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.getcmdhelp() + "\n")
  54         sys.exit(0)
  55
  56     for optlist in getopt(sys.argv[1:], 'P:1oqa:c:d:l:u:h')[0]:
  57         options[optlist[0]] = optlist[1]
  58
  59     if options.has_key('-h'):
  60         sys.stdout.write(version.getcmdhelp())
  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     if options.has_key('-q'):
 104         for section in accounts.getaccountlist(config):
 105             config.set('Account ' + section, "quick", '-1')
 106
 107     lock(config, ui)
 108
 109     try:
 110         pidfd = open(config.getmetadatadir() + "/pid", "w")
 111         pidfd.write(os.getpid())
 112         pidfd.close()
 113     except:
 114         pass
 115
 116     try:
 117         if options.has_key('-l'):
 118             sys.stderr = ui.logfile
 119
 120         socktimeout = config.getdefaultint("general", "socktimeout", 0)
 121         if socktimeout > 0:
 122             socket.setdefaulttimeout(socktimeout)
 123
 124         activeaccounts = config.get("general", "accounts")
 125         if options.has_key('-a'):
 126             activeaccounts = options['-a']
 127         activeaccounts = activeaccounts.replace(" ", "")
 128         activeaccounts = activeaccounts.split(",")
 129         allaccounts = accounts.AccountHashGenerator(config)
 130
 131         syncaccounts = {}
 132         for account in activeaccounts:
 133             if account not in allaccounts:
 134                 if len(allaccounts) == 0:
 135                     errormsg = 'The account "%s" does not exist because no accounts are defined!'%account
 136                 else:
 137                     errormsg = 'The account "%s" does not exist.  Valid accounts are:'%account
 138                     for name in allaccounts.keys():
 139                         errormsg += '\n%s'%name
 140                 ui.terminate(1, errortitle = 'Unknown Account "%s"'%account, errormsg = errormsg)
 141             syncaccounts[account] = allaccounts[account]
 142
 143         server = None
 144         remoterepos = None
 145         localrepos = None
 146
 147         if options.has_key('-1'):
 148             threadutil.initInstanceLimit("ACCOUNTLIMIT", 1)
 149         else:
 150             threadutil.initInstanceLimit("ACCOUNTLIMIT",
 151                                          config.getdefaultint("general", "maxsyncaccounts", 1))
 152
 153         for reposname in config.getsectionlist('Repository'):
 154             for instancename in ["FOLDER_" + reposname,
 155                                  "MSGCOPY_" + reposname]:
 156                 if options.has_key('-1'):
 157                     threadutil.initInstanceLimit(instancename, 1)
 158                 else:
 159                     threadutil.initInstanceLimit(instancename,
 160                                                  config.getdefaultint('Repository ' + reposname, "maxconnections", 1))
 161
 162         threadutil.initexitnotify()
 163         t = ExitNotifyThread(target=syncmaster.syncitall,
 164                              name='Sync Runner',
 165                              kwargs = {'accounts': syncaccounts,
 166                                        'config': config})
 167         t.setDaemon(1)
 168         t.start()
 169     except:
 170         ui.mainException()
 171
 172     try:
 173         threadutil.exitnotifymonitorloop(threadutil.threadexited)
 174     except SystemExit:
 175         raise
 176     except:
 177         ui.mainException()                  # Also expected to terminate.
 178
 179