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Base.py

# Base repository support
# Copyright (C) 2002, 2003, 2006 John Goerzen
# <jgoerzen@complete.org>
#
#    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

from offlineimap import CustomConfig
import os.path

def LoadRepository(name, account, reqtype):
    from offlineimap.repository.IMAP import IMAPRepository, MappedIMAPRepository
    from offlineimap.repository.Maildir import MaildirRepository
    if reqtype == 'remote':
        # For now, we don't support Maildirs on the remote side.
        typemap = {'IMAP': IMAPRepository}
    elif reqtype == 'local':
        typemap = {'IMAP': MappedIMAPRepository,
                   'Maildir': MaildirRepository}
    else:
        raise ValueError, "Request type %s not supported" % reqtype
    config = account.getconfig()
    repostype = config.get('Repository ' + name, 'type').strip()
    return typemap[repostype](name, account)

class BaseRepository(CustomConfig.ConfigHelperMixin):
    def __init__(self, reposname, account):
        self.account = account
        self.config = account.getconfig()
        self.name = reposname
        self.localeval = account.getlocaleval()
        self.accountname = self.account.getname()
        self.uiddir = os.path.join(self.config.getmetadatadir(), 'Repository-' + self.name)
        if not os.path.exists(self.uiddir):
            os.mkdir(self.uiddir, 0700)
        self.mapdir = os.path.join(self.uiddir, 'UIDMapping')
        if not os.path.exists(self.mapdir):
            os.mkdir(self.mapdir, 0700)
        self.uiddir = os.path.join(self.uiddir, 'FolderValidity')
        if not os.path.exists(self.uiddir):
            os.mkdir(self.uiddir, 0700)

    def holdordropconnections(self):
        pass

    def dropconnections(self):
        pass

    def getaccount(self):
        return self.account

    def getname(self):
        return self.name

    def getuiddir(self):
        return self.uiddir

    def getmapdir(self):
        return self.mapdir

    def getaccountname(self):
        return self.accountname

    def getsection(self):
        return 'Repository ' + self.name

    def getconfig(self):
        return self.config

    def getlocaleval(self):
        return self.account.getlocaleval()
    
    def getfolders(self):
        """Returns a list of ALL folders on this server."""
        return []

    def getsep(self):
        raise NotImplementedError

    def makefolder(self, foldername):
        raise NotImplementedError

    def deletefolder(self, foldername):
        raise NotImplementedError

    def getfolder(self, foldername):
        raise NotImplementedError
    
    def syncfoldersto(self, dest):
        """Syncs the folders in this repository to those in dest.
        It does NOT sync the contents of those folders."""
        src = self
        srcfolders = src.getfolders()
        destfolders = dest.getfolders()

        # Create hashes with the names, but convert the source folders
        # to the dest folder's sep.

        srchash = {}
        for folder in srcfolders:
            srchash[folder.getvisiblename().replace(src.getsep(), dest.getsep())] = \
                                                           folder
        desthash = {}
        for folder in destfolders:
            desthash[folder.getvisiblename()] = folder

        #
        # Find new folders.
        #
        
        for key in srchash.keys():
            if not key in desthash:
                dest.makefolder(key)

        #
        # Find deleted folders.
        #
        # We don't delete folders right now.

        #for key in desthash.keys():
        #    if not key in srchash:
        #        dest.deletefolder(key)
        
    ##### Keepalive

    def startkeepalive(self):
        """The default implementation will do nothing."""
        pass

    def stopkeepalive(self, abrupt = 0):
        """Stop keep alive.  If abrupt is 1, stop it but don't bother waiting
        for the threads to terminate."""
        pass
    

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