[Spambayes] big imapfilter.py problem

[David Abrahams]

%python imapfilter.py -t -v
Loading database hammie.db... Loading state from hammie.db database
hammie.db is a new database
Done.
Training
   Training ham folder HamBox
Traceback (most recent call last):
  File "imapfilter.py", line 661, in ?
    run()
  File "imapfilter.py", line 647, in run
    imap_filter.Train()
  File "imapfilter.py", line 488, in Train
    num_ham_trained = folder.Train(self.classifier, False)
  File "imapfilter.py", line 431, in Train
    for msg in self:
  File "imapfilter.py", line 383, in __iter__
    yield self[key]
  File "imapfilter.py", line 423, in __getitem__
    msg.setId(key)
  File "spambayes/message.py", line 173, in setId
    msginfoDB._getState(self)
  File "spambayes/message.py", line 118, in _getState
    (msg.c, msg.t) = self.db[msg.getId()]
  File "/usr/home/dave/src/email-2.5/email/Message.py", line 283, in __getitem__
    return self.get(name)
  File "/usr/home/dave/src/email-2.5/email/Message.py", line 349, in get
    name = name.lower()
AttributeError: 'int' object has no attribute 'lower'

What's happening here is in:

  File "spambayes/message.py", line 118, in _getState
    (msg.c, msg.t) = self.db[msg.getId()]

   self.db[msg.getID()]

is a email.Message object which doesn't support indexing by ints, and
the construct

    a, b = expr

basically evaluates expr and then tries to treat it as a sequence and
iterate over its elements, grabbing the first two and sticking them
in a and b.  I have no idea how or why this works for anyone else; it
seems like a straight-up bug to me, but maybe something went wrong
long before that I'm unable to diagnose.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com