From 85778d3817a4b383cb97a7ca8e5f0b2cc54ffa64 Mon Sep 17 00:00:00 2001
From: "watanabe.fumitaka" <watanabe.fumitaka@nttcom.co.jp>
Date: Tue, 10 Sep 2013 11:28:46 +0900
Subject: [PATCH] rest_firewall: remove of an unnecessary comma of json
 response

Signed-off-by: WATANABE Fumitaka <watanabe.fumitaka@nttcom.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/app/rest_firewall.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ryu/app/rest_firewall.py b/ryu/app/rest_firewall.py
index 1ca6cad4..13de0ac1 100644
--- a/ryu/app/rest_firewall.py
+++ b/ryu/app/rest_firewall.py
@@ -802,7 +802,8 @@ class Firewall(object):
                 vid = match.get(REST_DL_VLAN, VLANID_NONE)
                 rule_id = Firewall._cookie_to_ruleid(cookie)
                 delete_ids.setdefault(vid, '')
-                delete_ids[vid] += '%d,' % rule_id
+                delete_ids[vid] += (('%d' if delete_ids[vid] == ''
+                                     else ',%d') % rule_id)
 
             msg = []
             for vid, rule_ids in delete_ids.items():