Aniketsy commented on code in PR #2593:
URL: https://github.com/apache/iceberg-python/pull/2593#discussion_r2449345723
##########
pyiceberg/expressions/__init__.py:
##########
@@ -341,21 +343,27 @@ def __getnewargs__(self) -> Tuple[BooleanExpression,
BooleanExpression]:
return (self.left, self.right)
-class Not(BooleanExpression):
+class Not(IcebergBaseModel, BooleanExpression):
"""NOT operation expression - logical negation."""
child: BooleanExpression
- def __new__(cls, child: BooleanExpression) -> BooleanExpression: # type:
ignore
+ @model_validator(mode="before")
+ def _before(cls, values: Any) -> Any:
+ if isinstance(values, BooleanExpression):
+ return {"child": values}
+ return values
+
+ @model_validator(mode="after")
+ def _normalize(cls, model: Any) -> Any:
+ child = model.child
if child is AlwaysTrue():
return AlwaysFalse()
elif child is AlwaysFalse():
return AlwaysTrue()
elif isinstance(child, Not):
return child.child
- obj = super().__new__(cls)
- obj.child = child
- return obj
+ return model
Review Comment:
sure, i'll update and test it
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