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Python Bytes

Topics covered in this episode:

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

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About the show

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• Michael: @[e-mail] / @mkennedy.codes (bsky)
• Brian: @[e-mail] / @brianokken.bsky.social
• Show: @[e-mail] / @pythonbytes.fm (bsky)

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Michael #1: Talk Python rewritten in Quart

• Rewrote all of talkpython.fm in Quart (10k lines of code total, 4k changed)
• Considered
  • FastAPI
  • Litestar
  • Django
  • Hugo Static Site + Python
  • Flask
• Discussed the multistage upgrade / conversion process
• Automating tests for all 1,000 pages

Brian #2: PyPI now supports digital attestations

• Dustin Ingram
• “Attestations provide a verifiable link to an upstream source repository: By signing with the identity of the upstream source repository, such as in the case of an upload of a project built with GitHub Actions, PyPI's support for digital attestations defines a strong and verifiable association between a file on PyPI and the source repository, workflow, and even the commit hash that produced and uploaded the file. Additionally, publishing attestations to a transparency log helps mitigate against both compromise of PyPI and compromise of the projects themselves.”
• For maintainers
  • If using GH Actions and Trusted Publishing
    • make sure you use pypa/gh-action-pypi-publish, version v1.11.0 or newer
    • that’s it
  • If not
    • “Support for automatic attestation generation and publication from other Trusted Publisher environments is planned.”
    • “While not recommended, maintainers can also manually generate and publish attestations.”
• See also
  • PyPI Introduces Digital Attestations to Strengthen Python Package Security
    • by Sarah Gooding
  • Are we PEP 740 yet?

Michael #3: Django Rusty Templates

• by Lily Foote
• An experimental reimplementation of Django's templating language in Rust.
• Goals
  • 100% compatibility of rendered output.
  • Error reporting that is at least as useful as Django's errors.
  • Improved performance over Django's pure Python implementation.

Brian #4: PEP 639 is now supported by PYPI

• from Brett Cannon
• PEP 639 – Improving License Clarity with Better Package Metadata
• For project metadata, use these fields: license and license-files:

• Examples license field

  [project] license = "MIT" [project] license = "MIT AND (Apache-2.0 OR BSD-2-clause)" [project] license = "MIT OR GPL-2.0-or-later OR (FSFUL AND BSD-2-Clause)" [project] license = "LicenseRef-Proprietary" 

• Examples of license-files:

  [project] license-files = ["LICEN[CS]E*", "AUTHORS*"] [project] license-files = ["licenses/LICENSE.MIT", "licenses/LICENSE.CC0"] [project] license-files = ["LICENSE.txt", "licenses/*"] [project] license-files = [] 

Extras

Brian:

• Playground Wisdom: Threads Beat Async/Await - interesting read from Armin Ronacher about different language abstractions around concurrency.
• PythonTest.com Discord community is now live
  • Launched last week, as of this morning we’ve got 89 members
  • Anyone already a pythontest community member has received an invite
  • Anyone can join through courses.pythontest.com
• Everything at pythontest.com is 20% off through Dec 2 with code turkeysale2024
• “Python Testing with pytest” eBook 40% off through Dec 2, use code turkeysale2024

Michael:

• Python 3.14.0a2 released
• Starter packs:
  • Michael’s Python people: https://bsky.app/starter-pack/mkennedy.codes/3lbdnupl26e2x
  • Directory: https://blueskydirectory.com/starter-packs/all

Joke: curl - heavy metal style!