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:hk:f:')[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     # override config values with option '-k'
  83     for option in options.keys():
  84         if option == '-k':
  85             (key, value) = options['-k'].split('=', 1)
  86             if ':' in key:
  87                 (secname, key) = key.split(':', 1)
  88                 section = secname.replace("_", " ")
  89             else:
  90                 section = "general"
  91             config.set(section, key, value)
  92
  93     ui = offlineimap.ui.detector.findUI(config, options.get('-u'))
  94     UIBase.setglobalui(ui)
  95
  96     if options.has_key('-l'):
  97         ui.setlogfd(open(options['-l'], 'wt'))
  98
  99     ui.init_banner()
 100
 101     if options.has_key('-d'):
 102         for debugtype in options['-d'].split(','):
 103             ui.add_debug(debugtype.strip())
 104             if debugtype == 'imap':
 105                 imaplib.Debug = 5
 106             if debugtype == 'thread':
 107                 threading._VERBOSE = 1
 108
 109     if options.has_key('-o'):
 110         # FIXME: maybe need a better
 111         for section in accounts.getaccountlist(config):
 112             config.remove_option('Account ' + section, "autorefresh")
 113
 114     if options.has_key('-q'):
 115         for section in accounts.getaccountlist(config):
 116             config.set('Account ' + section, "quick", '-1')
 117
 118     if options.has_key('-f'):
 119         foldernames = options['-f'].replace(" ", "").split(",")
 120         folderfilter = "lambda f: f in %s" % foldernames
 121         folderincludes = "[]"
 122         for accountname in accounts.getaccountlist(config):
 123             account_section = 'Account ' + accountname
 124             remote_repo_section = 'Repository ' + \
 125                                   config.get(account_section, 'remoterepository')
 126             local_repo_section = 'Repository ' + \
 127                                  config.get(account_section, 'localrepository')
 128             for section in [remote_repo_section, local_repo_section]:
 129                 config.set(section, "folderfilter", folderfilter)
 130                 config.set(section, "folderincludes", folderincludes)
 131
 132     lock(config, ui)
 133
 134     try:
 135         pidfd = open(config.getmetadatadir() + "/pid", "w")
 136         pidfd.write(str(os.getpid()) + "\n")
 137         pidfd.close()
 138     except:
 139         pass
 140
 141     try:
 142         if options.has_key('-l'):
 143             sys.stderr = ui.logfile
 144
 145         socktimeout = config.getdefaultint("general", "socktimeout", 0)
 146         if socktimeout > 0:
 147             socket.setdefaulttimeout(socktimeout)
 148
 149         activeaccounts = config.get("general", "accounts")
 150         if options.has_key('-a'):
 151             activeaccounts = options['-a']
 152         activeaccounts = activeaccounts.replace(" ", "")
 153         activeaccounts = activeaccounts.split(",")
 154         allaccounts = accounts.AccountHashGenerator(config)
 155
 156         syncaccounts = {}
 157         for account in activeaccounts:
 158             if account not in allaccounts:
 159                 if len(allaccounts) == 0:
 160                     errormsg = 'The account "%s" does not exist because no accounts are defined!'%account
 161                 else:
 162                     errormsg = 'The account "%s" does not exist.  Valid accounts are:'%account
 163                     for name in allaccounts.keys():
 164                         errormsg += '\n%s'%name
 165                 ui.terminate(1, errortitle = 'Unknown Account "%s"'%account, errormsg = errormsg)
 166             syncaccounts[account] = allaccounts[account]
 167
 168         server = None
 169         remoterepos = None
 170         localrepos = None
 171
 172         if options.has_key('-1'):
 173             threadutil.initInstanceLimit("ACCOUNTLIMIT", 1)
 174         else:
 175             threadutil.initInstanceLimit("ACCOUNTLIMIT",
 176                                          config.getdefaultint("general", "maxsyncaccounts", 1))
 177
 178         for reposname in config.getsectionlist('Repository'):
 179             for instancename in ["FOLDER_" + reposname,
 180                                  "MSGCOPY_" + reposname]:
 181                 if options.has_key('-1'):
 182                     threadutil.initInstanceLimit(instancename, 1)
 183                 else:
 184                     threadutil.initInstanceLimit(instancename,
 185                                                  config.getdefaultint('Repository ' + reposname, "maxconnections", 1))
 186
 187         threadutil.initexitnotify()
 188         t = ExitNotifyThread(target=syncmaster.syncitall,
 189                              name='Sync Runner',
 190                              kwargs = {'accounts': syncaccounts,
 191                                        'config': config})
 192         t.setDaemon(1)
 193         t.start()
 194     except:
 195         ui.mainException()
 196
 197     try:
 198         threadutil.exitnotifymonitorloop(threadutil.threadexited)
 199     except SystemExit:
 200         raise
 201     except:
 202         ui.mainException()                  # Also expected to terminate.
 203
 204