What’s new

0.2 (May 10 2021)

• rewrite Dataset.pint.quantify() and DataArray.pint.quantify(), to use pint’s UnitRegistry.parse_units instead of UnitRegistry.parse_expression (PR40) By Tom Nicholas.

• ensure the variables which causes the error is explicit if an error occurs in Dataset.pint.quantify() and other methods (PR43, PR91) By Tom Nicholas and Justus Magin.

• refactor the internal conversion functions (PR56) By Justus Magin.

• allow converting indexes (except pandas.MultiIndex) (PR56) By Justus Magin.

• document the reason for requiring the force_ndarray_like or force_ndarray options on unit registries (PR59) By Justus Magin.

• allow passing a format string to Dataset.pint.dequantify() and DataArray.pint.dequantify() (PR49) By Justus Magin.

• allow converting all data variables in a Dataset to the same units using Dataset.pint.to() (GH45, PR63). By Mika Pflüger.

• update format of examples in docstrings (PR64). By Mika Pflüger.

• implement Dataset.pint.sel() and DataArray.pint.sel() (PR60). By Justus Magin.

• implement Dataset.pint.loc and DataArray.pint.loc (PR79). By Justus Magin.

• implement Dataset.pint.drop_sel() and DataArray.pint.drop_sel() (PR73). By Justus Magin.

• implement Dataset.pint.chunk() and DataArray.pint.chunk() (PR83). By Justus Magin.

• implement Dataset.pint.reindex(), Dataset.pint.reindex_like(), DataArray.pint.reindex() and DataArray.pint.reindex_like() (PR69). By Justus Magin.

• implement Dataset.pint.interp(), Dataset.pint.interp_like(), DataArray.pint.interp() and DataArray.pint.interp_like() (PR72, PR76, PR97). By Justus Magin.

• implement Dataset.pint.ffill(), Dataset.pint.bfill(), DataArray.pint.ffill() and DataArray.pint.bfill() (PR78). By Justus Magin.

• implement Dataset.pint.interpolate_na() and DataArray.pint.interpolate_na() (PR82). By Justus Magin.

• expose pint_xarray.setup_registry() as public API (PR89) By Justus Magin.

v0.1 (October 26 2020)

• add initial draft of documentation (PR13, PR20)

• implement DataArray.pint.to() and Dataset.pint.to() (PR11)

• rewrite DataArray.pint.quantify(), Dataset.pint.quantify(), DataArray.pint.dequantify() and Dataset.pint.dequantify() (PR17)

• expose pint_xarray.testing.assert_units_equal() as public API (PR24)

• fix the DataArray.pint.units, DataArray.pint.magnitude and DataArray.pint.dimensionality properties and add docstrings for all three. (PR31)

• use pint’s application registry as a module-global registry (PR32)