Change log

version 3.2.5

2020-03-26

  • Check that the udunits2 library exists (with thanks to Gareth Jones).

  • Changed minimum cftime dependency to version 1.1.1.

version 3.2.4

2020-01-07

  • Use ctypes.util.find_library to get name of udunits2 library (with thanks to Lance Helsten)

version 3.2.3

2019-11-28

version 3.2.2

2019-09-16

  • Added _units_since_reftime attribute.

version 3.2.0

2019-09-12

  • Added _canonical_calendar attribute.

  • Improved testing in Unit.equivalent.

version 3.1.1

2019-08-02

  • Incremented version.

version 3.1.0

2019-08-02

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

version 3.0.0

2019-05-28

  • Python 2 support deprecated.

version 1.9

2019-02-14

  • Updated documentation to mention the isvalid attribute.

version 1.8

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

2018-08-23

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

version 1.6

2018-08-23

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

version 1.5

2017-02-24

  • Removed explicit dependency checks

  • brough in line with cf-python v1.5

Version 1.1.4

2016-02-17

  • Bug fix to setup.py

Version 1.1

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

2015-05-27

  • Initial release

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