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Fix hv.help if Info.store is None #6250

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May 30, 2024
Merged

Fix hv.help if Info.store is None #6250

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2 changes: 1 addition & 1 deletion holoviews/core/options.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1253,7 +1253,7 @@ def info(cls, obj, ansi=True, backend='matplotlib', visualization=True,
parameterized_class = (isinstance(obj,type)
and issubclass(obj,param.Parameterized))
info = None
if parameterized_object or parameterized_class:
if InfoPrinter.store and (parameterized_object or parameterized_class):
info = InfoPrinter.info(obj, ansi=ansi, backend=backend,
visualization=visualization,
pattern=pattern, elements=elements)
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12 changes: 12 additions & 0 deletions holoviews/tests/util/test_help.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,3 +9,15 @@ def test_help_pattern(capsys):
hv.help(hv.Curve, pattern='border')
captured = capsys.readouterr()
assert '\x1b[43;1;30mborder\x1b[0m' in captured.out


@pytest.mark.usefixtures("bokeh_backend")
def test_help_pattern_no_ipython(capsys):
info_store = hv.core.pprint.InfoPrinter.store
try:
hv.core.pprint.InfoPrinter.store = None
hv.help(hv.Curve)
captured = capsys.readouterr()
assert captured.out.startswith('Help on class Curve')
finally:
hv.core.pprint.InfoPrinter.store = info_store
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