def fire(self, *events):
'''
run calls bound to `events` **NOW**
@param events: event labels
'''
try:
# clear scratch queue
self._sclear()
# queue global and local bound callables
self._sxtend(self._events(*events))
# run event call chain until scratch queue is exhausted
self.outextend(c() for c in iterexcept(
self._scratch.popleft, IndexError,
))
finally:
# clear scratch queue
self._sclear()
return self
def commit(self):
'''consume call chain until exhausted'''
self.outextend(c() for c in iterexcept(self._cpopleft, IndexError))
return self
