214 lines
8.2 KiB
Python
214 lines
8.2 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
|
|
|
|
import __main__
|
|
|
|
class BaseFolder:
|
|
def getname(self):
|
|
"""Returns name"""
|
|
return self.name
|
|
|
|
def getvisiblename(self):
|
|
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):
|
|
if self.getroot():
|
|
return self.getroot() + self.getsep() + self.getname()
|
|
else:
|
|
return 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, flags):
|
|
"""Writes a new message, with the specified uid.
|
|
If the uid is < 0, the backend should assign a new uid and return it.
|
|
|
|
If the backend cannot assign a new uid, it returns the uid passed in
|
|
WITHOUT saving the message.
|
|
|
|
IMAP backend should be the only one that can assign a new uid.
|
|
|
|
If the uid is > 0, the backend should set the uid to this, if it can.
|
|
If it cannot set the uid to that, it will save it anyway.
|
|
It will return the uid assigned in any case.
|
|
"""
|
|
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 addmessageflags(self, uid, flags):
|
|
"""Adds the specified flags to the message's flag set. If a given
|
|
flag is already present, it will not be duplicated."""
|
|
newflags = self.getmessageflags(uid)
|
|
for flag in flags:
|
|
if not flag in newflags:
|
|
newflags.append(flag)
|
|
newflags.sort()
|
|
self.savemessageflags(uid, newflags)
|
|
|
|
def deletemessageflags(self, uid, flags):
|
|
"""Removes each flag given from the message's flag set. If a given
|
|
flag is already removed, no action will be taken for that flag."""
|
|
newflags = self.getmessageflags(uid)
|
|
for flag in flags:
|
|
if flag in newflags:
|
|
newflags.remove(flag)
|
|
newflags.sort()
|
|
self.savemessageflags(uid, newflags)
|
|
|
|
def deletemessage(self, uid):
|
|
raise NotImplementedException
|
|
|
|
def deletemessages(self, uidlist):
|
|
for uid in uidlist:
|
|
self.deletemessage(uid)
|
|
|
|
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. It is important that
|
|
the UID generator be listed first in applyto; that is, the other
|
|
applyto ones should be the ones that "copy" the main action."""
|
|
if applyto == None:
|
|
applyto = [dest]
|
|
|
|
# Pass 1 -- Look for messages in self with a negative uid.
|
|
# These are messages in Maildirs that were not added by us.
|
|
# Try to add them to the dests, and once that succeeds, get the
|
|
# UID, add it to the others for real, add it to local for real,
|
|
# and delete the fake one.
|
|
|
|
for uid in self.getmessagelist().keys():
|
|
if uid >= 0:
|
|
continue
|
|
__main__.ui.copyingmessage(uid, self, applyto)
|
|
successobject = None
|
|
successuid = None
|
|
message = self.getmessage(uid)
|
|
flags = self.getmessageflags(uid)
|
|
for tryappend in applyto:
|
|
successuid = tryappend.savemessage(uid, message, flags)
|
|
if successuid > 0:
|
|
successobject = tryappend
|
|
break
|
|
# Did we succeed?
|
|
if successobject != None:
|
|
# Copy the message to the other remote servers.
|
|
for appendserver in [x for x in applyto if x != successobject]:
|
|
appendserver.savemessage(successuid, message, flags)
|
|
# Copy it to its new name on the local server and delete
|
|
# the one without a UID.
|
|
self.savemessage(successuid, message, flags)
|
|
self.deletemessage(uid)
|
|
else:
|
|
# Did not find any server to take this message. Ignore.
|
|
pass
|
|
|
|
# Pass 2 -- Look for messages present in self but not in dest.
|
|
# If any, add them to dest.
|
|
|
|
for uid in self.getmessagelist().keys():
|
|
if uid < 0: # Ignore messages that pass 1 missed.
|
|
continue
|
|
if not uid in dest.getmessagelist():
|
|
__main__.ui.copyingmessage(uid, self, applyto)
|
|
message = self.getmessage(uid)
|
|
flags = self.getmessageflags(uid)
|
|
for object in applyto:
|
|
newuid = object.savemessage(uid, message, flags)
|
|
if newuid != uid:
|
|
# Change the local uid.
|
|
self.savemessage(newuid, message, flags)
|
|
self.deletemessage(uid)
|
|
uid = newuid
|
|
|
|
# Pass 3 -- Look for message present in dest but not in self.
|
|
# If any, delete them.
|
|
|
|
for uid in dest.getmessagelist().keys():
|
|
if uid < 0:
|
|
continue
|
|
if not uid in self.getmessagelist():
|
|
__main__.ui.deletingmessage(uid, applyto)
|
|
for object in applyto:
|
|
object.deletemessage(uid)
|
|
|
|
# Now, the message lists should be identical wrt the uids present.
|
|
# (except for potential negative uids that couldn't be placed
|
|
# anywhere)
|
|
|
|
# Pass 4 -- Look for any flag identity issues -- set dest messages
|
|
# to have the same flags that we have here.
|
|
|
|
for uid in self.getmessagelist().keys():
|
|
if uid < 0: # Ignore messages missed by pass 1
|
|
continue
|
|
selfflags = self.getmessageflags(uid)
|
|
destflags = dest.getmessageflags(uid)
|
|
|
|
addflags = [x for x in selfflags if x not in destflags]
|
|
if len(addflags):
|
|
__main__.ui.addingflags(uid, addflags, applyto)
|
|
for object in applyto:
|
|
object.addmessageflags(uid, addflags)
|
|
|
|
delflags = [x for x in destflags if x not in selfflags]
|
|
if len(delflags):
|
|
__main__.ui.deletingflags(uid, delflags, applyto)
|
|
for object in applyto:
|
|
object.deletemessageflags(uid, delflags)
|
|
|
|
|