src/tools/tidy/config/ruff.toml

# Configuration for ruff python linter, run as part of tidy external tools

# lowest possible for ruff
target-version = "py39"

# Ignore all submodules
extend-exclude = [
    "src/doc/nomicon/",
    "src/tools/cargo/",
    "src/doc/reference/",
    "src/doc/book/",
    "src/doc/rust-by-example/",
    "library/stdarch/",
    "src/doc/rustc-dev-guide/",
    "src/doc/edition-guide/",
    "src/llvm-project/",
    "src/doc/embedded-book/",
    "library/backtrace/",
    "src/tools/enzyme/",
    "src/tools/rustc-perf/",
    "src/gcc/",
    # Hack: CI runs from a subdirectory under the main checkout
    "../src/doc/nomicon/",
    "../src/tools/cargo/",
    "../src/doc/reference/",
    "../src/doc/book/",
    "../src/doc/rust-by-example/",
    "../library/stdarch/",
    "../src/doc/rustc-dev-guide/",
    "../src/doc/edition-guide/",
    "../src/llvm-project/",
    "../src/doc/embedded-book/",
    "../library/backtrace/",
    "../src/tools/enzyme/",
    "../src/tools/rustc-perf/",
    "../src/gcc/",
]

[lint]
# B (bugbear), E (pycodestyle, standard), EXE (executables) F (flakes, standard)
# ERM for error messages would be beneficial at some point
select = ["B", "E", "EXE", "F"]

ignore = [
    "E501", # line-too-long
    "F403", # undefined-local-with-import-star
    "F405", # undefined-local-with-import-star-usage
]