From 6bf2e84b8cebc4c53bf44343ed4e9b88aa73e34d Mon Sep 17 00:00:00 2001 From: Mike Pagano Date: Fri, 16 Aug 2013 14:40:56 -0400 Subject: diffconfig: Gracefully exit if the default config files are not present Handle gracefully the instance where config files are not present. Compatible with python versions 2.5, 2.6 and 2.7. The try/except is forward compatible with python version 3 once the entire script is ported. Signed-off-by: Mike Pagano Signed-off-by: Michal Marek --- scripts/diffconfig | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/scripts/diffconfig b/scripts/diffconfig index b91f3e3..0ee6583 100755 --- a/scripts/diffconfig +++ b/scripts/diffconfig @@ -94,8 +94,13 @@ def main(): configa_filename = sys.argv[1] configb_filename = sys.argv[2] - a = readconfig(file(configa_filename)) - b = readconfig(file(configb_filename)) + try: + a = readconfig(file(configa_filename)) + b = readconfig(file(configb_filename)) + except (IOError): + e = sys.exc_info()[1] + print("I/O error[%s]: %s\n" % (e.args[0],e.args[1])) + usage() # print items in a but not b (accumulate, sort and print) old = [] -- cgit v1.1