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-rw-r--r--python/vyos/utils/io.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/python/vyos/utils/io.py b/python/vyos/utils/io.py
index 7e6045291..a8c430f28 100644
--- a/python/vyos/utils/io.py
+++ b/python/vyos/utils/io.py
@@ -27,7 +27,7 @@ def print_error(str='', end='\n'):
sys.stderr.flush()
def ask_input(question, default='', numeric_only=False, valid_responses=[],
- no_echo=False):
+ no_echo=False, non_empty=False):
from getpass import getpass
question_out = question
if default:
@@ -48,6 +48,9 @@ def ask_input(question, default='', numeric_only=False, valid_responses=[],
if valid_responses and response not in valid_responses:
print("Invalid value, try again.")
continue
+ if non_empty and not response:
+ print("Non-empty value required; try again.")
+ continue
break
return response