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Merged
merged 5 commits into from
Mar 4, 2025
Merged

type dataframe.transpose #1136

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6189b5c
type transpose
MarcoGorelli Mar 2, 2025
7572894
remove undocumented methods, use *args: Any instead of undocumented axes
MarcoGorelli Mar 4, 2025
7ab7570
Merge branch 'main' into type-transpose
MarcoGorelli Mar 4, 2025
d7f5c46
Merge remote-tracking branch 'upstream/main' into type-transpose
MarcoGorelli Mar 4, 2025
1b8f4d9
Merge branch 'type-transpose' of github.com:MarcoGorelli/pandas-stubs…
MarcoGorelli Mar 4, 2025
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1 change: 0 additions & 1 deletion pandas-stubs/core/arrays/sparse/array.pyi
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Expand Up @@ -53,7 +53,6 @@ class SparseArray(ExtensionArray, ExtensionOpsMixin):
def sum(self, axis: int = ..., *args, **kwargs): ...
def cumsum(self, axis: int = ..., *args, **kwargs): ...
def mean(self, axis: int = ..., *args, **kwargs): ...
def transpose(self, *axes): ...
@property
def T(self): ...
def __array_ufunc__(self, ufunc, method, *inputs, **kwargs): ...
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1 change: 0 additions & 1 deletion pandas-stubs/core/base.pyi
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Expand Up @@ -44,7 +44,6 @@ class SelectionMixin(Generic[NDFrameT]):

class IndexOpsMixin(OpsMixin, Generic[S1]):
__array_priority__: int = ...
def transpose(self, *args, **kwargs) -> Self: ...
@property
def T(self) -> Self: ...
@property
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2 changes: 1 addition & 1 deletion pandas-stubs/core/frame.pyi
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Expand Up @@ -656,7 +656,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
show_counts: bool | None = ...,
) -> None: ...
def memory_usage(self, index: _bool = ..., deep: _bool = ...) -> Series: ...
def transpose(self, *args, copy: _bool = ...) -> Self: ...
def transpose(self, *args: Any, copy: _bool = ...) -> Self: ...
@property
def T(self) -> Self: ...
def __getattr__(self, name: str) -> Series: ...
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1 change: 0 additions & 1 deletion pandas-stubs/core/series.pyi
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Expand Up @@ -1535,7 +1535,6 @@ class Series(IndexOpsMixin[S1], NDFrame):
bins: int | None = ...,
dropna: _bool = ...,
) -> Series[float]: ...
def transpose(self, *args, **kwargs) -> Series[S1]: ...
@property
def T(self) -> Self: ...
# The rest of these were left over from the old
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7 changes: 7 additions & 0 deletions tests/test_frame.py
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Expand Up @@ -4005,6 +4005,13 @@ def test_hashable_args() -> None:
class GeoAccessor: ...


def test_transpose() -> None:
df = pd.DataFrame({"a": [1, 1, 2], "b": [4, 5, 6]})
check(assert_type(df.transpose(), pd.DataFrame), pd.DataFrame)
check(assert_type(df.transpose(None), pd.DataFrame), pd.DataFrame)
check(assert_type(df.transpose(copy=True), pd.DataFrame), pd.DataFrame)


def test_combine() -> None:
df1 = pd.DataFrame({"A": [0, 0], "B": [4, 4]})
df2 = pd.DataFrame({"A": [1, 1], "B": [3, 3]})
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