def LoadMsgHead(self, index, all):
if (all):
if (not self.OpenAll(write=False)):
return None
else:
if (not self.OpenIn(write=False)):
return None
if (all):
file = self.fAll
else:
file = self.fIn
if (not self.LockGeneral(file, write=False)):
self.CloseIn()
return None
size = Util.SizeGeneral(file)
count = (size - 4) / MsgHead.size
if (index < 0 or index >= count):
self.UnlockGeneral(file)
file.close()
return None
file.seek(index * MsgHead.size + 4)
ret = MsgHead(file.read(MsgHead.size))
self.UnlockGeneral(file)
file.close()
return ret
def SizeAll(self):
return Util.SizeGeneral(self.fAll)
def SizeContent(self):
return Util.SizeGeneral(self.fContent)
def SizeIn(self):
return Util.SizeGeneral(self.fIn)
