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-rw-r--r--python/samba/getopt.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/python/samba/getopt.py b/python/samba/getopt.py
index 4e70998d9d9..76bee5e9b7f 100644
--- a/python/samba/getopt.py
+++ b/python/samba/getopt.py
@@ -67,7 +67,10 @@ class SambaOptions(optparse.OptionGroup):
self._configfile = arg
def _set_debuglevel(self, option, opt_str, arg, parser):
- self._lp.set('debug level', arg)
+ try:
+ self._lp.set('debug level', arg)
+ except RuntimeError:
+ raise OptionError(f"invalid -d/--debug value: '{arg}'")
parser.values.debuglevel = arg
def _set_realm(self, option, opt_str, arg, parser):