Replace black with ruff for formatting and import sorting#129
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Switches the project's code style tooling from black to ruff, which handles both code formatting (`ruff format`, black-compatible) and import sorting (`ruff check` with the isort "I" rules) in a single, faster tool. This also realises the intent of the stale isort PR (#90) against the current codebase. Changes: - pyproject.toml: drop black dev dependency and [tool.black]; add ruff with [tool.ruff] (target py310) and [tool.ruff.lint] select = ["I"]. - CI: check_format workflow now runs `ruff format --check` and `ruff check` instead of `black --check`. - Makefile: add `format` and `check-format` convenience targets. - README / CONTRIBUTING: document ruff instead of black. - Apply `ruff format` and import sorting across the codebase. - Remove an unused `import black` in the directory-url dev script.
…k-with-ruff # Conflicts: # uv.lock
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Summary
Switches the project's code-style tooling from black to ruff, which
handles both code formatting (
ruff format, black-compatible) and importsorting (
ruff checkwith the isortIrules) in a single, faster tool.This also realises the intent of the stale isort PR #90 against the current
codebase (that PR was outdated/conflicting and has been closed).
Changes
pyproject.toml: drop theblackdev dependency and[tool.black];add
ruffwith[tool.ruff](target-version = "py310") and[tool.ruff.lint] select = ["I"](import sorting).uv.lock: regenerated (black + transitive deps removed, ruff added)..github/workflows/check_format.yml): now runsruff format --check .andruff check .instead ofblack --check.Makefile: newformatandcheck-formatconvenience targets.README.md(Code formatting) andCONTRIBUTING.mdnow referenceruff instead of black.
ruff format+ import sorting across the codebase.import blackin the directory-url dev script.Scope note
ruff checkis intentionally limited to import sorting for now. Ruffadditionally flags pre-existing issues (13×
F401unused imports, 10×F841unused variables) which are not addressed here to keep this a focused
tooling swap. The
Frule set can be enabled in a follow-up.Verification
make check-formatpasses (56 files formatted, all checks pass).uv run ruffworks (locked 0.15.17).https://claude.ai/code/session_01Q4NSyGd8CMCjjCH9gQCsvG
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