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folder: UIDMaps: ignore KeyError failure while removing keys 

This would require more digging to understand how this is possible. I suspect
that a previous run has been interrupted.

Github-ref: https://github.com/OfflineIMAP/offlineimap/issues/445
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
This commit is contained in:
Nicolas Sebrecht 2017-03-22 12:01:27 +01:00
parent 5fa0340f9d
commit ebf5fd527e
1 changed files with 16 additions and 2 deletions
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18
offlineimap/folder/UIDMaps.py
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@ -142,8 +142,22 @@ class MappedIMAPFolder(IMAPFolder):
for luid in self.diskl2r.keys():
if not luid in reallist:
ruid = self.diskl2r[luid]
del self.diskr2l[ruid]
del self.diskl2r[luid]
#XXX: the following KeyError are sightly unexpected. This
# would require more digging to understand how it's
# possible.
errorMessage = ("unexpected error: key {} was not found "
"in memory, see "
"https://github.com/OfflineIMAP/offlineimap/issues/445"
" to know more."
)
try:
del self.diskr2l[ruid]
except KeyError as e:
self.ui.warn(errorMessage.format(ruid))
try:
del self.diskl2r[luid]
except KeyError as e:
self.ui.warn(errorMessage.format(ruid))
# Now, assign negative UIDs to local items.
self._savemaps()