class User():

    def __init__(id):
        self.__id = id

        [URL Request to call API and get everything using the ID (JSON)]

        self.__personaname = [JSON response personaname]
    self.__lastlogoff = [JSON response personaname]
    [...]

    def get_id():
    return __id

    def get_personaname():
    return __personaname

    [...]