4 Jun 2012 18:18
lotus imap + offlineimap bug
Jason Wright <jason <at> thought.net>
2012-06-04 16:18:22 GMT
2012-06-04 16:18:22 GMT
When using a Lotus IMAP server, offlineimap barfs. It's because it returns a string like: "\\\\" which is not correctly unescaped (as '\\'). The regular expression for matching quotes assumes that any \ followed by quote is an escaped quote... not true: \\" is a literal \ followed by a non-escaped quote.
So, the solution is to use a better regex. I'd love to take credit for the regex, but I cribbed the regex from:
Log and patch are below.
--Jason L. Wright
Log of problem:
[imap]: 07:27.96 my-imap-server.example.com handler untagged_responses[OK] 0 += ["Domino IMAP4 Server Release 7.0.4FP1 HF143 ready Mon, 4 Jun 2012 10:07:27 -0600"]
...
[imap]: 07:31.26 Account sync Test _untagged_response(OK, ?, LIST) => ['(\\Noselect) "\\\\" ""']
ERROR: While attempting to sync account 'Test'
'NoneType' object has no attribute 'group'
my-imap-server.example.com handler:
[imap]: 07:31.26 my-imap-server.example.com handler LIST:PILN4.ready.set
Account sync Test:
[' File "/usr/lib/python2.7/site-packages/offlineimap/accounts.py", line 234, in syncrunner\n self.sync()\n', ' File "/usr/lib/python2.7/site-packages/offlineimap/accounts.py", line 290, in sync\n remoterepos.getfolders()\n', ' File "/usr/lib/python2.7/site-packages/offlineimap/repository/IMAP.py", line 268, in getfolders\n imapobj = self.imapserver.acquireconnection()\n', ' File "/usr/lib/python2.7/site-packages/offlineimap/imapserver.py", line 294, in acquireconnection\n imaputil.imapsplit(listres[0])[1:]\n', ' File "/usr/lib/python2.7/site-packages/offlineimap/imaputil.py", line 148, in imapsplit\n retval.append(m.group(\'quote\'))\n']
patch:
diff --git a/offlineimap/imaputil.py b/offlineimap/imaputil.py
index 557064b..10404dd 100644
--- a/offlineimap/imaputil.py
+++ b/offlineimap/imaputil.py
<at> <at> -23,8 +23,8 <at> <at> from offlineimap.ui import getglobalui
# find the first quote in a string
quotere = re.compile(
- r"""(?P<quote>"(?:\\"|[^"])*") # Quote, possibly containing encoded
- # quotation mark
+ r"""(?P<quote>"[^\"\\]*(?:\\.|[^"\\])*") # Quote, possibly containing
+ # encoded quotation mark
\s*(?P<rest>.*)$ # Whitespace & remainder of string""",
re.VERBOSE)
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