from typing import Sequence
import pandas as pd
from pandas.api import types as pdt
from visions.relations import IdentityRelation, InferenceRelation, TypeRelation
from visions.types.type import VisionsBaseType
from visions.utils.coercion import test_utils
def to_datetime(series: pd.Series) -> pd.Series:
return pd.to_datetime(series)
def _get_relations(cls) -> Sequence[TypeRelation]:
from visions.types import Generic, String
relations = [
IdentityRelation(cls, Generic),
InferenceRelation(
cls,
String,
relationship=test_utils.coercion_test(
to_datetime, [OverflowError, TypeError]
),
transformer=to_datetime,
),
]
return relations
[docs]class DateTime(VisionsBaseType):
"""**Datetime** implementation of :class:`visions.types.type.VisionsBaseType`.
Examples:
>>> x = pd.Series([pd.datetime(2017, 3, 5), pd.datetime(2019, 12, 4)])
>>> x in visions.DateTime
True
"""
@classmethod
def get_relations(cls) -> Sequence[TypeRelation]:
return _get_relations(cls)
@classmethod
def contains_op(cls, series: pd.Series) -> bool:
return pdt.is_datetime64_any_dtype(series)