DriverTrac/venv/lib/python3.12/site-packages/narwhals/_arrow/selectors.py

27 lines
882 B
Python

from __future__ import annotations
from typing import TYPE_CHECKING
from narwhals._arrow.expr import ArrowExpr
from narwhals._compliant import CompliantSelector, 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,
evaluate_output_names=self._evaluate_output_names,
alias_output_names=self._alias_output_names,
version=self._version,
)