docker-offlineimap/head/offlineimap.py

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#!/usr/bin/python2.2
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# Copyright (C) 2002 John Goerzen
# <jgoerzen@complete.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from offlineimap import imaplib, imaputil, imapserver, repository, folder, mbnames, threadutil
from offlineimap.threadutil import InstanceLimitedThread, ExitNotifyThread
import re, os, os.path, offlineimap, sys
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from ConfigParser import ConfigParser
from threading import *
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if '-d' in sys.argv:
imaplib.Debug = 5
ui = offlineimap.ui.TTY.TTYUI()
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ui.init_banner()
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config = ConfigParser()
configfilename = os.path.expanduser("~/.offlineimaprc")
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if not os.path.exists(configfilename):
sys.stderr.write(" *** Config file %s does not exist; aborting!\n" % configfilename)
sys.exit(1)
config.read(configfilename)
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metadatadir = os.path.expanduser(config.get("general", "metadata"))
if not os.path.exists(metadatadir):
os.mkdir(metadatadir, 0700)
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accounts = config.get("general", "accounts")
accounts = accounts.replace(" ", "")
accounts = accounts.split(",")
server = None
remoterepos = None
localrepos = None
passwords = {}
tunnels = {}
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threadutil.initInstanceLimit("ACCOUNTLIMIT", config.getint("general",
"maxsyncaccounts"))
# We have to gather passwords here -- don't want to have two threads
# asking for passwords simultaneously.
for account in accounts:
if config.has_option(account, "preauthtunnel"):
tunnels[account] = config.get(account, "preauthtunnel")
elif config.has_option(account, "remotepass"):
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passwords[account] = config.get(account, "remotepass")
elif config.has_option(account, "remotepassfile"):
passfile = os.path.expanduser(config.get(account, "remotepassfile"))
passwords[account] = passfile.readline().strip()
passfile.close()
else:
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passwords[account] = ui.getpass(account, config)
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for instancename in ["FOLDER_" + account, "MSGCOPY_" + account]:
threadutil.initInstanceLimit(instancename,
config.getint(account, "maxconnections"))
mailboxes = []
mailboxlock = Lock()
def addmailbox(accountname, remotefolder):
mailboxlock.acquire()
mailboxes.append({'accountname' : accountname,
'foldername': remotefolder.getvisiblename()})
mailboxlock.release()
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def syncaccount(accountname, *args):
# We don't need an account lock because syncitall() goes through
# each account once, then waits for all to finish.
try:
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ui.acct(accountname)
accountmetadata = os.path.join(metadatadir, accountname)
if not os.path.exists(accountmetadata):
os.mkdir(accountmetadata, 0700)
host = config.get(accountname, "remotehost")
user = config.get(accountname, "remoteuser")
port = None
if config.has_option(accountname, "remoteport"):
port = config.getint(accountname, "remoteport")
ssl = config.getboolean(accountname, "ssl")
usetunnel = config.has_option(accountname, "preauthtunnel")
reference = '""'
if config.has_option(accountname, "reference"):
reference = config.get(accountname, "reference")
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server = None
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# Connect to the remote server.
if usetunnel:
server = imapserver.IMAPServer(tunnel = tunnels[accountname],
reference = reference,
maxconnections = config.getint(accountname, "maxconnections"))
else:
server = imapserver.IMAPServer(user, passwords[accountname],
host, port, ssl,
config.getint(accountname, "maxconnections"),
reference = reference)
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remoterepos = repository.IMAP.IMAPRepository(config, accountname, server)
# Connect to the Maildirs.
localrepos = repository.Maildir.MaildirRepository(os.path.expanduser(config.get(accountname, "localfolders")))
# Connect to the local cache.
statusrepos = repository.LocalStatus.LocalStatusRepository(accountmetadata)
ui.syncfolders(remoterepos, localrepos)
remoterepos.syncfoldersto(localrepos)
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folderthreads = []
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for remotefolder in remoterepos.getfolders():
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thread = InstanceLimitedThread(\
instancename = 'FOLDER_' + accountname,
target = syncfolder,
name = "syncfolder-%s-%s" % \
(accountname, remotefolder.getvisiblename()),
args = (accountname, remoterepos, remotefolder, localrepos,
statusrepos))
thread.setDaemon(1)
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thread.start()
folderthreads.append(thread)
threadutil.threadsreset(folderthreads)
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server.close()
finally:
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pass
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def syncfolder(accountname, remoterepos, remotefolder, localrepos,
statusrepos):
mailboxes.append({'accountname': accountname,
'foldername': remotefolder.getvisiblename()})
# Load local folder.
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localfolder = localrepos.\
getfolder(remotefolder.getvisiblename().\
replace(remoterepos.getsep(), localrepos.getsep()))
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if not localfolder.isuidvalidityok(remotefolder):
ui.validityproblem(remotefolder)
return
ui.syncingfolder(remoterepos, remotefolder, localrepos, localfolder)
ui.loadmessagelist(localrepos, localfolder)
localfolder.cachemessagelist()
ui.messagelistloaded(localrepos, localfolder, len(localfolder.getmessagelist().keys()))
# Load remote folder.
ui.loadmessagelist(remoterepos, remotefolder)
remotefolder.cachemessagelist()
ui.messagelistloaded(remoterepos, remotefolder,
len(remotefolder.getmessagelist().keys()))
# Load status folder.
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statusfolder = statusrepos.getfolder(remotefolder.getvisiblename().\
replace(remoterepos.getsep(),
statusrepos.getsep()))
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statusfolder.cachemessagelist()
#
if not statusfolder.isnewfolder():
# Delete local copies of remote messages. This way,
# if a message's flag is modified locally but it has been
# deleted remotely, we'll delete it locally. Otherwise, we
# try to modify a deleted message's flags! This step
# need only be taken if a statusfolder is present; otherwise,
# there is no action taken *to* the remote repository.
remotefolder.syncmessagesto_delete(localfolder, [localfolder,
statusfolder])
ui.syncingmessages(localrepos, localfolder, remoterepos, remotefolder)
localfolder.syncmessagesto(statusfolder, [remotefolder, statusfolder])
# Synchronize remote changes.
ui.syncingmessages(remoterepos, remotefolder, localrepos, localfolder)
remotefolder.syncmessagesto(localfolder)
# Make sure the status folder is up-to-date.
ui.syncingmessages(localrepos, localfolder, statusrepos, statusfolder)
localfolder.syncmessagesto(statusfolder)
statusfolder.save()
def syncitall():
global mailboxes
mailboxes = [] # Reset.
threads = []
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for accountname in accounts:
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thread = InstanceLimitedThread(instancename = 'ACCOUNTLIMIT',
target = syncaccount,
name = "syncaccount-%s" % accountname,
args = (accountname,))
thread.setDaemon(1)
thread.start()
threads.append(thread)
# Wait for the threads to finish.
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threadutil.threadsreset(threads)
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mbnames.genmbnames(config, mailboxes)
def sync_with_timer():
currentThread().setExitMessage('SYNC_WITH_TIMER_TERMINATE')
syncitall()
if config.has_option('general', 'autorefresh'):
refreshperiod = config.getint('general', 'autorefresh') * 60
while 1:
if ui.sleep(refreshperiod) == 2:
break
else:
syncitall()
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def threadexited(thread):
if thread.getExitCause() == 'EXCEPTION':
ui.threadException(thread) # Expected to terminate
sys.exit(100) # Just in case...
os._exit(100)
elif thread.getExitMessage() == 'SYNC_WITH_TIMER_TERMINATE':
ui.terminate()
# Just in case...
sys.exit(100)
os._exit(100)
else:
ui.threadExited(thread)
threadutil.initexitnotify()
t = ExitNotifyThread(target=sync_with_timer, name='sync_with_timer')
t.setDaemon(1)
t.start()
try:
threadutil.exitnotifymonitorloop(threadexited)
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except SystemExit:
raise
except:
ui.mainException() # Also expected to terminate.