From 503147f17e51c986ea4059f7f74f2f48582693a5 Mon Sep 17 00:00:00 2001
From: Jon Renner <rennerjc@gmail.com>
Date: Tue, 3 Dec 2013 10:27:20 +0800
Subject: [PATCH] handle non-int port arguments gracefully

---
 glances/glances.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/glances/glances.py b/glances/glances.py
index 28443763..93b444c0 100644
--- a/glances/glances.py
+++ b/glances/glances.py
@@ -4473,6 +4473,11 @@ def main():
                 sys.exit(2)
             server_ip = arg
         elif opt in ("-p", "--port"):
+            try:
+                port_number = int(arg)
+            except:
+                print("invalid port number argument: %s" % arg)
+                sys.exit(2)
             server_port = arg
         elif opt in ("-o", "--output"):
             if arg.lower() == "html":