Simple script to dump an IMAP folder into eml files

.gitignore

.password
Downloads/

dump-imap.py

#!/usr/bin/env python
#-*- coding:utf-8 -*-

#python ./dump-imap.py -s server.net -u user@domain.com -r "Subfolder"

import imaplib
import getpass
import argparse
import os.path

argparser = argparse.ArgumentParser(description="Dump a IMAP folder into .eml files")
argparser.add_argument('-s', dest='host', help="IMAP host, like imap.gmail.com", required=True)
argparser.add_argument('-u', dest='username', help="IMAP username", required=True)
argparser.add_argument('-r', dest='remote_subfolder', help="Remote folder to download", default='')
args = argparser.parse_args()

file = open('.password', 'r')
password = file.read().strip()

local_folder = './Downloads/' + args.remote_subfolder
if not os.path.exists(local_folder):
	os.makedirs(local_folder)

remote_folder = 'INBOX.' + args.remote_subfolder

gmail = imaplib.IMAP4_SSL(args.host)
gmail.login(args.username, password)
gmail.select(remote_folder)
typ, data = gmail.search(None, 'ALL')
for num in data[0].split():
    typ, data = gmail.fetch(num, '(RFC822)')
    f = open('%s/%s.eml' %(local_folder, num), 'w')
    print >> f, data[0][1]
gmail.close()
gmail.logout()