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BUG: fix styler cell_ids arg so that blank style is ignored on False #35588

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Aug 7, 2020
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1 change: 1 addition & 0 deletions doc/source/whatsnew/v1.1.1.rst
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ Fixed regressions
Bug fixes
~~~~~~~~~

- Bug in ``Styler`` whereby `cell_ids` argument had no effect due to other recent changes (:issue:`35588`).

Categorical
^^^^^^^^^^^
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2 changes: 1 addition & 1 deletion pandas/io/formats/style.py
Original file line number Diff line number Diff line change
Expand Up @@ -390,7 +390,7 @@ def format_attr(pair):
"is_visible": (c not in hidden_columns),
}
# only add an id if the cell has a style
if self.cell_ids or not (len(ctx[r, c]) == 1 and ctx[r, c][0] == ""):
if self.cell_ids or (r, c) in ctx:
row_dict["id"] = "_".join(cs[1:])
row_es.append(row_dict)
props = []
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6 changes: 6 additions & 0 deletions pandas/tests/io/formats/test_style.py
Original file line number Diff line number Diff line change
Expand Up @@ -1682,6 +1682,12 @@ def f(a, b, styler):
result = styler.pipe((f, "styler"), a=1, b=2)
assert result == (1, 2, styler)

def test_no_cell_ids(self):
# GH 35588
df = pd.DataFrame(data=[[0]])
s = Styler(df, uuid="_", cell_ids=False).render()
assert s.find('<td class="data row0 col0" >') != -1


@td.skip_if_no_mpl
class TestStylerMatplotlibDep:
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