def compatibleWithBase(self, base):
messagenames = (ImmutableSet(self.messages.keys())
| ImmutableSet(base.messages.keys()))
compatibility = Same()
for name in messagenames:
selfmessage = self.messages.get(name, None)
basemessage = base.messages.get(name, None)
if not selfmessage:
c = Older("missing message %s, did you mean to deprecate?" %
name)
elif not basemessage:
c = Newer("added message %s" % name)
else:
c = selfmessage.compatibleWithBase(basemessage)
c.prefix("in message %s: " % name)
compatibility = compatibility.combine(c)
return compatibility
def compatibleWithBase(self, base):
messagenames = (
frozenset(self.messages.keys())
| frozenset(base.messages.keys())
)
compatibility = Same()
for name in messagenames:
selfmessage = self.messages.get(name, None)
basemessage = base.messages.get(name, None)
if not selfmessage:
c = Older("missing message %s, did you mean to deprecate?" % name)
elif not basemessage:
c = Newer("added message %s" % name)
else:
c = selfmessage.compatibleWithBase(basemessage)
c.prefix("in message %s: " % name)
compatibility = compatibility.combine(c)
return compatibility
