Source code for visions.types.categorical

from typing import Sequence

import pandas as pd
from pandas.api import types as pdt

from visions.relations import IdentityRelation, TypeRelation
from visions.types.type import VisionsBaseType


def _get_relations(cls) -> Sequence[TypeRelation]:
    from visions.types import Generic

    relations = [IdentityRelation(cls, Generic)]
    return relations


[docs]class Categorical(VisionsBaseType): """**Categorical** implementation of :class:`visions.types.type.VisionsBaseType`. Examples: >>> x = pd.Series([True, False, 1], dtype='category') >>> x in visions.Categorical True """ @classmethod def get_relations(cls) -> Sequence[TypeRelation]: return _get_relations(cls) @classmethod def contains_op(cls, series: pd.Series, state: dict) -> bool: return pdt.is_categorical_dtype(series)