# Ruff configuration

# https://docs.astral.sh/ruff/configuration/

target-version = "py313"

line-length = 100

# Exclude vendored dependencies in Lambda code and build artifacts

exclude = [

"**/certifi*",

"**/charset_normalizer*",

"**/idna*",

"**/requests*",

"**/urllib3*",

"**/bin",

"**/cdk.out/**",

"pytest.ini",

]

[lint]

select = [

"E", # pycodestyle errors

"W", # pycodestyle warnings

"F", # Pyflakes (includes unused imports, variables)

"I", # isort

"B", # flake8-bugbear

"C4", # flake8-comprehensions

"UP", # pyupgrade

"ARG", # flake8-unused-arguments

"SIM", # flake8-simplify

]

ignore = [

"E501", # line too long (handled by formatter)

"B008", # do not perform function calls in argument defaults

"B905", # zip without explicit strict parameter

"SIM108", # use ternary operator instead of if-else

]

# Per-file ignores for legitimate patterns

[lint.per-file-ignores]

# Tests: pytest fixtures/parameters often appear unused — keep ignoring those.

# F401 is enforced so unused imports surface in lint (and CI) like in app/.

"tests/**/*.py" = ["ARG001", "E402"]

# Pydantic models have fields that appear unused but are accessed dynamically

"app/ingest.py" = ["ARG002"]

# Dataclass fields from external APIs may not all be used

"app/tracer/client.py" = ["ARG002"]

# CLI entry points

"app/cli/__main__.py" = ["ARG001"]

# stderr buffer outlives the function — closed in a watcher thread's `finally`,

# so a `with` block at the call site would close it before the subprocess runs.

"app/cli/interactive_shell/routing/handle_message_with_agent/orchestration/action_executor/synthetic_tasks.py" = ["SIM115"]