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GH987 Add limit_area parameter in ffill and bfill methods #1028

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Merged
merged 4 commits into from
Nov 11, 2024
Merged

GH987 Add limit_area parameter in ffill and bfill methods #1028

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8186dfd
add limit_area parameter in ffill and bfill methods
hyperc54 Nov 9, 2024
1897e2f
add limit_area parameter to Series bfill and ffill methods
hyperc54 Nov 11, 2024
e745777
add limit_area parameter to Series bfill and ffill methods
hyperc54 Nov 11, 2024
f7d565e
remove irrelevant definition of series bfill
hyperc54 Nov 11, 2024
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4 changes: 4 additions & 0 deletions pandas-stubs/core/frame.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -1656,6 +1656,7 @@ class DataFrame(NDFrame, OpsMixin):
axis: Axis | None = ...,
inplace: Literal[True],
limit: int | None = ...,
limit_area: Literal["inside", "outside"] | None = ...,
downcast: dict | None = ...,
) -> None: ...
@overload
Expand All @@ -1665,6 +1666,7 @@ class DataFrame(NDFrame, OpsMixin):
axis: Axis | None = ...,
inplace: Literal[False] = ...,
limit: int | None = ...,
limit_area: Literal["inside", "outside"] | None = ...,
downcast: dict | None = ...,
) -> DataFrame: ...
def clip(
Expand Down Expand Up @@ -1736,6 +1738,7 @@ class DataFrame(NDFrame, OpsMixin):
axis: Axis | None = ...,
inplace: Literal[True],
limit: int | None = ...,
limit_area: Literal["inside", "outside"] | None = ...,
downcast: dict | None = ...,
) -> None: ...
@overload
Expand All @@ -1745,6 +1748,7 @@ class DataFrame(NDFrame, OpsMixin):
axis: Axis | None = ...,
inplace: Literal[False] = ...,
limit: int | None = ...,
limit_area: Literal["inside", "outside"] | None = ...,
downcast: dict | None = ...,
) -> DataFrame: ...
def filter(
Expand Down
10 changes: 10 additions & 0 deletions tests/test_frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2328,15 +2328,25 @@ def test_types_ffill() -> None:
df = pd.DataFrame([[1, 2, 3]])
check(assert_type(df.ffill(), pd.DataFrame), pd.DataFrame)
check(assert_type(df.ffill(inplace=False), pd.DataFrame), pd.DataFrame)
check(
assert_type(df.ffill(inplace=False, limit_area="inside"), pd.DataFrame),
pd.DataFrame,
)
assert assert_type(df.ffill(inplace=True), None) is None
assert assert_type(df.ffill(inplace=True, limit_area="outside"), None) is None


def test_types_bfill() -> None:
# GH 44
df = pd.DataFrame([[1, 2, 3]])
check(assert_type(df.bfill(), pd.DataFrame), pd.DataFrame)
check(assert_type(df.bfill(inplace=False), pd.DataFrame), pd.DataFrame)
check(
assert_type(df.bfill(inplace=False, limit_area="inside"), pd.DataFrame),
pd.DataFrame,
)
assert assert_type(df.bfill(inplace=True), None) is None
assert assert_type(df.bfill(inplace=True, limit_area="outside"), None) is None


def test_types_replace() -> None:
Expand Down
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