3c481d9ce5
Previously folderfilters had to match both the local AND remote name which caused unwanted behavior in combination with nametrans rules. Make it operate on the untranslated remote names now and clarify in the command line option help text. Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
392 lines
17 KiB
Python
392 lines
17 KiB
Python
# OfflineIMAP initialization code
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# Copyright (C) 2002-2011 John Goerzen & contributors
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import os
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import sys
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import threading
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import offlineimap.imaplib2 as imaplib
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import signal
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import socket
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import logging
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from optparse import OptionParser
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import offlineimap
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from offlineimap import accounts, threadutil, syncmaster
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from offlineimap.error import OfflineImapError
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from offlineimap.ui import UI_LIST, setglobalui, getglobalui
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from offlineimap.CustomConfig import CustomConfigParser
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class OfflineImap:
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"""The main class that encapsulates the high level use of OfflineImap.
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To invoke OfflineImap you would call it with::
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oi = OfflineImap()
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oi.run()
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"""
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def run(self):
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"""Parse the commandline and invoke everything"""
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# next line also sets self.config and self.ui
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options, args = self.parse_cmd_options()
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if options.diagnostics:
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self.serverdiagnostics(options)
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else:
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self.sync(options)
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def parse_cmd_options(self):
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parser = OptionParser(version=offlineimap.__version__,
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description="%s.\n\n%s" %
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(offlineimap.__copyright__,
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offlineimap.__license__))
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parser.add_option("--dry-run",
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action="store_true", dest="dryrun",
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default=False,
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help="Do not actually modify any store but check and print "
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"what synchronization actions would be taken if a sync would be"
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" performed. It will not precisely give the exact information w"
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"hat will happen. If e.g. we need to create a folder, it merely"
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" outputs 'Would create folder X', but not how many and which m"
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"ails it would transfer.")
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parser.add_option("--info",
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action="store_true", dest="diagnostics",
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default=False,
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help="Output information on the configured email repositories"
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". Useful for debugging and bug reporting. Use in conjunction wit"
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"h the -a option to limit the output to a single account. This mo"
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"de will prevent any actual sync to occur and exits after it outp"
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"ut the debug information.")
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parser.add_option("-1",
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action="store_true", dest="singlethreading",
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default=False,
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help="Disable all multithreading operations and use "
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"solely a single-thread sync. This effectively sets the "
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"maxsyncaccounts and all maxconnections configuration file "
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"variables to 1.")
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parser.add_option("-P", dest="profiledir", metavar="DIR",
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help="Sets OfflineIMAP into profile mode. The program "
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"will create DIR (it must not already exist). "
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"As it runs, Python profiling information about each "
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"thread is logged into profiledir. Please note: "
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"This option is present for debugging and optimization "
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"only, and should NOT be used unless you have a "
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"specific reason to do so. It will significantly "
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"decrease program performance, may reduce reliability, "
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"and can generate huge amounts of data. This option "
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"implies the -1 option.")
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parser.add_option("-a", dest="accounts", metavar="ACCOUNTS",
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help="Overrides the accounts section in the config file. "
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"Lets you specify a particular account or set of "
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"accounts to sync without having to edit the config "
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"file. You might use this to exclude certain accounts, "
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"or to sync some accounts that you normally prefer not to.")
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parser.add_option("-c", dest="configfile", metavar="FILE",
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default="~/.offlineimaprc",
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help="Specifies a configuration file to use in lieu of "
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"%default.")
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parser.add_option("-d", dest="debugtype", metavar="type1,[type2...]",
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help="Enables debugging for OfflineIMAP. This is useful "
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"if you are to track down a malfunction or figure out what is "
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"going on under the hood. This option requires one or more "
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"debugtypes, separated by commas. These define what exactly "
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"will be debugged, and so far include two options: imap, thread, "
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"maildir or ALL. The imap option will enable IMAP protocol "
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"stream and parsing debugging. Note that the output may contain "
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"passwords, so take care to remove that from the debugging "
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"output before sending it to anyone else. The maildir option "
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"will enable debugging for certain Maildir operations. "
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"The use of any debug option (unless 'thread' is included), "
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"implies the single-thread option -1.")
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parser.add_option("-l", dest="logfile", metavar="FILE",
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help="Log to FILE")
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parser.add_option("-f", dest="folders", metavar="folder1,[folder2...]",
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help="Only sync the specified folders. The folder names "
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"are the *untranslated* foldernames of the remote repository. "
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"This command-line option overrides any 'folderfilter' "
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"and 'folderincludes' options in the configuration file.")
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parser.add_option("-k", dest="configoverride",
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action="append",
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metavar="[section:]option=value",
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help=
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"""Override configuration file option. If"section" is
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omitted, it defaults to "general". Any underscores
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in the section name are replaced with spaces:
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for instance, to override option "autorefresh" in
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the "[Account Personal]" section in the config file
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one would use "-k Account_Personal:autorefresh=30".""")
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parser.add_option("-o",
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action="store_true", dest="runonce",
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default=False,
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help="Run only once, ignoring any autorefresh setting "
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"in the configuration file.")
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parser.add_option("-q",
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action="store_true", dest="quick",
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default=False,
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help="Run only quick synchronizations. Ignore any "
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"flag updates on IMAP servers (if a flag on the remote IMAP "
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"changes, and we have the message locally, it will be left "
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"untouched in a quick run.")
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parser.add_option("-u", dest="interface",
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help="Specifies an alternative user interface to "
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"use. This overrides the default specified in the "
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"configuration file. The UI specified with -u will "
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"be forced to be used, even if checks determine that it is "
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"not usable. Possible interface choices are: %s " %
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", ".join(UI_LIST.keys()))
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(options, args) = parser.parse_args()
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#read in configuration file
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configfilename = os.path.expanduser(options.configfile)
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config = CustomConfigParser()
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if not os.path.exists(configfilename):
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# TODO, initialize and make use of chosen ui for logging
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logging.error(" *** Config file '%s' does not exist; aborting!" %
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configfilename)
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sys.exit(1)
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config.read(configfilename)
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#profile mode chosen?
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if options.profiledir:
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if not options.singlethreading:
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# TODO, make use of chosen ui for logging
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logging.warn("Profile mode: Forcing to singlethreaded.")
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options.singlethreading = True
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if os.path.exists(options.profiledir):
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# TODO, make use of chosen ui for logging
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logging.warn("Profile mode: Directory '%s' already exists!" %
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options.profiledir)
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else:
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os.mkdir(options.profiledir)
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threadutil.ExitNotifyThread.set_profiledir(options.profiledir)
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# TODO, make use of chosen ui for logging
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logging.warn("Profile mode: Potentially large data will be "
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"created in '%s'" % options.profiledir)
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#override a config value
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if options.configoverride:
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for option in options.configoverride:
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(key, value) = option.split('=', 1)
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if ':' in key:
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(secname, key) = key.split(':', 1)
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section = secname.replace("_", " ")
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else:
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section = "general"
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config.set(section, key, value)
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#which ui to use? cmd line option overrides config file
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ui_type = config.getdefault('general','ui', 'ttyui')
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if options.interface != None:
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ui_type = options.interface
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if '.' in ui_type:
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#transform Curses.Blinkenlights -> Blinkenlights
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ui_type = ui_type.split('.')[-1]
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# TODO, make use of chosen ui for logging
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logging.warning('Using old interface name, consider using one '
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'of %s' % ', '.join(UI_LIST.keys()))
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if options.diagnostics: ui_type = 'basic' # enforce basic UI for --info
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#dry-run? Set [general]dry-run=True
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if options.dryrun:
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dryrun = config.set('general','dry-run', "True")
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config.set_if_not_exists('general','dry-run','False')
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try:
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# create the ui class
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self.ui = UI_LIST[ui_type.lower()](config)
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except KeyError:
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logging.error("UI '%s' does not exist, choose one of: %s" % \
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(ui_type,', '.join(UI_LIST.keys())))
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sys.exit(1)
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setglobalui(self.ui)
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#set up additional log files
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if options.logfile:
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self.ui.setlogfile(options.logfile)
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#welcome blurb
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self.ui.init_banner()
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if options.debugtype:
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self.ui.logger.setLevel(logging.DEBUG)
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if options.debugtype.lower() == 'all':
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options.debugtype = 'imap,maildir,thread'
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#force single threading?
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if not ('thread' in options.debugtype.split(',') \
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and not options.singlethreading):
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self.ui._msg("Debug mode: Forcing to singlethreaded.")
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options.singlethreading = True
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debugtypes = options.debugtype.split(',') + ['']
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for type in debugtypes:
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type = type.strip()
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self.ui.add_debug(type)
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if type.lower() == 'imap':
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imaplib.Debug = 5
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if options.runonce:
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# FIXME: maybe need a better
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for section in accounts.getaccountlist(config):
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config.remove_option('Account ' + section, "autorefresh")
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if options.quick:
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for section in accounts.getaccountlist(config):
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config.set('Account ' + section, "quick", '-1')
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#custom folder list specified?
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if options.folders:
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foldernames = options.folders.split(",")
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folderfilter = "lambda f: f in %s" % foldernames
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folderincludes = "[]"
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for accountname in accounts.getaccountlist(config):
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account_section = 'Account ' + accountname
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remote_repo_section = 'Repository ' + \
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config.get(account_section, 'remoterepository')
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config.set(remote_repo_section, "folderfilter", folderfilter)
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config.set(remote_repo_section, "folderincludes",
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folderincludes)
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if options.logfile:
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sys.stderr = self.ui.logfile
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socktimeout = config.getdefaultint("general", "socktimeout", 0)
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if socktimeout > 0:
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socket.setdefaulttimeout(socktimeout)
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threadutil.initInstanceLimit('ACCOUNTLIMIT',
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config.getdefaultint('general', 'maxsyncaccounts', 1))
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for reposname in config.getsectionlist('Repository'):
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for instancename in ["FOLDER_" + reposname,
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"MSGCOPY_" + reposname]:
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if options.singlethreading:
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threadutil.initInstanceLimit(instancename, 1)
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else:
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threadutil.initInstanceLimit(instancename,
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config.getdefaultint('Repository ' + reposname,
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'maxconnections', 2))
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self.config = config
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return (options, args)
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def sync(self, options):
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"""Invoke the correct single/multithread syncing
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self.config is supposed to have been correctly initialized
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already."""
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try:
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pidfd = open(self.config.getmetadatadir() + "/pid", "w")
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pidfd.write(str(os.getpid()) + "\n")
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pidfd.close()
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except:
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pass
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try:
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activeaccounts = self.config.get("general", "accounts")
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if options.accounts:
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activeaccounts = options.accounts
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activeaccounts = activeaccounts.replace(" ", "")
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activeaccounts = activeaccounts.split(",")
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allaccounts = accounts.AccountHashGenerator(self.config)
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syncaccounts = []
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for account in activeaccounts:
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if account not in allaccounts:
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if len(allaccounts) == 0:
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errormsg = "The account '%s' does not exist because no"\
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" accounts are defined!" % account
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else:
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errormsg = "The account '%s' does not exist. Valid ac"\
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"counts are: " % account
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errormsg += ", ".join(allaccounts.keys())
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self.ui.terminate(1, errormsg = errormsg)
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if account not in syncaccounts:
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syncaccounts.append(account)
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def sig_handler(sig, frame):
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if sig == signal.SIGUSR1 or sig == signal.SIGHUP:
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# tell each account to stop sleeping
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accounts.Account.set_abort_event(self.config, 1)
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elif sig == signal.SIGUSR2:
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# tell each account to stop looping
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getglobalui().warn("Terminating after this sync...")
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accounts.Account.set_abort_event(self.config, 2)
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elif sig == signal.SIGTERM or sig == signal.SIGINT:
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# tell each account to ABORT ASAP (ctrl-c)
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getglobalui().warn("Terminating NOW (this may "\
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"take a few seconds)...")
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accounts.Account.set_abort_event(self.config, 3)
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signal.signal(signal.SIGHUP,sig_handler)
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signal.signal(signal.SIGUSR1,sig_handler)
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signal.signal(signal.SIGUSR2,sig_handler)
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signal.signal(signal.SIGTERM, sig_handler)
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signal.signal(signal.SIGINT, sig_handler)
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#various initializations that need to be performed:
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offlineimap.mbnames.init(self.config, syncaccounts)
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if options.singlethreading:
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#singlethreaded
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self.sync_singlethreaded(syncaccounts)
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else:
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# multithreaded
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t = threadutil.ExitNotifyThread(target=syncmaster.syncitall,
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name='Sync Runner',
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kwargs = {'accounts': syncaccounts,
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'config': self.config})
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t.start()
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threadutil.exitnotifymonitorloop(threadutil.threadexited)
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self.ui.terminate()
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except (SystemExit):
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raise
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except Exception as e:
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self.ui.error(e)
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self.ui.terminate()
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def sync_singlethreaded(self, accs):
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"""Executed if we do not want a separate syncmaster thread
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:param accs: A list of accounts that should be synced
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"""
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for accountname in accs:
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account = offlineimap.accounts.SyncableAccount(self.config,
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accountname)
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threading.currentThread().name = "Account sync %s" % accountname
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account.syncrunner()
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def serverdiagnostics(self, options):
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activeaccounts = self.config.get("general", "accounts")
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if options.accounts:
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activeaccounts = options.accounts
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activeaccounts = activeaccounts.split(",")
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allaccounts = accounts.AccountListGenerator(self.config)
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for account in allaccounts:
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if account.name not in activeaccounts: continue
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account.serverdiagnostics()
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