7.3.5 Examples

import mailbox
for message in mailbox.mbox('~/mbox'):
    subject = message['subject']       # Could possibly be None.
    if subject and 'python' in subject.lower():
        print subject

import mailbox
destination = mailbox.MH('~/Mail')
for message in mailbox.Babyl('~/RMAIL'):
    destination.add(MHMessage(message))

import mailbox
import email.Errors
list_names = ('python-list', 'python-dev', 'python-bugs')
boxes = dict((name, mailbox.mbox('~/email/%s' % name)) for name in list_names)
inbox = mailbox.Maildir('~/Maildir', None)
for key in inbox.iterkeys():
    try:
        message = inbox[key]
    except email.Errors.MessageParseError:
        continue                # The message is malformed. Just leave it.
    for name in list_names:
        list_id = message['list-id']
        if list_id and name in list_id:
            box = boxes[name]
            box.lock()
            box.add(message)
            box.flush()         # Write copy to disk before removing original.
            box.unlock()
            inbox.discard(key)
            break               # Found destination, so stop looking.
for box in boxes.itervalues():
    box.close()