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How to use fix_consumed_capacity method in localstack

Best Python code snippet using localstack_python
provider.py
Source:provider.py
...550        return result551    @handler("GetItem", expand=False)552    def get_item(self, context: RequestContext, get_item_input: GetItemInput) -> GetItemOutput:553        result = self.forward_request(context)554        self.fix_consumed_capacity(get_item_input, result)555        return result556    @handler("Query", expand=False)557    def query(self, context: RequestContext, query_input: QueryInput) -> QueryOutput:558        index_name = query_input.get("IndexName")559        if index_name:560            if not is_index_query_valid(query_input):561                raise ValidationException(562                    "One or more parameter values were invalid: Select type ALL_ATTRIBUTES "563                    "is not supported for global secondary index id-index because its projection "564                    "type is not ALL",565                )566        result = self.forward_request(context)567        self.fix_consumed_capacity(query_input, result)568        return result569    @handler("Scan", expand=False)570    def scan(self, context: RequestContext, scan_input: ScanInput) -> ScanOutput:571        return self.forward_request(context)572    @handler("BatchWriteItem", expand=False)573    def batch_write_item(574        self,575        context: RequestContext,576        batch_write_item_input: BatchWriteItemInput,577    ) -> BatchWriteItemOutput:578        existing_items = []579        unprocessed_put_items = []580        unprocessed_delete_items = []581        request_items = batch_write_item_input["RequestItems"]582        for table_name in sorted(request_items.keys()):583            for request in request_items[table_name]:584                for key in ["PutRequest", "DeleteRequest"]:585                    inner_request = request.get(key)586                    if inner_request:587                        if self.should_throttle("BatchWriteItem"):588                            if key == "PutRequest":589                                unprocessed_put_items.append(inner_request)590                            elif key == "DeleteRequest":591                                unprocessed_delete_items.append(inner_request)592                        else:593                            item = ItemFinder.find_existing_item(inner_request, table_name)594                            existing_items.append(item)595        # forward request to backend596        result = self.forward_request(context)597        # determine and forward stream records598        request_items = batch_write_item_input["RequestItems"]599        records, unprocessed_items = self.prepare_batch_write_item_records(600            request_items=request_items,601            unprocessed_put_items=unprocessed_put_items,602            unprocessed_delete_items=unprocessed_delete_items,603            existing_items=existing_items,604        )605        streams_enabled_cache = {}606        event_sources_or_streams_enabled = False607        for record in records:608            event_sources_or_streams_enabled = (609                event_sources_or_streams_enabled610                or has_event_sources_or_streams_enabled(611                    record["eventSourceARN"], streams_enabled_cache612                )613            )614        if event_sources_or_streams_enabled:615            self.forward_stream_records(records)616        # update response617        if any(unprocessed_items):618            table_name = list(request_items.keys())[0]619            unprocessed = result["UnprocessedItems"]620            if table_name not in unprocessed:621                unprocessed[table_name] = []622            for key in ["PutRequest", "DeleteRequest"]:623                if any(unprocessed_items[key]):624                    unprocessed_items[table_name].append({key: unprocessed_items[key]})625            for key in list(unprocessed.keys()):626                if not unprocessed.get(key):627                    del unprocessed[key]628        return result629    @handler("TransactWriteItems", expand=False)630    def transact_write_items(631        self,632        context: RequestContext,633        transact_write_items_input: TransactWriteItemsInput,634    ) -> TransactWriteItemsOutput:635        existing_items = []636        for item in transact_write_items_input["TransactItems"]:637            for key in ["Put", "Update", "Delete"]:638                inner_item = item.get(key)639                if inner_item:640                    existing_items.append(ItemFinder.find_existing_item(inner_item))641        # forward request to backend642        result = self.forward_request(context)643        # determine and forward stream records644        streams_enabled_cache = {}645        records = self.prepare_transact_write_item_records(646            transact_items=transact_write_items_input["TransactItems"],647            existing_items=existing_items,648        )649        event_sources_or_streams_enabled = False650        for record in records:651            event_sources_or_streams_enabled = (652                event_sources_or_streams_enabled653                or has_event_sources_or_streams_enabled(654                    record["eventSourceARN"], streams_enabled_cache655                )656            )657        if event_sources_or_streams_enabled:658            self.forward_stream_records(records)659        return result660    @handler("ExecuteStatement", expand=False)661    def execute_statement(662        self,663        context: RequestContext,664        execute_statement_input: ExecuteStatementInput,665    ) -> ExecuteStatementOutput:666        statement = execute_statement_input["Statement"]667        table_name = extract_table_name_from_partiql_update(statement)668        existing_items = None669        if table_name and has_event_sources_or_streams_enabled(table_name):670            # Note: fetching the entire list of items is hugely inefficient, especially for larger tables671            # TODO: find a mechanism to hook into the PartiQL update mechanism of DynamoDB Local directly!672            existing_items = ItemFinder.list_existing_items_for_statement(statement)673        # forward request to backend674        result = self.forward_request(context)675        # construct and forward stream record676        event_sources_or_streams_enabled = table_name and has_event_sources_or_streams_enabled(677            table_name678        )679        if event_sources_or_streams_enabled:680            records = get_updated_records(table_name, existing_items)681            self.forward_stream_records(records, table_name=table_name)682        return result683    def tag_resource(684        self, context: RequestContext, resource_arn: ResourceArnString, tags: TagList685    ) -> None:686        table_tags = DynamoDBRegion.TABLE_TAGS687        if resource_arn not in table_tags:688            table_tags[resource_arn] = {}689        table_tags[resource_arn].update({tag["Key"]: tag["Value"] for tag in tags})690    def untag_resource(691        self, context: RequestContext, resource_arn: ResourceArnString, tag_keys: TagKeyList692    ) -> None:693        for tag_key in tag_keys or []:694            DynamoDBRegion.TABLE_TAGS.get(resource_arn, {}).pop(tag_key, None)695    def list_tags_of_resource(696        self,697        context: RequestContext,698        resource_arn: ResourceArnString,699        next_token: NextTokenString = None,700    ) -> ListTagsOfResourceOutput:701        result = [702            {"Key": k, "Value": v}703            for k, v in DynamoDBRegion.TABLE_TAGS.get(resource_arn, {}).items()704        ]705        return ListTagsOfResourceOutput(Tags=result)706    def describe_time_to_live(707        self, context: RequestContext, table_name: TableName708    ) -> DescribeTimeToLiveOutput:709        backend = DynamoDBRegion.get()710        ttl_spec = backend.ttl_specifications.get(table_name)711        result = {"TimeToLiveStatus": "DISABLED"}712        if ttl_spec:713            if ttl_spec.get("Enabled"):714                ttl_status = "ENABLED"715            else:716                ttl_status = "DISABLED"717            result = {718                "AttributeName": ttl_spec.get("AttributeName"),719                "TimeToLiveStatus": ttl_status,720            }721        return DescribeTimeToLiveOutput(TimeToLiveDescription=result)722    def update_time_to_live(723        self,724        context: RequestContext,725        table_name: TableName,726        time_to_live_specification: TimeToLiveSpecification,727    ) -> UpdateTimeToLiveOutput:728        # TODO: TTL status is maintained/mocked but no real expiry is happening for items729        backend = DynamoDBRegion.get()730        backend.ttl_specifications[table_name] = time_to_live_specification731        return UpdateTimeToLiveOutput(TimeToLiveSpecification=time_to_live_specification)732    def create_global_table(733        self, context: RequestContext, global_table_name: TableName, replication_group: ReplicaList734    ) -> CreateGlobalTableOutput:735        if global_table_name in DynamoDBRegion.GLOBAL_TABLES:736            raise GlobalTableAlreadyExistsException("Global table with this name already exists")737        replication_group = [grp.copy() for grp in replication_group or []]738        data = {"GlobalTableName": global_table_name, "ReplicationGroup": replication_group}739        DynamoDBRegion.GLOBAL_TABLES[global_table_name] = data740        for group in replication_group:741            group["ReplicaStatus"] = "ACTIVE"742            group["ReplicaStatusDescription"] = "Replica active"743        return CreateGlobalTableOutput(GlobalTableDescription=data)744    def describe_global_table(745        self, context: RequestContext, global_table_name: TableName746    ) -> DescribeGlobalTableOutput:747        details = DynamoDBRegion.GLOBAL_TABLES.get(global_table_name)748        if not details:749            raise GlobalTableNotFoundException("Global table with this name does not exist")750        return DescribeGlobalTableOutput(GlobalTableDescription=details)751    def list_global_tables(752        self,753        context: RequestContext,754        exclusive_start_global_table_name: TableName = None,755        limit: PositiveIntegerObject = None,756        region_name: RegionName = None,757    ) -> ListGlobalTablesOutput:758        # TODO: add paging support759        result = [760            select_attributes(tab, ["GlobalTableName", "ReplicationGroup"])761            for tab in DynamoDBRegion.GLOBAL_TABLES.values()762        ]763        return ListGlobalTablesOutput(GlobalTables=result)764    def update_global_table(765        self,766        context: RequestContext,767        global_table_name: TableName,768        replica_updates: ReplicaUpdateList,769    ) -> UpdateGlobalTableOutput:770        details = DynamoDBRegion.GLOBAL_TABLES.get(global_table_name)771        if not details:772            raise GlobalTableNotFoundException("Global table with this name does not exist")773        for update in replica_updates or []:774            repl_group = details["ReplicationGroup"]775            # delete existing776            delete = update.get("Delete")777            if delete:778                details["ReplicationGroup"] = [779                    g for g in repl_group if g["RegionName"] != delete["RegionName"]780                ]781            # create new782            create = update.get("Create")783            if create:784                exists = [g for g in repl_group if g["RegionName"] == create["RegionName"]]785                if exists:786                    continue787                new_group = {788                    "RegionName": create["RegionName"],789                    "ReplicaStatus": "ACTIVE",790                    "ReplicaStatusDescription": "Replica active",791                }792                details["ReplicationGroup"].append(new_group)793        return UpdateGlobalTableOutput(GlobalTableDescription=details)794    def enable_kinesis_streaming_destination(795        self, context: RequestContext, table_name: TableName, stream_arn: StreamArn796    ) -> KinesisStreamingDestinationOutput:797        # Check if table exists, to avoid error log output from DynamoDBLocal798        if not self.table_exists(table_name):799            raise ResourceNotFoundException("Cannot do operations on a non-existent table")800        stream = EventForwarder.is_kinesis_stream_exists(stream_arn=stream_arn)801        if not stream:802            raise ValidationException("User does not have a permission to use kinesis stream")803        table_def = DynamoDBRegion.get().table_definitions.setdefault(table_name, {})804        dest_status = table_def.get("KinesisDataStreamDestinationStatus")805        if dest_status not in ["DISABLED", "ENABLE_FAILED", None]:806            raise ValidationException(807                "Table is not in a valid state to enable Kinesis Streaming "808                "Destination:EnableKinesisStreamingDestination must be DISABLED or ENABLE_FAILED "809                "to perform ENABLE operation."810            )811        table_def["KinesisDataStreamDestinations"] = (812            table_def.get("KinesisDataStreamDestinations") or []813        )814        # remove the stream destination if already present815        table_def["KinesisDataStreamDestinations"] = [816            t for t in table_def["KinesisDataStreamDestinations"] if t["StreamArn"] != stream_arn817        ]818        # append the active stream destination at the end of the list819        table_def["KinesisDataStreamDestinations"].append(820            {821                "DestinationStatus": "ACTIVE",822                "DestinationStatusDescription": "Stream is active",823                "StreamArn": stream_arn,824            }825        )826        table_def["KinesisDataStreamDestinationStatus"] = "ACTIVE"827        return KinesisStreamingDestinationOutput(828            DestinationStatus="ACTIVE", StreamArn=stream_arn, TableName=table_name829        )830    def disable_kinesis_streaming_destination(831        self, context: RequestContext, table_name: TableName, stream_arn: StreamArn832    ) -> KinesisStreamingDestinationOutput:833        # Check if table exists, to avoid error log output from DynamoDBLocal834        if not self.table_exists(table_name):835            raise ResourceNotFoundException("Cannot do operations on a non-existent table")836        stream = EventForwarder.is_kinesis_stream_exists(stream_arn=stream_arn)837        if not stream:838            raise ValidationException(839                "User does not have a permission to use kinesis stream",840            )841        table_def = DynamoDBRegion.get().table_definitions.setdefault(table_name, {})842        stream_destinations = table_def.get("KinesisDataStreamDestinations")843        if stream_destinations:844            if table_def["KinesisDataStreamDestinationStatus"] == "ACTIVE":845                for dest in stream_destinations:846                    if dest["StreamArn"] == stream_arn and dest["DestinationStatus"] == "ACTIVE":847                        dest["DestinationStatus"] = "DISABLED"848                        dest["DestinationStatusDescription"] = ("Stream is disabled",)849                        table_def["KinesisDataStreamDestinationStatus"] = "DISABLED"850                        return KinesisStreamingDestinationOutput(851                            DestinationStatus="DISABLED",852                            StreamArn=stream_arn,853                            TableName=table_name,854                        )855        raise ValidationException(856            "Table is not in a valid state to disable Kinesis Streaming Destination:"857            "DisableKinesisStreamingDestination must be ACTIVE to perform DISABLE operation."858        )859    def describe_kinesis_streaming_destination(860        self, context: RequestContext, table_name: TableName861    ) -> DescribeKinesisStreamingDestinationOutput:862        # Check if table exists, to avoid error log output from DynamoDBLocal863        if not self.table_exists(table_name):864            raise ResourceNotFoundException("Cannot do operations on a non-existent table")865        table_def = DynamoDBRegion.get().table_definitions.get(table_name)866        stream_destinations = table_def.get("KinesisDataStreamDestinations") or []867        return DescribeKinesisStreamingDestinationOutput(868            KinesisDataStreamDestinations=stream_destinations, TableName=table_name869        )870    @staticmethod871    def table_exists(table_name):872        return aws_stack.dynamodb_table_exists(table_name)873    @staticmethod874    def prepare_request_headers(headers):875        def _replace(regex, replace):876            headers["Authorization"] = re.sub(877                regex, replace, headers.get("Authorization") or "", flags=re.IGNORECASE878            )879        # Note: We need to ensure that the same access key is used here for all requests,880        # otherwise DynamoDBLocal stores tables/items in separate namespaces881        _replace(r"Credential=[^/]+/", rf"Credential={constants.INTERNAL_AWS_ACCESS_KEY_ID}/")882        # Note: The NoSQL Workbench sends "localhost" or "local" as the region name, which we need to fix here883        _replace(884            r"Credential=([^/]+/[^/]+)/local(host)?/",885            rf"Credential=\1/{aws_stack.get_local_region()}/",886        )887    def fix_return_consumed_capacity(self, request_dict):888        # Fix incorrect values if ReturnValues==ALL_OLD and ReturnConsumedCapacity is889        # empty, see https://github.com/localstack/localstack/issues/2049890        return_values_all = (request_dict.get("ReturnValues") == "ALL_OLD") or (891            not request_dict.get("ReturnValues")892        )893        if return_values_all and not request_dict.get("ReturnConsumedCapacity"):894            request_dict["ReturnConsumedCapacity"] = "TOTAL"895    def fix_consumed_capacity(self, request: Dict, result: Dict):896        # make sure we append 'ConsumedCapacity', which is properly897        # returned by dynalite, but not by AWS's DynamoDBLocal898        table_name = request.get("TableName")899        return_cap = request.get("ReturnConsumedCapacity")900        if "ConsumedCapacity" not in result and return_cap in ["TOTAL", "INDEXES"]:901            request["ConsumedCapacity"] = {902                "TableName": table_name,903                "CapacityUnits": 5,  # TODO hardcoded904                "ReadCapacityUnits": 2,905                "WriteCapacityUnits": 3,906            }907    def fix_table_arn(self, table_arn: str) -> str:908        return re.sub(909            "arn:aws:dynamodb:ddblocal:",...
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