chatExcel

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)