class _AvoidOption(_Option):
+ def __init__(self, *args, **kwargs):
+ kwargs["dest"] = "avoids"
+ super().__init__(*args, **kwargs)
+
def __call__(self, parser, namespace, value, option=None):
if not hasattr(namespace, self.dest):
- setattr(namespace, self.dest, list())
- value = set(getattr(namespace, self.dest) | {value})
+ setattr(namespace, self.dest, set())
+ value = (getattr(namespace, self.dest) | set(value))
super().__call__(parser, namespace, value, option)