.flake8

[flake8]

filename =
    *.py,

    ./benchmark/scripts/Benchmark_Driver,
    ./benchmark/scripts/Benchmark_DTrace.in,
    ./benchmark/scripts/Benchmark_GuardMalloc.in,
    ./benchmark/scripts/Benchmark_RuntimeLeaksRunner.in,

    ./docs/scripts/ns-html2rst,

    ./test/Driver/Inputs/fake-toolchain/clang++,
    ./test/Driver/Inputs/fake-toolchain/ld,

    ./utils/80+-check,
    ./utils/backtrace-check,
    ./utils/build-script,
    ./utils/check-incremental,
    ./utils/coverage/coverage-build-db,
    ./utils/coverage/coverage-generate-data,
    ./utils/coverage/coverage-query-db,
    ./utils/coverage/coverage-touch-tests,
    ./utils/gyb,
    ./utils/line-directive,
    ./utils/PathSanitizingFileCheck,
    ./utils/recursive-lipo,
    ./utils/round-trip-syntax-test,
    ./utils/rth,
    ./utils/run-remote,
    ./utils/run-test,
    ./utils/scale-test,
    ./utils/submit-benchmark-results,
    ./utils/swift_build_support/tests/mock-distcc,
    ./utils/symbolicate-linux-fatal,
    ./utils/update-checkout,
    ./utils/viewcfg,

    # TODO: We should be linting the lit configs.
    #lit.cfg,

    # FIXME: We need to be linting these files.
    #./utils/build-parser-lib,
    #./utils/dev-scripts/blockifyasm,
    #./utils/dev-scripts/split-cmdline,

exclude =
    .git,
    __pycache__,

ignore =
    # The black tool treats slices consistently, the E203 warning is not PEP8
    # compliant (https://github.com/psf/black#slices).
    E203,

    # FIXME: We should not have trailing whitespace.
    W291,

    # Line breaks before binary operators are not explicitly disallowed in
    # PEP8, rather it should be consistent throughout the project. The black
    # tool puts them on new lines which is to be considered a best practice
    # in the future.
    W503,

    # Similarly ignore line break after binary operators.
    W504,

    # TODO: Ignore Bugbear lints for now, but we should enable these in the
    # future.
    B,

# 10% larger than the standard 80 character limit. Conforms to the black
# standard and Bugbear's B950.
max-line-length = 88