Salve Amazon Bedrock - Amazon Bedrock

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Salve Amazon Bedrock

I seguenti esempi di codice mostrano come iniziare a usare Amazon Bedrock.

.NET
AWS SDK for .NET
Nota

C'è altro su. GitHub Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

using Amazon; using Amazon.Bedrock; using Amazon.Bedrock.Model; namespace ListFoundationModelsExample { /// <summary> /// This example shows how to list foundation models. /// </summary> internal class HelloBedrock { /// <summary> /// Main method to call the ListFoundationModelsAsync method. /// </summary> /// <param name="args"> The command line arguments. </param> static async Task Main(string[] args) { // Specify a region endpoint where Amazon Bedrock is available. For a list of supported region see https://docs.aws.amazon.com/bedrock/latest/userguide/what-is-bedrock.html#bedrock-regions AmazonBedrockClient bedrockClient = new(RegionEndpoint.USWest2); await ListFoundationModelsAsync(bedrockClient); } /// <summary> /// List foundation models. /// </summary> /// <param name="bedrockClient"> The Amazon Bedrock client. </param> private static async Task ListFoundationModelsAsync(AmazonBedrockClient bedrockClient) { Console.WriteLine("List foundation models with no filter"); try { ListFoundationModelsResponse response = await bedrockClient.ListFoundationModelsAsync(new ListFoundationModelsRequest() { }); if (response?.HttpStatusCode == System.Net.HttpStatusCode.OK) { foreach (var fm in response.ModelSummaries) { WriteToConsole(fm); } } else { Console.WriteLine("Something wrong happened"); } } catch (AmazonBedrockException e) { Console.WriteLine(e.Message); } } /// <summary> /// Write the foundation model summary to console. /// </summary> /// <param name="foundationModel"> The foundation model summary to write to console. </param> private static void WriteToConsole(FoundationModelSummary foundationModel) { Console.WriteLine($"{foundationModel.ModelId}, Customization: {String.Join(", ", foundationModel.CustomizationsSupported)}, Stream: {foundationModel.ResponseStreamingSupported}, Input: {String.Join(", ", foundationModel.InputModalities)}, Output: {String.Join(", ", foundationModel.OutputModalities)}"); } } }
Go
SDK per Go V2
Nota

C'è di più su GitHub. Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

package main import ( "context" "fmt" "github.com/aws/aws-sdk-go-v2/config" "github.com/aws/aws-sdk-go-v2/service/bedrock" ) const region = "us-east-1" // main uses the AWS SDK for Go (v2) to create an Amazon Bedrock client and // list the available foundation models in your account and the chosen region. // This example uses the default settings specified in your shared credentials // and config files. func main() { ctx := context.Background() sdkConfig, err := config.LoadDefaultConfig(ctx, config.WithRegion(region)) if err != nil { fmt.Println("Couldn't load default configuration. Have you set up your AWS account?") fmt.Println(err) return } bedrockClient := bedrock.NewFromConfig(sdkConfig) result, err := bedrockClient.ListFoundationModels(ctx, &bedrock.ListFoundationModelsInput{}) if err != nil { fmt.Printf("Couldn't list foundation models. Here's why: %v\n", err) return } if len(result.ModelSummaries) == 0 { fmt.Println("There are no foundation models.") } for _, modelSummary := range result.ModelSummaries { fmt.Println(*modelSummary.ModelId) } }
JavaScript
SDK per JavaScript (v3)
Nota

C'è altro da fare. GitHub Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

import { fileURLToPath } from "node:url"; import { BedrockClient, ListFoundationModelsCommand, } from "@aws-sdk/client-bedrock"; const REGION = "us-east-1"; const client = new BedrockClient({ region: REGION }); export const main = async () => { const command = new ListFoundationModelsCommand({}); const response = await client.send(command); const models = response.modelSummaries; console.log("Listing the available Bedrock foundation models:"); for (const model of models) { console.log("=".repeat(42)); console.log(` Model: ${model.modelId}`); console.log("-".repeat(42)); console.log(` Name: ${model.modelName}`); console.log(` Provider: ${model.providerName}`); console.log(` Model ARN: ${model.modelArn}`); console.log(` Input modalities: ${model.inputModalities}`); console.log(` Output modalities: ${model.outputModalities}`); console.log(` Supported customizations: ${model.customizationsSupported}`); console.log(` Supported inference types: ${model.inferenceTypesSupported}`); console.log(` Lifecycle status: ${model.modelLifecycle.status}`); console.log(`${"=".repeat(42)}\n`); } const active = models.filter( (m) => m.modelLifecycle.status === "ACTIVE", ).length; const legacy = models.filter( (m) => m.modelLifecycle.status === "LEGACY", ).length; console.log( `There are ${active} active and ${legacy} legacy foundation models in ${REGION}.`, ); return response; }; // Invoke main function if this file was run directly. if (process.argv[1] === fileURLToPath(import.meta.url)) { await main(); }
  • Per i dettagli sull'API, consulta la ListFoundationModelssezione AWS SDK for JavaScript API Reference.

Python
SDK per Python (Boto3)
Nota

C'è di più su GitHub. Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

""" Lists the available Amazon Bedrock models. """ import logging import json import boto3 from botocore.exceptions import ClientError logging.basicConfig(level=logging.INFO) logger = logging.getLogger(__name__) def list_foundation_models(bedrock_client): """ Gets a list of available Amazon Bedrock foundation models. :return: The list of available bedrock foundation models. """ try: response = bedrock_client.list_foundation_models() models = response["modelSummaries"] logger.info("Got %s foundation models.", len(models)) return models except ClientError: logger.error("Couldn't list foundation models.") raise def main(): """Entry point for the example. Uses the AWS SDK for Python (Boto3) to create an Amazon Bedrock client. Then lists the available Bedrock models in the region set in the callers profile and credentials. """ bedrock_client = boto3.client(service_name="bedrock") fm_models = list_foundation_models(bedrock_client) for model in fm_models: print(f"Model: {model['modelName']}") print(json.dumps(model, indent=2)) print("---------------------------\n") logger.info("Done.") if __name__ == "__main__": main()

Per un elenco completo delle guide per sviluppatori AWS SDK e degli esempi di codice, consulta. Utilizzo di Amazon Bedrock con un AWS SDK Questo argomento include anche informazioni su come iniziare e dettagli sulle versioni precedenti dell'SDK.