avoid fragility: make sure POSIXLY_CORRECT is completely controlled
for the tests, and restored properly when done
diff --git a/Lib/test/test_getopt.py b/Lib/test/test_getopt.py
index da53593..9856a6a 100644
--- a/Lib/test/test_getopt.py
+++ b/Lib/test/test_getopt.py
@@ -16,6 +16,10 @@
else:
raise failure
+old_posixly_correct = os.environ.get("POSIXLY_CORRECT")
+if old_posixly_correct is not None:
+ del os.environ["POSIXLY_CORRECT"]
+
if verbose:
print 'Running tests on getopt.short_has_arg'
verify(getopt.short_has_arg('a', 'a:'))
@@ -124,7 +128,12 @@
opts, args = getopt.gnu_getopt(cmdline, 'ab:', ['alpha', 'beta='])
verify(opts == [('-a', '')])
verify(args == ['arg1', '-b', '1', '--alpha', '--beta=2'])
-del os.environ["POSIXLY_CORRECT"]
+
+
+if old_posixly_correct is None:
+ del os.environ["POSIXLY_CORRECT"]
+else:
+ os.environ["POSIXLY_CORRECT"] = old_posixly_correct
#------------------------------------------------------------------------------