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Add index and columns as properties to Styler #1135

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Merged
merged 4 commits into from
Mar 3, 2025
Merged

Add index and columns as properties to Styler #1135

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b865fee
add index and columns as properties in Styler
Rishab260 Mar 1, 2025
4aa7e72
add test for index and columns - added in previous commit
Rishab260 Mar 1, 2025
edb440d
fix imports
Rishab260 Mar 1, 2025
19b67d5
precommit manual run
Rishab260 Mar 2, 2025
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5 changes: 5 additions & 0 deletions pandas-stubs/io/formats/style.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ from matplotlib.colors import Colormap
import numpy as np
from pandas.core.frame import DataFrame
from pandas.core.series import Series
from pandas import Index

from pandas._typing import (
Axis,
Expand Down Expand Up @@ -52,6 +53,10 @@ class _DataFrameFunc(Protocol):
) -> npt.NDArray | DataFrame: ...

class Styler(StylerRenderer):
@property
def columns(self) -> Index[Any]: ...
@property
def index(self) -> Index[Any]: ...
def __init__(
self,
data: DataFrame | Series,
Expand Down
7 changes: 7 additions & 0 deletions tests/test_styler.py
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Expand Up @@ -14,6 +14,7 @@
from pandas import (
DataFrame,
Series,
Index
)
from pandas._testing import ensure_clean
import pytest
Expand Down Expand Up @@ -224,3 +225,9 @@ def test_subset() -> None:
check(assert_type(DF.style.highlight_min(subset=IndexSlice[1:2]), Styler), Styler)
check(assert_type(DF.style.highlight_min(subset=[1]), Styler), Styler)
check(assert_type(DF.style.highlight_min(subset=DF.columns[1:]), Styler), Styler)


def test_styler_columns_and_index() -> None:
styler = DF.style
check(assert_type(styler.columns, Index), Index)
check(assert_type(styler.index, Index), Index)
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