Fixed a bug and caught some interesting issues with strictRfc. Still need

to look into Channel.kban

src/Channel.py

@@ -362,6 +362,24 @@ class Channel(callbacks.Privmsg):
         irc.replySuccess()
     unlobotomize = privmsgs.checkChannelCapability(unlobotomize, 'op')
 
+    def _getBanmask(self, irc, arg):
+        if ircutils.isNick(arg):
+            if not conf.supybot.protocols.irc.strictRfc():
+                try:
+                    hostmask = irc.state.nickToHostmask(arg)
+                    banmask = ircutils.banmask(hostmask)
+                except KeyError:
+                    if ircutils.isUserHostmask(arg):
+                        banmask = arg
+            else:
+                hostmask = irc.state.nickToHostmask(arg)
+                banmask = ircutils.banmask(hostmask)
+        elif ircutils.isUserHostmask(arg):
+            banmask = arg
+        else:
+            banmask = None
+        return banmask
+
     def permban(self, irc, msg, args, channel):
         """[<channel>] <nick|hostmask>
 
@@ -371,11 +389,8 @@ class Channel(callbacks.Privmsg):
          necessary if the message isn't sent in the channel itself.
         """
         arg = privmsgs.getArgs(args)
-        if ircutils.isNick(arg):
-            banmask = ircutils.banmask(irc.state.nickToHostmask(arg))
-        elif ircutils.isUserHostmask(arg):
-            banmask = arg
-        else:
+        banmask = self._getBanmask(irc, arg)
+        if banmask is None:
             irc.error('That\'s not a valid nick or hostmask.')
             return
         c = ircdb.channels.getChannel(channel)
@@ -407,11 +422,8 @@ class Channel(callbacks.Privmsg):
         the channel itself.
         """
         arg = privmsgs.getArgs(args)
-        if ircutils.isNick(arg):
-            banmask = ircutils.banmask(irc.state.nickToHostmask(arg))
-        elif ircutils.isUserHostmask(arg):
-            banmask = arg
-        else:
+        banmask = self._getBanmask(irc, arg)
+        if banmask is None:
             irc.error('That\'s not a valid nick or hostmask.')
             return
         c = ircdb.channels.getChannel(channel)
@@ -541,9 +553,12 @@ class Channel(callbacks.Privmsg):
         """
         capability = privmsgs.getArgs(args)
         c = ircdb.channels.getChannel(channel)
+        try:
             c.removeCapability(capability)
             ircdb.channels.setChannel(channel, c)
             irc.replySuccess()
+        except KeyError:
+            irc.error('I do not know about that channel capability.')
     unsetcapability = privmsgs.checkChannelCapability(unsetcapability, 'op')
 
     def capabilities(self, irc, msg, args):

test/test_Channel.py

@@ -56,6 +56,9 @@ class ChannelTestCase(ChannelPluginTestCase, PluginDocumentation):
 
     def testCapabilities(self):
         self.assertNotError('channel capabilities')
+        self.assertNotError('channel setcapability -foo')
+        self.assertNotError('channel unsetcapability -foo')
+        self.assertError('channel unsetcapability -foo')
 
     def testUnban(self):
         self.assertError('unban foo!bar@baz')