Improve error handling around filter

    - pydocstyle[toml]

- repo: https://github.com/pre-commit/mirrors-mypy

  rev: v0.961

  rev: v0.991

  hooks:

  - id: mypy

    args: [--follow-imports=silent]

from __future__ import annotations

import logging

from collections.abc import AsyncGenerator

from warnings import warn

from .session import *

from .util import Broadcast

from .util import qualname

MessageChannel = anyio.abc.ObjectStream[Message]

Sender = AsyncGenerator[None, Message]

		async with session:

			assert isinstance(session.broadcast, _Broadcast)

			session.broadcast.task_status = task_status

			try:

				final_resp = await fltr(session)

			except Exception:

				logging.exception(f"error in filter {qualname(fltr)}")

				final_resp = TemporaryFailure()

		if not isinstance(final_resp, _VALID_FINAL_RESPONSES):

			warn(f"expected a final response from {fltr}, got {final_resp}")

			warn(f"expected a valid response from {qualname(fltr)}, got {final_resp}")

			final_resp = TemporaryFailure()

	async with anyio.create_task_group() as tasks:

Common helper utilities

"""

# mypy: disallow-any-explicit=False

from __future__ import annotations

from collections.abc import Callable

from typing import Generic

from typing import Optional

from typing import TypeVar

import anyio

T = TypeVar("T")

Fn = TypeVar("Fn", bound=Callable[..., object])

class Broadcast(anyio.Condition, Generic[T]):

			raise self.exc

		assert self.obj is not None

		return self.obj

def qualname(func: Fn) -> str:

	"""

	Return a qualified name for a callable

	"""

	if func.__module__ == "__main__":

		return func.__qualname__

	return f"{func.__module__}.{func.__qualname__}"

			with self.assertWarns(UserWarning) as wcm:

				await stream_mock.send_and_expect(Helo("test.example.com"), TemporaryFailure)

			assert "expected a final response" in str(wcm.warning)

			assert "expected a valid response" in str(wcm.warning)

	async def test_macros(self) -> None:

		"""