129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
# Local status cache virtual folder
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# Copyright (C) 2002 - 2003 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 Base import BaseFolder
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import os, threading
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magicline = "OFFLINEIMAP LocalStatus CACHE DATA - DO NOT MODIFY - FORMAT 1"
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class LocalStatusFolder(BaseFolder):
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def __init__(self, root, name, repository, accountname):
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self.name = name
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self.root = root
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self.sep = '.'
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self.filename = os.path.join(root, name)
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self.filename = repository.getfolderfilename(name)
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self.messagelist = None
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self.repository = repository
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self.savelock = threading.Lock()
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self.doautosave = 1
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self.accountname = accountname
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BaseFolder.__init__(self)
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def getaccountname(self):
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return self.accountname
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def storesmessages(self):
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return 0
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def isnewfolder(self):
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return not os.path.exists(self.filename)
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def getname(self):
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return self.name
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def getroot(self):
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return self.root
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def getsep(self):
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return self.sep
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def getfullname(self):
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return self.filename
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def deletemessagelist(self):
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if not self.isnewfolder():
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os.unlink(self.filename)
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def cachemessagelist(self):
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if self.isnewfolder():
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self.messagelist = {}
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return
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file = open(self.filename, "rt")
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self.messagelist = {}
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line = file.readline().strip()
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assert(line == magicline)
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for line in file.xreadlines():
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line = line.strip()
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uid, flags = line.split(':')
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uid = long(uid)
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flags = [x for x in flags]
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self.messagelist[uid] = {'uid': uid, 'flags': flags}
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file.close()
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def autosave(self):
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if self.doautosave:
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self.save()
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def save(self):
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self.savelock.acquire()
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try:
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file = open(self.filename + ".tmp", "wt")
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file.write(magicline + "\n")
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for msg in self.messagelist.values():
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flags = msg['flags']
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flags.sort()
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flags = ''.join(flags)
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file.write("%s:%s\n" % (msg['uid'], flags))
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file.close()
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os.rename(self.filename + ".tmp", self.filename)
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finally:
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self.savelock.release()
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def getmessagelist(self):
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return self.messagelist
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def savemessage(self, uid, content, flags, rtime):
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if uid < 0:
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# We cannot assign a uid.
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return uid
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if uid in self.messagelist: # already have it
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self.savemessageflags(uid, flags)
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return uid
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self.messagelist[uid] = {'uid': uid, 'flags': flags, 'time': rtime}
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self.autosave()
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return uid
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def getmessageflags(self, uid):
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return self.messagelist[uid]['flags']
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def getmessagetime(self, uid):
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return self.messagelist[uid]['time']
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def savemessageflags(self, uid, flags):
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self.messagelist[uid]['flags'] = flags
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self.autosave()
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def deletemessage(self, uid):
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if not uid in self.messagelist:
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return
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del(self.messagelist[uid])
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self.autosave()
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