Change log

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Version 3.3.7

2024-04-23

• Allow units to be defined by bytes (https://github.com/NCAS-CMS/cfunits/issues/54)

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Version 3.3.6

2023-05-03

• New method: Units.__dask_tokenization__ (https://github.com/NCAS-CMS/cfunits/issues/50)

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Version 3.3.5

2022-09-22

• Change default calendar from 'gregorian' to 'standard' (https://github.com/NCAS-CMS/cfunits/issues/45)

• Changed CF version to 1.10 (https://github.com/NCAS-CMS/cfunits/issues/47)

• Remove calls to deprecated distutils, using packaging instead

• New dependency: packaging>=20.0

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Version 3.3.4

2021-08-09

• Now supports the Windows operating system (https://github.com/NCAS-CMS/cfunits/issues/31)

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Version 3.3.3

2021-05-24

• Fixed error in setup.py that prevented installation via pip.

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Version 3.3.2

2021-05-21

• Refactor to remove the dependency on cftime.utime, that was removed at cftime version 1.5.0 (https://github.com/NCAS-CMS/cfunits/issues/25)

• Changed dependency: cftime>=1.5.0

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Version 3.3.1

2020-11-27

• Make invalid units non-equivalent and non-equal (https://github.com/NCAS-CMS/cfunits/issues/19)

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Version 3.3.0

2020-10-09

• Python 3.5 support deprecated (3.5 was retired on 2020-09-13)

• Make Units('') and Units() equivalent (but still not equal).

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Version 3.2.9

2020-07-24

• New attribute: cfunits.Units.has_offset

• cftime.Units.reftime now always returns a cftime.datetime object.

• Fixed bug that caused failure when hashing reference time units.

• Changed dependency: cftime>=1.2.1

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Version 3.2.8

2020-07-02

• Fixed bug that caused failure when an int or float was input to cfunits.Units.conform (https://github.com/NCAS-CMS/cfunits/issues/9).

• Allowed list and tuple to be input to cfunits.Units.conform (https://github.com/NCAS-CMS/cfunits/issues/9).

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Version 3.2.7

2020-05-20

• Minor changes to allow for cftime==1.1.3

• Changed dependency: cftime>=1.1.3

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Version 3.2.6

2020-04-27

• Fixed bug that caused a KeyError: '1r' exception, due to an incorrect format statement.

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Version 3.2.5

2020-03-26

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

• Changed dependency: cftime>=1.1.1

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Version 3.2.4

2020-01-07

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

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Version 3.2.3

2019-11-28

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

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Version 3.2.2

2019-09-16

• Added _units_since_reftime attribute.

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Version 3.2.0

2019-09-12

• Added _canonical_calendar attribute.

• Improved testing in Unit.equivalent.

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Version 3.1.1

2019-08-02

• Incremented version.

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Version 3.1.0

2019-08-02

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

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Version 3.0.0

2019-05-28

• Python 2 support deprecated.

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Version 1.9

2019-02-14

• Updated documentation to mention the isvalid attribute.

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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.

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Version 1.7

2018-08-23

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

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Version 1.6

2018-08-23

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

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Version 1.5

2017-02-24

• Removed explicit dependency checks

• brought in line with cf-python v1.5

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Version 1.1.4

2016-02-17

• Bug fix to setup.py

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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

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Version 1.0

2015-05-27

• Initial release

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