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RedisFastProducer

faststream.redis.publisher.producer.RedisFastProducer #

RedisFastProducer(
    connection: ConnectionState[Redis[bytes]],
    parser: Optional[CustomCallable],
    decoder: Optional[CustomCallable],
    message_format: type[MessageFormat],
    serializer: Optional[SerializerProto],
)

Bases: BaseRedisFastProducer

Producer for a single-node Redis.

Source code in faststream/redis/publisher/producer.py 
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def __init__(
    self,
    connection: "ConnectionState[Redis[bytes]]",
    parser: Optional["CustomCallable"],
    decoder: Optional["CustomCallable"],
    message_format: type["MessageFormat"],
    serializer: Optional["SerializerProto"],
) -> None:
    super().__init__(
        connection=connection,
        parser=parser,
        decoder=decoder,
        message_format=message_format,
        serializer=serializer,
    )

codec instance-attribute #

codec = codec or DefaultCodec()

serializer instance-attribute #

serializer = serializer

publish async #

publish(cmd: RedisPublishCommand) -> int | bytes
Source code in faststream/redis/publisher/producer.py 
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@override
async def publish(self, cmd: "RedisPublishCommand") -> int | bytes:
    msg = await cmd.message_format.encode(
        message=cmd.body,
        reply_to=cmd.reply_to,
        headers=cmd.headers,
        correlation_id=cmd.correlation_id or "",
        serializer=self.serializer,
        codec=self.codec,
    )

    return await self.__publish(msg, cmd)

request async #

request(cmd: RedisPublishCommand) -> Any
Source code in faststream/redis/publisher/producer.py 
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@override
async def request(self, cmd: "RedisPublishCommand") -> "Any":
    nuid = NUID()
    reply_to = str(nuid.next(), "utf-8")
    psub = self._connection.client.pubsub()

    try:
        await psub.subscribe(reply_to)

        msg = await cmd.message_format.encode(
            message=cmd.body,
            reply_to=reply_to,
            headers=cmd.headers,
            correlation_id=cmd.correlation_id or "",
            serializer=self.serializer,
            codec=self.codec,
        )

        await self.__publish(msg, cmd)

        with anyio.fail_after(cmd.timeout) as scope:
            response_msg = None
            while response_msg is None:
                response_msg = await psub.get_message(
                    ignore_subscribe_messages=True,
                    timeout=cmd.timeout,  # type: ignore[arg-type]
                )

        if scope.cancel_called:
            raise TimeoutError

        return response_msg

    finally:
        with suppress(Exception):
            await psub.unsubscribe()
            await psub.aclose()  # type: ignore[attr-defined]

publish_batch async #

publish_batch(cmd: RedisPublishCommand) -> int
Source code in faststream/redis/publisher/producer.py 
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@override
async def publish_batch(self, cmd: "RedisPublishCommand") -> int:
    batch = [
        await cmd.message_format.encode(
            message=msg,
            correlation_id=cmd.correlation_id or "",
            reply_to=cmd.reply_to,
            headers=cmd.headers,
            serializer=self.serializer,
            codec=self.codec,
        )
        for msg in cmd.batch_bodies
    ]

    connection = cmd.pipeline or self._connection.client
    return cast("int", await connection.rpush(cmd.destination, *batch))

connect #

connect(
    serializer: Optional[SerializerProto] = None,
    codec: Optional[CodecProto] = None,
) -> None
Source code in faststream/redis/publisher/producer.py 
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def connect(
    self,
    serializer: Optional["SerializerProto"] = None,
    codec: Optional["CodecProto"] = None,
) -> None:
    self.serializer = serializer
    if codec is not None:
        self.codec = codec