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-rw-r--r--python/vyos/utils/io.py12
1 files changed, 8 insertions, 4 deletions
diff --git a/python/vyos/utils/io.py b/python/vyos/utils/io.py
index 0afaf695c..7e6045291 100644
--- a/python/vyos/utils/io.py
+++ b/python/vyos/utils/io.py
@@ -13,7 +13,7 @@
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
-from typing import Callable
+from typing import Callable, Optional
def print_error(str='', end='\n'):
"""
@@ -81,7 +81,8 @@ def is_dumb_terminal():
return os.getenv('TERM') in ['vt100', 'dumb']
def select_entry(l: list, list_msg: str = '', prompt_msg: str = '',
- list_format: Callable = None,) -> str:
+ list_format: Optional[Callable] = None,
+ default_entry: Optional[int] = None) -> str:
"""Select an entry from a list
Args:
@@ -99,6 +100,9 @@ def select_entry(l: list, list_msg: str = '', prompt_msg: str = '',
print(f'\t{i}: {list_format(e)}')
else:
print(f'\t{i}: {e}')
- select = ask_input(prompt_msg, numeric_only=True,
- valid_responses=range(1, len(l)+1))
+ valid_entry = range(1, len(l)+1)
+ if default_entry and default_entry not in valid_entry:
+ default_entry = None
+ select = ask_input(prompt_msg, default=default_entry, numeric_only=True,
+ valid_responses=valid_entry)
return next(filter(lambda x: x[0] == select, en))[1]