Migrate Cyrus directory structure to a Kopano user.

cyrus2kopano.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
import os
import kopano

userfolder = '/var/spool/cyrus/mail/i/user/cyrususer'
kuser = kopano.user('kopanouser')

IGNORE = ['cyrus.cache', 'cyrus.index', 'cyrus.header']

for d in os.walk(userfolder):
    dest = d[0].replace(userfolder, '')
    if not len(dest):
        dest = 'mapi.inbox'
    else:
        dest = dest.replace('/', '', 1)

    if dest == 'mapi.inbox':
        kdest = kuser.inbox
    else:
        kdest = kuser.subtree.folder(dest, create=True)

    print('Processing "{}" as "{}"'.format(d[0] + '/', kdest.name))

    files = d[2]
    for file in files:
        if file not in IGNORE:
            fname = d[0] + '/' + file
            eml = open(fname, 'rb').read()
            try:
                newitem = kdest.create_item(eml=eml)
                kuser.store.item(newitem.entryid).mapiobj.SetReadFlag(0)
            except Exception as e:
                print(e)