Python Bytes: #433 Dev in the Arena

Topics covered in this episode: <ul> <li><a href="https://github.com/k88hudson/git-flight-rules?featured_on=pythonbytes">git-flight-rules</a></li> <li><a href="https://snarky.ca/unravelling-t-strings/?featured_on=pythonbytes">Uravelling t-strings</a></li> <li><a href="https://github.com/Abdenasser/neohtop?featured_on=pythonbytes">neohtop</a></li> <li><a href="https://engineering.fb.com/2025/05/15/developer-tools/introducing-pyrefly-a-new-type-checker-and-ide-experience-for-python/?featured_on=pythonbytes">Introducing Pyrefly: A new type checker and IDE experience for Python</a></li> <li>Extras</li> <li>Joke</li> </ul><a href='https://www.youtube.com/watch?v=gFiSkcu4kU4' style='font-weight: bold;'data-umami-event="Livestream-Past" data-umami-event-episode="433">Watch on YouTube</a> About the show Sponsored by us! Support our work through: <ul> <li>Our <a href="https://training.talkpython.fm/?featured_on=pythonbytes">courses at Talk Python Training</a></li> <li><a href="https://courses.pythontest.com/p/the-complete-pytest-course?featured_on=pythonbytes">The Complete pytest Course</a></li> <li><a href="https://www.patreon.com/pythonbytes">Patreon Supporters</a></li> </ul> Connect with the hosts <ul> <li>Michael: <a href="https://fosstodon.org/@mkennedy">@mkennedy@fosstodon.org</a> / <a href="https://bsky.app/profile/mkennedy.codes?featured_on=pythonbytes">@mkennedy.codes</a> (bsky)</li> <li>Brian: <a href="https://fosstodon.org/@brianokken">@brianokken@fosstodon.org</a> / <a href="https://bsky.app/profile/brianokken.bsky.social?featured_on=pythonbytes">@brianokken.bsky.social</a></li> <li>Show: <a href="https://fosstodon.org/@pythonbytes">@pythonbytes@fosstodon.org</a> / <a href="https://bsky.app/profile/pythonbytes.fm">@pythonbytes.fm</a> (bsky)</li> </ul> Join us on YouTube at <a href="https://pythonbytes.fm/stream/live">pythonbytes.fm/live</a> to be part of the audience. Usually Monday at 10am 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 <a href="https://pythonbytes.fm/friends-of-the-show">our friends of the show list</a>, we'll never share it. Michael #1: <a href="https://github.com/k88hudson/git-flight-rules?featured_on=pythonbytes">git-flight-rules</a> <ul> <li>What are "flight rules"? <ul> <li>A guide for astronauts (now, programmers using Git) about what to do when things go wrong.</li> <li>Flight Rules are the hard-earned body of knowledge recorded in manuals that list, step-by-step, what to do if X occurs, and why. Essentially, they are extremely detailed, scenario-specific standard operating procedures. [...]</li> <li>NASA has been capturing our missteps, disasters and solutions since the early 1960s, when Mercury-era ground teams first started gathering "lessons learned" into a compendium that now lists thousands of problematic situations, from engine failure to busted hatch handles to computer glitches, and their solutions.</li> </ul></li> <li>Steps for common operations and actions <ul> <li><a href="https://github.com/k88hudson/git-flight-rules?tab=readme-ov-file#i-want-to-start-a-local-repository">I want to start a local repository</a></li> <li><a href="https://github.com/k88hudson/git-flight-rules?tab=readme-ov-file#what-did-i-just-commit">What did I just commit?</a></li> <li><a href="https://github.com/k88hudson/git-flight-rules?tab=readme-ov-file#i-want-to-discard-specific-unstaged-changes">I want to discard specific unstaged changes</a></li> <li><a href="https://github.com/k88hudson/git-flight-rules?tab=readme-ov-file#restore-a-deleted-file">Restore a deleted file</a></li> </ul></li> </ul> Brian #2: <a href="https://snarky.ca/unravelling-t-strings/?featured_on=pythonbytes">Uravelling t-strings</a> <ul> <li>Brett Cannon</li> <li>Article walks through <ul> <li>Evaluating the Python expression</li> <li>Applying specified conversions</li> <li>Applying format specs</li> <li>Using an Interpolation class to hold details of replacement fields</li> <li>Using Template class to hold parsed data</li> </ul></li> <li>Plus, you don’t have to have Python 3.14.0b1 to try this out.</li> <li>The end result is very close to an <a href="https://peps.python.org/pep-0750/#example-implementing-f-strings-with-t-strings">example used in PEP 750</a>, which you do need 3.14.0b1 to try out.</li> <li>See also: <ul> <li>I’ve written a pytest version, <a href="https://pythontest.com/unravelling-t-strings-pytest/?featured_on=pythonbytes">Unravelling t-strings with pytest</a>, if you want to run all the examples with one file.</li> </ul></li> </ul> Michael #3: <a href="https://github.com/Abdenasser/neohtop?featured_on=pythonbytes">neohtop</a> <ul> <li>Blazing-fast system monitoring for your desktop</li> <li>Features <ul> <li>Real-time process monitoring</li> <li>CPU and Memory usage tracking</li> <li>Beautiful, modern UI with dark/light themes</li> <li>Advanced process search and filtering</li> <li>Pin important processes</li> <li>Process management (kill processes)</li> <li>Sort by any column</li> <li>Auto-refresh system stats</li> </ul></li> </ul> <img src="https://blobs.pythonbytes.fm/neohop.png" alt="" /> Brian #4: <a href="https://engineering.fb.com/2025/05/15/developer-tools/introducing-pyrefly-a-new-type-checker-and-ide-experience-for-python/?featured_on=pythonbytes">Introducing Pyrefly: A new type checker and IDE experience for Python</a> <ul> <li>From Facebook / Meta</li> <li>Another Python type checker written in Rust</li> <li>Built with IDE integration in mind from the beginning</li> <li>Principles <ul> <li>Performance</li> <li>IDE first</li> <li>Inference (inferring types in untyped code)</li> <li>Open source</li> </ul></li> <li>I mistakenly tried this on the project I support with the most horrible abuses of the dynamic nature of Python, <a href="https://github.com/okken/pytest-check?featured_on=pythonbytes">pytest-check</a>. It didn’t go well. But perhaps the project is ready for some refactoring. I’d like to try it soon on a more well behaved project.</li> </ul> Extras Brian: <ul> <li><a href="https://www.youtube.com/watch?v=pqBqdNIPrbo">Python: The Documentary Official Trailer</a></li> <li>Tim Hopper added <a href="https://pydevtools.com/handbook/tutorial/setting-up-testing-with-pytest-and-uv/?featured_on=pythonbytes">Setting up testing with ptyest and uv</a> to his “Python Developer Tooling Handbook”</li> <li>For a more thorough intro on pytest, check out <a href="https://courses.pythontest.com?featured_on=pythonbytes">courses.pythontest.com</a></li> <li><a href="https://getpocket.com/farewell?featured_on=pythonbytes">pocket is closing</a>, I’m switching to <a href="https://raindrop.io?featured_on=pythonbytes">Raindrop</a> <ul> <li>I got one question about code formatting. It’s not highlighted, but otherwise not bad.</li> </ul></li> </ul> Michael: <ul> <li>New course! <a href="https://training.talkpython.fm/courses/polars-for-power-users?featured_on=pythonbytes">Polars for Power Users: Transform Your Data Analysis Game</a></li> <li><a href="https://github.com/apache/airflow/releases/tag/3.0.0?featured_on=pythonbytes">Apache Airflow 3.0 Released</a></li> <li><a href="https://pasteapp.io/paste-5?featured_on=pythonbytes">Paste 5</a></li> </ul> Joke: <a href="https://mkennedy.codes/posts/roosevelt-s-man-in-the-arena-but-for-developers/?featured_on=pythonbytes">Theodore Roosevelt’s </a><a href="https://mkennedy.codes/posts/roosevelt-s-man-in-the-arena-but-for-developers/?featured_on=pythonbytes">Man in the Arena</a><a href="https://mkennedy.codes/posts/roosevelt-s-man-in-the-arena-but-for-developers/?featured_on=pythonbytes">, but for programming</a>

https://pythonbytes.fm/episodes/show/433/dev-in-the-arena

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