2018-02-23 Serverless computing handle.py

handle.py

def handle(event, context):
    # initialise DynamoDB client
    dynamodb = boto3.client('dynamodb', 'eu-west-2')

    # perform API call
    response = requests.get("http://api.fixer.io/latest?base=GBP")

    # handle bad responses
    if response.status_code == 200:
        logger.info("Request to Fixer successful")
    else:
        logger.info("Response status code {}".format(response.status_code))
        return {"success": False, "status_code": response.status_code}

    # format JSON response into format required by DynamoDB
    response_json = reformat_json(response.json())

    # put item into DynamoDB table
    dynamodb.put_item(TableName="exchange-rates-table",
                      Item=response_json)

    # return successful response
    return {"success": True, "status_code": response.status_code}