• Using Django Tasks in production
• Co-authored with Claude?
• PyPI packages are increasing rapidly
• httpx2
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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.

Brian #1: Using Django Tasks in production

• Tim Schilling shares how the Djangonaut Space website has been using Django’s new tasks framework and some of the info missing from the official Django docs.
• Tasks require a third party package, django-tasks-db to actually run the tasks.
• Article walks through all changes necessary to get an email process running to notify admins of new testimonials. Cool simple example.
• With the db backend, you can monitor progress of tasks in the admin, to see which tasks are scheduled, completed, or have errors.
• Some wishes for the community to implement
  • new tutorial in the Django docs
  • Django Debug toolbar panel for tasks
  • test/mock backend
• Great title for wish list: Thinks I’d like to see, but I’m too lazy to implement myself.

Michael #2: Co-authored with Claude?

• Via Nik T.
• We don’t put “executed on macOS”, “edited with PyCharm”, etc. in our commits. Why Claude?
• Seems like a growth hack to me, that I don’t really care to participate in.
• Some projects that have formalized their thoughts on this: The Generative AI Policy Landscape in Open Source
• Adjust to turn off in ~/.claude/settings.json see the docs.

  {
     "attribution": {
        "commit": "",
         "pr": ""
     }
  }
  

Brian #3: PyPI packages are increasing rapidly

• Artem Golubin
• There’s been an increase of published packages per week on PyPI
• A pretty big increase in the last handful of months.
• 30% increase since 2025, clearly due to AI
• Artem is building hexora, a malicious Python code detector.
• Cool package too, it can:
  • Audit project dependencies to catch potential supply-chain attacks
  • Detect malicious scripts found on platforms like Pastebin, GitHub, or open directories
  • Analyze IoC files from past security incidents
  • Audit new packages uploaded to PyPi.
• Artem is using hexora to analyze recently published pypi packages and many are obviously vibecoded and trigger false positives for abuses of eval, exec, and subprocess
  • Side note: I don’t think that’s necessarily a false positive. Not malicious, but maybe a stupid-code-detector?
• Lots are LLM related, Lots have bots contributing code
• Publishing rate is crazy, dozens to hundreds of published versions in a day is a bug, not a feature
• Brian’s proposal, PyPI should limit releases per day for any package to something a sane human would do, even if they make a mistake on a release, to maybe like 2-3, definitely under 10, in a day. And if the repo has obvious agent contributors listed, maybe lower to the limit to 1-2 a day? Honestly, “move fast and break things” doesn’t apply to breaking the commons.

Michael #4: httpx2

• More on the httpx, httpxyz, etc changes: Pydantic people started their own fork, httpx2.
• Michiel says “while we think httpxyz was definitely needed, we welcome httpx2 and think it should be the ‘blessed’ fork.”
• Kludex, who is among other things maintainer of Starlette, was considering a fork
• As it stands, httpx2 is lacking the performance improvements they added to httpxyz. But it will not be long before they will add those, too.
• Also they already made some smart decisions:
  • they are switching from certifi to truststore
  • they are switching to compression.zstd on Python 3.14+, enabling zstd compression by default
  • they merged httpcore and vendored it in their repository
• Discussion on Hacker News

Extras

Brian:

• The Four Horsemen of the LLM Apocalypse - Anarcat
• Django/JetBrains 2026 developer survey is open
• Pyrefly 1.0 : “meaning we are confident that Pyrefly is ready for production use.” Michael:
• Just about ready to release Python Web Security: OWASP Top 10 with Agentic AI course. Be sure to be on the courses newsletter to get notified.

Joke: Proud Parents

• httpxyz one month in
• Learn concurrency - a deep dive into multithreading with Python
• pip 26.1 - lockfiles and dependency cooldowns
• Python 3.15 sentinal values from PEP 661
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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.

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Michael #1: httpxyz one month in

• First version of httpxyz contained just the fixes to get zstd working, and the fixes to get the test suite running on python 3.14, some ‘housekeeping’ changes related to the renaming
• End of March: a compatibility shim that allows you to use httpxyz even with third-party packages that import httpx themselves, as long as you import httpxyz first.
  • Importing httpxyz automatically registers it under the httpx name in sys.modules , see https://httpxyz.org/httpx-compatibility/
• Fixed a WHOLE bunch of performance related issues by forking httpcore

Brian #2: Learn concurrency - a deep dive into multithreading with Python

• Nikos Vaggalis
• “Whenever you are trying to speed up code using multiple cores, always ask yourself: “Do these threads need to talk to each other right now?” If the answer is yes, it will be slow. The best parallel code splits a big job into completely isolated chunks, processes them separately, and merges the results at the finish line.”
• Good overview of thread concurrency with Python and how that’s been improved dramatically with free-threaded Python
• Defines lots of terms you come across, including “embarrassingly parallel multithreading”
• There’s a counter example that’s nice
  • Start with a shared resource, a counter, and multiple threads updating it
  • Attempt to fix with threading.Lock(), which fixes it, but slows things down
  • Good explanation of why
  • Proper fix with concurrent.futures and separating the work of different threads so that they can be independent and their results can be combined when they’re all finished.

Michael #3: pip 26.1 - lockfiles and dependency cooldowns

• Python 3.9 is no longer supported
• Experimental: installing from pylock files
• Dependency cooldowns (see my post about this)
• Lifting several 2020 resolver limitations

Brian #4: Python 3.15 sentinal values from PEP 661

MISSING = sentinel("MISSING")
def next_value(default: int | MISSING = MISSING):
    ...
    if default is MISSING:
       ...

• Take a name str as a constructor parameter
• Intended to be compared with is operator, similar to None
• Sentinal objects can be used as a type, also similar to None
  • and can be combined with other types with |.
• Unlike None, sentinal values are truthy. (Elipses ... are also truthy)
  • This seems like a strange choice. but I guess it must have made sense to someone.
  • It does force you to use is instead of depending on False-ness, so I guess it’ll make code using sentinels more readable.
• Interesting that the PEP was started in 2021, and we’re finally getting it this year.

Extras

Brian:

• Before GitHub - Armin Ronacher
• tenacity - cross-platform multi-track audio editor/recorder
  • learned about it from Armin’s article

Joke:

• Joke option Make it myself
  • Seems similar to what people think about software now

Links

• httpxyz one month in
• httpxyz.org/httpx-compatibility
• Learn concurrency - a deep dive into multithreading with Python
• pip 26.1 - lockfiles and dependency cooldowns
• my post about this
• Python 3.15 sentinal values from PEP 661
• Before GitHub
• tenacity
• Make it myself

• profiling-explorer
• Reverting the incremental GC in Python 3.14 and 3.15
• VSCode AI Co-author defaults to on, then off
• django freeze
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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.

Brian #1: profiling-explorer

• Adam Johnson
• And intro post Python: introducing profiling-explorer
• “profiling-explorer is a tool for exploring profiling data from Python’s built-in profilers, which are stored in pstats files. ”
• Features
  • Dark mode
  • Click the calls, internal ms, or cumulative ms column headers to sort by that column.
  • Use the search box to filter by filename or function name.
  • Hover by a filename + line number pair to reveal the copy button, which copies the location to your clipboard for faster opening.
  • Click the callers or callees links on the right of a row (not pictured above) to see the callers or callees of that function.

Michael #2: Reverting the incremental GC in Python 3.14 and 3.15

• Python 3.14 shipped with a new incremental garbage collector, but production reports of severe memory pressure (Neil Schemenauer measured up to 5× peak RSS on pathological cyclic workloads) have pushed the core team and Steering Council to revert it in both 3.14 and 3.15 - returning to the 3.13-era generational GC.
• This is the second time the inc GC has been pulled back: it was also reverted right before 3.13.0 final, and it shipped in 3.14 without going through the PEP process.
• The tradeoff is real: Neil's benchmarks showed max GC pause times of 1.3ms with inc GC versus 26ms with the generational one - great for latency-sensitive apps, terrible for memory-constrained ones.
• Release manager Hugo van Kemenade will ship 3.14.5 early with the revert, and Gregory Smith floated the idea of a 3.14.5rc1 - the first patch-release RC since 3.9.2 back in 2021.
• Tim Peters spent the thread doing live forensics on Windows, running a toy deque program that should cap at 1GB and watching it balloon to 15.6GB on a 16GB machine - and discovered the gen0 collector effectively never fires under the new scheme.
• Tim's bigger meta-point: CPython has a chronic shortage of real-world GC benchmarks, pyperformance has "basically no interesting" cyclic workloads, and users almost never share real data - so core devs keep flying blind on changes like this.
• Django maintainer Adam Johnson published a blog post mid-thread documenting a real memory "leak" in Django's migration system caused by inc GC, with a manual gc.collect() workaround - the listener-facing receipt that this wasn't just theoretical.
• If the inc GC comes back for 3.16, it'll go through a proper PEP, and the discussion is already shifting toward keeping both collectors available via a startup flag - which Neil and Sergey Miryanov have both prototyped.

Brian #3: VSCode AI Co-author defaults to on, then off

• VSCode merges Enabling ai co author by default - 3 week ago
• Ton’s of “why would you do this” and related comments
• VSCode merges Change default for git.addAICoAuthor to off - yesterday
• Take-away, don’t rely on default, set addAICoAuthor to off yourself

Michael #4: django freeze

• Convert your dynamic django site to a static one with one line of code.
• Just run python manage.py generate_static_site :)
• Features
  • Generate the static version of your Django site, optionally compressed .zip file
  • Generate/download the static site using urls (only superuser and staff)
  • Follow sitemap.xml urls
  • Follow internal links founded in each page
  • Follow redirects
  • Report invalid/broken urls
  • Selectively include/exclude media and static files
  • Custom base url (very useful if the static site will run in a specific folder different by the document-root)
  • Convert urls to relative urls (very useful if the static site will run offline or in an unknown folder different by the document-root)
  • Prevent local directory index

Extras

Brian:

• Thinking Less, Trusting More: GenAI’s Impacts on Students’ Cognitive Habits

Michael:

• Vercel breached, employee to blame
• Introducing the new Talk Python web player
• GitHub uptime (a couple of views 1, 2)

Joke: Friends in tech

• Django Modern Rest
• Already playing with Python 3.15
• Cutting Python Web App Memory Over 31%
• tryke - A Rust-based Ptyhon test runner with a Jest-style API
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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: Django Modern Rest

• Modern REST framework for Django with types and async support
• Supports Pydantic, Attrs, and msgspec
• Has ai coding support with llms.txt
• See an example at the “showcase” section

Brian #2: Already playing with Python 3.15

• 3.15.0a8, 2.14.4 and 3.13.13 are out
  • Hugo von Kemenade
• beta comes in May, CRs in Sept, and Final planned for October
• But still, there’s awesome stuff here already, here’s what I’m looking forward to:
  • PEP 810: Explicit lazy imports
  • PEP 814: frozendict built-in type
  • PEP 798: Unpacking in comprehensions with * and **
  • PEP 686: Python now uses UTF-8 as the default encoding

Michael #3: Cutting Python Web App Memory Over 31%

• I cut 3.2 GB of memory usage from our Python web apps using five techniques:
  • async workers
  • import isolation
  • the Raw+DC database pattern
  • local imports for heavy libraries
  • disk-based caching
• See the full article for details.

Brian #4: tryke - A Rust-based Ptyhon test runner with a Jest-style API

• Justin Chapman
• Watch mode, Native async support, Fast test discovery, In-source testing, Support for doctests, Client/server mode for fast editor integrations, Pretty, per-assertion diagnostics, Filtering and marks, Changed mode (like pytest-picked), Concurrent tests, Soft assertions,
• JSON, JUnit, Dot, and LLM reporters
• Honestly haven’t tried it yet, but you know, I’m kinda a fan of thinking outside the box with testing strategies so I welcome new ideas.

Extras

Brian:

• Why are’t we uv yet?
  • Interesting take on the “agents prefer pip”
  • Problem with analysis.
    • Many projects are libraries and don’t publish uv.lock file
    • Even with uv, it still often seen as a developer preference for non-libarries. You can sitll use uv with requirements.txt
• PyCon US 2026 talks schedule is up
  • Interesting that there’s an AI track now. I won’t be attending, but I might have a bot watch the videos and summarize for me. :)
• What has technology done to us?
  • Justin Jackson
• Lean TDD new cover
  • Also, 0.6.1 is so ready for me to start f-ing reading the audio book and get on with this shipping the actual f-ing book and yes I realize I seem like I’m old because I use “f-ing” while typing. Michael:
• Python 3.14.4 is out
• Beanie 2.1 release

Joke: HumanDB - Blazingly slow. Emotionally consistent.

• Migrating from mypy to ty: Lessons from FastAPI
• Oxyde ORM
• Typeshedded CPython docs
• Raw+DC Database Pattern: A Retrospective
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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.

Brian #1: Migrating from mypy to ty: Lessons from FastAPI

• Tim Hopper
• I saw this post by Sebastián Ramírez about all of his projects switching to ty
  • FastAPI, Typer, SQLModel, Asyncer, FastAPI CLI
• SqlModel is already ty only - mypy removed
• This signals that ty is ready to use
• Tim lists some steps to apply ty to your own projects
  • Add ty alongside mypy
  • Set error-on-warning = true
  • Accept the double-ignore comments
  • Pick a smaller project to cut over first
  • Drop mypy when the noise exceeds the signalAdd ty alongside mypy
• Related anecdote:
  • I had tried out ty with pytest-check in the past with difficulty
  • Tried it again this morning, only a few areas where mypy was happy but ty reported issues
  • At least one ty warning was a potential problem for people running pre-releases of pytest,
  • Not really related: packaging.version.parse is awesome

Michael #2: Oxyde ORM

• Oxyde ORM is a type-safe, Pydantic-centric asynchronous ORM with a high-performance Rust core.
• Note: Oxyde is a young project under active development. The API may evolve between minor versions.
• No sync wrappers or thread pools. Oxyde is async from the ground up
• Includes oxyde-admin
• Features
  • Django-style API - Familiar Model.objects.filter() syntax
  • Pydantic v2 models - Full validation, type hints, serialization
  • Async-first - Built for modern async Python with asyncio
  • Rust performance - SQL generation and execution in native Rust
  • Multi-database - PostgreSQL, SQLite, MySQL support
  • Transactions - transaction.atomic() context manager with savepoints
  • Migrations - Django-style makemigrations and migrate CLI

Brian #3: Typeshedded CPython docs

• Thanks emmatyping for the suggestion
• Documentation for Python with typeshed types
• Source: typeshedding_cpython_docs

Michael #4: Raw+DC Database Pattern: A Retrospective

• A new design pattern I’m seeing gain traction in the software space: Raw+DC: The ORM pattern of 2026
• I’ve had a chance to migrate three of my most important web app.
• Thrilled to report that yes, the web app is much faster using Raw+DC
• Plus, this was part of the journey to move from 1.3 GB memory usage to 0.45 GB (more on this next week)

Extras

Brian:

• Lean TDD 0.5 update
  • Significant rewrite and focus

Michael:

• pytest-just (for just command file testing), by Michael Booth
• Something going on with Encode
  • httpx: Anyone know what's up with HTTPX? And forked
  • starlette and uvicorn: Transfer of Uvicorn & Starlette
  • mkdocs: The Slow Collapse of MkDocs
  • django-rest-framework: Move to django commons?
• Certificates at Talk Python Training

Joke:

• Neue Rich

• Lock the Ghost
• Fence for Sandboxing
• MALUS: Liberate Open Source
• Harden your GitHub Actions Workflows with zizmor, dependency pinning, and dependency cooldowns
• Extras
• Joke

About the show

Sponsored by us! Support our work through:

• Our courses at Talk Python Training
• The Complete pytest Course
• **Patreon SupportersConnect with the hosts**
• Michael: @mkennedy@fosstodon.org / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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: Lock the Ghost

• The five core takeaways:
  1. PyPI "removal" doesn't delete distribution files. When a package is removed from PyPI, it disappears from the index and project page, but the actual distribution files remain accessible if you have a direct URL to them.
  2. uv.lock uniquely preserves access to ghost packages. Because uv.lock stores direct URLs to distribution files rather than relying on the index API at install time, uv sync can successfully install packages that have already been removed, even with cache disabled. No other Python lock file implementation tested behaved this way.
  3. This creates a supply chain attack vector. An attacker could upload a malicious package, immediately remove it to dodge automated security scanning, and still have it installable via a uv.lock file, or combine this with the xz-style strategy of hiding malicious additions in large, auto-generated lock files that nobody reviews.
  4. Removed package names can be hijacked with version collisions. When an owner removes a package, the name can be reclaimed by someone else who can upload different distribution types under the same version number, as happened with "umap." Lock files help until you regenerate them, then you're exposed.
  5. Your dependency scanning needs to cover lock files, not just manifest files. Scanning only pyproject.toml or requirements.txt misses threats embedded in lock files, which is where the actual resolved URLs and hashes live.

Brian #2: Fence for Sandboxing

• Suggested by Martin Häcker
• “Some coding platforms have since integrated built-in sandboxing (e.g., Claude Code) to restrict write access to directories and/or network connectivity. However, these safeguards are typically optional and not enabled by default.”
• “JY Tan (on cc) has extracted the sandboxing logic from Claude Code and repackaged it into a standalone Go binary.”
• Source code on GitHub: https://github.com/Use-Tusk/fence
• Related:
  • Simon Willison lethal trifecta for AI agents article from June 2025
  • Claude Code Sandboxing

Michael #3: MALUS: Liberate Open Source

• via Paul Bauer
• The service will generate the specs of a library with one AI and build the newly licensed library using the specs with another AI circumventing the licensing and copyright rules.
• AI that has not been trained on open source reads the docs and API signature, creates a spec. Another AI processes that spec into working software.
• Is it a real site? Are they accepting real money, or are they just trying to cause a stir around copyright?

Brian #4: Harden your GitHub Actions Workflows with zizmor, dependency pinning, and dependency cooldowns

• Matthias Schoettle
• Avoid things like this: hackerbot-claw: An AI-Powered Bot Actively Exploiting GitHub Actions - Microsoft, DataDog, and CNCF Projects Hit So Far

Extras

Brian:

• GitHub is asking to spy on us, that’s nice

Michael:

• Michael’s new SaaS for podcasters: InterviewCue
• DigitalOcean’s Spaces cold storage for infrequently accessed data
• Minor issue about my fire and forget post, was a latent bug?
• Fire and Forget at Textual follow up article

Joke: Can you?

• Starlette 1.0.0
• Astral to join OpenAI
• uv audit
• Fire and forget (or never) with Python’s asyncio
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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.

Brian #1: Starlette 1.0.0

• As a reminder, Starlette is the foundation for FastAPI
• Starlette 1.0 is here! - fun blog post from Marcello Trylesinski
• “The changes in 1.0 were limited to removing old deprecated code that had been on the way out for years, along with a few bug fixes. From now on we'll follow SemVer strictly.”
• Fun comment in the “What’s next?” section:
  • “Oh, and Sebastián, Starlette is now out of your way to release FastAPI 1.0. 😉”
• Related: Experimenting with Starlette 1.0 with Claude skills
  • Simon Willison
  • example of the new lifespan mechanism, very pytest fixture-like

    @contextlib.asynccontextmanager
    async def lifespan(app):
    async with some_async_resource():
        print("Run at startup!")
        yield
        print("Run on shutdown!")
    app = Starlette(
    routes=routes,
    lifespan=lifespan
    )
    

Michael #2: Astral to join OpenAI

• via John Hagen, thanks
• Astral has agreed to join OpenAI as part of the Codex team
• Congrats Charlie and team
• Seems like **Ruff** and uv play an important roll.
• Perhaps ty holds the most value to directly boost Codex (understanding codebases for the AI)
• All that said, these were open source so there is way more to the motivations than just using the tools.
• After joining the Codex team, we'll continue building our open source tools.
• Simon Willison has thoughts
• discuss.python.org also has thoughts
• The Ars Technica article has interesting comments too
• It’s probably the death pyx
  • Simon points out “pyx is notably absent from both the Astral and OpenAI announcement posts.”

Brian #3: uv audit

• Submitted by Owen Lemont
• Pieces of uv audit have been trickling in. uv 0.10.12 exposes it to the cli help
• Here’s the roadmap for uv audit
• I tried it out on a package and found a security issue with a dependency
  • not of the project, but of the testing dependencies
  • but only if using Python < 3.10, even though I’m using 3.14
• Kinda cool
• Looks like it generates a uv.lock file, which includes dependencies for all project supported versions of Python and systems, which is a very thorough way to check for vulnerabilities.
• But also, maybe some pointers on how to fix the problem would be good. No --fix yet.

Michael #4: Fire and forget (or never) with Python’s asyncio

• Python’s asyncio.create_task() can silently garbage collect your fire-and-forget tasks starting in Python 3.12
• Formerly fine async code can now stop working, so heads up
• The fix? Use a set to upgrade to a strong ref and a callback to remove it
• Is there a chance of task-based memory leaks? Yeah, maybe.

Extras

Brian:

• Nobody Gets Promoted for Simplicity - interesting read and unfortunate truth in too many places.
• pytest-check - All built-in check helper functions in this list also accept an optional xfail reason.
  • example: check.equal(actual, expected, xfail="known issue #123")
  • Allows some checks to still cause a failure to happen because you no longer have to mark the whole test as xfail Michael:
• TurboAPI - FastAPI + Pydantic compatible framework in Zig (see follow up)
• Pyramid 2.1 is out (yes really! :) first release in 3 years)
• Vivaldi 7.9 adds minimalist hide mode.
• Migrated pythonbytes.fm and talkpython.fm to Raw+DC design pattern
• Robyn + Chameleon package

Joke: We now have translation services

• chardet ,AI, and licensing
• refined-github
• pgdog: PostgreSQL connection pooler, load balancer and database sharder
• Agentic Engineering Patterns
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @pythonbytes@fosstodon.org / @pythonbytes.fm (bsky)

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: chardet ,AI, and licensing

• Thanks Ian Lessing
• Wow, where to start?
• A bit of legal precedence research.
• Chardet dispute shows how AI will kill software licensing, argues Bruce Perens on the Register
• Also see this GitHub issue.
• Dan Blanchard, maintainer of a Python character encoding detection library called chardet, released a new version of the library under a new software license. (LGPL → MIT)
• Dan is allowed to make this change because v7 is a complete “clean room” rewrite using AI
• BTW, v7 is WAY better:
  • The result is a 48x increase in detection speed for a project that lives in the hot loops of many projects. That will lead to noticeable performance increases for literally millions of users (the package gets ~130M downloads per month).
  • It paves a path towards inclusion in the standard library (assuming they don’t institute policies against using AI tools).
  • Thread-safe detect() and detect_all() with no measurable overhead; scales on free-threaded Python 3.13t+
• An individual claiming to be Mark Pilgrim, the original creator of the library, opened an issue in the project's GitHub repo arguing that Blanchard had no right to change the software license, citing the LPGL requirement that the license remain unchanged.
• A 'complete rewrite' is irrelevant, since they had ample exposure to the originally licensed code (i.e. this is not a 'clean room' implementation).
• Blanchard disagreed, citing how version 7.0.0 and 6.0.0 compare when subjected to JPlag, a library for detecting plagiarism.
• Blanchard told The Register he had wanted to get chardet added to the Python standard library for more than a decade since it’s a core dependency to most Python projects.

Brian #2: refined-github

• Suggested by Matthias Schöttle
• A browser plugin that improves the GitHub experience
• A sampling
  • Adds a build/CI status icon next to the repo’s name.
  • Adds a link back to the PR that ran the workflow.
  • Enables tab and shift tab for indentation in comment fields.
  • Auto-resizes comment fields to fit their content and no longer show scroll bars.
  • Highlights the most useful comment in issues.
  • Changes the default sort order of issues/PRs to Recently updated.
• But really, it’s a huge list of improvements

Michael #3: pgdog: PostgreSQL connection pooler, load balancer and database sharder

• PgDog is a proxy for scaling PostgreSQL.
• It supports connection pooling, load balancing queries and sharding entire databases.
• Written in Rust, PgDog is fast, secure and can manage thousands of connections on commodity hardware.
• Features
  • PgDog is an application layer load balancer for PostgreSQL
  • Health Checks: PgDog maintains a real-time list of healthy hosts. When a database fails a health check, it's removed from the active rotation and queries are re-routed to other replicas
  • Single Endpoint: PgDog can detect writes (e.g. INSERT, UPDATE, CREATE TABLE, etc.) and send them to the primary, leaving the replicas to serve reads
  • Failover: PgDog monitors Postgres replication state and can automatically redirect writes to a different database if a replica is promoted
  • Sharding: PgDog is able to manage databases with multiple shards

Brian #4: Agentic Engineering Patterns

• Simon Willison
• So much great stuff here, especially
  • Anti-patterns: things to avoid
  • And 3 sections on testing
    • Red/green TDD
    • First run the test
    • Agentic manual testing

Extras

Brian:

• uv python upgrade will upgrade all versions of Python installed with uv to latest patch release
  • suggested by John Hagen
• Coding After Coders: The End of Computer Programming as We Know It
  • NY Times Article
  • Suggested by Christopher
  • Best quote: “Pushing code that fails pytest is unacceptable and embarrassing.”

Michael:

• Talk Python Training users get a better account dashboard
• Package Managers Need to Cool Down
• Will AI Kill Open Source, article + video
• My Always activate the venv is now a zsh-plugin, sorta.

Joke: Ergonomic keyboard

Also pretty good and related:

• Claude Code Mandated

Links

• legal precedence research
• Chardet dispute shows how AI will kill software licensing, argues Bruce Perens
• this GitHub issue
• citing
• JPlag
• refined-github
• Agentic Engineering Patterns
• Anti-patterns: things to avoid
• Red/green TDD
• First run the test
• Agentic manual testing
• uv python upgrade
• Coding After Coders: The End of Computer Programming as We Know It
• Suggested by Christopher
• a better account dashboard
• Package Managers Need to Cool Down
• Will AI Kill Open Source
• Always activate the venv
• now a zsh-plugin
• Ergonomic keyboard
• Claude Code Mandated
• claude-mandated.png
• blobs.pythonbytes.fm/keyboard-joke.jpeg?cache_id=a6026b

• Setting up a Python monorepo with uv workspaces
• cattrs: Flexible Object Serialization and Validation
• Learning to program in the AI age
• VS Code extension for FastAPI and friends
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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.

Brian #1: Setting up a Python monorepo with uv workspaces

• Dennis Traub
• The 3 things
  • Give the Root a Distinct Name
  • Use workspace = true for Inter-Package Deps
  • Use importlib Mode for pytest

Michael #2: cattrs: Flexible Object Serialization and Validation

• cattrs is a Swiss Army knife for (un)structuring and validating data in Python.
• A natural alternative/follow on from DataClass Wizard
• Converts to ←→ from dictionaries
• cattrs also focuses on functional composition and not coupling your data model to its serialization and validation rules.
• When you’re handed unstructured data (by your network, file system, database, …), cattrs helps to convert this data into trustworthy structured data.
• Batteries Included: cattrs comes with pre-configured converters for a number of serialization libraries, including JSON (standard library, orjson, UltraJSON), msgpack, cbor2, bson, PyYAML, tomlkit and msgspec (supports only JSON at this time).

Brian #3: Learning to program in the AI age

• Jose Blanca
• “I teach a couple of introductory Python courses and I've been thinking about which advice to give to my students, that are studying how to program for the first time. I have collected my ideas in these blog posts”
  • Why learning to program is as useful as ever, even with powerful AI tools available.
  • How to use AI as a tutor rather than a shortcut, and why practice remains the key to real understanding.
  • What the real learning objectives are: mental models, managing complexity, and thinking like a software developer.

Michael #4: VS Code extension for FastAPI and friends

• Enhances the FastAPI development experience in Visual Studio Code
• Path Operation Explorer: Provides a hierarchical tree view of all FastAPI routes in your application.
• Search for routes: Use the Command Palette and quickly search for routes by path, method, or name.
• CodeLens links appear above HTTP client calls like client.get('/items'), letting you jump directly to the matching route definition.
• Deploy your application directly to FastAPI Cloud from the status bar with zero config.
• View real-time logs from your FastAPI Cloud deployed applications directly within VS Code.
• Install from Marketplace.

Extras

Brian:

• Guido van Rossum interviews key Python developers from the first 25 years
  • Interview with Brett Cannon
  • Interview with Thomas Wouters Michael:
• IntelliJ IDEA: The Documentary | An origin story video
• Cursor Joined the ACP Registry and Is Now Live in Your JetBrains IDE
• What hyper-personal software looks like
• I’m doing in-person training again (limited scope):
  • On-site, hands-on AI engineering enablement for software teams with Michael

Joke: Saas is dead

• Raw+DC: The ORM pattern of 2026?
• pytest-check releases
• Dataclass Wizard
• SQLiteo - “native macOS SQLite browser built for normal people”
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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: Raw+DC: The ORM pattern of 2026?

• ORMs/ODMs provide great support and abstractions for developers
• They are not the native language of agentic AI
• Raw queries are trained 100x+ more than standard ORMs
• Using raw queries at the data access optimizes for AI coding
• Returning some sort of object mapped to the data optimizes for type safety and devs

Brian #2: pytest-check releases

• 3 merged pull requests
• 8 closed issues
• at one point got to 0 PR’s and 1 enhancement request
• Now back to 2 issues and 1 PR, but activity means it’s still alive and being used. so cool
• Check out changelog for all mods
• A lot of changes around supporting mypy
  • I’ve decided to NOT have the examples be fully --strict as I find it reduces readability
    • See tox.ini for explanation
  • But src is --strict clean now, so user tests can be --strict clean.

Michael #3: Dataclass Wizard

• Simple, elegant wizarding tools for Python’s dataclasses.
• Features
  • 🚀 Fast — code-generated loaders and dumpers
  • 🪶 Lightweight — pure Python, minimal dependencies
  • 🧠 Typed — powered by Python type hints
  • 🧙 Flexible — JSON, YAML, TOML, and environment variables
  • 🧪 Reliable — battle-tested with extensive test coverage
• No Inheritance Needed

Brian #4: SQLiteo - “native macOS SQLite browser built for normal people”

• Adam Hill
• This is a fun tool, built by someone I trust.
• That trust part is something I’m thinking about a lot in these days of dev+agent built tools
• Some notes on my thoughts when evaluating
  • I know mac rules around installing .dmg files not from the apple store are picky.
    • And I like that
  • But I’m ok with the override when something comes from a dev I trust
  • The contributors are all Adam
    • I’m still not sure how I feel about letting agents do commits in repos
  • There’s “AGENTS” folder and markdown files in the project for agents, so Ad

Extras

Michael:

• PyTV Python Unplugged This Week
• IBM Crashes 11% in 4 Hours - $24 Billion Wiped Out After Anthropic's Claude Code Threatens the Entire COBOL Consulting Industry
• Loving my 40” ultrawide monitor more every day
• Updatest for updating all the mac things
• Ice has Thawed out (mac menubar app)

Joke: House is read-only!

• Better Python tests with inline-snapshot
• jolt Battery intelligence for your laptop
• Markdown code formatting with ruff
• act - run your GitHub actions locally
• Extras
• Joke

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 / @mkennedy.codes (bsky)
• Brian: @brianokken@fosstodon.org / @brianokken.bsky.social
• Show: @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.

Brian #1: Better Python tests with inline-snapshot

• Alex Hall, on Pydantic blog
• Great for testing complex data structures

• Allows you to write a test like this:

  from inline_snapshot import snapshot
  def test_user_creation():
      user = create_user(id=123, name="test_user")
      assert user.dict() == snapshot({})
  

• Then run pytest --inline-snapshot=fix

• And the library updates the test source code to look like this:

  def test_user_creation():
      user = create_user(id=123, name="test_user")
      assert user.dict() == snapshot({
          "id": 123,
          "name": "test_user",
          "status": "active"
      })
  

• Now, when you run the code without “fix” the collected data is used for comparison

• Awesome to be able to visually inspect the test data right there in the test code.
• Projects mentioned
  • inline-snapshot
  • pytest-examples
  • syrupy
  • dirty-equals
  • executing

Michael #2: jolt Battery intelligence for your laptop

• Support for both macOS and Linux
• Battery Status — Charge percentage, time remaining, health, and cycle count
• Power Monitoring — System power draw with CPU/GPU breakdown
• Process Tracking — Processes sorted by energy impact with color-coded severity
• Historical Graphs — Track battery and power trends over time
• Themes — 10+ built-in themes with dark/light auto-detection
• Background Daemon — Collect historical data even when the TUI isn't running
• Process Management — Kill energy-hungry processes directly

Brian #3: Markdown code formatting with ruff

• Suggested by Matthias Schoettle
• ruff can now format code within markdown files
• Will format valid Python code in code blocks marked with python, py, python3 or py3.
• Also recognizes pyi as Python type stub files.
• Includes the ability to turn off formatting with comment <!-- fmt:off --> , <!-- fmt:on --> blocks.
• Requires preview mode

  [tool.ruff.lint]
  preview = true
  

Michael #4: act - run your GitHub actions locally

• Run your GitHub Actions locally! Why would you want to do this? Two reasons:
  • Fast Feedback - Rather than having to commit/push every time you want to test out the changes you are making to your .github/workflows/ files (or for any changes to embedded GitHub actions), you can use act to run the actions locally. The environment variables and filesystem are all configured to match what GitHub provides.
  • Local Task Runner - I love make. However, I also hate repeating myself. With act, you can use the GitHub Actions defined in your .github/workflows/ to replace your Makefile!
• When you run act it reads in your GitHub Actions from .github/workflows/ and determines the set of actions that need to be run.
  • Uses the Docker API to either pull or build the necessary images, as defined in your workflow files and finally determines the execution path based on the dependencies that were defined.
  • Once it has the execution path, it then uses the Docker API to run containers for each action based on the images prepared earlier.
  • The environment variables and filesystem are all configured to match what GitHub provides.

Extras

Michael:

• Winter is coming: Frozendict accepted
• Django ORM stand-alone
• Command Book app announcement post

Joke: Plug ‘n Paste

• Command Book App
• uvx.sh: Install Python tools without uv or Python
• Ending 15 years of subprocess polling
• monty: A minimal, secure Python interpreter written in Rust for use by AI
• Extras
• Joke

• django-bolt: Faster than FastAPI, but with Django ORM, Django Admin, and Django packages
• pyleak
• More Django (three articles)
• Datastar
• Extras
• Joke

• GreyNoise IP Check
• tprof: a targeting profiler
• TOAD is out
• Extras
• Joke

• Better Django management commands with django-click and django-typer
• PSF Lands a $1.5 million sponsorship from Anthropic
• How uv got so fast
• PyView Web Framework
• Extras
• Joke

• port-killer
• How we made Python's packaging library 3x faster
• CodSpeed
• Extras
• Joke

• ty: An extremely fast Python type checker and LSP
• Python Supply Chain Security Made Easy
• typing_extensions
• MI6 chief: We'll be as fluent in Python as we are in Russian
• Extras
• Joke

• Has the cost of building software just dropped 90%?
• More on Deprecation Warnings
• How FOSS Won and Why It Matters
• Should I be looking for a GitHub alternative?
• Extras
• Joke

• Deprecations via warnings
• docs
• PyAtlas: interactive map of the top 10,000 Python packages on PyPI.
• Buckaroo
• Extras
• Joke

• PEP 798: Unpacking in Comprehensions
• Pandas 3.0.0rc0
• typos
• A couple testing topics
• Extras
• Joke

• Advent of Code starts today
• Django 6 is coming
• Advanced, Overlooked Python Typing
• codespell
• Extras
• Joke

• PEP 814 – Add frozendict built-in type
• From Material for MkDocs to Zensical
• Tach
• Some Python Speedups in 3.15 and 3.16
• Extras
• Joke

• Possibility of a new website for Django
• aiosqlitepool
• deptry
• browsr
• Extras
• Joke

• httptap
• 10 Smart Performance Hacks For Faster Python Code
• FastRTC
• Explore Python dependencies with pipdeptree and uv pip tree
• Extras
• Joke

• The PSF has withdrawn a $1.5 million proposal to US government grant program
• A Binary Serializer for Pydantic Models
• T-strings: Python's Fifth String Formatting Technique?
• Cronboard
• Extras
• Joke

• Cyclopts: A CLI library
• The future of Python web services looks GIL-free
• Free-threaded GC
• Polite lazy imports for Python package maintainers
• Extras
• Joke

• djrest2 - A small and simple REST library for Django based on class-based views.
• Github CLI
• caniscrape - Know before you scrape. Analyze any website's anti-bot protections in seconds.
• 🐴 GittyUp
• Extras
• Joke

• PyPI+
• uv-ship - a CLI-tool for shipping with uv
• How fast is 3.14?
• air - a new web framework built with FastAPI, Starlette, and Pydantic.
• Extras
• Joke

• Python 3.14
• Free-threaded Python Library Compatibility Checker
• Claude Sonnet 4.5
• Python 3.15 will get Explicit lazy imports
• Extras
• Joke

• PostgreSQL 18 Released
• Testing is better than DSA (Data Structures and Algorithms)
• Pyrefly in Cursor/PyCharm/VSCode/etc
• Playwright & pytest techniques that bring me joy
• Extras
• Joke

• pandas is getting pd.col expressions
• Cline, At-Cost Agentic IDE Tooling
• uv cheatsheet
• Ducky Network UI
• Extras
• Joke

• Mozilla’s Lifeline is Safe After Judge’s Google Antitrust Ruling
• troml - suggests or fills in trove classifiers for your projects
• pqrs: Command line tool for inspecting Parquet files
• Testing for Python 3.14
• Extras
• Joke

• prek
• tinyio
• The power of Python’s print function
• Vibe Coding Fiasco: AI Agent Goes Rogue, Deletes Company's Entire Database
• Extras
• Joke

• rathole
• pre-commit: install with uv
• A good example of what functools.Placeholder from Python 3.14 allows
• Converted 160 old blog posts with AI
• Extras
• Joke

• pypistats.org was down, is now back, and there’s a CLI
• State of Python 2025
• wrapt: A Python module for decorators, wrappers and monkey patching.
• pysentry
• Extras
• Joke

• pyx - optimized backend for uv
• Litestar is worth a look
• Django remake migrations
• django-chronos
• Extras
• Joke

• Coverage.py regex pragmas
• Python of Yore
• nox-uv
• A couple Django items
• Extras
• Joke

• rumdl - A Markdown Linter written in Rust
• Coverage 7.10.0: patch
• aioboto3
• You might not need a Python class
• Extras
• Joke

• Open Source Security work isn't “Special”
• uv v0.8
• Extra, Extra, Extra
• Announcing Toad - a universal UI for agentic coding in the terminal
• Extras
• Joke

• Distributed sqlite follow up: Turso and Litestream
• PEP 792 – Project status markers in the simple index
• Run coverage on tests
• docker2exe: Convert a Docker image to an executable
• Extras
• Joke

• Switching to direnv, Starship, and uv
• rqlite - Distributed SQLite DB
• Some Markdown Stuff
• Extras
• Joke

• ty documentation site and uv migration guide
• uv build backend is now stable + other Astral news
• Refactoring long boolean expressions
• fastapi-ml-skeleton
• Extras
• Joke

• Python Cheat Sheets from Trey Hunner
• Automatisch
• mureq-typed
• My CLI World
• Extras
• Joke

• The Python Language Summit 2025
• Fixing Python Properties
• complexipy
• juvio
• Extras
• Joke

• Free-threaded Python no longer “experimental” as of Python 3.14
• typed-ffmpeg
• pyleak
• Optimizing Test Execution: Running live_server Tests Last with pytest
• Extras
• Joke

• platformdirs
• poethepoet - “ Poe the Poet is a batteries included task runner that works well with poetry or with uv.”
• Python Pandas Ditches NumPy for Speedier PyArrow
• pointblank: Data validation made beautiful and powerful
• Extras
• Joke

• Making PyPI’s test suite 81% faster
• People aren’t talking enough about how most of OpenAI’s tech stack runs on Python
• PyCon Talks on YouTube
• Optimizing Python Import Performance
• Extras
• Joke

• git-flight-rules
• Uravelling t-strings
• neohtop
• Introducing Pyrefly: A new type checker and IDE experience for Python
• Extras
• Joke

• pre-commit: install with uv
• PEP 773: A Python Installation Manager for Windows (Accepted)
• Changes for Textual
• The Best Programmers I Know
• Extras
• Joke

• pirel: Python release cycle in your terminal
• FastAPI Cloud
• Python's new t-strings
• Extras
• Joke

• pip 25.1 has dependency groups, pylock.toml, plus more
• aiohttp goes free threaded
• uv 0.6.15 supports pylock.toml
• Whenever
• Extras
• Joke

• Huly
• CVE Foundation formed to take over CVE program from MITRE
• drawdb
• 14 Advanced Python Features
• Extras
• Joke

• How to Write a Git Commit Message
• Caddy Web Server
• Some new PEPs approved
• juv
• Extras
• Joke

• Git Town solves the problem that using the Git CLI correctly
• PEP 751 – A file format to record Python dependencies for installation reproducibility
• git-who and watchgha
• Share Python Scripts Like a Pro: uv and PEP 723 for Easy Deployment
• Extras
• Joke

• mdformat
• pre-commit-uv
• PEP 758 and 781
• Serie: rich git commit graph in your terminal, like magic
• Extras
• Joke

• Why aren't you using uv?
• Python Developer Tooling Handbook
• Calling all doc writers: blacken-docs
• Reinventing notebooks as reusable Python programs
• Extras
• Joke

• The weird quirk with rounding in Python
• Python interpreter adds tail calls
• Remove punctuation from a string with translate and maketrans
• Extra, extra, extra
• Extras
• Joke

• pysqlscribe
• A map of Python
• Rust, C++, and Python trends in jobs on Hacker News (February 2025)
• The features of Python's help() function
• Extras
• Joke

• My 2025 uv-based Python Project Layout for Production Apps
• aiolimiter
• A peek into a possible future of Python in the browser
• Reloadium
• Extras
• Joke

• httpdbg
• PyPI Now Supports iOS and Android Wheels for Mobile Python Development
• Arcade Game Platform goes 3.0
• PEP 765 – Disallow return/break/continue that exit a finally block
• Extras
• Joke

• PEP 772 – Packaging governance process
• Official Django MongoDB Backend Now Available in Public Preview
• Developer Philosophy
• Python 3.13.2 released
• Extras
• Joke

• content-types package for better MIME types/Content-Type
• Wagtail 6.4
• Build It Yourself
• Build backend popularity over time
• Extras
• Joke

• In memoriam: Michael Foord 1974-2025
• Valkey (Redis Replacement)
• 30 best practices for software development and testing
• mimetype.io
• Extras
• Joke

• LLM Catcher
• On PyPI Quarantine process
• RESPX
• Unpacking kwargs with custom objects
• Extras
• Joke

• Terminals & Shells
• Winloop: An Alternative library for uvloop compatibility with windows
• Ruff & uv
• uv-secure
• Extras
• Joke

• dbos-transact-py
• Typed Python in 2024: Well adopted, yet usability challenges persist
• RightTyper
• Lazy self-installing Python scripts with uv
• Extras
• Joke

• New project to shorten django-admin to django because we are not monsters
• django-unicorn: The magical reactive component framework for Django
• Testing some tidbits
• The State of Python 2024 article
• Extras
• Joke

• jiter
• A new home for python-build-standalone
• moka-py
• uv: An In-Depth Guide
• Extras
• Joke

• Loop targets
• asyncstdlib
• Bagels: TUI Expense Tracker
• rloop: An AsyncIO event loop implemented in Rust
• Extras
• Joke

• Talk Python rewritten in Quart
• PyPI now supports digital attestations
• Django Rusty Templates
• PEP 639 is now supported by PYPI
• Extras
• Joke

• Thoughts on Django’s Core
• futurepool
• Don't return named tuples in new APIs
• Ziglang: Migrating from AWS to Self-Hosting
• Extras
• Joke

• terminal-tree
• posting: The API client that lives in your terminal
• Extra, extra, extra
• UV does everything or enough that I'm not sure what else it needs to do
• Extras
• Joke

• GitHub action security: zizmor
• Python is now the top language on GitHub
• Python 3.13, what didn't make the headlines
• PyCon US 2025
• Extras
• Joke

• Python 3.14.0 alpha 1 is now available
• uv supports dependency groups
• dive: A tool for exploring each layer in a docker image
• pytest-metadata
• Extras
• Joke

• Open Source Pledge
• Jeff Triplet's DjangoTV
• PEP 735 – Dependency Groups in pyproject.toml
• livereload
• Extras
• Joke

• Briefer: Dashboards and notebooks in a single place
• Introduction to programming with Python
• setup-uv
• HTML for people
• Extras
• Joke

• Python 3.13.0 released Oct 7
• PEP 759 – External Wheel Hosting
• pytest-freethreaded
• pytest-edit
• Extras
• Joke

• uv under discussion on Mastodon
• erdantic: Entity Relationship Diagrams
• Extra, Extra, Extra
• Django Extra, Extra, Extra
• Extras
• Joke

• Architecture Decision Records (ADRs)
• narwhals: extremely lightweight compatibility layer between dataframes
• Microsoft wants Three Mile Island to fuel its AI power needs
• zsh-in-docker
• Extras
• Joke

• “We must replace uwsgi by something else”
• Let’s build and optimize a Rust extension for Python
• Fake recruiter coding tests target devs with malicious Python packages
• Monthly PSF Board Office Hours
• Extras
• Joke

• Python 3.13.0RC2, 3.12.6, 3.11.10, 3.10.15, 3.9.20, and 3.8.20 are now available!
• Docker images using uv's python
• 10 years of sustainable open source - Read the Docs
• humanize
• Extras
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• Why I Still Use Python Virtual Environments in Docker
• Python Developer Survey Results
• Anaconda Code add-in for Microsoft Excel
• Disabling Scheduled Dependency Updates
• Extras
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• Open Source Myths
• uv 0.3.0 and all the excitement
• Top pytest Plugins
• A comparison of hosts / providers for Python serverless functions (aka Faas)
• Extras
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• pyawaitable
• Annotated area charts with plotnine
• DeltaDB
• PyCon US 2024 Recap + Videos are up
• Extras
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• uv venv --python & uv python
• Python 3.12.5 released
• Compile and use dependencies for multiple Python versions in Tox
• Catalog of Dark Patterns
• Extras
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• py-free-threading.github.io
• Python’s Supportive and Welcoming Environment is Tightly Coupled to Its Progress
• Status pages for sites!
• PEP 751 – A file format to list Python dependencies for installation reproducibility
• Extras
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• Python is easy now
• Trying out free-threaded Python on macOS
• Module itertools overview
• uptime-kuma
• Extras
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• Marimo: “Future of Notebooks”
• pytest 8.3.0 & 8.3.1 are out
• Python Language Summit 2024
• bash-dungeon
• Extras
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• 2024 PSF Board Election & Proposed Bylaw Change Results
• SATYRN: A modern Jupyter client for Mac
• Incident Report: Leaked GitHub Personal Access Token
• Extra extra extra
• Extras
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• Vendorize packages from PyPI
• A Guide to Python's Weak References Using weakref Module
• Making Time Speak
• How Should You Test Your Machine Learning Project? A Beginner’s Guide
• Extras
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• Joining Strings in Python: A "Huh" Moment
• 10 hard-to-swallow truths they won't tell you about software engineer job
• My thoughts on Python in Excel
• Extra, extra, extra
• Extras
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• Solara UI Framework
• Coverage at a crossroads
• “Virtual” methods in Python classes
• Extras
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• PSF Elections coming up
• Cloud engineer gets 2 years for wiping ex-employer’s code repos
• Python: Import by string with pkgutil.resolve_name()
• DuckDB goes 1.0
• Extras
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• Dataherald
• Python's many command-line utilities
• Distroless Python
• functools.cache , cachetools , and cachebox
• Extras
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• NumPy 2.0 release date is June 16
• Uvicorn adds multiprocess workers
• pixi
• JupyterLab 4.2 and Notebook 7.2 are available
• Extras
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• PostgresREST
• How Python Asyncio Works: Recreating it from Scratch
• Bend
• The Smartest Way to Learn Python Regular Expressions
• Extras
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• Git: Force push safely with --force-with-lease and --force-if-includes
• Thoughts from PyCon 2024
• Being friendly: Strategies for friendly fork management
• tach
• Extras
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• I asked 100 devs why they aren’t shipping faster. Here’s what I learned
• Python 3.13.0 beta 1 released
• A theme editor for JupyterLab
• rich-argparse
• Extras
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• act: Run your GitHub Actions locally!
• portr
• Annotating args and kwargs in Python
• github badges
• Extras
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• Announcing py2wasm: A Python to Wasm compiler
• Exploring Python packages with Oven and PyPI Browser
• PyCharm Local LLM
• Google shedding Python devs (at least in the US).
• Extras
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• NumFOCUS concerns
• leaping pytest debugger llm
• Extra, Extra, Extra,
• PyPI has completed its first security audit
• Extras
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• How to Set Up Pre-Commit Hooks A step-by-step guide to installing and configuring pre-commit hooks on your project.
• difftastic
• Quarto
• constable
• Extras
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• pacemaker - For controlling time per iteration loop in Python.
• PyPI suspends new user registration to block malware campaign
• Python Project-Local Virtualenv Management Redux
• Python Edge Workers at Cloudflare
• Extras
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• justpath
• xz back door
• LPython
• dramatic
• Extras
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• 🤖 On Robots.txt
• niquests
• Every dunder method in Python
• Lockbox
• Extras
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• pycountry
• Does Python have pointers?
• ingestr
• Make your terminal nice
• Extras
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• 6 ways to improve the architecture of your Python project (using import-linter)
• Mountaineer
• Why Python's Integer Division Floors
• Hatchet
• Extras
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• zoxide
• Smart CLIs with Typer
• Python recommended officially by the US Government
• Textual tutorials at Mouse vs Python
• Extras
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• uv: Python packaging in Rust
• jpterm
• Everything You Can Do with Python's textwrap Module
• HTML First
• Extras
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• AppleCrate
• One way to package Python code right now
• Flask8 but why?
• Extra, Extra, Extra
• Extras
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• Dokku
• Summary of Major Changes Between Python Versions
• How to check Internet Speed via Terminal? speedtest-cli
• Blogs: We all should blog more
• Extras
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• Granian
• pytest 8 is here
• Assorted Docker Goodies
• New GitHub Copilot Research Finds 'Downward Pressure on Code Quality'
• Extras
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• Syntax Error #11: Debugging Python
• umami and umami-analytics
• pytest-suite-timeout
• Listmonk and (py) listmonk
• Extras
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• Leaving the cloud
• PEP 723 - Inline script metadata
• Flet for Android
• harlequin: The SQL IDE for Your Terminal.
• Extras
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• Python 3.13 gets a JIT
• UniDep - Unified Conda and Pip Dependency Management
• Don’t Start Pull Requests from Your Main Branch
• instld: The simplest package management
• Extras
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• Hatch v1.8
• svcs: A Flexible Service Locator for Python
• Steering Council 2024 Term Election Results
• Python protocols. When to use them in your projects to abstract and decoupling
• Extras
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• A Python/Django Advent calendar
• Dropbase helps you build internal web apps with Python
• Real-world match/case
• Extra, extra, extra, so many extras!
• Extras
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• Fixit 2: Meta’s next-generation auto-fixing linter
• FastUI
• Mail list / newsletter conversation
• CLIs from type hints
• Extras
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• Habits of great software engineers
• Flask 3.0
• Build Conway's Game of Life With Python
• polars business
• Extras
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• 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
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• exclude_also with coverage.py
• Writeside
• Extra, extra, extra
• Chrome not proceeding with Web Integrity API deemed by many to be DRM
• Extras
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• PyCon 2024 is up ?
• Ruff formatter is production ready
• gil--;
• Why is the Django Admin “Ugly”?
• Extras
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• 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
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• 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
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• Psycopg 3
• dacite
• RIP: Fast, barebones pip implementation in Rust
• Flaky Tests follow up
• Extras
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• 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
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• logmerger
• The third and final Python 3.12 RC is out now
• The Python dictionary dispatch pattern
• Visualizing the CPython Release Process
• Extras
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• OverflowAI
• Switching to Hatch
• Alpha release of the Ruff formatter
• What is wrong with TOML?
• Extras
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• Heliclockter - Like datetime, but more timezone-aware
• Wagtail 5
• Git log customization
• MiniJinja template engine
• Extras
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• mpire
• mopup - the macOS Python.org Updater
• Immortal Objects for Python
• Common Docstring Formats in Python
• Extras
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• Make Each Line Count, Keeping Things Simple in Python
• Parsel
• A Comprehensive Guide to Python Logging with Structlog
• Stamina
• Extras
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• Omnivore app
• Djangonaut.space
• Server-side hot reload
• Python in Excel
• Extras
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• Differentiating between writing down dependencies to use packages and for packages themselves
• PythonMonkey
• Quirks of Python package versioning
• bear-type
• Extras
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• async-timeout
• PyPI Project URLs Cheatsheet
• httpx-sse
• Creating a context manager in Python
• Extras
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• A Steering Council notice about PEP 703 (Making the Global Interpreter Lock Optional in CPython)
• Google's post-cookie world could turn into DRM for the internet
• How ruff changed my Python programming habits
• pathlib api extended to use fsspec backends
• Extras
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• Cython 3.0
• Reading code : An important but seldom-discussed skill
• Major new version of MicroPython: v1.20.0
• Advanced Python Tips for Development
• Extras
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• Pydantic v2 released
• Two Ways to Turbo-Charge tox
• Awesome Pydantic
• CLI tools hidden in the Python standard library
• Extras
• Joke

• Plumbum: Shell Combinators and More
• Our plan for Python 3.13
• Some blogging myths
• Jupyter AI
• Extras
• Joke

• Pydantic roadmap
• The Right Way to Run Shell Commands From Python
• US: Yep, We're Buying Your Data, Including Your Embarrassing Secrets
• Pro-Tip – pytest fixtures are magic!
• Extras
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• PythonGUIS
• JupyterLab 4.0 is Here
• Proposing a struct syntax for Python
• Python 3.13 Removes 20 Stdlib Modules
• Extras
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• pystack
• Securing PyPI accounts via Two-Factor Authentication
• Propan - a declarative Python MQ framework
• Makefile tricks for Python projects
• Extras
• Joke

• The Basics of Python Packaging in Early 2023
• vecs
• Introducing Grasshopper - An Open Source Python Library for Load Testing
• memocast
• Extras
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• Ruff PyCharm plugin
• Writing Python like it's Rust
• Pip 23.1 Released - Massive improvement to backtracking
• Markdown Code Runner
• Extras
• Joke

• Python's Missing Batteries: Essential Libraries You're Missing Out On
• awesome-polars
• Running Headless Selenium in Python (2023)
• Gracy
• Extras
• Joke

• Introducing 'Trusted Publishers’
• Mojo: a new programming language for all AI developers.
• django-prose
• pylyzer is a static code analyzer / language server for Python, written in Rust.
• Extras
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• rye - Python workflow tool
• PyPI Organizations
• 5 tips to learn any new Python library faster
• Python gets down to (the) Metal
• Extras
• Joke

• Introducing Microsoft Security Copilot
• PEP 695 – Type Parameter Syntax
• Auto-GPT
• Astral: Ruff is now a company
• Extras
• Joke

• huak - A Python package manager written in Rust. Inspired by Cargo
• PSF expresses concerns about a proposed EU law that may make it impossible to continue providing Python and PyPI to the European public
• ChaosToolkit
• PEP 711 – PyBI: a standard format for distributing Python Binaries
• Extras
• Joke

• makeapp
• Looking forward to Python 3.12
• Python 3.11.3 is out
• How to Make a Great Conference Talk
• Extras
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• Pydantic V2 Pre Release
• microdot The impossibly small web framework for Python and MicroPython
• GitHub Actions Tools: watchgha, build and inspect, and pytest annotate failures
• PEP 709 – Inlined comprehensions
• Extras
• Joke

• Prefix-cache
• NiceGUI
• flask-ngrok
• No-async async with Python
• Extras
• Joke

• zipapp
• Reverse engineering the Apple News app with #python and #nerd power
• What is a context manager?
• nox-poetry: Use Poetry inside Nox sessions
• Extras
• Joke

• pydantic-xml extension
• How virtual environments work
• DbDeclare
• Testing multiple Python versions with nox and pyenv
• Extras
• Joke

• Data Classification: Does Python still have a need for class without @dataclass?
• PyGWalker
• An opinionated Python boilerplate
• Front Matter VS Code
• Extras
• Joke

• Python Parquet and Arrow: Using PyArrow With Pandas
• FastAPI-Filter
• 12 Python Decorators to Take Your Code to the Next Level
• PyHamcrest
• Extras
• Joke

• Use TOML for .env files?
• Pydantic gets serious funding
• f-strings with pandas and Jupyter keyboard shortcuts
• BioGPT
• Extras
• Joke

• camply
• hatch-fancy-pypi-readme
• EU hates open source?
• So, Single (‘) or Double (“) Quotes in Python?
• Extras
• Joke

• Packaging Python Projects
• untangle xml
• Thoughts on the Python packaging ecosystem
• Top PyPI Packages
• Extras
• Joke

• git-sim
• Why I Like Nox
• I scanned every package on PyPi and found 57 live AWS keys
• Getting Started With Property-Based Testing in Python With Hypothesis and pytest
• Extras
• Joke

• markdown-it-py
• Sketch
• Fixing Circular Imports in Python with Protocol
• unrepl
• Extras
• Joke

• Secure maintainer workflow
• Tools for parsing HTML and JSON
• git-sizer
• Dataclasses without type annotations
• Extras
• Joke

• PEP 703 - Making the GIL Optional in CPython
• FerretDB
• Four tips for structuring your research group’s Python packages
• Quibbler
• Extras
• Joke

• StackOverflow 2022 Developer Survey
• PePy.tech - PyPI download stats with package version breakdown
• Codon Python Compiler
• 8 Levels of Using Type Hints in Python
• Extras
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