from fastapi import FastAPI
from pydantic import BaseModel


class Item(BaseModel):
    name: str
    description: Optional[str] = None


app = FastAPI()


@app.post("/items/")
def create_item(item: Item):
    return item


@app.get("/items/")
def read_items() -> list[Item]:
    return [
        Item(
            name="Portal Gun",

from pydantic import BaseModel


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


app = FastAPI()


@app.post("/items/")
async def create_item(item: Item):
    item_dict = item.model_dump()
    if item.tax is not None:
        price_with_tax = item.price + item.tax
        item_dict.update({"price_with_tax": price_with_tax})

        final SuggestItem item = new SuggestItem();
        item.text = text;
        item.readings = readings.toArray(new String[readings.size()][]);
        item.fields = fields.toArray(new String[fields.size()]);
        item.docFreq = docFreq;
        item.queryFreq = queryFreq;
        item.userBoost = userBoost;
        item.tags = tags.toArray(new String[tags.size()]);

from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: Optional[str] = None


class ExtendedItem(Item):
    age: int


@app.post("/items/")
def save_union_different_body(item: Union[ExtendedItem, Item]):
    return {"item": item}


client = TestClient(app)


def test_post_extended_item():

                    "summary": "Update Item",
                    "operationId": "update_item_items__item_id__put",
                    "parameters": [
                        {
                            "name": "item_id",
                            "in": "path",
                            "required": True,
                            "schema": {"type": "integer", "title": "Item Id"},
                        }

    }

    /**
     * Checks if the item has been updated.
     *
     * @return true if the item has been updated, false otherwise.
     */
    public boolean isUpdated() {
        return newInput != null && newOutput != null;
    }

    /**
     * Checks if the item has been marked for deletion.
     *
     * @return true if the item is marked for deletion, false otherwise.
     */

      assertEquals(
          "the hash of " + item + " must be consistent",
          equivalence.hash(item),
          equivalence.hash(item));
    }
  }

      assertEquals(
          "the hash of " + item + " must be consistent",
          equivalence.hash(item),
          equivalence.hash(item));
    }
  }

constraints.URL.message = {item} एक मान्य URL नहीं है।
constraints.Required.message = {item} आवश्यक है।
constraints.TypeInteger.message = {item} एक संख्या होनी चाहिए।
constraints.TypeLong.message = {item} एक संख्या होनी चाहिए।
constraints.TypeFloat.message = {item} एक संख्या होनी चाहिए।
constraints.TypeDouble.message = {item} एक संख्या होनी चाहिए।
constraints.TypeAny.message = {item} को {propertyType} में परिवर्तित नहीं किया जा सकता।

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: list = []


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item):
    results = {"item_id": item_id, "item": item}