diff options
| -rw-r--r-- | quarg/actions.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/quarg/actions.py b/quarg/actions.py index 9361ac2..70cde03 100644 --- a/quarg/actions.py +++ b/quarg/actions.py @@ -13,7 +13,9 @@ class ParseEnum(argparse.Action, metaclass=ABCMeta): def __call__(self, parser, namespace, value, option_string=None): key = value.upper() if key not in self.enumclass.__members__: - errx(f'Not a valid {self.enumclass.describe()}: {value}') + possible = ', '.join([e.name.lower() for e in self.enumclass]) + desc = self.enumclass.describe() + errx(f'Not a valid {desc}: {value}\nPossible {desc}s are: {possible}') saved = getattr(namespace, self.dest) or [] saved.append(self.enumclass[key]) |