[Zope-dev] Python Conference

2002-01-03 Thread Joya Subudhi
Python 10 Conference News Python 10 is just around the corner. Register today and save with EARLY BIRD REGISTRATION RATES. This early bird offer ends on January 7, 2002. To register, go to http://www.python10.org/p10-regInfo.html The Python 10 GROUP RATE at the Hilton Alexandria Mark Center is

[Zope-dev] References, persistence, BTrees

2002-01-03 Thread Jeffrey P Shell
I'm experimenting with an event notification service based on a publish-subscribe model for some projects I'm working on. When a subscription comes in, a 'Subscription' object is made, that basically looks like this: class Subscription(Base): def __init__(self, subscriber, eventType,

Re: [Zope-dev] References, persistence, BTrees

2002-01-03 Thread Phillip J. Eby
At 05:49 PM 1/3/02 -0700, Jeffrey P Shell wrote: 'subscriber' is a reference to the subscribing object, and it's very likely to be to an object in the ZODB. Is it wise to have more than one persistent reference to a single persistent object? I swear that I had once heard Jim say (vocally)