def insertItem(cls, type=''):
if type:
type = getBehavior(type).name
oid = uuid.uuid1().hex
item = Item(oid, type)
session = getSession()
session.add(item)
if type:
item.applyBehavior(type)
session.flush()
return Item.getItem(oid)
def applyBehavior(self, *args):
for behavior in args:
if hasattr(self, '_v__providedBy'):
del self._v__providedBy
behavior = getBehavior(behavior)
behavior.apply(self)
notify(BehaviorAppliedEvent(self, behavior.name, behavior.spec))
if hasattr(self, '_v__providedBy'):
del self._v__providedBy
if self._v_behaviors is not None:
del self._v_behaviors
def removeBehavior(self, *args):
for behavior in args:
if hasattr(self, '_v__providedBy'):
del self._v__providedBy
behavior = getBehavior(behavior)
if behavior.name == self.type:
raise BehaviorException("Can't remove primary behavior.")
behavior.remove(self)
notify(BehaviorRemovedEvent(self, behavior.name, behavior.spec))
if hasattr(self, '_v__providedBy'):
del self._v__providedBy
if self._v_behaviors is not None:
del self._v_behaviors
def listItems(cls, type):
return getSession().query(Item).filter(
Item.type == getBehavior(type).name)
