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IMAP: ignore UID with 0 as value when searching for UIDs 

Some servers are broken: they return zero as valid UID and respond "BAD invalid
parameter: 0" on the FETCH command.

Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This commit is contained in:
Nicolas Sebrecht 2016-05-25 03:29:03 +02:00
parent b14f37942a
commit f00cbeed5a
1 changed files with 9 additions and 5 deletions
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14
offlineimap/folder/IMAP.py
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@ -184,6 +184,10 @@ class IMAPFolder(BaseFolder):
# On first run the first element is empty.
if ' ' in res_data[0] or res_data[0] == '':
res_data = res_data[0].split()
# Some servers are broken.
if 0 in res_data:
self.ui.warn("server returned UID with 0; ignoring.")
res_data.remove(0)
return res_data
res_type, imapdata = imapobj.select(self.getfullname(), True, True)
@ -229,7 +233,7 @@ class IMAPFolder(BaseFolder):
msgsToFetch = self._msgs_to_fetch(
imapobj, min_date=min_date, min_uid=min_uid)
if not msgsToFetch:
return # No messages to sync
return # No messages to sync.
# Get the flags and UIDs for these. single-quotes prevent
# imaplib2 from quoting the sequence.
@ -695,7 +699,7 @@ class IMAPFolder(BaseFolder):
break
except imapobj.abort as e:
fails_left -= 1
# self.ui.error() will show the original traceback
# self.ui.error() will show the original traceback.
if fails_left <= 0:
message = ("%s, while fetching msg %r in folder %r."
" Max retry reached (%d)"%
@ -703,7 +707,7 @@ class IMAPFolder(BaseFolder):
severity = OfflineImapError.ERROR.MESSAGE
raise OfflineImapError(message,
OfflineImapError.ERROR.MESSAGE)
# Release dropped connection, and get a new one
# Release dropped connection, and get a new one.
self.imapserver.releaseconnection(imapobj, True)
imapobj = self.imapserver.acquireconnection()
self.ui.error("%s. While fetching msg %r in folder %r."
@ -716,13 +720,13 @@ class IMAPFolder(BaseFolder):
self.imapserver.releaseconnection(imapobj)
if data == [None] or res_type != 'OK':
#IMAP server says bad request or UID does not exist
# IMAP server says bad request or UID does not exist.
severity = OfflineImapError.ERROR.MESSAGE
reason = "IMAP server '%s' failed to fetch messages UID '%s'."\
"Server responded: %s %s"% (self.getrepository(), uids,
res_type, data)
if data == [None]:
#IMAP server did not find a message with this UID
# IMAP server did not find a message with this UID.
reason = "IMAP server '%s' does not have a message "\
"with UID '%s'" % (self.getrepository(), uids)
raise OfflineImapError(reason, severity)