31 lines
1.0 KiB
Python
31 lines
1.0 KiB
Python
from __future__ import annotations
|
|
|
|
from typing import TYPE_CHECKING
|
|
|
|
from narwhals._arrow.expr import ArrowExpr
|
|
from narwhals._compliant import CompliantSelector
|
|
from narwhals._compliant import EagerSelectorNamespace
|
|
|
|
if TYPE_CHECKING:
|
|
from narwhals._arrow.dataframe import ArrowDataFrame # noqa: F401
|
|
from narwhals._arrow.series import ArrowSeries # noqa: F401
|
|
|
|
|
|
class ArrowSelectorNamespace(EagerSelectorNamespace["ArrowDataFrame", "ArrowSeries"]):
|
|
@property
|
|
def _selector(self) -> type[ArrowSelector]:
|
|
return ArrowSelector
|
|
|
|
|
|
class ArrowSelector(CompliantSelector["ArrowDataFrame", "ArrowSeries"], ArrowExpr): # type: ignore[misc]
|
|
def _to_expr(self) -> ArrowExpr:
|
|
return ArrowExpr(
|
|
self._call,
|
|
depth=self._depth,
|
|
function_name=self._function_name,
|
|
evaluate_output_names=self._evaluate_output_names,
|
|
alias_output_names=self._alias_output_names,
|
|
backend_version=self._backend_version,
|
|
version=self._version,
|
|
)
|