feat: support Python 3.11 and 3.12#26
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
uv python install only downloads the interpreter; uv python pin writes .python-version so uv sync/run actually selects it.
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Summary
Lowers the supported Python floor from 3.13 to 3.11, matching the
faststream-redis-timersconvention in the org. Runtime deps (tenacity, sqlalchemy, asyncpg) already support 3.11+; the only code change isretry.py, which used PEP 695 generic syntax (3.12+ only).Changes
retry.py: rewrite the PEP 695typealiases anddef postgres_retry[**P, T]generics to pre-695 stdlibtyping.ParamSpec/TypeVar/TypeAlias(no new dependency). Named aliases_Func/_Decoratorretained; function body and public behavior unchanged.pyproject.toml:requires-python = ">=3.11,<4", add 3.11/3.12 classifiers, rufftarget-version = "py311".README.md: support line → Python 3.11+..github/workflows/_checks.yml):pytestmatrix over 3.11/3.12/3.13/3.14 (fail-fast: false); lint job stays on 3.13. Both jobsuv python pinthe interpreter so each matrix leg actually runs on its target version (without the pin,uvselects the newest available interpreter under the loosened floor).Verification
ty check,ruff(atpy311target), full pytest suite (28 passed, 100% coverage) all green locally.Spec and plan:
planning/changes/2026-06-30.01-python-3.11-3.12-support/.🤖 Generated with Claude Code