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from zope.component.registry import Components
class Registry(Components, dict):
# for optimization purposes, if no listeners are listening, don't try
# to notify them
has_listeners = False
def reset(self):
self.__init__(self.__name__)
self.clear()
def registerSubscriptionAdapter(self, *arg, **kw):
result = Components.registerSubscriptionAdapter(self, *arg, **kw)
self.has_listeners = True
return result
def registerHandler(self, *arg, **kw):
result = Components.registerHandler(self, *arg, **kw)
self.has_listeners = True
return result
def notify(self, *events):
if self.has_listeners:
# iterating over subscribers assures they get executed
for ignored in self.subscribers(events, None):
""" """
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