Hi, I'm using Zope2 and am trying to get Persistence working for the first time by creating an object store. I'm using the documentation: http://www.zope.org/Documentation/Reference/ObjectPublishingIntro which has a chunk of code to do a very basic store on a Person. I've tried this code both within and without Zope with no success. I'm wondering whether 1. The code (appended) doesn't work for Zope2? When ExternalMethod->Add'ed into Zope, I get: Zope Error Zope has encountered an error while publishing this resource. exceptions.AttributeError Sorry, a Zope error occurred. When run outside Zope, I get: //D/Zope.W32/Extensions:-) python Person.py Traceback (innermost last): File "Person.py", line 14, in ? object_store = BoboPOS.PickleDictionary("people_store.db") File "D:\Zope-2.0.0a4-src\lib\python\BoboPOS\PickleDictionary.py", line 162, i n __init__ jar=PickleJar.PickleJar(db,cache_size,cache_age=cache_age) File "D:\Zope-2.0.0a4-src\lib\python\BoboPOS\PickleJar.py", line 120, in __ini t__ cache=self.cache=PickleCache(cache_size,cache_age) AttributeError: 'int' object has no attribute 'setklassstate' Is there some new code which works in Zope2 to get persistence? 2. My Zope2 installation is somehow broken? I would really appreciate some help on this (I thought) basic issue as it's a show-stopper for what I'm doing. I didn't expect to have this problem since it seem(ed) so well documented and basic. If this question is somehow unanswerable, I'd like to know that too (so I know to give up)! Thanks, = Joe = P.s., I've tried a bunch of variations and searched code for similar fragments all to no avail. If someone has a code fragment or pointer to working code, please let me know. -=- Code -=- import BoboPOS class Person(BoboPOS.Persistent): "A persistent person" def __init__(self,name,age): self.name=name self.age=age def listDB( self): # billy = object_store( "billy") # print billy.name, billy.age return "Hello" # define the object store # object_store = BoboPOS.PickleDictionary("people_store.db") # retrieve billy from the object store # if object_store.has_key("billy"): # if billy is in the object store, then # load it from the object store # billy=object_store["billy"] else: # since billy isn't already in the object # store, we must create the object and # place it in the object store. # billy=object_store["billy"]=Person("Billy",77) # normally Zope will handle transactions, # but in this special case, we need to # commit the transaction to save the new # persistent object # get_transaction().commit() # display the object that we retrieved # from the object store # listDB()