Function handler

polly/csharp/lambda_fns/polly.py:8–40

(event, context)

translate_c = boto3.client('translate')

def handler(event, context):
    try:
        voice = event["queryStringParameters"]["voice"]
    except KeyError:
        voice = 'Matthew'

    try:
        translate_from = event["queryStringParameters"]["translateFrom"]
    except KeyError:
        translate_from = 'en'

    try:
        translate_to = event["queryStringParameters"]["translateTo"]
    except KeyError:
        translate_to = 'en'
        
    try:
        text = event['body']
    except KeyError:
        text = 'To hear your own script, you need to include text in the message body of your restful request to the API Gateway'
        
    # Only perform a translation if the languages are different
    if translate_to != translate_from:
        text = translate_text(text, translate_from, translate_to)

    speech = convert_text_to_speech(voice, text)
    
    return {
        'statusCode': 200,
        'headers': { 'Content-Type': 'audio/mpeg' },
        'body': base64.b64encode(speech),
        'isBase64Encoded': True
    }

def translate_text(text, translate_from, translate_to):
    response = translate_c.translate_text(