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from __future__ import annotations
from typing import TYPE_CHECKING
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
from litestar import Litestar, post
from litestar.dto import dto_field
from litestar.plugins.sqlalchemy import SQLAlchemySerializationPlugin
if TYPE_CHECKING:
from typing import List
class Base(DeclarativeBase): ...
class TodoItem(Base):
__tablename__ = "todo_item"
title: Mapped[str] = mapped_column(primary_key=True)
done: Mapped[bool]
super_secret_value: Mapped[str] = mapped_column(info=dto_field("private"))
@post("/")
async def add_item(data: TodoItem) -> List[TodoItem]:
data.super_secret_value = "This is a secret"
return [data]
app = Litestar(route_handlers=[add_item], plugins=[SQLAlchemySerializationPlugin()])
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