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Fix NamedArray html repr crashing #9553

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merged 3 commits into from
Sep 27, 2024
Merged

Fix NamedArray html repr crashing #9553

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750c970
Fix namedarray repr crashing
Illviljan Sep 27, 2024
9e35d1d
fix mypy
Illviljan Sep 27, 2024
188f59e
lets try a different dtype
Illviljan Sep 27, 2024
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2 changes: 1 addition & 1 deletion xarray/core/formatting.py
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Original file line number Diff line number Diff line change
Expand Up @@ -303,7 +303,7 @@ def inline_variable_array_repr(var, max_width):
"""Build a one-line summary of a variable's data."""
if hasattr(var._data, "_repr_inline_"):
return var._data._repr_inline_(max_width)
if var._in_memory:
if getattr(var, "_in_memory", False):
return format_array_flat(var, max_width)
dask_array_type = array_type("dask")
if isinstance(var._data, dask_array_type):
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12 changes: 12 additions & 0 deletions xarray/tests/test_namedarray.py
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Original file line number Diff line number Diff line change
Expand Up @@ -591,3 +591,15 @@ def test_broadcast_to_errors(
def test_warn_on_repeated_dimension_names(self) -> None:
with pytest.warns(UserWarning, match="Duplicate dimension names"):
NamedArray(("x", "x"), np.arange(4).reshape(2, 2))


def test_repr() -> None:
x: NamedArray[Any, np.dtype[np.uint64]]
x = NamedArray(("x",), np.array([0], dtype=np.uint64))

# Reprs should not crash:
r = x.__repr__()
x._repr_html_()

# Basic comparison:
assert r == "<xarray.NamedArray (x: 1)> Size: 8B\narray([0], dtype=uint64)"
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