mailbox.py нам не нужен
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# -*- coding: utf-8 -*-
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from twisted.mail import maildir, imap4
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from twisted.mail.smtp import rfc822date
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from twisted.internet import inotify
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from twisted.python import filepath
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from zope.interface import implements
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from threading import Thread
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import random
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import email
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from pickle import load, dump
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from StringIO import StringIO
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import os
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from serpent.config import conf
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from serpent import misc
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from sqlitedict import SqliteDict
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class LoopingTask(Thread):
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def __init__(self, func, event, interval):
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Thread.__init__(self)
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self.func = func
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self.interval = interval
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self.stopped = event
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def run(self):
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while not self.stopped.wait(self.interval):
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self.func()
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class SerpentAppendMessageTask(maildir._MaildirMailboxAppendMessageTask):
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def moveFileToNew(self):
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while True:
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newname = os.path.join(self.mbox.path, "new", maildir._generateMaildirName())
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try:
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self.osrename(self.tmpname, newname)
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break
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except OSError, (err, estr):
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import errno
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# if the newname exists, retry with a new newname.
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if err != errno.EEXIST:
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self.fail()
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newname = None
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break
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if newname is not None:
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self.mbox.lastadded = newname
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self.defer.callback(None)
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self.defer = None
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class ExtendedMaildir(maildir.MaildirMailbox):
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def __iter__(self):
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return iter(self.list)
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def __getitem__(self, i):
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return self.list[i]
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class IMAPMailbox(ExtendedMaildir):
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implements(imap4.IMailbox, imap4.ICloseableMailbox)
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AppendFactory = SerpentAppendMessageTask
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def __init__(self, path):
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maildir.initializeMaildir(path)
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self.listeners = []
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self.path = path
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self.msg_info = SqliteDict(os.path.join(path, conf.imap_msg_info))
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self.mbox_info = SqliteDict(os.path.join(path, conf.imap_mbox_info))
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self.lastadded = None
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self.__check_flags_()
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def _start_monitor(self):
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self.notifier = inotify.INotify()
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self.notifier.startReading()
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self.notifier.watch(filepath.FilePath(os.path.join(self.path, 'new')),
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callbacks=[self._new_files])
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self.notifier.watch(filepath.FilePath(os.path.join(self.path,'cur')),
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callbacks=[self._new_files])
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def _new_files(self, wo, path, code):
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if code == inotify.IN_MOVED_TO or code == inotify.IN_DELETE:
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for l in self.listeners:
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l.newMessages(self.getMessageCount(), self.getRecentCount())
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def __check_flags_(self):
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if 'subscribed' not in self.mbox_info.keys(): self.mbox_info['subscribed'] = False
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if 'uidvalidity' not in self.mbox_info.keys(): self.mbox_info['uidvalidity'] = random.randint(0, 2**32)
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if 'uidnext' not in self.mbox_info.keys(): self.mbox_info['uidnext'] = 1
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self.mbox_info.commit(blocking=False)
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l = [l for l in self.__msg_list_()]
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for i in l:
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fn = i.split('/')[-1]
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if fn not in msg_info.keys():
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val1 = {'uid': self.getUIDNext()}
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if i.split('/')[-2] == 'new':
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val1['flags'] = []
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else:
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val1['flags'] = [misc.IMAP_FLAGS['SEEN']]
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self.msg_info[fn] = val1
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self.msg_info.commit(blocking=False)
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def subscribe(self):
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self.mbox_info['subscribed'] = True
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self.mbox_info.commit(blocking=False)
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def unsubscribe(self):
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self.mbox_info['subscribed'] = False
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self.mbox_info.commit(blocking=False)
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def is_subscribed(self):
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return self.mbox_info['subscribed']
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def __count_flagged_msgs_(self, flag):
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val1 = [0 for fn in self.msg_info.keys() if flag in self.msg_info[fn]['flags']]
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return len(val1)
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def getHierarchicalDelimiter(self):
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return misc.IMAP_HDELIM
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def getFlags(self):
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return misc.IMAP_FLAGS.values()
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def getMessageCount(self):
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val1 = [0 for fn in self.msg_info.keys() if misc.IMAP_FLAGS['DELETED'] not in self.msg_info[fn]['flags']]
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return len(val1)
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def getRecentCount(self):
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return self.__count_flagged_msgs_(misc.IMAP_FLAGS['RECENT'])
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def getUnseenCount(self):
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return self.getMessageCount() - self.__count_flagged_msgs_(misc.IMAP_FLAGS['SEEN'])
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def isWriteable(self):
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return True
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def getUIDValidity(self):
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return self.mbox_info['uidvalidity']
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def getUIDNext(self):
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un = self.mbox_info['uidnext']
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self.mbox_info['uidnext'] += 1
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self.mbox_info.commit(blocking=False)
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return un
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def getUID(self, num):
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return num
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def addMessage(self, message, flags = (), date = None):
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return self.appendMessage(message).addCallback(self._cbAddMessage, flags)
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def _cbAddMessage(self, obj, flags):
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path = self.lastadded
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self.lastadded = None
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fn = path.split('/')[-1]
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self.msg_info[fn] = {'uid': self.getUIDNext(), 'flags': flags}
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self.msg_info.commit(blocking=False)
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if misc.IMAP_FLAGS['SEEN'] in flags and path.split('/')[-2] != 'cur':
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new_path = os.path.join(self.path, 'cur', fn)
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os.rename(path, new_path)
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def __msg_list_(self):
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a = []
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for m in os.listdir(os.path.join(self.path, 'new')):
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a.append(os.path.join(self.path, 'new', m))
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for m in os.listdir(os.path.join(self.path, 'cur')):
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a.append(os.path.join(self.path, 'cur', m))
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return a
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def _seqMessageSetToSeqDict(self, messageSet):
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if not messageSet.last:
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messageSet.last = self.getMessageCount()
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seqMap = {}
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msgs = self.__msg_list_()
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for messageNum in messageSet:
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if messageNum > 0 and messageNum <= self.getMessageCount():
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seqMap[messageNum] = msgs[messageNum - 1]
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return seqMap
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def fetch(self, messages, uid):
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return [[seq, MaildirMessage(seq,
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file(filename, 'rb').read(),
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self.msg_info[filename.split('/')[-1]]['flags'],
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rfc822date())]
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for seq, filename in self.__fetch_(messages, uid).iteritems()]
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def __fetch_(self, messages, uid):
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if uid:
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messagesToFetch = {}
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if not messages.last:
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messages.last = self.mbox_info['uidnext']
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fn_uid = dict((fn, self.msg_info[fn]['uid']) for fn in self.msg_info.keys())
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for uid in messages:
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if uid in fn_uid.values():
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for name, _id in fn_uid.iteritems():
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if uid == _id:
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if os.path.exists(os.path.join(self.path,'new', name)):
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messagesToFetch[uid] = os.path.join(self.path,'new', name)
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elif os.path.exists(os.path.join(self.path,'cur', name)):
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messagesToFetch[uid] = os.path.join(self.path,'cur', name)
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else:
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messagesToFetch = self._seqMessageSetToSeqDict(messages)
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return messagesToFetch
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def store(self, messages, flags, mode, uid):
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d = {}
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for _id, path in self.__fetch_(messages, uid).iteritems():
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filename = path.split('/')[-1]
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if mode < 0:
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old_f = self.msg_info[filename]['flags']
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self.msg_info[filename]['flags'] = list(set(old_f).difference(set(flags)))
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if misc.IMAP_FLAGS['SEEN'] in flags and path.split('/')[-2] != 'new':
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new_path = os.path.join(self.path, 'new', filename)
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os.rename(path, new_path)
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elif mode == 0:
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self.msg_info[filename]['flags'] = flags
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elif mode > 0:
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old_f = self.msg_info[filename]['flags']
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self.msg_info[filename]['flags'] = list(set(old_f).union(set(flags)))
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if misc.IMAP_FLAGS['SEEN'] in flags and path.split('/')[-2] != 'cur':
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new_path = os.path.join(self.path, 'cur', filename)
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os.rename(path, new_path)
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d[_id] = self.msg_info[filename]['flags']
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msg_info.commit(blocking=False)
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return d
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def expunge(self):
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uids = []
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for path in self.__msg_list_():
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fn = path.split('/')[-1]
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if fn not in self.msg_info.keys():
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continue
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uid = self.msg_info[fn]['uid']
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if misc.IMAP_FLAGS['DELETED'] in self.msg_info[fn]['flags']:
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os.remove(path)
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del self.msg_info[fn]
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uids.append(uid)
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self.msg_info.commit(blocking=False)
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return uids
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def addListener(self, listener):
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self.listeners.append(listener)
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return True
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def removeListener(self, listener):
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self.listeners.remove(listener)
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return True
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def requestStatus(self, names):
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return imap4.statusRequestHelper(self, names)
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def destroy(self):
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pass
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def close(self):
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self.notifier.stopReading()
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self.notifier.loseConnection()
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if conf.imap_expunge_on_close:
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l = self.expunge()
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class MaildirMessagePart(object):
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implements(imap4.IMessagePart)
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def __init__(self, message):
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self.message = message
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self.data = str(message)
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def getHeaders(self, negate, *names):
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if not names:
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names = self.message.keys()
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headers = {}
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if negate:
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for header in self.message.keys():
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if header.upper() not in names:
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headers[header.lower()] = self.message.get(header, '')
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else:
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for name in names:
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headers[name.lower()] = self.message.get(name, '')
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return headers
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def getBodyFile(self):
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return StringIO(self.message.get_payload())
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def getSize(self):
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return len(self.data)
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def isMultipart(self):
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return self.message.is_multipart()
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def getSubPart(self, part):
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return MaildirMessagePart(self.message.get_payload(part))
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class MaildirMessage(MaildirMessagePart):
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implements(imap4.IMessage)
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def __init__(self, uid, message, flags, date):
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MaildirMessagePart.__init__(self, message)
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self.uid = uid
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self.message = email.message_from_string(message)
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self.flags = flags
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self.date = date
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def getUID(self):
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return self.uid
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def getFlags(self):
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return self.flags
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def getInternalDate(self):
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return self.date
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