Python Bytes is a weekly podcast hosted by Michael Kennedy and Brian Okken. The show is a short discussion on the headlines and noteworthy news in the Python, developer, and data science space.
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#370 Your Very Own Heroku
Topics covered in this episode: Dokku Summary of Major Changes Between Python Versions How to check Internet Speed via Terminal? speedtest-cli Blogs: We all should blog more Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Dokku An open source PAAS alternative to Heroku. Dokku helps you build and manage the lifecycle of applications from building to scaling. Powered by Docker, you can install Dokku on any hardware. Once it's set up on a host, you can push Heroku-compatible applications to it via Git. Rich plug in architecture. Brian #2: Summary of Major Changes Between Python Versions Nicholas Hairs Changes between versions & Tools & utilities to help with switching Hopefully you’re already at least at 3.8, but come on, 3.11 & 3.12 are so fun! Useful things pyupgrade can automatically upgrade code base (However, I frequently just upgrade and run tests and let my old code be as-is until it bugs me. - Brian) black checks pyproject.toml requires-python setting and uses version specific rules. Versions (way more highlights listed in the article) 3.8 Assignment expressions := walrus f"{variable=}" now works 3.9 Typing has built in generics like dict[], so no more from typing import Dict Dict union operator Strings can removeprefix and removesuffix 3.10 Structural pattern matching match/case Typing: Union using pipe | Dataclasses support slots=True and kw_only=True 3.11 tomllib included as a standard TOMP parser Exception groups Exception Notes add_note() Typing: A Self type Star unpacking expressions allowed in for statements: for x in *a, *b: 3.12 f-strings can re-use quotes Typing: better type parameter syntax Typing: @override decorator ensures a method being overridden by a child class actually exists. Michael #3: How to check Internet Speed via Terminal? speedtest-cli Command line interface for testing internet bandwidth using speedtest.net Just pipx install speedtest-cli Has a Python API too Brian #4: Blogs: We all should blog more Jeff Triplett is attempting one post per day in February Feb 1: Choosing the Right Python and Django Versions for Your Projects Feb 2: My First Mac Which also links to a quite interesting Personal: Default Apps 2023 Feb 3: What’s Your Go-to Comfort Media? [rough cut] Feb 4: The Django apps I actually use (rough cut) Feb 5: How to test with Django and pytest fixtures Need ideas? Check out Build an idea bank and never run out of blog ideas Not using AI? Thanks. We appreciate that. Maybe tag it as Not By AI Extras Brian: If upgrading to pytest 8, be aware that running individual tests with parametrization will result in a reverse order. It shouldn’t matter. You shouldn’t be depending on test order. But it was surprising to me. Issue has been logged Michael: Orbstack follow up Joke: White Lies
#369 The Readability Episode
Topics covered in this episode: Granian pytest 8 is here Assorted Docker Goodies New GitHub Copilot Research Finds 'Downward Pressure on Code Quality' Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Granian via Andy Shapiro and Bill Crook A Rust HTTP server for Python applications. Granian design goals are: Have a single, correct HTTP implementation, supporting versions 1, 2 (and eventually 3) Provide a single package for several platforms Avoid the usual Gunicorn + uvicorn + http-tools dependency composition on unix systems Provide stable performance when compared to existing alternatives Could use better logging But making my own taught me maybe I prefer that! Originates from the Emmett framework. Brian #2: pytest 8 is here Improved diffs: Very verbose -vv is a colored diff, instead of a big chunk of red. Python code in error reports is now syntax-highlighted as Python. The sections in the error reports are now better separated. Diff for standard library container types are improved. Added more comprehensive set assertion rewrites for comparisons other than equality ==, with the following operations now providing better failure messages: !=, <=, >=, <, and >. Improvements to -r for xfailures and xpasses Report tracebacks for xfailures when -rx is set. Report captured output for xpasses when -rX is set. For xpasses, add - in summary between test name and reason, to match how xfail is displayed. This one was important to me. Massively helps when checking/debugging xfail/xpass outcomes in CI. Thanks to Fabian Sturm, Bruno Oliviera, and Ran Benita for help to get this release. Lots of other improvements See full changelog for all the juicy details. And then upgrade and try it out! pip install -U pytest Michael #3: Assorted Docker Goodies OrbStack Say goodbye to slow, clunky containers and VMs OrbStack is the fast, light, and easy way to run Docker containers and Linux. Develop at lightspeed with our Docker Desktop alternative. Podman Podman is an open source container, pod, and container image management engine. Podman makes it easy to find, run, build, and share containers. Manage containers (not just Podman.) Podman Desktop allows you to list, view, and manage containers from multiple supported container engines* in a single unified view. Gain easy access to a shell inside the container, logs, and basic controls. Works on Podman, Docker, Lima, kind, Red Hat OpenShift, Red Hat OpenShift Developer Sandbox. CasaOS Your Personal Cloud OS. Community-based open source software focused on delivering simple personal cloud experience around Docker ecosystem. Also have the ZimaCube hardware (Personal cloud. Re-invented.) Brian #4: New GitHub Copilot Research Finds 'Downward Pressure on Code Quality' David Ramel Regarding “…the quality and maintainability of AI-assisted code compared to what would have been written by a human.” Q: "Is it more similar to the careful, refined contributions of a Senior Developer, or more akin to the disjointed work of a short-term contractor?" A: "We find disconcerting trends for maintainability. Code churn -- the percentage of lines that are reverted or updated less than two weeks after being authored -- is projected to double in 2024 compared to its 2021, pre-AI baseline. We further find that the percentage of 'added code' and 'copy/pasted code' is increasing in proportion to 'updated,' 'deleted,' and 'moved 'code. In this regard, AI-generated code resembles an itinerant contributor, prone to violate the DRY-ness [don't repeat yourself] of the repos visited." Extras Brian: Did I mention pytest 8? Just pip install -U pytest today And if you want to learn pytest super fast, check out The Complete pytest Course or grab a copy of the book, Python Testing with pytest Michael: I’d like to encourage people to join our mailing list. We have some fun plans and some of them involve our newsletter. It’s super private, no third parties, no spam and is based on my recent Docker and Listmonk work. Big release for Pydantic, 2.6. New essay: Use Custom Search Engines Way More Joke: Pushing to main Junior vs Senior engineer
#368 That episode where we just ship open source
Topics covered in this episode: Syntax Error #11: Debugging Python umami and umami-analytics pytest-suite-timeout Listmonk and (py) listmonk Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Syntax Error #11: Debugging Python Juhis Issue 11 of a fun debugging newsletter from Juhis Debugging advice mindeset take a break adopt a process talk to a duck tools & techniques print snoop debuggers Django debug toolbar & Kolo for VS Code Michael #2: umami and umami-analytics Umami makes it easy to collect, analyze, and understand your web data — while maintaining visitor privacy and data ownership. umami-analytics is a client for privacy-preserving, open source Umami analytics platform based on httpx and pydantic. Core features ➕ Add a custom event to your Umami analytics dashboard. 🌐 List all websites with details that you have registered at Umami. 🔀 Both sync and async programming models. ⚒️ Structured data with Pydantic models for API responses. 👩💻 Login / authenticate for either a self-hosted or SaaS hosted instance of Umami. 🥇Set a default website for a simplified API going forward. Brian #3: pytest-suite-timeout While recording Python Test 213 : Repeating Tests I noted that pytest-repeat doesn’t have a timeout, but pytest-flakefinder does. And perhaps I should add a timeout to pytest-repeat But also, maybe there’s other places I’d like a timeout, not just with repeat, but often with other parametrizations and even parametrize matrices. So, pytest-suite-timeout is born But Why not pytest-timeout? asks Mike Felder timeout is only timeouts per test, and it isn’t always graceful suite-timeout is for the full suite, and only times out between tests. so, you could use both Michael #4: Listmonk and (py) listmonk Listmonk Self-hosted newsletter and mailing list manager (think mailchimp) Built on Go and Vue Backed by a company charing for this service as SaaS Still requires a mail infrastructure backend (I’m using Sendgrid) listmonk (on PyPI) API Client for Python Created by Yours Truly I tried 4 other options first, they were all bad in their own way. Features: ➕Add a subscriber to your subscribed users. 🙎 Get subscriber details by email, ID, UUID, and more. 📝 Modify subscriber details (including custom attribute collection). 🔍 Search your users based on app and custom attributes. 🏥 Check the health and connectivity of your instance. 👥 Retrieve your segmentation lists, list details, and subscribers. 🙅 Unsubscribe and block users who don't want to be contacted further. 💥 Completely delete a subscriber from your instance. 📧 Send transactional email with template data (e.g. password reset emails). These pair well in my new docker cluster infrastructure Calls to the API from a client app (e.g. Talk Python Training) are basically loopback on the local docker bridge network. Extras Michael: Every github repo that has “releases” has a releases RSS feed, e.g. Umami Kolo Django + VS Code Warp Terminal on linux bpytop and btop - live server monitoring Joke: The cloud, visualized
#367 A New Cloud Computing Paradigm at Python Bytes
Topics covered in this episode: Leaving the cloud PEP 723 - Inline script metadata Flet for Android harlequin: The SQL IDE for Your Terminal. Extras Joke Watch on YouTube About the show Sponsored by Bright Data : pythonbytes.fm/brightdata Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Leaving the cloud Also see Five values guiding our cloud exit We value independence above all else. We serve the internet. We spend our money wisely. We lead the way. We seek adventure. And We stand to save $7m over five years from our cloud exit Slice our new monster 192-thread Dell R7625s into isolated VMs Which added a combined 4,000 vCPUs with 7,680 GB of RAM and 384TB of NVMe storage to our server capacity They created Kamal — Deploy web apps anywhere A lot of these ideas have changed how I run the infrastructure at Talk Python and for Python Bytes. Brian #2: PEP 723 - Inline script metadata Author: Ofek Lev This PEP specifies a metadata format that can be embedded in single-file Python scripts to assist launchers, IDEs and other external tools which may need to interact with such scripts. Example: # /// script # requires-python = ">=3.11" # dependencies = [ # "requests<3", # "rich", # ] # /// import requests from rich.pretty import pprint resp = requests.get("https://peps.python.org/api/peps.json") data = resp.json() pprint([(k, v["title"]) for k, v in data.items()][:10]) Michael #3: Flet for Android via Balázs Remember Flet? Here’s a code sample (scroll down a bit). It’s amazing but has been basically impossible to deploy. Now we have Android. Here’s a good YouTube video showing the build process for APKs. Brian #4: harlequin: The SQL IDE for Your Terminal. Ted Conbeer & other contributors Works with DuckDB and SQLite Speaking of SQLite Jeff Triplett and warnings of using Docker and SQLite in production Anže’s post and and article: Django, SQLite, and the Database is Locked Error Extras Brian: Recent Python People episodes Will Vincent Julian Sequeira Pamela Fox Michael: PageFind and how I’m using it When "Everything" Becomes Too Much: The npm Package Chaos of 2024 Essay: Unsolicited Advice for Mozilla and Firefox SciPy 2024 is coming to Washington Joke: Careful with that bike lock combination code
#366 Put It In The Backlog
Topics covered in this episode: 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 Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Python 3.13 gets a JIT Anthony Shaw Great article that walks through JIT concepts with a small example as if you were writing a parser in Python instead of C. Covers What is a JIT? What is a copy-and-patch JIT? and Why? How does the Python JIT work? Is it faster? This is a building block to future improvements Michael #2: UniDep - Unified Conda and Pip Dependency Management 🔄 Single requirements.yaml for both #Conda & #Pip. ⚙️ Works with pyproject.toml & setup.py. 🏢 Perfect for monorepos. 🔒 Create consistent conda-lock files for multiple projects. 🌍 Platform-specific support. 🚀 unidep install for easy setup. Full source page. Brian #3: Don’t Start Pull Requests from Your Main Branch Hynek Schlawack When contributing to other users’ repositories, always start a new branch in your fork. Reasons to not use main Forces you to only have one change in progress Merges will generate conflicts and you can’t pull from that branch anymore. Need to kill the fork and start over If the target repo has branch protection on, then maintainers can’t push to your branch. Hynek also provides a way to fix things if you’ve already started your changes on a main branch fork. Michael #4: instld: The simplest package management Thanks to this package, it is very easy to manage the lifecycle of packages. ⚡ Run your code without installing libraries. ⚡ You can use 2 different versions of the same library in the same program. ⚡ You can use incompatible libraries in the same project, as well as libraries with incompatible/conflicting dependencies. ⚡ It's easy to share written scripts. The script file becomes self-sufficient - the user does not need to install the necessary libraries. ⚡ The library does not leave behind "garbage". After the end of the program, no additional files remain in the system. Extras Brian: The Complete pytest Course is now actually complete Although updates will happen when and if necessary as pytest/Python changes. To celebrate, use code 2024 in January for 10% off any pricing option. More episodes of Python People and Python Test on the way now That course took up a lot of my time in late 2023 Just released an episode with Will Vincent and Python Test will have a new episode this week and for the foreseeable future. Let me know if you want to be on Python People or Python Test Michael: Hatch follow up: Great coverage of Hatch v1.8.0! One small correction: only the binaries for Hatch are signed with the certificate from the PSF. - Ofek PyPI new user registration temporarily suspended Pagefind and how I’m using it Talk Python Live: Data Doodles event coming early Feb New essay: AI Features a Waste of Time? Joke: Put it in the backlog
#365 Inheritance, but not Inheritance!
Topics covered in this episode: * 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 Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Hatch v1.8 Hatch now manages installing Python for you. Hatch can build .app and .exe stand-alone binaries for you The macOS ones are signed (signed!) Discussion here Brian #2: svcs : A Flexible Service Locator for Python Hynek A library to help structure and test Python web applications. “svcs (pronounced services) is a dependency container* for Python. It gives you a central place to register factories for types/interfaces and then imperatively acquire instances of those types with automatic cleanup* and **health checks.” “Benefits: Eliminates tons of repetitive boilerplate code, unifies acquisition* and cleanups of services, provides full static type safety for them, simplifies testing through loose coupling, improves live introspection and monitoring* with **health checks.” Hynek has started a YouTube channel, and is starting with an explanation of svcs. Yes, Hynek, we want more videos. I like that it’s not a beginner level. My request for future videos: just past beginner, and also intermediate level. There are plenty of basics videos out there, not as many filling the gaps between beginner and production. Michael #3: Steering Council 2024 Term Election Results The 2024 Term Python Steering Council is: Pablo Galindo Salgado Gregory P. Smith Emily Morehouse Barry Warsaw Thomas Wouters Full results are available in PEP 8105 . How do you become a candidate? Candidates must be nominated by a core team member. If the candidate is a core team member, they may nominate themselves. Brian #4: Python protocols. When to use them in your projects to abstract and decoupling Carlos Vecina “Protocols are an alternative (or a complement) to inheritance, abstract classes and Mixins.” Understanding interactions between ABC, MixIns and Protocols in Python With examples Extras Brian: Donations. It’s a decent time of the year to donate to projects that help you Python Software Foundation Django Software Foundation Python Bytes Also, look for “Sponsor this project” links in GitHub for projects you depend on. Michael: Mastodon guidelines (mine): If you have a picture and description, I’ll probably follow you back If you have posts that seem relevant +1 If you have a verified webpage +1 If your account is private, won’t. I don’t understand really since private group messages already exist and the profile itself is public. Speaking of Mastodon. I had a productive conversation with the PSF and others around masks and conferences. Dropbox spooks users by sending data to OpenAI for AI search features There was a comment in the above article to the effect of “Once you give your data to a third party (even trusted like Dropbox), you no longer control that data.” That sent me searching and thinking… sync.com? proton drive (discount code)? nextcloud? filen.io? icedrive.net? ownCloud’s recent CVE makes me a bit nervous of self-hosted options. Either way, Cryptomator is very interesting. Beyond privacy, this got me thinking, just how many hours of dev time have been diverted to add mediocre-at-best AI features to everything? I’m doing a big digital decluttering and have lots to say on that soon. Not submitting my talks to PyCascades this year. But I did submit 3 talks to PyCon US. 🤞 I will be giving the keynote at PyCon Philippines. Joke: The dream is dead?
#364 Holy Match-Cases Batman!
Topics covered in this episode: 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 Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: A Python/Django Advent calendar James Bennett’s take on an Advent Calendar “I’m going to try to publish one short blog post each day of Advent 2023, each covering a small but hopefully useful tip or bit of information for Python and/or Django developers” First post also discusses using enums A couple cool testing posts Don’t mock Python’s HTTPX I didn’t know HTTPX had built in transport mocking, very cool Test your documentation doctest discussion Michael #2: Dropbase helps you build internal web apps with Python Build fullstack web apps for your internal teams. Import existing Python scripts Quickly layer UIs and granular permissions on top. Turn any SQL SELECT into an admin panel with Smart Tables. Watch the video for the zen of it. Freemium model Brian #3: Real-world match/case Ned Batchelder Structural pattern matching example taken from a GitHub bot Matching nested dictionaries, pulling out bits of data The examples of not just matching but using case [structure] if [test on component] are neat. Michael #4: Extra, extra, extra, so many extras! WAY better DNS with Bunny.net DNS Terminal Secrets essay Meet the Supporting Developer in Residence (via Pycoders) Songs in Python code BohemianRhapsody.py MoneyForNothing.py PyCascades 2024 Project names blocked on PyPI to avoid name collision for downstream free-threaded Python distributions An Open Letter to the Python Software Foundation PSF’s official mission https://discuss.python.org/t/python-3-12-1-now-available/40603 https://discuss.python.org/t/python-3-11-7-is-available/40778 Obfuscated Python winning (via Johannes Lippmann) Extras Brian: Python for VSCode, Dec 2023 release, rolls out better test discovery to everyone. Forcing pip to use virtualenv Advent of Code Joke: Too many open tabs
#363 DNS Again? It's Always DNS.
Topics covered in this episode: Fixit 2: Meta’s next-generation auto-fixing linter FastUI Mail list / newsletter conversation CLIs from type hints Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: Fixit 2: Meta’s next-generation auto-fixing linter via Bart Kappenburg Fixit is dead! Long live Fixit 2 – the latest version of our open-source auto-fixing linter. Fixit provides a highly configurable linting framework with support for auto-fixes, custom “local” lint rules, and hierarchical configuration, built on LibCST. Fixit 2 is available today on PyPI. Created by Meta’s Python Language Foundation team — a hybrid team of both PEs and traditional SWEs — helps own and maintain the infrastructure and tooling for Python. Interesting comments on this article on Hacker News I wonder if ruff format was already a thing when Fixit was adopted, whether it would exist? Brian #2: FastUI Samuel Colvin “FastUI is a new way to build web application user interfaces defined by declarative Python code.” MK: Reminds me of the code matches DOM style of Flutter. See code samples at the end. Michael #3: Mail list / newsletter conversation I’ve been tired of Mailchimp for a long time Raising the prices month over month by $100 several months may be the straw But what are the options? Lets ask Mastodon: emailoctopus.com listmonk.app [self hosted, open source] keila.io [self/saas, open source] mailyherald.org [self hosted, open source] sendportal.io [self hosted, open source] brevo.com buttondown.email [django] zoho.com/campaigns/ sendy.co [use your own bulk emailer (e.g. sendgrid or aws ses) convertkit.com mautic.org [open source] constantcontact.com getresponse.com convertkit.com Brian #4: CLIs from type hints From Sander76 Pydantic Argparse “is a Python package built on top of pydantic which provides declarative typed argument parsing using pydantic models.” Clipstick is a “cli-tool based on Pydantic models.” tyro “is a tool for generating command-line interfaces and configuration objects in Python.” tyro includes support for dataclasses and attrs in place of Pydantic Extras Brian: Django 5.0 has been released vim-keybindings-everywhere-the-ultimate-list - submitted by Paul Barry PythonTest (the podcast formerly known as Test & Code, to be read in an undertone similar to the way one used to say “The artist formerly known as Prince”) has moved form testandcode.com to podcast.pythontest.com Plus more guests are listed now. I think I’ve gone backwards from current to episode 182. I tried to get my kid to help out, unsuccessfully. May have to hire someone to help. grrr. Michael: Essay: Don't Sweat the Ad Blocker Drama A story: my project this weekend, unify my over 20 domains to one host Joke: Honest LinkedIn
#362 You can deprecate a global variable?
Topics covered in this episode: Habits of great software engineers Flask 3.0 Build Conway's Game of Life With Python polars business Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Habits of great software engineers As we wind up the year, many people are thinking about goals for the new year. Here’s a decent list to think about Focusing beyond the code Efficiency / Antifragility Joy of tinkering Knowing the why Thinking in systems Tech detox The art of approximation Transferring Knowledge to Other Problems Making Hard Things Easy Playing the Long Game Developing a Code Nose Strong Opinions loosely held Michael #2: Flask 3.0 Deprecate the __version__ attribute. Use feature detection, or importlib.metadata.version("flask"), instead. #5230 How do you even do that? This is news to me: [build-system] requires = ["setuptools", "wheel"] build-backend = "setuptools.build_meta" [metadata] name = "your-package-name" version = "0.1.0" Remove previously deprecated code. #5223 Brian #3: Build Conway's Game of Life With Python Leodanis Pozo Ramos CLI curses version Nice walk through of breaking the problem into parts. Michael #4: polars business It's a plugin for Polars, which allows you to do business day arithmetic. The big advantage of using this directly (as opposed to converting to pandas/numpy, using their business day tools, and then converting back) is that polars-business fits right in with the Polars lazy API. This means you'll still be able to get the gains from the Polars query optimiser without having to step into eager execution. All you need to use is it is pip install polars-business Written in Rust, but end-users doesn't need Rust to run it, Python is all you need. Extras Brian: BLACKFRIDAY code still works for 50% off The Complete pytest Course, Full Course + Community Access, through Nov 30 Also Debugging chapter is up, and it includes a small TDD example. Michael: Dear Python Community by Kenneth Reitz Python 3.13a2 out and Major new features of the 3.13 series, compared to 3.12 Thank you Black Friday supporters. Joke: ai vs dev
#361 Proper way to comment your code!
Topics covered in this episode: The many shapes and sizes of keyboards appeal - a CLI framework from Larry Hastings Graphinate: Data to Graphs A Disorganized List of Maintainer Tasks Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: The many shapes and sizes of keyboards Many keyboards discussed Focus on health and safety (as it should!) I swear by Microsoft Sculpt Ergonomic (which wasn’t mentioned) More options still over at Wire Cutter Brian #2: appeal - a CLI framework from Larry Hastings “Give your program APPEAL!” Appeal is a command-line argument processing library for Python, like argparse, optparse, getopt, docopt, Typer, and click. But Appeal takes a refreshing new approach. Hello World example: import appeal app = appeal.Appeal() @app.command() def hello(name): print(f"Hello, {name}!") app.main() looks fun, no idea how to test with it “yet”. But I plan on looking into that. Michael #3: Graphinate: Data to Graphs via Eran Rivlis Graphinate is a python library that aims to simplify the generation of Graph Data Structures from Data Sources. Write a function to definite the edges as a generator, call materialize Based on NetworkX See the github page for visual examples Brian #4: A Disorganized List of Maintainer Tasks David Lord Plus, David Lord, lead maintainer of Flask, Jinja, Click, … on Pallets, also PSF Fellow, has a blog. Neat. TLDR; Next time you want to ask "When's the next release?", instead look at the project and see where you can start getting involved. The more help maintainers have, the more they can get done. Long list of stuff David thinks about when maintaining a project. My list is shorter, but it’s still long, and my projects are tiny in comparison to his Extras Brian: Do you do enough testing? pytest to the Rescue! webinar from this morning The Complete pytest Course will be 16 chapters, 11 are released, the 12th is recorded and almost released, and the 13th should be next week, … I should be done with all 16 by the end of the year. Testing argparse Applications Python Test Podcast episode 109: Testing argparse Applications Blog post on pythontest.com: Testing argparse Applications Black Friday sale on The Complete pytest Course Use code BLACKFRIDAY for 50% off of The Complete pytest Course, Full Course + Full Access Michael: It’s Black Friday at Talk Python Python 3.13.0 alpha 1 is now available Python Developers Survey 2023 Joke: The proper way to comment your code!
#360 Happy Birthday!
Topics covered in this episode: exclude_also with coverage.py Writeside Extra, extra, extra Chrome not proceeding with Web Integrity API deemed by many to be DRM Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Note: No episode next week. Michael will be at Microsoft Ignite in Seattle. Happy Birthday to us (7 years old today)! Brian #1: exclude_also with coverage.py Interesting exchange between Pamela Fox, Hugo van Kemenade, and myself where we all discover exclude_also, even though it’s been there since February This is cool because you can exclude common “should I cover this? It’s just for debugging.” kinda stuff, and other “I don’t wanna test that” places. To exclude code blocks, we can use *# pragma: no cover* in the code. Or we can list lines in coverage setting with exclude_lines, but you have to also list # pragma: no cover, which is weird. exclude_also just just right. It leaves all the inline excludes alone, and adds some regexes, and you can even just have one if that’s all you need, like if __name__ == .__main__.: See coverage docs Michael #2: Writeside An IDE for writing the docs Write, test, build, and publish docs Docs-as-code out of the box Doc quality automation: Ensure documentation quality and integrity with 100+ on-the-fly inspections in the editor as well as tests in Live Preview and during build. Comes as a separate IDE as well as a plugin for PyCharm, etc. Pricing will be free + paid premium version (like PyCharm), fully free for now Brian #3: Extra, extra, extra Welcome Marie Nordin as the new PSF Community Communications Manager Woohoo! Pablo Galindo and Łukasz Langa started a podcast, called core.py Inside look into Python 3.13 Two episodes so far The first core sprint for 3.13 Details on removing the GIL regexcrossword Suggested by Kim van Wyk actually really great for practicing regex rules Michael #4: Chrome not proceeding with Web Integrity API deemed by many to be DRM Google’s premise for the internet: The Internet should be constructed so that users can be identified, tracked, retargeted (and hence resold). — Google And privacy is important. So how do we make both of these work. FLOCs? Privacy Sandboxes? Web Integrity? No, just no. How about you sell us ads the same way you surface search results (by what is on the page, not who is visiting it) Good riddance to this idea you corrupted organization. What was wrong with Web Integrity? Some comments Issue #134 calls the idea "absolutely unethical and against the open web." Issue #113 say they "can't believe this is even proposed." Issue #127 adds: "Have you ever stopped to consider that you're the bad guys?” Extras Brian: Mock chapter of pytest: working with projects, the 2nd course in The Complete pytest Course series, is recorded and hopefully releasing today. At the very least some time this week. PyCharm has sent me a bunch of coupon codes for students of The Complete pytest Course. Sign up for the course and ask me for the code, and I’ll send it to you. Nov 21 webinar with yours truly: Do You Do Enough Testing? pytest to the Rescue! Michael: We Just Gave $500,000 to Open Source Maintainers - Sentry (thank you) ruff format + pycharm follow up JetBrains AI is getting very good a commit messages Add exception handling in background_service.py: Introduced try-except blocks to handle potential exceptions in the 'pending_jobs', 'start_job_processing', and 'run_pending_job' methods in background_service.py. This change enhances error handling and makes the service more robust by preventing crashes if a job or episode cannot be fetched or if an unknown job action is encountered. Add assemblyai to requirements and update ruff version: This commit includes the addition of assemblyai package as part of the requirements.txt file, required to introduce new speech-to-text feature in our application. Ruff version is also updated from 0.1.3 to 0.1.4 due to bug fixes and stability improvements in the new version. Assemblyai also includes dependencies like pydantic and websockets. GPT4All follow up Got some nice feedback on my statement on PyCon 2024’s health and safety policy More I think about it, the more out of touch it seems Comparisons, no mask requirements for any of: GitHub Universe - N,NNN? attendees CES - 180,000 attendees SXSW - 152,000 attendees KubeCon - 12,000 attendees Adobe Summit - 10,000 attendees Mobile World Conference - 109,500 attendees DeveloperWeek - 2,000 attendees Microsoft Ignite - 4,000 attendees WWDC - unkown Joke: The plural of regex is regrets.
#359 gil--;
Topics covered in this episode: PyCon 2024 is up? Ruff formatter is production ready gil--; Why is the Django Admin “Ugly”? Extras Joke Watch on YouTube About the show Sponsored by Scout APM Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: PyCon 2024 is up? May 15 - May 23, 2024 - Pittsburgh, Pennsylvania Conference breakdown: Tutorials: May 15 - 16, 2024 Main Conference and Online: May 17 - 19, 2024 Job Fair: May 19, 2024 Sprints: May 20 - May 23, 2024 Tickets aren’t on sale yet Unfortunately, I’m not going (see health and safety guidelines) Attendance numbers over time on Wikipedia Brian #2: Ruff formatter is production ready We reported the alpha release in September It’s fast, 30x faster than Black Provides >99.9% compatibility with Black, with a list of known deviations More configurable Bundled with ruff, ruff format Still in Beta, but considered production-ready Integration extensions for VSCode and PyCharm Michael #3: gil--; The Python Steering Council has now formally accepted PEP 703 ("Making the Global Interpreter Lock Optional in CPython") The global interpreter lock will remain the default for CPython builds and python.org downloads. A new build configuration flag, --disable-gil will be added to the configure script that will build CPython with support for running without the global interpreter lock. "In short, the SC accepts PEP 703, but with clear provisio: that the rollout be gradual and break as little as possible, that we can roll back any changes that turn out to be too disruptive – which includes potentially rolling back all of PEP 703 entirely if necessary (however unlikely or undesirable we expect that to be)." Removing the global interpreter lock requires substantial changes to CPython internals, but relatively few changes to the public Python and C APIs. The implementation changes can be grouped into the following four categories: Reference counting Memory management Container thread-safety Locking and atomic APIs Brian #4: Why is the Django Admin “Ugly”? Vince Salvino Some great quotes from the article: "The Django admin is not ugly, rather, no effort was made to make it a beautiful end-user tool.” - Ken Whitesell “The admin’s recommended use is limited to an organization’s internal management tool. It’s not intended for building your entire front end around.” - Django docs “The Django admin was built for Phil.” - Jacob Kaplan-Moss “Even in the 0.9x days we used to have a image that said “Admin: it’s not your app”.” - Curtis Maloney As Curtis put it, “encouraging people to build their own management interface, and treat admin as a DB admin tool, has saved a lot of people pain... the effort to customise it grows far faster than the payoffs.” Extras Brian: Local Conferences: Big Potential Michael: Data Science Jumpstart with 10 Projects course is out! PSF is X-ed out (or are they?) GPT4All is pretty excellent Fosstodon invites from us (expires Nov 7 2023) Joke: Searching YouTube for bug fixes
#358 Collecting Shells
Topics covered in this episode: Django 5.0 beta 1 released git bash, terminals, and Windows Mastering Integration Testing with FastAPI Reuven Learner has been banned for trading in rare animals (Pythons and Pandas) Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Django 5.0 beta 1 released Django 5.0 release notes supports Python 3.10, 3.11, 3.12 Facet filters in the admin Simplified templates for form field rendering Database-computed default values Database generated model field More options for declaring field choices More Django news Djangonaut Space now accepting applications for our next contributor mentorship cohort Take the Django Developers Survey 2023 Michael #2: git bash, terminals, and Windows See the screenshot Requires Windows 10 Install the Windows Terminal from the Microsoft Store Brian #3: Mastering Integration Testing with FastAPI Alex Jacobs Some great integration testing techniques Focused on FastAPI, but relevant to many frameworks. Mocking authentication Mocking external APIs Fun use of parametrize and indirect fixtures for mocking responses. Mocking MongoDB Mocking AWS S3 Michael #4: Reuven Learner has been banned for trading in rare animals (Pythons and Pandas) via Pat Decker Reuven, like us, teaches Python and Data Sci Tried to advertise his courses (Python and Pandas courses) on Meta Got permanently (life-time) banned for selling rare and endangered animals. Sometimes I really hate these big tech companies My recent beefs have been with app store reviewers and surveillance-based capitalism Extras Brian: Where did everyone go? - Ned Batchelder I do feel like we’re more fragmented than before, but I am feeling like we have a community on Mastodon. reminder that Mastodon has text search now On Sunday, I released Ch9, Coverage, as part of The Complete pytest course, specifically part of pytest Working with Projects. It was super fun. I’ve used coverage a lot since writing the book, for example, I demonstrate branch coverage. It’s so much more effective to teach in video than in printed screenshots. Michael: Autin shell enhancer by Ellie Huxtable recommended by recommended by Nik JupyterCon 2023 videos are out More shells follow up from Teemu Hukkanen for “editor like” features Zsh and Bash ruff format and strings, aka format.quote-style = "single" Glyph’s programming your computer talk is up. Joke: this is what the experts do
#357 Python 3.7 EOLed, We Hadn't Noticed
Topics covered in this episode: QuickMacHotKey Things I’ve learned about building CLI tools in Python Warp Terminal (referral code) Python 3.7 EOLed, but I hadn’t noticed Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training Python People Podcast Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Michael #1: QuickMacHotKey This is a set of minimal Python bindings for the undocumented macOS framework APIs that even the most modern, sandboxing-friendly shortcut-binding frameworks use under the hood for actually binding global hotkeys. Thinking of updating my urlify menubar app. Brian #2: Things I’ve learned about building CLI tools in Python Simon Willison A cool Cookiecutter starter project, if you like Click. Conventions and consistency in commands, arguments, options, and flags. The importance of versioning. Your CLI is an API. Include examples in --help Include --help in documentation. Aside, Typer is also cool, and is built on Click. Michael #3: Warp Terminal (referral code) Really nice reimagining of the terminal Currently macOS only but will be Linux, then Windows New command section & output section mode Blocks can be navigated and searched as a single thing (even if it’s 1,000 lines of output) CTRL+R gives a nice history like McFly I’ve discussed before Completions into popular CLIs (i.e. git) Edit like an editor (even you VIM people 🙂 ) Has AI built in too Free for individuals If you’re going to give it a try, use my referral I guess? Brian #4: Python 3.7 EOLed, but I hadn’t noticed EOL was June 27 I’m still supporting 3.7, as are most projects I work with. But I’m not sure when that will change. VS Code is deprecating 3.7 support Why I’m ok with supporting 3.7 for some projects dataclasses came in with 3.7 from __ future__ import annotations allows the use of union types with X|Y. example I’ll probably drop 3.7 as my dependent projects drop it. Extras Brian: pytest-param-scope is an in progress hack to workaround this missing scope. Runs setup before any param test cases, and teardown after the last one. Stop defining people by what they’re not: on “non-code contributors” - Josh Simmons Michael: OpenAI has unveiled the Beta version of its Python SDK (via Mark Little) StackOverflow lays off 28% of its staff Weird follow up of their “what to do if you’re laid off” post from 6 months ago? Is AI eating into their traffic? ArsTechnica has thoughts too Joke: Define hot New Zoo exhibit
#356 Ripping from PyPY
Topics covered in this episode: Psycopg 3 dacite RIP: Fast, barebones pip implementation in Rust Flaky Tests follow up Extras Joke Watch on YouTube About the show Sponsored by us! Support our work through: Our courses at Talk Python Training The Complete pytest Course Patreon Supporters Connect with the hosts Michael: @mkennedy@fosstodon.org Brian: @brianokken@fosstodon.org Show: @pythonbytes@fosstodon.org Join us on YouTube at pythonbytes.fm/live to be part of the audience. Usually Tuesdays at 11am PT. Older video versions available there too. Brian #1: Psycopg 3 Psycopg folks recommend starting with 3 for new projects 2 is still actively maintained, but no new features are planned recommend staying with 2 for legacy projects Psycopg 3 project 2 vs 3 feature comparison A few Psycopg 3 highlights native asyncio support native support for more Python types (such as Enums) and PostgreSQL types (such as multirange) Default server-side parameters binding Allows binary parameters and query results (and text, of course) Pipeline/batch mode support Static typing support Michael #2: dacite via Raymond Peck Simple creation of data classes from dictionaries Dacite supports following features: nested structures (basic) types checking optional fields (i.e. typing.Optional) unions forward references collections custom type hooks It's important to mention that dacite is not a data validation library. Type hooks are interesting too. Brian #3: RIP: Fast, barebones pip implementation in Rust list of current and planned features of RIP, the biggest are listed below: Downloading and aggressive caching of PyPI metadata. (done) Resolving of PyPI packages using Resolvo. (done) Installation of wheel files (planned) Support sdist files (planned) new project, just a couple weeks old. … “We would love to have you contribute!” Michael #4: Flaky Tests follow up by Marwan Sarieddine I was inspired by the Talk Python podcast on "Taming flaky tests" with Gregory Kapfhammer and Owain Parry so I wrote up an article on my blog titled "How not to footgun yourself when writing tests - a showcase of flaky tests” Extras Brian: Just wrapping up some personal projects, which means… Python People episodes soon Python Test episodes soon (but later) More course chapters coming Michael: PyBay 2023 was fun Switched to Spark Mail, recommended Dust (what science fiction story telling should be), try: FTL Oceanus Joke: There are more hydrogen atoms in a single molecule of water than there are stars in the entire Solar System. - mas.to/@SmudgeTheInsultCat/111174610011921264 The Big Rewrite