def __delitem__(self, key):
key = str(key)
old_value = accessors.getitem(objects.itemsof(self), key, None)
if old_value is not None:
old_value.data_changed.unsubscribe(_notify)
accessors.delitem(objects.itemsof(self), key)
def touch_release(self, value):
accessors.delitem(self._touches, value.identifier)
def key_release(self, value):
accessors.delitem(self._keys, value.identifier)
def remove_mark(self, key):
accessors.delitem(self.marks, key)
def remove_axis(self, key):
accessors.delitem(self.axes, key)
def data(self):
accessors.delitem(objects.attrsof(self), "data")
self.data_changed(self, (), None)
