def getBool(self):
assert self.type in [self.LOCK, self.BER], "the boolean output of FrontendInfo can only be used for lock or BER info"
if self.type == self.LOCK:
- return self.source.lock
+ lock = self.source.lock
+ if lock is None:
+ lock = False
+ return lock
else:
- return self.source.ber > 0
+ ber = self.source.ber
+ if ber is None:
+ ber = 0
+ return ber > 0
text = property(getText)
return 2
return -1
elif self.type == self.SLOT_NUMBER:
- return self.source.slot_number or -1
+ num = self.source.slot_number
+ return num is None and -1 or num
range = 65536
value = property(getValue)