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Merge pull request #2694 from vaidehip86/vaidehp-feature-ApiGateway-Transcribe-python-cdk
New serverless pattern- API Gateway Translate integration in python CDK
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‎apigw-translate-python-cdk/README.md

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# Amazon API Gateway to Amazon Translate
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This pattern creates a REST API Gateway that can perform POST API Call to Amazon Translate's TranslateText API
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Learn more about this pattern at Serverless Land Patterns: << Add the live URL here >>
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Important: this application uses various AWS services and there are costs associated with these services after the Free Tier usage - please see the [AWS Pricing page](https://aws.amazon.com/pricing/) for details. You are responsible for any AWS costs incurred. No warranty is implied in this example.
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## Requirements
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* [Create an AWS account](https://portal.aws.amazon.com/gp/aws/developer/registration/index.html) if you do not already have one and log in. The IAM user that you use must have sufficient permissions to make necessary AWS service calls and manage AWS resources.
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* [AWS CLI](https://docs.aws.amazon.com/cli/latest/userguide/install-cliv2.html) installed and configured
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* [Git Installed](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git)
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* [Node and NPM](https://nodejs.org/en/download/) installed
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* [AWS Cloud Development Kit](https://docs.aws.amazon.com/cdk/v2/guide/cli.html) (AWS CDK) installed
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## Deployment Instructions
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1. Create a new directory, navigate to that directory in a terminal and clone the GitHub repository:
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```
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git clone https://github.com/aws-samples/serverless-patterns
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```
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2. Change directory to the pattern directory:
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```
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cd apigw-translate-python-cdk
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```
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3. Create a virtual environment for Python:
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```
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python3 -m venv .venv
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```
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4. Activate the virtual environment:
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```
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source .venv/bin/activate
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```
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For a Windows platform, activate the virtualenv like this:
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```
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.venv\Scripts\activate.bat
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```
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5. Install the required Python dependencies:
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```
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pip install -r requirements.txt
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```
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6. Bootstrap the AWS environment, if you haven't already done so:
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```
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cdk bootstrap
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```
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7. Review the CloudFormation template AWS CDK generates for the stack:
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```
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cdk synth
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```
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8. Deploy the AWS resources:
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```
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cdk deploy
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```
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9. Note the outputs from the CDK deployment process. These contain the resource names and/or ARNs which are used for testing.
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The deployment will create a REST API Gateway.
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## How it works
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This pattern deploys an Amazon API Gateway REST API with a /translate endpoint integrated with Amazon Translate’s TranslateText API. The service processes the provided text and language codes in the request body, returning the translated text or an error response if the specified language code is unsupported.
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## Testing
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Once the application is deployed, either use a curl or call the endpoint from Postman.
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Example POST Request to translate text to Spanish:
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```
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curl -X POST "https://YOUR_API_ID.execute-api.YOUR_AWS_REGION.amazonaws.com/Prod/translate" -H "Content-Type: application/json" -d '{"text": "Hello, world!", "sourceLanguageCode": "en", "targetLanguageCode": "es"}'
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```
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Response:
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```
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{"SourceLanguageCode":"en","TargetLanguageCode":"es","TranslatedText":"¡Hola, mundo!"}
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```
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## Cleanup
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To clean up the resources created as part of this demonstration, run the command `cdk destroy` in the directory `apigw-translate-python-cdk`. In addition, users are advised to terminate the Cloud9 EC2 instance to avoid any unexpected charges.

‎apigw-translate-python-cdk/apigw-translate-python-cdk.json

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{
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"title": "Amazon API Gateway to Amazon Translate",
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"description": "Create a REST API Gateway that can perform POST API Call to Amazon Translate's TranslateText API",
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"language": "Python",
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"level": "200",
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"framework": "CDK",
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"introBox": {
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"headline": "How it works",
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"text": [
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"This CDK Pattern creates a REST API Gateway. The API Gateway endpoint uses service integration to directly connect to Amazon Translate."
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]
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},
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"gitHub": {
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"template": {
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"repoURL": "https://github.com/aws-samples/serverless-patterns/tree/main/apigw-translate-python-cdk",
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"templateURL": "serverless-patterns/apigw-translate-python-cdk",
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"projectFolder": "apigw-translate-python-cdk",
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"templateFile": "translate_api/translate_api_stack.py"
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}
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},
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"resources": {
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"bullets": [
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{
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"text": "Amazon Translate API Actions List",
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"link": "https://docs.aws.amazon.com/translate/latest/APIReference/API_TranslateText.html"
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}
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]
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},
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"deploy": {
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"text": [
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"cdk deploy"
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]
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},
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"testing": {
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"text": [
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"See the GitHub repo for detailed testing instructions."
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]
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},
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"cleanup": {
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"text": [
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"Delete the stack: <code>cdk destroy</code>."
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]
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},
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"authors": [
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{
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"name": "Vaidehi Patel",
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"image": "https://avatars.githubusercontent.com/u/23283229?v=4",
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"bio": "I'm a Solutions Architect at Amazon Web Services based in Dallas,TX. I'm a serverless enthusiast, I like to build and architect serverless applications",
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"linkedin": "vaidehi-patel08"
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}
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],
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"patternArch": {
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"icon1": {
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"x": 20,
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"y": 50,
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"service": "apigw",
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"label": "API Gateway REST API"
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},
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"icon2": {
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"x": 80,
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"y": 50,
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"service": "translate",
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"label": "Amazon Translate"
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},
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"line1": {
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"from": "icon1",
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"to": "icon2",
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"label": ""
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}
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}
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}

‎apigw-translate-python-cdk/app.py

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#!/usr/bin/env python3
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import aws_cdk as cdk
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from translate_api.translate_api_stack import TranslateApiStack
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app = cdk.App()
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TranslateApiStack(app, "TranslateApiStack")
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app.synth()

‎apigw-translate-python-cdk/cdk.json

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{
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"app": "python3 app.py",
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"watch": {
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"include": [
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"**"
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],
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"exclude": [
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"README.md",
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"cdk*.json",
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"requirements*.txt",
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"source.bat",
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"**/__init__.py",
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"**/__pycache__",
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"tests"
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]
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},
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"context": {
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"@aws-cdk/aws-lambda:recognizeLayerVersion": true,
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"@aws-cdk/core:checkSecretUsage": true,
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"@aws-cdk/core:target-partitions": [
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"aws",
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"aws-cn"
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],
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"@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
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"@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
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"@aws-cdk/aws-ecs:arnFormatIncludesClusterName": true,
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"@aws-cdk/aws-iam:minimizePolicies": true,
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"@aws-cdk/core:validateSnapshotRemovalPolicy": true,
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"@aws-cdk/aws-codepipeline:crossAccountKeyAliasStackSafeResourceName": true,
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"@aws-cdk/aws-s3:createDefaultLoggingPolicy": true,
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"@aws-cdk/aws-sns-subscriptions:restrictSqsDescryption": true,
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"@aws-cdk/aws-apigateway:disableCloudWatchRole": true,
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"@aws-cdk/core:enablePartitionLiterals": true,
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"@aws-cdk/aws-events:eventsTargetQueueSameAccount": true,
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"@aws-cdk/aws-ecs:disableExplicitDeploymentControllerForCircuitBreaker": true,
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"@aws-cdk/aws-iam:importedRoleStackSafeDefaultPolicyName": true,
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"@aws-cdk/aws-s3:serverAccessLogsUseBucketPolicy": true,
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"@aws-cdk/aws-route53-patters:useCertificate": true,
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"@aws-cdk/customresources:installLatestAwsSdkDefault": false,
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"@aws-cdk/aws-rds:databaseProxyUniqueResourceName": true,
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"@aws-cdk/aws-codedeploy:removeAlarmsFromDeploymentGroup": true,
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"@aws-cdk/aws-apigateway:authorizerChangeDeploymentLogicalId": true,
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"@aws-cdk/aws-ec2:launchTemplateDefaultUserData": true,
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"@aws-cdk/aws-secretsmanager:useAttachedSecretResourcePolicyForSecretTargetAttachments": true,
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"@aws-cdk/aws-redshift:columnId": true,
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"@aws-cdk/aws-stepfunctions-tasks:enableEmrServicePolicyV2": true,
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"@aws-cdk/aws-ec2:restrictDefaultSecurityGroup": true,
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"@aws-cdk/aws-apigateway:requestValidatorUniqueId": true,
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"@aws-cdk/aws-kms:aliasNameRef": true,
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"@aws-cdk/aws-autoscaling:generateLaunchTemplateInsteadOfLaunchConfig": true,
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"@aws-cdk/core:includePrefixInUniqueNameGeneration": true,
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"@aws-cdk/aws-efs:denyAnonymousAccess": true,
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"@aws-cdk/aws-opensearchservice:enableOpensearchMultiAzWithStandby": true,
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"@aws-cdk/aws-lambda-nodejs:useLatestRuntimeVersion": true,
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"@aws-cdk/aws-efs:mountTargetOrderInsensitiveLogicalId": true,
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"@aws-cdk/aws-rds:auroraClusterChangeScopeOfInstanceParameterGroupWithEachParameters": true,
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"@aws-cdk/aws-appsync:useArnForSourceApiAssociationIdentifier": true,
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"@aws-cdk/aws-rds:preventRenderingDeprecatedCredentials": true,
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"@aws-cdk/aws-codepipeline-actions:useNewDefaultBranchForCodeCommitSource": true,
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"@aws-cdk/aws-cloudwatch-actions:changeLambdaPermissionLogicalIdForLambdaAction": true,
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"@aws-cdk/aws-codepipeline:crossAccountKeysDefaultValueToFalse": true,
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"@aws-cdk/aws-codepipeline:defaultPipelineTypeToV2": true,
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"@aws-cdk/aws-kms:reduceCrossAccountRegionPolicyScope": true,
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"@aws-cdk/aws-eks:nodegroupNameAttribute": true,
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"@aws-cdk/aws-ec2:ebsDefaultGp3Volume": true,
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"@aws-cdk/aws-ecs:removeDefaultDeploymentAlarm": true,
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"@aws-cdk/custom-resources:logApiResponseDataPropertyTrueDefault": false,
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"@aws-cdk/aws-s3:keepNotificationInImportedBucket": false,
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"@aws-cdk/aws-ecs:enableImdsBlockingDeprecatedFeature": false,
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"@aws-cdk/aws-ecs:disableEcsImdsBlocking": true,
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"@aws-cdk/aws-ecs:reduceEc2FargateCloudWatchPermissions": true,
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"@aws-cdk/aws-dynamodb:resourcePolicyPerReplica": true,
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"@aws-cdk/aws-ec2:ec2SumTImeoutEnabled": true,
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"@aws-cdk/aws-appsync:appSyncGraphQLAPIScopeLambdaPermission": true,
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"@aws-cdk/aws-rds:setCorrectValueForDatabaseInstanceReadReplicaInstanceResourceId": true,
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"@aws-cdk/core:cfnIncludeRejectComplexResourceUpdateCreatePolicyIntrinsics": true,
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"@aws-cdk/aws-lambda-nodejs:sdkV3ExcludeSmithyPackages": true,
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"@aws-cdk/aws-stepfunctions-tasks:fixRunEcsTaskPolicy": true,
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"@aws-cdk/aws-ec2:bastionHostUseAmazonLinux2023ByDefault": true,
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"@aws-cdk/aws-route53-targets:userPoolDomainNameMethodWithoutCustomResource": true,
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"@aws-cdk/aws-elasticloadbalancingV2:albDualstackWithoutPublicIpv4SecurityGroupRulesDefault": true,
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"@aws-cdk/aws-iam:oidcRejectUnauthorizedConnections": true,
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"@aws-cdk/core:enableAdditionalMetadataCollection": true,
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"@aws-cdk/aws-lambda:createNewPoliciesWithAddToRolePolicy": true
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}
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}

‎apigw-translate-python-cdk/example-pattern.json

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{
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"title": "Amazon API Gateway to Amazon Translate",
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"description": "Create a REST API Gateway that can perform POST API Call to Amazon Translate's TranslateText API",
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"language": "Python",
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"level": "200",
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"framework": "AWS CDK",
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"introBox": {
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"headline": "How it works",
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"text": [
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"This CDK Pattern creates a REST API Gateway. The API Gateway endpoint uses service integration to directly connect to Amazon Translate."
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]
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},
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"gitHub": {
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"template": {
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"repoURL": "https://github.com/aws-samples/serverless-patterns/tree/main/apigw-translate-python-cdk",
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"templateURL": "serverless-patterns/apigw-translate-python-cdk",
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"projectFolder": "apigw-translate-python-cdk",
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"templateFile": "apigw-translate-python-cdk/translate_api/translate_api_stack.py"
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}
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},
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"resources": {
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"bullets": [
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{
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"text": "Amazon Translate API Actions List",
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"link": "https://docs.aws.amazon.com/translate/latest/APIReference/API_TranslateText.html"
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}
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]
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},
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"deploy": {
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"text": [
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"cdk deploy"
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]
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},
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"testing": {
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"text": [
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"See the GitHub repo for detailed testing instructions."
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]
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},
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"cleanup": {
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"text": [
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"Delete the stack: <code>cdk destroy</code>."
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]
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},
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"authors": [
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{
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"name": "Vaidehi Patel",
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"image": "https://avatars.githubusercontent.com/u/23283229?v=4",
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"bio": "I'm a Solutions Architect at Amazon Web Services based in Dallas,TX. I'm a serverless enthusiast, I like to build and architect serverless applications",
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"linkedin": "https://www.linkedin.com/in/vaidehi-patel08/"
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}
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]
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}

‎apigw-translate-python-cdk/requirements.txt

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aws-cdk-lib>=2.0.0
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constructs>=10.0.0,<11.0.0

‎apigw-translate-python-cdk/source.bat

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@echo off
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rem The sole purpose of this script is to make the command
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rem
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rem source .venv/bin/activate
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rem
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rem (which activates a Python virtualenv on Linux or Mac OS X) work on Windows.
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rem On Windows, this command just runs this batch file (the argument is ignored).
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rem
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rem Now we don't need to document a Windows command for activating a virtualenv.
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echo Executing .venv\Scripts\activate.bat for you
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.venv\Scripts\activate.bat

‎apigw-translate-python-cdk/translate_api/__init__.py

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‎apigw-translate-python-cdk/translate_api/__pycache__/__init__.cpython-39.pyc

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‎apigw-translate-python-cdk/translate_api/__pycache__/translate_api_stack.cpython-39.pyc

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