from enum import Enum

DataObjectType = Enum('DataObjectType','file directory')

class DataObject(object):

def __init__(self, data_object_type):

self.data_object_type = data_object_type

def is_file(self):

'''Returns whether object is a file'''

return self.data_object_type is DataObjectType.file

def is_dir(self):

'''Returns whether object is a directory'''

return self.data_object_type is DataObjectType.directory

def get_type(self):

'''Returns type of this DataObject'''

return self.data_object_type

def set_attributes(self):

'''Sets attributes about the directory after querying the Data API'''

raise NotImplementedError