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diffconfig: Gracefully exit if the default config files are not present

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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@gentoo.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Mike Pagano
2013-08-16 14:40:56 -04:00
committed by Michal Marek
parent 11097a0367
commit 6bf2e84b8c
1 changed files with 7 additions and 2 deletions
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9
scripts/diffconfig
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@@ -94,8 +94,13 @@ def main():
configa_filename = sys.argv[1] configa_filename = sys.argv[1]
configb_filename = sys.argv[2] configb_filename = sys.argv[2]
a = readconfig(file(configa_filename)) try:
b = readconfig(file(configb_filename)) 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) # print items in a but not b (accumulate, sort and print)
old = [] old = []