2003-01-04 05:57:46 +01:00
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# Copyright (C) 2003 John Goerzen
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# <jgoerzen@complete.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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2003-04-16 21:23:45 +02:00
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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2003-01-04 05:57:46 +01:00
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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2003-01-06 21:40:23 +01:00
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from offlineimap import imapserver, repository, threadutil, mbnames
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2003-01-04 05:57:46 +01:00
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from offlineimap.ui import UIBase
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from offlineimap.threadutil import InstanceLimitedThread, ExitNotifyThread
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from threading import Event
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import os
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mailboxes = []
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class Account:
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def __init__(self, config, name):
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self.config = config
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self.name = name
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self.metadatadir = config.getmetadatadir()
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self.localeval = config.getlocaleval()
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self.server = imapserver.ConfigedIMAPServer(config, self.name)
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self.ui = UIBase.getglobalui()
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if self.config.has_option(self.name, 'autorefresh'):
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self.refreshperiod = self.config.getint(self.name, 'autorefresh')
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else:
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self.refreshperiod = None
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self.hold = self.config.has_option(self.name, 'holdconnectionopen') \
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and self.config.getboolean(self.name, 'holdconnectionopen')
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if self.config.has_option(self.name, 'keepalive'):
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self.keepalive = self.config.getint(self.name, 'keepalive')
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else:
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self.keepalive = None
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def getconf(self, option, default = None):
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if default != None:
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return self.config.get(self.name, option)
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else:
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return self.config.getdefault(self.name, option,
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default)
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def sleeper(self):
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"""Sleep handler. Returns same value as UIBase.sleep:
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0 if timeout expired, 1 if there was a request to cancel the timer,
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and 2 if there is a request to abort the program.
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Also, returns 100 if configured to not sleep at all."""
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if not self.refreshperiod:
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return 100
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refreshperiod = self.refreshperiod * 60
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if self.keepalive:
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kaevent = Event()
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kathread = ExitNotifyThread(target = self.server.keepalive,
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name = "Keep alive " + self.name,
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args = (self.keepalive, kaevent))
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kathread.setDaemon(1)
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kathread.start()
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sleepresult = self.ui.sleep(refreshperiod)
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if sleepresult == 2:
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# Cancel keep-alive, but don't bother terminating threads
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if self.keepalive:
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kaevent.set()
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return sleepresult
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else:
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# Cancel keep-alive and wait for thread to terminate.
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if self.keepalive:
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kaevent.set()
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kathread.join()
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return sleepresult
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class AccountSynchronizationMixin:
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def syncrunner(self):
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2003-01-06 00:07:58 +01:00
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self.ui.registerthread(self.name)
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2003-01-04 05:57:46 +01:00
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self.ui.acct(self.name)
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if not self.refreshperiod:
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self.sync()
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self.ui.acctdone(self.name)
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return
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looping = 1
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while looping:
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self.sync()
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looping = self.sleeper() != 2
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self.ui.acctdone(self.name)
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def sync(self):
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# We don't need an account lock because syncitall() goes through
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# each account once, then waits for all to finish.
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try:
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accountmetadata = os.path.join(self.metadatadir, self.name)
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if not os.path.exists(accountmetadata):
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os.mkdir(accountmetadata, 0700)
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remoterepos = repository.IMAP.IMAPRepository(self.config,
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self.localeval,
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self.name,
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self.server)
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# Connect to the Maildirs.
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localrepos = repository.Maildir.MaildirRepository(os.path.expanduser(self.config.get(self.name, "localfolders")), self.name, self.config)
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# Connect to the local cache.
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2003-01-06 00:07:58 +01:00
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statusrepos = repository.LocalStatus.LocalStatusRepository(accountmetadata, self.name)
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2003-01-04 05:57:46 +01:00
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self.ui.syncfolders(remoterepos, localrepos)
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remoterepos.syncfoldersto(localrepos)
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folderthreads = []
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for remotefolder in remoterepos.getfolders():
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thread = InstanceLimitedThread(\
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instancename = 'FOLDER_' + self.name,
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target = syncfolder,
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name = "Folder sync %s[%s]" % \
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(self.name, remotefolder.getvisiblename()),
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args = (self.name, remoterepos, remotefolder, localrepos,
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statusrepos))
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thread.setDaemon(1)
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thread.start()
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folderthreads.append(thread)
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threadutil.threadsreset(folderthreads)
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2003-01-06 21:40:23 +01:00
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mbnames.write()
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2003-01-04 05:57:46 +01:00
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if not self.hold:
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2003-01-07 04:15:22 +01:00
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self.server.close()
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2003-01-04 05:57:46 +01:00
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finally:
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pass
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class SyncableAccount(Account, AccountSynchronizationMixin):
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pass
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def syncfolder(accountname, remoterepos, remotefolder, localrepos,
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statusrepos):
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global mailboxes
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ui = UIBase.getglobalui()
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2003-01-06 00:07:58 +01:00
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ui.registerthread(accountname)
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2003-01-04 05:57:46 +01:00
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# Load local folder.
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localfolder = localrepos.\
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getfolder(remotefolder.getvisiblename().\
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replace(remoterepos.getsep(), localrepos.getsep()))
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# Write the mailboxes
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2003-01-06 21:40:23 +01:00
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mbnames.add(accountname, localfolder.getvisiblename())
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2003-01-04 05:57:46 +01:00
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# Load local folder
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ui.syncingfolder(remoterepos, remotefolder, localrepos, localfolder)
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ui.loadmessagelist(localrepos, localfolder)
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localfolder.cachemessagelist()
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ui.messagelistloaded(localrepos, localfolder, len(localfolder.getmessagelist().keys()))
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# Load status folder.
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statusfolder = statusrepos.getfolder(remotefolder.getvisiblename().\
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replace(remoterepos.getsep(),
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statusrepos.getsep()))
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if localfolder.getuidvalidity() == None:
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# This is a new folder, so delete the status cache to be sure
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# we don't have a conflict.
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statusfolder.deletemessagelist()
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statusfolder.cachemessagelist()
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# If either the local or the status folder has messages and
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# there is a UID validity problem, warn and abort.
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# If there are no messages, UW IMAPd loses UIDVALIDITY.
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# But we don't really need it if both local folders are empty.
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# So, in that case, save it off.
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if (len(localfolder.getmessagelist()) or \
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len(statusfolder.getmessagelist())) and \
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not localfolder.isuidvalidityok(remotefolder):
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ui.validityproblem(remotefolder)
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return
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else:
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localfolder.saveuidvalidity(remotefolder.getuidvalidity())
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# Load remote folder.
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ui.loadmessagelist(remoterepos, remotefolder)
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remotefolder.cachemessagelist()
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ui.messagelistloaded(remoterepos, remotefolder,
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len(remotefolder.getmessagelist().keys()))
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#
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if not statusfolder.isnewfolder():
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# Delete local copies of remote messages. This way,
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# if a message's flag is modified locally but it has been
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# deleted remotely, we'll delete it locally. Otherwise, we
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# try to modify a deleted message's flags! This step
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# need only be taken if a statusfolder is present; otherwise,
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# there is no action taken *to* the remote repository.
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remotefolder.syncmessagesto_delete(localfolder, [localfolder,
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statusfolder])
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ui.syncingmessages(localrepos, localfolder, remoterepos, remotefolder)
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localfolder.syncmessagesto(statusfolder, [remotefolder, statusfolder])
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# Synchronize remote changes.
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ui.syncingmessages(remoterepos, remotefolder, localrepos, localfolder)
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2003-01-06 05:54:59 +01:00
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remotefolder.syncmessagesto(localfolder, [localfolder, statusfolder])
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2003-01-04 05:57:46 +01:00
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# Make sure the status folder is up-to-date.
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ui.syncingmessages(localrepos, localfolder, statusrepos, statusfolder)
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localfolder.syncmessagesto(statusfolder)
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statusfolder.save()
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