~pycoders | Bookmarks (455)

Lazy Self-Installing Python Scripts With uv This post talks about how to manage all of your one-off small scripts using uv, especially if they have need of third party libraries. TREY HUNNER

Expression vs Statement in Python: What’s the Difference? In this tutorial, you’ll explore the differences between an expression and a statement in Python. You’ll learn how expressions evaluate to values, while statements can cause side effects. You’ll also explore the gray areas between them, which will enhance your Python programming skills. REAL PYTHON

Transferring Python Build Standalone Stewardship to Astral Gregory is the maintainer of the Python Standalone Builds project but due to changes in his life doesn’t have as much time to contribute. The folks at Astral have offered to take the project on. This note explains why. GREGORY SZORC

New Era of Slop Security Reports for Open Source Seth is the go-to security guy at Python and other open source projects. He, and others, have noticed an increase in automatically generated security reports which are often wrong. This post talks about what is going on and what you can do it if you maintain your own repository. SETH LARSON

PEP 767: Annotating Read-Only Attributes PEP 705 introduced the typing.ReadOnly type qualifier to allow defining read-only typing.TypedDict items. This PEP proposes using ReadOnly in annotations of class and protocol attributes, as a single concise way to mark them read-only. PYTHON.ORG

PyData NYC 2024 Talks Available This is a list of the talks from PyData NYC 2024. Topics include “Explaining Machine Learning Models with LLMS”, ” Using NASA EarthData Cloud & Python to Model Climate Risks”, “Unlocking the Power of Hybrid Search”, and more. YOUTUBE.COM video

Handling or Preventing Errors in Python: LBYL vs EAFP In this video course, you’ll learn about two popular coding styles in Python: look before you leap (LBYL) and easier to ask forgiveness than permission (EAFP). You can use these styles to deal with errors & exceptional situations in your code. You’ll dive into the LBYL vs EAFP discussion in Python. REAL PYTHON course

Testing Some Tidbits Ned needed a way to check if a string consisted entirely of zeros and ones. He posted some possible answers and got a bunch more back in return. This post shows all the answers and how he validated them. NED BATCHELDER

PyCon Australia 2024 Videos Released This is a collection of the talks from PyCon Australia 2024. Topics include “How Smart is AI?”, “Three Django Apps in a Trenchcoat”, “Rethinking Data Catalogs”, and more. YOUTUBE.COM video

Disposable Environments for Ad-Hoc Analyses This article talks about juv, a tool that builds on top of uv and brings better environment management to Jupyter notebooks. ERIC J. MA

PEP 766: Explicit Priority Choices Among Multiple Indexes “Package resolution is a key part of the Python user experience as the means of extending Python’s core functionality.” This PEP covers how package indexes should be merged as a spec for package management tools. PYTHON.ORG

Assessing PyPy Performance With π and Prime Numbers An exploration of PyPy, an alternative Python implementation written in Python, is performed through two computational tasks: estimating π using the Monte Carlo method and calculating prime numbers with the Sieve of Eratosthenes. CRISTIANOPIZZAMIGLIO.COM • Shared by Cristiano Pizzamglio

Posit Connect Cloud: Share the Work You Make With Streamlit, FastAPI, Shiny & Other FOSS Frameworks Posit Connect Cloud allows users to publish, host, and manage interactive apps, dashboards, Python models, APIs, and more. It offers a centralized, self-service platform for sharing Python-based data science. Amplify your impact by streamlining deployment and fostering sharing and collaboration → POSIT sponsor

Building a Chat Backend for Wikipedia Articles in Django This step-by-step article covers how to build a scalable chat backend using Django, Wikipedia data, OpenAI embeddings, and FAISS. YANN MALET