Source code for forml.io.dsl.function._datetime
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Date and time manipulation functions.
.. spelling:word-list:: Datetime
from .._struct import kind as kindmod
from .._struct import series
"""Extract the year from given date/time instance.
value: Date/time feature to extract the *year* value from.
dsl.GrammarError: If ``value`` is not a valid date/time.
>>> ETL = Student.select(function.Year(Student.birthday))
value: series.Operable = property(operator.itemgetter(0))
kind: kindmod.Any = kindmod.Integer()
def __new__(cls, value: series.Operable):
return super().__new__(cls, value)