238 lines
9.4 KiB
Python
238 lines
9.4 KiB
Python
# OfflineIMAP initialization code
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# Copyright (C) 2002-2007 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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import imaplib
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from offlineimap import imapserver, threadutil, version, syncmaster, accounts
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from offlineimap.localeval import LocalEval
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from offlineimap.threadutil import InstanceLimitedThread, ExitNotifyThread
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import offlineimap.ui
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import os, sys
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from offlineimap.CustomConfig import CustomConfigParser
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import threading, socket
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from getopt import getopt
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import signal
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try:
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import fcntl
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hasfcntl = 1
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except:
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hasfcntl = 0
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lockfd = None
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class OfflineImap:
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def lock(self, config, ui):
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global lockfd, hasfcntl
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if not hasfcntl:
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return
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lockfd = open(config.getmetadatadir() + "/lock", "w")
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try:
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fcntl.flock(lockfd, fcntl.LOCK_EX | fcntl.LOCK_NB)
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except IOError:
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ui.locked()
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ui.terminate(1)
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def startup(self, versionno):
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assert versionno == version.versionstr, "Revision of main program (%s) does not match that of library (%s). Please double-check your PYTHONPATH and installation locations." % (versionno, version.versionstr)
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options = {}
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options['-k'] = []
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if '--help' in sys.argv[1:]:
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sys.stdout.write(version.getcmdhelp() + "\n")
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sys.exit(0)
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for optlist in getopt(sys.argv[1:], 'P:1oqa:c:d:l:u:hk:f:')[0]:
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if optlist[0] == '-k':
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options[optlist[0]].append(optlist[1])
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else:
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options[optlist[0]] = optlist[1]
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if options.has_key('-h'):
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sys.stdout.write(version.getcmdhelp())
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sys.stdout.write("\n")
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sys.exit(0)
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configfilename = os.path.expanduser("~/.offlineimaprc")
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if options.has_key('-c'):
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configfilename = options['-c']
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if options.has_key('-P'):
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if not options.has_key('-1'):
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sys.stderr.write("FATAL: profile mode REQUIRES -1\n")
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sys.exit(100)
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profiledir = options['-P']
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os.mkdir(profiledir)
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threadutil.setprofiledir(profiledir)
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sys.stderr.write("WARNING: profile mode engaged;\nPotentially large data will be created in " + profiledir + "\n")
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config = CustomConfigParser()
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if not os.path.exists(configfilename):
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sys.stderr.write(" *** Config file %s does not exist; aborting!\n" % configfilename)
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sys.exit(1)
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config.read(configfilename)
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# override config values with option '-k'
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for option in options['-k']:
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(key, value) = option.split('=', 1)
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if ':' in key:
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(secname, key) = key.split(':', 1)
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section = secname.replace("_", " ")
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else:
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section = "general"
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config.set(section, key, value)
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ui = offlineimap.ui.detector.findUI(config, options.get('-u'))
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offlineimap.ui.UIBase.setglobalui(ui)
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if options.has_key('-l'):
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ui.setlogfd(open(options['-l'], 'wt'))
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ui.init_banner()
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if options.has_key('-d'):
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for debugtype in options['-d'].split(','):
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ui.add_debug(debugtype.strip())
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if debugtype == 'imap':
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imaplib.Debug = 5
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if debugtype == 'thread':
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threading._VERBOSE = 1
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if options.has_key('-o'):
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# FIXME: maybe need a better
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for section in accounts.getaccountlist(config):
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config.remove_option('Account ' + section, "autorefresh")
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if options.has_key('-q'):
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for section in accounts.getaccountlist(config):
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config.set('Account ' + section, "quick", '-1')
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if options.has_key('-f'):
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foldernames = options['-f'].replace(" ", "").split(",")
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folderfilter = "lambda f: f in %s" % foldernames
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folderincludes = "[]"
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for accountname in accounts.getaccountlist(config):
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account_section = 'Account ' + accountname
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remote_repo_section = 'Repository ' + \
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config.get(account_section, 'remoterepository')
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local_repo_section = 'Repository ' + \
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config.get(account_section, 'localrepository')
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for section in [remote_repo_section, local_repo_section]:
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config.set(section, "folderfilter", folderfilter)
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config.set(section, "folderincludes", folderincludes)
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self.lock(config, ui)
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def sigterm_handler(self, signum, frame):
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# die immediately
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ui = BaseUI.getglobalui()
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ui.terminate(errormsg="terminating...")
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signal.signal(signal.SIGTERM,sigterm_handler)
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try:
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pidfd = open(config.getmetadatadir() + "/pid", "w")
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pidfd.write(str(os.getpid()) + "\n")
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pidfd.close()
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except:
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pass
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try:
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if options.has_key('-l'):
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sys.stderr = ui.logfile
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socktimeout = config.getdefaultint("general", "socktimeout", 0)
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if socktimeout > 0:
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socket.setdefaulttimeout(socktimeout)
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activeaccounts = config.get("general", "accounts")
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if options.has_key('-a'):
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activeaccounts = options['-a']
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activeaccounts = activeaccounts.replace(" ", "")
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activeaccounts = activeaccounts.split(",")
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allaccounts = accounts.AccountHashGenerator(config)
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syncaccounts = []
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for account in activeaccounts:
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if account not in allaccounts:
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if len(allaccounts) == 0:
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errormsg = 'The account "%s" does not exist because no accounts are defined!'%account
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else:
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errormsg = 'The account "%s" does not exist. Valid accounts are:'%account
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for name in allaccounts.keys():
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errormsg += '\n%s'%name
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ui.terminate(1, errortitle = 'Unknown Account "%s"'%account, errormsg = errormsg)
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if account not in syncaccounts:
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syncaccounts.append(account)
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server = None
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remoterepos = None
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localrepos = None
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if options.has_key('-1'):
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threadutil.initInstanceLimit("ACCOUNTLIMIT", 1)
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else:
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threadutil.initInstanceLimit("ACCOUNTLIMIT",
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config.getdefaultint("general", "maxsyncaccounts", 1))
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for reposname in config.getsectionlist('Repository'):
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for instancename in ["FOLDER_" + reposname,
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"MSGCOPY_" + reposname]:
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if options.has_key('-1'):
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threadutil.initInstanceLimit(instancename, 1)
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else:
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threadutil.initInstanceLimit(instancename,
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config.getdefaultint('Repository ' + reposname, "maxconnections", 1))
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siglisteners = []
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def sig_handler(signum, frame):
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if signum == signal.SIGUSR1:
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# tell each account to do a full sync asap
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signum = (1,)
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elif signum == signal.SIGHUP:
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# tell each account to die asap
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signum = (2,)
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elif signum == signal.SIGUSR2:
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# tell each account to do a full sync asap, then die
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signum = (1, 2)
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# one listener per account thread (up to maxsyncaccounts)
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for listener in siglisteners:
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for sig in signum:
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listener.put_nowait(sig)
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signal.signal(signal.SIGHUP,sig_handler)
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signal.signal(signal.SIGUSR1,sig_handler)
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signal.signal(signal.SIGUSR2,sig_handler)
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threadutil.initexitnotify()
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t = ExitNotifyThread(target=syncmaster.syncitall,
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name='Sync Runner',
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kwargs = {'accounts': syncaccounts,
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'config': config,
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'siglisteners': siglisteners})
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t.setDaemon(1)
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t.start()
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except:
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ui.mainException()
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try:
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threadutil.exitnotifymonitorloop(threadutil.threadexited)
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except SystemExit:
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raise
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except:
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ui.mainException() # Also expected to terminate.
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