tobias/docker-offlineimap
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utf8: implement utf8foldernames option

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If utf8foldernames is enabled on account level all folder names read
from the IMAP server will immediately be reencoded to UTF-8. Names
will be treated as UTF-8 as long as the IMAP server isn't contacted again,
for which they are reencoded to IMAP4-UTF-7.

This means that any further processing such as nametrans, folderfilter
etc. will act upon the UTF-8 names, which will have to be documented
carefully.

NOTE 1:
GMail repositories and folders inherit from the IMAP... classes, so I don't
know yet if these changes have ugly side-effects. But web research suggests
that GMail IMAP folders are equally encoded in UTF-7 so that should work
identically here and incorporate the same improvements.

NOTE 2:
I could not test the behaviour with idlefolders as I didn't get this option
to work at all, not even with the latest stable version.

NOTE 3:
I *did* test to sync an IMAP repository against another IMAP repository.

Signed-off-by: Urs Liska <git@ursliska.de>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This commit is contained in:
Urs Liska
2017-10-02 01:26:29 +02:00
committed by Nicolas Sebrecht
parent 14d83dbf48
commit 36d726763d
6 changed files with 42 additions and 25 deletions
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6
offlineimap/folder/UIDMaps.py
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@ -40,8 +40,8 @@ class MappedIMAPFolder(IMAPFolder):
diskr2l: dict mapping message uids: self.r2l[remoteuid]=localuid
diskl2r: dict mapping message uids: self.r2l[localuid]=remoteuid"""
def __init__(self, *args, **kwargs):
IMAPFolder.__init__(self, *args, **kwargs)
def __init__(self, imapserver, name, repository, decode=True):
IMAPFolder.__init__(self, imapserver, name, repository, decode=False)
self.dryrun = self.config.getdefaultboolean("general", "dry-run", True)
self.maplock = Lock()
self.diskr2l, self.diskl2r = self._loadmaps()
@ -49,7 +49,7 @@ class MappedIMAPFolder(IMAPFolder):
# Representing the local IMAP Folder using local UIDs.
# XXX: This should be removed since we inherit from IMAPFolder.
# See commit 3ce514e92ba7 to know more.
self._mb = IMAPFolder(*args, **kwargs)
self._mb = IMAPFolder(imapserver, name, repository, decode=False)
def _getmapfilename(self):
return os.path.join(self.repository.getmapdir(),