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Handle 0-dim arrays being passed to ordinal converter #1300

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Handle 0-dim arrays being passed to ordinal converter #1300

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5 changes: 4 additions & 1 deletion climada/hazard/xarray.py
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,10 @@ def _date_to_ordinal_accessor(array: xr.DataArray, strict: bool = True) -> np.nd
return _strict_positive_int_accessor(array)

# Try transforming to ordinals
return np.array(u_dt.datetime64_to_ordinal(array.to_numpy()))
arr = array.to_numpy()
if arr.ndim == 0:
arr = np.array([arr])
return np.array(u_dt.datetime64_to_ordinal(arr))

# Handle access errors
except (ValueError, TypeError, AttributeError) as err:
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