# 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 stays enforced everywhere so unused imports surface in lint (and CI).
"tests/**/*.py" = ["ARG001", "E402"]
# CLI entry points
"surfaces/cli/__main__.py" = ["ARG001"]

# stderr/stdout buffers outlive the function — closed in a watcher thread's `finally`,
# so a `with` block at the call site would close them before the subprocess runs.
"tools/interactive_shell/synthetic/runner.py" = ["SIM115"]
"surfaces/interactive_shell/runtime/subprocess_runner/background_task_executor.py" = ["SIM115"]

# self._fd is opened in __init__ and must remain open for the lifetime of the
# background reader thread (_reader_loop). A with-block would close the fd when
# __init__ exits — before the thread reads anything. The fd is closed in close().
"tools/system/fleet_monitoring/tail.py" = ["SIM115"]

# tools/<vendor>_tools/__init__.py files are concatenations of multiple tool modules.
# Imports appear in each section rather than all at the top (E402).
"tools/*_tools/__init__.py" = ["E402", "F811"]
# Same layout after vendor tools migrate to integrations/<vendor>/tools/.
"integrations/*/tools/__init__.py" = ["E402", "F811"]

[lint.isort]
known-first-party = [
    "config",
    "core",
    "integrations",
    "platform",
    "surfaces",
    "tests",
    "tools",
]