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How to use requeue_inflight_messages method in localstack

Best Python code snippet using localstack_python

provider.py

Source:provider.py

...314                # TODO: update message attributes (ApproximateFirstReceiveTimestamp, ApproximateReceiveCount)315                copied_message = copy.deepcopy(standard_message)316                copied_message.message["ReceiptHandle"] = receipt_handle317            return copied_message318    def requeue_inflight_messages(self):319        if not self.inflight:320            return321        with self.mutex:322            messages = list(self.inflight)323            for standard_message in messages:324                if standard_message.is_visible:325                    LOG.debug(326                        "re-queueing inflight messages %s into queue %s",327                        standard_message.message["MessageId"],328                        self.arn,329                    )330                    self.inflight.remove(standard_message)331                    self.visible.put_nowait(standard_message)332    def _assert_queue_name(self, name):333        if not re.match(r"^[a-zA-Z0-9_-]{1,80}$", name):334            raise InvalidParameterValue(335                "Can only include alphanumeric characters, hyphens, or underscores. 1 to 80 in length"336            )337    def validate_queue_attributes(self, attributes):338        valid = [k[1] for k in inspect.getmembers(QueueAttributeName)]339        del valid[valid.index(QueueAttributeName.FifoQueue)]340        for k in attributes.keys():341            if k not in valid:342                raise InvalidAttributeName(f"Unknown attribute name {k}")343    def generate_sequence_number(self):344        return None345class StandardQueue(SqsQueue):346    def put(347        self,348        message: Message,349        visibility_timeout: int = None,350        message_deduplication_id: str = None,351        message_group_id: str = None,352    ):353        if message_deduplication_id:354            raise InvalidParameterValue(355                f"Value {message_deduplication_id} for parameter MessageDeduplicationId is invalid. Reason: The "356                f"request includes a parameter that is not valid for this queue type. "357            )358        if message_group_id:359            raise InvalidParameterValue(360                f"Value {message_group_id} for parameter MessageGroupId is invalid. Reason: The request includes a "361                f"parameter that is not valid for this queue type. "362            )363        standard_message = SqsMessage(time.time(), message)364        if visibility_timeout is not None:365            standard_message.visibility_timeout = visibility_timeout366        else:367            # use the attribute from the queue368            standard_message.visibility_timeout = self.visibility_timeout369        self.visible.put_nowait(standard_message)370class FifoQueue(SqsQueue):371    visible: PriorityQueue372    inflight: Set[SqsMessage]373    receipts: Dict[str, SqsMessage]374    deduplication: Dict[str, Dict[str, SqsMessage]]375    def __init__(self, key: QueueKey, attributes=None, tags=None) -> None:376        super().__init__(key, attributes, tags)377        self.deduplication = {}378    def put(379        self,380        message: Message,381        visibility_timeout: int = None,382        message_deduplication_id: str = None,383        message_group_id: str = None,384    ):385        if not message_group_id:386            raise MissingParameter("The request must contain the parameter MessageGroupId.")387        dedup_id = message_deduplication_id388        content_based_deduplication = (389            "true"390            == (self.attributes.get(QueueAttributeName.ContentBasedDeduplication, "false")).lower()391        )392        if not dedup_id and content_based_deduplication:393            dedup_id = hashlib.sha256(message.get("Body").encode("utf-8")).hexdigest()394        if not dedup_id:395            raise InvalidParameterValue(396                "The Queue should either have ContentBasedDeduplication enabled or MessageDeduplicationId provided "397                "explicitly "398            )399        qm = SqsMessage(400            time.time(),401            message,402            message_deduplication_id=dedup_id,403            message_group_id=message_group_id,404        )405        if visibility_timeout is not None:406            qm.visibility_timeout = visibility_timeout407        else:408            # use the attribute from the queue409            qm.visibility_timeout = self.visibility_timeout410        original_message = None411        original_message_group = self.deduplication.get(message_group_id)412        if original_message_group:413            original_message = original_message_group.get(dedup_id)414        if (415            original_message416            and not original_message.deleted417            and original_message.priority + DEDUPLICATION_INTERVAL_IN_SEC > qm.priority418        ):419            message["MessageId"] = original_message.message["MessageId"]420        else:421            self.visible.put_nowait(qm)422            if not original_message_group:423                self.deduplication[message_group_id] = {}424            self.deduplication[message_group_id][message_deduplication_id] = qm425    def _assert_queue_name(self, name):426        if not name.endswith(".fifo"):427            raise InvalidParameterValue(428                "The name of a FIFO queue can only include alphanumeric characters, hyphens, or underscores, "429                "must end with .fifo suffix and be 1 to 80 in length"430            )431        # The .fifo suffix counts towards the 80-character queue name quota.432        queue_name = name[:-5] + "_fifo"433        super()._assert_queue_name(queue_name)434    def validate_queue_attributes(self, attributes):435        valid = [k[1] for k in inspect.getmembers(QueueAttributeName)]436        for k in attributes.keys():437            if k not in valid:438                raise InvalidAttributeName(f"Unknown attribute name {k}")439        # Special Cases440        fifo = attributes.get(QueueAttributeName.FifoQueue)441        if fifo and fifo.lower() != "true":442            raise InvalidAttributeValue(443                "Invalid value for the parameter FifoQueue. Reason: Modifying queue type is not supported."444            )445    # TODO: If we ever actually need to do something with this number, it needs to be part of446    #   SQSMessage. This means changing all *put*() signatures to return the saved message.447    def generate_sequence_number(self):448        return _create_mock_sequence_number()449class InflightUpdateWorker:450    """451    Regularly re-queues inflight messages whose visibility timeout has expired.452    FIXME: very crude implementation. it would be better to have event-driven communication.453    """454    queues: Dict[QueueKey, SqsQueue]455    def __init__(self, queues: Dict[QueueKey, SqsQueue]) -> None:456        super().__init__()457        self.queues = queues458        self.running = False459        self.thread: Optional[FuncThread] = None460    def start(self):461        if self.thread:462            return463        def _run(*_args):464            self.running = True465            self.run()466        self.thread = start_thread(_run)467    def stop(self):468        if self.thread:469            self.thread.stop()470        self.running = False471        self.thread = None472    def run(self):473        while self.running:474            time.sleep(1)475            for queue in self.queues.values():476                queue.requeue_inflight_messages()477def check_attributes(message_attributes: MessageBodyAttributeMap):478    if not message_attributes:479        return480    for attribute_name in message_attributes:481        if len(attribute_name) >= 256:482            raise InvalidParameterValue(483                "Message (user) attribute names must be shorter than 256 Bytes"484            )485        if not re.match(ATTR_NAME_CHAR_REGEX, attribute_name.lower()):486            raise InvalidParameterValue(487                "Message (user) attributes name can only contain upper and lower score characters, digits, periods, "488                "hyphens and underscores. "489            )490        if not re.match(ATTR_NAME_PREFIX_SUFFIX_REGEX, attribute_name.lower()):...

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