offlineimap/head/offlineimap/folder/Base.py

100 lines
3.5 KiB
Python

# Base folder support
# Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
class BaseFolder:
def getname(self):
"""Returns name"""
return self.name
def getroot(self):
"""Returns the root of the folder, in a folder-specific fashion."""
return self.root
def getsep(self):
"""Returns the separator for this folder type."""
return self.sep
def getfullname(self):
return self.getroot() + self.getsep() + self.getname()
def isuidvalidityok(self, remotefolder):
raise NotImplementedException
def getuidvalidity(self):
raise NotImplementedException
def saveuidvalidity(self, newval):
raise NotImplementedException
def cachemessagelist(self):
"""Reads the message list from disk or network and stores it in
memory for later use. This list will not be re-read from disk or
memory unless this function is called again."""
raise NotImplementedException
def getmessagelist(self):
"""Gets the current message list.
You must call cachemessagelist() before calling this function!"""
raise NotImplementedException
def getmessage(self, uid):
"""Returns the content of the specified message."""
raise NotImplementedException
def savemessage(self, uid, content):
"""Writes a new message, with the specified uid."""
raise NotImplementedException
def getmessageflags(self, uid):
"""Returns the flags for the specified message."""
raise NotImplementedException
def savemessageflags(self, uid, flags):
"""Sets the specified message's flags to the given set."""
raise NotImplementedException
def deletemessage(self, uid):
raise NotImplementedException
def syncmessagesto(self, dest, applyto = None):
"""Syncs messages in this folder to the destination.
If applyto is specified, it should be a list of folders (don't forget
to include dest!) to which all write actions should be applied.
It defaults to [dest] if not specified."""
if applyto == None:
applyto = [dest]
# Pass 1 -- Look for messages present in self but not in dest.
# If any, add them to dest.
for uid in self.getmessagelist().keys():
if not uid in dest.getmessagelist():
dest.savemessage(uid, self.getmessage(uid))
dest.savemessageflags(uid, self.getmessageflags(uid))
# Pass 2 -- Look for message present in dest but not in self.
# If any, delete them.
for uid in dest.getmessagelist().keys():
if not uid in self.getmessagelist():
dest.deletemessage(uid)
# Now, the message lists should be identical wrt the uids present.
# Pass 3 -- Look for any