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from __future__ import annotations
from typing import TYPE_CHECKING, Any, NoReturn
from narwhals._ibis.utils import native_to_narwhals_dtype
from narwhals.dependencies import get_ibis
if TYPE_CHECKING:
from types import ModuleType
from typing_extensions import Self
from narwhals._utils import Version
from narwhals.dtypes import DType
class IbisInterchangeSeries:
def __init__(self, df: Any, version: Version) -> None:
self._native_series = df
self._version = version
def __narwhals_series__(self) -> Self:
return self
def __native_namespace__(self) -> ModuleType:
return get_ibis()
@property
def dtype(self) -> DType:
return native_to_narwhals_dtype(
self._native_series.schema().types[0], self._version
)
def __getattr__(self, attr: str) -> NoReturn:
msg = (
f"Attribute {attr} is not supported for interchange-level dataframes.\n\n"
"If you would like to see this kind of object better supported in "
"Narwhals, please open a feature request "
"at https://github.com/narwhals-dev/narwhals/issues."
)
raise NotImplementedError(msg)
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