Change log

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version 3.2.3

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2019-11-28

• Fixed a bug that rased an exception for units specified by non-strings (https://github.com/NCAS-CMS/cfunits/issues/1).

version 3.2.2

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2019-09-16

• Added _units_since_reftime attribute.

version 3.2.0

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2019-09-12

• Added _canonical_calendar attribute.
• Improved testing in Unit.equivalent.

version 3.1.1

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2019-08-02

• Incremented version.

version 3.1.0

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2019-08-02

• Added reason_notvalid attribute, and improved handling of invalid calendars.

version 3.0.0

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2019-05-28

• Python 2 support deprecated.

version 1.9

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2019-02-14

• Updated documentation to mention the isvalid attribute.

version 1.8

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2018-09-13

• Trap “ValueError: negative reference year in time units, must be >= 1” so that a Units object is returned that has isvalid=False.
• Added “message” attribute that reports on why bad units are bad. Is “None” if units are OK.

version 1.7

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2018-08-23

• Python 3 compatibility (with many thanks to Eric Hutton)

version 1.6

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2018-08-23

• Bad units now do not raise an exception, but may be checked with the “isvalid” atttribute.

version 1.5

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2017-02-24

• Removed explicit dependency checks
• brough in line with cf-python v1.5

Version 1.1.4

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2016-02-17

• Bug fix to setup.py

Version 1.1

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2015-10-28

• Bug fix to Units.conform for scalar numpy arrays.
• Removed support for netCDF4-python versions < 1.1.1
• Same as cf/units.py in cf-python version 1.1

version 1.0

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2015-05-27

• Initial release
• Same as cf/units.py in cf-python version 1.0