
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panflute: Filters for Pandoc
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GPTerm: Turn Plain Text Into Shell Commands
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litechain: Build Robust, Composable LLM Applications
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quart: An Async Python Micro Web Framework
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Python 3.12 Profiler, Netflix, Numba Vectorize, and More

Tuesday, July 11, 2023

Python 3.12 Preview: Support for the Linux Perf Profiler #585 – JULY 11, 2023 VIEW IN BROWSER The PyCoder's Weekly Logo Python 3.12 Preview: Support for the Linux Perf Profiler Python 3.12 will be

Fast range(), Alternate Interpreters, PSF Security Dev, and More

Tuesday, July 4, 2023

Why Are Membership Tests So Fast for `range()` in Python? #584 – JULY 4, 2023 VIEW IN BROWSER The PyCoder's Weekly Logo Why Are Membership Tests So Fast for range() in Python? In Python, range() is

Search DSLs, CircuitPython, Debugging Kubernetes, and More

Tuesday, June 27, 2023

Building Search DSLs With Django #583 – JUNE 27, 2023 VIEW IN BROWSER The PyCoder's Weekly Logo Building Search DSLs With Django A Domain Specific Language is a small language for a particular

Faster Python Plan, Community, Hating AsyncIO, and More

Tuesday, June 20, 2023

Faster Python 3.13 Plan #582 – JUNE 20, 2023 VIEW IN BROWSER The PyCoder's Weekly Logo Faster Python 3.13 Plan This brief outline highlights the plan for the faster CPython project for the 3.13

Zen of Python, JupyterLab 4.0, Zelda Puzzle, and More

Tuesday, June 13, 2023

What's the Zen of Python? #581 – JUNE 13, 2023 VIEW IN BROWSER The PyCoder's Weekly Logo What's the Zen of Python? In this tutorial, you'll be exploring the Zen of Python, a collection

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