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BUGFIX: escape quotechar when escapechar is not None (even if quoting=csv.QUOTE_NONE) #61514

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Merged
merged 4 commits into from
May 30, 2025
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BUGFIX: escape quotechar when escapechar is not None (even if quoting=csv.QUOTE_NONE) #61514

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initialize quotechar when self.escapechar is not None even if self.qu…
KevsterAmp May 29, 2025
75f5761
add test
KevsterAmp May 29, 2025
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add to whatsnew
KevsterAmp May 29, 2025
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KevsterAmp May 29, 2025
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initialize quotechar when self.escapechar is not None even if self.qu… 
…oting is csv.QUOTENONE
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@KevsterAmp
KevsterAmp committed May 29, 2025
commit ec79ab72db55267f8c45985cf4aee01f212138a0
4 changes: 2 additions & 2 deletions pandas/io/formats/csvs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -90,9 +90,9 @@ def __init__(
self.index_label = self._initialize_index_label(index_label)
self.errors = errors
self.quoting = quoting or csvlib.QUOTE_MINIMAL
self.quotechar = self._initialize_quotechar(quotechar)
self.doublequote = doublequote
self.escapechar = escapechar
self.quotechar = self._initialize_quotechar(quotechar)
self.lineterminator = lineterminator or os.linesep
self.date_format = date_format
self.cols = self._initialize_columns(cols)
Expand Down Expand Up @@ -141,7 +141,7 @@ def _get_index_label_flat(self) -> Sequence[Hashable]:
return [""] if index_label is None else [index_label]

def _initialize_quotechar(self, quotechar: str | None) -> str | None:
if self.quoting != csvlib.QUOTE_NONE:
if self.quoting != csvlib.QUOTE_NONE or self.escapechar is not None:
# prevents crash in _csv
return quotechar
return None
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