added --slur and --race arguments to slur module

modules/slur.py

@@ -5,6 +5,7 @@ All data comes from http://www.rsdb.org/.
 """
 import random
 import sqlite3
+import argparse
 
 from module import commands
 
@@ -28,12 +29,22 @@ def slur(bot, trigger):
 	"""
 	Prints a random racial slur from the Racial Slurs Database.
 
-	[RACE]  -  specifies a particular race to pick on.
+	-r, --race  -  specifies a particular race to pick on.
+	-s, --slur  -  specifies a particular slur to pick.
 	"""
-	if trigger.group(2):
+	parser = argparse.ArgumentParser()
+	parser.add_argument("-r", "--race", type=str)
+	parser.add_argument("-s", "--slur", type=str)
+	args = parser.parse_args(trigger.group[3:])
+
+	if args.race:
 		slur = bot.db.execute(
 			"SELECT * FROM `slur` WHERE `race` = ? COLLATE NOCASE " \
-			+ "ORDER BY RANDOM() LIMIT 1", (trigger.group(2),)).fetchone()
+			+ "ORDER BY RANDOM() LIMIT 1", (args.race,)).fetchone()
+	elif args.slur:
+		slur = bot.db.execute(
+			"SELECT * FROM `slur` WHERE `slur` LIKE ? COLLATE NOCASE " \
+			+ "LIMIT 1", (f"%{args.slur}%",)).fetchone()
 	else:
 		slur = bot.db.execute(
 			"SELECT * FROM `slur` ORDER BY RANDOM() LIMIT 1").fetchone()