UNDO: Checkpointing

This commit is contained in:
John Goerzen 2007-07-05 14:49:54 +01:00
parent 7a287cef57
commit 4370da1dcf
3 changed files with 46 additions and 129 deletions

View File

@ -59,20 +59,17 @@ class MachineUI(UIBase):
def warn(s, msg, minor):
s._printData('warn', '%s\n%d' % (msg, int(minor)))
def registerthread(s, threadname, accountname):
UIBase.registerthread(s, threadname, accountname)
s._printData('registerthread', accountname)
def registerthread(s, account):
UIBase.registerthread(s, account)
s._printData('registerthread', account)
def unregisterthread(s, threadname):
UIBase.unregisterthread(s, threadname)
s._printData('unregisterthread', threadname)
def unregisterthread(s, thread):
UIBase.unregisterthread(s, thread)
s._printData('unregisterthread', thread.getName())
def debugging(s, debugtype):
s._printData('debugging', debugtype)
def print_debug(s, debugtype, msg):
s._printData('print_debug', "%s\n%s" % (debugtype, msg))
def acct(s, accountname):
s._printData('acct', accountname)
@ -164,7 +161,7 @@ class MachineUI(UIBase):
return 0
def getpass(s, accountname, errmsg = None):
def getpass(s, accountname, config, errmsg = None):
s.outputlock.acquire()
try:
if errmsg:
@ -178,10 +175,3 @@ class MachineUI(UIBase):
def init_banner(s):
s._printData('initbanner', offlineimap.version.banner)
def msgtoreadonly(s, destfoldernice, destfoldername, uid):
s._printData('msgtoreadonly', "%s\n%s\n%d" % (destfoldernice, destfoldername, uid))
def flagstoreadonly(s, destfoldernice, destfoldername, uidlist):
s._printData('flagstoreadonly', "%s\n%s\n%s" % (destfoldernice, destfoldername, "\f".join(

View File

@ -24,11 +24,21 @@ debugtypes = {'imap': 'IMAP protocol debugging',
'maildir': 'Maildir repository debugging',
'thread': 'Threading debugging'}
globalui = None
def setglobalui(newui):
global globalui
globalui = newui
def getglobalui():
global globalui
return globalui
class UIBase:
def __init__(s, config, verbose = 0):
s.verbose = verbose
s.config = config
s.debuglist = []
s.debugmessages = {}
s.debugmsglen = 50
s.threadaccounts = {}
s.logfile = None
@ -66,19 +76,19 @@ class UIBase:
else:
s._msg("WARNING: " + msg)
def registerthread(s, threadname, accountname): #FIX IN CODE
def registerthread(s, account):
"""Provides a hint to UIs about which account this particular
thread is processing."""
if s.threadaccounts.has_key(threadname):
if s.threadaccounts.has_key(threading.currentThread()):
raise ValueError, "Thread %s already registered (old %s, new %s)" %\
(threadname
(threading.currentThread().getName(),
s.getthreadaccount(s), account)
s.threadaccounts[threadname] = account
s.threadaccounts[threading.currentThread()] = account
def unregisterthread(s, threadname): #FIX IN CODE
def unregisterthread(s, thr):
"""Recognizes a thread has exited."""
if s.threadaccounts.has_key(threadname):
del s.threadaccounts[threadname]
if s.threadaccounts.has_key(thr):
del s.threadaccounts[thr]
def getthreadaccount(s, thr = None):
if not thr:
@ -87,7 +97,16 @@ class UIBase:
return s.threadaccounts[thr]
return '*Control'
def print_debug(s, debugtype, msg):
def debug(s, debugtype, msg):
thisthread = threading.currentThread()
if s.debugmessages.has_key(thisthread):
s.debugmessages[thisthread].append("%s: %s" % (debugtype, msg))
else:
s.debugmessages[thisthread] = ["%s: %s" % (debugtype, msg)]
while len(s.debugmessages[thisthread]) > s.debugmsglen:
s.debugmessages[thisthread] = s.debugmessages[thisthread][1:]
if debugtype in s.debuglist:
if not s._log("DEBUG[%s]: %s" % (debugtype, msg)):
s._display("DEBUG[%s]: %s" % (debugtype, msg))
@ -105,9 +124,17 @@ class UIBase:
global debugtypes
s._msg("Now debugging for %s: %s" % (debugtype, debugtypes[debugtype]))
def invaliddebug(s, debugtype):
s.warn("Invalid debug type: %s" % debugtype)
def locked(s):
raise Exception, "Another OfflineIMAP is running with the same metadatadir; exiting."
def getnicename(s, object):
prelimname = str(object.__class__).split('.')[-1]
# Strip off extra stuff.
return re.sub('(Folder|Repository)', '', prelimname)
def isusable(s):
"""Returns true if this UI object is usable in the current
environment. For instance, an X GUI would return true if it's
@ -116,19 +143,19 @@ class UIBase:
################################################## INPUT
def getpass(s, accountname, errmsg = None): # FIX IN CODE
def getpass(s, accountname, config, errmsg = None):
raise NotImplementedError
def folderlist(s, list):
return ', '.join(["%s[%s]" % (s.getnicename(x), x.getname()) for x in list])
################################################## WARNINGS
def msgtoreadonly(s, destfoldernicename, destfoldername, uid): #FIX IN CODE # FIX IN CODE
def msgtoreadonly(s, destfolder, uid, content, flags):
if not (config.has_option('general', 'ignore-readonly') and config.getboolean("general", "ignore-readonly")):
s.warn("Attempted to synchronize message %d to folder %s[%s], but that folder is read-only. The message will not be copied to that folder." % \
(uid, destfoldernicename, destfoldername))
(uid, s.getnicename(destfolder), destfolder.getname()))
def flagstoreadonly(s, destfolder, uidlist): #FIX IN CODE
def flagstoreadonly(s, destfolder, uidlist, flags):
if not (config.has_option('general', 'ignore-readonly') and config.getboolean("general", "ignore-readonly")):
s.warn("Attempted to modify flags for messages %s in folder %s[%s], but that folder is read-only. No flags have been modified for that message." % \
(str(uidlist), s.getnicename(destfolder), destfolder.getname()))

View File

@ -1,100 +0,0 @@
# User interface transmitter
#
# Used by per-account OfflineIMAP threads
#
# Transmits messages using Machine
#
# Copyright (C) 2002-2007 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
import offlineimap.version
import re, time, sys, traceback, threading, thread
from StringIO import StringIO
debugtypes = {'imap': 'IMAP protocol debugging',
'maildir': 'Maildir repository debugging',
'thread': 'Threading debugging'}
globalui = None
def setglobalui(newui):
global globalui
globalui = newui
def getglobalui():
global globalui
return globalui
class UITransmitter:
"""This class is designed to transmit UI messages to the OfflineIMAP
ui process. It receives raw data and formats it nicely."""
def __init__(s, config, verbose = 0):
s.verbose = verbose
s.config = config
s.debuglist = []
s.debugmessages = {}
s.debugmsglen = 50
s.threadaccounts = {}
s.logfile = None
s.m = Machine.MachineUI(config, verbose)
def warn(s, msg, minor = 0):
s.m.warn(msg, minor)
def registerthread(s, accountname):
s.m.registerthread(threading.currentThread().getName(), accountname)
def unregisterthread(s, threadobj):
s.m.unregisterthread(threadobj.getName())
def debugging(s, debugtype):
s.m.debugging(s, debugtype)
def debug(s, debugtype, msg):
thisthread = threading.currentThread()
if s.debugmessages.has_key(thisthread):
s.debugmessages[thisthread].append("%s: %s" % (debugtype, msg))
else:
s.debugmessages[thisthread] = ["%s: %s" % (debugtype, msg)]
while len(s.debugmessages[thisthread]) > s.debugmsglen:
s.debugmessages[thisthread] = s.debugmessages[thisthread][1:]
s.print_debug(debugtype, msg)
def print_debug(s, debugtype, msg):
s.m.print_debug(s, debugtype, msg)
def debugging(s, debugtype):
s.m.debugging(s, debugtype)
def invaliddebug(s, debugtype):
s.warn("Invalid debug type: %s" % debugtype)
def getnicename(s, object):
prelimname = str(object.__class__).split('.')[-1]
# Strip off extra stuff.
return re.sub('(Folder|Repository)', '', prelimname)
################################################## INPUT
def getpass(s, accountname, errmsg = None):
s.m.getpass(accountname, errmsg)
################################################## WARNINGS
def msgtoreadonly(s, destfolder, uid):
s.m.msgtoreadonly(s, s.getnicename(destfolder),
destfolder.getname(), uid)