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Commit080b6b5

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Keep compatibility for subclasses overriding __finalize__ for concat/merge (pandas-dev#63394)
1 parent7b51d3a commit080b6b5

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2 files changed

+9
-4
lines changed

2 files changed

+9
-4
lines changed

‎pandas/core/reshape/concat.py‎

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -598,7 +598,7 @@ def _get_result(
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result=sample._constructor_from_mgr(mgr,axes=mgr.axes)
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result._name=name
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returnresult.__finalize__(
601-
types.SimpleNamespace(input_objs=objs),method="concat"
601+
types.SimpleNamespace(input_objs=objs,objs=objs),method="concat"
602602
)
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# combine as columns in a frame
@@ -620,7 +620,7 @@ def _get_result(
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df=cons(data,index=index,copy=False)
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df.columns=columns
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returndf.__finalize__(
623-
types.SimpleNamespace(input_objs=objs),method="concat"
623+
types.SimpleNamespace(input_objs=objs,objs=objs),method="concat"
624624
)
625625

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# combine block managers
@@ -660,7 +660,9 @@ def _get_result(
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)
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662662
out=sample._constructor_from_mgr(new_data,axes=new_data.axes)
663-
returnout.__finalize__(types.SimpleNamespace(input_objs=objs),method="concat")
663+
returnout.__finalize__(
664+
types.SimpleNamespace(input_objs=objs,objs=objs),method="concat"
665+
)
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defnew_axes(

‎pandas/core/reshape/merge.py‎

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1150,7 +1150,10 @@ def get_result(self) -> DataFrame:
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self._maybe_restore_index_levels(result)
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11521152
returnresult.__finalize__(
1153-
types.SimpleNamespace(input_objs=[self.left,self.right]),method="merge"
1153+
types.SimpleNamespace(
1154+
input_objs=[self.left,self.right],left=self.left,right=self.right
1155+
),
1156+
method="merge",
11541157
)
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@final

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