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

   1 # OfflineIMAP initialization code
   2 # Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19 from offlineimap import imaplib, imapserver, repository, folder, mbnames, threadutil, version, syncmaster
  20 from offlineimap.localeval import LocalEval
  21 from offlineimap.threadutil import InstanceLimitedThread, ExitNotifyThread
  22 from offlineimap.ui import UIBase
  23 import re, os, os.path, offlineimap, sys, fcntl
  24 from offlineimap.CustomConfig import CustomConfigParser
  25 from threading import *
  26 from getopt import getopt
  27
  28 lockfd = None
  29
  30 def lock(config, ui):
  31     global lockfd
  32     lockfd = open(config.getmetadatadir() + "/lock", "w")
  33     try:
  34         fcntl.flock(lockfd, fcntl.LOCK_EX | fcntl.LOCK_NB)
  35     except IOError:
  36         ui.locked()
  37         ui.terminate(1)
  38
  39 def startup(versionno):
  40     assert versionno == version.versionstr, "Revision of main program (%d) does not match that of library (%d).  Please double-check your PYTHONPATH and installation locations." % (revno, version.revno)
  41     options = {}
  42     if '--help' in sys.argv[1:]:
  43         sys.stdout.write(version.cmdhelp + "\n")
  44         sys.exit(0)
  45
  46     for optlist in getopt(sys.argv[1:], 'P:1oa:c:d:u:h')[0]:
  47         options[optlist[0]] = optlist[1]
  48
  49     if '-h' in options:
  50         sys.stdout.write(version.cmdhelp)
  51         sys.stdout.write("\n")
  52         sys.exit(0)
  53     configfilename = os.path.expanduser("~/.offlineimaprc")
  54     if '-c' in options:
  55         configfilename = options['-c']
  56     if '-P' in options:
  57         if not '-1' in options:
  58             sys.stderr.write("FATAL: profile mode REQUIRES -1\n")
  59             sys.exit(100)
  60         profiledir = options['-P']
  61         os.mkdir(profiledir)
  62         threadutil.setprofiledir(profiledir)
  63         sys.stderr.write("WARNING: profile mode engaged;\nPotentially large data will be created in " + profiledir + "\n")
  64
  65     config = CustomConfigParser()
  66     if not os.path.exists(configfilename):
  67         sys.stderr.write(" *** Config file %s does not exist; aborting!\n" % configfilename)
  68         sys.exit(1)
  69
  70     config.read(configfilename)
  71
  72     ui = offlineimap.ui.detector.findUI(config, options.get('-u'))
  73     ui.init_banner()
  74     UIBase.setglobalui(ui)
  75
  76     if '-d' in options:
  77         for debugtype in options['-d'].split(','):
  78             ui.add_debug(debugtype.strip())
  79             if debugtype == 'imap':
  80                 imaplib.Debug = 5
  81
  82     if '-o' in options:
  83         for section in config.getaccountlist():
  84             config.remove_option(section, "autorefresh")
  85
  86     lock(config, ui)
  87
  88     accounts = config.get("general", "accounts")
  89     if '-a' in options:
  90         accounts = options['-a']
  91     accounts = accounts.replace(" ", "")
  92     accounts = accounts.split(",")
  93
  94     server = None
  95     remoterepos = None
  96     localrepos = None
  97
  98     if '-1' in options:
  99         threadutil.initInstanceLimit("ACCOUNTLIMIT", 1)
 100     else:
 101         threadutil.initInstanceLimit("ACCOUNTLIMIT",
 102                                      config.getdefaultint("general", "maxsyncaccounts", 1))
 103
 104     for account in accounts:
 105         for instancename in ["FOLDER_" + account, "MSGCOPY_" + account]:
 106             if '-1' in options:
 107                 threadutil.initInstanceLimit(instancename, 1)
 108             else:
 109                 threadutil.initInstanceLimit(instancename,
 110                                              config.getdefaultint(account, "maxconnections", 1))
 111
 112     threadutil.initexitnotify()
 113     t = ExitNotifyThread(target=syncmaster.syncitall,
 114                          name='Sync Runner',
 115                          kwargs = {'accounts': accounts,
 116                                    'config': config})
 117     t.setDaemon(1)
 118     t.start()
 119     try:
 120         threadutil.exitnotifymonitorloop(threadutil.threadexited)
 121     except SystemExit:
 122         raise
 123     except:
 124         ui.mainException()                  # Also expected to terminate.
 125
 126