# This file was auto-generated by Fern from our API Definition.

from ..core.pydantic_utilities import UniversalBaseModel
import typing
from .value import Value
from .filter_operator import FilterOperator
from ..core.pydantic_utilities import IS_PYDANTIC_V2
import pydantic


class MetadataFilter(UniversalBaseModel):
    """
    Comprehensive metadata filter for vector stores to support more operators.

    Value uses Strict* types, as int, float and str are compatible types and were all
    converted to string before.

    See: https://docs.pydantic.dev/latest/usage/types/#strict-types
    """

    key: str
    value: typing.Optional[Value] = None
    operator: typing.Optional[FilterOperator] = None

    if IS_PYDANTIC_V2:
        model_config: typing.ClassVar[pydantic.ConfigDict] = pydantic.ConfigDict(extra="allow", frozen=True)  # type: ignore # Pydantic v2
    else:

        class Config:
            frozen = True
            smart_union = True
            extra = pydantic.Extra.allow
