Source code for visions.types.uuid

from typing import Any, Sequence

from multimethod import multimethod

from visions.relations import IdentityRelation, InferenceRelation, TypeRelation
from visions.types.object import Object
from visions.types.string import String
from visions.types.type import VisionsBaseType


class UUID(VisionsBaseType):
    """**UUID** implementation of :class:`visions.types.type.VisionsBaseType`.

    References:
        UUID specification in RFC4122:
        https://tools.ietf.org/html/rfc4122#section-3

        Python standard library:
        https://docs.python.org/3/library/uuid.html

    Examples:
        >>> import uuid
        >>> import visions
        >>> uuids = ['0b8a22ca-80ad-4df5-85ac-fa49c44b7ede', 'aaa381d6-8442-4f63-88c8-7c900e9a23c6']
        >>> x = [uuid.UUID(uuid_str) for uuid_str in uuids]
        >>> x in visions.UUID
        True
    """

    @staticmethod
    def get_relations() -> Sequence[TypeRelation]:
        relations = [
            IdentityRelation(Object),
            InferenceRelation(String),
        ]
        return relations

    @staticmethod
    @multimethod
    def contains_op(item: Any, state: dict) -> bool:
        pass