Finish updating ruff rules

- update ruff config
- update files for updated config
- ignores doc rules in CI for now (see #2)

.github/workflows/lint.yml

@@ -10,12 +10,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: chartboost/ruff-action@v1
+      - uses: astral-sh/ruff-action@v1
         with:
           args: 'format --check'
-      - uses: chartboost/ruff-action@v1
+      - uses: astral-sh/ruff-action@v1
         with:
-          args: 'check'
+          args: 'check --ignore "D" "DOC"'
 
   check:
     runs-on: ubuntu-latest

async_utils/_cpython_stuff.py

@@ -19,9 +19,6 @@
 
 
 class _HashedSeq(list[Any]):
-    """This class guarantees that hash() will be called no more than once
-    per element.  This is important because the lru_cache() will hash
-    the key multiple times on a cache miss."""
 
     __slots__ = ("hashvalue",)
 
@@ -45,16 +42,6 @@ def make_key(
     type: type[type] = type,  # noqa: A002
     len: Callable[[Sized], int] = len,  # noqa: A002
 ) -> Hashable:
-    """Make a cache key from optionally typed positional and keyword arguments
-    The key is constructed in a way that is flat as possible rather than
-    as a nested structure that would take more memory.
-    If there is only a single argument and its data type is known to cache
-    its hash value, then that argument is returned without a wrapper.  This
-    saves space and improves lookup speed."""
-    # All of code below relies on kwds preserving the order input by the user.
-    # Formerly, we sorted() the kwds before looping.  The new way is *much*
-    # faster; however, it means that f(x=1, y=2) will now be treated as a
-    # distinct call from f(y=2, x=1) which will be cached separately.
     key: tuple[Any, ...] = args
     if kwds:
         key += kwd_mark

async_utils/bg_loop.py

@@ -36,19 +36,18 @@ def stop(self) -> None:
         self._loop.call_soon_threadsafe(self._loop.stop)
 
     def schedule(self, coro: _FutureLike[_T]) -> Future[_T]:
-        """Schedule a coroutine to run on the wrapped event loop"""
+        """Schedule a coroutine to run on the wrapped event loop."""
         return asyncio.run_coroutine_threadsafe(coro, self._loop)
 
     async def run(self, coro: _FutureLike[_T]) -> _T:
-        """Schedule a coroutine to run on the background loop,
-        awaiting it finishing."""
-
+        """Schedule and await a coroutine to run on the background loop."""
         future = asyncio.run_coroutine_threadsafe(coro, self._loop)
         return await asyncio.wrap_future(future)
 
 
 def run_forever(
-    loop: asyncio.AbstractEventLoop, use_eager_task_factory: bool, /
+    loop: asyncio.AbstractEventLoop, /, *,
+    use_eager_task_factory: bool = True,
 ) -> None:
     asyncio.set_event_loop(loop)
     if use_eager_task_factory:
@@ -87,11 +86,14 @@ def run_forever(
 def threaded_loop(
     *, use_eager_task_factory: bool = True
 ) -> Generator[LoopWrapper, None, None]:
-    """Starts an event loop on a background thread,
+    """Create and use a managed event loop in a backround thread.
+
+    Starts an event loop on a background thread,
     and yields an object with scheduling methods for interacting with
     the loop.
 
-    loop is scheduled for shutdown, and thread is joined at contextmanager exit"""
+    loop is scheduled for shutdown, and thread is joined at contextmanager exit
+    """
     loop = asyncio.new_event_loop()
     thread = None
     try:

async_utils/bg_tasks.py

@@ -27,19 +27,19 @@
 
 
 class BGTasks:
-    """An intentionally dumber task group"""
+    """An intentionally dumber task group."""
 
     def __init__(self, exit_timeout: float | None) -> None:
         self._tasks: set[asyncio.Task[Any]] = set()
-        self._exit_timeout: float | None = exit_timeout
+        self._etime: float | None = exit_timeout
 
     def create_task(
         self,
         coro: _CoroutineLike[_T],
         *,
         name: str | None = None,
         context: Context | None = None,
-    ) -> Any:
+    ) -> asyncio.Task[_T]:
         t = asyncio.create_task(coro)
         self._tasks.add(t)
         t.add_done_callback(self._tasks.discard)
@@ -48,11 +48,9 @@ def create_task(
     async def __aenter__(self: Self) -> Self:
         return self
 
-    async def __aexit__(self, *_dont_care: Any):
+    async def __aexit__(self, *_dont_care: object):
         while tsks := self._tasks.copy():
-            _done, _pending = await asyncio.wait(
-                tsks, timeout=self._exit_timeout
-            )
+            _done, _pending = await asyncio.wait(tsks, timeout=self._etime)
             for task in _pending:
                 task.cancel()
             await asyncio.sleep(0)

async_utils/corofunc_cache.py

@@ -39,14 +39,16 @@ def corocache(
     """Decorator to cache coroutine functions.
 
     This is less powerful than the version in task_cache.py but may work better
-    for some cases where typing of libraries this interacts with is too restrictive.
+    for some cases where typing of libraries this interacts with is too
+    restrictive.
 
     Note: This uses the args and kwargs of the original coroutine function as a
     cache key. This includes instances (self) when wrapping methods.
-    Consider not wrapping instance methods, but what those methods call when feasible
-    in cases where this may matter.
+    Consider not wrapping instance methods, but what those methods call when
+    feasible in cases where this may matter.
 
-    The ordering of args and kwargs matters."""
+    The ordering of args and kwargs matters.
+    """
 
     def wrapper(coro: CoroLike[P, R]) -> CoroFunc[P, R]:
         internal_cache: dict[Hashable, asyncio.Future[R]] = {}
@@ -88,16 +90,18 @@ def lrucorocache(
     """Decorator to cache coroutine functions.
 
     This is less powerful than the version in task_cache.py but may work better
-    for some cases where typing of libraries this interacts with is too restrictive.
+    for some cases where typing of libraries this interacts with is too
+    restrictive.
 
     Note: This uses the args and kwargs of the original coroutine function as a
     cache key. This includes instances (self) when wrapping methods.
-    Consider not wrapping instance methods, but what those methods call when feasible
-    in cases where this may matter.
+    Consider not wrapping instance methods, but what those methods call when
+    feasible in cases where this may matter.
 
     The ordering of args and kwargs matters.
 
-    cached results are evicted by LRU and ttl."""
+    Cached results are evicted by LRU and ttl.
+    """
 
     def wrapper(coro: CoroLike[P, R]) -> CoroFunc[P, R]:
         internal_cache: LRU[Hashable, asyncio.Future[R]] = LRU(maxsize)

async_utils/gen_transform.py

@@ -26,8 +26,8 @@
 
 
 class _PeekableQueue[T](asyncio.Queue[T]):
-    """This is for internal use only, tested on both 3.12 and 3.13
-    This will be tested for 3.14 prior to 3.14's release."""
+    # This is for internal use only, tested on both 3.12 and 3.13
+    # This will be tested for 3.14 prior to 3.14's release.
 
     _get_loop: Callable[[], asyncio.AbstractEventLoop]  # pyright: ignore[reportUninitializedInstanceVariable]
     _getters: deque[asyncio.Future[None]]  # pyright: ignore[reportUninitializedInstanceVariable]
@@ -71,8 +71,7 @@ def sync_to_async_gen(
     *args: P.args,
     **kwargs: P.kwargs,
 ) -> AsyncGenerator[YieldType]:
-    """Asynchronously iterate over a synchronous generator run in
-    background thread.
+    """Asynchronously iterate over a synchronous generator.
 
     The generator function and it's arguments must be threadsafe and will be
     iterated lazily. Generators which perform cpu intensive work while holding
@@ -84,7 +83,8 @@ def sync_to_async_gen(
 
     If your generator is actually a synchronous coroutine, that's super cool,
     but rewrite is as a native coroutine or use it directly then, you don't need
-    what this function does."""
+    what this function does.
+    """
     # Provides backpressure, ensuring the underlying sync generator in a thread
     # is lazy If the user doesn't want laziness, then using this method makes
     # little sense, they could trivially exhaust the generator in a thread with

async_utils/lockout.py

@@ -23,7 +23,7 @@
 
 
 class Lockout:
-    """Lock out an async resource for an amount of time
+    """Lock out an async resource for an amount of time.
 
     Resources may be locked out multiple times.
 
@@ -79,7 +79,9 @@ async def __aexit__(self, *_dont_care: object) -> None:
 
 
 class FIFOLockout:
-    """A FIFO preserving version of Lockout. This has slightly more
+    """A FIFO preserving version of Lockout.
+
+    This has slightly more
     overhead than the base Lockout class, which is not guaranteed to
     preserve FIFO, though happens to in the case of not being locked.
 

async_utils/priority_sem.py

@@ -19,7 +19,7 @@
 import contextvars
 import heapq
 import threading
-from collections.abc import Callable
+from collections.abc import Callable, Generator
 from contextlib import contextmanager
 from typing import Any, NamedTuple
 
@@ -55,7 +55,8 @@ def __lt__(self, other: Any) -> bool:
 
 
 @contextmanager
-def priority_context(priority: int):
+def priority_context(priority: int) -> Generator[None, None, None]:
+    """Set the priority for all PrioritySemaphore use in this context."""
     token = _priority.set(priority)
     try:
         yield None
@@ -67,7 +68,8 @@ def priority_context(priority: int):
 
 
 class PrioritySemaphore:
-    """
+    """A Semaphore with priority-based aquisition ordering.
+
     Provides a semaphore with similar semantics as asyncio.Semaphore,
     but using an underlying priority. priority is shared within a context
     manager's logical scope, but the context can be nested safely.
@@ -76,11 +78,11 @@ class PrioritySemaphore:
 
     context manager use:
 
-    sem = PrioritySemaphore(1)
+    >>> sem = PrioritySemaphore(1)
+    >>> with priority_ctx(10):
+            async with sem:
+                ...
 
-    with priority_ctx(10):
-        async with sem:
-            ...
     """
 
     _loop: asyncio.AbstractEventLoop | None = None
@@ -93,12 +95,14 @@ def _get_loop(self) -> asyncio.AbstractEventLoop:
                 if self._loop is None:
                     self._loop = loop
         if loop is not self._loop:
-            raise RuntimeError(f"{self!r} is bound to a different event loop")
+            msg = f"{self!r} is bound to a different event loop"
+            raise RuntimeError(msg)
         return loop
 
     def __init__(self, value: int = 1):
         if value < 0:
-            raise ValueError("Semaphore initial value must be >= 0")
+            msg = "Semaphore initial value must be >= 0"
+            raise ValueError(msg)
         self._waiters: list[PriorityWaiter] | None = None
         self._value: int = value
 
@@ -120,9 +124,8 @@ def locked(self) -> bool:
     async def __aenter__(self):
         prio = _priority.get()
         await self.acquire(prio)
-        return
 
-    async def __aexit__(self, *dont_care: Any):
+    async def __aexit__(self, *dont_care: object):
         self.release()
 
     async def acquire(self, priority: int = _default) -> bool:
@@ -174,6 +177,6 @@ def _maybe_wake(self) -> None:
                 heapq.heappush(self._waiters, next_waiter)
                 break
 
-    def release(self):
+    def release(self) -> None:
         self._value += 1
         self._maybe_wake()

async_utils/ratelimiter.py

@@ -23,9 +23,12 @@
 
 
 class RateLimiter:
-    """This is an asyncio specific ratelimit implementation which does not
+    """Asyncio-specific internal application ratelimiter.
+
+    This is an asyncio specific ratelimit implementation which does not
     account for various networking effects / responses and
-    should only be used for internal limiting."""
+    should only be used for internal limiting.
+    """
 
     def __init__(self, rate_limit: int, period: float, granularity: float):
         self.rate_limit: int = rate_limit

async_utils/scheduler.py

@@ -73,7 +73,7 @@ async def __aenter__(self):
 
         return self
 
-    async def __aexit__(self, *_dont_care: Any):
+    async def __aexit__(self, *_dont_care: object):
         self.__closed = True
 
     def __aiter__(self):
@@ -108,23 +108,22 @@ async def create_task(
         await self.__tqueue.put(t)
         return t.cancel_token
 
-    async def cancel_task(self, cancel_token: CancelationToken, /) -> bool:
-        """Returns if the task with that CancelationToken. Cancelling an
-        already cancelled task is allowed and has no additional effect."""
+    async def cancel_task(self, cancel_token: CancelationToken, /) -> None:
+        """Cancel a task.
+
+        Canceling an already canceled task is not an error
+        """
         async with self.__l:
             try:
                 task = self.__tasks[cancel_token]
                 task.canceled = True
             except KeyError:
                 pass
-            else:
-                return True
-        return False
 
-    def close(self):
-        """Closes the scheduler without waiting"""
+    def close(self) -> None:
+        """Closes the scheduler without waiting."""
         self.__closed = True
 
-    async def join(self):
-        """Waits for the scheduler's internal queue to be empty"""
+    async def join(self) -> None:
+        """Waits for the scheduler's internal queue to be empty."""
         await self.__tqueue.join()

async_utils/sig_service.py

@@ -42,9 +42,12 @@ class SpecialExit(enum.IntEnum):
 
 
 class SignalService:
-    """Meant for graceful signal handling where the main thread is only used
+    """Helper for signal handling.
+
+    Meant for graceful signal handling where the main thread is only used
     for signal handling.
-    This should be paired with event loops being run in threads."""
+    This should be paired with event loops being run in threads.
+    """
 
     def __init__(
         self,
@@ -59,16 +62,16 @@ def __init__(
     def get_send_socket(self) -> socket.socket:
         return self.cs
 
-    def add_startup(self, job: StartStopCall):
+    def add_startup(self, job: StartStopCall) -> None:
         self._startup.append(job)
 
-    def add_signal_cb(self, cb: SignalCallback):
+    def add_signal_cb(self, cb: SignalCallback) -> None:
         self._cbs.append(cb)
 
-    def add_join(self, join: StartStopCall):
+    def add_join(self, join: StartStopCall) -> None:
         self._joins.append(join)
 
-    def run(self):
+    def run(self) -> None:
         signal.set_wakeup_fd(self.cs.fileno())
 
         original_handlers: list[_HANDLER] = []
@@ -92,5 +95,5 @@ def run(self):
         for join in self._joins:
             join()
 
-        for sig, original in zip(actual, original_handlers):
+        for sig, original in zip(actual, original_handlers, strict=True):
             signal.signal(sig, original)