2 mail_iterator.py - The module contains the MailIterator class.
4 Copyright (c) 2012 Intra2net AG
5 Author: Plamen Dimitrov
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 Add '-t' argument when running the module for a test mode.
18 For a detailed list of each message with a date conflict change
19 the 'log_level' in the configuration file from '30' to '20'.
26 MAILBOX_RESP = re.compile(r'\((?P<flags>.*?)\) "(?P<delimiter>.*)" (?P<name>.*)')
27 UIDVAL_RESP = re.compile(r'(?P<name>.*) \(UIDVALIDITY (?P<uidval>.*)\)')
30 """This class communicates with the e-mail server."""
32 def __init__(self, server, username, password):
33 """Creates a connection and a user session."""
34 self.mail_con = imaplib.IMAP4_SSL(server)
35 result, data = self.mail_con.login(username, password)
37 raise UserWarning("Could not log in as user " + username + ". " + data)
38 result, self.mailboxes = self.mail_con.list()
40 raise UserWarning("Could not retrieve mailboxes for user " + username + ".")
43 """Closes the connection and the user session."""
45 self.mail_con.logout()
48 """Iterates through all mailboxes, returns (uidval,name)."""
49 for mailbox in self.mailboxes:
50 #print("Checking mailbox ", mailbox)
51 mailbox = MAILBOX_RESP.match(mailbox.decode("utf-8")).groups()
52 result, data = self.mail_con.status(mailbox[2], '(UIDVALIDITY)')
54 raise UserWarning("Could not retrieve mailbox uidvalidity.")
55 uidval = UIDVAL_RESP.match(data[0].decode("utf-8")).groups()
56 #print(data[0], uidval)
57 self.mail_con.select(mailbox[2])
58 yield (mailbox[2], uidval[1])
60 def fetch_messages(self):
61 """Fetches the messages from the current mailbox, return list of uids."""
62 result, data = self.mail_con.uid('search', None, "ALL")
64 raise UserWarning("Could not fetch messages.")
65 #print("E-mail list for user ", row['username'], " is ", data[0])
66 mailid_list = data[0].split()
69 def fetch_internal_date(self, mid):
70 """Fetches the internal date of a message, returns a time tuple."""
71 result, data = self.mail_con.uid('fetch', mid, '(INTERNALDATE)')
73 raise UserWarning("Could not fetch the internal date of message" + mid + ".")
74 internal_date = imaplib.Internaldate2tuple(data[0])
77 def fetch_received_date(self, mid):
78 """Fetches the received date of a message, returns bytes reponse."""
79 result, data = self.mail_con.uid('fetch', mid, '(BODY.PEEK[HEADER.FIELDS (RECEIVED)])')
81 raise UserWarning("Could not fetch the received header of message" + mid + ".")
84 def update_message(self, mid, mailbox, internal_date):
85 """Replaces a message with one with correct internal date."""
86 internal_date_seconds = time.mktime(internal_date.timetuple())
87 internal_date_str = imaplib.Time2Internaldate(internal_date_seconds)
88 result, data = self.mail_con.uid('fetch', mid, '(RFC822)')
90 raise UserWarning("Could not retrieve the entire e-mail" + mid + ".")
91 #print("Entire e-mail is: ", data[0][1])
93 fetched_flags = self.mail_con.uid('fetch', mid, '(FLAGS)')[1][0]
94 parsed_flags = imaplib.ParseFlags(fetched_flags)
95 flags_str = " ".join(flag.decode("utf-8") for flag in parsed_flags)
96 result, data = self.mail_con.append(mailbox, flags_str,
97 internal_date_str, data[0][1])
100 raise UserWarning("Could not replace the e-mail" + mid + ".")
102 result, data = self.mail_con.uid('STORE', mid, '+FLAGS', r'(\Deleted)')
104 raise UserWarning("Could not delete the e-mail" + mid + ".")
105 else: self.mail_con.expunge()