tobias/docker-offlineimap
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folder: Implement helper functions uidexists() and getmessageuidlist()

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More convenient way to test if a certain uid exists and getting a list
of all uids. Also, the SQL backend will have efficient overrides for
these methods.

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 2011-03-11 10:50:18 +01:00 committed by Nicolas Sebrecht
parent 4d352a528a
commit 6c6fdfc769
1 changed files with 16 additions and 7 deletions
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23
offlineimap/folder/Base.py
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@ -139,6 +139,15 @@ class BaseFolder:
You must call cachemessagelist() before calling this function!"""
raise NotImplementedException
def uidexists(self, uid):
"""Returns True if uid exists"""
return uid in self.getmessagelist()
def getmessageuidlist(self):
"""Gets a list of UIDs.
You may have to call cachemessagelist() before calling this function!"""
return self.getmessagelist().keys()
def getmessagecount(self):
"""Gets the number of messages."""
return len(self.getmessagelist())
@ -267,7 +276,7 @@ class BaseFolder:
:param dstfolder: A BaseFolder-derived instance
:param statusfolder: A LocalStatusFolder instance"""
uidlist = [uid for uid in self.getmessagelist().keys() if uid < 0]
uidlist = [uid for uid in self.getmessageuidlist() if uid < 0]
threads = []
for uid in uidlist:
@ -351,8 +360,8 @@ class BaseFolder:
threads = []
copylist = filter(lambda uid: uid>=0 and not \
uid in statusfolder.getmessagelist(),
self.getmessagelist().keys())
statusfolder.uidexists(uid),
self.getmessageuidlist())
for uid in copylist:
if self.suggeststhreads():
self.waitforthread()
@ -378,8 +387,8 @@ class BaseFolder:
that were deleted in 'self'. Delete those from dstfolder and
statusfolder."""
deletelist = filter(lambda uid: uid>=0 \
and not uid in self.getmessagelist(),
statusfolder.getmessagelist().keys())
and not self.uidexists(uid),
statusfolder.getmessageuidlist())
if len(deletelist):
self.ui.deletingmessages(deletelist, [dstfolder])
# delete in statusfolder first to play safe. In case of abort, we
@ -400,10 +409,10 @@ class BaseFolder:
# bulk, rather than one call per message.
addflaglist = {}
delflaglist = {}
for uid in self.getmessagelist().keys():
for uid in self.getmessageuidlist():
# Ignore messages with negative UIDs missed by pass 1
# also don't do anything if the message has been deleted remotely
if uid < 0 or not uid in dstfolder.getmessagelist():
if uid < 0 or not dstfolder.uidexists(uid):
continue
selfflags = self.getmessageflags(uid)