#!/usr/bin/python
#
# purgeimap -- purge old messages in an IMAP folder
#
# By Justin R. Miller <justin@solidlinux.com>
#
# Version 0.1 - Sat 11 Aug 2001
#

import os, string, time, imaplib

rcfile = os.environ["HOME"] + '/.purgeimap'

fp = open(rcfile)
while 1:
    line = fp.readline()
    if not line:
        break
    tokens = string.split(string.strip(line))
    if tokens[0] == 'server':
        server = tokens[1]
    elif tokens[0] == 'port':
        port = int(tokens[1])
    elif tokens[0] == 'username':
        username = tokens[1]
    elif tokens[0] == 'password':
        password = tokens[1]
    elif tokens[0] == 'folder':
        folder = tokens[1]
    elif tokens[0] == 'age':
        age = int(tokens[1])
fp.close()

timestamp = time.localtime(time.time() - (age * 86400))
purgedate = time.strftime('%d-%b-%Y', timestamp)

m = imaplib.IMAP4(server, port)
m.login(username, password)
m.select(folder)

typ, msgs = m.search(None, '(BEFORE ' + purgedate + ')')

for num in string.split(msgs[0]):
    m.store(num, '+FLAGS', '(\Deleted)')

expunged = m.expunge()

m.logout()

if expunged[1] != [None]:
    print 'There were %s message(s) deleted.' % len(expunged[1])
else:
    print 'There were no messages over %s days old.' % age