Added clear command.

plugins/Karma.py

@@ -186,6 +186,14 @@ class SqliteKarmaDB(object):
         cursor = db.cursor()
         cursor.execute(sql)
         return [(name, int(i)) for (name, i) in cursor.fetchall()]
+
+    def clear(self, channel, name):
+        db = self._getDb(channel)
+        cursor = db.cursor()
+        normalized = name.lower()
+        cursor.execute("""UPDATE karma SET subtracted=0, added=0
+                          WHERE normalized=%s""", normalized)
+        db.commit()
     
 
 def KarmaDB():
@@ -276,6 +284,15 @@ class Karma(callbacks.PrivmsgCommandAndRegexp):
         except (KeyError, ValueError):
             raise callbacks.ArgumentError
 
+    def clear(self, irc, msg, args, channel):
+        """[<channel>] <name>
+
+        Resets the karma of <name> to 0.
+        """
+        name = privmsgs.getArgs(args)
+        self.db.clear(channel, name)
+    clear = privmsgs.checkChannelCapability(clear, 'op')
+
     def increaseKarma(self, irc, msg, match):
         r"^(\S+)\+\+(|\s+)$"
         channel = msg.args[0]

test/test_Karma.py

@@ -179,6 +179,14 @@ if sqlite is not None:
         def testIncreaseKarmaWithNickNotCallingInvalidCommand(self):
             self.assertSnarfNoResponse('%s: foo++' % self.irc.nick, 3)
 
+        def testClear(self):
+            self.assertNoResponse('foo++', 1)
+            self.assertRegexp('karma foo', '1')
+            self.assertNotError('karma clear foo')
+            self.assertRegexp('karma foo', '0')
+            self.assertNotRegexp('karma foo', '1')
+            
+
 
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