проблема с rename

mech_imap.py

@@ -82,7 +82,7 @@ class IMAPUserAccount(object):
         if pathspec in conf.imap_auto_mbox:
             raise imap4.MailboxException, pathspec
         if pathspec not in IMAP_MBOX_REG[self.dir].keys():
-            raise imap4.MailboxException("No such mailbox")
+            raise imap4.NoSuchMailbox, pathspec
         inferiors = self._inferiorNames(pathspec)
         if r'\Noselect' in IMAP_MBOX_REG[self.dir][pathspec].getFlags():
             # Check for hierarchically inferior mailboxes with this one
@@ -111,19 +111,22 @@ class IMAPUserAccount(object):
             if new in IMAP_MBOX_REG[self.dir].keys():
                 raise imap4.MailboxCollision, new
         for (old, new) in inferiors:
-            move(os.path.join(self.dir, old), os.path.join(self.dir, new))
-            IMAP_MBOX_REG[self.dir][new] = IMAP_MBOX_REG[self.dir][old]
-            IMAP_MBOX_REG[self.dir][new].path = os.path.join(self.dir, new)
-            IMAP_MBOX_REG[self.dir][new].path_msg_info = os.path.join(self.dir, conf.imap_msg_info)
-            IMAP_MBOX_REG[self.dir][new].path_mbox_info = os.path.join(self.dir, conf.imap_mbox_info)
+            m = IMAP_MBOX_REG[self.dir][old]
             del IMAP_MBOX_REG[self.dir][old]
-        return True
+            for l in m.listeners: m.listeners.remove(l)
+            m.close()
+            move(os.path.join(self.dir, old), os.path.join(self.dir, new))
+            IMAP_MBOX_REG[self.dir][new] = self._getMailbox(new)
+            IMAP_MBOX_REG[self.dir][new].subscribe()
+        return IMAP_MBOX_REG[self.dir][newname]
 
     def subscribe(self, name):
         if isinstance(name, unicode):
             name = name.encode('imap4-utf-7')
         if name in IMAP_MBOX_REG[self.dir].keys():
             IMAP_MBOX_REG[self.dir][name].subscribe()
+            return True
+        raise imap4.NoSuchMailbox, name
 
     def unsubscribe(self, name):
         if name in conf.imap_auto_mbox:
@@ -132,6 +135,8 @@ class IMAPUserAccount(object):
             name = name.encode('imap4-utf-7')
         if name in IMAP_MBOX_REG[self.dir].keys():
             IMAP_MBOX_REG[self.dir][name].unsubscribe()
+            return True
+        raise imap4.NoSuchMailbox, name
 
     def isSubscribed(self, name):
         if isinstance(name, unicode):

serpent/imap/mailbox.py

@@ -10,7 +10,7 @@ from threading import Thread
 
 import random
 import email
-from pickle import load, dump
+
 from StringIO import StringIO
 import os
 
@@ -38,7 +38,7 @@ class SerpentAppendMessageTask(maildir._MaildirMailboxAppendMessageTask):
             try:
                 self.osrename(self.tmpname, newname)
                 break
-            except OSError, (err, estr):
+            except OSError, (err, _):
                 import errno
                 # if the newname exists, retry with a new newname.
                 if err != errno.EEXIST:
@@ -94,7 +94,7 @@ class IMAPMailbox(ExtendedMaildir):
         l = [l for l in self.__msg_list_()]
         for i in l:
             fn = i.split('/')[-1]
-            if fn not in msg_info.keys():
+            if fn not in self.msg_info.keys():
                 val1 = {'uid': self.getUIDNext()}
                 if i.split('/')[-2] == 'new':
                     val1['flags'] = []
@@ -223,7 +223,7 @@ class IMAPMailbox(ExtendedMaildir):
                     new_path = os.path.join(self.path, 'cur', filename)
                     os.rename(path, new_path)
             d[_id] = self.msg_info[filename]['flags']
-        msg_info.commit(blocking=False)
+        self.msg_info.commit(blocking=False)
         return d
     
     def expunge(self):
@@ -258,7 +258,9 @@ class IMAPMailbox(ExtendedMaildir):
         self.notifier.stopReading()
         self.notifier.loseConnection()
         if conf.imap_expunge_on_close:
-            l = self.expunge()
+            self.expunge()
+        self.mbox_info.close()
+        self.msg_info.close()
 
 class MaildirMessagePart(object):
     implements(imap4.IMessagePart)