cf.Data.has_calendar

Data.has_calendar()

Whether a calendar has been set.

See also

del_calendar, get_calendar, set_calendar, has_units

Returns

bool

True if the calendar has been set, otherwise False.

Examples:

>>> d.set_calendar('360_day')
>>> d.has_calendar()
True 
>>> d.get_calendar()
'360_day'
>>> d.del_calendar()
>>> d.has_calendar()
False
>>> d.get_calendar()
ValueError: Can't get non-existent calendar
>>> print(d.get_calendar(None))
None
>>> print(d.del_calendar(None))
None