BatchPublisher

@override
async def request(
    self,
    message: "SendableMessage",
    topic: str = "",
    *,
    key: Optional[bytes] = None,
    partition: Optional[int] = None,
    timestamp_ms: Optional[int] = None,
    headers: Optional[Dict[str, str]] = None,
    correlation_id: Optional[str] = None,
    timeout: float = 0.5,
    # publisher specific
    _extra_middlewares: Iterable["PublisherMiddleware"] = (),
) -> "KafkaMessage":
    assert self._producer, NOT_CONNECTED_YET  # nosec B101

    kwargs: AnyDict = {
        "key": key,
        # basic args
        "timeout": timeout,
        "timestamp_ms": timestamp_ms,
        "topic": topic or self.topic,
        "partition": partition or self.partition,
        "headers": headers or self.headers,
        "correlation_id": correlation_id or gen_cor_id(),
    }

    request: AsyncFunc = self._producer.request

    for pub_m in chain(
        self._middlewares[::-1],
        (
            _extra_middlewares
            or (m(None).publish_scope for m in self._broker_middlewares[::-1])
        ),
    ):
        request = partial(pub_m, request)

    published_msg = await request(message, **kwargs)

    async with AsyncExitStack() as stack:
        return_msg: Callable[[KafkaMessage], Awaitable[KafkaMessage]] = return_input
        for m in self._broker_middlewares[::-1]:
            mid = m(published_msg)
            await stack.enter_async_context(mid)
            return_msg = partial(mid.consume_scope, return_msg)

        parsed_msg = await self._producer._parser(published_msg)
        parsed_msg._decoded_body = await self._producer._decoder(parsed_msg)
        parsed_msg._source_type = SourceType.Response
        return await return_msg(parsed_msg)

    raise AssertionError("unreachable")

@override
def setup(  # type: ignore[override]
    self,
    *,
    producer: Optional["ProducerProto"],
) -> None:
    self._producer = producer

def add_prefix(self, prefix: str) -> None:
    self.topic = "".join((prefix, self.topic))

def schema(self) -> Dict[str, Channel]:
    """Returns the schema of the API operation as a dictionary of channel names and channel objects."""
    if self.include_in_schema:
        return self.get_schema()
    else:
        return {}

def add_middleware(self, middleware: "BrokerMiddleware[MsgType]") -> None:
    self._broker_middlewares = (*self._broker_middlewares, middleware)

@staticmethod
@abstractmethod
def create() -> "PublisherProto[MsgType]":
    """Abstract factory to create a real Publisher."""
    ...

@abstractmethod
def get_name(self) -> str:
    """Name property fallback."""
    raise NotImplementedError()

def get_description(self) -> Optional[str]:
    """Description property fallback."""
    return None

@abstractmethod
def get_schema(self) -> Dict[str, Channel]:
    """Generate AsyncAPI schema."""
    raise NotImplementedError()

def get_payloads(self) -> List[Tuple["AnyDict", str]]:
    payloads: List[Tuple[AnyDict, str]] = []

    if self.schema_:
        params = {"response__": (self.schema_, ...)}

        call_model: CallModel[Any, Any] = CallModel(
            call=lambda: None,
            model=create_model("Fake"),
            response_model=create_model(  # type: ignore[call-overload]
                "",
                __config__=get_config_base(),
                **params,
            ),
            params=params,
        )

        body = get_response_schema(
            call_model,
            prefix=f"{self.name}:Message",
        )
        if body:  # pragma: no branch
            payloads.append((body, ""))

    else:
        for call in self.calls:
            call_model = build_call_model(call)
            body = get_response_schema(
                call_model,
                prefix=f"{self.name}:Message",
            )
            if body:
                payloads.append((body, to_camelcase(unwrap(call).__name__)))

    return payloads

def set_test(
    self,
    *,
    mock: Annotated[
        MagicMock,
        Doc("Mock object to check in tests."),
    ],
    with_fake: Annotated[
        bool,
        Doc("Whetevet publisher's fake subscriber created or not."),
    ],
) -> None:
    """Turn publisher to testing mode."""
    self.mock = mock
    self._fake_handler = with_fake

def reset_test(self) -> None:
    """Turn off publisher's testing mode."""
    self._fake_handler = False
    self.mock = None

@override
async def publish(
    self,
    message: Union["SendableMessage", Iterable["SendableMessage"]],
    *extra_messages: "SendableMessage",
    topic: str = "",
    partition: Optional[int] = None,
    timestamp_ms: Optional[int] = None,
    headers: Optional[Dict[str, str]] = None,
    correlation_id: Optional[str] = None,
    reply_to: str = "",
    no_confirm: bool = False,
    # publisher specific
    _extra_middlewares: Iterable["PublisherMiddleware"] = (),
) -> None:
    assert self._producer, NOT_CONNECTED_YET  # nosec B101

    msgs: Iterable[SendableMessage]
    if extra_messages:
        msgs = (cast("SendableMessage", message), *extra_messages)
    else:
        msgs = cast(Iterable["SendableMessage"], message)

    kwargs: AnyDict = {
        "topic": topic or self.topic,
        "no_confirm": no_confirm,
        "partition": partition or self.partition,
        "timestamp_ms": timestamp_ms,
        "headers": headers or self.headers,
        "reply_to": reply_to or self.reply_to,
        "correlation_id": correlation_id or gen_cor_id(),
    }

    call: AsyncFunc = self._producer.publish_batch

    for m in chain(
        self._middlewares[::-1],
        (
            _extra_middlewares
            or (m(None).publish_scope for m in self._broker_middlewares[::-1])
        ),
    ):
        call = partial(m, call)

    await call(*msgs, **kwargs)