[Twisted-Python] why insecureJelly

[Stephan Popp]

On Friday 29 July 2005 10:46, Stephan Popp wrote:
> Hi,
> I want to send objects accross the network and all I get is insecure Jelly.
> My application looks like this:
> -folder structure:
> -dispyte
> --common
> --GACrysVUn
> --baseclasses
>
> in common is the declaration of the object which should be send:
>
> from dispyte.baseclasses import Task #thats the abstract baseclass
> from twisted.spread import pb
>
> class SimpleTask(Task.Task, pb.Copyable, pb.RemoteCopy):
> 	def __init__(self):
> 		...
>
> pb.setUnjellyableForClass(SimpleTask, SimpleTask)
>
> these objects are created by a instance of a class located in GACrysVUn:
>
> from dispyte.baseclasses import Producer
> from dispyte.common import SimpleTask
>
> class GACrysVUnProducer(Producer.Producer):
>
> 	def foo():  #just as examlpe of the structure
> 		task = SimpleTask.SimpleTask()
>
> the task-object is given to another class instance lockated in common:
> here the task object is send:
>
> ...
> 	factory = pb.PBClientFactory()
>         reactor.connectTCP(parameters[0], parameters[1], factory)
> 	def0 = factory.getRootObject()
> 	...
>         def2 = self.root.callRemote("fitness", task, self.taskDescription,
> self.ID)
>         def2.addCallback(self.callback)
>         def2.addErrback(self.errback, task, self)
>
> the server looks like:
>
> from twisted.spread import pb
> from twisted.internet import reactor,threads
> from dispyte.common import SimpleTask
> from dispyte.common import ScriptedTaskDescription
> import sys
> class ServerObject(pb.Root):
>
> 	...
>
>     def remote_fitness(self, task, taskDescription, serverID):
>         """
>         calls calc in seperate thread and return a deferred
>         """
>         self.ID = serverID
>         print "ServerObject::remote_fitness ..."
>         return threads.deferToThread(self.calc,task,serverID,
> taskDescription)
>
> 	...
>
> if __name__ == '__main__':
>     factory = pb.PBServerFactory(ServerObject(sys.argv[1]))
>     reactor.listenTCP(eval(sys.argv[1]), factory)
>     reactor.run()
>
> I can't figure out, why insecureJelly is raised here. Can anyone help me?
> And: Is there a possibility to turn off this feature, so that a server
> takes objects no matter what class?
>
> Thanks in advance.
>
> Stephan

PS: the error message is (from failue.getErrorMessage()):
Module dispyte.common.SimpleTask not allowed 
(in type dispyte.common.SimpleTask.SimpleTask)