decodeStringToJSON function

[MagnusLii]

String decode function

Goal

The objective is to create a function that takes in a string from a MQTT message and tries to convert said string into a JSON object. The function should not modify the original string.

Arguments

• MQTT message string: The string extracted from the MQTT message.

Returns

• JSON object or "-1": If successful, the function returns the parsed JSON object. If the conversion fails for any reason, it returns "-1".

  Name of function

  decodeStringToJSON

[MagnusLii]

def decodeStringToJSON(json_string):
    try:
        decodedMessage = json.loads(json_string)
        print('JSON test passed.')
        return decodedMessage
    except json.decoder.JSONDecodeError as error:
        print(f'JSON test failed. Error: {error}')
        return -1