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Add copy keyword to to_dataframe #10345

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Add copy keyword to to_dataframe #10345

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1bfa1c4
Add copy keyword to to_dataframe
rabernat May 21, 2025
c112ae0
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] May 21, 2025
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3 changes: 2 additions & 1 deletion xarray/core/dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7066,7 +7066,7 @@ def to_pandas(self) -> pd.Series | pd.DataFrame:
"Please use Dataset.to_dataframe() instead."
)

def _to_dataframe(self, ordered_dims: Mapping[Any, int]):
def _to_dataframe(self, ordered_dims: Mapping[Any, int], copy: bool = True):
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Seems like it needs to be added to the to_dataframe method

from xarray.core.extension_array import PandasExtensionArray

columns_in_order = [k for k in self.variables if k not in self.dims]
Expand Down Expand Up @@ -7104,6 +7104,7 @@ def _to_dataframe(self, ordered_dims: Mapping[Any, int]):
},
},
index=index,
copy=copy,
)
for extension_array_column in extension_array_columns_different_index:
extension_array = self.variables[extension_array_column].data
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