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How to use _assert_valid_batch_size method in localstack

Best Python code snippet using localstack_python
provider.py
Source:provider.py
...988        self._assert_batch(entries)989        # check the total batch size first and raise BatchRequestTooLong id > DEFAULT_MAXIMUM_MESSAGE_SIZE.990        # This is checked before any messages in the batch are sent.  Raising the exception here should991        # cause error response, rather than batching error results and returning992        self._assert_valid_batch_size(entries, DEFAULT_MAXIMUM_MESSAGE_SIZE)993        successful = []994        failed = []995        with queue.mutex:996            for entry in entries:997                try:998                    queue_item = self._put_message(999                        queue,1000                        context,1001                        message_body=entry.get("MessageBody"),1002                        delay_seconds=entry.get("DelaySeconds"),1003                        message_attributes=entry.get("MessageAttributes"),1004                        message_system_attributes=entry.get("MessageSystemAttributes"),1005                        message_deduplication_id=entry.get("MessageDeduplicationId"),1006                        message_group_id=entry.get("MessageGroupId"),1007                    )1008                    message = queue_item.message1009                    successful.append(1010                        SendMessageBatchResultEntry(1011                            Id=entry["Id"],1012                            MessageId=message.get("MessageId"),1013                            MD5OfMessageBody=message.get("MD5OfBody"),1014                            MD5OfMessageAttributes=message.get("MD5OfMessageAttributes"),1015                            MD5OfMessageSystemAttributes=_create_message_attribute_hash(1016                                message.get("message_system_attributes")1017                            ),1018                            SequenceNumber=queue_item.sequence_number,1019                        )1020                    )1021                except Exception as e:1022                    failed.append(1023                        BatchResultErrorEntry(1024                            Id=entry["Id"],1025                            SenderFault=False,1026                            Code=e.__class__.__name__,1027                            Message=str(e),1028                        )1029                    )1030        return SendMessageBatchResult(1031            Successful=successful,1032            Failed=failed,1033        )1034    def _put_message(1035        self,1036        queue: SqsQueue,1037        context: RequestContext,1038        message_body: String,1039        delay_seconds: Integer = None,1040        message_attributes: MessageBodyAttributeMap = None,1041        message_system_attributes: MessageBodySystemAttributeMap = None,1042        message_deduplication_id: String = None,1043        message_group_id: String = None,1044    ) -> SqsMessage:1045        check_message_content(message_body)1046        check_attributes(message_attributes)1047        check_attributes(message_system_attributes)1048        check_fifo_id(message_deduplication_id)1049        check_fifo_id(message_group_id)1050        message = Message(1051            MessageId=generate_message_id(),1052            MD5OfBody=md5(message_body),1053            Body=message_body,1054            Attributes=self._create_message_attributes(context, message_system_attributes),1055            MD5OfMessageAttributes=_create_message_attribute_hash(message_attributes),1056            MessageAttributes=message_attributes,1057        )1058        return queue.put(1059            message=message,1060            message_deduplication_id=message_deduplication_id,1061            message_group_id=message_group_id,1062            delay_seconds=int(delay_seconds) if delay_seconds is not None else None,1063        )1064    def receive_message(1065        self,1066        context: RequestContext,1067        queue_url: String,1068        attribute_names: AttributeNameList = None,1069        message_attribute_names: MessageAttributeNameList = None,1070        max_number_of_messages: Integer = None,1071        visibility_timeout: Integer = None,1072        wait_time_seconds: Integer = None,1073        receive_request_attempt_id: String = None,1074    ) -> ReceiveMessageResult:1075        queue = self._resolve_queue(context, queue_url=queue_url)1076        if wait_time_seconds is None:1077            wait_time_seconds = queue.wait_time_seconds1078        num = max_number_of_messages or 11079        block = True if wait_time_seconds else False1080        # collect messages1081        messages = []1082        # we chose to always return the maximum possible number of messages, even though AWS will typically return1083        # fewer messages than requested on small queues. at some point we could maybe change this to randomly sample1084        # between 1 and max_number_of_messages.1085        # see https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_ReceiveMessage.html1086        while num:1087            try:1088                standard_message = queue.get(1089                    block=block, timeout=wait_time_seconds, visibility_timeout=visibility_timeout1090                )1091                msg = standard_message.message1092            except Empty:1093                break1094            # setting block to false guarantees that, if we've already waited before, we don't wait the full time1095            # again in the next iteration if max_number_of_messages is set but there are no more messages in the1096            # queue. see https://github.com/localstack/localstack/issues/58241097            block = False1098            moved_to_dlq = False1099            if (1100                queue.attributes1101                and queue.attributes.get(QueueAttributeName.RedrivePolicy) is not None1102            ):1103                moved_to_dlq = self._dead_letter_check(queue, standard_message, context)1104            if moved_to_dlq:1105                continue1106            msg = copy.deepcopy(msg)1107            message_filter_attributes(msg, attribute_names)1108            message_filter_message_attributes(msg, message_attribute_names)1109            if msg.get("MessageAttributes"):1110                msg["MD5OfMessageAttributes"] = _create_message_attribute_hash(1111                    msg["MessageAttributes"]1112                )1113            else:1114                # delete the value that was computed when creating the message1115                msg.pop("MD5OfMessageAttributes")1116            # add message to result1117            messages.append(msg)1118            num -= 11119        # TODO: how does receiving behave if the queue was deleted in the meantime?1120        return ReceiveMessageResult(Messages=messages)1121    def _dead_letter_check(1122        self, queue: SqsQueue, std_m: SqsMessage, context: RequestContext1123    ) -> bool:1124        redrive_policy = json.loads(queue.attributes.get(QueueAttributeName.RedrivePolicy))1125        # TODO: include the names of the dictionary sub - attributes in the autogenerated code?1126        max_receive_count = int(redrive_policy["maxReceiveCount"])1127        if std_m.receive_times > max_receive_count:1128            dead_letter_target_arn = redrive_policy["deadLetterTargetArn"]1129            dl_queue = self._require_queue_by_arn(context, dead_letter_target_arn)1130            # TODO: this needs to be atomic?1131            dead_message = std_m.message1132            dl_queue.put(1133                message=dead_message,1134                message_deduplication_id=std_m.message_deduplication_id,1135                message_group_id=std_m.message_group_id,1136            )1137            queue.remove(std_m.message["ReceiptHandle"])1138            return True1139        else:1140            return False1141    def list_dead_letter_source_queues(1142        self,1143        context: RequestContext,1144        queue_url: String,1145        next_token: Token = None,1146        max_results: BoxedInteger = None,1147    ) -> ListDeadLetterSourceQueuesResult:1148        urls = []1149        backend = SqsBackend.get(context.region)1150        dead_letter_queue = self._resolve_queue(context, queue_url=queue_url)1151        for queue in backend.queues.values():1152            policy = queue.attributes.get(QueueAttributeName.RedrivePolicy)1153            if policy:1154                policy = json.loads(policy)1155                dlq_arn = policy.get("deadLetterTargetArn")1156                if dlq_arn == dead_letter_queue.arn:1157                    urls.append(queue.url(context))1158        return ListDeadLetterSourceQueuesResult(queueUrls=urls)1159    def delete_message(1160        self, context: RequestContext, queue_url: String, receipt_handle: String1161    ) -> None:1162        queue = self._resolve_queue(context, queue_url=queue_url)1163        queue.remove(receipt_handle)1164    def delete_message_batch(1165        self,1166        context: RequestContext,1167        queue_url: String,1168        entries: DeleteMessageBatchRequestEntryList,1169    ) -> DeleteMessageBatchResult:1170        queue = self._resolve_queue(context, queue_url=queue_url)1171        self._assert_batch(entries)1172        successful = []1173        failed = []1174        with queue.mutex:1175            for entry in entries:1176                try:1177                    queue.remove(entry["ReceiptHandle"])1178                    successful.append(DeleteMessageBatchResultEntry(Id=entry["Id"]))1179                except Exception as e:1180                    failed.append(1181                        BatchResultErrorEntry(1182                            Id=entry["Id"],1183                            SenderFault=False,1184                            Code=e.__class__.__name__,1185                            Message=str(e),1186                        )1187                    )1188        return DeleteMessageBatchResult(1189            Successful=successful,1190            Failed=failed,1191        )1192    def purge_queue(self, context: RequestContext, queue_url: String) -> None:1193        queue = self._resolve_queue(context, queue_url=queue_url)1194        with queue.mutex:1195            if config.SQS_DELAY_PURGE_RETRY:1196                if queue.purge_timestamp and (queue.purge_timestamp + 60) > time.time():1197                    raise PurgeQueueInProgress(1198                        f"Only one PurgeQueue operation on {queue.name} is allowed every 60 seconds."1199                    )1200            queue.purge_timestamp = time.time()1201            queue.clear()1202    def set_queue_attributes(1203        self, context: RequestContext, queue_url: String, attributes: QueueAttributeMap1204    ) -> None:1205        queue = self._resolve_queue(context, queue_url=queue_url)1206        if not attributes:1207            return1208        queue.validate_queue_attributes(attributes)1209        for k, v in attributes.items():1210            if k in INTERNAL_QUEUE_ATTRIBUTES:1211                raise InvalidAttributeName(f"Unknown Attribute {k}.")1212            queue.attributes[k] = v1213        # Special cases1214        if queue.attributes.get(QueueAttributeName.Policy) == "":1215            del queue.attributes[QueueAttributeName.Policy]1216        redrive_policy = queue.attributes.get(QueueAttributeName.RedrivePolicy)1217        if redrive_policy:1218            _redrive_policy = json.loads(redrive_policy)1219            dl_target_arn = _redrive_policy.get("deadLetterTargetArn")1220            max_receive_count = _redrive_policy.get("maxReceiveCount")1221            # TODO: use the actual AWS responses1222            if not dl_target_arn:1223                raise InvalidParameterValue(1224                    "The required parameter 'deadLetterTargetArn' is missing"1225                )1226            if not max_receive_count:1227                raise InvalidParameterValue("The required parameter 'maxReceiveCount' is missing")1228            try:1229                max_receive_count = int(max_receive_count)1230                valid_count = 1 <= max_receive_count <= 10001231            except ValueError:1232                valid_count = False1233            if not valid_count:1234                raise InvalidParameterValue(1235                    f"Value {redrive_policy} for parameter RedrivePolicy is invalid. Reason: Invalid value for "1236                    f"maxReceiveCount: {max_receive_count}, valid values are from 1 to 1000 both inclusive. "1237                )1238    def tag_queue(self, context: RequestContext, queue_url: String, tags: TagMap) -> None:1239        queue = self._resolve_queue(context, queue_url=queue_url)1240        if not tags:1241            return1242        for k, v in tags.items():1243            queue.tags[k] = v1244    def list_queue_tags(self, context: RequestContext, queue_url: String) -> ListQueueTagsResult:1245        queue = self._resolve_queue(context, queue_url=queue_url)1246        return ListQueueTagsResult(Tags=queue.tags)1247    def untag_queue(self, context: RequestContext, queue_url: String, tag_keys: TagKeyList) -> None:1248        queue = self._resolve_queue(context, queue_url=queue_url)1249        for k in tag_keys:1250            if k in queue.tags:1251                del queue.tags[k]1252    def add_permission(1253        self,1254        context: RequestContext,1255        queue_url: String,1256        label: String,1257        aws_account_ids: AWSAccountIdList,1258        actions: ActionNameList,1259    ) -> None:1260        queue = self._resolve_queue(context, queue_url=queue_url)1261        self._validate_actions(actions)1262        for account_id in aws_account_ids:1263            for action in actions:1264                queue.permissions.add(Permission(label, account_id, action))1265    def remove_permission(self, context: RequestContext, queue_url: String, label: String) -> None:1266        queue = self._resolve_queue(context, queue_url=queue_url)1267        candidates = [p for p in queue.permissions if p.label == label]1268        if candidates:1269            queue.permissions.remove(candidates[0])1270    def _create_message_attributes(1271        self,1272        context: RequestContext,1273        message_system_attributes: MessageBodySystemAttributeMap = None,1274    ) -> Dict[MessageSystemAttributeName, str]:1275        result: Dict[MessageSystemAttributeName, str] = {1276            MessageSystemAttributeName.SenderId: context.account_id,  # not the account ID in AWS1277            MessageSystemAttributeName.SentTimestamp: str(now(millis=True)),1278        }1279        if message_system_attributes is not None:1280            for attr in message_system_attributes:1281                result[attr] = message_system_attributes[attr]["StringValue"]1282        return result1283    def _validate_actions(self, actions: ActionNameList):1284        service = load_service(service=self.service, version=self.version)1285        # FIXME: this is a bit of a heuristic as it will also include actions like "ListQueues" which is not1286        #  associated with an action on a queue1287        valid = list(service.operation_names)1288        valid.append("*")1289        for action in actions:1290            if action not in valid:1291                raise InvalidParameterValue(1292                    f"Value SQS:{action} for parameter ActionName is invalid. Reason: Please refer to the appropriate "1293                    "WSDL for a list of valid actions. "1294                )1295    def _assert_batch(self, batch: List):1296        if not batch:1297            raise EmptyBatchRequest1298        visited = set()1299        for entry in batch:1300            # TODO: InvalidBatchEntryId1301            if entry["Id"] in visited:1302                raise BatchEntryIdsNotDistinct()1303            else:1304                visited.add(entry["Id"])1305    def _assert_valid_batch_size(self, batch: List, max_message_size: int):1306        batch_message_size = sum([len(entry.get("MessageBody").encode("utf8")) for entry in batch])1307        if batch_message_size > max_message_size:1308            error = f"Batch requests cannot be longer than {max_message_size} bytes."1309            error += f" You have sent {batch_message_size} bytes."1310            raise BatchRequestTooLong(error)1311# Method from moto's attribute_md5 of moto/sqs/models.py, separated from the Message Object1312def _create_message_attribute_hash(message_attributes) -> Optional[str]:1313    # To avoid the need to check for dict conformity everytime we invoke this function1314    if not isinstance(message_attributes, dict):1315        return1316    hash = hashlib.md5()1317    for attrName in sorted(message_attributes.keys()):1318        attr_value = message_attributes[attrName]1319        # Encode name...
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