added --list to .slur

modules/slur.py

@@ -31,13 +31,23 @@ def slur(bot, trigger):
 
 	-r, --race  -  specifies a particular race to pick on.
 	-s, --slur  -  specifies a particular slur to pick.
+	-l, --list  -  prints a list of available races.
 	"""
 	parser = argparse.ArgumentParser()
-	parser.add_argument("-r", "--race", type=str)
+	parser.add_argument("-r", "--race", type=str, nargs='+')
 	parser.add_argument("-s", "--slur", type=str)
+	parser.add_argument("-l", "--list", action="store_true")
 	args = parser.parse_args(trigger.group[3:])
 
+	if args.list:
+		races = bot.db.execute("SELECT DISTINCT race FROM slur").fetchall()
+		races = [race[0] for race in races]
+		races.sort()
+		bot.msg(", ".join(races))
+		return
+
 	if args.race:
+		args.race = " ".join(args.race)
 		slur = bot.db.execute(
 			"SELECT * FROM `slur` WHERE `race` = ? COLLATE NOCASE " \
 			+ "ORDER BY RANDOM() LIMIT 1", (args.race,)).fetchone()