Source code for statham.schema.elements.null
from typing import Any, List
from statham.schema.elements.base import Element
from statham.schema.constants import Maybe, NotPassed
from statham.schema.validation import InstanceOf
[docs]class Null(Element[None]):
"""JSON Schema ``"null"`` element."""
def __init__(
self,
*,
default: Maybe[None] = NotPassed(),
const: Maybe[Any] = NotPassed(),
enum: Maybe[List[Any]] = NotPassed(),
description: Maybe[str] = NotPassed(),
):
self.default = default
self.const = const
self.enum = enum
self.description = description
@property
def annotation(self) -> str:
return "None"
@property
def type_validator(self):
return InstanceOf(type(None))