From e557dd651b9c4c9aaac27588e7a5a789e0713e73 Mon Sep 17 00:00:00 2001
From: Baptiste Jonglez <baptiste--git@jonglez.org>
Date: Tue, 28 Jan 2014 15:45:03 +0100
Subject: [PATCH] Catch possible exceptions thrown by the ASN DNS resolver

---
 lg.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lg.py b/lg.py
index c39aa22..5b2b93c 100644
--- a/lg.py
+++ b/lg.py
@@ -48,7 +48,10 @@ app.logger.addHandler(file_handler)
 
 def get_asn_from_as(n):
     asn_zone = app.config.get("ASN_ZONE", "asn.cymru.com")
-    data = resolve("AS%s.%s" % (n, asn_zone) ,"TXT").replace("'","").replace('"','')
+    try:
+        data = resolve("AS%s.%s" % (n, asn_zone) ,"TXT").replace("'","").replace('"','')
+    except:
+        return " "*5
     return [ field.strip() for field in data.split("|") ]