126 lines
4.4 KiB
Python
126 lines
4.4 KiB
Python
# Local status cache repository support
|
|
# Copyright (C) 2002-2015 John Goerzen & contributors
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
import os
|
|
|
|
from offlineimap.folder.LocalStatus import LocalStatusFolder
|
|
from offlineimap.folder.LocalStatusSQLite import LocalStatusSQLiteFolder
|
|
from offlineimap.repository.Base import BaseRepository
|
|
|
|
class LocalStatusRepository(BaseRepository):
|
|
def __init__(self, reposname, account):
|
|
BaseRepository.__init__(self, reposname, account)
|
|
|
|
# class and root for all backends
|
|
self.backends = {}
|
|
self.backends['sqlite'] = {
|
|
'class': LocalStatusSQLiteFolder,
|
|
'root': os.path.join(account.getaccountmeta(), 'LocalStatus-sqlite')
|
|
}
|
|
|
|
self.backends['plain'] = {
|
|
'class': LocalStatusFolder,
|
|
'root': os.path.join(account.getaccountmeta(), 'LocalStatus')
|
|
}
|
|
|
|
# Set class and root for the configured backend
|
|
self.setup_backend(self.account.getconf('status_backend', 'plain'))
|
|
|
|
if not os.path.exists(self.root):
|
|
os.mkdir(self.root, 0o700)
|
|
|
|
# self._folders is a dict of name:LocalStatusFolders()
|
|
self._folders = {}
|
|
|
|
def setup_backend(self, backend):
|
|
if backend in self.backends.keys():
|
|
self._backend = backend
|
|
self.root = self.backends[backend]['root']
|
|
self.LocalStatusFolderClass = self.backends[backend]['class']
|
|
|
|
else:
|
|
raise SyntaxWarning("Unknown status_backend '%s' for account '%s'"%
|
|
(backend, self.account.name))
|
|
|
|
def import_other_backend(self, folder):
|
|
for bk, dic in self.backends.items():
|
|
# skip folder's own type
|
|
if dic['class'] == type(folder):
|
|
continue
|
|
|
|
repobk = LocalStatusRepository(self.name, self.account)
|
|
repobk.setup_backend(bk) # fake the backend
|
|
folderbk = dic['class'](folder.name, repobk)
|
|
|
|
# if backend contains data, import it to folder.
|
|
if not folderbk.isnewfolder():
|
|
self.ui._msg('Migrating LocalStatus cache from %s to %s " \
|
|
"status folder for %s:%s'%
|
|
(bk, self._backend, self.name, folder.name))
|
|
|
|
folderbk.cachemessagelist()
|
|
folder.messagelist = folderbk.messagelist
|
|
folder.saveall()
|
|
break
|
|
|
|
def getsep(self):
|
|
return '.'
|
|
|
|
def makefolder(self, foldername):
|
|
"""Create a LocalStatus Folder."""
|
|
|
|
if self.account.dryrun:
|
|
return # bail out in dry-run mode
|
|
|
|
# Create an empty StatusFolder
|
|
folder = self.LocalStatusFolderClass(foldername, self)
|
|
folder.save()
|
|
|
|
# Invalidate the cache.
|
|
self.forgetfolders()
|
|
|
|
def getfolder(self, foldername):
|
|
"""Return the Folder() object for a foldername."""
|
|
|
|
if foldername in self._folders:
|
|
return self._folders[foldername]
|
|
|
|
folder = self.LocalStatusFolderClass(foldername, self)
|
|
|
|
# If folder is empty, try to import data from an other backend.
|
|
if folder.isnewfolder():
|
|
self.import_other_backend(folder)
|
|
|
|
self._folders[foldername] = folder
|
|
return folder
|
|
|
|
def getfolders(self):
|
|
"""Returns a list of all cached folders.
|
|
|
|
Does nothing for this backend. We mangle the folder file names
|
|
(see getfolderfilename) so we can not derive folder names from
|
|
the file names that we have available. TODO: need to store a
|
|
list of folder names somehow?"""
|
|
|
|
pass
|
|
|
|
def forgetfolders(self):
|
|
"""Forgets the cached list of folders, if any. Useful to run
|
|
after a sync run."""
|
|
|
|
self._folders = {}
|