from twisted.python import log

class DummyObserver(object):
    def __init__(self):
        self.e=[]    

    def start(self):
        log.addObserver(self.emit)

    def stop(self):
        log.removeObserver(self.emit)
    
    def emit(self, eventDict):
        self.e.append(eventDict)

class DummyPool():
    def run(self, f,*a,**k):
        return f(*a,**k)