chore(docker): run on Python 3.12 - #176
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yt-dlp 2026.8.19 raised its recommended interpreter to Python 3.11
(update.py: `MIN_SUPPORTED, MIN_RECOMMENDED = (3, 10), (3, 11)`), so every
`!yt` / `!yts` now prints
Deprecated Feature: Support for Python version 3.10 has been deprecated.
Please update to Python 3.11 or above
`YoutubeDL.deprecated_feature()` writes this straight to stderr and honours
neither `quiet` nor `no_warnings`, and URLInfo builds a fresh `YoutubeDL`
per call so yt-dlp's once-per-process guard never kicks in - the line
repeats on every lookup. The next yt-dlp bump of `MIN_SUPPORTED` to 3.11
would break the YouTube path outright.
Move the image (and the lint/type/format toolchain) to Python 3.12, the
newest interpreter every pinned dependency still ships wheels for
(pillow 10.2.0 / lxml 5.1.0 have no cp313 wheels). No operator config
change - this is a patch bump.
- Dockerfile: python:3.10-{,slim-}bookworm -> 3.12, refreshed digests
- pyproject.toml: requires-python >=3.12, classifier, ruff target-version,
mypy python_version
- .github/workflows/lint.yml: CI matrix 3.10 -> 3.12
- README.md: stated requirement
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Problem
Running
!yt/!ytsprints a yt-dlp deprecation notice:yt-dlp
2026.8.19raised its recommended interpreter to 3.11:YoutubeDL.deprecated_feature()writes the message straight to stderr and honours neitherquietnorno_warnings(both already set inURLInfo.get_url_youtube_info). Because a freshYoutubeDLis built per call, yt-dlp's once-per-process guard never applies — the line repeats on every lookup (and every retry inget_first_valid_entry).The image currently runs
python:3.10-bookworm/python:3.10-slim-bookworm. 3.10 is stillMIN_SUPPORTED, so!ytsworks today, but the next yt-dlp bump ofMIN_SUPPORTEDto 3.11 would break the YouTube path outright.Change
Move to Python 3.12 — the newest interpreter every pinned dependency still ships wheels for (
pillow==10.2.0/lxml==5.1.0have no cp313 wheels).Dockerfile:python:3.10-{,slim-}bookworm→3.12, digests refreshed to the current multi-arch indexespyproject.toml:requires-python = ">=3.12",3.12classifier, rufftarget-version = "py312", mypypython_version = "3.12".github/workflows/lint.yml: CI matrix3.10→3.12README.md: stated requirementdistutils,imp,asynchat, …) is present insrc/No operator config change —
VERSIONbumped1.8.25→1.8.26as a patch. If #173-line geoip PR lands first and also claims1.8.26, this needs a rebase bump to1.8.27.🤖 Generated with Claude Code