Dice: break out the !roll handler

modules/Dice.py

@@ -264,15 +264,28 @@ class Dice(Module):
         global output
         return output
 
+    def do_roll(self, dicestr):
+        """
+        Roll some dice and get the result (with broken out rolls).
+
+        Keyword arguments:
+        dicestr - format:
+        N#X/YdS+M label
+            N#: do the following roll N times (optional)
+            X/: take the top X rolls of the Y times rolled (optional)
+            Y : roll the die specified Y times (optional, defaults to 1)
+            dS: roll a S-sided die
+            +M: add M to the result (-M for subtraction) (optional)
+        """
+        self.build()
+        yacc.parse(dicestr)
+        return self.get_result()
+
     def do(self, connection, event, nick, userhost, what, admin_unlocked):
         match = re.search('!roll\s+(.*)$', what)
         if match:
             dicestr = match.group(1)
-            self.build()
-            yacc.parse(dicestr)
-            reply = self.get_result()
-            if reply is not "":
-                return self.reply(connection, event, nick + ': ' + reply)
+            return self.reply(connection, event, nick + ": " + self.do_roll(dicestr))
 
         match = re.search('!ctech\s+(.*)$', what)
         if match: