Python Bytes

Topics covered in this episode: Habits of great software engineers Flask 3.0 Build Conway's Game of Life With Python polars business Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Habits of great software engineers As we wind up the year, many people are thinking about goals for the new year. Here’s a decent list to think about Focusing beyond the code Efficiency / Antifragility Joy of tinkering Knowing the why Thinking in systems Tech detox The art of approximation Transferring Knowledge to Other Problems Making Hard Things Easy Playing the Long Game Developing a Code Nose Strong Opinions loosely held Michael #2: Flask 3.0 Deprecate the __version__ attribute. Use feature detection, or importlib.m

Topics covered in this episode: The many shapes and sizes of keyboards appeal - a CLI framework from Larry Hastings Graphinate: Data to Graphs A Disorganized List of Maintainer Tasks Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: The many shapes and sizes of keyboards Many keyboards discussed Focus on health and safety (as it should!) I swear by Microsoft Sculpt Ergonomic (which wasn’t mentioned) More options still over at Wire Cutter Brian #2: appeal - a CLI framework from Larry Hastings “Give your program APPEAL!” Appeal is a command-line argument processing library for Python, like argparse, optparse, getopt, docopt, Typer, and click. But Appeal takes a refreshing new approach. Hello World example:

Topics covered in this episode: exclude_also with coverage.py Writeside * Extra, extra, extra* Chrome not proceeding with Web Integrity API deemed by many to be DRM Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Note: No episode next week. Michael will be at Microsoft Ignite in Seattle. Happy Birthday to us (7 years old today)! Brian #1: exclude_also with coverage.py Interesting exchange between Pamela Fox, Hugo van Kemenade, and myself where we all discover exclude_also, even though it’s been there since February This is cool because you can exclude common “should I cover this? It’s just for debugging.” kinda stuff, and other “I don’t wanna test that” places. To exclude code blocks, we can use *# pragma: no cover

Topics covered in this episode: PyCon 2024 is up? Ruff formatter is production ready gil--; Why is the Django Admin “Ugly”? Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: PyCon 2024 is up? May 15 - May 23, 2024 - Pittsburgh, Pennsylvania Conference breakdown: Tutorials: May 15 - 16, 2024 Main Conference and Online: May 17 - 19, 2024 Job Fair: May 19, 2024 Sprints: May 20 - May 23, 2024 Tickets aren’t on sale yet Unfortunately, I’m not going (see health and safety guidelines) Attendance numbers over time on Wikipedia Brian #2: Ruff formatter is production ready We reported the alpha release in September It’s fast, 30x faster than Black Provides >99.9% compatibility with Black, with a list of known

Topics covered in this episode: Django 5.0 beta 1 released git bash, terminals, and Windows Mastering Integration Testing with FastAPI Reuven Learner has been banned for trading in rare animals (Pythons and Pandas) Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Django 5.0 beta 1 released Django 5.0 release notes supports Python 3.10, 3.11, 3.12 Facet filters in the admin Simplified templates for form field rendering Database-computed default values Database generated model field More options for declaring field choices More Django news Djangonaut Space now accepting applications for our next contribut

Topics covered in this episode: QuickMacHotKey Things I’ve learned about building CLI tools in Python Warp Terminal (referral code) Python 3.7 EOLed, but I hadn’t noticed Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: QuickMacHotKey This is a set of minimal Python bindings for the undocumented macOS framework APIs that even the most modern, sandboxing-friendly shortcut-binding frameworks use under the hood for actually binding global hotkeys. Thinking of updating my urlify menubar app. Brian #2: Things I’ve learned about building CLI tools in Python Simon Willison A cool Cookiecutter starter project, if

Topics covered in this episode: Psycopg 3 dacite RIP: Fast, barebones pip implementation in Rust Flaky Tests follow up Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Psycopg 3 Psycopg folks recommend starting with 3 for new projects 2 is still actively maintained, but no new features are planned recommend staying with 2 for legacy projects Psycopg 3 project 2 vs 3 feature comparison A few Psycopg 3 highlights native asyncio support native support for more Python types (such as Enums) and PostgreSQL types (such as multirange) Default server-side parameters binding Allows binary parameters and query resu

Topics covered in this episode: 3.12 is out! Trouble with virtualenv caching, a tale of 3.12 update Python Developers Survey 2022 Results Scientific Python Library Development Guide Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: 3.12 is out! What’s new PEP 695, type parameter syntax and the type statement PEP 692, using TypedDict to annotate **kwargs PEP 698, typing.override() decorator PEP 701, f-strings in the grammar PEP 684, a unique per-interpreter GIL PEP 669, low impact monitoring Improved ‘Did you mean …’ suggestions for NameError, ImportError, and SyntaxError exceptions PEP 688, using the buff

Topics covered in this episode: logmerger The third and final Python 3.12 RC is out now The Python dictionary dispatch pattern Visualizing the CPython Release Process Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: logmerger Paul McGuire logmerger is a TUI for viewing a merged display of multiple log files, merged by timestamp. Built on textual Awesome flags: --output - to send the merged logs to stdout --start START and --end END start and end time to select time window for merging logs Caveats: new. no pip install yet. so clone the code or download perhaps I jumped the gun on covering this, but it’

Topics covered in this episode: OverflowAI Switching to Hatch Alpha release of the Ruff formatter What is wrong with TOML? Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python Testing with pytest, full course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: OverflowAI Integration of generative AI into our public platform, Stack Overflow for Teams, and brand new product areas, like an IDE integration. Have a conversation about the search results and proposed answer with GenAI Coming with IDE integration too. Check out the video on their page for some more detail than the article. Brian #2: Switching to Hatch Oliver Andrich Hatch has some interesting features Template built

Topics covered in this episode: Heliclockter - Like datetime, but more timezone-aware Wagtail 5 Git log customization MiniJinja template engine Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Heliclockter - Like datetime, but more timezone-aware Suggested by Peter Nilsson The library exposes 3 classes: datetime_tz, a datetime ensured to be timezone-aware. datetime_local, a datetime ensured to be timezone-aware in the local timezone. datetime_utc, a datetime ensured to be timezone-aware in the UTC+0 timezone. Michael #2: Wagtail 5 Wagtail is the leading open-source Python CMS, based on Django. Anything you

Topics covered in this episode: mpire mopup - the macOS Python.org Updater Immortal Objects for Python Common Docstring Formats in Python Extras Joke Watch on YouTube About the show Sponsored by Sentry: pythonbytes.fm/sentry Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: mpire A Python package for easy multiprocessing, but faster than multiprocessing MPIRE is faster in most scenarios, packs more features, and is generally more user-friendly than the default multiprocessing package. Tons of features. Nice intro article with benchmarks. Brian #2: mopup - the macOS Python.org Updater Glyph Lefkowitz On a mac, install Python with the standard Python.org installer. Then, periodically, update with python3 -m mopup I just did it and went from Python 3.11.4 to 3.11.5 See als

Topics covered in this episode: Make Each Line Count, Keeping Things Simple in Python Parsel A Comprehensive Guide to Python Logging with Structlog Stamina Extras Joke Watch on YouTube About the show Sponsored by Sentry: pythonbytes.fm/sentry Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Make Each Line Count, Keeping Things Simple in Python Bob Belderbos Some great tips to help you simplify your Python code to make it more understandable and maintainable. Michael #2: Parsel Parsel is a BSD-licensed Python library to extract data from HTML, JSON, and XML documents. Parsel lets you extract data from XML/HTML documents using XPath or CSS selectors. It supports: CSS and XPath expressions for HTML and XML documents JMESPath expressions for JSON documents Regular expression

Topics covered in this episode: Omnivore app Djangonaut.space Server-side hot reload Python in Excel Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Omnivore app Omnivore is the free, open source, read-it-later app for serious readers. Distraction free. Privacy focused. Open source. Designed for knowledge workers and lifelong learners. Save articles, newsletters, and documents and read them later — focused and distraction free. Add notes and highlights. Organize your reading list the way you want and sync it across all your devices. Syncs with popular Personal Knowledge Management systems including Logseq a

Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Differentiating between writing down dependencies to use packages and for packages themselves Brett Cannon Why can’t we just use pyproject.toml and stop using requirements.txt? Nope. At least not yet. They’re currently for different things. pyproject.toml There’s project.dependencies and project.optional-dependencies.tests that kinda would work for listing dependencies for an app. But you can’t say pip install -r pyproject.toml. It doesn’t work. And that’s weird. project is intended for packaged projects. requirements.txt for applications and other non-packaged projects It h

Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: async-timeout An asyncio-compatible timeout context manager. The context manager is useful in cases when you want to apply timeout logic around block of code or in cases when asyncio.wait_for() is not suitable. Not finished yet timeout can be rescheduled by shift_by() or shift_to() methods Brian #2: PyPI Project URLs Cheatsheet Daniel Roy Greenfield There’s some cool icons available under “Project Links” on pypi.org project pages. How do you get those? And which ones are available. Daniel has found out where to look, and built us a cheat sheet. Nice. Michael #3: httpx-ss

Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: A Steering Council notice about PEP 703 (Making the Global Interpreter Lock Optional in CPython) Thomas Wouters Suggested by John Hagen “We intend to accept PEP 703, although we’re still working on the acceptance details.” Moving forward in 3 stages short-term, no-GIL experimental build in 3.13 or 3.14 mid-term, declare support for no-GIL version long-term, no-GIL becomes default and remove any vestiges of the GIL No commitment and timeframe is nebuous long-term means 5+ years Need community support “We want to be able to change our mind if it turns out, any time before we mak

Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Cython 3.0 Long in development, the new major release of the Python-to-C compiler sheds legacy Python support and readies Cython developers for big changes in Python. Cython 3 cleans up and modernizes Cython. Pure Python mode allows Python developers to use their existing Python linting and code analysis tools on Cython. Brian #2: Reading code : An important but seldom-discussed skill Eric Matthes A cool walk through of several techniques to read code Strategies Ignore function definitions And in the example, also ignore comments Simplify repetitive blocks Examples

Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Test & Code Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Main topic: AMA questions from the audience. Use the transcript search to find timestamps if you want to locate a particular one. Extras Michael: Deputy CPython Developer in Residence position accepting applications. My Make Your Python Web App Fly Around the World with CDNs talk at PWC 2023 is online. “Joke”: Ode to Python recommended by FelixTheCat

Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Test & Code Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Pydantic v2 released Pydantic V2 is compatible with Python 3.7 and above. There is a migration guide. Check out the bump-pydantic tool to auto upgrade your classes Brian #2: Two Ways to Turbo-Charge tox Hynek Not just tox run-parallel or tox -p or tox --``parallel , but you should know about that also. The 2 ways Build one wheel instead of N sdists Run pytest in parallel tox builds source distributions, sdists, for each environment before running tests. that’s not really what we want, especially if we have a test matrix. It’d be better to build a wheel once, and use