def __init__(self, dict_values=None):
    self.source = None
    self.title = None
    self.kind = None
    self.type = None
    self.package = None
    self.format = None
    self.page = None
    self.object_id = None
    if dict_values:
        self.set_attributes(dict_values)
        self.assert_type()
def __init__(self, dict_values=None):
    self.source = None
    self.title = None
    self.kind = None
    self.type = None
    self.package = None
    self.format = None
    self.page = None
    self.object_id = None
    if dict_values:
        self.set_attributes(dict_values)
        self.assert_type()