Adding file-based transports including Maildir, Mbox, Babyl, MH, and MMDF.

django_mailbox/models.py

@@ -4,7 +4,9 @@ import urllib
 import urlparse
 
 from django.db import models
-from django_mailbox.transports import PopMailEnumerator, ImapMailEnumerator
+from django_mailbox.transports import Pop3Transport, ImapTransport,\
+        MaildirTransport, MboxTransport, BabylTransport, MHTransport, \
+        MMDFTransport
 from django_mailbox.signals import message_received
 
 class Mailbox(models.Model):
@@ -12,10 +14,10 @@ class Mailbox(models.Model):
     uri = models.CharField(
             max_length=255,
             help_text="""
-                Start your URI with imap://, imap+ssl://,  pop3://, or pop3+ssl://.
+                Example: imap+ssl://myusername:mypassword@someserver
                 <br />
                 <br />
-                Example: imap://myusername:mypassword@someserver
+                Internet transports include 'imap' and 'pop3'; common local file transports include 'maildir', 'mbox', and less commonly 'babyl', 'mh', and 'mmdf'.
                 <br />
                 <br />
                 Be sure to urlencode your username and password should they 
@@ -60,18 +62,29 @@ class Mailbox(models.Model):
 
     def get_connection(self):
         if self.type == 'imap':
-            conn = ImapMailEnumerator(
+            conn = ImapTransport(
                         self.location,
                         port=self.port if self.port else None,
                         ssl=self.use_ssl
                     )
+            conn.connect(self.username, self.password)
         elif self.type == 'pop3':
-            conn = PopMailEnumerator(
+            conn = Pop3Transport(
                         self.location,
                         port=self.port if self.port else None,
                         ssl=self.use_ssl
                     )
-        conn.connect(self.username, self.password)
+            conn.connect(self.username, self.password)
+        elif self.type == 'maildir':
+            conn = MaildirTransport(self.location)
+        elif self.type == 'mbox':
+            conn = MboxTransport(self.location)
+        elif self.type == 'babyl':
+            conn = BabylTransport(self.location)
+        elif self.type == 'mh':
+            conn = MHTransport(self.location)
+        elif self.type == 'mmdf':
+            conn = MMDFTransport(self.location)
         return conn
 
     def get_new_mail(self):
@@ -79,10 +92,11 @@ class Mailbox(models.Model):
         new_mail = []
         for message in connection.get_message():
             msg = Message()
+            print msg
             msg.mailbox = self
-            msg.subject = message['subject']
-            msg.message_id = message['message-id']
-            msg.from_address = rfc822.parseaddr(message['from'])[1]
+            msg.subject = message['subject'][0:255]
+            msg.message_id = message['message-id'][0:255]
+            msg.from_address = rfc822.parseaddr(message['from'])[1][0:255]
             msg.body = message.as_string()
             msg.save()
             new_mail.append(msg)

django_mailbox/transports.py

@@ -1,66 +1 @@
-import email
-from imaplib import IMAP4, IMAP4_SSL
-from poplib import POP3, POP3_SSL
-
-class PopMailEnumerator(object):
-    def __init__(self, hostname, port=None, ssl=False):
-        self.hostname = hostname
-        self.port = port
-        if ssl:
-            self.transport = POP3_SSL
-            if not self.port:
-                self.port = 995
-        else:
-            self.transport = POP3
-            if not self.port:
-                self.port = 110
-
-    def connect(self, username, password):
-        self.server = self.transport(self.hostname, self.port)
-        self.server.user(username)
-        self.server.pass_(password)
-
-    def get_message(self):
-        message_count = len(self.server.list()[1])
-        for i in range(message_count):
-            try:
-                msg_contents = "\r\n".join(self.server.retr(i + 1)[1])
-                message = email.message_from_string(msg_contents)
-                yield message
-            except email.Errors.MessageParseError:
-                continue
-            self.server.dele(i + 1)
-        self.server.quit()
-        return
-
-class ImapMailEnumerator(object):
-    def __init__(self, hostname, port=None, ssl=False):
-        self.hostname = hostname
-        self.port = port
-        if ssl:
-            self.transport = IMAP4_SSL
-            if not self.port:
-                self.port = 993
-        else:
-            self.transport = IMAP4
-            if not self.port:
-                self.port = 143
-
-    def connect(self, username, password):
-        self.server = self.transport(self.hostname, self.port)
-        typ, msg = self.server.login(username, password)
-        self.server.select()
-
-    def get_message(self):
-        typ, inbox = self.server.search(None, 'ALL')
-        for key in inbox[0].split():
-            try:
-                typ, msg_contents = self.server.fetch(key, '(RFC822)')
-                message = email.message_from_string(msg_contents[0][1])
-                yield message
-            except email.Errors.MessageParseError:
-                continue
-            self.server.store(key, "+FLAGS", "\\Deleted");
-        self.server.expunge()
-        return
 

django_mailbox/transports/__init__.py

@@ -0,0 +1,7 @@
+from django_mailbox.transports.imap import ImapTransport
+from django_mailbox.transports.pop3 import Pop3Transport
+from django_mailbox.transports.maildir import MaildirTransport
+from django_mailbox.transports.mbox import MboxTransport
+from django_mailbox.transports.babyl import BabylTransport
+from django_mailbox.transports.mh import MHTransport
+from django_mailbox.transports.mmdf import MMDFTransport

django_mailbox/transports/babyl.py

@@ -0,0 +1,5 @@
+from mailbox import Babyl
+from django_mailbox.transports.generic import GenericFileMailbox
+
+class BabylTransport(GenericFileMailbox):
+    _variant = Babyl

django_mailbox/transports/generic.py

@@ -0,0 +1,18 @@
+class GenericFileMailbox(object):
+    _variant = None
+    _path = None
+
+    def __init__(self, path):
+        super(GenericFileMailbox, self).__init__()
+        self._path = path
+
+    def get_instance(self):
+        return self._variant(self._path)
+
+    def get_message(self):
+        repository = self.get_instance()
+        repository.lock()
+        for key, message in repository.items():
+            repository.remove(key)
+            yield message
+        repository.unlock()

django_mailbox/transports/imap.py

@@ -0,0 +1,33 @@
+import email
+from imaplib import IMAP4, IMAP4_SSL
+
+class ImapTransport(object):
+    def __init__(self, hostname, port=None, ssl=False):
+        self.hostname = hostname
+        self.port = port
+        if ssl:
+            self.transport = IMAP4_SSL
+            if not self.port:
+                self.port = 993
+        else:
+            self.transport = IMAP4
+            if not self.port:
+                self.port = 143
+
+    def connect(self, username, password):
+        self.server = self.transport(self.hostname, self.port)
+        typ, msg = self.server.login(username, password)
+        self.server.select()
+
+    def get_message(self):
+        typ, inbox = self.server.search(None, 'ALL')
+        for key in inbox[0].split():
+            try:
+                typ, msg_contents = self.server.fetch(key, '(RFC822)')
+                message = email.message_from_string(msg_contents[0][1])
+                yield message
+            except email.Errors.MessageParseError:
+                continue
+            self.server.store(key, "+FLAGS", "\\Deleted");
+        self.server.expunge()
+        return

django_mailbox/transports/maildir.py

@@ -0,0 +1,8 @@
+from mailbox import Maildir
+from django_mailbox.transports.generic import GenericFileMailbox
+
+class MaildirTransport(GenericFileMailbox):
+    _variant = Maildir
+
+    def get_instance(self):
+        return self._variant(self._path, None)

django_mailbox/transports/mbox.py

@@ -0,0 +1,5 @@
+from mailbox import mbox
+from django_mailbox.transports.generic import GenericFileMailbox
+
+class MboxTransport(GenericFileMailbox):
+    _variant = mbox

django_mailbox/transports/mh.py

@@ -0,0 +1,5 @@
+from mailbox import MH
+from django_mailbox.transports.generic import GenericFileMailbox
+
+class MHTransport(GenericFileMailbox):
+    _variant = MH

django_mailbox/transports/mmdf.py

@@ -0,0 +1,5 @@
+from mailbox import MMDF
+from django_mailbox.transports.generic import GenericFileMailbox
+
+class MMDFTransport(GenericFileMailbox):
+    _variant = MMDF

django_mailbox/transports/pop3.py

@@ -0,0 +1,33 @@
+import email
+from poplib import POP3, POP3_SSL
+
+class Pop3Transport(object):
+    def __init__(self, hostname, port=None, ssl=False):
+        self.hostname = hostname
+        self.port = port
+        if ssl:
+            self.transport = POP3_SSL
+            if not self.port:
+                self.port = 995
+        else:
+            self.transport = POP3
+            if not self.port:
+                self.port = 110
+
+    def connect(self, username, password):
+        self.server = self.transport(self.hostname, self.port)
+        self.server.user(username)
+        self.server.pass_(password)
+
+    def get_message(self):
+        message_count = len(self.server.list()[1])
+        for i in range(message_count):
+            try:
+                msg_contents = "\r\n".join(self.server.retr(i + 1)[1])
+                message = email.message_from_string(msg_contents)
+                yield message
+            except email.Errors.MessageParseError:
+                continue
+            self.server.dele(i + 1)
+        self.server.quit()
+        return