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)