em-shea’s gists

em-shea / test_translate_function_4.py

Last active June 25, 2021 09:04

	# Mock S3 new file uploaded event
	def s3_upload_event(self, file_name):

	return {
	"Records":[
	{
	"eventVersion":"2.1",
	"eventSource":"aws:s3",
	"awsRegion":"us-east-1",
	"eventTime":"2021-06-18T16:03:17.567Z",

em-shea / translate_file.py

Created June 25, 2021 09:06

	import os
	import boto3

	# Explicitly specifying where the default AWS region is found
	# (as an environment variable) to be able to mock it in the test
	s3_client = boto3.client('s3', region_name=os.environ['AWS_REGION'])
	translate_client = boto3.client('translate', region_name=os.environ['AWS_REGION'])

	def lambda_handler(event, context):
	print(event)

em-shea / example_user_service.py

Created January 16, 2022 19:25

An example of a user service querying DynamoDB and formatting the response

	import os
	import boto3
	import datetime
	from typing import List, Dict
	from dataclasses import dataclass
	from boto3.dynamodb.conditions import Key

	@dataclass
	class Subscription:
	list_name: str

em-shea / export_dynamodb_data_script.py

Last active July 3, 2022 16:17

Example script to export DynamoDB table data

	import json
	import boto3

	# Specify your table name and the region your table is in
	export_table_name = "ExportDataTable"
	dynamodb = boto3.resource('dynamodb', region_name='us-east-1')
	table = dynamodb.Table(export_table_name)

	def export_table_data():
	print(f"Exporting data from {export_table_name}")

em-shea / import_dynamodb_data_script.py

Last active July 3, 2022 16:25

Example script to import DynamoDB table data

	import json
	import boto3

	# Specify your existing (export) and new (import) table names and the region your tables are in
	export_table_name = "ExportDataTable"
	import_table_name = "ImportDataTable"
	dynamodb = boto3.resource('dynamodb', region_name='us-east-1')
	table = dynamodb.Table(import_table_name)

	def import_table_data():

em-shea / daily-vocab-app-table-design.json

Created January 29, 2022 14:57

Example of DynamoDB single table design for a daily vocabapp (NoSQL Workbench json)

em-shea / dynamodb_migration_sam.yaml

Last active September 21, 2022 14:26

	AWSTemplateFormatVersion: '2010-09-09'
	Transform: 'AWS::Serverless-2016-10-31'
	Description: An example deployment for migrating data between DynamoDB tables

	Resources:
	ExistingTable:
	Type: AWS::DynamoDB::Table
	DeletionPolicy: Retain
	Properties:
	TableName: ExportDataTable

em-shea / audio-workflow-asl-definition.json

Created May 3, 2023 03:27

ASL definition for audio generation workflow

	{
	"Comment": "Generates and save audio files for a given list ID.",
	"StartAt": "Get word list",
	"States": {
	"Get word list": {
	"Type": "Task",
	"Resource": "arn:aws:states:::lambda:invoke",
	"OutputPath": "$.Payload",
	"Parameters": {
	"Payload": {

em-shea / generate_audio_state_machine.yaml

Last active May 3, 2023 18:13

SAM definition for audio generation workflow

	GenerateAudioStateMachine:
	Type: AWS::Serverless::StateMachine
	Properties:
	Name: !Sub GenerateAudioStateMachine-${Stage}
	DefinitionUri: src/generate_audio_state_machine.asl.json
	DefinitionSubstitutions:
	TableName: !Ref DynamoDBTable
	GetWordsForListIdFunction: !Ref GetWordsForListId
	PronunciationAudioBucket: !Ref PronunciationAudioBucket
	Policies:

em-shea / get_words_for_list_id.py

Last active May 3, 2023 17:37

Get words for a given list ID function

	# Given a list id, retrieve an array with word ids and simplified characters for that list
	# This function is part of a state machine that generates pronunciation audio files for a given list
	import list_word_service

	def lambda_handler(event, context):
	list_id = event['list_id']
	last_word_token = event['last_word_token']

	# Call to list_word_service, a shared service in the application
	# for querying DynamoDB for words by list ID