5db24303b7
From Jim Pryor The first, "cleanup.patch", cleans up a few spots that tend to throw exceptions for me as offlineimap is exiting from a KeyboardInterrupt.
274 lines
10 KiB
Python
274 lines
10 KiB
Python
# 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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# 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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#
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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from offlineimap import threadutil, mbnames, CustomConfig
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import offlineimap.repository.Base, offlineimap.repository.LocalStatus
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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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from subprocess import Popen, PIPE
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def getaccountlist(customconfig):
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return customconfig.getsectionlist('Account')
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def AccountListGenerator(customconfig):
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return [Account(customconfig, accountname)
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for accountname in getaccountlist(customconfig)]
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def AccountHashGenerator(customconfig):
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retval = {}
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for item in AccountListGenerator(customconfig):
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retval[item.getname()] = item
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return retval
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mailboxes = []
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class Account(CustomConfig.ConfigHelperMixin):
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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.ui = UIBase.getglobalui()
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self.refreshperiod = self.getconffloat('autorefresh', 0.0)
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self.quicknum = 0
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if self.refreshperiod == 0.0:
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self.refreshperiod = None
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def getlocaleval(self):
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return self.localeval
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def getconfig(self):
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return self.config
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def getname(self):
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return self.name
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def getsection(self):
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return 'Account ' + self.getname()
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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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kaobjs = []
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if hasattr(self, 'localrepos'):
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kaobjs.append(self.localrepos)
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if hasattr(self, 'remoterepos'):
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kaobjs.append(self.remoterepos)
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for item in kaobjs:
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item.startkeepalive()
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refreshperiod = int(self.refreshperiod * 60)
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sleepresult = self.ui.sleep(refreshperiod)
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# Cancel keepalive
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for item in kaobjs:
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item.stopkeepalive()
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return sleepresult
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class AccountSynchronizationMixin:
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def syncrunner(self):
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self.ui.registerthread(self.name)
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self.ui.acct(self.name)
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accountmetadata = self.getaccountmeta()
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if not os.path.exists(accountmetadata):
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os.mkdir(accountmetadata, 0700)
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self.remoterepos = offlineimap.repository.Base.LoadRepository(self.getconf('remoterepository'), self, 'remote')
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# Connect to the local repository.
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self.localrepos = offlineimap.repository.Base.LoadRepository(self.getconf('localrepository'), self, 'local')
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# Connect to the local cache.
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self.statusrepos = offlineimap.repository.LocalStatus.LocalStatusRepository(self.getconf('localrepository'), self)
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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 getaccountmeta(self):
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return os.path.join(self.metadatadir, 'Account-' + 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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hook = self.getconf('presynchook', '')
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self.callhook(hook)
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quickconfig = self.getconfint('quick', 0)
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if quickconfig < 0:
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quick = True
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elif quickconfig > 0:
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if self.quicknum == 0 or self.quicknum > quickconfig:
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self.quicknum = 1
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quick = False
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else:
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self.quicknum = self.quicknum + 1
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quick = True
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else:
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quick = False
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try:
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remoterepos = self.remoterepos
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localrepos = self.localrepos
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statusrepos = self.statusrepos
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self.ui.syncfolders(remoterepos, localrepos)
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remoterepos.syncfoldersto(localrepos, [statusrepos])
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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.remoterepos.getname(),
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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, quick))
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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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mbnames.write()
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localrepos.forgetfolders()
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remoterepos.forgetfolders()
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localrepos.holdordropconnections()
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remoterepos.holdordropconnections()
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finally:
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pass
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hook = self.getconf('postsynchook', '')
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self.callhook(hook)
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def callhook(self, cmd):
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if not cmd:
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return
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try:
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self.ui.callhook("Calling hook: " + cmd)
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p = Popen(cmd, shell=True,
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stdin=PIPE, stdout=PIPE, stderr=PIPE,
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close_fds=True)
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r = p.communicate()
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self.ui.callhook("Hook stdout: %s\nHook stderr:%s\n" % r)
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self.ui.callhook("Hook return code: %d" % p.returncode)
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except:
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self.ui.warn("Exception occured while calling hook")
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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, quick):
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global mailboxes
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ui = UIBase.getglobalui()
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ui.registerthread(accountname)
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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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mbnames.add(accountname, localfolder.getvisiblename())
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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 quick:
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if not localfolder.quickchanged(statusfolder) \
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and not remotefolder.quickchanged(statusfolder):
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ui.skippingfolder(remotefolder)
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localrepos.restore_atime()
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return
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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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# If either the local or the status folder has messages and there is a UID
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# validity problem, warn and abort. If there are no messages, UW IMAPd
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# loses UIDVALIDITY. But we don't really need it if both local folders are
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# empty. So, in that case, just save it off.
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if len(localfolder.getmessagelist()) or len(statusfolder.getmessagelist()):
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if not localfolder.isuidvalidityok():
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ui.validityproblem(localfolder)
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localrepos.restore_atime()
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return
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if not remotefolder.isuidvalidityok():
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ui.validityproblem(remotefolder)
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localrepos.restore_atime()
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return
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else:
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localfolder.saveuidvalidity()
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remotefolder.saveuidvalidity()
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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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remotefolder.syncmessagesto(localfolder, [localfolder, statusfolder])
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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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localrepos.restore_atime()
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