#404: The Lost Episode

Topics covered in this episode:

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

About the show

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• Michael: @mkennedy@fosstodon.org
• Brian: @brianokken@fosstodon.org
• Show: @pythonbytes@fosstodon.org

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Brian #1: Python 3.13.0 released Oct 7

• That’s today!
• What’s New In Python 3.13
  • Interpreter (REPL) improvements
    • exit works (really, this is worth the release right here)
    • Multiline editing with history preservation.
      • history sticks around between sessions
    • Direct support for REPL-specific commands like help, exit, and quit, without the need to call them as functions.
    • Prompts and tracebacks with color enabled by default.
    • Interactive help browsing using F1 with a separate command history.
    • History browsing using F2 that skips output as well as the >>> and … prompts.
    • “Paste mode” with F3 that makes pasting larger blocks of code easier (press F3 again to return to the regular prompt).
    • exit now works without parens
  • Improved error messages
    • Colorful tracebacks
    • Better messages for
      • naming a script/module the same name as a stdlib module.
      • naming a script/module the same name as an installed third party module.
      • misspelling a keyword argument
  • Free threaded CPython
    • Included in official installers on Windows and macOS
      • Read these links to figure out how - it’s not turned on by default
  • Lot’s more. see the What’s new page

Michael #2: PEP 759 – External Wheel Hosting

• pypi.org ships over 66 petabytes / month backed by Fastly
• There are hard project size limits for publishers to PyPI
• We can host the essence of a .whl as a .r