#337 Backtracking For a Package

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محتوای ارائه شده توسط Michael Kennedy and Brian Okken. تمام محتوای پادکست شامل قسمت‌ها، گرافیک‌ها و توضیحات پادکست مستقیماً توسط Michael Kennedy and Brian Okken یا شریک پلتفرم پادکست آن‌ها آپلود و ارائه می‌شوند. اگر فکر می‌کنید شخصی بدون اجازه شما از اثر دارای حق نسخه‌برداری شما استفاده می‌کند، می‌توانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal

We Have The Receipts

1
Battle Camp S1: Reality Rivalries with Dana Moon & QT 1:00:36

20 روز پیش1:00:36

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1:00:36

Do you have fond childhood memories of summer camp? For a chance at $250,000, campers must compete in a series of summer camp-themed challenges to prove that they are unbeatable, unhateable, and unbreakable. Host Chris Burns is joined by the multi-talented comedian Dana Moon to recap the first five episodes of season one of Battle Camp . Plus, Quori-Tyler (aka QT) joins the podcast to dish on the camp gossip, team dynamics, and the Watson to her Sherlock Holmes. Leave us a voice message at www.speakpipe.com/WeHaveTheReceipts Text us at (929) 487-3621 DM Chris @FatCarrieBradshaw on Instagram Follow We Have The Receipts wherever you listen, so you never miss an episode. Listen to more from Netflix Podcasts.…

۲ سال پیش 32:18

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Topics covered in this episode:

Ruff PyCharm plugin
Writing Python like it's Rust
Pip 23.1 Released - Massive improvement to backtracking
Markdown Code Runner
Extras
Joke

See the full show notes for this episode on the website at pythonbytes.fm/337

435 قسمت

#Python #Prog Languages #Michael Kennedy #Brian Okken #Tech #News #Tech News #Open Source

Python Bytes

#337 Backtracking For a Package

Python Bytes

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published ۲ سال پیش

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MP3•خانه قسمت

Fetch error

Hmmm there seems to be a problem fetching this series right now. Last successful fetch was on May 05, 2025 21:09 (12d ago)

Topics covered in this episode:

Ruff PyCharm plugin
Writing Python like it's Rust
Pip 23.1 Released - Massive improvement to backtracking
Markdown Code Runner
Extras
Joke

See the full show notes for this episode on the website at pythonbytes.fm/337

435 قسمت

#Python #Prog Languages #Michael Kennedy #Brian Okken #Tech #News #Tech News #Open Source

Усі епізоди

Python Bytes

1
#431 Nerd Gas 29:27

13 روز پیش29:27

29:27

Topics covered in this episode: pirel: Python release cycle in your terminal FastAPI Cloud Python's new t-strings Extras Joke Watch on YouTube About the show Sponsored by NordLayer : pythonbytes.fm/nordlayer 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: pirel: Python release cycle in your terminal pirel check shows release information about your active Python interpreter. If the active version is end-of-life, the program exits with code 1. If no active Python interpreter is found, the program exits with code 2. pirel list lists all Python releases in a table. Your active Python interpreter is highlighted. A picture is worth many words Brian #2: FastAPI Cloud Sebastián Ramírez, creator of FastAPI, announced today the formation of a new Company, FastAPI Cloud. Here’s the announcement blog post: FastAPI Cloud - By The Same Team Behind FastAPI There’s a wait list to try it out. Promises to turns deployment into fastapi login; fastapi deploy Side note: announcement includes quote from Daft Punk: Build Harder, Better, Faster, Stronger I just included this in a talk I’m gave last week (and will again next week), where I modify this to “Build Easier, Better, Faster, Stronger” Sebastian and I are both fans of the rocket emoji. BTW, we first covered FastAPI on episode 123 in 2019 Brian #3: Python's new t-strings Dave Peck, one of the authors of PEP 750, which will go into Python 3.14 We covered t-strings in ep 428 In article t-strings security benefits over f-strings How to work with t-strings A Pig Latin example Also, I think I have always done this wrong Is it the first consonant to the end? or the first consonant cluster? So… Brian → Rianbay? or Ianbray? BTW, this is an example of nerdgassing What’s next once t-strings ship? On thing that’s next (in Python 3.15, maybe, is using t-strings in shlex and subprocess) PEP 787 – Safer subprocess usage using t-strings deferred to 3.15 Michael #4 : zev A simple CLI tool to help you remember terminal commands. Examples: # Find running processes zev 'show all running python processes' # File operations zev 'find all .py files modified in the last 24 hours' # System information zev 'show disk usage for current directory' # Network commands zev 'check if google.com is reachable' # Git operations zev 'show uncommitted changes in git' Again, picture worth many words: Extras Brian: Holy Grail turns 50 nerdgassing Michael: Transcripts are a bit better now. Zen is better now Joke: Can my friend come in?…

Python Bytes

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#430 Or you go to jail 29:11

20 روز پیش29:11

29:11

Topics covered in this episode: pip 25.1 has dependency groups, pylock.toml, plus more aiohttp goes free threaded uv 0.6.15 supports pylock.toml Whenever Extras Joke Watch on YouTube About the show Sponsored by Porkbun ! Use our link pythonbytes.fm/porkbun and get a .app or .dev domain for $5.99 at Porkbun. 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. Brian #1: pip 25.1 has dependency groups, pylock.toml, plus more post What's new in pip 25.1 - Dependency groups! Richard Si Discovered this through Hugo van Kemenade Dependency groups, PEP 735, supported # pyproject.toml [dependency-groups] test = ["pytest", "pytest-xdist"] lint = ["mypy", "isort"] # Dependency Groups can include other groups! ✨ dev = [ {include-group = "test"}, {include-group = "lint"} ] Package installation progress bar Resumable downloads Experimental lockfile generation, PEP 751, with pip lock so cool pip index versions is stable, no longer experimental use this to get a list of available versions ex: python3 -m pip index versions pytest-check combine with --json to get a nice script readable output Michael #2: aiohttp goes free threaded Thanks to months of consistent contributions by Lysandros Nikolaou, all of the mandatory dependencies of #aiohttp now ship free-threaded variants of #wheels ! This unlocks the same in aiohttp ! Brian #3: uv 0.6.15 supports pylock.toml Discovered through Brett Cannon So far, these projects support pylock.toml pip pip-audit pdm uv With uv To export a uv.lock to the pylock.toml format, run: uv export -o pylock.toml To generate a pylock.toml file from a set of requirements, run: uv pip compile -o pylock.toml -r requirements.in To install from a pylock.toml file, run: uv pip sync pylock.toml or uv pip install -r pylock.toml Michael #4: Whenever via Pat Decker Typed and DST-safe datetimes for Python, available in Rust or pure Python. Whenever helps you write correct and type checked datetime code. It's also way faster than other third-party libraries—and usually the standard library as well. Extras Brian: Every UUID Michael: New Vulnerability in GitHub Copilot and Cursor: How Hackers Can Weaponize Code Agents via Brian Skinn And typosquatting in the AI age Firefox Send alternatives file.pizza via @rafaelwo bitwarden send Joke: Can you Vibe? Interview with Vibe Coder in 2025 Senior Engineer tries Vibe Coding…

Python Bytes

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#429 Nitpicking Python 27:24

27 روز پیش27:24

27:24

Topics covered in this episode: Huly CVE Foundation formed to take over CVE program from MITRE drawdb 14 Advanced Python Features Extras Joke Watch on YouTube About the show Sponsored by Posit Workbench: pythonbytes.fm/workbench 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: Huly All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion) If you're primarily interested in self-hosting Huly without the intention to modify or contribute to its development, please use huly-selfhost . Manage your tasks efficiently with Huly's bidirectional GitHub synchronization. Use Huly as an advanced front-end for GitHub Issues and GitHub Projects. Connect every element of your workflow to build a dynamic knowledge base. Everything you need for productive team work: Team Planner • Project Management • Virtual Office • Chat • Documents • Inbox Self hosting as a service: elest.io Brian #2: CVE Foundation formed to take over CVE program from MITRE Back story: CVE, global source of cybersecurity info, was hours from being cut by DHS The 25-year-old CVE program, an essential part of global cybersecurity, is cited in nearly any discussion or response to a computer security issue. CVE was at real risk of closure after its contract was set to expire on April 16. The nonprofit MITRE runs CVE on a contract with the DHS. A letter last Tuesday sent Tuesday by Yosry Barsoum, vice president of MITRE, gave notice of the potential halt to operations. Another possible victim of the current administration. CVE Foundation Launched to Secure the Future of the CVE Program CVE Board members have spent the past year developing a strategy to transition CVE to a dedicated, non-profit foundation. The new CVE Foundation will focus solely on continuing the mission of delivering high-quality vulnerability identification and maintaining the integrity and availability of CVE data for defenders worldwide. Over the coming days, the Foundation will release more information about its structure, transition planning, and opportunities for involvement from the broader community. Michael #3: drawdb Free and open source, simple, and intuitive database design editor, data-modeler, and SQL generator. Great drag-drop relationship manager Define your DB visually, export as SQL create scripts Or import existing SQL to kickstart the diagramming. Brian #4: 14 Advanced Python Features Edward Li Picking some favorites 1. Typing Overloads 2. Keyword-only and Positional-only Arguments 9. Python Nitpicks For-else statements Walrus operator Short Circuit Evaluation Operator Chaining Extras Michael: Thunderbird send / other firefox things . Joke: Python Tariffs Thanks wagenrace Thanks Campfire Tales…

Python Bytes

1
#428 How old is your Python? 31:00

۵ weeks پیش31:00

31:00

Topics covered in this episode: How to Write a Git Commit Message Caddy Web Server Some new PEPs approved juv Extras Joke Watch on YouTube About the show Sponsored by Posit Connect : pythonbytes.fm/connect 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. Brian #1: How to Write a Git Commit Message Chris Beams 7 rules of a great commit message Separate subject from body with a blank line Limit the subject line to 50 characters Capitalize the subject line Do not end the subject line with a period Use the imperative mood in the subject line Wrap the body at 72 characters Use the body to explain what and why vs. how Article also includes Why a good commit message matters Discussion about each of the 7 rules Cool hat tips to other articles on the subject “ Keep in mind: This has all been said before .” Each word is a different link. Michael #2: Caddy Web Server via Fredrik Mellström Like a more modern NGINX Caddy automatically obtains and renews TLS certificates for all your sites. Caddy's native configuration is a JSON document. Even localhost and internal IPs are served with TLS using the intermediate of a fully-automated, self-managed CA that is automatically installed into most local trust stores. Configure multiple Caddy instances with the same storage, and they will automatically coordinate certificate management as a fleet. Production-grade static file server. Brian #3: Some new PEPs approved PEP 770 – Improving measurability of Python packages with Software Bill-of-Materials Accepted for packaging Author: Seth Larson, Sponsor Brett Cannon “This PEP proposes using SBOM documents included in Python packages as a means to improve automated software measurability for Python packages.” PEP 750 – Template Strings Accepted for Python 3.14 Author: Jim Baker, Guido van Rossum, Paul Everitt, Kaudai Aono, Lysandros Nikolaou, Dave Peck “Templates provide developers with access to the string and its interpolated values before they are combined. This brings native flexible string processing to the Python language and enables safety checks, web templating, domain-specific languages, and more.” Michael #4: juv A toolkit for reproducible Jupyter notebooks, powered by uv . Create, manage, and run Jupyter notebooks with their dependencies Pin dependencies with PEP 723 - inline script metadata Launch ephemeral sessions for multiple front ends (e.g., JupyterLab, Notebook, NbClassic) Powered by uv for fast dependency management Use uvx to run jupyterlab with ephemeral virtual environments and tracked dependencies. Extras Brian: Status of Python versions new-ish format Use this all the time. Can’t remember if we’ve covered the new format yet. See also Python endoflife.date Same dates, very visible encouragement to move on to Python 3.13 if you haven’t already. Michael: Python 3.13.3 is out . .git-blame-ignore-revs follow up Joke: BGPT (thanks Doug Farrell)…

Python Bytes

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#427 Rise of the Python Lord 36:31

۶ weeks پیش36:31

36:31

Topics covered in this episode: 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 Watch on YouTube About the show Sponsored by Posit Package Manager : pythonbytes.fm/ppm 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: Git Town solves the problem that using the Git CLI correctly Git Town is a reusable implementation of Git workflows for common usage scenarios like contributing to a centralized code repository on platforms like GitHub, GitLab, or Gitea. Think of Git Town as your Bash scripts for Git, but fully engineered with rock-solid support for many use cases, edge cases, and error conditions. Keep using Git the way you do now, but with extra commands to create various branch types, keep them in sync, compress, review, and ship them efficiently. Basic workflow Commands to create, work on, and ship features. git town hack - create a new feature branch git town sync - update the current branch with all ongoing changes git town switch - switch between branches visually git town propose - propose to ship a branch git town ship - deliver a completed feature branch Additional workflow commands Commands to deal with edge cases. git town delete - delete a feature branch git town rename - rename a branch git town repo - view the Git repository in the browser Brian #2: PEP 751 – A file format to record Python dependencies for installation reproducibility Accepted From Brett Cannon “PEP 751 has been accepted! This means Python now has a lock file standard that can act as an export target for tools that can create some sort of lock file. And for some tools the format can act as their primary lock file format as well instead of some proprietary format.” File name: pylock.toml or at least something that starts with pylock and ends with .toml It’s exciting to see the start of a standardized lock file Michael #3: git-who and watchgha git-who is a command-line tool for answering that eternal question: Who wrote this code?! Unlike git blame, which can tell you who wrote a line of code, git-who tells you the people responsible for entire components or subsystems in a codebase. You can think of git-who sort of like git blame but for file trees rather than individual files. And watchgha - Live display of current GitHub action runs by Ned Batchelder Brian #4: Share Python Scripts Like a Pro: uv and PEP 723 for Easy Deployment Dave Johnson Nice full tutorial discussing single file Python scripts using uv with external dependencies Starting with a script with dependencies. Using uv add --script [HTML_REMOVED] [HTML_REMOVED] to add a /// script block to the top Using uv run Adding #!/usr/bin/env -S uv run --script shebang Even some Windows advice Extras Brian: April 1 pranks done well BREAKING: Guido van Rossum Returns as Python’s BDFL including Brett Cannon noted as “Famous Python Quotationist” Guido taking credit for “I came for the language but I stayed for the community” which was from Brett then Brett’s title of “Famous Python Quotationist” is crossed out. Barry Warsaw asking Guido about releasing Python 2.8 Barry is the FLUFL, “Friendly Language Uncle For Life “ Mariatta can’t get Guido to respond in chat until she addresses him as “my lord”. “… becoming one with whitespace.” “Indentation is Enlightenment” Upcoming new keyword: maybe Like “if” but more Pythonic as in Maybe: print("Python The Documentary - Coming This Summer!") I’m really hoping there is a documentary April 1 pranks done poorly Note: pytest-repeat works fine with Python 3.14, and never had any problems If you have to explain the joke, maybe it’s not funny. The explanation pi, an irrational number, as in it cannot be expressed by a ratio of two integers, starts with 3.14159 and then keeps going, and never repeats. Python 3.14 is in alpha and people could be testing with it for packages Test & Code is doing a series on pytest plugins pytest-repeat is a pytest plugin, and it happened to not have any tests for 3.14 yet. Now the “joke”. I pretended that I had tried pytest-repeat with Python 3.14 and it didn’t work. Test & Code: Python 3.14 won't repeat with pytest-repeat Thus, Python 3.14 won’t repeat. Also I mentioned that there was no “rational” explanation. And pi is an irrational number. Michael: pysqlscribe v0.5.0 has the “parse create scripts” feature I suggested! Markdown follow up Prettier to format Markdown via Hugo Been using mdformat on some upcoming projects including the almost done Talk Python in Production book . Command I like is mdformat --number --wrap no ./ uv tool install --with is indeed the pipx inject equivalent, but requires multiple --with's: pipx inject mdformat mdformat-gfm mdformat-frontmatter mdformat-footnote mdformat-gfm-alerts uv tool install mdformat --with mdformat-gfm --with mdformat-frontmatter --with mdformat-footnote --with mdformat-gfm-alerts uv follow up From James Falcon As a fellow uv enthusiast, I was still holding out for a use case that uv hasn't solved. However, after last week's episode, you guys finally convinced me to switch over fully, so I figured I'd explain the use case and how I'm working around uv's limitations. I maintain a python library supported across multiple python versions and occasionally need to deal with bugs specific to a python version. Because of that, I have multiple virtualenvs for one project. E.g., mylib38 (for python 3.8), mylib313 (for python 3.13), etc. I don't want a bunch of .venv directories littering my project dir. For this, pyenv was fantastic. You could create the venv with pyenv virtualenv 3.13.2 mylib313 , then either activate the venv with pyenv activate mylib313 and create a .python-version file containing mylib313 so I never had to manually activate the env I want to use by default on that project. uv doesn't have a great solution for this use case, but I switched to a workflow that works well enough for me: Define my own central location for venvs. For me that's ~/v Create venvs with something like uv venv --python 3.13 ~/v/mylib313 Add a simple function to my bashrc: ` workon() { source ~/v/$1/bin/activate } \ so now I can run \workon mylib313 or workon mylib38 when I need to work in a specific environment. uv's .python-version` support works much differently than pyenv's, and that lack of support is my biggest frustration with this approach, but I am willing to live without it. Do you Firefox but not Zen? You can now make pure Firefox more like Zen’s / Arc’s layout. Joke: So here it will stay See the follow up thread too! Also: Guido as Lord Python via Nick Muoh…

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#426 Committing to Formatted Markdown 29:18

۷ weeks پیش29:18

29:18

Topics covered in this episode: mdformat pre-commit-uv PEP 758 and 781 Serie : rich git commit graph in your terminal, like magic Extras Joke Watch on YouTube About the show Sponsored by Posit Connect Cloud : pythonbytes.fm/connect-cloud 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. Brian #1: mdformat Suggested by Matthias Schöttle Last episode Michael covered blacken-docs, and I mentioned it’d be nice to have an autoformatter for text markdown. Matthias delivered with suggesting mdformat “Mdformat is an opinionated Markdown formatter that can be used to enforce a consistent style in Markdown files.” A python project that can be run on the command line. Uses a style guide I mostly agree with. I’m not a huge fan of numbered list items all being “1.”, but that can be turned off with --number, so I’m happy. Converts underlined headings to #, ##, etc. headings. Lots of other sane conventions. The numbering thing is also sane, I just think it also makes the raw markdown hard to read. Has a plugin system to format code blocks Michael #2: pre-commit-uv via Ben Falk Use uv to create virtual environments and install packages for pre-commit. Brian #3: PEP 758 and 781 PEP 758 – Allow except and except* expressions without parentheses accepted PEP 781 – Make TYPE_CHECKING a built-in constant draft status Also, PEP Index by Category kinda rocks Michael #4: Serie : rich git commit graph in your terminal, like magic While some users prefer to use Git via CLI, they often rely on a GUI or feature-rich TUI to view commit logs. Others may find git log --graph sufficient. Goals Provide a rich git log --graph experience in the terminal. Offer commit graph-centric browsing of Git repositories. Extras Michael: Sunsetting Search ? ( Startpage ) Ruff in or out ? Joke: Wishing for wishes…

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#425 If You Were a Klingon Programmer 37:55

۸ weeks پیش37:55

37:55

Topics covered in this episode: Why aren't you using uv ? Python Developer Tooling Handbook Calling all doc writers: blacken-docs Reinventing notebooks as reusable Python programs Extras Joke Watch on YouTube About the show Brought to you by Posit Connect: pythonbytes.fm/connect . 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: Why aren't you using uv ? Fun conversation on X by Armin Ronacher . Interesting quotes from the thread I get it replaces pip/pyenv, but should I also use it instead of the built in 'python -m venv .venv'? But I need python installed to make python programs? Because it places the venv in the project folder and I can't run executables from there due to corporate policy. Many such cases. No idea why astral doesn't address this with more urgency. Sounds like a bad corporate policy :) i’m too lazy to switch from pyenv and pip trust issues, what if they do a bait and switch … Because everyone said that about poetry and I'm not sure I'm really ready to get hurt again. Masochism Many times I tried a lot of similar tools and always come back to pip and pip-tools. Them are just work, why should I spend my time for something "cool" that will bring more problems? I tried this week but I was expecting a "uv install requests" instead of "uv add". Switched back to pipenv. we partially use it. will transition when Dependabot support is available. I’ll leave it with → Jared Scheel: Seeing a whole lotta Stockholm Syndrome in the replies to this question. Brian #2: Python Developer Tooling Handbook Tim Hopper “This is not a book about programming Python. Instead, the goal of this book is to help you understand the ecosystem of tools used to make Python development easier and more productive” Covers tools related to packaging, linting, formatting, and managing dependencies. Michael #3: Calling all doc writers: blacken-docs Run black on python code blocks in documentation files You can also install blacken-docs as a pre-commit hook. It supports Markdown, reStructuredText, and LaTex files. Additionally, you can run it on Python files to reformat Markdown and reStructuredText within docstrings. Brian #4: Reinventing notebooks as reusable Python programs marimo allows you to store notebooks as plaintext Python files properties Git-friendly: small code change => small diff easy for both humans and computers to read importable as a Python module, without executing notebook cells executable as a Python script editable with a text editor Also, … testing with pytest “Because marimo notebooks are just Python files, they are interoperable with other tools for Python — including pytest. “ “ Testing cells. Any cell named as test_* is automatically discoverable and testable by pytest. The same goes for any cell that contains only test_ functions and Test classes.” “Importantly, because cells are wrapped in functions, running pytest test_notebook.py doesn’t execute the entire notebook — just its tests.” Extras Brian: PyConUS announces Refund Policy for International Attendees New format now live for The Complete pytest Course Bundle and component courses Each course now available separately also pytest Primary Power is 13 lessons, 3.9 hours Using pytest with Projects , 10 lessons, 3.4 hours pytest Booster Rockets , 6 lessons, 1.3 hours of content New format is easier to navigate Better for people who like different speeds. I’m usually a 1.25x-1.5x speed person. Now also with Congratulations! lessons (with fireworks) and printable certificates. Michael: PyCon Taiwan is currently calling for proposals HN trends follow up via Shinjitsu I'm sure some other Hacker News reader has already given you the feedback, but in the unlikely case that they haven't, You read those headlines in this segment exactly wrong. “Ask HN: Who is hiring?" is a monthly post that asks employers to post about jobs they have available “Ask HN: Who wants to be hired?” is a monthly topic where they ask people who are looking for jobs to post about themselves in the hope that their skillset it is a good match (and not an LLM generated resume) So unfortunately your rosy analysis might need a less rosy interpretation. Joke: Top 12 things likely to be overheard if you had a Klingon Programmer From Holgi on Mastodon…

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#424 We Will Test in Production 27:23

۹ weeks پیش27:23

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Topics covered in this episode: 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 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 / @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. Brian #1: The weird quirk with rounding in Python Tom Nijhof-Verheesb With numbers ending in .5, Python always rounds to an even number. round(0.5) → 0 round(1.5) → 2 etc This follows IEEE 754 You can use decimal if you need a different behavior. Michael #2: Python interpreter adds tail calls Ken Jin, a member of the project, has merged a new set of changes that have been benchmarked as improving performance by 10% for some architectures. "Speedup is roughly equal to 2 minor CPython releases worth of improvements. For example, CPython 3.12 roughly sped up by 5%.” Brian #3: Remove punctuation from a string with translate and maketrans Rodrigo “Don't use the method replace to remove punctuation from a Python string. Instead, use the method translate .” Michael #4: Extra, extra, extra Animation v Coding, hello world to transformers TypeScript rewritten in Go Firefox lies PyCon’s Startup Row Python in Production Book Extras Joke: Startrek Testing…

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#423 Traveling the Python Universe 26:49

10 weeks پیش26:49

26:49

Topics covered in this episode: 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 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 / @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: pysqlscribe A Python library intended to make building SQL queries in your code a bit easier. A Query object can be constructed using the QueryRegistry's get_builder featuring a dialect (e.g; "mysql", "postgres", "oracle"). Brian #2: A map of Python Cool visualization of dependencies in PyPI packages Even cooler visualization (linked from main article) Michael #3: Rust, C++, and Python trends in jobs on Hacker News (February 2025) Interesting supply and demand comparisons from at least on source. Brian #4: The features of Python's help() function Trey Hunner Don’t forget how useful and cool help() is. Extras Michael: Granian works with FastAPI again Joke: Computer engineer vs. Geologist…

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#422 You need 4 spaces 32:52

11 weeks پیش32:52

32:52

Topics covered in this episode: 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 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 / @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. Brian #1: My 2025 uv-based Python Project Layout for Production Apps Hynek Schlawack Discusses uv, a simple pyproject.toml, a simple project layout, and uv.lock as the modern way to ditch requirements.txt files This is the starting video in a series, but it’s already very worthwhile Michael #2: aiolimiter An efficient implementation of a rate limiter for asyncio. This project implements the Leaky bucket algorithm , giving you precise control over the rate a code section can be entered. Brian #3: A peek into a possible future of Python in the browser a.k.a “Secret SPy Stuff” Łukasz Langa A peek at SPy, a new language for Python on the web. Michael #4: Reloadium Hot Reloading and Profiling for Python If you are a PyCharm user please check out Reloadium plugin See also: github.com/mikeckennedy/server-hot-reload Extras Brian: Making an alternate version of The Complete pytest Course Michael: Book: Zero Day: A Jeff Aiken Novel Warp terminal on Windows is out. PyCon Ed Summit announced. Joke: py programmer walks into a bar…

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#421 22 years old 22:49

12 weeks پیش22:49

22:49

Topics covered in this episode: 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 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 / @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: httpdbg A tool for Python developers to easily debug the HTTP(S) client requests in a Python program. To use it, execute your program using the pyhttpdbg command instead of python and that's it. Open a browser to http://localhost:4909 to view the requests Brian #2: PyPI Now Supports iOS and Android Wheels for Mobile Python Development Sara Gooding “the Python Packaging Index (PyPI) has officially begun accepting and distributing pre-compiled binary packages, known as "wheels," for both iOS and Android platforms. “ Next up, “cibuildwheel Updates Are in Progress to Simplify iOS and Android Wheel Creation” Michael #3: Arcade Game Platform goes 3.0 via Maic Siemering This is our first major release since 2022. It keeps the beginner-friendly API while adding power and efficiency. Arcade now supports both standard OpenGL and ShaderToy ( www.shadertoy.com) a-shaders through a compatibility layer. Since 3.0 is a major release, the full list of changes is over in github.com/pythonarcade/arcade/blob/development/CHANGELOG.md Brian #4: PEP 765 – Disallow return/break/continue that exit a finally block Accepted for Python 3.14 I wouldn’t have thought to do this anyway, but it’s weird, so don’t. Will become a SyntaxWarning catchable by running with -We Extras Brian: Correction: Niki Tonsky was originator of “Pride Versioning” . Thanks Nikita Correction: Scheme is actually awesome. Brian is just a curmudgeon Also: pytest-rerunfailures is good for exposing flaky tests And apparently me being wrong was a great to get at least one person to blog more. Cheers Filip Łajszczak Michael: Tea pot follow up While you're right that some software actually had this implemented, Python does not. It's not an officially accepted HTTP status code, it was proposed in a 'joke' RFC. I guess Python - even though its name comes from the funny TV series Monty Python - is not so funny. httpx, your (or at least -my-) favorite HTTP module for python, does have the I_AM_A_TEAPOT constant. By the way, there are some HTTP status codes that changed their names in RFC 9110, for instance, http.HTTPStatus.UNPROCESSABLE_CONTENT (422, previously UNPROCESSABLE_ENTITY) Pride follow up fosstodon.org/@kytta/114034442981727301 Time to upgrade your mini ? Joke: How old is she ?…

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#420 90% Done in 50% of the Available Time 27:47

13 weeks پیش27:47

27:47

Topics covered in this episode: PEP 772 – Packaging governance process Official Django MongoDB Backend Now Available in Public Preview Developer Philosophy Python 3.13.2 released Extras Joke See the full show notes for this episode on the website at pythonbytes.fm/420

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#419 Is your back end popular? 30:06

15 weeks پیش30:06

30:06

Topics covered in this episode: content-types package for better MIME types/Content-Type Wagtail 6.4 Build It Yourself Build backend popularity over time Extras Joke See the full show notes for this episode on the website at pythonbytes.fm/419

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#418 I'm a tea pot 20:22

16 weeks پیش20:22

20:22

Topics covered in this episode: In memoriam: Michael Foord 1974-2025 Valkey (Redis Replacement) 30 best practices for software development and testing mimetype.io Extras Joke See the full show notes for this episode on the website at pythonbytes.fm/418

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#417 Bugs hide from the light 23:35

17 weeks پیش23:35

23:35

Topics covered in this episode: LLM Catcher On PyPI Quarantine process RESPX Unpacking kwargs with custom objects Extras Joke See the full show notes for this episode on the website at pythonbytes.fm/417

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