src layout

py.typed marker

pyproject.toml present

Poetry or hatchling build backend

mypy strict mode

ruff linting config

black line length

pytest pythonpath src

pytest strict markers

coverage fail-under

X|None union syntax

No os.path usage

asyncio.TaskGroup used

asyncio.timeout used

No blocking sync calls in async

async/await for I/O

X|None union syntax

collections.abc Sequence/Callable

Type hints on all functions

Context manager for resources

No bare except

asyncio.run entrypoint

Google docstrings

Protocol used

TypedDict used

Dataclass over __init__

field(default_factory) for mutables

X|None union syntax

Complete type hints

Google-style docstrings

pytest.mark.parametrize used

pytest fixtures used

No bare except

No mutable default args

pathlib not os.path

AsyncMock for async dependencies

assert_awaited used

patch decorator or context manager

pytest.mark.asyncio on async tests

No hardcoded secrets

Module-level logger

X|None union syntax

Full type annotations

Google-style docstrings

No bare except

pytest fixture used

functools.lru_cache or cache used

itertools groupby or accumulate used

collections.Counter used

collections.defaultdict used

itertools.chain used

Comprehensions or generators

X|None union syntax

Full type annotations

Google-style docstrings

pytest fixtures

parametrize used

TypeVar defined and used

Generic class defined

ParamSpec used in decorator

Callable from collections.abc

Literal type used

X|None union syntax

Full type annotations

Google-style docstrings

pytest fixtures used

parametrize used

No bare except

functools.wraps used