b6807355b5
IMAP, Maildir, and LocalStatus abort if in dry-run mode. IMAP and Maildir will log that they "would have" created a new folder. This will probably fail later on as we can not cache messagelists on folder that don't exist, so --dry-run is not yet safe when new folders have been created. Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
206 lines
8.7 KiB
Python
206 lines
8.7 KiB
Python
# Maildir repository support
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# Copyright (C) 2002 John Goerzen
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# <jgoerzen@complete.org>
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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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from offlineimap import folder
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from offlineimap.ui import getglobalui
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from offlineimap.error import OfflineImapError
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from offlineimap.repository.Base import BaseRepository
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import os
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from stat import *
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class MaildirRepository(BaseRepository):
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def __init__(self, reposname, account):
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"""Initialize a MaildirRepository object. Takes a path name
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to the directory holding all the Maildir directories."""
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BaseRepository.__init__(self, reposname, account)
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self.root = self.getlocalroot()
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self.folders = None
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self.ui = getglobalui()
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self.debug("MaildirRepository initialized, sep is " + repr(self.getsep()))
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self.folder_atimes = []
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# Create the top-level folder if it doesn't exist
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if not os.path.isdir(self.root):
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os.mkdir(self.root, 0o700)
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def _append_folder_atimes(self, foldername):
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"""Store the atimes of a folder's new|cur in self.folder_atimes"""
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p = os.path.join(self.root, foldername)
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new = os.path.join(p, 'new')
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cur = os.path.join(p, 'cur')
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atimes = (p, os.path.getatime(new), os.path.getatime(cur))
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self.folder_atimes.append(atimes)
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def restore_atime(self):
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"""Sets folders' atime back to their values after a sync
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Controlled by the 'restoreatime' config parameter."""
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if not self.getconfboolean('restoreatime', False):
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return # not configured to restore
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for (dirpath, new_atime, cur_atime) in self.folder_atimes:
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new_dir = os.path.join(dirpath, 'new')
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cur_dir = os.path.join(dirpath, 'cur')
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os.utime(new_dir, (new_atime, os.path.getmtime(new_dir)))
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os.utime(cur_dir, (cur_atime, os.path.getmtime(cur_dir)))
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def getlocalroot(self):
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return os.path.expanduser(self.getconf('localfolders'))
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def debug(self, msg):
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self.ui.debug('maildir', msg)
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def getsep(self):
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return self.getconf('sep', '.').strip()
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def makefolder(self, foldername):
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"""Create new Maildir folder if necessary
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This will not update the list cached in getfolders(). You will
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need to invoke :meth:`forgetfolders` to force new caching when
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you are done creating folders yourself.
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:param foldername: A relative mailbox name. The maildir will be
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created in self.root+'/'+foldername. All intermediate folder
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levels will be created if they do not exist yet. 'cur',
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'tmp', and 'new' subfolders will be created in the maildir.
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"""
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self.ui.makefolder(self, foldername)
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if self.account.dryrun:
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return
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full_path = os.path.abspath(os.path.join(self.root, foldername))
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# sanity tests
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if self.getsep() == '/':
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for component in foldername.split('/'):
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assert not component in ['new', 'cur', 'tmp'],\
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"When using nested folders (/ as a Maildir separator), "\
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"folder names may not contain 'new', 'cur', 'tmp'."
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assert foldername.find('../') == -1, "Folder names may not contain ../"
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assert not foldername.startswith('/'), "Folder names may not begin with /"
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# If we're using hierarchical folders, it's possible that
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# sub-folders may be created before higher-up ones.
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self.debug("makefolder: calling makedirs '%s'" % full_path)
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try:
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os.makedirs(full_path, 0o700)
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except OSError as e:
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if e.errno == 17 and os.path.isdir(full_path):
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self.debug("makefolder: '%s' already a directory" % foldername)
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else:
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raise
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for subdir in ['cur', 'new', 'tmp']:
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try:
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os.mkdir(os.path.join(full_path, subdir), 0o700)
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except OSError as e:
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if e.errno == 17 and os.path.isdir(full_path):
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self.debug("makefolder: '%s' already has subdir %s" %
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(foldername, subdir))
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else:
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raise
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def deletefolder(self, foldername):
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self.ui.warn("NOT YET IMPLEMENTED: DELETE FOLDER %s" % foldername)
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def getfolder(self, foldername):
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"""Return a Folder instance of this Maildir
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If necessary, scan and cache all foldernames to make sure that
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we only return existing folders and that 2 calls with the same
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name will return the same object."""
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# getfolders() will scan and cache the values *if* necessary
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folders = self.getfolders()
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for folder in folders:
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if foldername == folder.name:
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return folder
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raise OfflineImapError("getfolder() asked for a nonexisting "
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"folder '%s'." % foldername,
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OfflineImapError.ERROR.FOLDER)
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def _getfolders_scandir(self, root, extension = None):
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"""Recursively scan folder 'root'; return a list of MailDirFolder
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:param root: (absolute) path to Maildir root
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:param extension: (relative) subfolder to examine within root"""
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self.debug("_GETFOLDERS_SCANDIR STARTING. root = %s, extension = %s" \
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% (root, extension))
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retval = []
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# Configure the full path to this repository -- "toppath"
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if extension:
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toppath = os.path.join(root, extension)
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else:
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toppath = root
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self.debug(" toppath = %s" % toppath)
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# Iterate over directories in top & top itself.
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for dirname in os.listdir(toppath) + ['']:
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self.debug(" dirname = %s" % dirname)
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if dirname == '' and extension is not None:
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self.debug(' skip this entry (already scanned)')
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continue
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if dirname in ['cur', 'new', 'tmp']:
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self.debug(" skip this entry (Maildir special)")
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# Bypass special files.
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continue
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fullname = os.path.join(toppath, dirname)
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if not os.path.isdir(fullname):
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self.debug(" skip this entry (not a directory)")
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# Not a directory -- not a folder.
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continue
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if extension:
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# extension can be None which fails.
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foldername = os.path.join(extension, dirname)
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else:
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foldername = dirname
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if (os.path.isdir(os.path.join(fullname, 'cur')) and
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os.path.isdir(os.path.join(fullname, 'new')) and
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os.path.isdir(os.path.join(fullname, 'tmp'))):
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# This directory has maildir stuff -- process
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self.debug(" This is maildir folder '%s'." % foldername)
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if self.getconfboolean('restoreatime', False):
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self._append_folder_atimes(foldername)
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retval.append(folder.Maildir.MaildirFolder(self.root,
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foldername,
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self.getsep(),
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self))
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# filter out the folder?
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if not self.folderfilter(foldername):
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self.debug("Filtering out '%s'[%s] due to folderfilt"
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"er" % (foldername, self))
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retval[-1].sync_this = False
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if self.getsep() == '/' and dirname != '':
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# Recursively check sub-directories for folders too.
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retval.extend(self._getfolders_scandir(root, foldername))
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self.debug("_GETFOLDERS_SCANDIR RETURNING %s" % \
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repr([x.getname() for x in retval]))
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return retval
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def getfolders(self):
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if self.folders == None:
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self.folders = self._getfolders_scandir(self.root)
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return self.folders
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def forgetfolders(self):
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"""Forgets the cached list of folders, if any. Useful to run
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after a sync run."""
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self.folders = None
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