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BUG: overriden methods of subclasses of Styler are not called during … #52865

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BUG: overriden methods of subclasses of Styler are not called during … #52865

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BUG: overriden methods of subclasses of Styler are not called during …
YifanChao Apr 23, 2023
be68cdb
Update style.py
YifanChao Apr 23, 2023
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11 changes: 5 additions & 6 deletions pandas/io/formats/style.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1554,7 +1554,8 @@ def _update_ctx_header(self, attrs: DataFrame, axis: AxisInt) -> None:
else:
self.ctx_columns[(j, i)].extend(css_list)

def _copy(self, deepcopy: bool = False) -> Styler:

def _copy(cls, self, deepcopy: bool = False) -> Styler:
"""
Copies a Styler, allowing for deepcopy or shallow copy

Expand All @@ -1579,9 +1580,7 @@ def _copy(self, deepcopy: bool = False) -> Styler:

"""
# GH 40675
styler = Styler(
self.data, # populates attributes 'data', 'columns', 'index' as shallow
)
styler = cls(self.data)
shallow = [ # simple string or boolean immutables
"hide_index_",
"hide_columns_",
Expand Down Expand Up @@ -1624,10 +1623,10 @@ def _copy(self, deepcopy: bool = False) -> Styler:
return styler

def __copy__(self) -> Styler:
return self._copy(deepcopy=False)
return self._copy(self.__class__, deepcopy=False)

def __deepcopy__(self, memo) -> Styler:
return self._copy(deepcopy=True)
return self._copy(self.__class__, deepcopy=True)

def clear(self) -> None:
"""
Expand Down