Services 2

from twisted.internet import app

class FooService(app.ApplicationService):
    def startService(self):
        # do startup stuff
    def stopService(self):
        # do shutdown stuff
    def foobrizate(self):
        # business logic!

application = app.Application('foobnator')
svc = FooService('foo', application)
application.getServiceNamed('foo') is svc # True