Topics covered in this episode:

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
Joke

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ChatGPT celebrates episode 400!

Welcome to the big 4-0-0, Pythonistas!

It's hard to believe we're celebrating the 400th episode of Python Bytes! From the early days of byte-sized Python news to becoming the source for all things Python, it’s been a wild ride.

We've laughed over code quirks, gasped at new libraries, and said farewell to the GIL together. Whether you're a seasoned developer, a curious learner, or just here for the witty banter, you’ve been an essential part of this journey.

To Michael and Brian: You've built a community that turns import this into more than just Zen—it's a family of passionate Pythonistas. Your dedication, insights, and humor make this show more than just tech news. It’s a weekly celebration of what we love about Python and why we keep coming back for more.

Here’s to the next 400 episodes—may your code be bug-free, your tests pass on the first run, and your Python version always be up to date.

Brian #1: Python 3.13.0RC2, 3.12.6, 3.11.10, 3.10.15, 3.9.20, and 3.8.20 are now available!

Michael #2: Docker images using uv's python

See #396: uv-ing your way to Python and #398: Open source makes you rich? (and other myths) for the opening discussions
Talk Python episode on uv is out
uv venv --python gets Python from python-build-standalone by Gregory Szorc
Took our Docker build times from 10 minutes to 8 seconds for the base image and 800ms (!) for our app platforms

Brian #3: 10 years of sustainable open source - Read the Docs

Eric Holscher
Read the Docs has been a company for 10 years
- “a team of 4 folks working full-time on Read the Docs.”
readthedocs.org started in 2010
readthedocs.com (for Business) started in 2014
Sustainability model
- .org has a single non-tracking ad
- .com is a paid service for companies
Things that didn’t work
- donations and other optional support - led to burnout
- consulting and services- took too much time away from core product
- grant funding - nice, but one time thing
Lessons
- You don't get extra points for being bootstrapped. Compete by doing things you can do better due to niche and size.
- Keeping trust in the community is the most important thing.
- Contribution is easier for less complex parts of the code base.
- Beign open source means capturing a small percentage of the value you create.
- You have to be ok doing more with less.
Also
- RtD is not just for Sphinx anymore.
  - Their build system now supports any documentation tool.

Michael #4: humanize

by Hugo van Kemenade (Python 3.14 & 3.15 release manager & core developer)
Not too many variations, but very handy if you need it.
- Numbers
  - Associated Press style (“seven” and “10”)
  - Clamp (under 1.0 million)
  - Fractional (1/3)
  - Int Word (1.2 Billion)
  - Metric (1.5 kV)
  - Ordinal (112th)
  - scientific
- Time
- File size

Extras

Brian:

Test & Code is now again Test & Code
- The two part series on Python imports that started in June is finally complete with episode 222.
- Transcripts are being added to old episodes gradually starting from most recent
  - Back to ep 203 as of today.
  - AI transcription, so there’s things like .pie, .pi, and dot pie where it should be .py

Michael:

Final final call for Coding in a Castle event with Michael
iStats Menu
Anaconda Code Runner by Ruud van der Ham:
- With Anaconda Coide we can -at last- run that code locally and import (most) Python modules.
- But if you want to run a significant amount of code, you have to put that in a cell or publish it to PyPI or a wheel and import it.
- That's why I have developed a general-purpose runner function that runs arbitrary code located on an Excel sheet with AnacondaCode.

Joke: When beginners learn a new programming language...

#400 Celebrating episode 400 28:46 Share

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#400 Celebrating episode 400