Source code for visions.types.object

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
from visions.utils.series_utils import series_not_empty, series_not_sparse


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

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


pandas_has_string_dtype_flag = hasattr(pdt, "is_string_dtype")


[docs]class Object(VisionsBaseType): """**Object** implementation of :class:`visions.types.type.VisionsBaseType`. Examples: >>> x = pd.Series(['a', 1, np.nan]) >>> x in visions.Object True """ @classmethod def get_relations(cls) -> Sequence[TypeRelation]: return _get_relations(cls) @classmethod @series_not_sparse @series_not_empty def contains_op(cls, series: pd.Series, state: dict) -> bool: is_object = pdt.is_object_dtype(series) if is_object: ret = True elif pandas_has_string_dtype_flag: ret = pdt.is_string_dtype(series) and not pdt.is_categorical_dtype(series) else: ret = False return ret