samredai commented on code in PR #4767:
URL: https://github.com/apache/iceberg/pull/4767#discussion_r873993464
##########
python/src/iceberg/types.py:
##########
@@ -209,25 +192,24 @@ class StructType(IcebergType):
'struct<1: required_field: optional string, 2: optional_field:
optional int>'
"""
- _instances: Dict[Tuple[NestedField, ...], "StructType"] = {}
+ fields: List[NestedField] = field()
+
+ _instances: ClassVar[Dict[Tuple[NestedField, ...], "StructType"]] = {}
- def __new__(cls, *fields: NestedField):
+ def __new__(cls, *fields: NestedField, **kwargs):
+ if "fields" in kwargs:
+ fields = kwargs["fields"]
cls._instances[fields] = cls._instances.get(fields) or
object.__new__(cls)
return cls._instances[fields]
- def __init__(self, *fields: NestedField):
- if not self._initialized:
- super().__init__(
- f"struct<{', '.join(map(str, fields))}>",
- f"StructType{repr(fields)}",
- )
- self._fields = fields
-
- @property
- def fields(self) -> Tuple[NestedField, ...]:
- return self._fields
+ def __init__(self, *fields: NestedField, **kwargs):
+ if "fields" in kwargs:
+ fields = kwargs["fields"]
+ object.__setattr__(self, "fields", fields)
Review Comment:
Ah I see, makes sense!
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