Filter: catch invalid input for unbinary command.

Signed-off-by: James McCoy <jamessan@users.sourceforge.net>

plugins/Filter/plugin.py

@@ -162,8 +162,11 @@ class Filter(callbacks.Plugin):
         Returns the character representation of binary <text>.
         Assumes ASCII, 8 digits per character.
         """
+        try:
             L = [chr(int(text[i:(i+8)], 2)) for i in xrange(0, len(text), 8)]
             irc.reply(''.join(L))
+        except ValueError:
+            irc.errorInvalid('binary string', text)
     unbinary = wrap(unbinary, ['text'])
 
     def hexlify(self, irc, msg, args, text):

plugins/Filter/test.py

@@ -89,6 +89,7 @@ class FilterTest(ChannelPluginTestCase):
 
     def testUnbinary(self):
         self.assertResponse('unbinary 011011010110111101101111', 'moo')
+        self.assertError('unbinary moo')
 
     def testRot13(self):
         for s in map(str, range(1000, 1010)):