2018-02-23 Serverless computing reformat_json.py

reformat_json.py

def reformat_json(response):
    # rearrange the response to not be nested
    # i.e. {"rates": {"EUR": 1.2}} -> {"EUR": 1.2}
    rates = response.pop("rates")
    response.update(rates)

    # update response to DynamoDB's required format
    response_updated = {}
    for key, val in response.items():
        # date and base fields are strings (DynamoDB has no date type) whereas everything else is a
        # number
        if key == "date" or key == "base":
            val_type = "S"
        else:
            val_type = "N"
            val = str(val)
        response_updated[key] = {val_type: val}

    return response_updated