#---------------------------------------------------------------------------
from core.datamsg import Message
#---------------------------------------------------------------------------
def setupForTesting():
"""This is used only by testing modules. Use at your own risk ;)"""
global TopicTreeRoot, TopicTreeNode, paramMinCount, setDeadCallback
TopicTreeRoot = _TopicTreeRoot
TopicTreeNode = _TopicTreeNode
paramMinCount = _paramMinCount
def _setDeadCallback(newCallback):
"""When a message is sent via sendMessage(), the listener is tested
for "livelyhood" (ie there must be at least one place in your code
that is still referring to it). If it is dead, newCallback will be
called as newCallback(weakref), where weakref is the weak reference
object created for the listener when the listener subscribed.
This is useful primarily for testing."""
_NodeCallback.preNotify = newCallback
setDeadCallback = _setDeadCallback
#---------------------------------------------------------------------------
import pubsubconf
pubsubconf.pubModuleLoaded()
del pubsubconf
message of type 'cls.childA.subChildB' is sent, listeners of
type cls.childA and of type cls get it too. '''
# parent:
if parents:
cls._parentClass = parents[-1]
lineage = parents[:] + [cls]
cls._type = '.'.join(item.__name__ for item in lineage)
if _log:
_log('%s will chain up to %s\n' %
(cls._type, cls._parentClass.getType()))
else:
cls._parentClass = None
lineage = [cls]
cls._type = cls.__name__
if _log:
_log('%s is at root (top) of messaging tree\n' % cls._type)
# go down into children:
cls._childrenClasses = []
for childName, child in vars(cls).iteritems():
if (not childName.startswith('_')) and issubclass(child, Message):
cls._childrenClasses.append(child)
child._setupChaining(lineage)
#---------------------------------------------------------------------------
import pubsubconf
pubsubconf.pubModuleLoaded()
del pubsubconf