42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
from __future__ import annotations
|
|
|
|
from typing import TYPE_CHECKING
|
|
from typing import Any
|
|
from typing import NoReturn
|
|
|
|
from narwhals._ibis.dataframe 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.dtypes import DType
|
|
from narwhals.utils import Version
|
|
|
|
|
|
class IbisInterchangeSeries:
|
|
def __init__(self: Self, df: Any, version: Version) -> None:
|
|
self._native_series = df
|
|
self._version = version
|
|
|
|
def __narwhals_series__(self: Self) -> Self:
|
|
return self
|
|
|
|
def __native_namespace__(self: Self) -> ModuleType:
|
|
return get_ibis()
|
|
|
|
@property
|
|
def dtype(self: Self) -> DType:
|
|
return native_to_narwhals_dtype(self._native_series.type(), self._version)
|
|
|
|
def __getattr__(self: Self, attr: str) -> NoReturn:
|
|
msg = (
|
|
f"Attribute {attr} is not supported for metadata-only 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)
|