Python Bytes

By: Michael Kennedy and Brian Okken
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  • Summary

  • Python Bytes is a weekly podcast hosted by Michael Kennedy and Brian Okken. The show is a short discussion on the headlines and noteworthy news in the Python, developer, and data science space.
    Copyright 2016-2024
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Episodes
  • #408 python-preference only-managed 3.13t

    #408 python-preference only-managed 3.13t
    Nov 4 2024
    Topics covered in this episode: GitHub action security: zizmorPython is now the top language on GitHubPython 3.13, what didn't make the headlinesPyCon US 2025ExtrasJokeWatch on YouTube About the show Sponsored by: ScoutAPM - Django Application Performance MonitoringCodeium - Free AI Code Completion & Chat Connect with the hosts Michael: @mkennedy@fosstodon.orgBrian: @brianokken@fosstodon.orgShow: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live 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 our friends of the show list, we'll never share it. Brian #1: GitHub action security: zizmor Article: Ned Batchelder zizmor: William Woodruff & others“a new tool to check your GitHub action workflows for security concerns.”Install with cargo or brew, then point it at workflow yml files.It reports security concerns. Michael #2: Python is now the top language on GitHub Thanks to Pat Decker for the heads up.A rapidly growing number of developers worldwide This suggests AI isn’t just helping more people learn to write code or build software faster—it’s also attracting and helping more people become developers. First-time open source contributors continue to show wide-scale interest in AI projects. But we aren’t seeing signs that AI has hurt open source with low-quality contributions.Python is now the most used language on GitHub as global open source activity continues to extend beyond traditional software development. The rise in Python usage correlates with large communities of people joining the open source community from across the STEM world rather than the traditional community of software developers.There’s a continued increase in first-time contributors to open source projects. 1.4 million new developers globally joined open source with a majority contributing to commercially backed and generative AI projects. Notably, we did not see a rise in rejected pull requests. This could indicate that quality remains high despite the influx of new contributors. Brian #3: Python 3.13, what didn't make the headlines Some pretty cool updates to pdb : the command line Python debugger multiline editingcode completion pathlib has a bunch of performance updatespython -m venv adds a .gitignore file that auto ignores the venv. Michael #4: PyCon US 2025 Site is live with CFP and datesHealth code is finally reasonable: “Masks are Encouraged but not Required”PyCon US 2025 Dates Tutorials - May 14-15, 2025Sponsor Presentations - May 15, 2025Opening Reception - May 15, 2025Main Conference and Online - May 16-18, 2025Job Fair - May 18, 2025Sprints - May 19-May 22, 2025 Extras Brian: Please publish and share more - Jeff Triplett Michael: pre-commit-uv Just spoke with Sefanie Molin about pre-commit hooks on Talk PythonCurse you Omnivore!We have moved to hetzner Typora markdown appfree-threaded Python is now available via uv uv self update uv python install --python-preference only-managed 3.13t Joke: Debugging char
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    31 mins
  • #407 Back to the future, destination 3.14

    #407 Back to the future, destination 3.14
    Oct 28 2024
    Topics covered in this episode: Python 3.14.0 alpha 1 is now availableuv supports dependency groupsdive: A tool for exploring each layer in a docker imagepytest-metadataExtrasJokeWatch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python TrainingThe Complete pytest Course & Hello, pytest!Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.orgBrian: @brianokken@fosstodon.orgShow: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live 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 our friends of the show list, we'll never share it. Michael #1: Python 3.14.0 alpha 1 is now available First of seven planned alpha releases.Many new features for Python 3.14 are still being planned and written. Among the new major new features and changes so far: PEP 649: deferred evaluation of annotationsImproved error messages Brian #2: uv supports dependency groups we covered dependency groups in episode 406as of 0.4.27, uv supports dependency groupsdocs show how to add dependencies with uv add --group also “The --dev, --only-dev, and --no-dev flags are equivalent to --group dev, --only-group dev, and --no-group dev respectively.”To install a group, uv pip install --group doesn’t work yet. It’s waiting for PyPA to decide on an interface for pip, and uv pip will use that interface.But sync works. $ uv init # create a pyproject.toml $ uv add --group foo pytest $ uv venv # create venv $ uv sync --group foo # will install all dependencies, including group "foo" Michael #3: dive: A tool for exploring each layer in a docker image via Mike FiedlerFeatures: Show Docker image contents broken down by layerIndicate what's changed in each layerEstimate "image efficiency"Quick build/analysis cyclesCI Integration Brian #4: pytest-metadata An incredibly useful plugin for adding, you guessed it, metadata, to your pytest results.Required for pytest-html but also useful on it’s ownAdds metadata to text output with --verbosexml output when using --junit-xml, handy for CI systems that support junit.xmlOther plugins depend on this and report in other ways, such as pytest-htmlBy default, already grabs Python versionPlatform infoList of installed packagesList of installed pytest pluginsYou can add your own metadataYou can access all metadata (and add to it) from tests, fixtures, and hook functions via a metadata fixture.This is in the Top pytest Plugins list, currently #5. Extras Brian: I’ve started filtering deprecated plugins from the pytest plugin list.I’m also going to start reviewing the list and pulling out interesting plugins as the topic of the next season of Test & Code. Michael: Pillow 11 is outpip install deutschlandTalk Python has a dedicated blog, please subscribe! Joke: Dog names
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    28 mins
  • #406 What's on Django TV tonight?

    #406 What's on Django TV tonight?
    Oct 21 2024
    Topics covered in this episode: Open Source PledgeJeff Triplet's DjangoTVPEP 735 – Dependency Groups in pyproject.tomllivereloadExtrasJokeWatch on YouTube About the show Sponsored by ScoutAPM: pythonbytes.fm/scout Connect with the hosts Michael: @mkennedy@fosstodon.orgBrian: @brianokken@fosstodon.orgShow: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live 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 our friends of the show list, we'll never share it. Brian #1: Open Source Pledge Learned about this because of this post Why Django supports the Open Source PledgeSteps Pay Open Source maintainers. Min to participate is 2k/year/dev at your companySelf-report annually Publish a blog post outlining your paymentsArmin’s post about launching Open Source Pledge and mixing money with open source Michael #2: Jeff Triplet's DjangoTV A nice aggregation of lots of Django conference talksFilter by conferenceGood search as well Brian #3: PEP 735 – Dependency Groups in pyproject.toml Author: Stephen Rosen, Sponsor: Brett Cannon, PEP-Delegate: Paul MooreAccepted. Resolotion Oct 10, 2024“This PEP specifies a mechanism for storing package requirements in pyproject.toml files such that they are not included in any built distribution of the project.”Allow us to define named groups of dependencies that can be independent of the main project.ex: [dependency-groups] test = ["pytest", "coverage"] docs = ["sphinx", "sphinx-rtd-theme"] typing = ["mypy", "types-requests"] typing-test = [{include-group = "typing"}, {include-group = "test"}, "useful-types"] “might” work like this: pip install --dependency-groups=test,typing but tool venders are able to define how they use groups. Of course.Similar solutions multiple requirements.txt files: requirements_test.txt, requirements_docs.txt, etc. no standard naming convention, not standardized package extras: not gauranteed to be statically defined (TIL)additional to main dependencies, so not independent Michael #4: livereload Example from talkpython.fm: asset_bundler_watcher.pyThe docs are sparse, so see the gist above Extras Brian: Personal Blogs are no longer personal when AI gets too involved - KJayMillerMind Your Image Metadata - Stefanie Molin Michael: 14% of our listeners are in Germany, thanks Germany! Prost!Hetzner comes to the US Joke: A programmer’s partner asks them: “Would you go get a loaf of bread from the store? And if they have eggs, get a dozen.” A while later, the programmer returns with 12 loaves of bread and says “They had eggs.” From https://savvyprogrammer.io/software-jokes/
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    25 mins

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