cfunits.Units.reason_notvalid¶
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Units.
reason_notvalid
()¶ The reason for invalid units.
If the units are valid then the reason is an empty string.
See also
Examples:
>>> u = Units('km') >>> u.isvalid True >>> u.reason_notvalid ''
>>> u = Units('Bad Units') >>> u.isvalid False >>> u.reason_notvalid "Invalid units: 'Bad Units'; Not recognised by UDUNITS"
>>> u = Units(days since 2000-1-1', calendar='Bad Calendar') >>> u.isvalid False >>> u.reason_notvalid "Invalid calendar='Bad Calendar'; calendar must be one of ['standard', 'gregorian', 'proleptic_gregorian', 'noleap', 'julian', 'all_leap', '365_day', '366_day', '360_day'], got 'bad calendar'"