code.delx.au - offlineimap/blob - offlineimap/init.py

   1 # OfflineIMAP initialization code
   2 # Copyright (C) 2002-2007 John Goerzen
   3 # <jgoerzen@complete.org>
   4 #
   5 #    This program is free software; you can redistribute it and/or modify
   6 #    it under the terms of the GNU General Public License as published by
   7 #    the Free Software Foundation; either version 2 of the License, or
   8 #    (at your option) any later version.
   9 #
  10 #    This program is distributed in the hope that it will be useful,
  11 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #    GNU General Public License for more details.
  14 #
  15 #    You should have received a copy of the GNU General Public License
  16 #    along with this program; if not, write to the Free Software
  17 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  18
  19 import imaplib
  20 from offlineimap import imapserver, repository, folder, mbnames, threadutil, version, syncmaster, accounts
  21 from offlineimap.localeval import LocalEval
  22 from offlineimap.threadutil import InstanceLimitedThread, ExitNotifyThread
  23 from offlineimap.ui import UIBase
  24 import re, os, os.path, offlineimap, sys
  25 from offlineimap.CustomConfig import CustomConfigParser
  26 from threading import *
  27 import threading, socket
  28 from getopt import getopt
  29
  30 try:
  31     import fcntl
  32     hasfcntl = 1
  33 except:
  34     hasfcntl = 0
  35
  36 lockfd = None
  37
  38 def lock(config, ui):
  39     global lockfd, hasfcntl
  40     if not hasfcntl:
  41         return
  42     lockfd = open(config.getmetadatadir() + "/lock", "w")
  43     try:
  44         fcntl.flock(lockfd, fcntl.LOCK_EX | fcntl.LOCK_NB)
  45     except IOError:
  46         ui.locked()
  47         ui.terminate(1)
  48
  49 def startup(versionno):
  50     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)
  51     options = {}
  52     if '--help' in sys.argv[1:]:
  53         sys.stdout.write(version.cmdhelp + "\n")
  54         sys.exit(0)
  55
  56     for optlist in getopt(sys.argv[1:], 'P:1oa:c:d:l:u:h')[0]:
  57         options[optlist[0]] = optlist[1]
  58
  59     if options.has_key('-h'):
  60         sys.stdout.write(version.cmdhelp)
  61         sys.stdout.write("\n")
  62         sys.exit(0)
  63     configfilename = os.path.expanduser("~/.offlineimaprc")
  64     if options.has_key('-c'):
  65         configfilename = options['-c']
  66     if options.has_key('-P'):
  67         if not options.has_key('-1'):
  68             sys.stderr.write("FATAL: profile mode REQUIRES -1\n")
  69             sys.exit(100)
  70         profiledir = options['-P']
  71         os.mkdir(profiledir)
  72         threadutil.setprofiledir(profiledir)
  73         sys.stderr.write("WARNING: profile mode engaged;\nPotentially large data will be created in " + profiledir + "\n")
  74
  75     config = CustomConfigParser()
  76     if not os.path.exists(configfilename):
  77         sys.stderr.write(" *** Config file %s does not exist; aborting!\n" % configfilename)
  78         sys.exit(1)
  79
  80     config.read(configfilename)
  81
  82     ui = offlineimap.ui.detector.findUI(config, options.get('-u'))
  83     UIBase.setglobalui(ui)
  84
  85     if options.has_key('-l'):
  86         ui.setlogfd(open(options['-l'], 'wt'))
  87
  88     ui.init_banner()
  89
  90     if options.has_key('-d'):
  91         for debugtype in options['-d'].split(','):
  92             ui.add_debug(debugtype.strip())
  93             if debugtype == 'imap':
  94                 imaplib.Debug = 5
  95             if debugtype == 'thread':
  96                 threading._VERBOSE = 1
  97
  98     if options.has_key('-o'):
  99         # FIXME: maybe need a better
 100         for section in accounts.getaccountlist(config):
 101             config.remove_option('Account ' + section, "autorefresh")
 102
 103     lock(config, ui)
 104
 105     try:
 106         if options.has_key('-l'):
 107             sys.stderr = ui.logfile
 108
 109         socktimeout = config.getdefaultint("general", "socktimeout", 0)
 110         if socktimeout > 0:
 111             socket.setdefaulttimeout(socktimeout)
 112
 113         activeaccounts = config.get("general", "accounts")
 114         if options.has_key('-a'):
 115             activeaccounts = options['-a']
 116         activeaccounts = activeaccounts.replace(" ", "")
 117         activeaccounts = activeaccounts.split(",")
 118         allaccounts = accounts.AccountHashGenerator(config)
 119
 120         syncaccounts = {}
 121         for account in activeaccounts:
 122             if account not in allaccounts:
 123                 if len(allaccounts) == 0:
 124                     errormsg = 'The account "%s" does not exist because no accounts are defined!'%account
 125                 else:
 126                     errormsg = 'The account "%s" does not exist.  Valid accounts are:'%account
 127                     for name in allaccounts.keys():
 128                         errormsg += '\n%s'%name
 129                 ui.terminate(1, errortitle = 'Unknown Account "%s"'%account, errormsg = errormsg)
 130             syncaccounts[account] = allaccounts[account]
 131
 132         server = None
 133         remoterepos = None
 134         localrepos = None
 135
 136         if options.has_key('-1'):
 137             threadutil.initInstanceLimit("ACCOUNTLIMIT", 1)
 138         else:
 139             threadutil.initInstanceLimit("ACCOUNTLIMIT",
 140                                          config.getdefaultint("general", "maxsyncaccounts", 1))
 141
 142         for reposname in config.getsectionlist('Repository'):
 143             for instancename in ["FOLDER_" + reposname,
 144                                  "MSGCOPY_" + reposname]:
 145                 if options.has_key('-1'):
 146                     threadutil.initInstanceLimit(instancename, 1)
 147                 else:
 148                     threadutil.initInstanceLimit(instancename,
 149                                                  config.getdefaultint('Repository ' + reposname, "maxconnections", 1))
 150
 151         threadutil.initexitnotify()
 152         t = ExitNotifyThread(target=syncmaster.syncitall,
 153                              name='Sync Runner',
 154                              kwargs = {'accounts': syncaccounts,
 155                                        'config': config})
 156         t.setDaemon(1)
 157         t.start()
 158     except:
 159         ui.mainException()
 160
 161     try:
 162         threadutil.exitnotifymonitorloop(threadutil.threadexited)
 163     except SystemExit:
 164         raise
 165     except:
 166         ui.mainException()                  # Also expected to terminate.
 167
 168