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BUG: no label render in Styler.to_latex if caption and "longtable" #43399

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Merged
merged 3 commits into from
Sep 4, 2021
Merged

BUG: no label render in Styler.to_latex if caption and "longtable" #43399

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bfd7ef6
longtable label allowed even when caption is None
attack68 Sep 4, 2021
28950e7
longtable label allowed even when caption is None
attack68 Sep 4, 2021
61533d7
longtable label allowed even when caption is None
attack68 Sep 4, 2021
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5 changes: 5 additions & 0 deletions pandas/io/formats/templates/latex_longtable.tpl
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,11 @@
{%- if label is not none %}
\label{{label}}
{%- endif %} \\
{% else %}
{%- set label = parse_table(table_styles, 'label') %}
{%- if label is not none %}
\label{{label}} \\
{% endif %}
{% endif %}
{% set toprule = parse_table(table_styles, 'toprule') %}
{% if toprule is not none %}
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7 changes: 4 additions & 3 deletions pandas/tests/io/formats/style/test_to_latex.py
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Expand Up @@ -109,10 +109,11 @@ def test_position(styler):
assert "\\end{table}" in styler.to_latex()


def test_label(styler):
assert "\\label{text}" in styler.to_latex(label="text")
@pytest.mark.parametrize("env", [None, "longtable"])
def test_label(styler, env):
assert "\n\\label{text}" in styler.to_latex(label="text", environment=env)
styler.set_table_styles([{"selector": "label", "props": ":{more §text}"}])
assert "\\label{more :text}" in styler.to_latex()
assert "\n\\label{more :text}" in styler.to_latex(environment=env)


def test_position_float_raises(styler):
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