/offlineimap/head: changeset 206

If a given Maildir folder is new, remove the associated local status
cache file, if any. That way, there will not be any chance of
propogating hordes of deletes and adds based on old status data.

offlineimap/head/offlineimap/folder/LocalStatus.py

@@ -47,6 +47,10 @@ class LocalStatusFolder(BaseFolder):
     def getfullname(self):
         return self.filename
 
+    def deletemessagelist(self):
+        if not self.isnewfolder():
+            os.unlink(self.filename)
+
     def cachemessagelist(self):
         if self.isnewfolder():
             self.messagelist = {}

offlineimap/head/offlineimap/folder/Maildir.py

@@ -50,17 +50,21 @@ class MaildirFolder(BaseFolder):
         return os.path.join(self.getroot(), self.getname())
 
     def getuidvalidity(self):
+        if hasattr(self, 'uidvalidity'):
+            return self.uidvalidity
         if not os.path.exists(self.uidfilename):
-            return None
-        file = open(self.uidfilename, "rt")
-        retval = long(file.readline().strip())
-        file.close()
-        return retval
+            self.uidvalidity = None
+        else:
+            file = open(self.uidfilename, "rt")
+            self.uidvalidity = long(file.readline().strip())
+            file.close()
+        return self.uidvalidity
 
     def saveuidvalidity(self, newval):
         file = open(self.uidfilename, "wt")
         file.write("%d\n" % newval)
         file.close()
+        self.uidvalidity = newval
 
     def isuidvalidityok(self, remotefolder):
         myval = self.getuidvalidity()