On Sun, 30 Mar 2008 21:34:00 -0700 John Nagle <[EMAIL PROTECTED]> wrote: > What's actually happening to you is that you've run into one of the > dumber features of Python - default values for parameters which are > mutable, like lists, result in rather unexpected behavior. The > problem is that > > def __init__(self, pcap = None, sids = []):
I have never liked using that form for different reasons so I never tripped over that. Now I have another reason to avoid it. It's not a huge deal to do this. def __init__(self, pcap = None, sids = None): if sids is None: sids = [] -- D'Arcy J.M. Cain <[EMAIL PROTECTED]> | Democracy is three wolves http://www.druid.net/darcy/ | and a sheep voting on +1 416 425 1212 (DoD#0082) (eNTP) | what's for dinner. -- http://mail.python.org/mailman/listinfo/python-list