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
  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         activeaccounts = config.get("general", "accounts")
 110         if options.has_key('-a'):
 111             activeaccounts = options['-a']
 112         activeaccounts = activeaccounts.replace(" ", "")
 113         activeaccounts = activeaccounts.split(",")
 114         allaccounts = accounts.AccountHashGenerator(config)
 115
 116         syncaccounts = {}
 117         for account in activeaccounts:
 118             if account not in allaccounts:
 119                 if len(allaccounts) == 0:
 120                     errormsg = 'The account "%s" does not exist because no accounts are defined!'%account
 121                 else:
 122                     errormsg = 'The account "%s" does not exist.  Valid accounts are:'%account
 123                     for name in allaccounts.keys():
 124                         errormsg += '\n%s'%name
 125                 ui.terminate(1, errortitle = 'Unknown Account "%s"'%account, errormsg = errormsg)
 126             syncaccounts[account] = allaccounts[account]
 127
 128         server = None
 129         remoterepos = None
 130         localrepos = None
 131
 132         if options.has_key('-1'):
 133             threadutil.initInstanceLimit("ACCOUNTLIMIT", 1)
 134         else:
 135             threadutil.initInstanceLimit("ACCOUNTLIMIT",
 136                                          config.getdefaultint("general", "maxsyncaccounts", 1))
 137
 138         for reposname in config.getsectionlist('Repository'):
 139             for instancename in ["FOLDER_" + reposname,
 140                                  "MSGCOPY_" + reposname]:
 141                 if options.has_key('-1'):
 142                     threadutil.initInstanceLimit(instancename, 1)
 143                 else:
 144                     threadutil.initInstanceLimit(instancename,
 145                                                  config.getdefaultint('Repository ' + reposname, "maxconnections", 1))
 146
 147         threadutil.initexitnotify()
 148         t = ExitNotifyThread(target=syncmaster.syncitall,
 149                              name='Sync Runner',
 150                              kwargs = {'accounts': syncaccounts,
 151                                        'config': config})
 152         t.setDaemon(1)
 153         t.start()
 154     except:
 155         ui.mainException()
 156
 157     try:
 158         threadutil.exitnotifymonitorloop(threadutil.threadexited)
 159     except SystemExit:
 160         raise
 161     except:
 162         ui.mainException()                  # Also expected to terminate.
 163
 164