From c95cb269a6f0cb57c1204c29bec30d40e41eb2ef Mon Sep 17 00:00:00 2001 From: Ralph Bean Date: Thu, 2 Feb 2017 12:19:00 -0500 Subject: [PATCH] Handle /etc/resolv.conf --- DNS/Base.py | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/DNS/Base.py b/DNS/Base.py index 4a70613..b5d97c8 100644 --- a/DNS/Base.py +++ b/DNS/Base.py @@ -11,7 +11,7 @@ Changes for Python3 port © 2011-14 Scott Kitterman Base functionality. Request and Response classes, that sort of thing. """ -import socket, string, types, time, select +import socket, string, types, time, select, warnings import errno from . import Type,Class,Opcode import asyncore @@ -50,8 +50,12 @@ defaults= { 'protocol':'udp', 'port':53, 'opcode':Opcode.QUERY, def ParseResolvConf(resolv_path="/etc/resolv.conf"): "parses the /etc/resolv.conf file and sets defaults for name servers" - with open(resolv_path, 'r') as stream: - return ParseResolvConfFromIterable(stream) + try: + with open(resolv_path, 'r') as stream: + return ParseResolvConfFromIterable(stream) + except FileNotFoundError as e: + warnings.warn(e) + return def ParseResolvConfFromIterable(lines): "parses a resolv.conf formatted stream and sets defaults for name servers" -- 2.9.3