travis.yml: Fix tests runner for Python 2.

.travis.yml

@@ -12,4 +12,4 @@ install:
 script:
   - echo $TRAVIS_PYTHON_VERSION
   - python setup.py install
-  - supybot-test test --plugins-dir=./build/lib/supybot/plugins/ --no-network --disable-multiprocessing
+  - supybot-test test --plugins-dir=./build/lib*/supybot/plugins/ --no-network --disable-multiprocessing

plugins/Karma/plugin.py

@@ -262,7 +262,7 @@ class Karma(callbacks.Plugin):
 
     def invalidCommand(self, irc, msg, tokens):
         channel = msg.args[0]
-        if not irc.isChannel(channel):
+        if not irc.isChannel(channel) or not tokens:
             return
         if tokens[-1][-2:] in ('++', '--'):
             thing = ' '.join(tokens)

plugins/Misc/plugin.py

@@ -88,6 +88,7 @@ class Misc(callbacks.Plugin):
     def invalidCommand(self, irc, msg, tokens):
         assert not msg.repliedTo, 'repliedTo msg in Misc.invalidCommand.'
         assert self is irc.callbacks[-1], 'Misc isn\'t last callback.'
+        assert msg.command in ('PRIVMSG', 'NOTICE')
         self.log.debug('Misc.invalidCommand called (tokens %s)', tokens)
         # First, we check for invalidCommand floods.  This is rightfully done
         # here since this will be the last invalidCommand called, and thus it
@@ -125,7 +126,9 @@ class Misc(callbacks.Plugin):
             banmasker = conf.supybot.protocols.irc.banmask.makeBanmask
             self.invalidCommands.enqueue(msg)
             if self.invalidCommands.len(msg) > maximum and \
-               not ircdb.checkCapability(msg.prefix, 'owner'):
+               not ircdb.checkCapability(msg.prefix, 'owner') and \
+               msg.prefix != irc.prefix and \
+               ircutils.isUserHostmask(msg.prefix):
                 penalty = conf.supybot.abuse.flood.command.invalid.punishment()
                 banmask = banmasker(msg.prefix, channel=None)
                 self.log.info('Ignoring %s for %s seconds due to an apparent '