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 <mpagano@xxxxxxxxxx>
---
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 = []
--
1.8.1.5
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