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#481 Ways to die

#481 Ways to die

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Topics covered in this episode: Dumb Ways for an Open Source Project to DieHow to create a pylock.toml lockfilehttps://github.com/facebook/LifeguardChoosing a Python Logging Library in 2026ExtrasJokeWatch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python TrainingThe Complete pytest CoursePatreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org / @mkennedy.codes (bsky)Brian: @brianokken@fosstodon.org / @brianokken.bsky.socialShow: @pythonbytes@fosstodon.org / @pythonbytes.fm (bsky) Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Monday at 11am PT. Older video versions available there too. Finally, if you want an artisanal, hand-crafted digest of every week of the show notes in email form? Add your name and email to our friends of the show list, we'll never share it. Michael #1: Dumb Ways for an Open Source Project to Die Core categories The maintainer leftThe maintainer is still thereSabotage and captureThe release pipeline brokeForce majeureThe world moved onThe project split - Examples Bulma PRs still from 2023, issues and PRs with no maintainer response for years, last release 1.5 years agodiskcache Similar, got hired by OpenAI, crickets after that Brian #2: How to create a pylock.toml lockfile Tim HopperTim walks through using uv, pip and pdm to create pylock.toml files.Recommendation: use uv export --format pylock.toml -o pylock.tomlHe also has How to install from a pylock.toml lockfile with pip but the short version is: use -r because tools treat it like a requirements file Michael #3: https://github.com/facebook/Lifeguard Lifeguard is a static analyzer to detect Lazy Imports incompatibilities and ease the adoption overhead for Lazy Imports in Python.I’m more excited about lazy imports after my Cutting Python Web App Memory Over 31% experienceSome Python patterns depend on imports executing immediately. For example: Module-level side effects — a module that registers a handler or modifies global state at import time will behave differently if that import is deferred.The registry pattern — a module that registers itself (e.g., adding to a global dict) when imported will silently fail to register under Lazy Imports.sys.modules manipulation — code that reads or writes sys.modules assumes prior imports have already executed.Metaclasses and __init_subclass__ — class creation side effects may depend on imports being resolved.Project Stage: Beta Lifeguard is in active development. We are aiming to be ready for general use by the Python 3.15 final release. Brian #4: Choosing a Python Logging Library in 2026 Ayooluwa Isaiah" which libraries matter, how they compare, where they overlap with the standard module, and when each one makes sense.”The slant with this article is the need to log json output, which seems reasonable as things like API entry and exit point logging will include json.Covered libraries standard library logging with a hat tip to python-json-logger Same site has a guide to setting up python-json-loggerstructlogLoguruLogbookpicologgingSome benchmarks with structlog, stdlib+json, and Loguru, with structlog coming out fasterI liked the Loguru example I’m going to have to try @logger.catch and logger.exception() for easily logging exceptions and serialize=True to enable JSON output. Extras Brian: When Women Stopped Coding - Planet Money segment , spotted on BlueSky from Savannah OstrowskiLean TDD is now leaner Still working on audio version, but some great changes in 0.7.1 version Ch 6, TDD Interpretations, move ATDD and some of BDD to chapterCh 7, Change name to TDD with Teams: BDD and ATDDCh 9, Lean TDD, streamline steps and chapterCh 10, Change name to Lean TDD with Teams: Lean ATDDCh 11, Lean TDD with AI, Add short discussion about guardrails and security Michael: New course: Python Web Security: OWASP Top 10 with Agentic AIAll courses now with Spanish subtitles, see announcement Joke: Stop texting me
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