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https://github.com/OfflineIMAP/offlineimap.git
synced 2024-07-03 08:30:56 +02:00
Fix error handling in folder.Base.copymessageto()
This is a bug fix on several levels. 1) We were lacking the import of OfflineImapError. 2) OfflineImap.ERROR.MESSAGE was misspelled as ERROR.Message. 3) COntinuing with the next message only worked in single-thread mode (using debug) and not in multi-thread mode. The reason is that we were invoking a new thread and catching Exceptions in the main thread. But python immediately aborts if an Exception bubbles up to a thread start. This was fixed by catching exceptions directly in copymessageto() which is the new thread, rather than catching them in the main thread. Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de> Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This commit is contained in:
Sebastian Spaeth
Nicolas Sebrecht
parent
634b6cd49e
commit
9f23fea74e
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@ -17,6 +17,7 @@
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from offlineimap import threadutil
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from offlineimap.ui import getglobalui
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from offlineimap.error import OfflineImapError
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import os.path
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import re
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from sys import exc_info
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@ -233,52 +234,63 @@ class BaseFolder(object):
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if register: # output that we start a new thread
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self.ui.registerthread(self.getaccountname())
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message = None
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flags = self.getmessageflags(uid)
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rtime = self.getmessagetime(uid)
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try:
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message = None
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flags = self.getmessageflags(uid)
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rtime = self.getmessagetime(uid)
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if uid > 0 and dstfolder.uidexists(uid):
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# dst has message with that UID already, only update status
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statusfolder.savemessage(uid, None, flags, rtime)
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return
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if uid > 0 and dstfolder.uidexists(uid):
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# dst has message with that UID already, only update status
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statusfolder.savemessage(uid, None, flags, rtime)
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return
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self.ui.copyingmessage(uid, self, [dstfolder])
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# If any of the destinations actually stores the message body,
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# load it up.
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if dstfolder.storesmessages():
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message = self.getmessage(uid)
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#Succeeded? -> IMAP actually assigned a UID. If newid
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#remained negative, no server was willing to assign us an
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#UID. If newid is 0, saving succeeded, but we could not
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#retrieve the new UID. Ignore message in this case.
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newuid = dstfolder.savemessage(uid, message, flags, rtime)
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if newuid > 0:
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if newuid != uid:
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# Got new UID, change the local uid.
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#TODO: Maildir could do this with a rename rather than
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#load/save/del operation, IMPLEMENT a changeuid()
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#function or so.
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self.savemessage(newuid, message, flags, rtime)
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self.ui.copyingmessage(uid, self, [dstfolder])
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# If any of the destinations actually stores the message body,
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# load it up.
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if dstfolder.storesmessages():
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message = self.getmessage(uid)
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#Succeeded? -> IMAP actually assigned a UID. If newid
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#remained negative, no server was willing to assign us an
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#UID. If newid is 0, saving succeeded, but we could not
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#retrieve the new UID. Ignore message in this case.
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newuid = dstfolder.savemessage(uid, message, flags, rtime)
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if newuid > 0:
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if newuid != uid:
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# Got new UID, change the local uid.
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#TODO: Maildir could do this with a rename rather than
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#load/save/del operation, IMPLEMENT a changeuid()
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#function or so.
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self.savemessage(newuid, message, flags, rtime)
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self.deletemessage(uid)
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uid = newuid
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# Save uploaded status in the statusfolder
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statusfolder.savemessage(uid, message, flags, rtime)
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elif newuid == 0:
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# Message was stored to dstfolder, but we can't find it's UID
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# This means we can't link current message to the one created
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# in IMAP. So we just delete local message and on next run
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# we'll sync it back
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# XXX This could cause infinite loop on syncing between two
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# IMAP servers ...
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self.deletemessage(uid)
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uid = newuid
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# Save uploaded status in the statusfolder
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statusfolder.savemessage(uid, message, flags, rtime)
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else:
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raise OfflineImapError("Trying to save msg (uid %d) on folder "
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"%s returned invalid uid %d" % \
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(uid,
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dstfolder.getvisiblename(),
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newuid),
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OfflineImapError.ERROR.MESSAGE)
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except OfflineImapError, e:
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if e.severity > OfflineImapError.ERROR.MESSAGE:
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raise # buble severe errors up
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self.ui.error(e, exc_info()[2])
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except Exception, e:
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self.ui.error(e, "Copying message %s [acc: %s]:\n %s" %\
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(uid, self.getaccountname(),
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traceback.format_exc()))
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raise #raise on unknown errors, so we can fix those
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elif newuid == 0:
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# Message was stored to dstfolder, but we can't find it's UID
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# This means we can't link current message to the one created
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# in IMAP. So we just delete local message and on next run
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# we'll sync it back
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# XXX This could cause infinite loop on syncing between two
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# IMAP servers ...
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self.deletemessage(uid)
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else:
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raise OfflineImapError("Trying to save msg (uid %d) on folder "
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"%s returned invalid uid %d" % \
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(uid,
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dstfolder.getvisiblename(),
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newuid),
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OfflineImapError.ERROR.MESSAGE)
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def syncmessagesto_copy(self, dstfolder, statusfolder):
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"""Pass1: Copy locally existing messages not on the other side
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@ -297,30 +309,21 @@ class BaseFolder(object):
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statusfolder.uidexists(uid),
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self.getmessageuidlist())
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for uid in copylist:
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try:
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if self.suggeststhreads():
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self.waitforthread()
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thread = threadutil.InstanceLimitedThread(\
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self.getcopyinstancelimit(),
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target = self.copymessageto,
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name = "Copy message %d from %s" % (uid,
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self.getvisiblename()),
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args = (uid, dstfolder, statusfolder))
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thread.setDaemon(1)
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thread.start()
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threads.append(thread)
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else:
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self.copymessageto(uid, dstfolder, statusfolder,
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register = 0)
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except OfflineImapError, e:
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if e.severity > OfflineImapError.ERROR.Message:
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raise # buble severe errors up
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self.ui.error(e, exc_info()[2])
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except Exception, e:
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self.ui.error(e, "Copying message %s [acc: %s]:\n %s" %\
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(uid, self.getaccountname(),
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traceback.format_exc()))
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raise #raise on unknown errors, so we can fix those
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# exceptions are caught in copymessageto()
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if self.suggeststhreads():
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self.waitforthread()
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thread = threadutil.InstanceLimitedThread(\
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self.getcopyinstancelimit(),
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target = self.copymessageto,
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name = "Copy message %d from %s" % (uid,
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self.getvisiblename()),
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args = (uid, dstfolder, statusfolder))
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thread.setDaemon(1)
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thread.start()
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threads.append(thread)
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else:
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self.copymessageto(uid, dstfolder, statusfolder,
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register = 0)
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for thread in threads:
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thread.join()
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