def __init__(self, type_id, **kwargs):
# TypeID of item this holder is supposed to wrap
self._type_id = type_id
# Special dictionary subclass that holds modified attributes
# and data related to their calculation
self.attributes = MutableAttributeMap(self)
# Which fit this holder is bound to
self.__fit = None
# Which type this holder wraps. Use null source item by default,
# as holder doesn't have fit with source yet
self.item = NullSourceItem
super().__init__(**kwargs)
def __init__(self, type_):
self.__fit = None
self.item = type_
self.attributes = MutableAttributeMap(self)
self.__state = State.offline
