Support REDIS_PASSWORD setting in settings.

rq/scripts/__init__.py

@@ -27,13 +27,18 @@ def setup_default_arguments(args, settings):
     """ Sets up args from settings or defaults """
     if args.host is None:
         args.host = settings.get('REDIS_HOST', 'localhost')
+
     if args.port is None:
         args.port = int(settings.get('REDIS_PORT', 6379))
     else:
         args.port = int(args.port)
+
     if args.db is None:
         args.db = settings.get('REDIS_DB', 0)
 
+    if args.password is None:
+        args.password = settings.get('REDIS_PASSWORD', None)
+
 
 def setup_redis(args):
     redis_conn = redis.Redis(host=args.host, port=args.port, db=args.db,